1 2019-04-18 Richard Sandiford <richard.sandiford@arm.com>
3 * fold-const.c (int_const_binop): Return early on failure.
5 2019-04-18 Richard Sandiford <richard.sandiford@arm.com>
8 * combine.c (force_int_to_mode): Cast the argument rather than
9 the result of known_alignment.
10 * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
12 2019-04-18 Richard Biener <rguenther@suse.de>
15 * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
17 (remove_forwarder_block): ... here.
18 (remove_forwarder_block_with_phi): Also move debug stmts here.
20 2019-04-18 Jakub Jelinek <jakub@redhat.com>
23 * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
24 inform where appropriate.
26 2019-04-18 Richard Biener <rguenther@suse.de>
28 * tree.c (get_qualified_type): Put found type variants at the
29 head of the variant list.
31 2018-04-17 Segher Boessenkool <segher@kernel.crashing.org>
33 * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
35 2019-04-17 Hongtao Liu <hongtao.liu@intel.com>
38 * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
39 _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
40 _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
41 _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
42 _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
44 2019-04-17 Peter Bergner <bergner@linux.ibm.com>
46 * ira-conflicts.c (print_allocno_conflicts): Always print something,
47 even for allocno's with no conflicts.
48 (print_conflicts): Print an extra newline.
50 2019-04-17 Segher Boessenkool <segher@kernel.crashing.org>
52 * auto-inc-dec.c (attempt_change): Set the alignment of the
53 temporary memory to that of the original.
55 2019-04-17 Joao Moreira <jmoreira@suse.de>
57 * targhooks.c (default_print_patchable_function_entry): Emit
58 __patchable_function_entries section with writable flags to allow
59 relocation resolution.
61 2019-04-17 Jonny Grant <jg@jguk.org>
63 * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
65 2019-04-17 Jakub Jelinek <jakub@redhat.com>
68 * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
71 2019-04-17 Claudiu Zissulescu <claziss@synopsys.com>
73 * config/arc/arc.c (arc_init): Format diagnostic string.
74 (arc_override_options): Likewise.
75 (check_if_valid_regno_const): Likewise.
76 (arc_reorg): Likewise.
78 2019-04-17 Segher Boessenkool <segher@kernel.crashing.org>
81 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
83 (rs6000_emit_allocate_stack_1): Simplify condition. Adjust pattern
85 * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
86 (*movdi_update1): Use Pmode.
87 (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
88 (movdi_<mode>_update_stack): Rename to ...
89 (movdi_update_stack): ... this. Fix comment. Change condition. Don't
91 (*movsi_update1): Use Pmode.
92 (*movsi_update2): Use Pmode.
93 (movsi_update): Rename to ...
94 (movsi_<mode>_update): ... this. Use Pmode.
95 (movsi_update_stack): Fix condition.
96 (*movhi_update1): Use Pmode. Fix argument to
97 avoiding_indexed_address_p.
98 (*movhi_update2): Ditto.
99 (*movhi_update3): Ditto.
100 (*movhi_update4): Ditto.
101 (*movqi_update1): Ditto.
102 (*movqi_update2): Ditto.
103 (*movqi_update3): Ditto.
104 (*movsf_update1, *movdf_update1): Merge, rename to...
105 (*mov<mode>_update1): This. Use Pmode. Fix argument to
106 avoiding_indexed_address_p. Add "size" attribute.
107 (*movsf_update2, *movdf_update2): Merge, rename to...
108 (*mov<mode>_update2): This. Ditto.
109 (*movsf_update3): Use Pmode. Fix argument to
110 avoiding_indexed_address_p.
111 (*movsf_update4): Ditto.
112 (allocate_stack): Simplify condition. Adjust pattern names.
114 2019-04-17 Jakub Jelinek <jakub@redhat.com>
117 * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
118 whitespace at the start of target attribute string.
120 2019-04-16 Pat Haugen <pthaugen@us.ibm.com>
123 * config/rs6000/power9.md: Add store forwarding bypass.
125 2019-04-16 Alexandre Oliva <aoliva@redhat.com>
128 * valtrack.c (dead_debug_insert_temp): Reset debug references
129 to the return value of a call being removed.
131 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
133 * config/arc/arc-protos.h (arc_register_move_cost): Remove.
134 * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
135 implement target hook.
136 (arc_memory_move_cost): New function.
137 (TARGET_REGISTER_MOVE_COST): Define.
138 (TARGET_MEMORY_MOVE_COST): Likewise.
139 * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
140 (MEMORY_MOVE_COST): Likewise.
142 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
144 * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
145 (sibcall_value_insn): Likewise.
146 * config/arc/constraints.md (Rs5): Remove.
148 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
150 * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
151 for last two fake registers.
152 (arc_conditional_register_usage): Make sure fake frame and arg
153 pointer regs are in general regs class.
154 (FRAME_POINTER_MASK): Remove.
155 (RETURN_ADDR_MASK): Remove.
156 (arc_must_save_register): Use hard frame regnum.
157 (frame_restore_reg): Use hard_frame_pointer_rtx.
158 (arc_save_callee_saves): Likewise.
159 (arc_restore_callee_saves): Likewise.
160 (arc_save_callee_enter): Likewise.
161 (arc_restore_callee_leave): Likewise.
162 (arc_save_callee_milli): Likewise.
163 (arc_eh_return_address_location): Likewise.
164 (arc_check_multi): Use hard frame regnum.
165 (arc_can_eliminate): Likewise.
166 * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
167 for register allocator.
168 (REG_CLASS_CONTENTS): Update GENERAL_REGS.
169 (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
170 (FRAME_POINTER_REGNUM): Change it to a fake register.
171 (HARD_FRAME_POINTER_REGNUM): Defined.
172 (ARG_POINTER_REGNUM): Change it to a new fake register.
173 (ELIMINABLE_REGS): Update.
174 (REGISTER_NAMES): Update names.
175 * config/arc/arc.md (LP_START): Remove.
177 (shift_si3_loop): Update pattern.
179 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
181 * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
182 to avoid delay slot scheduling.
183 (arc_must_save_register): Don't save SP.
184 * config/arc/arc.md (stack_tie): Remove.
185 (UNSPEC_ARC_STKTIE): Likewise.
187 2019-04-16 Kito Cheng <kito.cheng@gmail.com>
188 Shiva Chen <shiva0217@gmail.com>
190 * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
191 code gen with large shift amount.
193 2019-04-16 Chung-Ju Wu <jasonwucj@gmail.com>
195 * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
198 2019-04-16 Jakub Jelinek <jakub@redhat.com>
201 * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
202 print -m64/-mx32/-m32 if it is true.
203 (ix86_debug_options, ix86_function_specific_print): Pass true as
204 ADD_ABI_P to ix86_target_string.
205 (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
206 ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
207 or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
209 PR rtl-optimization/90082
210 * dce.c (can_delete_call): New function.
211 (deletable_insn_p, mark_insn): Use it.
213 PR tree-optimization/90090
214 * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
216 (is_division_by_square): Likewise. Formatting fix.
218 2019-04-16 Richard Biener <rguenther@suse.de>
220 PR tree-optimization/56049
221 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
222 equality check if alias-set zero will prevail.
224 2019-04-15 Jeff Law <law@redhat.com>
226 * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
227 size and alignment as unsigned.
229 2019-04-15 Richard Biener <rguenther@suse.de>
232 * tree-loop-distribution.c (destroy_loop): Preserve correct
235 2019-04-15 Richard Biener <rguenther@suse.de>
237 PR tree-optimization/90071
238 * tree-ssa-reassoc.c (init_range_entry): Do not pick up
239 abnormal operands from def stmts.
241 2019-04-15 Richard Biener <rguenther@suse.de>
244 * tree.h (auto_var_p): Declare.
245 * tree.c (auto_var_p): New function, split out from ...
246 (auto_var_in_fn_p): ... here.
247 * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
249 (new_var_info): Initialize it.
250 (set_uids_in_ptset): Also set the shadow variable uid if required.
251 (ipa_pta_execute): Postprocess points-to solutions assigning
252 shadow variable uids for locals that may reach their containing
253 function recursively.
254 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
255 assert but instead check whether the points-to solution is
258 2019-04-15 Martin Jambor <mjambor@suse.cz>
261 * cgraph.c (clone_of_p): Loop over clone chain for each step in
264 2019-04-15 Monk Chiang <sh.chiang04@gmail.com>
266 * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
268 2019-04-15 Monk Chiang <sh.chiang04@gmail.com>
269 Kito Cheng <kito.cheng@gmail.com>
270 Shiva Chen <shiva0217@gmail.com>
272 * config/nds32/nds32-md-auxiliary.c
273 (nds32_legitimize_pic_address): Use new PIC pattern.
274 (nds32_legitimize_tls_address): Use new TLS pattern.
275 (nds32_output_symrel): New.
276 * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
277 (nds32_alloc_relax_group_id): Ditto.
278 * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
279 (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
281 (nds32_group_tls_insn): Ditto.
282 (nds32_group_float_insns): Ditto.
283 * config/nds32/nds32.md (tls_le): New.
286 2019-04-15 Chung-Ju Wu <jasonwucj@gmail.com>
288 * configure: Add nds32 target for dwarf2 debug_line checking.
289 * configure.ac: Regenerated.
291 2019-04-14 Jan Hubicka <hubicka@ucw.cz>
294 * ipa-devirt.c (skip_in_fields_list_p): New.
295 (odr_types_equivalent_p): Use it.
297 2019-04-13 Jakub Jelinek <jakub@redhat.com>
300 * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
301 instead of strncmp when checking for thumb and arm. Formatting fixes.
303 2019-04-12 Iain Buclaw <ibuclaw@gdcproject.org>
305 * doc/install.texi: Document --with-target-system-zlib.
307 2019-04-12 Martin Sebor <msebor@redhat.com>
313 * targhooks.c (default_vector_alignment): Avoid assuming
314 argument fits in SHWI.
315 * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
317 * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
319 2019-04-12 Jakub Jelinek <jakub@redhat.com>
321 PR rtl-optimization/89965
322 * dce.c: Include rtl-iter.h.
323 (struct check_argument_load_data): New type.
324 (check_argument_load): New function.
325 (find_call_stack_args): Check for loads from stack slots still tracked
326 in sp_bytes and punt if any is found.
328 * config/mips/loongson-mmiintrin.h: Fix up #error message.
330 2019-04-12 Jan Hubicka <hubicka@ucw.cz>
332 * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
333 * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
335 2019-04-12 Martin Liska <mliska@suse.cz>
338 * multiple_target.c (create_dispatcher_calls): Wrap ifunc
340 (separate_attrs): Handle multiple 'default's.
341 (expand_target_clones): Rework error handling code.
343 2019-04-12 Kelvin Nilsen <kelvin@gcc.gnu.org>
346 * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
347 mode of vector rather than mode of destination for move instruction.
348 * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
349 Use QI inner mode with V16QI vector mode.
351 2019-04-12 Jakub Jelinek <jakub@redhat.com>
354 * config/tilepro/tilepro.c (tilepro_print_operand): Use just
355 "invalid %%t operand" in output_operand_lossage message.
357 2019-04-12 Andreas Krebbel <krebbel@linux.ibm.com>
359 * config/s390/predicates.md (permute_pattern_operand): New
361 * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
362 operand for the permute pattern.
363 ("*vec_perm<mode>"): New insn definition.
364 ("bswap<mode>"): Generate the permute pattern operand in the
365 expander and perform the operand reloads for pre arch13 level
367 ("*bswap<mode>_emu"): Rename to ...
368 ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
369 * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
370 Add the USE operand for the permute pattern.
371 ("*vec_set_bswap_vec<mode>"): Likewise.
373 2019-04-12 Jakub Jelinek <jakub@redhat.com>
376 * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
377 and gcc_unreachable if it fails, just call tree_to_uhwi which
378 verifies that too. Test TREE_CHAIN instead of list_length > 1.
379 Start warning message with a lower-case letter. Formatting fixes.
381 PR rtl-optimization/90026
382 * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
383 successors, look for BARRIERs inside of the whole BB_FOOTER chain
384 rather than just at the start of it. If e->src BB_FOOTER is not NULL
385 in cfglayout mode, use emit_barrier_after_bb.
387 2018-04-11 Steve Ellcey <sellcey@marvell.com>
389 PR rtl-optimization/87763
390 * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
393 2019-04-11 Tom de Vries <tdevries@suse.de>
395 * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
396 max macro using statement expression.
398 2019-04-11 David Edelsohn <dje.gcc@gmail.com>
400 * xcoffout.h (xcoff_private_rodata_section_name): Declare.
401 * xcoffout.c (xcoff_private_rodata_section_name): Define.
402 * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
403 read_only_private_data_section using xcoff_private_rodata_section_name.
404 (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
406 2019-04-11 Christophe Lyon <christophe.lyon@linaro.org>
409 * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
411 2019-04-11 Jakub Jelinek <jakub@redhat.com>
413 PR rtl-optimization/89965
414 * dce.c (sp_based_mem_offset): New function.
415 (find_call_stack_args): Use sp_based_mem_offset.
417 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
419 * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
421 2019-04-11 Richard Biener <rguenther@suse.de>
423 PR tree-optimization/90020
424 * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
425 * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
426 * tree-ssa-pre.c (compute_avail): Use it to not put
427 possibly trapping references after a call that might not
429 * gcse.c (compute_hash_table_work): Do not elide
430 marking a block containing a call if the call might not
433 2019-04-11 Richard Biener <rguenther@suse.de>
435 PR tree-optimization/90018
436 * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
437 Test both SLP and interleaving variants.
439 2019-04-11 Robin Dapp <rdapp@linux.ibm.com>
441 * config/s390/8561.md: New file.
442 * config/s390/driver-native.c (s390_host_detect_local_cpu):
443 Add arch13 cpu model.
444 * config/s390/s390-opts.h (enum processor_type): Likewise.
445 * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
446 (s390_get_unit_mask): Likewise.
447 (s390_is_fpd): Likewise.
448 (s390_is_fxd): Likewise.
449 * config/s390/s390.h (s390_tune_attr): Likewise.
450 * config/s390/s390.md: Include arch13 pipeline description.
451 * config/s390/s390.opt: Add arch13.
453 2018-04-10 Steve Ellcey <sellcey@marvell.com>
455 PR rtl-optimization/87763
456 * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
458 * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
460 * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
462 (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
463 (*aarch64_bfi<GPI:mode>4_noand): Ditto.
464 (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
465 (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
467 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
469 * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
470 "Although" in -fipa-icf documentation.
472 * doc/invoke.texi (Debugging Options): Explicitly state the semantics
473 of using multiple -g options.
475 2019-04-10 Martin Liska <mliska@suse.cz>
477 PR gcov-profile/89959
478 * doc/gcov.texi: Make documentation of -x option
481 2019-04-10 Richard Biener <rguenther@suse.de>
483 * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
485 (DR_GROUP_SAME_DR_STMT): Remove.
486 * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
487 * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
489 (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
490 (vect_record_grouped_load_vectors): Remove unreachable code.
492 2019-04-10 Richard Earnshaw <rearnsha@arm.com>
495 * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
496 obsolete reference to N.
498 2019-04-10 Jakub Jelinek <jakub@redhat.com>
501 * expr.c (store_expr): Set properly size on the MEM passed to
505 * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
506 with strlen in between hostsz-3 and hostsz-1 inclusive when no
507 translation is needed, and when translation is needed, only append
508 ... if the string length is hostsz or more bytes long. Avoid using
511 2019-04-09 Matthew Malcomson <matthew.malcomson@arm.com>
514 * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
515 * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
517 * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
518 differences directly.
519 (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
521 2019-04-09 Jakub Jelinek <jakub@redhat.com>
524 * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
526 * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
528 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
529 * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
530 * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
531 trailing space from -gsplit-dwarf diagnostics.
533 PR tree-optimization/89998
534 * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
535 instead of integer_type_node if possible, don't add ranges if return
536 type is not compatible with int.
537 * gimple-fold.c (gimple_fold_builtin_sprintf,
538 gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
541 2019-04-09 Martin Liska <mliska@suse.cz>
543 * Makefile.in: Use GENERATOR_CFLAGS for all generators.
544 * doc/install.texi: Document the new config.
546 2019-04-09 Richard Sandiford <richard.sandiford@arm.com>
548 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
549 use gimple_expr_type for load and store calls. Skip over the
550 condition argument in a conditional internal function.
551 Protect use of TREE_INT_CST_LOW.
553 2019-04-09 Jakub Jelinek <jakub@redhat.com>
556 * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
557 (riscv_merge_decl_attributes): Fix typo in diagnostics. Remove
558 trailing period from it too.
560 2019-04-08 wu yuan <wuyuan5@huawei.com>
562 * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
563 * config/aarch64/aarch64.md : Add "tsv110.md"
564 * config/aarch64/tsv110.md: New file.
566 2019-04-08 Richard Biener <rguenther@suse.de>
568 PR tree-optimization/90006
569 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
572 2019-04-08 Andrea Corallo <andrea.corallo@arm.com>
575 * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
577 (fma_root_node): Likewise.
578 (func_fma_steering): Likewise.
580 2019-04-08 Jakub Jelinek <jakub@redhat.com>
582 PR rtl-optimization/89865
583 * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
585 PR rtl-optimization/89865
586 * config/i386/i386.md
587 (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
588 numbers not to clash with the additional operands[4].
589 (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
590 with extra register copy in the middle.
592 2019-04-08 Martin Liska <mliska@suse.cz>
594 PR gcov-profile/89961
595 * doc/gcov.texi: Document data_file.
596 * gcov.c (generate_results): Add data_info into JSON output.
598 2019-04-01 Bin Cheng <bin.cheng@linux.alibaba.com>
600 PR tree-optimization/89725
601 * tree-chrec.c (chrec_contains_symbols): New parameter. Handle outer
602 loop's chrec as invariant symbol.
603 * tree-chrec.h (chrec_contains_symbols): New parameter.
604 * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
605 (build_classic_dist_vector_1, add_other_self_distances): Bypass access
606 function of loops not in DDR's loop_nest.
607 * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
609 2019-04-08 Chenghua Xu <paul.hua.gm@gmail.com>
612 * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
615 2019-04-07 Uroš Bizjak <ubizjak@gmail.com>
618 * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
619 Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
621 2019-04-05 Joern Rennecke <joern.rennecke@embecosm.com>
623 * sched-deps.c (sched_macro_fuse_insns): Check return value of
624 targetm.fixed_condition_code_regs.
626 2019-04-05 Richard Biener <rguenther@suse.de>
630 * tree-cfgcleanup.c (remove_forwarder_block): Always move
631 debug bind stmts but reset them if they are not valid at the
634 2019-04-05 Martin Liska <mliska@suse.cz>
637 * collect-utils.c (collect_execute): Use %< and %>, or %qs in
638 order to wrap keywords or arguments.
639 * collect2.c (main): Likewise.
640 (scan_prog_file): Likewise.
641 (scan_libraries): Likewise.
642 * common/config/riscv/riscv-common.c
643 (riscv_subset_list::parsing_subset_version): Likewise.
644 (riscv_subset_list::parse_std_ext): Likewise.
645 * config/aarch64/aarch64.c (aarch64_override_options_internal):
647 * config/arm/arm.c (arm_option_override): Likewise.
648 * config/cris/cris.c (cris_print_operand): Likewise.
649 * config/darwin-c.c (darwin_pragma_options): Likewise.
650 (darwin_pragma_unused): Likewise.
651 (darwin_pragma_ms_struct): Likewise.
652 * config/ft32/ft32.c (ft32_print_operand): Likewise.
653 * config/i386/i386.c (print_reg): Likewise.
654 (ix86_print_operand): Likewise.
655 * config/i386/xm-djgpp.h: Likewise.
656 * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
657 * config/m32c/m32c.c (m32c_option_override): Likewise.
658 * config/msp430/msp430.c (msp430_option_override): Likewise.
659 * config/nds32/nds32.c (nds32_option_override): Likewise.
660 * config/nvptx/mkoffload.c (main): Likewise.
661 * config/rx/rx.c (rx_print_operand): Likewise.
662 (valid_psw_flag): Likewise.
663 * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
664 (vms_pragma_nomember_alignment): Likewise.
665 (vms_pragma_extern_model): Likewise.
666 * lto-wrapper.c (compile_offload_image): Likewise.
667 * omp-offload.c (oacc_parse_default_dims): Likewise.
668 * symtab.c (symtab_node::verify_base): Likewise.
669 * tlink.c (recompile_files): Likewise.
670 (start_tweaking): Likewise.
671 * tree-profile.c (parse_profile_filter): Likewise.
673 2019-04-05 Richard Sandiford <richard.sandiford@arm.com>
675 PR tree-optimization/89956
676 * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
677 multiple negates of the same value.
679 2019-04-04 Martin Sebor <msebor@redhat.com>
683 * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
684 have the same precision since the function crashes otherwise.
685 * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
686 has non-zero arguments.
688 2019-04-04 Martin Sebor <msebor@redhat.com>
691 * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
692 out if the number of arguments is less than expected.
694 2019-04-04 Jeff Law <law@redhat.com>
696 PR rtl-optimization/89399
697 * ree.c (combine_set_extension): Use single_set rather than
698 digging into PATTERN for items on the candidate list.
699 (combine_reaching_defs): Likewise.
701 2019-04-04 Richard Sandiford <richard.sandiford@arm.com>
703 PR rtl-optimization/46590
704 * loop-invariant.c (find_defs): Move df_remove_problem and
705 df_process_deferred_rescans to move_invariants.
706 Move df_live_add_problem and df_live_set_all_dirty calls
708 (move_invariants): Likewise.
709 (move_loop_invariants): Likewise, making the df_live calls
710 conditional on -O. Remove the problem again if we added it
713 2019-04-03 qing zhao <qing.zhao@oracle.com>
715 PR tree-optimization/89730
716 * ipa-inline.c (can_inline_edge_p): Delete the checking for
717 -flive-patching=inline-only-static.
718 (can_inline_edge_by_limits_p): Add the checking for
719 -flive-patching=inline-only-static and grant always_inline
720 even when -flive-patching=inline-only-static is specified.
722 2019-04-03 Jeff Law <law@redhat.com>
724 PR rtl-optimization/81025
725 * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
727 2019-04-03 Richard Biener <rguenther@suse.de>
729 PR tree-optimization/84101
730 * tree-vect-stmts.c: Include explow.h for hard_function_value,
731 regs.h for hard_regno_nregs.
732 (cfun_returns): New helper.
733 (vect_model_store_cost): When vectorizing a store to a decl
734 we return and the function ABI returns in a multi-reg location
735 account for the possible spilling that will happen.
737 2019-04-03 Andreas Krebbel <krebbel@linux.ibm.com>
739 * config/s390/s390.c (s390_legitimate_address_p): Reject long
740 displacement addresses for vector mode operands.
742 2019-04-03 Claudiu Zissulescu <claziss@synopsys.com>
744 * config/arc/arc.c (GMASK_LEN): Define.
745 (arc_restore_callee_saves): Restore first blink when
748 2019-04-03 Sudakshina Das <sudi.das@arm.com>
750 * doc/extend.texi: Add deprecated comment on sign-return-address
751 function attribute and add mbranch-protection.
752 * doc/invoke.texi: Add bti to the options for mbranch-protection.
754 2019-04-03 Richard Biener <rguenther@suse.de>
757 * lto-wrapper.c (run_gcc): Avoid implicit rules making
758 the all target phony.
760 2019-04-02 Uroš Bizjak <ubizjak@gmail.com>
764 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
765 Return false for variable DImode shifts.
766 (dimode_scalar_chain::compute_convert_gain): Do not handle
767 register count operand in variable DImode shifts.
768 (dimode_scalar_chain::make_vector_copies): Remove support to copy
769 count argument of a variable shift instruction to a vector register.
770 (dimode_scalar_chain::convert_reg): Remove support to convert
771 count argument of a variable shift instruction.
773 2019-04-02 Andrey Belevantsev <abel@ispras.ru>
775 PR rtl-optimization/84206
776 * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
777 iterating over loop headers.
779 2019-04-02 Andrey Belevantsev <abel@ispras.ru>
781 PR rtl-optimization/85876
782 * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
783 beyond the original fence.
785 2019-04-02 Ulrich Weigand <uweigand@de.ibm.com>
787 * config.gcc: Mark spu* targets as deprecated/obsolete.
789 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
791 * config/s390/s390-builtin-types.def: New builtin function type
792 definitions. Remove unused types.
793 * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
794 (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
795 (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
797 (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
798 (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
799 * config/s390/vecintrin.h (vec_float): New builtin macro definition.
800 (vec_double, vec_signed, vec_unsigned): Define to use the new
802 * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
805 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
807 * config/s390/s390-builtin-types.def: New builtin function type
809 * config/s390/s390-builtins.def (s390_vec_search_string_cc)
810 (s390_vec_search_string_until_zero_cc): New overloaded builtins.
811 (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
812 (s390_vstrszh, s390_vstrszf): New low-level builtins.
813 * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
814 constant definitions.
815 * config/s390/vecintrin.h (vec_search_string_cc)
816 (vec_search_string_until_zero_cc): New builtin name definitions.
817 * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
819 ("vec_vstrs<mode>"): New insn definition.
821 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
823 * config/s390/s390-builtin-types.def: Add new builtin function
825 * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
826 New overloaded builtins.
827 (s390_vec_sldb, s390_vec_srdb): New low-level builtins. and
829 * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
830 (UNSPEC_VEC_SLDBYTE): ... this.
831 (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
832 * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
834 * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
835 Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
836 ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
838 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
840 ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
842 * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
843 * config/s390/vector.md (V_HW_HSD): ... here.
845 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
847 * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
848 * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
849 ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
850 ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
851 New insn definitions.
853 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
855 * config/s390/s390-builtin-types.def: Add new builtin function type.
856 * config/s390/s390-builtins.def: Add overloaded builtin
857 s390_vec_reve and low-level builtins for s390_vler and s390_vster.
858 * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
859 * config/s390/vecintrin.h (vec_reve): New builtin name definition.
860 * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
861 ("eltswap<mode>"): New expander.
862 ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
865 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
867 * config/s390/s390-builtin-types.def: Add new builtin function types.
868 * config/s390/s390-builtins.def: Add overloaded builtin
869 s390_vec_revb. Add low-level builtins for vlbr and vstbr
871 * config/s390/vecintrin.h (vec_revb): New builtin name definition.
872 * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
873 ("bswap<mode>"): New expander.
874 ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
876 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
878 * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
879 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
880 vector builtin version number in __VEC__.
882 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
884 * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
886 (SFSI): New mode attribute.
887 ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
888 ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
890 ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
891 ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
892 ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
893 ("floatsi<mode>2"): Add wcefb instruction.
895 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
897 * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
898 * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
900 ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
901 ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
902 support 32 bit fp-int conversions. Rename to ...
903 ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
904 ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
905 ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
906 ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
909 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
911 * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
912 if-then-else constructs if we can use the select instruction.
913 * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
915 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
917 * config/s390/s390.md ("*popcountdi_arch13_cc")
918 ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
920 ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
921 Append _z196 to make it ...
922 ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
923 ("popcounthi2_z196"): ... this.
924 ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
925 ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
927 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
929 * config/s390/s390.c (s390_canonicalize_comparison): Convert
930 certain compares for arch13 in order to make use of the condition
931 code result produced by the new instructions.
932 (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
933 nxrk, and nxgrk instruction patterns.
934 * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
935 (inv_no): Add new code iterator together with some attributes.
936 ("*andc_split_<mode>"): Disable splitter for arch13.
937 ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
938 ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
939 ("*<ANDOR:bitops_name>c<GPR:mode>")
940 ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
941 ("*n<ANDOR:inv_bitops_name><mode>_cconly")
942 ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
943 ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
945 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
947 * common/config/s390/s390-common.c (processor_flags_table): New
949 * config.gcc: Support arch13 with the --with-arch= configure flag.
950 * config/s390/driver-native.c (s390_host_detect_local_cpu):
951 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
952 * config/s390/s390.c (s390_get_sched_attrmask)
953 (s390_get_unit_mask): Add PROCESSOR_ARCH13.
954 * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
955 * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
956 (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
957 (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
959 * config/s390/s390.opt: Support arch13 as processor type in
960 command line options.
