1 2021-08-12 Jakub Jelinek <jakub@redhat.com>
3 * tree.def (OMP_MASKED): New tree code.
4 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
5 * tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
6 OMP_CLAUSE_FILTER_EXPR): Define.
7 * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
8 (omp_clause_code_name): Likewise.
9 (walk_tree_1): Handle OMP_CLAUSE_FILTER.
10 * tree-nested.c (convert_nonlocal_omp_clauses,
11 convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
12 (convert_nonlocal_reference_stmt, convert_local_reference_stmt,
13 convert_gimple_call): Handle GIMPLE_OMP_MASTER.
14 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
15 (dump_generic_node): Handle OMP_MASTER.
16 * gimple.def (GIMPLE_OMP_MASKED): New gimple code.
17 * gimple.c (gimple_build_omp_masked): New function.
18 (gimple_copy): Handle GIMPLE_OMP_MASKED.
19 * gimple.h (gimple_build_omp_masked): Declare.
20 (gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
21 (gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
22 gimple_omp_masked_set_clauses): New inline functions.
23 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
24 * gimple-pretty-print.c (dump_gimple_omp_masked): New function.
25 (pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
26 * gimple-walk.c (walk_gimple_stmt): Likewise.
27 * gimple-low.c (lower_stmt): Likewise.
28 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
29 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER. For clauses
30 that take one expression rather than decl or constant, force
31 gimplification of that into a SSA_NAME or temporary unless min
33 (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
34 (gimplify_expr): Handle OMP_MASKED.
35 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
36 (estimate_num_insns): Likewise.
37 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
38 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED. Adjust
39 diagnostics for existence of masked construct.
40 (scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
41 diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
42 * omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
45 2021-08-12 Uroš Bizjak <ubizjak@gmail.com>
48 * config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
49 (ldexp<mode>3): Use avx512f_scalef<mode>2.
50 (UNSPEC_SCALEF): Move from ...
51 * config/i386/sse.md (UNSPEC_SCALEF): ... here.
53 2021-08-12 Jan Hubicka <hubicka@ucw.cz>
55 * ipa-split.c (consider_split): Fix condition testing void functions.
57 2021-08-12 Aldy Hernandez <aldyh@redhat.com>
59 * doc/invoke.texi: Remove docs for threader-mode param.
60 * flag-types.h (enum threader_mode): Remove.
61 * params.opt: Remove threader-mode param.
62 * tree-ssa-threadbackward.c (class back_threader): Remove
63 path_is_unreachable_p.
64 Make find_paths private.
65 Add maybe_thread and thread_through_all_blocks.
66 Remove reference marker for m_registry.
67 Remove reference marker for m_profit.
68 (back_threader::back_threader): Adjust for registry and profit not
70 (dump_path): Move down.
72 (class thread_jumps): Remove.
73 (class back_threader_registry): Remove m_all_paths.
75 (thread_jumps::thread_through_all_blocks): Move to back_threader
77 (fsm_find_thread_path): Remove
78 (back_threader::maybe_thread): New.
79 (back_threader::thread_through_all_blocks): Move from
81 (back_threader_registry::back_threader_registry): Remove
83 (back_threader_registry::~back_threader_registry): Remove.
84 (thread_jumps::find_taken_edge): Remove.
85 (thread_jumps::check_subpath_and_update_thread_path): Remove.
86 (thread_jumps::maybe_register_path): Remove.
87 (thread_jumps::handle_phi): Remove.
88 (handle_assignment_p): Remove.
89 (thread_jumps::handle_assignment): Remove.
90 (thread_jumps::fsm_find_control_statement_thread_paths): Remove.
91 (thread_jumps::find_jump_threads_backwards): Remove.
92 (thread_jumps::find_jump_threads_backwards_with_ranger): Remove.
93 (try_thread_blocks): Rename find_jump_threads_backwards to
95 (pass_early_thread_jumps::execute): Same.
97 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
99 * tree-core.h (omp_clause_proc_bind_kind): Add
100 OMP_CLAUSE_PROC_BIND_PRIMARY.
101 * tree-pretty-print.c (dump_omp_clause): Add TODO comment to
102 change 'master' to 'primary' in proc_bind for OpenMP 5.1.
104 2021-08-12 Claudiu Zissulescu <claziss@synopsys.com>
106 * common/config/arc/arc-common.c (arc_option_init_struct): Remove
107 fno-common reference.
108 * config/arc/arc.c (arc_override_options): Remove overriding of
111 2021-08-12 Jakub Jelinek <jakub@redhat.com>
114 * config/i386/i386-expand.c (ix86_expand_vec_one_operand_perm_avx512):
115 If d->testing_p, return true after performing checks instead of
116 actually expanding the insn.
117 (expand_vec_perm_broadcast_1): Handle V32HImode - assert
118 !TARGET_AVX512BW and return false.
120 2021-08-12 Eric Botcazou <ebotcazou@gcc.gnu.org>
122 * configure.ac (PE linker --disable-dynamicbase support): New check.
123 * configure: Regenerate.
124 * config.in: Likewise.
125 * config/i386/mingw32.h (LINK_SPEC_DISABLE_DYNAMICBASE): New define.
127 * config/i386/mingw-w64.h (LINK_SPEC_DISABLE_DYNAMICBASE): Likewise.
128 (LINK_SPEC): Likewise.
130 2021-08-12 liuhongt <hongtao.liu@intel.com>
133 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_2): New
134 post_reload define_insn_and_split.
135 (*avx512bw_zero_extendv32qiv32hi2_2): Ditto.
136 (*sse4_1_zero_extendv8qiv8hi2_4): Ditto.
137 (*avx512f_zero_extendv16hiv16si2_2): Ditto.
138 (*avx2_zero_extendv8hiv8si2_2): Ditto.
139 (*sse4_1_zero_extendv4hiv4si2_4): Ditto.
140 (*avx512f_zero_extendv8siv8di2_2): Ditto.
141 (*avx2_zero_extendv4siv4di2_2): Ditto.
142 (*sse4_1_zero_extendv2siv2di2_4): Ditto.
143 (VI248_256, VI248_512, VI148_512, VI148_256, VI148_128): New
146 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
148 * config/rs6000/rs6000-builtin-new.def: Add always, power5, and
151 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
153 * config/rs6000/rs6000-builtin-new.def: Add vsx stanza.
155 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
157 * config/rs6000/rs6000-builtin-new.def: Finish altivec stanza.
158 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Move
159 initialization of pcvoid_type_node here...
160 (altivec_init_builtins): ...from here.
161 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add
162 RS6000_BTI_const_ptr_void.
163 (pcvoid_type_node): New macro.
165 2021-08-11 Richard Biener <rguenther@suse.de>
168 * tree-ssa-forwprop.c (pass_forwprop::execute): Do not decompose
169 hard-register accesses.
171 2021-08-11 Richard Biener <rguenther@suse.de>
173 * tree-ssa-operands.c (operands_scanner::get_expr_operands):
174 Do not look at COMPONENT_REF FIELD_DECLs TREE_THIS_VOLATILE
175 to determine has_volatile_ops.
177 2021-08-11 Eric Botcazou <ebotcazou@gcc.gnu.org>
179 * cfgexpand.c (expand_used_vars): Reuse attribs local variable.
181 2021-08-11 Jan Hubicka <hubicka@ucw.cz>
182 Alexandre Oliva <oliva@adacore.com>
184 * ipa-modref.c (modref_lattice::dump): Fix escape_point's min_flags
186 (modref_lattice::merge_deref): Fix handling of indirect scape points.
187 (update_escape_summary_1): Likewise.
188 (update_escape_summary): Likewise.
189 (ipa_merge_modref_summary_after_inlining): Likewise.
191 2021-08-11 Richard Biener <rguenther@suse.de>
194 * fold-const.c (fold_binary_loc): Guard simplification
195 of X < (cast) (1 << Y) to integer types.
197 2021-08-11 Richard Biener <rguenther@suse.de>
199 PR tree-optimization/101861
200 * tree-vect-stmts.c (vectorizable_load): Fix error in
201 previous change with regard to gather vectorization.
203 2021-08-11 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
206 * config/arm/arm_neon.h (vdup_n_s8): Replace call to builtin
208 (vdup_n_s16): Likewise.
209 (vdup_n_s32): Likewise.
210 (vdup_n_s64): Likewise.
211 (vdup_n_u8): Likewise.
212 (vdup_n_u16): Likewise.
213 (vdup_n_u32): Likewise.
214 (vdup_n_u64): Likewise.
215 (vdup_n_p8): Likewise.
216 (vdup_n_p16): Likewise.
217 (vdup_n_p64): Likewise.
218 (vdup_n_f16): Likewise.
219 (vdup_n_f32): Likewise.
220 (vdupq_n_s8): Likewise.
221 (vdupq_n_s16): Likewise.
222 (vdupq_n_s32): Likewise.
223 (vdupq_n_s64): Likewise.
224 (vdupq_n_u8): Likewise.
225 (vdupq_n_u16): Likewise.
226 (vdupq_n_u32): Likewise.
227 (vdupq_n_u64): Likewise.
228 (vdupq_n_p8): Likewise.
229 (vdupq_n_p16): Likewise.
230 (vdupq_n_p64): Likewise.
231 (vdupq_n_f16): Likewise.
232 (vdupq_n_f32): Likewise.
233 (vmov_n_s8): Replace call to builtin with call to corresponding
235 (vmov_n_s16): Likewise.
236 (vmov_n_s32): Likewise.
237 (vmov_n_s64): Likewise.
238 (vmov_n_u8): Likewise.
239 (vmov_n_u16): Likewise.
240 (vmov_n_u32): Likewise.
241 (vmov_n_u64): Likewise.
242 (vmov_n_p8): Likewise.
243 (vmov_n_p16): Likewise.
244 (vmov_n_f16): Likewise.
245 (vmov_n_f32): Likewise.
246 (vmovq_n_s8): Likewise.
247 (vmovq_n_s16): Likewise.
248 (vmovq_n_s32): Likewise.
249 (vmovq_n_s64): Likewise.
250 (vmovq_n_u8): Likewise.
251 (vmovq_n_u16): Likewise.
252 (vmovq_n_u32): Likewise.
253 (vmovq_n_u64): Likewise.
254 (vmovq_n_p8): Likewise.
255 (vmovq_n_p16): Likewise.
256 (vmovq_n_f16): Likewise.
257 (vmovq_n_f32): Likewise.
258 * config/arm/arm_neon_builtins.def: Remove entries for vdup_n.
260 2021-08-11 liuhongt <hongtao.liu@intel.com>
263 * config/i386/i386.md (ldexp<mode>3): Extend to vscalefs[sd]
264 when TARGET_AVX512F and TARGET_SSE_MATH.
266 2021-08-10 Jakub Jelinek <jakub@redhat.com>
269 * config/i386/i386-expand.c (expand_vec_perm_even_odd): Return false
270 for V32HImode if !TARGET_AVX512BW.
271 (ix86_vectorize_vec_perm_const) <case E_V32HImode, case E_V64QImode>:
272 If !TARGET_AVX512BW and TARGET_AVX512F and d.testing_p, don't fail
273 early, but actually check the permutation.
275 2021-08-10 Richard Biener <rguenther@suse.de>
277 PR tree-optimization/101809
278 * tree-vect-stmts.c (get_load_store_type): Allow emulated
279 gathers with offset vector nunits being a constant multiple
280 of the data vector nunits.
281 (vect_get_gather_scatter_ops): Use the appropriate nunits
282 for the offset vector defs.
283 (vectorizable_store): Adjust call to
284 vect_get_gather_scatter_ops.
285 (vectorizable_load): Likewise. Handle the case of less
286 offset vectors than data vectors.
288 2021-08-10 Jakub Jelinek <jakub@redhat.com>
291 * config/i386/sse.md (*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1,
292 *avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): New define_insn
295 2021-08-10 Richard Biener <rguenther@suse.de>
297 PR tree-optimization/101801
298 PR tree-optimization/101819
299 * tree-vectorizer.h (vect_emulated_vector_p): Declare.
300 * tree-vect-loop.c (vect_emulated_vector_p): New function.
301 (vectorizable_reduction): Re-instantiate a check for emulated
303 * tree-vect-stmts.c (vectorizable_shift): Likewise.
304 (vectorizable_operation): Likewise. Cost emulated vector
305 operations according to the scalar sequence synthesized by
308 2021-08-10 Richard Biener <rguenther@suse.de>
311 * tree-nested.c (get_frame_field): Mark the COMPONENT_REF as
312 volatile in case the variable was.
314 2021-08-10 H.J. Lu <hjl.tools@gmail.com>
317 * config/i386/constraints.md (BC): Document for integer SSE
318 constant all bits set operand.
319 (BF): New constraint for const floating-point all bits set
321 * config/i386/i386.c (standard_sse_constant_p): Likewise.
322 (standard_sse_constant_opcode): Likewise.
323 * config/i386/sse.md (sseconstm1): New mode attribute.
324 (mov<mode>_internal): Replace BC with <sseconstm1>.
326 2021-08-10 liuhongt <hongtao.liu@intel.com>
328 * config/i386/sse.md (cond_<insn><mode>): New expander.
329 (VI248_AVX512VLBW): New mode iterator.
330 * config/i386/predicates.md
331 (nonimmediate_or_const_vec_dup_operand): New predicate.
333 2021-08-09 Andrew MacLeod <amacleod@redhat.com>
335 PR tree-optimization/101741
336 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Check
337 type of parameter for toupper/tolower.
339 2021-08-09 Martin Jambor <mjambor@suse.cz>
342 * ipa-prop.c (propagate_controlled_uses): Removed a spurious space.
344 2021-08-09 Pat Haugen <pthaugen@linux.ibm.com>
346 * config/rs6000/rs6000.c (is_load_insn1): Verify destination is a
348 (is_store_insn1): Verify source is a register.
350 2021-08-09 Uroš Bizjak <ubizjak@gmail.com>
353 * config/i386/mmx.md (<any_logic:code>v2sf3):
354 Rename from *mmx_<any_logic:code>v2sf3
356 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
358 * config/nvptx/nvptx.c: Cross-reference parts adapted in
359 'gcc/omp-oacc-neuter-broadcast.cc'.
360 * omp-low.c: Likewise.
361 * omp-oacc-neuter-broadcast.cc: Cross-reference parts adapted from
364 2021-08-09 Julian Brown <julian@codesourcery.com>
365 Kwok Cheung Yeung <kcy@codesourcery.com>
366 Thomas Schwinge <thomas@codesourcery.com>
368 * config/gcn/gcn.c (gcn_init_builtins): Override decls for
369 BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START,
370 BUILT_IN_GOACC_SINGLE_COPY_END and BUILT_IN_GOACC_BARRIER.
371 (gcn_goacc_validate_dims): Turn on worker partitioning unconditionally.
372 (gcn_fork_join): Update comment.
373 * config/gcn/gcn.opt (flag_worker_partitioning): Remove.
374 (macc_experimental_workers): Remove unused option.
376 2021-08-09 Julian Brown <julian@codesourcery.com>
377 Nathan Sidwell <nathan@codesourcery.com> (via 'gcc/config/nvptx/nvptx.c' master)
378 Kwok Cheung Yeung <kcy@codesourcery.com>
379 Thomas Schwinge <thomas@codesourcery.com>
381 * Makefile.in (OBJS): Add omp-oacc-neuter-broadcast.o.
382 * doc/tm.texi.in (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD):
383 Add documentation hook.
384 * doc/tm.texi: Regenerate.
385 * omp-oacc-neuter-broadcast.cc: New file.
386 * omp-builtins.def (BUILT_IN_GOACC_BARRIER)
387 (BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START)
388 (BUILT_IN_GOACC_SINGLE_COPY_END): New builtins.
389 * passes.def (pass_omp_oacc_neuter_broadcast): Add pass.
390 * target.def (goacc.create_worker_broadcast_record): Add target
392 * tree-pass.h (make_pass_omp_oacc_neuter_broadcast): Add
394 * config/gcn/gcn-protos.h (gcn_goacc_adjust_propagation_record):
395 Rename prototype to...
396 (gcn_goacc_create_worker_broadcast_record): ... this.
397 * config/gcn/gcn-tree.c (gcn_goacc_adjust_propagation_record): Rename
399 (gcn_goacc_create_worker_broadcast_record): ... this.
400 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_PROPAGATION_RECORD):
402 (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD): ... this.
404 2021-08-09 Tejas Belagod <tejas.belagod@arm.com>
407 * config/aarch64/aarch64-simd.md (vlshr<mode>3, vashr<mode>3): Use
410 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
412 * Makefile.in (GTFILES): Remove '$(srcdir)/omp-offload.c'.
414 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
416 * builtins.def (DEF_GOACC_BUILTIN, DEF_GOMP_BUILTIN): Don't
417 consider '-foffload-abi'.
418 * common.opt (-foffload-abi): Remove 'Var', 'Init'.
419 * opts.c (common_handle_option) <-foffload-abi> [ACCEL_COMPILER]:
422 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
424 * optc-gen.awk: Sanity check that 'Init' doesn't appear without
427 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
429 * omp-builtins.def (BUILT_IN_ACC_GET_DEVICE_TYPE): Remove.
431 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
433 * doc/gty.texi (Files): Update.
435 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
437 * doc/gty.texi (Files): Fix GTY header file example.
439 2021-08-09 Roger Sayle <roger@nextmovesoftware.com>
441 * tree-ssa-ccp.c (value_mask_to_min_max): Helper function to
442 determine the upper and lower bounds from a mask-value pair.
443 (bit_value_unop) [ABS_EXPR, ABSU_EXPR]: Add support for
444 absolute value and unsigned absolute value expressions.
445 (bit_value_binop): Initialize *VAL's precision.
446 [LT_EXPR, LE_EXPR]: Use value_mask_to_min_max to determine
447 upper and lower bounds of operands. Add LE_EXPR/GE_EXPR
448 support when the operands are unknown but potentially equal.
449 [MIN_EXPR, MAX_EXPR]: Support minimum/maximum expressions.
451 2021-08-09 Bin Cheng <bin.cheng@linux.alibaba.com>
453 * config/aarch64/aarch64.md
454 (*extend<SHORT:mode><GPI:mode>2_aarch64): Use %<GPI:w>0.
456 2021-08-08 Sergei Trofimovich <siarheit@google.com>
458 * lra-constraints.c: Fix s/otput/output/ typo.
460 2021-08-06 Martin Sebor <msebor@redhat.com>
462 * builtins.c (expand_builtin_memchr): Move to gimple-ssa-warn-access.cc.
463 (expand_builtin_strcat): Same.
464 (expand_builtin_stpncpy): Same.
465 (expand_builtin_strncat): Same.
466 (check_read_access): Same.
467 (check_memop_access): Same.
468 (expand_builtin_strlen): Move checks to gimple-ssa-warn-access.cc.
469 (expand_builtin_strnlen): Same.
470 (expand_builtin_memcpy): Same.
471 (expand_builtin_memmove): Same.
472 (expand_builtin_mempcpy): Same.
473 (expand_builtin_strcpy): Same.
474 (expand_builtin_strcpy_args): Same.
475 (expand_builtin_stpcpy_1): Same.
476 (expand_builtin_strncpy): Same.
477 (expand_builtin_memset): Same.
478 (expand_builtin_bzero): Same.
479 (expand_builtin_strcmp): Same.
480 (expand_builtin_strncmp): Same.
481 (expand_builtin): Remove handlers.
482 (fold_builtin_strlen): Add a comment.
483 * builtins.h (check_access): Move to gimple-ssa-warn-access.cc.
484 * calls.c (maybe_warn_nonstring_arg): Same.
485 * diagnostic-spec.c (nowarn_spec_t::nowarn_spec_t): Add warning option.
486 * gimple-fold.c (gimple_fold_builtin_strcpy): Pass argument to callee.
487 (gimple_fold_builtin_stpcpy): Same.
488 * gimple-ssa-warn-access.cc (has_location): New function.
489 (get_location): Same.
490 (get_callee_fndecl): Same.
493 (warn_string_no_nul): Define.
494 (unterminated_array): Same.
495 (check_nul_terminated_array): Same.
496 (maybe_warn_nonstring_arg): Same.
497 (maybe_warn_for_bound): Same.
498 (warn_for_access): Same.
499 (check_access): Same.
500 (check_memop_access): Same.
501 (check_read_access): Same.
502 (warn_dealloc_offset): Use helper functions.
503 (maybe_emit_free_warning): Same.
504 (class pass_waccess): Add members.
505 (check_strcat): New function.
506 (check_strncat): New function.
507 (check_stxcpy): New function.
508 (check_stxncpy): New function.
509 (check_strncmp): New function.
510 (pass_waccess::check_builtin): New function.
511 (pass_waccess::check): Call it.
512 * gimple-ssa-warn-access.h (warn_string_no_nul): Move here from
514 (maybe_warn_for_bound): Same.
515 (check_access): Same.
516 (check_memop_access): Same.
517 (check_read_access): Same.
518 * pointer-query.h (struct access_data): Define a ctor overload.
520 2021-08-06 Richard Biener <rguenther@suse.de>
522 PR tree-optimization/101801
523 * tree-vectorizer.h (vect_worthwhile_without_simd_p): Rename...
524 (vect_can_vectorize_without_simd_p): ... to this.
525 * tree-vect-loop.c (vect_worthwhile_without_simd_p): Rename...
526 (vect_can_vectorize_without_simd_p): ... to this and fold
527 in vect_min_worthwhile_factor.
528 (vect_min_worthwhile_factor): Remove.
529 (vectorizable_reduction): Adjust and remove the cost part.
530 * tree-vect-stmts.c (vectorizable_shift): Likewise.
531 (vectorizable_operation): Likewise.
533 2021-08-06 Uroš Bizjak <ubizjak@gmail.com>
536 * config/i386/i386.md (cmove reg-to-reg move elimination peephole2s):
537 Add general_gr_operand predicate to operand 3.
539 2021-08-06 Roger Sayle <roger@nextmovesoftware.com>
541 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern): Use
542 CFN_BUILT_IN_CLRSB* instead of BUILT_IN_CLRSB* for consistency.
544 2021-08-06 Tamar Christina <tamar.christina@arm.com>
546 * config/aarch64/aarch64-sve-builtins.cc (register_svpattern,
547 register_svprfop): Pass vec<> by pointer.
548 * langhooks-def.h (lhd_simulate_enum_decl): Likewise.
549 * langhooks.c (lhd_simulate_enum_decl): Likewise.
550 * langhooks.h (struct lang_hooks_for_types): Likewise.
552 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
554 * config/aarch64/arm_neon.h (vst1_bf16_x2): Use
555 __builtin_memcpy instead of constructing an additional
556 __builtin_aarch64_simd_oi one vector at a time.
557 (vst1q_bf16_x2): Likewise.
558 (vst1_bf16_x3): Use __builtin_memcpy instead of constructing
559 an additional __builtin_aarch64_simd_ci one vector at a time.
560 (vst1q_bf16_x3): Likewise.
561 (vst1_bf16_x4): Use __builtin_memcpy instead of a union.
562 (vst1q_bf16_x4): Likewise.
563 (vst2_bf16): Use __builtin_memcpy instead of constructing an
564 additional __builtin_aarch64_simd_oi one vector at a time.
565 (vst2q_bf16): Likewise.
566 (vst3_bf16): Use __builtin_memcpy instead of constructing an
567 additional __builtin_aarch64_simd_ci mode one vector at a
569 (vst3q_bf16): Likewise.
570 (vst4_bf16): Use __builtin_memcpy instead of constructing an
571 additional __builtin_aarch64_simd_xi one vector at a time.
572 (vst4q_bf16): Likewise.
574 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
576 * config/aarch64/arm_neon.h (__ST2_LANE_FUNC): Delete.
577 (__ST2Q_LANE_FUNC): Delete.
578 (vst2_lane_f16): Use __builtin_memcpy to copy vector
579 structure instead of constructing __builtin_aarch64_simd_oi
580 one vector at a time.
581 (vst2_lane_f32): Likewise.
582 (vst2_lane_f64): Likewise.
583 (vst2_lane_p8): Likewise.
584 (vst2_lane_p16): Likewise.
585 (vst2_lane_p64): Likewise.
586 (vst2_lane_s8): Likewise.
587 (vst2_lane_s16): Likewise.
588 (vst2_lane_s32): Likewise.
589 (vst2_lane_s64): Likewise.
590 (vst2_lane_u8): Likewise.
591 (vst2_lane_u16): Likewise.
592 (vst2_lane_u32): Likewise.
593 (vst2_lane_u64): Likewise.
594 (vst2_lane_bf16): Likewise.
595 (vst2q_lane_f16): Use __builtin_memcpy to copy vector
596 structure instead of using a union.
597 (vst2q_lane_f32): Likewise.
598 (vst2q_lane_f64): Likewise.
599 (vst2q_lane_p8): Likewise.
600 (vst2q_lane_p16): Likewise.
601 (vst2q_lane_p64): Likewise.
602 (vst2q_lane_s8): Likewise.
603 (vst2q_lane_s16): Likewise.
604 (vst2q_lane_s32): Likewise.
605 (vst2q_lane_s64): Likewise.
606 (vst2q_lane_u8): Likewise.
607 (vst2q_lane_u16): Likewise.
608 (vst2q_lane_u32): Likewise.
609 (vst2q_lane_u64): Likewise.
610 (vst2q_lane_bf16): Likewise.
612 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
614 * config/aarch64/arm_neon.h (__ST3_LANE_FUNC): Delete.
615 (__ST3Q_LANE_FUNC): Delete.
616 (vst3_lane_f16): Use __builtin_memcpy to copy vector
617 structure instead of constructing __builtin_aarch64_simd_ci
618 one vector at a time.
619 (vst3_lane_f32): Likewise.
620 (vst3_lane_f64): Likewise.
621 (vst3_lane_p8): Likewise.
622 (vst3_lane_p16): Likewise.
623 (vst3_lane_p64): Likewise.
624 (vst3_lane_s8): Likewise.
625 (vst3_lane_s16): Likewise.
626 (vst3_lane_s32): Likewise.
627 (vst3_lane_s64): Likewise.
628 (vst3_lane_u8): Likewise.
629 (vst3_lane_u16): Likewise.
630 (vst3_lane_u32): Likewise.
631 (vst3_lane_u64): Likewise.
632 (vst3_lane_bf16): Likewise.
633 (vst3q_lane_f16): Use __builtin_memcpy to copy vector
634 structure instead of using a union.
635 (vst3q_lane_f32): Likewise.
636 (vst3q_lane_f64): Likewise.
637 (vst3q_lane_p8): Likewise.
638 (vst3q_lane_p16): Likewise.
639 (vst3q_lane_p64): Likewise.
640 (vst3q_lane_s8): Likewise.
641 (vst3q_lane_s16): Likewise.
642 (vst3q_lane_s32): Likewise.
643 (vst3q_lane_s64): Likewise.
644 (vst3q_lane_u8): Likewise.
645 (vst3q_lane_u16): Likewise.
646 (vst3q_lane_u32): Likewise.
647 (vst3q_lane_u64): Likewise.
648 (vst3q_lane_bf16): Likewise.
650 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
652 * config/aarch64/arm_neon.h (__ST4_LANE_FUNC): Delete.
653 (__ST4Q_LANE_FUNC): Delete.
654 (vst4_lane_f16): Use __builtin_memcpy to copy vector
655 structure instead of constructing __builtin_aarch64_simd_xi
656 one vector at a time.
657 (vst4_lane_f32): Likewise.
658 (vst4_lane_f64): Likewise.
659 (vst4_lane_p8): Likewise.
660 (vst4_lane_p16): Likewise.
661 (vst4_lane_p64): Likewise.
662 (vst4_lane_s8): Likewise.
663 (vst4_lane_s16): Likewise.
664 (vst4_lane_s32): Likewise.
665 (vst4_lane_s64): Likewise.
666 (vst4_lane_u8): Likewise.
667 (vst4_lane_u16): Likewise.
668 (vst4_lane_u32): Likewise.
669 (vst4_lane_u64): Likewise.
670 (vst4_lane_bf16): Likewise.
671 (vst4q_lane_f16): Use __builtin_memcpy to copy vector
672 structure instead of using a union.
673 (vst4q_lane_f32): Likewise.
674 (vst4q_lane_f64): Likewise.
675 (vst4q_lane_p8): Likewise.
676 (vst4q_lane_p16): Likewise.
677 (vst4q_lane_p64): Likewise.
678 (vst4q_lane_s8): Likewise.
679 (vst4q_lane_s16): Likewise.
680 (vst4q_lane_s32): Likewise.
681 (vst4q_lane_s64): Likewise.
682 (vst4q_lane_u8): Likewise.
683 (vst4q_lane_u16): Likewise.
684 (vst4q_lane_u32): Likewise.
685 (vst4q_lane_u64): Likewise.
686 (vst4q_lane_bf16): Likewise.
688 2021-08-06 Martin Liska <mliska@suse.cz>
690 * config/rs6000/rs6000.c (rs6000_option_override_internal): When
691 a target option is restored, it can have
692 rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode
693 and error should not be emitted.
695 2021-08-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
697 * gcov-io.h (gcov_write): Declare.
698 * gcov-io.c (gcov_write): New.
699 (gcov_write_counter): Remove.
700 (gcov_write_tag_length): Likewise.
701 (gcov_write_summary): Replace gcov_write_tag_length() with calls to
702 gcov_write_unsigned().
703 * doc/invoke.texi (fprofile-info-section): Mention
704 __gcov_info_to_gdca().
706 2021-08-06 Martin Sebor <msebor@redhat.com>
708 * dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
709 arguments to by-reference.
710 (iterate_fix_dominators): Same.
711 * dominance.h (iterate_fix_dominators): Same.
712 * ipa-prop.h: Call auto_vec::to_vec_legacy.
713 * tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
714 arguments to by-reference.
715 (debug_data_dependence_relation): Same.
716 (dump_data_dependence_relations): Same.
717 * tree-data-ref.h (debug_data_dependence_relation): Same.
718 (dump_data_dependence_relations): Same.
719 * tree-predcom.c (dump_chains): Same.
720 (initialize_root_vars_lm): Same.
721 (determine_unroll_factor): Same.
722 (replace_phis_by_defined_names): Same.
723 (insert_init_seqs): Same.
724 (pcom_worker::tree_predictive_commoning_loop): Call
725 auto_vec::to_vec_legacy.
726 * tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
727 arguments to by-reference.
728 * tree-ssa-threadbackward.c (populate_worklist): Same.
729 (back_threader::resolve_def): Same.
730 * tree-vect-data-refs.c (vect_check_nonzero_value): Same.
731 (vect_enhance_data_refs_alignment): Same.
732 (vect_check_lower_bound): Same.
733 (vect_prune_runtime_alias_test_list): Same.
734 (vect_permute_store_chain): Same.
735 * tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
736 * tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
737 * tree-vectorizer.h (vect_permute_store_chain): Same.
738 * vec.c (test_init): New function.
739 (vec_c_tests): Call new function.
740 * vec.h (vec): Declare ctors, dtor, and assignment.
741 (auto_vec::vec_to_legacy): New function.
742 (vec::copy): Adjust initialization.
744 2021-08-05 H.J. Lu <hjl.tools@gmail.com>
747 * config/i386/i386.c (ix86_can_inline_p): Ignore MASK_80387 if
748 callee only uses GPRs.
749 * config/i386/ia32intrin.h: Revert commit 5463cee2770.
750 * config/i386/serializeintrin.h: Revert commit 71958f740f1.
751 * config/i386/x86gprintrin.h: Add
752 #pragma GCC target("general-regs-only") and #pragma GCC pop_options
753 to disable non-GPR ISAs.
755 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
758 * doc/md.texi (cond_ashl, cond_ashr, cond_lshr): Document.
760 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
762 * tree-vectorizer.h (vect_is_store_elt_extraction, vect_is_reduction)
763 (vect_reduc_type, vect_embedded_comparison_type, vect_comparison_type)
764 (vect_is_extending_load, vect_is_integer_truncation): New functions,
765 moved from aarch64.c but given different names.
766 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction)
767 (aarch64_is_reduction, aarch64_reduc_type)
768 (aarch64_embedded_comparison_type, aarch64_comparison_type)
769 (aarch64_extending_load_p, aarch64_integer_truncation_p): Delete
770 in favor of the above. Update callers accordingly.
772 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
775 * config/arm/arm-cpus.in (generic-armv7-a): Add quirk to suppress
776 writing .cpu directive in asm output.
777 * config/arm/arm.c (arm_identify_fpu_from_isa): New variable.
778 (arm_last_printed_arch_string): Delete.
779 (arm_last-printed_fpu_string): Delete.
780 (arm_configure_build_target): If use of floating-point/SIMD is
781 disabled, remove all fp/simd related features from the target ISA.
782 (last_arm_targ_options): New variable.
783 (arm_print_asm_arch_directives): Add new parameters. Change order
784 of emitted directives and handle all cases here.
785 (arm_file_start): Always call arm_print_asm_arch_directives, move
786 all generation of .arch/.arch_extension here.
787 (arm_file_end): Call arm_print_asm_arch.
788 (arm_declare_function_name): Call arm_print_asm_arch_directives
789 instead of printing .arch/.fpu directives directly.
791 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
793 * config/arm/arm.c (arm_configure_build_target): Don't call
794 arm_option_reconfigure_globals.
795 (arm_option_restore): Call arm_option_reconfigure_globals after
796 reconfiguring the target.
797 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
799 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
801 * config/arm/arm.c (arm_configure_build_target): Ensure the target's
802 arch_name is always set.
804 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
806 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
807 of vec_select high-half from being added into Neon subtract
810 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
812 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
813 of vec_select high-half from being added into Neon add cost.
815 2021-08-05 Kewen Lin <linkw@linux.ibm.com>
817 * cfgloop.h (loops_list::loops_list): Add one optional argument
818 root and adjust accordingly, update loop tree walking and factor
820 * cfgloop.c (loops_list::walk_loop_tree): ... this. New function.
822 2021-08-05 Eric Botcazou <ebotcazou@gcc.gnu.org>
824 PR tree-optimization/101626
825 * tree-sra.c (propagate_subaccesses_from_rhs): Do not set the
826 reverse scalar storage order on a pointer or vector component.
828 2021-08-05 liuhongt <hongtao.liu@intel.com>
830 * config/i386/sse.md (cond_<code><mode>): New expander.
832 2021-08-05 liuhongt <hongtao.liu@intel.com>
834 * config/i386/sse.md (cond_<code><mode>): New expander.
836 2021-08-05 liuhongt <hongtao.liu@intel.com>
838 * config/i386/sse.md (cond_<code><mode>): New expander.
840 2021-08-04 David Malcolm <dmalcolm@redhat.com>
843 * Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
845 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
848 * config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
849 only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
851 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
854 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
855 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
856 data with SSE register from one memory location to another.
858 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
860 * config/s390/s390.c (expand_perm_with_vpdi): New function.
861 (vectorize_vec_perm_const_1): Call expand_perm_with_vpdi.
862 * config/s390/vector.md (*vpdi1<mode>, @vpdi1<mode>): Enable a
863 parameterized expander.
864 (*vpdi4<mode>, @vpdi4<mode>): Likewise.
866 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
868 * config/s390/s390.c (MAX_VECT_LEN): Define macro.
869 (struct expand_vec_perm_d): Define struct.
870 (expand_perm_with_merge): New function.
871 (vectorize_vec_perm_const_1): New function.
872 (s390_vectorize_vec_perm_const): New function.
873 (TARGET_VECTORIZE_VEC_PERM_CONST): Define target macro.
875 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
877 * config/s390/vector.md (V_HW_64): Remove mode iterator.
878 (*vec_load_pair<mode>): Use V_HW_2 instead of V_HW_64.
879 * config/s390/vx-builtins.md
880 (vec_scatter_element<V_HW_2:mode>_SI): Use V_HW_2 instead of
883 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
885 * config/s390/s390.md (UNSPEC_VEC_PERMI): Remove constant
887 * config/s390/vector.md (*vpdi1<mode>, *vpdi4<mode>): New pattern
889 * config/s390/vx-builtins.md (*vec_permi<mode>): Emit generic rtx
890 instead of an unspec.
892 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
894 * config/s390/s390-modes.def: Add more vector modes to support
895 concatenation of two vectors.
896 * config/s390/s390-protos.h (s390_expand_merge_perm_const): Add
898 (s390_expand_merge): Likewise.
899 * config/s390/s390.c (s390_expand_merge_perm_const): New function.
900 (s390_expand_merge): New function.
901 * config/s390/s390.md (UNSPEC_VEC_MERGEH, UNSPEC_VEC_MERGEL):
902 Remove constant definitions.
903 * config/s390/vector.md (V_HW_2): Add mode iterators.
904 (VI_HW_4, V_HW_4): Rename VI_HW_4 to V_HW_4.
905 (vec_2x_nelts, vec_2x_wide): New mode attributes.
906 (*vmrhb, *vmrlb, *vmrhh, *vmrlh, *vmrhf, *vmrlf, *vmrhg, *vmrlg):
907 New pattern definitions.
908 (vec_widen_umult_lo_<mode>, vec_widen_umult_hi_<mode>)
909 (vec_widen_smult_lo_<mode>, vec_widen_smult_hi_<mode>)
910 (vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf, vec_unpacks_lo_v2df)
911 (vec_unpacks_hi_v2df): Adjust expanders to emit non-unspec RTX for
913 * config/s390/vx-builtins.md (V_HW_4): Remove mode iterator. Now
915 (vec_mergeh<mode>, vec_mergel<mode>): Use s390_expand_merge to
916 emit vec merge pattern.
918 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
920 * config/aarch64/aarch64.c (aarch64_strip_extend_vec_half):
922 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent cost of
923 vec_select high-half from being added into Neon multiply
925 * rtlanal.c (vec_series_highpart_p): Define.
926 * rtlanal.h (vec_series_highpart_p): Declare.
928 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
930 * config/aarch64/aarch64.c (aarch64_strip_duplicate_vec_elt):
932 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent
933 vec_select cost from being added into Neon multiply cost.
935 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
937 * tree-vect-loop.c (vect_better_loop_vinfo_p): Detect cases in
938 which old_loop_vinfo is an epilogue loop that handles a constant
939 number of iterations.
941 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
943 * tree-vect-loop.c (vect_analyze_loop): Print a dump message
944 when a reanalyzed loop fails to be cheaper than the current
947 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
949 * config/aarch64/aarch64.c: Fix a typo.
951 2021-08-04 Vincent Lefèvre <vincent-gcc@vinc17.net>
953 PR gcov-profile/101773
954 * gcov-io.c (gcov_close): Check return code of a fclose.
956 2021-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
959 * dwarf2out.c (dwarf2out_assembly_start): Emit a dummy
960 .file statement when needed.
962 2021-08-04 Richard Biener <rguenther@suse.de>
964 * tree-vect-data-refs.c (vect_check_gather_scatter):
965 Include widening conversions only when the result is
966 still handed by native gather or the current offset
967 size not already matches the data size.
968 Also succeed analysis in case there's no native support,
969 noted by a IFN_LAST ifn and a NULL decl.
970 (vect_analyze_data_refs): Always consider gathers.
971 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
972 Test for no IFN gather rather than decl gather.
973 * tree-vect-stmts.c (vect_model_load_cost): Pass in the
974 gather-scatter info and cost emulated gathers accordingly.
975 (vect_truncate_gather_scatter_offset): Properly test for
977 (vect_use_strided_gather_scatters_p): Likewise.
978 (get_load_store_type): Handle emulated gathers and its
980 (vectorizable_load): Likewise. Emulate them by extracting
981 scalar offsets, doing scalar loads and a vector construct.
983 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
986 * expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
987 argument to set m_max_size.
988 (move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
989 (store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
990 (compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
992 2021-08-04 Roger Sayle <roger@nextmovesoftware.com>
993 Marc Glisse <marc.glisse@inria.fr>
995 * match.pd (bit_ior, bit_xor): Canonicalize (X*C1)|(X*C2) and
996 (X*C1)^(X*C2) as X*(C1+C2), and related variants, using
997 tree_nonzero_bits to ensure that operands are bit-wise disjoint.
999 2021-08-04 Richard Biener <rguenther@suse.de>
1001 * tree-ssa-forwprop.c (pass_forwprop::execute): Split
1002 out code to decompose vector loads ...
1003 (optimize_vector_load): ... here. Generalize it to
1004 handle intermediate widening and TARGET_MEM_REF loads
1005 and apply it to loads with a supported vector mode as well.
1007 2021-08-04 Richard Biener <rguenther@suse.de>
1009 PR tree-optimization/101756
1010 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Make sure
1011 the result of the reduction epilogue is compatible to the original
1014 2021-08-04 liuhongt <hongtao.liu@intel.com>
1017 * config/i386/i386.md (peephole2): Refine predicate from
1018 register_operand to general_reg_operand.
1020 2021-08-04 Aldy Hernandez <aldyh@redhat.com>
1022 * gimple-range-path.h (path_range_query::dump): Mark override.
1024 2021-08-04 Richard Biener <rguenther@suse.de>
1026 PR tree-optimization/101769
1027 * tree-tailcall.c (eliminate_tail_call): Add the created loop
1028 for the first recursion and return it via the new output parameter.
1029 (optimize_tail_call): Pass through new output param.
1030 (tree_optimize_tail_calls_1): After creating all latches,
1031 add the created loop to the loop tree. Do not mark loops for fixup.
1033 2021-08-04 Martin Liska <mliska@suse.cz>
1035 * doc/invoke.texi: Document threader-mode param.
1037 2021-08-04 liuhongt <hongtao.liu@intel.com>
1039 * config/i386/sse.md (cond_fma<mode>): New expander.
1040 (cond_fms<mode>): Ditto.
1041 (cond_fnma<mode>): Ditto.
1042 (cond_fnms<mode>): Ditto.
1044 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
1046 * config/rs6000/vsx.md (*vsx_le_perm_store_<mode>): Use && instead of &.
1048 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
1050 * config/rs6000/constraints.md: Remove "e" from the list of available
1051 constraint characters.
1053 2021-08-03 Eugene Rozenfeld <erozen@microsoft.com>
1055 PR gcov-profile/71672
1056 * auto-profile.c (afdo_indirect_call): Fix setup of the historgram value for indirect calls.
1058 2021-08-03 Paul A. Clarke <pc@us.ibm.com>
1060 * config/rs6000/smmintrin.h (_mm_minpos_epu16): New.
1062 2021-08-03 H.J. Lu <hjl.tools@gmail.com>
1064 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): In 64-bit mode,
1065 try XMM31 to avoid vzeroupper.
1067 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1069 * doc/invoke.texi: Document -mtune=neoverse-512tvb and
1070 -mcpu=neoverse-512tvb.
1071 * config/aarch64/aarch64-cores.def (neoverse-512tvb): New entry.
1072 * config/aarch64/aarch64-tune.md: Regenerate.
1073 * config/aarch64/aarch64.c (neoverse512tvb_sve_vector_cost)
1074 (neoverse512tvb_sve_issue_info, neoverse512tvb_vec_issue_info)
1075 (neoverse512tvb_vector_cost, neoverse512tvb_tunings): New structures.
1076 (aarch64_adjust_body_cost_sve): Handle -mtune=neoverse-512tvb.
1077 (aarch64_adjust_body_cost): Likewise.
1079 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1081 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Only
1082 record issue information for operations that occur in the
1085 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1087 * config/aarch64/aarch64.c (aarch64_multiply_add_p): Add a vec_flags
1088 parameter. Detect cases in which an Advanced SIMD MLA would almost
1089 certainly require a MOV.
1090 (aarch64_count_ops): Update accordingly.
1092 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1094 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction): New
1095 function, split out from...
1096 (aarch64_detect_vector_stmt_subtype): ...here.
1097 (aarch64_add_stmt_cost): Treat extracting element 0 as free.
1099 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1101 * config/aarch64/aarch64-protos.h (sve_vec_cost):
1102 Add gather_load_x32_cost and gather_load_x64_cost.
1103 * config/aarch64/aarch64.c (generic_sve_vector_cost)
1104 (a64fx_sve_vector_cost, neoversev1_sve_vector_cost): Update
1105 accordingly, using the values given by the scalar_load * number
1106 of elements calculation that we used previously.
1107 (aarch64_detect_vector_stmt_subtype): Use the new fields.
1109 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1111 * config/aarch64/aarch64.c (aarch64_adjust_body_cost_sve): New
1112 function, split out from...
1113 (aarch64_adjust_body_cost): ...here.
1115 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1117 * config/aarch64/fractional-cost.h: New file.
1118 * config/aarch64/aarch64.c: Include <algorithm> (indirectly)
1119 and cost_fraction.h.
1120 (vec_cost_fraction): New typedef.
1121 (aarch64_detect_scalar_stmt_subtype): Use it for statement costs.
1122 (aarch64_detect_vector_stmt_subtype): Likewise.
1123 (aarch64_sve_adjust_stmt_cost, aarch64_adjust_stmt_cost): Likewise.
1124 (aarch64_estimate_min_cycles_per_iter): Use vec_cost_fraction
1126 (aarch64_adjust_body_cost): Likewise.
1127 (aarch64_test_cost_fraction): New function.
1128 (aarch64_run_selftests): Call it.
1130 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1132 * config/aarch64/aarch64-protos.h (tune_params::sve_width): Turn
1134 * config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Update
1136 (aarch64_estimated_poly_value): Likewise. Use the least significant
1137 set bit for the minimum and likely values. Use the most significant
1138 set bit for the maximum value.
1140 2021-08-03 liuhongt <hongtao.liu@intel.com>
1142 * config/i386/sse.md (cond_<insn><mode>): New expander.
1143 (cond_mul<mode>): Ditto.
1145 2021-08-03 Kewen Lin <linkw@linux.ibm.com>
1147 * tree-cfg.c (move_sese_region_to_fn): Fix typos on dloop.
1149 2021-08-03 liuhongt <hongtao.liu@intel.com>
1151 * config/i386/sse.md (cond_<insn><mode>):New expander.
1152 (cond_mul<mode>): Ditto.
1153 (cond_div<mode>): Ditto.
1155 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
1157 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Also
1158 check stack_realign_needed for stack realignment.
1159 (ix86_legitimate_constant_p): Always allow CONST_WIDE_INT smaller
1160 than the largest integer supported by vector register.
1161 * config/i386/i386.h (MAX_MOVE_MAX): New. Set to 64.
1162 (MOVE_MAX): Set to bytes of the largest integer supported by
1164 (STORE_MAX_PIECES): New.
1166 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
1168 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
1169 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
1170 data from one memory location to another.
1172 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
1175 * config/i386/i386.c (TARGET_GEN_MEMSET_SCRATCH_RTX): New.
1177 2021-08-02 Aldy Hernandez <aldyh@redhat.com>
1179 PR tree-optimization/101724
1180 * params.opt: Remove --param=threader-iterative.
1181 * tree-ssa-threadbackward.c (pass_thread_jumps::execute): Remove
1184 2021-08-02 Tom de Vries <tdevries@suse.de>
1186 PR middle-end/101665
1187 * doc/extend.texi (nonnull attribute): Improve documentation.
1189 2021-08-02 Andrew Pinski <apinski@marvell.com>
1191 PR rtl-optimization/101683
1192 * rtlanal.c (may_trap_p_1): Handle UNSIGNED_FIX.
1194 2021-08-02 Roger Sayle <roger@nextmovesoftware.com>
1196 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern):
1197 Renamed from cond_removal_in_popcount_clz_ctz_pattern.
1198 Add support for BSWAP, FFS, PARITY and CLRSB builtins.
1199 (tree_ssa_phiop_worker): Update call to function above.
1201 2021-08-01 H.J. Lu <hjl.tools@gmail.com>
1204 * config/i386/i386.md (bsr_rex64_1_zext): New.
1205 (combine splitter for constant - clzll): Replace gen_bsr_rex64_1
1206 with gen_bsr_rex64_1_zext.
1208 2021-07-31 Jakub Jelinek <jakub@redhat.com>
1211 * config/i386/i386.md (bsr_rex64_1, bsr_1, bsr_zext_1): New
1212 define_insn patterns.
1213 (*bsr_rex64_2, *bsr_2): New define_insn_and_split patterns.
1214 Add combine splitters for constant - clz.
1215 (clz<mode>2): Use a temporary pseudo for bsr result.
1217 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
1219 * config/rs6000/smmintrin.h (_mm_floor_pd, _mm_floor_ps,
1220 _mm_floor_sd, _mm_floor_ss): New.
1222 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
1224 * config/rs6000/smmintrin.h (_mm_ceil_pd, _mm_ceil_ps,
1225 _mm_ceil_sd, _mm_ceil_ss): New.
1227 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
1229 * config/rs6000/smmintrin.h (_mm_blend_pd, _mm_blendv_pd,
1230 _mm_blend_ps, _mm_blendv_ps): New.
1232 2021-07-30 Roger Sayle <roger@nextmovesoftware.com>
1233 Uroš Bizjak <ubizjak@gmail.com>
1235 * config/i386/i386.md (*dec_cmov<mode>): New define_insn_and_split
1236 to generate a conditional move using the carry flag after sub $1.
1237 (peephole2): Eliminate a register-to-register move by inverting
1238 the condition of a conditional move.
1240 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
1242 * config/mmix/mmix.md ("call", "call_value", "*call_real")
1243 ("*call_value_real"): Don't generate rtx mentioning the generic
1244 operands 1 and 2 to "call", and similarly for "call_value".
1245 * config/mmix/mmix.c (mmix_print_operand_punct_valid_p)
1246 (mmix_print_operand): Use '!' instead of 'p'.
1248 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
1250 * doc/md.texi (call): Correct information about operand 2.
1251 * config/mmix/mmix.md ("call", "call_value"): Remove fixed FIXMEs.
1253 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
1255 * range-op.cc (operator_trunc_mod::wi_fold): Fold constants.
1257 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
1259 * range-op.cc (operator_div::wi_fold): Return UNDEFINED for [0, 0] divisor.
1261 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
1263 * gimple-range-cache.cc (*::set_bb_range): Change const basic_block to
1265 (*::get_bb_range): Ditto.
1266 (*::bb_range_p): Ditto.
1267 * gimple-range-cache.h: Change prototypes.
1269 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
1272 * builtins.c (builtin_memcpy_read_str): Change the mode argument
1273 from scalar_int_mode to fixed_size_mode.
1274 (builtin_strncpy_read_str): Likewise.
1275 (gen_memset_value_from_prev): New function.
1276 (builtin_memset_read_str): Change the mode argument from
1277 scalar_int_mode to fixed_size_mode. Use gen_memset_value_from_prev
1278 and support CONST_VECTOR.
1279 (builtin_memset_gen_str): Likewise.
1280 (try_store_by_multiple_pieces): Use by_pieces_constfn to declare
1282 * builtins.h (builtin_strncpy_read_str): Replace scalar_int_mode
1283 with fixed_size_mode.
1284 (builtin_memset_read_str): Likewise.
1285 * expr.c (widest_int_mode_for_size): Renamed to ...
1286 (widest_fixed_size_mode_for_size): Add a bool argument to
1287 indicate if QI vector mode can be used.
1288 (by_pieces_ninsns): Call widest_fixed_size_mode_for_size
1289 instead of widest_int_mode_for_size.
1290 (pieces_addr::adjust): Change the mode argument from
1291 scalar_int_mode to fixed_size_mode.
1292 (op_by_pieces_d): Make m_len read-only. Add a bool member,
1293 m_qi_vector_mode, to indicate that QI vector mode can be used.
1294 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
1295 initialize m_qi_vector_mode. Call widest_fixed_size_mode_for_size
1296 instead of widest_int_mode_for_size.
1297 (op_by_pieces_d::get_usable_mode): Change the mode argument from
1298 scalar_int_mode to fixed_size_mode. Call
1299 widest_fixed_size_mode_for_size instead of
1300 widest_int_mode_for_size.
1301 (op_by_pieces_d::smallest_fixed_size_mode_for_size): New member
1302 function to return the smallest integer or QI vector mode.
1303 (op_by_pieces_d::run): Call widest_fixed_size_mode_for_size
1304 instead of widest_int_mode_for_size. Call
1305 smallest_fixed_size_mode_for_size instead of
1306 smallest_int_mode_for_size.
1307 (store_by_pieces_d::store_by_pieces_d): Add a bool argument to
1308 indicate that QI vector mode can be used and pass it to
1309 op_by_pieces_d::op_by_pieces_d.
1310 (can_store_by_pieces): Call widest_fixed_size_mode_for_size
1311 instead of widest_int_mode_for_size. Pass memsetp to
1312 widest_fixed_size_mode_for_size to support QI vector mode.
1313 Allow all CONST_VECTORs for memset if vec_duplicate is supported.
1314 (store_by_pieces): Pass memsetp to
1315 store_by_pieces_d::store_by_pieces_d.
1316 (clear_by_pieces_1): Removed.
1317 (clear_by_pieces): Replace clear_by_pieces_1 with
1318 builtin_memset_read_str and pass true to store_by_pieces_d to
1319 support vector mode broadcast.
1320 (string_cst_read_str): Change the mode argument from
1321 scalar_int_mode to fixed_size_mode.
1322 * expr.h (by_pieces_constfn): Change scalar_int_mode to
1324 (by_pieces_prev): Likewise.
1325 * rtl.h (lowpart_subreg_regno): New.
1326 * rtlanal.c (lowpart_subreg_regno): New. A wrapper around
1327 simplify_subreg_regno.
1328 * target.def (gen_memset_scratch_rtx): New hook.
1329 * doc/tm.texi.in: Add TARGET_GEN_MEMSET_SCRATCH_RTX.
1330 * doc/tm.texi: Regenerated.
1332 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
1335 * config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
1336 TARGET_EXPR instead of MODIFY_EXPR.
1338 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
1341 * config/mips/mips-protos.h (mips_expand_vec_cmp_expr): Declare.
1342 * config/mips/mips.c (mips_expand_vec_cmp_expr): New function.
1343 * config/mips/mips-msa.md (vec_cmp<MSA:mode><mode_i>): New
1345 (vec_cmpu<IMSA:mode><mode_i>): New expander.
1347 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
1350 * config/i386/i386-options.c (ix86_option_override_internal):
1351 Don't enable LZCNT/POPCNT if they have been disabled explicitly.
1353 2021-07-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
1356 * config/arm/arm_neon.h (vld1_p64): Replace call to builtin by
1357 explicitly dereferencing __a.
1358 (vld1_s64): Likewise.
1359 (vld1_u64): Likewise.
1360 * config/arm/arm_neon_builtins.def (vld1): Remove entry for di
1361 and change to VAR13.
1363 2021-07-30 Aldy Hernandez <aldyh@redhat.com>
1365 * gimple-loop-versioning.cc (lv_dom_walker::lv_dom_walker): Remove
1366 use of m_range_analyzer.
1367 (loop_versioning::lv_dom_walker::before_dom_children): Same.
1368 (loop_versioning::lv_dom_walker::after_dom_children): Remove.
1369 (loop_versioning::prune_loop_conditions): Replace vr_values use
1370 with range_query interface.
1371 (pass_loop_versioning::execute): Use ranger.
1373 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
1376 * ipa-devirt.c (ipa_odr_read_section): Compare the precision of
1377 enum values, and emit a warning if they mismatch.
1379 2021-07-30 Kewen Lin <linkw@linux.ibm.com>
1381 * cfgloop.h (as_const): New function.
1382 (class loop_iterator): Rename to ...
1383 (class loops_list): ... this.
1384 (loop_iterator::next): Rename to ...
1385 (loops_list::Iter::fill_curr_loop): ... this and adjust.
1386 (loop_iterator::loop_iterator): Rename to ...
1387 (loops_list::loops_list): ... this and adjust.
1388 (loops_list::Iter): New class.
1389 (loops_list::iterator): New type.
1390 (loops_list::const_iterator): New type.
1391 (loops_list::begin): New function.
1392 (loops_list::end): Likewise.
1393 (loops_list::begin const): Likewise.
1394 (loops_list::end const): Likewise.
1395 (FOR_EACH_LOOP): Remove.
1396 (FOR_EACH_LOOP_FN): Remove.
1397 * cfgloop.c (flow_loops_dump): Adjust FOR_EACH_LOOP* with range-based
1398 for loop with loops_list instance.
1399 (sort_sibling_loops): Likewise.
1400 (disambiguate_loops_with_multiple_latches): Likewise.
1401 (verify_loop_structure): Likewise.
1402 * cfgloopmanip.c (create_preheaders): Likewise.
1403 (force_single_succ_latches): Likewise.
1404 * config/aarch64/falkor-tag-collision-avoidance.c
1405 (execute_tag_collision_avoidance): Likewise.
1406 * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Likewise.
1407 * config/s390/s390.c (s390_adjust_loops): Likewise.
1408 * doc/loop.texi: Likewise.
1409 * gimple-loop-interchange.cc (pass_linterchange::execute): Likewise.
1410 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
1411 * gimple-loop-versioning.cc (loop_versioning::analyze_blocks): Likewise.
1412 (loop_versioning::make_versioning_decisions): Likewise.
1413 * gimple-ssa-split-paths.c (split_paths): Likewise.
1414 * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise.
1415 * graphite.c (canonicalize_loop_form): Likewise.
1416 (graphite_transform_loops): Likewise.
1417 * ipa-fnsummary.c (analyze_function_body): Likewise.
1418 * ipa-pure-const.c (analyze_function): Likewise.
1419 * loop-doloop.c (doloop_optimize_loops): Likewise.
1420 * loop-init.c (loop_optimizer_finalize): Likewise.
1421 (fix_loop_structure): Likewise.
1422 * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
1423 (move_loop_invariants): Likewise.
1424 * loop-unroll.c (decide_unrolling): Likewise.
1425 (unroll_loops): Likewise.
1426 * modulo-sched.c (sms_schedule): Likewise.
1427 * predict.c (predict_loops): Likewise.
1428 (pass_profile::execute): Likewise.
1429 * profile.c (branch_prob): Likewise.
1430 * sel-sched-ir.c (sel_finish_pipelining): Likewise.
1431 (sel_find_rgns): Likewise.
1432 * tree-cfg.c (replace_loop_annotate): Likewise.
1433 (replace_uses_by): Likewise.
1434 (move_sese_region_to_fn): Likewise.
1435 * tree-if-conv.c (pass_if_conversion::execute): Likewise.
1436 * tree-loop-distribution.c (loop_distribution::execute): Likewise.
1437 * tree-parloops.c (parallelize_loops): Likewise.
1438 * tree-predcom.c (tree_predictive_commoning): Likewise.
1439 * tree-scalar-evolution.c (scev_initialize): Likewise.
1440 (scev_reset): Likewise.
1441 * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
1442 * tree-ssa-live.c (remove_unused_locals): Likewise.
1443 * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
1444 * tree-ssa-loop-im.c (analyze_memory_references): Likewise.
1445 (tree_ssa_lim_initialize): Likewise.
1446 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
1447 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Likewise.
1448 * tree-ssa-loop-manip.c (get_loops_exits): Likewise.
1449 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Likewise.
1450 (free_numbers_of_iterations_estimates): Likewise.
1451 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1452 * tree-ssa-loop-split.c (tree_ssa_split_loops): Likewise.
1453 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Likewise.
1454 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
1455 (pass_scev_cprop::execute): Likewise.
1456 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
1457 * tree-ssa-sccvn.c (do_rpo_vn): Likewise.
1458 * tree-ssa-threadupdate.c
1459 (jump_thread_path_registry::thread_through_all_blocks): Likewise.
1460 * tree-vectorizer.c (vectorize_loops): Likewise.
1461 * tree-vrp.c (vrp_asserts::find_assert_locations): Likewise.
1463 2021-07-29 Hans-Peter Nilsson <hp@bitrange.com>
1465 * config/mmix/mmix.c (mmix_function_arg_1): Avoid
1466 generating a VOIDmode register for e.g the
1467 function_arg_info::end_marker.
1469 2021-07-29 Jeff Law <jeffreyalaw@gmail.com>
1471 * config/h8300/h8300-modes.def: Add CCZ, CCV and CCC, drop CCZNV.
1472 * config/h8300/h8300.md (H8cc mode iterator): Add CCZ.
1473 (cc mode_attr): Similarly.
1474 (ccz subst_attr): Similarly.
1475 * config/h8300/jumpcall.md: Add new patterns for branch-on-bit.
1476 * config/h8300/testcompare.md: Remove various cc0 based patterns
1477 that had been commented out. Add pattern to set CCZ from a bit
1480 2021-07-29 Thomas Schwinge <thomas@codesourcery.com>
1481 Julian Brown <julian@codesourcery.com>
1482 Kwok Cheung Yeung <kcy@codesourcery.com>
1484 * omp-offload.c (oacc_loop_xform_head_tail, oacc_loop_process):
1485 'update_stmt' after modification.
1486 (pass_oacc_loop_designation): New function, extracted out of...
1487 (pass_oacc_device_lower): ... this.
1488 (pass_data_oacc_loop_designation, pass_oacc_loop_designation)
1489 (make_pass_oacc_loop_designation): New
1490 * passes.def: Add it.
1491 * tree-parloops.c (create_parallel_loop): Adjust.
1492 * tree-pass.h (make_pass_oacc_loop_designation): New.
1494 2021-07-29 Aldy Hernandez <aldyh@redhat.com>
1496 * flag-types.h (enum threader_mode): New.
1497 * params.opt: Add entry for --param=threader-mode.
1498 * tree-ssa-threadbackward.c (THREADER_ITERATIVE_MODE): New.
1499 (class back_threader): New.
1500 (back_threader::back_threader): New.
1501 (back_threader::~back_threader): New.
1502 (back_threader::maybe_register_path): New.
1503 (back_threader::find_taken_edge): New.
1504 (back_threader::find_taken_edge_switch): New.
1505 (back_threader::find_taken_edge_cond): New.
1506 (back_threader::resolve_def): New.
1507 (back_threader::resolve_phi): New.
1508 (back_threader::find_paths_to_names): New.
1509 (back_threader::find_paths): New.
1512 (thread_jumps::find_jump_threads_backwards): Call ranger threader.
1513 (thread_jumps::find_jump_threads_backwards_with_ranger): New.
1514 (pass_thread_jumps::execute): Abstract out code...
1515 (try_thread_blocks): ...here.
1516 * tree-ssa-threadedge.c (jump_threader::thread_outgoing_edges):
1517 Abstract out threading candidate code to...
1518 (single_succ_to_potentially_threadable_block): ...here.
1519 * tree-ssa-threadedge.h (single_succ_to_potentially_threadable_block):
1521 * tree-ssa-threadupdate.c (register_jump_thread): Return boolean.
1522 * tree-ssa-threadupdate.h (class jump_thread_path_registry):
1523 Return bool from register_jump_thread.
1525 2021-07-29 Andreas Krebbel <krebbel@linux.ibm.com>
1527 * target.def: in0 and in1 do not need to be registers.
1528 * doc/tm.texi: Regenerate.
1530 2021-07-29 liuhongt <hongtao.liu@intel.com>
1533 * config/i386/i386.c (ix86_widen_mult_cost): New function.
1534 (ix86_add_stmt_cost): Use ix86_widen_mult_cost for
1537 2021-07-29 Jiufu Guo <guojiufu@linux.ibm.com>
1540 * config/rs6000/rs6000.c (TARGET_PREFERRED_DOLOOP_MODE): New hook.
1541 (rs6000_preferred_doloop_mode): New hook.
1542 * doc/tm.texi: Regenerate.
1543 * doc/tm.texi.in: Add hook preferred_doloop_mode.
1544 * target.def (preferred_doloop_mode): New hook.
1545 * targhooks.c (default_preferred_doloop_mode): New hook.
1546 * targhooks.h (default_preferred_doloop_mode): New hook.
1547 * tree-ssa-loop-ivopts.c (compute_doloop_base_on_mode): New function.
1548 (add_iv_candidate_for_doloop): Call targetm.preferred_doloop_mode
1549 and compute_doloop_base_on_mode.
1551 2021-07-28 Martin Sebor <msebor@redhat.com>
1553 PR middle-end/101494
1554 * tree-ssa-uninit.c (maybe_warn_operand): Correct object offset
1555 and size computation.
1557 2021-07-28 Martin Sebor <msebor@redhat.com>
1559 PR middle-end/101601
1560 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Remove
1562 Handle pointers to functions.
1564 2021-07-28 Martin Sebor <msebor@redhat.com>
1566 * Makefile.in (OBJS): Add gimple-ssa-warn-access.o and pointer-query.o.
1567 * attribs.h (fndecl_dealloc_argno): Move fndecl_dealloc_argno to tree.h.
1568 * builtins.c (compute_objsize_r): Move to pointer-query.cc.
1569 (access_ref::access_ref): Same.
1570 (access_ref::phi): Same.
1571 (access_ref::get_ref): Same.
1572 (access_ref::size_remaining): Same.
1573 (access_ref::offset_in_range): Same.
1574 (access_ref::add_offset): Same.
1575 (access_ref::inform_access): Same.
1576 (ssa_name_limit_t::visit_phi): Same.
1577 (ssa_name_limit_t::leave_phi): Same.
1578 (ssa_name_limit_t::next): Same.
1579 (ssa_name_limit_t::next_phi): Same.
1580 (ssa_name_limit_t::~ssa_name_limit_t): Same.
1581 (pointer_query::pointer_query): Same.
1582 (pointer_query::get_ref): Same.
1583 (pointer_query::put_ref): Same.
1584 (pointer_query::flush_cache): Same.
1585 (warn_string_no_nul): Move to gimple-ssa-warn-access.cc.
1586 (check_nul_terminated_array): Same.
1587 (unterminated_array): Same.
1588 (maybe_warn_for_bound): Same.
1589 (check_read_access): Same.
1590 (warn_for_access): Same.
1591 (get_size_range): Same.
1592 (check_access): Same.
1593 (gimple_call_alloc_size): Move to tree.c.
1594 (gimple_parm_array_size): Move to pointer-query.cc.
1595 (get_offset_range): Same.
1596 (gimple_call_return_array): Same.
1597 (handle_min_max_size): Same.
1598 (handle_array_ref): Same.
1599 (handle_mem_ref): Same.
1600 (compute_objsize): Same.
1601 (gimple_call_alloc_p): Move to gimple-ssa-warn-access.cc.
1602 (call_dealloc_argno): Same.
1603 (fndecl_dealloc_argno): Same.
1604 (new_delete_mismatch_p): Same.
1605 (matching_alloc_calls_p): Same.
1606 (warn_dealloc_offset): Same.
1607 (maybe_emit_free_warning): Same.
1608 * builtins.h (check_nul_terminated_array): Move to
1609 gimple-ssa-warn-access.h.
1610 (check_nul_terminated_array): Same.
1611 (warn_string_no_nul): Same.
1612 (unterminated_array): Same.
1613 (class ssa_name_limit_t): Same.
1614 (class pointer_query): Same.
1615 (struct access_ref): Same.
1616 (class range_query): Same.
1617 (struct access_data): Same.
1618 (gimple_call_alloc_size): Same.
1619 (gimple_parm_array_size): Same.
1620 (compute_objsize): Same.
1621 (class access_data): Same.
1622 (maybe_emit_free_warning): Same.
1623 * calls.c (initialize_argument_information): Remove call to
1624 maybe_emit_free_warning.
1625 * gimple-array-bounds.cc: Include new header..
1626 * gimple-fold.c: Same.
1627 * gimple-ssa-sprintf.c: Same.
1628 * gimple-ssa-warn-restrict.c: Same.
1629 * passes.def: Add pass_warn_access.
1630 * tree-pass.h (make_pass_warn_access): Declare.
1631 * tree-ssa-strlen.c: Include new headers.
1632 * tree.c (fndecl_dealloc_argno): Move here from builtins.c.
1633 * tree.h (fndecl_dealloc_argno): Move here from attribs.h.
1634 * gimple-ssa-warn-access.cc: New file.
1635 * gimple-ssa-warn-access.h: New file.
1636 * pointer-query.cc: New file.
1637 * pointer-query.h: New file.
1639 2021-07-28 Jakub Jelinek <jakub@redhat.com>
1641 PR middle-end/101624
1642 * ubsan.c (maybe_instrument_pointer_overflow,
1643 instrument_object_size): Only test DECL_REGISTER on VAR_DECLs,
1644 PARM_DECLs or RESULT_DECLs.
1645 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Likewise.
1647 2021-07-28 Jakub Jelinek <jakub@redhat.com>
1649 PR middle-end/101642
1650 * match.pd (bswap16 (x) == bswap16 (y)): Cast both operands
1651 to type of bswap16 for comparison.
1652 (bswap16 (x) == cst): Cast bswap16 operand to type of cst.
1654 2021-07-28 Richard Biener <rguenther@suse.de>
1656 PR tree-optimization/101615
1657 * tree-vect-slp.c (vect_optimize_slp): Materialize permutes
1658 at CTOR SLP graph entries.
1660 2021-07-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1662 * config/aarch64/aarch64.md (*extend<SHORT:mode><GPI:mode>2_aarch64):
1663 Add "r,w" alternative.
1665 2021-07-28 H.J. Lu <hjl.tools@gmail.com>
1668 * config/i386/i386.c (ix86_avx_u128_mode_needed): Don't set
1669 AVX_U128_DIRTY when all bits are zero.
1671 2021-07-28 Richard Biener <rguenther@suse.de>
1673 PR tree-optimization/101615
1674 * tree-vect-slp.c (vect_optimize_slp): Pre-existing vector
1675 external nodes cannot be permuted so make them perm_out 0.
1677 2021-07-28 Andrew Stubbs <ams@codesourcery.com>
1680 * config.in: Regenerate.
1681 * config/gcn/gcn-hsa.h (A_FIJI): New define.
1682 (A_900): New define.
1683 (A_906): New define.
1684 (A_908): New define.
1685 (ASM_SPEC): Use A_FIJI, A_900, A_906 and A_908.
1686 * config/gcn/gcn.c (output_file_start): Adjust attributes according
1687 to the assembler capabilities.
1688 * config/gcn/mkoffload.c (main): Likewise.
1689 * configure: Regenerate.
1690 * configure.ac: Add tests for LLVM assembler attribute features.
1692 2021-07-28 Andrew MacLeod <amacleod@redhat.com>
1694 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Check for
1695 cond_false and cond_true on branches.
1697 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
1699 * config/aarch64/aarch64.c (aarch64_gen_adjusted_ldpstp): use
1702 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
1704 * alias.c (init_alias_analysis): Don't skip prologue/epilogue.
1706 2021-07-28 Jakub Jelinek <jakub@redhat.com>
1709 * config/i386/sse.md (vashr<mode>3): Split into vashrv8di3 expander
1710 and vashrv4di3 expander, where the latter requires just TARGET_AVX2
1711 and has special !TARGET_AVX512VL expansion.
1712 (vashrv2di3<mask_name>): Rename to ...
1713 (vashrv2di3): ... this. Change condition to TARGET_XOP || TARGET_AVX2
1714 and add special !TARGET_XOP && !TARGET_AVX512VL expansion.
1716 2021-07-28 Martin Uecker <muecker@gwdg.de>
1718 * calls.c (maybe_warn_rdwr_sizes): Correct argument
1719 numbers in warning that were switched.
1721 2021-07-28 Kewen Lin <linkw@linux.ibm.com>
1723 PR tree-optimization/101596
1724 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Fix wrong check
1725 by using new_type's precision instead.
1727 2021-07-28 liuhongt <hongtao.liu@intel.com>
1730 * config/i386/i386.h (processor_costs): Add new member
1732 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
1733 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
1734 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
1735 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
1736 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
1737 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
1738 generic_cost, core_cost): Initialize integer_to_sse same value
1740 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
1741 * config/i386/i386.c (ix86_builtin_vectorization_cost):
1742 Use integer_to_sse instead of sse_op to calculate the cost of
1745 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
1747 * config/rs6000/rs6000-gen-builtins.c (write_ovld_static_init): New
1749 (write_init_file): Call write_ovld_static_init.
1751 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
1753 * config/rs6000/rs6000-gen-builtins.c (write_bif_static_init): New
1755 (write_init_file): Call write_bif_static_init.
1757 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
1759 * config/rs6000/rs6000-gen-builtins.c (typemap): New struct.
1760 (TYPE_MAP_SIZE): New macro.
1761 (type_map): New initialized variable.
1762 (typemap_cmp): New function.
1763 (write_type_node): Likewise.
1764 (write_fntype_init): Implement.
1766 2021-07-27 Martin Sebor <msebor@redhat.com>
1768 PR tree-optimization/101584
1769 * tree-ssa-uninit.c (builtin_call_nomodifying_p): New function.
1770 (check_defs): Call it.
1772 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
1774 * tree-ssa-dom.c (dom_jump_threader_simplifier):
1775 Put avail_exprs_stack in the class, instead of passing it to
1776 jump_threader_simplifier.
