1 2021-09-02 Martin Sebor <msebor@redhat.com>
3 PR tree-optimization/17506
5 * tree-ssa-uninit.c (warn_uninit): Remove conditional guarding note.
7 2021-09-02 Richard Biener <rguenther@suse.de>
9 * tree-ssa-loop-im.c (fill_always_executed_in_1): Refine
10 fix for PR78185 and continue processing when leaving
13 2021-09-02 Jakub Jelinek <jakub@redhat.com>
15 PR tree-optimization/99591
16 * match.pd: Demote operands of IFN_{ADD,SUB,MUL}_OVERFLOW if they
19 2021-09-02 Richard Biener <rguenther@suse.de>
22 2021-09-02 Richard Biener <rguenther@suse.de>
24 PR tree-optimization/102155
25 * tree-ssa-loop-im.c (fill_always_executed_in_1): Iterate
26 over a part of the RPO array and do not recurse here.
27 Dump blocks marked as always executed.
28 (fill_always_executed_in): Walk over the RPO array and
29 process loops whose header we run into.
30 (loop_invariant_motion_in_fun): Compute the first RPO
31 using rev_post_order_and_mark_dfs_back_seme in iteration
32 order and pass that to fill_always_executed_in.
34 2021-09-02 liuhongt <hongtao.liu@intel.com>
36 * config/i386/i386-modes.def (FLOAT_MODE): Define ieee HFmode.
37 * config/i386/i386.c (enum x86_64_reg_class): Add
39 (merge_classes): Handle X86_64_SSEHF_CLASS.
40 (examine_argument): Ditto.
41 (construct_container): Ditto.
42 (classify_argument): Ditto, and set HFmode/HCmode to
44 (function_value_32): Return _FLoat16/Complex Float16 by
46 (function_value_64): Return _Float16/Complex Float16 by SSE
48 (ix86_print_operand): Handle CONST_DOUBLE HFmode.
49 (ix86_secondary_reload): Require gpr as intermediate register
50 to store _Float16 from sse register when sse4 is not
52 (ix86_libgcc_floating_mode_supported_p): Enable _FLoat16 under
54 (ix86_scalar_mode_supported_p): Ditto.
55 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Defined.
56 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add HFmode.
57 (VALID_INT_MODE_P): Add HFmode and HCmode.
58 * config/i386/i386.md (*pushhf_rex64): New define_insn.
60 (*movhf_internal): Ditto.
61 * doc/extend.texi (Half-Precision Floating Point): Documemt
64 2021-09-02 Richard Biener <rguenther@suse.de>
66 PR tree-optimization/102155
67 * tree-ssa-loop-im.c (fill_always_executed_in_1): Iterate
68 over a part of the RPO array and do not recurse here.
69 Dump blocks marked as always executed.
70 (fill_always_executed_in): Walk over the RPO array and
71 process loops whose header we run into.
72 (loop_invariant_motion_in_fun): Compute the first RPO
73 using rev_post_order_and_mark_dfs_back_seme in iteration
74 order and pass that to fill_always_executed_in.
76 2021-09-02 YunQiang Su <syq@debian.org>
79 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
81 * config/mips/mips.c (mips_module_isa_name): New.
82 mips_file_start: add .module mipsREV to all asm output
84 2021-09-01 Jeff Law <jlaw@localhost.localdomain>
86 PR tree-optimization/102152
87 * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Reduce a vector
88 comparison to a scalar comparison before calling
89 update_stmt_if_modified.
91 2021-09-01 Andrew Pinski <apinski@marvell.com>
94 * config/aarch64/aarch64.c (aarch64_expand_setmem):
95 Check STRICT_ALIGNMENT before creating an overlapping
98 2021-09-01 Martin Sebor <msebor@redhat.com>
100 * gimple-ssa-warn-access.cc (get_size_range): Add argument.
101 (check_access): Pass additional argument.
102 (check_memop_access): Remove template and make a member function.
103 (maybe_check_dealloc_call): Make a pass_waccess member function.
104 (class pass_waccess): Add, rename, and remove members.
105 (pass_waccess::pass_waccess): Adjust to name change.
106 (pass_waccess::~pass_waccess): Same.
107 (check_alloca): Make a member function.
108 (check_alloc_size_call): Same.
109 (check_strcat): Same.
110 (check_strncat): Same.
111 (check_stxcpy): Same.
112 (check_stxncpy): Same.
113 (check_strncmp): Same.
114 (maybe_warn_rdwr_sizes): Rename...
115 (pass_waccess::maybe_check_access_sizes): ...to this.
116 (pass_waccess::check_call): Adjust to name changes.
117 (pass_waccess::maybe_check_dealloc_call): Make a pass_waccess member
119 (pass_waccess::execute): Adjust to name changes.
120 * gimple-ssa-warn-access.h (check_memop_access): Remove.
121 * pointer-query.cc (access_ref::phi): Handle null pointer.
122 (access_ref::inform_access): Same.
123 (pointer_query::put_ref): Modify a cached value, not a copy of it.
124 (pointer_query::dump): New function.
125 (compute_objsize_r): Avoid overwriting access_ref::bndrng. Cache
127 * pointer-query.h (pointer_query::dump): Declare.
128 * tree-ssa-strlen.c (get_range): Simplify. Use function query.
129 (dump_strlen_info): Use function query.
130 (printf_strlen_execute): Factor code out into pointer_query::put_ref.
132 2021-09-01 Thomas Schwinge <thomas@codesourcery.com>
134 * tree.c (walk_tree_1) <OMP_CLAUSE>: Simplify.
136 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
138 * doc/extend.texi: Document unavailable attribute.
139 * print-tree.c (print_node): Handle unavailable attribute.
140 * tree-core.h (struct tree_base): Add a bit to carry unavailability.
141 * tree.c (error_unavailable_use): New.
142 * tree.h (TREE_UNAVAILABLE): New.
143 (error_unavailable_use): New.
145 2021-09-01 Jakub Jelinek <jakub@redhat.com>
147 PR tree-optimization/102124
148 * tree-vect-patterns.c (vect_recog_widen_op_pattern): For ORIG_CODE
149 MINUS_EXPR, if itype is unsigned with smaller precision than type,
150 add an extra cast to signed variant of itype to ensure sign-extension.
152 2021-09-01 Martin Liska <mliska@suse.cz>
154 * graph.c (draw_cfg_node_succ_edges): Do not color fallthru
155 edges and rather use colors for TRUE and FALSE edges.
157 2021-09-01 Richard Biener <rguenther@suse.de>
159 PR tree-optimization/93491
160 * tree-ssa-pre.c (compute_avail): Set BB_MAY_NOTRETURN
161 after processing the stmt itself. Do not consider
162 pure functions possibly not returning. Properly avoid
163 adding possibly trapping calls to EXP_GEN when there's
164 a preceeding possibly not returning call.
165 * tree-ssa-sccvn.c (vn_reference_may_trap): Conservatively
168 2021-09-01 Richard Biener <rguenther@suse.de>
170 PR tree-optimization/102139
171 * tree-vectorizer.h (vec_base_alignments): Adjust hash-map
172 type to record a std::pair of the stmt-info and the innermost
174 (dr_vec_info::group): New member.
175 * tree-vect-data-refs.c (vect_record_base_alignment): Adjust.
176 (vect_compute_data_ref_alignment): Verify the recorded
177 base alignment can be used.
178 (data_ref_pair): Remove.
179 (dr_group_sort_cmp): Adjust.
180 (vect_analyze_data_ref_accesses): Store the group-ID in the
181 dr_vec_info and operate on a vector of dr_vec_infos.
183 2021-09-01 YunQiang Su <yunqiang.su@cipunited.com>
185 * read-md.c (md_reader::handle_enum): support value assignation.
186 * doc/md.texi: record define_c_enum value assignation support.
188 2021-09-01 Jakub Jelinek <jakub@redhat.com>
190 PR tree-optimization/102141
191 * gimple-ssa-store-merging.c (bswap_view_convert): Add BEFORE
192 argument. If false, emit stmts after gsi instead of before, and
194 (bswap_replace): Adjust callers. When converting output of bswap,
195 emit VIEW_CONVERT prepratation stmts after a copy of gsi instead
198 2021-09-01 liuhongt <hongtao.liu@intel.com>
200 * emit-rtl.c (validate_subreg): Get rid of all float-int
203 2021-09-01 liuhongt <hongtao.liu@intel.com>
206 2021-08-30 liuhongt <hongtao.liu@intel.com>
208 * expmed.c (extract_bit_field_1): Make sure we're playing with
209 integral modes before call extract_integral_bit_field.
210 (extract_integral_bit_field): Add a parameter of type
211 scalar_int_mode which corresponds to of tmode.
212 And call extract_and_convert_fixed_bit_field instead of
213 extract_fixed_bit_field and convert_extracted_bit_field.
214 (extract_and_convert_fixed_bit_field): New function, it's a
215 combination of extract_fixed_bit_field and
216 convert_extracted_bit_field.
218 2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
220 * tree.c (walk_tree_1) <OMP_CLAUSE_TILE>: Handle three operands.
222 2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
224 * omp-general.h (omp_is_reference): Rename to...
225 (omp_privatize_by_reference): ... this. Adjust all users...
226 * omp-general.c: ... here, ...
227 * gimplify.c: ... here, ...
228 * omp-expand.c: ... here, ...
229 * omp-low.c: ... here.
231 2021-08-31 Martin Sebor <msebor@redhat.com>
233 * gimple-ssa-warn-access.cc (maybe_warn_alloc_args_overflow): Test
234 pointer element for equality to zero, not that of the cotaining
237 2021-08-31 Martin Sebor <msebor@redhat.com>
239 * gcc-rich-location.h (gcc_rich_location): Make ctor explicit.
241 2021-08-31 Martin Sebor <msebor@redhat.com>
243 * function.h (function): Add comments.
244 (get_range_query): Same. Add attribute returns nonnull.
246 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
248 * expr.c (convert_modes): Don't use subreg_promoted_mode on a
249 SUBREG if it can't be guaranteed to a SUBREG_PROMOTED_VAR_P set.
250 Instead use the standard (safer) is_a <scalar_int_mode> idiom.
252 2021-08-31 Jeff Law <jlaw@localhost.localdomain>
254 * config.gcc (cris-*-elf, cris-*-none): Remove dbxelf.h from
256 (m32r-*-elf, m32rle-*-elf, m32r-*-linux): Likewise.
257 (mn10300-*-*, am33_2.0-*-linux*): Likewise.
258 (xtensa*-*-elf, xtensa*-*-linux, xtensa*-*-uclinux): Likewise.
259 (m32c-*-elf*, m32c-*-rtems*): Likewise.
260 * config/cris/cris.h (DBX_NO_XREFS): Remove.
261 (DBX_CONTIN_LENGTH, DBX_CONTIN_CHAR): Likewise.
262 * config/m32r/m32r.h (DBXOUT_SOURCE_LINE): Likewise.
263 (DBX_DEBUGGING_INFO, DBX_CONTIN_LENGTH): Likewise.
264 * config/mn10300/mn10300.h (DEFAULT_GDB_EXTENSIONS): Likewise.
265 * config/mn10300/linux.h (DBX_REGISTER_NAMES): Likewise.
267 2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
269 * gimplify.c (gimplify_scan_omp_clauses): Error handling. 'ancestor' only
270 allowed on target constructs and only with particular other clauses.
271 * omp-expand.c (expand_omp_target): Output of 'sorry, not supported' if
273 * omp-low.c (check_omp_nesting_restrictions): Error handling. No nested OpenMP
274 structs when 'ancestor' is used.
275 (scan_omp_1_stmt): No usage of OpenMP runtime routines in a target region when
277 * tree-pretty-print.c (dump_omp_clause): Append 'ancestor'.
278 * tree.h (OMP_CLAUSE_DEVICE_ANCESTOR): Define macro.
280 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
282 * expr.c (convert_modes): Preserve SUBREG_PROMOTED_VAR_P when
283 creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
285 * simplify-rtx.c (simplify_unary_operation_1) [SIGN_EXTEND]:
286 Likewise, preserve SUBREG_PROMOTED_VAR_P when creating a (wider)
287 partial subreg from a SUBREG_PROMOTED_VAR_P subreg. Generate
288 SIGN_EXTEND of the SUBREG_REG when a subreg would be paradoxical.
289 [ZERO_EXTEND]: Likewise, preserve SUBREG_PROMOTED_VAR_P when
290 creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
291 subreg. Generate ZERO_EXTEND of the SUBREG_REG when a subreg
292 would be paradoxical.
294 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
296 * combine.c (combine_simplify_rtx): Avoid converting an explicit
297 TRUNCATE into a lowpart SUBREG on !TRULY_NOOP_TRUNCATION targets.
298 * simplify-rtx.c (simplify_unary_operation_1): Likewise.
300 2021-08-31 Richard Biener <rguenther@suse.de>
302 PR tree-optimization/102142
303 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Fix
304 condition under which to unset the visited flag.
306 2021-08-31 Richard Biener <rguenther@suse.de>
309 * tree-ssa-ter.c (find_replaceable_in_bb): Do not move
310 possibly trapping expressions across calls.
312 2021-08-31 Jakub Jelinek <jakub@redhat.com>
314 PR tree-optimization/102134
315 * tree-ssa-ccp.c (bit_value_binop) <case RSHIFT_EXPR>: If sgn is
316 UNSIGNED and r1val | r1mask has MSB set, ensure lzcount doesn't
319 2021-08-31 Andrew Pinski <apinski@marvell.com>
322 * collect-utils.c (setup_signals): New declaration.
323 * collect-utils.h (setup_signals): New function.
324 * collect2.c (handler): Delete.
325 (main): Instead of manually setting up the signals,
326 just call setup_signals.
327 * lto-wrapper.c (main): Likewise.
329 2021-08-31 Andrew Pinski <apinski@marvell.com>
332 * config/i386/i386-protos.h (x86_output_aligned_bss):
333 Change align argument to unsigned type.
334 (x86_elf_aligned_decl_common): Likewise.
335 * config/i386/i386.c (x86_elf_aligned_decl_common): Likewise.
336 (x86_output_aligned_bss): Likewise.
338 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
340 * config/mips/mips.c (mips_module_isa_name): New.
341 mips_file_start: add .module mipsREV to all asm output
343 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
345 * config/mips/mips.h (struct mips_cpu_info): define enum mips_isa;
346 use enum instead of int for 'isa' member.
347 * config.gcc, config/mips/mips.c, config/mips/mips-cpus.def,
348 config/mips/netbsd.h: replace hardcoded numbers with enum.
350 2021-08-31 liuhongt <hongtao.liu@intel.com>
352 * config/i386/sse.md (*<avx512>_ucmp<mode>3_1): Change from
353 define_split to define_insn_and_split.
354 (*avx2_eq<mode>3): Removed.
355 (<avx512>_eq<mode>3<mask_scalar_merge_name>): Adjust pattern
356 (<avx512>_eq<mode>3<mask_scalar_merge_name>_1): Rename to ..
357 (*<avx512>_eq<mode>3<mask_scalar_merge_name>_1): .. this, and
359 (*avx2_gt<mode>3): Removed.
360 (<avx512>_gt<mode>3<mask_scalar_merge_name>): Change from
361 define_insn to define_expand, and adjust pattern.
362 (UNSPEC_MASKED_EQ, UNSPEC_MASKED_GT): Removed.
364 2021-08-30 David Malcolm <dmalcolm@redhat.com>
367 * Makefile.in (ANALYZER_OBJS): Add analyzer/call-info.o.
369 2021-08-30 Jason Merrill <jason@redhat.com>
371 * doc/invoke.texi: Document -Wmissing-requires.
373 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
375 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Remove
376 TARGET_EXTRA_BUILTINS guard.
378 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
380 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Change
381 initialization of V2DI_type_node and unsigned_V2DI_type_node.
383 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
385 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Use the new
386 decl when new_builtins_are_live.
387 * config/rs6000/rs6000-builtin-new.def (__builtin_cfstring): New
390 2021-08-30 Pat Haugen <pthaugen@linux.ibm.com>
392 * config/rs6000/rs6000-cpus.def (ISA_3_1_MASKS_SERVER): Add
393 OPTION_MASK_P10_FUSION_2STORE.
394 (POWERPC_MASKS): Likewise.
395 * config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
396 store fusion for Power10.
397 (is_fusable_store): New.
398 (power10_sched_reorder): Likewise.
399 (rs6000_sched_reorder): Do Power10 specific reordering.
400 (rs6000_sched_reorder2): Likewise.
401 * config/rs6000/rs6000.opt: Add new option.
403 2021-08-30 Richard Biener <rguenther@suse.de>
405 PR tree-optimization/102128
406 * tree-vect-slp.c (vect_bb_vectorization_profitable_p):
407 Move scanning for if-converted scalar code to the caller
408 and instead delay clearing the visited flag for profitable
410 (vect_slp_region): Cost all subgraphs before scheduling.
411 For if-converted BB vectorization scan for scalar COND_EXPRs
412 and do not vectorize if any found and the cost model is
415 2021-08-30 Richard Biener <rguenther@suse.de>
417 * common.opt (fexceptions): Mark
418 EnabledBy(fnon-call-exceptions).
419 * doc/invoke.texi (fnon-call-exceptions): Document this
420 enables -fexceptions.
422 2021-08-30 Sebastian Huber <sebastian.huber@embedded-brains.de>
424 * tsystem.h (abort): Define abort() if inhibit_libc is defined and it
425 is not already defined.
427 2021-08-30 liuhongt <hongtao.liu@intel.com>
429 * expmed.c (extract_bit_field_1): Make sure we're playing with
430 integral modes before call extract_integral_bit_field.
431 (extract_integral_bit_field): Add a parameter of type
432 scalar_int_mode which corresponds to of tmode.
433 And call extract_and_convert_fixed_bit_field instead of
434 extract_fixed_bit_field and convert_extracted_bit_field.
435 (extract_and_convert_fixed_bit_field): New function, it's a
436 combination of extract_fixed_bit_field and
437 convert_extracted_bit_field.
439 2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
441 * config/darwin.c (darwin_libc_has_function): Do not run
442 the checks for x86 or modern Darwin. Make sure that there
443 is a value set for darwin_macosx_version_min before testing.
445 2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
447 * config/i386/darwin.h (CLEAR_INSN_CACHE): New.
449 2021-08-28 Jan Hubicka <hubicka@ucw.cz>
451 * ipa-modref-tree.h (modref_access_node::merge): Break out
452 logic combining offsets and logic merging ranges to ...
453 (modref_access_node::combined_offsets): ... here
454 (modref_access_node::update2): ... here
455 (modref_access_node::closer_pair_p): New member function.
456 (modref_access_node::forced_merge): New member function.
457 (modre_ref_node::insert): Do merging when table is full.
459 2021-08-28 YunQiang Su <yunqiang.su@cipunited.com>
462 * config.gcc: MIPS: use N64 ABI by default if the triple end
463 with -gnuabi64, which is used by Debian since 2013.
465 2021-08-28 Alexandre Oliva <oliva@adacore.com>
467 * ipa-modref.c (analyze_function): Skip debug stmts.
468 * tree-inline.c (estimate_num_insn): Consider builtins even
469 without a cgraph_node.
471 2021-08-27 Jeff Law <jlaw@localhost.localdomain>
473 * config/h8300/bitfield.md (cstore<mode>4): Remove expander.
474 * config/h8300/h8300.c (h8300_expand_branch): Remove function.
475 * config/h8300/h8300-protos.h (h8300_expadn_branch): Remove prototype.
476 * config/h8300/h8300.md (eqne): New code iterator.
477 (geultu, geultu_to_c): Similarly.
478 * config/h8300/testcompare.md (cstore<mode>4): Dummy expander.
479 (store_c_<mode>, store_c_i_<mode>): New define_insn_and_splits
480 (cmp<mode>_c): New pattern
482 2021-08-27 Jeff Law <jlaw@localhost.localdomain>
484 * tree-ssa-dom.c (reduce_vector_comparison_to_scalar_comparison): New
486 (dom_opt_dom_walker::optimize_stmt): Use it.
488 2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
490 * config/darwin.c (finalize_ctors): Add a section-start linker-
492 (finalize_dtors): Likewise.
493 * config/darwin.h (MIN_LD64_INIT_TERM_START_LABELS): New.
495 2021-08-27 Bill Schmidt <wschmidt@linux.ibm.com>
497 * config/rs6000/rs6000-call.c (rs6000-builtins.h): New #include.
498 (rs6000_init_builtins): Call rs6000_init_generated_builtins. Skip the
499 old initialization logic when new builtins are enabled.
500 * config/rs6000/rs6000-gen-builtins.c (write_decls): Rename
501 rs6000_autoinit_builtins to rs6000_init_generated_builtins.
502 (write_init_file): Likewise.
504 2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
506 * configure.ac (darwin2[[0-9]]* | darwin19*): Alter use of
507 gcc_GAS_CHECK_FEATURE to remove an extraneous parameter.
508 (amdgcn-* | gcn-*) Likewise.
510 2021-08-27 Anthony Sharp <anthonysharp15@gmail.com>
512 * symbol-summary.h: Added missing template keyword.
514 2021-08-27 Richard Biener <rguenther@suse.de>
516 PR tree-optimization/45178
517 * tree-ssa-dce.c (find_obviously_necessary_stmts): For
518 infinite loops without exit do not mark control dependent
519 edges of the latch necessary.
521 2021-08-27 konglin1 <lingling.kong@intel.com>
524 * config/i386/sse.md: (<avx512>scattersi<mode>): Add mask operand to
526 (<avx512>scattersi<mode>): Likewise.
527 (*avx512f_scattersi<VI48F:mode>): Merge mask operand to set_dest.
528 (*avx512f_scatterdi<VI48F:mode>): Likewise
530 2021-08-27 Kewen Lin <linkw@linux.ibm.com>
532 * config/rs6000/rs6000.c (rs6000_builtin_md_vectorized_function): Add
533 support for built-in functions MISC_BUILTIN_DIVWE, MISC_BUILTIN_DIVWEU,
534 MISC_BUILTIN_DIVDE, MISC_BUILTIN_DIVDEU, P10_BUILTIN_CFUGED,
535 P10_BUILTIN_CNTLZDM, P10_BUILTIN_CNTTZDM, P10_BUILTIN_PDEPD and
536 P10_BUILTIN_PEXTD on Power10.
538 2021-08-27 Kewen Lin <linkw@linux.ibm.com>
540 * config/rs6000/rs6000-call.c (builtin_function_type): Add unsigned
541 signedness for some Power10 bifs.
543 2021-08-27 David Edelsohn <dje.gcc@gmail.com>
546 * config/rs6000/rs6000.c (rs6000_adjust_field_align): Use
547 computed alignment if the entire struct has attribute packed.
549 2021-08-27 liuhongt <hongtao.liu@intel.com>
553 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
554 IX86_BUILTIN_SHUFPD512, IX86_BUILTIN_SHUFPS512,
555 IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS,
556 IX86_BUILTIN_SHUFPS256.
557 (ix86_masked_all_ones): New function.
559 2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
561 * config/i386/i386.md (*btr<mode>_1): Call force_reg unconditionally.
562 (conditional moves with memory inputs splitters): Ditto.
563 * config/i386/sse.md (one_cmpl<mode>2): Simplify.
565 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
567 * ipa-modref-tree.h (modref_access_node::try_merge_with): Restart
568 search after merging.
570 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
572 * config/rs6000/rs6000-overload.def: Add remaining overloads.
574 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
576 * config/rs6000/rs6000-builtin-new.def: Add cell stanza.
578 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
580 * config/rs6000/rs6000-builtin-new.def: Add ieee128-hw, dfp,
581 crypto, and htm stanzas.
583 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
585 * config/rs6000/rs6000-builtin-new.def: Add mma stanza.
587 2021-08-26 Martin Sebor <msebor@redhat.com>
589 * tree-ssa-uninit.c (warn_uninit): Refactor and simplify.
590 (warn_uninit_phi_uses): Remove argument from calls to warn_uninit.
591 (warn_uninitialized_vars): Same. Reduce visibility of locals.
592 (warn_uninitialized_phi): Same.
594 2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
596 * tree-ssa-ccp.c (get_individual_bits): Helper function to
597 extract the individual bits from a widest_int constant (mask).
598 (gray_code_bit_flips): New read-only table for effiently
599 enumerating permutations/combinations of bits.
600 (bit_value_binop) [LROTATE_EXPR, RROTATE_EXPR]: Handle rotates
601 by unknown counts that are guaranteed less than the target
602 precision and four or fewer unknown bits by enumeration.
603 [LSHIFT_EXPR, RSHIFT_EXPR]: Likewise, also handle shifts by
604 enumeration under the same conditions. Handle remaining
605 shifts as a mask based upon the minimum possible shift value.
607 2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
608 Richard Biener <rguenther@suse.de>
610 * match.pd (shift transformations): Remove a redundant
611 !POINTER_TYPE_P check.
613 2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
616 * config/i386/i386.md (cmove reg-reg move elimination peephole2s):
617 Set all_regs to true in the call to replace_rtx.
619 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
621 * ipa-modref-tree.c (test_insert_search_collapse): Update test.
622 * ipa-modref-tree.h (modref_base_node::insert): Be smarter when
623 hiting --param modref-max-refs limit.
624 (modref_tree:insert_base): Be smarter when hitting
625 --param modref-max-bases limit. Add new parameter REF.
626 (modref_tree:insert): Update.
627 (modref_tree:merge): Update.
628 * ipa-modref.c (read_modref_records): Update.
630 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
632 * params.opt: (modref-max-adjustments): Add full stop.
634 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
636 * ipa-modref-tree.h (modref_ref_node::verify): New member
638 (modref_ref_node::insert): Use it.
639 (modref_ref_node::try_mere_with): Fix off by one error.
641 2021-08-26 Martin Liska <mliska@suse.cz>
642 Stefan Kneifel <stefan.kneifel@bluewin.ch>
644 * cgraph.h (create_version_clone_with_body): Add new parameter.
645 * cgraphclones.c: Likewise.
646 * multiple_target.c (create_dispatcher_calls): Do not use
648 (create_target_clone): Likewise here.
650 2021-08-26 Jonathan Yong <10walls@gmail.com>
652 * doc/extend.texi: Add note about reserved priorities
653 to the constructor attribute.
655 2021-08-25 Martin Sebor <msebor@redhat.com>
657 * gimple-range-cache.cc (ssa_global_cache::dump): Avoid printing
658 range table header alone.
659 * gimple-range.cc (gimple_ranger::export_global_ranges): Same.
661 2021-08-25 Jan Hubicka <hubicka@ucw.cz>
663 * doc/invoke.texi: Document --param modref-max-adjustments.
664 * ipa-modref-tree.c (test_insert_search_collapse): Update.
665 (test_merge): Update.
666 * ipa-modref-tree.h (struct modref_access_node): Add adjustments;
667 (modref_access_node::operator==): Fix handling of access ranges.
668 (modref_access_node::contains): Constify parameter; handle also
669 mismatched parm offsets.
670 (modref_access_node::update): New function.
671 (modref_access_node::merge): New function.
672 (unspecified_modref_access_node): Update constructor.
673 (modref_ref_node::insert_access): Add record_adjustments parameter;
675 (modref_ref_node::try_merge_with): New private function.
676 (modref_tree::insert): New record_adjustments parameter.
677 (modref_tree::merge): New record_adjustments parameter.
678 (modref_tree::copy_from): Update.
679 * ipa-modref.c (dump_access): Dump adjustments field.
680 (get_access): Update constructor.
681 (record_access): Update call of insert.
682 (record_access_lto): Update call of insert.
683 (merge_call_side_effects): Add record_adjustments parameter.
684 (get_access_for_fnspec): Update.
685 (process_fnspec): Update.
686 (analyze_call): Update.
687 (analyze_function): Update.
688 (read_modref_records): Update.
689 (ipa_merge_modref_summary_after_inlining): Update.
690 (propagate_unknown_call): Update.
691 (modref_propagate_in_scc): Update.
692 * params.opt (param-max-modref-adjustments=): New.
694 2021-08-25 Michael Meissner <meissner@linux.ibm.com>
696 * config/rs6000/vsx.md (UNSPEC_XXSPLTIDP): Rename from
698 (xxspltiw_v4si): Use vecperm type attribute.
699 (xxspltiw_v4si_inst): Use vecperm type attribute.
700 (xxspltiw_v4sf_inst): Likewise.
701 (xxspltidp_v2df): Use vecperm type attribute. Use
702 UNSPEC_XXSPLTIDP instead of UNSPEC_XXSPLTID.
703 (xxspltidp_v2df_inst): Likewise.
704 (xxsplti32dx_v4si): Use vecperm type attribute.
705 (xxsplti32dx_v4si_inst): Likewise.
706 (xxsplti32dx_v4sf_inst): Likewise.
707 (xxblend_<mode>): Likewise.
709 (xxpermx_inst): Likewise.
712 2021-08-25 Lewis Hyatt <lhyatt@gmail.com>
715 * coretypes.h (typedef diagnostic_input_charset_callback): Declare.
716 * diagnostic.c (diagnostic_initialize_input_context): New function.
717 * diagnostic.h (diagnostic_initialize_input_context): Declare.
718 * input.c (default_charset_callback): New function.
719 (file_cache::initialize_input_context): New function.
720 (file_cache_slot::create): Added ability to convert the input
721 according to the input context.
722 (file_cache::file_cache): Initialize the new input context.
723 (class file_cache_slot): Added new m_alloc_offset member.
724 (file_cache_slot::file_cache_slot): Initialize the new member.
725 (file_cache_slot::~file_cache_slot): Handle potentially offset buffer.
726 (file_cache_slot::maybe_grow): Likewise.
727 (file_cache_slot::needs_read_p): Handle NULL fp, which is now possible.
728 (file_cache_slot::get_next_line): Likewise.
729 * input.h (class file_cache): Added input context member.
731 2021-08-25 Richard Biener <rguenther@suse.de>
733 PR tree-optimization/102046
734 * tree-vect-slp.c (vect_build_slp_tree_2): Conservatively
735 update ->any_pattern when swapping operands.
737 2021-08-25 Hongyu Wang <hongyu.wang@intel.com>
740 * config/i386/i386.c (ix86_live_on_entry): Adjust comment.
741 (ix86_decompose_address): Remove retval check for ASHIFT,
742 allow non-canonical zero extend if AND mask covers ASHIFT
744 (ix86_legitimate_address_p): Adjust condition for decompose.
745 (ix86_rtx_costs): Adjust cost for lea with non-canonical
747 Co-Authored by: Uros Bizjak <ubizjak@gmail.com>
749 2021-08-25 Jiufu Guo <guojiufu@linux.ibm.com>
751 PR tree-optimization/101145
752 * tree-ssa-loop-niter.c (number_of_iterations_until_wrap):
754 (number_of_iterations_lt): Invoke above function.
755 (adjust_cond_for_loop_until_wrap):
756 Merge to number_of_iterations_until_wrap.
757 (number_of_iterations_cond): Update invokes for
758 adjust_cond_for_loop_until_wrap and number_of_iterations_lt.
760 2021-08-25 konglin1 <lingling.kong@intel.com>
763 * config/i386/avx512dqintrin.h (_mm512_fpclass_ps_mask): Fix
765 (_mm512_mask_fpclass_ps_mask): Ditto.
767 2021-08-25 Kewen Lin <linkw@linux.ibm.com>
769 * config/rs6000/altivec.md (vec_unpacku_hi_v16qi): Remove.
770 (vec_unpacku_hi_v8hi): Likewise.
771 (vec_unpacku_lo_v16qi): Likewise.
772 (vec_unpacku_lo_v8hi): Likewise.
773 (vec_unpacku_hi_<VP_small_lc>): New define_expand.
774 (vec_unpacku_lo_<VP_small_lc>): Likewise.
776 2021-08-24 David Edelsohn <dje.gcc@gmail.com>
778 * config/rs6000/aix.h (SYSTEM_IMPLICIT_EXTERN_C): Delete.
779 * config/rs6000/aix71.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
780 * config/rs6000/aix72.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
781 * config/rs6000/aix73.h (TARGET_AIX_VERSION): Increase to 73.
783 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
786 * simplify-rtx.c (simplify_truncation): When comparing precisions
787 use "subreg_prec" variable, not "subreg_mode".
789 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
791 * config/rs6000/rs6000-builtin-new.def: Add power10 and power10-64
794 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
796 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Initialize
797 various pointer type nodes.
798 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add enum
799 values for various pointer types.
800 (ptr_V16QI_type_node): New macro.
801 (ptr_V1TI_type_node): New macro.
802 (ptr_V2DI_type_node): New macro.
803 (ptr_V2DF_type_node): New macro.
804 (ptr_V4SI_type_node): New macro.
805 (ptr_V4SF_type_node): New macro.
806 (ptr_V8HI_type_node): New macro.
807 (ptr_unsigned_V16QI_type_node): New macro.
808 (ptr_unsigned_V1TI_type_node): New macro.
809 (ptr_unsigned_V8HI_type_node): New macro.
810 (ptr_unsigned_V4SI_type_node): New macro.
811 (ptr_unsigned_V2DI_type_node): New macro.
812 (ptr_bool_V16QI_type_node): New macro.
813 (ptr_bool_V8HI_type_node): New macro.
814 (ptr_bool_V4SI_type_node): New macro.
815 (ptr_bool_V2DI_type_node): New macro.
816 (ptr_bool_V1TI_type_node): New macro.
817 (ptr_pixel_type_node): New macro.
818 (ptr_intQI_type_node): New macro.
819 (ptr_uintQI_type_node): New macro.
820 (ptr_intHI_type_node): New macro.
821 (ptr_uintHI_type_node): New macro.
822 (ptr_intSI_type_node): New macro.
823 (ptr_uintSI_type_node): New macro.
824 (ptr_intDI_type_node): New macro.
825 (ptr_uintDI_type_node): New macro.
826 (ptr_intTI_type_node): New macro.
827 (ptr_uintTI_type_node): New macro.
828 (ptr_long_integer_type_node): New macro.
829 (ptr_long_unsigned_type_node): New macro.
830 (ptr_float_type_node): New macro.
831 (ptr_double_type_node): New macro.
832 (ptr_long_double_type_node): New macro.
833 (ptr_dfloat64_type_node): New macro.
834 (ptr_dfloat128_type_node): New macro.
835 (ptr_ieee128_type_node): New macro.
836 (ptr_ibm128_type_node): New macro.
837 (ptr_vector_pair_type_node): New macro.
838 (ptr_vector_quad_type_node): New macro.
839 (ptr_long_long_integer_type_node): New macro.
840 (ptr_long_long_unsigned_type_node): New macro.
842 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
844 * config/rs6000/rs6000-builtin-new.def: Add power9-vector, power9,
845 and power9-64 stanzas.
847 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
848 Tom de Vries <tdevries@suse.de>
850 * config.gcc (nvptx-*-*): Define {c,c++}_target_objs.
851 * config/nvptx/nvptx-protos.h (nvptx_cpu_cpp_builtins): Prototype.
852 * config/nvptx/nvptx.h (TARGET_CPU_CPP_BUILTINS): Implement with
853 a call to the new nvptx_cpu_cpp_builtins function in nvptx-c.c.
854 * config/nvptx/t-nvptx (nvptx-c.o): New rule.
855 * config/nvptx/nvptx-c.c: New source file.
856 (nvptx_cpu_cpp_builtins): Move implementation here.
858 2021-08-24 Martin Sebor <msebor@redhat.com>
862 * gimple-ssa-warn-access.cc (maybe_warn_for_bound): Tighten up
863 the phrasing of a warning.
864 (check_access): Use the remaining size after subtracting any offset
865 rather than the whole object size.
866 * pointer-query.cc (access_ref::get_ref): Clear BASE0 flag if it's
867 clear for any nonnull PHI argument.
868 (compute_objsize): Clear argument.
870 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
872 * config/rs6000/rs6000-builtin-new.def: Add power8-vector stanza.
874 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
876 * config/rs6000/rs6000-builtin-new.def: Add power7 and power7-64
879 2021-08-24 Andrew MacLeod <amacleod@redhat.com>
881 * value-relation.cc (rr_transitive_table): New.
882 (relation_transitive): New.
883 (value_relation::swap): Remove.
884 (value_relation::apply_transitive): New.
885 (relation_oracle::relation_oracle): Allocate a new tmp bitmap.
886 (relation_oracle::register_relation): Call register_transitives.
887 (relation_oracle::register_transitives): New.
888 * value-relation.h (relation_oracle): Add new temporary bitmap and
891 2021-08-24 H.J. Lu <hjl.tools@gmail.com>
894 * config/i386/i386-expand.c (ix86_expand_vector_move): Broadcast
895 from integer to a pseudo vector register.
897 2021-08-24 Richard Biener <rguenther@suse.de>
899 PR tree-optimization/100089
900 * tree-vectorizer.h (vect_slp_bb): Rename to ...
901 (vect_slp_if_converted_bb): ... this and get the original
902 loop as new argument.
903 * tree-vectorizer.c (try_vectorize_loop_1): Revert previous fix,
904 pass original loop to vect_slp_if_converted_bb.
905 * tree-vect-slp.c (vect_bb_vectorization_profitable_p):
906 If orig_loop was passed scan the not vectorized stmts
907 for COND_EXPRs and force not profitable if found.
908 (vect_slp_region): Pass down all SLP instances to costing
909 if orig_loop was specified.
910 (vect_slp_bbs): Pass through orig_loop.
911 (vect_slp_bb): Rename to ...
912 (vect_slp_if_converted_bb): ... this and get the original
913 loop as new argument.
914 (vect_slp_function): Adjust.
916 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
919 * config/arm/arm.md (attribute arch): Add fix_vlldm.
920 (arch_enabled): Use it.
921 * config/arm/vfp.md (lazy_store_multiple_insn): Add alternative to
922 use when erratum mitigation is needed.
924 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
927 * config/arm/arm.opt (mfix-cmse-cve-2021-35465): New option.
928 * doc/invoke.texi (Arm Options): Document it.
929 * config/arm/arm-cpus.in (quirk_vlldm): New feature bit.
930 (ALL_QUIRKS): Add quirk_vlldm.
931 (cortex-m33): Add quirk_vlldm.
932 (cortex-m35p, cortex-m55): Likewise.
933 * config/arm/arm.c (arm_option_override): Enable fix_vlldm if
934 targetting an affected CPU and not explicitly controlled on
937 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
939 * config/arm/vfp.md (lazy_store_multiple_insn): Rewrite as valid RTL.
940 (lazy_load_multiple_insn): Likewise.
942 2021-08-24 liuhongt <hongtao.liu@intel.com>
945 * config/i386/sse.md (<avx512>_vternlog<mode><sd_maskz_name>):
946 Enable avx512 embedded broadcast.
947 (*<avx512>_vternlog<mode>_all): Ditto.
948 (<avx512>_vternlog<mode>_mask): Ditto.
950 2021-08-24 liuhongt <hongtao.liu@intel.com>
953 * config/i386/i386.c (ix86_rtx_costs): Define cost for
955 * config/i386/i386.h (STRIP_UNARY): New macro.
956 * config/i386/predicates.md (reg_or_notreg_operand): New
958 * config/i386/sse.md (*<avx512>_vternlog<mode>_all): New define_insn.
959 (*<avx512>_vternlog<mode>_1): New pre_reload
960 define_insn_and_split.
961 (*<avx512>_vternlog<mode>_2): Ditto.
962 (*<avx512>_vternlog<mode>_3): Ditto.
963 (any_logic1,any_logic2): New code iterator.
964 (logic_op): New code attribute.
965 (ternlogsuffix): Extend to VNxDF and VNxSF.
967 2021-08-24 Richard Biener <rguenther@suse.de>
969 * doc/invoke.texi (vect-inner-loop-cost-factor): Adjust.
970 * params.opt (--param vect-inner-loop-cost-factor): Adjust
972 * tree-vect-loop.c (vect_analyze_loop_form): Initialize
973 inner_loop_cost_factor to the minimum of the estimated number
974 of iterations of the inner loop and vect-inner-loop-cost-factor.
976 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
977 Richard Biener <rguenther@suse.de>
979 * config/i386/i386-features.c (compute_convert_gain): Provide
980 more accurate values for CONST_INT, when optimizing for size.
981 * config/i386/i386.c (COSTS_N_BYTES): Move definition from here...
982 * config/i386/i386.h (COSTS_N_BYTES): to here.
984 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
985 Jakub Jelinek <jakub@redhat.com>
988 * match.pd (shift transformations): Add an additional check for
989 !POINTER_TYPE_P in the recently added left shift transformation.
991 2021-08-24 liuhongt <hongtao.liu@intel.com>
993 PR tree-optimization/100089
994 * tree-vectorizer.c (try_vectorize_loop_1): Disable slp in
995 loop vectorizer when cost model is very-cheap.
997 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
999 * config/rs6000/rs6000-gen-builtins.c (parse_bif_entry): Don't call
1000 asprintf, which is not available on AIX.
1002 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
1004 * config.gcc (target_gtfiles): Add ./rs6000-builtins.h.
1005 * config/rs6000/t-rs6000 (EXTRA_GTYPE_DEPS): Set.
1007 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
1009 * config.gcc (powerpc*-*-*): Add rs6000-builtins.o to extra_objs.
1010 * config/rs6000/rs6000-gen-builtins.c (main): Close init_file
1012 * config/rs6000/t-rs6000 (rs6000-gen-builtins.o): New target.
1013 (rbtree.o): Likewise.
1014 (rs6000-gen-builtins): Likewise.
1015 (rs6000-builtins.c): Likewise.
1016 (rs6000-builtins.h): Likewise.
1017 (rs6000.o): Add dependency.
1018 (EXTRA_HEADERS): Add rs6000-vecdefines.h.
1019 (rs6000-vecdefines.h): New target.
1020 (rs6000-builtins.o): Likewise.
1021 (rs6000-call.o): Add rs6000-builtins.h as a dependency.
1022 (rs6000-c.o): Likewise.
1024 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
1027 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace):
1028 Diagnose buffer overrun.
1029 (safe_inc_pos): Fix overrun detection.
1030 (match_identifier): Diagnose buffer overrun.
1031 (match_integer): Likewise.
1032 (match_to_right_bracket): Likewise.
1034 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
1036 * ipa-modref-tree.h (modref_access_node::range_info_useful_p):
1037 Improve range compare.
1038 (modref_access_node::contains): New member function.
1039 (modref_access_node::search): Remove.
1040 (modref_access_node::insert): Be smarter about subaccesses.
1042 2021-08-23 Thomas Schwinge <thomas@codesourcery.com>
1044 * config/i386/i386-options.c (ix86_omp_device_kind_arch_isa)
1045 <omp_device_arch> [ACCEL_COMPILER]: Match "intel_mic".
1046 * config/i386/t-omp-device (omp-device-properties-i386) <arch>:
1049 2021-08-23 Jeff Law <jlaw@localhost.localdomain>
1051 * config/h8300/h8300-protos.h (h8300_expand_epilogue): Add new
1053 * config/h8300/jumpcall.md (call, call_value): Restrict to
1054 !SIBLING_CALL_P cases.
1055 (subcall, sibcall_value): New patterns & expanders.
1056 * config/h8300/proepi.md (epilogue): Pass new argument to
1057 h8300_expand_epilogue.
1058 (sibcall_epilogue): New expander.
1059 * config/h8300/h8300.c (h8300_expand_epilogue): Handle sibcall
1061 (h8300_ok_for_sibcall_p): New function.
1062 (TARGET_FUNCTION_OK_FOR_SIBCALL): define.
1064 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
1066 * simplify-rtx.c (simplify_unary_operation_1): [TRUNCATE]:
1067 Handle case where the operand is already the desired mode.
1069 2021-08-23 Richard Biener <rguenther@suse.de>
1072 * tree-ssa-structalias.c (ipa_pta_execute): Check in_other_partition
1073 in addition to has_gimple_body.
1075 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
1077 PR middle-end/101949
1078 * ipa-modref.c (analyze_ssa_name_flags): Fix merging of
1081 2021-08-23 Martin Liska <mliska@suse.cz>
1083 * doc/invoke.texi: Put the option out of -mxl-mode-app-model
1086 2021-08-23 Richard Biener <rguenther@suse.de>
1088 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
1089 Properly scale the inner loop cost only once.
1091 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
1093 * tree-ssa-ccp.c (bit_value_binop) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]:
1094 Provide bounds for unsigned (and signed with non-negative operands)
1095 division and modulus.
1097 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
1099 * simplify-rtx.c (simplify_truncation): Generalize simplification
1100 of (truncate:A (subreg:B X)).
1101 (simplify_unary_operation_1) [FLOAT_TRUNCATE, FLOAT_EXTEND,
1102 SIGN_EXTEND, ZERO_EXTEND]: Handle cases where the operand
1103 already has the desired machine mode.
1104 (test_scalar_int_ops): Add tests that useless extensions and
1105 truncations are optimized away.
1106 (test_scalar_int_ext_ops): New self-test function to confirm
1107 that truncations of extensions are correctly simplified.
1108 (test_scalar_int_ext_ops2): New self-test function to check
1109 truncations of truncations, extensions of extensions, and
1110 truncations of extensions.
1111 (test_scalar_ops): Call the above two functions with a
1112 representative sampling of integer machine modes.
1114 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
1116 * match.pd (shift transformations): Change the sign of an
1117 LSHIFT_EXPR if it reduces the number of explicit conversions.
1119 2021-08-23 Jakub Jelinek <jakub@redhat.com>
1121 PR tree-optimization/86723
1122 * gimple-ssa-store-merging.c (find_bswap_or_nop_finalize): Add
1123 cast64_to_32 argument, set *cast64_to_32 to false, unless n is
1124 non-memory permutation of 64-bit src which only has bytes of
1125 0 or [5..8] and n->range is 4.
1126 (find_bswap_or_nop): Add cast64_to_32 and mask arguments, adjust
1127 find_bswap_or_nop_finalize caller, support bswap with some bytes
1128 zeroed, as long as at least two bytes are not zeroed.
1129 (bswap_replace): Add mask argument and handle masking of bswap
1131 (maybe_optimize_vector_constructor): Adjust find_bswap_or_nop
1132 caller, punt if cast64_to_32 or mask is not all ones.
1133 (pass_optimize_bswap::execute): Adjust find_bswap_or_nop_finalize
1134 caller, for now punt if cast64_to_32.
1136 2021-08-23 Richard Biener <rguenther@suse.de>
1138 PR tree-optimization/79334
1139 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
1140 a type also for COMPONENT_REFs.
1141 (vn_reference_may_trap): Check ARRAY_REF with constant index
1142 against the array domain.
1144 2021-08-23 liuhongt <hongtao.liu@intel.com>
1147 * config/i386/sse.md (*avx512f_pshufb_truncv8hiv8qi_1): Add
1148 TARGET_AVX512BW to condition.
1150 2021-08-23 Jakub Jelinek <jakub@redhat.com>
1153 * dwarf2out.c (gen_variable_die): Add DW_AT_location for global
1154 register variables already during early_dwarf if possible.
1156 2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
1158 * config/arm/arm_mve.h: Fix __arm_vctp16q return type.
1160 2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
1163 * config/arm/arm.opt: Fix typo.
1164 * config/arm/t-rmprofile: Fix typo.
1166 2021-08-23 Jakub Jelinek <jakub@redhat.com>
1168 * tree.h (OMP_CLAUSE_GRAINSIZE_STRICT): Define.
1169 (OMP_CLAUSE_NUM_TASKS_STRICT): Define.
1170 * tree-pretty-print.c (dump_omp_clause) <case OMP_CLAUSE_GRAINSIZE,
1171 case OMP_CLAUSE_NUM_TASKS>: Print strict: modifier.
1172 * omp-expand.c (expand_task_call): Use GOMP_TASK_FLAG_STRICT in iflags
1173 if either grainsize or num_tasks clause has the strict modifier.
1175 2021-08-23 Martin Liska <mliska@suse.cz>
1177 * dbgcnt.def (DEBUG_COUNTER): New counter.
1178 * gimple.c (gimple_call_arg_flags): Use it in IPA PTA.
1180 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
1182 * ipa-modref.c (analyze_ssa_name_flags): Improve handling of return slot.
1184 2021-08-23 Xi Ruoyao <xry111@mengyan1223.wang>
1187 * config/mips/mips-protos.h (mips_msa_output_shift_immediate):
1189 * config/mips/mips.c (mips_msa_output_shift_immediate): New
1191 * config/mips/mips-msa.md (vashl<mode>3, vashr<mode>3,
1192 vlshr<mode>3): Call it.
1194 2021-08-22 Jan Hubicka <hubicka@ucw.cz>
1195 Martin Liska <mliska@suse.cz>
1197 PR middle-end/101949
1198 * ipa-modref.c (analyze_ssa_name_flags): Indirect call implies
1201 2021-08-21 Dragan Mladjenovic <OT_Dragan.Mladjenovic@mediatek.com>
1203 * config/mips/mips.c (mips_function_rodata_section,
1204 TARGET_ASM_FUNCTION_RODATA_SECTION): Removed.
1206 2021-08-21 John David Anglin <danglin@gcc.gnu.org>
1208 * config/pa/pa.c (pa_asm_output_aligned_common): Remove warning.
1210 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1212 * configure.ac (thread-local storage support): Remove tls_first_major
1213 and tls_first_minor. Use "$conftest_s" to check support.
1214 * configure: Regenerate.
1216 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1218 * configure.ac: Fixup formatting.
1220 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1222 * acinclude.m4 (gcc_GAS_CHECK_FEATURE): Remove third argument and ...
1223 * configure.ac: ... update all callers.
1225 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1228 * acinclude.m4 (_gcc_COMPUTE_GAS_VERSION, _gcc_GAS_VERSION_GTE_IFELSE)
1229 (gcc_GAS_VERSION_GTE_IFELSE): Remove.
1230 (gcc_GAS_CHECK_FEATURE): Do not handle in-tree case specially.
1231 * configure.ac: Remove gcc_cv_gas_major_version, gcc_cv_gas_minor_version.
1232 Remove remaining checks for in-tree assembler.
1233 * configure: Regenerate.
1235 2021-08-20 Jeff Law <jlaw@localhost.localdomain>
1237 * config/h8300/h8300.c (shift_alg_hi): Improve arithmetic shift right
1238 by 15 bits for H8/300H and H8/S. Improve logical shifts by 12
1240 (shift_alg_si): Improve arithmetic right shift by 28-30 bits for
1241 H8/300H. Improve arithmetic shift right by 15 bits for H8/S.
1242 Improve logical shifts by 27 bits for H8/S.
1243 (get_shift_alg): Corresponding changes.
1244 (h8300_option_override): Revert to loops for -Os when profitable.
1246 2021-08-20 Richard Biener <rguenther@suse.de>
1248 * tree-vect-data-refs.c (dr_group_sort_cmp): Do not compare
1250 (vect_analyze_data_ref_accesses): Likewise. Assign the BB
1251 index as group_id when dataref_groups were not computed.
1252 * tree-vect-slp.c (vect_slp_bbs): Bump current_group when
1253 we advace to the next BB.
1255 2021-08-20 Jakub Jelinek <jakub@redhat.com>
1257 * omp-builtins.def (BUILT_IN_GOMP_WARNING, BUILT_IN_GOMP_ERROR): New
1260 2021-08-20 Martin Liska <mliska@suse.cz>
1262 PR gcov-profile/89961
1263 * gcov.c (make_gcov_file_name): Rewrite using std::string.
1264 (mangle_name): Simplify, do not used the second argument.
1265 (strip_extention): New function.
1266 (get_md5sum): Likewise.
1267 (get_gcov_intermediate_filename): Handle properly -p and -x
1269 (output_gcov_file): Use string type.
1270 (generate_results): Likewise.
1271 (md5sum_to_hex): Remove.
1273 2021-08-20 Michael Meissner <meissner@linux.ibm.com>
1275 * config/rs6000/altivec.md (UNSPEC_XXEVAL): Move to vsx.md.
1276 (UNSPEC_XXSPLTIW): Move to vsx.md.
1277 (UNSPEC_XXSPLTID): Move to vsx.md.
1278 (UNSPEC_XXSPLTI32DX): Move to vsx.md.
1279 (UNSPEC_XXBLEND): Move to vsx.md.
1280 (UNSPEC_XXPERMX): Move to vsx.md.
1281 (VM3): Move to vsx.md.
1282 (VM3_char): Move to vsx.md.
1283 (xxspltiw_v4si): Move to vsx.md.
1284 (xxspltiw_v4sf): Move to vsx.md.
1285 (xxspltiw_v4sf_inst): Move to vsx.md.
1286 (xxspltidp_v2df): Move to vsx.md.
1287 (xxspltidp_v2df_inst): Move to vsx.md.
1288 (xxsplti32dx_v4si_inst): Move to vsx.md.
1289 (xxsplti32dx_v4sf): Move to vsx.md.
1290 (xxsplti32dx_v4sf_inst): Move to vsx.md.
1291 (xxblend_<mode>): Move to vsx.md.
1292 (xxpermx): Move to vsx.md.
1293 (xxpermx_inst): Move to vsx.md.
1294 * config/rs6000/vsx.md (UNSPEC_XXEVAL): Move from altivec.md.
1295 (UNSPEC_XXSPLTIW): Move from altivec.md.
1296 (UNSPEC_XXSPLTID): Move from altivec.md.
1297 (UNSPEC_XXSPLTI32DX): Move from altivec.md.
1298 (UNSPEC_XXBLEND): Move from altivec.md.
1299 (UNSPEC_XXPERMX): Move from altivec.md.
1300 (VM3): Move from altivec.md.
1301 (VM3_char): Move from altivec.md.
1302 (xxspltiw_v4si): Move from altivec.md.
1303 (xxspltiw_v4sf): Move from altivec.md.
1304 (xxspltiw_v4sf_inst): Move from altivec.md.
1305 (xxspltidp_v2df): Move from altivec.md.
1306 (xxspltidp_v2df_inst): Move from altivec.md.
1307 (xxsplti32dx_v4si_inst): Move from altivec.md.
1308 (xxsplti32dx_v4sf): Move from altivec.md.
1309 (xxsplti32dx_v4sf_inst): Move from altivec.md.
1310 (xxblend_<mode>): Move from altivec.md.
1311 (xxpermx): Move from altivec.md.
1312 (xxpermx_inst): Move from altivec.md.
1314 2021-08-19 Roger Sayle <roger@nextmovesoftware.com>
1316 * tree-vect-generic.c (expand_vector_operations_1): Use either
1317 gimplify_build1 or gimplify_build2 instead of gimple_build_assign
1318 when constructing scalar splat expressions.
1320 2021-08-19 Peter Bergner <bergner@linux.ibm.com>
1323 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Cast
1324 pointer to __vector_pair *.
1326 2021-08-19 Martin Sebor <msebor@redhat.com>
1328 * gimple-range.cc: Add comments.
1329 * gimple-range.h: Same.
1331 2021-08-19 Martin Sebor <msebor@redhat.com>
1333 PR middle-end/101984
1334 * gimple-ssa-warn-access.cc (pass_waccess::execute): Also call
1337 2021-08-19 Jeff Law <jlaw@localhost.localdomain>
1339 * config.gcc (h8300-*-elf*): Do not include dbxelf.h.
1340 (h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
1341 * config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.
1343 2021-08-19 Jakub Jelinek <jakub@redhat.com>
1345 PR middle-end/101950
1346 * optabs.c (expand_clrsb_using_clz): New function.
1347 (expand_unop): Use it as another clrsb expansion fallback.
1349 2021-08-19 liuhongt <hongtao.liu@intel.com>
1352 2021-07-28 liuhongt <hongtao.liu@intel.com>
1355 * config/i386/i386.h (processor_costs): Add new member
1357 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
1358 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
1359 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
1360 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
1361 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
1362 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
1363 generic_cost, core_cost): Initialize integer_to_sse same value
1365 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
1366 * config/i386/i386.c (ix86_builtin_vectorization_cost):
1367 Use integer_to_sse instead of sse_op to calculate the cost of
1370 2021-08-18 Iain Sandoe <iain@sandoe.co.uk>
1372 * config.gcc: Include rpath.opt for Darwin.
1373 * config/darwin.h (DRIVER_SELF_SPECS): Handle -rpath.
1375 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1378 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor_expand):
1381 2021-08-18 Jonathan Wright <jonathan.wright@arm.com>
1383 * config/aarch64/arm_neon.h (vld3_lane_f64): Use float RTL
1384 pattern and type cast.
1385 (vld4_lane_f32): Use float RTL pattern.
1386 (vld4q_lane_f64): Use float type cast.
1388 2021-08-18 Jan Hubicka <hubicka@ucw.cz>
1390 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Check also
1393 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1395 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): Extend.
1396 (test_map_of_type_with_ctor_and_dtor_expand): Add function.
1397 (hash_map_tests_c_tests): Call it.
1399 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1401 * ggc.h (enum ggc_collect): New.
1402 (ggc_collect): Use it.
1403 * ggc-page.c: Adjust.
1404 * ggc-common.c: Likewise.
1405 * ggc-tests.c: Likewise.
1406 * read-rtl-function.c: Likewise.
1407 * selftest-run-tests.c: Likewise.
1408 * doc/gty.texi (Invoking the garbage collector): Likewise.
1410 2021-08-18 liuhongt <hongtao.liu@intel.com>
1413 * config/i386/i386.h (TARGET_V2DF_REDUCTION_PREFER_HADDPD):
1415 * config/i386/sse.md (*sse3_haddv2df3_low): Add
1416 TARGET_V2DF_REDUCTION_PREFER_HADDPD.
1417 (*sse3_hsubv2df3_low): Ditto.
1418 * config/i386/x86-tune.def
1419 (X86_TUNE_V2DF_REDUCTION_PREFER_HADDPD): New tune.
1421 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1423 * gimple-range-gori.cc (gori_compute::gori_compute): Enable tracing.
1424 (gori_compute::compute_operand_range): Add tracing.
1425 (gori_compute::logical_combine): Ditto.
1426 (gori_compute::compute_logical_operands): Ditto.
1427 (gori_compute::compute_operand1_range): Ditto.
1428 (gori_compute::compute_operand2_range): Ditto.
1429 (gori_compute::outgoing_edge_range_p): Ditto.
1430 * gimple-range-gori.h (class gori_compute): Add range_tracer.
1432 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1434 * flag-types.h (enum evrp_mode): Adjust evrp-mode values.
1435 * gimple-range-cache.cc (DEBUG_RANGE_CACHE): Relocate from.
1436 * gimple-range-trace.h (DEBUG_RANGE_CACHE): Here.
1437 * params.opt (--param=evrp-mode): Adjust options.
1439 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1441 * Makefile.in (OBJS): Add gimple-range-trace.o.
1442 * gimple-range-cache.h (enable_new_values): Remove unused prototype.
1443 * gimple-range-fold.cc: Adjust headers.
1444 * gimple-range-trace.cc: New.
1445 * gimple-range-trace.h: New.
1446 * gimple-range.cc (gimple_ranger::gimple_ranger): Enable tracer.
1447 (gimple_ranger::range_of_expr): Add tracing.
1448 (gimple_ranger::range_on_entry): Ditto.
1449 (gimple_ranger::range_on_exit): Ditto.
1450 (gimple_ranger::range_on_edge): Ditto.
1451 (gimple_ranger::fold_range_internal): Ditto.
1452 (gimple_ranger::dump_bb): Do not calculate edge range twice.
1453 (trace_ranger::*): Remove.
1454 (enable_ranger): Never create a trace_ranger.
1455 (debug_seed_ranger): Move to gimple-range-trace.cc.
1456 (dump_ranger): Ditto.
1457 (debug_ranger): Ditto.
1458 * gimple-range.h: Include gimple-range-trace.h.
1459 (range_on_entry, range_on_exit): No longer virtual.
1460 (class trace_ranger): Remove.
1461 (DEBUG_RANGE_CACHE): Move to gimple-range-trace.h.
1463 2021-08-17 Martin Sebor <msebor@redhat.com>
1465 PR middle-end/101854
1466 * builtins.c (expand_builtin_alloca): Move warning code to check_alloca
1467 in gimple-ssa-warn-access.cc.
1468 * calls.c (alloc_max_size): Move code to check_alloca.
1469 (get_size_range): Move to pointer-query.cc.
1470 (maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.cc.
1471 (get_attr_nonstring_decl): Move to tree.c.
1472 (fntype_argno_type): Move to gimple-ssa-warn-access.cc.
1473 (append_attrname): Same.
1474 (maybe_warn_rdwr_sizes): Same.
1475 (initialize_argument_information): Move code to
1476 gimple-ssa-warn-access.cc.
1477 * calls.h (maybe_warn_alloc_args_overflow): Move to
1478 gimple-ssa-warn-access.h.
1479 (get_attr_nonstring_decl): Move to tree.h.
1480 (maybe_warn_nonstring_arg): Move to gimple-ssa-warn-access.h.
1481 (enum size_range_flags): Move to pointer-query.h.
1482 (get_size_range): Same.
1483 * gimple-ssa-warn-access.cc (has_location): Remove unused overload
1484 to avoid Clang -Wunused-function.
1485 (get_size_range): Declare static.
1486 (maybe_emit_free_warning): Rename...
1487 (maybe_check_dealloc_call): ...to this for consistency.
1488 (class pass_waccess): Add members.
1489 (pass_waccess::~pass_waccess): Defined.
1490 (alloc_max_size): Move here from calls.c.
1491 (maybe_warn_alloc_args_overflow): Same.
1492 (check_alloca): New function.
1493 (check_alloc_size_call): New function.
1494 (check_strncat): Handle another warning flag.
1495 (pass_waccess::check_builtin): Handle alloca.
1496 (fntype_argno_type): Move here from calls.c.
1497 (append_attrname): Same.
1498 (maybe_warn_rdwr_sizes): Same.
1499 (pass_waccess::check_call): Define.
1500 (check_nonstring_args): New function.
1501 (pass_waccess::check): Call new member functions.
1502 (pass_waccess::execute): Enable ranger.
1503 * gimple-ssa-warn-access.h (get_size_range): Move here from calls.h.
1504 (maybe_warn_nonstring_arg): Same.
1505 * gimple-ssa-warn-restrict.c: Remove #include.
1506 * pointer-query.cc (get_size_range): Move here from calls.c.
1507 * pointer-query.h (enum size_range_flags): Same.
1508 (get_size_range): Same.
1509 * tree.c (get_attr_nonstring_decl): Move here from calls.c.
1510 * tree.h (get_attr_nonstring_decl): Move here from calls.h.
1512 2021-08-17 Thomas Schwinge <thomas@codesourcery.com>
1514 * ggc.h (ggc_collect): Add 'force_collect' parameter.
1515 * ggc-page.c (ggc_collect): Use that one instead of global
1516 'ggc_force_collect'. Adjust all users.
1517 * doc/gty.texi (Invoking the garbage collector): Update.
1518 * ggc-internal.h (ggc_force_collect): Remove.
1519 * ggc-common.c (ggc_force_collect): Likewise.
1520 * selftest.h (forcibly_ggc_collect): Remove.
1521 * ggc-tests.c (selftest::forcibly_ggc_collect): Likewise.
1522 * read-rtl-function.c (test_loading_labels): Adjust.
1523 * selftest-run-tests.c (run_tests): Likewise.
1525 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
1527 * config/darwin.c (darwin_file_end): Reset and reclaim the
1528 section names table at the end of compile.
1530 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
1533 * config.in: Regenerate.
1534 * config/i386/darwin.h (EXTRA_ASM_OPTS): New
1535 (ASM_SPEC): Pass options to disable branch shortening where
1537 * configure: Regenerate.
1538 * configure.ac: Detect versions of 'as' that support the
1539 optimisation which has the bug.
1541 2021-08-17 Richard Biener <rguenther@suse.de>
1543 * optabs-query.c (supports_vec_gather_load_p): Also check
1545 (supports_vec_scatter_store_p): Likewise.
1546 * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Fall
1547 back to masked variants if non-masked are not supported.
1548 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
1549 When we need to use masked gather/scatter but do not have
1550 a mask set up a constant true one.
1551 * tree-vect-stmts.c (vect_check_scalar_mask): Also allow
1554 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
1556 * tree-ssa-ccp.c (bit_value_binop) [MINUS_EXPR]: Use same
1557 algorithm as PLUS_EXPR to improve subtraction bit bounds.
1558 [POINTER_DIFF_EXPR]: Treat as synonymous with MINUS_EXPR.
1560 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
1562 * tree-ssa-ccp.c (bit_value_mult_const): New helper function to
1563 calculate the mask-value pair result of a multiplication by an
1565 (bit_value_binop) [MULT_EXPR]: Call it from here for
1566 multiplications by (sparse) non-negative constants.
1568 2021-08-17 Christophe Lyon <christophe.lyon@foss.st.com>
1571 * config.gcc (gcc_cv_initfini_array): Leave undefined for
1572 uclinuxfdpiceabi targets.
1574 2021-08-17 Alexandre Oliva <oliva@adacore.com>
1576 * tree-inline.c (maybe_move_debug_stmts_to_successors): Don't
1577 reverse debug stmts.
1579 2021-08-17 Alexandre Oliva <oliva@adacore.com>
1581 * tree-cfg.c (dump_function_to_file): Use fun, not cfun.
1583 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1585 * config/aarch64/arm_neon.h (__LD4_LANE_FUNC): Delete.
1586 (__LD4Q_LANE_FUNC): Likewise.
1587 (vld4_lane_u8): Define without macro.
1588 (vld4_lane_u16): Likewise.
1589 (vld4_lane_u32): Likewise.
1590 (vld4_lane_u64): Likewise.
1591 (vld4_lane_s8): Likewise.
1592 (vld4_lane_s16): Likewise.
1593 (vld4_lane_s32): Likewise.
1594 (vld4_lane_s64): Likewise.
1595 (vld4_lane_f16): Likewise.
1596 (vld4_lane_f32): Likewise.
1597 (vld4_lane_f64): Likewise.
1598 (vld4_lane_p8): Likewise.
1599 (vld4_lane_p16): Likewise.
1600 (vld4_lane_p64): Likewise.
1601 (vld4q_lane_u8): Likewise.
1602 (vld4q_lane_u16): Likewise.
1603 (vld4q_lane_u32): Likewise.
1604 (vld4q_lane_u64): Likewise.
1605 (vld4q_lane_s8): Likewise.
1606 (vld4q_lane_s16): Likewise.
1607 (vld4q_lane_s32): Likewise.
1608 (vld4q_lane_s64): Likewise.
1609 (vld4q_lane_f16): Likewise.
1610 (vld4q_lane_f32): Likewise.
1611 (vld4q_lane_f64): Likewise.
1612 (vld4q_lane_p8): Likewise.
1613 (vld4q_lane_p16): Likewise.
1614 (vld4q_lane_p64): Likewise.
1615 (vld4_lane_bf16): Likewise.
1616 (vld4q_lane_bf16): Likewise.
1618 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1620 * config/aarch64/arm_neon.h (__LD3_LANE_FUNC): Delete.
1621 (__LD3Q_LANE_FUNC): Delete.
1622 (vld3_lane_u8): Define without macro.
1623 (vld3_lane_u16): Likewise.
1624 (vld3_lane_u32): Likewise.
1625 (vld3_lane_u64): Likewise.
1626 (vld3_lane_s8): Likewise.
1627 (vld3_lane_s16): Likewise.
1628 (vld3_lane_s32): Likewise.
1629 (vld3_lane_s64): Likewise.
1630 (vld3_lane_f16): Likewise.
1631 (vld3_lane_f32): Likewise.
1632 (vld3_lane_f64): Likewise.
1633 (vld3_lane_p8): Likewise.
1634 (vld3_lane_p16): Likewise.
1635 (vld3_lane_p64): Likewise.
1636 (vld3q_lane_u8): Likewise.
1637 (vld3q_lane_u16): Likewise.
1638 (vld3q_lane_u32): Likewise.
1639 (vld3q_lane_u64): Likewise.
1640 (vld3q_lane_s8): Likewise.
1641 (vld3q_lane_s16): Likewise.
1642 (vld3q_lane_s32): Likewise.
1643 (vld3q_lane_s64): Likewise.
1644 (vld3q_lane_f16): Likewise.
1645 (vld3q_lane_f32): Likewise.
1646 (vld3q_lane_f64): Likewise.
1647 (vld3q_lane_p8): Likewise.
1648 (vld3q_lane_p16): Likewise.
1649 (vld3q_lane_p64): Likewise.
1650 (vld3_lane_bf16): Likewise.
1651 (vld3q_lane_bf16): Likewise.
1653 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1655 * config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Delete.
1656 (__LD2Q_LANE_FUNC): Likewise.
1657 (vld2_lane_u8): Define without macro.
1658 (vld2_lane_u16): Likewise.
1659 (vld2_lane_u32): Likewise.
1660 (vld2_lane_u64): Likewise.
1661 (vld2_lane_s8): Likewise.
1662 (vld2_lane_s16): Likewise.
1663 (vld2_lane_s32): Likewise.
1664 (vld2_lane_s64): Likewise.
1665 (vld2_lane_f16): Likewise.
1666 (vld2_lane_f32): Likewise.
1667 (vld2_lane_f64): Likewise.
1668 (vld2_lane_p8): Likewise.
1669 (vld2_lane_p16): Likewise.
1670 (vld2_lane_p64): Likewise.
1671 (vld2q_lane_u8): Likewise.
1672 (vld2q_lane_u16): Likewise.
1673 (vld2q_lane_u32): Likewise.
1674 (vld2q_lane_u64): Likewise.
1675 (vld2q_lane_s8): Likewise.
1676 (vld2q_lane_s16): Likewise.
1677 (vld2q_lane_s32): Likewise.
1678 (vld2q_lane_s64): Likewise.
1679 (vld2q_lane_f16): Likewise.
1680 (vld2q_lane_f32): Likewise.
1681 (vld2q_lane_f64): Likewise.
1682 (vld2q_lane_p8): Likewise.
1683 (vld2q_lane_p16): Likewise.
1684 (vld2q_lane_p64): Likewise.
1685 (vld2_lane_bf16): Likewise.
1686 (vld2q_lane_bf16): Likewise.
1688 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1690 * haifa-sched.c (advance_one_cycle): Output more context-synchronization
1693 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1695 * haifa-sched.c (enum rfs_decision, rfs_str): Add RFS_AUTOPREF.
1696 (rank_for_schedule): Use it.
1698 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1700 PR rtl-optimization/91598
1701 * haifa-sched.c (autopref_rank_for_schedule): Prioritize "irrelevant"
1702 insns after memory reads and before memory writes.
1704 2021-08-17 Alistair_Lee <alistair.lee@arm.com>
1706 * rtl.h (CONST_VECTOR_P): New macro.
1707 * config/aarch64/aarch64.c (aarch64_get_sve_pred_bits): Use RTL
1708 code testing macros.
1709 (aarch64_ptrue_all_mode): Likewise.
1710 (aarch64_expand_mov_immediate): Likewise.
1711 (aarch64_const_vec_all_in_range_p): Likewise.
1712 (aarch64_rtx_costs): Likewise.
1713 (aarch64_legitimate_constant_p): Likewise.
1714 (aarch64_simd_valid_immediate): Likewise.
1715 (aarch64_simd_make_constant): Likewise.
1716 (aarch64_convert_mult_to_shift): Likewise.
1717 (aarch64_expand_sve_vec_perm): Likewise.
1718 (aarch64_vec_fpconst_pow_of_2): Likewise.
1720 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1722 PR tree-optimization/101938
1723 * range-op.cc (operator_abs::op1_range): Special case
1724 -TYPE_MIN_VALUE for flag_wrapv.
1726 2021-08-17 Kewen Lin <linkw@linux.ibm.com>
1728 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Add the cost for
1731 2021-08-17 Jakub Jelinek <jakub@redhat.com>
1733 * tree.def (OMP_SCOPE): New tree code.
1734 * tree.h (OMP_SCOPE_BODY, OMP_SCOPE_CLAUSES): Define.
1735 * tree-nested.c (convert_nonlocal_reference_stmt,
1736 convert_local_reference_stmt, convert_gimple_call): Handle
1738 * tree-pretty-print.c (dump_generic_node): Handle OMP_SCOPE.
1739 * gimple.def (GIMPLE_OMP_SCOPE): New gimple code.
1740 * gimple.c (gimple_build_omp_scope): New function.
1741 (gimple_copy): Handle GIMPLE_OMP_SCOPE.
1742 * gimple.h (gimple_build_omp_scope): Declare.
1743 (gimple_has_substatements): Handle GIMPLE_OMP_SCOPE.
1744 (gimple_omp_scope_clauses, gimple_omp_scope_clauses_ptr,
1745 gimple_omp_scope_set_clauses): New inline functions.
1746 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_SCOPE.
1747 * gimple-pretty-print.c (dump_gimple_omp_scope): New function.
1748 (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCOPE.
1749 * gimple-walk.c (walk_gimple_stmt): Likewise.
1750 * gimple-low.c (lower_stmt): Likewise.
1751 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
1752 (gimplify_scan_omp_clauses): For task reductions, handle OMP_SCOPE
1753 like ORT_WORKSHARE constructs. Adjust diagnostics for %<scope%>
1754 allowing task reductions. Reject inscan reductions on scope.
1755 (omp_find_stores_stmt): Handle GIMPLE_OMP_SCOPE.
1756 (gimplify_omp_workshare, gimplify_expr): Handle OMP_SCOPE.
1757 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_SCOPE.
1758 (estimate_num_insns): Likewise.
1759 * omp-low.c (build_outer_var_ref): Look through GIMPLE_OMP_SCOPE
1760 contexts if var isn't privatized there.
1761 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_SCOPE.
1762 (scan_omp_1_stmt): Likewise.
1763 (maybe_add_implicit_barrier_cancel): Look through outer
1765 (lower_omp_scope): New function.
1766 (lower_omp_task_reductions): Handle OMP_SCOPE.
1767 (lower_omp_1): Handle GIMPLE_OMP_SCOPE.
1768 (diagnose_sb_1, diagnose_sb_2): Likewise.
1769 * omp-expand.c (expand_omp_single): Support also GIMPLE_OMP_SCOPE.
1770 (expand_omp): Handle GIMPLE_OMP_SCOPE.
1771 (omp_make_gimple_edges): Likewise.
1772 * omp-builtins.def (BUILT_IN_GOMP_SCOPE_START): New built-in.
1774 2021-08-17 Richard Biener <rguenther@suse.de>
1776 PR tree-optimization/101925
1777 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Set
1778 reverse on COMPONENT_REF and ARRAY_REF according to
1779 what reverse_storage_order_for_component_p does.
1780 (vn_reference_eq): Compare reversed on reference ops.
1781 (reverse_storage_order_for_component_p): New overload.
1782 (vn_reference_lookup_3): Check reverse_storage_order_for_component_p
1783 on the reference looked up.
1785 2021-08-17 Jeff Law <jlaw@localhost.localdomain>
1787 * config/h8300/h8300.c (shift_alg_si): Avoid loops for most SImode
1789 (h8300_option_override): Use loops on H8/S more often when optimizing
1791 (get_shift_alg): Handle new "special" cases on H8/S. Simplify
1792 accordingly. Handle various arithmetic right shifts with special
1793 sequences that we couldn't handle before.
1795 2021-08-16 Jeff Law <jlaw@localhost.localdomain>
1797 * config.gcc (rl78-*-elf*): Do not include dbxelf.h.
1799 2021-08-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
1801 * config/sparc/rtemself.h (SPARC_GCOV_TYPE_SIZE): Define.
1802 * config/sparc/sparc.c (sparc_gcov_type_size): New.
1803 (TARGET_GCOV_TYPE_SIZE): Redefine if SPARC_GCOV_TYPE_SIZE is defined.
1804 * coverage.c (get_gcov_type): Use targetm.gcov_type_size().
1805 * doc/tm.texi (TARGET_GCOV_TYPE_SIZE): Add hook under "Misc".
1806 * doc/tm.texi.in: Regenerate.
1807 * target.def (gcov_type_size): New target hook.
1808 * targhooks.c (default_gcov_type_size): New.
1809 * targhooks.h (default_gcov_type_size): Declare.
1810 * tree-profile.c (gimple_gen_edge_profiler): Use precision of
1812 (gimple_gen_time_profiler): Likewise.
1814 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
1816 * dwarf2out.c (add_scalar_info): Deal with DW_AT_data_bit_offset.
1818 2021-08-16 Tobias Burnus <tobias@codesourcery.com>
1820 PR middle-end/101931
1821 * omp-low.c (omp_runtime_api_call): Update for routines
1822 added in the meanwhile.
1824 2021-08-16 Martin Liska <mliska@suse.cz>
1826 PR tree-optimization/100393
1827 * tree-switch-conversion.c (group_cluster::dump): Use
1828 get_comparison_count.
1829 (jump_table_cluster::find_jump_tables): Pre-compute number of
1830 comparisons and then decrement it. Cache also max_ratio.
1831 (jump_table_cluster::can_be_handled): Change signature.
1832 * tree-switch-conversion.h (get_comparison_count): New.
1834 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
1836 * dwarf2out.c (add_data_member_location_attribute): Use GNAT
1837 encodings only when -fgnat-encodings=all is specified.
1838 (add_bound_info): Likewise.
1839 (add_byte_size_attribute): Likewise.
1840 (gen_member_die): Likewise.
1842 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
1844 * omp-oacc-neuter-broadcast.cc
1845 (execute_omp_oacc_neuter_broadcast): Plug 'par' memory leak.
1847 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
1849 * omp-oacc-neuter-broadcast.cc
1850 (execute_omp_oacc_neuter_broadcast): Clarify memory management for
1853 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
1855 * omp-oacc-neuter-broadcast.cc (field_map): Move variable into...
1856 (execute_omp_oacc_neuter_broadcast): ... here.
1857 (install_var_field, build_receiver_ref, build_sender_ref): Take
1858 'field_map_t *' parameter. Adjust all users.
1859 (worker_single_copy, neuter_worker_single): Take a
1860 'record_field_map_t *' parameter. Adjust all users.
1862 2021-08-16 liuhongt <hongtao.liu@intel.com>
1865 * config/i386/i386.md (ldexp<mode>3): Force operands[1] to
1868 2021-08-16 Martin Liska <mliska@suse.cz>
1871 * multiple_target.c (create_dispatcher_calls): Make default
1872 function local only if it is a definition.
1874 2021-08-16 Martin Liska <mliska@suse.cz>
1877 * ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not
1878 consider equal SSA_NAMEs when one is a param.
1880 2021-08-16 liuhongt <hongtao.liu@intel.com>
1883 * config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
1884 Support vpermi2b for V32QI/V16QImode.
1885 (ix86_extract_perm_from_pool_constant): New function.
1886 (ix86_expand_vec_one_operand_perm_avx512): Support
1887 vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
1888 (expand_vec_perm_1): Adjust comments for upper.
1889 * config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
1891 * config/i386/predicates.md (permvar_truncate_operand): New predicate.
1892 (pshufb_truncv4siv4hi_operand): Ditto.
1893 (pshufb_truncv8hiv8qi_operand): Ditto.
1894 * config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
1895 New pre_reload define_insn_and_split.
1896 (*avx512f_permvar_truncv8siv8hi_1): Ditto.
1897 (*avx512f_vpermvar_truncv8div8si_1): Ditto.
1898 (*avx512f_permvar_truncv32hiv32qi_1): Ditto.
1899 (*avx512f_permvar_truncv16hiv16qi_1): Ditto.
1900 (*avx512f_permvar_truncv4div4si_1): Ditto.
1901 (*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
1902 (*avx512f_pshufb_truncv4siv4hi_1): Ditto.
1903 (*avx512f_pshufd_truncv2div2si_1): Ditto.
1905 2021-08-16 Kito Cheng <kito.cheng@sifive.com>
1907 * config/riscv/multilib-generator: Support code model option for
1909 * doc/install.texi: Add document of new option for
1910 --with-multilib-generator.
1912 2021-08-15 Clément Chigot <clement.chigot@atos.net>
1914 * config/rs6000/rs6000.c (xcoff_tls_exec_model_detected): New.
1915 (rs6000_legitimize_tls_address_aix): Use it.
1916 (rs6000_xcoff_file_end): Add ".ref __tls_get_addr" when
1917 xcoff_tls_exec_model_detected is true.
1919 2021-08-15 Jeff Law <jlaw@localhost.localdomain>
1921 * config/h8300/h8300.c (shift_alg_si): Retune H8/300H shifts
1922 to allow a bit more code growth, saving many dozens of cycles.
1923 (h8300_option_override): Adjus shift_alg_si if optimizing for
1925 (get_shift_alg): Use special + inline shifts for residuals
1928 2021-08-14 Stafford Horne <shorne@gmail.com>
1931 * config/or1k/or1k-opts.h: New file.
1932 * config/or1k/or1k.c (or1k_legitimize_address_1, print_reloc):
1933 Support generating gotha relocations if -mcmodel=large is
1935 * config/or1k/or1k.h (TARGET_CMODEL_SMALL, TARGET_CMODEL_LARGE):
1937 * config/or1k/or1k.opt (mcmodel=): New option.
1938 * doc/invoke.texi (OpenRISC Options): Document mcmodel.
1940 2021-08-14 Martin Sebor <msebor@redhat.com>
1942 PR middle-end/101791
1943 * gimple-ssa-warn-access.cc (new_delete_mismatch_p): Use new argument
1944 to valid_new_delete_pair_p.
1945 * tree.c (valid_new_delete_pair_p): Add argument.
1946 * tree.h (valid_new_delete_pair_p): Same.
1948 2021-08-14 Jakub Jelinek <jakub@redhat.com>
1951 * config/i386/i386-expand.c (expand_vec_perm_broadcast_1)
1952 <case E_V64QImode>: For this mode assert
1953 !TARGET_AVX512BW || d->perm[0] rather than !TARGET_AVX2 || d->perm[0].
1955 2021-08-13 Michael Meissner <meissner@linux.ibm.com>
1958 * config/rs6000/altivec.md (xxeval): Use register_predicate
1959 instead of altivec_register_predicate.
1961 2021-08-13 Martin Sebor <msebor@redhat.com>
1963 PR middle-end/101734
1964 * tree-ssa-uninit.c (maybe_warn_read_write_only): New function.
1965 (maybe_warn_operand): Call it.
1967 2021-08-13 Martin Liska <mliska@suse.cz>
1970 * attribs.c (decl_attributes): Make naked functions "noipa"
1973 2021-08-13 Martin Liska <mliska@suse.cz>
1976 * symtab.c (symtab_node::noninterposable_alias): Do not create
1977 local aliases for target_clone functions as the clonning pass
1980 2021-08-13 Martin Liska <mliska@suse.cz>
1982 * opts.c (LIVE_PATCHING_OPTION): Define.
1983 (control_options_for_live_patching): Use it in error messages.
1985 2021-08-13 Jan Hubicka <hubicka@ucw.cz>
1987 * ipa-modref.c (dump_eaf_flags): Dump EAF_NOREAD.
1988 (implicit_const_eaf_flags, implicit_pure_eaf_flags,
1989 ignore_stores_eaf_flags): New constants.
1990 (remove_useless_eaf_flags): New function.