962 2019-04-02 Martin Liska <mliska@suse.cz>
965 * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
966 Fix param description of graphite-max-arrays-per-scop.
968 2019-04-02 Eric Botcazou <ebotcazou@adacore.com>
970 * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
971 (ASAN_CC1_SPEC): Use it in 64-bit mode.
972 * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
974 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
976 PR rtl-optimization/85412
977 * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
978 sel_sched_region_1, not after.
980 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
982 PR rtl-optimization/86928
983 * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
984 compute_live if necessary.
985 (sel_redirect_edge_and_branch): Likewise.
987 2019-04-01 Vladimir Makarov <vmakarov@redhat.com>
989 PR rtl-optimization/89865
990 * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
991 register if it is a part of small class.
993 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
995 PR rtl-optimization/87273
996 * sel-sched-ir.c (merge_fences): Remove assert.
998 2019-04-01 Richard Biener <rguenther@suse.de>
1000 PR tree-optimization/46590
1001 * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
1002 (dom_walker::m_reachability): Add in place of...
1003 (dom_walker::m_skip_unreachable_blocks): ...this.
1004 * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
1005 Move complex initialization ...
1006 (dom_walker::walk): Here. Especially compute m_bb_to_rpo
1007 lazily and initialize edge flags on each invocation.
1008 (dom_walker::bb_reachable): Use m_reachability.
1010 2019-04-01 Martin Liska <mliska@suse.cz>
1013 * opt-suggestions.c (option_proposer::build_option_suggestions):
1014 Add variant without any argument in order to provide better
1017 2019-04-01 Richard Biener <rguenther@suse.de>
1020 * gimple.c: Include langhooks.h.
1021 (gimple_get_alias_set): Treat enumeral types as the underlying
1024 2019-03-29 Kugan Vivekanandarajah <kuganv@linaro.org>
1025 Eric Botcazou <ebotcazou@adacore.com>
1027 PR rtl-optimization/89862
1028 * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
1029 that operates on the full registers for WORD_REGISTER_OPERATIONS
1032 2019-03-29 Jim Wilson <jimw@sifive.com>
1034 * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
1035 Clear MASK_RVC and then set if C subset supported.
1037 2019-03-29 Jakub Jelinek <jakub@redhat.com>
1040 * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
1041 non-addressable complit into its initializer if it is volatile.
1043 2019-03-29 Roman Zhuykov <zhroma@ispras.ru>
1045 * opts-common.c (integral_argument): Set errno properly in one case.
1047 2019-03-29 Martin Liska <mliska@suse.cz>
1049 * doc/invoke.texi: Remove -Wchkp from documentation.
1051 2019-03-29 Martin Liska <mliska@suse.cz>
1053 * dbgcnt.c (print_limit_reach): New function.
1056 2019-03-29 Martin Liska <mliska@suse.cz>
1058 * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
1059 (dbg_cnt_process_opt): Parse first tokens aas
1060 dbg_cnt_process_single_pair is also using strtok.
1062 2019-03-29 Jakub Jelinek <jakub@redhat.com>
1064 PR rtl-optimization/87485
1065 * function.c (expand_function_end): Move stack_protect_epilogue
1066 before loading of return value into hard register(s).
1068 2019-03-28 Jakub Jelinek <jakub@redhat.com>
1071 * tree-inline.h (struct copy_body_data): Add
1072 dont_remap_vla_if_no_change flag.
1073 * tree-inline.c (remap_type_3, remap_type_2): New functions.
1074 (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
1075 and remap_type_2 returns false.
1076 * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
1077 Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
1078 only from where it is copied to nested contexts.
1080 2019-03-28 Uroš Bizjak <ubizjak@gmail.com>
1083 * config/i386/i386.md (RMW operation with LEA peephole):
1084 Use LEAMODE mode attribute instead of SWI mode iterator for
1087 2019-03-28 Uroš Bizjak <ubizjak@gmail.com>
1090 * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
1091 Also process XEXP (src, 0) of a shift insn.
1093 2019-03-28 David Malcolm <dmalcolm@redhat.com>
1096 * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
1097 Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
1099 2019-03-28 Jakub Jelinek <jakub@redhat.com>
1101 * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
1103 (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
1104 (pass_cprop_hardreg::execute): Use those. Don't repeat bb processing
1105 immediately after first one with df_analyze in between, but rather
1106 process all bbs, queueing ones that need second pass in a worklist,
1107 df_analyze, process queued debug insn changes and if second pass is
1108 needed, process bbs from worklist, df_analyze, process queued debug
1111 * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
1112 or CALL_P instead of INSN_P && !DEBUG_INSN_P.
1113 (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
1115 2019-03-28 Jonathan Wakely <jwakely@redhat.com>
1118 * gengtype.h (create_nested_ptr_option): Fix parameter names to match
1121 2019-03-27 Mateusz B <mateuszb@poczta.onet.pl>
1124 * config/i386/i386.c (ix86_function_value_1): Call the newly added
1125 function for 32-bit MS_ABI.
1126 (function_value_ms_32): New function.
1128 2019-03-27 Andrew Stubbs <ams@codesourcery.com>
1130 * config/gcn/gcn.md (CC_SAVE_REG): New constant.
1131 (movdi): Call gen_movdi_symbol_save_scc.
1132 (gen_movdi_symbol_save_scc): New insn and split.
1134 2019-03-27 Peter Bergner <bergner@linux.ibm.com>
1136 PR rtl-optimization/89313
1137 * function.c (matching_constraint_num): New static function.
1138 (match_asm_constraints_1): Use it. Fixup white space and comment.
1139 Don't replace inputs with non-matching constraints which conflict
1140 with early clobber outputs.
1142 2019-03-27 Jeff Law <law@redhat.com>
1145 PR rtl-optimization/87761
1146 PR rtl-optimization/89826
1147 * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
1149 (pass_cprop_hardreg::execute): Call df_analyze after adding the
1150 note problem to get REG_DEAD/REG_UNUSED notes updated.
1152 2019-03-27 Richard Biener <rguenther@suse.de>
1154 PR tree-optimization/89463
1155 * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
1156 queue edges to remove.
1157 (eliminate_unnecessary_stmts): Remove dead PHIs alongside
1158 dead stmts. Delay edge removal until PHIs are removed to
1159 make debug-stmt creation not confused by seemingly degenerate
1162 2019-03-27 Alan Modra <amodra@gmail.com>
1164 * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
1166 * config/rs6000/darwin.h: Likewise.
1167 * config/rs6000/rs6000.c: Likewise.
1169 2019-03-27 Alan Modra <amodra@gmail.com>
1171 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
1172 assign rs6000_hard_regno_mode_ok_p[m][r]. Formatting.
1174 2019-03-26 Andrew Waterman <andrew@sifive.com>
1175 Jim Wilson <jimw@sifive.com>
1177 * config/riscv/generic.md (generic_alu, generic_load, generic_store)
1178 (generic_xfer, generic_branch, generic_imul, generic_idivsi)
1179 (generic_idivdi, generic_fmul_single, generic_fmul_double)
1180 (generic_fdiv, generic_fsqrt): Add check for generic tune.
1181 (generic_alu): Add auipc to type list.
1182 * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
1183 (riscv_microarchitecture): Declare.
1184 * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
1185 * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
1187 (riscv_microarchitecture): New.
1188 (sifive_7_tune_info): New.
1189 (riscv_cpu_info_table): Add microarchitecture value for rocket and
1190 size. Add sifive-3-series, sifive-5-series, and sifive-7-series
1192 (riscv_store_data_bypass_p): New.
1193 (riscv_option_override): Set riscv_microarchitecture from
1194 cpu->microarchitecture.
1195 * config/riscv/riscv.md: Include sifive-7.md.
1198 (auipc<mode>): Change type to auipc.
1199 (restore_stack_nonlocal): New.
1200 * config/riscv/sifive-7.md: New.
1201 * doc/invoke.texi (RISC-V Options): Update mtune docs.
1203 2019-03-26 Uroš Bizjak <ubizjak@gmail.com>
1206 * config/i386/i386.c (dimode_scalar_chain::convert_reg):
1207 Also process XEXP (src, 0) of a shift insn.
1209 2019-03-26 Richard Biener <rguenther@suse.de>
1211 * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
1212 (copy_debug_stmt): Likewise.
1213 (expand_call_inline): Likewise.
1214 (copy_bb): Avoid redundant lookup & set of gimple_block.
1215 * gimple-low.c (lower_gimple_return): Likewise.
1216 (lower_builtin_setjmp): Likewise.
1218 2019-03-26 Jakub Jelinek <jakub@redhat.com>
1220 * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
1221 is constant 0, turn into static const data member initialized to false.
1222 (hash_table::hash_table): Only initialize m_gather_mem_stats #if
1223 GATHER_STATISTICS. Add ATTRIBUTE_UNUSED to gather_mem_stats param.
1225 2019-03-26 Jason Merrill <jason@redhat.com>
1226 Jakub Jelinek <jakub@redhat.com>
1228 * mem-stats.h (mem_alloc_description::unregister_descriptor): New
1230 (mem_alloc_description::release_object_overhead): Fix comment typos.
1231 * hash-table.h (hash_table::~hash_table): Call
1232 release_instance_overhead only if m_entries is non-NULL, otherwise
1233 call unregister_descriptor.
1235 2019-03-26 Bin Cheng <bin.cheng@linux.alibaba.com>
1237 PR tree-optimization/81740
1238 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1239 In case of outer loop vectorization, check for backward dependence
1240 at the inner loop if outer loop dependence is reversed.
1242 2019-03-26 Alan Modra <amodra@gmail.com>
1244 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
1245 rs6000_vector_mem init. Correct wI and wJ comment.
1247 2019-03-25 Alexander Monakov <amonakov@ispras.ru>
1249 PR rtl-optimization/88347
1250 PR rtl-optimization/88423
1251 * sched-deps.c (sched_analyze_insn): Take into account that for
1252 tablejumps the barrier appears after a label and a jump_table_data.
1254 2019-03-25 Martin Sebor <msebor@redhat.com>
1257 * c-common.c (check_user_alignment): Rename local. Correct maximum
1258 alignment in diagnostic. Avoid assuming argument fits in SHWI,
1259 convert it to UHWI when it fits.
1261 2019-03-25 Johan Karlsson <johan.karlsson@enea.com>
1264 * dwarf2out.c (premark_used_variables): New function.
1265 (prune_unused_types_walk): Do not mark not premarked external
1267 (prune_unused_types): Call premark_used_variables.
1269 2019-03-25 Vladimir Makarov <vmakarov@redhat.com>
1271 PR rtl-optimization/89676
1272 * lra-constraints.c (curr_insn_transform): Do match reload for
1273 early clobbers when the match was successful only for different
1276 2019-03-25 Martin Sebor <msebor@redhat.com>
1278 * doc/extend.texi (Common Type Attributes): Document vector_size.
1279 (Common Variable Attributes): Mention size constraint. Correct
1281 (Vector Extensions): Use @dfn when defining bas type. Clarify
1282 base type and size constraints.
1284 2019-03-25 Richard Biener <rguenther@suse.de>
1286 PR tree-optimization/89789
1287 * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
1288 changes from non-undefined back to undefined.
1290 2019-03-25 Thomas Otto <thomas.otto@pdv-fs.de>
1292 * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
1293 heap string and a gc string, but since this variable is unknown to
1294 ggc the gc string might get reused and corrupted. Fixed by always
1295 using a heap string.
1297 2019-03-25 Richard Biener <rguenther@suse.de>
1299 PR tree-optimization/89779
1300 * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
1301 to remove IV defs, delay actual removal.
1302 (tree_ssa_iv_optimize_loop): Likewise. Avoid SCEV reset.
1303 (tree_ssa_iv_optimize): Remove eliminated IV defs at the
1304 very end, properly also reset loop control IV information.
1306 2019-03-25 Richard Biener <rguenther@suse.de>
1308 PR tree-optimization/89802
1309 * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
1310 move EH data to folded stmt.
1312 2019-03-25 Andreas Krebbel <krebbel@linux.ibm.com>
1314 * config/s390/s390-builtin-types.def: Remove few unused types and
1315 fix sort order for others.
1317 2019-03-25 Andreas Krebbel <krebbel@linux.ibm.com>
1319 * config/s390/s390-c.c (s390_fn_types_compatible): Print the
1320 expected and found types with -mdebug during builtin matching.
1322 2019-03-25 Richard Biener <rguenther@suse.de>
1325 * fold-const.c (operand_equal_p): Revert last change with
1328 2019-03-24 Segher Boessenkool <segher@kernel.crashing.org>
1330 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
1331 notes for the result of the __tls_get_addr calls.
1332 * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
1334 2019-03-24 Jeff Law <law@redhat.com>
1336 * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
1338 PR rtl-optimization/87761
1339 * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
1340 not INSN. Also check RTX_FRAME_RELATED_P. Queue insns for DF rescan
1342 (pass_cprop_hardreg::execute): Add df note problem and defer insn
1343 rescans. Reprocess blocks as needed, calling df_analyze before
1344 reprocessing. Always call df_analyze before fixing up debug bind
1347 2019-03-23 Segher Boessenkool <segher@kernel.crashing.org>
1349 * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
1352 2019-03-22 Andrew Pinski <apinski@marvell.com>
1354 * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
1355 attrribute for uxtw.
1357 2019-03-26 Jeff Law <law@redhat.com>
1359 PR rtl-optimization/87761
1360 * config/mips/mips-protos.h (mips_split_move): Add new argument.
1361 (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
1362 (mips_split_move): Accept new INSN argument. Try to forward SRC
1363 into the next instruction.
1364 (mips_split_move_insn): Pass INSN through to mips_split_move.
1366 2019-03-22 Vladimir Makarov <vmakarov@redhat.com>
1368 PR rtl-optimization/89676
1369 * lra-constraints.c (curr_insn_transform): Do match reload for
1370 early clobbers even if the match was successful.
1372 2019-03-22 Jakub Jelinek <jakub@redhat.com>
1375 * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
1377 2019-03-22 Bill Schmidt <wschmidt@linux.ibm.com>
1379 * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
1381 2019-03-22 Jakub Jelinek <jakub@redhat.com>
1383 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
1384 <avx512>_fmsub_<mode>_mask3<round_name>,
1385 <avx512>_fnmadd_<mode>_mask3<round_name>,
1386 <avx512>_fnmsub_<mode>_mask3<round_name>,
1387 avx512f_vmfmadd_<mode>_mask3<round_name>,
1388 avx512f_vmfmsub_<mode>_mask3<round_name>,
1389 *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
1390 instead of register_operand and %v instead of v for match_operand 1.
1391 (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
1392 (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this. Use
1393 <round_nimm_predicate> instead of register_operand and %v instead of v
1394 for match_operand 1.
1396 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
1397 <avx512>_fmadd_<mode>_mask3<round_name>,
1398 <avx512>_fmsub_<mode>_mask<round_name>,
1399 <avx512>_fmsub_<mode>_mask3<round_name>,
1400 <avx512>_fnmadd_<mode>_mask<round_name>,
1401 <avx512>_fnmadd_<mode>_mask3<round_name>,
1402 <avx512>_fnmsub_<mode>_mask<round_name>,
1403 <avx512>_fnmsub_<mode>_mask3<round_name>,
1404 <avx512>_fmaddsub_<mode>_mask<round_name>,
1405 <avx512>_fmaddsub_<mode>_mask3<round_name>,
1406 <avx512>_fmsubadd_<mode>_mask<round_name>,
1407 <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
1408 <round_nimm_predicate> instead of nonimmediate_operand.
1409 (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
1410 fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
1411 Use register_operand instead of <round_nimm_predicate> for the
1412 operand that needs to match output.
1413 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
1414 *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
1415 Likewise. Formatting fixes.
1418 * config/i386/i386.c (enum ix86_builtins): Remove
1419 IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
1420 * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
1421 __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
1422 __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
1423 __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
1424 __builtin_ia32_vfmsubss3_mask3): New builtins.
1425 * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
1426 avx512f_vmfmadd_<mode>_mask3<round_name>,
1427 avx512f_vmfmadd_<mode>_maskz_1<round_name>,
1428 *avx512f_vmfmsub_<mode>_mask<round_name>,
1429 avx512f_vmfmsub_<mode>_mask3<round_name>,
1430 *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
1431 *avx512f_vmfnmadd_<mode>_mask<round_name>,
1432 *avx512f_vmfnmadd_<mode>_mask3<round_name>,
1433 *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
1434 *avx512f_vmfnmsub_<mode>_mask<round_name>,
1435 avx512f_vmfnmsub_<mode>_mask3<round_name>,
1436 *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
1437 (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
1438 * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
1439 _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
1440 _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
1441 _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
1442 _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
1443 _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
1444 _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
1445 _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
1446 _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
1447 _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
1448 _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
1449 _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
1450 _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
1451 _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
1452 _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
1453 _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
1454 _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
1455 _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
1456 _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
1457 _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
1459 2019-03-21 Martin Sebor <msebor@redhat.com>
1461 PR tree-optimization/89350
1462 * builtins.c (compute_objsize): Also ignore offsets whose upper
1464 * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
1465 (builtin_memref::builtin_memref): Initialize new member.
1466 Allow EXPR to be null.
1467 (builtin_memref::extend_offset_range): Replace local with a member.
1468 Avoid assuming pointer offsets are unsigned.
1469 (builtin_memref::set_base_and_offset): Determine base object
1470 before computing offset range.
1471 (builtin_access::builtin_access): Handle memset.
1472 (builtin_access::generic_overlap): Replace local with a member.
1473 (builtin_access::strcat_overlap): Same.
1474 (builtin_access::overlap): Same.
1475 (maybe_diag_overlap): Same.
1476 (maybe_diag_access_bounds): Same.
1477 (wrestrict_dom_walker::check_call): Handle memset.
1478 (check_bounds_or_overlap): Same.
1480 2019-03-21 Jan Hubicka <hubicka@ucw.cz>
1481 Jakub Jelinek <jakub@redhat.com>
1484 * tree.c (fld_type_variant, fld_incomplete_type_of,
1485 fld_process_array_type): Call fld->pset.add and don't call
1486 add_tree_to_fld_list if it returns true.
1487 (free_lang_data_in_type): Similarly with self-recursive call. Purge
1488 non-marked types from TYPE_NEXT_VARIANT list.
1489 (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
1491 2019-03-21 Jakub Jelinek <jakub@redhat.com>
1493 * hash-table.h (hash_table): Add Lazy template parameter defaulted
1494 to false, if true, don't alloc_entries during construction, but defer
1495 it to the first method that needs m_entries allocated.
1496 (hash_table::hash_table, hash_table::~hash_table,
1497 hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
1498 hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
1499 hash_table::clear_slot, hash_table::traverse_noresize,
1500 hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
1501 * hash-set.h (hash_set): Add Lazy template parameter defaulted to
1503 (hash_set::contains): If Lazy is true, use find_slot_with_hash with
1504 NO_INSERT instead of find_with_hash.
1505 (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
1506 hash_set::m_table): Add Lazy to template params of hash_table.
1507 (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
1508 * attribs.c (test_attribute_exclusions): Likewise.
1509 * hash-set-tests.c (test_set_of_strings): Add iterator tests for
1510 hash_set. Add tests for hash_set with Lazy = true.
1512 2019-03-21 Richard Biener <rguenther@suse.de>
1514 PR tree-optimization/89779
1515 * tree.c (tree_nop_conversion): Consolidate and fix defensive
1516 checks with respect to released SSA names now having error_mark_node
1518 * fold-const.c (operand_equal_p): Likewise.
1520 2019-03-20 Andreas Krebbel <krebbel@linux.ibm.com>
1523 * config/s390/s390.c (global_not_special_regno_p): Move to make it
1525 (s390_optimize_register_info): Use global_not_special_regno_p to
1526 check for global regs.
1528 2019-03-20 Jakub Jelinek <jakub@redhat.com>
1531 * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
1532 update this_alternative nor this_alternative_set.
1534 2019-03-19 Jim Wilson <jimw@sifive.com>
1537 * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x. New locals
1538 align, size, offset. Use them to handle a BLKmode reference. Update
1540 (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
1542 2019-03-19 Jakub Jelinek <jakub@redhat.com>
1544 PR rtl-optimization/89768
1545 * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
1547 (unroll_loop_runtime_iterations): Likewise.
1549 2019-03-19 Martin Sebor <msebor@redhat.com>
1551 PR tree-optimization/89644
1552 * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
1553 rather than endptr as an indicator of nul-termination.
1555 PR tree-optimization/89644
1556 * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
1557 arrays in determining sequence sizes in strncpy and stpncpy.
1559 2019-03-19 Martin Liska <mliska@suse.cz>
1562 * predict.c (combine_predictions_for_bb): Empty likely_edges and
1563 unlikely_edges if there's an edge that belongs to both these sets.
1565 2018-03-19 Segher Boessenkool <segher@kernel.crashing.org>
1568 * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
1569 non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
1570 go via a stack temporary.
1572 2019-03-19 Jakub Jelinek <jakub@redhat.com>
1575 * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
1576 instead of gen_rtx_SUBREG.
1577 * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
1579 2019-03-19 Richard Biener <rguenther@suse.de>
1582 * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
1584 2019-03-19 Jan Hubicka <hubicka@ucw.cz>
1588 * tree.c (free_lang_data_in_decl): Do not free context of C++
1591 2019-03-19 Jakub Jelinek <jakub@redhat.com>
1594 * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
1595 subs for the first alternative except when operands[3] is 1.
1598 * gimplify.c (gimplify_asm_expr): For output argument with
1599 TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
1602 2019-03-19 Eric Botcazou <ebotcazou@adacore.com>
1604 PR rtl-optimization/89753
1605 * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
1606 explicit unrolling factor even more robust.
1608 2019-03-19 Jakub Jelinek <jakub@redhat.com>
1611 * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
1612 compensation use x2 += 1 instead of x2 -= -1 and when honoring
1613 signed zeros, do another copysign after the compensation.
1615 2019-03-18 Martin Sebor <msebor@redhat.com>
1617 PR tree-optimization/89720
1618 * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
1619 more conservatively, the same as anti-range.
1621 2019-03-18 Richard Biener <rguenther@suse.de>
1624 * tree-ssanames.c (release_ssa_name_fn): For released SSA names
1625 use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
1626 basic-blocks that are removed. Remove restoring SSA_NAME_VAR.
1627 * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
1629 2019-03-18 Andrew Stubbs <ams@codesourcery.com>
1631 * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
1632 Extend queue to 1024 entries.
1633 Add "consumed" field.
1634 (gomp_print_output): Remove print_index parameter.
1635 Add final parameter.
1636 Change limit to unsigned.
1637 Use consumed field to implement circular buffer.
1638 Detect interrupted print in final pass.
1639 Flush output at the end.
1640 (run): Update gomp_print_output usage.
1641 (main): Initialize kernargs->output_data.consumed.
1643 2019-03-18 Richard Sandiford <richard.sandiford@arm.com>
1645 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
1646 calculation of the minimum number of scalar iterations for
1647 fully-predicated loops.
1649 2019-03-18 Martin Jambor <mjambor@suse.cz>
1651 PR tree-optimization/89546
1652 * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
1653 any propagation to its children took place.
1655 2019-03-18 Andrew Burgess <andrew.burgess@embecosm.com>
1658 * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
1659 parameter, and make use of it.
1660 (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
1662 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
1664 * config/arc/arc.opt (mcode-density-frame): Get the inital value
1665 from TARGET_CODE_DENSITY_FRAME_DEFAULT.
1666 * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
1667 * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
1668 * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
1669 match what the ops is doing.
1670 (push_multi_fp_blink): Likewise.
1671 * config/arc/arc.c (arc_override_options): Enable enter/leave when
1672 compiling for size and elf target.
1673 (arc_save_callee_enter): Adjust note to match what enter/leave
1676 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
1678 * config/arc/arc.md (tst_movb): Fix constraint.
1680 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
1682 * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
1684 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
1686 * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
1687 * config/arc/arc.c (arc_conditional_register_usage): Remove all
1688 reg_alloc_order references.
1689 (size_alloc_order): Define.
1690 (arc_adjust_reg_alloc_order): New function.
1691 * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
1693 (ADJUST_REG_ALLOC_ORDER): Define.
1694 (HONOR_REG_ALLOC_ORDER): Likewise.
1696 2019-03-18 Richard Biener <rguenther@suse.de>
1699 * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
1700 loads and stores a bit more.
1702 2019-03-18 Richard Biener <rguenther@suse.de>
1705 * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
1706 load pessimization to stores as well.
1708 2019-03-18 Andrey Belevantsev <abel@ispras.ru>
1711 * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
1712 successor, use NULL as its av set.
1714 2019-03-15 Segher Boessenkool <segher@kernel.crashing.org>
1716 PR rtl-optimization/89721
1717 * lra-constraints (invariant_p): Return false if side_effects_p holds.
1719 2019-03-15 Kelvin Nilsen <kelvin@gcc.gnu.org>
1722 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1723 When handling vec_extract, use modular arithmetic to allow
1724 constant selectors greater than vector length.
1725 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
1726 V1TImode vectors to have constant selector values greater than 0.
1727 Use modular arithmetic to compute vector index.
1728 (rs6000_split_vec_extract_var): Use modular arithmetic to compute
1729 index for in-memory vectors. Correct code generation for
1730 in-register vectors.
1731 (altivec_expand_vec_ext_builtin): Use modular arithmetic to
1734 2019-03-15 Alexandre Oliva <aoliva@redhat.com>
1738 * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
1741 2019-03-15 Jakub Jelinek <jakub@redhat.com>
1744 * tree.c (inchash::add_expr): Strip any location wrappers.
1745 * fold-const.c (operand_equal_p): Move stripping of location wrapper
1746 after hash verification.
1749 * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
1750 SIGN_EXTEND and ZERO_EXTEND.
1752 2019-03-14 Jason Merrill <jason@redhat.com>
1753 Jakub Jelinek <jakub@redhat.com>
1755 * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
1756 than if is_empty (*slot).
1757 * hash-set-tests.c (test_set_of_strings): Add tests for addition of
1758 existing elt and for elt removal.
1759 * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
1760 of already removed elt.
1762 2019-03-15 H.J. Lu <hongjiu.lu@intel.com>
1765 * config/i386/i386.c (remove_partial_avx_dependency): Handle
1768 2019-03-14 Martin Liska <mliska@suse.cz>
1771 * doc/invoke.texi: Remove -fdump-class-hierarchy option.
1773 2019-03-14 Richard Biener <rguenther@suse.de>
1776 * config/i386/i386.c (make_resolver_func): Properly set
1777 DECL_CONTEXT on the RESULT_DECL.
1778 * config/rs6000/rs6000.c (make_resolver_func): Likewise.
1780 2019-03-14 Richard Biener <rguenther@suse.de>
1782 * gimple-pretty-print.c: Include cfgloop.h.
1783 (dump_gimple_phi): Adjust.
1784 (dump_gimple_bb_header): Dump loop header for GIMPLE.
1785 (pp_cfg_jump): Adjust.
1786 (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
1787 * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
1788 (lower_phi_internal_fn): Remove.
1789 (verify_gimple_call): Remove IFN_PHI special-casing.
1790 (dump_function_to_file): Dump IL state.
1791 * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
1792 done to deal with PHI nodes being present in non-SSA state.
1794 2019-03-14 Jakub Jelinek <jakub@redhat.com>
1797 * multiple_target.c (create_dispatcher_calls): Change
1798 references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
1799 In the node->iterate_referring loop, push *ref rather than ref, call
1800 ref->remove_reference () and always pass 0 to iterate_referring.
1802 PR rtl-optimization/89679
1803 * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
1804 would contain a paradoxical SUBREG.
1806 2019-03-14 Richard Biener <rguenther@suse.de>
1808 PR tree-optimization/89710
1809 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
1812 2019-03-14 Martin Liska <mliska@suse.cz>
1814 * coverage.c (coverage_begin_function): Stream also
1816 * doc/gcov.texi: Document 2 new fields in JSON file. Improve
1817 documentation about function declaration location.
1818 * gcov-dump.c (tag_function): Print whole range
1819 of function declaration.
1820 * gcov.c (struct function_info): Add end_column field.
1821 (function_info::function_info): Initialize it.
1822 (output_json_intermediate_file): Output {start,end}_column
1824 (read_graph_file): Read end_column.
