1 2019-06-03 Segher Boessenkool <segher@kernel.crashing.org>
3 * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
4 * config/rs6000/rs6000.c (direct_move_p): Adjust.
5 (rs6000_secondary_reload_simple_move): Adjust.
6 (rs6000_opt_masks): Neuter the "mfpgpr" option.
7 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
8 * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
11 * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
12 (floatunssi<mode>2_lfiwzx): Adjust.
13 (fix_trunc<mode>si2_stfiwx): Adjust.
14 (fixuns_trunc<mode>si2_stfiwx): Adjust.
15 * config/rs6000/rs6000.opt (mno-mfpgpr): New.
16 (mfpgpr): Mark as deprecated.
17 * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
18 (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
19 * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
21 2019-06-03 Segher Boessenkool <segher@kernel.crashing.org>
23 * config/rs6000/constraints.md (define_register_constraint "wg"):
25 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
27 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
28 (rs6000_init_hard_regno_mode_ok): Adjust.
29 * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
30 Delete "wg" alternatives.
31 * doc/md.texi (Machine Constraints): Adjust.
33 2019-06-03 Alan Modra <amodra@gmail.com>
35 * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
36 (get_uncond_jump_length): Assert length less than INT_MAX and
39 2019-06-03 Wilco Dijkstra <wdijkstr@arm.com>
42 * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
44 (expand_builtin_nonlocal_goto): Likewise.
46 2019-06-03 Szabolcs Nagy <szabolcs.nagy@arm.com>
48 * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
49 (aarch64_asm_output_external): Declare.
50 * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
51 (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
52 (aarch64_asm_output_alias): New.
53 (aarch64_asm_output_external): New.
54 * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
55 (ASM_OUTPUT_EXTERNAL): Define.
57 2019-06-03 Aldy Hernandez <aldyh@redhat.com>
58 * tree-vrp.h (value_range_base::nonzero_p): New.
59 (value_range_base::set_nonnull): Rename to...
60 (value_range_base::set_nonzero): ...this.
61 (value_range_base::set_null): Rename to...
62 (value_range_base::set_zero): ...this.
63 (value_range::set_nonnull): Remove.
64 (value_range::set_null): Remove.
65 * tree-vrp.c (range_is_null): Remove.
66 (range_is_nonnull): Remove.
67 (extract_range_from_binary_expr): Use value_range_base::*zero_p
68 instead of range_is_*null.
69 (extract_range_from_unary_expr): Same.
70 (value_range_base::set_nonnull): Rename to...
71 (value_range_base::set_nonzero): ...this.
72 (value_range::set_nonnull): Remove.
73 (value_range_base::set_null): Rename to...
74 (value_range_base::set_zero): ...this.
75 (value_range::set_null): Remove.
76 (extract_range_from_binary_expr): Rename set_*null uses to
78 (extract_range_from_unary_expr): Same.
80 * vr-values.c (get_value_range): Use set_*zero instead of
82 (vr_values::extract_range_from_binary_expr): Same.
83 (vr_values::extract_range_basic): Same.
85 2019-06-03 Wilco Dijkstra <wdijkstr@arm.com>
88 * opts.c (parse_and_check_align_values): Allow 4 alignment values.
90 2019-06-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
92 * config/aarch64/iterators.md (MAX_OPP): New code attr.
93 * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
94 (aarch64_<su>abd<mode>_3): ... This.
95 (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
97 2019-06-03 Richard Biener <rguenther@suse.de>
99 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
100 full reference tree and record in ref->ref.
101 (vn_reference_lookup_3): Pass in original ref to
102 ao_ref_init_from_vn_reference.
103 (vn_reference_lookup): Likewise.
104 * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
105 * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
106 Handle non-decl bases in the original reference.
108 2019-06-03 Martin Liska <mliska@suse.cz>
110 * doc/generic.texi: Remove Java Trees.
112 2019-06-03 Martin Liska <mliska@suse.cz>
114 * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
115 returns 0 when operands are equal.
117 2019-06-03 Richard Biener <rguenther@suse.de>
119 PR tree-optimization/90716
120 * tree-loop-distribution.c (destroy_loop): Process blocks in
123 2019-06-03 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
126 * vector-builder.h (vector_builder::count_dups): New method.
127 * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
129 * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
130 (vec_init<mode><Vel>): New pattern.
131 * config/aarch64/aarch64.c (emit_insr): New function.
132 (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
133 (aarch64_sve_expand_vector_init_insert_elems): Likewise.
134 (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
135 (aarch64_sve_expand_vector_init): Define two overloaded functions.
137 2019-06-03 Alejandro Martinez <alejandro.martinezvicente@arm.com>
139 PR tree-optimization/90681
140 * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
141 * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
142 special case for SLP, but fail on non-groupped loads.
144 2019-06-03 Martin Liska <mliska@suse.cz>
146 * cfg.c (debug): Use TDF_DETAILS for debug and
147 print edge info only once.
149 2019-06-02 Thomas Koenig <tkoenig@gcc.gnu.org>
152 * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
154 2019-06-01 Martin Sebor <msebor@redhat.com>
157 * tree-pretty-print.c (dump_generic_node): Add parentheses.
159 2019-05-31 Jan Hubicka <jh@suse.cz>
161 * alias.c: Include ipa-utils.h.
162 (get_alias_set): Try to complete ODR type via ODR type hash lookup.
163 * ipa-devirt.c (prevailing_odr_type): New.
164 * ipa-utils.h (previaling_odr_type): Declare.
166 2019-05-31 H.J. Lu <hongjiu.lu@intel.com>
167 Hongtao Liu <hongtao.liu@intel.com>
170 * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
171 NOTE_INSN_DELETED_LABEL check.
173 2019-05-31 Prachi Godbole <prachi.godbole@imgtec.com>
174 Robert Suchanek <robert.suchanek@mips.com>
176 * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
177 and 3rd operands of the fmadd/fmsub/maddv builtin.
179 2019-05-31 Jakub Jelinek <jakub@redhat.com>
181 * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
182 * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
183 on OMP_SIMD if not nested inside of worksharing loop that also has
184 lastprivate conditional clause for the same decl.
185 (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
186 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
188 (lower_rec_input_clauses): Likewise. Handle lastprivate conditional
190 (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
192 (lower_lastprivate_clauses): Likewise.
193 (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
194 calling lower_rec_input_clauses.
195 (lower_omp_for): Likewise.
196 (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
197 clause on simd construct.
198 * omp-expand.c (expand_omp_simd): Initialize cond_var if
199 OMP_CLAUSE__CONDTEMP_ clause is present.
201 * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
204 2019-05-31 Xiong Hu Luo <luoxhu@linux.ibm.com>
207 * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
208 TEX_D32, TEX_D64 or TEX_D128.
210 2019-05-31 Marc Glisse <marc.glisse@inria.fr>
212 * match.pd (~(vec?cst1:cst2)): New transformation.
214 2019-05-31 Marc Glisse <marc.glisse@inria.fr>
216 * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
217 ((size_t)(A /[ex] B) CMP C): New transformation.
219 2019-05-31 Richard Sandiford <richard.sandiford@arm.com>
221 * doc/md.texi: Document define_insn_and_rewrite.
222 * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
223 * gensupport.c (queue_elem): Update comment.
224 (replace_operands_with_dups): New function.
225 (gen_rewrite_sequence): Likewise.
226 (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
227 * read-rtl.c (apply_subst_iterator): Likewise.
228 (add_condition_to_rtx, named_rtx_p): Likewise.
229 (rtx_reader::read_rtx_operand): Likewise.
230 * config/aarch64/aarch64-sve.md
231 (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
232 (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
233 define_insn_and_rewrite.
234 (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
235 Remove separate define_split.
237 2019-05-31 Jan Hubicka <jh@suse.cz>
239 * tree-ssa-alias.c (type_has_components_p): New function.
240 (aliasing_component_refs_p): Use it.
242 2019-05-31 Martin Liska <mliska@suse.cz>
244 * gdbhooks.py: Add const_tree to TreePrinter.
246 2019-05-31 Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
249 * common.opt (feliminate-unused-debug-symbols): Enable by default.
250 * doc/invoke.texi (Debugging Options): Document new default of
251 -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
253 2019-05-31 Jakub Jelinek <jakub@redhat.com>
255 PR tree-optimization/90671
256 * tree-ssa-threadupdate.c (ssa_create_duplicates): If
257 template_block used to be empty on the first call, don't use
258 gsi_split_seq_after and gsi_insert_seq_after, but remember whole
259 seq with bb_seq and set it with set_bb_seq.
261 2019-05-31 Iain Sandoe <iain@sandoe.co.uk>
263 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
265 2019-05-30 Bill Schmidt <wschmidt@linux.ibm.com>
266 Michael Meissner <meissner@linux.ibm.com>
268 * config/rs6000/predicates.md (pcrel_address): New define_predicate.
269 (prefixed_mem_operand): Likewise.
270 (non_prefixed_mem_operand): Likewise.
271 * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
273 * config/rs6000/rs6000.c (print_operand_address): Handle
274 PC-relative addresses.
275 (mode_supports_prefixed_address_p): New function.
276 (rs6000_prefixed_address): New function.
277 * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
278 (SYMBOL_REF_PCREL_P): Likewise.
280 2019-05-30 Jakub Jelinek <jakub@redhat.com>
282 * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
283 (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
284 (gimplify_omp_for): If worksharing loop with lastprivate conditional
285 is nested inside of parallel region, add _condtemp_ clause to both.
286 * tree-nested.c (convert_nonlocal_omp_clauses,
287 convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
289 * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
291 * omp-general.c (omp_extract_for_data): Compute it.
292 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
293 (lower_rec_input_clauses): Likewise.
294 (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
295 clause is already present, just add one further one after it.
296 (lower_lastprivate_clauses): Handle cond_ptr with array type.
297 (lower_send_shared_vars): Clear _condtemp_ vars.
298 (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
299 or section or taskgroup.
300 * omp-expand.c (determine_parallel_type): Disallow combining only if
301 first OMP_CLAUSE__CONDTEMP_ has pointer type. Disallow combining
302 of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
303 (expand_omp_for_generic, expand_omp_for_static_nochunk,
304 expand_omp_for_static_chunk, expand_omp_for): Use
305 fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
306 determine if a special set of API routines are needed and if condtemp
307 needs to be initialized, while always initialize cond_var if
308 fd->lastprivate_conditional is non-zero.
310 2019-05-30 Bill Schmidt <wschmidt@linux.ibm.com>
311 Michael Meissner <meissner@linux.ibm.com>
313 * config/rs6000/constraints.md (eI): New constraint.
314 * config/rs6000/predicates.md (cint34_operand): New predicate.
315 * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
316 (SIGNED_34BIT_OFFSET_P): Likewise.
317 * doc/md.texi (eI): Document constraint.
319 2019-05-30 Sylvia Taylor <sylvia.taylor@arm.com>
321 * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
323 2019-05-30 Bill Schmidt <wschmidt@linux.ibm.com>
324 Michael Meissner <meissner@linux.ibm.com>
326 * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
327 (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
328 (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
329 (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
330 (OTHER_FUTURE_MASKS): Likewise.
331 (POWERPC_MASKS): Likewise.
332 * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
333 specified without -mprefixed-addr or -mcpu=future. Error if
334 -mprefixed-addr is specified without -mcpu=future.
335 (rs6000_opt_masks): Add entry for prefixed-addr.
336 * rs6000.opt (mprefixed-addr): New option.
338 2019-05-30 Sam Tebbs <sam.tebbs@arm.com>
340 * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
341 cfun->is_thunk check.
343 2019-05-30 Jakub Jelinek <jakub@redhat.com>
345 * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
348 2019-05-30 Martin Liska <mliska@suse.cz>
350 * gdbinit.in: Fix 'ptc' command. Add trt
351 that prints TREE_TYPE($).
353 2019-05-29 Bill Schmidt <wschmidt@linux.ibm.com>
354 Alan Modra <amodra@gmail.com>
356 * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
358 (rs6000_indirect_call_template_1): ...and here.
359 (rs6000_pltseq_template): Handle plt_pcrel34. Rework tocsave,
360 plt16_ha, plt16_lo, mtctr indirect calls. Use
362 (rs6000_decl_ok_for_sibcall): New function.
363 (rs6000_function_ok_for_sibcall): Refactor.
364 (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
365 (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
366 when pcrel. Reorganize.
367 (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
368 * rs6000.h (rs6000_pltseq_enum): New enum.
369 * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
370 (*pltseq_tocsave): Use rs6000_pltseq_enum.
371 (*pltseq_plt16_ha): Likewise.
372 (*pltseq_plt16_lo): Likewise.
373 (*pltseq_mtctr): Likewise.
374 (*pltseq_plt_pcrel): New insn.
375 (*call_local_aix): Handle @notoc calls.
376 (*call_value_local_aix): Likewise.
377 (*call_nonlocal_aix): Adjust lengths for pcrel calls.
378 (*call_value_nonlocal_aix): Likewise.
379 (*call_indirect_pcrel): New insn.
380 (*call_value_indirect_pcrel): Likewise.
383 2019-05-29 Uroš Bizjak <ubizjak@gmail.com>
385 * config/i386/sse.md (*save_multiple<mode>): Rename from
387 (*restore_multiple<mode>): Rename from restore_multiple<mode>.
388 (*restore_multiple_and_return<mode>): Rename from
389 restore_multiple_and_return<mode>.
390 (*restore_multiple_leave_return<mode>): Rename from
391 restore_multiple_leave_return<mode>.
393 2019-05-29 Yoshinori Sato <ysato@users.sourceforge.jp>
395 * config.gcc (rx-*-linux*): New target.
396 * config/rx/elf.opt: New file.
397 * config/rx/linux.h: Likewise.
398 * config/rx/t-linux: Likewise.
399 * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
401 * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
402 (ASM_APP_OFF): Likewise.
403 * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
406 2019-05-29 Jan Hubicka <jh@suse.cz>
408 * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
409 variants are pointer equivalent.
411 2019-05-29 Alejandro Martinez <alejandro.martinezvicente@arm.com>
413 * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
414 * config/aarch64/aarch64-sve2.md: New file.
415 (<u>avg<mode>3_floor): New pattern.
416 (<u>avg<mode>3_ceil): Likewise.
417 (*<sur>h<addsub><mode>): Likewise.
418 * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
419 * config/aarch64/aarch64.md: Include aarch64-sve2.md.
421 2019-05-29 Jakub Jelinek <jakub@redhat.com>
424 * optc-save-gen.awk: In cl_optimization_print, use correct condition
425 for var_opt_string printing. In cl_optimization_print_diff, print
426 (null) instead of invoking undefined behavior if one of the
427 var_opt_string pointers is NULL and use && instead of first || in the
428 guarding condition. For var_target_other options, handle const char *
429 target variables similarly to const char * optimize node variables.
431 2019-05-29 Sam Tebbs <sam.tebbs@arm.com>
433 * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
434 AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
435 * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
436 Add autib1716 and pacib1716 initialisation.
437 * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
438 for autib1716 and pacib1716.
439 * config/aarch64/aarch64-protos.h (aarch64_key_type,
440 aarch64_post_cfi_startproc): Define.
441 * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
442 * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
443 aarch64_handle_pac_ret_protection): Set default sign key to A.
444 * config/aarch64/aarch64.c (aarch64_expand_epilogue,
445 aarch64_expand_prologue): Add check for b-key.
446 * config/aarch64/aarch64.c (aarch64_ra_sign_key,
447 aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
448 * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
449 * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
450 * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
451 UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
452 UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
453 * config/aarch64/aarch64.md (do_return): Add check for b-key.
454 * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
455 pauth_hint_num_a with pauth_hint_num.
456 * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
457 pauth_hint_num_a with pauth_hint_num.
458 * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
459 * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
460 UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
461 * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
462 UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
463 * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
464 UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
465 UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
466 * config/aarch64/iterators.md (pauth_hint_num_a): Replace
467 UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
468 UNSPEC_AUTIA1716 respectively.
469 * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
470 and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
471 * doc/invoke.texi (-mbranch-protection): Add b-key type.
472 * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
473 UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
475 2019-05-29 Jakub Jelinek <jakub@redhat.com>
477 * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
478 (gimplify_scan_omp_clauses): Initialize ctx->clauses.
479 (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
480 explicit clause on combined parallel into implicit shared clause.
481 (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
482 and firstprivate if the decl has one too from combined parallel to
483 the worksharing construct.
485 2019-05-28 Bill Schmidt <wschmidt@linux.ibm.com>
486 Michael Meissner <meissner@linux.ibm.com>
488 * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
490 2019-05-28 Michael Meissner <meissner@linux.ibm.com>
492 * rtl.h (LABEL_REF_P): New #define.
494 2019-05-28 John David Anglin <danglin@gcc.gnu.org>
496 * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
498 2019-05-28 Alejandro Martinez <alejandro.martinezvicente@arm.com>
500 * internal-fn.c: Marked mask_load_direct as vectorizable.
501 * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
502 * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
503 combined even if masks different with allow_slp_p param.
504 (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
505 * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
506 dissolve SLP-only vectorizable groups when SLP has been discarded.
507 (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
508 * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
510 (vect_build_slp_tree_1): Fixed comment typo.
511 (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
512 * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
514 * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
516 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
518 2019-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
520 * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
521 Remove obsolete use_thunk reference.
522 * config/i386/i386.c (x86_output_mi_thunk): Likewise.
523 * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
524 * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
525 * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
526 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
527 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
528 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
529 * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
530 * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
532 2019-05-28 Nathan Sidwell <nathan@acm.org>
534 * tree.h (IDENTIFIER_ANON_P): New.
535 (anon_aggrname_format, anon_aggname_p): Don't declare.
536 (make_anon_name): Declare.
537 * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
538 (hash_tree): Likewise.
539 * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
540 * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
541 (anon_cnt, make_anon_name): New.
543 2019-05-28 Martin Liska <mliska@suse.cz>
546 * opts-global.c (decode_options): Print help for all
547 help_option_arguments.
548 * opts.c (print_help): Add new argument.
549 (common_handle_option): Remember all values into
550 help_option_arguments.
551 * opts.h (print_help): Add new argument.
553 2019-05-28 Martin Liska <mliska@suse.cz>
556 * ipa-icf-gimple.c (func_checker::compare_loops): New function.
557 * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
558 (func_checker::compare_bb): Call compare_loops.
560 2019-05-27 Jakub Jelinek <jakub@redhat.com>
562 * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
563 on sections construct.
564 * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
566 (lower_omp_sections): Handle lastprivate conditional.
567 (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
568 lastprivate_conditional_map.
569 * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
571 * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
572 critical, taskgroup and section regions when looking for a region
573 with non-NULL lastprivate_conditional_map.
575 2019-05-27 Uroš Bizjak <ubizjak@gmail.com>
577 * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
578 (*ix86_gen_sub3): Ditto.
579 (*ix86_gen_sub3_carry): Ditto.
580 (*ix86_gen_one_cmpl2): Ditto.
581 (*ix86_gen_andsp): Ditto.
582 (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
583 (gen_and2_insn): New static function.
584 (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
585 Use gen_add3_insn instead of ix86_gen_add3.
586 (ix86_expand_split_stack_prologue): Use gen_add2_insn
587 instead of ix86_gen_add3.
588 (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
589 Use gen_sub3_insn instead of ix86_gen_sub3.
590 * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
591 instead of ix86_gen_add3.
592 (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
593 ix86_gen_add3. Use gen_sub3_insn instead of ix86_gen_sub3.
594 (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
595 * config/i386/i386-options.c (ix86_option_override_internal):
596 Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
597 ix86_gen_one_cmpl2 and ix86_gen_andsp.
599 2019-05-27 Eric Botcazou <ebotcazou@adacore.com>
601 * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
602 and DW_OP_GNU_const_index opcodes.
604 2019-05-27 Uroš Bizjak <ubizjak@gmail.com>
606 * config/i386/i386.h (STACK_SIZE_MODE): Define.
608 2019-05-27 Richard Biener <rguenther@suse.de>
610 PR tree-optimization/90637
611 * tree-ssa-sink.c (statement_sink_location): Honor the
612 computed sink location for single-uses.
614 2019-05-27 Richard Biener <rguenther@suse.de>
617 * match.pd (vec_perm): Avoid clobbering op0 when not generating
620 2019-05-26 Uroš Bizjak <ubizjak@gmail.com>
622 * config/i386/i386.md (@sub<mode>3_carry): Rename
623 from sub<mode>3_carry.
624 (@leave_<mode>): New expander.
625 (*leave): Rename from leave.
626 (*leave_rex64): Rename from leave_rex64.
627 (@monitorx_<mode>): Rename from monitorx_<mode>.
628 (@clzero_<mode>): Rename from clzero_<mode>.
629 * config/i386/sse.md (@sse3_monitor_<mode>): Rename
630 from sse3_monitor_<mode>.
631 * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
632 (*ix86_gen_leave): Ditto.
633 (*ix86_gen_monitor): Ditto.
634 (*ix86_gen_monitorx): Ditto.
635 (*ix86_gen_clzero): Ditto.
636 (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
637 * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
638 Use gen_sub3_carry instead of ix86_gen_sub3_carry.
639 (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
640 Use gen_sse3_monitor instead of ix86_gen_monitor.
641 <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
642 instead of ix86_gen_monitorx.
643 <case IX86_BUILTIN_CLZERO>: Use gen_clzero
644 instead of ix86_gen_clzero.
645 * config/i386/i386-options.c (ix86_option_override_internal):
646 Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
647 ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
649 2019-05-26 Uroš Bizjak <ubizjak@gmail.com>
651 * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
652 Rename from tls_global_dynamic_64_<mode>.
653 (@tls_local_dynamic_base_64_<mode>): Rename from
654 tls_local_dynamic_base_64_<mode>.
655 * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
656 Remove indirect function.
657 (*ix86_gen_tls_local_dynamic_base_64): Ditto.
658 (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
659 instead of ix86_gen_tls_global_dynamic_64.
660 Use gen_tls_local_dynamic_base_64 instead of
661 ix86_gen_tls_local_dynamic_base_64.
662 * config/i386/i386-options.c (ix86_option_override_internal):
663 Do not initialize ix86_gen_tls_global_dynamic_64 and
664 ix86_gen_tls_local_dynamic_base_64.
666 2019-05-26 Uroš Bizjak <ubizjak@gmail.com>
668 * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
669 Rename from pro_epilogue_adjust_stack_<mode>_add.
670 (@pro_epilogue_adjust_stack_sub_<mode>)
671 Rename from pro_epilogue_adjust_stack_<mode>_sub.
672 (@allocate_stack_worker_probe_<mode>):
673 Rename from allocate_stack_worker_probe_<mode>.
674 (allocate_stack): Use gen_allocate_stack_worker_probe.
675 (probe_stack): Use gen_probe_stack_1.
676 (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
677 (@adjust_stack_and_probe_<mode>): Rename from
678 adjust_stack_and_probe<mode>.
679 (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
680 (stack_protect_set): Use gen_stack_protect_set_1.
681 (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
682 (stack_protect_test): Use gen_stack_protect_test_1.
683 (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
684 * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
685 Remove indirect function.
686 (*ix86_gen_adjust_stack_and_probe): Ditto.
687 (*ix86_gen_probe_stack_range): Ditto.
688 (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
689 instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
690 (ix86_adjust_stack_and_probe_stack_clash): Use
691 gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
692 (ix86_adjust_stack_and_probe): Ditto.
693 (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
694 of ix86_gen_probe_stack_range.
695 (ix86_expand_prologue): Use gen_pro_epilogue_adjust_stack_sub
696 instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
697 * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
698 Include insn-opinit.h. Use code_for_stack_protect_test_1 instead of
699 CODE_FOR_stack_protect_test_{si,di}.
700 * config/i386/i386-options.c (ix86_option_override_internal):
701 Do not initialize ix86_gen_allocate_stack_worker,
702 ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
704 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
706 * doc/invoke.texi (Link Options): Many editorial changes around
709 2019-05-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
711 * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
712 pre-Solaris 11 referene and most Studio compiler details.
714 2019-05-24 John David Anglin <danglin@gcc.gnu.org>
717 * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
718 DImode to SImode in floating-point registers on 64-bit target.
719 * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
720 register_operand in xmpyu patterns.
722 2019-05-24 Jakub Jelinek <jakub@redhat.com>
724 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
725 * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
726 OMP_CLAUSE__REDUCTEMP_.
727 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
728 OMP_CLAUSE__CONDTEMP_.
729 (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
730 * tree-pretty-print.c (dump_omp_clause): Likewise.
731 * tree-nested.c (convert_nonlocal_omp_clauses,
732 convert_local_omp_clauses): Likewise.
733 * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
734 instead of decimal. Add GOVD_LASTPRIVATE_CONDITIONAL.
735 (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
737 (gimplify_omp_for): Warn and disable conditional modifier from
738 lastprivate on loop iterators.
739 * omp-general.h (struct omp_for_data): Add lastprivate_conditional
741 * omp-general.c (omp_extract_for_data): Initialize it.
742 * omp-low.c (struct omp_context): Add lastprivate_conditional_map
744 (delete_omp_context): Delete it.
745 (lower_lastprivate_conditional_clauses): New function.
746 (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
747 handle lastprivate conditional clauses.
748 (lower_reduction_clauses): Add CLIST argument, emit it into
749 the critical section if any.
750 (lower_omp_sections): Adjust lower_lastprivate_clauses and
751 lower_reduction_clauses callers.
752 (lower_omp_for_lastprivate): Add CLIST argument, pass it through
753 to lower_lastprivate_clauses.
754 (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
755 lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
756 clist into a critical section if not emitted there already by
757 lower_reduction_clauses.
758 (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
760 (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
761 conditional variables.
762 * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
764 (expand_omp_for_generic, expand_omp_for_static_nochunk,
765 expand_omp_for_static_chunk): Handle lastprivate conditional.
766 (expand_omp_for): Handle fd.lastprivate_conditional like
769 2019-05-24 Andrew Stubbs <ams@codesourcery.com>
771 * config/gcn/gcn-run.c (main): Set a non-zero return value if the
772 kernel does not exit cleanly.
773 * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
775 2019-05-24 Jason Merrill <jason@redhat.com>
778 * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
780 2019-05-24 Richard Biener <rguenther@suse.de>
783 * tree-loop-distribution.c (struct partition): Add location
785 (partition_alloc): Initialize all fields.
786 (generate_memset_builtin): Use the location recorded in the
787 partition for the generated call.
788 (generate_memcpy_builtin): Likewise.
789 (classify_partition): Record the location of a single store
790 as location for the partition.
792 2019-05-24 Andrew Stubbs <ams@codesourcery.com>
794 * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
797 2019-05-24 Matthew Malcomson <matthew.malcomson@arm.com>
800 * common/config/aarch64/aarch64-common.c
801 (aarch64_rewrite_selected_cpu): Change local temporary variable
802 type from unsigned long to uint64_t.
803 * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
804 aarch64_get_extension_string_for_isa_flags): Change declaration to
805 match new definition by replacing unsigned long with uint64_t.
807 2019-05-24 Jakub Jelinek <jakub@redhat.com>
810 * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
811 gen_attr_type just once instead of 4-7 times. Formatting fixes.
812 Handle stack_protect_test_<mode> codegen similarly to corresponding
815 2019-05-23 Iain Sandoe <iain@sandoe.co.uk>
817 * config/i386/darwin.h: Reject -mfentry*.
818 * doc/sourcebuild.texi: Document mfentry target support.
820 2019-05-23 Bill Schmidt <wschmidt@linux.ibm.com>
822 * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
823 Rename to rs6000_global_entry_point_prologue_needed_p. Return
824 false for PC-relative functions.
825 (rs6000_output_function_prologue): Change called function name to
826 rs6000_global_entry_point_prologue_needed_p. Emit ".localentry
827 name,1" for PC-relative functions.
828 (rs6000_elf_declare_function_name): Change called function name to
829 rs6000_global_entry_point_prologue_needed_p.
831 2019-05-23 Uroš Bizjak <ubizjak@gmail.com>
834 * config/i386/i386.c (gen_rtx_cost):
835 Use ix86_tune_cost instead of ix86_cost.
837 2019-05-23 Bill Schmidt <wschmidt@linux.ibm.com>
838 Michael Meissner <meissner@linux.ibm.com>
839 Segher Boessenkool <segher@kernel.crashing.org>
841 * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
843 (POWERPC_MASKS): Add OPTION_MASK_PCREL.
844 * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
845 (rs6000_fndecl_pcrel_p): Likewise.
846 * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
847 error if -mpcrel is requested without -mcpu=future.
848 (rs6000_opt_masks): Add entry for pcrel.
849 (rs6000_fndecl_pcrel_p): New function.
850 (rs6000_pcrel_p): Likewise.
851 * config/rs6000/rs6000.opt (mpcrel): New option.
852 * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
854 2019-05-23 Jan Hubicka <jh@suse.cz>
855 Martin Liska <mliska@suse.cz>
857 PR tree-optimization/90576
858 * tree-ssa-alias.c (compare_sizes): Remove dead calls to
860 (aliasing_component_refs_p): Fix three way size compare conditional;
861 give up earlier in case we can not decide on equivalence.
863 2019-05-23 Bill Schmidt <wschmidt@linux.ibm.com>
864 Michael Meissner <meissner@linux.ibm.com>
865 Segher Boessenkool <segher@kernel.crashing.org>
867 * config.gcc: Add future cpu.
868 * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
869 * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
871 (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
872 (RS6000_CPU): New instantiation for future cpu.
873 * config/rs6000/rs6000-opts.h (enum processor_type): Add
875 * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
876 PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
877 * config/rs6000/rs6000-tables.opt: Regenerate.
878 * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
879 PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
880 (rs6000_machine_from_flags): Handle future cpu.
881 (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
882 PROCESSOR_POWER9 for now.
883 (rs6000_adjust_cost): Likewise.
884 (rs6000_issue_rate): Likewise.
885 (rs6000_register_move_cost): Likewise.
886 (rs6000_opt_masks): Add entry for future.
887 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
888 (MASK_FUTURE): New #define.
889 * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
890 * config/rs6000/rs6000.opt (mfuture): New target option.
891 * doc/invoke.texi (mcpu): Add future cpu.
893 2019-05-23 Martin Liska <mliska@suse.cz>
896 * tree-ssa-uninit.c (value_sat_pred_p): The result of &
897 operation points to a temporary (pointed via tree_to_wide_ref)
898 that is out of scope after the &.
900 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
903 * doc/extend.texi (Function Names): Add missing word.
905 2019-05-23 Richard Biener <rguenther@suse.de>
907 PR tree-optimization/88440
908 * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
910 * tree-loop-distribution.c (generate_memset_builtin): Fold the
912 (generate_memcpy_builtin): Likewise.
913 (distribute_loop): Pass in whether to only distribute patterns.
914 (prepare_perfect_loop_nest): Also allow size optimization.
915 (pass_loop_distribution::execute): When optimizing a loop
916 nest for size allow pattern replacement.
918 2019-05-23 Jakub Jelinek <jakub@redhat.com>
921 * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
924 2019-05-23 Martin Liska <mliska@suse.cz>
927 * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
928 expression similarly to gimplify_decl_expr.
930 2019-05-23 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
932 * cse.c (cse_dump_path): s/dump_file/f.
934 2019-05-22 David Malcolm <dmalcolm@redhat.com>
937 * diagnostic-format-json.cc: Include "selftest.h".
938 (json_from_expanded_location): Only add "file" key for non-NULL
940 (json_from_location_range): Don't add "start" and "finish"
941 children if they are UNKNOWN_LOCATION.
942 (selftest::test_unknown_location): New selftest.
943 (selftest::test_bad_endpoints): New selftest.
944 (selftest::diagnostic_format_json_cc_tests): New function.
945 * json.cc (json::object::get): New function.
946 (selftest::test_object_get): New selftest.
947 (selftest::json_cc_tests): Call it.
948 * json.h (json::object::get): New decl.
949 * selftest-run-tests.c (selftest::run_tests): Call
950 selftest::diagnostic_format_json_cc_tests.
951 * selftest.h (selftest::diagnostic_format_json_cc_tests): New
954 2019-05-22 Kwok Cheung Yeung <kcy@codesourcery.com>
955 Andrew Stubbs <amd@codesourcery.com>
957 * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
958 * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
959 (kernel): Rename to...
960 (main_kernel): ... this.
961 (load_image): Load _init_array and _fini_array kernels.
962 (run): Add argument for kernel to run.
963 (main): Run init_array_kernel before main_kernel, and
964 fini_array_kernel after.
965 * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
966 amdgpu_hsa_kernel attribute on functions.
967 (gcn_disable_constructors): Delete.
968 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
969 * config/gcn/crt0.c (size_t): Define.
970 (_init_array, _fini_array): New.
971 (__preinit_array_start, __preinit_array_end,
972 __init_array_start, __init_array_end,
973 __fini_array_start, __fini_array_end): Declare weak references.
975 2019-05-22 Andrew Stubbs <ams@codesourcery.com>
977 * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
979 2019-05-22 Jason Merrill <jason@redhat.com>
981 * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
983 2019-05-22 H.J. Lu <hongjiu.lu@intel.com>
986 * config/i386/i386-options.c (ix86_init_machine_status): Set
987 stack_frame_required to true.
988 * config/i386/i386.c (ix86_get_frame_size): New function.
989 (ix86_frame_pointer_required): Replace get_frame_size with
991 (ix86_compute_frame_layout): Likewise.
992 (ix86_find_max_used_stack_alignment): Changed to void. Set
993 stack_frame_required.
994 (ix86_finalize_stack_frame_flags): Always call
995 ix86_find_max_used_stack_alignment. Replace get_frame_size with
997 * config/i386/i386.h (machine_function): Add stack_frame_required.
999 2019-05-22 Uroš Bizjak <ubizjak@gmail.com>
1001 * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1003 2019-05-22 Matthew Malcomson <matthew.malcomson@arm.com>
1005 * common/config/aarch64/aarch64-common.c
1006 (struct aarch64_option_extension, struct processor_name_to_arch,
1007 struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
1008 aarch64_contains_opt,
1009 aarch64_get_extension_string_for_isa_flags): Change type of
1010 variables storing flags to uint64_t.
1011 * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
1012 sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
1013 * config/aarch64/aarch64.c (struct processor,
1014 aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
1015 aarch64_validate_march, aarch64_override_options,
1016 aarch64_option_print, aarch64_handle_attr_isa_flags,
1017 aarch64_declare_function_name, aarch64_start_file): Make flag
1019 * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
1020 AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
1021 AARCH64_FL_SVE2_BITPERM): New macro feature flags.
1022 * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
1023 * config/aarch64/driver-aarch64.c
1024 (struct aarch64_arch_extension, struct aarch64_core_data,
1025 struct aarch64_arch_driver_info, host_detect_local_cpu): Make
1026 flag variables uint64_t.
1027 * doc/invoke.texi: Add documentation for new arguments.
1029 2019-05-22 Richard Biener <rguenther@suse.de>
1031 * alias.c (ao_ref_from_mem): Move stack-slot sharing
1033 * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
1035 2019-05-22 Martin Liska <mliska@suse.cz>
1038 * doc/extend.texi: Document the change.
1040 2019-05-22 Richard Biener <rguenther@suse.de>
1042 PR tree-optimization/90450
1043 * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
1044 (mem_ref_hasher::equal): Check it.
1045 (mem_ref_alloc): Initialize it.
1046 (gather_mem_refs_stmt): Set it.
1048 2019-05-22 Richard Biener <rguenther@suse.de>
1050 * gimple-fold.c (arith_code_with_undefined_signed_overflow):
1052 (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
1055 2019-05-22 Alan Modra <amodra@gmail.com>
1057 * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
1058 (ASM_CPU_SPEC): Conditionally add -many.
1059 * config/rs6000/rs6000.c (rs6000_machine): New static var.
1060 (rs6000_machine_from_flags, emit_asm_machine): New functions..
1061 (rs6000_file_start): ..extracted from here, and modified to
1063 (rs6000_output_function_prologue): Emit .machine as necessary.
1064 * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
1066 * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
1067 added by check_vect_support_and_set_flags.
1068 * testsuite/gcc.dg/vect/pr48765.c: Likewise.
1069 * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
1071 2019-05-22 Hans-Peter Nilsson <hp@axis.com>
1074 * ira-lives.c (process_bb_node_lives): Consider defs
1075 for a call insn to be die before the call, not after.
1077 * function.c (assign_parm_setup_block): Raise alignment of
1078 stacked parameter only for STRICT_ALIGNMENT targets.
1080 2019-05-21 Segher Boessenkool <segher@kernel.crashing.org>
1082 * config/rs6000/constraints.md (define_register_constraint "wz"):
1084 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1085 RS6000_CONSTRAINT_wz.
1086 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1087 (rs6000_init_hard_regno_mode_ok): Adjust.
1088 * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
1089 * doc/md.texi (Machine Constraints): Adjust.
1091 2019-05-21 Segher Boessenkool <segher@kernel.crashing.org>
1093 * config/rs6000/constraints.md (define_register_constraint "wl"):
1095 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1096 RS6000_CONSTRAINT_wl.
1097 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1098 (rs6000_init_hard_regno_mode_ok): Adjust.
1099 * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
1100 * doc/md.texi (Machine Constraints): Adjust.
1102 2019-05-21 Segher Boessenkool <segher@kernel.crashing.org>
1104 * config/rs6000/constraints.md (define_register_constraint "wm"):
1106 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1107 RS6000_CONSTRAINT_wm.
1108 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1109 (rs6000_init_hard_regno_mode_ok): Adjust.
1110 * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
1111 * doc/md.texi (Machine Constraints): Adjust.
1113 2019-05-21 Segher Boessenkool <segher@kernel.crashing.org>
1115 * config/rs6000/constraints.md (define_register_constraint "wk"):
1117 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1118 RS6000_CONSTRAINT_wk.
1119 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1120 (rs6000_init_hard_regno_mode_ok): Adjust.
1121 * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
1122 * doc/md.texi (Machine Constraints): Adjust.
1124 2019-05-21 Segher Boessenkool <segher@kernel.crashing.org>
1126 * config/rs6000/constraints.md (define_register_constraint "wj"):
1128 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1129 RS6000_CONSTRAINT_wj.
1130 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1131 (rs6000_init_hard_regno_mode_ok): Adjust.
1132 * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
1134 * config/rs6000/vsx.md: Ditto.
1135 * doc/md.texi (Machine Constraints): Adjust.
1137 2019-05-21 Segher Boessenkool <segher@kernel.crashing.org>
1139 * config/rs6000/constraints.md (define_register_constraint "wh"):
1141 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1142 RS6000_CONSTRAINT_wh.
1143 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1144 (rs6000_init_hard_regno_mode_ok): Adjust.
1145 * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
1146 * doc/md.texi (Machine Constraints): Adjust.
1148 2019-05-21 Uroš Bizjak <ubizjak@gmail.com>
1151 * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
1152 Avoid calling gen_lowpart with CONST operand.
1154 2019-05-21 Alexandre Oliva <aoliva@redhat.com>
1156 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
1157 field template_last_to_copy.
1158 (ssa_create_duplicates): Set it, and use it. Attempt to
1159 preserve more debug stmts.
1161 2019-05-21 Uroš Bizjak <ubizjak@gmail.com>
1163 * config/i386/sse.md (VF1_AVX2): New mode iterator.
1164 (signbit<mode>2): New expander
1166 2019-05-21 James Clarke <jrtc27@jrtc27.com>
1169 * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
1170 instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
1172 2019-05-21 Uroš Bizjak <ubizjak@gmail.com>
1174 * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
1175 %ebx and %ecx bafore calling cpuid with leaf 1 or
1176 non-constant leaf argument.
1178 2019-05-21 Alan Modra <amodra@gmail.com>
1181 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1182 power9 direct move cost.
1183 * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1184 Correct comments and rename functions to suit parameters.
1186 2019-05-21 Richard Biener <rguenther@suse.de>
1189 * fold-const.c (fold_read_from_vector): New function.
1190 * fold-const.h (fold_read_from_vector): Declare.
1191 * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1192 single-element insert permutations. Canonicalize selector
1193 further and fix issue with last commit.
1195 2019-05-21 Vladislav Ivanishin <vlad@ispras.ru>
1197 * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1198 parameter with default value false to declaration.
1199 (split_edges_for_insertion): New inline function. Wrapper for
1200 split_critical_edges with for_edge_insertion_p = true.
1201 * tree-cfg.c (split_critical_edges): Don't split non-critical
1202 edges if for_edge_insertion_p is false. Fix whitespace.
1203 * tree-ssa-pre.c (pass_pre::execute): Call
1204 split_edges_for_insertion instead of split_critical_edges.
1205 * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1206 * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1207 (pass_data_sink_code): Update function name in the comment.
1209 2019-05-21 Vladislav Ivanishin <vlad@ispras.ru>
1211 * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1212 around is_value_included_in that knows how to handle BIT_AND_EXPR.
1213 (is_pred_expr_subset_of): Use the new function. Handle more cases where
1214 code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1217 2019-05-21 Martin Liska <mliska@suse.cz>
1219 * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1221 * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1222 (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1224 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1226 (rs6000_function_arg): Likewise.
1227 (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1228 (rs6000_expand_ternop_builtin): Use interval syntax.
1229 (get_element_number): Likewise.
1230 (altivec_expand_builtin): Likewise.
1231 (rs6000_get_function_versions_dispatcher): Quote target_clones.
1235 2019-05-20 Jakub Jelinek <jakub@redhat.com>
1239 * function.h (struct function): Add calls_eh_return member.