1777 (dom_jump_threader_simplifier::simplify): Add state argument.
1778 (dom_opt_dom_walker): Add state.
1779 (pass_dominator::execute): Pass state to threader.
1780 (dom_opt_dom_walker::before_dom_children): Use state.
1781 * tree-ssa-threadedge.c (jump_threader::jump_threader): Replace
1783 (jump_threader::record_temporary_equivalences_from_phis):
1784 Register equivalences through the state variable.
1785 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
1786 Record ranges in a statement through the state variable.
1787 (jump_threader::simplify_control_stmt_condition): Pass state to
1789 (jump_threader::simplify_control_stmt_condition_1): Same.
1790 (jump_threader::thread_around_empty_blocks): Remove obsolete
1792 (jump_threader::thread_through_normal_block): Record equivalences
1793 on edge through the state variable.
1794 (jump_threader::thread_across_edge): Abstract state pushing.
1795 (jt_state::jt_state): New.
1796 (jt_state::push): New.
1797 (jt_state::pop): New.
1798 (jt_state::register_equiv): New.
1799 (jt_state::record_ranges_from_stmt): New.
1800 (jt_state::register_equivs_on_edge): New.
1801 (jump_threader_simplifier::jump_threader_simplifier): Move from
1803 (jump_threader_simplifier::simplify): Add state argument.
1804 * tree-ssa-threadedge.h (class jt_state): New.
1805 (class jump_threader): Add state to constructor.
1806 (class jump_threader_simplifier): Add state to simplify. Remove
1807 avail_exprs_stack from class.
1808 * tree-vrp.c (vrp_jump_threader_simplifier::simplify): Add state
1810 (vrp_jump_threader::vrp_jump_threader): Add state.
1811 (vrp_jump_threader::~vrp_jump_threader): Cleanup state.
1813 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
1815 * Makefile.in (OBJS): Add gimple-range-path.o.
1816 * gimple-range-path.cc: New file.
1817 * gimple-range-path.h: New file.
1819 2021-07-27 Jonathan Wright <jonathan.wright@arm.com>
1821 * config/aarch64/aarch64-simd.md: Push sign/zero-extension
1822 inside vec_duplicate for all patterns.
1823 * simplify-rtx.c (simplify_context::simplify_unary_operation_1):
1824 Push sign/zero-extension inside vec_duplicate.
1826 2021-07-27 Richard Biener <rguenther@suse.de>
1828 PR tree-optimization/101573
1829 * tree-ssa-uninit.c (warn_uninit_phi_uses): New function
1830 looking at uninitialized PHI arg defs in some constrained cases.
1831 (warn_uninitialized_vars): Call it.
1832 (execute_early_warn_uninitialized): Calculate dominators.
1834 2021-07-27 Richard Biener <rguenther@suse.de>
1836 PR tree-optimization/39821
1837 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): Use
1838 vector_stmt for widening arithmetic.
1839 (vectorizable_conversion): Adjust.
1841 2021-07-27 Martin Jambor <mjambor@suse.cz>
1843 * cgraph.h (ipa_replace_map): New field force_load_ref.
1844 * ipa-prop.h (ipa_param_descriptor): Reduce precision of move_cost,
1845 aded new flag load_dereferenced, adjusted comments.
1846 (ipa_get_param_dereferenced): New function.
1847 (ipa_set_param_dereferenced): Likewise.
1848 * cgraphclones.c (cgraph_node::create_virtual_clone): Follow it.
1849 * ipa-cp.c: Include gimple.h.
1850 (ipcp_discover_new_direct_edges): Take into account dereferenced flag.
1851 (get_replacement_map): New parameter force_load_ref, set the
1852 appropriate flag in ipa_replace_map if set.
1853 (struct symbol_and_index_together): New type.
1854 (adjust_refs_in_act_callers): New function.
1855 (adjust_references_in_caller): Likewise.
1856 (create_specialized_node): When appropriate, call
1857 adjust_references_in_caller and force only load references.
1858 * ipa-prop.c (load_from_dereferenced_name): New function.
1859 (ipa_analyze_controlled_uses): Also detect loads from a
1860 dereference, harden testing of call statements.
1861 (ipa_write_node_info): Stream the dereferenced flag.
1862 (ipa_read_node_info): Likewise.
1863 (ipa_set_jf_constant): Also create refdesc when jump function
1864 references a variable.
1865 (cgraph_node_for_jfunc): Rename to symtab_node_for_jfunc, work
1866 also on references of variables and return a symtab_node. Adjust
1868 (propagate_controlled_uses): Also remove references to VAR_DECLs.
1870 2021-07-27 Jakub Jelinek <jakub@redhat.com>
1872 PR middle-end/101586
1873 * gimple-fold.c (clear_padding_type): Ignore FIELD_DECLs with byte
1874 positions above or equal to sz except for diagnostics of flexible
1877 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
1879 PR tree-optimization/78888
1880 * gimple-range-fold.cc (get_letter_range): New.
1881 (fold_using_range::range_of_builtin_call): Call get_letter_range.
1883 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
1885 PR tree-optimization/78888
1886 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Add cases
1887 for CFN_BUILT_IN_TOUPPER and CFN_BUILT_IN_TOLOWER.
1889 2021-07-26 Roger Sayle <roger@nextmovesoftware.com>
1890 Marc Glisse <marc.glisse@inria.fr>
1892 * match.pd (rotate): Simplify equality/inequality of rotations.
1893 (bswap): Simplify equality/inequality tests of byte swapping.
1895 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
1897 * range-op.cc (operator_bitwise_xor::op1_op2_relation_effect):
1900 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
1902 * range-op.cc (operator_lshift::fold_range): Pass rel to
1903 base class fold_range.
1904 (operator_rshift::fold_range): Same.
1906 2021-07-26 Ashimida <ashimida@linux.alibaba.com>
1909 * toplev.h (min_align_loops_log): Remove declaration.
1910 (min_align_jumps_log, min_align_labels_log): Likewise.
1911 (min_align_functions_log): Likewise.
1913 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
1915 * tree-vrp.c (vrp_simplify_cond_using_ranges): Rename vr_values
1917 (execute_vrp): Abstract out simplification of conditionals...
1918 (simplify_casted_conds): ...here.
1920 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
1922 * gimple-array-bounds.cc (array_bounds_checker::get_value_range):
1923 Add gimple argument.
1924 (array_bounds_checker::check_array_ref): Same.
1925 (array_bounds_checker::check_addr_expr): Same.
1926 (array_bounds_checker::check_array_bounds): Pass statement to
1927 check_array_bounds and check_addr_expr.
1928 * gimple-array-bounds.h (check_array_bounds): Add gimple argument.
1929 (check_addr_expr): Same.
1930 (get_value_range): Same.
1932 2021-07-26 Tamar Christina <tamar.christina@arm.com>
1934 * config/aarch64/aarch64-simd-builtins.def (sdot, udot): Rename to..
1935 (sdot_prod, udot_prod): ... This.
1936 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>): Merged
1938 (<sur>dot_prod<vsi2qi>): ... this.
1939 (aarch64_<sur>dot_lane<vsi2qi>, aarch64_<sur>dot_laneq<vsi2qi>):
1940 Change operands order.
1941 (<sur>sadv16qi): Use new operands order.
1942 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32,
1943 vdotq_s32): Use new RTL ordering.
1945 2021-07-26 Tamar Christina <tamar.christina@arm.com>
1947 * config/aarch64/aarch64-builtins.c (TYPES_TERNOP_SUSS,
1948 aarch64_types_ternop_suss_qualifiers): New.
1949 * config/aarch64/aarch64-simd-builtins.def (usdot_prod): Use it.
1950 * config/aarch64/aarch64-simd.md (usdot_prod<vsi2qi>): Re-organize RTL.
1951 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Use it.
1953 2021-07-23 Jakub Jelinek <jakub@redhat.com>
1955 PR rtl-optimization/101562
1956 * expmed.c (store_integral_bit_field): Only use movstrict_optab
1957 if the operand isn't paradoxical.
1959 2021-07-23 Aldy Hernandez <aldyh@redhat.com>
1961 * gimple-array-bounds.h (class array_bounds_checker): Change
1962 ranges type to range_query.
1964 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
1966 * config/aarch64/arm_neon.h (vst1_s64_x2): Use
1967 __builtin_memcpy instead of constructing
1968 __builtin_aarch64_simd_oi one vector at a time.
1969 (vst1_u64_x2): Likewise.
1970 (vst1_f64_x2): Likewise.
1971 (vst1_s8_x2): Likewise.
1972 (vst1_p8_x2): Likewise.
1973 (vst1_s16_x2): Likewise.
1974 (vst1_p16_x2): Likewise.
1975 (vst1_s32_x2): Likewise.
1976 (vst1_u8_x2): Likewise.
1977 (vst1_u16_x2): Likewise.
1978 (vst1_u32_x2): Likewise.
1979 (vst1_f16_x2): Likewise.
1980 (vst1_f32_x2): Likewise.
1981 (vst1_p64_x2): Likewise.
1982 (vst1q_s8_x2): Likewise.
1983 (vst1q_p8_x2): Likewise.
1984 (vst1q_s16_x2): Likewise.
1985 (vst1q_p16_x2): Likewise.
1986 (vst1q_s32_x2): Likewise.
1987 (vst1q_s64_x2): Likewise.
1988 (vst1q_u8_x2): Likewise.
1989 (vst1q_u16_x2): Likewise.
1990 (vst1q_u32_x2): Likewise.
1991 (vst1q_u64_x2): Likewise.
1992 (vst1q_f16_x2): Likewise.
1993 (vst1q_f32_x2): Likewise.
1994 (vst1q_f64_x2): Likewise.
1995 (vst1q_p64_x2): Likewise.
1997 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
1999 * config/aarch64/arm_neon.h (vst1_s64_x3): Use
2000 __builtin_memcpy instead of constructing
2001 __builtin_aarch64_simd_ci one vector at a time.
2002 (vst1_u64_x3): Likewise.
2003 (vst1_f64_x3): Likewise.
2004 (vst1_s8_x3): Likewise.
2005 (vst1_p8_x3): Likewise.
2006 (vst1_s16_x3): Likewise.
2007 (vst1_p16_x3): Likewise.
2008 (vst1_s32_x3): Likewise.
2009 (vst1_u8_x3): Likewise.
2010 (vst1_u16_x3): Likewise.
2011 (vst1_u32_x3): Likewise.
2012 (vst1_f16_x3): Likewise.
2013 (vst1_f32_x3): Likewise.
2014 (vst1_p64_x3): Likewise.
2015 (vst1q_s8_x3): Likewise.
2016 (vst1q_p8_x3): Likewise.
2017 (vst1q_s16_x3): Likewise.
2018 (vst1q_p16_x3): Likewise.
2019 (vst1q_s32_x3): Likewise.
2020 (vst1q_s64_x3): Likewise.
2021 (vst1q_u8_x3): Likewise.
2022 (vst1q_u16_x3): Likewise.
2023 (vst1q_u32_x3): Likewise.
2024 (vst1q_u64_x3): Likewise.
2025 (vst1q_f16_x3): Likewise.
2026 (vst1q_f32_x3): Likewise.
2027 (vst1q_f64_x3): Likewise.
2028 (vst1q_p64_x3): Likewise.
2030 2021-07-23 H.J. Lu <hjl.tools@gmail.com>
2033 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): Don't return
2034 hard register when LRA is in progress.
2036 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2038 * config/aarch64/arm_neon.h (vst1_s8_x4): Use
2039 __builtin_memcpy instead of using a union.
2040 (vst1q_s8_x4): Likewise.
2041 (vst1_s16_x4): Likewise.
2042 (vst1q_s16_x4): Likewise.
2043 (vst1_s32_x4): Likewise.
2044 (vst1q_s32_x4): Likewise.
2045 (vst1_u8_x4): Likewise.
2046 (vst1q_u8_x4): Likewise.
2047 (vst1_u16_x4): Likewise.
2048 (vst1q_u16_x4): Likewise.
2049 (vst1_u32_x4): Likewise.
2050 (vst1q_u32_x4): Likewise.
2051 (vst1_f16_x4): Likewise.
2052 (vst1q_f16_x4): Likewise.
2053 (vst1_f32_x4): Likewise.
2054 (vst1q_f32_x4): Likewise.
2055 (vst1_p8_x4): Likewise.
2056 (vst1q_p8_x4): Likewise.
2057 (vst1_p16_x4): Likewise.
2058 (vst1q_p16_x4): Likewise.
2059 (vst1_s64_x4): Likewise.
2060 (vst1_u64_x4): Likewise.
2061 (vst1_p64_x4): Likewise.
2062 (vst1q_s64_x4): Likewise.
2063 (vst1q_u64_x4): Likewise.
2064 (vst1q_p64_x4): Likewise.
2065 (vst1_f64_x4): Likewise.
2066 (vst1q_f64_x4): Likewise.
2068 2021-07-23 Jonathan Wrightt <jonathan.wright@arm.com>
2070 * config/aarch64/arm_neon.h (vst2_s64): Use __builtin_memcpy
2071 instead of constructing __builtin_aarch64_simd_oi one vector
2073 (vst2_u64): Likewise.
2074 (vst2_f64): Likewise.
2075 (vst2_s8): Likewise.
2076 (vst2_p8): Likewise.
2077 (vst2_s16): Likewise.
2078 (vst2_p16): Likewise.
2079 (vst2_s32): Likewise.
2080 (vst2_u8): Likewise.
2081 (vst2_u16): Likewise.
2082 (vst2_u32): Likewise.
2083 (vst2_f16): Likewise.
2084 (vst2_f32): Likewise.
2085 (vst2_p64): Likewise.
2086 (vst2q_s8): Likewise.
2087 (vst2q_p8): Likewise.
2088 (vst2q_s16): Likewise.
2089 (vst2q_p16): Likewise.
2090 (vst2q_s32): Likewise.
2091 (vst2q_s64): Likewise.
2092 (vst2q_u8): Likewise.
2093 (vst2q_u16): Likewise.
2094 (vst2q_u32): Likewise.
2095 (vst2q_u64): Likewise.
2096 (vst2q_f16): Likewise.
2097 (vst2q_f32): Likewise.
2098 (vst2q_f64): Likewise.
2099 (vst2q_p64): Likewise.
2101 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2103 * config/aarch64/arm_neon.h (vst3_s64): Use __builtin_memcpy
2104 instead of constructing __builtin_aarch64_simd_ci one vector
2106 (vst3_u64): Likewise.
2107 (vst3_f64): Likewise.
2108 (vst3_s8): Likewise.
2109 (vst3_p8): Likewise.
2110 (vst3_s16): Likewise.
2111 (vst3_p16): Likewise.
2112 (vst3_s32): Likewise.
2113 (vst3_u8): Likewise.
2114 (vst3_u16): Likewise.
2115 (vst3_u32): Likewise.
2116 (vst3_f16): Likewise.
2117 (vst3_f32): Likewise.
2118 (vst3_p64): Likewise.
2119 (vst3q_s8): Likewise.
2120 (vst3q_p8): Likewise.
2121 (vst3q_s16): Likewise.
2122 (vst3q_p16): Likewise.
2123 (vst3q_s32): Likewise.
2124 (vst3q_s64): Likewise.
2125 (vst3q_u8): Likewise.
2126 (vst3q_u16): Likewise.
2127 (vst3q_u32): Likewise.
2128 (vst3q_u64): Likewise.
2129 (vst3q_f16): Likewise.
2130 (vst3q_f32): Likewise.
2131 (vst3q_f64): Likewise.
2132 (vst3q_p64): Likewise.
2134 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2136 * config/aarch64/arm_neon.h (vst4_s64): Use __builtin_memcpy
2137 instead of constructing __builtin_aarch64_simd_xi one vector
2139 (vst4_u64): Likewise.
2140 (vst4_f64): Likewise.
2141 (vst4_s8): Likewise.
2142 (vst4_p8): Likewise.
2143 (vst4_s16): Likewise.
2144 (vst4_p16): Likewise.
2145 (vst4_s32): Likewise.
2146 (vst4_u8): Likewise.
2147 (vst4_u16): Likewise.
2148 (vst4_u32): Likewise.
2149 (vst4_f16): Likewise.
2150 (vst4_f32): Likewise.
2151 (vst4_p64): Likewise.
2152 (vst4q_s8): Likewise.
2153 (vst4q_p8): Likewise.
2154 (vst4q_s16): Likewise.
2155 (vst4q_p16): Likewise.
2156 (vst4q_s32): Likewise.
2157 (vst4q_s64): Likewise.
2158 (vst4q_u8): Likewise.
2159 (vst4q_u16): Likewise.
2160 (vst4q_u32): Likewise.
2161 (vst4q_u64): Likewise.
2162 (vst4q_f16): Likewise.
2163 (vst4q_f32): Likewise.
2164 (vst4q_f64): Likewise.
2165 (vst4q_p64): Likewise.
2167 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2169 * config/aarch64/arm_neon.h (vtbx4_s8): Use __builtin_memcpy
2170 instead of constructing __builtin_aarch64_simd_oi one vector
2172 (vtbx4_u8): Likewise.
2173 (vtbx4_p8): Likewise.
2175 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2177 * config/aarch64/arm_neon.h (vtbl3_s8): Use __builtin_memcpy
2178 instead of constructing __builtin_aarch64_simd_oi one vector
2180 (vtbl3_u8): Likewise.
2181 (vtbl3_p8): Likewise.
2182 (vtbl4_s8): Likewise.
2183 (vtbl4_u8): Likewise.
2184 (vtbl4_p8): Likewise.
2186 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2188 * config/aarch64/arm_neon.h (vqtbx2_s8): Use __builtin_memcpy
2189 instead of constructing __builtin_aarch64_simd_oi one vector
2191 (vqtbx2_u8): Likewise.
2192 (vqtbx2_p8): Likewise.
2193 (vqtbx2q_s8): Likewise.
2194 (vqtbx2q_u8): Likewise.
2195 (vqtbx2q_p8): Likewise.
2196 (vqtbx3_s8): Use __builtin_memcpy instead of constructing
2197 __builtin_aarch64_simd_ci one vector at a time.
2198 (vqtbx3_u8): Likewise.
2199 (vqtbx3_p8): Likewise.
2200 (vqtbx3q_s8): Likewise.
2201 (vqtbx3q_u8): Likewise.
2202 (vqtbx3q_p8): Likewise.
2203 (vqtbx4_s8): Use __builtin_memcpy instead of constructing
2204 __builtin_aarch64_simd_xi one vector at a time.
2205 (vqtbx4_u8): Likewise.
2206 (vqtbx4_p8): Likewise.
2207 (vqtbx4q_s8): Likewise.
2208 (vqtbx4q_u8): Likewise.
2209 (vqtbx4q_p8): Likewise.
2211 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2213 * config/aarch64/arm_neon.h (vqtbl2_s8): Use __builtin_memcpy
2214 instead of constructing __builtin_aarch64_simd_oi one vector
2216 (vqtbl2_u8): Likewise.
2217 (vqtbl2_p8): Likewise.
2218 (vqtbl2q_s8): Likewise.
2219 (vqtbl2q_u8): Likewise.
2220 (vqtbl2q_p8): Likewise.
2221 (vqtbl3_s8): Use __builtin_memcpy instead of constructing
2222 __builtin_aarch64_simd_ci one vector at a time.
2223 (vqtbl3_u8): Likewise.
2224 (vqtbl3_p8): Likewise.
2225 (vqtbl3q_s8): Likewise.
2226 (vqtbl3q_u8): Likewise.
2227 (vqtbl3q_p8): Likewise.
2228 (vqtbl4_s8): Use __builtin_memcpy instead of constructing
2229 __builtin_aarch64_simd_xi one vector at a time.
2230 (vqtbl4_u8): Likewise.
2231 (vqtbl4_p8): Likewise.
2232 (vqtbl4q_s8): Likewise.
2233 (vqtbl4q_u8): Likewise.
2234 (vqtbl4q_p8): Likewise.
2236 2021-07-23 Haochen Gui <guihaoc@gcc.gnu.org>
2239 * config/rs6000/rs6000.md (cstore<mode>4): Fix wrong fall through.
2241 2021-07-22 Andrew Pinski <apinski@marvell.com>
2243 PR tree-optimization/10153
2244 * tree-tailcall.c (create_tailcall_accumulator):
2245 Don't call fold_convert as the type should be correct already.
2246 (tree_optimize_tail_calls_1): Use build_{one,zero}_cst instead
2247 of integer_{one,zero}_node for the call of create_tailcall_accumulator.
2249 2021-07-22 Aldy Hernandez <aldyh@redhat.com>
2251 * gimple-range-cache.cc (non_null_ref::adjust_range): Replace
2252 varying_p check for null/non-null check.
2254 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
2256 PR tree-optimization/101511
2257 * value-relation.cc (relation_oracle::query_relation): Check if ssa1
2258 is in ssa2's equiv set, and don't trap if so.
2260 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
2262 PR tree-optimization/101497
2263 * gimple-range-fold.cc (fold_using_range::range_of_cond_expr): Check
2266 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
2268 PR tree-optimization/101496
2269 * vr-values.c (simplify_using_ranges::fold_cond): Call range_of_stmt
2270 first, then vrp_visit_cond_Stmt.
2272 2021-07-22 liuhongt <hongtao.liu@intel.com>
2274 * config/i386/i386-expand.c
2275 (ix86_broadcast_from_integer_constant): Rename to ..
2276 (ix86_broadcast_from_constant): .. this, and extend it to
2278 (ix86_expand_vector_move): Extend to float mode.
2279 * config/i386/i386-features.c
2280 (replace_constant_pool_with_broadcast): Remove.
2281 (remove_partial_avx_dependency_gate): Ditto.
2282 (constant_pool_broadcast): Ditto.
2283 (class pass_constant_pool_broadcast): Ditto.
2284 (make_pass_constant_pool_broadcast): Ditto.
2285 (remove_partial_avx_dependency): Adjust gate.
2286 * config/i386/i386-passes.def: Remove pass_constant_pool_broadcast.
2287 * config/i386/i386-protos.h
2288 (make_pass_constant_pool_broadcast): Remove.
2290 2021-07-22 liuhongt <hongtao.liu@intel.com>
2292 * config/i386/constraints.md (Wb): New constraint.
2294 * config/i386/i386.md (*ashlhi3_1): Extend to avx512 mask
2296 (*ashlqi3_1): Ditto.
2297 (*<insn><mode>3_1): Split to ..
2298 (*ashr<mode>3_1): this, ...
2299 (*lshr<mode>3_1): and this, also extend this pattern to avx512
2301 (*<insn><mode>3_1): Split to ..
2302 (*ashr<mode>3_1): this, ...
2303 (*lshrqi3_1): and this, also extend this pattern to avx512
2305 (*lshrhi3_1): And this, also extend this pattern to avx512
2307 * config/i386/sse.md (k<code><mode>): New define_split after
2308 it to convert generic shift pattern to mask shift ones.
2310 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
2311 Joseph Myers <joseph@codesourcery.com>
2312 Cesar Philippidis <cesar@codesourcery.com>
2314 * tree-core.h (omp_clause_code): Add 'OMP_CLAUSE_NOHOST'.
2315 * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
2317 * tree-pretty-print.c (dump_omp_clause): Likewise.
2318 * omp-general.c (oacc_verify_routine_clauses): Likewise.
2319 * gimplify.c (gimplify_scan_omp_clauses)
2320 (gimplify_adjust_omp_clauses): Likewise.
2321 * tree-nested.c (convert_nonlocal_omp_clauses)
2322 (convert_local_omp_clauses): Likewise.
2323 * omp-low.c (scan_sharing_clauses): Likewise.
2324 * omp-offload.c (execute_oacc_device_lower): Update.
2326 2021-07-21 Martin Sebor <msebor@redhat.com>
2328 * tree-ssa-alias.c (walk_aliased_vdefs_1): Fix typos in a comment.
2330 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2332 * config/rs6000/rs6000-gen-builtins.c (write_init_bif_table):
2335 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2337 * config/rs6000/rs6000-gen-builtins.c (write_fntype): New
2339 (write_fntype_init): New stub function.
2340 (write_init_bif_table): Likewise.
2341 (write_init_ovld_table): New function.
2342 (write_init_file): Implement.
2344 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2346 * config/rs6000/rs6000-gen-builtins.c
2347 (write_autogenerated_header): New function.
2348 (write_decls): Likewise.
2349 (write_extern_fntype): New callback function.
2350 (write_header_file): Implement.
2352 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2354 * config/rs6000/rs6000-gen-builtins.c (write_defines_file):
2357 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2359 * config/rs6000/rs6000-gen-builtins.c (complete_vector_type): New
2361 (complete_base_type): Likewise.
2362 (construct_fntype_id): Likewise.
2363 (parse_bif_entry): Call contruct_fntype_id.
2364 (parse_ovld_entry): Likewise.
2366 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2368 * config/rs6000/rs6000-gen-builtins.c (ovld_stanza): New struct.
2369 (MAXOVLDSTANZAS): New macro.
2370 (ovld_stanzas): New variable.
2371 (curr_ovld_stanza): Likewise.
2372 (MAXOVLDS): New macro.
2373 (ovlddata): New struct.
2374 (ovlds): New variable.
2375 (curr_ovld): Likewise.
2376 (max_ovld_args): Likewise.
2377 (parse_ovld_entry): New function.
2378 (parse_ovld_stanza): Likewise.
2379 (parse_ovld): Implement.
2381 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2383 * config/rs6000/rs6000-gen-builtins.c (parse_bif_attrs):
2386 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2388 * config/rs6000/rs6000-gen-builtins.c (parse_args): New function.
2389 (parse_prototype): Implement.
2391 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2393 * config/rs6000/rs6000-gen-builtins.c (bif_stanza): New enum.
2394 (curr_bif_stanza): New variable.
2395 (stanza_entry): New struct.
2396 (stanza_map): New initialized variable.
2397 (enable_string): Likewise.
2398 (fnkinds): New enum.
2399 (typelist): New struct.
2400 (attrinfo): Likewise.
2401 (MAXRESTROPNDS): New macro.
2402 (prototype): New struct.
2403 (MAXBIFS): New macro.
2404 (bifdata): New struct.
2405 (bifs): New variable.
2406 (curr_bif): Likewise.
2407 (bif_order): Likewise.
2408 (bif_index): Likewise.
2409 (fatal): New function.
2410 (stanza_name_to_stanza): Likewise.
2411 (parse_bif_attrs): New stub function.
2412 (parse_prototype): Likewise.
2413 (parse_bif_entry): New function.
2414 (parse_bif_stanza): Likewise.
2415 (parse_bif): Implement.
2416 (set_bif_order): New function.
2417 (create_bif_order): Implement.
2419 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
2421 * config/rs6000/rs6000-gen-builtins.c (rbtree.h): New #include.
2422 (num_bifs): New variable.
2423 (num_ovld_stanzas): Likewise.
2424 (num_ovlds): Likewise.
2425 (parse_codes): New enum.
2426 (bif_rbt): New variable.
2427 (ovld_rbt): Likewise.
2428 (fntype_rbt): Likewise.
2429 (bifo_rbt): Likewise.
2430 (parse_bif): New stub function.
2431 (create_bif_order): Likewise.
2432 (parse_ovld): Likewise.
2433 (write_header_file): Likewise.
2434 (write_init_file): Likewise.
2435 (write_defines_file): Likewise.
2436 (delete_output_files): New function.
2439 2021-07-21 H.J. Lu <hjl.tools@gmail.com>
2442 * config/i386/i386-builtin.def: Remove OPTION_MASK_ISA_SSE4_2
2443 from CRC32 _builtin functions.
2445 2021-07-21 Sebastian Huber <sebastian.huber@embedded-brains.de>
2447 * coverage.c (build_gcov_info_var_registration): Mark the object placed
2448 in the linker set as referenced so that it does not get optimized away.
2450 2021-07-21 Kito Cheng <kito.cheng@sifive.com>
2453 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
2455 * config.gcc (riscv*-*-*): Detect which python is available.
2457 2021-07-21 Jakub Jelinek <jakub@redhat.com>
2459 PR middle-end/101535
2460 * gimplify.c (omp_check_private): Properly skip ORT_TARGET_DATA
2461 contexts in which decl isn't privatized and for ORT_TARGET return
2462 false if decl is mapped.
2464 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
2466 * gimple-loop-jam.c: Include tree-ssa-sccvn.h.
2467 (tree_loop_unroll_and_jam): Run value-numbering on a loop that
2468 has been successfully unrolled.
2470 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
2472 * tree-ssa-loop-manip.c (determine_exit_conditions): Return a null
2473 exit condition if no tail loop is needed, and if the original exit
2474 condition should therefore be kept as-is.
2475 (tree_transform_and_unroll_loop): Handle that case here too.
2477 2021-07-21 Kewen Lin <linkw@linux.ibm.com>
2479 * tree-data-ref.c (free_dependence_relations): Adjust to pass vec
2481 (free_data_refs): Likewise.
2482 * tree-data-ref.h (free_dependence_relations): Likewise.
2483 (free_data_refs): Likewise.
2484 * tree-predcom.c (struct chain): Use auto_vec instead of vec for
2486 (struct component): Likewise.
2487 (pcom_worker::pcom_worker): Adjust for auto_vec and renaming changes.
2488 (pcom_worker::~pcom_worker): Likewise.
2489 (pcom_worker::release_chain): Adjust as auto_vec changes.
2490 (pcom_worker::loop): Rename to ...
2491 (pcom_worker::m_loop): ... this.
2492 (pcom_worker::datarefs): Rename to ...
2493 (pcom_worker::m_datarefs): ... this. Use auto_vec instead of vec.
2494 (pcom_worker::dependences): Rename to ...
2495 (pcom_worker::m_dependences): ... this. Use auto_vec instead of vec.
2496 (pcom_worker::chains): Rename to ...
2497 (pcom_worker::m_chains): ... this. Use auto_vec instead of vec.
2498 (pcom_worker::looparound_phis): Rename to ...
2499 (pcom_worker::m_looparound_phis): ... this. Use auto_vec instead of
2501 (pcom_worker::cache): Rename to ...
2502 (pcom_worker::m_cache): ... this. Use auto_vec instead of vec.
2503 (pcom_worker::release_chain): Adjust for auto_vec changes.
2504 (pcom_worker::release_chains): Adjust for auto_vec and renaming
2506 (release_component): Remove.
2507 (release_components): Adjust for release_component removal.
2508 (component_of): Adjust to use vec.
2509 (merge_comps): Likewise.
2510 (pcom_worker::aff_combination_dr_offset): Adjust for renaming changes.
2511 (pcom_worker::determine_offset): Likewise.
2512 (class comp_ptrs): Remove.
2513 (pcom_worker::split_data_refs_to_components): Adjust for renaming
2514 changes, for comp_ptrs removal with auto_vec.
2515 (pcom_worker::suitable_component_p): Adjust for renaming changes.
2516 (pcom_worker::filter_suitable_components): Adjust for release_component
2518 (pcom_worker::valid_initializer_p): Adjust for renaming changes.
2519 (pcom_worker::find_looparound_phi): Likewise.
2520 (pcom_worker::add_looparound_copies): Likewise.
2521 (pcom_worker::determine_roots_comp): Likewise.
2522 (pcom_worker::single_nonlooparound_use): Likewise.
2523 (pcom_worker::execute_pred_commoning_chain): Likewise.
2524 (pcom_worker::execute_pred_commoning): Likewise.
2525 (pcom_worker::try_combine_chains): Likewise.
2526 (pcom_worker::prepare_initializers_chain): Likewise.
2527 (pcom_worker::prepare_initializers): Likewise.
2528 (pcom_worker::prepare_finalizers_chain): Likewise.
2529 (pcom_worker::prepare_finalizers): Likewise.
2530 (pcom_worker::tree_predictive_commoning_loop): Likewise.
2532 2021-07-20 Martin Sebor <msebor@redhat.com>
2534 PR middle-end/101397
2535 * builtins.c (gimple_call_return_array): Add argument. Correct
2536 offsets for memchr, mempcpy, stpcpy, and stpncpy.
2537 (compute_objsize_r): Adjust offset computation for argument returning
2540 2021-07-20 Martin Sebor <msebor@redhat.com>
2542 PR middle-end/101300
2543 * tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
2545 2021-07-20 Jeff Law <jlaw@localhost.localdomain>
2547 * function.c (assign_parm_setup_block): Use adjust_address instead
2548 of change_address to preserve MEM_EXPR and friends.
2550 2021-07-20 Martin Sebor <msebor@redhat.com>
2552 * cfgloop.h (single_likely_exit): Adjust by-value argument to
2554 * cfgloopanal.c (single_likely_exit): Same.
2555 * cgraph.h (struct cgraph_node): Same.
2556 * cgraphclones.c (cgraph_node::create_virtual_clone): Same.
2557 * genautomata.c (merge_states): Same.
2558 * genextract.c (VEC_char_to_string): Same.
2559 * genmatch.c (dt_node::gen_kids_1): Same.
2560 (walk_captures): Adjust by-value argument to by-reference.
2561 * gimple-ssa-store-merging.c (check_no_overlap): Adjust by-value argument
2562 to by-const-reference.
2563 * gimple.c (gimple_build_call_vec): Same.
2564 (gimple_build_call_internal_vec): Same.
2565 (gimple_build_switch): Same.
2566 (sort_case_labels): Same.
2567 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
2569 * gimple.h (gimple_build_call_vec): Adjust by-value argument to
2571 (gimple_build_call_internal_vec): Same.
2572 (gimple_build_switch): Same.
2573 (sort_case_labels): Same.
2574 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
2576 * haifa-sched.c (calc_priorities): Adjust by-value argument to
2578 (sched_init_luids): Same.
2579 (haifa_init_h_i_d): Same.
2580 * ipa-cp.c (ipa_get_indirect_edge_target_1): Same.
2581 (adjust_callers_for_value_intersection): Adjust by-value argument to
2583 (find_more_scalar_values_for_callers_subset): Adjust by-value argument to
2585 (find_more_contexts_for_caller_subset): Same.
2586 (find_aggregate_values_for_callers_subset): Same.
2587 (copy_useful_known_contexts): Same.
2588 * ipa-fnsummary.c (remap_edge_summaries): Same.
2589 (remap_freqcounting_predicate): Same.
2590 * ipa-inline.c (add_new_edges_to_heap): Adjust by-value argument to
2592 * ipa-predicate.c (predicate::remap_after_inlining): Adjust by-value argument
2593 to by-const-reference.
2594 * ipa-predicate.h (predicate::remap_after_inlining): Same.
2595 * ipa-prop.c (ipa_find_agg_cst_for_param): Same.
2596 * ipa-prop.h (ipa_find_agg_cst_for_param): Same.
2597 * ira-build.c (ira_loop_tree_body_rev_postorder): Same.
2598 * read-rtl.c (add_overload_instance): Same.
2599 * rtl.h (native_decode_rtx): Same.
2600 (native_decode_vector_rtx): Same.
2601 * sched-int.h (sched_init_luids): Same.
2602 (haifa_init_h_i_d): Same.
2603 * simplify-rtx.c (native_decode_vector_rtx): Same.
2604 (native_decode_rtx): Same.
2605 * tree-call-cdce.c (gen_shrink_wrap_conditions): Same.
2606 (shrink_wrap_one_built_in_call_with_conds): Same.
2607 (shrink_wrap_conditional_dead_built_in_calls): Same.
2608 * tree-data-ref.c (create_runtime_alias_checks): Same.
2609 (compute_all_dependences): Same.
2610 * tree-data-ref.h (compute_all_dependences): Same.
2611 (create_runtime_alias_checks): Same.
2612 (index_in_loop_nest): Same.
2613 * tree-if-conv.c (mask_exists): Same.
2614 * tree-loop-distribution.c (class loop_distribution): Same.
2615 (loop_distribution::create_rdg_vertices): Same.
2616 (dump_rdg_partitions): Same.
2617 (debug_rdg_partitions): Same.
2618 (partition_contains_all_rw): Same.
2619 (loop_distribution::distribute_loop): Same.
2620 * tree-parloops.c (oacc_entry_exit_ok_1): Same.
2621 (oacc_entry_exit_single_gang): Same.
2622 * tree-ssa-loop-im.c (hoist_memory_references): Same.
2623 (loop_suitable_for_sm): Same.
2624 * tree-ssa-loop-niter.c (bound_index): Same.
2625 * tree-ssa-reassoc.c (update_ops): Same.
2626 (swap_ops_for_binary_stmt): Same.
2627 (rewrite_expr_tree): Same.
2628 (rewrite_expr_tree_parallel): Same.
2629 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Same.
2630 * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Same.
2631 * tree-ssa-structalias.c (process_all_all_constraints): Same.
2632 (make_constraints_to): Same.
2633 (handle_lhs_call): Same.
2634 (find_func_aliases_for_builtin_call): Same.
2635 (sort_fieldstack): Same.
2636 (check_for_overlaps): Same.
2637 * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Same.
2638 (vect_create_cond_for_unequal_addrs): Same.
2639 (vect_create_cond_for_lower_bounds): Same.
2640 (vect_create_cond_for_alias_checks): Same.
2641 * tree-vect-slp-patterns.c (vect_validate_multiplication): Same.
2642 * tree-vect-slp.c (vect_analyze_slp_instance): Same.
2643 (vect_make_slp_decision): Same.
2644 (vect_slp_bbs): Same.
2645 (duplicate_and_interleave): Same.
2646 (vect_transform_slp_perm_load): Same.
2647 (vect_schedule_slp): Same.
2648 * tree-vectorizer.h (vect_transform_slp_perm_load): Same.
2649 (vect_schedule_slp): Same.
2650 (duplicate_and_interleave): Same.
2651 * tree.c (build_vector_from_ctor): Same.
2652 (build_vector): Same.
2653 (check_vector_cst): Same.
2654 (check_vector_cst_duplicate): Same.
2655 (check_vector_cst_fill): Same.
2656 (check_vector_cst_stepped): Same.
2657 * tree.h (build_vector_from_ctor): Same.
2659 2021-07-20 Jakub Jelinek <jakub@redhat.com>
2662 * config/rs6000/rs6000-protos.h (easy_altivec_constant): Change return
2663 type from bool to int.
2664 * config/rs6000/rs6000.c (vspltis_constant): Fix up handling the
2665 EASY_VECTOR_MSB case if either step or copies is not 1.
2666 (vspltis_shifted): Fix comment typo.
2667 (easy_altivec_constant): Change return type from bool to int, instead
2668 of returning true return byte size of the element mode that should be
2669 used to synthetize the constant.
2670 * config/rs6000/predicates.md (easy_vector_constant_msb): Require
2671 that vspltis_shifted is 0, handle the case where easy_altivec_constant
2672 assumes using different vector mode from CONST_VECTOR's mode.
2673 * config/rs6000/altivec.md (easy_vector_constant_msb splitter): Use
2674 easy_altivec_constant to determine mode in which -1 >> -1 should be
2675 performed, use rs6000_expand_vector_init instead of gen_vec_initv4sisi.
2677 2021-07-20 Richard Biener <rguenther@suse.de>
2680 * dwarf2out.h (dwarf_file_data): Add key member.
2681 * dwarf2out.c (dwarf_file_hasher::equal): Compare key.
2682 (dwarf_file_hasher::hash): Hash key.
2683 (lookup_filename): Remap the filename and store it in the
2684 filename member of dwarf_file_data when creating a new
2686 (file_name_acquire): Do not remap the filename again.
2687 (maybe_emit_file): Likewise.
2689 2021-07-20 Jonathan Wright <jonathan.wright@arm.com>
2691 * config/aarch64/aarch64-simd-builtins.def: Use two variant
2692 generators for all TBL/TBX intrinsics and rename to
2693 consistent forms: qtbl[1234] or qtbx[1234].
2694 * config/aarch64/aarch64-simd.md (aarch64_tbl1<mode>):
2696 (aarch64_qtbl1<mode>): This.
2697 (aarch64_tbx1<mode>): Rename to...
2698 (aarch64_qtbx1<mode>): This.
2699 (aarch64_tbl2v16qi): Delete.
2700 (aarch64_tbl3<mode>): Rename to...
2701 (aarch64_qtbl2<mode>): This.
2702 (aarch64_tbx4<mode>): Rename to...
2703 (aarch64_qtbx2<mode>): This.
2704 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Use
2705 renamed qtbl1 and qtbl2 RTL patterns.
2706 * config/aarch64/arm_neon.h (vqtbl1_p8): Use renamed qtbl1
2708 (vqtbl1_s8): Likewise.
2709 (vqtbl1_u8): Likewise.
2710 (vqtbl1q_p8): Likewise.
2711 (vqtbl1q_s8): Likewise.
2712 (vqtbl1q_u8): Likewise.
2713 (vqtbx1_s8): Use renamed qtbx1 RTL pattern.
2714 (vqtbx1_u8): Likewise.
2715 (vqtbx1_p8): Likewise.
2716 (vqtbx1q_s8): Likewise.
2717 (vqtbx1q_u8): Likewise.
2718 (vqtbx1q_p8): Likewise.
2719 (vtbl1_s8): Use renamed qtbl1 RTL pattern.
2720 (vtbl1_u8): Likewise.
2721 (vtbl1_p8): Likewise.
2722 (vtbl2_s8): Likewise
2723 (vtbl2_u8): Likewise.
2724 (vtbl2_p8): Likewise.
2725 (vtbl3_s8): Use renamed qtbl2 RTL pattern.
2726 (vtbl3_u8): Likewise.
2727 (vtbl3_p8): Likewise.
2728 (vtbl4_s8): Likewise.
2729 (vtbl4_u8): Likewise.
2730 (vtbl4_p8): Likewise.
2731 (vtbx2_s8): Use renamed qtbx2 RTL pattern.
2732 (vtbx2_u8): Likewise.
2733 (vtbx2_p8): Likewise.
2734 (vqtbl2_s8): Use renamed qtbl2 RTL pattern.
2735 (vqtbl2_u8): Likewise.
2736 (vqtbl2_p8): Likewise.
2737 (vqtbl2q_s8): Likewise.
2738 (vqtbl2q_u8): Likewise.
2739 (vqtbl2q_p8): Likewise.
2740 (vqtbx2_s8): Use renamed qtbx2 RTL pattern.
2741 (vqtbx2_u8): Likewise.
2742 (vqtbx2_p8): Likewise.
2743 (vqtbx2q_s8): Likewise.
2744 (vqtbx2q_u8): Likewise.
2745 (vqtbx2q_p8): Likewise.
2746 (vtbx4_s8): Likewise.
2747 (vtbx4_u8): Likewise.
2748 (vtbx4_p8): Likewise.
2750 2021-07-20 Uroš Bizjak <ubizjak@gmail.com>
2753 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
2755 (define_peephole2 atomic_loaddi_fpu): Ditto.
2757 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
2759 * config.gcc (riscv*-*-*): Detect which python is available.
2761 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
2763 * config/rs6000/vsx.md (mulhs_<mode>): Rename to...
2764 (smul<mode>3_highpart): ... this.
2765 (mulhu_<mode>): Rename to...
2766 (umul<mode>3_highpart): ... this.
2767 * config/rs6000/rs6000-builtin.def (MULHS_V2DI, MULHS_V4SI,
2768 MULHU_V2DI, MULHU_V4SI): Adjust.
2770 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
2772 PR tree-optimization/100696
2773 * internal-fn.c (first_commutative_argument): Add info for IFN_MULH.
2774 * internal-fn.def (IFN_MULH): New internal function.
2775 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Add support to
2776 recog normal multiply highpart as IFN_MULH.
2777 * config/i386/i386.c (ix86_add_stmt_cost): Adjust for combined
2780 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
2782 * config/elfos.h (CTF_DEBUGGING_INFO): New definition.
2783 (BTF_DEBUGGING_INFO): Likewise.
2784 * doc/tm.texi.in: Document the new macros.
2785 * doc/tm.texi: Regenerated.
2786 * toplev.c: Guard initialization of debug hooks.
2788 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
2790 * flags.h (ctf_debuginfo_p): New function declaration.
2791 * opts.c (ctf_debuginfo_p): New function definition.
2793 2021-07-19 Andrew Stubbs <ams@codesourcery.com>
2796 * config/gcn/gcn-hsa.h (DRIVER_SELF_SPECS): New.
2797 (ASM_SPEC): Set -mattr for xnack and sram-ecc.
2798 * config/gcn/gcn-opts.h (enum sram_ecc_type): New.
2799 * config/gcn/gcn-valu.md: Add a warning comment.
2800 * config/gcn/gcn.c (gcn_option_override): Add "sorry" for -mxnack.
2801 (output_file_start): Add xnack and sram-ecc state to ".amdgcn_target".
2802 * config/gcn/gcn.md: Add a warning comment.
2803 * config/gcn/gcn.opt: Add -mxnack and -msram-ecc.
2804 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): Remove
2806 (EF_AMDGPU_XNACK): New.
2807 (EF_AMDGPU_SRAM_ECC): New.
2809 (copy_early_debug_info): Use elf_flags.
2810 (main): Handle -mxnack and -msram-ecc options.
2811 * doc/invoke.texi: Document -mxnack and -msram-ecc.
2813 2021-07-19 Andrew Pinski <apinski@marvell.com>
2816 * config/aarch64/aarch64.md (csneg3_uxtw_insn): Rename to ...
2817 (*cs<neg_not_cs>3_uxtw_insn4): and extend to NEG_NOT.
2819 2021-07-19 Richard Biener <rguenther@suse.de>
2821 PR tree-optimization/101505
2822 * tree-vect-patterns.c (vect_determine_precisions): Walk
2823 PHIs also for loop vectorization.
2825 2021-07-19 Richard Biener <rguenther@suse.de>
2827 * gimple.h (gimple_expr_type): Remove.
2828 * doc/gimple.texi: Remove gimple_expr_type documentation.
2830 2021-07-19 Richard Biener <rguenther@suse.de>
2832 * tree-ssa-sccvn.c (vn_reference_eq): Handle NULL vr->type.
2833 (ao_ref_init_from_vn_reference): Likewise.
2834 (fully_constant_reference): Likewise.
2835 (vn_reference_lookup_call): Do not set vr->type to random
2837 * tree-ssa-pre.c (compute_avail): Do not try to PRE calls
2839 * tree-vect-generic.c (expand_vector_piecewise): Pass in
2840 whether we expanded parallel.
2841 (expand_vector_parallel): Adjust.
2842 (expand_vector_addition): Likewise.
2843 (expand_vector_comparison): Likewise.
2844 (expand_vector_operation): Likewise.
2845 (expand_vector_scalar_condition): Likewise.
2846 (expand_vector_conversion): Likewise.
2848 2021-07-19 Richard Biener <rguenther@suse.de>
2850 * tree-vrp.c (register_edge_assert_for_2): Use the
2852 (vrp_folder::fold_predicate_in): Likewise.
2853 * vr-values.c (gimple_assign_nonzero_p): Likewise.
2854 (vr_values::extract_range_from_comparison): Likewise.
2855 (vr_values::extract_range_from_ubsan_builtin): Use the
2856 type of the first operand.
2857 (vr_values::extract_range_basic): Push down type
2858 computation, use the appropriate LHS.
2859 (vr_values::extract_range_from_assignment): Use the
2862 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
2865 * common/config/i386/i386-common.c (ix86_handle_option): For
2866 -mgeneral-regs-only, enable the GPR only instructions which are
2867 enabled implicitly by SSE ISAs unless they have been disabled
2870 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
2873 * config/i386/i386.c (ix86_check_avx_upper_stores): Moved before
2874 ix86_avx_u128_mode_needed.
2875 (ix86_avx_u128_mode_needed): Return AVX_U128_DIRTY if callee
2876 returns AVX register.
2878 2021-07-17 Jan Hubicka <hubicka@ucw.cz>
2880 * tree-ssa-structalias.c (handle_rhs_call): Support EAF_NOT_RETURNED.
2881 (handle_const_call): Liekise
2882 (handle_pure_call): Liekise
2884 2021-07-17 Andrew MacLeod <amacleod@redhat.com>
2886 PR tree-optimization/96542
2887 * range-op.cc (range_operator::wi_fold_in_parts): New.
2888 (range_operator::fold_range): Call wi_fold_in_parts.
2889 (operator_lshift::wi_fold): Fix broken lshift by [0,0].
2890 * range-op.h (wi_fold_in_parts): Add prototype.
2892 2021-07-16 David Malcolm <dmalcolm@redhat.com>
2894 * doc/analyzer.texi: Add __analyzer_dump_state.
2896 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2898 * config/rs6000/rbtree.c: New file.
2899 * config/rs6000/rbtree.h: New file.
2901 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2903 * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
2904 (typeinfo): Add restr field.
2905 (match_bracketed_pair): New function.
2906 (match_const_restriction): Implement.
2908 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2910 * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
2912 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2914 * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
2915 (basetype): Likewise.
2916 (typeinfo): Likewise.
2917 (handle_pointer): New function.
2918 (match_basetype): New stub function.
2919 (match_const_restriction): Likewise.
2920 (match_type): New function.
2922 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2924 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
2926 (advance_line): Likewise.
2927 (safe_inc_pos): Likewise.
2928 (match_identifier): Likewise.
2929 (match_integer): Likewise.
2930 (match_to_right_bracket): Likewise.
2932 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2934 * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
2935 (ovld_file): Likewise.
2936 (header_file): Likewise.
2937 (init_file): Likewise.
2938 (defines_file): Likewise.
2939 (pgm_path): Likewise.
2940 (bif_path): Likewise.
2941 (ovld_path): Likewise.
2942 (header_path): Likewise.
2943 (init_path): Likewise.
2944 (defines_path): Likewise.
2945 (LINELEN): New macro.
2946 (linebuf): New variable.
2950 (bif_diag): New function.
2951 (ovld_diag): Likewise.
2953 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2955 * config/rs6000/rs6000-builtin-new.def: New.
2956 * config/rs6000/rs6000-overload.def: New.
2958 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2960 * config/rs6000/rs6000-gen-builtins.c: New.
2962 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
2964 * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
2965 (s-gtype): Depend on EXTRA_GTYPE_DEPS.
2966 * gengtype-state.c (state_writer::write_state_file_list): Add a
2967 parameter to the fileslist expression for the number of build
2969 (read_state_files_list): Detect build headers and strip the
2970 initial "./" or ".\" from their names.
2971 * gengtype.c (build_headers): New global variable.
2972 (num_build_headers): Likewise.
2973 (open_base_files): Emit #include for each build header.
2974 (main): Detect and count build headers.
2975 * gengtype.h (build_headers): New extern variable.
2976 (num_build_headers): Likewise.
2978 2021-07-16 Richard Biener <rguenther@suse.de>
2980 * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
2981 the type of the LHS.
2982 (find_bswap_or_nop_1): Likewise.
2983 (find_bswap_or_nop): Likewise.
2984 * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
2986 * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
2987 Remove unused parameters, pass in the scalar type. Fix
2988 internal store function handling.
2989 * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
2990 (vect_get_vector_types_for_stmt): Move down check for
2991 existing vector stmt after we've determined a scalar type.
2992 Pass down the used scalar type to vect_get_smallest_scalar_type.
2993 * tree-vect-generic.c (expand_vector_condition): Use
2994 the type of the LHS.
2995 (expand_vector_scalar_condition): Likewise.
2996 (expand_vector_operations_1): Likewise.
2997 * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
2998 (vect_recog_dot_prod_pattern): Likewise.
2999 (vect_recog_sad_pattern): Likewise.
3000 (vect_recog_widen_op_pattern): Likewise.
3001 (vect_recog_widen_sum_pattern): Likewise.
3002 (vect_recog_mixed_size_cond_pattern): Likewise.
3004 2021-07-16 Jan Hubicka <hubicka@ucw.cz>
3006 * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
3007 (dump_eaf_flags): Dump EAF_NOT_RETURNED
3008 (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
3009 and EAF_NOT_RETURNED.
3010 (modref_summary::useful_p): Likewise.
3011 (modref_summary_lto::useful_p): Likewise.
3012 (struct) modref_summary_lto: Use eaf_fleags_t.
3013 (deref_flags): Handle EAF_NOT_RETURNED.
3014 (struct escape_point): Use min_flags.
3015 (modref_lattice::init): Add EAF_NOT_RETURNED.
3016 (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
3017 (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
3019 (analyze_parms): Also analyze const functions; update conition on
3021 (modref_write): Update streaming.
3022 (read_section): Update streaming.
3023 (remap_arg_flags): Use eaf_flags_t.
3024 (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
3025 * ipa-modref.h: (eaf_flags_t): New typedef.
3026 (struct modref_summary): Use eaf_flags_t.
3027 * tree-core.h (EAF_NOT_RETURNED): New constant.
3029 2021-07-16 Richard Biener <rguenther@suse.de>
3031 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
3032 the type of the LHS.
3033 (gimple_assign_nonnegative_warnv_p): Likewise.
3034 (gimple_call_nonnegative_warnv_p): Likewise. Return false
3035 if the call has no LHS.
3036 * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
3037 * tree-eh.c (stmt_could_throw_1_p): Likewise.
3038 * tree-inline.c (insert_init_stmt): Likewise.
3039 * tree-ssa-loop-niter.c (get_val_for): Likewise.
3040 * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
3042 * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
3043 gassign *. Use the type of the lhs.
3044 (vn_nary_op_lookup_stmt): Adjust.
3045 (vn_nary_op_insert_stmt): Likewise.
3047 2021-07-16 Ilya Leoshkevich <iii@linux.ibm.com>
3049 * config/s390/predicates.md (bras_sym_operand): Accept all
3050 functions in 64-bit mode, use UNSPEC_PLT31.
3051 (larl_operand): Use UNSPEC_PLT31.
3052 * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
3053 (legitimize_pic_address): Likewise.
3054 (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
3056 (s390_delegitimize_address): Use UNSPEC_PLT31.
3057 (s390_output_addr_const_extra): Likewise.
3058 (print_operand): Add @PLT to TLS calls, handle %K.
3059 (s390_function_profiler): Mark __fentry__/_mcount as function,
3060 use %K, use UNSPEC_PLT31.
3061 (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
3062 (s390_emit_call): Use UNSPEC_PLT31.
3063 (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
3064 * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
3065 (*movdi_64): Use %K.
3066 (reload_base_64): Likewise.
3067 (*sibcall_brc): Likewise.
3068 (*sibcall_brcl): Likewise.
3069 (*sibcall_value_brc): Likewise.
3070 (*sibcall_value_brcl): Likewise.
3073 (*bras_r): Likewise.
3074 (*brasl_r): Likewise.
3075 (*bras_tls): Likewise.
3076 (*brasl_tls): Likewise.
3077 (main_base_64): Likewise.
3078 (reload_base_64): Likewise.
3079 (@split_stack_call<mode>): Likewise.
3081 2021-07-16 Richard Biener <rguenther@suse.de>
3083 PR tree-optimization/101467
3084 * tree-vect-stmts.c (vect_gen_while): Properly guard
3085 make_temp_ssa_name usage.
3087 2021-07-16 Cooper Qu <cooper.qu@linux.alibaba.com>
3089 * config.gcc: Don't use forked print-sysroot-suffix.sh and
3090 t-sysroot-suffix for C-SKY.
3091 * config/csky/print-sysroot-suffix.sh: Delete.
3092 * config/csky/t-csky-linux: Delete.
3093 * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
3094 instead of CSKY_MULTILIB_DIRNAMES.
3096 2021-07-16 Richard Biener <rguenther@suse.de>
3098 * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
3099 conversion issues with the partial reduction of the reused
3102 2021-07-16 Richard Biener <rguenther@suse.de>
3104 * config/i386/i386-options.c (ix86_option_override_internal): Set
3105 param_vect_partial_vector_usage to zero if not set.
3107 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
3110 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
3111 (VALID_INT_MODE_P): Add SDmode and DDmode.
3112 Add TDmode for TARGET_64BIT.
3113 (VALID_DFP_MODE_P): Remove.
3114 * config/i386/i386.c (ix86_hard_regno_mode_ok):
3115 Do not use VALID_DFP_MODE_P.
3117 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
3119 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
3121 (fold_using_range::fold_stmt): Ditto.
3122 (fold_using_range::range_of_range_op): Ditto.
3123 (fold_using_range::range_of_phi): Ditto.
3124 (fold_using_range::range_of_call): Ditto.
3125 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
3126 (fold_using_range::range_of_builtin_call): Ditto.
3127 (fold_using_range::range_of_cond_expr): Ditto.
3128 * gimple-range-fold.h (gimple_range_type): New.
3130 2021-07-15 Martin Sebor <msebor@redhat.com>
3133 * tree-ssa-strlen.c (handle_assign): New function.
3134 (maybe_warn_overflow): Add argument.
3135 (nonzero_bytes_for_type): New function.
3136 (count_nonzero_bytes): Handle more tree types. Call
3137 nonzero_bytes_for_tye.
3138 (count_nonzero_bytes): Handle types.
3139 (handle_store): Handle stores from function calls.
3140 (strlen_check_and_optimize_call): Move code to handle_assign. Call
3141 it for assignments from function calls.
3143 2021-07-15 David Malcolm <dmalcolm@redhat.com>
3148 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
3150 2021-07-15 David Malcolm <dmalcolm@redhat.com>
3152 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
3154 2021-07-15 Martin Sebor <msebor@redhat.com>
3158 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
3159 (operand_compare::verify_hash_value): Same.
3160 * tree-core.h (OEP_DECL_NAME): New.
3162 2021-07-15 Martin Jambor <mjambor@suse.cz>
3164 * profile-count.h (profile_count::value): Change the return type to
3166 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
3168 * tree-cfg.c (dump_function_to_file): Likewise.
3170 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
3173 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
3174 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
3177 2021-07-15 Richard Biener <rguenther@suse.de>
3179 * tree-vectorizer.h (vect_gen_while): Match up with
3181 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
3182 of vect_gen_while_not.
3183 (vect_gen_while_not): Adjust.
3184 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
3186 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
3188 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
3189 (ranger_cache::range_of_def): Call adjust_range.
3190 (ranger_cache::entry_range): Same.
3191 * gimple-range-cache.h (non_null_ref::adjust_range): New.
3192 * gimple-range.cc (gimple_ranger::range_of_expr): Call
3194 (gimple_ranger::range_on_entry): Same.
3196 2021-07-15 Tamar Christina <tamar.christina@arm.com>
3199 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3201 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
3203 2021-07-15 Tamar Christina <tamar.christina@arm.com>
3206 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3208 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
3209 (sdot_prod, udot_prod): ...These.
3210 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
3211 (aarch64_<sur>dot<vsi2qi>): Rename to...
3212 (<sur>dot_prod<vsi2qi>): ...This.
3213 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
3216 2021-07-15 Jakub Jelinek <jakub@redhat.com>
3218 PR middle-end/101437
3219 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
3220 types even if they have non-BLKmode TYPE_MODE.
3222 2021-07-15 Richard Biener <rguenther@suse.de>
3225 * gcc.c (process_command): Process -gtoggle like process_options
3226 would after parsing options.
3228 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
3230 * cfgexpand.c (expand_asm_loc): Adjust.
3231 (expand_asm_stmt): Likewise.
3232 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
3233 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
3234 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
3235 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
3236 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
3237 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
3238 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
3239 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
3240 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
3241 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
3242 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
3243 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
3244 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
3245 * doc/tm.texi: Regenerate.
3246 * target.def: Add location argument to md_asm_adjust.
3248 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
3250 * tree-diagnostic.c (diagnostic_report_current_function): Use the
3251 diagnostic's location, not input_location.
3253 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
3255 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
3257 (expand_asm_stmt): Likewise.
3259 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
3261 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
3262 addressed memory rtx, if any.
3263 (rs6000_split_multireg_move): Fix code formatting.
3264 Handle MMA build built-ins with operands in adjacent memory locations.
3266 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
3268 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
3271 2021-07-14 Jason Merrill <jason@redhat.com>
3273 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
3275 2021-07-14 Jason Merrill <jason@redhat.com>
3277 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
3280 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3282 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3283 Remove erroneous line.
3285 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
3287 * params.opt (param_evrp_mode): Change default.
3289 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3291 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
3292 (sdot_prod, udot_prod): ...These.
3293 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
3294 (aarch64_<sur>dot<vsi2qi>): Rename to...
3295 (<sur>dot_prod<vsi2qi>): ...This.
3296 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
3299 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3301 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
3303 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3305 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
3307 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3309 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
3311 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3313 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
3314 (usdot_prod<vsi2qi>): ... This.
3315 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
3316 (usdot_prod): ...This.
3317 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
3318 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
3320 (@<sur>dot_prod<vsi2qi>): ...This.
3321 * config/aarch64/aarch64-sve-builtins-base.cc
3322 (svusdot_impl::expand): Use it.
3324 2021-07-14 Tamar Christina <tamar.christina@arm.com>
3326 * optabs.def (usdot_prod_optab): New.
3327 * doc/md.texi: Document it and clarify other dot prod optabs.
3328 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
3329 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
3330 * optabs.c (expand_widen_pattern_expr): Likewise.
3331 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
3332 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
3333 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
3335 (vect_widened_op_tree): Optionally ignore
3337 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
3339 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
3342 * config/i386/driver-i386.c (host_detect_local_cpu): Check
3343 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
3344 Enable UINTR only for 64-bit codegen.
3345 * config/i386/i386-options.c
3346 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
3348 * config/i386/i386.h (ARCH_ARG): New.
3349 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
3350 "[arch|tune] 64" for 64-bit codegen.
3352 2021-07-14 Richard Biener <rguenther@suse.de>
3354 PR tree-optimization/101445
3355 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
3356 of the IV in the correct direction for negative stride
3359 2021-07-14 Jakub Jelinek <jakub@redhat.com>
3362 * godump.c (godump_str_hash): New type.
3363 (godump_container::pot_dummy_types): Use string_hash instead of
3364 ptr_hash in the hash_set.
3366 2021-07-14 Richard Biener <rguenther@suse.de>
3368 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
3369 vector types where the old vector type has a multiple of
3370 the new vector type elements.
3371 (vect_create_partial_epilog): New function, split out from...
3372 (vect_create_epilog_for_reduction): ... here.
3373 (vect_transform_cycle_phi): Reduce the re-used accumulator
3374 to the new vector type.
3376 2021-07-14 Alexandre Oliva <oliva@adacore.com>
3378 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
3379 non-'t'-sized arg check.
3381 2021-07-14 Alexandre Oliva <oliva@adacore.com>
3383 * tree-cfg.c (cleanup_dead_labels_eh): Update
3384 post_landing_pad label upon change of landing pad block's
3386 (cleanup_dead_labels): Check that a removed label is not that
3389 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
3391 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
3393 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
3394 Add Neon to general purpose register case for zero-extend
3396 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
3397 case to prevent some cases opting to go through memory.
3398 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
3399 * rtl.c (rtvec_series_p): Define predicate to determine
3400 whether a vector contains a linear series of integers.
3401 * rtl.h (rtvec_series_p): Define.
3402 * rtlanal.c (vec_series_lowpart_p): Define predicate to
3403 determine if a vector selection is equivalent to the low part
3405 * rtlanal.h (vec_series_lowpart_p): Define.
3406 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
3407 Add vec_select -> subreg simplification.
3409 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
3411 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
3412 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
3413 _mm_test_mix_ones_zeros): New.
3415 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
3416 Richard Biener <rguenther@suse.de>
3418 * gimple.c (gimple_could_trap_p_1): Make S argument a
3419 "const gimple*". Preserve constness in call to
3420 gimple_asm_volatile_p.
3421 (gimple_could_trap_p): Make S argument a "const gimple*".
3422 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
3423 Update function prototypes.
3425 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3427 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
3428 (_loop_vec_info::main_loop_edge): New field.
3429 (_loop_vec_info::skip_main_loop_edge): Likewise.
3430 (_loop_vec_info::skip_this_loop_edge): Likewise.
3431 (_loop_vec_info::reusable_accumulators): Likewise.
3432 (_stmt_vec_info::reduc_scalar_results): Likewise.
3433 (_stmt_vec_info::reused_accumulator): Likewise.
3434 (vect_get_main_loop_result): Declare.
3435 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
3436 reduc_scalar_inputs.
3437 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
3438 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
3439 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
3440 skip_main_loop_edge and skip_this_loop_edge fields.
3441 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
3442 (vect_emit_reduction_init_stmts): New function.
3443 (get_initial_def_for_reduction): Use it.
3444 (get_initial_defs_for_reduction): Likewise. Change the vinfo
3445 parameter to a loop_vec_info.
3446 (vect_create_epilog_for_reduction): Store the scalar results
3447 in the reduc_info. If an epilogue loop is reusing an accumulator
3448 from the main loop, and if the epilogue loop can also be skipped,
3449 try to place the reduction code in the join block. Record
3450 accumulators that could potentially be reused by epilogue loops.
3451 (vect_transform_cycle_phi): When vectorizing epilogue loops,
3452 try to reuse accumulators from the main loop. Record the initial
3453 value in reduc_info for non-SLP reductions too.
3455 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3457 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
3458 adjustment handling. Take the neutral value as an argument,
3459 in place of the code argument.
3460 (vect_transform_cycle_phi): Update accordingly. Handle the
3461 initial values of cond reductions separately from code reductions.
3462 Choose the adjustment here rather than in
3463 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
3465 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3467 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
3468 (neutral_op_for_reduction): ...this, providing a more general
3470 (vect_create_epilog_for_reduction): Update accordingly.
3471 (vectorizable_reduction): Likewise.
3472 (vect_transform_cycle_phi): Likewise.
3474 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3476 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
3477 reduc_info instead of the original stmt_vec_info.
3478 (vect_transform_cycle_phi): Update accordingly.
3480 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3482 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
3483 reduc_info as an additional parameter.
3484 (vect_transform_cycle_phi): Update accordingly.
3486 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3488 * tree-vectorizer.h: Include tree-ssa-operands.h.
3489 (vect_phi_initial_value): New function.
3490 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
3491 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
3492 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
3493 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
3495 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3497 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
3498 the phi results to vectype after creating them. Remove later
3499 conversion code that thus becomes redundant.
3501 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3503 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
3504 the new_phis vector with a reduc_inputs vector. Combine handling
3505 of reduction chains and ncopies > 1.
3507 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3509 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
3510 scalar_results to group_size elements after reducing down from
3511 N*group_size elements. Construct an array_slice of the live-out
3512 stmts and assert that there is one stmt per scalar result.
3514 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3516 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
3517 nested_in_vect_loop and use double_reduc everywhere. Remove dead
3518 assignment to "loop".
3520 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
3522 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
3523 vector types first. For scalar types, consider both the preferred
3524 vector mode and the alternative vector modes.
3525 * optabs-query.c (can_vec_mask_load_store_p): Use the same
3526 structure as above, in particular using related_vector_mode
3527 for modes provided by autovectorize_vector_modes.
3529 2021-07-13 Jakub Jelinek <jakub@redhat.com>
3530 Richard Biener <rguenther@suse.de>
3532 PR tree-optimization/101419
3533 * tree-pass.h (PROP_objsz): Define.
3534 (make_pass_early_object_sizes): Declare.
3535 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
3536 there to pass_early_object_sizes, drop parameter.
3537 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
3538 drop parameter, move pass_post_ipa_warn right after that.
3539 * tree-object-size.c (pass_object_sizes::execute): Rename to...
3540 (object_sizes_execute): ... this. Add insert_min_max_p argument.
3541 (pass_data_object_sizes): Move after object_sizes_execute.
3542 (pass_object_sizes): Likewise. In execute method call
3543 object_sizes_execute, drop set_pass_param method and insert_min_max_p
3544 non-static data member and its initializer in the ctor.
3545 (pass_data_early_object_sizes, pass_early_object_sizes,
3546 make_pass_early_object_sizes): New.
3547 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
3548 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
3550 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
3553 * config/riscv/constraints.md ("S"): Update description and remove
3555 * doc/md.texi (Machine Constraints): Document the 'S' constraints
3558 2021-07-13 Richard Biener <rguenther@suse.de>
3561 2021-07-12 Richard Biener <rguenther@suse.de>
3563 * tree-vect-slp.c (vect_slp_region): Show the number of
3564 SLP graph entries in the optimization message.
3566 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
3568 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
3570 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
3571 return type to long.
3572 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
3575 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
3577 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
3578 Query relation between the 2 operands and use it.
3580 2021-07-12 Sergei Trofimovich <siarheit@google.com>
3582 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
3584 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
3587 * config/i386/predicates.md (vec_setm_sse41_operand):
3588 Rename from vec_setm_operand.
3589 (vec_setm_avx2_operand): New predicate.
3590 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
3591 Use vec_setm_sse41_operand as operand 2 predicate.
3592 (vec_set<V_256_512:mode): New expander.
3593 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
3594 as operand 2 predicate.
3596 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
3598 PR tree-optimization/101335
3599 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
3601 2021-07-12 Andrew Pinski <apinski@marvell.com>
3603 * tree-ssa-phiopt.c (match_simplify_replacement): Move
3604 insert of the sequence before the movement of the
3605 statement. Check if to see if the statement is used
3606 outside of the original phi to see if we should move it.
3608 2021-07-12 Richard Biener <rguenther@suse.de>
3610 * dump-context.h (debug_dump_context::debug_dump_context):
3611 Add FILE * parameter defaulted to stderr.
3612 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
3613 * tree-vect-slp.c (dot_slp_tree): New functions.
3615 2021-07-12 Richard Biener <rguenther@suse.de>
3617 PR tree-optimization/101373
3618 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
3619 references when the BB may not return.
3620 (compute_avail): Pass in the function we're working on and
3621 replace cfun references with it. Externally throwing
3622 const calls also possibly terminate the function.
3623 (pass_pre::execute): Pass down the function we're working on.
3624 * gcse.c (compute_hash_table_work): Externally throwing
3625 const/pure calls also need record_last_mem_set_info.
3626 * postreload-gcse.c (record_opr_changes): Looping or externally
3627 throwing const/pure calls also need record_last_mem_set_info.
3629 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
3631 * recog.c (memory_address_addr_space_p): Change the type to bool.
3632 Return true/false instead of 1/0.
3633 (offsettable_memref_p): Ditto.
3634 (offsettable_nonstrict_memref_p): Ditto.
3635 (offsettable_address_addr_space_p): Ditto.
3636 Change the type of addressp indirect function to bool.
3637 * recog.h (memory_address_addr_space_p): Change the type to bool.
3638 (strict_memory_address_addr_space_p): Ditto.
3639 (offsettable_memref_p): Ditto.
3640 (offsettable_nonstrict_memref_p): Ditto.
3641 (offsettable_address_addr_space_p): Ditto.
3642 * reload.c (maybe_memory_address_addr_space_p): Ditto.
3643 (strict_memory_address_addr_space_p): Change the type to bool.
3644 Return true/false instead of 1/0.
3645 (maybe_memory_address_addr_space_p): Change the type to bool.
3647 2021-07-12 Richard Biener <rguenther@suse.de>
3649 * tree-vect-slp.c (vect_slp_region): Show the number of
3650 SLP graph entries in the optimization message.
3652 2021-07-12 Richard Biener <rguenther@suse.de>
3654 PR tree-optimization/101394
3655 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
3656 copies from abnormals for a full redundancy.
3658 2021-07-12 Richard Biener <rguenther@suse.de>
3660 PR middle-end/101423
3661 * gimple.c (gimple_could_trap_p_1): Internal function calls
3663 * tree-eh.c (tree_could_trap_p): Likewise.
3665 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
3668 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
3670 (vmulq_n_u32): Likewise.
3671 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
3672 (vmulq_n_f32): Likewise.
3673 (vmul_n_f16): Likewise.
3674 (vmulq_n_f16): Likewise.
3676 2021-07-12 Martin Liska <mliska@suse.cz>
3679 * gcc.c (check_offload_target_name): Call
3680 candidates_list_and_hint only if we have a candidate.
3682 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
3685 * config/arm/neon.md (vec_init): Move to ...
3686 * config/arm/vec-common.md (vec_init): ... here.
3687 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
3689 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
3691 PR tree-optimization/101403
3692 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
3693 signedness of the shift is not the same as the signedness of
3696 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
3697 Uroš Bizjak <ubizjak@gmail.com>
3699 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
3700 divmod of a constant numerator with new define_insn_and_split.
3702 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
3705 * config/i386/i386-expand.c (ix86_expand_call): If a call is
3706 to a non-local-binding, or local but to a public symbol, then
3707 assume that it might be indirected via the lazy symbol binder.
3708 Mark R10 and R10 as clobbered in that case.
3710 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
3713 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
3714 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
3715 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
3717 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
3719 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
3720 log2 range of operands[3] to [1,31].
3721 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
3723 2021-07-09 Sergei Trofimovich <siarheit@google.com>
3725 * doc/md.texi: Don't split @smallexample in multiple @groups.