1826 2019-03-14 Richard Biener <rguenther@suse.de>
1829 * fold-const.c (operand_equal_p): For INDIRECT_REF check
1830 that the access types are similar.
1832 2019-03-14 Jakub Jelinek <jakub@redhat.com>
1834 PR tree-optimization/89703
1835 * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
1836 aren't compatible also with builtin_decl_explicit. Check pure
1837 or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
1838 and BUILT_IN_STPNCPY{,_CHK}.
1840 2019-03-14 H.J. Lu <hongjiu.lu@intel.com>
1843 * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
1844 addr32 prefix to VSIB address for X32.
1845 * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
1847 (*avx512pf_gatherpf<mode>df_mask): Likewise.
1848 (*avx512pf_scatterpf<mode>sf_mask): Likewise.
1849 (*avx512pf_scatterpf<mode>df_mask): Likewise.
1850 (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
1851 (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
1852 (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
1853 (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
1854 (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
1855 (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
1856 (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
1857 (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
1858 (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
1859 (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
1860 (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
1861 (*avx512f_scatterdi<mode>): Likewise.
1863 2019-03-13 Vladimir Makarov <vmakarov@redhat.com>
1866 * lra-constraints.c (inherit_in_ebb): Update
1867 potential_reload_hard_regs along with live_hard_regs.
1869 2019-03-13 Jakub Jelinek <jakub@redhat.com>
1872 * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
1874 (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
1876 2019-03-13 Martin Sebor <msebor@redhat.com>
1878 PR tree-optimization/89662
1879 * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
1882 2019-03-13 Richard Biener <rguenther@suse.de>
1885 * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
1886 throw FP expressions at tree-affine.
1888 2019-03-14 Richard Biener <rguenther@suse.de>
1890 * tree-pretty-print.c (dump_generic_node): For -gimple properly
1891 dump negative integer constants using _Literal (type) -num.
1893 2019-03-13 Jakub Jelinek <jakub@redhat.com>
1895 * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
1896 nonlocal_value member.
1899 * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
1900 (ipa_simd_modify_function_body): Handle PHIs.
1902 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
1904 * config/s390/s390.c (s390_option_override_internal): Use more
1905 aggressive inlining parameters.
1907 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
1909 * config/s390/3906.md: New file.
1910 * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
1911 (LONGRUNNING_THRESHOLD): Remove.
1912 (MAX_SCHED_MIX_SCORE): Decrease.
1913 (MAX_SCHED_MIX_DISTANCE): Decrease.
1914 (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
1915 (struct s390_sched_state): New struct to hold scheduling state.
1916 (S390_SCHED_STATE_NORMAL): Remove.
1917 (S390_SCHED_STATE_CRACKED): Remove.
1918 (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
1919 (s390_get_sched_attrmask): Use new attribute.
1920 (s390_get_unit_mask): Use new units.
1921 (s390_is_fpd): New function.
1922 (s390_is_fxd): New function.
1923 (s390_is_longrunning): New function.
1924 (s390_sched_score): Use new functions.
1925 (s390_sched_reorder): Likewise.
1926 (s390_sched_variable_issue): Rework and use new functions.
1927 (s390_sched_init): Use new functions.
1928 * config/s390/s390.h (s390_tune_attr): Add z14.
1929 * config/s390/s390.md: Add z14.
1931 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
1933 * config/s390/2964.md: Update pipeline description.
1934 * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
1935 (LONGRUNNING_THRESHOLD): Remove.
1936 (LATENCY_FACTOR): Remove.
1937 (s390_get_unit_mask): Add unit.
1938 (s390_sched_score): Use fxd/fpd.
1939 (s390_sched_variable_issue): Use fxd/fpd.
1941 2019-03-12 Martin Liska <mliska@suse.cz>
1943 * config/i386/i386.c: Reword an error message.
1945 2019-03-12 Martin Jambor <mjambor@suse.cz>
1947 * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
1948 terminate with newline.
1950 2019-03-12 Jakub Jelinek <jakub@redhat.com>
1953 * config/s390/s390.md (tabort): Use %wd instead of
1954 HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
1955 letters and periods.
1956 * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
1957 output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
1961 * builtins.c (expand_builtin_int_roundingfn,
1962 expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
1963 gcc_unreachable if validate_arglist fails.
1965 2019-03-12 Richard Biener <rguenther@suse.de>
1967 PR tree-optimization/89664
1968 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
1969 free the occurance tree after the early out.
1971 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1975 * vr-values.c (vr_values::update_value_range): If
1976 old_vr->varying_p (), don't update it, make new_vr also VARYING
1979 2019-03-11 Martin Liska <mliska@suse.cz>
1981 * config/aarch64/aarch64.c (aarch64_override_options_internal):
1982 Fix double string quoting.
1984 2019-03-11 Martin Liska <mliska@suse.cz>
1986 * collect-utils.c (collect_wait): Wrap apostrophes
1987 in gcc internal format with %'.
1988 * collect2.c (main): Likewise.
1989 (scan_prog_file): Likewise.
1990 (scan_libraries): Likewise.
1991 * config/i386/i386.c (ix86_expand_call): Likewise.
1992 (ix86_handle_interrupt_attribute): Likewise.
1993 * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
1994 * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
1995 * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
1996 * lto-wrapper.c (find_crtoffloadtable): Likewise.
1997 * symtab.c (symtab_node::verify_base): Likewise.
1998 * tree-cfg.c (verify_gimple_label): Likewise.
1999 * tree.c (verify_type_variant): Likewise.
2001 2019-03-11 Martin Liska <mliska@suse.cz>
2003 * builtins.c (expand_builtin_thread_pointer): Wrap an option name
2004 in a string format message and fix GNU coding style.
2005 (expand_builtin_set_thread_pointer): Likewise.
2006 * common/config/aarch64/aarch64-common.c
2007 (aarch64_rewrite_selected_cpu): Likewise.
2008 * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
2009 * common/config/arc/arc-common.c (arc_handle_option): Likewise.
2010 * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
2011 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
2012 * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
2013 * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
2014 * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
2015 * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
2016 * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
2017 * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
2019 * common/config/riscv/riscv-common.c
2020 (riscv_subset_list::parsing_subset_version): Likewise.
2021 (riscv_subset_list::parse_std_ext): Likewise.
2022 (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
2023 (riscv_subset_list::parse): Likewise.
2024 * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
2025 * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
2026 (aarch64_override_options_internal): Likewise.
2027 (aarch64_validate_mcpu): Likewise.
2028 (aarch64_validate_march): Likewise.
2029 (aarch64_validate_mtune): Likewise.
2030 (aarch64_override_options): Likewise.
2031 * config/alpha/alpha.c (alpha_option_override): Likewise.
2032 * config/arc/arc.c (arc_init): Likewise.
2033 (parse_mrgf_banked_regs_option): Likewise.
2034 (arc_override_options): Likewise.
2035 (arc_expand_builtin_aligned): Likewise.
2036 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
2037 (arm_expand_builtin): Likewise.
2038 * config/arm/arm.c (arm_option_check_internal): Likewise.
2039 (arm_configure_build_target): Likewise.
2040 (arm_option_override): Likewise.
2041 (arm_options_perform_arch_sanity_checks): Likewise.
2042 (arm_handle_cmse_nonsecure_entry): Likewise.
2043 (arm_handle_cmse_nonsecure_call): Likewise.
2044 (arm_tls_referenced_p): Likewise.
2045 (thumb1_expand_prologue): Likewise.
2046 * config/avr/avr.c (avr_option_override): Likewise.
2047 * config/bfin/bfin.c (bfin_option_override): Likewise.
2048 * config/c6x/c6x.c (c6x_option_override): Likewise.
2049 * config/cr16/cr16.c (cr16_override_options): Likewise.
2050 * config/cris/cris.c (cris_option_override): Likewise.
2051 * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
2052 * config/darwin-c.c (macosx_version_as_macro): Likewise.
2053 * config/darwin.c (darwin_override_options): Likewise.
2054 * config/frv/frv.c (frv_expand_builtin): Likewise.
2055 * config/h8300/h8300.c (h8300_option_override): Likewise.
2056 * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
2057 (ix86_option_override_internal): Likewise.
2058 (warn_once_call_ms2sysv_xlogues): Likewise.
2059 (ix86_expand_prologue): Likewise.
2060 (split_stack_prologue_scratch_regno): Likewise.
2061 (ix86_warn_parameter_passing_abi): Likewise.
2062 * config/ia64/ia64.c (fix_range): Likewise.
2063 * config/m68k/m68k.c (m68k_option_override): Likewise.
2064 * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
2065 * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
2066 (mips_set_compression_mode): Likewise.
2067 * config/mmix/mmix.c (mmix_option_override): Likewise.
2068 * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
2069 * config/msp430/msp430.c (msp430_option_override): Likewise.
2070 * config/nds32/nds32.c (nds32_option_override): Likewise.
2071 * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
2072 (nios2_option_override): Likewise.
2073 (nios2_expand_custom_builtin): Likewise.
2074 * config/nvptx/mkoffload.c (main): Likewise.
2075 * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
2076 * config/pa/pa.c (fix_range): Likewise.
2077 (pa_option_override): Likewise.
2078 * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
2079 (riscv_option_override): Likewise.
2080 * config/rl78/rl78.c (rl78_option_override): Likewise.
2081 * config/rs6000/aix61.h: Likewise.
2082 * config/rs6000/aix71.h: Likewise.
2083 * config/rs6000/aix72.h: Likewise.
2084 * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
2085 * config/rs6000/freebsd64.h: Likewise.
2086 * config/rs6000/linux64.h: Likewise.
2087 * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
2088 (rs6000_expand_zeroop_builtin): Likewise.
2089 (rs6000_expand_mtfsb_builtin): Likewise.
2090 (rs6000_expand_set_fpscr_rn_builtin): Likewise.
2091 (rs6000_expand_set_fpscr_drn_builtin): Likewise.
2092 (rs6000_invalid_builtin): Likewise.
2093 (rs6000_expand_split_stack_prologue): Likewise.
2094 * config/rs6000/rtems.h: Likewise.
2095 * config/rx/rx.c (valid_psw_flag): Likewise.
2096 (rx_expand_builtin): Likewise.
2097 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
2098 * config/s390/s390.c (s390_expand_builtin): Likewise.
2099 (s390_function_profiler): Likewise.
2100 (s390_option_override_internal): Likewise.
2101 (s390_option_override): Likewise.
2102 * config/sh/sh.c (sh_option_override): Likewise.
2103 (sh_builtin_saveregs): Likewise.
2104 (sh_fix_range): Likewise.
2105 * config/sh/vxworks.h: Likewise.
2106 * config/sparc/sparc.c (sparc_option_override): Likewise.
2107 * config/spu/spu.c (spu_option_override): Likewise.
2108 (fix_range): Likewise.
2109 * config/visium/visium.c (visium_option_override): Likewise.
2110 (visium_handle_interrupt_attr): Likewise.
2111 * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
2112 * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
2113 (dbg_cnt_process_opt): Likewise.
2114 * dwarf2out.c (output_dwarf_version): Likewise.
2115 * except.c (expand_eh_return): Likewise.
2116 * gcc.c (defined): Likewise.
2117 (driver_handle_option): Likewise.
2118 (process_command): Likewise.
2119 (compare_files): Likewise.
2120 (driver::prepare_infiles): Likewise.
2121 (driver::do_spec_on_infiles): Likewise.
2122 (driver::maybe_run_linker): Likewise.
2123 * omp-offload.c (oacc_parse_default_dims): Likewise.
2124 * opts-global.c (handle_common_deferred_options): Likewise.
2125 * opts.c (parse_sanitizer_options): Likewise.
2126 (common_handle_option): Likewise.
2127 (enable_warning_as_error): Likewise.
2128 * passes.c (enable_disable_pass): Likewise.
2129 * plugin.c (parse_plugin_arg_opt): Likewise.
2130 (default_plugin_dir_name): Likewise.
2131 * targhooks.c (default_expand_builtin_saveregs): Likewise.
2132 (default_pch_valid_p): Likewise.
2133 * toplev.c (init_asm_output): Likewise.
2134 (process_options): Likewise.
2135 (toplev::run_self_tests): Likewise.
2136 * tree-cfg.c (verify_gimple_call): Likewise.
2137 * tree-inline.c (inline_forbidden_p_stmt): Likewise.
2138 (tree_inlinable_function_p): Likewise.
2139 * var-tracking.c (vt_find_locations): Likewise.
2141 2019-03-11 Andreas Krebbel <krebbel@linux.ibm.com>
2143 * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
2144 only on the else branch.
2146 2019-03-11 Martin Liska <mliska@suse.cz>
2148 * gcov.c (output_intermediate_json_line): Print function
2150 (output_json_intermediate_file): Add new argument.
2151 * doc/gcov.texi: Document the change.
2153 2019-03-11 Eric Botcazou <ebotcazou@adacore.com>
2155 PR rtl-optimization/89588
2156 * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
2157 explicit unrolling factor more robust.
2159 2019-03-11 Richard Biener <rguenther@suse.de>
2161 PR tree-optimization/89649
2162 * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
2163 * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
2164 on the prolog and epilog loops.
2165 (vect_loop_versioning): Return copy of loop.
2166 * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
2167 on the non-vectorized version of the loop.
2169 2019-03-10 Uroš Bizjak <ubizjak@gmail.com>
2172 * config/i386/sse.md (*vec_extractv2di_0_sse):
2173 Add (=r,x) alternative and corresponding splitter.
2175 2019-03-10 Martin Jambor <mjambor@suse.cz>
2177 PR tree-optimization/85762
2178 PR tree-optimization/87008
2179 PR tree-optimization/85459
2180 * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
2181 it points to if there is a type changing MEM_REF. Adjust all callers.
2182 (build_accesses_from_assign): Disable total scalarization if
2183 contains_vce_or_bfcref_p returns true through the new parameter, for
2186 2019-03-09 Jakub Jelinek <jakub@redhat.com>
2189 * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
2190 dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
2193 * common.opt (fdiagnostics-show-labels,
2194 fdiagnostics-show-line-numbers, fdiagnostics-format=,
2195 fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
2196 gas-locview-support, ginline-points, ginternal-reset-location-views):
2197 Terminate description text with a dot.
2198 * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
2199 * config/mcore/mcore.opt (m210, m340): Likewise.
2200 * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
2201 mnops=): Start description text with a capital letter.
2202 * config/arc/arc.opt (msize-level=): Likewise.
2203 * config/sh/sh.opt (minline-ic_invalidate): Likewise.
2204 * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
2206 * config/ft32/ft32.opt (msim): Likewise.
2207 (mft32b, mcompress): Likewise. Terminate description text with a dot.
2208 (mnodiv, mnopm): Terminate description text with a dot.
2209 * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
2211 * config/i386/i386.opt (prefer_vector_width, instrument_return):
2213 * config/rx/rx.opt (nofpu): Remove trailing spaces from description
2216 PR rtl-optimization/89634
2217 * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
2218 are modified in BB_END (e->src) instruction.
2220 2019-03-08 David Malcolm <dmalcolm@redhat.com>
2223 * config/i386/i386.c (ix86_set_current_function): Make "sorry"
2224 messages more amenable to translation, and improve wording.
2226 2019-03-08 Bill Schmidt <wschmidt@linux.ibm.com>
2228 * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
2229 ud- and du-chains between phases.
2231 2019-03-08 Richard Sandiford <richard.sandiford@arm.com>
2234 * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
2235 instead of POLY_INT_CST.
2237 2019-03-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
2239 * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
2242 2019-03-08 Uroš Bizjak <ubizjak@gmail.com>
2247 * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
2248 (_mm_storeu_si64): Ditto.
2250 2019-03-08 Martin Liska <mliska@suse.cz>
2253 * config/i386/i386.c (ix86_option_override_internal): Disable
2254 jump tables when retpolines are used.
2256 2019-03-08 Jan Hubicka <hubicka@ucw.cz>
2259 * ipa-split.c (execute_split_functions): Do not split
2260 'noinline' or 'section' function.
2262 2019-03-08 Jakub Jelinek <jakub@redhat.com>
2265 * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
2266 HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
2267 HOST_WIDE_INT_PRINT_DEC. Formatting fixes.
2270 * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
2271 from diagnostics. Formatting fixes.
2274 * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
2275 warn_odr diagnostics.
2278 * lra-constraints.c (process_alt_operands): Avoid one space before
2279 " at the end of line and another after " on another line in a string
2281 * attribs.c (handle_dll_attribute): Likewise.
2282 * config/avr/avr-devices.c (avr_texinfo): Likewise.
2284 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
2285 warning_at or inform messages in G_() if there is no ?:.
2287 PR tree-optimization/89550
2288 * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
2289 returned true. Formatting fixes.
2290 (expand_builtin_strnlen): Formatting fixes.
2291 * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
2292 if warning_at returned true.
2293 * tree-cfg.c (pass_warn_function_return::execute): Likewise.
2295 2019-03-08 Richard Biener <rguenther@suse.de>
2298 * cfgloop.h (struct loop): Add owned_clique field.
2299 * cfgloopmanip.c (copy_loop_info): Copy it.
2300 * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
2302 * tree-inline.c (copy_loops): Remap owned_clique.
2303 * lto-streamer-in.c (input_cfg): Stream owned_clique.
2304 * lto-streamer-out.c (output_cfg): Likewise.
2306 2019-03-08 Jakub Jelinek <jakub@redhat.com>
2309 * config/darwin.c: Include intl.h.
2310 (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
2311 composing the message out of two separate parts.
2313 2019-03-07 Jakub Jelinek <jakub@redhat.com>
2316 * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
2317 doesn't start with a capital letter and doesn't end with a dot.
2318 (ix86_function_arg_boundary): Make sure diagnostics doesn't start
2319 with a capital letter.
2320 (ix86_mangle_function_version_assembler_name): Likewise.
2321 (ix86_generate_version_dispatcher_body): Likewise.
2322 (fold_builtin_cpu): Likewise.
2323 (get_builtin_code_for_version): Likewise. Remove extraneous space.
2324 (ix86_handle_interrupt_attribute): Make the diagnostics easier for
2325 translators, wrap full type name in %qs.
2327 PR translation/79999
2328 * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
2329 depend clause with source (or sink) modifier.
2330 * omp-expand.c (expand_omp_ordered_sink): Likewise.
2333 * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
2334 *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
2335 (avx512f_load<mode>_mask): New define_expand.
2336 * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
2337 __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
2338 __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
2339 __builtin_ia32_movess_mask): New builtins.
2340 * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
2341 _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
2342 _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
2343 _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
2345 2019-03-07 Martin Jambor <mjambor@suse.cz>
2348 * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
2349 for extern inline functions.
2351 2019-03-07 Martin Jambor <mjambor@suse.cz>
2354 * cgraph.h (cgraph_node): New inline method former_thunk_p.
2355 * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
2356 (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
2357 have multiple callees. At the end check if declarations match as
2358 opposed to cgraph_nodes.
2360 2019-03-07 Martin Liska <mliska@suse.cz>
2362 * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
2363 which is equivalent to searching for this in clones chain.
2364 * symtab.c (symtab_node::verify_base): Similarly compare ASM
2365 names with a neighbour and special case first node in a chain.
2367 2019-01-25 Jason Merrill <jason@redhat.com>
2369 PR c++/80916 - spurious "static but not defined" warning.
2370 * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
2371 for an internal symbol with DECL_EXTERNAL.
2373 2019-04-07 Richard Biener <rguenther@suse.de>
2376 * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
2377 * tree-inline.c (copy_loops): Simplify.
2379 2019-03-07 Martin Liska <mliska@suse.cz>
2381 * dwarf2out.c (add_AT_vms_delta): Revert function removal.
2383 2019-03-07 Richard Biener <rguenther@suse.de>
2385 PR tree-optimization/89595
2386 * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
2387 stmt iterator as reference, take boolean output parameter to
2388 indicate whether the stmt was removed and thus the iterator
2390 (dom_opt_dom_walker::before_dom_children): Re-iterate over
2391 stmts created by folding.
2393 2019-03-07 Jakub Jelinek <jakub@redhat.com>
2396 * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
2399 2019-03-06 Peter Bergner <bergner@linux.ibm.com>
2401 PR rtl-optimization/88845
2402 * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
2404 * lra.c (remove_scratches_1): New function.
2405 (remove_scratches): Use it.
2406 (lra_emit_move): Likewise.
2408 2019-03-06 Claudiu Zissulescu <claziss@synopsys.com>
2410 * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
2411 unaligned_access variable.
2412 * config/arc/arc.c (arc_override_options): Set unaligned access
2413 default on for HS CPUs.
2414 * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
2416 2019-03-06 Martin Liska <mliska@suse.cz>
2418 PR gcov-profile/89577
2419 * doc/gcov.texi: Prefer to use --coverage.
2420 * doc/sourcebuild.texi: Likewise.
2422 2019-03-02 Jason Merrill <jason@redhat.com>
2424 PR c++/86485 - -Wmaybe-unused with empty class ?:
2425 * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
2427 2019-03-05 Jakub Jelinek <jakub@redhat.com>
2430 * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
2434 * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
2435 exactly one argument.
2437 2019-03-05 Jakub Jelinek <jakub@redhat.com>
2438 Richard Sandiford <richard.sandiford@arm.com>
2440 PR tree-optimization/89570
2441 * match.pd (vec_cond into cond_op simplification): Don't use
2442 get_conditional_internal_fn, use as_internal_fn (cond_op).
2444 2019-03-05 Wilco Dijkstra <wdijkstr@arm.com>
2447 * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
2448 to decide when to split off a non-zero offset from a symbol.
2449 * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
2450 in function symbols.
2452 2019-03-05 Richard Biener <rguenther@suse.de>
2454 PR tree-optimization/89594
2455 * tree-if-conv.c (pass_if_conversion::execute): Handle
2456 case where .LOOP_VECTORIZED_FUNCTION was removed.
2458 2019-03-05 Jakub Jelinek <jakub@redhat.com>
2461 * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
2462 instead alloca it only when needed with the needed size.
2464 PR tree-optimization/89570
2465 * match.pd (vec_cond into cond_op simplification): Guard with
2466 vectorized_internal_fn_supported_p test and #if GIMPLE.
2468 PR tree-optimization/89566
2469 * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
2470 Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
2471 Punt if get_user_idx_format succeeds, but idx_format argument is
2472 not provided or doesn't have pointer type, or if idx_args is above
2473 number of provided arguments.
2475 2019-03-04 Wilco Dijkstra <wdijkstr@arm.com>
2477 PR tree-optimization/89437
2478 * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
2480 2019-03-04 Richard Biener <rguenther@suse.de>
2483 * tree-scalar-evolution.c: (get_loop_exit_condition): Use
2486 2019-03-04 Bin Cheng <bin.cheng@linux.alibaba.com>
2488 PR tree-optimization/89487
2489 * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
2490 (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
2491 (distribute_loop): Don't do runtime alias check if there is non-
2492 addressable data reference.
2493 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
2494 is a register variable.
2496 2019-03-02 Jakub Jelinek <jakub@redhat.com>
2499 * config/arm/arm.md (cmpsi2_addneg): Use
2500 trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
2501 If operands[2] is 0 or INT_MIN, force use of subs.
2502 (*compare_scc splitter): Use gen_int_mode.
2503 (*negscc): Likewise.
2504 * config/arm/thumb2.md (*thumb2_negscc): Likewise.
2506 2019-03-01 Kito Cheng <kito.cheng@gmail.com>
2507 Monk Chiang <sh.chiang04@gmail.com>
2509 * common/config/riscv/riscv-common.c: Include sstream.
2510 (riscv_subset_list::to_string): New.
2511 (riscv_arch_str): Likewise.
2512 * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
2514 * config/riscv/riscv-protos.h (riscv_arch_str): New.
2515 * config/riscv/riscv.c (INCLUDE_STRING): Defined.
2516 (riscv_emit_attribute): New.
2517 (riscv_file_start): Emit attribute if needed.
2518 (riscv_option_override): Init riscv_emit_attribute_p.
2519 * config/riscv/riscv.opt (mriscv-attribute): New option.
2520 * configure.ac (riscv*-*-*): Check binutils is supporting ELF
2522 * doc/install.texi: Document --with-riscv-attribute.
2523 * doc/invoke.texi: Document -mriscv-attribute.
2525 * common/config/riscv/riscv-common.c:
2526 Include config/riscv/riscv-protos.h.
2527 (INCLUDE_STRING): Defined.
2528 (RISCV_DONT_CARE_VERSION): Defined.
2529 (riscv_subset_t): Declare.
2530 (riscv_subset_t::riscv_subset_t): New.
2531 (riscv_subset_list): Declare.
2532 (riscv_subset_list::riscv_subset_list): New.
2533 (riscv_subset_list::~riscv_subset_list): Likewise.
2534 (riscv_subset_list::parsing_subset_version): Likewise.
2535 (riscv_subset_list::parse_std_ext): Likewise.
2536 (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
2537 (riscv_subset_list::add): Likewise.
2538 (riscv_subset_list::lookup): Likewise.
2539 (riscv_subset_list::xlen): Likewise.
2540 (riscv_subset_list::parse): Likewise.
2541 (riscv_supported_std_ext): Likewise.
2542 (current_subset_list): Likewise.
2543 (riscv_parse_arch_string): Using riscv_subset_list::parse to
2546 2019-03-01 Segher Boessenkool <segher@kernel.crashing.org>
2548 * config/rs6000/rs6000.c (rs6000_option_override_internal): If
2549 rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
2550 * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
2552 2019-03-01 Alexander Monakov <amonakov@ispras.ru>
2554 PR rtl-optimization/85899
2555 * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
2556 fallthru edges leading to the exit block.
2558 2019-03-01 Tamar Christina <tamar.christina@arm.com>
2561 * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
2562 rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
2564 2019-03-01 Richard Sandiford <richard.sandiford@arm.com>
2566 PR tree-optimization/89535
2567 * tree-vect-stmts.c (vectorizable_call): Record the vector types
2568 for each operand. Calculate the fallback choice for mask operands
2569 and pass it to vect_get_vec_def_for_operand.
2571 2019-03-01 Richard Biener <rguenther@suse.de>
2574 * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
2575 get virtual operands.
2576 (get_expr_operands): Handle CONST_DECL like other decls.
2578 2019-03-01 Jakub Jelinek <jakub@redhat.com>
2581 * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
2582 on DECL_P and EXPR_P.
2584 2019-03-01 Richard Biener <rguenther@suse.de>
2587 * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
2588 argument, defaulted to zero.
2589 * passes.c (execute_function_todo): Pass down SSA update flags
2590 to cleanup_tree_cfg.
2591 * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
2592 (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
2594 (cleanup_tree_cfg): Get and pass down SSA update flags.
2596 2019-03-01 Jakub Jelinek <jakub@redhat.com>
2599 * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
2600 early_lto_debug argument.
2602 2019-02-28 Eric Botcazou <ebotcazou@adacore.com>
2604 PR tree-optimization/89536
2605 * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
2606 only whether bit #0 of the value is 0 instead of the entire value.
2608 2019-02-28 Marek Polacek <polacek@redhat.com>
2610 PR c++/87068 - missing diagnostic with fallthrough statement.
2611 * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
2612 at the end of a seq, save its location to walk_stmt_info.
2613 (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
2616 2019-02-28 Jan Hubicka <hubicka@ucw.cz>
2619 * tree.c (find_atomic_core_type): Move ahead in file.
2620 (check_base_type): Correctly compare alignments of atomic types.
2622 2019-02-28 H.J. Lu <hongjiu.lu@intel.com>
2625 * config/i386/i386.c (get_builtin_code_for_version): Identify
2626 Westmere from PCLMUL, instead of AES.
2628 2019-02-28 Jakub Jelinek <jakub@redhat.com>
2631 * config/arm/arm.md (*subsi3_carryin_compare_const): Use
2632 trunc_int_for_mode (-INTVAL (...), SImode), just instead of
2635 2019-02-28 Tamar Christina <tamar.christina@arm.com>
2638 * config/aarch64/aarch64-option-extensions.def: Document it.
2639 * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
2642 2019-02-28 Jakub Jelinek <jakub@redhat.com>
2645 * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
2646 builtins if they don't have a single scalar floating point argument.