1240 * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1241 gimplifying __builtin_eh_return call.
1242 * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1244 (expand_call_inline): Or in src_cfun->calls_eh_return into
1245 dst_cfun->calls_eh_return.
1246 * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1247 cfun->calls_eh_return.
1248 * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1249 * lto-streamer-out.c (output_struct_function_base): Write
1252 2019-05-20 Marc Glisse <marc.glisse@inria.fr>
1254 PR rtl-optimization/43147
1255 * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1256 IX86_BUILTIN_SHUFPD.
1258 2019-05-20 Jan Hubicka <hubicka@ucw.cz>
1260 * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1261 (refs_may_alias_p_1): ... here; update stats.
1262 (refs_may_alias_p): Do not update stats here.
1264 2019-05-20 Richard Biener <rguenther@suse.de>
1266 * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1267 doesn't produce pointers.
1268 {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1269 the first operand points to.
1271 2019-05-20 Jan Hubicka <hubicka@ucw.cz>
1273 * tree-ssa-alias.c (compare_sizes): New function.
1274 (sompare_type_sizes): New function
1275 (aliasing_component_refs_p): Use it.
1276 (indirect_ref_may_alias_decl_p): Likewise.
1278 2019-05-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1280 * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1282 2019-05-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1284 * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1285 (LIBLSAN_EARLY_SPEC): Likewise.
1286 * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1288 2019-05-20 Martin Liska <mliska@suse.cz>
1290 * config/i386/i386.c (ix86_libc_has_fast_function):
1291 Add ATTRIBUTE_UNUSED for the argument.
1293 2019-05-20 Richard Biener <rguenther@suse.de>
1295 * gimple-match-head.c: Include vec-perm-indices.h.
1296 * generic-match-head.c: Likewise.
1297 * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1299 * fold-const.c (fold_vec_perm): Export.
1300 (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1301 (match.pd): ...here.
1303 2019-05-20 Jakub Jelinek <jakub@redhat.com>
1305 * cfgloop.h (struct loop): Add simdlen member.
1306 * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1307 * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1308 * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1309 as new argument to autovectorize_vector_sizes target hook. If
1310 loop->simdlen, pick up vector size where the vectorization factor
1311 is equal to loop->simd, and if there is none, fall back to the first
1313 (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1315 * omp-low.c (omp_clause_aligned_alignment): Likewise.
1316 * omp-general.c (omp_max_vf): Likewise.
1317 * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1318 * tree-vect-slp.c (vect_slp_bb): Likewise.
1319 * target.def (autovectorize_vector_sizes): Add ALL argument and
1321 * doc/tm.texi: Adjust documentation.
1322 * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1323 * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1324 * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1326 * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1327 * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1328 * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1329 * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise. If
1330 true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1331 preferred vector size is not 512-bit or 256-bit, just put those
1332 unpreferred ones last.
1334 2019-05-20 Martin Liska <mliska@suse.cz>
1336 * targhooks.c (default_libc_has_fast_function): New function.
1337 * targhooks.h (default_libc_has_fast_function): Likewise.
1339 2019-05-20 Martin Liska <mliska@suse.cz>
1342 * builtins.c (expand_builtin_memory_copy_args): When having a
1343 target with fast mempcpy implementation do now use memcpy.
1344 * config/i386/i386.c (ix86_libc_has_fast_function): New.
1345 (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1346 * doc/tm.texi: Likewise.
1347 * doc/tm.texi.in: Likewise.
1349 * expr.c (emit_block_move_hints): Add 2 new arguments.
1350 * expr.h (emit_block_move_hints): Bail out when libcall
1351 to memcpy would be used.
1353 2019-05-20 Martin Liska <mliska@suse.cz>
1355 * profile-count.c: Add vertical spacing in order
1356 to separate functions.
1357 * profile-count.h: Likewise.
1359 2019-05-20 Martin Liska <mliska@suse.cz>
1361 * profile-count.h: Do not use full qualified
1363 * profile-count.c (profile_count::to_frequency): Likewise.
1365 2019-05-20 Martin Liska <mliska@suse.cz>
1367 * profile-count.h (enum profile_quality): Use capital letters
1368 for enum value names. Use the adjusted names.
1369 * profile-count.c: Use the adjusted names.
1371 2019-05-19 Segher Boessenkool <segher@kernel.crashing.org>
1373 * config/rs6000/constraints.md (define_register_constraint "wH"):
1375 (define_register_constraint "wI"): Delete.
1376 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1377 RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1378 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1379 (rs6000_init_hard_regno_mode_ok): Adjust.
1380 * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1381 resp. "d", or with "wa" as appropriate, all with "p8v".
1382 * config/rs6000/vsx.md: Ditto.
1383 * doc/md.texi (Machine Constraints): Adjust.
1385 2019-05-19 Segher Boessenkool <segher@kernel.crashing.org>
1387 * config/rs6000/constraints.md (define_register_constraint "wy"):
1389 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1390 RS6000_CONSTRAINT_wy.
1391 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1392 (rs6000_init_hard_regno_mode_ok): Adjust.
1393 * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1394 Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1395 (define_mode_attr Fisa): New.
1396 * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1397 * doc/md.texi (Machine Constraints): Adjust.
1399 2019-05-19 Segher Boessenkool <segher@kernel.crashing.org>
1401 * config/rs6000/constraints.md (define_register_constraint "wu"):
1403 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1404 RS6000_CONSTRAINT_wu.
1405 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1406 (rs6000_init_hard_regno_mode_ok): Adjust.
1407 * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1409 (define_mode_attr Fa): Delete.
1410 * config/rs6000/vsx.md: Ditto.
1411 * doc/md.texi (Machine Constraints): Adjust.
1413 2019-05-19 Segher Boessenkool <segher@kernel.crashing.org>
1415 * config/rs6000/constraints.md (define_register_constraint "wJ"):
1417 (define_register_constraint "wK"): Delete.
1418 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1419 RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1420 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1421 (rs6000_init_hard_regno_mode_ok): Adjust.
1422 * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1423 Replace "wK" constraint by "wH" with "p9v".
1424 * config/rs6000/vsx.md: Ditto.
1425 * doc/md.texi (Machine Constraints): Adjust.
1427 2019-05-19 Segher Boessenkool <segher@kernel.crashing.org>
1429 * config/rs6000/constraints.md (define_register_constraint "wb"):
1431 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1432 RS6000_CONSTRAINT_wb.
1433 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1434 (rs6000_init_hard_regno_mode_ok): Adjust.
1435 * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1436 * config/rs6000/vsx.md: Ditto.
1437 * doc/md.texi (Machine Constraints): Adjust.
1439 2019-05-19 Segher Boessenkool <segher@kernel.crashing.org>
1441 * config/rs6000/constraints.md (define_register_constraint "wo"):
1443 * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1444 RS6000_CONSTRAINT_wo.
1445 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1446 (rs6000_init_hard_regno_mode_ok): Adjust.
1447 * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1448 * config/rs6000/altivec.md: Ditto.
1449 * doc/md.texi (Machine Constraints): Adjust.
1451 2019-05-18 Iain Sandoe <iain@sandoe.co.uk>
1453 * config/darwin-c.c (darwin_register_objc_includes): Do not
1454 prepend the sysroot when building gnu-runtime header search
1457 2019-05-18 Iain Sandoe <iain@sandoe.co.uk>
1459 * config/darwin.c (darwin_file_end): Use switch_to_section ()
1460 instead of direct output of the asm.
1462 2019-05-17 Segher Boessenkool <segher@kernel.crashing.org>
1464 * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1465 argument to be type bool (was int before).
1466 (rs6000_emit_epilogue): Simplify some code. Declare some variables
1467 at first use. Use type bool for some variables. Fix a theoretical
1468 eh_return bug for svr4.
1470 2019-05-17 Segher Boessenkool <segher@kernel.crashing.org>
1472 * config/rs6000/rs6000.md (isa): New attribute.
1473 (enabled): New attribute.
1475 2019-05-17 Max Filippov <jcmvbkbc@gmail.com>
1477 * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1478 assemble_start_function and assemble_end_function.
1480 2019-05-17 Thomas Schwinge <thomas@codesourcery.com>
1483 * omp-general.c (oacc_verify_routine_clauses): Change formal
1484 parameters. Add checking if already marked with an OpenACC
1485 'routine' directive. Adjust all users.
1488 * omp-general.c (oacc_build_routine_dims): Move some of its
1490 (oacc_verify_routine_clauses): ... this new function.
1491 * omp-general.h (oacc_verify_routine_clauses): New prototype.
1493 2019-05-17 Iain Sandoe <iain@sandoe.co.uk>
1495 * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1496 formating of picbase labels to match other ports.
1498 2019-05-17 Iain Sandoe <iain@sandoe.co.uk>
1500 * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1501 in the generated code.
1503 2019-05-16 Martin Sebor <msebor@redhat.com>
1505 * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1506 identifiers, keywords, operators, and types in diagnostics. Correct
1507 quoting, spelling, and sentence capitalization issues.
1508 (expand_builtin_atomic_is_lock_free): Same.
1509 (fold_builtin_next_arg): Same.
1510 * cfgexpand.c (expand_one_var): Same.
1511 (tree_conflicts_with_clobbers_p): Same.
1512 (expand_asm_stmt): Same.
1513 (verify_loop_structure): Same.
1514 * cgraphunit.c (process_function_and_variable_attributes): Same.
1515 * collect-utils.c (collect_execute): Same.
1516 * collect2.c (maybe_run_lto_and_relink): Same.
1517 (is_lto_object_file): Same.
1518 (scan_prog_file): Same.
1519 * convert.c (convert_to_real_1): Same.
1520 * dwarf2out.c (dwarf2out_begin_prologue): Same.
1521 * except.c (verify_eh_tree): Same.
1522 * gcc.c (execute): Same.
1523 (eval_spec_function): Same.
1524 (run_attempt): Same.
1525 (driver::set_up_specs): Same.
1526 (compare_debug_auxbase_opt_spec_function): Same.
1527 * gcov-tool.c (unlink_gcda_file): Same.
1530 * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1531 * gimplify.c (gimplify_asm_expr): Same.
1532 (gimplify_adjust_omp_clauses): Same.
1533 * hsa-gen.c (gen_hsa_addr_insns): Same.
1534 (gen_hsa_insns_for_load): Same.
1535 (gen_hsa_cmp_insn_from_gimple): Same.
1536 (gen_hsa_insns_for_operation_assignment): Same.
1537 (gen_get_level): Same.
1538 (gen_hsa_alloca): Same.
1539 (omp_simple_builtin::generate): Same.
1540 (gen_hsa_atomic_for_builtin): Same.
1541 (gen_hsa_insns_for_call): Same.
1542 * input.c (dump_location_info): Same.
1543 * ipa-devirt.c (compare_virtual_tables): Same.
1544 * ira.c (ira_setup_eliminable_regset): Same.
1545 * lra-assigns.c (lra_assign): Same.
1546 * lra-constraints.c (lra_constraints): Same.
1547 * lto-streamer-in.c (lto_input_mode_table): Same.
1548 * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1549 (merge_and_complain): Same.
1550 (compile_offload_image): Same.
1551 (compile_images_for_offload_targets): Same.
1552 (debug_objcopy): Same.
1555 * opts.c (print_specific_help): Same.
1556 (parse_no_sanitize_attribute): Same.
1558 (handle_param): Same.
1559 * plugin.c (add_new_plugin): Same.
1560 (parse_plugin_arg_opt): Same.
1561 (try_init_one_plugin): Same.
1562 * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1563 operators, and types in diagnostics. Correct quoting and spelling
1565 * read-rtl-function.c (parse_edge_flag_token): Same.
1566 (function_reader::parse_enum_value): Same.
1567 * reg-stack.c (check_asm_stack_operands): Same.
1568 * regcprop.c (validate_value_data): Same.
1569 * sched-rgn.c (make_pass_sched_fusion): Same.
1570 * stmt.c (check_unique_operand_names): Same.
1571 * targhooks.c (default_target_option_pragma_parse): Same.
1572 * tlink.c (recompile_files): Same.
1573 * toplev.c (process_options): Same.
1575 * trans-mem.c (diagnose_tm_1): Same.
1576 (ipa_tm_scan_irr_block): Same.
1577 (ipa_tm_diagnose_transaction): Same.
1578 * tree-cfg.c (verify_address): Same. Use get_tree_code_name to
1579 format a tree code name in a diagnostic.
1580 (verify_types_in_gimple_min_lval): Same.
1581 (verify_types_in_gimple_reference): Same.
1582 (verify_gimple_call): Same.
1583 (verify_gimple_assign_unary): Same.
1584 (verify_gimple_assign_binary): Same.
1585 (verify_gimple_assign_ternary): Same.
1586 (verify_gimple_assign_single): Same.
1587 (verify_gimple_switch): Same.
1588 (verify_gimple_label): Same.
1589 (verify_gimple_phi): Same.
1590 (verify_gimple_in_seq): Same.
1591 (verify_eh_throw_stmt_node): Same.
1592 (collect_subblocks): Same.
1593 (gimple_verify_flow_info): Same.
1594 (do_warn_unused_result): Same.
1595 * tree-inline.c (expand_call_inline): Same.
1596 * tree-into-ssa.c (update_ssa): Same.
1597 * tree.c (tree_int_cst_elt_check_failed): Same.
1598 (tree_vec_elt_check_failed): Same.
1599 (omp_clause_operand_check_failed): Same.
1600 (verify_type_variant): Same.
1601 (verify_type): Same.
1602 * value-prof.c (verify_histograms): Same.
1603 * varasm.c (assemble_start_function): Same.
1605 2019-05-16 Martin Sebor <msebor@redhat.com>
1607 * config/i386/i386-expand.c (get_element_number): Quote keywords
1608 and other internal names in diagnostics. Adjust other diagnostic
1609 formatting issues noted by -Wformat-diag.
1610 * config/i386/i386-features.c
1611 (ix86_mangle_function_version_assembler_name): Same.
1612 * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1613 * config/i386/i386.c (ix86_function_type_abi): Same.
1614 (ix86_function_ms_hook_prologue): Same.
1615 (classify_argument): Same.
1616 (ix86_expand_prologue): Same.
1617 (ix86_md_asm_adjust): Same.
1618 (ix86_memmodel_check): Same.
1620 2019-05-17 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
1622 * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1623 TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1626 2019-05-17 H.J. Lu <hongjiu.lu@intel.com>
1629 * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1630 intrinsics without SSE/SSE2/SSSE3.
1631 * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1633 (*mmx_uavgv8qi3): Likewise.
1635 2019-05-17 Richard Biener <rguenther@suse.de>
1637 * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1638 VEC_PERM_EXPR as __VEC_PERM with -gimple.
1640 2019-05-17 Andreas Krebbel <krebbel@linux.ibm.com>
1642 * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1643 vec_sldw insn pattern.
1645 2019-05-17 Richard Biener <rguenther@suse.de>
1647 * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1649 2019-05-17 Martin Liska <mliska@suse.cz>
1652 * toplev.c (output_stack_usage): With LTO and sanitizer it
1653 happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1654 has no file location.
1656 2019-05-16 Jakub Jelinek <jakub@redhat.com>
1659 * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1660 sz0 is equal to sz1, instead return false in that case.
1662 * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1663 has non-constant expression, force sctx.lane and use two
1664 argument IFN_GOMP_SIMD_LANE instead of single argument.
1665 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1666 two argument IFN_GOMP_SIMD_LANE without lhs.
1667 * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1669 (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1671 (LOOP_REQUIRES_VERSIONING): Or in
1672 LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1673 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1675 (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1676 * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1677 from simd if clause if needed.
1679 2019-05-16 Richard Biener <rguenther@suse.de>
1681 * tree-affine.c (expr_to_aff_combination): New function split
1683 (tree_to_aff_combination): ... here.
1684 (aff_combination_expand): Avoid building a GENERIC tree.
1686 2019-05-16 Max Filippov <jcmvbkbc@gmail.com>
1688 * cgraphunit.c (cgraph_node::expand_thunk): Remove
1689 assemble_start_function and assemble_end_function calls.
1690 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1691 assemble_start_function and assemble_end_function.
1692 * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1693 * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1694 * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1695 * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1696 * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1697 * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1698 * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1699 * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1700 * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1701 * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1702 * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1703 * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1705 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1706 * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1707 * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1708 * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1709 * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1710 * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1711 * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1712 * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1713 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1714 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1715 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1716 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1717 * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1718 * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1720 * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1721 * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1722 * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1724 2019-05-16 Jan Hubicka <hubicka@ucw.cz>
1726 * tree-ssa-alias.c (alias_stats): Add
1727 aliasing_component_refs_p_may_alias and
1728 aliasing_component_refs_p_no_alias.
1729 (dump_alias_stats): Print aliasing_component_refs_p stats.
1730 (aliasing_component_refs_p): Update stats.
1732 2019-05-16 Martin Liska <mliska@suse.cz>
1735 * multiple_target.c (expand_target_clones): Do not allow
1736 target_clones being used with a symbol that is an alias.
1738 2019-05-16 Vladislav Ivanishin <vlad@ispras.ru>
1740 PR tree-optimization/90394
1741 * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1742 positives rather than ICE for cases where (code2 == NE_EXPR
1743 && code1 == BIT_AND_EXPR).
1745 2019-05-16 Jakub Jelinek <jakub@redhat.com>
1748 * tree-core.h (struct tree_decl_common): Document
1749 decl_nonshareable_flag for PARM_DECLs.
1750 * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1751 * calls.c (expand_call): Don't try tail call if caller
1752 has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1753 passed on the stack and callee needs to pass any arguments on the
1755 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1756 else if instead of series of mutually exclusive ifs. Handle
1757 DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1758 * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1760 * lto-streamer.h (LTO_major_version): Bump to 9.
1762 2019-05-16 Jun Ma <JunMa@linux.alibaba.com>
1764 PR tree-optimization/90106
1765 * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1766 new parameter as new internal function call, also move it to new
1768 (use_internal_fn): Pass internal function call to
1769 shrink_wrap_one_built_in_call_with_conds.
1771 2019-05-15 Jakub Jelinek <jakub@redhat.com>
1773 * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1775 * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1776 safelen_int and set loop->dont_vectorize.
1778 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1781 * config/i386/i386-builtin.def: Enable MMX intrinsics with
1783 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1785 * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1786 SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1787 * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1790 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1793 * config/i386/mmx.md (*vec_dupv2sf): Changed to
1794 define_insn_and_split to support SSE emulation.
1795 (*vec_extractv2sf_0): Likewise.
1796 (*vec_extractv2sf_1): Likewise.
1797 (*vec_extractv2si_0): Likewise.
1798 (*vec_extractv2si_1): Likewise.
1799 (*vec_extractv2si_zext_mem): Likewise.
1800 (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1801 (vec_extractv2sf_1 splitter): Likewise.
1802 (vec_extractv2sfsf): Likewise.
1803 (vec_setv2si): Likewise.
1804 (vec_extractv2si_1 splitter): Likewise.
1805 (vec_extractv2sisi): Likewise.
1806 (vec_setv4hi): Likewise.
1807 (vec_extractv4hihi): Likewise.
1808 (vec_setv8qi): Likewise.
1809 (vec_extractv8qiqi): Likewise.
1810 (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE. Pass
1811 TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1812 (vec_extractv2sisi): Likewise.
1813 (vec_extractv4hihi): Likewise.
1814 (vec_extractv8qiqi): Likewise.
1815 (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE. Pass
1816 TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1817 (vec_initv2sisi): Likewise.
1818 (vec_initv4hihi): Likewise.
1819 (vec_initv8qiqi): Likewise.
1820 (vec_setv2si): Also allow TARGET_MMX_WITH_SSE. Pass
1821 TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1822 (vec_setv4hi): Likewise.
1823 (vec_setv8qi): Likewise.
1825 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1828 * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1829 TARGET_MMX_WITH_SSE.
1830 (MMXMODE:*mov<mode>_internal): Likewise.
1831 (MMXMODE:movmisalign<mode>): Likewise.
1833 2019-05-15 Uroš Bizjak <ubizjak@gmail.com>
1836 * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1837 * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1838 (sse2_cvtpd2pi): Ditto.
1839 (sse2_cvttpd2pi): Ditto.
1840 (*vec_concatv2sf_sse4_1): Ditto.
1841 (*vec_concatv2sf_sse): Ditto.
1842 (*vec_concatv2si_sse4_1): Ditto.
1843 (*vec_concatv2si): Ditto.
1844 (*vec_concatv4si_0): Ditto.
1845 (*vec_concatv2di_0): Ditto.
1847 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1850 * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1852 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1855 * config/i386/sse.md (ssse3_palignrdi): Changed to
1856 define_insn_and_split to support SSE emulation.
1858 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1861 * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1863 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1866 * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1867 define_insn_and_split. Also allow TARGET_MMX_WITH_SSE. Add
1870 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1873 * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1874 or TARGET_MMX_WITH_SSE.
1875 (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1877 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1880 * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1882 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1885 * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1886 Changed to define_insn_and_split to support SSE emulation.
1888 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1891 * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1892 Changed to define_insn_and_split to support SSE emulation.
1894 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1897 * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1898 (*mmx_<emms>): This.
1899 (mmx_<emms>): New expander.
1901 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1904 * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1906 (*sse2_umulv1siv1di3): Add SSE2 emulation.
1908 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1911 * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1913 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1916 * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1918 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1921 * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1922 TARGET_MMX_WITH_SSE.
1923 (*mmx_uavgv4hi3): Add SSE emulation.
1925 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1928 * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1929 and TARGET_MMX_WITH_SSE.
1930 (*mmx_uavgv8qi3): Add SSE emulation.
1932 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1935 * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1936 maskmovdqu for __MMX_WITH_SSE__.
1938 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1941 * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1942 TARGET_MMX and TARGET_MMX_WITH_SSE.
1943 (*mmx_umulv4hi3_highpart): Add SSE emulation.
1945 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1948 * config/i386/mmx.md (mmx_pmovmskb): Changed to
1949 define_insn_and_split to support SSE emulation.
1951 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1954 * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1955 and TARGET_MMX_WITH_SSE.
1956 (mmx_<code>v8qi3): Likewise.
1957 (smaxmin:<code>v4hi3): New.
1958 (umaxmin:<code>v8qi3): Likewise.
1959 (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1960 (umaxmin:*mmx_<code>v8qi3): Likewise.
1962 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1965 * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1966 TARGET_MMX_WITH_SSE.
1967 (*mmx_pinsrw): Add SSE emulation.
1969 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1972 * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1974 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1977 * config/i386/sse.md (sse_cvtpi2ps): Changed to
1978 define_insn_and_split. Also allow TARGET_MMX_WITH_SSE. Add
1981 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1984 * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1985 (sse_cvttps2pi): Likewise.
1987 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1990 * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1991 TARGET_MMX_WITH_SSE.
1992 (mmx_pshufw_1): Add SSE emulation.
1993 (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1994 TARGET_MMX_WITH_SSE to support SSE emulation.
1996 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
1999 * config/i386/constraints.md (Yw): New constraint.
2000 * config/i386/mmx.md (*vec_dupv2si): Changed to
2001 define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2002 support SSE emulation.
2004 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2007 * config/i386/mmx.md (mmx_eq<mode>3): Also allow
2008 TARGET_MMX_WITH_SSE.
2009 (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE. Add SSE
2011 (mmx_gt<mode>3): Likewise.
2013 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2016 * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
2017 TARGET_MMX_WITH_SSE. Add SSE support.
2019 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2022 * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
2023 TARGET_MMX_WITH_SSE.
2024 (any_logic:<code><mode>3): New.
2025 (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
2028 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2031 * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
2032 TARGET_MMX_WITH_SSE. Add SSE emulation.
2033 (mmx_<shift_insn><mode>3): Likewise.
2035 (<shift_insn><mode>3): Likewise.
2037 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2040 * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
2041 (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE. Add SSE support.
2043 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2046 * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
2047 TARGET_MMX_WITH_SSE.
2048 (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
2051 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2054 * config/i386/mmx.md (mmx_mulv4hi3): Also allow
2055 TARGET_MMX_WITH_SSE.
2057 (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE. Add SSE
2060 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2063 * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
2064 (plusminus:mmx_<plusminus_insn><mode>3): Check
2065 TARGET_MMX_WITH_SSE.
2066 (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
2067 (<plusminus_insn><mode>3): New.
2068 (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
2069 (*mmx_<plusminus_insn><mode>3): Likewise.
2071 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2074 * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
2075 * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
2077 * config/i386/mmx.m (mmx_punpckhbw): Changed to
2078 define_insn_and_split to support SSE emulation.
2079 (mmx_punpcklbw): Likewise.
2080 (mmx_punpckhwd): Likewise.
2081 (mmx_punpcklwd): Likewise.
2082 (mmx_punpckhdq): Likewise.
2083 (mmx_punpckldq): Likewise.
2085 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2086 Uros Bizjak <ubizjak@gmail.com>
2089 * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
2091 (ix86_split_mmx_pack): Likewise.
2092 * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
2094 (ix86_split_mmx_pack): Likewise.
2095 * config/i386/i386.md (mmx_isa): New.
2096 (enabled): Also check mmx_isa.
2097 * config/i386/mmx.md (any_s_truncate): New code iterator.
2098 (s_trunsuffix): New code attr.
2099 (mmx_packsswb): Removed.
2100 (mmx_packssdw): Likewise.
2101 (mmx_packuswb): Likewise.
2102 (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
2103 MMX packsswb/packuswb with SSE2.
2104 (mmx_packssdw): Likewise.
2105 * config/i386/predicates.md (register_mmxmem_operand): New.
2107 2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
2110 * config/i386/i386-c.c (ix86_target_macros_internal): Define
2111 __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
2112 * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
2113 TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
2114 (ix86_vector_mode_supported_p): Likewise.
2115 * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
2117 2019-05-15 Martin Liska <mliska@suse.cz>
2120 * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2123 2019-05-15 Richard Biener <rguenther@suse.de>
2125 * tree-into-ssa.c (pass_build_ssa::execute): Run
2126 update_address_taken before going into SSA.
2128 2019-05-15 Richard Biener <rguenther@suse.de>
2130 * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
2131 as __BIT_FIELD_REF with type with -gimple.
2133 2019-05-15 Vladislav Ivanishin <vlad@ispras.ru>
2135 * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
2136 semantically equivalent branches (left over after prior refactorings).
2138 2019-05-15 Richard Biener <rguenther@suse.de>
2140 PR tree-optimization/88828
2141 * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
2144 2019-05-14 Richard Biener <rguenther@suse.de>
2146 * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
2147 as __VIEW_CONVERT with -gimple.
2149 2019-05-12 Iain Sandoe <iain@sandoe.co.uk>
2152 * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
2155 2019-05-14 Segher Boessenkool <segher@kernel.crashing.org>
2157 * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
2158 define_split to become a define_insn_and_split.
2160 2019-05-14 Segher Boessenkool <segher@kernel.crashing.org>
2162 * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
2164 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
2165 * config/rs6000/rs6000.md (epilogue_type): New define_enum.
2166 (sibcall_epilogue): Adjust.
2169 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2171 * config.gcc: Move *-*-solaris2.10* from obsolete configurations
2172 to unsupported ones.
2173 Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
2174 * config.host: Likewise.
2175 * config/i386/sol2.h (ASM_COMMENT_START): Remove.
2176 * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
2177 __svr4__]: Remove "brand" fallback.
2178 [!KSTAT_DATA_STRING]: Remove.
2179 * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2181 (comdat_group): Likewise.
2182 (set_have_as_tls): Likewise.
2183 (gcc_cv_target_dl_iterate_phdr): Likewise.
2184 (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2185 (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2186 * configure: Regenerate.
2187 * doc/install.texi: Simplify Solaris target triplets.
2188 (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2189 (Specific, *-*-solaris2*): Document Solaris 10 removal.
2190 Remove Solaris 10 references.
2191 Remove obsolete Solaris bug reference.
2192 (Specific, sparc-sun-solaris2.10): Remove.
2194 2019-05-14 Uroš Bizjak <ubizjak@gmail.com>
2196 * config/i386/i386.md (any_div): New code iterator.
2197 (paired_mod): New code attribute.
2198 (sgnprefix): Handle DIV and UDIV RTXes.
2200 (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2201 and udivmod<mode>4 patterns using any_div code iterator.
2202 (divmod splitters): Macroize splitters using any_div code iterator.
2203 (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2204 (*udivmodsi4_pow2_zext_2): Ditto.
2205 (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2206 and *udivmod<mode>4_noext patterns using any_div code iterator.
2207 (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2208 *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2209 patterns using any_div code iterator.
2210 (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2211 *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2212 patterns using any_div code iterator.
2213 (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2214 udivmodhiqi3 patterns using any_extend code iterator.
2216 2019-05-14 Richard Biener <rguenther@suse.de>
2217 H.J. Lu <hongjiu.lu@intel.com>
2219 PR tree-optimization/88828
2220 * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2221 permuting in a single non-constant element not extracted
2224 2019-05-14 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com>
2226 * internal-fn.def (SIGNBIT): New.
2227 * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2229 (signbitv4sf2): Likewise.
2231 2019-05-14 Chenghua Xu <paul.hua.gm@gmail.com>
2234 * config/mips/mips.c (mips_split_move): Skip forward SRC into
2235 next insn when the SRC reg is dead.
2237 2019-05-14 Bin Cheng <bin.cheng@linux.alibaba.com>
2239 * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2240 (alloc_cand_and_find_basis): Ditto.
2241 (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2242 (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2243 (create_add_imm_cand, slsr_process_cast): Ditto.
2244 (slsr_process_copy, replace_mult_candidate): Ditto.
2245 (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2246 (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2247 (pass_strength_reduction::execute): Init the first NULL element.
2249 2019-05-13 Nathan Sidwell <nathan@acm.org>
2251 * gcc.c (execute): Simplify cond-expr into if. Reformat comment.
2252 (run_attempt): Reformat line break.
2254 2019-05-13 David Edelsohn <dje.gcc@gmail.com>
2257 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2258 data registers in sibcall epilogues.
2259 Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2261 2019-05-13 Uroš Bizjak <ubizjak@gmail.com>
2264 * configure.ac (--enable-frame-pointer):
2265 Disable by default for cygwin and mingw.
2266 * configure: Regenerate.
2268 2019-05-13 Nathan Sidwell <nathan@acm.org>
2270 * dwarf2out.c (breakout_comdat_types): Move comment to correct
2272 (const_ok_for_output_1): Balance parens around #if/#else/#endif
2273 (gen_member_die): Move abstract origin check earlier. Only VARs
2274 can be static_inline_p. Simplify splicing control flow.
2276 2019-05-13 Richard Biener <rguenther@suse.de>
2278 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2280 (vect_build_slp_tree_1): Likewise.
2282 2019-05-13 Richard Biener <rguenther@suse.de>
2284 PR tree-optimization/90402
2285 * tree-if-conv.c (tree_if_conversion): Value number only
2286 the loop body by making the latch an exit of the region
2288 * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2290 (do_rpo_vn): Deal with multiple edges into the entry block
2291 that are not backedges inside the region by skipping PHIs
2294 2019-05-13 Richard Biener <rguenther@suse.de>
2296 PR tree-optimization/90316
2297 * tree-ssa-pre.c (insert_aux): Fold into ...
2298 (insert): ... this function. Use a RPO walk to reduce the
2299 number of required iterations.
2301 2019-05-13 Martin Liska <mliska@suse.cz>
2303 PR tree-optimization/90416
2304 * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2305 string instead of passing the second part as va_arg argument.
2307 2019-05-13 Martin Liska <mliska@suse.cz>
2309 PR gcov-profile/90380
2310 * gcov.c (handle_cycle): Do not support zero cycle count,
2311 it should not be possible.
2312 (path_contains_zero_cycle_arc): New function.
2313 (circuit): Ignore zero cycle arc counts.
2315 2019-05-13 Martin Liska <mliska@suse.cz>
2317 PR gcov-profile/90380
2318 * gcov.c (enum loop_type): Remove the enum and
2320 (handle_cycle): Assert that we should not reach
2322 (circuit): Use loop_found instead of a tri-state loop_type.
2323 (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2326 2019-05-12 Iain Sandoe <iain@sandoe.co.uk>
2329 * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2330 (ix86_output_indirect_branch_via_reg): Use output mechanism
2331 accounting for __USER_LABEL_PREFIX__.
2332 (ix86_output_indirect_branch_via_push): Likewise.
2333 (ix86_output_function_return): Likewise.
2334 (ix86_output_indirect_function_return): Likewise.
2336 2019-05-12 Richard Sandiford <richard.sandiford@arm.com>
2338 * doc/md.texi: Document use of code attributes in rtx patterns.
2339 * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2340 * read-rtl.c (find_code): Split out search loops into...
2341 (maybe_find_code): ...this new function.
2342 (check_code_iterator): Make the error message more informative.
2343 (check_code_attribute): New function.
2344 (rtx_reader::rtx_alloc_for_name): Likewise.
2345 (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2346 * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2347 * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2348 <max_opp> directly as an rtx code instead of via a match_operator.
2349 * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2350 (<su>abd<mode>_3): Update accordingly.
2352 2019-05-12 Iain Sandoe <iain@sandoe.co.uk>
2354 * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2355 is given, print the state of the EH "save world" computation for
2358 2019-05-11 Jakub Jelinek <jakub@redhat.com>
2361 * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2362 EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2364 2019-05-11 Uroš Bizjak <ubizjak@gmail.com>
2366 * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2367 Use pinsrd for TARGET_SSE4_1.
2368 * config/i386/sse.md (movdi_to_sse): Ditto.
2370 2019-05-10 Richard Biener <rguenther@suse.de>
2372 * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2373 (do_rpo_vn): Initialize next_value_id.
2375 2019-05-10 Martin Liska <mliska@suse.cz>
2377 * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2380 2019-05-10 Jakub Jelinek <jakub@redhat.com>
2382 PR tree-optimization/90385
2383 * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2384 arguments of the exit phis.
2387 * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2388 * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2390 (copy_tree_body_r): Likewise.
2391 (copy_fn): Set id.do_not_fold to true.
2393 2019-05-10 Martin Liska <mliska@suse.cz>
2395 * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2396 Reapply changes from r269790.
2398 2019-05-10 Martin Liska <mliska@suse.cz>
2401 * doc/invoke.texi: New params.
2402 * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2403 (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2404 * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2406 * tree-switch-conversion.h (struct jump_table_cluster):
2409 2019-05-09 Segher Boessenkool <segher@kernel.crashing.org>
2411 * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2413 2019-05-09 Bill Schmidt <wschmidt@linux.ibm.com>
2415 * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2417 2019-05-09 Alexander Monakov <amonakov@ispras.ru>
2419 PR rtl-optimization/88879
2420 * sel-sched.c (sel_target_adjust_priority): Remove assert.
2422 2019-05-09 Richard Earnshaw <rearnsha@arm.com>
2425 * config/arm/arm.c (callee_saved_reg_p): Move before
2426 thumb_find_work_register.
2427 (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2428 thumb_find_work_register. Only call df_get_live_out once.
2429 (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2430 (thumb_find_work_register): Use
2431 thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2432 algorithms to locate a spare call clobbered reg.
2434 2019-05-09 Martin Liska <mliska@suse.cz>
2436 * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2437 and MAX_EXPR in GIMPLE FE format.
2439 2019-05-09 Martin Liska <mliska@suse.cz>
2441 * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2442 * gimple-pretty-print.c (dump_gimple_bb_header):
2444 (pp_cfg_jump): Dump edge probability.
2445 * profile-count.c (profile_quality_as_string): Simplify
2446 with a static array.
2447 (parse_profile_quality): New function.
2448 (profile_count::dump): Simplify with a static array.
2449 (profile_count::from_gcov_type): Add new argument.
2450 * profile-count.h (parse_profile_quality): Likewise.
2451 * predict.h (set_hot_bb_threshold): New.
2452 * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2454 * predict.c (get_hot_bb_threshold): Set from the new param.
2455 (set_hot_bb_threshold): New.
2457 2019-05-09 Richard Biener <rguenther@suse.de>
2459 PR tree-optimization/90395
2460 * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2461 rewrite vector stores that throw internally.
2463 2019-05-09 Thomas Schwinge <thomas@codesourcery.com>
2465 * cif-code.def (CHKP): Remove.
2468 * configure.ac (--enable-frame-pointer): Disable by default for
2470 * configure: Regenerate.
2472 2019-05-09 Alan Modra <amodra@gmail.com>
2475 * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2476 (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2477 * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2478 cost for general <-> vsx when direct moves are available.
2479 Cost union classes at minimal cost for any reg in the class.
2480 Correct calculation for moves between vsx, float, and altivec.
2481 Don't return a low cost for moves between special regs. Don't
2482 use hard coded register numbers.
2483 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2484 (rs6000_ira_change_pseudo_allocno_class): New function.
2485 * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2486 (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2488 (movsi_internal1): Don't disparage vector alternatives.
2489 (mov<mode>_internal): Likewise, excepting alternative that
2491 * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2492 we <- b alternative.
2494 2019-05-08 Jakub Jelinek <jakub@redhat.com>
2497 PR tree-optimization/89060
2498 * tree-ssa-live.h (live_vars_map): New typedef.
2499 (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2500 * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2501 (struct compute_live_vars_data): New type.
2502 (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2503 live_vars_at_stmt, destroy_live_vars): New functions.
2504 * tree-tailcall.c: Include tree-ssa-live.h.
2505 (live_vars, live_vars_vec): New global variables.
2506 (find_tail_calls): Perform variable life analysis before punting.
2507 (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2508 * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2510 * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2511 Perform variable life analysis to select variables that really need
2513 (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2514 instead set id->eh_landing_pad_dest and assert it is the same.
2515 (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2517 2019-05-08 Mihail Ionescu <mihail.ionescu@arm.com>
2518 Richard Earnshaw <rearnsha@arm.com>
2521 * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2523 (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2524 (thumb1_compute_save_core_reg_mask): Don't force a spare work
2525 register if both the epilogue and prologue can use call-clobbered
2527 (thumb1_unexpanded_epilogue): Use
2528 thumb1_epilogue_unused_call_clobbered_lo_regs. Reverse the logic for
2529 picking temporaries for restoring high regs to match that of the
2530 prologue where possible.
2531 (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2532 the list of work registers. Detect if the return address is still live
2533 at the end of the prologue and avoid using it for a work register if so.
2534 If the return address is not live, add LR to the list of pushable regs
2535 after the first pass.
2537 2019-05-08 Bin Cheng <bin.cheng@linux.alibaba.com>
2539 PR tree-optimization/90078
2540 * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2541 (INFTY): Increase the value for infinite cost.
2542 (struct comp_cost): Promote type of members to int64_t.
2543 (infinite_cost): Don't set complexity in initialization.
2544 (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2545 overflows to infinite_cost.
2546 (adjust_setup_cost): Promote type of parameter and cost computation
2548 (struct ainc_cost_data, struct iv_ca): Promote type of member to
2550 (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2551 cost computation to int64_t.
2552 (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2553 int64_t's format specifier in dump.
2555 2019-05-08 Bin Cheng <bin.cheng@linux.alibaba.com>
2557 PR tree-optimization/90240
2558 * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2559 with respect to scaling factor pre-computed for each basic block.
2560 (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2561 (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2562 (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2563 (tree_ssa_iv_optimize_loop): Call determine_scaling_factor. Extend
2564 live range for array of loop's basic blocks. Cleanup aux field of
2565 loop's basic blocks.
2567 2019-05-08 Jakub Jelinek <jakub@redhat.com>
2569 PR tree-optimization/90356
2570 * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2572 2019-05-07 Wei Xiao <wei3.xiao@intel.com>
2574 * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2575 OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2576 (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2577 (ix86_handle_option): Handle -mavx512bf16.
2578 * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2580 * config/i386/avx512bf16vlintrin.h: New.
2581 * config/i386/avx512bf16intrin.h: New.
2582 * config/i386/cpuid.h (bit_AVX512BF16): New.
2583 * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2584 * config/i386/i386-builtin-types.def: Add new types.
2585 * config/i386/i386-builtin.def: Add new builtins.
2586 * config/i386/i386-c.c (ix86_target_macros_internal): Define
2588 * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2589 (ix86_option_override_internal): Handle BF16.
2590 (ix86_valid_target_attribute_inner_p): Ditto.
2591 * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2592 * config/i386/i386-builtin.c (enum processor_features): Add
2594 (static const _isa_names_table isa_names_table): Ditto.
2595 * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2596 (PTA_AVX512BF16): Ditto.
2597 * config/i386/i386.opt: Add -mavx512bf16.
2598 * config/i386/immintrin.h: Include avx512bf16intrin.h
2599 and avx512bf16vlintrin.h.
2600 * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2601 avx512f_cvtneps2bf16_<mode><mask_name>,
2602 avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2603 * config/i386/subst.md (mask_half): Add new subst.
2604 * doc/invoke.texi: Document -mavx512bf16.
2606 2019-05-07 Segher Boessenkool <segher@kernel.crashing.org>
2608 * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2610 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2611 (rs6000_debug_legitimize_reload_address): Delete.
2612 (rs6000_legitimize_reload_address_ptr): Delete.
2613 (rs6000_option_override_internal): Adjust.
2614 (mem_operand_gpr): Adjust comment.
2615 (legitimate_lo_sum_address_p): Ditto.
2616 (rs6000_legitimize_reload_address): Delete.
2617 (rs6000_debug_legitimize_reload_address): Delete.