3727 2021-07-09 Sergei Trofimovich <siarheit@google.com>
3729 * doc/md.texi: Add missing 'see' word.
3731 2021-07-09 Andrew Pinski <apinski@marvell.com>
3733 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
3734 to take sequence and gimple_match_op. Accept the case where
3735 op is a SSA_NAME and one statement in the sequence.
3736 Also allow constants.
3737 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
3738 Update call to phiopt_early_allow. Discard the sequence if not
3741 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
3746 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
3747 instead of ISA_HAS_MSA.
3748 (mips_expand_vec_unpack): Likewise.
3749 (mips_expand_vector_init): Likewise.
3751 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
3753 * config/rs6000/vsx.md (mods_<mode>): Rename to...
3754 (mod<mode>3): ... this.
3755 (modu_<mode>): Rename to...
3756 (umod<mode>3): ... this.
3757 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
3760 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
3762 * config/h8300/shiftrotate.md (variable shifts): Expose condition
3763 code handling for the test before the loop.
3765 2021-07-08 Martin Jambor <mjambor@suse.cz>
3768 * ipa-sra.c (class isra_call_summary): New member
3769 m_before_any_store, initialize it in the constructor.
3770 (isra_call_summary::dump): Dump the new field.
3771 (ipa_sra_call_summaries::duplicate): Copy it.
3772 (process_scan_results): Set it.
3773 (isra_write_edge_summary): Stream it.
3774 (isra_read_edge_summary): Likewise.
3775 (param_splitting_across_edge): Only override
3776 safe_to_import_accesses if m_before_any_store is set.
3778 2021-07-08 Martin Sebor <msebor@redhat.com>
3781 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
3782 Use Object Size Type 0 instead of 1.
3784 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
3786 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
3789 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
3791 * match.pd: Simplify an extend-operate-truncate sequence involving
3794 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
3795 Richard Biener <rguenther@suse.de>
3797 PR tree-optimization/40210
3798 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
3799 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
3800 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
3802 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
3805 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
3807 * config/i386/mmx.md (V_32): New mode iterator.
3808 (mov<V_32:mode>): Use V_32 mode iterator.
3809 (*mov<V_32:mode>_internal): Ditto.
3810 (*push<V_32:mode>2_rex64): Ditto.
3811 (*push<V_32:mode>2): Ditto.
3812 (movmisalign<V_32:mode>): Ditto.
3813 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
3814 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
3815 (vec_unpacks_lo_v4qi): New expander.
3816 (vec_unpacks_hi_v4qi): Ditto.
3817 (vec_unpacku_lo_v4qi): Ditto.
3818 (vec_unpacku_hi_v4qi): Ditto.
3819 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
3820 (VALID_INT_MODE_P): Ditto.
3822 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
3825 * config/rs6000/rs6000.md (udivti3): New insn.
3827 (umodti3): New insn.
3830 2021-07-07 Martin Sebor <msebor@redhat.com>
3832 PR tree-optimization/100137
3833 PR tree-optimization/99121
3834 PR tree-optimization/97027
3835 * builtins.c (access_ref::access_ref): Also set offmax.
3836 (access_ref::offset_in_range): Define new function.
3837 (access_ref::add_offset): Set offmax.
3838 (access_ref::inform_access): Handle access_none.
3839 (handle_mem_ref): Clear ostype.
3840 (compute_objsize_r): Handle ASSERT_EXPR.
3841 * builtins.h (struct access_ref): Add offmax member.
3842 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
3843 compute_objsize() and simplify.
3845 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
3847 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
3848 and VSX_BUILTIN_STXVP.
3850 2021-07-07 Martin Sebor <msebor@redhat.com>
3853 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
3854 a stray %K from error_at() missed in r12-2088.
3856 2021-07-07 Richard Biener <rguenther@suse.de>
3858 PR tree-optimization/99728
3859 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
3861 (mem_refs_may_alias_p): Add assert we handled aggregate
3863 (sm_seq_valid_bb): Give up when running into aggregate copies.
3864 (ref_indep_loop_p): Handle aggregate copies as never
3865 being invariant themselves but allow other refs to be
3866 disambiguated against them.
3867 (can_sm_ref_p): Do not try to apply store-motion to aggregate
3870 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
3873 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
3876 2021-07-06 Martin Sebor <msebor@redhat.com>
3878 * gimple-pretty-print.c (percent_G_format): Remove.
3879 * tree-diagnostic.c (default_tree_printer): Remove calls.
3880 * tree-pretty-print.c (percent_K_format): Remove.
3881 * tree-pretty-print.h (percent_K_format): Remove.
3883 2021-07-06 Martin Sebor <msebor@redhat.com>
3885 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
3886 Remove %K and use error_at.
3887 (aarch64_expand_fcmla_builtin): Same.
3888 (aarch64_expand_builtin_tme): Same.
3889 (aarch64_expand_builtin_memtag): Same.
3890 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
3891 (arm_expand_builtin): Same.
3892 * config/arm/arm.c (bounds_check): Same.
3894 2021-07-06 Martin Sebor <msebor@redhat.com>
3896 * builtins.c (warn_string_no_nul): Remove %G.
3897 (maybe_warn_for_bound): Same.
3898 (warn_for_access): Same.
3899 (check_access): Same.
3900 (check_strncat_sizes): Same.
3901 (expand_builtin_strncat): Same.
3902 (expand_builtin_strncmp): Same.
3903 (expand_builtin): Same.
3904 (expand_builtin_object_size): Same.
3905 (warn_dealloc_offset): Same.
3906 (maybe_emit_free_warning): Same.
3907 * calls.c (maybe_warn_alloc_args_overflow): Same.
3908 (maybe_warn_nonstring_arg): Same.
3909 (maybe_warn_rdwr_sizes): Same.
3910 * expr.c (expand_expr_real_1): Remove %K.
3911 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
3912 (gimple_fold_builtin_strncat): Same.
3913 * gimple-ssa-sprintf.c (format_directive): Same.
3914 (handle_printf_call): Same.
3915 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
3916 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
3917 (maybe_diag_access_bounds): Same. Call gimple_location.
3918 (check_bounds_or_overlap): Same.
3919 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
3920 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
3921 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
3922 (maybe_diag_stxncpy_trunc): Same.
3923 (handle_builtin_stxncpy_strncat): Same.
3924 (maybe_warn_pointless_strcmp): Same.
3925 * tree-ssa-uninit.c (maybe_warn_operand): Same.
3927 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
3930 * config/i386/predicates.md (vec_setm_operand): Enable
3931 register_operand for TARGET_SSE4_1.
3932 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
3933 as operand 2 predicate. Call ix86_expand_vector_set_var
3934 for non-constant index operand.
3935 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
3936 Call ix86_expand_vector_set_var for non-constant index operand.
3938 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
3940 * config/h8300/jumpcall.md (*branch): When possible, generate
3941 the comparison in CCZN mode.
3942 * config/h8300/predicates.md (simple_memory_operand): Reject all
3943 auto-increment addressing modes.
3945 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
3948 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
3951 2021-07-06 Richard Biener <rguenther@suse.de>
3953 * doc/md.texi (vec_fmaddsub<mode>4): Document.
3954 (vec_fmsubadd<mode>4): Likewise.
3955 * optabs.def (vec_fmaddsub$a4): Add.
3956 (vec_fmsubadd$a4): Likewise.
3957 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
3958 (IFN_VEC_FMSUBADD): Likewise.
3959 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
3960 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
3961 (addsub_pattern::build): Likewise.
3962 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
3963 and CFN_VEC_FMSUBADD are not transparent for permutes.
3964 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
3965 (vec_fmsubadd<mode>4): Likewise.
3967 2021-07-06 Richard Biener <rguenther@suse.de>
3969 * doc/invoke.texi (fmove-loop-stores): Document.
3970 * common.opt (fmove-loop-stores): New option.
3971 * opts.c (default_options_table): Enable -fmove-loop-stores
3973 * tree-ssa-loop-im.c (pass_lim::execute): Pass
3974 flag_move_loop_stores instead of true to
3975 loop_invariant_motion_in_fun.
3977 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
3979 * doc/install.texi: Document --with-dsymutil.
3981 2021-07-06 Andrew Pinski <apinski@marvell.com>
3983 PR tree-optimization/101256
3984 * dbgcnt.def (phiopt_edge_range): New counter.
3985 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
3986 Check to make sure the new name is defined in the same
3987 bb as the conditional before duplicating range info.
3988 Also add debug counter.
3990 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
3992 PR rtl-optimization/100328
3993 * config/i386/i386-options.c (ix86_option_override_internal):
3994 Set param_ira_consider_dup_in_all_alts to 0.
3996 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
3998 PR rtl-optimization/100328
3999 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
4001 * ira.c (ira_get_dup_out_num): Adjust as parameter
4002 param_ira_consider_dup_in_all_alts.
4003 * params.opt (ira-consider-dup-in-all-alts): New.
4004 * ira-conflicts.c (process_regs_for_copy): Add one parameter
4005 single_input_op_has_cstr_p.
4006 (get_freq_for_shuffle_copy): New function.
4007 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
4008 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
4010 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
4012 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
4013 generate condition code aware RTL directly.
4015 2021-07-05 Andrew Pinski <apinski@marvell.com>
4017 PR tree-optimization/101039
4018 * match.pd (A CMP 0 ? A : -A): New patterns.
4019 * tree-ssa-phiopt.c (abs_replacement): Delete function.
4020 (tree_ssa_phiopt_worker): Don't call abs_replacement.
4021 Update comment about abs_replacement.
4023 2021-07-05 Andrew Pinski <apinski@marvell.com>
4025 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
4026 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
4028 2021-07-05 Andrew Pinski <apinski@marvell.com>
4030 * tree-ssa-phiopt.c (match_simplify_replacement):
4031 Add early_p argument. Call gimple_simplify_phiopt
4032 instead of gimple_simplify.
4033 (tree_ssa_phiopt_worker): Update call to
4034 match_simplify_replacement and allow unconditionally.
4035 (phiopt_early_allow): New function.
4036 (gimple_simplify_phiopt): New function.
4038 2021-07-05 Andrew Pinski <apinski@marvell.com>
4040 PR middle-end/101237
4041 * fold-const.c (negate_expr_p): Remove call to element_mode
4042 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
4043 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
4044 (fold_negate_expr_1): Likewise.
4045 (const_unop): Likewise.
4046 (fold_cond_expr_with_comparison): Likewise.
4047 (fold_binary_loc): Likewise.
4048 (fold_ternary_loc): Likewise.
4049 (tree_call_nonnegative_warnv_p): Likewise.
4050 * match.pd (-(A + B) -> (-B) - A): Likewise.
4052 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
4054 * configure.ac: Handle --with-dsymutil in the same way as we
4055 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
4056 Extract the type and version for the dsymutil configured or
4057 found by the default searches.
4058 * config.in: Regenerated.
4059 * configure: Regenerated.
4060 * collect2.c (do_dsymutil): Handle locating dsymutil in the
4061 same way as for the assembler and linker.
4062 * config/darwin.h (DSYMUTIL): Delete.
4063 * gcc.c: Report a configured dsymutil correctly.
4064 * exec-tool.in: Allow for dsymutil.
4066 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
4068 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
4069 Handle V4QI and V2HI modes.
4070 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
4071 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
4072 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
4073 Handle 4-byte dual operands with TARGET_XOP and single operands
4074 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
4075 mmx_pshufbv4qi3 for TARGET_SSSE3.
4076 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
4077 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
4078 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
4079 (expand_vec_perm_even_odd_1): Handle V4QI mode.
4080 (expand_vec_perm_broadcast_1): Handle V4QI mode.
4081 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
4082 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
4083 (mmx_pshufbv4qi3): Ditto.
4084 (*mmx_pblendw32): Ditto.
4085 (*mmx_pblendw64): Rename from *mmx_pblendw.
4086 (mmx_punpckhbw_low): New insn_and_split pattern.
4087 (mmx_punpcklbw_low): Ditto.
4089 2021-07-05 Richard Biener <rguenther@suse.de>
4091 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
4092 set LOOP_C_INFINITE on the vectorized loop.
4094 2021-07-05 Richard Biener <rguenther@suse.de>
4096 PR middle-end/101291
4097 * cfgloopmanip.c (loop_version): Set the loop copy of the
4098 versioned loop to the new loop.
4100 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
4103 * config.gcc: Ensure that Darwin biarch definitions are
4104 added before i386.h.
4105 * config/i386/darwin.h (TARGET_64BIT): Remove.
4106 (PR80556_WORKAROUND): New.
4107 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
4108 (DARWIN_SUBARCH_SPEC): New.
4109 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
4110 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
4111 (REAL_LIBGCC_SPEC): Remove.
4112 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
4113 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
4114 (REAL_LIBGCC_SPEC): Remove.
4116 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
4118 PR middle-end/101294
4119 * expr.c (store_constructor): Don't use vec_duplicate on vector.
4121 2021-07-02 Martin Sebor <msebor@redhat.com>
4125 * diagnostic.c (get_any_inlining_info): New.
4126 (update_effective_level_from_pragmas): Handle inlining context.
4127 (diagnostic_enabled): Same.
4128 (diagnostic_report_diagnostic): Same.
4129 * diagnostic.h (struct diagnostic_info): Add ctor.
4130 (struct diagnostic_context): Add new member.
4131 * tree-diagnostic.c (set_inlining_locations): New.
4132 (tree_diagnostics_defaults): Set new callback pointer.
4134 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
4136 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
4138 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
4139 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
4140 lxvp and stxvp built-ins.
4141 (mma_init_builtins): Handle lxvp and stxvp built-ins.
4142 (builtin_function_type): Likewise.
4143 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
4145 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
4147 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
4148 additional argument for the code.
4149 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
4150 argument for the code. Just return if the ZN bits are useful or
4151 not rather than the old style CC_* enums.
4152 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
4153 more generic shiftqi patterns.
4154 (shifthi_noscratch, shiftsi_noscratch): Similarly.
4155 (shiftqi_noscratch_set_flags): New pattern.
4156 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
4158 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
4160 PR tree-optimization/101223
4161 * range-op.cc (build_lt): Add -1 for signed values.
4162 (built_gt): Subtract -1 for signed values.
4164 2021-07-02 David Faust <david.faust@oracle.com>
4166 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
4167 (btf_asm_type): Likewise.
4169 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
4171 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
4172 an array of rtx rather than a pointer to rtx. Add code argument.
4173 (compute_a_shift_length): Similarly.
4174 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
4175 shift itself isn't an operand. Create dummy operand[0] to carry
4176 a mode and pass a suitable rtx code to compute_a_shift_length.
4177 (get_shift_alg): Adjust operand number of clobber in output templates.
4178 (output_a_shift): Make first argument an array of rtx rather than
4179 a pointer to rtx. Add code argument for the type of shift.
4180 Adjust now that the shift itself is no longer an operand.
4181 (compute_a_shift_length): Similarly.
4182 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
4183 iterator rather than nshift_operator.
4184 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
4185 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
4186 and compute_a_shift_length.
4187 (shiftqi_noscratch_clobber_flags): Likewise.
4188 (shifthi_noscratch_clobber_flags): Likewise.
4189 (shiftsi_noscratch_clobber_flags): Likewise.
4191 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
4194 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
4195 dsymutil for BTF/CTF.
4197 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
4200 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
4201 segment to include BTF.
4202 (BTF_INFO_SECTION_NAME): New.
4204 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
4206 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
4207 (small_data_operand, memreg_operand, small_insn_p): Likewise.
4208 * config/m32r/m32r.c (call_operand): Adjust return type.
4209 (small_data_operand, memreg_operand): Likewise.
4211 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
4213 * config/frv/frv-protos.h (integer_register_operand): Adjust return
4215 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
4216 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
4217 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
4218 (move_source_operand, move_destination_operand): Likewise.
4219 (condexec_source_operand, condexec_dest_operand): Likewise.
4220 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
4221 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
4222 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
4223 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
4224 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
4225 (even_fpr_operand, odd_fpr_operand): Likewise.
4226 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
4227 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
4228 (uint4_operand, uint1_operand, int_2word_operand): Likewise
4229 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
4230 (relational_operator, float_relational_operator): Likewise.
4231 (ccr_eqne_operator, minmax_operator): Likewise.
4232 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
4233 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
4234 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
4235 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
4236 (quad_acc_operand, accg_operand): Likewise.
4238 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
4240 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
4241 return type to a bool.
4242 (nonimmediate_nonstack_operand): Likewise.
4243 (xstormy16_splittable_below100_operand): Likewise.
4244 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
4246 (xstormy16_splittable_below100_operand): Likewise.
4248 2021-07-02 Richard Biener <rguenther@suse.de>
4250 PR tree-optimization/101293
4251 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
4252 with combined offsets.
4253 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
4254 combined with the rest of the offset.
4256 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
4258 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
4259 PIC encodings for PE-COFF targets.
4261 2021-07-02 Jakub Jelinek <jakub@redhat.com>
4264 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
4265 Return nullptr for TImode inner mode.
4267 2021-07-02 Richard Biener <rguenther@suse.de>
4269 PR tree-optimization/101280
4270 PR tree-optimization/101173
4271 * gimple-loop-interchange.cc
4272 (tree_loop_interchange::valid_data_dependences): Properly
4273 guard all dependence checks with DDR_REVERSED_P or its
4276 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
4278 * config/i386/i386-expand.c (ix86_expand_builtin):
4279 Add branch to clear odata when ZF is set for asedecenc_expand
4280 and wideaesdecenc_expand.
4282 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
4284 * config/i386/gcc-auto-profile: regenerate
4286 2021-07-02 liuhongt <hongtao.liu@intel.com>
4288 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
4289 (trunc<mode><pmov_dst_4_lower>2): this.
4291 2021-07-01 David Malcolm <dmalcolm@redhat.com>
4293 * diagnostic.h (diagnostic_context::m_file_cache): New field.
4294 * input.c (class fcache): Rename to...
4295 (class file_cache_slot): ...this, making most members private and
4296 prefixing fields with "m_".
4297 (file_cache_slot::get_file_path): New accessor.
4298 (file_cache_slot::get_use_count): New accessor.
4299 (file_cache_slot::missing_trailing_newline_p): New accessor.
4300 (file_cache_slot::inc_use_count): New.
4301 (fcache_buffer_size): Move to...
4302 (file_cache_slot::buffer_size): ...here.
4303 (fcache_line_record_size): Move to...
4304 (file_cache_slot::line_record_size): ...here.
4305 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
4306 (fcache_tab_size): Move to file_cache::num_file_slots.
4307 (diagnostic_file_cache_init): Update for move of fcache_tab
4308 to global_dc->m_file_cache.
4309 (diagnostic_file_cache_fini): Likewise.
4310 (lookup_file_in_cache_tab): Convert to...
4311 (file_cache::lookup_file): ...this.
4312 (diagnostics_file_cache_forcibly_evict_file): Update for move of
4313 fcache_tab to global_dc->m_file_cache, moving most of
4314 implementation to...
4315 (file_cache::forcibly_evict_file): ...this new function and...
4316 (file_cache_slot::evict): ...this new function.
4317 (evicted_cache_tab_entry): Convert to...
4318 (file_cache::evicted_cache_tab_entry): ...this.
4319 (add_file_to_cache_tab): Convert to...
4320 (file_cache::add_file): ...this, moving bulk of implementation
4322 (file_cache_slot::create): ..this new function.
4323 (file_cache::file_cache): New.
4324 (file_cache::~file_cache): New.
4325 (lookup_or_add_file_to_cache_tab): Convert to...
4326 (file_cache::lookup_or_add_file): ..this new function.
4327 (fcache::fcache): Rename to...
4328 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
4330 (fcache::~fcache): Rename to...
4331 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
4333 (needs_read): Convert to...
4334 (file_cache_slot::needs_read_p): ...this.
4335 (needs_grow): Convert to...
4336 (file_cache_slot::needs_grow_p): ...this.
4337 (maybe_grow): Convert to...
4338 (file_cache_slot::maybe_grow): ...this.
4339 (read_data): Convert to...
4340 (file_cache_slot::read_data): ...this.
4341 (maybe_read_data): Convert to...
4342 (file_cache_slot::maybe_read_data): ...this.
4343 (get_next_line): Convert to...
4344 (file_cache_slot::get_next_line): ...this.
4345 (goto_next_line): Convert to...
4346 (file_cache_slot::goto_next_line): ...this.
4347 (read_line_num): Convert to...
4348 (file_cache_slot::read_line_num): ...this.
4349 (location_get_source_line): Update for moving of globals to
4350 global_dc->m_file_cache.
4351 (location_missing_trailing_newline): Likewise.
4352 * input.h (class file_cache_slot): New forward decl.
4353 (class file_cache): New.
4355 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
4357 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
4358 128-bit floating point conditional move support.
4359 (have_compare_and_set_mask): Add IEEE 128-bit floating point
4361 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
4362 (mov<mode>cc_p10, IEEE128 iterator): New insn.
4363 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
4364 (fpmask<mode>, IEEE128 iterator): New insn.
4365 (xxsel<mode>, IEEE128 iterator): New insn.
4367 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
4370 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
4372 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
4374 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
4376 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
4378 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
4379 (vec_duplicate<mode>): New expander.
4381 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
4384 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
4386 (ix86_byte_broadcast): New function.
4387 (ix86_convert_const_wide_int_to_broadcast): Likewise.
4388 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
4389 size is 16 bytes or bigger.
4390 (ix86_broadcast_from_integer_constant): New function.
4391 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
4392 to broadcast if mode size is 16 bytes or bigger.
4393 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
4395 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
4397 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
4399 * config/i386/predicates.md (ix86_endbr_immediate_operand):
4400 Return true/false instead of 1/0.
4401 (movq_parallel): Ditto.
4403 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
4405 * recog.c (general_operand): Return true/false instead of 1/0.
4406 (register_operand): Ditto.
4407 (immediate_operand): Ditto.
4408 (const_int_operand): Ditto.
4409 (const_scalar_int_operand): Ditto.
4410 (const_double_operand): Ditto.
4411 (push_operand): Ditto.
4412 (pop_operand): Ditto.
4413 (memory_operand): Ditto.
4414 (indirect_operand): Ditto.
4416 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
4418 * genpreds.c (write_predicate_subfunction):
4419 Change the type of written subfunction to bool.
4420 (write_one_predicate_function):
4421 Change the type of written function to bool.
4422 (write_tm_preds_h): Ditto.
4423 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
4424 * recog.c (general_operand): Change the type to bool.
4425 (address_operand): Ditto.
4426 (register_operand): Ditto.
4427 (pmode_register_operand): Ditto.
4428 (scratch_operand): Ditto.
4429 (immediate_operand): Ditto.
4430 (const_int_operand): Ditto.
4431 (const_scalar_int_operand): Ditto.
4432 (const_double_operand): Ditto.
4433 (nonimmediate_operand): Ditto.
4434 (nonmemory_operand): Ditto.
4435 (push_operand): Ditto.
4436 (pop_operand): Ditto.
4437 (memory_operand): Ditto.
4438 (indirect_operand): Ditto.
4439 (ordered_comparison_operator): Ditto.
4440 (comparison_operator): Ditto.
4441 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
4442 Change the type of indirect predicate function to bool.
4443 * config/rs6000/rs6000.c (easy_vector_constant):
4444 Change the type to bool.
4445 * config/mips/mips-protos.h (m16_based_address_p):
4446 Change the type of operand 3 to bool.
4448 2021-07-01 Richard Biener <rguenther@suse.de>
4450 PR tree-optimization/101280
4451 PR tree-optimization/101173
4452 * gimple-loop-interchange.cc
4453 (tree_loop_interchange::valid_data_dependences): Revert
4454 previous change and instead correctly handle DDR_REVERSED_P
4457 2021-07-01 Richard Biener <rguenther@suse.de>
4459 PR tree-optimization/101278
4460 * tree-ssa-dse.c (dse_classify_store): First check for
4461 uses, then ignore stmt for chaining purposes.
4463 2021-07-01 Richard Biener <rguenther@suse.de>
4465 PR tree-optimization/100778
4466 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
4467 vectorized ops ahead of their scalar BB.
4469 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
4472 * config/i386/i386.md (*nabs<dwi>2_doubleword):
4473 New insn_and_split pattern.
4474 (*nabs<dwi>2_1): Ditto.
4475 * config/i386/i386-features.c
4476 (general_scalar_chain::compute_convert_gain):
4477 Handle (NEG (ABS (...))) RTX. Rewrite src code
4478 scanner as switch statement.
4479 (general_scalar_chain::convert_insn):
4480 Handle (NEG (ABS (...))) RTX.
4481 (general_scalar_to_vector_candidate_p):
4482 Detect (NEG (ABS (...))) RTX. Reorder case statements
4483 for (AND (NOT (...) ...)) fallthrough.
4485 2021-07-01 Richard Biener <rguenther@suse.de>
4487 PR tree-optimization/101178
4488 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
4489 (slpg::perm_in): Add.
4490 (slpg::get_perm_in): Remove.
4491 (slpg::get_perm_materialized): Add.
4492 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
4493 during permute propagation and materialization.
4495 2021-07-01 Jakub Jelinek <jakub@redhat.com>
4498 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
4500 2021-07-01 Jakub Jelinek <jakub@redhat.com>
4503 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
4504 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
4505 use boolean_type_node instead of integer_type_node as NE_EXPR type.
4506 (lower_reduction_clauses): Likewise.
4508 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
4510 * config/gcn/gcn.c: Include dwarf2.h.
4511 (gcn_addr_space_debug): New function.
4512 (TARGET_ADDR_SPACE_DEBUG): New hook.
4514 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
4516 * common/config/gcn/gcn-common.c
4517 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
4518 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
4520 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
4521 (gcn_frame_pointer_rqd): New function.
4522 (TARGET_FRAME_POINTER_REQUIRED): New hook.
4524 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
4526 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
4527 prologue register saves.
4528 (gcn_debug_unwind_info): Use UI_DWARF2.
4529 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
4530 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
4531 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
4532 (DWARF_LINK_REGISTER): New define.
4533 (FIRST_PSEUDO_REGISTER): Increment.
4534 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
4535 (CALL_USED_REGISTERS): Likewise.
4536 (REGISTER_NAMES): Likewise.
4538 2021-06-30 Richard Biener <rguenther@suse.de>
4540 PR tree-optimization/101267
4541 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
4542 API and use SLP compatible interface of vect_is_simple_use.
4543 Reject not vectorized SLP defs for callers that do not support
4545 (vect_check_store_rhs): Handle masked stores and pass down
4546 the appropriate operator index.
4547 (vectorizable_call): Adjust.
4548 (vectorizable_store): Likewise.
4549 (vectorizable_load): Likewise. Handle SLP pecularity of
4551 (vect_is_simple_use): Remove special-casing of masked stores.
4553 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
4555 * common.opt (foffload): Remove help as Driver only.
4556 * gcc.c (display_help): Add -foffload.
4558 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
4560 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
4561 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
4562 a candidate list; better inform no offload target is configured
4563 and fix hint extraction when passed target is not '\0' at [len].
4564 * common.opt (foffload): Add tailing '.'.
4565 (foffload-options): Likewise; fix flag name in the help string.
4567 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
4570 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
4571 (vcage_f32): Gate comparison on __FAST_MATH__.
4572 (vcageq_f32): Likewise.
4573 (vcale_f32): Likewise.
4574 (vcaleq_f32): Likewise.
4575 (vcagt_f32): Likewise.
4576 (vcagtq_f32): Likewise.
4577 (vcalt_f32): Likewise.
4578 (vcaltq_f32): Likewise.
4579 (vcage_f16): Likewise.
4580 (vcageq_f16): Likewise.
4581 (vcale_f16): Likewise.
4582 (vcaleq_f16): Likewise.
4583 (vcagt_f16): Likewise.
4584 (vcagtq_f16): Likewise.
4585 (vcalt_f16): Likewise.
4586 (vcaltq_f16): Likewise.
4588 2021-06-30 Richard Biener <rguenther@suse.de>
4590 PR tree-optimization/101264
4591 * tree-vect-slp.c (vect_optimize_slp): Propagate the
4592 computed perm_in to all "any" permute successors
4593 we cannot de-duplicate immediately.
4595 2021-06-30 liuhongt <hongtao.liu@intel.com>
4598 * config/i386/sse.md
4599 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
4601 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
4603 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
4604 * config/i386/subst.md (maskz_scalar): New define_subst.
4605 (maskz_scalar_name): New subst_attr.
4606 (maskz_scalar_op5): Ditto.
4607 (round_saeonly_maskz_scalar_op5): Ditto.
4608 (round_saeonly_maskz_scalar_operand5): Ditto.
4610 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
4612 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
4613 Increase code CSECT alignment to at least 32 bytes.
4614 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
4615 alignment designation.
4617 2021-06-29 Sergei Trofimovich <siarheit@google.com>
4619 * doc/generic.texi: Fix s/net yet/not yet/ typo.
4621 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
4623 PR tree-optimization/101254
4624 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
4625 wrapping/non-wrapping when setting the result range.
4627 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
4629 * value-query.cc (gimple_range_global): Allow phis.
4631 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
4633 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
4634 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
4635 statement for location context.
4636 (check_for_binary_op_overflow): Ditto.
4637 (simplify_using_ranges::get_vr_for_comparison): Ditto.
4638 (simplify_using_ranges::compare_name_with_value): Ditto.
4639 (simplify_using_ranges::compare_names): Ditto.
4640 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
4641 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
4642 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
4643 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
4644 (simplify_using_ranges::two_valued_val_range_p): Ditto.
4645 (simplify_using_ranges::simplify): Ditto.
4646 * vr-values.h: Adjust prototypes.
4648 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
4651 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
4653 2021-06-29 Julian Brown <julian@codesourcery.com>
4655 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
4656 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
4657 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
4659 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
4660 (MAX_FIXED_MODE_SIZE): Change to 128.
4662 2021-06-29 Julian Brown <julian@codesourcery.com>
4664 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
4665 (s_mnemonic): Add clrsb.
4666 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
4667 (clrsb<mode>2): Add expander for SImode/DImode.
4669 2021-06-29 Julian Brown <julian@codesourcery.com>
4671 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
4672 muldi3): Add patterns.
4674 2021-06-29 Julian Brown <julian@codesourcery.com>
4676 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
4677 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
4679 2021-06-29 Julian Brown <julian@codesourcery.com>
4681 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
4683 2021-06-29 Joseph Myers <joseph@codesourcery.com>
4685 * btfout.c, ctfout.c: Include "memmodel.h".
4687 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
4689 * gcc.c (check_offload_target_name): Cast len argument to
4690 %q.*s to 'int'; avoid -Wstringop-truncation warning.
4692 2021-06-29 Richard Biener <rguenther@suse.de>
4694 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
4695 to "any" permute nodes and relax "any" permute proapgation
4696 during iterative backward propagation.
4698 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
4701 * common.opt (-foffload=): Update description.
4702 (-foffload-options=): New.
4703 * doc/invoke.texi (C Language Options): Document
4704 -foffload and -foffload-options.
4705 * gcc.c (check_offload_target_name): New, split off from
4706 handle_foffload_option.
4707 (check_foffload_target_names): New.
4708 (handle_foffload_option): Handle -foffload=default.
4709 (driver_handle_option): Update for -foffload-options.
4710 * lto-opts.c (lto_write_options): Use -foffload-options
4711 instead of -foffload.
4712 * lto-wrapper.c (merge_and_complain, append_offload_options):
4714 * opts.c (common_handle_option): Likewise.
4716 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
4718 * doc/invoke.texi (C Language Options): Sort options
4719 alphabetically in optlist and also the description itself.
4720 Remove leftover -fallow-single-precision from and add missing
4721 -fgnu-tm to the optlist.
4723 2021-06-29 Richard Biener <rguenther@suse.de>
4725 * tree-vect-slp.c (slpg_vertex::visited): Remove.
4726 (vect_slp_perms_eq): Handle -1 permutes.
4727 (vect_optimize_slp): Rewrite permute propagation.
4729 2021-06-29 Jakub Jelinek <jakub@redhat.com>
4732 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
4733 perform the optimization in GENERIC when sanitizing and x has a
4736 2021-06-29 Richard Biener <rguenther@suse.de>
4738 PR tree-optimization/101242
4739 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
4740 PHIs with not represented initial values as leafs.
4742 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
4744 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
4745 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
4747 (pdp11_initial_elimination_offset) Remove unused variable.
4748 (pdp11_cmp_length) Ditto.
4749 (pdp11_insn_cost): Ditto, and fix signedness warning.
4751 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
4753 * btfout.c: Include tm_p.h.
4756 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
4758 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
4760 (bpf_expand_epilogue): Likewise.
4761 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
4762 Do not define DBX_DEBUGGING_INFO.
4764 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
4766 * doc/invoke.texi: Document the CTF and BTF debug info options.
4768 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
4769 David Faust <david.faust@oracle.com>
4770 Jose E. Marchesi <jose.marchesi@oracle.com>
4771 Weimin Pan <weimin.pan@oracle.com>
4773 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
4774 GTFILES. Add new object files.
4775 * common.opt: Add CTF and BTF debug info options.
4776 * btfout.c: New file.
4779 * ctfout.c: Likewise.
4780 * dwarf2ctf.c: Likewise.
4781 * dwarf2ctf.h: Likewise.
4782 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
4784 * dwarf2out.c (dwarf2out_source_line): Likewise.
4785 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
4787 (debug_format_do_cu): New function.
4788 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
4790 Include dwarf2ctf.c.
4791 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
4793 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
4794 (CTF_DEBUG): New bitmask.
4795 (BTF_DEBUG): Likewise.
4796 (enum ctf_debug_info_levels): New enum.
4797 * gengtype.c (open_base_files): Handle ctfc.h.
4798 (main): Handle uint32_t type.
4799 * flags.h (btf_debuginfo_p): New definition.
4800 (dwarf_based_debuginfo_p): Likewise.
4801 * opts.c (debug_type_names): Add entries for CTF and BTF.
4802 (btf_debuginfo_p): New function.
4803 (dwarf_based_debuginfo_p): Likewise.
4804 (common_handle_option): Handle -gctfN and -gbtf options.
4805 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
4806 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
4809 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
4811 * dwarf2out.c (AT_class): Function is no longer static.
4813 (AT_unsigned): Likewise.
4816 (get_AT_string): Likewise.
4817 (get_AT_flag): Likewise.
4818 (get_AT_unsigned): Likewise.
4819 (get_AT_ref): Likewise.
4820 (new_die_raw): Likewise.
4821 (lookup_decl_die): Likewise.
4822 (base_type_die): Likewise.
4823 (add_name_attribute): Likewise.
4824 (add_AT_int): Likewise.
4825 (add_AT_unsigned): Likewise.
4826 (add_AT_loc): Likewise.
4827 (dw_get_die_tag): New function.
4828 (dw_get_die_child): Likewise.
4829 (dw_get_die_sib): Likewise.
4830 (struct dwarf_file_data): Move from here to dwarf2out.h
4831 (struct dw_attr_struct): Likewise.
4832 * dwarf2out.h: Analogous changes.
4834 2021-06-28 Martin Jambor <mjambor@suse.cz>
4837 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
4838 members m_dead_stmts and m_dead_ssas.
4839 * ipa-param-manipulation.c
4840 (ipa_param_body_adjustments::mark_dead_statements): New function.
4841 (ipa_param_body_adjustments::common_initialization): Call it on
4842 all removed but not split parameters.
4843 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
4845 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
4847 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
4848 dead debug statements.
4849 (copy_phis_for_bb): Do not copy dead PHI nodes.
4851 2021-06-28 Martin Jambor <mjambor@suse.cz>
4854 * symtab-clones.h (clone_info): Removed member param_adjustments.
4855 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
4856 deal with pass-through splits now.
4857 (ipa_param_performed_split): Removed.
4858 (ipa_param_adjustments::modify_call): Adjusted parameters.
4859 (class ipa_param_body_adjustments): Adjusted parameters of
4860 register_replacement, modify_gimple_stmt and modify_call_stmt.
4861 (ipa_verify_edge_has_no_modifications): Declare.
4862 (ipa_edge_modifications_finalize): Declare.
4863 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
4864 performed_splits processing, pas only edge to padjs->modify_call,
4865 check that call arguments were not modified if they should not have
4867 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
4869 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
4870 (ipa_edge_modification_info): Likewise.
4871 (ipa_edge_modification_sum): Likewise.
4872 (ipa_edge_modifications): New edge summary.
4873 (ipa_verify_edge_has_no_modifications): New function.
4874 (transitive_split_p): Removed.
4875 (transitive_split_map): Likewise.
4876 (init_transitive_splits): Likewise.
4877 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
4878 summary instead of performed_splits.
4879 (ipa_param_body_adjustments::register_replacement): Drop dummy
4880 parameter, set base_index of the created ipa_param_body_replacement.
4881 (phi_arg_will_live_p): New function.
4882 (ipa_param_body_adjustments::common_initialization): Do not create
4883 IPA_SRA dummy decls.
4884 (simple_tree_swap_info): Removed.
4885 (remap_split_decl_to_dummy): Likewise.
4886 (record_argument_state_1): New function.
4887 (record_argument_state): Likewise.
4888 (ipa_param_body_adjustments::modify_call_stmt): New parameter
4889 orig_stmt. Do not work with dummy decls, save necessary info about
4890 changes to ipa_edge_modifications.
4891 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
4892 orig_stmt, pass it to modify_call_stmt.
4893 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
4895 (ipa_edge_modifications_finalize): New function.
4896 * tree-inline.c (remap_gimple_stmt): Pass original statement to
4898 (copy_phis_for_bb): Do not copy dead PHI nodes.
4899 (expand_call_inline): Do not remap performed_splits.
4900 (update_clone_info): Likewise.
4901 * toplev.c: Include ipa-param-manipulation.h.
4902 (toplev::finalize): Call ipa_edge_modifications_finalize.
4904 2021-06-28 Andrew Pinski <apinski@marvell.com>
4906 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
4907 info if we're the only things setting the target PHI.
4908 (value_replacement): Don't duplicate range here.
4909 (minmax_replacement): Likewise.
4911 2021-06-28 Richard Biener <rguenther@suse.de>
4913 PR tree-optimization/101229
4914 * gimple-walk.c (gimple_walk_op): Handle PHIs.
4916 2021-06-28 Martin Liska <mliska@suse.cz>
4918 * config/v850/v850.c (construct_dispose_instruction): Allocate
4920 (construct_prepare_instruction): Likewise.
4922 2021-06-28 Martin Liska <mliska@suse.cz>
4924 * config/v850/v850.c (v850_option_override): Build default
4926 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
4927 ignored for inlining.
4928 (TARGET_CAN_INLINE_P): New.
4930 2021-06-28 Richard Biener <rguenther@suse.de>
4932 PR tree-optimization/101207
4933 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
4934 permute eliding for load permutations properly.
4936 2021-06-28 Richard Biener <rguenther@suse.de>
4938 PR tree-optimization/101173
4939 * gimple-loop-interchange.cc
4940 (tree_loop_interchange::valid_data_dependences): Disallow outer
4941 loop dependence distance of zero.
4943 2021-06-28 liuhongt <hongtao.liu@intel.com>
4946 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
4947 define_insn_and_split.
4948 (*avx_cmp<mode>3_ltint): Ditto.
4949 (*avx2_pcmp<mode>3_3): Ditto.
4950 (*avx2_pcmp<mode>3_4): Ditto.
4951 (*avx2_pcmp<mode>3_5): Ditto.
4953 2021-06-28 liuhongt <hongtao.liu@intel.com>
4955 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
4956 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
4957 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
4958 IX86_BUILTIN_PBLENDVB128): Replace icode with
4960 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
4962 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
4963 New pre_reload splitter.
4965 2021-06-27 Andrew Pinski <apinski@marvell.com>
4967 PR middle-end/101230
4968 * fold-const.c (fold_ternary_loc): Check
4969 the return value of invert_tree_comparison.
4971 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
4973 * config.gcc: Add SPDX License Identifier.
4974 (powerpc-ibm-aix789): Default to aix73.h.
4975 (powerpc-ibm-aix7.2.*.*): New stanza.
4976 * config/rs6000/aix72.h: Add SPDX License Identifier.
4977 * config/rs6000/aix73.h: New file.
4979 2021-06-26 Jason Merrill <jason@redhat.com>
4981 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
4983 2021-06-26 Andrew Pinski <apinski@marvell.com>
4985 * genmatch.c (lower_cond): Copy for_subst_vec
4986 for the simplify also.
4987 (lower): Swap the order for lower_for and lower_cond.
4989 2021-06-26 Andrew Pinski <apinski@marvell.com>
4991 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
4992 flow senatitive info on the moved ssa set.
4994 2021-06-26 Andrew Pinski <apinski@marvell.com>
4996 * fold-const.c (fold_cond_expr_with_comparison):
4997 Exand arg0 into comp_code, arg00, and arg01.
4998 (fold_ternary_loc): Use invert_tree_comparison
4999 instead of fold_invert_truthvalue for the case
5000 where we have A CMP B ? C : A.
5002 2021-06-25 Martin Sebor <msebor@redhat.com>
5004 PR middle-end/101216
5005 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
5007 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
5009 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
5011 2021-06-25 Richard Biener <rguenther@suse.de>
5013 PR tree-optimization/101202
5014 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
5017 2021-06-25 Richard Biener <rguenther@suse.de>
5019 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
5020 STMT_VINFO_REDUC_DEF from the original representative.
5022 2021-06-25 Martin Sebor <msebor@redhat.com>
5024 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
5025 gimple_no_warning_p and gimple_set_no_warning with
5026 warning_suppressed_p, and suppress_warning.
5028 (maybe_warn_for_bound): Same.
5029 (warn_for_access): Same.
5030 (check_access): Same.
5031 (expand_builtin_strncmp): Same.
5032 (fold_builtin_varargs): Same.
5033 * calls.c (maybe_warn_nonstring_arg): Same.
5034 (maybe_warn_rdwr_sizes): Same.
5035 * cfgexpand.c (expand_call_stmt): Same.
5036 * cgraphunit.c (check_global_declaration): Same.
5037 * fold-const.c (fold_undefer_overflow_warnings): Same.
5038 (fold_truth_not_expr): Same.
5039 (fold_unary_loc): Same.
5040 (fold_checksum_tree): Same.
5041 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
5042 (array_bounds_checker::check_mem_ref): Same.
5043 (array_bounds_checker::check_addr_expr): Same.
5044 (array_bounds_checker::check_array_bounds): Same.
5045 * gimple-expr.c (copy_var_decl): Same.
5046 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
5047 (gimple_fold_builtin_strncat): Same.
5048 (gimple_fold_builtin_stxcpy_chk): Same.
5049 (gimple_fold_builtin_stpcpy): Same.
5050 (gimple_fold_builtin_sprintf): Same.
5051 (fold_stmt_1): Same.
5052 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
5053 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
5054 * gimple-ssa-sprintf.c (handle_printf_call): Same.
5055 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
5056 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
5057 * gimple-ssa-warn-restrict.h: Adjust declarations.
5058 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
5059 gimple_no_warning_p and gimple_set_no_warning with
5060 warning_suppressed_p, and suppress_warning.
5062 (check_bounds_or_overlap): Same.
5063 * gimple.c (gimple_build_call_from_tree): Same.
5064 * gimplify.c (gimplify_return_expr): Same.
5065 (gimplify_cond_expr): Same.
5066 (gimplify_modify_expr_complex_part): Same.
5067 (gimplify_modify_expr): Same.
5068 (gimple_push_cleanup): Same.
5069 (gimplify_expr): Same.
5070 * omp-expand.c (expand_omp_for_generic): Same.
5071 (expand_omp_taskloop_for_outer): Same.
5072 * omp-low.c (lower_rec_input_clauses): Same.
5073 (lower_lastprivate_clauses): Same.
5074 (lower_send_clauses): Same.
5075 (lower_omp_target): Same.
5076 * tree-cfg.c (pass_warn_function_return::execute): Same.
5077 * tree-complex.c (create_one_component_var): Same.
5078 * tree-inline.c (remap_gimple_op_r): Same.
5079 (copy_tree_body_r): Same.
5080 (declare_return_variable): Same.
5081 (expand_call_inline): Same.
5082 * tree-nested.c (lookup_field_for_decl): Same.
5083 * tree-sra.c (create_access_replacement): Same.
5084 (generate_subtree_copies): Same.
5085 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
5086 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
5087 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
5088 * tree-ssa-loop-im.c (execute_sm): Same.
5089 * tree-ssa-phiopt.c (cond_store_replacement): Same.
5090 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
5091 (handle_builtin_strcpy): Same.
5092 (maybe_diag_stxncpy_trunc): Same.
5093 (handle_builtin_stxncpy_strncat): Same.
5094 (handle_builtin_strcat): Same.
5095 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
5096 (set_no_uninit_warning): Same.
5097 (uninit_undefined_value_p): Same.
5098 (warn_uninit): Same.
5099 (maybe_warn_operand): Same.
5100 * tree-vrp.c (compare_values_warnv): Same.
5101 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
5102 (test_for_singularity): Same.
5103 * gimple.h (warning_suppressed_p): New function.
5104 (suppress_warning): Same.
5105 (copy_no_warning): Same.
5106 (gimple_set_block): Call gimple_set_location.
5107 (gimple_set_location): Call copy_warning.
5109 2021-06-25 Martin Sebor <msebor@redhat.com>
5111 * tree.h (warning_suppressed_at, copy_warning,
5112 warning_suppressed_p, suppress_warning): New functions.
5114 2021-06-25 Martin Sebor <msebor@redhat.com>
5116 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
5117 * gengtype.c (open_base_files): Add diagnostic-spec.h.
5118 * diagnostic-spec.c: New file.
5119 * diagnostic-spec.h: New file.
5120 * tree.h (no_warning, all_warnings, suppress_warning_at): New
5122 * warning-control.cc: New file.
5124 2021-06-25 liuhongt <hongtao.liu@intel.com>
5127 * config/i386/i386.c (x86_order_regs_for_local_alloc):
5130 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
5132 PR tree-optimization/101189
5133 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
5134 LHS range of condition to postfold routine.
5135 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
5136 FALSE edge if the LHS range supports it being taken.
5137 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
5139 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
5141 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
5142 (relation_oracle::find_relation_block): Check correct bitmap.
5143 (relation_oracle::dump): Do not dump NULL blocks.
5145 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
5147 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
5148 range_on_edge instead of manually calculating.
5150 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
5152 * range-op.cc: Fix comment.
5154 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
5157 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
5158 Handle V8QI and V4HI modes.
5159 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
5161 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
5162 (mmxpackmode): New mode attribute.
5163 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
5164 (mmxunpackmode): New mode attribute.
5165 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
5166 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
5167 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
5168 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
5169 * config/i386/i386.md (extsuffix): Move from ...
5170 * config/i386/sse.md: ... here.
5172 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
5174 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
5175 (dwarf2out_finish): ...instead of here.
5177 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
5179 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
5180 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
5181 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
5182 * configure: Regenerate.
5184 2021-06-24 Richard Biener <rguenther@suse.de>
5186 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
5187 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
5188 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
5190 2021-06-24 Richard Biener <rguenther@suse.de>
5192 * config/i386/sse.md (avx_addsubv4df3): Rename to
5194 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
5195 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
5196 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
5197 * config/i386/i386-builtin.def: Adjust.
5198 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
5199 * optabs.def (vec_addsub_optab): New optab.
5200 * tree-vect-slp-patterns.c (class addsub_pattern): New.
5201 (slp_patterns): Add addsub_pattern.
5202 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
5203 across CFN_VEC_ADDSUB.
5204 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
5206 * doc/md.texi (vec_addsub<mode>3): Document.
5208 2021-06-24 Jakub Jelinek <jakub@redhat.com>
5210 PR middle-end/101170
5211 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
5212 where regno + subreg_regno_offset wraps around use 0 as starting
5215 2021-06-24 Jakub Jelinek <jakub@redhat.com>
5217 PR middle-end/101172
5218 * stor-layout.c (finish_bitfield_representative): If nextf has
5219 error_mark_node type, set repr type to error_mark_node too.
5221 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
5223 * config/s390/s390.c (s390_function_profiler): Ignore labelno
5225 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
5227 2021-06-24 Richard Biener <rguenther@suse.de>
5229 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
5230 across operations that have different semantics on different
5233 2021-06-24 Jakub Jelinek <jakub@redhat.com>
5235 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
5236 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
5237 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
5238 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
5239 OMP_TARGET user outer_ctx instead of ctx for placeholders and
5240 initializer/combiner gimplification.
5241 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
5242 on target constructs.
5243 (lower_rec_input_clauses): Likewise.
5244 (lower_omp_target): Likewise.
5245 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
5246 on target if in_reduction is present.
5248 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
5250 * tree-predcom.c (class pcom_worker): New class.
5251 (release_chain): Renamed to...
5252 (pcom_worker::release_chain): ...this.
5253 (release_chains): Renamed to...
5254 (pcom_worker::release_chains): ...this.
5255 (aff_combination_dr_offset): Renamed to...
5256 (pcom_worker::aff_combination_dr_offset): ...this.
5257 (determine_offset): Renamed to...
5258 (pcom_worker::determine_offset): ...this.
5259 (class comp_ptrs): New class.
5260 (split_data_refs_to_components): Renamed to...
5261 (pcom_worker::split_data_refs_to_components): ...this,
5262 and update with class comp_ptrs.
5263 (suitable_component_p): Renamed to...
5264 (pcom_worker::suitable_component_p): ...this.
5265 (filter_suitable_components): Renamed to...
5266 (pcom_worker::filter_suitable_components): ...this.
5267 (valid_initializer_p): Renamed to...
5268 (pcom_worker::valid_initializer_p): ...this.
5269 (find_looparound_phi): Renamed to...
5270 (pcom_worker::find_looparound_phi): ...this.
5271 (add_looparound_copies): Renamed to...
5272 (pcom_worker::add_looparound_copies): ...this.
5273 (determine_roots_comp): Renamed to...
5274 (pcom_worker::determine_roots_comp): ...this.
5275 (determine_roots): Renamed to...
5276 (pcom_worker::determine_roots): ...this.
5277 (single_nonlooparound_use): Renamed to...
5278 (pcom_worker::single_nonlooparound_use): ...this.
5279 (remove_stmt): Renamed to...
5280 (pcom_worker::remove_stmt): ...this.
5281 (execute_pred_commoning_chain): Renamed to...
5282 (pcom_worker::execute_pred_commoning_chain): ...this.
5283 (execute_pred_commoning): Renamed to...
5284 (pcom_worker::execute_pred_commoning): ...this.
5285 (struct epcc_data): New member worker.
5286 (execute_pred_commoning_cbck): Call execute_pred_commoning
5287 with pcom_worker pointer.
5288 (find_use_stmt): Renamed to...
5289 (pcom_worker::find_use_stmt): ...this.
5290 (find_associative_operation_root): Renamed to...
5291 (pcom_worker::find_associative_operation_root): ...this.
5292 (find_common_use_stmt): Renamed to...
5293 (pcom_worker::find_common_use_stmt): ...this.
5294 (combinable_refs_p): Renamed to...
5295 (pcom_worker::combinable_refs_p): ...this.
5296 (reassociate_to_the_same_stmt): Renamed to...
5297 (pcom_worker::reassociate_to_the_same_stmt): ...this.
5298 (stmt_combining_refs): Renamed to...
5299 (pcom_worker::stmt_combining_refs): ...this.
5300 (combine_chains): Renamed to...
5301 (pcom_worker::combine_chains): ...this.
5302 (try_combine_chains): Renamed to...
5303 (pcom_worker::try_combine_chains): ...this.
5304 (prepare_initializers_chain): Renamed to...
5305 (pcom_worker::prepare_initializers_chain): ...this.
5306 (prepare_initializers): Renamed to...
5307 (pcom_worker::prepare_initializers): ...this.
5308 (prepare_finalizers_chain): Renamed to...
5309 (pcom_worker::prepare_finalizers_chain): ...this.
5310 (prepare_finalizers): Renamed to...
5311 (pcom_worker::prepare_finalizers): ...this.
5312 (tree_predictive_commoning_loop): Renamed to...
5313 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
5314 some calls and remove some cleanup code.
5315 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
5316 (static variable looparound_phis): Remove.
5317 (static variable name_expansions): Remove.
5319 2021-06-24 Richard Biener <rguenther@suse.de>
5321 * tree-vect-slp.c (slpg_vertex): New struct.
5322 (vect_slp_build_vertices): Adjust.
5323 (vect_optimize_slp): Likewise. Maintain an outgoing permute
5324 and a materialized one.
5326 2021-06-24 Richard Biener <rguenther@suse.de>
5328 PR tree-optimization/101105
5329 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5330 Only ignore steps when they are equal or scalar order is preserved.
5332 2021-06-24 liuhongt <hongtao.liu@intel.com>
5335 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
5336 Adjust comments for ix86_expand_vecop_qihi2.
5337 (ix86_expand_vecmul_qihi): Renamed to ..
5338 (ix86_expand_vecop_qihi2): Adjust function prototype to
5339 support shift operation, add static to definition.
5340 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
5341 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
5342 ix86_expand_vec_shift_qihi_constant.
5343 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
5344 (ix86_expand_vec_shift_qihi_constant): Deleted.
5345 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
5347 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
5348 condition TARGET_64BIT.
5349 (mul<mode>3): Ditto.
5350 (<insn><mode>3): Ditto.
5351 (vlshr<mode>3): Extend to support avx512 vlshr.
5352 (v<insn><mode>3): New expander for
5354 (v<insn>v8qi3): Ditto.
5355 (vashrv8hi3<mask_name>): Renamed to ..
5356 (vashr<mode>3): And extend to support V16QImode for avx512.
5357 (vashrv16qi3): Deleted.
5358 (vashrv2di3<mask_name>): Extend expander to support avx512
5361 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
5363 * doc/lto.texi (Design Overview): Update that slim objects are
5366 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
5368 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
5369 of OTHER_POWER10_MASKS so it will not be enabled by default.
5371 2021-06-23 Richard Biener <rguenther@suse.de>
5372 Martin Jambor <mjambor@suse.cz>
5374 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
5375 param replacement unconditionally. Adjust comment.
5377 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
5379 * Makefile.in (OBJS): Add gimple-range-fold.o
5380 * gimple-range-fold.cc: New.
5381 * gimple-range-fold.h: New.
5382 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
5383 (gimple_range_calc_op2): Ditto.
5384 * gimple-range-gori.h: Move prototypes to here.
5385 * gimple-range.cc: Adjust include files.
5386 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
5387 (fur_source::get_operand): Ditto.
5388 (fur_source::get_phi_operand): Ditto.
5389 (fur_source::query_relation): Ditto.
5390 (fur_source::register_relation): Ditto.
5391 (class fur_edge): Ditto.
5392 (fur_edge::fur_edge): Ditto.
5393 (fur_edge::get_operand): Ditto.
5394 (fur_edge::get_phi_operand): Ditto.
5395 (fur_stmt::fur_stmt): Ditto.
5396 (fur_stmt::get_operand): Ditto.
5397 (fur_stmt::get_phi_operand): Ditto.
5398 (fur_stmt::query_relation): Ditto.
5399 (class fur_depend): Relocate to gimple-range-fold.h.
5400 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
5401 (fur_depend::register_relation): Ditto.
5402 (fur_depend::register_relation): Ditto.
5403 (class fur_list): Ditto.
5404 (fur_list::fur_list): Ditto.
5405 (fur_list::get_operand): Ditto.
5406 (fur_list::get_phi_operand): Ditto.
5407 (fold_range): Ditto.
5408 (adjust_pointer_diff_expr): Ditto.
5409 (gimple_range_adjustment): Ditto.
5410 (gimple_range_base_of_assignment): Ditto.
5411 (gimple_range_operand1): Ditto.
5412 (gimple_range_operand2): Ditto.
5413 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
5414 (gimple_range_calc_op2): Ditto.
5415 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
5416 (fold_using_range::range_of_range_op): Ditto.
5417 (fold_using_range::range_of_address): Ditto.
5418 (fold_using_range::range_of_phi): Ditto.
5419 (fold_using_range::range_of_call): Ditto.
5420 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
5421 (fold_using_range::range_of_builtin_call): Ditto.
5422 (fold_using_range::range_of_cond_expr): Ditto.
5423 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
5424 (fold_using_range::relation_fold_and_or): Ditto.
5425 (fold_using_range::postfold_gcond_edges): Ditto.
5426 * gimple-range.h: Add gimple-range-fold.h to include files. Change
5427 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
5428 (gimple_range_handler): Relocate to gimple-range-fold.h.
5429 (gimple_range_ssa_p): Ditto.
5430 (range_compatible_p): Ditto.
5431 (class fur_source): Ditto.
5432 (class fur_stmt): Ditto.
5433 (class fold_using_range): Ditto.
5434 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
5435 (gimple_range_calc_op2): Ditto.
5437 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
5439 PR tree-optimization/101148
5440 PR tree-optimization/101014
5441 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
5442 (ranger_cache::~ranger_cache): Adjust.
5443 (ranger_cache::block_range): Check if propagation disallowed.
5444 (ranger_cache::propagate_cache): Disallow propagation if new value
5445 can't be stored properly.
5446 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
5448 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
5450 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
5451 (sbr_vector::set_bb_range): Return true.
5452 (class sbr_sparse_bitmap): Adjust.
5453 (sbr_sparse_bitmap::set_bb_range): Return value.
5454 (block_range_cache::set_bb_range): Return value.
5455 (ranger_cache::propagate_cache): Use return value to print msg.
5456 * gimple-range-cache.h (class block_range_cache): Adjust.
5458 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
5460 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
5462 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
5464 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
5465 so this pattern can be used for test/compare removal. Pass
5466 current insn to compute_logical_op_length and output_logical_op.
5467 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
5468 (h8300_and_costs): Add argument to compute_logical_op_length.
5469 (output_logical_op): Add new argument. Use it to determine if the
5470 condition codes are used and adjust the output accordingly.
5471 (compute_logical_op_length): Add new argument and update length
5472 computations when condition codes are used.
5473 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
5475 (output_logical_op): Likewise.
5477 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
5480 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
5481 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
5482 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
5483 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
5484 * config/i386/sse.md (unspec): ... here.
5486 2021-06-23 Martin Liska <mliska@suse.cz>
5489 * optc-save-gen.awk: Put back arm_fp16_format to
5492 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
5495 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
5498 (clz<mode>2): Update RTX pattern for additions.
5500 2021-06-23 Jakub Jelinek <jakub@redhat.com>
5502 PR middle-end/101167
5503 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
5504 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
5506 2021-06-22 Sergei Trofimovich <siarheit@google.com>
5508 * doc/rtl.texi: drop unbalanced parenthesis.
5510 2021-06-22 Richard Biener <rguenther@suse.de>
5512 PR middle-end/101156
5513 * gimplify.c (gimplify_expr): Remove premature incorrect
5516 2021-06-22 Jakub Jelinek <jakub@redhat.com>
5518 PR tree-optimization/101159
5519 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
5522 2021-06-22 Jakub Jelinek <jakub@redhat.com>
5524 PR middle-end/101160
5525 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
5526 clear crtl->return_rtx instead of keeping it referencing a pseudo.
5528 2021-06-22 Jakub Jelinek <jakub@redhat.com>
5529 Andrew Pinski <apinski@marvell.com>
5531 PR tree-optimization/101162
5532 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
5535 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
5537 * range-op.cc (range_relational_tests): New.
5538 (range_op_tests): Call range_relational_tests.
5540 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
5542 * range-op.cc (operator_cast::lhs_op1_relation): New.
5543 (operator_identity::lhs_op1_relation): Mew.
5545 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
5547 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
5549 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
5551 * range-op.cc (operator_plus::lhs_op1_relation): New.
5552 (operator_plus::lhs_op2_relation): New.
5554 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
5556 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
5557 relation_oracle if dominators exist.
5558 (ranger_cache::~ranger_cache): Dispose of oracle.
5559 (ranger_cache::dump_bb): Dump oracle.
5560 * gimple-range.cc (fur_source::fur_source): New.
5561 (fur_source::get_operand): Use mmeber query.
5562 (fur_source::get_phi_operand): Use member_query.
5563 (fur_source::query_relation): New.
5564 (fur_source::register_dependency): Delete.
5565 (fur_source::register_relation): New.
5566 (fur_edge::fur_edge): Adjust.
5567 (fur_edge::get_phi_operand): Fix comment.
5568 (fur_edge::query): Delete.
5569 (fur_stmt::fur_stmt): Adjust.
5570 (fur_stmt::query): Delete.
5571 (fur_depend::fur_depend): Adjust.
5572 (fur_depend::register_relation): New.
5573 (fur_depend::register_relation): New.
5574 (fur_list::fur_list): Adjust.
5575 (fur_list::get_operand): Use member query.
5576 (fold_using_range::range_of_range_op): Process and query relations.
5577 (fold_using_range::range_of_address): Adjust dependency call.
5578 (fold_using_range::range_of_phi): Ditto.
5579 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
5580 (fold_using_range::relation_fold_and_or): New.
5581 (fold_using_range::postfold_gcond_edges): New.
5582 * gimple-range.h (class gimple_ranger): Adjust.
5583 (class fur_source): Adjust members.
5584 (class fur_stmt): Ditto.
5585 (class fold_using_range): Ditto.
5587 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
5589 * range-op.cc (range_operator::wi_fold): Apply relation effect.
5590 (range_operator::fold_range): Adjust and apply relation effect.
5591 (*::fold_range): Add relation parameters.
5592 (*::op1_range): Ditto.
5593 (*::op2_range): Ditto.
5594 (range_operator::lhs_op1_relation): New.
5595 (range_operator::lhs_op2_relation): New.
5596 (range_operator::op1_op2_relation): New.
5597 (range_operator::op1_op2_relation_effect): New.
5598 (relop_early_resolve): New.
5599 (operator_equal::op1_op2_relation): New.
5600 (operator_equal::fold_range): Call relop_early_resolve.
5601 (operator_not_equal::op1_op2_relation): New.
5602 (operator_not_equal::fold_range): Call relop_early_resolve.
5603 (operator_lt::op1_op2_relation): New.
5604 (operator_lt::fold_range): Call relop_early_resolve.
5605 (operator_le::op1_op2_relation): New.
5606 (operator_le::fold_range): Call relop_early_resolve.
5607 (operator_gt::op1_op2_relation): New.
5608 (operator_gt::fold_range): Call relop_early_resolve.
5609 (operator_ge::op1_op2_relation): New.
5610 (operator_ge::fold_range): Call relop_early_resolve.
5611 * range-op.h (class range_operator): Adjust parameters and methods.
5613 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
5615 * Makefile.in (OBJS): Add value-relation.o.
5616 * gimple-range.h: Adjust include files.
5617 * tree-data-ref.c: Adjust include file order.
5618 * value-query.cc (range_query::get_value_range): Default to no oracle.
5619 (range_query::query_relation): New.
5620 (range_query::query_relation): New.
5621 * value-query.h (class range_query): Adjust.
5622 * value-relation.cc: New.
5623 * value-relation.h: New.
5625 2021-06-22 Richard Biener <rguenther@suse.de>
5627 PR tree-optimization/101151
5628 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
5631 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
5633 * config/riscv/riscv.c (thead_c906_tune_info): New.
5634 (riscv_tune_info_table): Use new tune.
5636 2021-06-22 Richard Biener <rguenther@suse.de>
5638 PR tree-optimization/101158
5639 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
5640 checking after checking for matching operation.
5642 2021-06-22 Richard Biener <rguenther@suse.de>
5644 PR tree-optimization/101159
5645 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
5646 missing NULL vectype check.
5648 2021-06-22 Richard Biener <rguenther@suse.de>
5650 PR tree-optimization/101154
5651 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
5653 2021-06-22 Jakub Jelinek <jakub@redhat.com>
5656 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
5657 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
5658 * config/i386/i386.c (ix86_expand_prologue): Clear it.
5659 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
5660 Remove "" from match_operand. Emit new insns using emit_move_insn and
5661 set ix86_last_zero_store_uid to INSN_UID of the last store.
5662 Add peephole2s for 1/2/4 stores of const0_rtx following previous
5665 2021-06-22 Martin Liska <mliska@suse.cz>
5667 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
5670 2021-06-22 Martin Liska <mliska@suse.cz>
5672 * gcov-io.h: Remove padding entries.
5674 2021-06-22 liuhongt <hongtao.liu@intel.com>
5676 PR tree-optimization/97770
5677 * tree-vect-patterns.c (vect_recog_popcount_pattern):
5679 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
5681 2021-06-22 liuhongt <hongtao.liu@intel.com>
5684 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
5685 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
5686 (expand<mode>_mask): this ..
5687 (*expand<mode>_mask): New pre_reload splitter to transform
5688 v{,p}expand* to vmov* when mask is zero, all ones, or has all
5689 ones in it's lower part, otherwise still generate
5692 2021-06-22 liuhongt <hongtao.liu@intel.com>
5695 * config/i386/i386-expand.c
5696 (ix86_expand_special_args_builtin): Keep constm1_operand only
5697 if it satisfies insn's operand predicate.
5699 2021-06-21 Jason Merrill <jason@redhat.com>
5702 * df-scan.c (df_ref_record): Check that regno < endregno.
5703 * function.c (assign_parms, expand_function_end): Do nothing with a
5704 TYPE_EMPTY_P result.
5706 2021-06-21 Richard Biener <rguenther@suse.de>
5708 PR tree-optimization/101120
5709 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
5711 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
5712 DR chain DCE capability.
5713 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
5714 * tree-vect-stmts.c (vectorizable_load): Remove unused
5715 loads in the DR chain for SLP.
5717 2021-06-21 Jakub Jelinek <jakub@redhat.com>
5719 PR inline-asm/100785
5720 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
5721 output or input operands were already error_mark_node.
5722 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
5723 remove all inputs, outputs and clobbers from the asm and
5726 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5728 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
5729 (vceq_s16): Likewise.
5730 (vceq_s32): Likewise.
5731 (vceq_u8): Likewise.
5732 (vceq_u16): Likewise.
5733 (vceq_u32): Likewise.
5734 (vceq_p8): Likewise.
5735 (vceqq_s8): Likewise.
5736 (vceqq_s16): Likewise.
5737 (vceqq_s32): Likewise.
5738 (vceqq_u8): Likewise.
5739 (vceqq_u16): Likewise.
5740 (vceqq_u32): Likewise.
5741 (vceqq_p8): Likewise.
5742 (vceq_f32): Gate __a == __b on __FAST_MATH__.
5743 (vceqq_f32): Likewise.
5744 (vceq_f16): Likewise.
5745 (vceqq_f16): Likewise.
5747 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5750 * config/arm/iterators.md (NEON_VACMP): Remove.
5751 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
5753 (neon_vca<cmp_op><mode>_insn): Likewise.
5754 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
5757 2021-06-21 Richard Biener <rguenther@suse.de>
5759 PR tree-optimization/101121
5760 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
5761 when we just lack a stmt with the desired op when doing permutation.
5762 (vect_build_slp_tree): When caching a failed SLP build attempt
5763 assert that at least one lane is marked as not matching.
5765 2021-06-21 liuhongt <hongtao.liu@intel.com>
5768 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
5769 register alternative.
5770 (*and<mode>_1): Ditto.
5772 (*andn<mode>_1): Ditto.
5773 (*<code><mode>_1): Ditto.
5774 (*<code>qi_1): Ditto.
5775 (*one_cmpl<mode>2_1): Ditto.
5776 (*one_cmplsi2_1_zext): Ditto.
5777 (*one_cmplqi2_1): Ditto.
5778 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
5779 the order of mask registers to be before general registers.
5781 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
5784 * config/i386/i386.md: New define_peephole2s to shrink writing
5785 1, 2 or 4 consecutive zeros to memory when optimizing for size.
5787 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
5789 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
5790 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
5791 more efficient code when the source can be trivially simplified.
5793 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
5795 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
5796 a range if global is not available.
5797 (ranger_cache::entry_range): Fallback to range_of_def.
5798 * gimple-range-cache.h (range_of_def): Adjust prototype.
5800 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
5802 PR tree-optimization/101014
5803 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
5805 (ranger_cache::~ranger_cache): Ditto.
5806 (ranger_cache::enable_new_values): Delete.
5807 (ranger_cache::push_poor_value): Delete.
5808 (ranger_cache::range_of_def): Remove poor value processing.
5809 (ranger_cache::entry_range): Ditto.
5810 (ranger_cache::fill_block_cache): Ditto.
5811 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
5812 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
5813 * gimple-range.h (class gimple_ranger): Adjust.
5815 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
5818 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
5819 derived from arm_canon_arch.
5820 (arm_canon_arch_option): Call it.
5821 (arm_canon_arch_multilib_option): New function.
5822 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
5823 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
5824 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
5825 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
5826 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
5827 * config/arm/arm.opt (mlibarch): New option.
5828 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
5829 of march on RHS with mlibarch.
5831 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
5833 * config.in: Regenerate.
5834 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
5836 * configure: Regenerate.
5837 * configure.ac: Fix for global_load assembler functions.
5839 2021-06-18 Richard Biener <rguenther@suse.de>
5841 PR tree-optimization/101112
5842 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
5843 to lookup a pattern stmt def.
5845 2021-06-18 Jakub Jelinek <jakub@redhat.com>
5847 PR middle-end/101062
5848 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
5849 representatives in QUAL_UNION_TYPE.
5851 2021-06-18 Andrew Pinski <apinski@marvell.com>
5853 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
5854 Add counting of how many times it is done.
5855 (factor_out_conditional_conversion): Likewise.
5856 (match_simplify_replacement): Likewise.
5857 (value_replacement): Likewise.
5858 (spaceship_replacement): Likewise.
5859 (cond_store_replacement): Likewise.
5860 (cond_if_else_store_replacement_1): Likewise.
5861 (hoist_adjacent_loads): Likewise.
5863 2021-06-18 Andrew Pinski <apinski@marvell.com>
5865 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
5866 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
5867 (verify_gimple_assign_binary): Reject point and offset types on
5868 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
5869 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
5870 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
5872 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
5874 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
5875 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
5876 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
5879 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
5881 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
5882 earlyclobber to alts 0/1.
5883 (gen_addadd): Add earlyclobber to alts 0/1.
5884 * config/rs6000/fusion.md: Regenerate file.
5886 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
5888 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
5890 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
5892 * gimple-range-cache.cc: Comment cleanups.
5893 * gimple-range-gori.cc: Comment cleanups.
5894 * gimple-range.cc: Comment/spacing cleanups
5895 * value-range.h: Comment cleanups.
5897 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
5900 * calls.c (expand_call): Replace PUSH_ARGS with
5901 targetm.calls.push_argument (0).
5902 (emit_library_call_value_1): Likewise.
5903 * defaults.h (PUSH_ARGS): Removed.
5904 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
5905 targetm.calls.push_argument (0).
5906 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
5907 (emit_push_insn): Pass the number bytes to push to
5908 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
5909 * hooks.c (hook_bool_uint_true): New.
5910 * hooks.h (hook_bool_uint_true): Likewise.
5911 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
5912 targetm.calls.push_argument (0).
5913 * target.def (push_argument): Add a targetm.calls hook.
5914 * targhooks.c (default_push_argument): New.
5915 * targhooks.h (default_push_argument): Likewise.
5916 * config/bpf/bpf.h (PUSH_ARGS): Removed.
5917 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
5918 * config/cr16/cr16.h (PUSH_ARGS): Removed.
5919 * config/i386/i386.c (ix86_push_argument): New.
5920 (TARGET_PUSH_ARGUMENT): Likewise.
5921 * config/i386/i386.h (PUSH_ARGS): Removed.
5922 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
5923 * config/m32c/m32c.h (PUSH_ARGS): Removed.
5924 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
5925 * config/pru/pru.h (PUSH_ARGS): Likewise.
5926 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
5927 TARGET_PUSH_ARGUMENT hook.
5928 * doc/tm.texi: Regenerated.
5930 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
5933 * config/i386/i386-expand.c (expand_vector_set_var):
5934 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
5935 ix86_expand_vector_init_duplicate.
5936 (ix86_expand_vector_init_duplicate): Emit insv_1 for
5937 QImode for !TARGET_PARTIAL_REG_STALL.
5938 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
5939 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
5940 as operand 2 predicate. Call ix86_expand_vector_set_var
5941 for non-constant index operand.
5942 (vec_setv2si): Ditto.
5943 (vec_setv4hi): Ditto.
5944 (vec_setv8qi): ditto.
5946 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
5948 PR tree-optimization/100790
5949 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
5952 2021-06-17 Martin Liska <mliska@suse.cz>
5954 * doc/invoke.texi: Use consistently -O1 instead of -O.
5956 2021-06-17 Martin Liska <mliska@suse.cz>
5958 * gcov-io.h: Update documentation entry about string format.