2649 2019-02-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
2651 PR rtl-optimization/89490
2652 * varasm.c (get_block_for_section): Bail out for mergeable sections.
2653 (default_use_anchors_for_symbol_p, output_object_block): Assert the
2654 block section is not mergeable.
2656 2019-02-27 Jakub Jelinek <jakub@redhat.com>
2659 * config/arm/arm.md (arm_casesi_internal): New define_expand. Rename
2660 old define_insn to ...
2661 (*arm_casesi_internal): ... this. Add mode to LABEL_REFs.
2662 * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
2663 Rename old define_insn to ...
2664 (*thumb2_casesi_internal): ... this. Add mode to LABEL_REFs.
2665 (thumb2_casesi_internal_pic): New define_expand. Rename old
2667 (*thumb2_casesi_internal_pic): ... this. Add mode to LABEL_REFs.
2668 * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
2669 MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
2671 2019-02-27 Richard Biener <rguenther@suse.de>
2674 * dwarf2out.c (use_debug_types): Disable when in_lto_p.
2676 2019-02-27 Richard Biener <rguenther@suse.de>
2678 * passes.c (should_skip_pass_p): Do not skip cgraph-edge
2681 2019-02-27 Richard Biener <rguenther@suse.de>
2684 * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
2685 parameter, prefix section name with .gnu.debuglto_ if true.
2686 (dwarf2out_finish): Pass false to output_comdat_type_unit.
2687 (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
2689 2019-02-27 Richard Biener <rguenther@suse.de>
2692 * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
2693 rather than on use_debug_types, doing what output_die does.
2694 (value_format): Likewise.
2696 2019-02-27 Martin Jambor <mjambor@suse.cz>
2697 Martin Sebor <msebor@redhat.com>
2699 * doc/invoke.texi (Warning Options): Reword description of
2700 -Wno-absolute-value.
2702 2019-02-27 Jakub Jelinek <jakub@redhat.com>
2704 PR tree-optimization/89280
2705 * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
2706 builtin_setjmp_setup_bb): New functions.
2707 (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
2708 When visiting __builtin_setjmp_setup block, queue in special
2709 setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
2710 __builtin_setjmp_receiver. Remove .ABNORMAL_DISPATCHER basic blocks
2711 from visited after the loop if they don't have any visited successor
2714 2018-02-26 Steve Ellcey <sellcey@marvell.com>
2716 * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
2718 (TARGET_GET_MULTILIB_ABI_NAME): New macro.
2720 2019-02-26 Jakub Jelinek <jakub@redhat.com>
2723 * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
2724 with types other than sizetype/ssizetype.
2726 2019-02-26 Eric Botcazou <ebotcazou@adacore.com>
2728 * config/sparc/sparc-opts.h (enum processor_type): Rename to...
2729 (enum sparc_processor_type): ...this.
2730 (enum sparc_code_model_type): New enumeration type.
2731 (enum sparc_memory_model_type): Tweak comments.
2732 * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
2734 (mcmodel): Use sparc_code_model enumeration and variable.
2735 (sparc_code_model): New enumeration.
2736 (mdebug): Add Undocumented marker.
2737 * config/sparc/sparc.h (enum cmodel): Delete.
2738 (sparc_cmodel): Likewise.
2739 (TARGET_CM_MEDLOW): Adjust to above renaming.
2740 (TARGET_CM_MEDMID): Likewise.
2741 (TARGET_CM_MEDANY): Likewise.
2742 (TARGET_CM_EMBMEDANY): Likewise.
2743 * config/sparc/sparc.c (sparc_cmodel): Delete.
2744 (sparc_option_override): Remove string/value mapping support for the
2745 code model. Move code and memory model support to after the handling
2746 of target flags. Do private machine setup last.
2747 (sparc_emit_set_symbolic_const64): Use sparc_code_model.
2748 (sparc_legitimize_reload_address): Likewise.
2749 (sparc_output_mi_thunk): Likewise.
2750 * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
2752 2019-02-26 Jakub Jelinek <jakub@redhat.com>
2754 PR tree-optimization/89500
2755 * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
2756 (handle_builtin_strlen): Remove noncst_bound variable. Always
2757 optimize strnlen (x, 0) to 0. Optimize strnlen (x, cst) to
2758 cst if the first cst bytes starting at x are known to be non-zero,
2759 even if the string is not zero terminated. Don't try to modify
2760 *si for strnlen. Update strlen_to_stridx only for strlen or if
2761 we can prove strnlen returns the same value as strlen would.
2763 2019-02-26 Martin Liska <mliska@suse.cz>
2765 * alloc-pool.h (struct pool_usage): Remove extra
2767 * bitmap.h (struct bitmap_usage): Likewise.
2768 * ggc-common.c (struct ggc_usage): Likewise.
2769 * mem-stats.h (struct mem_usage): Likewise.
2770 (mem_alloc_description::dump): Print dash lines
2771 here and repeat header at the end of a table report.
2772 It's then more readable.
2773 * tree-phinodes.c (phinodes_print_statistics): Make
2774 horizontal alignment.
2775 * tree-ssanames.c (ssanames_print_statistics): Likewise.
2776 * vec.c (struct vec_usage): Remove extra print_dash_line.
2777 * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
2779 2019-02-26 Uroš Bizjak <ubizjak@gmail.com>
2781 * doc/extend.texi (__builtin_object_size):
2782 Use @pxref instead of @xref inside parenthesis.
2783 (__builtin_has_attribute): Add missing comma after @xref.
2784 (__builtin_object_size): Ditto.
2785 * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
2786 * fortran/invoke.texi (-ffpe-trap): Use @var for every item
2789 2019-02-26 Jeff Law <law@redhat.com>
2791 PR rtl-optimization/87761
2792 * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
2793 detect obviously dead insns and delete them.
2795 2019-02-26 Richard Biener <rguenther@suse.de>
2797 PR tree-optimization/89505
2798 * tree-ssa-structalias.c (compute_dependence_clique): Make sure
2799 to handle restrict pointed-to vars with multiple subvars
2802 2019-02-26 Richard Biener <rguenther@suse.de>
2804 PR tree-optimization/89489
2805 * tree-parloops.c (create_loop_fn): Copy over last_clique.
2807 2019-02-26 Eric Botcazou <ebotcazou@adacore.com>
2809 * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
2810 and move around comment.
2811 <BIT_AND_EXPR>: Likewise.
2812 <BIT_NOT_EXPR>: Add specific handling for boolean types.
2814 2019-02-26 Jakub Jelinek <jakub@redhat.com>
2817 * config/i386/i386.c (remove_partial_avx_dependency): Call
2818 df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
2819 after changing possibly many instructions to use that pseudo. Fix up
2820 insertion of v4sf_const0 setter at the start of bb.
2822 2019-02-25 Sandra Loosemore <sandra@codesourcery.com>
2825 * doc/extend.texi (Variadic Pointer Args): New section.
2827 2019-02-25 Sandra Loosemore <sandra@codesourcery.com>
2828 Martin Sebor <msebor@gmail.com>
2830 * common.opt (Wattribute-alias): Likewise.
2831 * doc/invoke.texi (Option Summary): List general form of
2832 -Wattribute-alias=. List positive form of -Wmissing-attributes.
2833 (-Wmissing-attributes): Invert entry, rewrite and correct default.
2834 Add cross-references.
2835 (-Wattribute-alias): Rewrite and correct default. Mention
2836 considered attributes (same as for -Wmissing-attributes).
2838 2019-02-25 Paul A. Clarke <pc@us.ibm.com>
2840 * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
2841 (_mm_cvtpd_ps): Likewise.
2842 (_mm_cvttpd_epi32): Likewise.
2845 * config/rs6000/xmmintrin.h (_mm_cvtss_f32): Fix type mismatch.
2846 (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
2849 * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
2851 2019-02-25 Tamar Christina <tamar.christina@arm.com>
2854 * common/config/aarch64/aarch64-common.c
2855 (struct aarch64_option_extension): Add is_synthetic.
2856 (all_extensions): Use it.
2857 (TARGET_OPTION_INIT_STRUCT): Define hook.
2858 (struct gcc_targetm_common): Moved to end.
2859 (all_extensions_by_on): New.
2860 (opt_ext_cmp, typedef opt_ext): New.
2861 (aarch64_option_init_struct): New.
2862 (aarch64_contains_opt): New.
2863 (aarch64_get_extension_string_for_isa_flags): Output smallest set.
2864 * config/aarch64/aarch64-option-extensions.def
2865 (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
2866 (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
2867 sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
2868 Set is_synthetic to false.
2869 (crypto): Set is_synthetic to true.
2870 * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
2873 2019-02-25 Tamar Christina <tamar.christina@arm.com>
2875 * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
2876 vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
2877 vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
2878 vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
2879 vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
2880 vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
2881 vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
2882 vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
2884 (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
2885 vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
2886 vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
2887 vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
2888 vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
2889 vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
2890 vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
2891 vfmlsl_laneq_high_f16): ... To this.
2892 * config/arm/neon.md: Update comments.
2894 2019-02-25 Tamar Christina <tamar.christina@arm.com>
2896 * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
2897 vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
2898 vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
2899 vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
2900 vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
2901 vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
2902 vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
2903 vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
2905 (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
2906 vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
2907 vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
2908 vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
2909 vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
2910 vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
2911 vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
2912 vfmlslq_laneq_high_f16): ... To this.
2914 2019-02-25 Alexander Monakov <amonakov@ispras.ru>
2916 PR rtl-optimization/86096
2917 * df-scan.c (df_mw_compare): Do not check mw_reg fields when
2918 comparing mw_order values.
2920 2019-02-25 Jakub Jelinek <jakub@redhat.com>
2923 * config/arm/arm.md (*subsi3_carryin_const): Use
2924 arm_neg_immediate_operand predicate instead of
2925 arm_not_immediate_operand, "L" constraint instead of "K" and
2926 print it using %n2 instead of %B2.
2927 (*subsi3_carryin_const0): New define_insn.
2928 (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
2929 instead of arm_not_operand and "I" constraint instead of "K" and
2930 print it using %n3 instead of %B2. Instead of using match_dup 2 add
2931 another match_operand and in the condition check that it is negation
2933 (*subsi3_carryin_compare_const0): New define_ins.
2934 (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
2935 *subsi3_carryin_const.
2936 (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
2937 split into *subsi3_carryin_compare_const0 if the highpart is zero.
2940 * config/arm.vfp.md (*negdf2_vfp): Use
2941 gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
2942 * config/arm/neon.md (neon_copysignf<mode>): Likewise.
2944 2019-02-24 Jakub Jelinek <jakub@redhat.com>
2946 PR rtl-optimization/89445
2947 * simplify-rtx.c (simplify_ternary_operation): Don't use
2948 simplify_merge_mask on operands that may trap.
2949 * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
2950 SCALAR_FLOAT_MODE_P checks. For integral division by zero, if
2951 second operand is CONST_VECTOR, check if any element could be zero.
2952 Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
2953 their operands can trap.
2955 2019-02-23 Martin Sebor <msebor@redhat.com>
2957 * gimple-ssa-sprintf.c (target_strtol): Rename...
2958 (target_strtohwi): ...to this. Handle values up to HOST_WIDE_INT_MAX.
2959 (parse_directive): Adjust to name change. Use HOST_WIDE_INT_MAX to
2960 check for range error.
2962 2019-02-23 H.J. Lu <hongjiu.lu@intel.com>
2965 * opts-common.c (prune_options): Also prune joined switches
2966 with Negative and RejectNegative.
2967 * config/i386/i386.opt (march=): Add Negative(march=).
2968 (mtune=): Add Negative(mtune=).
2969 * doc/options.texi: Document Negative used together with Joined
2972 2019-02-22 Martin Sebor <msebor@redhat.com>
2974 * doc/extend.texi (Other Builtins): Add
2975 __builtin_is_constant_evaluated.
2977 2019-02-22 Richard Biener <rguenther@suse.de>
2979 PR tree-optimization/87609
2980 * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
2982 2019-02-22 Jeff Law <law@redhat.com>
2984 PR rtl-optimization/87761
2985 * config/mips/mips.md: Add new combiner pattern to recognize
2986 a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
2988 2019-02-22 Matthew Malcomson <matthew.malcomson@arm.com>
2991 * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
2992 destination register in peepholes generating patterns for ADDS/SUBS.
2993 (add<mode>3_compare0,
2994 *addsi3_compare0_uxtw, add<mode>3_compareC,
2995 add<mode>3_compareV_imm, add<mode>3_compareV,
2996 *adds_<optab><ALLX:mode>_<GPI:mode>,
2997 *subs_<optab><ALLX:mode>_<GPI:mode>,
2998 *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
2999 *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
3000 *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
3001 *sub<mode>3_compare0, *subsi3_compare0_uxtw,
3002 sub<mode>3_compare1): Allow stack pointer for source register.
3003 * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
3005 2019-02-22 Martin Sebor <msebor@redhat.com>
3007 PR tree-optimization/88993
3008 PR tree-optimization/88853
3009 * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
3011 (sprintf_dom_walker::call_info::is_string_func): New helper.
3012 (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
3013 for formatted string functions.
3014 (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
3016 2019-02-22 Martin Sebor <msebor@redhat.com>
3019 * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
3020 unreachable subexpressions.
3022 2019-02-22 H.J. Lu <hongjiu.lu@intel.com>
3023 Hongtao Liu <hongtao.liu@intel.com>
3024 Sunil K Pandey <sunil.k.pandey@intel.com>
3027 * config/i386/i386-passes.def: Add
3028 pass_remove_partial_avx_dependency.
3029 * config/i386/i386-protos.h
3030 (make_pass_remove_partial_avx_dependency): New.
3031 * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
3033 (pass_data_remove_partial_avx_dependency): New.
3034 (pass_remove_partial_avx_dependency): Likewise.
3035 (make_pass_remove_partial_avx_dependency): Likewise.
3036 * config/i386/i386.md (avx_partial_xmm_update): New attribute.
3037 (*extendsfdf2): Add avx_partial_xmm_update.
3038 (truncdfsf2): Likewise.
3039 (*float<SWI48:mode><MODEF:mode>2): Likewise.
3040 (SF/DF conversion splitters): Disabled for TARGET_AVX.
3042 2019-02-22 Aldy Hernandez <aldyh@redhat.com>
3045 * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
3048 2019-02-22 Thiago Macieira <thiago.macieira@intel.com>
3051 * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
3052 (PTA_SKYLAKE): Add PTA_AES.
3053 (PTA_GOLDMONT): Likewise.
3055 2019-02-22 Sudakshina Das <sudi.das@arm.com>
3057 * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
3058 instruction if enabled.
3059 (aarch64_override_options): Remove reference to return address key.
3061 2019-02-22 Richard Biener <rguenther@suse.de>
3063 PR tree-optimization/89440
3064 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
3065 not necessary assert.
3067 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
3070 * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
3071 (oacc_replace_fn_attrib_attr): ... this new function.
3072 * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
3073 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
3075 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3077 * config/arm/arm-cpus.in (ares): Rename to...
3078 (neoverse-n1): ... This. Add ares as alias.
3079 * config/arm/arm-tables.opt: Regenerate.
3080 * config/arm/arm-tune.md: Likewise.
3081 * doc/invoke.txt (ARM Options): Document neoverse-n1.
3083 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3085 * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
3086 * config/aarch64/aarch64-tune.md: Regenerate.
3087 * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
3089 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3091 * config/aarch64/aarch64.c (ares_tunings): Rename to...
3092 (neoversen1_tunings): ... This.
3093 * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
3094 (neoverse-n1): New CPU.
3095 * config/aarch64/aarch64-tune.md: Regenerate.
3096 * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
3098 2019-02-22 Richard Biener <rguenther@suse.de>
3101 * cfghooks.h (dependence_hash): New typedef.
3102 (struct copy_bb_data): New type.
3103 (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
3104 (duplicate_block): Likewise.
3105 * cfghooks.c (duplicate_block): Pass down copy_bb_data.
3106 (copy_bbs): Create and pass down copy_bb_data.
3107 * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
3108 (rtl_duplicate_bb): Likewise.
3109 * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
3110 remap dependence info.
3112 2019-02-22 Richard Biener <rguenther@suse.de>
3114 PR tree-optimization/87609
3115 * tree-core.h (tree_base): Document special clique values.
3116 * tree-inline.c (remap_dependence_clique): Do not use the
3117 special clique value of one.
3118 (maybe_set_dependence_info): Use clique one.
3119 (clear_dependence_clique): New callback.
3120 (compute_dependence_clique): Clear clique one from all refs
3121 before assigning it (again).
3123 2019-02-21 Martin Sebor <msebor@redhat.com>
3125 * doc/extend.texi (__clear_cache): Correct signature.
3127 2019-02-21 Ian Lance Taylor <iant@golang.org>
3130 * varasm.c (decode_addr_const): Call lookup_constant_def rather
3131 than output_constant_def.
3132 (add_constant_to_table): New static function.
3133 (output_constant_def): Call add_constant_to_table.
3134 (tree_output_constant_def): Likewise.
3136 2019-02-21 Jakub Jelinek <jakub@redhat.com>
3139 * builtins.c (fold_builtin_arith_overflow): If first two args are
3140 INTEGER_CSTs, set intres and ovfres to constants rather than calls
3143 2019-02-21 H.J. Lu <hongjiu.lu@intel.com>
3146 * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
3147 error for -mindirect-branch/-mfunction-return with incompatible
3150 2019-02-21 Jakub Jelinek <jakub@redhat.com>
3153 * constraints.md (q): Remove.
3154 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
3157 2019-02-21 Martin Jambor <mjambor@suse.cz>
3160 * omp-general.c (omp_extract_for_data): Removed a duplicate call
3161 to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
3162 (omp_adjust_for_condition): ...here. Added necessary parameters.
3163 * omp-general.h (omp_adjust_for_condition): Updated declaration.
3164 * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
3165 proper values to new parameters of omp_adjust_for_condition.
3167 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3170 * expr.c (expand_assignment): If result is a MEM, use change_address
3171 instead of simplify_gen_subreg.
3173 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3174 David Malcolm <dmalcolm@redhat.com>
3177 * fold-const.c (decode_field_reference): Return NULL_TREE if
3178 lang_hooks.types.type_for_size returns NULL. Check it before
3179 overwriting *exp_. Use return NULL_TREE instead of return 0.
3181 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3185 * toplev.c (do_compile): Double the emin/emax exponents to workaround
3188 2019-02-20 Uroš Bizjak <ubizjak@gmail.com>
3191 * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
3192 TARGET_SSE in addition to TARGET_SSE_MATH.
3194 (ix86_excess_precision): Ditto.
3195 (ix86_float_exceptions_rounding_supported_p): Ditto.
3196 (use_rsqrt_p): Ditto.
3197 * config/i386/sse.md (rsqrt<mode>2): Ditto.
3199 2019-02-20 David Malcolm <dmalcolm@redhat.com>
3202 * diagnostic-show-locus.c (layout::calculate_line_spans): Use
3203 linenum_arith_t when determining if two adjacent line spans are
3204 close enough to merge.
3205 (diagnostic_show_locus): Use linenum_arith_t when iterating over
3206 lines within each line_span.
3208 2019-02-20 Andre Vieira <andre.simoesdiasvieira@arm.com>
3211 * lra-constraints.c(uses_hard_regs_p): Fix handling of
3212 paradoxical SUBREGS.
3214 2019-02-20 Li Jia He <helijia@linux.ibm.com>
3217 * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
3218 <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
3219 ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
3222 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3224 * config/gcn/gcn.c (print_operand): Fix typo.
3226 2019-02-19 Richard Biener <rguenther@suse.de>
3229 * toplev.c (do_compile): Initialize mpfr's exponent range
3230 based on available float modes.
3232 2019-02-19 Eric Botcazou <ebotcazou@adacore.com>
3234 * rtlanal.c (get_initial_register_offset): Fall back to the estimate
3235 as long as the epilogue isn't completed.
3237 2019-02-18 Martin Sebor <msebor@redhat.com>
3239 * doc/cpp.texi (Conditional syntax): Add __has_attribute,
3240 __has_cpp_attribute, and __has_include.
3242 2019-02-18 Martin Sebor <msebor@redhat.com>
3244 * doc/invoke.texi (-Wreturn-type): Correct and expand.
3246 2019-02-18 Martin Sebor <msebor@redhat.com>
3249 * tree.c (valid_constant_size_p): Avoid assuming size is a constant
3251 * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
3253 2019-02-18 Richard Biener <rguenther@suse.de>
3255 PR tree-optimization/89296
3256 * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
3257 of no-warning flag to cases that might emit the bogus warning.
3259 2019-02-18 Jakub Jelinek <jakub@redhat.com>
3262 * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
3264 * config/arm/vfp.md (*movdi_vfp): Likewise.
3265 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
3266 "q" constraint for operands[0].
3269 * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
3270 *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
3271 pattern in a temporary buffer.
3272 (*r<noxa>sbg_sidi_srl): Likewise. Always use 32 as I3 rather
3273 than 64-operands[2].
3276 * config/s390/s390.c (s390_indirect_branch_attrvalue,
3277 s390_indirect_branch_settings): Define unconditionally.
3278 (s390_set_current_function): Likewise, but guard the whole body except
3279 the s390_indirect_branch_settings call with
3280 #if S390_USE_TARGET_ATTRIBUTE.
3281 (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
3283 * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
3284 *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
3285 Use HOST_WIDE_INT_M1U instead of ~(0ULL).
3286 (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
3287 HOST_WIDE_INT_1U instead of 1ULL.
3288 (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
3289 to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
3290 (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
3291 z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
3293 (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
3296 2019-02-18 Martin Jambor <mjambor@suse.cz>
3298 PR tree-optimization/89209
3299 * tree-sra.c (create_access_replacement): New optional parameter
3300 reg_tree. Use it as a type if non-NULL and access type is not of
3302 (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
3303 to create_access_replacement.
3304 (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
3305 Check lacc is non-NULL before attempting to re-create it on the RHS.
3307 2019-02-18 Martin Liska <mliska@suse.cz>
3310 * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
3312 (symbol_table::free_edge): Recycle m_summary_id.
3313 * cgraph.h (get_summary_id): New.
3314 (symbol_table::release_symbol): Set m_summary_id to -1
3316 (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
3317 * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
3318 function_summary to fast_function_summary.
3319 * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
3320 * ipa-pure-const.c (class funct_state_summary_t):
3321 Switch from function_summary to fast_function_summary.
3322 * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
3323 (class ipa_ref_opt_summary_t): Switch from function_summary
3324 to fast_function_summary.
3325 * symbol-summary.h (class function_summary_base): New class
3326 that is created from base of former function_summary.
3327 (function_summary_base::unregister_hooks): New.
3328 (class function_summary): Inherit from function_summary_base.
3329 (class call_summary_base): New class
3330 that is created from base of former call_summary.
3331 (class call_summary): Inherit from call_summary_base.
3332 (struct is_same): New.
3333 (class fast_function_summary): New summary class.
3334 (class fast_call_summary): New summary class.
3335 * vec.h (vec_safe_grow_cleared): New function.
3337 2019-02-18 Martin Liska <mliska@suse.cz>
3339 * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
3340 (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
3341 * doc/tm.texi: Document new target hook.
3342 * doc/tm.texi.in: Likewise.
3343 * target.def: Add new target macro.
3344 * gcc.c (find_fortran_preinclude_file): Do not search multilib
3347 2019-02-17 Alan Modra <amodra@gmail.com>
3350 * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
3351 output reg on add insn.
3352 (<bd>tf_<mode> split): Likewise. Match predicates with insn.
3354 2019-02-16 H.J. Lu <hongjiu.lu@intel.com>
3357 * config/i386/sse.md (ssedoublemode): Remove V4HI.
3358 (PMULHRSW): Likewise.
3359 (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
3361 (ssse3_pmulhrswv4hi3): New expander.
3363 2019-02-16 H.J. Lu <hongjiu.lu@intel.com>
3365 * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
3366 MMX. Add isa attribute.
3368 2019-02-16 Jakub Jelinek <jakub@redhat.com>
3370 PR rtl-optimization/66152
3371 * builtins.h (c_readstr): Declare.
3372 * builtins.c (c_readstr): Remove forward declaration. Add
3373 null_terminated_p argument, if false, read all bytes from the
3374 string instead of stopping after '\0'.
3375 * expr.c (string_cst_read_str): New function.
3376 (store_expr): Use string_cst_read_str instead of
3377 builtin_strncpy_read_str. Try to store by pieces the whole
3378 exp_len first, and only if that fails, split it up into
3379 store by pieces followed by clear_storage. Formatting fix.
3381 * config/i386/i386.md (*movqi_internal): Remove static from
3382 buf variable. Use output_asm_insn (buf, operands); return "";
3383 instead of return buf;.
3384 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
3385 *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
3386 *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
3388 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
3390 * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
3391 (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
3392 * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
3393 (CC1_SPEC): Likewise.
3394 * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
3396 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
3398 * asan.c (asan_emit_stack_protection): Use full-sized mask to align
3399 the base address on 64-bit strict-alignment platforms.
3401 2019-02-15 H.J. Lu <hongjiu.lu@intel.com>
3403 * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
3405 2019-02-15 Uroš Bizjak <ubizjak@gmail.com>
3407 * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
3409 2019-02-15 Aaron Sawdey <acsawdey@linux.ibm.com>
3411 PR rtl-optimization/88308
3412 * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
3413 on copied instruction.
3415 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
3417 * final.c (insn_current_reference_address): Replace test on JUMP_P
3418 with test on jump_to_label_p.
3419 * config/visium/visium-passes.def: New file.
3420 * config/visium/t-visium (PASSES_EXTRA): Define.
3421 * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
3422 * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
3423 (TRAMPOLINE_ALIGNMENT): Define.
3424 * config/visium/visium.c (visium_option_override): Do not register
3425 the machine-specific reorg pass here.
3426 (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
3428 (output_branch): Adjust threshold for long branch instruction.
3429 * config/visium/visium.md (cpu): Move around.
3430 (length): Adjust for the GR6.
3432 2019-02-15 Richard Biener <rguenther@suse.de>
3433 Jakub Jelinek <jakub@redhat.com>
3435 PR tree-optimization/89278
3436 * tree-loop-distribution.c: Include tree-eh.h.
3437 (generate_memset_builtin, generate_memcpy_builtin): Call
3438 rewrite_to_non_trapping_overflow on builtin->size before passing it
3439 to force_gimple_operand_gsi.
3441 2019-02-15 Jakub Jelinek <jakub@redhat.com>
3444 * optc-save-gen.awk: Handle optimize_fast like optimize_size or
3446 * opth-gen.awk: Likewise.
3448 2019-02-15 Uroš Bizjak <ubizjak@gmail.com>
3450 * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
3451 Enable MMX, SSE and SSE2 by default.
3452 * config/i386/i386.c (ix86_option_override_internal): Do not
3453 explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
3455 2019-02-14 Jakub Jelinek <jakub@redhat.com>
3457 PR rtl-optimization/89354
3458 * combine.c (make_extraction): Punt if extraction_mode is narrower
3461 2019-02-14 Maya Rashish <coypu@sdf.org>
3463 * config.gcc (*-*-netbsd*): Add netbsd-d.o.
3464 * config/netbsd-d.c: New file.
3465 * config/t-netbsd: Add netbsd-d.o
3467 2018-02-14 Steve Ellcey <sellcey@marvell.com>
3469 * config/aarch64/aarch64.c (aarch64_attribute_table): Change
3470 affects_type_identity to true for aarch64_vector_pcs.
3471 (aarch64_comp_type_attributes): New function.
3472 (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
3474 2019-02-14 Tamar Christina <tamar.christina@arm.com>
3477 * config/arm/iterators.md (ANY64): Add V4HF.
3479 2019-02-14 Martin Liska <mliska@suse.cz>
3481 PR rtl-optimization/89242
3482 * dce.c (delete_unmarked_insns): Call free_dominance_info we
3483 process a transformation.
3485 2019-02-14 Jakub Jelinek <jakub@redhat.com>
3487 PR tree-optimization/89314
3488 * fold-const.c (fold_binary_loc): Cast strlen argument to
3489 const char * before dereferencing it. Formatting fixes.
3492 * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
3494 2019-02-13 Ian Lance Taylor <iant@golang.org>
3496 * optc-save-gen.awk: Set var_opt_hash for initial optimizations
3497 and set current index for other optimizations.