2618 * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2620 2019-05-07 Kelvin Nilsen <kelvin@gcc.gnu.org>
2623 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2624 In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2625 to compute vector element selector for both constant and variable
2628 2019-05-07 Uroš Bizjak <ubizjak@gmail.com>
2630 * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2631 (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2632 ashrdi3_cvt using SWI48 mode iterator.
2634 2019-05-07 Alejandro Martinez <alejandro.martinezvicente@arm.com>
2636 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2637 (aarch64_<su>abd<mode>_3): Likewise.
2638 (*aarch64_<su>abd<mode>_3): New define_insn.
2639 (<sur>sad<vsi2qi>): New define_expand.
2640 * config/aarch64/iterators.md: Added MAX_OPP attribute.
2641 * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2642 (build_vect_cond_expr): Likewise.
2644 2019-05-07 Uroš Bizjak <ubizjak@gmail.com>
2646 * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2647 clobbers outside of accessible_reg_set.
2648 * config/i386/i386.c (ix86_conditional_register_usage):
2649 Disable register sets by clearing corresponding bits in
2650 accessible_reg_set. Do not set corresponding bits in fixed_regs,
2651 call_used_regs and don't clear corresponding reg_names array members.
2653 2019-05-07 Richard Biener <rguenther@suse.de>
2655 * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2656 not specified still compute a comp_vectype for invariant
2659 2019-05-07 Richard Biener <rguenther@suse.de>
2661 PR tree-optimization/90316
2662 * tree-ssa-pre.c (translate_vuse_through_block): When
2663 same_valid is NULL do not bother to search for a virtual
2665 (phi_translate_1): When operands changed we cannot keep
2666 the same value-number so do not bother to ask whether
2667 that's possible from translate_vuse_through_block.
2669 2019-05-07 Martin Liska <mliska@suse.cz>
2671 * bitmap.c (bitmap_register): Come up with
2672 alloc_descriptor_max_uid and assign it for
2674 (register_overhead): Use get_descriptor as
2676 (release_overhead): New.
2677 (bitmap_elem_to_freelist): Call it.
2678 (bitmap_elt_clear_from): Likewise.
2679 (bitmap_obstack_free): Likewise.
2680 (bitmap_move): Sensitively release memory.
2681 * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2682 (bitmap_initialize): Initialize alloc_descriptor to zero.
2683 * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2685 2019-05-07 Richard Biener <rguenther@suse.de>
2687 * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2688 we build a SLP node. Remove max_size and limiting.
2689 (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2691 2019-05-07 Richard Biener <rguenther@suse.de>
2693 PR tree-optimization/90316
2694 * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2696 (walk_non_aliased_vuses): Take walking limit argument.
2697 * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2698 walking if it is reached instead of just counting.
2699 (get_continuation_for_phi): Likewise.
2700 (walk_non_aliased_vuses): Likewise, instead of leaving counter
2701 limiting to the callback.
2702 * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2703 (vn_reference_lookup_3): Likewise.
2704 (vn_reference_lookup_pieces): Likewise.
2705 (vn_reference_lookup): Likewise.
2706 * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2707 * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2708 (avail_exprs_stack::lookup_avail_expr): Likewise.
2710 2019-05-07 Jan Hubicka <hubicka@ucw.cz>
2712 * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2713 for comparaible types in the second direction even if first one
2714 hits incomparable type.
2716 2019-05-07 Richard Biener <rguenther@suse.de>
2719 * lto-wrapper.c (debug_objcopy): Use the original filename
2720 including archive offset for the filename used for -save-temps.
2722 2019-05-07 Li Jia He <helijia@linux.ibm.com>
2724 * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2727 2019-05-06 H.J. Lu <hongjiu.lu@intel.com>
2728 Hongtao Liu <hongtao.liu@intel.com>
2732 * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
2733 Modified, original implementation isn't correct.
2735 2019-05-06 Segher Boessenkool <segher@kernel.crashing.org>
2737 * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2738 (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2739 (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2740 (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2741 (FRAME_POINTER_REGNUM): Change numbering.
2742 * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2743 (alt_reg_names): Adjust.
2744 (rs6000_conditional_register_usage): Don't mark hard register 64 as
2746 * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2747 (DWARF_FRAME_REGISTERS): Delete.
2748 (DWARF2_FRAME_REG_OUT): Fix whitespace.
2749 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2751 (REG_ALLOC_ORDER): Adjust.
2752 (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2753 (REG_CLASS_CONTENTS): Adjust.
2754 (RETURN_ADDR_RTX): Change comment.
2755 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2757 (REGISTER_NAMES): Adjust.
2758 (ADDITIONAL_REGISTER_NAMES): Adjust.
2759 * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2761 2019-05-06 Segher Boessenkool <segher@kernel.crashing.org>
2763 * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2765 * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2766 (DWARF_FRAME_REGISTERS): Adjust.
2767 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2769 (REG_ALLOC_ORDER): Adjust.
2770 (enum reg_class): Delete SPR_REGS.
2771 (REG_CLASS_NAMES): Delete SPR_REGS.
2772 (REG_CLASS_CONTENTS): Delete SPR_REGS. Adjust for deleted TM regs.
2773 (REGISTER_NAMES): Adjust.
2774 (ADDITIONAL_REGISTER_NAMES): Adjust.
2775 * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2776 * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2777 * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2778 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2779 (htm_spr_regno): Delete.
2780 (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2782 (rs6000_dbx_register_number): Adjust.
2784 2019-05-06 Segher Boessenkool <segher@kernel.crashing.org>
2786 * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2788 2019-05-06 Segher Boessenkool <segher@kernel.crashing.org>
2790 * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2791 FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2793 2019-05-06 Jakub Jelinek <jakub@redhat.com>
2795 PR tree-optimization/88709
2796 PR tree-optimization/90271
2797 * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2798 * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2799 non-clobber CONSTRUCTORs with no elts. Remove useless tmp_int
2801 (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2802 of the store merging group is larger than
2803 PARAM_STORE_MERGING_MAX_SIZE parameter.
2804 (split_group): Add bzero_first argument. If set, always emit first
2805 the first store which must be = {} of the whole area and then for the
2806 rest of the stores consider all zero bytes as paddings.
2807 (imm_store_chain_info::output_merged_store): Check if first store
2808 is = {} of the whole area and if yes, determine which setting of
2809 bzero_first for split_group gives smaller number of stores. Adjust
2810 split_group callers.
2811 (lhs_valid_for_store_merging_p): Allow decls.
2812 (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2814 (pass_store_merging::process_store): Likewise.
2816 2019-05-06 Kelvin Nilsen <kelvin@gcc.gnu.org>
2819 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2820 handling of V1TImode.
2822 2019-05-06 Uroš Bizjak <ubizjak@gmail.com>
2825 * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2826 and enable_frame_pointer ...
2827 * configure.ac: ... here. Update help strings for
2828 --enable-frame-pointer.
2829 * configure: Regenerate.
2830 * config/i386/i386-options.c (ix86_option_override_internal): Remove
2831 USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2832 * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2833 (USE_X86_64_FRAME_POINTER): Ditto.
2835 2019-05-06 Martin Liska <mliska@suse.cz>
2837 * config.gcc: Append to target_gtfiles and fix indentation.
2839 2019-05-06 Richard Biener <rguenther@suse.de>
2841 PR tree-optimization/90358
2842 * tree-vect-stmts.c (get_group_load_store_type): Properly
2843 detect unused upper half of load.
2844 (vectorizable_load): Likewise.
2846 2019-05-06 Richard Biener <rguenther@suse.de>
2848 PR tree-optimization/88828
2849 * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2850 (simplify_vector_constructor): ...here. Handle constants in
2853 2019-05-06 Richard Biener <rguenther@suse.de>
2855 PR tree-optimization/90328
2856 * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2857 * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2858 is valid in the loop nest before using it.
2859 (initialize_data_dependence_relation): Adjust.
2860 * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2861 loop as loop-nest to dr_may_alias_p.
2863 2019-05-06 Richard Biener <rguenther@suse.de>
2865 * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2867 2019-05-06 Richard Biener <rguenther@suse.de>
2869 PR tree-optimization/90316
2870 * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2871 compute target on demand.
2872 (get_continuation_for_phi): Remove code walking stmts to
2873 get to a target virtual operand which could end up being
2876 2019-05-06 Martin Liska <mliska@suse.cz>
2879 * config/i386/i386-options.c (ix86_option_override_internal): Error only
2880 when -mabi is selected to a non-default version.
2882 2019-05-06 Hrishikesh Kulkarni <hrishikeshparag@gmail.com>
2883 Martin Liska <mliska@suse.cz>
2885 * Makefile.in: Add lto-dump.texi.
2886 * cgraph.h: Add new functions get_visibility_string and
2887 get_symtab_type_string.
2888 * doc/gcc.texi: Include lto-dump section.
2889 * doc/lto-dump.texi: New file.
2890 * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2891 (parse_dump_option): Factor out this function.
2892 * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2893 (parse_dump_option): Export the function.
2894 * symtab.c (symtab_node::get_visibility_string): New function.
2895 (symtab_node::get_symtab_type_string): Likewise.
2897 2019-05-06 Martin Liska <mliska@suse.cz>
2899 * config/i386/i386-builtins.c: New file.
2900 * config/i386/i386-builtins.h: New file.
2901 * config/i386/i386-expand.c: New file.
2902 * config/i386/i386-expand.h: New file.
2903 * config/i386/i386-features.c: New file.
2904 * config/i386/i386-features.h: New file.
2905 * config/i386/i386-options.c: New file.
2906 * config/i386/i386-options.h: New file.
2907 * config.gcc: Add new files into extra_objs and
2909 * config/i386/i386.c: Split content of the file
2910 into newly introduced files.
2911 * config/i386/i386.h: Declare common variables
2913 * config/i386/t-i386: Define dependencies for new files.
2915 2019-05-03 Richard Earnshaw <rearnsha@arm.com>
2918 * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2919 Restrict 'all' variant to 32-bit configurations.
2920 (unaligned_loadhiu): Likewise.
2921 (unaligned_storehi): Likewise.
2922 (unaligned_storesi): Likewise.
2923 (unaligned_loadhis): Disable when compiling for thumb1.
2925 2019-05-03 Marc Glisse <marc.glisse@inria.fr>
2927 PR tree-optimization/90269
2928 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2931 2019-05-03 Martin Liska <mliska@suse.cz>
2933 * hash-map.h: Add is_empty function.
2934 * hash-set.h: Likewise.
2935 * hash-table.h: Likewise.
2936 * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2937 elements () == 0 (and similar usages).
2938 * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2939 * gimplify.c (gimplify_bind_expr): Likewise.
2940 (gimplify_switch_expr): Likewise.
2941 * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2942 * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2943 * postreload-gcse.c (dump_hash_table): Likewise.
2944 (gcse_after_reload_main): Likewise.
2945 * predict.c (combine_predictions_for_bb): Likewise.
2946 * tree-parloops.c (reduction_phi): Likewise.
2947 (separate_decls_in_region): Likewise.
2948 (transform_to_exit_first_loop): Likewise.
2949 (gen_parallel_loop): Likewise.
2950 (gather_scalar_reductions): Likewise.
2951 (try_create_reduction_list): Likewise.
2952 * var-tracking.c (dump_vars): Likewise.
2953 (emit_notes_for_changes): Likewise.
2954 (vt_emit_notes): Likewise.
2956 2019-05-03 Richard Biener <rguenther@suse.de>
2958 PR tree-optimization/90316
2959 * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2962 2019-05-03 Richard Biener <rguenther@suse.de>
2964 * tree-vect-stmts.c (get_group_load_store_type): Avoid
2965 peeling for gaps by loading only lower halves of vectors
2967 (vectorizable_load): Likewise.
2969 2019-05-03 Richard Biener <rguenther@suse.de>
2972 * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2974 2019-05-03 Richard Biener <rguenther@suse.de>
2977 * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2978 Handle STRING_CST vs DECL or STRING_CST.
2980 2019-05-03 Richard Biener <rguenther@suse.de>
2982 PR tree-optimization/88963
2983 * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2984 vector loads feeding only BIT_FIELD_REFs to component
2985 loads. Rewrite stores fed by CONSTRUCTORs to component
2988 2019-05-03 Jakub Jelinek <jakub@redhat.com>
2990 * opts.h (finish_options): Remove lang_mask argument.
2991 (print_help, help_option_argument): Declare.
2992 * opts.c (print_help): Remove forward declaration, no longer static.
2993 (finish_options): Remove lang_mask argument, don't call print_help
2995 * opts-global.c (decode_options): Adjust finish_option caller, call
2998 PR tree-optimization/90303
2999 * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3000 TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3002 2019-05-03 Richard Biener <rguenther@suse.de>
3004 PR tree-optimization/89698
3005 * gimple-fold.c (canonicalize_constructor_val): Early out
3006 for constants, handle unfolded INTEGER_CSTs as they appear in
3007 C++ virtual table ctors.
3009 2019-05-03 Richard Biener <rguenther@suse.de>
3011 * passes.c (execute_function_todo): Remove dead code.
3013 2019-05-02 Segher Boessenkool <segher@kernel.crashing.org>
3015 * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
3016 the internal register number, for any "real" register.
3018 2019-05-02 Segher Boessenkool <segher@kernel.crashing.org>
3020 * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
3021 correct numbers for TFHAR, TFIAR, TEXASR.
3023 2019-05-02 Richard Biener <rguenther@suse.de>
3025 PR tree-optimization/89653
3026 * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
3027 update-address-taken before the pass.
3028 * passes.def (pass_tree_loop_init): Put comment before it.
3030 2019-05-02 Richard Biener <rguenther@suse.de>
3032 PR tree-optimization/89509
3033 * tree-ssa-structalias.c (compute_dependence_clique): Look
3034 at the first subvar when determining whether it is restrict.
3036 2019-05-02 Richard Biener <rguenther@suse.de>
3038 PR tree-optimization/90273
3039 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
3040 useless debug stmts.
3042 2019-05-02 Alejandro Martinez <alejandro.martinezvicente@arm.com>
3044 * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
3046 * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
3048 * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
3049 VEC_COND_EXPR be inserted to emulate a conditional internal function.
3050 (build_vect_cond_expr): Emit the VEC_COND_EXPR.
3051 (vectorizable_reduction): Use the functions above to vectorize in a
3052 fully masked loop codes that don't have a conditional internal
3055 2019-05-02 Martin Liska <mliska@suse.cz>
3057 * cgraphclones.c: Call valid_attribute_p with 1 for
3059 * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
3060 it's for target attribute.
3061 * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
3062 Add new boolean argument.
3063 * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
3065 (ix86_valid_target_attribute_tree): Pass target_clone_attr
3066 to ix86_valid_target_attribute_inner_p.
3067 (ix86_valid_target_attribute_p): Pass flags argument to
3068 ix86_valid_target_attribute_inner_p.
3069 (get_builtin_code_for_version): Use 0 as it's target attribute.
3071 2019-05-02 Martin Liska <mliska@suse.cz>
3073 * gcc.c (process_command): Add dummy file only
3075 * opts-global.c (decode_options): Pass lang_mask.
3076 * opts.c (print_help): New function.
3077 (finish_options): Print --help if help_option_argument
3079 (common_handle_option): Factor out content of OPT__help_
3081 * opts.h (finish_options): Add new argument.
3083 2019-05-02 Martin Liska <mliska@suse.cz>
3086 * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
3087 With -minline-all-stringops use inline expansion using 4B loop.
3088 * doc/invoke.texi: Document the change of
3089 -minline-all-stringops.
3091 2019-05-01 Jeff Law <law@redhat.com>
3093 PR tree-optimization/88797
3094 * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
3095 PHI feeds a conditional on the RHS of an assignment.
3097 2019-04-30 Andrew Waterman <andrew@sifive.com>
3098 Jim Wilson <jimw@sifive.com>
3100 * config/riscv/constraints.md (L): New.
3101 * config/riscv/predicates.md (lui_operand): New.
3102 (sfb_alu_operand): New.
3103 * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
3104 * config/riscv/riscv.c (riscv_expand_conditional_move): New.
3105 * config/riscv/riscv.h (TARGET_SFB_ALU): New.
3106 * config/riscv/risc.md (type): Add sfb_alu.
3107 (branch<mode>): Renamed from branch_order<mode>. Change predicate for
3108 operand 3 to reg_or_0_operand. In output string, change %3 to %z3.
3109 (branch_zero<mode>): Delete.
3111 (mov<GPR:mode><X:mode>cc): Likewise.
3112 * config/riscv/sifive-7.md (sifive_7_sfb_alu): New. Use in bypasses.
3114 2019-04-30 Nathan Sidwell <nathan@acm.org>
3116 * tree.h (MARK_TS_EXP): New.
3118 2019-04-30 Martin Liska <mliska@suse.cz>
3120 * opts.c (enable_warning_as_error): Provide hints
3121 for unknown options.
3123 2019-04-30 Martin Liska <mliska@suse.cz>
3126 * doc/invoke.texi: Add missing dash for gas-locview-support
3127 and gno-as-locview-support.
3129 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3132 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
3133 whitespace at the start of target attribute string.
3135 2019-04-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3138 * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
3139 Define __ARM_FEATURE_ATOMICS.
3141 2019-04-30 Martin Liska <mliska@suse.cz>
3143 * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
3144 into built_in_function enum. Remove code for endp == 2 and
3145 use BUILT_IN_* constants.
3146 (gimple_fold_builtin): Call the function with fcode.
3148 2019-04-30 Martin Liska <mliska@suse.cz>
3150 * config/i386/i386.c (ix86_builtin_reciprocal): Cast
3151 DECL_FUNCTION_CODE into ix86_builtins enum before
3152 the switch statement.
3154 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3156 PR tree-optimization/89475
3157 * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
3160 2019-04-30 Martin Liska <mliska@suse.cz>
3162 PR translation/90274
3163 * opts.c (print_filtered_help): Wrap string in _(...).
3165 2019-04-30 Bin Cheng <bin.cheng@linux.alibaba.com>
3167 PR tree-optimization/90240
3169 2019-04-23 Bin Cheng <bin.cheng@linux.alibaba.com>
3171 PR tree-optimization/90078
3172 * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3173 checks for infinite_cost overflow.
3175 2019-04-29 Jeff Law <law@redhat.com>
3177 * passes.def: Move -Wrestrict pass after copy propagation.
3179 2019-04-29 Maya Rashish <coypu@sdf.org>
3181 * config.gcc (default_gnu_indirect_function): Default to yes
3182 for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
3183 sparc*-*-netbsd*, x86_64-*-netbsd*.
3185 2019-04-29 Vladislav Ivanishin <vlad@ispras.ru>
3187 * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3188 where cond2 is NE_EXPR.
3189 (is_value_included_in): Update comment.
3191 2019-04-29 Richard Biener <rguenther@suse.de>
3193 PR tree-optimization/90278
3194 * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3195 EH on comparison simplification.
3197 2019-04-29 Jason Merrill <jason@redhat.com>
3199 PR c++/82081 - tail call optimization breaks noexcept
3200 * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3201 nothrow function to a might-throw function into a tail call.
3203 2019-04-29 Richard Sandiford <richard.sandiford@arm.com>
3205 * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3206 (DDR_INNER_LOOP): Likewise.
3207 * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3208 (initialize_data_dependence_relation): Likewise.
3209 (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3211 2019-04-29 Jakub Jelinek <jakub@redhat.com>
3213 PR rtl-optimization/90257
3214 * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3218 2019-04-21 H.J. Lu <hongjiu.lu@intel.com>
3222 2018-11-21 Uros Bizjak <ubizjak@gmail.com>
3225 2013-10-26 Vladimir Makarov <vmakarov@redhat.com>
3228 2013-10-25 Vladimir Makarov <vmakarov@redhat.com>
3230 * lra-spills.c (lra_final_code_change): Remove useless move insns.
3232 2019-04-29 Richard Biener <rguenther@suse.de>
3234 * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3237 2019-04-27 Iain Buclaw <ibuclaw@gdcproject.org>
3239 * config/netbsd-d.c: Include memmodel.h. Remove unused tree.h,
3240 varasm.h, and netbsd-protos.h.
3242 2019-04-27 Uroš Bizjak <ubizjak@gmail.com>
3245 * config/i386/i386-protos.h (ix86_data_alignment): Change
3246 the second argument type to unsigned int.
3247 * config/i386/i386.c (ix86_data_alignment): Change "align"
3248 argument type to unsigned int.
3250 2019-04-27 Martin Liska <mliska@suse.cz>
3253 * opt-suggestions.c (option_proposer::build_option_suggestions):
3254 When get_valid_option_values returns empty values, add the
3255 misspelling candidate.
3257 2019-04-26 Jim Wilson <jimw@sifive.com>
3259 * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3261 * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3262 Pass orig_mode to riscv_build_integer.
3263 (riscv_split_integer): Pass mode to riscv_move_integer.
3264 (riscv_legitimize_const_move): Likewise.
3265 (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3266 promoted_mode. Replace force_reg call with code to load constant into
3267 promoted reg and then subreg it for the store.
3268 * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3271 2018-04-26 Eugene Sharygin <eush@ispras.ru>
3273 * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3276 2019-04-26 Richard Sandiford <richard.sandiford@arm.com>
3278 * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3279 commentary about the encoding of precision.
3281 2019-04-25 Andreas Tobler <andreast@gcc.gnu.org>
3283 * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3284 * config/i386/t-freebsd64: New file.
3285 * config.gcc: Add the t-freebsd64 for multilib support.
3287 2019-04-25 Uroš Bizjak <ubizjak@gmail.com>
3289 * doc/extend.texi (vector_size): Add missing comma after @xref.
3291 2019-04-25 Jakub Jelinek <jakub@redhat.com>
3293 * BASE-VER: Set to 10.0.0.
3295 2019-04-25 Richard Biener <rguenther@suse.de>
3298 * gimplify.c (gimplify_expr): Avoid turning a lvalue
3299 VIEW_CONVERT_EXPR into one operating on an rvalue.
3301 2019-04-25 H.J. Lu <hongjiu.lu@intel.com>
3304 * config/i386/i386.c (feature_priority): Moved to file scope.
3305 (processor_features): Likewise.
3306 (processor_model): Likewise.
3307 (_arch_names_table): Likewise.
3308 (arch_names_table): Likewise.
3309 (_feature_list): Removed.
3310 (feature_list): Likewise.
3311 (_isa_names_table): Moved to file scope. Add priority.
3312 (isa_names_table): Likewise.
3313 (get_builtin_code_for_version): Replace feature_list with
3314 isa_names_table. Update error message for P_ZERO priority.
3316 2019-04-25 Richard Biener <rguenther@suse.de>
3318 * tree-pass.h (make_pass_phi_only_cprop): Remove.
3319 * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3321 2019-04-24 Jeff Law <law@redhat.com>
3323 PR tree-optimization/90037
3324 * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3325 * passes.def: Replace all instance of phi-only cprop with the
3326 lattice propagator. Move propagation pass from after erroneous
3327 path isolation to before erroneous path isolation.
3328 * tree-ssa-phionlycprop.c: Remove.
3330 2019-04-24 Richard Biener <rguenther@suse.de>
3333 * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3334 by size and BITS_PER_UNIT on poly-wide-ints.
3336 2019-04-25 Richard Biener <rguenther@suse.de>
3339 * match.pd: Add pattern to simplify view-conversion of an
3342 2019-04-24 Clement Chigot <clement.chigot@atos.net>
3344 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3345 OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3346 for Go on 32 bit AIX.
3347 * config/rs6000/aix72.h: Likewise.
3349 2019-04-24 Jakub Jelinek <jakub@redhat.com>
3352 * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3353 * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3355 2019-04-24 Andreas Krebbel <krebbel@linux.ibm.com>
3358 * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3359 from FPRs in reverse order. Generate REG_CFA_DEF_CFA note also
3360 for restored hard frame pointer.
3361 (s390_sched_dependencies_evaluation): Implement new target hook.
3362 (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3364 2019-04-24 Claudiu Zissulescu <claziss@sysnopsys.com>
3366 * config/arc/arc-options.def: Fix typos and spelling mistakes.
3367 * config/arc/arc.c (arc_init): Cleanup warning message.
3368 (arc_override_options): Likewise.
3370 2019-04-24 Jakub Jelinek <jakub@redhat.com>
3373 * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3374 a register if both if_true and if_false are MEMs.
3376 PR tree-optimization/90208
3377 * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3378 after labels of new_bb, not before them.
3380 PR tree-optimization/90211
3381 * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3382 which are not SSA_NAMEs.
3384 2018-04-23 Sudakshina Das <sudi.das@arm.com>
3386 * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3388 (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3390 2019-04-23 Roman Zhuykov <zhroma@ispras.ru>
3392 PR rtl-optimization/87979
3393 * modulo-sched.c (sms_schedule): Start ii value "mii" should
3396 2019-04-23 Roman Zhuykov <zhroma@ispras.ru>
3398 PR rtl-optimization/84032
3399 * modulo-sched.c (ps_insn_find_column): Change condition so that
3400 branch will always be the last insn in a row inside partial
3403 2019-04-23 Richard Biener <rguenther@suse.de>
3406 * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3407 dest_single_pred_p argument.
3408 (remove_forwarder_block): Adjust.
3409 (remove_forwarder_block_with_phi): Likewise.
3411 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3412 Bernd Edlinger <bernd.edlinger@hotmail.de>
3413 Jakub Jelinek <jakub@redhat.com>
3416 * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3417 if used with general-regs-only.
3418 (arm_conditional_register_usage): Don't add non-general regs if
3420 (arm_valid_target_attribute_rec): Handle general-regs-only.
3421 * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3423 (TARGET_HARD_FLOAT_SUB): Define.
3424 (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3425 (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3426 (TARGET_REALLY_IWMMXT2): Likewise.
3427 * config/arm/arm.opt: Add -mgeneral-regs-only.
3428 * doc/extend.texi: Document ARM general-regs-only target.
3429 * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3431 2019-04-23 Bin Cheng <bin.cheng@linux.alibaba.com>
3433 PR tree-optimization/90078
3434 * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3435 checks for infinite_cost overflow.
3437 2019-04-23 Bin Cheng <bin.cheng@linux.alibaba.com>
3439 PR tree-optimization/90021
3440 * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3441 and check univariate against it.
3442 * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3443 * tree-data-ref.c (add_other_self_distances): Pass new argument.
3445 2019-04-21 H.J. Lu <hongjiu.lu@intel.com>
3449 2018-11-21 Uros Bizjak <ubizjak@gmail.com>
3452 2013-10-26 Vladimir Makarov <vmakarov@redhat.com>
3455 2013-10-25 Vladimir Makarov <vmakarov@redhat.com>
3457 * lra-spills.c (lra_final_code_change): Remove useless move insns.
3459 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3461 * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3462 names using operand format, rather than hard-wired.
3463 (speculation_barrier): Likewise.
3465 2019-04-19 Segher Boessenkool <segher@kernel.crashing.org>
3467 PR tree-optimization/88055
3468 * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3469 (gen_one_condition): Use it if !HONOR_NANS.
3471 2019-04-19 Jakub Jelinek <jakub@redhat.com>
3474 * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3475 assign_temp instead of gen_reg_rtx.
3477 2019-04-19 Christophe Lyon <christophe.lyon@linaro.org>
3479 PR translation/90118
3480 * config/aarch64/aarch64.c (aarch64_override_options_internal):
3481 Add missing space before %<.
3483 2019-04-18 Peter Bergner <bergner@linux.ibm.com>
3485 PR rtl-optimization/87871
3486 * ira-lives.c (make_object_dead): Don't add conflicts to
3487 TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3489 2019-04-18 Martin Sebor <msebor@redhat.com>
3492 * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3493 * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3494 assuming type size fits in SHWI.
3496 2019-04-18 Jan Hubicka <hubicka@ucw.cz>
3499 * ipa-inline.c (flatten_function): New parameter UPDATE.
3500 (ipa_inline, early_inliner): Use it.
3502 2019-04-18 Richard Sandiford <richard.sandiford@arm.com>
3504 * fold-const.c (int_const_binop): Return early on failure.
3506 2019-04-18 Richard Sandiford <richard.sandiford@arm.com>
3509 * combine.c (force_int_to_mode): Cast the argument rather than
3510 the result of known_alignment.
3511 * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3513 2019-04-18 Richard Biener <rguenther@suse.de>
3516 * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3518 (remove_forwarder_block): ... here.
3519 (remove_forwarder_block_with_phi): Also move debug stmts here.
3521 2019-04-18 Jakub Jelinek <jakub@redhat.com>
3523 PR translation/79183
3524 * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3525 inform where appropriate.
3527 2019-04-18 Richard Biener <rguenther@suse.de>
3529 * tree.c (get_qualified_type): Put found type variants at the
3530 head of the variant list.
3532 2018-04-17 Segher Boessenkool <segher@kernel.crashing.org>
3534 * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3536 2019-04-17 Hongtao Liu <hongtao.liu@intel.com>
3539 * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3540 _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3541 _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3542 _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3543 _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3545 2019-04-17 Peter Bergner <bergner@linux.ibm.com>
3547 * ira-conflicts.c (print_allocno_conflicts): Always print something,
3548 even for allocno's with no conflicts.
3549 (print_conflicts): Print an extra newline.
3551 2019-04-17 Segher Boessenkool <segher@kernel.crashing.org>
3553 * auto-inc-dec.c (attempt_change): Set the alignment of the
3554 temporary memory to that of the original.
3556 2019-04-17 Joao Moreira <jmoreira@suse.de>
3558 * targhooks.c (default_print_patchable_function_entry): Emit
3559 __patchable_function_entries section with writable flags to allow
3560 relocation resolution.
3562 2019-04-17 Jonny Grant <jg@jguk.org>
3564 * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3566 2019-04-17 Jakub Jelinek <jakub@redhat.com>
3569 * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3572 2019-04-17 Claudiu Zissulescu <claziss@synopsys.com>
3574 * config/arc/arc.c (arc_init): Format diagnostic string.
3575 (arc_override_options): Likewise.
3576 (check_if_valid_regno_const): Likewise.
3577 (arc_reorg): Likewise.
3579 2019-04-17 Segher Boessenkool <segher@kernel.crashing.org>
3582 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3584 (rs6000_emit_allocate_stack_1): Simplify condition. Adjust pattern
3586 * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3587 (*movdi_update1): Use Pmode.
3588 (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3589 (movdi_<mode>_update_stack): Rename to ...
3590 (movdi_update_stack): ... this. Fix comment. Change condition. Don't
3592 (*movsi_update1): Use Pmode.
3593 (*movsi_update2): Use Pmode.
3594 (movsi_update): Rename to ...
3595 (movsi_<mode>_update): ... this. Use Pmode.
3596 (movsi_update_stack): Fix condition.
3597 (*movhi_update1): Use Pmode. Fix argument to
3598 avoiding_indexed_address_p.
3599 (*movhi_update2): Ditto.
3600 (*movhi_update3): Ditto.
3601 (*movhi_update4): Ditto.
3602 (*movqi_update1): Ditto.
3603 (*movqi_update2): Ditto.
3604 (*movqi_update3): Ditto.
3605 (*movsf_update1, *movdf_update1): Merge, rename to...
3606 (*mov<mode>_update1): This. Use Pmode. Fix argument to
3607 avoiding_indexed_address_p. Add "size" attribute.
3608 (*movsf_update2, *movdf_update2): Merge, rename to...
3609 (*mov<mode>_update2): This. Ditto.
3610 (*movsf_update3): Use Pmode. Fix argument to
3611 avoiding_indexed_address_p.
3612 (*movsf_update4): Ditto.
3613 (allocate_stack): Simplify condition. Adjust pattern names.
3615 2019-04-17 Jakub Jelinek <jakub@redhat.com>
3618 * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3619 whitespace at the start of target attribute string.
3621 2019-04-16 Pat Haugen <pthaugen@us.ibm.com>
3624 * config/rs6000/power9.md: Add store forwarding bypass.
3626 2019-04-16 Alexandre Oliva <aoliva@redhat.com>
3629 * valtrack.c (dead_debug_insert_temp): Reset debug references
3630 to the return value of a call being removed.
3632 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
3634 * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3635 * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3636 implement target hook.
3637 (arc_memory_move_cost): New function.
3638 (TARGET_REGISTER_MOVE_COST): Define.
3639 (TARGET_MEMORY_MOVE_COST): Likewise.
3640 * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3641 (MEMORY_MOVE_COST): Likewise.
3643 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
3645 * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3646 (sibcall_value_insn): Likewise.
3647 * config/arc/constraints.md (Rs5): Remove.
3649 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
3651 * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3652 for last two fake registers.
3653 (arc_conditional_register_usage): Make sure fake frame and arg
3654 pointer regs are in general regs class.
3655 (FRAME_POINTER_MASK): Remove.
3656 (RETURN_ADDR_MASK): Remove.
3657 (arc_must_save_register): Use hard frame regnum.
3658 (frame_restore_reg): Use hard_frame_pointer_rtx.
3659 (arc_save_callee_saves): Likewise.
3660 (arc_restore_callee_saves): Likewise.
3661 (arc_save_callee_enter): Likewise.
3662 (arc_restore_callee_leave): Likewise.
3663 (arc_save_callee_milli): Likewise.
3664 (arc_eh_return_address_location): Likewise.
3665 (arc_check_multi): Use hard frame regnum.
3666 (arc_can_eliminate): Likewise.
3667 * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3668 for register allocator.
3669 (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3670 (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3671 (FRAME_POINTER_REGNUM): Change it to a fake register.
3672 (HARD_FRAME_POINTER_REGNUM): Defined.
3673 (ARG_POINTER_REGNUM): Change it to a new fake register.
3674 (ELIMINABLE_REGS): Update.
3675 (REGISTER_NAMES): Update names.
3676 * config/arc/arc.md (LP_START): Remove.
3678 (shift_si3_loop): Update pattern.
3680 2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
3682 * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3683 to avoid delay slot scheduling.
3684 (arc_must_save_register): Don't save SP.
3685 * config/arc/arc.md (stack_tie): Remove.
3686 (UNSPEC_ARC_STKTIE): Likewise.
3688 2019-04-16 Kito Cheng <kito.cheng@gmail.com>
3689 Shiva Chen <shiva0217@gmail.com>
3691 * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3692 code gen with large shift amount.
3694 2019-04-16 Chung-Ju Wu <jasonwucj@gmail.com>
3696 * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3699 2019-04-16 Jakub Jelinek <jakub@redhat.com>
3702 * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3703 print -m64/-mx32/-m32 if it is true.
3704 (ix86_debug_options, ix86_function_specific_print): Pass true as
3705 ADD_ABI_P to ix86_target_string.
3706 (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3707 ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3708 or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3710 PR rtl-optimization/90082
3711 * dce.c (can_delete_call): New function.
3712 (deletable_insn_p, mark_insn): Use it.
3714 PR tree-optimization/90090
3715 * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3717 (is_division_by_square): Likewise. Formatting fix.
3719 2019-04-16 Richard Biener <rguenther@suse.de>
3721 PR tree-optimization/56049
3722 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3723 equality check if alias-set zero will prevail.
3725 2019-04-15 Jeff Law <law@redhat.com>
3727 * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3728 size and alignment as unsigned.
3730 2019-04-15 Richard Biener <rguenther@suse.de>
3733 * tree-loop-distribution.c (destroy_loop): Preserve correct
3736 2019-04-15 Richard Biener <rguenther@suse.de>
3738 PR tree-optimization/90071
3739 * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3740 abnormal operands from def stmts.
3742 2019-04-15 Segher Boessenkool <segher@kernel.crashing.org>
3744 PR rtl-optimization/89794
3745 * combine.c (count_auto_inc): New function.
3746 (try_combine): Count how many auto_inc expressions there were in the
3747 original instructions. Ensure we have the same number in the new
3748 instructions. Remove the code that tried to ensure auto_inc side
3749 effects on i1 and i0 are not lost.
3751 2019-04-15 Richard Biener <rguenther@suse.de>
3754 * tree.h (auto_var_p): Declare.
3755 * tree.c (auto_var_p): New function, split out from ...
3756 (auto_var_in_fn_p): ... here.
3757 * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3759 (new_var_info): Initialize it.
3760 (set_uids_in_ptset): Also set the shadow variable uid if required.
3761 (ipa_pta_execute): Postprocess points-to solutions assigning
3762 shadow variable uids for locals that may reach their containing
3763 function recursively.
3764 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3765 assert but instead check whether the points-to solution is
3768 2019-04-15 Martin Jambor <mjambor@suse.cz>
3771 * cgraph.c (clone_of_p): Loop over clone chain for each step in
3774 2019-04-15 Monk Chiang <sh.chiang04@gmail.com>
3776 * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3778 2019-04-15 Monk Chiang <sh.chiang04@gmail.com>
3779 Kito Cheng <kito.cheng@gmail.com>
3780 Shiva Chen <shiva0217@gmail.com>
3782 * config/nds32/nds32-md-auxiliary.c
3783 (nds32_legitimize_pic_address): Use new PIC pattern.
3784 (nds32_legitimize_tls_address): Use new TLS pattern.
3785 (nds32_output_symrel): New.
3786 * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3787 (nds32_alloc_relax_group_id): Ditto.
3788 * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3789 (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3791 (nds32_group_tls_insn): Ditto.
3792 (nds32_group_float_insns): Ditto.
3793 * config/nds32/nds32.md (tls_le): New.
3796 2019-04-15 Chung-Ju Wu <jasonwucj@gmail.com>
3798 * configure: Add nds32 target for dwarf2 debug_line checking.
3799 * configure.ac: Regenerated.
3801 2019-04-14 Jan Hubicka <hubicka@ucw.cz>
3804 * ipa-devirt.c (skip_in_fields_list_p): New.
3805 (odr_types_equivalent_p): Use it.
3807 2019-04-13 Jakub Jelinek <jakub@redhat.com>
3810 * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3811 instead of strncmp when checking for thumb and arm. Formatting fixes.
3813 2019-04-12 Iain Buclaw <ibuclaw@gdcproject.org>
3815 * doc/install.texi: Document --with-target-system-zlib.
3817 2019-04-12 Martin Sebor <msebor@redhat.com>
3823 * targhooks.c (default_vector_alignment): Avoid assuming
3824 argument fits in SHWI.
3825 * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3827 * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3829 2019-04-12 Jakub Jelinek <jakub@redhat.com>
3831 PR rtl-optimization/89965
3832 * dce.c: Include rtl-iter.h.
3833 (struct check_argument_load_data): New type.
3834 (check_argument_load): New function.
3835 (find_call_stack_args): Check for loads from stack slots still tracked
3836 in sp_bytes and punt if any is found.
3838 * config/mips/loongson-mmiintrin.h: Fix up #error message.
3840 2019-04-12 Jan Hubicka <hubicka@ucw.cz>
3842 * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3843 * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3845 2019-04-12 Martin Liska <mliska@suse.cz>
3848 * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3850 (separate_attrs): Handle multiple 'default's.
3851 (expand_target_clones): Rework error handling code.
3853 2019-04-12 Kelvin Nilsen <kelvin@gcc.gnu.org>
3856 * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3857 mode of vector rather than mode of destination for move instruction.
3858 * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3859 Use QI inner mode with V16QI vector mode.
3861 2019-04-12 Jakub Jelinek <jakub@redhat.com>
3864 * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3865 "invalid %%t operand" in output_operand_lossage message.
3867 2019-04-12 Andreas Krebbel <krebbel@linux.ibm.com>
3869 * config/s390/predicates.md (permute_pattern_operand): New
3871 * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3872 operand for the permute pattern.
3873 ("*vec_perm<mode>"): New insn definition.
3874 ("bswap<mode>"): Generate the permute pattern operand in the
3875 expander and perform the operand reloads for pre arch13 level
3877 ("*bswap<mode>_emu"): Rename to ...
3878 ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3879 * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3880 Add the USE operand for the permute pattern.
3881 ("*vec_set_bswap_vec<mode>"): Likewise.
3883 2019-04-12 Jakub Jelinek <jakub@redhat.com>
3886 * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3887 and gcc_unreachable if it fails, just call tree_to_uhwi which
3888 verifies that too. Test TREE_CHAIN instead of list_length > 1.
3889 Start warning message with a lower-case letter. Formatting fixes.
3891 PR rtl-optimization/90026
3892 * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3893 successors, look for BARRIERs inside of the whole BB_FOOTER chain
3894 rather than just at the start of it. If e->src BB_FOOTER is not NULL
3895 in cfglayout mode, use emit_barrier_after_bb.
3897 2018-04-11 Steve Ellcey <sellcey@marvell.com>
3899 PR rtl-optimization/87763
3900 * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3903 2019-04-11 Tom de Vries <tdevries@suse.de>
3905 * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3906 max macro using statement expression.
3908 2019-04-11 David Edelsohn <dje.gcc@gmail.com>
3910 * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3911 * xcoffout.c (xcoff_private_rodata_section_name): Define.
3912 * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3913 read_only_private_data_section using xcoff_private_rodata_section_name.
3914 (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3916 2019-04-11 Christophe Lyon <christophe.lyon@linaro.org>
3919 * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3921 2019-04-11 Jakub Jelinek <jakub@redhat.com>
3923 PR rtl-optimization/89965
3924 * dce.c (sp_based_mem_offset): New function.
3925 (find_call_stack_args): Use sp_based_mem_offset.
3927 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3929 * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3931 2019-04-11 Richard Biener <rguenther@suse.de>
3933 PR tree-optimization/90020
3934 * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3935 * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3936 * tree-ssa-pre.c (compute_avail): Use it to not put
3937 possibly trapping references after a call that might not
3938 return into EXP_GEN.
