1 2021-08-30 David Malcolm <dmalcolm@redhat.com>
4 * Makefile.in (ANALYZER_OBJS): Add analyzer/call-info.o.
6 2021-08-30 Jason Merrill <jason@redhat.com>
8 * doc/invoke.texi: Document -Wmissing-requires.
10 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
12 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Remove
13 TARGET_EXTRA_BUILTINS guard.
15 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
17 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Change
18 initialization of V2DI_type_node and unsigned_V2DI_type_node.
20 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
22 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Use the new
23 decl when new_builtins_are_live.
24 * config/rs6000/rs6000-builtin-new.def (__builtin_cfstring): New
27 2021-08-30 Pat Haugen <pthaugen@linux.ibm.com>
29 * config/rs6000/rs6000-cpus.def (ISA_3_1_MASKS_SERVER): Add
30 OPTION_MASK_P10_FUSION_2STORE.
31 (POWERPC_MASKS): Likewise.
32 * config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
33 store fusion for Power10.
34 (is_fusable_store): New.
35 (power10_sched_reorder): Likewise.
36 (rs6000_sched_reorder): Do Power10 specific reordering.
37 (rs6000_sched_reorder2): Likewise.
38 * config/rs6000/rs6000.opt: Add new option.
40 2021-08-30 Richard Biener <rguenther@suse.de>
42 PR tree-optimization/102128
43 * tree-vect-slp.c (vect_bb_vectorization_profitable_p):
44 Move scanning for if-converted scalar code to the caller
45 and instead delay clearing the visited flag for profitable
47 (vect_slp_region): Cost all subgraphs before scheduling.
48 For if-converted BB vectorization scan for scalar COND_EXPRs
49 and do not vectorize if any found and the cost model is
52 2021-08-30 Richard Biener <rguenther@suse.de>
54 * common.opt (fexceptions): Mark
55 EnabledBy(fnon-call-exceptions).
56 * doc/invoke.texi (fnon-call-exceptions): Document this
59 2021-08-30 Sebastian Huber <sebastian.huber@embedded-brains.de>
61 * tsystem.h (abort): Define abort() if inhibit_libc is defined and it
62 is not already defined.
64 2021-08-30 liuhongt <hongtao.liu@intel.com>
66 * expmed.c (extract_bit_field_1): Make sure we're playing with
67 integral modes before call extract_integral_bit_field.
68 (extract_integral_bit_field): Add a parameter of type
69 scalar_int_mode which corresponds to of tmode.
70 And call extract_and_convert_fixed_bit_field instead of
71 extract_fixed_bit_field and convert_extracted_bit_field.
72 (extract_and_convert_fixed_bit_field): New function, it's a
73 combination of extract_fixed_bit_field and
74 convert_extracted_bit_field.
76 2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
78 * config/darwin.c (darwin_libc_has_function): Do not run
79 the checks for x86 or modern Darwin. Make sure that there
80 is a value set for darwin_macosx_version_min before testing.
82 2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
84 * config/i386/darwin.h (CLEAR_INSN_CACHE): New.
86 2021-08-28 Jan Hubicka <hubicka@ucw.cz>
88 * ipa-modref-tree.h (modref_access_node::merge): Break out
89 logic combining offsets and logic merging ranges to ...
90 (modref_access_node::combined_offsets): ... here
91 (modref_access_node::update2): ... here
92 (modref_access_node::closer_pair_p): New member function.
93 (modref_access_node::forced_merge): New member function.
94 (modre_ref_node::insert): Do merging when table is full.
96 2021-08-28 YunQiang Su <yunqiang.su@cipunited.com>
99 * config.gcc: MIPS: use N64 ABI by default if the triple end
100 with -gnuabi64, which is used by Debian since 2013.
102 2021-08-28 Alexandre Oliva <oliva@adacore.com>
104 * ipa-modref.c (analyze_function): Skip debug stmts.
105 * tree-inline.c (estimate_num_insn): Consider builtins even
106 without a cgraph_node.
108 2021-08-27 Jeff Law <jlaw@localhost.localdomain>
110 * config/h8300/bitfield.md (cstore<mode>4): Remove expander.
111 * config/h8300/h8300.c (h8300_expand_branch): Remove function.
112 * config/h8300/h8300-protos.h (h8300_expadn_branch): Remove prototype.
113 * config/h8300/h8300.md (eqne): New code iterator.
114 (geultu, geultu_to_c): Similarly.
115 * config/h8300/testcompare.md (cstore<mode>4): Dummy expander.
116 (store_c_<mode>, store_c_i_<mode>): New define_insn_and_splits
117 (cmp<mode>_c): New pattern
119 2021-08-27 Jeff Law <jlaw@localhost.localdomain>
121 * tree-ssa-dom.c (reduce_vector_comparison_to_scalar_comparison): New
123 (dom_opt_dom_walker::optimize_stmt): Use it.
125 2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
127 * config/darwin.c (finalize_ctors): Add a section-start linker-
129 (finalize_dtors): Likewise.
130 * config/darwin.h (MIN_LD64_INIT_TERM_START_LABELS): New.
132 2021-08-27 Bill Schmidt <wschmidt@linux.ibm.com>
134 * config/rs6000/rs6000-call.c (rs6000-builtins.h): New #include.
135 (rs6000_init_builtins): Call rs6000_init_generated_builtins. Skip the
136 old initialization logic when new builtins are enabled.
137 * config/rs6000/rs6000-gen-builtins.c (write_decls): Rename
138 rs6000_autoinit_builtins to rs6000_init_generated_builtins.
139 (write_init_file): Likewise.
141 2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
143 * configure.ac (darwin2[[0-9]]* | darwin19*): Alter use of
144 gcc_GAS_CHECK_FEATURE to remove an extraneous parameter.
145 (amdgcn-* | gcn-*) Likewise.
147 2021-08-27 Anthony Sharp <anthonysharp15@gmail.com>
149 * symbol-summary.h: Added missing template keyword.
151 2021-08-27 Richard Biener <rguenther@suse.de>
153 PR tree-optimization/45178
154 * tree-ssa-dce.c (find_obviously_necessary_stmts): For
155 infinite loops without exit do not mark control dependent
156 edges of the latch necessary.
158 2021-08-27 konglin1 <lingling.kong@intel.com>
161 * config/i386/sse.md: (<avx512>scattersi<mode>): Add mask operand to
163 (<avx512>scattersi<mode>): Likewise.
164 (*avx512f_scattersi<VI48F:mode>): Merge mask operand to set_dest.
165 (*avx512f_scatterdi<VI48F:mode>): Likewise
167 2021-08-27 Kewen Lin <linkw@linux.ibm.com>
169 * config/rs6000/rs6000.c (rs6000_builtin_md_vectorized_function): Add
170 support for built-in functions MISC_BUILTIN_DIVWE, MISC_BUILTIN_DIVWEU,
171 MISC_BUILTIN_DIVDE, MISC_BUILTIN_DIVDEU, P10_BUILTIN_CFUGED,
172 P10_BUILTIN_CNTLZDM, P10_BUILTIN_CNTTZDM, P10_BUILTIN_PDEPD and
173 P10_BUILTIN_PEXTD on Power10.
175 2021-08-27 Kewen Lin <linkw@linux.ibm.com>
177 * config/rs6000/rs6000-call.c (builtin_function_type): Add unsigned
178 signedness for some Power10 bifs.
180 2021-08-27 David Edelsohn <dje.gcc@gmail.com>
183 * config/rs6000/rs6000.c (rs6000_adjust_field_align): Use
184 computed alignment if the entire struct has attribute packed.
186 2021-08-27 liuhongt <hongtao.liu@intel.com>
190 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
191 IX86_BUILTIN_SHUFPD512, IX86_BUILTIN_SHUFPS512,
192 IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS,
193 IX86_BUILTIN_SHUFPS256.
194 (ix86_masked_all_ones): New function.
196 2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
198 * config/i386/i386.md (*btr<mode>_1): Call force_reg unconditionally.
199 (conditional moves with memory inputs splitters): Ditto.
200 * config/i386/sse.md (one_cmpl<mode>2): Simplify.
202 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
204 * ipa-modref-tree.h (modref_access_node::try_merge_with): Restart
205 search after merging.
207 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
209 * config/rs6000/rs6000-overload.def: Add remaining overloads.
211 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
213 * config/rs6000/rs6000-builtin-new.def: Add cell stanza.
215 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
217 * config/rs6000/rs6000-builtin-new.def: Add ieee128-hw, dfp,
218 crypto, and htm stanzas.
220 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
222 * config/rs6000/rs6000-builtin-new.def: Add mma stanza.
224 2021-08-26 Martin Sebor <msebor@redhat.com>
226 * tree-ssa-uninit.c (warn_uninit): Refactor and simplify.
227 (warn_uninit_phi_uses): Remove argument from calls to warn_uninit.
228 (warn_uninitialized_vars): Same. Reduce visibility of locals.
229 (warn_uninitialized_phi): Same.
231 2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
233 * tree-ssa-ccp.c (get_individual_bits): Helper function to
234 extract the individual bits from a widest_int constant (mask).
235 (gray_code_bit_flips): New read-only table for effiently
236 enumerating permutations/combinations of bits.
237 (bit_value_binop) [LROTATE_EXPR, RROTATE_EXPR]: Handle rotates
238 by unknown counts that are guaranteed less than the target
239 precision and four or fewer unknown bits by enumeration.
240 [LSHIFT_EXPR, RSHIFT_EXPR]: Likewise, also handle shifts by
241 enumeration under the same conditions. Handle remaining
242 shifts as a mask based upon the minimum possible shift value.
244 2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
245 Richard Biener <rguenther@suse.de>
247 * match.pd (shift transformations): Remove a redundant
248 !POINTER_TYPE_P check.
250 2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
253 * config/i386/i386.md (cmove reg-reg move elimination peephole2s):
254 Set all_regs to true in the call to replace_rtx.
256 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
258 * ipa-modref-tree.c (test_insert_search_collapse): Update test.
259 * ipa-modref-tree.h (modref_base_node::insert): Be smarter when
260 hiting --param modref-max-refs limit.
261 (modref_tree:insert_base): Be smarter when hitting
262 --param modref-max-bases limit. Add new parameter REF.
263 (modref_tree:insert): Update.
264 (modref_tree:merge): Update.
265 * ipa-modref.c (read_modref_records): Update.
267 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
269 * params.opt: (modref-max-adjustments): Add full stop.
271 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
273 * ipa-modref-tree.h (modref_ref_node::verify): New member
275 (modref_ref_node::insert): Use it.
276 (modref_ref_node::try_mere_with): Fix off by one error.
278 2021-08-26 Martin Liska <mliska@suse.cz>
279 Stefan Kneifel <stefan.kneifel@bluewin.ch>
281 * cgraph.h (create_version_clone_with_body): Add new parameter.
282 * cgraphclones.c: Likewise.
283 * multiple_target.c (create_dispatcher_calls): Do not use
285 (create_target_clone): Likewise here.
287 2021-08-26 Jonathan Yong <10walls@gmail.com>
289 * doc/extend.texi: Add note about reserved priorities
290 to the constructor attribute.
292 2021-08-25 Martin Sebor <msebor@redhat.com>
294 * gimple-range-cache.cc (ssa_global_cache::dump): Avoid printing
295 range table header alone.
296 * gimple-range.cc (gimple_ranger::export_global_ranges): Same.
298 2021-08-25 Jan Hubicka <hubicka@ucw.cz>
300 * doc/invoke.texi: Document --param modref-max-adjustments.
301 * ipa-modref-tree.c (test_insert_search_collapse): Update.
302 (test_merge): Update.
303 * ipa-modref-tree.h (struct modref_access_node): Add adjustments;
304 (modref_access_node::operator==): Fix handling of access ranges.
305 (modref_access_node::contains): Constify parameter; handle also
306 mismatched parm offsets.
307 (modref_access_node::update): New function.
308 (modref_access_node::merge): New function.
309 (unspecified_modref_access_node): Update constructor.
310 (modref_ref_node::insert_access): Add record_adjustments parameter;
312 (modref_ref_node::try_merge_with): New private function.
313 (modref_tree::insert): New record_adjustments parameter.
314 (modref_tree::merge): New record_adjustments parameter.
315 (modref_tree::copy_from): Update.
316 * ipa-modref.c (dump_access): Dump adjustments field.
317 (get_access): Update constructor.
318 (record_access): Update call of insert.
319 (record_access_lto): Update call of insert.
320 (merge_call_side_effects): Add record_adjustments parameter.
321 (get_access_for_fnspec): Update.
322 (process_fnspec): Update.
323 (analyze_call): Update.
324 (analyze_function): Update.
325 (read_modref_records): Update.
326 (ipa_merge_modref_summary_after_inlining): Update.
327 (propagate_unknown_call): Update.
328 (modref_propagate_in_scc): Update.
329 * params.opt (param-max-modref-adjustments=): New.
331 2021-08-25 Michael Meissner <meissner@linux.ibm.com>
333 * config/rs6000/vsx.md (UNSPEC_XXSPLTIDP): Rename from
335 (xxspltiw_v4si): Use vecperm type attribute.
336 (xxspltiw_v4si_inst): Use vecperm type attribute.
337 (xxspltiw_v4sf_inst): Likewise.
338 (xxspltidp_v2df): Use vecperm type attribute. Use
339 UNSPEC_XXSPLTIDP instead of UNSPEC_XXSPLTID.
340 (xxspltidp_v2df_inst): Likewise.
341 (xxsplti32dx_v4si): Use vecperm type attribute.
342 (xxsplti32dx_v4si_inst): Likewise.
343 (xxsplti32dx_v4sf_inst): Likewise.
344 (xxblend_<mode>): Likewise.
346 (xxpermx_inst): Likewise.
349 2021-08-25 Lewis Hyatt <lhyatt@gmail.com>
352 * coretypes.h (typedef diagnostic_input_charset_callback): Declare.
353 * diagnostic.c (diagnostic_initialize_input_context): New function.
354 * diagnostic.h (diagnostic_initialize_input_context): Declare.
355 * input.c (default_charset_callback): New function.
356 (file_cache::initialize_input_context): New function.
357 (file_cache_slot::create): Added ability to convert the input
358 according to the input context.
359 (file_cache::file_cache): Initialize the new input context.
360 (class file_cache_slot): Added new m_alloc_offset member.
361 (file_cache_slot::file_cache_slot): Initialize the new member.
362 (file_cache_slot::~file_cache_slot): Handle potentially offset buffer.
363 (file_cache_slot::maybe_grow): Likewise.
364 (file_cache_slot::needs_read_p): Handle NULL fp, which is now possible.
365 (file_cache_slot::get_next_line): Likewise.
366 * input.h (class file_cache): Added input context member.
368 2021-08-25 Richard Biener <rguenther@suse.de>
370 PR tree-optimization/102046
371 * tree-vect-slp.c (vect_build_slp_tree_2): Conservatively
372 update ->any_pattern when swapping operands.
374 2021-08-25 Hongyu Wang <hongyu.wang@intel.com>
377 * config/i386/i386.c (ix86_live_on_entry): Adjust comment.
378 (ix86_decompose_address): Remove retval check for ASHIFT,
379 allow non-canonical zero extend if AND mask covers ASHIFT
381 (ix86_legitimate_address_p): Adjust condition for decompose.
382 (ix86_rtx_costs): Adjust cost for lea with non-canonical
384 Co-Authored by: Uros Bizjak <ubizjak@gmail.com>
386 2021-08-25 Jiufu Guo <guojiufu@linux.ibm.com>
388 PR tree-optimization/101145
389 * tree-ssa-loop-niter.c (number_of_iterations_until_wrap):
391 (number_of_iterations_lt): Invoke above function.
392 (adjust_cond_for_loop_until_wrap):
393 Merge to number_of_iterations_until_wrap.
394 (number_of_iterations_cond): Update invokes for
395 adjust_cond_for_loop_until_wrap and number_of_iterations_lt.
397 2021-08-25 konglin1 <lingling.kong@intel.com>
400 * config/i386/avx512dqintrin.h (_mm512_fpclass_ps_mask): Fix
402 (_mm512_mask_fpclass_ps_mask): Ditto.
404 2021-08-25 Kewen Lin <linkw@linux.ibm.com>
406 * config/rs6000/altivec.md (vec_unpacku_hi_v16qi): Remove.
407 (vec_unpacku_hi_v8hi): Likewise.
408 (vec_unpacku_lo_v16qi): Likewise.
409 (vec_unpacku_lo_v8hi): Likewise.
410 (vec_unpacku_hi_<VP_small_lc>): New define_expand.
411 (vec_unpacku_lo_<VP_small_lc>): Likewise.
413 2021-08-24 David Edelsohn <dje.gcc@gmail.com>
415 * config/rs6000/aix.h (SYSTEM_IMPLICIT_EXTERN_C): Delete.
416 * config/rs6000/aix71.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
417 * config/rs6000/aix72.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
418 * config/rs6000/aix73.h (TARGET_AIX_VERSION): Increase to 73.
420 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
423 * simplify-rtx.c (simplify_truncation): When comparing precisions
424 use "subreg_prec" variable, not "subreg_mode".
426 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
428 * config/rs6000/rs6000-builtin-new.def: Add power10 and power10-64
431 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
433 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Initialize
434 various pointer type nodes.
435 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add enum
436 values for various pointer types.
437 (ptr_V16QI_type_node): New macro.
438 (ptr_V1TI_type_node): New macro.
439 (ptr_V2DI_type_node): New macro.
440 (ptr_V2DF_type_node): New macro.
441 (ptr_V4SI_type_node): New macro.
442 (ptr_V4SF_type_node): New macro.
443 (ptr_V8HI_type_node): New macro.
444 (ptr_unsigned_V16QI_type_node): New macro.
445 (ptr_unsigned_V1TI_type_node): New macro.
446 (ptr_unsigned_V8HI_type_node): New macro.
447 (ptr_unsigned_V4SI_type_node): New macro.
448 (ptr_unsigned_V2DI_type_node): New macro.
449 (ptr_bool_V16QI_type_node): New macro.
450 (ptr_bool_V8HI_type_node): New macro.
451 (ptr_bool_V4SI_type_node): New macro.
452 (ptr_bool_V2DI_type_node): New macro.
453 (ptr_bool_V1TI_type_node): New macro.
454 (ptr_pixel_type_node): New macro.
455 (ptr_intQI_type_node): New macro.
456 (ptr_uintQI_type_node): New macro.
457 (ptr_intHI_type_node): New macro.
458 (ptr_uintHI_type_node): New macro.
459 (ptr_intSI_type_node): New macro.
460 (ptr_uintSI_type_node): New macro.
461 (ptr_intDI_type_node): New macro.
462 (ptr_uintDI_type_node): New macro.
463 (ptr_intTI_type_node): New macro.
464 (ptr_uintTI_type_node): New macro.
465 (ptr_long_integer_type_node): New macro.
466 (ptr_long_unsigned_type_node): New macro.
467 (ptr_float_type_node): New macro.
468 (ptr_double_type_node): New macro.
469 (ptr_long_double_type_node): New macro.
470 (ptr_dfloat64_type_node): New macro.
471 (ptr_dfloat128_type_node): New macro.
472 (ptr_ieee128_type_node): New macro.
473 (ptr_ibm128_type_node): New macro.
474 (ptr_vector_pair_type_node): New macro.
475 (ptr_vector_quad_type_node): New macro.
476 (ptr_long_long_integer_type_node): New macro.
477 (ptr_long_long_unsigned_type_node): New macro.
479 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
481 * config/rs6000/rs6000-builtin-new.def: Add power9-vector, power9,
482 and power9-64 stanzas.
484 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
485 Tom de Vries <tdevries@suse.de>
487 * config.gcc (nvptx-*-*): Define {c,c++}_target_objs.
488 * config/nvptx/nvptx-protos.h (nvptx_cpu_cpp_builtins): Prototype.
489 * config/nvptx/nvptx.h (TARGET_CPU_CPP_BUILTINS): Implement with
490 a call to the new nvptx_cpu_cpp_builtins function in nvptx-c.c.
491 * config/nvptx/t-nvptx (nvptx-c.o): New rule.
492 * config/nvptx/nvptx-c.c: New source file.
493 (nvptx_cpu_cpp_builtins): Move implementation here.
495 2021-08-24 Martin Sebor <msebor@redhat.com>
499 * gimple-ssa-warn-access.cc (maybe_warn_for_bound): Tighten up
500 the phrasing of a warning.
501 (check_access): Use the remaining size after subtracting any offset
502 rather than the whole object size.
503 * pointer-query.cc (access_ref::get_ref): Clear BASE0 flag if it's
504 clear for any nonnull PHI argument.
505 (compute_objsize): Clear argument.
507 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
509 * config/rs6000/rs6000-builtin-new.def: Add power8-vector stanza.
511 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
513 * config/rs6000/rs6000-builtin-new.def: Add power7 and power7-64
516 2021-08-24 Andrew MacLeod <amacleod@redhat.com>
518 * value-relation.cc (rr_transitive_table): New.
519 (relation_transitive): New.
520 (value_relation::swap): Remove.
521 (value_relation::apply_transitive): New.
522 (relation_oracle::relation_oracle): Allocate a new tmp bitmap.
523 (relation_oracle::register_relation): Call register_transitives.
524 (relation_oracle::register_transitives): New.
525 * value-relation.h (relation_oracle): Add new temporary bitmap and
528 2021-08-24 H.J. Lu <hjl.tools@gmail.com>
531 * config/i386/i386-expand.c (ix86_expand_vector_move): Broadcast
532 from integer to a pseudo vector register.
534 2021-08-24 Richard Biener <rguenther@suse.de>
536 PR tree-optimization/100089
537 * tree-vectorizer.h (vect_slp_bb): Rename to ...
538 (vect_slp_if_converted_bb): ... this and get the original
539 loop as new argument.
540 * tree-vectorizer.c (try_vectorize_loop_1): Revert previous fix,
541 pass original loop to vect_slp_if_converted_bb.
542 * tree-vect-slp.c (vect_bb_vectorization_profitable_p):
543 If orig_loop was passed scan the not vectorized stmts
544 for COND_EXPRs and force not profitable if found.
545 (vect_slp_region): Pass down all SLP instances to costing
546 if orig_loop was specified.
547 (vect_slp_bbs): Pass through orig_loop.
548 (vect_slp_bb): Rename to ...
549 (vect_slp_if_converted_bb): ... this and get the original
550 loop as new argument.
551 (vect_slp_function): Adjust.
553 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
556 * config/arm/arm.md (attribute arch): Add fix_vlldm.
557 (arch_enabled): Use it.
558 * config/arm/vfp.md (lazy_store_multiple_insn): Add alternative to
559 use when erratum mitigation is needed.
561 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
564 * config/arm/arm.opt (mfix-cmse-cve-2021-35465): New option.
565 * doc/invoke.texi (Arm Options): Document it.
566 * config/arm/arm-cpus.in (quirk_vlldm): New feature bit.
567 (ALL_QUIRKS): Add quirk_vlldm.
568 (cortex-m33): Add quirk_vlldm.
569 (cortex-m35p, cortex-m55): Likewise.
570 * config/arm/arm.c (arm_option_override): Enable fix_vlldm if
571 targetting an affected CPU and not explicitly controlled on
574 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
576 * config/arm/vfp.md (lazy_store_multiple_insn): Rewrite as valid RTL.
577 (lazy_load_multiple_insn): Likewise.
579 2021-08-24 liuhongt <hongtao.liu@intel.com>
582 * config/i386/sse.md (<avx512>_vternlog<mode><sd_maskz_name>):
583 Enable avx512 embedded broadcast.
584 (*<avx512>_vternlog<mode>_all): Ditto.
585 (<avx512>_vternlog<mode>_mask): Ditto.
587 2021-08-24 liuhongt <hongtao.liu@intel.com>
590 * config/i386/i386.c (ix86_rtx_costs): Define cost for
592 * config/i386/i386.h (STRIP_UNARY): New macro.
593 * config/i386/predicates.md (reg_or_notreg_operand): New
595 * config/i386/sse.md (*<avx512>_vternlog<mode>_all): New define_insn.
596 (*<avx512>_vternlog<mode>_1): New pre_reload
597 define_insn_and_split.
598 (*<avx512>_vternlog<mode>_2): Ditto.
599 (*<avx512>_vternlog<mode>_3): Ditto.
600 (any_logic1,any_logic2): New code iterator.
601 (logic_op): New code attribute.
602 (ternlogsuffix): Extend to VNxDF and VNxSF.
604 2021-08-24 Richard Biener <rguenther@suse.de>
606 * doc/invoke.texi (vect-inner-loop-cost-factor): Adjust.
607 * params.opt (--param vect-inner-loop-cost-factor): Adjust
609 * tree-vect-loop.c (vect_analyze_loop_form): Initialize
610 inner_loop_cost_factor to the minimum of the estimated number
611 of iterations of the inner loop and vect-inner-loop-cost-factor.
613 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
614 Richard Biener <rguenther@suse.de>
616 * config/i386/i386-features.c (compute_convert_gain): Provide
617 more accurate values for CONST_INT, when optimizing for size.
618 * config/i386/i386.c (COSTS_N_BYTES): Move definition from here...
619 * config/i386/i386.h (COSTS_N_BYTES): to here.
621 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
622 Jakub Jelinek <jakub@redhat.com>
625 * match.pd (shift transformations): Add an additional check for
626 !POINTER_TYPE_P in the recently added left shift transformation.
628 2021-08-24 liuhongt <hongtao.liu@intel.com>
630 PR tree-optimization/100089
631 * tree-vectorizer.c (try_vectorize_loop_1): Disable slp in
632 loop vectorizer when cost model is very-cheap.
634 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
636 * config/rs6000/rs6000-gen-builtins.c (parse_bif_entry): Don't call
637 asprintf, which is not available on AIX.
639 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
641 * config.gcc (target_gtfiles): Add ./rs6000-builtins.h.
642 * config/rs6000/t-rs6000 (EXTRA_GTYPE_DEPS): Set.
644 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
646 * config.gcc (powerpc*-*-*): Add rs6000-builtins.o to extra_objs.
647 * config/rs6000/rs6000-gen-builtins.c (main): Close init_file
649 * config/rs6000/t-rs6000 (rs6000-gen-builtins.o): New target.
650 (rbtree.o): Likewise.
651 (rs6000-gen-builtins): Likewise.
652 (rs6000-builtins.c): Likewise.
653 (rs6000-builtins.h): Likewise.
654 (rs6000.o): Add dependency.
655 (EXTRA_HEADERS): Add rs6000-vecdefines.h.
656 (rs6000-vecdefines.h): New target.
657 (rs6000-builtins.o): Likewise.
658 (rs6000-call.o): Add rs6000-builtins.h as a dependency.
659 (rs6000-c.o): Likewise.
661 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
664 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace):
665 Diagnose buffer overrun.
666 (safe_inc_pos): Fix overrun detection.
667 (match_identifier): Diagnose buffer overrun.
668 (match_integer): Likewise.
669 (match_to_right_bracket): Likewise.
671 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
673 * ipa-modref-tree.h (modref_access_node::range_info_useful_p):
674 Improve range compare.
675 (modref_access_node::contains): New member function.
676 (modref_access_node::search): Remove.
677 (modref_access_node::insert): Be smarter about subaccesses.
679 2021-08-23 Thomas Schwinge <thomas@codesourcery.com>
681 * config/i386/i386-options.c (ix86_omp_device_kind_arch_isa)
682 <omp_device_arch> [ACCEL_COMPILER]: Match "intel_mic".
683 * config/i386/t-omp-device (omp-device-properties-i386) <arch>:
686 2021-08-23 Jeff Law <jlaw@localhost.localdomain>
688 * config/h8300/h8300-protos.h (h8300_expand_epilogue): Add new
690 * config/h8300/jumpcall.md (call, call_value): Restrict to
691 !SIBLING_CALL_P cases.
692 (subcall, sibcall_value): New patterns & expanders.
693 * config/h8300/proepi.md (epilogue): Pass new argument to
694 h8300_expand_epilogue.
695 (sibcall_epilogue): New expander.
696 * config/h8300/h8300.c (h8300_expand_epilogue): Handle sibcall
698 (h8300_ok_for_sibcall_p): New function.
699 (TARGET_FUNCTION_OK_FOR_SIBCALL): define.
701 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
703 * simplify-rtx.c (simplify_unary_operation_1): [TRUNCATE]:
704 Handle case where the operand is already the desired mode.
706 2021-08-23 Richard Biener <rguenther@suse.de>
709 * tree-ssa-structalias.c (ipa_pta_execute): Check in_other_partition
710 in addition to has_gimple_body.
712 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
715 * ipa-modref.c (analyze_ssa_name_flags): Fix merging of
718 2021-08-23 Martin Liska <mliska@suse.cz>
720 * doc/invoke.texi: Put the option out of -mxl-mode-app-model
723 2021-08-23 Richard Biener <rguenther@suse.de>
725 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
726 Properly scale the inner loop cost only once.
728 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
730 * tree-ssa-ccp.c (bit_value_binop) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]:
731 Provide bounds for unsigned (and signed with non-negative operands)
732 division and modulus.
734 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
736 * simplify-rtx.c (simplify_truncation): Generalize simplification
737 of (truncate:A (subreg:B X)).
738 (simplify_unary_operation_1) [FLOAT_TRUNCATE, FLOAT_EXTEND,
739 SIGN_EXTEND, ZERO_EXTEND]: Handle cases where the operand
740 already has the desired machine mode.
741 (test_scalar_int_ops): Add tests that useless extensions and
742 truncations are optimized away.
743 (test_scalar_int_ext_ops): New self-test function to confirm
744 that truncations of extensions are correctly simplified.
745 (test_scalar_int_ext_ops2): New self-test function to check
746 truncations of truncations, extensions of extensions, and
747 truncations of extensions.
748 (test_scalar_ops): Call the above two functions with a
749 representative sampling of integer machine modes.
751 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
753 * match.pd (shift transformations): Change the sign of an
754 LSHIFT_EXPR if it reduces the number of explicit conversions.
756 2021-08-23 Jakub Jelinek <jakub@redhat.com>
758 PR tree-optimization/86723
759 * gimple-ssa-store-merging.c (find_bswap_or_nop_finalize): Add
760 cast64_to_32 argument, set *cast64_to_32 to false, unless n is
761 non-memory permutation of 64-bit src which only has bytes of
762 0 or [5..8] and n->range is 4.
763 (find_bswap_or_nop): Add cast64_to_32 and mask arguments, adjust
764 find_bswap_or_nop_finalize caller, support bswap with some bytes
765 zeroed, as long as at least two bytes are not zeroed.
766 (bswap_replace): Add mask argument and handle masking of bswap
768 (maybe_optimize_vector_constructor): Adjust find_bswap_or_nop
769 caller, punt if cast64_to_32 or mask is not all ones.
770 (pass_optimize_bswap::execute): Adjust find_bswap_or_nop_finalize
771 caller, for now punt if cast64_to_32.
