1 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
4 * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
6 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
9 * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
11 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
14 * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
16 (*mmx_uavgv4hi3): Add SSE emulation.
18 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
21 * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
22 and TARGET_MMX_WITH_SSE.
23 (*mmx_uavgv8qi3): Add SSE emulation.
25 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
28 * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
29 maskmovdqu for __MMX_WITH_SSE__.
31 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
34 * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
35 TARGET_MMX and TARGET_MMX_WITH_SSE.
36 (*mmx_umulv4hi3_highpart): Add SSE emulation.
38 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
41 * config/i386/mmx.md (mmx_pmovmskb): Changed to
42 define_insn_and_split to support SSE emulation.
44 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
47 * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
48 and TARGET_MMX_WITH_SSE.
49 (mmx_<code>v8qi3): Likewise.
50 (smaxmin:<code>v4hi3): New.
51 (umaxmin:<code>v8qi3): Likewise.
52 (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
53 (umaxmin:*mmx_<code>v8qi3): Likewise.
55 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
58 * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
60 (*mmx_pinsrw): Add SSE emulation.
62 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
65 * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
67 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
70 * config/i386/sse.md (sse_cvtpi2ps): Changed to
71 define_insn_and_split. Also allow TARGET_MMX_WITH_SSE. Add
74 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
77 * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
78 (sse_cvttps2pi): Likewise.
80 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
83 * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
85 (mmx_pshufw_1): Add SSE emulation.
86 (*vec_dupv4hi): Changed to define_insn_and_split and also allow
87 TARGET_MMX_WITH_SSE to support SSE emulation.
89 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
92 * config/i386/constraints.md (Yw): New constraint.
93 * config/i386/mmx.md (*vec_dupv2si): Changed to
94 define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
95 support SSE emulation.
97 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
100 * config/i386/mmx.md (mmx_eq<mode>3): Also allow
102 (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE. Add SSE
104 (mmx_gt<mode>3): Likewise.
106 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
109 * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
110 TARGET_MMX_WITH_SSE. Add SSE support.
112 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
115 * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
117 (any_logic:<code><mode>3): New.
118 (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
121 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
124 * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
125 TARGET_MMX_WITH_SSE. Add SSE emulation.
126 (mmx_<shift_insn><mode>3): Likewise.
128 (<shift_insn><mode>3): Likewise.
130 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
133 * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
134 (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE. Add SSE support.
136 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
139 * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
141 (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
144 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
147 * config/i386/mmx.md (mmx_mulv4hi3): Also allow
150 (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE. Add SSE
153 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
156 * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
157 (plusminus:mmx_<plusminus_insn><mode>3): Check
159 (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
160 (<plusminus_insn><mode>3): New.
161 (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
162 (*mmx_<plusminus_insn><mode>3): Likewise.
164 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
167 * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
168 * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
170 * config/i386/mmx.m (mmx_punpckhbw): Changed to
171 define_insn_and_split to support SSE emulation.
172 (mmx_punpcklbw): Likewise.
173 (mmx_punpckhwd): Likewise.
174 (mmx_punpcklwd): Likewise.
175 (mmx_punpckhdq): Likewise.
176 (mmx_punpckldq): Likewise.
178 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
179 Uros Bizjak <ubizjak@gmail.com>
182 * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
184 (ix86_split_mmx_pack): Likewise.
185 * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
187 (ix86_split_mmx_pack): Likewise.
188 * config/i386/i386.md (mmx_isa): New.
189 (enabled): Also check mmx_isa.
190 * config/i386/mmx.md (any_s_truncate): New code iterator.
191 (s_trunsuffix): New code attr.
192 (mmx_packsswb): Removed.
193 (mmx_packssdw): Likewise.
194 (mmx_packuswb): Likewise.
195 (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
196 MMX packsswb/packuswb with SSE2.
197 (mmx_packssdw): Likewise.
198 * config/i386/predicates.md (register_mmxmem_operand): New.
200 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
203 * config/i386/i386-c.c (ix86_target_macros_internal): Define
204 __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
205 * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
206 TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
207 (ix86_vector_mode_supported_p): Likewise.
208 * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
210 2019-05-15 Martin Liska <mliska@suse.cz>
213 * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
216 2019-05-15 Richard Biener <rguenther@suse.de>
218 * tree-into-ssa.c (pass_build_ssa::execute): Run
219 update_address_taken before going into SSA.
221 2019-05-15 Richard Biener <rguenther@suse.de>
223 * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
224 as __BIT_FIELD_REF with type with -gimple.
226 2019-05-15 Vladislav Ivanishin <vlad@ispras.ru>
228 * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
229 semantically equivalent branches (left over after prior refactorings).
231 2019-05-15 Richard Biener <rguenther@suse.de>
233 PR tree-optimization/88828
234 * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
237 2019-05-14 Richard Biener <rguenther@suse.de>
239 * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
240 as __VIEW_CONVERT with -gimple.
242 2019-05-12 Iain Sandoe <iain@sandoe.co.uk>
245 * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
248 2019-05-14 Segher Boessenkool <segher@kernel.crashing.org>
250 * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
251 define_split to become a define_insn_and_split.
253 2019-05-14 Segher Boessenkool <segher@kernel.crashing.org>
255 * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
257 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
258 * config/rs6000/rs6000.md (epilogue_type): New define_enum.
259 (sibcall_epilogue): Adjust.
262 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
264 * config.gcc: Move *-*-solaris2.10* from obsolete configurations
266 Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
267 * config.host: Likewise.
268 * config/i386/sol2.h (ASM_COMMENT_START): Remove.
269 * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
270 __svr4__]: Remove "brand" fallback.
271 [!KSTAT_DATA_STRING]: Remove.
272 * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
274 (comdat_group): Likewise.
275 (set_have_as_tls): Likewise.
276 (gcc_cv_target_dl_iterate_phdr): Likewise.
277 (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
278 (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
279 * configure: Regenerate.
280 * doc/install.texi: Simplify Solaris target triplets.
281 (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
282 (Specific, *-*-solaris2*): Document Solaris 10 removal.
283 Remove Solaris 10 references.
284 Remove obsolete Solaris bug reference.
285 (Specific, sparc-sun-solaris2.10): Remove.
287 2019-05-14 Uroš Bizjak <ubizjak@gmail.com>
289 * config/i386/i386.md (any_div): New code iterator.
290 (paired_mod): New code attribute.
291 (sgnprefix): Handle DIV and UDIV RTXes.
293 (<u>divmod<mode>4): Macroize expander from divmod<mode>4
294 and udivmod<mode>4 patterns using any_div code iterator.
295 (divmod splitters): Macroize splitters using any_div code iterator.
296 (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
297 (*udivmodsi4_pow2_zext_2): Ditto.
298 (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
299 and *udivmod<mode>4_noext patterns using any_div code iterator.
300 (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
301 *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
302 patterns using any_div code iterator.
303 (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
304 *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
305 patterns using any_div code iterator.
306 (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
307 udivmodhiqi3 patterns using any_extend code iterator.
309 2019-05-14 Richard Biener <rguenther@suse.de>
310 H.J. Lu <hongjiu.lu@intel.com>
312 PR tree-optimization/88828
313 * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
314 permuting in a single non-constant element not extracted
317 2019-05-14 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com>
319 * internal-fn.def (SIGNBIT): New.
320 * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
322 (signbitv4sf2): Likewise.
324 2019-05-14 Chenghua Xu <paul.hua.gm@gmail.com>
327 * config/mips/mips.c (mips_split_move): Skip forward SRC into
328 next insn when the SRC reg is dead.
330 2019-05-14 Bin Cheng <bin.cheng@linux.alibaba.com>
332 * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
333 (alloc_cand_and_find_basis): Ditto.
334 (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
335 (create_mul_imm_cand, create_add_ssa_cand): Ditto.
336 (create_add_imm_cand, slsr_process_cast): Ditto.
337 (slsr_process_copy, replace_mult_candidate): Ditto.
338 (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
339 (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
340 (pass_strength_reduction::execute): Init the first NULL element.
342 2019-05-13 Nathan Sidwell <nathan@acm.org>
344 * gcc.c (execute): Simplify cond-expr into if. Reformat comment.
345 (run_attempt): Reformat line break.
347 2019-05-13 David Edelsohn <dje.gcc@gmail.com>
350 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
351 data registers in sibcall epilogues.
352 Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
354 2019-05-13 Uroš Bizjak <ubizjak@gmail.com>
357 * configure.ac (--enable-frame-pointer):
358 Disable by default for cygwin and mingw.
359 * configure: Regenerate.
361 2019-05-13 Nathan Sidwell <nathan@acm.org>
363 * dwarf2out.c (breakout_comdat_types): Move comment to correct
365 (const_ok_for_output_1): Balance parens around #if/#else/#endif
366 (gen_member_die): Move abstract origin check earlier. Only VARs
367 can be static_inline_p. Simplify splicing control flow.
369 2019-05-13 Richard Biener <rguenther@suse.de>
371 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
373 (vect_build_slp_tree_1): Likewise.
375 2019-05-13 Richard Biener <rguenther@suse.de>
377 PR tree-optimization/90402
378 * tree-if-conv.c (tree_if_conversion): Value number only
379 the loop body by making the latch an exit of the region
381 * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
383 (do_rpo_vn): Deal with multiple edges into the entry block
384 that are not backedges inside the region by skipping PHIs
387 2019-05-13 Richard Biener <rguenther@suse.de>
389 PR tree-optimization/90316
390 * tree-ssa-pre.c (insert_aux): Fold into ...
391 (insert): ... this function. Use a RPO walk to reduce the
392 number of required iterations.
394 2019-05-13 Martin Liska <mliska@suse.cz>
396 PR tree-optimization/90416
397 * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
398 string instead of passing the second part as va_arg argument.
400 2019-05-13 Martin Liska <mliska@suse.cz>
402 PR gcov-profile/90380
403 * gcov.c (handle_cycle): Do not support zero cycle count,
404 it should not be possible.
405 (path_contains_zero_cycle_arc): New function.
406 (circuit): Ignore zero cycle arc counts.
408 2019-05-13 Martin Liska <mliska@suse.cz>
410 PR gcov-profile/90380
411 * gcov.c (enum loop_type): Remove the enum and
413 (handle_cycle): Assert that we should not reach
415 (circuit): Use loop_found instead of a tri-state loop_type.
416 (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
419 2019-05-12 Iain Sandoe <iain@sandoe.co.uk>
422 * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
423 (ix86_output_indirect_branch_via_reg): Use output mechanism
424 accounting for __USER_LABEL_PREFIX__.
425 (ix86_output_indirect_branch_via_push): Likewise.
426 (ix86_output_function_return): Likewise.
427 (ix86_output_indirect_function_return): Likewise.
429 2019-05-12 Richard Sandiford <richard.sandiford@arm.com>
431 * doc/md.texi: Document use of code attributes in rtx patterns.
432 * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
433 * read-rtl.c (find_code): Split out search loops into...
434 (maybe_find_code): ...this new function.
435 (check_code_iterator): Make the error message more informative.
436 (check_code_attribute): New function.
437 (rtx_reader::rtx_alloc_for_name): Likewise.
438 (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
439 * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
440 * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
441 <max_opp> directly as an rtx code instead of via a match_operator.
442 * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
443 (<su>abd<mode>_3): Update accordingly.
445 2019-05-12 Iain Sandoe <iain@sandoe.co.uk>
447 * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
448 is given, print the state of the EH "save world" computation for
451 2019-05-11 Jakub Jelinek <jakub@redhat.com>
454 * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
455 EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
457 2019-05-11 Uroš Bizjak <ubizjak@gmail.com>
459 * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
460 Use pinsrd for TARGET_SSE4_1.
461 * config/i386/sse.md (movdi_to_sse): Ditto.
463 2019-05-10 Richard Biener <rguenther@suse.de>
465 * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
466 (do_rpo_vn): Initialize next_value_id.
468 2019-05-10 Martin Liska <mliska@suse.cz>
470 * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
473 2019-05-10 Jakub Jelinek <jakub@redhat.com>
475 PR tree-optimization/90385
476 * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
477 arguments of the exit phis.
480 * tree-inline.h (struct copy_body_data): Add do_not_fold member.
481 * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
483 (copy_tree_body_r): Likewise.
484 (copy_fn): Set id.do_not_fold to true.
486 2019-05-10 Martin Liska <mliska@suse.cz>
488 * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
489 Reapply changes from r269790.
491 2019-05-10 Martin Liska <mliska@suse.cz>
494 * doc/invoke.texi: New params.
495 * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
496 (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
497 * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
499 * tree-switch-conversion.h (struct jump_table_cluster):
502 2019-05-09 Segher Boessenkool <segher@kernel.crashing.org>
504 * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
506 2019-05-09 Bill Schmidt <wschmidt@linux.ibm.com>
508 * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
510 2019-05-09 Alexander Monakov <amonakov@ispras.ru>
512 PR rtl-optimization/88879
513 * sel-sched.c (sel_target_adjust_priority): Remove assert.
515 2019-05-09 Richard Earnshaw <rearnsha@arm.com>
518 * config/arm/arm.c (callee_saved_reg_p): Move before
519 thumb_find_work_register.
520 (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
521 thumb_find_work_register. Only call df_get_live_out once.
522 (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
523 (thumb_find_work_register): Use
524 thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
525 algorithms to locate a spare call clobbered reg.
527 2019-05-09 Martin Liska <mliska@suse.cz>
529 * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
530 and MAX_EXPR in GIMPLE FE format.
532 2019-05-09 Martin Liska <mliska@suse.cz>
534 * tree-cfg.c (dump_function_to_file): Dump entry BB count.
535 * gimple-pretty-print.c (dump_gimple_bb_header):
537 (pp_cfg_jump): Dump edge probability.
538 * profile-count.c (profile_quality_as_string): Simplify
540 (parse_profile_quality): New function.
541 (profile_count::dump): Simplify with a static array.
542 (profile_count::from_gcov_type): Add new argument.
543 * profile-count.h (parse_profile_quality): Likewise.
544 * predict.h (set_hot_bb_threshold): New.
545 * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
547 * predict.c (get_hot_bb_threshold): Set from the new param.
548 (set_hot_bb_threshold): New.
550 2019-05-09 Richard Biener <rguenther@suse.de>
552 PR tree-optimization/90395
553 * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
554 rewrite vector stores that throw internally.
556 2019-05-09 Thomas Schwinge <thomas@codesourcery.com>
558 * cif-code.def (CHKP): Remove.
561 * configure.ac (--enable-frame-pointer): Disable by default for
563 * configure: Regenerate.
565 2019-05-09 Alan Modra <amodra@gmail.com>
568 * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
569 (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
570 * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
571 cost for general <-> vsx when direct moves are available.
572 Cost union classes at minimal cost for any reg in the class.
573 Correct calculation for moves between vsx, float, and altivec.
574 Don't return a low cost for moves between special regs. Don't
575 use hard coded register numbers.
576 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
577 (rs6000_ira_change_pseudo_allocno_class): New function.
578 * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
579 (movdi_internal32, movdi_internal64): Remove '*' from vsx register
581 (movsi_internal1): Don't disparage vector alternatives.
582 (mov<mode>_internal): Likewise, excepting alternative that
584 * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
587 2019-05-08 Jakub Jelinek <jakub@redhat.com>
590 PR tree-optimization/89060
591 * tree-ssa-live.h (live_vars_map): New typedef.
592 (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
593 * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
594 (struct compute_live_vars_data): New type.
595 (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
596 live_vars_at_stmt, destroy_live_vars): New functions.
597 * tree-tailcall.c: Include tree-ssa-live.h.
598 (live_vars, live_vars_vec): New global variables.
599 (find_tail_calls): Perform variable life analysis before punting.
600 (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
601 * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
603 * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
604 Perform variable life analysis to select variables that really need
606 (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
607 instead set id->eh_landing_pad_dest and assert it is the same.
608 (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
610 2019-05-08 Mihail Ionescu <mihail.ionescu@arm.com>
611 Richard Earnshaw <rearnsha@arm.com>
614 * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
616 (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
617 (thumb1_compute_save_core_reg_mask): Don't force a spare work
618 register if both the epilogue and prologue can use call-clobbered
620 (thumb1_unexpanded_epilogue): Use
621 thumb1_epilogue_unused_call_clobbered_lo_regs. Reverse the logic for
622 picking temporaries for restoring high regs to match that of the
623 prologue where possible.
624 (thumb1_expand_prologue): Add any usable call-clobbered low registers to
625 the list of work registers. Detect if the return address is still live
626 at the end of the prologue and avoid using it for a work register if so.
627 If the return address is not live, add LR to the list of pushable regs
628 after the first pass.
630 2019-05-08 Bin Cheng <bin.cheng@linux.alibaba.com>
632 PR tree-optimization/90078
633 * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
634 (INFTY): Increase the value for infinite cost.
635 (struct comp_cost): Promote type of members to int64_t.
636 (infinite_cost): Don't set complexity in initialization.
637 (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
638 overflows to infinite_cost.
639 (adjust_setup_cost): Promote type of parameter and cost computation
641 (struct ainc_cost_data, struct iv_ca): Promote type of member to
643 (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
644 cost computation to int64_t.
645 (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
646 int64_t's format specifier in dump.
648 2019-05-08 Bin Cheng <bin.cheng@linux.alibaba.com>
650 PR tree-optimization/90240
651 * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
652 with respect to scaling factor pre-computed for each basic block.
653 (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
654 (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
655 (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
656 (tree_ssa_iv_optimize_loop): Call determine_scaling_factor. Extend
657 live range for array of loop's basic blocks. Cleanup aux field of
660 2019-05-08 Jakub Jelinek <jakub@redhat.com>
662 PR tree-optimization/90356
663 * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
665 2019-05-07 Wei Xiao <wei3.xiao@intel.com>
667 * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
668 OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
669 (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
670 (ix86_handle_option): Handle -mavx512bf16.
671 * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
673 * config/i386/avx512bf16vlintrin.h: New.
674 * config/i386/avx512bf16intrin.h: New.
675 * config/i386/cpuid.h (bit_AVX512BF16): New.
676 * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
677 * config/i386/i386-builtin-types.def: Add new types.
678 * config/i386/i386-builtin.def: Add new builtins.
679 * config/i386/i386-c.c (ix86_target_macros_internal): Define
681 * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
682 (ix86_option_override_internal): Handle BF16.
683 (ix86_valid_target_attribute_inner_p): Ditto.
684 * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
685 * config/i386/i386-builtin.c (enum processor_features): Add
687 (static const _isa_names_table isa_names_table): Ditto.
688 * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
689 (PTA_AVX512BF16): Ditto.
690 * config/i386/i386.opt: Add -mavx512bf16.
691 * config/i386/immintrin.h: Include avx512bf16intrin.h
692 and avx512bf16vlintrin.h.
693 * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
694 avx512f_cvtneps2bf16_<mode><mask_name>,
695 avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
696 * config/i386/subst.md (mask_half): Add new subst.
697 * doc/invoke.texi: Document -mavx512bf16.
699 2019-05-07 Segher Boessenkool <segher@kernel.crashing.org>
701 * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
703 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
704 (rs6000_debug_legitimize_reload_address): Delete.
705 (rs6000_legitimize_reload_address_ptr): Delete.
706 (rs6000_option_override_internal): Adjust.
707 (mem_operand_gpr): Adjust comment.
708 (legitimate_lo_sum_address_p): Ditto.
709 (rs6000_legitimize_reload_address): Delete.
710 (rs6000_debug_legitimize_reload_address): Delete.
711 * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
713 2019-05-07 Kelvin Nilsen <kelvin@gcc.gnu.org>
716 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
717 In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
718 to compute vector element selector for both constant and variable
721 2019-05-07 Uroš Bizjak <ubizjak@gmail.com>
723 * config/i386/i386.md (cvt_mnemonic): New mode attribute.
724 (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
725 ashrdi3_cvt using SWI48 mode iterator.
727 2019-05-07 Alejandro Martinez <alejandro.martinezvicente@arm.com>
729 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
730 (aarch64_<su>abd<mode>_3): Likewise.
731 (*aarch64_<su>abd<mode>_3): New define_insn.
732 (<sur>sad<vsi2qi>): New define_expand.
733 * config/aarch64/iterators.md: Added MAX_OPP attribute.
734 * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
735 (build_vect_cond_expr): Likewise.
737 2019-05-07 Uroš Bizjak <ubizjak@gmail.com>
739 * cfgexpand.c (asm_clobber_reg_is_valid): Reject
740 clobbers outside of accessible_reg_set.
741 * config/i386/i386.c (ix86_conditional_register_usage):
742 Disable register sets by clearing corresponding bits in
743 accessible_reg_set. Do not set corresponding bits in fixed_regs,
744 call_used_regs and don't clear corresponding reg_names array members.
746 2019-05-07 Richard Biener <rguenther@suse.de>
748 * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
749 not specified still compute a comp_vectype for invariant
752 2019-05-07 Richard Biener <rguenther@suse.de>
754 PR tree-optimization/90316
755 * tree-ssa-pre.c (translate_vuse_through_block): When
756 same_valid is NULL do not bother to search for a virtual
758 (phi_translate_1): When operands changed we cannot keep
759 the same value-number so do not bother to ask whether
760 that's possible from translate_vuse_through_block.
762 2019-05-07 Martin Liska <mliska@suse.cz>
764 * bitmap.c (bitmap_register): Come up with
765 alloc_descriptor_max_uid and assign it for
767 (register_overhead): Use get_descriptor as
769 (release_overhead): New.
770 (bitmap_elem_to_freelist): Call it.
771 (bitmap_elt_clear_from): Likewise.
772 (bitmap_obstack_free): Likewise.
773 (bitmap_move): Sensitively release memory.
774 * bitmap.h (struct GTY): Add alloc_descriptor and padding.
775 (bitmap_initialize): Initialize alloc_descriptor to zero.
776 * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
778 2019-05-07 Richard Biener <rguenther@suse.de>
780 * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
781 we build a SLP node. Remove max_size and limiting.
782 (vect_analyze_slp_instance): Record and dump size of the SLP graph.
784 2019-05-07 Richard Biener <rguenther@suse.de>
786 PR tree-optimization/90316
787 * tree-ssa-alias.h (get_continuation_for_phi): Take walking
789 (walk_non_aliased_vuses): Take walking limit argument.
790 * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
791 walking if it is reached instead of just counting.
792 (get_continuation_for_phi): Likewise.
793 (walk_non_aliased_vuses): Likewise, instead of leaving counter
794 limiting to the callback.
795 * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
796 (vn_reference_lookup_3): Likewise.
797 (vn_reference_lookup_pieces): Likewise.
798 (vn_reference_lookup): Likewise.
799 * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
800 * tree-ssa-scopedtables.c (vuse_eq): Adjust.
801 (avail_exprs_stack::lookup_avail_expr): Likewise.
803 2019-05-07 Jan Hubicka <hubicka@ucw.cz>
805 * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
806 for comparaible types in the second direction even if first one
807 hits incomparable type.
809 2019-05-07 Richard Biener <rguenther@suse.de>
812 * lto-wrapper.c (debug_objcopy): Use the original filename
813 including archive offset for the filename used for -save-temps.
815 2019-05-07 Li Jia He <helijia@linux.ibm.com>
817 * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
820 2019-05-06 Segher Boessenkool <segher@kernel.crashing.org>
822 * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
823 (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
824 (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
825 (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
826 (FRAME_POINTER_REGNUM): Change numbering.
827 * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
828 (alt_reg_names): Adjust.
829 (rs6000_conditional_register_usage): Don't mark hard register 64 as
831 * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
832 (DWARF_FRAME_REGISTERS): Delete.
833 (DWARF2_FRAME_REG_OUT): Fix whitespace.
834 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
836 (REG_ALLOC_ORDER): Adjust.
837 (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
838 (REG_CLASS_CONTENTS): Adjust.
839 (RETURN_ADDR_RTX): Change comment.
840 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
842 (REGISTER_NAMES): Adjust.
843 (ADDITIONAL_REGISTER_NAMES): Adjust.
844 * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
846 2019-05-06 Segher Boessenkool <segher@kernel.crashing.org>
848 * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
850 * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
851 (DWARF_FRAME_REGISTERS): Adjust.
852 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
854 (REG_ALLOC_ORDER): Adjust.
855 (enum reg_class): Delete SPR_REGS.
856 (REG_CLASS_NAMES): Delete SPR_REGS.
857 (REG_CLASS_CONTENTS): Delete SPR_REGS. Adjust for deleted TM regs.
858 (REGISTER_NAMES): Adjust.
859 (ADDITIONAL_REGISTER_NAMES): Adjust.
860 * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
861 * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
862 * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
863 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
864 (htm_spr_regno): Delete.
865 (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
867 (rs6000_dbx_register_number): Adjust.
869 2019-05-06 Segher Boessenkool <segher@kernel.crashing.org>
871 * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
873 2019-05-06 Segher Boessenkool <segher@kernel.crashing.org>
875 * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
876 FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
878 2019-05-06 Jakub Jelinek <jakub@redhat.com>
880 PR tree-optimization/88709
881 PR tree-optimization/90271
882 * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
883 * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
884 non-clobber CONSTRUCTORs with no elts. Remove useless tmp_int
886 (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
887 of the store merging group is larger than
888 PARAM_STORE_MERGING_MAX_SIZE parameter.
889 (split_group): Add bzero_first argument. If set, always emit first
890 the first store which must be = {} of the whole area and then for the
891 rest of the stores consider all zero bytes as paddings.
892 (imm_store_chain_info::output_merged_store): Check if first store
893 is = {} of the whole area and if yes, determine which setting of
894 bzero_first for split_group gives smaller number of stores. Adjust
896 (lhs_valid_for_store_merging_p): Allow decls.
897 (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
899 (pass_store_merging::process_store): Likewise.
901 2019-05-06 Kelvin Nilsen <kelvin@gcc.gnu.org>
904 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
905 handling of V1TImode.
907 2019-05-06 Uroš Bizjak <ubizjak@gmail.com>
910 * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
911 and enable_frame_pointer ...
912 * configure.ac: ... here. Update help strings for
913 --enable-frame-pointer.
914 * configure: Regenerate.
915 * config/i386/i386-options.c (ix86_option_override_internal): Remove
916 USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
917 * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
918 (USE_X86_64_FRAME_POINTER): Ditto.
920 2019-05-06 Martin Liska <mliska@suse.cz>
922 * config.gcc: Append to target_gtfiles and fix indentation.
924 2019-05-06 Richard Biener <rguenther@suse.de>
926 PR tree-optimization/90358
927 * tree-vect-stmts.c (get_group_load_store_type): Properly
928 detect unused upper half of load.
929 (vectorizable_load): Likewise.
931 2019-05-06 Richard Biener <rguenther@suse.de>
933 PR tree-optimization/88828
934 * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
935 (simplify_vector_constructor): ...here. Handle constants in
938 2019-05-06 Richard Biener <rguenther@suse.de>
940 PR tree-optimization/90328
941 * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
942 * tree-data-ref.c (dr_may_alias_p): Check whether the clique
943 is valid in the loop nest before using it.
944 (initialize_data_dependence_relation): Adjust.
945 * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
946 loop as loop-nest to dr_may_alias_p.
948 2019-05-06 Richard Biener <rguenther@suse.de>
950 * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
952 2019-05-06 Richard Biener <rguenther@suse.de>
954 PR tree-optimization/90316
955 * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
956 compute target on demand.
957 (get_continuation_for_phi): Remove code walking stmts to
958 get to a target virtual operand which could end up being
961 2019-05-06 Martin Liska <mliska@suse.cz>
964 * config/i386/i386-options.c (ix86_option_override_internal): Error only
965 when -mabi is selected to a non-default version.
967 2019-05-06 Hrishikesh Kulkarni <hrishikeshparag@gmail.com>
968 Martin Liska <mliska@suse.cz>
970 * Makefile.in: Add lto-dump.texi.
971 * cgraph.h: Add new functions get_visibility_string and
972 get_symtab_type_string.
973 * doc/gcc.texi: Include lto-dump section.
974 * doc/lto-dump.texi: New file.
975 * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
976 (parse_dump_option): Factor out this function.
977 * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
978 (parse_dump_option): Export the function.
979 * symtab.c (symtab_node::get_visibility_string): New function.
980 (symtab_node::get_symtab_type_string): Likewise.
982 2019-05-06 Martin Liska <mliska@suse.cz>
984 * config/i386/i386-builtins.c: New file.
985 * config/i386/i386-builtins.h: New file.
986 * config/i386/i386-expand.c: New file.
987 * config/i386/i386-expand.h: New file.
988 * config/i386/i386-features.c: New file.
989 * config/i386/i386-features.h: New file.
990 * config/i386/i386-options.c: New file.
991 * config/i386/i386-options.h: New file.
992 * config.gcc: Add new files into extra_objs and
994 * config/i386/i386.c: Split content of the file
995 into newly introduced files.
996 * config/i386/i386.h: Declare common variables
998 * config/i386/t-i386: Define dependencies for new files.
1001 2019-05-03 Richard Earnshaw <rearnsha@arm.com>
1004 * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
1005 Restrict 'all' variant to 32-bit configurations.
1006 (unaligned_loadhiu): Likewise.
1007 (unaligned_storehi): Likewise.
1008 (unaligned_storesi): Likewise.
1009 (unaligned_loadhis): Disable when compiling for thumb1.
1011 2019-05-03 Marc Glisse <marc.glisse@inria.fr>
1013 PR tree-optimization/90269
1014 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
1017 2019-05-03 Martin Liska <mliska@suse.cz>
1019 * hash-map.h: Add is_empty function.
1020 * hash-set.h: Likewise.
1021 * hash-table.h: Likewise.
1022 * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
1023 elements () == 0 (and similar usages).
1024 * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
1025 * gimplify.c (gimplify_bind_expr): Likewise.
1026 (gimplify_switch_expr): Likewise.
1027 * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
1028 * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
1029 * postreload-gcse.c (dump_hash_table): Likewise.
1030 (gcse_after_reload_main): Likewise.
1031 * predict.c (combine_predictions_for_bb): Likewise.
1032 * tree-parloops.c (reduction_phi): Likewise.
1033 (separate_decls_in_region): Likewise.
1034 (transform_to_exit_first_loop): Likewise.
1035 (gen_parallel_loop): Likewise.
1036 (gather_scalar_reductions): Likewise.
1037 (try_create_reduction_list): Likewise.
1038 * var-tracking.c (dump_vars): Likewise.
1039 (emit_notes_for_changes): Likewise.
1040 (vt_emit_notes): Likewise.
1042 2019-05-03 Richard Biener <rguenther@suse.de>
1044 PR tree-optimization/90316
1045 * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
1048 2019-05-03 Richard Biener <rguenther@suse.de>
1050 * tree-vect-stmts.c (get_group_load_store_type): Avoid
1051 peeling for gaps by loading only lower halves of vectors
1053 (vectorizable_load): Likewise.
1055 2019-05-03 Richard Biener <rguenther@suse.de>
1058 * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
1060 2019-05-03 Richard Biener <rguenther@suse.de>
1063 * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
1064 Handle STRING_CST vs DECL or STRING_CST.
1066 2019-05-03 Richard Biener <rguenther@suse.de>
1068 PR tree-optimization/88963
1069 * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
1070 vector loads feeding only BIT_FIELD_REFs to component
1071 loads. Rewrite stores fed by CONSTRUCTORs to component
1074 2019-05-03 Jakub Jelinek <jakub@redhat.com>
1076 * opts.h (finish_options): Remove lang_mask argument.
1077 (print_help, help_option_argument): Declare.
1078 * opts.c (print_help): Remove forward declaration, no longer static.
1079 (finish_options): Remove lang_mask argument, don't call print_help
1081 * opts-global.c (decode_options): Adjust finish_option caller, call
1084 PR tree-optimization/90303
1085 * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
1086 TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
1088 2019-05-03 Richard Biener <rguenther@suse.de>
1090 PR tree-optimization/89698
1091 * gimple-fold.c (canonicalize_constructor_val): Early out
1092 for constants, handle unfolded INTEGER_CSTs as they appear in
1093 C++ virtual table ctors.
1095 2019-05-03 Richard Biener <rguenther@suse.de>
1097 * passes.c (execute_function_todo): Remove dead code.
1099 2019-05-02 Segher Boessenkool <segher@kernel.crashing.org>
1101 * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
1102 the internal register number, for any "real" register.
1104 2019-05-02 Segher Boessenkool <segher@kernel.crashing.org>
1106 * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
1107 correct numbers for TFHAR, TFIAR, TEXASR.
1109 2019-05-02 Richard Biener <rguenther@suse.de>
1111 PR tree-optimization/89653
1112 * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
1113 update-address-taken before the pass.
1114 * passes.def (pass_tree_loop_init): Put comment before it.
1116 2019-05-02 Richard Biener <rguenther@suse.de>
1118 PR tree-optimization/89509
1119 * tree-ssa-structalias.c (compute_dependence_clique): Look
1120 at the first subvar when determining whether it is restrict.
1122 2019-05-02 Richard Biener <rguenther@suse.de>
1124 PR tree-optimization/90273
1125 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
1126 useless debug stmts.
1128 2019-05-02 Alejandro Martinez <alejandro.martinezvicente@arm.com>
1130 * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
1132 * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
1134 * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
1135 VEC_COND_EXPR be inserted to emulate a conditional internal function.
1136 (build_vect_cond_expr): Emit the VEC_COND_EXPR.
1137 (vectorizable_reduction): Use the functions above to vectorize in a
1138 fully masked loop codes that don't have a conditional internal
1141 2019-05-02 Martin Liska <mliska@suse.cz>
1143 * cgraphclones.c: Call valid_attribute_p with 1 for
1145 * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
1146 it's for target attribute.
1147 * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
1148 Add new boolean argument.
1149 * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
1151 (ix86_valid_target_attribute_tree): Pass target_clone_attr
1152 to ix86_valid_target_attribute_inner_p.
1153 (ix86_valid_target_attribute_p): Pass flags argument to
1154 ix86_valid_target_attribute_inner_p.
1155 (get_builtin_code_for_version): Use 0 as it's target attribute.
1157 2019-05-02 Martin Liska <mliska@suse.cz>
1159 * gcc.c (process_command): Add dummy file only
1161 * opts-global.c (decode_options): Pass lang_mask.
1162 * opts.c (print_help): New function.
1163 (finish_options): Print --help if help_option_argument
1165 (common_handle_option): Factor out content of OPT__help_
1167 * opts.h (finish_options): Add new argument.