5960 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
5963 * config/s390/vecintrin.h (vec_doublee): Fix to use
5964 __builtin_s390_vflls.
5965 (vec_floate): Fix to use __builtin_s390_vflrd.
5967 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
5969 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
5970 * dominance.h (get_dominated_to_depth): Likewise.
5971 (get_all_dominated_blocks): Likewise.
5972 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
5973 * gcse.c (hoist_code): Likewise.
5974 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
5975 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
5976 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
5977 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
5979 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
5981 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
5982 * dominance.h (get_dominated_by_region): Likewise.
5983 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
5984 (gimple_duplicate_sese_tail): Likewise.
5985 (move_sese_region_to_fn): Likewise.
5987 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
5989 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
5990 * dominance.h (get_dominated_by): Likewise.
5991 * auto-profile.c (afdo_find_equiv_class): Adjust.
5992 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
5993 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
5994 * tree-cfg.c (test_linear_chain): Likewise.
5995 (test_diamond): Likewise.
5997 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
5999 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
6000 * cfgloopanal.c (get_loop_hot_path): Likewise.
6001 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
6003 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6005 * cgraph.c (cgraph_node::collect_callers): Return
6006 auto_vec<cgraph_edge *>.
6007 * cgraph.h (cgraph_node::collect_callers): Likewise.
6008 * ipa-cp.c (create_specialized_node): Adjust.
6009 (decide_about_value): Likewise.
6010 (decide_whether_version_node): Likewise.
6011 * ipa-sra.c (process_isra_node_results): Likewise.
6013 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6015 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
6016 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
6018 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
6021 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
6023 * gimple-range.cc (debug_seed_ranger): New.
6025 (debug_ranger): New.
6027 2021-06-17 Richard Biener <rguenther@suse.de>
6029 PR tree-optimization/54400
6030 * tree-vectorizer.h (enum slp_instance_kind): Add
6031 slp_inst_kind_bb_reduc.
6032 (reduction_fn_for_scalar_code): Declare.
6033 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
6034 Check SLP_INSTANCE_KIND instead of looking at the
6036 (vect_slp_analyze_instance_alignment): Likewise.
6037 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
6038 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
6039 chain linearization from vect_build_slp_tree_2 and generalize
6040 for the use of BB reduction vectorization.
6041 (vect_build_slp_tree_2): Adjust accordingly.
6042 (vect_optimize_slp): Elide permutes at the root of BB reduction
6044 (vectorizable_bb_reduc_epilogue): New function.
6045 (vect_slp_prune_covered_roots): Likewise.
6046 (vect_slp_analyze_operations): Use them.
6047 (vect_slp_check_for_constructors): Recognize associatable
6048 chains for BB reduction vectorization.
6049 (vectorize_slp_instance_root_stmt): Generate code for the
6050 BB reduction epilogue.
6052 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
6054 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
6056 (gori_compute::may_recompute_p): New.
6057 (gori_compute::outgoing_edge_range_p): Perform recomputations.
6058 * gimple-range-gori.h (class gori_compute): Add prototype.
6060 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
6062 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
6063 true when a range can be calculated.
6064 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
6066 2021-06-16 Martin Sebor <msebor@redhat.com>
6068 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
6069 Correct documented defaults.
6071 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
6073 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
6074 m_new_value_p directly.
6076 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
6079 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
6080 Handle 64bit modes for TARGET_SSE4_1.
6081 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
6082 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
6083 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
6084 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
6085 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
6086 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
6088 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
6090 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
6091 Change to an expander that emits the correct instruction
6092 depending on endianness.
6093 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
6094 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
6096 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
6098 * config/aarch64/aarch64-simd-builtins.def: Split generator
6099 for aarch64_<su>qmovn builtins into scalar and vector
6101 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
6103 (aarch64_<su>qmovn<mode>_insn_be): Define.
6104 (aarch64_<su>qmovn<mode>): Split into scalar and vector
6105 variants. Change vector variant to an expander that emits the
6106 correct instruction depending on endianness.
6108 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
6110 * config/aarch64/aarch64-simd-builtins.def: Split generator
6111 for aarch64_sqmovun builtins into scalar and vector variants.
6112 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
6113 Split into scalar and vector variants. Change vector variant
6114 to an expander that emits the correct instruction depending
6116 (aarch64_sqmovun<mode>_insn_le): Define.
6117 (aarch64_sqmovun<mode>_insn_be): Define.
6119 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
6121 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
6122 Define - modeling zero-high-half semantics.
6123 (aarch64_xtn<mode>): Change to an expander that emits the
6124 appropriate instruction depending on endianness.
6125 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
6127 (aarch64_xtn2<mode>_le): Rename to...
6128 (aarch64_xtn2<mode>_insn_le): This.
6129 (aarch64_xtn2<mode>_be): Rename to...
6130 (aarch64_xtn2<mode>_insn_be): This.
6131 (vec_pack_trunc_<mode>): Emit truncation instruction instead
6133 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
6136 2021-06-16 Martin Jambor <mjambor@suse.cz>
6138 PR tree-optimization/100453
6139 * tree-sra.c (create_access): Disqualify any const candidates
6140 which are written to.
6141 (sra_modify_expr): Do not store sub-replacements back to a const base.
6142 (handle_unscalarized_data_in_subtree): Likewise.
6143 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
6144 instead of constant_decl_p.
6146 2021-06-16 Jakub Jelinek <jakub@redhat.com>
6148 PR middle-end/101062
6149 * stor-layout.c (finish_bitfield_representative): For fields in unions
6150 assume nextf is always NULL.
6151 (finish_bitfield_layout): Compute bit field representatives also in
6152 unions, but handle it as if each bitfield was the only field in the
6155 2021-06-16 Richard Biener <rguenther@suse.de>
6157 PR tree-optimization/101088
6158 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
6159 supported refs on edges. Do not assert same ref but
6160 different kind stores are unsuported but mark them so.
6161 (hoist_memory_references): Only look for supported refs
6164 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
6166 PR rtl-optimization/46235
6167 * config/i386/i386.md: New define_split for bt followed by cmov.
6168 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
6169 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
6170 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
6171 by setnc with zero extension.
6173 2021-06-16 Richard Biener <rguenther@suse.de>
6175 PR tree-optimization/101083
6176 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
6177 vectype as argument.
6178 (vect_build_slp_tree_2): Adjust.
6180 2021-06-15 Martin Sebor <msebor@redhat.com>
6182 PR middle-end/100876
6183 * builtins.c: (gimple_call_return_array): Account for size_t
6184 mangling as either unsigned int or unsigned long
6186 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
6188 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
6189 up before eliminating comparisons.
6191 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
6193 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
6194 nonzero|X is nonzero.
6195 (range_op_bitwise_and_tests): Add tests for above.
6197 2021-06-15 Carl Love <cel@us.ibm.com>
6200 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
6202 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
6205 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
6208 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
6209 (struct gimplify_omp_ctx): Extend defaultmap array by one.
6210 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
6211 (omp_notice_variable): Update type classification for Fortran.
6212 (gimplify_scan_omp_clauses): Update calls for new argument; handle
6213 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
6214 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
6215 * langhooks.c (lhd_omp_scalar_p): Likewise.
6216 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
6217 (LANG_HOOKS_DECLS): Add them.
6218 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
6219 omp_scalar_p pointer type to include the new bool argument.
6221 2021-06-15 David Malcolm <dmalcolm@redhat.com>
6224 (Special Functions for Debugging the Analyzer): Add
6225 __analyzer_dump_capacity.
6227 2021-06-15 Jakub Jelinek <jakub@redhat.com>
6230 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
6231 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
6233 2021-06-15 Richard Biener <rguenther@suse.de>
6235 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
6236 check to identify loop latches.
6237 * cfgloop.c (verify_loop_structure): Likewise.
6238 * loop-init.c (apply_loop_flags): Allow marked irreducible
6239 regions even with multiple latches.
6240 * predict.c (rebuild_frequencies): Simplify.
6242 2021-06-15 Richard Biener <rguenther@suse.de>
6244 * tree-ssa-threadupdate.c
6245 (jump_thread_path_registry::mark_threaded_blocks): Assert we
6246 have marked irreducible regions.
6248 2021-06-14 Martin Sebor <msebor@redhat.com>
6251 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
6252 Handle calls to placement new.
6253 (ndecl_dealloc_argno): Avoid placement delete.
6255 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
6258 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
6259 create_tmp_reg_or_ssa_name().
6261 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
6263 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
6264 (ranger_cache::enable_new_values): Set to specified value and
6265 return the old value.
6266 (ranger_cache::disable_new_values): Delete.
6267 (ranger_cache::fill_block_cache): Disable non 1st order derived
6269 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
6270 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
6272 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
6275 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
6276 Return true early when testing with V2HImode.
6277 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
6279 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
6281 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
6282 (mve_vec_unpack<US>_hi_<mode>): New pattern.
6283 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
6284 (mve_vmovntq_<supf><mode>): Prefix with '@'.
6285 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
6287 (vec_unpack<US>_lo_<mode>): Likewise.
6288 (vec_pack_trunc_<mode>): Rename to
6289 neon_quad_vec_pack_trunc_<mode>.
6290 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
6292 (vec_unpack<US>_lo_<mode>): New.
6293 (vec_pack_trunc_<mode>): New.
6295 2021-06-14 Richard Biener <rguenther@suse.de>
6297 PR tree-optimization/100934
6298 * tree-ssa-dom.c (pass_dominator::execute): Properly
6299 mark irreducible regions.
6301 2021-06-14 Martin Liska <mliska@suse.cz>
6303 * doc/invoke.texi: Put r{...} on the same line as @item.
6305 2021-06-14 Martin Liska <mliska@suse.cz>
6307 * doc/invoke.texi: Add missing newline.
6309 2021-06-14 Martin Liska <mliska@suse.cz>
6311 * doc/invoke.texi: Remove '+' charasters.
6313 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
6315 * config.gcc (arc): Add support for with_cpu option.
6316 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
6318 2021-06-14 Richard Biener <rguenther@suse.de>
6320 PR tree-optimization/101031
6321 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
6322 instead of size when accounting for a possibly string
6325 2021-06-14 Martin Liska <mliska@suse.cz>
6327 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
6329 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
6331 * value-query.cc (gimple_range_global): Call get_range_global
6332 if called after inlining.
6334 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
6337 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
6338 Emit constant permutation insn directly from here.
6340 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
6342 * attribs.c (find_attribute_namespace): Iterate over vec<> with
6344 * auto-profile.c (afdo_find_equiv_class): Likewise.
6345 * gcc.c (do_specs_vec): Likewise.
6346 (do_spec_1): Likewise.
6347 (driver::set_up_specs): Likewise.
6348 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
6349 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
6350 (imm_store_chain_info::try_coalesce_bswap): Likewise.
6351 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
6352 (get_location_for_stmts): Likewise.
6353 * graphite-poly.c (print_iteration_domains): Likewise.
6354 (free_poly_bb): Likewise.
6355 (remove_gbbs_in_scop): Likewise.
6356 (free_scop): Likewise.
6357 (dump_gbb_cases): Likewise.
6358 (dump_gbb_conditions): Likewise.
6359 (print_pdrs): Likewise.
6360 (print_scop): Likewise.
6361 * ifcvt.c (cond_move_process_if_block): Likewise.
6362 * lower-subreg.c (decompose_multiword_subregs): Likewise.
6363 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
6364 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
6365 * sel-sched-dump.c (dump_insn_vector): Likewise.
6366 * store-motion.c (store_ops_ok): Likewise.
6367 (store_killed_in_insn): Likewise.
6368 * timevar.c (timer::named_items::print): Likewise.
6369 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
6370 (cleanup_tree_cfg_noloop): Likewise.
6371 * tree-data-ref.c (dump_data_references): Likewise.
6372 (print_dir_vectors): Likewise.
6373 (print_dist_vectors): Likewise.
6374 (dump_data_dependence_relations): Likewise.
6375 (dump_dist_dir_vectors): Likewise.
6376 (dump_ddrs): Likewise.
6377 (create_runtime_alias_checks): Likewise.
6378 (free_subscripts): Likewise.
6379 (save_dist_v): Likewise.
6380 (save_dir_v): Likewise.
6381 (invariant_access_functions): Likewise.
6382 (same_access_functions): Likewise.
6383 (access_functions_are_affine_or_constant_p): Likewise.
6384 (find_data_references_in_stmt): Likewise.
6385 (graphite_find_data_references_in_stmt): Likewise.
6386 (free_dependence_relations): Likewise.
6387 (free_data_refs): Likewise.
6388 * tree-inline.c (copy_debug_stmts): Likewise.
6389 * tree-into-ssa.c (dump_currdefs): Likewise.
6390 (rewrite_update_phi_arguments): Likewise.
6391 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
6392 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
6394 (vect_slp_analyze_node_dependences): Likewise.
6395 (vect_slp_analyze_instance_dependence): Likewise.
6396 (vect_record_base_alignments): Likewise.
6397 (vect_get_peeling_costs_all_drs): Likewise.
6398 (vect_peeling_supportable): Likewise.
6399 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
6400 (vec_info::free_stmt_vec_infos): Likewise.
6402 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
6404 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
6405 (andqi3_1<cczn>): Removed.
6406 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
6407 (H8/SX bit logicals): Split out from other patterns.
6408 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
6409 mulqihi3_const_clobber_flags.
6410 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
6412 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
6415 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
6416 to true if red zone is used.
6417 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
6419 * config/i386/i386.h (machine_function): Add red_zone_used.
6420 (ix86_red_zone_size): Removed.
6421 (ix86_red_zone_used): New.
6422 * config/i386/i386.md (peephole2 patterns): Replace
6423 ix86_red_zone_size with ix86_red_zone_used.
6425 2021-06-12 Jason Merrill <jason@redhat.com>
6427 * doc/extend.texi (unused variable attribute): Applies to
6428 structure fields as well.
6430 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
6432 * auto-profile.c (read_profile): fix a typo in an error string
6434 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
6436 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
6438 * tree-pretty-print.c (dump_omp_clauses): Update.
6439 (dump_generic_node) <OMP_CLAUSE>: Use it.
6441 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
6444 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
6445 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
6446 the polymorphic variants matching code.
6447 (__arm_vld1q_z): Likewise.
6448 (__arm_vld2q): Likewise.
6449 (__arm_vld4q): Likewise.
6450 (__arm_vldrbq_gather_offset): Likewise.
6451 (__arm_vldrbq_gather_offset_z): Likewise.
6453 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
6455 PR tree-optimization/96392
6456 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
6458 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
6460 PR tree-optimization/96392
6461 * fold-const.c (fold_real_zero_addition_p): Take both arguments
6462 of the addition or subtraction, not just the zero. Use this
6463 other argument in tests for signaling NaNs and signed zeros.
6464 (tree_expr_maybe_real_minus_zero_p): New predicate.
6465 * fold-const.h (fold_real_zero_addition_p): Update prototype.
6466 (tree_expr_maybe_real_minus_zero_p): New function prototype.
6467 * match.pd: Update calls to fold_real_zero_addition_p.
6468 Replace HONOR_NANS with tree_expr_maybe_nan_p.
6469 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
6470 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
6471 * tree-ssa-reassoc.c (eliminate_using_constants): Update
6472 call to fold_real_zero_addition_p.
6474 2021-06-11 Richard Biener <rguenther@suse.de>
6476 PR tree-optimization/101025
6477 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
6478 all refs that require dependence checking.
6480 2021-06-11 Richard Biener <rguenther@suse.de>
6482 PR tree-optimization/101028
6483 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
6484 reassoc discovery fails fatally, mark appropriate lanes
6487 2021-06-11 Richard Biener <rguenther@suse.de>
6489 PR tree-optimization/101026
6490 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
6491 have a representative for the associated chain nodes.
6493 2021-06-11 Jakub Jelinek <jakub@redhat.com>
6495 PR rtl-optimization/101008
6496 * simplify-rtx.c (relational_result): New function.
6497 (simplify_logical_relational_operation,
6498 simplify_relational_operation): Use it.
6500 2021-06-11 Jakub Jelinek <jakub@redhat.com>
6503 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
6505 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
6508 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
6509 false if the permutation can be implemented with constant
6510 permutation instruction in wider mode.
6511 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
6512 Handle V8QImode and V4HImode.
6514 2021-06-11 Martin Liska <mliska@suse.cz>
6516 PR gcov-profile/100788
6517 * common.opt: Add new option.
6518 * coverage.c (coverage_begin_function): Emit warning instead on
6519 the internal compiler error.
6520 * doc/invoke.texi: Document the option.
6521 * toplev.c (process_options): Enable it by default.
6523 2021-06-11 Richard Biener <rguenther@suse.de>
6525 PR middle-end/101009
6526 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
6527 to set *init_b to true when we encounter a constant equal
6529 (compute_affine_dependence): Also dump the actual DR_REF.
6531 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
6533 PR tree-optimization/100984
6534 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
6536 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
6538 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
6540 * config/rs6000/rs6000.md
6541 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
6542 define_insn_and_split.
6544 2021-06-11 Richard Biener <rguenther@suse.de>
6546 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
6547 to sort operands of the associative chain.
6549 2021-06-11 Richard Biener <rguenther@suse.de>
6551 * system.h (gcc_stablesort_r): Declare.
6552 * sort.cc (gcc_sort_r): Support stable sort.
6553 (gcc_stablesort_r): Define.
6554 * vec.h (vec<>::stablesort): Add.
6556 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
6559 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
6560 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
6561 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
6562 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
6563 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
6564 (expand_vec_perm_interleave2): Handle 64bit modes.
6565 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
6566 (expand_vec_perm_even_odd_1): Ditto.
6567 (ix86_vectorize_vec_perm_const): Ditto.
6568 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
6569 * config/i386/sse.md: ... here.
6570 * config/i386/mmx.md (*vec_interleave_lowv2sf):
6571 New insn_and_split pattern.
6572 (*vec_interleave_highv2sf): Ditto.
6573 (mmx_pshufbv8qi3): New insn pattern.
6574 (*mmx_pblendw): Ditto.
6576 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
6578 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
6579 (build_acc): Likewise.
6580 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
6581 source operands in little-endian mode.
6582 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
6583 (mma_init_builtins): Likewise.
6584 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
6585 ordering for the MMA assemble and build source operands.
6586 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
6588 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
6591 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
6593 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
6595 * config/h8300/extensions.md: Replace _clobber_flags patterns
6598 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
6600 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
6601 (vcond_mask_<mode><tointvec>): this.
6603 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
6604 Thomas Schwinge <thomas@codesourcery.com>
6606 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
6607 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
6608 * gimple.h (enum gf_mask): Split
6609 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
6610 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
6611 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
6612 (is_gimple_omp_oacc): Update.
6613 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
6614 * gimplify.c (gimplify_omp_target_update): Likewise.
6615 * omp-expand.c (expand_omp_target, build_omp_regions_1)
6616 (omp_make_gimple_edges): Likewise.
6617 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
6620 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
6622 * value-query.cc (value_query::value_on_edge): Rename name to
6624 (range_query::range_on_edge): Same.
6625 (range_query::value_of_expr): Same.
6626 (range_query::value_on_edge): Same.
6627 * value-query.h (class value_query): Same.
6628 (class range_query): Same.
6630 2021-06-10 Richard Biener <rguenther@suse.de>
6632 PR tree-optimization/101003
6633 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
6634 use the pattern stmt defs when linearizing a chain.
6636 2021-06-10 Jakub Jelinek <jakub@redhat.com>
6639 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
6640 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
6642 2021-06-10 Clement Chigot <clement.chigot@atos.net>
6644 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
6645 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
6647 2021-06-09 Andrew Pinski <apinski@marvell.com>
6649 PR tree-optimization/100925
6650 * match.pd (a ? CST1 : CST2): Limit transformations
6651 that would produce a negative to integeral types only.
6652 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
6654 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
6657 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
6659 * doc/tm.texi: Correctly update.
6661 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
6663 * doc/tm.texi: Correctly update.
6665 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
6668 * doc/tm.texi.in (Trampolines): Add a missing blank line.
6670 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
6673 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
6674 and -ftrampolines work only with Ada.
6675 * doc/tm.texi.in (Trampolines): Likewise.
6676 * doc/tm.texi: Regenerated.
6678 2021-06-09 Carl Love <cel@us.ibm.com>
6680 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
6681 Add define for new builtins.
6682 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
6683 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
6684 overloaded builtin definitions.
6685 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
6686 VSIGNEXTSD2Q): Add builtin expansions.
6687 (SIGNEXT): Add P10 overload definition.
6688 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
6689 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
6690 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
6691 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
6692 vsignextend_si_v2di)[VIlong]: Add define_expand.
6693 Make define_insn vsx_sign_extend_si_v2di visible.
6694 * doc/extend.texi: Add documentation for the vec_signexti,
6695 vec_signextll builtins and vec_signextq.
6697 2021-06-09 Carl Love <cel@us.ibm.com>
6699 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
6700 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
6701 __floattikf_sw, __floatuntikf_sw respectively.
6702 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
6703 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
6704 define_insn for mode IEEE 128.
6706 2021-06-09 Carl Love <cel@us.ibm.com>
6708 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
6709 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
6710 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
6711 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
6712 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
6713 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
6714 uses of VSX_TI to VEC_TI.
6716 2021-06-09 Carl Love <cel@us.ibm.com>
6718 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
6720 2021-06-09 Carl Love <cel@us.ibm.com>
6722 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
6724 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
6725 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
6726 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
6727 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
6728 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
6729 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
6730 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
6732 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
6733 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
6734 altivec_vrlqnm): New define_expands.
6735 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
6736 VCMPGTUT_P): Add macro expansions.
6737 (BU_P10V_AV_P): Add builtin predicate definition.
6738 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
6739 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
6740 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
6741 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
6742 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
6743 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
6744 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
6745 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
6746 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
6747 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
6748 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
6749 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
6750 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
6751 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
6752 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
6753 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
6754 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
6755 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
6756 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
6757 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
6758 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
6759 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
6760 P10V_BUILTIN_MODU_V1TI):
6761 New overloaded definitions.
6762 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
6763 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
6764 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
6765 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
6766 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
6767 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
6769 (altivec_init_builtins): New E_V1TImode case statement.
6770 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
6771 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
6772 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
6773 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
6774 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
6775 E_V1TImode]: New case statements.
6776 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
6777 value RS6000_BTI_bool_V1TI.
6778 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
6779 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
6780 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
6781 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
6782 vlshrv1ti3, vashrv1ti3): New define_expands.
6783 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
6784 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
6785 UNSPEC_VSX_MODUQ): New unspecs.
6786 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
6787 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
6789 (vcmpnet): New define_expand.
6790 * doc/extend.texi: Add documentation for the new builtins vec_rl,
6791 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
6792 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
6793 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
6794 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
6795 vec_any_ge, vec_any_le.
6797 2021-06-09 Carl Love <cel@us.ibm.com>
6799 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
6800 bug in argument generation.
6802 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
6804 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
6806 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
6807 remove <supf> iterator.
6808 (mve_vclzq_u<mode>): New.
6809 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
6810 (neon_vclz<mode): Move to ...
6811 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
6812 * config/arm/vec-common.md: ... here. Add support for MVE.
6814 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
6816 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
6817 (@mve_vrhaddq_<supf><mode): Likewise.
6818 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
6819 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
6820 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
6822 2021-06-09 imba-tjd <109224573@qq.com>
6824 * doc/invoke.texi: Fix typo.
6826 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
6829 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
6830 Support evaluation of fmod/fmodf/fmodl at compile-time.
6832 2021-06-09 Richard Biener <rguenther@suse.de>
6834 PR tree-optimization/100981
6835 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
6836 gimple_get_lhs to also handle calls.
6837 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
6840 2021-06-09 Richard Biener <rguenther@suse.de>
6842 PR tree-optimization/97832
6843 * tree-vectorizer.h (_slp_tree::failed): New.
6844 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
6846 (_slp_tree::~_slp_tree): Free failed.
6847 (vect_build_slp_tree): Retain failed nodes and record
6848 matches in them, copying that back out when running
6849 into a cached fail. Dump start and end of discovery.
6851 (vect_build_slp_tree_2): Handle associatable chains
6852 together doing more aggressive operand swapping.
6854 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
6857 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
6859 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
6860 Linux and GNU targets.
6862 2021-06-09 Richard Biener <rguenther@suse.de>
6864 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
6867 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
6869 * config/arc/arc.md (loop_end): Change it to
6870 define_insn_and_split.
6872 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
6874 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
6875 (machi): New pattern.
6876 (umaddhisi4): Use VMAC2HU instruction.
6877 (umachi): New pattern.
6879 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
6881 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
6882 * config/arc/arc.c (arc_split_move_p): New function.
6883 (arc_split_move): Clean up.
6884 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
6885 (movdf_insn): Likewise.
6886 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
6888 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
6891 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
6892 argument to "raw". Do not emit segment overrides when "raw" is true.
6894 2021-06-09 Martin Liska <mliska@suse.cz>
6896 * doc/gcov.texi: Create a proper JSON files.
6897 * doc/invoke.texi: Remove dots in order to make it a valid
6900 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
6902 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
6903 (insn_is_load_p): Use pattern_is_rotate64.
6904 (insn_is_swap_p): Likewise.
6905 (quad_aligned_load_p): Likewise.
6906 (const_load_sequence_p): Likewise.
6907 (replace_swapped_aligned_load): Likewise.
6908 (recombine_lvx_pattern): Likewise.
6909 (recombine_stvx_pattern): Likewise.
6911 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
6913 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
6914 fur_stmt source record.
6915 * gimple-range.cc (fur_source::get_operand): Generic range query.
6916 (fur_source::get_phi_operand): New.
6917 (fur_source::register_dependency): New.
6918 (fur_source::query): New.
6919 (class fur_edge): New. Edge source for operands.
6920 (fur_edge::fur_edge): New.
6921 (fur_edge::get_operand): New.
6922 (fur_edge::get_phi_operand): New.
6923 (fur_edge::query): New.
6924 (fur_stmt::fur_stmt): New.
6925 (fur_stmt::get_operand): New.
6926 (fur_stmt::get_phi_operand): New.
6927 (fur_stmt::query): New.
6928 (class fur_depend): New. Statement source and process dependencies.
6929 (fur_depend::fur_depend): New.
6930 (fur_depend::register_dependency): New.
6931 (class fur_list): New. List source for operands.
6932 (fur_list::fur_list): New.
6933 (fur_list::get_operand): New.
6934 (fur_list::get_phi_operand): New.
6935 (fold_range): New. Instantiate appropriate fur_source class and fold.
6936 (fold_using_range::range_of_range_op): Use new API.
6937 (fold_using_range::range_of_address): Ditto.
6938 (fold_using_range::range_of_phi): Ditto.
6939 (imple_ranger::fold_range_internal): Use fur_depend class.
6940 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
6941 * gimple-range.h (class fur_source): Now a base class.
6942 (class fur_stmt): New.
6943 (fold_range): New prototypes.
6944 (fur_source::fur_source): Delete.
6946 2021-06-08 Andrew Pinski <apinski@marvell.com>
6948 PR tree-optimization/25290
6949 * tree-ssa-phiopt.c (xor_replacement): Delete.
6950 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
6951 (match_simplify_replacement): Allow one cheap preparation
6952 statement that can be moved to before the if.
6954 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
6956 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
6957 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
6959 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
6961 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
6962 Create length attribute on define_insn_and_split. Only split for cases which we
6964 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
6965 fix length computation.
6966 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
6968 2021-06-08 Richard Biener <rguenther@suse.de>
6970 PR tree-optimization/100923
6971 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
6972 the operand vector to be valueized.
6973 (valueize_refs): Likewise.
6974 (valueize_shared_reference_ops_from_ref): Adjust.
6975 (valueize_shared_reference_ops_from_call): Likewise.
6976 (vn_reference_lookup_3): Likewise.
6977 (vn_reference_lookup_pieces): Likewise. Re-valueize
6978 with honoring availability when we are about to create
6979 the ao_ref and valueized before.
6980 (vn_reference_lookup): Likewise.
6981 (vn_reference_insert_pieces): Adjust.
6983 2021-06-08 Richard Biener <rguenther@suse.de>
6985 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
6986 (_slp_instance::root_stmts): ... a vector.
6987 (SLP_INSTANCE_ROOT_STMT): Rename to ...
6988 (SLP_INSTANCE_ROOT_STMTS): ... this.
6989 (slp_root::root): Change to...
6990 (slp_root::roots): ... a vector.
6991 (slp_root::slp_root): Adjust.
6992 * tree-vect-slp.c (_slp_instance::location): Adjust.
6993 (vect_free_slp_instance): Release the root stmt vector.
6994 (vect_build_slp_instance): Adjust.
6995 (vect_analyze_slp): Likewise.
6996 (_bb_vec_info::~_bb_vec_info): Likewise.
6997 (vect_slp_analyze_operations): Likewise.
6998 (vect_bb_vectorization_profitable_p): Likewise. Adjust
6999 costs for the root stmt.
7000 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
7002 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
7004 (vectorize_slp_instance_root_stmt): Adjust.
7005 (vect_schedule_slp): Likewise.
7007 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
7009 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
7010 (ssa_equiv_stack::ssa_equiv_stack): New.
7011 (ssa_equiv_stack::~ssa_equiv_stack): New.
7012 (ssa_equiv_stack::enter): New.
7013 (ssa_equiv_stack::leave): New.
7014 (ssa_equiv_stack::push_replacement): New.
7015 (ssa_equiv_stack::get_replacement): New.
7016 (is_pointer_ssa): New.
7017 (class pointer_equiv_analyzer): New.
7018 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
7019 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
7020 (pointer_equiv_analyzer::set_global_equiv): New.
7021 (pointer_equiv_analyzer::set_cond_equiv): New.
7022 (pointer_equiv_analyzer::get_equiv): New.
7023 (pointer_equiv_analyzer::enter): New.
7024 (pointer_equiv_analyzer::leave): New.
7025 (pointer_equiv_analyzer::get_equiv_expr): New.
7026 (pta_valueize): New.
7027 (pointer_equiv_analyzer::visit_stmt): New.
7028 (pointer_equiv_analyzer::visit_edge): New.
7029 (hybrid_folder::value_of_expr): Call PTA.
7030 (hybrid_folder::value_on_edge): Same.
7031 (hybrid_folder::pre_fold_bb): New.
7032 (hybrid_folder::post_fold_bb): New.
7033 (hybrid_folder::pre_fold_stmt): New.
7034 (rvrp_folder::pre_fold_bb): New.
7035 (rvrp_folder::post_fold_bb): New.
7036 (rvrp_folder::pre_fold_stmt): New.
7037 (rvrp_folder::value_of_expr): Call PTA.
7038 (rvrp_folder::value_on_edge): Same.
7040 2021-06-08 Jakub Jelinek <jakub@redhat.com>
7043 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
7044 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
7046 2021-06-08 Richard Biener <rguenther@suse.de>
7048 PR middle-end/100951
7049 * tree-vect-generic.c (expand_vector_piecewise): Build a
7050 VECTOR_CST if all elements are constant.
7051 (expand_vector_condition): Likewise.
7052 (lower_vec_perm): Likewise.
7053 (expand_vector_conversion): Likewise.
7055 2021-06-08 Martin Liska <mliska@suse.cz>
7057 * doc/invoke.texi: Document new param evrp-sparse-threshold.
7059 2021-06-08 Martin Liska <mliska@suse.cz>
7061 * genautomata.c (create_automata): Fix typo.
7063 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
7065 PR tree-optimization/100794
7066 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
7067 allow_unroll_p and only allow unrolling when it's true.
7068 (tree_predictive_commoning): Add parameter allow_unroll_p and
7070 (run_tree_predictive_commoning): Likewise.
7071 (pass_predcom::gate): Check flag_tree_loop_vectorize and
7072 global_options_set.x_flag_predictive_commoning.
7073 (pass_predcom::execute): Adjust for allow_unroll_p.
7075 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
7077 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
7078 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
7079 lambda function cleanup, remove scev_reset call, and adjust return
7081 (tree_predictive_commoning): Adjust for different changed values,
7082 only set flag TODO_update_ssa_only_virtuals if changed.
7083 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
7084 from todo_flags_finish.
7086 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
7088 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
7089 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
7090 (sbr_sparse_bitmap::bitmap_set_quad): New.
7091 (sbr_sparse_bitmap::bitmap_get_quad): New.
7092 (sbr_sparse_bitmap::set_bb_range): New.
7093 (sbr_sparse_bitmap::get_bb_range): New.
7094 (sbr_sparse_bitmap::bb_range_p): New.
7095 (block_range_cache::block_range_cache): initialize bitmap obstack.
7096 (block_range_cache::~block_range_cache): Destruct obstack.
7097 (block_range_cache::set_bb_range): Decide when to utilze the
7098 sparse on entry cache.
7099 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
7100 * params.opt (-param=evrp-sparse-threshold): New.
7102 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
7104 * bitmap.c (bitmap_set_aligned_chunk): New.
7105 (bitmap_get_aligned_chunk): New.
7106 (test_aligned_chunk): New.
7107 (bitmap_c_tests): Call test_aligned_chunk.
7108 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
7110 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
7113 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
7115 (ix86_expand_vector_init_one_nonzero): Ditto.
7116 (ix86_expand_vector_init_one_var): Ditto.
7117 (ix86_expand_vector_init_general): Ditto.
7118 * config/i386/mmx.md (vec_initv4qiqi): New expander.
7120 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
7122 * config/h8300/movepush.md: Change most _clobber_flags
7123 patterns to instead use <cczn> subst.
7124 (movsi_cczn): New pattern with usable CC cases split out.
7125 (movsi_h8sx_cczn): Likewise.
7127 2021-06-07 Martin Liska <mliska@suse.cz>
7129 * common/common-target.def: Split long lines and replace them
7131 * target.def: Likewise.
7132 * doc/tm.texi: Re-generated.
7134 2021-06-07 Jakub Jelinek <jakub@redhat.com>
7137 * fold-const.c (fold_read_from_vector): Return NULL if trying to
7138 read from a CONSTRUCTOR with vector type elements.
7140 2021-06-07 Jakub Jelinek <jakub@redhat.com>
7142 PR middle-end/100898
7143 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
7144 should copy any arguments. Don't call gimple_call_num_args
7145 on id->call_stmt or call_stmt more than once.
7147 2021-06-07 liuhongt <hongtao.liu@intel.com>
7150 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
7152 (<insn>v4siv4di2): Delete constraints for define_expand.
7154 2021-06-07 liuhongt <hongtao.liu@intel.com>
7157 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
7158 assignment of cfun->machine->has_explicit_vzeroupper.
7159 * config/i386/i386-features.c
7160 (ix86_add_reg_usage_to_vzerouppers): Delete.
7161 (ix86_add_reg_usage_to_vzeroupper): Ditto.
7162 (rest_of_handle_insert_vzeroupper): Remove
7163 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
7165 (gate): Remove cfun->machine->has_explicit_vzeroupper.
7166 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
7168 * config/i386/i386.c (ix86_insn_callee_abi): New function.
7169 (ix86_initialize_callee_abi): Ditto.
7170 (ix86_expand_avx_vzeroupper): Ditto.
7171 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
7173 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
7174 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
7176 * config/i386/i386.h (struct GTY(()) machine_function): Delete
7177 has_explicit_vzeroupper.
7178 * config/i386/i386.md (enum unspec): New member
7180 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
7181 define_constants for insn callee abi index.
7182 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
7183 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
7184 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
7185 (*avx_vzeroupper): Rename to ..
7186 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
7187 call_insn which has a special vzeroupper ABI.
7188 (*avx_vzeroupper_1): Deleted.
7190 2021-06-07 liuhongt <hongtao.liu@intel.com>
7193 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
7194 it won't use stack pointer reg.
7195 * final.c (leaf_function_p): When call_insn is a fake call, it
7196 won't affect caller as a leaf function.
7197 * reg-stack.c (callee_clobbers_any_stack_reg): New.
7198 (subst_stack_regs): When call_insn doesn't clobber any stack
7199 reg, don't clear the arguments.
7200 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
7202 * shrink-wrap.c (requires_stack_frame_p): No need for stack
7203 frame for a fake call.
7204 * rtl.h (FAKE_CALL_P): New macro.
7206 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
7208 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
7210 (sparc_order_regs_for_local_alloc): ...this.
7211 (sparc_leaf_reg_remap): Declare.
7212 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
7213 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
7214 * config/sparc/sparc.c (leaf_reg_remap): Delete.
7215 (order_regs_for_local_alloc): Rename to...
7216 (sparc_order_regs_for_local_alloc): ...this.
7217 (sparc_leaf_reg_remap): New function.
7218 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
7220 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
7222 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
7223 Use assemble_name to output BSS section name.
7225 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
7227 * config/i386/constraints.md (Bs):
7228 Remove boolean operators from match_test RTX.
7231 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
7234 2021-06-06 Martin Liska <mliska@suse.cz>
7236 * doc/extend.texi: Add missing @headitem.
7237 * doc/invoke.texi: Likewise.
7238 * doc/objc.texi: Likewise.
7240 2021-06-06 Martin Liska <mliska@suse.cz>
7242 * genhooks.c (emit_findices): Remove unused function.
7243 (emit_documentation): Do not call emit_findices
7244 and do not search for @Fcode directives.
7246 2021-06-06 Martin Liska <mliska@suse.cz>
7248 * doc/invoke.texi: Remove extra character.
7250 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
7252 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
7254 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
7256 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
7257 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
7258 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
7259 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
7261 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
7263 * config/or1k/or1k.md (*movdi): Fix empty split condition.
7265 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
7267 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
7270 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
7272 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
7273 *zero_extendsidi2): Fix empty split condition.
7275 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
7277 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
7279 * config/h8300/bitfield.md: Likewise.
7280 * config/h8300/combiner.md: Likewise.
7281 * config/h8300/divmod.md: Likewise.
7282 * config/h8300/extensions.md: Likewise.
7283 * config/h8300/jumpcall.md: Likewise.
7284 * config/h8300/movepush.md: Likewise.
7285 * config/h8300/multiply.md: Likewise.
7286 * config/h8300/other.md: Likewise.
7287 * config/h8300/shiftrotate.md: Likewise.
7288 * config/h8300/logical.md: Likewise. Fix split pattern to use
7289 code iterator that somehow slipped through.
7291 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
7293 PR middle-end/100905
7294 * tree-nested.c (convert_nonlocal_omp_clauses,
7295 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
7297 2021-06-04 Martin Sebor <msebor@redhat.com>
7299 PR middle-end/100732
7300 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
7301 with either source or destination argument of invalid type.
7302 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
7303 calls with arguments of invalid type.
7305 2021-06-04 Martin Sebor <msebor@redhat.com>
7307 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
7309 (attr_access::vla_bounds): Also handle VLA bounds.
7311 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
7313 * config/i386/predicates.md (GOT_memory_operand):
7314 Implement using match_code RTXes.
7315 (GOT32_symbol_operand): Ditto.
7317 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
7320 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
7322 (ix86_expand_vector_init_general): Ditto.
7323 Use SImode instead of word_mode for logic operations
7324 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
7325 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
7326 implemented by expand_vec_perm_1.
7327 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
7328 should be implemented using standard shuffle patterns.
7329 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
7330 V2HI modes to modes, implementable with shuffle for one operand.
7331 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
7332 (*pshufw_1): New insn pattern.
7333 (*vec_dupv2hi): Ditto.
7334 (vec_initv2hihi): New expander.
7336 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
7338 * config/arm/vfp.md (no_literal_pool_df_immediate,
7339 no_literal_pool_sf_immediate): Fix empty split condition.
7341 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
7343 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
7344 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
7345 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
7346 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
7347 *<sse4_1_avx2>_pblendvb_lt): Likewise.
7349 2021-06-04 Jakub Jelinek <jakub@redhat.com>
7352 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
7353 concatenation from half-sized modes with TImode elements.
7355 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
7357 * config/arc/arc.c (arc_override_options): Disable millicode
7358 thunks when RF16 is on.
7360 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
7362 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
7364 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
7366 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
7367 Replace PROMOTE_MODE marco with its content.
7369 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
7371 * config/cris/cris.md (*addi_reload): Fix empty split condition.
7373 2021-06-03 Jim Wilson <jimw@sifive.com>
7375 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
7376 turn it on for all riscv targets.
7378 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
7381 * config/i386/i386-expand.c (ix86_expand_vector_set):
7382 Handle V2HI and V4QI modes.
7383 (ix86_expand_vector_extract): Ditto.
7384 * config/i386/mmx.md (*pinsrw): New insn pattern.
7387 (*pextrw_zext): Ditto.
7389 (*pextrb_zext): Ditto.
7390 (vec_setv2hi): New expander.
7391 (vec_extractv2hihi): Ditto.
7392 (vec_setv4qi): Ditto.
7393 (vec_extractv4qiqi): Ditto.
7394 (vec_setv8qi): Enable only for TARGET_SSE4_1.
7395 (vec_extractv8qiqi): Ditto.
7397 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
7399 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
7400 order to subf instruction.
7401 * config/rs6000/fusion.md: Regenerate.
7403 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
7405 * calls.c (get_size_range): Use range_of_expr instead of
7406 determine_value_range.
7407 * tree-affine.c (expr_to_aff_combination): Same.
7408 * tree-data-ref.c (split_constant_offset): Same.
7409 * tree-vrp.c (determine_value_range_1): Remove.
7410 (determine_value_range): Remove.
7411 * tree-vrp.h (determine_value_range): Remove.
7413 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
7415 * function-tests.c (test_ranges): Call gimple_range_tests.
7416 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
7418 * gimple-range.cc (fur_source::get_operand): Do not call
7419 get_tree_range or gimple_range_global.
7421 (get_tree_range): Move to value-query.cc.
7422 Call get_arith_expr_range.
7423 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
7424 Include gimple-range-tests.cc.
7425 * gimple-range.h (fold_range): Add argument.
7426 (get_tree_range): Remove.
7427 * selftest.h (gimple_range_tests): New.
7428 * value-query.cc (global_range_query::range_of_expr): Add
7430 (range_query::get_tree_range): Move from gimple-range.cc.
7431 * value-query.h (class range_query): Add get_tree_range and
7432 get_arith_expr_range. Make fur_source a friend.
7433 * vr-values.c (vr_values::range_of_expr): Pass stmt to
7435 * gimple-range-tests.cc: New file.
7437 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
7439 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
7440 update_global_range.
7441 * value-query.cc (update_global_range): New.
7442 * value-query.h (update_global_range): New.
7444 2021-06-03 David Malcolm <dmalcolm@redhat.com>
7446 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
7447 printing the same location twice if there are fix-it hints,
7448 multiple locations, or a label.
7450 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
7452 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
7453 thresholds to narrow the upper bound on epilogue iterations.
7455 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
7457 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
7458 (mve_vabsq_s<mode>): Likewise.
7459 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
7460 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
7461 * config/arm/vec-common.md (neg<mode>2): Rename to
7462 <absneg_str><mode>2.
7464 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
7466 * common/config/arc/arc-common.c (arc_option_optimization_table):
7468 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
7469 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
7470 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
7471 * config/arc/arc.md (abssi2_mixed): Remove pattern.
7472 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
7473 (malign-call): Likewise.
7474 (mmixed-code): Likewise.
7475 * doc/invoke.texi (ARC): Update doc.
7477 2021-06-03 Martin Liska <mliska@suse.cz>
7479 * common.opt: Use proper Enum values.
7480 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
7481 (parse_sanitizer_options): Handle only sanitizer_opts.
7482 (common_handle_option): Just assign value.
7484 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
7487 * tree-inline.c (inline_forbidden_p): Remove test on return type.
7489 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
7491 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
7492 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
7493 (type_byte_size): Inline into...
7494 (add_byte_size_attribute): ...this and call add_scalar_info.
7496 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
7498 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
7499 (typed_binop_from_tree): New function.
7500 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
7501 turn a divide by a power of 2 into a shift.
7502 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
7503 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
7504 typed divide by calling typed_binop_from_tree.
7506 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
7508 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
7509 (is_handled_procedure_type): Likewise.
7510 (struct loc_descr_context): Add strict_signedness field.
7511 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
7512 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
7513 (resolve_args_picking): Minor tweak.
7514 (function_to_dwarf_procedure): Initialize strict_signedness field.
7515 (type_byte_size): Likewise.
7516 (field_byte_offset): Likewise.
7517 (gen_descr_array_type_die): Likewise.
7518 (gen_variant_part): Likewise.
7519 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
7520 to true when a context is present before evaluating the arguments.
7521 <COND_EXPR>: Do not generate a useless comparison with zero.
7522 When dereferencing an address, if strict_signedness is true and the
7523 type is small and signed, use DW_OP_deref_type to do the dereference
7524 and then DW_OP_convert to convert back to the generic type.
7526 2021-06-03 Jakub Jelinek <jakub@redhat.com>
7529 * tree-inline.c (copy_tree_body_r): Handle iterators on
7530 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
7532 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
7534 * config/arc/arc.md (*bbit_di): Remove.
7536 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
7538 PR rtl-optimization/100264
7539 * ree.c (get_sub_rtx): Ignore SET expressions without register
7540 destinations and remove assertion, as it is not valid anymore
7541 with this new behaviour.
7542 (merge_def_and_ext): Eliminate destination check for register
7543 as such SET expressions can't occur anymore.
7544 (combine_reaching_defs): Likewise.
7546 2021-06-02 Jakub Jelinek <jakub@redhat.com>
7549 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
7550 -Wtype-limits warnings.
7551 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
7552 in operands to avoid -Wsign-compare warnings.
7554 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
7556 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
7559 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
7561 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
7563 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
7565 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
7567 * config/s390/subst.md(cconly_subst): Use a single constraint
7570 2021-06-02 Martin Liska <mliska@suse.cz>
7572 * ipa-icf.h: Use auto_vec for memory_access_types.
7574 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
7576 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
7577 argument from prototype.
7578 (output_logical_op): Add rtx_code argument.
7579 (compute_logical_op_length): Likewise.
7580 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
7581 to compute_a_shift_length.
7582 (output_logical_op); New argument with the rtx code rather than
7583 extracting it from an operand. Handle QImode too.
7584 (compute_logical_op_length): Similary.
7585 (compute_a_shift_length): Drop unused argument.
7586 * config/h8300/h8300.md (logicals): New code iterator.
7587 * config/h8300/logical.md (<code><mode>3 expander): Combine
7588 the "and" expander with the "ior"/"xor" expander.
7589 (bclr<mode>msx): Combine the QI/HI mode patterns.
7590 (<logical><mode>3 insns): Use code iterator rather than match_operator.
7591 Handle QImode as well. Update call to output_logical_op and
7592 compute_logical_op_length to pass in rtx_code
7593 Fix split condition on all define_insn_and_split patterns.
7594 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
7595 the flags and setting ZN via existing define_subst.
7596 * config/h8300/shiftrotate.md: Drop unused argument from
7597 calls to compute_a_shift_length.
7598 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
7600 2021-06-01 Andrew Pinski <apinski@marvell.com>
7602 PR tree-optimization/25290
7603 * tree-ssa-phiopt.c (match_simplify_replacement):
7605 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
7606 (two_value_replacement): Change the comment about
7607 conditional_replacement.
7608 (conditional_replacement): Delete.
7610 2021-06-01 Andrew Pinski <apinski@marvell.com>
7612 PR tree-optimization/95481
7613 * tree-tailcall.c (find_tail_calls): Handle empty typed
7616 2021-06-01 Andrew Pinski <apinski@marvell.com>
7618 * gimplify.c (zero_sized_field_decl): Delete
7619 (zero_sized_type): Delete
7620 (gimplify_init_ctor_eval): Use is_empty_type instead
7621 of zero_sized_field_decl.
7622 (gimplify_modify_expr): Use is_empty_type instead of
7625 2021-06-01 Jason Merrill <jason@redhat.com>
7628 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
7630 2021-06-01 Jason Merrill <jason@redhat.com>
7633 * diagnostic.h (warning_enabled_at): Declare.
7634 * diagnostic.c (diagnostic_enabled): Factor out from...
7635 (diagnostic_report_diagnostic): ...here.
7636 (warning_enabled_at): New.
7638 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
7640 * gimple-ssa-evrp.c: Enable exporting of global ranges.
7642 2021-06-01 Martin Liska <mliska@suse.cz>
7645 * doc/invoke.texi: Mention that -fgcse-after-reload
7646 is enabled with -O3.
7648 2021-06-01 liuhongt <hongtao.liu@intel.com>
7650 PR tree-optimization/98365
7651 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
7652 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
7653 (convert_scalar_cond_reduction): Ditto.
7654 (predicate_scalar_phi): Ditto.
7656 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
7658 PR tree-optimization/100781
7659 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
7660 value calculation by default.
7661 (ranger_cache::enable_new_values): New.
7662 (ranger_cache::disable_new_values): New.
7663 (ranger_cache::push_poor_value): Check if new values are allowed.
7664 * gimple-range-cache.h (class ranger_cache): New member/methods.
7665 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
7666 statement, and disable/renable new value calculation.
7668 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
7670 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
7671 (ranger_cache::range_of_def): New.
7672 (ranger_cache::entry_range): New.
7673 (ranger_cache::exit_range): New.
7674 (ranger_cache::range_of_expr): Adjust.
7675 (ranger_cache::range_on_edge): Adjust.
7676 (ranger_cache::propagate_cache): Call exit_range directly.
7677 * gimple-range-cache.h (class ranger_cache): Adjust.
7679 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
7681 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
7682 gori_compute being a member rather than base class.
7683 dervied call to member call.
7684 (ranger_cache::dump): No longer dump gori_map.
7685 (ranger_cache::dump_bb): New.
7686 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
7687 being a member rather than base class.
7688 (ranger_cache::set_global_range): Ditto.
7689 (ranger_cache::ssa_range_in_bb): Ditto.
7690 (ranger_cache::range_of_expr): New.
7691 (ranger_cache::range_on_edge): New.
7692 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
7693 (ranger_cache::propagate_cache): Adjust debugging output.
7694 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
7696 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
7697 member, and inherit from range_query instead.
7698 (ranger_cache::dump_bb): New. split from dump.
7699 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
7700 (gori_compute::expr_range_at_stmt): Delete.
7701 (gori_compute::compute_name_range_op): Delete.
7702 (gori_compute::compute_operand_range_switch): Add fur_source.
7703 (gori_compute::compute_operand_range): Add fur_source param, inline
7704 old compute_name_range_op and optimize_logical_operands.
7705 (struct tf_range): Delete.
7706 (gori_compute::logical_combine): Adjust
7707 (gori_compute::optimize_logical_operands): Delete.
7708 (gori_compute::compute_logical_operands_in_chain): Delete.
7709 (gori_compute::compute_logical_operands): Adjust.
7710 (gori_compute::compute_operand1_range): Adjust to fur_source.
7711 (gori_compute::compute_operand2_range): Ditto.
7712 (gori_compute::compute_operand1_and_operand2_range): Ditto.
7713 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
7714 and adjust to fur_source.
7715 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
7716 range_query and fur_source.
7717 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
7718 from the ranger_cache..
7719 (gimple_ranger::fold_range_internal): Adjust to base class change of
7721 (gimple_ranger::dump_bb): Adjust dump.
7722 * gimple-range.h (gimple_ranger):export gori computes object.
7724 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
7726 PR tree-optimization/100774
7727 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
7728 Constant values are also not stale.
7729 (ranger_cache::set_global_range): Range invariant values should also
7730 have the correct timestamp.
7732 2021-05-31 Martin Liska <mliska@suse.cz>
7734 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
7735 Unpack FUNCTION_DECL_DECL_TYPE.
7736 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
7737 Stream FUNCTION_DECL_DECL_TYPE instead of
7738 DECL_IS_OPERATOR_NEW_P.
7739 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
7741 (DECL_IS_OPERATOR_NEW_P): Likewise.
7742 (DECL_IS_OPERATOR_DELETE_P): Likewise.
7743 (DECL_LAMBDA_FUNCTION_P): Likewise.
7745 2021-05-31 Richard Biener <rguenther@suse.de>
7748 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
7749 * internal-fn.def (SHUFFLEVECTOR): New.
7750 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
7751 * doc/extend.texi: Document __builtin_shufflevector.
7753 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
7756 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
7757 indexed form addresses.
7759 2021-05-29 Jeff Law <jlaw@tachyum.com>
7761 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
7762 parameter. Call callers fixed.
7764 (output_plussi): Add FALLTHRU markers.
7765 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
7767 2021-05-29 Jakub Jelinek <jakub@redhat.com>
7770 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
7771 combined with parallel, make sure to add shared clause to
7772 parallel for explicit linear clause.
7774 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
7776 PR tree-optimization/100787
7777 * gimple-ssa-evrp.c: Disable exporting of global ranges.
7779 2021-05-28 Jason Merrill <jason@redhat.com>
7781 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
7782 operator--, operator*, operator==, and operator!=.
7783 (class tsi_range): New.
7785 2021-05-28 Richard Biener <rguenther@suse.de>
7787 PR tree-optimization/100778
7788 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
7789 trapping ops in different BBs.
7791 2021-05-28 Richard Biener <rguenther@suse.de>
7794 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
7795 copy fntype from original call.
7797 2021-05-28 Martin Liska <mliska@suse.cz>
7799 PR gcov-profile/100751
7800 * doc/gcov.texi: Revert partially a hunk that was wrong.
7802 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
7804 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
7806 (HAVE_sync_compare_and_swaphi): Likewise.
7807 (HAVE_sync_compare_and_swapsi): Likewise.
7809 2021-05-28 Jakub Jelinek <jakub@redhat.com>
7812 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
7814 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
7816 * gimplify.c (gimplify_omp_affinity): New.
7817 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
7818 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
7819 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
7820 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
7821 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
7823 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
7824 Richard Biener <rguenther@suse.de>
7826 * match.pd <popcount & / + pattern matching>:
7827 When generating popcount directly fails, try doing it in two halves.
7829 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
7831 * Makefile.in (generated_files): Add gimple-match.c and
7834 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
7836 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
7838 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
7840 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
7842 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
7844 PR tree-optimization/99398
7845 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
7846 where the fed operands are CTOR/CST and propagated through
7847 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
7848 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
7850 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
7853 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
7855 * config/i386/mmx.md (addv2sf3): Do not call
7856 ix86_fixup_binary_operands_no_copy.
7859 (<smaxmin:code>v2sf3): Ditto.
7860 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
7861 (<plusminus:insn><VI_32:mode>3): Remove expander.
7862 (<plusminus:insn><VI_32:mode>3): Rename from
7863 "*<plusminus:insn><VI_32:mode>3".
7864 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
7865 (mulv2hi3): Remove expander.
7866 (mulv2hi3): Rename from *mulv2hi3.
7867 (<s>mulv2hi3_highpart): Remove expander.
7868 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
7869 (<smaxmin:code><MMXMODE14:mode>3): Rename from
7870 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
7871 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
7872 (SMAXMIN_MMXMODEI): Remove mode iterator.
7873 (<smaxmin:code>v4hi3): New expander.
7874 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
7875 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
7876 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
7877 (SMAXMIN_VI_32): Remove mode iterator.
7878 (<umaxmin:code><MMXMODE24:mode>3): Rename from
7879 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
7880 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
7881 (UMAXMIN_MMXMODEI): Remove mode iterator.
7882 (<umaxmin:code>v8qi3): New expander.
7883 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
7884 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
7885 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
7886 (UMAXMIN_VI_32): Remove mode iterator.
7887 (<any_shift:insn>v2hi3): Remove expander.
7888 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
7889 (<any_logic:code><MMXMODEI:mode>3): Do not call
7890 ix86_fixup_binary_operands_no_copy.
7891 (<any_logic:code><VI_32:mode>3): Remove expander.
7892 (<any_logic:code><VI_32:mode>3): Rename from
7893 "*<any_logic:code><VI_32:mode>3".
7894 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
7895 * config/i386/sse.md (div<VF2:mode>3): Do not call
7896 ix86_fixup_binary_operands_no_copy.
7897 (div<VF1:mode>3): Ditto.
7898 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
7899 (smulhrsv4hi3): Ditto.
7900 (smulhrsv2hi3): Ditto.
7902 2021-05-27 Martin Sebor <msebor@redhat.com>
7904 * ggc.h (gt_ggc_mx): Add overloads for all integers.
7906 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
7908 (hash_map::operator==): New function.
7910 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
7913 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
7914 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
7915 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
7916 (*xop_maskcmp<VI_32:mode>3): Ditto.
7917 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
7918 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
7920 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
7923 * config/arm/arm.c (arm_configure_build_target): Remove parameter
7924 opts_set, directly check opts parameters for being non-null.
7925 (arm_option_restore): Update call to arm_configure_build_target.
7926 (arm_option_override): Likewise.
7927 (arm_can_inline_p): Likewise.
7928 (arm_valid_target_attribute_tree): Likewise.
7929 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
7930 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
7933 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
7935 * vr-values.c (simplify_conversion_using_ranges): Use
7936 get_range_query instead of get_global_range_query.
7938 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
7940 * gimple-range.cc (get_range_global): Move to value-query.cc.
7941 (gimple_range_global): Same.
7942 (get_global_range_query): Same.
7943 (global_range_query::range_of_expr): Same.
7944 * gimple-range.h (class global_range_query): Move to
7946 (gimple_range_global): Same.
7947 * tree-ssanames.c (get_range_info): Move to value-query.cc.
7948 (get_ptr_nonnull): Same.
7949 * tree-ssanames.h (get_range_info): Remove.
7950 (get_ptr_nonnull): Remove.
7951 * value-query.cc (get_ssa_name_range_info): Move from
7953 (get_ssa_name_ptr_info_nonnull): Same.
7954 (get_range_global): Move from gimple-range.cc.
7955 (gimple_range_global): Same.
7956 (get_global_range_query): Same.
7957 (global_range_query::range_of_expr): Same.
7958 * value-query.h (class global_range_query): Move from
7960 (gimple_range_global): Same.
7962 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
7965 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
7966 (uavgv2hi3_ceil): Ditto.
7968 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
7971 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
7973 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
7975 * tree-ssanames.c (get_range_info): Merge both copies of
7976 get_range_info into one that works with irange.
7977 * tree-ssanames.h (get_range_info): Remove version that works on
7980 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
7982 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
7983 (expand_builtin_strnlen): Same.
7984 (determine_block_size): Same.
7985 * fold-const.c (expr_not_equal_to): Same.
7986 * gimple-fold.c (size_must_be_zero_p): Same.
7987 * gimple-match-head.c: Include gimple-range.h.
7988 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
7989 * gimple-ssa-warn-restrict.c
7990 (builtin_memref::extend_offset_range): Same.
7991 * graphite-sese-to-poly.c (add_param_constraints): Same.
7992 * internal-fn.c (get_min_precision): Same.
7993 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
7994 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
7996 * tree-data-ref.c (split_constant_offset): Same.
7997 (dr_step_indicator): Same.
7998 * tree-dfa.c (get_ref_base_and_extent): Same.
7999 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
8000 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
8001 (determine_value_range): Same.
8002 (record_nonwrapping_iv): Same.
8003 (infer_loop_bounds_from_signedness): Same.
8004 (scev_var_range_cant_overflow): Same.
8005 * tree-ssa-phiopt.c (two_value_replacement): Same.
8006 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
8007 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
8008 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
8010 (dump_strlen_info): Same.
8011 (set_strlen_range): Same.
8012 (maybe_diag_stxncpy_trunc): Same.
8013 (get_len_or_size): Same.
8014 (handle_integral_assign): Same.
8015 * tree-ssa-structalias.c (find_what_p_points_to): Same.
8016 * tree-ssa-uninit.c (find_var_cmp_const): Same.
8017 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
8018 * tree-vect-patterns.c (vect_get_range_info): Same.
8019 (vect_recog_divmod_pattern): Same.
8020 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
8021 (register_edge_assert_for_2): Same.
8022 (determine_value_range_1): Same.
8023 * tree.c (get_range_pos_neg): Same.
8024 * vr-values.c (vr_values::get_lattice_entry): Same.
8025 (vr_values::update_value_range): Same.
8026 (simplify_conversion_using_ranges): Same.
8028 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
8030 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
8031 get_range_query instead of query argument.
8032 (pass_walloca::execute): Enable and disable global ranger.
8034 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
8036 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
8038 (rvrp_folder::~rvrp_folder): Call disable_ranger.
8039 (hybrid_folder::hybrid_folder): Call enable_ranger.
8040 (hybrid_folder::~hybrid_folder): Call disable_ranger.
8042 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
8044 * function.c (allocate_struct_function): Set cfun->x_range_query.
8045 * function.h (struct function): Declare x_range_query.
8046 (get_range_query): New.
8047 (get_global_range_query): New.
8048 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
8049 Remove call to safe_grow_cleared.
8050 * gimple-range.cc (get_range_global): New.
8051 (gimple_range_global): Move from gimple-range.h.
8052 (get_global_range_query): New.
8053 (global_range_query::range_of_expr): New.
8054 (enable_ranger): New.
8055 (disable_ranger): New.
8056 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
8057 (class global_range_query): New.
8058 (enable_ranger): New.
8059 (disable_ranger): New.
8060 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
8061 dump_all_value_ranges to dump.
8062 * tree-vrp.c (vrp_prop::finalize): Same.
8063 * value-query.cc (range_query::dump): New.
8064 * value-query.h (range_query::dump): New.
8065 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
8066 (vr_values::dump): ...this.
8067 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
8068 dump and make virtual.
8070 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
8072 * config/i386/i386.c (ix86_autovectorize_vector_modes):
8073 Add V4QImode and V16QImode for TARGET_SSE2.
8074 * doc/sourcebuild.texi (Vector-specific attributes):
8075 Add vect64 and vect32 description.
8077 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
8079 * gimple-range-gori.cc (range_def_chain::register_dependency):
8080 Resize m_def_chain when needed.
8082 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
8084 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
8085 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
8086 * config/arm/vec-common.md: .. here. Add support for MVE.
8088 2021-05-26 Jakub Jelinek <jakub@redhat.com>
8090 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
8092 * config/microblaze/microblaze.c (microblaze_legitimize_address,
8094 microblaze_option_override, print_operand): Likewise.
8095 * config/microblaze/microblaze.md (call_internal_plt,
8096 call_value_intern_plt, call_value_intern): Likewise.
8097 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
8098 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
8099 call_value_multiple_internal1): Likewise.
8100 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
8102 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8104 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
8105 arc_ccfsm_advance, symbolic_reference_mentioned_p,
8106 arc_raw_symbolic_reference_mentioned_p): Remove register
8109 2021-05-26 Jakub Jelinek <jakub@redhat.com>
8112 * omp-low.c: Include omp-offload.h.
8113 (create_omp_child_function): If current_function_decl has
8114 "omp declare target" attribute and is_gimple_omp_offloaded,
8115 remove that attribute from the copy of attribute list and
8116 add "omp target entrypoint" attribute instead.
8117 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
8118 variables for offloading if in omp_maybe_offloaded_ctx.
8119 * omp-offload.c (pass_omp_target_link::execute): Nullify second
8120 argument to GOMP_target_data_ext in offloaded code.
8122 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8124 * config/csky/csky.c (csky_can_change_mode_class): Delete.
8125 For csky, HF/SF mode use the low bits of VREGS.
8127 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
8129 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
8130 DECL which is a reference for OMP.
8132 2021-05-26 Martin Liska <mliska@suse.cz>
8134 PR gcov-profile/100751
8135 * doc/gcov.texi: Document that __gcov_dump can be called just
8136 once and that __gcov_reset resets run-time counters.
8138 2021-05-26 Martin Liska <mliska@suse.cz>
8140 * doc/install.texi: Port relevant part from install-old.texi
8141 and re-generate list of CPUs and systems.
8143 2021-05-26 Martin Liska <mliska@suse.cz>
8145 * Makefile.in: Remove it.
8146 * doc/include/fdl.texi: Update next/previous chapters.
8147 * doc/install.texi: Likewise.
8148 * doc/install-old.texi: Removed.
8150 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8152 * config/csky/csky.c (ck810_legitimate_index_p): Support
8153 "base + index" with DF mode.
8154 * config/csky/constraints.md ("Y"): New constraint for memory operands
8155 without index register.
8156 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
8157 when mov between memory and general registers, and lower their priority.
8158 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
8160 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8162 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
8164 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8166 * config/csky/csky.md (untyped_call): Emit clobber for return
8167 registers to mark them used.
8169 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8171 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
8173 2021-05-26 Andrew Pinski <apinski@marvell.com>
8175 * match.pd (x < 0 ? ~y : y): New patterns.
8177 2021-05-26 Andrew Pinski <apinski@marvell.com>
8179 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
8180 A?POW2:0 and A?0:POW2.
8182 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8184 * gimple-range-gori.cc (class logical_stmt_cache): Delete
8185 (logical_stmt_cache::logical_stmt_cache ): Delete.
8186 (logical_stmt_cache::~logical_stmt_cache): Delete.
8187 (logical_stmt_cache::cache_entry::dump): Delete.
8188 (logical_stmt_cache::get_range): Delete.
8189 (logical_stmt_cache::cached_name ): Delete.
8190 (logical_stmt_cache::same_cached_name): Delete.
8191 (logical_stmt_cache::cacheable_p): Delete.
8192 (logical_stmt_cache::slot_diagnostics ): Delete.
8193 (logical_stmt_cache::dump): Delete.
8194 (gori_compute_cache::gori_compute_cache): Delete.
8195 (gori_compute_cache::~gori_compute_cache): Delete.
8196 (gori_compute_cache::compute_operand_range): Delete.
8197 (gori_compute_cache::cache_stmt): Delete.
8198 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
8200 (class gori_compute_cache): Delete.
8202 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8204 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
8206 (fold_using_range::range_of_address): Adjust.
8207 (fold_using_range::range_of_phi): Adjust.
8208 * gimple-range.h (class fur_source): Adjust.
8209 (fur_source::fur_source): Adjust.
8211 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8213 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
8214 from expr_range_in_bb and adjust.
8215 (gori_compute::compute_name_range_op): Adjust.
8216 (gori_compute::optimize_logical_operands): Adjust.
8217 (gori_compute::compute_logical_operands_in_chain): Adjust.
8218 (gori_compute::compute_operand1_range): Adjust.
8219 (gori_compute::compute_operand2_range): Adjust.
8220 (ori_compute_cache::cache_stmt): Adjust.
8221 * gimple-range-gori.h (gori_compute): Rename prototype.
8223 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8225 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
8226 checked only after range_of_stmt, not range_on_entry.
8227 (gimple_ranger::range_on_entry): Check for non-null in any
8228 predecessor block, if it is not already non-null.
8229 (gimple_ranger::range_on_exit): DOnt check for non-null after
8230 range on entry call.
8231 (gimple_ranger::dump_bb): New. Split from dump.
8232 (gimple_ranger::dump): Adjust.
8233 * gimple-range.h (class gimple_ranger): Adjust.
8235 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8237 * gimple-range-cache.cc (struct range_timestamp): Delete.
8238 (class temporal_cache): Adjust.
8239 (temporal_cache::get_timestamp): Delete.
8240 (temporal_cache::set_dependency): Delete.
8241 (temporal_cache::temporal_value): Adjust.
8242 (temporal_cache::current_p): Take dependencies as params.
8243 (temporal_cache::set_timestamp): Adjust.
8244 (temporal_cache::set_always_current): Adjust.
8245 (ranger_cache::get_non_stale_global_range): Adjust.
8246 (ranger_cache::register_dependency): Delete.
8247 * gimple-range-cache.h (class range_cache): Adjust.
8249 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8251 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
8253 (range_def_chain::~range_def_chain): Dispose of obstack rather than
8254 each individual bitmap.
8255 (range_def_chain::set_import): New.
8256 (range_def_chain::get_imports): New.
8257 (range_def_chain::chain_import_p): New.
8258 (range_def_chain::register_dependency): Rename from build_def_chain
8260 (range_def_chain::def_chain_in_bitmap_p): New.
8261 (range_def_chain::add_def_chain_to_bitmap): New.
8262 (range_def_chain::has_def_chain): Just check first depenedence.
8263 (range_def_chain::get_def_chain): Process imports, use generic
8264 register_dependency routine.
8265 (range_def_chain::dump): New.
8266 (gori_map::gori_map): Allocate import list.
8267 (gori_map::~gori_map): Release imports.
8268 (gori_map::exports): Check for past allocated block size.
8269 (gori_map::imports): New.
8270 (gori_map::def_chain_in_export_p): Delete.
8271 (gori_map::is_import_p): New.
8272 (gori_map::maybe_add_gori): Handle imports.
8273 (gori_map::dump): Adjust output, add imports.
8274 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
8275 (gori_export_iterator::gori_export_iterator): New.
8276 (gori_export_iterator::next): New.
8277 (gori_export_iterator::get_name): New.
8278 * gimple-range-gori.h (range_def_chain): Add imports and direct
8279 dependecies via struct rdc.
8280 (range_def_chain::depend1): New.
8281 (range_def_chain::depend2): New.
8282 (class gori_map): Adjust.
8283 (FOR_EACH_GORI_IMPORT_NAME): New.
8284 (FOR_EACH_GORI_EXPORT_NAME): New.
8285 (class gori_export_iterator): New.
8287 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8289 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
8290 export cache filling to here.
8291 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
8293 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8295 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
8296 (gori_map): Move to gimple-range-gori.h.
8297 (gori_compute::gori_compute): Adjust.
8298 (gori_compute::~gori_compute): Delete.
8299 (gori_compute::compute_operand_range_switch): Adjust.
8300 (gori_compute::compute_operand_range): Adjust.
8301 (gori_compute::compute_logical_operands): Adjust.
8302 (gori_compute::has_edge_range_p ): Adjust.
8303 (gori_compute::set_range_invariant): Delete.
8304 (gori_compute::dump): Adjust.
8305 (gori_compute::outgoing_edge_range_p): Adjust.
8306 * gimple-range-gori.h (class range_def_chain): Relocate here.
8307 (class gori_map): Relocate here.
8308 (class gori_compute): Inherit from gori_map, and adjust.
8310 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
8312 * value-range.cc (range_tests_legacy): Use
8313 build_nonstandard_integer_type instead of int and short.
8315 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
8317 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
8318 when really creating an initialization statement for it.
8320 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
8322 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
8324 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
8326 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
8328 2021-05-25 Martin Liska <mliska@suse.cz>
8330 PR tree-optimization/92860
8332 * optc-save-gen.awk: Remove exceptions.
8334 2021-05-25 Martin Liska <mliska@suse.cz>
8336 * asan.h (sanitize_coverage_p): New function.
8337 * doc/extend.texi: Document it.
8338 * fold-const.c (fold_range_test): Use sanitize_flags_p
8339 instead of flag_sanitize_coverage.
8340 (fold_truth_andor): Likewise.
8341 * sancov.c: Likewise.
8342 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
8343 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
8344 -fsanitize-coverage when inlining.
8346 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
8348 * config/csky/csky-modes.def : Fix copyright.
8350 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
8352 * config/csky/csky-modes.def : Amend copyright.
8353 * config/csky/csky_insn_fpuv2.md : Likewise.
8354 * config/csky/csky_insn_fpuv3.md : Likewise.
8356 2021-05-25 Richard Biener <rguenther@suse.de>
8358 PR middle-end/100727
8359 * calls.c (initialize_argument_information): Explicitely test
8361 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
8363 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
8365 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
8366 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
8367 the signle definition. The signle definition may not work well
8368 at simplify_subreg_regno().
8369 (HARD_FRAME_POINTER_REGNUM): New.
8370 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
8371 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
8372 csky_initial_elimination_offset, csky_expand_prologue,
8373 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
8375 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
8377 * config/csky/csky.c (csky_option_override):
8378 Init csky_arch_isa_features[] in advance, so TARGET_DSP
8379 and TARGET_DIV can be set well.
8381 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
8383 * config/csky/constraints.md ("l", "h"): Delete.
8384 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
8385 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
8386 * config/csky/csky.c (regno_reg_classm,
8387 csky_secondary_reload, csky_register_move_cost):
8388 Use HILO_REGS instead of LO_REGS and HI_REGS.
8390 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
8392 * config/csky/constraints.md ("W"): New constriant for mem operand
8393 with base reg, index register.
8394 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
8395 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
8397 ("Dv"): New constraint for const double value that can be used at
8399 * config/csky/csky-modes.def (HFmode): New mode.
8400 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
8401 to "csky_valid_mem_constraint_operand" and support new constraint
8403 (csky_get_movedouble_length): New.
8404 (fpuv3_output_move): New.
8405 (fpuv3_const_double): New.
8406 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
8407 (decompose_csky_address): Refine.
8408 (csky_print_operand): New "CONST_DOUBLE" operand.
8409 (csky_output_move): Support fpv3 instructions.