3939 * gcse.c (compute_hash_table_work): Do not elide
3940 marking a block containing a call if the call might not
3943 2019-04-11 Richard Biener <rguenther@suse.de>
3945 PR tree-optimization/90018
3946 * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3947 Test both SLP and interleaving variants.
3949 2019-04-11 Robin Dapp <rdapp@linux.ibm.com>
3951 * config/s390/8561.md: New file.
3952 * config/s390/driver-native.c (s390_host_detect_local_cpu):
3953 Add arch13 cpu model.
3954 * config/s390/s390-opts.h (enum processor_type): Likewise.
3955 * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3956 (s390_get_unit_mask): Likewise.
3957 (s390_is_fpd): Likewise.
3958 (s390_is_fxd): Likewise.
3959 * config/s390/s390.h (s390_tune_attr): Likewise.
3960 * config/s390/s390.md: Include arch13 pipeline description.
3961 * config/s390/s390.opt: Add arch13.
3963 2018-04-10 Steve Ellcey <sellcey@marvell.com>
3965 PR rtl-optimization/87763
3966 * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3968 * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3970 * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3972 (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3973 (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3974 (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3975 (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3977 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3979 * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3980 "Although" in -fipa-icf documentation.
3982 * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3983 of using multiple -g options.
3985 2019-04-10 Martin Liska <mliska@suse.cz>
3987 PR gcov-profile/89959
3988 * doc/gcov.texi: Make documentation of -x option
3991 2019-04-10 Richard Biener <rguenther@suse.de>
3993 * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3995 (DR_GROUP_SAME_DR_STMT): Remove.
3996 * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3997 * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3998 replace with assert.
3999 (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4000 (vect_record_grouped_load_vectors): Remove unreachable code.
4002 2019-04-10 Richard Earnshaw <rearnsha@arm.com>
4005 * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4006 obsolete reference to N.
4008 2019-04-10 Jakub Jelinek <jakub@redhat.com>
4011 * expr.c (store_expr): Set properly size on the MEM passed to
4015 * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
4016 with strlen in between hostsz-3 and hostsz-1 inclusive when no
4017 translation is needed, and when translation is needed, only append
4018 ... if the string length is hostsz or more bytes long. Avoid using
4021 2019-04-09 Matthew Malcomson <matthew.malcomson@arm.com>
4024 * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
4025 * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
4027 * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
4028 differences directly.
4029 (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
4031 2019-04-09 Jakub Jelinek <jakub@redhat.com>
4033 PR translation/90011
4034 * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4036 * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
4038 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
4039 * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
4040 * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
4041 trailing space from -gsplit-dwarf diagnostics.
4043 PR tree-optimization/89998
4044 * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
4045 instead of integer_type_node if possible, don't add ranges if return
4046 type is not compatible with int.
4047 * gimple-fold.c (gimple_fold_builtin_sprintf,
4048 gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
4051 2019-04-09 Martin Liska <mliska@suse.cz>
4053 * Makefile.in: Use GENERATOR_CFLAGS for all generators.
4054 * doc/install.texi: Document the new config.
4056 2019-04-09 Richard Sandiford <richard.sandiford@arm.com>
4058 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
4059 use gimple_expr_type for load and store calls. Skip over the
4060 condition argument in a conditional internal function.
4061 Protect use of TREE_INT_CST_LOW.
4063 2019-04-09 Jakub Jelinek <jakub@redhat.com>
4066 * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
4067 (riscv_merge_decl_attributes): Fix typo in diagnostics. Remove
4068 trailing period from it too.
4070 2019-04-08 wu yuan <wuyuan5@huawei.com>
4072 * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
4073 * config/aarch64/aarch64.md : Add "tsv110.md"
4074 * config/aarch64/tsv110.md: New file.
4076 2019-04-08 Richard Biener <rguenther@suse.de>
4078 PR tree-optimization/90006
4079 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
4082 2019-04-08 Andrea Corallo <andrea.corallo@arm.com>
4085 * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
4087 (fma_root_node): Likewise.
4088 (func_fma_steering): Likewise.
4090 2019-04-08 Jakub Jelinek <jakub@redhat.com>
4092 PR rtl-optimization/89865
4093 * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
4095 PR rtl-optimization/89865
4096 * config/i386/i386.md
4097 (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
4098 numbers not to clash with the additional operands[4].
4099 (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
4100 with extra register copy in the middle.
4102 2019-04-08 Martin Liska <mliska@suse.cz>
4104 PR gcov-profile/89961
4105 * doc/gcov.texi: Document data_file.
4106 * gcov.c (generate_results): Add data_info into JSON output.
4108 2019-04-01 Bin Cheng <bin.cheng@linux.alibaba.com>
4110 PR tree-optimization/89725
4111 * tree-chrec.c (chrec_contains_symbols): New parameter. Handle outer
4112 loop's chrec as invariant symbol.
4113 * tree-chrec.h (chrec_contains_symbols): New parameter.
4114 * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
4115 (build_classic_dist_vector_1, add_other_self_distances): Bypass access
4116 function of loops not in DDR's loop_nest.
4117 * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
4119 2019-04-08 Chenghua Xu <paul.hua.gm@gmail.com>
4122 * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
4125 2019-04-07 Uroš Bizjak <ubizjak@gmail.com>
4128 * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4129 Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
4131 2019-04-05 Joern Rennecke <joern.rennecke@embecosm.com>
4133 * sched-deps.c (sched_macro_fuse_insns): Check return value of
4134 targetm.fixed_condition_code_regs.
4136 2019-04-05 Richard Biener <rguenther@suse.de>
4140 * tree-cfgcleanup.c (remove_forwarder_block): Always move
4141 debug bind stmts but reset them if they are not valid at the
4144 2019-04-05 Martin Liska <mliska@suse.cz>
4146 PR translation/89936
4147 * collect-utils.c (collect_execute): Use %< and %>, or %qs in
4148 order to wrap keywords or arguments.
4149 * collect2.c (main): Likewise.
4150 (scan_prog_file): Likewise.
4151 (scan_libraries): Likewise.
4152 * common/config/riscv/riscv-common.c
4153 (riscv_subset_list::parsing_subset_version): Likewise.
4154 (riscv_subset_list::parse_std_ext): Likewise.
4155 * config/aarch64/aarch64.c (aarch64_override_options_internal):
4157 * config/arm/arm.c (arm_option_override): Likewise.
4158 * config/cris/cris.c (cris_print_operand): Likewise.
4159 * config/darwin-c.c (darwin_pragma_options): Likewise.
4160 (darwin_pragma_unused): Likewise.
4161 (darwin_pragma_ms_struct): Likewise.
4162 * config/ft32/ft32.c (ft32_print_operand): Likewise.
4163 * config/i386/i386.c (print_reg): Likewise.
4164 (ix86_print_operand): Likewise.
4165 * config/i386/xm-djgpp.h: Likewise.
4166 * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
4167 * config/m32c/m32c.c (m32c_option_override): Likewise.
4168 * config/msp430/msp430.c (msp430_option_override): Likewise.
4169 * config/nds32/nds32.c (nds32_option_override): Likewise.
4170 * config/nvptx/mkoffload.c (main): Likewise.
4171 * config/rx/rx.c (rx_print_operand): Likewise.
4172 (valid_psw_flag): Likewise.
4173 * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
4174 (vms_pragma_nomember_alignment): Likewise.
4175 (vms_pragma_extern_model): Likewise.
4176 * lto-wrapper.c (compile_offload_image): Likewise.
4177 * omp-offload.c (oacc_parse_default_dims): Likewise.
4178 * symtab.c (symtab_node::verify_base): Likewise.
4179 * tlink.c (recompile_files): Likewise.
4180 (start_tweaking): Likewise.
4181 * tree-profile.c (parse_profile_filter): Likewise.
4183 2019-04-05 Richard Sandiford <richard.sandiford@arm.com>
4185 PR tree-optimization/89956
4186 * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4187 multiple negates of the same value.
4189 2019-04-04 Martin Sebor <msebor@redhat.com>
4193 * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4194 have the same precision since the function crashes otherwise.
4195 * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4196 has non-zero arguments.
4198 2019-04-04 Martin Sebor <msebor@redhat.com>
4201 * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4202 out if the number of arguments is less than expected.
4204 2019-04-04 Jeff Law <law@redhat.com>
4206 PR rtl-optimization/89399
4207 * ree.c (combine_set_extension): Use single_set rather than
4208 digging into PATTERN for items on the candidate list.
4209 (combine_reaching_defs): Likewise.
4211 2019-04-04 Richard Sandiford <richard.sandiford@arm.com>
4213 PR rtl-optimization/46590
4214 * loop-invariant.c (find_defs): Move df_remove_problem and
4215 df_process_deferred_rescans to move_invariants.
4216 Move df_live_add_problem and df_live_set_all_dirty calls
4218 (move_invariants): Likewise.
4219 (move_loop_invariants): Likewise, making the df_live calls
4220 conditional on -O. Remove the problem again if we added it
4223 2019-04-03 qing zhao <qing.zhao@oracle.com>
4225 PR tree-optimization/89730
4226 * ipa-inline.c (can_inline_edge_p): Delete the checking for
4227 -flive-patching=inline-only-static.
4228 (can_inline_edge_by_limits_p): Add the checking for
4229 -flive-patching=inline-only-static and grant always_inline
4230 even when -flive-patching=inline-only-static is specified.
4232 2019-04-03 Jeff Law <law@redhat.com>
4234 PR rtl-optimization/81025
4235 * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4237 2019-04-03 Richard Biener <rguenther@suse.de>
4239 PR tree-optimization/84101
4240 * tree-vect-stmts.c: Include explow.h for hard_function_value,
4241 regs.h for hard_regno_nregs.
4242 (cfun_returns): New helper.
4243 (vect_model_store_cost): When vectorizing a store to a decl
4244 we return and the function ABI returns in a multi-reg location
4245 account for the possible spilling that will happen.
4247 2019-04-03 Andreas Krebbel <krebbel@linux.ibm.com>
4249 * config/s390/s390.c (s390_legitimate_address_p): Reject long
4250 displacement addresses for vector mode operands.
4252 2019-04-03 Claudiu Zissulescu <claziss@synopsys.com>
4254 * config/arc/arc.c (GMASK_LEN): Define.
4255 (arc_restore_callee_saves): Restore first blink when
4258 2019-04-03 Sudakshina Das <sudi.das@arm.com>
4260 * doc/extend.texi: Add deprecated comment on sign-return-address
4261 function attribute and add mbranch-protection.
4262 * doc/invoke.texi: Add bti to the options for mbranch-protection.
4264 2019-04-03 Richard Biener <rguenther@suse.de>
4267 * lto-wrapper.c (run_gcc): Avoid implicit rules making
4268 the all target phony.
4270 2019-04-02 Uroš Bizjak <ubizjak@gmail.com>
4274 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4275 Return false for variable DImode shifts.
4276 (dimode_scalar_chain::compute_convert_gain): Do not handle
4277 register count operand in variable DImode shifts.
4278 (dimode_scalar_chain::make_vector_copies): Remove support to copy
4279 count argument of a variable shift instruction to a vector register.
4280 (dimode_scalar_chain::convert_reg): Remove support to convert
4281 count argument of a variable shift instruction.
4283 2019-04-02 Andrey Belevantsev <abel@ispras.ru>
4285 PR rtl-optimization/84206
4286 * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4287 iterating over loop headers.
4289 2019-04-02 Andrey Belevantsev <abel@ispras.ru>
4291 PR rtl-optimization/85876
4292 * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4293 beyond the original fence.
4295 2019-04-02 Ulrich Weigand <uweigand@de.ibm.com>
4297 * config.gcc: Mark spu* targets as deprecated/obsolete.
4299 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4301 * config/s390/s390-builtin-types.def: New builtin function type
4302 definitions. Remove unused types.
4303 * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4304 (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4305 (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4306 overloaded builtins.
4307 (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4308 (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4309 * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4310 (vec_double, vec_signed, vec_unsigned): Define to use the new
4311 overloaded builtins.
4312 * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4315 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4317 * config/s390/s390-builtin-types.def: New builtin function type
4319 * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4320 (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4321 (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4322 (s390_vstrszh, s390_vstrszf): New low-level builtins.
4323 * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4324 constant definitions.
4325 * config/s390/vecintrin.h (vec_search_string_cc)
4326 (vec_search_string_until_zero_cc): New builtin name definitions.
4327 * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4329 ("vec_vstrs<mode>"): New insn definition.
4331 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4333 * config/s390/s390-builtin-types.def: Add new builtin function
4335 * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4336 New overloaded builtins.
4337 (s390_vec_sldb, s390_vec_srdb): New low-level builtins. and
4339 * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4340 (UNSPEC_VEC_SLDBYTE): ... this.
4341 (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4342 * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4344 * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4345 Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4346 ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4348 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4350 ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4351 New insn definition.
4352 * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4353 * config/s390/vector.md (V_HW_HSD): ... here.
4355 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4357 * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4358 * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4359 ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4360 ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4361 New insn definitions.
4363 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4365 * config/s390/s390-builtin-types.def: Add new builtin function type.
4366 * config/s390/s390-builtins.def: Add overloaded builtin
4367 s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4368 * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4369 * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4370 * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4371 ("eltswap<mode>"): New expander.
4372 ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4375 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4377 * config/s390/s390-builtin-types.def: Add new builtin function types.
4378 * config/s390/s390-builtins.def: Add overloaded builtin
4379 s390_vec_revb. Add low-level builtins for vlbr and vstbr
4381 * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4382 * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4383 ("bswap<mode>"): New expander.
4384 ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4386 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4388 * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4389 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4390 vector builtin version number in __VEC__.
4392 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4394 * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4396 (SFSI): New mode attribute.
4397 ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4398 ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4400 ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4401 ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4402 ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4403 ("floatsi<mode>2"): Add wcefb instruction.
4405 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4407 * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4408 * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4410 ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4411 ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4412 support 32 bit fp-int conversions. Rename to ...
4413 ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4414 ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4415 ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4416 ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4419 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4421 * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4422 if-then-else constructs if we can use the select instruction.
4423 * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4425 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4427 * config/s390/s390.md ("*popcountdi_arch13_cc")
4428 ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4430 ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4431 Append _z196 to make it ...
4432 ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4433 ("popcounthi2_z196"): ... this.
4434 ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4435 ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4437 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4439 * config/s390/s390.c (s390_canonicalize_comparison): Convert
4440 certain compares for arch13 in order to make use of the condition
4441 code result produced by the new instructions.
4442 (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4443 nxrk, and nxgrk instruction patterns.
4444 * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4445 (inv_no): Add new code iterator together with some attributes.
4446 ("*andc_split_<mode>"): Disable splitter for arch13.
4447 ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4448 ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4449 ("*<ANDOR:bitops_name>c<GPR:mode>")
4450 ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4451 ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4452 ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4453 ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4455 2019-04-02 Andreas Krebbel <krebbel@linux.ibm.com>
4457 * common/config/s390/s390-common.c (processor_flags_table): New
4459 * config.gcc: Support arch13 with the --with-arch= configure flag.
4460 * config/s390/driver-native.c (s390_host_detect_local_cpu):
4461 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4462 * config/s390/s390.c (s390_get_sched_attrmask)
4463 (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4464 * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4465 * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4466 (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4467 (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4469 * config/s390/s390.opt: Support arch13 as processor type in
4470 command line options.
4472 2019-04-02 Martin Liska <mliska@suse.cz>
4474 PR translation/89912
4475 * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4476 Fix param description of graphite-max-arrays-per-scop.
4478 2019-04-02 Eric Botcazou <ebotcazou@adacore.com>
4480 * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4481 (ASAN_CC1_SPEC): Use it in 64-bit mode.
4482 * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4484 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
4486 PR rtl-optimization/85412
4487 * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4488 sel_sched_region_1, not after.
4490 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
4492 PR rtl-optimization/86928
4493 * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4494 compute_live if necessary.
4495 (sel_redirect_edge_and_branch): Likewise.
4497 2019-04-01 Vladimir Makarov <vmakarov@redhat.com>
4499 PR rtl-optimization/89865
4500 * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4501 register if it is a part of small class.
4503 2019-04-01 Andrey Belevantsev <abel@ispras.ru>
4505 PR rtl-optimization/87273
4506 * sel-sched-ir.c (merge_fences): Remove assert.
4508 2019-04-01 Richard Biener <rguenther@suse.de>
4510 PR tree-optimization/46590
4511 * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4512 (dom_walker::m_reachability): Add in place of...
4513 (dom_walker::m_skip_unreachable_blocks): ...this.
4514 * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4515 Move complex initialization ...
4516 (dom_walker::walk): Here. Especially compute m_bb_to_rpo
4517 lazily and initialize edge flags on each invocation.
4518 (dom_walker::bb_reachable): Use m_reachability.
4520 2019-04-01 Martin Liska <mliska@suse.cz>
4523 * opt-suggestions.c (option_proposer::build_option_suggestions):
4524 Add variant without any argument in order to provide better
4527 2019-04-01 Richard Biener <rguenther@suse.de>
4530 * gimple.c: Include langhooks.h.
4531 (gimple_get_alias_set): Treat enumeral types as the underlying
4534 2019-03-29 Kugan Vivekanandarajah <kuganv@linaro.org>
4535 Eric Botcazou <ebotcazou@adacore.com>
4537 PR rtl-optimization/89862
4538 * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4539 that operates on the full registers for WORD_REGISTER_OPERATIONS
4542 2019-03-29 Jim Wilson <jimw@sifive.com>
4544 * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4545 Clear MASK_RVC and then set if C subset supported.
4547 2019-03-29 Jakub Jelinek <jakub@redhat.com>
4550 * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4551 non-addressable complit into its initializer if it is volatile.
4553 2019-03-29 Roman Zhuykov <zhroma@ispras.ru>
4555 * opts-common.c (integral_argument): Set errno properly in one case.
4557 2019-03-29 Martin Liska <mliska@suse.cz>
4559 * doc/invoke.texi: Remove -Wchkp from documentation.
4561 2019-03-29 Martin Liska <mliska@suse.cz>
4563 * dbgcnt.c (print_limit_reach): New function.
4566 2019-03-29 Martin Liska <mliska@suse.cz>
4568 * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4569 (dbg_cnt_process_opt): Parse first tokens aas
4570 dbg_cnt_process_single_pair is also using strtok.
4572 2019-03-29 Jakub Jelinek <jakub@redhat.com>
4574 PR rtl-optimization/87485
4575 * function.c (expand_function_end): Move stack_protect_epilogue
4576 before loading of return value into hard register(s).
4578 2019-03-28 Jakub Jelinek <jakub@redhat.com>
4581 * tree-inline.h (struct copy_body_data): Add
4582 dont_remap_vla_if_no_change flag.
4583 * tree-inline.c (remap_type_3, remap_type_2): New functions.
4584 (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4585 and remap_type_2 returns false.
4586 * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4587 Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4588 only from where it is copied to nested contexts.
4590 2019-03-28 Uroš Bizjak <ubizjak@gmail.com>
4593 * config/i386/i386.md (RMW operation with LEA peephole):
4594 Use LEAMODE mode attribute instead of SWI mode iterator for
4597 2019-03-28 Uroš Bizjak <ubizjak@gmail.com>
4600 * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4601 Also process XEXP (src, 0) of a shift insn.
4603 2019-03-28 David Malcolm <dmalcolm@redhat.com>
4606 * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4607 Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4609 2019-03-28 Jakub Jelinek <jakub@redhat.com>
4611 * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4613 (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4614 (pass_cprop_hardreg::execute): Use those. Don't repeat bb processing
4615 immediately after first one with df_analyze in between, but rather
4616 process all bbs, queueing ones that need second pass in a worklist,
4617 df_analyze, process queued debug insn changes and if second pass is
4618 needed, process bbs from worklist, df_analyze, process queued debug
4621 * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4622 or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4623 (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4625 2019-03-28 Jonathan Wakely <jwakely@redhat.com>
4628 * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4631 2019-03-27 Mateusz B <mateuszb@poczta.onet.pl>
4634 * config/i386/i386.c (ix86_function_value_1): Call the newly added
4635 function for 32-bit MS_ABI.
4636 (function_value_ms_32): New function.
4638 2019-03-27 Andrew Stubbs <ams@codesourcery.com>
4640 * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4641 (movdi): Call gen_movdi_symbol_save_scc.
4642 (gen_movdi_symbol_save_scc): New insn and split.
4644 2019-03-27 Peter Bergner <bergner@linux.ibm.com>
4646 PR rtl-optimization/89313
4647 * function.c (matching_constraint_num): New static function.
4648 (match_asm_constraints_1): Use it. Fixup white space and comment.
4649 Don't replace inputs with non-matching constraints which conflict
4650 with early clobber outputs.
4652 2019-03-27 Jeff Law <law@redhat.com>
4655 PR rtl-optimization/87761
4656 PR rtl-optimization/89826
4657 * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4659 (pass_cprop_hardreg::execute): Call df_analyze after adding the
4660 note problem to get REG_DEAD/REG_UNUSED notes updated.
4662 2019-03-27 Richard Biener <rguenther@suse.de>
4664 PR tree-optimization/89463
4665 * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4666 queue edges to remove.
4667 (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4668 dead stmts. Delay edge removal until PHIs are removed to
4669 make debug-stmt creation not confused by seemingly degenerate
4672 2019-03-27 Alan Modra <amodra@gmail.com>
4674 * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4676 * config/rs6000/darwin.h: Likewise.
4677 * config/rs6000/rs6000.c: Likewise.
4679 2019-03-27 Alan Modra <amodra@gmail.com>
4681 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4682 assign rs6000_hard_regno_mode_ok_p[m][r]. Formatting.
4684 2019-03-26 Andrew Waterman <andrew@sifive.com>
4685 Jim Wilson <jimw@sifive.com>
4687 * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4688 (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4689 (generic_idivdi, generic_fmul_single, generic_fmul_double)
4690 (generic_fdiv, generic_fsqrt): Add check for generic tune.
4691 (generic_alu): Add auipc to type list.
4692 * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4693 (riscv_microarchitecture): Declare.
4694 * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4695 * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4697 (riscv_microarchitecture): New.
4698 (sifive_7_tune_info): New.
4699 (riscv_cpu_info_table): Add microarchitecture value for rocket and
4700 size. Add sifive-3-series, sifive-5-series, and sifive-7-series
4702 (riscv_store_data_bypass_p): New.
4703 (riscv_option_override): Set riscv_microarchitecture from
4704 cpu->microarchitecture.
4705 * config/riscv/riscv.md: Include sifive-7.md.
4708 (auipc<mode>): Change type to auipc.
4709 (restore_stack_nonlocal): New.
4710 * config/riscv/sifive-7.md: New.
4711 * doc/invoke.texi (RISC-V Options): Update mtune docs.
4713 2019-03-26 Uroš Bizjak <ubizjak@gmail.com>
4716 * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4717 Also process XEXP (src, 0) of a shift insn.
4719 2019-03-26 Richard Biener <rguenther@suse.de>
4721 * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4722 (copy_debug_stmt): Likewise.
4723 (expand_call_inline): Likewise.
4724 (copy_bb): Avoid redundant lookup & set of gimple_block.
4725 * gimple-low.c (lower_gimple_return): Likewise.
4726 (lower_builtin_setjmp): Likewise.
4728 2019-03-26 Jakub Jelinek <jakub@redhat.com>
4730 * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4731 is constant 0, turn into static const data member initialized to false.
4732 (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4733 GATHER_STATISTICS. Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4735 2019-03-26 Jason Merrill <jason@redhat.com>
4736 Jakub Jelinek <jakub@redhat.com>
4738 * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4740 (mem_alloc_description::release_object_overhead): Fix comment typos.
4741 * hash-table.h (hash_table::~hash_table): Call
4742 release_instance_overhead only if m_entries is non-NULL, otherwise
4743 call unregister_descriptor.
4745 2019-03-26 Bin Cheng <bin.cheng@linux.alibaba.com>
4747 PR tree-optimization/81740
4748 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4749 In case of outer loop vectorization, check for backward dependence
4750 at the inner loop if outer loop dependence is reversed.
4752 2019-03-26 Alan Modra <amodra@gmail.com>
4754 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4755 rs6000_vector_mem init. Correct wI and wJ comment.
4757 2019-03-25 Alexander Monakov <amonakov@ispras.ru>
4759 PR rtl-optimization/88347
4760 PR rtl-optimization/88423
4761 * sched-deps.c (sched_analyze_insn): Take into account that for
4762 tablejumps the barrier appears after a label and a jump_table_data.
4764 2019-03-25 Martin Sebor <msebor@redhat.com>
4767 * c-common.c (check_user_alignment): Rename local. Correct maximum
4768 alignment in diagnostic. Avoid assuming argument fits in SHWI,
4769 convert it to UHWI when it fits.
4771 2019-03-25 Johan Karlsson <johan.karlsson@enea.com>
4774 * dwarf2out.c (premark_used_variables): New function.
4775 (prune_unused_types_walk): Do not mark not premarked external
4777 (prune_unused_types): Call premark_used_variables.
4779 2019-03-25 Vladimir Makarov <vmakarov@redhat.com>
4781 PR rtl-optimization/89676
4782 * lra-constraints.c (curr_insn_transform): Do match reload for
4783 early clobbers when the match was successful only for different
4786 2019-03-25 Martin Sebor <msebor@redhat.com>
4788 * doc/extend.texi (Common Type Attributes): Document vector_size.
4789 (Common Variable Attributes): Mention size constraint. Correct
4791 (Vector Extensions): Use @dfn when defining bas type. Clarify
4792 base type and size constraints.
4794 2019-03-25 Richard Biener <rguenther@suse.de>
4796 PR tree-optimization/89789
4797 * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4798 changes from non-undefined back to undefined.
4800 2019-03-25 Thomas Otto <thomas.otto@pdv-fs.de>
4802 * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4803 heap string and a gc string, but since this variable is unknown to
4804 ggc the gc string might get reused and corrupted. Fixed by always
4805 using a heap string.
4807 2019-03-25 Richard Biener <rguenther@suse.de>
4809 PR tree-optimization/89779
4810 * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4811 to remove IV defs, delay actual removal.
4812 (tree_ssa_iv_optimize_loop): Likewise. Avoid SCEV reset.
4813 (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4814 very end, properly also reset loop control IV information.
4816 2019-03-25 Richard Biener <rguenther@suse.de>
4818 PR tree-optimization/89802
4819 * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4820 move EH data to folded stmt.
4822 2019-03-25 Andreas Krebbel <krebbel@linux.ibm.com>
4824 * config/s390/s390-builtin-types.def: Remove few unused types and
4825 fix sort order for others.
4827 2019-03-25 Andreas Krebbel <krebbel@linux.ibm.com>
4829 * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4830 expected and found types with -mdebug during builtin matching.
4832 2019-03-25 Richard Biener <rguenther@suse.de>
4835 * fold-const.c (operand_equal_p): Revert last change with
4838 2019-03-24 Segher Boessenkool <segher@kernel.crashing.org>
4840 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4841 notes for the result of the __tls_get_addr calls.
4842 * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4844 2019-03-24 Jeff Law <law@redhat.com>
4846 * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4848 PR rtl-optimization/87761
4849 * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4850 not INSN. Also check RTX_FRAME_RELATED_P. Queue insns for DF rescan
4852 (pass_cprop_hardreg::execute): Add df note problem and defer insn
4853 rescans. Reprocess blocks as needed, calling df_analyze before
4854 reprocessing. Always call df_analyze before fixing up debug bind
4857 2019-03-23 Segher Boessenkool <segher@kernel.crashing.org>
4859 * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4862 2019-03-22 Andrew Pinski <apinski@marvell.com>
4864 * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4865 attrribute for uxtw.
4867 2019-03-26 Jeff Law <law@redhat.com>
4869 PR rtl-optimization/87761
4870 * config/mips/mips-protos.h (mips_split_move): Add new argument.
4871 (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4872 (mips_split_move): Accept new INSN argument. Try to forward SRC
4873 into the next instruction.
4874 (mips_split_move_insn): Pass INSN through to mips_split_move.
4876 2019-03-22 Vladimir Makarov <vmakarov@redhat.com>
4878 PR rtl-optimization/89676
4879 * lra-constraints.c (curr_insn_transform): Do match reload for
4880 early clobbers even if the match was successful.
4882 2019-03-22 Jakub Jelinek <jakub@redhat.com>
4885 * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4887 2019-03-22 Bill Schmidt <wschmidt@linux.ibm.com>
4889 * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4891 2019-03-22 Jakub Jelinek <jakub@redhat.com>
4893 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4894 <avx512>_fmsub_<mode>_mask3<round_name>,
4895 <avx512>_fnmadd_<mode>_mask3<round_name>,
4896 <avx512>_fnmsub_<mode>_mask3<round_name>,
4897 avx512f_vmfmadd_<mode>_mask3<round_name>,
4898 avx512f_vmfmsub_<mode>_mask3<round_name>,
4899 *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4900 instead of register_operand and %v instead of v for match_operand 1.
4901 (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4902 (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this. Use
4903 <round_nimm_predicate> instead of register_operand and %v instead of v
4904 for match_operand 1.
4906 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4907 <avx512>_fmadd_<mode>_mask3<round_name>,
4908 <avx512>_fmsub_<mode>_mask<round_name>,
4909 <avx512>_fmsub_<mode>_mask3<round_name>,
4910 <avx512>_fnmadd_<mode>_mask<round_name>,
4911 <avx512>_fnmadd_<mode>_mask3<round_name>,
4912 <avx512>_fnmsub_<mode>_mask<round_name>,
4913 <avx512>_fnmsub_<mode>_mask3<round_name>,
4914 <avx512>_fmaddsub_<mode>_mask<round_name>,
4915 <avx512>_fmaddsub_<mode>_mask3<round_name>,
4916 <avx512>_fmsubadd_<mode>_mask<round_name>,
4917 <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4918 <round_nimm_predicate> instead of nonimmediate_operand.
4919 (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4920 fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4921 Use register_operand instead of <round_nimm_predicate> for the
4922 operand that needs to match output.
4923 (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4924 *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4925 Likewise. Formatting fixes.
4928 * config/i386/i386.c (enum ix86_builtins): Remove
4929 IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4930 * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4931 __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4932 __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4933 __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4934 __builtin_ia32_vfmsubss3_mask3): New builtins.
4935 * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4936 avx512f_vmfmadd_<mode>_mask3<round_name>,
4937 avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4938 *avx512f_vmfmsub_<mode>_mask<round_name>,
4939 avx512f_vmfmsub_<mode>_mask3<round_name>,
4940 *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4941 *avx512f_vmfnmadd_<mode>_mask<round_name>,
4942 *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4943 *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4944 *avx512f_vmfnmsub_<mode>_mask<round_name>,
4945 avx512f_vmfnmsub_<mode>_mask3<round_name>,
4946 *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4947 (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4948 * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4949 _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4950 _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4951 _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4952 _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4953 _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4954 _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4955 _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4956 _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4957 _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4958 _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4959 _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4960 _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4961 _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4962 _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4963 _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4964 _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4965 _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4966 _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4967 _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4969 2019-03-21 Martin Sebor <msebor@redhat.com>
4971 PR tree-optimization/89350
4972 * builtins.c (compute_objsize): Also ignore offsets whose upper
4974 * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4975 (builtin_memref::builtin_memref): Initialize new member.
4976 Allow EXPR to be null.
4977 (builtin_memref::extend_offset_range): Replace local with a member.
4978 Avoid assuming pointer offsets are unsigned.
4979 (builtin_memref::set_base_and_offset): Determine base object
4980 before computing offset range.
4981 (builtin_access::builtin_access): Handle memset.
4982 (builtin_access::generic_overlap): Replace local with a member.
4983 (builtin_access::strcat_overlap): Same.
4984 (builtin_access::overlap): Same.
4985 (maybe_diag_overlap): Same.
4986 (maybe_diag_access_bounds): Same.
4987 (wrestrict_dom_walker::check_call): Handle memset.
4988 (check_bounds_or_overlap): Same.
4990 2019-03-21 Jan Hubicka <hubicka@ucw.cz>
4991 Jakub Jelinek <jakub@redhat.com>
4994 * tree.c (fld_type_variant, fld_incomplete_type_of,
4995 fld_process_array_type): Call fld->pset.add and don't call
4996 add_tree_to_fld_list if it returns true.
4997 (free_lang_data_in_type): Similarly with self-recursive call. Purge
4998 non-marked types from TYPE_NEXT_VARIANT list.
4999 (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5001 2019-03-21 Jakub Jelinek <jakub@redhat.com>
5003 * hash-table.h (hash_table): Add Lazy template parameter defaulted
5004 to false, if true, don't alloc_entries during construction, but defer
5005 it to the first method that needs m_entries allocated.
5006 (hash_table::hash_table, hash_table::~hash_table,
5007 hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
5008 hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
5009 hash_table::clear_slot, hash_table::traverse_noresize,
5010 hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
5011 * hash-set.h (hash_set): Add Lazy template parameter defaulted to
5013 (hash_set::contains): If Lazy is true, use find_slot_with_hash with
5014 NO_INSERT instead of find_with_hash.
5015 (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
5016 hash_set::m_table): Add Lazy to template params of hash_table.
5017 (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
5018 * attribs.c (test_attribute_exclusions): Likewise.
5019 * hash-set-tests.c (test_set_of_strings): Add iterator tests for
5020 hash_set. Add tests for hash_set with Lazy = true.
5022 2019-03-21 Richard Biener <rguenther@suse.de>
5024 PR tree-optimization/89779
5025 * tree.c (tree_nop_conversion): Consolidate and fix defensive
5026 checks with respect to released SSA names now having error_mark_node
5028 * fold-const.c (operand_equal_p): Likewise.
5030 2019-03-20 Andreas Krebbel <krebbel@linux.ibm.com>
5033 * config/s390/s390.c (global_not_special_regno_p): Move to make it
5035 (s390_optimize_register_info): Use global_not_special_regno_p to
5036 check for global regs.
5038 2019-03-20 Jakub Jelinek <jakub@redhat.com>
5041 * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
5042 update this_alternative nor this_alternative_set.
5044 2019-03-19 Jim Wilson <jimw@sifive.com>
5047 * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x. New locals
5048 align, size, offset. Use them to handle a BLKmode reference. Update
5050 (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
5052 2019-03-19 Jakub Jelinek <jakub@redhat.com>
5054 PR rtl-optimization/89768
5055 * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
5057 (unroll_loop_runtime_iterations): Likewise.
5059 2019-03-19 Martin Sebor <msebor@redhat.com>
5061 PR tree-optimization/89644
5062 * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
5063 rather than endptr as an indicator of nul-termination.
5065 PR tree-optimization/89644
5066 * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
5067 arrays in determining sequence sizes in strncpy and stpncpy.
5069 2019-03-19 Martin Liska <mliska@suse.cz>
5072 * predict.c (combine_predictions_for_bb): Empty likely_edges and
5073 unlikely_edges if there's an edge that belongs to both these sets.
5075 2018-03-19 Segher Boessenkool <segher@kernel.crashing.org>
5078 * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
5079 non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
5080 go via a stack temporary.
5082 2019-03-19 Jakub Jelinek <jakub@redhat.com>
5085 * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
5086 instead of gen_rtx_SUBREG.
5087 * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
5089 2019-03-19 Richard Biener <rguenther@suse.de>
5092 * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
5094 2019-03-19 Jan Hubicka <hubicka@ucw.cz>
5098 * tree.c (free_lang_data_in_decl): Do not free context of C++
5101 2019-03-19 Jakub Jelinek <jakub@redhat.com>
5104 * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
5105 subs for the first alternative except when operands[3] is 1.
5108 * gimplify.c (gimplify_asm_expr): For output argument with
5109 TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
5112 2019-03-19 Eric Botcazou <ebotcazou@adacore.com>
5114 PR rtl-optimization/89753
5115 * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5116 explicit unrolling factor even more robust.
5118 2019-03-19 Jakub Jelinek <jakub@redhat.com>
5121 * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
5122 compensation use x2 += 1 instead of x2 -= -1 and when honoring
5123 signed zeros, do another copysign after the compensation.
5125 2019-03-18 Martin Sebor <msebor@redhat.com>
5127 PR tree-optimization/89720
5128 * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
5129 more conservatively, the same as anti-range.
5131 2019-03-18 Richard Biener <rguenther@suse.de>
5134 * tree-ssanames.c (release_ssa_name_fn): For released SSA names
5135 use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
5136 basic-blocks that are removed. Remove restoring SSA_NAME_VAR.
5137 * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
5139 2019-03-18 Andrew Stubbs <ams@codesourcery.com>
5141 * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
5142 Extend queue to 1024 entries.
5143 Add "consumed" field.
5144 (gomp_print_output): Remove print_index parameter.
5145 Add final parameter.
5146 Change limit to unsigned.
5147 Use consumed field to implement circular buffer.
5148 Detect interrupted print in final pass.
5149 Flush output at the end.
5150 (run): Update gomp_print_output usage.
5151 (main): Initialize kernargs->output_data.consumed.
5153 2019-03-18 Richard Sandiford <richard.sandiford@arm.com>
5155 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
5156 calculation of the minimum number of scalar iterations for
5157 fully-predicated loops.
5159 2019-03-18 Martin Jambor <mjambor@suse.cz>
5161 PR tree-optimization/89546
5162 * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
5163 any propagation to its children took place.
5165 2019-03-18 Andrew Burgess <andrew.burgess@embecosm.com>
5168 * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
5169 parameter, and make use of it.
5170 (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
5172 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
5174 * config/arc/arc.opt (mcode-density-frame): Get the inital value
5175 from TARGET_CODE_DENSITY_FRAME_DEFAULT.
5176 * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5177 * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5178 * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
5179 match what the ops is doing.
5180 (push_multi_fp_blink): Likewise.
5181 * config/arc/arc.c (arc_override_options): Enable enter/leave when
5182 compiling for size and elf target.
5183 (arc_save_callee_enter): Adjust note to match what enter/leave
5186 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
5188 * config/arc/arc.md (tst_movb): Fix constraint.
5190 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
5192 * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5194 2019-03-18 Claudiu Zissulescu <claziss@synopsys.com>
5196 * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5197 * config/arc/arc.c (arc_conditional_register_usage): Remove all
5198 reg_alloc_order references.
5199 (size_alloc_order): Define.
5200 (arc_adjust_reg_alloc_order): New function.
5201 * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5203 (ADJUST_REG_ALLOC_ORDER): Define.
5204 (HONOR_REG_ALLOC_ORDER): Likewise.
5206 2019-03-18 Richard Biener <rguenther@suse.de>
5209 * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5210 loads and stores a bit more.
5212 2019-03-18 Richard Biener <rguenther@suse.de>
5215 * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5216 load pessimization to stores as well.
5218 2019-03-18 Andrey Belevantsev <abel@ispras.ru>
5221 * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5222 successor, use NULL as its av set.
5224 2019-03-15 Segher Boessenkool <segher@kernel.crashing.org>
5226 PR rtl-optimization/89721
5227 * lra-constraints (invariant_p): Return false if side_effects_p holds.
5229 2019-03-15 Kelvin Nilsen <kelvin@gcc.gnu.org>
5232 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5233 When handling vec_extract, use modular arithmetic to allow
5234 constant selectors greater than vector length.
5235 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5236 V1TImode vectors to have constant selector values greater than 0.
5237 Use modular arithmetic to compute vector index.
5238 (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5239 index for in-memory vectors. Correct code generation for
5240 in-register vectors.
5241 (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5244 2019-03-15 Alexandre Oliva <aoliva@redhat.com>
5248 * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5251 2019-03-15 Jakub Jelinek <jakub@redhat.com>
5254 * tree.c (inchash::add_expr): Strip any location wrappers.
5255 * fold-const.c (operand_equal_p): Move stripping of location wrapper
5256 after hash verification.
5259 * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5260 SIGN_EXTEND and ZERO_EXTEND.
5262 2019-03-14 Jason Merrill <jason@redhat.com>
5263 Jakub Jelinek <jakub@redhat.com>
5265 * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5266 than if is_empty (*slot).
5267 * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5268 existing elt and for elt removal.
5269 * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5270 of already removed elt.
5272 2019-03-15 H.J. Lu <hongjiu.lu@intel.com>
5275 * config/i386/i386.c (remove_partial_avx_dependency): Handle
5278 2019-03-14 Martin Liska <mliska@suse.cz>
5281 * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5283 2019-03-14 Richard Biener <rguenther@suse.de>
5286 * config/i386/i386.c (make_resolver_func): Properly set
5287 DECL_CONTEXT on the RESULT_DECL.
5288 * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5290 2019-03-14 Richard Biener <rguenther@suse.de>
5292 * gimple-pretty-print.c: Include cfgloop.h.
5293 (dump_gimple_phi): Adjust.
5294 (dump_gimple_bb_header): Dump loop header for GIMPLE.
5295 (pp_cfg_jump): Adjust.
5296 (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5297 * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5298 (lower_phi_internal_fn): Remove.
5299 (verify_gimple_call): Remove IFN_PHI special-casing.
5300 (dump_function_to_file): Dump IL state.
5301 * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5302 done to deal with PHI nodes being present in non-SSA state.
5304 2019-03-14 Jakub Jelinek <jakub@redhat.com>
5307 * multiple_target.c (create_dispatcher_calls): Change
5308 references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5309 In the node->iterate_referring loop, push *ref rather than ref, call
5310 ref->remove_reference () and always pass 0 to iterate_referring.