3499 2019-02-13 Uroš Bizjak <ubizjak@gmail.com>
3501 * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
3502 nonimmediate_operand as operand 2 predicate.
3503 (vec_set<VF2_512_256:mode>_0): Ditto.
3504 (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
3505 (*vec_concatv2si): Remove alternative 2.
3506 (*vec_concatv4si_0): Use vm constraint for alternative 0.
3507 (*vec_concatv4si_0): Remove preferred_for_speed attribute.
3508 (vec_concatv2di): Split alternatives 4,5,6 to ...
3509 (*vec_concatv2di_0) ... new pattern.
3511 2019-02-13 Wilco Dijkstra <wdijkstr@arm.com>
3514 * config/arm/arm.c (ldm_stm_operation_p) Set
3515 addr_reg_in_reglist correctly for first register.
3516 (load_multiple_sequence): Remove dead base check.
3517 (gen_ldm_seq): Correctly set write_back for Thumb-1.
3519 2019-02-13 Tamar Christina <tamar.christina@arm.com>
3522 * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
3523 Expose as @aarch64_pred_mov.
3524 * config/aarch64/aarch64.c (aarch64_classify_address):
3525 Use expand_insn which legitimizes operands.
3527 2019-02-13 Martin Liska <mliska@suse.cz>
3529 * builtins.h (expand_builtin_with_bounds): Remove declaration.
3530 * calls.c (struct arg_data): Remove special_slot, pointer_arg
3531 and pointer_offset fields.
3532 (initialize_argument_information): Remove usage of dead
3534 * cgraph.h (struct cgraph_thunk_info): Remove
3535 add_pointer_bounds_args.
3536 * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
3538 (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
3540 * config/i386/i386.c (ix86_function_arg_advance): Remove
3542 (struct builtin_isa): Remove leaf_p and nothrow_p fields.
3543 (def_builtin): Remove usage of dead
3545 (ix86_add_new_builtins): Likewise.
3546 * ipa-fnsummary.c (compute_fn_summary): Likewise.
3547 * ipa-icf.c (sem_function::equals_wpa): Likewise.
3548 (sem_function::init): Likewise.
3549 (sem_variable::merge): Likewise.
3550 * ipa-visibility.c (function_and_variable_visibility): Likewise.
3551 * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
3552 * lto-cgraph.c (lto_output_node): Likewise.
3553 (lto_output_varpool_node): Likewise.
3554 (input_node): Likewise.
3555 (input_varpool_node): Likewise.
3556 * lto-streamer-out.c (lto_output): Likewise.
3557 * tree-inline.c (expand_call_inline): Remove usage of
3559 * tree-inline.h (struct copy_body_data): Likewise.
3560 * varpool.c (varpool_node::dump): Likewise.
3562 2019-02-13 Jakub Jelinek <jakub@redhat.com>
3565 * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
3566 into pt->vars_contains_escaped_heap instead of setting
3567 pt->vars_contains_escaped_heap to it.
3570 * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
3571 INTVAL (size), compare it to GET_MODE_MASK instead of
3572 1 << GET_MODE_BITSIZE.
3575 * config/i386/predicates.md (x86_64_immediate_operand): Allow
3576 TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
3579 2019-02-13 Martin Liska <mliska@suse.cz>
3582 * cfgrtl.c (remove_barriers_from_footer): New function.
3583 (try_redirect_by_replacing_jump): Use it.
3584 (cfg_layout_redirect_edge_and_branch): Likewise.
3586 2019-02-13 Xiong Hu Luo <luoxhu@linux.vnet.ibm.com>
3588 * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
3589 vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
3590 * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
3591 (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
3592 * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
3593 (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
3595 * config/rs6000/rs6000.c (builtin_function_type)
3596 <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
3597 CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
3598 CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
3599 * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
3600 vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
3602 2019-02-12 Pat Haugen <pthaugen@us.ibm.com>
3604 * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
3605 -maltivec. Delete -maltivec=be and -maltivec=le documentation.
3607 2019-02-12 H.J. Lu <hongjiu.lu@intel.com>
3610 * config/i386/i386.md (*movoi_internal_avx): Revert revision
3611 268678 and revision 268657.
3612 (*movti_internal): Likewise.
3614 2019-02-12 Ilya Leoshkevich <iii@linux.ibm.com>
3617 * config/s390/s390.c (s390_decompose_address): Update comment.
3618 (s390_check_qrst_address): Reject invalid address forms after
3621 2019-02-12 Martin Liska <mliska@suse.cz>
3624 * ipa-pure-const.c (propagate_pure_const): Revert hunk as
3625 we need default values of funct_state for a function that
3628 2019-02-12 Eric Botcazou <ebotcazou@adacore.com>
3630 * asan.c (asan_expand_mark_ifn): Take into account the alignment of
3631 the object to pick the size of stores on strict-alignment platforms.
3633 * config/sparc/sparc.md (*movsi_insn): Minor tweak.
3634 (*movdi_insn_sp32): Likewise.
3635 (*movdi_insn_sp64): Likewise.
3637 2019-02-12 Jan Hubicka <hubicka@ucw.cz>
3640 * cgraphunit.c (analyze_functions): Clear READONLY flag for external
3641 types that needs constructiong.
3642 * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
3644 2019-02-12 Richard Biener <rguenther@suse.de>
3646 PR tree-optimization/89253
3647 * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
3650 2019-02-11 David Malcolm <dmalcolm@redhat.com>
3653 * input.c (selftest::test_line_offset_overflow): New selftest.
3654 (selftest::input_c_tests): Call it.
3656 2019-02-11 Martin Sebor <msebor@redhat.com>
3658 PR tree-optimization/88771
3659 * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
3660 when -Wstringop-overflow is set.
3661 (builtin_memref::builtin_memref): Adjust excessive upper bound
3662 only when lower bound is not excessive.
3663 (maybe_diag_overlap): Detect and diagnose excessive bounds via
3664 -Wstringop-ovefflow.
3665 (maybe_diag_offset_bounds): Rename...
3666 (maybe_diag_access_bounds): ...to this.
3667 (check_bounds_or_overlap): Adjust for name change above.
3669 2019-02-11 Martin Sebor <msebor@redhat.com>
3672 * builtins.c (max_object_size): Move from here...
3673 * builtins.h (max_object_size): ...and here...
3674 * tree.c (max_object_size): ...to here...
3675 * tree.h (max_object_size): ...and here.
3677 2019-02-11 Bill Schmidt <wschmidt@linux.ibm.com>
3679 * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
3680 and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
3681 for correct semantics.
3683 2019-02-11 Alan Modra <amodra@gmail.com>
3685 * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
3686 -mlongcall and -mpltseq.
3687 (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
3688 (RS/6000 and PowerPC Options <-mpltseq>): Document.
3689 * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
3690 * config/rs6000/sysv4.opt (mpltseq): New option.
3691 * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
3692 (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
3693 support is lacking. Don't allow -mpltseq with -mbss-plt.
3694 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
3695 -mpltseq given for ELFv1.
3696 * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
3697 Only use UNSPEC_PLTSEQ for inline PLT calls.
3698 (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments. Only
3699 use UNSPEC_PLTSEQ for inline PLT calls.
3700 (rs6000_indirect_call_template_1, rs6000_longcall_ref),
3701 (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
3702 uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
3703 * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
3704 (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
3705 (pltseq_mtctr_<mode>): Likewise.
3707 2019-02-11 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3709 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
3711 * configure: Regenerate.
3713 2019-02-11 Jakub Jelinek <jakub@redhat.com>
3716 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
3719 2019-02-11 Hans-Peter Nilsson <hp@axis.com>
3721 * function.c (assign_parm_setup_block): Use the stored
3722 size, not the passed size, when allocating stack-space,
3723 also for a parameter with alignment larger than
3724 MAX_SUPPORTED_STACK_ALIGNMENT.
3726 2019-02-11 Martin Liska <mliska@suse.cz>
3729 * ipa-cp.c (build_toporder_info): Remove usage of a param.
3730 * ipa-inline.c (inline_small_functions): Likewise.
3731 * ipa-pure-const.c (propagate_pure_const): Likewise.
3732 (propagate_nothrow): Likewise.
3733 * ipa-reference.c (propagate): Likewise.
3734 * ipa-utils.c (struct searchc_env): Remove unused field.
3735 (searchc): Always search across AVAIL_INTERPOSABLE.
3736 (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
3737 the only called IPA pure const can properly not propagate
3738 across interposable boundary.
3739 * ipa-utils.h (ipa_reduced_postorder): Remove param.
3741 2019-02-11 Chung-Ju Wu <jasonwucj@gmail.com>
3743 * config/nds32/nds32.md (call_internal, call_value_internal,
3744 sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
3746 2019-02-11 Hans-Peter Nilsson <hp@axis.com>
3748 * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
3751 2019-02-10 H.J. Lu <hongjiu.lu@intel.com>
3753 * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
3756 2019-02-10 Chung-Ju Wu <jasonwucj@gmail.com>
3758 * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
3760 2019-02-10 Jakub Jelinek <jakub@redhat.com>
3762 PR tree-optimization/89268
3763 * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
3764 if preds is non-NULL.
3766 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
3769 * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
3772 2019-02-10 Monk Chiang <sh.chiang04@gmail.com>
3774 * config/nds32/nds32.md (trap): New pattern.
3776 2019-02-10 Monk Chiang <sh.chiang04@gmail.com>
3778 * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
3781 2019-02-10 Chung-Ju Wu <jasonwucj@gmail.com>
3783 * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
3786 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
3788 * ipa-visibility.c (localize_node): Also do not localize
3789 LDPR_PREVAILING_DEF_IRONLY_EXP.
3791 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
3794 * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
3795 instead of type_with_linkage.
3797 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
3800 * params.def (uninlined-function-insns, uninlined-function-time,
3801 uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
3802 bound so we don't get overflows.
3804 2019-02-09 Aaron Sawdey <acsawdey@linux.ibm.com>
3806 * config/rs6000/rs6000-string.c (expand_compare_loop,
3807 expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
3810 2019-02-09 Jakub Jelinek <jakub@redhat.com>
3813 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3814 If !node->definition and TYPE_ARG_TYPES is non-NULL, use
3815 TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
3817 2019-02-09 Alan Modra <amodra@gmail.com>
3820 * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
3821 case. Match logic in rs6000_emit_prologue emitting pic_offset_table
3824 2019-02-08 Vladimir Makarov <vmakarov@redhat.com>
3827 * lra-constraints.c (process_alt_operands): Don't increase reject
3828 for memory when offset memory is required.
3830 2019-02-08 Robin Dapp <rdapp@linux.ibm.com>
3832 * config/s390/vector.md: Implement vector copysign.
3834 2019-02-08 H.J. Lu <hongjiu.lu@intel.com>
3836 * expr.c (expand_constructor): Correct indentations.
3838 2019-02-08 Richard Biener <rguenther@suse.de>
3840 PR tree-optimization/89247
3841 * tree-if-conv.c: Include tree-cfgcleanup.h.
3842 (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
3843 (tree_if_conversion): Pass through predicate vector.
3844 (pass_if_conversion::execute): Do CFG cleanup and SSA update
3845 inline, see if any if-converted loops we refrece in
3846 LOOP_VECTORIZED calls vanished and fixup.
3847 * tree-if-conv.h (tree_if_conversion): Adjust prototype.
3849 2019-02-08 Ilya Leoshkevich <iii@linux.ibm.com>
3851 * config/s390/constraints.md (jdd): New constraint.
3853 2019-02-08 H.J. Lu <hongjiu.lu@intel.com>
3856 * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
3857 upper 16 vector registers without TARGET_AVX512VL.
3858 (*movti_internal): Likewise.
3860 2019-02-08 Jakub Jelinek <jakub@redhat.com>
3862 PR rtl-optimization/89234
3863 * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
3864 is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
3865 (copy_reg_eh_region_note_backward): Likewise.
3867 2019-02-08 Richard Biener <rguenther@suse.de>
3870 * tree-data-ref.c (initialize_matrix_A): Fail if constant
3872 (analyze_subscript_affine_affine): Handle failure from
3873 initialize_matrix_A.
3875 2019-02-08 Jakub Jelinek <jakub@redhat.com>
3877 * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
3880 2019-02-07 David Malcolm <dmalcolm@redhat.com>
3882 PR tree-optimization/86637
3883 PR tree-optimization/89235
3884 * tree-vect-loop.c (optimize_mask_stores): Add an
3885 auto_purge_vect_location sentinel to ensure that vect_location is
3888 (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
3889 (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
3890 to ensure that vect_location is purged on exit.
3891 (pass_slp_vectorize::execute): Likewise, replacing the manual
3893 * tree-vectorizer.h (class auto_purge_vect_location): New class.
3895 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3897 * config/aarch64/iterators.md (max_opp): New code_attr.
3898 (USMAX): New code iterator.
3899 * config/aarch64/predicates.md (aarch64_smin): New predicate.
3900 (aarch64_smax): Likewise.
3901 * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
3902 (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
3905 2019-02-07 H.J. Lu <hongjiu.lu@intel.com>
3908 * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
3909 for TARGET_AVX512VL.
3910 (*movti_internal): Set mode to TI for TARGET_AVX512VL.
3912 2019-02-07 Andreas Krebbel <krebbel@linux.ibm.com>
3914 * config/s390/s390-builtin-types.def: Add new types.
3915 * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
3916 (s390_vec_xlw4): Make the memory operand into a const pointer.
3917 (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
3919 * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
3920 a new vector type with the alignment of the scalar memory operand.
3922 2019-02-07 Matthew Malcomson <matthew.malcomson@arm.com>
3923 Jakub Jelinek <jakub@redhat.com>
3926 * config/arm/arm-protos.h (valid_operands_ldrd_strd,
3927 arm_count_ldrdstrd_insns): New declarations.
3928 * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
3930 (valid_operands_ldrd_strd): New function.
3931 (arm_count_ldrdstrd_insns): New function.
3932 * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
3933 sets instead of single DImode set and define new insns to match this.
3935 2019-02-07 Tamar Christina <tamar.christina@arm.com>
3937 * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
3938 Make it a C initializer.
3940 2019-02-07 Tamar Christina <tamar.christina@arm.com>
3943 * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
3945 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3947 * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
3948 Use neon_dot<q> for type.
3949 (neon_<sup>dot_lane<vsi2qi>): Likewise.
3951 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3953 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
3954 Use neon_dot<q> for type.
3955 (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
3956 (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
3958 2019-02-06 Vladimir Makarov <vmakarov@redhat.com>
3960 PR rtl-optimization/89225
3961 * lra-constaints.c (simplify_operand_subreg): Add subreg mode
3964 2019-02-06 Eric Botcazou <ebotcazou@adacore.com>
3966 * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
3967 after restoring registers saved to allocate the frame on Windows.
3969 2019-02-06 Richard Biener <rguenther@suse.de>
3971 PR tree-optimization/89182
3972 * graphite.h (cached_scalar_evolution_in_region): Declare.
3973 * graphite.c (struct seir_cache_key): New.
3974 (struct sese_scev_hash): Likewise.
3975 (seir_cache): New global.
3976 (cached_scalar_evolution_in_region): New function.
3977 (graphite_transform_loops): Allocate and release seir_cache.
3978 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
3979 cached_scalar_evolution_in_region.
3980 * graphite-scop-detection.c (scop_detection::can_represent_loop):
3982 (scop_detection::graphite_can_represent_expr: Use
3983 cached_scalar_evolution_in_region.
3984 (scop_detection::stmt_simple_for_scop_p): Likewise.
3985 (find_params_in_bb): Likewise.
3986 (gather_bbs::before_dom_children): Likewise.
3987 * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
3988 (add_loop_constraints): Likewise.
3990 2019-02-06 Jakub Jelinek <jakub@redhat.com>
3993 * fold-const-call.c (fold_const_vec_convert): Pass true as last
3994 operand to new_unary_operation only if both element types are integral
3995 and it isn't a widening conversion. Return NULL_TREE if
3996 new_unary_operation failed.
3998 2019-02-05 Andreas Krebbel <krebbel@linux.ibm.com>
4001 * config/s390/s390.md: Remove load and test FP splitter.
4003 2019-02-05 Aaron Sawdey <acsawdey@linux.ibm.com>
4006 * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
4007 expand_compare_loop, expand_block_compare_gpr,
4008 expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
4009 REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
4010 #include "profile-count.h" and "predict.h" for types and functions
4011 needed to work with REG_BR_PROB notes.
4013 2019-02-05 Aaron Sawdey <acsawdey@linux.ibm.com>
4016 * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
4017 for the long branch case.
4019 2019-02-05 Jakub Jelinek <jakub@redhat.com>
4022 * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
4023 can throw, non-call exceptions are enabled and we can't delete
4024 dead exceptions or alter cfg. Set must_clean if
4025 delete_insn_and_edges returns true, don't set it blindly for calls.
4026 Assert that delete_unreachable_blocks is called only if can_alter_cfg.
4028 PR rtl-optimization/89195
4029 * combine.c (make_extraction): For MEMs, don't extract bytes outside
4030 of the original MEM.
4032 2019-02-05 Martin Liska <mliska@suse.cz>
4034 PR gcov-profile/89000
4035 * gcov.c (function_summary): Remove argument.
4036 (file_summary): New function.
4037 (print_usage): Replace tabs with spaces.
4038 (generate_results): Use new function file_summary.
4040 2019-02-05 Jakub Jelinek <jakub@redhat.com>
4043 * optabs.c (prepare_cmp_insn): Pass x and y to
4044 emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
4046 2019-02-05 Richard Biener <rguenther@suse.de>
4049 * bitmap.h (struct bitmap_obstack): Do not mark GTY.
4050 (struct bitmap_element): Drop chain_prev so we properly recurse on
4051 the prev member, supporting tree views.
4052 (struct bitmap_head): GTY skip the obstack member.
4054 2019-02-04 Alexander Monakov <amonakov@ispras.ru>
4057 * doc/extend.texi (Vector Extensions): Add an example of using vector
4058 types together with x86 intrinsics.
4060 2019-02-04 Alan Modra <amodra@gmail.com>
4062 * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
4063 str[] size to 160, and comment.
4065 2019-02-04 Alan Modra <amodra@gmail.com>
4067 * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
4068 (rs6000_pltseq_template): Guard output of TLS markers with
4070 (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
4071 (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
4072 to use inline PLT sequences.
4073 * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
4074 (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
4075 (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
4077 2019-02-04 Martin Liska <mliska@suse.cz>
4080 * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
4081 out when ipa_fn_summaries does not contain entry for callee.
4083 2019-02-04 Eric Botcazou <ebotcazou@adacore.com>
4085 * config/sparc/sparc.h: Remove superfluous blank lines.
4086 * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
4087 (got_register_rtx): ...this.
4088 (sparc_got): Adjust to above renaming.
4089 (sparc_tls_got): Likewise.
4090 (sparc_delegitimize_address): Likewise.
4091 (sparc_output_mi_thunk): Likewise.
4092 (sparc_init_pic_reg): Likewise.
4093 (save_local_or_in_reg_p): Fix test on the GOT register.
4094 (USE_HIDDEN_LINKONCE): Move around.
4095 (get_pc_thunk_name): Likewise.
4096 (gen_load_pcrel_sym): Likewise.
4097 (load_got_register): Likewise.
4099 2019-02-04 Kito Cheng <kito.cheng@gmail.com>
4101 * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
4102 of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
4104 2019-02-04 Chung-Ju Wu <jasonwucj@gmail.com>
4106 * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
4109 2019-02-04 Chung-Ju Wu <jasonwucj@gmail.com>
4111 * config.gcc (with_nds32_lib, glibc):
4112 Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
4113 * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
4114 (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
4116 2019-02-03 Uroš Bizjak <ubizjak@gmail.com>
4119 * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
4120 Do not prefer (v,v) alternative for non-AVX targets and (m,v)
4121 alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
4122 (*rcpsf2_sse): Ditto.
4123 (*rsqrtsf2_sse): Ditto.
4124 (sse4_1_round<mode<2): Ditto.
4126 2019-02-03 Richard Biener <rguenther@suse.de>
4129 * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
4132 2019-02-02 Jakub Jelinek <jakub@redhat.com>
4135 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4136 Punt with warning on aggregate return or argument types. Ignore
4137 type/mode checking for uniform arguments.
4139 2019-02-01 Segher Boessenkool <segher@kernel.crashing.org>
4141 * combine.c (try_combine): Do not print "Can't combine" messages unless
4142 printing failed combination attempts.
4144 2019-02-01 Martin Jambor <mjambor@suse.cz>
4147 * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
4148 segment and global segment variables before making them static.
4150 2019-02-01 Martin Jambor <mjambor@suse.cz>
4152 * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
4153 missed optimization dump with dump_enabled_p.
4155 2019-02-01 Richard Biener <rguenther@suse.de>
4158 * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
4159 the instantiate cache.
4160 (instantiate_scev_binary): Elide second operand procesing
4161 if equal to the first.
4162 * tree-chrec.c (chrec_contains_symbols): Add visited set.
4163 (chrec_contains_undetermined): Likewise.
4164 (tree_contains_chrecs): Likewise.
4166 2019-02-01 Jan Hubicka <hubicka@ucw.cz>
4168 * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
4170 2019-02-01 Jakub Jelinek <jakub@redhat.com>
4172 PR tree-optimization/89143
4173 * wide-int-range.h (wide_int_range_absu): Declare.
4174 * wide-int-range.cc (wide_int_range_absu): New function.
4175 * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
4177 PR tree-optimization/88107
4178 * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
4179 instead of assertion that eh_region_outermost is non-NULL, if it
4180 is NULL, set *ALL to true and return NULL.
4181 (move_sese_region_to_fn): Adjust caller, if all is set, call
4182 duplicate_eh_regions with NULL region.
4184 2019-02-01 Richard Biener <rguenth@suse.de>
4186 PR rtl-optimization/88593
4187 * mode-switching.c (optimize_mode_switching): Free dominators before
4188 calling cleanup_cfg.
4190 2019-02-01 Bin Cheng <bin.cheng@linux.alibaba.com>
4192 PR tree-optimization/88932
4193 * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
4195 2019-01-31 Jakub Jelinek <jakub@redhat.com>
4198 * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
4199 bogus clang warning.
4201 2019-01-31 Uroš Bizjak <ubizjak@gmail.com>
4204 * config/i386/i386.md (*extendsfdf2): Split out reg->reg
4205 alternative to avoid partial SSE register stall for TARGET_AVX.
4206 (truncdfsf2): Ditto.
4207 (sse4_1_round<mode>2): Ditto.
4209 2018-01-31 Bill Schmidt <wschmidt@linux.ibm.com>
4211 PR tree-optimization/89008
4212 * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
4213 process anything of the form X * 0.
4215 2019-01-31 Richard Biener <rguenther@suse.de>
4217 PR tree-optimization/89135
4218 * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
4219 with abnormal preds.
4221 2019-01-31 Jakub Jelinek <jakub@redhat.com>
4224 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
4225 always_inline callees into no_sanitize_address callers.
4227 2019-01-31 Richard Biener <rguenther@suse.de>
4229 PR rtl-optimization/89115
4230 * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
4232 2019-01-30 Martin Sebor <msebor@redhat.com>
4235 * doc/extend.texi (cast to a union): Correct and expand.
4237 2019-01-30 Vladimir Makarov <vmakarov@redhat.com>
4239 PR rtl-optimization/87246
4240 * lra-constraints.c (simplify_operand_subreg): Reload memory
4241 in subreg if the address became invalid.
4243 2019-01-30 Bill Schmidt <wschmidt@linux.ibm.com>
4246 * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
4247 Disable for little-endian.
4249 2019-01-30 Richard Biener <rguenther@suse.de>
4251 PR rtl-optimization/89115
4252 * opts.c (default_options_optimization): Reduce
4253 PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
4254 Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
4257 2019-01-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
4259 * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
4260 Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT. Coerce result to
4261 type of vector element when vec_extract is implemented by direct
4264 2019-01-30 Thomas Schwinge <thomas@codesourcery.com>
4266 * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
4268 2019-01-30 Richard Biener <rguenther@suse.de>
4270 PR tree-optimization/89111
4271 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
4272 canonicalization to appropriately sized access types.
4274 2019-01-30 Jakub Jelinek <jakub@redhat.com>
4277 * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
4278 for arguments to functions that are TU-local and shouldn't be
4279 referenced by assembly.
4281 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4283 * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
4286 2019-01-29 Martin Sebor <msebor@redhat.com>
4289 * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
4291 2019-01-29 Jakub Jelinek <jakub@redhat.com>
4295 * omp-simd-clone.c (simd_clone_clauses_extract)
4296 <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
4297 OMP_CLAUSE_ALIGNED_ALIGNMENT.
4299 2019-01-29 Vineet Gupta <vgupta@synopsys.com>
4301 * config.gcc: Force .init_array for ARC.
4303 2019-01-29 Richard Biener <rguenther@suse.de>
4306 * dwarf2out.c (collect_skeleton_dies): New helper.
4307 (copy_decls_for_unworthy_types): Call it.
4308 (build_abbrev_table): Assert we do not try to replace
4309 DW_AT_signature refs with local refs.
4311 2019-01-28 Jakub Jelinek <jakub@redhat.com>
4314 * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
4315 for lastprivate/linear IV, push gimplify context around gimplify_assign
4316 and, if it needed any temporaries, pop it into a gimple bind around the
4319 2019-01-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
4321 * common.opt (-Wattribute-alias): Remove "no-" from name.
4322 Make -Wattribute-alias command line option and
4323 #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
4325 2019-01-28 Jakub Jelinek <jakub@redhat.com>
4328 * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
4329 -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
4331 (bmi2): Add missing @opindex.
4332 * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
4333 options alphabetically. Add missing 3dnow, 3dnowa, adx, avx, avx2,
4334 avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
4335 avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
4336 avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
4337 cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
4338 fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
4339 pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
4340 sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
4341 xsavec, xsaveopt and xsaves options.
4343 2019-01-28 Richard Biener <rguenther@suse.de>
4346 * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
4349 2019-01-28 Richard Biener <rguenther@suse.de>
4351 PR tree-optimization/88739
4352 * tree-cfg.c (verify_types_in_gimple_reference): Verify
4353 BIT_FIELD_REFs only are applied to mode-precision operands
4354 when they are integral.
4355 (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
4356 * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
4357 BIT_FIELD_REFs of non-mode-precision integral operands.
4359 2019-01-27 Jakub Jelinek <jakub@redhat.com>
4362 * config/i386/sse.md
4363 (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
4364 avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
4365 first constants in pairs are multiples of 2. Formatting fixes.
4366 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
4367 avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
4368 first constants in each quadruple are multiples of 4. Formatting fixes.
4370 2019-01-26 Martin Jambor <mjambor@suse.cz>
4373 * tree-inline.c: Include tree-cfgcleanup.h.
4374 (delete_unreachable_blocks_update_callgraph): Move...
4375 * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
4376 ...here, make externally visible, make second argument bool, adjust
4378 * tree-cfgcleanup.c: Include cgraph.h.
4379 * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
4381 * ipa-prop.c: Include tree-cfgcleanup.h.
4382 (ipcp_transform_function): Call
4383 delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
4385 2019-01-25 Vladimir Makarov <vmakarov@redhat.com>
4387 PR rtl-optimization/88846
4388 * ira.c (process_set_for_memref_referenced_p): New.
4389 (memref_referenced_p): Add new param. Use
4390 process_set_for_memref_referenced_p. Add new switch cases.
4391 (memref_used_between_p): Pass new arg to memref_referenced_p.
4393 2019-01-25 Richard Earnshaw <rearnsha@arm.com>
4396 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
4397 argument ABI_BREAK. Set to true if the calculated alignment has
4398 changed in gcc-9. Check bit-fields for their base type alignment.
4399 (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
4400 (aarch64_function_arg_boundary): Likewise.
4401 (aarch64_gimplify_va_arg_expr): Likewise.
4403 2019-01-25 Richard Sandiford <richard.sandiford@arm.com>
4406 * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
4407 instead of accessing TREE_INT_CST_ELT directly.
4409 2019-01-25 Christophe Lyon <christophe.lyon@linaro.org>
4411 * doc/sourcebuild.texi (Environment attributes): Add fenv and
4412 fenv_exceptions description.