8410 (csky_get_movedouble_length): New.
8411 (fpuv3_output_move): New.
8412 (fpuv3_const_double): New.
8413 (csky_emit_compare): Cover float comparsion.
8414 (csky_emit_compare_float): Refine.
8415 (csky_vaild_fpuv2_mem_operand): Rename to
8416 "csky_valid_mem_constraint_operand" and support new constraint "W".
8417 (ck860_rtx_costs): New.
8418 (csky_rtx_costs): Add the cost calculation of CK860.
8419 (regno_reg_class): New vregs for fpuv3.
8420 (csky_dbx_regno): Likewise.
8421 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
8422 (csky_conditional_register_usage): Suporrot fpuv3.
8423 (csky_dwarf_register_span): Suporrot fpuv3.
8424 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
8425 (ck810_legitimate_index_p): Support fp16.
8426 * config/csky/csky.h (TARGET_TLS): ADD CK860.
8427 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
8428 (TARGET_SINGLE_FPU): Support fpuv3.
8429 (TARGET_SUPPORT_FPV3): New.
8430 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
8431 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
8432 REG_CLASS_CONTENTS): Support fpuv3.
8433 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
8434 (csky_movsf_fpv2): Likewise.
8435 (ck801_movsf): Likewise.
8436 (csky_movsf): Likewise.
8438 (csky_movdf_fpv2): Likewise.
8439 (ck801_movdf): Likewise.
8440 (csky_movdf): Likewise.
8441 (movsicc): Refine. Use "comparison_operatior" instead of
8442 "ordered_comparison_operatior".
8443 (addsicc): Likewise.
8444 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
8445 (call_value_internal_vh): New.
8446 * config/csky/csky_cores.def (CK860): New arch and cpu.
8451 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
8452 into emit-patterns and match-patterns, remain the emit-patterns here,
8453 and move the match-patterns to csky_insn_fpuv2.md or
8455 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
8456 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
8458 * config/csky/csky_isa.def (fcr): New.
8463 (CK860): New definition for ck860.
8464 * config/csky/csky_tables.opt (ck860): New processors ck860,
8465 ck860f. And new arch ck860.
8470 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
8471 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
8472 * config/csky/t-csky-elf: Support 860.
8473 * config/csky/t-csky-linux: Likewise.
8474 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
8476 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
8478 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
8479 add generation of logical-add and add-logical fusion pairs.
8480 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
8482 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
8483 logical-add and add-logical fusion by default.
8484 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
8485 -mpower10-fusion-add-logical options.
8486 * config/rs6000/fusion.md: Regenerate file.
8488 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
8490 * value-range.cc (irange::legacy_equal_p): Check type when
8491 comparing VR_VARYING types.
8492 (range_tests_legacy): Test comparing VARYING ranges of different
8495 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
8497 * config/aarch64/aarch64.c (neoversen1_tunings):
8498 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
8500 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
8502 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
8503 extern weak symbols. Limit symbol offsets for non-GOT symbols with
8506 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
8508 * config/arm/neon.md (vec_load_lanesxi<mode>)
8509 (vec_store_lanexoi<mode>): Move ...
8510 * config/arm/vec-common.md: here.
8512 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
8514 * config/arm/neon.md (vec_load_lanesoi<mode>)
8515 (vec_store_lanesoi<mode>): Move ...
8516 * config/arm/vec-common.md: here.
8518 2021-05-24 liuhongt <hongtao.liu@intel.com>
8521 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
8522 stmt with GIMPLE_NOP when lhs doesn't exist.
8524 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
8527 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
8528 New instruction pattern.
8529 (*push<VI_32:mode>2): Ditto.
8530 (push splitter for SSE registers): New splitter.
8532 2021-05-23 Andrew Pinski <apinski@marvell.com>
8534 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
8536 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
8538 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
8539 * config/rs6000/fusion.md: Regenerate file.
8541 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
8543 * config/rs6000/genfusion.pl (gen_addadd): New function.
8544 * config/rs6000/fusion.md: Regenerate file.
8545 * config/rs6000/rs6000-cpus.def: Add
8546 OPTION_MASK_P10_FUSION_2ADD to masks.
8547 * config/rs6000/rs6000.c (rs6000_option_override_internal):
8548 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
8549 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
8551 2021-05-21 Jakub Jelinek <jakub@redhat.com>
8554 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
8555 * gimplify.c (enum gimplify_omp_var_data): Fix up
8556 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
8557 (omp_lastprivate_for_combined_outer_constructs): If combined target
8558 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
8559 GOVD_MAP | GOVD_SEEN.
8560 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
8561 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
8562 (gimplify_adjust_omp_clauses): For firstprivate clauses with
8563 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
8564 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
8565 let it be replaced by implicit map clause.
8567 2021-05-21 Jakub Jelinek <jakub@redhat.com>
8570 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
8572 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
8573 (gimplify_omp_for): Likewise.
8575 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8578 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
8579 'external' in blocks.
8581 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8584 * flag-types.h (enum openacc_privatization): New.
8585 * params.opt (-param=openacc-privatization): New.
8586 * doc/invoke.texi (openacc-privatization): Document it.
8587 * omp-general.h (get_openacc_privatization_dump_flags): New
8589 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
8590 * omp-offload.c (execute_oacc_device_lower)
8591 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
8592 * target.def (goacc.adjust_private_decl): Add 'location_t'
8594 * doc/tm.texi: Regenerate.
8595 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
8596 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
8597 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
8598 Likewise. Preserve it for...
8599 (nvptx_goacc_expand_var_decl): ... use here.
8601 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8603 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
8606 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8609 * omp-low.c (oacc_privatization_candidate_p): New function.
8610 (oacc_privatization_scan_clause_chain)
8611 (oacc_privatization_scan_decl_chain): Use it. Also
8612 'gcc_checking_assert' that we're not seeing duplicates.
8614 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8617 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
8620 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8623 * omp-offload.c (execute_oacc_device_lower): Explain.
8625 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8628 * omp-offload.c (execute_oacc_device_lower)
8629 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
8631 * internal-fn.c (expand_UNIQUE): Don't expect
8632 'IFN_UNIQUE_OACC_PRIVATE'.
8634 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8637 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
8639 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
8642 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
8643 (nvptx_goacc_expand_var_decl): Tighten.
8645 2021-05-21 Julian Brown <julian@codesourcery.com>
8646 Chung-Lin Tang <cltang@codesourcery.com>
8647 Thomas Schwinge <thomas@codesourcery.com>
8650 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
8651 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
8652 * doc/tm.texi: Regenerate.
8653 * expr.c (expand_expr_real_1): Expand decls using the
8654 expand_var_decl OpenACC hook if defined.
8655 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
8656 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
8657 * omp-low.c (omp_context): Add oacc_privatization_candidates
8659 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
8661 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
8662 private marker's gimple call arguments, and pass it to
8663 lower_oacc_reductions.
8664 (oacc_privatization_scan_clause_chain)
8665 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
8667 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
8668 * omp-offload.c (convert.h): Include.
8669 (oacc_loop_xform_head_tail): Treat private-variable markers like
8670 fork/join when transforming head/tail sequences.
8671 (struct var_decl_rewrite_info): Add struct.
8672 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
8673 (execute_oacc_device_lower): Support rewriting gang-private
8674 variables using target hook, and fix up addr_expr and var_decl
8676 * target.def (adjust_private_decl, expand_var_decl): New hooks.
8677 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
8679 (gcn_goacc_adjust_private_decl): ...this.
8680 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
8682 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
8683 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
8684 definition using gcn_goacc_adjust_gangprivate_decl...
8685 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
8686 gcn_goacc_adjust_private_decl.
8687 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
8688 (gang_private_shared_size): New global variable.
8689 (gang_private_shared_align): Likewise.
8690 (gang_private_shared_sym): Likewise.
8691 (gang_private_shared_hmap): Likewise.
8692 (nvptx_option_override): Initialize these.
8693 (nvptx_file_end): Output gang_private_shared_sym.
8694 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
8696 (nvptx_set_current_function): Clear gang_private_shared_hmap.
8697 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
8698 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
8700 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
8702 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
8704 2021-05-21 Richard Biener <rguenther@suse.de>
8705 H.J. Lu <hjl.tools@gmail.com>
8708 * expr.c (expand_constructor): Elide expand_constructor if
8709 move by pieces is preferred.
8711 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8713 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
8714 Take a flag and mode value as arguments.
8715 (aarch64_modifies_global_state_p): Likewise.
8716 (aarch64_reads_global_state_p): Likewise.
8717 (aarch64_could_trap_p): Likewise.
8718 (aarch64_get_attributes): Likewise.
8719 (aarch64_init_simd_builtins): Adjust callsite of above.
8720 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
8721 function attributes to apply to builtins.
8722 (aarch64_init_crc32_builtins): Likewise.
8723 (aarch64_init_builtin_rsqrt): Likewise.
8725 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
8727 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
8728 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
8729 (gen_2logical): Use new fusion types.
8730 * config/rs6000/fusion.md: Regenerate.
8732 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
8735 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
8736 Handle V4QI and V2HI modes.
8737 (ix86_expand_sse_movcc): Ditto.
8738 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
8739 New instruction pattern.
8740 (*eq<VI_32:mode>3): Ditto.
8741 (*gt<VI_32:mode>3): Ditto.
8742 (*xop_pcmov_<VI_32:mode>): Ditto.
8743 (mmx_pblendvb32): Ditto.
8744 (mmx_pblendvb64): Rename from mmx_pblendvb.
8745 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
8746 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
8747 (vcond<VI_32:mode><VI_32:mode>): Ditto.
8748 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
8749 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
8751 2021-05-21 Jakub Jelinek <jakub@redhat.com>
8753 PR tree-optimization/94589
8754 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
8755 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
8756 not the same as cmp3) treat <= the same as < and >= the same as >.
8757 Don't require that cond2_phi_edge is true edge, instead take
8758 false/true edges into account based on cmp1/cmp2 comparison kinds.
8760 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
8763 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
8764 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
8765 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
8766 using SMAXMIN_MMXMODEI mode iterator.
8767 (*<smaxmin:code>v4qi3): New insn pattern.
8768 (*<smaxmin:code>v2hi3): Ditto.
8769 (SMAXMIN_VI_32): New mode iterator.
8770 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
8771 (UMAXMIN_MMXMODEI): New mode iterator.
8772 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
8773 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
8774 using UMAXMIN_MMXMODEI mode iterator.
8775 (*<umaxmin:code>v4qi3): New insn pattern.
8776 (*<umaxmin:code>v2hi3): Ditto.
8777 (UMAXMIN_VI_32): New mode iterator.
8778 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
8779 (abs<VI_32:mode>2): New insn pattern.
8780 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
8781 * config/i386/sse.md: ... here.
8783 2021-05-20 Clement Chigot <clement.chigot@atos.net>
8784 David Edelsohn <dje.gcc@gmail.com>
8786 * collect2.c (scan_prog_file): Issue non-fatal warning for
8789 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
8791 * doc/invoke.texi (-Wno-c++11-extensions)
8792 (-Wno-c++14-extensions, -Wno-c++17-extensions)
8793 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
8796 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
8798 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
8799 * config/darwin.c (darwin_override_options): Likewise.
8800 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
8801 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
8802 (DWARF2_FRAME_REG_OUT): Likewise.
8803 * config/mips/mips.c (mips_output_filename): Likewise.
8804 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
8806 (rs6000_dbx_register_number): Likewise.
8807 * dbxout.c: Include flags.h.
8808 * dwarf2cfi.c (cfi_label_required_p): Likewise.
8809 (dwarf2out_do_frame): Likewise.
8810 * except.c: Include flags.h.
8811 * final.c (dwarf2_debug_info_emitted_p): Likewise.
8812 (final_scan_insn_1): Likewise.
8813 * flags.h (dwarf_debuginfo_p): New function declaration.
8814 * opts.c (dwarf_debuginfo_p): New function definition.
8815 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
8816 * toplev.c (process_options): Likewise.
8818 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
8820 * common.opt: Change type to support bitmasks.
8821 * flag-types.h (enum debug_info_type): Rename enumerator constants.
8822 (NO_DEBUG): New bitmask.
8823 (DBX_DEBUG): Likewise.
8824 (DWARF2_DEBUG): Likewise.
8825 (XCOFF_DEBUG): Likewise.
8826 (VMS_DEBUG): Likewise.
8827 (VMS_AND_DWARF2_DEBUG): Likewise.
8828 * flags.h (debug_set_to_format): New function declaration.
8829 (debug_set_count): Likewise.
8830 (debug_set_names): Likewise.
8831 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
8832 (debug_set_to_format): New function definition.
8833 (debug_set_count): Likewise.
8834 (debug_set_names): Likewise.
8835 (set_debug_level): Update access to debug_type_names.
8836 * toplev.c: Likewise.
8838 2021-05-20 Martin Sebor <msebor@redhat.com>
8840 PR middle-end/100684
8841 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
8843 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
8846 * config/i386/i386.md (isa): Remove x64_bmi.
8847 (enabled): Remove x64_bmi.
8848 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
8849 Remove general register alternative.
8850 (*andnot<VI_32:mode>3): Ditto.
8851 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
8852 (*<any_logic:code><VI_32:mode>3): Ditto.
8854 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
8856 * config/arm/arm.c: Include head files tree-vectorizer.h and
8859 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
8862 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
8863 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
8864 (<s>mulv4hi3_highpart): New expander.
8865 (*<s>mulv2hi3_highpart): New insn pattern.
8866 (<s>mulv2hi3_higpart): New expander.
8867 (*<any_shift:insn>v2hi3): New insn pattern.
8868 (<any_shift:insn>v2hi3): New expander.
8869 * config/i386/sse.md (smulhrsv2hi3): New expander.
8870 (*smulhrsv2hi3): New insn pattern.
8872 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
8874 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
8876 * params.opt (vect-inner-loop-cost-factor): New.
8877 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
8878 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
8879 tree-vectorizer.h and its required ones.
8880 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
8881 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
8882 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
8883 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
8884 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
8885 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8887 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
8888 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
8889 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
8891 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
8892 Torbjörn Svensson <torbjorn.svensson@st.com>
8895 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
8897 2021-05-20 Jakub Jelinek <jakub@redhat.com>
8900 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
8901 explicit linear clause when combined with target, make it map(tofrom:)
8902 instead of no clause or firstprivate.
8904 2021-05-20 Jakub Jelinek <jakub@redhat.com>
8906 PR tree-optimization/94589
8907 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
8908 of integral conversions.
8910 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
8912 * gimple-range.cc (fur_source::get_operand): New.
8913 (gimple_range_fold): Delete.
8914 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
8915 (fold_using_range::range_of_range_op): Move from gimple_ranger.
8916 (fold_using_range::range_of_address): Ditto.
8917 (fold_using_range::range_of_phi): Ditto.
8918 (fold_using_range::range_of_call): Ditto.
8919 (fold_using_range::range_of_builtin_ubsan_call): Move from
8920 range_of_builtin_ubsan_call.
8921 (fold_using_range::range_of_builtin_call): Move from
8922 range_of_builtin_call.
8923 (gimple_ranger::range_of_builtin_call): Delete.
8924 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
8925 (gimple_ranger::fold_range_internal): New.
8926 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
8927 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
8928 gimple_ranger. Improve ranges of SSA_NAMES when possible.
8929 * gimple-range.h (gimple_ranger): Remove various range_of routines.
8930 (class fur_source): New.
8931 (class fold_using_range): New.
8932 (fur_source::fur_source): New.
8934 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
8935 instead of range_of_builtin_call.
8937 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
8939 * doc/cpp.texi (Common Predefined Macros): Update documentation
8940 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
8942 2021-05-19 Alex Coplan <alex.coplan@arm.com>
8945 * config/arm/arm.md (nonsecure_call_internal): Always ensure
8946 callee's address is in a register.
8948 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
8950 * common/config/riscv/riscv-common.c
8951 (riscv_subset_list::parsing_subset_version): Properly parse the letter
8953 (riscv_subset_list::parse_std_ext,
8954 riscv_subset_list::parse_multiletter_ext): To handle errors generated
8955 in riscv_subset_list::parsing_subset_version.
8957 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
8959 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
8960 type attribute in patterns generating XTN(2).
8962 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
8964 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
8965 Remove as duplicate of...
8966 (aarch64_xtn<mode>): This.
8967 (aarch64_xtn2<mode>_le): Move position in file.
8968 (aarch64_xtn2<mode>_be): Move position in file.
8969 (aarch64_xtn2<mode>): Move position in file.
8970 (vec_pack_trunc_<mode>): Define as an expander.
8972 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
8974 * config/aarch64/aarch64-simd-builtins.def: Split builtin
8975 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
8976 separate scalar and vector generators.
8977 * config/aarch64/aarch64-simd.md
8978 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
8980 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
8981 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
8982 * config/aarch64/iterators.md: Define SD_HSDI iterator.
8984 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
8986 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
8988 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
8990 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
8992 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
8993 Implement as an expand emitting a big/little endian
8994 instruction pattern.
8995 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
8996 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
8998 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
9000 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
9001 Implement as an expand emitting a big/little endian
9002 instruction pattern.
9003 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
9004 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
9005 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
9006 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
9008 2021-05-19 Richard Biener <rguenther@suse.de>
9010 PR middle-end/100672
9011 * fold-const.c (fold_negate_expr_1): Use element_precision.
9012 (negate_expr_p): Likewise.
9014 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
9016 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
9017 (pred_load): New int attribute.
9018 * config/aarch64/aarch64-sve.md
9019 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
9020 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
9021 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
9022 code_for_aarch64_load.
9024 2021-05-19 Richard Biener <rguenther@suse.de>
9026 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
9027 sure TARGET_MEM_REF bases are expanded as memory.
9028 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
9029 Do not mark TARGET_MEM_REF bases addressable.
9030 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
9031 TARGET_MEM_REF bases as never rewritable.
9032 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
9033 walk TARGET_MEM_REF bases as address-takens.
9034 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
9036 2021-05-19 Richard Biener <rguenther@suse.de>
9038 * builtins.c (get_object_alignment_1): Strip outer
9040 * tree-dfa.c (get_ref_base_and_extent): Handle outer
9041 WITH_SIZE_EXPR for size processing and process the
9043 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
9044 outer WITH_SIZE_EXPR.
9045 (ao_ref_base_alias_ptr_type): Likewise.
9046 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
9047 and handle that accordingly, stripping it for the
9049 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
9050 looking through it instead of returning NULL.
9052 2021-05-19 Jakub Jelinek <jakub@redhat.com>
9054 PR middle-end/100576
9055 * builtins.c (check_read_access): Convert bound to size_type_node if
9058 2021-05-19 Richard Biener <rguenther@suse.de>
9060 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
9061 (verify_types_in_gimple_reference): ... here. Sanitize.
9062 (verify_gimple_call): Verify references in LHS and arguments.
9063 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
9065 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
9067 * config/i386/i386.h (VALID_INT_MODE_P):
9068 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
9069 * config/i386/i386.md (isa): Add x64_bmi.
9070 (enabled): Handle x64_bmi.
9071 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
9072 Add alternative using 64bit general registers.
9073 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
9075 2021-05-19 Jakub Jelinek <jakub@redhat.com>
9078 * tree.h (OMP_MASTER_COMBINED): Define.
9079 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
9080 handling for outer combined/composite constructs to a loop.
9081 Handle lastprivate on combined target.
9082 (gimplify_expr): Formatting fix.
9084 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
9086 * passes.def: Add sink_code pass before store_merging.
9087 * tree-ssa-sink.c (pass_sink_code:clone): New.
9089 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
9091 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
9092 rs6000_special_adjust_field_align_p.
9093 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
9094 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
9096 (rs6000_function_arg): Likewise.
9097 * config/rs6000/rs6000-protos.h
9098 (rs6000_special_adjust_field_align_p): Remove prototype.
9099 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
9101 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
9102 rs6000_special_adjust_field_align_p.
9104 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
9107 * config/i386/i386.h (VALID_SSE2_REG_MODE):
9108 Add V4QI and V2HI modes.
9109 (VALID_INT_MODE_P): Ditto.
9110 * config/i386/mmx.md (VI_32): New mode iterator.
9111 (mmxvecsize): Handle V4QI and V2HI.
9113 (mov<VI_32:mode>): New expander.
9114 (*mov<mode>_internal): New insn pattern.
9115 (movmisalign<VI_32:mode>): New expander.
9116 (neg<VI_32:mode>): New expander.
9117 (<plusminus:insn><VI_32:mode>3): New expander.
9118 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
9119 (mulv2hi3): New expander.
9120 (*mulv2hi3): New insn pattern.
9121 (one_cmpl<VI_32:mode>2): New expander.
9122 (*andnot<VI_32:mode>3): New insn pattern.
9123 (<any_logic:code><VI_32:mode>3): New expander.
9124 (*<any_logic:code><VI_32:mode>3): New insn pattern.
9126 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
9128 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
9129 Fix a mode mismatch with operand 1.
9131 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
9134 * config/i386/i386-expand.c (split_double_mode): Return
9135 temporary register when simplify_gen_subreg fails with
9136 the high half od the paradoxical subreg.
9138 2021-05-18 Richard Biener <rguenther@suse.de>
9140 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
9141 and honor it when expanding.
9142 (expand_used_vars_for_block): Pass through forced_stack_var.
9143 (expand_used_vars): Likewise.
9144 (discover_nonconstant_array_refs_r): Set bits in
9145 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
9146 (avoid_type_punning_on_regs): Likewise.
9147 (discover_nonconstant_array_refs): Likewise.
9148 (pass_expand::execute): Create and pass down forced_stack_var
9149 bitmap. For parameters and returns temporarily set
9150 TREE_ADDRESSABLE when expand_function_start.
9152 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
9154 * doc/sourcebuild.texi: Document 'dg-note'.
9156 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
9159 * configure: Regenerate.
9160 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
9162 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
9164 * gimple.h (is_gimple_omp_oacc): Tighten.
9165 * omp-low.c (check_omp_nesting_restrictions): Adjust.
9167 2021-05-18 Richard Biener <rguenther@suse.de>
9169 * tree-ssa-operands.c (mark_address_taken): Simplify.
9171 2021-05-18 Martin Liska <mliska@suse.cz>
9173 * config/gcn/mkoffload.c (STR): Redefine.
9174 * config/i386/intelmic-mkoffload.c (STR): Likewise.
9175 * config/nvptx/mkoffload.c (STR): Likewise.
9177 2021-05-18 Martin Liska <mliska@suse.cz>
9179 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
9180 Use startswith function instead of strncmp.
9181 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
9182 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
9183 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
9184 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
9185 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
9186 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
9187 * config/arm/arm.c (arm_file_start): Likewise.
9188 (arm_valid_target_attribute_rec): Likewise.
9189 (thumb1_md_asm_adjust): Likewise.
9190 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
9191 * config/avr/avr.c (STR_PREFIX_P): Likewise.
9192 (avr_set_current_function): Likewise.
9193 (avr_handle_addr_attribute): Likewise.
9194 (avr_asm_output_aligned_decl_common): Likewise.
9195 (avr_asm_named_section): Likewise.
9196 (avr_section_type_flags): Likewise.
9197 (avr_asm_select_section): Likewise.
9198 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
9199 (c6x_section_type_flags): Likewise.
9200 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
9201 (darwin_objc_declare_unresolved_class_reference): Likewise.
9202 (darwin_objc_declare_class_definition): Likewise.
9203 * config/darwin.c (indirect_data): Likewise.
9204 (darwin_encode_section_info): Likewise.
9205 (darwin_objc2_section): Likewise.
9206 (darwin_objc1_section): Likewise.
9207 (machopic_select_section): Likewise.
9208 (darwin_globalize_label): Likewise.
9209 (darwin_label_is_anonymous_local_objc_name): Likewise.
9210 (darwin_asm_named_section): Likewise.
9211 (darwin_asm_output_dwarf_offset): Likewise.
9212 * config/frv/frv.c (frv_string_begins_with): Likewise.
9213 (frv_in_small_data_p): Likewise.
9214 * config/gcn/mkoffload.c (STR): Likewise.
9216 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
9217 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
9218 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
9219 (ix86_md_asm_adjust): Likewise.
9220 * config/i386/intelmic-mkoffload.c (STR): Likewise.
9221 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
9222 (i386_pe_file_end): Likewise.
9223 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
9224 (ia64_section_type_flags): Likewise.
9225 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
9226 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
9227 (mips16_stub_function_p): Likewise.
9228 (mips_function_rodata_section): Likewise.
9229 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
9230 (msp430_function_section): Likewise.
9231 (msp430_section_type_flags): Likewise.
9232 (msp430_expand_helper): Likewise.
9233 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
9234 (nios2_valid_target_attribute_rec): Likewise.
9235 * config/nvptx/mkoffload.c (process): Likewise.
9237 * config/pa/som.h: Likewise.
9238 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
9239 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
9240 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
9241 (rs6000_inner_target_options): Likewise.
9242 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
9243 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
9244 * config/vax/vax.c (vax_output_int_move): Likewise.
9245 * config/vms/vms-ld.c (startswith): Likewise.
9246 (process_args): Likewise.
9248 * config/vms/vms.c: Likewise.
9250 2021-05-18 Jakub Jelinek <jakub@redhat.com>
9252 PR rtl-optimization/100590
9253 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
9254 they are NONJUMP_INSN_P.
9256 2021-05-18 Jakub Jelinek <jakub@redhat.com>
9259 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
9260 DECL_ASSEMBLER_NAME on the fn_decl.
9262 2021-05-18 Jakub Jelinek <jakub@redhat.com>
9264 PR tree-optimization/94589
9265 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
9266 phi result used in (res & ~1) == 0 comparison as res >= 0 as
9267 res == 2 would be UB with -ffinite-math-only.
9269 2021-05-18 Martin Liska <mliska@suse.cz>
9271 * Makefile.in: genversion.o should depend on DATESTAMP.
9273 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
9275 * config/arc/simdext.md (negv2si2): Remove round bracket.
9277 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
9279 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
9280 _Bool as macro expanding to _Bool.
9282 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
9285 * tree.c (build_reference_type_for_mode)
9286 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
9288 (build_reference_type, build_pointer_type): Invoke
9289 build_*_type_for_mode with VOIDmode.
9291 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
9293 PR tree-optimization/100512
9294 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
9295 and non-zero pointer ranges as invariant.
9296 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
9297 processing from here.
9299 2021-05-17 Tom de Vries <tdevries@suse.de>
9302 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
9303 * config/nvptx/nvptx.c (nvptx_output_barrier)
9304 (nvptx_output_atomic_insn): New function.
9305 (nvptx_print_operand): Add support for 'B'.
9306 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
9309 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
9311 PR tree-optimization/100349
9312 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
9315 2021-05-17 Tamar Christina <tamar.christina@arm.com>
9317 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
9318 (host_detect_local_cpu): Use it.
9320 2021-05-17 Martin Liska <mliska@suse.cz>
9322 * doc/invoke.texi: Add 2 missing dots.
9324 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
9327 * configure.ac: Replace pattern substitution with call to sed.
9328 * configure: Regenerate.
9330 2021-05-17 Richard Biener <rguenther@suse.de>
9332 PR middle-end/100582
9333 * tree.c (array_at_struct_end_p): Get to the base of the
9334 reference before looking for the underlying decl.
9336 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
9338 * genoutput.c (validate_insn_alternatives) Make "wrong number of
9339 alternatives" message more specific, and remove assumption on where
9342 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
9344 * config/arm/iterators.md (V16): New iterator.
9345 (VH_cvtto): New iterator.
9346 (v_cmp_result): Added V4HF and V8HF support.
9347 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
9348 (vcond<mode><mode>): Likewise.
9349 (vcond_mask_<mode><v_cmp_result>): Likewise.
9350 (vcond<VH_cvtto><mode>): New expander.
9352 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
9354 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
9356 * config/arm/arm.c (arm_expand_vector_compare): Add support for
9358 (arm_expand_vcond): Likewise.
9359 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
9360 VCMPEQQ_N_S, VCMPNEQ_N_S.
9361 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
9362 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
9363 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
9364 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
9365 (@mve_vpselq_<supf><mode>): Likewise.
9366 (@mve_vpselq_f<mode>"): Likewise.
9367 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
9368 and move to vec-common.md.
9369 (vec_cmpu<mode><mode>): Likewise.
9370 (vcond<mode><mode>): Likewise.
9371 (vcond<V_cvtto><mode>): Likewise.
9372 (vcondu<mode><v_cmp_result>): Likewise.
9373 (vcond_mask_<mode><v_cmp_result>): Likewise.
9374 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
9375 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
9376 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
9377 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
9378 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
9379 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
9381 (vec_cmpu<mode><mode>): Likewise.
9382 (vcond<mode><mode>): Likewise.
9383 (vcond<V_cvtto><mode>): Likewise.
9384 (vcondu<mode><v_cmp_result>): Likewise.
9385 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
9388 2021-05-17 liuhongt <hongtao.liu@intel.com>
9391 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
9392 gsi_insert_seq_before instead.
9394 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
9396 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
9397 (arm_sat_ok): ...this.
9399 2021-05-17 Martin Liska <mliska@suse.cz>
9401 * lto-wrapper.c (merge_flto_options): Factor out a new function.
9402 (merge_and_complain): Use it.
9403 (run_gcc): Merge also linker command line -flto=foo argument
9406 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
9408 * config/arm/arm.h (CPP_SPEC): Remove error message about
9409 -mlittle-endian/-mbig-endian conflict.
9411 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
9413 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
9414 __ROP_PROTECT__ if -mrop-protect is selected.
9416 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
9418 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
9419 rop_hash_save_offset and rop_hash_size.
9420 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
9421 rop_hash_size and rop_hash_save_offset.
9422 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
9423 (rs6000_emit_prologue): Emit hashst[p] in prologue.
9424 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
9425 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
9427 (hashst): New define_insn.
9428 (hashchk): Likewise.
9430 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
9432 * config/rs6000/rs6000.c (rs6000_option_override_internal):
9433 Disable shrink wrap when inserting ROP-protect instructions.
9434 * config/rs6000/rs6000.opt (mrop-protect): New option.
9435 (mprivileged): Likewise.
9436 * doc/invoke.texi: Document mrop-protect and mprivileged.
9438 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
9440 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
9443 2021-05-15 Martin Jambor <mjambor@suse.cz>
9446 2021-05-13 Martin Jambor <mjambor@suse.cz>
9448 PR tree-optimization/100453
9449 * tree-sra.c (sra_modify_assign): All const base accesses do not
9450 need refreshing, not just those from decl_pool.
9451 (sra_modify_assign): Do not refresh into a const base decl.
9453 2021-05-15 Jakub Jelinek <jakub@redhat.com>
9455 PR rtl-optimization/100342
9456 * regcprop.c (copy_value): When copying a source reg in a wider
9457 mode than it has recorded for the value, adjust recorded destination
9458 mode too or punt if !REG_CAN_CHANGE_MODE_P.
9460 2021-05-14 Jason Merrill <jason@redhat.com>
9462 * intl.h: Add comments.
9464 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9466 * config/aarch64/aarch64-simd.md
9467 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
9468 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
9469 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
9470 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
9471 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
9472 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
9473 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
9474 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
9475 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
9477 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
9480 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
9481 boolean logic equivalent.
9482 (vtst_s16): Likewise.
9483 (vtst_s32): Likewise.
9484 (vtst_u8): Likewise.
9485 (vtst_u16): Likewise.
9486 (vtst_u32): Likewise.
9487 (vtst_p8): Likewise.
9488 (vtst_p16): Likewise.
9489 (vtstq_s8): Likewise.
9490 (vtstq_s16): Likewise.
9491 (vtstq_s32): Likewise.
9492 (vtstq_u8): Likewise.
9493 (vtstq_u16): Likewise.
9494 (vtstq_u32): Likewise.
9495 (vtstq_p8): Likewise.
9496 (vtstq_p16): Likewise.
9497 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
9498 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
9500 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9502 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
9503 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
9504 (aarch64_sqdmlsl2<mode>): Delete.
9505 (aarch64_sqdmlal2_lane<mode>): Merge this...
9506 (aarch64_sqdmlsl2_lane<mode>): ... And this...
9507 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
9508 (aarch64_sqdmlal2_laneq<mode>): Merge this...
9509 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
9510 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
9511 (aarch64_sqdmlal2_n<mode>): Merge this...
9512 (aarch64_sqdmlsl2_n<mode>): ... And this...
9513 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
9515 2021-05-13 Martin Sebor <msebor@redhat.com>
9517 PR middle-end/100574
9518 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
9521 2021-05-13 Martin Sebor <msebor@redhat.com>
9523 PR tree-optimization/93100
9525 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
9526 don't modify referenced objects.
9528 2021-05-13 Martin Jambor <mjambor@suse.cz>
9530 PR tree-optimization/100453
9531 * tree-sra.c (sra_modify_assign): All const base accesses do not
9532 need refreshing, not just those from decl_pool.
9533 (sra_modify_assign): Do not refresh into a const base decl.
9535 2021-05-13 Martin Liska <mliska@suse.cz>
9537 * tree-ssa-dom.c: Remove m_simplifier.
9539 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
9542 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
9543 canonicalize DImode inequality comparisons against the
9544 maximum integral value.
9546 2021-05-13 Jakub Jelinek <jakub@redhat.com>
9548 PR tree-optimization/98856
9549 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
9550 Expect V2DI and V4DI arithmetic right shifts to be emulated.
9551 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
9553 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
9554 expand_vec_perm_2perm_pblendv): New functions.
9555 (ix86_expand_vec_perm_const_1): Use them.
9556 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
9557 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
9558 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
9559 (ashrv4di3): New define_expand.
9560 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
9561 and !TARGET_AVX512VL expansion.
9563 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
9566 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
9567 sizes < 16 to a register when constructing vpcmov pattern.
9568 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
9570 2021-05-13 Martin Liska <mliska@suse.cz>
9572 * gcov-io.c (gcov_write_block): Remove.
9573 (gcov_write_words): Likewise.
9574 (gcov_read_words): Re-implement using gcov_read_bytes.
9575 (gcov_allocate): Remove.
9576 (GCOV_BLOCK_SIZE): Likewise.
9577 (struct gcov_var): Remove most of the fields.
9578 (gcov_position): Implement with ftell.
9579 (gcov_rewrite): Remove setting of start and offset fields.
9580 (from_file): Re-format.
9581 (gcov_open): Remove setbuf call. It should not be needed.
9582 (gcov_close): Remove internal buffer handling.
9583 (gcov_magic): Use __builtin_bswap32.
9584 (gcov_write_counter): Use directly gcov_write_unsigned.
9585 (gcov_write_string): Use direct fwrite and do not round
9587 (gcov_seek): Use directly fseek.
9588 (gcov_write_tag): Use gcov_write_unsigned directly.
9589 (gcov_write_length): Likewise.
9590 (gcov_write_tag_length): Likewise.
9591 (gcov_read_bytes): Use directly fread.
9592 (gcov_read_unsigned): Use gcov_read_words.
9593 (gcov_read_counter): Likewise.
9594 (gcov_read_string): Use gcov_read_bytes.
9595 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
9596 that size is not in bytes, but words (4B).
9597 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
9598 (GCOV_TAG_ARCS_LENGTH): Likewise.
9599 (GCOV_TAG_ARCS_NUM): Likewise.
9600 (GCOV_TAG_COUNTER_LENGTH): Likewise.
9601 (GCOV_TAG_COUNTER_NUM): Likewise.
9602 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
9604 2021-05-13 liuhongt <hongtao.liu@intel.com>
9607 * config/i386/sse.md (ssedoublevecmode): Add attribute for
9608 V64QI/V32HI/V16SI/V4DI.
9609 (ssehalfvecmode): Add attribute for V2DI/V2DF.
9610 (*vec_concatv4si_0): Extend to VI124_128.
9611 (*vec_concat<mode>_0): New pre-reload splitter.
9612 * config/i386/predicates.md (movq_parallel): New predicate.
9614 2021-05-13 Alexandre Oliva <oliva@adacore.com>
9616 * targhooks.c (default_zero_call_used_regs): Retry using
9617 successfully-zeroed registers as sources.
9619 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
9621 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
9623 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
9626 * gimple-range.cc (range_of_builtin_call): Skip out on
9627 processing __builtin_clz when varying.
9629 2021-05-12 Tom de Vries <tdevries@suse.de>
9632 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
9633 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
9634 to ptx_version_option.
9635 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
9636 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
9637 (define_insn "nvptx_vote_ballot"): Use sync variant for
9639 * config/nvptx/nvptx.opt (ptx_version): Add enum.
9641 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
9643 2021-05-12 Richard Biener <rguenther@suse.de>
9645 PR tree-optimization/100566
9646 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
9647 allow_back for all edge queries.
9649 2021-05-12 liuhongt <hongtao.liu@intel.com>
9652 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
9653 splitters for pblendvb of NOT mask register.
9655 2021-05-12 Richard Biener <rguenther@suse.de>
9657 PR tree-optimization/100519
9658 * tree-ssa-reassoc.c (can_associate_p): Split into...
9659 (can_associate_op_p): ... this
9660 (can_associate_type_p): ... and this.
9661 (is_reassociable_op): Call can_associate_op_p.
9662 (break_up_subtract_bb): Call the appropriate predicates.
9663 (reassociate_bb): Likewise.
9665 2021-05-12 Martin Liska <mliska@suse.cz>
9667 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
9668 (run_gcc): Use -flto argument detection for merged
9671 2021-05-12 Martin Liska <mliska@suse.cz>
9673 * lto-wrapper.c (print_lto_docs_link): New function.
9674 (run_gcc): Print warning about missing job server detection
9675 after we know NR of partitions. Do the same for -flto{,=1}.
9676 * opts.c (get_option_html_page): Support -flto option.
9678 2021-05-12 Martin Liska <mliska@suse.cz>
9680 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
9682 (append_option): Remove.
9683 (find_option): Rework to use the vector type.
9684 (remove_option): Remove.
9685 (merge_and_complain): Use vectors for cl_decoded_option data
9687 (append_compiler_options): Likewise.
9688 (append_diag_options): Likewise.
9689 (append_linker_options): Likewise.
9690 (append_offload_options): Likewise.
9691 (compile_offload_image): Likewise.
9692 (compile_images_for_offload_targets): Likewise.
9693 (find_and_merge_options): Likewise.
9694 (run_gcc): Likewise.
9696 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
9699 * dwarf2out.c (dwarf2out_finish): Set
9700 have_multiple_function_sections with multi-range text_section.
9702 2021-05-12 Martin Liska <mliska@suse.cz>
9705 * Makefile.in: Remove version.h from linker command line.
9707 2021-05-12 Richard Biener <rguenther@suse.de>
9709 PR middle-end/100547
9710 * rtl.h (rtvec_alloc): Make argument size_t.
9711 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
9713 2021-05-12 Jakub Jelinek <jakub@redhat.com>
9715 PR middle-end/100508
9716 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
9717 type, don't reuse DECL_RTL if it has different mode, instead force
9718 creation of a new DEBUG_EXPR.
9720 2021-05-12 Jakub Jelinek <jakub@redhat.com>
9721 Marc Glisse <marc.glisse@inria.fr>
9723 PR tree-optimization/94589
9724 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
9725 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
9727 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
9730 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
9731 * config/i386/mmx.md (MMXMODE124): New mode iterator.
9733 (mmxintvecmode): New mode attribute.
9734 (mmxintvecmodelower): Ditto.
9735 (*mmx_maskcmpv2sf3_comm): New insn pattern.
9736 (*mmx_maskcmpv2sf3): Ditto.
9737 (vec_cmpv2sfv2si): New expander.
9738 (vcond<V2FI:mode>v2si): Ditto.
9739 (mmx_vlendvps): New insn pattern.
9740 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
9741 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
9742 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
9744 2021-05-11 Martin Sebor <msebor@redhat.com>
9747 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
9749 2021-05-11 Richard Biener <rguenther@suse.de>
9751 * gimple-fold.c (gimple_fold_call): Do not call
9752 maybe_fold_reference on call arguments or the static chain.
9753 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
9756 2021-05-11 Martin Liska <mliska@suse.cz>
9758 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
9759 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
9760 (DEF_HSAIL_SAT_BUILTIN): Likewise.
9761 (DEF_HSAIL_INTR_BUILTIN): Likewise.
9762 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
9763 * doc/frontends.texi: Remove BRIG.
9764 * doc/install.texi: Likewise.
9765 * doc/invoke.texi: Likewise.
9766 * doc/standards.texi: Likewise.
9767 * brig-builtins.def: Removed.
9768 * brig/ChangeLog: Removed.
9769 * brig/Make-lang.in: Removed.
9770 * brig/brig-builtins.h: Removed.
9771 * brig/brig-c.h: Removed.
9772 * brig/brig-lang.c: Removed.
9773 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
9774 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
9775 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
9776 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
9777 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
9778 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
9779 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
9780 * brig/brigfrontend/brig-comment-handler.cc: Removed.
9781 * brig/brigfrontend/brig-control-handler.cc: Removed.
9782 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
9783 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
9784 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
9785 * brig/brigfrontend/brig-function-handler.cc: Removed.
9786 * brig/brigfrontend/brig-function.cc: Removed.
9787 * brig/brigfrontend/brig-function.h: Removed.
9788 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
9789 * brig/brigfrontend/brig-label-handler.cc: Removed.
9790 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
9791 * brig/brigfrontend/brig-machine.c: Removed.
9792 * brig/brigfrontend/brig-machine.h: Removed.
9793 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
9794 * brig/brigfrontend/brig-module-handler.cc: Removed.
9795 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
9796 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
9797 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
9798 * brig/brigfrontend/brig-to-generic.cc: Removed.
9799 * brig/brigfrontend/brig-to-generic.h: Removed.
9800 * brig/brigfrontend/brig-util.cc: Removed.
9801 * brig/brigfrontend/brig-util.h: Removed.
9802 * brig/brigfrontend/brig-variable-handler.cc: Removed.
9803 * brig/brigfrontend/hsa-brig-format.h: Removed.
9804 * brig/brigfrontend/phsa.h: Removed.
9805 * brig/brigspec.c: Removed.
9806 * brig/config-lang.in: Removed.
9807 * brig/gccbrig.texi: Removed.
9808 * brig/lang-specs.h: Removed.
9809 * brig/lang.opt: Removed.
9811 2021-05-11 Richard Biener <rguenther@suse.de>
9814 * ipa-param-manipulation.c
9815 (ipa_param_body_adjustments::modify_call_stmt): Avoid
9816 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
9817 via gimple_call_lhs_ptr.
9819 2021-05-11 Alex Coplan <alex.coplan@arm.com>
9822 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
9823 Avoid emitting CFA adjusts on the sp if we have the fp.
9825 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
9827 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
9828 (VMULD): New iterator.
9829 (VCOND): Handle V4HF and V8HF.
9830 (VCONQ): Fix entry for V2SF.
9831 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
9832 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
9833 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
9834 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
9835 Use a 128-bit vector mode for the indexed operand. Use stype for
9836 the scheduling type.
9838 2021-05-11 Richard Biener <rguenther@suse.de>
9840 * gimple-fold.c (maybe_fold_reference): Only return
9841 is_gimple_min_invariant values.
9843 2021-05-11 Richard Biener <rguenther@suse.de>
9845 PR middle-end/100509
9846 * gimple-fold.c (fold_gimple_assign): Only call
9847 get_symbol_constant_value on register type symbols.
9849 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
9850 Joe Ramsay <joe.ramsay@arm.com>
9853 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
9854 (__arm_vcmpneq): Remove duplicate definition.
9855 (__arm_vstrwq_scatter_offset_p): Likewise.
9856 (__arm_vmaxq_x): Likewise.
9857 (__arm_vmlsdavaq): Likewise.
9858 (__arm_vmlsdavaxq): Likewise.
9859 (__arm_vmlsdavq_p): Likewise.
9860 (__arm_vmlsdavxq_p): Likewise.
9861 (__arm_vrmlaldavhaq): Likewise.
9862 (__arm_vstrbq_p): Likewise.
9863 (__arm_vstrbq_scatter_offset): Likewise.
9864 (__arm_vstrbq_scatter_offset_p): Likewise.
9865 (__arm_vstrdq_scatter_offset): Likewise.
9866 (__arm_vstrdq_scatter_offset_p): Likewise.
9867 (__arm_vstrdq_scatter_shifted_offset): Likewise.
9868 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
9870 2021-05-11 Jakub Jelinek <jakub@redhat.com>
9872 PR middle-end/100471
9873 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
9874 is 0, bypass the reduction loop including
9875 GOMP_taskgroup_reduction_unregister call.
9877 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
9879 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
9881 (rs6000_density_test): Early return if costing_for_scalar is true.
9882 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
9884 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
9886 * doc/tm.texi: Regenerated.
9887 * target.def (init_cost): Add new parameter costing_for_scalar.
9888 * targhooks.c (default_init_cost): Adjust for new parameter.
9889 * targhooks.h (default_init_cost): Likewise.
9890 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
9891 (vect_compute_single_scalar_iteration_cost): Likewise.
9892 (vect_analyze_loop_2): Likewise.
9893 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
9894 (vect_bb_vectorization_profitable_p): Likewise.
9895 * tree-vectorizer.h (init_cost): Likewise.
9896 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
9897 * config/i386/i386.c (ix86_init_cost): Likewise.
9898 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
9900 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
9902 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
9903 vect_nonmem and moved into...
9904 (struct rs6000_cost_data): ...here.
9905 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
9906 (rs6000_add_stmt_cost): Likewise.
9907 (rs6000_finish_cost): Likewise.
9909 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
9911 * range-op.cc (get_bool_state): Adjust head comment.
9912 (operator_not_equal::op1_range): Fix comment.
9913 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
9915 2021-05-10 Martin Sebor <msebor@redhat.com>
9917 PR middle-end/100425
9918 PR middle-end/100510
9919 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
9920 (pass_walloca::xlimit_certain_p): ...to this.
9921 (pass_walloca::gate): Execute for any kind of handled warning.
9922 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
9923 warnings when xlimit_certain_p is set.
9925 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
9927 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
9928 Return ALTIVEC_REGS if that is best_class.
9929 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
9931 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
9933 * config/arm/arm.h (CPP_SPEC): Remove error message about
9936 2021-05-10 Martin Jambor <mjambor@suse.cz>
9938 * ipa-prop.h (IPA_NODE_REF): Removed.
9939 (IPA_NODE_REF_GET_CREATE): Likewise.
9940 (IPA_EDGE_REF): Likewise.
9941 (IPA_EDGE_REF_GET_CREATE): Likewise.
9942 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
9943 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
9944 use of ipa_node_params_sum.
9945 (ipcp_versionable_function_p): Likewise.
9946 (push_node_to_stack): Likewise.
9947 (pop_node_from_stack): Likewise.
9948 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
9949 direct use of ipa_node_params_sum.
9950 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
9951 ipa_node_params_sum.
9952 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
9954 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
9955 use of ipa_node_params_sum.
9956 (self_recursively_generated_p): Likewise.
9957 (propagate_scalar_across_jump_function): Likewise.
9958 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
9959 direct use of ipa_edge_args_sum, moved the lookup after the early
9960 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
9961 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
9962 direct uses of ipa_node_params_sum.
9963 (propagate_vr_across_jump_function): Likewise.
9964 (propagate_aggregate_lattice): Likewise.
9965 (propagate_aggs_across_jump_function): Likewise.
9966 (propagate_constants_across_call): Likewise, also replaced
9967 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
9968 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
9969 of ipa_node_params_sum.
9970 (estimate_local_effects): Likewise.
9971 (add_all_node_vals_to_toposort): Likewise.
9972 (propagate_constants_topo): Likewise.
9973 (ipcp_propagate_stage): Likewise.
9974 (ipcp_discover_new_direct_edges): Likewise.
9975 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
9976 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
9977 (get_info_about_necessary_edges): Likewise.
9978 (want_remove_some_param_p): Likewise.
9979 (create_specialized_node): Likewise.
9980 (self_recursive_pass_through_p): Likewise.
9981 (self_recursive_agg_pass_through_p): Likewise.
9982 (find_more_scalar_values_for_callers_subset): Likewise and also
9983 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
9984 case replacing two of those with a single query.
9985 (find_more_contexts_for_caller_subset): Likewise for the
9986 ipa_polymorphic_call_context overload.
9987 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
9988 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
9989 ipa_node_params_sum.
9990 (find_aggregate_values_for_callers_subset): Likewise, also reusing
9991 results of ipa_edge_args_sum->get.
9992 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
9993 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
9994 direct use of ipa_edge_args_sum.
9995 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
9996 summary query after the early exit and reused the result later.
9997 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
9998 ipa_node_params_sum.
9999 (decide_whether_version_node): Likewise. Removed re-querying for
10000 summaries after cloning.
10001 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
10002 ipa_node_params_sum.
10003 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
10005 (identify_dead_nodes): Likewise.
10006 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
10007 ipa_node_params_sum.
10008 (ipcp_store_vr_results): Likewise.
10009 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
10010 (ipa_fn_summary_t::duplicate): Likewise.
10011 (analyze_function_body): Likewise.
10012 (estimate_calls_size_and_time): Likewise.
10013 (ipa_cached_call_context::duplicate_from): Likewise.
10014 (ipa_call_context::equal_to): Likewise.
10015 (remap_edge_params): Likewise.
10016 (ipa_merge_fn_summary_after_inlining): Likewise.
10017 (inline_read_section): Likewise.
10018 * ipa-icf.c (sem_function::param_used_p): Likewise.
10019 * ipa-modref.c (compute_parm_map): Likewise.
10020 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
10022 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
10023 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
10025 * ipa-profile.c (check_argument_count): Likewise.
10026 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
10027 with a direct use of ipa_node_params_sum.
10028 (ipa_initialize_node_params): Likewise.
10029 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
10030 direct use of ipa_edge_args_sum and reused the query result.
10031 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
10032 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
10033 direct use of ipa_edge_args_sum.
10034 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
10035 ipa_node_params_sum and reused the result of the query.
10036 (ipa_analyze_node): Likewise.
10037 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
10038 of ipa_node_params_sum.
10039 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
10040 direct uses of ipa_edge_args_sum.
10041 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
10042 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
10043 direct use of ipa_edge_args_sum. Removed superficial re-querying the
10045 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
10046 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
10048 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
10049 direct use of ipa_edge_args_sum.
10050 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
10051 use of ipa_node_params_sum.
10052 (ipa_print_node_params): Likewise.
10053 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
10054 direct uses of ipa_edge_args_sum.
10055 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
10057 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
10058 ipa_node_params_sum.
10059 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
10060 scopes where it is used.
10062 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
10064 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
10065 <case E_V2SImode>: Force op_true to register.
10067 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10069 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
10070 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
10071 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
10073 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
10074 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
10075 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
10076 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
10077 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
10078 (mve_vcmpneq_n_f<mode>): Remove.
10079 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
10080 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
10081 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
10083 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10085 * config/arm/iterators.md (MVE_COMPARISONS): New.
10087 (mve_cmp_type): New.
10088 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
10090 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
10091 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
10092 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
10093 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
10094 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
10095 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
10096 (mve_vcmpneq_n_<mode>): Remove.
10098 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10100 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
10101 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
10102 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
10105 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10107 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
10108 (vcmpneq_n_u): Likewise.
10109 (vcmpeqq_u,): Likewise.
10110 (vcmpeqq_n_u): Likewise.
10111 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
10112 VCMPEQQ_N_U and VCMPNEQ_N_U.
10113 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
10114 (mve_vcmpeqq_n): Likewise.
10115 (mve_vcmpeqq): Likewise.
10116 (mve_vcmpneq_n): Likewise.
10118 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10120 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
10121 the 's' version of the builtin.
10123 2021-05-10 Richard Biener <rguenther@suse.de>
10125 PR tree-optimization/100492
10126 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
10127 Find nothing when the loop contains an irreducible region.
10129 2021-05-10 Richard Biener <rguenther@suse.de>
10131 PR middle-end/100464
10133 * gimple-fold.c (canonicalize_constructor_val): Do not set
10136 2021-05-10 Richard Biener <rguenther@suse.de>
10138 PR tree-optimization/100434
10139 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
10141 (dse_optimize_stmt): Handle call LHS by dropping the
10142 LHS or the whole call if it doesn't have other
10144 (pass_dse::execute): Adjust.
10146 2021-05-10 Martin Liska <mliska@suse.cz>
10148 * Makefile.in: Add missing genversion rule.
10150 2021-05-10 Alex Coplan <alex.coplan@arm.com>
10153 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
10154 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
10156 2021-05-10 Martin Liska <mliska@suse.cz>
10158 * builtins.c (is_builtin_name): Use startswith
10159 function instead of strncmp.
10160 * collect2.c (main): Likewise.
10161 (has_lto_section): Likewise.
10162 (scan_libraries): Likewise.
10163 * coverage.c (coverage_checksum_string): Likewise.
10164 (coverage_init): Likewise.
10165 * dwarf2out.c (is_cxx): Likewise.
10166 (gen_compile_unit_die): Likewise.
10167 * gcc-ar.c (main): Likewise.
10168 * gcc.c (init_spec): Likewise.
10169 (read_specs): Likewise.
10170 (execute): Likewise.
10171 (check_live_switch): Likewise.
10172 * genattrtab.c (write_attr_case): Likewise.
10173 (IS_ATTR_GROUP): Likewise.
10174 * gencfn-macros.c (main): Likewise.
10175 * gengtype.c (type_for_name): Likewise.
10176 (gen_rtx_next): Likewise.
10177 (get_file_langdir): Likewise.
10178 (write_local): Likewise.
10179 * genmatch.c (get_operator): Likewise.
10180 (get_operand_type): Likewise.
10181 (expr::gen_transform): Likewise.
10182 * genoutput.c (validate_optab_operands): Likewise.
10183 * incpath.c (add_sysroot_to_chain): Likewise.
10184 * langhooks.c (lang_GNU_C): Likewise.
10185 (lang_GNU_CXX): Likewise.
10186 (lang_GNU_Fortran): Likewise.
10187 (lang_GNU_OBJC): Likewise.
10188 * lto-wrapper.c (run_gcc): Likewise.
10189 * omp-general.c (omp_max_simt_vf): Likewise.
10190 * omp-low.c (omp_runtime_api_call): Likewise.
10191 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
10192 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
10193 * real.c (real_from_string): Likewise.
10194 * selftest.c (assert_str_startswith): Likewise.
10195 * timevar.c (timer::validate_phases): Likewise.
10196 * tree.c (get_file_function_name): Likewise.
10197 * ubsan.c (ubsan_use_new_style_p): Likewise.
10198 * varasm.c (default_function_rodata_section): Likewise.
10199 (incorporeal_function_p): Likewise.
10200 (default_section_type_flags): Likewise.
10201 * system.h (startswith): Define startswith.
10203 2021-05-10 Martin Liska <mliska@suse.cz>
10205 * bitmap.h (class auto_bitmap): Remove
10206 __cplusplus >= 201103.
10207 * config/aarch64/aarch64.c: Likewise.
10208 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
10210 * sbitmap.h: Likewise.
10212 2021-05-10 Martin Liska <mliska@suse.cz>
10214 * Makefile.in: Rename gcov-iov to genversion and depend
10215 on version.h (instead of gcov-iov.h).
10216 * gcov-io.h: Include version.h instread of gcov-iov.h.
10217 * gengtype-state.c (read_state_version): Likewise.
10218 * gcov-iov.c: Moved to...
10219 * genversion.c: ...here.
10220 * lto-streamer.h (LTO_major_version): Define it with
10222 * version.c: Removed.
10223 * version.h: Removed.
10225 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
10227 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
10228 * config/arc/simdext.md (VCT): Add predicates for iterator
10231 (voptab): Likewise.
10232 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
10233 (<voptab>v2si3): New patterns.
10235 (reduc_plus_scal_v4hi): Likewise.
10236 (reduc_plus_scal_v2si): Likewise.
10237 (vec_duplicatev2si): Likewise.
10238 (vec_duplicatev4hi): Likewise.
10240 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
10242 * config/arc/simdext.md: Format and cleanup file.
10244 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
10246 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
10247 only when munaligned-access option is on.
10248 (movmisalign<mode>): Likewise.
10250 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
10252 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
10254 * config/arc/arc.c (arc_reorg): Remove underscore from string.
10256 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
10258 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10259 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
10260 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
10261 (norm_f): Likewise.
10264 (clzsi2): Use fls instruction when available.
10265 (arc_clzsi2): Likewise.
10267 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
10269 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
10271 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
10273 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
10275 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
10277 PR middle-end/100467
10278 * toplev.c (compile_file): Call insn_locations_init before
10279 targetm.asm_out.code_end.
10281 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
10284 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
10286 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
10288 2021-05-07 Jakub Jelinek <jakub@redhat.com>
10289 Andrew Stubbs <amd@codesourcery.com>
10292 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
10293 emit_move_insn operands.
10295 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
10297 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
10298 location for the outgoing edges of an empty block.
10299 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
10300 type by means of the get_array_descr_info langhook, if it is set and
10301 returns true. Remove obsolete code dealing with unnamed subtypes.
10303 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
10305 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
10306 (sbr_vector): Renamed from ssa_block_cache.
10307 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
10308 (ssa_block_ranges::~ssa_block_ranges): Remove.
10309 (sbr_vector::set_bb_range): Use varying and undefined cached values.
10310 (ssa_block_ranges::set_bb_varying): Remove.
10311 (sbr_vector::get_bb_range): Adjust assert.
10312 (sbr_vector::bb_range_p): Adjust assert.
10313 (~block_range_cache): No freeing loop required.
10314 (block_range_cache::get_block_ranges): Remove.
10315 (block_range_cache::set_bb_range): Inline get_block_ranges.
10316 (block_range_cache::set_bb_varying): Remove.
10317 * gimple-range-cache.h (set_bb_varying): Remove prototype.
10318 * value-range.h (irange_allocator::get_memory): New.
10320 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
10322 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
10323 dominator tree is available and requested.
10324 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
10325 (ranger_cache::fill_block_cache): Don't search dom tree here either.
10326 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
10328 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
10330 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
10331 only PHI nodes better.
10333 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
10335 * gimple-range-edge.h (gimple_outgoing_range): Rename from
10337 (gcond_edge_range): Export prototype.
10338 * gimple-range-edge.cc (gcond_edge_range): New.
10339 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
10340 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
10342 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
10344 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
10345 default range into a temp and allocate only what is needed.
10347 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
10349 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
10351 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
10353 * gimple-range.h (gimple_range_global): Pick up parameter initial
10354 values, and use-before defined locals are UNDEFINED.
10356 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
10358 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
10360 * tree.h (reverse_storage_order_for_component_p): Return false if
10361 the type is a pointer.
10363 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
10365 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
10367 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
10370 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
10371 Handle V8QI, V4HI and V2SI modes.
10372 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
10373 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
10374 * config/i386/i386.md (unspec): ... here.
10376 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
10377 Tom de Vries <tdevries@suse.de>
10379 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
10380 a truth_value_p reduction variable is nonintegral.
10382 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
10385 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
10386 Return false for mode sizes < 16.
10388 2021-05-07 Jakub Jelinek <jakub@redhat.com>
10391 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
10393 2021-05-06 Martin Jambor <mjambor@suse.cz>
10395 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
10396 when there is no function summary.
10397 (ipa_sra_summarize_function): produce edge summaries even when
10400 2021-05-06 Tom Tromey <tom@tromey.com>
10402 * godump.c (string_hash_eq): Remove.
10403 (go_finish): Use htab_eq_string.
10405 2021-05-06 Tom Tromey <tom@tromey.com>
10407 * gengtype-state.c (read_state): Use htab_eq_string.
10408 (string_eq): Remove.
10410 2021-05-06 Tom Tromey <tom@tromey.com>
10412 * gensupport.c (htab_eq_string): Remove.
10414 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
10417 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
10418 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
10419 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
10420 set_ignored_loc callbacks.
10421 * debug.c (do_nothing_debug_hooks): Likewise.
10422 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
10423 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
10424 (in_text_section_p, last_text_label, last_cold_label,
10425 switch_text_ranges, switch_cold_ranges): New data items.
10426 (dwarf2out_note_section_used): Remove.
10427 (dwarf2out_begin_prologue): Set fde->ignored_debug and
10429 (mark_ignored_debug_section): New helper function.
10430 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
10431 mark_ignored_debug_section.
10432 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
10433 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
10434 (size_of_aranges): Adjust formula for multi-part text ranges size.
10435 (output_aranges): Output multi-part text ranges.
10436 (dwarf2out_set_ignored_loc): New callback function.
10437 (dwarf2out_finish): Output multi-part text ranges.
10438 (dwarf2out_c_finalize): Clear new data items.
10439 * final.c (final_start_function_1): Call set_ignored_loc callback.
10440 (final_scan_insn_1): Likewise.
10441 * ggc-page.c (gt_ggc_mx): New helper function.
10442 * stringpool.c (gt_pch_nx): Likewise.
10444 2021-05-06 Richard Biener <rguenther@suse.de>
10446 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
10447 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
10448 (TV_TREE_INTO_SSA): New.
10449 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
10450 (rewrite_blocks): Likewise.
10451 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
10453 2021-05-06 Jakub Jelinek <jakub@redhat.com>
10455 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
10456 abs_replacement, xor_replacement,
10457 cond_removal_in_popcount_clz_ctz_pattern,
10458 replace_phi_edge_with_variable): Change type of phi argument from
10459 gimple * to gphi *.
10461 2021-05-06 Richard Biener <rguenther@suse.de>
10463 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
10464 Output an opt-info message.
10465 (do_split_loop_on_cond): Likewise.
10466 (tree_ssa_split_loops): Update SSA form here.
10468 2021-05-06 Richard Biener <rguenther@suse.de>
10470 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
10471 return variable removal.
10473 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
10475 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
10476 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
10477 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
10479 * config/s390/s390.c (s390_const_operand_ok): Remove unused
10482 2021-05-06 Jakub Jelinek <jakub@redhat.com>
10484 PR tree-optimization/94589
10485 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
10486 spaceship_replacement.
10487 (cond_only_block_p, spaceship_replacement): New functions.
10489 2021-05-06 Richard Biener <rguenther@suse.de>
10492 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
10493 dealing with a debug use and only query existing addresses
10495 (lower_emutls_1): Avoid splitting out addresses for debug
10496 stmts, reset the debug stmt when we fail to find existing
10498 (lower_emutls_phi_arg): Set wi.stmt.
10500 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
10503 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
10504 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
10505 (stack_protect_test): Use cbranch helper.
10507 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
10510 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
10511 always return the establisher frame for __builtin_frame_address (0).
10513 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
10516 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
10517 (ix86_cpu_model_var): Likewise.
10518 (ix86_cpu_features2_type_node): Likewise.
10519 (ix86_cpu_features2_var): Likewise.
10520 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
10523 2021-05-05 Martin Sebor <msebor@redhat.com>
10525 * passes.def (pass_warn_printf): Run after SSA.
10527 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
10529 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
10530 * config/arm/predicates.md (minus_one_operand): New predicate.
10532 2021-05-05 Jeff Law <jlaw@tachyum.com>
10534 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
10536 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
10538 PR rtl-optimization/100263
10539 * postreload.c (move2add_valid_value_p): Ensure register can
10542 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
10544 PR rtl-optimization/100411
10545 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
10546 and beginning of function markers.
10548 2021-05-05 Jeff Law <jlaw@tachyum.com>
10550 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
10551 * config/cr16/cr16.c (notice_update_cc): Remove.
10552 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
10554 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
10557 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
10558 Handle V8QI, V4HI and V2SI modes.
10559 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
10560 (ix86_build_signbit_mask): Ditto.
10561 * config/i386/mmx.md (MMXMODE14): New mode iterator.
10562 (<smaxmin:code><MMXMODE14:mode>3): New expander.
10563 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
10564 (<umaxmin:code><MMXMODE24:mode>3): New expander.
10565 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
10566 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
10567 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
10568 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
10569 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
10570 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
10572 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
10574 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
10575 not expand the VALUE_EXPR of variables put in the non-local frame.
10576 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
10577 to be ignored for debug info, ensure its variable offsets are not.
10579 2021-05-05 Richard Biener <rguenther@suse.de>
10581 PR tree-optimization/79333
10582 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
10583 Fold stmt following SSA edges.
10585 2021-05-05 Richard Biener <rguenther@suse.de>
10587 PR middle-end/100394
10588 * calls.c (expand_call): Preserve possibly throwing calls.
10589 * cfgexpand.c (expand_call_stmt): When a call can throw signal
10590 RTL expansion there are side-effects.
10591 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
10592 mark all possibly throwing stmts necessary unless we can elide
10594 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
10595 -fdelete-dead-exceptions.
10596 * tree.h (DECL_PURE_P): Add note about exceptions.
10598 2021-05-05 Alexandre Oliva <oliva@adacore.com>
10600 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
10603 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
10605 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
10606 get_fnname_from_decl for name of thunk.
10607 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
10608 and ASM_OUTPUT_LABEL.
10609 (rs6000_xcoff_declare_function_name): Use assemble_name and
10611 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
10612 (rs6000_xcoff_encode_section_info): Don't add mapping class
10613 for aliases. Always add [DS] mapping class to primary
10615 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
10617 2021-05-04 Martin Sebor <msebor@redhat.com>
10619 PR middle-end/100307
10620 * builtins.c (compute_objsize_r): Clear base0 for pointers.
10622 2021-05-04 Jeff Law <jlaw@tachyum.com>
10624 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
10626 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
10628 * caller-save.c: Remove CC0.
10629 * cfgcleanup.c: Remove CC0.
10630 * cfgrtl.c: Remove CC0.
10631 * combine.c: Remove CC0.
10632 * compare-elim.c: Remove CC0.
10633 * conditions.h: Remove CC0.
10634 * config/h8300/h8300.h: Remove CC0.
10635 * config/h8300/h8300-protos.h: Remove CC0.
10636 * config/h8300/peepholes.md: Remove CC0.
10637 * config/i386/x86-tune-sched.c: Remove CC0.
10638 * config/m68k/m68k.c: Remove CC0.
10639 * config/rl78/rl78.c: Remove CC0.
10640 * config/sparc/sparc.c: Remove CC0.
10641 * config/xtensa/xtensa.c: Remove CC0.
10642 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
10643 RTL where that is used as a placeholder only.
10644 * cprop.c: Remove CC0.
10645 * cse.c: Remove CC0.
10646 * cselib.c: Remove CC0.
10647 * df-problems.c: Remove CC0.
10648 * df-scan.c: Remove CC0.
10649 * doc/md.texi: Remove CC0. Adjust an example.
10650 * doc/rtl.texi: Remove CC0. Adjust an example.
10651 * doc/tm.texi: Regenerate.
10652 * doc/tm.texi.in: Remove CC0.
10653 * emit-rtl.c: Remove CC0.
10654 * final.c: Remove CC0.
10655 * fwprop.c: Remove CC0.
10656 * gcse-common.c: Remove CC0.
10657 * gcse.c: Remove CC0.
10658 * genattrtab.c: Remove CC0.
10659 * genconfig.c: Remove CC0.
10660 * genemit.c: Remove CC0.
10661 * genextract.c: Remove CC0.
10662 * gengenrtl.c: Remove CC0.
10663 * genrecog.c: Remove CC0.
10664 * haifa-sched.c: Remove CC0.
10665 * ifcvt.c: Remove CC0.
10666 * ira-costs.c: Remove CC0.
10667 * ira.c: Remove CC0.
10668 * jump.c: Remove CC0.
10669 * loop-invariant.c: Remove CC0.
10670 * lra-constraints.c: Remove CC0.
10671 * lra-eliminations.c: Remove CC0.
10672 * optabs.c: Remove CC0.
10673 * postreload-gcse.c: Remove CC0.
10674 * postreload.c: Remove CC0.
10675 * print-rtl.c: Remove CC0.
10676 * read-rtl-function.c: Remove CC0.
10677 * reg-notes.def: Remove CC0.
10678 * reg-stack.c: Remove CC0.
10679 * reginfo.c: Remove CC0.
10680 * regrename.c: Remove CC0.
10681 * reload.c: Remove CC0.
10682 * reload1.c: Remove CC0.
10683 * reorg.c: Remove CC0.
10684 * resource.c: Remove CC0.
10685 * rtl.c: Remove CC0.
10686 * rtl.def: Remove CC0.
10687 * rtl.h: Remove CC0.
10688 * rtlanal.c: Remove CC0.
10689 * sched-deps.c: Remove CC0.
10690 * sched-rgn.c: Remove CC0.
10691 * shrink-wrap.c: Remove CC0.
10692 * simplify-rtx.c: Remove CC0.
10693 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
10694 CC_STATUS_MDEP, and CC_STATUS.
10695 * target.def: Remove CC0.
10696 * valtrack.c: Remove CC0.
10697 * var-tracking.c: Remove CC0.
10699 2021-05-04 Richard Biener <rguenther@suse.de>
10701 PR tree-optimization/100414
10702 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
10704 (tree_ssa_phiopt_worker): But unconditionally here.
10706 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
10708 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
10709 && and || with floating-point and complex arguments.
10711 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
10713 * tree-inline.c (insert_debug_decl_map): Delete.
10714 (copy_debug_stmt): Minor tweak.
10715 (setup_one_parameter): Do not use a variable if the value is either
10716 a read-only DECL or a non-addressable local variable in the caller.
10717 In this case, insert the debug-only variable in the map manually.
10718 (expand_call_inline): Do not generate a CLOBBER for these values.
10719 * tree-inline.h (debug_map): Minor tweak.
10721 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
10723 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
10724 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
10726 2021-05-04 Richard Biener <rguenther@suse.de>
10728 PR tree-optimization/100329
10729 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
10731 (insert_stmt_after): Assert we're not running into asm goto.
10733 2021-05-04 Richard Biener <rguenther@suse.de>
10735 PR tree-optimization/100398
10736 * tree-ssa-dse.c (pass_dse::execute): Preserve control
10739 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
10741 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
10743 2021-05-04 Alexandre Oliva <oliva@adacore.com>
10745 * builtins.c (try_store_by_multiple_pieces): New.
10746 (expand_builtin_memset_args): Use it. If target_char_cast
10747 fails, proceed as for non-constant val. Pass len's ctz to...
10748 * expr.c (clear_storage_hints): ... this. Try store by
10749 multiple pieces after setmem.
10750 (clear_storage): Adjust.
10751 * expr.h (clear_storage_hints): Likewise.
10752 (try_store_by_multiple_pieces): Declare.
10753 * passes.def: Replace the last copy_prop with ccp.
10755 2021-05-03 Tom de Vries <tdevries@suse.de>
10758 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
10761 2021-05-03 Richard Biener <rguenther@suse.de>
10763 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
10765 2021-05-03 Richard Biener <rguenther@suse.de>
10767 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
10768 (dse_dom_walker): Remove.
10769 (dse_dom_walker::dse_optimize_stmt): Rename...
10770 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
10771 (dse_dom_walker::before_dom_children): Inline ...
10772 (pass_dse::execute): ... here. Perform a reverse program
10775 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
10778 * configure: Regenerated.
10780 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
10783 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
10784 (s390_md_asm_adjust): Handle hard registers.
10786 2021-05-03 Jakub Jelinek <jakub@redhat.com>
10788 PR tree-optimization/100382
10789 * tree-ssa-dse.c: Include tree-eh.h.
10790 (dse_dom_walker::before_dom_children): Don't remove stmts if
10791 stmt_unremovable_because_of_non_call_eh_p is true.
10793 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
10795 * varasm.c (compute_reloc_for_var): Split out from...
10796 (get_variable_section): Use it.
10797 * output.h (compute_reloc_for_var): Declare.
10798 * config/rs6000/rs6000-protos.h
10799 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
10801 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
10802 Don't append storage mapping class to symbol.
10803 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
10804 Don't convert TLS BSS to common.
10805 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
10806 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
10808 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
10810 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
10811 If align is 0 from TLS class, use the same rules as varasm.c
10812 If not common, switch to BSS section manually.
10813 If common, emit appropriate comm or lcomm directive.
10814 (rs6000_xcoff_encode_section_info): Add logic to append all
10815 storage mapping classes.
10816 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
10817 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
10818 rs6000_xcoff_asm_output_aligned_decl_common.
10819 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
10820 rs6000_xcoff_asm_output_aligned_decl_common.
10821 (ASM_OUTPUT_TLS_COMMON): Use
10822 rs6000_xcoff_asm_output_aligned_decl_common.
10824 2021-05-02 Jakub Jelinek <jakub@redhat.com>
10827 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
10828 as first argument of pseudo_node_t constructors.
10830 2021-05-02 Jakub Jelinek <jakub@redhat.com>
10833 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
10835 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
10837 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
10838 (gt_pch_nx (int_range<1> *&)): New.