773 2021-08-23 Richard Biener <rguenther@suse.de>
775 PR tree-optimization/79334
776 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
777 a type also for COMPONENT_REFs.
778 (vn_reference_may_trap): Check ARRAY_REF with constant index
779 against the array domain.
781 2021-08-23 liuhongt <hongtao.liu@intel.com>
784 * config/i386/sse.md (*avx512f_pshufb_truncv8hiv8qi_1): Add
785 TARGET_AVX512BW to condition.
787 2021-08-23 Jakub Jelinek <jakub@redhat.com>
790 * dwarf2out.c (gen_variable_die): Add DW_AT_location for global
791 register variables already during early_dwarf if possible.
793 2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
795 * config/arm/arm_mve.h: Fix __arm_vctp16q return type.
797 2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
800 * config/arm/arm.opt: Fix typo.
801 * config/arm/t-rmprofile: Fix typo.
803 2021-08-23 Jakub Jelinek <jakub@redhat.com>
805 * tree.h (OMP_CLAUSE_GRAINSIZE_STRICT): Define.
806 (OMP_CLAUSE_NUM_TASKS_STRICT): Define.
807 * tree-pretty-print.c (dump_omp_clause) <case OMP_CLAUSE_GRAINSIZE,
808 case OMP_CLAUSE_NUM_TASKS>: Print strict: modifier.
809 * omp-expand.c (expand_task_call): Use GOMP_TASK_FLAG_STRICT in iflags
810 if either grainsize or num_tasks clause has the strict modifier.
812 2021-08-23 Martin Liska <mliska@suse.cz>
814 * dbgcnt.def (DEBUG_COUNTER): New counter.
815 * gimple.c (gimple_call_arg_flags): Use it in IPA PTA.
817 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
819 * ipa-modref.c (analyze_ssa_name_flags): Improve handling of return slot.
821 2021-08-23 Xi Ruoyao <xry111@mengyan1223.wang>
824 * config/mips/mips-protos.h (mips_msa_output_shift_immediate):
826 * config/mips/mips.c (mips_msa_output_shift_immediate): New
828 * config/mips/mips-msa.md (vashl<mode>3, vashr<mode>3,
829 vlshr<mode>3): Call it.
831 2021-08-22 Jan Hubicka <hubicka@ucw.cz>
832 Martin Liska <mliska@suse.cz>
835 * ipa-modref.c (analyze_ssa_name_flags): Indirect call implies
838 2021-08-21 Dragan Mladjenovic <OT_Dragan.Mladjenovic@mediatek.com>
840 * config/mips/mips.c (mips_function_rodata_section,
841 TARGET_ASM_FUNCTION_RODATA_SECTION): Removed.
843 2021-08-21 John David Anglin <danglin@gcc.gnu.org>
845 * config/pa/pa.c (pa_asm_output_aligned_common): Remove warning.
847 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
849 * configure.ac (thread-local storage support): Remove tls_first_major
850 and tls_first_minor. Use "$conftest_s" to check support.
851 * configure: Regenerate.
853 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
855 * configure.ac: Fixup formatting.
857 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
859 * acinclude.m4 (gcc_GAS_CHECK_FEATURE): Remove third argument and ...
860 * configure.ac: ... update all callers.
862 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
865 * acinclude.m4 (_gcc_COMPUTE_GAS_VERSION, _gcc_GAS_VERSION_GTE_IFELSE)
866 (gcc_GAS_VERSION_GTE_IFELSE): Remove.
867 (gcc_GAS_CHECK_FEATURE): Do not handle in-tree case specially.
868 * configure.ac: Remove gcc_cv_gas_major_version, gcc_cv_gas_minor_version.
869 Remove remaining checks for in-tree assembler.
870 * configure: Regenerate.
872 2021-08-20 Jeff Law <jlaw@localhost.localdomain>
874 * config/h8300/h8300.c (shift_alg_hi): Improve arithmetic shift right
875 by 15 bits for H8/300H and H8/S. Improve logical shifts by 12
877 (shift_alg_si): Improve arithmetic right shift by 28-30 bits for
878 H8/300H. Improve arithmetic shift right by 15 bits for H8/S.
879 Improve logical shifts by 27 bits for H8/S.
880 (get_shift_alg): Corresponding changes.
881 (h8300_option_override): Revert to loops for -Os when profitable.
883 2021-08-20 Richard Biener <rguenther@suse.de>
885 * tree-vect-data-refs.c (dr_group_sort_cmp): Do not compare
887 (vect_analyze_data_ref_accesses): Likewise. Assign the BB
888 index as group_id when dataref_groups were not computed.
889 * tree-vect-slp.c (vect_slp_bbs): Bump current_group when
890 we advace to the next BB.
892 2021-08-20 Jakub Jelinek <jakub@redhat.com>
894 * omp-builtins.def (BUILT_IN_GOMP_WARNING, BUILT_IN_GOMP_ERROR): New
897 2021-08-20 Martin Liska <mliska@suse.cz>
899 PR gcov-profile/89961
900 * gcov.c (make_gcov_file_name): Rewrite using std::string.
901 (mangle_name): Simplify, do not used the second argument.
902 (strip_extention): New function.
903 (get_md5sum): Likewise.
904 (get_gcov_intermediate_filename): Handle properly -p and -x
906 (output_gcov_file): Use string type.
907 (generate_results): Likewise.
908 (md5sum_to_hex): Remove.
910 2021-08-20 Michael Meissner <meissner@linux.ibm.com>
912 * config/rs6000/altivec.md (UNSPEC_XXEVAL): Move to vsx.md.
913 (UNSPEC_XXSPLTIW): Move to vsx.md.
914 (UNSPEC_XXSPLTID): Move to vsx.md.
915 (UNSPEC_XXSPLTI32DX): Move to vsx.md.
916 (UNSPEC_XXBLEND): Move to vsx.md.
917 (UNSPEC_XXPERMX): Move to vsx.md.
918 (VM3): Move to vsx.md.
919 (VM3_char): Move to vsx.md.
920 (xxspltiw_v4si): Move to vsx.md.
921 (xxspltiw_v4sf): Move to vsx.md.
922 (xxspltiw_v4sf_inst): Move to vsx.md.
923 (xxspltidp_v2df): Move to vsx.md.
924 (xxspltidp_v2df_inst): Move to vsx.md.
925 (xxsplti32dx_v4si_inst): Move to vsx.md.
926 (xxsplti32dx_v4sf): Move to vsx.md.
927 (xxsplti32dx_v4sf_inst): Move to vsx.md.
928 (xxblend_<mode>): Move to vsx.md.
929 (xxpermx): Move to vsx.md.
930 (xxpermx_inst): Move to vsx.md.
931 * config/rs6000/vsx.md (UNSPEC_XXEVAL): Move from altivec.md.
932 (UNSPEC_XXSPLTIW): Move from altivec.md.
933 (UNSPEC_XXSPLTID): Move from altivec.md.
934 (UNSPEC_XXSPLTI32DX): Move from altivec.md.
935 (UNSPEC_XXBLEND): Move from altivec.md.
936 (UNSPEC_XXPERMX): Move from altivec.md.
937 (VM3): Move from altivec.md.
938 (VM3_char): Move from altivec.md.
939 (xxspltiw_v4si): Move from altivec.md.
940 (xxspltiw_v4sf): Move from altivec.md.
941 (xxspltiw_v4sf_inst): Move from altivec.md.
942 (xxspltidp_v2df): Move from altivec.md.
943 (xxspltidp_v2df_inst): Move from altivec.md.
944 (xxsplti32dx_v4si_inst): Move from altivec.md.
945 (xxsplti32dx_v4sf): Move from altivec.md.
946 (xxsplti32dx_v4sf_inst): Move from altivec.md.
947 (xxblend_<mode>): Move from altivec.md.
948 (xxpermx): Move from altivec.md.
949 (xxpermx_inst): Move from altivec.md.
951 2021-08-19 Roger Sayle <roger@nextmovesoftware.com>
953 * tree-vect-generic.c (expand_vector_operations_1): Use either
954 gimplify_build1 or gimplify_build2 instead of gimple_build_assign
955 when constructing scalar splat expressions.
957 2021-08-19 Peter Bergner <bergner@linux.ibm.com>
960 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Cast
961 pointer to __vector_pair *.
963 2021-08-19 Martin Sebor <msebor@redhat.com>
965 * gimple-range.cc: Add comments.
966 * gimple-range.h: Same.
968 2021-08-19 Martin Sebor <msebor@redhat.com>
971 * gimple-ssa-warn-access.cc (pass_waccess::execute): Also call
974 2021-08-19 Jeff Law <jlaw@localhost.localdomain>
976 * config.gcc (h8300-*-elf*): Do not include dbxelf.h.
977 (h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
978 * config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.
980 2021-08-19 Jakub Jelinek <jakub@redhat.com>
983 * optabs.c (expand_clrsb_using_clz): New function.
984 (expand_unop): Use it as another clrsb expansion fallback.
986 2021-08-19 liuhongt <hongtao.liu@intel.com>
989 2021-07-28 liuhongt <hongtao.liu@intel.com>
992 * config/i386/i386.h (processor_costs): Add new member
994 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
995 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
996 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
997 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
998 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
999 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
1000 generic_cost, core_cost): Initialize integer_to_sse same value
1002 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
1003 * config/i386/i386.c (ix86_builtin_vectorization_cost):
1004 Use integer_to_sse instead of sse_op to calculate the cost of
1007 2021-08-18 Iain Sandoe <iain@sandoe.co.uk>
1009 * config.gcc: Include rpath.opt for Darwin.
1010 * config/darwin.h (DRIVER_SELF_SPECS): Handle -rpath.
1012 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1015 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor_expand):
1018 2021-08-18 Jonathan Wright <jonathan.wright@arm.com>
1020 * config/aarch64/arm_neon.h (vld3_lane_f64): Use float RTL
1021 pattern and type cast.
1022 (vld4_lane_f32): Use float RTL pattern.
1023 (vld4q_lane_f64): Use float type cast.
1025 2021-08-18 Jan Hubicka <hubicka@ucw.cz>
1027 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Check also
1030 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1032 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): Extend.
1033 (test_map_of_type_with_ctor_and_dtor_expand): Add function.
1034 (hash_map_tests_c_tests): Call it.
1036 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1038 * ggc.h (enum ggc_collect): New.
1039 (ggc_collect): Use it.
1040 * ggc-page.c: Adjust.
1041 * ggc-common.c: Likewise.
1042 * ggc-tests.c: Likewise.
1043 * read-rtl-function.c: Likewise.
1044 * selftest-run-tests.c: Likewise.
1045 * doc/gty.texi (Invoking the garbage collector): Likewise.
1047 2021-08-18 liuhongt <hongtao.liu@intel.com>
1050 * config/i386/i386.h (TARGET_V2DF_REDUCTION_PREFER_HADDPD):
1052 * config/i386/sse.md (*sse3_haddv2df3_low): Add
1053 TARGET_V2DF_REDUCTION_PREFER_HADDPD.
1054 (*sse3_hsubv2df3_low): Ditto.
1055 * config/i386/x86-tune.def
1056 (X86_TUNE_V2DF_REDUCTION_PREFER_HADDPD): New tune.
1058 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1060 * gimple-range-gori.cc (gori_compute::gori_compute): Enable tracing.
1061 (gori_compute::compute_operand_range): Add tracing.
1062 (gori_compute::logical_combine): Ditto.
1063 (gori_compute::compute_logical_operands): Ditto.
1064 (gori_compute::compute_operand1_range): Ditto.
1065 (gori_compute::compute_operand2_range): Ditto.
1066 (gori_compute::outgoing_edge_range_p): Ditto.
1067 * gimple-range-gori.h (class gori_compute): Add range_tracer.
1069 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1071 * flag-types.h (enum evrp_mode): Adjust evrp-mode values.
1072 * gimple-range-cache.cc (DEBUG_RANGE_CACHE): Relocate from.
1073 * gimple-range-trace.h (DEBUG_RANGE_CACHE): Here.
1074 * params.opt (--param=evrp-mode): Adjust options.
1076 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1078 * Makefile.in (OBJS): Add gimple-range-trace.o.
1079 * gimple-range-cache.h (enable_new_values): Remove unused prototype.
1080 * gimple-range-fold.cc: Adjust headers.
1081 * gimple-range-trace.cc: New.
1082 * gimple-range-trace.h: New.
1083 * gimple-range.cc (gimple_ranger::gimple_ranger): Enable tracer.
1084 (gimple_ranger::range_of_expr): Add tracing.
1085 (gimple_ranger::range_on_entry): Ditto.
1086 (gimple_ranger::range_on_exit): Ditto.
1087 (gimple_ranger::range_on_edge): Ditto.
1088 (gimple_ranger::fold_range_internal): Ditto.
1089 (gimple_ranger::dump_bb): Do not calculate edge range twice.
1090 (trace_ranger::*): Remove.
1091 (enable_ranger): Never create a trace_ranger.
1092 (debug_seed_ranger): Move to gimple-range-trace.cc.
1093 (dump_ranger): Ditto.
1094 (debug_ranger): Ditto.
1095 * gimple-range.h: Include gimple-range-trace.h.
1096 (range_on_entry, range_on_exit): No longer virtual.
1097 (class trace_ranger): Remove.
1098 (DEBUG_RANGE_CACHE): Move to gimple-range-trace.h.
1100 2021-08-17 Martin Sebor <msebor@redhat.com>
1102 PR middle-end/101854
1103 * builtins.c (expand_builtin_alloca): Move warning code to check_alloca
1104 in gimple-ssa-warn-access.cc.
1105 * calls.c (alloc_max_size): Move code to check_alloca.
1106 (get_size_range): Move to pointer-query.cc.
1107 (maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.cc.
1108 (get_attr_nonstring_decl): Move to tree.c.
1109 (fntype_argno_type): Move to gimple-ssa-warn-access.cc.
1110 (append_attrname): Same.
1111 (maybe_warn_rdwr_sizes): Same.
1112 (initialize_argument_information): Move code to
1113 gimple-ssa-warn-access.cc.
1114 * calls.h (maybe_warn_alloc_args_overflow): Move to
1115 gimple-ssa-warn-access.h.
1116 (get_attr_nonstring_decl): Move to tree.h.
1117 (maybe_warn_nonstring_arg): Move to gimple-ssa-warn-access.h.
1118 (enum size_range_flags): Move to pointer-query.h.
1119 (get_size_range): Same.
1120 * gimple-ssa-warn-access.cc (has_location): Remove unused overload
1121 to avoid Clang -Wunused-function.
1122 (get_size_range): Declare static.
1123 (maybe_emit_free_warning): Rename...
1124 (maybe_check_dealloc_call): ...to this for consistency.
1125 (class pass_waccess): Add members.
1126 (pass_waccess::~pass_waccess): Defined.
1127 (alloc_max_size): Move here from calls.c.
1128 (maybe_warn_alloc_args_overflow): Same.
1129 (check_alloca): New function.
1130 (check_alloc_size_call): New function.
1131 (check_strncat): Handle another warning flag.
1132 (pass_waccess::check_builtin): Handle alloca.
1133 (fntype_argno_type): Move here from calls.c.
1134 (append_attrname): Same.
1135 (maybe_warn_rdwr_sizes): Same.
1136 (pass_waccess::check_call): Define.
1137 (check_nonstring_args): New function.
1138 (pass_waccess::check): Call new member functions.
1139 (pass_waccess::execute): Enable ranger.
1140 * gimple-ssa-warn-access.h (get_size_range): Move here from calls.h.
1141 (maybe_warn_nonstring_arg): Same.
1142 * gimple-ssa-warn-restrict.c: Remove #include.
1143 * pointer-query.cc (get_size_range): Move here from calls.c.
1144 * pointer-query.h (enum size_range_flags): Same.
1145 (get_size_range): Same.
1146 * tree.c (get_attr_nonstring_decl): Move here from calls.c.
1147 * tree.h (get_attr_nonstring_decl): Move here from calls.h.
1149 2021-08-17 Thomas Schwinge <thomas@codesourcery.com>
1151 * ggc.h (ggc_collect): Add 'force_collect' parameter.
1152 * ggc-page.c (ggc_collect): Use that one instead of global
1153 'ggc_force_collect'. Adjust all users.
1154 * doc/gty.texi (Invoking the garbage collector): Update.
1155 * ggc-internal.h (ggc_force_collect): Remove.
1156 * ggc-common.c (ggc_force_collect): Likewise.
1157 * selftest.h (forcibly_ggc_collect): Remove.
1158 * ggc-tests.c (selftest::forcibly_ggc_collect): Likewise.
1159 * read-rtl-function.c (test_loading_labels): Adjust.
1160 * selftest-run-tests.c (run_tests): Likewise.
1162 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
1164 * config/darwin.c (darwin_file_end): Reset and reclaim the
1165 section names table at the end of compile.
1167 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
1170 * config.in: Regenerate.
1171 * config/i386/darwin.h (EXTRA_ASM_OPTS): New
1172 (ASM_SPEC): Pass options to disable branch shortening where
1174 * configure: Regenerate.
1175 * configure.ac: Detect versions of 'as' that support the
1176 optimisation which has the bug.
1178 2021-08-17 Richard Biener <rguenther@suse.de>
1180 * optabs-query.c (supports_vec_gather_load_p): Also check
1182 (supports_vec_scatter_store_p): Likewise.
1183 * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Fall
1184 back to masked variants if non-masked are not supported.
1185 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
1186 When we need to use masked gather/scatter but do not have
1187 a mask set up a constant true one.
1188 * tree-vect-stmts.c (vect_check_scalar_mask): Also allow
1191 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
1193 * tree-ssa-ccp.c (bit_value_binop) [MINUS_EXPR]: Use same
1194 algorithm as PLUS_EXPR to improve subtraction bit bounds.
1195 [POINTER_DIFF_EXPR]: Treat as synonymous with MINUS_EXPR.
1197 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
1199 * tree-ssa-ccp.c (bit_value_mult_const): New helper function to
1200 calculate the mask-value pair result of a multiplication by an
1202 (bit_value_binop) [MULT_EXPR]: Call it from here for
1203 multiplications by (sparse) non-negative constants.
1205 2021-08-17 Christophe Lyon <christophe.lyon@foss.st.com>
1208 * config.gcc (gcc_cv_initfini_array): Leave undefined for
1209 uclinuxfdpiceabi targets.
1211 2021-08-17 Alexandre Oliva <oliva@adacore.com>
1213 * tree-inline.c (maybe_move_debug_stmts_to_successors): Don't
1214 reverse debug stmts.
1216 2021-08-17 Alexandre Oliva <oliva@adacore.com>
1218 * tree-cfg.c (dump_function_to_file): Use fun, not cfun.
1220 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1222 * config/aarch64/arm_neon.h (__LD4_LANE_FUNC): Delete.
1223 (__LD4Q_LANE_FUNC): Likewise.
1224 (vld4_lane_u8): Define without macro.
1225 (vld4_lane_u16): Likewise.
1226 (vld4_lane_u32): Likewise.
1227 (vld4_lane_u64): Likewise.
1228 (vld4_lane_s8): Likewise.
1229 (vld4_lane_s16): Likewise.
1230 (vld4_lane_s32): Likewise.
1231 (vld4_lane_s64): Likewise.
1232 (vld4_lane_f16): Likewise.
1233 (vld4_lane_f32): Likewise.
1234 (vld4_lane_f64): Likewise.
1235 (vld4_lane_p8): Likewise.
1236 (vld4_lane_p16): Likewise.
1237 (vld4_lane_p64): Likewise.
1238 (vld4q_lane_u8): Likewise.
1239 (vld4q_lane_u16): Likewise.
1240 (vld4q_lane_u32): Likewise.
1241 (vld4q_lane_u64): Likewise.
1242 (vld4q_lane_s8): Likewise.
1243 (vld4q_lane_s16): Likewise.
1244 (vld4q_lane_s32): Likewise.
1245 (vld4q_lane_s64): Likewise.
1246 (vld4q_lane_f16): Likewise.
1247 (vld4q_lane_f32): Likewise.
1248 (vld4q_lane_f64): Likewise.
1249 (vld4q_lane_p8): Likewise.
1250 (vld4q_lane_p16): Likewise.
1251 (vld4q_lane_p64): Likewise.
1252 (vld4_lane_bf16): Likewise.
1253 (vld4q_lane_bf16): Likewise.
1255 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1257 * config/aarch64/arm_neon.h (__LD3_LANE_FUNC): Delete.
1258 (__LD3Q_LANE_FUNC): Delete.
1259 (vld3_lane_u8): Define without macro.
1260 (vld3_lane_u16): Likewise.
1261 (vld3_lane_u32): Likewise.
1262 (vld3_lane_u64): Likewise.
1263 (vld3_lane_s8): Likewise.
1264 (vld3_lane_s16): Likewise.
1265 (vld3_lane_s32): Likewise.
1266 (vld3_lane_s64): Likewise.
1267 (vld3_lane_f16): Likewise.
1268 (vld3_lane_f32): Likewise.
1269 (vld3_lane_f64): Likewise.
1270 (vld3_lane_p8): Likewise.
1271 (vld3_lane_p16): Likewise.
1272 (vld3_lane_p64): Likewise.
1273 (vld3q_lane_u8): Likewise.
1274 (vld3q_lane_u16): Likewise.
1275 (vld3q_lane_u32): Likewise.
1276 (vld3q_lane_u64): Likewise.
1277 (vld3q_lane_s8): Likewise.
1278 (vld3q_lane_s16): Likewise.
1279 (vld3q_lane_s32): Likewise.
1280 (vld3q_lane_s64): Likewise.
1281 (vld3q_lane_f16): Likewise.
1282 (vld3q_lane_f32): Likewise.
1283 (vld3q_lane_f64): Likewise.
1284 (vld3q_lane_p8): Likewise.
1285 (vld3q_lane_p16): Likewise.
1286 (vld3q_lane_p64): Likewise.
1287 (vld3_lane_bf16): Likewise.
1288 (vld3q_lane_bf16): Likewise.
1290 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1292 * config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Delete.
1293 (__LD2Q_LANE_FUNC): Likewise.
1294 (vld2_lane_u8): Define without macro.
1295 (vld2_lane_u16): Likewise.
1296 (vld2_lane_u32): Likewise.
1297 (vld2_lane_u64): Likewise.
1298 (vld2_lane_s8): Likewise.
1299 (vld2_lane_s16): Likewise.
1300 (vld2_lane_s32): Likewise.
1301 (vld2_lane_s64): Likewise.
1302 (vld2_lane_f16): Likewise.
1303 (vld2_lane_f32): Likewise.
1304 (vld2_lane_f64): Likewise.
1305 (vld2_lane_p8): Likewise.
1306 (vld2_lane_p16): Likewise.
1307 (vld2_lane_p64): Likewise.
1308 (vld2q_lane_u8): Likewise.
1309 (vld2q_lane_u16): Likewise.
1310 (vld2q_lane_u32): Likewise.
1311 (vld2q_lane_u64): Likewise.
1312 (vld2q_lane_s8): Likewise.
1313 (vld2q_lane_s16): Likewise.
1314 (vld2q_lane_s32): Likewise.
1315 (vld2q_lane_s64): Likewise.
1316 (vld2q_lane_f16): Likewise.
1317 (vld2q_lane_f32): Likewise.
1318 (vld2q_lane_f64): Likewise.
1319 (vld2q_lane_p8): Likewise.
1320 (vld2q_lane_p16): Likewise.
1321 (vld2q_lane_p64): Likewise.
1322 (vld2_lane_bf16): Likewise.
1323 (vld2q_lane_bf16): Likewise.
1325 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1327 * haifa-sched.c (advance_one_cycle): Output more context-synchronization
1330 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1332 * haifa-sched.c (enum rfs_decision, rfs_str): Add RFS_AUTOPREF.
1333 (rank_for_schedule): Use it.
1335 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1337 PR rtl-optimization/91598
1338 * haifa-sched.c (autopref_rank_for_schedule): Prioritize "irrelevant"
1339 insns after memory reads and before memory writes.
1341 2021-08-17 Alistair_Lee <alistair.lee@arm.com>
1343 * rtl.h (CONST_VECTOR_P): New macro.
1344 * config/aarch64/aarch64.c (aarch64_get_sve_pred_bits): Use RTL
1345 code testing macros.
1346 (aarch64_ptrue_all_mode): Likewise.
1347 (aarch64_expand_mov_immediate): Likewise.
1348 (aarch64_const_vec_all_in_range_p): Likewise.
1349 (aarch64_rtx_costs): Likewise.
1350 (aarch64_legitimate_constant_p): Likewise.
1351 (aarch64_simd_valid_immediate): Likewise.
1352 (aarch64_simd_make_constant): Likewise.
1353 (aarch64_convert_mult_to_shift): Likewise.
1354 (aarch64_expand_sve_vec_perm): Likewise.
1355 (aarch64_vec_fpconst_pow_of_2): Likewise.
1357 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1359 PR tree-optimization/101938
1360 * range-op.cc (operator_abs::op1_range): Special case
1361 -TYPE_MIN_VALUE for flag_wrapv.
1363 2021-08-17 Kewen Lin <linkw@linux.ibm.com>
1365 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Add the cost for
1368 2021-08-17 Jakub Jelinek <jakub@redhat.com>
1370 * tree.def (OMP_SCOPE): New tree code.
1371 * tree.h (OMP_SCOPE_BODY, OMP_SCOPE_CLAUSES): Define.
1372 * tree-nested.c (convert_nonlocal_reference_stmt,
1373 convert_local_reference_stmt, convert_gimple_call): Handle
1375 * tree-pretty-print.c (dump_generic_node): Handle OMP_SCOPE.
1376 * gimple.def (GIMPLE_OMP_SCOPE): New gimple code.
1377 * gimple.c (gimple_build_omp_scope): New function.
1378 (gimple_copy): Handle GIMPLE_OMP_SCOPE.
1379 * gimple.h (gimple_build_omp_scope): Declare.
1380 (gimple_has_substatements): Handle GIMPLE_OMP_SCOPE.
1381 (gimple_omp_scope_clauses, gimple_omp_scope_clauses_ptr,
1382 gimple_omp_scope_set_clauses): New inline functions.
1383 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_SCOPE.
1384 * gimple-pretty-print.c (dump_gimple_omp_scope): New function.
1385 (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCOPE.
1386 * gimple-walk.c (walk_gimple_stmt): Likewise.
1387 * gimple-low.c (lower_stmt): Likewise.
1388 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
1389 (gimplify_scan_omp_clauses): For task reductions, handle OMP_SCOPE
1390 like ORT_WORKSHARE constructs. Adjust diagnostics for %<scope%>
1391 allowing task reductions. Reject inscan reductions on scope.
1392 (omp_find_stores_stmt): Handle GIMPLE_OMP_SCOPE.
1393 (gimplify_omp_workshare, gimplify_expr): Handle OMP_SCOPE.
1394 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_SCOPE.
1395 (estimate_num_insns): Likewise.
1396 * omp-low.c (build_outer_var_ref): Look through GIMPLE_OMP_SCOPE
1397 contexts if var isn't privatized there.
1398 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_SCOPE.
1399 (scan_omp_1_stmt): Likewise.
1400 (maybe_add_implicit_barrier_cancel): Look through outer
1402 (lower_omp_scope): New function.
1403 (lower_omp_task_reductions): Handle OMP_SCOPE.
1404 (lower_omp_1): Handle GIMPLE_OMP_SCOPE.
1405 (diagnose_sb_1, diagnose_sb_2): Likewise.
1406 * omp-expand.c (expand_omp_single): Support also GIMPLE_OMP_SCOPE.
1407 (expand_omp): Handle GIMPLE_OMP_SCOPE.
1408 (omp_make_gimple_edges): Likewise.
1409 * omp-builtins.def (BUILT_IN_GOMP_SCOPE_START): New built-in.
1411 2021-08-17 Richard Biener <rguenther@suse.de>
1413 PR tree-optimization/101925
1414 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Set
1415 reverse on COMPONENT_REF and ARRAY_REF according to
1416 what reverse_storage_order_for_component_p does.
1417 (vn_reference_eq): Compare reversed on reference ops.
1418 (reverse_storage_order_for_component_p): New overload.
1419 (vn_reference_lookup_3): Check reverse_storage_order_for_component_p
1420 on the reference looked up.
1422 2021-08-17 Jeff Law <jlaw@localhost.localdomain>
1424 * config/h8300/h8300.c (shift_alg_si): Avoid loops for most SImode
1426 (h8300_option_override): Use loops on H8/S more often when optimizing
1428 (get_shift_alg): Handle new "special" cases on H8/S. Simplify
1429 accordingly. Handle various arithmetic right shifts with special
1430 sequences that we couldn't handle before.
1432 2021-08-16 Jeff Law <jlaw@localhost.localdomain>
1434 * config.gcc (rl78-*-elf*): Do not include dbxelf.h.
1436 2021-08-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
1438 * config/sparc/rtemself.h (SPARC_GCOV_TYPE_SIZE): Define.
1439 * config/sparc/sparc.c (sparc_gcov_type_size): New.
1440 (TARGET_GCOV_TYPE_SIZE): Redefine if SPARC_GCOV_TYPE_SIZE is defined.
1441 * coverage.c (get_gcov_type): Use targetm.gcov_type_size().
1442 * doc/tm.texi (TARGET_GCOV_TYPE_SIZE): Add hook under "Misc".
1443 * doc/tm.texi.in: Regenerate.
1444 * target.def (gcov_type_size): New target hook.
1445 * targhooks.c (default_gcov_type_size): New.
1446 * targhooks.h (default_gcov_type_size): Declare.
1447 * tree-profile.c (gimple_gen_edge_profiler): Use precision of
1449 (gimple_gen_time_profiler): Likewise.
1451 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
1453 * dwarf2out.c (add_scalar_info): Deal with DW_AT_data_bit_offset.
1455 2021-08-16 Tobias Burnus <tobias@codesourcery.com>
1457 PR middle-end/101931
1458 * omp-low.c (omp_runtime_api_call): Update for routines
1459 added in the meanwhile.
1461 2021-08-16 Martin Liska <mliska@suse.cz>
1463 PR tree-optimization/100393
1464 * tree-switch-conversion.c (group_cluster::dump): Use
1465 get_comparison_count.
1466 (jump_table_cluster::find_jump_tables): Pre-compute number of
1467 comparisons and then decrement it. Cache also max_ratio.
1468 (jump_table_cluster::can_be_handled): Change signature.
1469 * tree-switch-conversion.h (get_comparison_count): New.
1471 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
1473 * dwarf2out.c (add_data_member_location_attribute): Use GNAT
1474 encodings only when -fgnat-encodings=all is specified.
1475 (add_bound_info): Likewise.
1476 (add_byte_size_attribute): Likewise.
1477 (gen_member_die): Likewise.
1479 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
1481 * omp-oacc-neuter-broadcast.cc
1482 (execute_omp_oacc_neuter_broadcast): Plug 'par' memory leak.
1484 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
1486 * omp-oacc-neuter-broadcast.cc
1487 (execute_omp_oacc_neuter_broadcast): Clarify memory management for
1490 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
1492 * omp-oacc-neuter-broadcast.cc (field_map): Move variable into...