1169 2019-05-02 Martin Liska <mliska@suse.cz>
1172 * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
1173 With -minline-all-stringops use inline expansion using 4B loop.
1174 * doc/invoke.texi: Document the change of
1175 -minline-all-stringops.
1177 2019-05-01 Jeff Law <law@redhat.com>
1179 PR tree-optimization/88797
1180 * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
1181 PHI feeds a conditional on the RHS of an assignment.
1183 2019-04-30 Andrew Waterman <andrew@sifive.com>
1184 Jim Wilson <jimw@sifive.com>
1186 * config/riscv/constraints.md (L): New.
1187 * config/riscv/predicates.md (lui_operand): New.
1188 (sfb_alu_operand): New.
1189 * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
1190 * config/riscv/riscv.c (riscv_expand_conditional_move): New.
1191 * config/riscv/riscv.h (TARGET_SFB_ALU): New.
1192 * config/riscv/risc.md (type): Add sfb_alu.
1193 (branch<mode>): Renamed from branch_order<mode>. Change predicate for
1194 operand 3 to reg_or_0_operand. In output string, change %3 to %z3.
1195 (branch_zero<mode>): Delete.
1197 (mov<GPR:mode><X:mode>cc): Likewise.
1198 * config/riscv/sifive-7.md (sifive_7_sfb_alu): New. Use in bypasses.
1200 2019-04-30 Nathan Sidwell <nathan@acm.org>
1202 * tree.h (MARK_TS_EXP): New.
1204 2019-04-30 Martin Liska <mliska@suse.cz>
1206 * opts.c (enable_warning_as_error): Provide hints
1207 for unknown options.
1209 2019-04-30 Martin Liska <mliska@suse.cz>
1212 * doc/invoke.texi: Add missing dash for gas-locview-support
1213 and gno-as-locview-support.
1215 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1218 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
1219 whitespace at the start of target attribute string.
1221 2019-04-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1224 * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
1225 Define __ARM_FEATURE_ATOMICS.
1227 2019-04-30 Martin Liska <mliska@suse.cz>
1229 * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
1230 into built_in_function enum. Remove code for endp == 2 and
1231 use BUILT_IN_* constants.
1232 (gimple_fold_builtin): Call the function with fcode.
1234 2019-04-30 Martin Liska <mliska@suse.cz>
1236 * config/i386/i386.c (ix86_builtin_reciprocal): Cast
1237 DECL_FUNCTION_CODE into ix86_builtins enum before
1238 the switch statement.
1240 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1242 PR tree-optimization/89475
1243 * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
1246 2019-04-30 Martin Liska <mliska@suse.cz>
1248 PR translation/90274
1249 * opts.c (print_filtered_help): Wrap string in _(...).
1251 2019-04-30 Bin Cheng <bin.cheng@linux.alibaba.com>
1253 PR tree-optimization/90240
1255 2019-04-23 Bin Cheng <bin.cheng@linux.alibaba.com>
1257 PR tree-optimization/90078
1258 * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
1259 checks for infinite_cost overflow.
1261 2019-04-29 Jeff Law <law@redhat.com>
1263 * passes.def: Move -Wrestrict pass after copy propagation.
1265 2019-04-29 Maya Rashish <coypu@sdf.org>
1267 * config.gcc (default_gnu_indirect_function): Default to yes
1268 for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
1269 sparc*-*-netbsd*, x86_64-*-netbsd*.
1271 2019-04-29 Vladislav Ivanishin <vlad@ispras.ru>
1273 * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
1274 where cond2 is NE_EXPR.
1275 (is_value_included_in): Update comment.
1277 2019-04-29 Richard Biener <rguenther@suse.de>
1279 PR tree-optimization/90278
1280 * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
1281 EH on comparison simplification.
1283 2019-04-29 Jason Merrill <jason@redhat.com>
1285 PR c++/82081 - tail call optimization breaks noexcept
1286 * tree-tailcall.c (find_tail_calls): Don't turn a call from a
1287 nothrow function to a might-throw function into a tail call.
1289 2019-04-29 Richard Sandiford <richard.sandiford@arm.com>
1291 * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
1292 (DDR_INNER_LOOP): Likewise.
1293 * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
1294 (initialize_data_dependence_relation): Likewise.
1295 (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
1297 2019-04-29 Jakub Jelinek <jakub@redhat.com>
1299 PR rtl-optimization/90257
1300 * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
1304 2019-04-21 H.J. Lu <hongjiu.lu@intel.com>
1308 2018-11-21 Uros Bizjak <ubizjak@gmail.com>
1311 2013-10-26 Vladimir Makarov <vmakarov@redhat.com>
1314 2013-10-25 Vladimir Makarov <vmakarov@redhat.com>
1316 * lra-spills.c (lra_final_code_change): Remove useless move insns.
1318 2019-04-29 Richard Biener <rguenther@suse.de>
1320 * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
1323 2019-04-27 Iain Buclaw <ibuclaw@gdcproject.org>
1325 * config/netbsd-d.c: Include memmodel.h. Remove unused tree.h,
1326 varasm.h, and netbsd-protos.h.
1328 2019-04-27 Uroš Bizjak <ubizjak@gmail.com>
1331 * config/i386/i386-protos.h (ix86_data_alignment): Change
1332 the second argument type to unsigned int.
1333 * config/i386/i386.c (ix86_data_alignment): Change "align"
1334 argument type to unsigned int.
1336 2019-04-27 Martin Liska <mliska@suse.cz>
1339 * opt-suggestions.c (option_proposer::build_option_suggestions):
1340 When get_valid_option_values returns empty values, add the
1341 misspelling candidate.
1343 2019-04-26 Jim Wilson <jimw@sifive.com>
1345 * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
1347 * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
1348 Pass orig_mode to riscv_build_integer.
1349 (riscv_split_integer): Pass mode to riscv_move_integer.
1350 (riscv_legitimize_const_move): Likewise.
1351 (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
1352 promoted_mode. Replace force_reg call with code to load constant into
1353 promoted reg and then subreg it for the store.
1354 * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
1357 2018-04-26 Eugene Sharygin <eush@ispras.ru>
1359 * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
1362 2019-04-26 Richard Sandiford <richard.sandiford@arm.com>
1364 * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
1365 commentary about the encoding of precision.
1367 2019-04-25 Andreas Tobler <andreast@gcc.gnu.org>
1369 * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
1370 * config/i386/t-freebsd64: New file.
1371 * config.gcc: Add the t-freebsd64 for multilib support.
1373 2019-04-25 Uroš Bizjak <ubizjak@gmail.com>
1375 * doc/extend.texi (vector_size): Add missing comma after @xref.
1377 2019-04-25 Jakub Jelinek <jakub@redhat.com>
1379 * BASE-VER: Set to 10.0.0.
1381 2019-04-25 Richard Biener <rguenther@suse.de>
1384 * gimplify.c (gimplify_expr): Avoid turning a lvalue
1385 VIEW_CONVERT_EXPR into one operating on an rvalue.
1387 2019-04-25 H.J. Lu <hongjiu.lu@intel.com>
1390 * config/i386/i386.c (feature_priority): Moved to file scope.
1391 (processor_features): Likewise.
1392 (processor_model): Likewise.
1393 (_arch_names_table): Likewise.
1394 (arch_names_table): Likewise.
1395 (_feature_list): Removed.
1396 (feature_list): Likewise.
1397 (_isa_names_table): Moved to file scope. Add priority.
1398 (isa_names_table): Likewise.
1399 (get_builtin_code_for_version): Replace feature_list with
1400 isa_names_table. Update error message for P_ZERO priority.
1402 2019-04-25 Richard Biener <rguenther@suse.de>
1404 * tree-pass.h (make_pass_phi_only_cprop): Remove.
1405 * timevar.def (TV_TREE_PHI_CPROP): Likewise.
1407 2019-04-24 Jeff Law <law@redhat.com>
1409 PR tree-optimization/90037
1410 * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
1411 * passes.def: Replace all instance of phi-only cprop with the
1412 lattice propagator. Move propagation pass from after erroneous
1413 path isolation to before erroneous path isolation.
1414 * tree-ssa-phionlycprop.c: Remove.
1416 2019-04-24 Richard Biener <rguenther@suse.de>
1419 * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
1420 by size and BITS_PER_UNIT on poly-wide-ints.
1422 2019-04-25 Richard Biener <rguenther@suse.de>
1425 * match.pd: Add pattern to simplify view-conversion of an
1428 2019-04-24 Clement Chigot <clement.chigot@atos.net>
1430 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
1431 OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
1432 for Go on 32 bit AIX.
1433 * config/rs6000/aix72.h: Likewise.
1435 2019-04-24 Jakub Jelinek <jakub@redhat.com>
1438 * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
1439 * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
1441 2019-04-24 Andreas Krebbel <krebbel@linux.ibm.com>
1444 * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
1445 from FPRs in reverse order. Generate REG_CFA_DEF_CFA note also
1446 for restored hard frame pointer.
1447 (s390_sched_dependencies_evaluation): Implement new target hook.
1448 (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
1450 2019-04-24 Claudiu Zissulescu <claziss@sysnopsys.com>
1452 * config/arc/arc-options.def: Fix typos and spelling mistakes.
1453 * config/arc/arc.c (arc_init): Cleanup warning message.
1454 (arc_override_options): Likewise.
1456 2019-04-24 Jakub Jelinek <jakub@redhat.com>
1459 * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
1460 a register if both if_true and if_false are MEMs.
1462 PR tree-optimization/90208
1463 * tree-cfg.c (remove_bb): Move forced labels from removed bbs
1464 after labels of new_bb, not before them.
1466 PR tree-optimization/90211
1467 * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
1468 which are not SSA_NAMEs.
1470 2018-04-23 Sudakshina Das <sudi.das@arm.com>
1472 * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
1474 (aarch64_file_end_indicate_exec_stack): Add gnu note section.
1476 2019-04-23 Roman Zhuykov <zhroma@ispras.ru>
1478 PR rtl-optimization/87979
1479 * modulo-sched.c (sms_schedule): Start ii value "mii" should
1482 2019-04-23 Roman Zhuykov <zhroma@ispras.ru>
1484 PR rtl-optimization/84032
1485 * modulo-sched.c (ps_insn_find_column): Change condition so that
1486 branch will always be the last insn in a row inside partial
1489 2019-04-23 Richard Biener <rguenther@suse.de>
1492 * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
1493 dest_single_pred_p argument.
1494 (remove_forwarder_block): Adjust.
1495 (remove_forwarder_block_with_phi): Likewise.
1497 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1498 Bernd Edlinger <bernd.edlinger@hotmail.de>
1499 Jakub Jelinek <jakub@redhat.com>
1502 * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
1503 if used with general-regs-only.
1504 (arm_conditional_register_usage): Don't add non-general regs if
1506 (arm_valid_target_attribute_rec): Handle general-regs-only.
1507 * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
1509 (TARGET_HARD_FLOAT_SUB): Define.
1510 (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
1511 (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
1512 (TARGET_REALLY_IWMMXT2): Likewise.
1513 * config/arm/arm.opt: Add -mgeneral-regs-only.
1514 * doc/extend.texi: Document ARM general-regs-only target.
1515 * doc/invoke.texi: Document ARM -mgeneral-regs-only.
1517 2019-04-23 Bin Cheng <bin.cheng@linux.alibaba.com>
1519 PR tree-optimization/90078
1520 * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
1521 checks for infinite_cost overflow.
1523 2019-04-23 Bin Cheng <bin.cheng@linux.alibaba.com>
1525 PR tree-optimization/90021
1526 * tree-chrec.c (evolution_function_is_univariate_p): New parameter
1527 and check univariate against it.
1528 * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
1529 * tree-data-ref.c (add_other_self_distances): Pass new argument.
1531 2019-04-21 H.J. Lu <hongjiu.lu@intel.com>
1535 2018-11-21 Uros Bizjak <ubizjak@gmail.com>
1538 2013-10-26 Vladimir Makarov <vmakarov@redhat.com>
1541 2013-10-25 Vladimir Makarov <vmakarov@redhat.com>
1543 * lra-spills.c (lra_final_code_change): Remove useless move insns.
1545 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
1547 * config/rs6000/rs6000.md (group_end_nop): Emit insn register
1548 names using operand format, rather than hard-wired.
1549 (speculation_barrier): Likewise.
1551 2019-04-19 Segher Boessenkool <segher@kernel.crashing.org>
1553 PR tree-optimization/88055
1554 * tree-call-cdce.c (comparison_code_if_no_nans): New function.
1555 (gen_one_condition): Use it if !HONOR_NANS.
1557 2019-04-19 Jakub Jelinek <jakub@redhat.com>
1560 * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
1561 assign_temp instead of gen_reg_rtx.
1563 2019-04-19 Christophe Lyon <christophe.lyon@linaro.org>
1565 PR translation/90118
1566 * config/aarch64/aarch64.c (aarch64_override_options_internal):
1567 Add missing space before %<.
1569 2019-04-18 Peter Bergner <bergner@linux.ibm.com>
1571 PR rtl-optimization/87871
1572 * ira-lives.c (make_object_dead): Don't add conflicts to
1573 TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
1575 2019-04-18 Martin Sebor <msebor@redhat.com>
1578 * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
1579 * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
1580 assuming type size fits in SHWI.
1582 2019-04-18 Jan Hubicka <hubicka@ucw.cz>
1585 * ipa-inline.c (flatten_function): New parameter UPDATE.
1586 (ipa_inline, early_inliner): Use it.
1588 2019-04-18 Richard Sandiford <richard.sandiford@arm.com>
1590 * fold-const.c (int_const_binop): Return early on failure.
1592 2019-04-18 Richard Sandiford <richard.sandiford@arm.com>
1595 * combine.c (force_int_to_mode): Cast the argument rather than
1596 the result of known_alignment.
1597 * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
1599 2019-04-18 Richard Biener <rguenther@suse.de>
1602 * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
1604 (remove_forwarder_block): ... here.
1605 (remove_forwarder_block_with_phi): Also move debug stmts here.
1607 2019-04-18 Jakub Jelinek <jakub@redhat.com>
1609 PR translation/79183
1610 * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
1611 inform where appropriate.
1613 2019-04-18 Richard Biener <rguenther@suse.de>
1615 * tree.c (get_qualified_type): Put found type variants at the
1616 head of the variant list.
1618 2018-04-17 Segher Boessenkool <segher@kernel.crashing.org>
1620 * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
1622 2019-04-17 Hongtao Liu <hongtao.liu@intel.com>
1625 * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
1626 _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
1627 _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
1628 _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
1629 _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
1631 2019-04-17 Peter Bergner <bergner@linux.ibm.com>
1633 * ira-conflicts.c (print_allocno_conflicts): Always print something,
1634 even for allocno's with no conflicts.
1635 (print_conflicts): Print an extra newline.
1637 2019-04-17 Segher Boessenkool <segher@kernel.crashing.org>
1639 * auto-inc-dec.c (attempt_change): Set the alignment of the
1640 temporary memory to that of the original.
1642 2019-04-17 Joao Moreira <jmoreira@suse.de>
1644 * targhooks.c (default_print_patchable_function_entry): Emit
1645 __patchable_function_entries section with writable flags to allow
1646 relocation resolution.
1648 2019-04-17 Jonny Grant <jg@jguk.org>
1650 * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
1652 2019-04-17 Jakub Jelinek <jakub@redhat.com>
1655 * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
1658 2019-04-17 Claudiu Zissulescu <claziss@synopsys.com>
1660 * config/arc/arc.c (arc_init): Format diagnostic string.
1661 (arc_override_options): Likewise.
1662 (check_if_valid_regno_const): Likewise.
1663 (arc_reorg): Likewise.
1665 2019-04-17 Segher Boessenkool <segher@kernel.crashing.org>
1668 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
1670 (rs6000_emit_allocate_stack_1): Simplify condition. Adjust pattern
1672 * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
1673 (*movdi_update1): Use Pmode.
1674 (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
1675 (movdi_<mode>_update_stack): Rename to ...
1676 (movdi_update_stack): ... this. Fix comment. Change condition. Don't
1678 (*movsi_update1): Use Pmode.
1679 (*movsi_update2): Use Pmode.
1680 (movsi_update): Rename to ...
1681 (movsi_<mode>_update): ... this. Use Pmode.
1682 (movsi_update_stack): Fix condition.
1683 (*movhi_update1): Use Pmode. Fix argument to
1684 avoiding_indexed_address_p.
1685 (*movhi_update2): Ditto.
1686 (*movhi_update3): Ditto.
1687 (*movhi_update4): Ditto.
1688 (*movqi_update1): Ditto.
1689 (*movqi_update2): Ditto.
1690 (*movqi_update3): Ditto.
1691 (*movsf_update1, *movdf_update1): Merge, rename to...
1692 (*mov<mode>_update1): This. Use Pmode. Fix argument to
1693 avoiding_indexed_address_p. Add "size" attribute.
1694 (*movsf_update2, *movdf_update2): Merge, rename to...
1695 (*mov<mode>_update2): This. Ditto.
1696 (*movsf_update3): Use Pmode. Fix argument to
1697 avoiding_indexed_address_p.
1698 (*movsf_update4): Ditto.
1699 (allocate_stack): Simplify condition. Adjust pattern names.
1701 2019-04-17 Jakub Jelinek <jakub@redhat.com>
1704 * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
1705 whitespace at the start of target attribute string.
1707 2019-04-16 Pat Haugen <pthaugen@us.ibm.com>
1710 * config/rs6000/power9.md: Add store forwarding bypass.
1712 2019-04-16 Alexandre Oliva <aoliva@redhat.com>
1715 * valtrack.c (dead_debug_insert_temp): Reset debug references
1716 to the return value of a call being removed.
1718 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
1720 * config/arc/arc-protos.h (arc_register_move_cost): Remove.
1721 * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
1722 implement target hook.
1723 (arc_memory_move_cost): New function.
1724 (TARGET_REGISTER_MOVE_COST): Define.
1725 (TARGET_MEMORY_MOVE_COST): Likewise.
1726 * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
1727 (MEMORY_MOVE_COST): Likewise.
1729 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
1731 * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
1732 (sibcall_value_insn): Likewise.
1733 * config/arc/constraints.md (Rs5): Remove.
1735 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
1737 * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
1738 for last two fake registers.
1739 (arc_conditional_register_usage): Make sure fake frame and arg
1740 pointer regs are in general regs class.
1741 (FRAME_POINTER_MASK): Remove.
1742 (RETURN_ADDR_MASK): Remove.
1743 (arc_must_save_register): Use hard frame regnum.
1744 (frame_restore_reg): Use hard_frame_pointer_rtx.
1745 (arc_save_callee_saves): Likewise.
1746 (arc_restore_callee_saves): Likewise.
1747 (arc_save_callee_enter): Likewise.
1748 (arc_restore_callee_leave): Likewise.
1749 (arc_save_callee_milli): Likewise.
1750 (arc_eh_return_address_location): Likewise.
1751 (arc_check_multi): Use hard frame regnum.
1752 (arc_can_eliminate): Likewise.
1753 * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
1754 for register allocator.
1755 (REG_CLASS_CONTENTS): Update GENERAL_REGS.
1756 (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
1757 (FRAME_POINTER_REGNUM): Change it to a fake register.
1758 (HARD_FRAME_POINTER_REGNUM): Defined.
1759 (ARG_POINTER_REGNUM): Change it to a new fake register.
1760 (ELIMINABLE_REGS): Update.
1761 (REGISTER_NAMES): Update names.
1762 * config/arc/arc.md (LP_START): Remove.
1764 (shift_si3_loop): Update pattern.
1766 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
1768 * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
1769 to avoid delay slot scheduling.
1770 (arc_must_save_register): Don't save SP.
1771 * config/arc/arc.md (stack_tie): Remove.
1772 (UNSPEC_ARC_STKTIE): Likewise.
1774 2019-04-16 Kito Cheng <kito.cheng@gmail.com>
1775 Shiva Chen <shiva0217@gmail.com>
1777 * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
1778 code gen with large shift amount.
1780 2019-04-16 Chung-Ju Wu <jasonwucj@gmail.com>
1782 * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
1785 2019-04-16 Jakub Jelinek <jakub@redhat.com>
1788 * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
1789 print -m64/-mx32/-m32 if it is true.
1790 (ix86_debug_options, ix86_function_specific_print): Pass true as
1791 ADD_ABI_P to ix86_target_string.
1792 (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
1793 ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
1794 or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
1796 PR rtl-optimization/90082
1797 * dce.c (can_delete_call): New function.
1798 (deletable_insn_p, mark_insn): Use it.
1800 PR tree-optimization/90090
1801 * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
1803 (is_division_by_square): Likewise. Formatting fix.
1805 2019-04-16 Richard Biener <rguenther@suse.de>
1807 PR tree-optimization/56049
1808 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
1809 equality check if alias-set zero will prevail.
1811 2019-04-15 Jeff Law <law@redhat.com>
1813 * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
1814 size and alignment as unsigned.
1816 2019-04-15 Richard Biener <rguenther@suse.de>
1819 * tree-loop-distribution.c (destroy_loop): Preserve correct
1822 2019-04-15 Richard Biener <rguenther@suse.de>
1824 PR tree-optimization/90071
1825 * tree-ssa-reassoc.c (init_range_entry): Do not pick up
1826 abnormal operands from def stmts.
1828 2019-04-15 Segher Boessenkool <segher@kernel.crashing.org>
1830 PR rtl-optimization/89794
1831 * combine.c (count_auto_inc): New function.
1832 (try_combine): Count how many auto_inc expressions there were in the
1833 original instructions. Ensure we have the same number in the new
1834 instructions. Remove the code that tried to ensure auto_inc side
1835 effects on i1 and i0 are not lost.
1837 2019-04-15 Richard Biener <rguenther@suse.de>
1840 * tree.h (auto_var_p): Declare.
1841 * tree.c (auto_var_p): New function, split out from ...
1842 (auto_var_in_fn_p): ... here.
1843 * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
1845 (new_var_info): Initialize it.
1846 (set_uids_in_ptset): Also set the shadow variable uid if required.
1847 (ipa_pta_execute): Postprocess points-to solutions assigning
1848 shadow variable uids for locals that may reach their containing
1849 function recursively.
1850 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
1851 assert but instead check whether the points-to solution is
1854 2019-04-15 Martin Jambor <mjambor@suse.cz>
1857 * cgraph.c (clone_of_p): Loop over clone chain for each step in
1860 2019-04-15 Monk Chiang <sh.chiang04@gmail.com>
1862 * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
1864 2019-04-15 Monk Chiang <sh.chiang04@gmail.com>
1865 Kito Cheng <kito.cheng@gmail.com>
1866 Shiva Chen <shiva0217@gmail.com>
1868 * config/nds32/nds32-md-auxiliary.c
1869 (nds32_legitimize_pic_address): Use new PIC pattern.
1870 (nds32_legitimize_tls_address): Use new TLS pattern.
1871 (nds32_output_symrel): New.
1872 * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
1873 (nds32_alloc_relax_group_id): Ditto.
1874 * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
1875 (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
1877 (nds32_group_tls_insn): Ditto.
1878 (nds32_group_float_insns): Ditto.
1879 * config/nds32/nds32.md (tls_le): New.
1882 2019-04-15 Chung-Ju Wu <jasonwucj@gmail.com>
1884 * configure: Add nds32 target for dwarf2 debug_line checking.
1885 * configure.ac: Regenerated.
1887 2019-04-14 Jan Hubicka <hubicka@ucw.cz>
1890 * ipa-devirt.c (skip_in_fields_list_p): New.
1891 (odr_types_equivalent_p): Use it.
1893 2019-04-13 Jakub Jelinek <jakub@redhat.com>
1896 * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
1897 instead of strncmp when checking for thumb and arm. Formatting fixes.
1899 2019-04-12 Iain Buclaw <ibuclaw@gdcproject.org>
1901 * doc/install.texi: Document --with-target-system-zlib.
1903 2019-04-12 Martin Sebor <msebor@redhat.com>
1909 * targhooks.c (default_vector_alignment): Avoid assuming
1910 argument fits in SHWI.
1911 * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
1913 * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
1915 2019-04-12 Jakub Jelinek <jakub@redhat.com>
1917 PR rtl-optimization/89965
1918 * dce.c: Include rtl-iter.h.
1919 (struct check_argument_load_data): New type.
1920 (check_argument_load): New function.
1921 (find_call_stack_args): Check for loads from stack slots still tracked
1922 in sp_bytes and punt if any is found.
1924 * config/mips/loongson-mmiintrin.h: Fix up #error message.
1926 2019-04-12 Jan Hubicka <hubicka@ucw.cz>
1928 * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
1929 * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
1931 2019-04-12 Martin Liska <mliska@suse.cz>
1934 * multiple_target.c (create_dispatcher_calls): Wrap ifunc
1936 (separate_attrs): Handle multiple 'default's.
1937 (expand_target_clones): Rework error handling code.
1939 2019-04-12 Kelvin Nilsen <kelvin@gcc.gnu.org>
1942 * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
1943 mode of vector rather than mode of destination for move instruction.
1944 * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
1945 Use QI inner mode with V16QI vector mode.
1947 2019-04-12 Jakub Jelinek <jakub@redhat.com>
1950 * config/tilepro/tilepro.c (tilepro_print_operand): Use just
1951 "invalid %%t operand" in output_operand_lossage message.
1953 2019-04-12 Andreas Krebbel <krebbel@linux.ibm.com>
1955 * config/s390/predicates.md (permute_pattern_operand): New
1957 * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
1958 operand for the permute pattern.
1959 ("*vec_perm<mode>"): New insn definition.
1960 ("bswap<mode>"): Generate the permute pattern operand in the
1961 expander and perform the operand reloads for pre arch13 level
1963 ("*bswap<mode>_emu"): Rename to ...
1964 ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
1965 * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
1966 Add the USE operand for the permute pattern.
1967 ("*vec_set_bswap_vec<mode>"): Likewise.
1969 2019-04-12 Jakub Jelinek <jakub@redhat.com>
1972 * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
1973 and gcc_unreachable if it fails, just call tree_to_uhwi which
1974 verifies that too. Test TREE_CHAIN instead of list_length > 1.
1975 Start warning message with a lower-case letter. Formatting fixes.
1977 PR rtl-optimization/90026
1978 * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
1979 successors, look for BARRIERs inside of the whole BB_FOOTER chain
1980 rather than just at the start of it. If e->src BB_FOOTER is not NULL
1981 in cfglayout mode, use emit_barrier_after_bb.
1983 2018-04-11 Steve Ellcey <sellcey@marvell.com>
1985 PR rtl-optimization/87763
1986 * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
1989 2019-04-11 Tom de Vries <tdevries@suse.de>
1991 * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
1992 max macro using statement expression.
1994 2019-04-11 David Edelsohn <dje.gcc@gmail.com>
1996 * xcoffout.h (xcoff_private_rodata_section_name): Declare.
1997 * xcoffout.c (xcoff_private_rodata_section_name): Define.
1998 * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
1999 read_only_private_data_section using xcoff_private_rodata_section_name.
2000 (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
2002 2019-04-11 Christophe Lyon <christophe.lyon@linaro.org>
2005 * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
2007 2019-04-11 Jakub Jelinek <jakub@redhat.com>
2009 PR rtl-optimization/89965
2010 * dce.c (sp_based_mem_offset): New function.
2011 (find_call_stack_args): Use sp_based_mem_offset.
2013 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2015 * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
2017 2019-04-11 Richard Biener <rguenther@suse.de>
2019 PR tree-optimization/90020
2020 * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
2021 * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
2022 * tree-ssa-pre.c (compute_avail): Use it to not put
2023 possibly trapping references after a call that might not
2024 return into EXP_GEN.
2025 * gcse.c (compute_hash_table_work): Do not elide
2026 marking a block containing a call if the call might not
2029 2019-04-11 Richard Biener <rguenther@suse.de>
2031 PR tree-optimization/90018
2032 * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
2033 Test both SLP and interleaving variants.
2035 2019-04-11 Robin Dapp <rdapp@linux.ibm.com>
2037 * config/s390/8561.md: New file.
2038 * config/s390/driver-native.c (s390_host_detect_local_cpu):
2039 Add arch13 cpu model.
2040 * config/s390/s390-opts.h (enum processor_type): Likewise.
2041 * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
2042 (s390_get_unit_mask): Likewise.
2043 (s390_is_fpd): Likewise.
2044 (s390_is_fxd): Likewise.
2045 * config/s390/s390.h (s390_tune_attr): Likewise.
2046 * config/s390/s390.md: Include arch13 pipeline description.
2047 * config/s390/s390.opt: Add arch13.
2049 2018-04-10 Steve Ellcey <sellcey@marvell.com>
2051 PR rtl-optimization/87763
2052 * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
2054 * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
2056 * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
2058 (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
2059 (*aarch64_bfi<GPI:mode>4_noand): Ditto.
2060 (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
2061 (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
2063 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2065 * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
2066 "Although" in -fipa-icf documentation.
2068 * doc/invoke.texi (Debugging Options): Explicitly state the semantics
2069 of using multiple -g options.
2071 2019-04-10 Martin Liska <mliska@suse.cz>
2073 PR gcov-profile/89959
2074 * doc/gcov.texi: Make documentation of -x option
2077 2019-04-10 Richard Biener <rguenther@suse.de>
2079 * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
2081 (DR_GROUP_SAME_DR_STMT): Remove.
2082 * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
2083 * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
2084 replace with assert.
2085 (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
2086 (vect_record_grouped_load_vectors): Remove unreachable code.
2088 2019-04-10 Richard Earnshaw <rearnsha@arm.com>
2091 * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
2092 obsolete reference to N.
2094 2019-04-10 Jakub Jelinek <jakub@redhat.com>
2097 * expr.c (store_expr): Set properly size on the MEM passed to
2101 * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
2102 with strlen in between hostsz-3 and hostsz-1 inclusive when no
2103 translation is needed, and when translation is needed, only append
2104 ... if the string length is hostsz or more bytes long. Avoid using
2107 2019-04-09 Matthew Malcomson <matthew.malcomson@arm.com>
2110 * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
2111 * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
2113 * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
2114 differences directly.
2115 (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
2117 2019-04-09 Jakub Jelinek <jakub@redhat.com>
2119 PR translation/90011
2120 * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
2122 * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
2124 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
2125 * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
2126 * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
2127 trailing space from -gsplit-dwarf diagnostics.
2129 PR tree-optimization/89998
2130 * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
2131 instead of integer_type_node if possible, don't add ranges if return
2132 type is not compatible with int.
2133 * gimple-fold.c (gimple_fold_builtin_sprintf,
2134 gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
2137 2019-04-09 Martin Liska <mliska@suse.cz>
2139 * Makefile.in: Use GENERATOR_CFLAGS for all generators.
2140 * doc/install.texi: Document the new config.
2142 2019-04-09 Richard Sandiford <richard.sandiford@arm.com>
2144 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
2145 use gimple_expr_type for load and store calls. Skip over the
2146 condition argument in a conditional internal function.
2147 Protect use of TREE_INT_CST_LOW.
2149 2019-04-09 Jakub Jelinek <jakub@redhat.com>
2152 * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
2153 (riscv_merge_decl_attributes): Fix typo in diagnostics. Remove
2154 trailing period from it too.
2156 2019-04-08 wu yuan <wuyuan5@huawei.com>
2158 * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
2159 * config/aarch64/aarch64.md : Add "tsv110.md"
2160 * config/aarch64/tsv110.md: New file.
2162 2019-04-08 Richard Biener <rguenther@suse.de>
2164 PR tree-optimization/90006
2165 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
2168 2019-04-08 Andrea Corallo <andrea.corallo@arm.com>
2171 * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
2173 (fma_root_node): Likewise.
2174 (func_fma_steering): Likewise.
2176 2019-04-08 Jakub Jelinek <jakub@redhat.com>
2178 PR rtl-optimization/89865
2179 * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
2181 PR rtl-optimization/89865
2182 * config/i386/i386.md
2183 (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
2184 numbers not to clash with the additional operands[4].
2185 (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
2186 with extra register copy in the middle.
2188 2019-04-08 Martin Liska <mliska@suse.cz>
2190 PR gcov-profile/89961
2191 * doc/gcov.texi: Document data_file.
2192 * gcov.c (generate_results): Add data_info into JSON output.
2194 2019-04-01 Bin Cheng <bin.cheng@linux.alibaba.com>
2196 PR tree-optimization/89725
2197 * tree-chrec.c (chrec_contains_symbols): New parameter. Handle outer
2198 loop's chrec as invariant symbol.
2199 * tree-chrec.h (chrec_contains_symbols): New parameter.
2200 * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
2201 (build_classic_dist_vector_1, add_other_self_distances): Bypass access
2202 function of loops not in DDR's loop_nest.
2203 * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
2205 2019-04-08 Chenghua Xu <paul.hua.gm@gmail.com>
2208 * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
2211 2019-04-07 Uroš Bizjak <ubizjak@gmail.com>
2214 * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2215 Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
2217 2019-04-05 Joern Rennecke <joern.rennecke@embecosm.com>
2219 * sched-deps.c (sched_macro_fuse_insns): Check return value of
2220 targetm.fixed_condition_code_regs.
2222 2019-04-05 Richard Biener <rguenther@suse.de>
2226 * tree-cfgcleanup.c (remove_forwarder_block): Always move
2227 debug bind stmts but reset them if they are not valid at the
2230 2019-04-05 Martin Liska <mliska@suse.cz>
2232 PR translation/89936
2233 * collect-utils.c (collect_execute): Use %< and %>, or %qs in
2234 order to wrap keywords or arguments.
2235 * collect2.c (main): Likewise.
2236 (scan_prog_file): Likewise.
2237 (scan_libraries): Likewise.
2238 * common/config/riscv/riscv-common.c
2239 (riscv_subset_list::parsing_subset_version): Likewise.
2240 (riscv_subset_list::parse_std_ext): Likewise.
2241 * config/aarch64/aarch64.c (aarch64_override_options_internal):
2243 * config/arm/arm.c (arm_option_override): Likewise.
2244 * config/cris/cris.c (cris_print_operand): Likewise.
2245 * config/darwin-c.c (darwin_pragma_options): Likewise.
2246 (darwin_pragma_unused): Likewise.
2247 (darwin_pragma_ms_struct): Likewise.
2248 * config/ft32/ft32.c (ft32_print_operand): Likewise.
2249 * config/i386/i386.c (print_reg): Likewise.
2250 (ix86_print_operand): Likewise.
2251 * config/i386/xm-djgpp.h: Likewise.
2252 * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
2253 * config/m32c/m32c.c (m32c_option_override): Likewise.