1991 (eaf_flags_useful_p): Use it.
1992 (deref_flags): Add EAF_NOT_RETURNED if flag is unused;
1994 (modref_lattice::init): Add EAF_NOREAD.
1995 (modref_lattice::add_escape_point): Do not reacord escape point if
1997 (modref_lattice::merge): EAF_NOESCAPE implies EAF_NODIRECTESCAPE;
1998 use remove_useless_eaf_flags.
1999 (modref_lattice::merge_deref): Use ignore_stores_eaf_flags.
2000 (modref_lattice::merge_direct_load): Add EAF_NOREAD
2001 (analyze_ssa_name_flags): Fix handling EAF_NOT_RETURNED
2002 (analyze_parms): Use remove_useless_eaf_flags.
2003 (ipa_merge_modref_summary_after_inlining): Use ignore_stores_eaf_flags.
2004 (modref_merge_call_site_flags): Add caller and ecf_flags parameter;
2005 use remove_useless_eaf_flags.
2006 (modref_propagate_flags_in_scc): Update.
2007 * ipa-modref.h: Turn eaf_flags_t back to char.
2008 * tree-core.h (EAF_NOT_RETURNED): Fix.
2009 (EAF_NOREAD): New constant
2010 * tree-ssa-alias.c: (ref_maybe_used_by_call_p_1): Check for
2012 * tree-ssa-structalias.c (handle_rhs_call): Handle new flags.
2013 (handle_pure_call): Likewise.
2015 2021-08-12 Jakub Jelinek <jakub@redhat.com>
2017 * tree.def (OMP_MASKED): New tree code.
2018 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
2019 * tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
2020 OMP_CLAUSE_FILTER_EXPR): Define.
2021 * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
2022 (omp_clause_code_name): Likewise.
2023 (walk_tree_1): Handle OMP_CLAUSE_FILTER.
2024 * tree-nested.c (convert_nonlocal_omp_clauses,
2025 convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
2026 (convert_nonlocal_reference_stmt, convert_local_reference_stmt,
2027 convert_gimple_call): Handle GIMPLE_OMP_MASTER.
2028 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
2029 (dump_generic_node): Handle OMP_MASTER.
2030 * gimple.def (GIMPLE_OMP_MASKED): New gimple code.
2031 * gimple.c (gimple_build_omp_masked): New function.
2032 (gimple_copy): Handle GIMPLE_OMP_MASKED.
2033 * gimple.h (gimple_build_omp_masked): Declare.
2034 (gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
2035 (gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
2036 gimple_omp_masked_set_clauses): New inline functions.
2037 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
2038 * gimple-pretty-print.c (dump_gimple_omp_masked): New function.
2039 (pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
2040 * gimple-walk.c (walk_gimple_stmt): Likewise.
2041 * gimple-low.c (lower_stmt): Likewise.
2042 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
2043 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER. For clauses
2044 that take one expression rather than decl or constant, force
2045 gimplification of that into a SSA_NAME or temporary unless min
2047 (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
2048 (gimplify_expr): Handle OMP_MASKED.
2049 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
2050 (estimate_num_insns): Likewise.
2051 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
2052 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED. Adjust
2053 diagnostics for existence of masked construct.
2054 (scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
2055 diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
2056 * omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
2059 2021-08-12 Uroš Bizjak <ubizjak@gmail.com>
2062 * config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
2063 (ldexp<mode>3): Use avx512f_scalef<mode>2.
2064 (UNSPEC_SCALEF): Move from ...
2065 * config/i386/sse.md (UNSPEC_SCALEF): ... here.
2067 2021-08-12 Jan Hubicka <hubicka@ucw.cz>
2069 * ipa-split.c (consider_split): Fix condition testing void functions.
2071 2021-08-12 Aldy Hernandez <aldyh@redhat.com>
2073 * doc/invoke.texi: Remove docs for threader-mode param.
2074 * flag-types.h (enum threader_mode): Remove.
2075 * params.opt: Remove threader-mode param.
2076 * tree-ssa-threadbackward.c (class back_threader): Remove
2077 path_is_unreachable_p.
2078 Make find_paths private.
2079 Add maybe_thread and thread_through_all_blocks.
2080 Remove reference marker for m_registry.
2081 Remove reference marker for m_profit.
2082 (back_threader::back_threader): Adjust for registry and profit not
2084 (dump_path): Move down.
2086 (class thread_jumps): Remove.
2087 (class back_threader_registry): Remove m_all_paths.
2089 (thread_jumps::thread_through_all_blocks): Move to back_threader
2091 (fsm_find_thread_path): Remove
2092 (back_threader::maybe_thread): New.
2093 (back_threader::thread_through_all_blocks): Move from
2095 (back_threader_registry::back_threader_registry): Remove
2097 (back_threader_registry::~back_threader_registry): Remove.
2098 (thread_jumps::find_taken_edge): Remove.
2099 (thread_jumps::check_subpath_and_update_thread_path): Remove.
2100 (thread_jumps::maybe_register_path): Remove.
2101 (thread_jumps::handle_phi): Remove.
2102 (handle_assignment_p): Remove.
2103 (thread_jumps::handle_assignment): Remove.
2104 (thread_jumps::fsm_find_control_statement_thread_paths): Remove.
2105 (thread_jumps::find_jump_threads_backwards): Remove.
2106 (thread_jumps::find_jump_threads_backwards_with_ranger): Remove.
2107 (try_thread_blocks): Rename find_jump_threads_backwards to
2109 (pass_early_thread_jumps::execute): Same.
2111 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
2113 * tree-core.h (omp_clause_proc_bind_kind): Add
2114 OMP_CLAUSE_PROC_BIND_PRIMARY.
2115 * tree-pretty-print.c (dump_omp_clause): Add TODO comment to
2116 change 'master' to 'primary' in proc_bind for OpenMP 5.1.
2118 2021-08-12 Claudiu Zissulescu <claziss@synopsys.com>
2120 * common/config/arc/arc-common.c (arc_option_init_struct): Remove
2121 fno-common reference.
2122 * config/arc/arc.c (arc_override_options): Remove overriding of
2125 2021-08-12 Jakub Jelinek <jakub@redhat.com>
2128 * config/i386/i386-expand.c (ix86_expand_vec_one_operand_perm_avx512):
2129 If d->testing_p, return true after performing checks instead of
2130 actually expanding the insn.
2131 (expand_vec_perm_broadcast_1): Handle V32HImode - assert
2132 !TARGET_AVX512BW and return false.
2134 2021-08-12 Eric Botcazou <ebotcazou@gcc.gnu.org>
2136 * configure.ac (PE linker --disable-dynamicbase support): New check.
2137 * configure: Regenerate.
2138 * config.in: Likewise.
2139 * config/i386/mingw32.h (LINK_SPEC_DISABLE_DYNAMICBASE): New define.
2140 (LINK_SPEC): Use it.
2141 * config/i386/mingw-w64.h (LINK_SPEC_DISABLE_DYNAMICBASE): Likewise.
2142 (LINK_SPEC): Likewise.
2144 2021-08-12 liuhongt <hongtao.liu@intel.com>
2147 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_2): New
2148 post_reload define_insn_and_split.
2149 (*avx512bw_zero_extendv32qiv32hi2_2): Ditto.
2150 (*sse4_1_zero_extendv8qiv8hi2_4): Ditto.
2151 (*avx512f_zero_extendv16hiv16si2_2): Ditto.
2152 (*avx2_zero_extendv8hiv8si2_2): Ditto.
2153 (*sse4_1_zero_extendv4hiv4si2_4): Ditto.
2154 (*avx512f_zero_extendv8siv8di2_2): Ditto.
2155 (*avx2_zero_extendv4siv4di2_2): Ditto.
2156 (*sse4_1_zero_extendv2siv2di2_4): Ditto.
2157 (VI248_256, VI248_512, VI148_512, VI148_256, VI148_128): New
2160 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
2162 * config/rs6000/rs6000-builtin-new.def: Add always, power5, and
2165 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
2167 * config/rs6000/rs6000-builtin-new.def: Add vsx stanza.
2169 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
2171 * config/rs6000/rs6000-builtin-new.def: Finish altivec stanza.
2172 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Move
2173 initialization of pcvoid_type_node here...
2174 (altivec_init_builtins): ...from here.
2175 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add
2176 RS6000_BTI_const_ptr_void.
2177 (pcvoid_type_node): New macro.
2179 2021-08-11 Richard Biener <rguenther@suse.de>
2182 * tree-ssa-forwprop.c (pass_forwprop::execute): Do not decompose
2183 hard-register accesses.
2185 2021-08-11 Richard Biener <rguenther@suse.de>
2187 * tree-ssa-operands.c (operands_scanner::get_expr_operands):
2188 Do not look at COMPONENT_REF FIELD_DECLs TREE_THIS_VOLATILE
2189 to determine has_volatile_ops.
2191 2021-08-11 Eric Botcazou <ebotcazou@gcc.gnu.org>
2193 * cfgexpand.c (expand_used_vars): Reuse attribs local variable.
2195 2021-08-11 Jan Hubicka <hubicka@ucw.cz>
2196 Alexandre Oliva <oliva@adacore.com>
2198 * ipa-modref.c (modref_lattice::dump): Fix escape_point's min_flags
2200 (modref_lattice::merge_deref): Fix handling of indirect scape points.
2201 (update_escape_summary_1): Likewise.
2202 (update_escape_summary): Likewise.
2203 (ipa_merge_modref_summary_after_inlining): Likewise.
2205 2021-08-11 Richard Biener <rguenther@suse.de>
2207 PR middle-end/101858
2208 * fold-const.c (fold_binary_loc): Guard simplification
2209 of X < (cast) (1 << Y) to integer types.
2211 2021-08-11 Richard Biener <rguenther@suse.de>
2213 PR tree-optimization/101861
2214 * tree-vect-stmts.c (vectorizable_load): Fix error in
2215 previous change with regard to gather vectorization.
2217 2021-08-11 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2220 * config/arm/arm_neon.h (vdup_n_s8): Replace call to builtin
2222 (vdup_n_s16): Likewise.
2223 (vdup_n_s32): Likewise.
2224 (vdup_n_s64): Likewise.
2225 (vdup_n_u8): Likewise.
2226 (vdup_n_u16): Likewise.
2227 (vdup_n_u32): Likewise.
2228 (vdup_n_u64): Likewise.
2229 (vdup_n_p8): Likewise.
2230 (vdup_n_p16): Likewise.
2231 (vdup_n_p64): Likewise.
2232 (vdup_n_f16): Likewise.
2233 (vdup_n_f32): Likewise.
2234 (vdupq_n_s8): Likewise.
2235 (vdupq_n_s16): Likewise.
2236 (vdupq_n_s32): Likewise.
2237 (vdupq_n_s64): Likewise.
2238 (vdupq_n_u8): Likewise.
2239 (vdupq_n_u16): Likewise.
2240 (vdupq_n_u32): Likewise.
2241 (vdupq_n_u64): Likewise.
2242 (vdupq_n_p8): Likewise.
2243 (vdupq_n_p16): Likewise.
2244 (vdupq_n_p64): Likewise.
2245 (vdupq_n_f16): Likewise.
2246 (vdupq_n_f32): Likewise.
2247 (vmov_n_s8): Replace call to builtin with call to corresponding
2249 (vmov_n_s16): Likewise.
2250 (vmov_n_s32): Likewise.
2251 (vmov_n_s64): Likewise.
2252 (vmov_n_u8): Likewise.
2253 (vmov_n_u16): Likewise.
2254 (vmov_n_u32): Likewise.
2255 (vmov_n_u64): Likewise.
2256 (vmov_n_p8): Likewise.
2257 (vmov_n_p16): Likewise.
2258 (vmov_n_f16): Likewise.
2259 (vmov_n_f32): Likewise.
2260 (vmovq_n_s8): Likewise.
2261 (vmovq_n_s16): Likewise.
2262 (vmovq_n_s32): Likewise.
2263 (vmovq_n_s64): Likewise.
2264 (vmovq_n_u8): Likewise.
2265 (vmovq_n_u16): Likewise.
2266 (vmovq_n_u32): Likewise.
2267 (vmovq_n_u64): Likewise.
2268 (vmovq_n_p8): Likewise.
2269 (vmovq_n_p16): Likewise.
2270 (vmovq_n_f16): Likewise.
2271 (vmovq_n_f32): Likewise.
2272 * config/arm/arm_neon_builtins.def: Remove entries for vdup_n.
2274 2021-08-11 liuhongt <hongtao.liu@intel.com>
2277 * config/i386/i386.md (ldexp<mode>3): Extend to vscalefs[sd]
2278 when TARGET_AVX512F and TARGET_SSE_MATH.
2280 2021-08-10 Jakub Jelinek <jakub@redhat.com>
2283 * config/i386/i386-expand.c (expand_vec_perm_even_odd): Return false
2284 for V32HImode if !TARGET_AVX512BW.
2285 (ix86_vectorize_vec_perm_const) <case E_V32HImode, case E_V64QImode>:
2286 If !TARGET_AVX512BW and TARGET_AVX512F and d.testing_p, don't fail
2287 early, but actually check the permutation.
2289 2021-08-10 Richard Biener <rguenther@suse.de>
2291 PR tree-optimization/101809
2292 * tree-vect-stmts.c (get_load_store_type): Allow emulated
2293 gathers with offset vector nunits being a constant multiple
2294 of the data vector nunits.
2295 (vect_get_gather_scatter_ops): Use the appropriate nunits
2296 for the offset vector defs.
2297 (vectorizable_store): Adjust call to
2298 vect_get_gather_scatter_ops.
2299 (vectorizable_load): Likewise. Handle the case of less
2300 offset vectors than data vectors.
2302 2021-08-10 Jakub Jelinek <jakub@redhat.com>
2305 * config/i386/sse.md (*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1,
2306 *avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): New define_insn
2309 2021-08-10 Richard Biener <rguenther@suse.de>
2311 PR tree-optimization/101801
2312 PR tree-optimization/101819
2313 * tree-vectorizer.h (vect_emulated_vector_p): Declare.
2314 * tree-vect-loop.c (vect_emulated_vector_p): New function.
2315 (vectorizable_reduction): Re-instantiate a check for emulated
2317 * tree-vect-stmts.c (vectorizable_shift): Likewise.
2318 (vectorizable_operation): Likewise. Cost emulated vector
2319 operations according to the scalar sequence synthesized by
2322 2021-08-10 Richard Biener <rguenther@suse.de>
2324 PR middle-end/101824
2325 * tree-nested.c (get_frame_field): Mark the COMPONENT_REF as
2326 volatile in case the variable was.
2328 2021-08-10 H.J. Lu <hjl.tools@gmail.com>
2331 * config/i386/constraints.md (BC): Document for integer SSE
2332 constant all bits set operand.
2333 (BF): New constraint for const floating-point all bits set
2335 * config/i386/i386.c (standard_sse_constant_p): Likewise.
2336 (standard_sse_constant_opcode): Likewise.
2337 * config/i386/sse.md (sseconstm1): New mode attribute.
2338 (mov<mode>_internal): Replace BC with <sseconstm1>.
2340 2021-08-10 liuhongt <hongtao.liu@intel.com>
2342 * config/i386/sse.md (cond_<insn><mode>): New expander.
2343 (VI248_AVX512VLBW): New mode iterator.
2344 * config/i386/predicates.md
2345 (nonimmediate_or_const_vec_dup_operand): New predicate.
2347 2021-08-09 Andrew MacLeod <amacleod@redhat.com>
2349 PR tree-optimization/101741
2350 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Check
2351 type of parameter for toupper/tolower.
2353 2021-08-09 Martin Jambor <mjambor@suse.cz>
2356 * ipa-prop.c (propagate_controlled_uses): Removed a spurious space.
2358 2021-08-09 Pat Haugen <pthaugen@linux.ibm.com>
2360 * config/rs6000/rs6000.c (is_load_insn1): Verify destination is a
2362 (is_store_insn1): Verify source is a register.
2364 2021-08-09 Uroš Bizjak <ubizjak@gmail.com>
2367 * config/i386/mmx.md (<any_logic:code>v2sf3):
2368 Rename from *mmx_<any_logic:code>v2sf3
2370 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2372 * config/nvptx/nvptx.c: Cross-reference parts adapted in
2373 'gcc/omp-oacc-neuter-broadcast.cc'.
2374 * omp-low.c: Likewise.
2375 * omp-oacc-neuter-broadcast.cc: Cross-reference parts adapted from
2378 2021-08-09 Julian Brown <julian@codesourcery.com>
2379 Kwok Cheung Yeung <kcy@codesourcery.com>
2380 Thomas Schwinge <thomas@codesourcery.com>
2382 * config/gcn/gcn.c (gcn_init_builtins): Override decls for
2383 BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START,
2384 BUILT_IN_GOACC_SINGLE_COPY_END and BUILT_IN_GOACC_BARRIER.
2385 (gcn_goacc_validate_dims): Turn on worker partitioning unconditionally.
2386 (gcn_fork_join): Update comment.
2387 * config/gcn/gcn.opt (flag_worker_partitioning): Remove.
2388 (macc_experimental_workers): Remove unused option.
2390 2021-08-09 Julian Brown <julian@codesourcery.com>
2391 Nathan Sidwell <nathan@codesourcery.com> (via 'gcc/config/nvptx/nvptx.c' master)
2392 Kwok Cheung Yeung <kcy@codesourcery.com>
2393 Thomas Schwinge <thomas@codesourcery.com>
2395 * Makefile.in (OBJS): Add omp-oacc-neuter-broadcast.o.
2396 * doc/tm.texi.in (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD):
2397 Add documentation hook.
2398 * doc/tm.texi: Regenerate.
2399 * omp-oacc-neuter-broadcast.cc: New file.
2400 * omp-builtins.def (BUILT_IN_GOACC_BARRIER)
2401 (BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START)
2402 (BUILT_IN_GOACC_SINGLE_COPY_END): New builtins.
2403 * passes.def (pass_omp_oacc_neuter_broadcast): Add pass.
2404 * target.def (goacc.create_worker_broadcast_record): Add target
2406 * tree-pass.h (make_pass_omp_oacc_neuter_broadcast): Add
2408 * config/gcn/gcn-protos.h (gcn_goacc_adjust_propagation_record):
2409 Rename prototype to...
2410 (gcn_goacc_create_worker_broadcast_record): ... this.
2411 * config/gcn/gcn-tree.c (gcn_goacc_adjust_propagation_record): Rename
2413 (gcn_goacc_create_worker_broadcast_record): ... this.
2414 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_PROPAGATION_RECORD):
2416 (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD): ... this.
2418 2021-08-09 Tejas Belagod <tejas.belagod@arm.com>
2421 * config/aarch64/aarch64-simd.md (vlshr<mode>3, vashr<mode>3): Use
2424 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2426 * Makefile.in (GTFILES): Remove '$(srcdir)/omp-offload.c'.
2428 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2430 * builtins.def (DEF_GOACC_BUILTIN, DEF_GOMP_BUILTIN): Don't
2431 consider '-foffload-abi'.
2432 * common.opt (-foffload-abi): Remove 'Var', 'Init'.
2433 * opts.c (common_handle_option) <-foffload-abi> [ACCEL_COMPILER]:
2436 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2438 * optc-gen.awk: Sanity check that 'Init' doesn't appear without
2441 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2443 * omp-builtins.def (BUILT_IN_ACC_GET_DEVICE_TYPE): Remove.
2445 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2447 * doc/gty.texi (Files): Update.
2449 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2451 * doc/gty.texi (Files): Fix GTY header file example.
2453 2021-08-09 Roger Sayle <roger@nextmovesoftware.com>
2455 * tree-ssa-ccp.c (value_mask_to_min_max): Helper function to
2456 determine the upper and lower bounds from a mask-value pair.
2457 (bit_value_unop) [ABS_EXPR, ABSU_EXPR]: Add support for
2458 absolute value and unsigned absolute value expressions.
2459 (bit_value_binop): Initialize *VAL's precision.
2460 [LT_EXPR, LE_EXPR]: Use value_mask_to_min_max to determine
2461 upper and lower bounds of operands. Add LE_EXPR/GE_EXPR
2462 support when the operands are unknown but potentially equal.
2463 [MIN_EXPR, MAX_EXPR]: Support minimum/maximum expressions.
2465 2021-08-09 Bin Cheng <bin.cheng@linux.alibaba.com>
2467 * config/aarch64/aarch64.md
2468 (*extend<SHORT:mode><GPI:mode>2_aarch64): Use %<GPI:w>0.
2470 2021-08-08 Sergei Trofimovich <siarheit@google.com>
2472 * lra-constraints.c: Fix s/otput/output/ typo.
2474 2021-08-06 Martin Sebor <msebor@redhat.com>
2476 * builtins.c (expand_builtin_memchr): Move to gimple-ssa-warn-access.cc.
2477 (expand_builtin_strcat): Same.
2478 (expand_builtin_stpncpy): Same.
2479 (expand_builtin_strncat): Same.
2480 (check_read_access): Same.
2481 (check_memop_access): Same.
2482 (expand_builtin_strlen): Move checks to gimple-ssa-warn-access.cc.
2483 (expand_builtin_strnlen): Same.
2484 (expand_builtin_memcpy): Same.
2485 (expand_builtin_memmove): Same.
2486 (expand_builtin_mempcpy): Same.
2487 (expand_builtin_strcpy): Same.
2488 (expand_builtin_strcpy_args): Same.
2489 (expand_builtin_stpcpy_1): Same.
2490 (expand_builtin_strncpy): Same.
2491 (expand_builtin_memset): Same.
2492 (expand_builtin_bzero): Same.
2493 (expand_builtin_strcmp): Same.
2494 (expand_builtin_strncmp): Same.
2495 (expand_builtin): Remove handlers.
2496 (fold_builtin_strlen): Add a comment.
2497 * builtins.h (check_access): Move to gimple-ssa-warn-access.cc.
2498 * calls.c (maybe_warn_nonstring_arg): Same.
2499 * diagnostic-spec.c (nowarn_spec_t::nowarn_spec_t): Add warning option.
2500 * gimple-fold.c (gimple_fold_builtin_strcpy): Pass argument to callee.
2501 (gimple_fold_builtin_stpcpy): Same.
2502 * gimple-ssa-warn-access.cc (has_location): New function.
2503 (get_location): Same.
2504 (get_callee_fndecl): Same.
2507 (warn_string_no_nul): Define.
2508 (unterminated_array): Same.
2509 (check_nul_terminated_array): Same.
2510 (maybe_warn_nonstring_arg): Same.
2511 (maybe_warn_for_bound): Same.
2512 (warn_for_access): Same.
2513 (check_access): Same.
2514 (check_memop_access): Same.
2515 (check_read_access): Same.
2516 (warn_dealloc_offset): Use helper functions.
2517 (maybe_emit_free_warning): Same.
2518 (class pass_waccess): Add members.
2519 (check_strcat): New function.
2520 (check_strncat): New function.
2521 (check_stxcpy): New function.
2522 (check_stxncpy): New function.
2523 (check_strncmp): New function.
2524 (pass_waccess::check_builtin): New function.
2525 (pass_waccess::check): Call it.
2526 * gimple-ssa-warn-access.h (warn_string_no_nul): Move here from
2528 (maybe_warn_for_bound): Same.
2529 (check_access): Same.
2530 (check_memop_access): Same.
2531 (check_read_access): Same.
2532 * pointer-query.h (struct access_data): Define a ctor overload.
2534 2021-08-06 Richard Biener <rguenther@suse.de>
2536 PR tree-optimization/101801
2537 * tree-vectorizer.h (vect_worthwhile_without_simd_p): Rename...
2538 (vect_can_vectorize_without_simd_p): ... to this.
2539 * tree-vect-loop.c (vect_worthwhile_without_simd_p): Rename...
2540 (vect_can_vectorize_without_simd_p): ... to this and fold
2541 in vect_min_worthwhile_factor.
2542 (vect_min_worthwhile_factor): Remove.
2543 (vectorizable_reduction): Adjust and remove the cost part.
2544 * tree-vect-stmts.c (vectorizable_shift): Likewise.
2545 (vectorizable_operation): Likewise.
2547 2021-08-06 Uroš Bizjak <ubizjak@gmail.com>
2550 * config/i386/i386.md (cmove reg-to-reg move elimination peephole2s):
2551 Add general_gr_operand predicate to operand 3.
2553 2021-08-06 Roger Sayle <roger@nextmovesoftware.com>
2555 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern): Use
2556 CFN_BUILT_IN_CLRSB* instead of BUILT_IN_CLRSB* for consistency.
2558 2021-08-06 Tamar Christina <tamar.christina@arm.com>
2560 * config/aarch64/aarch64-sve-builtins.cc (register_svpattern,
2561 register_svprfop): Pass vec<> by pointer.
2562 * langhooks-def.h (lhd_simulate_enum_decl): Likewise.
2563 * langhooks.c (lhd_simulate_enum_decl): Likewise.
2564 * langhooks.h (struct lang_hooks_for_types): Likewise.
2566 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2568 * config/aarch64/arm_neon.h (vst1_bf16_x2): Use
2569 __builtin_memcpy instead of constructing an additional
2570 __builtin_aarch64_simd_oi one vector at a time.
2571 (vst1q_bf16_x2): Likewise.
2572 (vst1_bf16_x3): Use __builtin_memcpy instead of constructing
2573 an additional __builtin_aarch64_simd_ci one vector at a time.
2574 (vst1q_bf16_x3): Likewise.
2575 (vst1_bf16_x4): Use __builtin_memcpy instead of a union.
2576 (vst1q_bf16_x4): Likewise.
2577 (vst2_bf16): Use __builtin_memcpy instead of constructing an
2578 additional __builtin_aarch64_simd_oi one vector at a time.
2579 (vst2q_bf16): Likewise.
2580 (vst3_bf16): Use __builtin_memcpy instead of constructing an
2581 additional __builtin_aarch64_simd_ci mode one vector at a
2583 (vst3q_bf16): Likewise.
2584 (vst4_bf16): Use __builtin_memcpy instead of constructing an
2585 additional __builtin_aarch64_simd_xi one vector at a time.
2586 (vst4q_bf16): Likewise.
2588 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2590 * config/aarch64/arm_neon.h (__ST2_LANE_FUNC): Delete.
2591 (__ST2Q_LANE_FUNC): Delete.
2592 (vst2_lane_f16): Use __builtin_memcpy to copy vector
2593 structure instead of constructing __builtin_aarch64_simd_oi
2594 one vector at a time.
2595 (vst2_lane_f32): Likewise.
2596 (vst2_lane_f64): Likewise.
2597 (vst2_lane_p8): Likewise.
2598 (vst2_lane_p16): Likewise.
2599 (vst2_lane_p64): Likewise.
2600 (vst2_lane_s8): Likewise.
2601 (vst2_lane_s16): Likewise.
2602 (vst2_lane_s32): Likewise.
2603 (vst2_lane_s64): Likewise.
2604 (vst2_lane_u8): Likewise.
2605 (vst2_lane_u16): Likewise.
2606 (vst2_lane_u32): Likewise.
2607 (vst2_lane_u64): Likewise.
2608 (vst2_lane_bf16): Likewise.
2609 (vst2q_lane_f16): Use __builtin_memcpy to copy vector
2610 structure instead of using a union.
2611 (vst2q_lane_f32): Likewise.
2612 (vst2q_lane_f64): Likewise.
2613 (vst2q_lane_p8): Likewise.
2614 (vst2q_lane_p16): Likewise.
2615 (vst2q_lane_p64): Likewise.
2616 (vst2q_lane_s8): Likewise.
2617 (vst2q_lane_s16): Likewise.
2618 (vst2q_lane_s32): Likewise.
2619 (vst2q_lane_s64): Likewise.
2620 (vst2q_lane_u8): Likewise.
2621 (vst2q_lane_u16): Likewise.
2622 (vst2q_lane_u32): Likewise.
2623 (vst2q_lane_u64): Likewise.
2624 (vst2q_lane_bf16): Likewise.
2626 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2628 * config/aarch64/arm_neon.h (__ST3_LANE_FUNC): Delete.
2629 (__ST3Q_LANE_FUNC): Delete.
2630 (vst3_lane_f16): Use __builtin_memcpy to copy vector
2631 structure instead of constructing __builtin_aarch64_simd_ci
2632 one vector at a time.
2633 (vst3_lane_f32): Likewise.
2634 (vst3_lane_f64): Likewise.
2635 (vst3_lane_p8): Likewise.
2636 (vst3_lane_p16): Likewise.
2637 (vst3_lane_p64): Likewise.
2638 (vst3_lane_s8): Likewise.
2639 (vst3_lane_s16): Likewise.
2640 (vst3_lane_s32): Likewise.
2641 (vst3_lane_s64): Likewise.
2642 (vst3_lane_u8): Likewise.
2643 (vst3_lane_u16): Likewise.
2644 (vst3_lane_u32): Likewise.
2645 (vst3_lane_u64): Likewise.
2646 (vst3_lane_bf16): Likewise.
2647 (vst3q_lane_f16): Use __builtin_memcpy to copy vector
2648 structure instead of using a union.
2649 (vst3q_lane_f32): Likewise.
2650 (vst3q_lane_f64): Likewise.
2651 (vst3q_lane_p8): Likewise.
2652 (vst3q_lane_p16): Likewise.
2653 (vst3q_lane_p64): Likewise.
2654 (vst3q_lane_s8): Likewise.
2655 (vst3q_lane_s16): Likewise.
2656 (vst3q_lane_s32): Likewise.
2657 (vst3q_lane_s64): Likewise.
2658 (vst3q_lane_u8): Likewise.
2659 (vst3q_lane_u16): Likewise.
2660 (vst3q_lane_u32): Likewise.
2661 (vst3q_lane_u64): Likewise.
2662 (vst3q_lane_bf16): Likewise.
2664 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2666 * config/aarch64/arm_neon.h (__ST4_LANE_FUNC): Delete.
2667 (__ST4Q_LANE_FUNC): Delete.
2668 (vst4_lane_f16): Use __builtin_memcpy to copy vector
2669 structure instead of constructing __builtin_aarch64_simd_xi
2670 one vector at a time.
2671 (vst4_lane_f32): Likewise.
2672 (vst4_lane_f64): Likewise.
2673 (vst4_lane_p8): Likewise.
2674 (vst4_lane_p16): Likewise.
2675 (vst4_lane_p64): Likewise.
2676 (vst4_lane_s8): Likewise.
2677 (vst4_lane_s16): Likewise.
2678 (vst4_lane_s32): Likewise.
2679 (vst4_lane_s64): Likewise.
2680 (vst4_lane_u8): Likewise.
2681 (vst4_lane_u16): Likewise.
2682 (vst4_lane_u32): Likewise.
2683 (vst4_lane_u64): Likewise.
2684 (vst4_lane_bf16): Likewise.
2685 (vst4q_lane_f16): Use __builtin_memcpy to copy vector
2686 structure instead of using a union.
2687 (vst4q_lane_f32): Likewise.
2688 (vst4q_lane_f64): Likewise.
2689 (vst4q_lane_p8): Likewise.
2690 (vst4q_lane_p16): Likewise.
2691 (vst4q_lane_p64): Likewise.
2692 (vst4q_lane_s8): Likewise.
2693 (vst4q_lane_s16): Likewise.
2694 (vst4q_lane_s32): Likewise.
2695 (vst4q_lane_s64): Likewise.
2696 (vst4q_lane_u8): Likewise.
2697 (vst4q_lane_u16): Likewise.
2698 (vst4q_lane_u32): Likewise.
2699 (vst4q_lane_u64): Likewise.
2700 (vst4q_lane_bf16): Likewise.
2702 2021-08-06 Martin Liska <mliska@suse.cz>
2704 * config/rs6000/rs6000.c (rs6000_option_override_internal): When
2705 a target option is restored, it can have
2706 rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode
2707 and error should not be emitted.
2709 2021-08-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
2711 * gcov-io.h (gcov_write): Declare.
2712 * gcov-io.c (gcov_write): New.
2713 (gcov_write_counter): Remove.
2714 (gcov_write_tag_length): Likewise.
2715 (gcov_write_summary): Replace gcov_write_tag_length() with calls to
2716 gcov_write_unsigned().
2717 * doc/invoke.texi (fprofile-info-section): Mention
2718 __gcov_info_to_gdca().
2720 2021-08-06 Martin Sebor <msebor@redhat.com>
2722 * dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
2723 arguments to by-reference.
2724 (iterate_fix_dominators): Same.
2725 * dominance.h (iterate_fix_dominators): Same.
2726 * ipa-prop.h: Call auto_vec::to_vec_legacy.
2727 * tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
2728 arguments to by-reference.
2729 (debug_data_dependence_relation): Same.
2730 (dump_data_dependence_relations): Same.
2731 * tree-data-ref.h (debug_data_dependence_relation): Same.
2732 (dump_data_dependence_relations): Same.
2733 * tree-predcom.c (dump_chains): Same.
2734 (initialize_root_vars_lm): Same.
2735 (determine_unroll_factor): Same.
2736 (replace_phis_by_defined_names): Same.
2737 (insert_init_seqs): Same.
2738 (pcom_worker::tree_predictive_commoning_loop): Call
2739 auto_vec::to_vec_legacy.
2740 * tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
2741 arguments to by-reference.
2742 * tree-ssa-threadbackward.c (populate_worklist): Same.
2743 (back_threader::resolve_def): Same.
2744 * tree-vect-data-refs.c (vect_check_nonzero_value): Same.
2745 (vect_enhance_data_refs_alignment): Same.
2746 (vect_check_lower_bound): Same.
2747 (vect_prune_runtime_alias_test_list): Same.
2748 (vect_permute_store_chain): Same.
2749 * tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
2750 * tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
2751 * tree-vectorizer.h (vect_permute_store_chain): Same.
2752 * vec.c (test_init): New function.
2753 (vec_c_tests): Call new function.
2754 * vec.h (vec): Declare ctors, dtor, and assignment.
2755 (auto_vec::vec_to_legacy): New function.
2756 (vec::copy): Adjust initialization.
2758 2021-08-05 H.J. Lu <hjl.tools@gmail.com>
2761 * config/i386/i386.c (ix86_can_inline_p): Ignore MASK_80387 if
2762 callee only uses GPRs.
2763 * config/i386/ia32intrin.h: Revert commit 5463cee2770.
2764 * config/i386/serializeintrin.h: Revert commit 71958f740f1.
2765 * config/i386/x86gprintrin.h: Add
2766 #pragma GCC target("general-regs-only") and #pragma GCC pop_options
2767 to disable non-GPR ISAs.
2769 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
2771 PR middle-end/101787
2772 * doc/md.texi (cond_ashl, cond_ashr, cond_lshr): Document.
2774 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
2776 * tree-vectorizer.h (vect_is_store_elt_extraction, vect_is_reduction)
2777 (vect_reduc_type, vect_embedded_comparison_type, vect_comparison_type)
2778 (vect_is_extending_load, vect_is_integer_truncation): New functions,
2779 moved from aarch64.c but given different names.
2780 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction)
2781 (aarch64_is_reduction, aarch64_reduc_type)
2782 (aarch64_embedded_comparison_type, aarch64_comparison_type)
2783 (aarch64_extending_load_p, aarch64_integer_truncation_p): Delete
2784 in favor of the above. Update callers accordingly.
2786 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
2789 * config/arm/arm-cpus.in (generic-armv7-a): Add quirk to suppress
2790 writing .cpu directive in asm output.
2791 * config/arm/arm.c (arm_identify_fpu_from_isa): New variable.
2792 (arm_last_printed_arch_string): Delete.
2793 (arm_last-printed_fpu_string): Delete.
2794 (arm_configure_build_target): If use of floating-point/SIMD is
2795 disabled, remove all fp/simd related features from the target ISA.
2796 (last_arm_targ_options): New variable.
2797 (arm_print_asm_arch_directives): Add new parameters. Change order
2798 of emitted directives and handle all cases here.
2799 (arm_file_start): Always call arm_print_asm_arch_directives, move
2800 all generation of .arch/.arch_extension here.
2801 (arm_file_end): Call arm_print_asm_arch.
2802 (arm_declare_function_name): Call arm_print_asm_arch_directives
2803 instead of printing .arch/.fpu directives directly.
2805 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
2807 * config/arm/arm.c (arm_configure_build_target): Don't call
2808 arm_option_reconfigure_globals.
2809 (arm_option_restore): Call arm_option_reconfigure_globals after
2810 reconfiguring the target.
2811 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
2813 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
2815 * config/arm/arm.c (arm_configure_build_target): Ensure the target's
2816 arch_name is always set.
2818 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
2820 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
2821 of vec_select high-half from being added into Neon subtract
2824 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
2826 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
2827 of vec_select high-half from being added into Neon add cost.
2829 2021-08-05 Kewen Lin <linkw@linux.ibm.com>
2831 * cfgloop.h (loops_list::loops_list): Add one optional argument
2832 root and adjust accordingly, update loop tree walking and factor
2834 * cfgloop.c (loops_list::walk_loop_tree): ... this. New function.
2836 2021-08-05 Eric Botcazou <ebotcazou@gcc.gnu.org>
2838 PR tree-optimization/101626
2839 * tree-sra.c (propagate_subaccesses_from_rhs): Do not set the
2840 reverse scalar storage order on a pointer or vector component.
2842 2021-08-05 liuhongt <hongtao.liu@intel.com>
2844 * config/i386/sse.md (cond_<code><mode>): New expander.
2846 2021-08-05 liuhongt <hongtao.liu@intel.com>
2848 * config/i386/sse.md (cond_<code><mode>): New expander.
2850 2021-08-05 liuhongt <hongtao.liu@intel.com>
2852 * config/i386/sse.md (cond_<code><mode>): New expander.
2854 2021-08-04 David Malcolm <dmalcolm@redhat.com>
2857 * Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
2859 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
2862 * config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
2863 only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
2865 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
2868 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
2869 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
2870 data with SSE register from one memory location to another.
2872 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2874 * config/s390/s390.c (expand_perm_with_vpdi): New function.
2875 (vectorize_vec_perm_const_1): Call expand_perm_with_vpdi.
2876 * config/s390/vector.md (*vpdi1<mode>, @vpdi1<mode>): Enable a
2877 parameterized expander.
2878 (*vpdi4<mode>, @vpdi4<mode>): Likewise.
2880 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2882 * config/s390/s390.c (MAX_VECT_LEN): Define macro.
2883 (struct expand_vec_perm_d): Define struct.
2884 (expand_perm_with_merge): New function.
2885 (vectorize_vec_perm_const_1): New function.
2886 (s390_vectorize_vec_perm_const): New function.
2887 (TARGET_VECTORIZE_VEC_PERM_CONST): Define target macro.
2889 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2891 * config/s390/vector.md (V_HW_64): Remove mode iterator.
2892 (*vec_load_pair<mode>): Use V_HW_2 instead of V_HW_64.
2893 * config/s390/vx-builtins.md
2894 (vec_scatter_element<V_HW_2:mode>_SI): Use V_HW_2 instead of
2897 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2899 * config/s390/s390.md (UNSPEC_VEC_PERMI): Remove constant
2901 * config/s390/vector.md (*vpdi1<mode>, *vpdi4<mode>): New pattern
2903 * config/s390/vx-builtins.md (*vec_permi<mode>): Emit generic rtx
2904 instead of an unspec.
2906 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2908 * config/s390/s390-modes.def: Add more vector modes to support
2909 concatenation of two vectors.
2910 * config/s390/s390-protos.h (s390_expand_merge_perm_const): Add
2912 (s390_expand_merge): Likewise.
2913 * config/s390/s390.c (s390_expand_merge_perm_const): New function.
2914 (s390_expand_merge): New function.
2915 * config/s390/s390.md (UNSPEC_VEC_MERGEH, UNSPEC_VEC_MERGEL):
2916 Remove constant definitions.
2917 * config/s390/vector.md (V_HW_2): Add mode iterators.
2918 (VI_HW_4, V_HW_4): Rename VI_HW_4 to V_HW_4.
2919 (vec_2x_nelts, vec_2x_wide): New mode attributes.
2920 (*vmrhb, *vmrlb, *vmrhh, *vmrlh, *vmrhf, *vmrlf, *vmrhg, *vmrlg):
2921 New pattern definitions.
2922 (vec_widen_umult_lo_<mode>, vec_widen_umult_hi_<mode>)
2923 (vec_widen_smult_lo_<mode>, vec_widen_smult_hi_<mode>)
2924 (vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf, vec_unpacks_lo_v2df)
2925 (vec_unpacks_hi_v2df): Adjust expanders to emit non-unspec RTX for
2927 * config/s390/vx-builtins.md (V_HW_4): Remove mode iterator. Now
2929 (vec_mergeh<mode>, vec_mergel<mode>): Use s390_expand_merge to
2930 emit vec merge pattern.
2932 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
2934 * config/aarch64/aarch64.c (aarch64_strip_extend_vec_half):
2936 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent cost of
2937 vec_select high-half from being added into Neon multiply
2939 * rtlanal.c (vec_series_highpart_p): Define.
2940 * rtlanal.h (vec_series_highpart_p): Declare.
2942 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
2944 * config/aarch64/aarch64.c (aarch64_strip_duplicate_vec_elt):
2946 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent
2947 vec_select cost from being added into Neon multiply cost.
2949 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
2951 * tree-vect-loop.c (vect_better_loop_vinfo_p): Detect cases in
2952 which old_loop_vinfo is an epilogue loop that handles a constant
2953 number of iterations.
2955 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
2957 * tree-vect-loop.c (vect_analyze_loop): Print a dump message
2958 when a reanalyzed loop fails to be cheaper than the current
2961 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
2963 * config/aarch64/aarch64.c: Fix a typo.
2965 2021-08-04 Vincent Lefèvre <vincent-gcc@vinc17.net>
2967 PR gcov-profile/101773
2968 * gcov-io.c (gcov_close): Check return code of a fclose.
2970 2021-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
2973 * dwarf2out.c (dwarf2out_assembly_start): Emit a dummy
2974 .file statement when needed.
2976 2021-08-04 Richard Biener <rguenther@suse.de>
2978 * tree-vect-data-refs.c (vect_check_gather_scatter):
2979 Include widening conversions only when the result is
2980 still handed by native gather or the current offset
2981 size not already matches the data size.
2982 Also succeed analysis in case there's no native support,
2983 noted by a IFN_LAST ifn and a NULL decl.
2984 (vect_analyze_data_refs): Always consider gathers.
2985 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
2986 Test for no IFN gather rather than decl gather.
2987 * tree-vect-stmts.c (vect_model_load_cost): Pass in the
2988 gather-scatter info and cost emulated gathers accordingly.
2989 (vect_truncate_gather_scatter_offset): Properly test for
2991 (vect_use_strided_gather_scatters_p): Likewise.
2992 (get_load_store_type): Handle emulated gathers and its
2994 (vectorizable_load): Likewise. Emulate them by extracting
2995 scalar offsets, doing scalar loads and a vector construct.
2997 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
3000 * expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
3001 argument to set m_max_size.
3002 (move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
3003 (store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
3004 (compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
3006 2021-08-04 Roger Sayle <roger@nextmovesoftware.com>
3007 Marc Glisse <marc.glisse@inria.fr>
3009 * match.pd (bit_ior, bit_xor): Canonicalize (X*C1)|(X*C2) and
3010 (X*C1)^(X*C2) as X*(C1+C2), and related variants, using
3011 tree_nonzero_bits to ensure that operands are bit-wise disjoint.
3013 2021-08-04 Richard Biener <rguenther@suse.de>
3015 * tree-ssa-forwprop.c (pass_forwprop::execute): Split
3016 out code to decompose vector loads ...
3017 (optimize_vector_load): ... here. Generalize it to
3018 handle intermediate widening and TARGET_MEM_REF loads
3019 and apply it to loads with a supported vector mode as well.
3021 2021-08-04 Richard Biener <rguenther@suse.de>
3023 PR tree-optimization/101756
3024 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Make sure
3025 the result of the reduction epilogue is compatible to the original
3028 2021-08-04 liuhongt <hongtao.liu@intel.com>
3031 * config/i386/i386.md (peephole2): Refine predicate from
3032 register_operand to general_reg_operand.
3034 2021-08-04 Aldy Hernandez <aldyh@redhat.com>
3036 * gimple-range-path.h (path_range_query::dump): Mark override.
3038 2021-08-04 Richard Biener <rguenther@suse.de>
3040 PR tree-optimization/101769
3041 * tree-tailcall.c (eliminate_tail_call): Add the created loop
3042 for the first recursion and return it via the new output parameter.
3043 (optimize_tail_call): Pass through new output param.
3044 (tree_optimize_tail_calls_1): After creating all latches,
3045 add the created loop to the loop tree. Do not mark loops for fixup.
3047 2021-08-04 Martin Liska <mliska@suse.cz>
3049 * doc/invoke.texi: Document threader-mode param.
3051 2021-08-04 liuhongt <hongtao.liu@intel.com>
3053 * config/i386/sse.md (cond_fma<mode>): New expander.
3054 (cond_fms<mode>): Ditto.
3055 (cond_fnma<mode>): Ditto.
3056 (cond_fnms<mode>): Ditto.
3058 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
3060 * config/rs6000/vsx.md (*vsx_le_perm_store_<mode>): Use && instead of &.
3062 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
3064 * config/rs6000/constraints.md: Remove "e" from the list of available
3065 constraint characters.
3067 2021-08-03 Eugene Rozenfeld <erozen@microsoft.com>
3069 PR gcov-profile/71672
3070 * auto-profile.c (afdo_indirect_call): Fix setup of the historgram value for indirect calls.
3072 2021-08-03 Paul A. Clarke <pc@us.ibm.com>
3074 * config/rs6000/smmintrin.h (_mm_minpos_epu16): New.
3076 2021-08-03 H.J. Lu <hjl.tools@gmail.com>
3078 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): In 64-bit mode,
3079 try XMM31 to avoid vzeroupper.
3081 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3083 * doc/invoke.texi: Document -mtune=neoverse-512tvb and
3084 -mcpu=neoverse-512tvb.
3085 * config/aarch64/aarch64-cores.def (neoverse-512tvb): New entry.
3086 * config/aarch64/aarch64-tune.md: Regenerate.
3087 * config/aarch64/aarch64.c (neoverse512tvb_sve_vector_cost)
3088 (neoverse512tvb_sve_issue_info, neoverse512tvb_vec_issue_info)
3089 (neoverse512tvb_vector_cost, neoverse512tvb_tunings): New structures.
3090 (aarch64_adjust_body_cost_sve): Handle -mtune=neoverse-512tvb.
3091 (aarch64_adjust_body_cost): Likewise.
3093 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3095 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Only
3096 record issue information for operations that occur in the
3099 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3101 * config/aarch64/aarch64.c (aarch64_multiply_add_p): Add a vec_flags
3102 parameter. Detect cases in which an Advanced SIMD MLA would almost
3103 certainly require a MOV.
3104 (aarch64_count_ops): Update accordingly.
3106 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3108 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction): New
3109 function, split out from...
3110 (aarch64_detect_vector_stmt_subtype): ...here.
3111 (aarch64_add_stmt_cost): Treat extracting element 0 as free.
3113 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3115 * config/aarch64/aarch64-protos.h (sve_vec_cost):
3116 Add gather_load_x32_cost and gather_load_x64_cost.
3117 * config/aarch64/aarch64.c (generic_sve_vector_cost)
3118 (a64fx_sve_vector_cost, neoversev1_sve_vector_cost): Update
3119 accordingly, using the values given by the scalar_load * number
3120 of elements calculation that we used previously.
3121 (aarch64_detect_vector_stmt_subtype): Use the new fields.
3123 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3125 * config/aarch64/aarch64.c (aarch64_adjust_body_cost_sve): New
3126 function, split out from...
3127 (aarch64_adjust_body_cost): ...here.
3129 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3131 * config/aarch64/fractional-cost.h: New file.
3132 * config/aarch64/aarch64.c: Include <algorithm> (indirectly)
3133 and cost_fraction.h.
3134 (vec_cost_fraction): New typedef.
3135 (aarch64_detect_scalar_stmt_subtype): Use it for statement costs.
3136 (aarch64_detect_vector_stmt_subtype): Likewise.
3137 (aarch64_sve_adjust_stmt_cost, aarch64_adjust_stmt_cost): Likewise.
3138 (aarch64_estimate_min_cycles_per_iter): Use vec_cost_fraction
3140 (aarch64_adjust_body_cost): Likewise.
3141 (aarch64_test_cost_fraction): New function.
3142 (aarch64_run_selftests): Call it.
3144 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3146 * config/aarch64/aarch64-protos.h (tune_params::sve_width): Turn
3148 * config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Update
3150 (aarch64_estimated_poly_value): Likewise. Use the least significant
3151 set bit for the minimum and likely values. Use the most significant
3152 set bit for the maximum value.
3154 2021-08-03 liuhongt <hongtao.liu@intel.com>
3156 * config/i386/sse.md (cond_<insn><mode>): New expander.
3157 (cond_mul<mode>): Ditto.
3159 2021-08-03 Kewen Lin <linkw@linux.ibm.com>
3161 * tree-cfg.c (move_sese_region_to_fn): Fix typos on dloop.
3163 2021-08-03 liuhongt <hongtao.liu@intel.com>
3165 * config/i386/sse.md (cond_<insn><mode>):New expander.
3166 (cond_mul<mode>): Ditto.
3167 (cond_div<mode>): Ditto.
3169 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
3171 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Also
3172 check stack_realign_needed for stack realignment.
3173 (ix86_legitimate_constant_p): Always allow CONST_WIDE_INT smaller
3174 than the largest integer supported by vector register.
3175 * config/i386/i386.h (MAX_MOVE_MAX): New. Set to 64.
3176 (MOVE_MAX): Set to bytes of the largest integer supported by
3178 (STORE_MAX_PIECES): New.
3180 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
3182 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
3183 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
3184 data from one memory location to another.
3186 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
3189 * config/i386/i386.c (TARGET_GEN_MEMSET_SCRATCH_RTX): New.
3191 2021-08-02 Aldy Hernandez <aldyh@redhat.com>
3193 PR tree-optimization/101724
3194 * params.opt: Remove --param=threader-iterative.
3195 * tree-ssa-threadbackward.c (pass_thread_jumps::execute): Remove
3198 2021-08-02 Tom de Vries <tdevries@suse.de>
3200 PR middle-end/101665
3201 * doc/extend.texi (nonnull attribute): Improve documentation.
3203 2021-08-02 Andrew Pinski <apinski@marvell.com>
3205 PR rtl-optimization/101683
3206 * rtlanal.c (may_trap_p_1): Handle UNSIGNED_FIX.
3208 2021-08-02 Roger Sayle <roger@nextmovesoftware.com>
3210 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern):
3211 Renamed from cond_removal_in_popcount_clz_ctz_pattern.
3212 Add support for BSWAP, FFS, PARITY and CLRSB builtins.
3213 (tree_ssa_phiop_worker): Update call to function above.
3215 2021-08-01 H.J. Lu <hjl.tools@gmail.com>
3218 * config/i386/i386.md (bsr_rex64_1_zext): New.
3219 (combine splitter for constant - clzll): Replace gen_bsr_rex64_1
3220 with gen_bsr_rex64_1_zext.
3222 2021-07-31 Jakub Jelinek <jakub@redhat.com>
3225 * config/i386/i386.md (bsr_rex64_1, bsr_1, bsr_zext_1): New
3226 define_insn patterns.
3227 (*bsr_rex64_2, *bsr_2): New define_insn_and_split patterns.
3228 Add combine splitters for constant - clz.
3229 (clz<mode>2): Use a temporary pseudo for bsr result.
3231 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
3233 * config/rs6000/smmintrin.h (_mm_floor_pd, _mm_floor_ps,
3234 _mm_floor_sd, _mm_floor_ss): New.
3236 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
3238 * config/rs6000/smmintrin.h (_mm_ceil_pd, _mm_ceil_ps,
3239 _mm_ceil_sd, _mm_ceil_ss): New.
3241 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
3243 * config/rs6000/smmintrin.h (_mm_blend_pd, _mm_blendv_pd,
3244 _mm_blend_ps, _mm_blendv_ps): New.
3246 2021-07-30 Roger Sayle <roger@nextmovesoftware.com>
3247 Uroš Bizjak <ubizjak@gmail.com>
3249 * config/i386/i386.md (*dec_cmov<mode>): New define_insn_and_split
3250 to generate a conditional move using the carry flag after sub $1.
3251 (peephole2): Eliminate a register-to-register move by inverting
3252 the condition of a conditional move.
3254 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
3256 * config/mmix/mmix.md ("call", "call_value", "*call_real")
3257 ("*call_value_real"): Don't generate rtx mentioning the generic
3258 operands 1 and 2 to "call", and similarly for "call_value".
3259 * config/mmix/mmix.c (mmix_print_operand_punct_valid_p)
3260 (mmix_print_operand): Use '!' instead of 'p'.
3262 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
3264 * doc/md.texi (call): Correct information about operand 2.
3265 * config/mmix/mmix.md ("call", "call_value"): Remove fixed FIXMEs.
3267 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
3269 * range-op.cc (operator_trunc_mod::wi_fold): Fold constants.
3271 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
3273 * range-op.cc (operator_div::wi_fold): Return UNDEFINED for [0, 0] divisor.
3275 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
3277 * gimple-range-cache.cc (*::set_bb_range): Change const basic_block to
3279 (*::get_bb_range): Ditto.
3280 (*::bb_range_p): Ditto.
3281 * gimple-range-cache.h: Change prototypes.
3283 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
3286 * builtins.c (builtin_memcpy_read_str): Change the mode argument
3287 from scalar_int_mode to fixed_size_mode.
3288 (builtin_strncpy_read_str): Likewise.
3289 (gen_memset_value_from_prev): New function.
3290 (builtin_memset_read_str): Change the mode argument from
3291 scalar_int_mode to fixed_size_mode. Use gen_memset_value_from_prev
3292 and support CONST_VECTOR.
3293 (builtin_memset_gen_str): Likewise.
3294 (try_store_by_multiple_pieces): Use by_pieces_constfn to declare
3296 * builtins.h (builtin_strncpy_read_str): Replace scalar_int_mode
3297 with fixed_size_mode.
3298 (builtin_memset_read_str): Likewise.
3299 * expr.c (widest_int_mode_for_size): Renamed to ...
3300 (widest_fixed_size_mode_for_size): Add a bool argument to
3301 indicate if QI vector mode can be used.
3302 (by_pieces_ninsns): Call widest_fixed_size_mode_for_size
3303 instead of widest_int_mode_for_size.
3304 (pieces_addr::adjust): Change the mode argument from
3305 scalar_int_mode to fixed_size_mode.
3306 (op_by_pieces_d): Make m_len read-only. Add a bool member,
3307 m_qi_vector_mode, to indicate that QI vector mode can be used.
3308 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
3309 initialize m_qi_vector_mode. Call widest_fixed_size_mode_for_size
3310 instead of widest_int_mode_for_size.
3311 (op_by_pieces_d::get_usable_mode): Change the mode argument from
3312 scalar_int_mode to fixed_size_mode. Call
3313 widest_fixed_size_mode_for_size instead of
3314 widest_int_mode_for_size.
3315 (op_by_pieces_d::smallest_fixed_size_mode_for_size): New member
3316 function to return the smallest integer or QI vector mode.
3317 (op_by_pieces_d::run): Call widest_fixed_size_mode_for_size
3318 instead of widest_int_mode_for_size. Call
3319 smallest_fixed_size_mode_for_size instead of
3320 smallest_int_mode_for_size.
3321 (store_by_pieces_d::store_by_pieces_d): Add a bool argument to
3322 indicate that QI vector mode can be used and pass it to
3323 op_by_pieces_d::op_by_pieces_d.
3324 (can_store_by_pieces): Call widest_fixed_size_mode_for_size
3325 instead of widest_int_mode_for_size. Pass memsetp to
3326 widest_fixed_size_mode_for_size to support QI vector mode.
3327 Allow all CONST_VECTORs for memset if vec_duplicate is supported.
3328 (store_by_pieces): Pass memsetp to
3329 store_by_pieces_d::store_by_pieces_d.
3330 (clear_by_pieces_1): Removed.
3331 (clear_by_pieces): Replace clear_by_pieces_1 with
3332 builtin_memset_read_str and pass true to store_by_pieces_d to
3333 support vector mode broadcast.
3334 (string_cst_read_str): Change the mode argument from
3335 scalar_int_mode to fixed_size_mode.
3336 * expr.h (by_pieces_constfn): Change scalar_int_mode to
3338 (by_pieces_prev): Likewise.
3339 * rtl.h (lowpart_subreg_regno): New.
3340 * rtlanal.c (lowpart_subreg_regno): New. A wrapper around
3341 simplify_subreg_regno.
3342 * target.def (gen_memset_scratch_rtx): New hook.
3343 * doc/tm.texi.in: Add TARGET_GEN_MEMSET_SCRATCH_RTX.
3344 * doc/tm.texi: Regenerated.
3346 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
3349 * config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
3350 TARGET_EXPR instead of MODIFY_EXPR.
3352 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
3355 * config/mips/mips-protos.h (mips_expand_vec_cmp_expr): Declare.
3356 * config/mips/mips.c (mips_expand_vec_cmp_expr): New function.
3357 * config/mips/mips-msa.md (vec_cmp<MSA:mode><mode_i>): New
3359 (vec_cmpu<IMSA:mode><mode_i>): New expander.
3361 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
3364 * config/i386/i386-options.c (ix86_option_override_internal):
3365 Don't enable LZCNT/POPCNT if they have been disabled explicitly.
3367 2021-07-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
3370 * config/arm/arm_neon.h (vld1_p64): Replace call to builtin by
3371 explicitly dereferencing __a.
3372 (vld1_s64): Likewise.
3373 (vld1_u64): Likewise.
3374 * config/arm/arm_neon_builtins.def (vld1): Remove entry for di
3375 and change to VAR13.
3377 2021-07-30 Aldy Hernandez <aldyh@redhat.com>
3379 * gimple-loop-versioning.cc (lv_dom_walker::lv_dom_walker): Remove
3380 use of m_range_analyzer.
3381 (loop_versioning::lv_dom_walker::before_dom_children): Same.
3382 (loop_versioning::lv_dom_walker::after_dom_children): Remove.
3383 (loop_versioning::prune_loop_conditions): Replace vr_values use
3384 with range_query interface.
3385 (pass_loop_versioning::execute): Use ranger.
3387 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
3390 * ipa-devirt.c (ipa_odr_read_section): Compare the precision of
3391 enum values, and emit a warning if they mismatch.
3393 2021-07-30 Kewen Lin <linkw@linux.ibm.com>
3395 * cfgloop.h (as_const): New function.
3396 (class loop_iterator): Rename to ...
3397 (class loops_list): ... this.
3398 (loop_iterator::next): Rename to ...
3399 (loops_list::Iter::fill_curr_loop): ... this and adjust.
3400 (loop_iterator::loop_iterator): Rename to ...
3401 (loops_list::loops_list): ... this and adjust.
3402 (loops_list::Iter): New class.
3403 (loops_list::iterator): New type.
3404 (loops_list::const_iterator): New type.
3405 (loops_list::begin): New function.
3406 (loops_list::end): Likewise.
3407 (loops_list::begin const): Likewise.
3408 (loops_list::end const): Likewise.
3409 (FOR_EACH_LOOP): Remove.
3410 (FOR_EACH_LOOP_FN): Remove.
3411 * cfgloop.c (flow_loops_dump): Adjust FOR_EACH_LOOP* with range-based
3412 for loop with loops_list instance.
3413 (sort_sibling_loops): Likewise.
3414 (disambiguate_loops_with_multiple_latches): Likewise.
3415 (verify_loop_structure): Likewise.
3416 * cfgloopmanip.c (create_preheaders): Likewise.
3417 (force_single_succ_latches): Likewise.
3418 * config/aarch64/falkor-tag-collision-avoidance.c
3419 (execute_tag_collision_avoidance): Likewise.
3420 * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Likewise.
3421 * config/s390/s390.c (s390_adjust_loops): Likewise.
3422 * doc/loop.texi: Likewise.
3423 * gimple-loop-interchange.cc (pass_linterchange::execute): Likewise.
3424 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
3425 * gimple-loop-versioning.cc (loop_versioning::analyze_blocks): Likewise.
3426 (loop_versioning::make_versioning_decisions): Likewise.
3427 * gimple-ssa-split-paths.c (split_paths): Likewise.
3428 * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise.
3429 * graphite.c (canonicalize_loop_form): Likewise.
3430 (graphite_transform_loops): Likewise.
3431 * ipa-fnsummary.c (analyze_function_body): Likewise.
3432 * ipa-pure-const.c (analyze_function): Likewise.
3433 * loop-doloop.c (doloop_optimize_loops): Likewise.
3434 * loop-init.c (loop_optimizer_finalize): Likewise.
3435 (fix_loop_structure): Likewise.
3436 * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
3437 (move_loop_invariants): Likewise.
3438 * loop-unroll.c (decide_unrolling): Likewise.
3439 (unroll_loops): Likewise.
3440 * modulo-sched.c (sms_schedule): Likewise.
3441 * predict.c (predict_loops): Likewise.
3442 (pass_profile::execute): Likewise.
3443 * profile.c (branch_prob): Likewise.
3444 * sel-sched-ir.c (sel_finish_pipelining): Likewise.
3445 (sel_find_rgns): Likewise.
3446 * tree-cfg.c (replace_loop_annotate): Likewise.
3447 (replace_uses_by): Likewise.
3448 (move_sese_region_to_fn): Likewise.
3449 * tree-if-conv.c (pass_if_conversion::execute): Likewise.
3450 * tree-loop-distribution.c (loop_distribution::execute): Likewise.
3451 * tree-parloops.c (parallelize_loops): Likewise.
3452 * tree-predcom.c (tree_predictive_commoning): Likewise.
3453 * tree-scalar-evolution.c (scev_initialize): Likewise.
3454 (scev_reset): Likewise.
3455 * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
3456 * tree-ssa-live.c (remove_unused_locals): Likewise.
3457 * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
3458 * tree-ssa-loop-im.c (analyze_memory_references): Likewise.
3459 (tree_ssa_lim_initialize): Likewise.
3460 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
3461 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Likewise.
3462 * tree-ssa-loop-manip.c (get_loops_exits): Likewise.
3463 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Likewise.
3464 (free_numbers_of_iterations_estimates): Likewise.
3465 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3466 * tree-ssa-loop-split.c (tree_ssa_split_loops): Likewise.
3467 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Likewise.
3468 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3469 (pass_scev_cprop::execute): Likewise.
3470 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
3471 * tree-ssa-sccvn.c (do_rpo_vn): Likewise.
3472 * tree-ssa-threadupdate.c
3473 (jump_thread_path_registry::thread_through_all_blocks): Likewise.
3474 * tree-vectorizer.c (vectorize_loops): Likewise.
3475 * tree-vrp.c (vrp_asserts::find_assert_locations): Likewise.
3477 2021-07-29 Hans-Peter Nilsson <hp@bitrange.com>
3479 * config/mmix/mmix.c (mmix_function_arg_1): Avoid
3480 generating a VOIDmode register for e.g the
3481 function_arg_info::end_marker.
3483 2021-07-29 Jeff Law <jeffreyalaw@gmail.com>
3485 * config/h8300/h8300-modes.def: Add CCZ, CCV and CCC, drop CCZNV.
3486 * config/h8300/h8300.md (H8cc mode iterator): Add CCZ.
3487 (cc mode_attr): Similarly.
3488 (ccz subst_attr): Similarly.
3489 * config/h8300/jumpcall.md: Add new patterns for branch-on-bit.
3490 * config/h8300/testcompare.md: Remove various cc0 based patterns
3491 that had been commented out. Add pattern to set CCZ from a bit
3494 2021-07-29 Thomas Schwinge <thomas@codesourcery.com>
3495 Julian Brown <julian@codesourcery.com>
3496 Kwok Cheung Yeung <kcy@codesourcery.com>
3498 * omp-offload.c (oacc_loop_xform_head_tail, oacc_loop_process):
3499 'update_stmt' after modification.
3500 (pass_oacc_loop_designation): New function, extracted out of...
3501 (pass_oacc_device_lower): ... this.
3502 (pass_data_oacc_loop_designation, pass_oacc_loop_designation)
3503 (make_pass_oacc_loop_designation): New
3504 * passes.def: Add it.
3505 * tree-parloops.c (create_parallel_loop): Adjust.
3506 * tree-pass.h (make_pass_oacc_loop_designation): New.
3508 2021-07-29 Aldy Hernandez <aldyh@redhat.com>
3510 * flag-types.h (enum threader_mode): New.
3511 * params.opt: Add entry for --param=threader-mode.
3512 * tree-ssa-threadbackward.c (THREADER_ITERATIVE_MODE): New.
3513 (class back_threader): New.
3514 (back_threader::back_threader): New.
3515 (back_threader::~back_threader): New.
3516 (back_threader::maybe_register_path): New.
3517 (back_threader::find_taken_edge): New.
3518 (back_threader::find_taken_edge_switch): New.
3519 (back_threader::find_taken_edge_cond): New.
3520 (back_threader::resolve_def): New.
3521 (back_threader::resolve_phi): New.
3522 (back_threader::find_paths_to_names): New.
3523 (back_threader::find_paths): New.
3526 (thread_jumps::find_jump_threads_backwards): Call ranger threader.
3527 (thread_jumps::find_jump_threads_backwards_with_ranger): New.
3528 (pass_thread_jumps::execute): Abstract out code...
3529 (try_thread_blocks): ...here.
3530 * tree-ssa-threadedge.c (jump_threader::thread_outgoing_edges):
3531 Abstract out threading candidate code to...
3532 (single_succ_to_potentially_threadable_block): ...here.
3533 * tree-ssa-threadedge.h (single_succ_to_potentially_threadable_block):
3535 * tree-ssa-threadupdate.c (register_jump_thread): Return boolean.
3536 * tree-ssa-threadupdate.h (class jump_thread_path_registry):
3537 Return bool from register_jump_thread.
3539 2021-07-29 Andreas Krebbel <krebbel@linux.ibm.com>
3541 * target.def: in0 and in1 do not need to be registers.
3542 * doc/tm.texi: Regenerate.
3544 2021-07-29 liuhongt <hongtao.liu@intel.com>
3547 * config/i386/i386.c (ix86_widen_mult_cost): New function.
3548 (ix86_add_stmt_cost): Use ix86_widen_mult_cost for
3551 2021-07-29 Jiufu Guo <guojiufu@linux.ibm.com>
3554 * config/rs6000/rs6000.c (TARGET_PREFERRED_DOLOOP_MODE): New hook.
3555 (rs6000_preferred_doloop_mode): New hook.
3556 * doc/tm.texi: Regenerate.
3557 * doc/tm.texi.in: Add hook preferred_doloop_mode.
3558 * target.def (preferred_doloop_mode): New hook.
3559 * targhooks.c (default_preferred_doloop_mode): New hook.
3560 * targhooks.h (default_preferred_doloop_mode): New hook.
3561 * tree-ssa-loop-ivopts.c (compute_doloop_base_on_mode): New function.
3562 (add_iv_candidate_for_doloop): Call targetm.preferred_doloop_mode
3563 and compute_doloop_base_on_mode.
3565 2021-07-28 Martin Sebor <msebor@redhat.com>
3567 PR middle-end/101494
3568 * tree-ssa-uninit.c (maybe_warn_operand): Correct object offset
3569 and size computation.
3571 2021-07-28 Martin Sebor <msebor@redhat.com>
3573 PR middle-end/101601
3574 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Remove
3576 Handle pointers to functions.
3578 2021-07-28 Martin Sebor <msebor@redhat.com>
3580 * Makefile.in (OBJS): Add gimple-ssa-warn-access.o and pointer-query.o.
3581 * attribs.h (fndecl_dealloc_argno): Move fndecl_dealloc_argno to tree.h.
3582 * builtins.c (compute_objsize_r): Move to pointer-query.cc.
3583 (access_ref::access_ref): Same.
3584 (access_ref::phi): Same.
3585 (access_ref::get_ref): Same.
3586 (access_ref::size_remaining): Same.
3587 (access_ref::offset_in_range): Same.
3588 (access_ref::add_offset): Same.
3589 (access_ref::inform_access): Same.
3590 (ssa_name_limit_t::visit_phi): Same.
3591 (ssa_name_limit_t::leave_phi): Same.
3592 (ssa_name_limit_t::next): Same.
3593 (ssa_name_limit_t::next_phi): Same.
3594 (ssa_name_limit_t::~ssa_name_limit_t): Same.
3595 (pointer_query::pointer_query): Same.
3596 (pointer_query::get_ref): Same.
3597 (pointer_query::put_ref): Same.
3598 (pointer_query::flush_cache): Same.
3599 (warn_string_no_nul): Move to gimple-ssa-warn-access.cc.
3600 (check_nul_terminated_array): Same.
3601 (unterminated_array): Same.
3602 (maybe_warn_for_bound): Same.
3603 (check_read_access): Same.
3604 (warn_for_access): Same.
3605 (get_size_range): Same.
3606 (check_access): Same.
3607 (gimple_call_alloc_size): Move to tree.c.
3608 (gimple_parm_array_size): Move to pointer-query.cc.
3609 (get_offset_range): Same.
3610 (gimple_call_return_array): Same.
3611 (handle_min_max_size): Same.
3612 (handle_array_ref): Same.
3613 (handle_mem_ref): Same.
3614 (compute_objsize): Same.
3615 (gimple_call_alloc_p): Move to gimple-ssa-warn-access.cc.
3616 (call_dealloc_argno): Same.
3617 (fndecl_dealloc_argno): Same.
3618 (new_delete_mismatch_p): Same.
3619 (matching_alloc_calls_p): Same.
3620 (warn_dealloc_offset): Same.
3621 (maybe_emit_free_warning): Same.
3622 * builtins.h (check_nul_terminated_array): Move to
3623 gimple-ssa-warn-access.h.
3624 (check_nul_terminated_array): Same.
3625 (warn_string_no_nul): Same.
3626 (unterminated_array): Same.
3627 (class ssa_name_limit_t): Same.
3628 (class pointer_query): Same.
3629 (struct access_ref): Same.
3630 (class range_query): Same.
3631 (struct access_data): Same.
3632 (gimple_call_alloc_size): Same.
3633 (gimple_parm_array_size): Same.
3634 (compute_objsize): Same.
3635 (class access_data): Same.
3636 (maybe_emit_free_warning): Same.
3637 * calls.c (initialize_argument_information): Remove call to
3638 maybe_emit_free_warning.
3639 * gimple-array-bounds.cc: Include new header..
3640 * gimple-fold.c: Same.
3641 * gimple-ssa-sprintf.c: Same.
3642 * gimple-ssa-warn-restrict.c: Same.
3643 * passes.def: Add pass_warn_access.
3644 * tree-pass.h (make_pass_warn_access): Declare.
3645 * tree-ssa-strlen.c: Include new headers.
3646 * tree.c (fndecl_dealloc_argno): Move here from builtins.c.
3647 * tree.h (fndecl_dealloc_argno): Move here from attribs.h.
3648 * gimple-ssa-warn-access.cc: New file.
3649 * gimple-ssa-warn-access.h: New file.
3650 * pointer-query.cc: New file.
3651 * pointer-query.h: New file.
3653 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3655 PR middle-end/101624
3656 * ubsan.c (maybe_instrument_pointer_overflow,
3657 instrument_object_size): Only test DECL_REGISTER on VAR_DECLs,
3658 PARM_DECLs or RESULT_DECLs.
3659 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Likewise.
3661 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3663 PR middle-end/101642
3664 * match.pd (bswap16 (x) == bswap16 (y)): Cast both operands
3665 to type of bswap16 for comparison.
3666 (bswap16 (x) == cst): Cast bswap16 operand to type of cst.
3668 2021-07-28 Richard Biener <rguenther@suse.de>
3670 PR tree-optimization/101615
3671 * tree-vect-slp.c (vect_optimize_slp): Materialize permutes
3672 at CTOR SLP graph entries.
3674 2021-07-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3676 * config/aarch64/aarch64.md (*extend<SHORT:mode><GPI:mode>2_aarch64):
3677 Add "r,w" alternative.
3679 2021-07-28 H.J. Lu <hjl.tools@gmail.com>
3682 * config/i386/i386.c (ix86_avx_u128_mode_needed): Don't set
3683 AVX_U128_DIRTY when all bits are zero.
3685 2021-07-28 Richard Biener <rguenther@suse.de>
3687 PR tree-optimization/101615
3688 * tree-vect-slp.c (vect_optimize_slp): Pre-existing vector
3689 external nodes cannot be permuted so make them perm_out 0.
3691 2021-07-28 Andrew Stubbs <ams@codesourcery.com>
3694 * config.in: Regenerate.
3695 * config/gcn/gcn-hsa.h (A_FIJI): New define.
3696 (A_900): New define.
3697 (A_906): New define.
3698 (A_908): New define.
3699 (ASM_SPEC): Use A_FIJI, A_900, A_906 and A_908.
3700 * config/gcn/gcn.c (output_file_start): Adjust attributes according
3701 to the assembler capabilities.
3702 * config/gcn/mkoffload.c (main): Likewise.
3703 * configure: Regenerate.
3704 * configure.ac: Add tests for LLVM assembler attribute features.
3706 2021-07-28 Andrew MacLeod <amacleod@redhat.com>
3708 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Check for
3709 cond_false and cond_true on branches.
3711 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
3713 * config/aarch64/aarch64.c (aarch64_gen_adjusted_ldpstp): use
3716 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
3718 * alias.c (init_alias_analysis): Don't skip prologue/epilogue.
3720 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3723 * config/i386/sse.md (vashr<mode>3): Split into vashrv8di3 expander
3724 and vashrv4di3 expander, where the latter requires just TARGET_AVX2
3725 and has special !TARGET_AVX512VL expansion.
3726 (vashrv2di3<mask_name>): Rename to ...
3727 (vashrv2di3): ... this. Change condition to TARGET_XOP || TARGET_AVX2
3728 and add special !TARGET_XOP && !TARGET_AVX512VL expansion.
3730 2021-07-28 Martin Uecker <muecker@gwdg.de>
3732 * calls.c (maybe_warn_rdwr_sizes): Correct argument
3733 numbers in warning that were switched.
3735 2021-07-28 Kewen Lin <linkw@linux.ibm.com>
3737 PR tree-optimization/101596
3738 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Fix wrong check
3739 by using new_type's precision instead.
3741 2021-07-28 liuhongt <hongtao.liu@intel.com>
3744 * config/i386/i386.h (processor_costs): Add new member
3746 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
3747 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
3748 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
3749 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
3750 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
3751 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
3752 generic_cost, core_cost): Initialize integer_to_sse same value
3754 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
3755 * config/i386/i386.c (ix86_builtin_vectorization_cost):
3756 Use integer_to_sse instead of sse_op to calculate the cost of
3759 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3761 * config/rs6000/rs6000-gen-builtins.c (write_ovld_static_init): New
3763 (write_init_file): Call write_ovld_static_init.
3765 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3767 * config/rs6000/rs6000-gen-builtins.c (write_bif_static_init): New
3769 (write_init_file): Call write_bif_static_init.
3771 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3773 * config/rs6000/rs6000-gen-builtins.c (typemap): New struct.
3774 (TYPE_MAP_SIZE): New macro.
3775 (type_map): New initialized variable.
3776 (typemap_cmp): New function.
3777 (write_type_node): Likewise.
3778 (write_fntype_init): Implement.
3780 2021-07-27 Martin Sebor <msebor@redhat.com>
3782 PR tree-optimization/101584
3783 * tree-ssa-uninit.c (builtin_call_nomodifying_p): New function.
3784 (check_defs): Call it.
3786 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
3788 * tree-ssa-dom.c (dom_jump_threader_simplifier):
3789 Put avail_exprs_stack in the class, instead of passing it to
3790 jump_threader_simplifier.
3791 (dom_jump_threader_simplifier::simplify): Add state argument.
3792 (dom_opt_dom_walker): Add state.
3793 (pass_dominator::execute): Pass state to threader.
3794 (dom_opt_dom_walker::before_dom_children): Use state.
3795 * tree-ssa-threadedge.c (jump_threader::jump_threader): Replace
3797 (jump_threader::record_temporary_equivalences_from_phis):
3798 Register equivalences through the state variable.
3799 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
3800 Record ranges in a statement through the state variable.
3801 (jump_threader::simplify_control_stmt_condition): Pass state to
3803 (jump_threader::simplify_control_stmt_condition_1): Same.
3804 (jump_threader::thread_around_empty_blocks): Remove obsolete
3806 (jump_threader::thread_through_normal_block): Record equivalences
3807 on edge through the state variable.
3808 (jump_threader::thread_across_edge): Abstract state pushing.
3809 (jt_state::jt_state): New.
3810 (jt_state::push): New.
3811 (jt_state::pop): New.
3812 (jt_state::register_equiv): New.
3813 (jt_state::record_ranges_from_stmt): New.
3814 (jt_state::register_equivs_on_edge): New.
3815 (jump_threader_simplifier::jump_threader_simplifier): Move from
3817 (jump_threader_simplifier::simplify): Add state argument.
3818 * tree-ssa-threadedge.h (class jt_state): New.
3819 (class jump_threader): Add state to constructor.
3820 (class jump_threader_simplifier): Add state to simplify. Remove
3821 avail_exprs_stack from class.
3822 * tree-vrp.c (vrp_jump_threader_simplifier::simplify): Add state
3824 (vrp_jump_threader::vrp_jump_threader): Add state.
3825 (vrp_jump_threader::~vrp_jump_threader): Cleanup state.
3827 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
3829 * Makefile.in (OBJS): Add gimple-range-path.o.
3830 * gimple-range-path.cc: New file.
3831 * gimple-range-path.h: New file.
3833 2021-07-27 Jonathan Wright <jonathan.wright@arm.com>
3835 * config/aarch64/aarch64-simd.md: Push sign/zero-extension
3836 inside vec_duplicate for all patterns.
3837 * simplify-rtx.c (simplify_context::simplify_unary_operation_1):
3838 Push sign/zero-extension inside vec_duplicate.
3840 2021-07-27 Richard Biener <rguenther@suse.de>
3842 PR tree-optimization/101573
3843 * tree-ssa-uninit.c (warn_uninit_phi_uses): New function
3844 looking at uninitialized PHI arg defs in some constrained cases.
3845 (warn_uninitialized_vars): Call it.
3846 (execute_early_warn_uninitialized): Calculate dominators.
3848 2021-07-27 Richard Biener <rguenther@suse.de>
3850 PR tree-optimization/39821
3851 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): Use
3852 vector_stmt for widening arithmetic.
3853 (vectorizable_conversion): Adjust.
3855 2021-07-27 Martin Jambor <mjambor@suse.cz>
3857 * cgraph.h (ipa_replace_map): New field force_load_ref.
3858 * ipa-prop.h (ipa_param_descriptor): Reduce precision of move_cost,
3859 aded new flag load_dereferenced, adjusted comments.
3860 (ipa_get_param_dereferenced): New function.
3861 (ipa_set_param_dereferenced): Likewise.
3862 * cgraphclones.c (cgraph_node::create_virtual_clone): Follow it.
3863 * ipa-cp.c: Include gimple.h.
3864 (ipcp_discover_new_direct_edges): Take into account dereferenced flag.
3865 (get_replacement_map): New parameter force_load_ref, set the
3866 appropriate flag in ipa_replace_map if set.
3867 (struct symbol_and_index_together): New type.
3868 (adjust_refs_in_act_callers): New function.
3869 (adjust_references_in_caller): Likewise.
3870 (create_specialized_node): When appropriate, call
3871 adjust_references_in_caller and force only load references.
3872 * ipa-prop.c (load_from_dereferenced_name): New function.
3873 (ipa_analyze_controlled_uses): Also detect loads from a
3874 dereference, harden testing of call statements.
3875 (ipa_write_node_info): Stream the dereferenced flag.
3876 (ipa_read_node_info): Likewise.
3877 (ipa_set_jf_constant): Also create refdesc when jump function
3878 references a variable.
3879 (cgraph_node_for_jfunc): Rename to symtab_node_for_jfunc, work
3880 also on references of variables and return a symtab_node. Adjust
3882 (propagate_controlled_uses): Also remove references to VAR_DECLs.
3884 2021-07-27 Jakub Jelinek <jakub@redhat.com>
3886 PR middle-end/101586
3887 * gimple-fold.c (clear_padding_type): Ignore FIELD_DECLs with byte
3888 positions above or equal to sz except for diagnostics of flexible
3891 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
3893 PR tree-optimization/78888
3894 * gimple-range-fold.cc (get_letter_range): New.
3895 (fold_using_range::range_of_builtin_call): Call get_letter_range.
3897 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
3899 PR tree-optimization/78888
3900 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Add cases
3901 for CFN_BUILT_IN_TOUPPER and CFN_BUILT_IN_TOLOWER.
3903 2021-07-26 Roger Sayle <roger@nextmovesoftware.com>
3904 Marc Glisse <marc.glisse@inria.fr>
3906 * match.pd (rotate): Simplify equality/inequality of rotations.
3907 (bswap): Simplify equality/inequality tests of byte swapping.
3909 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
3911 * range-op.cc (operator_bitwise_xor::op1_op2_relation_effect):
3914 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
3916 * range-op.cc (operator_lshift::fold_range): Pass rel to
3917 base class fold_range.
3918 (operator_rshift::fold_range): Same.
3920 2021-07-26 Ashimida <ashimida@linux.alibaba.com>
3923 * toplev.h (min_align_loops_log): Remove declaration.
3924 (min_align_jumps_log, min_align_labels_log): Likewise.
3925 (min_align_functions_log): Likewise.
3927 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
3929 * tree-vrp.c (vrp_simplify_cond_using_ranges): Rename vr_values
3931 (execute_vrp): Abstract out simplification of conditionals...
3932 (simplify_casted_conds): ...here.
3934 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
3936 * gimple-array-bounds.cc (array_bounds_checker::get_value_range):
3937 Add gimple argument.
3938 (array_bounds_checker::check_array_ref): Same.
3939 (array_bounds_checker::check_addr_expr): Same.
3940 (array_bounds_checker::check_array_bounds): Pass statement to
3941 check_array_bounds and check_addr_expr.
3942 * gimple-array-bounds.h (check_array_bounds): Add gimple argument.
3943 (check_addr_expr): Same.
3944 (get_value_range): Same.
3946 2021-07-26 Tamar Christina <tamar.christina@arm.com>
3948 * config/aarch64/aarch64-simd-builtins.def (sdot, udot): Rename to..
3949 (sdot_prod, udot_prod): ... This.
3950 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>): Merged
3952 (<sur>dot_prod<vsi2qi>): ... this.
3953 (aarch64_<sur>dot_lane<vsi2qi>, aarch64_<sur>dot_laneq<vsi2qi>):
3954 Change operands order.
3955 (<sur>sadv16qi): Use new operands order.
3956 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32,
3957 vdotq_s32): Use new RTL ordering.