1493 (execute_omp_oacc_neuter_broadcast): ... here.
1494 (install_var_field, build_receiver_ref, build_sender_ref): Take
1495 'field_map_t *' parameter. Adjust all users.
1496 (worker_single_copy, neuter_worker_single): Take a
1497 'record_field_map_t *' parameter. Adjust all users.
1499 2021-08-16 liuhongt <hongtao.liu@intel.com>
1502 * config/i386/i386.md (ldexp<mode>3): Force operands[1] to
1505 2021-08-16 Martin Liska <mliska@suse.cz>
1508 * multiple_target.c (create_dispatcher_calls): Make default
1509 function local only if it is a definition.
1511 2021-08-16 Martin Liska <mliska@suse.cz>
1514 * ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not
1515 consider equal SSA_NAMEs when one is a param.
1517 2021-08-16 liuhongt <hongtao.liu@intel.com>
1520 * config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
1521 Support vpermi2b for V32QI/V16QImode.
1522 (ix86_extract_perm_from_pool_constant): New function.
1523 (ix86_expand_vec_one_operand_perm_avx512): Support
1524 vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
1525 (expand_vec_perm_1): Adjust comments for upper.
1526 * config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
1528 * config/i386/predicates.md (permvar_truncate_operand): New predicate.
1529 (pshufb_truncv4siv4hi_operand): Ditto.
1530 (pshufb_truncv8hiv8qi_operand): Ditto.
1531 * config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
1532 New pre_reload define_insn_and_split.
1533 (*avx512f_permvar_truncv8siv8hi_1): Ditto.
1534 (*avx512f_vpermvar_truncv8div8si_1): Ditto.
1535 (*avx512f_permvar_truncv32hiv32qi_1): Ditto.
1536 (*avx512f_permvar_truncv16hiv16qi_1): Ditto.
1537 (*avx512f_permvar_truncv4div4si_1): Ditto.
1538 (*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
1539 (*avx512f_pshufb_truncv4siv4hi_1): Ditto.
1540 (*avx512f_pshufd_truncv2div2si_1): Ditto.
1542 2021-08-16 Kito Cheng <kito.cheng@sifive.com>
1544 * config/riscv/multilib-generator: Support code model option for
1546 * doc/install.texi: Add document of new option for
1547 --with-multilib-generator.
1549 2021-08-15 Clément Chigot <clement.chigot@atos.net>
1551 * config/rs6000/rs6000.c (xcoff_tls_exec_model_detected): New.
1552 (rs6000_legitimize_tls_address_aix): Use it.
1553 (rs6000_xcoff_file_end): Add ".ref __tls_get_addr" when
1554 xcoff_tls_exec_model_detected is true.
1556 2021-08-15 Jeff Law <jlaw@localhost.localdomain>
1558 * config/h8300/h8300.c (shift_alg_si): Retune H8/300H shifts
1559 to allow a bit more code growth, saving many dozens of cycles.
1560 (h8300_option_override): Adjus shift_alg_si if optimizing for
1562 (get_shift_alg): Use special + inline shifts for residuals
1565 2021-08-14 Stafford Horne <shorne@gmail.com>
1568 * config/or1k/or1k-opts.h: New file.
1569 * config/or1k/or1k.c (or1k_legitimize_address_1, print_reloc):
1570 Support generating gotha relocations if -mcmodel=large is
1572 * config/or1k/or1k.h (TARGET_CMODEL_SMALL, TARGET_CMODEL_LARGE):
1574 * config/or1k/or1k.opt (mcmodel=): New option.
1575 * doc/invoke.texi (OpenRISC Options): Document mcmodel.
1577 2021-08-14 Martin Sebor <msebor@redhat.com>
1579 PR middle-end/101791
1580 * gimple-ssa-warn-access.cc (new_delete_mismatch_p): Use new argument
1581 to valid_new_delete_pair_p.
1582 * tree.c (valid_new_delete_pair_p): Add argument.
1583 * tree.h (valid_new_delete_pair_p): Same.
1585 2021-08-14 Jakub Jelinek <jakub@redhat.com>
1588 * config/i386/i386-expand.c (expand_vec_perm_broadcast_1)
1589 <case E_V64QImode>: For this mode assert
1590 !TARGET_AVX512BW || d->perm[0] rather than !TARGET_AVX2 || d->perm[0].
1592 2021-08-13 Michael Meissner <meissner@linux.ibm.com>
1595 * config/rs6000/altivec.md (xxeval): Use register_predicate
1596 instead of altivec_register_predicate.
1598 2021-08-13 Martin Sebor <msebor@redhat.com>
1600 PR middle-end/101734
1601 * tree-ssa-uninit.c (maybe_warn_read_write_only): New function.
1602 (maybe_warn_operand): Call it.
1604 2021-08-13 Martin Liska <mliska@suse.cz>
1607 * attribs.c (decl_attributes): Make naked functions "noipa"
1610 2021-08-13 Martin Liska <mliska@suse.cz>
1613 * symtab.c (symtab_node::noninterposable_alias): Do not create
1614 local aliases for target_clone functions as the clonning pass
1617 2021-08-13 Martin Liska <mliska@suse.cz>
1619 * opts.c (LIVE_PATCHING_OPTION): Define.
1620 (control_options_for_live_patching): Use it in error messages.
1622 2021-08-13 Jan Hubicka <hubicka@ucw.cz>
1624 * ipa-modref.c (dump_eaf_flags): Dump EAF_NOREAD.
1625 (implicit_const_eaf_flags, implicit_pure_eaf_flags,
1626 ignore_stores_eaf_flags): New constants.
1627 (remove_useless_eaf_flags): New function.
1628 (eaf_flags_useful_p): Use it.
1629 (deref_flags): Add EAF_NOT_RETURNED if flag is unused;
1631 (modref_lattice::init): Add EAF_NOREAD.
1632 (modref_lattice::add_escape_point): Do not reacord escape point if
1634 (modref_lattice::merge): EAF_NOESCAPE implies EAF_NODIRECTESCAPE;
1635 use remove_useless_eaf_flags.
1636 (modref_lattice::merge_deref): Use ignore_stores_eaf_flags.
1637 (modref_lattice::merge_direct_load): Add EAF_NOREAD
1638 (analyze_ssa_name_flags): Fix handling EAF_NOT_RETURNED
1639 (analyze_parms): Use remove_useless_eaf_flags.
1640 (ipa_merge_modref_summary_after_inlining): Use ignore_stores_eaf_flags.
1641 (modref_merge_call_site_flags): Add caller and ecf_flags parameter;
1642 use remove_useless_eaf_flags.
1643 (modref_propagate_flags_in_scc): Update.
1644 * ipa-modref.h: Turn eaf_flags_t back to char.
1645 * tree-core.h (EAF_NOT_RETURNED): Fix.
1646 (EAF_NOREAD): New constant
1647 * tree-ssa-alias.c: (ref_maybe_used_by_call_p_1): Check for
1649 * tree-ssa-structalias.c (handle_rhs_call): Handle new flags.
1650 (handle_pure_call): Likewise.
1652 2021-08-12 Jakub Jelinek <jakub@redhat.com>
1654 * tree.def (OMP_MASKED): New tree code.
1655 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
1656 * tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
1657 OMP_CLAUSE_FILTER_EXPR): Define.
1658 * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
1659 (omp_clause_code_name): Likewise.
1660 (walk_tree_1): Handle OMP_CLAUSE_FILTER.
1661 * tree-nested.c (convert_nonlocal_omp_clauses,
1662 convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
1663 (convert_nonlocal_reference_stmt, convert_local_reference_stmt,
1664 convert_gimple_call): Handle GIMPLE_OMP_MASTER.
1665 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
1666 (dump_generic_node): Handle OMP_MASTER.
1667 * gimple.def (GIMPLE_OMP_MASKED): New gimple code.
1668 * gimple.c (gimple_build_omp_masked): New function.
1669 (gimple_copy): Handle GIMPLE_OMP_MASKED.
1670 * gimple.h (gimple_build_omp_masked): Declare.
1671 (gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
1672 (gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
1673 gimple_omp_masked_set_clauses): New inline functions.
1674 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
1675 * gimple-pretty-print.c (dump_gimple_omp_masked): New function.
1676 (pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
1677 * gimple-walk.c (walk_gimple_stmt): Likewise.
1678 * gimple-low.c (lower_stmt): Likewise.
1679 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
1680 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER. For clauses
1681 that take one expression rather than decl or constant, force
1682 gimplification of that into a SSA_NAME or temporary unless min
1684 (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
1685 (gimplify_expr): Handle OMP_MASKED.
1686 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
1687 (estimate_num_insns): Likewise.
1688 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
1689 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED. Adjust
1690 diagnostics for existence of masked construct.
1691 (scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
1692 diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
1693 * omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
1696 2021-08-12 Uroš Bizjak <ubizjak@gmail.com>
1699 * config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
1700 (ldexp<mode>3): Use avx512f_scalef<mode>2.
1701 (UNSPEC_SCALEF): Move from ...
1702 * config/i386/sse.md (UNSPEC_SCALEF): ... here.
1704 2021-08-12 Jan Hubicka <hubicka@ucw.cz>
1706 * ipa-split.c (consider_split): Fix condition testing void functions.
1708 2021-08-12 Aldy Hernandez <aldyh@redhat.com>
1710 * doc/invoke.texi: Remove docs for threader-mode param.
1711 * flag-types.h (enum threader_mode): Remove.
1712 * params.opt: Remove threader-mode param.
1713 * tree-ssa-threadbackward.c (class back_threader): Remove
1714 path_is_unreachable_p.
1715 Make find_paths private.
1716 Add maybe_thread and thread_through_all_blocks.
1717 Remove reference marker for m_registry.
1718 Remove reference marker for m_profit.
1719 (back_threader::back_threader): Adjust for registry and profit not
1721 (dump_path): Move down.
1723 (class thread_jumps): Remove.
1724 (class back_threader_registry): Remove m_all_paths.
1726 (thread_jumps::thread_through_all_blocks): Move to back_threader
1728 (fsm_find_thread_path): Remove
1729 (back_threader::maybe_thread): New.
1730 (back_threader::thread_through_all_blocks): Move from
1732 (back_threader_registry::back_threader_registry): Remove
1734 (back_threader_registry::~back_threader_registry): Remove.
1735 (thread_jumps::find_taken_edge): Remove.
1736 (thread_jumps::check_subpath_and_update_thread_path): Remove.
1737 (thread_jumps::maybe_register_path): Remove.
1738 (thread_jumps::handle_phi): Remove.
1739 (handle_assignment_p): Remove.
1740 (thread_jumps::handle_assignment): Remove.
1741 (thread_jumps::fsm_find_control_statement_thread_paths): Remove.
1742 (thread_jumps::find_jump_threads_backwards): Remove.
1743 (thread_jumps::find_jump_threads_backwards_with_ranger): Remove.
1744 (try_thread_blocks): Rename find_jump_threads_backwards to
1746 (pass_early_thread_jumps::execute): Same.
1748 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
1750 * tree-core.h (omp_clause_proc_bind_kind): Add
1751 OMP_CLAUSE_PROC_BIND_PRIMARY.
1752 * tree-pretty-print.c (dump_omp_clause): Add TODO comment to
1753 change 'master' to 'primary' in proc_bind for OpenMP 5.1.
1755 2021-08-12 Claudiu Zissulescu <claziss@synopsys.com>
1757 * common/config/arc/arc-common.c (arc_option_init_struct): Remove
1758 fno-common reference.
1759 * config/arc/arc.c (arc_override_options): Remove overriding of
1762 2021-08-12 Jakub Jelinek <jakub@redhat.com>
1765 * config/i386/i386-expand.c (ix86_expand_vec_one_operand_perm_avx512):
1766 If d->testing_p, return true after performing checks instead of
1767 actually expanding the insn.
1768 (expand_vec_perm_broadcast_1): Handle V32HImode - assert
1769 !TARGET_AVX512BW and return false.
1771 2021-08-12 Eric Botcazou <ebotcazou@gcc.gnu.org>
1773 * configure.ac (PE linker --disable-dynamicbase support): New check.
1774 * configure: Regenerate.
1775 * config.in: Likewise.
1776 * config/i386/mingw32.h (LINK_SPEC_DISABLE_DYNAMICBASE): New define.
1777 (LINK_SPEC): Use it.
1778 * config/i386/mingw-w64.h (LINK_SPEC_DISABLE_DYNAMICBASE): Likewise.
1779 (LINK_SPEC): Likewise.
1781 2021-08-12 liuhongt <hongtao.liu@intel.com>
1784 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_2): New
1785 post_reload define_insn_and_split.
1786 (*avx512bw_zero_extendv32qiv32hi2_2): Ditto.
1787 (*sse4_1_zero_extendv8qiv8hi2_4): Ditto.
1788 (*avx512f_zero_extendv16hiv16si2_2): Ditto.
1789 (*avx2_zero_extendv8hiv8si2_2): Ditto.
1790 (*sse4_1_zero_extendv4hiv4si2_4): Ditto.
1791 (*avx512f_zero_extendv8siv8di2_2): Ditto.
1792 (*avx2_zero_extendv4siv4di2_2): Ditto.
1793 (*sse4_1_zero_extendv2siv2di2_4): Ditto.
1794 (VI248_256, VI248_512, VI148_512, VI148_256, VI148_128): New
1797 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
1799 * config/rs6000/rs6000-builtin-new.def: Add always, power5, and
1802 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
1804 * config/rs6000/rs6000-builtin-new.def: Add vsx stanza.
1806 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
1808 * config/rs6000/rs6000-builtin-new.def: Finish altivec stanza.
1809 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Move
1810 initialization of pcvoid_type_node here...
1811 (altivec_init_builtins): ...from here.
1812 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add
1813 RS6000_BTI_const_ptr_void.
1814 (pcvoid_type_node): New macro.
1816 2021-08-11 Richard Biener <rguenther@suse.de>
1819 * tree-ssa-forwprop.c (pass_forwprop::execute): Do not decompose
1820 hard-register accesses.
1822 2021-08-11 Richard Biener <rguenther@suse.de>
1824 * tree-ssa-operands.c (operands_scanner::get_expr_operands):
1825 Do not look at COMPONENT_REF FIELD_DECLs TREE_THIS_VOLATILE
1826 to determine has_volatile_ops.
1828 2021-08-11 Eric Botcazou <ebotcazou@gcc.gnu.org>
1830 * cfgexpand.c (expand_used_vars): Reuse attribs local variable.
1832 2021-08-11 Jan Hubicka <hubicka@ucw.cz>
1833 Alexandre Oliva <oliva@adacore.com>
1835 * ipa-modref.c (modref_lattice::dump): Fix escape_point's min_flags
1837 (modref_lattice::merge_deref): Fix handling of indirect scape points.
1838 (update_escape_summary_1): Likewise.
1839 (update_escape_summary): Likewise.
1840 (ipa_merge_modref_summary_after_inlining): Likewise.
1842 2021-08-11 Richard Biener <rguenther@suse.de>
1844 PR middle-end/101858
1845 * fold-const.c (fold_binary_loc): Guard simplification
1846 of X < (cast) (1 << Y) to integer types.
1848 2021-08-11 Richard Biener <rguenther@suse.de>
1850 PR tree-optimization/101861
1851 * tree-vect-stmts.c (vectorizable_load): Fix error in
1852 previous change with regard to gather vectorization.
1854 2021-08-11 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
1857 * config/arm/arm_neon.h (vdup_n_s8): Replace call to builtin
1859 (vdup_n_s16): Likewise.
1860 (vdup_n_s32): Likewise.
1861 (vdup_n_s64): Likewise.
1862 (vdup_n_u8): Likewise.
1863 (vdup_n_u16): Likewise.
1864 (vdup_n_u32): Likewise.
1865 (vdup_n_u64): Likewise.
1866 (vdup_n_p8): Likewise.
1867 (vdup_n_p16): Likewise.
1868 (vdup_n_p64): Likewise.
1869 (vdup_n_f16): Likewise.
1870 (vdup_n_f32): Likewise.
1871 (vdupq_n_s8): Likewise.
1872 (vdupq_n_s16): Likewise.
1873 (vdupq_n_s32): Likewise.
1874 (vdupq_n_s64): Likewise.
1875 (vdupq_n_u8): Likewise.
1876 (vdupq_n_u16): Likewise.
1877 (vdupq_n_u32): Likewise.
1878 (vdupq_n_u64): Likewise.
1879 (vdupq_n_p8): Likewise.
1880 (vdupq_n_p16): Likewise.
1881 (vdupq_n_p64): Likewise.
1882 (vdupq_n_f16): Likewise.
1883 (vdupq_n_f32): Likewise.
1884 (vmov_n_s8): Replace call to builtin with call to corresponding
1886 (vmov_n_s16): Likewise.
1887 (vmov_n_s32): Likewise.
1888 (vmov_n_s64): Likewise.
1889 (vmov_n_u8): Likewise.
1890 (vmov_n_u16): Likewise.
1891 (vmov_n_u32): Likewise.
1892 (vmov_n_u64): Likewise.
1893 (vmov_n_p8): Likewise.
1894 (vmov_n_p16): Likewise.
1895 (vmov_n_f16): Likewise.
1896 (vmov_n_f32): Likewise.
1897 (vmovq_n_s8): Likewise.
1898 (vmovq_n_s16): Likewise.
1899 (vmovq_n_s32): Likewise.
1900 (vmovq_n_s64): Likewise.
1901 (vmovq_n_u8): Likewise.
1902 (vmovq_n_u16): Likewise.
1903 (vmovq_n_u32): Likewise.
1904 (vmovq_n_u64): Likewise.
1905 (vmovq_n_p8): Likewise.
1906 (vmovq_n_p16): Likewise.
1907 (vmovq_n_f16): Likewise.
1908 (vmovq_n_f32): Likewise.
1909 * config/arm/arm_neon_builtins.def: Remove entries for vdup_n.
1911 2021-08-11 liuhongt <hongtao.liu@intel.com>
1914 * config/i386/i386.md (ldexp<mode>3): Extend to vscalefs[sd]
1915 when TARGET_AVX512F and TARGET_SSE_MATH.
1917 2021-08-10 Jakub Jelinek <jakub@redhat.com>
1920 * config/i386/i386-expand.c (expand_vec_perm_even_odd): Return false
1921 for V32HImode if !TARGET_AVX512BW.
1922 (ix86_vectorize_vec_perm_const) <case E_V32HImode, case E_V64QImode>:
1923 If !TARGET_AVX512BW and TARGET_AVX512F and d.testing_p, don't fail
1924 early, but actually check the permutation.
1926 2021-08-10 Richard Biener <rguenther@suse.de>
1928 PR tree-optimization/101809
1929 * tree-vect-stmts.c (get_load_store_type): Allow emulated
1930 gathers with offset vector nunits being a constant multiple
1931 of the data vector nunits.
1932 (vect_get_gather_scatter_ops): Use the appropriate nunits
1933 for the offset vector defs.
1934 (vectorizable_store): Adjust call to
1935 vect_get_gather_scatter_ops.
1936 (vectorizable_load): Likewise. Handle the case of less
1937 offset vectors than data vectors.
1939 2021-08-10 Jakub Jelinek <jakub@redhat.com>
1942 * config/i386/sse.md (*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1,
1943 *avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): New define_insn
1946 2021-08-10 Richard Biener <rguenther@suse.de>
1948 PR tree-optimization/101801
1949 PR tree-optimization/101819
1950 * tree-vectorizer.h (vect_emulated_vector_p): Declare.
1951 * tree-vect-loop.c (vect_emulated_vector_p): New function.
1952 (vectorizable_reduction): Re-instantiate a check for emulated
1954 * tree-vect-stmts.c (vectorizable_shift): Likewise.
1955 (vectorizable_operation): Likewise. Cost emulated vector
1956 operations according to the scalar sequence synthesized by
1959 2021-08-10 Richard Biener <rguenther@suse.de>
1961 PR middle-end/101824
1962 * tree-nested.c (get_frame_field): Mark the COMPONENT_REF as
1963 volatile in case the variable was.
1965 2021-08-10 H.J. Lu <hjl.tools@gmail.com>
1968 * config/i386/constraints.md (BC): Document for integer SSE
1969 constant all bits set operand.
1970 (BF): New constraint for const floating-point all bits set
1972 * config/i386/i386.c (standard_sse_constant_p): Likewise.
1973 (standard_sse_constant_opcode): Likewise.
1974 * config/i386/sse.md (sseconstm1): New mode attribute.
1975 (mov<mode>_internal): Replace BC with <sseconstm1>.
1977 2021-08-10 liuhongt <hongtao.liu@intel.com>
1979 * config/i386/sse.md (cond_<insn><mode>): New expander.
1980 (VI248_AVX512VLBW): New mode iterator.
1981 * config/i386/predicates.md
1982 (nonimmediate_or_const_vec_dup_operand): New predicate.
1984 2021-08-09 Andrew MacLeod <amacleod@redhat.com>
1986 PR tree-optimization/101741
1987 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Check
1988 type of parameter for toupper/tolower.
1990 2021-08-09 Martin Jambor <mjambor@suse.cz>
1993 * ipa-prop.c (propagate_controlled_uses): Removed a spurious space.
1995 2021-08-09 Pat Haugen <pthaugen@linux.ibm.com>
1997 * config/rs6000/rs6000.c (is_load_insn1): Verify destination is a
1999 (is_store_insn1): Verify source is a register.
2001 2021-08-09 Uroš Bizjak <ubizjak@gmail.com>
2004 * config/i386/mmx.md (<any_logic:code>v2sf3):
2005 Rename from *mmx_<any_logic:code>v2sf3
2007 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2009 * config/nvptx/nvptx.c: Cross-reference parts adapted in
2010 'gcc/omp-oacc-neuter-broadcast.cc'.
2011 * omp-low.c: Likewise.
2012 * omp-oacc-neuter-broadcast.cc: Cross-reference parts adapted from
2015 2021-08-09 Julian Brown <julian@codesourcery.com>
2016 Kwok Cheung Yeung <kcy@codesourcery.com>
2017 Thomas Schwinge <thomas@codesourcery.com>
2019 * config/gcn/gcn.c (gcn_init_builtins): Override decls for
2020 BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START,
2021 BUILT_IN_GOACC_SINGLE_COPY_END and BUILT_IN_GOACC_BARRIER.
2022 (gcn_goacc_validate_dims): Turn on worker partitioning unconditionally.
2023 (gcn_fork_join): Update comment.
2024 * config/gcn/gcn.opt (flag_worker_partitioning): Remove.
2025 (macc_experimental_workers): Remove unused option.
2027 2021-08-09 Julian Brown <julian@codesourcery.com>
2028 Nathan Sidwell <nathan@codesourcery.com> (via 'gcc/config/nvptx/nvptx.c' master)
2029 Kwok Cheung Yeung <kcy@codesourcery.com>
2030 Thomas Schwinge <thomas@codesourcery.com>
2032 * Makefile.in (OBJS): Add omp-oacc-neuter-broadcast.o.
2033 * doc/tm.texi.in (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD):
2034 Add documentation hook.
2035 * doc/tm.texi: Regenerate.
2036 * omp-oacc-neuter-broadcast.cc: New file.
2037 * omp-builtins.def (BUILT_IN_GOACC_BARRIER)
2038 (BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START)
2039 (BUILT_IN_GOACC_SINGLE_COPY_END): New builtins.
2040 * passes.def (pass_omp_oacc_neuter_broadcast): Add pass.
2041 * target.def (goacc.create_worker_broadcast_record): Add target
2043 * tree-pass.h (make_pass_omp_oacc_neuter_broadcast): Add
2045 * config/gcn/gcn-protos.h (gcn_goacc_adjust_propagation_record):
2046 Rename prototype to...
2047 (gcn_goacc_create_worker_broadcast_record): ... this.
2048 * config/gcn/gcn-tree.c (gcn_goacc_adjust_propagation_record): Rename
2050 (gcn_goacc_create_worker_broadcast_record): ... this.
2051 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_PROPAGATION_RECORD):
2053 (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD): ... this.
2055 2021-08-09 Tejas Belagod <tejas.belagod@arm.com>
2058 * config/aarch64/aarch64-simd.md (vlshr<mode>3, vashr<mode>3): Use
2061 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2063 * Makefile.in (GTFILES): Remove '$(srcdir)/omp-offload.c'.
2065 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2067 * builtins.def (DEF_GOACC_BUILTIN, DEF_GOMP_BUILTIN): Don't
2068 consider '-foffload-abi'.
2069 * common.opt (-foffload-abi): Remove 'Var', 'Init'.
2070 * opts.c (common_handle_option) <-foffload-abi> [ACCEL_COMPILER]:
2073 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2075 * optc-gen.awk: Sanity check that 'Init' doesn't appear without
2078 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2080 * omp-builtins.def (BUILT_IN_ACC_GET_DEVICE_TYPE): Remove.
2082 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2084 * doc/gty.texi (Files): Update.
2086 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2088 * doc/gty.texi (Files): Fix GTY header file example.
2090 2021-08-09 Roger Sayle <roger@nextmovesoftware.com>
2092 * tree-ssa-ccp.c (value_mask_to_min_max): Helper function to
2093 determine the upper and lower bounds from a mask-value pair.
2094 (bit_value_unop) [ABS_EXPR, ABSU_EXPR]: Add support for
2095 absolute value and unsigned absolute value expressions.
2096 (bit_value_binop): Initialize *VAL's precision.
2097 [LT_EXPR, LE_EXPR]: Use value_mask_to_min_max to determine
2098 upper and lower bounds of operands. Add LE_EXPR/GE_EXPR
2099 support when the operands are unknown but potentially equal.
2100 [MIN_EXPR, MAX_EXPR]: Support minimum/maximum expressions.
2102 2021-08-09 Bin Cheng <bin.cheng@linux.alibaba.com>
2104 * config/aarch64/aarch64.md
2105 (*extend<SHORT:mode><GPI:mode>2_aarch64): Use %<GPI:w>0.
2107 2021-08-08 Sergei Trofimovich <siarheit@google.com>
2109 * lra-constraints.c: Fix s/otput/output/ typo.
2111 2021-08-06 Martin Sebor <msebor@redhat.com>
2113 * builtins.c (expand_builtin_memchr): Move to gimple-ssa-warn-access.cc.
2114 (expand_builtin_strcat): Same.
2115 (expand_builtin_stpncpy): Same.
2116 (expand_builtin_strncat): Same.
2117 (check_read_access): Same.
2118 (check_memop_access): Same.
2119 (expand_builtin_strlen): Move checks to gimple-ssa-warn-access.cc.
2120 (expand_builtin_strnlen): Same.
2121 (expand_builtin_memcpy): Same.
2122 (expand_builtin_memmove): Same.
2123 (expand_builtin_mempcpy): Same.
2124 (expand_builtin_strcpy): Same.
2125 (expand_builtin_strcpy_args): Same.
2126 (expand_builtin_stpcpy_1): Same.
2127 (expand_builtin_strncpy): Same.
2128 (expand_builtin_memset): Same.
2129 (expand_builtin_bzero): Same.
2130 (expand_builtin_strcmp): Same.
2131 (expand_builtin_strncmp): Same.
2132 (expand_builtin): Remove handlers.
2133 (fold_builtin_strlen): Add a comment.
2134 * builtins.h (check_access): Move to gimple-ssa-warn-access.cc.
2135 * calls.c (maybe_warn_nonstring_arg): Same.
2136 * diagnostic-spec.c (nowarn_spec_t::nowarn_spec_t): Add warning option.
2137 * gimple-fold.c (gimple_fold_builtin_strcpy): Pass argument to callee.
2138 (gimple_fold_builtin_stpcpy): Same.
2139 * gimple-ssa-warn-access.cc (has_location): New function.
2140 (get_location): Same.
2141 (get_callee_fndecl): Same.
2144 (warn_string_no_nul): Define.
2145 (unterminated_array): Same.
2146 (check_nul_terminated_array): Same.
2147 (maybe_warn_nonstring_arg): Same.
2148 (maybe_warn_for_bound): Same.
2149 (warn_for_access): Same.
2150 (check_access): Same.
2151 (check_memop_access): Same.
2152 (check_read_access): Same.
2153 (warn_dealloc_offset): Use helper functions.
2154 (maybe_emit_free_warning): Same.
2155 (class pass_waccess): Add members.
2156 (check_strcat): New function.
2157 (check_strncat): New function.
2158 (check_stxcpy): New function.
2159 (check_stxncpy): New function.
2160 (check_strncmp): New function.
2161 (pass_waccess::check_builtin): New function.
2162 (pass_waccess::check): Call it.
2163 * gimple-ssa-warn-access.h (warn_string_no_nul): Move here from
2165 (maybe_warn_for_bound): Same.
2166 (check_access): Same.
2167 (check_memop_access): Same.
2168 (check_read_access): Same.
2169 * pointer-query.h (struct access_data): Define a ctor overload.
2171 2021-08-06 Richard Biener <rguenther@suse.de>
2173 PR tree-optimization/101801
2174 * tree-vectorizer.h (vect_worthwhile_without_simd_p): Rename...
2175 (vect_can_vectorize_without_simd_p): ... to this.
2176 * tree-vect-loop.c (vect_worthwhile_without_simd_p): Rename...
2177 (vect_can_vectorize_without_simd_p): ... to this and fold
2178 in vect_min_worthwhile_factor.
2179 (vect_min_worthwhile_factor): Remove.
2180 (vectorizable_reduction): Adjust and remove the cost part.
2181 * tree-vect-stmts.c (vectorizable_shift): Likewise.
2182 (vectorizable_operation): Likewise.
2184 2021-08-06 Uroš Bizjak <ubizjak@gmail.com>
2187 * config/i386/i386.md (cmove reg-to-reg move elimination peephole2s):
2188 Add general_gr_operand predicate to operand 3.
2190 2021-08-06 Roger Sayle <roger@nextmovesoftware.com>
2192 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern): Use
2193 CFN_BUILT_IN_CLRSB* instead of BUILT_IN_CLRSB* for consistency.
2195 2021-08-06 Tamar Christina <tamar.christina@arm.com>
2197 * config/aarch64/aarch64-sve-builtins.cc (register_svpattern,
2198 register_svprfop): Pass vec<> by pointer.
2199 * langhooks-def.h (lhd_simulate_enum_decl): Likewise.
2200 * langhooks.c (lhd_simulate_enum_decl): Likewise.
2201 * langhooks.h (struct lang_hooks_for_types): Likewise.
2203 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2205 * config/aarch64/arm_neon.h (vst1_bf16_x2): Use
2206 __builtin_memcpy instead of constructing an additional
2207 __builtin_aarch64_simd_oi one vector at a time.
2208 (vst1q_bf16_x2): Likewise.
2209 (vst1_bf16_x3): Use __builtin_memcpy instead of constructing
2210 an additional __builtin_aarch64_simd_ci one vector at a time.
2211 (vst1q_bf16_x3): Likewise.