2254 * config/msp430/msp430.c (msp430_option_override): Likewise.
2255 * config/nds32/nds32.c (nds32_option_override): Likewise.
2256 * config/nvptx/mkoffload.c (main): Likewise.
2257 * config/rx/rx.c (rx_print_operand): Likewise.
2258 (valid_psw_flag): Likewise.
2259 * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
2260 (vms_pragma_nomember_alignment): Likewise.
2261 (vms_pragma_extern_model): Likewise.
2262 * lto-wrapper.c (compile_offload_image): Likewise.
2263 * omp-offload.c (oacc_parse_default_dims): Likewise.
2264 * symtab.c (symtab_node::verify_base): Likewise.
2265 * tlink.c (recompile_files): Likewise.
2266 (start_tweaking): Likewise.
2267 * tree-profile.c (parse_profile_filter): Likewise.
2269 2019-04-05 Richard Sandiford <richard.sandiford@arm.com>
2271 PR tree-optimization/89956
2272 * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
2273 multiple negates of the same value.
2275 2019-04-04 Martin Sebor <msebor@redhat.com>
2279 * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
2280 have the same precision since the function crashes otherwise.
2281 * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
2282 has non-zero arguments.
2284 2019-04-04 Martin Sebor <msebor@redhat.com>
2287 * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
2288 out if the number of arguments is less than expected.
2290 2019-04-04 Jeff Law <law@redhat.com>
2292 PR rtl-optimization/89399
2293 * ree.c (combine_set_extension): Use single_set rather than
2294 digging into PATTERN for items on the candidate list.
2295 (combine_reaching_defs): Likewise.
2297 2019-04-04 Richard Sandiford <richard.sandiford@arm.com>
2299 PR rtl-optimization/46590
2300 * loop-invariant.c (find_defs): Move df_remove_problem and
2301 df_process_deferred_rescans to move_invariants.
2302 Move df_live_add_problem and df_live_set_all_dirty calls
2304 (move_invariants): Likewise.
2305 (move_loop_invariants): Likewise, making the df_live calls
2306 conditional on -O. Remove the problem again if we added it
2309 2019-04-03 qing zhao <qing.zhao@oracle.com>
2311 PR tree-optimization/89730
2312 * ipa-inline.c (can_inline_edge_p): Delete the checking for
2313 -flive-patching=inline-only-static.
2314 (can_inline_edge_by_limits_p): Add the checking for
2315 -flive-patching=inline-only-static and grant always_inline
2316 even when -flive-patching=inline-only-static is specified.
2318 2019-04-03 Jeff Law <law@redhat.com>
2320 PR rtl-optimization/81025
2321 * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
2323 2019-04-03 Richard Biener <rguenther@suse.de>
2325 PR tree-optimization/84101
2326 * tree-vect-stmts.c: Include explow.h for hard_function_value,
2327 regs.h for hard_regno_nregs.
2328 (cfun_returns): New helper.
2329 (vect_model_store_cost): When vectorizing a store to a decl
2330 we return and the function ABI returns in a multi-reg location
2331 account for the possible spilling that will happen.
2333 2019-04-03 Andreas Krebbel <krebbel@linux.ibm.com>
2335 * config/s390/s390.c (s390_legitimate_address_p): Reject long
2336 displacement addresses for vector mode operands.
2338 2019-04-03 Claudiu Zissulescu <claziss@synopsys.com>
2340 * config/arc/arc.c (GMASK_LEN): Define.
2341 (arc_restore_callee_saves): Restore first blink when
2344 2019-04-03 Sudakshina Das <sudi.das@arm.com>
2346 * doc/extend.texi: Add deprecated comment on sign-return-address
2347 function attribute and add mbranch-protection.
2348 * doc/invoke.texi: Add bti to the options for mbranch-protection.
2350 2019-04-03 Richard Biener <rguenther@suse.de>
2353 * lto-wrapper.c (run_gcc): Avoid implicit rules making
2354 the all target phony.
2356 2019-04-02 Uroš Bizjak <ubizjak@gmail.com>
2360 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
2361 Return false for variable DImode shifts.
2362 (dimode_scalar_chain::compute_convert_gain): Do not handle
2363 register count operand in variable DImode shifts.
2364 (dimode_scalar_chain::make_vector_copies): Remove support to copy
2365 count argument of a variable shift instruction to a vector register.
2366 (dimode_scalar_chain::convert_reg): Remove support to convert
2367 count argument of a variable shift instruction.
2369 2019-04-02 Andrey Belevantsev <abel@ispras.ru>
2371 PR rtl-optimization/84206
2372 * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
2373 iterating over loop headers.
2375 2019-04-02 Andrey Belevantsev <abel@ispras.ru>
2377 PR rtl-optimization/85876
2378 * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
2379 beyond the original fence.
2381 2019-04-02 Ulrich Weigand <uweigand@de.ibm.com>
2383 * config.gcc: Mark spu* targets as deprecated/obsolete.
2385 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2387 * config/s390/s390-builtin-types.def: New builtin function type
2388 definitions. Remove unused types.
2389 * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
2390 (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
2391 (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
2392 overloaded builtins.
2393 (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
2394 (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
2395 * config/s390/vecintrin.h (vec_float): New builtin macro definition.
2396 (vec_double, vec_signed, vec_unsigned): Define to use the new
2397 overloaded builtins.
2398 * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
2401 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2403 * config/s390/s390-builtin-types.def: New builtin function type
2405 * config/s390/s390-builtins.def (s390_vec_search_string_cc)
2406 (s390_vec_search_string_until_zero_cc): New overloaded builtins.
2407 (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
2408 (s390_vstrszh, s390_vstrszf): New low-level builtins.
2409 * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
2410 constant definitions.
2411 * config/s390/vecintrin.h (vec_search_string_cc)
2412 (vec_search_string_until_zero_cc): New builtin name definitions.
2413 * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
2415 ("vec_vstrs<mode>"): New insn definition.
2417 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2419 * config/s390/s390-builtin-types.def: Add new builtin function
2421 * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
2422 New overloaded builtins.
2423 (s390_vec_sldb, s390_vec_srdb): New low-level builtins. and
2425 * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
2426 (UNSPEC_VEC_SLDBYTE): ... this.
2427 (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
2428 * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
2430 * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
2431 Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
2432 ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
2434 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2436 ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
2437 New insn definition.
2438 * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
2439 * config/s390/vector.md (V_HW_HSD): ... here.
2441 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2443 * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
2444 * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
2445 ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
2446 ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
2447 New insn definitions.
2449 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2451 * config/s390/s390-builtin-types.def: Add new builtin function type.
2452 * config/s390/s390-builtins.def: Add overloaded builtin
2453 s390_vec_reve and low-level builtins for s390_vler and s390_vster.
2454 * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
2455 * config/s390/vecintrin.h (vec_reve): New builtin name definition.
2456 * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
2457 ("eltswap<mode>"): New expander.
2458 ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
2461 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2463 * config/s390/s390-builtin-types.def: Add new builtin function types.
2464 * config/s390/s390-builtins.def: Add overloaded builtin
2465 s390_vec_revb. Add low-level builtins for vlbr and vstbr
2467 * config/s390/vecintrin.h (vec_revb): New builtin name definition.
2468 * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
2469 ("bswap<mode>"): New expander.
2470 ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
2472 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2474 * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
2475 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
2476 vector builtin version number in __VEC__.
2478 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2480 * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
2482 (SFSI): New mode attribute.
2483 ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
2484 ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
2486 ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
2487 ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
2488 ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
2489 ("floatsi<mode>2"): Add wcefb instruction.
2491 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2493 * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
2494 * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
2496 ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
2497 ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
2498 support 32 bit fp-int conversions. Rename to ...
2499 ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
2500 ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
2501 ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
2502 ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
2505 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2507 * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
2508 if-then-else constructs if we can use the select instruction.
2509 * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
2511 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2513 * config/s390/s390.md ("*popcountdi_arch13_cc")
2514 ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
2516 ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
2517 Append _z196 to make it ...
2518 ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
2519 ("popcounthi2_z196"): ... this.
2520 ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
2521 ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
2523 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2525 * config/s390/s390.c (s390_canonicalize_comparison): Convert
2526 certain compares for arch13 in order to make use of the condition
2527 code result produced by the new instructions.
2528 (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
2529 nxrk, and nxgrk instruction patterns.
2530 * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
2531 (inv_no): Add new code iterator together with some attributes.
2532 ("*andc_split_<mode>"): Disable splitter for arch13.
2533 ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
2534 ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
2535 ("*<ANDOR:bitops_name>c<GPR:mode>")
2536 ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
2537 ("*n<ANDOR:inv_bitops_name><mode>_cconly")
2538 ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
2539 ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
2541 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
2543 * common/config/s390/s390-common.c (processor_flags_table): New
2545 * config.gcc: Support arch13 with the --with-arch= configure flag.
2546 * config/s390/driver-native.c (s390_host_detect_local_cpu):
2547 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
2548 * config/s390/s390.c (s390_get_sched_attrmask)
2549 (s390_get_unit_mask): Add PROCESSOR_ARCH13.
2550 * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
2551 * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
2552 (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
2553 (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
2555 * config/s390/s390.opt: Support arch13 as processor type in
2556 command line options.
2558 2019-04-02 Martin Liska <mliska@suse.cz>
2560 PR translation/89912
2561 * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
2562 Fix param description of graphite-max-arrays-per-scop.
2564 2019-04-02 Eric Botcazou <ebotcazou@adacore.com>
2566 * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
2567 (ASAN_CC1_SPEC): Use it in 64-bit mode.
2568 * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
2570 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
2572 PR rtl-optimization/85412
2573 * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
2574 sel_sched_region_1, not after.
2576 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
2578 PR rtl-optimization/86928
2579 * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
2580 compute_live if necessary.
2581 (sel_redirect_edge_and_branch): Likewise.
2583 2019-04-01 Vladimir Makarov <vmakarov@redhat.com>
2585 PR rtl-optimization/89865
2586 * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
2587 register if it is a part of small class.
2589 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
2591 PR rtl-optimization/87273
2592 * sel-sched-ir.c (merge_fences): Remove assert.
2594 2019-04-01 Richard Biener <rguenther@suse.de>
2596 PR tree-optimization/46590
2597 * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
2598 (dom_walker::m_reachability): Add in place of...
2599 (dom_walker::m_skip_unreachable_blocks): ...this.
2600 * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
2601 Move complex initialization ...
2602 (dom_walker::walk): Here. Especially compute m_bb_to_rpo
2603 lazily and initialize edge flags on each invocation.
2604 (dom_walker::bb_reachable): Use m_reachability.
2606 2019-04-01 Martin Liska <mliska@suse.cz>
2609 * opt-suggestions.c (option_proposer::build_option_suggestions):
2610 Add variant without any argument in order to provide better
2613 2019-04-01 Richard Biener <rguenther@suse.de>
2616 * gimple.c: Include langhooks.h.
2617 (gimple_get_alias_set): Treat enumeral types as the underlying
2620 2019-03-29 Kugan Vivekanandarajah <kuganv@linaro.org>
2621 Eric Botcazou <ebotcazou@adacore.com>
2623 PR rtl-optimization/89862
2624 * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
2625 that operates on the full registers for WORD_REGISTER_OPERATIONS
2628 2019-03-29 Jim Wilson <jimw@sifive.com>
2630 * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
2631 Clear MASK_RVC and then set if C subset supported.
2633 2019-03-29 Jakub Jelinek <jakub@redhat.com>
2636 * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
2637 non-addressable complit into its initializer if it is volatile.
2639 2019-03-29 Roman Zhuykov <zhroma@ispras.ru>
2641 * opts-common.c (integral_argument): Set errno properly in one case.
2643 2019-03-29 Martin Liska <mliska@suse.cz>
2645 * doc/invoke.texi: Remove -Wchkp from documentation.
2647 2019-03-29 Martin Liska <mliska@suse.cz>
2649 * dbgcnt.c (print_limit_reach): New function.
2652 2019-03-29 Martin Liska <mliska@suse.cz>
2654 * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
2655 (dbg_cnt_process_opt): Parse first tokens aas
2656 dbg_cnt_process_single_pair is also using strtok.
2658 2019-03-29 Jakub Jelinek <jakub@redhat.com>
2660 PR rtl-optimization/87485
2661 * function.c (expand_function_end): Move stack_protect_epilogue
2662 before loading of return value into hard register(s).
2664 2019-03-28 Jakub Jelinek <jakub@redhat.com>
2667 * tree-inline.h (struct copy_body_data): Add
2668 dont_remap_vla_if_no_change flag.
2669 * tree-inline.c (remap_type_3, remap_type_2): New functions.
2670 (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
2671 and remap_type_2 returns false.
2672 * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
2673 Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
2674 only from where it is copied to nested contexts.
2676 2019-03-28 Uroš Bizjak <ubizjak@gmail.com>
2679 * config/i386/i386.md (RMW operation with LEA peephole):
2680 Use LEAMODE mode attribute instead of SWI mode iterator for
2683 2019-03-28 Uroš Bizjak <ubizjak@gmail.com>
2686 * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
2687 Also process XEXP (src, 0) of a shift insn.
2689 2019-03-28 David Malcolm <dmalcolm@redhat.com>
2692 * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
2693 Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
2695 2019-03-28 Jakub Jelinek <jakub@redhat.com>
2697 * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
2699 (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
2700 (pass_cprop_hardreg::execute): Use those. Don't repeat bb processing
2701 immediately after first one with df_analyze in between, but rather
2702 process all bbs, queueing ones that need second pass in a worklist,
2703 df_analyze, process queued debug insn changes and if second pass is
2704 needed, process bbs from worklist, df_analyze, process queued debug
2707 * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
2708 or CALL_P instead of INSN_P && !DEBUG_INSN_P.
2709 (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
2711 2019-03-28 Jonathan Wakely <jwakely@redhat.com>
2714 * gengtype.h (create_nested_ptr_option): Fix parameter names to match
2717 2019-03-27 Mateusz B <mateuszb@poczta.onet.pl>
2720 * config/i386/i386.c (ix86_function_value_1): Call the newly added
2721 function for 32-bit MS_ABI.
2722 (function_value_ms_32): New function.
2724 2019-03-27 Andrew Stubbs <ams@codesourcery.com>
2726 * config/gcn/gcn.md (CC_SAVE_REG): New constant.
2727 (movdi): Call gen_movdi_symbol_save_scc.
2728 (gen_movdi_symbol_save_scc): New insn and split.
2730 2019-03-27 Peter Bergner <bergner@linux.ibm.com>
2732 PR rtl-optimization/89313
2733 * function.c (matching_constraint_num): New static function.
2734 (match_asm_constraints_1): Use it. Fixup white space and comment.
2735 Don't replace inputs with non-matching constraints which conflict
2736 with early clobber outputs.
2738 2019-03-27 Jeff Law <law@redhat.com>
2741 PR rtl-optimization/87761
2742 PR rtl-optimization/89826
2743 * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
2745 (pass_cprop_hardreg::execute): Call df_analyze after adding the
2746 note problem to get REG_DEAD/REG_UNUSED notes updated.
2748 2019-03-27 Richard Biener <rguenther@suse.de>
2750 PR tree-optimization/89463
2751 * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
2752 queue edges to remove.
2753 (eliminate_unnecessary_stmts): Remove dead PHIs alongside
2754 dead stmts. Delay edge removal until PHIs are removed to
2755 make debug-stmt creation not confused by seemingly degenerate
2758 2019-03-27 Alan Modra <amodra@gmail.com>
2760 * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
2762 * config/rs6000/darwin.h: Likewise.
2763 * config/rs6000/rs6000.c: Likewise.
2765 2019-03-27 Alan Modra <amodra@gmail.com>
2767 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
2768 assign rs6000_hard_regno_mode_ok_p[m][r]. Formatting.
2770 2019-03-26 Andrew Waterman <andrew@sifive.com>
2771 Jim Wilson <jimw@sifive.com>
2773 * config/riscv/generic.md (generic_alu, generic_load, generic_store)
2774 (generic_xfer, generic_branch, generic_imul, generic_idivsi)
2775 (generic_idivdi, generic_fmul_single, generic_fmul_double)
2776 (generic_fdiv, generic_fsqrt): Add check for generic tune.
2777 (generic_alu): Add auipc to type list.
2778 * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
2779 (riscv_microarchitecture): Declare.
2780 * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
2781 * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
2783 (riscv_microarchitecture): New.
2784 (sifive_7_tune_info): New.
2785 (riscv_cpu_info_table): Add microarchitecture value for rocket and
2786 size. Add sifive-3-series, sifive-5-series, and sifive-7-series
2788 (riscv_store_data_bypass_p): New.
2789 (riscv_option_override): Set riscv_microarchitecture from
2790 cpu->microarchitecture.
2791 * config/riscv/riscv.md: Include sifive-7.md.
2794 (auipc<mode>): Change type to auipc.
2795 (restore_stack_nonlocal): New.
2796 * config/riscv/sifive-7.md: New.
2797 * doc/invoke.texi (RISC-V Options): Update mtune docs.
2799 2019-03-26 Uroš Bizjak <ubizjak@gmail.com>
2802 * config/i386/i386.c (dimode_scalar_chain::convert_reg):
2803 Also process XEXP (src, 0) of a shift insn.
2805 2019-03-26 Richard Biener <rguenther@suse.de>
2807 * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
2808 (copy_debug_stmt): Likewise.
2809 (expand_call_inline): Likewise.
2810 (copy_bb): Avoid redundant lookup & set of gimple_block.
2811 * gimple-low.c (lower_gimple_return): Likewise.
2812 (lower_builtin_setjmp): Likewise.
2814 2019-03-26 Jakub Jelinek <jakub@redhat.com>
2816 * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
2817 is constant 0, turn into static const data member initialized to false.
2818 (hash_table::hash_table): Only initialize m_gather_mem_stats #if
2819 GATHER_STATISTICS. Add ATTRIBUTE_UNUSED to gather_mem_stats param.
2821 2019-03-26 Jason Merrill <jason@redhat.com>
2822 Jakub Jelinek <jakub@redhat.com>
2824 * mem-stats.h (mem_alloc_description::unregister_descriptor): New
2826 (mem_alloc_description::release_object_overhead): Fix comment typos.
2827 * hash-table.h (hash_table::~hash_table): Call
2828 release_instance_overhead only if m_entries is non-NULL, otherwise
2829 call unregister_descriptor.
2831 2019-03-26 Bin Cheng <bin.cheng@linux.alibaba.com>
2833 PR tree-optimization/81740
2834 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2835 In case of outer loop vectorization, check for backward dependence
2836 at the inner loop if outer loop dependence is reversed.
2838 2019-03-26 Alan Modra <amodra@gmail.com>
2840 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
2841 rs6000_vector_mem init. Correct wI and wJ comment.
2843 2019-03-25 Alexander Monakov <amonakov@ispras.ru>
2845 PR rtl-optimization/88347
2846 PR rtl-optimization/88423
2847 * sched-deps.c (sched_analyze_insn): Take into account that for
2848 tablejumps the barrier appears after a label and a jump_table_data.
2850 2019-03-25 Martin Sebor <msebor@redhat.com>
2853 * c-common.c (check_user_alignment): Rename local. Correct maximum
2854 alignment in diagnostic. Avoid assuming argument fits in SHWI,
2855 convert it to UHWI when it fits.
2857 2019-03-25 Johan Karlsson <johan.karlsson@enea.com>
2860 * dwarf2out.c (premark_used_variables): New function.
2861 (prune_unused_types_walk): Do not mark not premarked external
2863 (prune_unused_types): Call premark_used_variables.
2865 2019-03-25 Vladimir Makarov <vmakarov@redhat.com>
2867 PR rtl-optimization/89676
2868 * lra-constraints.c (curr_insn_transform): Do match reload for
2869 early clobbers when the match was successful only for different
2872 2019-03-25 Martin Sebor <msebor@redhat.com>
2874 * doc/extend.texi (Common Type Attributes): Document vector_size.
2875 (Common Variable Attributes): Mention size constraint. Correct
2877 (Vector Extensions): Use @dfn when defining bas type. Clarify
2878 base type and size constraints.
2880 2019-03-25 Richard Biener <rguenther@suse.de>
2882 PR tree-optimization/89789
2883 * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
2884 changes from non-undefined back to undefined.
2886 2019-03-25 Thomas Otto <thomas.otto@pdv-fs.de>
2888 * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
2889 heap string and a gc string, but since this variable is unknown to
2890 ggc the gc string might get reused and corrupted. Fixed by always
2891 using a heap string.
2893 2019-03-25 Richard Biener <rguenther@suse.de>
2895 PR tree-optimization/89779
2896 * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
2897 to remove IV defs, delay actual removal.
2898 (tree_ssa_iv_optimize_loop): Likewise. Avoid SCEV reset.
2899 (tree_ssa_iv_optimize): Remove eliminated IV defs at the
2900 very end, properly also reset loop control IV information.
2902 2019-03-25 Richard Biener <rguenther@suse.de>
2904 PR tree-optimization/89802
2905 * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
2906 move EH data to folded stmt.
2908 2019-03-25 Andreas Krebbel <krebbel@linux.ibm.com>
2910 * config/s390/s390-builtin-types.def: Remove few unused types and
2911 fix sort order for others.
2913 2019-03-25 Andreas Krebbel <krebbel@linux.ibm.com>
2915 * config/s390/s390-c.c (s390_fn_types_compatible): Print the
2916 expected and found types with -mdebug during builtin matching.
2918 2019-03-25 Richard Biener <rguenther@suse.de>
2921 * fold-const.c (operand_equal_p): Revert last change with
2924 2019-03-24 Segher Boessenkool <segher@kernel.crashing.org>
2926 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
2927 notes for the result of the __tls_get_addr calls.
2928 * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
2930 2019-03-24 Jeff Law <law@redhat.com>
2932 * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
2934 PR rtl-optimization/87761
2935 * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
2936 not INSN. Also check RTX_FRAME_RELATED_P. Queue insns for DF rescan
2938 (pass_cprop_hardreg::execute): Add df note problem and defer insn
2939 rescans. Reprocess blocks as needed, calling df_analyze before
2940 reprocessing. Always call df_analyze before fixing up debug bind
2943 2019-03-23 Segher Boessenkool <segher@kernel.crashing.org>
2945 * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
2948 2019-03-22 Andrew Pinski <apinski@marvell.com>
2950 * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
2951 attrribute for uxtw.
2953 2019-03-26 Jeff Law <law@redhat.com>
2955 PR rtl-optimization/87761
2956 * config/mips/mips-protos.h (mips_split_move): Add new argument.
2957 (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
2958 (mips_split_move): Accept new INSN argument. Try to forward SRC
2959 into the next instruction.
2960 (mips_split_move_insn): Pass INSN through to mips_split_move.
2962 2019-03-22 Vladimir Makarov <vmakarov@redhat.com>
2964 PR rtl-optimization/89676
2965 * lra-constraints.c (curr_insn_transform): Do match reload for
2966 early clobbers even if the match was successful.
2968 2019-03-22 Jakub Jelinek <jakub@redhat.com>
2971 * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
2973 2019-03-22 Bill Schmidt <wschmidt@linux.ibm.com>
2975 * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
2977 2019-03-22 Jakub Jelinek <jakub@redhat.com>
2979 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
2980 <avx512>_fmsub_<mode>_mask3<round_name>,
2981 <avx512>_fnmadd_<mode>_mask3<round_name>,
2982 <avx512>_fnmsub_<mode>_mask3<round_name>,
2983 avx512f_vmfmadd_<mode>_mask3<round_name>,
2984 avx512f_vmfmsub_<mode>_mask3<round_name>,
2985 *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
2986 instead of register_operand and %v instead of v for match_operand 1.
2987 (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
2988 (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this. Use
2989 <round_nimm_predicate> instead of register_operand and %v instead of v
2990 for match_operand 1.
2992 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
2993 <avx512>_fmadd_<mode>_mask3<round_name>,
2994 <avx512>_fmsub_<mode>_mask<round_name>,
2995 <avx512>_fmsub_<mode>_mask3<round_name>,
2996 <avx512>_fnmadd_<mode>_mask<round_name>,
2997 <avx512>_fnmadd_<mode>_mask3<round_name>,
2998 <avx512>_fnmsub_<mode>_mask<round_name>,
2999 <avx512>_fnmsub_<mode>_mask3<round_name>,
3000 <avx512>_fmaddsub_<mode>_mask<round_name>,
3001 <avx512>_fmaddsub_<mode>_mask3<round_name>,
3002 <avx512>_fmsubadd_<mode>_mask<round_name>,
3003 <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
3004 <round_nimm_predicate> instead of nonimmediate_operand.
3005 (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
3006 fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
3007 Use register_operand instead of <round_nimm_predicate> for the
3008 operand that needs to match output.
3009 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
3010 *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
3011 Likewise. Formatting fixes.
3014 * config/i386/i386.c (enum ix86_builtins): Remove
3015 IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
3016 * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
3017 __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
3018 __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
3019 __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
3020 __builtin_ia32_vfmsubss3_mask3): New builtins.
3021 * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
3022 avx512f_vmfmadd_<mode>_mask3<round_name>,
3023 avx512f_vmfmadd_<mode>_maskz_1<round_name>,
3024 *avx512f_vmfmsub_<mode>_mask<round_name>,
3025 avx512f_vmfmsub_<mode>_mask3<round_name>,
3026 *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
3027 *avx512f_vmfnmadd_<mode>_mask<round_name>,
3028 *avx512f_vmfnmadd_<mode>_mask3<round_name>,
3029 *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
3030 *avx512f_vmfnmsub_<mode>_mask<round_name>,
3031 avx512f_vmfnmsub_<mode>_mask3<round_name>,
3032 *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
3033 (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
3034 * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
3035 _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
3036 _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
3037 _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
3038 _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
3039 _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
3040 _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
3041 _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
3042 _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
3043 _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
3044 _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
3045 _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
3046 _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
3047 _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
3048 _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
3049 _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
3050 _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
3051 _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
3052 _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
3053 _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
3055 2019-03-21 Martin Sebor <msebor@redhat.com>
3057 PR tree-optimization/89350
3058 * builtins.c (compute_objsize): Also ignore offsets whose upper
3060 * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
3061 (builtin_memref::builtin_memref): Initialize new member.
3062 Allow EXPR to be null.
3063 (builtin_memref::extend_offset_range): Replace local with a member.
3064 Avoid assuming pointer offsets are unsigned.
3065 (builtin_memref::set_base_and_offset): Determine base object
3066 before computing offset range.
3067 (builtin_access::builtin_access): Handle memset.
3068 (builtin_access::generic_overlap): Replace local with a member.
3069 (builtin_access::strcat_overlap): Same.
3070 (builtin_access::overlap): Same.
3071 (maybe_diag_overlap): Same.
3072 (maybe_diag_access_bounds): Same.
3073 (wrestrict_dom_walker::check_call): Handle memset.
3074 (check_bounds_or_overlap): Same.
3076 2019-03-21 Jan Hubicka <hubicka@ucw.cz>
3077 Jakub Jelinek <jakub@redhat.com>
3080 * tree.c (fld_type_variant, fld_incomplete_type_of,
3081 fld_process_array_type): Call fld->pset.add and don't call
3082 add_tree_to_fld_list if it returns true.
3083 (free_lang_data_in_type): Similarly with self-recursive call. Purge
3084 non-marked types from TYPE_NEXT_VARIANT list.
3085 (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
3087 2019-03-21 Jakub Jelinek <jakub@redhat.com>
3089 * hash-table.h (hash_table): Add Lazy template parameter defaulted
3090 to false, if true, don't alloc_entries during construction, but defer
3091 it to the first method that needs m_entries allocated.
3092 (hash_table::hash_table, hash_table::~hash_table,
3093 hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
3094 hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
3095 hash_table::clear_slot, hash_table::traverse_noresize,
3096 hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
3097 * hash-set.h (hash_set): Add Lazy template parameter defaulted to
3099 (hash_set::contains): If Lazy is true, use find_slot_with_hash with
3100 NO_INSERT instead of find_with_hash.
3101 (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
3102 hash_set::m_table): Add Lazy to template params of hash_table.
3103 (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
3104 * attribs.c (test_attribute_exclusions): Likewise.
3105 * hash-set-tests.c (test_set_of_strings): Add iterator tests for
3106 hash_set. Add tests for hash_set with Lazy = true.
3108 2019-03-21 Richard Biener <rguenther@suse.de>
3110 PR tree-optimization/89779
3111 * tree.c (tree_nop_conversion): Consolidate and fix defensive
3112 checks with respect to released SSA names now having error_mark_node
3114 * fold-const.c (operand_equal_p): Likewise.
3116 2019-03-20 Andreas Krebbel <krebbel@linux.ibm.com>
3119 * config/s390/s390.c (global_not_special_regno_p): Move to make it
3121 (s390_optimize_register_info): Use global_not_special_regno_p to
3122 check for global regs.
3124 2019-03-20 Jakub Jelinek <jakub@redhat.com>
3127 * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
3128 update this_alternative nor this_alternative_set.
3130 2019-03-19 Jim Wilson <jimw@sifive.com>
3133 * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x. New locals
3134 align, size, offset. Use them to handle a BLKmode reference. Update
3136 (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
3138 2019-03-19 Jakub Jelinek <jakub@redhat.com>
3140 PR rtl-optimization/89768
3141 * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
3143 (unroll_loop_runtime_iterations): Likewise.
3145 2019-03-19 Martin Sebor <msebor@redhat.com>
3147 PR tree-optimization/89644
3148 * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
3149 rather than endptr as an indicator of nul-termination.
3151 PR tree-optimization/89644
3152 * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
3153 arrays in determining sequence sizes in strncpy and stpncpy.
3155 2019-03-19 Martin Liska <mliska@suse.cz>
3158 * predict.c (combine_predictions_for_bb): Empty likely_edges and
3159 unlikely_edges if there's an edge that belongs to both these sets.
3161 2018-03-19 Segher Boessenkool <segher@kernel.crashing.org>
3164 * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
3165 non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
3166 go via a stack temporary.
3168 2019-03-19 Jakub Jelinek <jakub@redhat.com>
3171 * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
3172 instead of gen_rtx_SUBREG.
3173 * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
3175 2019-03-19 Richard Biener <rguenther@suse.de>
3178 * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
3180 2019-03-19 Jan Hubicka <hubicka@ucw.cz>
3184 * tree.c (free_lang_data_in_decl): Do not free context of C++
3187 2019-03-19 Jakub Jelinek <jakub@redhat.com>
3190 * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
3191 subs for the first alternative except when operands[3] is 1.
3194 * gimplify.c (gimplify_asm_expr): For output argument with
3195 TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
3198 2019-03-19 Eric Botcazou <ebotcazou@adacore.com>
3200 PR rtl-optimization/89753
3201 * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
3202 explicit unrolling factor even more robust.
3204 2019-03-19 Jakub Jelinek <jakub@redhat.com>
3207 * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
3208 compensation use x2 += 1 instead of x2 -= -1 and when honoring
3209 signed zeros, do another copysign after the compensation.
3211 2019-03-18 Martin Sebor <msebor@redhat.com>
3213 PR tree-optimization/89720
3214 * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
3215 more conservatively, the same as anti-range.
3217 2019-03-18 Richard Biener <rguenther@suse.de>
3220 * tree-ssanames.c (release_ssa_name_fn): For released SSA names
3221 use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
3222 basic-blocks that are removed. Remove restoring SSA_NAME_VAR.
3223 * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
3225 2019-03-18 Andrew Stubbs <ams@codesourcery.com>
3227 * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
3228 Extend queue to 1024 entries.
3229 Add "consumed" field.
3230 (gomp_print_output): Remove print_index parameter.
3231 Add final parameter.
3232 Change limit to unsigned.
3233 Use consumed field to implement circular buffer.
3234 Detect interrupted print in final pass.
3235 Flush output at the end.
3236 (run): Update gomp_print_output usage.
3237 (main): Initialize kernargs->output_data.consumed.
3239 2019-03-18 Richard Sandiford <richard.sandiford@arm.com>
3241 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
3242 calculation of the minimum number of scalar iterations for
3243 fully-predicated loops.
3245 2019-03-18 Martin Jambor <mjambor@suse.cz>
3247 PR tree-optimization/89546
3248 * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
3249 any propagation to its children took place.
3251 2019-03-18 Andrew Burgess <andrew.burgess@embecosm.com>
3254 * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
3255 parameter, and make use of it.
3256 (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
3258 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
3260 * config/arc/arc.opt (mcode-density-frame): Get the inital value
3261 from TARGET_CODE_DENSITY_FRAME_DEFAULT.
3262 * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
3263 * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
3264 * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
3265 match what the ops is doing.
3266 (push_multi_fp_blink): Likewise.
3267 * config/arc/arc.c (arc_override_options): Enable enter/leave when
3268 compiling for size and elf target.
3269 (arc_save_callee_enter): Adjust note to match what enter/leave
3272 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
3274 * config/arc/arc.md (tst_movb): Fix constraint.
3276 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
3278 * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
3280 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
3282 * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
3283 * config/arc/arc.c (arc_conditional_register_usage): Remove all
3284 reg_alloc_order references.
3285 (size_alloc_order): Define.
3286 (arc_adjust_reg_alloc_order): New function.
3287 * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
3289 (ADJUST_REG_ALLOC_ORDER): Define.
3290 (HONOR_REG_ALLOC_ORDER): Likewise.
3292 2019-03-18 Richard Biener <rguenther@suse.de>
3295 * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
3296 loads and stores a bit more.
3298 2019-03-18 Richard Biener <rguenther@suse.de>
3301 * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
3302 load pessimization to stores as well.
3304 2019-03-18 Andrey Belevantsev <abel@ispras.ru>
3307 * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
3308 successor, use NULL as its av set.
3310 2019-03-15 Segher Boessenkool <segher@kernel.crashing.org>
3312 PR rtl-optimization/89721
3313 * lra-constraints (invariant_p): Return false if side_effects_p holds.
3315 2019-03-15 Kelvin Nilsen <kelvin@gcc.gnu.org>
3318 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3319 When handling vec_extract, use modular arithmetic to allow
3320 constant selectors greater than vector length.
3321 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
3322 V1TImode vectors to have constant selector values greater than 0.
3323 Use modular arithmetic to compute vector index.
3324 (rs6000_split_vec_extract_var): Use modular arithmetic to compute
3325 index for in-memory vectors. Correct code generation for
3326 in-register vectors.
3327 (altivec_expand_vec_ext_builtin): Use modular arithmetic to
3330 2019-03-15 Alexandre Oliva <aoliva@redhat.com>
3334 * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
3337 2019-03-15 Jakub Jelinek <jakub@redhat.com>
3340 * tree.c (inchash::add_expr): Strip any location wrappers.