4414 2019-01-25 Wilco Dijkstra <wdijkstr@arm.com>
4416 PR rtl-optimization/87763
4417 * config/aarch64/aarch64.c (aarch64_select_cc_mode):
4418 Allow SUBREG when matching CC_NZmode compare.
4420 2019-01-25 Richard Biener <rguenther@suse.de>
4422 PR tree-optimization/89049
4423 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
4424 Look at the pattern stmt to determine if the stmt is vectorized.
4426 2019-01-25 Richard Sandiford <richard.sandiford@arm.com>
4428 * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
4429 (pred_mov<mode>): Handle all-register forms using both a new
4430 alternative and a split.
4432 2019-01-25 Richard Biener <rguenther@suse.de>
4434 PR tree-optimization/86865
4435 * graphite-scop-detection.c (scop_detection::can_represent_loop):
4436 Reject non-do-while loops.
4438 2019-01-24 Peter Bergner <bergner@linux.ibm.com>
4440 * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
4441 * config/rs6000/constraints.md (Q constraint): Use REG_P.
4442 * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
4443 * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
4444 SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
4445 * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
4446 * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
4447 vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
4448 vlogical_operand, gpc_reg_operand, int_reg_operand,
4449 int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
4450 (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
4451 cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
4452 (save_world_operation, restore_world_operation, lmw_operation,
4453 stmw_operation): Use MEM_P and REG_P.
4454 (tie_operand): Use MEM_P.
4455 (vrsave_operation, crsave_operation): Use REG_P.
4456 (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
4457 (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
4458 (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
4459 (call_operand): Use HARD_REGISTER_P.
4460 (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
4462 (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
4463 * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
4464 quad_aligned_load_p, replace_swapped_aligned_store,
4465 recombine_lvx_pattern, replace_swapped_aligned_load,
4466 recombine_stvx_pattern): Use MEM_P.
4467 (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
4468 Use MEM_P and SYMBOL_REF_P.
4469 (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
4470 (insn_is_swappable_p): Use REG_P and MEM_P.
4471 (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
4472 * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
4474 * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
4476 (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
4478 (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
4479 CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
4480 (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
4481 HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
4483 (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
4484 (easy_altivec_constant, rs6000_legitimate_offset_address_p,
4485 rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
4486 rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
4487 rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
4488 rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
4489 rs6000_split_logical_di): Use CONST_INT_P.
4490 (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
4491 REG_P and SYMBOL_REF_P.
4492 (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
4493 (print_operand): Use CONST_INT_P, MEM_P and REG_P.
4494 (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
4495 mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
4496 (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
4497 (small_data_operand, print_operand_address): Use CONST_INT_P and
4499 (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
4500 (rs6000_init_hard_regno_mode_ok, direct_move_p):
4501 Use HARD_REGISTER_NUM_P.
4502 (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
4503 (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
4504 SUBREG_P and SYMBOL_REF_P.
4505 (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
4506 and HARD_REGISTER_NUM_P.
4507 (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
4509 (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
4510 (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
4512 (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
4513 registers_ok_for_quad_peep, rs6000_output_function_epilogue,
4514 find_addr_reg): Use REG_P.
4515 (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
4516 (rs6000_emit_le_vsx_move): Use SUBREG_P.
4517 (offsettable_ok_by_alignment, constant_pool_expr_p,
4518 legitimate_small_data_p, rs6000_output_dwarf_dtprel,
4519 rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
4520 rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
4521 rs6000_assemble_integer, create_TOC_reference,
4522 rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
4523 rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
4524 (rs6000_split_vec_extract_var): Use reg_or_subregno.
4525 * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
4526 CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
4527 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
4528 * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
4529 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
4530 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
4531 (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
4532 (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
4533 * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
4534 and cbranch<mode>4): Use CONST_INT_P.
4535 (multiple define_splits): Use REG_P and SUBREG_P.
4536 (define_expands call, call_value): Use MEM_P.
4537 (define_expands sibcall, sibcall_value): Use CONST_INT_P and MEM_P.
4538 (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
4539 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
4540 *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
4541 and HARD_REGISTER_NUM_P.
4542 (multiple define_splits): Use HARD_REGISTER_NUM_P.
4544 2019-01-24 Uroš Bizjak <ubizjak@gmail.com>
4546 PR rtl-optimization/88948
4547 * rtl.h (prepare_copy_insn): New prototype.
4548 * gcse.c (prepare_copy_insn): New function, split out from
4549 process_insert_insn.
4550 (process_insert_insn): Use prepare_copy_insn.
4551 * store-motion.c (replace_store_insn): Use prepare_copy_insn
4552 instead of gen_move_insn.
4554 2019-01-24 Jakub Jelinek <jakub@redhat.com>
4557 * config/i386/i386.c (ix86_pic_register_p): Return true for
4560 PR tree-optimization/88964
4561 * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
4562 punt if HONOR_SNANS (chrec).
4565 * tree-nested.c (convert_nonlocal_reference_stmt,
4566 convert_local_reference_stmt, convert_tramp_reference_stmt,
4567 convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
4568 gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
4571 PR tree-optimization/89027
4572 * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
4573 for "omp simd array" variables.
4575 2019-01-24 Richard Earnshaw <rearnsha@arm.com>
4578 * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
4579 force the alignment of m_val.
4581 2019-01-24 Richard Biener <rguenther@suse.de>
4584 * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
4585 When in "legacy" debug mode make sure to reset self-origins.
4587 2019-01-24 Martin Liska <mliska@suse.cz>
4589 PR gcov-profile/88994
4590 * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
4591 result will be always smaller or equal to the original.
4592 * gcov.c (mangle_name): Fix else branch where we should
4593 also copy to PTR and shift the pointer.
4595 2019-01-24 Xiong Hu Luo <luoxhu@linux.vnet.ibm.com>
4597 * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
4598 * vr-values.c (find_case_label_ranges): Fix a comment typo.
4600 2019-01-23 Bin Cheng <bin.cheng@arm.com>
4601 Steve Ellcey <sellcey@marvell.com>
4604 * recog.c (address_operand): Return false on wrong mode for address.
4605 (constrain_operands): Check for mode with 'p' constraint.
4607 2019-01-23 Uroš Bizjak <ubizjak@gmail.com>
4610 * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
4611 Disparage MMX alternative.
4612 (sse2_cvtpd2pi): Ditto.
4613 (sse2_cvttpd2pi): Ditto.
4615 2019-01-23 David Malcolm <dmalcolm@redhat.com>
4618 * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
4619 use-after-free of the result of
4620 aarch64_get_extension_string_for_isa_flags.
4622 2019-01-23 Jakub Jelinek <jakub@redhat.com>
4625 * doc/extend.texi: Document break and continue behavior in
4626 statement expressions.
4628 2019-01-23 Richard Biener <rguenther@suse.de>
4630 PR tree-optimization/89008
4631 * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
4632 not leave another stray operand.
4634 2019-01-23 Jakub Jelinek <jakub@redhat.com>
4636 * BASE-VER: Bump to 9.0.1.
4638 2019-01-23 Eric Botcazou <ebotcazou@adacore.com>
4640 * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
4641 thunk that returns by reference, use the type of the return object
4642 of the thunk instead of that of the alias to build the dereference.
4644 2019-01-23 Vineet Gupta <vgupta@synopsys.com>
4646 * config/arc/atomic.md: Add operand to DMB instruction.
4648 2019-01-23 Jakub Jelinek <jakub@redhat.com>
4650 PR tree-optimization/88964
4651 * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
4652 build_zero_cst instead of build_int_cst. Return false for loop
4653 invariants which honor signed zeros.
4655 2019-01-22 Segher Boessenkool <segher@kernel.crashing.org>
4657 * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
4659 2019-01-22 Jakub Jelinek <jakub@redhat.com>
4662 * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
4663 (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
4664 is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
4667 * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
4668 non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
4671 * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
4672 Disable for little endian.
4674 2019-01-22 Richard Earnshaw <rearnsha@arm.com>
4677 * config/arm/arm.c (arm_needs_double_word_align): Check
4678 DECL_BIT_FIELD_TYPE.
4680 2019-01-22 Hongtao Liu <hongtao.liu@intel.com>
4681 H.J. Lu <hongjiu.lu@intel.com>
4684 * config/i386/i386-builtin.def: Add mask2 to all builtin
4685 initializations. Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
4687 * config/i386/i386.c (BDESC): Add mask2 to the definition.
4688 (BDESC_FIRST): Likewise.
4689 (define_builtin): Add an argument for mask2. Updated to handle
4690 both ix86_isa_flags and ix86_isa_flags2.
4691 (define_builtin_const): Likewise.
4692 (define_builtin_pure): Likewise.
4693 (define_builtin2): Deleted.
4694 (define_builtin_const2): Likewise.
4695 (builtin_description): Add a member, mask2.
4696 (bdesc_*): Add mask2 to builtin initializations.
4697 (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
4698 def_builtin_const and def_builtin_pure. Remove SPECIAL_ARGS2
4700 (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
4702 2019-01-22 H.J. Lu <hongjiu.lu@intel.com>
4705 * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
4708 2019-01-22 Richard Earnshaw <rearnsha@arm.com>
4711 * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
4712 alignment is dominated by a bitfield with 64-bit aligned base type.
4713 (arm_function_arg): Emit a warning if the alignment has changed since
4714 earlier GCC releases.
4715 (arm_function_arg_boundary): Likewise.
4716 (arm_setup_incoming_varargs): Likewise.
4718 2019-01-22 Richard Biener <rguenther@suse.de>
4720 PR tree-optimization/88862
4721 * graphite-scop-detection.c
4722 (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
4724 2019-01-22 Andrew Stubbs <ams@codesourcery.com>
4726 * doc/extend.tex (AMD GCN Function Attributes): New section.
4727 * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
4728 * doc/invoke.texi (AMD GCN Options): New section.
4729 * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
4731 2019-01-22 Eric Botcazou <ebotcazou@adacore.com>
4733 * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
4734 register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
4736 2019-01-22 Jakub Jelinek <jakub@redhat.com>
4738 PR tree-optimization/88044
4739 * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
4740 is false in the first iteration, but !every_iteration, return false
4741 instead of true with niter->niter zero.
4743 PR rtl-optimization/88904
4744 * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
4745 any nonequal registers before processing BB_END (b).
4748 * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
4750 (expand_binop_directly, expand_doubleword_clz,
4751 expand_doubleword_popcount, expand_ctz, expand_ffs,
4752 expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
4754 PR rtl-optimization/49429
4756 PR rtl-optimization/86334
4758 * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
4759 addressable from here...
4760 (emit_block_op_via_libcall): ... to here.
4762 2019-01-22 Richard Biener <rguenther@suse.de>
4764 * tree-vect-loop.c (vect_analyze_loop_operations): Use
4765 auto_vec for cost vector to fix memleak.
4766 (vectorize_fold_left_reduction): Properly gather SLP defs.
4767 (vectorizable_comparison): Do not swap operands to properly
4770 2019-01-22 Alan Modra <amodra@gmail.com>
4773 * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
4774 stays a reg. Allow a const_int.
4775 * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
4776 * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
4777 (IS_NOMARK_TLSGETADDR): Define.
4778 * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
4779 (rs6000_output_tlsargs): New function.
4780 (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
4781 __tls_get_addr call takes an arg.
4782 (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
4783 * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
4785 (call_value_nonlocal_sysv): ..or here, delete split.
4786 (tls_gdld_nomark): Delete.
4787 (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
4788 predicate. Call rs6000_output_tlsargs. Adjust length to suit.
4789 (call_value_nonlocal_sysv): Likewise.
4790 (call_value_nonlocal_sysv_secure): Likewise.
4791 (call_value_nonlocal_aix): Likewise.
4792 (call_value_indirect_aix): Likewise.
4793 (call_value_indirect_elfv2): Likewise.
4794 (call_value_local32, call_value_local64): Disable for no-mark tls.
4795 (call_value_local_aix): Likewise.
4797 2019-01-21 Uroš Bizjak <ubizjak@gmail.com>
4800 * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
4801 case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
4803 2019-01-21 Michael Ploujnikov <michael.ploujnikov@oracle.com>
4805 * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
4806 string contents as hash_map keys.
4808 2019-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
4811 * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
4812 for rvalue context. Handle rvalues correctly. Use min_align_of_type
4813 instead of TYPE_ALIGN.
4814 (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
4815 Use min_align_of_type instead of TYPE_ALIGN_UNIT. Check for NULL
4816 pointer from TYPE_STUB_DECL.
4818 2019-01-21 Richard Biener <rguenther@suse.de>
4820 PR tree-optimization/88934
4821 * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
4822 at the possibly non-constant operand.
4823 (vect_get_constant_vectors): Adjust.
4825 2019-01-21 H.J. Lu <hongjiu.lu@intel.com>
4828 * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
4829 * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
4830 instead of _X86INTRIN_H_INCLUDED.
4831 * onfig/i386/clwbintrin.h: Likewise.
4832 * config/i386/pkuintrin.h: Likewise.
4833 * config/i386/prfchwintrin.h: Likewise.
4834 * config/i386/rdseedintrin.h: Likewise.
4835 * config/i386/wbnoinvdintrin.h: Likewise.
4836 * config/i386/xsavecintrin.h: Likewise.
4837 * config/i386/xsavesintrin.h: Likewise.
4838 * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
4839 * config/i386/xsaveintrin.h: Likewise.
4840 * config/i386/xsaveoptintrin.h: Likewise.
4841 * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
4842 <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
4843 <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
4844 <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
4845 <wbnoinvdintrin.h> and <pkuintrin.h> to ...
4846 * config/i386/immintrin.h: Here.
4848 2019-01-20 Martin Jambor <mjambor@suse.cz>
4851 * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
4852 with aa_walk_budget.
4853 * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
4854 aa_walk_budget_p parameter.
4855 * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi. Limit AA
4856 walk. Updated all callers.
4857 (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
4858 (eliminated_by_inlining_prob): New parameter fbi, pass it on to
4860 (will_be_nonconstant_expr_predicate): New parameter fbi, removed
4861 parameter info. Extract info from fbi. Pass fbi to recursive calls
4862 and to unmodified_parm.
4863 (phi_result_unknown_predicate): New parameter fbi, removed parameter
4864 info, updated call to will_be_nonconstant_expr_predicate.
4865 (param_change_prob): New parameter fbi, limit AA walking.
4866 (analyze_function_body): Initialize aa_walk_budget in fbi. Update
4867 calls to various above functions.
4868 * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
4869 parameter. Use it to limit AA walking.
4870 * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
4872 (detect_type_change): New parameter fbi, pass it on to
4873 detect_type_change_from_memory_writes.
4874 (detect_type_change_ssa): Likewise.
4875 (aa_overwalked): Removed.
4876 (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
4877 accordingly, adjust to the neew AA limiting scheme.
4878 (parm_ref_data_preserved_p): Likewise.
4879 (ipa_compute_jump_functions_for_edge): Adjust call to
4881 (ipa_analyze_call_uses): Likewise.
4882 (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
4883 (ipa_analyze_node): Initialize aa_walk_budget.
4884 (ipcp_transform_function): Likewise.
4885 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
4886 to get_dynamic_type.
4888 2019-01-19 Jakub Jelinek <jakub@redhat.com>
4890 * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
4891 outside of #if CHECKING_P code.
4893 2019-01-19 Richard Sandiford <richard.sandiford@arm.com>
4895 * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
4896 New function, split out from...
4897 (loop_versioning::analyze_stride): ...here.
4898 (loop_versioning::find_per_loop_multiplication): Use gassign.
4899 (loop_versioning::analyze_term_using_scevs): Return a success code.
4900 (loop_versioning::analyze_arbitrary_term): New function.
4901 (loop_versioning::analyze_address_fragment): Use
4902 analyze_arbitrary_term if all else fails.
4904 2019-01-18 Segher Boessenkool <segher@kernel.crashing.org>
4907 * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
4910 2019-01-18 Richard Biener <rguenther@suse.de>
4912 PR tree-optimization/88903
4913 * tree-vect-stmts.c (vectorizable_shift): Verify we see all
4914 scalar stmts a SLP shift amount is composed of when detecting
4917 2019-01-18 Richard Earnshaw <rearnsha@arm.com>
4920 * config/arm/arm-cpus.in (mp): New feature.
4922 (fgroup ARMv7ve): Add mp and sec features.
4923 (arch armv7-a): Add options to allow mp and sec extensions.
4924 (cpu generic-armv7-a): Add options to allow mp and sec extensions.
4925 (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
4926 extenstions to the base architecture.
4927 (cpu cortex-a8): Add sec extension to the base architecture.
4928 (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
4929 * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
4930 variants down to the base v7-a varaint.
4931 * config/arm/t-multilib (v7_a_arch_variants): New variable.
4932 * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
4933 of permitted extensions for -march=armv7-a and for
4934 -mcpu=generic-armv7-a.
4936 2019-01-18 Martin Liska <mliska@suse.cz>
4938 * params.def: Fix comment.
4939 * tree-profile.c (gimple_init_gcov_profiler): Bump function
4941 (gimple_gen_ic_func_profiler): Likewise.
4943 2019-01-18 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4945 * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
4946 * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
4947 and put in error checks for stack protector guard options.
4948 (aarch64_stack_protect_guard): New.
4949 (TARGET_STACK_PROTECT_GUARD): Define.
4950 * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
4951 (reg_stack_protect_address<mode>): New.
4952 (stack_protect_set): Adjust for SSP_GLOBAL.
4953 (stack_protect_test): Likewise.
4954 * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
4955 (-mstack-protector-guard): Likewise.
4956 (-mstack-protector-guard-offset): Likewise.
4958 2019-01-18 Jakub Jelinek <jakub@redhat.com>
4960 PR tree-optimization/86214
4961 * tree-inline.h (struct copy_body_data): Add
4962 add_clobbers_to_eh_landing_pads member.
4963 * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
4964 (copy_edges_for_bb): Call it if EH edge destination is <
4965 id->add_clobbers_to_eh_landing_pads. Fix a comment typo.
4966 (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
4967 if flag_stack_reuse != SR_NONE and clear it afterwards.
4969 2019-01-18 Christophe Lyon <christophe.lyon@linaro.org>
4972 * doc/install.texi (with-multilib-list): Document for aarch64.
4974 2019-01-18 Jakub Jelinek <jakub@redhat.com>
4977 * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
4978 (("..."))) with ("...").
4980 2019-01-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4982 * doc/extend.texi (Built-in Functions for Memory Model Aware
4983 Atomic Operations): Document atomic fetch and nand.
4985 2019-01-18 Martin Liska <mliska@suse.cz>
4986 Richard Biener <rguenther@suse.de>
4989 * cgraph.h (create_version_clone_with_body): Add new argument
4991 * cgraphclones.c (cgraph_node::create_version_clone): Add
4992 DECL_ATTRIBUTES to a newly created decl. And call
4993 valid_attribute_p so that proper cl_target_optimization_node
4994 is set for the newly created declaration.
4995 * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
4997 (expand_target_clones): Do not call valid_attribute_p, it must
4999 * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
5002 2019-01-17 Jakub Jelinek <jakub@redhat.com>
5005 * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
5006 (("..."))) with ("..."). Use arch=armv8.2-a+sha3 instead of
5007 arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
5009 2019-01-17 Martin Sebor <msebor@redhat.com>
5012 * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
5013 Handle anti-ranges the same as no range at all.
5015 2018-01-17 Steve Ellcey <sellcey@cavium.com>
5017 * config/aarch64/aarch64.c (cgraph.h): New include.
5018 (intl.h): New include.
5019 (supported_simd_type): New function.
5020 (currently_supported_simd_type): Ditto.
5021 (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
5022 (aarch64_simd_clone_adjust): Ditto.
5023 (aarch64_simd_clone_usable): Ditto.
5024 (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
5025 (TARGET_SIMD_CLONE_ADJUST): Ditto.
5026 (TARGET_SIMD_CLONE_USABLE): Ditto.
5027 * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
5028 * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
5031 2019-01-17 Martin Sebor <msebor@redhat.com>
5033 PR tree-optimization/88800
5034 * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
5035 NO_WARNING bit here. Avoid folding out-of-bounds calls.
5036 * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
5037 redundant argument. Add new argument and issue diagnostics under
5038 its control. Detect out-of-bounds access even with warnings
5040 (check_bounds_or_overlap): Change return type. Add argument.
5041 (wrestrict_dom_walker::check_call): Adjust.
5042 * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
5043 * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
5044 check_bounds_or_overlap's return value.
5045 (handle_builtin_stxncpy): Same.
5046 (handle_builtin_strcat): Same.
5048 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
5049 Kwok Cheung Yeung <kcy@codesourcery.com>
5050 Julian Brown <julian@codesourcery.com>
5051 Tom de Vries <tom@codesourcery.com>
5053 * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
5055 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
5057 * doc/sourcebuild.texi: Document dg-require-effective-target
5058 llvm_binutils and offload_gcn.
5060 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
5061 Kwok Cheung Yeung <kcy@codesourcery.com>
5062 Julian Brown <julian@codesourcery.com>
5063 Tom de Vries <tom@codesourcery.com>
5065 * doc/sourcebuild.texi: Document dg-required-effective-target
5068 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
5069 Kwok Cheung Yeung <kcy@codesourcery.com>
5070 Julian Brown <julian@codesourcery.com>
5071 Tom de Vries <tom@codesourcery.com>
5072 Jan Hubicka <hubicka@ucw.cz>
5073 Martin Jambor <mjambor@suse.cz>
5075 * config.gcc: Add amdgcn*-*-amdhsa configuration.
5076 * configure.ac: Check for dlopen.
5077 * configure: Regenerate.
5079 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
5080 Kwok Cheung Yeung <kcy@codesourcery.com>
5081 Julian Brown <julian@codesourcery.com>
5082 Tom de Vries <tom@codesourcery.com>
5083 Jan Hubicka <hubicka@ucw.cz>
5084 Martin Jambor <mjambor@suse.cz>
5086 * common/config/gcn/gcn-common.c: New file.
5087 * config/gcn/driver-gcn.c: New file.
5088 * config/gcn/gcn-builtins.def: New file.
5089 * config/gcn/gcn-hsa.h: New file.
5090 * config/gcn/gcn-modes.def: New file.
5091 * config/gcn/gcn-opts.h: New file.
5092 * config/gcn/gcn-passes.def: New file.
5093 * config/gcn/gcn-protos.h: New file.
5094 * config/gcn/gcn-run.c: New file.
5095 * config/gcn/gcn-tree.c: New file.
5096 * config/gcn/gcn.c: New file.
5097 * config/gcn/gcn.h: New file.
5098 * config/gcn/gcn.opt: New file.
5099 * config/gcn/t-gcn-hsa: New file.
5101 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
5102 Kwok Cheung Yeung <kcy@codesourcery.com>
5103 Julian Brown <julian@codesourcery.com>
5104 Tom de Vries <tom@codesourcery.com>
5105 Jan Hubicka <hubicka@ucw.cz>
5106 Martin Jambor <mjambor@suse.cz>
5108 * config/gcn/constraints.md: New file.
5109 * config/gcn/gcn-valu.md: New file.
5110 * config/gcn/gcn.md: New file.
5111 * config/gcn/predicates.md: New file.
5113 2019-01-17 Eric Botcazou <ebotcazou@adacore.com>
5115 * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
5116 flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
5117 (stmt_uses_0_or_null_in_undefined_way): Likewise.
5118 * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
5120 2019-01-17 Tamar Christina <tamar.christina@arm.com>
5123 * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
5124 * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
5125 it and document registers.
5127 2019-01-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5129 * config/aarch64/aarch64.c (ares_tunings): Define.
5130 * config/aarch64/aarch64-cores.def (ares): Use the above.
5132 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
5136 2018-11-06 Wei Xiao <wei3.xiao@intel.com>
5138 * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
5139 (_mm512_fixupimm_round_pd): Update parameters and builtin.
5140 (_mm512_maskz_fixupimm_round_pd): Ditto.
5141 (_mm512_fixupimm_round_ps): Ditto.
5142 (_mm512_maskz_fixupimm_round_ps): Ditto.
5143 (_mm_fixupimm_round_sd): Ditto.
5144 (_mm_maskz_fixupimm_round_sd): Ditto.
5145 (_mm_fixupimm_round_ss): Ditto.
5146 (_mm_maskz_fixupimm_round_ss): Ditto.
5147 (_mm512_fixupimm_pd): Ditto.
5148 (_mm512_maskz_fixupimm_pd): Ditto.
5149 (_mm512_fixupimm_ps): Ditto.
5150 (_mm512_maskz_fixupimm_ps): Ditto.
5151 (_mm_fixupimm_sd): Ditto.
5152 (_mm_maskz_fixupimm_sd): Ditto.
5153 (_mm_fixupimm_ss): Ditto.
5154 (_mm_maskz_fixupimm_ss): Ditto.
5155 (_mm512_mask_fixupimm_round_pd): Update builtin.
5156 (_mm512_mask_fixupimm_round_ps): Ditto.
5157 (_mm_mask_fixupimm_round_sd): Ditto.
5158 (_mm_mask_fixupimm_round_ss): Ditto.
5159 (_mm512_mask_fixupimm_pd): Ditto.
5160 (_mm512_mask_fixupimm_ps): Ditto.
5161 (_mm_mask_fixupimm_sd): Ditto.
5162 (_mm_mask_fixupimm_ss): Ditto.
5163 * config/i386/avx512vlintrin.h:
5164 (_mm256_fixupimm_pd): Update parameters and builtin.
5165 (_mm256_maskz_fixupimm_pd): Ditto.
5166 (_mm256_fixupimm_ps): Ditto.
5167 (_mm256_maskz_fixupimm_ps): Ditto.
5168 (_mm_fixupimm_pd): Ditto.
5169 (_mm_maskz_fixupimm_pd): Ditto.
5170 (_mm_fixupimm_ps): Ditto.
5171 (_mm_maskz_fixupimm_ps): Ditto.
5172 (_mm256_mask_fixupimm_pd): Update builtin.
5173 (_mm256_mask_fixupimm_ps): Ditto.
5174 (_mm_mask_fixupimm_pd): Ditto.
5175 (_mm_mask_fixupimm_ps): Ditto.
5176 * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
5177 * config/i386/i386-builtin.def: Update builtin definitions.
5178 * config/i386/i386.c: Handle new builtin types and remove useless ones.
5179 * config/i386/sse.md: Update VFIXUPIMM* patterns.
5180 (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
5181 (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
5182 (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
5183 (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
5184 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
5185 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
5186 * config/i386/subst.md:
5187 (round_saeonly_sd_mask_operand4): Add new subst_attr.
5188 (round_saeonly_sd_mask_op4): Ditto.
5189 (round_saeonly_expand_operand5): Ditto.
5190 (round_saeonly_expand): Update.
5192 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
5196 2018-11-12 Wei Xiao <wei3.xiao@intel.com>
5198 * config/i386/sse.md: Combine VFIXUPIMM* patterns
5199 (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
5200 (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
5201 (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
5202 (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
5203 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
5204 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
5206 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
5210 2018-12-15 Jakub Jelinek <jakub@redhat.com>
5213 * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
5214 (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
5215 instead of UNSPEC_FIXUPIMM.
5217 2019-01-17 Richard Biener <rguenther@suse.de>
5220 * dwarf2out.c (want_pubnames): Never generate pubnames sections
5221 and friends for the LTO part of debug info.
5223 2019-01-17 Jakub Jelinek <jakub@redhat.com>
5225 PR tree-optimization/86214
5226 * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
5229 PR rtl-optimization/88870
5230 * dce.c (deletable_insn_p): Never delete const/pure calls that can
5231 throw if we can't alter the cfg or delete dead exceptions.
5232 (mark_insn): Don't call find_call_stack_args for such calls.
5234 2019-01-17 Kewen Lin <linkw@gcc.gnu.org>
5236 * doc/extend.texi: Add four new prototypes for vec_ld and seven new
5237 prototypes for vec_st.
5238 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
5239 for scalar address type variants of altivec_vec_ld/altivec_vec_st,
5240 mainly on signed/unsigned long long and double.
5242 2019-01-16 David Malcolm <dmalcolm@redhat.com>
5245 * combine.c (delete_noop_moves): Convert to "bool" return,
5246 returning true if any edges are eliminated.