2212 (vst1_bf16_x4): Use __builtin_memcpy instead of a union.
2213 (vst1q_bf16_x4): Likewise.
2214 (vst2_bf16): Use __builtin_memcpy instead of constructing an
2215 additional __builtin_aarch64_simd_oi one vector at a time.
2216 (vst2q_bf16): Likewise.
2217 (vst3_bf16): Use __builtin_memcpy instead of constructing an
2218 additional __builtin_aarch64_simd_ci mode one vector at a
2220 (vst3q_bf16): Likewise.
2221 (vst4_bf16): Use __builtin_memcpy instead of constructing an
2222 additional __builtin_aarch64_simd_xi one vector at a time.
2223 (vst4q_bf16): Likewise.
2225 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2227 * config/aarch64/arm_neon.h (__ST2_LANE_FUNC): Delete.
2228 (__ST2Q_LANE_FUNC): Delete.
2229 (vst2_lane_f16): Use __builtin_memcpy to copy vector
2230 structure instead of constructing __builtin_aarch64_simd_oi
2231 one vector at a time.
2232 (vst2_lane_f32): Likewise.
2233 (vst2_lane_f64): Likewise.
2234 (vst2_lane_p8): Likewise.
2235 (vst2_lane_p16): Likewise.
2236 (vst2_lane_p64): Likewise.
2237 (vst2_lane_s8): Likewise.
2238 (vst2_lane_s16): Likewise.
2239 (vst2_lane_s32): Likewise.
2240 (vst2_lane_s64): Likewise.
2241 (vst2_lane_u8): Likewise.
2242 (vst2_lane_u16): Likewise.
2243 (vst2_lane_u32): Likewise.
2244 (vst2_lane_u64): Likewise.
2245 (vst2_lane_bf16): Likewise.
2246 (vst2q_lane_f16): Use __builtin_memcpy to copy vector
2247 structure instead of using a union.
2248 (vst2q_lane_f32): Likewise.
2249 (vst2q_lane_f64): Likewise.
2250 (vst2q_lane_p8): Likewise.
2251 (vst2q_lane_p16): Likewise.
2252 (vst2q_lane_p64): Likewise.
2253 (vst2q_lane_s8): Likewise.
2254 (vst2q_lane_s16): Likewise.
2255 (vst2q_lane_s32): Likewise.
2256 (vst2q_lane_s64): Likewise.
2257 (vst2q_lane_u8): Likewise.
2258 (vst2q_lane_u16): Likewise.
2259 (vst2q_lane_u32): Likewise.
2260 (vst2q_lane_u64): Likewise.
2261 (vst2q_lane_bf16): Likewise.
2263 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2265 * config/aarch64/arm_neon.h (__ST3_LANE_FUNC): Delete.
2266 (__ST3Q_LANE_FUNC): Delete.
2267 (vst3_lane_f16): Use __builtin_memcpy to copy vector
2268 structure instead of constructing __builtin_aarch64_simd_ci
2269 one vector at a time.
2270 (vst3_lane_f32): Likewise.
2271 (vst3_lane_f64): Likewise.
2272 (vst3_lane_p8): Likewise.
2273 (vst3_lane_p16): Likewise.
2274 (vst3_lane_p64): Likewise.
2275 (vst3_lane_s8): Likewise.
2276 (vst3_lane_s16): Likewise.
2277 (vst3_lane_s32): Likewise.
2278 (vst3_lane_s64): Likewise.
2279 (vst3_lane_u8): Likewise.
2280 (vst3_lane_u16): Likewise.
2281 (vst3_lane_u32): Likewise.
2282 (vst3_lane_u64): Likewise.
2283 (vst3_lane_bf16): Likewise.
2284 (vst3q_lane_f16): Use __builtin_memcpy to copy vector
2285 structure instead of using a union.
2286 (vst3q_lane_f32): Likewise.
2287 (vst3q_lane_f64): Likewise.
2288 (vst3q_lane_p8): Likewise.
2289 (vst3q_lane_p16): Likewise.
2290 (vst3q_lane_p64): Likewise.
2291 (vst3q_lane_s8): Likewise.
2292 (vst3q_lane_s16): Likewise.
2293 (vst3q_lane_s32): Likewise.
2294 (vst3q_lane_s64): Likewise.
2295 (vst3q_lane_u8): Likewise.
2296 (vst3q_lane_u16): Likewise.
2297 (vst3q_lane_u32): Likewise.
2298 (vst3q_lane_u64): Likewise.
2299 (vst3q_lane_bf16): Likewise.
2301 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2303 * config/aarch64/arm_neon.h (__ST4_LANE_FUNC): Delete.
2304 (__ST4Q_LANE_FUNC): Delete.
2305 (vst4_lane_f16): Use __builtin_memcpy to copy vector
2306 structure instead of constructing __builtin_aarch64_simd_xi
2307 one vector at a time.
2308 (vst4_lane_f32): Likewise.
2309 (vst4_lane_f64): Likewise.
2310 (vst4_lane_p8): Likewise.
2311 (vst4_lane_p16): Likewise.
2312 (vst4_lane_p64): Likewise.
2313 (vst4_lane_s8): Likewise.
2314 (vst4_lane_s16): Likewise.
2315 (vst4_lane_s32): Likewise.
2316 (vst4_lane_s64): Likewise.
2317 (vst4_lane_u8): Likewise.
2318 (vst4_lane_u16): Likewise.
2319 (vst4_lane_u32): Likewise.
2320 (vst4_lane_u64): Likewise.
2321 (vst4_lane_bf16): Likewise.
2322 (vst4q_lane_f16): Use __builtin_memcpy to copy vector
2323 structure instead of using a union.
2324 (vst4q_lane_f32): Likewise.
2325 (vst4q_lane_f64): Likewise.
2326 (vst4q_lane_p8): Likewise.
2327 (vst4q_lane_p16): Likewise.
2328 (vst4q_lane_p64): Likewise.
2329 (vst4q_lane_s8): Likewise.
2330 (vst4q_lane_s16): Likewise.
2331 (vst4q_lane_s32): Likewise.
2332 (vst4q_lane_s64): Likewise.
2333 (vst4q_lane_u8): Likewise.
2334 (vst4q_lane_u16): Likewise.
2335 (vst4q_lane_u32): Likewise.
2336 (vst4q_lane_u64): Likewise.
2337 (vst4q_lane_bf16): Likewise.
2339 2021-08-06 Martin Liska <mliska@suse.cz>
2341 * config/rs6000/rs6000.c (rs6000_option_override_internal): When
2342 a target option is restored, it can have
2343 rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode
2344 and error should not be emitted.
2346 2021-08-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
2348 * gcov-io.h (gcov_write): Declare.
2349 * gcov-io.c (gcov_write): New.
2350 (gcov_write_counter): Remove.
2351 (gcov_write_tag_length): Likewise.
2352 (gcov_write_summary): Replace gcov_write_tag_length() with calls to
2353 gcov_write_unsigned().
2354 * doc/invoke.texi (fprofile-info-section): Mention
2355 __gcov_info_to_gdca().
2357 2021-08-06 Martin Sebor <msebor@redhat.com>
2359 * dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
2360 arguments to by-reference.
2361 (iterate_fix_dominators): Same.
2362 * dominance.h (iterate_fix_dominators): Same.
2363 * ipa-prop.h: Call auto_vec::to_vec_legacy.
2364 * tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
2365 arguments to by-reference.
2366 (debug_data_dependence_relation): Same.
2367 (dump_data_dependence_relations): Same.
2368 * tree-data-ref.h (debug_data_dependence_relation): Same.
2369 (dump_data_dependence_relations): Same.
2370 * tree-predcom.c (dump_chains): Same.
2371 (initialize_root_vars_lm): Same.
2372 (determine_unroll_factor): Same.
2373 (replace_phis_by_defined_names): Same.
2374 (insert_init_seqs): Same.
2375 (pcom_worker::tree_predictive_commoning_loop): Call
2376 auto_vec::to_vec_legacy.
2377 * tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
2378 arguments to by-reference.
2379 * tree-ssa-threadbackward.c (populate_worklist): Same.
2380 (back_threader::resolve_def): Same.
2381 * tree-vect-data-refs.c (vect_check_nonzero_value): Same.
2382 (vect_enhance_data_refs_alignment): Same.
2383 (vect_check_lower_bound): Same.
2384 (vect_prune_runtime_alias_test_list): Same.
2385 (vect_permute_store_chain): Same.
2386 * tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
2387 * tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
2388 * tree-vectorizer.h (vect_permute_store_chain): Same.
2389 * vec.c (test_init): New function.
2390 (vec_c_tests): Call new function.
2391 * vec.h (vec): Declare ctors, dtor, and assignment.
2392 (auto_vec::vec_to_legacy): New function.
2393 (vec::copy): Adjust initialization.
2395 2021-08-05 H.J. Lu <hjl.tools@gmail.com>
2398 * config/i386/i386.c (ix86_can_inline_p): Ignore MASK_80387 if
2399 callee only uses GPRs.
2400 * config/i386/ia32intrin.h: Revert commit 5463cee2770.
2401 * config/i386/serializeintrin.h: Revert commit 71958f740f1.
2402 * config/i386/x86gprintrin.h: Add
2403 #pragma GCC target("general-regs-only") and #pragma GCC pop_options
2404 to disable non-GPR ISAs.
2406 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
2408 PR middle-end/101787
2409 * doc/md.texi (cond_ashl, cond_ashr, cond_lshr): Document.
2411 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
2413 * tree-vectorizer.h (vect_is_store_elt_extraction, vect_is_reduction)
2414 (vect_reduc_type, vect_embedded_comparison_type, vect_comparison_type)
2415 (vect_is_extending_load, vect_is_integer_truncation): New functions,
2416 moved from aarch64.c but given different names.
2417 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction)
2418 (aarch64_is_reduction, aarch64_reduc_type)
2419 (aarch64_embedded_comparison_type, aarch64_comparison_type)
2420 (aarch64_extending_load_p, aarch64_integer_truncation_p): Delete
2421 in favor of the above. Update callers accordingly.
2423 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
2426 * config/arm/arm-cpus.in (generic-armv7-a): Add quirk to suppress
2427 writing .cpu directive in asm output.
2428 * config/arm/arm.c (arm_identify_fpu_from_isa): New variable.
2429 (arm_last_printed_arch_string): Delete.
2430 (arm_last-printed_fpu_string): Delete.
2431 (arm_configure_build_target): If use of floating-point/SIMD is
2432 disabled, remove all fp/simd related features from the target ISA.
2433 (last_arm_targ_options): New variable.
2434 (arm_print_asm_arch_directives): Add new parameters. Change order
2435 of emitted directives and handle all cases here.
2436 (arm_file_start): Always call arm_print_asm_arch_directives, move
2437 all generation of .arch/.arch_extension here.
2438 (arm_file_end): Call arm_print_asm_arch.
2439 (arm_declare_function_name): Call arm_print_asm_arch_directives
2440 instead of printing .arch/.fpu directives directly.
2442 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
2444 * config/arm/arm.c (arm_configure_build_target): Don't call
2445 arm_option_reconfigure_globals.
2446 (arm_option_restore): Call arm_option_reconfigure_globals after
2447 reconfiguring the target.
2448 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
2450 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
2452 * config/arm/arm.c (arm_configure_build_target): Ensure the target's
2453 arch_name is always set.
2455 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
2457 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
2458 of vec_select high-half from being added into Neon subtract
2461 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
2463 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
2464 of vec_select high-half from being added into Neon add cost.
2466 2021-08-05 Kewen Lin <linkw@linux.ibm.com>
2468 * cfgloop.h (loops_list::loops_list): Add one optional argument
2469 root and adjust accordingly, update loop tree walking and factor
2471 * cfgloop.c (loops_list::walk_loop_tree): ... this. New function.
2473 2021-08-05 Eric Botcazou <ebotcazou@gcc.gnu.org>
2475 PR tree-optimization/101626
2476 * tree-sra.c (propagate_subaccesses_from_rhs): Do not set the
2477 reverse scalar storage order on a pointer or vector component.
2479 2021-08-05 liuhongt <hongtao.liu@intel.com>
2481 * config/i386/sse.md (cond_<code><mode>): New expander.
2483 2021-08-05 liuhongt <hongtao.liu@intel.com>
2485 * config/i386/sse.md (cond_<code><mode>): New expander.
2487 2021-08-05 liuhongt <hongtao.liu@intel.com>
2489 * config/i386/sse.md (cond_<code><mode>): New expander.
2491 2021-08-04 David Malcolm <dmalcolm@redhat.com>
2494 * Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
2496 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
2499 * config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
2500 only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
2502 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
2505 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
2506 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
2507 data with SSE register from one memory location to another.
2509 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2511 * config/s390/s390.c (expand_perm_with_vpdi): New function.
2512 (vectorize_vec_perm_const_1): Call expand_perm_with_vpdi.
2513 * config/s390/vector.md (*vpdi1<mode>, @vpdi1<mode>): Enable a
2514 parameterized expander.
2515 (*vpdi4<mode>, @vpdi4<mode>): Likewise.
2517 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2519 * config/s390/s390.c (MAX_VECT_LEN): Define macro.
2520 (struct expand_vec_perm_d): Define struct.
2521 (expand_perm_with_merge): New function.
2522 (vectorize_vec_perm_const_1): New function.
2523 (s390_vectorize_vec_perm_const): New function.
2524 (TARGET_VECTORIZE_VEC_PERM_CONST): Define target macro.
2526 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2528 * config/s390/vector.md (V_HW_64): Remove mode iterator.
2529 (*vec_load_pair<mode>): Use V_HW_2 instead of V_HW_64.
2530 * config/s390/vx-builtins.md
2531 (vec_scatter_element<V_HW_2:mode>_SI): Use V_HW_2 instead of
2534 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2536 * config/s390/s390.md (UNSPEC_VEC_PERMI): Remove constant
2538 * config/s390/vector.md (*vpdi1<mode>, *vpdi4<mode>): New pattern
2540 * config/s390/vx-builtins.md (*vec_permi<mode>): Emit generic rtx
2541 instead of an unspec.
2543 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
2545 * config/s390/s390-modes.def: Add more vector modes to support
2546 concatenation of two vectors.
2547 * config/s390/s390-protos.h (s390_expand_merge_perm_const): Add
2549 (s390_expand_merge): Likewise.
2550 * config/s390/s390.c (s390_expand_merge_perm_const): New function.
2551 (s390_expand_merge): New function.
2552 * config/s390/s390.md (UNSPEC_VEC_MERGEH, UNSPEC_VEC_MERGEL):
2553 Remove constant definitions.
2554 * config/s390/vector.md (V_HW_2): Add mode iterators.
2555 (VI_HW_4, V_HW_4): Rename VI_HW_4 to V_HW_4.
2556 (vec_2x_nelts, vec_2x_wide): New mode attributes.
2557 (*vmrhb, *vmrlb, *vmrhh, *vmrlh, *vmrhf, *vmrlf, *vmrhg, *vmrlg):
2558 New pattern definitions.
2559 (vec_widen_umult_lo_<mode>, vec_widen_umult_hi_<mode>)
2560 (vec_widen_smult_lo_<mode>, vec_widen_smult_hi_<mode>)
2561 (vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf, vec_unpacks_lo_v2df)
2562 (vec_unpacks_hi_v2df): Adjust expanders to emit non-unspec RTX for
2564 * config/s390/vx-builtins.md (V_HW_4): Remove mode iterator. Now
2566 (vec_mergeh<mode>, vec_mergel<mode>): Use s390_expand_merge to
2567 emit vec merge pattern.
2569 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
2571 * config/aarch64/aarch64.c (aarch64_strip_extend_vec_half):
2573 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent cost of
2574 vec_select high-half from being added into Neon multiply
2576 * rtlanal.c (vec_series_highpart_p): Define.
2577 * rtlanal.h (vec_series_highpart_p): Declare.
2579 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
2581 * config/aarch64/aarch64.c (aarch64_strip_duplicate_vec_elt):
2583 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent
2584 vec_select cost from being added into Neon multiply cost.
2586 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
2588 * tree-vect-loop.c (vect_better_loop_vinfo_p): Detect cases in
2589 which old_loop_vinfo is an epilogue loop that handles a constant
2590 number of iterations.
2592 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
2594 * tree-vect-loop.c (vect_analyze_loop): Print a dump message
2595 when a reanalyzed loop fails to be cheaper than the current
2598 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
2600 * config/aarch64/aarch64.c: Fix a typo.
2602 2021-08-04 Vincent Lefèvre <vincent-gcc@vinc17.net>
2604 PR gcov-profile/101773
2605 * gcov-io.c (gcov_close): Check return code of a fclose.
2607 2021-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
2610 * dwarf2out.c (dwarf2out_assembly_start): Emit a dummy
2611 .file statement when needed.
2613 2021-08-04 Richard Biener <rguenther@suse.de>
2615 * tree-vect-data-refs.c (vect_check_gather_scatter):
2616 Include widening conversions only when the result is
2617 still handed by native gather or the current offset
2618 size not already matches the data size.
2619 Also succeed analysis in case there's no native support,
2620 noted by a IFN_LAST ifn and a NULL decl.
2621 (vect_analyze_data_refs): Always consider gathers.
2622 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
2623 Test for no IFN gather rather than decl gather.
2624 * tree-vect-stmts.c (vect_model_load_cost): Pass in the
2625 gather-scatter info and cost emulated gathers accordingly.
2626 (vect_truncate_gather_scatter_offset): Properly test for
2628 (vect_use_strided_gather_scatters_p): Likewise.
2629 (get_load_store_type): Handle emulated gathers and its
2631 (vectorizable_load): Likewise. Emulate them by extracting
2632 scalar offsets, doing scalar loads and a vector construct.
2634 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
2637 * expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
2638 argument to set m_max_size.
2639 (move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
2640 (store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
2641 (compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
2643 2021-08-04 Roger Sayle <roger@nextmovesoftware.com>
2644 Marc Glisse <marc.glisse@inria.fr>
2646 * match.pd (bit_ior, bit_xor): Canonicalize (X*C1)|(X*C2) and
2647 (X*C1)^(X*C2) as X*(C1+C2), and related variants, using
2648 tree_nonzero_bits to ensure that operands are bit-wise disjoint.
2650 2021-08-04 Richard Biener <rguenther@suse.de>
2652 * tree-ssa-forwprop.c (pass_forwprop::execute): Split
2653 out code to decompose vector loads ...
2654 (optimize_vector_load): ... here. Generalize it to
2655 handle intermediate widening and TARGET_MEM_REF loads
2656 and apply it to loads with a supported vector mode as well.
2658 2021-08-04 Richard Biener <rguenther@suse.de>
2660 PR tree-optimization/101756
2661 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Make sure
2662 the result of the reduction epilogue is compatible to the original
2665 2021-08-04 liuhongt <hongtao.liu@intel.com>
2668 * config/i386/i386.md (peephole2): Refine predicate from
2669 register_operand to general_reg_operand.
2671 2021-08-04 Aldy Hernandez <aldyh@redhat.com>
2673 * gimple-range-path.h (path_range_query::dump): Mark override.
2675 2021-08-04 Richard Biener <rguenther@suse.de>
2677 PR tree-optimization/101769
2678 * tree-tailcall.c (eliminate_tail_call): Add the created loop
2679 for the first recursion and return it via the new output parameter.
2680 (optimize_tail_call): Pass through new output param.
2681 (tree_optimize_tail_calls_1): After creating all latches,
2682 add the created loop to the loop tree. Do not mark loops for fixup.
2684 2021-08-04 Martin Liska <mliska@suse.cz>
2686 * doc/invoke.texi: Document threader-mode param.
2688 2021-08-04 liuhongt <hongtao.liu@intel.com>
2690 * config/i386/sse.md (cond_fma<mode>): New expander.
2691 (cond_fms<mode>): Ditto.
2692 (cond_fnma<mode>): Ditto.
2693 (cond_fnms<mode>): Ditto.
2695 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
2697 * config/rs6000/vsx.md (*vsx_le_perm_store_<mode>): Use && instead of &.
2699 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
2701 * config/rs6000/constraints.md: Remove "e" from the list of available
2702 constraint characters.
2704 2021-08-03 Eugene Rozenfeld <erozen@microsoft.com>
2706 PR gcov-profile/71672
2707 * auto-profile.c (afdo_indirect_call): Fix setup of the historgram value for indirect calls.
2709 2021-08-03 Paul A. Clarke <pc@us.ibm.com>
2711 * config/rs6000/smmintrin.h (_mm_minpos_epu16): New.
2713 2021-08-03 H.J. Lu <hjl.tools@gmail.com>
2715 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): In 64-bit mode,
2716 try XMM31 to avoid vzeroupper.
2718 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
2720 * doc/invoke.texi: Document -mtune=neoverse-512tvb and
2721 -mcpu=neoverse-512tvb.
2722 * config/aarch64/aarch64-cores.def (neoverse-512tvb): New entry.
2723 * config/aarch64/aarch64-tune.md: Regenerate.
2724 * config/aarch64/aarch64.c (neoverse512tvb_sve_vector_cost)
2725 (neoverse512tvb_sve_issue_info, neoverse512tvb_vec_issue_info)
2726 (neoverse512tvb_vector_cost, neoverse512tvb_tunings): New structures.
2727 (aarch64_adjust_body_cost_sve): Handle -mtune=neoverse-512tvb.
2728 (aarch64_adjust_body_cost): Likewise.
2730 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
2732 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Only
2733 record issue information for operations that occur in the
2736 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
2738 * config/aarch64/aarch64.c (aarch64_multiply_add_p): Add a vec_flags
2739 parameter. Detect cases in which an Advanced SIMD MLA would almost
2740 certainly require a MOV.
2741 (aarch64_count_ops): Update accordingly.
2743 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
2745 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction): New
2746 function, split out from...
2747 (aarch64_detect_vector_stmt_subtype): ...here.
2748 (aarch64_add_stmt_cost): Treat extracting element 0 as free.
2750 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
2752 * config/aarch64/aarch64-protos.h (sve_vec_cost):
2753 Add gather_load_x32_cost and gather_load_x64_cost.
2754 * config/aarch64/aarch64.c (generic_sve_vector_cost)
2755 (a64fx_sve_vector_cost, neoversev1_sve_vector_cost): Update
2756 accordingly, using the values given by the scalar_load * number
2757 of elements calculation that we used previously.
2758 (aarch64_detect_vector_stmt_subtype): Use the new fields.
2760 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
2762 * config/aarch64/aarch64.c (aarch64_adjust_body_cost_sve): New
2763 function, split out from...
2764 (aarch64_adjust_body_cost): ...here.
2766 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
2768 * config/aarch64/fractional-cost.h: New file.
2769 * config/aarch64/aarch64.c: Include <algorithm> (indirectly)
2770 and cost_fraction.h.
2771 (vec_cost_fraction): New typedef.
2772 (aarch64_detect_scalar_stmt_subtype): Use it for statement costs.
2773 (aarch64_detect_vector_stmt_subtype): Likewise.
2774 (aarch64_sve_adjust_stmt_cost, aarch64_adjust_stmt_cost): Likewise.
2775 (aarch64_estimate_min_cycles_per_iter): Use vec_cost_fraction
2777 (aarch64_adjust_body_cost): Likewise.
2778 (aarch64_test_cost_fraction): New function.
2779 (aarch64_run_selftests): Call it.
2781 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
2783 * config/aarch64/aarch64-protos.h (tune_params::sve_width): Turn
2785 * config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Update
2787 (aarch64_estimated_poly_value): Likewise. Use the least significant
2788 set bit for the minimum and likely values. Use the most significant
2789 set bit for the maximum value.
2791 2021-08-03 liuhongt <hongtao.liu@intel.com>
2793 * config/i386/sse.md (cond_<insn><mode>): New expander.
2794 (cond_mul<mode>): Ditto.
2796 2021-08-03 Kewen Lin <linkw@linux.ibm.com>
2798 * tree-cfg.c (move_sese_region_to_fn): Fix typos on dloop.
2800 2021-08-03 liuhongt <hongtao.liu@intel.com>
2802 * config/i386/sse.md (cond_<insn><mode>):New expander.
2803 (cond_mul<mode>): Ditto.
2804 (cond_div<mode>): Ditto.
2806 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
2808 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Also
2809 check stack_realign_needed for stack realignment.
2810 (ix86_legitimate_constant_p): Always allow CONST_WIDE_INT smaller
2811 than the largest integer supported by vector register.
2812 * config/i386/i386.h (MAX_MOVE_MAX): New. Set to 64.
2813 (MOVE_MAX): Set to bytes of the largest integer supported by
2815 (STORE_MAX_PIECES): New.
2817 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
2819 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
2820 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
2821 data from one memory location to another.
2823 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
2826 * config/i386/i386.c (TARGET_GEN_MEMSET_SCRATCH_RTX): New.
2828 2021-08-02 Aldy Hernandez <aldyh@redhat.com>
2830 PR tree-optimization/101724
2831 * params.opt: Remove --param=threader-iterative.
2832 * tree-ssa-threadbackward.c (pass_thread_jumps::execute): Remove
2835 2021-08-02 Tom de Vries <tdevries@suse.de>
2837 PR middle-end/101665
2838 * doc/extend.texi (nonnull attribute): Improve documentation.
2840 2021-08-02 Andrew Pinski <apinski@marvell.com>
2842 PR rtl-optimization/101683
2843 * rtlanal.c (may_trap_p_1): Handle UNSIGNED_FIX.
2845 2021-08-02 Roger Sayle <roger@nextmovesoftware.com>
2847 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern):
2848 Renamed from cond_removal_in_popcount_clz_ctz_pattern.
2849 Add support for BSWAP, FFS, PARITY and CLRSB builtins.
2850 (tree_ssa_phiop_worker): Update call to function above.
2852 2021-08-01 H.J. Lu <hjl.tools@gmail.com>
2855 * config/i386/i386.md (bsr_rex64_1_zext): New.
2856 (combine splitter for constant - clzll): Replace gen_bsr_rex64_1
2857 with gen_bsr_rex64_1_zext.
2859 2021-07-31 Jakub Jelinek <jakub@redhat.com>
2862 * config/i386/i386.md (bsr_rex64_1, bsr_1, bsr_zext_1): New
2863 define_insn patterns.
2864 (*bsr_rex64_2, *bsr_2): New define_insn_and_split patterns.
2865 Add combine splitters for constant - clz.
2866 (clz<mode>2): Use a temporary pseudo for bsr result.
2868 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
2870 * config/rs6000/smmintrin.h (_mm_floor_pd, _mm_floor_ps,
2871 _mm_floor_sd, _mm_floor_ss): New.
2873 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
2875 * config/rs6000/smmintrin.h (_mm_ceil_pd, _mm_ceil_ps,
2876 _mm_ceil_sd, _mm_ceil_ss): New.
2878 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
2880 * config/rs6000/smmintrin.h (_mm_blend_pd, _mm_blendv_pd,
2881 _mm_blend_ps, _mm_blendv_ps): New.
2883 2021-07-30 Roger Sayle <roger@nextmovesoftware.com>
2884 Uroš Bizjak <ubizjak@gmail.com>
2886 * config/i386/i386.md (*dec_cmov<mode>): New define_insn_and_split
2887 to generate a conditional move using the carry flag after sub $1.
2888 (peephole2): Eliminate a register-to-register move by inverting
2889 the condition of a conditional move.
2891 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
2893 * config/mmix/mmix.md ("call", "call_value", "*call_real")
2894 ("*call_value_real"): Don't generate rtx mentioning the generic
2895 operands 1 and 2 to "call", and similarly for "call_value".
2896 * config/mmix/mmix.c (mmix_print_operand_punct_valid_p)
2897 (mmix_print_operand): Use '!' instead of 'p'.
2899 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
2901 * doc/md.texi (call): Correct information about operand 2.
2902 * config/mmix/mmix.md ("call", "call_value"): Remove fixed FIXMEs.
2904 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
2906 * range-op.cc (operator_trunc_mod::wi_fold): Fold constants.
2908 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
2910 * range-op.cc (operator_div::wi_fold): Return UNDEFINED for [0, 0] divisor.
2912 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
2914 * gimple-range-cache.cc (*::set_bb_range): Change const basic_block to
2916 (*::get_bb_range): Ditto.
2917 (*::bb_range_p): Ditto.
2918 * gimple-range-cache.h: Change prototypes.
2920 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
2923 * builtins.c (builtin_memcpy_read_str): Change the mode argument
2924 from scalar_int_mode to fixed_size_mode.
2925 (builtin_strncpy_read_str): Likewise.
2926 (gen_memset_value_from_prev): New function.
2927 (builtin_memset_read_str): Change the mode argument from
2928 scalar_int_mode to fixed_size_mode. Use gen_memset_value_from_prev
2929 and support CONST_VECTOR.
2930 (builtin_memset_gen_str): Likewise.
2931 (try_store_by_multiple_pieces): Use by_pieces_constfn to declare
2933 * builtins.h (builtin_strncpy_read_str): Replace scalar_int_mode
2934 with fixed_size_mode.
2935 (builtin_memset_read_str): Likewise.
2936 * expr.c (widest_int_mode_for_size): Renamed to ...
2937 (widest_fixed_size_mode_for_size): Add a bool argument to
2938 indicate if QI vector mode can be used.
2939 (by_pieces_ninsns): Call widest_fixed_size_mode_for_size
2940 instead of widest_int_mode_for_size.
2941 (pieces_addr::adjust): Change the mode argument from
2942 scalar_int_mode to fixed_size_mode.
2943 (op_by_pieces_d): Make m_len read-only. Add a bool member,
2944 m_qi_vector_mode, to indicate that QI vector mode can be used.
2945 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
2946 initialize m_qi_vector_mode. Call widest_fixed_size_mode_for_size
2947 instead of widest_int_mode_for_size.
2948 (op_by_pieces_d::get_usable_mode): Change the mode argument from
2949 scalar_int_mode to fixed_size_mode. Call
2950 widest_fixed_size_mode_for_size instead of
2951 widest_int_mode_for_size.
2952 (op_by_pieces_d::smallest_fixed_size_mode_for_size): New member
2953 function to return the smallest integer or QI vector mode.
2954 (op_by_pieces_d::run): Call widest_fixed_size_mode_for_size
2955 instead of widest_int_mode_for_size. Call
2956 smallest_fixed_size_mode_for_size instead of
2957 smallest_int_mode_for_size.
2958 (store_by_pieces_d::store_by_pieces_d): Add a bool argument to
2959 indicate that QI vector mode can be used and pass it to
2960 op_by_pieces_d::op_by_pieces_d.
2961 (can_store_by_pieces): Call widest_fixed_size_mode_for_size
2962 instead of widest_int_mode_for_size. Pass memsetp to
2963 widest_fixed_size_mode_for_size to support QI vector mode.
2964 Allow all CONST_VECTORs for memset if vec_duplicate is supported.
2965 (store_by_pieces): Pass memsetp to
2966 store_by_pieces_d::store_by_pieces_d.
2967 (clear_by_pieces_1): Removed.
