1 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
4 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
6 (trunctf<DFP_ALL:mode>2): Likewise.
7 (trunctdtf2_vr): Likewise.
8 (trunctdtf2): Likewise.
9 (extend<DFP_ALL:mode>tf2_vr): Likewise.
10 (extend<DFP_ALL:mode>tf2): Likewise.
11 (extendtftd2_vr): Likewise.
12 (extendtftd2): Likewise.
14 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
16 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
17 add memory alternative.
18 (tf_to_fprx2): New pattern.
20 2021-02-19 Martin Sebor <msebor@redhat.com>
23 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
24 (attr_access::free_lang_data): Remove a spurious test.
26 2021-02-19 Nathan Sidwell <nathan@acm.org>
28 * doc/invoke.texi (flang-info-module-read): Document.
30 2021-02-19 Martin Liska <mliska@suse.cz>
33 * params.opt: Fix typo.
35 2021-02-19 Richard Biener <rguenther@suse.de>
38 * tree-inline.c (inline_forbidden_p): Do not inline functions
39 with VLA arguments or return value.
41 2021-02-19 Jakub Jelinek <jakub@redhat.com>
44 * config/arm/arm.md (*stack_protect_combined_set_insn,
45 *stack_protect_combined_test_insn): If force_const_mem result
46 is not valid general operand, force its address into the destination
49 2021-02-19 Jakub Jelinek <jakub@redhat.com>
52 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
53 pad or non-local label, put FORCED_LABELs from bb b after that label
54 rather than before it.
56 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
59 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
60 expand_vector_broadcast' to emit the vec_duplicate operand.
62 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
64 PR rtl-optimization/96264
65 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
68 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
71 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
72 looking up the retain attribute.
73 (resolve_unique_section): Likewise.
74 (get_variable_section): Likewise.
75 (switch_to_section): Likewise. Warn when a symbol without the
76 retain attribute and a symbol with the retain attribute are
77 placed in the section with the same name, instead of the used
79 * doc/extend.texi: Document the "retain" attribute.
81 2021-02-18 Nathan Sidwell <nathan@acm.org>
84 * doc/invoke.texi (flang-info-include-translate): Document header
87 2021-02-18 Richard Biener <rguenther@suse.de>
90 * ipa-fnsummary.c (analyze_function_body): Set
91 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
92 * tree-inline.c (insert_init_debug_bind): Pass NULL for
93 error_mark_node values.
94 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
96 (setup_one_parameter): Delay force_value_to_type until when
99 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
101 PR tree-optimization/99142
102 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
104 2021-02-18 Jakub Jelinek <jakub@redhat.com>
106 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
107 wide_int_bitmask::wide_int_bitmask (uint64_t),
108 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
109 wide_int_bitmask::operator ~ () const,
110 wide_int_bitmask::operator | (wide_int_bitmask) const,
111 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
113 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
114 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
115 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
116 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
117 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
118 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
119 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
120 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
121 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
122 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
123 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
124 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
125 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
126 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
127 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
128 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
129 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
130 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
131 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
132 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
133 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
134 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
135 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
136 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
138 2021-02-18 Jakub Jelinek <jakub@redhat.com>
141 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
142 (build_printable_array_type): ... this. Add nelts argument. For
143 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
144 nelts, call build_array_type_nelts.
145 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
146 instead of build_zero_elt_array_type and build_array_type_nelts.
148 2021-02-18 Jakub Jelinek <jakub@redhat.com>
151 * config/i386/i386.c (distance_non_agu_define): Don't call
152 extract_insn_cached here.
153 (ix86_lea_outperforms): Save and restore recog_data around call
154 to distance_non_agu_define and distance_agu_use.
155 (ix86_ok_to_clobber_flags): Remove.
156 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
157 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
158 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
159 into define_insn. Move the splitting to define_peephole2 and
160 check there using peep2_regno_dead_p if FLAGS_REG is dead.
162 2021-02-17 Julian Brown <julian@codesourcery.com>
164 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
167 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
170 * config/mips/mips.c (mips_symbol_insns): Do not use
171 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
173 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
176 * stmt.c (resolve_operand_name_1): Take inout operands into account
177 for access to labels by names.
178 * doc/extend.texi: Describe counting operands for accessing labels.
180 2021-02-16 Richard Biener <rguenther@suse.de>
182 PR tree-optimization/38474
183 * tree-ssa-structalias.c (variable_info::address_taken): New.
184 (new_var_info): Initialize address_taken.
185 (process_constraint): Set address_taken.
186 (solve_constraints): Use the new address_taken flag rather
187 than is_reg_var for sorting variables.
188 (dump_constraint): Dump the variable number if the name
191 2021-02-16 Jakub Jelinek <jakub@redhat.com>
194 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
195 multiply by 4096 and for inbranch by 8192.
196 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
197 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
199 2021-02-15 Maya Rashish <coypu@sdf.org>
201 * config/aarch64/aarch64.c (aarch64_init_builtins):
202 Call SUBTARGET_INIT_BUILTINS.
204 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
206 PR rtl-optimization/98872
207 * init-regs.c (initialize_uninitialized_regs): Skip initialization
208 if CONST0_RTX is NULL.
210 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
212 PR rtl-optimization/98863
213 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
214 (function_info::build_info): Turn into a declaration, moving the
215 definition to internals.h.
216 (function_info::bb_walker): Declare.
217 (function_info::create_reg_use): Likewise.
218 (function_info::calculate_potential_phi_regs): Take a build_info
220 (function_info::place_phis, function_info::create_ebbs): Declare.
221 (function_info::calculate_ebb_live_in_for_debug): Likewise.
222 (function_info::populate_backedge_phis): Delete.
223 (function_info::start_block, function_info::end_block): Declare.
224 (function_info::populate_phi_inputs): Delete.
225 (function_info::m_potential_phi_regs): Move information to build_info.
226 * rtl-ssa/internals.h: New file.
227 (function_info::bb_phi_info): New class.
228 (function_info::build_info): Moved from functions.h.
229 Add a constructor and destructor.
230 (function_info::build_info::ebb_use): Delete.
231 (function_info::build_info::ebb_def): Likewise.
232 (function_info::build_info::bb_live_out): Likewise.
233 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
234 (function_info::build_info::potential_phi_regs): Likewise.
235 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
236 (function_info::build_info::ebb_def_regs): Likewise.
237 (function_info::build_info::bb_phis): Likewise.
238 (function_info::build_info::bb_mem_live_out): Likewise.
239 (function_info::build_info::bb_to_rpo): Likewise.
240 (function_info::build_info::def_stack): Likewise.
241 (function_info::build_info::old_def_stack_limit): Likewise.
242 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
243 Remove the regno argument. Push the previous definition onto the
244 definition stack where necessary.
245 * rtl-ssa/accesses.cc: Include internals.h.
246 * rtl-ssa/changes.cc: Likewise.
247 * rtl-ssa/blocks.cc: Likewise.
248 (function_info::build_info::build_info): Define.
249 (function_info::build_info::~build_info): Likewise.
250 (function_info::bb_walker): New class.
251 (function_info::bb_walker::bb_walker): Define.
252 (function_info::add_live_out_use): Convert a logarithmic-complexity
253 test into a linear one. Allow the same definition to be passed
255 (function_info::calculate_potential_phi_regs): Moved from
256 functions.cc. Take a build_info parameter and store the
257 information there instead.
258 (function_info::place_phis): New function.
259 (function_info::add_entry_block_defs): Update call to record_reg_def.
260 (function_info::calculate_ebb_live_in_for_debug): New function.
261 (function_info::add_phi_nodes): Use bb_phis to decide which
262 registers need phi nodes and initialize ebb_def_regs accordingly.
263 Do not add degenerate phis here.
264 (function_info::add_artificial_accesses): Use create_reg_use.
265 Assert that all definitions are listed in the DF LR sets.
266 Update call to record_reg_def.
267 (function_info::record_block_live_out): Record live-out register
268 values in the phis of successor blocks. Use the live-out set
269 when processing the last block in an EBB, instead of always
270 using the live-in sets of successor blocks. AND the live sets
271 with the set of registers that have been defined in the EBB,
272 rather than with all potential phi registers. Cope correctly
273 with branches back to the start of the current EBB.
274 (function_info::start_block): New function.
275 (function_info::end_block): Likewise.
276 (function_info::populate_phi_inputs): Likewise.
277 (function_info::create_ebbs): Likewise.
278 (function_info::process_all_blocks): Rewrite into a multi-phase
280 * rtl-ssa/functions.cc: Include internals.h.
281 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
282 (function_info::init_function_data): Remove caller.
283 * rtl-ssa/insns.cc: Include internals.h
284 (function_info::create_reg_use): New function. Lazily any
285 degenerate phis needed by the linear RPO view.
286 (function_info::record_use): Use create_reg_use. When processing
287 debug uses, use potential_phi_regs and test it before checking
288 whether the register is live on entry to the current EBB. Lazily
289 calculate ebb_live_in_for_debug.
290 (function_info::record_call_clobbers): Update call to record_reg_def.
291 (function_info::record_def): Likewise.
293 2021-02-15 Martin Liska <mliska@suse.cz>
295 * toplev.c (init_asm_output): Free output of
296 gen_command_line_string function.
297 (process_options): Likewise.
299 2021-02-15 Martin Liska <mliska@suse.cz>
301 * params.opt: Add 2 missing Param keywords.
303 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
305 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
307 2021-02-15 Jakub Jelinek <jakub@redhat.com>
309 PR tree-optimization/99079
310 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
311 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
312 require both type and TREE_TYPE (@1) to be integral types and either
313 type having smaller or equal precision, or TREE_TYPE (@1) being
314 unsigned type, or type being signed type. If TREE_TYPE (@1)
315 doesn't have wrapping overflow, perform the subtraction of one in
318 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
319 Richard Biener <rguether@suse.de>
322 * ipa-reference.c (ipa_init): Only conditinally initialize
323 reference_vars_to_consider.
324 (propagate): Conditionally deninitialize reference_vars_to_consider.
325 (ipa_reference_write_optimization_summary): Sanity check that
326 reference_vars_to_consider is not allocated.
328 2021-02-13 Levy Hsu <admin@levyhsu.com>
331 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
332 extend parameter to get_si_mem_base_reg declaration.
333 (get_si_mem_base_reg): Add extend parameter. Set it.
334 (analyze): Pass extend arg to get_si_mem_base_reg.
335 (transform): Likewise. Use it when rewriting mems.
336 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
337 loads and emit sign/zero extending load followed by subreg move.
339 2021-02-13 Jim Wilson <jimw@sifive.com>
342 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
343 exit when !reload_completed. Only perform check for compressed reg
345 (riscv_rtx_costs): In MEM case, when optimizing for size and
346 shorten memrefs, if not compressible, then increase cost.
348 2021-02-13 Jakub Jelinek <jakub@redhat.com>
350 PR rtl-optimization/98439
351 * recog.c (pass_split_before_regstack::gate): Enable even when
352 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
355 2021-02-13 Jakub Jelinek <jakub@redhat.com>
358 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
359 swap of V2SImode elements in memory into DImode memory rotate by 32.
361 2021-02-12 Martin Sebor <msebor@redhat.com>
363 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
365 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
367 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
368 m_temp_obstack rather than m_obstack to allocate the temporary use.
370 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
372 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
373 as read-modify operations.
375 2021-02-12 Richard Biener <rguenther@suse.de>
378 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
379 fbi->aa_walk_budget is bigger than zero. Update
381 (param_change_prob): Likewise.
382 * ipa-prop.c (detect_type_change_from_memory_writes):
383 Properly account walk_aliased_vdefs.
384 (parm_preserved_before_stmt_p): Canonicalize updates.
385 (parm_ref_data_preserved_p): Likewise.
386 (parm_ref_data_pass_through_p): Likewise.
387 (determine_known_aggregate_parts): Account own alias queries.
389 2021-02-12 Martin Liska <mliska@suse.cz>
391 * opts-common.c (decode_cmdline_option): Release werror_arg.
392 * opts.c (gen_producer_string): Release output of
393 gen_command_line_string.