5312 PR rtl-optimization/89679
5313 * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5314 would contain a paradoxical SUBREG.
5316 2019-03-14 Richard Biener <rguenther@suse.de>
5318 PR tree-optimization/89710
5319 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5322 2019-03-14 Martin Liska <mliska@suse.cz>
5324 * coverage.c (coverage_begin_function): Stream also
5326 * doc/gcov.texi: Document 2 new fields in JSON file. Improve
5327 documentation about function declaration location.
5328 * gcov-dump.c (tag_function): Print whole range
5329 of function declaration.
5330 * gcov.c (struct function_info): Add end_column field.
5331 (function_info::function_info): Initialize it.
5332 (output_json_intermediate_file): Output {start,end}_column
5334 (read_graph_file): Read end_column.
5336 2019-03-14 Richard Biener <rguenther@suse.de>
5339 * fold-const.c (operand_equal_p): For INDIRECT_REF check
5340 that the access types are similar.
5342 2019-03-14 Jakub Jelinek <jakub@redhat.com>
5344 PR tree-optimization/89703
5345 * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5346 aren't compatible also with builtin_decl_explicit. Check pure
5347 or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5348 and BUILT_IN_STPNCPY{,_CHK}.
5350 2019-03-14 H.J. Lu <hongjiu.lu@intel.com>
5353 * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5354 addr32 prefix to VSIB address for X32.
5355 * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5357 (*avx512pf_gatherpf<mode>df_mask): Likewise.
5358 (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5359 (*avx512pf_scatterpf<mode>df_mask): Likewise.
5360 (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5361 (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5362 (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5363 (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5364 (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5365 (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5366 (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5367 (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5368 (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5369 (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5370 (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5371 (*avx512f_scatterdi<mode>): Likewise.
5373 2019-03-13 Vladimir Makarov <vmakarov@redhat.com>
5376 * lra-constraints.c (inherit_in_ebb): Update
5377 potential_reload_hard_regs along with live_hard_regs.
5379 2019-03-13 Jakub Jelinek <jakub@redhat.com>
5382 * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5384 (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5386 2019-03-13 Martin Sebor <msebor@redhat.com>
5388 PR tree-optimization/89662
5389 * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5392 2019-03-13 Richard Biener <rguenther@suse.de>
5395 * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5396 throw FP expressions at tree-affine.
5398 2019-03-14 Richard Biener <rguenther@suse.de>
5400 * tree-pretty-print.c (dump_generic_node): For -gimple properly
5401 dump negative integer constants using _Literal (type) -num.
5403 2019-03-13 Jakub Jelinek <jakub@redhat.com>
5405 * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5406 nonlocal_value member.
5409 * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5410 (ipa_simd_modify_function_body): Handle PHIs.
5412 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
5414 * config/s390/s390.c (s390_option_override_internal): Use more
5415 aggressive inlining parameters.
5417 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
5419 * config/s390/3906.md: New file.
5420 * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5421 (LONGRUNNING_THRESHOLD): Remove.
5422 (MAX_SCHED_MIX_SCORE): Decrease.
5423 (MAX_SCHED_MIX_DISTANCE): Decrease.
5424 (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5425 (struct s390_sched_state): New struct to hold scheduling state.
5426 (S390_SCHED_STATE_NORMAL): Remove.
5427 (S390_SCHED_STATE_CRACKED): Remove.
5428 (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5429 (s390_get_sched_attrmask): Use new attribute.
5430 (s390_get_unit_mask): Use new units.
5431 (s390_is_fpd): New function.
5432 (s390_is_fxd): New function.
5433 (s390_is_longrunning): New function.
5434 (s390_sched_score): Use new functions.
5435 (s390_sched_reorder): Likewise.
5436 (s390_sched_variable_issue): Rework and use new functions.
5437 (s390_sched_init): Use new functions.
5438 * config/s390/s390.h (s390_tune_attr): Add z14.
5439 * config/s390/s390.md: Add z14.
5441 2019-03-12 Robin Dapp <rdapp@linux.ibm.com>
5443 * config/s390/2964.md: Update pipeline description.
5444 * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5445 (LONGRUNNING_THRESHOLD): Remove.
5446 (LATENCY_FACTOR): Remove.
5447 (s390_get_unit_mask): Add unit.
5448 (s390_sched_score): Use fxd/fpd.
5449 (s390_sched_variable_issue): Use fxd/fpd.
5451 2019-03-12 Martin Liska <mliska@suse.cz>
5453 * config/i386/i386.c: Reword an error message.
5455 2019-03-12 Martin Jambor <mjambor@suse.cz>
5457 * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5458 terminate with newline.
5460 2019-03-12 Jakub Jelinek <jakub@redhat.com>
5463 * config/s390/s390.md (tabort): Use %wd instead of
5464 HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5465 letters and periods.
5466 * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5467 output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5471 * builtins.c (expand_builtin_int_roundingfn,
5472 expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5473 gcc_unreachable if validate_arglist fails.
5475 2019-03-12 Richard Biener <rguenther@suse.de>
5477 PR tree-optimization/89664
5478 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5479 free the occurance tree after the early out.
5481 2019-03-11 Jakub Jelinek <jakub@redhat.com>
5485 * vr-values.c (vr_values::update_value_range): If
5486 old_vr->varying_p (), don't update it, make new_vr also VARYING
5489 2019-03-11 Martin Liska <mliska@suse.cz>
5491 * config/aarch64/aarch64.c (aarch64_override_options_internal):
5492 Fix double string quoting.
5494 2019-03-11 Martin Liska <mliska@suse.cz>
5496 * collect-utils.c (collect_wait): Wrap apostrophes
5497 in gcc internal format with %'.
5498 * collect2.c (main): Likewise.
5499 (scan_prog_file): Likewise.
5500 (scan_libraries): Likewise.
5501 * config/i386/i386.c (ix86_expand_call): Likewise.
5502 (ix86_handle_interrupt_attribute): Likewise.
5503 * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5504 * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5505 * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5506 * lto-wrapper.c (find_crtoffloadtable): Likewise.
5507 * symtab.c (symtab_node::verify_base): Likewise.
5508 * tree-cfg.c (verify_gimple_label): Likewise.
5509 * tree.c (verify_type_variant): Likewise.
5511 2019-03-11 Martin Liska <mliska@suse.cz>
5513 * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5514 in a string format message and fix GNU coding style.
5515 (expand_builtin_set_thread_pointer): Likewise.
5516 * common/config/aarch64/aarch64-common.c
5517 (aarch64_rewrite_selected_cpu): Likewise.
5518 * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5519 * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5520 * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5521 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5522 * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5523 * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5524 * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5525 * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5526 * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5527 * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5529 * common/config/riscv/riscv-common.c
5530 (riscv_subset_list::parsing_subset_version): Likewise.
5531 (riscv_subset_list::parse_std_ext): Likewise.
5532 (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5533 (riscv_subset_list::parse): Likewise.
5534 * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5535 * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5536 (aarch64_override_options_internal): Likewise.
5537 (aarch64_validate_mcpu): Likewise.
5538 (aarch64_validate_march): Likewise.
5539 (aarch64_validate_mtune): Likewise.
5540 (aarch64_override_options): Likewise.
5541 * config/alpha/alpha.c (alpha_option_override): Likewise.
5542 * config/arc/arc.c (arc_init): Likewise.
5543 (parse_mrgf_banked_regs_option): Likewise.
5544 (arc_override_options): Likewise.
5545 (arc_expand_builtin_aligned): Likewise.
5546 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5547 (arm_expand_builtin): Likewise.
5548 * config/arm/arm.c (arm_option_check_internal): Likewise.
5549 (arm_configure_build_target): Likewise.
5550 (arm_option_override): Likewise.
5551 (arm_options_perform_arch_sanity_checks): Likewise.
5552 (arm_handle_cmse_nonsecure_entry): Likewise.
5553 (arm_handle_cmse_nonsecure_call): Likewise.
5554 (arm_tls_referenced_p): Likewise.
5555 (thumb1_expand_prologue): Likewise.
5556 * config/avr/avr.c (avr_option_override): Likewise.
5557 * config/bfin/bfin.c (bfin_option_override): Likewise.
5558 * config/c6x/c6x.c (c6x_option_override): Likewise.
5559 * config/cr16/cr16.c (cr16_override_options): Likewise.
5560 * config/cris/cris.c (cris_option_override): Likewise.
5561 * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5562 * config/darwin-c.c (macosx_version_as_macro): Likewise.
5563 * config/darwin.c (darwin_override_options): Likewise.
5564 * config/frv/frv.c (frv_expand_builtin): Likewise.
5565 * config/h8300/h8300.c (h8300_option_override): Likewise.
5566 * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5567 (ix86_option_override_internal): Likewise.
5568 (warn_once_call_ms2sysv_xlogues): Likewise.
5569 (ix86_expand_prologue): Likewise.
5570 (split_stack_prologue_scratch_regno): Likewise.
5571 (ix86_warn_parameter_passing_abi): Likewise.
5572 * config/ia64/ia64.c (fix_range): Likewise.
5573 * config/m68k/m68k.c (m68k_option_override): Likewise.
5574 * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5575 * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5576 (mips_set_compression_mode): Likewise.
5577 * config/mmix/mmix.c (mmix_option_override): Likewise.
5578 * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5579 * config/msp430/msp430.c (msp430_option_override): Likewise.
5580 * config/nds32/nds32.c (nds32_option_override): Likewise.
5581 * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5582 (nios2_option_override): Likewise.
5583 (nios2_expand_custom_builtin): Likewise.
5584 * config/nvptx/mkoffload.c (main): Likewise.
5585 * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5586 * config/pa/pa.c (fix_range): Likewise.
5587 (pa_option_override): Likewise.
5588 * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5589 (riscv_option_override): Likewise.
5590 * config/rl78/rl78.c (rl78_option_override): Likewise.
5591 * config/rs6000/aix61.h: Likewise.
5592 * config/rs6000/aix71.h: Likewise.
5593 * config/rs6000/aix72.h: Likewise.
5594 * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5595 * config/rs6000/freebsd64.h: Likewise.
5596 * config/rs6000/linux64.h: Likewise.
5597 * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5598 (rs6000_expand_zeroop_builtin): Likewise.
5599 (rs6000_expand_mtfsb_builtin): Likewise.
5600 (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5601 (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5602 (rs6000_invalid_builtin): Likewise.
5603 (rs6000_expand_split_stack_prologue): Likewise.
5604 * config/rs6000/rtems.h: Likewise.
5605 * config/rx/rx.c (valid_psw_flag): Likewise.
5606 (rx_expand_builtin): Likewise.
5607 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5608 * config/s390/s390.c (s390_expand_builtin): Likewise.
5609 (s390_function_profiler): Likewise.
5610 (s390_option_override_internal): Likewise.
5611 (s390_option_override): Likewise.
5612 * config/sh/sh.c (sh_option_override): Likewise.
5613 (sh_builtin_saveregs): Likewise.
5614 (sh_fix_range): Likewise.
5615 * config/sh/vxworks.h: Likewise.
5616 * config/sparc/sparc.c (sparc_option_override): Likewise.
5617 * config/spu/spu.c (spu_option_override): Likewise.
5618 (fix_range): Likewise.
5619 * config/visium/visium.c (visium_option_override): Likewise.
5620 (visium_handle_interrupt_attr): Likewise.
5621 * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5622 * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5623 (dbg_cnt_process_opt): Likewise.
5624 * dwarf2out.c (output_dwarf_version): Likewise.
5625 * except.c (expand_eh_return): Likewise.
5626 * gcc.c (defined): Likewise.
5627 (driver_handle_option): Likewise.
5628 (process_command): Likewise.
5629 (compare_files): Likewise.
5630 (driver::prepare_infiles): Likewise.
5631 (driver::do_spec_on_infiles): Likewise.
5632 (driver::maybe_run_linker): Likewise.
5633 * omp-offload.c (oacc_parse_default_dims): Likewise.
5634 * opts-global.c (handle_common_deferred_options): Likewise.
5635 * opts.c (parse_sanitizer_options): Likewise.
5636 (common_handle_option): Likewise.
5637 (enable_warning_as_error): Likewise.
5638 * passes.c (enable_disable_pass): Likewise.
5639 * plugin.c (parse_plugin_arg_opt): Likewise.
5640 (default_plugin_dir_name): Likewise.
5641 * targhooks.c (default_expand_builtin_saveregs): Likewise.
5642 (default_pch_valid_p): Likewise.
5643 * toplev.c (init_asm_output): Likewise.
5644 (process_options): Likewise.
5645 (toplev::run_self_tests): Likewise.
5646 * tree-cfg.c (verify_gimple_call): Likewise.
5647 * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5648 (tree_inlinable_function_p): Likewise.
5649 * var-tracking.c (vt_find_locations): Likewise.
5651 2019-03-11 Andreas Krebbel <krebbel@linux.ibm.com>
5653 * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5654 only on the else branch.
5656 2019-03-11 Martin Liska <mliska@suse.cz>
5658 * gcov.c (output_intermediate_json_line): Print function
5660 (output_json_intermediate_file): Add new argument.
5661 * doc/gcov.texi: Document the change.
5663 2019-03-11 Eric Botcazou <ebotcazou@adacore.com>
5665 PR rtl-optimization/89588
5666 * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5667 explicit unrolling factor more robust.
5669 2019-03-11 Richard Biener <rguenther@suse.de>
5671 PR tree-optimization/89649
5672 * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5673 * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5674 on the prolog and epilog loops.
5675 (vect_loop_versioning): Return copy of loop.
5676 * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5677 on the non-vectorized version of the loop.
5679 2019-03-10 Uroš Bizjak <ubizjak@gmail.com>
5682 * config/i386/sse.md (*vec_extractv2di_0_sse):
5683 Add (=r,x) alternative and corresponding splitter.
5685 2019-03-10 Martin Jambor <mjambor@suse.cz>
5687 PR tree-optimization/85762
5688 PR tree-optimization/87008
5689 PR tree-optimization/85459
5690 * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5691 it points to if there is a type changing MEM_REF. Adjust all callers.
5692 (build_accesses_from_assign): Disable total scalarization if
5693 contains_vce_or_bfcref_p returns true through the new parameter, for
5696 2019-03-09 Jakub Jelinek <jakub@redhat.com>
5699 * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5700 dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5703 * common.opt (fdiagnostics-show-labels,
5704 fdiagnostics-show-line-numbers, fdiagnostics-format=,
5705 fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5706 gas-locview-support, ginline-points, ginternal-reset-location-views):
5707 Terminate description text with a dot.
5708 * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5709 * config/mcore/mcore.opt (m210, m340): Likewise.
5710 * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5711 mnops=): Start description text with a capital letter.
5712 * config/arc/arc.opt (msize-level=): Likewise.
5713 * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5714 * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5716 * config/ft32/ft32.opt (msim): Likewise.
5717 (mft32b, mcompress): Likewise. Terminate description text with a dot.
5718 (mnodiv, mnopm): Terminate description text with a dot.
5719 * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5721 * config/i386/i386.opt (prefer_vector_width, instrument_return):
5723 * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5726 PR rtl-optimization/89634
5727 * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5728 are modified in BB_END (e->src) instruction.
5730 2019-03-08 David Malcolm <dmalcolm@redhat.com>
5733 * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5734 messages more amenable to translation, and improve wording.
5736 2019-03-08 Bill Schmidt <wschmidt@linux.ibm.com>
5738 * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5739 ud- and du-chains between phases.
5741 2019-03-08 Richard Sandiford <richard.sandiford@arm.com>
5744 * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5745 instead of POLY_INT_CST.
5747 2019-03-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
5749 * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5752 2019-03-08 Uroš Bizjak <ubizjak@gmail.com>
5757 * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5758 (_mm_storeu_si64): Ditto.
5760 2019-03-08 Martin Liska <mliska@suse.cz>
5763 * config/i386/i386.c (ix86_option_override_internal): Disable
5764 jump tables when retpolines are used.
5766 2019-03-08 Jan Hubicka <hubicka@ucw.cz>
5769 * ipa-split.c (execute_split_functions): Do not split
5770 'noinline' or 'section' function.
5772 2019-03-08 Jakub Jelinek <jakub@redhat.com>
5775 * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5776 HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5777 HOST_WIDE_INT_PRINT_DEC. Formatting fixes.
5780 * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5781 from diagnostics. Formatting fixes.
5784 * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5785 warn_odr diagnostics.
5788 * lra-constraints.c (process_alt_operands): Avoid one space before
5789 " at the end of line and another after " on another line in a string
5791 * attribs.c (handle_dll_attribute): Likewise.
5792 * config/avr/avr-devices.c (avr_texinfo): Likewise.
5794 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5795 warning_at or inform messages in G_() if there is no ?:.
5797 PR tree-optimization/89550
5798 * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5799 returned true. Formatting fixes.
5800 (expand_builtin_strnlen): Formatting fixes.
5801 * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5802 if warning_at returned true.
5803 * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5805 2019-03-08 Richard Biener <rguenther@suse.de>
5808 * cfgloop.h (struct loop): Add owned_clique field.
5809 * cfgloopmanip.c (copy_loop_info): Copy it.
5810 * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5812 * tree-inline.c (copy_loops): Remap owned_clique.
5813 * lto-streamer-in.c (input_cfg): Stream owned_clique.
5814 * lto-streamer-out.c (output_cfg): Likewise.
5816 2019-03-08 Jakub Jelinek <jakub@redhat.com>
5819 * config/darwin.c: Include intl.h.
5820 (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5821 composing the message out of two separate parts.
5823 2019-03-07 Jakub Jelinek <jakub@redhat.com>
5826 * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5827 doesn't start with a capital letter and doesn't end with a dot.
5828 (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5829 with a capital letter.
5830 (ix86_mangle_function_version_assembler_name): Likewise.
5831 (ix86_generate_version_dispatcher_body): Likewise.
5832 (fold_builtin_cpu): Likewise.
5833 (get_builtin_code_for_version): Likewise. Remove extraneous space.
5834 (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5835 translators, wrap full type name in %qs.
5837 PR translation/79999
5838 * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5839 depend clause with source (or sink) modifier.
5840 * omp-expand.c (expand_omp_ordered_sink): Likewise.
5843 * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5844 *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5845 (avx512f_load<mode>_mask): New define_expand.
5846 * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5847 __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5848 __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5849 __builtin_ia32_movess_mask): New builtins.
5850 * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5851 _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5852 _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5853 _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5855 2019-03-07 Martin Jambor <mjambor@suse.cz>
5858 * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5859 for extern inline functions.
5861 2019-03-07 Martin Jambor <mjambor@suse.cz>
5864 * cgraph.h (cgraph_node): New inline method former_thunk_p.
5865 * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5866 (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5867 have multiple callees. At the end check if declarations match as
5868 opposed to cgraph_nodes.
5870 2019-03-07 Martin Liska <mliska@suse.cz>
5872 * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5873 which is equivalent to searching for this in clones chain.
5874 * symtab.c (symtab_node::verify_base): Similarly compare ASM
5875 names with a neighbour and special case first node in a chain.
5877 2019-01-25 Jason Merrill <jason@redhat.com>
5879 PR c++/80916 - spurious "static but not defined" warning.
5880 * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5881 for an internal symbol with DECL_EXTERNAL.
5883 2019-04-07 Richard Biener <rguenther@suse.de>
5886 * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5887 * tree-inline.c (copy_loops): Simplify.
5889 2019-03-07 Martin Liska <mliska@suse.cz>
5891 * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5893 2019-03-07 Richard Biener <rguenther@suse.de>
5895 PR tree-optimization/89595
5896 * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5897 stmt iterator as reference, take boolean output parameter to
5898 indicate whether the stmt was removed and thus the iterator
5900 (dom_opt_dom_walker::before_dom_children): Re-iterate over
5901 stmts created by folding.
5903 2019-03-07 Jakub Jelinek <jakub@redhat.com>
5906 * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5909 2019-03-06 Peter Bergner <bergner@linux.ibm.com>
5911 PR rtl-optimization/88845
5912 * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5914 * lra.c (remove_scratches_1): New function.
5915 (remove_scratches): Use it.
5916 (lra_emit_move): Likewise.
5918 2019-03-06 Claudiu Zissulescu <claziss@synopsys.com>
5920 * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5921 unaligned_access variable.
5922 * config/arc/arc.c (arc_override_options): Set unaligned access
5923 default on for HS CPUs.
5924 * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5926 2019-03-06 Martin Liska <mliska@suse.cz>
5928 PR gcov-profile/89577
5929 * doc/gcov.texi: Prefer to use --coverage.
5930 * doc/sourcebuild.texi: Likewise.
5932 2019-03-02 Jason Merrill <jason@redhat.com>
5934 PR c++/86485 - -Wmaybe-unused with empty class ?:
5935 * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5937 2019-03-05 Jakub Jelinek <jakub@redhat.com>
5940 * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5944 * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5945 exactly one argument.
5947 2019-03-05 Jakub Jelinek <jakub@redhat.com>
5948 Richard Sandiford <richard.sandiford@arm.com>
5950 PR tree-optimization/89570
5951 * match.pd (vec_cond into cond_op simplification): Don't use
5952 get_conditional_internal_fn, use as_internal_fn (cond_op).
5954 2019-03-05 Wilco Dijkstra <wdijkstr@arm.com>
5957 * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5958 to decide when to split off a non-zero offset from a symbol.
5959 * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5960 in function symbols.
5962 2019-03-05 Richard Biener <rguenther@suse.de>
5964 PR tree-optimization/89594
5965 * tree-if-conv.c (pass_if_conversion::execute): Handle
5966 case where .LOOP_VECTORIZED_FUNCTION was removed.
5968 2019-03-05 Jakub Jelinek <jakub@redhat.com>
5971 * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5972 instead alloca it only when needed with the needed size.
5974 PR tree-optimization/89570
5975 * match.pd (vec_cond into cond_op simplification): Guard with
5976 vectorized_internal_fn_supported_p test and #if GIMPLE.
5978 PR tree-optimization/89566
5979 * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5980 Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5981 Punt if get_user_idx_format succeeds, but idx_format argument is
5982 not provided or doesn't have pointer type, or if idx_args is above
5983 number of provided arguments.
5985 2019-03-04 Wilco Dijkstra <wdijkstr@arm.com>
5987 PR tree-optimization/89437
5988 * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5990 2019-03-04 Richard Biener <rguenther@suse.de>
5993 * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5996 2019-03-04 Bin Cheng <bin.cheng@linux.alibaba.com>
5998 PR tree-optimization/89487
5999 * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6000 (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6001 (distribute_loop): Don't do runtime alias check if there is non-
6002 addressable data reference.
6003 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6004 is a register variable.
6006 2019-03-02 Jakub Jelinek <jakub@redhat.com>
6009 * config/arm/arm.md (cmpsi2_addneg): Use
6010 trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
6011 If operands[2] is 0 or INT_MIN, force use of subs.
6012 (*compare_scc splitter): Use gen_int_mode.
6013 (*negscc): Likewise.
6014 * config/arm/thumb2.md (*thumb2_negscc): Likewise.
6016 2019-03-01 Kito Cheng <kito.cheng@gmail.com>
6017 Monk Chiang <sh.chiang04@gmail.com>
6019 * common/config/riscv/riscv-common.c: Include sstream.
6020 (riscv_subset_list::to_string): New.
6021 (riscv_arch_str): Likewise.
6022 * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
6024 * config/riscv/riscv-protos.h (riscv_arch_str): New.
6025 * config/riscv/riscv.c (INCLUDE_STRING): Defined.
6026 (riscv_emit_attribute): New.
6027 (riscv_file_start): Emit attribute if needed.
6028 (riscv_option_override): Init riscv_emit_attribute_p.
6029 * config/riscv/riscv.opt (mriscv-attribute): New option.
6030 * configure.ac (riscv*-*-*): Check binutils is supporting ELF
6032 * doc/install.texi: Document --with-riscv-attribute.
6033 * doc/invoke.texi: Document -mriscv-attribute.
6035 * common/config/riscv/riscv-common.c:
6036 Include config/riscv/riscv-protos.h.
6037 (INCLUDE_STRING): Defined.
6038 (RISCV_DONT_CARE_VERSION): Defined.
6039 (riscv_subset_t): Declare.
6040 (riscv_subset_t::riscv_subset_t): New.
6041 (riscv_subset_list): Declare.
6042 (riscv_subset_list::riscv_subset_list): New.
6043 (riscv_subset_list::~riscv_subset_list): Likewise.
6044 (riscv_subset_list::parsing_subset_version): Likewise.
6045 (riscv_subset_list::parse_std_ext): Likewise.
6046 (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6047 (riscv_subset_list::add): Likewise.
6048 (riscv_subset_list::lookup): Likewise.
6049 (riscv_subset_list::xlen): Likewise.
6050 (riscv_subset_list::parse): Likewise.
6051 (riscv_supported_std_ext): Likewise.
6052 (current_subset_list): Likewise.
6053 (riscv_parse_arch_string): Using riscv_subset_list::parse to
6056 2019-03-01 Segher Boessenkool <segher@kernel.crashing.org>
6058 * config/rs6000/rs6000.c (rs6000_option_override_internal): If
6059 rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
6060 * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
6062 2019-03-01 Alexander Monakov <amonakov@ispras.ru>
6064 PR rtl-optimization/85899
6065 * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
6066 fallthru edges leading to the exit block.
6068 2019-03-01 Tamar Christina <tamar.christina@arm.com>
6071 * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
6072 rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
6074 2019-03-01 Richard Sandiford <richard.sandiford@arm.com>
6076 PR tree-optimization/89535
6077 * tree-vect-stmts.c (vectorizable_call): Record the vector types
6078 for each operand. Calculate the fallback choice for mask operands
6079 and pass it to vect_get_vec_def_for_operand.
6081 2019-03-01 Richard Biener <rguenther@suse.de>
6084 * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
6085 get virtual operands.
6086 (get_expr_operands): Handle CONST_DECL like other decls.
6088 2019-03-01 Jakub Jelinek <jakub@redhat.com>
6091 * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
6092 on DECL_P and EXPR_P.
6094 2019-03-01 Richard Biener <rguenther@suse.de>
6097 * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
6098 argument, defaulted to zero.
6099 * passes.c (execute_function_todo): Pass down SSA update flags
6100 to cleanup_tree_cfg.
6101 * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
6102 (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
6104 (cleanup_tree_cfg): Get and pass down SSA update flags.
6106 2019-03-01 Jakub Jelinek <jakub@redhat.com>
6109 * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
6110 early_lto_debug argument.
6112 2019-02-28 Eric Botcazou <ebotcazou@adacore.com>
6114 PR tree-optimization/89536
6115 * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
6116 only whether bit #0 of the value is 0 instead of the entire value.
6118 2019-02-28 Marek Polacek <polacek@redhat.com>
6120 PR c++/87068 - missing diagnostic with fallthrough statement.
6121 * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
6122 at the end of a seq, save its location to walk_stmt_info.
6123 (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
6126 2019-02-28 Jan Hubicka <hubicka@ucw.cz>
6129 * tree.c (find_atomic_core_type): Move ahead in file.
6130 (check_base_type): Correctly compare alignments of atomic types.
6132 2019-02-28 H.J. Lu <hongjiu.lu@intel.com>
6135 * config/i386/i386.c (get_builtin_code_for_version): Identify
6136 Westmere from PCLMUL, instead of AES.
6138 2019-02-28 Jakub Jelinek <jakub@redhat.com>
6141 * config/arm/arm.md (*subsi3_carryin_compare_const): Use
6142 trunc_int_for_mode (-INTVAL (...), SImode), just instead of
6145 2019-02-28 Tamar Christina <tamar.christina@arm.com>
6148 * config/aarch64/aarch64-option-extensions.def: Document it.
6149 * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
6152 2019-02-28 Jakub Jelinek <jakub@redhat.com>
6155 * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
6156 builtins if they don't have a single scalar floating point argument.
6159 2019-02-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
6161 PR rtl-optimization/89490
6162 * varasm.c (get_block_for_section): Bail out for mergeable sections.
6163 (default_use_anchors_for_symbol_p, output_object_block): Assert the
6164 block section is not mergeable.
6166 2019-02-27 Jakub Jelinek <jakub@redhat.com>
6169 * config/arm/arm.md (arm_casesi_internal): New define_expand. Rename
6170 old define_insn to ...
6171 (*arm_casesi_internal): ... this. Add mode to LABEL_REFs.
6172 * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
6173 Rename old define_insn to ...
6174 (*thumb2_casesi_internal): ... this. Add mode to LABEL_REFs.
6175 (thumb2_casesi_internal_pic): New define_expand. Rename old
6177 (*thumb2_casesi_internal_pic): ... this. Add mode to LABEL_REFs.
6178 * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
6179 MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
6181 2019-02-27 Richard Biener <rguenther@suse.de>
6184 * dwarf2out.c (use_debug_types): Disable when in_lto_p.
6186 2019-02-27 Richard Biener <rguenther@suse.de>
6188 * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6191 2019-02-27 Richard Biener <rguenther@suse.de>
6194 * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6195 parameter, prefix section name with .gnu.debuglto_ if true.
6196 (dwarf2out_finish): Pass false to output_comdat_type_unit.
6197 (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6199 2019-02-27 Richard Biener <rguenther@suse.de>
6202 * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6203 rather than on use_debug_types, doing what output_die does.
6204 (value_format): Likewise.
6206 2019-02-27 Martin Jambor <mjambor@suse.cz>
6207 Martin Sebor <msebor@redhat.com>
6209 * doc/invoke.texi (Warning Options): Reword description of
6210 -Wno-absolute-value.
6212 2019-02-27 Jakub Jelinek <jakub@redhat.com>
6214 PR tree-optimization/89280
6215 * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6216 builtin_setjmp_setup_bb): New functions.
6217 (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6218 When visiting __builtin_setjmp_setup block, queue in special
6219 setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6220 __builtin_setjmp_receiver. Remove .ABNORMAL_DISPATCHER basic blocks
6221 from visited after the loop if they don't have any visited successor
6224 2018-02-26 Steve Ellcey <sellcey@marvell.com>
6226 * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6228 (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6230 2019-02-26 Jakub Jelinek <jakub@redhat.com>
6233 * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6234 with types other than sizetype/ssizetype.
6236 2019-02-26 Eric Botcazou <ebotcazou@adacore.com>
6238 * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6239 (enum sparc_processor_type): ...this.
6240 (enum sparc_code_model_type): New enumeration type.
6241 (enum sparc_memory_model_type): Tweak comments.
6242 * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6244 (mcmodel): Use sparc_code_model enumeration and variable.
6245 (sparc_code_model): New enumeration.
6246 (mdebug): Add Undocumented marker.
6247 * config/sparc/sparc.h (enum cmodel): Delete.
6248 (sparc_cmodel): Likewise.
6249 (TARGET_CM_MEDLOW): Adjust to above renaming.
6250 (TARGET_CM_MEDMID): Likewise.
6251 (TARGET_CM_MEDANY): Likewise.
6252 (TARGET_CM_EMBMEDANY): Likewise.
6253 * config/sparc/sparc.c (sparc_cmodel): Delete.
6254 (sparc_option_override): Remove string/value mapping support for the
6255 code model. Move code and memory model support to after the handling
6256 of target flags. Do private machine setup last.
6257 (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6258 (sparc_legitimize_reload_address): Likewise.
6259 (sparc_output_mi_thunk): Likewise.
6260 * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6262 2019-02-26 Jakub Jelinek <jakub@redhat.com>
6264 PR tree-optimization/89500
6265 * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6266 (handle_builtin_strlen): Remove noncst_bound variable. Always
6267 optimize strnlen (x, 0) to 0. Optimize strnlen (x, cst) to
6268 cst if the first cst bytes starting at x are known to be non-zero,
6269 even if the string is not zero terminated. Don't try to modify
6270 *si for strnlen. Update strlen_to_stridx only for strlen or if
6271 we can prove strnlen returns the same value as strlen would.
6273 2019-02-26 Martin Liska <mliska@suse.cz>
6275 * alloc-pool.h (struct pool_usage): Remove extra
6277 * bitmap.h (struct bitmap_usage): Likewise.
6278 * ggc-common.c (struct ggc_usage): Likewise.
6279 * mem-stats.h (struct mem_usage): Likewise.
6280 (mem_alloc_description::dump): Print dash lines
6281 here and repeat header at the end of a table report.
6282 It's then more readable.
6283 * tree-phinodes.c (phinodes_print_statistics): Make
6284 horizontal alignment.
6285 * tree-ssanames.c (ssanames_print_statistics): Likewise.
6286 * vec.c (struct vec_usage): Remove extra print_dash_line.
6287 * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6289 2019-02-26 Uroš Bizjak <ubizjak@gmail.com>
6291 * doc/extend.texi (__builtin_object_size):
6292 Use @pxref instead of @xref inside parenthesis.
6293 (__builtin_has_attribute): Add missing comma after @xref.
6294 (__builtin_object_size): Ditto.
6295 * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6296 * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6299 2019-02-26 Jeff Law <law@redhat.com>
6301 PR rtl-optimization/87761
6302 * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6303 detect obviously dead insns and delete them.
6305 2019-02-26 Richard Biener <rguenther@suse.de>
6307 PR tree-optimization/89505
6308 * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6309 to handle restrict pointed-to vars with multiple subvars
6312 2019-02-26 Richard Biener <rguenther@suse.de>
6314 PR tree-optimization/89489
6315 * tree-parloops.c (create_loop_fn): Copy over last_clique.
6317 2019-02-26 Eric Botcazou <ebotcazou@adacore.com>
6319 * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6320 and move around comment.
6321 <BIT_AND_EXPR>: Likewise.
6322 <BIT_NOT_EXPR>: Add specific handling for boolean types.
6324 2019-02-26 Jakub Jelinek <jakub@redhat.com>
6327 * config/i386/i386.c (remove_partial_avx_dependency): Call
6328 df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6329 after changing possibly many instructions to use that pseudo. Fix up
6330 insertion of v4sf_const0 setter at the start of bb.
6332 2019-02-25 Sandra Loosemore <sandra@codesourcery.com>
6335 * doc/extend.texi (Variadic Pointer Args): New section.
6337 2019-02-25 Sandra Loosemore <sandra@codesourcery.com>
6338 Martin Sebor <msebor@gmail.com>
6340 * common.opt (Wattribute-alias): Likewise.
6341 * doc/invoke.texi (Option Summary): List general form of
6342 -Wattribute-alias=. List positive form of -Wmissing-attributes.
6343 (-Wmissing-attributes): Invert entry, rewrite and correct default.
6344 Add cross-references.
6345 (-Wattribute-alias): Rewrite and correct default. Mention
6346 considered attributes (same as for -Wmissing-attributes).
6348 2019-02-25 Paul A. Clarke <pc@us.ibm.com>
6350 * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6351 (_mm_cvtpd_ps): Likewise.
6352 (_mm_cvttpd_epi32): Likewise.
6355 * config/rs6000/xmmintrin.h (_mm_cvtss_f32): Fix type mismatch.
6356 (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6359 * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6361 2019-02-25 Tamar Christina <tamar.christina@arm.com>
6364 * common/config/aarch64/aarch64-common.c
6365 (struct aarch64_option_extension): Add is_synthetic.
6366 (all_extensions): Use it.
6367 (TARGET_OPTION_INIT_STRUCT): Define hook.
6368 (struct gcc_targetm_common): Moved to end.
6369 (all_extensions_by_on): New.
6370 (opt_ext_cmp, typedef opt_ext): New.
6371 (aarch64_option_init_struct): New.
6372 (aarch64_contains_opt): New.
6373 (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6374 * config/aarch64/aarch64-option-extensions.def
6375 (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6376 (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6377 sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6378 Set is_synthetic to false.
6379 (crypto): Set is_synthetic to true.
6380 * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6383 2019-02-25 Tamar Christina <tamar.christina@arm.com>
6385 * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6386 vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6387 vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6388 vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6389 vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6390 vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6391 vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6392 vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6394 (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6395 vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6396 vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6397 vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6398 vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6399 vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6400 vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6401 vfmlsl_laneq_high_f16): ... To this.
6402 * config/arm/neon.md: Update comments.
6404 2019-02-25 Tamar Christina <tamar.christina@arm.com>
6406 * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6407 vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6408 vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6409 vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6410 vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6411 vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6412 vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6413 vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6415 (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6416 vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6417 vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6418 vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6419 vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6420 vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6421 vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6422 vfmlslq_laneq_high_f16): ... To this.
6424 2019-02-25 Alexander Monakov <amonakov@ispras.ru>
6426 PR rtl-optimization/86096
6427 * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6428 comparing mw_order values.
6430 2019-02-25 Jakub Jelinek <jakub@redhat.com>
6433 * config/arm/arm.md (*subsi3_carryin_const): Use
6434 arm_neg_immediate_operand predicate instead of
6435 arm_not_immediate_operand, "L" constraint instead of "K" and
6436 print it using %n2 instead of %B2.
6437 (*subsi3_carryin_const0): New define_insn.
6438 (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6439 instead of arm_not_operand and "I" constraint instead of "K" and
6440 print it using %n3 instead of %B2. Instead of using match_dup 2 add
6441 another match_operand and in the condition check that it is negation
6443 (*subsi3_carryin_compare_const0): New define_ins.
6444 (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6445 *subsi3_carryin_const.
6446 (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6447 split into *subsi3_carryin_compare_const0 if the highpart is zero.
6450 * config/arm.vfp.md (*negdf2_vfp): Use
6451 gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6452 * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6454 2019-02-24 Jakub Jelinek <jakub@redhat.com>
6456 PR rtl-optimization/89445
6457 * simplify-rtx.c (simplify_ternary_operation): Don't use
6458 simplify_merge_mask on operands that may trap.
6459 * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6460 SCALAR_FLOAT_MODE_P checks. For integral division by zero, if
6461 second operand is CONST_VECTOR, check if any element could be zero.
6462 Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6463 their operands can trap.
6465 2019-02-23 Martin Sebor <msebor@redhat.com>
6467 * gimple-ssa-sprintf.c (target_strtol): Rename...
6468 (target_strtohwi): ...to this. Handle values up to HOST_WIDE_INT_MAX.
6469 (parse_directive): Adjust to name change. Use HOST_WIDE_INT_MAX to
6470 check for range error.
6472 2019-02-23 H.J. Lu <hongjiu.lu@intel.com>
6475 * opts-common.c (prune_options): Also prune joined switches
6476 with Negative and RejectNegative.
6477 * config/i386/i386.opt (march=): Add Negative(march=).
6478 (mtune=): Add Negative(mtune=).
6479 * doc/options.texi: Document Negative used together with Joined
6482 2019-02-22 Martin Sebor <msebor@redhat.com>
6484 * doc/extend.texi (Other Builtins): Add
6485 __builtin_is_constant_evaluated.
6487 2019-02-22 Richard Biener <rguenther@suse.de>
6489 PR tree-optimization/87609
6490 * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6492 2019-02-22 Jeff Law <law@redhat.com>
6494 PR rtl-optimization/87761
6495 * config/mips/mips.md: Add new combiner pattern to recognize
6496 a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6498 2019-02-22 Matthew Malcomson <matthew.malcomson@arm.com>
6501 * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6502 destination register in peepholes generating patterns for ADDS/SUBS.
6503 (add<mode>3_compare0,
6504 *addsi3_compare0_uxtw, add<mode>3_compareC,
6505 add<mode>3_compareV_imm, add<mode>3_compareV,
6506 *adds_<optab><ALLX:mode>_<GPI:mode>,
6507 *subs_<optab><ALLX:mode>_<GPI:mode>,
6508 *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6509 *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6510 *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6511 *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6512 sub<mode>3_compare1): Allow stack pointer for source register.
6513 * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6515 2019-02-22 Martin Sebor <msebor@redhat.com>
6517 PR tree-optimization/88993
6518 PR tree-optimization/88853
6519 * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6521 (sprintf_dom_walker::call_info::is_string_func): New helper.
6522 (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6523 for formatted string functions.
6524 (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6526 2019-02-22 Martin Sebor <msebor@redhat.com>
6529 * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6530 unreachable subexpressions.
6532 2019-02-22 H.J. Lu <hongjiu.lu@intel.com>
6533 Hongtao Liu <hongtao.liu@intel.com>
6534 Sunil K Pandey <sunil.k.pandey@intel.com>
6537 * config/i386/i386-passes.def: Add
6538 pass_remove_partial_avx_dependency.
6539 * config/i386/i386-protos.h
6540 (make_pass_remove_partial_avx_dependency): New.
6541 * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6543 (pass_data_remove_partial_avx_dependency): New.
6544 (pass_remove_partial_avx_dependency): Likewise.
6545 (make_pass_remove_partial_avx_dependency): Likewise.
6546 * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6547 (*extendsfdf2): Add avx_partial_xmm_update.
6548 (truncdfsf2): Likewise.
6549 (*float<SWI48:mode><MODEF:mode>2): Likewise.
6550 (SF/DF conversion splitters): Disabled for TARGET_AVX.
6552 2019-02-22 Aldy Hernandez <aldyh@redhat.com>
6555 * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6558 2019-02-22 Thiago Macieira <thiago.macieira@intel.com>
6561 * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6562 (PTA_SKYLAKE): Add PTA_AES.
6563 (PTA_GOLDMONT): Likewise.
6565 2019-02-22 Sudakshina Das <sudi.das@arm.com>
6567 * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6568 instruction if enabled.
6569 (aarch64_override_options): Remove reference to return address key.
6571 2019-02-22 Richard Biener <rguenther@suse.de>
6573 PR tree-optimization/89440
6574 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6575 not necessary assert.