2968 (clear_by_pieces): Replace clear_by_pieces_1 with
2969 builtin_memset_read_str and pass true to store_by_pieces_d to
2970 support vector mode broadcast.
2971 (string_cst_read_str): Change the mode argument from
2972 scalar_int_mode to fixed_size_mode.
2973 * expr.h (by_pieces_constfn): Change scalar_int_mode to
2975 (by_pieces_prev): Likewise.
2976 * rtl.h (lowpart_subreg_regno): New.
2977 * rtlanal.c (lowpart_subreg_regno): New. A wrapper around
2978 simplify_subreg_regno.
2979 * target.def (gen_memset_scratch_rtx): New hook.
2980 * doc/tm.texi.in: Add TARGET_GEN_MEMSET_SCRATCH_RTX.
2981 * doc/tm.texi: Regenerated.
2983 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
2986 * config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
2987 TARGET_EXPR instead of MODIFY_EXPR.
2989 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
2992 * config/mips/mips-protos.h (mips_expand_vec_cmp_expr): Declare.
2993 * config/mips/mips.c (mips_expand_vec_cmp_expr): New function.
2994 * config/mips/mips-msa.md (vec_cmp<MSA:mode><mode_i>): New
2996 (vec_cmpu<IMSA:mode><mode_i>): New expander.
2998 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
3001 * config/i386/i386-options.c (ix86_option_override_internal):
3002 Don't enable LZCNT/POPCNT if they have been disabled explicitly.
3004 2021-07-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
3007 * config/arm/arm_neon.h (vld1_p64): Replace call to builtin by
3008 explicitly dereferencing __a.
3009 (vld1_s64): Likewise.
3010 (vld1_u64): Likewise.
3011 * config/arm/arm_neon_builtins.def (vld1): Remove entry for di
3012 and change to VAR13.
3014 2021-07-30 Aldy Hernandez <aldyh@redhat.com>
3016 * gimple-loop-versioning.cc (lv_dom_walker::lv_dom_walker): Remove
3017 use of m_range_analyzer.
3018 (loop_versioning::lv_dom_walker::before_dom_children): Same.
3019 (loop_versioning::lv_dom_walker::after_dom_children): Remove.
3020 (loop_versioning::prune_loop_conditions): Replace vr_values use
3021 with range_query interface.
3022 (pass_loop_versioning::execute): Use ranger.
3024 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
3027 * ipa-devirt.c (ipa_odr_read_section): Compare the precision of
3028 enum values, and emit a warning if they mismatch.
3030 2021-07-30 Kewen Lin <linkw@linux.ibm.com>
3032 * cfgloop.h (as_const): New function.
3033 (class loop_iterator): Rename to ...
3034 (class loops_list): ... this.
3035 (loop_iterator::next): Rename to ...
3036 (loops_list::Iter::fill_curr_loop): ... this and adjust.
3037 (loop_iterator::loop_iterator): Rename to ...
3038 (loops_list::loops_list): ... this and adjust.
3039 (loops_list::Iter): New class.
3040 (loops_list::iterator): New type.
3041 (loops_list::const_iterator): New type.
3042 (loops_list::begin): New function.
3043 (loops_list::end): Likewise.
3044 (loops_list::begin const): Likewise.
3045 (loops_list::end const): Likewise.
3046 (FOR_EACH_LOOP): Remove.
3047 (FOR_EACH_LOOP_FN): Remove.
3048 * cfgloop.c (flow_loops_dump): Adjust FOR_EACH_LOOP* with range-based
3049 for loop with loops_list instance.
3050 (sort_sibling_loops): Likewise.
3051 (disambiguate_loops_with_multiple_latches): Likewise.
3052 (verify_loop_structure): Likewise.
3053 * cfgloopmanip.c (create_preheaders): Likewise.
3054 (force_single_succ_latches): Likewise.
3055 * config/aarch64/falkor-tag-collision-avoidance.c
3056 (execute_tag_collision_avoidance): Likewise.
3057 * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Likewise.
3058 * config/s390/s390.c (s390_adjust_loops): Likewise.
3059 * doc/loop.texi: Likewise.
3060 * gimple-loop-interchange.cc (pass_linterchange::execute): Likewise.
3061 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
3062 * gimple-loop-versioning.cc (loop_versioning::analyze_blocks): Likewise.
3063 (loop_versioning::make_versioning_decisions): Likewise.
3064 * gimple-ssa-split-paths.c (split_paths): Likewise.
3065 * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise.
3066 * graphite.c (canonicalize_loop_form): Likewise.
3067 (graphite_transform_loops): Likewise.
3068 * ipa-fnsummary.c (analyze_function_body): Likewise.
3069 * ipa-pure-const.c (analyze_function): Likewise.
3070 * loop-doloop.c (doloop_optimize_loops): Likewise.
3071 * loop-init.c (loop_optimizer_finalize): Likewise.
3072 (fix_loop_structure): Likewise.
3073 * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
3074 (move_loop_invariants): Likewise.
3075 * loop-unroll.c (decide_unrolling): Likewise.
3076 (unroll_loops): Likewise.
3077 * modulo-sched.c (sms_schedule): Likewise.
3078 * predict.c (predict_loops): Likewise.
3079 (pass_profile::execute): Likewise.
3080 * profile.c (branch_prob): Likewise.
3081 * sel-sched-ir.c (sel_finish_pipelining): Likewise.
3082 (sel_find_rgns): Likewise.
3083 * tree-cfg.c (replace_loop_annotate): Likewise.
3084 (replace_uses_by): Likewise.
3085 (move_sese_region_to_fn): Likewise.
3086 * tree-if-conv.c (pass_if_conversion::execute): Likewise.
3087 * tree-loop-distribution.c (loop_distribution::execute): Likewise.
3088 * tree-parloops.c (parallelize_loops): Likewise.
3089 * tree-predcom.c (tree_predictive_commoning): Likewise.
3090 * tree-scalar-evolution.c (scev_initialize): Likewise.
3091 (scev_reset): Likewise.
3092 * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
3093 * tree-ssa-live.c (remove_unused_locals): Likewise.
3094 * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
3095 * tree-ssa-loop-im.c (analyze_memory_references): Likewise.
3096 (tree_ssa_lim_initialize): Likewise.
3097 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
3098 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Likewise.
3099 * tree-ssa-loop-manip.c (get_loops_exits): Likewise.
3100 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Likewise.
3101 (free_numbers_of_iterations_estimates): Likewise.
3102 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3103 * tree-ssa-loop-split.c (tree_ssa_split_loops): Likewise.
3104 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Likewise.
3105 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3106 (pass_scev_cprop::execute): Likewise.
3107 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
3108 * tree-ssa-sccvn.c (do_rpo_vn): Likewise.
3109 * tree-ssa-threadupdate.c
3110 (jump_thread_path_registry::thread_through_all_blocks): Likewise.
3111 * tree-vectorizer.c (vectorize_loops): Likewise.
3112 * tree-vrp.c (vrp_asserts::find_assert_locations): Likewise.
3114 2021-07-29 Hans-Peter Nilsson <hp@bitrange.com>
3116 * config/mmix/mmix.c (mmix_function_arg_1): Avoid
3117 generating a VOIDmode register for e.g the
3118 function_arg_info::end_marker.
3120 2021-07-29 Jeff Law <jeffreyalaw@gmail.com>
3122 * config/h8300/h8300-modes.def: Add CCZ, CCV and CCC, drop CCZNV.
3123 * config/h8300/h8300.md (H8cc mode iterator): Add CCZ.
3124 (cc mode_attr): Similarly.
3125 (ccz subst_attr): Similarly.
3126 * config/h8300/jumpcall.md: Add new patterns for branch-on-bit.
3127 * config/h8300/testcompare.md: Remove various cc0 based patterns
3128 that had been commented out. Add pattern to set CCZ from a bit
3131 2021-07-29 Thomas Schwinge <thomas@codesourcery.com>
3132 Julian Brown <julian@codesourcery.com>
3133 Kwok Cheung Yeung <kcy@codesourcery.com>
3135 * omp-offload.c (oacc_loop_xform_head_tail, oacc_loop_process):
3136 'update_stmt' after modification.
3137 (pass_oacc_loop_designation): New function, extracted out of...
3138 (pass_oacc_device_lower): ... this.
3139 (pass_data_oacc_loop_designation, pass_oacc_loop_designation)
3140 (make_pass_oacc_loop_designation): New
3141 * passes.def: Add it.
3142 * tree-parloops.c (create_parallel_loop): Adjust.
3143 * tree-pass.h (make_pass_oacc_loop_designation): New.
3145 2021-07-29 Aldy Hernandez <aldyh@redhat.com>
3147 * flag-types.h (enum threader_mode): New.
3148 * params.opt: Add entry for --param=threader-mode.
3149 * tree-ssa-threadbackward.c (THREADER_ITERATIVE_MODE): New.
3150 (class back_threader): New.
3151 (back_threader::back_threader): New.
3152 (back_threader::~back_threader): New.
3153 (back_threader::maybe_register_path): New.
3154 (back_threader::find_taken_edge): New.
3155 (back_threader::find_taken_edge_switch): New.
3156 (back_threader::find_taken_edge_cond): New.
3157 (back_threader::resolve_def): New.
3158 (back_threader::resolve_phi): New.
3159 (back_threader::find_paths_to_names): New.
3160 (back_threader::find_paths): New.
3163 (thread_jumps::find_jump_threads_backwards): Call ranger threader.
3164 (thread_jumps::find_jump_threads_backwards_with_ranger): New.
3165 (pass_thread_jumps::execute): Abstract out code...
3166 (try_thread_blocks): ...here.
3167 * tree-ssa-threadedge.c (jump_threader::thread_outgoing_edges):
3168 Abstract out threading candidate code to...
3169 (single_succ_to_potentially_threadable_block): ...here.
3170 * tree-ssa-threadedge.h (single_succ_to_potentially_threadable_block):
3172 * tree-ssa-threadupdate.c (register_jump_thread): Return boolean.
3173 * tree-ssa-threadupdate.h (class jump_thread_path_registry):
3174 Return bool from register_jump_thread.
3176 2021-07-29 Andreas Krebbel <krebbel@linux.ibm.com>
3178 * target.def: in0 and in1 do not need to be registers.
3179 * doc/tm.texi: Regenerate.
3181 2021-07-29 liuhongt <hongtao.liu@intel.com>
3184 * config/i386/i386.c (ix86_widen_mult_cost): New function.
3185 (ix86_add_stmt_cost): Use ix86_widen_mult_cost for
3188 2021-07-29 Jiufu Guo <guojiufu@linux.ibm.com>
3191 * config/rs6000/rs6000.c (TARGET_PREFERRED_DOLOOP_MODE): New hook.
3192 (rs6000_preferred_doloop_mode): New hook.
3193 * doc/tm.texi: Regenerate.
3194 * doc/tm.texi.in: Add hook preferred_doloop_mode.
3195 * target.def (preferred_doloop_mode): New hook.
3196 * targhooks.c (default_preferred_doloop_mode): New hook.
3197 * targhooks.h (default_preferred_doloop_mode): New hook.
3198 * tree-ssa-loop-ivopts.c (compute_doloop_base_on_mode): New function.
3199 (add_iv_candidate_for_doloop): Call targetm.preferred_doloop_mode
3200 and compute_doloop_base_on_mode.
3202 2021-07-28 Martin Sebor <msebor@redhat.com>
3204 PR middle-end/101494
3205 * tree-ssa-uninit.c (maybe_warn_operand): Correct object offset
3206 and size computation.
3208 2021-07-28 Martin Sebor <msebor@redhat.com>
3210 PR middle-end/101601
3211 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Remove
3213 Handle pointers to functions.
3215 2021-07-28 Martin Sebor <msebor@redhat.com>
3217 * Makefile.in (OBJS): Add gimple-ssa-warn-access.o and pointer-query.o.
3218 * attribs.h (fndecl_dealloc_argno): Move fndecl_dealloc_argno to tree.h.
3219 * builtins.c (compute_objsize_r): Move to pointer-query.cc.
3220 (access_ref::access_ref): Same.
3221 (access_ref::phi): Same.
3222 (access_ref::get_ref): Same.
3223 (access_ref::size_remaining): Same.
3224 (access_ref::offset_in_range): Same.
3225 (access_ref::add_offset): Same.
3226 (access_ref::inform_access): Same.
3227 (ssa_name_limit_t::visit_phi): Same.
3228 (ssa_name_limit_t::leave_phi): Same.
3229 (ssa_name_limit_t::next): Same.
3230 (ssa_name_limit_t::next_phi): Same.
3231 (ssa_name_limit_t::~ssa_name_limit_t): Same.
3232 (pointer_query::pointer_query): Same.
3233 (pointer_query::get_ref): Same.
3234 (pointer_query::put_ref): Same.
3235 (pointer_query::flush_cache): Same.
3236 (warn_string_no_nul): Move to gimple-ssa-warn-access.cc.
3237 (check_nul_terminated_array): Same.
3238 (unterminated_array): Same.
3239 (maybe_warn_for_bound): Same.
3240 (check_read_access): Same.
3241 (warn_for_access): Same.
3242 (get_size_range): Same.
3243 (check_access): Same.
3244 (gimple_call_alloc_size): Move to tree.c.
3245 (gimple_parm_array_size): Move to pointer-query.cc.
3246 (get_offset_range): Same.
3247 (gimple_call_return_array): Same.
3248 (handle_min_max_size): Same.
3249 (handle_array_ref): Same.
3250 (handle_mem_ref): Same.
3251 (compute_objsize): Same.
3252 (gimple_call_alloc_p): Move to gimple-ssa-warn-access.cc.
3253 (call_dealloc_argno): Same.
3254 (fndecl_dealloc_argno): Same.
3255 (new_delete_mismatch_p): Same.
3256 (matching_alloc_calls_p): Same.
3257 (warn_dealloc_offset): Same.
3258 (maybe_emit_free_warning): Same.
3259 * builtins.h (check_nul_terminated_array): Move to
3260 gimple-ssa-warn-access.h.
3261 (check_nul_terminated_array): Same.
3262 (warn_string_no_nul): Same.
3263 (unterminated_array): Same.
3264 (class ssa_name_limit_t): Same.
3265 (class pointer_query): Same.
3266 (struct access_ref): Same.
3267 (class range_query): Same.
3268 (struct access_data): Same.
3269 (gimple_call_alloc_size): Same.
3270 (gimple_parm_array_size): Same.
3271 (compute_objsize): Same.
3272 (class access_data): Same.
3273 (maybe_emit_free_warning): Same.
3274 * calls.c (initialize_argument_information): Remove call to
3275 maybe_emit_free_warning.
3276 * gimple-array-bounds.cc: Include new header..
3277 * gimple-fold.c: Same.
3278 * gimple-ssa-sprintf.c: Same.
3279 * gimple-ssa-warn-restrict.c: Same.
3280 * passes.def: Add pass_warn_access.
3281 * tree-pass.h (make_pass_warn_access): Declare.
3282 * tree-ssa-strlen.c: Include new headers.
3283 * tree.c (fndecl_dealloc_argno): Move here from builtins.c.
3284 * tree.h (fndecl_dealloc_argno): Move here from attribs.h.
3285 * gimple-ssa-warn-access.cc: New file.
3286 * gimple-ssa-warn-access.h: New file.
3287 * pointer-query.cc: New file.
3288 * pointer-query.h: New file.
3290 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3292 PR middle-end/101624
3293 * ubsan.c (maybe_instrument_pointer_overflow,
3294 instrument_object_size): Only test DECL_REGISTER on VAR_DECLs,
3295 PARM_DECLs or RESULT_DECLs.
3296 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Likewise.
3298 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3300 PR middle-end/101642
3301 * match.pd (bswap16 (x) == bswap16 (y)): Cast both operands
3302 to type of bswap16 for comparison.
3303 (bswap16 (x) == cst): Cast bswap16 operand to type of cst.
3305 2021-07-28 Richard Biener <rguenther@suse.de>
3307 PR tree-optimization/101615
3308 * tree-vect-slp.c (vect_optimize_slp): Materialize permutes
3309 at CTOR SLP graph entries.
3311 2021-07-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3313 * config/aarch64/aarch64.md (*extend<SHORT:mode><GPI:mode>2_aarch64):
3314 Add "r,w" alternative.
3316 2021-07-28 H.J. Lu <hjl.tools@gmail.com>
3319 * config/i386/i386.c (ix86_avx_u128_mode_needed): Don't set
3320 AVX_U128_DIRTY when all bits are zero.
3322 2021-07-28 Richard Biener <rguenther@suse.de>
3324 PR tree-optimization/101615
3325 * tree-vect-slp.c (vect_optimize_slp): Pre-existing vector
3326 external nodes cannot be permuted so make them perm_out 0.
3328 2021-07-28 Andrew Stubbs <ams@codesourcery.com>
3331 * config.in: Regenerate.
3332 * config/gcn/gcn-hsa.h (A_FIJI): New define.
3333 (A_900): New define.
3334 (A_906): New define.
3335 (A_908): New define.
3336 (ASM_SPEC): Use A_FIJI, A_900, A_906 and A_908.
3337 * config/gcn/gcn.c (output_file_start): Adjust attributes according
3338 to the assembler capabilities.
3339 * config/gcn/mkoffload.c (main): Likewise.
3340 * configure: Regenerate.
3341 * configure.ac: Add tests for LLVM assembler attribute features.
3343 2021-07-28 Andrew MacLeod <amacleod@redhat.com>
3345 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Check for
3346 cond_false and cond_true on branches.
3348 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
3350 * config/aarch64/aarch64.c (aarch64_gen_adjusted_ldpstp): use
3353 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
3355 * alias.c (init_alias_analysis): Don't skip prologue/epilogue.
3357 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3360 * config/i386/sse.md (vashr<mode>3): Split into vashrv8di3 expander
3361 and vashrv4di3 expander, where the latter requires just TARGET_AVX2
3362 and has special !TARGET_AVX512VL expansion.
3363 (vashrv2di3<mask_name>): Rename to ...
3364 (vashrv2di3): ... this. Change condition to TARGET_XOP || TARGET_AVX2
3365 and add special !TARGET_XOP && !TARGET_AVX512VL expansion.
3367 2021-07-28 Martin Uecker <muecker@gwdg.de>
3369 * calls.c (maybe_warn_rdwr_sizes): Correct argument
3370 numbers in warning that were switched.
3372 2021-07-28 Kewen Lin <linkw@linux.ibm.com>
3374 PR tree-optimization/101596
3375 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Fix wrong check
3376 by using new_type's precision instead.
3378 2021-07-28 liuhongt <hongtao.liu@intel.com>
3381 * config/i386/i386.h (processor_costs): Add new member
3383 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
3384 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
3385 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
3386 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
3387 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
3388 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
3389 generic_cost, core_cost): Initialize integer_to_sse same value
3391 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
3392 * config/i386/i386.c (ix86_builtin_vectorization_cost):
3393 Use integer_to_sse instead of sse_op to calculate the cost of
3396 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3398 * config/rs6000/rs6000-gen-builtins.c (write_ovld_static_init): New
3400 (write_init_file): Call write_ovld_static_init.
3402 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3404 * config/rs6000/rs6000-gen-builtins.c (write_bif_static_init): New
3406 (write_init_file): Call write_bif_static_init.
3408 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3410 * config/rs6000/rs6000-gen-builtins.c (typemap): New struct.
3411 (TYPE_MAP_SIZE): New macro.
3412 (type_map): New initialized variable.
3413 (typemap_cmp): New function.
3414 (write_type_node): Likewise.
3415 (write_fntype_init): Implement.
3417 2021-07-27 Martin Sebor <msebor@redhat.com>
3419 PR tree-optimization/101584
3420 * tree-ssa-uninit.c (builtin_call_nomodifying_p): New function.
3421 (check_defs): Call it.
3423 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
3425 * tree-ssa-dom.c (dom_jump_threader_simplifier):
3426 Put avail_exprs_stack in the class, instead of passing it to
3427 jump_threader_simplifier.
3428 (dom_jump_threader_simplifier::simplify): Add state argument.
3429 (dom_opt_dom_walker): Add state.
3430 (pass_dominator::execute): Pass state to threader.
3431 (dom_opt_dom_walker::before_dom_children): Use state.
3432 * tree-ssa-threadedge.c (jump_threader::jump_threader): Replace
3434 (jump_threader::record_temporary_equivalences_from_phis):
3435 Register equivalences through the state variable.
3436 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
3437 Record ranges in a statement through the state variable.
3438 (jump_threader::simplify_control_stmt_condition): Pass state to
3440 (jump_threader::simplify_control_stmt_condition_1): Same.
3441 (jump_threader::thread_around_empty_blocks): Remove obsolete
3443 (jump_threader::thread_through_normal_block): Record equivalences
3444 on edge through the state variable.
3445 (jump_threader::thread_across_edge): Abstract state pushing.
3446 (jt_state::jt_state): New.
3447 (jt_state::push): New.
3448 (jt_state::pop): New.
3449 (jt_state::register_equiv): New.
3450 (jt_state::record_ranges_from_stmt): New.
3451 (jt_state::register_equivs_on_edge): New.
3452 (jump_threader_simplifier::jump_threader_simplifier): Move from
3454 (jump_threader_simplifier::simplify): Add state argument.
3455 * tree-ssa-threadedge.h (class jt_state): New.
3456 (class jump_threader): Add state to constructor.
3457 (class jump_threader_simplifier): Add state to simplify. Remove
3458 avail_exprs_stack from class.
3459 * tree-vrp.c (vrp_jump_threader_simplifier::simplify): Add state
3461 (vrp_jump_threader::vrp_jump_threader): Add state.
3462 (vrp_jump_threader::~vrp_jump_threader): Cleanup state.
3464 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
3466 * Makefile.in (OBJS): Add gimple-range-path.o.
3467 * gimple-range-path.cc: New file.
3468 * gimple-range-path.h: New file.
3470 2021-07-27 Jonathan Wright <jonathan.wright@arm.com>
3472 * config/aarch64/aarch64-simd.md: Push sign/zero-extension
3473 inside vec_duplicate for all patterns.
3474 * simplify-rtx.c (simplify_context::simplify_unary_operation_1):
3475 Push sign/zero-extension inside vec_duplicate.
3477 2021-07-27 Richard Biener <rguenther@suse.de>
3479 PR tree-optimization/101573
3480 * tree-ssa-uninit.c (warn_uninit_phi_uses): New function
3481 looking at uninitialized PHI arg defs in some constrained cases.
3482 (warn_uninitialized_vars): Call it.
3483 (execute_early_warn_uninitialized): Calculate dominators.
3485 2021-07-27 Richard Biener <rguenther@suse.de>
3487 PR tree-optimization/39821
3488 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): Use
3489 vector_stmt for widening arithmetic.
3490 (vectorizable_conversion): Adjust.
3492 2021-07-27 Martin Jambor <mjambor@suse.cz>
3494 * cgraph.h (ipa_replace_map): New field force_load_ref.
3495 * ipa-prop.h (ipa_param_descriptor): Reduce precision of move_cost,
3496 aded new flag load_dereferenced, adjusted comments.
3497 (ipa_get_param_dereferenced): New function.
3498 (ipa_set_param_dereferenced): Likewise.
3499 * cgraphclones.c (cgraph_node::create_virtual_clone): Follow it.
3500 * ipa-cp.c: Include gimple.h.
3501 (ipcp_discover_new_direct_edges): Take into account dereferenced flag.
3502 (get_replacement_map): New parameter force_load_ref, set the
3503 appropriate flag in ipa_replace_map if set.
3504 (struct symbol_and_index_together): New type.
3505 (adjust_refs_in_act_callers): New function.
3506 (adjust_references_in_caller): Likewise.
3507 (create_specialized_node): When appropriate, call
3508 adjust_references_in_caller and force only load references.
3509 * ipa-prop.c (load_from_dereferenced_name): New function.
3510 (ipa_analyze_controlled_uses): Also detect loads from a
3511 dereference, harden testing of call statements.
3512 (ipa_write_node_info): Stream the dereferenced flag.
3513 (ipa_read_node_info): Likewise.
3514 (ipa_set_jf_constant): Also create refdesc when jump function
3515 references a variable.
3516 (cgraph_node_for_jfunc): Rename to symtab_node_for_jfunc, work
3517 also on references of variables and return a symtab_node. Adjust
3519 (propagate_controlled_uses): Also remove references to VAR_DECLs.
3521 2021-07-27 Jakub Jelinek <jakub@redhat.com>
3523 PR middle-end/101586
3524 * gimple-fold.c (clear_padding_type): Ignore FIELD_DECLs with byte
3525 positions above or equal to sz except for diagnostics of flexible
3528 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
3530 PR tree-optimization/78888
3531 * gimple-range-fold.cc (get_letter_range): New.
3532 (fold_using_range::range_of_builtin_call): Call get_letter_range.
3534 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
3536 PR tree-optimization/78888
3537 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Add cases
3538 for CFN_BUILT_IN_TOUPPER and CFN_BUILT_IN_TOLOWER.
3540 2021-07-26 Roger Sayle <roger@nextmovesoftware.com>
3541 Marc Glisse <marc.glisse@inria.fr>
3543 * match.pd (rotate): Simplify equality/inequality of rotations.
3544 (bswap): Simplify equality/inequality tests of byte swapping.
3546 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
3548 * range-op.cc (operator_bitwise_xor::op1_op2_relation_effect):
3551 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
3553 * range-op.cc (operator_lshift::fold_range): Pass rel to
3554 base class fold_range.
3555 (operator_rshift::fold_range): Same.
3557 2021-07-26 Ashimida <ashimida@linux.alibaba.com>
3560 * toplev.h (min_align_loops_log): Remove declaration.
3561 (min_align_jumps_log, min_align_labels_log): Likewise.
3562 (min_align_functions_log): Likewise.
3564 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
3566 * tree-vrp.c (vrp_simplify_cond_using_ranges): Rename vr_values
3568 (execute_vrp): Abstract out simplification of conditionals...
3569 (simplify_casted_conds): ...here.
3571 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
3573 * gimple-array-bounds.cc (array_bounds_checker::get_value_range):
3574 Add gimple argument.
3575 (array_bounds_checker::check_array_ref): Same.
3576 (array_bounds_checker::check_addr_expr): Same.
3577 (array_bounds_checker::check_array_bounds): Pass statement to
3578 check_array_bounds and check_addr_expr.
3579 * gimple-array-bounds.h (check_array_bounds): Add gimple argument.
3580 (check_addr_expr): Same.
3581 (get_value_range): Same.
3583 2021-07-26 Tamar Christina <tamar.christina@arm.com>
3585 * config/aarch64/aarch64-simd-builtins.def (sdot, udot): Rename to..
3586 (sdot_prod, udot_prod): ... This.
3587 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>): Merged
3589 (<sur>dot_prod<vsi2qi>): ... this.
3590 (aarch64_<sur>dot_lane<vsi2qi>, aarch64_<sur>dot_laneq<vsi2qi>):
3591 Change operands order.
3592 (<sur>sadv16qi): Use new operands order.
3593 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32,
3594 vdotq_s32): Use new RTL ordering.
3596 2021-07-26 Tamar Christina <tamar.christina@arm.com>
3598 * config/aarch64/aarch64-builtins.c (TYPES_TERNOP_SUSS,
3599 aarch64_types_ternop_suss_qualifiers): New.
3600 * config/aarch64/aarch64-simd-builtins.def (usdot_prod): Use it.
3601 * config/aarch64/aarch64-simd.md (usdot_prod<vsi2qi>): Re-organize RTL.
3602 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Use it.
3604 2021-07-23 Jakub Jelinek <jakub@redhat.com>
3606 PR rtl-optimization/101562
3607 * expmed.c (store_integral_bit_field): Only use movstrict_optab
3608 if the operand isn't paradoxical.
3610 2021-07-23 Aldy Hernandez <aldyh@redhat.com>
3612 * gimple-array-bounds.h (class array_bounds_checker): Change
3613 ranges type to range_query.
3615 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3617 * config/aarch64/arm_neon.h (vst1_s64_x2): Use
3618 __builtin_memcpy instead of constructing
3619 __builtin_aarch64_simd_oi one vector at a time.
3620 (vst1_u64_x2): Likewise.
3621 (vst1_f64_x2): Likewise.
3622 (vst1_s8_x2): Likewise.
3623 (vst1_p8_x2): Likewise.
3624 (vst1_s16_x2): Likewise.
3625 (vst1_p16_x2): Likewise.
3626 (vst1_s32_x2): Likewise.
3627 (vst1_u8_x2): Likewise.
3628 (vst1_u16_x2): Likewise.
3629 (vst1_u32_x2): Likewise.
3630 (vst1_f16_x2): Likewise.
3631 (vst1_f32_x2): Likewise.
3632 (vst1_p64_x2): Likewise.
3633 (vst1q_s8_x2): Likewise.
3634 (vst1q_p8_x2): Likewise.
3635 (vst1q_s16_x2): Likewise.
3636 (vst1q_p16_x2): Likewise.
3637 (vst1q_s32_x2): Likewise.
3638 (vst1q_s64_x2): Likewise.
3639 (vst1q_u8_x2): Likewise.
3640 (vst1q_u16_x2): Likewise.
3641 (vst1q_u32_x2): Likewise.
3642 (vst1q_u64_x2): Likewise.
3643 (vst1q_f16_x2): Likewise.
3644 (vst1q_f32_x2): Likewise.
3645 (vst1q_f64_x2): Likewise.
3646 (vst1q_p64_x2): Likewise.
3648 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3650 * config/aarch64/arm_neon.h (vst1_s64_x3): Use
3651 __builtin_memcpy instead of constructing
3652 __builtin_aarch64_simd_ci one vector at a time.
3653 (vst1_u64_x3): Likewise.
3654 (vst1_f64_x3): Likewise.
3655 (vst1_s8_x3): Likewise.
3656 (vst1_p8_x3): Likewise.
3657 (vst1_s16_x3): Likewise.
3658 (vst1_p16_x3): Likewise.
3659 (vst1_s32_x3): Likewise.
3660 (vst1_u8_x3): Likewise.
3661 (vst1_u16_x3): Likewise.
3662 (vst1_u32_x3): Likewise.
3663 (vst1_f16_x3): Likewise.
3664 (vst1_f32_x3): Likewise.
3665 (vst1_p64_x3): Likewise.
3666 (vst1q_s8_x3): Likewise.
3667 (vst1q_p8_x3): Likewise.
3668 (vst1q_s16_x3): Likewise.
3669 (vst1q_p16_x3): Likewise.
3670 (vst1q_s32_x3): Likewise.
3671 (vst1q_s64_x3): Likewise.
3672 (vst1q_u8_x3): Likewise.
3673 (vst1q_u16_x3): Likewise.
3674 (vst1q_u32_x3): Likewise.
3675 (vst1q_u64_x3): Likewise.
3676 (vst1q_f16_x3): Likewise.
3677 (vst1q_f32_x3): Likewise.
3678 (vst1q_f64_x3): Likewise.
3679 (vst1q_p64_x3): Likewise.