5247 (combine_instructions): Also return true if delete_noop_moves
5250 2019-01-16 Tamar Christina <tamar.christina@arm.com>
5252 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
5253 correct max nunits for endian swap.
5254 (aarch64_expand_fcmla_builtin): Correct subreg code.
5255 * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
5256 aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
5259 2019-01-16 Uroš Bizjak <ubizjak@gmail.com>
5261 * config/alpha/alpha.c (alpha_gimplify_va_arg):
5262 Handle split indirect COMPLEX_TYPE arguments.
5264 2019-01-16 Richard Earnshaw <rearnsha@arm.com>
5267 * config/aarch64/aarch64-modes.def: Add comment about how the carry
5268 bit is set by add and compare.
5269 (CC_ADC): New CC_MODE.
5270 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
5271 to cache the code and mode of X. Adjust the shape of a CC_Cmode
5272 comparison. Add detection for CC_ADCmode.
5273 (aarch64_get_condition_code_1): Update code support for CC_Cmode. Add
5275 * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
5276 (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
5277 (add<mode>3_compareC_cconly_imm): Delete. Merge into...
5278 (add<mode>3_compareC_cconly): ... this. Restructure the comparison
5279 to eliminate the need for zero-extending the operands.
5280 (add<mode>3_compareC_imm): Delete. Merge into ...
5281 (add<mode>3_compareC): ... this. Restructure the comparison to
5282 eliminate the need for zero-extending the operands.
5283 (add<mode>3_carryin): Use LTU for the overflow detection.
5284 (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
5285 Reexpress comparison for overflow.
5286 (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
5287 (add<mode>3_carryinC): Likewise.
5288 (add<mode>3_carryinV): Use LTU for carry between partials.
5289 * config/aarch64/predicates.md (aarch64_carry_operation): Update
5290 handling of CC_Cmode and add CC_ADCmode.
5291 (aarch64_borrow_operation): Likewise.
5293 2019-01-16 Tamar Christina <tamar.christina@arm.com>
5295 * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
5296 * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
5297 * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
5298 neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
5300 2019-01-16 Martin Liska <mliska@suse.cz>
5302 * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
5304 * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
5306 * gcc.c (add_sysrooted_hdrs_prefix): New function.
5307 (path_prefix_reset): Move up in the source file.
5308 (find_fortran_preinclude_file): Make complex search for the
5309 fortran header files.
5311 2019-01-15 Nikhil Benesch <nikhil.benesch@gmail.com>
5313 * godump.c (go_output_typedef): When outputting a typedef, refer
5314 to the underlying type by its name and not its structure.
5316 2019-01-15 David Malcolm <dmalcolm@redhat.com>
5319 * tree.c (build_function_type): Assert that arg_types is not
5322 2019-01-15 Richard Sandiford <richard.sandiford@arm.com>
5325 * doc/extend.texi: Document that listing the stack pointer in the
5326 clobber list of an asm is a deprecated feature.
5327 * common.opt (Wdeprecated): Moved from c-family/c.opt.
5328 * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
5329 warning instead of an error for clobbers of the stack pointer.
5330 Add a note explaining why.
5332 2019-01-15 Richard Biener <rguenther@suse.de>
5335 * dwarf2out.c (gen_member_die): Do not generate inheritance
5338 2019-01-15 Richard Biener <rguenther@suse.de>
5340 PR tree-optimization/88855
5341 * tree-if-conv.c (combine_blocks): Collect
5342 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
5344 2019-01-15 Tom de Vries <tdevries@suse.de>
5347 * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
5348 lhs == NULL_TREE for gang-level reduction.
5350 2019-01-15 Richard Biener <rguenther@suse.de>
5351 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
5354 * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
5355 return true if SSA_NAME is already marked in visited bitmap.
5356 (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
5358 2019-01-15 Jakub Jelinek <jakub@redhat.com>
5360 PR tree-optimization/88775
5361 * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
5362 equal == 0 equality pointer comparisons some more if compared in
5363 integral types and either one points to an automatic var and the
5364 other to a global, or we can prove at least one points to the middle
5365 or both point to start or both point to end.
5367 2019-01-14 Andi Kleen <ak@linux.intel.com>
5369 * Makefile.in: Lower autofdo sampling rate by 10x.
5370 * Makefile.tpl: Dito.
5372 2019-01-14 Tom Honermann <tom@honermann.net>
5374 * defaults.h: Define CHAR8_TYPE.
5376 2019-01-14 Martin Sebor <msebor@redhat.com>
5379 * doc/extend.texi (Darwin Format Checks): Clarify.
5381 2019-01-14 Richard Biener <rguenther@suse.de>
5383 * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
5384 whether we are in (simplify ...) or (match ...) context.
5386 2019-01-14 Jakub Jelinek <jakub@redhat.com>
5388 PR rtl-optimization/88796
5389 * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
5390 * cfgexpand.c (stack_protect_prologue): Initialize
5391 crtl->stack_protect_guard_decl.
5392 * function.c (stack_protect_epilogue): Use it instead of calling
5393 targetm.stack_protect_guard again.
5394 * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
5395 MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
5396 crtl->stack_protect_guard_decl.
5397 * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
5398 on the returned MEM_EXPR.
5400 2019-01-12 Tom de Vries <tdevries@suse.de>
5402 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
5403 vector length using -fopenacc-dim.
5405 2019-01-12 Tom de Vries <tdevries@suse.de>
5407 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
5408 lengths into account.
5410 2019-01-12 Svante Signell <svante.signell@gmail.com>
5412 * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
5413 (TARGET_CAN_SPLIT_STACK): Define.
5414 (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
5416 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
5418 * params.def (inline-unit-growth): Set to 40.
5420 2019-01-12 Jakub Jelinek <jakub@redhat.com>
5422 * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
5424 2019-01-12 Tom de Vries <tdevries@suse.de>
5426 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
5427 region calling vector-partitionable routine, set default_vector_length
5430 2019-01-12 Tom de Vries <tdevries@suse.de>
5432 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
5433 variable default_vector_length.
5435 2019-01-12 Tom de Vries <tdevries@suse.de>
5438 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
5439 from oacc_default_dims, as oacc_validate_dims would do it, and apply
5442 2019-01-12 Tom de Vries <tdevries@suse.de>
5444 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
5445 (nvptx_goacc_validate_dims): Add used parameter.
5446 * doc/tm.texi: Regenerate.
5447 * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
5448 argument to call to targetm.goacc.validate_dims.
5449 (default_goacc_validate_dims): Add used
5451 * target.def (validate_dims): Add used parameter in DEFHOOK.
5452 * targhooks.h (default_goacc_validate_dims): Add used parameter.
5454 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5458 * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
5460 * tree-inline.c (remap_type_1): Formatting fix. If TYPE_MAX_VALUE of
5461 ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
5462 a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
5463 * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
5465 2019-01-11 Vladimir Makarov <vmakarov@redhat.com>
5467 PR rtl-optimization/87305
5469 (setup_live_pseudos_and_spill_after_risky_transforms): Add code
5470 for little endian pseudos used as paradoxical subreg.
5472 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5474 PR tree-optimization/88693
5475 * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
5476 for STRING_CSTs that don't contain any NUL characters in the first
5477 TREE_STRING_LENGTH bytes.
5479 2019-01-11 Alan Modra <amodra@gmail.com>
5483 * genattrtab.c (min_fn): Don't translate values.
5484 (min_attr_value): Return INT_MAX when the value can't be calculated.
5485 Return minimum among any values that can be calculated.
5486 (max_attr_value): Adjust.
5488 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5490 * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
5492 2019-01-11 Steve Ellcey <sellcey@marvell.com>
5494 * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
5495 (aarch64_hard_regno_call_part_clobbered): Add insn argument.
5496 (aarch64_return_call_with_max_clobbers): New function.
5497 (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
5498 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
5500 * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
5501 * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
5502 * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
5503 * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
5504 * cselib.c (cselib_process_insn): Add argument to
5505 targetm.hard_regno_call_part_clobbered call.
5506 * ira-conflicts.c (ira_build_conflicts): Ditto.
5507 * ira-costs.c (ira_tune_allocno_costs): Ditto.
5508 * lra-constraints.c (inherit_reload_reg): Ditto.
5509 * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
5510 * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
5511 argument. Call targetm.return_call_with_max_clobbers.
5512 Add argument to targetm.hard_regno_call_part_clobbered call.
5513 (calls_have_same_clobbers_p): New function.
5514 (process_bb_lives): Add call_insn and last_call_insn variables.
5515 Pass call_insn to check_pseudos_live_through_calls.
5516 Modify if stmt to check targetm.return_call_with_max_clobbers.
5517 Update setting of flush variable.
5518 (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
5520 * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
5521 * regcprop.c (copyprop_hardreg_forward_1): Add argument to
5522 targetm.hard_regno_call_part_clobbered call.
5523 * reginfo.c (choose_hard_reg_mode): Ditto.
5524 * regrename.c (check_new_reg_p): Ditto.
5525 * reload.c (find_equiv_reg): Ditto.
5526 * reload1.c (emit_reload_insns): Ditto.
5527 * sched-deps.c (deps_analyze_insn): Ditto.
5528 * sel-sched.c (init_regs_for_mode): Ditto.
5529 (mark_unavailable_hard_regs): Ditto.
5530 * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
5531 * target.def (hard_regno_call_part_clobbered): Add insn argument.
5532 (return_call_with_max_clobbers): New target function.
5533 * doc/tm.texi: Regenerate.
5534 * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
5535 * hooks.c (hook_bool_uint_mode_false): Change to
5536 hook_bool_insn_uint_mode_false.
5537 * hooks.h (hook_bool_uint_mode_false): Ditto.
5539 2019-01-11 Steve Ellcey <sellcey@marvell.com>
5541 * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
5542 (aarch64_remove_extra_call_preserved_regs): New function.
5543 (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
5544 * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
5545 * doc/tm.texi: Regenerate.
5546 * final.c (get_call_reg_set_usage): Call new hook.
5547 * target.def (remove_extra_call_preserved_regs): New hook.
5548 * targhooks.c (default_remove_extra_call_preserved_regs): New function.
5549 * targhooks.h (default_remove_extra_call_preserved_regs): New function.
5551 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5554 * passes.c (finish_optimization_passes): Call print_combine_total_stats
5555 inside of pass_combine_1 dump rather than pass_profile_1.
5557 2019-01-11 Tom de Vries <tdevries@suse.de>
5559 * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
5560 (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
5561 (PTX_NUM_PER_WORKER_BARRIERS): Define.
5562 (nvptx_apply_dim_limits): Prevent vector_length 64 and
5565 2019-01-11 Tom de Vries <tdevries@suse.de>
5567 * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
5569 2019-01-11 Jan Beulich <jbeulich@suse.com>
5571 * config/i386/i386.md (rex64suffix): Add L suffix for SI.
5572 * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
5573 sse2_cvtsi2sd): Add {l}.
5574 (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
5577 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5580 * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
5582 (*float<floatunssuffix>v2div2sf2): New define_insn.
5583 (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
5584 (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
5585 (*float<floatunssuffix>v2div2sf2_mask_1): Replace
5586 subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
5587 match_operands with "const0_operand" "C".
5589 2019-01-10 Tamar Christina <tamar.christina@arm.com>
5591 * config/aarch64/aarch64-builtins.c
5592 (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
5593 (aarch64_init_simd_builtins): ...Here
5595 2019-01-10 Vladimir Makarov <vmakarov@redhat.com>
5597 PR rtl-optimization/87305
5599 (setup_live_pseudos_and_spill_after_risky_transforms): Check
5600 allocation for big endian pseudos used as paradoxical subregs and
5601 spill them if it is wrong.
5602 * lra-constraints.c (lra_constraints): Add a comment.
5604 2019-01-10 Richard Biener <rguenther@suse.de>
5606 PR tree-optimization/88792
5607 * tree-ssa-pre.c (get_representative_for): Do not return a
5610 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5614 * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
5615 (assign_parm_setup_block): Do the argument slot realignment here
5618 2019-01-10 Stefan Agner <stefan@agner.ch>
5621 * config/arm/arm.c (arm_option_override_internal): Force
5622 opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
5624 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5627 * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
5630 2019-01-10 Tamar Christina <tamar.christina@arm.com>
5632 * config/arm/arm-builtins.c
5633 (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
5634 (MAC_LANE_PAIR_QUALIFIERS): New.
5635 (arm_expand_builtin_args): Use it.
5636 (arm_expand_builtin_1): Likewise.
5637 * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
5638 * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
5639 * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
5640 * config/arm/arm_neon.h:
5641 (vcadd_rot90_f16): New.
5642 (vcaddq_rot90_f16): New.
5643 (vcadd_rot270_f16): New.
5644 (vcaddq_rot270_f16): New.
5647 (vcmla_lane_f16): New.
5648 (vcmla_laneq_f16): New.
5649 (vcmlaq_lane_f16): New.
5650 (vcmlaq_laneq_f16): New.
5651 (vcmla_rot90_f16): New.
5652 (vcmlaq_rot90_f16): New.
5653 (vcmla_rot90_lane_f16): New.
5654 (vcmla_rot90_laneq_f16): New.
5655 (vcmlaq_rot90_lane_f16): New.
5656 (vcmlaq_rot90_laneq_f16): New.
5657 (vcmla_rot180_f16): New.
5658 (vcmlaq_rot180_f16): New.
5659 (vcmla_rot180_lane_f16): New.
5660 (vcmla_rot180_laneq_f16): New.
5661 (vcmlaq_rot180_lane_f16): New.
5662 (vcmlaq_rot180_laneq_f16): New.
5663 (vcmla_rot270_f16): New.
5664 (vcmlaq_rot270_f16): New.
5665 (vcmla_rot270_lane_f16): New.
5666 (vcmla_rot270_laneq_f16): New.
5667 (vcmlaq_rot270_lane_f16): New.
5668 (vcmlaq_rot270_laneq_f16): New.
5669 (vcadd_rot90_f32): New.
5670 (vcaddq_rot90_f32): New.
5671 (vcadd_rot270_f32): New.
5672 (vcaddq_rot270_f32): New.
5675 (vcmla_lane_f32): New.
5676 (vcmla_laneq_f32): New.
5677 (vcmlaq_lane_f32): New.
5678 (vcmlaq_laneq_f32): New.
5679 (vcmla_rot90_f32): New.
5680 (vcmlaq_rot90_f32): New.
5681 (vcmla_rot90_lane_f32): New.
5682 (vcmla_rot90_laneq_f32): New.
5683 (vcmlaq_rot90_lane_f32): New.
5684 (vcmlaq_rot90_laneq_f32): New.
5685 (vcmla_rot180_f32): New.
5686 (vcmlaq_rot180_f32): New.
5687 (vcmla_rot180_lane_f32): New.
5688 (vcmla_rot180_laneq_f32): New.
5689 (vcmlaq_rot180_lane_f32): New.
5690 (vcmlaq_rot180_laneq_f32): New.
5691 (vcmla_rot270_f32): New.
5692 (vcmlaq_rot270_f32): New.
5693 (vcmla_rot270_lane_f32): New.
5694 (vcmla_rot270_laneq_f32): New.
5695 (vcmlaq_rot270_lane_f32): New.
5696 (vcmlaq_rot270_laneq_f32): New.
5697 * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
5698 vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
5699 vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
5700 vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
5701 vcmlaq_lane270): New.
5702 * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
5703 neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
5704 * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
5705 * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
5706 (arm_option_reconfigure_globals): Use them.
5707 * config/arm/iterators.md (VDF, VQ_HSF): New.
5708 (VCADD, VCMLA): New.
5709 (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
5710 * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
5712 * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
5713 UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
5715 2019-01-10 Tamar Christina <tamar.christina@arm.com>
5717 * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
5718 Add qualifier_lane_pair_index.
5719 (emit-rtl.h): Include.
5720 (TYPES_QUADOP_LANE_PAIR): New.
5721 (aarch64_simd_expand_args): Use it.
5722 (aarch64_simd_expand_builtin): Likewise.
5723 (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
5725 (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
5726 AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
5727 aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
5728 (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
5729 (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
5730 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
5731 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
5732 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
5733 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
5734 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
5735 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
5736 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
5737 * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
5738 * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
5739 Add __ARM_FEATURE_COMPLEX.
5740 * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
5741 fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
5742 fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
5743 fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
5744 fcmlaq_lane270): New.
5745 * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
5746 aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
5747 aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
5748 * config/aarch64/arm_neon.h:
5749 (vcadd_rot90_f16): New.
5750 (vcaddq_rot90_f16): New.
5751 (vcadd_rot270_f16): New.
5752 (vcaddq_rot270_f16): New.
5755 (vcmla_lane_f16): New.
5756 (vcmla_laneq_f16): New.
5757 (vcmlaq_lane_f16): New.
5758 (vcmlaq_rot90_lane_f16): New.
5759 (vcmla_rot90_laneq_f16): New.
5760 (vcmla_rot90_lane_f16): New.
5761 (vcmlaq_rot90_f16): New.
5762 (vcmla_rot90_f16): New.
5763 (vcmlaq_laneq_f16): New.
5764 (vcmla_rot180_laneq_f16): New.
5765 (vcmla_rot180_lane_f16): New.
5766 (vcmlaq_rot180_f16): New.
5767 (vcmla_rot180_f16): New.
5768 (vcmlaq_rot90_laneq_f16): New.
5769 (vcmlaq_rot270_laneq_f16): New.
5770 (vcmlaq_rot270_lane_f16): New.
5771 (vcmla_rot270_laneq_f16): New.
5772 (vcmlaq_rot270_f16): New.
5773 (vcmla_rot270_f16): New.
5774 (vcmlaq_rot180_laneq_f16): New.
5775 (vcmlaq_rot180_lane_f16): New.
5776 (vcmla_rot270_lane_f16): New.
5777 (vcadd_rot90_f32): New.
5778 (vcaddq_rot90_f32): New.
5779 (vcaddq_rot90_f64): New.
5780 (vcadd_rot270_f32): New.
5781 (vcaddq_rot270_f32): New.
5782 (vcaddq_rot270_f64): New.
5786 (vcmla_lane_f32): New.
5787 (vcmla_laneq_f32): New.
5788 (vcmlaq_lane_f32): New.
5789 (vcmlaq_laneq_f32): New.
5790 (vcmla_rot90_f32): New.
5791 (vcmlaq_rot90_f32): New.
5792 (vcmlaq_rot90_f64): New.
5793 (vcmla_rot90_lane_f32): New.
5794 (vcmla_rot90_laneq_f32): New.
5795 (vcmlaq_rot90_lane_f32): New.
5796 (vcmlaq_rot90_laneq_f32): New.
5797 (vcmla_rot180_f32): New.
5798 (vcmlaq_rot180_f32): New.
5799 (vcmlaq_rot180_f64): New.
5800 (vcmla_rot180_lane_f32): New.
5801 (vcmla_rot180_laneq_f32): New.
5802 (vcmlaq_rot180_lane_f32): New.
5803 (vcmlaq_rot180_laneq_f32): New.
5804 (vcmla_rot270_f32): New.
5805 (vcmlaq_rot270_f32): New.
5806 (vcmlaq_rot270_f64): New.
5807 (vcmla_rot270_lane_f32): New.
5808 (vcmla_rot270_laneq_f32): New.
5809 (vcmlaq_rot270_lane_f32): New.
5810 (vcmlaq_rot270_laneq_f32): New.
5811 * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
5812 * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
5813 UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
5814 (FCADD, FCMLA): New.
5816 * config/arm/types.md (neon_fcadd, neon_fcmla): New.
5818 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5822 * config/pa/pa.c: Change "can not" to "cannot".
5823 * gimple-ssa-evrp-analyze.c: Likewise.
5824 * ipa-icf.c: Likewise.
5825 * ipa-polymorphic-call.c: Likewise.
5826 * ipa-pure-const.c: Likewise.
5827 * lra-constraints.c: Likewise.
5828 * lra-remat.c: Likewise.
5829 * reload1.c: Likewise.
5830 * reorg.c: Likewise.
5831 * tree-ssa-uninit.c: Likewise.
5833 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5837 * Makefile.in: Mechanically replace "can not" with "cannot".
5838 * alias.c: Likewise.
5839 * builtins.c: Likewise.
5840 * calls.c: Likewise.
5841 * cgraph.c: Likewise.
5842 * cgraph.h: Likewise.
5843 * cgraphclones.c: Likewise.
5844 * cgraphunit.c: Likewise.
5845 * combine-stack-adj.c: Likewise.
5846 * combine.c: Likewise.
5847 * common/config/i386/i386-common.c: Likewise.
5848 * config/aarch64/aarch64.c: Likewise.
5849 * config/alpha/sync.md: Likewise.
5850 * config/arc/arc.c: Likewise.
5851 * config/arc/predicates.md: Likewise.
5852 * config/arm/arm-c.c: Likewise.
5853 * config/arm/arm.c: Likewise.
5854 * config/arm/arm.h: Likewise.
5855 * config/arm/arm.md: Likewise.
5856 * config/arm/cortex-r4f.md: Likewise.
5857 * config/csky/csky.c: Likewise.
5858 * config/csky/csky.h: Likewise.
5859 * config/darwin-f.c: Likewise.
5860 * config/epiphany/epiphany.md: Likewise.
5861 * config/i386/i386.c: Likewise.
5862 * config/i386/sol2.h: Likewise.
5863 * config/m68k/m68k.c: Likewise.
5864 * config/mcore/mcore.h: Likewise.
5865 * config/microblaze/microblaze.md: Likewise.
5866 * config/mips/20kc.md: Likewise.
5867 * config/mips/sb1.md: Likewise.
5868 * config/nds32/nds32.c: Likewise.
5869 * config/nds32/predicates.md: Likewise.
5870 * config/pa/pa.c: Likewise.
5871 * config/rs6000/e300c2c3.md: Likewise.
5872 * config/rs6000/rs6000.c: Likewise.
5873 * config/s390/s390.h: Likewise.
5874 * config/sh/sh.c: Likewise.
5875 * config/sh/sh.md: Likewise.
5876 * config/spu/vmx2spu.h: Likewise.
5877 * cprop.c: Likewise.
5878 * dbxout.c: Likewise.
5879 * df-scan.c: Likewise.
5880 * doc/cfg.texi: Likewise.
5881 * doc/extend.texi: Likewise.
5882 * doc/fragments.texi: Likewise.
5883 * doc/gty.texi: Likewise.
5884 * doc/invoke.texi: Likewise.
5885 * doc/lto.texi: Likewise.
5886 * doc/md.texi: Likewise.
5887 * doc/objc.texi: Likewise.
5888 * doc/rtl.texi: Likewise.
5889 * doc/tm.texi: Likewise.
5891 * emit-rtl.c: Likewise.
5892 * emit-rtl.h: Likewise.
5893 * except.c: Likewise.
5894 * expmed.c: Likewise.
5896 * fold-const.c: Likewise.
5897 * genautomata.c: Likewise.
5898 * gimple-fold.c: Likewise.
5899 * hard-reg-set.h: Likewise.
5900 * ifcvt.c: Likewise.
5901 * ipa-comdats.c: Likewise.
5902 * ipa-cp.c: Likewise.
5903 * ipa-devirt.c: Likewise.
5904 * ipa-fnsummary.c: Likewise.
5905 * ipa-icf.c: Likewise.
5906 * ipa-inline-transform.c: Likewise.
5907 * ipa-inline.c: Likewise.
5908 * ipa-polymorphic-call.c: Likewise.
5909 * ipa-profile.c: Likewise.
5910 * ipa-prop.c: Likewise.
5911 * ipa-pure-const.c: Likewise.
5912 * ipa-reference.c: Likewise.
5913 * ipa-split.c: Likewise.
5914 * ipa-visibility.c: Likewise.
5916 * ira-build.c: Likewise.
5917 * ira-color.c: Likewise.
5918 * ira-conflicts.c: Likewise.
5919 * ira-costs.c: Likewise.
5920 * ira-int.h: Likewise.
5921 * ira-lives.c: Likewise.
5924 * loop-invariant.c: Likewise.
5925 * loop-unroll.c: Likewise.
5926 * lower-subreg.c: Likewise.
5927 * lra-assigns.c: Likewise.
5928 * lra-constraints.c: Likewise.
5929 * lra-eliminations.c: Likewise.
5930 * lra-lives.c: Likewise.
5931 * lra-remat.c: Likewise.
5932 * lra-spills.c: Likewise.
5934 * lto-cgraph.c: Likewise.
5935 * lto-streamer-out.c: Likewise.
5936 * postreload-gcse.c: Likewise.
5937 * predict.c: Likewise.
5938 * profile-count.h: Likewise.
5939 * profile.c: Likewise.
5940 * recog.c: Likewise.
5942 * reload.c: Likewise.
5943 * reload1.c: Likewise.
5944 * reorg.c: Likewise.
5945 * resource.c: Likewise.
5946 * rtl.def: Likewise.
5948 * rtlanal.c: Likewise.
5949 * sched-deps.c: Likewise.
5950 * sched-ebb.c: Likewise.
5951 * sched-rgn.c: Likewise.
5952 * sel-sched-ir.c: Likewise.
5953 * sel-sched.c: Likewise.
5954 * shrink-wrap.c: Likewise.
5955 * simplify-rtx.c: Likewise.
5956 * symtab.c: Likewise.
5957 * target.def: Likewise.
5958 * toplev.c: Likewise.
5959 * tree-call-cdce.c: Likewise.
5960 * tree-cfg.c: Likewise.
5961 * tree-complex.c: Likewise.
5962 * tree-core.h: Likewise.
5963 * tree-eh.c: Likewise.
5964 * tree-inline.c: Likewise.
5965 * tree-loop-distribution.c: Likewise.
5966 * tree-nrv.c: Likewise.
5967 * tree-profile.c: Likewise.
5968 * tree-sra.c: Likewise.
5969 * tree-ssa-alias.c: Likewise.
5970 * tree-ssa-dce.c: Likewise.
5971 * tree-ssa-dom.c: Likewise.
5972 * tree-ssa-forwprop.c: Likewise.
5973 * tree-ssa-loop-im.c: Likewise.
5974 * tree-ssa-loop-ivcanon.c: Likewise.
5975 * tree-ssa-loop-ivopts.c: Likewise.
5976 * tree-ssa-loop-niter.c: Likewise.
5977 * tree-ssa-phionlycprop.c: Likewise.
5978 * tree-ssa-phiopt.c: Likewise.
5979 * tree-ssa-propagate.c: Likewise.
5980 * tree-ssa-threadedge.c: Likewise.
5981 * tree-ssa-threadupdate.c: Likewise.
5982 * tree-ssa-uninit.c: Likewise.
5983 * tree-ssanames.c: Likewise.
5984 * tree-streamer-out.c: Likewise.
5987 * vr-values.c: Likewise.
5989 2019-01-09 Uroš Bizjak <ubizjak@gmail.com>
5991 * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
5992 (ix86_split_xorsign): Ditto.
5993 * config/i386/i386.c (ix86_expand_xorsign): New function.
5994 (ix86_split_xorsign): Ditto.
5995 * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
5996 (xorsign<mode>3): New expander.
5997 (xorsign<mode>3_1): New insn_and_split pattern.
5998 * config/i386/sse.md (xorsign<mode>3): New expander.
6000 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
6002 * config/sparc/sparc.md (*tablejump_sp32): Merge into...
6003 (*tablejump_sp64): Likewise.
6004 (*tablejump<P:mode>): ...this.
6005 (*call_address_sp32): Merge into...
6006 (*call_address_sp64): Likewise.
6007 (*call_address<P:mode>): ...this.
6008 (*call_symbolic_sp32): Merge into...
6009 (*call_symbolic_sp64): Likewise.
6010 (*call_symbolic<P:mode>): ...this.
6011 (call_value): Remove constraint and add predicate.
6012 (*call_value_address_sp32): Merge into...
6013 (*call_value_address_sp64): Likewise.
6014 (*call_value_address<P:mode>): ...this.
6015 (*call_value_symbolic_sp32): Merge into...
6016 (*call_value_symbolic_sp64): Likewise.
6017 (*call_value_symbolic<P:mode>): ...this.
6018 (*sibcall_symbolic_sp32): Merge into...