6577 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
6580 * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6581 (oacc_replace_fn_attrib_attr): ... this new function.
6582 * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6583 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6585 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6587 * config/arm/arm-cpus.in (ares): Rename to...
6588 (neoverse-n1): ... This. Add ares as alias.
6589 * config/arm/arm-tables.opt: Regenerate.
6590 * config/arm/arm-tune.md: Likewise.
6591 * doc/invoke.txt (ARM Options): Document neoverse-n1.
6593 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6595 * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6596 * config/aarch64/aarch64-tune.md: Regenerate.
6597 * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6599 2019-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6601 * config/aarch64/aarch64.c (ares_tunings): Rename to...
6602 (neoversen1_tunings): ... This.
6603 * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6604 (neoverse-n1): New CPU.
6605 * config/aarch64/aarch64-tune.md: Regenerate.
6606 * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6608 2019-02-22 Richard Biener <rguenther@suse.de>
6611 * cfghooks.h (dependence_hash): New typedef.
6612 (struct copy_bb_data): New type.
6613 (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6614 (duplicate_block): Likewise.
6615 * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6616 (copy_bbs): Create and pass down copy_bb_data.
6617 * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6618 (rtl_duplicate_bb): Likewise.
6619 * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6620 remap dependence info.
6622 2019-02-22 Richard Biener <rguenther@suse.de>
6624 PR tree-optimization/87609
6625 * tree-core.h (tree_base): Document special clique values.
6626 * tree-inline.c (remap_dependence_clique): Do not use the
6627 special clique value of one.
6628 (maybe_set_dependence_info): Use clique one.
6629 (clear_dependence_clique): New callback.
6630 (compute_dependence_clique): Clear clique one from all refs
6631 before assigning it (again).
6633 2019-02-21 Martin Sebor <msebor@redhat.com>
6635 * doc/extend.texi (__clear_cache): Correct signature.
6637 2019-02-21 Ian Lance Taylor <iant@golang.org>
6640 * varasm.c (decode_addr_const): Call lookup_constant_def rather
6641 than output_constant_def.
6642 (add_constant_to_table): New static function.
6643 (output_constant_def): Call add_constant_to_table.
6644 (tree_output_constant_def): Likewise.
6646 2019-02-21 Jakub Jelinek <jakub@redhat.com>
6649 * builtins.c (fold_builtin_arith_overflow): If first two args are
6650 INTEGER_CSTs, set intres and ovfres to constants rather than calls
6653 2019-02-21 H.J. Lu <hongjiu.lu@intel.com>
6656 * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6657 error for -mindirect-branch/-mfunction-return with incompatible
6660 2019-02-21 Jakub Jelinek <jakub@redhat.com>
6663 * constraints.md (q): Remove.
6664 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6667 2019-02-21 Martin Jambor <mjambor@suse.cz>
6670 * omp-general.c (omp_extract_for_data): Removed a duplicate call
6671 to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6672 (omp_adjust_for_condition): ...here. Added necessary parameters.
6673 * omp-general.h (omp_adjust_for_condition): Updated declaration.
6674 * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6675 proper values to new parameters of omp_adjust_for_condition.
6677 2019-02-20 Jakub Jelinek <jakub@redhat.com>
6680 * expr.c (expand_assignment): If result is a MEM, use change_address
6681 instead of simplify_gen_subreg.
6683 2019-02-20 Jakub Jelinek <jakub@redhat.com>
6684 David Malcolm <dmalcolm@redhat.com>
6687 * fold-const.c (decode_field_reference): Return NULL_TREE if
6688 lang_hooks.types.type_for_size returns NULL. Check it before
6689 overwriting *exp_. Use return NULL_TREE instead of return 0.
6691 2019-02-20 Jakub Jelinek <jakub@redhat.com>
6695 * toplev.c (do_compile): Double the emin/emax exponents to workaround
6698 2019-02-20 Uroš Bizjak <ubizjak@gmail.com>
6701 * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6702 TARGET_SSE in addition to TARGET_SSE_MATH.
6704 (ix86_excess_precision): Ditto.
6705 (ix86_float_exceptions_rounding_supported_p): Ditto.
6706 (use_rsqrt_p): Ditto.
6707 * config/i386/sse.md (rsqrt<mode>2): Ditto.
6709 2019-02-20 David Malcolm <dmalcolm@redhat.com>
6712 * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6713 linenum_arith_t when determining if two adjacent line spans are
6714 close enough to merge.
6715 (diagnostic_show_locus): Use linenum_arith_t when iterating over
6716 lines within each line_span.
6718 2019-02-20 Andre Vieira <andre.simoesdiasvieira@arm.com>
6721 * lra-constraints.c(uses_hard_regs_p): Fix handling of
6722 paradoxical SUBREGS.
6724 2019-02-20 Li Jia He <helijia@linux.ibm.com>
6727 * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6728 <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6729 ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6732 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
6734 * config/gcn/gcn.c (print_operand): Fix typo.
6736 2019-02-19 Richard Biener <rguenther@suse.de>
6739 * toplev.c (do_compile): Initialize mpfr's exponent range
6740 based on available float modes.
6742 2019-02-19 Eric Botcazou <ebotcazou@adacore.com>
6744 * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6745 as long as the epilogue isn't completed.
6747 2019-02-18 Martin Sebor <msebor@redhat.com>
6749 * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6750 __has_cpp_attribute, and __has_include.
6752 2019-02-18 Martin Sebor <msebor@redhat.com>
6754 * doc/invoke.texi (-Wreturn-type): Correct and expand.
6756 2019-02-18 Martin Sebor <msebor@redhat.com>
6759 * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6761 * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6763 2019-02-18 Richard Biener <rguenther@suse.de>
6765 PR tree-optimization/89296
6766 * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6767 of no-warning flag to cases that might emit the bogus warning.
6769 2019-02-18 Jakub Jelinek <jakub@redhat.com>
6772 * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6774 * config/arm/vfp.md (*movdi_vfp): Likewise.
6775 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6776 "q" constraint for operands[0].
6779 * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6780 *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6781 pattern in a temporary buffer.
6782 (*r<noxa>sbg_sidi_srl): Likewise. Always use 32 as I3 rather
6783 than 64-operands[2].
6786 * config/s390/s390.c (s390_indirect_branch_attrvalue,
6787 s390_indirect_branch_settings): Define unconditionally.
6788 (s390_set_current_function): Likewise, but guard the whole body except
6789 the s390_indirect_branch_settings call with
6790 #if S390_USE_TARGET_ATTRIBUTE.
6791 (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6793 * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6794 *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6795 Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6796 (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6797 HOST_WIDE_INT_1U instead of 1ULL.
6798 (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6799 to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6800 (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6801 z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6803 (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6806 2019-02-18 Martin Jambor <mjambor@suse.cz>
6808 PR tree-optimization/89209
6809 * tree-sra.c (create_access_replacement): New optional parameter
6810 reg_tree. Use it as a type if non-NULL and access type is not of
6812 (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6813 to create_access_replacement.
6814 (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6815 Check lacc is non-NULL before attempting to re-create it on the RHS.
6817 2019-02-18 Martin Liska <mliska@suse.cz>
6820 * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6822 (symbol_table::free_edge): Recycle m_summary_id.
6823 * cgraph.h (get_summary_id): New.
6824 (symbol_table::release_symbol): Set m_summary_id to -1
6826 (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6827 * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6828 function_summary to fast_function_summary.
6829 * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6830 * ipa-pure-const.c (class funct_state_summary_t):
6831 Switch from function_summary to fast_function_summary.
6832 * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6833 (class ipa_ref_opt_summary_t): Switch from function_summary
6834 to fast_function_summary.
6835 * symbol-summary.h (class function_summary_base): New class
6836 that is created from base of former function_summary.
6837 (function_summary_base::unregister_hooks): New.
6838 (class function_summary): Inherit from function_summary_base.
6839 (class call_summary_base): New class
6840 that is created from base of former call_summary.
6841 (class call_summary): Inherit from call_summary_base.
6842 (struct is_same): New.
6843 (class fast_function_summary): New summary class.
6844 (class fast_call_summary): New summary class.
6845 * vec.h (vec_safe_grow_cleared): New function.
6847 2019-02-18 Martin Liska <mliska@suse.cz>
6849 * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6850 (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6851 * doc/tm.texi: Document new target hook.
6852 * doc/tm.texi.in: Likewise.
6853 * target.def: Add new target macro.
6854 * gcc.c (find_fortran_preinclude_file): Do not search multilib
6857 2019-02-17 Alan Modra <amodra@gmail.com>
6860 * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6861 output reg on add insn.
6862 (<bd>tf_<mode> split): Likewise. Match predicates with insn.
6864 2019-02-16 H.J. Lu <hongjiu.lu@intel.com>
6867 * config/i386/sse.md (ssedoublemode): Remove V4HI.
6868 (PMULHRSW): Likewise.
6869 (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6871 (ssse3_pmulhrswv4hi3): New expander.
6873 2019-02-16 H.J. Lu <hongjiu.lu@intel.com>
6875 * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6876 MMX. Add isa attribute.
6878 2019-02-16 Jakub Jelinek <jakub@redhat.com>
6880 PR rtl-optimization/66152
6881 * builtins.h (c_readstr): Declare.
6882 * builtins.c (c_readstr): Remove forward declaration. Add
6883 null_terminated_p argument, if false, read all bytes from the
6884 string instead of stopping after '\0'.
6885 * expr.c (string_cst_read_str): New function.
6886 (store_expr): Use string_cst_read_str instead of
6887 builtin_strncpy_read_str. Try to store by pieces the whole
6888 exp_len first, and only if that fails, split it up into
6889 store by pieces followed by clear_storage. Formatting fix.
6891 * config/i386/i386.md (*movqi_internal): Remove static from
6892 buf variable. Use output_asm_insn (buf, operands); return "";
6893 instead of return buf;.
6894 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6895 *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6896 *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6898 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
6900 * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6901 (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6902 * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6903 (CC1_SPEC): Likewise.
6904 * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6906 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
6908 * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6909 the base address on 64-bit strict-alignment platforms.
6911 2019-02-15 H.J. Lu <hongjiu.lu@intel.com>
6913 * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6915 2019-02-15 Uroš Bizjak <ubizjak@gmail.com>
6917 * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6919 2019-02-15 Aaron Sawdey <acsawdey@linux.ibm.com>
6921 PR rtl-optimization/88308
6922 * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6923 on copied instruction.
6925 2019-02-15 Eric Botcazou <ebotcazou@adacore.com>
6927 * final.c (insn_current_reference_address): Replace test on JUMP_P
6928 with test on jump_to_label_p.
6929 * config/visium/visium-passes.def: New file.
6930 * config/visium/t-visium (PASSES_EXTRA): Define.
6931 * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6932 * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6933 (TRAMPOLINE_ALIGNMENT): Define.
6934 * config/visium/visium.c (visium_option_override): Do not register
6935 the machine-specific reorg pass here.
6936 (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6938 (output_branch): Adjust threshold for long branch instruction.
6939 * config/visium/visium.md (cpu): Move around.
6940 (length): Adjust for the GR6.
6942 2019-02-15 Richard Biener <rguenther@suse.de>
6943 Jakub Jelinek <jakub@redhat.com>
6945 PR tree-optimization/89278
6946 * tree-loop-distribution.c: Include tree-eh.h.
6947 (generate_memset_builtin, generate_memcpy_builtin): Call
6948 rewrite_to_non_trapping_overflow on builtin->size before passing it
6949 to force_gimple_operand_gsi.
6951 2019-02-15 Jakub Jelinek <jakub@redhat.com>
6954 * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6956 * opth-gen.awk: Likewise.
6958 2019-02-15 Uroš Bizjak <ubizjak@gmail.com>
6960 * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6961 Enable MMX, SSE and SSE2 by default.
6962 * config/i386/i386.c (ix86_option_override_internal): Do not
6963 explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6965 2019-02-14 Jakub Jelinek <jakub@redhat.com>
6967 PR rtl-optimization/89354
6968 * combine.c (make_extraction): Punt if extraction_mode is narrower
6971 2019-02-14 Maya Rashish <coypu@sdf.org>
6973 * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6974 * config/netbsd-d.c: New file.
6975 * config/t-netbsd: Add netbsd-d.o
6977 2018-02-14 Steve Ellcey <sellcey@marvell.com>
6979 * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6980 affects_type_identity to true for aarch64_vector_pcs.
6981 (aarch64_comp_type_attributes): New function.
6982 (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6984 2019-02-14 Tamar Christina <tamar.christina@arm.com>
6987 * config/arm/iterators.md (ANY64): Add V4HF.
6989 2019-02-14 Martin Liska <mliska@suse.cz>
6991 PR rtl-optimization/89242
6992 * dce.c (delete_unmarked_insns): Call free_dominance_info we
6993 process a transformation.
6995 2019-02-14 Jakub Jelinek <jakub@redhat.com>
6997 PR tree-optimization/89314
6998 * fold-const.c (fold_binary_loc): Cast strlen argument to
6999 const char * before dereferencing it. Formatting fixes.
7002 * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7004 2019-02-13 Ian Lance Taylor <iant@golang.org>
7006 * optc-save-gen.awk: Set var_opt_hash for initial optimizations
7007 and set current index for other optimizations.
7009 2019-02-13 Uroš Bizjak <ubizjak@gmail.com>
7011 * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
7012 nonimmediate_operand as operand 2 predicate.
7013 (vec_set<VF2_512_256:mode>_0): Ditto.
7014 (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
7015 (*vec_concatv2si): Remove alternative 2.
7016 (*vec_concatv4si_0): Use vm constraint for alternative 0.
7017 (*vec_concatv4si_0): Remove preferred_for_speed attribute.
7018 (vec_concatv2di): Split alternatives 4,5,6 to ...
7019 (*vec_concatv2di_0) ... new pattern.
7021 2019-02-13 Wilco Dijkstra <wdijkstr@arm.com>
7024 * config/arm/arm.c (ldm_stm_operation_p) Set
7025 addr_reg_in_reglist correctly for first register.
7026 (load_multiple_sequence): Remove dead base check.
7027 (gen_ldm_seq): Correctly set write_back for Thumb-1.
7029 2019-02-13 Tamar Christina <tamar.christina@arm.com>
7032 * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
7033 Expose as @aarch64_pred_mov.
7034 * config/aarch64/aarch64.c (aarch64_classify_address):
7035 Use expand_insn which legitimizes operands.
7037 2019-02-13 Martin Liska <mliska@suse.cz>
7039 * builtins.h (expand_builtin_with_bounds): Remove declaration.
7040 * calls.c (struct arg_data): Remove special_slot, pointer_arg
7041 and pointer_offset fields.
7042 (initialize_argument_information): Remove usage of dead
7044 * cgraph.h (struct cgraph_thunk_info): Remove
7045 add_pointer_bounds_args.
7046 * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
7048 (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
7050 * config/i386/i386.c (ix86_function_arg_advance): Remove
7052 (struct builtin_isa): Remove leaf_p and nothrow_p fields.
7053 (def_builtin): Remove usage of dead
7055 (ix86_add_new_builtins): Likewise.
7056 * ipa-fnsummary.c (compute_fn_summary): Likewise.
7057 * ipa-icf.c (sem_function::equals_wpa): Likewise.
7058 (sem_function::init): Likewise.
7059 (sem_variable::merge): Likewise.
7060 * ipa-visibility.c (function_and_variable_visibility): Likewise.
7061 * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
7062 * lto-cgraph.c (lto_output_node): Likewise.
7063 (lto_output_varpool_node): Likewise.
7064 (input_node): Likewise.
7065 (input_varpool_node): Likewise.
7066 * lto-streamer-out.c (lto_output): Likewise.
7067 * tree-inline.c (expand_call_inline): Remove usage of
7069 * tree-inline.h (struct copy_body_data): Likewise.
7070 * varpool.c (varpool_node::dump): Likewise.
7072 2019-02-13 Jakub Jelinek <jakub@redhat.com>
7075 * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
7076 into pt->vars_contains_escaped_heap instead of setting
7077 pt->vars_contains_escaped_heap to it.
7080 * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
7081 INTVAL (size), compare it to GET_MODE_MASK instead of
7082 1 << GET_MODE_BITSIZE.
7085 * config/i386/predicates.md (x86_64_immediate_operand): Allow
7086 TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
7089 2019-02-13 Martin Liska <mliska@suse.cz>
7092 * cfgrtl.c (remove_barriers_from_footer): New function.
7093 (try_redirect_by_replacing_jump): Use it.
7094 (cfg_layout_redirect_edge_and_branch): Likewise.
7096 2019-02-13 Xiong Hu Luo <luoxhu@linux.vnet.ibm.com>
7098 * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
7099 vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
7100 * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
7101 (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
7102 * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
7103 (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
7105 * config/rs6000/rs6000.c (builtin_function_type)
7106 <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
7107 CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
7108 CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
7109 * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
7110 vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
7112 2019-02-12 Pat Haugen <pthaugen@us.ibm.com>
7114 * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
7115 -maltivec. Delete -maltivec=be and -maltivec=le documentation.
7117 2019-02-12 H.J. Lu <hongjiu.lu@intel.com>
7120 * config/i386/i386.md (*movoi_internal_avx): Revert revision
7121 268678 and revision 268657.
7122 (*movti_internal): Likewise.
7124 2019-02-12 Ilya Leoshkevich <iii@linux.ibm.com>
7127 * config/s390/s390.c (s390_decompose_address): Update comment.
7128 (s390_check_qrst_address): Reject invalid address forms after
7131 2019-02-12 Martin Liska <mliska@suse.cz>
7134 * ipa-pure-const.c (propagate_pure_const): Revert hunk as
7135 we need default values of funct_state for a function that
7138 2019-02-12 Eric Botcazou <ebotcazou@adacore.com>
7140 * asan.c (asan_expand_mark_ifn): Take into account the alignment of
7141 the object to pick the size of stores on strict-alignment platforms.
7143 * config/sparc/sparc.md (*movsi_insn): Minor tweak.
7144 (*movdi_insn_sp32): Likewise.
7145 (*movdi_insn_sp64): Likewise.
7147 2019-02-12 Jan Hubicka <hubicka@ucw.cz>
7150 * cgraphunit.c (analyze_functions): Clear READONLY flag for external
7151 types that needs constructiong.
7152 * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
7154 2019-02-12 Richard Biener <rguenther@suse.de>
7156 PR tree-optimization/89253
7157 * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
7160 2019-02-11 David Malcolm <dmalcolm@redhat.com>
7163 * input.c (selftest::test_line_offset_overflow): New selftest.
7164 (selftest::input_c_tests): Call it.
7166 2019-02-11 Martin Sebor <msebor@redhat.com>
7168 PR tree-optimization/88771
7169 * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
7170 when -Wstringop-overflow is set.
7171 (builtin_memref::builtin_memref): Adjust excessive upper bound
7172 only when lower bound is not excessive.
7173 (maybe_diag_overlap): Detect and diagnose excessive bounds via
7174 -Wstringop-ovefflow.
7175 (maybe_diag_offset_bounds): Rename...
7176 (maybe_diag_access_bounds): ...to this.
7177 (check_bounds_or_overlap): Adjust for name change above.
7179 2019-02-11 Martin Sebor <msebor@redhat.com>
7182 * builtins.c (max_object_size): Move from here...
7183 * builtins.h (max_object_size): ...and here...
7184 * tree.c (max_object_size): ...to here...
7185 * tree.h (max_object_size): ...and here.
7187 2019-02-11 Bill Schmidt <wschmidt@linux.ibm.com>
7189 * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7190 and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7191 for correct semantics.
7193 2019-02-11 Alan Modra <amodra@gmail.com>
7195 * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7196 -mlongcall and -mpltseq.
7197 (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7198 (RS/6000 and PowerPC Options <-mpltseq>): Document.
7199 * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7200 * config/rs6000/sysv4.opt (mpltseq): New option.
7201 * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7202 (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7203 support is lacking. Don't allow -mpltseq with -mbss-plt.
7204 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7205 -mpltseq given for ELFv1.
7206 * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7207 Only use UNSPEC_PLTSEQ for inline PLT calls.
7208 (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments. Only
7209 use UNSPEC_PLTSEQ for inline PLT calls.
7210 (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7211 (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7212 uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7213 * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7214 (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7215 (pltseq_mtctr_<mode>): Likewise.
7217 2019-02-11 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7219 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7221 * configure: Regenerate.
7223 2019-02-11 Jakub Jelinek <jakub@redhat.com>
7226 * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7229 2019-02-11 Hans-Peter Nilsson <hp@axis.com>
7231 * function.c (assign_parm_setup_block): Use the stored
7232 size, not the passed size, when allocating stack-space,
7233 also for a parameter with alignment larger than
7234 MAX_SUPPORTED_STACK_ALIGNMENT.
7236 2019-02-11 Martin Liska <mliska@suse.cz>
7239 * ipa-cp.c (build_toporder_info): Remove usage of a param.
7240 * ipa-inline.c (inline_small_functions): Likewise.
7241 * ipa-pure-const.c (propagate_pure_const): Likewise.
7242 (propagate_nothrow): Likewise.
7243 * ipa-reference.c (propagate): Likewise.
7244 * ipa-utils.c (struct searchc_env): Remove unused field.
7245 (searchc): Always search across AVAIL_INTERPOSABLE.
7246 (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7247 the only called IPA pure const can properly not propagate
7248 across interposable boundary.
7249 * ipa-utils.h (ipa_reduced_postorder): Remove param.
7251 2019-02-11 Chung-Ju Wu <jasonwucj@gmail.com>
7253 * config/nds32/nds32.md (call_internal, call_value_internal,
7254 sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7256 2019-02-11 Hans-Peter Nilsson <hp@axis.com>
7258 * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7261 2019-02-10 H.J. Lu <hongjiu.lu@intel.com>
7263 * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7266 2019-02-10 Chung-Ju Wu <jasonwucj@gmail.com>
7268 * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7270 2019-02-10 Jakub Jelinek <jakub@redhat.com>
7272 PR tree-optimization/89268
7273 * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7274 if preds is non-NULL.
7276 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
7279 * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7282 2019-02-10 Monk Chiang <sh.chiang04@gmail.com>
7284 * config/nds32/nds32.md (trap): New pattern.
7286 2019-02-10 Monk Chiang <sh.chiang04@gmail.com>
7288 * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7291 2019-02-10 Chung-Ju Wu <jasonwucj@gmail.com>
7293 * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7296 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
7298 * ipa-visibility.c (localize_node): Also do not localize
7299 LDPR_PREVAILING_DEF_IRONLY_EXP.
7301 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
7304 * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7305 instead of type_with_linkage.
7307 2019-02-09 Jan Hubicka <hubicka@ucw.cz>
7310 * params.def (uninlined-function-insns, uninlined-function-time,
7311 uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7312 bound so we don't get overflows.
7314 2019-02-09 Aaron Sawdey <acsawdey@linux.ibm.com>
7316 * config/rs6000/rs6000-string.c (expand_compare_loop,
7317 expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7320 2019-02-09 Jakub Jelinek <jakub@redhat.com>
7323 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7324 If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7325 TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7327 2019-02-09 Alan Modra <amodra@gmail.com>
7330 * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7331 case. Match logic in rs6000_emit_prologue emitting pic_offset_table
7334 2019-02-08 Vladimir Makarov <vmakarov@redhat.com>
7337 * lra-constraints.c (process_alt_operands): Don't increase reject
7338 for memory when offset memory is required.
7340 2019-02-08 Robin Dapp <rdapp@linux.ibm.com>
7342 * config/s390/vector.md: Implement vector copysign.
7344 2019-02-08 H.J. Lu <hongjiu.lu@intel.com>
7346 * expr.c (expand_constructor): Correct indentations.
7348 2019-02-08 Richard Biener <rguenther@suse.de>
7350 PR tree-optimization/89247
7351 * tree-if-conv.c: Include tree-cfgcleanup.h.
7352 (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7353 (tree_if_conversion): Pass through predicate vector.
7354 (pass_if_conversion::execute): Do CFG cleanup and SSA update
7355 inline, see if any if-converted loops we refrece in
7356 LOOP_VECTORIZED calls vanished and fixup.
7357 * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7359 2019-02-08 Ilya Leoshkevich <iii@linux.ibm.com>
7361 * config/s390/constraints.md (jdd): New constraint.
7363 2019-02-08 H.J. Lu <hongjiu.lu@intel.com>
7366 * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7367 upper 16 vector registers without TARGET_AVX512VL.
7368 (*movti_internal): Likewise.
7370 2019-02-08 Jakub Jelinek <jakub@redhat.com>
7372 PR rtl-optimization/89234
7373 * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7374 is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7375 (copy_reg_eh_region_note_backward): Likewise.
7377 2019-02-08 Richard Biener <rguenther@suse.de>
7380 * tree-data-ref.c (initialize_matrix_A): Fail if constant
7382 (analyze_subscript_affine_affine): Handle failure from
7383 initialize_matrix_A.
7385 2019-02-08 Jakub Jelinek <jakub@redhat.com>
7387 * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7390 2019-02-07 David Malcolm <dmalcolm@redhat.com>
7392 PR tree-optimization/86637
7393 PR tree-optimization/89235
7394 * tree-vect-loop.c (optimize_mask_stores): Add an
7395 auto_purge_vect_location sentinel to ensure that vect_location is
7398 (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7399 (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7400 to ensure that vect_location is purged on exit.
7401 (pass_slp_vectorize::execute): Likewise, replacing the manual
7403 * tree-vectorizer.h (class auto_purge_vect_location): New class.
7405 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7407 * config/aarch64/iterators.md (max_opp): New code_attr.
7408 (USMAX): New code iterator.
7409 * config/aarch64/predicates.md (aarch64_smin): New predicate.
7410 (aarch64_smax): Likewise.
7411 * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7412 (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7415 2019-02-07 H.J. Lu <hongjiu.lu@intel.com>
7418 * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7419 for TARGET_AVX512VL.
7420 (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7422 2019-02-07 Andreas Krebbel <krebbel@linux.ibm.com>
7424 * config/s390/s390-builtin-types.def: Add new types.
7425 * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7426 (s390_vec_xlw4): Make the memory operand into a const pointer.
7427 (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7429 * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7430 a new vector type with the alignment of the scalar memory operand.
7432 2019-02-07 Matthew Malcomson <matthew.malcomson@arm.com>
7433 Jakub Jelinek <jakub@redhat.com>
7436 * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7437 arm_count_ldrdstrd_insns): New declarations.
7438 * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7440 (valid_operands_ldrd_strd): New function.
7441 (arm_count_ldrdstrd_insns): New function.
7442 * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7443 sets instead of single DImode set and define new insns to match this.
7445 2019-02-07 Tamar Christina <tamar.christina@arm.com>
7447 * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7448 Make it a C initializer.
7450 2019-02-07 Tamar Christina <tamar.christina@arm.com>
7453 * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7455 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7457 * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7458 Use neon_dot<q> for type.
7459 (neon_<sup>dot_lane<vsi2qi>): Likewise.
7461 2019-02-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7463 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7464 Use neon_dot<q> for type.
7465 (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7466 (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7468 2019-02-06 Vladimir Makarov <vmakarov@redhat.com>
7470 PR rtl-optimization/89225
7471 * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7474 2019-02-06 Eric Botcazou <ebotcazou@adacore.com>
7476 * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7477 after restoring registers saved to allocate the frame on Windows.
7479 2019-02-06 Richard Biener <rguenther@suse.de>
7481 PR tree-optimization/89182
7482 * graphite.h (cached_scalar_evolution_in_region): Declare.
7483 * graphite.c (struct seir_cache_key): New.
7484 (struct sese_scev_hash): Likewise.
7485 (seir_cache): New global.
7486 (cached_scalar_evolution_in_region): New function.
7487 (graphite_transform_loops): Allocate and release seir_cache.
7488 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7489 cached_scalar_evolution_in_region.
7490 * graphite-scop-detection.c (scop_detection::can_represent_loop):
7492 (scop_detection::graphite_can_represent_expr: Use
7493 cached_scalar_evolution_in_region.
7494 (scop_detection::stmt_simple_for_scop_p): Likewise.
7495 (find_params_in_bb): Likewise.
7496 (gather_bbs::before_dom_children): Likewise.
7497 * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7498 (add_loop_constraints): Likewise.
7500 2019-02-06 Jakub Jelinek <jakub@redhat.com>
7503 * fold-const-call.c (fold_const_vec_convert): Pass true as last
7504 operand to new_unary_operation only if both element types are integral
7505 and it isn't a widening conversion. Return NULL_TREE if
7506 new_unary_operation failed.
7508 2019-02-05 Andreas Krebbel <krebbel@linux.ibm.com>
7511 * config/s390/s390.md: Remove load and test FP splitter.
7513 2019-02-05 Aaron Sawdey <acsawdey@linux.ibm.com>
7516 * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7517 expand_compare_loop, expand_block_compare_gpr,
7518 expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7519 REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7520 #include "profile-count.h" and "predict.h" for types and functions
7521 needed to work with REG_BR_PROB notes.
7523 2019-02-05 Aaron Sawdey <acsawdey@linux.ibm.com>
7526 * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7527 for the long branch case.
7529 2019-02-05 Jakub Jelinek <jakub@redhat.com>
7532 * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7533 can throw, non-call exceptions are enabled and we can't delete
7534 dead exceptions or alter cfg. Set must_clean if
7535 delete_insn_and_edges returns true, don't set it blindly for calls.
7536 Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7538 PR rtl-optimization/89195
7539 * combine.c (make_extraction): For MEMs, don't extract bytes outside
7540 of the original MEM.
7542 2019-02-05 Martin Liska <mliska@suse.cz>
7544 PR gcov-profile/89000
7545 * gcov.c (function_summary): Remove argument.
7546 (file_summary): New function.
7547 (print_usage): Replace tabs with spaces.
7548 (generate_results): Use new function file_summary.
7550 2019-02-05 Jakub Jelinek <jakub@redhat.com>
7553 * optabs.c (prepare_cmp_insn): Pass x and y to
7554 emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7556 2019-02-05 Richard Biener <rguenther@suse.de>
7559 * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7560 (struct bitmap_element): Drop chain_prev so we properly recurse on
7561 the prev member, supporting tree views.
7562 (struct bitmap_head): GTY skip the obstack member.
7564 2019-02-04 Alexander Monakov <amonakov@ispras.ru>
7567 * doc/extend.texi (Vector Extensions): Add an example of using vector
7568 types together with x86 intrinsics.
7570 2019-02-04 Alan Modra <amodra@gmail.com>
7572 * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7573 str[] size to 160, and comment.
7575 2019-02-04 Alan Modra <amodra@gmail.com>
7577 * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7578 (rs6000_pltseq_template): Guard output of TLS markers with
7580 (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7581 (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7582 to use inline PLT sequences.
7583 * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7584 (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7585 (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7587 2019-02-04 Martin Liska <mliska@suse.cz>
7590 * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7591 out when ipa_fn_summaries does not contain entry for callee.
7593 2019-02-04 Eric Botcazou <ebotcazou@adacore.com>
7595 * config/sparc/sparc.h: Remove superfluous blank lines.
7596 * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7597 (got_register_rtx): ...this.
7598 (sparc_got): Adjust to above renaming.
7599 (sparc_tls_got): Likewise.
7600 (sparc_delegitimize_address): Likewise.
7601 (sparc_output_mi_thunk): Likewise.
7602 (sparc_init_pic_reg): Likewise.
7603 (save_local_or_in_reg_p): Fix test on the GOT register.
7604 (USE_HIDDEN_LINKONCE): Move around.
7605 (get_pc_thunk_name): Likewise.
7606 (gen_load_pcrel_sym): Likewise.
7607 (load_got_register): Likewise.
7609 2019-02-04 Kito Cheng <kito.cheng@gmail.com>
7611 * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7612 of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7614 2019-02-04 Chung-Ju Wu <jasonwucj@gmail.com>
7616 * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7619 2019-02-04 Chung-Ju Wu <jasonwucj@gmail.com>
7621 * config.gcc (with_nds32_lib, glibc):
7622 Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7623 * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7624 (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7626 2019-02-03 Uroš Bizjak <ubizjak@gmail.com>
7629 * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7630 Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7631 alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7632 (*rcpsf2_sse): Ditto.
7633 (*rsqrtsf2_sse): Ditto.
7634 (sse4_1_round<mode<2): Ditto.
7636 2019-02-03 Richard Biener <rguenther@suse.de>
7639 * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7642 2019-02-02 Jakub Jelinek <jakub@redhat.com>
7645 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7646 Punt with warning on aggregate return or argument types. Ignore
7647 type/mode checking for uniform arguments.
7649 2019-02-01 Segher Boessenkool <segher@kernel.crashing.org>
7651 * combine.c (try_combine): Do not print "Can't combine" messages unless
7652 printing failed combination attempts.
7654 2019-02-01 Martin Jambor <mjambor@suse.cz>
7657 * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7658 segment and global segment variables before making them static.
7660 2019-02-01 Martin Jambor <mjambor@suse.cz>
7662 * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7663 missed optimization dump with dump_enabled_p.
7665 2019-02-01 Richard Biener <rguenther@suse.de>
7668 * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7669 the instantiate cache.
7670 (instantiate_scev_binary): Elide second operand procesing
7671 if equal to the first.
7672 * tree-chrec.c (chrec_contains_symbols): Add visited set.
7673 (chrec_contains_undetermined): Likewise.
7674 (tree_contains_chrecs): Likewise.
7676 2019-02-01 Jan Hubicka <hubicka@ucw.cz>
7678 * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7680 2019-02-01 Jakub Jelinek <jakub@redhat.com>
7682 PR tree-optimization/89143
7683 * wide-int-range.h (wide_int_range_absu): Declare.
7684 * wide-int-range.cc (wide_int_range_absu): New function.
7685 * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7687 PR tree-optimization/88107
7688 * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7689 instead of assertion that eh_region_outermost is non-NULL, if it
7690 is NULL, set *ALL to true and return NULL.
7691 (move_sese_region_to_fn): Adjust caller, if all is set, call
7692 duplicate_eh_regions with NULL region.
7694 2019-02-01 Richard Biener <rguenth@suse.de>
7696 PR rtl-optimization/88593
7697 * mode-switching.c (optimize_mode_switching): Free dominators before
7698 calling cleanup_cfg.
7700 2019-02-01 Bin Cheng <bin.cheng@linux.alibaba.com>
7702 PR tree-optimization/88932
7703 * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7705 2019-01-31 Jakub Jelinek <jakub@redhat.com>
7708 * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7709 bogus clang warning.
7711 2019-01-31 Uroš Bizjak <ubizjak@gmail.com>
7714 * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7715 alternative to avoid partial SSE register stall for TARGET_AVX.
7716 (truncdfsf2): Ditto.
7717 (sse4_1_round<mode>2): Ditto.
7719 2018-01-31 Bill Schmidt <wschmidt@linux.ibm.com>
7721 PR tree-optimization/89008
7722 * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7723 process anything of the form X * 0.
7725 2019-01-31 Richard Biener <rguenther@suse.de>
7727 PR tree-optimization/89135
7728 * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7729 with abnormal preds.
7731 2019-01-31 Jakub Jelinek <jakub@redhat.com>
7734 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7735 always_inline callees into no_sanitize_address callers.
7737 2019-01-31 Richard Biener <rguenther@suse.de>
7739 PR rtl-optimization/89115
7740 * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7742 2019-01-30 Martin Sebor <msebor@redhat.com>
7745 * doc/extend.texi (cast to a union): Correct and expand.
7747 2019-01-30 Vladimir Makarov <vmakarov@redhat.com>
7749 PR rtl-optimization/87246
7750 * lra-constraints.c (simplify_operand_subreg): Reload memory
7751 in subreg if the address became invalid.
7753 2019-01-30 Bill Schmidt <wschmidt@linux.ibm.com>
7756 * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7757 Disable for little-endian.
7759 2019-01-30 Richard Biener <rguenther@suse.de>
7761 PR rtl-optimization/89115
7762 * opts.c (default_options_optimization): Reduce
7763 PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7764 Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7767 2019-01-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
7769 * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7770 Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT. Coerce result to
7771 type of vector element when vec_extract is implemented by direct
7774 2019-01-30 Thomas Schwinge <thomas@codesourcery.com>
7776 * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7778 2019-01-30 Richard Biener <rguenther@suse.de>
7780 PR tree-optimization/89111
7781 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7782 canonicalization to appropriately sized access types.
7784 2019-01-30 Jakub Jelinek <jakub@redhat.com>
7787 * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7788 for arguments to functions that are TU-local and shouldn't be
7789 referenced by assembly.
7791 2019-01-30 Ulrich Drepper <drepper@redhat.com>
7793 * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7796 2019-01-29 Martin Sebor <msebor@redhat.com>
7799 * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7801 2019-01-29 Jakub Jelinek <jakub@redhat.com>
7805 * omp-simd-clone.c (simd_clone_clauses_extract)
7806 <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7807 OMP_CLAUSE_ALIGNED_ALIGNMENT.
7809 2019-01-29 Vineet Gupta <vgupta@synopsys.com>
7811 * config.gcc: Force .init_array for ARC.
7813 2019-01-29 Richard Biener <rguenther@suse.de>
7816 * dwarf2out.c (collect_skeleton_dies): New helper.
7817 (copy_decls_for_unworthy_types): Call it.
7818 (build_abbrev_table): Assert we do not try to replace
7819 DW_AT_signature refs with local refs.
7821 2019-01-28 Jakub Jelinek <jakub@redhat.com>
7824 * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7825 for lastprivate/linear IV, push gimplify context around gimplify_assign
7826 and, if it needed any temporaries, pop it into a gimple bind around the
7829 2019-01-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
7831 * common.opt (-Wattribute-alias): Remove "no-" from name.
7832 Make -Wattribute-alias command line option and
7833 #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7835 2019-01-28 Jakub Jelinek <jakub@redhat.com>
7838 * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7839 -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7841 (bmi2): Add missing @opindex.
7842 * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7843 options alphabetically. Add missing 3dnow, 3dnowa, adx, avx, avx2,
7844 avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7845 avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7846 avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7847 cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7848 fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7849 pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7850 sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7851 xsavec, xsaveopt and xsaves options.
7853 2019-01-28 Richard Biener <rguenther@suse.de>
7856 * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7859 2019-01-28 Richard Biener <rguenther@suse.de>
7861 PR tree-optimization/88739
7862 * tree-cfg.c (verify_types_in_gimple_reference): Verify
7863 BIT_FIELD_REFs only are applied to mode-precision operands
7864 when they are integral.
7865 (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7866 * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7867 BIT_FIELD_REFs of non-mode-precision integral operands.
7869 2019-01-27 Jakub Jelinek <jakub@redhat.com>
7872 * config/i386/sse.md
7873 (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7874 avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7875 first constants in pairs are multiples of 2. Formatting fixes.
7876 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7877 avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7878 first constants in each quadruple are multiples of 4. Formatting fixes.
7880 2019-01-26 Martin Jambor <mjambor@suse.cz>
7883 * tree-inline.c: Include tree-cfgcleanup.h.
7884 (delete_unreachable_blocks_update_callgraph): Move...
7885 * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7886 ...here, make externally visible, make second argument bool, adjust
7888 * tree-cfgcleanup.c: Include cgraph.h.
7889 * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7891 * ipa-prop.c: Include tree-cfgcleanup.h.
7892 (ipcp_transform_function): Call
7893 delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7895 2019-01-25 Vladimir Makarov <vmakarov@redhat.com>
7897 PR rtl-optimization/88846
7898 * ira.c (process_set_for_memref_referenced_p): New.
7899 (memref_referenced_p): Add new param. Use
7900 process_set_for_memref_referenced_p. Add new switch cases.
7901 (memref_used_between_p): Pass new arg to memref_referenced_p.
7903 2019-01-25 Richard Earnshaw <rearnsha@arm.com>
7906 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7907 argument ABI_BREAK. Set to true if the calculated alignment has
7908 changed in gcc-9. Check bit-fields for their base type alignment.
7909 (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7910 (aarch64_function_arg_boundary): Likewise.
7911 (aarch64_gimplify_va_arg_expr): Likewise.
7913 2019-01-25 Richard Sandiford <richard.sandiford@arm.com>
7916 * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7917 instead of accessing TREE_INT_CST_ELT directly.
7919 2019-01-25 Christophe Lyon <christophe.lyon@linaro.org>
7921 * doc/sourcebuild.texi (Environment attributes): Add fenv and
7922 fenv_exceptions description.
7924 2019-01-25 Wilco Dijkstra <wdijkstr@arm.com>
7926 PR rtl-optimization/87763
7927 * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7928 Allow SUBREG when matching CC_NZmode compare.
7930 2019-01-25 Richard Biener <rguenther@suse.de>
7932 PR tree-optimization/89049
7933 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7934 Look at the pattern stmt to determine if the stmt is vectorized.
7936 2019-01-25 Richard Sandiford <richard.sandiford@arm.com>
7938 * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7939 (pred_mov<mode>): Handle all-register forms using both a new
7940 alternative and a split.
7942 2019-01-25 Richard Biener <rguenther@suse.de>
7944 PR tree-optimization/86865
7945 * graphite-scop-detection.c (scop_detection::can_represent_loop):
7946 Reject non-do-while loops.
7948 2019-01-24 Peter Bergner <bergner@linux.ibm.com>
7950 * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7951 * config/rs6000/constraints.md (Q constraint): Use REG_P.