3681 2021-07-23 H.J. Lu <hjl.tools@gmail.com>
3684 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): Don't return
3685 hard register when LRA is in progress.
3687 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3689 * config/aarch64/arm_neon.h (vst1_s8_x4): Use
3690 __builtin_memcpy instead of using a union.
3691 (vst1q_s8_x4): Likewise.
3692 (vst1_s16_x4): Likewise.
3693 (vst1q_s16_x4): Likewise.
3694 (vst1_s32_x4): Likewise.
3695 (vst1q_s32_x4): Likewise.
3696 (vst1_u8_x4): Likewise.
3697 (vst1q_u8_x4): Likewise.
3698 (vst1_u16_x4): Likewise.
3699 (vst1q_u16_x4): Likewise.
3700 (vst1_u32_x4): Likewise.
3701 (vst1q_u32_x4): Likewise.
3702 (vst1_f16_x4): Likewise.
3703 (vst1q_f16_x4): Likewise.
3704 (vst1_f32_x4): Likewise.
3705 (vst1q_f32_x4): Likewise.
3706 (vst1_p8_x4): Likewise.
3707 (vst1q_p8_x4): Likewise.
3708 (vst1_p16_x4): Likewise.
3709 (vst1q_p16_x4): Likewise.
3710 (vst1_s64_x4): Likewise.
3711 (vst1_u64_x4): Likewise.
3712 (vst1_p64_x4): Likewise.
3713 (vst1q_s64_x4): Likewise.
3714 (vst1q_u64_x4): Likewise.
3715 (vst1q_p64_x4): Likewise.
3716 (vst1_f64_x4): Likewise.
3717 (vst1q_f64_x4): Likewise.
3719 2021-07-23 Jonathan Wrightt <jonathan.wright@arm.com>
3721 * config/aarch64/arm_neon.h (vst2_s64): Use __builtin_memcpy
3722 instead of constructing __builtin_aarch64_simd_oi one vector
3724 (vst2_u64): Likewise.
3725 (vst2_f64): Likewise.
3726 (vst2_s8): Likewise.
3727 (vst2_p8): Likewise.
3728 (vst2_s16): Likewise.
3729 (vst2_p16): Likewise.
3730 (vst2_s32): Likewise.
3731 (vst2_u8): Likewise.
3732 (vst2_u16): Likewise.
3733 (vst2_u32): Likewise.
3734 (vst2_f16): Likewise.
3735 (vst2_f32): Likewise.
3736 (vst2_p64): Likewise.
3737 (vst2q_s8): Likewise.
3738 (vst2q_p8): Likewise.
3739 (vst2q_s16): Likewise.
3740 (vst2q_p16): Likewise.
3741 (vst2q_s32): Likewise.
3742 (vst2q_s64): Likewise.
3743 (vst2q_u8): Likewise.
3744 (vst2q_u16): Likewise.
3745 (vst2q_u32): Likewise.
3746 (vst2q_u64): Likewise.
3747 (vst2q_f16): Likewise.
3748 (vst2q_f32): Likewise.
3749 (vst2q_f64): Likewise.
3750 (vst2q_p64): Likewise.
3752 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3754 * config/aarch64/arm_neon.h (vst3_s64): Use __builtin_memcpy
3755 instead of constructing __builtin_aarch64_simd_ci one vector
3757 (vst3_u64): Likewise.
3758 (vst3_f64): Likewise.
3759 (vst3_s8): Likewise.
3760 (vst3_p8): Likewise.
3761 (vst3_s16): Likewise.
3762 (vst3_p16): Likewise.
3763 (vst3_s32): Likewise.
3764 (vst3_u8): Likewise.
3765 (vst3_u16): Likewise.
3766 (vst3_u32): Likewise.
3767 (vst3_f16): Likewise.
3768 (vst3_f32): Likewise.
3769 (vst3_p64): Likewise.
3770 (vst3q_s8): Likewise.
3771 (vst3q_p8): Likewise.
3772 (vst3q_s16): Likewise.
3773 (vst3q_p16): Likewise.
3774 (vst3q_s32): Likewise.
3775 (vst3q_s64): Likewise.
3776 (vst3q_u8): Likewise.
3777 (vst3q_u16): Likewise.
3778 (vst3q_u32): Likewise.
3779 (vst3q_u64): Likewise.
3780 (vst3q_f16): Likewise.
3781 (vst3q_f32): Likewise.
3782 (vst3q_f64): Likewise.
3783 (vst3q_p64): Likewise.
3785 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3787 * config/aarch64/arm_neon.h (vst4_s64): Use __builtin_memcpy
3788 instead of constructing __builtin_aarch64_simd_xi one vector
3790 (vst4_u64): Likewise.
3791 (vst4_f64): Likewise.
3792 (vst4_s8): Likewise.
3793 (vst4_p8): Likewise.
3794 (vst4_s16): Likewise.
3795 (vst4_p16): Likewise.
3796 (vst4_s32): Likewise.
3797 (vst4_u8): Likewise.
3798 (vst4_u16): Likewise.
3799 (vst4_u32): Likewise.
3800 (vst4_f16): Likewise.
3801 (vst4_f32): Likewise.
3802 (vst4_p64): Likewise.
3803 (vst4q_s8): Likewise.
3804 (vst4q_p8): Likewise.
3805 (vst4q_s16): Likewise.
3806 (vst4q_p16): Likewise.
3807 (vst4q_s32): Likewise.
3808 (vst4q_s64): Likewise.
3809 (vst4q_u8): Likewise.
3810 (vst4q_u16): Likewise.
3811 (vst4q_u32): Likewise.
3812 (vst4q_u64): Likewise.
3813 (vst4q_f16): Likewise.
3814 (vst4q_f32): Likewise.
3815 (vst4q_f64): Likewise.
3816 (vst4q_p64): Likewise.
3818 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3820 * config/aarch64/arm_neon.h (vtbx4_s8): Use __builtin_memcpy
3821 instead of constructing __builtin_aarch64_simd_oi one vector
3823 (vtbx4_u8): Likewise.
3824 (vtbx4_p8): Likewise.
3826 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3828 * config/aarch64/arm_neon.h (vtbl3_s8): Use __builtin_memcpy
3829 instead of constructing __builtin_aarch64_simd_oi one vector
3831 (vtbl3_u8): Likewise.
3832 (vtbl3_p8): Likewise.
3833 (vtbl4_s8): Likewise.
3834 (vtbl4_u8): Likewise.
3835 (vtbl4_p8): Likewise.
3837 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3839 * config/aarch64/arm_neon.h (vqtbx2_s8): Use __builtin_memcpy
3840 instead of constructing __builtin_aarch64_simd_oi one vector
3842 (vqtbx2_u8): Likewise.
3843 (vqtbx2_p8): Likewise.
3844 (vqtbx2q_s8): Likewise.
3845 (vqtbx2q_u8): Likewise.
3846 (vqtbx2q_p8): Likewise.
3847 (vqtbx3_s8): Use __builtin_memcpy instead of constructing
3848 __builtin_aarch64_simd_ci one vector at a time.
3849 (vqtbx3_u8): Likewise.
3850 (vqtbx3_p8): Likewise.
3851 (vqtbx3q_s8): Likewise.
3852 (vqtbx3q_u8): Likewise.
3853 (vqtbx3q_p8): Likewise.
3854 (vqtbx4_s8): Use __builtin_memcpy instead of constructing
3855 __builtin_aarch64_simd_xi one vector at a time.
3856 (vqtbx4_u8): Likewise.
3857 (vqtbx4_p8): Likewise.
3858 (vqtbx4q_s8): Likewise.
3859 (vqtbx4q_u8): Likewise.
3860 (vqtbx4q_p8): Likewise.
3862 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3864 * config/aarch64/arm_neon.h (vqtbl2_s8): Use __builtin_memcpy
3865 instead of constructing __builtin_aarch64_simd_oi one vector
3867 (vqtbl2_u8): Likewise.
3868 (vqtbl2_p8): Likewise.
3869 (vqtbl2q_s8): Likewise.
3870 (vqtbl2q_u8): Likewise.
3871 (vqtbl2q_p8): Likewise.
3872 (vqtbl3_s8): Use __builtin_memcpy instead of constructing
3873 __builtin_aarch64_simd_ci one vector at a time.
3874 (vqtbl3_u8): Likewise.
3875 (vqtbl3_p8): Likewise.
3876 (vqtbl3q_s8): Likewise.
3877 (vqtbl3q_u8): Likewise.
3878 (vqtbl3q_p8): Likewise.
3879 (vqtbl4_s8): Use __builtin_memcpy instead of constructing
3880 __builtin_aarch64_simd_xi one vector at a time.
3881 (vqtbl4_u8): Likewise.
3882 (vqtbl4_p8): Likewise.
3883 (vqtbl4q_s8): Likewise.
3884 (vqtbl4q_u8): Likewise.
3885 (vqtbl4q_p8): Likewise.
3887 2021-07-23 Haochen Gui <guihaoc@gcc.gnu.org>
3890 * config/rs6000/rs6000.md (cstore<mode>4): Fix wrong fall through.
3892 2021-07-22 Andrew Pinski <apinski@marvell.com>
3894 PR tree-optimization/10153
3895 * tree-tailcall.c (create_tailcall_accumulator):
3896 Don't call fold_convert as the type should be correct already.
3897 (tree_optimize_tail_calls_1): Use build_{one,zero}_cst instead
3898 of integer_{one,zero}_node for the call of create_tailcall_accumulator.
3900 2021-07-22 Aldy Hernandez <aldyh@redhat.com>
3902 * gimple-range-cache.cc (non_null_ref::adjust_range): Replace
3903 varying_p check for null/non-null check.
3905 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
3907 PR tree-optimization/101511
3908 * value-relation.cc (relation_oracle::query_relation): Check if ssa1
3909 is in ssa2's equiv set, and don't trap if so.
3911 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
3913 PR tree-optimization/101497
3914 * gimple-range-fold.cc (fold_using_range::range_of_cond_expr): Check
3917 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
3919 PR tree-optimization/101496
3920 * vr-values.c (simplify_using_ranges::fold_cond): Call range_of_stmt
3921 first, then vrp_visit_cond_Stmt.
3923 2021-07-22 liuhongt <hongtao.liu@intel.com>
3925 * config/i386/i386-expand.c
3926 (ix86_broadcast_from_integer_constant): Rename to ..
3927 (ix86_broadcast_from_constant): .. this, and extend it to
3929 (ix86_expand_vector_move): Extend to float mode.
3930 * config/i386/i386-features.c
3931 (replace_constant_pool_with_broadcast): Remove.
3932 (remove_partial_avx_dependency_gate): Ditto.
3933 (constant_pool_broadcast): Ditto.
3934 (class pass_constant_pool_broadcast): Ditto.
3935 (make_pass_constant_pool_broadcast): Ditto.
3936 (remove_partial_avx_dependency): Adjust gate.
3937 * config/i386/i386-passes.def: Remove pass_constant_pool_broadcast.
3938 * config/i386/i386-protos.h
3939 (make_pass_constant_pool_broadcast): Remove.
3941 2021-07-22 liuhongt <hongtao.liu@intel.com>
3943 * config/i386/constraints.md (Wb): New constraint.
3945 * config/i386/i386.md (*ashlhi3_1): Extend to avx512 mask
3947 (*ashlqi3_1): Ditto.
3948 (*<insn><mode>3_1): Split to ..
3949 (*ashr<mode>3_1): this, ...
3950 (*lshr<mode>3_1): and this, also extend this pattern to avx512
3952 (*<insn><mode>3_1): Split to ..
3953 (*ashr<mode>3_1): this, ...
3954 (*lshrqi3_1): and this, also extend this pattern to avx512
3956 (*lshrhi3_1): And this, also extend this pattern to avx512
3958 * config/i386/sse.md (k<code><mode>): New define_split after
3959 it to convert generic shift pattern to mask shift ones.
3961 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
3962 Joseph Myers <joseph@codesourcery.com>
3963 Cesar Philippidis <cesar@codesourcery.com>
3965 * tree-core.h (omp_clause_code): Add 'OMP_CLAUSE_NOHOST'.
3966 * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
3968 * tree-pretty-print.c (dump_omp_clause): Likewise.
3969 * omp-general.c (oacc_verify_routine_clauses): Likewise.
3970 * gimplify.c (gimplify_scan_omp_clauses)
3971 (gimplify_adjust_omp_clauses): Likewise.
3972 * tree-nested.c (convert_nonlocal_omp_clauses)
3973 (convert_local_omp_clauses): Likewise.
3974 * omp-low.c (scan_sharing_clauses): Likewise.
3975 * omp-offload.c (execute_oacc_device_lower): Update.
3977 2021-07-21 Martin Sebor <msebor@redhat.com>
3979 * tree-ssa-alias.c (walk_aliased_vdefs_1): Fix typos in a comment.
3981 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3983 * config/rs6000/rs6000-gen-builtins.c (write_init_bif_table):
3986 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3988 * config/rs6000/rs6000-gen-builtins.c (write_fntype): New
3990 (write_fntype_init): New stub function.
3991 (write_init_bif_table): Likewise.
3992 (write_init_ovld_table): New function.
3993 (write_init_file): Implement.
3995 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3997 * config/rs6000/rs6000-gen-builtins.c
3998 (write_autogenerated_header): New function.
3999 (write_decls): Likewise.
4000 (write_extern_fntype): New callback function.
4001 (write_header_file): Implement.
4003 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4005 * config/rs6000/rs6000-gen-builtins.c (write_defines_file):
4008 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4010 * config/rs6000/rs6000-gen-builtins.c (complete_vector_type): New
4012 (complete_base_type): Likewise.
4013 (construct_fntype_id): Likewise.
4014 (parse_bif_entry): Call contruct_fntype_id.
4015 (parse_ovld_entry): Likewise.
4017 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4019 * config/rs6000/rs6000-gen-builtins.c (ovld_stanza): New struct.
4020 (MAXOVLDSTANZAS): New macro.
4021 (ovld_stanzas): New variable.
4022 (curr_ovld_stanza): Likewise.
4023 (MAXOVLDS): New macro.
4024 (ovlddata): New struct.
4025 (ovlds): New variable.
4026 (curr_ovld): Likewise.
4027 (max_ovld_args): Likewise.
4028 (parse_ovld_entry): New function.
4029 (parse_ovld_stanza): Likewise.
4030 (parse_ovld): Implement.
4032 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4034 * config/rs6000/rs6000-gen-builtins.c (parse_bif_attrs):
4037 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4039 * config/rs6000/rs6000-gen-builtins.c (parse_args): New function.
4040 (parse_prototype): Implement.
4042 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4044 * config/rs6000/rs6000-gen-builtins.c (bif_stanza): New enum.
4045 (curr_bif_stanza): New variable.
4046 (stanza_entry): New struct.
4047 (stanza_map): New initialized variable.
4048 (enable_string): Likewise.
4049 (fnkinds): New enum.
4050 (typelist): New struct.
4051 (attrinfo): Likewise.
4052 (MAXRESTROPNDS): New macro.
4053 (prototype): New struct.
4054 (MAXBIFS): New macro.
4055 (bifdata): New struct.
4056 (bifs): New variable.
4057 (curr_bif): Likewise.
4058 (bif_order): Likewise.
4059 (bif_index): Likewise.
4060 (fatal): New function.
4061 (stanza_name_to_stanza): Likewise.
4062 (parse_bif_attrs): New stub function.
4063 (parse_prototype): Likewise.
4064 (parse_bif_entry): New function.
4065 (parse_bif_stanza): Likewise.
4066 (parse_bif): Implement.
4067 (set_bif_order): New function.
4068 (create_bif_order): Implement.
4070 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4072 * config/rs6000/rs6000-gen-builtins.c (rbtree.h): New #include.
4073 (num_bifs): New variable.
4074 (num_ovld_stanzas): Likewise.
4075 (num_ovlds): Likewise.
4076 (parse_codes): New enum.
4077 (bif_rbt): New variable.
4078 (ovld_rbt): Likewise.
4079 (fntype_rbt): Likewise.
4080 (bifo_rbt): Likewise.
4081 (parse_bif): New stub function.
4082 (create_bif_order): Likewise.
4083 (parse_ovld): Likewise.
4084 (write_header_file): Likewise.
4085 (write_init_file): Likewise.
4086 (write_defines_file): Likewise.
4087 (delete_output_files): New function.
4090 2021-07-21 H.J. Lu <hjl.tools@gmail.com>
4093 * config/i386/i386-builtin.def: Remove OPTION_MASK_ISA_SSE4_2
4094 from CRC32 _builtin functions.
4096 2021-07-21 Sebastian Huber <sebastian.huber@embedded-brains.de>
4098 * coverage.c (build_gcov_info_var_registration): Mark the object placed
4099 in the linker set as referenced so that it does not get optimized away.
4101 2021-07-21 Kito Cheng <kito.cheng@sifive.com>
4104 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
4106 * config.gcc (riscv*-*-*): Detect which python is available.
4108 2021-07-21 Jakub Jelinek <jakub@redhat.com>
4110 PR middle-end/101535
4111 * gimplify.c (omp_check_private): Properly skip ORT_TARGET_DATA
4112 contexts in which decl isn't privatized and for ORT_TARGET return
4113 false if decl is mapped.
4115 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
4117 * gimple-loop-jam.c: Include tree-ssa-sccvn.h.
4118 (tree_loop_unroll_and_jam): Run value-numbering on a loop that
4119 has been successfully unrolled.
4121 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
4123 * tree-ssa-loop-manip.c (determine_exit_conditions): Return a null
4124 exit condition if no tail loop is needed, and if the original exit
4125 condition should therefore be kept as-is.
4126 (tree_transform_and_unroll_loop): Handle that case here too.
4128 2021-07-21 Kewen Lin <linkw@linux.ibm.com>
4130 * tree-data-ref.c (free_dependence_relations): Adjust to pass vec
4132 (free_data_refs): Likewise.
4133 * tree-data-ref.h (free_dependence_relations): Likewise.
4134 (free_data_refs): Likewise.
4135 * tree-predcom.c (struct chain): Use auto_vec instead of vec for
4137 (struct component): Likewise.
4138 (pcom_worker::pcom_worker): Adjust for auto_vec and renaming changes.
4139 (pcom_worker::~pcom_worker): Likewise.
4140 (pcom_worker::release_chain): Adjust as auto_vec changes.
4141 (pcom_worker::loop): Rename to ...
4142 (pcom_worker::m_loop): ... this.
4143 (pcom_worker::datarefs): Rename to ...
4144 (pcom_worker::m_datarefs): ... this. Use auto_vec instead of vec.
4145 (pcom_worker::dependences): Rename to ...
4146 (pcom_worker::m_dependences): ... this. Use auto_vec instead of vec.
4147 (pcom_worker::chains): Rename to ...
4148 (pcom_worker::m_chains): ... this. Use auto_vec instead of vec.
4149 (pcom_worker::looparound_phis): Rename to ...
4150 (pcom_worker::m_looparound_phis): ... this. Use auto_vec instead of
4152 (pcom_worker::cache): Rename to ...
4153 (pcom_worker::m_cache): ... this. Use auto_vec instead of vec.
4154 (pcom_worker::release_chain): Adjust for auto_vec changes.
4155 (pcom_worker::release_chains): Adjust for auto_vec and renaming
4157 (release_component): Remove.
4158 (release_components): Adjust for release_component removal.
4159 (component_of): Adjust to use vec.
4160 (merge_comps): Likewise.
4161 (pcom_worker::aff_combination_dr_offset): Adjust for renaming changes.
4162 (pcom_worker::determine_offset): Likewise.
4163 (class comp_ptrs): Remove.
4164 (pcom_worker::split_data_refs_to_components): Adjust for renaming
4165 changes, for comp_ptrs removal with auto_vec.
4166 (pcom_worker::suitable_component_p): Adjust for renaming changes.
4167 (pcom_worker::filter_suitable_components): Adjust for release_component
4169 (pcom_worker::valid_initializer_p): Adjust for renaming changes.
4170 (pcom_worker::find_looparound_phi): Likewise.
4171 (pcom_worker::add_looparound_copies): Likewise.
4172 (pcom_worker::determine_roots_comp): Likewise.
4173 (pcom_worker::single_nonlooparound_use): Likewise.
4174 (pcom_worker::execute_pred_commoning_chain): Likewise.
4175 (pcom_worker::execute_pred_commoning): Likewise.
4176 (pcom_worker::try_combine_chains): Likewise.
4177 (pcom_worker::prepare_initializers_chain): Likewise.
4178 (pcom_worker::prepare_initializers): Likewise.
4179 (pcom_worker::prepare_finalizers_chain): Likewise.
4180 (pcom_worker::prepare_finalizers): Likewise.
4181 (pcom_worker::tree_predictive_commoning_loop): Likewise.
4183 2021-07-20 Martin Sebor <msebor@redhat.com>
4185 PR middle-end/101397
4186 * builtins.c (gimple_call_return_array): Add argument. Correct
4187 offsets for memchr, mempcpy, stpcpy, and stpncpy.
4188 (compute_objsize_r): Adjust offset computation for argument returning
4191 2021-07-20 Martin Sebor <msebor@redhat.com>
4193 PR middle-end/101300
4194 * tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
4196 2021-07-20 Jeff Law <jlaw@localhost.localdomain>
4198 * function.c (assign_parm_setup_block): Use adjust_address instead
4199 of change_address to preserve MEM_EXPR and friends.
4201 2021-07-20 Martin Sebor <msebor@redhat.com>
4203 * cfgloop.h (single_likely_exit): Adjust by-value argument to
4205 * cfgloopanal.c (single_likely_exit): Same.
4206 * cgraph.h (struct cgraph_node): Same.
4207 * cgraphclones.c (cgraph_node::create_virtual_clone): Same.
4208 * genautomata.c (merge_states): Same.
4209 * genextract.c (VEC_char_to_string): Same.
4210 * genmatch.c (dt_node::gen_kids_1): Same.
4211 (walk_captures): Adjust by-value argument to by-reference.
4212 * gimple-ssa-store-merging.c (check_no_overlap): Adjust by-value argument
4213 to by-const-reference.
4214 * gimple.c (gimple_build_call_vec): Same.
4215 (gimple_build_call_internal_vec): Same.
4216 (gimple_build_switch): Same.
4217 (sort_case_labels): Same.
4218 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
4220 * gimple.h (gimple_build_call_vec): Adjust by-value argument to
4222 (gimple_build_call_internal_vec): Same.
4223 (gimple_build_switch): Same.
4224 (sort_case_labels): Same.
4225 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
4227 * haifa-sched.c (calc_priorities): Adjust by-value argument to
4229 (sched_init_luids): Same.
4230 (haifa_init_h_i_d): Same.
4231 * ipa-cp.c (ipa_get_indirect_edge_target_1): Same.
4232 (adjust_callers_for_value_intersection): Adjust by-value argument to
4234 (find_more_scalar_values_for_callers_subset): Adjust by-value argument to
4236 (find_more_contexts_for_caller_subset): Same.
4237 (find_aggregate_values_for_callers_subset): Same.
4238 (copy_useful_known_contexts): Same.
4239 * ipa-fnsummary.c (remap_edge_summaries): Same.
4240 (remap_freqcounting_predicate): Same.
4241 * ipa-inline.c (add_new_edges_to_heap): Adjust by-value argument to
4243 * ipa-predicate.c (predicate::remap_after_inlining): Adjust by-value argument
4244 to by-const-reference.
4245 * ipa-predicate.h (predicate::remap_after_inlining): Same.
4246 * ipa-prop.c (ipa_find_agg_cst_for_param): Same.
4247 * ipa-prop.h (ipa_find_agg_cst_for_param): Same.
4248 * ira-build.c (ira_loop_tree_body_rev_postorder): Same.
4249 * read-rtl.c (add_overload_instance): Same.
4250 * rtl.h (native_decode_rtx): Same.
4251 (native_decode_vector_rtx): Same.
4252 * sched-int.h (sched_init_luids): Same.
4253 (haifa_init_h_i_d): Same.
4254 * simplify-rtx.c (native_decode_vector_rtx): Same.
4255 (native_decode_rtx): Same.
4256 * tree-call-cdce.c (gen_shrink_wrap_conditions): Same.
4257 (shrink_wrap_one_built_in_call_with_conds): Same.
4258 (shrink_wrap_conditional_dead_built_in_calls): Same.
4259 * tree-data-ref.c (create_runtime_alias_checks): Same.
4260 (compute_all_dependences): Same.
4261 * tree-data-ref.h (compute_all_dependences): Same.
4262 (create_runtime_alias_checks): Same.
4263 (index_in_loop_nest): Same.
4264 * tree-if-conv.c (mask_exists): Same.
4265 * tree-loop-distribution.c (class loop_distribution): Same.
4266 (loop_distribution::create_rdg_vertices): Same.
4267 (dump_rdg_partitions): Same.
4268 (debug_rdg_partitions): Same.
4269 (partition_contains_all_rw): Same.
4270 (loop_distribution::distribute_loop): Same.
4271 * tree-parloops.c (oacc_entry_exit_ok_1): Same.
4272 (oacc_entry_exit_single_gang): Same.
4273 * tree-ssa-loop-im.c (hoist_memory_references): Same.
4274 (loop_suitable_for_sm): Same.
4275 * tree-ssa-loop-niter.c (bound_index): Same.
4276 * tree-ssa-reassoc.c (update_ops): Same.
4277 (swap_ops_for_binary_stmt): Same.
4278 (rewrite_expr_tree): Same.
4279 (rewrite_expr_tree_parallel): Same.
4280 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Same.
4281 * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Same.
4282 * tree-ssa-structalias.c (process_all_all_constraints): Same.
4283 (make_constraints_to): Same.
4284 (handle_lhs_call): Same.
4285 (find_func_aliases_for_builtin_call): Same.
4286 (sort_fieldstack): Same.
4287 (check_for_overlaps): Same.
4288 * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Same.
4289 (vect_create_cond_for_unequal_addrs): Same.
4290 (vect_create_cond_for_lower_bounds): Same.
4291 (vect_create_cond_for_alias_checks): Same.
4292 * tree-vect-slp-patterns.c (vect_validate_multiplication): Same.
4293 * tree-vect-slp.c (vect_analyze_slp_instance): Same.
4294 (vect_make_slp_decision): Same.
4295 (vect_slp_bbs): Same.
4296 (duplicate_and_interleave): Same.
4297 (vect_transform_slp_perm_load): Same.
4298 (vect_schedule_slp): Same.
4299 * tree-vectorizer.h (vect_transform_slp_perm_load): Same.
4300 (vect_schedule_slp): Same.
4301 (duplicate_and_interleave): Same.
4302 * tree.c (build_vector_from_ctor): Same.
4303 (build_vector): Same.
4304 (check_vector_cst): Same.
4305 (check_vector_cst_duplicate): Same.
4306 (check_vector_cst_fill): Same.
4307 (check_vector_cst_stepped): Same.
4308 * tree.h (build_vector_from_ctor): Same.
4310 2021-07-20 Jakub Jelinek <jakub@redhat.com>
4313 * config/rs6000/rs6000-protos.h (easy_altivec_constant): Change return
4314 type from bool to int.
4315 * config/rs6000/rs6000.c (vspltis_constant): Fix up handling the
4316 EASY_VECTOR_MSB case if either step or copies is not 1.
4317 (vspltis_shifted): Fix comment typo.
4318 (easy_altivec_constant): Change return type from bool to int, instead
4319 of returning true return byte size of the element mode that should be
4320 used to synthetize the constant.
4321 * config/rs6000/predicates.md (easy_vector_constant_msb): Require
4322 that vspltis_shifted is 0, handle the case where easy_altivec_constant
4323 assumes using different vector mode from CONST_VECTOR's mode.
4324 * config/rs6000/altivec.md (easy_vector_constant_msb splitter): Use
4325 easy_altivec_constant to determine mode in which -1 >> -1 should be
4326 performed, use rs6000_expand_vector_init instead of gen_vec_initv4sisi.
4328 2021-07-20 Richard Biener <rguenther@suse.de>
4331 * dwarf2out.h (dwarf_file_data): Add key member.
4332 * dwarf2out.c (dwarf_file_hasher::equal): Compare key.
4333 (dwarf_file_hasher::hash): Hash key.
4334 (lookup_filename): Remap the filename and store it in the
4335 filename member of dwarf_file_data when creating a new
4337 (file_name_acquire): Do not remap the filename again.
4338 (maybe_emit_file): Likewise.
4340 2021-07-20 Jonathan Wright <jonathan.wright@arm.com>
4342 * config/aarch64/aarch64-simd-builtins.def: Use two variant
4343 generators for all TBL/TBX intrinsics and rename to
4344 consistent forms: qtbl[1234] or qtbx[1234].
4345 * config/aarch64/aarch64-simd.md (aarch64_tbl1<mode>):
4347 (aarch64_qtbl1<mode>): This.
4348 (aarch64_tbx1<mode>): Rename to...
4349 (aarch64_qtbx1<mode>): This.
4350 (aarch64_tbl2v16qi): Delete.
4351 (aarch64_tbl3<mode>): Rename to...
4352 (aarch64_qtbl2<mode>): This.
4353 (aarch64_tbx4<mode>): Rename to...
4354 (aarch64_qtbx2<mode>): This.
4355 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Use
4356 renamed qtbl1 and qtbl2 RTL patterns.
4357 * config/aarch64/arm_neon.h (vqtbl1_p8): Use renamed qtbl1
4359 (vqtbl1_s8): Likewise.
4360 (vqtbl1_u8): Likewise.
4361 (vqtbl1q_p8): Likewise.
4362 (vqtbl1q_s8): Likewise.
4363 (vqtbl1q_u8): Likewise.
4364 (vqtbx1_s8): Use renamed qtbx1 RTL pattern.
4365 (vqtbx1_u8): Likewise.
4366 (vqtbx1_p8): Likewise.
4367 (vqtbx1q_s8): Likewise.
4368 (vqtbx1q_u8): Likewise.
4369 (vqtbx1q_p8): Likewise.
4370 (vtbl1_s8): Use renamed qtbl1 RTL pattern.
4371 (vtbl1_u8): Likewise.
4372 (vtbl1_p8): Likewise.
4373 (vtbl2_s8): Likewise
4374 (vtbl2_u8): Likewise.
4375 (vtbl2_p8): Likewise.
4376 (vtbl3_s8): Use renamed qtbl2 RTL pattern.
4377 (vtbl3_u8): Likewise.
4378 (vtbl3_p8): Likewise.
4379 (vtbl4_s8): Likewise.
4380 (vtbl4_u8): Likewise.
4381 (vtbl4_p8): Likewise.
4382 (vtbx2_s8): Use renamed qtbx2 RTL pattern.
4383 (vtbx2_u8): Likewise.
4384 (vtbx2_p8): Likewise.
4385 (vqtbl2_s8): Use renamed qtbl2 RTL pattern.
4386 (vqtbl2_u8): Likewise.
4387 (vqtbl2_p8): Likewise.
4388 (vqtbl2q_s8): Likewise.
4389 (vqtbl2q_u8): Likewise.