395 2021-02-12 Richard Biener <rguenther@suse.de>
397 PR tree-optimization/38474
398 * params.opt (-param=max-store-chains-to-track=): New param.
399 (-param=max-stores-to-track=): Likewise.
400 * doc/invoke.texi (max-store-chains-to-track): Document.
401 (max-stores-to-track): Likewise.
402 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
404 (pass_store_merging::m_n_stores): Likewise.
405 (pass_store_merging::terminate_and_process_chain): Update
406 m_n_stores and m_n_chains.
407 (pass_store_merging::process_store): Likewise. Terminate
408 oldest chains if the number of stores or chains get too large.
409 (imm_store_chain_info::terminate_and_process_chain): Dump
412 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
414 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
415 the cold section, emit a nop before the directive if the previous
416 active instruction can throw.
418 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
421 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
422 memory addresses that are legal for quad word accesses.
424 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
427 * config/arm/thumb2.md (*doloop_end_internal): Generate
428 alternative sequence to handle long range branches.
430 2021-02-11 Joel Hutton <joel.hutton@arm.com>
432 PR tree-optimization/98772
433 * optabs-tree.c (supportable_half_widening_operation): New function
434 to check for supportable V8QI->V8HI widening patterns.
435 * optabs-tree.h (supportable_half_widening_operation): New function.
436 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
437 to create promotion stmts for V8QI->V8HI widening patterns.
438 (vectorizable_conversion): Add case for V8QI->V8HI.
440 2021-02-11 Richard Biener <rguenther@suse.de>
442 * sparseset.h (SPARSESET_ELT_BITS): Remove.
443 (SPARSESET_ELT_TYPE): Use unsigned int.
444 * fwprop.c: Do not include sparseset.h.
446 2021-02-10 Jakub Jelinek <jakub@redhat.com>
449 * varasm.c (declare_weak): For -fsyntax-only, allow even
450 TREE_ASM_WRITTEN function decls.
452 2021-02-10 Jakub Jelinek <jakub@redhat.com>
455 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
456 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
457 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
458 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
459 calling simplify_gen_subreg on it.
461 2021-02-10 Martin Liska <mliska@suse.cz>
463 * config/nvptx/nvptx.c (nvptx_option_override): Use
464 flag_patchable_function_entry instead of the removed
465 function_entry_patch_area_size.
467 2021-02-10 Martin Liska <mliska@suse.cz>
469 PR tree-optimization/99002
470 PR tree-optimization/99026
471 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
472 leak when adjacent cases are merged.
473 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
475 (make_pass_lower_switch): Remove trailing whitespace.
476 * tree-switch-conversion.h (release_clusters): New.
478 2021-02-10 Richard Biener <rguenther@suse.de>
480 PR rtl-optimization/99054
481 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
482 (fixup_partitions): Adjust.
483 (rtl_verify_edges): Likewise.
485 2021-02-10 Jakub Jelinek <jakub@redhat.com>
488 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
489 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
492 2021-02-10 Richard Biener <rguenther@suse.de>
495 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
498 2021-02-10 Richard Biener <rguenther@suse.de>
500 PR tree-optimization/99024
501 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
502 clear loop->aux if it is associated with the destroyed loop_vinfo.
504 2021-02-10 Martin Liska <mliska@suse.cz>
506 PR tree-optimization/99002
507 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
510 2021-02-10 Martin Liska <mliska@suse.cz>
513 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
516 2021-02-10 Jakub Jelinek <jakub@redhat.com>
519 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
520 at class scope for DWARF5+.
522 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
524 PR rtl-optimization/96015
525 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
526 (relax_delay_slots): When deleting a jump to the next active
527 instruction over a barrier, first delete the barrier if the
528 jump is the only way to reach the target label.
530 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
532 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
533 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
534 vector multiplies and vect.alu for SSRA.
535 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
537 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
538 * config/arm/arm.c: Likewise.
540 2021-02-09 Richard Biener <rguenther@suse.de>
542 PR tree-optimization/98863
543 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
544 * tree-ssa-sccvn.c (last_pushed_avail): New global.
545 (rpo_elim::eliminate_push_avail): Chain pushed avails.
546 (unwind_state::avail_top): Add.
547 (do_unwind): Rewrite unwinding of avail entries.
548 (do_rpo_vn): Initialize last_pushed_avail and
549 avail_top of the undo state.
551 2021-02-09 Jakub Jelinek <jakub@redhat.com>
554 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
555 const char * to char * and free those pointers after use.
557 2021-02-09 Richard Biener <rguenther@suse.de>
559 PR tree-optimization/99017
560 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
561 zero vector cost entries.
563 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
566 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
567 parameter in vectorizable_condition.
569 2021-02-08 Richard Biener <rguenther@suse.de>
572 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
574 2021-02-08 Martin Liska <mliska@suse.cz>
577 * cfgexpand.c (pass_expand::execute): Parse per-function option
578 flag_patchable_function_entry and use it.
579 * common.opt: Remove function_entry_patch_area_size and
580 function_entry_patch_area_start global variables.
581 * opts.c (parse_and_check_patch_area): New function.
582 (common_handle_option): Use it.
583 * opts.h (parse_and_check_patch_area): New function.
584 * toplev.c (process_options): Parse and use
585 function_entry_patch_area_size.
587 2021-02-08 Martin Sebor <msebor@redhat.com>
589 * doc/extend.texi (attribute malloc): Correct typos.
591 2021-02-05 Nathan Sidwell <nathan@acm.org>
594 * gcc.c (driver::maybe_run_linker): Check for input file
595 accessibility if not linking.
597 2021-02-05 Richard Biener <rguenther@suse.de>
599 PR tree-optimization/98855
600 * tree-vectorizer.h (add_stmt_cost): New overload.
601 * tree-vect-slp.c (li_cost_vec_cmp): New.
602 (vect_bb_slp_scalar_cost): Cost individual loop regions
603 separately. Account for the scalar instance root stmt.
605 2021-02-05 Tom de Vries <tdevries@suse.de>
608 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
610 (bit_test_cluster::emit): Reuse location_t for newly created
612 (switch_decision_tree::try_switch_expansion): Preserve
614 * tree-switch-conversion.h: Change function signatures.
616 2021-02-05 Jakub Jelinek <jakub@redhat.com>
619 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
620 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
621 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
622 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
624 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
626 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
627 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
628 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
629 (vget_high_f16): Reimplement using new builtin.
630 (vget_high_f32): Likewise.
631 (vget_high_f64): Likewise.
632 (vget_high_p8): Likewise.
633 (vget_high_p16): Likewise.
634 (vget_high_p64): Likewise.
635 (vget_high_s8): Likewise.
636 (vget_high_s16): Likewise.
637 (vget_high_s32): Likewise.
638 (vget_high_s64): Likewise.
639 (vget_high_u8): Likewise.
640 (vget_high_u16): Likewise.
641 (vget_high_u32): Likewise.
642 (vget_high_u64): Likewise.
644 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
646 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
647 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
648 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
649 (vget_low_f16): Reimplement using new builtin.
650 (vget_low_f32): Likewise.
651 (vget_low_f64): Likewise.
652 (vget_low_p8): Likewise.
653 (vget_low_p16): Likewise.
654 (vget_low_p64): Likewise.
655 (vget_low_s8): Likewise.
656 (vget_low_s16): Likewise.
657 (vget_low_s32): Likewise.
658 (vget_low_s64): Likewise.
659 (vget_low_u8): Likewise.
660 (vget_low_u16): Likewise.
661 (vget_low_u32): Likewise.
662 (vget_low_u64): Likewise.
664 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
666 * gcc.c (print_multilib_info): Check all required argument is provided
669 2021-02-05 liuhongt <hongtao.liu@intel.com>
672 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
673 generate integer mask comparison for 128/256-bits vector when
674 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
675 delete redundant !maskcmp condition.
676 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
678 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
679 condition directly to if (maskcmp), add extra check for
680 cmpmode, it should be MODE_INT.
681 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
682 parameters op_true/op_false.
683 (ix86_use_mask_cmp_p): New.
685 2021-02-05 liuhongt <hongtao.liu@intel.com>
688 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
689 Remove m_GENERIC from ~list.
690 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
692 2021-02-04 David Malcolm <dmalcolm@redhat.com>
695 * diagnostic-show-locus.c (compatible_locations_p): Require
696 locations in the same macro map to be either both from the
697 macro definition, or both from the macro arguments.
699 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
701 * config/aarch64/aarch64-simd-builtins.def: Add
702 [su]mull_hi_lane[q] builtin generator macros.
703 * config/aarch64/aarch64-simd.md
704 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
705 (aarch64_<su>mull_hi_lane<mode>): Define.
706 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
707 (aarch64_<su>mull_hi_laneq<mode>): Define.
708 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
709 builtin instead of inline asm.
710 (vmull_high_lane_s32): Likewise.
711 (vmull_high_lane_u16): Likewise.
712 (vmull_high_lane_u32): Likewise.
713 (vmull_high_laneq_s16): Likewise.
714 (vmull_high_laneq_s32): Likewise.
715 (vmull_high_laneq_u16): Likewise.
716 (vmull_high_laneq_u32): Liekwise.
718 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
720 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
721 builtin generator macros.
722 * config/aarch64/aarch64-simd.md
723 (aarch64_<su>mull_hi_n<mode>_insn): Define.
724 (aarch64_<su>mull_hi_n<mode>): Define.
725 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
726 instead of inline asm.
727 (vmull_high_n_s32): Likewise.
728 (vmull_high_n_u16): Likewise.
729 (vmull_high_n_u32): Likewise.
731 2021-02-04 Richard Biener <rguenther@suse.de>
733 PR tree-optimization/98855
734 * tree-vect-loop.c (vectorizable_phi): Do not cost
735 single-argument PHIs.
736 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
737 * tree-vect-stmts.c (vectorizable_bswap): Also perform
738 costing for SLP operation.
740 2021-02-04 Martin Liska <mliska@suse.cz>
742 * doc/extend.texi: Mention -mprefer-vector-width in target
745 2021-02-03 Martin Sebor <msebor@redhat.com>
747 PR tree-optimization/98937
748 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
749 Flush pointer_query cache.
751 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
753 * config/rs6000/genfusion.pl (gen_2logical): Add missing
754 fixes based on patch review.
755 * config/rs6000/fusion.md: Regenerate file.
757 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
759 * config/rs6000/t-rs6000: Comment out auto generation of
762 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
764 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
765 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
766 (output_file_start): Add gfx908.
767 * config/gcn/gcn.opt (gpu_type): Add gfx908.
768 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
769 (MULTILIB_DIRNAMES): Add gfx908.
770 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
771 (main): Recognize gfx908.
772 * config/gcn/t-omp-device: Add gfx908.
774 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
776 * config/aarch64/aarch64-simd-builtins.def: Add
777 [su]mlsl_hi_lane[q] builtin macro generators.
778 * config/aarch64/aarch64-simd.md
779 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
780 (aarch64_<su>mlsl_hi_lane<mode>): Define.
781 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
782 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
783 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
784 builtin instead of inline asm.
785 (vmlsl_high_lane_s32): Likewise.
786 (vmlsl_high_lane_u16): Likewise.
787 (vmlsl_high_lane_u32): Likewise.
788 (vmlsl_high_laneq_s16): Likewise.
789 (vmlsl_high_laneq_s32): Likewise.
790 (vmlsl_high_laneq_u16): Likewise.
791 (vmlsl_high_laneq_u32): Likewise.
792 (vmlal_high_laneq_u32): Likewise.
794 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
796 * config/aarch64/aarch64-simd-builtins.def: Add
797 [su]mlal_hi_lane[q] builtin generator macros.
798 * config/aarch64/aarch64-simd.md
799 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
800 (aarch64_<su>mlal_hi_lane<mode>): Define.
801 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
802 (aarch64_<su>mlal_hi_laneq<mode>): Define.
803 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
804 builtin instead of inline asm.
805 (vmlal_high_lane_s32): Likewise.
806 (vmlal_high_lane_u16): Likewise.
807 (vmlal_high_lane_u32): Likewise.
808 (vmlal_high_laneq_s16): Likewise.
809 (vmlal_high_laneq_s32): Likewise.