10839 (gt_ggc_mx (int_range<1> *&)): New.
10840 * value-range.h (class irange): Add GTY support for
10843 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
10845 * doc/options.texi (Negative): Change either or to both and.
10847 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
10849 * config/aarch64/aarch64-simd-builtins.def: Add
10850 float_ml[as][q]_laneq builtin generator macros.
10851 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
10852 (aarch64_float_mla_laneq<mode>): Define.
10853 (aarch64_float_mls_laneq<mode>): Define.
10854 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
10855 instead of GCC vector extensions.
10856 (vmlaq_laneq_f32): Likewise.
10857 (vmls_laneq_f32): Likewise.
10858 (vmlsq_laneq_f32): Likewise.
10860 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
10862 * config/aarch64/aarch64-simd-builtins.def: Add
10863 float_ml[as]_lane builtin generator macros.
10864 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
10866 (mul_lane<mode>3): This, and re-order arguments.
10867 (aarch64_float_mla_lane<mode>): Define.
10868 (aarch64_float_mls_lane<mode>): Define.
10869 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
10870 instead of GCC vector extensions.
10871 (vmlaq_lane_f32): Likewise.
10872 (vmls_lane_f32): Likewise.
10873 (vmlsq_lane_f32): Likewise.
10875 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
10877 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
10878 builtin generator macros.
10879 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
10881 (aarch64_float_mls<mode>): Define.
10882 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
10883 instead of relying on GCC vector extensions.
10884 (vmla_f64): Likewise.
10885 (vmlaq_f32): Likewise.
10886 (vmlaq_f64): Likewise.
10887 (vmls_f32): Likewise.
10888 (vmls_f64): Likewise.
10889 (vmlsq_f32): Likewise.
10890 (vmlsq_f64): Likewise.
10891 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
10893 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
10895 * config/aarch64/aarch64-simd-builtins.def: Add
10896 float_ml[as]_n_builtin generator macros.
10897 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
10899 (mul_n<mode>3): This, and re-order arguments.
10900 (aarch64_float_mla_n<mode>): Define.
10901 (aarch64_float_mls_n<mode>): Define.
10902 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
10903 instead of inline asm.
10904 (vmlaq_n_f32): Likewise.
10905 (vmls_n_f32): Likewise.
10906 (vmlsq_n_f32): Likewise.
10908 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
10910 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
10911 builtin generator macros.
10912 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
10913 (aarch64_pmull_hiv16qi_insn): Define.
10914 (aarch64_pmull_hiv16qi): Define.
10915 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
10916 instead of inline asm.
10917 (vmull_p8): Likewise.
10919 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
10921 * config/avr/avr.md: Adjust peepholes to match and
10922 generate parallels with clobber of REG_CC.
10923 (mov<mode>_insn): Rename to mov<mode>_insn_split.
10924 (*mov<mode>_insn): Rename to mov<mode>_insn.
10926 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
10928 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
10929 for VAR_DECLs if -fdata-sections enabled.
10931 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
10933 PR bootstrap/100327
10934 * config/rs6000/rs6000.c
10935 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
10936 (rs6000_libgcc_floating_mode_supported_p): New target hook.
10938 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
10940 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
10942 (class back_threader_registry): ...to here...
10943 (class back_threader_profitability): ...and here...
10944 (thread_jumps::thread_through_all_blocks): Remove argument.
10945 (back_threader_registry::back_threader_registry): New.
10946 (back_threader_registry::~back_threader_registry): New.
10947 (back_threader_registry::thread_through_all_blocks): New.
10948 (thread_jumps::profitable_jump_thread_path): Move from here...
10949 (back_threader_profitability::profitable_path_p): ...to here.
10950 (thread_jumps::find_taken_edge): New.
10951 (thread_jumps::convert_and_register_current_path): Move...
10952 (back_threader_registry::register_path): ...to here.
10953 (thread_jumps::register_jump_thread_path_if_profitable): Move...
10954 (thread_jumps::maybe_register_path): ...to here.
10955 (thread_jumps::handle_phi): Call find_taken_edge and
10956 maybe_register_path.
10957 (thread_jumps::handle_assignment): Same.
10958 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
10959 tree argument to handle_phi and handle_assignment.
10960 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
10961 set of m_speed_p and m_max_threaded_paths.
10962 (pass_thread_jumps::execute): Remove second argument from
10963 find_jump_threads_backwards.
10964 (pass_early_thread_jumps::execute): Same.
10966 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
10968 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
10969 (class dom_opt_dom_walker): Initialize some class variables.
10970 (pass_dominator::execute): Pass evrp_range_analyzer and
10971 dom_jump_threader_simplifier to dom_opt_dom_walker.
10972 Adjust for some functions moving into classes.
10973 (simplify_stmt_for_jump_threading): Adjust and move to...
10974 (jump_threader_simplifier::simplify): ...here.
10975 (dom_opt_dom_walker::before_dom_children): Adjust for
10976 m_evrp_range_analyzer.
10977 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
10978 (test_for_singularity): Place in dom_opt_dom_walker class.
10979 (dom_opt_dom_walker::optimize_stmt): The argument
10980 evrp_range_analyzer is now a class field.
10981 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
10982 (thread_jumps::thread_through_all_blocks): New.
10983 (thread_jumps::convert_and_register_current_path): Use m_registry.
10984 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
10985 being in the threader class.
10986 (pass_early_thread_jumps::execute): Same.
10987 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
10988 (jump_threader::jump_threader): ...here.
10989 (threadedge_finalize_values): Move...
10990 (jump_threader::~jump_threader): ...here.
10991 (jump_threader::remove_jump_threads_including): New.
10992 (jump_threader::thread_through_all_blocks): New.
10993 (record_temporary_equivalences_from_phis): Move...
10994 (jump_threader::record_temporary_equivalences_from_phis): ...here.
10995 (record_temporary_equivalences_from_stmts_at_dest): Move...
10996 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
10998 (simplify_control_stmt_condition_1): Move to jump_threader class.
10999 (simplify_control_stmt_condition): Move...
11000 (jump_threader::simplify_control_stmt_condition): ...here.
11001 (thread_around_empty_blocks): Move...
11002 (jump_threader::thread_around_empty_blocks): ...here.
11003 (thread_through_normal_block): Move...
11004 (jump_threader::thread_through_normal_block): ...here.
11005 (thread_across_edge): Move...
11006 (jump_threader::thread_across_edge): ...here.
11007 (thread_outgoing_edges): Move...
11008 (jump_threader::thread_outgoing_edges): ...here.
11009 * tree-ssa-threadedge.h: Move externally facing functings...
11010 (class jump_threader): ...here...
11011 (class jump_threader_simplifier): ...and here.
11012 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
11013 (jump_thread_path_allocator::jump_thread_path_allocator): New.
11014 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
11015 (jump_thread_path_allocator::allocate_thread_edge): New.
11016 (jump_thread_path_allocator::allocate_thread_path): New.
11017 (jump_thread_path_registry::jump_thread_path_registry): New.
11018 (jump_thread_path_registry::~jump_thread_path_registry): New.
11019 (jump_thread_path_registry::allocate_thread_edge): New.
11020 (jump_thread_path_registry::allocate_thread_path): New.
11021 (dump_jump_thread_path): Make extern.
11022 (debug (const vec<jump_thread_edge *> &path)): New.
11023 (struct removed_edges): Move to tree-ssa-threadupdate.h.
11024 (struct thread_stats_d): Remove.
11025 (remove_ctrl_stmt_and_useless_edges): Make static.
11026 (lookup_redirection_data): Move...
11027 (jump_thread_path_registry::lookup_redirection_data): ...here.
11028 (ssa_redirect_edges): Make static.
11029 (thread_block_1): Move...
11030 (jump_thread_path_registry::thread_block_1): ...here.
11031 (thread_block): Move...
11032 (jump_thread_path_registry::thread_block): ...here.
11033 (thread_through_loop_header): Move...
11034 (jump_thread_path_registry::thread_through_loop_header): ...here.
11035 (mark_threaded_blocks): Move...
11036 (jump_thread_path_registry::mark_threaded_blocks): ...here.
11037 (debug_path): Move...
11038 (jump_thread_path_registry::debug_path): ...here.
11039 (debug_all_paths): Move...
11040 (jump_thread_path_registry::dump): ..here.
11041 (rewire_first_differing_edge): Move...
11042 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
11043 (adjust_paths_after_duplication): Move...
11044 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
11045 (duplicate_thread_path): Move...
11046 (jump_thread_path_registry::duplicate_thread_path): ..here.
11047 (remove_jump_threads_including): Move...
11048 (jump_thread_path_registry::remove_jump_threads_including): ...here.
11049 (thread_through_all_blocks): Move to...
11050 (jump_thread_path_registry::thread_through_all_blocks): ...here.
11051 (delete_jump_thread_path): Remove.
11052 (register_jump_thread): Move...
11053 (jump_thread_path_registry::register_jump_thread): ...here.
11054 * tree-ssa-threadupdate.h: Move externally facing functions...
11055 (class jump_thread_path_allocator): ...here...
11056 (class jump_thread_path_registry): ...and here.
11057 (thread_through_all_blocks): Remove.
11058 (struct removed_edges): New.
11059 (register_jump_thread): Remove.
11060 (remove_jump_threads_including): Remove.
11061 (delete_jump_thread_path): Remove.
11062 (remove_ctrl_stmt_and_useless_edges): Remove.
11063 (free_dom_edge_info): New prototype.
11064 * tree-vrp.c: Remove x_vr_values hack.
11065 (class vrp_jump_threader_simplifier): New.
11066 (vrp_jump_threader_simplifier::simplify): New.
11067 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
11068 Remove m_dummy_cond.
11069 Instantiate m_simplifier and m_threader.
11070 (vrp_jump_threader::thread_through_all_blocks): New.
11071 (vrp_jump_threader::simplify_stmt): Remove.
11072 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
11073 Remove x_vr_values hack.
11074 (execute_vrp): Adjust for thread_through_all_blocks being in a
11077 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
11079 * genflags.c (gen_insn): Print failed expansion string.
11081 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
11083 * expr.c (alignment_for_piecewise_move): Call mode_for_size
11084 without limit to MAX_FIXED_MODE_SIZE.
11086 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
11088 PR middle-end/90773
11089 * builtins.c (builtin_memset_gen_str): Don't use return from
11090 simplify_gen_subreg.
11092 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
11095 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
11096 (*addsi3_carry_zext_0r): Ditto.
11097 (*sub<mode>3_carry_0): Ditto.
11098 (*subsi3_carry_zext_0r): Ditto.
11099 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
11101 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
11102 Also consider ix86_carry_flag_unset_operator to calculate
11103 the cost of adc/sbb insn.
11105 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
11107 PR rtl-optimization/100225
11108 PR rtl-optimization/84878
11109 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
11110 where we have an instruction which touches (writes) any hard
11111 register from df->regular_block_artificial_uses set.
11112 Allow not-single-set instruction only right before basic block
11115 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
11117 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
11119 2021-04-30 LevyHsu <admin@levyhsu.com>
11121 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
11122 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
11123 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
11124 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
11126 2021-04-29 Alexandre Oliva <oliva@adacore.com>
11128 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
11130 2021-04-29 Alexandre Oliva <oliva@adacore.com>
11132 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
11133 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
11134 * config/i386/i386.c: Adjust.
11135 * config/i386/i386.md: Adjust.
11136 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
11137 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11138 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11139 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11140 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11141 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11142 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11143 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11144 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11145 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11146 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
11148 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
11150 * config/i386/i386-expand.c (ix86_expand_int_compare):
11151 Swap operands of GTU and LEU comparison to emit carry flag comparison.
11152 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
11153 predicate to allow more combine opportunities with memory operands.
11154 (*sub<mode>3_carry_0): Ditto.
11156 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
11158 PR rtl-optimization/100303
11159 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
11160 boolean that indicates whether the use will only be used in
11161 debug instructions. Treat it in the same way that existing
11162 cross-EBB debug references would be handled if so.
11163 (function_info::make_uses_available): Likewise.
11164 * rtl-ssa/functions.h (function_info::make_uses_available): Update
11165 prototype accordingly.
11166 (function_info::make_uses_available): Likewise.
11167 * fwprop.c (try_fwprop_subst): Update call accordingly.
11169 2021-04-29 Jeff Law <jlaw@tachyum.com>
11171 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
11174 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
11175 Richard Biener <rguenther@suse.de>
11178 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
11179 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
11180 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
11181 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
11182 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
11183 to PURE_ARGS category.
11184 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
11185 Handle PURE_ARGS category.
11186 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
11188 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
11190 * configure.ac: Check for the presence of sys/locking.h header and
11191 for whether _LK_LOCK is supported by _locking.
11192 * configure: Regenerate.
11193 * config.in: Likewise.
11194 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
11195 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
11196 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
11198 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
11200 * config/i386/predicates.md (fcmov_comparison_operator):
11201 Do not check for trivial FP comparison operator.
11202 <case GEU, case LTU>: Allow CCGZmode.
11203 <case GTU, case LEU>: Do not allow CCCmode.
11204 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
11205 (ix86_carry_flag_operator): Match only LTU and UNLT code.
11206 Do not check for trivial FP comparison operator. Allow CCGZmode.
11208 2021-04-29 Tom de Vries <tdevries@suse.de>
11210 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
11211 fd->loop.step by either step or orig_step.
11213 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
11215 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
11216 (load_got_register): Do the PIC dance here.
11217 (sparc_legitimize_tls_address): Simplify.
11218 (sparc_emit_probe_stack_range): Likewise.
11219 (sparc32_initialize_trampoline): Likewise.
11220 (sparc64_initialize_trampoline): Likewise.
11221 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
11222 (probe_stack_range<P:mode>): Likewise.
11223 (flush<P:mode>): Likewise.
11224 (tgd_hi22<P:mode>): Likewise.
11225 (tgd_lo10<P:mode>): Likewise.
11226 (tgd_add<P:mode>): Likewise.
11227 (tgd_call<P:mode>): Likewise.
11228 (tldm_hi22<P:mode>): Likewise.
11229 (tldm_lo10<P:mode>): Likewise.
11230 (tldm_add<P:mode>): Likewise.
11231 (tldm_call<P:mode>): Likewise.
11232 (tldo_hix22<P:mode>): Likewise.
11233 (tldo_lox10<P:mode>): Likewise.
11234 (tldo_add<P:mode>): Likewise.
11235 (tie_hi22<P:mode>): Likewise.
11236 (tie_lo10<P:mode>): Likewise.
11237 (tie_add<P:mode>): Likewise.
11238 (tle_hix22<P:mode>): Likewise.
11239 (tle_lox10<P:mode>): Likewise.
11240 (stack_protect_setsi): Rename to...
11241 (stack_protect_set32): ...this.
11242 (stack_protect_setdi): Rename to...
11243 (stack_protect_set64): ...this.
11244 (stack_protect_set): Adjust calls to above.
11245 (stack_protect_testsi): Rename to...
11246 (stack_protect_test32): ...this.
11247 (stack_protect_testdi): Rename to...
11248 (stack_protect_test64): ...this.
11249 (stack_protect_test): Adjust calls to above.
11251 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
11253 PR middle-end/90773
11254 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
11255 (builtin_strncpy_read_str): Likewise.
11256 (builtin_memset_read_str): Add an argument for the previous RTL
11257 information and generate the new RTL from the previous RTL info.
11258 (builtin_memset_gen_str): Likewise.
11259 * builtins.h (builtin_strncpy_read_str): Update the prototype.
11260 (builtin_memset_read_str): Likewise.
11261 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
11262 returns true, round up size and alignment to the widest integer
11263 mode for maximum size.
11264 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
11265 and pass it to m_constfn.
11266 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
11267 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
11268 initialize m_push. Initialize m_overlap_op_by_pieces with
11269 targetm.overlap_op_by_pieces_p ().
11270 (op_by_pieces_d::run): Pass the previous RTL information to
11271 pieces_addr::adjust and generate overlapping operations if
11272 m_overlap_op_by_pieces is true.
11274 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
11276 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
11278 (can_store_by_pieces): Use by_pieces_constfn on constfun.
11279 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
11280 for op_by_pieces_d change.
11281 (clear_by_pieces_1): Add a dummy argument.
11282 (clear_by_pieces): Updated for op_by_pieces_d change.
11283 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
11284 (string_cst_read_str): Add a dummy argument.
11285 * expr.h (by_pieces_constfn): Add a dummy argument.
11286 (by_pieces_prev): New.
11287 * target.def (overlap_op_by_pieces_p): New target hook.
11288 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
11289 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
11290 * doc/tm.texi: Regenerated.
11292 2021-04-29 Richard Biener <rguenther@suse.de>
11294 PR tree-optimization/100253
11295 * tree-vect-stmts.c (vectorizable_load): Do not assume
11296 element alignment when DR_MISALIGNMENT is -1.
11297 (vectorizable_store): Likewise.
11299 2021-04-29 Jakub Jelinek <jakub@redhat.com>
11302 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
11303 absu_hwi instead of abs_hwi.
11305 2021-04-29 Richard Biener <rguenther@suse.de>
11307 PR middle-end/38474
11308 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
11309 forwarding when indirect forwarding through ESCAPED
11312 2021-04-29 Tom de Vries <tdevries@suse.de>
11315 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
11316 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
11317 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
11318 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
11320 2021-04-29 Richard Biener <rguenther@suse.de>
11322 PR tree-optimization/99912
11323 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
11324 (dse_dom_walker::todo): Likewise.
11325 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
11327 (dse_dom_walker::before_dom_children): Remove trivially
11328 dead SSA defs and schedule CFG cleanup if we removed all
11330 (pass_dse::execute): Get TODO as computed by the DOM walker
11331 and return it. Wipe dominator info earlier.
11333 2021-04-29 Richard Biener <rguenther@suse.de>
11336 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
11337 Track blocks to cleanup EH in new m_need_eh_cleanup.
11338 (ipcp_modif_dom_walker::cleanup_eh): New.
11339 (ipcp_transform_function): Release dominator info before
11342 2021-04-29 Martin Sebor <msebor@redhat.com>
11344 PR middle-end/100250
11345 * attribs.c (attr_access::array_as_string): Avoid dereferencing
11346 a pointer when it's null.
11348 2021-04-29 Martin Sebor <msebor@redhat.com>
11350 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
11351 * ipa-free-lang-data.cc: New file.
11352 * tree.c: Move pass free_lang_data to file above.
11353 (build_array_type_1): Declare extern.
11354 * tree.h (build_array_type_1): Declare.
11356 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11358 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
11359 make consistent with updated RTL pattern.
11360 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
11361 Implement using ss_truncate and us_truncate rather than
11363 * config/aarch64/iterators.md: Remove redundant unspecs and
11364 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
11366 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11368 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
11369 attributes consistent with those defined in arm_neon.h.
11371 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11373 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
11374 attributes consistent with those defined in arm_neon.h.
11376 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11378 * config/aarch64/aarch64-simd-builtins.def: Add
11379 float_trunc_rodd builtin generator macros.
11380 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
11382 (aarch64_float_trunc_rodd_lo_v2sf): Define.
11383 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
11384 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
11385 (aarch64_float_trunc_rodd_hi_v4sf): Define.
11386 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
11387 instead of inline asm.
11388 (vcvtx_high_f32_f64): Likewise.
11389 (vcvtxd_f32_f64): Likewise.
11390 * config/aarch64/iterators.md: Add FCVTXN unspec.
11392 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11394 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
11396 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
11398 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
11399 instead of inline asm.
11400 (vqtbx1_u8): Likewise.
11401 (vqtbx1_p8): Likewise.
11402 (vqtbx1q_s8): Likewise.
11403 (vqtbx1q_u8): Likewise.
11404 (vqtbx1q_p8): Likewise.
11405 (vtbx2_s8): Likewise.
11406 (vtbx2_u8): Likewise.
11407 (vtbx2_p8): Likewise.
11409 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11411 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
11413 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
11414 instead of inline asm.
11415 (vqtbl1_s8): Likewise.
11416 (vqtbl1_u8): Likewise.
11417 (vqtbl1q_p8): Likewise.
11418 (vqtbl1q_s8): Likewise.
11419 (vqtbl1q_u8): Likewise.
11420 (vtbl1_s8): Likewise.
11421 (vtbl1_u8): Likewise.
11422 (vtbl1_p8): Likewise.
11423 (vtbl2_s8): Likewise.
11424 (vtbl2_u8): Likewise.
11425 (vtbl2_p8): Likewise.
11427 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11429 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
11430 ssri_n buitin generator macro.
11431 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
11432 instead of inline asm.
11433 (vsri_n_p16): Likewise.
11434 (vsri_n_p64): Likewise.
11435 (vsriq_n_p8): Likewise.
11436 (vsriq_n_p16): Likewise.
11437 (vsriq_n_p64): Likewise.
11439 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11441 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
11442 iterator for polynomial ssli_n builtin generator macro.
11443 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
11444 instead of inline asm.
11445 (vsli_n_p16): Likewise.
11446 (vsliq_n_p8): Likewise.
11447 (vsliq_n_p16): Likewise.
11448 * config/aarch64/iterators.md: Define VALLP mode iterator.
11450 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11452 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
11453 iterator to generate [su]adalp RTL builtins.
11454 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
11455 [su]adalp RTL pattern.
11456 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
11457 instead of inline asm.
11458 (vpadal_u32): Likewise.
11460 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11462 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
11463 builtin generator macros.
11464 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
11466 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
11467 instead of inline asm.
11468 (vpaddl_s16): Likewise.
11469 (vpaddl_s32): Likewise.
11470 (vpaddl_u8): Likewise.
11471 (vpaddl_u16): Likewise.
11472 (vpaddl_u32): Likewise.
11473 (vpaddlq_s8): Likewise.
11474 (vpaddlq_s16): Likewise.
11475 (vpaddlq_s32): Likewise.
11476 (vpaddlq_u8): Likewise.
11477 (vpaddlq_u16): Likewise.
11478 (vpaddlq_u32): Liwewise.
11479 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
11480 appropriate attributes.
11482 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11484 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
11485 for aarch64_addp<mode> builtin macro generator.
11486 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
11487 aarch64_addp<mode> RTL pattern.
11488 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
11489 instead of inline asm.
11490 (vpaddq_s16): Likewise.
11491 (vpaddq_s32): Likewise.
11492 (vpaddq_s64): Likewise.
11493 (vpaddq_u8): Likewise.
11494 (vpaddq_u16): Likewise.
11495 (vpaddq_u32): Likewise.
11496 (vpaddq_u64): Likewise.
11498 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
11500 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
11501 builtin generator macros.
11502 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
11504 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
11505 instead of inline asm.
11506 (vqdmulh_n_s32): Likewise.
11507 (vqdmulhq_n_s16): Likewise.
11508 (vqdmulhq_n_s32): Likewise.
11509 (vqrdmulh_n_s16): Likewise.
11510 (vqrdmulh_n_s32): Likewise.
11511 (vqrdmulhq_n_s16): Likewise.
11512 (vqrdmulhq_n_s32): Likewise.
11514 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
11516 * doc/install.texi (--enable-offload-defaulted): Document.
11518 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
11520 * config/avr/avr-dimode.md: Turn existing patterns into
11521 define_insn_and_split style patterns where the splitter
11522 adds a clobber of the condition code register. Drop "cc"
11523 attribute. Add new patterns to match output of
11525 * config/avr/avr-fixed.md: Likewise.
11526 * config/avr/avr.c (cc_reg_rtx): New.
11527 (avr_parallel_insn_from_insns): Adjust insn count
11528 for removal of set of cc0.
11529 (avr_is_casesi_sequence): Likewise.
11530 (avr_casei_sequence_check_operands): Likewise.
11531 (avr_optimize_casesi): Likewise. Also insert
11532 new insns after jump_insn.
11533 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
11534 for removal of set of cc0.
11535 (avr_init_expanders): Initialize cc_reg_rtx.
11536 (avr_regno_reg_class): Handle REG_CC.
11537 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
11538 (avr_notice_update_cc): Remove function.
11539 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
11540 (compare_condition): Adjust for PARALLEL with
11542 (out_shift_with_cnt): Likewise.
11543 (ashlhi3_out): Likewise.
11544 (ashrhi3_out): Likewise.
11545 (lshrhi3_out): Likewise.
11546 (avr_class_max_nregs): Return single reg for REG_CC.
11547 (avr_compare_pattern): Check for REG_CC instead
11549 (avr_reorg_remove_redundant_compare): Likewise.
11550 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
11551 (avr_hard_regno_nregs): Return single reg for REG_CC.
11552 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
11553 (avr_md_asm_adjust): Clobber REG_CC.
11554 (TARGET_HARD_REGNO_NREGS): Define.
11555 (TARGET_CLASS_MAX_NREGS): Define.
11556 (TARGET_MD_ASM_ADJUST): Define.
11557 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
11559 (enum reg_class): Add CC_REG class.
11560 (NOTICE_UPDATE_CC): Remove.
11561 (CC_OVERFLOW_UNUSABLE): Remove.
11562 (CC_NO_CARRY): Remove.
11563 * config/avr/avr.md: Turn existing patterns into
11564 define_insn_and_split style patterns where the splitter
11565 adds a clobber of the condition code register. Drop "cc"
11566 attribute. Add new patterns to match output of
11568 (sez): Remove unused pattern.
11570 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
11573 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
11576 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
11579 * config/aarch64/constraints.md (Utq): Require the address to
11580 be valid for both the element mode and for V2DImode.
11582 2021-04-28 Jakub Jelinek <jakub@redhat.com>
11583 Tobias Burnus <tobias@codesourcery.com>
11585 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
11586 * gcc.c (process_command): New variable.
11587 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
11588 set it if -foffload is defaulted.
11589 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
11590 (compile_offload_image): If OFFLOAD_DEFAULTED and
11591 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
11592 if corresponding mkoffload can't be found.
11593 (compile_images_for_offload_targets): Likewise. Free and clear
11594 offload_names if no valid offload is found.
11595 * config.in: Regenerate.
11596 * configure: Regenerate.
11598 2021-04-28 Richard Biener <rguenther@suse.de>
11600 PR tree-optimization/100292
11601 * tree-vect-generic.c (expand_vector_condition): Do not fold
11604 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
11606 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
11607 * config/rs6000/aix64.opt (m64): New.
11610 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
11612 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
11613 (index_term_p): Handle ASHIFT too.
11615 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
11617 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
11618 (sync_lock_test_and_set<mode>): Adjust accordingly.
11619 (sync_lock_release<mode>): Likewise.
11621 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
11623 * config/vax/vax-protos.h (adjacent_operands_p): Remove
11625 * config/vax/vax.c (adjacent_operands_p): Remove.
11627 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
11629 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
11630 through to the non-conditional execution case if getting the
11631 condition for conditional execution has failed.
11633 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
11635 PR middle-end/100284
11636 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
11637 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
11638 than asserting on it.
11640 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
11642 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
11643 with TARGET_AIX_OS.
11645 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
11648 * calls.c (precompute_register_parameters): Additionally test
11649 targetm.precompute_tls_p to pre-compute argument.
11650 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
11651 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
11652 * target.def (precompute_tls_p): New.
11653 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
11654 * doc/tm.texi: Regenerated.
11656 2021-04-27 Jakub Jelinek <jakub@redhat.com>
11659 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
11660 back to HOST_WIDE_INT.
11662 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
11665 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
11666 memory alignment for the outer mode.
11668 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
11670 PR middle-end/90773
11671 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
11672 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
11674 2021-04-27 Alex Coplan <alex.coplan@arm.com>
11677 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
11678 with negative immediates: ensure we expand cbranchsi4_scratch
11679 correctly and ensure we satisfy its constraints.
11680 * config/arm/sync.md
11681 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
11682 attempt to tie two output operands together with constraints;
11683 collapse two alternatives.
11684 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
11685 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
11687 2021-04-27 Jakub Jelinek <jakub@redhat.com>
11690 * config/aarch64/predicates.md (aarch64_sub_immediate,
11691 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
11692 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
11693 * config/aarch64/aarch64.c (aarch64_print_operand,
11694 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
11696 2021-04-27 Jakub Jelinek <jakub@redhat.com>
11698 PR tree-optimization/100239
11699 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
11700 permutations with all indices from the first zero element as vec_shl.
11702 2021-04-27 Jakub Jelinek <jakub@redhat.com>
11704 PR rtl-optimization/100254
11705 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
11706 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
11708 2021-04-27 Richard Biener <rguenther@suse.de>
11710 PR tree-optimization/99912
11711 * passes.def: Add comment about new TODO_remove_unused_locals.
11712 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
11715 2021-04-27 Richard Biener <rguenther@suse.de>
11717 PR tree-optimization/99912
11718 * passes.def (pass_all_optimizations): Add pass_dse before
11719 the first pass_dce, move the first pass_dse before the
11720 pass_dce following pass_pre.
11722 2021-04-27 Jakub Jelinek <jakub@redhat.com>
11724 PR tree-optimization/95527
11725 * generic-match-head.c: Include tm.h.
11726 * gimple-match-head.c: Include tm.h.
11727 * match.pd (CLZ == INTEGER_CST): Don't use
11728 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
11729 if clz == CFN_CLZ. Add missing val declaration.
11730 (CTZ cmp CST): New simplifications.
11732 2021-04-27 Jakub Jelinek <jakub@redhat.com>
11734 PR tree-optimization/96696
11735 * expr.c (expand_expr_divmod): New function.
11736 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
11737 divisions. Formatting fixes.
11738 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
11741 2021-04-27 Martin Jambor <mjambor@suse.cz>
11744 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
11745 If removing a call statement LHS SSA name, release it.
11747 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
11750 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
11751 is valid before including it in the mask.
11753 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
11756 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
11759 2021-04-27 Richard Biener <rguenther@suse.de>
11761 PR tree-optimization/100051
11762 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
11763 disambiguator based on access size vs. decl size.
11765 2021-04-27 Richard Biener <rguenther@suse.de>
11767 PR tree-optimization/100278
11768 * tree-ssa-pre.c (compute_avail): Give up when we cannot
11769 adjust TBAA beacuse of mismatching bases.
11771 2021-04-27 Jakub Jelinek <jakub@redhat.com>
11774 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
11775 For any_rotate define_insn_split and following splitters, use
11776 SWI iterator instead of SWI48.
11778 2021-04-27 Richard Biener <rguenther@suse.de>
11780 PR tree-optimization/99776
11781 * match.pd (bit_field_ref (ctor)): Relax element extract
11782 type compatibility checks.
11784 2021-04-27 Cui,Lili <lili.cui@intel.com>
11786 * common/config/i386/i386-common.c (processor_names):
11787 Sync processor_names with processor_type.
11788 * config/i386/i386-options.c (processor_cost_table):
11789 Sync processor_cost_table with processor_type.
11791 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
11793 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
11794 (irange::set): Call irange_set_1bit_anti_range for handling all
11795 1-bit ranges. Fall through on ~[MIN,MAX].
11797 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
11799 * value-range.cc (irange::legacy_num_pairs): Remove.
11800 (irange::invert): Change gcc_assert to gcc_checking_assert.
11801 * value-range.h (irange::num_pairs): Adjust for a cached
11802 num_pairs(). Also, rename all gcc_assert's to
11803 gcc_checking_assert's.
11805 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
11807 * value-range.cc (irange::operator=): Set m_kind.
11808 (irange::copy_to_legacy): Handle varying and undefined sources
11809 as a legacy copy since they can be easily copied.
11810 (irange::irange_set): Set m_kind.
11811 (irange::irange_set_anti_range): Same.
11812 (irange::set): Rename normalize_min_max to normalize_kind.
11813 (irange::verify_range): Adjust for multi-ranges having the
11815 (irange::irange_union): Set m_kind.
11816 (irange::irange_intersect): Same.
11817 (irange::invert): Same.
11818 * value-range.h (irange::kind): Always return m_kind.
11819 (irange::varying_p): Rename to...
11820 (irange::varying_comptaible_p): ...this.
11821 (irange::undefined_p): Only look at m_kind.
11822 (irange::irange): Always set VR_UNDEFINED if applicable.
11823 (irange::set_undefined): Always set VR_UNDEFINED.
11824 (irange::set_varying): Always set m_kind to VR_VARYING.
11825 (irange::normalize_min_max): Rename to...
11826 (irange::normalize_kind): ...this.
11828 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
11830 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
11831 Adjust for constant_p including varying_p.
11832 * tree-vrp.c (vrp_prop::finalize): Same.
11833 (determine_value_range): Same.
11834 * vr-values.c (vr_values::range_of_expr): Same.
11835 * value-range.cc (irange::symbolic_p): Do not check varying_p.
11836 (irange::constant_p): Same.
11838 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
11840 * value-range.cc (irange::legacy_lower_bound): Replace
11841 !undefined_p check with num_ranges > 0.
11842 (irange::legacy_upper_bound): Same.
11843 * value-range.h (irange::type): Same.
11844 (irange::lower_bound): Same.
11845 (irange::upper_bound): Same.
11847 2021-04-26 Richard Biener <rguenther@suse.de>
11849 PR tree-optimization/99956
11850 * gimple-loop-interchange.cc (compute_access_stride):
11851 Try instantiating the access in a shallower loop nest
11852 if instantiating failed.
11853 (compute_access_strides): Pass adjustable loop_nest
11854 to compute_access_stride.
11856 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
11858 * doc/sourcebuild.texi (arm_cmse_hw): Document.
11860 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11862 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
11864 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
11865 Nathan Sidwell <nathan@codesourcery.com>
11866 Tom de Vries <vries@codesourcery.com>
11867 Julian Brown <julian@codesourcery.com>
11868 Kwok Cheung Yeung <kcy@codesourcery.com>
11870 * omp-offload.c (oacc_validate_dims): Implement
11871 '-Wopenacc-parallelism'.
11872 * doc/invoke.texi (-Wopenacc-parallelism): Document.
11874 2021-04-26 Richard Biener <rguenther@suse.de>
11876 * tree-cfg.h (gimplify_build1): Remove.
11877 (gimplify_build2): Likewise.
11878 (gimplify_build3): Likewise.
11879 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
11880 (gimplify_build2): Likewise.
11881 (gimplify_build3): Likewise.
11882 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
11884 (gimplify_build2): Likewise.
11885 (gimplify_build3): Likewise.
11886 (tree_vec_extract): Use resimplify with following SSA edges.
11887 (expand_vector_parallel): Avoid passing NULL size/bitpos
11888 to tree_vec_extract.
11889 * expr.c (store_constructor): Deal with zero-element CTORs.
11890 * match.pd (bit_field_ref <vector CTOR>): Make sure to
11891 produce vector constants when possible.
11893 2021-04-26 Richard Biener <rguenther@suse.de>
11895 * tree-complex.c: Include gimple-fold.h.
11896 (expand_complex_addition): Use gimple_build.
11897 (expand_complex_multiplication_components): Likewise.
11898 (expand_complex_multiplication): Likewise.
11899 (expand_complex_div_straight): Likewise.
11900 (expand_complex_div_wide): Likewise.
11901 (expand_complex_division): Likewise.
11902 (expand_complex_conjugate): Likewise.
11903 (expand_complex_comparison): Likewise.
11905 2021-04-26 Richard Biener <rguenther@suse.de>
11907 * tree-ssa-phiopt.c (two_value_replacement): Remove use
11908 of legacy gimplify_buildN API.
11910 2021-04-26 Richard Biener <rguenther@suse.de>
11912 PR tree-optimization/99473
11913 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
11916 2021-04-26 Richard Biener <rguenther@suse.de>
11918 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
11919 Use replace_call_with_value.
11921 2021-04-26 Richard Biener <rguenther@suse.de>
11923 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
11924 (update_gimple_call): Likewise.
11925 (update_call_from_tree): Likewise.
11926 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
11927 (valid_gimple_call_p): Likewise.
11928 (move_ssa_defining_stmt_for_defs): Likewise.
11929 (finish_update_gimple_call): Likewise.
11930 (update_gimple_call): Likewise.
11931 (update_call_from_tree): Likewise.
11932 (propagate_tree_value_into_stmt): Use replace_call_with_value.
11933 * gimple-fold.h (update_gimple_call): Declare.
11934 * gimple-fold.c (valid_gimple_rhs_p): Move here from
11935 tree-ssa-propagate.c.
11936 (update_gimple_call): Likewise.
11937 (valid_gimple_call_p): Likewise.
11938 (finish_update_gimple_call): Likewise, and simplify.
11939 (gimplify_and_update_call_from_tree): Implement
11940 update_call_from_tree functionality, avoid excessive
11941 push/pop_gimplify_context.
11942 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
11943 (gimple_fold_call): Likewise.
11944 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
11945 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
11946 (pass_fold_builtins::execute): Likewise.
11947 (optimize_stack_restore): Use replace_call_with_value.
11948 * tree-cfg.c (fold_loop_internal_call): Likewise.
11949 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
11950 only gimplify_and_update_call_from_tree.
11951 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
11952 (handle_builtin_strchr): Likewise.
11953 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
11955 2021-04-26 Jakub Jelinek <jakub@redhat.com>
11958 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
11959 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
11962 2021-04-25 liuhongt <hongtao.liu@intel.com>
11965 * config/i386/i386-builtin.def (BDESC): Change the icode of
11966 the following builtins to CODE_FOR_nothing.
11967 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
11968 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
11969 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
11970 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
11971 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
11972 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
11973 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
11974 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
11975 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
11976 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
11977 (sse2_eq<mode>3): Ditto.
11978 (sse4_1_eqv2di3): Ditto.
11979 (sse2_gt<mode>3): Rename to ..
11980 (*sse2_gt<mode>3): .. this.
11982 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
11985 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
11988 * config/darwin.c (darwin_binds_local_p): Assume that any
11989 public symbol might be interposed for PIC code. Update function
11990 header comment to reflect current Darwin capability.
11992 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
11995 * config/darwin.c (darwin_binds_local_p): Assume that any
11996 public symbol might be interposed for PIC code. Update function
11997 header comment to reflect current Darwin capability.
11999 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
12001 * doc/sourcebuild.texi: Document no-opts and any-opts target
12004 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
12006 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
12008 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
12010 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
12012 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
12015 * config/i386/i386-options.c (ix86_option_override_internal):
12016 Error out when -m96bit-long-double is used with 64bit targets.
12017 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
12019 2021-04-23 Martin Liska <mliska@suse.cz>
12021 * lto-wrapper.c: Remove FIXME about usage of
12022 hardware_concurrency. The function is not on par with
12025 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
12028 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
12029 Copy operand 3 to operand 4. Use sse_reg_operand
12030 as operand 3 predicate.
12031 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
12032 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
12033 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
12034 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
12035 Copy operand 1 to operand 0.
12036 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
12037 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
12038 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
12040 2021-04-23 Alex Coplan <alex.coplan@arm.com>
12042 PR rtl-optimization/100230
12043 * early-remat.c (early_remat::sort_candidates): Use delete[]
12044 instead of delete for array allocated with new[].
12046 2021-04-23 Richard Biener <rguenther@suse.de>
12048 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
12049 (capture_info::capture_info): Likewise.
12050 (capture_info::walk_match): Likewise.
12051 (expr::gen_transform): Likewise.
12052 (dt_simplify::gen_1): Likewise.
12053 * gimple-match-head.c (maybe_resimplify_conditional_op):
12054 Remove VEC_COND_EXPR special-casing.
12055 (gimple_simplify): Likewise.
12056 * gimple.c (gimple_could_trap_p_1): Adjust.
12057 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
12058 to participate in PRE.
12060 2021-04-23 Richard Biener <rguenther@suse.de>
12062 * cfganal.c (connect_infinite_loops_to_exit): First call
12063 add_noreturn_fake_exit_edges.
12064 * ipa-sra.c (process_scan_results): Do not call the now redundant
12065 add_noreturn_fake_exit_edges.
12066 * predict.c (tree_estimate_probability): Likewise.
12067 (rebuild_frequencies): Likewise.
12068 * store-motion.c (one_store_motion_pass): Likewise.
12070 2021-04-23 Richard Biener <rguenther@suse.de>
12072 PR tree-optimization/100222
12073 * predict.c (pass_profile::execute): Remove redundant call to
12074 mark_irreducible_loops.
12075 (report_predictor_hitrates): Likewise.
12077 2021-04-23 Richard Biener <rguenther@suse.de>
12079 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
12080 valid_gimple_rhs_p by instead gimplifying to one.
12082 2021-04-23 Richard Biener <rguenther@suse.de>
12084 PR tree-optimization/99971
12085 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
12086 Always use TBAA for loads.
12088 2021-04-23 liuhongt <hongtao.liu@intel.com>
12091 * config/i386/i386-options.c (ix86_option_override_internal):
12092 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
12093 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
12094 by target attribute.
12096 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
12098 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
12100 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
12102 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
12104 * config.gcc (powerpc-ibm-aix6.*): Remove.
12105 * config/rs6000/aix61.h: Delete.
12107 2021-04-22 Martin Liska <mliska@suse.cz>
12109 PR testsuite/100159
12110 PR testsuite/100192
12111 * builtins.c (expand_builtin): Fix typos and missing comments.
12112 * dwarf2out.c (gen_subprogram_die): Likewise.
12113 (gen_struct_or_union_type_die): Likewise.
12115 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
12118 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
12119 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
12121 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
12123 * config/i386/darwin.h (TARGET_64BIT): Remove definition
12124 based on TARGET_ISA_64BIT.
12125 (TARGET_64BIT_P): Remove definition based on
12126 TARGET_ISA_64BIT_P().
12128 2021-04-21 Martin Liska <mliska@suse.cz>
12131 2021-04-21 Martin Liska <mliska@suse.cz>
12133 * lto-wrapper.c (cpuset_popcount): Remove.
12134 (init_num_threads): Remove and use hardware_concurrency.
12136 2021-04-21 Martin Liska <mliska@suse.cz>
12139 * main.c (main): Call toplev::finalize in CHECKING_P mode.
12140 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
12141 when incremental LTO linking happens.
12143 2021-04-21 Martin Liska <mliska@suse.cz>
12145 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
12146 makeserver cannot be detected, then use -flto=N fallback.
12148 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
12150 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
12151 default to yes for aarch64-linux-gnu.
12152 * configure: Regenerate.
12154 2021-04-21 Martin Liska <mliska@suse.cz>
12156 * lto-wrapper.c (cpuset_popcount): Remove.
12157 (init_num_threads): Remove and use hardware_concurrency.
12159 2021-04-21 Martin Liska <mliska@suse.cz>
12161 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
12162 which remains to be '(... || 0)' and clang complains about it.
12163 * dwarf2out.c (AT_vms_delta): Declare conditionally.
12164 (add_AT_vms_delta): Likewise.
12165 * tree.c (fld_simplified_type): Use rather more common pattern
12166 for disabling of something (#if 0).
12167 (get_tree_code_name): Likewise.
12168 (verify_type_variant): Likewise.
12170 2021-04-21 Martin Liska <mliska@suse.cz>
12172 * config/i386/i386-expand.c (decide_alignment): Use newly named
12173 macro TARGET_CPU_P.
12174 * config/i386/i386.c (ix86_decompose_address): Likewise.
12175 (ix86_address_cost): Likewise.
12176 (ix86_lea_outperforms): Likewise.
12177 (ix86_avoid_lea_for_addr): Likewise.
12178 (ix86_add_stmt_cost): Likewise.
12179 * config/i386/i386.h (TARGET_*): Remove.
12180 (TARGET_CPU_P): New macro.
12181 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
12182 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
12183 (swap_top_of_ready_list): Likewise.
12184 (ix86_atom_sched_reorder): Likewise.
12185 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
12186 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
12188 2021-04-21 Martin Liska <mliska@suse.cz>
12190 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
12192 (SET_TARGET_NO_SAHF): Likewise.
12193 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
12194 (SET_TARGET_PREFETCH_SSE): Likewise.
12195 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
12196 (SET_TARGET_NO_TUNE): Likewise.
12197 (TARGET_EXPLICIT_NO_80387_P): Likewise.
12198 (SET_TARGET_NO_80387): Likewise.
12200 * config/i386/i386.h (TARGET_*): Remove.
12201 * opth-gen.awk: Generate new used macros.
12203 2021-04-21 Martin Liska <mliska@suse.cz>
12205 * config/i386/i386.h (PTA_*): Remove.
12206 (enum pta_flag): New.
12207 (DEF_PTA): Generate PTA_* values from i386-isa.def.
12208 * config/i386/i386-isa.def: New file.
12210 2021-04-21 Alex Coplan <alex.coplan@arm.com>
12213 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
12214 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
12215 jump table targets.
12217 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
12219 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
12220 x86_64-*-* targets.
12221 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
12223 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
12224 (ix86_handle_option): Handle -mmwait.
12225 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
12226 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
12227 __builtin_ia32_monitor and __builtin_ia32_mwait.
12228 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
12229 (ix86_valid_target_attribute_inner_p): Likewise.
12230 (ix86_option_override_internal): Enable mwait/monitor
12231 instructions for -msse3.
12232 * config/i386/i386.h (TARGET_MWAIT): New.
12233 (TARGET_MWAIT_P): Likewise.
12234 * config/i386/i386.opt: Add -mmwait.
12235 * config/i386/mwaitintrin.h: New file.
12236 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
12237 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
12239 (@sse3_monitor_<mode>): Likewise.
12240 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
12241 * doc/extend.texi: Document mwait target attribute.
12242 * doc/invoke.texi: Document -mmwait.
12244 2021-04-21 Martin Liska <mliska@suse.cz>
12246 * config/i386/i386-options.c (DEF_ENUM): Remove it.
12247 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
12248 * config/i386/stringop.def (DEF_ENUM): Likewise.
12250 2021-04-21 Martin Liska <mliska@suse.cz>
12252 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
12253 of print_generic_expr.
12255 2021-04-21 Jakub Jelinek <jakub@redhat.com>
12257 PR rtl-optimization/100148
12258 * cprop.c (constprop_register): Use next_nondebug_insn instead of
12261 2021-04-21 Martin Liska <mliska@suse.cz>
12264 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
12265 free_dominance_info calls.
12267 2021-04-21 Richard Biener <rguenther@suse.de>
12269 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
12270 parameter (and assume it to be false).
12271 (fold_gimple_assign): Adjust, remove all callers of
12272 maybe_fold_reference calling it with is_lhs true.
12273 (gimple_fold_call): Likewise.
12274 (fold_stmt_1): Likewise.
12276 2021-04-21 Richard Biener <rguenther@suse.de>
12278 * fold-const.c (pedantic_non_lvalue_loc): Remove.
12279 (fold_binary_loc): Adjust.
12280 (fold_ternary_loc): Likewise.
12282 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
12284 PR middle-end/100130
12285 * varasm.c (get_block_for_decl): Make sure that any use of the
12286 retain attribute matches the section's retain flag.
12287 (switch_to_section): Check for retain mismatches even when
12288 changing sections, but do not warn if the given decl is the
12289 section's named.decl.
12290 (output_object_block): Pass the first decl in the block (if any)
12291 to switch_to_section.
12293 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
12295 * config/i386/i386-c.c (ix86_target_macros_internal): Define
12296 __CRC32__ for -mcrc32.
12297 * config/i386/i386-options.c (ix86_option_override_internal):
12298 Enable crc32 instruction for -msse4.2.
12299 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
12301 (sse4_2_crc32di): Likewise.
12302 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
12305 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
12308 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
12311 2021-04-20 Martin Liska <mliska@suse.cz>
12313 * doc/invoke.texi: Fix typo.
12314 * params.opt: Likewise.
12316 2021-04-20 Martin Liska <mliska@suse.cz>
12318 * doc/invoke.texi: Document new param.
12320 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
12322 PR tree-optimization/100081
12323 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
12324 rather than gori_compute_cache.
12325 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
12326 (range_def_chain::m_logical_depth): New member.
12327 (range_def_chain::range_def_chain): Initialize m_logical_depth.
12328 (range_def_chain::get_def_chain): Don't build defchains through more
12329 than LOGICAL_LIMIT logical expressions.
12330 * params.opt (param_ranger_logical_depth): New.
12332 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
12335 * config/arm/arm.c (arm_configure_build_target): Do not strip
12336 extended FPU/SIMD feature bits from the target ISA when -mfpu
12337 is specified (partial revert of r11-8168).
12339 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
12341 * params.opt (-param=openacc-kernels=): Add.
12342 * omp-oacc-kernels-decompose.cc
12343 (pass_omp_oacc_kernels_decompose::gate): Use it.
12344 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
12345 (--param): ... here, 'openacc-kernels'.
12347 2021-04-19 Martin Liska <mliska@suse.cz>
12350 * gengtype.c (finish_root_table): Align function arguments
12351 in between declaration and definition.
12353 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
12355 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
12356 frames larger than the SEH maximum frame size.
12358 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
12360 PR rtl-optimization/99927
12361 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
12362 is dead, just drop it.
12364 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
12367 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
12368 * doc/tm.texi: Regenerate.
12369 * doc/tm.texi.in (D language and ABI): Add @hook for
12370 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
12372 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
12374 * config/darwin-d.c (darwin_d_handle_target_object_format): New
12376 (darwin_d_register_target_info): New function.
12377 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
12378 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
12380 (dragonfly_d_register_target_info): New function.
12381 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
12382 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
12384 (freebsd_d_register_target_info): New function.
12385 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
12386 * config/glibc-d.c (glibc_d_handle_target_object_format): New
12388 (glibc_d_register_target_info): New function.
12389 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
12390 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
12392 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
12393 as handler for objectFormat key.
12394 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
12396 (winnt_d_register_target_info): New function.
12397 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
12398 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
12400 (netbsd_d_register_target_info): New function.
12401 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
12402 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
12404 (openbsd_d_register_target_info): New function.
12405 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
12406 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
12407 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
12408 handler for objectFormat key.
12409 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
12411 (rs6000_d_register_target_info): Add
12412 rs6000_d_handle_target_object_format as handler for objectFormat key.
12413 * config/sol2-d.c (solaris_d_handle_target_object_format): New
12415 (solaris_d_register_target_info): New function.
12416 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
12418 2021-04-16 Jakub Jelinek <jakub@redhat.com>
12421 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
12422 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
12424 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
12425 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
12426 the old and new alignment after applying MIN/MAX to it is different.
12428 2021-04-16 Tamar Christina <tamar.christina@arm.com>
12431 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
12432 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
12434 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
12436 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
12438 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
12439 this section and its subsections.
12441 2021-04-16 Jakub Jelinek <jakub@redhat.com>
12444 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
12445 define_insn patterns.
12447 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
12449 PR rtl-optimization/98689
12450 * reg-notes.def (UNTYPED_CALL): New note.
12451 * combine.c (distribute_notes): Handle it.
12452 * emit-rtl.c (try_split): Likewise.
12453 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
12454 that calls with the note implicitly set all return value registers.
12455 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
12458 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
12460 PR rtl-optimization/99596
12461 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
12462 register accesses for const calls. Assume that pure functions
12463 can only read from global registers. Ignore cases in which
12464 the stack pointer has been marked global.
12466 2021-04-16 Jakub Jelinek <jakub@redhat.com>
12469 * tree-vect-loop.c (vect_transform_loop): Don't remove just
12470 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
12471 them by their last argument.
12473 2021-04-15 Martin Liska <mliska@suse.cz>
12475 * doc/invoke.texi: Other params don't use it, remove it.
12477 2021-04-15 Richard Biener <rguenther@suse.de>
12479 * gimple-builder.h: Add deprecation note.
12481 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
12484 * attribs.h (restrict_type_identity_attributes_to): Declare.
12485 * attribs.c (restrict_type_identity_attributes_to): New function.
12487 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
12490 * attribs.h (affects_type_identity_attributes): Declare.
12491 * attribs.c (remove_attributes_matching): New function.
12492 (affects_type_identity_attributes): Likewise.
12494 2021-04-15 Jakub Jelinek <jakub@redhat.com>
12497 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
12498 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
12499 ZERO_EXTEND, SIGN_EXTEND or AND.
12501 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
12503 PR rtl-optimization/99929
12504 * rtl.h (same_vector_encodings_p): New function.
12505 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
12506 * cselib.c (rtx_equal_for_cselib_1): Likewise.
12507 * jump.c (rtx_renumbered_equal_p): Likewise.
12508 * lra-constraints.c (operands_match_p): Likewise.
12509 * reload.c (operands_match_p): Likewise.
12510 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
12512 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
12514 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
12515 more information about variable-length CONST_VECTORs.
12517 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
12519 PR rtl-optimization/100066
12520 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
12521 ordered modes when choosing splitting mode for hard reg.
12523 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
12526 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
12528 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
12530 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
12532 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
12533 for mask operand types.
12534 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
12535 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
12537 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
12539 * config/s390/s390.c (s390_const_operand_ok): Check the new
12540 operand types and generate a list of valid values.
12542 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
12544 * doc/tm.texi: Regenerate.
12545 * doc/tm.texi.in (D language and ABI): Add @hook for
12546 TARGET_D_REGISTER_OS_TARGET_INFO.
12548 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
12550 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
12552 (aarch64_d_register_target_info): New function.
12553 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
12555 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
12557 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
12558 (arm_d_register_target_info): New function.
12559 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
12560 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
12561 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
12562 (ix86_d_register_target_info): New function.
12563 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
12564 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
12565 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
12566 (mips_d_register_target_info): New function.
12567 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
12568 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
12569 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
12570 (pa_d_register_target_info): New function.
12571 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
12572 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
12573 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
12575 (riscv_d_register_target_info): New function.
12576 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
12577 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
12578 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
12580 (rs6000_d_register_target_info): New function.
12581 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
12583 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
12584 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
12585 (s390_d_register_target_info): New function.
12586 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
12587 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
12588 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
12590 (sparc_d_register_target_info): New function.
12591 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
12592 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
12593 * doc/tm.texi: Regenerate.
12594 * doc/tm.texi.in (D language and ABI): Add @hook for
12595 TARGET_D_REGISTER_CPU_TARGET_INFO.
12597 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
12599 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
12600 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
12601 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
12602 * doc/tm.texi: Regenerate.
12603 * doc/tm.texi.in (D language and ABI): Add @hook for
12604 TARGET_D_HAS_STDCALL_CONVENTION.
12606 2021-04-14 Richard Biener <rguenther@suse.de>
12608 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
12609 VEC_COND_EXPRs have a gimple_val condition.
12610 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
12611 can no longer have a GENERIC condition.
12613 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
12616 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
12617 from the isa_delta when -mfpu has been used.
12618 (arm_options_perform_arch_sanity_checks): It's the architecture that
12619 lacks an FPU not the processor.
12621 2021-04-13 Richard Biener <rguenther@suse.de>
12623 PR tree-optimization/100053
12624 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
12625 not use optimistic dominance queries for backedges to validate
12627 (dominated_by_p_w_unex): Add parameter to ignore executable
12628 state on backedges.
12629 (rpo_elim::eliminate_avail): Adjust.
12631 2021-04-13 Jakub Jelinek <jakub@redhat.com>
12634 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
12635 *aarch64_bfxilsi_extrdi): New define_insn patterns.
12637 2021-04-13 Jakub Jelinek <jakub@redhat.com>
12640 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
12641 outermode, return NULL if the result doesn't encode back to the
12642 original byte sequence.
12643 (simplify_gen_subreg): Don't create SUBREGs from constants to
12644 MODE_COMPOSITE_P outermode.
12646 2021-04-12 Jakub Jelinek <jakub@redhat.com>
12648 PR rtl-optimization/99905
12649 * combine.c (expand_compound_operation): If pos + len > modewidth,
12650 perform the right shift by pos in inner_mode and then convert to mode,
12651 instead of trying to simplify a shift of rtx with inner_mode by pos
12652 as if it was a shift in mode.
12654 2021-04-12 Jakub Jelinek <jakub@redhat.com>
12657 * combine.c (simplify_and_const_int_1): Don't optimize varop
12658 away if it has side-effects.
12660 2021-04-12 Martin Liska <mliska@suse.cz>
12662 * doc/extend.texi: Escape @smallexample content.
12664 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
12666 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
12667 alternative in order to load a DFP zero.
12669 2021-04-12 Martin Liska <mliska@suse.cz>
12671 * doc/extend.texi: Be more precise in documentation
12672 of symver attribute.
12674 2021-04-12 Martin Liska <mliska@suse.cz>
12677 * gimplify.c (gimplify_expr): Right now, we unpoison all
12678 variables before a goto <dest>. We should not do it if we are
12681 2021-04-12 Cui,Lili <lili.cui@intel.com>
12683 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
12685 * common/config/i386/i386-common.c (processor_names): Add
12687 (processor_alias_table): Add rocketlake.
12688 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
12689 INTEL_COREI7_ROCKETLAKE.
12690 * config.gcc: Add -march=rocketlake.
12691 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
12693 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
12694 (processor_cost_table): Add rocketlake cost.
12695 * config/i386/i386.h (ix86_size_cost) : Define
12697 (processor_type) : Add PROCESSOR_ROCKETLAKE.
12698 (PTA_ROCKETLAKE): Ditto.
12699 * doc/extend.texi: Add rocketlake.
12700 * doc/invoke.texi: Add rocketlake.
12702 2021-04-12 Cui,Lili <lili.cui@intel.com>
12704 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
12705 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
12706 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
12707 * doc/invoke.texi: Change alderlake ISA list.
12709 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
12711 PR middle-end/98088
12712 * omp-expand.c (expand_oacc_collapse_init): Update condition in
12715 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
12718 * config/i386/serializeintrin.h (_serialize): Defined as macro.
12720 2021-04-10 Jakub Jelinek <jakub@redhat.com>
12723 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
12724 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
12726 2021-04-10 Jakub Jelinek <jakub@redhat.com>
12728 PR middle-end/99989
12729 * gimple-ssa-warn-alloca.c
12730 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
12731 0 with integer precision unconditionally.
12733 2021-04-10 Jakub Jelinek <jakub@redhat.com>
12735 PR rtl-optimization/98601
12736 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
12737 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
12738 unaligned_mems handle VOIDmode like BLKmode.
12740 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
12743 * tree.c (free_lang_data_in_decl): Do not release body of
12744 declare_variant_alt.
12746 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
12748 * config/aarch64/aarch64.c (aarch64_option_restore): If the
12749 architecture was specified explicitly and the tuning wasn't,
12750 tune for the architecture rather than the configured default CPU.
12752 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
12754 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
12755 as the temporary register.
12757 2021-04-09 Martin Liska <mliska@suse.cz>
12759 * doc/extend.texi: Move non-target attributes on the top level.
12761 2021-04-09 Martin Liska <mliska@suse.cz>
12763 * doc/invoke.texi: Document minimum and maximum value of the
12764 argument for both supported compression algorithms.
12766 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
12768 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
12769 TLS BSS before TLS data.
12770 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
12772 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
12774 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
12776 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
12778 * match.pd: Extend vec_cond folds to handle shifts.
12780 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
12782 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
12785 2021-04-08 Alex Coplan <alex.coplan@arm.com>
12788 * config/arm/iterators.md (MVE_vecs): New.
12789 (V_elem): Also handle V2DF.
12790 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
12791 (*mve_vdup<mode>): ... this. Remove second alternative since
12792 vec_duplicate of const_int is not canonical RTL, and we don't
12793 want to match symbol_refs.
12794 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
12796 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
12798 * fold-const.c (fold_single_bit_test): Fix typo.
12799 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
12802 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
12804 PR tree-optimization/97513
12805 * tree-vect-slp.c (vect_add_slp_permutation): New function,
12807 (vectorizable_slp_permutation): ...here. Detect cases in which
12808 all VEC_PERM_EXPRs are guaranteed to have the same stepped
12809 permute vector and only generate one permute vector for that case.
12810 Extend that case to handle variable-length vectors.
12812 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
12814 PR tree-optimization/99873
12815 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
12816 (vect_build_slp_instance): Don't split store groups that could
12817 use IFN_STORE_LANES.
12819 2021-04-07 Jakub Jelinek <jakub@redhat.com>
12822 * varasm.c (output_constant_pool_contents): Don't strip name encoding
12823 from XSTR (desc->sym, 0) or from label before passing those to
12826 2021-04-07 Richard Biener <rguenther@suse.de>
12828 PR tree-optimization/99954
12829 * tree-loop-distribution.c: Include tree-affine.h.
12830 (generate_memcpy_builtin): Try using tree-affine to prove
12832 (loop_distribution::classify_builtin_ldst): Always classify
12835 2021-04-07 Richard Biener <rguenther@suse.de>
12837 PR tree-optimization/99947
12838 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
12839 steps vector to avoid pushing elements from the reallocated
12842 2021-04-07 Richard Biener <rguenther@suse.de>
12844 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
12845 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
12847 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
12849 (debug_vn_reference_ops): New.
12851 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
12853 PR tree-optimization/98736
12854 * tree-loop-distribution.c
12855 * (loop_distribution::bb_top_order_init):
12856 Compute RPO with programing order preserved by calling function
12857 rev_post_order_and_mark_dfs_back_seme.
12859 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
12862 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
12863 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
12865 (process_bb_lives): Don't update biggest mode of hard reg for
12866 implicit in multi-register group. Use the new functions for
12867 updating dead_set and unused_set by register notes.
12869 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
12871 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
12874 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
12876 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
12877 (skylake_memset): Likewise.
12878 (skylake_cost): Change CLEAR_RATIO to 17.
12879 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
12880 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
12881 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
12883 2021-04-06 Richard Biener <rguenther@suse.de>
12885 PR tree-optimization/99880
12886 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
12887 set vectorized defs of relevant PHIs.
12889 2021-04-06 Richard Biener <rguenther@suse.de>
12891 PR tree-optimization/99924
12892 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
12893 nodes w/o scalar stmts as visited.
12895 2021-04-06 Alex Coplan <alex.coplan@arm.com>
12898 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
12899 PCS for [su]fix_optab.
12901 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
12903 * config/darwin.c (machopic_legitimize_pic_address): Check
12904 that the current pic register is one of the hard reg set
12905 before setting liveness.
12907 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
12909 * config/darwin.c (machopic_legitimize_pic_address): Fix
12910 whitespace, remove unused code.
12912 2021-04-03 Jakub Jelinek <jakub@redhat.com>
12914 PR tree-optimization/99882
12915 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
12918 2021-04-03 Jakub Jelinek <jakub@redhat.com>
12920 PR rtl-optimization/99863
12921 * dse.c (replace_read): Drop regs_live argument. Instead of
12922 regs_live, use store_insn->fixed_regs_live if non-NULL,
12923 otherwise punt if insns sequence clobbers or sets any hard
12926 2021-04-03 Jakub Jelinek <jakub@redhat.com>
12929 * targhooks.h (default_print_patchable_function_entry_1): Declare.
12930 * targhooks.c (default_print_patchable_function_entry_1): New function,
12931 copied from default_print_patchable_function_entry with an added flags
12933 (default_print_patchable_function_entry): Rewritten into a small
12934 wrapper around default_print_patchable_function_entry_1.
12935 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
12937 (rs6000_print_patchable_function_entry): New function.
12939 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
12941 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
12943 2021-04-01 Jason Merrill <jason@redhat.com>
12946 * common.opt: Document v15 and v16.
12948 2021-04-01 Richard Biener <rguenther@suse.de>
12950 PR tree-optimization/99863
12951 * gimplify.c (gimplify_init_constructor): Recompute vector
12954 2021-04-01 Jakub Jelinek <jakub@redhat.com>
12956 * doc/extend.texi (symver attribute): Fix up syntax errors
12959 2021-04-01 Jakub Jelinek <jakub@redhat.com>
12961 PR tree-optimization/96573
12962 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
12963 also pointer types.
12965 2021-04-01 Richard Biener <rguenther@suse.de>
12967 PR tree-optimization/99856
12968 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
12969 precision to vector element precision.
12971 2021-04-01 Martin Jambor <mjambor@suse.cz>
12973 PR tree-optimization/97009
12974 * tree-sra.c (access_or_its_child_written): New function.
12975 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
12978 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
12981 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
12983 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
12986 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
12987 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
12988 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
12989 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
12990 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
12991 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
12993 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
12994 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
12995 (define_attr "prefixed"): Update initializer.
12997 2021-03-31 Jakub Jelinek <jakub@redhat.com>
13000 * dwarf2out.c (debug_ranges_dwo_section): New variable.
13001 (DW_RANGES_IDX_SKELETON): Define.
13002 (struct dw_ranges): Add begin_entry and end_entry members.
13003 (DEBUG_DWO_RNGLISTS_SECTION): Define.
13004 (add_ranges_num): Adjust r initializer for addition of *_entry
13006 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
13007 set idx to DW_RANGES_IDX_SKELETON.
13008 (use_distinct_base_address_for_range): New function.
13009 (index_rnglists): Don't set r->idx if it is equal to
13010 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
13011 r->end_entry for -gsplit-dwarf if those will be needed by
13013 (output_rnglists): Add DWO argument. If true, switch to
13014 debug_ranges_dwo_section rather than debug_ranges_section.
13015 Adjust l1/l2 label indexes. Only output the offset table when
13016 dwo is true and don't include in there the skeleton range
13017 entry if present. For -gsplit-dwarf, skip ranges that belong
13018 to the other rnglists section. Change return type from void
13019 to bool and return true if there are any range entries for
13020 the other section. For dwarf_split_debug_info use
13021 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
13022 entries instead of DW_RLE_start_end, DW_RLE_start_length and
13023 DW_RLE_base_address. Use use_distinct_base_address_for_range.
13024 (init_sections_and_labels): Initialize debug_ranges_dwo_section
13025 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
13026 and range_base_label indexes.
13027 (dwarf2out_finish): Call index_rnglists earlier before finalizing
13028 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
13029 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
13030 with different dwo arguments.
13031 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
13033 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
13035 PR tree-optimization/98268
13036 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
13037 recompute_tree_invariant_for_addr_expr after successfully
13038 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
13040 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
13042 PR tree-optimization/99726
13043 * tree-data-ref.c (create_intersect_range_checks_index): Bail
13044 out if there is more than one access function SCEV for the loop
13047 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
13049 PR rtl-optimization/97141
13050 PR rtl-optimization/98726
13051 * emit-rtl.c (valid_for_const_vector_p): Return true for
13053 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
13054 poly_wide_int instead of a wide_int.
13055 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
13057 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
13058 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
13059 false for CONST_VECTORs that cannot be forced to memory.
13060 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
13061 is too complex to force to memory, build it up from individual
13064 2021-03-31 Jan Hubicka <jh@suse.cz>
13067 * cgraph.c (cgraph_node::release_body): Fix overactive check.
13069 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
13072 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
13075 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
13077 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
13078 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
13080 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
13081 "rep movsb/stosb" only for known sizes.
13082 * config/i386/i386-options.c (processor_cost_table): Use Ice
13083 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
13084 Rapids and Alder Lake.
13085 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
13086 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
13087 (icelake_memset): Likewise.
13088 (icelake_cost): Likewise.
13089 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
13092 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
13095 * config/aarch64/aarch64.c
13096 (aarch64_vectorize_preferred_vector_alignment): Query the size
13097 of the provided SVE vector; do not assume that all SVE vectors
13098 have the same size.
13100 2021-03-31 Jan Hubicka <jh@suse.cz>
13103 * cgraph.c (cgraph_node::release_body): Remove all callers and
13105 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
13106 * cgraphunit.c (cgraph_node::expand): And here.
13108 2021-03-31 Martin Liska <mliska@suse.cz>
13110 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
13111 and one negated condition.
13113 2021-03-31 Jakub Jelinek <jakub@redhat.com>
13114 Richard Sandiford <richard.sandiford@arm.com>
13117 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
13118 constraints on operands[2] and similarly 0 and rk constraints
13119 on operands[1] corresponding to that.
13121 2021-03-31 Jakub Jelinek <jakub@redhat.com>
13124 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
13125 linker doesn't support DWARF sections new in DWARF5.
13126 * config/i386/i386-options.c (ix86_option_override_internal): Default
13127 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
13129 * config.in: Regenerated.
13130 * configure: Regenerated.
13132 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13135 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
13136 available issue_info before using it.
13138 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13141 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
13144 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
13147 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
13148 (altivec_lvsl_reg_<mode>): ... this.
13149 (altivec_lvsr_reg): Change to ...
13150 (altivec_lvsr_reg_<mode>): ... this.
13151 * config/rs6000/predicates.md (vec_set_index_operand): New.
13152 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13153 Enable 32bit variable vec_insert for all TARGET_VSX.
13154 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
13155 Enable 32bit variable vec_insert for p9 and above.
13156 (rs6000_expand_vector_set_var_p8): Rename to ...
13157 (rs6000_expand_vector_set_var_p7): ... this.
13158 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
13160 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
13161 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
13162 gen_altivec_lvsr_reg_di.
13164 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
13167 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
13168 (__rdtscp): Likewise.
13170 2021-03-30 Tamar Christina <tamar.christina@arm.com>
13172 PR tree-optimization/99825
13173 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
13174 Reject non-mult 2 lanes.
13176 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
13179 * config/arm/arm.c (arm_file_start): Fix emission of
13180 Tag_ABI_VFP_args attribute.
13182 2021-03-30 Richard Biener <rguenther@suse.de>
13184 PR tree-optimization/99824
13185 * stor-layout.c (set_min_and_max_values_for_integral_type):
13186 Assert the precision is within the bounds of
13187 WIDE_INT_MAX_PRECISION.
13188 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
13189 the outermost component ref only to lower the access size
13190 and initialize that from the access type.
13192 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
13195 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
13196 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
13198 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
13200 * config/aarch64/aarch64.md
13201 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
13202 attribute to disambiguate between SIMD and FP variants of the
13205 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
13207 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
13208 (analyze_ssa_name_flags): Fix typo in comment.
13210 2021-03-29 Alex Coplan <alex.coplan@arm.com>
13213 * config/aarch64/aarch64-sve-builtins.cc
13214 (function_builder::add_function): Add placeholder_p argument, use
13215 placeholder decls if this is set.
13216 (function_builder::add_unique_function): Instead of conditionally adding
13217 direct overloads, unconditionally add either a direct overload or a
13219 (function_builder::add_overloaded_function): Set placeholder_p if we're
13220 using C++ overloads. Use the obstack for string storage instead
13221 of relying on the tree nodes.
13222 (function_builder::add_overloaded_functions): Don't return early for
13223 m_direct_overloads: we need to add placeholders.
13224 * config/aarch64/aarch64-sve-builtins.h
13225 (function_builder::add_function): Add placeholder_p argument.
13227 2021-03-29 Richard Biener <rguenther@suse.de>
13229 PR tree-optimization/99807
13230 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
13231 assert below VEC_PERM handling.
13233 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13236 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
13237 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
13238 matching const_int 0.
13239 (move_lo_quad_internal_be_<mode>): Likewise.
13240 (move_lo_quad_<mode>): Update for the above.
13241 * config/aarch64/iterators.md (VQ_2E): Delete.
13243 2021-03-29 Jakub Jelinek <jakub@redhat.com>
13245 PR tree-optimization/99777
13246 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
13247 types other than scalar integral types.
13249 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
13251 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
13252 XCOFF TLS reloc decorations.
13254 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
13256 * doc/analyzer.texi (Analyzer Internals): Update link to
13257 "A Memory Model for Static Analysis of C Programs".
13259 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
13261 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
13262 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
13264 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
13265 (rs6000_special_round_type_align): Recursively check innermost first
13268 2021-03-26 Jakub Jelinek <jakub@redhat.com>
13271 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
13272 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
13273 assignment with drap_reg active, queue reg save for hfp with offset 0
13274 and flush queued reg saves. When handling a push with rule18,
13275 defer queueing reg save for hfp and just assert the offset is 0.
13276 (scan_trace): Assert that fde->rule18 is false.
13278 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
13281 * ira-costs.c (record_reg_classes): Put case with
13282 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
13283 * ira.c (ira_setup_alts): Ditto.
13284 * lra-constraints.c (process_alt_operands): Ditto.
13285 * recog.c (asm_operand_ok): Ditto.
13286 * reload.c (find_reloads): Ditto.
13288 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13290 * config/aarch64/aarch64-protos.h
13291 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
13292 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
13293 * config/aarch64/aarch64.c (generic_addrcost_table): Update
13294 accordingly, using the same costs as for post_modify.
13295 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
13296 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
13297 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
13298 (a64fx_addrcost_table): Likewise.
13299 (neoversev1_addrcost_table): New.
13300 (neoversev1_tunings): Use neoversev1_addrcost_table.
13301 (aarch64_address_cost): Use the new post_modify costs for CImode
13304 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13306 * config/aarch64/aarch64.opt
13307 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
13308 * doc/invoke.texi: Document it.
13309 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
13310 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
13311 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
13312 (aarch64_vec_issue_info): New structures.
13313 (cpu_vector_cost): Write comments above the variables rather
13315 (cpu_vector_cost::issue_info): New member variable.
13316 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
13317 and tree-ssa-loop-niter.h.