4390 (vqtbl2q_p8): Likewise.
4391 (vqtbx2_s8): Use renamed qtbx2 RTL pattern.
4392 (vqtbx2_u8): Likewise.
4393 (vqtbx2_p8): Likewise.
4394 (vqtbx2q_s8): Likewise.
4395 (vqtbx2q_u8): Likewise.
4396 (vqtbx2q_p8): Likewise.
4397 (vtbx4_s8): Likewise.
4398 (vtbx4_u8): Likewise.
4399 (vtbx4_p8): Likewise.
4401 2021-07-20 Uroš Bizjak <ubizjak@gmail.com>
4404 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
4406 (define_peephole2 atomic_loaddi_fpu): Ditto.
4408 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
4410 * config.gcc (riscv*-*-*): Detect which python is available.
4412 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
4414 * config/rs6000/vsx.md (mulhs_<mode>): Rename to...
4415 (smul<mode>3_highpart): ... this.
4416 (mulhu_<mode>): Rename to...
4417 (umul<mode>3_highpart): ... this.
4418 * config/rs6000/rs6000-builtin.def (MULHS_V2DI, MULHS_V4SI,
4419 MULHU_V2DI, MULHU_V4SI): Adjust.
4421 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
4423 PR tree-optimization/100696
4424 * internal-fn.c (first_commutative_argument): Add info for IFN_MULH.
4425 * internal-fn.def (IFN_MULH): New internal function.
4426 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Add support to
4427 recog normal multiply highpart as IFN_MULH.
4428 * config/i386/i386.c (ix86_add_stmt_cost): Adjust for combined
4431 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
4433 * config/elfos.h (CTF_DEBUGGING_INFO): New definition.
4434 (BTF_DEBUGGING_INFO): Likewise.
4435 * doc/tm.texi.in: Document the new macros.
4436 * doc/tm.texi: Regenerated.
4437 * toplev.c: Guard initialization of debug hooks.
4439 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
4441 * flags.h (ctf_debuginfo_p): New function declaration.
4442 * opts.c (ctf_debuginfo_p): New function definition.
4444 2021-07-19 Andrew Stubbs <ams@codesourcery.com>
4447 * config/gcn/gcn-hsa.h (DRIVER_SELF_SPECS): New.
4448 (ASM_SPEC): Set -mattr for xnack and sram-ecc.
4449 * config/gcn/gcn-opts.h (enum sram_ecc_type): New.
4450 * config/gcn/gcn-valu.md: Add a warning comment.
4451 * config/gcn/gcn.c (gcn_option_override): Add "sorry" for -mxnack.
4452 (output_file_start): Add xnack and sram-ecc state to ".amdgcn_target".
4453 * config/gcn/gcn.md: Add a warning comment.
4454 * config/gcn/gcn.opt: Add -mxnack and -msram-ecc.
4455 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): Remove
4457 (EF_AMDGPU_XNACK): New.
4458 (EF_AMDGPU_SRAM_ECC): New.
4460 (copy_early_debug_info): Use elf_flags.
4461 (main): Handle -mxnack and -msram-ecc options.
4462 * doc/invoke.texi: Document -mxnack and -msram-ecc.
4464 2021-07-19 Andrew Pinski <apinski@marvell.com>
4467 * config/aarch64/aarch64.md (csneg3_uxtw_insn): Rename to ...
4468 (*cs<neg_not_cs>3_uxtw_insn4): and extend to NEG_NOT.
4470 2021-07-19 Richard Biener <rguenther@suse.de>
4472 PR tree-optimization/101505
4473 * tree-vect-patterns.c (vect_determine_precisions): Walk
4474 PHIs also for loop vectorization.
4476 2021-07-19 Richard Biener <rguenther@suse.de>
4478 * gimple.h (gimple_expr_type): Remove.
4479 * doc/gimple.texi: Remove gimple_expr_type documentation.
4481 2021-07-19 Richard Biener <rguenther@suse.de>
4483 * tree-ssa-sccvn.c (vn_reference_eq): Handle NULL vr->type.
4484 (ao_ref_init_from_vn_reference): Likewise.
4485 (fully_constant_reference): Likewise.
4486 (vn_reference_lookup_call): Do not set vr->type to random
4488 * tree-ssa-pre.c (compute_avail): Do not try to PRE calls
4490 * tree-vect-generic.c (expand_vector_piecewise): Pass in
4491 whether we expanded parallel.
4492 (expand_vector_parallel): Adjust.
4493 (expand_vector_addition): Likewise.
4494 (expand_vector_comparison): Likewise.
4495 (expand_vector_operation): Likewise.
4496 (expand_vector_scalar_condition): Likewise.
4497 (expand_vector_conversion): Likewise.
4499 2021-07-19 Richard Biener <rguenther@suse.de>
4501 * tree-vrp.c (register_edge_assert_for_2): Use the
4503 (vrp_folder::fold_predicate_in): Likewise.
4504 * vr-values.c (gimple_assign_nonzero_p): Likewise.
4505 (vr_values::extract_range_from_comparison): Likewise.
4506 (vr_values::extract_range_from_ubsan_builtin): Use the
4507 type of the first operand.
4508 (vr_values::extract_range_basic): Push down type
4509 computation, use the appropriate LHS.
4510 (vr_values::extract_range_from_assignment): Use the
4513 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
4516 * common/config/i386/i386-common.c (ix86_handle_option): For
4517 -mgeneral-regs-only, enable the GPR only instructions which are
4518 enabled implicitly by SSE ISAs unless they have been disabled
4521 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
4524 * config/i386/i386.c (ix86_check_avx_upper_stores): Moved before
4525 ix86_avx_u128_mode_needed.
4526 (ix86_avx_u128_mode_needed): Return AVX_U128_DIRTY if callee
4527 returns AVX register.
4529 2021-07-17 Jan Hubicka <hubicka@ucw.cz>
4531 * tree-ssa-structalias.c (handle_rhs_call): Support EAF_NOT_RETURNED.
4532 (handle_const_call): Liekise
4533 (handle_pure_call): Liekise
4535 2021-07-17 Andrew MacLeod <amacleod@redhat.com>
4537 PR tree-optimization/96542
4538 * range-op.cc (range_operator::wi_fold_in_parts): New.
4539 (range_operator::fold_range): Call wi_fold_in_parts.
4540 (operator_lshift::wi_fold): Fix broken lshift by [0,0].
4541 * range-op.h (wi_fold_in_parts): Add prototype.
4543 2021-07-16 David Malcolm <dmalcolm@redhat.com>
4545 * doc/analyzer.texi: Add __analyzer_dump_state.
4547 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4549 * config/rs6000/rbtree.c: New file.
4550 * config/rs6000/rbtree.h: New file.
4552 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4554 * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
4555 (typeinfo): Add restr field.
4556 (match_bracketed_pair): New function.
4557 (match_const_restriction): Implement.
4559 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4561 * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
4563 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4565 * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
4566 (basetype): Likewise.
4567 (typeinfo): Likewise.
4568 (handle_pointer): New function.
4569 (match_basetype): New stub function.
4570 (match_const_restriction): Likewise.
4571 (match_type): New function.
4573 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4575 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
4577 (advance_line): Likewise.
4578 (safe_inc_pos): Likewise.
4579 (match_identifier): Likewise.
4580 (match_integer): Likewise.
4581 (match_to_right_bracket): Likewise.
4583 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4585 * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
4586 (ovld_file): Likewise.
4587 (header_file): Likewise.
4588 (init_file): Likewise.
4589 (defines_file): Likewise.
4590 (pgm_path): Likewise.
4591 (bif_path): Likewise.
4592 (ovld_path): Likewise.
4593 (header_path): Likewise.
4594 (init_path): Likewise.
4595 (defines_path): Likewise.
4596 (LINELEN): New macro.
4597 (linebuf): New variable.
4601 (bif_diag): New function.
4602 (ovld_diag): Likewise.
4604 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4606 * config/rs6000/rs6000-builtin-new.def: New.
4607 * config/rs6000/rs6000-overload.def: New.
4609 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4611 * config/rs6000/rs6000-gen-builtins.c: New.
4613 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
4615 * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
4616 (s-gtype): Depend on EXTRA_GTYPE_DEPS.
4617 * gengtype-state.c (state_writer::write_state_file_list): Add a
4618 parameter to the fileslist expression for the number of build
4620 (read_state_files_list): Detect build headers and strip the
4621 initial "./" or ".\" from their names.
4622 * gengtype.c (build_headers): New global variable.
4623 (num_build_headers): Likewise.
4624 (open_base_files): Emit #include for each build header.
4625 (main): Detect and count build headers.
4626 * gengtype.h (build_headers): New extern variable.
4627 (num_build_headers): Likewise.
4629 2021-07-16 Richard Biener <rguenther@suse.de>
4631 * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
4632 the type of the LHS.
4633 (find_bswap_or_nop_1): Likewise.
4634 (find_bswap_or_nop): Likewise.
4635 * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
4637 * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
4638 Remove unused parameters, pass in the scalar type. Fix
4639 internal store function handling.
4640 * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
4641 (vect_get_vector_types_for_stmt): Move down check for
4642 existing vector stmt after we've determined a scalar type.
4643 Pass down the used scalar type to vect_get_smallest_scalar_type.
4644 * tree-vect-generic.c (expand_vector_condition): Use
4645 the type of the LHS.
4646 (expand_vector_scalar_condition): Likewise.
4647 (expand_vector_operations_1): Likewise.
4648 * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
4649 (vect_recog_dot_prod_pattern): Likewise.
4650 (vect_recog_sad_pattern): Likewise.
4651 (vect_recog_widen_op_pattern): Likewise.
4652 (vect_recog_widen_sum_pattern): Likewise.
4653 (vect_recog_mixed_size_cond_pattern): Likewise.
4655 2021-07-16 Jan Hubicka <hubicka@ucw.cz>
4657 * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
4658 (dump_eaf_flags): Dump EAF_NOT_RETURNED
4659 (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
4660 and EAF_NOT_RETURNED.
4661 (modref_summary::useful_p): Likewise.
4662 (modref_summary_lto::useful_p): Likewise.
4663 (struct) modref_summary_lto: Use eaf_fleags_t.
4664 (deref_flags): Handle EAF_NOT_RETURNED.
4665 (struct escape_point): Use min_flags.
4666 (modref_lattice::init): Add EAF_NOT_RETURNED.
4667 (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
4668 (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
4670 (analyze_parms): Also analyze const functions; update conition on
4672 (modref_write): Update streaming.
4673 (read_section): Update streaming.
4674 (remap_arg_flags): Use eaf_flags_t.
4675 (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
4676 * ipa-modref.h: (eaf_flags_t): New typedef.
4677 (struct modref_summary): Use eaf_flags_t.
4678 * tree-core.h (EAF_NOT_RETURNED): New constant.
4680 2021-07-16 Richard Biener <rguenther@suse.de>
4682 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
4683 the type of the LHS.
4684 (gimple_assign_nonnegative_warnv_p): Likewise.
4685 (gimple_call_nonnegative_warnv_p): Likewise. Return false
4686 if the call has no LHS.
4687 * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
4688 * tree-eh.c (stmt_could_throw_1_p): Likewise.
4689 * tree-inline.c (insert_init_stmt): Likewise.
4690 * tree-ssa-loop-niter.c (get_val_for): Likewise.
4691 * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
4693 * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
4694 gassign *. Use the type of the lhs.
4695 (vn_nary_op_lookup_stmt): Adjust.
4696 (vn_nary_op_insert_stmt): Likewise.
4698 2021-07-16 Ilya Leoshkevich <iii@linux.ibm.com>
4700 * config/s390/predicates.md (bras_sym_operand): Accept all
4701 functions in 64-bit mode, use UNSPEC_PLT31.
4702 (larl_operand): Use UNSPEC_PLT31.
4703 * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
4704 (legitimize_pic_address): Likewise.
4705 (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
4707 (s390_delegitimize_address): Use UNSPEC_PLT31.
4708 (s390_output_addr_const_extra): Likewise.
4709 (print_operand): Add @PLT to TLS calls, handle %K.
4710 (s390_function_profiler): Mark __fentry__/_mcount as function,
4711 use %K, use UNSPEC_PLT31.
4712 (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
4713 (s390_emit_call): Use UNSPEC_PLT31.
4714 (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
4715 * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
4716 (*movdi_64): Use %K.
4717 (reload_base_64): Likewise.
4718 (*sibcall_brc): Likewise.
4719 (*sibcall_brcl): Likewise.
4720 (*sibcall_value_brc): Likewise.
4721 (*sibcall_value_brcl): Likewise.
4724 (*bras_r): Likewise.
4725 (*brasl_r): Likewise.
4726 (*bras_tls): Likewise.
4727 (*brasl_tls): Likewise.
4728 (main_base_64): Likewise.
4729 (reload_base_64): Likewise.
4730 (@split_stack_call<mode>): Likewise.
4732 2021-07-16 Richard Biener <rguenther@suse.de>
4734 PR tree-optimization/101467
4735 * tree-vect-stmts.c (vect_gen_while): Properly guard
4736 make_temp_ssa_name usage.
4738 2021-07-16 Cooper Qu <cooper.qu@linux.alibaba.com>
4740 * config.gcc: Don't use forked print-sysroot-suffix.sh and
4741 t-sysroot-suffix for C-SKY.
4742 * config/csky/print-sysroot-suffix.sh: Delete.
4743 * config/csky/t-csky-linux: Delete.
4744 * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
4745 instead of CSKY_MULTILIB_DIRNAMES.
4747 2021-07-16 Richard Biener <rguenther@suse.de>
4749 * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
4750 conversion issues with the partial reduction of the reused
4753 2021-07-16 Richard Biener <rguenther@suse.de>
4755 * config/i386/i386-options.c (ix86_option_override_internal): Set
4756 param_vect_partial_vector_usage to zero if not set.
4758 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
4761 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
4762 (VALID_INT_MODE_P): Add SDmode and DDmode.
4763 Add TDmode for TARGET_64BIT.
4764 (VALID_DFP_MODE_P): Remove.
4765 * config/i386/i386.c (ix86_hard_regno_mode_ok):
4766 Do not use VALID_DFP_MODE_P.
4768 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
4770 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
4772 (fold_using_range::fold_stmt): Ditto.
4773 (fold_using_range::range_of_range_op): Ditto.
4774 (fold_using_range::range_of_phi): Ditto.
4775 (fold_using_range::range_of_call): Ditto.
4776 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
4777 (fold_using_range::range_of_builtin_call): Ditto.
4778 (fold_using_range::range_of_cond_expr): Ditto.
4779 * gimple-range-fold.h (gimple_range_type): New.
4781 2021-07-15 Martin Sebor <msebor@redhat.com>
4784 * tree-ssa-strlen.c (handle_assign): New function.
4785 (maybe_warn_overflow): Add argument.
4786 (nonzero_bytes_for_type): New function.
4787 (count_nonzero_bytes): Handle more tree types. Call
4788 nonzero_bytes_for_tye.
4789 (count_nonzero_bytes): Handle types.
4790 (handle_store): Handle stores from function calls.
4791 (strlen_check_and_optimize_call): Move code to handle_assign. Call
4792 it for assignments from function calls.
4794 2021-07-15 David Malcolm <dmalcolm@redhat.com>
4799 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
4801 2021-07-15 David Malcolm <dmalcolm@redhat.com>
4803 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
4805 2021-07-15 Martin Sebor <msebor@redhat.com>
4809 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
4810 (operand_compare::verify_hash_value): Same.
4811 * tree-core.h (OEP_DECL_NAME): New.
4813 2021-07-15 Martin Jambor <mjambor@suse.cz>
4815 * profile-count.h (profile_count::value): Change the return type to
4817 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
4819 * tree-cfg.c (dump_function_to_file): Likewise.
4821 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
4824 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
4825 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
4828 2021-07-15 Richard Biener <rguenther@suse.de>
4830 * tree-vectorizer.h (vect_gen_while): Match up with
4832 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
4833 of vect_gen_while_not.
4834 (vect_gen_while_not): Adjust.
4835 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
4837 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
4839 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
4840 (ranger_cache::range_of_def): Call adjust_range.
4841 (ranger_cache::entry_range): Same.
4842 * gimple-range-cache.h (non_null_ref::adjust_range): New.
4843 * gimple-range.cc (gimple_ranger::range_of_expr): Call
4845 (gimple_ranger::range_on_entry): Same.
4847 2021-07-15 Tamar Christina <tamar.christina@arm.com>
4850 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4852 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
4854 2021-07-15 Tamar Christina <tamar.christina@arm.com>
4857 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4859 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
4860 (sdot_prod, udot_prod): ...These.
4861 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
4862 (aarch64_<sur>dot<vsi2qi>): Rename to...
4863 (<sur>dot_prod<vsi2qi>): ...This.
4864 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
4867 2021-07-15 Jakub Jelinek <jakub@redhat.com>
4869 PR middle-end/101437
4870 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
4871 types even if they have non-BLKmode TYPE_MODE.
4873 2021-07-15 Richard Biener <rguenther@suse.de>
4876 * gcc.c (process_command): Process -gtoggle like process_options
4877 would after parsing options.
4879 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
4881 * cfgexpand.c (expand_asm_loc): Adjust.
4882 (expand_asm_stmt): Likewise.
4883 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
4884 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
4885 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
4886 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
4887 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
4888 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
4889 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
4890 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
4891 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
4892 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
4893 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
4894 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
4895 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
4896 * doc/tm.texi: Regenerate.
4897 * target.def: Add location argument to md_asm_adjust.
4899 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
4901 * tree-diagnostic.c (diagnostic_report_current_function): Use the
4902 diagnostic's location, not input_location.
4904 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
4906 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
4908 (expand_asm_stmt): Likewise.
4910 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
4912 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
4913 addressed memory rtx, if any.
4914 (rs6000_split_multireg_move): Fix code formatting.
4915 Handle MMA build built-ins with operands in adjacent memory locations.
4917 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
4919 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
4922 2021-07-14 Jason Merrill <jason@redhat.com>
4924 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
4926 2021-07-14 Jason Merrill <jason@redhat.com>
4928 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
4931 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4933 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4934 Remove erroneous line.
4936 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
4938 * params.opt (param_evrp_mode): Change default.
4940 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4942 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
4943 (sdot_prod, udot_prod): ...These.
4944 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
4945 (aarch64_<sur>dot<vsi2qi>): Rename to...
4946 (<sur>dot_prod<vsi2qi>): ...This.
4947 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
4950 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4952 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
4954 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4956 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
4958 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4960 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
4962 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4964 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
4965 (usdot_prod<vsi2qi>): ... This.
4966 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
4967 (usdot_prod): ...This.
4968 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
4969 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
4971 (@<sur>dot_prod<vsi2qi>): ...This.
4972 * config/aarch64/aarch64-sve-builtins-base.cc
4973 (svusdot_impl::expand): Use it.
4975 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4977 * optabs.def (usdot_prod_optab): New.
4978 * doc/md.texi: Document it and clarify other dot prod optabs.
4979 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
4980 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
4981 * optabs.c (expand_widen_pattern_expr): Likewise.
4982 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
4983 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
4984 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
4986 (vect_widened_op_tree): Optionally ignore
4988 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
4990 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
4993 * config/i386/driver-i386.c (host_detect_local_cpu): Check
4994 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
4995 Enable UINTR only for 64-bit codegen.
4996 * config/i386/i386-options.c
4997 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
4999 * config/i386/i386.h (ARCH_ARG): New.
5000 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
5001 "[arch|tune] 64" for 64-bit codegen.
5003 2021-07-14 Richard Biener <rguenther@suse.de>
5005 PR tree-optimization/101445
5006 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
5007 of the IV in the correct direction for negative stride
5010 2021-07-14 Jakub Jelinek <jakub@redhat.com>
5013 * godump.c (godump_str_hash): New type.
5014 (godump_container::pot_dummy_types): Use string_hash instead of
5015 ptr_hash in the hash_set.
5017 2021-07-14 Richard Biener <rguenther@suse.de>
5019 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
5020 vector types where the old vector type has a multiple of
5021 the new vector type elements.
5022 (vect_create_partial_epilog): New function, split out from...
5023 (vect_create_epilog_for_reduction): ... here.
5024 (vect_transform_cycle_phi): Reduce the re-used accumulator
5025 to the new vector type.
5027 2021-07-14 Alexandre Oliva <oliva@adacore.com>
5029 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
5030 non-'t'-sized arg check.
5032 2021-07-14 Alexandre Oliva <oliva@adacore.com>
5034 * tree-cfg.c (cleanup_dead_labels_eh): Update
5035 post_landing_pad label upon change of landing pad block's
5037 (cleanup_dead_labels): Check that a removed label is not that
5040 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
5042 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
5044 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
5045 Add Neon to general purpose register case for zero-extend
5047 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
5048 case to prevent some cases opting to go through memory.
5049 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
5050 * rtl.c (rtvec_series_p): Define predicate to determine
5051 whether a vector contains a linear series of integers.
5052 * rtl.h (rtvec_series_p): Define.
5053 * rtlanal.c (vec_series_lowpart_p): Define predicate to
5054 determine if a vector selection is equivalent to the low part
5056 * rtlanal.h (vec_series_lowpart_p): Define.
5057 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
5058 Add vec_select -> subreg simplification.
5060 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
5062 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
5063 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
5064 _mm_test_mix_ones_zeros): New.
5066 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
5067 Richard Biener <rguenther@suse.de>
5069 * gimple.c (gimple_could_trap_p_1): Make S argument a
5070 "const gimple*". Preserve constness in call to
5071 gimple_asm_volatile_p.
5072 (gimple_could_trap_p): Make S argument a "const gimple*".
5073 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
5074 Update function prototypes.
5076 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5078 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
5079 (_loop_vec_info::main_loop_edge): New field.
5080 (_loop_vec_info::skip_main_loop_edge): Likewise.
5081 (_loop_vec_info::skip_this_loop_edge): Likewise.
5082 (_loop_vec_info::reusable_accumulators): Likewise.
5083 (_stmt_vec_info::reduc_scalar_results): Likewise.
5084 (_stmt_vec_info::reused_accumulator): Likewise.
5085 (vect_get_main_loop_result): Declare.
5086 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
5087 reduc_scalar_inputs.
5088 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
5089 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
5090 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
5091 skip_main_loop_edge and skip_this_loop_edge fields.
5092 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
5093 (vect_emit_reduction_init_stmts): New function.
5094 (get_initial_def_for_reduction): Use it.
5095 (get_initial_defs_for_reduction): Likewise. Change the vinfo
5096 parameter to a loop_vec_info.
5097 (vect_create_epilog_for_reduction): Store the scalar results
5098 in the reduc_info. If an epilogue loop is reusing an accumulator
5099 from the main loop, and if the epilogue loop can also be skipped,
5100 try to place the reduction code in the join block. Record
5101 accumulators that could potentially be reused by epilogue loops.
5102 (vect_transform_cycle_phi): When vectorizing epilogue loops,
5103 try to reuse accumulators from the main loop. Record the initial
5104 value in reduc_info for non-SLP reductions too.
5106 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5108 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
5109 adjustment handling. Take the neutral value as an argument,
5110 in place of the code argument.
5111 (vect_transform_cycle_phi): Update accordingly. Handle the
5112 initial values of cond reductions separately from code reductions.
5113 Choose the adjustment here rather than in
5114 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
5116 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5118 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
5119 (neutral_op_for_reduction): ...this, providing a more general
5121 (vect_create_epilog_for_reduction): Update accordingly.
5122 (vectorizable_reduction): Likewise.
5123 (vect_transform_cycle_phi): Likewise.
5125 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5127 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
5128 reduc_info instead of the original stmt_vec_info.
5129 (vect_transform_cycle_phi): Update accordingly.
5131 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5133 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
5134 reduc_info as an additional parameter.
5135 (vect_transform_cycle_phi): Update accordingly.
5137 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5139 * tree-vectorizer.h: Include tree-ssa-operands.h.
5140 (vect_phi_initial_value): New function.
5141 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
5142 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
5143 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
5144 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
5146 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5148 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
5149 the phi results to vectype after creating them. Remove later
5150 conversion code that thus becomes redundant.
5152 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5154 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
5155 the new_phis vector with a reduc_inputs vector. Combine handling
5156 of reduction chains and ncopies > 1.
5158 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5160 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
5161 scalar_results to group_size elements after reducing down from
5162 N*group_size elements. Construct an array_slice of the live-out
5163 stmts and assert that there is one stmt per scalar result.
5165 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5167 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5168 nested_in_vect_loop and use double_reduc everywhere. Remove dead
5169 assignment to "loop".
5171 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5173 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
5174 vector types first. For scalar types, consider both the preferred
5175 vector mode and the alternative vector modes.
5176 * optabs-query.c (can_vec_mask_load_store_p): Use the same
5177 structure as above, in particular using related_vector_mode
5178 for modes provided by autovectorize_vector_modes.
5180 2021-07-13 Jakub Jelinek <jakub@redhat.com>
5181 Richard Biener <rguenther@suse.de>
5183 PR tree-optimization/101419
5184 * tree-pass.h (PROP_objsz): Define.
5185 (make_pass_early_object_sizes): Declare.
5186 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
5187 there to pass_early_object_sizes, drop parameter.
5188 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
5189 drop parameter, move pass_post_ipa_warn right after that.
5190 * tree-object-size.c (pass_object_sizes::execute): Rename to...
5191 (object_sizes_execute): ... this. Add insert_min_max_p argument.
5192 (pass_data_object_sizes): Move after object_sizes_execute.
5193 (pass_object_sizes): Likewise. In execute method call
5194 object_sizes_execute, drop set_pass_param method and insert_min_max_p
5195 non-static data member and its initializer in the ctor.
5196 (pass_data_early_object_sizes, pass_early_object_sizes,
5197 make_pass_early_object_sizes): New.
5198 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
5199 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
5201 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
5204 * config/riscv/constraints.md ("S"): Update description and remove
5206 * doc/md.texi (Machine Constraints): Document the 'S' constraints
5209 2021-07-13 Richard Biener <rguenther@suse.de>
5212 2021-07-12 Richard Biener <rguenther@suse.de>
5214 * tree-vect-slp.c (vect_slp_region): Show the number of
5215 SLP graph entries in the optimization message.
5217 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
5219 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
5221 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
5222 return type to long.
5223 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
5226 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
5228 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
5229 Query relation between the 2 operands and use it.
5231 2021-07-12 Sergei Trofimovich <siarheit@google.com>
5233 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
5235 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
5238 * config/i386/predicates.md (vec_setm_sse41_operand):
5239 Rename from vec_setm_operand.
5240 (vec_setm_avx2_operand): New predicate.
5241 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
5242 Use vec_setm_sse41_operand as operand 2 predicate.
5243 (vec_set<V_256_512:mode): New expander.
5244 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
5245 as operand 2 predicate.
5247 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
5249 PR tree-optimization/101335
5250 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
5252 2021-07-12 Andrew Pinski <apinski@marvell.com>
5254 * tree-ssa-phiopt.c (match_simplify_replacement): Move
5255 insert of the sequence before the movement of the
5256 statement. Check if to see if the statement is used
5257 outside of the original phi to see if we should move it.
5259 2021-07-12 Richard Biener <rguenther@suse.de>
5261 * dump-context.h (debug_dump_context::debug_dump_context):
5262 Add FILE * parameter defaulted to stderr.
5263 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
5264 * tree-vect-slp.c (dot_slp_tree): New functions.
5266 2021-07-12 Richard Biener <rguenther@suse.de>
5268 PR tree-optimization/101373
5269 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
5270 references when the BB may not return.
5271 (compute_avail): Pass in the function we're working on and
5272 replace cfun references with it. Externally throwing
5273 const calls also possibly terminate the function.
5274 (pass_pre::execute): Pass down the function we're working on.
5275 * gcse.c (compute_hash_table_work): Externally throwing
5276 const/pure calls also need record_last_mem_set_info.
5277 * postreload-gcse.c (record_opr_changes): Looping or externally
5278 throwing const/pure calls also need record_last_mem_set_info.
5280 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
5282 * recog.c (memory_address_addr_space_p): Change the type to bool.
5283 Return true/false instead of 1/0.
5284 (offsettable_memref_p): Ditto.
5285 (offsettable_nonstrict_memref_p): Ditto.
5286 (offsettable_address_addr_space_p): Ditto.
5287 Change the type of addressp indirect function to bool.
5288 * recog.h (memory_address_addr_space_p): Change the type to bool.
5289 (strict_memory_address_addr_space_p): Ditto.
5290 (offsettable_memref_p): Ditto.
5291 (offsettable_nonstrict_memref_p): Ditto.
5292 (offsettable_address_addr_space_p): Ditto.
5293 * reload.c (maybe_memory_address_addr_space_p): Ditto.
5294 (strict_memory_address_addr_space_p): Change the type to bool.
5295 Return true/false instead of 1/0.
5296 (maybe_memory_address_addr_space_p): Change the type to bool.
5298 2021-07-12 Richard Biener <rguenther@suse.de>
5300 * tree-vect-slp.c (vect_slp_region): Show the number of
5301 SLP graph entries in the optimization message.
5303 2021-07-12 Richard Biener <rguenther@suse.de>
5305 PR tree-optimization/101394
5306 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
5307 copies from abnormals for a full redundancy.
5309 2021-07-12 Richard Biener <rguenther@suse.de>
5311 PR middle-end/101423
5312 * gimple.c (gimple_could_trap_p_1): Internal function calls
5314 * tree-eh.c (tree_could_trap_p): Likewise.
5316 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5319 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
5321 (vmulq_n_u32): Likewise.
5322 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
5323 (vmulq_n_f32): Likewise.
5324 (vmul_n_f16): Likewise.
5325 (vmulq_n_f16): Likewise.
5327 2021-07-12 Martin Liska <mliska@suse.cz>
5330 * gcc.c (check_offload_target_name): Call
5331 candidates_list_and_hint only if we have a candidate.
5333 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5336 * config/arm/neon.md (vec_init): Move to ...
5337 * config/arm/vec-common.md (vec_init): ... here.
5338 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
5340 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
5342 PR tree-optimization/101403
5343 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
5344 signedness of the shift is not the same as the signedness of
5347 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
5348 Uroš Bizjak <ubizjak@gmail.com>
5350 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
5351 divmod of a constant numerator with new define_insn_and_split.
5353 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
5356 * config/i386/i386-expand.c (ix86_expand_call): If a call is
5357 to a non-local-binding, or local but to a public symbol, then
5358 assume that it might be indirected via the lazy symbol binder.
5359 Mark R10 and R10 as clobbered in that case.
5361 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
5364 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
5365 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
5366 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
5368 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
5370 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
5371 log2 range of operands[3] to [1,31].
5372 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
5374 2021-07-09 Sergei Trofimovich <siarheit@google.com>
5376 * doc/md.texi: Don't split @smallexample in multiple @groups.
5378 2021-07-09 Sergei Trofimovich <siarheit@google.com>
5380 * doc/md.texi: Add missing 'see' word.