7952 * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7953 * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7954 SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7955 * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7956 * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7957 vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7958 vlogical_operand, gpc_reg_operand, int_reg_operand,
7959 int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7960 (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7961 cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7962 (save_world_operation, restore_world_operation, lmw_operation,
7963 stmw_operation): Use MEM_P and REG_P.
7964 (tie_operand): Use MEM_P.
7965 (vrsave_operation, crsave_operation): Use REG_P.
7966 (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7967 (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7968 (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7969 (call_operand): Use HARD_REGISTER_P.
7970 (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7972 (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7973 * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7974 quad_aligned_load_p, replace_swapped_aligned_store,
7975 recombine_lvx_pattern, replace_swapped_aligned_load,
7976 recombine_stvx_pattern): Use MEM_P.
7977 (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7978 Use MEM_P and SYMBOL_REF_P.
7979 (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7980 (insn_is_swappable_p): Use REG_P and MEM_P.
7981 (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7982 * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7984 * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7986 (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7988 (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7989 CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7990 (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7991 HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7993 (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7994 (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7995 rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7996 rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7997 rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7998 rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7999 rs6000_split_logical_di): Use CONST_INT_P.
8000 (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8001 REG_P and SYMBOL_REF_P.
8002 (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8003 (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8004 (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8005 mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8006 (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
8007 (small_data_operand, print_operand_address): Use CONST_INT_P and
8009 (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
8010 (rs6000_init_hard_regno_mode_ok, direct_move_p):
8011 Use HARD_REGISTER_NUM_P.
8012 (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
8013 (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
8014 SUBREG_P and SYMBOL_REF_P.
8015 (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
8016 and HARD_REGISTER_NUM_P.
8017 (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
8019 (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
8020 (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
8022 (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
8023 registers_ok_for_quad_peep, rs6000_output_function_epilogue,
8024 find_addr_reg): Use REG_P.
8025 (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
8026 (rs6000_emit_le_vsx_move): Use SUBREG_P.
8027 (offsettable_ok_by_alignment, constant_pool_expr_p,
8028 legitimate_small_data_p, rs6000_output_dwarf_dtprel,
8029 rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
8030 rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
8031 rs6000_assemble_integer, create_TOC_reference,
8032 rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
8033 rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
8034 (rs6000_split_vec_extract_var): Use reg_or_subregno.
8035 * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8036 CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8037 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8038 * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8039 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
8040 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
8041 (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
8042 (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
8043 * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
8044 and cbranch<mode>4): Use CONST_INT_P.
8045 (multiple define_splits): Use REG_P and SUBREG_P.
8046 (define_expands call, call_value): Use MEM_P.
8047 (define_expands sibcall, sibcall_value): Use CONST_INT_P and MEM_P.
8048 (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
8049 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
8050 *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
8051 and HARD_REGISTER_NUM_P.
8052 (multiple define_splits): Use HARD_REGISTER_NUM_P.
8054 2019-01-24 Uroš Bizjak <ubizjak@gmail.com>
8056 PR rtl-optimization/88948
8057 * rtl.h (prepare_copy_insn): New prototype.
8058 * gcse.c (prepare_copy_insn): New function, split out from
8059 process_insert_insn.
8060 (process_insert_insn): Use prepare_copy_insn.
8061 * store-motion.c (replace_store_insn): Use prepare_copy_insn
8062 instead of gen_move_insn.
8064 2019-01-24 Jakub Jelinek <jakub@redhat.com>
8067 * config/i386/i386.c (ix86_pic_register_p): Return true for
8070 PR tree-optimization/88964
8071 * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
8072 punt if HONOR_SNANS (chrec).
8075 * tree-nested.c (convert_nonlocal_reference_stmt,
8076 convert_local_reference_stmt, convert_tramp_reference_stmt,
8077 convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
8078 gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
8081 PR tree-optimization/89027
8082 * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
8083 for "omp simd array" variables.
8085 2019-01-24 Richard Earnshaw <rearnsha@arm.com>
8088 * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
8089 force the alignment of m_val.
8091 2019-01-24 Richard Biener <rguenther@suse.de>
8094 * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
8095 When in "legacy" debug mode make sure to reset self-origins.
8097 2019-01-24 Martin Liska <mliska@suse.cz>
8099 PR gcov-profile/88994
8100 * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
8101 result will be always smaller or equal to the original.
8102 * gcov.c (mangle_name): Fix else branch where we should
8103 also copy to PTR and shift the pointer.
8105 2019-01-24 Xiong Hu Luo <luoxhu@linux.vnet.ibm.com>
8107 * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
8108 * vr-values.c (find_case_label_ranges): Fix a comment typo.
8110 2019-01-23 Xuepeng Guo <xuepeng.guo@intel.com>
8112 * common/config/i386/i386-common.c
8113 (OPTION_MASK_ISA_ENQCMD_SET,
8114 OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
8115 (ix86_handle_option): Handle -menqcmd.
8116 * config.gcc (enqcmdintrin.h): New header file.
8117 * config/i386/cpuid.h (bit_ENQCMD): New bit.
8118 * config/i386/driver-i386.c (host_detect_local_cpu): Handle
8120 * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
8122 * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
8123 __builtin_ia32_enqcmds): New builtins.
8124 * config/i386/i386-c.c (__ENQCMD__): New macro.
8125 * config/i386/i386-option.c (ix86_target_string): Add
8127 (ix86_valid_target_attribute_inner_p): Likewise.
8128 * config/i386/i386-expand.c
8129 (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
8130 IX86_BUILTIN_ENQCMDS.
8131 * config/i386/i386.h (TARGET_ENQCMD): New.
8132 * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
8133 (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
8134 (movdir64b_<mode>): Parameterize to enable share expansion code
8135 with ENQCMD in function ix86_expand_builtin.
8136 * config/i386/i386.opt: Add -menqcmd.
8137 * config/i386/immintrin.h: Include enqcmdintrin.h.
8138 * config/i386/enqcmdintrin.h: New intrinsic file.
8139 * doc/invoke.texi: Add -menqcmd.
8141 2019-01-23 Bin Cheng <bin.cheng@arm.com>
8142 Steve Ellcey <sellcey@marvell.com>
8145 * recog.c (address_operand): Return false on wrong mode for address.
8146 (constrain_operands): Check for mode with 'p' constraint.
8148 2019-01-23 Uroš Bizjak <ubizjak@gmail.com>
8151 * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
8152 Disparage MMX alternative.
8153 (sse2_cvtpd2pi): Ditto.
8154 (sse2_cvttpd2pi): Ditto.
8156 2019-01-23 David Malcolm <dmalcolm@redhat.com>
8159 * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
8160 use-after-free of the result of
8161 aarch64_get_extension_string_for_isa_flags.
8163 2019-01-23 Jakub Jelinek <jakub@redhat.com>
8166 * doc/extend.texi: Document break and continue behavior in
8167 statement expressions.
8169 2019-01-23 Richard Biener <rguenther@suse.de>
8171 PR tree-optimization/89008
8172 * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
8173 not leave another stray operand.
8175 2019-01-23 Jakub Jelinek <jakub@redhat.com>
8177 * BASE-VER: Bump to 9.0.1.
8179 2019-01-23 Eric Botcazou <ebotcazou@adacore.com>
8181 * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
8182 thunk that returns by reference, use the type of the return object
8183 of the thunk instead of that of the alias to build the dereference.
8185 2019-01-23 Vineet Gupta <vgupta@synopsys.com>
8187 * config/arc/atomic.md: Add operand to DMB instruction.
8189 2019-01-23 Jakub Jelinek <jakub@redhat.com>
8191 PR tree-optimization/88964
8192 * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8193 build_zero_cst instead of build_int_cst. Return false for loop
8194 invariants which honor signed zeros.
8196 2019-01-22 Segher Boessenkool <segher@kernel.crashing.org>
8198 * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8200 2019-01-22 Jakub Jelinek <jakub@redhat.com>
8203 * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8204 (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8205 is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8208 * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8209 non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8212 * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8213 Disable for little endian.
8215 2019-01-22 Richard Earnshaw <rearnsha@arm.com>
8218 * config/arm/arm.c (arm_needs_double_word_align): Check
8219 DECL_BIT_FIELD_TYPE.
8221 2019-01-22 Hongtao Liu <hongtao.liu@intel.com>
8222 H.J. Lu <hongjiu.lu@intel.com>
8225 * config/i386/i386-builtin.def: Add mask2 to all builtin
8226 initializations. Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8228 * config/i386/i386.c (BDESC): Add mask2 to the definition.
8229 (BDESC_FIRST): Likewise.
8230 (define_builtin): Add an argument for mask2. Updated to handle
8231 both ix86_isa_flags and ix86_isa_flags2.
8232 (define_builtin_const): Likewise.
8233 (define_builtin_pure): Likewise.
8234 (define_builtin2): Deleted.
8235 (define_builtin_const2): Likewise.
8236 (builtin_description): Add a member, mask2.
8237 (bdesc_*): Add mask2 to builtin initializations.
8238 (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8239 def_builtin_const and def_builtin_pure. Remove SPECIAL_ARGS2
8241 (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8243 2019-01-22 H.J. Lu <hongjiu.lu@intel.com>
8246 * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8249 2019-01-22 Richard Earnshaw <rearnsha@arm.com>
8252 * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8253 alignment is dominated by a bitfield with 64-bit aligned base type.
8254 (arm_function_arg): Emit a warning if the alignment has changed since
8255 earlier GCC releases.
8256 (arm_function_arg_boundary): Likewise.
8257 (arm_setup_incoming_varargs): Likewise.
8259 2019-01-22 Richard Biener <rguenther@suse.de>
8261 PR tree-optimization/88862
8262 * graphite-scop-detection.c
8263 (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8265 2019-01-22 Andrew Stubbs <ams@codesourcery.com>
8267 * doc/extend.tex (AMD GCN Function Attributes): New section.
8268 * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8269 * doc/invoke.texi (AMD GCN Options): New section.
8270 * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8272 2019-01-22 Eric Botcazou <ebotcazou@adacore.com>
8274 * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8275 register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8277 2019-01-22 Jakub Jelinek <jakub@redhat.com>
8279 PR tree-optimization/88044
8280 * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8281 is false in the first iteration, but !every_iteration, return false
8282 instead of true with niter->niter zero.
8284 PR rtl-optimization/88904
8285 * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8286 any nonequal registers before processing BB_END (b).
8289 * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8291 (expand_binop_directly, expand_doubleword_clz,
8292 expand_doubleword_popcount, expand_ctz, expand_ffs,
8293 expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8295 PR rtl-optimization/49429
8297 PR rtl-optimization/86334
8299 * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8300 addressable from here...
8301 (emit_block_op_via_libcall): ... to here.
8303 2019-01-22 Richard Biener <rguenther@suse.de>
8305 * tree-vect-loop.c (vect_analyze_loop_operations): Use
8306 auto_vec for cost vector to fix memleak.
8307 (vectorize_fold_left_reduction): Properly gather SLP defs.
8308 (vectorizable_comparison): Do not swap operands to properly
8311 2019-01-22 Alan Modra <amodra@gmail.com>
8314 * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8315 stays a reg. Allow a const_int.
8316 * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8317 * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8318 (IS_NOMARK_TLSGETADDR): Define.
8319 * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8320 (rs6000_output_tlsargs): New function.
8321 (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8322 __tls_get_addr call takes an arg.
8323 (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8324 * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8326 (call_value_nonlocal_sysv): ..or here, delete split.
8327 (tls_gdld_nomark): Delete.
8328 (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8329 predicate. Call rs6000_output_tlsargs. Adjust length to suit.
8330 (call_value_nonlocal_sysv): Likewise.
8331 (call_value_nonlocal_sysv_secure): Likewise.
8332 (call_value_nonlocal_aix): Likewise.
8333 (call_value_indirect_aix): Likewise.
8334 (call_value_indirect_elfv2): Likewise.
8335 (call_value_local32, call_value_local64): Disable for no-mark tls.
8336 (call_value_local_aix): Likewise.
8338 2019-01-21 Uroš Bizjak <ubizjak@gmail.com>
8341 * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8342 case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8344 2019-01-21 Michael Ploujnikov <michael.ploujnikov@oracle.com>
8346 * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8347 string contents as hash_map keys.
8349 2019-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
8352 * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8353 for rvalue context. Handle rvalues correctly. Use min_align_of_type
8354 instead of TYPE_ALIGN.
8355 (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8356 Use min_align_of_type instead of TYPE_ALIGN_UNIT. Check for NULL
8357 pointer from TYPE_STUB_DECL.
8359 2019-01-21 Richard Biener <rguenther@suse.de>
8361 PR tree-optimization/88934
8362 * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8363 at the possibly non-constant operand.
8364 (vect_get_constant_vectors): Adjust.
8366 2019-01-21 H.J. Lu <hongjiu.lu@intel.com>
8369 * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8370 * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8371 instead of _X86INTRIN_H_INCLUDED.
8372 * onfig/i386/clwbintrin.h: Likewise.
8373 * config/i386/pkuintrin.h: Likewise.
8374 * config/i386/prfchwintrin.h: Likewise.
8375 * config/i386/rdseedintrin.h: Likewise.
8376 * config/i386/wbnoinvdintrin.h: Likewise.
8377 * config/i386/xsavecintrin.h: Likewise.
8378 * config/i386/xsavesintrin.h: Likewise.
8379 * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8380 * config/i386/xsaveintrin.h: Likewise.
8381 * config/i386/xsaveoptintrin.h: Likewise.
8382 * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8383 <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8384 <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8385 <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8386 <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8387 * config/i386/immintrin.h: Here.
8389 2019-01-20 Martin Jambor <mjambor@suse.cz>
8392 * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8393 with aa_walk_budget.
8394 * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8395 aa_walk_budget_p parameter.
8396 * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi. Limit AA
8397 walk. Updated all callers.
8398 (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8399 (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8401 (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8402 parameter info. Extract info from fbi. Pass fbi to recursive calls
8403 and to unmodified_parm.
8404 (phi_result_unknown_predicate): New parameter fbi, removed parameter
8405 info, updated call to will_be_nonconstant_expr_predicate.
8406 (param_change_prob): New parameter fbi, limit AA walking.
8407 (analyze_function_body): Initialize aa_walk_budget in fbi. Update
8408 calls to various above functions.
8409 * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8410 parameter. Use it to limit AA walking.
8411 * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8413 (detect_type_change): New parameter fbi, pass it on to
8414 detect_type_change_from_memory_writes.
8415 (detect_type_change_ssa): Likewise.
8416 (aa_overwalked): Removed.
8417 (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8418 accordingly, adjust to the neew AA limiting scheme.
8419 (parm_ref_data_preserved_p): Likewise.
8420 (ipa_compute_jump_functions_for_edge): Adjust call to
8422 (ipa_analyze_call_uses): Likewise.
8423 (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8424 (ipa_analyze_node): Initialize aa_walk_budget.
8425 (ipcp_transform_function): Likewise.
8426 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8427 to get_dynamic_type.
8429 2019-01-19 Jakub Jelinek <jakub@redhat.com>
8431 * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8432 outside of #if CHECKING_P code.
8434 2019-01-19 Richard Sandiford <richard.sandiford@arm.com>
8436 * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8437 New function, split out from...
8438 (loop_versioning::analyze_stride): ...here.
8439 (loop_versioning::find_per_loop_multiplication): Use gassign.
8440 (loop_versioning::analyze_term_using_scevs): Return a success code.
8441 (loop_versioning::analyze_arbitrary_term): New function.
8442 (loop_versioning::analyze_address_fragment): Use
8443 analyze_arbitrary_term if all else fails.
8445 2019-01-18 Segher Boessenkool <segher@kernel.crashing.org>
8448 * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8451 2019-01-18 Richard Biener <rguenther@suse.de>
8453 PR tree-optimization/88903
8454 * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8455 scalar stmts a SLP shift amount is composed of when detecting
8458 2019-01-18 Richard Earnshaw <rearnsha@arm.com>
8461 * config/arm/arm-cpus.in (mp): New feature.
8463 (fgroup ARMv7ve): Add mp and sec features.
8464 (arch armv7-a): Add options to allow mp and sec extensions.
8465 (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8466 (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8467 extenstions to the base architecture.
8468 (cpu cortex-a8): Add sec extension to the base architecture.
8469 (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8470 * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8471 variants down to the base v7-a varaint.
8472 * config/arm/t-multilib (v7_a_arch_variants): New variable.
8473 * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8474 of permitted extensions for -march=armv7-a and for
8475 -mcpu=generic-armv7-a.
8477 2019-01-18 Martin Liska <mliska@suse.cz>
8479 * params.def: Fix comment.
8480 * tree-profile.c (gimple_init_gcov_profiler): Bump function
8482 (gimple_gen_ic_func_profiler): Likewise.
8484 2019-01-18 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8486 * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8487 * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8488 and put in error checks for stack protector guard options.
8489 (aarch64_stack_protect_guard): New.
8490 (TARGET_STACK_PROTECT_GUARD): Define.
8491 * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8492 (reg_stack_protect_address<mode>): New.
8493 (stack_protect_set): Adjust for SSP_GLOBAL.
8494 (stack_protect_test): Likewise.
8495 * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8496 (-mstack-protector-guard): Likewise.
8497 (-mstack-protector-guard-offset): Likewise.
8499 2019-01-18 Jakub Jelinek <jakub@redhat.com>
8501 PR tree-optimization/86214
8502 * tree-inline.h (struct copy_body_data): Add
8503 add_clobbers_to_eh_landing_pads member.
8504 * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8505 (copy_edges_for_bb): Call it if EH edge destination is <
8506 id->add_clobbers_to_eh_landing_pads. Fix a comment typo.
8507 (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8508 if flag_stack_reuse != SR_NONE and clear it afterwards.
8510 2019-01-18 Christophe Lyon <christophe.lyon@linaro.org>
8513 * doc/install.texi (with-multilib-list): Document for aarch64.
8515 2019-01-18 Jakub Jelinek <jakub@redhat.com>
8518 * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8519 (("..."))) with ("...").
8521 2019-01-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
8523 * doc/extend.texi (Built-in Functions for Memory Model Aware
8524 Atomic Operations): Document atomic fetch and nand.
8526 2019-01-18 Martin Liska <mliska@suse.cz>
8527 Richard Biener <rguenther@suse.de>
8530 * cgraph.h (create_version_clone_with_body): Add new argument
8532 * cgraphclones.c (cgraph_node::create_version_clone): Add
8533 DECL_ATTRIBUTES to a newly created decl. And call
8534 valid_attribute_p so that proper cl_target_optimization_node
8535 is set for the newly created declaration.
8536 * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8538 (expand_target_clones): Do not call valid_attribute_p, it must
8540 * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8543 2019-01-17 Jakub Jelinek <jakub@redhat.com>
8546 * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8547 (("..."))) with ("..."). Use arch=armv8.2-a+sha3 instead of
8548 arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8550 2019-01-17 Martin Sebor <msebor@redhat.com>
8553 * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8554 Handle anti-ranges the same as no range at all.
8556 2018-01-17 Steve Ellcey <sellcey@cavium.com>
8558 * config/aarch64/aarch64.c (cgraph.h): New include.
8559 (intl.h): New include.
8560 (supported_simd_type): New function.
8561 (currently_supported_simd_type): Ditto.
8562 (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8563 (aarch64_simd_clone_adjust): Ditto.
8564 (aarch64_simd_clone_usable): Ditto.
8565 (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8566 (TARGET_SIMD_CLONE_ADJUST): Ditto.
8567 (TARGET_SIMD_CLONE_USABLE): Ditto.
8568 * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8569 * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8572 2019-01-17 Martin Sebor <msebor@redhat.com>
8574 PR tree-optimization/88800
8575 * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8576 NO_WARNING bit here. Avoid folding out-of-bounds calls.
8577 * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8578 redundant argument. Add new argument and issue diagnostics under
8579 its control. Detect out-of-bounds access even with warnings
8581 (check_bounds_or_overlap): Change return type. Add argument.
8582 (wrestrict_dom_walker::check_call): Adjust.
8583 * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8584 * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8585 check_bounds_or_overlap's return value.
8586 (handle_builtin_stxncpy): Same.
8587 (handle_builtin_strcat): Same.
8589 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
8590 Kwok Cheung Yeung <kcy@codesourcery.com>
8591 Julian Brown <julian@codesourcery.com>
8592 Tom de Vries <tom@codesourcery.com>
8594 * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8596 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
8598 * doc/sourcebuild.texi: Document dg-require-effective-target
8599 llvm_binutils and offload_gcn.
8601 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
8602 Kwok Cheung Yeung <kcy@codesourcery.com>
8603 Julian Brown <julian@codesourcery.com>
8604 Tom de Vries <tom@codesourcery.com>
8606 * doc/sourcebuild.texi: Document dg-required-effective-target
8609 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
8610 Kwok Cheung Yeung <kcy@codesourcery.com>
8611 Julian Brown <julian@codesourcery.com>
8612 Tom de Vries <tom@codesourcery.com>
8613 Jan Hubicka <hubicka@ucw.cz>
8614 Martin Jambor <mjambor@suse.cz>
8616 * config.gcc: Add amdgcn*-*-amdhsa configuration.
8617 * configure.ac: Check for dlopen.
8618 * configure: Regenerate.
8620 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
8621 Kwok Cheung Yeung <kcy@codesourcery.com>
8622 Julian Brown <julian@codesourcery.com>
8623 Tom de Vries <tom@codesourcery.com>
8624 Jan Hubicka <hubicka@ucw.cz>
8625 Martin Jambor <mjambor@suse.cz>
8627 * common/config/gcn/gcn-common.c: New file.
8628 * config/gcn/driver-gcn.c: New file.
8629 * config/gcn/gcn-builtins.def: New file.
8630 * config/gcn/gcn-hsa.h: New file.
8631 * config/gcn/gcn-modes.def: New file.
8632 * config/gcn/gcn-opts.h: New file.
8633 * config/gcn/gcn-passes.def: New file.
8634 * config/gcn/gcn-protos.h: New file.
8635 * config/gcn/gcn-run.c: New file.
8636 * config/gcn/gcn-tree.c: New file.
8637 * config/gcn/gcn.c: New file.
8638 * config/gcn/gcn.h: New file.
8639 * config/gcn/gcn.opt: New file.
8640 * config/gcn/t-gcn-hsa: New file.
8642 2019-01-17 Andrew Stubbs <ams@codesourcery.com>
8643 Kwok Cheung Yeung <kcy@codesourcery.com>
8644 Julian Brown <julian@codesourcery.com>
8645 Tom de Vries <tom@codesourcery.com>
8646 Jan Hubicka <hubicka@ucw.cz>
8647 Martin Jambor <mjambor@suse.cz>
8649 * config/gcn/constraints.md: New file.
8650 * config/gcn/gcn-valu.md: New file.
8651 * config/gcn/gcn.md: New file.
8652 * config/gcn/predicates.md: New file.
8654 2019-01-17 Eric Botcazou <ebotcazou@adacore.com>
8656 * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8657 flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8658 (stmt_uses_0_or_null_in_undefined_way): Likewise.
8659 * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8661 2019-01-17 Tamar Christina <tamar.christina@arm.com>
8664 * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8665 * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8666 it and document registers.
8668 2019-01-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8670 * config/aarch64/aarch64.c (ares_tunings): Define.
8671 * config/aarch64/aarch64-cores.def (ares): Use the above.
8673 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
8677 2018-11-06 Wei Xiao <wei3.xiao@intel.com>
8679 * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8680 (_mm512_fixupimm_round_pd): Update parameters and builtin.
8681 (_mm512_maskz_fixupimm_round_pd): Ditto.
8682 (_mm512_fixupimm_round_ps): Ditto.
8683 (_mm512_maskz_fixupimm_round_ps): Ditto.
8684 (_mm_fixupimm_round_sd): Ditto.
8685 (_mm_maskz_fixupimm_round_sd): Ditto.
8686 (_mm_fixupimm_round_ss): Ditto.
8687 (_mm_maskz_fixupimm_round_ss): Ditto.
8688 (_mm512_fixupimm_pd): Ditto.
8689 (_mm512_maskz_fixupimm_pd): Ditto.
8690 (_mm512_fixupimm_ps): Ditto.
8691 (_mm512_maskz_fixupimm_ps): Ditto.
8692 (_mm_fixupimm_sd): Ditto.
8693 (_mm_maskz_fixupimm_sd): Ditto.
8694 (_mm_fixupimm_ss): Ditto.
8695 (_mm_maskz_fixupimm_ss): Ditto.
8696 (_mm512_mask_fixupimm_round_pd): Update builtin.
8697 (_mm512_mask_fixupimm_round_ps): Ditto.
8698 (_mm_mask_fixupimm_round_sd): Ditto.
8699 (_mm_mask_fixupimm_round_ss): Ditto.
8700 (_mm512_mask_fixupimm_pd): Ditto.
8701 (_mm512_mask_fixupimm_ps): Ditto.
8702 (_mm_mask_fixupimm_sd): Ditto.
8703 (_mm_mask_fixupimm_ss): Ditto.
8704 * config/i386/avx512vlintrin.h:
8705 (_mm256_fixupimm_pd): Update parameters and builtin.
8706 (_mm256_maskz_fixupimm_pd): Ditto.
8707 (_mm256_fixupimm_ps): Ditto.
8708 (_mm256_maskz_fixupimm_ps): Ditto.
8709 (_mm_fixupimm_pd): Ditto.
8710 (_mm_maskz_fixupimm_pd): Ditto.
8711 (_mm_fixupimm_ps): Ditto.
8712 (_mm_maskz_fixupimm_ps): Ditto.
8713 (_mm256_mask_fixupimm_pd): Update builtin.
8714 (_mm256_mask_fixupimm_ps): Ditto.
8715 (_mm_mask_fixupimm_pd): Ditto.
8716 (_mm_mask_fixupimm_ps): Ditto.
8717 * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8718 * config/i386/i386-builtin.def: Update builtin definitions.
8719 * config/i386/i386.c: Handle new builtin types and remove useless ones.
8720 * config/i386/sse.md: Update VFIXUPIMM* patterns.
8721 (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8722 (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8723 (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8724 (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8725 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8726 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8727 * config/i386/subst.md:
8728 (round_saeonly_sd_mask_operand4): Add new subst_attr.
8729 (round_saeonly_sd_mask_op4): Ditto.
8730 (round_saeonly_expand_operand5): Ditto.
8731 (round_saeonly_expand): Update.
8733 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
8737 2018-11-12 Wei Xiao <wei3.xiao@intel.com>
8739 * config/i386/sse.md: Combine VFIXUPIMM* patterns
8740 (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8741 (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8742 (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8743 (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8744 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8745 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8747 2019-01-17 Wei Xiao <wei3.xiao@intel.com>
8751 2018-12-15 Jakub Jelinek <jakub@redhat.com>
8754 * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8755 (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8756 instead of UNSPEC_FIXUPIMM.
8758 2019-01-17 Richard Biener <rguenther@suse.de>
8761 * dwarf2out.c (want_pubnames): Never generate pubnames sections
8762 and friends for the LTO part of debug info.
8764 2019-01-17 Jakub Jelinek <jakub@redhat.com>
8766 PR tree-optimization/86214
8767 * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8770 PR rtl-optimization/88870
8771 * dce.c (deletable_insn_p): Never delete const/pure calls that can
8772 throw if we can't alter the cfg or delete dead exceptions.
8773 (mark_insn): Don't call find_call_stack_args for such calls.
8775 2019-01-17 Kewen Lin <linkw@gcc.gnu.org>
8777 * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8778 prototypes for vec_st.
8779 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8780 for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8781 mainly on signed/unsigned long long and double.
8783 2019-01-16 David Malcolm <dmalcolm@redhat.com>
8786 * combine.c (delete_noop_moves): Convert to "bool" return,
8787 returning true if any edges are eliminated.
8788 (combine_instructions): Also return true if delete_noop_moves
8791 2019-01-16 Tamar Christina <tamar.christina@arm.com>
8793 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8794 correct max nunits for endian swap.
8795 (aarch64_expand_fcmla_builtin): Correct subreg code.
8796 * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8797 aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8800 2019-01-16 Uroš Bizjak <ubizjak@gmail.com>
8802 * config/alpha/alpha.c (alpha_gimplify_va_arg):
8803 Handle split indirect COMPLEX_TYPE arguments.
8805 2019-01-16 Richard Earnshaw <rearnsha@arm.com>
8808 * config/aarch64/aarch64-modes.def: Add comment about how the carry
8809 bit is set by add and compare.
8810 (CC_ADC): New CC_MODE.
8811 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8812 to cache the code and mode of X. Adjust the shape of a CC_Cmode
8813 comparison. Add detection for CC_ADCmode.
8814 (aarch64_get_condition_code_1): Update code support for CC_Cmode. Add
8816 * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8817 (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8818 (add<mode>3_compareC_cconly_imm): Delete. Merge into...
8819 (add<mode>3_compareC_cconly): ... this. Restructure the comparison
8820 to eliminate the need for zero-extending the operands.
8821 (add<mode>3_compareC_imm): Delete. Merge into ...
8822 (add<mode>3_compareC): ... this. Restructure the comparison to
8823 eliminate the need for zero-extending the operands.
8824 (add<mode>3_carryin): Use LTU for the overflow detection.
8825 (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8826 Reexpress comparison for overflow.
8827 (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8828 (add<mode>3_carryinC): Likewise.
8829 (add<mode>3_carryinV): Use LTU for carry between partials.
8830 * config/aarch64/predicates.md (aarch64_carry_operation): Update
8831 handling of CC_Cmode and add CC_ADCmode.
8832 (aarch64_borrow_operation): Likewise.
8834 2019-01-16 Tamar Christina <tamar.christina@arm.com>
8836 * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8837 * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8838 * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8839 neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8841 2019-01-16 Martin Liska <mliska@suse.cz>
8843 * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8845 * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8847 * gcc.c (add_sysrooted_hdrs_prefix): New function.
8848 (path_prefix_reset): Move up in the source file.
8849 (find_fortran_preinclude_file): Make complex search for the
8850 fortran header files.
8852 2019-01-15 Nikhil Benesch <nikhil.benesch@gmail.com>
8854 * godump.c (go_output_typedef): When outputting a typedef, refer
8855 to the underlying type by its name and not its structure.
8857 2019-01-15 David Malcolm <dmalcolm@redhat.com>
8860 * tree.c (build_function_type): Assert that arg_types is not
8863 2019-01-15 Richard Sandiford <richard.sandiford@arm.com>
8866 * doc/extend.texi: Document that listing the stack pointer in the
8867 clobber list of an asm is a deprecated feature.
8868 * common.opt (Wdeprecated): Moved from c-family/c.opt.
8869 * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8870 warning instead of an error for clobbers of the stack pointer.
8871 Add a note explaining why.
8873 2019-01-15 Richard Biener <rguenther@suse.de>
8876 * dwarf2out.c (gen_member_die): Do not generate inheritance
8879 2019-01-15 Richard Biener <rguenther@suse.de>
8881 PR tree-optimization/88855
8882 * tree-if-conv.c (combine_blocks): Collect
8883 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8885 2019-01-15 Tom de Vries <tdevries@suse.de>
8888 * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8889 lhs == NULL_TREE for gang-level reduction.
8891 2019-01-15 Richard Biener <rguenther@suse.de>
8892 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
8895 * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8896 return true if SSA_NAME is already marked in visited bitmap.
8897 (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8899 2019-01-15 Jakub Jelinek <jakub@redhat.com>
8901 PR tree-optimization/88775
8902 * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8903 equal == 0 equality pointer comparisons some more if compared in
8904 integral types and either one points to an automatic var and the
8905 other to a global, or we can prove at least one points to the middle
8906 or both point to start or both point to end.
8908 2019-01-14 Andi Kleen <ak@linux.intel.com>
8910 * Makefile.in: Lower autofdo sampling rate by 10x.
8911 * Makefile.tpl: Dito.
8913 2019-01-14 Tom Honermann <tom@honermann.net>
8915 * defaults.h: Define CHAR8_TYPE.
8917 2019-01-14 Martin Sebor <msebor@redhat.com>
8920 * doc/extend.texi (Darwin Format Checks): Clarify.
8922 2019-01-14 Richard Biener <rguenther@suse.de>
8924 * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8925 whether we are in (simplify ...) or (match ...) context.
8927 2019-01-14 Jakub Jelinek <jakub@redhat.com>
8929 PR rtl-optimization/88796
8930 * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8931 * cfgexpand.c (stack_protect_prologue): Initialize
8932 crtl->stack_protect_guard_decl.
8933 * function.c (stack_protect_epilogue): Use it instead of calling
8934 targetm.stack_protect_guard again.
8935 * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8936 MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8937 crtl->stack_protect_guard_decl.
8938 * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8939 on the returned MEM_EXPR.
8941 2019-01-12 Tom de Vries <tdevries@suse.de>
8943 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8944 vector length using -fopenacc-dim.
8946 2019-01-12 Tom de Vries <tdevries@suse.de>
8948 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8949 lengths into account.
8951 2019-01-12 Svante Signell <svante.signell@gmail.com>
8953 * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8954 (TARGET_CAN_SPLIT_STACK): Define.
8955 (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8957 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
8959 * params.def (inline-unit-growth): Set to 40.
8961 2019-01-12 Jakub Jelinek <jakub@redhat.com>
8963 * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8965 2019-01-12 Tom de Vries <tdevries@suse.de>
8967 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8968 region calling vector-partitionable routine, set default_vector_length
8971 2019-01-12 Tom de Vries <tdevries@suse.de>
8973 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8974 variable default_vector_length.
8976 2019-01-12 Tom de Vries <tdevries@suse.de>
8979 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8980 from oacc_default_dims, as oacc_validate_dims would do it, and apply
8983 2019-01-12 Tom de Vries <tdevries@suse.de>
8985 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8986 (nvptx_goacc_validate_dims): Add used parameter.
8987 * doc/tm.texi: Regenerate.
8988 * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8989 argument to call to targetm.goacc.validate_dims.
8990 (default_goacc_validate_dims): Add used
8992 * target.def (validate_dims): Add used parameter in DEFHOOK.
8993 * targhooks.h (default_goacc_validate_dims): Add used parameter.
8995 2019-01-11 Jakub Jelinek <jakub@redhat.com>
8999 * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9001 * tree-inline.c (remap_type_1): Formatting fix. If TYPE_MAX_VALUE of
9002 ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9003 a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9004 * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9006 2019-01-11 Vladimir Makarov <vmakarov@redhat.com>
9008 PR rtl-optimization/87305
9010 (setup_live_pseudos_and_spill_after_risky_transforms): Add code
9011 for little endian pseudos used as paradoxical subreg.
9013 2019-01-11 Jakub Jelinek <jakub@redhat.com>
9015 PR tree-optimization/88693
9016 * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
9017 for STRING_CSTs that don't contain any NUL characters in the first
9018 TREE_STRING_LENGTH bytes.
9020 2019-01-11 Alan Modra <amodra@gmail.com>
9024 * genattrtab.c (min_fn): Don't translate values.
9025 (min_attr_value): Return INT_MAX when the value can't be calculated.
9026 Return minimum among any values that can be calculated.
9027 (max_attr_value): Adjust.
9029 2019-01-11 Jakub Jelinek <jakub@redhat.com>
9031 * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
9033 2019-01-11 Steve Ellcey <sellcey@marvell.com>
9035 * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9036 (aarch64_hard_regno_call_part_clobbered): Add insn argument.
9037 (aarch64_return_call_with_max_clobbers): New function.
9038 (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
9039 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
9041 * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
9042 * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
9043 * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
9044 * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
9045 * cselib.c (cselib_process_insn): Add argument to
9046 targetm.hard_regno_call_part_clobbered call.
9047 * ira-conflicts.c (ira_build_conflicts): Ditto.
9048 * ira-costs.c (ira_tune_allocno_costs): Ditto.
9049 * lra-constraints.c (inherit_reload_reg): Ditto.
9050 * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
9051 * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
9052 argument. Call targetm.return_call_with_max_clobbers.
9053 Add argument to targetm.hard_regno_call_part_clobbered call.
9054 (calls_have_same_clobbers_p): New function.
9055 (process_bb_lives): Add call_insn and last_call_insn variables.
9056 Pass call_insn to check_pseudos_live_through_calls.
9057 Modify if stmt to check targetm.return_call_with_max_clobbers.
9058 Update setting of flush variable.
9059 (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
9061 * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
9062 * regcprop.c (copyprop_hardreg_forward_1): Add argument to
9063 targetm.hard_regno_call_part_clobbered call.
9064 * reginfo.c (choose_hard_reg_mode): Ditto.
9065 * regrename.c (check_new_reg_p): Ditto.
9066 * reload.c (find_equiv_reg): Ditto.
9067 * reload1.c (emit_reload_insns): Ditto.
9068 * sched-deps.c (deps_analyze_insn): Ditto.
9069 * sel-sched.c (init_regs_for_mode): Ditto.
9070 (mark_unavailable_hard_regs): Ditto.
9071 * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
9072 * target.def (hard_regno_call_part_clobbered): Add insn argument.
9073 (return_call_with_max_clobbers): New target function.
9074 * doc/tm.texi: Regenerate.
9075 * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
9076 * hooks.c (hook_bool_uint_mode_false): Change to
9077 hook_bool_insn_uint_mode_false.
9078 * hooks.h (hook_bool_uint_mode_false): Ditto.
9080 2019-01-11 Steve Ellcey <sellcey@marvell.com>
9082 * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9083 (aarch64_remove_extra_call_preserved_regs): New function.
9084 (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
9085 * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
9086 * doc/tm.texi: Regenerate.
9087 * final.c (get_call_reg_set_usage): Call new hook.
9088 * target.def (remove_extra_call_preserved_regs): New hook.
9089 * targhooks.c (default_remove_extra_call_preserved_regs): New function.
9090 * targhooks.h (default_remove_extra_call_preserved_regs): New function.
9092 2019-01-11 Jakub Jelinek <jakub@redhat.com>
9095 * passes.c (finish_optimization_passes): Call print_combine_total_stats
9096 inside of pass_combine_1 dump rather than pass_profile_1.
9098 2019-01-11 Tom de Vries <tdevries@suse.de>
9100 * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
9101 (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
9102 (PTX_NUM_PER_WORKER_BARRIERS): Define.
9103 (nvptx_apply_dim_limits): Prevent vector_length 64 and
9106 2019-01-11 Tom de Vries <tdevries@suse.de>
9108 * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
9110 2019-01-11 Jan Beulich <jbeulich@suse.com>
9112 * config/i386/i386.md (rex64suffix): Add L suffix for SI.
9113 * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
9114 sse2_cvtsi2sd): Add {l}.
9115 (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
9118 2019-01-10 Jakub Jelinek <jakub@redhat.com>
9121 * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
9123 (*float<floatunssuffix>v2div2sf2): New define_insn.
9124 (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
9125 (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
9126 (*float<floatunssuffix>v2div2sf2_mask_1): Replace
9127 subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
9128 match_operands with "const0_operand" "C".
9130 2019-01-10 Tamar Christina <tamar.christina@arm.com>
9132 * config/aarch64/aarch64-builtins.c
9133 (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
9134 (aarch64_init_simd_builtins): ...Here
9136 2019-01-10 Vladimir Makarov <vmakarov@redhat.com>
9138 PR rtl-optimization/87305
9140 (setup_live_pseudos_and_spill_after_risky_transforms): Check
9141 allocation for big endian pseudos used as paradoxical subregs and
9142 spill them if it is wrong.
9143 * lra-constraints.c (lra_constraints): Add a comment.
9145 2019-01-10 Richard Biener <rguenther@suse.de>
9147 PR tree-optimization/88792
9148 * tree-ssa-pre.c (get_representative_for): Do not return a
9151 2019-01-10 Jakub Jelinek <jakub@redhat.com>
9155 * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
9156 (assign_parm_setup_block): Do the argument slot realignment here
9159 2019-01-10 Stefan Agner <stefan@agner.ch>
9162 * config/arm/arm.c (arm_option_override_internal): Force
9163 opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
9165 2019-01-10 Jakub Jelinek <jakub@redhat.com>
9168 * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
9171 2019-01-10 Tamar Christina <tamar.christina@arm.com>
9173 * config/arm/arm-builtins.c
9174 (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
9175 (MAC_LANE_PAIR_QUALIFIERS): New.
9176 (arm_expand_builtin_args): Use it.
9177 (arm_expand_builtin_1): Likewise.
9178 * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
9179 * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
9180 * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
9181 * config/arm/arm_neon.h:
9182 (vcadd_rot90_f16): New.
9183 (vcaddq_rot90_f16): New.
9184 (vcadd_rot270_f16): New.
9185 (vcaddq_rot270_f16): New.
9188 (vcmla_lane_f16): New.
9189 (vcmla_laneq_f16): New.
9190 (vcmlaq_lane_f16): New.
9191 (vcmlaq_laneq_f16): New.
9192 (vcmla_rot90_f16): New.
9193 (vcmlaq_rot90_f16): New.
9194 (vcmla_rot90_lane_f16): New.
9195 (vcmla_rot90_laneq_f16): New.
9196 (vcmlaq_rot90_lane_f16): New.
9197 (vcmlaq_rot90_laneq_f16): New.
9198 (vcmla_rot180_f16): New.
9199 (vcmlaq_rot180_f16): New.
9200 (vcmla_rot180_lane_f16): New.
9201 (vcmla_rot180_laneq_f16): New.
9202 (vcmlaq_rot180_lane_f16): New.
9203 (vcmlaq_rot180_laneq_f16): New.
9204 (vcmla_rot270_f16): New.