3959 2021-07-26 Tamar Christina <tamar.christina@arm.com>
3961 * config/aarch64/aarch64-builtins.c (TYPES_TERNOP_SUSS,
3962 aarch64_types_ternop_suss_qualifiers): New.
3963 * config/aarch64/aarch64-simd-builtins.def (usdot_prod): Use it.
3964 * config/aarch64/aarch64-simd.md (usdot_prod<vsi2qi>): Re-organize RTL.
3965 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Use it.
3967 2021-07-23 Jakub Jelinek <jakub@redhat.com>
3969 PR rtl-optimization/101562
3970 * expmed.c (store_integral_bit_field): Only use movstrict_optab
3971 if the operand isn't paradoxical.
3973 2021-07-23 Aldy Hernandez <aldyh@redhat.com>
3975 * gimple-array-bounds.h (class array_bounds_checker): Change
3976 ranges type to range_query.
3978 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3980 * config/aarch64/arm_neon.h (vst1_s64_x2): Use
3981 __builtin_memcpy instead of constructing
3982 __builtin_aarch64_simd_oi one vector at a time.
3983 (vst1_u64_x2): Likewise.
3984 (vst1_f64_x2): Likewise.
3985 (vst1_s8_x2): Likewise.
3986 (vst1_p8_x2): Likewise.
3987 (vst1_s16_x2): Likewise.
3988 (vst1_p16_x2): Likewise.
3989 (vst1_s32_x2): Likewise.
3990 (vst1_u8_x2): Likewise.
3991 (vst1_u16_x2): Likewise.
3992 (vst1_u32_x2): Likewise.
3993 (vst1_f16_x2): Likewise.
3994 (vst1_f32_x2): Likewise.
3995 (vst1_p64_x2): Likewise.
3996 (vst1q_s8_x2): Likewise.
3997 (vst1q_p8_x2): Likewise.
3998 (vst1q_s16_x2): Likewise.
3999 (vst1q_p16_x2): Likewise.
4000 (vst1q_s32_x2): Likewise.
4001 (vst1q_s64_x2): Likewise.
4002 (vst1q_u8_x2): Likewise.
4003 (vst1q_u16_x2): Likewise.
4004 (vst1q_u32_x2): Likewise.
4005 (vst1q_u64_x2): Likewise.
4006 (vst1q_f16_x2): Likewise.
4007 (vst1q_f32_x2): Likewise.
4008 (vst1q_f64_x2): Likewise.
4009 (vst1q_p64_x2): Likewise.
4011 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4013 * config/aarch64/arm_neon.h (vst1_s64_x3): Use
4014 __builtin_memcpy instead of constructing
4015 __builtin_aarch64_simd_ci one vector at a time.
4016 (vst1_u64_x3): Likewise.
4017 (vst1_f64_x3): Likewise.
4018 (vst1_s8_x3): Likewise.
4019 (vst1_p8_x3): Likewise.
4020 (vst1_s16_x3): Likewise.
4021 (vst1_p16_x3): Likewise.
4022 (vst1_s32_x3): Likewise.
4023 (vst1_u8_x3): Likewise.
4024 (vst1_u16_x3): Likewise.
4025 (vst1_u32_x3): Likewise.
4026 (vst1_f16_x3): Likewise.
4027 (vst1_f32_x3): Likewise.
4028 (vst1_p64_x3): Likewise.
4029 (vst1q_s8_x3): Likewise.
4030 (vst1q_p8_x3): Likewise.
4031 (vst1q_s16_x3): Likewise.
4032 (vst1q_p16_x3): Likewise.
4033 (vst1q_s32_x3): Likewise.
4034 (vst1q_s64_x3): Likewise.
4035 (vst1q_u8_x3): Likewise.
4036 (vst1q_u16_x3): Likewise.
4037 (vst1q_u32_x3): Likewise.
4038 (vst1q_u64_x3): Likewise.
4039 (vst1q_f16_x3): Likewise.
4040 (vst1q_f32_x3): Likewise.
4041 (vst1q_f64_x3): Likewise.
4042 (vst1q_p64_x3): Likewise.
4044 2021-07-23 H.J. Lu <hjl.tools@gmail.com>
4047 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): Don't return
4048 hard register when LRA is in progress.
4050 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4052 * config/aarch64/arm_neon.h (vst1_s8_x4): Use
4053 __builtin_memcpy instead of using a union.
4054 (vst1q_s8_x4): Likewise.
4055 (vst1_s16_x4): Likewise.
4056 (vst1q_s16_x4): Likewise.
4057 (vst1_s32_x4): Likewise.
4058 (vst1q_s32_x4): Likewise.
4059 (vst1_u8_x4): Likewise.
4060 (vst1q_u8_x4): Likewise.
4061 (vst1_u16_x4): Likewise.
4062 (vst1q_u16_x4): Likewise.
4063 (vst1_u32_x4): Likewise.
4064 (vst1q_u32_x4): Likewise.
4065 (vst1_f16_x4): Likewise.
4066 (vst1q_f16_x4): Likewise.
4067 (vst1_f32_x4): Likewise.
4068 (vst1q_f32_x4): Likewise.
4069 (vst1_p8_x4): Likewise.
4070 (vst1q_p8_x4): Likewise.
4071 (vst1_p16_x4): Likewise.
4072 (vst1q_p16_x4): Likewise.
4073 (vst1_s64_x4): Likewise.
4074 (vst1_u64_x4): Likewise.
4075 (vst1_p64_x4): Likewise.
4076 (vst1q_s64_x4): Likewise.
4077 (vst1q_u64_x4): Likewise.
4078 (vst1q_p64_x4): Likewise.
4079 (vst1_f64_x4): Likewise.
4080 (vst1q_f64_x4): Likewise.
4082 2021-07-23 Jonathan Wrightt <jonathan.wright@arm.com>
4084 * config/aarch64/arm_neon.h (vst2_s64): Use __builtin_memcpy
4085 instead of constructing __builtin_aarch64_simd_oi one vector
4087 (vst2_u64): Likewise.
4088 (vst2_f64): Likewise.
4089 (vst2_s8): Likewise.
4090 (vst2_p8): Likewise.
4091 (vst2_s16): Likewise.
4092 (vst2_p16): Likewise.
4093 (vst2_s32): Likewise.
4094 (vst2_u8): Likewise.
4095 (vst2_u16): Likewise.
4096 (vst2_u32): Likewise.
4097 (vst2_f16): Likewise.
4098 (vst2_f32): Likewise.
4099 (vst2_p64): Likewise.
4100 (vst2q_s8): Likewise.
4101 (vst2q_p8): Likewise.
4102 (vst2q_s16): Likewise.
4103 (vst2q_p16): Likewise.
4104 (vst2q_s32): Likewise.
4105 (vst2q_s64): Likewise.
4106 (vst2q_u8): Likewise.
4107 (vst2q_u16): Likewise.
4108 (vst2q_u32): Likewise.
4109 (vst2q_u64): Likewise.
4110 (vst2q_f16): Likewise.
4111 (vst2q_f32): Likewise.
4112 (vst2q_f64): Likewise.
4113 (vst2q_p64): Likewise.
4115 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4117 * config/aarch64/arm_neon.h (vst3_s64): Use __builtin_memcpy
4118 instead of constructing __builtin_aarch64_simd_ci one vector
4120 (vst3_u64): Likewise.
4121 (vst3_f64): Likewise.
4122 (vst3_s8): Likewise.
4123 (vst3_p8): Likewise.
4124 (vst3_s16): Likewise.
4125 (vst3_p16): Likewise.
4126 (vst3_s32): Likewise.
4127 (vst3_u8): Likewise.
4128 (vst3_u16): Likewise.
4129 (vst3_u32): Likewise.
4130 (vst3_f16): Likewise.
4131 (vst3_f32): Likewise.
4132 (vst3_p64): Likewise.
4133 (vst3q_s8): Likewise.
4134 (vst3q_p8): Likewise.
4135 (vst3q_s16): Likewise.
4136 (vst3q_p16): Likewise.
4137 (vst3q_s32): Likewise.
4138 (vst3q_s64): Likewise.
4139 (vst3q_u8): Likewise.
4140 (vst3q_u16): Likewise.
4141 (vst3q_u32): Likewise.
4142 (vst3q_u64): Likewise.
4143 (vst3q_f16): Likewise.
4144 (vst3q_f32): Likewise.
4145 (vst3q_f64): Likewise.
4146 (vst3q_p64): Likewise.
4148 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4150 * config/aarch64/arm_neon.h (vst4_s64): Use __builtin_memcpy
4151 instead of constructing __builtin_aarch64_simd_xi one vector
4153 (vst4_u64): Likewise.
4154 (vst4_f64): Likewise.
4155 (vst4_s8): Likewise.
4156 (vst4_p8): Likewise.
4157 (vst4_s16): Likewise.
4158 (vst4_p16): Likewise.
4159 (vst4_s32): Likewise.
4160 (vst4_u8): Likewise.
4161 (vst4_u16): Likewise.
4162 (vst4_u32): Likewise.
4163 (vst4_f16): Likewise.
4164 (vst4_f32): Likewise.
4165 (vst4_p64): Likewise.
4166 (vst4q_s8): Likewise.
4167 (vst4q_p8): Likewise.
4168 (vst4q_s16): Likewise.
4169 (vst4q_p16): Likewise.
4170 (vst4q_s32): Likewise.
4171 (vst4q_s64): Likewise.
4172 (vst4q_u8): Likewise.
4173 (vst4q_u16): Likewise.
4174 (vst4q_u32): Likewise.
4175 (vst4q_u64): Likewise.
4176 (vst4q_f16): Likewise.
4177 (vst4q_f32): Likewise.
4178 (vst4q_f64): Likewise.
4179 (vst4q_p64): Likewise.
4181 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4183 * config/aarch64/arm_neon.h (vtbx4_s8): Use __builtin_memcpy
4184 instead of constructing __builtin_aarch64_simd_oi one vector
4186 (vtbx4_u8): Likewise.
4187 (vtbx4_p8): Likewise.
4189 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4191 * config/aarch64/arm_neon.h (vtbl3_s8): Use __builtin_memcpy
4192 instead of constructing __builtin_aarch64_simd_oi one vector
4194 (vtbl3_u8): Likewise.
4195 (vtbl3_p8): Likewise.
4196 (vtbl4_s8): Likewise.
4197 (vtbl4_u8): Likewise.
4198 (vtbl4_p8): Likewise.
4200 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4202 * config/aarch64/arm_neon.h (vqtbx2_s8): Use __builtin_memcpy
4203 instead of constructing __builtin_aarch64_simd_oi one vector
4205 (vqtbx2_u8): Likewise.
4206 (vqtbx2_p8): Likewise.
4207 (vqtbx2q_s8): Likewise.
4208 (vqtbx2q_u8): Likewise.
4209 (vqtbx2q_p8): Likewise.
4210 (vqtbx3_s8): Use __builtin_memcpy instead of constructing
4211 __builtin_aarch64_simd_ci one vector at a time.
4212 (vqtbx3_u8): Likewise.
4213 (vqtbx3_p8): Likewise.
4214 (vqtbx3q_s8): Likewise.
4215 (vqtbx3q_u8): Likewise.
4216 (vqtbx3q_p8): Likewise.
4217 (vqtbx4_s8): Use __builtin_memcpy instead of constructing
4218 __builtin_aarch64_simd_xi one vector at a time.
4219 (vqtbx4_u8): Likewise.
4220 (vqtbx4_p8): Likewise.
4221 (vqtbx4q_s8): Likewise.
4222 (vqtbx4q_u8): Likewise.
4223 (vqtbx4q_p8): Likewise.
4225 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4227 * config/aarch64/arm_neon.h (vqtbl2_s8): Use __builtin_memcpy
4228 instead of constructing __builtin_aarch64_simd_oi one vector
4230 (vqtbl2_u8): Likewise.
4231 (vqtbl2_p8): Likewise.
4232 (vqtbl2q_s8): Likewise.
4233 (vqtbl2q_u8): Likewise.
4234 (vqtbl2q_p8): Likewise.
4235 (vqtbl3_s8): Use __builtin_memcpy instead of constructing
4236 __builtin_aarch64_simd_ci one vector at a time.
4237 (vqtbl3_u8): Likewise.
4238 (vqtbl3_p8): Likewise.
4239 (vqtbl3q_s8): Likewise.
4240 (vqtbl3q_u8): Likewise.
4241 (vqtbl3q_p8): Likewise.
4242 (vqtbl4_s8): Use __builtin_memcpy instead of constructing
4243 __builtin_aarch64_simd_xi one vector at a time.
4244 (vqtbl4_u8): Likewise.
4245 (vqtbl4_p8): Likewise.
4246 (vqtbl4q_s8): Likewise.
4247 (vqtbl4q_u8): Likewise.
4248 (vqtbl4q_p8): Likewise.
4250 2021-07-23 Haochen Gui <guihaoc@gcc.gnu.org>
4253 * config/rs6000/rs6000.md (cstore<mode>4): Fix wrong fall through.
4255 2021-07-22 Andrew Pinski <apinski@marvell.com>
4257 PR tree-optimization/10153
4258 * tree-tailcall.c (create_tailcall_accumulator):
4259 Don't call fold_convert as the type should be correct already.
4260 (tree_optimize_tail_calls_1): Use build_{one,zero}_cst instead
4261 of integer_{one,zero}_node for the call of create_tailcall_accumulator.
4263 2021-07-22 Aldy Hernandez <aldyh@redhat.com>
4265 * gimple-range-cache.cc (non_null_ref::adjust_range): Replace
4266 varying_p check for null/non-null check.
4268 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
4270 PR tree-optimization/101511
4271 * value-relation.cc (relation_oracle::query_relation): Check if ssa1
4272 is in ssa2's equiv set, and don't trap if so.
4274 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
4276 PR tree-optimization/101497
4277 * gimple-range-fold.cc (fold_using_range::range_of_cond_expr): Check
4280 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
4282 PR tree-optimization/101496
4283 * vr-values.c (simplify_using_ranges::fold_cond): Call range_of_stmt
4284 first, then vrp_visit_cond_Stmt.
4286 2021-07-22 liuhongt <hongtao.liu@intel.com>
4288 * config/i386/i386-expand.c
4289 (ix86_broadcast_from_integer_constant): Rename to ..
4290 (ix86_broadcast_from_constant): .. this, and extend it to
4292 (ix86_expand_vector_move): Extend to float mode.
4293 * config/i386/i386-features.c
4294 (replace_constant_pool_with_broadcast): Remove.
4295 (remove_partial_avx_dependency_gate): Ditto.
4296 (constant_pool_broadcast): Ditto.
4297 (class pass_constant_pool_broadcast): Ditto.
4298 (make_pass_constant_pool_broadcast): Ditto.
4299 (remove_partial_avx_dependency): Adjust gate.
4300 * config/i386/i386-passes.def: Remove pass_constant_pool_broadcast.
4301 * config/i386/i386-protos.h
4302 (make_pass_constant_pool_broadcast): Remove.
4304 2021-07-22 liuhongt <hongtao.liu@intel.com>
4306 * config/i386/constraints.md (Wb): New constraint.
4308 * config/i386/i386.md (*ashlhi3_1): Extend to avx512 mask
4310 (*ashlqi3_1): Ditto.
4311 (*<insn><mode>3_1): Split to ..
4312 (*ashr<mode>3_1): this, ...
4313 (*lshr<mode>3_1): and this, also extend this pattern to avx512
4315 (*<insn><mode>3_1): Split to ..
4316 (*ashr<mode>3_1): this, ...
4317 (*lshrqi3_1): and this, also extend this pattern to avx512
4319 (*lshrhi3_1): And this, also extend this pattern to avx512
4321 * config/i386/sse.md (k<code><mode>): New define_split after
4322 it to convert generic shift pattern to mask shift ones.
4324 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
4325 Joseph Myers <joseph@codesourcery.com>
4326 Cesar Philippidis <cesar@codesourcery.com>
4328 * tree-core.h (omp_clause_code): Add 'OMP_CLAUSE_NOHOST'.
4329 * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
4331 * tree-pretty-print.c (dump_omp_clause): Likewise.
4332 * omp-general.c (oacc_verify_routine_clauses): Likewise.
4333 * gimplify.c (gimplify_scan_omp_clauses)
4334 (gimplify_adjust_omp_clauses): Likewise.
4335 * tree-nested.c (convert_nonlocal_omp_clauses)
4336 (convert_local_omp_clauses): Likewise.
4337 * omp-low.c (scan_sharing_clauses): Likewise.
4338 * omp-offload.c (execute_oacc_device_lower): Update.
4340 2021-07-21 Martin Sebor <msebor@redhat.com>
4342 * tree-ssa-alias.c (walk_aliased_vdefs_1): Fix typos in a comment.
4344 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4346 * config/rs6000/rs6000-gen-builtins.c (write_init_bif_table):
4349 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4351 * config/rs6000/rs6000-gen-builtins.c (write_fntype): New
4353 (write_fntype_init): New stub function.
4354 (write_init_bif_table): Likewise.
4355 (write_init_ovld_table): New function.
4356 (write_init_file): Implement.
4358 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4360 * config/rs6000/rs6000-gen-builtins.c
4361 (write_autogenerated_header): New function.
4362 (write_decls): Likewise.
4363 (write_extern_fntype): New callback function.
4364 (write_header_file): Implement.
4366 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4368 * config/rs6000/rs6000-gen-builtins.c (write_defines_file):
4371 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4373 * config/rs6000/rs6000-gen-builtins.c (complete_vector_type): New
4375 (complete_base_type): Likewise.
4376 (construct_fntype_id): Likewise.
4377 (parse_bif_entry): Call contruct_fntype_id.
4378 (parse_ovld_entry): Likewise.
4380 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4382 * config/rs6000/rs6000-gen-builtins.c (ovld_stanza): New struct.
4383 (MAXOVLDSTANZAS): New macro.
4384 (ovld_stanzas): New variable.
4385 (curr_ovld_stanza): Likewise.
4386 (MAXOVLDS): New macro.
4387 (ovlddata): New struct.
4388 (ovlds): New variable.
4389 (curr_ovld): Likewise.
4390 (max_ovld_args): Likewise.
4391 (parse_ovld_entry): New function.
4392 (parse_ovld_stanza): Likewise.
4393 (parse_ovld): Implement.
4395 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4397 * config/rs6000/rs6000-gen-builtins.c (parse_bif_attrs):
4400 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4402 * config/rs6000/rs6000-gen-builtins.c (parse_args): New function.
4403 (parse_prototype): Implement.
4405 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4407 * config/rs6000/rs6000-gen-builtins.c (bif_stanza): New enum.
4408 (curr_bif_stanza): New variable.
4409 (stanza_entry): New struct.
4410 (stanza_map): New initialized variable.
4411 (enable_string): Likewise.
4412 (fnkinds): New enum.
4413 (typelist): New struct.
4414 (attrinfo): Likewise.
4415 (MAXRESTROPNDS): New macro.
4416 (prototype): New struct.
4417 (MAXBIFS): New macro.
4418 (bifdata): New struct.
4419 (bifs): New variable.
4420 (curr_bif): Likewise.
4421 (bif_order): Likewise.
4422 (bif_index): Likewise.
4423 (fatal): New function.
4424 (stanza_name_to_stanza): Likewise.
4425 (parse_bif_attrs): New stub function.
4426 (parse_prototype): Likewise.
4427 (parse_bif_entry): New function.
4428 (parse_bif_stanza): Likewise.
4429 (parse_bif): Implement.
4430 (set_bif_order): New function.
4431 (create_bif_order): Implement.
4433 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4435 * config/rs6000/rs6000-gen-builtins.c (rbtree.h): New #include.
4436 (num_bifs): New variable.
4437 (num_ovld_stanzas): Likewise.
4438 (num_ovlds): Likewise.
4439 (parse_codes): New enum.
4440 (bif_rbt): New variable.
4441 (ovld_rbt): Likewise.
4442 (fntype_rbt): Likewise.
4443 (bifo_rbt): Likewise.
4444 (parse_bif): New stub function.
4445 (create_bif_order): Likewise.
4446 (parse_ovld): Likewise.
4447 (write_header_file): Likewise.
4448 (write_init_file): Likewise.
4449 (write_defines_file): Likewise.
4450 (delete_output_files): New function.
4453 2021-07-21 H.J. Lu <hjl.tools@gmail.com>
4456 * config/i386/i386-builtin.def: Remove OPTION_MASK_ISA_SSE4_2
4457 from CRC32 _builtin functions.
4459 2021-07-21 Sebastian Huber <sebastian.huber@embedded-brains.de>
4461 * coverage.c (build_gcov_info_var_registration): Mark the object placed
4462 in the linker set as referenced so that it does not get optimized away.
4464 2021-07-21 Kito Cheng <kito.cheng@sifive.com>
4467 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
4469 * config.gcc (riscv*-*-*): Detect which python is available.
4471 2021-07-21 Jakub Jelinek <jakub@redhat.com>
4473 PR middle-end/101535
4474 * gimplify.c (omp_check_private): Properly skip ORT_TARGET_DATA
4475 contexts in which decl isn't privatized and for ORT_TARGET return
4476 false if decl is mapped.
4478 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
4480 * gimple-loop-jam.c: Include tree-ssa-sccvn.h.
4481 (tree_loop_unroll_and_jam): Run value-numbering on a loop that
4482 has been successfully unrolled.
4484 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
4486 * tree-ssa-loop-manip.c (determine_exit_conditions): Return a null
4487 exit condition if no tail loop is needed, and if the original exit
4488 condition should therefore be kept as-is.
4489 (tree_transform_and_unroll_loop): Handle that case here too.
4491 2021-07-21 Kewen Lin <linkw@linux.ibm.com>
4493 * tree-data-ref.c (free_dependence_relations): Adjust to pass vec
4495 (free_data_refs): Likewise.
4496 * tree-data-ref.h (free_dependence_relations): Likewise.
4497 (free_data_refs): Likewise.
4498 * tree-predcom.c (struct chain): Use auto_vec instead of vec for
4500 (struct component): Likewise.
4501 (pcom_worker::pcom_worker): Adjust for auto_vec and renaming changes.
4502 (pcom_worker::~pcom_worker): Likewise.
4503 (pcom_worker::release_chain): Adjust as auto_vec changes.
4504 (pcom_worker::loop): Rename to ...
4505 (pcom_worker::m_loop): ... this.
4506 (pcom_worker::datarefs): Rename to ...
4507 (pcom_worker::m_datarefs): ... this. Use auto_vec instead of vec.
4508 (pcom_worker::dependences): Rename to ...
4509 (pcom_worker::m_dependences): ... this. Use auto_vec instead of vec.
4510 (pcom_worker::chains): Rename to ...
4511 (pcom_worker::m_chains): ... this. Use auto_vec instead of vec.
4512 (pcom_worker::looparound_phis): Rename to ...
4513 (pcom_worker::m_looparound_phis): ... this. Use auto_vec instead of
4515 (pcom_worker::cache): Rename to ...
4516 (pcom_worker::m_cache): ... this. Use auto_vec instead of vec.
4517 (pcom_worker::release_chain): Adjust for auto_vec changes.
4518 (pcom_worker::release_chains): Adjust for auto_vec and renaming
4520 (release_component): Remove.
4521 (release_components): Adjust for release_component removal.
4522 (component_of): Adjust to use vec.
4523 (merge_comps): Likewise.
4524 (pcom_worker::aff_combination_dr_offset): Adjust for renaming changes.
4525 (pcom_worker::determine_offset): Likewise.
4526 (class comp_ptrs): Remove.
4527 (pcom_worker::split_data_refs_to_components): Adjust for renaming
4528 changes, for comp_ptrs removal with auto_vec.
4529 (pcom_worker::suitable_component_p): Adjust for renaming changes.
4530 (pcom_worker::filter_suitable_components): Adjust for release_component
4532 (pcom_worker::valid_initializer_p): Adjust for renaming changes.
4533 (pcom_worker::find_looparound_phi): Likewise.
4534 (pcom_worker::add_looparound_copies): Likewise.
4535 (pcom_worker::determine_roots_comp): Likewise.
4536 (pcom_worker::single_nonlooparound_use): Likewise.
4537 (pcom_worker::execute_pred_commoning_chain): Likewise.
4538 (pcom_worker::execute_pred_commoning): Likewise.
4539 (pcom_worker::try_combine_chains): Likewise.
4540 (pcom_worker::prepare_initializers_chain): Likewise.
4541 (pcom_worker::prepare_initializers): Likewise.
4542 (pcom_worker::prepare_finalizers_chain): Likewise.
4543 (pcom_worker::prepare_finalizers): Likewise.
4544 (pcom_worker::tree_predictive_commoning_loop): Likewise.
4546 2021-07-20 Martin Sebor <msebor@redhat.com>
4548 PR middle-end/101397
4549 * builtins.c (gimple_call_return_array): Add argument. Correct
4550 offsets for memchr, mempcpy, stpcpy, and stpncpy.
4551 (compute_objsize_r): Adjust offset computation for argument returning
4554 2021-07-20 Martin Sebor <msebor@redhat.com>
4556 PR middle-end/101300
4557 * tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
4559 2021-07-20 Jeff Law <jlaw@localhost.localdomain>
4561 * function.c (assign_parm_setup_block): Use adjust_address instead
4562 of change_address to preserve MEM_EXPR and friends.
4564 2021-07-20 Martin Sebor <msebor@redhat.com>
4566 * cfgloop.h (single_likely_exit): Adjust by-value argument to
4568 * cfgloopanal.c (single_likely_exit): Same.
4569 * cgraph.h (struct cgraph_node): Same.
4570 * cgraphclones.c (cgraph_node::create_virtual_clone): Same.
4571 * genautomata.c (merge_states): Same.
4572 * genextract.c (VEC_char_to_string): Same.
4573 * genmatch.c (dt_node::gen_kids_1): Same.
4574 (walk_captures): Adjust by-value argument to by-reference.
4575 * gimple-ssa-store-merging.c (check_no_overlap): Adjust by-value argument
4576 to by-const-reference.
4577 * gimple.c (gimple_build_call_vec): Same.
4578 (gimple_build_call_internal_vec): Same.
4579 (gimple_build_switch): Same.
4580 (sort_case_labels): Same.
4581 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
4583 * gimple.h (gimple_build_call_vec): Adjust by-value argument to
4585 (gimple_build_call_internal_vec): Same.
4586 (gimple_build_switch): Same.
4587 (sort_case_labels): Same.
4588 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
4590 * haifa-sched.c (calc_priorities): Adjust by-value argument to
4592 (sched_init_luids): Same.
4593 (haifa_init_h_i_d): Same.
4594 * ipa-cp.c (ipa_get_indirect_edge_target_1): Same.
4595 (adjust_callers_for_value_intersection): Adjust by-value argument to
4597 (find_more_scalar_values_for_callers_subset): Adjust by-value argument to
4599 (find_more_contexts_for_caller_subset): Same.
4600 (find_aggregate_values_for_callers_subset): Same.
4601 (copy_useful_known_contexts): Same.
4602 * ipa-fnsummary.c (remap_edge_summaries): Same.
4603 (remap_freqcounting_predicate): Same.
4604 * ipa-inline.c (add_new_edges_to_heap): Adjust by-value argument to
4606 * ipa-predicate.c (predicate::remap_after_inlining): Adjust by-value argument
4607 to by-const-reference.
4608 * ipa-predicate.h (predicate::remap_after_inlining): Same.
4609 * ipa-prop.c (ipa_find_agg_cst_for_param): Same.
4610 * ipa-prop.h (ipa_find_agg_cst_for_param): Same.
4611 * ira-build.c (ira_loop_tree_body_rev_postorder): Same.
4612 * read-rtl.c (add_overload_instance): Same.
4613 * rtl.h (native_decode_rtx): Same.
4614 (native_decode_vector_rtx): Same.
4615 * sched-int.h (sched_init_luids): Same.
4616 (haifa_init_h_i_d): Same.
4617 * simplify-rtx.c (native_decode_vector_rtx): Same.
4618 (native_decode_rtx): Same.
4619 * tree-call-cdce.c (gen_shrink_wrap_conditions): Same.
4620 (shrink_wrap_one_built_in_call_with_conds): Same.
4621 (shrink_wrap_conditional_dead_built_in_calls): Same.
4622 * tree-data-ref.c (create_runtime_alias_checks): Same.
4623 (compute_all_dependences): Same.
4624 * tree-data-ref.h (compute_all_dependences): Same.
4625 (create_runtime_alias_checks): Same.
4626 (index_in_loop_nest): Same.
4627 * tree-if-conv.c (mask_exists): Same.
4628 * tree-loop-distribution.c (class loop_distribution): Same.
4629 (loop_distribution::create_rdg_vertices): Same.
4630 (dump_rdg_partitions): Same.
4631 (debug_rdg_partitions): Same.
4632 (partition_contains_all_rw): Same.
4633 (loop_distribution::distribute_loop): Same.
4634 * tree-parloops.c (oacc_entry_exit_ok_1): Same.
4635 (oacc_entry_exit_single_gang): Same.
4636 * tree-ssa-loop-im.c (hoist_memory_references): Same.
4637 (loop_suitable_for_sm): Same.
4638 * tree-ssa-loop-niter.c (bound_index): Same.
4639 * tree-ssa-reassoc.c (update_ops): Same.
4640 (swap_ops_for_binary_stmt): Same.
4641 (rewrite_expr_tree): Same.
4642 (rewrite_expr_tree_parallel): Same.
4643 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Same.
4644 * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Same.
4645 * tree-ssa-structalias.c (process_all_all_constraints): Same.
4646 (make_constraints_to): Same.
4647 (handle_lhs_call): Same.
4648 (find_func_aliases_for_builtin_call): Same.
4649 (sort_fieldstack): Same.
4650 (check_for_overlaps): Same.
4651 * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Same.
4652 (vect_create_cond_for_unequal_addrs): Same.
4653 (vect_create_cond_for_lower_bounds): Same.
4654 (vect_create_cond_for_alias_checks): Same.
4655 * tree-vect-slp-patterns.c (vect_validate_multiplication): Same.
4656 * tree-vect-slp.c (vect_analyze_slp_instance): Same.
4657 (vect_make_slp_decision): Same.
4658 (vect_slp_bbs): Same.
4659 (duplicate_and_interleave): Same.
4660 (vect_transform_slp_perm_load): Same.
4661 (vect_schedule_slp): Same.
4662 * tree-vectorizer.h (vect_transform_slp_perm_load): Same.
4663 (vect_schedule_slp): Same.
4664 (duplicate_and_interleave): Same.
4665 * tree.c (build_vector_from_ctor): Same.
4666 (build_vector): Same.
4667 (check_vector_cst): Same.
4668 (check_vector_cst_duplicate): Same.
4669 (check_vector_cst_fill): Same.
4670 (check_vector_cst_stepped): Same.
4671 * tree.h (build_vector_from_ctor): Same.
4673 2021-07-20 Jakub Jelinek <jakub@redhat.com>
4676 * config/rs6000/rs6000-protos.h (easy_altivec_constant): Change return
4677 type from bool to int.
4678 * config/rs6000/rs6000.c (vspltis_constant): Fix up handling the
4679 EASY_VECTOR_MSB case if either step or copies is not 1.
4680 (vspltis_shifted): Fix comment typo.
4681 (easy_altivec_constant): Change return type from bool to int, instead
4682 of returning true return byte size of the element mode that should be
4683 used to synthetize the constant.
4684 * config/rs6000/predicates.md (easy_vector_constant_msb): Require
4685 that vspltis_shifted is 0, handle the case where easy_altivec_constant
4686 assumes using different vector mode from CONST_VECTOR's mode.
4687 * config/rs6000/altivec.md (easy_vector_constant_msb splitter): Use
4688 easy_altivec_constant to determine mode in which -1 >> -1 should be
4689 performed, use rs6000_expand_vector_init instead of gen_vec_initv4sisi.
4691 2021-07-20 Richard Biener <rguenther@suse.de>
4694 * dwarf2out.h (dwarf_file_data): Add key member.
4695 * dwarf2out.c (dwarf_file_hasher::equal): Compare key.
4696 (dwarf_file_hasher::hash): Hash key.
4697 (lookup_filename): Remap the filename and store it in the
4698 filename member of dwarf_file_data when creating a new
4700 (file_name_acquire): Do not remap the filename again.
4701 (maybe_emit_file): Likewise.
4703 2021-07-20 Jonathan Wright <jonathan.wright@arm.com>
4705 * config/aarch64/aarch64-simd-builtins.def: Use two variant
4706 generators for all TBL/TBX intrinsics and rename to
4707 consistent forms: qtbl[1234] or qtbx[1234].
4708 * config/aarch64/aarch64-simd.md (aarch64_tbl1<mode>):
4710 (aarch64_qtbl1<mode>): This.
4711 (aarch64_tbx1<mode>): Rename to...
4712 (aarch64_qtbx1<mode>): This.
4713 (aarch64_tbl2v16qi): Delete.
4714 (aarch64_tbl3<mode>): Rename to...
4715 (aarch64_qtbl2<mode>): This.
4716 (aarch64_tbx4<mode>): Rename to...
4717 (aarch64_qtbx2<mode>): This.
4718 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Use
4719 renamed qtbl1 and qtbl2 RTL patterns.
4720 * config/aarch64/arm_neon.h (vqtbl1_p8): Use renamed qtbl1
4722 (vqtbl1_s8): Likewise.
4723 (vqtbl1_u8): Likewise.
4724 (vqtbl1q_p8): Likewise.
4725 (vqtbl1q_s8): Likewise.
4726 (vqtbl1q_u8): Likewise.
4727 (vqtbx1_s8): Use renamed qtbx1 RTL pattern.
4728 (vqtbx1_u8): Likewise.
4729 (vqtbx1_p8): Likewise.
4730 (vqtbx1q_s8): Likewise.
4731 (vqtbx1q_u8): Likewise.
4732 (vqtbx1q_p8): Likewise.
4733 (vtbl1_s8): Use renamed qtbl1 RTL pattern.
4734 (vtbl1_u8): Likewise.
4735 (vtbl1_p8): Likewise.
4736 (vtbl2_s8): Likewise
4737 (vtbl2_u8): Likewise.
4738 (vtbl2_p8): Likewise.
4739 (vtbl3_s8): Use renamed qtbl2 RTL pattern.
4740 (vtbl3_u8): Likewise.
4741 (vtbl3_p8): Likewise.
4742 (vtbl4_s8): Likewise.
4743 (vtbl4_u8): Likewise.
4744 (vtbl4_p8): Likewise.
4745 (vtbx2_s8): Use renamed qtbx2 RTL pattern.
4746 (vtbx2_u8): Likewise.
4747 (vtbx2_p8): Likewise.
4748 (vqtbl2_s8): Use renamed qtbl2 RTL pattern.
4749 (vqtbl2_u8): Likewise.
4750 (vqtbl2_p8): Likewise.
4751 (vqtbl2q_s8): Likewise.
4752 (vqtbl2q_u8): Likewise.
4753 (vqtbl2q_p8): Likewise.
4754 (vqtbx2_s8): Use renamed qtbx2 RTL pattern.
4755 (vqtbx2_u8): Likewise.
4756 (vqtbx2_p8): Likewise.
4757 (vqtbx2q_s8): Likewise.
4758 (vqtbx2q_u8): Likewise.
4759 (vqtbx2q_p8): Likewise.
4760 (vtbx4_s8): Likewise.
4761 (vtbx4_u8): Likewise.
4762 (vtbx4_p8): Likewise.
4764 2021-07-20 Uroš Bizjak <ubizjak@gmail.com>
4767 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
4769 (define_peephole2 atomic_loaddi_fpu): Ditto.
4771 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
4773 * config.gcc (riscv*-*-*): Detect which python is available.
4775 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
4777 * config/rs6000/vsx.md (mulhs_<mode>): Rename to...
4778 (smul<mode>3_highpart): ... this.
4779 (mulhu_<mode>): Rename to...
4780 (umul<mode>3_highpart): ... this.
4781 * config/rs6000/rs6000-builtin.def (MULHS_V2DI, MULHS_V4SI,
4782 MULHU_V2DI, MULHU_V4SI): Adjust.
4784 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
4786 PR tree-optimization/100696
4787 * internal-fn.c (first_commutative_argument): Add info for IFN_MULH.
4788 * internal-fn.def (IFN_MULH): New internal function.
4789 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Add support to
4790 recog normal multiply highpart as IFN_MULH.
4791 * config/i386/i386.c (ix86_add_stmt_cost): Adjust for combined
4794 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
4796 * config/elfos.h (CTF_DEBUGGING_INFO): New definition.
4797 (BTF_DEBUGGING_INFO): Likewise.
4798 * doc/tm.texi.in: Document the new macros.
4799 * doc/tm.texi: Regenerated.
4800 * toplev.c: Guard initialization of debug hooks.
4802 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
4804 * flags.h (ctf_debuginfo_p): New function declaration.
4805 * opts.c (ctf_debuginfo_p): New function definition.
4807 2021-07-19 Andrew Stubbs <ams@codesourcery.com>
4810 * config/gcn/gcn-hsa.h (DRIVER_SELF_SPECS): New.
4811 (ASM_SPEC): Set -mattr for xnack and sram-ecc.
4812 * config/gcn/gcn-opts.h (enum sram_ecc_type): New.
4813 * config/gcn/gcn-valu.md: Add a warning comment.
4814 * config/gcn/gcn.c (gcn_option_override): Add "sorry" for -mxnack.
4815 (output_file_start): Add xnack and sram-ecc state to ".amdgcn_target".
4816 * config/gcn/gcn.md: Add a warning comment.
4817 * config/gcn/gcn.opt: Add -mxnack and -msram-ecc.
4818 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): Remove
4820 (EF_AMDGPU_XNACK): New.
4821 (EF_AMDGPU_SRAM_ECC): New.
4823 (copy_early_debug_info): Use elf_flags.
4824 (main): Handle -mxnack and -msram-ecc options.
4825 * doc/invoke.texi: Document -mxnack and -msram-ecc.
4827 2021-07-19 Andrew Pinski <apinski@marvell.com>
4830 * config/aarch64/aarch64.md (csneg3_uxtw_insn): Rename to ...
4831 (*cs<neg_not_cs>3_uxtw_insn4): and extend to NEG_NOT.
4833 2021-07-19 Richard Biener <rguenther@suse.de>
4835 PR tree-optimization/101505
4836 * tree-vect-patterns.c (vect_determine_precisions): Walk
4837 PHIs also for loop vectorization.
4839 2021-07-19 Richard Biener <rguenther@suse.de>
4841 * gimple.h (gimple_expr_type): Remove.
4842 * doc/gimple.texi: Remove gimple_expr_type documentation.
4844 2021-07-19 Richard Biener <rguenther@suse.de>
4846 * tree-ssa-sccvn.c (vn_reference_eq): Handle NULL vr->type.
4847 (ao_ref_init_from_vn_reference): Likewise.
4848 (fully_constant_reference): Likewise.
4849 (vn_reference_lookup_call): Do not set vr->type to random
4851 * tree-ssa-pre.c (compute_avail): Do not try to PRE calls
4853 * tree-vect-generic.c (expand_vector_piecewise): Pass in
4854 whether we expanded parallel.
4855 (expand_vector_parallel): Adjust.
4856 (expand_vector_addition): Likewise.
4857 (expand_vector_comparison): Likewise.
4858 (expand_vector_operation): Likewise.
4859 (expand_vector_scalar_condition): Likewise.
4860 (expand_vector_conversion): Likewise.
4862 2021-07-19 Richard Biener <rguenther@suse.de>
4864 * tree-vrp.c (register_edge_assert_for_2): Use the
4866 (vrp_folder::fold_predicate_in): Likewise.
4867 * vr-values.c (gimple_assign_nonzero_p): Likewise.
4868 (vr_values::extract_range_from_comparison): Likewise.
4869 (vr_values::extract_range_from_ubsan_builtin): Use the
4870 type of the first operand.
4871 (vr_values::extract_range_basic): Push down type
4872 computation, use the appropriate LHS.
4873 (vr_values::extract_range_from_assignment): Use the
4876 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
4879 * common/config/i386/i386-common.c (ix86_handle_option): For
4880 -mgeneral-regs-only, enable the GPR only instructions which are
4881 enabled implicitly by SSE ISAs unless they have been disabled
4884 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
4887 * config/i386/i386.c (ix86_check_avx_upper_stores): Moved before
4888 ix86_avx_u128_mode_needed.
4889 (ix86_avx_u128_mode_needed): Return AVX_U128_DIRTY if callee
4890 returns AVX register.
4892 2021-07-17 Jan Hubicka <hubicka@ucw.cz>
4894 * tree-ssa-structalias.c (handle_rhs_call): Support EAF_NOT_RETURNED.
4895 (handle_const_call): Liekise
4896 (handle_pure_call): Liekise
4898 2021-07-17 Andrew MacLeod <amacleod@redhat.com>
4900 PR tree-optimization/96542
4901 * range-op.cc (range_operator::wi_fold_in_parts): New.
4902 (range_operator::fold_range): Call wi_fold_in_parts.
4903 (operator_lshift::wi_fold): Fix broken lshift by [0,0].
4904 * range-op.h (wi_fold_in_parts): Add prototype.
4906 2021-07-16 David Malcolm <dmalcolm@redhat.com>
4908 * doc/analyzer.texi: Add __analyzer_dump_state.
4910 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4912 * config/rs6000/rbtree.c: New file.
4913 * config/rs6000/rbtree.h: New file.
4915 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4917 * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
4918 (typeinfo): Add restr field.
4919 (match_bracketed_pair): New function.
4920 (match_const_restriction): Implement.
4922 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4924 * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
4926 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4928 * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
4929 (basetype): Likewise.
4930 (typeinfo): Likewise.
4931 (handle_pointer): New function.
4932 (match_basetype): New stub function.
4933 (match_const_restriction): Likewise.
4934 (match_type): New function.
4936 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4938 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
4940 (advance_line): Likewise.
4941 (safe_inc_pos): Likewise.
4942 (match_identifier): Likewise.
4943 (match_integer): Likewise.
4944 (match_to_right_bracket): Likewise.
4946 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4948 * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
4949 (ovld_file): Likewise.
4950 (header_file): Likewise.
4951 (init_file): Likewise.
4952 (defines_file): Likewise.
4953 (pgm_path): Likewise.
4954 (bif_path): Likewise.
4955 (ovld_path): Likewise.
4956 (header_path): Likewise.
4957 (init_path): Likewise.
4958 (defines_path): Likewise.
4959 (LINELEN): New macro.
4960 (linebuf): New variable.
4964 (bif_diag): New function.
4965 (ovld_diag): Likewise.
4967 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4969 * config/rs6000/rs6000-builtin-new.def: New.
4970 * config/rs6000/rs6000-overload.def: New.
4972 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4974 * config/rs6000/rs6000-gen-builtins.c: New.
4976 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4978 * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
4979 (s-gtype): Depend on EXTRA_GTYPE_DEPS.
4980 * gengtype-state.c (state_writer::write_state_file_list): Add a
4981 parameter to the fileslist expression for the number of build
4983 (read_state_files_list): Detect build headers and strip the
4984 initial "./" or ".\" from their names.
4985 * gengtype.c (build_headers): New global variable.
4986 (num_build_headers): Likewise.
4987 (open_base_files): Emit #include for each build header.
4988 (main): Detect and count build headers.
4989 * gengtype.h (build_headers): New extern variable.
4990 (num_build_headers): Likewise.
4992 2021-07-16 Richard Biener <rguenther@suse.de>
4994 * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
4995 the type of the LHS.
4996 (find_bswap_or_nop_1): Likewise.
4997 (find_bswap_or_nop): Likewise.
4998 * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
5000 * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
5001 Remove unused parameters, pass in the scalar type. Fix
5002 internal store function handling.
5003 * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
5004 (vect_get_vector_types_for_stmt): Move down check for
5005 existing vector stmt after we've determined a scalar type.
5006 Pass down the used scalar type to vect_get_smallest_scalar_type.
5007 * tree-vect-generic.c (expand_vector_condition): Use
5008 the type of the LHS.
5009 (expand_vector_scalar_condition): Likewise.
5010 (expand_vector_operations_1): Likewise.
5011 * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
5012 (vect_recog_dot_prod_pattern): Likewise.
5013 (vect_recog_sad_pattern): Likewise.
5014 (vect_recog_widen_op_pattern): Likewise.
5015 (vect_recog_widen_sum_pattern): Likewise.
5016 (vect_recog_mixed_size_cond_pattern): Likewise.
5018 2021-07-16 Jan Hubicka <hubicka@ucw.cz>
5020 * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
5021 (dump_eaf_flags): Dump EAF_NOT_RETURNED
5022 (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
5023 and EAF_NOT_RETURNED.
5024 (modref_summary::useful_p): Likewise.
5025 (modref_summary_lto::useful_p): Likewise.
5026 (struct) modref_summary_lto: Use eaf_fleags_t.
5027 (deref_flags): Handle EAF_NOT_RETURNED.
5028 (struct escape_point): Use min_flags.
5029 (modref_lattice::init): Add EAF_NOT_RETURNED.
5030 (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
5031 (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
5033 (analyze_parms): Also analyze const functions; update conition on
5035 (modref_write): Update streaming.
5036 (read_section): Update streaming.
5037 (remap_arg_flags): Use eaf_flags_t.
5038 (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
5039 * ipa-modref.h: (eaf_flags_t): New typedef.
5040 (struct modref_summary): Use eaf_flags_t.
5041 * tree-core.h (EAF_NOT_RETURNED): New constant.
5043 2021-07-16 Richard Biener <rguenther@suse.de>
5045 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
5046 the type of the LHS.
5047 (gimple_assign_nonnegative_warnv_p): Likewise.
5048 (gimple_call_nonnegative_warnv_p): Likewise. Return false
5049 if the call has no LHS.
5050 * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
5051 * tree-eh.c (stmt_could_throw_1_p): Likewise.
5052 * tree-inline.c (insert_init_stmt): Likewise.
5053 * tree-ssa-loop-niter.c (get_val_for): Likewise.
5054 * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
5056 * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
5057 gassign *. Use the type of the lhs.
5058 (vn_nary_op_lookup_stmt): Adjust.
5059 (vn_nary_op_insert_stmt): Likewise.
5061 2021-07-16 Ilya Leoshkevich <iii@linux.ibm.com>
5063 * config/s390/predicates.md (bras_sym_operand): Accept all
5064 functions in 64-bit mode, use UNSPEC_PLT31.
5065 (larl_operand): Use UNSPEC_PLT31.
5066 * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
5067 (legitimize_pic_address): Likewise.
5068 (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
5070 (s390_delegitimize_address): Use UNSPEC_PLT31.
5071 (s390_output_addr_const_extra): Likewise.
5072 (print_operand): Add @PLT to TLS calls, handle %K.
5073 (s390_function_profiler): Mark __fentry__/_mcount as function,
5074 use %K, use UNSPEC_PLT31.
5075 (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
5076 (s390_emit_call): Use UNSPEC_PLT31.
5077 (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
5078 * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
5079 (*movdi_64): Use %K.
5080 (reload_base_64): Likewise.
5081 (*sibcall_brc): Likewise.
5082 (*sibcall_brcl): Likewise.
5083 (*sibcall_value_brc): Likewise.
5084 (*sibcall_value_brcl): Likewise.
5087 (*bras_r): Likewise.
5088 (*brasl_r): Likewise.
5089 (*bras_tls): Likewise.
5090 (*brasl_tls): Likewise.
5091 (main_base_64): Likewise.
5092 (reload_base_64): Likewise.
5093 (@split_stack_call<mode>): Likewise.
5095 2021-07-16 Richard Biener <rguenther@suse.de>
5097 PR tree-optimization/101467
5098 * tree-vect-stmts.c (vect_gen_while): Properly guard
5099 make_temp_ssa_name usage.
5101 2021-07-16 Cooper Qu <cooper.qu@linux.alibaba.com>
5103 * config.gcc: Don't use forked print-sysroot-suffix.sh and
5104 t-sysroot-suffix for C-SKY.
5105 * config/csky/print-sysroot-suffix.sh: Delete.
5106 * config/csky/t-csky-linux: Delete.
5107 * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
5108 instead of CSKY_MULTILIB_DIRNAMES.
5110 2021-07-16 Richard Biener <rguenther@suse.de>
5112 * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
5113 conversion issues with the partial reduction of the reused
5116 2021-07-16 Richard Biener <rguenther@suse.de>
5118 * config/i386/i386-options.c (ix86_option_override_internal): Set
5119 param_vect_partial_vector_usage to zero if not set.
5121 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
5124 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
5125 (VALID_INT_MODE_P): Add SDmode and DDmode.
5126 Add TDmode for TARGET_64BIT.
5127 (VALID_DFP_MODE_P): Remove.
5128 * config/i386/i386.c (ix86_hard_regno_mode_ok):
5129 Do not use VALID_DFP_MODE_P.
5131 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
5133 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
5135 (fold_using_range::fold_stmt): Ditto.
5136 (fold_using_range::range_of_range_op): Ditto.
5137 (fold_using_range::range_of_phi): Ditto.
5138 (fold_using_range::range_of_call): Ditto.
5139 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
5140 (fold_using_range::range_of_builtin_call): Ditto.
5141 (fold_using_range::range_of_cond_expr): Ditto.
5142 * gimple-range-fold.h (gimple_range_type): New.
5144 2021-07-15 Martin Sebor <msebor@redhat.com>
5147 * tree-ssa-strlen.c (handle_assign): New function.
5148 (maybe_warn_overflow): Add argument.
5149 (nonzero_bytes_for_type): New function.
5150 (count_nonzero_bytes): Handle more tree types. Call
5151 nonzero_bytes_for_tye.
5152 (count_nonzero_bytes): Handle types.
5153 (handle_store): Handle stores from function calls.
5154 (strlen_check_and_optimize_call): Move code to handle_assign. Call
5155 it for assignments from function calls.
5157 2021-07-15 David Malcolm <dmalcolm@redhat.com>
5162 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
5164 2021-07-15 David Malcolm <dmalcolm@redhat.com>
5166 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
5168 2021-07-15 Martin Sebor <msebor@redhat.com>
5172 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
5173 (operand_compare::verify_hash_value): Same.
5174 * tree-core.h (OEP_DECL_NAME): New.
5176 2021-07-15 Martin Jambor <mjambor@suse.cz>
5178 * profile-count.h (profile_count::value): Change the return type to
5180 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
5182 * tree-cfg.c (dump_function_to_file): Likewise.
5184 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
5187 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
5188 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
5191 2021-07-15 Richard Biener <rguenther@suse.de>
5193 * tree-vectorizer.h (vect_gen_while): Match up with
5195 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
5196 of vect_gen_while_not.
5197 (vect_gen_while_not): Adjust.
5198 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
5200 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
5202 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
5203 (ranger_cache::range_of_def): Call adjust_range.
5204 (ranger_cache::entry_range): Same.
5205 * gimple-range-cache.h (non_null_ref::adjust_range): New.
5206 * gimple-range.cc (gimple_ranger::range_of_expr): Call
5208 (gimple_ranger::range_on_entry): Same.
5210 2021-07-15 Tamar Christina <tamar.christina@arm.com>
5213 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5215 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
5217 2021-07-15 Tamar Christina <tamar.christina@arm.com>
5220 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5222 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
5223 (sdot_prod, udot_prod): ...These.
5224 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
5225 (aarch64_<sur>dot<vsi2qi>): Rename to...
5226 (<sur>dot_prod<vsi2qi>): ...This.
5227 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
5230 2021-07-15 Jakub Jelinek <jakub@redhat.com>
5232 PR middle-end/101437
5233 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
5234 types even if they have non-BLKmode TYPE_MODE.
5236 2021-07-15 Richard Biener <rguenther@suse.de>
5239 * gcc.c (process_command): Process -gtoggle like process_options
5240 would after parsing options.
5242 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
5244 * cfgexpand.c (expand_asm_loc): Adjust.
5245 (expand_asm_stmt): Likewise.
5246 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
5247 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
5248 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
5249 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
5250 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
5251 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
5252 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
5253 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
5254 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
5255 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
5256 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
5257 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
5258 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
5259 * doc/tm.texi: Regenerate.
5260 * target.def: Add location argument to md_asm_adjust.
5262 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
5264 * tree-diagnostic.c (diagnostic_report_current_function): Use the
5265 diagnostic's location, not input_location.
5267 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
5269 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
5271 (expand_asm_stmt): Likewise.
5273 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
5275 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
5276 addressed memory rtx, if any.
5277 (rs6000_split_multireg_move): Fix code formatting.
5278 Handle MMA build built-ins with operands in adjacent memory locations.
5280 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
5282 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
5285 2021-07-14 Jason Merrill <jason@redhat.com>
5287 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
5289 2021-07-14 Jason Merrill <jason@redhat.com>
5291 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
5294 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5296 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5297 Remove erroneous line.
5299 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
5301 * params.opt (param_evrp_mode): Change default.
5303 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5305 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
5306 (sdot_prod, udot_prod): ...These.
5307 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
5308 (aarch64_<sur>dot<vsi2qi>): Rename to...
5309 (<sur>dot_prod<vsi2qi>): ...This.
5310 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
5313 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5315 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
5317 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5319 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
5321 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5323 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
5325 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5327 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
5328 (usdot_prod<vsi2qi>): ... This.
5329 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
5330 (usdot_prod): ...This.
5331 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
5332 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
5334 (@<sur>dot_prod<vsi2qi>): ...This.
5335 * config/aarch64/aarch64-sve-builtins-base.cc
5336 (svusdot_impl::expand): Use it.
5338 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5340 * optabs.def (usdot_prod_optab): New.
5341 * doc/md.texi: Document it and clarify other dot prod optabs.
5342 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
5343 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
5344 * optabs.c (expand_widen_pattern_expr): Likewise.
5345 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
5346 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
5347 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
5349 (vect_widened_op_tree): Optionally ignore
5351 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
5353 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
5356 * config/i386/driver-i386.c (host_detect_local_cpu): Check
5357 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
5358 Enable UINTR only for 64-bit codegen.
5359 * config/i386/i386-options.c
5360 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
5362 * config/i386/i386.h (ARCH_ARG): New.
5363 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
5364 "[arch|tune] 64" for 64-bit codegen.
5366 2021-07-14 Richard Biener <rguenther@suse.de>
5368 PR tree-optimization/101445
5369 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
5370 of the IV in the correct direction for negative stride
5373 2021-07-14 Jakub Jelinek <jakub@redhat.com>
5376 * godump.c (godump_str_hash): New type.
5377 (godump_container::pot_dummy_types): Use string_hash instead of
5378 ptr_hash in the hash_set.
5380 2021-07-14 Richard Biener <rguenther@suse.de>
5382 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
5383 vector types where the old vector type has a multiple of
5384 the new vector type elements.
5385 (vect_create_partial_epilog): New function, split out from...
5386 (vect_create_epilog_for_reduction): ... here.
5387 (vect_transform_cycle_phi): Reduce the re-used accumulator
5388 to the new vector type.
5390 2021-07-14 Alexandre Oliva <oliva@adacore.com>
5392 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
5393 non-'t'-sized arg check.
5395 2021-07-14 Alexandre Oliva <oliva@adacore.com>
5397 * tree-cfg.c (cleanup_dead_labels_eh): Update
5398 post_landing_pad label upon change of landing pad block's
5400 (cleanup_dead_labels): Check that a removed label is not that
5403 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
5405 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
5407 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
5408 Add Neon to general purpose register case for zero-extend
5410 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
5411 case to prevent some cases opting to go through memory.
5412 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
5413 * rtl.c (rtvec_series_p): Define predicate to determine
5414 whether a vector contains a linear series of integers.
5415 * rtl.h (rtvec_series_p): Define.
5416 * rtlanal.c (vec_series_lowpart_p): Define predicate to
5417 determine if a vector selection is equivalent to the low part
5419 * rtlanal.h (vec_series_lowpart_p): Define.
5420 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
5421 Add vec_select -> subreg simplification.
5423 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
5425 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
5426 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
5427 _mm_test_mix_ones_zeros): New.
5429 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
5430 Richard Biener <rguenther@suse.de>
5432 * gimple.c (gimple_could_trap_p_1): Make S argument a
5433 "const gimple*". Preserve constness in call to
5434 gimple_asm_volatile_p.
5435 (gimple_could_trap_p): Make S argument a "const gimple*".
5436 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
5437 Update function prototypes.
5439 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5441 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
5442 (_loop_vec_info::main_loop_edge): New field.
5443 (_loop_vec_info::skip_main_loop_edge): Likewise.
5444 (_loop_vec_info::skip_this_loop_edge): Likewise.
5445 (_loop_vec_info::reusable_accumulators): Likewise.
5446 (_stmt_vec_info::reduc_scalar_results): Likewise.
5447 (_stmt_vec_info::reused_accumulator): Likewise.
5448 (vect_get_main_loop_result): Declare.
5449 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
5450 reduc_scalar_inputs.
5451 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
5452 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
5453 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
5454 skip_main_loop_edge and skip_this_loop_edge fields.
5455 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
5456 (vect_emit_reduction_init_stmts): New function.
5457 (get_initial_def_for_reduction): Use it.
5458 (get_initial_defs_for_reduction): Likewise. Change the vinfo
5459 parameter to a loop_vec_info.
5460 (vect_create_epilog_for_reduction): Store the scalar results
5461 in the reduc_info. If an epilogue loop is reusing an accumulator
5462 from the main loop, and if the epilogue loop can also be skipped,
5463 try to place the reduction code in the join block. Record
5464 accumulators that could potentially be reused by epilogue loops.
5465 (vect_transform_cycle_phi): When vectorizing epilogue loops,
5466 try to reuse accumulators from the main loop. Record the initial
5467 value in reduc_info for non-SLP reductions too.
5469 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5471 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
5472 adjustment handling. Take the neutral value as an argument,
5473 in place of the code argument.
5474 (vect_transform_cycle_phi): Update accordingly. Handle the
5475 initial values of cond reductions separately from code reductions.
5476 Choose the adjustment here rather than in
5477 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
5479 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5481 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
5482 (neutral_op_for_reduction): ...this, providing a more general
5484 (vect_create_epilog_for_reduction): Update accordingly.
5485 (vectorizable_reduction): Likewise.
5486 (vect_transform_cycle_phi): Likewise.
5488 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5490 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
5491 reduc_info instead of the original stmt_vec_info.
5492 (vect_transform_cycle_phi): Update accordingly.
5494 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5496 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
5497 reduc_info as an additional parameter.
5498 (vect_transform_cycle_phi): Update accordingly.
5500 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5502 * tree-vectorizer.h: Include tree-ssa-operands.h.
5503 (vect_phi_initial_value): New function.
5504 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
5505 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
5506 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
5507 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
5509 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5511 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
5512 the phi results to vectype after creating them. Remove later
5513 conversion code that thus becomes redundant.
5515 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5517 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
5518 the new_phis vector with a reduc_inputs vector. Combine handling
5519 of reduction chains and ncopies > 1.
5521 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5523 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
5524 scalar_results to group_size elements after reducing down from
5525 N*group_size elements. Construct an array_slice of the live-out
5526 stmts and assert that there is one stmt per scalar result.
5528 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5530 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5531 nested_in_vect_loop and use double_reduc everywhere. Remove dead
5532 assignment to "loop".
5534 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5536 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
5537 vector types first. For scalar types, consider both the preferred
5538 vector mode and the alternative vector modes.
5539 * optabs-query.c (can_vec_mask_load_store_p): Use the same
5540 structure as above, in particular using related_vector_mode
5541 for modes provided by autovectorize_vector_modes.
5543 2021-07-13 Jakub Jelinek <jakub@redhat.com>
5544 Richard Biener <rguenther@suse.de>
5546 PR tree-optimization/101419
5547 * tree-pass.h (PROP_objsz): Define.
5548 (make_pass_early_object_sizes): Declare.
5549 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
5550 there to pass_early_object_sizes, drop parameter.
5551 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
5552 drop parameter, move pass_post_ipa_warn right after that.
5553 * tree-object-size.c (pass_object_sizes::execute): Rename to...
5554 (object_sizes_execute): ... this. Add insert_min_max_p argument.
5555 (pass_data_object_sizes): Move after object_sizes_execute.
5556 (pass_object_sizes): Likewise. In execute method call
5557 object_sizes_execute, drop set_pass_param method and insert_min_max_p
5558 non-static data member and its initializer in the ctor.
5559 (pass_data_early_object_sizes, pass_early_object_sizes,
5560 make_pass_early_object_sizes): New.
5561 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
5562 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
5564 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
5567 * config/riscv/constraints.md ("S"): Update description and remove
5569 * doc/md.texi (Machine Constraints): Document the 'S' constraints
5572 2021-07-13 Richard Biener <rguenther@suse.de>
5575 2021-07-12 Richard Biener <rguenther@suse.de>
5577 * tree-vect-slp.c (vect_slp_region): Show the number of
5578 SLP graph entries in the optimization message.
5580 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
5582 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
5584 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
5585 return type to long.
5586 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
5589 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
5591 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
5592 Query relation between the 2 operands and use it.
5594 2021-07-12 Sergei Trofimovich <siarheit@google.com>
5596 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
5598 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
5601 * config/i386/predicates.md (vec_setm_sse41_operand):
5602 Rename from vec_setm_operand.
5603 (vec_setm_avx2_operand): New predicate.
5604 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
5605 Use vec_setm_sse41_operand as operand 2 predicate.
5606 (vec_set<V_256_512:mode): New expander.
5607 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
5608 as operand 2 predicate.
5610 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
5612 PR tree-optimization/101335
5613 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
5615 2021-07-12 Andrew Pinski <apinski@marvell.com>
5617 * tree-ssa-phiopt.c (match_simplify_replacement): Move
5618 insert of the sequence before the movement of the
5619 statement. Check if to see if the statement is used
5620 outside of the original phi to see if we should move it.
5622 2021-07-12 Richard Biener <rguenther@suse.de>
5624 * dump-context.h (debug_dump_context::debug_dump_context):
5625 Add FILE * parameter defaulted to stderr.
5626 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
5627 * tree-vect-slp.c (dot_slp_tree): New functions.
5629 2021-07-12 Richard Biener <rguenther@suse.de>
5631 PR tree-optimization/101373
5632 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
5633 references when the BB may not return.
5634 (compute_avail): Pass in the function we're working on and
5635 replace cfun references with it. Externally throwing
5636 const calls also possibly terminate the function.
5637 (pass_pre::execute): Pass down the function we're working on.
5638 * gcse.c (compute_hash_table_work): Externally throwing
5639 const/pure calls also need record_last_mem_set_info.
5640 * postreload-gcse.c (record_opr_changes): Looping or externally
5641 throwing const/pure calls also need record_last_mem_set_info.
5643 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
5645 * recog.c (memory_address_addr_space_p): Change the type to bool.
5646 Return true/false instead of 1/0.
5647 (offsettable_memref_p): Ditto.
5648 (offsettable_nonstrict_memref_p): Ditto.
5649 (offsettable_address_addr_space_p): Ditto.
5650 Change the type of addressp indirect function to bool.
5651 * recog.h (memory_address_addr_space_p): Change the type to bool.
5652 (strict_memory_address_addr_space_p): Ditto.
5653 (offsettable_memref_p): Ditto.
5654 (offsettable_nonstrict_memref_p): Ditto.
5655 (offsettable_address_addr_space_p): Ditto.
5656 * reload.c (maybe_memory_address_addr_space_p): Ditto.
5657 (strict_memory_address_addr_space_p): Change the type to bool.
5658 Return true/false instead of 1/0.
5659 (maybe_memory_address_addr_space_p): Change the type to bool.
5661 2021-07-12 Richard Biener <rguenther@suse.de>
5663 * tree-vect-slp.c (vect_slp_region): Show the number of
5664 SLP graph entries in the optimization message.
5666 2021-07-12 Richard Biener <rguenther@suse.de>
5668 PR tree-optimization/101394
5669 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
5670 copies from abnormals for a full redundancy.
5672 2021-07-12 Richard Biener <rguenther@suse.de>
5674 PR middle-end/101423
5675 * gimple.c (gimple_could_trap_p_1): Internal function calls
5677 * tree-eh.c (tree_could_trap_p): Likewise.
5679 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5682 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
5684 (vmulq_n_u32): Likewise.
5685 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
5686 (vmulq_n_f32): Likewise.
5687 (vmul_n_f16): Likewise.
5688 (vmulq_n_f16): Likewise.
5690 2021-07-12 Martin Liska <mliska@suse.cz>
5693 * gcc.c (check_offload_target_name): Call
5694 candidates_list_and_hint only if we have a candidate.
5696 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5699 * config/arm/neon.md (vec_init): Move to ...
5700 * config/arm/vec-common.md (vec_init): ... here.
5701 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
5703 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
5705 PR tree-optimization/101403
5706 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
5707 signedness of the shift is not the same as the signedness of
5710 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
5711 Uroš Bizjak <ubizjak@gmail.com>
5713 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
5714 divmod of a constant numerator with new define_insn_and_split.
5716 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
5719 * config/i386/i386-expand.c (ix86_expand_call): If a call is
5720 to a non-local-binding, or local but to a public symbol, then
5721 assume that it might be indirected via the lazy symbol binder.
5722 Mark R10 and R10 as clobbered in that case.
5724 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
5727 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
5728 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
5729 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
5731 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
5733 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
5734 log2 range of operands[3] to [1,31].
5735 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
5737 2021-07-09 Sergei Trofimovich <siarheit@google.com>
5739 * doc/md.texi: Don't split @smallexample in multiple @groups.
5741 2021-07-09 Sergei Trofimovich <siarheit@google.com>
5743 * doc/md.texi: Add missing 'see' word.
5745 2021-07-09 Andrew Pinski <apinski@marvell.com>
5747 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
5748 to take sequence and gimple_match_op. Accept the case where
5749 op is a SSA_NAME and one statement in the sequence.
5750 Also allow constants.
5751 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
5752 Update call to phiopt_early_allow. Discard the sequence if not
5755 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
5760 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
5761 instead of ISA_HAS_MSA.
5762 (mips_expand_vec_unpack): Likewise.
5763 (mips_expand_vector_init): Likewise.
5765 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
5767 * config/rs6000/vsx.md (mods_<mode>): Rename to...
5768 (mod<mode>3): ... this.
5769 (modu_<mode>): Rename to...
5770 (umod<mode>3): ... this.
5771 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
5774 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
5776 * config/h8300/shiftrotate.md (variable shifts): Expose condition
5777 code handling for the test before the loop.
5779 2021-07-08 Martin Jambor <mjambor@suse.cz>
5782 * ipa-sra.c (class isra_call_summary): New member
5783 m_before_any_store, initialize it in the constructor.
5784 (isra_call_summary::dump): Dump the new field.
5785 (ipa_sra_call_summaries::duplicate): Copy it.
5786 (process_scan_results): Set it.
5787 (isra_write_edge_summary): Stream it.
5788 (isra_read_edge_summary): Likewise.
5789 (param_splitting_across_edge): Only override
5790 safe_to_import_accesses if m_before_any_store is set.
5792 2021-07-08 Martin Sebor <msebor@redhat.com>
5795 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
5796 Use Object Size Type 0 instead of 1.
5798 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
5800 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
5803 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
5805 * match.pd: Simplify an extend-operate-truncate sequence involving
5808 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
5809 Richard Biener <rguenther@suse.de>
5811 PR tree-optimization/40210
5812 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
5813 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
5814 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
5816 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
5819 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
5821 * config/i386/mmx.md (V_32): New mode iterator.
5822 (mov<V_32:mode>): Use V_32 mode iterator.
5823 (*mov<V_32:mode>_internal): Ditto.
5824 (*push<V_32:mode>2_rex64): Ditto.
5825 (*push<V_32:mode>2): Ditto.
5826 (movmisalign<V_32:mode>): Ditto.
5827 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
5828 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
5829 (vec_unpacks_lo_v4qi): New expander.
5830 (vec_unpacks_hi_v4qi): Ditto.
5831 (vec_unpacku_lo_v4qi): Ditto.
5832 (vec_unpacku_hi_v4qi): Ditto.
5833 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
5834 (VALID_INT_MODE_P): Ditto.
5836 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
5839 * config/rs6000/rs6000.md (udivti3): New insn.
5841 (umodti3): New insn.
5844 2021-07-07 Martin Sebor <msebor@redhat.com>
5846 PR tree-optimization/100137
5847 PR tree-optimization/99121
5848 PR tree-optimization/97027
5849 * builtins.c (access_ref::access_ref): Also set offmax.
5850 (access_ref::offset_in_range): Define new function.
5851 (access_ref::add_offset): Set offmax.
5852 (access_ref::inform_access): Handle access_none.
5853 (handle_mem_ref): Clear ostype.
5854 (compute_objsize_r): Handle ASSERT_EXPR.
5855 * builtins.h (struct access_ref): Add offmax member.
5856 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
5857 compute_objsize() and simplify.
5859 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
5861 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
5862 and VSX_BUILTIN_STXVP.
5864 2021-07-07 Martin Sebor <msebor@redhat.com>
5867 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
5868 a stray %K from error_at() missed in r12-2088.
5870 2021-07-07 Richard Biener <rguenther@suse.de>
5872 PR tree-optimization/99728
5873 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
5875 (mem_refs_may_alias_p): Add assert we handled aggregate
5877 (sm_seq_valid_bb): Give up when running into aggregate copies.
5878 (ref_indep_loop_p): Handle aggregate copies as never
5879 being invariant themselves but allow other refs to be
5880 disambiguated against them.
5881 (can_sm_ref_p): Do not try to apply store-motion to aggregate
5884 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
5887 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
5890 2021-07-06 Martin Sebor <msebor@redhat.com>
5892 * gimple-pretty-print.c (percent_G_format): Remove.
5893 * tree-diagnostic.c (default_tree_printer): Remove calls.
5894 * tree-pretty-print.c (percent_K_format): Remove.
5895 * tree-pretty-print.h (percent_K_format): Remove.
5897 2021-07-06 Martin Sebor <msebor@redhat.com>
5899 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
5900 Remove %K and use error_at.
5901 (aarch64_expand_fcmla_builtin): Same.
5902 (aarch64_expand_builtin_tme): Same.
5903 (aarch64_expand_builtin_memtag): Same.
5904 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
5905 (arm_expand_builtin): Same.
5906 * config/arm/arm.c (bounds_check): Same.
5908 2021-07-06 Martin Sebor <msebor@redhat.com>
5910 * builtins.c (warn_string_no_nul): Remove %G.
5911 (maybe_warn_for_bound): Same.
5912 (warn_for_access): Same.
5913 (check_access): Same.
5914 (check_strncat_sizes): Same.
5915 (expand_builtin_strncat): Same.
5916 (expand_builtin_strncmp): Same.
5917 (expand_builtin): Same.
5918 (expand_builtin_object_size): Same.
5919 (warn_dealloc_offset): Same.
5920 (maybe_emit_free_warning): Same.
5921 * calls.c (maybe_warn_alloc_args_overflow): Same.
5922 (maybe_warn_nonstring_arg): Same.
5923 (maybe_warn_rdwr_sizes): Same.
5924 * expr.c (expand_expr_real_1): Remove %K.
5925 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
5926 (gimple_fold_builtin_strncat): Same.
5927 * gimple-ssa-sprintf.c (format_directive): Same.
5928 (handle_printf_call): Same.
5929 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
5930 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
5931 (maybe_diag_access_bounds): Same. Call gimple_location.
5932 (check_bounds_or_overlap): Same.
5933 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
5934 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
5935 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
5936 (maybe_diag_stxncpy_trunc): Same.
5937 (handle_builtin_stxncpy_strncat): Same.
5938 (maybe_warn_pointless_strcmp): Same.
5939 * tree-ssa-uninit.c (maybe_warn_operand): Same.
5941 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
5944 * config/i386/predicates.md (vec_setm_operand): Enable
5945 register_operand for TARGET_SSE4_1.
5946 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
5947 as operand 2 predicate. Call ix86_expand_vector_set_var
5948 for non-constant index operand.
5949 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
5950 Call ix86_expand_vector_set_var for non-constant index operand.
5952 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
5954 * config/h8300/jumpcall.md (*branch): When possible, generate
5955 the comparison in CCZN mode.
5956 * config/h8300/predicates.md (simple_memory_operand): Reject all
5957 auto-increment addressing modes.
5959 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
5962 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
5965 2021-07-06 Richard Biener <rguenther@suse.de>
5967 * doc/md.texi (vec_fmaddsub<mode>4): Document.
5968 (vec_fmsubadd<mode>4): Likewise.
5969 * optabs.def (vec_fmaddsub$a4): Add.
5970 (vec_fmsubadd$a4): Likewise.
5971 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
5972 (IFN_VEC_FMSUBADD): Likewise.
5973 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
5974 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
5975 (addsub_pattern::build): Likewise.
5976 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
5977 and CFN_VEC_FMSUBADD are not transparent for permutes.
5978 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
5979 (vec_fmsubadd<mode>4): Likewise.
5981 2021-07-06 Richard Biener <rguenther@suse.de>
5983 * doc/invoke.texi (fmove-loop-stores): Document.
5984 * common.opt (fmove-loop-stores): New option.
5985 * opts.c (default_options_table): Enable -fmove-loop-stores
5987 * tree-ssa-loop-im.c (pass_lim::execute): Pass
5988 flag_move_loop_stores instead of true to
5989 loop_invariant_motion_in_fun.
5991 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
5993 * doc/install.texi: Document --with-dsymutil.
5995 2021-07-06 Andrew Pinski <apinski@marvell.com>
5997 PR tree-optimization/101256
5998 * dbgcnt.def (phiopt_edge_range): New counter.
5999 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
6000 Check to make sure the new name is defined in the same
6001 bb as the conditional before duplicating range info.
6002 Also add debug counter.
6004 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
6006 PR rtl-optimization/100328
6007 * config/i386/i386-options.c (ix86_option_override_internal):
6008 Set param_ira_consider_dup_in_all_alts to 0.
6010 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
6012 PR rtl-optimization/100328
6013 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
6015 * ira.c (ira_get_dup_out_num): Adjust as parameter
6016 param_ira_consider_dup_in_all_alts.
6017 * params.opt (ira-consider-dup-in-all-alts): New.
6018 * ira-conflicts.c (process_regs_for_copy): Add one parameter
6019 single_input_op_has_cstr_p.
6020 (get_freq_for_shuffle_copy): New function.
6021 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
6022 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
6024 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
6026 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
6027 generate condition code aware RTL directly.
6029 2021-07-05 Andrew Pinski <apinski@marvell.com>
6031 PR tree-optimization/101039
6032 * match.pd (A CMP 0 ? A : -A): New patterns.
6033 * tree-ssa-phiopt.c (abs_replacement): Delete function.
6034 (tree_ssa_phiopt_worker): Don't call abs_replacement.
6035 Update comment about abs_replacement.
6037 2021-07-05 Andrew Pinski <apinski@marvell.com>
6039 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
6040 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
6042 2021-07-05 Andrew Pinski <apinski@marvell.com>
6044 * tree-ssa-phiopt.c (match_simplify_replacement):
6045 Add early_p argument. Call gimple_simplify_phiopt
6046 instead of gimple_simplify.
6047 (tree_ssa_phiopt_worker): Update call to
6048 match_simplify_replacement and allow unconditionally.
6049 (phiopt_early_allow): New function.
6050 (gimple_simplify_phiopt): New function.
6052 2021-07-05 Andrew Pinski <apinski@marvell.com>
6054 PR middle-end/101237
6055 * fold-const.c (negate_expr_p): Remove call to element_mode
6056 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
6057 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
6058 (fold_negate_expr_1): Likewise.
6059 (const_unop): Likewise.
6060 (fold_cond_expr_with_comparison): Likewise.
6061 (fold_binary_loc): Likewise.
6062 (fold_ternary_loc): Likewise.
6063 (tree_call_nonnegative_warnv_p): Likewise.
6064 * match.pd (-(A + B) -> (-B) - A): Likewise.
6066 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
6068 * configure.ac: Handle --with-dsymutil in the same way as we
6069 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
6070 Extract the type and version for the dsymutil configured or
6071 found by the default searches.
6072 * config.in: Regenerated.
6073 * configure: Regenerated.
6074 * collect2.c (do_dsymutil): Handle locating dsymutil in the
6075 same way as for the assembler and linker.
6076 * config/darwin.h (DSYMUTIL): Delete.
6077 * gcc.c: Report a configured dsymutil correctly.
6078 * exec-tool.in: Allow for dsymutil.
6080 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
6082 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
6083 Handle V4QI and V2HI modes.
6084 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
6085 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
6086 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
6087 Handle 4-byte dual operands with TARGET_XOP and single operands
6088 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
6089 mmx_pshufbv4qi3 for TARGET_SSSE3.
6090 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
6091 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
6092 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
6093 (expand_vec_perm_even_odd_1): Handle V4QI mode.
6094 (expand_vec_perm_broadcast_1): Handle V4QI mode.
6095 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
6096 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
6097 (mmx_pshufbv4qi3): Ditto.
6098 (*mmx_pblendw32): Ditto.
6099 (*mmx_pblendw64): Rename from *mmx_pblendw.
6100 (mmx_punpckhbw_low): New insn_and_split pattern.
6101 (mmx_punpcklbw_low): Ditto.
6103 2021-07-05 Richard Biener <rguenther@suse.de>
6105 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
6106 set LOOP_C_INFINITE on the vectorized loop.
6108 2021-07-05 Richard Biener <rguenther@suse.de>
6110 PR middle-end/101291
6111 * cfgloopmanip.c (loop_version): Set the loop copy of the
6112 versioned loop to the new loop.
6114 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
6117 * config.gcc: Ensure that Darwin biarch definitions are
6118 added before i386.h.
6119 * config/i386/darwin.h (TARGET_64BIT): Remove.
6120 (PR80556_WORKAROUND): New.
6121 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
6122 (DARWIN_SUBARCH_SPEC): New.
6123 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
6124 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
6125 (REAL_LIBGCC_SPEC): Remove.
6126 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
6127 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
6128 (REAL_LIBGCC_SPEC): Remove.
6130 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
6132 PR middle-end/101294
6133 * expr.c (store_constructor): Don't use vec_duplicate on vector.
6135 2021-07-02 Martin Sebor <msebor@redhat.com>
6139 * diagnostic.c (get_any_inlining_info): New.
6140 (update_effective_level_from_pragmas): Handle inlining context.
6141 (diagnostic_enabled): Same.
6142 (diagnostic_report_diagnostic): Same.
6143 * diagnostic.h (struct diagnostic_info): Add ctor.
6144 (struct diagnostic_context): Add new member.
6145 * tree-diagnostic.c (set_inlining_locations): New.
6146 (tree_diagnostics_defaults): Set new callback pointer.
6148 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
6150 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
6152 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
6153 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
6154 lxvp and stxvp built-ins.
6155 (mma_init_builtins): Handle lxvp and stxvp built-ins.
6156 (builtin_function_type): Likewise.
6157 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
6159 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6161 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
6162 additional argument for the code.
6163 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
6164 argument for the code. Just return if the ZN bits are useful or
6165 not rather than the old style CC_* enums.
6166 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
6167 more generic shiftqi patterns.
6168 (shifthi_noscratch, shiftsi_noscratch): Similarly.
6169 (shiftqi_noscratch_set_flags): New pattern.
6170 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
6172 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
6174 PR tree-optimization/101223
6175 * range-op.cc (build_lt): Add -1 for signed values.
6176 (built_gt): Subtract -1 for signed values.
6178 2021-07-02 David Faust <david.faust@oracle.com>
6180 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
6181 (btf_asm_type): Likewise.
6183 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6185 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
6186 an array of rtx rather than a pointer to rtx. Add code argument.
6187 (compute_a_shift_length): Similarly.
6188 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
6189 shift itself isn't an operand. Create dummy operand[0] to carry
6190 a mode and pass a suitable rtx code to compute_a_shift_length.
6191 (get_shift_alg): Adjust operand number of clobber in output templates.
6192 (output_a_shift): Make first argument an array of rtx rather than
6193 a pointer to rtx. Add code argument for the type of shift.
6194 Adjust now that the shift itself is no longer an operand.
6195 (compute_a_shift_length): Similarly.
6196 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
6197 iterator rather than nshift_operator.
6198 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
6199 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
6200 and compute_a_shift_length.
6201 (shiftqi_noscratch_clobber_flags): Likewise.
6202 (shifthi_noscratch_clobber_flags): Likewise.
6203 (shiftsi_noscratch_clobber_flags): Likewise.
6205 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
6208 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
6209 dsymutil for BTF/CTF.
6211 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
6214 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
6215 segment to include BTF.
6216 (BTF_INFO_SECTION_NAME): New.
6218 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6220 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
6221 (small_data_operand, memreg_operand, small_insn_p): Likewise.
6222 * config/m32r/m32r.c (call_operand): Adjust return type.
6223 (small_data_operand, memreg_operand): Likewise.
6225 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6227 * config/frv/frv-protos.h (integer_register_operand): Adjust return
6229 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
6230 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
6231 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
6232 (move_source_operand, move_destination_operand): Likewise.
6233 (condexec_source_operand, condexec_dest_operand): Likewise.
6234 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
6235 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
6236 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
6237 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
6238 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
6239 (even_fpr_operand, odd_fpr_operand): Likewise.
6240 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
6241 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
6242 (uint4_operand, uint1_operand, int_2word_operand): Likewise
6243 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
6244 (relational_operator, float_relational_operator): Likewise.
6245 (ccr_eqne_operator, minmax_operator): Likewise.
6246 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
6247 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
6248 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
6249 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
6250 (quad_acc_operand, accg_operand): Likewise.
6252 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6254 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
6255 return type to a bool.
6256 (nonimmediate_nonstack_operand): Likewise.
6257 (xstormy16_splittable_below100_operand): Likewise.
6258 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
6260 (xstormy16_splittable_below100_operand): Likewise.
6262 2021-07-02 Richard Biener <rguenther@suse.de>
6264 PR tree-optimization/101293
6265 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
6266 with combined offsets.
6267 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
6268 combined with the rest of the offset.
6270 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
6272 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
6273 PIC encodings for PE-COFF targets.
6275 2021-07-02 Jakub Jelinek <jakub@redhat.com>
6278 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
6279 Return nullptr for TImode inner mode.
6281 2021-07-02 Richard Biener <rguenther@suse.de>
6283 PR tree-optimization/101280
6284 PR tree-optimization/101173
6285 * gimple-loop-interchange.cc
6286 (tree_loop_interchange::valid_data_dependences): Properly
6287 guard all dependence checks with DDR_REVERSED_P or its
6290 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
6292 * config/i386/i386-expand.c (ix86_expand_builtin):
6293 Add branch to clear odata when ZF is set for asedecenc_expand
6294 and wideaesdecenc_expand.
6296 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
6298 * config/i386/gcc-auto-profile: regenerate
6300 2021-07-02 liuhongt <hongtao.liu@intel.com>
6302 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
6303 (trunc<mode><pmov_dst_4_lower>2): this.
6305 2021-07-01 David Malcolm <dmalcolm@redhat.com>
6307 * diagnostic.h (diagnostic_context::m_file_cache): New field.
6308 * input.c (class fcache): Rename to...