6019 (*sibcall_symbolic_sp64): Likewise.
6020 (*sibcall_symbolic<P:mode>): ...this.
6021 (sibcall_value): Remove constraint and add predicate.
6022 (*sibcall_value_symbolic_sp32): Merge into...
6023 (*sibcall_value_symbolic_sp64): Likewise.
6024 (*sibcall_value_symbolic<P:mode>): ...this.
6025 (window_save): Minor tweak.
6026 (*branch_sp32): Merge into...
6027 (*branch_sp64): Likewise.
6028 (*branch<P:mode>): ...this.
6030 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
6031 James Clarke <jrtc27@jrtc27.com>
6034 * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
6035 consistently in TLS address generation and adjust code to the renaming
6036 of patterns. Mark calls to __tls_get_addr as const.
6037 * config/sparc/sparc.md (tgd_hi22): Turn into...
6038 (tgd_hi22<P:mode>): ...this and use Pmode throughout.
6039 (tgd_lo10): Turn into...
6040 (tgd_lo10<P:mode>): ...this and use Pmode throughout.
6041 (tgd_add32): Merge into...
6042 (tgd_add64): Likewise.
6043 (tgd_add<P:mode>): ...this and use Pmode throughout.
6044 (tldm_hi22): Turn into...
6045 (tldm_hi22<P:mode>): ...this and use Pmode throughout.
6046 (tldm_lo10): Turn into...
6047 (tldm_lo10<P:mode>): ...this and use Pmode throughout.
6048 (tldm_add32): Merge into...
6049 (tldm_add64): Likewise.
6050 (tldm_add<P:mode>): ...this and use Pmode throughout.
6051 (tldm_call32): Merge into...
6052 (tldm_call64): Likewise.
6053 (tldm_call<P:mode>): ...this and use Pmode throughout.
6054 (tldo_hix22): Turn into...
6055 (tldo_hix22<P:mode>): ...this and use Pmode throughout.
6056 (tldo_lox10): Turn into...
6057 (tldo_lox10<P:mode>): ...this and use Pmode throughout.
6058 (tldo_add32): Merge into...
6059 (tldo_add64): Likewise.
6060 (tldo_add<P:mode>): ...this and use Pmode throughout.
6061 (tie_hi22): Turn into...
6062 (tie_hi22<P:mode>): ...this and use Pmode throughout.
6063 (tie_lo10): Turn into...
6064 (tie_lo10<P:mode>): ...this and use Pmode throughout.
6065 (tie_ld64): Use DImode throughout.
6066 (tie_add32): Merge into...
6067 (tie_add64): Likewise.
6068 (tie_add<P:mode>): ...this and use Pmode throughout.
6069 (tle_hix22_sp32): Merge into...
6070 (tle_hix22_sp64): Likewise.
6071 (tle_hix22<P:mode>): ...this and use Pmode throughout.
6072 (tle_lox22_sp32): Merge into...
6073 (tle_lox22_sp64): Likewise.
6074 (tle_lox22<P:mode>): ...this and use Pmode throughout.
6075 (*tldo_ldub_sp32): Merge into...
6076 (*tldo_ldub_sp64): Likewise.
6077 (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
6078 (*tldo_ldub1_sp32): Merge into...
6079 (*tldo_ldub1_sp64): Likewise.
6080 (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
6081 (*tldo_ldub2_sp32): Merge into...
6082 (*tldo_ldub2_sp64): Likewise.
6083 (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
6084 (*tldo_ldsb1_sp32): Merge into...
6085 (*tldo_ldsb1_sp64): Likewise.
6086 (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
6087 (*tldo_ldsb2_sp32): Merge into...
6088 (*tldo_ldsb2_sp64): Likewise.
6089 (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
6090 (*tldo_ldub3_sp64): Use DImode throughout.
6091 (*tldo_ldsb3_sp64): Likewise.
6092 (*tldo_lduh_sp32): Merge into...
6093 (*tldo_lduh_sp64): Likewise.
6094 (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
6095 (*tldo_lduh1_sp32): Merge into...
6096 (*tldo_lduh1_sp64): Likewise.
6097 (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
6098 (*tldo_ldsh1_sp32): Merge into...
6099 (*tldo_ldsh1_sp64): Likewise.
6100 (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
6101 (*tldo_lduh2_sp64): Use DImode throughout.
6102 (*tldo_ldsh2_sp64): Likewise.
6103 (*tldo_lduw_sp32): Merge into...
6104 (*tldo_lduw_sp64): Likewise.
6105 (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
6106 (*tldo_lduw1_sp64): Use DImode throughout.
6107 (*tldo_ldsw1_sp64): Likewise.
6108 (*tldo_ldx_sp64): Likewise.
6109 (*tldo_stb_sp32): Merge into...
6110 (*tldo_stb_sp64): Likewise.
6111 (*tldo_stb<P:mode>): ...this and use Pmode throughout.
6112 (*tldo_sth_sp32): Merge into...
6113 (*tldo_sth_sp64): Likewise.
6114 (*tldo_sth<P:mode>): ...this and use Pmode throughout.
6115 (*tldo_stw_sp32): Merge into...
6116 (*tldo_stw_sp64): Likewise.
6117 (*tldo_stw<P:mode>): ...this and use Pmode throughout.
6118 (*tldo_stx_sp64): Use DImode throughout.
6120 2018-01-09 Sudakshina Das <sudi.das@arm.com>
6122 * config/aarch64/aarch64.c (aarch64_override_options): Add case to
6123 check configure option to set BTI and Return Address Signing.
6124 * configure.ac: Add --enable-standard-branch-protection and
6125 --disable-standard-branch-protection.
6126 * configure: Regenerated.
6127 * doc/install.texi: Document the same.
6129 2018-01-09 Sudakshina Das <sudi.das@arm.com>
6130 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6132 * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
6133 * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
6134 * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
6136 * config/aarch64/aarch64-bti-insert.c: New file.
6137 * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
6139 * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
6141 * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
6142 UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
6143 (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
6144 * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
6146 2018-01-09 Sudakshina Das <sudi.das@arm.com>
6148 * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
6149 * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
6150 Disable bti for -mbranch-protection=none.
6151 (aarch64_handle_standard_branch_protection): Enable bti for
6152 -mbranch-protection=standard.
6153 (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
6154 -mbranch-protection.
6155 (aarch64_bti_enabled): Check if bti is enabled.
6156 * config/aarch64/aarch64.opt: Declare target variable.
6157 * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
6159 2018-01-09 Sudakshina Das <sudi.das@arm.com>
6161 * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
6162 epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
6163 (aarch64_expand_epilogue): Likewise.
6164 (aarch64_output_mi_thunk): Likewise
6165 * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
6166 TAILCALL_ADDR_REGS to x16 and x17.
6167 * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
6169 2018-01-09 Sudakshina Das <sudi.das@arm.com>
6171 * config/aarch64/aarch64-option-extensions.def: Define
6172 AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
6173 * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
6174 (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
6175 (AARCH64_FL_PREDRES): New.
6176 (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
6177 AARCH64_FL_PREDRES by default.
6178 * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
6180 2018-01-09 Sudakshina Das <sudi.das@arm.com>
6182 * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
6184 * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
6185 (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
6186 * doc/invoke.texi: Document ARMv8.5-A.
6188 2019-01-09 Alejandro Martinez <alejandro.martinezvicente@arm.com>
6190 * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
6191 (xorsign<mode>3): Likewise.
6193 2019-01-09 Jelinek <jakub@redhat.com>
6196 * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
6197 vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
6199 PR rtl-optimization/88331
6200 * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
6201 not currently_expanding_to_rtl.
6203 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
6205 * doc/invoke.texi (-Os): Remove trailing spaces.
6206 (-finline-functions): Remove reference to -O2.
6208 2019-01-08 Jakub Jelinek <jakub@redhat.com>
6210 PR rtl-optimization/79593
6211 * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
6213 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
6214 UNSPEC_FUSION_GPR to its argument. Formatting fixes.
6216 2019-01-08 Eric Botcazou <ebotcazou@adacore.com>
6219 * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
6223 * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
6224 UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
6226 2019-01-08 H.J. Lu <hongjiu.lu@intel.com>
6229 * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
6230 ix86_avx_u128_mode_entry.
6232 2019-01-08 Martin Liska <mliska@suse.cz>
6234 PR tree-optimization/88753
6235 * tree-switch-conversion.c (switch_conversion::build_one_array):
6236 Come up with local variable constructor. Convert first to
6237 type of constructor values.
6239 2019-01-08 Richard Biener <rguenther@suse.de>
6241 PR tree-optimization/86554
6242 * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
6243 rpo_avail): Move earlier.
6244 (visit_nary_op): When value-numbering to expressions
6245 with different overflow behavior make sure there's an
6246 available expression on the path.
6248 2019-01-08 Sam Tebbs <sam.tebbs@arm.com>
6250 * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
6251 aarch64_parse_branch_protection,
6252 struct aarch64_branch_protect_type,
6253 aarch64_handle_no_branch_protection,
6254 aarch64_handle_standard_branch_protection,
6255 aarch64_validate_mbranch_protection,
6256 aarch64_handle_pac_ret_protection,
6257 aarch64_handle_attr_branch_protection,
6258 accepted_branch_protection_string,
6259 aarch64_pac_ret_subtypes,
6260 aarch64_branch_protect_types,
6261 aarch64_handle_pac_ret_leaf): Define.
6262 (aarch64_override_options_after_change_1, aarch64_override_options):
6263 Add check for accepted_branch_protection_string.
6264 (aarch64_option_save): Save accepted_branch_protection_string.
6265 (aarch64_option_restore): Save accepted_branch_protection_string.
6266 * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
6267 * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
6268 msign-return-address.
6269 * doc/invoke.texi: Add mbranch-protection.
6271 2019-01-08 Alan Modra <amodra@gmail.com>
6274 * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
6275 Delete "unknownp" parameter. Adjust callers. Handle
6276 CONST_INT, PLUS, MINUS, and MULT.
6277 (attr_value_aligned): Renamed from or_attr_value.
6278 (min_attr_value): Return INT_MIN for unhandled rtl case..
6279 (min_fn): ..and translate to INT_MAX here.
6280 (write_length_unit_log): Modify to cope without "unknown".
6281 (write_attr_value): Handle IF_THEN_ELSE.
6283 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
6285 * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
6286 optimization for masked stores.
6288 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
6291 * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
6292 output vector directly to duplicate_and_interleave instead of
6293 going through a temporary. Postpone insertion of ctor_seq to
6294 the end of the loop.
6296 2019-01-07 Richard Earnshaw <rearnsha@arm.com>
6299 * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
6300 unsigned_p. Handle signed and unsigned overflow correction as
6302 * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
6304 * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
6306 (add<mode>3_compareV_imm): Make this callable for expanding.
6307 (subv<GPI:mode>4): Use register_operand for operand 1. Use
6308 aarch64_plus_operand for operand 2.
6309 (subv<GPI:mode>_insn): New insn pattern.
6310 (subv<GPI:mode>_imm): Likewise.
6311 (negv<GPI:mode>3): New expand pattern.
6312 (negv<GPI:mode>_insn): New insn pattern.
6313 (negv<GPI:mode>_cmp_only): Likewise.
6314 (cmpv<GPI:mode>_insn): Likewise.
6315 (subvti4): Use register_operand for operand 1. Update call to
6316 aarch64_expand_subvti.
6317 (usubvti4): Likewise.
6318 (negvti3): New expand pattern.
6319 (negdi_carryout): New insn pattern.
6320 (negvdi_carryinV): New insn pattern.
6321 (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
6322 version the named version.
6323 (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
6325 (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
6327 (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
6329 (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
6330 (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
6331 (sub<mode>3_carryinCV): Delete.
6332 (sub<GPI:mode>3_carryinV): New expand pattern.
6333 sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
6335 2019-01-07 Richard Biener <rguenther@suse.de>
6337 * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
6338 of tree_operand_hash.
6340 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
6342 PR tree-optimization/88598
6343 * tree.h (single_nonzero_element): Declare.
6344 * tree.c (single_nonzero_element): New function.
6345 * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
6346 if I is the only nonzero element of CST.
6348 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
6350 PR tree-optimization/88598
6351 * tree.h (initializer_each_zero_or_onep): Declare.
6352 * tree.c (initializer_each_zero_or_onep): New function.
6353 (signed_or_unsigned_type_for): Handle float types too.
6354 (unsigned_type_for, signed_type_for): Update comments accordingly.
6355 * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
6356 x & { 0 or -1, 0 or -1, ... }.
6358 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
6360 * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
6361 with x86_64-pc-linux-gnu.
6363 2019-01-07 Tom de Vries <tdevries@suse.de>
6366 * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
6368 (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
6371 2019-01-07 Jakub Jelinek <jakub@redhat.com>
6373 * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
6374 V_256_512 iterator instead of V_512 and TARGET_AVX instead of
6375 TARGET_AVX512F as condition.
6378 * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
6379 const_not_ok_for_debug_p target hook.
6380 (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
6381 on UNSPEC and subexpressions thereof if all subexpressions of the
6382 UNSPEC are CONSTANT_P.
6384 PR tree-optimization/88676
6385 * tree-ssa-phiopt.c (two_value_replacement): New function.
6386 (tree_ssa_phiopt_worker): Call it.
6389 * cfgexpand.c (expand_stack_vars): Only align prev_offset to
6390 ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
6393 * tree-vect-generic.c: Include insn-config.h and recog.h.
6394 (expand_vector_piecewise): Add defaulted ret_type argument,
6395 if non-NULL, use that in preference to type for the result type.
6396 (expand_vector_parallel): Formatting fix.
6397 (do_vec_conversion, do_vec_narrowing_conversion,
6398 expand_vector_conversion): New functions.
6399 (expand_vector_operations_1): Call expand_vector_conversion
6400 for VEC_CONVERT ifn calls.
6401 * internal-fn.def (VEC_CONVERT): New internal function.
6402 * internal-fn.c (expand_VEC_CONVERT): New function.
6403 * fold-const-call.c (fold_const_vec_convert): New function.
6404 (fold_const_call): Use it for CFN_VEC_CONVERT.
6405 * doc/extend.texi (__builtin_convertvector): Document.
6407 2019-01-07 Tom de Vries <tdevries@suse.de>
6409 * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
6410 * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
6411 vector_red_partition, vector_red_sym): New global variables.
6412 (nvptx_option_override): Initialize vector_red_sym.
6413 (nvptx_declare_function_name): Restore red_partition register.
6414 (nvptx_file_end): Emit code to declare the vector reduction variables.
6415 (nvptx_output_red_partition): New function.
6416 (nvptx_expand_shared_addr): Add vector argument. Use it to handle
6417 large vector reductions.
6418 (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
6419 (nvptx_init_builtins): Add VECTOR_ADDR.
6420 (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
6421 Handle nvptx_expand_shared_addr.
6422 (nvptx_get_shared_red_addr): Add vector argument and handle large
6424 (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
6426 (nvptx_goacc_reduction_init): Likewise.
6427 (nvptx_goacc_reduction_fini): Likewise.
6428 (nvptx_goacc_reduction_teardown): Likewise.
6429 (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
6430 init,fini,teardown}.
6431 (nvptx_init_axis_predicate): Initialize vector_red_partition.
6432 (nvptx_set_current_function): Init vector_red_partition.
6433 * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
6434 (nvptx_red_partition): New insn.
6435 * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
6437 2019-01-07 Tom de Vries <tdevries@suse.de>
6440 * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
6443 2019-01-07 Tom de Vries <tdevries@suse.de>
6445 * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
6446 (nvptx_option_override): Init oacc_bcast_partition.
6447 (nvptx_init_oacc_workers): New function.
6448 (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
6449 (nvptx_needs_shared_bcast): New function.
6450 (nvptx_find_par): Generalize to enable vectors to use shared-memory
6452 (nvptx_shared_propagate): Initialize vector bcast partition and
6453 synchronization state.
6454 (nvptx_single): Generalize to enable vectors to use shared-memory
6456 (nvptx_process_pars): Likewise.
6457 (nvptx_set_current_function): Initialize oacc_broadcast_partition.
6458 * config/nvptx/nvptx.h (struct machine_function): Add
6459 bcast_partition and sync_bar members.
6461 2019-01-07 Tom de Vries <tdevries@suse.de>
6463 * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
6464 (nvptx_apply_dim_limits): New function.
6465 (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
6468 2019-01-07 Tom de Vries <tdevries@suse.de>
6470 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
6471 as late as possible.
6473 2019-01-07 Tom de Vries <tdevries@suse.de>
6475 * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
6476 (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
6477 (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
6478 (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
6479 PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
6481 2019-01-07 Tom de Vries <tdevries@suse.de>
6483 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
6485 2019-01-07 Tom de Vries <tdevries@suse.de>
6487 * omp-offload.c (oacc_get_min_dim): New function.
6488 * omp-offload.h (oacc_get_min_dim): Declare.
6490 2018-12-26 Mateusz B <mateuszb@poczta.onet.pl>
6493 * config/i386/i386.c (function_value_ms_64): Return small sturct in
6494 AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
6496 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
6500 2017-05-22 Jan Hubicka <hubicka@ucw.cz>
6502 * ipa-inline.c (edge_badness): Use inlined_time instead of
6503 inline_summaries->get.
6505 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
6507 * opts.c (enable_fdo_optimizations): Enable
6508 version-loops-for-strides, loop-interchange, unrol-and-jam
6509 and tree-loop-distribution.
6510 * invoke.texi: Document newly enabled options.
6512 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
6514 * doc/invoke.texi (max-inline-insns-small): New parameters.
6515 * ipa-inline.c (want_early_inline_function_p): simplify.
6516 (want_inline_small_function_p): Fix pasto from previous patch;
6517 use max-inline-insns-small bound.
6518 * params.def (max-inline-insns-small): New param.
6519 * ipa-fnsummary.c (analyze_function_body): Initialize time/size
6520 variables correctly.
6522 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
6524 * doc/invoke.texi: Document max-inline-insns-size,
6525 uninlined-function-insns, uninlined-function-time,
6526 uninlined-thunk-insns and uninlined-thunk-time.
6527 * params.def: Add max-inline-insns-size,
6528 uninlined-function-insns, uninlined-function-time,
6529 uninlined-thunk-insns and uninlined-thunk-time.
6530 * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
6532 * ipa-inline.c (can_inline_edge_by_limits_p,
6533 want_inline_small_function_p): Use new parameters.
6535 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
6537 * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
6539 2019-01-05 Jakub Jelinek <jakub@redhat.com>
6543 * expr.c (expand_assignment): For calls returning VLA structures
6544 if to_rtx is not a MEM, force it into a stack temporary.
6547 * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
6548 SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
6549 Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
6550 subexpressions of both operands.
6551 (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
6552 subrtxes are CONSTANT_P.
6553 * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
6556 2019-01-04 Jan Hubicka <hubicka@ucw.cz>
6558 * params.def (hot-bb-count-ws-permille): Set to 990.
6560 2019-01-04 Martin Sebor <msebor@redhat.com>
6563 * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
6566 2019-01-04 Martin Sebor <msebor@redhat.com>
6569 * doc/extend.texi (attribute alloc_align, alloc_size): Update.
6571 2019-01-04 Jakub Jelinek <jakub@redhat.com>
6573 * gdbinit.in: Turn off pagination for the skip commands, restore
6574 it to previous state afterwards.
6576 2019-01-04 Jakub Jelinek <jakub@redhat.com>
6579 * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
6580 of GET_MODE (opN) as modes of the libcall arguments.
6582 2019-01-04 Jan Beulich <jbeulich@suse.com>
6584 * config/i386/sse.md
6585 (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
6586 <avx512>_cmp<mode>3<mask_scalar_merge_name>,
6587 <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
6588 <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
6589 avx512f_vmcmp<mode>3<round_saeonly_name>,
6590 avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
6591 avx512f_maskcmp<mode>3,
6592 <avx512>_cvt<ssemodesuffix>2mask<mode>,
6593 <avx512>_cvt<ssemodesuffix>2mask<mode>,
6594 *<avx512>_cvtmask2<ssemodesuffix><mode>,
6595 *<avx512>_cvtmask2<ssemodesuffix><mode>,
6596 <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
6597 <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
6598 <avx512>_gt<mode>3<mask_scalar_merge_name>,
6599 <avx512>_gt<mode>3<mask_scalar_merge_name>,
6600 <avx512>_testm<mode>3<mask_scalar_merge_name>,
6601 <avx512>_testnm<mode>3<mask_scalar_merge_name>,
6602 *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
6603 *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
6604 *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
6605 *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
6606 avx512cd_maskb_vec_dup<mode>,
6607 avx512cd_maskw_vec_dup<mode>,
6608 avx512dq_fpclass<mode><mask_scalar_merge_name>,
6609 avx512dq_vmfpclass<mode>,
6610 avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
6613 2019-01-03 Martin Sebor <msebor@redhat.com>
6615 PR tree-optimization/88659
6616 * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
6618 2019-01-03 Aaron Sawdey <acsawdey@linux.ibm.com>
6620 * config/rs6000/rs6000-string.c (expand_block_move): Don't use
6621 unaligned vsx and avoid lxvd2x/stxvd2x.
6622 (gen_lvx_v4si_move): New function.
6624 2019-01-03 Tom de Vries <tdevries@suse.de>
6626 * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
6627 (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
6629 * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
6631 2019-01-03 Tom de Vries <tdevries@suse.de>
6633 * config/nvptx/nvptx.c (struct offload_attrs): New.
6634 (populate_offload_attrs): New function. Factor mask extraction out of
6635 nvptx_reorg. Add extraction of dimensions.
6636 (nvptx_reorg): Use populate_offload_attrs.
6638 2019-01-03 Tom de Vries <tdevries@suse.de>
6640 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
6641 cases for oacc_min_dims_p and routine_p. Add asserts for
6642 oacc_default_dims_p and offload_region_p.
6644 2019-01-03 Tom de Vries <tdevries@suse.de>
6646 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
6648 (nvptx_goacc_validate_dims): ... here.
6650 2019-01-03 Jan Hubicka <hubicka@ucw.cz>
6652 PR tree-optimization/85574
6653 * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
6655 (struct ssa_equip_hash_traits): Declare.
6656 (val_ssa_equiv): Use custom hash traits using operand_equal_p.
6658 2019-01-03 Jakub Jelinek <jakub@redhat.com>
6661 * dwarf2out.c (modified_type_die): If type is equal to sizetype,
6662 change it to qualified_type.
6664 2019-01-03 Jan Hubicka <hubicka@ucw.cz>
6666 * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
6667 (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
6669 2019-01-02 Martin Sebor <msebor@redhat.com>
6670 Jeff Law <law@redhat.com>
6672 * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
6673 (get_range_strlen_tree): Update appropriately.
6675 * gimple-fold.h (get_range_strlen): Drop unused last argument.
6677 * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
6678 rather than set_range_info.
6679 * tree-ssa-strlen.c (set_strlen_range): Extracted from
6680 maybe_set_strlen_range. Handle potentially boundary crossing
6681 cases more conservatively.
6682 (maybe_set_strlen_range): Parts refactored into set_strlen_range.
6683 Call set_strlen_range.
6684 * tree-ssa-strlen.h (set_strlen_range): Add prototype.
6687 * gimple-fold.c (get_range_strlen): Update prototype to no longer
6688 need the flexp argument.
6689 (get_range_strlen_tree): Drop flexp argument. Drop flexp argument
6690 from calls to get_range_strlen. Update comments. Just update
6691 VAL for an unterminated const char array and let the reset of the
6692 code handle it normally. No longer try to set *flexp. Adjust
6694 (get_range_strlen): Update for the new get_range_strlen API.
6695 (get_maxval_strlen): Similarly.
6696 (gimple_fold_builtin_strlen): Handle update meaning of return value
6697 from get_range_strlen.
6698 * gimple-ssa-sprintf.c (get_string_length): Update for the new
6699 get_range_strlen API.
6701 2019-01-02 Jan Hubicka <hubicka@ucw.cz>
6704 * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
6705 false at WPA time when body was removed.
6707 2019-01-02 Martin Liska <mliska@suse.cz>
6709 PR tree-optimization/88650
6710 * predict.c (set_even_probabilities): Calculate probability
6711 remainer only when really used.
6713 2019-01-02 Richard Biener <rguenther@suse.de>
6716 * tree-data-ref.c (analyze_subscript_affine_affine): Use
6717 widest_ints when mangling max_stmt_execution results.
6719 2019-01-02 Richard Biener <rguenther@suse.de>
6721 PR tree-optimization/88621
6722 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
6723 bitfields when canoncalizing.
6725 2019-01-02 Richard Biener <rguenther@suse.de>
6728 * config/i386/x86-tune-costs.h (intel_cost): Adjust
6729 cost of cheap SSE instruction.
6731 2019-01-02 Richard Biener <rguenther@suse.de>
6734 * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
6735 * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
6737 (sem_item_optimizer::do_congruence_step_f): Sort the congruence
6738 set after UIDs before splitting them.
6740 2019-01-01 Martin Sebor <msebor@redhat.com>
6741 Jeff Law <law@redhat.com>
6743 * gimple-fold.c (get_range_strlen_tree): Record if the computed
6744 length is optimistic. If it is, then arrange to compute the
6745 conservative length as well.
6747 * gimple-fold.h (get_range_strlen): Update prototype.
6748 * builtins.c (check_access): Update call to get_range_strlen to use
6749 c_strlen_data pointer. Change various variable accesses to instead
6750 pull data from the c_strlen_data structure.
6751 (check_strncat_sizes, expand_builtin_strncat): Likewise.
6752 * calls.c (maybe_warn_nonstring_arg): Likewise.
6753 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise. Reset
6754 minimum length if maximum lengh is unknown.
6755 * gimple-ssa-sprintf.c (get_string_length): Likewise. Drop code
6756 that used c_strlen, it's no longer needed. Restructure slightly.
6757 (format_string): Set unlikely range appropriately.
6758 * gimple-fold.c (get_range_strlen): Update comments. Fix minor
6760 (get_range_strlen): Accept c_strlen_data pointer for external
6761 call sites as well. Pass through to call to internal get_range_strlen.
6762 Adjust minlen, maxlen and maxbound as needed.
6763 (get_maxval_strlen): Update comments.
6764 (gimple_fold_builtin_strlen): Update call to get_range_strlen
6765 to use c_strlen_data pointer. Change variable accesses to instead
6766 use c_strlen_data data members.
6768 * gimple-fold.c (get_range_strlen): Update prototype.
6769 (get_range_strlen_tree): Update prototype. Drop minlen/maxlen
6770 local variables. Use pdata to return information to caller.
6771 Update calls to get_range_strlen. Update pdata->maxbound.
6772 (get_range_strlen -- static version): Similarly.
6773 (get_range_strlen -- extern version): Update for internal
6774 get_range_strlen API change. Convert to external data format.
6775 (get_maxval_strlen): Similarly.
6777 2019-01-01 Jan Hubicka <hubicka@ucw.cz>
6779 * coverage.c (get_coverage_counts): Use current_function_decl.
6780 * profile.c (read_thunk_profile): New function.
6781 (branch_prob): Add THUNK parameter.
6782 * tree-profile.c (tree_profiling): Handle thunks.
6783 * value-prof.c (init_node_map): Handle thunks.
6784 * value-prof.h (branch_prob): Upate prototype.
6785 (read_thunk_profile): Declare.
6787 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6789 Update copyright years.
6791 * gcc.c (process_command): Update copyright notice dates.
6792 * gcov-dump.c (print_version): Ditto.
6793 * gcov.c (print_version): Ditto.
6794 * gcov-tool.c (print_version): Ditto.
6795 * gengtype.c (create_file): Ditto.
6796 * doc/cpp.texi: Bump @copying's copyright year.
6797 * doc/cppinternals.texi: Ditto.
6798 * doc/gcc.texi: Ditto.
6799 * doc/gccint.texi: Ditto.
6800 * doc/gcov.texi: Ditto.
6801 * doc/install.texi: Ditto.
6802 * doc/invoke.texi: Ditto.
6804 Copyright (C) 2019 Free Software Foundation, Inc.
6806 Copying and distribution of this file, with or without modification,
6807 are permitted in any medium without royalty provided the copyright
6808 notice and this notice are preserved.