810 (vmlal_high_laneq_u16): Likewise.
811 (vmlal_high_laneq_u32): Likewise.
813 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
815 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
816 builtin generator macros.
817 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
819 (aarch64_<su>mlsl_hi_n<mode>): Define.
820 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
821 instead of inline asm.
822 (vmlsl_high_n_s32): Likewise.
823 (vmlsl_high_n_u16): Likewise.
824 (vmlsl_high_n_u32): Likewise.
826 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
828 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
829 builtin generator macros.
830 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
832 (aarch64_<su>mlal_hi_n<mode>): Define.
833 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
834 instead of inline asm.
835 (vmlal_high_n_s32): Likewise.
836 (vmlal_high_n_u16): Likewise.
837 (vmlal_high_n_u32): Likewise.
839 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
841 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
843 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
845 (aarch64_<su>mlal_hi<mode>_insn): This.
846 (aarch64_<su>mlal_hi<mode>): Define.
847 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
848 instead of inline asm.
849 (vmlal_high_s16): Likewise.
850 (vmlal_high_s32): Likewise.
851 (vmlal_high_u8): Likewise.
852 (vmlal_high_u16): Likewise.
853 (vmlal_high_u32): Likewise.
855 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
857 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
858 after calling alter_subreg() on a (mem).
860 2021-02-03 Martin Liska <mliska@suse.cz>
863 * lto-streamer-out.c (produce_lto_section): Fill up missing
865 * lto-streamer.h (struct lto_section): Add _padding field.
867 2021-02-03 Richard Biener <rguenther@suse.de>
869 * lto-streamer.c (lto_get_section_name): Free temporary
871 * tree-loop-distribution.c
872 (loop_distribution::merge_dep_scc_partitions): Free edge data.
874 2021-02-03 Jakub Jelinek <jakub@redhat.com>
877 * ifcvt.c (noce_can_force_operand): New function.
878 (noce_emit_move_insn): Use it.
879 (noce_try_sign_mask): Likewise. Formatting fix.
881 2021-02-03 Jakub Jelinek <jakub@redhat.com>
884 * lra-constraints.c (process_alt_operands): For inline asm, don't call
885 fatal_insn, but instead return false.
887 2021-02-03 Jakub Jelinek <jakub@redhat.com>
889 PR tree-optimization/98287
890 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
893 2021-02-03 Tamar Christina <tamar.christina@arm.com>
895 PR tree-optimization/98928
896 * tree-vect-loop.c (vect_analyze_loop_2): Change
897 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
898 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
899 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
900 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
902 2021-02-02 Richard Biener <rguenther@suse.de>
904 * gimple-loop-interchange.cc (prepare_data_references):
906 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
907 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
908 * tree-vect-stmts.c (vectorizable_condition): Do not
910 (vectorizable_comparison): Likewise.
912 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
914 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
915 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
916 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
917 (vrsqrteq_u32): Likewise.
919 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
921 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
922 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
923 (aarch64_sqxtun2<mode>_be): Likewise.
924 (aarch64_sqxtun2<mode>): Likewise.
925 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
926 (vqmovun_high_s32): Likewise.
927 (vqmovun_high_s64): Likewise.
928 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
930 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
932 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
934 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
936 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
938 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
939 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
940 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
941 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
942 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
943 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
944 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
945 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
947 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
949 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
950 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
951 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
953 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
955 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
956 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
958 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
960 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
961 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
962 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
963 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
964 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
965 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
966 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
967 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
970 2021-02-02 Jakub Jelinek <jakub@redhat.com>
972 PR tree-optimization/98848
973 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
974 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
976 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
979 * expr.c: Check mode before calling store_expr.
981 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
983 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
985 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
986 instruction using expression ior.
987 (mve_vornq_u<mode>): New expander.
988 (mve_vornq_f<mode>): Use ior code instead of unspec.
989 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
991 2021-02-02 Alexandre Oliva <oliva@adacore.com>
993 * tree-nested.c (convert_nonlocal_reference_op): Move
994 current_function_decl restore after re-gimplification.
995 (convert_local_reference_op): Likewise.
997 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
999 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
1001 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
1003 (aarch64_rshrn<mode>_insn_be): Likewise.
1004 (aarch64_rshrn<mode>): Likewise.
1005 (aarch64_rshrn2<mode>_insn_le): Likewise.
1006 (aarch64_rshrn2<mode>_insn_be): Likewise.
1007 (aarch64_rshrn2<mode>): Likewise.
1008 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
1009 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
1011 (vrshrn_high_n_s32): Likewise.
1012 (vrshrn_high_n_s64): Likewise.
1013 (vrshrn_high_n_u16): Likewise.
1014 (vrshrn_high_n_u32): Likewise.
1015 (vrshrn_high_n_u64): Likewise.
1016 (vrshrn_n_s16): Likewise.
1017 (vrshrn_n_s32): Likewise.
1018 (vrshrn_n_s64): Likewise.
1019 (vrshrn_n_u16): Likewise.
1020 (vrshrn_n_u32): Likewise.
1021 (vrshrn_n_u64): Likewise.
1023 2021-02-01 Sergei Trofimovich <siarheit@google.com>
1025 PR tree-optimization/98499
1026 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
1027 conservatively and assume all possible side-effects.
1029 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1031 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
1032 vec_unpacku_hi_): Define builtins.
1033 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
1035 (vmovl_high_s16): Likewise.
1036 (vmovl_high_s32): Likewise.
1037 (vmovl_high_u8): Likewise.
1038 (vmovl_high_u16): Likewise.
1039 (vmovl_high_u32): Likewise.
1041 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1043 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
1045 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
1047 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
1049 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
1051 (vabdl_s16): Likewise.
1052 (vabdl_s32): Likewise.
1053 (vabdl_u8): Likewise.
1054 (vabdl_u16): Likewise.
1055 (vabdl_u32): Likewise.
1056 * config/aarch64/iterators.md (ABDL): New int iterator.
1057 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
1059 2021-02-01 Martin Sebor <msebor@redhat.com>
1061 * tree.h (BLOCK_VARS): Add comment.
1062 (BLOCK_SUBBLOCKS): Same.
1063 (BLOCK_SUPERCONTEXT): Same.
1064 (BLOCK_ABSTRACT_ORIGIN): Same.
1065 (inlined_function_outer_scope_p): Same.
1067 2021-02-01 Martin Sebor <msebor@redhat.com>
1070 * attribs.c (attr_access::free_lang_data): Define new function.
1071 * attribs.h (attr_access::free_lang_data): Declare new function.
1073 2021-02-01 Richard Biener <rguenther@suse.de>
1075 * vec.h (auto_vec::auto_vec): Add memory stat parameters
1077 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
1079 2021-02-01 Tamar Christina <tamar.christina@arm.com>
1081 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
1082 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
1084 2021-02-01 Richard Biener <rguenther@suse.de>
1086 PR rtl-optimization/98863
1087 * config/i386/i386-features.c (convert_scalars_to_vector):
1088 Set DF_RD_PRUNE_DEAD_DEFS.
1090 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
1092 * system.h (SIZE_MAX): Define if not already defined.
1094 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
1096 * config/rs6000/genfusion.pl (gen_2logical): New function to
1097 generate patterns for logical-logical fusion.
1098 * config/rs6000/fusion.md: Regenerated patterns.
1099 * config/rs6000/rs6000-cpus.def: Add
1100 OPTION_MASK_P10_FUSION_2LOGICAL.
1101 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1102 Enable logical-logical fusion for p10.
1103 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
1105 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
1107 * config/rs6000/rs6000.opt: Add periods to new AIX options.
1109 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
1111 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
1112 (mabi=vec-default): New.
1113 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
1114 __EXTABI__ for AIX Vector extended ABI.
1115 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
1117 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
1119 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
1121 2021-01-30 Jakub Jelinek <jakub@redhat.com>
1123 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
1124 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
1126 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
1129 * lra-constraints.c (in_class_p): Don't narrow class only for REG
1132 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
1134 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
1135 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
1136 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
1138 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
1140 PR tree-optimization/98866
1141 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
1142 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
1143 (gori_map::m_maybe_invariant): Rename from all_outgoing.
1144 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
1145 (gori_map::is_export_p): Ditto.
1146 (gori_map::calculate_gori): Ditto.
1147 (gori_compute::set_range_invariant): New.
1148 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
1149 invariant for pointers evaluating to [1, +INF].
1151 2021-01-29 Richard Biener <rguenther@suse.de>
1153 PR rtl-optimization/98863
1154 * config/i386/i386-features.c (remove_partial_avx_dependency):
1155 Do not perform DF analysis.
1156 (pass_data_remove_partial_avx_dependency): Remove
1159 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
1161 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
1162 builtin generator macros.
1163 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
1165 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
1166 instead of inline asm.
1167 (vmull_n_s32): Likewise.
1168 (vmull_n_u16): Likewise.
1169 (vmull_n_u32): Likewise.
1171 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1173 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
1175 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
1177 (aarch64_<sur>abdl2<mode>): ... This.
1178 (<sur>sadv16qi): Adjust use of above.
1179 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
1181 (vabdl_high_s16): Likewise.
1182 (vabdl_high_s32): Likewise.
1183 (vabdl_high_u8): Likewise.
1184 (vabdl_high_u16): Likewise.
1185 (vabdl_high_u32): Likewise.
1187 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1189 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
1192 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
1194 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
1196 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
1198 (vabal_high_s16): Likewise.
1199 (vabal_high_s32): Likewise.
1200 (vabal_high_u8): Likewise.
1201 (vabal_high_u16): Likewise.
1202 (vabal_high_u32): Likewise.
1203 * config/aarch64/iterators.md (ABAL2): New mode iterator.
1204 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
1206 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1208 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
1211 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
1213 (aarch64_<sur>abal<mode>): ... This
1214 (<sur>sadv16qi): Adust use of the above.
1215 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
1217 (vabal_s16): Likewise.
1218 (vabal_s32): Likewise.
1219 (vabal_u8): Likewise.
1220 (vabal_u16): Likewise.
1221 (vabal_u32): Likewise.
1223 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1225 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
1227 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
1229 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
1231 (vaddlv_s16): Likewise.
1232 (vaddlv_u8): Likewise.
1233 (vaddlv_u16): Likewise.
1234 (vaddlvq_s8): Likewise.
1235 (vaddlvq_s16): Likewise.
1236 (vaddlvq_s32): Likewise.
1237 (vaddlvq_u8): Likewise.
1238 (vaddlvq_u16): Likewise.
1239 (vaddlvq_u32): Likewise.
1240 (vaddlv_s32): Likewise.
1241 (vaddlv_u32): Likewise.
1242 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
1243 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
1244 (Vwstype): New mode attribute.
1246 (VWIDE_S): Likewise.
1247 (USADDLV): New int iterator.
1248 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
1250 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
1252 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
1253 builtin generator macros.
1254 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
1256 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
1257 instead of inline asm.
1258 (vmlsl_lane_s32): Likewise.
1259 (vmlsl_lane_u16): Likewise.
1260 (vmlsl_lane_u32): Likewise.
1261 (vmlsl_laneq_s16): Likewise.
1262 (vmlsl_laneq_s32): Likewise.
1263 (vmlsl_laneq_u16): Likewise.
1264 (vmlsl_laneq_u32): Likewise.
1266 2021-01-29 Richard Biener <rguenther@suse.de>
1268 * doc/invoke.texi (--param max-gcse-memory): Document unit
1270 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
1271 * params.opt (--param max-gcse-memory): Adjust default and
1272 document unit of size.
1274 2021-01-29 Richard Biener <rguenther@suse.de>
1276 PR rtl-optimization/98863
1277 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
1278 HOST_WIDE_INT for the memory estimate.
1280 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
1281 Richard Biener <rguenther@suse.de>
1283 PR tree-optimization/97627
1284 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
1285 Do not analyze fake edges.
1287 2021-01-29 Richard Biener <rguenther@suse.de>
1289 PR rtl-optimization/98144
1290 * df.h (df_mir_bb_info): Add con_visited member.
1291 * df-problems.c (df_mir_alloc): Initialize con_visited,
1292 do not fully populate IN and OUT.