9205 (vcmlaq_rot270_f16): New.
9206 (vcmla_rot270_lane_f16): New.
9207 (vcmla_rot270_laneq_f16): New.
9208 (vcmlaq_rot270_lane_f16): New.
9209 (vcmlaq_rot270_laneq_f16): New.
9210 (vcadd_rot90_f32): New.
9211 (vcaddq_rot90_f32): New.
9212 (vcadd_rot270_f32): New.
9213 (vcaddq_rot270_f32): New.
9216 (vcmla_lane_f32): New.
9217 (vcmla_laneq_f32): New.
9218 (vcmlaq_lane_f32): New.
9219 (vcmlaq_laneq_f32): New.
9220 (vcmla_rot90_f32): New.
9221 (vcmlaq_rot90_f32): New.
9222 (vcmla_rot90_lane_f32): New.
9223 (vcmla_rot90_laneq_f32): New.
9224 (vcmlaq_rot90_lane_f32): New.
9225 (vcmlaq_rot90_laneq_f32): New.
9226 (vcmla_rot180_f32): New.
9227 (vcmlaq_rot180_f32): New.
9228 (vcmla_rot180_lane_f32): New.
9229 (vcmla_rot180_laneq_f32): New.
9230 (vcmlaq_rot180_lane_f32): New.
9231 (vcmlaq_rot180_laneq_f32): New.
9232 (vcmla_rot270_f32): New.
9233 (vcmlaq_rot270_f32): New.
9234 (vcmla_rot270_lane_f32): New.
9235 (vcmla_rot270_laneq_f32): New.
9236 (vcmlaq_rot270_lane_f32): New.
9237 (vcmlaq_rot270_laneq_f32): New.
9238 * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9239 vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9240 vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9241 vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9242 vcmlaq_lane270): New.
9243 * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9244 neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9245 * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9246 * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9247 (arm_option_reconfigure_globals): Use them.
9248 * config/arm/iterators.md (VDF, VQ_HSF): New.
9249 (VCADD, VCMLA): New.
9250 (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9251 * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9253 * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9254 UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9256 2019-01-10 Tamar Christina <tamar.christina@arm.com>
9258 * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9259 Add qualifier_lane_pair_index.
9260 (emit-rtl.h): Include.
9261 (TYPES_QUADOP_LANE_PAIR): New.
9262 (aarch64_simd_expand_args): Use it.
9263 (aarch64_simd_expand_builtin): Likewise.
9264 (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9266 (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9267 AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9268 aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9269 (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9270 (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9271 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9272 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9273 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9274 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9275 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9276 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9277 AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9278 * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9279 * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9280 Add __ARM_FEATURE_COMPLEX.
9281 * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9282 fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9283 fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9284 fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9285 fcmlaq_lane270): New.
9286 * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9287 aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9288 aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9289 * config/aarch64/arm_neon.h:
9290 (vcadd_rot90_f16): New.
9291 (vcaddq_rot90_f16): New.
9292 (vcadd_rot270_f16): New.
9293 (vcaddq_rot270_f16): New.
9296 (vcmla_lane_f16): New.
9297 (vcmla_laneq_f16): New.
9298 (vcmlaq_lane_f16): New.
9299 (vcmlaq_rot90_lane_f16): New.
9300 (vcmla_rot90_laneq_f16): New.
9301 (vcmla_rot90_lane_f16): New.
9302 (vcmlaq_rot90_f16): New.
9303 (vcmla_rot90_f16): New.
9304 (vcmlaq_laneq_f16): New.
9305 (vcmla_rot180_laneq_f16): New.
9306 (vcmla_rot180_lane_f16): New.
9307 (vcmlaq_rot180_f16): New.
9308 (vcmla_rot180_f16): New.
9309 (vcmlaq_rot90_laneq_f16): New.
9310 (vcmlaq_rot270_laneq_f16): New.
9311 (vcmlaq_rot270_lane_f16): New.
9312 (vcmla_rot270_laneq_f16): New.
9313 (vcmlaq_rot270_f16): New.
9314 (vcmla_rot270_f16): New.
9315 (vcmlaq_rot180_laneq_f16): New.
9316 (vcmlaq_rot180_lane_f16): New.
9317 (vcmla_rot270_lane_f16): New.
9318 (vcadd_rot90_f32): New.
9319 (vcaddq_rot90_f32): New.
9320 (vcaddq_rot90_f64): New.
9321 (vcadd_rot270_f32): New.
9322 (vcaddq_rot270_f32): New.
9323 (vcaddq_rot270_f64): New.
9327 (vcmla_lane_f32): New.
9328 (vcmla_laneq_f32): New.
9329 (vcmlaq_lane_f32): New.
9330 (vcmlaq_laneq_f32): New.
9331 (vcmla_rot90_f32): New.
9332 (vcmlaq_rot90_f32): New.
9333 (vcmlaq_rot90_f64): New.
9334 (vcmla_rot90_lane_f32): New.
9335 (vcmla_rot90_laneq_f32): New.
9336 (vcmlaq_rot90_lane_f32): New.
9337 (vcmlaq_rot90_laneq_f32): New.
9338 (vcmla_rot180_f32): New.
9339 (vcmlaq_rot180_f32): New.
9340 (vcmlaq_rot180_f64): New.
9341 (vcmla_rot180_lane_f32): New.
9342 (vcmla_rot180_laneq_f32): New.
9343 (vcmlaq_rot180_lane_f32): New.
9344 (vcmlaq_rot180_laneq_f32): New.
9345 (vcmla_rot270_f32): New.
9346 (vcmlaq_rot270_f32): New.
9347 (vcmlaq_rot270_f64): New.
9348 (vcmla_rot270_lane_f32): New.
9349 (vcmla_rot270_laneq_f32): New.
9350 (vcmlaq_rot270_lane_f32): New.
9351 (vcmlaq_rot270_laneq_f32): New.
9352 * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9353 * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9354 UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9355 (FCADD, FCMLA): New.
9357 * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9359 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
9363 * config/pa/pa.c: Change "can not" to "cannot".
9364 * gimple-ssa-evrp-analyze.c: Likewise.
9365 * ipa-icf.c: Likewise.
9366 * ipa-polymorphic-call.c: Likewise.
9367 * ipa-pure-const.c: Likewise.
9368 * lra-constraints.c: Likewise.
9369 * lra-remat.c: Likewise.
9370 * reload1.c: Likewise.
9371 * reorg.c: Likewise.
9372 * tree-ssa-uninit.c: Likewise.
9374 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
9378 * Makefile.in: Mechanically replace "can not" with "cannot".
9379 * alias.c: Likewise.
9380 * builtins.c: Likewise.
9381 * calls.c: Likewise.
9382 * cgraph.c: Likewise.
9383 * cgraph.h: Likewise.
9384 * cgraphclones.c: Likewise.
9385 * cgraphunit.c: Likewise.
9386 * combine-stack-adj.c: Likewise.
9387 * combine.c: Likewise.
9388 * common/config/i386/i386-common.c: Likewise.
9389 * config/aarch64/aarch64.c: Likewise.
9390 * config/alpha/sync.md: Likewise.
9391 * config/arc/arc.c: Likewise.
9392 * config/arc/predicates.md: Likewise.
9393 * config/arm/arm-c.c: Likewise.
9394 * config/arm/arm.c: Likewise.
9395 * config/arm/arm.h: Likewise.
9396 * config/arm/arm.md: Likewise.
9397 * config/arm/cortex-r4f.md: Likewise.
9398 * config/csky/csky.c: Likewise.
9399 * config/csky/csky.h: Likewise.
9400 * config/darwin-f.c: Likewise.
9401 * config/epiphany/epiphany.md: Likewise.
9402 * config/i386/i386.c: Likewise.
9403 * config/i386/sol2.h: Likewise.
9404 * config/m68k/m68k.c: Likewise.
9405 * config/mcore/mcore.h: Likewise.
9406 * config/microblaze/microblaze.md: Likewise.
9407 * config/mips/20kc.md: Likewise.
9408 * config/mips/sb1.md: Likewise.
9409 * config/nds32/nds32.c: Likewise.
9410 * config/nds32/predicates.md: Likewise.
9411 * config/pa/pa.c: Likewise.
9412 * config/rs6000/e300c2c3.md: Likewise.
9413 * config/rs6000/rs6000.c: Likewise.
9414 * config/s390/s390.h: Likewise.
9415 * config/sh/sh.c: Likewise.
9416 * config/sh/sh.md: Likewise.
9417 * config/spu/vmx2spu.h: Likewise.
9418 * cprop.c: Likewise.
9419 * dbxout.c: Likewise.
9420 * df-scan.c: Likewise.
9421 * doc/cfg.texi: Likewise.
9422 * doc/extend.texi: Likewise.
9423 * doc/fragments.texi: Likewise.
9424 * doc/gty.texi: Likewise.
9425 * doc/invoke.texi: Likewise.
9426 * doc/lto.texi: Likewise.
9427 * doc/md.texi: Likewise.
9428 * doc/objc.texi: Likewise.
9429 * doc/rtl.texi: Likewise.
9430 * doc/tm.texi: Likewise.
9432 * emit-rtl.c: Likewise.
9433 * emit-rtl.h: Likewise.
9434 * except.c: Likewise.
9435 * expmed.c: Likewise.
9437 * fold-const.c: Likewise.
9438 * genautomata.c: Likewise.
9439 * gimple-fold.c: Likewise.
9440 * hard-reg-set.h: Likewise.
9441 * ifcvt.c: Likewise.
9442 * ipa-comdats.c: Likewise.
9443 * ipa-cp.c: Likewise.
9444 * ipa-devirt.c: Likewise.
9445 * ipa-fnsummary.c: Likewise.
9446 * ipa-icf.c: Likewise.
9447 * ipa-inline-transform.c: Likewise.
9448 * ipa-inline.c: Likewise.
9449 * ipa-polymorphic-call.c: Likewise.
9450 * ipa-profile.c: Likewise.
9451 * ipa-prop.c: Likewise.
9452 * ipa-pure-const.c: Likewise.
9453 * ipa-reference.c: Likewise.
9454 * ipa-split.c: Likewise.
9455 * ipa-visibility.c: Likewise.
9457 * ira-build.c: Likewise.
9458 * ira-color.c: Likewise.
9459 * ira-conflicts.c: Likewise.
9460 * ira-costs.c: Likewise.
9461 * ira-int.h: Likewise.
9462 * ira-lives.c: Likewise.
9465 * loop-invariant.c: Likewise.
9466 * loop-unroll.c: Likewise.
9467 * lower-subreg.c: Likewise.
9468 * lra-assigns.c: Likewise.
9469 * lra-constraints.c: Likewise.
9470 * lra-eliminations.c: Likewise.
9471 * lra-lives.c: Likewise.
9472 * lra-remat.c: Likewise.
9473 * lra-spills.c: Likewise.
9475 * lto-cgraph.c: Likewise.
9476 * lto-streamer-out.c: Likewise.
9477 * postreload-gcse.c: Likewise.
9478 * predict.c: Likewise.
9479 * profile-count.h: Likewise.
9480 * profile.c: Likewise.
9481 * recog.c: Likewise.
9483 * reload.c: Likewise.
9484 * reload1.c: Likewise.
9485 * reorg.c: Likewise.
9486 * resource.c: Likewise.
9487 * rtl.def: Likewise.
9489 * rtlanal.c: Likewise.
9490 * sched-deps.c: Likewise.
9491 * sched-ebb.c: Likewise.
9492 * sched-rgn.c: Likewise.
9493 * sel-sched-ir.c: Likewise.
9494 * sel-sched.c: Likewise.
9495 * shrink-wrap.c: Likewise.
9496 * simplify-rtx.c: Likewise.
9497 * symtab.c: Likewise.
9498 * target.def: Likewise.
9499 * toplev.c: Likewise.
9500 * tree-call-cdce.c: Likewise.
9501 * tree-cfg.c: Likewise.
9502 * tree-complex.c: Likewise.
9503 * tree-core.h: Likewise.
9504 * tree-eh.c: Likewise.
9505 * tree-inline.c: Likewise.
9506 * tree-loop-distribution.c: Likewise.
9507 * tree-nrv.c: Likewise.
9508 * tree-profile.c: Likewise.
9509 * tree-sra.c: Likewise.
9510 * tree-ssa-alias.c: Likewise.
9511 * tree-ssa-dce.c: Likewise.
9512 * tree-ssa-dom.c: Likewise.
9513 * tree-ssa-forwprop.c: Likewise.
9514 * tree-ssa-loop-im.c: Likewise.
9515 * tree-ssa-loop-ivcanon.c: Likewise.
9516 * tree-ssa-loop-ivopts.c: Likewise.
9517 * tree-ssa-loop-niter.c: Likewise.
9518 * tree-ssa-phionlycprop.c: Likewise.
9519 * tree-ssa-phiopt.c: Likewise.
9520 * tree-ssa-propagate.c: Likewise.
9521 * tree-ssa-threadedge.c: Likewise.
9522 * tree-ssa-threadupdate.c: Likewise.
9523 * tree-ssa-uninit.c: Likewise.
9524 * tree-ssanames.c: Likewise.
9525 * tree-streamer-out.c: Likewise.
9528 * vr-values.c: Likewise.
9530 2019-01-09 Uroš Bizjak <ubizjak@gmail.com>
9532 * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9533 (ix86_split_xorsign): Ditto.
9534 * config/i386/i386.c (ix86_expand_xorsign): New function.
9535 (ix86_split_xorsign): Ditto.
9536 * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9537 (xorsign<mode>3): New expander.
9538 (xorsign<mode>3_1): New insn_and_split pattern.
9539 * config/i386/sse.md (xorsign<mode>3): New expander.
9541 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
9543 * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9544 (*tablejump_sp64): Likewise.
9545 (*tablejump<P:mode>): ...this.
9546 (*call_address_sp32): Merge into...
9547 (*call_address_sp64): Likewise.
9548 (*call_address<P:mode>): ...this.
9549 (*call_symbolic_sp32): Merge into...
9550 (*call_symbolic_sp64): Likewise.
9551 (*call_symbolic<P:mode>): ...this.
9552 (call_value): Remove constraint and add predicate.
9553 (*call_value_address_sp32): Merge into...
9554 (*call_value_address_sp64): Likewise.
9555 (*call_value_address<P:mode>): ...this.
9556 (*call_value_symbolic_sp32): Merge into...
9557 (*call_value_symbolic_sp64): Likewise.
9558 (*call_value_symbolic<P:mode>): ...this.
9559 (*sibcall_symbolic_sp32): Merge into...
9560 (*sibcall_symbolic_sp64): Likewise.
9561 (*sibcall_symbolic<P:mode>): ...this.
9562 (sibcall_value): Remove constraint and add predicate.
9563 (*sibcall_value_symbolic_sp32): Merge into...
9564 (*sibcall_value_symbolic_sp64): Likewise.
9565 (*sibcall_value_symbolic<P:mode>): ...this.
9566 (window_save): Minor tweak.
9567 (*branch_sp32): Merge into...
9568 (*branch_sp64): Likewise.
9569 (*branch<P:mode>): ...this.
9571 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
9572 James Clarke <jrtc27@jrtc27.com>
9575 * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9576 consistently in TLS address generation and adjust code to the renaming
9577 of patterns. Mark calls to __tls_get_addr as const.
9578 * config/sparc/sparc.md (tgd_hi22): Turn into...
9579 (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9580 (tgd_lo10): Turn into...
9581 (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9582 (tgd_add32): Merge into...
9583 (tgd_add64): Likewise.
9584 (tgd_add<P:mode>): ...this and use Pmode throughout.
9585 (tldm_hi22): Turn into...
9586 (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9587 (tldm_lo10): Turn into...
9588 (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9589 (tldm_add32): Merge into...
9590 (tldm_add64): Likewise.
9591 (tldm_add<P:mode>): ...this and use Pmode throughout.
9592 (tldm_call32): Merge into...
9593 (tldm_call64): Likewise.
9594 (tldm_call<P:mode>): ...this and use Pmode throughout.
9595 (tldo_hix22): Turn into...
9596 (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9597 (tldo_lox10): Turn into...
9598 (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9599 (tldo_add32): Merge into...
9600 (tldo_add64): Likewise.
9601 (tldo_add<P:mode>): ...this and use Pmode throughout.
9602 (tie_hi22): Turn into...
9603 (tie_hi22<P:mode>): ...this and use Pmode throughout.
9604 (tie_lo10): Turn into...
9605 (tie_lo10<P:mode>): ...this and use Pmode throughout.
9606 (tie_ld64): Use DImode throughout.
9607 (tie_add32): Merge into...
9608 (tie_add64): Likewise.
9609 (tie_add<P:mode>): ...this and use Pmode throughout.
9610 (tle_hix22_sp32): Merge into...
9611 (tle_hix22_sp64): Likewise.
9612 (tle_hix22<P:mode>): ...this and use Pmode throughout.
9613 (tle_lox22_sp32): Merge into...
9614 (tle_lox22_sp64): Likewise.
9615 (tle_lox22<P:mode>): ...this and use Pmode throughout.
9616 (*tldo_ldub_sp32): Merge into...
9617 (*tldo_ldub_sp64): Likewise.
9618 (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9619 (*tldo_ldub1_sp32): Merge into...
9620 (*tldo_ldub1_sp64): Likewise.
9621 (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9622 (*tldo_ldub2_sp32): Merge into...
9623 (*tldo_ldub2_sp64): Likewise.
9624 (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9625 (*tldo_ldsb1_sp32): Merge into...
9626 (*tldo_ldsb1_sp64): Likewise.
9627 (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9628 (*tldo_ldsb2_sp32): Merge into...
9629 (*tldo_ldsb2_sp64): Likewise.
9630 (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9631 (*tldo_ldub3_sp64): Use DImode throughout.
9632 (*tldo_ldsb3_sp64): Likewise.
9633 (*tldo_lduh_sp32): Merge into...
9634 (*tldo_lduh_sp64): Likewise.
9635 (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9636 (*tldo_lduh1_sp32): Merge into...
9637 (*tldo_lduh1_sp64): Likewise.
9638 (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9639 (*tldo_ldsh1_sp32): Merge into...
9640 (*tldo_ldsh1_sp64): Likewise.
9641 (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9642 (*tldo_lduh2_sp64): Use DImode throughout.
9643 (*tldo_ldsh2_sp64): Likewise.
9644 (*tldo_lduw_sp32): Merge into...
9645 (*tldo_lduw_sp64): Likewise.
9646 (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9647 (*tldo_lduw1_sp64): Use DImode throughout.
9648 (*tldo_ldsw1_sp64): Likewise.
9649 (*tldo_ldx_sp64): Likewise.
9650 (*tldo_stb_sp32): Merge into...
9651 (*tldo_stb_sp64): Likewise.
9652 (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9653 (*tldo_sth_sp32): Merge into...
9654 (*tldo_sth_sp64): Likewise.
9655 (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9656 (*tldo_stw_sp32): Merge into...
9657 (*tldo_stw_sp64): Likewise.
9658 (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9659 (*tldo_stx_sp64): Use DImode throughout.
9661 2018-01-09 Sudakshina Das <sudi.das@arm.com>
9663 * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9664 check configure option to set BTI and Return Address Signing.
9665 * configure.ac: Add --enable-standard-branch-protection and
9666 --disable-standard-branch-protection.
9667 * configure: Regenerated.
9668 * doc/install.texi: Document the same.
9670 2018-01-09 Sudakshina Das <sudi.das@arm.com>
9671 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
9673 * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9674 * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9675 * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9677 * config/aarch64/aarch64-bti-insert.c: New file.
9678 * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9680 * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9682 * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9683 UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9684 (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9685 * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9687 2018-01-09 Sudakshina Das <sudi.das@arm.com>
9689 * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9690 * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9691 Disable bti for -mbranch-protection=none.
9692 (aarch64_handle_standard_branch_protection): Enable bti for
9693 -mbranch-protection=standard.
9694 (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9695 -mbranch-protection.
9696 (aarch64_bti_enabled): Check if bti is enabled.
9697 * config/aarch64/aarch64.opt: Declare target variable.
9698 * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9700 2018-01-09 Sudakshina Das <sudi.das@arm.com>
9702 * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9703 epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9704 (aarch64_expand_epilogue): Likewise.
9705 (aarch64_output_mi_thunk): Likewise
9706 * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9707 TAILCALL_ADDR_REGS to x16 and x17.
9708 * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9710 2018-01-09 Sudakshina Das <sudi.das@arm.com>
9712 * config/aarch64/aarch64-option-extensions.def: Define
9713 AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9714 * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9715 (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9716 (AARCH64_FL_PREDRES): New.
9717 (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9718 AARCH64_FL_PREDRES by default.
9719 * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9721 2018-01-09 Sudakshina Das <sudi.das@arm.com>
9723 * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9725 * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9726 (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9727 * doc/invoke.texi: Document ARMv8.5-A.
9729 2019-01-09 Alejandro Martinez <alejandro.martinezvicente@arm.com>
9731 * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9732 (xorsign<mode>3): Likewise.
9734 2019-01-09 Jelinek <jakub@redhat.com>
9737 * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9738 vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9740 PR rtl-optimization/88331
9741 * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9742 not currently_expanding_to_rtl.
9744 2019-01-09 Eric Botcazou <ebotcazou@adacore.com>
9746 * doc/invoke.texi (-Os): Remove trailing spaces.
9747 (-finline-functions): Remove reference to -O2.
9749 2019-01-08 Jakub Jelinek <jakub@redhat.com>
9751 PR rtl-optimization/79593
9752 * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9754 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9755 UNSPEC_FUSION_GPR to its argument. Formatting fixes.
9757 2019-01-08 Eric Botcazou <ebotcazou@adacore.com>
9760 * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9764 * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9765 UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9767 2019-01-08 H.J. Lu <hongjiu.lu@intel.com>
9770 * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9771 ix86_avx_u128_mode_entry.
9773 2019-01-08 Martin Liska <mliska@suse.cz>
9775 PR tree-optimization/88753
9776 * tree-switch-conversion.c (switch_conversion::build_one_array):
9777 Come up with local variable constructor. Convert first to
9778 type of constructor values.
9780 2019-01-08 Richard Biener <rguenther@suse.de>
9782 PR tree-optimization/86554
9783 * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9784 rpo_avail): Move earlier.
9785 (visit_nary_op): When value-numbering to expressions
9786 with different overflow behavior make sure there's an
9787 available expression on the path.
9789 2019-01-08 Sam Tebbs <sam.tebbs@arm.com>
9791 * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9792 aarch64_parse_branch_protection,
9793 struct aarch64_branch_protect_type,
9794 aarch64_handle_no_branch_protection,
9795 aarch64_handle_standard_branch_protection,
9796 aarch64_validate_mbranch_protection,
9797 aarch64_handle_pac_ret_protection,
9798 aarch64_handle_attr_branch_protection,
9799 accepted_branch_protection_string,
9800 aarch64_pac_ret_subtypes,
9801 aarch64_branch_protect_types,
9802 aarch64_handle_pac_ret_leaf): Define.
9803 (aarch64_override_options_after_change_1, aarch64_override_options):
9804 Add check for accepted_branch_protection_string.
9805 (aarch64_option_save): Save accepted_branch_protection_string.
9806 (aarch64_option_restore): Save accepted_branch_protection_string.
9807 * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9808 * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9809 msign-return-address.
9810 * doc/invoke.texi: Add mbranch-protection.
9812 2019-01-08 Alan Modra <amodra@gmail.com>
9815 * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9816 Delete "unknownp" parameter. Adjust callers. Handle
9817 CONST_INT, PLUS, MINUS, and MULT.
9818 (attr_value_aligned): Renamed from or_attr_value.
9819 (min_attr_value): Return INT_MIN for unhandled rtl case..
9820 (min_fn): ..and translate to INT_MAX here.
9821 (write_length_unit_log): Modify to cope without "unknown".
9822 (write_attr_value): Handle IF_THEN_ELSE.
9824 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
9826 * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9827 optimization for masked stores.
9829 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
9832 * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9833 output vector directly to duplicate_and_interleave instead of
9834 going through a temporary. Postpone insertion of ctor_seq to
9835 the end of the loop.
9837 2019-01-07 Richard Earnshaw <rearnsha@arm.com>
9840 * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9841 unsigned_p. Handle signed and unsigned overflow correction as
9843 * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9845 * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9847 (add<mode>3_compareV_imm): Make this callable for expanding.
9848 (subv<GPI:mode>4): Use register_operand for operand 1. Use
9849 aarch64_plus_operand for operand 2.
9850 (subv<GPI:mode>_insn): New insn pattern.
9851 (subv<GPI:mode>_imm): Likewise.
9852 (negv<GPI:mode>3): New expand pattern.
9853 (negv<GPI:mode>_insn): New insn pattern.
9854 (negv<GPI:mode>_cmp_only): Likewise.
9855 (cmpv<GPI:mode>_insn): Likewise.
9856 (subvti4): Use register_operand for operand 1. Update call to
9857 aarch64_expand_subvti.
9858 (usubvti4): Likewise.
9859 (negvti3): New expand pattern.
9860 (negdi_carryout): New insn pattern.
9861 (negvdi_carryinV): New insn pattern.
9862 (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9863 version the named version.
9864 (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9866 (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9868 (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9870 (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9871 (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9872 (sub<mode>3_carryinCV): Delete.
9873 (sub<GPI:mode>3_carryinV): New expand pattern.
9874 sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9876 2019-01-07 Richard Biener <rguenther@suse.de>
9878 * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9879 of tree_operand_hash.
9881 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
9883 PR tree-optimization/88598
9884 * tree.h (single_nonzero_element): Declare.
9885 * tree.c (single_nonzero_element): New function.
9886 * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9887 if I is the only nonzero element of CST.
9889 2019-01-07 Richard Sandiford <richard.sandiford@arm.com>
9891 PR tree-optimization/88598
9892 * tree.h (initializer_each_zero_or_onep): Declare.
9893 * tree.c (initializer_each_zero_or_onep): New function.
9894 (signed_or_unsigned_type_for): Handle float types too.
9895 (unsigned_type_for, signed_type_for): Update comments accordingly.
9896 * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9897 x & { 0 or -1, 0 or -1, ... }.
9899 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
9901 * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9902 with x86_64-pc-linux-gnu.
9904 2019-01-07 Tom de Vries <tdevries@suse.de>
9907 * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9909 (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9912 2019-01-07 Jakub Jelinek <jakub@redhat.com>
9914 * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9915 V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9916 TARGET_AVX512F as condition.
9919 * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9920 const_not_ok_for_debug_p target hook.
9921 (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9922 on UNSPEC and subexpressions thereof if all subexpressions of the
9923 UNSPEC are CONSTANT_P.
9925 PR tree-optimization/88676
9926 * tree-ssa-phiopt.c (two_value_replacement): New function.
9927 (tree_ssa_phiopt_worker): Call it.
9930 * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9931 ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9934 * tree-vect-generic.c: Include insn-config.h and recog.h.
9935 (expand_vector_piecewise): Add defaulted ret_type argument,
9936 if non-NULL, use that in preference to type for the result type.
9937 (expand_vector_parallel): Formatting fix.
9938 (do_vec_conversion, do_vec_narrowing_conversion,
9939 expand_vector_conversion): New functions.
9940 (expand_vector_operations_1): Call expand_vector_conversion
9941 for VEC_CONVERT ifn calls.
9942 * internal-fn.def (VEC_CONVERT): New internal function.
9943 * internal-fn.c (expand_VEC_CONVERT): New function.
9944 * fold-const-call.c (fold_const_vec_convert): New function.
9945 (fold_const_call): Use it for CFN_VEC_CONVERT.
9946 * doc/extend.texi (__builtin_convertvector): Document.
9948 2019-01-07 Tom de Vries <tdevries@suse.de>
9950 * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9951 * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9952 vector_red_partition, vector_red_sym): New global variables.
9953 (nvptx_option_override): Initialize vector_red_sym.
9954 (nvptx_declare_function_name): Restore red_partition register.
9955 (nvptx_file_end): Emit code to declare the vector reduction variables.
9956 (nvptx_output_red_partition): New function.
9957 (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9958 large vector reductions.
9959 (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9960 (nvptx_init_builtins): Add VECTOR_ADDR.
9961 (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9962 Handle nvptx_expand_shared_addr.
9963 (nvptx_get_shared_red_addr): Add vector argument and handle large
9965 (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9967 (nvptx_goacc_reduction_init): Likewise.
9968 (nvptx_goacc_reduction_fini): Likewise.
9969 (nvptx_goacc_reduction_teardown): Likewise.
9970 (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9971 init,fini,teardown}.
9972 (nvptx_init_axis_predicate): Initialize vector_red_partition.
9973 (nvptx_set_current_function): Init vector_red_partition.
9974 * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9975 (nvptx_red_partition): New insn.
9976 * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9978 2019-01-07 Tom de Vries <tdevries@suse.de>
9981 * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9984 2019-01-07 Tom de Vries <tdevries@suse.de>
9986 * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9987 (nvptx_option_override): Init oacc_bcast_partition.
9988 (nvptx_init_oacc_workers): New function.
9989 (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9990 (nvptx_needs_shared_bcast): New function.
9991 (nvptx_find_par): Generalize to enable vectors to use shared-memory
9993 (nvptx_shared_propagate): Initialize vector bcast partition and
9994 synchronization state.
9995 (nvptx_single): Generalize to enable vectors to use shared-memory
9997 (nvptx_process_pars): Likewise.
9998 (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9999 * config/nvptx/nvptx.h (struct machine_function): Add
10000 bcast_partition and sync_bar members.
10002 2019-01-07 Tom de Vries <tdevries@suse.de>
10004 * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10005 (nvptx_apply_dim_limits): New function.
10006 (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
10009 2019-01-07 Tom de Vries <tdevries@suse.de>
10011 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
10012 as late as possible.
10014 2019-01-07 Tom de Vries <tdevries@suse.de>
10016 * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
10017 (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
10018 (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
10019 (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
10020 PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
10022 2019-01-07 Tom de Vries <tdevries@suse.de>
10024 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
10026 2019-01-07 Tom de Vries <tdevries@suse.de>
10028 * omp-offload.c (oacc_get_min_dim): New function.
10029 * omp-offload.h (oacc_get_min_dim): Declare.
10031 2018-12-26 Mateusz B <mateuszb@poczta.onet.pl>
10034 * config/i386/i386.c (function_value_ms_64): Return small sturct in
10035 AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
10037 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
10041 2017-05-22 Jan Hubicka <hubicka@ucw.cz>
10043 * ipa-inline.c (edge_badness): Use inlined_time instead of
10044 inline_summaries->get.
10046 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
10048 * opts.c (enable_fdo_optimizations): Enable
10049 version-loops-for-strides, loop-interchange, unrol-and-jam
10050 and tree-loop-distribution.
10051 * invoke.texi: Document newly enabled options.
10053 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
10055 * doc/invoke.texi (max-inline-insns-small): New parameters.
10056 * ipa-inline.c (want_early_inline_function_p): simplify.
10057 (want_inline_small_function_p): Fix pasto from previous patch;
10058 use max-inline-insns-small bound.
10059 * params.def (max-inline-insns-small): New param.
10060 * ipa-fnsummary.c (analyze_function_body): Initialize time/size
10061 variables correctly.
10063 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
10065 * doc/invoke.texi: Document max-inline-insns-size,
10066 uninlined-function-insns, uninlined-function-time,
10067 uninlined-thunk-insns and uninlined-thunk-time.
10068 * params.def: Add max-inline-insns-size,
10069 uninlined-function-insns, uninlined-function-time,
10070 uninlined-thunk-insns and uninlined-thunk-time.
10071 * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
10073 * ipa-inline.c (can_inline_edge_by_limits_p,
10074 want_inline_small_function_p): Use new parameters.
10076 2019-01-05 Jan Hubicka <hubicka@ucw.cz>
10078 * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
10080 2019-01-05 Jakub Jelinek <jakub@redhat.com>
10082 PR middle-end/82564
10084 * expr.c (expand_assignment): For calls returning VLA structures
10085 if to_rtx is not a MEM, force it into a stack temporary.
10088 * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
10089 SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
10090 Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
10091 subexpressions of both operands.
10092 (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
10093 subrtxes are CONSTANT_P.
10094 * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
10095 2018-11-09 changes.
10097 2019-01-04 Jan Hubicka <hubicka@ucw.cz>
10099 * params.def (hot-bb-count-ws-permille): Set to 990.
10101 2019-01-04 Martin Sebor <msebor@redhat.com>
10104 * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
10107 2019-01-04 Martin Sebor <msebor@redhat.com>
10110 * doc/extend.texi (attribute alloc_align, alloc_size): Update.
10112 2019-01-04 Jakub Jelinek <jakub@redhat.com>
10114 * gdbinit.in: Turn off pagination for the skip commands, restore
10115 it to previous state afterwards.
10117 2019-01-04 Jakub Jelinek <jakub@redhat.com>
10120 * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
10121 of GET_MODE (opN) as modes of the libcall arguments.
10123 2019-01-04 Jan Beulich <jbeulich@suse.com>
10125 * config/i386/sse.md
10126 (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
10127 <avx512>_cmp<mode>3<mask_scalar_merge_name>,
10128 <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10129 <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10130 avx512f_vmcmp<mode>3<round_saeonly_name>,
10131 avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
10132 avx512f_maskcmp<mode>3,
10133 <avx512>_cvt<ssemodesuffix>2mask<mode>,
10134 <avx512>_cvt<ssemodesuffix>2mask<mode>,
10135 *<avx512>_cvtmask2<ssemodesuffix><mode>,
10136 *<avx512>_cvtmask2<ssemodesuffix><mode>,
10137 <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10138 <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10139 <avx512>_gt<mode>3<mask_scalar_merge_name>,
10140 <avx512>_gt<mode>3<mask_scalar_merge_name>,
10141 <avx512>_testm<mode>3<mask_scalar_merge_name>,
10142 <avx512>_testnm<mode>3<mask_scalar_merge_name>,
10143 *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
10144 *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
10145 *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
10146 *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
10147 avx512cd_maskb_vec_dup<mode>,
10148 avx512cd_maskw_vec_dup<mode>,
10149 avx512dq_fpclass<mode><mask_scalar_merge_name>,
10150 avx512dq_vmfpclass<mode>,
10151 avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
10154 2019-01-03 Martin Sebor <msebor@redhat.com>
10156 PR tree-optimization/88659
10157 * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
10159 2019-01-03 Aaron Sawdey <acsawdey@linux.ibm.com>
10161 * config/rs6000/rs6000-string.c (expand_block_move): Don't use
10162 unaligned vsx and avoid lxvd2x/stxvd2x.
10163 (gen_lvx_v4si_move): New function.
10165 2019-01-03 Tom de Vries <tdevries@suse.de>
10167 * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
10168 (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
10170 * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
10172 2019-01-03 Tom de Vries <tdevries@suse.de>
10174 * config/nvptx/nvptx.c (struct offload_attrs): New.
10175 (populate_offload_attrs): New function. Factor mask extraction out of
10176 nvptx_reorg. Add extraction of dimensions.
10177 (nvptx_reorg): Use populate_offload_attrs.
10179 2019-01-03 Tom de Vries <tdevries@suse.de>
10181 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
10182 cases for oacc_min_dims_p and routine_p. Add asserts for
10183 oacc_default_dims_p and offload_region_p.
10185 2019-01-03 Tom de Vries <tdevries@suse.de>
10187 * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10188 factored out of ...
10189 (nvptx_goacc_validate_dims): ... here.
10191 2019-01-03 Jan Hubicka <hubicka@ucw.cz>
10193 PR tree-optimization/85574
10194 * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10196 (struct ssa_equip_hash_traits): Declare.
10197 (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10199 2019-01-03 Jakub Jelinek <jakub@redhat.com>
10202 * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10203 change it to qualified_type.
10205 2019-01-03 Jan Hubicka <hubicka@ucw.cz>
10207 * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10208 (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10210 2019-01-02 Martin Sebor <msebor@redhat.com>
10211 Jeff Law <law@redhat.com>
10213 * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10214 (get_range_strlen_tree): Update appropriately.
10216 * gimple-fold.h (get_range_strlen): Drop unused last argument.
10218 * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10219 rather than set_range_info.
10220 * tree-ssa-strlen.c (set_strlen_range): Extracted from
10221 maybe_set_strlen_range. Handle potentially boundary crossing
10222 cases more conservatively.
10223 (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10224 Call set_strlen_range.
10225 * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10227 PR middle-end/88663
10228 * gimple-fold.c (get_range_strlen): Update prototype to no longer
10229 need the flexp argument.
10230 (get_range_strlen_tree): Drop flexp argument. Drop flexp argument
10231 from calls to get_range_strlen. Update comments. Just update
10232 VAL for an unterminated const char array and let the reset of the
10233 code handle it normally. No longer try to set *flexp. Adjust
10235 (get_range_strlen): Update for the new get_range_strlen API.
10236 (get_maxval_strlen): Similarly.
10237 (gimple_fold_builtin_strlen): Handle update meaning of return value
10238 from get_range_strlen.
10239 * gimple-ssa-sprintf.c (get_string_length): Update for the new
10240 get_range_strlen API.
10242 2019-01-02 Jan Hubicka <hubicka@ucw.cz>
10245 * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10246 false at WPA time when body was removed.
10248 2019-01-02 Martin Liska <mliska@suse.cz>
10250 PR tree-optimization/88650
10251 * predict.c (set_even_probabilities): Calculate probability
10252 remainer only when really used.
10254 2019-01-02 Richard Biener <rguenther@suse.de>
10256 PR middle-end/88651
10257 * tree-data-ref.c (analyze_subscript_affine_affine): Use
10258 widest_ints when mangling max_stmt_execution results.
10260 2019-01-02 Richard Biener <rguenther@suse.de>
10262 PR tree-optimization/88621
10263 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10264 bitfields when canoncalizing.
10266 2019-01-02 Richard Biener <rguenther@suse.de>
10269 * config/i386/x86-tune-costs.h (intel_cost): Adjust
10270 cost of cheap SSE instruction.
10272 2019-01-02 Richard Biener <rguenther@suse.de>
10275 * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10276 * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10278 (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10279 set after UIDs before splitting them.
10281 2019-01-01 Martin Sebor <msebor@redhat.com>
10282 Jeff Law <law@redhat.com>
10284 * gimple-fold.c (get_range_strlen_tree): Record if the computed
10285 length is optimistic. If it is, then arrange to compute the
10286 conservative length as well.
10288 * gimple-fold.h (get_range_strlen): Update prototype.
10289 * builtins.c (check_access): Update call to get_range_strlen to use
10290 c_strlen_data pointer. Change various variable accesses to instead
10291 pull data from the c_strlen_data structure.
10292 (check_strncat_sizes, expand_builtin_strncat): Likewise.
10293 * calls.c (maybe_warn_nonstring_arg): Likewise.
10294 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise. Reset
10295 minimum length if maximum lengh is unknown.
10296 * gimple-ssa-sprintf.c (get_string_length): Likewise. Drop code
10297 that used c_strlen, it's no longer needed. Restructure slightly.
10298 (format_string): Set unlikely range appropriately.
10299 * gimple-fold.c (get_range_strlen): Update comments. Fix minor
10301 (get_range_strlen): Accept c_strlen_data pointer for external
10302 call sites as well. Pass through to call to internal get_range_strlen.
10303 Adjust minlen, maxlen and maxbound as needed.
10304 (get_maxval_strlen): Update comments.
10305 (gimple_fold_builtin_strlen): Update call to get_range_strlen
10306 to use c_strlen_data pointer. Change variable accesses to instead
10307 use c_strlen_data data members.
10309 * gimple-fold.c (get_range_strlen): Update prototype.
10310 (get_range_strlen_tree): Update prototype. Drop minlen/maxlen
10311 local variables. Use pdata to return information to caller.
10312 Update calls to get_range_strlen. Update pdata->maxbound.
10313 (get_range_strlen -- static version): Similarly.
10314 (get_range_strlen -- extern version): Update for internal
10315 get_range_strlen API change. Convert to external data format.
10316 (get_maxval_strlen): Similarly.
10318 2019-01-01 Jan Hubicka <hubicka@ucw.cz>
10320 * coverage.c (get_coverage_counts): Use current_function_decl.
10321 * profile.c (read_thunk_profile): New function.
10322 (branch_prob): Add THUNK parameter.
10323 * tree-profile.c (tree_profiling): Handle thunks.
10324 * value-prof.c (init_node_map): Handle thunks.
10325 * value-prof.h (branch_prob): Upate prototype.
10326 (read_thunk_profile): Declare.
10328 2019-01-01 Jakub Jelinek <jakub@redhat.com>
10330 Update copyright years.
10332 * gcc.c (process_command): Update copyright notice dates.
10333 * gcov-dump.c (print_version): Ditto.
10334 * gcov.c (print_version): Ditto.
10335 * gcov-tool.c (print_version): Ditto.
10336 * gengtype.c (create_file): Ditto.
10337 * doc/cpp.texi: Bump @copying's copyright year.
10338 * doc/cppinternals.texi: Ditto.
10339 * doc/gcc.texi: Ditto.
10340 * doc/gccint.texi: Ditto.
10341 * doc/gcov.texi: Ditto.
10342 * doc/install.texi: Ditto.
10343 * doc/invoke.texi: Ditto.
10345 Copyright (C) 2019 Free Software Foundation, Inc.
10347 Copying and distribution of this file, with or without modification,
10348 are permitted in any medium without royalty provided the copyright
10349 notice and this notice are preserved.