3341 * fold-const.c (operand_equal_p): Move stripping of location wrapper
3342 after hash verification.
3345 * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
3346 SIGN_EXTEND and ZERO_EXTEND.
3348 2019-03-14 Jason Merrill <jason@redhat.com>
3349 Jakub Jelinek <jakub@redhat.com>
3351 * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
3352 than if is_empty (*slot).
3353 * hash-set-tests.c (test_set_of_strings): Add tests for addition of
3354 existing elt and for elt removal.
3355 * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
3356 of already removed elt.
3358 2019-03-15 H.J. Lu <hongjiu.lu@intel.com>
3361 * config/i386/i386.c (remove_partial_avx_dependency): Handle
3364 2019-03-14 Martin Liska <mliska@suse.cz>
3367 * doc/invoke.texi: Remove -fdump-class-hierarchy option.
3369 2019-03-14 Richard Biener <rguenther@suse.de>
3372 * config/i386/i386.c (make_resolver_func): Properly set
3373 DECL_CONTEXT on the RESULT_DECL.
3374 * config/rs6000/rs6000.c (make_resolver_func): Likewise.
3376 2019-03-14 Richard Biener <rguenther@suse.de>
3378 * gimple-pretty-print.c: Include cfgloop.h.
3379 (dump_gimple_phi): Adjust.
3380 (dump_gimple_bb_header): Dump loop header for GIMPLE.
3381 (pp_cfg_jump): Adjust.
3382 (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
3383 * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
3384 (lower_phi_internal_fn): Remove.
3385 (verify_gimple_call): Remove IFN_PHI special-casing.
3386 (dump_function_to_file): Dump IL state.
3387 * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
3388 done to deal with PHI nodes being present in non-SSA state.
3390 2019-03-14 Jakub Jelinek <jakub@redhat.com>
3393 * multiple_target.c (create_dispatcher_calls): Change
3394 references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
3395 In the node->iterate_referring loop, push *ref rather than ref, call
3396 ref->remove_reference () and always pass 0 to iterate_referring.
3398 PR rtl-optimization/89679
3399 * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
3400 would contain a paradoxical SUBREG.
3402 2019-03-14 Richard Biener <rguenther@suse.de>
3404 PR tree-optimization/89710
3405 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
3408 2019-03-14 Martin Liska <mliska@suse.cz>
3410 * coverage.c (coverage_begin_function): Stream also
3412 * doc/gcov.texi: Document 2 new fields in JSON file. Improve
3413 documentation about function declaration location.
3414 * gcov-dump.c (tag_function): Print whole range
3415 of function declaration.
3416 * gcov.c (struct function_info): Add end_column field.
3417 (function_info::function_info): Initialize it.
3418 (output_json_intermediate_file): Output {start,end}_column
3420 (read_graph_file): Read end_column.
3422 2019-03-14 Richard Biener <rguenther@suse.de>
3425 * fold-const.c (operand_equal_p): For INDIRECT_REF check
3426 that the access types are similar.
3428 2019-03-14 Jakub Jelinek <jakub@redhat.com>
3430 PR tree-optimization/89703
3431 * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
3432 aren't compatible also with builtin_decl_explicit. Check pure
3433 or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
3434 and BUILT_IN_STPNCPY{,_CHK}.
3436 2019-03-14 H.J. Lu <hongjiu.lu@intel.com>
3439 * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
3440 addr32 prefix to VSIB address for X32.
3441 * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
3443 (*avx512pf_gatherpf<mode>df_mask): Likewise.
3444 (*avx512pf_scatterpf<mode>sf_mask): Likewise.
3445 (*avx512pf_scatterpf<mode>df_mask): Likewise.
3446 (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
3447 (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
3448 (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
3449 (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
3450 (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
3451 (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
3452 (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
3453 (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
3454 (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
3455 (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
3456 (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
3457 (*avx512f_scatterdi<mode>): Likewise.
3459 2019-03-13 Vladimir Makarov <vmakarov@redhat.com>
3462 * lra-constraints.c (inherit_in_ebb): Update
3463 potential_reload_hard_regs along with live_hard_regs.
3465 2019-03-13 Jakub Jelinek <jakub@redhat.com>
3468 * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
3470 (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
3472 2019-03-13 Martin Sebor <msebor@redhat.com>
3474 PR tree-optimization/89662
3475 * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
3478 2019-03-13 Richard Biener <rguenther@suse.de>
3481 * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
3482 throw FP expressions at tree-affine.
3484 2019-03-14 Richard Biener <rguenther@suse.de>
3486 * tree-pretty-print.c (dump_generic_node): For -gimple properly
3487 dump negative integer constants using _Literal (type) -num.
3489 2019-03-13 Jakub Jelinek <jakub@redhat.com>
3491 * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
3492 nonlocal_value member.
3495 * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
3496 (ipa_simd_modify_function_body): Handle PHIs.
3498 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
3500 * config/s390/s390.c (s390_option_override_internal): Use more
3501 aggressive inlining parameters.
3503 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
3505 * config/s390/3906.md: New file.
3506 * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
3507 (LONGRUNNING_THRESHOLD): Remove.
3508 (MAX_SCHED_MIX_SCORE): Decrease.
3509 (MAX_SCHED_MIX_DISTANCE): Decrease.
3510 (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
3511 (struct s390_sched_state): New struct to hold scheduling state.
3512 (S390_SCHED_STATE_NORMAL): Remove.
3513 (S390_SCHED_STATE_CRACKED): Remove.
3514 (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
3515 (s390_get_sched_attrmask): Use new attribute.
3516 (s390_get_unit_mask): Use new units.
3517 (s390_is_fpd): New function.
3518 (s390_is_fxd): New function.
3519 (s390_is_longrunning): New function.
3520 (s390_sched_score): Use new functions.
3521 (s390_sched_reorder): Likewise.
3522 (s390_sched_variable_issue): Rework and use new functions.
3523 (s390_sched_init): Use new functions.
3524 * config/s390/s390.h (s390_tune_attr): Add z14.
3525 * config/s390/s390.md: Add z14.
3527 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
3529 * config/s390/2964.md: Update pipeline description.
3530 * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
3531 (LONGRUNNING_THRESHOLD): Remove.
3532 (LATENCY_FACTOR): Remove.
3533 (s390_get_unit_mask): Add unit.
3534 (s390_sched_score): Use fxd/fpd.
3535 (s390_sched_variable_issue): Use fxd/fpd.
3537 2019-03-12 Martin Liska <mliska@suse.cz>
3539 * config/i386/i386.c: Reword an error message.
3541 2019-03-12 Martin Jambor <mjambor@suse.cz>
3543 * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
3544 terminate with newline.
3546 2019-03-12 Jakub Jelinek <jakub@redhat.com>
3549 * config/s390/s390.md (tabort): Use %wd instead of
3550 HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
3551 letters and periods.
3552 * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
3553 output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
3557 * builtins.c (expand_builtin_int_roundingfn,
3558 expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
3559 gcc_unreachable if validate_arglist fails.
3561 2019-03-12 Richard Biener <rguenther@suse.de>
3563 PR tree-optimization/89664
3564 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
3565 free the occurance tree after the early out.
3567 2019-03-11 Jakub Jelinek <jakub@redhat.com>
3571 * vr-values.c (vr_values::update_value_range): If
3572 old_vr->varying_p (), don't update it, make new_vr also VARYING
3575 2019-03-11 Martin Liska <mliska@suse.cz>
3577 * config/aarch64/aarch64.c (aarch64_override_options_internal):
3578 Fix double string quoting.
3580 2019-03-11 Martin Liska <mliska@suse.cz>
3582 * collect-utils.c (collect_wait): Wrap apostrophes
3583 in gcc internal format with %'.
3584 * collect2.c (main): Likewise.
3585 (scan_prog_file): Likewise.
3586 (scan_libraries): Likewise.
3587 * config/i386/i386.c (ix86_expand_call): Likewise.
3588 (ix86_handle_interrupt_attribute): Likewise.
3589 * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
3590 * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
3591 * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
3592 * lto-wrapper.c (find_crtoffloadtable): Likewise.
3593 * symtab.c (symtab_node::verify_base): Likewise.
3594 * tree-cfg.c (verify_gimple_label): Likewise.
3595 * tree.c (verify_type_variant): Likewise.
3597 2019-03-11 Martin Liska <mliska@suse.cz>
3599 * builtins.c (expand_builtin_thread_pointer): Wrap an option name
3600 in a string format message and fix GNU coding style.
3601 (expand_builtin_set_thread_pointer): Likewise.
3602 * common/config/aarch64/aarch64-common.c
3603 (aarch64_rewrite_selected_cpu): Likewise.
3604 * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
3605 * common/config/arc/arc-common.c (arc_handle_option): Likewise.
3606 * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
3607 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
3608 * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
3609 * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
3610 * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
3611 * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
3612 * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
3613 * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
3615 * common/config/riscv/riscv-common.c
3616 (riscv_subset_list::parsing_subset_version): Likewise.
3617 (riscv_subset_list::parse_std_ext): Likewise.
3618 (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
3619 (riscv_subset_list::parse): Likewise.
3620 * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
3621 * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
3622 (aarch64_override_options_internal): Likewise.
3623 (aarch64_validate_mcpu): Likewise.
3624 (aarch64_validate_march): Likewise.
3625 (aarch64_validate_mtune): Likewise.
3626 (aarch64_override_options): Likewise.
3627 * config/alpha/alpha.c (alpha_option_override): Likewise.
3628 * config/arc/arc.c (arc_init): Likewise.
3629 (parse_mrgf_banked_regs_option): Likewise.
3630 (arc_override_options): Likewise.
3631 (arc_expand_builtin_aligned): Likewise.
3632 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
3633 (arm_expand_builtin): Likewise.
3634 * config/arm/arm.c (arm_option_check_internal): Likewise.
3635 (arm_configure_build_target): Likewise.
3636 (arm_option_override): Likewise.
3637 (arm_options_perform_arch_sanity_checks): Likewise.
3638 (arm_handle_cmse_nonsecure_entry): Likewise.
3639 (arm_handle_cmse_nonsecure_call): Likewise.
3640 (arm_tls_referenced_p): Likewise.
3641 (thumb1_expand_prologue): Likewise.
3642 * config/avr/avr.c (avr_option_override): Likewise.
3643 * config/bfin/bfin.c (bfin_option_override): Likewise.
3644 * config/c6x/c6x.c (c6x_option_override): Likewise.
3645 * config/cr16/cr16.c (cr16_override_options): Likewise.
3646 * config/cris/cris.c (cris_option_override): Likewise.
3647 * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
3648 * config/darwin-c.c (macosx_version_as_macro): Likewise.
3649 * config/darwin.c (darwin_override_options): Likewise.
3650 * config/frv/frv.c (frv_expand_builtin): Likewise.
3651 * config/h8300/h8300.c (h8300_option_override): Likewise.
3652 * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
3653 (ix86_option_override_internal): Likewise.
3654 (warn_once_call_ms2sysv_xlogues): Likewise.
3655 (ix86_expand_prologue): Likewise.
3656 (split_stack_prologue_scratch_regno): Likewise.
3657 (ix86_warn_parameter_passing_abi): Likewise.
3658 * config/ia64/ia64.c (fix_range): Likewise.
3659 * config/m68k/m68k.c (m68k_option_override): Likewise.
3660 * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
3661 * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
3662 (mips_set_compression_mode): Likewise.
3663 * config/mmix/mmix.c (mmix_option_override): Likewise.
3664 * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
3665 * config/msp430/msp430.c (msp430_option_override): Likewise.
3666 * config/nds32/nds32.c (nds32_option_override): Likewise.
3667 * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
3668 (nios2_option_override): Likewise.
3669 (nios2_expand_custom_builtin): Likewise.
3670 * config/nvptx/mkoffload.c (main): Likewise.
3671 * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
3672 * config/pa/pa.c (fix_range): Likewise.
3673 (pa_option_override): Likewise.
3674 * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
3675 (riscv_option_override): Likewise.
3676 * config/rl78/rl78.c (rl78_option_override): Likewise.
3677 * config/rs6000/aix61.h: Likewise.
3678 * config/rs6000/aix71.h: Likewise.
3679 * config/rs6000/aix72.h: Likewise.
3680 * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
3681 * config/rs6000/freebsd64.h: Likewise.
3682 * config/rs6000/linux64.h: Likewise.
3683 * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
3684 (rs6000_expand_zeroop_builtin): Likewise.
3685 (rs6000_expand_mtfsb_builtin): Likewise.
3686 (rs6000_expand_set_fpscr_rn_builtin): Likewise.
3687 (rs6000_expand_set_fpscr_drn_builtin): Likewise.
3688 (rs6000_invalid_builtin): Likewise.
3689 (rs6000_expand_split_stack_prologue): Likewise.
3690 * config/rs6000/rtems.h: Likewise.
3691 * config/rx/rx.c (valid_psw_flag): Likewise.
3692 (rx_expand_builtin): Likewise.
3693 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
3694 * config/s390/s390.c (s390_expand_builtin): Likewise.
3695 (s390_function_profiler): Likewise.
3696 (s390_option_override_internal): Likewise.
3697 (s390_option_override): Likewise.
3698 * config/sh/sh.c (sh_option_override): Likewise.
3699 (sh_builtin_saveregs): Likewise.
3700 (sh_fix_range): Likewise.
3701 * config/sh/vxworks.h: Likewise.
3702 * config/sparc/sparc.c (sparc_option_override): Likewise.
3703 * config/spu/spu.c (spu_option_override): Likewise.
3704 (fix_range): Likewise.
3705 * config/visium/visium.c (visium_option_override): Likewise.
3706 (visium_handle_interrupt_attr): Likewise.
3707 * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
3708 * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
3709 (dbg_cnt_process_opt): Likewise.
3710 * dwarf2out.c (output_dwarf_version): Likewise.
3711 * except.c (expand_eh_return): Likewise.
3712 * gcc.c (defined): Likewise.
3713 (driver_handle_option): Likewise.
3714 (process_command): Likewise.
3715 (compare_files): Likewise.
3716 (driver::prepare_infiles): Likewise.
3717 (driver::do_spec_on_infiles): Likewise.
3718 (driver::maybe_run_linker): Likewise.
3719 * omp-offload.c (oacc_parse_default_dims): Likewise.
3720 * opts-global.c (handle_common_deferred_options): Likewise.
3721 * opts.c (parse_sanitizer_options): Likewise.
3722 (common_handle_option): Likewise.
3723 (enable_warning_as_error): Likewise.
3724 * passes.c (enable_disable_pass): Likewise.
3725 * plugin.c (parse_plugin_arg_opt): Likewise.
3726 (default_plugin_dir_name): Likewise.
3727 * targhooks.c (default_expand_builtin_saveregs): Likewise.
3728 (default_pch_valid_p): Likewise.
3729 * toplev.c (init_asm_output): Likewise.
3730 (process_options): Likewise.
3731 (toplev::run_self_tests): Likewise.
3732 * tree-cfg.c (verify_gimple_call): Likewise.
3733 * tree-inline.c (inline_forbidden_p_stmt): Likewise.
3734 (tree_inlinable_function_p): Likewise.
3735 * var-tracking.c (vt_find_locations): Likewise.
3737 2019-03-11 Andreas Krebbel <krebbel@linux.ibm.com>
3739 * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
3740 only on the else branch.
3742 2019-03-11 Martin Liska <mliska@suse.cz>
3744 * gcov.c (output_intermediate_json_line): Print function
3746 (output_json_intermediate_file): Add new argument.
3747 * doc/gcov.texi: Document the change.
3749 2019-03-11 Eric Botcazou <ebotcazou@adacore.com>
3751 PR rtl-optimization/89588
3752 * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
3753 explicit unrolling factor more robust.
3755 2019-03-11 Richard Biener <rguenther@suse.de>
3757 PR tree-optimization/89649
3758 * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
3759 * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
3760 on the prolog and epilog loops.
3761 (vect_loop_versioning): Return copy of loop.
3762 * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
3763 on the non-vectorized version of the loop.
3765 2019-03-10 Uroš Bizjak <ubizjak@gmail.com>
3768 * config/i386/sse.md (*vec_extractv2di_0_sse):
3769 Add (=r,x) alternative and corresponding splitter.
3771 2019-03-10 Martin Jambor <mjambor@suse.cz>
3773 PR tree-optimization/85762
3774 PR tree-optimization/87008
3775 PR tree-optimization/85459
3776 * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
3777 it points to if there is a type changing MEM_REF. Adjust all callers.
3778 (build_accesses_from_assign): Disable total scalarization if
3779 contains_vce_or_bfcref_p returns true through the new parameter, for
3782 2019-03-09 Jakub Jelinek <jakub@redhat.com>
3785 * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
3786 dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
3789 * common.opt (fdiagnostics-show-labels,
3790 fdiagnostics-show-line-numbers, fdiagnostics-format=,
3791 fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
3792 gas-locview-support, ginline-points, ginternal-reset-location-views):
3793 Terminate description text with a dot.
3794 * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
3795 * config/mcore/mcore.opt (m210, m340): Likewise.
3796 * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
3797 mnops=): Start description text with a capital letter.
3798 * config/arc/arc.opt (msize-level=): Likewise.
3799 * config/sh/sh.opt (minline-ic_invalidate): Likewise.
3800 * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
3802 * config/ft32/ft32.opt (msim): Likewise.
3803 (mft32b, mcompress): Likewise. Terminate description text with a dot.
3804 (mnodiv, mnopm): Terminate description text with a dot.
3805 * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
3807 * config/i386/i386.opt (prefer_vector_width, instrument_return):
3809 * config/rx/rx.opt (nofpu): Remove trailing spaces from description
3812 PR rtl-optimization/89634
3813 * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
3814 are modified in BB_END (e->src) instruction.
3816 2019-03-08 David Malcolm <dmalcolm@redhat.com>
3819 * config/i386/i386.c (ix86_set_current_function): Make "sorry"
3820 messages more amenable to translation, and improve wording.
3822 2019-03-08 Bill Schmidt <wschmidt@linux.ibm.com>
3824 * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
3825 ud- and du-chains between phases.
3827 2019-03-08 Richard Sandiford <richard.sandiford@arm.com>
3830 * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
3831 instead of POLY_INT_CST.
3833 2019-03-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
3835 * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
3838 2019-03-08 Uroš Bizjak <ubizjak@gmail.com>
3843 * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
3844 (_mm_storeu_si64): Ditto.
3846 2019-03-08 Martin Liska <mliska@suse.cz>
3849 * config/i386/i386.c (ix86_option_override_internal): Disable
3850 jump tables when retpolines are used.
3852 2019-03-08 Jan Hubicka <hubicka@ucw.cz>
3855 * ipa-split.c (execute_split_functions): Do not split
3856 'noinline' or 'section' function.
3858 2019-03-08 Jakub Jelinek <jakub@redhat.com>
3861 * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
3862 HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
3863 HOST_WIDE_INT_PRINT_DEC. Formatting fixes.
3866 * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3867 from diagnostics. Formatting fixes.
3870 * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
3871 warn_odr diagnostics.
3874 * lra-constraints.c (process_alt_operands): Avoid one space before
3875 " at the end of line and another after " on another line in a string
3877 * attribs.c (handle_dll_attribute): Likewise.
3878 * config/avr/avr-devices.c (avr_texinfo): Likewise.
3880 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
3881 warning_at or inform messages in G_() if there is no ?:.
3883 PR tree-optimization/89550
3884 * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
3885 returned true. Formatting fixes.
3886 (expand_builtin_strnlen): Formatting fixes.
3887 * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
3888 if warning_at returned true.
3889 * tree-cfg.c (pass_warn_function_return::execute): Likewise.
3891 2019-03-08 Richard Biener <rguenther@suse.de>
3894 * cfgloop.h (struct loop): Add owned_clique field.
3895 * cfgloopmanip.c (copy_loop_info): Copy it.
3896 * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
3898 * tree-inline.c (copy_loops): Remap owned_clique.
3899 * lto-streamer-in.c (input_cfg): Stream owned_clique.
3900 * lto-streamer-out.c (output_cfg): Likewise.
3902 2019-03-08 Jakub Jelinek <jakub@redhat.com>
3905 * config/darwin.c: Include intl.h.
3906 (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
3907 composing the message out of two separate parts.
3909 2019-03-07 Jakub Jelinek <jakub@redhat.com>
3912 * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
3913 doesn't start with a capital letter and doesn't end with a dot.
3914 (ix86_function_arg_boundary): Make sure diagnostics doesn't start
3915 with a capital letter.
3916 (ix86_mangle_function_version_assembler_name): Likewise.
3917 (ix86_generate_version_dispatcher_body): Likewise.
3918 (fold_builtin_cpu): Likewise.
3919 (get_builtin_code_for_version): Likewise. Remove extraneous space.
3920 (ix86_handle_interrupt_attribute): Make the diagnostics easier for
3921 translators, wrap full type name in %qs.
3923 PR translation/79999
3924 * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
3925 depend clause with source (or sink) modifier.
3926 * omp-expand.c (expand_omp_ordered_sink): Likewise.
3929 * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
3930 *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
3931 (avx512f_load<mode>_mask): New define_expand.
3932 * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
3933 __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
3934 __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
3935 __builtin_ia32_movess_mask): New builtins.
3936 * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
3937 _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
3938 _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
3939 _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
3941 2019-03-07 Martin Jambor <mjambor@suse.cz>
3944 * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
3945 for extern inline functions.
3947 2019-03-07 Martin Jambor <mjambor@suse.cz>
3950 * cgraph.h (cgraph_node): New inline method former_thunk_p.
3951 * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
3952 (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
3953 have multiple callees. At the end check if declarations match as
3954 opposed to cgraph_nodes.
3956 2019-03-07 Martin Liska <mliska@suse.cz>
3958 * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
3959 which is equivalent to searching for this in clones chain.
3960 * symtab.c (symtab_node::verify_base): Similarly compare ASM
3961 names with a neighbour and special case first node in a chain.
3963 2019-01-25 Jason Merrill <jason@redhat.com>
3965 PR c++/80916 - spurious "static but not defined" warning.
3966 * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
3967 for an internal symbol with DECL_EXTERNAL.
3969 2019-04-07 Richard Biener <rguenther@suse.de>
3972 * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
3973 * tree-inline.c (copy_loops): Simplify.
3975 2019-03-07 Martin Liska <mliska@suse.cz>
3977 * dwarf2out.c (add_AT_vms_delta): Revert function removal.
3979 2019-03-07 Richard Biener <rguenther@suse.de>
3981 PR tree-optimization/89595
3982 * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
3983 stmt iterator as reference, take boolean output parameter to
3984 indicate whether the stmt was removed and thus the iterator
3986 (dom_opt_dom_walker::before_dom_children): Re-iterate over
3987 stmts created by folding.
3989 2019-03-07 Jakub Jelinek <jakub@redhat.com>
3992 * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
3995 2019-03-06 Peter Bergner <bergner@linux.ibm.com>
3997 PR rtl-optimization/88845
3998 * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
4000 * lra.c (remove_scratches_1): New function.
4001 (remove_scratches): Use it.
4002 (lra_emit_move): Likewise.
4004 2019-03-06 Claudiu Zissulescu <claziss@synopsys.com>
4006 * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
4007 unaligned_access variable.
4008 * config/arc/arc.c (arc_override_options): Set unaligned access
4009 default on for HS CPUs.
4010 * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
4012 2019-03-06 Martin Liska <mliska@suse.cz>
4014 PR gcov-profile/89577
4015 * doc/gcov.texi: Prefer to use --coverage.
4016 * doc/sourcebuild.texi: Likewise.
4018 2019-03-02 Jason Merrill <jason@redhat.com>
4020 PR c++/86485 - -Wmaybe-unused with empty class ?:
4021 * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
4023 2019-03-05 Jakub Jelinek <jakub@redhat.com>
4026 * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
4030 * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
4031 exactly one argument.
4033 2019-03-05 Jakub Jelinek <jakub@redhat.com>
4034 Richard Sandiford <richard.sandiford@arm.com>
4036 PR tree-optimization/89570
4037 * match.pd (vec_cond into cond_op simplification): Don't use
4038 get_conditional_internal_fn, use as_internal_fn (cond_op).
4040 2019-03-05 Wilco Dijkstra <wdijkstr@arm.com>
4043 * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
4044 to decide when to split off a non-zero offset from a symbol.
4045 * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
4046 in function symbols.
4048 2019-03-05 Richard Biener <rguenther@suse.de>
4050 PR tree-optimization/89594
4051 * tree-if-conv.c (pass_if_conversion::execute): Handle
4052 case where .LOOP_VECTORIZED_FUNCTION was removed.
4054 2019-03-05 Jakub Jelinek <jakub@redhat.com>
4057 * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
4058 instead alloca it only when needed with the needed size.
4060 PR tree-optimization/89570
4061 * match.pd (vec_cond into cond_op simplification): Guard with
4062 vectorized_internal_fn_supported_p test and #if GIMPLE.
4064 PR tree-optimization/89566
4065 * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
4066 Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
4067 Punt if get_user_idx_format succeeds, but idx_format argument is
4068 not provided or doesn't have pointer type, or if idx_args is above
4069 number of provided arguments.
4071 2019-03-04 Wilco Dijkstra <wdijkstr@arm.com>
4073 PR tree-optimization/89437
4074 * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
4076 2019-03-04 Richard Biener <rguenther@suse.de>
4079 * tree-scalar-evolution.c: (get_loop_exit_condition): Use
4082 2019-03-04 Bin Cheng <bin.cheng@linux.alibaba.com>
4084 PR tree-optimization/89487
4085 * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
4086 (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
4087 (distribute_loop): Don't do runtime alias check if there is non-
4088 addressable data reference.
4089 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
4090 is a register variable.
4092 2019-03-02 Jakub Jelinek <jakub@redhat.com>
4095 * config/arm/arm.md (cmpsi2_addneg): Use
4096 trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
4097 If operands[2] is 0 or INT_MIN, force use of subs.
4098 (*compare_scc splitter): Use gen_int_mode.
4099 (*negscc): Likewise.
4100 * config/arm/thumb2.md (*thumb2_negscc): Likewise.
4102 2019-03-01 Kito Cheng <kito.cheng@gmail.com>
4103 Monk Chiang <sh.chiang04@gmail.com>
4105 * common/config/riscv/riscv-common.c: Include sstream.
4106 (riscv_subset_list::to_string): New.
4107 (riscv_arch_str): Likewise.
4108 * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
4110 * config/riscv/riscv-protos.h (riscv_arch_str): New.
4111 * config/riscv/riscv.c (INCLUDE_STRING): Defined.
4112 (riscv_emit_attribute): New.
4113 (riscv_file_start): Emit attribute if needed.
4114 (riscv_option_override): Init riscv_emit_attribute_p.
4115 * config/riscv/riscv.opt (mriscv-attribute): New option.
4116 * configure.ac (riscv*-*-*): Check binutils is supporting ELF
4118 * doc/install.texi: Document --with-riscv-attribute.
4119 * doc/invoke.texi: Document -mriscv-attribute.
4121 * common/config/riscv/riscv-common.c:
4122 Include config/riscv/riscv-protos.h.
4123 (INCLUDE_STRING): Defined.
4124 (RISCV_DONT_CARE_VERSION): Defined.
4125 (riscv_subset_t): Declare.
4126 (riscv_subset_t::riscv_subset_t): New.
4127 (riscv_subset_list): Declare.
4128 (riscv_subset_list::riscv_subset_list): New.
4129 (riscv_subset_list::~riscv_subset_list): Likewise.
4130 (riscv_subset_list::parsing_subset_version): Likewise.
4131 (riscv_subset_list::parse_std_ext): Likewise.
4132 (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4133 (riscv_subset_list::add): Likewise.
4134 (riscv_subset_list::lookup): Likewise.
4135 (riscv_subset_list::xlen): Likewise.
4136 (riscv_subset_list::parse): Likewise.
4137 (riscv_supported_std_ext): Likewise.
4138 (current_subset_list): Likewise.
4139 (riscv_parse_arch_string): Using riscv_subset_list::parse to
4142 2019-03-01 Segher Boessenkool <segher@kernel.crashing.org>
4144 * config/rs6000/rs6000.c (rs6000_option_override_internal): If
4145 rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
4146 * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
4148 2019-03-01 Alexander Monakov <amonakov@ispras.ru>
4150 PR rtl-optimization/85899
4151 * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
4152 fallthru edges leading to the exit block.
4154 2019-03-01 Tamar Christina <tamar.christina@arm.com>
4157 * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
4158 rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
4160 2019-03-01 Richard Sandiford <richard.sandiford@arm.com>
4162 PR tree-optimization/89535
4163 * tree-vect-stmts.c (vectorizable_call): Record the vector types
4164 for each operand. Calculate the fallback choice for mask operands
4165 and pass it to vect_get_vec_def_for_operand.
4167 2019-03-01 Richard Biener <rguenther@suse.de>
4170 * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
4171 get virtual operands.
4172 (get_expr_operands): Handle CONST_DECL like other decls.
4174 2019-03-01 Jakub Jelinek <jakub@redhat.com>
4177 * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
4178 on DECL_P and EXPR_P.
4180 2019-03-01 Richard Biener <rguenther@suse.de>
4183 * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
4184 argument, defaulted to zero.
4185 * passes.c (execute_function_todo): Pass down SSA update flags
4186 to cleanup_tree_cfg.
4187 * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
4188 (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
4190 (cleanup_tree_cfg): Get and pass down SSA update flags.
4192 2019-03-01 Jakub Jelinek <jakub@redhat.com>
4195 * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
4196 early_lto_debug argument.
4198 2019-02-28 Eric Botcazou <ebotcazou@adacore.com>
4200 PR tree-optimization/89536
4201 * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
4202 only whether bit #0 of the value is 0 instead of the entire value.
4204 2019-02-28 Marek Polacek <polacek@redhat.com>
4206 PR c++/87068 - missing diagnostic with fallthrough statement.
4207 * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
4208 at the end of a seq, save its location to walk_stmt_info.
4209 (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
4212 2019-02-28 Jan Hubicka <hubicka@ucw.cz>
4215 * tree.c (find_atomic_core_type): Move ahead in file.
4216 (check_base_type): Correctly compare alignments of atomic types.
4218 2019-02-28 H.J. Lu <hongjiu.lu@intel.com>
4221 * config/i386/i386.c (get_builtin_code_for_version): Identify
4222 Westmere from PCLMUL, instead of AES.
4224 2019-02-28 Jakub Jelinek <jakub@redhat.com>
4227 * config/arm/arm.md (*subsi3_carryin_compare_const): Use
4228 trunc_int_for_mode (-INTVAL (...), SImode), just instead of
4231 2019-02-28 Tamar Christina <tamar.christina@arm.com>
4234 * config/aarch64/aarch64-option-extensions.def: Document it.
4235 * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
4238 2019-02-28 Jakub Jelinek <jakub@redhat.com>
4241 * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
4242 builtins if they don't have a single scalar floating point argument.
4245 2019-02-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
4247 PR rtl-optimization/89490
4248 * varasm.c (get_block_for_section): Bail out for mergeable sections.
4249 (default_use_anchors_for_symbol_p, output_object_block): Assert the
4250 block section is not mergeable.
4252 2019-02-27 Jakub Jelinek <jakub@redhat.com>
4255 * config/arm/arm.md (arm_casesi_internal): New define_expand. Rename
4256 old define_insn to ...
4257 (*arm_casesi_internal): ... this. Add mode to LABEL_REFs.
4258 * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
4259 Rename old define_insn to ...
4260 (*thumb2_casesi_internal): ... this. Add mode to LABEL_REFs.
4261 (thumb2_casesi_internal_pic): New define_expand. Rename old
4263 (*thumb2_casesi_internal_pic): ... this. Add mode to LABEL_REFs.
4264 * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
4265 MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
4267 2019-02-27 Richard Biener <rguenther@suse.de>
4270 * dwarf2out.c (use_debug_types): Disable when in_lto_p.
4272 2019-02-27 Richard Biener <rguenther@suse.de>
4274 * passes.c (should_skip_pass_p): Do not skip cgraph-edge
4277 2019-02-27 Richard Biener <rguenther@suse.de>
4280 * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
4281 parameter, prefix section name with .gnu.debuglto_ if true.
4282 (dwarf2out_finish): Pass false to output_comdat_type_unit.
4283 (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
4285 2019-02-27 Richard Biener <rguenther@suse.de>
4288 * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
4289 rather than on use_debug_types, doing what output_die does.
4290 (value_format): Likewise.
4292 2019-02-27 Martin Jambor <mjambor@suse.cz>
4293 Martin Sebor <msebor@redhat.com>
4295 * doc/invoke.texi (Warning Options): Reword description of
4296 -Wno-absolute-value.
4298 2019-02-27 Jakub Jelinek <jakub@redhat.com>
4300 PR tree-optimization/89280
4301 * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
4302 builtin_setjmp_setup_bb): New functions.
4303 (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
4304 When visiting __builtin_setjmp_setup block, queue in special
4305 setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
4306 __builtin_setjmp_receiver. Remove .ABNORMAL_DISPATCHER basic blocks
4307 from visited after the loop if they don't have any visited successor
4310 2018-02-26 Steve Ellcey <sellcey@marvell.com>
4312 * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
4314 (TARGET_GET_MULTILIB_ABI_NAME): New macro.
4316 2019-02-26 Jakub Jelinek <jakub@redhat.com>
4319 * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
4320 with types other than sizetype/ssizetype.
4322 2019-02-26 Eric Botcazou <ebotcazou@adacore.com>
4324 * config/sparc/sparc-opts.h (enum processor_type): Rename to...
4325 (enum sparc_processor_type): ...this.
4326 (enum sparc_code_model_type): New enumeration type.
4327 (enum sparc_memory_model_type): Tweak comments.
4328 * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
4330 (mcmodel): Use sparc_code_model enumeration and variable.
4331 (sparc_code_model): New enumeration.
4332 (mdebug): Add Undocumented marker.
4333 * config/sparc/sparc.h (enum cmodel): Delete.
4334 (sparc_cmodel): Likewise.
4335 (TARGET_CM_MEDLOW): Adjust to above renaming.
4336 (TARGET_CM_MEDMID): Likewise.
4337 (TARGET_CM_MEDANY): Likewise.
4338 (TARGET_CM_EMBMEDANY): Likewise.
4339 * config/sparc/sparc.c (sparc_cmodel): Delete.