1293 (df_mir_reset): Likewise.
1294 (df_mir_confluence_0): Set con_visited.
1295 (df_mir_confluence_n): Properly handle implicitely
1296 fully populated IN and OUT as designated by con_visited
1297 and update con_visited accordingly.
1299 2021-01-29 Jakub Jelinek <jakub@redhat.com>
1302 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
1303 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
1304 && !TARGET_REALLY_IWMMXT to conditions.
1306 2021-01-29 Jakub Jelinek <jakub@redhat.com>
1309 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
1312 2021-01-28 Marek Polacek <polacek@redhat.com>
1315 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
1316 the main variant, maybe reset it in its variants too.
1317 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
1318 (check_aligned_type): Check if TYPE_USER_ALIGN match.
1320 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
1323 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
1324 of constant zero for comparisons.
1326 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
1328 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
1329 support for mapping built-in function names for long double
1330 built-in functions if long double is IEEE 128-bit.
1332 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
1334 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
1335 builtin generator macros.
1336 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
1338 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
1339 instead of inline asm.
1340 (vmlsl_n_s32): Likewise.
1341 (vmlsl_n_u16): Likewise.
1342 (vmlsl_n_u32): Likewise.
1344 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
1346 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
1347 builtin generator macros.
1348 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
1350 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
1351 instead of inline asm.
1352 (vmlal_n_s32): Likewise.
1353 (vmlal_n_u16): Likewise.
1354 (vmlal_n_u32): Likewise.
1356 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1358 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
1360 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
1362 (aarch64_shrn2<mode>_insn_be): Likewise.
1363 (aarch64_shrn2<mode>): Likewise.
1364 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
1366 (vshrn_high_n_s32): Likewise.
1367 (vshrn_high_n_s64): Likewise.
1368 (vshrn_high_n_u16): Likewise.
1369 (vshrn_high_n_u32): Likewise.
1370 (vshrn_high_n_u64): Likewise.
1372 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1374 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
1376 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
1378 (aarch64_shrn<mode>_insn_be): Likewise.
1379 (aarch64_shrn<mode>): Likewise.
1380 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
1382 (vshrn_n_s32): Likewise.
1383 (vshrn_n_s64): Likewise.
1384 (vshrn_n_u16): Likewise.
1385 (vshrn_n_u32): Likewise.
1386 (vshrn_n_u64): Likewise.
1387 * config/aarch64/iterators.md (vn_mode): New mode attribute.
1389 2021-01-28 Richard Biener <rguenther@suse.de>
1391 PR rtl-optimization/80960
1392 * dse.c (check_mem_read_rtx): Call get_addr on the
1395 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
1396 David Edelsohn <dje.gcc@gmail.com>
1399 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1400 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
1402 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
1404 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
1405 wrapper call rs6000_expand_vector_set_var for cleanup. Call
1406 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
1408 (rs6000_expand_vector_set_var): Delete.
1409 (rs6000_expand_vector_set_var_p9): Make static.
1410 (rs6000_expand_vector_set_var_p8): Make static.
1412 2021-01-28 Xing GUO <higuoxing@gmail.com>
1414 * common/config/riscv/riscv-common.c
1415 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
1416 when `p` extension exists.
1418 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
1420 PR rtl-optimization/97684
1421 * ira.c (ira): Call ira_set_pseudo_classes before
1422 update_equiv_regs when it is necessary.
1424 2021-01-27 Jakub Jelinek <jakub@redhat.com>
1427 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
1428 %w0, %w1 and %2 instead of %0, %1 and %2.
1430 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
1432 * config/rs6000/genfusion.pl: New script to generate
1433 define_insn_and_split patterns so combine can arrange fused
1434 instructions next to each other.
1435 * config/rs6000/fusion.md: New file, generated fused instruction
1436 patterns for combine.
1437 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
1438 (non_update_memory_operand): New predicate.
1439 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
1440 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
1442 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
1444 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1445 Automatically set OPTION_MASK_P10_FUSION and
1446 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
1447 (rs600_opt_masks): Allow -mpower10-fusion
1448 in function attributes.
1449 (address_is_non_pfx_d_or_x): New function.
1450 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
1451 * config/rs6000/rs6000.md: Include fusion.md.
1452 * config/rs6000/rs6000.opt: Add -mpower10-fusion
1453 and -mpower10-fusion-ld-cmpi.
1454 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
1456 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
1458 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
1459 builtin generator macros.
1460 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
1462 (aarch64_<su>mlal<mode>): This.
1463 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
1464 instead of inline asm.
1465 (vmlal_s16): Likewise.
1466 (vmlal_s32): Likewise.
1467 (vmlal_u8): Likewise.
1468 (vmlal_u16): Likewise.
1469 (vmlal_u32): Likewise.
1471 2021-01-27 Richard Biener <rguenther@suse.de>
1473 PR tree-optimization/98854
1474 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
1475 PHIs from scalars when the number of CTORs matches the
1478 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
1480 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
1482 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
1484 (aarch64_mls_n<mode>): This.
1485 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
1487 (vmls_n_s32): Likewise.
1488 (vmls_n_u16): Likewise.
1489 (vmls_n_u32): Likewise.
1490 (vmlsq_n_s16): Likewise.
1491 (vmlsq_n_s32): Likewise.
1492 (vmlsq_n_u16): Likewise.
1493 (vmlsq_n_u32): Likewise.
1495 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
1497 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
1499 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
1501 (vmls_s16): Likewise.
1502 (vmls_s32): Likewise.
1503 (vmls_u8): Likewise.
1504 (vmls_u16): Likewise.
1505 (vmls_u32): Likewise.
1506 (vmlsq_s8): Likewise.
1507 (vmlsq_s16): Likewise.
1508 (vmlsq_s32): Likewise.
1509 (vmlsq_u8): Likewise.
1510 (vmlsq_u16): Likewise.
1511 (vmlsq_u32): Likewise.
1513 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
1515 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
1517 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
1519 (aarch64_mla_n<mode>): This.
1520 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
1522 (vmla_n_s32): Likewise.
1523 (vmla_n_u16): Likewise.
1524 (vmla_n_u32): Likewise.
1525 (vmlaq_n_s16): Likewise.
1526 (vmlaq_n_s32): Likewise.
1527 (vmlaq_n_u16): Likewise.
1528 (vmlaq_n_u32): Likewise.
1530 2021-01-27 liuhongt <hongtao.liu@intel.com>
1533 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
1534 (*sse2_eq<mode>3): Ditto.
1536 2021-01-27 Jakub Jelinek <jakub@redhat.com>
1538 * tree-pass.h (PROP_trees): Rename to ...
1539 (PROP_gimple): ... this.
1540 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
1541 * passes.c (execute_function_dump, execute_function_todo,
1542 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
1543 * varpool.c (ctor_for_folding): Likewise.
1545 2021-01-27 Jakub Jelinek <jakub@redhat.com>
1547 PR tree-optimization/97260
1548 * varpool.c: Include tree-pass.h.
1549 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
1550 non-TREE_SIDE_EFFECTS automatic variables.
1552 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
1554 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
1556 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
1557 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
1558 (gen_compile_unit_die): Recognise C++23.
1560 2021-01-26 Jakub Jelinek <jakub@redhat.com>
1563 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
1566 2021-01-26 Jakub Jelinek <jakub@redhat.com>
1569 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
1570 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
1571 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
1573 2021-01-26 Richard Biener <rguenther@suse.de>
1575 * gimple-pretty-print.c (dump_binary_rhs): Handle
1576 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
1578 2021-01-26 Richard Biener <rguenther@suse.de>
1581 * tree.h (vector_cst_int_elt): Remove.
1582 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
1585 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
1587 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
1588 for V64DFmode min/max reductions.
1590 2021-01-26 Jakub Jelinek <jakub@redhat.com>
1592 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
1593 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
1594 two halves, one with x and the other with const0_rtx, ordered
1595 depending on endianity.
1597 2021-01-26 Alexandre Oliva <oliva@adacore.com>
1599 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
1600 temporaries not seen in binding block, and not about to be
1601 added as gimple variables.
1603 2021-01-25 Martin Sebor <msebor@redhat.com>
1606 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
1608 2021-01-25 Martin Liska <mliska@suse.cz>
1610 * value-prof.c (get_nth_most_common_value): Use %s instead
1613 2021-01-25 Jakub Jelinek <jakub@redhat.com>
1616 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
1617 readelf -wi is able to read the emitted .debug_info back.
1618 * configure: Regenerated.
1620 2021-01-25 Martin Liska <mliska@suse.cz>
1622 PR gcov-profile/98739
1623 * common.opt: Add missing sign symbol.
1624 * value-prof.c (get_nth_most_common_value): Restore handling
1625 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
1626 PROFILE_REPRODUCIBILITY_MULTITHREADED.
1628 2021-01-25 Richard Biener <rguenther@suse.de>
1631 * tree.c (vector_element_bits): Always use precision of
1632 the element type for boolean vectors.
1634 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
1636 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
1637 (ENDFILE_SPEC): Evaluate qnolinkcmds.
1639 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
1641 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
1642 nostartfiles handling since this is already done by
1643 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
1644 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
1645 is already done by LINK_COMMAND_SPEC.
1646 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
1647 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
1650 2021-01-25 Jakub Jelinek <jakub@redhat.com>
1653 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
1654 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
1655 value rather than host size_t.
1656 (fold_const_call): Change type of s2 from size_t to
1657 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
1658 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
1659 instead of s2 as last argument.
1661 2021-01-25 Tamar Christina <tamar.christina@arm.com>
1663 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
1664 VCMLA_OP, VCMUL_OP): New.
1665 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
1666 * config/arm/neon.md (cmul<conj_op><mode>3): New.
1667 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
1668 UNSPEC_VCMUL_CONJ): New.
1669 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
1670 cml<fcmac1><conj_op><mode>4): New.
1672 2021-01-23 Jakub Jelinek <jakub@redhat.com>
1675 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
1677 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
1679 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
1681 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
1683 (vmla_s16): Likewise.
1684 (vmla_s32): Likewise.
1685 (vmla_u8): Likewise.
1686 (vmla_u16): Likewise.
1687 (vmla_u32): Likewise.
1688 (vmlaq_s8): Likewise.
1689 (vmlaq_s16): Likewise.
1690 (vmlaq_s32): Likewise.
1691 (vmlaq_u8): Likewise.
1692 (vmlaq_u16): Likewise.
1693 (vmlaq_u32): Likewise.
1695 2021-01-22 David Malcolm <dmalcolm@redhat.com>
1697 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
1700 2021-01-22 Jakub Jelinek <jakub@redhat.com>
1703 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
1704 filenames to emit, still emit the required 0 index directory and
1705 filename entries that match DW_AT_comp_dir and DW_AT_name of the
1708 2021-01-22 Marek Polacek <polacek@redhat.com>
1711 * doc/invoke.texi: Update C++ ABI Version 15 description.
1713 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1715 PR tree-optimization/98766
1716 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
1717 comparing against type size with param_avoid_fma_max_bits.
1719 2021-01-22 Richard Biener <rguenther@suse.de>
1722 * tree.c (vector_element_bits): Key single-bit bool vector on
1723 integer mode rather than not vector mode.
1725 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
1728 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1729 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
1731 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
1732 to call different path for P8 and P9.
1733 (rs6000_expand_vector_set_var_p9): New function.
1734 (rs6000_expand_vector_set_var_p8): New function.
1736 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
1740 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1741 Ajdust variable index vec_insert from address dereference to
1742 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
1743 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
1745 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
1747 2021-01-22 Martin Liska <mliska@suse.cz>
1749 PR gcov-profile/98739
1750 * profile.c (compute_value_histograms): Drop time profile for
1751 -fprofile-reproducible=multithreaded.
1753 2021-01-22 Nathan Sidwell <nathan@acm.org>
1755 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
1758 2021-01-22 Richard Biener <rguenther@suse.de>
1761 * tree-data-ref.c (initalize_matrix_A): Revert previous
1762 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
1764 2021-01-22 Jakub Jelinek <jakub@redhat.com>
1766 PR tree-optimization/90248
1767 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
1768 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
1770 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
1771 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
1773 2021-01-22 Jakub Jelinek <jakub@redhat.com>
1775 PR tree-optimization/98255
1776 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
1777 extend index - low_bound from sizetype's precision rather than index
1779 (get_addr_base_and_unit_offset_1): Likewise.