6309 (class file_cache_slot): ...this, making most members private and
6310 prefixing fields with "m_".
6311 (file_cache_slot::get_file_path): New accessor.
6312 (file_cache_slot::get_use_count): New accessor.
6313 (file_cache_slot::missing_trailing_newline_p): New accessor.
6314 (file_cache_slot::inc_use_count): New.
6315 (fcache_buffer_size): Move to...
6316 (file_cache_slot::buffer_size): ...here.
6317 (fcache_line_record_size): Move to...
6318 (file_cache_slot::line_record_size): ...here.
6319 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
6320 (fcache_tab_size): Move to file_cache::num_file_slots.
6321 (diagnostic_file_cache_init): Update for move of fcache_tab
6322 to global_dc->m_file_cache.
6323 (diagnostic_file_cache_fini): Likewise.
6324 (lookup_file_in_cache_tab): Convert to...
6325 (file_cache::lookup_file): ...this.
6326 (diagnostics_file_cache_forcibly_evict_file): Update for move of
6327 fcache_tab to global_dc->m_file_cache, moving most of
6328 implementation to...
6329 (file_cache::forcibly_evict_file): ...this new function and...
6330 (file_cache_slot::evict): ...this new function.
6331 (evicted_cache_tab_entry): Convert to...
6332 (file_cache::evicted_cache_tab_entry): ...this.
6333 (add_file_to_cache_tab): Convert to...
6334 (file_cache::add_file): ...this, moving bulk of implementation
6336 (file_cache_slot::create): ..this new function.
6337 (file_cache::file_cache): New.
6338 (file_cache::~file_cache): New.
6339 (lookup_or_add_file_to_cache_tab): Convert to...
6340 (file_cache::lookup_or_add_file): ..this new function.
6341 (fcache::fcache): Rename to...
6342 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
6344 (fcache::~fcache): Rename to...
6345 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
6347 (needs_read): Convert to...
6348 (file_cache_slot::needs_read_p): ...this.
6349 (needs_grow): Convert to...
6350 (file_cache_slot::needs_grow_p): ...this.
6351 (maybe_grow): Convert to...
6352 (file_cache_slot::maybe_grow): ...this.
6353 (read_data): Convert to...
6354 (file_cache_slot::read_data): ...this.
6355 (maybe_read_data): Convert to...
6356 (file_cache_slot::maybe_read_data): ...this.
6357 (get_next_line): Convert to...
6358 (file_cache_slot::get_next_line): ...this.
6359 (goto_next_line): Convert to...
6360 (file_cache_slot::goto_next_line): ...this.
6361 (read_line_num): Convert to...
6362 (file_cache_slot::read_line_num): ...this.
6363 (location_get_source_line): Update for moving of globals to
6364 global_dc->m_file_cache.
6365 (location_missing_trailing_newline): Likewise.
6366 * input.h (class file_cache_slot): New forward decl.
6367 (class file_cache): New.
6369 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
6371 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
6372 128-bit floating point conditional move support.
6373 (have_compare_and_set_mask): Add IEEE 128-bit floating point
6375 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
6376 (mov<mode>cc_p10, IEEE128 iterator): New insn.
6377 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
6378 (fpmask<mode>, IEEE128 iterator): New insn.
6379 (xxsel<mode>, IEEE128 iterator): New insn.
6381 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
6384 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
6386 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
6388 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
6390 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
6392 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
6393 (vec_duplicate<mode>): New expander.
6395 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
6398 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
6400 (ix86_byte_broadcast): New function.
6401 (ix86_convert_const_wide_int_to_broadcast): Likewise.
6402 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
6403 size is 16 bytes or bigger.
6404 (ix86_broadcast_from_integer_constant): New function.
6405 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
6406 to broadcast if mode size is 16 bytes or bigger.
6407 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
6409 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
6411 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6413 * config/i386/predicates.md (ix86_endbr_immediate_operand):
6414 Return true/false instead of 1/0.
6415 (movq_parallel): Ditto.
6417 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6419 * recog.c (general_operand): Return true/false instead of 1/0.
6420 (register_operand): Ditto.
6421 (immediate_operand): Ditto.
6422 (const_int_operand): Ditto.
6423 (const_scalar_int_operand): Ditto.
6424 (const_double_operand): Ditto.
6425 (push_operand): Ditto.
6426 (pop_operand): Ditto.
6427 (memory_operand): Ditto.
6428 (indirect_operand): Ditto.
6430 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6432 * genpreds.c (write_predicate_subfunction):
6433 Change the type of written subfunction to bool.
6434 (write_one_predicate_function):
6435 Change the type of written function to bool.
6436 (write_tm_preds_h): Ditto.
6437 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
6438 * recog.c (general_operand): Change the type to bool.
6439 (address_operand): Ditto.
6440 (register_operand): Ditto.
6441 (pmode_register_operand): Ditto.
6442 (scratch_operand): Ditto.
6443 (immediate_operand): Ditto.
6444 (const_int_operand): Ditto.
6445 (const_scalar_int_operand): Ditto.
6446 (const_double_operand): Ditto.
6447 (nonimmediate_operand): Ditto.
6448 (nonmemory_operand): Ditto.
6449 (push_operand): Ditto.
6450 (pop_operand): Ditto.
6451 (memory_operand): Ditto.
6452 (indirect_operand): Ditto.
6453 (ordered_comparison_operator): Ditto.
6454 (comparison_operator): Ditto.
6455 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
6456 Change the type of indirect predicate function to bool.
6457 * config/rs6000/rs6000.c (easy_vector_constant):
6458 Change the type to bool.
6459 * config/mips/mips-protos.h (m16_based_address_p):
6460 Change the type of operand 3 to bool.
6462 2021-07-01 Richard Biener <rguenther@suse.de>
6464 PR tree-optimization/101280
6465 PR tree-optimization/101173
6466 * gimple-loop-interchange.cc
6467 (tree_loop_interchange::valid_data_dependences): Revert
6468 previous change and instead correctly handle DDR_REVERSED_P
6471 2021-07-01 Richard Biener <rguenther@suse.de>
6473 PR tree-optimization/101278
6474 * tree-ssa-dse.c (dse_classify_store): First check for
6475 uses, then ignore stmt for chaining purposes.
6477 2021-07-01 Richard Biener <rguenther@suse.de>
6479 PR tree-optimization/100778
6480 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
6481 vectorized ops ahead of their scalar BB.
6483 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6486 * config/i386/i386.md (*nabs<dwi>2_doubleword):
6487 New insn_and_split pattern.
6488 (*nabs<dwi>2_1): Ditto.
6489 * config/i386/i386-features.c
6490 (general_scalar_chain::compute_convert_gain):
6491 Handle (NEG (ABS (...))) RTX. Rewrite src code
6492 scanner as switch statement.
6493 (general_scalar_chain::convert_insn):
6494 Handle (NEG (ABS (...))) RTX.
6495 (general_scalar_to_vector_candidate_p):
6496 Detect (NEG (ABS (...))) RTX. Reorder case statements
6497 for (AND (NOT (...) ...)) fallthrough.
6499 2021-07-01 Richard Biener <rguenther@suse.de>
6501 PR tree-optimization/101178
6502 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
6503 (slpg::perm_in): Add.
6504 (slpg::get_perm_in): Remove.
6505 (slpg::get_perm_materialized): Add.
6506 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
6507 during permute propagation and materialization.
6509 2021-07-01 Jakub Jelinek <jakub@redhat.com>
6512 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
6514 2021-07-01 Jakub Jelinek <jakub@redhat.com>
6517 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
6518 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
6519 use boolean_type_node instead of integer_type_node as NE_EXPR type.
6520 (lower_reduction_clauses): Likewise.
6522 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6524 * config/gcn/gcn.c: Include dwarf2.h.
6525 (gcn_addr_space_debug): New function.
6526 (TARGET_ADDR_SPACE_DEBUG): New hook.
6528 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6530 * common/config/gcn/gcn-common.c
6531 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
6532 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
6534 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
6535 (gcn_frame_pointer_rqd): New function.
6536 (TARGET_FRAME_POINTER_REQUIRED): New hook.
6538 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6540 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
6541 prologue register saves.
6542 (gcn_debug_unwind_info): Use UI_DWARF2.
6543 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
6544 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
6545 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
6546 (DWARF_LINK_REGISTER): New define.
6547 (FIRST_PSEUDO_REGISTER): Increment.
6548 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
6549 (CALL_USED_REGISTERS): Likewise.
6550 (REGISTER_NAMES): Likewise.
6552 2021-06-30 Richard Biener <rguenther@suse.de>
6554 PR tree-optimization/101267
6555 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
6556 API and use SLP compatible interface of vect_is_simple_use.
6557 Reject not vectorized SLP defs for callers that do not support
6559 (vect_check_store_rhs): Handle masked stores and pass down
6560 the appropriate operator index.
6561 (vectorizable_call): Adjust.
6562 (vectorizable_store): Likewise.
6563 (vectorizable_load): Likewise. Handle SLP pecularity of
6565 (vect_is_simple_use): Remove special-casing of masked stores.
6567 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
6569 * common.opt (foffload): Remove help as Driver only.
6570 * gcc.c (display_help): Add -foffload.
6572 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
6574 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
6575 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
6576 a candidate list; better inform no offload target is configured
6577 and fix hint extraction when passed target is not '\0' at [len].
6578 * common.opt (foffload): Add tailing '.'.
6579 (foffload-options): Likewise; fix flag name in the help string.
6581 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
6584 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
6585 (vcage_f32): Gate comparison on __FAST_MATH__.
6586 (vcageq_f32): Likewise.
6587 (vcale_f32): Likewise.
6588 (vcaleq_f32): Likewise.
6589 (vcagt_f32): Likewise.
6590 (vcagtq_f32): Likewise.
6591 (vcalt_f32): Likewise.
6592 (vcaltq_f32): Likewise.
6593 (vcage_f16): Likewise.
6594 (vcageq_f16): Likewise.
6595 (vcale_f16): Likewise.
6596 (vcaleq_f16): Likewise.
6597 (vcagt_f16): Likewise.
6598 (vcagtq_f16): Likewise.
6599 (vcalt_f16): Likewise.
6600 (vcaltq_f16): Likewise.
6602 2021-06-30 Richard Biener <rguenther@suse.de>
6604 PR tree-optimization/101264
6605 * tree-vect-slp.c (vect_optimize_slp): Propagate the
6606 computed perm_in to all "any" permute successors
6607 we cannot de-duplicate immediately.
6609 2021-06-30 liuhongt <hongtao.liu@intel.com>
6612 * config/i386/sse.md
6613 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
6615 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
6617 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
6618 * config/i386/subst.md (maskz_scalar): New define_subst.
6619 (maskz_scalar_name): New subst_attr.
6620 (maskz_scalar_op5): Ditto.
6621 (round_saeonly_maskz_scalar_op5): Ditto.
6622 (round_saeonly_maskz_scalar_operand5): Ditto.
6624 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
6626 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
6627 Increase code CSECT alignment to at least 32 bytes.
6628 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
6629 alignment designation.
6631 2021-06-29 Sergei Trofimovich <siarheit@google.com>
6633 * doc/generic.texi: Fix s/net yet/not yet/ typo.
6635 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6637 PR tree-optimization/101254
6638 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
6639 wrapping/non-wrapping when setting the result range.
6641 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6643 * value-query.cc (gimple_range_global): Allow phis.
6645 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6647 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
6648 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
6649 statement for location context.
6650 (check_for_binary_op_overflow): Ditto.
6651 (simplify_using_ranges::get_vr_for_comparison): Ditto.
6652 (simplify_using_ranges::compare_name_with_value): Ditto.
6653 (simplify_using_ranges::compare_names): Ditto.
6654 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
6655 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
6656 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
6657 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
6658 (simplify_using_ranges::two_valued_val_range_p): Ditto.
6659 (simplify_using_ranges::simplify): Ditto.
6660 * vr-values.h: Adjust prototypes.
6662 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
6665 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
6667 2021-06-29 Julian Brown <julian@codesourcery.com>
6669 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
6670 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
6671 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
6673 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
6674 (MAX_FIXED_MODE_SIZE): Change to 128.
6676 2021-06-29 Julian Brown <julian@codesourcery.com>
6678 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
6679 (s_mnemonic): Add clrsb.
6680 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
6681 (clrsb<mode>2): Add expander for SImode/DImode.
6683 2021-06-29 Julian Brown <julian@codesourcery.com>
6685 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
6686 muldi3): Add patterns.
6688 2021-06-29 Julian Brown <julian@codesourcery.com>
6690 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
6691 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
6693 2021-06-29 Julian Brown <julian@codesourcery.com>
6695 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
6697 2021-06-29 Joseph Myers <joseph@codesourcery.com>
6699 * btfout.c, ctfout.c: Include "memmodel.h".
6701 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6703 * gcc.c (check_offload_target_name): Cast len argument to
6704 %q.*s to 'int'; avoid -Wstringop-truncation warning.
6706 2021-06-29 Richard Biener <rguenther@suse.de>
6708 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
6709 to "any" permute nodes and relax "any" permute proapgation
6710 during iterative backward propagation.
6712 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6715 * common.opt (-foffload=): Update description.
6716 (-foffload-options=): New.
6717 * doc/invoke.texi (C Language Options): Document
6718 -foffload and -foffload-options.
6719 * gcc.c (check_offload_target_name): New, split off from
6720 handle_foffload_option.
6721 (check_foffload_target_names): New.
6722 (handle_foffload_option): Handle -foffload=default.
6723 (driver_handle_option): Update for -foffload-options.
6724 * lto-opts.c (lto_write_options): Use -foffload-options
6725 instead of -foffload.
6726 * lto-wrapper.c (merge_and_complain, append_offload_options):
6728 * opts.c (common_handle_option): Likewise.
6730 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6732 * doc/invoke.texi (C Language Options): Sort options
6733 alphabetically in optlist and also the description itself.
6734 Remove leftover -fallow-single-precision from and add missing
6735 -fgnu-tm to the optlist.
6737 2021-06-29 Richard Biener <rguenther@suse.de>
6739 * tree-vect-slp.c (slpg_vertex::visited): Remove.
6740 (vect_slp_perms_eq): Handle -1 permutes.
6741 (vect_optimize_slp): Rewrite permute propagation.
6743 2021-06-29 Jakub Jelinek <jakub@redhat.com>
6746 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
6747 perform the optimization in GENERIC when sanitizing and x has a
6750 2021-06-29 Richard Biener <rguenther@suse.de>
6752 PR tree-optimization/101242
6753 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
6754 PHIs with not represented initial values as leafs.
6756 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
6758 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
6759 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
6761 (pdp11_initial_elimination_offset) Remove unused variable.
6762 (pdp11_cmp_length) Ditto.
6763 (pdp11_insn_cost): Ditto, and fix signedness warning.
6765 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
6767 * btfout.c: Include tm_p.h.
6770 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6772 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
6774 (bpf_expand_epilogue): Likewise.
6775 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
6776 Do not define DBX_DEBUGGING_INFO.
6778 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6780 * doc/invoke.texi: Document the CTF and BTF debug info options.
6782 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6783 David Faust <david.faust@oracle.com>
6784 Jose E. Marchesi <jose.marchesi@oracle.com>
6785 Weimin Pan <weimin.pan@oracle.com>
6787 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
6788 GTFILES. Add new object files.
6789 * common.opt: Add CTF and BTF debug info options.
6790 * btfout.c: New file.
6793 * ctfout.c: Likewise.
6794 * dwarf2ctf.c: Likewise.
6795 * dwarf2ctf.h: Likewise.
6796 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
6798 * dwarf2out.c (dwarf2out_source_line): Likewise.
6799 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
6801 (debug_format_do_cu): New function.
6802 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
6804 Include dwarf2ctf.c.
6805 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
6807 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
6808 (CTF_DEBUG): New bitmask.
6809 (BTF_DEBUG): Likewise.
6810 (enum ctf_debug_info_levels): New enum.
6811 * gengtype.c (open_base_files): Handle ctfc.h.
6812 (main): Handle uint32_t type.
6813 * flags.h (btf_debuginfo_p): New definition.
6814 (dwarf_based_debuginfo_p): Likewise.
6815 * opts.c (debug_type_names): Add entries for CTF and BTF.
6816 (btf_debuginfo_p): New function.
6817 (dwarf_based_debuginfo_p): Likewise.
6818 (common_handle_option): Handle -gctfN and -gbtf options.
6819 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
6820 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
6823 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
6825 * dwarf2out.c (AT_class): Function is no longer static.
6827 (AT_unsigned): Likewise.
6830 (get_AT_string): Likewise.
6831 (get_AT_flag): Likewise.
6832 (get_AT_unsigned): Likewise.
6833 (get_AT_ref): Likewise.
6834 (new_die_raw): Likewise.
6835 (lookup_decl_die): Likewise.
6836 (base_type_die): Likewise.
6837 (add_name_attribute): Likewise.
6838 (add_AT_int): Likewise.
6839 (add_AT_unsigned): Likewise.
6840 (add_AT_loc): Likewise.
6841 (dw_get_die_tag): New function.
6842 (dw_get_die_child): Likewise.
6843 (dw_get_die_sib): Likewise.
6844 (struct dwarf_file_data): Move from here to dwarf2out.h
6845 (struct dw_attr_struct): Likewise.
6846 * dwarf2out.h: Analogous changes.
6848 2021-06-28 Martin Jambor <mjambor@suse.cz>
6851 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
6852 members m_dead_stmts and m_dead_ssas.
6853 * ipa-param-manipulation.c
6854 (ipa_param_body_adjustments::mark_dead_statements): New function.
6855 (ipa_param_body_adjustments::common_initialization): Call it on
6856 all removed but not split parameters.
6857 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
6859 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
6861 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
6862 dead debug statements.
6863 (copy_phis_for_bb): Do not copy dead PHI nodes.
6865 2021-06-28 Martin Jambor <mjambor@suse.cz>
6868 * symtab-clones.h (clone_info): Removed member param_adjustments.
6869 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
6870 deal with pass-through splits now.
6871 (ipa_param_performed_split): Removed.
6872 (ipa_param_adjustments::modify_call): Adjusted parameters.
6873 (class ipa_param_body_adjustments): Adjusted parameters of
6874 register_replacement, modify_gimple_stmt and modify_call_stmt.
6875 (ipa_verify_edge_has_no_modifications): Declare.
6876 (ipa_edge_modifications_finalize): Declare.
6877 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
6878 performed_splits processing, pas only edge to padjs->modify_call,
6879 check that call arguments were not modified if they should not have
6881 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
6883 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
6884 (ipa_edge_modification_info): Likewise.
6885 (ipa_edge_modification_sum): Likewise.
6886 (ipa_edge_modifications): New edge summary.
6887 (ipa_verify_edge_has_no_modifications): New function.
6888 (transitive_split_p): Removed.
6889 (transitive_split_map): Likewise.
6890 (init_transitive_splits): Likewise.
6891 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
6892 summary instead of performed_splits.
6893 (ipa_param_body_adjustments::register_replacement): Drop dummy
6894 parameter, set base_index of the created ipa_param_body_replacement.
6895 (phi_arg_will_live_p): New function.
6896 (ipa_param_body_adjustments::common_initialization): Do not create
6897 IPA_SRA dummy decls.
6898 (simple_tree_swap_info): Removed.
6899 (remap_split_decl_to_dummy): Likewise.
6900 (record_argument_state_1): New function.
6901 (record_argument_state): Likewise.
6902 (ipa_param_body_adjustments::modify_call_stmt): New parameter
6903 orig_stmt. Do not work with dummy decls, save necessary info about
6904 changes to ipa_edge_modifications.
6905 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
6906 orig_stmt, pass it to modify_call_stmt.
6907 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
6909 (ipa_edge_modifications_finalize): New function.
6910 * tree-inline.c (remap_gimple_stmt): Pass original statement to
6912 (copy_phis_for_bb): Do not copy dead PHI nodes.
6913 (expand_call_inline): Do not remap performed_splits.
6914 (update_clone_info): Likewise.
6915 * toplev.c: Include ipa-param-manipulation.h.
6916 (toplev::finalize): Call ipa_edge_modifications_finalize.
6918 2021-06-28 Andrew Pinski <apinski@marvell.com>
6920 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
6921 info if we're the only things setting the target PHI.
6922 (value_replacement): Don't duplicate range here.
6923 (minmax_replacement): Likewise.
6925 2021-06-28 Richard Biener <rguenther@suse.de>
6927 PR tree-optimization/101229
6928 * gimple-walk.c (gimple_walk_op): Handle PHIs.
6930 2021-06-28 Martin Liska <mliska@suse.cz>
6932 * config/v850/v850.c (construct_dispose_instruction): Allocate
6934 (construct_prepare_instruction): Likewise.
6936 2021-06-28 Martin Liska <mliska@suse.cz>
6938 * config/v850/v850.c (v850_option_override): Build default
6940 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
6941 ignored for inlining.
6942 (TARGET_CAN_INLINE_P): New.
6944 2021-06-28 Richard Biener <rguenther@suse.de>
6946 PR tree-optimization/101207
6947 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
6948 permute eliding for load permutations properly.
6950 2021-06-28 Richard Biener <rguenther@suse.de>
6952 PR tree-optimization/101173
6953 * gimple-loop-interchange.cc
6954 (tree_loop_interchange::valid_data_dependences): Disallow outer
6955 loop dependence distance of zero.
6957 2021-06-28 liuhongt <hongtao.liu@intel.com>
6960 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
6961 define_insn_and_split.
6962 (*avx_cmp<mode>3_ltint): Ditto.
6963 (*avx2_pcmp<mode>3_3): Ditto.
6964 (*avx2_pcmp<mode>3_4): Ditto.
6965 (*avx2_pcmp<mode>3_5): Ditto.
6967 2021-06-28 liuhongt <hongtao.liu@intel.com>
6969 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
6970 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
6971 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
6972 IX86_BUILTIN_PBLENDVB128): Replace icode with
6974 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
6976 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
6977 New pre_reload splitter.
6979 2021-06-27 Andrew Pinski <apinski@marvell.com>
6981 PR middle-end/101230
6982 * fold-const.c (fold_ternary_loc): Check
6983 the return value of invert_tree_comparison.
6985 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
6987 * config.gcc: Add SPDX License Identifier.
6988 (powerpc-ibm-aix789): Default to aix73.h.
6989 (powerpc-ibm-aix7.2.*.*): New stanza.
6990 * config/rs6000/aix72.h: Add SPDX License Identifier.
6991 * config/rs6000/aix73.h: New file.
6993 2021-06-26 Jason Merrill <jason@redhat.com>
6995 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
6997 2021-06-26 Andrew Pinski <apinski@marvell.com>
6999 * genmatch.c (lower_cond): Copy for_subst_vec
7000 for the simplify also.
7001 (lower): Swap the order for lower_for and lower_cond.
7003 2021-06-26 Andrew Pinski <apinski@marvell.com>
7005 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
7006 flow senatitive info on the moved ssa set.
7008 2021-06-26 Andrew Pinski <apinski@marvell.com>
7010 * fold-const.c (fold_cond_expr_with_comparison):
7011 Exand arg0 into comp_code, arg00, and arg01.
7012 (fold_ternary_loc): Use invert_tree_comparison
7013 instead of fold_invert_truthvalue for the case
7014 where we have A CMP B ? C : A.
7016 2021-06-25 Martin Sebor <msebor@redhat.com>
7018 PR middle-end/101216
7019 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
7021 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
7023 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
7025 2021-06-25 Richard Biener <rguenther@suse.de>
7027 PR tree-optimization/101202
7028 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
7031 2021-06-25 Richard Biener <rguenther@suse.de>
7033 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
7034 STMT_VINFO_REDUC_DEF from the original representative.
7036 2021-06-25 Martin Sebor <msebor@redhat.com>
7038 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
7039 gimple_no_warning_p and gimple_set_no_warning with
7040 warning_suppressed_p, and suppress_warning.
7042 (maybe_warn_for_bound): Same.
7043 (warn_for_access): Same.
7044 (check_access): Same.
7045 (expand_builtin_strncmp): Same.
7046 (fold_builtin_varargs): Same.
7047 * calls.c (maybe_warn_nonstring_arg): Same.
7048 (maybe_warn_rdwr_sizes): Same.
7049 * cfgexpand.c (expand_call_stmt): Same.
7050 * cgraphunit.c (check_global_declaration): Same.
7051 * fold-const.c (fold_undefer_overflow_warnings): Same.
7052 (fold_truth_not_expr): Same.
7053 (fold_unary_loc): Same.
7054 (fold_checksum_tree): Same.
7055 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
7056 (array_bounds_checker::check_mem_ref): Same.
7057 (array_bounds_checker::check_addr_expr): Same.
7058 (array_bounds_checker::check_array_bounds): Same.
7059 * gimple-expr.c (copy_var_decl): Same.
7060 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
7061 (gimple_fold_builtin_strncat): Same.
7062 (gimple_fold_builtin_stxcpy_chk): Same.
7063 (gimple_fold_builtin_stpcpy): Same.
7064 (gimple_fold_builtin_sprintf): Same.
7065 (fold_stmt_1): Same.
7066 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
7067 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
7068 * gimple-ssa-sprintf.c (handle_printf_call): Same.
7069 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
7070 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
7071 * gimple-ssa-warn-restrict.h: Adjust declarations.
7072 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
7073 gimple_no_warning_p and gimple_set_no_warning with
7074 warning_suppressed_p, and suppress_warning.
7076 (check_bounds_or_overlap): Same.
7077 * gimple.c (gimple_build_call_from_tree): Same.
7078 * gimplify.c (gimplify_return_expr): Same.
7079 (gimplify_cond_expr): Same.
7080 (gimplify_modify_expr_complex_part): Same.
7081 (gimplify_modify_expr): Same.
7082 (gimple_push_cleanup): Same.
7083 (gimplify_expr): Same.
7084 * omp-expand.c (expand_omp_for_generic): Same.
7085 (expand_omp_taskloop_for_outer): Same.
7086 * omp-low.c (lower_rec_input_clauses): Same.
7087 (lower_lastprivate_clauses): Same.
7088 (lower_send_clauses): Same.
7089 (lower_omp_target): Same.
7090 * tree-cfg.c (pass_warn_function_return::execute): Same.
7091 * tree-complex.c (create_one_component_var): Same.
7092 * tree-inline.c (remap_gimple_op_r): Same.
7093 (copy_tree_body_r): Same.
7094 (declare_return_variable): Same.
7095 (expand_call_inline): Same.
7096 * tree-nested.c (lookup_field_for_decl): Same.
7097 * tree-sra.c (create_access_replacement): Same.
7098 (generate_subtree_copies): Same.
7099 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
7100 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
7101 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
7102 * tree-ssa-loop-im.c (execute_sm): Same.
7103 * tree-ssa-phiopt.c (cond_store_replacement): Same.
7104 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
7105 (handle_builtin_strcpy): Same.
7106 (maybe_diag_stxncpy_trunc): Same.
7107 (handle_builtin_stxncpy_strncat): Same.
7108 (handle_builtin_strcat): Same.
7109 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
7110 (set_no_uninit_warning): Same.
7111 (uninit_undefined_value_p): Same.
7112 (warn_uninit): Same.
7113 (maybe_warn_operand): Same.
7114 * tree-vrp.c (compare_values_warnv): Same.
7115 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
7116 (test_for_singularity): Same.
7117 * gimple.h (warning_suppressed_p): New function.
7118 (suppress_warning): Same.
7119 (copy_no_warning): Same.
7120 (gimple_set_block): Call gimple_set_location.
7121 (gimple_set_location): Call copy_warning.
7123 2021-06-25 Martin Sebor <msebor@redhat.com>
7125 * tree.h (warning_suppressed_at, copy_warning,
7126 warning_suppressed_p, suppress_warning): New functions.
7128 2021-06-25 Martin Sebor <msebor@redhat.com>
7130 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
7131 * gengtype.c (open_base_files): Add diagnostic-spec.h.
7132 * diagnostic-spec.c: New file.
7133 * diagnostic-spec.h: New file.
7134 * tree.h (no_warning, all_warnings, suppress_warning_at): New
7136 * warning-control.cc: New file.
7138 2021-06-25 liuhongt <hongtao.liu@intel.com>
7141 * config/i386/i386.c (x86_order_regs_for_local_alloc):
7144 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
7146 PR tree-optimization/101189
7147 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
7148 LHS range of condition to postfold routine.
7149 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
7150 FALSE edge if the LHS range supports it being taken.
7151 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
7153 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
7155 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
7156 (relation_oracle::find_relation_block): Check correct bitmap.
7157 (relation_oracle::dump): Do not dump NULL blocks.
7159 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
7161 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
7162 range_on_edge instead of manually calculating.
7164 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
7166 * range-op.cc: Fix comment.
7168 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
7171 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
7172 Handle V8QI and V4HI modes.
7173 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
7175 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
7176 (mmxpackmode): New mode attribute.
7177 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
7178 (mmxunpackmode): New mode attribute.
7179 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
7180 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
7181 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
7182 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
7183 * config/i386/i386.md (extsuffix): Move from ...
7184 * config/i386/sse.md: ... here.
7186 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
7188 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
7189 (dwarf2out_finish): ...instead of here.
7191 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
7193 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
7194 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
7195 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
7196 * configure: Regenerate.
7198 2021-06-24 Richard Biener <rguenther@suse.de>
7200 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
7201 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
7202 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
7204 2021-06-24 Richard Biener <rguenther@suse.de>
7206 * config/i386/sse.md (avx_addsubv4df3): Rename to
7208 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
7209 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
7210 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
7211 * config/i386/i386-builtin.def: Adjust.
7212 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
7213 * optabs.def (vec_addsub_optab): New optab.
7214 * tree-vect-slp-patterns.c (class addsub_pattern): New.
7215 (slp_patterns): Add addsub_pattern.
7216 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
7217 across CFN_VEC_ADDSUB.
7218 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
7220 * doc/md.texi (vec_addsub<mode>3): Document.
7222 2021-06-24 Jakub Jelinek <jakub@redhat.com>
7224 PR middle-end/101170
7225 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
7226 where regno + subreg_regno_offset wraps around use 0 as starting
7229 2021-06-24 Jakub Jelinek <jakub@redhat.com>
7231 PR middle-end/101172
7232 * stor-layout.c (finish_bitfield_representative): If nextf has
7233 error_mark_node type, set repr type to error_mark_node too.
7235 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
7237 * config/s390/s390.c (s390_function_profiler): Ignore labelno
7239 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
7241 2021-06-24 Richard Biener <rguenther@suse.de>
7243 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
7244 across operations that have different semantics on different
7247 2021-06-24 Jakub Jelinek <jakub@redhat.com>
7249 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
7250 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
7251 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
7252 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
7253 OMP_TARGET user outer_ctx instead of ctx for placeholders and
7254 initializer/combiner gimplification.
7255 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
7256 on target constructs.
7257 (lower_rec_input_clauses): Likewise.
7258 (lower_omp_target): Likewise.
7259 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
7260 on target if in_reduction is present.
7262 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
7264 * tree-predcom.c (class pcom_worker): New class.
7265 (release_chain): Renamed to...
7266 (pcom_worker::release_chain): ...this.
7267 (release_chains): Renamed to...
7268 (pcom_worker::release_chains): ...this.
7269 (aff_combination_dr_offset): Renamed to...
7270 (pcom_worker::aff_combination_dr_offset): ...this.
7271 (determine_offset): Renamed to...
7272 (pcom_worker::determine_offset): ...this.
7273 (class comp_ptrs): New class.
7274 (split_data_refs_to_components): Renamed to...
7275 (pcom_worker::split_data_refs_to_components): ...this,
7276 and update with class comp_ptrs.
7277 (suitable_component_p): Renamed to...
7278 (pcom_worker::suitable_component_p): ...this.
7279 (filter_suitable_components): Renamed to...
7280 (pcom_worker::filter_suitable_components): ...this.
7281 (valid_initializer_p): Renamed to...
7282 (pcom_worker::valid_initializer_p): ...this.
7283 (find_looparound_phi): Renamed to...
7284 (pcom_worker::find_looparound_phi): ...this.
7285 (add_looparound_copies): Renamed to...
7286 (pcom_worker::add_looparound_copies): ...this.
7287 (determine_roots_comp): Renamed to...
7288 (pcom_worker::determine_roots_comp): ...this.
7289 (determine_roots): Renamed to...
7290 (pcom_worker::determine_roots): ...this.
7291 (single_nonlooparound_use): Renamed to...
7292 (pcom_worker::single_nonlooparound_use): ...this.
7293 (remove_stmt): Renamed to...
7294 (pcom_worker::remove_stmt): ...this.
7295 (execute_pred_commoning_chain): Renamed to...
7296 (pcom_worker::execute_pred_commoning_chain): ...this.
7297 (execute_pred_commoning): Renamed to...
7298 (pcom_worker::execute_pred_commoning): ...this.
7299 (struct epcc_data): New member worker.
7300 (execute_pred_commoning_cbck): Call execute_pred_commoning
7301 with pcom_worker pointer.
7302 (find_use_stmt): Renamed to...
7303 (pcom_worker::find_use_stmt): ...this.
7304 (find_associative_operation_root): Renamed to...
7305 (pcom_worker::find_associative_operation_root): ...this.
7306 (find_common_use_stmt): Renamed to...
7307 (pcom_worker::find_common_use_stmt): ...this.
7308 (combinable_refs_p): Renamed to...
7309 (pcom_worker::combinable_refs_p): ...this.
7310 (reassociate_to_the_same_stmt): Renamed to...
7311 (pcom_worker::reassociate_to_the_same_stmt): ...this.
7312 (stmt_combining_refs): Renamed to...
7313 (pcom_worker::stmt_combining_refs): ...this.
7314 (combine_chains): Renamed to...
7315 (pcom_worker::combine_chains): ...this.
7316 (try_combine_chains): Renamed to...
7317 (pcom_worker::try_combine_chains): ...this.
7318 (prepare_initializers_chain): Renamed to...
7319 (pcom_worker::prepare_initializers_chain): ...this.
7320 (prepare_initializers): Renamed to...
7321 (pcom_worker::prepare_initializers): ...this.
7322 (prepare_finalizers_chain): Renamed to...
7323 (pcom_worker::prepare_finalizers_chain): ...this.
7324 (prepare_finalizers): Renamed to...
7325 (pcom_worker::prepare_finalizers): ...this.
7326 (tree_predictive_commoning_loop): Renamed to...
7327 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
7328 some calls and remove some cleanup code.
7329 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
7330 (static variable looparound_phis): Remove.
7331 (static variable name_expansions): Remove.
7333 2021-06-24 Richard Biener <rguenther@suse.de>
7335 * tree-vect-slp.c (slpg_vertex): New struct.
7336 (vect_slp_build_vertices): Adjust.
7337 (vect_optimize_slp): Likewise. Maintain an outgoing permute
7338 and a materialized one.
7340 2021-06-24 Richard Biener <rguenther@suse.de>
7342 PR tree-optimization/101105
7343 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
7344 Only ignore steps when they are equal or scalar order is preserved.
7346 2021-06-24 liuhongt <hongtao.liu@intel.com>
7349 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
7350 Adjust comments for ix86_expand_vecop_qihi2.
7351 (ix86_expand_vecmul_qihi): Renamed to ..
7352 (ix86_expand_vecop_qihi2): Adjust function prototype to
7353 support shift operation, add static to definition.
7354 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
7355 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
7356 ix86_expand_vec_shift_qihi_constant.
7357 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
7358 (ix86_expand_vec_shift_qihi_constant): Deleted.
7359 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
7361 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
7362 condition TARGET_64BIT.
7363 (mul<mode>3): Ditto.
7364 (<insn><mode>3): Ditto.
7365 (vlshr<mode>3): Extend to support avx512 vlshr.
7366 (v<insn><mode>3): New expander for
7368 (v<insn>v8qi3): Ditto.
7369 (vashrv8hi3<mask_name>): Renamed to ..
7370 (vashr<mode>3): And extend to support V16QImode for avx512.
7371 (vashrv16qi3): Deleted.
7372 (vashrv2di3<mask_name>): Extend expander to support avx512
7375 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
7377 * doc/lto.texi (Design Overview): Update that slim objects are
7380 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
7382 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
7383 of OTHER_POWER10_MASKS so it will not be enabled by default.
7385 2021-06-23 Richard Biener <rguenther@suse.de>
7386 Martin Jambor <mjambor@suse.cz>
7388 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
7389 param replacement unconditionally. Adjust comment.
7391 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7393 * Makefile.in (OBJS): Add gimple-range-fold.o
7394 * gimple-range-fold.cc: New.
7395 * gimple-range-fold.h: New.
7396 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
7397 (gimple_range_calc_op2): Ditto.
7398 * gimple-range-gori.h: Move prototypes to here.
7399 * gimple-range.cc: Adjust include files.
7400 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
7401 (fur_source::get_operand): Ditto.
7402 (fur_source::get_phi_operand): Ditto.
7403 (fur_source::query_relation): Ditto.
7404 (fur_source::register_relation): Ditto.
7405 (class fur_edge): Ditto.
7406 (fur_edge::fur_edge): Ditto.
7407 (fur_edge::get_operand): Ditto.
7408 (fur_edge::get_phi_operand): Ditto.
7409 (fur_stmt::fur_stmt): Ditto.
7410 (fur_stmt::get_operand): Ditto.
7411 (fur_stmt::get_phi_operand): Ditto.
7412 (fur_stmt::query_relation): Ditto.
7413 (class fur_depend): Relocate to gimple-range-fold.h.
7414 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
7415 (fur_depend::register_relation): Ditto.
7416 (fur_depend::register_relation): Ditto.
7417 (class fur_list): Ditto.
7418 (fur_list::fur_list): Ditto.
7419 (fur_list::get_operand): Ditto.
7420 (fur_list::get_phi_operand): Ditto.
7421 (fold_range): Ditto.
7422 (adjust_pointer_diff_expr): Ditto.
7423 (gimple_range_adjustment): Ditto.
7424 (gimple_range_base_of_assignment): Ditto.
7425 (gimple_range_operand1): Ditto.
7426 (gimple_range_operand2): Ditto.
7427 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
7428 (gimple_range_calc_op2): Ditto.
7429 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
7430 (fold_using_range::range_of_range_op): Ditto.
7431 (fold_using_range::range_of_address): Ditto.
7432 (fold_using_range::range_of_phi): Ditto.
7433 (fold_using_range::range_of_call): Ditto.
7434 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
7435 (fold_using_range::range_of_builtin_call): Ditto.
7436 (fold_using_range::range_of_cond_expr): Ditto.
7437 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
7438 (fold_using_range::relation_fold_and_or): Ditto.
7439 (fold_using_range::postfold_gcond_edges): Ditto.
7440 * gimple-range.h: Add gimple-range-fold.h to include files. Change
7441 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
7442 (gimple_range_handler): Relocate to gimple-range-fold.h.
7443 (gimple_range_ssa_p): Ditto.
7444 (range_compatible_p): Ditto.
7445 (class fur_source): Ditto.
7446 (class fur_stmt): Ditto.
7447 (class fold_using_range): Ditto.
7448 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
7449 (gimple_range_calc_op2): Ditto.
7451 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7453 PR tree-optimization/101148
7454 PR tree-optimization/101014
7455 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
7456 (ranger_cache::~ranger_cache): Adjust.
7457 (ranger_cache::block_range): Check if propagation disallowed.
7458 (ranger_cache::propagate_cache): Disallow propagation if new value
7459 can't be stored properly.
7460 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
7462 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7464 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
7465 (sbr_vector::set_bb_range): Return true.
7466 (class sbr_sparse_bitmap): Adjust.
7467 (sbr_sparse_bitmap::set_bb_range): Return value.
7468 (block_range_cache::set_bb_range): Return value.
7469 (ranger_cache::propagate_cache): Use return value to print msg.
7470 * gimple-range-cache.h (class block_range_cache): Adjust.
7472 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7474 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
7476 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
7478 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
7479 so this pattern can be used for test/compare removal. Pass
7480 current insn to compute_logical_op_length and output_logical_op.
7481 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
7482 (h8300_and_costs): Add argument to compute_logical_op_length.
7483 (output_logical_op): Add new argument. Use it to determine if the
7484 condition codes are used and adjust the output accordingly.
7485 (compute_logical_op_length): Add new argument and update length
7486 computations when condition codes are used.
7487 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
7489 (output_logical_op): Likewise.
7491 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
7494 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
7495 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
7496 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
7497 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
7498 * config/i386/sse.md (unspec): ... here.
7500 2021-06-23 Martin Liska <mliska@suse.cz>
7503 * optc-save-gen.awk: Put back arm_fp16_format to
7506 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
7509 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
7512 (clz<mode>2): Update RTX pattern for additions.
7514 2021-06-23 Jakub Jelinek <jakub@redhat.com>
7516 PR middle-end/101167
7517 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
7518 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
7520 2021-06-22 Sergei Trofimovich <siarheit@google.com>
7522 * doc/rtl.texi: drop unbalanced parenthesis.
7524 2021-06-22 Richard Biener <rguenther@suse.de>
7526 PR middle-end/101156
7527 * gimplify.c (gimplify_expr): Remove premature incorrect
7530 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7532 PR tree-optimization/101159
7533 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
7536 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7538 PR middle-end/101160
7539 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
7540 clear crtl->return_rtx instead of keeping it referencing a pseudo.
7542 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7543 Andrew Pinski <apinski@marvell.com>
7545 PR tree-optimization/101162
7546 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
7549 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7551 * range-op.cc (range_relational_tests): New.
7552 (range_op_tests): Call range_relational_tests.
7554 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7556 * range-op.cc (operator_cast::lhs_op1_relation): New.
7557 (operator_identity::lhs_op1_relation): Mew.
7559 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7561 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
7563 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7565 * range-op.cc (operator_plus::lhs_op1_relation): New.
7566 (operator_plus::lhs_op2_relation): New.
7568 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7570 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
7571 relation_oracle if dominators exist.
7572 (ranger_cache::~ranger_cache): Dispose of oracle.
7573 (ranger_cache::dump_bb): Dump oracle.
7574 * gimple-range.cc (fur_source::fur_source): New.
7575 (fur_source::get_operand): Use mmeber query.
7576 (fur_source::get_phi_operand): Use member_query.
7577 (fur_source::query_relation): New.
7578 (fur_source::register_dependency): Delete.
7579 (fur_source::register_relation): New.
7580 (fur_edge::fur_edge): Adjust.
7581 (fur_edge::get_phi_operand): Fix comment.
7582 (fur_edge::query): Delete.
7583 (fur_stmt::fur_stmt): Adjust.
7584 (fur_stmt::query): Delete.
7585 (fur_depend::fur_depend): Adjust.
7586 (fur_depend::register_relation): New.
7587 (fur_depend::register_relation): New.
7588 (fur_list::fur_list): Adjust.
7589 (fur_list::get_operand): Use member query.
7590 (fold_using_range::range_of_range_op): Process and query relations.
7591 (fold_using_range::range_of_address): Adjust dependency call.
7592 (fold_using_range::range_of_phi): Ditto.
7593 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
7594 (fold_using_range::relation_fold_and_or): New.
7595 (fold_using_range::postfold_gcond_edges): New.
7596 * gimple-range.h (class gimple_ranger): Adjust.
7597 (class fur_source): Adjust members.
7598 (class fur_stmt): Ditto.
7599 (class fold_using_range): Ditto.
7601 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7603 * range-op.cc (range_operator::wi_fold): Apply relation effect.
7604 (range_operator::fold_range): Adjust and apply relation effect.
7605 (*::fold_range): Add relation parameters.
7606 (*::op1_range): Ditto.
7607 (*::op2_range): Ditto.
7608 (range_operator::lhs_op1_relation): New.
7609 (range_operator::lhs_op2_relation): New.
7610 (range_operator::op1_op2_relation): New.
7611 (range_operator::op1_op2_relation_effect): New.
7612 (relop_early_resolve): New.
7613 (operator_equal::op1_op2_relation): New.
7614 (operator_equal::fold_range): Call relop_early_resolve.
7615 (operator_not_equal::op1_op2_relation): New.
7616 (operator_not_equal::fold_range): Call relop_early_resolve.
7617 (operator_lt::op1_op2_relation): New.
7618 (operator_lt::fold_range): Call relop_early_resolve.
7619 (operator_le::op1_op2_relation): New.
7620 (operator_le::fold_range): Call relop_early_resolve.
7621 (operator_gt::op1_op2_relation): New.
7622 (operator_gt::fold_range): Call relop_early_resolve.
7623 (operator_ge::op1_op2_relation): New.
7624 (operator_ge::fold_range): Call relop_early_resolve.
7625 * range-op.h (class range_operator): Adjust parameters and methods.
7627 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7629 * Makefile.in (OBJS): Add value-relation.o.
7630 * gimple-range.h: Adjust include files.
7631 * tree-data-ref.c: Adjust include file order.
7632 * value-query.cc (range_query::get_value_range): Default to no oracle.
7633 (range_query::query_relation): New.
7634 (range_query::query_relation): New.
7635 * value-query.h (class range_query): Adjust.
7636 * value-relation.cc: New.
7637 * value-relation.h: New.
7639 2021-06-22 Richard Biener <rguenther@suse.de>
7641 PR tree-optimization/101151
7642 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
7645 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
7647 * config/riscv/riscv.c (thead_c906_tune_info): New.
7648 (riscv_tune_info_table): Use new tune.
7650 2021-06-22 Richard Biener <rguenther@suse.de>
7652 PR tree-optimization/101158
7653 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
7654 checking after checking for matching operation.
7656 2021-06-22 Richard Biener <rguenther@suse.de>
7658 PR tree-optimization/101159
7659 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
7660 missing NULL vectype check.
7662 2021-06-22 Richard Biener <rguenther@suse.de>
7664 PR tree-optimization/101154
7665 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
7667 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7670 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
7671 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
7672 * config/i386/i386.c (ix86_expand_prologue): Clear it.
7673 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
7674 Remove "" from match_operand. Emit new insns using emit_move_insn and
7675 set ix86_last_zero_store_uid to INSN_UID of the last store.
7676 Add peephole2s for 1/2/4 stores of const0_rtx following previous
7679 2021-06-22 Martin Liska <mliska@suse.cz>
7681 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
7684 2021-06-22 Martin Liska <mliska@suse.cz>
7686 * gcov-io.h: Remove padding entries.
7688 2021-06-22 liuhongt <hongtao.liu@intel.com>
7690 PR tree-optimization/97770
7691 * tree-vect-patterns.c (vect_recog_popcount_pattern):
7693 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
7695 2021-06-22 liuhongt <hongtao.liu@intel.com>
7698 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
7699 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
7700 (expand<mode>_mask): this ..
7701 (*expand<mode>_mask): New pre_reload splitter to transform
7702 v{,p}expand* to vmov* when mask is zero, all ones, or has all
7703 ones in it's lower part, otherwise still generate
7706 2021-06-22 liuhongt <hongtao.liu@intel.com>
7709 * config/i386/i386-expand.c
7710 (ix86_expand_special_args_builtin): Keep constm1_operand only
7711 if it satisfies insn's operand predicate.
7713 2021-06-21 Jason Merrill <jason@redhat.com>
7716 * df-scan.c (df_ref_record): Check that regno < endregno.
7717 * function.c (assign_parms, expand_function_end): Do nothing with a
7718 TYPE_EMPTY_P result.
7720 2021-06-21 Richard Biener <rguenther@suse.de>
7722 PR tree-optimization/101120
7723 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
7725 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
7726 DR chain DCE capability.
7727 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
7728 * tree-vect-stmts.c (vectorizable_load): Remove unused
7729 loads in the DR chain for SLP.
7731 2021-06-21 Jakub Jelinek <jakub@redhat.com>
7733 PR inline-asm/100785
7734 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
7735 output or input operands were already error_mark_node.
7736 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
7737 remove all inputs, outputs and clobbers from the asm and
7740 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
7742 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
7743 (vceq_s16): Likewise.
7744 (vceq_s32): Likewise.
7745 (vceq_u8): Likewise.
7746 (vceq_u16): Likewise.
7747 (vceq_u32): Likewise.
7748 (vceq_p8): Likewise.
7749 (vceqq_s8): Likewise.
7750 (vceqq_s16): Likewise.
7751 (vceqq_s32): Likewise.
7752 (vceqq_u8): Likewise.
7753 (vceqq_u16): Likewise.
7754 (vceqq_u32): Likewise.
7755 (vceqq_p8): Likewise.
7756 (vceq_f32): Gate __a == __b on __FAST_MATH__.
7757 (vceqq_f32): Likewise.
7758 (vceq_f16): Likewise.
7759 (vceqq_f16): Likewise.
7761 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
7764 * config/arm/iterators.md (NEON_VACMP): Remove.
7765 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
7767 (neon_vca<cmp_op><mode>_insn): Likewise.
7768 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
7771 2021-06-21 Richard Biener <rguenther@suse.de>
7773 PR tree-optimization/101121
7774 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
7775 when we just lack a stmt with the desired op when doing permutation.
7776 (vect_build_slp_tree): When caching a failed SLP build attempt
7777 assert that at least one lane is marked as not matching.
7779 2021-06-21 liuhongt <hongtao.liu@intel.com>
7782 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
7783 register alternative.
7784 (*and<mode>_1): Ditto.
7786 (*andn<mode>_1): Ditto.
7787 (*<code><mode>_1): Ditto.
7788 (*<code>qi_1): Ditto.
7789 (*one_cmpl<mode>2_1): Ditto.
7790 (*one_cmplsi2_1_zext): Ditto.
7791 (*one_cmplqi2_1): Ditto.
7792 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
7793 the order of mask registers to be before general registers.
7795 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
7798 * config/i386/i386.md: New define_peephole2s to shrink writing
7799 1, 2 or 4 consecutive zeros to memory when optimizing for size.
7801 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
7803 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
7804 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
7805 more efficient code when the source can be trivially simplified.
7807 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
7809 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
7810 a range if global is not available.
7811 (ranger_cache::entry_range): Fallback to range_of_def.
7812 * gimple-range-cache.h (range_of_def): Adjust prototype.
7814 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
7816 PR tree-optimization/101014
7817 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
7819 (ranger_cache::~ranger_cache): Ditto.
7820 (ranger_cache::enable_new_values): Delete.
7821 (ranger_cache::push_poor_value): Delete.
7822 (ranger_cache::range_of_def): Remove poor value processing.
7823 (ranger_cache::entry_range): Ditto.
7824 (ranger_cache::fill_block_cache): Ditto.
7825 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
7826 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
7827 * gimple-range.h (class gimple_ranger): Adjust.
7829 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
7832 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
7833 derived from arm_canon_arch.
7834 (arm_canon_arch_option): Call it.
7835 (arm_canon_arch_multilib_option): New function.
7836 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
7837 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
7838 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
7839 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
7840 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
7841 * config/arm/arm.opt (mlibarch): New option.
7842 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
7843 of march on RHS with mlibarch.
7845 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
7847 * config.in: Regenerate.
7848 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
7850 * configure: Regenerate.
7851 * configure.ac: Fix for global_load assembler functions.
7853 2021-06-18 Richard Biener <rguenther@suse.de>
7855 PR tree-optimization/101112
7856 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
7857 to lookup a pattern stmt def.
7859 2021-06-18 Jakub Jelinek <jakub@redhat.com>
7861 PR middle-end/101062
7862 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
7863 representatives in QUAL_UNION_TYPE.
7865 2021-06-18 Andrew Pinski <apinski@marvell.com>
7867 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
7868 Add counting of how many times it is done.
7869 (factor_out_conditional_conversion): Likewise.
7870 (match_simplify_replacement): Likewise.
7871 (value_replacement): Likewise.
7872 (spaceship_replacement): Likewise.
7873 (cond_store_replacement): Likewise.
7874 (cond_if_else_store_replacement_1): Likewise.
7875 (hoist_adjacent_loads): Likewise.
7877 2021-06-18 Andrew Pinski <apinski@marvell.com>
7879 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
7880 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
7881 (verify_gimple_assign_binary): Reject point and offset types on
7882 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
7883 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
7884 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
7886 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
7888 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
7889 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
7890 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
7893 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
7895 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
7896 earlyclobber to alts 0/1.
7897 (gen_addadd): Add earlyclobber to alts 0/1.
7898 * config/rs6000/fusion.md: Regenerate file.
7900 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7902 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
7904 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
7906 * gimple-range-cache.cc: Comment cleanups.
7907 * gimple-range-gori.cc: Comment cleanups.
7908 * gimple-range.cc: Comment/spacing cleanups
7909 * value-range.h: Comment cleanups.
7911 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
7914 * calls.c (expand_call): Replace PUSH_ARGS with
7915 targetm.calls.push_argument (0).
7916 (emit_library_call_value_1): Likewise.
7917 * defaults.h (PUSH_ARGS): Removed.
7918 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
7919 targetm.calls.push_argument (0).
7920 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
7921 (emit_push_insn): Pass the number bytes to push to
7922 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
7923 * hooks.c (hook_bool_uint_true): New.
7924 * hooks.h (hook_bool_uint_true): Likewise.
7925 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
7926 targetm.calls.push_argument (0).
7927 * target.def (push_argument): Add a targetm.calls hook.
7928 * targhooks.c (default_push_argument): New.
7929 * targhooks.h (default_push_argument): Likewise.
7930 * config/bpf/bpf.h (PUSH_ARGS): Removed.
7931 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
7932 * config/cr16/cr16.h (PUSH_ARGS): Removed.
7933 * config/i386/i386.c (ix86_push_argument): New.
7934 (TARGET_PUSH_ARGUMENT): Likewise.
7935 * config/i386/i386.h (PUSH_ARGS): Removed.
7936 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
7937 * config/m32c/m32c.h (PUSH_ARGS): Removed.
7938 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
7939 * config/pru/pru.h (PUSH_ARGS): Likewise.
7940 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
7941 TARGET_PUSH_ARGUMENT hook.
7942 * doc/tm.texi: Regenerated.
7944 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
7947 * config/i386/i386-expand.c (expand_vector_set_var):
7948 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
7949 ix86_expand_vector_init_duplicate.
7950 (ix86_expand_vector_init_duplicate): Emit insv_1 for
7951 QImode for !TARGET_PARTIAL_REG_STALL.
7952 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
7953 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
7954 as operand 2 predicate. Call ix86_expand_vector_set_var
7955 for non-constant index operand.
7956 (vec_setv2si): Ditto.
7957 (vec_setv4hi): Ditto.
7958 (vec_setv8qi): ditto.
7960 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
7962 PR tree-optimization/100790
7963 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
7966 2021-06-17 Martin Liska <mliska@suse.cz>
7968 * doc/invoke.texi: Use consistently -O1 instead of -O.
7970 2021-06-17 Martin Liska <mliska@suse.cz>
7972 * gcov-io.h: Update documentation entry about string format.
7974 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
7977 * config/s390/vecintrin.h (vec_doublee): Fix to use
7978 __builtin_s390_vflls.
7979 (vec_floate): Fix to use __builtin_s390_vflrd.
7981 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7983 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
7984 * dominance.h (get_dominated_to_depth): Likewise.
7985 (get_all_dominated_blocks): Likewise.
7986 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
7987 * gcse.c (hoist_code): Likewise.
7988 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
7989 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
7990 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
7991 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
7993 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7995 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
7996 * dominance.h (get_dominated_by_region): Likewise.
7997 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
7998 (gimple_duplicate_sese_tail): Likewise.
7999 (move_sese_region_to_fn): Likewise.
8001 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8003 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
8004 * dominance.h (get_dominated_by): Likewise.
8005 * auto-profile.c (afdo_find_equiv_class): Adjust.
8006 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
8007 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
8008 * tree-cfg.c (test_linear_chain): Likewise.
8009 (test_diamond): Likewise.
8011 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8013 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
8014 * cfgloopanal.c (get_loop_hot_path): Likewise.
8015 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
8017 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8019 * cgraph.c (cgraph_node::collect_callers): Return
8020 auto_vec<cgraph_edge *>.
8021 * cgraph.h (cgraph_node::collect_callers): Likewise.
8022 * ipa-cp.c (create_specialized_node): Adjust.
8023 (decide_about_value): Likewise.
8024 (decide_whether_version_node): Likewise.
8025 * ipa-sra.c (process_isra_node_results): Likewise.
8027 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8029 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
8030 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
8032 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
8035 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
8037 * gimple-range.cc (debug_seed_ranger): New.
8039 (debug_ranger): New.
8041 2021-06-17 Richard Biener <rguenther@suse.de>
8043 PR tree-optimization/54400
8044 * tree-vectorizer.h (enum slp_instance_kind): Add
8045 slp_inst_kind_bb_reduc.
8046 (reduction_fn_for_scalar_code): Declare.
8047 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
8048 Check SLP_INSTANCE_KIND instead of looking at the
8050 (vect_slp_analyze_instance_alignment): Likewise.
8051 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
8052 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
8053 chain linearization from vect_build_slp_tree_2 and generalize
8054 for the use of BB reduction vectorization.
8055 (vect_build_slp_tree_2): Adjust accordingly.
8056 (vect_optimize_slp): Elide permutes at the root of BB reduction
8058 (vectorizable_bb_reduc_epilogue): New function.
8059 (vect_slp_prune_covered_roots): Likewise.
8060 (vect_slp_analyze_operations): Use them.
8061 (vect_slp_check_for_constructors): Recognize associatable
8062 chains for BB reduction vectorization.
8063 (vectorize_slp_instance_root_stmt): Generate code for the
8064 BB reduction epilogue.
8066 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
8068 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
8070 (gori_compute::may_recompute_p): New.
8071 (gori_compute::outgoing_edge_range_p): Perform recomputations.
8072 * gimple-range-gori.h (class gori_compute): Add prototype.
8074 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
8076 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
8077 true when a range can be calculated.
8078 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
8080 2021-06-16 Martin Sebor <msebor@redhat.com>
8082 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
8083 Correct documented defaults.
8085 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
8087 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
8088 m_new_value_p directly.
8090 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
8093 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
8094 Handle 64bit modes for TARGET_SSE4_1.
8095 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
8096 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
8097 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
8098 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
8099 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
8100 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
8102 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
8104 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
8105 Change to an expander that emits the correct instruction
8106 depending on endianness.
8107 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
8108 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
8110 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
8112 * config/aarch64/aarch64-simd-builtins.def: Split generator
8113 for aarch64_<su>qmovn builtins into scalar and vector
8115 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
8117 (aarch64_<su>qmovn<mode>_insn_be): Define.
8118 (aarch64_<su>qmovn<mode>): Split into scalar and vector
8119 variants. Change vector variant to an expander that emits the
8120 correct instruction depending on endianness.
8122 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
8124 * config/aarch64/aarch64-simd-builtins.def: Split generator
8125 for aarch64_sqmovun builtins into scalar and vector variants.
8126 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
8127 Split into scalar and vector variants. Change vector variant
8128 to an expander that emits the correct instruction depending
8130 (aarch64_sqmovun<mode>_insn_le): Define.
8131 (aarch64_sqmovun<mode>_insn_be): Define.
8133 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
8135 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
8136 Define - modeling zero-high-half semantics.
8137 (aarch64_xtn<mode>): Change to an expander that emits the
8138 appropriate instruction depending on endianness.
8139 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
8141 (aarch64_xtn2<mode>_le): Rename to...
8142 (aarch64_xtn2<mode>_insn_le): This.
8143 (aarch64_xtn2<mode>_be): Rename to...
8144 (aarch64_xtn2<mode>_insn_be): This.
8145 (vec_pack_trunc_<mode>): Emit truncation instruction instead
8147 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
8150 2021-06-16 Martin Jambor <mjambor@suse.cz>
8152 PR tree-optimization/100453
8153 * tree-sra.c (create_access): Disqualify any const candidates
8154 which are written to.
8155 (sra_modify_expr): Do not store sub-replacements back to a const base.
8156 (handle_unscalarized_data_in_subtree): Likewise.
8157 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
8158 instead of constant_decl_p.
8160 2021-06-16 Jakub Jelinek <jakub@redhat.com>
8162 PR middle-end/101062
8163 * stor-layout.c (finish_bitfield_representative): For fields in unions
8164 assume nextf is always NULL.
8165 (finish_bitfield_layout): Compute bit field representatives also in
8166 unions, but handle it as if each bitfield was the only field in the
8169 2021-06-16 Richard Biener <rguenther@suse.de>
8171 PR tree-optimization/101088
8172 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
8173 supported refs on edges. Do not assert same ref but
8174 different kind stores are unsuported but mark them so.
8175 (hoist_memory_references): Only look for supported refs
8178 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
8180 PR rtl-optimization/46235
8181 * config/i386/i386.md: New define_split for bt followed by cmov.
8182 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
8183 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
8184 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
8185 by setnc with zero extension.
8187 2021-06-16 Richard Biener <rguenther@suse.de>
8189 PR tree-optimization/101083
8190 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
8191 vectype as argument.
8192 (vect_build_slp_tree_2): Adjust.
8194 2021-06-15 Martin Sebor <msebor@redhat.com>
8196 PR middle-end/100876
8197 * builtins.c: (gimple_call_return_array): Account for size_t
8198 mangling as either unsigned int or unsigned long
8200 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
8202 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
8203 up before eliminating comparisons.
8205 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
8207 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
8208 nonzero|X is nonzero.
8209 (range_op_bitwise_and_tests): Add tests for above.
8211 2021-06-15 Carl Love <cel@us.ibm.com>
8214 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
8216 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
8219 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
8222 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
8223 (struct gimplify_omp_ctx): Extend defaultmap array by one.
8224 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
8225 (omp_notice_variable): Update type classification for Fortran.
8226 (gimplify_scan_omp_clauses): Update calls for new argument; handle
8227 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
8228 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
8229 * langhooks.c (lhd_omp_scalar_p): Likewise.
8230 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
8231 (LANG_HOOKS_DECLS): Add them.
8232 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
8233 omp_scalar_p pointer type to include the new bool argument.
8235 2021-06-15 David Malcolm <dmalcolm@redhat.com>
8238 (Special Functions for Debugging the Analyzer): Add
8239 __analyzer_dump_capacity.
8241 2021-06-15 Jakub Jelinek <jakub@redhat.com>
8244 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
8245 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
8247 2021-06-15 Richard Biener <rguenther@suse.de>
8249 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
8250 check to identify loop latches.
8251 * cfgloop.c (verify_loop_structure): Likewise.
8252 * loop-init.c (apply_loop_flags): Allow marked irreducible
8253 regions even with multiple latches.
8254 * predict.c (rebuild_frequencies): Simplify.
8256 2021-06-15 Richard Biener <rguenther@suse.de>
8258 * tree-ssa-threadupdate.c
8259 (jump_thread_path_registry::mark_threaded_blocks): Assert we
8260 have marked irreducible regions.
8262 2021-06-14 Martin Sebor <msebor@redhat.com>
8265 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
8266 Handle calls to placement new.
8267 (ndecl_dealloc_argno): Avoid placement delete.
8269 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
8272 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
8273 create_tmp_reg_or_ssa_name().
8275 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
8277 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
8278 (ranger_cache::enable_new_values): Set to specified value and
8279 return the old value.
8280 (ranger_cache::disable_new_values): Delete.
8281 (ranger_cache::fill_block_cache): Disable non 1st order derived
8283 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
8284 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
8286 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
8289 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
8290 Return true early when testing with V2HImode.
8291 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
8293 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
8295 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
8296 (mve_vec_unpack<US>_hi_<mode>): New pattern.
8297 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
8298 (mve_vmovntq_<supf><mode>): Prefix with '@'.
8299 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
8301 (vec_unpack<US>_lo_<mode>): Likewise.
8302 (vec_pack_trunc_<mode>): Rename to
8303 neon_quad_vec_pack_trunc_<mode>.
8304 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
8306 (vec_unpack<US>_lo_<mode>): New.
8307 (vec_pack_trunc_<mode>): New.
8309 2021-06-14 Richard Biener <rguenther@suse.de>
8311 PR tree-optimization/100934
8312 * tree-ssa-dom.c (pass_dominator::execute): Properly
8313 mark irreducible regions.
8315 2021-06-14 Martin Liska <mliska@suse.cz>
8317 * doc/invoke.texi: Put r{...} on the same line as @item.
8319 2021-06-14 Martin Liska <mliska@suse.cz>
8321 * doc/invoke.texi: Add missing newline.
8323 2021-06-14 Martin Liska <mliska@suse.cz>
8325 * doc/invoke.texi: Remove '+' charasters.
8327 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
8329 * config.gcc (arc): Add support for with_cpu option.
8330 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
8332 2021-06-14 Richard Biener <rguenther@suse.de>
8334 PR tree-optimization/101031
8335 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
8336 instead of size when accounting for a possibly string
8339 2021-06-14 Martin Liska <mliska@suse.cz>
8341 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
8343 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
8345 * value-query.cc (gimple_range_global): Call get_range_global
8346 if called after inlining.
8348 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
8351 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
8352 Emit constant permutation insn directly from here.
8354 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
8356 * attribs.c (find_attribute_namespace): Iterate over vec<> with
8358 * auto-profile.c (afdo_find_equiv_class): Likewise.
8359 * gcc.c (do_specs_vec): Likewise.
8360 (do_spec_1): Likewise.
8361 (driver::set_up_specs): Likewise.
8362 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
8363 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
8364 (imm_store_chain_info::try_coalesce_bswap): Likewise.
8365 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
8366 (get_location_for_stmts): Likewise.
8367 * graphite-poly.c (print_iteration_domains): Likewise.
8368 (free_poly_bb): Likewise.
8369 (remove_gbbs_in_scop): Likewise.
8370 (free_scop): Likewise.
8371 (dump_gbb_cases): Likewise.
8372 (dump_gbb_conditions): Likewise.
8373 (print_pdrs): Likewise.
8374 (print_scop): Likewise.
8375 * ifcvt.c (cond_move_process_if_block): Likewise.
8376 * lower-subreg.c (decompose_multiword_subregs): Likewise.
8377 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
8378 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
8379 * sel-sched-dump.c (dump_insn_vector): Likewise.
8380 * store-motion.c (store_ops_ok): Likewise.
8381 (store_killed_in_insn): Likewise.
8382 * timevar.c (timer::named_items::print): Likewise.
8383 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
8384 (cleanup_tree_cfg_noloop): Likewise.
8385 * tree-data-ref.c (dump_data_references): Likewise.
8386 (print_dir_vectors): Likewise.
8387 (print_dist_vectors): Likewise.
8388 (dump_data_dependence_relations): Likewise.
8389 (dump_dist_dir_vectors): Likewise.
8390 (dump_ddrs): Likewise.
8391 (create_runtime_alias_checks): Likewise.
8392 (free_subscripts): Likewise.
8393 (save_dist_v): Likewise.
8394 (save_dir_v): Likewise.
8395 (invariant_access_functions): Likewise.
8396 (same_access_functions): Likewise.
8397 (access_functions_are_affine_or_constant_p): Likewise.
8398 (find_data_references_in_stmt): Likewise.
8399 (graphite_find_data_references_in_stmt): Likewise.
8400 (free_dependence_relations): Likewise.
8401 (free_data_refs): Likewise.
8402 * tree-inline.c (copy_debug_stmts): Likewise.
8403 * tree-into-ssa.c (dump_currdefs): Likewise.
8404 (rewrite_update_phi_arguments): Likewise.
8405 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
8406 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
8408 (vect_slp_analyze_node_dependences): Likewise.
8409 (vect_slp_analyze_instance_dependence): Likewise.
8410 (vect_record_base_alignments): Likewise.
8411 (vect_get_peeling_costs_all_drs): Likewise.
8412 (vect_peeling_supportable): Likewise.
8413 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
8414 (vec_info::free_stmt_vec_infos): Likewise.
8416 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
8418 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
8419 (andqi3_1<cczn>): Removed.
8420 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
8421 (H8/SX bit logicals): Split out from other patterns.
8422 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
8423 mulqihi3_const_clobber_flags.
8424 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
8426 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
8429 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
8430 to true if red zone is used.
8431 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
8433 * config/i386/i386.h (machine_function): Add red_zone_used.
8434 (ix86_red_zone_size): Removed.
8435 (ix86_red_zone_used): New.
8436 * config/i386/i386.md (peephole2 patterns): Replace
8437 ix86_red_zone_size with ix86_red_zone_used.
8439 2021-06-12 Jason Merrill <jason@redhat.com>
8441 * doc/extend.texi (unused variable attribute): Applies to
8442 structure fields as well.
8444 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
8446 * auto-profile.c (read_profile): fix a typo in an error string
8448 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
8450 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
8452 * tree-pretty-print.c (dump_omp_clauses): Update.
8453 (dump_generic_node) <OMP_CLAUSE>: Use it.
8455 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
8458 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
8459 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
8460 the polymorphic variants matching code.
8461 (__arm_vld1q_z): Likewise.
8462 (__arm_vld2q): Likewise.
8463 (__arm_vld4q): Likewise.
8464 (__arm_vldrbq_gather_offset): Likewise.
8465 (__arm_vldrbq_gather_offset_z): Likewise.
8467 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
8469 PR tree-optimization/96392
8470 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
8472 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
8474 PR tree-optimization/96392
8475 * fold-const.c (fold_real_zero_addition_p): Take both arguments
8476 of the addition or subtraction, not just the zero. Use this
8477 other argument in tests for signaling NaNs and signed zeros.
8478 (tree_expr_maybe_real_minus_zero_p): New predicate.
8479 * fold-const.h (fold_real_zero_addition_p): Update prototype.
8480 (tree_expr_maybe_real_minus_zero_p): New function prototype.
8481 * match.pd: Update calls to fold_real_zero_addition_p.
8482 Replace HONOR_NANS with tree_expr_maybe_nan_p.
8483 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
8484 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
8485 * tree-ssa-reassoc.c (eliminate_using_constants): Update
8486 call to fold_real_zero_addition_p.
8488 2021-06-11 Richard Biener <rguenther@suse.de>
8490 PR tree-optimization/101025
8491 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
8492 all refs that require dependence checking.
8494 2021-06-11 Richard Biener <rguenther@suse.de>
8496 PR tree-optimization/101028
8497 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
8498 reassoc discovery fails fatally, mark appropriate lanes
8501 2021-06-11 Richard Biener <rguenther@suse.de>
8503 PR tree-optimization/101026
8504 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
8505 have a representative for the associated chain nodes.
8507 2021-06-11 Jakub Jelinek <jakub@redhat.com>
8509 PR rtl-optimization/101008
8510 * simplify-rtx.c (relational_result): New function.
8511 (simplify_logical_relational_operation,
8512 simplify_relational_operation): Use it.
8514 2021-06-11 Jakub Jelinek <jakub@redhat.com>
8517 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
8519 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
8522 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
8523 false if the permutation can be implemented with constant
8524 permutation instruction in wider mode.
8525 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
8526 Handle V8QImode and V4HImode.
8528 2021-06-11 Martin Liska <mliska@suse.cz>
8530 PR gcov-profile/100788
8531 * common.opt: Add new option.
8532 * coverage.c (coverage_begin_function): Emit warning instead on
8533 the internal compiler error.
8534 * doc/invoke.texi: Document the option.
8535 * toplev.c (process_options): Enable it by default.
8537 2021-06-11 Richard Biener <rguenther@suse.de>
8539 PR middle-end/101009
8540 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
8541 to set *init_b to true when we encounter a constant equal
8543 (compute_affine_dependence): Also dump the actual DR_REF.
8545 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
8547 PR tree-optimization/100984
8548 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
8550 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
8552 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
8554 * config/rs6000/rs6000.md
8555 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
8556 define_insn_and_split.
8558 2021-06-11 Richard Biener <rguenther@suse.de>
8560 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
8561 to sort operands of the associative chain.
8563 2021-06-11 Richard Biener <rguenther@suse.de>
8565 * system.h (gcc_stablesort_r): Declare.
8566 * sort.cc (gcc_sort_r): Support stable sort.
8567 (gcc_stablesort_r): Define.
8568 * vec.h (vec<>::stablesort): Add.
8570 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
8573 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
8574 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
8575 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
8576 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
8577 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
8578 (expand_vec_perm_interleave2): Handle 64bit modes.
8579 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
8580 (expand_vec_perm_even_odd_1): Ditto.
8581 (ix86_vectorize_vec_perm_const): Ditto.
8582 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
8583 * config/i386/sse.md: ... here.
8584 * config/i386/mmx.md (*vec_interleave_lowv2sf):
8585 New insn_and_split pattern.
8586 (*vec_interleave_highv2sf): Ditto.
8587 (mmx_pshufbv8qi3): New insn pattern.
8588 (*mmx_pblendw): Ditto.
8590 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
8592 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
8593 (build_acc): Likewise.
8594 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
8595 source operands in little-endian mode.
8596 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
8597 (mma_init_builtins): Likewise.
8598 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
8599 ordering for the MMA assemble and build source operands.
8600 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
8602 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
8605 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
8607 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
8609 * config/h8300/extensions.md: Replace _clobber_flags patterns
8612 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
8614 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
8615 (vcond_mask_<mode><tointvec>): this.
8617 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
8618 Thomas Schwinge <thomas@codesourcery.com>
8620 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
8621 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
8622 * gimple.h (enum gf_mask): Split
8623 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
8624 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
8625 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
8626 (is_gimple_omp_oacc): Update.
8627 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
8628 * gimplify.c (gimplify_omp_target_update): Likewise.
8629 * omp-expand.c (expand_omp_target, build_omp_regions_1)
8630 (omp_make_gimple_edges): Likewise.
8631 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
8634 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
8636 * value-query.cc (value_query::value_on_edge): Rename name to
8638 (range_query::range_on_edge): Same.
8639 (range_query::value_of_expr): Same.
8640 (range_query::value_on_edge): Same.
8641 * value-query.h (class value_query): Same.
8642 (class range_query): Same.
8644 2021-06-10 Richard Biener <rguenther@suse.de>
8646 PR tree-optimization/101003
8647 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
8648 use the pattern stmt defs when linearizing a chain.
8650 2021-06-10 Jakub Jelinek <jakub@redhat.com>
8653 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
8654 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
8656 2021-06-10 Clement Chigot <clement.chigot@atos.net>
8658 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
8659 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
8661 2021-06-09 Andrew Pinski <apinski@marvell.com>
8663 PR tree-optimization/100925
8664 * match.pd (a ? CST1 : CST2): Limit transformations
8665 that would produce a negative to integeral types only.
8666 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
8668 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8671 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8673 * doc/tm.texi: Correctly update.
8675 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8677 * doc/tm.texi: Correctly update.
8679 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
8682 * doc/tm.texi.in (Trampolines): Add a missing blank line.
8684 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
8687 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
8688 and -ftrampolines work only with Ada.
8689 * doc/tm.texi.in (Trampolines): Likewise.
8690 * doc/tm.texi: Regenerated.
8692 2021-06-09 Carl Love <cel@us.ibm.com>
8694 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
8695 Add define for new builtins.
8696 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
8697 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
8698 overloaded builtin definitions.
8699 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
8700 VSIGNEXTSD2Q): Add builtin expansions.
8701 (SIGNEXT): Add P10 overload definition.
8702 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
8703 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
8704 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
8705 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
8706 vsignextend_si_v2di)[VIlong]: Add define_expand.
8707 Make define_insn vsx_sign_extend_si_v2di visible.
8708 * doc/extend.texi: Add documentation for the vec_signexti,
8709 vec_signextll builtins and vec_signextq.
8711 2021-06-09 Carl Love <cel@us.ibm.com>
8713 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
8714 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
8715 __floattikf_sw, __floatuntikf_sw respectively.
8716 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
8717 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
8718 define_insn for mode IEEE 128.
8720 2021-06-09 Carl Love <cel@us.ibm.com>
8722 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
8723 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
8724 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
8725 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
8726 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
8727 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
8728 uses of VSX_TI to VEC_TI.
8730 2021-06-09 Carl Love <cel@us.ibm.com>
8732 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
8734 2021-06-09 Carl Love <cel@us.ibm.com>
8736 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
8738 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
8739 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
8740 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
8741 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
8742 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
8743 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
8744 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
8746 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
8747 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
8748 altivec_vrlqnm): New define_expands.
8749 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
8750 VCMPGTUT_P): Add macro expansions.
8751 (BU_P10V_AV_P): Add builtin predicate definition.
8752 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
8753 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
8754 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
8755 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
8756 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
8757 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
8758 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
8759 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
8760 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
8761 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
8762 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
8763 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
8764 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
8765 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
8766 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
8767 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
8768 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
8769 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
8770 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
8771 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
8772 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
8773 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
8774 P10V_BUILTIN_MODU_V1TI):
8775 New overloaded definitions.
8776 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
8777 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
8778 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
8779 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
8780 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
8781 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
8783 (altivec_init_builtins): New E_V1TImode case statement.
8784 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
8785 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
8786 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
8787 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
8788 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
8789 E_V1TImode]: New case statements.
8790 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
8791 value RS6000_BTI_bool_V1TI.
8792 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
8793 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
8794 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
8795 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
8796 vlshrv1ti3, vashrv1ti3): New define_expands.
8797 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
8798 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
8799 UNSPEC_VSX_MODUQ): New unspecs.
8800 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
8801 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
8803 (vcmpnet): New define_expand.
8804 * doc/extend.texi: Add documentation for the new builtins vec_rl,
8805 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
8806 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
8807 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
8808 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
8809 vec_any_ge, vec_any_le.
8811 2021-06-09 Carl Love <cel@us.ibm.com>
8813 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
8814 bug in argument generation.
8816 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
8818 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
8820 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
8821 remove <supf> iterator.
8822 (mve_vclzq_u<mode>): New.
8823 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
8824 (neon_vclz<mode): Move to ...
8825 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
8826 * config/arm/vec-common.md: ... here. Add support for MVE.
8828 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
8830 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
8831 (@mve_vrhaddq_<supf><mode): Likewise.
8832 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
8833 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
8834 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
8836 2021-06-09 imba-tjd <109224573@qq.com>
8838 * doc/invoke.texi: Fix typo.
8840 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
8843 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
8844 Support evaluation of fmod/fmodf/fmodl at compile-time.
8846 2021-06-09 Richard Biener <rguenther@suse.de>
8848 PR tree-optimization/100981
8849 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
8850 gimple_get_lhs to also handle calls.
8851 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
8854 2021-06-09 Richard Biener <rguenther@suse.de>
8856 PR tree-optimization/97832
8857 * tree-vectorizer.h (_slp_tree::failed): New.
8858 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
8860 (_slp_tree::~_slp_tree): Free failed.
8861 (vect_build_slp_tree): Retain failed nodes and record
8862 matches in them, copying that back out when running
8863 into a cached fail. Dump start and end of discovery.
8865 (vect_build_slp_tree_2): Handle associatable chains
8866 together doing more aggressive operand swapping.
8868 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
8871 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
8873 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
8874 Linux and GNU targets.
8876 2021-06-09 Richard Biener <rguenther@suse.de>
8878 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
8881 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
8883 * config/arc/arc.md (loop_end): Change it to
8884 define_insn_and_split.
8886 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
8888 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
8889 (machi): New pattern.
8890 (umaddhisi4): Use VMAC2HU instruction.
8891 (umachi): New pattern.
8893 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
8895 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
8896 * config/arc/arc.c (arc_split_move_p): New function.
8897 (arc_split_move): Clean up.
8898 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
8899 (movdf_insn): Likewise.
8900 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
8902 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
8905 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
8906 argument to "raw". Do not emit segment overrides when "raw" is true.
8908 2021-06-09 Martin Liska <mliska@suse.cz>
8910 * doc/gcov.texi: Create a proper JSON files.
8911 * doc/invoke.texi: Remove dots in order to make it a valid
8914 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
8916 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
8917 (insn_is_load_p): Use pattern_is_rotate64.
8918 (insn_is_swap_p): Likewise.
8919 (quad_aligned_load_p): Likewise.
8920 (const_load_sequence_p): Likewise.
8921 (replace_swapped_aligned_load): Likewise.
8922 (recombine_lvx_pattern): Likewise.
8923 (recombine_stvx_pattern): Likewise.
8925 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
8927 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
8928 fur_stmt source record.
8929 * gimple-range.cc (fur_source::get_operand): Generic range query.
8930 (fur_source::get_phi_operand): New.
8931 (fur_source::register_dependency): New.
8932 (fur_source::query): New.
8933 (class fur_edge): New. Edge source for operands.
8934 (fur_edge::fur_edge): New.
8935 (fur_edge::get_operand): New.
8936 (fur_edge::get_phi_operand): New.
8937 (fur_edge::query): New.
8938 (fur_stmt::fur_stmt): New.
8939 (fur_stmt::get_operand): New.
8940 (fur_stmt::get_phi_operand): New.
8941 (fur_stmt::query): New.
8942 (class fur_depend): New. Statement source and process dependencies.
8943 (fur_depend::fur_depend): New.
8944 (fur_depend::register_dependency): New.
8945 (class fur_list): New. List source for operands.
8946 (fur_list::fur_list): New.
8947 (fur_list::get_operand): New.
8948 (fur_list::get_phi_operand): New.
8949 (fold_range): New. Instantiate appropriate fur_source class and fold.
8950 (fold_using_range::range_of_range_op): Use new API.
8951 (fold_using_range::range_of_address): Ditto.
8952 (fold_using_range::range_of_phi): Ditto.
8953 (imple_ranger::fold_range_internal): Use fur_depend class.
8954 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
8955 * gimple-range.h (class fur_source): Now a base class.
8956 (class fur_stmt): New.
8957 (fold_range): New prototypes.
8958 (fur_source::fur_source): Delete.
8960 2021-06-08 Andrew Pinski <apinski@marvell.com>
8962 PR tree-optimization/25290
8963 * tree-ssa-phiopt.c (xor_replacement): Delete.
8964 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
8965 (match_simplify_replacement): Allow one cheap preparation
8966 statement that can be moved to before the if.
8968 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
8970 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
8971 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
8973 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
8975 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
8976 Create length attribute on define_insn_and_split. Only split for cases which we
8978 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
8979 fix length computation.
8980 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
8982 2021-06-08 Richard Biener <rguenther@suse.de>
8984 PR tree-optimization/100923
8985 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
8986 the operand vector to be valueized.
8987 (valueize_refs): Likewise.
8988 (valueize_shared_reference_ops_from_ref): Adjust.
8989 (valueize_shared_reference_ops_from_call): Likewise.
8990 (vn_reference_lookup_3): Likewise.
8991 (vn_reference_lookup_pieces): Likewise. Re-valueize
8992 with honoring availability when we are about to create
8993 the ao_ref and valueized before.
8994 (vn_reference_lookup): Likewise.
8995 (vn_reference_insert_pieces): Adjust.
8997 2021-06-08 Richard Biener <rguenther@suse.de>
8999 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
9000 (_slp_instance::root_stmts): ... a vector.
9001 (SLP_INSTANCE_ROOT_STMT): Rename to ...
9002 (SLP_INSTANCE_ROOT_STMTS): ... this.
9003 (slp_root::root): Change to...
9004 (slp_root::roots): ... a vector.
9005 (slp_root::slp_root): Adjust.
9006 * tree-vect-slp.c (_slp_instance::location): Adjust.
9007 (vect_free_slp_instance): Release the root stmt vector.