4340 (sparc_option_override): Remove string/value mapping support for the
4341 code model. Move code and memory model support to after the handling
4342 of target flags. Do private machine setup last.
4343 (sparc_emit_set_symbolic_const64): Use sparc_code_model.
4344 (sparc_legitimize_reload_address): Likewise.
4345 (sparc_output_mi_thunk): Likewise.
4346 * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
4348 2019-02-26 Jakub Jelinek <jakub@redhat.com>
4350 PR tree-optimization/89500
4351 * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
4352 (handle_builtin_strlen): Remove noncst_bound variable. Always
4353 optimize strnlen (x, 0) to 0. Optimize strnlen (x, cst) to
4354 cst if the first cst bytes starting at x are known to be non-zero,
4355 even if the string is not zero terminated. Don't try to modify
4356 *si for strnlen. Update strlen_to_stridx only for strlen or if
4357 we can prove strnlen returns the same value as strlen would.
4359 2019-02-26 Martin Liska <mliska@suse.cz>
4361 * alloc-pool.h (struct pool_usage): Remove extra
4363 * bitmap.h (struct bitmap_usage): Likewise.
4364 * ggc-common.c (struct ggc_usage): Likewise.
4365 * mem-stats.h (struct mem_usage): Likewise.
4366 (mem_alloc_description::dump): Print dash lines
4367 here and repeat header at the end of a table report.
4368 It's then more readable.
4369 * tree-phinodes.c (phinodes_print_statistics): Make
4370 horizontal alignment.
4371 * tree-ssanames.c (ssanames_print_statistics): Likewise.
4372 * vec.c (struct vec_usage): Remove extra print_dash_line.
4373 * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
4375 2019-02-26 Uroš Bizjak <ubizjak@gmail.com>
4377 * doc/extend.texi (__builtin_object_size):
4378 Use @pxref instead of @xref inside parenthesis.
4379 (__builtin_has_attribute): Add missing comma after @xref.
4380 (__builtin_object_size): Ditto.
4381 * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
4382 * fortran/invoke.texi (-ffpe-trap): Use @var for every item
4385 2019-02-26 Jeff Law <law@redhat.com>
4387 PR rtl-optimization/87761
4388 * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
4389 detect obviously dead insns and delete them.
4391 2019-02-26 Richard Biener <rguenther@suse.de>
4393 PR tree-optimization/89505
4394 * tree-ssa-structalias.c (compute_dependence_clique): Make sure
4395 to handle restrict pointed-to vars with multiple subvars
4398 2019-02-26 Richard Biener <rguenther@suse.de>
4400 PR tree-optimization/89489
4401 * tree-parloops.c (create_loop_fn): Copy over last_clique.
4403 2019-02-26 Eric Botcazou <ebotcazou@adacore.com>
4405 * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
4406 and move around comment.
4407 <BIT_AND_EXPR>: Likewise.
4408 <BIT_NOT_EXPR>: Add specific handling for boolean types.
4410 2019-02-26 Jakub Jelinek <jakub@redhat.com>
4413 * config/i386/i386.c (remove_partial_avx_dependency): Call
4414 df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
4415 after changing possibly many instructions to use that pseudo. Fix up
4416 insertion of v4sf_const0 setter at the start of bb.
4418 2019-02-25 Sandra Loosemore <sandra@codesourcery.com>
4421 * doc/extend.texi (Variadic Pointer Args): New section.
4423 2019-02-25 Sandra Loosemore <sandra@codesourcery.com>
4424 Martin Sebor <msebor@gmail.com>
4426 * common.opt (Wattribute-alias): Likewise.
4427 * doc/invoke.texi (Option Summary): List general form of
4428 -Wattribute-alias=. List positive form of -Wmissing-attributes.
4429 (-Wmissing-attributes): Invert entry, rewrite and correct default.
4430 Add cross-references.
4431 (-Wattribute-alias): Rewrite and correct default. Mention
4432 considered attributes (same as for -Wmissing-attributes).
4434 2019-02-25 Paul A. Clarke <pc@us.ibm.com>
4436 * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
4437 (_mm_cvtpd_ps): Likewise.
4438 (_mm_cvttpd_epi32): Likewise.
4441 * config/rs6000/xmmintrin.h (_mm_cvtss_f32): Fix type mismatch.
4442 (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
4445 * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
4447 2019-02-25 Tamar Christina <tamar.christina@arm.com>
4450 * common/config/aarch64/aarch64-common.c
4451 (struct aarch64_option_extension): Add is_synthetic.
4452 (all_extensions): Use it.
4453 (TARGET_OPTION_INIT_STRUCT): Define hook.
4454 (struct gcc_targetm_common): Moved to end.
4455 (all_extensions_by_on): New.
4456 (opt_ext_cmp, typedef opt_ext): New.
4457 (aarch64_option_init_struct): New.
4458 (aarch64_contains_opt): New.
4459 (aarch64_get_extension_string_for_isa_flags): Output smallest set.
4460 * config/aarch64/aarch64-option-extensions.def
4461 (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
4462 (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
4463 sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
4464 Set is_synthetic to false.
4465 (crypto): Set is_synthetic to true.
4466 * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
4469 2019-02-25 Tamar Christina <tamar.christina@arm.com>
4471 * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
4472 vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
4473 vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
4474 vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
4475 vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
4476 vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
4477 vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
4478 vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
4480 (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
4481 vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
4482 vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
4483 vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
4484 vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
4485 vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
4486 vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
4487 vfmlsl_laneq_high_f16): ... To this.
4488 * config/arm/neon.md: Update comments.
4490 2019-02-25 Tamar Christina <tamar.christina@arm.com>
4492 * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
4493 vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
4494 vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
4495 vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
4496 vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
4497 vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
4498 vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
4499 vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
4501 (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
4502 vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
4503 vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
4504 vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
4505 vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
4506 vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
4507 vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
4508 vfmlslq_laneq_high_f16): ... To this.
4510 2019-02-25 Alexander Monakov <amonakov@ispras.ru>
4512 PR rtl-optimization/86096
4513 * df-scan.c (df_mw_compare): Do not check mw_reg fields when
4514 comparing mw_order values.
4516 2019-02-25 Jakub Jelinek <jakub@redhat.com>
4519 * config/arm/arm.md (*subsi3_carryin_const): Use
4520 arm_neg_immediate_operand predicate instead of
4521 arm_not_immediate_operand, "L" constraint instead of "K" and
4522 print it using %n2 instead of %B2.
4523 (*subsi3_carryin_const0): New define_insn.
4524 (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
4525 instead of arm_not_operand and "I" constraint instead of "K" and
4526 print it using %n3 instead of %B2. Instead of using match_dup 2 add
4527 another match_operand and in the condition check that it is negation
4529 (*subsi3_carryin_compare_const0): New define_ins.
4530 (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
4531 *subsi3_carryin_const.
4532 (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
4533 split into *subsi3_carryin_compare_const0 if the highpart is zero.
4536 * config/arm.vfp.md (*negdf2_vfp): Use
4537 gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
4538 * config/arm/neon.md (neon_copysignf<mode>): Likewise.
4540 2019-02-24 Jakub Jelinek <jakub@redhat.com>
4542 PR rtl-optimization/89445
4543 * simplify-rtx.c (simplify_ternary_operation): Don't use
4544 simplify_merge_mask on operands that may trap.
4545 * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
4546 SCALAR_FLOAT_MODE_P checks. For integral division by zero, if
4547 second operand is CONST_VECTOR, check if any element could be zero.
4548 Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
4549 their operands can trap.
4551 2019-02-23 Martin Sebor <msebor@redhat.com>
4553 * gimple-ssa-sprintf.c (target_strtol): Rename...
4554 (target_strtohwi): ...to this. Handle values up to HOST_WIDE_INT_MAX.
4555 (parse_directive): Adjust to name change. Use HOST_WIDE_INT_MAX to
4556 check for range error.
4558 2019-02-23 H.J. Lu <hongjiu.lu@intel.com>
4561 * opts-common.c (prune_options): Also prune joined switches
4562 with Negative and RejectNegative.
4563 * config/i386/i386.opt (march=): Add Negative(march=).
4564 (mtune=): Add Negative(mtune=).
4565 * doc/options.texi: Document Negative used together with Joined
4568 2019-02-22 Martin Sebor <msebor@redhat.com>
4570 * doc/extend.texi (Other Builtins): Add
4571 __builtin_is_constant_evaluated.
4573 2019-02-22 Richard Biener <rguenther@suse.de>
4575 PR tree-optimization/87609
4576 * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
4578 2019-02-22 Jeff Law <law@redhat.com>
4580 PR rtl-optimization/87761
4581 * config/mips/mips.md: Add new combiner pattern to recognize
4582 a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
4584 2019-02-22 Matthew Malcomson <matthew.malcomson@arm.com>
4587 * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
4588 destination register in peepholes generating patterns for ADDS/SUBS.
4589 (add<mode>3_compare0,
4590 *addsi3_compare0_uxtw, add<mode>3_compareC,
4591 add<mode>3_compareV_imm, add<mode>3_compareV,
4592 *adds_<optab><ALLX:mode>_<GPI:mode>,
4593 *subs_<optab><ALLX:mode>_<GPI:mode>,
4594 *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
4595 *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
4596 *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
4597 *sub<mode>3_compare0, *subsi3_compare0_uxtw,
4598 sub<mode>3_compare1): Allow stack pointer for source register.
4599 * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
4601 2019-02-22 Martin Sebor <msebor@redhat.com>
4603 PR tree-optimization/88993
4604 PR tree-optimization/88853
4605 * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
4607 (sprintf_dom_walker::call_info::is_string_func): New helper.
4608 (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
4609 for formatted string functions.
4610 (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
4612 2019-02-22 Martin Sebor <msebor@redhat.com>
4615 * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
4616 unreachable subexpressions.
4618 2019-02-22 H.J. Lu <hongjiu.lu@intel.com>
4619 Hongtao Liu <hongtao.liu@intel.com>
4620 Sunil K Pandey <sunil.k.pandey@intel.com>
4623 * config/i386/i386-passes.def: Add
4624 pass_remove_partial_avx_dependency.
4625 * config/i386/i386-protos.h
4626 (make_pass_remove_partial_avx_dependency): New.
4627 * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
4629 (pass_data_remove_partial_avx_dependency): New.
4630 (pass_remove_partial_avx_dependency): Likewise.
4631 (make_pass_remove_partial_avx_dependency): Likewise.
4632 * config/i386/i386.md (avx_partial_xmm_update): New attribute.
4633 (*extendsfdf2): Add avx_partial_xmm_update.
4634 (truncdfsf2): Likewise.
4635 (*float<SWI48:mode><MODEF:mode>2): Likewise.
4636 (SF/DF conversion splitters): Disabled for TARGET_AVX.
4638 2019-02-22 Aldy Hernandez <aldyh@redhat.com>
4641 * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
4644 2019-02-22 Thiago Macieira <thiago.macieira@intel.com>
4647 * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
4648 (PTA_SKYLAKE): Add PTA_AES.
4649 (PTA_GOLDMONT): Likewise.
4651 2019-02-22 Sudakshina Das <sudi.das@arm.com>
4653 * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
4654 instruction if enabled.
4655 (aarch64_override_options): Remove reference to return address key.
4657 2019-02-22 Richard Biener <rguenther@suse.de>
4659 PR tree-optimization/89440
4660 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
4661 not necessary assert.
4663 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
4666 * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
4667 (oacc_replace_fn_attrib_attr): ... this new function.
4668 * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
4669 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
4671 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4673 * config/arm/arm-cpus.in (ares): Rename to...
4674 (neoverse-n1): ... This. Add ares as alias.
4675 * config/arm/arm-tables.opt: Regenerate.
4676 * config/arm/arm-tune.md: Likewise.
4677 * doc/invoke.txt (ARM Options): Document neoverse-n1.
4679 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4681 * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
4682 * config/aarch64/aarch64-tune.md: Regenerate.
4683 * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
4685 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4687 * config/aarch64/aarch64.c (ares_tunings): Rename to...
4688 (neoversen1_tunings): ... This.
4689 * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
4690 (neoverse-n1): New CPU.
4691 * config/aarch64/aarch64-tune.md: Regenerate.
4692 * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
4694 2019-02-22 Richard Biener <rguenther@suse.de>
4697 * cfghooks.h (dependence_hash): New typedef.
4698 (struct copy_bb_data): New type.
4699 (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
4700 (duplicate_block): Likewise.
4701 * cfghooks.c (duplicate_block): Pass down copy_bb_data.
4702 (copy_bbs): Create and pass down copy_bb_data.
4703 * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
4704 (rtl_duplicate_bb): Likewise.
4705 * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
4706 remap dependence info.
4708 2019-02-22 Richard Biener <rguenther@suse.de>
4710 PR tree-optimization/87609
4711 * tree-core.h (tree_base): Document special clique values.
4712 * tree-inline.c (remap_dependence_clique): Do not use the
4713 special clique value of one.
4714 (maybe_set_dependence_info): Use clique one.
4715 (clear_dependence_clique): New callback.
4716 (compute_dependence_clique): Clear clique one from all refs
4717 before assigning it (again).
4719 2019-02-21 Martin Sebor <msebor@redhat.com>
4721 * doc/extend.texi (__clear_cache): Correct signature.
4723 2019-02-21 Ian Lance Taylor <iant@golang.org>
4726 * varasm.c (decode_addr_const): Call lookup_constant_def rather
4727 than output_constant_def.
4728 (add_constant_to_table): New static function.
4729 (output_constant_def): Call add_constant_to_table.
4730 (tree_output_constant_def): Likewise.
4732 2019-02-21 Jakub Jelinek <jakub@redhat.com>
4735 * builtins.c (fold_builtin_arith_overflow): If first two args are
4736 INTEGER_CSTs, set intres and ovfres to constants rather than calls
4739 2019-02-21 H.J. Lu <hongjiu.lu@intel.com>
4742 * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
4743 error for -mindirect-branch/-mfunction-return with incompatible
4746 2019-02-21 Jakub Jelinek <jakub@redhat.com>
4749 * constraints.md (q): Remove.
4750 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
4753 2019-02-21 Martin Jambor <mjambor@suse.cz>
4756 * omp-general.c (omp_extract_for_data): Removed a duplicate call
4757 to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
4758 (omp_adjust_for_condition): ...here. Added necessary parameters.
4759 * omp-general.h (omp_adjust_for_condition): Updated declaration.
4760 * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
4761 proper values to new parameters of omp_adjust_for_condition.
4763 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4766 * expr.c (expand_assignment): If result is a MEM, use change_address
4767 instead of simplify_gen_subreg.
4769 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4770 David Malcolm <dmalcolm@redhat.com>
4773 * fold-const.c (decode_field_reference): Return NULL_TREE if
4774 lang_hooks.types.type_for_size returns NULL. Check it before
4775 overwriting *exp_. Use return NULL_TREE instead of return 0.
4777 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4781 * toplev.c (do_compile): Double the emin/emax exponents to workaround
4784 2019-02-20 Uroš Bizjak <ubizjak@gmail.com>
4787 * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
4788 TARGET_SSE in addition to TARGET_SSE_MATH.
4790 (ix86_excess_precision): Ditto.
4791 (ix86_float_exceptions_rounding_supported_p): Ditto.
4792 (use_rsqrt_p): Ditto.
4793 * config/i386/sse.md (rsqrt<mode>2): Ditto.
4795 2019-02-20 David Malcolm <dmalcolm@redhat.com>
4798 * diagnostic-show-locus.c (layout::calculate_line_spans): Use
4799 linenum_arith_t when determining if two adjacent line spans are
4800 close enough to merge.
4801 (diagnostic_show_locus): Use linenum_arith_t when iterating over
4802 lines within each line_span.
4804 2019-02-20 Andre Vieira <andre.simoesdiasvieira@arm.com>
4807 * lra-constraints.c(uses_hard_regs_p): Fix handling of
4808 paradoxical SUBREGS.
4810 2019-02-20 Li Jia He <helijia@linux.ibm.com>
4813 * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
4814 <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
4815 ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
4818 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4820 * config/gcn/gcn.c (print_operand): Fix typo.
4822 2019-02-19 Richard Biener <rguenther@suse.de>
4825 * toplev.c (do_compile): Initialize mpfr's exponent range
4826 based on available float modes.
4828 2019-02-19 Eric Botcazou <ebotcazou@adacore.com>
4830 * rtlanal.c (get_initial_register_offset): Fall back to the estimate
4831 as long as the epilogue isn't completed.
4833 2019-02-18 Martin Sebor <msebor@redhat.com>
4835 * doc/cpp.texi (Conditional syntax): Add __has_attribute,
4836 __has_cpp_attribute, and __has_include.
4838 2019-02-18 Martin Sebor <msebor@redhat.com>
4840 * doc/invoke.texi (-Wreturn-type): Correct and expand.
4842 2019-02-18 Martin Sebor <msebor@redhat.com>
4845 * tree.c (valid_constant_size_p): Avoid assuming size is a constant
4847 * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
4849 2019-02-18 Richard Biener <rguenther@suse.de>
4851 PR tree-optimization/89296
4852 * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
4853 of no-warning flag to cases that might emit the bogus warning.
4855 2019-02-18 Jakub Jelinek <jakub@redhat.com>
4858 * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
4860 * config/arm/vfp.md (*movdi_vfp): Likewise.
4861 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
4862 "q" constraint for operands[0].
4865 * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
4866 *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
4867 pattern in a temporary buffer.
4868 (*r<noxa>sbg_sidi_srl): Likewise. Always use 32 as I3 rather
4869 than 64-operands[2].
4872 * config/s390/s390.c (s390_indirect_branch_attrvalue,
4873 s390_indirect_branch_settings): Define unconditionally.
4874 (s390_set_current_function): Likewise, but guard the whole body except
4875 the s390_indirect_branch_settings call with
4876 #if S390_USE_TARGET_ATTRIBUTE.
4877 (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
4879 * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
4880 *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
4881 Use HOST_WIDE_INT_M1U instead of ~(0ULL).
4882 (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
4883 HOST_WIDE_INT_1U instead of 1ULL.
4884 (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
4885 to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
4886 (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
4887 z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
4889 (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
4892 2019-02-18 Martin Jambor <mjambor@suse.cz>
4894 PR tree-optimization/89209
4895 * tree-sra.c (create_access_replacement): New optional parameter
4896 reg_tree. Use it as a type if non-NULL and access type is not of
4898 (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
4899 to create_access_replacement.
4900 (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
4901 Check lacc is non-NULL before attempting to re-create it on the RHS.
4903 2019-02-18 Martin Liska <mliska@suse.cz>
4906 * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
4908 (symbol_table::free_edge): Recycle m_summary_id.
4909 * cgraph.h (get_summary_id): New.
4910 (symbol_table::release_symbol): Set m_summary_id to -1
4912 (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
4913 * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
4914 function_summary to fast_function_summary.
4915 * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
4916 * ipa-pure-const.c (class funct_state_summary_t):
4917 Switch from function_summary to fast_function_summary.
4918 * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
4919 (class ipa_ref_opt_summary_t): Switch from function_summary
4920 to fast_function_summary.
4921 * symbol-summary.h (class function_summary_base): New class
4922 that is created from base of former function_summary.
4923 (function_summary_base::unregister_hooks): New.
4924 (class function_summary): Inherit from function_summary_base.
4925 (class call_summary_base): New class
4926 that is created from base of former call_summary.
4927 (class call_summary): Inherit from call_summary_base.
4928 (struct is_same): New.
4929 (class fast_function_summary): New summary class.
4930 (class fast_call_summary): New summary class.
4931 * vec.h (vec_safe_grow_cleared): New function.
4933 2019-02-18 Martin Liska <mliska@suse.cz>
4935 * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
4936 (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
4937 * doc/tm.texi: Document new target hook.
4938 * doc/tm.texi.in: Likewise.
4939 * target.def: Add new target macro.
4940 * gcc.c (find_fortran_preinclude_file): Do not search multilib
4943 2019-02-17 Alan Modra <amodra@gmail.com>
4946 * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
4947 output reg on add insn.
4948 (<bd>tf_<mode> split): Likewise. Match predicates with insn.
4950 2019-02-16 H.J. Lu <hongjiu.lu@intel.com>
4953 * config/i386/sse.md (ssedoublemode): Remove V4HI.
4954 (PMULHRSW): Likewise.
4955 (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
4957 (ssse3_pmulhrswv4hi3): New expander.
4959 2019-02-16 H.J. Lu <hongjiu.lu@intel.com>
4961 * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
4962 MMX. Add isa attribute.
4964 2019-02-16 Jakub Jelinek <jakub@redhat.com>
4966 PR rtl-optimization/66152
4967 * builtins.h (c_readstr): Declare.
4968 * builtins.c (c_readstr): Remove forward declaration. Add
4969 null_terminated_p argument, if false, read all bytes from the
4970 string instead of stopping after '\0'.
4971 * expr.c (string_cst_read_str): New function.
4972 (store_expr): Use string_cst_read_str instead of
4973 builtin_strncpy_read_str. Try to store by pieces the whole
4974 exp_len first, and only if that fails, split it up into
4975 store by pieces followed by clear_storage. Formatting fix.
4977 * config/i386/i386.md (*movqi_internal): Remove static from
4978 buf variable. Use output_asm_insn (buf, operands); return "";
4979 instead of return buf;.
4980 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
4981 *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
4982 *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
4984 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
4986 * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
4987 (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
4988 * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
4989 (CC1_SPEC): Likewise.
4990 * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
4992 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
4994 * asan.c (asan_emit_stack_protection): Use full-sized mask to align
4995 the base address on 64-bit strict-alignment platforms.
4997 2019-02-15 H.J. Lu <hongjiu.lu@intel.com>
4999 * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
5001 2019-02-15 Uroš Bizjak <ubizjak@gmail.com>
5003 * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
5005 2019-02-15 Aaron Sawdey <acsawdey@linux.ibm.com>
5007 PR rtl-optimization/88308
5008 * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
5009 on copied instruction.
5011 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
5013 * final.c (insn_current_reference_address): Replace test on JUMP_P
5014 with test on jump_to_label_p.
5015 * config/visium/visium-passes.def: New file.
5016 * config/visium/t-visium (PASSES_EXTRA): Define.
5017 * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
5018 * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
5019 (TRAMPOLINE_ALIGNMENT): Define.
5020 * config/visium/visium.c (visium_option_override): Do not register
5021 the machine-specific reorg pass here.
5022 (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
5024 (output_branch): Adjust threshold for long branch instruction.
5025 * config/visium/visium.md (cpu): Move around.
5026 (length): Adjust for the GR6.
5028 2019-02-15 Richard Biener <rguenther@suse.de>
5029 Jakub Jelinek <jakub@redhat.com>
5031 PR tree-optimization/89278
5032 * tree-loop-distribution.c: Include tree-eh.h.
5033 (generate_memset_builtin, generate_memcpy_builtin): Call
5034 rewrite_to_non_trapping_overflow on builtin->size before passing it
5035 to force_gimple_operand_gsi.
5037 2019-02-15 Jakub Jelinek <jakub@redhat.com>
5040 * optc-save-gen.awk: Handle optimize_fast like optimize_size or
5042 * opth-gen.awk: Likewise.
5044 2019-02-15 Uroš Bizjak <ubizjak@gmail.com>
5046 * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
5047 Enable MMX, SSE and SSE2 by default.
5048 * config/i386/i386.c (ix86_option_override_internal): Do not
5049 explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
5051 2019-02-14 Jakub Jelinek <jakub@redhat.com>
5053 PR rtl-optimization/89354
5054 * combine.c (make_extraction): Punt if extraction_mode is narrower
5057 2019-02-14 Maya Rashish <coypu@sdf.org>
5059 * config.gcc (*-*-netbsd*): Add netbsd-d.o.
5060 * config/netbsd-d.c: New file.
5061 * config/t-netbsd: Add netbsd-d.o
5063 2018-02-14 Steve Ellcey <sellcey@marvell.com>
5065 * config/aarch64/aarch64.c (aarch64_attribute_table): Change
5066 affects_type_identity to true for aarch64_vector_pcs.
5067 (aarch64_comp_type_attributes): New function.
5068 (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
5070 2019-02-14 Tamar Christina <tamar.christina@arm.com>
5073 * config/arm/iterators.md (ANY64): Add V4HF.
5075 2019-02-14 Martin Liska <mliska@suse.cz>
5077 PR rtl-optimization/89242
5078 * dce.c (delete_unmarked_insns): Call free_dominance_info we
5079 process a transformation.
5081 2019-02-14 Jakub Jelinek <jakub@redhat.com>
5083 PR tree-optimization/89314
5084 * fold-const.c (fold_binary_loc): Cast strlen argument to
5085 const char * before dereferencing it. Formatting fixes.
5088 * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
5090 2019-02-13 Ian Lance Taylor <iant@golang.org>
5092 * optc-save-gen.awk: Set var_opt_hash for initial optimizations
5093 and set current index for other optimizations.
5095 2019-02-13 Uroš Bizjak <ubizjak@gmail.com>
5097 * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
5098 nonimmediate_operand as operand 2 predicate.
5099 (vec_set<VF2_512_256:mode>_0): Ditto.
5100 (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
5101 (*vec_concatv2si): Remove alternative 2.
5102 (*vec_concatv4si_0): Use vm constraint for alternative 0.
5103 (*vec_concatv4si_0): Remove preferred_for_speed attribute.
5104 (vec_concatv2di): Split alternatives 4,5,6 to ...
5105 (*vec_concatv2di_0) ... new pattern.
5107 2019-02-13 Wilco Dijkstra <wdijkstr@arm.com>
5110 * config/arm/arm.c (ldm_stm_operation_p) Set
5111 addr_reg_in_reglist correctly for first register.
5112 (load_multiple_sequence): Remove dead base check.
5113 (gen_ldm_seq): Correctly set write_back for Thumb-1.
5115 2019-02-13 Tamar Christina <tamar.christina@arm.com>
5118 * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
5119 Expose as @aarch64_pred_mov.
5120 * config/aarch64/aarch64.c (aarch64_classify_address):
5121 Use expand_insn which legitimizes operands.
5123 2019-02-13 Martin Liska <mliska@suse.cz>
5125 * builtins.h (expand_builtin_with_bounds): Remove declaration.
5126 * calls.c (struct arg_data): Remove special_slot, pointer_arg
5127 and pointer_offset fields.
5128 (initialize_argument_information): Remove usage of dead
5130 * cgraph.h (struct cgraph_thunk_info): Remove
5131 add_pointer_bounds_args.
5132 * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
5134 (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
5136 * config/i386/i386.c (ix86_function_arg_advance): Remove
5138 (struct builtin_isa): Remove leaf_p and nothrow_p fields.
5139 (def_builtin): Remove usage of dead
5141 (ix86_add_new_builtins): Likewise.
5142 * ipa-fnsummary.c (compute_fn_summary): Likewise.
5143 * ipa-icf.c (sem_function::equals_wpa): Likewise.
5144 (sem_function::init): Likewise.
5145 (sem_variable::merge): Likewise.
5146 * ipa-visibility.c (function_and_variable_visibility): Likewise.
5147 * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
5148 * lto-cgraph.c (lto_output_node): Likewise.
5149 (lto_output_varpool_node): Likewise.
5150 (input_node): Likewise.
5151 (input_varpool_node): Likewise.
5152 * lto-streamer-out.c (lto_output): Likewise.
5153 * tree-inline.c (expand_call_inline): Remove usage of
5155 * tree-inline.h (struct copy_body_data): Likewise.
5156 * varpool.c (varpool_node::dump): Likewise.
5158 2019-02-13 Jakub Jelinek <jakub@redhat.com>
5161 * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
5162 into pt->vars_contains_escaped_heap instead of setting
5163 pt->vars_contains_escaped_heap to it.
5166 * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
5167 INTVAL (size), compare it to GET_MODE_MASK instead of
5168 1 << GET_MODE_BITSIZE.
5171 * config/i386/predicates.md (x86_64_immediate_operand): Allow
5172 TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
5175 2019-02-13 Martin Liska <mliska@suse.cz>
5178 * cfgrtl.c (remove_barriers_from_footer): New function.
5179 (try_redirect_by_replacing_jump): Use it.
5180 (cfg_layout_redirect_edge_and_branch): Likewise.
5182 2019-02-13 Xiong Hu Luo <luoxhu@linux.vnet.ibm.com>
5184 * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
5185 vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
5186 * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
5187 (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
5188 * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
5189 (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
5191 * config/rs6000/rs6000.c (builtin_function_type)
5192 <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
5193 CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
5194 CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
5195 * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
5196 vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
5198 2019-02-12 Pat Haugen <pthaugen@us.ibm.com>
5200 * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
5201 -maltivec. Delete -maltivec=be and -maltivec=le documentation.
5203 2019-02-12 H.J. Lu <hongjiu.lu@intel.com>
5206 * config/i386/i386.md (*movoi_internal_avx): Revert revision
5207 268678 and revision 268657.
5208 (*movti_internal): Likewise.
5210 2019-02-12 Ilya Leoshkevich <iii@linux.ibm.com>
5213 * config/s390/s390.c (s390_decompose_address): Update comment.
5214 (s390_check_qrst_address): Reject invalid address forms after
5217 2019-02-12 Martin Liska <mliska@suse.cz>
5220 * ipa-pure-const.c (propagate_pure_const): Revert hunk as
5221 we need default values of funct_state for a function that
5224 2019-02-12 Eric Botcazou <ebotcazou@adacore.com>
5226 * asan.c (asan_expand_mark_ifn): Take into account the alignment of
5227 the object to pick the size of stores on strict-alignment platforms.
5229 * config/sparc/sparc.md (*movsi_insn): Minor tweak.
5230 (*movdi_insn_sp32): Likewise.
5231 (*movdi_insn_sp64): Likewise.
5233 2019-02-12 Jan Hubicka <hubicka@ucw.cz>
5236 * cgraphunit.c (analyze_functions): Clear READONLY flag for external
5237 types that needs constructiong.
5238 * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
5240 2019-02-12 Richard Biener <rguenther@suse.de>
5242 PR tree-optimization/89253
5243 * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
5246 2019-02-11 David Malcolm <dmalcolm@redhat.com>
5249 * input.c (selftest::test_line_offset_overflow): New selftest.
5250 (selftest::input_c_tests): Call it.
5252 2019-02-11 Martin Sebor <msebor@redhat.com>
5254 PR tree-optimization/88771
5255 * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
5256 when -Wstringop-overflow is set.
5257 (builtin_memref::builtin_memref): Adjust excessive upper bound
5258 only when lower bound is not excessive.
5259 (maybe_diag_overlap): Detect and diagnose excessive bounds via
5260 -Wstringop-ovefflow.
5261 (maybe_diag_offset_bounds): Rename...
5262 (maybe_diag_access_bounds): ...to this.
5263 (check_bounds_or_overlap): Adjust for name change above.
5265 2019-02-11 Martin Sebor <msebor@redhat.com>
5268 * builtins.c (max_object_size): Move from here...
5269 * builtins.h (max_object_size): ...and here...
5270 * tree.c (max_object_size): ...to here...
5271 * tree.h (max_object_size): ...and here.
5273 2019-02-11 Bill Schmidt <wschmidt@linux.ibm.com>
5275 * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
5276 and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
5277 for correct semantics.
5279 2019-02-11 Alan Modra <amodra@gmail.com>
5281 * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
5282 -mlongcall and -mpltseq.
5283 (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
5284 (RS/6000 and PowerPC Options <-mpltseq>): Document.
5285 * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
5286 * config/rs6000/sysv4.opt (mpltseq): New option.
5287 * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
5288 (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
5289 support is lacking. Don't allow -mpltseq with -mbss-plt.
5290 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
5291 -mpltseq given for ELFv1.
5292 * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
5293 Only use UNSPEC_PLTSEQ for inline PLT calls.
5294 (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments. Only
5295 use UNSPEC_PLTSEQ for inline PLT calls.
5296 (rs6000_indirect_call_template_1, rs6000_longcall_ref),
5297 (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
5298 uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
5299 * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
5300 (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
5301 (pltseq_mtctr_<mode>): Likewise.
5303 2019-02-11 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5305 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
5307 * configure: Regenerate.
5309 2019-02-11 Jakub Jelinek <jakub@redhat.com>
5312 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
5315 2019-02-11 Hans-Peter Nilsson <hp@axis.com>
5317 * function.c (assign_parm_setup_block): Use the stored
5318 size, not the passed size, when allocating stack-space,
5319 also for a parameter with alignment larger than
5320 MAX_SUPPORTED_STACK_ALIGNMENT.
5322 2019-02-11 Martin Liska <mliska@suse.cz>
5325 * ipa-cp.c (build_toporder_info): Remove usage of a param.
5326 * ipa-inline.c (inline_small_functions): Likewise.
5327 * ipa-pure-const.c (propagate_pure_const): Likewise.
5328 (propagate_nothrow): Likewise.
5329 * ipa-reference.c (propagate): Likewise.
5330 * ipa-utils.c (struct searchc_env): Remove unused field.
5331 (searchc): Always search across AVAIL_INTERPOSABLE.
5332 (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
5333 the only called IPA pure const can properly not propagate
5334 across interposable boundary.
5335 * ipa-utils.h (ipa_reduced_postorder): Remove param.
5337 2019-02-11 Chung-Ju Wu <jasonwucj@gmail.com>
5339 * config/nds32/nds32.md (call_internal, call_value_internal,
5340 sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
5342 2019-02-11 Hans-Peter Nilsson <hp@axis.com>
5344 * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
5347 2019-02-10 H.J. Lu <hongjiu.lu@intel.com>
5349 * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
5352 2019-02-10 Chung-Ju Wu <jasonwucj@gmail.com>
5354 * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
5356 2019-02-10 Jakub Jelinek <jakub@redhat.com>
5358 PR tree-optimization/89268
5359 * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
5360 if preds is non-NULL.
5362 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
5365 * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
5368 2019-02-10 Monk Chiang <sh.chiang04@gmail.com>
5370 * config/nds32/nds32.md (trap): New pattern.
5372 2019-02-10 Monk Chiang <sh.chiang04@gmail.com>
5374 * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
5377 2019-02-10 Chung-Ju Wu <jasonwucj@gmail.com>
5379 * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
5382 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
5384 * ipa-visibility.c (localize_node): Also do not localize
5385 LDPR_PREVAILING_DEF_IRONLY_EXP.
5387 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
5390 * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
5391 instead of type_with_linkage.
5393 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
5396 * params.def (uninlined-function-insns, uninlined-function-time,
5397 uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
5398 bound so we don't get overflows.