1780 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
1781 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
1783 2021-01-22 Richard Biener <rguenther@suse.de>
1785 PR tree-optimization/98786
1786 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
1787 adding new uses of abnormals. Verify we deal with a conditional
1790 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1793 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
1795 2021-01-22 liuhongt <hongtao.liu@intel.com>
1799 * config/i386/sse.md (VI_128_256): New mode iterator.
1800 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
1801 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
1802 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
1803 define_insn_and_split to lower avx512 vector comparison to avx
1804 version when dest is vector.
1805 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
1806 define_insn_and_split for negating the comparison result.
1807 * config/i386/predicates.md (float_vector_all_ones_operand):
1809 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
1810 general NOT operator without UNSPEC_MASKOP.
1812 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
1814 PR rtl-optimization/98777
1815 * lra-int.h (lra_pmode_pseudo): New extern.
1816 * lra.c (lra_pmode_pseudo): New global.
1818 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
1820 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
1822 * fwprop.c (fwprop_propagation::classify_result): Allow
1823 (subreg (mem)) simplifications.
1825 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1827 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
1829 (aarch64_sqdmlal<mode>): ... This...
1830 (aarch64_sqdmlsl<mode>): ... And this.
1831 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
1832 (aarch64_sqdmlal_lane<mode>): ... This...
1833 (aarch64_sqdmlsl_lane<mode>): ... And this.
1834 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
1835 (aarch64_sqdmlsl_laneq<mode>): ... This...
1836 (aarch64_sqdmlal_laneq<mode>): ... And this.
1837 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
1838 (aarch64_sqdmlsl_n<mode>): ... This...
1839 (aarch64_sqdmlal_n<mode>): ... And this.
1840 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
1841 (aarch64_sqdmlal2<mode>_internal): ... This...
1842 (aarch64_sqdmlsl2<mode>_internal): ... And this.
1844 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
1846 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
1848 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
1851 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
1853 2021-01-21 liuhongt <hongtao.liu@intel.com>
1855 PR rtl-optimization/98694
1856 * regcprop.c (copy_value): If SRC had been assigned a mode
1857 narrower than the copy, we can't link DEST into the chain even
1858 they have same hard_regno_nregs(i.e. HImode/SImode in i386
1861 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1863 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
1864 Convert to define_insn_and_split. Split into simple move when moving
1867 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
1869 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
1870 Adjust comment. Simplify code.
1872 2021-01-20 Jakub Jelinek <jakub@redhat.com>
1875 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
1876 with DW_FORM_line_strp form.
1877 (prune_unused_types_update_strings): Don't add into debug_str_hash
1878 indirect strings with DW_FORM_line_strp form.
1879 (adjust_name_comp_dir): New function.
1880 (dwarf2out_finish): Call it on CU DIEs after resetting
1881 debug_line_str_hash.
1883 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
1885 PR rtl-optimization/98722
1886 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
1887 has no 3-op add insn to transform insns containing two pluses.
1889 2021-01-20 Richard Biener <rguenther@suse.de>
1891 * hwint.h (add_hwi): New function.
1892 (mul_hwi): Likewise.
1893 * tree-data-ref.c (initialize_matrix_A): Properly translate
1894 tree constants and avoid HOST_WIDE_INT_MIN.
1895 (lambda_matrix_row_add): Avoid undefined integer overflow
1896 and return true on such overflow.
1897 (lambda_matrix_right_hermite): Handle overflow from
1898 lambda_matrix_row_add gracefully. Simplify previous fix.
1899 (analyze_subscript_affine_affine): Likewise.
1901 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
1903 PR tree-optimization/96674
1904 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
1905 x >= y && y != XXX_MIN --> x > y - 1
1907 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
1909 PR tree-optimization/98535
1910 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
1911 If the high and low permutes are the same, remove the high permutes
1912 from the working set and only continue with the low ones.
1914 2021-01-20 Jakub Jelinek <jakub@redhat.com>
1916 PR tree-optimization/98721
1917 * builtins.c (access_ref::inform_access): Don't assume
1918 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
1919 object whenever allocfn is NULL, rather than only when DECL_P
1920 is true. Use %qE instead of %qD for that. Formatting fixes.
1922 2021-01-20 Richard Biener <rguenther@suse.de>
1924 PR tree-optimization/98758
1925 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
1926 (lambda_matrix_right_hermite): Avoid undefinedness with
1927 signed integer abs and multiplication.
1928 (analyze_subscript_affine_affine): Use lambda_int.
1930 2021-01-20 David Malcolm <dmalcolm@redhat.com>
1933 * dwarf2out.c (output_line_info): Rename static variable
1934 "generation", moving it out of the function to...
1935 (output_line_info_generation): New.
1936 (init_sections_and_labels): Likewise, renaming the variable to...
1937 (init_sections_and_labels_generation): New.
1938 (dwarf2out_c_finalize): Reset the new variables.
1940 2021-01-19 Martin Sebor <msebor@redhat.com>
1943 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
1944 all functions, even if they're not declared artificial or inline.
1945 * tree.c (tree_inlined_location): Use macro expansion location
1946 only if scope traversal fails to expose one.
1948 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
1950 PR rtl-optimization/92294
1951 * alias.c (compare_base_symbol_refs): Take an extra parameter
1952 and add the distance between two symbols to it. Enshrine in
1953 comments that -1 means "either 0 or 1, but we can't tell
1954 which at compile time".
1955 (memrefs_conflict_p): Update call accordingly.
1956 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
1959 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1961 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
1962 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
1963 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
1964 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
1965 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
1966 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
1967 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
1968 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
1969 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
1970 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
1971 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
1972 sqmovun): Use NONE flags.
1974 2021-01-19 Richard Biener <rguenther@suse.de>
1977 * ipa-modref.c (analyze_stmt): Only record a summary for a
1980 2021-01-19 Richard Biener <rguenther@suse.de>
1983 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
1985 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
1987 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
1988 built-in define __FIX_LEON3FT_TN0018.
1990 2021-01-19 Richard Biener <rguenther@suse.de>
1993 * tree-inline.c (tree_function_versioning): Set input_location
1994 to UNKNOWN_LOCATION throughout the function.
1996 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
1999 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
2001 2021-01-19 Martin Jambor <mjambor@suse.cz>
2004 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
2005 whether non-call exceptions allow removal of a statement.
2006 (isra_analyze_call): Pass the appropriate function to
2007 ssa_name_only_returned_p.
2009 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
2011 * config/riscv/arch-canonicalize (longext_sort): New function for
2012 sorting 'multi-letter'.
2013 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
2014 'alts'. The 'arch' may not be the first of 'alts'.
2015 (_expand_combination): Add underline for the 'ext' without '*'.
2016 This is because, a single-letter extension can always be treated well
2017 with a '_' prefix, but it cannot be separated out if it is appended
2020 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
2023 * ira.c (ira): Skip abnormal critical edge splitting.
2025 2021-01-18 Jakub Jelinek <jakub@redhat.com>
2027 PR tree-optimization/98727
2028 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
2029 second .MUL_OVERFLOW operand for signed multiplication with overflow
2030 checking if the second operand of multiplication is not constant.
2032 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
2034 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
2035 defaults to version 4.
2037 2021-01-18 David Malcolm <dmalcolm@redhat.com>
2039 * attribs.h (fndecl_dealloc_argno): New decl.
2040 * builtins.c (call_dealloc_argno): Split out second half of
2042 (fndecl_dealloc_argno): New.
2043 * doc/extend.texi (Common Function Attributes): Document the
2044 interaction between the analyzer and the malloc attribute.
2045 * doc/invoke.texi (Static Analyzer Options): Likewise.
2047 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
2049 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
2051 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2053 2021-01-17 Martin Jambor <mjambor@suse.cz>
2056 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
2059 2021-01-17 Mark Wielaard <mark@klomp.org>
2061 * common.opt (gdwarf-): Init(5).
2062 * doc/invoke.texi (-gdwarf): Document default to 5.
2064 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
2067 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
2069 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
2070 ...this. Add extra argument.
2071 * gimplify.c (omp_default_clause): Ensure that event handle is
2072 firstprivate in a task region.
2073 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
2074 (gimplify_adjust_omp_clauses): Likewise.
2075 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
2076 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
2077 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
2078 if detach clause specified. Add detach argument when generating
2080 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
2082 (finish_taskreg_scan): Move field for variable containing the event
2083 handle to the front of the struct.
2084 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
2086 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
2087 OMP_CLAUSE_DETACH clause.
2088 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
2089 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
2090 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
2092 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
2094 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
2096 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2098 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
2099 multilib directory names. Use MULTILIB_REQUIRED instead of
2100 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
2101 -mcustom-fpu-cfg=fph2 multilib.
2103 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2105 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
2106 (nios2_init_fpu_configs): Provide register values for new
2107 -mcustom-fpu-cfg=fph2 option variant.
2108 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
2111 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2113 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
2114 custom instruction warnings.
2116 2021-01-16 Jakub Jelinek <jakub@redhat.com>
2118 PR tree-optimization/96669
2119 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
2121 2021-01-16 Jakub Jelinek <jakub@redhat.com>
2123 PR tree-optimization/96271
2124 * passes.def: Pass false argument to first two pass_cd_dce
2125 instances and true to last instance. Add comment that
2126 last instance rewrites no longer addressed locals.
2127 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
2129 (pass_cd_dce::set_pass_param): New method.
2130 (pass_cd_dce::execute): Return TODO_update_address_taken from
2131 last cd_dce instance.
2133 2021-01-15 Carl Love <cel@us.ibm.com>
2135 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
2137 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
2138 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
2139 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
2140 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
2141 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
2143 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
2144 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
2145 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
2146 New overloaded definitions.
2147 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
2148 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
2149 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
2150 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
2151 P10V_BUILTIN_MULHU_V4SI]: Add case
2152 statement for builtins.
2153 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
2154 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
2155 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
2156 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
2157 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
2158 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
2159 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
2160 Add define_insn, mode is VIlong.
2161 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
2162 Add builtin descriptions.
2164 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
2166 * final.c (final_start_function_1): Reset force_source_line.
2168 2021-01-15 Jakub Jelinek <jakub@redhat.com>
2170 PR tree-optimization/96669
2171 * match.pd (((1 << A) & 1) != 0 -> A == 0,
2172 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
2173 possibly different power of two constants and to right shift too.
2175 2021-01-15 Jakub Jelinek <jakub@redhat.com>
2177 PR tree-optimization/96681
2178 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
2179 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
2180 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
2181 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
2183 2021-01-15 Alexandre Oliva <oliva@adacore.com>
2185 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
2187 2021-01-15 Tamar Christina <tamar.christina@arm.com>
2189 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
2190 cmul<conj_op><mode>3): New.
2191 * config/aarch64/iterators.md (UNSPEC_FCMUL,
2192 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
2193 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
2194 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
2195 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
2196 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
2197 (rot_op): Renamed to conj_op.
2198 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
2199 cmul<conj_op><mode>3): New.
2200 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
2201 cmul<conj_op><mode>3): New.
2203 2021-01-15 David Malcolm <dmalcolm@redhat.com>
2207 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
2208 Escape the tempfile name when constructing the expected output.
2210 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2212 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
2214 (aarch64_<su>mlsl_hi<mode>): ... This.
2215 (aarch64_<su>mlsl_hi<mode>): Define.
2216 (*aarch64_<su>mlsl<mode): Rename to...
2217 (aarch64_<su>mlsl<mode): ... This.
2218 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
2219 smlsl_hi, umlsl_hi): Define builtins.
2220 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
2221 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
2222 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
2223 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
2225 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
2227 * config/i386/i386-c.c (ix86_target_macros):
2228 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
2230 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
2233 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
2234 * Makefile.in (RTL_SSA_H): New variable.
2235 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
2236 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
2237 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
2239 * config/aarch64/aarch64-cc-fusion.cc: New file.