9008 (vect_build_slp_instance): Adjust.
9009 (vect_analyze_slp): Likewise.
9010 (_bb_vec_info::~_bb_vec_info): Likewise.
9011 (vect_slp_analyze_operations): Likewise.
9012 (vect_bb_vectorization_profitable_p): Likewise. Adjust
9013 costs for the root stmt.
9014 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
9016 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
9018 (vectorize_slp_instance_root_stmt): Adjust.
9019 (vect_schedule_slp): Likewise.
9021 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
9023 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
9024 (ssa_equiv_stack::ssa_equiv_stack): New.
9025 (ssa_equiv_stack::~ssa_equiv_stack): New.
9026 (ssa_equiv_stack::enter): New.
9027 (ssa_equiv_stack::leave): New.
9028 (ssa_equiv_stack::push_replacement): New.
9029 (ssa_equiv_stack::get_replacement): New.
9030 (is_pointer_ssa): New.
9031 (class pointer_equiv_analyzer): New.
9032 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
9033 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
9034 (pointer_equiv_analyzer::set_global_equiv): New.
9035 (pointer_equiv_analyzer::set_cond_equiv): New.
9036 (pointer_equiv_analyzer::get_equiv): New.
9037 (pointer_equiv_analyzer::enter): New.
9038 (pointer_equiv_analyzer::leave): New.
9039 (pointer_equiv_analyzer::get_equiv_expr): New.
9040 (pta_valueize): New.
9041 (pointer_equiv_analyzer::visit_stmt): New.
9042 (pointer_equiv_analyzer::visit_edge): New.
9043 (hybrid_folder::value_of_expr): Call PTA.
9044 (hybrid_folder::value_on_edge): Same.
9045 (hybrid_folder::pre_fold_bb): New.
9046 (hybrid_folder::post_fold_bb): New.
9047 (hybrid_folder::pre_fold_stmt): New.
9048 (rvrp_folder::pre_fold_bb): New.
9049 (rvrp_folder::post_fold_bb): New.
9050 (rvrp_folder::pre_fold_stmt): New.
9051 (rvrp_folder::value_of_expr): Call PTA.
9052 (rvrp_folder::value_on_edge): Same.
9054 2021-06-08 Jakub Jelinek <jakub@redhat.com>
9057 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
9058 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
9060 2021-06-08 Richard Biener <rguenther@suse.de>
9062 PR middle-end/100951
9063 * tree-vect-generic.c (expand_vector_piecewise): Build a
9064 VECTOR_CST if all elements are constant.
9065 (expand_vector_condition): Likewise.
9066 (lower_vec_perm): Likewise.
9067 (expand_vector_conversion): Likewise.
9069 2021-06-08 Martin Liska <mliska@suse.cz>
9071 * doc/invoke.texi: Document new param evrp-sparse-threshold.
9073 2021-06-08 Martin Liska <mliska@suse.cz>
9075 * genautomata.c (create_automata): Fix typo.
9077 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
9079 PR tree-optimization/100794
9080 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
9081 allow_unroll_p and only allow unrolling when it's true.
9082 (tree_predictive_commoning): Add parameter allow_unroll_p and
9084 (run_tree_predictive_commoning): Likewise.
9085 (pass_predcom::gate): Check flag_tree_loop_vectorize and
9086 global_options_set.x_flag_predictive_commoning.
9087 (pass_predcom::execute): Adjust for allow_unroll_p.
9089 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
9091 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
9092 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
9093 lambda function cleanup, remove scev_reset call, and adjust return
9095 (tree_predictive_commoning): Adjust for different changed values,
9096 only set flag TODO_update_ssa_only_virtuals if changed.
9097 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
9098 from todo_flags_finish.
9100 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
9102 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
9103 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
9104 (sbr_sparse_bitmap::bitmap_set_quad): New.
9105 (sbr_sparse_bitmap::bitmap_get_quad): New.
9106 (sbr_sparse_bitmap::set_bb_range): New.
9107 (sbr_sparse_bitmap::get_bb_range): New.
9108 (sbr_sparse_bitmap::bb_range_p): New.
9109 (block_range_cache::block_range_cache): initialize bitmap obstack.
9110 (block_range_cache::~block_range_cache): Destruct obstack.
9111 (block_range_cache::set_bb_range): Decide when to utilze the
9112 sparse on entry cache.
9113 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
9114 * params.opt (-param=evrp-sparse-threshold): New.
9116 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
9118 * bitmap.c (bitmap_set_aligned_chunk): New.
9119 (bitmap_get_aligned_chunk): New.
9120 (test_aligned_chunk): New.
9121 (bitmap_c_tests): Call test_aligned_chunk.
9122 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
9124 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
9127 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
9129 (ix86_expand_vector_init_one_nonzero): Ditto.
9130 (ix86_expand_vector_init_one_var): Ditto.
9131 (ix86_expand_vector_init_general): Ditto.
9132 * config/i386/mmx.md (vec_initv4qiqi): New expander.
9134 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
9136 * config/h8300/movepush.md: Change most _clobber_flags
9137 patterns to instead use <cczn> subst.
9138 (movsi_cczn): New pattern with usable CC cases split out.
9139 (movsi_h8sx_cczn): Likewise.
9141 2021-06-07 Martin Liska <mliska@suse.cz>
9143 * common/common-target.def: Split long lines and replace them
9145 * target.def: Likewise.
9146 * doc/tm.texi: Re-generated.
9148 2021-06-07 Jakub Jelinek <jakub@redhat.com>
9151 * fold-const.c (fold_read_from_vector): Return NULL if trying to
9152 read from a CONSTRUCTOR with vector type elements.
9154 2021-06-07 Jakub Jelinek <jakub@redhat.com>
9156 PR middle-end/100898
9157 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
9158 should copy any arguments. Don't call gimple_call_num_args
9159 on id->call_stmt or call_stmt more than once.
9161 2021-06-07 liuhongt <hongtao.liu@intel.com>
9164 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
9166 (<insn>v4siv4di2): Delete constraints for define_expand.
9168 2021-06-07 liuhongt <hongtao.liu@intel.com>
9171 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
9172 assignment of cfun->machine->has_explicit_vzeroupper.
9173 * config/i386/i386-features.c
9174 (ix86_add_reg_usage_to_vzerouppers): Delete.
9175 (ix86_add_reg_usage_to_vzeroupper): Ditto.
9176 (rest_of_handle_insert_vzeroupper): Remove
9177 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
9179 (gate): Remove cfun->machine->has_explicit_vzeroupper.
9180 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
9182 * config/i386/i386.c (ix86_insn_callee_abi): New function.
9183 (ix86_initialize_callee_abi): Ditto.
9184 (ix86_expand_avx_vzeroupper): Ditto.
9185 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
9187 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
9188 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
9190 * config/i386/i386.h (struct GTY(()) machine_function): Delete
9191 has_explicit_vzeroupper.
9192 * config/i386/i386.md (enum unspec): New member
9194 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
9195 define_constants for insn callee abi index.
9196 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
9197 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
9198 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
9199 (*avx_vzeroupper): Rename to ..
9200 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
9201 call_insn which has a special vzeroupper ABI.
9202 (*avx_vzeroupper_1): Deleted.
9204 2021-06-07 liuhongt <hongtao.liu@intel.com>
9207 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
9208 it won't use stack pointer reg.
9209 * final.c (leaf_function_p): When call_insn is a fake call, it
9210 won't affect caller as a leaf function.
9211 * reg-stack.c (callee_clobbers_any_stack_reg): New.
9212 (subst_stack_regs): When call_insn doesn't clobber any stack
9213 reg, don't clear the arguments.
9214 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
9216 * shrink-wrap.c (requires_stack_frame_p): No need for stack
9217 frame for a fake call.
9218 * rtl.h (FAKE_CALL_P): New macro.
9220 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
9222 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
9224 (sparc_order_regs_for_local_alloc): ...this.
9225 (sparc_leaf_reg_remap): Declare.
9226 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
9227 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
9228 * config/sparc/sparc.c (leaf_reg_remap): Delete.
9229 (order_regs_for_local_alloc): Rename to...
9230 (sparc_order_regs_for_local_alloc): ...this.
9231 (sparc_leaf_reg_remap): New function.
9232 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
9234 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
9236 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
9237 Use assemble_name to output BSS section name.
9239 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
9241 * config/i386/constraints.md (Bs):
9242 Remove boolean operators from match_test RTX.
9245 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
9248 2021-06-06 Martin Liska <mliska@suse.cz>
9250 * doc/extend.texi: Add missing @headitem.
9251 * doc/invoke.texi: Likewise.
9252 * doc/objc.texi: Likewise.
9254 2021-06-06 Martin Liska <mliska@suse.cz>
9256 * genhooks.c (emit_findices): Remove unused function.
9257 (emit_documentation): Do not call emit_findices
9258 and do not search for @Fcode directives.
9260 2021-06-06 Martin Liska <mliska@suse.cz>
9262 * doc/invoke.texi: Remove extra character.
9264 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9266 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
9268 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9270 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
9271 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
9272 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
9273 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
9275 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9277 * config/or1k/or1k.md (*movdi): Fix empty split condition.
9279 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9281 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
9284 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9286 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
9287 *zero_extendsidi2): Fix empty split condition.
9289 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
9291 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
9293 * config/h8300/bitfield.md: Likewise.
9294 * config/h8300/combiner.md: Likewise.
9295 * config/h8300/divmod.md: Likewise.
9296 * config/h8300/extensions.md: Likewise.
9297 * config/h8300/jumpcall.md: Likewise.
9298 * config/h8300/movepush.md: Likewise.
9299 * config/h8300/multiply.md: Likewise.
9300 * config/h8300/other.md: Likewise.
9301 * config/h8300/shiftrotate.md: Likewise.
9302 * config/h8300/logical.md: Likewise. Fix split pattern to use
9303 code iterator that somehow slipped through.
9305 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
9307 PR middle-end/100905
9308 * tree-nested.c (convert_nonlocal_omp_clauses,
9309 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
9311 2021-06-04 Martin Sebor <msebor@redhat.com>
9313 PR middle-end/100732
9314 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
9315 with either source or destination argument of invalid type.
9316 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
9317 calls with arguments of invalid type.
9319 2021-06-04 Martin Sebor <msebor@redhat.com>
9321 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
9323 (attr_access::vla_bounds): Also handle VLA bounds.
9325 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
9327 * config/i386/predicates.md (GOT_memory_operand):
9328 Implement using match_code RTXes.
9329 (GOT32_symbol_operand): Ditto.
9331 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
9334 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
9336 (ix86_expand_vector_init_general): Ditto.
9337 Use SImode instead of word_mode for logic operations
9338 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
9339 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
9340 implemented by expand_vec_perm_1.
9341 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
9342 should be implemented using standard shuffle patterns.
9343 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
9344 V2HI modes to modes, implementable with shuffle for one operand.
9345 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
9346 (*pshufw_1): New insn pattern.
9347 (*vec_dupv2hi): Ditto.
9348 (vec_initv2hihi): New expander.
9350 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
9352 * config/arm/vfp.md (no_literal_pool_df_immediate,
9353 no_literal_pool_sf_immediate): Fix empty split condition.
9355 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
9357 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
9358 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
9359 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
9360 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
9361 *<sse4_1_avx2>_pblendvb_lt): Likewise.
9363 2021-06-04 Jakub Jelinek <jakub@redhat.com>
9366 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
9367 concatenation from half-sized modes with TImode elements.
9369 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
9371 * config/arc/arc.c (arc_override_options): Disable millicode
9372 thunks when RF16 is on.
9374 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
9376 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
9378 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
9380 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
9381 Replace PROMOTE_MODE marco with its content.
9383 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
9385 * config/cris/cris.md (*addi_reload): Fix empty split condition.
9387 2021-06-03 Jim Wilson <jimw@sifive.com>
9389 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
9390 turn it on for all riscv targets.
9392 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
9395 * config/i386/i386-expand.c (ix86_expand_vector_set):
9396 Handle V2HI and V4QI modes.
9397 (ix86_expand_vector_extract): Ditto.
9398 * config/i386/mmx.md (*pinsrw): New insn pattern.
9401 (*pextrw_zext): Ditto.
9403 (*pextrb_zext): Ditto.
9404 (vec_setv2hi): New expander.
9405 (vec_extractv2hihi): Ditto.
9406 (vec_setv4qi): Ditto.
9407 (vec_extractv4qiqi): Ditto.
9408 (vec_setv8qi): Enable only for TARGET_SSE4_1.
9409 (vec_extractv8qiqi): Ditto.
9411 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
9413 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
9414 order to subf instruction.
9415 * config/rs6000/fusion.md: Regenerate.
9417 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9419 * calls.c (get_size_range): Use range_of_expr instead of
9420 determine_value_range.
9421 * tree-affine.c (expr_to_aff_combination): Same.
9422 * tree-data-ref.c (split_constant_offset): Same.
9423 * tree-vrp.c (determine_value_range_1): Remove.
9424 (determine_value_range): Remove.
9425 * tree-vrp.h (determine_value_range): Remove.
9427 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9429 * function-tests.c (test_ranges): Call gimple_range_tests.
9430 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
9432 * gimple-range.cc (fur_source::get_operand): Do not call
9433 get_tree_range or gimple_range_global.
9435 (get_tree_range): Move to value-query.cc.
9436 Call get_arith_expr_range.
9437 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
9438 Include gimple-range-tests.cc.
9439 * gimple-range.h (fold_range): Add argument.
9440 (get_tree_range): Remove.
9441 * selftest.h (gimple_range_tests): New.
9442 * value-query.cc (global_range_query::range_of_expr): Add
9444 (range_query::get_tree_range): Move from gimple-range.cc.
9445 * value-query.h (class range_query): Add get_tree_range and
9446 get_arith_expr_range. Make fur_source a friend.
9447 * vr-values.c (vr_values::range_of_expr): Pass stmt to
9449 * gimple-range-tests.cc: New file.
9451 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9453 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
9454 update_global_range.
9455 * value-query.cc (update_global_range): New.
9456 * value-query.h (update_global_range): New.
9458 2021-06-03 David Malcolm <dmalcolm@redhat.com>
9460 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
9461 printing the same location twice if there are fix-it hints,
9462 multiple locations, or a label.
9464 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
9466 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
9467 thresholds to narrow the upper bound on epilogue iterations.
9469 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
9471 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
9472 (mve_vabsq_s<mode>): Likewise.
9473 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
9474 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
9475 * config/arm/vec-common.md (neg<mode>2): Rename to
9476 <absneg_str><mode>2.
9478 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
9480 * common/config/arc/arc-common.c (arc_option_optimization_table):
9482 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
9483 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
9484 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
9485 * config/arc/arc.md (abssi2_mixed): Remove pattern.
9486 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
9487 (malign-call): Likewise.
9488 (mmixed-code): Likewise.
9489 * doc/invoke.texi (ARC): Update doc.
9491 2021-06-03 Martin Liska <mliska@suse.cz>
9493 * common.opt: Use proper Enum values.
9494 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
9495 (parse_sanitizer_options): Handle only sanitizer_opts.
9496 (common_handle_option): Just assign value.
9498 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9501 * tree-inline.c (inline_forbidden_p): Remove test on return type.
9503 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9505 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
9506 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
9507 (type_byte_size): Inline into...
9508 (add_byte_size_attribute): ...this and call add_scalar_info.
9510 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9512 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
9513 (typed_binop_from_tree): New function.
9514 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
9515 turn a divide by a power of 2 into a shift.
9516 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
9517 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
9518 typed divide by calling typed_binop_from_tree.
9520 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9522 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
9523 (is_handled_procedure_type): Likewise.
9524 (struct loc_descr_context): Add strict_signedness field.
9525 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
9526 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
9527 (resolve_args_picking): Minor tweak.
9528 (function_to_dwarf_procedure): Initialize strict_signedness field.
9529 (type_byte_size): Likewise.
9530 (field_byte_offset): Likewise.
9531 (gen_descr_array_type_die): Likewise.
9532 (gen_variant_part): Likewise.
9533 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
9534 to true when a context is present before evaluating the arguments.
9535 <COND_EXPR>: Do not generate a useless comparison with zero.
9536 When dereferencing an address, if strict_signedness is true and the
9537 type is small and signed, use DW_OP_deref_type to do the dereference
9538 and then DW_OP_convert to convert back to the generic type.
9540 2021-06-03 Jakub Jelinek <jakub@redhat.com>
9543 * tree-inline.c (copy_tree_body_r): Handle iterators on
9544 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
9546 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
9548 * config/arc/arc.md (*bbit_di): Remove.
9550 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
9552 PR rtl-optimization/100264
9553 * ree.c (get_sub_rtx): Ignore SET expressions without register
9554 destinations and remove assertion, as it is not valid anymore
9555 with this new behaviour.
9556 (merge_def_and_ext): Eliminate destination check for register
9557 as such SET expressions can't occur anymore.
9558 (combine_reaching_defs): Likewise.
9560 2021-06-02 Jakub Jelinek <jakub@redhat.com>
9563 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
9564 -Wtype-limits warnings.
9565 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
9566 in operands to avoid -Wsign-compare warnings.
9568 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
9570 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
9573 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
9575 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
9577 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
9579 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
9581 * config/s390/subst.md(cconly_subst): Use a single constraint
9584 2021-06-02 Martin Liska <mliska@suse.cz>
9586 * ipa-icf.h: Use auto_vec for memory_access_types.
9588 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
9590 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
9591 argument from prototype.
9592 (output_logical_op): Add rtx_code argument.
9593 (compute_logical_op_length): Likewise.
9594 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
9595 to compute_a_shift_length.
9596 (output_logical_op); New argument with the rtx code rather than
9597 extracting it from an operand. Handle QImode too.
9598 (compute_logical_op_length): Similary.
9599 (compute_a_shift_length): Drop unused argument.
9600 * config/h8300/h8300.md (logicals): New code iterator.
9601 * config/h8300/logical.md (<code><mode>3 expander): Combine
9602 the "and" expander with the "ior"/"xor" expander.
9603 (bclr<mode>msx): Combine the QI/HI mode patterns.
9604 (<logical><mode>3 insns): Use code iterator rather than match_operator.
9605 Handle QImode as well. Update call to output_logical_op and
9606 compute_logical_op_length to pass in rtx_code
9607 Fix split condition on all define_insn_and_split patterns.
9608 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
9609 the flags and setting ZN via existing define_subst.
9610 * config/h8300/shiftrotate.md: Drop unused argument from
9611 calls to compute_a_shift_length.
9612 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
9614 2021-06-01 Andrew Pinski <apinski@marvell.com>
9616 PR tree-optimization/25290
9617 * tree-ssa-phiopt.c (match_simplify_replacement):
9619 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
9620 (two_value_replacement): Change the comment about
9621 conditional_replacement.
9622 (conditional_replacement): Delete.
9624 2021-06-01 Andrew Pinski <apinski@marvell.com>
9626 PR tree-optimization/95481
9627 * tree-tailcall.c (find_tail_calls): Handle empty typed
9630 2021-06-01 Andrew Pinski <apinski@marvell.com>
9632 * gimplify.c (zero_sized_field_decl): Delete
9633 (zero_sized_type): Delete
9634 (gimplify_init_ctor_eval): Use is_empty_type instead
9635 of zero_sized_field_decl.
9636 (gimplify_modify_expr): Use is_empty_type instead of
9639 2021-06-01 Jason Merrill <jason@redhat.com>
9642 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
9644 2021-06-01 Jason Merrill <jason@redhat.com>
9647 * diagnostic.h (warning_enabled_at): Declare.
9648 * diagnostic.c (diagnostic_enabled): Factor out from...
9649 (diagnostic_report_diagnostic): ...here.
9650 (warning_enabled_at): New.
9652 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
9654 * gimple-ssa-evrp.c: Enable exporting of global ranges.
9656 2021-06-01 Martin Liska <mliska@suse.cz>
9659 * doc/invoke.texi: Mention that -fgcse-after-reload
9660 is enabled with -O3.
9662 2021-06-01 liuhongt <hongtao.liu@intel.com>
9664 PR tree-optimization/98365
9665 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
9666 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
9667 (convert_scalar_cond_reduction): Ditto.
9668 (predicate_scalar_phi): Ditto.
9670 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9672 PR tree-optimization/100781
9673 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
9674 value calculation by default.
9675 (ranger_cache::enable_new_values): New.
9676 (ranger_cache::disable_new_values): New.
9677 (ranger_cache::push_poor_value): Check if new values are allowed.
9678 * gimple-range-cache.h (class ranger_cache): New member/methods.
9679 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
9680 statement, and disable/renable new value calculation.
9682 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9684 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
9685 (ranger_cache::range_of_def): New.
9686 (ranger_cache::entry_range): New.
9687 (ranger_cache::exit_range): New.
9688 (ranger_cache::range_of_expr): Adjust.
9689 (ranger_cache::range_on_edge): Adjust.
9690 (ranger_cache::propagate_cache): Call exit_range directly.
9691 * gimple-range-cache.h (class ranger_cache): Adjust.
9693 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9695 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
9696 gori_compute being a member rather than base class.
9697 dervied call to member call.
9698 (ranger_cache::dump): No longer dump gori_map.
9699 (ranger_cache::dump_bb): New.
9700 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
9701 being a member rather than base class.
9702 (ranger_cache::set_global_range): Ditto.
9703 (ranger_cache::ssa_range_in_bb): Ditto.
9704 (ranger_cache::range_of_expr): New.
9705 (ranger_cache::range_on_edge): New.
9706 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
9707 (ranger_cache::propagate_cache): Adjust debugging output.
9708 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
9710 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
9711 member, and inherit from range_query instead.
9712 (ranger_cache::dump_bb): New. split from dump.
9713 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
9714 (gori_compute::expr_range_at_stmt): Delete.
9715 (gori_compute::compute_name_range_op): Delete.
9716 (gori_compute::compute_operand_range_switch): Add fur_source.
9717 (gori_compute::compute_operand_range): Add fur_source param, inline
9718 old compute_name_range_op and optimize_logical_operands.
9719 (struct tf_range): Delete.
9720 (gori_compute::logical_combine): Adjust
9721 (gori_compute::optimize_logical_operands): Delete.
9722 (gori_compute::compute_logical_operands_in_chain): Delete.
9723 (gori_compute::compute_logical_operands): Adjust.
9724 (gori_compute::compute_operand1_range): Adjust to fur_source.
9725 (gori_compute::compute_operand2_range): Ditto.
9726 (gori_compute::compute_operand1_and_operand2_range): Ditto.
9727 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
9728 and adjust to fur_source.
9729 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
9730 range_query and fur_source.
9731 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
9732 from the ranger_cache..
9733 (gimple_ranger::fold_range_internal): Adjust to base class change of
9735 (gimple_ranger::dump_bb): Adjust dump.
9736 * gimple-range.h (gimple_ranger):export gori computes object.
9738 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9740 PR tree-optimization/100774
9741 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
9742 Constant values are also not stale.
9743 (ranger_cache::set_global_range): Range invariant values should also
9744 have the correct timestamp.
9746 2021-05-31 Martin Liska <mliska@suse.cz>
9748 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
9749 Unpack FUNCTION_DECL_DECL_TYPE.
9750 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
9751 Stream FUNCTION_DECL_DECL_TYPE instead of
9752 DECL_IS_OPERATOR_NEW_P.
9753 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
9755 (DECL_IS_OPERATOR_NEW_P): Likewise.
9756 (DECL_IS_OPERATOR_DELETE_P): Likewise.
9757 (DECL_LAMBDA_FUNCTION_P): Likewise.
9759 2021-05-31 Richard Biener <rguenther@suse.de>
9762 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
9763 * internal-fn.def (SHUFFLEVECTOR): New.
9764 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
9765 * doc/extend.texi: Document __builtin_shufflevector.
9767 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
9770 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
9771 indexed form addresses.
9773 2021-05-29 Jeff Law <jlaw@tachyum.com>
9775 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
9776 parameter. Call callers fixed.
9778 (output_plussi): Add FALLTHRU markers.
9779 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
9781 2021-05-29 Jakub Jelinek <jakub@redhat.com>
9784 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
9785 combined with parallel, make sure to add shared clause to
9786 parallel for explicit linear clause.
9788 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
9790 PR tree-optimization/100787
9791 * gimple-ssa-evrp.c: Disable exporting of global ranges.
9793 2021-05-28 Jason Merrill <jason@redhat.com>
9795 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
9796 operator--, operator*, operator==, and operator!=.
9797 (class tsi_range): New.
9799 2021-05-28 Richard Biener <rguenther@suse.de>
9801 PR tree-optimization/100778
9802 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
9803 trapping ops in different BBs.
9805 2021-05-28 Richard Biener <rguenther@suse.de>
9808 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
9809 copy fntype from original call.
9811 2021-05-28 Martin Liska <mliska@suse.cz>
9813 PR gcov-profile/100751
9814 * doc/gcov.texi: Revert partially a hunk that was wrong.
9816 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
9818 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
9820 (HAVE_sync_compare_and_swaphi): Likewise.
9821 (HAVE_sync_compare_and_swapsi): Likewise.
9823 2021-05-28 Jakub Jelinek <jakub@redhat.com>
9826 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
9828 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
9830 * gimplify.c (gimplify_omp_affinity): New.
9831 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
9832 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
9833 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
9834 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
9835 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
9837 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
9838 Richard Biener <rguenther@suse.de>
9840 * match.pd <popcount & / + pattern matching>:
9841 When generating popcount directly fails, try doing it in two halves.
9843 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
9845 * Makefile.in (generated_files): Add gimple-match.c and
9848 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
9850 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
9852 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
9854 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
9856 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
9858 PR tree-optimization/99398
9859 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
9860 where the fed operands are CTOR/CST and propagated through
9861 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
9862 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
9864 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
9867 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
9869 * config/i386/mmx.md (addv2sf3): Do not call
9870 ix86_fixup_binary_operands_no_copy.
9873 (<smaxmin:code>v2sf3): Ditto.
9874 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
9875 (<plusminus:insn><VI_32:mode>3): Remove expander.
9876 (<plusminus:insn><VI_32:mode>3): Rename from
9877 "*<plusminus:insn><VI_32:mode>3".
9878 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
9879 (mulv2hi3): Remove expander.
9880 (mulv2hi3): Rename from *mulv2hi3.
9881 (<s>mulv2hi3_highpart): Remove expander.
9882 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
9883 (<smaxmin:code><MMXMODE14:mode>3): Rename from
9884 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
9885 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
9886 (SMAXMIN_MMXMODEI): Remove mode iterator.
9887 (<smaxmin:code>v4hi3): New expander.
9888 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
9889 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
9890 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
9891 (SMAXMIN_VI_32): Remove mode iterator.
9892 (<umaxmin:code><MMXMODE24:mode>3): Rename from
9893 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
9894 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
9895 (UMAXMIN_MMXMODEI): Remove mode iterator.
9896 (<umaxmin:code>v8qi3): New expander.
9897 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
9898 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
9899 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
9900 (UMAXMIN_VI_32): Remove mode iterator.
9901 (<any_shift:insn>v2hi3): Remove expander.
9902 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
9903 (<any_logic:code><MMXMODEI:mode>3): Do not call
9904 ix86_fixup_binary_operands_no_copy.
9905 (<any_logic:code><VI_32:mode>3): Remove expander.
9906 (<any_logic:code><VI_32:mode>3): Rename from
9907 "*<any_logic:code><VI_32:mode>3".
9908 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
9909 * config/i386/sse.md (div<VF2:mode>3): Do not call
9910 ix86_fixup_binary_operands_no_copy.
9911 (div<VF1:mode>3): Ditto.
9912 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
9913 (smulhrsv4hi3): Ditto.
9914 (smulhrsv2hi3): Ditto.
9916 2021-05-27 Martin Sebor <msebor@redhat.com>
9918 * ggc.h (gt_ggc_mx): Add overloads for all integers.
9920 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
9922 (hash_map::operator==): New function.
9924 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
9927 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
9928 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
9929 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
9930 (*xop_maskcmp<VI_32:mode>3): Ditto.
9931 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
9932 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
9934 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
9937 * config/arm/arm.c (arm_configure_build_target): Remove parameter
9938 opts_set, directly check opts parameters for being non-null.
9939 (arm_option_restore): Update call to arm_configure_build_target.
9940 (arm_option_override): Likewise.
9941 (arm_can_inline_p): Likewise.
9942 (arm_valid_target_attribute_tree): Likewise.
9943 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
9944 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
9947 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
9949 * vr-values.c (simplify_conversion_using_ranges): Use
9950 get_range_query instead of get_global_range_query.
9952 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
9954 * gimple-range.cc (get_range_global): Move to value-query.cc.
9955 (gimple_range_global): Same.
9956 (get_global_range_query): Same.
9957 (global_range_query::range_of_expr): Same.
9958 * gimple-range.h (class global_range_query): Move to
9960 (gimple_range_global): Same.
9961 * tree-ssanames.c (get_range_info): Move to value-query.cc.
9962 (get_ptr_nonnull): Same.
9963 * tree-ssanames.h (get_range_info): Remove.
9964 (get_ptr_nonnull): Remove.
9965 * value-query.cc (get_ssa_name_range_info): Move from
9967 (get_ssa_name_ptr_info_nonnull): Same.
9968 (get_range_global): Move from gimple-range.cc.
9969 (gimple_range_global): Same.
9970 (get_global_range_query): Same.
9971 (global_range_query::range_of_expr): Same.
9972 * value-query.h (class global_range_query): Move from
9974 (gimple_range_global): Same.
9976 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
9979 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
9980 (uavgv2hi3_ceil): Ditto.
9982 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
9985 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
9987 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
9989 * tree-ssanames.c (get_range_info): Merge both copies of
9990 get_range_info into one that works with irange.
9991 * tree-ssanames.h (get_range_info): Remove version that works on
9994 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
9996 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
9997 (expand_builtin_strnlen): Same.
9998 (determine_block_size): Same.
9999 * fold-const.c (expr_not_equal_to): Same.
10000 * gimple-fold.c (size_must_be_zero_p): Same.
10001 * gimple-match-head.c: Include gimple-range.h.
10002 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
10003 * gimple-ssa-warn-restrict.c
10004 (builtin_memref::extend_offset_range): Same.
10005 * graphite-sese-to-poly.c (add_param_constraints): Same.
10006 * internal-fn.c (get_min_precision): Same.
10007 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
10008 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
10010 * tree-data-ref.c (split_constant_offset): Same.
10011 (dr_step_indicator): Same.
10012 * tree-dfa.c (get_ref_base_and_extent): Same.
10013 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
10014 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
10015 (determine_value_range): Same.
10016 (record_nonwrapping_iv): Same.
10017 (infer_loop_bounds_from_signedness): Same.
10018 (scev_var_range_cant_overflow): Same.
10019 * tree-ssa-phiopt.c (two_value_replacement): Same.
10020 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
10021 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
10022 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
10024 (dump_strlen_info): Same.
10025 (set_strlen_range): Same.
10026 (maybe_diag_stxncpy_trunc): Same.
10027 (get_len_or_size): Same.
10028 (handle_integral_assign): Same.
10029 * tree-ssa-structalias.c (find_what_p_points_to): Same.
10030 * tree-ssa-uninit.c (find_var_cmp_const): Same.
10031 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
10032 * tree-vect-patterns.c (vect_get_range_info): Same.
10033 (vect_recog_divmod_pattern): Same.
10034 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
10035 (register_edge_assert_for_2): Same.
10036 (determine_value_range_1): Same.
10037 * tree.c (get_range_pos_neg): Same.
10038 * vr-values.c (vr_values::get_lattice_entry): Same.
10039 (vr_values::update_value_range): Same.
10040 (simplify_conversion_using_ranges): Same.
10042 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
10044 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
10045 get_range_query instead of query argument.
10046 (pass_walloca::execute): Enable and disable global ranger.
10048 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
10050 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
10052 (rvrp_folder::~rvrp_folder): Call disable_ranger.
10053 (hybrid_folder::hybrid_folder): Call enable_ranger.
10054 (hybrid_folder::~hybrid_folder): Call disable_ranger.
10056 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
10058 * function.c (allocate_struct_function): Set cfun->x_range_query.
10059 * function.h (struct function): Declare x_range_query.
10060 (get_range_query): New.
10061 (get_global_range_query): New.
10062 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
10063 Remove call to safe_grow_cleared.
10064 * gimple-range.cc (get_range_global): New.
10065 (gimple_range_global): Move from gimple-range.h.
10066 (get_global_range_query): New.
10067 (global_range_query::range_of_expr): New.
10068 (enable_ranger): New.
10069 (disable_ranger): New.
10070 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
10071 (class global_range_query): New.
10072 (enable_ranger): New.
10073 (disable_ranger): New.
10074 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
10075 dump_all_value_ranges to dump.
10076 * tree-vrp.c (vrp_prop::finalize): Same.
10077 * value-query.cc (range_query::dump): New.
10078 * value-query.h (range_query::dump): New.
10079 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
10080 (vr_values::dump): ...this.
10081 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
10082 dump and make virtual.
10084 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
10086 * config/i386/i386.c (ix86_autovectorize_vector_modes):
10087 Add V4QImode and V16QImode for TARGET_SSE2.
10088 * doc/sourcebuild.texi (Vector-specific attributes):
10089 Add vect64 and vect32 description.
10091 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
10093 * gimple-range-gori.cc (range_def_chain::register_dependency):
10094 Resize m_def_chain when needed.
10096 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
10098 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
10099 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
10100 * config/arm/vec-common.md: .. here. Add support for MVE.
10102 2021-05-26 Jakub Jelinek <jakub@redhat.com>
10104 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
10106 * config/microblaze/microblaze.c (microblaze_legitimize_address,
10108 microblaze_option_override, print_operand): Likewise.
10109 * config/microblaze/microblaze.md (call_internal_plt,
10110 call_value_intern_plt, call_value_intern): Likewise.
10111 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
10112 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
10113 call_value_multiple_internal1): Likewise.
10114 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
10116 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10118 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
10119 arc_ccfsm_advance, symbolic_reference_mentioned_p,
10120 arc_raw_symbolic_reference_mentioned_p): Remove register
10123 2021-05-26 Jakub Jelinek <jakub@redhat.com>
10126 * omp-low.c: Include omp-offload.h.
10127 (create_omp_child_function): If current_function_decl has
10128 "omp declare target" attribute and is_gimple_omp_offloaded,
10129 remove that attribute from the copy of attribute list and
10130 add "omp target entrypoint" attribute instead.
10131 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
10132 variables for offloading if in omp_maybe_offloaded_ctx.
10133 * omp-offload.c (pass_omp_target_link::execute): Nullify second
10134 argument to GOMP_target_data_ext in offloaded code.
10136 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10138 * config/csky/csky.c (csky_can_change_mode_class): Delete.
10139 For csky, HF/SF mode use the low bits of VREGS.
10141 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
10143 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
10144 DECL which is a reference for OMP.
10146 2021-05-26 Martin Liska <mliska@suse.cz>
10148 PR gcov-profile/100751
10149 * doc/gcov.texi: Document that __gcov_dump can be called just
10150 once and that __gcov_reset resets run-time counters.
10152 2021-05-26 Martin Liska <mliska@suse.cz>
10154 * doc/install.texi: Port relevant part from install-old.texi
10155 and re-generate list of CPUs and systems.
10157 2021-05-26 Martin Liska <mliska@suse.cz>
10159 * Makefile.in: Remove it.
10160 * doc/include/fdl.texi: Update next/previous chapters.
10161 * doc/install.texi: Likewise.
10162 * doc/install-old.texi: Removed.
10164 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10166 * config/csky/csky.c (ck810_legitimate_index_p): Support
10167 "base + index" with DF mode.
10168 * config/csky/constraints.md ("Y"): New constraint for memory operands
10169 without index register.
10170 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
10171 when mov between memory and general registers, and lower their priority.
10172 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
10174 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10176 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
10178 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10180 * config/csky/csky.md (untyped_call): Emit clobber for return
10181 registers to mark them used.
10183 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10185 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
10187 2021-05-26 Andrew Pinski <apinski@marvell.com>
10189 * match.pd (x < 0 ? ~y : y): New patterns.
10191 2021-05-26 Andrew Pinski <apinski@marvell.com>
10193 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
10194 A?POW2:0 and A?0:POW2.
10196 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10198 * gimple-range-gori.cc (class logical_stmt_cache): Delete
10199 (logical_stmt_cache::logical_stmt_cache ): Delete.
10200 (logical_stmt_cache::~logical_stmt_cache): Delete.
10201 (logical_stmt_cache::cache_entry::dump): Delete.
10202 (logical_stmt_cache::get_range): Delete.
10203 (logical_stmt_cache::cached_name ): Delete.
10204 (logical_stmt_cache::same_cached_name): Delete.
10205 (logical_stmt_cache::cacheable_p): Delete.
10206 (logical_stmt_cache::slot_diagnostics ): Delete.
10207 (logical_stmt_cache::dump): Delete.
10208 (gori_compute_cache::gori_compute_cache): Delete.
10209 (gori_compute_cache::~gori_compute_cache): Delete.
10210 (gori_compute_cache::compute_operand_range): Delete.
10211 (gori_compute_cache::cache_stmt): Delete.
10212 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
10214 (class gori_compute_cache): Delete.
10216 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10218 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
10220 (fold_using_range::range_of_address): Adjust.
10221 (fold_using_range::range_of_phi): Adjust.
10222 * gimple-range.h (class fur_source): Adjust.
10223 (fur_source::fur_source): Adjust.
10225 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10227 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
10228 from expr_range_in_bb and adjust.
10229 (gori_compute::compute_name_range_op): Adjust.
10230 (gori_compute::optimize_logical_operands): Adjust.
10231 (gori_compute::compute_logical_operands_in_chain): Adjust.
10232 (gori_compute::compute_operand1_range): Adjust.
10233 (gori_compute::compute_operand2_range): Adjust.
10234 (ori_compute_cache::cache_stmt): Adjust.
10235 * gimple-range-gori.h (gori_compute): Rename prototype.
10237 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10239 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
10240 checked only after range_of_stmt, not range_on_entry.
10241 (gimple_ranger::range_on_entry): Check for non-null in any
10242 predecessor block, if it is not already non-null.
10243 (gimple_ranger::range_on_exit): DOnt check for non-null after
10244 range on entry call.
10245 (gimple_ranger::dump_bb): New. Split from dump.
10246 (gimple_ranger::dump): Adjust.
10247 * gimple-range.h (class gimple_ranger): Adjust.
10249 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10251 * gimple-range-cache.cc (struct range_timestamp): Delete.
10252 (class temporal_cache): Adjust.
10253 (temporal_cache::get_timestamp): Delete.
10254 (temporal_cache::set_dependency): Delete.
10255 (temporal_cache::temporal_value): Adjust.
10256 (temporal_cache::current_p): Take dependencies as params.
10257 (temporal_cache::set_timestamp): Adjust.
10258 (temporal_cache::set_always_current): Adjust.
10259 (ranger_cache::get_non_stale_global_range): Adjust.
10260 (ranger_cache::register_dependency): Delete.
10261 * gimple-range-cache.h (class range_cache): Adjust.
10263 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10265 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
10267 (range_def_chain::~range_def_chain): Dispose of obstack rather than
10268 each individual bitmap.
10269 (range_def_chain::set_import): New.
10270 (range_def_chain::get_imports): New.
10271 (range_def_chain::chain_import_p): New.
10272 (range_def_chain::register_dependency): Rename from build_def_chain
10274 (range_def_chain::def_chain_in_bitmap_p): New.
10275 (range_def_chain::add_def_chain_to_bitmap): New.
10276 (range_def_chain::has_def_chain): Just check first depenedence.
10277 (range_def_chain::get_def_chain): Process imports, use generic
10278 register_dependency routine.
10279 (range_def_chain::dump): New.
10280 (gori_map::gori_map): Allocate import list.
10281 (gori_map::~gori_map): Release imports.
10282 (gori_map::exports): Check for past allocated block size.
10283 (gori_map::imports): New.
10284 (gori_map::def_chain_in_export_p): Delete.
10285 (gori_map::is_import_p): New.
10286 (gori_map::maybe_add_gori): Handle imports.
10287 (gori_map::dump): Adjust output, add imports.
10288 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
10289 (gori_export_iterator::gori_export_iterator): New.
10290 (gori_export_iterator::next): New.
10291 (gori_export_iterator::get_name): New.
10292 * gimple-range-gori.h (range_def_chain): Add imports and direct
10293 dependecies via struct rdc.
10294 (range_def_chain::depend1): New.
10295 (range_def_chain::depend2): New.
10296 (class gori_map): Adjust.
10297 (FOR_EACH_GORI_IMPORT_NAME): New.
10298 (FOR_EACH_GORI_EXPORT_NAME): New.
10299 (class gori_export_iterator): New.
10301 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10303 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
10304 export cache filling to here.
10305 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
10307 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10309 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
10310 (gori_map): Move to gimple-range-gori.h.
10311 (gori_compute::gori_compute): Adjust.
10312 (gori_compute::~gori_compute): Delete.
10313 (gori_compute::compute_operand_range_switch): Adjust.
10314 (gori_compute::compute_operand_range): Adjust.
10315 (gori_compute::compute_logical_operands): Adjust.
10316 (gori_compute::has_edge_range_p ): Adjust.
10317 (gori_compute::set_range_invariant): Delete.
10318 (gori_compute::dump): Adjust.
10319 (gori_compute::outgoing_edge_range_p): Adjust.
10320 * gimple-range-gori.h (class range_def_chain): Relocate here.
10321 (class gori_map): Relocate here.
10322 (class gori_compute): Inherit from gori_map, and adjust.
10324 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
10326 * value-range.cc (range_tests_legacy): Use
10327 build_nonstandard_integer_type instead of int and short.
10329 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
10331 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
10332 when really creating an initialization statement for it.
10334 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
10336 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
10338 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
10340 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
10342 2021-05-25 Martin Liska <mliska@suse.cz>
10344 PR tree-optimization/92860
10346 * optc-save-gen.awk: Remove exceptions.
10348 2021-05-25 Martin Liska <mliska@suse.cz>
10350 * asan.h (sanitize_coverage_p): New function.
10351 * doc/extend.texi: Document it.
10352 * fold-const.c (fold_range_test): Use sanitize_flags_p
10353 instead of flag_sanitize_coverage.
10354 (fold_truth_andor): Likewise.
10355 * sancov.c: Likewise.
10356 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
10357 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
10358 -fsanitize-coverage when inlining.
10360 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
10362 * config/csky/csky-modes.def : Fix copyright.
10364 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
10366 * config/csky/csky-modes.def : Amend copyright.
10367 * config/csky/csky_insn_fpuv2.md : Likewise.
10368 * config/csky/csky_insn_fpuv3.md : Likewise.
10370 2021-05-25 Richard Biener <rguenther@suse.de>
10372 PR middle-end/100727
10373 * calls.c (initialize_argument_information): Explicitely test
10374 for WITH_SIZE_EXPR.
10375 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
10377 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10379 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
10380 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
10381 the signle definition. The signle definition may not work well
10382 at simplify_subreg_regno().
10383 (HARD_FRAME_POINTER_REGNUM): New.
10384 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
10385 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
10386 csky_initial_elimination_offset, csky_expand_prologue,
10387 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
10389 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10391 * config/csky/csky.c (csky_option_override):
10392 Init csky_arch_isa_features[] in advance, so TARGET_DSP
10393 and TARGET_DIV can be set well.
10395 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10397 * config/csky/constraints.md ("l", "h"): Delete.
10398 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
10399 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
10400 * config/csky/csky.c (regno_reg_classm,
10401 csky_secondary_reload, csky_register_move_cost):
10402 Use HILO_REGS instead of LO_REGS and HI_REGS.
10404 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10406 * config/csky/constraints.md ("W"): New constriant for mem operand
10407 with base reg, index register.
10408 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
10409 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
10411 ("Dv"): New constraint for const double value that can be used at
10413 * config/csky/csky-modes.def (HFmode): New mode.
10414 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
10415 to "csky_valid_mem_constraint_operand" and support new constraint
10417 (csky_get_movedouble_length): New.
10418 (fpuv3_output_move): New.
10419 (fpuv3_const_double): New.
10420 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
10421 (decompose_csky_address): Refine.
10422 (csky_print_operand): New "CONST_DOUBLE" operand.
10423 (csky_output_move): Support fpv3 instructions.
10424 (csky_get_movedouble_length): New.
10425 (fpuv3_output_move): New.
10426 (fpuv3_const_double): New.
10427 (csky_emit_compare): Cover float comparsion.
10428 (csky_emit_compare_float): Refine.
10429 (csky_vaild_fpuv2_mem_operand): Rename to
10430 "csky_valid_mem_constraint_operand" and support new constraint "W".
10431 (ck860_rtx_costs): New.
10432 (csky_rtx_costs): Add the cost calculation of CK860.
10433 (regno_reg_class): New vregs for fpuv3.
10434 (csky_dbx_regno): Likewise.
10435 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
10436 (csky_conditional_register_usage): Suporrot fpuv3.
10437 (csky_dwarf_register_span): Suporrot fpuv3.
10438 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
10439 (ck810_legitimate_index_p): Support fp16.
10440 * config/csky/csky.h (TARGET_TLS): ADD CK860.
10441 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
10442 (TARGET_SINGLE_FPU): Support fpuv3.
10443 (TARGET_SUPPORT_FPV3): New.
10444 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
10445 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
10446 REG_CLASS_CONTENTS): Support fpuv3.
10447 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
10448 (csky_movsf_fpv2): Likewise.
10449 (ck801_movsf): Likewise.
10450 (csky_movsf): Likewise.
10452 (csky_movdf_fpv2): Likewise.
10453 (ck801_movdf): Likewise.
10454 (csky_movdf): Likewise.
10455 (movsicc): Refine. Use "comparison_operatior" instead of
10456 "ordered_comparison_operatior".
10457 (addsicc): Likewise.
10458 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
10459 (call_value_internal_vh): New.
10460 * config/csky/csky_cores.def (CK860): New arch and cpu.
10465 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
10466 into emit-patterns and match-patterns, remain the emit-patterns here,
10467 and move the match-patterns to csky_insn_fpuv2.md or
10468 csky_insn_fpuv3.md.
10469 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
10470 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
10472 * config/csky/csky_isa.def (fcr): New.
10477 (CK860): New definition for ck860.
10478 * config/csky/csky_tables.opt (ck860): New processors ck860,
10479 ck860f. And new arch ck860.
10484 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
10485 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
10486 * config/csky/t-csky-elf: Support 860.
10487 * config/csky/t-csky-linux: Likewise.
10488 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
10490 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
10492 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
10493 add generation of logical-add and add-logical fusion pairs.
10494 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
10496 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
10497 logical-add and add-logical fusion by default.
10498 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
10499 -mpower10-fusion-add-logical options.
10500 * config/rs6000/fusion.md: Regenerate file.
10502 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
10504 * value-range.cc (irange::legacy_equal_p): Check type when
10505 comparing VR_VARYING types.
10506 (range_tests_legacy): Test comparing VARYING ranges of different
10509 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
10511 * config/aarch64/aarch64.c (neoversen1_tunings):
10512 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
10514 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
10516 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
10517 extern weak symbols. Limit symbol offsets for non-GOT symbols with
10520 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
10522 * config/arm/neon.md (vec_load_lanesxi<mode>)
10523 (vec_store_lanexoi<mode>): Move ...
10524 * config/arm/vec-common.md: here.
10526 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
10528 * config/arm/neon.md (vec_load_lanesoi<mode>)
10529 (vec_store_lanesoi<mode>): Move ...
10530 * config/arm/vec-common.md: here.
10532 2021-05-24 liuhongt <hongtao.liu@intel.com>
10535 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
10536 stmt with GIMPLE_NOP when lhs doesn't exist.
10538 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
10541 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
10542 New instruction pattern.
10543 (*push<VI_32:mode>2): Ditto.
10544 (push splitter for SSE registers): New splitter.
10546 2021-05-23 Andrew Pinski <apinski@marvell.com>
10548 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
10550 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
10552 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
10553 * config/rs6000/fusion.md: Regenerate file.
10555 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
10557 * config/rs6000/genfusion.pl (gen_addadd): New function.
10558 * config/rs6000/fusion.md: Regenerate file.
10559 * config/rs6000/rs6000-cpus.def: Add
10560 OPTION_MASK_P10_FUSION_2ADD to masks.
10561 * config/rs6000/rs6000.c (rs6000_option_override_internal):
10562 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
10563 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
10565 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10567 PR middle-end/99928
10568 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
10569 * gimplify.c (enum gimplify_omp_var_data): Fix up
10570 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
10571 (omp_lastprivate_for_combined_outer_constructs): If combined target
10572 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
10573 GOVD_MAP | GOVD_SEEN.
10574 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
10575 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
10576 (gimplify_adjust_omp_clauses): For firstprivate clauses with
10577 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
10578 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
10579 let it be replaced by implicit map clause.
10581 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10583 PR middle-end/99928
10584 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
10586 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
10587 (gimplify_omp_for): Likewise.
10589 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10591 PR middle-end/90115
10592 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
10593 'external' in blocks.
10595 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10597 PR middle-end/90115
10598 * flag-types.h (enum openacc_privatization): New.
10599 * params.opt (-param=openacc-privatization): New.
10600 * doc/invoke.texi (openacc-privatization): Document it.
10601 * omp-general.h (get_openacc_privatization_dump_flags): New
10603 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
10604 * omp-offload.c (execute_oacc_device_lower)
10605 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
10606 * target.def (goacc.adjust_private_decl): Add 'location_t'
10608 * doc/tm.texi: Regenerate.
10609 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
10610 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
10611 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
10612 Likewise. Preserve it for...
10613 (nvptx_goacc_expand_var_decl): ... use here.
10615 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10617 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
10620 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10622 PR middle-end/90115
10623 * omp-low.c (oacc_privatization_candidate_p): New function.
10624 (oacc_privatization_scan_clause_chain)
10625 (oacc_privatization_scan_decl_chain): Use it. Also
10626 'gcc_checking_assert' that we're not seeing duplicates.
10628 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10630 PR middle-end/90115
10631 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
10634 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10636 PR middle-end/90115
10637 * omp-offload.c (execute_oacc_device_lower): Explain.
10639 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10641 PR middle-end/90115
10642 * omp-offload.c (execute_oacc_device_lower)
10643 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
10645 * internal-fn.c (expand_UNIQUE): Don't expect
10646 'IFN_UNIQUE_OACC_PRIVATE'.
10648 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10650 PR middle-end/90115
10651 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
10653 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10655 PR middle-end/90115
10656 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
10657 (nvptx_goacc_expand_var_decl): Tighten.
10659 2021-05-21 Julian Brown <julian@codesourcery.com>
10660 Chung-Lin Tang <cltang@codesourcery.com>
10661 Thomas Schwinge <thomas@codesourcery.com>
10663 PR middle-end/90115
10664 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
10665 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
10666 * doc/tm.texi: Regenerate.
10667 * expr.c (expand_expr_real_1): Expand decls using the
10668 expand_var_decl OpenACC hook if defined.
10669 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
10670 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
10671 * omp-low.c (omp_context): Add oacc_privatization_candidates
10673 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
10675 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
10676 private marker's gimple call arguments, and pass it to
10677 lower_oacc_reductions.
10678 (oacc_privatization_scan_clause_chain)
10679 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
10681 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
10682 * omp-offload.c (convert.h): Include.
10683 (oacc_loop_xform_head_tail): Treat private-variable markers like
10684 fork/join when transforming head/tail sequences.
10685 (struct var_decl_rewrite_info): Add struct.
10686 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
10687 (execute_oacc_device_lower): Support rewriting gang-private
10688 variables using target hook, and fix up addr_expr and var_decl
10690 * target.def (adjust_private_decl, expand_var_decl): New hooks.
10691 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
10693 (gcn_goacc_adjust_private_decl): ...this.
10694 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
10696 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
10697 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
10698 definition using gcn_goacc_adjust_gangprivate_decl...
10699 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
10700 gcn_goacc_adjust_private_decl.
10701 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
10702 (gang_private_shared_size): New global variable.
10703 (gang_private_shared_align): Likewise.
10704 (gang_private_shared_sym): Likewise.
10705 (gang_private_shared_hmap): Likewise.
10706 (nvptx_option_override): Initialize these.
10707 (nvptx_file_end): Output gang_private_shared_sym.
10708 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
10710 (nvptx_set_current_function): Clear gang_private_shared_hmap.
10711 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
10712 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
10714 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
10716 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
10718 2021-05-21 Richard Biener <rguenther@suse.de>
10719 H.J. Lu <hjl.tools@gmail.com>
10721 PR middle-end/90773
10722 * expr.c (expand_constructor): Elide expand_constructor if
10723 move by pieces is preferred.
10725 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10727 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
10728 Take a flag and mode value as arguments.
10729 (aarch64_modifies_global_state_p): Likewise.
10730 (aarch64_reads_global_state_p): Likewise.
10731 (aarch64_could_trap_p): Likewise.
10732 (aarch64_get_attributes): Likewise.
10733 (aarch64_init_simd_builtins): Adjust callsite of above.
10734 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
10735 function attributes to apply to builtins.
10736 (aarch64_init_crc32_builtins): Likewise.
10737 (aarch64_init_builtin_rsqrt): Likewise.
10739 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
10741 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
10742 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
10743 (gen_2logical): Use new fusion types.
10744 * config/rs6000/fusion.md: Regenerate.
10746 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
10749 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
10750 Handle V4QI and V2HI modes.
10751 (ix86_expand_sse_movcc): Ditto.
10752 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
10753 New instruction pattern.
10754 (*eq<VI_32:mode>3): Ditto.
10755 (*gt<VI_32:mode>3): Ditto.
10756 (*xop_pcmov_<VI_32:mode>): Ditto.
10757 (mmx_pblendvb32): Ditto.
10758 (mmx_pblendvb64): Rename from mmx_pblendvb.
10759 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
10760 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
10761 (vcond<VI_32:mode><VI_32:mode>): Ditto.
10762 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
10763 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
10765 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10767 PR tree-optimization/94589
10768 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
10769 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
10770 not the same as cmp3) treat <= the same as < and >= the same as >.
10771 Don't require that cond2_phi_edge is true edge, instead take
10772 false/true edges into account based on cmp1/cmp2 comparison kinds.
10774 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
10777 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
10778 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
10779 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
10780 using SMAXMIN_MMXMODEI mode iterator.
10781 (*<smaxmin:code>v4qi3): New insn pattern.
10782 (*<smaxmin:code>v2hi3): Ditto.
10783 (SMAXMIN_VI_32): New mode iterator.
10784 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
10785 (UMAXMIN_MMXMODEI): New mode iterator.
10786 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
10787 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
10788 using UMAXMIN_MMXMODEI mode iterator.
10789 (*<umaxmin:code>v4qi3): New insn pattern.
10790 (*<umaxmin:code>v2hi3): Ditto.
10791 (UMAXMIN_VI_32): New mode iterator.
10792 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
10793 (abs<VI_32:mode>2): New insn pattern.
10794 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
10795 * config/i386/sse.md: ... here.
10797 2021-05-20 Clement Chigot <clement.chigot@atos.net>
10798 David Edelsohn <dje.gcc@gmail.com>
10800 * collect2.c (scan_prog_file): Issue non-fatal warning for
10803 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
10805 * doc/invoke.texi (-Wno-c++11-extensions)
10806 (-Wno-c++14-extensions, -Wno-c++17-extensions)
10807 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
10810 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
10812 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
10813 * config/darwin.c (darwin_override_options): Likewise.
10814 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
10815 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
10816 (DWARF2_FRAME_REG_OUT): Likewise.
10817 * config/mips/mips.c (mips_output_filename): Likewise.
10818 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
10820 (rs6000_dbx_register_number): Likewise.
10821 * dbxout.c: Include flags.h.
10822 * dwarf2cfi.c (cfi_label_required_p): Likewise.
10823 (dwarf2out_do_frame): Likewise.
10824 * except.c: Include flags.h.
10825 * final.c (dwarf2_debug_info_emitted_p): Likewise.
10826 (final_scan_insn_1): Likewise.
10827 * flags.h (dwarf_debuginfo_p): New function declaration.
10828 * opts.c (dwarf_debuginfo_p): New function definition.
10829 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
10830 * toplev.c (process_options): Likewise.
10832 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
10834 * common.opt: Change type to support bitmasks.
10835 * flag-types.h (enum debug_info_type): Rename enumerator constants.
10836 (NO_DEBUG): New bitmask.
10837 (DBX_DEBUG): Likewise.
10838 (DWARF2_DEBUG): Likewise.
10839 (XCOFF_DEBUG): Likewise.
10840 (VMS_DEBUG): Likewise.
10841 (VMS_AND_DWARF2_DEBUG): Likewise.
10842 * flags.h (debug_set_to_format): New function declaration.
10843 (debug_set_count): Likewise.
10844 (debug_set_names): Likewise.
10845 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
10846 (debug_set_to_format): New function definition.
10847 (debug_set_count): Likewise.
10848 (debug_set_names): Likewise.
10849 (set_debug_level): Update access to debug_type_names.
10850 * toplev.c: Likewise.
10852 2021-05-20 Martin Sebor <msebor@redhat.com>
10854 PR middle-end/100684
10855 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
10857 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
10860 * config/i386/i386.md (isa): Remove x64_bmi.
10861 (enabled): Remove x64_bmi.
10862 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
10863 Remove general register alternative.
10864 (*andnot<VI_32:mode>3): Ditto.
10865 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
10866 (*<any_logic:code><VI_32:mode>3): Ditto.
10868 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
10870 * config/arm/arm.c: Include head files tree-vectorizer.h and
10873 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
10876 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
10877 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
10878 (<s>mulv4hi3_highpart): New expander.
10879 (*<s>mulv2hi3_highpart): New insn pattern.
10880 (<s>mulv2hi3_higpart): New expander.
10881 (*<any_shift:insn>v2hi3): New insn pattern.
10882 (<any_shift:insn>v2hi3): New expander.
10883 * config/i386/sse.md (smulhrsv2hi3): New expander.
10884 (*smulhrsv2hi3): New insn pattern.
10886 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
10888 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
10890 * params.opt (vect-inner-loop-cost-factor): New.
10891 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
10892 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
10893 tree-vectorizer.h and its required ones.
10894 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
10895 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
10896 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
10897 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
10898 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
10899 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
10901 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
10902 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
10903 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
10905 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
10906 Torbjörn Svensson <torbjorn.svensson@st.com>
10909 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
10911 2021-05-20 Jakub Jelinek <jakub@redhat.com>
10913 PR middle-end/99928
10914 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
10915 explicit linear clause when combined with target, make it map(tofrom:)
10916 instead of no clause or firstprivate.
10918 2021-05-20 Jakub Jelinek <jakub@redhat.com>
10920 PR tree-optimization/94589
10921 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
10922 of integral conversions.
10924 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
10926 * gimple-range.cc (fur_source::get_operand): New.
10927 (gimple_range_fold): Delete.
10928 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
10929 (fold_using_range::range_of_range_op): Move from gimple_ranger.
10930 (fold_using_range::range_of_address): Ditto.
10931 (fold_using_range::range_of_phi): Ditto.
10932 (fold_using_range::range_of_call): Ditto.
10933 (fold_using_range::range_of_builtin_ubsan_call): Move from
10934 range_of_builtin_ubsan_call.
10935 (fold_using_range::range_of_builtin_call): Move from
10936 range_of_builtin_call.
10937 (gimple_ranger::range_of_builtin_call): Delete.
10938 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
10939 (gimple_ranger::fold_range_internal): New.
10940 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
10941 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
10942 gimple_ranger. Improve ranges of SSA_NAMES when possible.
10943 * gimple-range.h (gimple_ranger): Remove various range_of routines.
10944 (class fur_source): New.
10945 (class fold_using_range): New.
10946 (fur_source::fur_source): New.
10948 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
10949 instead of range_of_builtin_call.
10951 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
10953 * doc/cpp.texi (Common Predefined Macros): Update documentation
10954 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
10956 2021-05-19 Alex Coplan <alex.coplan@arm.com>
10959 * config/arm/arm.md (nonsecure_call_internal): Always ensure
10960 callee's address is in a register.
10962 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
10964 * common/config/riscv/riscv-common.c
10965 (riscv_subset_list::parsing_subset_version): Properly parse the letter
10967 (riscv_subset_list::parse_std_ext,
10968 riscv_subset_list::parse_multiletter_ext): To handle errors generated
10969 in riscv_subset_list::parsing_subset_version.
10971 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
10973 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
10974 type attribute in patterns generating XTN(2).
10976 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
10978 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
10979 Remove as duplicate of...
10980 (aarch64_xtn<mode>): This.
10981 (aarch64_xtn2<mode>_le): Move position in file.
10982 (aarch64_xtn2<mode>_be): Move position in file.
10983 (aarch64_xtn2<mode>): Move position in file.
10984 (vec_pack_trunc_<mode>): Define as an expander.
10986 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
10988 * config/aarch64/aarch64-simd-builtins.def: Split builtin
10989 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
10990 separate scalar and vector generators.
10991 * config/aarch64/aarch64-simd.md
10992 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
10994 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
10995 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
10996 * config/aarch64/iterators.md: Define SD_HSDI iterator.
10998 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
11000 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
11002 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
11004 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
11006 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
11007 Implement as an expand emitting a big/little endian
11008 instruction pattern.
11009 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
11010 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
11012 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
11014 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
11015 Implement as an expand emitting a big/little endian
11016 instruction pattern.
11017 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
11018 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
11019 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
11020 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
11022 2021-05-19 Richard Biener <rguenther@suse.de>
11024 PR middle-end/100672
11025 * fold-const.c (fold_negate_expr_1): Use element_precision.
11026 (negate_expr_p): Likewise.
11028 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
11030 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
11031 (pred_load): New int attribute.
11032 * config/aarch64/aarch64-sve.md
11033 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
11034 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
11035 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
11036 code_for_aarch64_load.
11038 2021-05-19 Richard Biener <rguenther@suse.de>
11040 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
11041 sure TARGET_MEM_REF bases are expanded as memory.
11042 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
11043 Do not mark TARGET_MEM_REF bases addressable.
11044 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
11045 TARGET_MEM_REF bases as never rewritable.
11046 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
11047 walk TARGET_MEM_REF bases as address-takens.
11048 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
11050 2021-05-19 Richard Biener <rguenther@suse.de>
11052 * builtins.c (get_object_alignment_1): Strip outer
11054 * tree-dfa.c (get_ref_base_and_extent): Handle outer
11055 WITH_SIZE_EXPR for size processing and process the
11057 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
11058 outer WITH_SIZE_EXPR.
11059 (ao_ref_base_alias_ptr_type): Likewise.
11060 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
11061 and handle that accordingly, stripping it for the
11062 core alias workers.
11063 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
11064 looking through it instead of returning NULL.
11066 2021-05-19 Jakub Jelinek <jakub@redhat.com>
11068 PR middle-end/100576
11069 * builtins.c (check_read_access): Convert bound to size_type_node if
11072 2021-05-19 Richard Biener <rguenther@suse.de>
11074 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
11075 (verify_types_in_gimple_reference): ... here. Sanitize.
11076 (verify_gimple_call): Verify references in LHS and arguments.
11077 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
11079 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
11081 * config/i386/i386.h (VALID_INT_MODE_P):
11082 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
11083 * config/i386/i386.md (isa): Add x64_bmi.
11084 (enabled): Handle x64_bmi.
11085 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
11086 Add alternative using 64bit general registers.
11087 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
11089 2021-05-19 Jakub Jelinek <jakub@redhat.com>
11091 PR middle-end/99928
11092 * tree.h (OMP_MASTER_COMBINED): Define.
11093 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
11094 handling for outer combined/composite constructs to a loop.
11095 Handle lastprivate on combined target.
11096 (gimplify_expr): Formatting fix.
11098 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
11100 * passes.def: Add sink_code pass before store_merging.
11101 * tree-ssa-sink.c (pass_sink_code:clone): New.
11103 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
11105 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
11106 rs6000_special_adjust_field_align_p.
11107 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
11108 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
11109 Remove ABI warning.
11110 (rs6000_function_arg): Likewise.
11111 * config/rs6000/rs6000-protos.h
11112 (rs6000_special_adjust_field_align_p): Remove prototype.
11113 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
11115 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
11116 rs6000_special_adjust_field_align_p.
11118 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
11121 * config/i386/i386.h (VALID_SSE2_REG_MODE):
11122 Add V4QI and V2HI modes.
11123 (VALID_INT_MODE_P): Ditto.
11124 * config/i386/mmx.md (VI_32): New mode iterator.
11125 (mmxvecsize): Handle V4QI and V2HI.
11127 (mov<VI_32:mode>): New expander.
11128 (*mov<mode>_internal): New insn pattern.
11129 (movmisalign<VI_32:mode>): New expander.
11130 (neg<VI_32:mode>): New expander.
11131 (<plusminus:insn><VI_32:mode>3): New expander.
11132 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
11133 (mulv2hi3): New expander.
11134 (*mulv2hi3): New insn pattern.
11135 (one_cmpl<VI_32:mode>2): New expander.
11136 (*andnot<VI_32:mode>3): New insn pattern.
11137 (<any_logic:code><VI_32:mode>3): New expander.
11138 (*<any_logic:code><VI_32:mode>3): New insn pattern.
11140 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
11142 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
11143 Fix a mode mismatch with operand 1.
11145 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
11148 * config/i386/i386-expand.c (split_double_mode): Return
11149 temporary register when simplify_gen_subreg fails with
11150 the high half od the paradoxical subreg.
11152 2021-05-18 Richard Biener <rguenther@suse.de>
11154 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
11155 and honor it when expanding.
11156 (expand_used_vars_for_block): Pass through forced_stack_var.
11157 (expand_used_vars): Likewise.
11158 (discover_nonconstant_array_refs_r): Set bits in
11159 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
11160 (avoid_type_punning_on_regs): Likewise.
11161 (discover_nonconstant_array_refs): Likewise.
11162 (pass_expand::execute): Create and pass down forced_stack_var
11163 bitmap. For parameters and returns temporarily set
11164 TREE_ADDRESSABLE when expand_function_start.
11166 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
11168 * doc/sourcebuild.texi: Document 'dg-note'.
11170 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
11173 * configure: Regenerate.
11174 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
11176 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
11178 * gimple.h (is_gimple_omp_oacc): Tighten.
11179 * omp-low.c (check_omp_nesting_restrictions): Adjust.
11181 2021-05-18 Richard Biener <rguenther@suse.de>
11183 * tree-ssa-operands.c (mark_address_taken): Simplify.
11185 2021-05-18 Martin Liska <mliska@suse.cz>
11187 * config/gcn/mkoffload.c (STR): Redefine.
11188 * config/i386/intelmic-mkoffload.c (STR): Likewise.
11189 * config/nvptx/mkoffload.c (STR): Likewise.
11191 2021-05-18 Martin Liska <mliska@suse.cz>
11193 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
11194 Use startswith function instead of strncmp.
11195 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
11196 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
11197 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
11198 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
11199 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
11200 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
11201 * config/arm/arm.c (arm_file_start): Likewise.
11202 (arm_valid_target_attribute_rec): Likewise.
11203 (thumb1_md_asm_adjust): Likewise.
11204 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
11205 * config/avr/avr.c (STR_PREFIX_P): Likewise.
11206 (avr_set_current_function): Likewise.
11207 (avr_handle_addr_attribute): Likewise.
11208 (avr_asm_output_aligned_decl_common): Likewise.
11209 (avr_asm_named_section): Likewise.
11210 (avr_section_type_flags): Likewise.
11211 (avr_asm_select_section): Likewise.
11212 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
11213 (c6x_section_type_flags): Likewise.
11214 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
11215 (darwin_objc_declare_unresolved_class_reference): Likewise.
11216 (darwin_objc_declare_class_definition): Likewise.
11217 * config/darwin.c (indirect_data): Likewise.
11218 (darwin_encode_section_info): Likewise.
11219 (darwin_objc2_section): Likewise.
11220 (darwin_objc1_section): Likewise.
11221 (machopic_select_section): Likewise.
11222 (darwin_globalize_label): Likewise.
11223 (darwin_label_is_anonymous_local_objc_name): Likewise.
11224 (darwin_asm_named_section): Likewise.
11225 (darwin_asm_output_dwarf_offset): Likewise.
11226 * config/frv/frv.c (frv_string_begins_with): Likewise.
11227 (frv_in_small_data_p): Likewise.
11228 * config/gcn/mkoffload.c (STR): Likewise.
11230 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
11231 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
11232 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
11233 (ix86_md_asm_adjust): Likewise.
11234 * config/i386/intelmic-mkoffload.c (STR): Likewise.
11235 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
11236 (i386_pe_file_end): Likewise.
11237 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
11238 (ia64_section_type_flags): Likewise.
11239 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
11240 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
11241 (mips16_stub_function_p): Likewise.
11242 (mips_function_rodata_section): Likewise.
11243 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
11244 (msp430_function_section): Likewise.
11245 (msp430_section_type_flags): Likewise.
11246 (msp430_expand_helper): Likewise.
11247 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
11248 (nios2_valid_target_attribute_rec): Likewise.
11249 * config/nvptx/mkoffload.c (process): Likewise.
11251 * config/pa/som.h: Likewise.
11252 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
11253 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
11254 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
11255 (rs6000_inner_target_options): Likewise.
11256 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
11257 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
11258 * config/vax/vax.c (vax_output_int_move): Likewise.
11259 * config/vms/vms-ld.c (startswith): Likewise.
11260 (process_args): Likewise.
11262 * config/vms/vms.c: Likewise.
11264 2021-05-18 Jakub Jelinek <jakub@redhat.com>
11266 PR rtl-optimization/100590
11267 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
11268 they are NONJUMP_INSN_P.
11270 2021-05-18 Jakub Jelinek <jakub@redhat.com>
11273 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
11274 DECL_ASSEMBLER_NAME on the fn_decl.
11276 2021-05-18 Jakub Jelinek <jakub@redhat.com>
11278 PR tree-optimization/94589
11279 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
11280 phi result used in (res & ~1) == 0 comparison as res >= 0 as
11281 res == 2 would be UB with -ffinite-math-only.
11283 2021-05-18 Martin Liska <mliska@suse.cz>
11285 * Makefile.in: genversion.o should depend on DATESTAMP.
11287 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
11289 * config/arc/simdext.md (negv2si2): Remove round bracket.
11291 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
11293 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
11294 _Bool as macro expanding to _Bool.
11296 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
11299 * tree.c (build_reference_type_for_mode)
11300 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
11302 (build_reference_type, build_pointer_type): Invoke
11303 build_*_type_for_mode with VOIDmode.
11305 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
11307 PR tree-optimization/100512
11308 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
11309 and non-zero pointer ranges as invariant.
11310 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
11311 processing from here.
11313 2021-05-17 Tom de Vries <tdevries@suse.de>
11316 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
11317 * config/nvptx/nvptx.c (nvptx_output_barrier)
11318 (nvptx_output_atomic_insn): New function.
11319 (nvptx_print_operand): Add support for 'B'.
11320 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
11323 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
11325 PR tree-optimization/100349
11326 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
11329 2021-05-17 Tamar Christina <tamar.christina@arm.com>
11331 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
11332 (host_detect_local_cpu): Use it.
11334 2021-05-17 Martin Liska <mliska@suse.cz>
11336 * doc/invoke.texi: Add 2 missing dots.
11338 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
11340 PR bootstrap/100552
11341 * configure.ac: Replace pattern substitution with call to sed.
11342 * configure: Regenerate.
11344 2021-05-17 Richard Biener <rguenther@suse.de>
11346 PR middle-end/100582
11347 * tree.c (array_at_struct_end_p): Get to the base of the
11348 reference before looking for the underlying decl.
11350 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
11352 * genoutput.c (validate_insn_alternatives) Make "wrong number of
11353 alternatives" message more specific, and remove assumption on where
11356 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
11358 * config/arm/iterators.md (V16): New iterator.
11359 (VH_cvtto): New iterator.
11360 (v_cmp_result): Added V4HF and V8HF support.
11361 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
11362 (vcond<mode><mode>): Likewise.
11363 (vcond_mask_<mode><v_cmp_result>): Likewise.
11364 (vcond<VH_cvtto><mode>): New expander.
11366 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
11368 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
11370 * config/arm/arm.c (arm_expand_vector_compare): Add support for
11372 (arm_expand_vcond): Likewise.
11373 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
11374 VCMPEQQ_N_S, VCMPNEQ_N_S.
11375 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
11376 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
11377 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
11378 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
11379 (@mve_vpselq_<supf><mode>): Likewise.
11380 (@mve_vpselq_f<mode>"): Likewise.
11381 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
11382 and move to vec-common.md.
11383 (vec_cmpu<mode><mode>): Likewise.
11384 (vcond<mode><mode>): Likewise.
11385 (vcond<V_cvtto><mode>): Likewise.
11386 (vcondu<mode><v_cmp_result>): Likewise.
11387 (vcond_mask_<mode><v_cmp_result>): Likewise.
11388 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
11389 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
11390 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
11391 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
11392 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
11393 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
11395 (vec_cmpu<mode><mode>): Likewise.
11396 (vcond<mode><mode>): Likewise.
11397 (vcond<V_cvtto><mode>): Likewise.
11398 (vcondu<mode><v_cmp_result>): Likewise.
11399 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
11402 2021-05-17 liuhongt <hongtao.liu@intel.com>
11405 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
11406 gsi_insert_seq_before instead.
11408 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
11410 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
11411 (arm_sat_ok): ...this.
11413 2021-05-17 Martin Liska <mliska@suse.cz>
11415 * lto-wrapper.c (merge_flto_options): Factor out a new function.
11416 (merge_and_complain): Use it.
11417 (run_gcc): Merge also linker command line -flto=foo argument
11420 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
11422 * config/arm/arm.h (CPP_SPEC): Remove error message about
11423 -mlittle-endian/-mbig-endian conflict.
11425 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11427 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
11428 __ROP_PROTECT__ if -mrop-protect is selected.
11430 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11432 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
11433 rop_hash_save_offset and rop_hash_size.
11434 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
11435 rop_hash_size and rop_hash_save_offset.
11436 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
11437 (rs6000_emit_prologue): Emit hashst[p] in prologue.
11438 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
11439 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
11441 (hashst): New define_insn.
11442 (hashchk): Likewise.
11444 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11446 * config/rs6000/rs6000.c (rs6000_option_override_internal):
11447 Disable shrink wrap when inserting ROP-protect instructions.
11448 * config/rs6000/rs6000.opt (mrop-protect): New option.
11449 (mprivileged): Likewise.
11450 * doc/invoke.texi: Document mrop-protect and mprivileged.
11452 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
11454 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
11457 2021-05-15 Martin Jambor <mjambor@suse.cz>
11460 2021-05-13 Martin Jambor <mjambor@suse.cz>
11462 PR tree-optimization/100453
11463 * tree-sra.c (sra_modify_assign): All const base accesses do not
11464 need refreshing, not just those from decl_pool.
11465 (sra_modify_assign): Do not refresh into a const base decl.
11467 2021-05-15 Jakub Jelinek <jakub@redhat.com>
11469 PR rtl-optimization/100342
11470 * regcprop.c (copy_value): When copying a source reg in a wider
11471 mode than it has recorded for the value, adjust recorded destination
11472 mode too or punt if !REG_CAN_CHANGE_MODE_P.
11474 2021-05-14 Jason Merrill <jason@redhat.com>
11476 * intl.h: Add comments.
11478 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11480 * config/aarch64/aarch64-simd.md
11481 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
11482 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
11483 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
11484 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
11485 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
11486 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
11487 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
11488 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
11489 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
11491 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
11494 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
11495 boolean logic equivalent.
11496 (vtst_s16): Likewise.
11497 (vtst_s32): Likewise.
11498 (vtst_u8): Likewise.
11499 (vtst_u16): Likewise.
11500 (vtst_u32): Likewise.
11501 (vtst_p8): Likewise.
11502 (vtst_p16): Likewise.
11503 (vtstq_s8): Likewise.
11504 (vtstq_s16): Likewise.
11505 (vtstq_s32): Likewise.
11506 (vtstq_u8): Likewise.
11507 (vtstq_u16): Likewise.
11508 (vtstq_u32): Likewise.
11509 (vtstq_p8): Likewise.
11510 (vtstq_p16): Likewise.
11511 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
11512 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
11514 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11516 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
11517 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
11518 (aarch64_sqdmlsl2<mode>): Delete.
11519 (aarch64_sqdmlal2_lane<mode>): Merge this...
11520 (aarch64_sqdmlsl2_lane<mode>): ... And this...
11521 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
11522 (aarch64_sqdmlal2_laneq<mode>): Merge this...
11523 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
11524 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
11525 (aarch64_sqdmlal2_n<mode>): Merge this...
11526 (aarch64_sqdmlsl2_n<mode>): ... And this...
11527 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
11529 2021-05-13 Martin Sebor <msebor@redhat.com>
11531 PR middle-end/100574
11532 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
11533 all null arguments.
11535 2021-05-13 Martin Sebor <msebor@redhat.com>
11537 PR tree-optimization/93100
11538 PR middle-end/98583
11539 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
11540 don't modify referenced objects.
11542 2021-05-13 Martin Jambor <mjambor@suse.cz>
11544 PR tree-optimization/100453
11545 * tree-sra.c (sra_modify_assign): All const base accesses do not
11546 need refreshing, not just those from decl_pool.
11547 (sra_modify_assign): Do not refresh into a const base decl.
11549 2021-05-13 Martin Liska <mliska@suse.cz>
11551 * tree-ssa-dom.c: Remove m_simplifier.
11553 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
11556 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
11557 canonicalize DImode inequality comparisons against the
11558 maximum integral value.
11560 2021-05-13 Jakub Jelinek <jakub@redhat.com>
11562 PR tree-optimization/98856
11563 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
11564 Expect V2DI and V4DI arithmetic right shifts to be emulated.
11565 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
11567 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
11568 expand_vec_perm_2perm_pblendv): New functions.
11569 (ix86_expand_vec_perm_const_1): Use them.
11570 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
11571 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
11572 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
11573 (ashrv4di3): New define_expand.
11574 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
11575 and !TARGET_AVX512VL expansion.
11577 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
11580 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
11581 sizes < 16 to a register when constructing vpcmov pattern.
11582 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
11584 2021-05-13 Martin Liska <mliska@suse.cz>
11586 * gcov-io.c (gcov_write_block): Remove.
11587 (gcov_write_words): Likewise.
11588 (gcov_read_words): Re-implement using gcov_read_bytes.
11589 (gcov_allocate): Remove.
11590 (GCOV_BLOCK_SIZE): Likewise.
11591 (struct gcov_var): Remove most of the fields.
11592 (gcov_position): Implement with ftell.
11593 (gcov_rewrite): Remove setting of start and offset fields.
11594 (from_file): Re-format.
11595 (gcov_open): Remove setbuf call. It should not be needed.
11596 (gcov_close): Remove internal buffer handling.
11597 (gcov_magic): Use __builtin_bswap32.
11598 (gcov_write_counter): Use directly gcov_write_unsigned.
11599 (gcov_write_string): Use direct fwrite and do not round
11601 (gcov_seek): Use directly fseek.
11602 (gcov_write_tag): Use gcov_write_unsigned directly.
11603 (gcov_write_length): Likewise.
11604 (gcov_write_tag_length): Likewise.
11605 (gcov_read_bytes): Use directly fread.
11606 (gcov_read_unsigned): Use gcov_read_words.
11607 (gcov_read_counter): Likewise.
11608 (gcov_read_string): Use gcov_read_bytes.
11609 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
11610 that size is not in bytes, but words (4B).
11611 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
11612 (GCOV_TAG_ARCS_LENGTH): Likewise.
11613 (GCOV_TAG_ARCS_NUM): Likewise.
11614 (GCOV_TAG_COUNTER_LENGTH): Likewise.
11615 (GCOV_TAG_COUNTER_NUM): Likewise.
11616 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
11618 2021-05-13 liuhongt <hongtao.liu@intel.com>
11621 * config/i386/sse.md (ssedoublevecmode): Add attribute for
11622 V64QI/V32HI/V16SI/V4DI.
11623 (ssehalfvecmode): Add attribute for V2DI/V2DF.
11624 (*vec_concatv4si_0): Extend to VI124_128.
11625 (*vec_concat<mode>_0): New pre-reload splitter.
11626 * config/i386/predicates.md (movq_parallel): New predicate.
11628 2021-05-13 Alexandre Oliva <oliva@adacore.com>
11630 * targhooks.c (default_zero_call_used_regs): Retry using
11631 successfully-zeroed registers as sources.
11633 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
11635 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
11637 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
11640 * gimple-range.cc (range_of_builtin_call): Skip out on
11641 processing __builtin_clz when varying.
11643 2021-05-12 Tom de Vries <tdevries@suse.de>
11646 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
11647 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
11648 to ptx_version_option.
11649 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
11650 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
11651 (define_insn "nvptx_vote_ballot"): Use sync variant for
11653 * config/nvptx/nvptx.opt (ptx_version): Add enum.
11654 (mptx): Add option.
11655 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
11657 2021-05-12 Richard Biener <rguenther@suse.de>
11659 PR tree-optimization/100566
11660 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
11661 allow_back for all edge queries.
11663 2021-05-12 liuhongt <hongtao.liu@intel.com>
11666 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
11667 splitters for pblendvb of NOT mask register.
11669 2021-05-12 Richard Biener <rguenther@suse.de>
11671 PR tree-optimization/100519
11672 * tree-ssa-reassoc.c (can_associate_p): Split into...
11673 (can_associate_op_p): ... this
11674 (can_associate_type_p): ... and this.
11675 (is_reassociable_op): Call can_associate_op_p.
11676 (break_up_subtract_bb): Call the appropriate predicates.
11677 (reassociate_bb): Likewise.
11679 2021-05-12 Martin Liska <mliska@suse.cz>
11681 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
11682 (run_gcc): Use -flto argument detection for merged
11685 2021-05-12 Martin Liska <mliska@suse.cz>
11687 * lto-wrapper.c (print_lto_docs_link): New function.
11688 (run_gcc): Print warning about missing job server detection
11689 after we know NR of partitions. Do the same for -flto{,=1}.
11690 * opts.c (get_option_html_page): Support -flto option.
11692 2021-05-12 Martin Liska <mliska@suse.cz>
11694 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
11696 (append_option): Remove.
11697 (find_option): Rework to use the vector type.
11698 (remove_option): Remove.
11699 (merge_and_complain): Use vectors for cl_decoded_option data
11701 (append_compiler_options): Likewise.
11702 (append_diag_options): Likewise.
11703 (append_linker_options): Likewise.
11704 (append_offload_options): Likewise.
11705 (compile_offload_image): Likewise.
11706 (compile_images_for_offload_targets): Likewise.
11707 (find_and_merge_options): Likewise.
11708 (run_gcc): Likewise.
11710 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
11713 * dwarf2out.c (dwarf2out_finish): Set
11714 have_multiple_function_sections with multi-range text_section.
11716 2021-05-12 Martin Liska <mliska@suse.cz>
11718 PR bootstrap/100560
11719 * Makefile.in: Remove version.h from linker command line.