5400 2019-02-09 Aaron Sawdey <acsawdey@linux.ibm.com>
5402 * config/rs6000/rs6000-string.c (expand_compare_loop,
5403 expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
5406 2019-02-09 Jakub Jelinek <jakub@redhat.com>
5409 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5410 If !node->definition and TYPE_ARG_TYPES is non-NULL, use
5411 TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
5413 2019-02-09 Alan Modra <amodra@gmail.com>
5416 * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
5417 case. Match logic in rs6000_emit_prologue emitting pic_offset_table
5420 2019-02-08 Vladimir Makarov <vmakarov@redhat.com>
5423 * lra-constraints.c (process_alt_operands): Don't increase reject
5424 for memory when offset memory is required.
5426 2019-02-08 Robin Dapp <rdapp@linux.ibm.com>
5428 * config/s390/vector.md: Implement vector copysign.
5430 2019-02-08 H.J. Lu <hongjiu.lu@intel.com>
5432 * expr.c (expand_constructor): Correct indentations.
5434 2019-02-08 Richard Biener <rguenther@suse.de>
5436 PR tree-optimization/89247
5437 * tree-if-conv.c: Include tree-cfgcleanup.h.
5438 (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
5439 (tree_if_conversion): Pass through predicate vector.
5440 (pass_if_conversion::execute): Do CFG cleanup and SSA update
5441 inline, see if any if-converted loops we refrece in
5442 LOOP_VECTORIZED calls vanished and fixup.
5443 * tree-if-conv.h (tree_if_conversion): Adjust prototype.
5445 2019-02-08 Ilya Leoshkevich <iii@linux.ibm.com>
5447 * config/s390/constraints.md (jdd): New constraint.
5449 2019-02-08 H.J. Lu <hongjiu.lu@intel.com>
5452 * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
5453 upper 16 vector registers without TARGET_AVX512VL.
5454 (*movti_internal): Likewise.
5456 2019-02-08 Jakub Jelinek <jakub@redhat.com>
5458 PR rtl-optimization/89234
5459 * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
5460 is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
5461 (copy_reg_eh_region_note_backward): Likewise.
5463 2019-02-08 Richard Biener <rguenther@suse.de>
5466 * tree-data-ref.c (initialize_matrix_A): Fail if constant
5468 (analyze_subscript_affine_affine): Handle failure from
5469 initialize_matrix_A.
5471 2019-02-08 Jakub Jelinek <jakub@redhat.com>
5473 * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
5476 2019-02-07 David Malcolm <dmalcolm@redhat.com>
5478 PR tree-optimization/86637
5479 PR tree-optimization/89235
5480 * tree-vect-loop.c (optimize_mask_stores): Add an
5481 auto_purge_vect_location sentinel to ensure that vect_location is
5484 (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
5485 (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
5486 to ensure that vect_location is purged on exit.
5487 (pass_slp_vectorize::execute): Likewise, replacing the manual
5489 * tree-vectorizer.h (class auto_purge_vect_location): New class.
5491 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5493 * config/aarch64/iterators.md (max_opp): New code_attr.
5494 (USMAX): New code iterator.
5495 * config/aarch64/predicates.md (aarch64_smin): New predicate.
5496 (aarch64_smax): Likewise.
5497 * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
5498 (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
5501 2019-02-07 H.J. Lu <hongjiu.lu@intel.com>
5504 * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
5505 for TARGET_AVX512VL.
5506 (*movti_internal): Set mode to TI for TARGET_AVX512VL.
5508 2019-02-07 Andreas Krebbel <krebbel@linux.ibm.com>
5510 * config/s390/s390-builtin-types.def: Add new types.
5511 * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
5512 (s390_vec_xlw4): Make the memory operand into a const pointer.
5513 (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
5515 * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
5516 a new vector type with the alignment of the scalar memory operand.
5518 2019-02-07 Matthew Malcomson <matthew.malcomson@arm.com>
5519 Jakub Jelinek <jakub@redhat.com>
5522 * config/arm/arm-protos.h (valid_operands_ldrd_strd,
5523 arm_count_ldrdstrd_insns): New declarations.
5524 * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
5526 (valid_operands_ldrd_strd): New function.
5527 (arm_count_ldrdstrd_insns): New function.
5528 * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
5529 sets instead of single DImode set and define new insns to match this.
5531 2019-02-07 Tamar Christina <tamar.christina@arm.com>
5533 * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
5534 Make it a C initializer.
5536 2019-02-07 Tamar Christina <tamar.christina@arm.com>
5539 * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
5541 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5543 * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
5544 Use neon_dot<q> for type.
5545 (neon_<sup>dot_lane<vsi2qi>): Likewise.
5547 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5549 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
5550 Use neon_dot<q> for type.
5551 (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
5552 (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
5554 2019-02-06 Vladimir Makarov <vmakarov@redhat.com>
5556 PR rtl-optimization/89225
5557 * lra-constaints.c (simplify_operand_subreg): Add subreg mode
5560 2019-02-06 Eric Botcazou <ebotcazou@adacore.com>
5562 * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
5563 after restoring registers saved to allocate the frame on Windows.
5565 2019-02-06 Richard Biener <rguenther@suse.de>
5567 PR tree-optimization/89182
5568 * graphite.h (cached_scalar_evolution_in_region): Declare.
5569 * graphite.c (struct seir_cache_key): New.
5570 (struct sese_scev_hash): Likewise.
5571 (seir_cache): New global.
5572 (cached_scalar_evolution_in_region): New function.
5573 (graphite_transform_loops): Allocate and release seir_cache.
5574 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
5575 cached_scalar_evolution_in_region.
5576 * graphite-scop-detection.c (scop_detection::can_represent_loop):
5578 (scop_detection::graphite_can_represent_expr: Use
5579 cached_scalar_evolution_in_region.
5580 (scop_detection::stmt_simple_for_scop_p): Likewise.
5581 (find_params_in_bb): Likewise.
5582 (gather_bbs::before_dom_children): Likewise.
5583 * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
5584 (add_loop_constraints): Likewise.
5586 2019-02-06 Jakub Jelinek <jakub@redhat.com>
5589 * fold-const-call.c (fold_const_vec_convert): Pass true as last
5590 operand to new_unary_operation only if both element types are integral
5591 and it isn't a widening conversion. Return NULL_TREE if
5592 new_unary_operation failed.
5594 2019-02-05 Andreas Krebbel <krebbel@linux.ibm.com>
5597 * config/s390/s390.md: Remove load and test FP splitter.
5599 2019-02-05 Aaron Sawdey <acsawdey@linux.ibm.com>
5602 * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
5603 expand_compare_loop, expand_block_compare_gpr,
5604 expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
5605 REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
5606 #include "profile-count.h" and "predict.h" for types and functions
5607 needed to work with REG_BR_PROB notes.
5609 2019-02-05 Aaron Sawdey <acsawdey@linux.ibm.com>
5612 * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
5613 for the long branch case.
5615 2019-02-05 Jakub Jelinek <jakub@redhat.com>
5618 * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
5619 can throw, non-call exceptions are enabled and we can't delete
5620 dead exceptions or alter cfg. Set must_clean if
5621 delete_insn_and_edges returns true, don't set it blindly for calls.
5622 Assert that delete_unreachable_blocks is called only if can_alter_cfg.
5624 PR rtl-optimization/89195
5625 * combine.c (make_extraction): For MEMs, don't extract bytes outside
5626 of the original MEM.
5628 2019-02-05 Martin Liska <mliska@suse.cz>
5630 PR gcov-profile/89000
5631 * gcov.c (function_summary): Remove argument.
5632 (file_summary): New function.
5633 (print_usage): Replace tabs with spaces.
5634 (generate_results): Use new function file_summary.
5636 2019-02-05 Jakub Jelinek <jakub@redhat.com>
5639 * optabs.c (prepare_cmp_insn): Pass x and y to
5640 emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
5642 2019-02-05 Richard Biener <rguenther@suse.de>
5645 * bitmap.h (struct bitmap_obstack): Do not mark GTY.
5646 (struct bitmap_element): Drop chain_prev so we properly recurse on
5647 the prev member, supporting tree views.
5648 (struct bitmap_head): GTY skip the obstack member.
5650 2019-02-04 Alexander Monakov <amonakov@ispras.ru>
5653 * doc/extend.texi (Vector Extensions): Add an example of using vector
5654 types together with x86 intrinsics.
5656 2019-02-04 Alan Modra <amodra@gmail.com>
5658 * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
5659 str[] size to 160, and comment.
5661 2019-02-04 Alan Modra <amodra@gmail.com>
5663 * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
5664 (rs6000_pltseq_template): Guard output of TLS markers with
5666 (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
5667 (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
5668 to use inline PLT sequences.
5669 * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
5670 (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
5671 (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
5673 2019-02-04 Martin Liska <mliska@suse.cz>
5676 * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
5677 out when ipa_fn_summaries does not contain entry for callee.
5679 2019-02-04 Eric Botcazou <ebotcazou@adacore.com>
5681 * config/sparc/sparc.h: Remove superfluous blank lines.
5682 * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
5683 (got_register_rtx): ...this.
5684 (sparc_got): Adjust to above renaming.
5685 (sparc_tls_got): Likewise.
5686 (sparc_delegitimize_address): Likewise.
5687 (sparc_output_mi_thunk): Likewise.
5688 (sparc_init_pic_reg): Likewise.
5689 (save_local_or_in_reg_p): Fix test on the GOT register.
5690 (USE_HIDDEN_LINKONCE): Move around.
5691 (get_pc_thunk_name): Likewise.
5692 (gen_load_pcrel_sym): Likewise.
5693 (load_got_register): Likewise.
5695 2019-02-04 Kito Cheng <kito.cheng@gmail.com>
5697 * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
5698 of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
5700 2019-02-04 Chung-Ju Wu <jasonwucj@gmail.com>
5702 * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
5705 2019-02-04 Chung-Ju Wu <jasonwucj@gmail.com>
5707 * config.gcc (with_nds32_lib, glibc):
5708 Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
5709 * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
5710 (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
5712 2019-02-03 Uroš Bizjak <ubizjak@gmail.com>
5715 * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
5716 Do not prefer (v,v) alternative for non-AVX targets and (m,v)
5717 alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
5718 (*rcpsf2_sse): Ditto.
5719 (*rsqrtsf2_sse): Ditto.
5720 (sse4_1_round<mode<2): Ditto.
5722 2019-02-03 Richard Biener <rguenther@suse.de>
5725 * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
5728 2019-02-02 Jakub Jelinek <jakub@redhat.com>
5731 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5732 Punt with warning on aggregate return or argument types. Ignore
5733 type/mode checking for uniform arguments.
5735 2019-02-01 Segher Boessenkool <segher@kernel.crashing.org>
5737 * combine.c (try_combine): Do not print "Can't combine" messages unless
5738 printing failed combination attempts.
5740 2019-02-01 Martin Jambor <mjambor@suse.cz>
5743 * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
5744 segment and global segment variables before making them static.
5746 2019-02-01 Martin Jambor <mjambor@suse.cz>
5748 * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
5749 missed optimization dump with dump_enabled_p.
5751 2019-02-01 Richard Biener <rguenther@suse.de>
5754 * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
5755 the instantiate cache.
5756 (instantiate_scev_binary): Elide second operand procesing
5757 if equal to the first.
5758 * tree-chrec.c (chrec_contains_symbols): Add visited set.
5759 (chrec_contains_undetermined): Likewise.
5760 (tree_contains_chrecs): Likewise.
5762 2019-02-01 Jan Hubicka <hubicka@ucw.cz>
5764 * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
5766 2019-02-01 Jakub Jelinek <jakub@redhat.com>
5768 PR tree-optimization/89143
5769 * wide-int-range.h (wide_int_range_absu): Declare.
5770 * wide-int-range.cc (wide_int_range_absu): New function.
5771 * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
5773 PR tree-optimization/88107
5774 * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
5775 instead of assertion that eh_region_outermost is non-NULL, if it
5776 is NULL, set *ALL to true and return NULL.
5777 (move_sese_region_to_fn): Adjust caller, if all is set, call
5778 duplicate_eh_regions with NULL region.
5780 2019-02-01 Richard Biener <rguenth@suse.de>
5782 PR rtl-optimization/88593
5783 * mode-switching.c (optimize_mode_switching): Free dominators before
5784 calling cleanup_cfg.
5786 2019-02-01 Bin Cheng <bin.cheng@linux.alibaba.com>
5788 PR tree-optimization/88932
5789 * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
5791 2019-01-31 Jakub Jelinek <jakub@redhat.com>
5794 * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
5795 bogus clang warning.
5797 2019-01-31 Uroš Bizjak <ubizjak@gmail.com>
5800 * config/i386/i386.md (*extendsfdf2): Split out reg->reg
5801 alternative to avoid partial SSE register stall for TARGET_AVX.
5802 (truncdfsf2): Ditto.
5803 (sse4_1_round<mode>2): Ditto.
5805 2018-01-31 Bill Schmidt <wschmidt@linux.ibm.com>
5807 PR tree-optimization/89008
5808 * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
5809 process anything of the form X * 0.
5811 2019-01-31 Richard Biener <rguenther@suse.de>
5813 PR tree-optimization/89135
5814 * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
5815 with abnormal preds.
5817 2019-01-31 Jakub Jelinek <jakub@redhat.com>
5820 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
5821 always_inline callees into no_sanitize_address callers.
5823 2019-01-31 Richard Biener <rguenther@suse.de>
5825 PR rtl-optimization/89115
5826 * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
5828 2019-01-30 Martin Sebor <msebor@redhat.com>
5831 * doc/extend.texi (cast to a union): Correct and expand.
5833 2019-01-30 Vladimir Makarov <vmakarov@redhat.com>
5835 PR rtl-optimization/87246
5836 * lra-constraints.c (simplify_operand_subreg): Reload memory
5837 in subreg if the address became invalid.
5839 2019-01-30 Bill Schmidt <wschmidt@linux.ibm.com>
5842 * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
5843 Disable for little-endian.
5845 2019-01-30 Richard Biener <rguenther@suse.de>
5847 PR rtl-optimization/89115
5848 * opts.c (default_options_optimization): Reduce
5849 PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
5850 Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
5853 2019-01-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
5855 * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
5856 Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT. Coerce result to
5857 type of vector element when vec_extract is implemented by direct
5860 2019-01-30 Thomas Schwinge <thomas@codesourcery.com>
5862 * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
5864 2019-01-30 Richard Biener <rguenther@suse.de>
5866 PR tree-optimization/89111
5867 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
5868 canonicalization to appropriately sized access types.
5870 2019-01-30 Jakub Jelinek <jakub@redhat.com>
5873 * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
5874 for arguments to functions that are TU-local and shouldn't be
5875 referenced by assembly.
5877 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5879 * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
5882 2019-01-29 Martin Sebor <msebor@redhat.com>
5885 * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
5887 2019-01-29 Jakub Jelinek <jakub@redhat.com>
5891 * omp-simd-clone.c (simd_clone_clauses_extract)
5892 <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
5893 OMP_CLAUSE_ALIGNED_ALIGNMENT.
5895 2019-01-29 Vineet Gupta <vgupta@synopsys.com>
5897 * config.gcc: Force .init_array for ARC.
5899 2019-01-29 Richard Biener <rguenther@suse.de>
5902 * dwarf2out.c (collect_skeleton_dies): New helper.
5903 (copy_decls_for_unworthy_types): Call it.
5904 (build_abbrev_table): Assert we do not try to replace
5905 DW_AT_signature refs with local refs.
5907 2019-01-28 Jakub Jelinek <jakub@redhat.com>
5910 * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
5911 for lastprivate/linear IV, push gimplify context around gimplify_assign
5912 and, if it needed any temporaries, pop it into a gimple bind around the
5915 2019-01-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
5917 * common.opt (-Wattribute-alias): Remove "no-" from name.
5918 Make -Wattribute-alias command line option and
5919 #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
5921 2019-01-28 Jakub Jelinek <jakub@redhat.com>
5924 * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
5925 -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
5927 (bmi2): Add missing @opindex.
5928 * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
5929 options alphabetically. Add missing 3dnow, 3dnowa, adx, avx, avx2,
5930 avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
5931 avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
5932 avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
5933 cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
5934 fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
5935 pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
5936 sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
5937 xsavec, xsaveopt and xsaves options.
5939 2019-01-28 Richard Biener <rguenther@suse.de>
5942 * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
5945 2019-01-28 Richard Biener <rguenther@suse.de>
5947 PR tree-optimization/88739
5948 * tree-cfg.c (verify_types_in_gimple_reference): Verify
5949 BIT_FIELD_REFs only are applied to mode-precision operands
5950 when they are integral.
5951 (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
5952 * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
5953 BIT_FIELD_REFs of non-mode-precision integral operands.
5955 2019-01-27 Jakub Jelinek <jakub@redhat.com>
5958 * config/i386/sse.md
5959 (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
5960 avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
5961 first constants in pairs are multiples of 2. Formatting fixes.
5962 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
5963 avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
5964 first constants in each quadruple are multiples of 4. Formatting fixes.
5966 2019-01-26 Martin Jambor <mjambor@suse.cz>
5969 * tree-inline.c: Include tree-cfgcleanup.h.
5970 (delete_unreachable_blocks_update_callgraph): Move...
5971 * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
5972 ...here, make externally visible, make second argument bool, adjust
5974 * tree-cfgcleanup.c: Include cgraph.h.
5975 * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
5977 * ipa-prop.c: Include tree-cfgcleanup.h.
5978 (ipcp_transform_function): Call
5979 delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
5981 2019-01-25 Vladimir Makarov <vmakarov@redhat.com>
5983 PR rtl-optimization/88846
5984 * ira.c (process_set_for_memref_referenced_p): New.
5985 (memref_referenced_p): Add new param. Use
5986 process_set_for_memref_referenced_p. Add new switch cases.
5987 (memref_used_between_p): Pass new arg to memref_referenced_p.
5989 2019-01-25 Richard Earnshaw <rearnsha@arm.com>
5992 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
5993 argument ABI_BREAK. Set to true if the calculated alignment has
5994 changed in gcc-9. Check bit-fields for their base type alignment.
5995 (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
5996 (aarch64_function_arg_boundary): Likewise.
5997 (aarch64_gimplify_va_arg_expr): Likewise.
5999 2019-01-25 Richard Sandiford <richard.sandiford@arm.com>
6002 * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
6003 instead of accessing TREE_INT_CST_ELT directly.
6005 2019-01-25 Christophe Lyon <christophe.lyon@linaro.org>
6007 * doc/sourcebuild.texi (Environment attributes): Add fenv and
6008 fenv_exceptions description.
6010 2019-01-25 Wilco Dijkstra <wdijkstr@arm.com>
6012 PR rtl-optimization/87763
6013 * config/aarch64/aarch64.c (aarch64_select_cc_mode):
6014 Allow SUBREG when matching CC_NZmode compare.
6016 2019-01-25 Richard Biener <rguenther@suse.de>
6018 PR tree-optimization/89049
6019 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
6020 Look at the pattern stmt to determine if the stmt is vectorized.
6022 2019-01-25 Richard Sandiford <richard.sandiford@arm.com>
6024 * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
6025 (pred_mov<mode>): Handle all-register forms using both a new
6026 alternative and a split.
6028 2019-01-25 Richard Biener <rguenther@suse.de>
6030 PR tree-optimization/86865
6031 * graphite-scop-detection.c (scop_detection::can_represent_loop):
6032 Reject non-do-while loops.
6034 2019-01-24 Peter Bergner <bergner@linux.ibm.com>
6036 * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
6037 * config/rs6000/constraints.md (Q constraint): Use REG_P.
6038 * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
6039 * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6040 SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
6041 * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6042 * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
6043 vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
6044 vlogical_operand, gpc_reg_operand, int_reg_operand,
6045 int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
6046 (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
6047 cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
6048 (save_world_operation, restore_world_operation, lmw_operation,
6049 stmw_operation): Use MEM_P and REG_P.
6050 (tie_operand): Use MEM_P.
6051 (vrsave_operation, crsave_operation): Use REG_P.
6052 (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
6053 (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
6054 (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
6055 (call_operand): Use HARD_REGISTER_P.
6056 (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
6058 (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
6059 * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
6060 quad_aligned_load_p, replace_swapped_aligned_store,
6061 recombine_lvx_pattern, replace_swapped_aligned_load,
6062 recombine_stvx_pattern): Use MEM_P.
6063 (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
6064 Use MEM_P and SYMBOL_REF_P.
6065 (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
6066 (insn_is_swappable_p): Use REG_P and MEM_P.
6067 (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
6068 * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
6070 * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
6072 (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
6074 (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
6075 CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
6076 (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
6077 HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
6079 (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
6080 (easy_altivec_constant, rs6000_legitimate_offset_address_p,
6081 rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
6082 rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
6083 rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
6084 rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
6085 rs6000_split_logical_di): Use CONST_INT_P.
6086 (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
6087 REG_P and SYMBOL_REF_P.
6088 (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
6089 (print_operand): Use CONST_INT_P, MEM_P and REG_P.
6090 (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
6091 mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
6092 (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
6093 (small_data_operand, print_operand_address): Use CONST_INT_P and
6095 (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
6096 (rs6000_init_hard_regno_mode_ok, direct_move_p):
6097 Use HARD_REGISTER_NUM_P.
6098 (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
6099 (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
6100 SUBREG_P and SYMBOL_REF_P.
6101 (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
6102 and HARD_REGISTER_NUM_P.
6103 (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
6105 (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
6106 (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
6108 (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
6109 registers_ok_for_quad_peep, rs6000_output_function_epilogue,
6110 find_addr_reg): Use REG_P.
6111 (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
6112 (rs6000_emit_le_vsx_move): Use SUBREG_P.
6113 (offsettable_ok_by_alignment, constant_pool_expr_p,
6114 legitimate_small_data_p, rs6000_output_dwarf_dtprel,
6115 rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
6116 rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
6117 rs6000_assemble_integer, create_TOC_reference,
6118 rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
6119 rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
6120 (rs6000_split_vec_extract_var): Use reg_or_subregno.
6121 * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6122 CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
6123 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6124 * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6125 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
6126 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
6127 (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
6128 (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
6129 * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
6130 and cbranch<mode>4): Use CONST_INT_P.
6131 (multiple define_splits): Use REG_P and SUBREG_P.
6132 (define_expands call, call_value): Use MEM_P.
6133 (define_expands sibcall, sibcall_value): Use CONST_INT_P and MEM_P.
6134 (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
6135 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
6136 *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
6137 and HARD_REGISTER_NUM_P.
6138 (multiple define_splits): Use HARD_REGISTER_NUM_P.
6140 2019-01-24 Uroš Bizjak <ubizjak@gmail.com>
6142 PR rtl-optimization/88948
6143 * rtl.h (prepare_copy_insn): New prototype.
6144 * gcse.c (prepare_copy_insn): New function, split out from
6145 process_insert_insn.
6146 (process_insert_insn): Use prepare_copy_insn.
6147 * store-motion.c (replace_store_insn): Use prepare_copy_insn
6148 instead of gen_move_insn.
6150 2019-01-24 Jakub Jelinek <jakub@redhat.com>
6153 * config/i386/i386.c (ix86_pic_register_p): Return true for
6156 PR tree-optimization/88964
6157 * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
6158 punt if HONOR_SNANS (chrec).
6161 * tree-nested.c (convert_nonlocal_reference_stmt,
6162 convert_local_reference_stmt, convert_tramp_reference_stmt,
6163 convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
6164 gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
6167 PR tree-optimization/89027
6168 * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
6169 for "omp simd array" variables.
6171 2019-01-24 Richard Earnshaw <rearnsha@arm.com>
6174 * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
6175 force the alignment of m_val.
6177 2019-01-24 Richard Biener <rguenther@suse.de>
6180 * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
6181 When in "legacy" debug mode make sure to reset self-origins.
6183 2019-01-24 Martin Liska <mliska@suse.cz>
6185 PR gcov-profile/88994
6186 * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
6187 result will be always smaller or equal to the original.
6188 * gcov.c (mangle_name): Fix else branch where we should
6189 also copy to PTR and shift the pointer.
6191 2019-01-24 Xiong Hu Luo <luoxhu@linux.vnet.ibm.com>
6193 * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
6194 * vr-values.c (find_case_label_ranges): Fix a comment typo.
6196 2019-01-23 Bin Cheng <bin.cheng@arm.com>
6197 Steve Ellcey <sellcey@marvell.com>
6200 * recog.c (address_operand): Return false on wrong mode for address.
6201 (constrain_operands): Check for mode with 'p' constraint.
6203 2019-01-23 Uroš Bizjak <ubizjak@gmail.com>
6206 * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
6207 Disparage MMX alternative.
6208 (sse2_cvtpd2pi): Ditto.
6209 (sse2_cvttpd2pi): Ditto.
6211 2019-01-23 David Malcolm <dmalcolm@redhat.com>
6214 * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
6215 use-after-free of the result of
6216 aarch64_get_extension_string_for_isa_flags.
6218 2019-01-23 Jakub Jelinek <jakub@redhat.com>
6221 * doc/extend.texi: Document break and continue behavior in
6222 statement expressions.
6224 2019-01-23 Richard Biener <rguenther@suse.de>
6226 PR tree-optimization/89008
6227 * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
6228 not leave another stray operand.
6230 2019-01-23 Jakub Jelinek <jakub@redhat.com>
6232 * BASE-VER: Bump to 9.0.1.
6234 2019-01-23 Eric Botcazou <ebotcazou@adacore.com>
6236 * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
6237 thunk that returns by reference, use the type of the return object
6238 of the thunk instead of that of the alias to build the dereference.
6240 2019-01-23 Vineet Gupta <vgupta@synopsys.com>
6242 * config/arc/atomic.md: Add operand to DMB instruction.
6244 2019-01-23 Jakub Jelinek <jakub@redhat.com>
6246 PR tree-optimization/88964
6247 * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
6248 build_zero_cst instead of build_int_cst. Return false for loop
6249 invariants which honor signed zeros.
6251 2019-01-22 Segher Boessenkool <segher@kernel.crashing.org>
6253 * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
6255 2019-01-22 Jakub Jelinek <jakub@redhat.com>
6258 * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
6259 (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
6260 is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
6263 * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
6264 non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
6267 * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
6268 Disable for little endian.
6270 2019-01-22 Richard Earnshaw <rearnsha@arm.com>
6273 * config/arm/arm.c (arm_needs_double_word_align): Check
6274 DECL_BIT_FIELD_TYPE.
6276 2019-01-22 Hongtao Liu <hongtao.liu@intel.com>
6277 H.J. Lu <hongjiu.lu@intel.com>
6280 * config/i386/i386-builtin.def: Add mask2 to all builtin
6281 initializations. Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
6283 * config/i386/i386.c (BDESC): Add mask2 to the definition.
6284 (BDESC_FIRST): Likewise.
6285 (define_builtin): Add an argument for mask2. Updated to handle
6286 both ix86_isa_flags and ix86_isa_flags2.
6287 (define_builtin_const): Likewise.
6288 (define_builtin_pure): Likewise.
6289 (define_builtin2): Deleted.
6290 (define_builtin_const2): Likewise.
6291 (builtin_description): Add a member, mask2.
6292 (bdesc_*): Add mask2 to builtin initializations.
6293 (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
6294 def_builtin_const and def_builtin_pure. Remove SPECIAL_ARGS2
6296 (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
6298 2019-01-22 H.J. Lu <hongjiu.lu@intel.com>
6301 * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
6304 2019-01-22 Richard Earnshaw <rearnsha@arm.com>
6307 * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
6308 alignment is dominated by a bitfield with 64-bit aligned base type.
6309 (arm_function_arg): Emit a warning if the alignment has changed since
6310 earlier GCC releases.
6311 (arm_function_arg_boundary): Likewise.
6312 (arm_setup_incoming_varargs): Likewise.
6314 2019-01-22 Richard Biener <rguenther@suse.de>
6316 PR tree-optimization/88862
6317 * graphite-scop-detection.c
6318 (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
6320 2019-01-22 Andrew Stubbs <ams@codesourcery.com>
6322 * doc/extend.tex (AMD GCN Function Attributes): New section.
6323 * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
6324 * doc/invoke.texi (AMD GCN Options): New section.
6325 * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
6327 2019-01-22 Eric Botcazou <ebotcazou@adacore.com>
6329 * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
6330 register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
6332 2019-01-22 Jakub Jelinek <jakub@redhat.com>
6334 PR tree-optimization/88044
6335 * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
6336 is false in the first iteration, but !every_iteration, return false
6337 instead of true with niter->niter zero.
6339 PR rtl-optimization/88904
6340 * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
6341 any nonequal registers before processing BB_END (b).
6344 * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
6346 (expand_binop_directly, expand_doubleword_clz,
6347 expand_doubleword_popcount, expand_ctz, expand_ffs,
6348 expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
6350 PR rtl-optimization/49429
6352 PR rtl-optimization/86334
6354 * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
6355 addressable from here...
6356 (emit_block_op_via_libcall): ... to here.
6358 2019-01-22 Richard Biener <rguenther@suse.de>
6360 * tree-vect-loop.c (vect_analyze_loop_operations): Use
6361 auto_vec for cost vector to fix memleak.
6362 (vectorize_fold_left_reduction): Properly gather SLP defs.
6363 (vectorizable_comparison): Do not swap operands to properly
6366 2019-01-22 Alan Modra <amodra@gmail.com>
6369 * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
6370 stays a reg. Allow a const_int.
6371 * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
6372 * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
6373 (IS_NOMARK_TLSGETADDR): Define.
6374 * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
6375 (rs6000_output_tlsargs): New function.
6376 (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
6377 __tls_get_addr call takes an arg.
6378 (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
6379 * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
6381 (call_value_nonlocal_sysv): ..or here, delete split.
6382 (tls_gdld_nomark): Delete.
6383 (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
6384 predicate. Call rs6000_output_tlsargs. Adjust length to suit.
6385 (call_value_nonlocal_sysv): Likewise.
6386 (call_value_nonlocal_sysv_secure): Likewise.
6387 (call_value_nonlocal_aix): Likewise.
6388 (call_value_indirect_aix): Likewise.
6389 (call_value_indirect_elfv2): Likewise.
6390 (call_value_local32, call_value_local64): Disable for no-mark tls.
6391 (call_value_local_aix): Likewise.
6393 2019-01-21 Uroš Bizjak <ubizjak@gmail.com>
6396 * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
6397 case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
6399 2019-01-21 Michael Ploujnikov <michael.ploujnikov@oracle.com>
6401 * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
6402 string contents as hash_map keys.
6404 2019-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
6407 * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
6408 for rvalue context. Handle rvalues correctly. Use min_align_of_type
6409 instead of TYPE_ALIGN.
6410 (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
6411 Use min_align_of_type instead of TYPE_ALIGN_UNIT. Check for NULL
6412 pointer from TYPE_STUB_DECL.
6414 2019-01-21 Richard Biener <rguenther@suse.de>
6416 PR tree-optimization/88934
6417 * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
6418 at the possibly non-constant operand.
6419 (vect_get_constant_vectors): Adjust.
6421 2019-01-21 H.J. Lu <hongjiu.lu@intel.com>
6424 * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
6425 * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
6426 instead of _X86INTRIN_H_INCLUDED.
6427 * onfig/i386/clwbintrin.h: Likewise.
6428 * config/i386/pkuintrin.h: Likewise.
6429 * config/i386/prfchwintrin.h: Likewise.
6430 * config/i386/rdseedintrin.h: Likewise.
6431 * config/i386/wbnoinvdintrin.h: Likewise.
6432 * config/i386/xsavecintrin.h: Likewise.
6433 * config/i386/xsavesintrin.h: Likewise.
6434 * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
6435 * config/i386/xsaveintrin.h: Likewise.
6436 * config/i386/xsaveoptintrin.h: Likewise.
6437 * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
6438 <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
6439 <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
6440 <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
6441 <wbnoinvdintrin.h> and <pkuintrin.h> to ...
6442 * config/i386/immintrin.h: Here.
6444 2019-01-20 Martin Jambor <mjambor@suse.cz>
6447 * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
6448 with aa_walk_budget.
6449 * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
6450 aa_walk_budget_p parameter.
6451 * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi. Limit AA
6452 walk. Updated all callers.
6453 (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
6454 (eliminated_by_inlining_prob): New parameter fbi, pass it on to
6456 (will_be_nonconstant_expr_predicate): New parameter fbi, removed
6457 parameter info. Extract info from fbi. Pass fbi to recursive calls
6458 and to unmodified_parm.
6459 (phi_result_unknown_predicate): New parameter fbi, removed parameter
6460 info, updated call to will_be_nonconstant_expr_predicate.
6461 (param_change_prob): New parameter fbi, limit AA walking.
6462 (analyze_function_body): Initialize aa_walk_budget in fbi. Update
6463 calls to various above functions.
6464 * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
6465 parameter. Use it to limit AA walking.
6466 * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
6468 (detect_type_change): New parameter fbi, pass it on to
6469 detect_type_change_from_memory_writes.
6470 (detect_type_change_ssa): Likewise.
6471 (aa_overwalked): Removed.
6472 (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
6473 accordingly, adjust to the neew AA limiting scheme.
6474 (parm_ref_data_preserved_p): Likewise.
6475 (ipa_compute_jump_functions_for_edge): Adjust call to
6477 (ipa_analyze_call_uses): Likewise.
6478 (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
6479 (ipa_analyze_node): Initialize aa_walk_budget.
6480 (ipcp_transform_function): Likewise.
6481 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
6482 to get_dynamic_type.
6484 2019-01-19 Jakub Jelinek <jakub@redhat.com>
6486 * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
6487 outside of #if CHECKING_P code.
6489 2019-01-19 Richard Sandiford <richard.sandiford@arm.com>
6491 * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
6492 New function, split out from...
6493 (loop_versioning::analyze_stride): ...here.
6494 (loop_versioning::find_per_loop_multiplication): Use gassign.
6495 (loop_versioning::analyze_term_using_scevs): Return a success code.
6496 (loop_versioning::analyze_arbitrary_term): New function.
6497 (loop_versioning::analyze_address_fragment): Use
6498 analyze_arbitrary_term if all else fails.
6500 2019-01-18 Segher Boessenkool <segher@kernel.crashing.org>
6503 * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
6506 2019-01-18 Richard Biener <rguenther@suse.de>
6508 PR tree-optimization/88903
6509 * tree-vect-stmts.c (vectorizable_shift): Verify we see all
6510 scalar stmts a SLP shift amount is composed of when detecting
6513 2019-01-18 Richard Earnshaw <rearnsha@arm.com>
6516 * config/arm/arm-cpus.in (mp): New feature.