13318 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
13319 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
13320 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
13321 (thunderx3t110_vector_cost): Initialize issue_info to null.
13322 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
13323 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
13324 (neoversev1_vector_cost): Use them.
13325 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
13326 (aarch64_vector_costs::saw_sve_only_op): New member variable.
13327 (aarch64_vector_costs::num_vector_iterations): Likewise.
13328 (aarch64_vector_costs::scalar_ops): Likewise.
13329 (aarch64_vector_costs::advsimd_ops): Likewise.
13330 (aarch64_vector_costs::sve_ops): Likewise.
13331 (aarch64_vector_costs::seen_loads): Likewise.
13332 (aarch64_simd_vec_costs_for_flags): New function.
13333 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
13334 Count the number of predicate operations required by SVE WHILE
13336 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
13337 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
13338 (aarch64_count_ops): Likewise.
13339 (aarch64_add_stmt_cost): Record whether see an SVE operation
13340 that cannot currently be implementing using Advanced SIMD.
13341 Record issue information about the scalar, Advanced SIMD
13342 and (where relevant) SVE versions of a loop.
13343 (aarch64_vec_op_count::dump): New function.
13344 (aarch64_sve_op_count::dump): Likewise.
13345 (aarch64_estimate_min_cycles_per_iter): Likewise.
13346 (aarch64_adjust_body_cost): If issue information is available,
13347 try to compare the issue rates of the various loop implementations
13348 and increase or decrease the vector body cost accordingly.
13350 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13352 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
13353 Assume a zero cost for induction phis.
13355 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13357 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
13359 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
13360 vector comparisons.
13362 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13364 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
13366 (aarch64_add_stmt_cost): Call it.
13368 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13370 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
13371 New tuning parameter.
13372 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
13373 (aarch64_estimated_sve_vq): New function.
13374 (aarch64_vector_costs::analyzed_vinfo): New member variable.
13375 (aarch64_vector_costs::is_loop): Likewise.
13376 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
13377 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
13378 (aarch64_record_potential_advsimd_unrolling): New function.
13379 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
13380 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
13381 aarch64_analyze_bb_vinfo on the first use of a costs structure.
13382 Detect whether we're vectorizing a loop for SVE that might be
13383 completely unrolled if it used Advanced SIMD instead.
13384 (aarch64_adjust_body_cost_for_latency): New function.
13385 (aarch64_finish_cost): Call it.
13387 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13389 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
13390 (aarch64_init_cost): New function.
13391 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
13392 the default unsigned[3].
13393 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
13394 (TARGET_VECTORIZE_INIT_COST): Override.
13395 (TARGET_VECTORIZE_FINISH_COST): Likewise.
13396 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
13398 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13400 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
13401 (neoversev1_sve_vector_cost): New cost structures.
13402 (neoversev1_vector_cost): Likewise.
13403 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
13405 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13407 * config/aarch64/aarch64-protos.h
13408 (sve_vec_cost::scatter_store_elt_cost): New member variable.
13409 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
13410 accordingly, taking the cost from the cost of a scalar_store.
13411 (a64fx_sve_vector_cost): Likewise.
13412 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
13414 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13416 * config/aarch64/aarch64-protos.h
13417 (simd_vec_cost::store_elt_extra_cost): New member variable.
13418 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
13419 accordingly, using the vec_to_scalar cost for the new field.
13420 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
13421 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
13422 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
13423 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
13424 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
13425 (thunderx3t110_advsimd_vector_cost): Likewise.
13426 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
13428 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13430 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
13431 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
13432 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
13433 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
13434 accordingly, using zero for the new costs.
13435 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
13436 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
13437 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
13438 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
13439 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
13440 (thunderx3t110_advsimd_vector_cost): Likewise.
13441 (aarch64_ld234_st234_vectors): New function.
13442 (aarch64_adjust_stmt_cost): Likewise.
13443 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
13444 the new vector costs.
13446 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13448 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
13449 derived class of simd_vec_cost. Add information about CLAST[AB]
13450 and FADDA instructions.
13451 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
13452 accordingly, using the vec_to_scalar costs for the new fields.
13453 (a64fx_sve_vector_cost): Likewise.
13454 (aarch64_reduc_type): New function.
13455 (aarch64_sve_in_loop_reduction_latency): Likewise.
13456 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
13457 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
13458 that occur in the loop body.
13459 (aarch64_add_stmt_cost): Update call accordingly.
13461 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
13463 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
13465 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
13466 above the fields rather than to the right.
13467 (simd_vec_cost::reduc_i8_cost): New member variable.
13468 (simd_vec_cost::reduc_i16_cost): Likewise.
13469 (simd_vec_cost::reduc_i32_cost): Likewise.
13470 (simd_vec_cost::reduc_i64_cost): Likewise.
13471 (simd_vec_cost::reduc_f16_cost): Likewise.
13472 (simd_vec_cost::reduc_f32_cost): Likewise.
13473 (simd_vec_cost::reduc_f64_cost): Likewise.
13474 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
13475 accordingly, using the vec_to_scalar_cost for the new fields.
13476 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
13477 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
13478 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
13479 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
13480 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
13481 (thunderx3t110_advsimd_vector_cost): Likewise.
13482 (aarch64_use_new_vector_costs_p): New function.
13483 (aarch64_simd_vec_costs): New function, split out from...
13484 (aarch64_builtin_vectorization_cost): ...here.
13485 (aarch64_is_reduction): New function.
13486 (aarch64_detect_vector_stmt_subtype): Likewise.
13487 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
13488 using the new vector costs.
13490 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
13493 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
13494 TLS declarations as public.
13496 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
13498 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
13499 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
13500 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
13501 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
13502 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
13503 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
13504 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
13505 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
13506 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
13508 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
13511 * config.gcc (*-*-cygwin*): Add winnt-d.o
13512 (*-*-mingw*): Likewise.
13513 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
13514 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
13515 * config/i386/t-cygming: Add winnt-d.o.
13516 * config/i386/winnt-d.c: New file.
13518 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
13520 * config/freebsd-d.c: Include memmodel.h.
13522 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
13525 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
13526 * config/t-openbsd: Add openbsd-d.o.
13527 * config/openbsd-d.c: New file.
13529 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
13531 PR tree-optimization/96974
13532 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
13533 with graceful exit.
13535 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
13538 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
13542 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
13543 always_inline in system headers.
13545 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
13547 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
13549 2021-03-25 Jakub Jelinek <jakub@redhat.com>
13552 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
13553 * fold-const.c (operand_compare::operand_equal_p): Don't compare
13554 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
13556 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
13560 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
13561 always_inline in system headers.
13563 2021-03-25 Richard Biener <rguenther@suse.de>
13565 PR tree-optimization/99746
13566 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
13567 the scalar stmt as patterned. Instead set up required things
13570 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
13572 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
13575 2021-03-24 Martin Liska <mliska@suse.cz>
13578 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
13580 * config/i386/i386-options.c (ix86_option_override_internal):
13581 Add run-time assert.
13583 2021-03-24 Martin Jambor <mjambor@suse.cz>
13586 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
13587 parameters with unknown type.
13588 (ipacp_value_safe_for_type): New function.
13589 (propagate_vals_across_arith_jfunc): Verify that the constant type
13590 can be used for a type of the formal parameter.
13591 (propagate_vals_across_ancestor): Likewise.
13592 (propagate_scalar_across_jump_function): Likewise. Pass the type
13593 also to propagate_vals_across_ancestor.
13595 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
13598 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
13600 (movmisalign<mode>_mve_load): Likewise.
13602 2021-03-24 Jakub Jelinek <jakub@redhat.com>
13605 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
13606 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
13608 2021-03-24 Alexandre Oliva <oliva@adacore.com>
13610 * doc/sourcebuild.texi (sysconf): New effective target.
13612 2021-03-24 Alexandre Oliva <oliva@adacore.com>
13614 * config/i386/predicates.md (reg_or_const_vec_operand): New.
13615 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
13616 the now *-prefixed insn_and_split, turn the splitter const vec
13617 into an input for the insn, making it an ignored immediate for
13618 non-split cases, and loaded into the scratch register
13621 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
13624 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
13625 Use define_relaxed_memory_constraint for them.
13627 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
13630 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
13631 colon to the diagnostic message.
13633 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
13635 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
13637 (try_fwprop_subst_note): Use set_info instead of insn_info.
13638 (try_fwprop_subst_pattern): Likewise.
13639 (try_fwprop_subst_notes): Likewise.
13640 (try_fwprop_subst): Likewise.
13641 (forward_propagate_subreg): Likewise.
13642 (forward_propagate_and_simplify): Likewise.
13643 (forward_propagate_into): Likewise.
13644 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
13646 (set_info::single_nondebug_insn_use): Likewise.
13647 (set_info::single_phi_use): Likewise.
13648 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
13650 (set_info::single_nondebug_insn_use): Likewise.
13651 (set_info::single_phi_use): Likewise.
13653 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
13655 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
13657 2021-03-23 Jakub Jelinek <jakub@redhat.com>
13660 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
13661 expand_mult to perform an unsigned rather than a signed
13664 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
13667 * config/i386/cpuid.h (__cpuid): Add __volatile__.
13668 (__cpuid_count): Likewise.
13670 2021-03-23 Richard Biener <rguenther@suse.de>
13672 PR tree-optimization/99721
13673 * tree-vect-slp.c (vect_slp_analyze_node_operations):
13674 Make sure we can schedule the node.
13676 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
13678 * config/riscv/riscv.c (riscv_subword): Take endianness into
13679 account when calculating the byte offset.
13681 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
13683 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
13684 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
13685 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
13686 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
13687 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
13688 new predicate "subreg_lowpart_operator"
13690 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
13692 * config/riscv/riscv.c (riscv_swap_instruction): New function
13693 to byteswap an SImode rtx containing an instruction.
13694 (riscv_trampoline_init): Byteswap the generated instructions
13697 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
13699 * common/config/riscv/riscv-common.c
13700 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
13701 * config.gcc (riscv32be-*, riscv64be-*): Set
13702 TARGET_BIG_ENDIAN_DEFAULT to 1.
13703 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
13704 depending on default endianness.
13705 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
13706 * config/riscv/linux.h (LINK_SPEC): Likewise.
13707 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
13708 default endianness.
13709 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
13711 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
13713 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
13714 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
13715 * config/riscv/linux.h (LINK_SPEC): Likewise.
13716 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
13718 (BYTES_BIG_ENDIAN): Handle big endian.
13719 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
13720 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
13722 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
13724 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
13726 * regcprop.c (find_oldest_value_reg): Ask target whether
13727 different mode is fine for replacement register.
13729 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
13731 PR tree-optimization/99296
13732 * value-range.cc (irange::irange_set_1bit_anti_range): New.
13733 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
13734 * value-range.h (irange::irange_set_1bit_anti_range): New.
13736 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
13739 * config/aarch64/constraints.md (UtQ): Use
13740 define_relaxed_memory_constraint for it.
13741 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
13742 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
13743 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
13744 (have_relaxed_memory_constraints): New static var.
13745 (relaxed_memory_start, relaxed_memory_end): Ditto.
13746 (add_constraint): Add arg is_relaxed_memory. Check name for
13747 relaxed memory. Set up is_relaxed_memory in constraint_data and
13748 have_relaxed_memory_constraints. Adjust calls.
13749 (choose_enum_order): Process relaxed memory.
13750 (write_tm_preds_h): Ditto.
13751 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
13752 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
13753 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
13754 * ira-lives.c (single_reg_class): Use
13755 insn_extra_relaxed_memory_constraint.
13756 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
13757 * lra-constraints.c (valid_address_p): Use
13758 insn_extra_relaxed_memory_constraint instead of other memory
13760 (process_alt_operands): Process CT_RELAXED_MEMORY.
13761 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
13762 * recog.c (asm_operand_ok, preprocess_constraints): Process
13764 * reload.c (find_reloads): Ditto.
13765 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
13766 * stmt.c (parse_input_constraint): Use
13767 insn_extra_relaxed_memory_constraint.
13769 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
13772 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
13775 2021-03-22 Alex Coplan <alex.coplan@arm.com>
13778 * config/arm/arm-protos.h (neon_make_constant): Add generate
13779 argument to guard emitting insns, default to true.
13780 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
13781 CONST_VECTORs which neon_make_constant can't handle.
13782 (neon_vdup_constant): Add generate argument, avoid emitting
13783 insns if it's not set.
13784 (neon_make_constant): Plumb new generate argument through.
13785 * config/arm/constraints.md (Ui): New. Use it...
13786 * config/arm/mve.md (*mve_mov<mode>): ... here.
13787 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
13788 synthesize constants.
13790 2021-03-22 Richard Biener <rguenther@suse.de>
13792 * debug.h: Add deprecation warning.
13794 2021-03-22 Richard Biener <rguenther@suse.de>
13796 PR tree-optimization/99694
13797 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
13800 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
13803 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
13804 after type checking.
13806 2021-03-22 Jakub Jelinek <jakub@redhat.com>
13810 * dwarf2out.c (get_full_len): Use get_precision rather than
13812 (add_const_value_attribute): Make sure add_AT_wide argument has
13813 precision prec rather than some very wide one.
13815 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
13817 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
13818 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
13819 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
13820 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
13821 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
13822 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
13823 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
13824 *fix_trunc<mode>si2_internal): Fix empty split condition.
13825 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
13826 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
13827 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
13828 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
13830 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
13833 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
13834 Convert idx to DImode.
13835 (rs6000_expand_vector_set_var_p8): Likewise.
13837 2021-03-21 Jakub Jelinek <jakub@redhat.com>
13840 * dwarf2out.c (insert_float): Change return type from void to
13841 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
13842 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
13845 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
13848 * config/i386/i386.c (construct_container): Check cfun != NULL
13849 before accessing silent_p.
13851 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
13853 * asan.c: Fix typos in comments.
13855 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
13857 PR rtl-optimization/99680
13858 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
13859 (process_address_1): Check empty constraint before using
13862 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
13864 * config/rs6000/rs6000.c (power10_cost): New.
13865 (rs6000_option_override_internal): Set Power10 costs.
13866 (rs6000_issue_rate): Set Power10 issue rate.
13867 * config/rs6000/power10.md: Rewrite for Power10.
13869 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
13872 * lra-constraints.c (process_address_1): Don't use unknown
13873 constraint for address constraint.
13875 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
13878 * config.gcc (powerpc-*-darwin8): Delete the reference to
13879 the now removed darwin8.h.
13881 2021-03-19 Olivier Hainque <hainque@adacore.com>
13884 * config/vxworksae.h (VX_CPU_PREFIX): Define.
13886 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
13888 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
13890 2021-03-19 Tamar Christina <tamar.christina@arm.com>
13892 PR tree-optimization/99656
13893 * tree-vect-slp-patterns.c (linear_loads_p,
13894 complex_add_pattern::matches, is_eq_or_top,
13895 vect_validate_multiplication, complex_mul_pattern::matches,
13896 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
13897 * tree-vectorizer.h: (complex_load_perm_t): Removed.
13898 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
13899 complex_load_perm_t.
13901 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
13904 * config/i386/i386-options.c (ix86_init_machine_status): Set
13906 * config/i386/i386.c (init_cumulative_args): Set silent_p to
13908 (construct_container): Return early for return and argument
13909 errors if silent_p is true.
13910 * config/i386/i386.h (machine_function): Add silent_p.
13912 2021-03-19 Jakub Jelinek <jakub@redhat.com>
13915 * config/arm/constraints.md (Ds): New constraint.
13916 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
13917 constraint instead of w,Dm.
13919 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
13921 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
13924 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
13926 PR middle-end/99641
13927 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
13928 array type, do the computation of the current position in sizetype.
13930 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
13933 * lra-constraints.c (process_address_1): Use lookup_constraint
13934 only for a single constraint.
13936 2021-03-18 Martin Sebor <msebor@redhat.com>
13938 PR middle-end/99502
13939 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
13940 (inbounds_memaccess_p): ...to this. Check the ending offset of
13941 the accessed member.
13943 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
13945 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
13946 %> quote markers to error messages.
13947 (gcn_goacc_validate_dims): Likewise.
13948 (gcn_conditional_register_usage): Remove exclaimation mark from error
13950 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
13952 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
13954 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
13957 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
13958 Kito Cheng <kito.cheng@sifive.com>
13960 * config/riscv/riscv.c (riscv_block_move_straight): Change type
13961 to unsigned HOST_WIDE_INT for parameter and local variable with
13962 HOST_WIDE_INT type.
13963 (riscv_adjust_block_mem): Ditto.
13964 (riscv_block_move_loop): Ditto.
13965 (riscv_expand_block_move): Ditto.
13967 2021-03-18 Nick Clifton <nickc@redhat.com>
13969 * config/v850/v850.c (construct_restore_jr): Increase static
13971 (construct_save_jarl): Likewise.
13972 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
13974 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13976 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
13977 (aarch64_override_options_internal): Use it.
13978 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
13981 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
13983 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
13984 error message format issues.
13985 (nios2_option_override): Likewise.
13986 (nios2_expand_fpu_builtin): Likewise.
13987 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
13988 truncation warning.
13989 (nios2_expand_custom_builtin): More error message format fixes.
13990 (nios2_expand_rdwrctl_builtin): Likewise.
13991 (nios2_expand_rdprs_builtin): Likewise.
13992 (nios2_expand_eni_builtin): Likewise.
13993 (nios2_expand_builtin): Likewise.
13994 (nios2_register_custom_code): Likewise.
13995 (nios2_valid_target_attribute_rec): Likewise.
13996 (nios2_add_insn_asm): Fix uninitialized variable warning.
13998 2021-03-17 Jan Hubicka <jh@suse.cz>
14000 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
14001 of gather to match reality.
14002 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
14004 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14006 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
14007 to compare against CC_REG rather than NE.
14009 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
14012 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
14013 inline assembly statements.
14014 (ix86_print_operand): Update 'P' handling for -fno-plt.
14016 2021-03-17 Tamar Christina <tamar.christina@arm.com>
14019 * config/aarch64/aarch64.c
14020 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
14022 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
14025 * config/rs6000/predicates.md (branch_comparison_operator): Allow
14026 ordered and unordered for CCFPmode, if flag_finite_math_only.
14028 2021-03-16 Jakub Jelinek <jakub@redhat.com>
14031 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
14032 rather than ASHIFT.
14033 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
14035 2021-03-16 Martin Liska <mliska@suse.cz>
14038 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
14039 cl_optimization_compare function.
14041 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
14043 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
14046 2021-03-16 Jakub Jelinek <jakub@redhat.com>
14049 * config/i386/i386.h (struct machine_function): Add
14050 has_explicit_vzeroupper bitfield.
14051 * config/i386/i386-expand.c (ix86_expand_builtin): Set
14052 cfun->machine->has_explicit_vzeroupper when expanding
14053 IX86_BUILTIN_VZEROUPPER.
14054 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
14055 Do the mode switching only when TARGET_VZEROUPPER, expensive
14056 optimizations turned on and not optimizing for size.
14057 (pass_insert_vzeroupper::gate): Enable even when
14058 cfun->machine->has_explicit_vzeroupper is set.
14060 2021-03-16 Jakub Jelinek <jakub@redhat.com>
14063 * config/aarch64/aarch64.c
14064 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
14065 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
14066 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
14068 2021-03-15 Richard Biener <rguenther@suse.de>
14070 PR tree-optimization/98834
14071 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
14072 subsetting by truncating the access size.
14074 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
14076 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
14077 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
14080 2021-03-15 Martin Liska <mliska@suse.cz>
14082 * spellcheck.c: Add missing comma in initialization.
14084 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
14086 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
14087 alternative 2 and alternative 1 with alternative 3 using
14088 YW register constraint.
14089 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
14090 using YW register constraint.
14091 (*vec_extractv16qi_zext): Ditto.
14092 (*vec_extractv4si): Merge alternatives 4 and 5
14093 using Yw register constraint.
14094 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
14096 2021-03-13 Martin Sebor <msebor@redhat.com>
14098 PR tree-optimization/99489
14099 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
14100 is not a call statement.
14102 2021-03-13 Jakub Jelinek <jakub@redhat.com>
14104 PR tree-optimization/99544
14105 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
14106 if for vector types multiplication can't be done in type's mode.
14108 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
14111 * config/sparc/constraints.md (w): Rename to...
14112 (W): ... this and ditch previous implementation.
14113 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
14114 (*movdf_insn_sp64): Likewise.
14115 (*mov<VM64:mode>_insn_sp64): Likewise.
14116 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
14118 (atomic_compare_and_swap_leon3_1): Likewise.
14119 (*atomic_compare_and_swapdi_v8plus): Likewise.
14120 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
14121 architecture and add missing address validity check during LRA.
14123 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
14126 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
14127 occuring for assumed-size arrays in use_device_{ptr,addr}.
14129 2021-03-12 Jakub Jelinek <jakub@redhat.com>
14132 * config/i386/constraints.md (YW): New internal constraint.
14133 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
14134 (*<sse2_avx2>_<insn><mode>3<mask_name>,
14135 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
14136 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
14138 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
14139 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
14140 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
14141 into one, use Yw instead of former x,v.
14142 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
14143 the last alternative.
14144 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
14145 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
14146 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
14147 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
14148 into one, use <v_Yw> instead of former x,v.
14149 (avx2_interleave_highv32qi<mask_name>,
14150 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
14151 constraints. Add && <mask_avx512bw_condition> to condition.
14152 (avx2_interleave_lowv32qi<mask_name>,
14153 vec_interleave_lowv16qi<mask_name>,
14154 avx2_interleave_highv16hi<mask_name>,
14155 vec_interleave_highv8hi<mask_name>,
14156 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
14157 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
14158 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
14159 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
14160 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
14161 Yw instead of v in constraints.
14162 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
14163 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
14164 instead of Yv in constraints.
14165 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
14166 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
14167 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
14168 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
14169 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
14171 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
14172 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
14173 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
14174 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
14175 two, one with just x, another isa avx512vl with v.
14177 2021-03-12 Martin Liska <mliska@suse.cz>
14179 * doc/invoke.texi: Add missing param documentation.
14181 2021-03-11 David Malcolm <dmalcolm@redhat.com>
14184 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
14185 analyzer/trimmed-graph.o.
14186 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
14187 feasibility checking to reflect new implementation.
14188 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
14190 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
14192 2021-03-11 David Malcolm <dmalcolm@redhat.com>
14194 * digraph.cc (selftest::test_shortest_paths): Update
14195 shortest_paths init for new param. Add test of
14196 SPS_TO_GIVEN_TARGET.
14197 * shortest-paths.h (enum shortest_path_sense): New.
14198 (shortest_paths::shortest_paths): Add "sense" param.
14199 Update for renamings. Generalize to use "sense" param.
14200 (shortest_paths::get_shortest_path): Rename param.
14201 (shortest_paths::m_sense): New field.
14202 (shortest_paths::m_prev): Rename...
14203 (shortest_paths::m_best_edge): ...to this.
14204 (shortest_paths::get_shortest_path): Update for renamings.
14205 Conditionalize flipping of path on sense of traversal.
14207 2021-03-11 David Malcolm <dmalcolm@redhat.com>
14209 * digraph.cc (selftest::test_shortest_paths): Add test coverage
14210 for paths from B and C.
14211 * shortest-paths.h (shortest_paths::shortest_paths): Handle
14212 unreachable nodes, rather than asserting.
14214 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
14217 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
14218 xcoff_tbss_section_name.
14219 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
14220 * xcoffout.c (xcoff_tbss_section_name): Delete.
14221 * xcoffout.h (xcoff_tbss_section_name): Delete.
14223 2021-03-11 Richard Biener <rguenther@suse.de>
14225 PR tree-optimization/99523
14226 * tree-cfg.c (dump_function_to_file): Dump SSA names
14227 w/o identifier to the decls section as well, not only those
14228 without a VAR_DECL.
14230 2021-03-11 Jakub Jelinek <jakub@redhat.com>
14233 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
14234 function calls with lhs fail if the lhs don't have compatible types.
14236 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
14238 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
14239 Change FRAME_POINTER_REGNUM to correspond to a new faked
14240 register faked_fp, part of GENNONACR_REGS like faked_ap.
14241 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
14242 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
14243 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
14244 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
14245 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
14247 (CRIS_REAL_FP_REGNUM): New constant.
14248 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
14249 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
14250 (cris_initial_elimination_offset): Handle elimination changes
14251 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
14252 and add one from FRAME_POINTER_REGNUM to
14253 HARD_FRAME_POINTER_REGNUM.
14254 (cris_expand_prologue, cris_expand_epilogue): Emit code for
14255 hard_frame_pointer_rtx instead of frame_pointer_rtx.
14257 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
14260 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
14261 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
14263 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
14266 * lra-constraints.c (process_address_1): Don't check unknown
14267 constraint, use X for empty constraint.
14269 2021-03-10 Alex Coplan <alex.coplan@arm.com>
14271 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
14272 Fix typo in comment describing "is_ha" argument.
14274 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
14276 * doc/sourcebuild.texi: Document LRA target selector.
14278 2021-03-10 David Malcolm <dmalcolm@redhat.com>
14280 * doc/ux.texi: Add subsection contrasting interactive versus
14281 batch usage of GCC.
14283 2021-03-10 Joel Hutton <joel.hutton@arm.com>
14286 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
14288 (vectorizable_load): Fix gather load mask check condition.
14290 2021-03-10 Richard Biener <rguenther@suse.de>
14292 PR tree-optimization/99510
14293 * tree.c (check_aligned_type): Check that the candidate
14294 has TYPE_USER_ALIGN set instead of matching with the
14297 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
14299 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
14300 float and vector integer modes only if the mode is not larger.
14302 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
14304 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
14306 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
14308 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
14310 * ira-lives.c (single_reg_class): Ditto.
14312 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
14314 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
14315 the architecture-specific rtems.h.
14316 (aarch64-*-rtems*): Likewise.
14317 (arm*-*-rtems*): Likewise.
14318 (epiphany-*-rtems*): Likewise.
14319 (riscv*-*-rtems*): Likewise.
14321 2021-03-09 Jakub Jelinek <jakub@redhat.com>
14323 PR tree-optimization/99305
14324 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
14325 before integer_all_onesp instead of vice versa.
14327 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
14329 * common/config/arm/arm-common.c (arm_config_default): Change type
14330 of 'i' to unsigned.
14332 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
14335 * lra-constraints.c (process_address_1): Process constraint 'g'
14336 separately and digital constraints containing more one digit.
14338 2021-03-09 Nick Clifton <nickc@redhat.com>
14340 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
14341 (DWARF"_DEBUGGING_INFO): Define.
14343 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
14346 * calls.c (initialize_argument_information): When the argument
14347 is passed by reference, do not make a copy in a thunk only if
14348 the argument is already in memory. Remove redundant test for
14349 the case of callee copy.
14351 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
14354 * lra-constraints.c (process_address_1): Process 0..9 constraints
14355 in process_address_1.
14357 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
14359 * config/s390/s390.c (struct s390_processor processor_table):
14360 Binutils name string must not be empty.
14362 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
14364 * config/arc/arc.c (arc_attr_type): Remove function.
14366 2021-03-09 Martin Liska <mliska@suse.cz>
14369 * config/i386/i386-options.c (ix86_option_override_internal):
14370 Set isa_flags for OPTS argument and not for the global
14373 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
14375 * config/rs6000/predicates.md (ds_form_mem_operand): Check
14378 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
14381 * config/rs6000/predicates.md (ds_form_mem_operand) New
14383 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
14384 ds_form_mem_operand in ld/lwa patterns.
14385 * config/rs6000/fusion.md: Regenerate file.
14387 2021-03-08 Martin Sebor <msebor@redhat.com>
14389 PR middle-end/98266
14390 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
14391 (array_bounds_checker::check_array_bounds): Call it.
14393 2021-03-08 Martin Sebor <msebor@redhat.com>
14395 PR middle-end/97631
14396 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
14397 (handle_builtin_stxncpy_strncat): Rename locals. Determine
14398 destination size from allocation calls. Issue a more appropriate
14400 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
14401 (handle_builtin_memset): Same.
14403 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
14406 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
14407 to ensure we do not have an Altivec style address.
14408 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
14409 an Altivec style address.
14410 (*vsx_le_perm_store_<mode>): Likewise.
14411 (splitters after *vsx_le_perm_store_<mode>): Likewise.
14412 (vsx_load_<mode>): Disable special expander if passed an Altivec
14414 (vsx_store_<mode>): Likewise.
14416 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14419 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
14420 (aarch64_simd_shift_imm_vec_hi): Likewise.
14421 (aarch64_simd_shift_imm_vec_si): Likewise.
14422 (aarch64_simd_shift_imm_vec_di): Likewise.
14423 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
14424 predicate from above.
14425 (aarch64_shrn<mode>_insn_be): Likewise.
14426 (aarch64_rshrn<mode>_insn_le): Likewise.
14427 (aarch64_rshrn<mode>_insn_be): Likewise.
14428 (aarch64_shrn2<mode>_insn_le): Likewise.
14429 (aarch64_shrn2<mode>_insn_be): Likewise.
14430 (aarch64_rshrn2<mode>_insn_le): Likewise.
14431 (aarch64_rshrn2<mode>_insn_be): Likewise.
14433 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
14436 * lra-constraints.c (skip_contraint_modifiers): New function.
14437 (process_address_1): Use it before lookup_constraint call.
14439 2021-03-08 Martin Liska <mliska@suse.cz>
14442 * config/i386/i386-options.c (ix86_option_override_internal):
14443 Enable UINTR and HRESET for -march that supports it.
14445 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
14447 * config/s390/s390.c (f_constraint_p): New function.
14448 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
14449 (TARGET_MD_ASM_ADJUST): Likewise.
14451 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
14454 * tree-nested.c (convert_local_reference_stmt): Avoid calling
14455 lookup_field_for_decl for Fortran module (= namespace context).
14457 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
14459 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
14460 comparison with arithmetic right shift.
14461 (s390_expand_vcond): No need for a force_reg anymore.
14462 s390_vec_compare will do it.
14463 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
14464 immediate operands.
14466 2021-03-07 Jakub Jelinek <jakub@redhat.com>
14469 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
14470 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
14472 * config/i386/sse.md (v_Yw): New define_mode_attr.
14473 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
14474 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
14476 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
14477 xYw in constraints.
14479 2021-03-06 Julian Brown <julian@codesourcery.com>
14481 * tree-pretty-print.c (dump_generic_node): Emit non-generic
14482 address space info for aggregates.
14484 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
14486 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
14488 2021-03-05 Jakub Jelinek <jakub@redhat.com>
14490 PR middle-end/99322
14491 * tree-cfg.c (bb_to_omp_idx): New variable.
14492 (execute_build_cfg): Release the bb_to_omp_idx vector after
14493 cleanup_tree_cfg returns.
14494 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
14495 for bb_to_omp_idx being a vec<int> instead of pointer to array
14497 (make_edges): Remove bb_to_omp_idx local variable, don't pass
14498 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
14499 vec<int> instead of pointer to array of ints and don't free/release
14501 (remove_bb): When removing a bb and placing forced label somewhere
14502 else, ensure it is put into the same OpenMP region during cfg
14503 pass if possible or to entry successor as fallback. Unregister
14504 bb from bb_to_omp_idx.
14506 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
14509 * lra-constraints.c (process_address_1): Skip decomposing address
14510 for asm insn operand with unknown constraint.
14512 2021-03-05 Martin Jambor <mjambor@suse.cz>
14515 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
14516 corresponding speculative edges if we are about to resolve
14517 sepculation. Make edge direct (and so resolve speculations) before
14518 removing it from call_site_hash.
14519 (cgraph_edge::make_direct): Relax the initial assert to allow calling
14520 the function on speculative direct edges.
14522 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
14524 PR rtl-optimization/99376
14525 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
14526 of low-order zero bits is too large, set the result to 0 directly.
14528 2021-03-04 Jakub Jelinek <jakub@redhat.com>
14530 PR middle-end/93235
14531 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
14532 SUBREG and a SUBREG to op_mode can't be created.
14534 2021-03-04 Alex Coplan <alex.coplan@arm.com>
14537 * config/aarch64/aarch64-sve-builtins.cc
14538 (function_resolver::require_vector_type): Handle error_mark_node.
14540 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
14542 * cfgexpand.c (expand_asm_loc): Pass new parameter.
14543 (expand_asm_stmt): Likewise.
14544 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
14546 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
14547 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
14548 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
14549 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
14550 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
14551 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
14552 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
14553 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
14554 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
14555 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
14556 * doc/tm.texi (md_asm_adjust): Likewise.
14557 * target.def (md_asm_adjust): Likewise.
14559 2021-03-04 Richard Biener <rguenther@suse.de>
14561 PR middle-end/97855
14562 * tree-pretty-print.c: Poison pp_printf.
14563 (dump_decl_name): Avoid use of pp_printf.
14564 (dump_block_node): Likewise.
14565 (dump_generic_node): Likewise.
14567 2021-03-04 Martin Sebor <msebor@redhat.com>
14569 PR middle-end/96963
14570 PR middle-end/94655
14571 * builtins.c (handle_array_ref): New helper.
14572 (handle_mem_ref): New helper.
14573 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
14574 into new helper functions. Correct a workaround for vectorized
14577 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
14579 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
14580 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
14581 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
14582 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
14583 attribute for Power10.
14584 * config/rs6000/mma.md (*movoo): Likewise.
14585 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
14586 (define_mode_attr bits): Add DD/TD modes.
14587 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
14588 store_conditionalpti): Update size attribute for Power10.
14590 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
14593 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
14594 -Wuninitialized, -Wmaybe-uninitialized.
14595 (wide-int.o-warn): Likewise.
14597 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
14599 * common/config/arm/arm-common.c: Include configargs.h.
14600 (arm_config_default): New function.
14601 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
14602 processors that do not support Thumb. Take into account the
14603 --with-mode configuration setting for selecting the default.
14604 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
14605 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
14607 2021-03-03 Martin Liska <mliska@suse.cz>
14609 PR gcov-profile/97461
14610 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
14612 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
14615 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
14616 point back the hard frame pointer to its default location when the
14617 frame is larger than SEH_MAX_FRAME_SIZE.
14619 2021-03-03 Jakub Jelinek <jakub@redhat.com>
14622 * config/i386/predicates.md (logic_operator): New define_predicate.
14623 * config/i386/i386.md (mov + mem using comm arith peephole2):
14624 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
14625 and the inner mode is [QH]Imode.
14627 2021-03-03 Jakub Jelinek <jakub@redhat.com>
14630 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
14631 (new_loc_list): Clear end_entry.
14632 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
14633 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
14635 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
14636 initialize also end_entry.
14638 2021-03-03 Jakub Jelinek <jakub@redhat.com>
14641 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
14642 partitions, if in non-layout mode after reorder_blocks also move
14643 affected blocks to ensure a single partition transition.
14645 2021-03-03 Jason Merrill <jason@redhat.com>
14648 * cgraphunit.c (process_function_and_variable_attributes): Don't
14649 warn about flatten on an alias if the target also has it.
14650 * cgraph.h (symtab_node::get_alias_target_tree): New.
14652 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
14654 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
14655 period to symbol name.
14656 (tls_get_addr_internal<mode>): Same.
14658 2021-03-02 David Malcolm <dmalcolm@redhat.com>
14661 * diagnostic-show-locus.c
14662 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
14665 2021-03-02 Martin Sebor <msebor@redhat.com>
14667 PR middle-end/99276
14668 * builtins.c (warn_for_access): Remove stray warning text.
14670 2021-03-02 Martin Sebor <msebor@redhat.com>
14672 PR middle-end/99295
14673 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
14676 2021-03-02 Jakub Jelinek <jakub@redhat.com>
14679 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
14680 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
14681 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
14682 DW_MACRO_define_strx and DW_MACRO_undef_strx.
14683 (save_macinfo_strings): Use DW_MACRO_*_str* even with
14684 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
14685 DW_MACRO_undef_strx.
14687 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
14689 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
14691 (BT_FN_V8HI_V8HI_UINT): Likewise.
14692 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
14693 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
14694 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
14695 New builtin definitions.
14696 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
14697 vector extension version.
14698 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
14699 available with current -march level.
14700 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
14701 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
14702 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
14703 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
14704 (vec_extend_to_fp32_lo): Likewise.
14705 (vec_round_from_fp32): Likewise.
14706 (vec_convert_to_fp16): Likewise.
14707 (vec_convert_from_fp16): Likewise.
14708 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
14709 (vclfnls_v8hi): Likewise.
14710 (vcrnfs_v8hi): Likewise.
14711 (vcfn_v8hi): Likewise.
14712 (vcnf_v8hi): Likewise.
14714 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
14716 * common/config/s390/s390-common.c (processor_flags_table): New entry.
14717 * config.gcc: Enable arch14 for --with-arch and --with-tune.
14718 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
14719 arch14 for unknown CPU models.
14720 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
14721 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
14722 (s390_get_sched_attrmask): Likewise.
14723 (s390_get_unit_mask): Likewise.
14724 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
14725 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
14726 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
14727 (TARGET_NNPA_P): New macro definitions.
14728 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
14729 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
14731 2021-03-02 Jakub Jelinek <jakub@redhat.com>
14733 PR middle-end/95757
14734 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
14735 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
14736 != 1 comparisons if name is lhs of a comparison.
14738 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
14742 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
14743 * config/darwin.c (darwin_should_restore_cfa_state): New.
14744 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
14745 * doc/tm.texi: Regenerated.
14746 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
14747 * dwarf2cfi.c (connect_traces): If the target requests, restore
14748 the CFA expression after a DW_CFA_restore.
14749 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
14751 2021-03-01 Martin Liska <mliska@suse.cz>
14754 * optc-save-gen.awk: Add 4 more exceptions.
14756 2021-03-01 Nathan Sidwell <nathan@acm.org>
14759 * tree.h (TYPE_ALIGN_RAW): New accessor.
14760 (TYPE_ALIGN): Use it.
14762 2021-03-01 Jan Hubicka <jh@suse.cz>
14765 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
14767 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
14770 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
14771 point the hard frame pointer to the SSE register save area instead
14772 of the general register save area. Perform only minimal adjustment
14773 for small frames if it is initially not correctly aligned.
14774 (ix86_expand_prologue): Remove early saves for a SEH target.
14775 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
14777 2021-02-28 Jakub Jelinek <jakub@redhat.com>
14780 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
14781 typo - referneced -> referenced.
14782 * tree.c (component_ref_size): Fix comment typo -
14783 refernce -> reference.
14784 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
14785 traling -> trailing.
14786 (aliasing_component_refs_p): Fix comment typos -
14787 refernce -> reference and refernece -> reference and
14788 traling -> trailing.
14789 (nonoverlapping_refs_since_match_p): Fix comment typo -
14790 referneces -> references.
14791 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
14792 referneces -> references.
14794 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
14796 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
14797 diagnostic message to avoid use of a contraction and format
14800 2021-02-27 Jakub Jelinek <jakub@redhat.com>
14803 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
14804 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
14805 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
14806 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
14809 2021-02-26 Richard Biener <rguenther@suse.de>
14811 PR middle-end/99281
14812 * expr.c (store_field): For calls with return-slot optimization
14813 and addressable return type expand the store directly.
14815 2021-02-26 Richard Biener <rguenther@suse.de>
14818 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
14820 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
14823 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
14826 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
14828 * config.gcc: Add rs6000-pcrel-opt.o.
14829 * config/rs6000/rs6000-pcrel-opt.c: New file.
14830 * config/rs6000/pcrel-opt.md: New file.
14831 * config/rs6000/predicates.md: Add d_form_memory predicate.
14832 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
14833 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
14834 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
14835 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
14836 and make_pass_pcrel_opt().
14837 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
14838 (rs6000_option_override_internal): Add pcrel-opt.
14839 (rs6000_delegitimize_address): Support pcrel-opt.
14840 (rs6000_opt_masks): Add pcrel-opt.
14841 (pcrel_opt_valid_mem_p): New function.
14842 (reg_to_non_prefixed): Make global.
14843 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
14844 (output_pcrel_opt_reloc): New function.
14845 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
14846 (pcrel_extern_addr): Set loads_extern_addr.
14847 Add include for pcrel-opt.md.
14848 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
14849 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
14852 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
14855 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
14856 If TARGET_64BIT and dest is SUBREG, we check the width, if it
14857 equal to SImode, we use SImode operation, just like what we are
14860 2021-02-26 Marek Polacek <polacek@redhat.com>
14862 * builtins.c (warn_for_access): Fix typos.
14864 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
14866 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
14867 mark in front of the immediate quantity.
14868 (<optab>_rolsi3_uxtw): Likewise.
14870 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
14873 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
14874 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
14875 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
14876 address and disable when the FPCXT is not available.
14877 (nonsecure_call_value_reg_thumb2): Likewise.
14879 2021-02-25 Nathan Sidwell <nathan@acm.org>
14882 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
14884 2021-02-25 Tamar Christina <tamar.christina@arm.com>
14886 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
14888 2021-02-25 Richard Biener <rguenther@suse.de>
14890 PR tree-optimization/99253
14891 * tree-vect-loop.c (check_reduction_path): First compute
14892 code, then verify out-of-loop uses.
14894 2021-02-25 Jakub Jelinek <jakub@redhat.com>
14897 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
14899 2021-02-25 Jakub Jelinek <jakub@redhat.com>
14901 PR tree-optimization/80635
14902 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
14903 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
14904 has mode precision.
14906 2021-02-25 Richard Biener <rguenther@suse.de>
14908 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
14909 load_map population.
14910 (vect_match_slp_patterns_2): Revert part of last change.
14911 (vect_analyze_slp): Do not interleave optimize_load_redistribution
14912 with pattern detection but do it afterwards. Dump the
14913 whole SLP graph after pattern recognition and load
14914 redistribution optimization finished.
14916 2021-02-24 Jakub Jelinek <jakub@redhat.com>
14919 * omp-low.c (struct omp_context): Add teams_nested_p and
14920 nonteams_nested_p members.
14921 (scan_omp_target): Diagnose teams nested inside of target with other
14922 directives strictly nested inside of the same target.
14923 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
14924 ctx->nonteams_nested_p as needed.
14926 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
14928 PR inline-asm/99123
14929 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
14931 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
14933 * config/cris/cris.c (cris_expand_prologue): Set
14934 current_function_static_stack_size, if flag_stack_usage_info.
14936 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
14938 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
14939 (rs6000_final_prescan_insn): Adjust.
14940 (rs6000_asm_output_opcode): Likewise.
14942 2021-02-24 Martin Sebor <msebor@redhat.com>
14944 PR middle-end/97172
14945 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
14946 from function arguments.
14948 2021-02-24 Tamar Christina <tamar.christina@arm.com>
14950 PR tree-optimization/99220
14951 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
14952 node from cache when it's about to be deleted.
14954 2021-02-24 Jakub Jelinek <jakub@redhat.com>
14956 PR tree-optimization/99225
14957 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
14958 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
14959 build_int_cst (..., 1). Formatting fixes.
14961 2021-02-24 Tamar Christina <tamar.christina@arm.com>
14963 PR tree-optimization/99149
14964 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
14966 (vect_slp_reset_pattern): Remove.
14967 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
14968 (complex_mul_pattern::build, complex_fma_pattern::build,
14969 complex_fms_pattern::build): Fix ref counts.
14970 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
14971 when node is being deleted.
14972 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
14973 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
14975 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
14977 2021-02-24 Matthias Klose <doko@ubuntu.com>
14980 2020-12-07 Matthias Klose <doko@ubuntu.com>
14982 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
14983 and ENABLE_RTL_FLAG_CHECKING.
14985 2021-02-24 Richard Biener <rguenther@suse.de>
14988 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
14990 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
14992 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
14993 (vsx_assemble_pair): ...to this.
14994 (*mma_assemble_pair): Rename from this...
14995 (*vsx_assemble_pair): ...to this.
14996 (mma_disassemble_pair): Rename from this...
14997 (vsx_disassemble_pair): ...to this.
14998 (*mma_disassemble_pair): Rename from this...
14999 (*vsx_disassemble_pair): ...to this.
15000 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
15001 BU_COMPAT): New macros.
15002 (mma_assemble_pair): Rename from this...
15003 (vsx_assemble_pair): ...to this.
15004 (mma_disassemble_pair): Rename from this...
15005 (vsx_disassemble_pair): ...to this.
15006 (mma_assemble_pair): New compatibility built-in.
15007 (mma_disassemble_pair): Likewise.
15008 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
15009 (RS6000_BUILTIN_COMPAT): Define.
15010 (bdesc_compat): New.
15011 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
15012 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
15013 and VSX_BUILTIN_ASSEMBLE_PAIR.
15014 (rs6000_init_builtins): Register compatibility built-ins.
15015 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
15016 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
15017 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
15018 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
15019 (__builtin_vsx_assemble_pair): ...to this.
15020 (__builtin_mma_disassemble_pair): Rename from this...
15021 (__builtin_vsx_disassemble_pair): ...to this.
15023 2021-02-23 Martin Liska <mliska@suse.cz>
15026 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
15027 with different alignment. That leads to an invalid red zone
15028 size allocated in runtime.
15030 2021-02-23 Jakub Jelinek <jakub@redhat.com>
15032 PR tree-optimization/99204
15033 * fold-const.c (fold_read_from_constant_string): Check that
15034 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
15036 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
15037 Kewen Lin <linkw@gcc.gnu.org>
15039 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
15040 (rotl<mode>3_insert_3): ...this.
15041 (plus_ior_xor): New code_iterator.
15042 (define_split for GPR rl*imi): New splitter.
15043 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
15044 for integer merging.
15046 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15048 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
15050 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
15051 into a register when the above is enabled.
15052 * config/aarch64/aarch64.c (neoversev1_tunings):
15053 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
15054 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
15056 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
15058 * config/cris/cris.c (cris_print_operand) <'T'>: Change
15059 valid operand from is now an addi mult-value to shift-value.
15060 * config/cris/cris.md (*addi): Change expression of scaled
15061 operand from mult to ashift.
15062 * config/cris/cris.md (*addi_reload): New insn_and_split.
15064 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
15067 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
15068 hook_bool_const_tree_hwi_hwi_const_tree_true.
15069 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
15071 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
15073 PR rtl-optimization/98791
15074 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
15075 for unordered modes.
15077 2021-02-22 Martin Liska <mliska@suse.cz>
15079 * tree-inline.c (inline_forbidden_p): Set
15080 inline_forbidden_reason.
15082 2021-02-22 Richard Biener <rguenther@suse.de>
15084 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
15087 2021-02-22 Richard Biener <rguenther@suse.de>
15089 PR tree-optimization/99165
15090 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
15091 Accumulate changed to ret.
15093 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
15096 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
15098 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
15100 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
15103 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
15105 (trunctf<DFP_ALL:mode>2): Likewise.
15106 (trunctdtf2_vr): Likewise.
15107 (trunctdtf2): Likewise.
15108 (extend<DFP_ALL:mode>tf2_vr): Likewise.
15109 (extend<DFP_ALL:mode>tf2): Likewise.
15110 (extendtftd2_vr): Likewise.
15111 (extendtftd2): Likewise.
15113 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
15115 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
15116 add memory alternative.
15117 (tf_to_fprx2): New pattern.
15119 2021-02-19 Martin Sebor <msebor@redhat.com>
15122 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
15123 (attr_access::free_lang_data): Remove a spurious test.
15125 2021-02-19 Nathan Sidwell <nathan@acm.org>
15127 * doc/invoke.texi (flang-info-module-read): Document.
15129 2021-02-19 Martin Liska <mliska@suse.cz>
15131 PR translation/99167
15132 * params.opt: Fix typo.
15134 2021-02-19 Richard Biener <rguenther@suse.de>
15136 PR middle-end/99122
15137 * tree-inline.c (inline_forbidden_p): Do not inline functions
15138 with VLA arguments or return value.
15140 2021-02-19 Jakub Jelinek <jakub@redhat.com>
15143 * config/arm/arm.md (*stack_protect_combined_set_insn,
15144 *stack_protect_combined_test_insn): If force_const_mem result
15145 is not valid general operand, force its address into the destination
15148 2021-02-19 Jakub Jelinek <jakub@redhat.com>
15151 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
15152 pad or non-local label, put FORCED_LABELs from bb b after that label
15153 rather than before it.
15155 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
15158 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
15159 expand_vector_broadcast' to emit the vec_duplicate operand.
15161 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
15163 PR rtl-optimization/96264
15164 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
15167 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
15170 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
15171 looking up the retain attribute.
15172 (resolve_unique_section): Likewise.
15173 (get_variable_section): Likewise.
15174 (switch_to_section): Likewise. Warn when a symbol without the
15175 retain attribute and a symbol with the retain attribute are
15176 placed in the section with the same name, instead of the used
15178 * doc/extend.texi: Document the "retain" attribute.
15180 2021-02-18 Nathan Sidwell <nathan@acm.org>
15183 * doc/invoke.texi (flang-info-include-translate): Document header
15186 2021-02-18 Richard Biener <rguenther@suse.de>
15188 PR middle-end/99122
15189 * ipa-fnsummary.c (analyze_function_body): Set
15190 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
15191 * tree-inline.c (insert_init_debug_bind): Pass NULL for
15192 error_mark_node values.
15193 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
15195 (setup_one_parameter): Delay force_value_to_type until when
15198 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
15200 PR tree-optimization/99142
15201 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
15203 2021-02-18 Jakub Jelinek <jakub@redhat.com>
15205 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
15206 wide_int_bitmask::wide_int_bitmask (uint64_t),
15207 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
15208 wide_int_bitmask::operator ~ () const,
15209 wide_int_bitmask::operator | (wide_int_bitmask) const,
15210 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
15212 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
15213 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
15214 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
15215 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
15216 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
15217 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
15218 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
15219 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
15220 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
15221 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
15222 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
15223 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
15224 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
15225 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
15226 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
15227 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
15228 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
15229 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
15230 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
15231 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
15232 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
15233 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
15234 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
15235 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
15237 2021-02-18 Jakub Jelinek <jakub@redhat.com>
15239 PR middle-end/99109
15240 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
15241 (build_printable_array_type): ... this. Add nelts argument. For
15242 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
15243 nelts, call build_array_type_nelts.
15244 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
15245 instead of build_zero_elt_array_type and build_array_type_nelts.
15247 2021-02-18 Jakub Jelinek <jakub@redhat.com>
15250 * config/i386/i386.c (distance_non_agu_define): Don't call
15251 extract_insn_cached here.
15252 (ix86_lea_outperforms): Save and restore recog_data around call
15253 to distance_non_agu_define and distance_agu_use.
15254 (ix86_ok_to_clobber_flags): Remove.
15255 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
15256 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
15257 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
15258 into define_insn. Move the splitting to define_peephole2 and
15259 check there using peep2_regno_dead_p if FLAGS_REG is dead.
15261 2021-02-17 Julian Brown <julian@codesourcery.com>
15263 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
15266 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
15269 * config/mips/mips.c (mips_symbol_insns): Do not use
15270 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
15272 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
15274 PR inline-asm/98096
15275 * stmt.c (resolve_operand_name_1): Take inout operands into account
15276 for access to labels by names.
15277 * doc/extend.texi: Describe counting operands for accessing labels.
15279 2021-02-16 Richard Biener <rguenther@suse.de>
15281 PR tree-optimization/38474
15282 * tree-ssa-structalias.c (variable_info::address_taken): New.
15283 (new_var_info): Initialize address_taken.
15284 (process_constraint): Set address_taken.
15285 (solve_constraints): Use the new address_taken flag rather
15286 than is_reg_var for sorting variables.
15287 (dump_constraint): Dump the variable number if the name
15290 2021-02-16 Jakub Jelinek <jakub@redhat.com>
15293 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
15294 multiply by 4096 and for inbranch by 8192.
15295 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
15296 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
15298 2021-02-15 Maya Rashish <coypu@sdf.org>
15300 * config/aarch64/aarch64.c (aarch64_init_builtins):
15301 Call SUBTARGET_INIT_BUILTINS.
15303 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
15305 PR rtl-optimization/98872
15306 * init-regs.c (initialize_uninitialized_regs): Skip initialization
15307 if CONST0_RTX is NULL.
15309 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
15311 PR rtl-optimization/98863
15312 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
15313 (function_info::build_info): Turn into a declaration, moving the
15314 definition to internals.h.
15315 (function_info::bb_walker): Declare.
15316 (function_info::create_reg_use): Likewise.
15317 (function_info::calculate_potential_phi_regs): Take a build_info
15319 (function_info::place_phis, function_info::create_ebbs): Declare.
15320 (function_info::calculate_ebb_live_in_for_debug): Likewise.
15321 (function_info::populate_backedge_phis): Delete.
15322 (function_info::start_block, function_info::end_block): Declare.
15323 (function_info::populate_phi_inputs): Delete.
15324 (function_info::m_potential_phi_regs): Move information to build_info.
15325 * rtl-ssa/internals.h: New file.
15326 (function_info::bb_phi_info): New class.
15327 (function_info::build_info): Moved from functions.h.
15328 Add a constructor and destructor.
15329 (function_info::build_info::ebb_use): Delete.
15330 (function_info::build_info::ebb_def): Likewise.
15331 (function_info::build_info::bb_live_out): Likewise.
15332 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
15333 (function_info::build_info::potential_phi_regs): Likewise.
15334 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
15335 (function_info::build_info::ebb_def_regs): Likewise.
15336 (function_info::build_info::bb_phis): Likewise.
15337 (function_info::build_info::bb_mem_live_out): Likewise.
15338 (function_info::build_info::bb_to_rpo): Likewise.
15339 (function_info::build_info::def_stack): Likewise.
15340 (function_info::build_info::old_def_stack_limit): Likewise.
15341 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
15342 Remove the regno argument. Push the previous definition onto the
15343 definition stack where necessary.
15344 * rtl-ssa/accesses.cc: Include internals.h.
15345 * rtl-ssa/changes.cc: Likewise.
15346 * rtl-ssa/blocks.cc: Likewise.
15347 (function_info::build_info::build_info): Define.
15348 (function_info::build_info::~build_info): Likewise.
15349 (function_info::bb_walker): New class.
15350 (function_info::bb_walker::bb_walker): Define.
15351 (function_info::add_live_out_use): Convert a logarithmic-complexity
15352 test into a linear one. Allow the same definition to be passed
15354 (function_info::calculate_potential_phi_regs): Moved from
15355 functions.cc. Take a build_info parameter and store the
15356 information there instead.
15357 (function_info::place_phis): New function.
15358 (function_info::add_entry_block_defs): Update call to record_reg_def.
15359 (function_info::calculate_ebb_live_in_for_debug): New function.
15360 (function_info::add_phi_nodes): Use bb_phis to decide which
15361 registers need phi nodes and initialize ebb_def_regs accordingly.
15362 Do not add degenerate phis here.
15363 (function_info::add_artificial_accesses): Use create_reg_use.
15364 Assert that all definitions are listed in the DF LR sets.
15365 Update call to record_reg_def.
15366 (function_info::record_block_live_out): Record live-out register
15367 values in the phis of successor blocks. Use the live-out set
15368 when processing the last block in an EBB, instead of always
15369 using the live-in sets of successor blocks. AND the live sets
15370 with the set of registers that have been defined in the EBB,
15371 rather than with all potential phi registers. Cope correctly
15372 with branches back to the start of the current EBB.
15373 (function_info::start_block): New function.
15374 (function_info::end_block): Likewise.
15375 (function_info::populate_phi_inputs): Likewise.
15376 (function_info::create_ebbs): Likewise.
15377 (function_info::process_all_blocks): Rewrite into a multi-phase
15379 * rtl-ssa/functions.cc: Include internals.h.
15380 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
15381 (function_info::init_function_data): Remove caller.
15382 * rtl-ssa/insns.cc: Include internals.h
15383 (function_info::create_reg_use): New function. Lazily any
15384 degenerate phis needed by the linear RPO view.
15385 (function_info::record_use): Use create_reg_use. When processing
15386 debug uses, use potential_phi_regs and test it before checking
15387 whether the register is live on entry to the current EBB. Lazily
15388 calculate ebb_live_in_for_debug.
15389 (function_info::record_call_clobbers): Update call to record_reg_def.
15390 (function_info::record_def): Likewise.
15392 2021-02-15 Martin Liska <mliska@suse.cz>
15394 * toplev.c (init_asm_output): Free output of
15395 gen_command_line_string function.
15396 (process_options): Likewise.
15398 2021-02-15 Martin Liska <mliska@suse.cz>
15400 * params.opt: Add 2 missing Param keywords.
15402 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
15404 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
15406 2021-02-15 Jakub Jelinek <jakub@redhat.com>
15408 PR tree-optimization/99079
15409 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
15410 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
15411 require both type and TREE_TYPE (@1) to be integral types and either
15412 type having smaller or equal precision, or TREE_TYPE (@1) being
15413 unsigned type, or type being signed type. If TREE_TYPE (@1)
15414 doesn't have wrapping overflow, perform the subtraction of one in
15417 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
15418 Richard Biener <rguether@suse.de>
15421 * ipa-reference.c (ipa_init): Only conditinally initialize
15422 reference_vars_to_consider.
15423 (propagate): Conditionally deninitialize reference_vars_to_consider.
15424 (ipa_reference_write_optimization_summary): Sanity check that
15425 reference_vars_to_consider is not allocated.
15427 2021-02-13 Levy Hsu <admin@levyhsu.com>
15430 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
15431 extend parameter to get_si_mem_base_reg declaration.
15432 (get_si_mem_base_reg): Add extend parameter. Set it.
15433 (analyze): Pass extend arg to get_si_mem_base_reg.
15434 (transform): Likewise. Use it when rewriting mems.
15435 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
15436 loads and emit sign/zero extending load followed by subreg move.
15438 2021-02-13 Jim Wilson <jimw@sifive.com>
15441 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
15442 exit when !reload_completed. Only perform check for compressed reg
15443 if reload_completed.
15444 (riscv_rtx_costs): In MEM case, when optimizing for size and
15445 shorten memrefs, if not compressible, then increase cost.
15447 2021-02-13 Jakub Jelinek <jakub@redhat.com>
15449 PR rtl-optimization/98439
15450 * recog.c (pass_split_before_regstack::gate): Enable even when
15451 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
15454 2021-02-13 Jakub Jelinek <jakub@redhat.com>
15457 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
15458 swap of V2SImode elements in memory into DImode memory rotate by 32.
15460 2021-02-12 Martin Sebor <msebor@redhat.com>
15462 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
15464 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
15466 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
15467 m_temp_obstack rather than m_obstack to allocate the temporary use.
15469 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
15471 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
15472 as read-modify operations.
15474 2021-02-12 Richard Biener <rguenther@suse.de>
15476 PR middle-end/38474
15477 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
15478 fbi->aa_walk_budget is bigger than zero. Update
15479 fbi->aa_walk_budget.
15480 (param_change_prob): Likewise.
15481 * ipa-prop.c (detect_type_change_from_memory_writes):
15482 Properly account walk_aliased_vdefs.
15483 (parm_preserved_before_stmt_p): Canonicalize updates.
15484 (parm_ref_data_preserved_p): Likewise.
15485 (parm_ref_data_pass_through_p): Likewise.
15486 (determine_known_aggregate_parts): Account own alias queries.
15488 2021-02-12 Martin Liska <mliska@suse.cz>
15490 * opts-common.c (decode_cmdline_option): Release werror_arg.
15491 * opts.c (gen_producer_string): Release output of
15492 gen_command_line_string.
15494 2021-02-12 Richard Biener <rguenther@suse.de>
15496 PR tree-optimization/38474
15497 * params.opt (-param=max-store-chains-to-track=): New param.
15498 (-param=max-stores-to-track=): Likewise.
15499 * doc/invoke.texi (max-store-chains-to-track): Document.
15500 (max-stores-to-track): Likewise.
15501 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
15503 (pass_store_merging::m_n_stores): Likewise.
15504 (pass_store_merging::terminate_and_process_chain): Update
15505 m_n_stores and m_n_chains.
15506 (pass_store_merging::process_store): Likewise. Terminate
15507 oldest chains if the number of stores or chains get too large.
15508 (imm_store_chain_info::terminate_and_process_chain): Dump
15511 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
15513 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
15514 the cold section, emit a nop before the directive if the previous
15515 active instruction can throw.
15517 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
15520 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
15521 memory addresses that are legal for quad word accesses.
15523 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
15526 * config/arm/thumb2.md (*doloop_end_internal): Generate
15527 alternative sequence to handle long range branches.
15529 2021-02-11 Joel Hutton <joel.hutton@arm.com>
15531 PR tree-optimization/98772
15532 * optabs-tree.c (supportable_half_widening_operation): New function
15533 to check for supportable V8QI->V8HI widening patterns.
15534 * optabs-tree.h (supportable_half_widening_operation): New function.
15535 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
15536 to create promotion stmts for V8QI->V8HI widening patterns.
15537 (vectorizable_conversion): Add case for V8QI->V8HI.
15539 2021-02-11 Richard Biener <rguenther@suse.de>
15541 * sparseset.h (SPARSESET_ELT_BITS): Remove.
15542 (SPARSESET_ELT_TYPE): Use unsigned int.
15543 * fwprop.c: Do not include sparseset.h.
15545 2021-02-10 Jakub Jelinek <jakub@redhat.com>
15548 * varasm.c (declare_weak): For -fsyntax-only, allow even
15549 TREE_ASM_WRITTEN function decls.
15551 2021-02-10 Jakub Jelinek <jakub@redhat.com>
15554 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
15555 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
15556 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
15557 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
15558 calling simplify_gen_subreg on it.
15560 2021-02-10 Martin Liska <mliska@suse.cz>
15562 * config/nvptx/nvptx.c (nvptx_option_override): Use
15563 flag_patchable_function_entry instead of the removed
15564 function_entry_patch_area_size.
15566 2021-02-10 Martin Liska <mliska@suse.cz>
15568 PR tree-optimization/99002
15569 PR tree-optimization/99026
15570 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
15571 leak when adjacent cases are merged.
15572 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
15574 (make_pass_lower_switch): Remove trailing whitespace.
15575 * tree-switch-conversion.h (release_clusters): New.
15577 2021-02-10 Richard Biener <rguenther@suse.de>
15579 PR rtl-optimization/99054
15580 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
15581 (fixup_partitions): Adjust.
15582 (rtl_verify_edges): Likewise.
15584 2021-02-10 Jakub Jelinek <jakub@redhat.com>
15586 PR middle-end/99007
15587 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
15588 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
15591 2021-02-10 Richard Biener <rguenther@suse.de>
15594 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
15597 2021-02-10 Richard Biener <rguenther@suse.de>
15599 PR tree-optimization/99024
15600 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
15601 clear loop->aux if it is associated with the destroyed loop_vinfo.
15603 2021-02-10 Martin Liska <mliska@suse.cz>
15605 PR tree-optimization/99002
15606 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
15609 2021-02-10 Martin Liska <mliska@suse.cz>
15612 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
15613 a reference exists.
15615 2021-02-10 Jakub Jelinek <jakub@redhat.com>
15618 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
15619 at class scope for DWARF5+.
15621 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
15623 PR rtl-optimization/96015
15624 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
15625 (relax_delay_slots): When deleting a jump to the next active
15626 instruction over a barrier, first delete the barrier if the
15627 jump is the only way to reach the target label.
15629 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
15631 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
15632 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
15633 vector multiplies and vect.alu for SSRA.
15634 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
15635 vect.mul cost field.
15636 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
15637 * config/arm/arm.c: Likewise.
15639 2021-02-09 Richard Biener <rguenther@suse.de>
15641 PR tree-optimization/98863
15642 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
15643 * tree-ssa-sccvn.c (last_pushed_avail): New global.
15644 (rpo_elim::eliminate_push_avail): Chain pushed avails.
15645 (unwind_state::avail_top): Add.
15646 (do_unwind): Rewrite unwinding of avail entries.
15647 (do_rpo_vn): Initialize last_pushed_avail and
15648 avail_top of the undo state.
15650 2021-02-09 Jakub Jelinek <jakub@redhat.com>
15652 PR middle-end/99004
15653 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
15654 const char * to char * and free those pointers after use.
15656 2021-02-09 Richard Biener <rguenther@suse.de>
15658 PR tree-optimization/99017
15659 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
15660 zero vector cost entries.
15662 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
15664 PR middle-end/98974
15665 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
15666 parameter in vectorizable_condition.
15668 2021-02-08 Richard Biener <rguenther@suse.de>
15671 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
15673 2021-02-08 Martin Liska <mliska@suse.cz>
15676 * cfgexpand.c (pass_expand::execute): Parse per-function option
15677 flag_patchable_function_entry and use it.
15678 * common.opt: Remove function_entry_patch_area_size and
15679 function_entry_patch_area_start global variables.
15680 * opts.c (parse_and_check_patch_area): New function.
15681 (common_handle_option): Use it.
15682 * opts.h (parse_and_check_patch_area): New function.
15683 * toplev.c (process_options): Parse and use
15684 function_entry_patch_area_size.
15686 2021-02-08 Martin Sebor <msebor@redhat.com>
15688 * doc/extend.texi (attribute malloc): Correct typos.
15690 2021-02-05 Nathan Sidwell <nathan@acm.org>
15693 * gcc.c (driver::maybe_run_linker): Check for input file
15694 accessibility if not linking.
15696 2021-02-05 Richard Biener <rguenther@suse.de>
15698 PR tree-optimization/98855
15699 * tree-vectorizer.h (add_stmt_cost): New overload.
15700 * tree-vect-slp.c (li_cost_vec_cmp): New.
15701 (vect_bb_slp_scalar_cost): Cost individual loop regions
15702 separately. Account for the scalar instance root stmt.
15704 2021-02-05 Tom de Vries <tdevries@suse.de>
15707 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
15709 (bit_test_cluster::emit): Reuse location_t for newly created
15711 (switch_decision_tree::try_switch_expansion): Preserve
15713 * tree-switch-conversion.h: Change function signatures.
15715 2021-02-05 Jakub Jelinek <jakub@redhat.com>
15718 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
15719 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
15720 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
15721 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
15723 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15725 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
15726 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
15727 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
15728 (vget_high_f16): Reimplement using new builtin.
15729 (vget_high_f32): Likewise.
15730 (vget_high_f64): Likewise.
15731 (vget_high_p8): Likewise.
15732 (vget_high_p16): Likewise.
15733 (vget_high_p64): Likewise.
15734 (vget_high_s8): Likewise.
15735 (vget_high_s16): Likewise.
15736 (vget_high_s32): Likewise.
15737 (vget_high_s64): Likewise.
15738 (vget_high_u8): Likewise.
15739 (vget_high_u16): Likewise.
15740 (vget_high_u32): Likewise.
15741 (vget_high_u64): Likewise.
15743 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15745 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
15746 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
15747 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
15748 (vget_low_f16): Reimplement using new builtin.
15749 (vget_low_f32): Likewise.
15750 (vget_low_f64): Likewise.
15751 (vget_low_p8): Likewise.
15752 (vget_low_p16): Likewise.
15753 (vget_low_p64): Likewise.
15754 (vget_low_s8): Likewise.
15755 (vget_low_s16): Likewise.
15756 (vget_low_s32): Likewise.
15757 (vget_low_s64): Likewise.
15758 (vget_low_u8): Likewise.
15759 (vget_low_u16): Likewise.
15760 (vget_low_u32): Likewise.
15761 (vget_low_u64): Likewise.
15763 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
15765 * gcc.c (print_multilib_info): Check all required argument is provided
15768 2021-02-05 liuhongt <hongtao.liu@intel.com>
15771 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
15772 generate integer mask comparison for 128/256-bits vector when
15773 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
15774 delete redundant !maskcmp condition.
15775 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
15777 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
15778 condition directly to if (maskcmp), add extra check for
15779 cmpmode, it should be MODE_INT.
15780 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
15781 parameters op_true/op_false.
15782 (ix86_use_mask_cmp_p): New.
15784 2021-02-05 liuhongt <hongtao.liu@intel.com>
15787 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
15788 Remove m_GENERIC from ~list.
15789 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
15791 2021-02-04 David Malcolm <dmalcolm@redhat.com>
15794 * diagnostic-show-locus.c (compatible_locations_p): Require
15795 locations in the same macro map to be either both from the
15796 macro definition, or both from the macro arguments.
15798 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
15800 * config/aarch64/aarch64-simd-builtins.def: Add
15801 [su]mull_hi_lane[q] builtin generator macros.
15802 * config/aarch64/aarch64-simd.md
15803 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
15804 (aarch64_<su>mull_hi_lane<mode>): Define.
15805 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
15806 (aarch64_<su>mull_hi_laneq<mode>): Define.
15807 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
15808 builtin instead of inline asm.
15809 (vmull_high_lane_s32): Likewise.
15810 (vmull_high_lane_u16): Likewise.
15811 (vmull_high_lane_u32): Likewise.
15812 (vmull_high_laneq_s16): Likewise.
15813 (vmull_high_laneq_s32): Likewise.
15814 (vmull_high_laneq_u16): Likewise.
15815 (vmull_high_laneq_u32): Liekwise.
15817 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
15819 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
15820 builtin generator macros.
15821 * config/aarch64/aarch64-simd.md
15822 (aarch64_<su>mull_hi_n<mode>_insn): Define.
15823 (aarch64_<su>mull_hi_n<mode>): Define.
15824 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
15825 instead of inline asm.
15826 (vmull_high_n_s32): Likewise.
15827 (vmull_high_n_u16): Likewise.
15828 (vmull_high_n_u32): Likewise.
15830 2021-02-04 Richard Biener <rguenther@suse.de>
15832 PR tree-optimization/98855
15833 * tree-vect-loop.c (vectorizable_phi): Do not cost
15834 single-argument PHIs.
15835 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
15836 * tree-vect-stmts.c (vectorizable_bswap): Also perform
15837 costing for SLP operation.
15839 2021-02-04 Martin Liska <mliska@suse.cz>
15841 * doc/extend.texi: Mention -mprefer-vector-width in target
15844 2021-02-03 Martin Sebor <msebor@redhat.com>
15846 PR tree-optimization/98937
15847 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
15848 Flush pointer_query cache.
15850 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
15852 * config/rs6000/genfusion.pl (gen_2logical): Add missing
15853 fixes based on patch review.
15854 * config/rs6000/fusion.md: Regenerate file.
15856 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
15858 * config/rs6000/t-rs6000: Comment out auto generation of
15861 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
15863 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
15864 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
15865 (output_file_start): Add gfx908.
15866 * config/gcn/gcn.opt (gpu_type): Add gfx908.
15867 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
15868 (MULTILIB_DIRNAMES): Add gfx908.
15869 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
15870 (main): Recognize gfx908.
15871 * config/gcn/t-omp-device: Add gfx908.
15873 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
15875 * config/aarch64/aarch64-simd-builtins.def: Add
15876 [su]mlsl_hi_lane[q] builtin macro generators.
15877 * config/aarch64/aarch64-simd.md
15878 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
15879 (aarch64_<su>mlsl_hi_lane<mode>): Define.
15880 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
15881 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
15882 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
15883 builtin instead of inline asm.
15884 (vmlsl_high_lane_s32): Likewise.
15885 (vmlsl_high_lane_u16): Likewise.
15886 (vmlsl_high_lane_u32): Likewise.
15887 (vmlsl_high_laneq_s16): Likewise.
15888 (vmlsl_high_laneq_s32): Likewise.
15889 (vmlsl_high_laneq_u16): Likewise.
15890 (vmlsl_high_laneq_u32): Likewise.
15891 (vmlal_high_laneq_u32): Likewise.
15893 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
15895 * config/aarch64/aarch64-simd-builtins.def: Add
15896 [su]mlal_hi_lane[q] builtin generator macros.
15897 * config/aarch64/aarch64-simd.md
15898 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
15899 (aarch64_<su>mlal_hi_lane<mode>): Define.
15900 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
15901 (aarch64_<su>mlal_hi_laneq<mode>): Define.
15902 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
15903 builtin instead of inline asm.
15904 (vmlal_high_lane_s32): Likewise.
15905 (vmlal_high_lane_u16): Likewise.
15906 (vmlal_high_lane_u32): Likewise.
15907 (vmlal_high_laneq_s16): Likewise.
15908 (vmlal_high_laneq_s32): Likewise.
15909 (vmlal_high_laneq_u16): Likewise.
15910 (vmlal_high_laneq_u32): Likewise.
15912 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
15914 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
15915 builtin generator macros.
15916 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
15918 (aarch64_<su>mlsl_hi_n<mode>): Define.
15919 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
15920 instead of inline asm.
15921 (vmlsl_high_n_s32): Likewise.
15922 (vmlsl_high_n_u16): Likewise.
15923 (vmlsl_high_n_u32): Likewise.
15925 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
15927 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
15928 builtin generator macros.
15929 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
15931 (aarch64_<su>mlal_hi_n<mode>): Define.