11721 2021-05-12 Richard Biener <rguenther@suse.de>
11723 PR middle-end/100547
11724 * rtl.h (rtvec_alloc): Make argument size_t.
11725 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
11727 2021-05-12 Jakub Jelinek <jakub@redhat.com>
11729 PR middle-end/100508
11730 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
11731 type, don't reuse DECL_RTL if it has different mode, instead force
11732 creation of a new DEBUG_EXPR.
11734 2021-05-12 Jakub Jelinek <jakub@redhat.com>
11735 Marc Glisse <marc.glisse@inria.fr>
11737 PR tree-optimization/94589
11738 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
11739 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
11741 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
11744 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
11745 * config/i386/mmx.md (MMXMODE124): New mode iterator.
11747 (mmxintvecmode): New mode attribute.
11748 (mmxintvecmodelower): Ditto.
11749 (*mmx_maskcmpv2sf3_comm): New insn pattern.
11750 (*mmx_maskcmpv2sf3): Ditto.
11751 (vec_cmpv2sfv2si): New expander.
11752 (vcond<V2FI:mode>v2si): Ditto.
11753 (mmx_vlendvps): New insn pattern.
11754 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
11755 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
11756 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
11758 2021-05-11 Martin Sebor <msebor@redhat.com>
11760 PR middle-end/21433
11761 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
11763 2021-05-11 Richard Biener <rguenther@suse.de>
11765 * gimple-fold.c (gimple_fold_call): Do not call
11766 maybe_fold_reference on call arguments or the static chain.
11767 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
11770 2021-05-11 Martin Liska <mliska@suse.cz>
11772 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
11773 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
11774 (DEF_HSAIL_SAT_BUILTIN): Likewise.
11775 (DEF_HSAIL_INTR_BUILTIN): Likewise.
11776 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
11777 * doc/frontends.texi: Remove BRIG.
11778 * doc/install.texi: Likewise.
11779 * doc/invoke.texi: Likewise.
11780 * doc/standards.texi: Likewise.
11781 * brig-builtins.def: Removed.
11782 * brig/ChangeLog: Removed.
11783 * brig/Make-lang.in: Removed.
11784 * brig/brig-builtins.h: Removed.
11785 * brig/brig-c.h: Removed.
11786 * brig/brig-lang.c: Removed.
11787 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
11788 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
11789 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
11790 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
11791 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
11792 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
11793 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
11794 * brig/brigfrontend/brig-comment-handler.cc: Removed.
11795 * brig/brigfrontend/brig-control-handler.cc: Removed.
11796 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
11797 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
11798 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
11799 * brig/brigfrontend/brig-function-handler.cc: Removed.
11800 * brig/brigfrontend/brig-function.cc: Removed.
11801 * brig/brigfrontend/brig-function.h: Removed.
11802 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
11803 * brig/brigfrontend/brig-label-handler.cc: Removed.
11804 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
11805 * brig/brigfrontend/brig-machine.c: Removed.
11806 * brig/brigfrontend/brig-machine.h: Removed.
11807 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
11808 * brig/brigfrontend/brig-module-handler.cc: Removed.
11809 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
11810 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
11811 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
11812 * brig/brigfrontend/brig-to-generic.cc: Removed.
11813 * brig/brigfrontend/brig-to-generic.h: Removed.
11814 * brig/brigfrontend/brig-util.cc: Removed.
11815 * brig/brigfrontend/brig-util.h: Removed.
11816 * brig/brigfrontend/brig-variable-handler.cc: Removed.
11817 * brig/brigfrontend/hsa-brig-format.h: Removed.
11818 * brig/brigfrontend/phsa.h: Removed.
11819 * brig/brigspec.c: Removed.
11820 * brig/config-lang.in: Removed.
11821 * brig/gccbrig.texi: Removed.
11822 * brig/lang-specs.h: Removed.
11823 * brig/lang.opt: Removed.
11825 2021-05-11 Richard Biener <rguenther@suse.de>
11828 * ipa-param-manipulation.c
11829 (ipa_param_body_adjustments::modify_call_stmt): Avoid
11830 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
11831 via gimple_call_lhs_ptr.
11833 2021-05-11 Alex Coplan <alex.coplan@arm.com>
11836 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
11837 Avoid emitting CFA adjusts on the sp if we have the fp.
11839 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
11841 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
11842 (VMULD): New iterator.
11843 (VCOND): Handle V4HF and V8HF.
11844 (VCONQ): Fix entry for V2SF.
11845 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
11846 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
11847 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
11848 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
11849 Use a 128-bit vector mode for the indexed operand. Use stype for
11850 the scheduling type.
11852 2021-05-11 Richard Biener <rguenther@suse.de>
11854 * gimple-fold.c (maybe_fold_reference): Only return
11855 is_gimple_min_invariant values.
11857 2021-05-11 Richard Biener <rguenther@suse.de>
11859 PR middle-end/100509
11860 * gimple-fold.c (fold_gimple_assign): Only call
11861 get_symbol_constant_value on register type symbols.
11863 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
11864 Joe Ramsay <joe.ramsay@arm.com>
11867 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
11868 (__arm_vcmpneq): Remove duplicate definition.
11869 (__arm_vstrwq_scatter_offset_p): Likewise.
11870 (__arm_vmaxq_x): Likewise.
11871 (__arm_vmlsdavaq): Likewise.
11872 (__arm_vmlsdavaxq): Likewise.
11873 (__arm_vmlsdavq_p): Likewise.
11874 (__arm_vmlsdavxq_p): Likewise.
11875 (__arm_vrmlaldavhaq): Likewise.
11876 (__arm_vstrbq_p): Likewise.
11877 (__arm_vstrbq_scatter_offset): Likewise.
11878 (__arm_vstrbq_scatter_offset_p): Likewise.
11879 (__arm_vstrdq_scatter_offset): Likewise.
11880 (__arm_vstrdq_scatter_offset_p): Likewise.
11881 (__arm_vstrdq_scatter_shifted_offset): Likewise.
11882 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
11884 2021-05-11 Jakub Jelinek <jakub@redhat.com>
11886 PR middle-end/100471
11887 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
11888 is 0, bypass the reduction loop including
11889 GOMP_taskgroup_reduction_unregister call.
11891 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
11893 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
11894 costing_for_scalar.
11895 (rs6000_density_test): Early return if costing_for_scalar is true.
11896 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
11898 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
11900 * doc/tm.texi: Regenerated.
11901 * target.def (init_cost): Add new parameter costing_for_scalar.
11902 * targhooks.c (default_init_cost): Adjust for new parameter.
11903 * targhooks.h (default_init_cost): Likewise.
11904 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
11905 (vect_compute_single_scalar_iteration_cost): Likewise.
11906 (vect_analyze_loop_2): Likewise.
11907 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
11908 (vect_bb_vectorization_profitable_p): Likewise.
11909 * tree-vectorizer.h (init_cost): Likewise.
11910 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
11911 * config/i386/i386.c (ix86_init_cost): Likewise.
11912 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
11914 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
11916 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
11917 vect_nonmem and moved into...
11918 (struct rs6000_cost_data): ...here.
11919 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
11920 (rs6000_add_stmt_cost): Likewise.
11921 (rs6000_finish_cost): Likewise.
11923 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
11925 * range-op.cc (get_bool_state): Adjust head comment.
11926 (operator_not_equal::op1_range): Fix comment.
11927 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
11929 2021-05-10 Martin Sebor <msebor@redhat.com>
11931 PR middle-end/100425
11932 PR middle-end/100510
11933 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
11934 (pass_walloca::xlimit_certain_p): ...to this.
11935 (pass_walloca::gate): Execute for any kind of handled warning.
11936 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
11937 warnings when xlimit_certain_p is set.
11939 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
11941 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
11942 Return ALTIVEC_REGS if that is best_class.
11943 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
11945 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
11947 * config/arm/arm.h (CPP_SPEC): Remove error message about
11950 2021-05-10 Martin Jambor <mjambor@suse.cz>
11952 * ipa-prop.h (IPA_NODE_REF): Removed.
11953 (IPA_NODE_REF_GET_CREATE): Likewise.
11954 (IPA_EDGE_REF): Likewise.
11955 (IPA_EDGE_REF_GET_CREATE): Likewise.
11956 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
11957 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
11958 use of ipa_node_params_sum.
11959 (ipcp_versionable_function_p): Likewise.
11960 (push_node_to_stack): Likewise.
11961 (pop_node_from_stack): Likewise.
11962 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
11963 direct use of ipa_node_params_sum.
11964 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
11965 ipa_node_params_sum.
11966 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
11968 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
11969 use of ipa_node_params_sum.
11970 (self_recursively_generated_p): Likewise.
11971 (propagate_scalar_across_jump_function): Likewise.
11972 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
11973 direct use of ipa_edge_args_sum, moved the lookup after the early
11974 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
11975 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
11976 direct uses of ipa_node_params_sum.
11977 (propagate_vr_across_jump_function): Likewise.
11978 (propagate_aggregate_lattice): Likewise.
11979 (propagate_aggs_across_jump_function): Likewise.
11980 (propagate_constants_across_call): Likewise, also replaced
11981 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
11982 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
11983 of ipa_node_params_sum.
11984 (estimate_local_effects): Likewise.
11985 (add_all_node_vals_to_toposort): Likewise.
11986 (propagate_constants_topo): Likewise.
11987 (ipcp_propagate_stage): Likewise.
11988 (ipcp_discover_new_direct_edges): Likewise.
11989 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
11990 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
11991 (get_info_about_necessary_edges): Likewise.
11992 (want_remove_some_param_p): Likewise.
11993 (create_specialized_node): Likewise.
11994 (self_recursive_pass_through_p): Likewise.
11995 (self_recursive_agg_pass_through_p): Likewise.
11996 (find_more_scalar_values_for_callers_subset): Likewise and also
11997 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
11998 case replacing two of those with a single query.
11999 (find_more_contexts_for_caller_subset): Likewise for the
12000 ipa_polymorphic_call_context overload.
12001 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
12002 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
12003 ipa_node_params_sum.
12004 (find_aggregate_values_for_callers_subset): Likewise, also reusing
12005 results of ipa_edge_args_sum->get.
12006 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
12007 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
12008 direct use of ipa_edge_args_sum.
12009 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
12010 summary query after the early exit and reused the result later.
12011 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
12012 ipa_node_params_sum.
12013 (decide_whether_version_node): Likewise. Removed re-querying for
12014 summaries after cloning.
12015 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
12016 ipa_node_params_sum.
12017 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
12019 (identify_dead_nodes): Likewise.
12020 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
12021 ipa_node_params_sum.
12022 (ipcp_store_vr_results): Likewise.
12023 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
12024 (ipa_fn_summary_t::duplicate): Likewise.
12025 (analyze_function_body): Likewise.
12026 (estimate_calls_size_and_time): Likewise.
12027 (ipa_cached_call_context::duplicate_from): Likewise.
12028 (ipa_call_context::equal_to): Likewise.
12029 (remap_edge_params): Likewise.
12030 (ipa_merge_fn_summary_after_inlining): Likewise.
12031 (inline_read_section): Likewise.
12032 * ipa-icf.c (sem_function::param_used_p): Likewise.
12033 * ipa-modref.c (compute_parm_map): Likewise.
12034 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
12036 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
12037 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
12039 * ipa-profile.c (check_argument_count): Likewise.
12040 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
12041 with a direct use of ipa_node_params_sum.
12042 (ipa_initialize_node_params): Likewise.
12043 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
12044 direct use of ipa_edge_args_sum and reused the query result.
12045 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
12046 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
12047 direct use of ipa_edge_args_sum.
12048 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
12049 ipa_node_params_sum and reused the result of the query.
12050 (ipa_analyze_node): Likewise.
12051 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
12052 of ipa_node_params_sum.
12053 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
12054 direct uses of ipa_edge_args_sum.
12055 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
12056 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
12057 direct use of ipa_edge_args_sum. Removed superficial re-querying the
12059 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
12060 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
12062 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
12063 direct use of ipa_edge_args_sum.
12064 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
12065 use of ipa_node_params_sum.
12066 (ipa_print_node_params): Likewise.
12067 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
12068 direct uses of ipa_edge_args_sum.
12069 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
12071 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
12072 ipa_node_params_sum.
12073 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
12074 scopes where it is used.
12076 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
12078 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
12079 <case E_V2SImode>: Force op_true to register.
12081 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12083 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
12084 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
12085 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
12087 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
12088 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
12089 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
12090 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
12091 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
12092 (mve_vcmpneq_n_f<mode>): Remove.
12093 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
12094 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
12095 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
12097 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12099 * config/arm/iterators.md (MVE_COMPARISONS): New.
12101 (mve_cmp_type): New.
12102 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
12104 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
12105 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
12106 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
12107 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
12108 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
12109 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
12110 (mve_vcmpneq_n_<mode>): Remove.
12112 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12114 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
12115 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
12116 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
12119 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12121 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
12122 (vcmpneq_n_u): Likewise.
12123 (vcmpeqq_u,): Likewise.
12124 (vcmpeqq_n_u): Likewise.
12125 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
12126 VCMPEQQ_N_U and VCMPNEQ_N_U.
12127 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
12128 (mve_vcmpeqq_n): Likewise.
12129 (mve_vcmpeqq): Likewise.
12130 (mve_vcmpneq_n): Likewise.
12132 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12134 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
12135 the 's' version of the builtin.
12137 2021-05-10 Richard Biener <rguenther@suse.de>
12139 PR tree-optimization/100492
12140 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
12141 Find nothing when the loop contains an irreducible region.
12143 2021-05-10 Richard Biener <rguenther@suse.de>
12145 PR middle-end/100464
12147 * gimple-fold.c (canonicalize_constructor_val): Do not set
12150 2021-05-10 Richard Biener <rguenther@suse.de>
12152 PR tree-optimization/100434
12153 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
12155 (dse_optimize_stmt): Handle call LHS by dropping the
12156 LHS or the whole call if it doesn't have other
12158 (pass_dse::execute): Adjust.
12160 2021-05-10 Martin Liska <mliska@suse.cz>
12162 * Makefile.in: Add missing genversion rule.
12164 2021-05-10 Alex Coplan <alex.coplan@arm.com>
12167 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
12168 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
12170 2021-05-10 Martin Liska <mliska@suse.cz>
12172 * builtins.c (is_builtin_name): Use startswith
12173 function instead of strncmp.
12174 * collect2.c (main): Likewise.
12175 (has_lto_section): Likewise.
12176 (scan_libraries): Likewise.
12177 * coverage.c (coverage_checksum_string): Likewise.
12178 (coverage_init): Likewise.
12179 * dwarf2out.c (is_cxx): Likewise.
12180 (gen_compile_unit_die): Likewise.
12181 * gcc-ar.c (main): Likewise.
12182 * gcc.c (init_spec): Likewise.
12183 (read_specs): Likewise.
12184 (execute): Likewise.
12185 (check_live_switch): Likewise.
12186 * genattrtab.c (write_attr_case): Likewise.
12187 (IS_ATTR_GROUP): Likewise.
12188 * gencfn-macros.c (main): Likewise.
12189 * gengtype.c (type_for_name): Likewise.
12190 (gen_rtx_next): Likewise.
12191 (get_file_langdir): Likewise.
12192 (write_local): Likewise.
12193 * genmatch.c (get_operator): Likewise.
12194 (get_operand_type): Likewise.
12195 (expr::gen_transform): Likewise.
12196 * genoutput.c (validate_optab_operands): Likewise.
12197 * incpath.c (add_sysroot_to_chain): Likewise.
12198 * langhooks.c (lang_GNU_C): Likewise.
12199 (lang_GNU_CXX): Likewise.
12200 (lang_GNU_Fortran): Likewise.
12201 (lang_GNU_OBJC): Likewise.
12202 * lto-wrapper.c (run_gcc): Likewise.
12203 * omp-general.c (omp_max_simt_vf): Likewise.
12204 * omp-low.c (omp_runtime_api_call): Likewise.
12205 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
12206 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
12207 * real.c (real_from_string): Likewise.
12208 * selftest.c (assert_str_startswith): Likewise.
12209 * timevar.c (timer::validate_phases): Likewise.
12210 * tree.c (get_file_function_name): Likewise.
12211 * ubsan.c (ubsan_use_new_style_p): Likewise.
12212 * varasm.c (default_function_rodata_section): Likewise.
12213 (incorporeal_function_p): Likewise.
12214 (default_section_type_flags): Likewise.
12215 * system.h (startswith): Define startswith.
12217 2021-05-10 Martin Liska <mliska@suse.cz>
12219 * bitmap.h (class auto_bitmap): Remove
12220 __cplusplus >= 201103.
12221 * config/aarch64/aarch64.c: Likewise.
12222 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
12224 * sbitmap.h: Likewise.
12226 2021-05-10 Martin Liska <mliska@suse.cz>
12228 * Makefile.in: Rename gcov-iov to genversion and depend
12229 on version.h (instead of gcov-iov.h).
12230 * gcov-io.h: Include version.h instread of gcov-iov.h.
12231 * gengtype-state.c (read_state_version): Likewise.
12232 * gcov-iov.c: Moved to...
12233 * genversion.c: ...here.
12234 * lto-streamer.h (LTO_major_version): Define it with
12236 * version.c: Removed.
12237 * version.h: Removed.
12239 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12241 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
12242 * config/arc/simdext.md (VCT): Add predicates for iterator
12245 (voptab): Likewise.
12246 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
12247 (<voptab>v2si3): New patterns.
12249 (reduc_plus_scal_v4hi): Likewise.
12250 (reduc_plus_scal_v2si): Likewise.
12251 (vec_duplicatev2si): Likewise.
12252 (vec_duplicatev4hi): Likewise.
12254 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12256 * config/arc/simdext.md: Format and cleanup file.
12258 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12260 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
12261 only when munaligned-access option is on.
12262 (movmisalign<mode>): Likewise.
12264 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12266 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
12268 * config/arc/arc.c (arc_reorg): Remove underscore from string.
12270 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12272 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
12273 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
12274 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
12275 (norm_f): Likewise.
12278 (clzsi2): Use fls instruction when available.
12279 (arc_clzsi2): Likewise.
12281 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12283 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
12285 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12287 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
12289 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
12291 PR middle-end/100467
12292 * toplev.c (compile_file): Call insn_locations_init before
12293 targetm.asm_out.code_end.
12295 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
12298 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
12300 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
12302 2021-05-07 Jakub Jelinek <jakub@redhat.com>
12303 Andrew Stubbs <amd@codesourcery.com>
12306 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
12307 emit_move_insn operands.
12309 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
12311 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
12312 location for the outgoing edges of an empty block.
12313 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
12314 type by means of the get_array_descr_info langhook, if it is set and
12315 returns true. Remove obsolete code dealing with unnamed subtypes.
12317 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12319 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
12320 (sbr_vector): Renamed from ssa_block_cache.
12321 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
12322 (ssa_block_ranges::~ssa_block_ranges): Remove.
12323 (sbr_vector::set_bb_range): Use varying and undefined cached values.
12324 (ssa_block_ranges::set_bb_varying): Remove.
12325 (sbr_vector::get_bb_range): Adjust assert.
12326 (sbr_vector::bb_range_p): Adjust assert.
12327 (~block_range_cache): No freeing loop required.
12328 (block_range_cache::get_block_ranges): Remove.
12329 (block_range_cache::set_bb_range): Inline get_block_ranges.
12330 (block_range_cache::set_bb_varying): Remove.
12331 * gimple-range-cache.h (set_bb_varying): Remove prototype.
12332 * value-range.h (irange_allocator::get_memory): New.
12334 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12336 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
12337 dominator tree is available and requested.
12338 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
12339 (ranger_cache::fill_block_cache): Don't search dom tree here either.
12340 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
12342 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12344 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
12345 only PHI nodes better.
12347 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12349 * gimple-range-edge.h (gimple_outgoing_range): Rename from
12351 (gcond_edge_range): Export prototype.
12352 * gimple-range-edge.cc (gcond_edge_range): New.
12353 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
12354 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
12356 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12358 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
12359 default range into a temp and allocate only what is needed.
12361 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12363 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
12365 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12367 * gimple-range.h (gimple_range_global): Pick up parameter initial
12368 values, and use-before defined locals are UNDEFINED.
12370 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
12372 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
12374 * tree.h (reverse_storage_order_for_component_p): Return false if
12375 the type is a pointer.
12377 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
12379 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
12381 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
12384 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
12385 Handle V8QI, V4HI and V2SI modes.
12386 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
12387 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
12388 * config/i386/i386.md (unspec): ... here.
12390 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
12391 Tom de Vries <tdevries@suse.de>
12393 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
12394 a truth_value_p reduction variable is nonintegral.
12396 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
12399 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
12400 Return false for mode sizes < 16.
12402 2021-05-07 Jakub Jelinek <jakub@redhat.com>
12405 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
12407 2021-05-06 Martin Jambor <mjambor@suse.cz>
12409 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
12410 when there is no function summary.
12411 (ipa_sra_summarize_function): produce edge summaries even when
12414 2021-05-06 Tom Tromey <tom@tromey.com>
12416 * godump.c (string_hash_eq): Remove.
12417 (go_finish): Use htab_eq_string.
12419 2021-05-06 Tom Tromey <tom@tromey.com>
12421 * gengtype-state.c (read_state): Use htab_eq_string.
12422 (string_eq): Remove.
12424 2021-05-06 Tom Tromey <tom@tromey.com>
12426 * gensupport.c (htab_eq_string): Remove.
12428 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
12431 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
12432 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
12433 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
12434 set_ignored_loc callbacks.
12435 * debug.c (do_nothing_debug_hooks): Likewise.
12436 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
12437 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
12438 (in_text_section_p, last_text_label, last_cold_label,
12439 switch_text_ranges, switch_cold_ranges): New data items.
12440 (dwarf2out_note_section_used): Remove.
12441 (dwarf2out_begin_prologue): Set fde->ignored_debug and
12443 (mark_ignored_debug_section): New helper function.
12444 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
12445 mark_ignored_debug_section.
12446 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
12447 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
12448 (size_of_aranges): Adjust formula for multi-part text ranges size.
12449 (output_aranges): Output multi-part text ranges.
12450 (dwarf2out_set_ignored_loc): New callback function.
12451 (dwarf2out_finish): Output multi-part text ranges.
12452 (dwarf2out_c_finalize): Clear new data items.
12453 * final.c (final_start_function_1): Call set_ignored_loc callback.
12454 (final_scan_insn_1): Likewise.
12455 * ggc-page.c (gt_ggc_mx): New helper function.
12456 * stringpool.c (gt_pch_nx): Likewise.
12458 2021-05-06 Richard Biener <rguenther@suse.de>
12460 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
12461 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
12462 (TV_TREE_INTO_SSA): New.
12463 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
12464 (rewrite_blocks): Likewise.
12465 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
12467 2021-05-06 Jakub Jelinek <jakub@redhat.com>
12469 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
12470 abs_replacement, xor_replacement,
12471 cond_removal_in_popcount_clz_ctz_pattern,
12472 replace_phi_edge_with_variable): Change type of phi argument from
12473 gimple * to gphi *.
12475 2021-05-06 Richard Biener <rguenther@suse.de>
12477 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
12478 Output an opt-info message.
12479 (do_split_loop_on_cond): Likewise.
12480 (tree_ssa_split_loops): Update SSA form here.
12482 2021-05-06 Richard Biener <rguenther@suse.de>
12484 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
12485 return variable removal.
12487 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
12489 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
12490 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
12491 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
12493 * config/s390/s390.c (s390_const_operand_ok): Remove unused
12496 2021-05-06 Jakub Jelinek <jakub@redhat.com>
12498 PR tree-optimization/94589
12499 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
12500 spaceship_replacement.
12501 (cond_only_block_p, spaceship_replacement): New functions.
12503 2021-05-06 Richard Biener <rguenther@suse.de>
12506 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
12507 dealing with a debug use and only query existing addresses
12509 (lower_emutls_1): Avoid splitting out addresses for debug
12510 stmts, reset the debug stmt when we fail to find existing
12512 (lower_emutls_phi_arg): Set wi.stmt.
12514 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
12517 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
12518 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
12519 (stack_protect_test): Use cbranch helper.
12521 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12524 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
12525 always return the establisher frame for __builtin_frame_address (0).
12527 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
12530 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
12531 (ix86_cpu_model_var): Likewise.
12532 (ix86_cpu_features2_type_node): Likewise.
12533 (ix86_cpu_features2_var): Likewise.
12534 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
12537 2021-05-05 Martin Sebor <msebor@redhat.com>
12539 * passes.def (pass_warn_printf): Run after SSA.
12541 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
12543 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
12544 * config/arm/predicates.md (minus_one_operand): New predicate.
12546 2021-05-05 Jeff Law <jlaw@tachyum.com>
12548 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
12550 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
12552 PR rtl-optimization/100263
12553 * postreload.c (move2add_valid_value_p): Ensure register can
12556 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12558 PR rtl-optimization/100411
12559 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
12560 and beginning of function markers.
12562 2021-05-05 Jeff Law <jlaw@tachyum.com>
12564 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
12565 * config/cr16/cr16.c (notice_update_cc): Remove.
12566 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
12568 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
12571 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
12572 Handle V8QI, V4HI and V2SI modes.
12573 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
12574 (ix86_build_signbit_mask): Ditto.
12575 * config/i386/mmx.md (MMXMODE14): New mode iterator.
12576 (<smaxmin:code><MMXMODE14:mode>3): New expander.
12577 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
12578 (<umaxmin:code><MMXMODE24:mode>3): New expander.
12579 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
12580 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
12581 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12582 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12583 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12584 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12586 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12588 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
12589 not expand the VALUE_EXPR of variables put in the non-local frame.
12590 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
12591 to be ignored for debug info, ensure its variable offsets are not.
12593 2021-05-05 Richard Biener <rguenther@suse.de>
12595 PR tree-optimization/79333
12596 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
12597 Fold stmt following SSA edges.
12599 2021-05-05 Richard Biener <rguenther@suse.de>
12601 PR middle-end/100394
12602 * calls.c (expand_call): Preserve possibly throwing calls.
12603 * cfgexpand.c (expand_call_stmt): When a call can throw signal
12604 RTL expansion there are side-effects.
12605 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
12606 mark all possibly throwing stmts necessary unless we can elide
12608 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
12609 -fdelete-dead-exceptions.
12610 * tree.h (DECL_PURE_P): Add note about exceptions.
12612 2021-05-05 Alexandre Oliva <oliva@adacore.com>
12614 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
12617 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
12619 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
12620 get_fnname_from_decl for name of thunk.
12621 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
12622 and ASM_OUTPUT_LABEL.
12623 (rs6000_xcoff_declare_function_name): Use assemble_name and
12625 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
12626 (rs6000_xcoff_encode_section_info): Don't add mapping class
12627 for aliases. Always add [DS] mapping class to primary
12629 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
12631 2021-05-04 Martin Sebor <msebor@redhat.com>
12633 PR middle-end/100307
12634 * builtins.c (compute_objsize_r): Clear base0 for pointers.
12636 2021-05-04 Jeff Law <jlaw@tachyum.com>
12638 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
12640 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
12642 * caller-save.c: Remove CC0.
12643 * cfgcleanup.c: Remove CC0.
12644 * cfgrtl.c: Remove CC0.
12645 * combine.c: Remove CC0.
12646 * compare-elim.c: Remove CC0.
12647 * conditions.h: Remove CC0.
12648 * config/h8300/h8300.h: Remove CC0.
12649 * config/h8300/h8300-protos.h: Remove CC0.
12650 * config/h8300/peepholes.md: Remove CC0.
12651 * config/i386/x86-tune-sched.c: Remove CC0.
12652 * config/m68k/m68k.c: Remove CC0.
12653 * config/rl78/rl78.c: Remove CC0.
12654 * config/sparc/sparc.c: Remove CC0.
12655 * config/xtensa/xtensa.c: Remove CC0.
12656 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
12657 RTL where that is used as a placeholder only.
12658 * cprop.c: Remove CC0.
12659 * cse.c: Remove CC0.
12660 * cselib.c: Remove CC0.
12661 * df-problems.c: Remove CC0.
12662 * df-scan.c: Remove CC0.
12663 * doc/md.texi: Remove CC0. Adjust an example.
12664 * doc/rtl.texi: Remove CC0. Adjust an example.
12665 * doc/tm.texi: Regenerate.
12666 * doc/tm.texi.in: Remove CC0.
12667 * emit-rtl.c: Remove CC0.
12668 * final.c: Remove CC0.
12669 * fwprop.c: Remove CC0.
12670 * gcse-common.c: Remove CC0.
12671 * gcse.c: Remove CC0.
12672 * genattrtab.c: Remove CC0.
12673 * genconfig.c: Remove CC0.
12674 * genemit.c: Remove CC0.
12675 * genextract.c: Remove CC0.
12676 * gengenrtl.c: Remove CC0.
12677 * genrecog.c: Remove CC0.
12678 * haifa-sched.c: Remove CC0.
12679 * ifcvt.c: Remove CC0.
12680 * ira-costs.c: Remove CC0.
12681 * ira.c: Remove CC0.
12682 * jump.c: Remove CC0.
12683 * loop-invariant.c: Remove CC0.
12684 * lra-constraints.c: Remove CC0.
12685 * lra-eliminations.c: Remove CC0.
12686 * optabs.c: Remove CC0.
12687 * postreload-gcse.c: Remove CC0.
12688 * postreload.c: Remove CC0.
12689 * print-rtl.c: Remove CC0.
12690 * read-rtl-function.c: Remove CC0.
12691 * reg-notes.def: Remove CC0.
12692 * reg-stack.c: Remove CC0.
12693 * reginfo.c: Remove CC0.
12694 * regrename.c: Remove CC0.
12695 * reload.c: Remove CC0.
12696 * reload1.c: Remove CC0.
12697 * reorg.c: Remove CC0.
12698 * resource.c: Remove CC0.
12699 * rtl.c: Remove CC0.
12700 * rtl.def: Remove CC0.
12701 * rtl.h: Remove CC0.
12702 * rtlanal.c: Remove CC0.
12703 * sched-deps.c: Remove CC0.
12704 * sched-rgn.c: Remove CC0.
12705 * shrink-wrap.c: Remove CC0.
12706 * simplify-rtx.c: Remove CC0.
12707 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
12708 CC_STATUS_MDEP, and CC_STATUS.
12709 * target.def: Remove CC0.
12710 * valtrack.c: Remove CC0.
12711 * var-tracking.c: Remove CC0.
12713 2021-05-04 Richard Biener <rguenther@suse.de>
12715 PR tree-optimization/100414
12716 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
12718 (tree_ssa_phiopt_worker): But unconditionally here.
12720 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
12722 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
12723 && and || with floating-point and complex arguments.
12725 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
12727 * tree-inline.c (insert_debug_decl_map): Delete.
12728 (copy_debug_stmt): Minor tweak.
12729 (setup_one_parameter): Do not use a variable if the value is either
12730 a read-only DECL or a non-addressable local variable in the caller.
12731 In this case, insert the debug-only variable in the map manually.
12732 (expand_call_inline): Do not generate a CLOBBER for these values.
12733 * tree-inline.h (debug_map): Minor tweak.
12735 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
12737 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
12738 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
12740 2021-05-04 Richard Biener <rguenther@suse.de>
12742 PR tree-optimization/100329
12743 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
12745 (insert_stmt_after): Assert we're not running into asm goto.
12747 2021-05-04 Richard Biener <rguenther@suse.de>
12749 PR tree-optimization/100398
12750 * tree-ssa-dse.c (pass_dse::execute): Preserve control
12753 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
12755 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
12757 2021-05-04 Alexandre Oliva <oliva@adacore.com>
12759 * builtins.c (try_store_by_multiple_pieces): New.
12760 (expand_builtin_memset_args): Use it. If target_char_cast
12761 fails, proceed as for non-constant val. Pass len's ctz to...
12762 * expr.c (clear_storage_hints): ... this. Try store by
12763 multiple pieces after setmem.
12764 (clear_storage): Adjust.
12765 * expr.h (clear_storage_hints): Likewise.
12766 (try_store_by_multiple_pieces): Declare.
12767 * passes.def: Replace the last copy_prop with ccp.
12769 2021-05-03 Tom de Vries <tdevries@suse.de>
12772 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
12775 2021-05-03 Richard Biener <rguenther@suse.de>
12777 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
12779 2021-05-03 Richard Biener <rguenther@suse.de>
12781 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
12782 (dse_dom_walker): Remove.
12783 (dse_dom_walker::dse_optimize_stmt): Rename...
12784 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
12785 (dse_dom_walker::before_dom_children): Inline ...
12786 (pass_dse::execute): ... here. Perform a reverse program
12789 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
12792 * configure: Regenerated.
12794 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
12797 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
12798 (s390_md_asm_adjust): Handle hard registers.
12800 2021-05-03 Jakub Jelinek <jakub@redhat.com>
12802 PR tree-optimization/100382
12803 * tree-ssa-dse.c: Include tree-eh.h.
12804 (dse_dom_walker::before_dom_children): Don't remove stmts if
12805 stmt_unremovable_because_of_non_call_eh_p is true.
12807 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
12809 * varasm.c (compute_reloc_for_var): Split out from...
12810 (get_variable_section): Use it.
12811 * output.h (compute_reloc_for_var): Declare.
12812 * config/rs6000/rs6000-protos.h
12813 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
12815 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
12816 Don't append storage mapping class to symbol.
12817 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
12818 Don't convert TLS BSS to common.
12819 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
12820 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
12822 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
12824 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
12825 If align is 0 from TLS class, use the same rules as varasm.c
12826 If not common, switch to BSS section manually.
12827 If common, emit appropriate comm or lcomm directive.
12828 (rs6000_xcoff_encode_section_info): Add logic to append all
12829 storage mapping classes.
12830 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
12831 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
12832 rs6000_xcoff_asm_output_aligned_decl_common.
12833 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
12834 rs6000_xcoff_asm_output_aligned_decl_common.
12835 (ASM_OUTPUT_TLS_COMMON): Use
12836 rs6000_xcoff_asm_output_aligned_decl_common.
12838 2021-05-02 Jakub Jelinek <jakub@redhat.com>
12841 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
12842 as first argument of pseudo_node_t constructors.
12844 2021-05-02 Jakub Jelinek <jakub@redhat.com>
12847 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
12849 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
12851 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
12852 (gt_pch_nx (int_range<1> *&)): New.
12853 (gt_ggc_mx (int_range<1> *&)): New.
12854 * value-range.h (class irange): Add GTY support for
12857 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
12859 * doc/options.texi (Negative): Change either or to both and.
12861 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
12863 * config/aarch64/aarch64-simd-builtins.def: Add
12864 float_ml[as][q]_laneq builtin generator macros.
12865 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
12866 (aarch64_float_mla_laneq<mode>): Define.
12867 (aarch64_float_mls_laneq<mode>): Define.
12868 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
12869 instead of GCC vector extensions.
12870 (vmlaq_laneq_f32): Likewise.
12871 (vmls_laneq_f32): Likewise.
12872 (vmlsq_laneq_f32): Likewise.
12874 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
12876 * config/aarch64/aarch64-simd-builtins.def: Add
12877 float_ml[as]_lane builtin generator macros.
12878 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
12880 (mul_lane<mode>3): This, and re-order arguments.
12881 (aarch64_float_mla_lane<mode>): Define.
12882 (aarch64_float_mls_lane<mode>): Define.
12883 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
12884 instead of GCC vector extensions.
12885 (vmlaq_lane_f32): Likewise.
12886 (vmls_lane_f32): Likewise.
12887 (vmlsq_lane_f32): Likewise.
12889 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
12891 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
12892 builtin generator macros.
12893 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
12895 (aarch64_float_mls<mode>): Define.
12896 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
12897 instead of relying on GCC vector extensions.
12898 (vmla_f64): Likewise.
12899 (vmlaq_f32): Likewise.
12900 (vmlaq_f64): Likewise.
12901 (vmls_f32): Likewise.
12902 (vmls_f64): Likewise.
12903 (vmlsq_f32): Likewise.
12904 (vmlsq_f64): Likewise.
12905 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
12907 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
12909 * config/aarch64/aarch64-simd-builtins.def: Add
12910 float_ml[as]_n_builtin generator macros.
12911 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
12913 (mul_n<mode>3): This, and re-order arguments.
12914 (aarch64_float_mla_n<mode>): Define.
12915 (aarch64_float_mls_n<mode>): Define.
12916 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
12917 instead of inline asm.
12918 (vmlaq_n_f32): Likewise.
12919 (vmls_n_f32): Likewise.
12920 (vmlsq_n_f32): Likewise.
12922 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
12924 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
12925 builtin generator macros.
12926 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
12927 (aarch64_pmull_hiv16qi_insn): Define.
12928 (aarch64_pmull_hiv16qi): Define.
12929 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
12930 instead of inline asm.
12931 (vmull_p8): Likewise.
12933 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
12935 * config/avr/avr.md: Adjust peepholes to match and
12936 generate parallels with clobber of REG_CC.
12937 (mov<mode>_insn): Rename to mov<mode>_insn_split.
12938 (*mov<mode>_insn): Rename to mov<mode>_insn.
12940 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
12942 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
12943 for VAR_DECLs if -fdata-sections enabled.
12945 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
12947 PR bootstrap/100327
12948 * config/rs6000/rs6000.c
12949 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
12950 (rs6000_libgcc_floating_mode_supported_p): New target hook.
12952 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
12954 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
12956 (class back_threader_registry): ...to here...
12957 (class back_threader_profitability): ...and here...
12958 (thread_jumps::thread_through_all_blocks): Remove argument.
12959 (back_threader_registry::back_threader_registry): New.
12960 (back_threader_registry::~back_threader_registry): New.
12961 (back_threader_registry::thread_through_all_blocks): New.
12962 (thread_jumps::profitable_jump_thread_path): Move from here...
12963 (back_threader_profitability::profitable_path_p): ...to here.
12964 (thread_jumps::find_taken_edge): New.
12965 (thread_jumps::convert_and_register_current_path): Move...
12966 (back_threader_registry::register_path): ...to here.
12967 (thread_jumps::register_jump_thread_path_if_profitable): Move...
12968 (thread_jumps::maybe_register_path): ...to here.
12969 (thread_jumps::handle_phi): Call find_taken_edge and
12970 maybe_register_path.
12971 (thread_jumps::handle_assignment): Same.
12972 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
12973 tree argument to handle_phi and handle_assignment.
12974 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
12975 set of m_speed_p and m_max_threaded_paths.
12976 (pass_thread_jumps::execute): Remove second argument from
12977 find_jump_threads_backwards.
12978 (pass_early_thread_jumps::execute): Same.
12980 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
12982 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
12983 (class dom_opt_dom_walker): Initialize some class variables.
12984 (pass_dominator::execute): Pass evrp_range_analyzer and
12985 dom_jump_threader_simplifier to dom_opt_dom_walker.
12986 Adjust for some functions moving into classes.
12987 (simplify_stmt_for_jump_threading): Adjust and move to...
12988 (jump_threader_simplifier::simplify): ...here.
12989 (dom_opt_dom_walker::before_dom_children): Adjust for
12990 m_evrp_range_analyzer.
12991 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
12992 (test_for_singularity): Place in dom_opt_dom_walker class.
12993 (dom_opt_dom_walker::optimize_stmt): The argument
12994 evrp_range_analyzer is now a class field.
12995 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
12996 (thread_jumps::thread_through_all_blocks): New.
12997 (thread_jumps::convert_and_register_current_path): Use m_registry.
12998 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
12999 being in the threader class.
13000 (pass_early_thread_jumps::execute): Same.
13001 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
13002 (jump_threader::jump_threader): ...here.
13003 (threadedge_finalize_values): Move...
13004 (jump_threader::~jump_threader): ...here.
13005 (jump_threader::remove_jump_threads_including): New.
13006 (jump_threader::thread_through_all_blocks): New.
13007 (record_temporary_equivalences_from_phis): Move...
13008 (jump_threader::record_temporary_equivalences_from_phis): ...here.
13009 (record_temporary_equivalences_from_stmts_at_dest): Move...
13010 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
13012 (simplify_control_stmt_condition_1): Move to jump_threader class.
13013 (simplify_control_stmt_condition): Move...
13014 (jump_threader::simplify_control_stmt_condition): ...here.
13015 (thread_around_empty_blocks): Move...
13016 (jump_threader::thread_around_empty_blocks): ...here.
13017 (thread_through_normal_block): Move...
13018 (jump_threader::thread_through_normal_block): ...here.
13019 (thread_across_edge): Move...
13020 (jump_threader::thread_across_edge): ...here.
13021 (thread_outgoing_edges): Move...
13022 (jump_threader::thread_outgoing_edges): ...here.
13023 * tree-ssa-threadedge.h: Move externally facing functings...
13024 (class jump_threader): ...here...
13025 (class jump_threader_simplifier): ...and here.
13026 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
13027 (jump_thread_path_allocator::jump_thread_path_allocator): New.
13028 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
13029 (jump_thread_path_allocator::allocate_thread_edge): New.
13030 (jump_thread_path_allocator::allocate_thread_path): New.
13031 (jump_thread_path_registry::jump_thread_path_registry): New.
13032 (jump_thread_path_registry::~jump_thread_path_registry): New.
13033 (jump_thread_path_registry::allocate_thread_edge): New.
13034 (jump_thread_path_registry::allocate_thread_path): New.
13035 (dump_jump_thread_path): Make extern.
13036 (debug (const vec<jump_thread_edge *> &path)): New.
13037 (struct removed_edges): Move to tree-ssa-threadupdate.h.
13038 (struct thread_stats_d): Remove.
13039 (remove_ctrl_stmt_and_useless_edges): Make static.
13040 (lookup_redirection_data): Move...
13041 (jump_thread_path_registry::lookup_redirection_data): ...here.
13042 (ssa_redirect_edges): Make static.
13043 (thread_block_1): Move...
13044 (jump_thread_path_registry::thread_block_1): ...here.
13045 (thread_block): Move...
13046 (jump_thread_path_registry::thread_block): ...here.
13047 (thread_through_loop_header): Move...
13048 (jump_thread_path_registry::thread_through_loop_header): ...here.
13049 (mark_threaded_blocks): Move...
13050 (jump_thread_path_registry::mark_threaded_blocks): ...here.
13051 (debug_path): Move...
13052 (jump_thread_path_registry::debug_path): ...here.
13053 (debug_all_paths): Move...
13054 (jump_thread_path_registry::dump): ..here.
13055 (rewire_first_differing_edge): Move...
13056 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
13057 (adjust_paths_after_duplication): Move...
13058 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
13059 (duplicate_thread_path): Move...
13060 (jump_thread_path_registry::duplicate_thread_path): ..here.
13061 (remove_jump_threads_including): Move...
13062 (jump_thread_path_registry::remove_jump_threads_including): ...here.
13063 (thread_through_all_blocks): Move to...
13064 (jump_thread_path_registry::thread_through_all_blocks): ...here.
13065 (delete_jump_thread_path): Remove.
13066 (register_jump_thread): Move...
13067 (jump_thread_path_registry::register_jump_thread): ...here.
13068 * tree-ssa-threadupdate.h: Move externally facing functions...
13069 (class jump_thread_path_allocator): ...here...
13070 (class jump_thread_path_registry): ...and here.
13071 (thread_through_all_blocks): Remove.
13072 (struct removed_edges): New.
13073 (register_jump_thread): Remove.
13074 (remove_jump_threads_including): Remove.
13075 (delete_jump_thread_path): Remove.
13076 (remove_ctrl_stmt_and_useless_edges): Remove.
13077 (free_dom_edge_info): New prototype.
13078 * tree-vrp.c: Remove x_vr_values hack.
13079 (class vrp_jump_threader_simplifier): New.
13080 (vrp_jump_threader_simplifier::simplify): New.
13081 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
13082 Remove m_dummy_cond.
13083 Instantiate m_simplifier and m_threader.
13084 (vrp_jump_threader::thread_through_all_blocks): New.
13085 (vrp_jump_threader::simplify_stmt): Remove.
13086 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
13087 Remove x_vr_values hack.
13088 (execute_vrp): Adjust for thread_through_all_blocks being in a
13091 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
13093 * genflags.c (gen_insn): Print failed expansion string.
13095 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
13097 * expr.c (alignment_for_piecewise_move): Call mode_for_size
13098 without limit to MAX_FIXED_MODE_SIZE.
13100 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
13102 PR middle-end/90773
13103 * builtins.c (builtin_memset_gen_str): Don't use return from
13104 simplify_gen_subreg.
13106 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
13109 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
13110 (*addsi3_carry_zext_0r): Ditto.
13111 (*sub<mode>3_carry_0): Ditto.
13112 (*subsi3_carry_zext_0r): Ditto.
13113 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
13115 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
13116 Also consider ix86_carry_flag_unset_operator to calculate
13117 the cost of adc/sbb insn.
13119 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
13121 PR rtl-optimization/100225
13122 PR rtl-optimization/84878
13123 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
13124 where we have an instruction which touches (writes) any hard
13125 register from df->regular_block_artificial_uses set.
13126 Allow not-single-set instruction only right before basic block
13129 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
13131 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
13133 2021-04-30 LevyHsu <admin@levyhsu.com>
13135 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
13136 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
13137 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
13138 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
13140 2021-04-29 Alexandre Oliva <oliva@adacore.com>
13142 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
13144 2021-04-29 Alexandre Oliva <oliva@adacore.com>
13146 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
13147 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
13148 * config/i386/i386.c: Adjust.
13149 * config/i386/i386.md: Adjust.
13150 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
13151 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13152 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13153 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13154 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13155 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13156 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13157 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13158 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13159 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13160 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
13162 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
13164 * config/i386/i386-expand.c (ix86_expand_int_compare):
13165 Swap operands of GTU and LEU comparison to emit carry flag comparison.
13166 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
13167 predicate to allow more combine opportunities with memory operands.
13168 (*sub<mode>3_carry_0): Ditto.
13170 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
13172 PR rtl-optimization/100303
13173 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
13174 boolean that indicates whether the use will only be used in
13175 debug instructions. Treat it in the same way that existing
13176 cross-EBB debug references would be handled if so.
13177 (function_info::make_uses_available): Likewise.
13178 * rtl-ssa/functions.h (function_info::make_uses_available): Update
13179 prototype accordingly.
13180 (function_info::make_uses_available): Likewise.
13181 * fwprop.c (try_fwprop_subst): Update call accordingly.
13183 2021-04-29 Jeff Law <jlaw@tachyum.com>
13185 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
13188 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
13189 Richard Biener <rguenther@suse.de>
13192 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
13193 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
13194 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
13195 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
13196 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
13197 to PURE_ARGS category.
13198 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
13199 Handle PURE_ARGS category.
13200 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
13202 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
13204 * configure.ac: Check for the presence of sys/locking.h header and
13205 for whether _LK_LOCK is supported by _locking.
13206 * configure: Regenerate.
13207 * config.in: Likewise.
13208 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
13209 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
13210 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
13212 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
13214 * config/i386/predicates.md (fcmov_comparison_operator):
13215 Do not check for trivial FP comparison operator.
13216 <case GEU, case LTU>: Allow CCGZmode.
13217 <case GTU, case LEU>: Do not allow CCCmode.
13218 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
13219 (ix86_carry_flag_operator): Match only LTU and UNLT code.
13220 Do not check for trivial FP comparison operator. Allow CCGZmode.
13222 2021-04-29 Tom de Vries <tdevries@suse.de>
13224 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
13225 fd->loop.step by either step or orig_step.
13227 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
13229 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
13230 (load_got_register): Do the PIC dance here.
13231 (sparc_legitimize_tls_address): Simplify.
13232 (sparc_emit_probe_stack_range): Likewise.
13233 (sparc32_initialize_trampoline): Likewise.
13234 (sparc64_initialize_trampoline): Likewise.
13235 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
13236 (probe_stack_range<P:mode>): Likewise.
13237 (flush<P:mode>): Likewise.
13238 (tgd_hi22<P:mode>): Likewise.
13239 (tgd_lo10<P:mode>): Likewise.
13240 (tgd_add<P:mode>): Likewise.
13241 (tgd_call<P:mode>): Likewise.
13242 (tldm_hi22<P:mode>): Likewise.
13243 (tldm_lo10<P:mode>): Likewise.
13244 (tldm_add<P:mode>): Likewise.
13245 (tldm_call<P:mode>): Likewise.
13246 (tldo_hix22<P:mode>): Likewise.
13247 (tldo_lox10<P:mode>): Likewise.
13248 (tldo_add<P:mode>): Likewise.
13249 (tie_hi22<P:mode>): Likewise.
13250 (tie_lo10<P:mode>): Likewise.
13251 (tie_add<P:mode>): Likewise.
13252 (tle_hix22<P:mode>): Likewise.
13253 (tle_lox10<P:mode>): Likewise.
13254 (stack_protect_setsi): Rename to...
13255 (stack_protect_set32): ...this.
13256 (stack_protect_setdi): Rename to...
13257 (stack_protect_set64): ...this.
13258 (stack_protect_set): Adjust calls to above.
13259 (stack_protect_testsi): Rename to...
13260 (stack_protect_test32): ...this.
13261 (stack_protect_testdi): Rename to...
13262 (stack_protect_test64): ...this.
13263 (stack_protect_test): Adjust calls to above.
13265 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
13267 PR middle-end/90773
13268 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
13269 (builtin_strncpy_read_str): Likewise.
13270 (builtin_memset_read_str): Add an argument for the previous RTL
13271 information and generate the new RTL from the previous RTL info.
13272 (builtin_memset_gen_str): Likewise.
13273 * builtins.h (builtin_strncpy_read_str): Update the prototype.
13274 (builtin_memset_read_str): Likewise.
13275 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
13276 returns true, round up size and alignment to the widest integer
13277 mode for maximum size.
13278 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
13279 and pass it to m_constfn.
13280 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
13281 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
13282 initialize m_push. Initialize m_overlap_op_by_pieces with
13283 targetm.overlap_op_by_pieces_p ().
13284 (op_by_pieces_d::run): Pass the previous RTL information to
13285 pieces_addr::adjust and generate overlapping operations if
13286 m_overlap_op_by_pieces is true.
13288 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
13290 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
13292 (can_store_by_pieces): Use by_pieces_constfn on constfun.
13293 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
13294 for op_by_pieces_d change.
13295 (clear_by_pieces_1): Add a dummy argument.
13296 (clear_by_pieces): Updated for op_by_pieces_d change.
13297 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
13298 (string_cst_read_str): Add a dummy argument.
13299 * expr.h (by_pieces_constfn): Add a dummy argument.
13300 (by_pieces_prev): New.
13301 * target.def (overlap_op_by_pieces_p): New target hook.
13302 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
13303 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
13304 * doc/tm.texi: Regenerated.
13306 2021-04-29 Richard Biener <rguenther@suse.de>
13308 PR tree-optimization/100253
13309 * tree-vect-stmts.c (vectorizable_load): Do not assume
13310 element alignment when DR_MISALIGNMENT is -1.
13311 (vectorizable_store): Likewise.
13313 2021-04-29 Jakub Jelinek <jakub@redhat.com>
13316 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
13317 absu_hwi instead of abs_hwi.
13319 2021-04-29 Richard Biener <rguenther@suse.de>
13321 PR middle-end/38474
13322 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
13323 forwarding when indirect forwarding through ESCAPED
13326 2021-04-29 Tom de Vries <tdevries@suse.de>
13329 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
13330 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
13331 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
13332 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
13334 2021-04-29 Richard Biener <rguenther@suse.de>
13336 PR tree-optimization/99912
13337 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
13338 (dse_dom_walker::todo): Likewise.
13339 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
13341 (dse_dom_walker::before_dom_children): Remove trivially
13342 dead SSA defs and schedule CFG cleanup if we removed all
13344 (pass_dse::execute): Get TODO as computed by the DOM walker
13345 and return it. Wipe dominator info earlier.
13347 2021-04-29 Richard Biener <rguenther@suse.de>
13350 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
13351 Track blocks to cleanup EH in new m_need_eh_cleanup.
13352 (ipcp_modif_dom_walker::cleanup_eh): New.
13353 (ipcp_transform_function): Release dominator info before
13356 2021-04-29 Martin Sebor <msebor@redhat.com>
13358 PR middle-end/100250
13359 * attribs.c (attr_access::array_as_string): Avoid dereferencing
13360 a pointer when it's null.
13362 2021-04-29 Martin Sebor <msebor@redhat.com>
13364 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
13365 * ipa-free-lang-data.cc: New file.
13366 * tree.c: Move pass free_lang_data to file above.
13367 (build_array_type_1): Declare extern.
13368 * tree.h (build_array_type_1): Declare.
13370 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13372 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
13373 make consistent with updated RTL pattern.
13374 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
13375 Implement using ss_truncate and us_truncate rather than
13377 * config/aarch64/iterators.md: Remove redundant unspecs and
13378 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
13380 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13382 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
13383 attributes consistent with those defined in arm_neon.h.
13385 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13387 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
13388 attributes consistent with those defined in arm_neon.h.
13390 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13392 * config/aarch64/aarch64-simd-builtins.def: Add
13393 float_trunc_rodd builtin generator macros.
13394 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
13396 (aarch64_float_trunc_rodd_lo_v2sf): Define.
13397 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
13398 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
13399 (aarch64_float_trunc_rodd_hi_v4sf): Define.
13400 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
13401 instead of inline asm.
13402 (vcvtx_high_f32_f64): Likewise.
13403 (vcvtxd_f32_f64): Likewise.
13404 * config/aarch64/iterators.md: Add FCVTXN unspec.
13406 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13408 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
13410 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
13412 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
13413 instead of inline asm.
13414 (vqtbx1_u8): Likewise.
13415 (vqtbx1_p8): Likewise.
13416 (vqtbx1q_s8): Likewise.
13417 (vqtbx1q_u8): Likewise.
13418 (vqtbx1q_p8): Likewise.
13419 (vtbx2_s8): Likewise.
13420 (vtbx2_u8): Likewise.
13421 (vtbx2_p8): Likewise.
13423 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13425 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
13427 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
13428 instead of inline asm.
13429 (vqtbl1_s8): Likewise.
13430 (vqtbl1_u8): Likewise.
13431 (vqtbl1q_p8): Likewise.
13432 (vqtbl1q_s8): Likewise.
13433 (vqtbl1q_u8): Likewise.
13434 (vtbl1_s8): Likewise.
13435 (vtbl1_u8): Likewise.
13436 (vtbl1_p8): Likewise.
13437 (vtbl2_s8): Likewise.
13438 (vtbl2_u8): Likewise.
13439 (vtbl2_p8): Likewise.
13441 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13443 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
13444 ssri_n buitin generator macro.
13445 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
13446 instead of inline asm.
13447 (vsri_n_p16): Likewise.
13448 (vsri_n_p64): Likewise.
13449 (vsriq_n_p8): Likewise.
13450 (vsriq_n_p16): Likewise.
13451 (vsriq_n_p64): Likewise.
13453 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13455 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
13456 iterator for polynomial ssli_n builtin generator macro.
13457 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
13458 instead of inline asm.
13459 (vsli_n_p16): Likewise.
13460 (vsliq_n_p8): Likewise.
13461 (vsliq_n_p16): Likewise.
13462 * config/aarch64/iterators.md: Define VALLP mode iterator.
13464 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13466 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
13467 iterator to generate [su]adalp RTL builtins.
13468 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
13469 [su]adalp RTL pattern.
13470 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
13471 instead of inline asm.
13472 (vpadal_u32): Likewise.
13474 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13476 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
13477 builtin generator macros.
13478 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
13480 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
13481 instead of inline asm.
13482 (vpaddl_s16): Likewise.
13483 (vpaddl_s32): Likewise.
13484 (vpaddl_u8): Likewise.
13485 (vpaddl_u16): Likewise.
13486 (vpaddl_u32): Likewise.
13487 (vpaddlq_s8): Likewise.
13488 (vpaddlq_s16): Likewise.
13489 (vpaddlq_s32): Likewise.
13490 (vpaddlq_u8): Likewise.
13491 (vpaddlq_u16): Likewise.
13492 (vpaddlq_u32): Liwewise.
13493 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
13494 appropriate attributes.
13496 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13498 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
13499 for aarch64_addp<mode> builtin macro generator.
13500 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
13501 aarch64_addp<mode> RTL pattern.
13502 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
13503 instead of inline asm.
13504 (vpaddq_s16): Likewise.
13505 (vpaddq_s32): Likewise.
13506 (vpaddq_s64): Likewise.
13507 (vpaddq_u8): Likewise.
13508 (vpaddq_u16): Likewise.
13509 (vpaddq_u32): Likewise.
13510 (vpaddq_u64): Likewise.
13512 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13514 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
13515 builtin generator macros.
13516 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
13518 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
13519 instead of inline asm.
13520 (vqdmulh_n_s32): Likewise.
13521 (vqdmulhq_n_s16): Likewise.
13522 (vqdmulhq_n_s32): Likewise.
13523 (vqrdmulh_n_s16): Likewise.
13524 (vqrdmulh_n_s32): Likewise.
13525 (vqrdmulhq_n_s16): Likewise.
13526 (vqrdmulhq_n_s32): Likewise.
13528 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
13530 * doc/install.texi (--enable-offload-defaulted): Document.
13532 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
13534 * config/avr/avr-dimode.md: Turn existing patterns into
13535 define_insn_and_split style patterns where the splitter
13536 adds a clobber of the condition code register. Drop "cc"
13537 attribute. Add new patterns to match output of
13539 * config/avr/avr-fixed.md: Likewise.
13540 * config/avr/avr.c (cc_reg_rtx): New.
13541 (avr_parallel_insn_from_insns): Adjust insn count
13542 for removal of set of cc0.
13543 (avr_is_casesi_sequence): Likewise.
13544 (avr_casei_sequence_check_operands): Likewise.
13545 (avr_optimize_casesi): Likewise. Also insert
13546 new insns after jump_insn.
13547 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
13548 for removal of set of cc0.
13549 (avr_init_expanders): Initialize cc_reg_rtx.
13550 (avr_regno_reg_class): Handle REG_CC.
13551 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
13552 (avr_notice_update_cc): Remove function.
13553 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
13554 (compare_condition): Adjust for PARALLEL with
13556 (out_shift_with_cnt): Likewise.
13557 (ashlhi3_out): Likewise.
13558 (ashrhi3_out): Likewise.
13559 (lshrhi3_out): Likewise.
13560 (avr_class_max_nregs): Return single reg for REG_CC.
13561 (avr_compare_pattern): Check for REG_CC instead
13563 (avr_reorg_remove_redundant_compare): Likewise.
13564 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
13565 (avr_hard_regno_nregs): Return single reg for REG_CC.
13566 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
13567 (avr_md_asm_adjust): Clobber REG_CC.
13568 (TARGET_HARD_REGNO_NREGS): Define.
13569 (TARGET_CLASS_MAX_NREGS): Define.
13570 (TARGET_MD_ASM_ADJUST): Define.
13571 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
13573 (enum reg_class): Add CC_REG class.
13574 (NOTICE_UPDATE_CC): Remove.
13575 (CC_OVERFLOW_UNUSABLE): Remove.
13576 (CC_NO_CARRY): Remove.
13577 * config/avr/avr.md: Turn existing patterns into
13578 define_insn_and_split style patterns where the splitter
13579 adds a clobber of the condition code register. Drop "cc"
13580 attribute. Add new patterns to match output of
13582 (sez): Remove unused pattern.
13584 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
13587 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
13590 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
13593 * config/aarch64/constraints.md (Utq): Require the address to
13594 be valid for both the element mode and for V2DImode.
13596 2021-04-28 Jakub Jelinek <jakub@redhat.com>
13597 Tobias Burnus <tobias@codesourcery.com>
13599 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
13600 * gcc.c (process_command): New variable.
13601 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
13602 set it if -foffload is defaulted.
13603 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
13604 (compile_offload_image): If OFFLOAD_DEFAULTED and
13605 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
13606 if corresponding mkoffload can't be found.
13607 (compile_images_for_offload_targets): Likewise. Free and clear
13608 offload_names if no valid offload is found.
13609 * config.in: Regenerate.
13610 * configure: Regenerate.
13612 2021-04-28 Richard Biener <rguenther@suse.de>
13614 PR tree-optimization/100292
13615 * tree-vect-generic.c (expand_vector_condition): Do not fold
13618 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13620 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
13621 * config/rs6000/aix64.opt (m64): New.
13624 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13626 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
13627 (index_term_p): Handle ASHIFT too.
13629 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13631 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
13632 (sync_lock_test_and_set<mode>): Adjust accordingly.
13633 (sync_lock_release<mode>): Likewise.
13635 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13637 * config/vax/vax-protos.h (adjacent_operands_p): Remove
13639 * config/vax/vax.c (adjacent_operands_p): Remove.
13641 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
13643 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
13644 through to the non-conditional execution case if getting the
13645 condition for conditional execution has failed.
13647 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
13649 PR middle-end/100284
13650 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
13651 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
13652 than asserting on it.
13654 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13656 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
13657 with TARGET_AIX_OS.
13659 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13662 * calls.c (precompute_register_parameters): Additionally test
13663 targetm.precompute_tls_p to pre-compute argument.
13664 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
13665 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
13666 * target.def (precompute_tls_p): New.
13667 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
13668 * doc/tm.texi: Regenerated.
13670 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13673 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
13674 back to HOST_WIDE_INT.
13676 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
13679 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
13680 memory alignment for the outer mode.
13682 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
13684 PR middle-end/90773
13685 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
13686 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
13688 2021-04-27 Alex Coplan <alex.coplan@arm.com>
13691 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
13692 with negative immediates: ensure we expand cbranchsi4_scratch
13693 correctly and ensure we satisfy its constraints.
13694 * config/arm/sync.md
13695 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
13696 attempt to tie two output operands together with constraints;
13697 collapse two alternatives.
13698 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
13699 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
13701 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13704 * config/aarch64/predicates.md (aarch64_sub_immediate,
13705 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
13706 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
13707 * config/aarch64/aarch64.c (aarch64_print_operand,
13708 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
13710 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13712 PR tree-optimization/100239
13713 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
13714 permutations with all indices from the first zero element as vec_shl.
13716 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13718 PR rtl-optimization/100254
13719 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
13720 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
13722 2021-04-27 Richard Biener <rguenther@suse.de>
13724 PR tree-optimization/99912
13725 * passes.def: Add comment about new TODO_remove_unused_locals.
13726 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
13729 2021-04-27 Richard Biener <rguenther@suse.de>
13731 PR tree-optimization/99912
13732 * passes.def (pass_all_optimizations): Add pass_dse before
13733 the first pass_dce, move the first pass_dse before the
13734 pass_dce following pass_pre.
13736 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13738 PR tree-optimization/95527
13739 * generic-match-head.c: Include tm.h.
13740 * gimple-match-head.c: Include tm.h.
13741 * match.pd (CLZ == INTEGER_CST): Don't use
13742 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
13743 if clz == CFN_CLZ. Add missing val declaration.
13744 (CTZ cmp CST): New simplifications.
13746 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13748 PR tree-optimization/96696
13749 * expr.c (expand_expr_divmod): New function.
13750 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
13751 divisions. Formatting fixes.
13752 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
13755 2021-04-27 Martin Jambor <mjambor@suse.cz>
13758 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
13759 If removing a call statement LHS SSA name, release it.
13761 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
13764 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
13765 is valid before including it in the mask.
13767 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
13770 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
13773 2021-04-27 Richard Biener <rguenther@suse.de>
13775 PR tree-optimization/100051
13776 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
13777 disambiguator based on access size vs. decl size.
13779 2021-04-27 Richard Biener <rguenther@suse.de>
13781 PR tree-optimization/100278
13782 * tree-ssa-pre.c (compute_avail): Give up when we cannot
13783 adjust TBAA beacuse of mismatching bases.
13785 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13788 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
13789 For any_rotate define_insn_split and following splitters, use
13790 SWI iterator instead of SWI48.
13792 2021-04-27 Richard Biener <rguenther@suse.de>
13794 PR tree-optimization/99776
13795 * match.pd (bit_field_ref (ctor)): Relax element extract
13796 type compatibility checks.
13798 2021-04-27 Cui,Lili <lili.cui@intel.com>
13800 * common/config/i386/i386-common.c (processor_names):
13801 Sync processor_names with processor_type.
13802 * config/i386/i386-options.c (processor_cost_table):
13803 Sync processor_cost_table with processor_type.
13805 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13807 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
13808 (irange::set): Call irange_set_1bit_anti_range for handling all
13809 1-bit ranges. Fall through on ~[MIN,MAX].
13811 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13813 * value-range.cc (irange::legacy_num_pairs): Remove.
13814 (irange::invert): Change gcc_assert to gcc_checking_assert.
13815 * value-range.h (irange::num_pairs): Adjust for a cached
13816 num_pairs(). Also, rename all gcc_assert's to
13817 gcc_checking_assert's.
13819 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13821 * value-range.cc (irange::operator=): Set m_kind.
13822 (irange::copy_to_legacy): Handle varying and undefined sources
13823 as a legacy copy since they can be easily copied.
13824 (irange::irange_set): Set m_kind.
13825 (irange::irange_set_anti_range): Same.
13826 (irange::set): Rename normalize_min_max to normalize_kind.
13827 (irange::verify_range): Adjust for multi-ranges having the
13829 (irange::irange_union): Set m_kind.
13830 (irange::irange_intersect): Same.
13831 (irange::invert): Same.
13832 * value-range.h (irange::kind): Always return m_kind.
13833 (irange::varying_p): Rename to...
13834 (irange::varying_comptaible_p): ...this.
13835 (irange::undefined_p): Only look at m_kind.
13836 (irange::irange): Always set VR_UNDEFINED if applicable.
13837 (irange::set_undefined): Always set VR_UNDEFINED.
13838 (irange::set_varying): Always set m_kind to VR_VARYING.
13839 (irange::normalize_min_max): Rename to...
13840 (irange::normalize_kind): ...this.
13842 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13844 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
13845 Adjust for constant_p including varying_p.
13846 * tree-vrp.c (vrp_prop::finalize): Same.
13847 (determine_value_range): Same.
13848 * vr-values.c (vr_values::range_of_expr): Same.
13849 * value-range.cc (irange::symbolic_p): Do not check varying_p.
13850 (irange::constant_p): Same.
13852 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13854 * value-range.cc (irange::legacy_lower_bound): Replace
13855 !undefined_p check with num_ranges > 0.
13856 (irange::legacy_upper_bound): Same.
13857 * value-range.h (irange::type): Same.
13858 (irange::lower_bound): Same.
13859 (irange::upper_bound): Same.
13861 2021-04-26 Richard Biener <rguenther@suse.de>
13863 PR tree-optimization/99956
13864 * gimple-loop-interchange.cc (compute_access_stride):
13865 Try instantiating the access in a shallower loop nest
13866 if instantiating failed.
13867 (compute_access_strides): Pass adjustable loop_nest
13868 to compute_access_stride.
13870 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
13872 * doc/sourcebuild.texi (arm_cmse_hw): Document.
13874 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13876 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
13878 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
13879 Nathan Sidwell <nathan@codesourcery.com>
13880 Tom de Vries <vries@codesourcery.com>
13881 Julian Brown <julian@codesourcery.com>
13882 Kwok Cheung Yeung <kcy@codesourcery.com>
13884 * omp-offload.c (oacc_validate_dims): Implement
13885 '-Wopenacc-parallelism'.
13886 * doc/invoke.texi (-Wopenacc-parallelism): Document.
13888 2021-04-26 Richard Biener <rguenther@suse.de>
13890 * tree-cfg.h (gimplify_build1): Remove.
13891 (gimplify_build2): Likewise.
13892 (gimplify_build3): Likewise.
13893 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
13894 (gimplify_build2): Likewise.
13895 (gimplify_build3): Likewise.
13896 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
13898 (gimplify_build2): Likewise.
13899 (gimplify_build3): Likewise.
13900 (tree_vec_extract): Use resimplify with following SSA edges.
13901 (expand_vector_parallel): Avoid passing NULL size/bitpos
13902 to tree_vec_extract.
13903 * expr.c (store_constructor): Deal with zero-element CTORs.
13904 * match.pd (bit_field_ref <vector CTOR>): Make sure to
13905 produce vector constants when possible.
13907 2021-04-26 Richard Biener <rguenther@suse.de>
13909 * tree-complex.c: Include gimple-fold.h.
13910 (expand_complex_addition): Use gimple_build.
13911 (expand_complex_multiplication_components): Likewise.
13912 (expand_complex_multiplication): Likewise.
13913 (expand_complex_div_straight): Likewise.
13914 (expand_complex_div_wide): Likewise.
13915 (expand_complex_division): Likewise.
13916 (expand_complex_conjugate): Likewise.
13917 (expand_complex_comparison): Likewise.
13919 2021-04-26 Richard Biener <rguenther@suse.de>
13921 * tree-ssa-phiopt.c (two_value_replacement): Remove use
13922 of legacy gimplify_buildN API.
13924 2021-04-26 Richard Biener <rguenther@suse.de>
13926 PR tree-optimization/99473
13927 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
13930 2021-04-26 Richard Biener <rguenther@suse.de>
13932 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
13933 Use replace_call_with_value.
13935 2021-04-26 Richard Biener <rguenther@suse.de>
13937 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
13938 (update_gimple_call): Likewise.
13939 (update_call_from_tree): Likewise.
13940 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
13941 (valid_gimple_call_p): Likewise.
13942 (move_ssa_defining_stmt_for_defs): Likewise.
13943 (finish_update_gimple_call): Likewise.
13944 (update_gimple_call): Likewise.
13945 (update_call_from_tree): Likewise.
13946 (propagate_tree_value_into_stmt): Use replace_call_with_value.
13947 * gimple-fold.h (update_gimple_call): Declare.
13948 * gimple-fold.c (valid_gimple_rhs_p): Move here from
13949 tree-ssa-propagate.c.
13950 (update_gimple_call): Likewise.
13951 (valid_gimple_call_p): Likewise.
13952 (finish_update_gimple_call): Likewise, and simplify.
13953 (gimplify_and_update_call_from_tree): Implement
13954 update_call_from_tree functionality, avoid excessive
13955 push/pop_gimplify_context.
13956 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
13957 (gimple_fold_call): Likewise.
13958 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
13959 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
13960 (pass_fold_builtins::execute): Likewise.
13961 (optimize_stack_restore): Use replace_call_with_value.
13962 * tree-cfg.c (fold_loop_internal_call): Likewise.
13963 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
13964 only gimplify_and_update_call_from_tree.
13965 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
13966 (handle_builtin_strchr): Likewise.
13967 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
13969 2021-04-26 Jakub Jelinek <jakub@redhat.com>
13972 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
13973 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
13976 2021-04-25 liuhongt <hongtao.liu@intel.com>
13979 * config/i386/i386-builtin.def (BDESC): Change the icode of
13980 the following builtins to CODE_FOR_nothing.
13981 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
13982 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
13983 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
13984 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
13985 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
13986 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
13987 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
13988 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
13989 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
13990 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
13991 (sse2_eq<mode>3): Ditto.
13992 (sse4_1_eqv2di3): Ditto.
13993 (sse2_gt<mode>3): Rename to ..
13994 (*sse2_gt<mode>3): .. this.
13996 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
13999 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
14002 * config/darwin.c (darwin_binds_local_p): Assume that any
14003 public symbol might be interposed for PIC code. Update function
14004 header comment to reflect current Darwin capability.
14006 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
14009 * config/darwin.c (darwin_binds_local_p): Assume that any
14010 public symbol might be interposed for PIC code. Update function
14011 header comment to reflect current Darwin capability.
14013 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
14015 * doc/sourcebuild.texi: Document no-opts and any-opts target
14018 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
14020 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
14022 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
14024 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
14026 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
14029 * config/i386/i386-options.c (ix86_option_override_internal):
14030 Error out when -m96bit-long-double is used with 64bit targets.
14031 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
14033 2021-04-23 Martin Liska <mliska@suse.cz>
14035 * lto-wrapper.c: Remove FIXME about usage of
14036 hardware_concurrency. The function is not on par with
14039 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
14042 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
14043 Copy operand 3 to operand 4. Use sse_reg_operand
14044 as operand 3 predicate.
14045 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
14046 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
14047 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
14048 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
14049 Copy operand 1 to operand 0.
14050 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
14051 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
14052 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
14054 2021-04-23 Alex Coplan <alex.coplan@arm.com>
14056 PR rtl-optimization/100230
14057 * early-remat.c (early_remat::sort_candidates): Use delete[]
14058 instead of delete for array allocated with new[].
14060 2021-04-23 Richard Biener <rguenther@suse.de>
14062 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
14063 (capture_info::capture_info): Likewise.
14064 (capture_info::walk_match): Likewise.
14065 (expr::gen_transform): Likewise.
14066 (dt_simplify::gen_1): Likewise.
14067 * gimple-match-head.c (maybe_resimplify_conditional_op):
14068 Remove VEC_COND_EXPR special-casing.
14069 (gimple_simplify): Likewise.
14070 * gimple.c (gimple_could_trap_p_1): Adjust.
14071 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
14072 to participate in PRE.
14074 2021-04-23 Richard Biener <rguenther@suse.de>
14076 * cfganal.c (connect_infinite_loops_to_exit): First call
14077 add_noreturn_fake_exit_edges.
14078 * ipa-sra.c (process_scan_results): Do not call the now redundant
14079 add_noreturn_fake_exit_edges.
14080 * predict.c (tree_estimate_probability): Likewise.
14081 (rebuild_frequencies): Likewise.
14082 * store-motion.c (one_store_motion_pass): Likewise.
14084 2021-04-23 Richard Biener <rguenther@suse.de>
14086 PR tree-optimization/100222
14087 * predict.c (pass_profile::execute): Remove redundant call to
14088 mark_irreducible_loops.
14089 (report_predictor_hitrates): Likewise.
14091 2021-04-23 Richard Biener <rguenther@suse.de>
14093 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
14094 valid_gimple_rhs_p by instead gimplifying to one.
14096 2021-04-23 Richard Biener <rguenther@suse.de>
14098 PR tree-optimization/99971
14099 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
14100 Always use TBAA for loads.
14102 2021-04-23 liuhongt <hongtao.liu@intel.com>
14105 * config/i386/i386-options.c (ix86_option_override_internal):
14106 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
14107 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
14108 by target attribute.
14110 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
14112 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
14114 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
14116 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
14118 * config.gcc (powerpc-ibm-aix6.*): Remove.
14119 * config/rs6000/aix61.h: Delete.
14121 2021-04-22 Martin Liska <mliska@suse.cz>
14123 PR testsuite/100159
14124 PR testsuite/100192
14125 * builtins.c (expand_builtin): Fix typos and missing comments.
14126 * dwarf2out.c (gen_subprogram_die): Likewise.
14127 (gen_struct_or_union_type_die): Likewise.
14129 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
14132 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
14133 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
14135 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
14137 * config/i386/darwin.h (TARGET_64BIT): Remove definition
14138 based on TARGET_ISA_64BIT.
14139 (TARGET_64BIT_P): Remove definition based on
14140 TARGET_ISA_64BIT_P().
14142 2021-04-21 Martin Liska <mliska@suse.cz>
14145 2021-04-21 Martin Liska <mliska@suse.cz>
14147 * lto-wrapper.c (cpuset_popcount): Remove.
14148 (init_num_threads): Remove and use hardware_concurrency.
14150 2021-04-21 Martin Liska <mliska@suse.cz>
14153 * main.c (main): Call toplev::finalize in CHECKING_P mode.
14154 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
14155 when incremental LTO linking happens.
14157 2021-04-21 Martin Liska <mliska@suse.cz>
14159 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
14160 makeserver cannot be detected, then use -flto=N fallback.
14162 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
14164 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
14165 default to yes for aarch64-linux-gnu.
14166 * configure: Regenerate.
14168 2021-04-21 Martin Liska <mliska@suse.cz>
14170 * lto-wrapper.c (cpuset_popcount): Remove.
14171 (init_num_threads): Remove and use hardware_concurrency.
14173 2021-04-21 Martin Liska <mliska@suse.cz>
14175 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
14176 which remains to be '(... || 0)' and clang complains about it.
14177 * dwarf2out.c (AT_vms_delta): Declare conditionally.
14178 (add_AT_vms_delta): Likewise.
14179 * tree.c (fld_simplified_type): Use rather more common pattern
14180 for disabling of something (#if 0).
14181 (get_tree_code_name): Likewise.
14182 (verify_type_variant): Likewise.
14184 2021-04-21 Martin Liska <mliska@suse.cz>
14186 * config/i386/i386-expand.c (decide_alignment): Use newly named
14187 macro TARGET_CPU_P.
14188 * config/i386/i386.c (ix86_decompose_address): Likewise.
14189 (ix86_address_cost): Likewise.
14190 (ix86_lea_outperforms): Likewise.
14191 (ix86_avoid_lea_for_addr): Likewise.
14192 (ix86_add_stmt_cost): Likewise.
14193 * config/i386/i386.h (TARGET_*): Remove.
14194 (TARGET_CPU_P): New macro.
14195 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
14196 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
14197 (swap_top_of_ready_list): Likewise.
14198 (ix86_atom_sched_reorder): Likewise.
14199 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
14200 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
14202 2021-04-21 Martin Liska <mliska@suse.cz>
14204 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
14206 (SET_TARGET_NO_SAHF): Likewise.
14207 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
14208 (SET_TARGET_PREFETCH_SSE): Likewise.
14209 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
14210 (SET_TARGET_NO_TUNE): Likewise.
14211 (TARGET_EXPLICIT_NO_80387_P): Likewise.
14212 (SET_TARGET_NO_80387): Likewise.
14214 * config/i386/i386.h (TARGET_*): Remove.
14215 * opth-gen.awk: Generate new used macros.
14217 2021-04-21 Martin Liska <mliska@suse.cz>
14219 * config/i386/i386.h (PTA_*): Remove.
14220 (enum pta_flag): New.
14221 (DEF_PTA): Generate PTA_* values from i386-isa.def.
14222 * config/i386/i386-isa.def: New file.
14224 2021-04-21 Alex Coplan <alex.coplan@arm.com>
14227 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
14228 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
14229 jump table targets.
14231 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
14233 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
14234 x86_64-*-* targets.
14235 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
14237 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
14238 (ix86_handle_option): Handle -mmwait.
14239 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
14240 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
14241 __builtin_ia32_monitor and __builtin_ia32_mwait.
14242 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
14243 (ix86_valid_target_attribute_inner_p): Likewise.
14244 (ix86_option_override_internal): Enable mwait/monitor
14245 instructions for -msse3.
14246 * config/i386/i386.h (TARGET_MWAIT): New.
14247 (TARGET_MWAIT_P): Likewise.
14248 * config/i386/i386.opt: Add -mmwait.
14249 * config/i386/mwaitintrin.h: New file.
14250 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
14251 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
14253 (@sse3_monitor_<mode>): Likewise.
14254 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
14255 * doc/extend.texi: Document mwait target attribute.
14256 * doc/invoke.texi: Document -mmwait.
14258 2021-04-21 Martin Liska <mliska@suse.cz>
14260 * config/i386/i386-options.c (DEF_ENUM): Remove it.
14261 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
14262 * config/i386/stringop.def (DEF_ENUM): Likewise.
14264 2021-04-21 Martin Liska <mliska@suse.cz>
14266 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
14267 of print_generic_expr.
14269 2021-04-21 Jakub Jelinek <jakub@redhat.com>
14271 PR rtl-optimization/100148
14272 * cprop.c (constprop_register): Use next_nondebug_insn instead of
14275 2021-04-21 Martin Liska <mliska@suse.cz>
14278 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
14279 free_dominance_info calls.
14281 2021-04-21 Richard Biener <rguenther@suse.de>
14283 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
14284 parameter (and assume it to be false).
14285 (fold_gimple_assign): Adjust, remove all callers of
14286 maybe_fold_reference calling it with is_lhs true.
14287 (gimple_fold_call): Likewise.
14288 (fold_stmt_1): Likewise.
14290 2021-04-21 Richard Biener <rguenther@suse.de>
14292 * fold-const.c (pedantic_non_lvalue_loc): Remove.
14293 (fold_binary_loc): Adjust.
14294 (fold_ternary_loc): Likewise.
14296 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
14298 PR middle-end/100130
14299 * varasm.c (get_block_for_decl): Make sure that any use of the
14300 retain attribute matches the section's retain flag.
14301 (switch_to_section): Check for retain mismatches even when
14302 changing sections, but do not warn if the given decl is the
14303 section's named.decl.
14304 (output_object_block): Pass the first decl in the block (if any)
14305 to switch_to_section.
14307 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
14309 * config/i386/i386-c.c (ix86_target_macros_internal): Define
14310 __CRC32__ for -mcrc32.
14311 * config/i386/i386-options.c (ix86_option_override_internal):
14312 Enable crc32 instruction for -msse4.2.
14313 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
14315 (sse4_2_crc32di): Likewise.
14316 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
14319 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
14322 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
14325 2021-04-20 Martin Liska <mliska@suse.cz>
14327 * doc/invoke.texi: Fix typo.
14328 * params.opt: Likewise.
14330 2021-04-20 Martin Liska <mliska@suse.cz>
14332 * doc/invoke.texi: Document new param.
14334 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
14336 PR tree-optimization/100081
14337 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
14338 rather than gori_compute_cache.
14339 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
14340 (range_def_chain::m_logical_depth): New member.
14341 (range_def_chain::range_def_chain): Initialize m_logical_depth.
14342 (range_def_chain::get_def_chain): Don't build defchains through more
14343 than LOGICAL_LIMIT logical expressions.
14344 * params.opt (param_ranger_logical_depth): New.
14346 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
14349 * config/arm/arm.c (arm_configure_build_target): Do not strip
14350 extended FPU/SIMD feature bits from the target ISA when -mfpu
14351 is specified (partial revert of r11-8168).
14353 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
14355 * params.opt (-param=openacc-kernels=): Add.
14356 * omp-oacc-kernels-decompose.cc
14357 (pass_omp_oacc_kernels_decompose::gate): Use it.
14358 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
14359 (--param): ... here, 'openacc-kernels'.
14361 2021-04-19 Martin Liska <mliska@suse.cz>
14364 * gengtype.c (finish_root_table): Align function arguments
14365 in between declaration and definition.
14367 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
14369 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
14370 frames larger than the SEH maximum frame size.
14372 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
14374 PR rtl-optimization/99927
14375 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
14376 is dead, just drop it.
14378 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
14381 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
14382 * doc/tm.texi: Regenerate.
14383 * doc/tm.texi.in (D language and ABI): Add @hook for
14384 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
14386 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
14388 * config/darwin-d.c (darwin_d_handle_target_object_format): New
14390 (darwin_d_register_target_info): New function.
14391 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14392 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
14394 (dragonfly_d_register_target_info): New function.
14395 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14396 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
14398 (freebsd_d_register_target_info): New function.
14399 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14400 * config/glibc-d.c (glibc_d_handle_target_object_format): New
14402 (glibc_d_register_target_info): New function.
14403 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14404 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
14406 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
14407 as handler for objectFormat key.
14408 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
14410 (winnt_d_register_target_info): New function.