6518 (fgroup ARMv7ve): Add mp and sec features.
6519 (arch armv7-a): Add options to allow mp and sec extensions.
6520 (cpu generic-armv7-a): Add options to allow mp and sec extensions.
6521 (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
6522 extenstions to the base architecture.
6523 (cpu cortex-a8): Add sec extension to the base architecture.
6524 (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
6525 * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
6526 variants down to the base v7-a varaint.
6527 * config/arm/t-multilib (v7_a_arch_variants): New variable.
6528 * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
6529 of permitted extensions for -march=armv7-a and for
6530 -mcpu=generic-armv7-a.
6532 2019-01-18 Martin Liska <mliska@suse.cz>
6534 * params.def: Fix comment.
6535 * tree-profile.c (gimple_init_gcov_profiler): Bump function
6537 (gimple_gen_ic_func_profiler): Likewise.
6539 2019-01-18 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6541 * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
6542 * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
6543 and put in error checks for stack protector guard options.
6544 (aarch64_stack_protect_guard): New.
6545 (TARGET_STACK_PROTECT_GUARD): Define.
6546 * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
6547 (reg_stack_protect_address<mode>): New.
6548 (stack_protect_set): Adjust for SSP_GLOBAL.
6549 (stack_protect_test): Likewise.
6550 * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
6551 (-mstack-protector-guard): Likewise.
6552 (-mstack-protector-guard-offset): Likewise.
6554 2019-01-18 Jakub Jelinek <jakub@redhat.com>
6556 PR tree-optimization/86214
6557 * tree-inline.h (struct copy_body_data): Add
6558 add_clobbers_to_eh_landing_pads member.
6559 * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
6560 (copy_edges_for_bb): Call it if EH edge destination is <
6561 id->add_clobbers_to_eh_landing_pads. Fix a comment typo.
6562 (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
6563 if flag_stack_reuse != SR_NONE and clear it afterwards.
6565 2019-01-18 Christophe Lyon <christophe.lyon@linaro.org>
6568 * doc/install.texi (with-multilib-list): Document for aarch64.
6570 2019-01-18 Jakub Jelinek <jakub@redhat.com>
6573 * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
6574 (("..."))) with ("...").
6576 2019-01-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6578 * doc/extend.texi (Built-in Functions for Memory Model Aware
6579 Atomic Operations): Document atomic fetch and nand.
6581 2019-01-18 Martin Liska <mliska@suse.cz>
6582 Richard Biener <rguenther@suse.de>
6585 * cgraph.h (create_version_clone_with_body): Add new argument
6587 * cgraphclones.c (cgraph_node::create_version_clone): Add
6588 DECL_ATTRIBUTES to a newly created decl. And call
6589 valid_attribute_p so that proper cl_target_optimization_node
6590 is set for the newly created declaration.
6591 * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
6593 (expand_target_clones): Do not call valid_attribute_p, it must
6595 * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
6598 2019-01-17 Jakub Jelinek <jakub@redhat.com>
6601 * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
6602 (("..."))) with ("..."). Use arch=armv8.2-a+sha3 instead of
6603 arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
6605 2019-01-17 Martin Sebor <msebor@redhat.com>
6608 * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
6609 Handle anti-ranges the same as no range at all.
6611 2018-01-17 Steve Ellcey <sellcey@cavium.com>
6613 * config/aarch64/aarch64.c (cgraph.h): New include.
6614 (intl.h): New include.
6615 (supported_simd_type): New function.
6616 (currently_supported_simd_type): Ditto.
6617 (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
6618 (aarch64_simd_clone_adjust): Ditto.
6619 (aarch64_simd_clone_usable): Ditto.
6620 (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
6621 (TARGET_SIMD_CLONE_ADJUST): Ditto.
6622 (TARGET_SIMD_CLONE_USABLE): Ditto.
6623 * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
6624 * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
6627 2019-01-17 Martin Sebor <msebor@redhat.com>
6629 PR tree-optimization/88800
6630 * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
6631 NO_WARNING bit here. Avoid folding out-of-bounds calls.
6632 * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
6633 redundant argument. Add new argument and issue diagnostics under
6634 its control. Detect out-of-bounds access even with warnings
6636 (check_bounds_or_overlap): Change return type. Add argument.
6637 (wrestrict_dom_walker::check_call): Adjust.
6638 * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
6639 * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
6640 check_bounds_or_overlap's return value.
6641 (handle_builtin_stxncpy): Same.
6642 (handle_builtin_strcat): Same.
6644 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
6645 Kwok Cheung Yeung <kcy@codesourcery.com>
6646 Julian Brown <julian@codesourcery.com>
6647 Tom de Vries <tom@codesourcery.com>
6649 * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
6651 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
6653 * doc/sourcebuild.texi: Document dg-require-effective-target
6654 llvm_binutils and offload_gcn.
6656 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
6657 Kwok Cheung Yeung <kcy@codesourcery.com>
6658 Julian Brown <julian@codesourcery.com>
6659 Tom de Vries <tom@codesourcery.com>
6661 * doc/sourcebuild.texi: Document dg-required-effective-target
6664 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
6665 Kwok Cheung Yeung <kcy@codesourcery.com>
6666 Julian Brown <julian@codesourcery.com>
6667 Tom de Vries <tom@codesourcery.com>
6668 Jan Hubicka <hubicka@ucw.cz>
6669 Martin Jambor <mjambor@suse.cz>
6671 * config.gcc: Add amdgcn*-*-amdhsa configuration.
6672 * configure.ac: Check for dlopen.
6673 * configure: Regenerate.
6675 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
6676 Kwok Cheung Yeung <kcy@codesourcery.com>
6677 Julian Brown <julian@codesourcery.com>
6678 Tom de Vries <tom@codesourcery.com>
6679 Jan Hubicka <hubicka@ucw.cz>
6680 Martin Jambor <mjambor@suse.cz>
6682 * common/config/gcn/gcn-common.c: New file.
6683 * config/gcn/driver-gcn.c: New file.
6684 * config/gcn/gcn-builtins.def: New file.
6685 * config/gcn/gcn-hsa.h: New file.
6686 * config/gcn/gcn-modes.def: New file.
6687 * config/gcn/gcn-opts.h: New file.
6688 * config/gcn/gcn-passes.def: New file.
6689 * config/gcn/gcn-protos.h: New file.
6690 * config/gcn/gcn-run.c: New file.
6691 * config/gcn/gcn-tree.c: New file.
6692 * config/gcn/gcn.c: New file.
6693 * config/gcn/gcn.h: New file.
6694 * config/gcn/gcn.opt: New file.
6695 * config/gcn/t-gcn-hsa: New file.
6697 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
6698 Kwok Cheung Yeung <kcy@codesourcery.com>
6699 Julian Brown <julian@codesourcery.com>
6700 Tom de Vries <tom@codesourcery.com>
6701 Jan Hubicka <hubicka@ucw.cz>
6702 Martin Jambor <mjambor@suse.cz>
6704 * config/gcn/constraints.md: New file.
6705 * config/gcn/gcn-valu.md: New file.
6706 * config/gcn/gcn.md: New file.
6707 * config/gcn/predicates.md: New file.
6709 2019-01-17 Eric Botcazou <ebotcazou@adacore.com>
6711 * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
6712 flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
6713 (stmt_uses_0_or_null_in_undefined_way): Likewise.
6714 * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
6716 2019-01-17 Tamar Christina <tamar.christina@arm.com>
6719 * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
6720 * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
6721 it and document registers.
6723 2019-01-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6725 * config/aarch64/aarch64.c (ares_tunings): Define.
6726 * config/aarch64/aarch64-cores.def (ares): Use the above.
6728 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
6732 2018-11-06 Wei Xiao <wei3.xiao@intel.com>
6734 * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
6735 (_mm512_fixupimm_round_pd): Update parameters and builtin.
6736 (_mm512_maskz_fixupimm_round_pd): Ditto.
6737 (_mm512_fixupimm_round_ps): Ditto.
6738 (_mm512_maskz_fixupimm_round_ps): Ditto.
6739 (_mm_fixupimm_round_sd): Ditto.
6740 (_mm_maskz_fixupimm_round_sd): Ditto.
6741 (_mm_fixupimm_round_ss): Ditto.
6742 (_mm_maskz_fixupimm_round_ss): Ditto.
6743 (_mm512_fixupimm_pd): Ditto.
6744 (_mm512_maskz_fixupimm_pd): Ditto.
6745 (_mm512_fixupimm_ps): Ditto.
6746 (_mm512_maskz_fixupimm_ps): Ditto.
6747 (_mm_fixupimm_sd): Ditto.
6748 (_mm_maskz_fixupimm_sd): Ditto.
6749 (_mm_fixupimm_ss): Ditto.
6750 (_mm_maskz_fixupimm_ss): Ditto.
6751 (_mm512_mask_fixupimm_round_pd): Update builtin.
6752 (_mm512_mask_fixupimm_round_ps): Ditto.
6753 (_mm_mask_fixupimm_round_sd): Ditto.
6754 (_mm_mask_fixupimm_round_ss): Ditto.
6755 (_mm512_mask_fixupimm_pd): Ditto.
6756 (_mm512_mask_fixupimm_ps): Ditto.
6757 (_mm_mask_fixupimm_sd): Ditto.
6758 (_mm_mask_fixupimm_ss): Ditto.
6759 * config/i386/avx512vlintrin.h:
6760 (_mm256_fixupimm_pd): Update parameters and builtin.
6761 (_mm256_maskz_fixupimm_pd): Ditto.
6762 (_mm256_fixupimm_ps): Ditto.
6763 (_mm256_maskz_fixupimm_ps): Ditto.
6764 (_mm_fixupimm_pd): Ditto.
6765 (_mm_maskz_fixupimm_pd): Ditto.
6766 (_mm_fixupimm_ps): Ditto.
6767 (_mm_maskz_fixupimm_ps): Ditto.
6768 (_mm256_mask_fixupimm_pd): Update builtin.
6769 (_mm256_mask_fixupimm_ps): Ditto.
6770 (_mm_mask_fixupimm_pd): Ditto.
6771 (_mm_mask_fixupimm_ps): Ditto.
6772 * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
6773 * config/i386/i386-builtin.def: Update builtin definitions.
6774 * config/i386/i386.c: Handle new builtin types and remove useless ones.
6775 * config/i386/sse.md: Update VFIXUPIMM* patterns.
6776 (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
6777 (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
6778 (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
6779 (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
6780 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
6781 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
6782 * config/i386/subst.md:
6783 (round_saeonly_sd_mask_operand4): Add new subst_attr.
6784 (round_saeonly_sd_mask_op4): Ditto.
6785 (round_saeonly_expand_operand5): Ditto.
6786 (round_saeonly_expand): Update.
6788 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
6792 2018-11-12 Wei Xiao <wei3.xiao@intel.com>
6794 * config/i386/sse.md: Combine VFIXUPIMM* patterns
6795 (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
6796 (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
6797 (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
6798 (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
6799 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
6800 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
6802 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
6806 2018-12-15 Jakub Jelinek <jakub@redhat.com>
6809 * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
6810 (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
6811 instead of UNSPEC_FIXUPIMM.
6813 2019-01-17 Richard Biener <rguenther@suse.de>
6816 * dwarf2out.c (want_pubnames): Never generate pubnames sections
6817 and friends for the LTO part of debug info.
6819 2019-01-17 Jakub Jelinek <jakub@redhat.com>
6821 PR tree-optimization/86214
6822 * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
6825 PR rtl-optimization/88870
6826 * dce.c (deletable_insn_p): Never delete const/pure calls that can
6827 throw if we can't alter the cfg or delete dead exceptions.
6828 (mark_insn): Don't call find_call_stack_args for such calls.
6830 2019-01-17 Kewen Lin <linkw@gcc.gnu.org>
6832 * doc/extend.texi: Add four new prototypes for vec_ld and seven new
6833 prototypes for vec_st.
6834 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
6835 for scalar address type variants of altivec_vec_ld/altivec_vec_st,
6836 mainly on signed/unsigned long long and double.
6838 2019-01-16 David Malcolm <dmalcolm@redhat.com>
6841 * combine.c (delete_noop_moves): Convert to "bool" return,
6842 returning true if any edges are eliminated.
6843 (combine_instructions): Also return true if delete_noop_moves
6846 2019-01-16 Tamar Christina <tamar.christina@arm.com>
6848 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
6849 correct max nunits for endian swap.
6850 (aarch64_expand_fcmla_builtin): Correct subreg code.
6851 * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
6852 aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
6855 2019-01-16 Uroš Bizjak <ubizjak@gmail.com>
6857 * config/alpha/alpha.c (alpha_gimplify_va_arg):
6858 Handle split indirect COMPLEX_TYPE arguments.
6860 2019-01-16 Richard Earnshaw <rearnsha@arm.com>
6863 * config/aarch64/aarch64-modes.def: Add comment about how the carry
6864 bit is set by add and compare.
6865 (CC_ADC): New CC_MODE.
6866 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
6867 to cache the code and mode of X. Adjust the shape of a CC_Cmode
6868 comparison. Add detection for CC_ADCmode.
6869 (aarch64_get_condition_code_1): Update code support for CC_Cmode. Add
6871 * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
6872 (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
6873 (add<mode>3_compareC_cconly_imm): Delete. Merge into...
6874 (add<mode>3_compareC_cconly): ... this. Restructure the comparison
6875 to eliminate the need for zero-extending the operands.
6876 (add<mode>3_compareC_imm): Delete. Merge into ...
6877 (add<mode>3_compareC): ... this. Restructure the comparison to
6878 eliminate the need for zero-extending the operands.
6879 (add<mode>3_carryin): Use LTU for the overflow detection.
6880 (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
6881 Reexpress comparison for overflow.
6882 (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
6883 (add<mode>3_carryinC): Likewise.
6884 (add<mode>3_carryinV): Use LTU for carry between partials.
6885 * config/aarch64/predicates.md (aarch64_carry_operation): Update
6886 handling of CC_Cmode and add CC_ADCmode.
6887 (aarch64_borrow_operation): Likewise.
6889 2019-01-16 Tamar Christina <tamar.christina@arm.com>
6891 * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
6892 * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
6893 * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
6894 neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
6896 2019-01-16 Martin Liska <mliska@suse.cz>
6898 * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
6900 * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
6902 * gcc.c (add_sysrooted_hdrs_prefix): New function.
6903 (path_prefix_reset): Move up in the source file.
6904 (find_fortran_preinclude_file): Make complex search for the
6905 fortran header files.
6907 2019-01-15 Nikhil Benesch <nikhil.benesch@gmail.com>
6909 * godump.c (go_output_typedef): When outputting a typedef, refer
6910 to the underlying type by its name and not its structure.
6912 2019-01-15 David Malcolm <dmalcolm@redhat.com>
6915 * tree.c (build_function_type): Assert that arg_types is not
6918 2019-01-15 Richard Sandiford <richard.sandiford@arm.com>
6921 * doc/extend.texi: Document that listing the stack pointer in the
6922 clobber list of an asm is a deprecated feature.
6923 * common.opt (Wdeprecated): Moved from c-family/c.opt.
6924 * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
6925 warning instead of an error for clobbers of the stack pointer.
6926 Add a note explaining why.
6928 2019-01-15 Richard Biener <rguenther@suse.de>
6931 * dwarf2out.c (gen_member_die): Do not generate inheritance
6934 2019-01-15 Richard Biener <rguenther@suse.de>
6936 PR tree-optimization/88855
6937 * tree-if-conv.c (combine_blocks): Collect
6938 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
6940 2019-01-15 Tom de Vries <tdevries@suse.de>
6943 * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
6944 lhs == NULL_TREE for gang-level reduction.
6946 2019-01-15 Richard Biener <rguenther@suse.de>
6947 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
6950 * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
6951 return true if SSA_NAME is already marked in visited bitmap.
6952 (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
6954 2019-01-15 Jakub Jelinek <jakub@redhat.com>
6956 PR tree-optimization/88775
6957 * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
6958 equal == 0 equality pointer comparisons some more if compared in
6959 integral types and either one points to an automatic var and the
6960 other to a global, or we can prove at least one points to the middle
6961 or both point to start or both point to end.
6963 2019-01-14 Andi Kleen <ak@linux.intel.com>
6965 * Makefile.in: Lower autofdo sampling rate by 10x.
6966 * Makefile.tpl: Dito.
6968 2019-01-14 Tom Honermann <tom@honermann.net>
6970 * defaults.h: Define CHAR8_TYPE.
6972 2019-01-14 Martin Sebor <msebor@redhat.com>
6975 * doc/extend.texi (Darwin Format Checks): Clarify.
6977 2019-01-14 Richard Biener <rguenther@suse.de>
6979 * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
6980 whether we are in (simplify ...) or (match ...) context.
6982 2019-01-14 Jakub Jelinek <jakub@redhat.com>
6984 PR rtl-optimization/88796
6985 * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
6986 * cfgexpand.c (stack_protect_prologue): Initialize
6987 crtl->stack_protect_guard_decl.
6988 * function.c (stack_protect_epilogue): Use it instead of calling
6989 targetm.stack_protect_guard again.
6990 * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
6991 MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
6992 crtl->stack_protect_guard_decl.
6993 * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
6994 on the returned MEM_EXPR.
6996 2019-01-12 Tom de Vries <tdevries@suse.de>
6998 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
6999 vector length using -fopenacc-dim.
7001 2019-01-12 Tom de Vries <tdevries@suse.de>
7003 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
7004 lengths into account.
7006 2019-01-12 Svante Signell <svante.signell@gmail.com>
7008 * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
7009 (TARGET_CAN_SPLIT_STACK): Define.
7010 (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
7012 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
7014 * params.def (inline-unit-growth): Set to 40.
7016 2019-01-12 Jakub Jelinek <jakub@redhat.com>
7018 * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
7020 2019-01-12 Tom de Vries <tdevries@suse.de>
7022 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
7023 region calling vector-partitionable routine, set default_vector_length
7026 2019-01-12 Tom de Vries <tdevries@suse.de>
7028 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
7029 variable default_vector_length.
7031 2019-01-12 Tom de Vries <tdevries@suse.de>
7034 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
7035 from oacc_default_dims, as oacc_validate_dims would do it, and apply
7038 2019-01-12 Tom de Vries <tdevries@suse.de>
7040 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
7041 (nvptx_goacc_validate_dims): Add used parameter.
7042 * doc/tm.texi: Regenerate.
7043 * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
7044 argument to call to targetm.goacc.validate_dims.
7045 (default_goacc_validate_dims): Add used
7047 * target.def (validate_dims): Add used parameter in DEFHOOK.
7048 * targhooks.h (default_goacc_validate_dims): Add used parameter.
7050 2019-01-11 Jakub Jelinek <jakub@redhat.com>
7054 * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
7056 * tree-inline.c (remap_type_1): Formatting fix. If TYPE_MAX_VALUE of
7057 ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
7058 a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
7059 * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
7061 2019-01-11 Vladimir Makarov <vmakarov@redhat.com>
7063 PR rtl-optimization/87305
7065 (setup_live_pseudos_and_spill_after_risky_transforms): Add code
7066 for little endian pseudos used as paradoxical subreg.
7068 2019-01-11 Jakub Jelinek <jakub@redhat.com>
7070 PR tree-optimization/88693
7071 * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
7072 for STRING_CSTs that don't contain any NUL characters in the first
7073 TREE_STRING_LENGTH bytes.
7075 2019-01-11 Alan Modra <amodra@gmail.com>
7079 * genattrtab.c (min_fn): Don't translate values.
7080 (min_attr_value): Return INT_MAX when the value can't be calculated.
7081 Return minimum among any values that can be calculated.
7082 (max_attr_value): Adjust.
7084 2019-01-11 Jakub Jelinek <jakub@redhat.com>
7086 * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
7088 2019-01-11 Steve Ellcey <sellcey@marvell.com>
7090 * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
7091 (aarch64_hard_regno_call_part_clobbered): Add insn argument.
7092 (aarch64_return_call_with_max_clobbers): New function.
7093 (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
7094 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
7096 * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
7097 * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
7098 * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
7099 * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
7100 * cselib.c (cselib_process_insn): Add argument to
7101 targetm.hard_regno_call_part_clobbered call.
7102 * ira-conflicts.c (ira_build_conflicts): Ditto.
7103 * ira-costs.c (ira_tune_allocno_costs): Ditto.
7104 * lra-constraints.c (inherit_reload_reg): Ditto.
7105 * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
7106 * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
7107 argument. Call targetm.return_call_with_max_clobbers.
7108 Add argument to targetm.hard_regno_call_part_clobbered call.
7109 (calls_have_same_clobbers_p): New function.
7110 (process_bb_lives): Add call_insn and last_call_insn variables.
7111 Pass call_insn to check_pseudos_live_through_calls.
7112 Modify if stmt to check targetm.return_call_with_max_clobbers.
7113 Update setting of flush variable.
7114 (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
7116 * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
7117 * regcprop.c (copyprop_hardreg_forward_1): Add argument to
7118 targetm.hard_regno_call_part_clobbered call.
7119 * reginfo.c (choose_hard_reg_mode): Ditto.
7120 * regrename.c (check_new_reg_p): Ditto.
7121 * reload.c (find_equiv_reg): Ditto.
7122 * reload1.c (emit_reload_insns): Ditto.
7123 * sched-deps.c (deps_analyze_insn): Ditto.
7124 * sel-sched.c (init_regs_for_mode): Ditto.
7125 (mark_unavailable_hard_regs): Ditto.
7126 * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
7127 * target.def (hard_regno_call_part_clobbered): Add insn argument.
7128 (return_call_with_max_clobbers): New target function.
7129 * doc/tm.texi: Regenerate.
7130 * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
7131 * hooks.c (hook_bool_uint_mode_false): Change to
7132 hook_bool_insn_uint_mode_false.
7133 * hooks.h (hook_bool_uint_mode_false): Ditto.
7135 2019-01-11 Steve Ellcey <sellcey@marvell.com>
7137 * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
7138 (aarch64_remove_extra_call_preserved_regs): New function.
7139 (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
7140 * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
7141 * doc/tm.texi: Regenerate.
7142 * final.c (get_call_reg_set_usage): Call new hook.
7143 * target.def (remove_extra_call_preserved_regs): New hook.
7144 * targhooks.c (default_remove_extra_call_preserved_regs): New function.
7145 * targhooks.h (default_remove_extra_call_preserved_regs): New function.
7147 2019-01-11 Jakub Jelinek <jakub@redhat.com>
7150 * passes.c (finish_optimization_passes): Call print_combine_total_stats
7151 inside of pass_combine_1 dump rather than pass_profile_1.
7153 2019-01-11 Tom de Vries <tdevries@suse.de>
7155 * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
7156 (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
7157 (PTX_NUM_PER_WORKER_BARRIERS): Define.
7158 (nvptx_apply_dim_limits): Prevent vector_length 64 and
7161 2019-01-11 Tom de Vries <tdevries@suse.de>
7163 * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
7165 2019-01-11 Jan Beulich <jbeulich@suse.com>
7167 * config/i386/i386.md (rex64suffix): Add L suffix for SI.
7168 * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
7169 sse2_cvtsi2sd): Add {l}.
7170 (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
7173 2019-01-10 Jakub Jelinek <jakub@redhat.com>
7176 * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
7178 (*float<floatunssuffix>v2div2sf2): New define_insn.
7179 (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
7180 (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
7181 (*float<floatunssuffix>v2div2sf2_mask_1): Replace
7182 subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
7183 match_operands with "const0_operand" "C".
7185 2019-01-10 Tamar Christina <tamar.christina@arm.com>
7187 * config/aarch64/aarch64-builtins.c
7188 (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
7189 (aarch64_init_simd_builtins): ...Here
7191 2019-01-10 Vladimir Makarov <vmakarov@redhat.com>
7193 PR rtl-optimization/87305
7195 (setup_live_pseudos_and_spill_after_risky_transforms): Check
7196 allocation for big endian pseudos used as paradoxical subregs and
7197 spill them if it is wrong.
7198 * lra-constraints.c (lra_constraints): Add a comment.
7200 2019-01-10 Richard Biener <rguenther@suse.de>
7202 PR tree-optimization/88792
7203 * tree-ssa-pre.c (get_representative_for): Do not return a
7206 2019-01-10 Jakub Jelinek <jakub@redhat.com>
7210 * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
7211 (assign_parm_setup_block): Do the argument slot realignment here
7214 2019-01-10 Stefan Agner <stefan@agner.ch>
7217 * config/arm/arm.c (arm_option_override_internal): Force
7218 opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
7220 2019-01-10 Jakub Jelinek <jakub@redhat.com>
7223 * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
7226 2019-01-10 Tamar Christina <tamar.christina@arm.com>
7228 * config/arm/arm-builtins.c
7229 (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
7230 (MAC_LANE_PAIR_QUALIFIERS): New.
7231 (arm_expand_builtin_args): Use it.
7232 (arm_expand_builtin_1): Likewise.
7233 * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
7234 * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
7235 * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
7236 * config/arm/arm_neon.h:
7237 (vcadd_rot90_f16): New.
7238 (vcaddq_rot90_f16): New.
7239 (vcadd_rot270_f16): New.
7240 (vcaddq_rot270_f16): New.
7243 (vcmla_lane_f16): New.
7244 (vcmla_laneq_f16): New.
7245 (vcmlaq_lane_f16): New.
7246 (vcmlaq_laneq_f16): New.
7247 (vcmla_rot90_f16): New.
7248 (vcmlaq_rot90_f16): New.
7249 (vcmla_rot90_lane_f16): New.
7250 (vcmla_rot90_laneq_f16): New.
7251 (vcmlaq_rot90_lane_f16): New.
7252 (vcmlaq_rot90_laneq_f16): New.
7253 (vcmla_rot180_f16): New.
7254 (vcmlaq_rot180_f16): New.
7255 (vcmla_rot180_lane_f16): New.
7256 (vcmla_rot180_laneq_f16): New.
7257 (vcmlaq_rot180_lane_f16): New.
7258 (vcmlaq_rot180_laneq_f16): New.
7259 (vcmla_rot270_f16): New.
7260 (vcmlaq_rot270_f16): New.
7261 (vcmla_rot270_lane_f16): New.
7262 (vcmla_rot270_laneq_f16): New.
7263 (vcmlaq_rot270_lane_f16): New.
7264 (vcmlaq_rot270_laneq_f16): New.
7265 (vcadd_rot90_f32): New.
7266 (vcaddq_rot90_f32): New.
7267 (vcadd_rot270_f32): New.
7268 (vcaddq_rot270_f32): New.
7271 (vcmla_lane_f32): New.
7272 (vcmla_laneq_f32): New.
7273 (vcmlaq_lane_f32): New.
7274 (vcmlaq_laneq_f32): New.
7275 (vcmla_rot90_f32): New.
7276 (vcmlaq_rot90_f32): New.
7277 (vcmla_rot90_lane_f32): New.
7278 (vcmla_rot90_laneq_f32): New.
7279 (vcmlaq_rot90_lane_f32): New.
7280 (vcmlaq_rot90_laneq_f32): New.
7281 (vcmla_rot180_f32): New.
7282 (vcmlaq_rot180_f32): New.
7283 (vcmla_rot180_lane_f32): New.
7284 (vcmla_rot180_laneq_f32): New.
7285 (vcmlaq_rot180_lane_f32): New.
7286 (vcmlaq_rot180_laneq_f32): New.
7287 (vcmla_rot270_f32): New.
7288 (vcmlaq_rot270_f32): New.
7289 (vcmla_rot270_lane_f32): New.
7290 (vcmla_rot270_laneq_f32): New.
7291 (vcmlaq_rot270_lane_f32): New.
7292 (vcmlaq_rot270_laneq_f32): New.
7293 * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
7294 vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
7295 vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
7296 vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
7297 vcmlaq_lane270): New.
7298 * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
7299 neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
7300 * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
7301 * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
7302 (arm_option_reconfigure_globals): Use them.
7303 * config/arm/iterators.md (VDF, VQ_HSF): New.
7304 (VCADD, VCMLA): New.
7305 (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
7306 * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
7308 * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
7309 UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
7311 2019-01-10 Tamar Christina <tamar.christina@arm.com>
7313 * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
7314 Add qualifier_lane_pair_index.
7315 (emit-rtl.h): Include.
7316 (TYPES_QUADOP_LANE_PAIR): New.
7317 (aarch64_simd_expand_args): Use it.
7318 (aarch64_simd_expand_builtin): Likewise.
7319 (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
7321 (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
7322 AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
7323 aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
7324 (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
7325 (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
7326 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
7327 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
7328 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
7329 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
7330 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
7331 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
7332 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
7333 * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
7334 * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
7335 Add __ARM_FEATURE_COMPLEX.
7336 * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
7337 fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
7338 fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
7339 fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
7340 fcmlaq_lane270): New.
7341 * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
7342 aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
7343 aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
7344 * config/aarch64/arm_neon.h:
7345 (vcadd_rot90_f16): New.
7346 (vcaddq_rot90_f16): New.
7347 (vcadd_rot270_f16): New.
7348 (vcaddq_rot270_f16): New.
7351 (vcmla_lane_f16): New.
7352 (vcmla_laneq_f16): New.
7353 (vcmlaq_lane_f16): New.
7354 (vcmlaq_rot90_lane_f16): New.
7355 (vcmla_rot90_laneq_f16): New.
7356 (vcmla_rot90_lane_f16): New.
7357 (vcmlaq_rot90_f16): New.
7358 (vcmla_rot90_f16): New.
7359 (vcmlaq_laneq_f16): New.
7360 (vcmla_rot180_laneq_f16): New.
7361 (vcmla_rot180_lane_f16): New.
7362 (vcmlaq_rot180_f16): New.
7363 (vcmla_rot180_f16): New.
7364 (vcmlaq_rot90_laneq_f16): New.
7365 (vcmlaq_rot270_laneq_f16): New.
7366 (vcmlaq_rot270_lane_f16): New.
7367 (vcmla_rot270_laneq_f16): New.
7368 (vcmlaq_rot270_f16): New.
7369 (vcmla_rot270_f16): New.
7370 (vcmlaq_rot180_laneq_f16): New.
7371 (vcmlaq_rot180_lane_f16): New.
7372 (vcmla_rot270_lane_f16): New.
7373 (vcadd_rot90_f32): New.
7374 (vcaddq_rot90_f32): New.
7375 (vcaddq_rot90_f64): New.
7376 (vcadd_rot270_f32): New.
7377 (vcaddq_rot270_f32): New.
7378 (vcaddq_rot270_f64): New.
7382 (vcmla_lane_f32): New.
7383 (vcmla_laneq_f32): New.
7384 (vcmlaq_lane_f32): New.
7385 (vcmlaq_laneq_f32): New.
7386 (vcmla_rot90_f32): New.
7387 (vcmlaq_rot90_f32): New.
7388 (vcmlaq_rot90_f64): New.
7389 (vcmla_rot90_lane_f32): New.
7390 (vcmla_rot90_laneq_f32): New.
7391 (vcmlaq_rot90_lane_f32): New.
7392 (vcmlaq_rot90_laneq_f32): New.
7393 (vcmla_rot180_f32): New.
7394 (vcmlaq_rot180_f32): New.
7395 (vcmlaq_rot180_f64): New.
7396 (vcmla_rot180_lane_f32): New.
7397 (vcmla_rot180_laneq_f32): New.
7398 (vcmlaq_rot180_lane_f32): New.
7399 (vcmlaq_rot180_laneq_f32): New.
7400 (vcmla_rot270_f32): New.
7401 (vcmlaq_rot270_f32): New.
7402 (vcmlaq_rot270_f64): New.
7403 (vcmla_rot270_lane_f32): New.
7404 (vcmla_rot270_laneq_f32): New.
7405 (vcmlaq_rot270_lane_f32): New.
7406 (vcmlaq_rot270_laneq_f32): New.
7407 * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
7408 * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
7409 UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
7410 (FCADD, FCMLA): New.
7412 * config/arm/types.md (neon_fcadd, neon_fcmla): New.
7414 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
7418 * config/pa/pa.c: Change "can not" to "cannot".
7419 * gimple-ssa-evrp-analyze.c: Likewise.
7420 * ipa-icf.c: Likewise.
7421 * ipa-polymorphic-call.c: Likewise.
7422 * ipa-pure-const.c: Likewise.
7423 * lra-constraints.c: Likewise.
7424 * lra-remat.c: Likewise.
7425 * reload1.c: Likewise.
7426 * reorg.c: Likewise.
7427 * tree-ssa-uninit.c: Likewise.
7429 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
7433 * Makefile.in: Mechanically replace "can not" with "cannot".
7434 * alias.c: Likewise.
7435 * builtins.c: Likewise.
7436 * calls.c: Likewise.
7437 * cgraph.c: Likewise.
7438 * cgraph.h: Likewise.
7439 * cgraphclones.c: Likewise.
7440 * cgraphunit.c: Likewise.
7441 * combine-stack-adj.c: Likewise.
7442 * combine.c: Likewise.
7443 * common/config/i386/i386-common.c: Likewise.
7444 * config/aarch64/aarch64.c: Likewise.
7445 * config/alpha/sync.md: Likewise.
7446 * config/arc/arc.c: Likewise.
7447 * config/arc/predicates.md: Likewise.
7448 * config/arm/arm-c.c: Likewise.
7449 * config/arm/arm.c: Likewise.
7450 * config/arm/arm.h: Likewise.
7451 * config/arm/arm.md: Likewise.
7452 * config/arm/cortex-r4f.md: Likewise.
7453 * config/csky/csky.c: Likewise.
7454 * config/csky/csky.h: Likewise.
7455 * config/darwin-f.c: Likewise.
7456 * config/epiphany/epiphany.md: Likewise.
7457 * config/i386/i386.c: Likewise.
7458 * config/i386/sol2.h: Likewise.
7459 * config/m68k/m68k.c: Likewise.
7460 * config/mcore/mcore.h: Likewise.
7461 * config/microblaze/microblaze.md: Likewise.
7462 * config/mips/20kc.md: Likewise.
7463 * config/mips/sb1.md: Likewise.
7464 * config/nds32/nds32.c: Likewise.
7465 * config/nds32/predicates.md: Likewise.
7466 * config/pa/pa.c: Likewise.
7467 * config/rs6000/e300c2c3.md: Likewise.
7468 * config/rs6000/rs6000.c: Likewise.
7469 * config/s390/s390.h: Likewise.