15932 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
15933 instead of inline asm.
15934 (vmlal_high_n_s32): Likewise.
15935 (vmlal_high_n_u16): Likewise.
15936 (vmlal_high_n_u32): Likewise.
15938 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
15940 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
15942 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
15944 (aarch64_<su>mlal_hi<mode>_insn): This.
15945 (aarch64_<su>mlal_hi<mode>): Define.
15946 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
15947 instead of inline asm.
15948 (vmlal_high_s16): Likewise.
15949 (vmlal_high_s32): Likewise.
15950 (vmlal_high_u8): Likewise.
15951 (vmlal_high_u16): Likewise.
15952 (vmlal_high_u32): Likewise.
15954 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
15956 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
15957 after calling alter_subreg() on a (mem).
15959 2021-02-03 Martin Liska <mliska@suse.cz>
15962 * lto-streamer-out.c (produce_lto_section): Fill up missing
15964 * lto-streamer.h (struct lto_section): Add _padding field.
15966 2021-02-03 Richard Biener <rguenther@suse.de>
15968 * lto-streamer.c (lto_get_section_name): Free temporary
15970 * tree-loop-distribution.c
15971 (loop_distribution::merge_dep_scc_partitions): Free edge data.
15973 2021-02-03 Jakub Jelinek <jakub@redhat.com>
15975 PR middle-end/97487
15976 * ifcvt.c (noce_can_force_operand): New function.
15977 (noce_emit_move_insn): Use it.
15978 (noce_try_sign_mask): Likewise. Formatting fix.
15980 2021-02-03 Jakub Jelinek <jakub@redhat.com>
15982 PR middle-end/97971
15983 * lra-constraints.c (process_alt_operands): For inline asm, don't call
15984 fatal_insn, but instead return false.
15986 2021-02-03 Jakub Jelinek <jakub@redhat.com>
15988 PR tree-optimization/98287
15989 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
15992 2021-02-03 Tamar Christina <tamar.christina@arm.com>
15994 PR tree-optimization/98928
15995 * tree-vect-loop.c (vect_analyze_loop_2): Change
15996 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
15997 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
15998 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
15999 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
16001 2021-02-02 Richard Biener <rguenther@suse.de>
16003 * gimple-loop-interchange.cc (prepare_data_references):
16005 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
16006 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
16007 * tree-vect-stmts.c (vectorizable_condition): Do not
16009 (vectorizable_comparison): Likewise.
16011 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16013 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
16014 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
16015 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
16016 (vrsqrteq_u32): Likewise.
16018 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16020 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
16021 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
16022 (aarch64_sqxtun2<mode>_be): Likewise.
16023 (aarch64_sqxtun2<mode>): Likewise.
16024 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
16025 (vqmovun_high_s32): Likewise.
16026 (vqmovun_high_s64): Likewise.
16027 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
16029 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16031 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
16033 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
16035 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16037 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
16038 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
16039 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
16040 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
16041 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
16042 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
16043 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
16044 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
16046 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16048 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
16049 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
16050 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
16052 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16054 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
16055 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
16057 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16059 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
16060 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
16061 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
16062 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
16063 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
16064 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
16065 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
16066 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
16067 NONE builtin flags.
16069 2021-02-02 Jakub Jelinek <jakub@redhat.com>
16071 PR tree-optimization/98848
16072 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
16073 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
16075 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
16078 * expr.c: Check mode before calling store_expr.
16080 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
16082 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
16084 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
16085 instruction using expression ior.
16086 (mve_vornq_u<mode>): New expander.
16087 (mve_vornq_f<mode>): Use ior code instead of unspec.
16088 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
16090 2021-02-02 Alexandre Oliva <oliva@adacore.com>
16092 * tree-nested.c (convert_nonlocal_reference_op): Move
16093 current_function_decl restore after re-gimplification.
16094 (convert_local_reference_op): Likewise.
16096 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16098 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
16100 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
16102 (aarch64_rshrn<mode>_insn_be): Likewise.
16103 (aarch64_rshrn<mode>): Likewise.
16104 (aarch64_rshrn2<mode>_insn_le): Likewise.
16105 (aarch64_rshrn2<mode>_insn_be): Likewise.
16106 (aarch64_rshrn2<mode>): Likewise.
16107 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
16108 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
16110 (vrshrn_high_n_s32): Likewise.
16111 (vrshrn_high_n_s64): Likewise.
16112 (vrshrn_high_n_u16): Likewise.
16113 (vrshrn_high_n_u32): Likewise.
16114 (vrshrn_high_n_u64): Likewise.
16115 (vrshrn_n_s16): Likewise.
16116 (vrshrn_n_s32): Likewise.
16117 (vrshrn_n_s64): Likewise.
16118 (vrshrn_n_u16): Likewise.
16119 (vrshrn_n_u32): Likewise.
16120 (vrshrn_n_u64): Likewise.
16122 2021-02-01 Sergei Trofimovich <siarheit@google.com>
16124 PR tree-optimization/98499
16125 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
16126 conservatively and assume all possible side-effects.
16128 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16130 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
16131 vec_unpacku_hi_): Define builtins.
16132 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
16134 (vmovl_high_s16): Likewise.
16135 (vmovl_high_s32): Likewise.
16136 (vmovl_high_u8): Likewise.
16137 (vmovl_high_u16): Likewise.
16138 (vmovl_high_u32): Likewise.
16140 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16142 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
16144 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
16146 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
16148 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
16150 (vabdl_s16): Likewise.
16151 (vabdl_s32): Likewise.
16152 (vabdl_u8): Likewise.
16153 (vabdl_u16): Likewise.
16154 (vabdl_u32): Likewise.
16155 * config/aarch64/iterators.md (ABDL): New int iterator.
16156 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
16158 2021-02-01 Martin Sebor <msebor@redhat.com>
16160 * tree.h (BLOCK_VARS): Add comment.
16161 (BLOCK_SUBBLOCKS): Same.
16162 (BLOCK_SUPERCONTEXT): Same.
16163 (BLOCK_ABSTRACT_ORIGIN): Same.
16164 (inlined_function_outer_scope_p): Same.
16166 2021-02-01 Martin Sebor <msebor@redhat.com>
16168 PR middle-end/97172
16169 * attribs.c (attr_access::free_lang_data): Define new function.
16170 * attribs.h (attr_access::free_lang_data): Declare new function.
16172 2021-02-01 Richard Biener <rguenther@suse.de>
16174 * vec.h (auto_vec::auto_vec): Add memory stat parameters
16176 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
16178 2021-02-01 Tamar Christina <tamar.christina@arm.com>
16180 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
16181 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
16183 2021-02-01 Richard Biener <rguenther@suse.de>
16185 PR rtl-optimization/98863
16186 * config/i386/i386-features.c (convert_scalars_to_vector):
16187 Set DF_RD_PRUNE_DEAD_DEFS.
16189 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
16191 * system.h (SIZE_MAX): Define if not already defined.
16193 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
16195 * config/rs6000/genfusion.pl (gen_2logical): New function to
16196 generate patterns for logical-logical fusion.
16197 * config/rs6000/fusion.md: Regenerated patterns.
16198 * config/rs6000/rs6000-cpus.def: Add
16199 OPTION_MASK_P10_FUSION_2LOGICAL.
16200 * config/rs6000/rs6000.c (rs6000_option_override_internal):
16201 Enable logical-logical fusion for p10.
16202 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
16204 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
16206 * config/rs6000/rs6000.opt: Add periods to new AIX options.
16208 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
16210 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
16211 (mabi=vec-default): New.
16212 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
16213 __EXTABI__ for AIX Vector extended ABI.
16214 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
16216 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
16218 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
16220 2021-01-30 Jakub Jelinek <jakub@redhat.com>
16222 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
16223 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
16225 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
16228 * lra-constraints.c (in_class_p): Don't narrow class only for REG
16231 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
16233 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
16234 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
16235 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
16237 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
16239 PR tree-optimization/98866
16240 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
16241 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
16242 (gori_map::m_maybe_invariant): Rename from all_outgoing.
16243 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
16244 (gori_map::is_export_p): Ditto.
16245 (gori_map::calculate_gori): Ditto.
16246 (gori_compute::set_range_invariant): New.
16247 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
16248 invariant for pointers evaluating to [1, +INF].
16250 2021-01-29 Richard Biener <rguenther@suse.de>
16252 PR rtl-optimization/98863
16253 * config/i386/i386-features.c (remove_partial_avx_dependency):
16254 Do not perform DF analysis.
16255 (pass_data_remove_partial_avx_dependency): Remove
16258 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
16260 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
16261 builtin generator macros.
16262 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
16264 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
16265 instead of inline asm.
16266 (vmull_n_s32): Likewise.
16267 (vmull_n_u16): Likewise.
16268 (vmull_n_u32): Likewise.
16270 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16272 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
16274 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
16276 (aarch64_<sur>abdl2<mode>): ... This.
16277 (<sur>sadv16qi): Adjust use of above.
16278 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
16280 (vabdl_high_s16): Likewise.
16281 (vabdl_high_s32): Likewise.
16282 (vabdl_high_u8): Likewise.
16283 (vabdl_high_u16): Likewise.
16284 (vabdl_high_u32): Likewise.
16286 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16288 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
16290 (uabal2): Likewise.
16291 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
16293 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
16295 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
16297 (vabal_high_s16): Likewise.
16298 (vabal_high_s32): Likewise.
16299 (vabal_high_u8): Likewise.
16300 (vabal_high_u16): Likewise.
16301 (vabal_high_u32): Likewise.
16302 * config/aarch64/iterators.md (ABAL2): New mode iterator.
16303 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
16305 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16307 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
16310 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
16312 (aarch64_<sur>abal<mode>): ... This
16313 (<sur>sadv16qi): Adust use of the above.
16314 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
16316 (vabal_s16): Likewise.
16317 (vabal_s32): Likewise.
16318 (vabal_u8): Likewise.
16319 (vabal_u16): Likewise.
16320 (vabal_u32): Likewise.
16322 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16324 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
16326 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
16328 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
16330 (vaddlv_s16): Likewise.
16331 (vaddlv_u8): Likewise.
16332 (vaddlv_u16): Likewise.
16333 (vaddlvq_s8): Likewise.
16334 (vaddlvq_s16): Likewise.
16335 (vaddlvq_s32): Likewise.
16336 (vaddlvq_u8): Likewise.
16337 (vaddlvq_u16): Likewise.
16338 (vaddlvq_u32): Likewise.
16339 (vaddlv_s32): Likewise.
16340 (vaddlv_u32): Likewise.
16341 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
16342 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
16343 (Vwstype): New mode attribute.
16345 (VWIDE_S): Likewise.
16346 (USADDLV): New int iterator.
16347 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
16349 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
16351 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
16352 builtin generator macros.
16353 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
16355 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
16356 instead of inline asm.
16357 (vmlsl_lane_s32): Likewise.
16358 (vmlsl_lane_u16): Likewise.
16359 (vmlsl_lane_u32): Likewise.
16360 (vmlsl_laneq_s16): Likewise.
16361 (vmlsl_laneq_s32): Likewise.
16362 (vmlsl_laneq_u16): Likewise.
16363 (vmlsl_laneq_u32): Likewise.
16365 2021-01-29 Richard Biener <rguenther@suse.de>
16367 * doc/invoke.texi (--param max-gcse-memory): Document unit
16369 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
16370 * params.opt (--param max-gcse-memory): Adjust default and
16371 document unit of size.
16373 2021-01-29 Richard Biener <rguenther@suse.de>
16375 PR rtl-optimization/98863
16376 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
16377 HOST_WIDE_INT for the memory estimate.
16379 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
16380 Richard Biener <rguenther@suse.de>
16382 PR tree-optimization/97627
16383 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
16384 Do not analyze fake edges.
16386 2021-01-29 Richard Biener <rguenther@suse.de>
16388 PR rtl-optimization/98144
16389 * df.h (df_mir_bb_info): Add con_visited member.
16390 * df-problems.c (df_mir_alloc): Initialize con_visited,
16391 do not fully populate IN and OUT.
16392 (df_mir_reset): Likewise.
16393 (df_mir_confluence_0): Set con_visited.
16394 (df_mir_confluence_n): Properly handle implicitely
16395 fully populated IN and OUT as designated by con_visited
16396 and update con_visited accordingly.
16398 2021-01-29 Jakub Jelinek <jakub@redhat.com>
16401 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
16402 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
16403 && !TARGET_REALLY_IWMMXT to conditions.
16405 2021-01-29 Jakub Jelinek <jakub@redhat.com>
16408 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
16411 2021-01-28 Marek Polacek <polacek@redhat.com>
16414 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
16415 the main variant, maybe reset it in its variants too.
16416 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
16417 (check_aligned_type): Check if TYPE_USER_ALIGN match.
16419 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
16422 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
16423 of constant zero for comparisons.
16425 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
16427 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
16428 support for mapping built-in function names for long double
16429 built-in functions if long double is IEEE 128-bit.
16431 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
16433 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
16434 builtin generator macros.
16435 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
16437 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
16438 instead of inline asm.
16439 (vmlsl_n_s32): Likewise.
16440 (vmlsl_n_u16): Likewise.
16441 (vmlsl_n_u32): Likewise.
16443 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
16445 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
16446 builtin generator macros.
16447 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
16449 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
16450 instead of inline asm.
16451 (vmlal_n_s32): Likewise.
16452 (vmlal_n_u16): Likewise.
16453 (vmlal_n_u32): Likewise.
16455 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16457 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
16459 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
16461 (aarch64_shrn2<mode>_insn_be): Likewise.
16462 (aarch64_shrn2<mode>): Likewise.
16463 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
16465 (vshrn_high_n_s32): Likewise.
16466 (vshrn_high_n_s64): Likewise.
16467 (vshrn_high_n_u16): Likewise.
16468 (vshrn_high_n_u32): Likewise.
16469 (vshrn_high_n_u64): Likewise.
16471 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16473 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
16475 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
16477 (aarch64_shrn<mode>_insn_be): Likewise.
16478 (aarch64_shrn<mode>): Likewise.
16479 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
16481 (vshrn_n_s32): Likewise.
16482 (vshrn_n_s64): Likewise.
16483 (vshrn_n_u16): Likewise.
16484 (vshrn_n_u32): Likewise.
16485 (vshrn_n_u64): Likewise.
16486 * config/aarch64/iterators.md (vn_mode): New mode attribute.
16488 2021-01-28 Richard Biener <rguenther@suse.de>
16490 PR rtl-optimization/80960
16491 * dse.c (check_mem_read_rtx): Call get_addr on the
16494 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
16495 David Edelsohn <dje.gcc@gmail.com>
16498 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16499 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
16501 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
16503 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
16504 wrapper call rs6000_expand_vector_set_var for cleanup. Call
16505 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
16507 (rs6000_expand_vector_set_var): Delete.
16508 (rs6000_expand_vector_set_var_p9): Make static.
16509 (rs6000_expand_vector_set_var_p8): Make static.
16511 2021-01-28 Xing GUO <higuoxing@gmail.com>
16513 * common/config/riscv/riscv-common.c
16514 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
16515 when `p` extension exists.
16517 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
16519 PR rtl-optimization/97684
16520 * ira.c (ira): Call ira_set_pseudo_classes before
16521 update_equiv_regs when it is necessary.
16523 2021-01-27 Jakub Jelinek <jakub@redhat.com>
16526 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
16527 %w0, %w1 and %2 instead of %0, %1 and %2.
16529 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
16531 * config/rs6000/genfusion.pl: New script to generate
16532 define_insn_and_split patterns so combine can arrange fused
16533 instructions next to each other.
16534 * config/rs6000/fusion.md: New file, generated fused instruction
16535 patterns for combine.
16536 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
16537 (non_update_memory_operand): New predicate.
16538 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
16539 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
16541 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
16543 * config/rs6000/rs6000.c (rs6000_option_override_internal):
16544 Automatically set OPTION_MASK_P10_FUSION and
16545 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
16546 (rs600_opt_masks): Allow -mpower10-fusion
16547 in function attributes.
16548 (address_is_non_pfx_d_or_x): New function.
16549 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
16550 * config/rs6000/rs6000.md: Include fusion.md.
16551 * config/rs6000/rs6000.opt: Add -mpower10-fusion
16552 and -mpower10-fusion-ld-cmpi.
16553 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
16555 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
16557 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
16558 builtin generator macros.
16559 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
16561 (aarch64_<su>mlal<mode>): This.
16562 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
16563 instead of inline asm.
16564 (vmlal_s16): Likewise.
16565 (vmlal_s32): Likewise.
16566 (vmlal_u8): Likewise.
16567 (vmlal_u16): Likewise.
16568 (vmlal_u32): Likewise.
16570 2021-01-27 Richard Biener <rguenther@suse.de>
16572 PR tree-optimization/98854
16573 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
16574 PHIs from scalars when the number of CTORs matches the
16575 number of children.
16577 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
16579 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
16581 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
16583 (aarch64_mls_n<mode>): This.
16584 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
16586 (vmls_n_s32): Likewise.
16587 (vmls_n_u16): Likewise.
16588 (vmls_n_u32): Likewise.
16589 (vmlsq_n_s16): Likewise.
16590 (vmlsq_n_s32): Likewise.
16591 (vmlsq_n_u16): Likewise.
16592 (vmlsq_n_u32): Likewise.
16594 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
16596 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
16598 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
16600 (vmls_s16): Likewise.
16601 (vmls_s32): Likewise.
16602 (vmls_u8): Likewise.
16603 (vmls_u16): Likewise.
16604 (vmls_u32): Likewise.
16605 (vmlsq_s8): Likewise.
16606 (vmlsq_s16): Likewise.
16607 (vmlsq_s32): Likewise.
16608 (vmlsq_u8): Likewise.
16609 (vmlsq_u16): Likewise.
16610 (vmlsq_u32): Likewise.
16612 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
16614 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
16616 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
16618 (aarch64_mla_n<mode>): This.
16619 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
16621 (vmla_n_s32): Likewise.
16622 (vmla_n_u16): Likewise.
16623 (vmla_n_u32): Likewise.
16624 (vmlaq_n_s16): Likewise.
16625 (vmlaq_n_s32): Likewise.
16626 (vmlaq_n_u16): Likewise.
16627 (vmlaq_n_u32): Likewise.
16629 2021-01-27 liuhongt <hongtao.liu@intel.com>
16632 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
16633 (*sse2_eq<mode>3): Ditto.
16635 2021-01-27 Jakub Jelinek <jakub@redhat.com>
16637 * tree-pass.h (PROP_trees): Rename to ...
16638 (PROP_gimple): ... this.
16639 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
16640 * passes.c (execute_function_dump, execute_function_todo,
16641 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
16642 * varpool.c (ctor_for_folding): Likewise.
16644 2021-01-27 Jakub Jelinek <jakub@redhat.com>
16646 PR tree-optimization/97260
16647 * varpool.c: Include tree-pass.h.
16648 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
16649 non-TREE_SIDE_EFFECTS automatic variables.
16651 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
16653 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
16655 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
16656 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
16657 (gen_compile_unit_die): Recognise C++23.
16659 2021-01-26 Jakub Jelinek <jakub@redhat.com>
16662 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
16665 2021-01-26 Jakub Jelinek <jakub@redhat.com>
16668 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
16669 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
16670 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
16672 2021-01-26 Richard Biener <rguenther@suse.de>
16674 * gimple-pretty-print.c (dump_binary_rhs): Handle
16675 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
16677 2021-01-26 Richard Biener <rguenther@suse.de>
16679 PR middle-end/98726
16680 * tree.h (vector_cst_int_elt): Remove.
16681 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
16684 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
16686 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
16687 for V64DFmode min/max reductions.
16689 2021-01-26 Jakub Jelinek <jakub@redhat.com>
16691 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
16692 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
16693 two halves, one with x and the other with const0_rtx, ordered
16694 depending on endianity.
16696 2021-01-26 Alexandre Oliva <oliva@adacore.com>
16698 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
16699 temporaries not seen in binding block, and not about to be
16700 added as gimple variables.
16702 2021-01-25 Martin Sebor <msebor@redhat.com>
16705 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
16707 2021-01-25 Martin Liska <mliska@suse.cz>
16709 * value-prof.c (get_nth_most_common_value): Use %s instead
16712 2021-01-25 Jakub Jelinek <jakub@redhat.com>
16715 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
16716 readelf -wi is able to read the emitted .debug_info back.
16717 * configure: Regenerated.
16719 2021-01-25 Martin Liska <mliska@suse.cz>
16721 PR gcov-profile/98739
16722 * common.opt: Add missing sign symbol.
16723 * value-prof.c (get_nth_most_common_value): Restore handling
16724 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
16725 PROFILE_REPRODUCIBILITY_MULTITHREADED.
16727 2021-01-25 Richard Biener <rguenther@suse.de>
16729 PR middle-end/98807
16730 * tree.c (vector_element_bits): Always use precision of
16731 the element type for boolean vectors.
16733 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
16735 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
16736 (ENDFILE_SPEC): Evaluate qnolinkcmds.
16738 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
16740 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
16741 nostartfiles handling since this is already done by
16742 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
16743 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
16744 is already done by LINK_COMMAND_SPEC.
16745 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
16746 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
16749 2021-01-25 Jakub Jelinek <jakub@redhat.com>
16752 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
16753 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
16754 value rather than host size_t.
16755 (fold_const_call): Change type of s2 from size_t to
16756 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
16757 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
16758 instead of s2 as last argument.
16760 2021-01-25 Tamar Christina <tamar.christina@arm.com>
16762 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
16763 VCMLA_OP, VCMUL_OP): New.
16764 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
16765 * config/arm/neon.md (cmul<conj_op><mode>3): New.
16766 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
16767 UNSPEC_VCMUL_CONJ): New.
16768 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
16769 cml<fcmac1><conj_op><mode>4): New.
16771 2021-01-23 Jakub Jelinek <jakub@redhat.com>
16774 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
16776 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
16778 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
16780 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
16782 (vmla_s16): Likewise.
16783 (vmla_s32): Likewise.
16784 (vmla_u8): Likewise.
16785 (vmla_u16): Likewise.
16786 (vmla_u32): Likewise.
16787 (vmlaq_s8): Likewise.
16788 (vmlaq_s16): Likewise.
16789 (vmlaq_s32): Likewise.
16790 (vmlaq_u8): Likewise.
16791 (vmlaq_u16): Likewise.
16792 (vmlaq_u32): Likewise.
16794 2021-01-22 David Malcolm <dmalcolm@redhat.com>
16796 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
16799 2021-01-22 Jakub Jelinek <jakub@redhat.com>
16802 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
16803 filenames to emit, still emit the required 0 index directory and
16804 filename entries that match DW_AT_comp_dir and DW_AT_name of the
16807 2021-01-22 Marek Polacek <polacek@redhat.com>
16810 * doc/invoke.texi: Update C++ ABI Version 15 description.
16812 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16814 PR tree-optimization/98766
16815 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
16816 comparing against type size with param_avoid_fma_max_bits.
16818 2021-01-22 Richard Biener <rguenther@suse.de>
16820 PR middle-end/98793
16821 * tree.c (vector_element_bits): Key single-bit bool vector on
16822 integer mode rather than not vector mode.
16824 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
16827 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16828 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
16830 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
16831 to call different path for P8 and P9.
16832 (rs6000_expand_vector_set_var_p9): New function.
16833 (rs6000_expand_vector_set_var_p8): New function.
16835 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
16839 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16840 Ajdust variable index vec_insert from address dereference to
16841 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
16842 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
16844 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
16846 2021-01-22 Martin Liska <mliska@suse.cz>
16848 PR gcov-profile/98739
16849 * profile.c (compute_value_histograms): Drop time profile for
16850 -fprofile-reproducible=multithreaded.
16852 2021-01-22 Nathan Sidwell <nathan@acm.org>
16854 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
16857 2021-01-22 Richard Biener <rguenther@suse.de>
16859 PR middle-end/98773
16860 * tree-data-ref.c (initalize_matrix_A): Revert previous
16861 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
16863 2021-01-22 Jakub Jelinek <jakub@redhat.com>
16865 PR tree-optimization/90248
16866 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
16867 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
16869 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
16870 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
16872 2021-01-22 Jakub Jelinek <jakub@redhat.com>
16874 PR tree-optimization/98255
16875 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
16876 extend index - low_bound from sizetype's precision rather than index
16878 (get_addr_base_and_unit_offset_1): Likewise.
16879 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
16880 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
16882 2021-01-22 Richard Biener <rguenther@suse.de>
16884 PR tree-optimization/98786
16885 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
16886 adding new uses of abnormals. Verify we deal with a conditional
16889 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
16892 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
16894 2021-01-22 liuhongt <hongtao.liu@intel.com>
16898 * config/i386/sse.md (VI_128_256): New mode iterator.
16899 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
16900 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
16901 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
16902 define_insn_and_split to lower avx512 vector comparison to avx
16903 version when dest is vector.
16904 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
16905 define_insn_and_split for negating the comparison result.
16906 * config/i386/predicates.md (float_vector_all_ones_operand):
16908 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
16909 general NOT operator without UNSPEC_MASKOP.
16911 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
16913 PR rtl-optimization/98777
16914 * lra-int.h (lra_pmode_pseudo): New extern.
16915 * lra.c (lra_pmode_pseudo): New global.
16917 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
16919 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
16921 * fwprop.c (fwprop_propagation::classify_result): Allow
16922 (subreg (mem)) simplifications.
16924 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16926 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
16928 (aarch64_sqdmlal<mode>): ... This...
16929 (aarch64_sqdmlsl<mode>): ... And this.
16930 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
16931 (aarch64_sqdmlal_lane<mode>): ... This...
16932 (aarch64_sqdmlsl_lane<mode>): ... And this.
16933 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
16934 (aarch64_sqdmlsl_laneq<mode>): ... This...
16935 (aarch64_sqdmlal_laneq<mode>): ... And this.
16936 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
16937 (aarch64_sqdmlsl_n<mode>): ... This...
16938 (aarch64_sqdmlal_n<mode>): ... And this.
16939 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
16940 (aarch64_sqdmlal2<mode>_internal): ... This...
16941 (aarch64_sqdmlsl2<mode>_internal): ... And this.
16943 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
16945 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
16947 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
16950 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
16952 2021-01-21 liuhongt <hongtao.liu@intel.com>
16954 PR rtl-optimization/98694
16955 * regcprop.c (copy_value): If SRC had been assigned a mode
16956 narrower than the copy, we can't link DEST into the chain even
16957 they have same hard_regno_nregs(i.e. HImode/SImode in i386
16960 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16962 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
16963 Convert to define_insn_and_split. Split into simple move when moving
16966 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
16968 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
16969 Adjust comment. Simplify code.
16971 2021-01-20 Jakub Jelinek <jakub@redhat.com>
16974 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
16975 with DW_FORM_line_strp form.
16976 (prune_unused_types_update_strings): Don't add into debug_str_hash
16977 indirect strings with DW_FORM_line_strp form.
16978 (adjust_name_comp_dir): New function.
16979 (dwarf2out_finish): Call it on CU DIEs after resetting
16980 debug_line_str_hash.
16982 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
16984 PR rtl-optimization/98722
16985 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
16986 has no 3-op add insn to transform insns containing two pluses.
16988 2021-01-20 Richard Biener <rguenther@suse.de>
16990 * hwint.h (add_hwi): New function.
16991 (mul_hwi): Likewise.
16992 * tree-data-ref.c (initialize_matrix_A): Properly translate
16993 tree constants and avoid HOST_WIDE_INT_MIN.
16994 (lambda_matrix_row_add): Avoid undefined integer overflow
16995 and return true on such overflow.
16996 (lambda_matrix_right_hermite): Handle overflow from
16997 lambda_matrix_row_add gracefully. Simplify previous fix.
16998 (analyze_subscript_affine_affine): Likewise.
17000 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
17002 PR tree-optimization/96674
17003 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
17004 x >= y && y != XXX_MIN --> x > y - 1
17006 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
17008 PR tree-optimization/98535
17009 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
17010 If the high and low permutes are the same, remove the high permutes
17011 from the working set and only continue with the low ones.
17013 2021-01-20 Jakub Jelinek <jakub@redhat.com>
17015 PR tree-optimization/98721
17016 * builtins.c (access_ref::inform_access): Don't assume
17017 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
17018 object whenever allocfn is NULL, rather than only when DECL_P
17019 is true. Use %qE instead of %qD for that. Formatting fixes.
17021 2021-01-20 Richard Biener <rguenther@suse.de>
17023 PR tree-optimization/98758
17024 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
17025 (lambda_matrix_right_hermite): Avoid undefinedness with
17026 signed integer abs and multiplication.
17027 (analyze_subscript_affine_affine): Use lambda_int.
17029 2021-01-20 David Malcolm <dmalcolm@redhat.com>
17032 * dwarf2out.c (output_line_info): Rename static variable
17033 "generation", moving it out of the function to...
17034 (output_line_info_generation): New.
17035 (init_sections_and_labels): Likewise, renaming the variable to...
17036 (init_sections_and_labels_generation): New.
17037 (dwarf2out_c_finalize): Reset the new variables.
17039 2021-01-19 Martin Sebor <msebor@redhat.com>
17041 PR middle-end/98664
17042 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
17043 all functions, even if they're not declared artificial or inline.
17044 * tree.c (tree_inlined_location): Use macro expansion location
17045 only if scope traversal fails to expose one.
17047 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
17049 PR rtl-optimization/92294
17050 * alias.c (compare_base_symbol_refs): Take an extra parameter
17051 and add the distance between two symbols to it. Enshrine in
17052 comments that -1 means "either 0 or 1, but we can't tell
17053 which at compile time".
17054 (memrefs_conflict_p): Update call accordingly.
17055 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
17058 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17060 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
17061 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
17062 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
17063 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
17064 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
17065 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
17066 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
17067 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
17068 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
17069 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
17070 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
17071 sqmovun): Use NONE flags.
17073 2021-01-19 Richard Biener <rguenther@suse.de>
17076 * ipa-modref.c (analyze_stmt): Only record a summary for a
17079 2021-01-19 Richard Biener <rguenther@suse.de>
17081 PR middle-end/98638
17082 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
17084 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
17086 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
17087 built-in define __FIX_LEON3FT_TN0018.
17089 2021-01-19 Richard Biener <rguenther@suse.de>
17092 * tree-inline.c (tree_function_versioning): Set input_location
17093 to UNKNOWN_LOCATION throughout the function.
17095 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
17098 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
17100 2021-01-19 Martin Jambor <mjambor@suse.cz>
17103 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
17104 whether non-call exceptions allow removal of a statement.
17105 (isra_analyze_call): Pass the appropriate function to
17106 ssa_name_only_returned_p.
17108 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
17110 * config/riscv/arch-canonicalize (longext_sort): New function for
17111 sorting 'multi-letter'.
17112 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
17113 'alts'. The 'arch' may not be the first of 'alts'.
17114 (_expand_combination): Add underline for the 'ext' without '*'.
17115 This is because, a single-letter extension can always be treated well
17116 with a '_' prefix, but it cannot be separated out if it is appended
17119 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
17122 * ira.c (ira): Skip abnormal critical edge splitting.
17124 2021-01-18 Jakub Jelinek <jakub@redhat.com>
17126 PR tree-optimization/98727
17127 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
17128 second .MUL_OVERFLOW operand for signed multiplication with overflow
17129 checking if the second operand of multiplication is not constant.
17131 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
17133 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
17134 defaults to version 4.
17136 2021-01-18 David Malcolm <dmalcolm@redhat.com>
17138 * attribs.h (fndecl_dealloc_argno): New decl.
17139 * builtins.c (call_dealloc_argno): Split out second half of
17141 (fndecl_dealloc_argno): New.
17142 * doc/extend.texi (Common Function Attributes): Document the
17143 interaction between the analyzer and the malloc attribute.
17144 * doc/invoke.texi (Static Analyzer Options): Likewise.
17146 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
17148 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
17149 dwarf_version to 4.
17150 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17152 2021-01-17 Martin Jambor <mjambor@suse.cz>
17155 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
17158 2021-01-17 Mark Wielaard <mark@klomp.org>
17160 * common.opt (gdwarf-): Init(5).
17161 * doc/invoke.texi (-gdwarf): Document default to 5.
17163 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
17165 * builtin-types.def
17166 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
17168 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
17169 ...this. Add extra argument.
17170 * gimplify.c (omp_default_clause): Ensure that event handle is
17171 firstprivate in a task region.
17172 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
17173 (gimplify_adjust_omp_clauses): Likewise.
17174 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
17175 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
17176 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
17177 if detach clause specified. Add detach argument when generating
17179 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
17181 (finish_taskreg_scan): Move field for variable containing the event
17182 handle to the front of the struct.
17183 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
17185 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
17186 OMP_CLAUSE_DETACH clause.
17187 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
17188 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
17189 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
17191 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
17193 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
17195 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
17197 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
17198 multilib directory names. Use MULTILIB_REQUIRED instead of
17199 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
17200 -mcustom-fpu-cfg=fph2 multilib.
17202 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
17204 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
17205 (nios2_init_fpu_configs): Provide register values for new
17206 -mcustom-fpu-cfg=fph2 option variant.
17207 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
17210 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
17212 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
17213 custom instruction warnings.
17215 2021-01-16 Jakub Jelinek <jakub@redhat.com>
17217 PR tree-optimization/96669
17218 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
17220 2021-01-16 Jakub Jelinek <jakub@redhat.com>
17222 PR tree-optimization/96271
17223 * passes.def: Pass false argument to first two pass_cd_dce
17224 instances and true to last instance. Add comment that
17225 last instance rewrites no longer addressed locals.
17226 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
17228 (pass_cd_dce::set_pass_param): New method.
17229 (pass_cd_dce::execute): Return TODO_update_address_taken from
17230 last cd_dce instance.
17232 2021-01-15 Carl Love <cel@us.ibm.com>
17234 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
17236 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
17237 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
17238 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
17239 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
17240 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
17241 Add builtin define.
17242 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
17243 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
17244 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
17245 New overloaded definitions.
17246 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
17247 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
17248 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
17249 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
17250 P10V_BUILTIN_MULHU_V4SI]: Add case
17251 statement for builtins.
17252 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
17253 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
17254 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
17255 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
17256 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
17257 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
17258 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
17259 Add define_insn, mode is VIlong.
17260 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
17261 Add builtin descriptions.
17263 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
17265 * final.c (final_start_function_1): Reset force_source_line.
17267 2021-01-15 Jakub Jelinek <jakub@redhat.com>
17269 PR tree-optimization/96669
17270 * match.pd (((1 << A) & 1) != 0 -> A == 0,
17271 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
17272 possibly different power of two constants and to right shift too.
17274 2021-01-15 Jakub Jelinek <jakub@redhat.com>
17276 PR tree-optimization/96681
17277 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
17278 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
17279 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
17280 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
17282 2021-01-15 Alexandre Oliva <oliva@adacore.com>
17284 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
17286 2021-01-15 Tamar Christina <tamar.christina@arm.com>
17288 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
17289 cmul<conj_op><mode>3): New.
17290 * config/aarch64/iterators.md (UNSPEC_FCMUL,
17291 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
17292 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
17293 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
17294 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
17295 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
17296 (rot_op): Renamed to conj_op.
17297 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
17298 cmul<conj_op><mode>3): New.
17299 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
17300 cmul<conj_op><mode>3): New.
17302 2021-01-15 David Malcolm <dmalcolm@redhat.com>
17306 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
17307 Escape the tempfile name when constructing the expected output.
17309 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17311 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
17313 (aarch64_<su>mlsl_hi<mode>): ... This.
17314 (aarch64_<su>mlsl_hi<mode>): Define.
17315 (*aarch64_<su>mlsl<mode): Rename to...
17316 (aarch64_<su>mlsl<mode): ... This.
17317 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
17318 smlsl_hi, umlsl_hi): Define builtins.
17319 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
17320 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
17321 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
17322 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
17324 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
17326 * config/i386/i386-c.c (ix86_target_macros):
17327 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
17329 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
17332 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
17333 * Makefile.in (RTL_SSA_H): New variable.
17334 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
17335 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
17336 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
17338 * config/aarch64/aarch64-cc-fusion.cc: New file.
17340 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
17342 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
17343 calling cancel_changes for changes that no longer exist.
17345 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
17347 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
17348 (function_info::reg_defs): ...this.
17349 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
17350 (function_info::reg_defs): ...this.
17352 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
17355 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
17357 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
17360 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
17363 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
17365 2021-01-15 Richard Biener <rguenther@suse.de>
17367 PR tree-optimization/96376
17368 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
17369 for VMAT_INVARIANT.
17371 2021-01-15 Martin Liska <mliska@suse.cz>
17373 * doc/install.texi: Document that some tests need pytest module.
17374 * doc/sourcebuild.texi: Likewise.
17376 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
17379 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
17381 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
17383 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
17384 (mve_vshrq_n_u<mode>_imm): Likewise.
17385 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
17386 * config/arm/vec-common.md: ... here.
17388 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
17390 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
17392 * config/arm/neon.md (vashl<mode>3): Delete.
17393 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
17394 (vasl<mode>3): New expander.
17396 2021-01-15 Richard Biener <rguenther@suse.de>
17398 PR tree-optimization/98685
17399 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
17400 of vector extern defs.
17402 2021-01-14 David Malcolm <dmalcolm@redhat.com>
17405 * diagnostic.c (diagnostic_kind_text): Break out this array
17407 (diagnostic_build_prefix): ...here.
17408 (fancy_abort): Detect when diagnostic_initialize has not yet been
17409 called and fall back to a minimal implementation of printing the
17410 ICE, rather than segfaulting in internal_error.
17412 2021-01-14 David Malcolm <dmalcolm@redhat.com>
17414 * diagnostic.c (diagnostic_initialize): Eliminate
17415 parseable_fixits_p in favor of initializing extra_output_kind from
17416 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
17417 (convert_column_unit): New function, split out from...
17418 (diagnostic_converted_column): ...this.
17419 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
17420 Use them to call convert_column_unit on the column values.
17421 (diagnostic_report_diagnostic): Eliminate conditional on
17422 parseable_fixits_p in favor of a switch statement on
17423 extra_output_kind, passing the appropriate values to the new
17424 params of print_parseable_fixits.
17425 (selftest::test_print_parseable_fixits_none): Update for new
17426 params of print_parseable_fixits.
17427 (selftest::test_print_parseable_fixits_insert): Likewise.
17428 (selftest::test_print_parseable_fixits_remove): Likewise.
17429 (selftest::test_print_parseable_fixits_replace): Likewise.
17430 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
17432 (selftest::diagnostic_c_tests): Call it.
17433 * diagnostic.h (enum diagnostics_extra_output_kind): New.
17434 (diagnostic_context::parseable_fixits_p): Delete field in favor
17436 (diagnostic_context::extra_output_kind): ...this new field.
17437 * doc/invoke.texi (Environment Variables): Add
17438 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
17439 * opts.c (common_handle_option): Update handling of
17440 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
17443 2021-01-14 Tamar Christina <tamar.christina@arm.com>
17445 * tree-vect-slp-patterns.c (class complex_operations_pattern,
17446 complex_operations_pattern::matches,
17447 complex_operations_pattern::recognize,
17448 complex_operations_pattern::build): New.
17449 (slp_patterns): Use it.
17451 2021-01-14 Tamar Christina <tamar.christina@arm.com>
17453 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
17454 * optabs.def (cmls_optab, cmls_conj_optab): New.
17455 * doc/md.texi: Document them.
17456 * tree-vect-slp-patterns.c (class complex_fms_pattern,
17457 complex_fms_pattern::matches, complex_fms_pattern::recognize,
17458 complex_fms_pattern::build): New.
17460 2021-01-14 Tamar Christina <tamar.christina@arm.com>
17462 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
17463 * optabs.def (cmla_optab, cmla_conj_optab): New.
17464 * doc/md.texi: Document them.
17465 * tree-vect-slp-patterns.c (vect_match_call_p,
17466 class complex_fma_pattern, vect_slp_reset_pattern,
17467 complex_fma_pattern::matches, complex_fma_pattern::recognize,
17468 complex_fma_pattern::build): New.
17470 2021-01-14 Tamar Christina <tamar.christina@arm.com>
17472 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
17473 * optabs.def (cmul_optab, cmul_conj_optab): New.
17474 * doc/md.texi: Document them.
17475 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
17476 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
17477 vect_build_combine_node, class complex_mul_pattern,
17478 complex_mul_pattern::matches, complex_mul_pattern::recognize,
17479 complex_mul_pattern::build): New.
17481 2021-01-14 Tamar Christina <tamar.christina@arm.com>
17483 * tree-vect-slp.c (optimize_load_redistribution_1): New.
17484 (optimize_load_redistribution, vect_is_slp_load_node): New.
17485 (vect_match_slp_patterns): Use it.
17487 2021-01-14 Tamar Christina <tamar.christina@arm.com>
17489 * tree-vect-slp-patterns.c (complex_add_pattern::build):
17492 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
17494 * config/gcn/mkoffload.c (main): Create an offload image only in
17495 64-bit configurations.
17497 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
17500 * config/i386/i386-options.c (ix86_option_override_internal):
17501 Issue an error for -fcf-protection with CF_BRANCH when compiling
17502 for 32-bit non-TARGET_CMOV targets.
17504 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
17507 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
17508 Remove declaration and initialization of shadow variable "ret".
17509 (ix86_option_override_internal): Remove delcaration of
17510 shadow variable "i". Redeclare shadowed variable to unsigned.
17511 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
17512 * config/i386/i386-builtins.c (get_builtin_code_for_version):
17513 Update for redeclaration.
17514 * config/i386/i386.h (pta_size): Ditto.
17516 2021-01-14 Richard Biener <rguenther@suse.de>
17518 PR tree-optimization/98674
17519 * tree-data-ref.c (base_supports_access_fn_components_p): New.
17520 (initialize_data_dependence_relation): For two bases without
17521 possible access fns resort to type size equality when determining
17522 shape compatibility.
17524 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
17527 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
17528 <=, >= operators in vcle and vcge intrinsics respectively.
17529 * config/arm/arm_neon_builtins.def: Remove entry for
17532 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
17535 * config/i386/i386-options.c (ix86_function_specific_save):
17536 Remove redundant assignment to opts->x_ix86_branch_cost.
17537 * config/i386/i386.c (ix86_prefetch_sse):
17538 Rename from x86_prefetch_sse. Update all uses.
17539 * config/i386/i386.h: Update for rename.
17540 * config/i386/i386-options.h: Ditto.
17542 2021-01-14 Jakub Jelinek <jakub@redhat.com>
17545 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
17546 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
17547 Use Bm instead of m for non-avx. Add isa attribute.
17549 2021-01-14 Jakub Jelinek <jakub@redhat.com>
17551 PR tree-optimization/96688
17552 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
17553 ~X can be simplified.
17555 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
17557 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
17558 IFN_LOAD_LANES results.
17560 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17562 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
17564 (aarch64_xtn<mode>): Likewise.
17565 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
17568 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
17570 (vmovl_s16): Likewise.
17571 (vmovl_s32): Likewise.
17572 (vmovl_u8): Likewise.
17573 (vmovl_u16): Likewise.
17574 (vmovl_u32): Likewise.
17575 (vmovn_s16): Likewise.
17576 (vmovn_s32): Likewise.
17577 (vmovn_s64): Likewise.
17578 (vmovn_u16): Likewise.
17579 (vmovn_u32): Likewise.
17580 (vmovn_u64): Likewise.
17582 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17584 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
17586 (aarch64_<su>qxtn2<mode>_be): Likewise.
17587 (aarch64_<su>qxtn2<mode>): Likewise.
17588 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
17590 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
17591 (su): Handle ss_truncate and us_truncate.
17592 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
17594 (vqmovn_high_s32): Likewise.
17595 (vqmovn_high_s64): Likewise.
17596 (vqmovn_high_u16): Likewise.
17597 (vqmovn_high_u32): Likewise.
17598 (vqmovn_high_u64): Likewise.
17600 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17602 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
17604 (aarch64_xtn2<mode>_be): Likewise.
17605 (aarch64_xtn2<mode>): Likewise.
17606 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
17608 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
17610 (vmovn_high_s32): Likewise.
17611 (vmovn_high_s64): Likewise.
17612 (vmovn_high_u16): Likewise.
17613 (vmovn_high_u32): Likewise.
17614 (vmovn_high_u64): Likewise.
17616 2021-01-13 Stafford Horne <shorne@gmail.com>
17618 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
17620 2021-01-13 Stafford Horne <shorne@gmail.com>
17622 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
17624 2021-01-13 Stafford Horne <shorne@gmail.com>
17626 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
17627 define for __or1k_hard_float__.
17629 2021-01-13 Stafford Horne <shorne@gmail.com>
17631 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
17632 (PROFILE_HOOK): Define to call _mcount.
17633 (FUNCTION_PROFILER): Change from abort to no-op.
17635 2021-01-13 Jakub Jelinek <jakub@redhat.com>
17637 PR tree-optimization/96691
17638 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
17639 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
17640 (~D ^ C) or (D ^ C) can be simplified.
17642 2021-01-13 Richard Biener <rguenther@suse.de>
17644 PR tree-optimization/92645
17645 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
17646 until after vector lowering.
17648 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
17650 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
17652 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
17653 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
17655 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
17657 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
17659 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
17660 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
17662 2021-01-13 Richard Biener <rguenther@suse.de>
17664 PR tree-optimization/92645
17665 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
17666 BIT_FIELD_REF argument.
17667 (vect_build_slp_tree_2): Record the desired vector type
17668 on the external vector def.
17669 (vectorizable_slp_permutation): Handle required punning
17670 of existing vector defs.
17672 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
17674 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
17676 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
17678 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
17680 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
17682 * config.gcc [$target == *-*-gnu*]: Enable
17683 'default_gnu_indirect_function'.
17685 2021-01-13 Jakub Jelinek <jakub@redhat.com>
17688 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
17689 registers before calling targetm.vectorize.vec_perm_const, only after
17691 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
17692 two argument permutation when one operand is zero vector and only
17693 after that force operands into registers.
17694 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
17695 define_insn_and_split pattern.
17696 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
17697 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
17698 (*avx2_zero_extendv8hiv8si2_1): Likewise.
17699 (*avx512f_zero_extendv8siv8di2_1): Likewise.
17700 (*avx2_zero_extendv4siv4di2_1): Likewise.
17701 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
17703 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
17704 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
17705 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
17706 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
17707 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
17708 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
17710 2021-01-13 Martin Liska <mliska@suse.cz>
17712 PR tree-optimization/98455
17713 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
17714 Record also virtual PHIs.
17715 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
17718 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
17720 * doc/invoke.texi (C++ Modules): Fix typos.
17722 2021-01-13 Richard Biener <rguenther@suse.de>
17724 PR tree-optimization/98640
17725 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
17726 handle plus or minus from a truncated operand to be
17729 2021-01-13 Jakub Jelinek <jakub@redhat.com>
17732 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
17733 define_insn_and_split patterns.
17734 (splitter after *btr<mode>_2): New splitter.
17736 2021-01-13 Martin Liska <mliska@suse.cz>
17739 * cgraphunit.c (analyze_functions): Remove dead code.
17741 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
17743 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
17744 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
17745 (a64fx_regmove_cost, a64fx_vector_cost): New.
17746 (a64fx_tunings): Use the new added cost tables.
17748 2021-01-13 Jakub Jelinek <jakub@redhat.com>
17751 * config/i386/predicates.md (pmovzx_parallel): New predicate.
17752 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
17753 define_insn_and_split pattern.
17754 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
17755 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
17757 2021-01-13 Julian Brown <julian@codesourcery.com>
17759 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
17760 to fix v0 register.
17762 2021-01-13 Julian Brown <julian@codesourcery.com>
17764 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
17767 2021-01-13 Julian Brown <julian@codesourcery.com>
17769 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
17770 for reciprocal-approximation instructions.
17771 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
17772 refinement and division result.
17773 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
17775 2021-01-13 Julian Brown <julian@codesourcery.com>
17777 * config/gcn/gcn-valu.md (subdf): Rename to...
17780 2021-01-12 Martin Liska <mliska@suse.cz>
17782 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
17784 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
17786 * function-abi.h: Fix typo.
17788 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
17792 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
17793 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
17794 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
17795 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
17796 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
17797 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
17798 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
17799 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
17800 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
17801 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
17802 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
17803 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
17804 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
17805 (ARM_HAVE_V2DI_LDST): Likewise.
17806 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
17807 (*movmisalign<mode>_mve_load): New pattern.
17808 * config/arm/neon.md (movmisalign<mode>): Move to ...
17809 * config/arm/vec-common.md: ... here.
17811 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
17814 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
17815 of pattern 'plus (plus (hard reg, const), pseudo)'.
17817 2021-01-12 Richard Biener <rguenther@suse.de>
17819 PR tree-optimization/98550
17820 * tree-vect-slp.c (vect_record_max_nunits): Check whether
17821 the group size is a multiple of the vector element count.
17822 (vect_build_slp_tree_1): When we need to fail because
17823 the vector type choosen causes unrolling do so lazily
17824 without affecting matches only at the end to guide group splitting.
17826 2021-01-12 Martin Liska <mliska@suse.cz>
17829 * optc-save-gen.awk: Compare also n_target_save vars with
17832 2021-01-12 Martin Liska <mliska@suse.cz>
17834 * gcov.c (source_info::debug): New.
17835 (print_usage): Add --debug (-D) option.
17836 (process_args): Likewise.
17837 (generate_results): Call src->debug after
17838 accumulate_line_counts.
17839 (read_graph_file): Properly assign id for EXIT_BLOCK.
17840 * profile.c (branch_prob): Dump function body before it is
17843 2021-01-12 Jakub Jelinek <jakub@redhat.com>
17845 PR tree-optimization/98629
17846 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
17847 unless returning non-zero.
17849 2021-01-12 Jakub Jelinek <jakub@redhat.com>
17851 PR tree-optimization/95731
17852 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
17853 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
17854 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
17855 only after optimize_range_tests_var_bound.
17857 2021-01-12 Jakub Jelinek <jakub@redhat.com>
17859 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
17860 * configure: Regenerated.
17862 2021-01-12 liuhongt <hongtao.liu@intel.com>
17865 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
17867 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
17870 2021-01-12 Alexandre Oliva <oliva@adacore.com>
17872 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
17874 (auto_end_imm_use_stmt_traverse): New struct.
17875 (FOR_EACH_IMM_USE_STMT): Use it.
17876 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
17878 * gimple-ssa-strength-reduction.c: ... here, ...
17879 * graphite-scop-detection.c: ... here, ...
17880 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
17881 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
17882 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
17883 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
17884 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
17885 * tree-vect-slp.c: ... and here, ...
17886 * doc/tree-ssa.texi: ... and the example here.
17888 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
17890 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
17891 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
17892 (*sdiv_pow2<mode>3): New pattern.
17893 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
17894 Wrap the ASRD in an UNSPEC_PRED_X.
17895 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
17896 predicate with a constant PTRUE, if it isn't already.
17897 (*cond_<sve_int_op><mode>_z): Replace with...
17898 (*cond_<sve_int_op><mode>_any): ...this new pattern.
17900 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
17902 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
17903 SVE_FULL_I to SVE_I.
17904 (*cond_bic<mode>_any): Likewise.
17906 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
17908 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
17909 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
17912 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
17914 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
17915 SVE_FULL_I to SVE_I.
17916 (*aarch64_cond_<su>abd<mode>_2): Likewise.
17917 (*aarch64_cond_<su>abd<mode>_any): Likewise.
17918 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
17919 for the max and min but not for the minus.
17920 (*aarch64_cond_<su>abd<mode>_3): New pattern.
17922 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
17924 * config/aarch64/iterators.md (SVE_24I): New iterator.
17925 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
17926 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
17928 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
17930 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
17931 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
17933 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
17934 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
17935 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
17936 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
17938 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
17940 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
17941 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
17942 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
17945 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
17947 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
17948 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
17949 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
17951 2021-01-11 Martin Liska <mliska@suse.cz>
17954 * symtab-clones.h (clone_info::release): Release
17955 symtab::m_clones with ggc_delete as it's a GGC memory.
17957 2021-01-11 Matthias Klose <doko@ubuntu.com>
17959 * Makefile.in (LINK_PROGRESS): Show the link target.
17961 2021-01-11 Richard Biener <rguenther@suse.de>
17963 PR tree-optimization/91403
17964 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
17965 single-element interleaving group size at 4096 elements.
17967 2021-01-11 Richard Biener <rguenther@suse.de>
17969 PR tree-optimization/98526
17970 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
17971 of the actual reduction op for the regular case.
17972 (vectorizable_reduction): Cost the stmts
17973 vect_transform_reduction produces here.
17975 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
17977 * tree-ssa-forwprop.c (simplify_vector_constructor): For
17978 big-endian, use UNPACK[_FLOAT]_HI.
17980 2021-01-11 Tamar Christina <tamar.christina@arm.com>
17982 * tree-vect-slp-patterns.c (class complex_pattern,
17983 class complex_add_pattern): Add parameters to matches.
17984 (complex_add_pattern::build): Free memory.
17985 (complex_add_pattern::matches): Move validation end of match.
17986 (complex_add_pattern::recognize): Likewise.
17988 2021-01-11 Tamar Christina <tamar.christina@arm.com>
17990 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
17992 2021-01-11 Tamar Christina <tamar.christina@arm.com>
17994 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
17996 2021-01-11 Jakub Jelinek <jakub@redhat.com>
17998 PR tree-optimization/95867
17999 * tree-ssa-math-opts.h: New header.
18000 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
18001 (powi_as_mults): No longer static. Use build_one_cst instead of
18002 build_real. Formatting fix.
18003 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
18004 (attempt_builtin_powi): Handle multiplication reassociation without
18005 powi_fndecl using powi_as_mults.
18006 (reassociate_bb): For integral types don't require
18007 -funsafe-math-optimizations to call attempt_builtin_powi.
18009 2021-01-11 Jakub Jelinek <jakub@redhat.com>
18011 PR tree-optimization/95852
18012 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
18013 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
18014 allow in the bb any of the stmts in that vector, div_stmt and
18015 up to 3 cast stmts.
18016 (arith_cast_equal_p): New function.
18017 (arith_overflow_check_p): Add cast_stmt argument, handle signed
18018 multiply overflow checks.
18019 (match_arith_overflow): Adjust caller. Handle signed multiply
18022 2021-01-11 Jakub Jelinek <jakub@redhat.com>
18024 PR tree-optimization/95852
18025 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
18026 (uaddsub_overflow_check_p): Renamed to ...
18027 (arith_overflow_check_p): ... this. Handle also multiplication
18028 with overflow check.
18029 (match_uaddsub_overflow): Renamed to ...
18030 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
18031 also multiplication with overflow check. Adjust function comment.
18032 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
18033 match_arith_overflow also for MULT_EXPR.
18035 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18037 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
18038 __builtin_convertvector.
18039 (vmovl_s16): Likewise.
18040 (vmovl_s32): Likewise.
18041 (vmovl_u8): Likewise.
18042 (vmovl_u16): Likewise.
18043 (vmovl_u32): Likewise.
18044 (vmovn_s16): Likewise.
18045 (vmovn_s32): Likewise.
18046 (vmovn_s64): Likewise.
18047 (vmovn_u16): Likewise.
18048 (vmovn_u32): Likewise.
18049 (vmovn_u64): Likewise.
18051 2021-01-11 Martin Liska <mliska@suse.cz>
18053 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
18054 (if_chain::is_beneficial): Delete clusters
18055 (find_conditions): Make second argument of conditions_in_bbs a
18056 pointer so that we control over it's lifetime.
18057 (pass_if_to_switch::execute): Delete them.
18059 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
18061 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
18064 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
18066 * config/vax/vax.md (cc): Remove mode attribute.
18067 (subst_<cc>, subst_f<cc>): Rename to...
18068 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
18069 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
18070 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
18071 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
18073 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
18075 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
18076 `const_double_zero'.
18078 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
18080 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
18081 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
18084 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
18086 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
18088 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
18089 with `const_double_zero'.
18090 * doc/rtl.texi (Constant Expression Types): Document it.
18092 2021-01-09 Jakub Jelinek <jakub@redhat.com>
18095 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
18096 POINTER_DIFF_EXPR to be any integral type.
18098 2021-01-09 Jakub Jelinek <jakub@redhat.com>
18100 PR rtl-optimization/98603
18101 * function.c (instantiate_virtual_regs_in_insn): For asm goto
18102 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
18103 if any, set ASM_OPERANDS mode to VOIDmode and change
18104 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
18106 2021-01-09 Alexandre Oliva <oliva@gnu.org>
18109 * final.c (notice_source_line): Narrow down the condition to
18110 skip a line-0 marker.
18112 2021-01-08 Sergei Trofimovich <siarheit@google.com>
18114 * ipa-modref.c (merge_call_side_effects): Fix
18115 linebreak split by reordering two print calls.
18117 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
18119 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
18120 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
18121 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
18122 consistency, fix constraint.
18124 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
18126 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
18127 callables instead of mask values.
18128 (struct target_flag_set_p): New predicate.
18129 (s390_cpu_cpp_builtins_internal): Define or undefine
18130 __LONG_DOUBLE_VX__ macro.
18132 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
18135 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
18136 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
18139 2021-01-08 Richard Biener <rguenther@suse.de>
18141 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
18143 2021-01-08 Richard Biener <rguenther@suse.de>
18145 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
18146 (vect_build_slp_tree): On cache hit release the matched
18147 scalar stmts vector.
18148 * tree-vect-stmts.c (vectorizable_store): Properly free
18149 vec_oprnds before possibly gathering them again.
18151 2021-01-08 Richard Biener <rguenther@suse.de>
18153 PR tree-optimization/98544
18154 * tree-vect-slp.c (vect_optimize_slp): Always materialize
18155 permutes at a permute node.
18157 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
18160 * config/i386/i386.c (x86_function_profiler): Use R10 to call
18161 mcount in large model. Sorry for large model with PIC.
18163 2021-01-08 Jakub Jelinek <jakub@redhat.com>
18166 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
18167 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
18168 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
18169 TargetSave and initialize for variables with enum types.
18170 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
18171 mstack-protector-guard-symbol=): Add Save.
18172 * config/i386/i386-options.c (ix86_function_specific_save,
18173 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
18174 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
18175 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
18176 x_ix86_veclibabi_type.
18178 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
18180 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
18181 SVE_FULL_I to SVE_I.
18182 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
18184 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
18186 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
18187 SVE_FULL_I to SVE_I.
18188 (*cond_uxt<mode>_any): Likewise.
18190 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18192 * config/aarch64/iterators.md (Vwhalf): New iterator.
18193 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
18195 (aarch64_<sur>adalp<mode>): ... This. Make more
18197 (<sur>sadv16qi): Adjust callsite of the above.
18198 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
18200 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
18202 (vpadal_s16): Likewise.
18203 (vpadal_u8): Likewise.
18204 (vpadal_u16): Likewise.
18205 (vpadalq_s8): Likewise.
18206 (vpadalq_s16): Likewise.
18207 (vpadalq_s32): Likewise.
18208 (vpadalq_u8): Likewise.
18209 (vpadalq_u16): Likewise.
18210 (vpadalq_u32): Likewise.
18212 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18214 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
18216 (aarch64_<su>abd<mode>): ... This.
18217 (<sur>sadv16qi): Adjust callsite of the above.
18218 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
18220 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
18222 (vabd_s16): Likewise.
18223 (vabd_s32): Likewise.
18224 (vabd_u8): Likewise.
18225 (vabd_u16): Likewise.
18226 (vabd_u32): Likewise.
18227 (vabdq_s8): Likewise.
18228 (vabdq_s16): Likewise.
18229 (vabdq_s32): Likewise.
18230 (vabdq_u8): Likewise.
18231 (vabdq_u16): Likewise.
18232 (vabdq_u32): Likewise.
18234 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18236 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
18238 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
18239 (vaba_s16): Likewise.
18240 (vaba_s32): Likewise.
18241 (vaba_u8): Likewise.
18242 (vaba_u16): Likewise.
18243 (vaba_u32): Likewise.
18244 (vabaq_s8): Likewise.
18245 (vabaq_s16): Likewise.
18246 (vabaq_s32): Likewise.
18247 (vabaq_u8): Likewise.
18248 (vabaq_u16): Likewise.
18249 (vabaq_u32): Likewise.
18251 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18253 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
18254 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
18255 Change RTL pattern to match.
18257 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
18259 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
18260 * config/riscv/riscv-c.c (riscv-subset.h): New.
18261 (INCLUDE_STRING): Define.
18262 (riscv_cpu_cpp_builtins): Add new style architecture extension
18264 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
18265 (riscv_subset_list::end): New.
18266 (riscv_current_subset_list): New.
18268 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
18270 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
18271 Move to riscv-subset.h.
18272 (struct riscv_subset_t): Ditto.
18273 (class riscv_subset_list): Ditto.
18274 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
18275 from riscv-common.c.
18276 (struct riscv_subset_t): Ditto.
18277 (class riscv_subset_list): Ditto.
18278 * config/riscv/t-riscv ($(common_out_file)): Add file
18281 2021-01-07 Jakub Jelinek <jakub@redhat.com>
18284 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
18285 New define_insn patterns.
18287 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
18289 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
18290 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
18291 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
18293 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
18295 PR tree-optimization/98560
18296 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
18297 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
18299 (vec_cond_direct): Likewise argument 2.
18300 (vec_condu_direct, vec_condeq_direct): Delete.
18301 (expand_vect_cond_optab_fn): Rename to...
18302 (expand_vec_cond_optab_fn): ...this, replacing old macro.
18303 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
18304 (expand_vect_cond_mask_optab_fn): Rename to...
18305 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
18306 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
18308 (direct_vec_cond_optab_supported_p): Likewise.
18309 (direct_vec_condu_optab_supported_p): Delete.
18310 (direct_vec_condeq_optab_supported_p): Delete.
18311 * gimple-isel.cc: Include internal-fn.h.
18312 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
18315 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
18317 PR tree-optimization/98560
18318 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
18319 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
18321 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
18323 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
18324 rotate_insn and optab code attributes.
18325 Update all uses to merged code attribute.
18326 * config/i386/sse.md: Update all uses to merged code attribute.
18327 * config/i386/mmx.md: Update all uses to merged code attribute.
18329 2021-01-07 Jakub Jelinek <jakub@redhat.com>
18331 PR tree-optimization/98568
18332 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
18333 (bswap_replace): Use it.
18335 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
18337 PR rtl-optimization/97978
18338 * lra-int.h (lra_hard_reg_split_p): New external.
18339 * lra.c (lra_hard_reg_split_p): New global.
18340 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
18341 * lra-assigns.c (lra_assign): Don't check allocation correctness
18342 after hard reg splitting.
18344 2021-01-06 Martin Sebor <msebor@redhat.com>
18347 * builtins.c (new_delete_mismatch_p): New overload.
18348 (new_delete_mismatch_p (tree, tree)): Call it.
18350 2021-01-06 Alexandre Oliva <oliva@adacore.com>
18352 * Makefile.in (T_GLIMITS_H): New.
18353 (stmp-int-hdrs): Depend on it, use it.
18354 * config/t-vxworks (T_GLIMITS_H): Override it.
18355 (vxw-glimits.h): New.
18357 2021-01-06 Richard Biener <rguenther@suse.de>
18359 PR tree-optimization/98513
18360 * value-range.cc (intersect_ranges): Compare the upper bounds
18361 for the expected relation.
18363 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
18366 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
18368 * doc/standards.texi (HSAIL): Remove section.
18370 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
18372 * configure: Re-generate.
18374 2021-01-05 Jakub Jelinek <jakub@redhat.com>
18376 * doc/invoke.texi (-std=c++20): Adjust for the publication of
18377 ISO 14882:2020 standard.
18378 * doc/standards.texi: Likewise.
18380 2021-01-05 Jakub Jelinek <jakub@redhat.com>
18382 PR tree-optimization/94802
18383 * expr.h (maybe_optimize_sub_cmp_0): Declare.
18384 * expr.c: Include tree-pretty-print.h and flags.h.
18385 (maybe_optimize_sub_cmp_0): New function.
18386 (do_store_flag): Use it.
18387 * cfgexpand.c (expand_gimple_cond): Likewise.
18389 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
18391 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
18392 * rtlanal.c (simple_regno_set): Tweak description to clarify the
18395 2021-01-05 Richard Biener <rguenther@suse.de>
18397 PR tree-optimization/98516
18398 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
18399 lanes when materializing on a VEC_PERM node.
18400 (vectorizable_slp_permutation): Dump the permute properly.
18402 2021-01-05 Richard Biener <rguenther@suse.de>
18404 * tree-vect-slp.c (vect_slp_region): Move debug counter
18405 to cover individual subgraphs.
18407 2021-01-05 Richard Biener <rguenther@suse.de>
18409 PR tree-optimization/98428
18410 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
18411 vector lane extracts for loop vectorization.
18413 2021-01-05 Jakub Jelinek <jakub@redhat.com>
18415 PR tree-optimization/98514
18416 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
18418 (operand_rank): Change type from hash_map<tree, long> to
18419 hash_map<tree, int64_t>.
18420 (phi_rank): Change return type from long to int64_t.
18421 (loop_carried_phi): Change block_rank variable type from long to
18423 (propagate_rank): Change return type, rank parameter type and
18424 op_rank variable type from long to int64_t.
18425 (find_operand_rank): Change return type from long to int64_t
18426 and change slot variable type from long * to int64_t *.
18427 (insert_operand_rank): Change rank parameter type from long to
18429 (get_rank): Change return type and rank variable type from long to
18430 int64_t. Use PRId64 instead of ld to print the rank.
18431 (init_reassoc): Change rank variable type from long to int64_t
18432 and adjust correspondingly bb_rank and operand_rank initialization.
18434 2021-01-05 Jakub Jelinek <jakub@redhat.com>
18436 PR tree-optimization/96928
18437 * tree-ssa-phiopt.c (xor_replacement): New function.
18438 (tree_ssa_phiopt_worker): Call it.
18440 2021-01-05 Jakub Jelinek <jakub@redhat.com>
18442 PR tree-optimization/96930
18443 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
18444 from narrower value which has the same type as 1 << B, perform
18445 the right shift on the narrower value followed by extension.
18447 2021-01-05 Jakub Jelinek <jakub@redhat.com>
18449 PR tree-optimization/96239
18450 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
18452 (get_status_for_store_merging): Don't return BB_INVALID for blocks
18453 with potential bswap optimizable CONSTRUCTORs.
18454 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
18457 2021-01-05 Richard Biener <rguenther@suse.de>
18459 PR tree-optimization/98381
18460 * tree.c (vector_element_bits): Properly compute bool vector
18462 * tree-vect-loop.c (vectorizable_live_operation): Properly
18463 compute the last lane bit offset.
18465 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
18468 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
18469 Clear the top 64 bytes of the input XMM register.
18470 (sse_cvttps2pi): Ditto.
18472 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
18475 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
18477 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
18480 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
18483 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
18485 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
18486 (umaddsidi4_split): Likewise.
18488 2021-01-05 liuhongt <hongtao.liu@intel.com>
18491 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
18492 define_insn_and_split for zero_extend of subreg HI of pmovskb
18494 (*sse2_pmovskb_zexthisi): Add new combine splitters for
18495 zero_extend of not of subreg HI of pmovskb result.
18497 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
18500 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
18502 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
18503 convert_memory_address to convert symbolic immediates to ptr_mode
18504 before forcing them to memory.
18506 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
18508 PR rtl-optimization/97144
18509 * recog.c (constrain_operands): Initialize matching_operand
18510 for each alternative, rather than only doing it once.
18512 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
18514 PR rtl-optimization/98403
18515 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
18516 why we don't remove call clobbers.
18517 (function_info::apply_changes_to_insn): Don't attempt to add
18518 call clobbers here.
18520 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
18522 PR tree-optimization/98371
18523 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
18524 (vect_analyze_loop): If an epilogue loop appears to be cheaper
18525 than the main loop, re-analyze it as a main loop before adopting
18528 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
18531 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
18532 * aclocal.m4, configure: Regenerate.
18533 * Makefile.in (NETLIBS): Define.
18534 (BACKEND): Remove $(CODYLIB).
18536 2021-01-05 Jakub Jelinek <jakub@redhat.com>
18538 PR rtl-optimization/98334
18539 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
18540 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
18542 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
18544 * tree-inline.c (expand_call_inline): Restore input_location.
18545 Return result from recursive call.
18547 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
18549 PR tree-optimization/95401
18550 * config/aarch64/aarch64-sve-builtins.cc
18551 (gimple_folder::load_store_cookie): Use bits rather than bytes
18552 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
18553 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
18554 * tree-vect-stmts.c (vectorizable_store): Likewise.
18555 (vectorizable_load): Likewise.
18557 2021-01-04 Richard Biener <rguenther@suse.de>
18559 PR tree-optimization/98308
18560 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
18563 2021-01-04 Jakub Jelinek <jakub@redhat.com>
18565 PR tree-optimization/95771
18566 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
18567 with precision smaller than int's precision and types with precision
18568 twice as large as long long. Formatting fixes.
18570 2021-01-04 Richard Biener <rguenther@suse.de>
18572 PR tree-optimization/98464
18573 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
18574 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
18575 (process_bb): Adjust.
18577 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
18580 * doc/invoke.texi (-fsanitize=address): Fix wording describing
18581 clash with -fsanitize=hwaddress.
18583 2021-01-04 Richard Biener <rguenther@suse.de>
18585 PR tree-optimization/98282
18586 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
18587 invariants as VN_NARY.
18589 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
18592 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
18593 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
18594 to handle zero operands.
18596 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
18598 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
18599 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
18600 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
18603 2021-01-04 Richard Biener <rguenther@suse.de>
18605 PR tree-optimization/98393
18606 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
18607 when hitting the limit.
18609 2021-01-04 Richard Biener <rguenther@suse.de>
18611 PR tree-optimization/98291
18612 * tree-vect-loop.c (vectorizable_reduction): Bypass
18613 associativity check for SLP reductions with VF 1.
18615 2021-01-04 Jakub Jelinek <jakub@redhat.com>
18617 PR tree-optimization/96782
18618 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
18620 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
18622 * collect-utils.c (collect_execute): Check dumppfx.
18623 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
18624 to collect_execute.
18625 (do_link): Add new parameter atsuffix.
18626 (main): Handle -dumpdir option. Skip one argument for
18627 -o, -isystem and -B options.
18628 * gcc.c (make_at_file): New helper function.
18629 (close_at_file): Use it.
18631 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
18633 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
18634 Amend handling for LD64_VERSION fallback defaults.
18636 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
18638 * config.gcc: Compute default version information
18639 from the configured target. Likewise defaults for
18641 * config/darwin10.h: Removed.
18642 * config/darwin12.h: Removed.
18643 * config/darwin9.h: Removed.
18644 * config/rs6000/darwin8.h: Removed.
18646 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
18648 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
18650 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
18652 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
18653 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
18655 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
18657 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
18659 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
18661 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
18663 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
18664 for the Darwin10 unwinder stub from here ...
18665 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
18667 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
18669 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
18670 (ASM_DEBUG_SPEC):Only define if the assembler supports
18672 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
18673 (DARWIN_PREFER_DWARF): Define.
18674 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
18675 (DARWIN_PREFER_DWARF): Likewise
18676 (DSYMUTIL_SPEC): Likewise.
18677 (COLLECT_RUN_DSYMUTIL): Likewise.
18678 (ASM_DEBUG_SPEC): Likewise.
18679 (ASM_DEBUG_OPTION_SPEC): Likewise.
18681 2021-01-02 Jan Hubicka <jh@suse.cz>
18683 * cfg.c (free_block): ggc_free bb.
18685 2021-01-01 Jakub Jelinek <jakub@redhat.com>
18687 * gcc.c (process_command): Update copyright notice dates.
18688 * gcov-dump.c (print_version): Ditto.
18689 * gcov.c (print_version): Ditto.
18690 * gcov-tool.c (print_version): Ditto.
18691 * gengtype.c (create_file): Ditto.
18692 * doc/cpp.texi: Bump @copying's copyright year.
18693 * doc/cppinternals.texi: Ditto.
18694 * doc/gcc.texi: Ditto.
18695 * doc/gccint.texi: Ditto.
18696 * doc/gcov.texi: Ditto.
18697 * doc/install.texi: Ditto.
18698 * doc/invoke.texi: Ditto.
18700 2021-01-01 Jakub Jelinek <jakub@redhat.com>
18702 * ChangeLog-2020: Rotate ChangeLog. New file.
18705 Copyright (C) 2021 Free Software Foundation, Inc.
18707 Copying and distribution of this file, with or without modification,
18708 are permitted in any medium without royalty provided the copyright
18709 notice and this notice are preserved.