14411 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14412 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
14414 (netbsd_d_register_target_info): New function.
14415 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14416 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
14418 (openbsd_d_register_target_info): New function.
14419 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14420 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
14421 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
14422 handler for objectFormat key.
14423 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
14425 (rs6000_d_register_target_info): Add
14426 rs6000_d_handle_target_object_format as handler for objectFormat key.
14427 * config/sol2-d.c (solaris_d_handle_target_object_format): New
14429 (solaris_d_register_target_info): New function.
14430 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14432 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14435 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
14436 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
14438 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
14439 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
14440 the old and new alignment after applying MIN/MAX to it is different.
14442 2021-04-16 Tamar Christina <tamar.christina@arm.com>
14445 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
14446 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
14448 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
14450 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
14452 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
14453 this section and its subsections.
14455 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14458 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
14459 define_insn patterns.
14461 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
14463 PR rtl-optimization/98689
14464 * reg-notes.def (UNTYPED_CALL): New note.
14465 * combine.c (distribute_notes): Handle it.
14466 * emit-rtl.c (try_split): Likewise.
14467 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
14468 that calls with the note implicitly set all return value registers.
14469 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
14472 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
14474 PR rtl-optimization/99596
14475 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
14476 register accesses for const calls. Assume that pure functions
14477 can only read from global registers. Ignore cases in which
14478 the stack pointer has been marked global.
14480 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14483 * tree-vect-loop.c (vect_transform_loop): Don't remove just
14484 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
14485 them by their last argument.
14487 2021-04-15 Martin Liska <mliska@suse.cz>
14489 * doc/invoke.texi: Other params don't use it, remove it.
14491 2021-04-15 Richard Biener <rguenther@suse.de>
14493 * gimple-builder.h: Add deprecation note.
14495 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
14498 * attribs.h (restrict_type_identity_attributes_to): Declare.
14499 * attribs.c (restrict_type_identity_attributes_to): New function.
14501 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
14504 * attribs.h (affects_type_identity_attributes): Declare.
14505 * attribs.c (remove_attributes_matching): New function.
14506 (affects_type_identity_attributes): Likewise.
14508 2021-04-15 Jakub Jelinek <jakub@redhat.com>
14511 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
14512 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
14513 ZERO_EXTEND, SIGN_EXTEND or AND.
14515 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14517 PR rtl-optimization/99929
14518 * rtl.h (same_vector_encodings_p): New function.
14519 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
14520 * cselib.c (rtx_equal_for_cselib_1): Likewise.
14521 * jump.c (rtx_renumbered_equal_p): Likewise.
14522 * lra-constraints.c (operands_match_p): Likewise.
14523 * reload.c (operands_match_p): Likewise.
14524 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
14526 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14528 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
14529 more information about variable-length CONST_VECTORs.
14531 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
14533 PR rtl-optimization/100066
14534 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
14535 ordered modes when choosing splitting mode for hard reg.
14537 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14540 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
14542 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
14544 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
14546 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
14547 for mask operand types.
14548 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
14549 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
14551 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
14553 * config/s390/s390.c (s390_const_operand_ok): Check the new
14554 operand types and generate a list of valid values.
14556 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14558 * doc/tm.texi: Regenerate.
14559 * doc/tm.texi.in (D language and ABI): Add @hook for
14560 TARGET_D_REGISTER_OS_TARGET_INFO.
14562 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14564 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
14566 (aarch64_d_register_target_info): New function.
14567 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
14569 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
14571 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
14572 (arm_d_register_target_info): New function.
14573 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
14574 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14575 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
14576 (ix86_d_register_target_info): New function.
14577 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
14578 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14579 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
14580 (mips_d_register_target_info): New function.
14581 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
14582 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14583 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
14584 (pa_d_register_target_info): New function.
14585 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
14586 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14587 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
14589 (riscv_d_register_target_info): New function.
14590 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
14591 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14592 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
14594 (rs6000_d_register_target_info): New function.
14595 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
14597 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14598 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
14599 (s390_d_register_target_info): New function.
14600 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
14601 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14602 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
14604 (sparc_d_register_target_info): New function.
14605 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
14606 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14607 * doc/tm.texi: Regenerate.
14608 * doc/tm.texi.in (D language and ABI): Add @hook for
14609 TARGET_D_REGISTER_CPU_TARGET_INFO.
14611 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14613 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
14614 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
14615 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
14616 * doc/tm.texi: Regenerate.
14617 * doc/tm.texi.in (D language and ABI): Add @hook for
14618 TARGET_D_HAS_STDCALL_CONVENTION.
14620 2021-04-14 Richard Biener <rguenther@suse.de>
14622 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
14623 VEC_COND_EXPRs have a gimple_val condition.
14624 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
14625 can no longer have a GENERIC condition.
14627 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
14630 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
14631 from the isa_delta when -mfpu has been used.
14632 (arm_options_perform_arch_sanity_checks): It's the architecture that
14633 lacks an FPU not the processor.
14635 2021-04-13 Richard Biener <rguenther@suse.de>
14637 PR tree-optimization/100053
14638 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
14639 not use optimistic dominance queries for backedges to validate
14641 (dominated_by_p_w_unex): Add parameter to ignore executable
14642 state on backedges.
14643 (rpo_elim::eliminate_avail): Adjust.
14645 2021-04-13 Jakub Jelinek <jakub@redhat.com>
14648 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
14649 *aarch64_bfxilsi_extrdi): New define_insn patterns.
14651 2021-04-13 Jakub Jelinek <jakub@redhat.com>
14654 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
14655 outermode, return NULL if the result doesn't encode back to the
14656 original byte sequence.
14657 (simplify_gen_subreg): Don't create SUBREGs from constants to
14658 MODE_COMPOSITE_P outermode.
14660 2021-04-12 Jakub Jelinek <jakub@redhat.com>
14662 PR rtl-optimization/99905
14663 * combine.c (expand_compound_operation): If pos + len > modewidth,
14664 perform the right shift by pos in inner_mode and then convert to mode,
14665 instead of trying to simplify a shift of rtx with inner_mode by pos
14666 as if it was a shift in mode.
14668 2021-04-12 Jakub Jelinek <jakub@redhat.com>
14671 * combine.c (simplify_and_const_int_1): Don't optimize varop
14672 away if it has side-effects.
14674 2021-04-12 Martin Liska <mliska@suse.cz>
14676 * doc/extend.texi: Escape @smallexample content.
14678 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
14680 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
14681 alternative in order to load a DFP zero.
14683 2021-04-12 Martin Liska <mliska@suse.cz>
14685 * doc/extend.texi: Be more precise in documentation
14686 of symver attribute.
14688 2021-04-12 Martin Liska <mliska@suse.cz>
14691 * gimplify.c (gimplify_expr): Right now, we unpoison all
14692 variables before a goto <dest>. We should not do it if we are
14695 2021-04-12 Cui,Lili <lili.cui@intel.com>
14697 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
14699 * common/config/i386/i386-common.c (processor_names): Add
14701 (processor_alias_table): Add rocketlake.
14702 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
14703 INTEL_COREI7_ROCKETLAKE.
14704 * config.gcc: Add -march=rocketlake.
14705 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
14707 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
14708 (processor_cost_table): Add rocketlake cost.
14709 * config/i386/i386.h (ix86_size_cost) : Define
14711 (processor_type) : Add PROCESSOR_ROCKETLAKE.
14712 (PTA_ROCKETLAKE): Ditto.
14713 * doc/extend.texi: Add rocketlake.
14714 * doc/invoke.texi: Add rocketlake.
14716 2021-04-12 Cui,Lili <lili.cui@intel.com>
14718 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
14719 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
14720 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
14721 * doc/invoke.texi: Change alderlake ISA list.
14723 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
14725 PR middle-end/98088
14726 * omp-expand.c (expand_oacc_collapse_init): Update condition in
14729 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
14732 * config/i386/serializeintrin.h (_serialize): Defined as macro.
14734 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14737 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
14738 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
14740 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14742 PR middle-end/99989
14743 * gimple-ssa-warn-alloca.c
14744 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
14745 0 with integer precision unconditionally.
14747 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14749 PR rtl-optimization/98601
14750 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
14751 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
14752 unaligned_mems handle VOIDmode like BLKmode.
14754 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
14757 * tree.c (free_lang_data_in_decl): Do not release body of
14758 declare_variant_alt.
14760 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
14762 * config/aarch64/aarch64.c (aarch64_option_restore): If the
14763 architecture was specified explicitly and the tuning wasn't,
14764 tune for the architecture rather than the configured default CPU.
14766 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
14768 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
14769 as the temporary register.
14771 2021-04-09 Martin Liska <mliska@suse.cz>
14773 * doc/extend.texi: Move non-target attributes on the top level.
14775 2021-04-09 Martin Liska <mliska@suse.cz>
14777 * doc/invoke.texi: Document minimum and maximum value of the
14778 argument for both supported compression algorithms.
14780 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
14782 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
14783 TLS BSS before TLS data.
14784 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
14786 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
14788 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
14790 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
14792 * match.pd: Extend vec_cond folds to handle shifts.
14794 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
14796 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
14799 2021-04-08 Alex Coplan <alex.coplan@arm.com>
14802 * config/arm/iterators.md (MVE_vecs): New.
14803 (V_elem): Also handle V2DF.
14804 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
14805 (*mve_vdup<mode>): ... this. Remove second alternative since
14806 vec_duplicate of const_int is not canonical RTL, and we don't
14807 want to match symbol_refs.
14808 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
14810 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
14812 * fold-const.c (fold_single_bit_test): Fix typo.
14813 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
14816 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
14818 PR tree-optimization/97513
14819 * tree-vect-slp.c (vect_add_slp_permutation): New function,
14821 (vectorizable_slp_permutation): ...here. Detect cases in which
14822 all VEC_PERM_EXPRs are guaranteed to have the same stepped
14823 permute vector and only generate one permute vector for that case.
14824 Extend that case to handle variable-length vectors.
14826 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
14828 PR tree-optimization/99873
14829 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
14830 (vect_build_slp_instance): Don't split store groups that could
14831 use IFN_STORE_LANES.
14833 2021-04-07 Jakub Jelinek <jakub@redhat.com>
14836 * varasm.c (output_constant_pool_contents): Don't strip name encoding
14837 from XSTR (desc->sym, 0) or from label before passing those to
14840 2021-04-07 Richard Biener <rguenther@suse.de>
14842 PR tree-optimization/99954
14843 * tree-loop-distribution.c: Include tree-affine.h.
14844 (generate_memcpy_builtin): Try using tree-affine to prove
14846 (loop_distribution::classify_builtin_ldst): Always classify
14849 2021-04-07 Richard Biener <rguenther@suse.de>
14851 PR tree-optimization/99947
14852 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
14853 steps vector to avoid pushing elements from the reallocated
14856 2021-04-07 Richard Biener <rguenther@suse.de>
14858 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
14859 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
14861 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
14863 (debug_vn_reference_ops): New.
14865 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
14867 PR tree-optimization/98736
14868 * tree-loop-distribution.c
14869 * (loop_distribution::bb_top_order_init):
14870 Compute RPO with programing order preserved by calling function
14871 rev_post_order_and_mark_dfs_back_seme.
14873 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
14876 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
14877 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
14879 (process_bb_lives): Don't update biggest mode of hard reg for
14880 implicit in multi-register group. Use the new functions for
14881 updating dead_set and unused_set by register notes.
14883 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
14885 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
14888 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
14890 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
14891 (skylake_memset): Likewise.
14892 (skylake_cost): Change CLEAR_RATIO to 17.
14893 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
14894 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
14895 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
14897 2021-04-06 Richard Biener <rguenther@suse.de>
14899 PR tree-optimization/99880
14900 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
14901 set vectorized defs of relevant PHIs.
14903 2021-04-06 Richard Biener <rguenther@suse.de>
14905 PR tree-optimization/99924
14906 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
14907 nodes w/o scalar stmts as visited.
14909 2021-04-06 Alex Coplan <alex.coplan@arm.com>
14912 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
14913 PCS for [su]fix_optab.
14915 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
14917 * config/darwin.c (machopic_legitimize_pic_address): Check
14918 that the current pic register is one of the hard reg set
14919 before setting liveness.
14921 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
14923 * config/darwin.c (machopic_legitimize_pic_address): Fix
14924 whitespace, remove unused code.
14926 2021-04-03 Jakub Jelinek <jakub@redhat.com>
14928 PR tree-optimization/99882
14929 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
14932 2021-04-03 Jakub Jelinek <jakub@redhat.com>
14934 PR rtl-optimization/99863
14935 * dse.c (replace_read): Drop regs_live argument. Instead of
14936 regs_live, use store_insn->fixed_regs_live if non-NULL,
14937 otherwise punt if insns sequence clobbers or sets any hard
14940 2021-04-03 Jakub Jelinek <jakub@redhat.com>
14943 * targhooks.h (default_print_patchable_function_entry_1): Declare.
14944 * targhooks.c (default_print_patchable_function_entry_1): New function,
14945 copied from default_print_patchable_function_entry with an added flags
14947 (default_print_patchable_function_entry): Rewritten into a small
14948 wrapper around default_print_patchable_function_entry_1.
14949 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
14951 (rs6000_print_patchable_function_entry): New function.
14953 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
14955 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
14957 2021-04-01 Jason Merrill <jason@redhat.com>
14960 * common.opt: Document v15 and v16.
14962 2021-04-01 Richard Biener <rguenther@suse.de>
14964 PR tree-optimization/99863
14965 * gimplify.c (gimplify_init_constructor): Recompute vector
14968 2021-04-01 Jakub Jelinek <jakub@redhat.com>
14970 * doc/extend.texi (symver attribute): Fix up syntax errors
14973 2021-04-01 Jakub Jelinek <jakub@redhat.com>
14975 PR tree-optimization/96573
14976 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
14977 also pointer types.
14979 2021-04-01 Richard Biener <rguenther@suse.de>
14981 PR tree-optimization/99856
14982 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
14983 precision to vector element precision.
14985 2021-04-01 Martin Jambor <mjambor@suse.cz>
14987 PR tree-optimization/97009
14988 * tree-sra.c (access_or_its_child_written): New function.
14989 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
14992 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
14995 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
14997 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
15000 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
15001 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
15002 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
15003 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
15004 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
15005 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
15007 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
15008 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
15009 (define_attr "prefixed"): Update initializer.
15011 2021-03-31 Jakub Jelinek <jakub@redhat.com>
15014 * dwarf2out.c (debug_ranges_dwo_section): New variable.
15015 (DW_RANGES_IDX_SKELETON): Define.
15016 (struct dw_ranges): Add begin_entry and end_entry members.
15017 (DEBUG_DWO_RNGLISTS_SECTION): Define.
15018 (add_ranges_num): Adjust r initializer for addition of *_entry
15020 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
15021 set idx to DW_RANGES_IDX_SKELETON.
15022 (use_distinct_base_address_for_range): New function.
15023 (index_rnglists): Don't set r->idx if it is equal to
15024 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
15025 r->end_entry for -gsplit-dwarf if those will be needed by
15027 (output_rnglists): Add DWO argument. If true, switch to
15028 debug_ranges_dwo_section rather than debug_ranges_section.
15029 Adjust l1/l2 label indexes. Only output the offset table when
15030 dwo is true and don't include in there the skeleton range
15031 entry if present. For -gsplit-dwarf, skip ranges that belong
15032 to the other rnglists section. Change return type from void
15033 to bool and return true if there are any range entries for
15034 the other section. For dwarf_split_debug_info use
15035 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
15036 entries instead of DW_RLE_start_end, DW_RLE_start_length and
15037 DW_RLE_base_address. Use use_distinct_base_address_for_range.
15038 (init_sections_and_labels): Initialize debug_ranges_dwo_section
15039 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
15040 and range_base_label indexes.
15041 (dwarf2out_finish): Call index_rnglists earlier before finalizing
15042 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
15043 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
15044 with different dwo arguments.
15045 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
15047 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
15049 PR tree-optimization/98268
15050 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
15051 recompute_tree_invariant_for_addr_expr after successfully
15052 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
15054 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
15056 PR tree-optimization/99726
15057 * tree-data-ref.c (create_intersect_range_checks_index): Bail
15058 out if there is more than one access function SCEV for the loop
15061 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
15063 PR rtl-optimization/97141
15064 PR rtl-optimization/98726
15065 * emit-rtl.c (valid_for_const_vector_p): Return true for
15067 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
15068 poly_wide_int instead of a wide_int.
15069 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
15071 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
15072 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
15073 false for CONST_VECTORs that cannot be forced to memory.
15074 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
15075 is too complex to force to memory, build it up from individual
15078 2021-03-31 Jan Hubicka <jh@suse.cz>
15081 * cgraph.c (cgraph_node::release_body): Fix overactive check.
15083 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
15086 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
15089 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
15091 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
15092 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
15094 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
15095 "rep movsb/stosb" only for known sizes.
15096 * config/i386/i386-options.c (processor_cost_table): Use Ice
15097 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
15098 Rapids and Alder Lake.
15099 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
15100 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
15101 (icelake_memset): Likewise.
15102 (icelake_cost): Likewise.
15103 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
15106 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
15109 * config/aarch64/aarch64.c
15110 (aarch64_vectorize_preferred_vector_alignment): Query the size
15111 of the provided SVE vector; do not assume that all SVE vectors
15112 have the same size.
15114 2021-03-31 Jan Hubicka <jh@suse.cz>
15117 * cgraph.c (cgraph_node::release_body): Remove all callers and
15119 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
15120 * cgraphunit.c (cgraph_node::expand): And here.
15122 2021-03-31 Martin Liska <mliska@suse.cz>
15124 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
15125 and one negated condition.
15127 2021-03-31 Jakub Jelinek <jakub@redhat.com>
15128 Richard Sandiford <richard.sandiford@arm.com>
15131 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
15132 constraints on operands[2] and similarly 0 and rk constraints
15133 on operands[1] corresponding to that.
15135 2021-03-31 Jakub Jelinek <jakub@redhat.com>
15138 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
15139 linker doesn't support DWARF sections new in DWARF5.
15140 * config/i386/i386-options.c (ix86_option_override_internal): Default
15141 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
15143 * config.in: Regenerated.
15144 * configure: Regenerated.
15146 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15149 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
15150 available issue_info before using it.
15152 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15155 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
15158 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
15161 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
15162 (altivec_lvsl_reg_<mode>): ... this.
15163 (altivec_lvsr_reg): Change to ...
15164 (altivec_lvsr_reg_<mode>): ... this.
15165 * config/rs6000/predicates.md (vec_set_index_operand): New.
15166 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
15167 Enable 32bit variable vec_insert for all TARGET_VSX.
15168 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
15169 Enable 32bit variable vec_insert for p9 and above.
15170 (rs6000_expand_vector_set_var_p8): Rename to ...
15171 (rs6000_expand_vector_set_var_p7): ... this.
15172 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
15174 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
15175 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
15176 gen_altivec_lvsr_reg_di.
15178 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
15181 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
15182 (__rdtscp): Likewise.
15184 2021-03-30 Tamar Christina <tamar.christina@arm.com>
15186 PR tree-optimization/99825
15187 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
15188 Reject non-mult 2 lanes.
15190 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
15193 * config/arm/arm.c (arm_file_start): Fix emission of
15194 Tag_ABI_VFP_args attribute.
15196 2021-03-30 Richard Biener <rguenther@suse.de>
15198 PR tree-optimization/99824
15199 * stor-layout.c (set_min_and_max_values_for_integral_type):
15200 Assert the precision is within the bounds of
15201 WIDE_INT_MAX_PRECISION.
15202 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
15203 the outermost component ref only to lower the access size
15204 and initialize that from the access type.
15206 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
15209 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
15210 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
15212 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
15214 * config/aarch64/aarch64.md
15215 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
15216 attribute to disambiguate between SIMD and FP variants of the
15219 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
15221 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
15222 (analyze_ssa_name_flags): Fix typo in comment.
15224 2021-03-29 Alex Coplan <alex.coplan@arm.com>
15227 * config/aarch64/aarch64-sve-builtins.cc
15228 (function_builder::add_function): Add placeholder_p argument, use
15229 placeholder decls if this is set.
15230 (function_builder::add_unique_function): Instead of conditionally adding
15231 direct overloads, unconditionally add either a direct overload or a
15233 (function_builder::add_overloaded_function): Set placeholder_p if we're
15234 using C++ overloads. Use the obstack for string storage instead
15235 of relying on the tree nodes.
15236 (function_builder::add_overloaded_functions): Don't return early for
15237 m_direct_overloads: we need to add placeholders.
15238 * config/aarch64/aarch64-sve-builtins.h
15239 (function_builder::add_function): Add placeholder_p argument.
15241 2021-03-29 Richard Biener <rguenther@suse.de>
15243 PR tree-optimization/99807
15244 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
15245 assert below VEC_PERM handling.
15247 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15250 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
15251 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
15252 matching const_int 0.
15253 (move_lo_quad_internal_be_<mode>): Likewise.
15254 (move_lo_quad_<mode>): Update for the above.
15255 * config/aarch64/iterators.md (VQ_2E): Delete.
15257 2021-03-29 Jakub Jelinek <jakub@redhat.com>
15259 PR tree-optimization/99777
15260 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
15261 types other than scalar integral types.
15263 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
15265 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
15266 XCOFF TLS reloc decorations.
15268 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
15270 * doc/analyzer.texi (Analyzer Internals): Update link to
15271 "A Memory Model for Static Analysis of C Programs".
15273 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
15275 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
15276 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
15278 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
15279 (rs6000_special_round_type_align): Recursively check innermost first
15282 2021-03-26 Jakub Jelinek <jakub@redhat.com>
15285 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
15286 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
15287 assignment with drap_reg active, queue reg save for hfp with offset 0
15288 and flush queued reg saves. When handling a push with rule18,
15289 defer queueing reg save for hfp and just assert the offset is 0.
15290 (scan_trace): Assert that fde->rule18 is false.
15292 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
15295 * ira-costs.c (record_reg_classes): Put case with
15296 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
15297 * ira.c (ira_setup_alts): Ditto.
15298 * lra-constraints.c (process_alt_operands): Ditto.
15299 * recog.c (asm_operand_ok): Ditto.
15300 * reload.c (find_reloads): Ditto.
15302 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15304 * config/aarch64/aarch64-protos.h
15305 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
15306 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
15307 * config/aarch64/aarch64.c (generic_addrcost_table): Update
15308 accordingly, using the same costs as for post_modify.
15309 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
15310 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
15311 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
15312 (a64fx_addrcost_table): Likewise.
15313 (neoversev1_addrcost_table): New.
15314 (neoversev1_tunings): Use neoversev1_addrcost_table.
15315 (aarch64_address_cost): Use the new post_modify costs for CImode
15318 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15320 * config/aarch64/aarch64.opt
15321 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
15322 * doc/invoke.texi: Document it.
15323 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
15324 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
15325 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
15326 (aarch64_vec_issue_info): New structures.
15327 (cpu_vector_cost): Write comments above the variables rather
15329 (cpu_vector_cost::issue_info): New member variable.
15330 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
15331 and tree-ssa-loop-niter.h.
15332 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
15333 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
15334 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
15335 (thunderx3t110_vector_cost): Initialize issue_info to null.
15336 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
15337 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
15338 (neoversev1_vector_cost): Use them.
15339 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
15340 (aarch64_vector_costs::saw_sve_only_op): New member variable.
15341 (aarch64_vector_costs::num_vector_iterations): Likewise.
15342 (aarch64_vector_costs::scalar_ops): Likewise.
15343 (aarch64_vector_costs::advsimd_ops): Likewise.
15344 (aarch64_vector_costs::sve_ops): Likewise.
15345 (aarch64_vector_costs::seen_loads): Likewise.
15346 (aarch64_simd_vec_costs_for_flags): New function.
15347 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
15348 Count the number of predicate operations required by SVE WHILE
15350 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
15351 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
15352 (aarch64_count_ops): Likewise.
15353 (aarch64_add_stmt_cost): Record whether see an SVE operation
15354 that cannot currently be implementing using Advanced SIMD.
15355 Record issue information about the scalar, Advanced SIMD
15356 and (where relevant) SVE versions of a loop.
15357 (aarch64_vec_op_count::dump): New function.
15358 (aarch64_sve_op_count::dump): Likewise.
15359 (aarch64_estimate_min_cycles_per_iter): Likewise.
15360 (aarch64_adjust_body_cost): If issue information is available,
15361 try to compare the issue rates of the various loop implementations
15362 and increase or decrease the vector body cost accordingly.
15364 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15366 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
15367 Assume a zero cost for induction phis.
15369 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15371 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
15373 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
15374 vector comparisons.
15376 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15378 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
15380 (aarch64_add_stmt_cost): Call it.
15382 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15384 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
15385 New tuning parameter.
15386 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
15387 (aarch64_estimated_sve_vq): New function.
15388 (aarch64_vector_costs::analyzed_vinfo): New member variable.
15389 (aarch64_vector_costs::is_loop): Likewise.
15390 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
15391 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
15392 (aarch64_record_potential_advsimd_unrolling): New function.
15393 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
15394 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
15395 aarch64_analyze_bb_vinfo on the first use of a costs structure.
15396 Detect whether we're vectorizing a loop for SVE that might be
15397 completely unrolled if it used Advanced SIMD instead.
15398 (aarch64_adjust_body_cost_for_latency): New function.
15399 (aarch64_finish_cost): Call it.
15401 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15403 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
15404 (aarch64_init_cost): New function.
15405 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
15406 the default unsigned[3].
15407 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
15408 (TARGET_VECTORIZE_INIT_COST): Override.
15409 (TARGET_VECTORIZE_FINISH_COST): Likewise.
15410 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
15412 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15414 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
15415 (neoversev1_sve_vector_cost): New cost structures.
15416 (neoversev1_vector_cost): Likewise.
15417 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
15419 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15421 * config/aarch64/aarch64-protos.h
15422 (sve_vec_cost::scatter_store_elt_cost): New member variable.
15423 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
15424 accordingly, taking the cost from the cost of a scalar_store.
15425 (a64fx_sve_vector_cost): Likewise.
15426 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
15428 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15430 * config/aarch64/aarch64-protos.h
15431 (simd_vec_cost::store_elt_extra_cost): New member variable.
15432 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15433 accordingly, using the vec_to_scalar cost for the new field.
15434 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15435 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15436 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15437 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15438 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15439 (thunderx3t110_advsimd_vector_cost): Likewise.
15440 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
15442 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15444 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
15445 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
15446 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
15447 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15448 accordingly, using zero for the new costs.
15449 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15450 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15451 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15452 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15453 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15454 (thunderx3t110_advsimd_vector_cost): Likewise.
15455 (aarch64_ld234_st234_vectors): New function.
15456 (aarch64_adjust_stmt_cost): Likewise.
15457 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
15458 the new vector costs.
15460 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15462 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
15463 derived class of simd_vec_cost. Add information about CLAST[AB]
15464 and FADDA instructions.
15465 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
15466 accordingly, using the vec_to_scalar costs for the new fields.
15467 (a64fx_sve_vector_cost): Likewise.
15468 (aarch64_reduc_type): New function.
15469 (aarch64_sve_in_loop_reduction_latency): Likewise.
15470 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
15471 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
15472 that occur in the loop body.
15473 (aarch64_add_stmt_cost): Update call accordingly.
15475 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15477 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
15479 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
15480 above the fields rather than to the right.
15481 (simd_vec_cost::reduc_i8_cost): New member variable.
15482 (simd_vec_cost::reduc_i16_cost): Likewise.
15483 (simd_vec_cost::reduc_i32_cost): Likewise.
15484 (simd_vec_cost::reduc_i64_cost): Likewise.
15485 (simd_vec_cost::reduc_f16_cost): Likewise.
15486 (simd_vec_cost::reduc_f32_cost): Likewise.
15487 (simd_vec_cost::reduc_f64_cost): Likewise.
15488 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15489 accordingly, using the vec_to_scalar_cost for the new fields.
15490 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15491 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15492 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15493 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15494 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15495 (thunderx3t110_advsimd_vector_cost): Likewise.
15496 (aarch64_use_new_vector_costs_p): New function.
15497 (aarch64_simd_vec_costs): New function, split out from...
15498 (aarch64_builtin_vectorization_cost): ...here.
15499 (aarch64_is_reduction): New function.
15500 (aarch64_detect_vector_stmt_subtype): Likewise.
15501 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
15502 using the new vector costs.
15504 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15507 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
15508 TLS declarations as public.
15510 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15512 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
15513 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
15514 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
15515 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
15516 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
15517 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
15518 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
15519 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
15520 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
15522 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15525 * config.gcc (*-*-cygwin*): Add winnt-d.o
15526 (*-*-mingw*): Likewise.
15527 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
15528 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
15529 * config/i386/t-cygming: Add winnt-d.o.
15530 * config/i386/winnt-d.c: New file.
15532 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15534 * config/freebsd-d.c: Include memmodel.h.
15536 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15539 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
15540 * config/t-openbsd: Add openbsd-d.o.
15541 * config/openbsd-d.c: New file.
15543 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
15545 PR tree-optimization/96974
15546 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
15547 with graceful exit.
15549 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15552 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15556 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
15557 always_inline in system headers.
15559 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
15561 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
15563 2021-03-25 Jakub Jelinek <jakub@redhat.com>
15566 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
15567 * fold-const.c (operand_compare::operand_equal_p): Don't compare
15568 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
15570 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15574 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
15575 always_inline in system headers.
15577 2021-03-25 Richard Biener <rguenther@suse.de>
15579 PR tree-optimization/99746
15580 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
15581 the scalar stmt as patterned. Instead set up required things
15584 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
15586 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
15589 2021-03-24 Martin Liska <mliska@suse.cz>
15592 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
15594 * config/i386/i386-options.c (ix86_option_override_internal):
15595 Add run-time assert.
15597 2021-03-24 Martin Jambor <mjambor@suse.cz>
15600 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
15601 parameters with unknown type.
15602 (ipacp_value_safe_for_type): New function.
15603 (propagate_vals_across_arith_jfunc): Verify that the constant type
15604 can be used for a type of the formal parameter.
15605 (propagate_vals_across_ancestor): Likewise.
15606 (propagate_scalar_across_jump_function): Likewise. Pass the type
15607 also to propagate_vals_across_ancestor.
15609 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
15612 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
15614 (movmisalign<mode>_mve_load): Likewise.
15616 2021-03-24 Jakub Jelinek <jakub@redhat.com>
15619 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
15620 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
15622 2021-03-24 Alexandre Oliva <oliva@adacore.com>
15624 * doc/sourcebuild.texi (sysconf): New effective target.
15626 2021-03-24 Alexandre Oliva <oliva@adacore.com>
15628 * config/i386/predicates.md (reg_or_const_vec_operand): New.
15629 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
15630 the now *-prefixed insn_and_split, turn the splitter const vec
15631 into an input for the insn, making it an ignored immediate for
15632 non-split cases, and loaded into the scratch register
15635 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
15638 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
15639 Use define_relaxed_memory_constraint for them.
15641 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
15644 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
15645 colon to the diagnostic message.
15647 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
15649 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
15651 (try_fwprop_subst_note): Use set_info instead of insn_info.
15652 (try_fwprop_subst_pattern): Likewise.
15653 (try_fwprop_subst_notes): Likewise.
15654 (try_fwprop_subst): Likewise.
15655 (forward_propagate_subreg): Likewise.
15656 (forward_propagate_and_simplify): Likewise.
15657 (forward_propagate_into): Likewise.
15658 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
15660 (set_info::single_nondebug_insn_use): Likewise.
15661 (set_info::single_phi_use): Likewise.
15662 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
15664 (set_info::single_nondebug_insn_use): Likewise.
15665 (set_info::single_phi_use): Likewise.
15667 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
15669 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
15671 2021-03-23 Jakub Jelinek <jakub@redhat.com>
15674 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
15675 expand_mult to perform an unsigned rather than a signed
15678 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
15681 * config/i386/cpuid.h (__cpuid): Add __volatile__.
15682 (__cpuid_count): Likewise.
15684 2021-03-23 Richard Biener <rguenther@suse.de>
15686 PR tree-optimization/99721
15687 * tree-vect-slp.c (vect_slp_analyze_node_operations):
15688 Make sure we can schedule the node.
15690 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15692 * config/riscv/riscv.c (riscv_subword): Take endianness into
15693 account when calculating the byte offset.
15695 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15697 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
15698 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
15699 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
15700 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
15701 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
15702 new predicate "subreg_lowpart_operator"
15704 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15706 * config/riscv/riscv.c (riscv_swap_instruction): New function
15707 to byteswap an SImode rtx containing an instruction.
15708 (riscv_trampoline_init): Byteswap the generated instructions
15711 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15713 * common/config/riscv/riscv-common.c
15714 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
15715 * config.gcc (riscv32be-*, riscv64be-*): Set
15716 TARGET_BIG_ENDIAN_DEFAULT to 1.
15717 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
15718 depending on default endianness.
15719 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
15720 * config/riscv/linux.h (LINK_SPEC): Likewise.
15721 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
15722 default endianness.
15723 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
15725 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15727 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
15728 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
15729 * config/riscv/linux.h (LINK_SPEC): Likewise.
15730 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
15732 (BYTES_BIG_ENDIAN): Handle big endian.
15733 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
15734 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
15736 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
15738 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
15740 * regcprop.c (find_oldest_value_reg): Ask target whether
15741 different mode is fine for replacement register.
15743 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
15745 PR tree-optimization/99296
15746 * value-range.cc (irange::irange_set_1bit_anti_range): New.
15747 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
15748 * value-range.h (irange::irange_set_1bit_anti_range): New.
15750 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
15753 * config/aarch64/constraints.md (UtQ): Use
15754 define_relaxed_memory_constraint for it.
15755 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
15756 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15757 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
15758 (have_relaxed_memory_constraints): New static var.
15759 (relaxed_memory_start, relaxed_memory_end): Ditto.
15760 (add_constraint): Add arg is_relaxed_memory. Check name for
15761 relaxed memory. Set up is_relaxed_memory in constraint_data and
15762 have_relaxed_memory_constraints. Adjust calls.
15763 (choose_enum_order): Process relaxed memory.
15764 (write_tm_preds_h): Ditto.
15765 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15766 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15767 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
15768 * ira-lives.c (single_reg_class): Use
15769 insn_extra_relaxed_memory_constraint.
15770 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
15771 * lra-constraints.c (valid_address_p): Use
15772 insn_extra_relaxed_memory_constraint instead of other memory
15774 (process_alt_operands): Process CT_RELAXED_MEMORY.
15775 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
15776 * recog.c (asm_operand_ok, preprocess_constraints): Process
15778 * reload.c (find_reloads): Ditto.
15779 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
15780 * stmt.c (parse_input_constraint): Use
15781 insn_extra_relaxed_memory_constraint.
15783 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
15786 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
15789 2021-03-22 Alex Coplan <alex.coplan@arm.com>
15792 * config/arm/arm-protos.h (neon_make_constant): Add generate
15793 argument to guard emitting insns, default to true.
15794 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
15795 CONST_VECTORs which neon_make_constant can't handle.
15796 (neon_vdup_constant): Add generate argument, avoid emitting
15797 insns if it's not set.
15798 (neon_make_constant): Plumb new generate argument through.
15799 * config/arm/constraints.md (Ui): New. Use it...
15800 * config/arm/mve.md (*mve_mov<mode>): ... here.
15801 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
15802 synthesize constants.
15804 2021-03-22 Richard Biener <rguenther@suse.de>
15806 * debug.h: Add deprecation warning.
15808 2021-03-22 Richard Biener <rguenther@suse.de>
15810 PR tree-optimization/99694
15811 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
15814 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
15817 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
15818 after type checking.
15820 2021-03-22 Jakub Jelinek <jakub@redhat.com>
15824 * dwarf2out.c (get_full_len): Use get_precision rather than
15826 (add_const_value_attribute): Make sure add_AT_wide argument has
15827 precision prec rather than some very wide one.
15829 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
15831 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
15832 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
15833 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
15834 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
15835 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
15836 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
15837 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
15838 *fix_trunc<mode>si2_internal): Fix empty split condition.
15839 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
15840 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
15841 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
15842 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
15844 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
15847 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
15848 Convert idx to DImode.
15849 (rs6000_expand_vector_set_var_p8): Likewise.
15851 2021-03-21 Jakub Jelinek <jakub@redhat.com>
15854 * dwarf2out.c (insert_float): Change return type from void to
15855 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
15856 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
15859 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
15862 * config/i386/i386.c (construct_container): Check cfun != NULL
15863 before accessing silent_p.
15865 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
15867 * asan.c: Fix typos in comments.
15869 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
15871 PR rtl-optimization/99680
15872 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
15873 (process_address_1): Check empty constraint before using
15876 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
15878 * config/rs6000/rs6000.c (power10_cost): New.
15879 (rs6000_option_override_internal): Set Power10 costs.
15880 (rs6000_issue_rate): Set Power10 issue rate.
15881 * config/rs6000/power10.md: Rewrite for Power10.
15883 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
15886 * lra-constraints.c (process_address_1): Don't use unknown
15887 constraint for address constraint.
15889 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
15892 * config.gcc (powerpc-*-darwin8): Delete the reference to
15893 the now removed darwin8.h.
15895 2021-03-19 Olivier Hainque <hainque@adacore.com>
15898 * config/vxworksae.h (VX_CPU_PREFIX): Define.
15900 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
15902 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
15904 2021-03-19 Tamar Christina <tamar.christina@arm.com>
15906 PR tree-optimization/99656
15907 * tree-vect-slp-patterns.c (linear_loads_p,
15908 complex_add_pattern::matches, is_eq_or_top,
15909 vect_validate_multiplication, complex_mul_pattern::matches,
15910 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
15911 * tree-vectorizer.h: (complex_load_perm_t): Removed.
15912 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
15913 complex_load_perm_t.
15915 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
15918 * config/i386/i386-options.c (ix86_init_machine_status): Set
15920 * config/i386/i386.c (init_cumulative_args): Set silent_p to
15922 (construct_container): Return early for return and argument
15923 errors if silent_p is true.
15924 * config/i386/i386.h (machine_function): Add silent_p.
15926 2021-03-19 Jakub Jelinek <jakub@redhat.com>
15929 * config/arm/constraints.md (Ds): New constraint.
15930 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
15931 constraint instead of w,Dm.
15933 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
15935 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
15938 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
15940 PR middle-end/99641
15941 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
15942 array type, do the computation of the current position in sizetype.
15944 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
15947 * lra-constraints.c (process_address_1): Use lookup_constraint
15948 only for a single constraint.
15950 2021-03-18 Martin Sebor <msebor@redhat.com>
15952 PR middle-end/99502
15953 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
15954 (inbounds_memaccess_p): ...to this. Check the ending offset of
15955 the accessed member.
15957 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
15959 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
15960 %> quote markers to error messages.
15961 (gcn_goacc_validate_dims): Likewise.
15962 (gcn_conditional_register_usage): Remove exclaimation mark from error
15964 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
15966 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
15968 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
15971 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
15972 Kito Cheng <kito.cheng@sifive.com>
15974 * config/riscv/riscv.c (riscv_block_move_straight): Change type
15975 to unsigned HOST_WIDE_INT for parameter and local variable with
15976 HOST_WIDE_INT type.
15977 (riscv_adjust_block_mem): Ditto.
15978 (riscv_block_move_loop): Ditto.
15979 (riscv_expand_block_move): Ditto.
15981 2021-03-18 Nick Clifton <nickc@redhat.com>
15983 * config/v850/v850.c (construct_restore_jr): Increase static
15985 (construct_save_jarl): Likewise.
15986 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
15988 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15990 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
15991 (aarch64_override_options_internal): Use it.
15992 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
15995 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
15997 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
15998 error message format issues.
15999 (nios2_option_override): Likewise.
16000 (nios2_expand_fpu_builtin): Likewise.
16001 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
16002 truncation warning.
16003 (nios2_expand_custom_builtin): More error message format fixes.
16004 (nios2_expand_rdwrctl_builtin): Likewise.
16005 (nios2_expand_rdprs_builtin): Likewise.
16006 (nios2_expand_eni_builtin): Likewise.
16007 (nios2_expand_builtin): Likewise.
16008 (nios2_register_custom_code): Likewise.
16009 (nios2_valid_target_attribute_rec): Likewise.
16010 (nios2_add_insn_asm): Fix uninitialized variable warning.
16012 2021-03-17 Jan Hubicka <jh@suse.cz>
16014 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
16015 of gather to match reality.
16016 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
16018 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16020 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
16021 to compare against CC_REG rather than NE.
16023 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
16026 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
16027 inline assembly statements.
16028 (ix86_print_operand): Update 'P' handling for -fno-plt.
16030 2021-03-17 Tamar Christina <tamar.christina@arm.com>
16033 * config/aarch64/aarch64.c
16034 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
16036 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
16039 * config/rs6000/predicates.md (branch_comparison_operator): Allow
16040 ordered and unordered for CCFPmode, if flag_finite_math_only.
16042 2021-03-16 Jakub Jelinek <jakub@redhat.com>
16045 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
16046 rather than ASHIFT.
16047 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
16049 2021-03-16 Martin Liska <mliska@suse.cz>
16052 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
16053 cl_optimization_compare function.
16055 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
16057 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
16060 2021-03-16 Jakub Jelinek <jakub@redhat.com>
16063 * config/i386/i386.h (struct machine_function): Add
16064 has_explicit_vzeroupper bitfield.
16065 * config/i386/i386-expand.c (ix86_expand_builtin): Set
16066 cfun->machine->has_explicit_vzeroupper when expanding
16067 IX86_BUILTIN_VZEROUPPER.
16068 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
16069 Do the mode switching only when TARGET_VZEROUPPER, expensive
16070 optimizations turned on and not optimizing for size.
16071 (pass_insert_vzeroupper::gate): Enable even when
16072 cfun->machine->has_explicit_vzeroupper is set.
16074 2021-03-16 Jakub Jelinek <jakub@redhat.com>
16077 * config/aarch64/aarch64.c
16078 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
16079 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
16080 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
16082 2021-03-15 Richard Biener <rguenther@suse.de>
16084 PR tree-optimization/98834
16085 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
16086 subsetting by truncating the access size.
16088 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
16090 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
16091 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
16094 2021-03-15 Martin Liska <mliska@suse.cz>
16096 * spellcheck.c: Add missing comma in initialization.
16098 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
16100 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
16101 alternative 2 and alternative 1 with alternative 3 using
16102 YW register constraint.
16103 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
16104 using YW register constraint.
16105 (*vec_extractv16qi_zext): Ditto.
16106 (*vec_extractv4si): Merge alternatives 4 and 5
16107 using Yw register constraint.
16108 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
16110 2021-03-13 Martin Sebor <msebor@redhat.com>
16112 PR tree-optimization/99489
16113 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
16114 is not a call statement.
16116 2021-03-13 Jakub Jelinek <jakub@redhat.com>
16118 PR tree-optimization/99544
16119 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
16120 if for vector types multiplication can't be done in type's mode.
16122 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
16125 * config/sparc/constraints.md (w): Rename to...
16126 (W): ... this and ditch previous implementation.
16127 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
16128 (*movdf_insn_sp64): Likewise.
16129 (*mov<VM64:mode>_insn_sp64): Likewise.
16130 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
16132 (atomic_compare_and_swap_leon3_1): Likewise.
16133 (*atomic_compare_and_swapdi_v8plus): Likewise.
16134 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
16135 architecture and add missing address validity check during LRA.
16137 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
16140 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
16141 occuring for assumed-size arrays in use_device_{ptr,addr}.
16143 2021-03-12 Jakub Jelinek <jakub@redhat.com>
16146 * config/i386/constraints.md (YW): New internal constraint.
16147 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
16148 (*<sse2_avx2>_<insn><mode>3<mask_name>,
16149 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
16150 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
16152 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
16153 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
16154 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
16155 into one, use Yw instead of former x,v.
16156 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
16157 the last alternative.
16158 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
16159 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
16160 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
16161 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
16162 into one, use <v_Yw> instead of former x,v.
16163 (avx2_interleave_highv32qi<mask_name>,
16164 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
16165 constraints. Add && <mask_avx512bw_condition> to condition.
16166 (avx2_interleave_lowv32qi<mask_name>,
16167 vec_interleave_lowv16qi<mask_name>,
16168 avx2_interleave_highv16hi<mask_name>,
16169 vec_interleave_highv8hi<mask_name>,
16170 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
16171 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
16172 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
16173 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
16174 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
16175 Yw instead of v in constraints.
16176 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
16177 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
16178 instead of Yv in constraints.
16179 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
16180 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
16181 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
16182 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
16183 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
16185 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
16186 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
16187 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
16188 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
16189 two, one with just x, another isa avx512vl with v.
16191 2021-03-12 Martin Liska <mliska@suse.cz>
16193 * doc/invoke.texi: Add missing param documentation.
16195 2021-03-11 David Malcolm <dmalcolm@redhat.com>
16198 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
16199 analyzer/trimmed-graph.o.
16200 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
16201 feasibility checking to reflect new implementation.
16202 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
16204 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
16206 2021-03-11 David Malcolm <dmalcolm@redhat.com>
16208 * digraph.cc (selftest::test_shortest_paths): Update
16209 shortest_paths init for new param. Add test of
16210 SPS_TO_GIVEN_TARGET.
16211 * shortest-paths.h (enum shortest_path_sense): New.
16212 (shortest_paths::shortest_paths): Add "sense" param.
16213 Update for renamings. Generalize to use "sense" param.
16214 (shortest_paths::get_shortest_path): Rename param.
16215 (shortest_paths::m_sense): New field.
16216 (shortest_paths::m_prev): Rename...
16217 (shortest_paths::m_best_edge): ...to this.
16218 (shortest_paths::get_shortest_path): Update for renamings.
16219 Conditionalize flipping of path on sense of traversal.
16221 2021-03-11 David Malcolm <dmalcolm@redhat.com>
16223 * digraph.cc (selftest::test_shortest_paths): Add test coverage
16224 for paths from B and C.
16225 * shortest-paths.h (shortest_paths::shortest_paths): Handle
16226 unreachable nodes, rather than asserting.
16228 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
16231 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
16232 xcoff_tbss_section_name.
16233 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
16234 * xcoffout.c (xcoff_tbss_section_name): Delete.
16235 * xcoffout.h (xcoff_tbss_section_name): Delete.
16237 2021-03-11 Richard Biener <rguenther@suse.de>
16239 PR tree-optimization/99523
16240 * tree-cfg.c (dump_function_to_file): Dump SSA names
16241 w/o identifier to the decls section as well, not only those
16242 without a VAR_DECL.
16244 2021-03-11 Jakub Jelinek <jakub@redhat.com>
16247 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
16248 function calls with lhs fail if the lhs don't have compatible types.
16250 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
16252 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
16253 Change FRAME_POINTER_REGNUM to correspond to a new faked
16254 register faked_fp, part of GENNONACR_REGS like faked_ap.
16255 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
16256 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
16257 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
16258 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
16259 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
16261 (CRIS_REAL_FP_REGNUM): New constant.
16262 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
16263 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
16264 (cris_initial_elimination_offset): Handle elimination changes
16265 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
16266 and add one from FRAME_POINTER_REGNUM to
16267 HARD_FRAME_POINTER_REGNUM.
16268 (cris_expand_prologue, cris_expand_epilogue): Emit code for
16269 hard_frame_pointer_rtx instead of frame_pointer_rtx.
16271 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
16274 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
16275 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
16277 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
16280 * lra-constraints.c (process_address_1): Don't check unknown
16281 constraint, use X for empty constraint.
16283 2021-03-10 Alex Coplan <alex.coplan@arm.com>
16285 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
16286 Fix typo in comment describing "is_ha" argument.
16288 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
16290 * doc/sourcebuild.texi: Document LRA target selector.
16292 2021-03-10 David Malcolm <dmalcolm@redhat.com>
16294 * doc/ux.texi: Add subsection contrasting interactive versus
16295 batch usage of GCC.
16297 2021-03-10 Joel Hutton <joel.hutton@arm.com>
16300 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
16302 (vectorizable_load): Fix gather load mask check condition.
16304 2021-03-10 Richard Biener <rguenther@suse.de>
16306 PR tree-optimization/99510
16307 * tree.c (check_aligned_type): Check that the candidate
16308 has TYPE_USER_ALIGN set instead of matching with the
16311 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
16313 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
16314 float and vector integer modes only if the mode is not larger.
16316 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
16318 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
16320 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
16322 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
16324 * ira-lives.c (single_reg_class): Ditto.
16326 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
16328 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
16329 the architecture-specific rtems.h.
16330 (aarch64-*-rtems*): Likewise.
16331 (arm*-*-rtems*): Likewise.
16332 (epiphany-*-rtems*): Likewise.
16333 (riscv*-*-rtems*): Likewise.
16335 2021-03-09 Jakub Jelinek <jakub@redhat.com>
16337 PR tree-optimization/99305
16338 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
16339 before integer_all_onesp instead of vice versa.
16341 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
16343 * common/config/arm/arm-common.c (arm_config_default): Change type
16344 of 'i' to unsigned.
16346 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
16349 * lra-constraints.c (process_address_1): Process constraint 'g'
16350 separately and digital constraints containing more one digit.
16352 2021-03-09 Nick Clifton <nickc@redhat.com>
16354 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
16355 (DWARF"_DEBUGGING_INFO): Define.
16357 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
16360 * calls.c (initialize_argument_information): When the argument
16361 is passed by reference, do not make a copy in a thunk only if
16362 the argument is already in memory. Remove redundant test for
16363 the case of callee copy.
16365 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
16368 * lra-constraints.c (process_address_1): Process 0..9 constraints
16369 in process_address_1.
16371 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
16373 * config/s390/s390.c (struct s390_processor processor_table):
16374 Binutils name string must not be empty.
16376 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
16378 * config/arc/arc.c (arc_attr_type): Remove function.
16380 2021-03-09 Martin Liska <mliska@suse.cz>
16383 * config/i386/i386-options.c (ix86_option_override_internal):
16384 Set isa_flags for OPTS argument and not for the global
16387 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
16389 * config/rs6000/predicates.md (ds_form_mem_operand): Check
16392 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
16395 * config/rs6000/predicates.md (ds_form_mem_operand) New
16397 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
16398 ds_form_mem_operand in ld/lwa patterns.
16399 * config/rs6000/fusion.md: Regenerate file.
16401 2021-03-08 Martin Sebor <msebor@redhat.com>
16403 PR middle-end/98266
16404 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
16405 (array_bounds_checker::check_array_bounds): Call it.
16407 2021-03-08 Martin Sebor <msebor@redhat.com>
16409 PR middle-end/97631
16410 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
16411 (handle_builtin_stxncpy_strncat): Rename locals. Determine
16412 destination size from allocation calls. Issue a more appropriate
16414 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
16415 (handle_builtin_memset): Same.
16417 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
16420 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
16421 to ensure we do not have an Altivec style address.
16422 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
16423 an Altivec style address.
16424 (*vsx_le_perm_store_<mode>): Likewise.
16425 (splitters after *vsx_le_perm_store_<mode>): Likewise.
16426 (vsx_load_<mode>): Disable special expander if passed an Altivec
16428 (vsx_store_<mode>): Likewise.
16430 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16433 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
16434 (aarch64_simd_shift_imm_vec_hi): Likewise.
16435 (aarch64_simd_shift_imm_vec_si): Likewise.
16436 (aarch64_simd_shift_imm_vec_di): Likewise.
16437 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
16438 predicate from above.
16439 (aarch64_shrn<mode>_insn_be): Likewise.
16440 (aarch64_rshrn<mode>_insn_le): Likewise.
16441 (aarch64_rshrn<mode>_insn_be): Likewise.
16442 (aarch64_shrn2<mode>_insn_le): Likewise.
16443 (aarch64_shrn2<mode>_insn_be): Likewise.
16444 (aarch64_rshrn2<mode>_insn_le): Likewise.
16445 (aarch64_rshrn2<mode>_insn_be): Likewise.
16447 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
16450 * lra-constraints.c (skip_contraint_modifiers): New function.
16451 (process_address_1): Use it before lookup_constraint call.
16453 2021-03-08 Martin Liska <mliska@suse.cz>
16456 * config/i386/i386-options.c (ix86_option_override_internal):
16457 Enable UINTR and HRESET for -march that supports it.
16459 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
16461 * config/s390/s390.c (f_constraint_p): New function.
16462 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
16463 (TARGET_MD_ASM_ADJUST): Likewise.
16465 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
16468 * tree-nested.c (convert_local_reference_stmt): Avoid calling
16469 lookup_field_for_decl for Fortran module (= namespace context).
16471 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
16473 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
16474 comparison with arithmetic right shift.
16475 (s390_expand_vcond): No need for a force_reg anymore.
16476 s390_vec_compare will do it.
16477 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
16478 immediate operands.
16480 2021-03-07 Jakub Jelinek <jakub@redhat.com>
16483 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
16484 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
16486 * config/i386/sse.md (v_Yw): New define_mode_attr.
16487 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
16488 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
16490 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
16491 xYw in constraints.
16493 2021-03-06 Julian Brown <julian@codesourcery.com>
16495 * tree-pretty-print.c (dump_generic_node): Emit non-generic
16496 address space info for aggregates.
16498 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
16500 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
16502 2021-03-05 Jakub Jelinek <jakub@redhat.com>
16504 PR middle-end/99322
16505 * tree-cfg.c (bb_to_omp_idx): New variable.
16506 (execute_build_cfg): Release the bb_to_omp_idx vector after
16507 cleanup_tree_cfg returns.
16508 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
16509 for bb_to_omp_idx being a vec<int> instead of pointer to array
16511 (make_edges): Remove bb_to_omp_idx local variable, don't pass
16512 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
16513 vec<int> instead of pointer to array of ints and don't free/release
16515 (remove_bb): When removing a bb and placing forced label somewhere
16516 else, ensure it is put into the same OpenMP region during cfg
16517 pass if possible or to entry successor as fallback. Unregister
16518 bb from bb_to_omp_idx.
16520 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
16523 * lra-constraints.c (process_address_1): Skip decomposing address
16524 for asm insn operand with unknown constraint.
16526 2021-03-05 Martin Jambor <mjambor@suse.cz>
16529 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
16530 corresponding speculative edges if we are about to resolve
16531 sepculation. Make edge direct (and so resolve speculations) before
16532 removing it from call_site_hash.
16533 (cgraph_edge::make_direct): Relax the initial assert to allow calling
16534 the function on speculative direct edges.
16536 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
16538 PR rtl-optimization/99376
16539 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
16540 of low-order zero bits is too large, set the result to 0 directly.
16542 2021-03-04 Jakub Jelinek <jakub@redhat.com>
16544 PR middle-end/93235
16545 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
16546 SUBREG and a SUBREG to op_mode can't be created.
16548 2021-03-04 Alex Coplan <alex.coplan@arm.com>
16551 * config/aarch64/aarch64-sve-builtins.cc
16552 (function_resolver::require_vector_type): Handle error_mark_node.
16554 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
16556 * cfgexpand.c (expand_asm_loc): Pass new parameter.
16557 (expand_asm_stmt): Likewise.
16558 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
16560 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
16561 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
16562 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
16563 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
16564 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
16565 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
16566 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
16567 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
16568 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
16569 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
16570 * doc/tm.texi (md_asm_adjust): Likewise.
16571 * target.def (md_asm_adjust): Likewise.
16573 2021-03-04 Richard Biener <rguenther@suse.de>
16575 PR middle-end/97855
16576 * tree-pretty-print.c: Poison pp_printf.
16577 (dump_decl_name): Avoid use of pp_printf.
16578 (dump_block_node): Likewise.
16579 (dump_generic_node): Likewise.
16581 2021-03-04 Martin Sebor <msebor@redhat.com>
16583 PR middle-end/96963
16584 PR middle-end/94655
16585 * builtins.c (handle_array_ref): New helper.
16586 (handle_mem_ref): New helper.
16587 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
16588 into new helper functions. Correct a workaround for vectorized
16591 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
16593 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
16594 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
16595 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
16596 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
16597 attribute for Power10.
16598 * config/rs6000/mma.md (*movoo): Likewise.
16599 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
16600 (define_mode_attr bits): Add DD/TD modes.
16601 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
16602 store_conditionalpti): Update size attribute for Power10.
16604 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
16607 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
16608 -Wuninitialized, -Wmaybe-uninitialized.
16609 (wide-int.o-warn): Likewise.
16611 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
16613 * common/config/arm/arm-common.c: Include configargs.h.
16614 (arm_config_default): New function.
16615 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
16616 processors that do not support Thumb. Take into account the
16617 --with-mode configuration setting for selecting the default.
16618 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
16619 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
16621 2021-03-03 Martin Liska <mliska@suse.cz>
16623 PR gcov-profile/97461
16624 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
16626 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
16629 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
16630 point back the hard frame pointer to its default location when the
16631 frame is larger than SEH_MAX_FRAME_SIZE.
16633 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16636 * config/i386/predicates.md (logic_operator): New define_predicate.
16637 * config/i386/i386.md (mov + mem using comm arith peephole2):
16638 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
16639 and the inner mode is [QH]Imode.
16641 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16644 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
16645 (new_loc_list): Clear end_entry.
16646 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
16647 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
16649 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
16650 initialize also end_entry.
16652 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16655 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
16656 partitions, if in non-layout mode after reorder_blocks also move
16657 affected blocks to ensure a single partition transition.
16659 2021-03-03 Jason Merrill <jason@redhat.com>
16662 * cgraphunit.c (process_function_and_variable_attributes): Don't
16663 warn about flatten on an alias if the target also has it.
16664 * cgraph.h (symtab_node::get_alias_target_tree): New.
16666 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
16668 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
16669 period to symbol name.
16670 (tls_get_addr_internal<mode>): Same.
16672 2021-03-02 David Malcolm <dmalcolm@redhat.com>
16675 * diagnostic-show-locus.c
16676 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
16679 2021-03-02 Martin Sebor <msebor@redhat.com>
16681 PR middle-end/99276
16682 * builtins.c (warn_for_access): Remove stray warning text.
16684 2021-03-02 Martin Sebor <msebor@redhat.com>
16686 PR middle-end/99295
16687 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
16690 2021-03-02 Jakub Jelinek <jakub@redhat.com>
16693 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
16694 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
16695 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
16696 DW_MACRO_define_strx and DW_MACRO_undef_strx.
16697 (save_macinfo_strings): Use DW_MACRO_*_str* even with
16698 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
16699 DW_MACRO_undef_strx.
16701 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
16703 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
16705 (BT_FN_V8HI_V8HI_UINT): Likewise.
16706 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
16707 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
16708 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
16709 New builtin definitions.
16710 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
16711 vector extension version.
16712 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
16713 available with current -march level.
16714 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
16715 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
16716 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
16717 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
16718 (vec_extend_to_fp32_lo): Likewise.
16719 (vec_round_from_fp32): Likewise.
16720 (vec_convert_to_fp16): Likewise.
16721 (vec_convert_from_fp16): Likewise.
16722 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
16723 (vclfnls_v8hi): Likewise.
16724 (vcrnfs_v8hi): Likewise.
16725 (vcfn_v8hi): Likewise.
16726 (vcnf_v8hi): Likewise.
16728 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
16730 * common/config/s390/s390-common.c (processor_flags_table): New entry.
16731 * config.gcc: Enable arch14 for --with-arch and --with-tune.
16732 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
16733 arch14 for unknown CPU models.
16734 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
16735 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
16736 (s390_get_sched_attrmask): Likewise.
16737 (s390_get_unit_mask): Likewise.
16738 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
16739 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
16740 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
16741 (TARGET_NNPA_P): New macro definitions.
16742 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
16743 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
16745 2021-03-02 Jakub Jelinek <jakub@redhat.com>
16747 PR middle-end/95757
16748 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
16749 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
16750 != 1 comparisons if name is lhs of a comparison.
16752 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
16756 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
16757 * config/darwin.c (darwin_should_restore_cfa_state): New.
16758 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
16759 * doc/tm.texi: Regenerated.
16760 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
16761 * dwarf2cfi.c (connect_traces): If the target requests, restore
16762 the CFA expression after a DW_CFA_restore.
16763 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
16765 2021-03-01 Martin Liska <mliska@suse.cz>
16768 * optc-save-gen.awk: Add 4 more exceptions.
16770 2021-03-01 Nathan Sidwell <nathan@acm.org>
16773 * tree.h (TYPE_ALIGN_RAW): New accessor.
16774 (TYPE_ALIGN): Use it.
16776 2021-03-01 Jan Hubicka <jh@suse.cz>
16779 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
16781 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
16784 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
16785 point the hard frame pointer to the SSE register save area instead
16786 of the general register save area. Perform only minimal adjustment
16787 for small frames if it is initially not correctly aligned.
16788 (ix86_expand_prologue): Remove early saves for a SEH target.
16789 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
16791 2021-02-28 Jakub Jelinek <jakub@redhat.com>
16794 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
16795 typo - referneced -> referenced.
16796 * tree.c (component_ref_size): Fix comment typo -
16797 refernce -> reference.
16798 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
16799 traling -> trailing.
16800 (aliasing_component_refs_p): Fix comment typos -
16801 refernce -> reference and refernece -> reference and
16802 traling -> trailing.
16803 (nonoverlapping_refs_since_match_p): Fix comment typo -
16804 referneces -> references.
16805 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
16806 referneces -> references.
16808 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
16810 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
16811 diagnostic message to avoid use of a contraction and format
16814 2021-02-27 Jakub Jelinek <jakub@redhat.com>
16817 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
16818 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
16819 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
16820 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
16823 2021-02-26 Richard Biener <rguenther@suse.de>
16825 PR middle-end/99281
16826 * expr.c (store_field): For calls with return-slot optimization
16827 and addressable return type expand the store directly.
16829 2021-02-26 Richard Biener <rguenther@suse.de>
16832 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
16834 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
16837 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
16840 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
16842 * config.gcc: Add rs6000-pcrel-opt.o.
16843 * config/rs6000/rs6000-pcrel-opt.c: New file.
16844 * config/rs6000/pcrel-opt.md: New file.
16845 * config/rs6000/predicates.md: Add d_form_memory predicate.
16846 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
16847 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
16848 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
16849 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
16850 and make_pass_pcrel_opt().
16851 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
16852 (rs6000_option_override_internal): Add pcrel-opt.
16853 (rs6000_delegitimize_address): Support pcrel-opt.
16854 (rs6000_opt_masks): Add pcrel-opt.
16855 (pcrel_opt_valid_mem_p): New function.
16856 (reg_to_non_prefixed): Make global.
16857 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
16858 (output_pcrel_opt_reloc): New function.
16859 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
16860 (pcrel_extern_addr): Set loads_extern_addr.
16861 Add include for pcrel-opt.md.
16862 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
16863 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
16866 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
16869 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
16870 If TARGET_64BIT and dest is SUBREG, we check the width, if it
16871 equal to SImode, we use SImode operation, just like what we are
16874 2021-02-26 Marek Polacek <polacek@redhat.com>
16876 * builtins.c (warn_for_access): Fix typos.
16878 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
16880 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
16881 mark in front of the immediate quantity.
16882 (<optab>_rolsi3_uxtw): Likewise.
16884 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
16887 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
16888 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
16889 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
16890 address and disable when the FPCXT is not available.
16891 (nonsecure_call_value_reg_thumb2): Likewise.
16893 2021-02-25 Nathan Sidwell <nathan@acm.org>
16896 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
16898 2021-02-25 Tamar Christina <tamar.christina@arm.com>
16900 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
16902 2021-02-25 Richard Biener <rguenther@suse.de>
16904 PR tree-optimization/99253
16905 * tree-vect-loop.c (check_reduction_path): First compute
16906 code, then verify out-of-loop uses.
16908 2021-02-25 Jakub Jelinek <jakub@redhat.com>
16911 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
16913 2021-02-25 Jakub Jelinek <jakub@redhat.com>
16915 PR tree-optimization/80635
16916 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
16917 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
16918 has mode precision.
16920 2021-02-25 Richard Biener <rguenther@suse.de>
16922 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
16923 load_map population.
16924 (vect_match_slp_patterns_2): Revert part of last change.
16925 (vect_analyze_slp): Do not interleave optimize_load_redistribution
16926 with pattern detection but do it afterwards. Dump the
16927 whole SLP graph after pattern recognition and load
16928 redistribution optimization finished.
16930 2021-02-24 Jakub Jelinek <jakub@redhat.com>
16933 * omp-low.c (struct omp_context): Add teams_nested_p and
16934 nonteams_nested_p members.
16935 (scan_omp_target): Diagnose teams nested inside of target with other
16936 directives strictly nested inside of the same target.
16937 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
16938 ctx->nonteams_nested_p as needed.
16940 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
16942 PR inline-asm/99123
16943 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
16945 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
16947 * config/cris/cris.c (cris_expand_prologue): Set
16948 current_function_static_stack_size, if flag_stack_usage_info.
16950 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
16952 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
16953 (rs6000_final_prescan_insn): Adjust.
16954 (rs6000_asm_output_opcode): Likewise.
16956 2021-02-24 Martin Sebor <msebor@redhat.com>
16958 PR middle-end/97172
16959 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
16960 from function arguments.
16962 2021-02-24 Tamar Christina <tamar.christina@arm.com>
16964 PR tree-optimization/99220
16965 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
16966 node from cache when it's about to be deleted.
16968 2021-02-24 Jakub Jelinek <jakub@redhat.com>
16970 PR tree-optimization/99225
16971 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
16972 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
16973 build_int_cst (..., 1). Formatting fixes.
16975 2021-02-24 Tamar Christina <tamar.christina@arm.com>
16977 PR tree-optimization/99149
16978 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
16980 (vect_slp_reset_pattern): Remove.
16981 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
16982 (complex_mul_pattern::build, complex_fma_pattern::build,
16983 complex_fms_pattern::build): Fix ref counts.
16984 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
16985 when node is being deleted.
16986 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
16987 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
16989 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
16991 2021-02-24 Matthias Klose <doko@ubuntu.com>
16994 2020-12-07 Matthias Klose <doko@ubuntu.com>
16996 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
16997 and ENABLE_RTL_FLAG_CHECKING.
16999 2021-02-24 Richard Biener <rguenther@suse.de>
17002 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
17004 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
17006 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
17007 (vsx_assemble_pair): ...to this.
17008 (*mma_assemble_pair): Rename from this...
17009 (*vsx_assemble_pair): ...to this.
17010 (mma_disassemble_pair): Rename from this...
17011 (vsx_disassemble_pair): ...to this.
17012 (*mma_disassemble_pair): Rename from this...
17013 (*vsx_disassemble_pair): ...to this.
17014 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
17015 BU_COMPAT): New macros.
17016 (mma_assemble_pair): Rename from this...
17017 (vsx_assemble_pair): ...to this.
17018 (mma_disassemble_pair): Rename from this...
17019 (vsx_disassemble_pair): ...to this.
17020 (mma_assemble_pair): New compatibility built-in.
17021 (mma_disassemble_pair): Likewise.
17022 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
17023 (RS6000_BUILTIN_COMPAT): Define.
17024 (bdesc_compat): New.
17025 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
17026 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
17027 and VSX_BUILTIN_ASSEMBLE_PAIR.
17028 (rs6000_init_builtins): Register compatibility built-ins.
17029 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
17030 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
17031 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
17032 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
17033 (__builtin_vsx_assemble_pair): ...to this.
17034 (__builtin_mma_disassemble_pair): Rename from this...
17035 (__builtin_vsx_disassemble_pair): ...to this.
17037 2021-02-23 Martin Liska <mliska@suse.cz>
17040 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
17041 with different alignment. That leads to an invalid red zone
17042 size allocated in runtime.
17044 2021-02-23 Jakub Jelinek <jakub@redhat.com>
17046 PR tree-optimization/99204
17047 * fold-const.c (fold_read_from_constant_string): Check that
17048 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
17050 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
17051 Kewen Lin <linkw@gcc.gnu.org>
17053 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
17054 (rotl<mode>3_insert_3): ...this.
17055 (plus_ior_xor): New code_iterator.
17056 (define_split for GPR rl*imi): New splitter.
17057 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
17058 for integer merging.
17060 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17062 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
17064 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
17065 into a register when the above is enabled.
17066 * config/aarch64/aarch64.c (neoversev1_tunings):
17067 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
17068 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
17070 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
17072 * config/cris/cris.c (cris_print_operand) <'T'>: Change
17073 valid operand from is now an addi mult-value to shift-value.
17074 * config/cris/cris.md (*addi): Change expression of scaled
17075 operand from mult to ashift.
17076 * config/cris/cris.md (*addi_reload): New insn_and_split.
17078 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
17081 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
17082 hook_bool_const_tree_hwi_hwi_const_tree_true.
17083 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
17085 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
17087 PR rtl-optimization/98791
17088 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
17089 for unordered modes.
17091 2021-02-22 Martin Liska <mliska@suse.cz>
17093 * tree-inline.c (inline_forbidden_p): Set
17094 inline_forbidden_reason.
17096 2021-02-22 Richard Biener <rguenther@suse.de>
17098 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
17101 2021-02-22 Richard Biener <rguenther@suse.de>
17103 PR tree-optimization/99165
17104 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
17105 Accumulate changed to ret.
17107 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
17110 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
17112 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
17114 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
17117 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
17119 (trunctf<DFP_ALL:mode>2): Likewise.
17120 (trunctdtf2_vr): Likewise.
17121 (trunctdtf2): Likewise.
17122 (extend<DFP_ALL:mode>tf2_vr): Likewise.
17123 (extend<DFP_ALL:mode>tf2): Likewise.
17124 (extendtftd2_vr): Likewise.
17125 (extendtftd2): Likewise.
17127 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
17129 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
17130 add memory alternative.
17131 (tf_to_fprx2): New pattern.
17133 2021-02-19 Martin Sebor <msebor@redhat.com>
17136 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
17137 (attr_access::free_lang_data): Remove a spurious test.
17139 2021-02-19 Nathan Sidwell <nathan@acm.org>
17141 * doc/invoke.texi (flang-info-module-read): Document.
17143 2021-02-19 Martin Liska <mliska@suse.cz>
17145 PR translation/99167
17146 * params.opt: Fix typo.
17148 2021-02-19 Richard Biener <rguenther@suse.de>
17150 PR middle-end/99122
17151 * tree-inline.c (inline_forbidden_p): Do not inline functions
17152 with VLA arguments or return value.
17154 2021-02-19 Jakub Jelinek <jakub@redhat.com>
17157 * config/arm/arm.md (*stack_protect_combined_set_insn,
17158 *stack_protect_combined_test_insn): If force_const_mem result
17159 is not valid general operand, force its address into the destination
17162 2021-02-19 Jakub Jelinek <jakub@redhat.com>
17165 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
17166 pad or non-local label, put FORCED_LABELs from bb b after that label
17167 rather than before it.
17169 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
17172 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
17173 expand_vector_broadcast' to emit the vec_duplicate operand.
17175 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
17177 PR rtl-optimization/96264
17178 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
17181 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
17184 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
17185 looking up the retain attribute.
17186 (resolve_unique_section): Likewise.
17187 (get_variable_section): Likewise.
17188 (switch_to_section): Likewise. Warn when a symbol without the
17189 retain attribute and a symbol with the retain attribute are
17190 placed in the section with the same name, instead of the used
17192 * doc/extend.texi: Document the "retain" attribute.
17194 2021-02-18 Nathan Sidwell <nathan@acm.org>
17197 * doc/invoke.texi (flang-info-include-translate): Document header
17200 2021-02-18 Richard Biener <rguenther@suse.de>
17202 PR middle-end/99122
17203 * ipa-fnsummary.c (analyze_function_body): Set
17204 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
17205 * tree-inline.c (insert_init_debug_bind): Pass NULL for
17206 error_mark_node values.
17207 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
17209 (setup_one_parameter): Delay force_value_to_type until when
17212 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
17214 PR tree-optimization/99142
17215 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
17217 2021-02-18 Jakub Jelinek <jakub@redhat.com>
17219 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
17220 wide_int_bitmask::wide_int_bitmask (uint64_t),
17221 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
17222 wide_int_bitmask::operator ~ () const,
17223 wide_int_bitmask::operator | (wide_int_bitmask) const,
17224 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
17226 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
17227 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
17228 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
17229 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
17230 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
17231 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
17232 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
17233 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
17234 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
17235 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
17236 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
17237 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
17238 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
17239 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
17240 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
17241 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
17242 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
17243 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
17244 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
17245 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
17246 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
17247 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
17248 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
17249 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
17251 2021-02-18 Jakub Jelinek <jakub@redhat.com>
17253 PR middle-end/99109
17254 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
17255 (build_printable_array_type): ... this. Add nelts argument. For
17256 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
17257 nelts, call build_array_type_nelts.
17258 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
17259 instead of build_zero_elt_array_type and build_array_type_nelts.
17261 2021-02-18 Jakub Jelinek <jakub@redhat.com>
17264 * config/i386/i386.c (distance_non_agu_define): Don't call
17265 extract_insn_cached here.
17266 (ix86_lea_outperforms): Save and restore recog_data around call
17267 to distance_non_agu_define and distance_agu_use.
17268 (ix86_ok_to_clobber_flags): Remove.
17269 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
17270 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
17271 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
17272 into define_insn. Move the splitting to define_peephole2 and
17273 check there using peep2_regno_dead_p if FLAGS_REG is dead.
17275 2021-02-17 Julian Brown <julian@codesourcery.com>
17277 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
17280 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
17283 * config/mips/mips.c (mips_symbol_insns): Do not use
17284 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
17286 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
17288 PR inline-asm/98096
17289 * stmt.c (resolve_operand_name_1): Take inout operands into account
17290 for access to labels by names.
17291 * doc/extend.texi: Describe counting operands for accessing labels.
17293 2021-02-16 Richard Biener <rguenther@suse.de>
17295 PR tree-optimization/38474
17296 * tree-ssa-structalias.c (variable_info::address_taken): New.
17297 (new_var_info): Initialize address_taken.
17298 (process_constraint): Set address_taken.
17299 (solve_constraints): Use the new address_taken flag rather
17300 than is_reg_var for sorting variables.
17301 (dump_constraint): Dump the variable number if the name
17304 2021-02-16 Jakub Jelinek <jakub@redhat.com>
17307 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
17308 multiply by 4096 and for inbranch by 8192.
17309 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
17310 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
17312 2021-02-15 Maya Rashish <coypu@sdf.org>
17314 * config/aarch64/aarch64.c (aarch64_init_builtins):
17315 Call SUBTARGET_INIT_BUILTINS.
17317 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
17319 PR rtl-optimization/98872
17320 * init-regs.c (initialize_uninitialized_regs): Skip initialization
17321 if CONST0_RTX is NULL.
17323 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
17325 PR rtl-optimization/98863
17326 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
17327 (function_info::build_info): Turn into a declaration, moving the
17328 definition to internals.h.
17329 (function_info::bb_walker): Declare.
17330 (function_info::create_reg_use): Likewise.
17331 (function_info::calculate_potential_phi_regs): Take a build_info
17333 (function_info::place_phis, function_info::create_ebbs): Declare.
17334 (function_info::calculate_ebb_live_in_for_debug): Likewise.
17335 (function_info::populate_backedge_phis): Delete.
17336 (function_info::start_block, function_info::end_block): Declare.
17337 (function_info::populate_phi_inputs): Delete.
17338 (function_info::m_potential_phi_regs): Move information to build_info.
17339 * rtl-ssa/internals.h: New file.
17340 (function_info::bb_phi_info): New class.
17341 (function_info::build_info): Moved from functions.h.
17342 Add a constructor and destructor.
17343 (function_info::build_info::ebb_use): Delete.
17344 (function_info::build_info::ebb_def): Likewise.
17345 (function_info::build_info::bb_live_out): Likewise.
17346 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
17347 (function_info::build_info::potential_phi_regs): Likewise.
17348 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
17349 (function_info::build_info::ebb_def_regs): Likewise.
17350 (function_info::build_info::bb_phis): Likewise.
17351 (function_info::build_info::bb_mem_live_out): Likewise.
17352 (function_info::build_info::bb_to_rpo): Likewise.
17353 (function_info::build_info::def_stack): Likewise.
17354 (function_info::build_info::old_def_stack_limit): Likewise.
17355 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
17356 Remove the regno argument. Push the previous definition onto the
17357 definition stack where necessary.
17358 * rtl-ssa/accesses.cc: Include internals.h.
17359 * rtl-ssa/changes.cc: Likewise.
17360 * rtl-ssa/blocks.cc: Likewise.
17361 (function_info::build_info::build_info): Define.
17362 (function_info::build_info::~build_info): Likewise.
17363 (function_info::bb_walker): New class.
17364 (function_info::bb_walker::bb_walker): Define.
17365 (function_info::add_live_out_use): Convert a logarithmic-complexity
17366 test into a linear one. Allow the same definition to be passed
17368 (function_info::calculate_potential_phi_regs): Moved from
17369 functions.cc. Take a build_info parameter and store the
17370 information there instead.
17371 (function_info::place_phis): New function.
17372 (function_info::add_entry_block_defs): Update call to record_reg_def.
17373 (function_info::calculate_ebb_live_in_for_debug): New function.
17374 (function_info::add_phi_nodes): Use bb_phis to decide which
17375 registers need phi nodes and initialize ebb_def_regs accordingly.
17376 Do not add degenerate phis here.
17377 (function_info::add_artificial_accesses): Use create_reg_use.
17378 Assert that all definitions are listed in the DF LR sets.
17379 Update call to record_reg_def.
17380 (function_info::record_block_live_out): Record live-out register
17381 values in the phis of successor blocks. Use the live-out set
17382 when processing the last block in an EBB, instead of always
17383 using the live-in sets of successor blocks. AND the live sets
17384 with the set of registers that have been defined in the EBB,
17385 rather than with all potential phi registers. Cope correctly
17386 with branches back to the start of the current EBB.
17387 (function_info::start_block): New function.
17388 (function_info::end_block): Likewise.
17389 (function_info::populate_phi_inputs): Likewise.
17390 (function_info::create_ebbs): Likewise.
17391 (function_info::process_all_blocks): Rewrite into a multi-phase
17393 * rtl-ssa/functions.cc: Include internals.h.
17394 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
17395 (function_info::init_function_data): Remove caller.
17396 * rtl-ssa/insns.cc: Include internals.h
17397 (function_info::create_reg_use): New function. Lazily any
17398 degenerate phis needed by the linear RPO view.
17399 (function_info::record_use): Use create_reg_use. When processing
17400 debug uses, use potential_phi_regs and test it before checking
17401 whether the register is live on entry to the current EBB. Lazily
17402 calculate ebb_live_in_for_debug.
17403 (function_info::record_call_clobbers): Update call to record_reg_def.
17404 (function_info::record_def): Likewise.
17406 2021-02-15 Martin Liska <mliska@suse.cz>
17408 * toplev.c (init_asm_output): Free output of
17409 gen_command_line_string function.
17410 (process_options): Likewise.
17412 2021-02-15 Martin Liska <mliska@suse.cz>
17414 * params.opt: Add 2 missing Param keywords.
17416 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
17418 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
17420 2021-02-15 Jakub Jelinek <jakub@redhat.com>
17422 PR tree-optimization/99079
17423 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
17424 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
17425 require both type and TREE_TYPE (@1) to be integral types and either
17426 type having smaller or equal precision, or TREE_TYPE (@1) being
17427 unsigned type, or type being signed type. If TREE_TYPE (@1)
17428 doesn't have wrapping overflow, perform the subtraction of one in
17431 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
17432 Richard Biener <rguether@suse.de>
17435 * ipa-reference.c (ipa_init): Only conditinally initialize
17436 reference_vars_to_consider.
17437 (propagate): Conditionally deninitialize reference_vars_to_consider.
17438 (ipa_reference_write_optimization_summary): Sanity check that
17439 reference_vars_to_consider is not allocated.
17441 2021-02-13 Levy Hsu <admin@levyhsu.com>
17444 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
17445 extend parameter to get_si_mem_base_reg declaration.
17446 (get_si_mem_base_reg): Add extend parameter. Set it.
17447 (analyze): Pass extend arg to get_si_mem_base_reg.
17448 (transform): Likewise. Use it when rewriting mems.
17449 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
17450 loads and emit sign/zero extending load followed by subreg move.
17452 2021-02-13 Jim Wilson <jimw@sifive.com>
17455 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
17456 exit when !reload_completed. Only perform check for compressed reg
17457 if reload_completed.
17458 (riscv_rtx_costs): In MEM case, when optimizing for size and
17459 shorten memrefs, if not compressible, then increase cost.
17461 2021-02-13 Jakub Jelinek <jakub@redhat.com>
17463 PR rtl-optimization/98439
17464 * recog.c (pass_split_before_regstack::gate): Enable even when
17465 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
17468 2021-02-13 Jakub Jelinek <jakub@redhat.com>
17471 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
17472 swap of V2SImode elements in memory into DImode memory rotate by 32.
17474 2021-02-12 Martin Sebor <msebor@redhat.com>
17476 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
17478 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
17480 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
17481 m_temp_obstack rather than m_obstack to allocate the temporary use.
17483 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
17485 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
17486 as read-modify operations.
17488 2021-02-12 Richard Biener <rguenther@suse.de>
17490 PR middle-end/38474
17491 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
17492 fbi->aa_walk_budget is bigger than zero. Update
17493 fbi->aa_walk_budget.
17494 (param_change_prob): Likewise.
17495 * ipa-prop.c (detect_type_change_from_memory_writes):
17496 Properly account walk_aliased_vdefs.
17497 (parm_preserved_before_stmt_p): Canonicalize updates.
17498 (parm_ref_data_preserved_p): Likewise.
17499 (parm_ref_data_pass_through_p): Likewise.
17500 (determine_known_aggregate_parts): Account own alias queries.
17502 2021-02-12 Martin Liska <mliska@suse.cz>
17504 * opts-common.c (decode_cmdline_option): Release werror_arg.
17505 * opts.c (gen_producer_string): Release output of
17506 gen_command_line_string.
17508 2021-02-12 Richard Biener <rguenther@suse.de>
17510 PR tree-optimization/38474
17511 * params.opt (-param=max-store-chains-to-track=): New param.
17512 (-param=max-stores-to-track=): Likewise.
17513 * doc/invoke.texi (max-store-chains-to-track): Document.
17514 (max-stores-to-track): Likewise.
17515 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
17517 (pass_store_merging::m_n_stores): Likewise.
17518 (pass_store_merging::terminate_and_process_chain): Update
17519 m_n_stores and m_n_chains.
17520 (pass_store_merging::process_store): Likewise. Terminate
17521 oldest chains if the number of stores or chains get too large.
17522 (imm_store_chain_info::terminate_and_process_chain): Dump
17525 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
17527 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
17528 the cold section, emit a nop before the directive if the previous
17529 active instruction can throw.
17531 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
17534 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
17535 memory addresses that are legal for quad word accesses.
17537 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
17540 * config/arm/thumb2.md (*doloop_end_internal): Generate
17541 alternative sequence to handle long range branches.