2241 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
2243 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
2244 calling cancel_changes for changes that no longer exist.
2246 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
2248 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
2249 (function_info::reg_defs): ...this.
2250 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
2251 (function_info::reg_defs): ...this.
2253 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2256 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
2258 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2261 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2264 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
2266 2021-01-15 Richard Biener <rguenther@suse.de>
2268 PR tree-optimization/96376
2269 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
2272 2021-01-15 Martin Liska <mliska@suse.cz>
2274 * doc/install.texi: Document that some tests need pytest module.
2275 * doc/sourcebuild.texi: Likewise.
2277 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2280 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
2282 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2284 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
2285 (mve_vshrq_n_u<mode>_imm): Likewise.
2286 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
2287 * config/arm/vec-common.md: ... here.
2289 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
2291 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
2293 * config/arm/neon.md (vashl<mode>3): Delete.
2294 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
2295 (vasl<mode>3): New expander.
2297 2021-01-15 Richard Biener <rguenther@suse.de>
2299 PR tree-optimization/98685
2300 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
2301 of vector extern defs.
2303 2021-01-14 David Malcolm <dmalcolm@redhat.com>
2306 * diagnostic.c (diagnostic_kind_text): Break out this array
2308 (diagnostic_build_prefix): ...here.
2309 (fancy_abort): Detect when diagnostic_initialize has not yet been
2310 called and fall back to a minimal implementation of printing the
2311 ICE, rather than segfaulting in internal_error.
2313 2021-01-14 David Malcolm <dmalcolm@redhat.com>
2315 * diagnostic.c (diagnostic_initialize): Eliminate
2316 parseable_fixits_p in favor of initializing extra_output_kind from
2317 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
2318 (convert_column_unit): New function, split out from...
2319 (diagnostic_converted_column): ...this.
2320 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
2321 Use them to call convert_column_unit on the column values.
2322 (diagnostic_report_diagnostic): Eliminate conditional on
2323 parseable_fixits_p in favor of a switch statement on
2324 extra_output_kind, passing the appropriate values to the new
2325 params of print_parseable_fixits.
2326 (selftest::test_print_parseable_fixits_none): Update for new
2327 params of print_parseable_fixits.
2328 (selftest::test_print_parseable_fixits_insert): Likewise.
2329 (selftest::test_print_parseable_fixits_remove): Likewise.
2330 (selftest::test_print_parseable_fixits_replace): Likewise.
2331 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
2333 (selftest::diagnostic_c_tests): Call it.
2334 * diagnostic.h (enum diagnostics_extra_output_kind): New.
2335 (diagnostic_context::parseable_fixits_p): Delete field in favor
2337 (diagnostic_context::extra_output_kind): ...this new field.
2338 * doc/invoke.texi (Environment Variables): Add
2339 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
2340 * opts.c (common_handle_option): Update handling of
2341 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
2344 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2346 * tree-vect-slp-patterns.c (class complex_operations_pattern,
2347 complex_operations_pattern::matches,
2348 complex_operations_pattern::recognize,
2349 complex_operations_pattern::build): New.
2350 (slp_patterns): Use it.
2352 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2354 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
2355 * optabs.def (cmls_optab, cmls_conj_optab): New.
2356 * doc/md.texi: Document them.
2357 * tree-vect-slp-patterns.c (class complex_fms_pattern,
2358 complex_fms_pattern::matches, complex_fms_pattern::recognize,
2359 complex_fms_pattern::build): New.
2361 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2363 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
2364 * optabs.def (cmla_optab, cmla_conj_optab): New.
2365 * doc/md.texi: Document them.
2366 * tree-vect-slp-patterns.c (vect_match_call_p,
2367 class complex_fma_pattern, vect_slp_reset_pattern,
2368 complex_fma_pattern::matches, complex_fma_pattern::recognize,
2369 complex_fma_pattern::build): New.
2371 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2373 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
2374 * optabs.def (cmul_optab, cmul_conj_optab): New.
2375 * doc/md.texi: Document them.
2376 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
2377 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
2378 vect_build_combine_node, class complex_mul_pattern,
2379 complex_mul_pattern::matches, complex_mul_pattern::recognize,
2380 complex_mul_pattern::build): New.
2382 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2384 * tree-vect-slp.c (optimize_load_redistribution_1): New.
2385 (optimize_load_redistribution, vect_is_slp_load_node): New.
2386 (vect_match_slp_patterns): Use it.
2388 2021-01-14 Tamar Christina <tamar.christina@arm.com>
2390 * tree-vect-slp-patterns.c (complex_add_pattern::build):
2393 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
2395 * config/gcn/mkoffload.c (main): Create an offload image only in
2396 64-bit configurations.
2398 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
2401 * config/i386/i386-options.c (ix86_option_override_internal):
2402 Issue an error for -fcf-protection with CF_BRANCH when compiling
2403 for 32-bit non-TARGET_CMOV targets.
2405 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
2408 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
2409 Remove declaration and initialization of shadow variable "ret".
2410 (ix86_option_override_internal): Remove delcaration of
2411 shadow variable "i". Redeclare shadowed variable to unsigned.
2412 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
2413 * config/i386/i386-builtins.c (get_builtin_code_for_version):
2414 Update for redeclaration.
2415 * config/i386/i386.h (pta_size): Ditto.
2417 2021-01-14 Richard Biener <rguenther@suse.de>
2419 PR tree-optimization/98674
2420 * tree-data-ref.c (base_supports_access_fn_components_p): New.
2421 (initialize_data_dependence_relation): For two bases without
2422 possible access fns resort to type size equality when determining
2423 shape compatibility.
2425 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
2428 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
2429 <=, >= operators in vcle and vcge intrinsics respectively.
2430 * config/arm/arm_neon_builtins.def: Remove entry for
2433 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
2436 * config/i386/i386-options.c (ix86_function_specific_save):
2437 Remove redundant assignment to opts->x_ix86_branch_cost.
2438 * config/i386/i386.c (ix86_prefetch_sse):
2439 Rename from x86_prefetch_sse. Update all uses.
2440 * config/i386/i386.h: Update for rename.
2441 * config/i386/i386-options.h: Ditto.
2443 2021-01-14 Jakub Jelinek <jakub@redhat.com>
2446 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
2447 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
2448 Use Bm instead of m for non-avx. Add isa attribute.
2450 2021-01-14 Jakub Jelinek <jakub@redhat.com>
2452 PR tree-optimization/96688
2453 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
2454 ~X can be simplified.
2456 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
2458 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
2459 IFN_LOAD_LANES results.
2461 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2463 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
2465 (aarch64_xtn<mode>): Likewise.
2466 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
2469 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
2471 (vmovl_s16): Likewise.
2472 (vmovl_s32): Likewise.
2473 (vmovl_u8): Likewise.
2474 (vmovl_u16): Likewise.
2475 (vmovl_u32): Likewise.
2476 (vmovn_s16): Likewise.
2477 (vmovn_s32): Likewise.
2478 (vmovn_s64): Likewise.
2479 (vmovn_u16): Likewise.
2480 (vmovn_u32): Likewise.
2481 (vmovn_u64): Likewise.
2483 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2485 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
2487 (aarch64_<su>qxtn2<mode>_be): Likewise.
2488 (aarch64_<su>qxtn2<mode>): Likewise.
2489 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
2491 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
2492 (su): Handle ss_truncate and us_truncate.
2493 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
2495 (vqmovn_high_s32): Likewise.
2496 (vqmovn_high_s64): Likewise.
2497 (vqmovn_high_u16): Likewise.
2498 (vqmovn_high_u32): Likewise.
2499 (vqmovn_high_u64): Likewise.
2501 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2503 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
2505 (aarch64_xtn2<mode>_be): Likewise.
2506 (aarch64_xtn2<mode>): Likewise.
2507 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
2509 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
2511 (vmovn_high_s32): Likewise.
2512 (vmovn_high_s64): Likewise.
2513 (vmovn_high_u16): Likewise.
2514 (vmovn_high_u32): Likewise.
2515 (vmovn_high_u64): Likewise.
2517 2021-01-13 Stafford Horne <shorne@gmail.com>
2519 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
2521 2021-01-13 Stafford Horne <shorne@gmail.com>
2523 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
2525 2021-01-13 Stafford Horne <shorne@gmail.com>
2527 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
2528 define for __or1k_hard_float__.
2530 2021-01-13 Stafford Horne <shorne@gmail.com>
2532 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
2533 (PROFILE_HOOK): Define to call _mcount.
2534 (FUNCTION_PROFILER): Change from abort to no-op.
2536 2021-01-13 Jakub Jelinek <jakub@redhat.com>
2538 PR tree-optimization/96691
2539 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
2540 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
2541 (~D ^ C) or (D ^ C) can be simplified.
2543 2021-01-13 Richard Biener <rguenther@suse.de>
2545 PR tree-optimization/92645
2546 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
2547 until after vector lowering.
2549 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
2551 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
2553 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
2554 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
2556 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
2558 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
2560 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
2561 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
2563 2021-01-13 Richard Biener <rguenther@suse.de>
2565 PR tree-optimization/92645
2566 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
2567 BIT_FIELD_REF argument.
2568 (vect_build_slp_tree_2): Record the desired vector type
2569 on the external vector def.
2570 (vectorizable_slp_permutation): Handle required punning
2571 of existing vector defs.
2573 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
2575 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
2577 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
2579 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
2581 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
2583 * config.gcc [$target == *-*-gnu*]: Enable
2584 'default_gnu_indirect_function'.
2586 2021-01-13 Jakub Jelinek <jakub@redhat.com>
2589 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
2590 registers before calling targetm.vectorize.vec_perm_const, only after
2592 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
2593 two argument permutation when one operand is zero vector and only
2594 after that force operands into registers.
2595 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
2596 define_insn_and_split pattern.
2597 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
2598 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
2599 (*avx2_zero_extendv8hiv8si2_1): Likewise.
2600 (*avx512f_zero_extendv8siv8di2_1): Likewise.
2601 (*avx2_zero_extendv4siv4di2_1): Likewise.
2602 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
2604 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
2605 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
2606 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
2607 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
2608 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
2609 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
2611 2021-01-13 Martin Liska <mliska@suse.cz>
2613 PR tree-optimization/98455
2614 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
2615 Record also virtual PHIs.
2616 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
2619 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
2621 * doc/invoke.texi (C++ Modules): Fix typos.
2623 2021-01-13 Richard Biener <rguenther@suse.de>
2625 PR tree-optimization/98640
2626 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
2627 handle plus or minus from a truncated operand to be
2630 2021-01-13 Jakub Jelinek <jakub@redhat.com>
2633 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
2634 define_insn_and_split patterns.
2635 (splitter after *btr<mode>_2): New splitter.
2637 2021-01-13 Martin Liska <mliska@suse.cz>
2640 * cgraphunit.c (analyze_functions): Remove dead code.
2642 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
2644 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
2645 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
2646 (a64fx_regmove_cost, a64fx_vector_cost): New.
2647 (a64fx_tunings): Use the new added cost tables.
2649 2021-01-13 Jakub Jelinek <jakub@redhat.com>
2652 * config/i386/predicates.md (pmovzx_parallel): New predicate.
2653 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
2654 define_insn_and_split pattern.
2655 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
2656 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
2658 2021-01-13 Julian Brown <julian@codesourcery.com>
2660 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
2663 2021-01-13 Julian Brown <julian@codesourcery.com>
2665 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
2668 2021-01-13 Julian Brown <julian@codesourcery.com>
2670 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
2671 for reciprocal-approximation instructions.
2672 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
2673 refinement and division result.
2674 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
2676 2021-01-13 Julian Brown <julian@codesourcery.com>
2678 * config/gcn/gcn-valu.md (subdf): Rename to...
2681 2021-01-12 Martin Liska <mliska@suse.cz>
2683 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
2685 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
2687 * function-abi.h: Fix typo.
2689 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
2693 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
2694 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
2695 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
2696 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
2697 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
2698 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
2699 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
2700 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
2701 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
2702 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
2703 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
2704 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
2705 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
2706 (ARM_HAVE_V2DI_LDST): Likewise.
2707 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
2708 (*movmisalign<mode>_mve_load): New pattern.