7470 * config/sh/sh.c: Likewise.
7471 * config/sh/sh.md: Likewise.
7472 * config/spu/vmx2spu.h: Likewise.
7473 * cprop.c: Likewise.
7474 * dbxout.c: Likewise.
7475 * df-scan.c: Likewise.
7476 * doc/cfg.texi: Likewise.
7477 * doc/extend.texi: Likewise.
7478 * doc/fragments.texi: Likewise.
7479 * doc/gty.texi: Likewise.
7480 * doc/invoke.texi: Likewise.
7481 * doc/lto.texi: Likewise.
7482 * doc/md.texi: Likewise.
7483 * doc/objc.texi: Likewise.
7484 * doc/rtl.texi: Likewise.
7485 * doc/tm.texi: Likewise.
7487 * emit-rtl.c: Likewise.
7488 * emit-rtl.h: Likewise.
7489 * except.c: Likewise.
7490 * expmed.c: Likewise.
7492 * fold-const.c: Likewise.
7493 * genautomata.c: Likewise.
7494 * gimple-fold.c: Likewise.
7495 * hard-reg-set.h: Likewise.
7496 * ifcvt.c: Likewise.
7497 * ipa-comdats.c: Likewise.
7498 * ipa-cp.c: Likewise.
7499 * ipa-devirt.c: Likewise.
7500 * ipa-fnsummary.c: Likewise.
7501 * ipa-icf.c: Likewise.
7502 * ipa-inline-transform.c: Likewise.
7503 * ipa-inline.c: Likewise.
7504 * ipa-polymorphic-call.c: Likewise.
7505 * ipa-profile.c: Likewise.
7506 * ipa-prop.c: Likewise.
7507 * ipa-pure-const.c: Likewise.
7508 * ipa-reference.c: Likewise.
7509 * ipa-split.c: Likewise.
7510 * ipa-visibility.c: Likewise.
7512 * ira-build.c: Likewise.
7513 * ira-color.c: Likewise.
7514 * ira-conflicts.c: Likewise.
7515 * ira-costs.c: Likewise.
7516 * ira-int.h: Likewise.
7517 * ira-lives.c: Likewise.
7520 * loop-invariant.c: Likewise.
7521 * loop-unroll.c: Likewise.
7522 * lower-subreg.c: Likewise.
7523 * lra-assigns.c: Likewise.
7524 * lra-constraints.c: Likewise.
7525 * lra-eliminations.c: Likewise.
7526 * lra-lives.c: Likewise.
7527 * lra-remat.c: Likewise.
7528 * lra-spills.c: Likewise.
7530 * lto-cgraph.c: Likewise.
7531 * lto-streamer-out.c: Likewise.
7532 * postreload-gcse.c: Likewise.
7533 * predict.c: Likewise.
7534 * profile-count.h: Likewise.
7535 * profile.c: Likewise.
7536 * recog.c: Likewise.
7538 * reload.c: Likewise.
7539 * reload1.c: Likewise.
7540 * reorg.c: Likewise.
7541 * resource.c: Likewise.
7542 * rtl.def: Likewise.
7544 * rtlanal.c: Likewise.
7545 * sched-deps.c: Likewise.
7546 * sched-ebb.c: Likewise.
7547 * sched-rgn.c: Likewise.
7548 * sel-sched-ir.c: Likewise.
7549 * sel-sched.c: Likewise.
7550 * shrink-wrap.c: Likewise.
7551 * simplify-rtx.c: Likewise.
7552 * symtab.c: Likewise.
7553 * target.def: Likewise.
7554 * toplev.c: Likewise.
7555 * tree-call-cdce.c: Likewise.
7556 * tree-cfg.c: Likewise.
7557 * tree-complex.c: Likewise.
7558 * tree-core.h: Likewise.
7559 * tree-eh.c: Likewise.
7560 * tree-inline.c: Likewise.
7561 * tree-loop-distribution.c: Likewise.
7562 * tree-nrv.c: Likewise.
7563 * tree-profile.c: Likewise.
7564 * tree-sra.c: Likewise.
7565 * tree-ssa-alias.c: Likewise.
7566 * tree-ssa-dce.c: Likewise.
7567 * tree-ssa-dom.c: Likewise.
7568 * tree-ssa-forwprop.c: Likewise.
7569 * tree-ssa-loop-im.c: Likewise.
7570 * tree-ssa-loop-ivcanon.c: Likewise.
7571 * tree-ssa-loop-ivopts.c: Likewise.
7572 * tree-ssa-loop-niter.c: Likewise.
7573 * tree-ssa-phionlycprop.c: Likewise.
7574 * tree-ssa-phiopt.c: Likewise.
7575 * tree-ssa-propagate.c: Likewise.
7576 * tree-ssa-threadedge.c: Likewise.
7577 * tree-ssa-threadupdate.c: Likewise.
7578 * tree-ssa-uninit.c: Likewise.
7579 * tree-ssanames.c: Likewise.
7580 * tree-streamer-out.c: Likewise.
7583 * vr-values.c: Likewise.
7585 2019-01-09 Uroš Bizjak <ubizjak@gmail.com>
7587 * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
7588 (ix86_split_xorsign): Ditto.
7589 * config/i386/i386.c (ix86_expand_xorsign): New function.
7590 (ix86_split_xorsign): Ditto.
7591 * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
7592 (xorsign<mode>3): New expander.
7593 (xorsign<mode>3_1): New insn_and_split pattern.
7594 * config/i386/sse.md (xorsign<mode>3): New expander.
7596 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
7598 * config/sparc/sparc.md (*tablejump_sp32): Merge into...
7599 (*tablejump_sp64): Likewise.
7600 (*tablejump<P:mode>): ...this.
7601 (*call_address_sp32): Merge into...
7602 (*call_address_sp64): Likewise.
7603 (*call_address<P:mode>): ...this.
7604 (*call_symbolic_sp32): Merge into...
7605 (*call_symbolic_sp64): Likewise.
7606 (*call_symbolic<P:mode>): ...this.
7607 (call_value): Remove constraint and add predicate.
7608 (*call_value_address_sp32): Merge into...
7609 (*call_value_address_sp64): Likewise.
7610 (*call_value_address<P:mode>): ...this.
7611 (*call_value_symbolic_sp32): Merge into...
7612 (*call_value_symbolic_sp64): Likewise.
7613 (*call_value_symbolic<P:mode>): ...this.
7614 (*sibcall_symbolic_sp32): Merge into...
7615 (*sibcall_symbolic_sp64): Likewise.
7616 (*sibcall_symbolic<P:mode>): ...this.
7617 (sibcall_value): Remove constraint and add predicate.
7618 (*sibcall_value_symbolic_sp32): Merge into...
7619 (*sibcall_value_symbolic_sp64): Likewise.
7620 (*sibcall_value_symbolic<P:mode>): ...this.
7621 (window_save): Minor tweak.
7622 (*branch_sp32): Merge into...
7623 (*branch_sp64): Likewise.
7624 (*branch<P:mode>): ...this.
7626 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
7627 James Clarke <jrtc27@jrtc27.com>
7630 * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
7631 consistently in TLS address generation and adjust code to the renaming
7632 of patterns. Mark calls to __tls_get_addr as const.
7633 * config/sparc/sparc.md (tgd_hi22): Turn into...
7634 (tgd_hi22<P:mode>): ...this and use Pmode throughout.
7635 (tgd_lo10): Turn into...
7636 (tgd_lo10<P:mode>): ...this and use Pmode throughout.
7637 (tgd_add32): Merge into...
7638 (tgd_add64): Likewise.
7639 (tgd_add<P:mode>): ...this and use Pmode throughout.
7640 (tldm_hi22): Turn into...
7641 (tldm_hi22<P:mode>): ...this and use Pmode throughout.
7642 (tldm_lo10): Turn into...
7643 (tldm_lo10<P:mode>): ...this and use Pmode throughout.
7644 (tldm_add32): Merge into...
7645 (tldm_add64): Likewise.
7646 (tldm_add<P:mode>): ...this and use Pmode throughout.
7647 (tldm_call32): Merge into...
7648 (tldm_call64): Likewise.
7649 (tldm_call<P:mode>): ...this and use Pmode throughout.
7650 (tldo_hix22): Turn into...
7651 (tldo_hix22<P:mode>): ...this and use Pmode throughout.
7652 (tldo_lox10): Turn into...
7653 (tldo_lox10<P:mode>): ...this and use Pmode throughout.
7654 (tldo_add32): Merge into...
7655 (tldo_add64): Likewise.
7656 (tldo_add<P:mode>): ...this and use Pmode throughout.
7657 (tie_hi22): Turn into...
7658 (tie_hi22<P:mode>): ...this and use Pmode throughout.
7659 (tie_lo10): Turn into...
7660 (tie_lo10<P:mode>): ...this and use Pmode throughout.
7661 (tie_ld64): Use DImode throughout.
7662 (tie_add32): Merge into...
7663 (tie_add64): Likewise.
7664 (tie_add<P:mode>): ...this and use Pmode throughout.
7665 (tle_hix22_sp32): Merge into...
7666 (tle_hix22_sp64): Likewise.
7667 (tle_hix22<P:mode>): ...this and use Pmode throughout.
7668 (tle_lox22_sp32): Merge into...
7669 (tle_lox22_sp64): Likewise.
7670 (tle_lox22<P:mode>): ...this and use Pmode throughout.
7671 (*tldo_ldub_sp32): Merge into...
7672 (*tldo_ldub_sp64): Likewise.
7673 (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
7674 (*tldo_ldub1_sp32): Merge into...
7675 (*tldo_ldub1_sp64): Likewise.
7676 (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
7677 (*tldo_ldub2_sp32): Merge into...
7678 (*tldo_ldub2_sp64): Likewise.
7679 (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
7680 (*tldo_ldsb1_sp32): Merge into...
7681 (*tldo_ldsb1_sp64): Likewise.
7682 (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
7683 (*tldo_ldsb2_sp32): Merge into...
7684 (*tldo_ldsb2_sp64): Likewise.
7685 (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
7686 (*tldo_ldub3_sp64): Use DImode throughout.
7687 (*tldo_ldsb3_sp64): Likewise.
7688 (*tldo_lduh_sp32): Merge into...
7689 (*tldo_lduh_sp64): Likewise.
7690 (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
7691 (*tldo_lduh1_sp32): Merge into...
7692 (*tldo_lduh1_sp64): Likewise.
7693 (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
7694 (*tldo_ldsh1_sp32): Merge into...
7695 (*tldo_ldsh1_sp64): Likewise.
7696 (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
7697 (*tldo_lduh2_sp64): Use DImode throughout.
7698 (*tldo_ldsh2_sp64): Likewise.
7699 (*tldo_lduw_sp32): Merge into...
7700 (*tldo_lduw_sp64): Likewise.
7701 (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
7702 (*tldo_lduw1_sp64): Use DImode throughout.
7703 (*tldo_ldsw1_sp64): Likewise.
7704 (*tldo_ldx_sp64): Likewise.
7705 (*tldo_stb_sp32): Merge into...
7706 (*tldo_stb_sp64): Likewise.
7707 (*tldo_stb<P:mode>): ...this and use Pmode throughout.
7708 (*tldo_sth_sp32): Merge into...
7709 (*tldo_sth_sp64): Likewise.
7710 (*tldo_sth<P:mode>): ...this and use Pmode throughout.
7711 (*tldo_stw_sp32): Merge into...
7712 (*tldo_stw_sp64): Likewise.
7713 (*tldo_stw<P:mode>): ...this and use Pmode throughout.
7714 (*tldo_stx_sp64): Use DImode throughout.
7716 2018-01-09 Sudakshina Das <sudi.das@arm.com>
7718 * config/aarch64/aarch64.c (aarch64_override_options): Add case to
7719 check configure option to set BTI and Return Address Signing.
7720 * configure.ac: Add --enable-standard-branch-protection and
7721 --disable-standard-branch-protection.
7722 * configure: Regenerated.
7723 * doc/install.texi: Document the same.
7725 2018-01-09 Sudakshina Das <sudi.das@arm.com>
7726 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7728 * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
7729 * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
7730 * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
7732 * config/aarch64/aarch64-bti-insert.c: New file.
7733 * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
7735 * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
7737 * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
7738 UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
7739 (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
7740 * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
7742 2018-01-09 Sudakshina Das <sudi.das@arm.com>
7744 * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
7745 * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
7746 Disable bti for -mbranch-protection=none.
7747 (aarch64_handle_standard_branch_protection): Enable bti for
7748 -mbranch-protection=standard.
7749 (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
7750 -mbranch-protection.
7751 (aarch64_bti_enabled): Check if bti is enabled.
7752 * config/aarch64/aarch64.opt: Declare target variable.
7753 * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
7755 2018-01-09 Sudakshina Das <sudi.das@arm.com>
7757 * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
7758 epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
7759 (aarch64_expand_epilogue): Likewise.
7760 (aarch64_output_mi_thunk): Likewise
7761 * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
7762 TAILCALL_ADDR_REGS to x16 and x17.
7763 * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
7765 2018-01-09 Sudakshina Das <sudi.das@arm.com>
7767 * config/aarch64/aarch64-option-extensions.def: Define
7768 AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
7769 * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
7770 (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
7771 (AARCH64_FL_PREDRES): New.
7772 (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
7773 AARCH64_FL_PREDRES by default.
7774 * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
7776 2018-01-09 Sudakshina Das <sudi.das@arm.com>
7778 * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
7780 * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
7781 (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
7782 * doc/invoke.texi: Document ARMv8.5-A.
7784 2019-01-09 Alejandro Martinez <alejandro.martinezvicente@arm.com>
7786 * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
7787 (xorsign<mode>3): Likewise.
7789 2019-01-09 Jelinek <jakub@redhat.com>
7792 * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
7793 vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
7795 PR rtl-optimization/88331
7796 * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
7797 not currently_expanding_to_rtl.
7799 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
7801 * doc/invoke.texi (-Os): Remove trailing spaces.
7802 (-finline-functions): Remove reference to -O2.
7804 2019-01-08 Jakub Jelinek <jakub@redhat.com>
7806 PR rtl-optimization/79593
7807 * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
7809 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
7810 UNSPEC_FUSION_GPR to its argument. Formatting fixes.
7812 2019-01-08 Eric Botcazou <ebotcazou@adacore.com>
7815 * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
7819 * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
7820 UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
7822 2019-01-08 H.J. Lu <hongjiu.lu@intel.com>
7825 * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
7826 ix86_avx_u128_mode_entry.
7828 2019-01-08 Martin Liska <mliska@suse.cz>
7830 PR tree-optimization/88753
7831 * tree-switch-conversion.c (switch_conversion::build_one_array):
7832 Come up with local variable constructor. Convert first to
7833 type of constructor values.
7835 2019-01-08 Richard Biener <rguenther@suse.de>
7837 PR tree-optimization/86554
7838 * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
7839 rpo_avail): Move earlier.
7840 (visit_nary_op): When value-numbering to expressions
7841 with different overflow behavior make sure there's an
7842 available expression on the path.
7844 2019-01-08 Sam Tebbs <sam.tebbs@arm.com>
7846 * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
7847 aarch64_parse_branch_protection,
7848 struct aarch64_branch_protect_type,
7849 aarch64_handle_no_branch_protection,
7850 aarch64_handle_standard_branch_protection,
7851 aarch64_validate_mbranch_protection,
7852 aarch64_handle_pac_ret_protection,
7853 aarch64_handle_attr_branch_protection,
7854 accepted_branch_protection_string,
7855 aarch64_pac_ret_subtypes,
7856 aarch64_branch_protect_types,
7857 aarch64_handle_pac_ret_leaf): Define.
7858 (aarch64_override_options_after_change_1, aarch64_override_options):
7859 Add check for accepted_branch_protection_string.
7860 (aarch64_option_save): Save accepted_branch_protection_string.
7861 (aarch64_option_restore): Save accepted_branch_protection_string.
7862 * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
7863 * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
7864 msign-return-address.
7865 * doc/invoke.texi: Add mbranch-protection.
7867 2019-01-08 Alan Modra <amodra@gmail.com>
7870 * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
7871 Delete "unknownp" parameter. Adjust callers. Handle
7872 CONST_INT, PLUS, MINUS, and MULT.
7873 (attr_value_aligned): Renamed from or_attr_value.
7874 (min_attr_value): Return INT_MIN for unhandled rtl case..
7875 (min_fn): ..and translate to INT_MAX here.
7876 (write_length_unit_log): Modify to cope without "unknown".
7877 (write_attr_value): Handle IF_THEN_ELSE.
7879 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
7881 * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
7882 optimization for masked stores.
7884 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
7887 * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
7888 output vector directly to duplicate_and_interleave instead of
7889 going through a temporary. Postpone insertion of ctor_seq to
7890 the end of the loop.
7892 2019-01-07 Richard Earnshaw <rearnsha@arm.com>
7895 * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
7896 unsigned_p. Handle signed and unsigned overflow correction as
7898 * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
7900 * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
7902 (add<mode>3_compareV_imm): Make this callable for expanding.
7903 (subv<GPI:mode>4): Use register_operand for operand 1. Use
7904 aarch64_plus_operand for operand 2.
7905 (subv<GPI:mode>_insn): New insn pattern.
7906 (subv<GPI:mode>_imm): Likewise.
7907 (negv<GPI:mode>3): New expand pattern.
7908 (negv<GPI:mode>_insn): New insn pattern.
7909 (negv<GPI:mode>_cmp_only): Likewise.
7910 (cmpv<GPI:mode>_insn): Likewise.
7911 (subvti4): Use register_operand for operand 1. Update call to
7912 aarch64_expand_subvti.
7913 (usubvti4): Likewise.
7914 (negvti3): New expand pattern.
7915 (negdi_carryout): New insn pattern.
7916 (negvdi_carryinV): New insn pattern.
7917 (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
7918 version the named version.
7919 (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
7921 (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
7923 (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
7925 (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
7926 (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
7927 (sub<mode>3_carryinCV): Delete.
7928 (sub<GPI:mode>3_carryinV): New expand pattern.
7929 sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
7931 2019-01-07 Richard Biener <rguenther@suse.de>
7933 * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
7934 of tree_operand_hash.
7936 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
7938 PR tree-optimization/88598
7939 * tree.h (single_nonzero_element): Declare.
7940 * tree.c (single_nonzero_element): New function.
7941 * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
7942 if I is the only nonzero element of CST.
7944 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
7946 PR tree-optimization/88598
7947 * tree.h (initializer_each_zero_or_onep): Declare.
7948 * tree.c (initializer_each_zero_or_onep): New function.
7949 (signed_or_unsigned_type_for): Handle float types too.
7950 (unsigned_type_for, signed_type_for): Update comments accordingly.
7951 * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
7952 x & { 0 or -1, 0 or -1, ... }.
7954 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
7956 * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
7957 with x86_64-pc-linux-gnu.
7959 2019-01-07 Tom de Vries <tdevries@suse.de>
7962 * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
7964 (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
7967 2019-01-07 Jakub Jelinek <jakub@redhat.com>
7969 * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
7970 V_256_512 iterator instead of V_512 and TARGET_AVX instead of
7971 TARGET_AVX512F as condition.
7974 * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
7975 const_not_ok_for_debug_p target hook.
7976 (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
7977 on UNSPEC and subexpressions thereof if all subexpressions of the
7978 UNSPEC are CONSTANT_P.
7980 PR tree-optimization/88676
7981 * tree-ssa-phiopt.c (two_value_replacement): New function.
7982 (tree_ssa_phiopt_worker): Call it.
7985 * cfgexpand.c (expand_stack_vars): Only align prev_offset to
7986 ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
7989 * tree-vect-generic.c: Include insn-config.h and recog.h.
7990 (expand_vector_piecewise): Add defaulted ret_type argument,
7991 if non-NULL, use that in preference to type for the result type.
7992 (expand_vector_parallel): Formatting fix.
7993 (do_vec_conversion, do_vec_narrowing_conversion,
7994 expand_vector_conversion): New functions.
7995 (expand_vector_operations_1): Call expand_vector_conversion
7996 for VEC_CONVERT ifn calls.
7997 * internal-fn.def (VEC_CONVERT): New internal function.
7998 * internal-fn.c (expand_VEC_CONVERT): New function.
7999 * fold-const-call.c (fold_const_vec_convert): New function.
8000 (fold_const_call): Use it for CFN_VEC_CONVERT.
8001 * doc/extend.texi (__builtin_convertvector): Document.
8003 2019-01-07 Tom de Vries <tdevries@suse.de>
8005 * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
8006 * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
8007 vector_red_partition, vector_red_sym): New global variables.
8008 (nvptx_option_override): Initialize vector_red_sym.
8009 (nvptx_declare_function_name): Restore red_partition register.
8010 (nvptx_file_end): Emit code to declare the vector reduction variables.
8011 (nvptx_output_red_partition): New function.
8012 (nvptx_expand_shared_addr): Add vector argument. Use it to handle
8013 large vector reductions.
8014 (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
8015 (nvptx_init_builtins): Add VECTOR_ADDR.
8016 (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
8017 Handle nvptx_expand_shared_addr.
8018 (nvptx_get_shared_red_addr): Add vector argument and handle large
8020 (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
8022 (nvptx_goacc_reduction_init): Likewise.
8023 (nvptx_goacc_reduction_fini): Likewise.
8024 (nvptx_goacc_reduction_teardown): Likewise.
8025 (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
8026 init,fini,teardown}.
8027 (nvptx_init_axis_predicate): Initialize vector_red_partition.
8028 (nvptx_set_current_function): Init vector_red_partition.
8029 * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
8030 (nvptx_red_partition): New insn.
8031 * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
8033 2019-01-07 Tom de Vries <tdevries@suse.de>
8036 * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
8039 2019-01-07 Tom de Vries <tdevries@suse.de>
8041 * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
8042 (nvptx_option_override): Init oacc_bcast_partition.
8043 (nvptx_init_oacc_workers): New function.
8044 (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
8045 (nvptx_needs_shared_bcast): New function.
8046 (nvptx_find_par): Generalize to enable vectors to use shared-memory
8048 (nvptx_shared_propagate): Initialize vector bcast partition and
8049 synchronization state.
8050 (nvptx_single): Generalize to enable vectors to use shared-memory
8052 (nvptx_process_pars): Likewise.
8053 (nvptx_set_current_function): Initialize oacc_broadcast_partition.
8054 * config/nvptx/nvptx.h (struct machine_function): Add
8055 bcast_partition and sync_bar members.
8057 2019-01-07 Tom de Vries <tdevries@suse.de>
8059 * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
8060 (nvptx_apply_dim_limits): New function.
8061 (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
8064 2019-01-07 Tom de Vries <tdevries@suse.de>
8066 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
8067 as late as possible.
8069 2019-01-07 Tom de Vries <tdevries@suse.de>
8071 * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
8072 (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
8073 (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
8074 (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
8075 PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
8077 2019-01-07 Tom de Vries <tdevries@suse.de>
8079 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
8081 2019-01-07 Tom de Vries <tdevries@suse.de>
8083 * omp-offload.c (oacc_get_min_dim): New function.
8084 * omp-offload.h (oacc_get_min_dim): Declare.
8086 2018-12-26 Mateusz B <mateuszb@poczta.onet.pl>
8089 * config/i386/i386.c (function_value_ms_64): Return small sturct in
8090 AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
8092 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
8096 2017-05-22 Jan Hubicka <hubicka@ucw.cz>
8098 * ipa-inline.c (edge_badness): Use inlined_time instead of
8099 inline_summaries->get.
8101 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
8103 * opts.c (enable_fdo_optimizations): Enable
8104 version-loops-for-strides, loop-interchange, unrol-and-jam
8105 and tree-loop-distribution.
8106 * invoke.texi: Document newly enabled options.
8108 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
8110 * doc/invoke.texi (max-inline-insns-small): New parameters.
8111 * ipa-inline.c (want_early_inline_function_p): simplify.
8112 (want_inline_small_function_p): Fix pasto from previous patch;
8113 use max-inline-insns-small bound.
8114 * params.def (max-inline-insns-small): New param.
8115 * ipa-fnsummary.c (analyze_function_body): Initialize time/size
8116 variables correctly.
8118 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
8120 * doc/invoke.texi: Document max-inline-insns-size,
8121 uninlined-function-insns, uninlined-function-time,
8122 uninlined-thunk-insns and uninlined-thunk-time.
8123 * params.def: Add max-inline-insns-size,
8124 uninlined-function-insns, uninlined-function-time,
8125 uninlined-thunk-insns and uninlined-thunk-time.
8126 * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
8128 * ipa-inline.c (can_inline_edge_by_limits_p,
8129 want_inline_small_function_p): Use new parameters.
8131 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
8133 * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
8135 2019-01-05 Jakub Jelinek <jakub@redhat.com>
8139 * expr.c (expand_assignment): For calls returning VLA structures
8140 if to_rtx is not a MEM, force it into a stack temporary.
8143 * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
8144 SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
8145 Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
8146 subexpressions of both operands.
8147 (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
8148 subrtxes are CONSTANT_P.
8149 * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
8152 2019-01-04 Jan Hubicka <hubicka@ucw.cz>
8154 * params.def (hot-bb-count-ws-permille): Set to 990.
8156 2019-01-04 Martin Sebor <msebor@redhat.com>
8159 * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
8162 2019-01-04 Martin Sebor <msebor@redhat.com>
8165 * doc/extend.texi (attribute alloc_align, alloc_size): Update.
8167 2019-01-04 Jakub Jelinek <jakub@redhat.com>
8169 * gdbinit.in: Turn off pagination for the skip commands, restore
8170 it to previous state afterwards.
8172 2019-01-04 Jakub Jelinek <jakub@redhat.com>
8175 * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
8176 of GET_MODE (opN) as modes of the libcall arguments.
8178 2019-01-04 Jan Beulich <jbeulich@suse.com>
8180 * config/i386/sse.md
8181 (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
8182 <avx512>_cmp<mode>3<mask_scalar_merge_name>,
8183 <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
8184 <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
8185 avx512f_vmcmp<mode>3<round_saeonly_name>,
8186 avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
8187 avx512f_maskcmp<mode>3,
8188 <avx512>_cvt<ssemodesuffix>2mask<mode>,
8189 <avx512>_cvt<ssemodesuffix>2mask<mode>,
8190 *<avx512>_cvtmask2<ssemodesuffix><mode>,
8191 *<avx512>_cvtmask2<ssemodesuffix><mode>,
8192 <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
8193 <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
8194 <avx512>_gt<mode>3<mask_scalar_merge_name>,
8195 <avx512>_gt<mode>3<mask_scalar_merge_name>,
8196 <avx512>_testm<mode>3<mask_scalar_merge_name>,
8197 <avx512>_testnm<mode>3<mask_scalar_merge_name>,
8198 *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
8199 *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
8200 *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
8201 *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
8202 avx512cd_maskb_vec_dup<mode>,
8203 avx512cd_maskw_vec_dup<mode>,
8204 avx512dq_fpclass<mode><mask_scalar_merge_name>,
8205 avx512dq_vmfpclass<mode>,
8206 avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
8209 2019-01-03 Martin Sebor <msebor@redhat.com>
8211 PR tree-optimization/88659
8212 * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
8214 2019-01-03 Aaron Sawdey <acsawdey@linux.ibm.com>
8216 * config/rs6000/rs6000-string.c (expand_block_move): Don't use
8217 unaligned vsx and avoid lxvd2x/stxvd2x.
8218 (gen_lvx_v4si_move): New function.
8220 2019-01-03 Tom de Vries <tdevries@suse.de>
8222 * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
8223 (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
8225 * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
8227 2019-01-03 Tom de Vries <tdevries@suse.de>
8229 * config/nvptx/nvptx.c (struct offload_attrs): New.
8230 (populate_offload_attrs): New function. Factor mask extraction out of
8231 nvptx_reorg. Add extraction of dimensions.
8232 (nvptx_reorg): Use populate_offload_attrs.
8234 2019-01-03 Tom de Vries <tdevries@suse.de>
8236 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
8237 cases for oacc_min_dims_p and routine_p. Add asserts for
8238 oacc_default_dims_p and offload_region_p.
8240 2019-01-03 Tom de Vries <tdevries@suse.de>
8242 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
8244 (nvptx_goacc_validate_dims): ... here.
8246 2019-01-03 Jan Hubicka <hubicka@ucw.cz>
8248 PR tree-optimization/85574
8249 * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
8251 (struct ssa_equip_hash_traits): Declare.
8252 (val_ssa_equiv): Use custom hash traits using operand_equal_p.
8254 2019-01-03 Jakub Jelinek <jakub@redhat.com>
8257 * dwarf2out.c (modified_type_die): If type is equal to sizetype,
8258 change it to qualified_type.
8260 2019-01-03 Jan Hubicka <hubicka@ucw.cz>
8262 * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
8263 (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
8265 2019-01-02 Martin Sebor <msebor@redhat.com>
8266 Jeff Law <law@redhat.com>
8268 * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
8269 (get_range_strlen_tree): Update appropriately.
8271 * gimple-fold.h (get_range_strlen): Drop unused last argument.
8273 * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
8274 rather than set_range_info.
8275 * tree-ssa-strlen.c (set_strlen_range): Extracted from
8276 maybe_set_strlen_range. Handle potentially boundary crossing
8277 cases more conservatively.
8278 (maybe_set_strlen_range): Parts refactored into set_strlen_range.
8279 Call set_strlen_range.
8280 * tree-ssa-strlen.h (set_strlen_range): Add prototype.
8283 * gimple-fold.c (get_range_strlen): Update prototype to no longer
8284 need the flexp argument.
8285 (get_range_strlen_tree): Drop flexp argument. Drop flexp argument
8286 from calls to get_range_strlen. Update comments. Just update
8287 VAL for an unterminated const char array and let the reset of the
8288 code handle it normally. No longer try to set *flexp. Adjust
8290 (get_range_strlen): Update for the new get_range_strlen API.
8291 (get_maxval_strlen): Similarly.
8292 (gimple_fold_builtin_strlen): Handle update meaning of return value
8293 from get_range_strlen.
8294 * gimple-ssa-sprintf.c (get_string_length): Update for the new
8295 get_range_strlen API.
8297 2019-01-02 Jan Hubicka <hubicka@ucw.cz>
8300 * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
8301 false at WPA time when body was removed.
8303 2019-01-02 Martin Liska <mliska@suse.cz>
8305 PR tree-optimization/88650
8306 * predict.c (set_even_probabilities): Calculate probability
8307 remainer only when really used.
8309 2019-01-02 Richard Biener <rguenther@suse.de>
8312 * tree-data-ref.c (analyze_subscript_affine_affine): Use
8313 widest_ints when mangling max_stmt_execution results.
8315 2019-01-02 Richard Biener <rguenther@suse.de>
8317 PR tree-optimization/88621
8318 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
8319 bitfields when canoncalizing.
8321 2019-01-02 Richard Biener <rguenther@suse.de>
8324 * config/i386/x86-tune-costs.h (intel_cost): Adjust
8325 cost of cheap SSE instruction.
8327 2019-01-02 Richard Biener <rguenther@suse.de>
8330 * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
8331 * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
8333 (sem_item_optimizer::do_congruence_step_f): Sort the congruence
8334 set after UIDs before splitting them.
8336 2019-01-01 Martin Sebor <msebor@redhat.com>
8337 Jeff Law <law@redhat.com>
8339 * gimple-fold.c (get_range_strlen_tree): Record if the computed
8340 length is optimistic. If it is, then arrange to compute the
8341 conservative length as well.
8343 * gimple-fold.h (get_range_strlen): Update prototype.
8344 * builtins.c (check_access): Update call to get_range_strlen to use
8345 c_strlen_data pointer. Change various variable accesses to instead
8346 pull data from the c_strlen_data structure.
8347 (check_strncat_sizes, expand_builtin_strncat): Likewise.
8348 * calls.c (maybe_warn_nonstring_arg): Likewise.
8349 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise. Reset
8350 minimum length if maximum lengh is unknown.
8351 * gimple-ssa-sprintf.c (get_string_length): Likewise. Drop code
8352 that used c_strlen, it's no longer needed. Restructure slightly.
8353 (format_string): Set unlikely range appropriately.
8354 * gimple-fold.c (get_range_strlen): Update comments. Fix minor
8356 (get_range_strlen): Accept c_strlen_data pointer for external
8357 call sites as well. Pass through to call to internal get_range_strlen.
8358 Adjust minlen, maxlen and maxbound as needed.
8359 (get_maxval_strlen): Update comments.
8360 (gimple_fold_builtin_strlen): Update call to get_range_strlen
8361 to use c_strlen_data pointer. Change variable accesses to instead
8362 use c_strlen_data data members.
8364 * gimple-fold.c (get_range_strlen): Update prototype.
8365 (get_range_strlen_tree): Update prototype. Drop minlen/maxlen
8366 local variables. Use pdata to return information to caller.
8367 Update calls to get_range_strlen. Update pdata->maxbound.
8368 (get_range_strlen -- static version): Similarly.
8369 (get_range_strlen -- extern version): Update for internal
8370 get_range_strlen API change. Convert to external data format.
8371 (get_maxval_strlen): Similarly.
8373 2019-01-01 Jan Hubicka <hubicka@ucw.cz>
8375 * coverage.c (get_coverage_counts): Use current_function_decl.
8376 * profile.c (read_thunk_profile): New function.
8377 (branch_prob): Add THUNK parameter.
8378 * tree-profile.c (tree_profiling): Handle thunks.
8379 * value-prof.c (init_node_map): Handle thunks.
8380 * value-prof.h (branch_prob): Upate prototype.
8381 (read_thunk_profile): Declare.
8383 2019-01-01 Jakub Jelinek <jakub@redhat.com>
8385 Update copyright years.
8387 * gcc.c (process_command): Update copyright notice dates.
8388 * gcov-dump.c (print_version): Ditto.
8389 * gcov.c (print_version): Ditto.
8390 * gcov-tool.c (print_version): Ditto.
8391 * gengtype.c (create_file): Ditto.
8392 * doc/cpp.texi: Bump @copying's copyright year.
8393 * doc/cppinternals.texi: Ditto.
8394 * doc/gcc.texi: Ditto.
8395 * doc/gccint.texi: Ditto.
8396 * doc/gcov.texi: Ditto.
8397 * doc/install.texi: Ditto.
8398 * doc/invoke.texi: Ditto.
8400 Copyright (C) 2019 Free Software Foundation, Inc.
8402 Copying and distribution of this file, with or without modification,
8403 are permitted in any medium without royalty provided the copyright
8404 notice and this notice are preserved.