17543 2021-02-11 Joel Hutton <joel.hutton@arm.com>
17545 PR tree-optimization/98772
17546 * optabs-tree.c (supportable_half_widening_operation): New function
17547 to check for supportable V8QI->V8HI widening patterns.
17548 * optabs-tree.h (supportable_half_widening_operation): New function.
17549 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
17550 to create promotion stmts for V8QI->V8HI widening patterns.
17551 (vectorizable_conversion): Add case for V8QI->V8HI.
17553 2021-02-11 Richard Biener <rguenther@suse.de>
17555 * sparseset.h (SPARSESET_ELT_BITS): Remove.
17556 (SPARSESET_ELT_TYPE): Use unsigned int.
17557 * fwprop.c: Do not include sparseset.h.
17559 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17562 * varasm.c (declare_weak): For -fsyntax-only, allow even
17563 TREE_ASM_WRITTEN function decls.
17565 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17568 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
17569 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
17570 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
17571 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
17572 calling simplify_gen_subreg on it.
17574 2021-02-10 Martin Liska <mliska@suse.cz>
17576 * config/nvptx/nvptx.c (nvptx_option_override): Use
17577 flag_patchable_function_entry instead of the removed
17578 function_entry_patch_area_size.
17580 2021-02-10 Martin Liska <mliska@suse.cz>
17582 PR tree-optimization/99002
17583 PR tree-optimization/99026
17584 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
17585 leak when adjacent cases are merged.
17586 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
17588 (make_pass_lower_switch): Remove trailing whitespace.
17589 * tree-switch-conversion.h (release_clusters): New.
17591 2021-02-10 Richard Biener <rguenther@suse.de>
17593 PR rtl-optimization/99054
17594 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
17595 (fixup_partitions): Adjust.
17596 (rtl_verify_edges): Likewise.
17598 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17600 PR middle-end/99007
17601 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
17602 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
17605 2021-02-10 Richard Biener <rguenther@suse.de>
17608 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
17611 2021-02-10 Richard Biener <rguenther@suse.de>
17613 PR tree-optimization/99024
17614 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
17615 clear loop->aux if it is associated with the destroyed loop_vinfo.
17617 2021-02-10 Martin Liska <mliska@suse.cz>
17619 PR tree-optimization/99002
17620 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
17623 2021-02-10 Martin Liska <mliska@suse.cz>
17626 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
17627 a reference exists.
17629 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17632 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
17633 at class scope for DWARF5+.
17635 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
17637 PR rtl-optimization/96015
17638 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
17639 (relax_delay_slots): When deleting a jump to the next active
17640 instruction over a barrier, first delete the barrier if the
17641 jump is the only way to reach the target label.
17643 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
17645 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
17646 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
17647 vector multiplies and vect.alu for SSRA.
17648 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
17649 vect.mul cost field.
17650 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
17651 * config/arm/arm.c: Likewise.
17653 2021-02-09 Richard Biener <rguenther@suse.de>
17655 PR tree-optimization/98863
17656 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
17657 * tree-ssa-sccvn.c (last_pushed_avail): New global.
17658 (rpo_elim::eliminate_push_avail): Chain pushed avails.
17659 (unwind_state::avail_top): Add.
17660 (do_unwind): Rewrite unwinding of avail entries.
17661 (do_rpo_vn): Initialize last_pushed_avail and
17662 avail_top of the undo state.
17664 2021-02-09 Jakub Jelinek <jakub@redhat.com>
17666 PR middle-end/99004
17667 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
17668 const char * to char * and free those pointers after use.
17670 2021-02-09 Richard Biener <rguenther@suse.de>
17672 PR tree-optimization/99017
17673 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
17674 zero vector cost entries.
17676 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
17678 PR middle-end/98974
17679 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
17680 parameter in vectorizable_condition.
17682 2021-02-08 Richard Biener <rguenther@suse.de>
17685 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
17687 2021-02-08 Martin Liska <mliska@suse.cz>
17690 * cfgexpand.c (pass_expand::execute): Parse per-function option
17691 flag_patchable_function_entry and use it.
17692 * common.opt: Remove function_entry_patch_area_size and
17693 function_entry_patch_area_start global variables.
17694 * opts.c (parse_and_check_patch_area): New function.
17695 (common_handle_option): Use it.
17696 * opts.h (parse_and_check_patch_area): New function.
17697 * toplev.c (process_options): Parse and use
17698 function_entry_patch_area_size.
17700 2021-02-08 Martin Sebor <msebor@redhat.com>
17702 * doc/extend.texi (attribute malloc): Correct typos.
17704 2021-02-05 Nathan Sidwell <nathan@acm.org>
17707 * gcc.c (driver::maybe_run_linker): Check for input file
17708 accessibility if not linking.
17710 2021-02-05 Richard Biener <rguenther@suse.de>
17712 PR tree-optimization/98855
17713 * tree-vectorizer.h (add_stmt_cost): New overload.
17714 * tree-vect-slp.c (li_cost_vec_cmp): New.
17715 (vect_bb_slp_scalar_cost): Cost individual loop regions
17716 separately. Account for the scalar instance root stmt.
17718 2021-02-05 Tom de Vries <tdevries@suse.de>
17721 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
17723 (bit_test_cluster::emit): Reuse location_t for newly created
17725 (switch_decision_tree::try_switch_expansion): Preserve
17727 * tree-switch-conversion.h: Change function signatures.
17729 2021-02-05 Jakub Jelinek <jakub@redhat.com>
17732 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
17733 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
17734 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
17735 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
17737 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17739 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
17740 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
17741 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
17742 (vget_high_f16): Reimplement using new builtin.
17743 (vget_high_f32): Likewise.
17744 (vget_high_f64): Likewise.
17745 (vget_high_p8): Likewise.
17746 (vget_high_p16): Likewise.
17747 (vget_high_p64): Likewise.
17748 (vget_high_s8): Likewise.
17749 (vget_high_s16): Likewise.
17750 (vget_high_s32): Likewise.
17751 (vget_high_s64): Likewise.
17752 (vget_high_u8): Likewise.
17753 (vget_high_u16): Likewise.
17754 (vget_high_u32): Likewise.
17755 (vget_high_u64): Likewise.
17757 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17759 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
17760 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
17761 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
17762 (vget_low_f16): Reimplement using new builtin.
17763 (vget_low_f32): Likewise.
17764 (vget_low_f64): Likewise.
17765 (vget_low_p8): Likewise.
17766 (vget_low_p16): Likewise.
17767 (vget_low_p64): Likewise.
17768 (vget_low_s8): Likewise.
17769 (vget_low_s16): Likewise.
17770 (vget_low_s32): Likewise.
17771 (vget_low_s64): Likewise.
17772 (vget_low_u8): Likewise.
17773 (vget_low_u16): Likewise.
17774 (vget_low_u32): Likewise.
17775 (vget_low_u64): Likewise.
17777 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
17779 * gcc.c (print_multilib_info): Check all required argument is provided
17782 2021-02-05 liuhongt <hongtao.liu@intel.com>
17785 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
17786 generate integer mask comparison for 128/256-bits vector when
17787 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
17788 delete redundant !maskcmp condition.
17789 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
17791 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
17792 condition directly to if (maskcmp), add extra check for
17793 cmpmode, it should be MODE_INT.
17794 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
17795 parameters op_true/op_false.
17796 (ix86_use_mask_cmp_p): New.
17798 2021-02-05 liuhongt <hongtao.liu@intel.com>
17801 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
17802 Remove m_GENERIC from ~list.
17803 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
17805 2021-02-04 David Malcolm <dmalcolm@redhat.com>
17808 * diagnostic-show-locus.c (compatible_locations_p): Require
17809 locations in the same macro map to be either both from the
17810 macro definition, or both from the macro arguments.
17812 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
17814 * config/aarch64/aarch64-simd-builtins.def: Add
17815 [su]mull_hi_lane[q] builtin generator macros.
17816 * config/aarch64/aarch64-simd.md
17817 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
17818 (aarch64_<su>mull_hi_lane<mode>): Define.
17819 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
17820 (aarch64_<su>mull_hi_laneq<mode>): Define.
17821 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
17822 builtin instead of inline asm.
17823 (vmull_high_lane_s32): Likewise.
17824 (vmull_high_lane_u16): Likewise.
17825 (vmull_high_lane_u32): Likewise.
17826 (vmull_high_laneq_s16): Likewise.
17827 (vmull_high_laneq_s32): Likewise.
17828 (vmull_high_laneq_u16): Likewise.
17829 (vmull_high_laneq_u32): Liekwise.
17831 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
17833 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
17834 builtin generator macros.
17835 * config/aarch64/aarch64-simd.md
17836 (aarch64_<su>mull_hi_n<mode>_insn): Define.
17837 (aarch64_<su>mull_hi_n<mode>): Define.
17838 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
17839 instead of inline asm.
17840 (vmull_high_n_s32): Likewise.
17841 (vmull_high_n_u16): Likewise.
17842 (vmull_high_n_u32): Likewise.
17844 2021-02-04 Richard Biener <rguenther@suse.de>
17846 PR tree-optimization/98855
17847 * tree-vect-loop.c (vectorizable_phi): Do not cost
17848 single-argument PHIs.
17849 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
17850 * tree-vect-stmts.c (vectorizable_bswap): Also perform
17851 costing for SLP operation.
17853 2021-02-04 Martin Liska <mliska@suse.cz>
17855 * doc/extend.texi: Mention -mprefer-vector-width in target
17858 2021-02-03 Martin Sebor <msebor@redhat.com>
17860 PR tree-optimization/98937
17861 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
17862 Flush pointer_query cache.
17864 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
17866 * config/rs6000/genfusion.pl (gen_2logical): Add missing
17867 fixes based on patch review.
17868 * config/rs6000/fusion.md: Regenerate file.
17870 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
17872 * config/rs6000/t-rs6000: Comment out auto generation of
17875 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
17877 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
17878 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
17879 (output_file_start): Add gfx908.
17880 * config/gcn/gcn.opt (gpu_type): Add gfx908.
17881 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
17882 (MULTILIB_DIRNAMES): Add gfx908.
17883 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
17884 (main): Recognize gfx908.
17885 * config/gcn/t-omp-device: Add gfx908.
17887 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17889 * config/aarch64/aarch64-simd-builtins.def: Add
17890 [su]mlsl_hi_lane[q] builtin macro generators.
17891 * config/aarch64/aarch64-simd.md
17892 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
17893 (aarch64_<su>mlsl_hi_lane<mode>): Define.
17894 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
17895 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
17896 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
17897 builtin instead of inline asm.
17898 (vmlsl_high_lane_s32): Likewise.
17899 (vmlsl_high_lane_u16): Likewise.
17900 (vmlsl_high_lane_u32): Likewise.
17901 (vmlsl_high_laneq_s16): Likewise.
17902 (vmlsl_high_laneq_s32): Likewise.
17903 (vmlsl_high_laneq_u16): Likewise.
17904 (vmlsl_high_laneq_u32): Likewise.
17905 (vmlal_high_laneq_u32): Likewise.
17907 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17909 * config/aarch64/aarch64-simd-builtins.def: Add
17910 [su]mlal_hi_lane[q] builtin generator macros.
17911 * config/aarch64/aarch64-simd.md
17912 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
17913 (aarch64_<su>mlal_hi_lane<mode>): Define.
17914 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
17915 (aarch64_<su>mlal_hi_laneq<mode>): Define.
17916 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
17917 builtin instead of inline asm.
17918 (vmlal_high_lane_s32): Likewise.
17919 (vmlal_high_lane_u16): Likewise.
17920 (vmlal_high_lane_u32): Likewise.
17921 (vmlal_high_laneq_s16): Likewise.
17922 (vmlal_high_laneq_s32): Likewise.
17923 (vmlal_high_laneq_u16): Likewise.
17924 (vmlal_high_laneq_u32): Likewise.
17926 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17928 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
17929 builtin generator macros.
17930 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
17932 (aarch64_<su>mlsl_hi_n<mode>): Define.
17933 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
17934 instead of inline asm.
17935 (vmlsl_high_n_s32): Likewise.
17936 (vmlsl_high_n_u16): Likewise.
17937 (vmlsl_high_n_u32): Likewise.
17939 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17941 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
17942 builtin generator macros.
17943 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
17945 (aarch64_<su>mlal_hi_n<mode>): Define.
17946 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
17947 instead of inline asm.
17948 (vmlal_high_n_s32): Likewise.
17949 (vmlal_high_n_u16): Likewise.
17950 (vmlal_high_n_u32): Likewise.
17952 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17954 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
17956 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
17958 (aarch64_<su>mlal_hi<mode>_insn): This.
17959 (aarch64_<su>mlal_hi<mode>): Define.
17960 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
17961 instead of inline asm.
17962 (vmlal_high_s16): Likewise.
17963 (vmlal_high_s32): Likewise.
17964 (vmlal_high_u8): Likewise.
17965 (vmlal_high_u16): Likewise.
17966 (vmlal_high_u32): Likewise.
17968 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
17970 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
17971 after calling alter_subreg() on a (mem).
17973 2021-02-03 Martin Liska <mliska@suse.cz>
17976 * lto-streamer-out.c (produce_lto_section): Fill up missing
17978 * lto-streamer.h (struct lto_section): Add _padding field.
17980 2021-02-03 Richard Biener <rguenther@suse.de>
17982 * lto-streamer.c (lto_get_section_name): Free temporary
17984 * tree-loop-distribution.c
17985 (loop_distribution::merge_dep_scc_partitions): Free edge data.
17987 2021-02-03 Jakub Jelinek <jakub@redhat.com>
17989 PR middle-end/97487
17990 * ifcvt.c (noce_can_force_operand): New function.
17991 (noce_emit_move_insn): Use it.
17992 (noce_try_sign_mask): Likewise. Formatting fix.
17994 2021-02-03 Jakub Jelinek <jakub@redhat.com>
17996 PR middle-end/97971
17997 * lra-constraints.c (process_alt_operands): For inline asm, don't call
17998 fatal_insn, but instead return false.
18000 2021-02-03 Jakub Jelinek <jakub@redhat.com>
18002 PR tree-optimization/98287
18003 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
18006 2021-02-03 Tamar Christina <tamar.christina@arm.com>
18008 PR tree-optimization/98928
18009 * tree-vect-loop.c (vect_analyze_loop_2): Change
18010 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
18011 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
18012 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
18013 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
18015 2021-02-02 Richard Biener <rguenther@suse.de>
18017 * gimple-loop-interchange.cc (prepare_data_references):
18019 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
18020 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
18021 * tree-vect-stmts.c (vectorizable_condition): Do not
18023 (vectorizable_comparison): Likewise.
18025 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18027 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
18028 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
18029 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
18030 (vrsqrteq_u32): Likewise.
18032 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18034 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
18035 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
18036 (aarch64_sqxtun2<mode>_be): Likewise.
18037 (aarch64_sqxtun2<mode>): Likewise.
18038 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
18039 (vqmovun_high_s32): Likewise.
18040 (vqmovun_high_s64): Likewise.
18041 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
18043 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18045 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
18047 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
18049 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18051 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
18052 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
18053 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
18054 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
18055 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
18056 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
18057 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
18058 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
18060 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18062 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
18063 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
18064 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
18066 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18068 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
18069 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
18071 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18073 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
18074 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
18075 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
18076 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
18077 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
18078 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
18079 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
18080 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
18081 NONE builtin flags.
18083 2021-02-02 Jakub Jelinek <jakub@redhat.com>
18085 PR tree-optimization/98848
18086 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
18087 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
18089 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
18092 * expr.c: Check mode before calling store_expr.
18094 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
18096 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
18098 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
18099 instruction using expression ior.
18100 (mve_vornq_u<mode>): New expander.
18101 (mve_vornq_f<mode>): Use ior code instead of unspec.
18102 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
18104 2021-02-02 Alexandre Oliva <oliva@adacore.com>
18106 * tree-nested.c (convert_nonlocal_reference_op): Move
18107 current_function_decl restore after re-gimplification.
18108 (convert_local_reference_op): Likewise.
18110 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18112 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
18114 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
18116 (aarch64_rshrn<mode>_insn_be): Likewise.
18117 (aarch64_rshrn<mode>): Likewise.
18118 (aarch64_rshrn2<mode>_insn_le): Likewise.
18119 (aarch64_rshrn2<mode>_insn_be): Likewise.
18120 (aarch64_rshrn2<mode>): Likewise.
18121 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
18122 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
18124 (vrshrn_high_n_s32): Likewise.
18125 (vrshrn_high_n_s64): Likewise.
18126 (vrshrn_high_n_u16): Likewise.
18127 (vrshrn_high_n_u32): Likewise.
18128 (vrshrn_high_n_u64): Likewise.
18129 (vrshrn_n_s16): Likewise.
18130 (vrshrn_n_s32): Likewise.
18131 (vrshrn_n_s64): Likewise.
18132 (vrshrn_n_u16): Likewise.
18133 (vrshrn_n_u32): Likewise.
18134 (vrshrn_n_u64): Likewise.
18136 2021-02-01 Sergei Trofimovich <siarheit@google.com>
18138 PR tree-optimization/98499
18139 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
18140 conservatively and assume all possible side-effects.
18142 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18144 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
18145 vec_unpacku_hi_): Define builtins.
18146 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
18148 (vmovl_high_s16): Likewise.
18149 (vmovl_high_s32): Likewise.
18150 (vmovl_high_u8): Likewise.
18151 (vmovl_high_u16): Likewise.
18152 (vmovl_high_u32): Likewise.
18154 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18156 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
18158 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
18160 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
18162 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
18164 (vabdl_s16): Likewise.
18165 (vabdl_s32): Likewise.
18166 (vabdl_u8): Likewise.
18167 (vabdl_u16): Likewise.
18168 (vabdl_u32): Likewise.
18169 * config/aarch64/iterators.md (ABDL): New int iterator.
18170 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
18172 2021-02-01 Martin Sebor <msebor@redhat.com>
18174 * tree.h (BLOCK_VARS): Add comment.
18175 (BLOCK_SUBBLOCKS): Same.
18176 (BLOCK_SUPERCONTEXT): Same.
18177 (BLOCK_ABSTRACT_ORIGIN): Same.
18178 (inlined_function_outer_scope_p): Same.
18180 2021-02-01 Martin Sebor <msebor@redhat.com>
18182 PR middle-end/97172
18183 * attribs.c (attr_access::free_lang_data): Define new function.
18184 * attribs.h (attr_access::free_lang_data): Declare new function.
18186 2021-02-01 Richard Biener <rguenther@suse.de>
18188 * vec.h (auto_vec::auto_vec): Add memory stat parameters
18190 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
18192 2021-02-01 Tamar Christina <tamar.christina@arm.com>
18194 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
18195 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
18197 2021-02-01 Richard Biener <rguenther@suse.de>
18199 PR rtl-optimization/98863
18200 * config/i386/i386-features.c (convert_scalars_to_vector):
18201 Set DF_RD_PRUNE_DEAD_DEFS.
18203 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
18205 * system.h (SIZE_MAX): Define if not already defined.
18207 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
18209 * config/rs6000/genfusion.pl (gen_2logical): New function to
18210 generate patterns for logical-logical fusion.
18211 * config/rs6000/fusion.md: Regenerated patterns.
18212 * config/rs6000/rs6000-cpus.def: Add
18213 OPTION_MASK_P10_FUSION_2LOGICAL.
18214 * config/rs6000/rs6000.c (rs6000_option_override_internal):
18215 Enable logical-logical fusion for p10.
18216 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
18218 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
18220 * config/rs6000/rs6000.opt: Add periods to new AIX options.
18222 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
18224 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
18225 (mabi=vec-default): New.
18226 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
18227 __EXTABI__ for AIX Vector extended ABI.
18228 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
18230 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
18232 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
18234 2021-01-30 Jakub Jelinek <jakub@redhat.com>
18236 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
18237 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
18239 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
18242 * lra-constraints.c (in_class_p): Don't narrow class only for REG
18245 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
18247 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
18248 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
18249 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
18251 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
18253 PR tree-optimization/98866
18254 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
18255 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
18256 (gori_map::m_maybe_invariant): Rename from all_outgoing.
18257 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
18258 (gori_map::is_export_p): Ditto.
18259 (gori_map::calculate_gori): Ditto.
18260 (gori_compute::set_range_invariant): New.
18261 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
18262 invariant for pointers evaluating to [1, +INF].
18264 2021-01-29 Richard Biener <rguenther@suse.de>
18266 PR rtl-optimization/98863
18267 * config/i386/i386-features.c (remove_partial_avx_dependency):
18268 Do not perform DF analysis.
18269 (pass_data_remove_partial_avx_dependency): Remove
18272 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
18274 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
18275 builtin generator macros.
18276 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
18278 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
18279 instead of inline asm.
18280 (vmull_n_s32): Likewise.
18281 (vmull_n_u16): Likewise.
18282 (vmull_n_u32): Likewise.
18284 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18286 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
18288 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
18290 (aarch64_<sur>abdl2<mode>): ... This.
18291 (<sur>sadv16qi): Adjust use of above.
18292 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
18294 (vabdl_high_s16): Likewise.
18295 (vabdl_high_s32): Likewise.
18296 (vabdl_high_u8): Likewise.
18297 (vabdl_high_u16): Likewise.
18298 (vabdl_high_u32): Likewise.
18300 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18302 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
18304 (uabal2): Likewise.
18305 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
18307 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
18309 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
18311 (vabal_high_s16): Likewise.
18312 (vabal_high_s32): Likewise.
18313 (vabal_high_u8): Likewise.
18314 (vabal_high_u16): Likewise.
18315 (vabal_high_u32): Likewise.
18316 * config/aarch64/iterators.md (ABAL2): New mode iterator.
18317 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
18319 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18321 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
18324 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
18326 (aarch64_<sur>abal<mode>): ... This
18327 (<sur>sadv16qi): Adust use of the above.
18328 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
18330 (vabal_s16): Likewise.
18331 (vabal_s32): Likewise.
18332 (vabal_u8): Likewise.
18333 (vabal_u16): Likewise.
18334 (vabal_u32): Likewise.
18336 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18338 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
18340 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
18342 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
18344 (vaddlv_s16): Likewise.
18345 (vaddlv_u8): Likewise.
18346 (vaddlv_u16): Likewise.
18347 (vaddlvq_s8): Likewise.
18348 (vaddlvq_s16): Likewise.
18349 (vaddlvq_s32): Likewise.
18350 (vaddlvq_u8): Likewise.
18351 (vaddlvq_u16): Likewise.
18352 (vaddlvq_u32): Likewise.
18353 (vaddlv_s32): Likewise.
18354 (vaddlv_u32): Likewise.
18355 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
18356 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
18357 (Vwstype): New mode attribute.
18359 (VWIDE_S): Likewise.
18360 (USADDLV): New int iterator.
18361 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
18363 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
18365 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
18366 builtin generator macros.
18367 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
18369 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
18370 instead of inline asm.
18371 (vmlsl_lane_s32): Likewise.
18372 (vmlsl_lane_u16): Likewise.
18373 (vmlsl_lane_u32): Likewise.
18374 (vmlsl_laneq_s16): Likewise.
18375 (vmlsl_laneq_s32): Likewise.
18376 (vmlsl_laneq_u16): Likewise.
18377 (vmlsl_laneq_u32): Likewise.
18379 2021-01-29 Richard Biener <rguenther@suse.de>
18381 * doc/invoke.texi (--param max-gcse-memory): Document unit
18383 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
18384 * params.opt (--param max-gcse-memory): Adjust default and
18385 document unit of size.
18387 2021-01-29 Richard Biener <rguenther@suse.de>
18389 PR rtl-optimization/98863
18390 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
18391 HOST_WIDE_INT for the memory estimate.
18393 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
18394 Richard Biener <rguenther@suse.de>
18396 PR tree-optimization/97627
18397 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
18398 Do not analyze fake edges.
18400 2021-01-29 Richard Biener <rguenther@suse.de>
18402 PR rtl-optimization/98144
18403 * df.h (df_mir_bb_info): Add con_visited member.
18404 * df-problems.c (df_mir_alloc): Initialize con_visited,
18405 do not fully populate IN and OUT.
18406 (df_mir_reset): Likewise.
18407 (df_mir_confluence_0): Set con_visited.
18408 (df_mir_confluence_n): Properly handle implicitely
18409 fully populated IN and OUT as designated by con_visited
18410 and update con_visited accordingly.
18412 2021-01-29 Jakub Jelinek <jakub@redhat.com>
18415 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
18416 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
18417 && !TARGET_REALLY_IWMMXT to conditions.
18419 2021-01-29 Jakub Jelinek <jakub@redhat.com>
18422 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
18425 2021-01-28 Marek Polacek <polacek@redhat.com>
18428 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
18429 the main variant, maybe reset it in its variants too.
18430 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
18431 (check_aligned_type): Check if TYPE_USER_ALIGN match.
18433 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
18436 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
18437 of constant zero for comparisons.
18439 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
18441 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
18442 support for mapping built-in function names for long double
18443 built-in functions if long double is IEEE 128-bit.
18445 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
18447 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
18448 builtin generator macros.
18449 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
18451 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
18452 instead of inline asm.
18453 (vmlsl_n_s32): Likewise.
18454 (vmlsl_n_u16): Likewise.
18455 (vmlsl_n_u32): Likewise.
18457 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
18459 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
18460 builtin generator macros.
18461 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
18463 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
18464 instead of inline asm.
18465 (vmlal_n_s32): Likewise.
18466 (vmlal_n_u16): Likewise.
18467 (vmlal_n_u32): Likewise.
18469 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18471 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
18473 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
18475 (aarch64_shrn2<mode>_insn_be): Likewise.
18476 (aarch64_shrn2<mode>): Likewise.
18477 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
18479 (vshrn_high_n_s32): Likewise.
18480 (vshrn_high_n_s64): Likewise.
18481 (vshrn_high_n_u16): Likewise.
18482 (vshrn_high_n_u32): Likewise.
18483 (vshrn_high_n_u64): Likewise.
18485 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18487 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
18489 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
18491 (aarch64_shrn<mode>_insn_be): Likewise.
18492 (aarch64_shrn<mode>): Likewise.
18493 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
18495 (vshrn_n_s32): Likewise.
18496 (vshrn_n_s64): Likewise.
18497 (vshrn_n_u16): Likewise.
18498 (vshrn_n_u32): Likewise.
18499 (vshrn_n_u64): Likewise.
18500 * config/aarch64/iterators.md (vn_mode): New mode attribute.
18502 2021-01-28 Richard Biener <rguenther@suse.de>
18504 PR rtl-optimization/80960
18505 * dse.c (check_mem_read_rtx): Call get_addr on the
18508 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
18509 David Edelsohn <dje.gcc@gmail.com>
18512 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18513 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
18515 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
18517 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
18518 wrapper call rs6000_expand_vector_set_var for cleanup. Call
18519 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
18521 (rs6000_expand_vector_set_var): Delete.
18522 (rs6000_expand_vector_set_var_p9): Make static.
18523 (rs6000_expand_vector_set_var_p8): Make static.
18525 2021-01-28 Xing GUO <higuoxing@gmail.com>
18527 * common/config/riscv/riscv-common.c
18528 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
18529 when `p` extension exists.
18531 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
18533 PR rtl-optimization/97684
18534 * ira.c (ira): Call ira_set_pseudo_classes before
18535 update_equiv_regs when it is necessary.
18537 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18540 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
18541 %w0, %w1 and %2 instead of %0, %1 and %2.
18543 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
18545 * config/rs6000/genfusion.pl: New script to generate
18546 define_insn_and_split patterns so combine can arrange fused
18547 instructions next to each other.
18548 * config/rs6000/fusion.md: New file, generated fused instruction
18549 patterns for combine.
18550 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
18551 (non_update_memory_operand): New predicate.
18552 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
18553 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
18555 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
18557 * config/rs6000/rs6000.c (rs6000_option_override_internal):
18558 Automatically set OPTION_MASK_P10_FUSION and
18559 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
18560 (rs600_opt_masks): Allow -mpower10-fusion
18561 in function attributes.
18562 (address_is_non_pfx_d_or_x): New function.
18563 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
18564 * config/rs6000/rs6000.md: Include fusion.md.
18565 * config/rs6000/rs6000.opt: Add -mpower10-fusion
18566 and -mpower10-fusion-ld-cmpi.
18567 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
18569 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18571 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
18572 builtin generator macros.
18573 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
18575 (aarch64_<su>mlal<mode>): This.
18576 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
18577 instead of inline asm.
18578 (vmlal_s16): Likewise.
18579 (vmlal_s32): Likewise.
18580 (vmlal_u8): Likewise.
18581 (vmlal_u16): Likewise.
18582 (vmlal_u32): Likewise.
18584 2021-01-27 Richard Biener <rguenther@suse.de>
18586 PR tree-optimization/98854
18587 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
18588 PHIs from scalars when the number of CTORs matches the
18589 number of children.
18591 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18593 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
18595 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
18597 (aarch64_mls_n<mode>): This.
18598 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
18600 (vmls_n_s32): Likewise.
18601 (vmls_n_u16): Likewise.
18602 (vmls_n_u32): Likewise.
18603 (vmlsq_n_s16): Likewise.
18604 (vmlsq_n_s32): Likewise.
18605 (vmlsq_n_u16): Likewise.
18606 (vmlsq_n_u32): Likewise.
18608 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18610 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
18612 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
18614 (vmls_s16): Likewise.
18615 (vmls_s32): Likewise.
18616 (vmls_u8): Likewise.
18617 (vmls_u16): Likewise.
18618 (vmls_u32): Likewise.
18619 (vmlsq_s8): Likewise.
18620 (vmlsq_s16): Likewise.
18621 (vmlsq_s32): Likewise.
18622 (vmlsq_u8): Likewise.
18623 (vmlsq_u16): Likewise.
18624 (vmlsq_u32): Likewise.
18626 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18628 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
18630 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
18632 (aarch64_mla_n<mode>): This.
18633 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
18635 (vmla_n_s32): Likewise.
18636 (vmla_n_u16): Likewise.
18637 (vmla_n_u32): Likewise.
18638 (vmlaq_n_s16): Likewise.
18639 (vmlaq_n_s32): Likewise.
18640 (vmlaq_n_u16): Likewise.
18641 (vmlaq_n_u32): Likewise.
18643 2021-01-27 liuhongt <hongtao.liu@intel.com>
18646 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
18647 (*sse2_eq<mode>3): Ditto.
18649 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18651 * tree-pass.h (PROP_trees): Rename to ...
18652 (PROP_gimple): ... this.
18653 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
18654 * passes.c (execute_function_dump, execute_function_todo,
18655 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
18656 * varpool.c (ctor_for_folding): Likewise.
18658 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18660 PR tree-optimization/97260
18661 * varpool.c: Include tree-pass.h.
18662 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
18663 non-TREE_SIDE_EFFECTS automatic variables.
18665 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
18667 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
18669 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
18670 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
18671 (gen_compile_unit_die): Recognise C++23.
18673 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18676 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
18679 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18682 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
18683 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
18684 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
18686 2021-01-26 Richard Biener <rguenther@suse.de>
18688 * gimple-pretty-print.c (dump_binary_rhs): Handle
18689 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
18691 2021-01-26 Richard Biener <rguenther@suse.de>
18693 PR middle-end/98726
18694 * tree.h (vector_cst_int_elt): Remove.
18695 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
18698 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
18700 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
18701 for V64DFmode min/max reductions.
18703 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18705 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
18706 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
18707 two halves, one with x and the other with const0_rtx, ordered
18708 depending on endianity.
18710 2021-01-26 Alexandre Oliva <oliva@adacore.com>
18712 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
18713 temporaries not seen in binding block, and not about to be
18714 added as gimple variables.
18716 2021-01-25 Martin Sebor <msebor@redhat.com>
18719 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
18721 2021-01-25 Martin Liska <mliska@suse.cz>
18723 * value-prof.c (get_nth_most_common_value): Use %s instead
18726 2021-01-25 Jakub Jelinek <jakub@redhat.com>
18729 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
18730 readelf -wi is able to read the emitted .debug_info back.
18731 * configure: Regenerated.
18733 2021-01-25 Martin Liska <mliska@suse.cz>
18735 PR gcov-profile/98739
18736 * common.opt: Add missing sign symbol.
18737 * value-prof.c (get_nth_most_common_value): Restore handling
18738 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
18739 PROFILE_REPRODUCIBILITY_MULTITHREADED.
18741 2021-01-25 Richard Biener <rguenther@suse.de>
18743 PR middle-end/98807
18744 * tree.c (vector_element_bits): Always use precision of
18745 the element type for boolean vectors.
18747 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
18749 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
18750 (ENDFILE_SPEC): Evaluate qnolinkcmds.
18752 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
18754 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
18755 nostartfiles handling since this is already done by
18756 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
18757 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
18758 is already done by LINK_COMMAND_SPEC.
18759 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
18760 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
18763 2021-01-25 Jakub Jelinek <jakub@redhat.com>
18766 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
18767 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
18768 value rather than host size_t.
18769 (fold_const_call): Change type of s2 from size_t to
18770 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
18771 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
18772 instead of s2 as last argument.
18774 2021-01-25 Tamar Christina <tamar.christina@arm.com>
18776 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
18777 VCMLA_OP, VCMUL_OP): New.
18778 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
18779 * config/arm/neon.md (cmul<conj_op><mode>3): New.
18780 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
18781 UNSPEC_VCMUL_CONJ): New.
18782 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
18783 cml<fcmac1><conj_op><mode>4): New.
18785 2021-01-23 Jakub Jelinek <jakub@redhat.com>
18788 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
18790 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
18792 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
18794 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
18796 (vmla_s16): Likewise.
18797 (vmla_s32): Likewise.
18798 (vmla_u8): Likewise.
18799 (vmla_u16): Likewise.
18800 (vmla_u32): Likewise.
18801 (vmlaq_s8): Likewise.
18802 (vmlaq_s16): Likewise.
18803 (vmlaq_s32): Likewise.
18804 (vmlaq_u8): Likewise.
18805 (vmlaq_u16): Likewise.
18806 (vmlaq_u32): Likewise.
18808 2021-01-22 David Malcolm <dmalcolm@redhat.com>
18810 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
18813 2021-01-22 Jakub Jelinek <jakub@redhat.com>
18816 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
18817 filenames to emit, still emit the required 0 index directory and
18818 filename entries that match DW_AT_comp_dir and DW_AT_name of the
18821 2021-01-22 Marek Polacek <polacek@redhat.com>
18824 * doc/invoke.texi: Update C++ ABI Version 15 description.
18826 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18828 PR tree-optimization/98766
18829 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
18830 comparing against type size with param_avoid_fma_max_bits.
18832 2021-01-22 Richard Biener <rguenther@suse.de>
18834 PR middle-end/98793
18835 * tree.c (vector_element_bits): Key single-bit bool vector on
18836 integer mode rather than not vector mode.
18838 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
18841 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18842 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
18844 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
18845 to call different path for P8 and P9.
18846 (rs6000_expand_vector_set_var_p9): New function.
18847 (rs6000_expand_vector_set_var_p8): New function.
18849 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
18853 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18854 Ajdust variable index vec_insert from address dereference to
18855 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
18856 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
18858 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
18860 2021-01-22 Martin Liska <mliska@suse.cz>
18862 PR gcov-profile/98739
18863 * profile.c (compute_value_histograms): Drop time profile for
18864 -fprofile-reproducible=multithreaded.
18866 2021-01-22 Nathan Sidwell <nathan@acm.org>
18868 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
18871 2021-01-22 Richard Biener <rguenther@suse.de>
18873 PR middle-end/98773
18874 * tree-data-ref.c (initalize_matrix_A): Revert previous
18875 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
18877 2021-01-22 Jakub Jelinek <jakub@redhat.com>
18879 PR tree-optimization/90248
18880 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
18881 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
18883 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
18884 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
18886 2021-01-22 Jakub Jelinek <jakub@redhat.com>
18888 PR tree-optimization/98255
18889 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
18890 extend index - low_bound from sizetype's precision rather than index
18892 (get_addr_base_and_unit_offset_1): Likewise.
18893 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
18894 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
18896 2021-01-22 Richard Biener <rguenther@suse.de>
18898 PR tree-optimization/98786
18899 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
18900 adding new uses of abnormals. Verify we deal with a conditional
18903 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
18906 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
18908 2021-01-22 liuhongt <hongtao.liu@intel.com>
18912 * config/i386/sse.md (VI_128_256): New mode iterator.
18913 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
18914 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
18915 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
18916 define_insn_and_split to lower avx512 vector comparison to avx
18917 version when dest is vector.
18918 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
18919 define_insn_and_split for negating the comparison result.
18920 * config/i386/predicates.md (float_vector_all_ones_operand):
18922 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
18923 general NOT operator without UNSPEC_MASKOP.
18925 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
18927 PR rtl-optimization/98777
18928 * lra-int.h (lra_pmode_pseudo): New extern.
18929 * lra.c (lra_pmode_pseudo): New global.
18931 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
18933 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
18935 * fwprop.c (fwprop_propagation::classify_result): Allow
18936 (subreg (mem)) simplifications.
18938 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18940 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
18942 (aarch64_sqdmlal<mode>): ... This...
18943 (aarch64_sqdmlsl<mode>): ... And this.
18944 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
18945 (aarch64_sqdmlal_lane<mode>): ... This...
18946 (aarch64_sqdmlsl_lane<mode>): ... And this.
18947 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
18948 (aarch64_sqdmlsl_laneq<mode>): ... This...
18949 (aarch64_sqdmlal_laneq<mode>): ... And this.
18950 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
18951 (aarch64_sqdmlsl_n<mode>): ... This...
18952 (aarch64_sqdmlal_n<mode>): ... And this.
18953 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
18954 (aarch64_sqdmlal2<mode>_internal): ... This...
18955 (aarch64_sqdmlsl2<mode>_internal): ... And this.
18957 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
18959 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
18961 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
18964 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
18966 2021-01-21 liuhongt <hongtao.liu@intel.com>
18968 PR rtl-optimization/98694
18969 * regcprop.c (copy_value): If SRC had been assigned a mode
18970 narrower than the copy, we can't link DEST into the chain even
18971 they have same hard_regno_nregs(i.e. HImode/SImode in i386
18974 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18976 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
18977 Convert to define_insn_and_split. Split into simple move when moving
18980 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
18982 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
18983 Adjust comment. Simplify code.
18985 2021-01-20 Jakub Jelinek <jakub@redhat.com>
18988 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
18989 with DW_FORM_line_strp form.
18990 (prune_unused_types_update_strings): Don't add into debug_str_hash
18991 indirect strings with DW_FORM_line_strp form.
18992 (adjust_name_comp_dir): New function.
18993 (dwarf2out_finish): Call it on CU DIEs after resetting
18994 debug_line_str_hash.
18996 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
18998 PR rtl-optimization/98722
18999 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
19000 has no 3-op add insn to transform insns containing two pluses.
19002 2021-01-20 Richard Biener <rguenther@suse.de>
19004 * hwint.h (add_hwi): New function.
19005 (mul_hwi): Likewise.
19006 * tree-data-ref.c (initialize_matrix_A): Properly translate
19007 tree constants and avoid HOST_WIDE_INT_MIN.
19008 (lambda_matrix_row_add): Avoid undefined integer overflow
19009 and return true on such overflow.
19010 (lambda_matrix_right_hermite): Handle overflow from
19011 lambda_matrix_row_add gracefully. Simplify previous fix.
19012 (analyze_subscript_affine_affine): Likewise.
19014 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
19016 PR tree-optimization/96674
19017 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
19018 x >= y && y != XXX_MIN --> x > y - 1
19020 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
19022 PR tree-optimization/98535
19023 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
19024 If the high and low permutes are the same, remove the high permutes
19025 from the working set and only continue with the low ones.
19027 2021-01-20 Jakub Jelinek <jakub@redhat.com>
19029 PR tree-optimization/98721
19030 * builtins.c (access_ref::inform_access): Don't assume
19031 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
19032 object whenever allocfn is NULL, rather than only when DECL_P
19033 is true. Use %qE instead of %qD for that. Formatting fixes.
19035 2021-01-20 Richard Biener <rguenther@suse.de>
19037 PR tree-optimization/98758
19038 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
19039 (lambda_matrix_right_hermite): Avoid undefinedness with
19040 signed integer abs and multiplication.
19041 (analyze_subscript_affine_affine): Use lambda_int.
19043 2021-01-20 David Malcolm <dmalcolm@redhat.com>
19046 * dwarf2out.c (output_line_info): Rename static variable
19047 "generation", moving it out of the function to...
19048 (output_line_info_generation): New.
19049 (init_sections_and_labels): Likewise, renaming the variable to...
19050 (init_sections_and_labels_generation): New.
19051 (dwarf2out_c_finalize): Reset the new variables.
19053 2021-01-19 Martin Sebor <msebor@redhat.com>
19055 PR middle-end/98664
19056 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
19057 all functions, even if they're not declared artificial or inline.
19058 * tree.c (tree_inlined_location): Use macro expansion location
19059 only if scope traversal fails to expose one.
19061 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
19063 PR rtl-optimization/92294
19064 * alias.c (compare_base_symbol_refs): Take an extra parameter
19065 and add the distance between two symbols to it. Enshrine in
19066 comments that -1 means "either 0 or 1, but we can't tell
19067 which at compile time".
19068 (memrefs_conflict_p): Update call accordingly.
19069 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
19072 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19074 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
19075 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
19076 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
19077 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
19078 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
19079 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
19080 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
19081 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
19082 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
19083 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
19084 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
19085 sqmovun): Use NONE flags.
19087 2021-01-19 Richard Biener <rguenther@suse.de>
19090 * ipa-modref.c (analyze_stmt): Only record a summary for a
19093 2021-01-19 Richard Biener <rguenther@suse.de>
19095 PR middle-end/98638
19096 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
19098 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
19100 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
19101 built-in define __FIX_LEON3FT_TN0018.
19103 2021-01-19 Richard Biener <rguenther@suse.de>
19106 * tree-inline.c (tree_function_versioning): Set input_location
19107 to UNKNOWN_LOCATION throughout the function.
19109 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
19112 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
19114 2021-01-19 Martin Jambor <mjambor@suse.cz>
19117 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
19118 whether non-call exceptions allow removal of a statement.
19119 (isra_analyze_call): Pass the appropriate function to
19120 ssa_name_only_returned_p.
19122 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
19124 * config/riscv/arch-canonicalize (longext_sort): New function for
19125 sorting 'multi-letter'.
19126 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
19127 'alts'. The 'arch' may not be the first of 'alts'.
19128 (_expand_combination): Add underline for the 'ext' without '*'.
19129 This is because, a single-letter extension can always be treated well
19130 with a '_' prefix, but it cannot be separated out if it is appended
19133 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
19136 * ira.c (ira): Skip abnormal critical edge splitting.
19138 2021-01-18 Jakub Jelinek <jakub@redhat.com>
19140 PR tree-optimization/98727
19141 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
19142 second .MUL_OVERFLOW operand for signed multiplication with overflow
19143 checking if the second operand of multiplication is not constant.
19145 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
19147 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
19148 defaults to version 4.
19150 2021-01-18 David Malcolm <dmalcolm@redhat.com>
19152 * attribs.h (fndecl_dealloc_argno): New decl.
19153 * builtins.c (call_dealloc_argno): Split out second half of
19155 (fndecl_dealloc_argno): New.
19156 * doc/extend.texi (Common Function Attributes): Document the
19157 interaction between the analyzer and the malloc attribute.
19158 * doc/invoke.texi (Static Analyzer Options): Likewise.
19160 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
19162 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
19163 dwarf_version to 4.
19164 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19166 2021-01-17 Martin Jambor <mjambor@suse.cz>
19169 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
19172 2021-01-17 Mark Wielaard <mark@klomp.org>
19174 * common.opt (gdwarf-): Init(5).
19175 * doc/invoke.texi (-gdwarf): Document default to 5.
19177 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
19179 * builtin-types.def
19180 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
19182 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
19183 ...this. Add extra argument.
19184 * gimplify.c (omp_default_clause): Ensure that event handle is
19185 firstprivate in a task region.
19186 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
19187 (gimplify_adjust_omp_clauses): Likewise.
19188 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
19189 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
19190 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
19191 if detach clause specified. Add detach argument when generating
19193 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
19195 (finish_taskreg_scan): Move field for variable containing the event
19196 handle to the front of the struct.
19197 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
19199 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
19200 OMP_CLAUSE_DETACH clause.
19201 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
19202 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
19203 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
19205 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
19207 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
19209 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
19211 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
19212 multilib directory names. Use MULTILIB_REQUIRED instead of
19213 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
19214 -mcustom-fpu-cfg=fph2 multilib.
19216 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
19218 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
19219 (nios2_init_fpu_configs): Provide register values for new
19220 -mcustom-fpu-cfg=fph2 option variant.
19221 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
19224 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
19226 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
19227 custom instruction warnings.
19229 2021-01-16 Jakub Jelinek <jakub@redhat.com>
19231 PR tree-optimization/96669
19232 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
19234 2021-01-16 Jakub Jelinek <jakub@redhat.com>
19236 PR tree-optimization/96271
19237 * passes.def: Pass false argument to first two pass_cd_dce
19238 instances and true to last instance. Add comment that
19239 last instance rewrites no longer addressed locals.
19240 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
19242 (pass_cd_dce::set_pass_param): New method.
19243 (pass_cd_dce::execute): Return TODO_update_address_taken from
19244 last cd_dce instance.
19246 2021-01-15 Carl Love <cel@us.ibm.com>
19248 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
19250 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
19251 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
19252 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
19253 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
19254 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
19255 Add builtin define.
19256 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
19257 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
19258 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
19259 New overloaded definitions.
19260 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
19261 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
19262 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
19263 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
19264 P10V_BUILTIN_MULHU_V4SI]: Add case
19265 statement for builtins.
19266 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
19267 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
19268 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
19269 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
19270 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
19271 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
19272 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
19273 Add define_insn, mode is VIlong.
19274 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
19275 Add builtin descriptions.
19277 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
19279 * final.c (final_start_function_1): Reset force_source_line.
19281 2021-01-15 Jakub Jelinek <jakub@redhat.com>
19283 PR tree-optimization/96669
19284 * match.pd (((1 << A) & 1) != 0 -> A == 0,
19285 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
19286 possibly different power of two constants and to right shift too.
19288 2021-01-15 Jakub Jelinek <jakub@redhat.com>
19290 PR tree-optimization/96681
19291 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
19292 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
19293 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
19294 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
19296 2021-01-15 Alexandre Oliva <oliva@adacore.com>
19298 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
19300 2021-01-15 Tamar Christina <tamar.christina@arm.com>
19302 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
19303 cmul<conj_op><mode>3): New.
19304 * config/aarch64/iterators.md (UNSPEC_FCMUL,
19305 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
19306 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
19307 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
19308 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
19309 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
19310 (rot_op): Renamed to conj_op.
19311 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
19312 cmul<conj_op><mode>3): New.
19313 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
19314 cmul<conj_op><mode>3): New.
19316 2021-01-15 David Malcolm <dmalcolm@redhat.com>
19320 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
19321 Escape the tempfile name when constructing the expected output.
19323 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19325 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
19327 (aarch64_<su>mlsl_hi<mode>): ... This.
19328 (aarch64_<su>mlsl_hi<mode>): Define.
19329 (*aarch64_<su>mlsl<mode): Rename to...
19330 (aarch64_<su>mlsl<mode): ... This.
19331 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
19332 smlsl_hi, umlsl_hi): Define builtins.
19333 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
19334 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
19335 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
19336 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
19338 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
19340 * config/i386/i386-c.c (ix86_target_macros):
19341 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
19343 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
19346 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
19347 * Makefile.in (RTL_SSA_H): New variable.
19348 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
19349 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
19350 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
19352 * config/aarch64/aarch64-cc-fusion.cc: New file.
19354 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
19356 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
19357 calling cancel_changes for changes that no longer exist.
19359 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
19361 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
19362 (function_info::reg_defs): ...this.
19363 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
19364 (function_info::reg_defs): ...this.
19366 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19369 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19371 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19374 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19377 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19379 2021-01-15 Richard Biener <rguenther@suse.de>
19381 PR tree-optimization/96376
19382 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
19383 for VMAT_INVARIANT.
19385 2021-01-15 Martin Liska <mliska@suse.cz>
19387 * doc/install.texi: Document that some tests need pytest module.
19388 * doc/sourcebuild.texi: Likewise.
19390 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19393 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19395 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19397 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
19398 (mve_vshrq_n_u<mode>_imm): Likewise.
19399 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
19400 * config/arm/vec-common.md: ... here.
19402 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19404 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
19406 * config/arm/neon.md (vashl<mode>3): Delete.
19407 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
19408 (vasl<mode>3): New expander.
19410 2021-01-15 Richard Biener <rguenther@suse.de>
19412 PR tree-optimization/98685
19413 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
19414 of vector extern defs.
19416 2021-01-14 David Malcolm <dmalcolm@redhat.com>
19419 * diagnostic.c (diagnostic_kind_text): Break out this array
19421 (diagnostic_build_prefix): ...here.
19422 (fancy_abort): Detect when diagnostic_initialize has not yet been
19423 called and fall back to a minimal implementation of printing the
19424 ICE, rather than segfaulting in internal_error.
19426 2021-01-14 David Malcolm <dmalcolm@redhat.com>
19428 * diagnostic.c (diagnostic_initialize): Eliminate
19429 parseable_fixits_p in favor of initializing extra_output_kind from
19430 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
19431 (convert_column_unit): New function, split out from...
19432 (diagnostic_converted_column): ...this.
19433 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
19434 Use them to call convert_column_unit on the column values.
19435 (diagnostic_report_diagnostic): Eliminate conditional on
19436 parseable_fixits_p in favor of a switch statement on
19437 extra_output_kind, passing the appropriate values to the new
19438 params of print_parseable_fixits.
19439 (selftest::test_print_parseable_fixits_none): Update for new
19440 params of print_parseable_fixits.
19441 (selftest::test_print_parseable_fixits_insert): Likewise.
19442 (selftest::test_print_parseable_fixits_remove): Likewise.
19443 (selftest::test_print_parseable_fixits_replace): Likewise.
19444 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
19446 (selftest::diagnostic_c_tests): Call it.
19447 * diagnostic.h (enum diagnostics_extra_output_kind): New.
19448 (diagnostic_context::parseable_fixits_p): Delete field in favor
19450 (diagnostic_context::extra_output_kind): ...this new field.
19451 * doc/invoke.texi (Environment Variables): Add
19452 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
19453 * opts.c (common_handle_option): Update handling of
19454 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
19457 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19459 * tree-vect-slp-patterns.c (class complex_operations_pattern,
19460 complex_operations_pattern::matches,
19461 complex_operations_pattern::recognize,
19462 complex_operations_pattern::build): New.
19463 (slp_patterns): Use it.
19465 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19467 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
19468 * optabs.def (cmls_optab, cmls_conj_optab): New.
19469 * doc/md.texi: Document them.
19470 * tree-vect-slp-patterns.c (class complex_fms_pattern,
19471 complex_fms_pattern::matches, complex_fms_pattern::recognize,
19472 complex_fms_pattern::build): New.
19474 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19476 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
19477 * optabs.def (cmla_optab, cmla_conj_optab): New.
19478 * doc/md.texi: Document them.
19479 * tree-vect-slp-patterns.c (vect_match_call_p,
19480 class complex_fma_pattern, vect_slp_reset_pattern,
19481 complex_fma_pattern::matches, complex_fma_pattern::recognize,
19482 complex_fma_pattern::build): New.
19484 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19486 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
19487 * optabs.def (cmul_optab, cmul_conj_optab): New.
19488 * doc/md.texi: Document them.
19489 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
19490 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
19491 vect_build_combine_node, class complex_mul_pattern,
19492 complex_mul_pattern::matches, complex_mul_pattern::recognize,
19493 complex_mul_pattern::build): New.
19495 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19497 * tree-vect-slp.c (optimize_load_redistribution_1): New.
19498 (optimize_load_redistribution, vect_is_slp_load_node): New.
19499 (vect_match_slp_patterns): Use it.
19501 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19503 * tree-vect-slp-patterns.c (complex_add_pattern::build):
19506 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
19508 * config/gcn/mkoffload.c (main): Create an offload image only in
19509 64-bit configurations.
19511 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
19514 * config/i386/i386-options.c (ix86_option_override_internal):
19515 Issue an error for -fcf-protection with CF_BRANCH when compiling
19516 for 32-bit non-TARGET_CMOV targets.
19518 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
19521 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
19522 Remove declaration and initialization of shadow variable "ret".
19523 (ix86_option_override_internal): Remove delcaration of
19524 shadow variable "i". Redeclare shadowed variable to unsigned.
19525 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
19526 * config/i386/i386-builtins.c (get_builtin_code_for_version):
19527 Update for redeclaration.
19528 * config/i386/i386.h (pta_size): Ditto.
19530 2021-01-14 Richard Biener <rguenther@suse.de>
19532 PR tree-optimization/98674
19533 * tree-data-ref.c (base_supports_access_fn_components_p): New.
19534 (initialize_data_dependence_relation): For two bases without
19535 possible access fns resort to type size equality when determining
19536 shape compatibility.
19538 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
19541 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
19542 <=, >= operators in vcle and vcge intrinsics respectively.
19543 * config/arm/arm_neon_builtins.def: Remove entry for
19546 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
19549 * config/i386/i386-options.c (ix86_function_specific_save):
19550 Remove redundant assignment to opts->x_ix86_branch_cost.
19551 * config/i386/i386.c (ix86_prefetch_sse):
19552 Rename from x86_prefetch_sse. Update all uses.
19553 * config/i386/i386.h: Update for rename.
19554 * config/i386/i386-options.h: Ditto.
19556 2021-01-14 Jakub Jelinek <jakub@redhat.com>
19559 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
19560 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
19561 Use Bm instead of m for non-avx. Add isa attribute.
19563 2021-01-14 Jakub Jelinek <jakub@redhat.com>
19565 PR tree-optimization/96688
19566 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
19567 ~X can be simplified.
19569 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
19571 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
19572 IFN_LOAD_LANES results.
19574 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19576 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
19578 (aarch64_xtn<mode>): Likewise.
19579 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
19582 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
19584 (vmovl_s16): Likewise.
19585 (vmovl_s32): Likewise.
19586 (vmovl_u8): Likewise.
19587 (vmovl_u16): Likewise.
19588 (vmovl_u32): Likewise.
19589 (vmovn_s16): Likewise.
19590 (vmovn_s32): Likewise.
19591 (vmovn_s64): Likewise.
19592 (vmovn_u16): Likewise.
19593 (vmovn_u32): Likewise.
19594 (vmovn_u64): Likewise.
19596 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19598 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
19600 (aarch64_<su>qxtn2<mode>_be): Likewise.
19601 (aarch64_<su>qxtn2<mode>): Likewise.
19602 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
19604 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
19605 (su): Handle ss_truncate and us_truncate.
19606 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
19608 (vqmovn_high_s32): Likewise.
19609 (vqmovn_high_s64): Likewise.
19610 (vqmovn_high_u16): Likewise.
19611 (vqmovn_high_u32): Likewise.
19612 (vqmovn_high_u64): Likewise.
19614 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19616 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
19618 (aarch64_xtn2<mode>_be): Likewise.
19619 (aarch64_xtn2<mode>): Likewise.
19620 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
19622 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
19624 (vmovn_high_s32): Likewise.
19625 (vmovn_high_s64): Likewise.
19626 (vmovn_high_u16): Likewise.
19627 (vmovn_high_u32): Likewise.
19628 (vmovn_high_u64): Likewise.
19630 2021-01-13 Stafford Horne <shorne@gmail.com>
19632 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
19634 2021-01-13 Stafford Horne <shorne@gmail.com>
19636 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
19638 2021-01-13 Stafford Horne <shorne@gmail.com>
19640 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
19641 define for __or1k_hard_float__.
19643 2021-01-13 Stafford Horne <shorne@gmail.com>
19645 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
19646 (PROFILE_HOOK): Define to call _mcount.
19647 (FUNCTION_PROFILER): Change from abort to no-op.
19649 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19651 PR tree-optimization/96691
19652 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
19653 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
19654 (~D ^ C) or (D ^ C) can be simplified.
19656 2021-01-13 Richard Biener <rguenther@suse.de>
19658 PR tree-optimization/92645
19659 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
19660 until after vector lowering.
19662 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19664 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
19666 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
19667 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
19669 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19671 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
19673 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
19674 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
19676 2021-01-13 Richard Biener <rguenther@suse.de>
19678 PR tree-optimization/92645
19679 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
19680 BIT_FIELD_REF argument.
19681 (vect_build_slp_tree_2): Record the desired vector type
19682 on the external vector def.
19683 (vectorizable_slp_permutation): Handle required punning
19684 of existing vector defs.
19686 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19688 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
19690 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19692 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
19694 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
19696 * config.gcc [$target == *-*-gnu*]: Enable
19697 'default_gnu_indirect_function'.
19699 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19702 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
19703 registers before calling targetm.vectorize.vec_perm_const, only after
19705 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
19706 two argument permutation when one operand is zero vector and only
19707 after that force operands into registers.
19708 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
19709 define_insn_and_split pattern.
19710 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
19711 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
19712 (*avx2_zero_extendv8hiv8si2_1): Likewise.
19713 (*avx512f_zero_extendv8siv8di2_1): Likewise.
19714 (*avx2_zero_extendv4siv4di2_1): Likewise.
19715 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
19717 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
19718 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
19719 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
19720 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
19721 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
19722 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
19724 2021-01-13 Martin Liska <mliska@suse.cz>
19726 PR tree-optimization/98455
19727 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
19728 Record also virtual PHIs.
19729 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
19732 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
19734 * doc/invoke.texi (C++ Modules): Fix typos.
19736 2021-01-13 Richard Biener <rguenther@suse.de>
19738 PR tree-optimization/98640
19739 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
19740 handle plus or minus from a truncated operand to be
19743 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19746 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
19747 define_insn_and_split patterns.
19748 (splitter after *btr<mode>_2): New splitter.
19750 2021-01-13 Martin Liska <mliska@suse.cz>
19753 * cgraphunit.c (analyze_functions): Remove dead code.
19755 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
19757 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
19758 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
19759 (a64fx_regmove_cost, a64fx_vector_cost): New.
19760 (a64fx_tunings): Use the new added cost tables.
19762 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19765 * config/i386/predicates.md (pmovzx_parallel): New predicate.
19766 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
19767 define_insn_and_split pattern.
19768 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
19769 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
19771 2021-01-13 Julian Brown <julian@codesourcery.com>
19773 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
19774 to fix v0 register.
19776 2021-01-13 Julian Brown <julian@codesourcery.com>
19778 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
19781 2021-01-13 Julian Brown <julian@codesourcery.com>
19783 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
19784 for reciprocal-approximation instructions.
19785 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
19786 refinement and division result.
19787 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
19789 2021-01-13 Julian Brown <julian@codesourcery.com>
19791 * config/gcn/gcn-valu.md (subdf): Rename to...
19794 2021-01-12 Martin Liska <mliska@suse.cz>
19796 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
19798 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
19800 * function-abi.h: Fix typo.
19802 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
19806 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
19807 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
19808 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
19809 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
19810 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
19811 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
19812 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
19813 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
19814 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
19815 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
19816 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
19817 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
19818 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
19819 (ARM_HAVE_V2DI_LDST): Likewise.
19820 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
19821 (*movmisalign<mode>_mve_load): New pattern.
19822 * config/arm/neon.md (movmisalign<mode>): Move to ...
19823 * config/arm/vec-common.md: ... here.
19825 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
19828 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
19829 of pattern 'plus (plus (hard reg, const), pseudo)'.
19831 2021-01-12 Richard Biener <rguenther@suse.de>
19833 PR tree-optimization/98550
19834 * tree-vect-slp.c (vect_record_max_nunits): Check whether
19835 the group size is a multiple of the vector element count.
19836 (vect_build_slp_tree_1): When we need to fail because
19837 the vector type choosen causes unrolling do so lazily
19838 without affecting matches only at the end to guide group splitting.
19840 2021-01-12 Martin Liska <mliska@suse.cz>
19843 * optc-save-gen.awk: Compare also n_target_save vars with
19846 2021-01-12 Martin Liska <mliska@suse.cz>
19848 * gcov.c (source_info::debug): New.
19849 (print_usage): Add --debug (-D) option.
19850 (process_args): Likewise.
19851 (generate_results): Call src->debug after
19852 accumulate_line_counts.
19853 (read_graph_file): Properly assign id for EXIT_BLOCK.
19854 * profile.c (branch_prob): Dump function body before it is
19857 2021-01-12 Jakub Jelinek <jakub@redhat.com>
19859 PR tree-optimization/98629
19860 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
19861 unless returning non-zero.
19863 2021-01-12 Jakub Jelinek <jakub@redhat.com>
19865 PR tree-optimization/95731
19866 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
19867 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
19868 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
19869 only after optimize_range_tests_var_bound.
19871 2021-01-12 Jakub Jelinek <jakub@redhat.com>
19873 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
19874 * configure: Regenerated.
19876 2021-01-12 liuhongt <hongtao.liu@intel.com>
19879 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
19881 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
19884 2021-01-12 Alexandre Oliva <oliva@adacore.com>
19886 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
19888 (auto_end_imm_use_stmt_traverse): New struct.
19889 (FOR_EACH_IMM_USE_STMT): Use it.
19890 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
19892 * gimple-ssa-strength-reduction.c: ... here, ...
19893 * graphite-scop-detection.c: ... here, ...
19894 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
19895 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
19896 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
19897 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
19898 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
19899 * tree-vect-slp.c: ... and here, ...
19900 * doc/tree-ssa.texi: ... and the example here.
19902 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19904 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
19905 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
19906 (*sdiv_pow2<mode>3): New pattern.
19907 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
19908 Wrap the ASRD in an UNSPEC_PRED_X.
19909 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
19910 predicate with a constant PTRUE, if it isn't already.
19911 (*cond_<sve_int_op><mode>_z): Replace with...
19912 (*cond_<sve_int_op><mode>_any): ...this new pattern.
19914 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19916 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
19917 SVE_FULL_I to SVE_I.
19918 (*cond_bic<mode>_any): Likewise.
19920 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19922 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
19923 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
19926 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19928 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
19929 SVE_FULL_I to SVE_I.
19930 (*aarch64_cond_<su>abd<mode>_2): Likewise.
19931 (*aarch64_cond_<su>abd<mode>_any): Likewise.
19932 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
19933 for the max and min but not for the minus.
19934 (*aarch64_cond_<su>abd<mode>_3): New pattern.
19936 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19938 * config/aarch64/iterators.md (SVE_24I): New iterator.
19939 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
19940 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
19942 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19944 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
19945 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
19947 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
19948 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
19949 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
19950 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
19952 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19954 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
19955 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
19956 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
19959 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19961 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
19962 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
19963 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
19965 2021-01-11 Martin Liska <mliska@suse.cz>
19968 * symtab-clones.h (clone_info::release): Release
19969 symtab::m_clones with ggc_delete as it's a GGC memory.
19971 2021-01-11 Matthias Klose <doko@ubuntu.com>
19973 * Makefile.in (LINK_PROGRESS): Show the link target.
19975 2021-01-11 Richard Biener <rguenther@suse.de>
19977 PR tree-optimization/91403
19978 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
19979 single-element interleaving group size at 4096 elements.
19981 2021-01-11 Richard Biener <rguenther@suse.de>
19983 PR tree-optimization/98526
19984 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
19985 of the actual reduction op for the regular case.
19986 (vectorizable_reduction): Cost the stmts
19987 vect_transform_reduction produces here.
19989 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
19991 * tree-ssa-forwprop.c (simplify_vector_constructor): For
19992 big-endian, use UNPACK[_FLOAT]_HI.
19994 2021-01-11 Tamar Christina <tamar.christina@arm.com>
19996 * tree-vect-slp-patterns.c (class complex_pattern,
19997 class complex_add_pattern): Add parameters to matches.
19998 (complex_add_pattern::build): Free memory.
19999 (complex_add_pattern::matches): Move validation end of match.
20000 (complex_add_pattern::recognize): Likewise.
20002 2021-01-11 Tamar Christina <tamar.christina@arm.com>
20004 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
20006 2021-01-11 Tamar Christina <tamar.christina@arm.com>
20008 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
20010 2021-01-11 Jakub Jelinek <jakub@redhat.com>
20012 PR tree-optimization/95867
20013 * tree-ssa-math-opts.h: New header.
20014 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
20015 (powi_as_mults): No longer static. Use build_one_cst instead of
20016 build_real. Formatting fix.
20017 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
20018 (attempt_builtin_powi): Handle multiplication reassociation without
20019 powi_fndecl using powi_as_mults.
20020 (reassociate_bb): For integral types don't require
20021 -funsafe-math-optimizations to call attempt_builtin_powi.
20023 2021-01-11 Jakub Jelinek <jakub@redhat.com>
20025 PR tree-optimization/95852
20026 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
20027 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
20028 allow in the bb any of the stmts in that vector, div_stmt and
20029 up to 3 cast stmts.
20030 (arith_cast_equal_p): New function.
20031 (arith_overflow_check_p): Add cast_stmt argument, handle signed
20032 multiply overflow checks.
20033 (match_arith_overflow): Adjust caller. Handle signed multiply
20036 2021-01-11 Jakub Jelinek <jakub@redhat.com>
20038 PR tree-optimization/95852
20039 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
20040 (uaddsub_overflow_check_p): Renamed to ...
20041 (arith_overflow_check_p): ... this. Handle also multiplication
20042 with overflow check.
20043 (match_uaddsub_overflow): Renamed to ...
20044 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
20045 also multiplication with overflow check. Adjust function comment.
20046 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
20047 match_arith_overflow also for MULT_EXPR.
20049 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20051 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
20052 __builtin_convertvector.
20053 (vmovl_s16): Likewise.
20054 (vmovl_s32): Likewise.
20055 (vmovl_u8): Likewise.
20056 (vmovl_u16): Likewise.
20057 (vmovl_u32): Likewise.
20058 (vmovn_s16): Likewise.
20059 (vmovn_s32): Likewise.
20060 (vmovn_s64): Likewise.
20061 (vmovn_u16): Likewise.
20062 (vmovn_u32): Likewise.
20063 (vmovn_u64): Likewise.
20065 2021-01-11 Martin Liska <mliska@suse.cz>
20067 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
20068 (if_chain::is_beneficial): Delete clusters
20069 (find_conditions): Make second argument of conditions_in_bbs a
20070 pointer so that we control over it's lifetime.
20071 (pass_if_to_switch::execute): Delete them.
20073 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
20075 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
20078 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
20080 * config/vax/vax.md (cc): Remove mode attribute.
20081 (subst_<cc>, subst_f<cc>): Rename to...
20082 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
20083 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
20084 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
20085 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
20087 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
20089 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
20090 `const_double_zero'.
20092 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
20094 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
20095 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
20098 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
20100 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
20102 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
20103 with `const_double_zero'.
20104 * doc/rtl.texi (Constant Expression Types): Document it.
20106 2021-01-09 Jakub Jelinek <jakub@redhat.com>
20109 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
20110 POINTER_DIFF_EXPR to be any integral type.
20112 2021-01-09 Jakub Jelinek <jakub@redhat.com>
20114 PR rtl-optimization/98603
20115 * function.c (instantiate_virtual_regs_in_insn): For asm goto
20116 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
20117 if any, set ASM_OPERANDS mode to VOIDmode and change
20118 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
20120 2021-01-09 Alexandre Oliva <oliva@gnu.org>
20123 * final.c (notice_source_line): Narrow down the condition to
20124 skip a line-0 marker.
20126 2021-01-08 Sergei Trofimovich <siarheit@google.com>
20128 * ipa-modref.c (merge_call_side_effects): Fix
20129 linebreak split by reordering two print calls.
20131 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
20133 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
20134 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
20135 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
20136 consistency, fix constraint.
20138 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
20140 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
20141 callables instead of mask values.
20142 (struct target_flag_set_p): New predicate.
20143 (s390_cpu_cpp_builtins_internal): Define or undefine
20144 __LONG_DOUBLE_VX__ macro.
20146 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
20149 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
20150 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
20153 2021-01-08 Richard Biener <rguenther@suse.de>
20155 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
20157 2021-01-08 Richard Biener <rguenther@suse.de>
20159 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
20160 (vect_build_slp_tree): On cache hit release the matched
20161 scalar stmts vector.
20162 * tree-vect-stmts.c (vectorizable_store): Properly free
20163 vec_oprnds before possibly gathering them again.
20165 2021-01-08 Richard Biener <rguenther@suse.de>
20167 PR tree-optimization/98544
20168 * tree-vect-slp.c (vect_optimize_slp): Always materialize
20169 permutes at a permute node.
20171 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
20174 * config/i386/i386.c (x86_function_profiler): Use R10 to call
20175 mcount in large model. Sorry for large model with PIC.
20177 2021-01-08 Jakub Jelinek <jakub@redhat.com>
20180 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
20181 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
20182 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
20183 TargetSave and initialize for variables with enum types.
20184 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
20185 mstack-protector-guard-symbol=): Add Save.
20186 * config/i386/i386-options.c (ix86_function_specific_save,
20187 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
20188 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
20189 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
20190 x_ix86_veclibabi_type.
20192 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
20194 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
20195 SVE_FULL_I to SVE_I.
20196 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
20198 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
20200 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
20201 SVE_FULL_I to SVE_I.
20202 (*cond_uxt<mode>_any): Likewise.
20204 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20206 * config/aarch64/iterators.md (Vwhalf): New iterator.
20207 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
20209 (aarch64_<sur>adalp<mode>): ... This. Make more
20211 (<sur>sadv16qi): Adjust callsite of the above.
20212 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
20214 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
20216 (vpadal_s16): Likewise.
20217 (vpadal_u8): Likewise.
20218 (vpadal_u16): Likewise.
20219 (vpadalq_s8): Likewise.
20220 (vpadalq_s16): Likewise.
20221 (vpadalq_s32): Likewise.
20222 (vpadalq_u8): Likewise.
20223 (vpadalq_u16): Likewise.
20224 (vpadalq_u32): Likewise.
20226 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20228 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
20230 (aarch64_<su>abd<mode>): ... This.
20231 (<sur>sadv16qi): Adjust callsite of the above.
20232 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
20234 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
20236 (vabd_s16): Likewise.
20237 (vabd_s32): Likewise.
20238 (vabd_u8): Likewise.
20239 (vabd_u16): Likewise.
20240 (vabd_u32): Likewise.
20241 (vabdq_s8): Likewise.
20242 (vabdq_s16): Likewise.
20243 (vabdq_s32): Likewise.
20244 (vabdq_u8): Likewise.
20245 (vabdq_u16): Likewise.
20246 (vabdq_u32): Likewise.
20248 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20250 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
20252 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
20253 (vaba_s16): Likewise.
20254 (vaba_s32): Likewise.
20255 (vaba_u8): Likewise.
20256 (vaba_u16): Likewise.
20257 (vaba_u32): Likewise.
20258 (vabaq_s8): Likewise.
20259 (vabaq_s16): Likewise.
20260 (vabaq_s32): Likewise.
20261 (vabaq_u8): Likewise.
20262 (vabaq_u16): Likewise.
20263 (vabaq_u32): Likewise.
20265 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20267 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
20268 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
20269 Change RTL pattern to match.
20271 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
20273 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
20274 * config/riscv/riscv-c.c (riscv-subset.h): New.
20275 (INCLUDE_STRING): Define.
20276 (riscv_cpu_cpp_builtins): Add new style architecture extension
20278 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
20279 (riscv_subset_list::end): New.
20280 (riscv_current_subset_list): New.
20282 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
20284 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
20285 Move to riscv-subset.h.
20286 (struct riscv_subset_t): Ditto.
20287 (class riscv_subset_list): Ditto.
20288 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
20289 from riscv-common.c.
20290 (struct riscv_subset_t): Ditto.
20291 (class riscv_subset_list): Ditto.
20292 * config/riscv/t-riscv ($(common_out_file)): Add file
20295 2021-01-07 Jakub Jelinek <jakub@redhat.com>
20298 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
20299 New define_insn patterns.
20301 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
20303 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
20304 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
20305 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
20307 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
20309 PR tree-optimization/98560
20310 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
20311 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
20313 (vec_cond_direct): Likewise argument 2.
20314 (vec_condu_direct, vec_condeq_direct): Delete.
20315 (expand_vect_cond_optab_fn): Rename to...
20316 (expand_vec_cond_optab_fn): ...this, replacing old macro.
20317 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
20318 (expand_vect_cond_mask_optab_fn): Rename to...
20319 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
20320 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
20322 (direct_vec_cond_optab_supported_p): Likewise.
20323 (direct_vec_condu_optab_supported_p): Delete.
20324 (direct_vec_condeq_optab_supported_p): Delete.
20325 * gimple-isel.cc: Include internal-fn.h.
20326 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
20329 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
20331 PR tree-optimization/98560
20332 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
20333 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
20335 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
20337 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
20338 rotate_insn and optab code attributes.
20339 Update all uses to merged code attribute.
20340 * config/i386/sse.md: Update all uses to merged code attribute.
20341 * config/i386/mmx.md: Update all uses to merged code attribute.
20343 2021-01-07 Jakub Jelinek <jakub@redhat.com>
20345 PR tree-optimization/98568
20346 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
20347 (bswap_replace): Use it.
20349 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
20351 PR rtl-optimization/97978
20352 * lra-int.h (lra_hard_reg_split_p): New external.
20353 * lra.c (lra_hard_reg_split_p): New global.
20354 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
20355 * lra-assigns.c (lra_assign): Don't check allocation correctness
20356 after hard reg splitting.
20358 2021-01-06 Martin Sebor <msebor@redhat.com>
20361 * builtins.c (new_delete_mismatch_p): New overload.
20362 (new_delete_mismatch_p (tree, tree)): Call it.
20364 2021-01-06 Alexandre Oliva <oliva@adacore.com>
20366 * Makefile.in (T_GLIMITS_H): New.
20367 (stmp-int-hdrs): Depend on it, use it.
20368 * config/t-vxworks (T_GLIMITS_H): Override it.
20369 (vxw-glimits.h): New.
20371 2021-01-06 Richard Biener <rguenther@suse.de>
20373 PR tree-optimization/98513
20374 * value-range.cc (intersect_ranges): Compare the upper bounds
20375 for the expected relation.
20377 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
20380 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
20382 * doc/standards.texi (HSAIL): Remove section.
20384 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
20386 * configure: Re-generate.
20388 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20390 * doc/invoke.texi (-std=c++20): Adjust for the publication of
20391 ISO 14882:2020 standard.
20392 * doc/standards.texi: Likewise.
20394 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20396 PR tree-optimization/94802
20397 * expr.h (maybe_optimize_sub_cmp_0): Declare.
20398 * expr.c: Include tree-pretty-print.h and flags.h.
20399 (maybe_optimize_sub_cmp_0): New function.
20400 (do_store_flag): Use it.
20401 * cfgexpand.c (expand_gimple_cond): Likewise.
20403 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20405 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
20406 * rtlanal.c (simple_regno_set): Tweak description to clarify the
20409 2021-01-05 Richard Biener <rguenther@suse.de>
20411 PR tree-optimization/98516
20412 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
20413 lanes when materializing on a VEC_PERM node.
20414 (vectorizable_slp_permutation): Dump the permute properly.
20416 2021-01-05 Richard Biener <rguenther@suse.de>
20418 * tree-vect-slp.c (vect_slp_region): Move debug counter
20419 to cover individual subgraphs.
20421 2021-01-05 Richard Biener <rguenther@suse.de>
20423 PR tree-optimization/98428
20424 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
20425 vector lane extracts for loop vectorization.
20427 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20429 PR tree-optimization/98514
20430 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
20432 (operand_rank): Change type from hash_map<tree, long> to
20433 hash_map<tree, int64_t>.
20434 (phi_rank): Change return type from long to int64_t.
20435 (loop_carried_phi): Change block_rank variable type from long to
20437 (propagate_rank): Change return type, rank parameter type and
20438 op_rank variable type from long to int64_t.
20439 (find_operand_rank): Change return type from long to int64_t
20440 and change slot variable type from long * to int64_t *.
20441 (insert_operand_rank): Change rank parameter type from long to
20443 (get_rank): Change return type and rank variable type from long to
20444 int64_t. Use PRId64 instead of ld to print the rank.
20445 (init_reassoc): Change rank variable type from long to int64_t
20446 and adjust correspondingly bb_rank and operand_rank initialization.
20448 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20450 PR tree-optimization/96928
20451 * tree-ssa-phiopt.c (xor_replacement): New function.
20452 (tree_ssa_phiopt_worker): Call it.
20454 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20456 PR tree-optimization/96930
20457 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
20458 from narrower value which has the same type as 1 << B, perform
20459 the right shift on the narrower value followed by extension.
20461 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20463 PR tree-optimization/96239
20464 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
20466 (get_status_for_store_merging): Don't return BB_INVALID for blocks
20467 with potential bswap optimizable CONSTRUCTORs.
20468 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
20471 2021-01-05 Richard Biener <rguenther@suse.de>
20473 PR tree-optimization/98381
20474 * tree.c (vector_element_bits): Properly compute bool vector
20476 * tree-vect-loop.c (vectorizable_live_operation): Properly
20477 compute the last lane bit offset.
20479 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
20482 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
20483 Clear the top 64 bytes of the input XMM register.
20484 (sse_cvttps2pi): Ditto.
20486 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
20489 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
20491 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
20494 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
20497 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
20499 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
20500 (umaddsidi4_split): Likewise.
20502 2021-01-05 liuhongt <hongtao.liu@intel.com>
20505 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
20506 define_insn_and_split for zero_extend of subreg HI of pmovskb
20508 (*sse2_pmovskb_zexthisi): Add new combine splitters for
20509 zero_extend of not of subreg HI of pmovskb result.
20511 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20514 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
20516 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
20517 convert_memory_address to convert symbolic immediates to ptr_mode
20518 before forcing them to memory.
20520 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20522 PR rtl-optimization/97144
20523 * recog.c (constrain_operands): Initialize matching_operand
20524 for each alternative, rather than only doing it once.
20526 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20528 PR rtl-optimization/98403
20529 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
20530 why we don't remove call clobbers.
20531 (function_info::apply_changes_to_insn): Don't attempt to add
20532 call clobbers here.
20534 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20536 PR tree-optimization/98371
20537 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
20538 (vect_analyze_loop): If an epilogue loop appears to be cheaper
20539 than the main loop, re-analyze it as a main loop before adopting
20542 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
20545 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
20546 * aclocal.m4, configure: Regenerate.
20547 * Makefile.in (NETLIBS): Define.
20548 (BACKEND): Remove $(CODYLIB).
20550 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20552 PR rtl-optimization/98334
20553 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
20554 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
20556 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
20558 * tree-inline.c (expand_call_inline): Restore input_location.
20559 Return result from recursive call.
20561 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20563 PR tree-optimization/95401
20564 * config/aarch64/aarch64-sve-builtins.cc
20565 (gimple_folder::load_store_cookie): Use bits rather than bytes
20566 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
20567 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
20568 * tree-vect-stmts.c (vectorizable_store): Likewise.
20569 (vectorizable_load): Likewise.
20571 2021-01-04 Richard Biener <rguenther@suse.de>
20573 PR tree-optimization/98308
20574 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
20577 2021-01-04 Jakub Jelinek <jakub@redhat.com>
20579 PR tree-optimization/95771
20580 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
20581 with precision smaller than int's precision and types with precision
20582 twice as large as long long. Formatting fixes.
20584 2021-01-04 Richard Biener <rguenther@suse.de>
20586 PR tree-optimization/98464
20587 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
20588 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
20589 (process_bb): Adjust.
20591 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
20594 * doc/invoke.texi (-fsanitize=address): Fix wording describing
20595 clash with -fsanitize=hwaddress.
20597 2021-01-04 Richard Biener <rguenther@suse.de>
20599 PR tree-optimization/98282
20600 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
20601 invariants as VN_NARY.
20603 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20606 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
20607 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
20608 to handle zero operands.
20610 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20612 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
20613 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
20614 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
20617 2021-01-04 Richard Biener <rguenther@suse.de>
20619 PR tree-optimization/98393
20620 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
20621 when hitting the limit.
20623 2021-01-04 Richard Biener <rguenther@suse.de>
20625 PR tree-optimization/98291
20626 * tree-vect-loop.c (vectorizable_reduction): Bypass
20627 associativity check for SLP reductions with VF 1.
20629 2021-01-04 Jakub Jelinek <jakub@redhat.com>
20631 PR tree-optimization/96782
20632 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
20634 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
20636 * collect-utils.c (collect_execute): Check dumppfx.
20637 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
20638 to collect_execute.
20639 (do_link): Add new parameter atsuffix.
20640 (main): Handle -dumpdir option. Skip one argument for
20641 -o, -isystem and -B options.
20642 * gcc.c (make_at_file): New helper function.
20643 (close_at_file): Use it.
20645 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20647 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
20648 Amend handling for LD64_VERSION fallback defaults.
20650 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20652 * config.gcc: Compute default version information
20653 from the configured target. Likewise defaults for
20655 * config/darwin10.h: Removed.
20656 * config/darwin12.h: Removed.
20657 * config/darwin9.h: Removed.
20658 * config/rs6000/darwin8.h: Removed.
20660 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20662 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
20664 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20666 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
20667 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
20669 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20671 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
20673 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
20675 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20677 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
20678 for the Darwin10 unwinder stub from here ...
20679 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
20681 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20683 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
20684 (ASM_DEBUG_SPEC):Only define if the assembler supports
20686 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
20687 (DARWIN_PREFER_DWARF): Define.
20688 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
20689 (DARWIN_PREFER_DWARF): Likewise
20690 (DSYMUTIL_SPEC): Likewise.
20691 (COLLECT_RUN_DSYMUTIL): Likewise.
20692 (ASM_DEBUG_SPEC): Likewise.
20693 (ASM_DEBUG_OPTION_SPEC): Likewise.
20695 2021-01-02 Jan Hubicka <jh@suse.cz>
20697 * cfg.c (free_block): ggc_free bb.
20699 2021-01-01 Jakub Jelinek <jakub@redhat.com>
20701 * gcc.c (process_command): Update copyright notice dates.
20702 * gcov-dump.c (print_version): Ditto.
20703 * gcov.c (print_version): Ditto.
20704 * gcov-tool.c (print_version): Ditto.
20705 * gengtype.c (create_file): Ditto.
20706 * doc/cpp.texi: Bump @copying's copyright year.
20707 * doc/cppinternals.texi: Ditto.
20708 * doc/gcc.texi: Ditto.
20709 * doc/gccint.texi: Ditto.
20710 * doc/gcov.texi: Ditto.
20711 * doc/install.texi: Ditto.
20712 * doc/invoke.texi: Ditto.
20714 2021-01-01 Jakub Jelinek <jakub@redhat.com>
20716 * ChangeLog-2020: Rotate ChangeLog. New file.
20719 Copyright (C) 2021 Free Software Foundation, Inc.
20721 Copying and distribution of this file, with or without modification,
20722 are permitted in any medium without royalty provided the copyright
20723 notice and this notice are preserved.