2709 * config/arm/neon.md (movmisalign<mode>): Move to ...
2710 * config/arm/vec-common.md: ... here.
2712 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
2715 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
2716 of pattern 'plus (plus (hard reg, const), pseudo)'.
2718 2021-01-12 Richard Biener <rguenther@suse.de>
2720 PR tree-optimization/98550
2721 * tree-vect-slp.c (vect_record_max_nunits): Check whether
2722 the group size is a multiple of the vector element count.
2723 (vect_build_slp_tree_1): When we need to fail because
2724 the vector type choosen causes unrolling do so lazily
2725 without affecting matches only at the end to guide group splitting.
2727 2021-01-12 Martin Liska <mliska@suse.cz>
2730 * optc-save-gen.awk: Compare also n_target_save vars with
2733 2021-01-12 Martin Liska <mliska@suse.cz>
2735 * gcov.c (source_info::debug): New.
2736 (print_usage): Add --debug (-D) option.
2737 (process_args): Likewise.
2738 (generate_results): Call src->debug after
2739 accumulate_line_counts.
2740 (read_graph_file): Properly assign id for EXIT_BLOCK.
2741 * profile.c (branch_prob): Dump function body before it is
2744 2021-01-12 Jakub Jelinek <jakub@redhat.com>
2746 PR tree-optimization/98629
2747 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
2748 unless returning non-zero.
2750 2021-01-12 Jakub Jelinek <jakub@redhat.com>
2752 PR tree-optimization/95731
2753 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
2754 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
2755 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
2756 only after optimize_range_tests_var_bound.
2758 2021-01-12 Jakub Jelinek <jakub@redhat.com>
2760 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
2761 * configure: Regenerated.
2763 2021-01-12 liuhongt <hongtao.liu@intel.com>
2766 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
2768 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
2771 2021-01-12 Alexandre Oliva <oliva@adacore.com>
2773 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
2775 (auto_end_imm_use_stmt_traverse): New struct.
2776 (FOR_EACH_IMM_USE_STMT): Use it.
2777 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
2779 * gimple-ssa-strength-reduction.c: ... here, ...
2780 * graphite-scop-detection.c: ... here, ...
2781 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
2782 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
2783 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
2784 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
2785 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
2786 * tree-vect-slp.c: ... and here, ...
2787 * doc/tree-ssa.texi: ... and the example here.
2789 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2791 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
2792 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
2793 (*sdiv_pow2<mode>3): New pattern.
2794 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
2795 Wrap the ASRD in an UNSPEC_PRED_X.
2796 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
2797 predicate with a constant PTRUE, if it isn't already.
2798 (*cond_<sve_int_op><mode>_z): Replace with...
2799 (*cond_<sve_int_op><mode>_any): ...this new pattern.
2801 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2803 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
2804 SVE_FULL_I to SVE_I.
2805 (*cond_bic<mode>_any): Likewise.
2807 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2809 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
2810 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
2813 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2815 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
2816 SVE_FULL_I to SVE_I.
2817 (*aarch64_cond_<su>abd<mode>_2): Likewise.
2818 (*aarch64_cond_<su>abd<mode>_any): Likewise.
2819 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
2820 for the max and min but not for the minus.
2821 (*aarch64_cond_<su>abd<mode>_3): New pattern.
2823 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2825 * config/aarch64/iterators.md (SVE_24I): New iterator.
2826 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
2827 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
2829 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2831 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
2832 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
2834 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
2835 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
2836 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
2837 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
2839 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2841 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
2842 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
2843 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
2846 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
2848 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
2849 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
2850 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
2852 2021-01-11 Martin Liska <mliska@suse.cz>
2855 * symtab-clones.h (clone_info::release): Release
2856 symtab::m_clones with ggc_delete as it's a GGC memory.
2858 2021-01-11 Matthias Klose <doko@ubuntu.com>
2860 * Makefile.in (LINK_PROGRESS): Show the link target.
2862 2021-01-11 Richard Biener <rguenther@suse.de>
2864 PR tree-optimization/91403
2865 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
2866 single-element interleaving group size at 4096 elements.
2868 2021-01-11 Richard Biener <rguenther@suse.de>
2870 PR tree-optimization/98526
2871 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
2872 of the actual reduction op for the regular case.
2873 (vectorizable_reduction): Cost the stmts
2874 vect_transform_reduction produces here.
2876 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
2878 * tree-ssa-forwprop.c (simplify_vector_constructor): For
2879 big-endian, use UNPACK[_FLOAT]_HI.
2881 2021-01-11 Tamar Christina <tamar.christina@arm.com>
2883 * tree-vect-slp-patterns.c (class complex_pattern,
2884 class complex_add_pattern): Add parameters to matches.
2885 (complex_add_pattern::build): Free memory.
2886 (complex_add_pattern::matches): Move validation end of match.
2887 (complex_add_pattern::recognize): Likewise.
2889 2021-01-11 Tamar Christina <tamar.christina@arm.com>
2891 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
2893 2021-01-11 Tamar Christina <tamar.christina@arm.com>
2895 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
2897 2021-01-11 Jakub Jelinek <jakub@redhat.com>
2899 PR tree-optimization/95867
2900 * tree-ssa-math-opts.h: New header.
2901 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
2902 (powi_as_mults): No longer static. Use build_one_cst instead of
2903 build_real. Formatting fix.
2904 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
2905 (attempt_builtin_powi): Handle multiplication reassociation without
2906 powi_fndecl using powi_as_mults.
2907 (reassociate_bb): For integral types don't require
2908 -funsafe-math-optimizations to call attempt_builtin_powi.
2910 2021-01-11 Jakub Jelinek <jakub@redhat.com>
2912 PR tree-optimization/95852
2913 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
2914 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
2915 allow in the bb any of the stmts in that vector, div_stmt and
2917 (arith_cast_equal_p): New function.
2918 (arith_overflow_check_p): Add cast_stmt argument, handle signed
2919 multiply overflow checks.
2920 (match_arith_overflow): Adjust caller. Handle signed multiply
2923 2021-01-11 Jakub Jelinek <jakub@redhat.com>
2925 PR tree-optimization/95852
2926 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
2927 (uaddsub_overflow_check_p): Renamed to ...
2928 (arith_overflow_check_p): ... this. Handle also multiplication
2929 with overflow check.
2930 (match_uaddsub_overflow): Renamed to ...
2931 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
2932 also multiplication with overflow check. Adjust function comment.
2933 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
2934 match_arith_overflow also for MULT_EXPR.
2936 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2938 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
2939 __builtin_convertvector.
2940 (vmovl_s16): Likewise.
2941 (vmovl_s32): Likewise.
2942 (vmovl_u8): Likewise.
2943 (vmovl_u16): Likewise.
2944 (vmovl_u32): Likewise.
2945 (vmovn_s16): Likewise.
2946 (vmovn_s32): Likewise.
2947 (vmovn_s64): Likewise.
2948 (vmovn_u16): Likewise.
2949 (vmovn_u32): Likewise.
2950 (vmovn_u64): Likewise.
2952 2021-01-11 Martin Liska <mliska@suse.cz>
2954 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
2955 (if_chain::is_beneficial): Delete clusters
2956 (find_conditions): Make second argument of conditions_in_bbs a
2957 pointer so that we control over it's lifetime.
2958 (pass_if_to_switch::execute): Delete them.
2960 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
2962 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
2965 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
2967 * config/vax/vax.md (cc): Remove mode attribute.
2968 (subst_<cc>, subst_f<cc>): Rename to...
2969 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
2970 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
2971 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
2972 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
2974 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
2976 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
2977 `const_double_zero'.
2979 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
2981 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
2982 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
2985 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
2987 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
2989 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
2990 with `const_double_zero'.
2991 * doc/rtl.texi (Constant Expression Types): Document it.
2993 2021-01-09 Jakub Jelinek <jakub@redhat.com>
2996 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
2997 POINTER_DIFF_EXPR to be any integral type.
2999 2021-01-09 Jakub Jelinek <jakub@redhat.com>
3001 PR rtl-optimization/98603
3002 * function.c (instantiate_virtual_regs_in_insn): For asm goto
3003 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
3004 if any, set ASM_OPERANDS mode to VOIDmode and change
3005 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
3007 2021-01-09 Alexandre Oliva <oliva@gnu.org>
3010 * final.c (notice_source_line): Narrow down the condition to
3011 skip a line-0 marker.
3013 2021-01-08 Sergei Trofimovich <siarheit@google.com>
3015 * ipa-modref.c (merge_call_side_effects): Fix
3016 linebreak split by reordering two print calls.
3018 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
3020 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
3021 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
3022 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
3023 consistency, fix constraint.
3025 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
3027 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
3028 callables instead of mask values.
3029 (struct target_flag_set_p): New predicate.
3030 (s390_cpu_cpp_builtins_internal): Define or undefine
3031 __LONG_DOUBLE_VX__ macro.
3033 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
3036 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
3037 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
3040 2021-01-08 Richard Biener <rguenther@suse.de>
3042 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
3044 2021-01-08 Richard Biener <rguenther@suse.de>
3046 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
3047 (vect_build_slp_tree): On cache hit release the matched
3048 scalar stmts vector.
3049 * tree-vect-stmts.c (vectorizable_store): Properly free
3050 vec_oprnds before possibly gathering them again.
3052 2021-01-08 Richard Biener <rguenther@suse.de>
3054 PR tree-optimization/98544
3055 * tree-vect-slp.c (vect_optimize_slp): Always materialize
3056 permutes at a permute node.
3058 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
3061 * config/i386/i386.c (x86_function_profiler): Use R10 to call
3062 mcount in large model. Sorry for large model with PIC.
3064 2021-01-08 Jakub Jelinek <jakub@redhat.com>
3067 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
3068 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
3069 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
3070 TargetSave and initialize for variables with enum types.
3071 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
3072 mstack-protector-guard-symbol=): Add Save.
3073 * config/i386/i386-options.c (ix86_function_specific_save,
3074 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
3075 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
3076 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
3077 x_ix86_veclibabi_type.
3079 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
3081 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
3082 SVE_FULL_I to SVE_I.
3083 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
3085 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
3087 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
3088 SVE_FULL_I to SVE_I.
3089 (*cond_uxt<mode>_any): Likewise.
3091 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3093 * config/aarch64/iterators.md (Vwhalf): New iterator.
3094 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
3096 (aarch64_<sur>adalp<mode>): ... This. Make more
3098 (<sur>sadv16qi): Adjust callsite of the above.
3099 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
3101 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
3103 (vpadal_s16): Likewise.
3104 (vpadal_u8): Likewise.
3105 (vpadal_u16): Likewise.
3106 (vpadalq_s8): Likewise.
3107 (vpadalq_s16): Likewise.
3108 (vpadalq_s32): Likewise.
3109 (vpadalq_u8): Likewise.
3110 (vpadalq_u16): Likewise.
3111 (vpadalq_u32): Likewise.
3113 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3115 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
3117 (aarch64_<su>abd<mode>): ... This.
3118 (<sur>sadv16qi): Adjust callsite of the above.
3119 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
3121 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
3123 (vabd_s16): Likewise.
3124 (vabd_s32): Likewise.
3125 (vabd_u8): Likewise.
3126 (vabd_u16): Likewise.
3127 (vabd_u32): Likewise.
3128 (vabdq_s8): Likewise.
3129 (vabdq_s16): Likewise.
3130 (vabdq_s32): Likewise.
3131 (vabdq_u8): Likewise.
3132 (vabdq_u16): Likewise.
3133 (vabdq_u32): Likewise.
3135 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3137 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
3139 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
3140 (vaba_s16): Likewise.
3141 (vaba_s32): Likewise.
3142 (vaba_u8): Likewise.
3143 (vaba_u16): Likewise.
3144 (vaba_u32): Likewise.
3145 (vabaq_s8): Likewise.
3146 (vabaq_s16): Likewise.
3147 (vabaq_s32): Likewise.
3148 (vabaq_u8): Likewise.
3149 (vabaq_u16): Likewise.
3150 (vabaq_u32): Likewise.
3152 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3154 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
3155 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
3156 Change RTL pattern to match.
3158 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
3160 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
3161 * config/riscv/riscv-c.c (riscv-subset.h): New.
3162 (INCLUDE_STRING): Define.
3163 (riscv_cpu_cpp_builtins): Add new style architecture extension
3165 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
3166 (riscv_subset_list::end): New.
3167 (riscv_current_subset_list): New.
3169 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
3171 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
3172 Move to riscv-subset.h.
3173 (struct riscv_subset_t): Ditto.
3174 (class riscv_subset_list): Ditto.
3175 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
3176 from riscv-common.c.
3177 (struct riscv_subset_t): Ditto.
3178 (class riscv_subset_list): Ditto.
3179 * config/riscv/t-riscv ($(common_out_file)): Add file
3182 2021-01-07 Jakub Jelinek <jakub@redhat.com>
3185 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
3186 New define_insn patterns.
3188 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
3190 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
3191 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
3192 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
3194 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
3196 PR tree-optimization/98560
3197 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
3198 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
3200 (vec_cond_direct): Likewise argument 2.
3201 (vec_condu_direct, vec_condeq_direct): Delete.
3202 (expand_vect_cond_optab_fn): Rename to...
3203 (expand_vec_cond_optab_fn): ...this, replacing old macro.
3204 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
3205 (expand_vect_cond_mask_optab_fn): Rename to...
3206 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
3207 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
3209 (direct_vec_cond_optab_supported_p): Likewise.
3210 (direct_vec_condu_optab_supported_p): Delete.
3211 (direct_vec_condeq_optab_supported_p): Delete.
3212 * gimple-isel.cc: Include internal-fn.h.
3213 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
3216 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
3218 PR tree-optimization/98560
3219 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
3220 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
3222 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
3224 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
3225 rotate_insn and optab code attributes.
3226 Update all uses to merged code attribute.
3227 * config/i386/sse.md: Update all uses to merged code attribute.
3228 * config/i386/mmx.md: Update all uses to merged code attribute.
3230 2021-01-07 Jakub Jelinek <jakub@redhat.com>
3232 PR tree-optimization/98568
3233 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
3234 (bswap_replace): Use it.
3236 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
3238 PR rtl-optimization/97978
3239 * lra-int.h (lra_hard_reg_split_p): New external.
3240 * lra.c (lra_hard_reg_split_p): New global.
3241 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
3242 * lra-assigns.c (lra_assign): Don't check allocation correctness
3243 after hard reg splitting.
3245 2021-01-06 Martin Sebor <msebor@redhat.com>
3248 * builtins.c (new_delete_mismatch_p): New overload.
3249 (new_delete_mismatch_p (tree, tree)): Call it.
3251 2021-01-06 Alexandre Oliva <oliva@adacore.com>
3253 * Makefile.in (T_GLIMITS_H): New.
3254 (stmp-int-hdrs): Depend on it, use it.
3255 * config/t-vxworks (T_GLIMITS_H): Override it.
3256 (vxw-glimits.h): New.
3258 2021-01-06 Richard Biener <rguenther@suse.de>
3260 PR tree-optimization/98513
3261 * value-range.cc (intersect_ranges): Compare the upper bounds
3262 for the expected relation.
3264 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3267 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
3269 * doc/standards.texi (HSAIL): Remove section.
3271 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
3273 * configure: Re-generate.
3275 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3277 * doc/invoke.texi (-std=c++20): Adjust for the publication of
3278 ISO 14882:2020 standard.
3279 * doc/standards.texi: Likewise.
3281 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3283 PR tree-optimization/94802
3284 * expr.h (maybe_optimize_sub_cmp_0): Declare.
3285 * expr.c: Include tree-pretty-print.h and flags.h.
3286 (maybe_optimize_sub_cmp_0): New function.
3287 (do_store_flag): Use it.
3288 * cfgexpand.c (expand_gimple_cond): Likewise.
3290 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3292 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
3293 * rtlanal.c (simple_regno_set): Tweak description to clarify the
3296 2021-01-05 Richard Biener <rguenther@suse.de>
3298 PR tree-optimization/98516
3299 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
3300 lanes when materializing on a VEC_PERM node.
3301 (vectorizable_slp_permutation): Dump the permute properly.
3303 2021-01-05 Richard Biener <rguenther@suse.de>
3305 * tree-vect-slp.c (vect_slp_region): Move debug counter
3306 to cover individual subgraphs.
3308 2021-01-05 Richard Biener <rguenther@suse.de>
3310 PR tree-optimization/98428
3311 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
3312 vector lane extracts for loop vectorization.
3314 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3316 PR tree-optimization/98514
3317 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
3319 (operand_rank): Change type from hash_map<tree, long> to
3320 hash_map<tree, int64_t>.
3321 (phi_rank): Change return type from long to int64_t.
3322 (loop_carried_phi): Change block_rank variable type from long to
3324 (propagate_rank): Change return type, rank parameter type and
3325 op_rank variable type from long to int64_t.
3326 (find_operand_rank): Change return type from long to int64_t
3327 and change slot variable type from long * to int64_t *.
3328 (insert_operand_rank): Change rank parameter type from long to
3330 (get_rank): Change return type and rank variable type from long to
3331 int64_t. Use PRId64 instead of ld to print the rank.
3332 (init_reassoc): Change rank variable type from long to int64_t
3333 and adjust correspondingly bb_rank and operand_rank initialization.
3335 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3337 PR tree-optimization/96928
3338 * tree-ssa-phiopt.c (xor_replacement): New function.
3339 (tree_ssa_phiopt_worker): Call it.
3341 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3343 PR tree-optimization/96930
3344 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
3345 from narrower value which has the same type as 1 << B, perform
3346 the right shift on the narrower value followed by extension.
3348 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3350 PR tree-optimization/96239
3351 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
3353 (get_status_for_store_merging): Don't return BB_INVALID for blocks
3354 with potential bswap optimizable CONSTRUCTORs.
3355 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
3358 2021-01-05 Richard Biener <rguenther@suse.de>
3360 PR tree-optimization/98381
3361 * tree.c (vector_element_bits): Properly compute bool vector
3363 * tree-vect-loop.c (vectorizable_live_operation): Properly
3364 compute the last lane bit offset.
3366 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
3369 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
3370 Clear the top 64 bytes of the input XMM register.
3371 (sse_cvttps2pi): Ditto.
3373 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
3376 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
3378 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
3381 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
3384 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
3386 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
3387 (umaddsidi4_split): Likewise.
3389 2021-01-05 liuhongt <hongtao.liu@intel.com>
3392 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
3393 define_insn_and_split for zero_extend of subreg HI of pmovskb
3395 (*sse2_pmovskb_zexthisi): Add new combine splitters for
3396 zero_extend of not of subreg HI of pmovskb result.
3398 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3401 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
3403 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
3404 convert_memory_address to convert symbolic immediates to ptr_mode
3405 before forcing them to memory.
3407 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3409 PR rtl-optimization/97144
3410 * recog.c (constrain_operands): Initialize matching_operand
3411 for each alternative, rather than only doing it once.
3413 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3415 PR rtl-optimization/98403
3416 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
3417 why we don't remove call clobbers.
3418 (function_info::apply_changes_to_insn): Don't attempt to add
3421 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
3423 PR tree-optimization/98371
3424 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
3425 (vect_analyze_loop): If an epilogue loop appears to be cheaper
3426 than the main loop, re-analyze it as a main loop before adopting
3429 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3432 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
3433 * aclocal.m4, configure: Regenerate.
3434 * Makefile.in (NETLIBS): Define.
3435 (BACKEND): Remove $(CODYLIB).
3437 2021-01-05 Jakub Jelinek <jakub@redhat.com>
3439 PR rtl-optimization/98334
3440 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
3441 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
3443 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
3445 * tree-inline.c (expand_call_inline): Restore input_location.
3446 Return result from recursive call.
3448 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
3450 PR tree-optimization/95401
3451 * config/aarch64/aarch64-sve-builtins.cc
3452 (gimple_folder::load_store_cookie): Use bits rather than bytes
3453 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
3454 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
3455 * tree-vect-stmts.c (vectorizable_store): Likewise.
3456 (vectorizable_load): Likewise.
3458 2021-01-04 Richard Biener <rguenther@suse.de>
3460 PR tree-optimization/98308
3461 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
3464 2021-01-04 Jakub Jelinek <jakub@redhat.com>
3466 PR tree-optimization/95771
3467 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
3468 with precision smaller than int's precision and types with precision
3469 twice as large as long long. Formatting fixes.
3471 2021-01-04 Richard Biener <rguenther@suse.de>
3473 PR tree-optimization/98464
3474 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
3475 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
3476 (process_bb): Adjust.
3478 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
3481 * doc/invoke.texi (-fsanitize=address): Fix wording describing
3482 clash with -fsanitize=hwaddress.
3484 2021-01-04 Richard Biener <rguenther@suse.de>
3486 PR tree-optimization/98282
3487 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
3488 invariants as VN_NARY.
3490 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
3493 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
3494 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
3495 to handle zero operands.
3497 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
3499 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
3500 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
3501 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
3504 2021-01-04 Richard Biener <rguenther@suse.de>
3506 PR tree-optimization/98393
3507 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
3508 when hitting the limit.
3510 2021-01-04 Richard Biener <rguenther@suse.de>
3512 PR tree-optimization/98291
3513 * tree-vect-loop.c (vectorizable_reduction): Bypass
3514 associativity check for SLP reductions with VF 1.
3516 2021-01-04 Jakub Jelinek <jakub@redhat.com>
3518 PR tree-optimization/96782
3519 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
3521 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
3523 * collect-utils.c (collect_execute): Check dumppfx.
3524 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
3526 (do_link): Add new parameter atsuffix.
3527 (main): Handle -dumpdir option. Skip one argument for
3528 -o, -isystem and -B options.
3529 * gcc.c (make_at_file): New helper function.
3530 (close_at_file): Use it.
3532 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3534 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
3535 Amend handling for LD64_VERSION fallback defaults.
3537 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3539 * config.gcc: Compute default version information
3540 from the configured target. Likewise defaults for
3542 * config/darwin10.h: Removed.
3543 * config/darwin12.h: Removed.
3544 * config/darwin9.h: Removed.
3545 * config/rs6000/darwin8.h: Removed.
3547 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3549 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
3551 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3553 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
3554 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
3556 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3558 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
3560 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
3562 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3564 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
3565 for the Darwin10 unwinder stub from here ...
3566 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
3568 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
3570 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
3571 (ASM_DEBUG_SPEC):Only define if the assembler supports
3573 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
3574 (DARWIN_PREFER_DWARF): Define.
3575 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
3576 (DARWIN_PREFER_DWARF): Likewise
3577 (DSYMUTIL_SPEC): Likewise.
3578 (COLLECT_RUN_DSYMUTIL): Likewise.
3579 (ASM_DEBUG_SPEC): Likewise.
3580 (ASM_DEBUG_OPTION_SPEC): Likewise.
3582 2021-01-02 Jan Hubicka <jh@suse.cz>
3584 * cfg.c (free_block): ggc_free bb.
3586 2021-01-01 Jakub Jelinek <jakub@redhat.com>
3588 * gcc.c (process_command): Update copyright notice dates.
3589 * gcov-dump.c (print_version): Ditto.
3590 * gcov.c (print_version): Ditto.
3591 * gcov-tool.c (print_version): Ditto.
3592 * gengtype.c (create_file): Ditto.
3593 * doc/cpp.texi: Bump @copying's copyright year.
3594 * doc/cppinternals.texi: Ditto.
3595 * doc/gcc.texi: Ditto.
3596 * doc/gccint.texi: Ditto.
3597 * doc/gcov.texi: Ditto.
3598 * doc/install.texi: Ditto.
3599 * doc/invoke.texi: Ditto.
3601 2021-01-01 Jakub Jelinek <jakub@redhat.com>
3603 * ChangeLog-2020: Rotate ChangeLog. New file.
3606 Copyright (C) 2021 Free Software Foundation, Inc.
3608 Copying and distribution of this file, with or without modification,
3609 are permitted in any medium without royalty provided the copyright
3610 notice and this notice are preserved.
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