5382 2021-07-09 Andrew Pinski <apinski@marvell.com>
5384 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
5385 to take sequence and gimple_match_op. Accept the case where
5386 op is a SSA_NAME and one statement in the sequence.
5387 Also allow constants.
5388 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
5389 Update call to phiopt_early_allow. Discard the sequence if not
5392 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
5397 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
5398 instead of ISA_HAS_MSA.
5399 (mips_expand_vec_unpack): Likewise.
5400 (mips_expand_vector_init): Likewise.
5402 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
5404 * config/rs6000/vsx.md (mods_<mode>): Rename to...
5405 (mod<mode>3): ... this.
5406 (modu_<mode>): Rename to...
5407 (umod<mode>3): ... this.
5408 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
5411 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
5413 * config/h8300/shiftrotate.md (variable shifts): Expose condition
5414 code handling for the test before the loop.
5416 2021-07-08 Martin Jambor <mjambor@suse.cz>
5419 * ipa-sra.c (class isra_call_summary): New member
5420 m_before_any_store, initialize it in the constructor.
5421 (isra_call_summary::dump): Dump the new field.
5422 (ipa_sra_call_summaries::duplicate): Copy it.
5423 (process_scan_results): Set it.
5424 (isra_write_edge_summary): Stream it.
5425 (isra_read_edge_summary): Likewise.
5426 (param_splitting_across_edge): Only override
5427 safe_to_import_accesses if m_before_any_store is set.
5429 2021-07-08 Martin Sebor <msebor@redhat.com>
5432 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
5433 Use Object Size Type 0 instead of 1.
5435 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
5437 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
5440 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
5442 * match.pd: Simplify an extend-operate-truncate sequence involving
5445 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
5446 Richard Biener <rguenther@suse.de>
5448 PR tree-optimization/40210
5449 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
5450 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
5451 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
5453 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
5456 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
5458 * config/i386/mmx.md (V_32): New mode iterator.
5459 (mov<V_32:mode>): Use V_32 mode iterator.
5460 (*mov<V_32:mode>_internal): Ditto.
5461 (*push<V_32:mode>2_rex64): Ditto.
5462 (*push<V_32:mode>2): Ditto.
5463 (movmisalign<V_32:mode>): Ditto.
5464 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
5465 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
5466 (vec_unpacks_lo_v4qi): New expander.
5467 (vec_unpacks_hi_v4qi): Ditto.
5468 (vec_unpacku_lo_v4qi): Ditto.
5469 (vec_unpacku_hi_v4qi): Ditto.
5470 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
5471 (VALID_INT_MODE_P): Ditto.
5473 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
5476 * config/rs6000/rs6000.md (udivti3): New insn.
5478 (umodti3): New insn.
5481 2021-07-07 Martin Sebor <msebor@redhat.com>
5483 PR tree-optimization/100137
5484 PR tree-optimization/99121
5485 PR tree-optimization/97027
5486 * builtins.c (access_ref::access_ref): Also set offmax.
5487 (access_ref::offset_in_range): Define new function.
5488 (access_ref::add_offset): Set offmax.
5489 (access_ref::inform_access): Handle access_none.
5490 (handle_mem_ref): Clear ostype.
5491 (compute_objsize_r): Handle ASSERT_EXPR.
5492 * builtins.h (struct access_ref): Add offmax member.
5493 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
5494 compute_objsize() and simplify.
5496 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
5498 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
5499 and VSX_BUILTIN_STXVP.
5501 2021-07-07 Martin Sebor <msebor@redhat.com>
5504 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
5505 a stray %K from error_at() missed in r12-2088.
5507 2021-07-07 Richard Biener <rguenther@suse.de>
5509 PR tree-optimization/99728
5510 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
5512 (mem_refs_may_alias_p): Add assert we handled aggregate
5514 (sm_seq_valid_bb): Give up when running into aggregate copies.
5515 (ref_indep_loop_p): Handle aggregate copies as never
5516 being invariant themselves but allow other refs to be
5517 disambiguated against them.
5518 (can_sm_ref_p): Do not try to apply store-motion to aggregate
5521 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
5524 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
5527 2021-07-06 Martin Sebor <msebor@redhat.com>
5529 * gimple-pretty-print.c (percent_G_format): Remove.
5530 * tree-diagnostic.c (default_tree_printer): Remove calls.
5531 * tree-pretty-print.c (percent_K_format): Remove.
5532 * tree-pretty-print.h (percent_K_format): Remove.
5534 2021-07-06 Martin Sebor <msebor@redhat.com>
5536 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
5537 Remove %K and use error_at.
5538 (aarch64_expand_fcmla_builtin): Same.
5539 (aarch64_expand_builtin_tme): Same.
5540 (aarch64_expand_builtin_memtag): Same.
5541 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
5542 (arm_expand_builtin): Same.
5543 * config/arm/arm.c (bounds_check): Same.
5545 2021-07-06 Martin Sebor <msebor@redhat.com>
5547 * builtins.c (warn_string_no_nul): Remove %G.
5548 (maybe_warn_for_bound): Same.
5549 (warn_for_access): Same.
5550 (check_access): Same.
5551 (check_strncat_sizes): Same.
5552 (expand_builtin_strncat): Same.
5553 (expand_builtin_strncmp): Same.
5554 (expand_builtin): Same.
5555 (expand_builtin_object_size): Same.
5556 (warn_dealloc_offset): Same.
5557 (maybe_emit_free_warning): Same.
5558 * calls.c (maybe_warn_alloc_args_overflow): Same.
5559 (maybe_warn_nonstring_arg): Same.
5560 (maybe_warn_rdwr_sizes): Same.
5561 * expr.c (expand_expr_real_1): Remove %K.
5562 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
5563 (gimple_fold_builtin_strncat): Same.
5564 * gimple-ssa-sprintf.c (format_directive): Same.
5565 (handle_printf_call): Same.
5566 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
5567 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
5568 (maybe_diag_access_bounds): Same. Call gimple_location.
5569 (check_bounds_or_overlap): Same.
5570 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
5571 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
5572 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
5573 (maybe_diag_stxncpy_trunc): Same.
5574 (handle_builtin_stxncpy_strncat): Same.
5575 (maybe_warn_pointless_strcmp): Same.
5576 * tree-ssa-uninit.c (maybe_warn_operand): Same.
5578 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
5581 * config/i386/predicates.md (vec_setm_operand): Enable
5582 register_operand for TARGET_SSE4_1.
5583 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
5584 as operand 2 predicate. Call ix86_expand_vector_set_var
5585 for non-constant index operand.
5586 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
5587 Call ix86_expand_vector_set_var for non-constant index operand.
5589 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
5591 * config/h8300/jumpcall.md (*branch): When possible, generate
5592 the comparison in CCZN mode.
5593 * config/h8300/predicates.md (simple_memory_operand): Reject all
5594 auto-increment addressing modes.
5596 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
5599 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
5602 2021-07-06 Richard Biener <rguenther@suse.de>
5604 * doc/md.texi (vec_fmaddsub<mode>4): Document.
5605 (vec_fmsubadd<mode>4): Likewise.
5606 * optabs.def (vec_fmaddsub$a4): Add.
5607 (vec_fmsubadd$a4): Likewise.
5608 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
5609 (IFN_VEC_FMSUBADD): Likewise.
5610 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
5611 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
5612 (addsub_pattern::build): Likewise.
5613 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
5614 and CFN_VEC_FMSUBADD are not transparent for permutes.
5615 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
5616 (vec_fmsubadd<mode>4): Likewise.
5618 2021-07-06 Richard Biener <rguenther@suse.de>
5620 * doc/invoke.texi (fmove-loop-stores): Document.
5621 * common.opt (fmove-loop-stores): New option.
5622 * opts.c (default_options_table): Enable -fmove-loop-stores
5624 * tree-ssa-loop-im.c (pass_lim::execute): Pass
5625 flag_move_loop_stores instead of true to
5626 loop_invariant_motion_in_fun.
5628 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
5630 * doc/install.texi: Document --with-dsymutil.
5632 2021-07-06 Andrew Pinski <apinski@marvell.com>
5634 PR tree-optimization/101256
5635 * dbgcnt.def (phiopt_edge_range): New counter.
5636 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
5637 Check to make sure the new name is defined in the same
5638 bb as the conditional before duplicating range info.
5639 Also add debug counter.
5641 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
5643 PR rtl-optimization/100328
5644 * config/i386/i386-options.c (ix86_option_override_internal):
5645 Set param_ira_consider_dup_in_all_alts to 0.
5647 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
5649 PR rtl-optimization/100328
5650 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
5652 * ira.c (ira_get_dup_out_num): Adjust as parameter
5653 param_ira_consider_dup_in_all_alts.
5654 * params.opt (ira-consider-dup-in-all-alts): New.
5655 * ira-conflicts.c (process_regs_for_copy): Add one parameter
5656 single_input_op_has_cstr_p.
5657 (get_freq_for_shuffle_copy): New function.
5658 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
5659 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
5661 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
5663 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
5664 generate condition code aware RTL directly.
5666 2021-07-05 Andrew Pinski <apinski@marvell.com>
5668 PR tree-optimization/101039
5669 * match.pd (A CMP 0 ? A : -A): New patterns.
5670 * tree-ssa-phiopt.c (abs_replacement): Delete function.
5671 (tree_ssa_phiopt_worker): Don't call abs_replacement.
5672 Update comment about abs_replacement.
5674 2021-07-05 Andrew Pinski <apinski@marvell.com>
5676 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
5677 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
5679 2021-07-05 Andrew Pinski <apinski@marvell.com>
5681 * tree-ssa-phiopt.c (match_simplify_replacement):
5682 Add early_p argument. Call gimple_simplify_phiopt
5683 instead of gimple_simplify.
5684 (tree_ssa_phiopt_worker): Update call to
5685 match_simplify_replacement and allow unconditionally.
5686 (phiopt_early_allow): New function.
5687 (gimple_simplify_phiopt): New function.
5689 2021-07-05 Andrew Pinski <apinski@marvell.com>
5691 PR middle-end/101237
5692 * fold-const.c (negate_expr_p): Remove call to element_mode
5693 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
5694 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
5695 (fold_negate_expr_1): Likewise.
5696 (const_unop): Likewise.
5697 (fold_cond_expr_with_comparison): Likewise.
5698 (fold_binary_loc): Likewise.
5699 (fold_ternary_loc): Likewise.
5700 (tree_call_nonnegative_warnv_p): Likewise.
5701 * match.pd (-(A + B) -> (-B) - A): Likewise.
5703 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
5705 * configure.ac: Handle --with-dsymutil in the same way as we
5706 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
5707 Extract the type and version for the dsymutil configured or
5708 found by the default searches.
5709 * config.in: Regenerated.
5710 * configure: Regenerated.
5711 * collect2.c (do_dsymutil): Handle locating dsymutil in the
5712 same way as for the assembler and linker.
5713 * config/darwin.h (DSYMUTIL): Delete.
5714 * gcc.c: Report a configured dsymutil correctly.
5715 * exec-tool.in: Allow for dsymutil.
5717 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
5719 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
5720 Handle V4QI and V2HI modes.
5721 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
5722 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
5723 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
5724 Handle 4-byte dual operands with TARGET_XOP and single operands
5725 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
5726 mmx_pshufbv4qi3 for TARGET_SSSE3.
5727 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
5728 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
5729 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
5730 (expand_vec_perm_even_odd_1): Handle V4QI mode.
5731 (expand_vec_perm_broadcast_1): Handle V4QI mode.
5732 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
5733 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
5734 (mmx_pshufbv4qi3): Ditto.
5735 (*mmx_pblendw32): Ditto.
5736 (*mmx_pblendw64): Rename from *mmx_pblendw.
5737 (mmx_punpckhbw_low): New insn_and_split pattern.
5738 (mmx_punpcklbw_low): Ditto.
5740 2021-07-05 Richard Biener <rguenther@suse.de>
5742 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
5743 set LOOP_C_INFINITE on the vectorized loop.
5745 2021-07-05 Richard Biener <rguenther@suse.de>
5747 PR middle-end/101291
5748 * cfgloopmanip.c (loop_version): Set the loop copy of the
5749 versioned loop to the new loop.
5751 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
5754 * config.gcc: Ensure that Darwin biarch definitions are
5755 added before i386.h.
5756 * config/i386/darwin.h (TARGET_64BIT): Remove.
5757 (PR80556_WORKAROUND): New.
5758 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
5759 (DARWIN_SUBARCH_SPEC): New.
5760 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
5761 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
5762 (REAL_LIBGCC_SPEC): Remove.
5763 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
5764 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
5765 (REAL_LIBGCC_SPEC): Remove.
5767 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
5769 PR middle-end/101294
5770 * expr.c (store_constructor): Don't use vec_duplicate on vector.
5772 2021-07-02 Martin Sebor <msebor@redhat.com>
5776 * diagnostic.c (get_any_inlining_info): New.
5777 (update_effective_level_from_pragmas): Handle inlining context.
5778 (diagnostic_enabled): Same.
5779 (diagnostic_report_diagnostic): Same.
5780 * diagnostic.h (struct diagnostic_info): Add ctor.
5781 (struct diagnostic_context): Add new member.
5782 * tree-diagnostic.c (set_inlining_locations): New.
5783 (tree_diagnostics_defaults): Set new callback pointer.
5785 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
5787 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
5789 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
5790 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
5791 lxvp and stxvp built-ins.
5792 (mma_init_builtins): Handle lxvp and stxvp built-ins.
5793 (builtin_function_type): Likewise.
5794 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
5796 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
5798 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
5799 additional argument for the code.
5800 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
5801 argument for the code. Just return if the ZN bits are useful or
5802 not rather than the old style CC_* enums.
5803 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
5804 more generic shiftqi patterns.
5805 (shifthi_noscratch, shiftsi_noscratch): Similarly.
5806 (shiftqi_noscratch_set_flags): New pattern.
5807 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
5809 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
5811 PR tree-optimization/101223
5812 * range-op.cc (build_lt): Add -1 for signed values.
5813 (built_gt): Subtract -1 for signed values.
5815 2021-07-02 David Faust <david.faust@oracle.com>
5817 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
5818 (btf_asm_type): Likewise.
5820 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
5822 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
5823 an array of rtx rather than a pointer to rtx. Add code argument.
5824 (compute_a_shift_length): Similarly.
5825 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
5826 shift itself isn't an operand. Create dummy operand[0] to carry
5827 a mode and pass a suitable rtx code to compute_a_shift_length.
5828 (get_shift_alg): Adjust operand number of clobber in output templates.
5829 (output_a_shift): Make first argument an array of rtx rather than
5830 a pointer to rtx. Add code argument for the type of shift.
5831 Adjust now that the shift itself is no longer an operand.
5832 (compute_a_shift_length): Similarly.
5833 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
5834 iterator rather than nshift_operator.
5835 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
5836 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
5837 and compute_a_shift_length.
5838 (shiftqi_noscratch_clobber_flags): Likewise.
5839 (shifthi_noscratch_clobber_flags): Likewise.
5840 (shiftsi_noscratch_clobber_flags): Likewise.
5842 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
5845 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
5846 dsymutil for BTF/CTF.
5848 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
5851 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
5852 segment to include BTF.
5853 (BTF_INFO_SECTION_NAME): New.
5855 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
5857 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
5858 (small_data_operand, memreg_operand, small_insn_p): Likewise.
5859 * config/m32r/m32r.c (call_operand): Adjust return type.
5860 (small_data_operand, memreg_operand): Likewise.
5862 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
5864 * config/frv/frv-protos.h (integer_register_operand): Adjust return
5866 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
5867 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
5868 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
5869 (move_source_operand, move_destination_operand): Likewise.
5870 (condexec_source_operand, condexec_dest_operand): Likewise.
5871 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
5872 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
5873 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
5874 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
5875 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
5876 (even_fpr_operand, odd_fpr_operand): Likewise.
5877 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
5878 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
5879 (uint4_operand, uint1_operand, int_2word_operand): Likewise
5880 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
5881 (relational_operator, float_relational_operator): Likewise.
5882 (ccr_eqne_operator, minmax_operator): Likewise.
5883 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
5884 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
5885 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
5886 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
5887 (quad_acc_operand, accg_operand): Likewise.
5889 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
5891 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
5892 return type to a bool.
5893 (nonimmediate_nonstack_operand): Likewise.
5894 (xstormy16_splittable_below100_operand): Likewise.
5895 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
5897 (xstormy16_splittable_below100_operand): Likewise.
5899 2021-07-02 Richard Biener <rguenther@suse.de>
5901 PR tree-optimization/101293
5902 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
5903 with combined offsets.
5904 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
5905 combined with the rest of the offset.
5907 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
5909 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
5910 PIC encodings for PE-COFF targets.
5912 2021-07-02 Jakub Jelinek <jakub@redhat.com>
5915 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
5916 Return nullptr for TImode inner mode.
5918 2021-07-02 Richard Biener <rguenther@suse.de>
5920 PR tree-optimization/101280
5921 PR tree-optimization/101173
5922 * gimple-loop-interchange.cc
5923 (tree_loop_interchange::valid_data_dependences): Properly
5924 guard all dependence checks with DDR_REVERSED_P or its
5927 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
5929 * config/i386/i386-expand.c (ix86_expand_builtin):
5930 Add branch to clear odata when ZF is set for asedecenc_expand
5931 and wideaesdecenc_expand.
5933 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
5935 * config/i386/gcc-auto-profile: regenerate
5937 2021-07-02 liuhongt <hongtao.liu@intel.com>
5939 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
5940 (trunc<mode><pmov_dst_4_lower>2): this.
5942 2021-07-01 David Malcolm <dmalcolm@redhat.com>
5944 * diagnostic.h (diagnostic_context::m_file_cache): New field.
5945 * input.c (class fcache): Rename to...
5946 (class file_cache_slot): ...this, making most members private and
5947 prefixing fields with "m_".
5948 (file_cache_slot::get_file_path): New accessor.
5949 (file_cache_slot::get_use_count): New accessor.
5950 (file_cache_slot::missing_trailing_newline_p): New accessor.
5951 (file_cache_slot::inc_use_count): New.
5952 (fcache_buffer_size): Move to...
5953 (file_cache_slot::buffer_size): ...here.
5954 (fcache_line_record_size): Move to...
5955 (file_cache_slot::line_record_size): ...here.
5956 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
5957 (fcache_tab_size): Move to file_cache::num_file_slots.
5958 (diagnostic_file_cache_init): Update for move of fcache_tab
5959 to global_dc->m_file_cache.
5960 (diagnostic_file_cache_fini): Likewise.
5961 (lookup_file_in_cache_tab): Convert to...
5962 (file_cache::lookup_file): ...this.
5963 (diagnostics_file_cache_forcibly_evict_file): Update for move of
5964 fcache_tab to global_dc->m_file_cache, moving most of
5965 implementation to...
5966 (file_cache::forcibly_evict_file): ...this new function and...
5967 (file_cache_slot::evict): ...this new function.
5968 (evicted_cache_tab_entry): Convert to...
5969 (file_cache::evicted_cache_tab_entry): ...this.
5970 (add_file_to_cache_tab): Convert to...
5971 (file_cache::add_file): ...this, moving bulk of implementation
5973 (file_cache_slot::create): ..this new function.
5974 (file_cache::file_cache): New.
5975 (file_cache::~file_cache): New.
5976 (lookup_or_add_file_to_cache_tab): Convert to...
5977 (file_cache::lookup_or_add_file): ..this new function.
5978 (fcache::fcache): Rename to...
5979 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
5981 (fcache::~fcache): Rename to...
5982 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
5984 (needs_read): Convert to...
5985 (file_cache_slot::needs_read_p): ...this.
5986 (needs_grow): Convert to...
5987 (file_cache_slot::needs_grow_p): ...this.
5988 (maybe_grow): Convert to...
5989 (file_cache_slot::maybe_grow): ...this.
5990 (read_data): Convert to...
5991 (file_cache_slot::read_data): ...this.
5992 (maybe_read_data): Convert to...
5993 (file_cache_slot::maybe_read_data): ...this.
5994 (get_next_line): Convert to...
5995 (file_cache_slot::get_next_line): ...this.
5996 (goto_next_line): Convert to...
5997 (file_cache_slot::goto_next_line): ...this.
5998 (read_line_num): Convert to...
5999 (file_cache_slot::read_line_num): ...this.
6000 (location_get_source_line): Update for moving of globals to
6001 global_dc->m_file_cache.
6002 (location_missing_trailing_newline): Likewise.
6003 * input.h (class file_cache_slot): New forward decl.
6004 (class file_cache): New.
6006 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
6008 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
6009 128-bit floating point conditional move support.
6010 (have_compare_and_set_mask): Add IEEE 128-bit floating point
6012 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
6013 (mov<mode>cc_p10, IEEE128 iterator): New insn.
6014 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
6015 (fpmask<mode>, IEEE128 iterator): New insn.
6016 (xxsel<mode>, IEEE128 iterator): New insn.
6018 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
6021 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
6023 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
6025 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
6027 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
6029 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
6030 (vec_duplicate<mode>): New expander.
6032 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
6035 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
6037 (ix86_byte_broadcast): New function.
6038 (ix86_convert_const_wide_int_to_broadcast): Likewise.
6039 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
6040 size is 16 bytes or bigger.
6041 (ix86_broadcast_from_integer_constant): New function.
6042 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
6043 to broadcast if mode size is 16 bytes or bigger.
6044 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
6046 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
6048 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6050 * config/i386/predicates.md (ix86_endbr_immediate_operand):
6051 Return true/false instead of 1/0.
6052 (movq_parallel): Ditto.
6054 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6056 * recog.c (general_operand): Return true/false instead of 1/0.
6057 (register_operand): Ditto.
6058 (immediate_operand): Ditto.
6059 (const_int_operand): Ditto.
6060 (const_scalar_int_operand): Ditto.
6061 (const_double_operand): Ditto.
6062 (push_operand): Ditto.
6063 (pop_operand): Ditto.
6064 (memory_operand): Ditto.
6065 (indirect_operand): Ditto.
6067 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6069 * genpreds.c (write_predicate_subfunction):
6070 Change the type of written subfunction to bool.
6071 (write_one_predicate_function):
6072 Change the type of written function to bool.
6073 (write_tm_preds_h): Ditto.
6074 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
6075 * recog.c (general_operand): Change the type to bool.
6076 (address_operand): Ditto.
6077 (register_operand): Ditto.
6078 (pmode_register_operand): Ditto.
6079 (scratch_operand): Ditto.
6080 (immediate_operand): Ditto.
6081 (const_int_operand): Ditto.
6082 (const_scalar_int_operand): Ditto.
6083 (const_double_operand): Ditto.
6084 (nonimmediate_operand): Ditto.
6085 (nonmemory_operand): Ditto.
6086 (push_operand): Ditto.
6087 (pop_operand): Ditto.
6088 (memory_operand): Ditto.
6089 (indirect_operand): Ditto.
6090 (ordered_comparison_operator): Ditto.
6091 (comparison_operator): Ditto.
6092 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
6093 Change the type of indirect predicate function to bool.
6094 * config/rs6000/rs6000.c (easy_vector_constant):
6095 Change the type to bool.
6096 * config/mips/mips-protos.h (m16_based_address_p):
6097 Change the type of operand 3 to bool.
6099 2021-07-01 Richard Biener <rguenther@suse.de>
6101 PR tree-optimization/101280
6102 PR tree-optimization/101173
6103 * gimple-loop-interchange.cc
6104 (tree_loop_interchange::valid_data_dependences): Revert
6105 previous change and instead correctly handle DDR_REVERSED_P
6108 2021-07-01 Richard Biener <rguenther@suse.de>
6110 PR tree-optimization/101278
6111 * tree-ssa-dse.c (dse_classify_store): First check for
6112 uses, then ignore stmt for chaining purposes.
6114 2021-07-01 Richard Biener <rguenther@suse.de>
6116 PR tree-optimization/100778
6117 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
6118 vectorized ops ahead of their scalar BB.
6120 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6123 * config/i386/i386.md (*nabs<dwi>2_doubleword):
6124 New insn_and_split pattern.
6125 (*nabs<dwi>2_1): Ditto.
6126 * config/i386/i386-features.c
6127 (general_scalar_chain::compute_convert_gain):
6128 Handle (NEG (ABS (...))) RTX. Rewrite src code
6129 scanner as switch statement.
6130 (general_scalar_chain::convert_insn):
6131 Handle (NEG (ABS (...))) RTX.
6132 (general_scalar_to_vector_candidate_p):
6133 Detect (NEG (ABS (...))) RTX. Reorder case statements
6134 for (AND (NOT (...) ...)) fallthrough.
6136 2021-07-01 Richard Biener <rguenther@suse.de>
6138 PR tree-optimization/101178
6139 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
6140 (slpg::perm_in): Add.
6141 (slpg::get_perm_in): Remove.
6142 (slpg::get_perm_materialized): Add.
6143 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
6144 during permute propagation and materialization.
6146 2021-07-01 Jakub Jelinek <jakub@redhat.com>
6149 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
6151 2021-07-01 Jakub Jelinek <jakub@redhat.com>
6154 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
6155 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
6156 use boolean_type_node instead of integer_type_node as NE_EXPR type.
6157 (lower_reduction_clauses): Likewise.
6159 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6161 * config/gcn/gcn.c: Include dwarf2.h.
6162 (gcn_addr_space_debug): New function.
6163 (TARGET_ADDR_SPACE_DEBUG): New hook.
6165 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6167 * common/config/gcn/gcn-common.c
6168 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
6169 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
6171 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
6172 (gcn_frame_pointer_rqd): New function.
6173 (TARGET_FRAME_POINTER_REQUIRED): New hook.
6175 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6177 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
6178 prologue register saves.
6179 (gcn_debug_unwind_info): Use UI_DWARF2.
6180 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
6181 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
6182 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
6183 (DWARF_LINK_REGISTER): New define.
6184 (FIRST_PSEUDO_REGISTER): Increment.
6185 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
6186 (CALL_USED_REGISTERS): Likewise.
6187 (REGISTER_NAMES): Likewise.
6189 2021-06-30 Richard Biener <rguenther@suse.de>
6191 PR tree-optimization/101267
6192 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
6193 API and use SLP compatible interface of vect_is_simple_use.
6194 Reject not vectorized SLP defs for callers that do not support
6196 (vect_check_store_rhs): Handle masked stores and pass down
6197 the appropriate operator index.
6198 (vectorizable_call): Adjust.
6199 (vectorizable_store): Likewise.
6200 (vectorizable_load): Likewise. Handle SLP pecularity of
6202 (vect_is_simple_use): Remove special-casing of masked stores.
6204 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
6206 * common.opt (foffload): Remove help as Driver only.
6207 * gcc.c (display_help): Add -foffload.
6209 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
6211 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
6212 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
6213 a candidate list; better inform no offload target is configured
6214 and fix hint extraction when passed target is not '\0' at [len].
6215 * common.opt (foffload): Add tailing '.'.
6216 (foffload-options): Likewise; fix flag name in the help string.
6218 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
6221 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
6222 (vcage_f32): Gate comparison on __FAST_MATH__.
6223 (vcageq_f32): Likewise.
6224 (vcale_f32): Likewise.
6225 (vcaleq_f32): Likewise.
6226 (vcagt_f32): Likewise.
6227 (vcagtq_f32): Likewise.
6228 (vcalt_f32): Likewise.
6229 (vcaltq_f32): Likewise.
6230 (vcage_f16): Likewise.
6231 (vcageq_f16): Likewise.
6232 (vcale_f16): Likewise.
6233 (vcaleq_f16): Likewise.
6234 (vcagt_f16): Likewise.
6235 (vcagtq_f16): Likewise.
6236 (vcalt_f16): Likewise.
6237 (vcaltq_f16): Likewise.
6239 2021-06-30 Richard Biener <rguenther@suse.de>
6241 PR tree-optimization/101264
6242 * tree-vect-slp.c (vect_optimize_slp): Propagate the
6243 computed perm_in to all "any" permute successors
6244 we cannot de-duplicate immediately.
6246 2021-06-30 liuhongt <hongtao.liu@intel.com>
6249 * config/i386/sse.md
6250 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
6252 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
6254 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
6255 * config/i386/subst.md (maskz_scalar): New define_subst.
6256 (maskz_scalar_name): New subst_attr.
6257 (maskz_scalar_op5): Ditto.
6258 (round_saeonly_maskz_scalar_op5): Ditto.
6259 (round_saeonly_maskz_scalar_operand5): Ditto.
6261 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
6263 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
6264 Increase code CSECT alignment to at least 32 bytes.
6265 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
6266 alignment designation.
6268 2021-06-29 Sergei Trofimovich <siarheit@google.com>
6270 * doc/generic.texi: Fix s/net yet/not yet/ typo.
6272 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6274 PR tree-optimization/101254
6275 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
6276 wrapping/non-wrapping when setting the result range.
6278 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6280 * value-query.cc (gimple_range_global): Allow phis.
6282 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6284 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
6285 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
6286 statement for location context.
6287 (check_for_binary_op_overflow): Ditto.
6288 (simplify_using_ranges::get_vr_for_comparison): Ditto.
6289 (simplify_using_ranges::compare_name_with_value): Ditto.
6290 (simplify_using_ranges::compare_names): Ditto.
6291 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
6292 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
6293 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
6294 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
6295 (simplify_using_ranges::two_valued_val_range_p): Ditto.
6296 (simplify_using_ranges::simplify): Ditto.
6297 * vr-values.h: Adjust prototypes.
6299 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
6302 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
6304 2021-06-29 Julian Brown <julian@codesourcery.com>
6306 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
6307 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
6308 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
6310 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
6311 (MAX_FIXED_MODE_SIZE): Change to 128.
6313 2021-06-29 Julian Brown <julian@codesourcery.com>
6315 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
6316 (s_mnemonic): Add clrsb.
6317 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
6318 (clrsb<mode>2): Add expander for SImode/DImode.
6320 2021-06-29 Julian Brown <julian@codesourcery.com>
6322 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
6323 muldi3): Add patterns.
6325 2021-06-29 Julian Brown <julian@codesourcery.com>
6327 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
6328 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
6330 2021-06-29 Julian Brown <julian@codesourcery.com>
6332 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
6334 2021-06-29 Joseph Myers <joseph@codesourcery.com>
6336 * btfout.c, ctfout.c: Include "memmodel.h".
6338 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6340 * gcc.c (check_offload_target_name): Cast len argument to
6341 %q.*s to 'int'; avoid -Wstringop-truncation warning.
6343 2021-06-29 Richard Biener <rguenther@suse.de>
6345 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
6346 to "any" permute nodes and relax "any" permute proapgation
6347 during iterative backward propagation.
6349 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6352 * common.opt (-foffload=): Update description.
6353 (-foffload-options=): New.
6354 * doc/invoke.texi (C Language Options): Document
6355 -foffload and -foffload-options.
6356 * gcc.c (check_offload_target_name): New, split off from
6357 handle_foffload_option.
6358 (check_foffload_target_names): New.
6359 (handle_foffload_option): Handle -foffload=default.
6360 (driver_handle_option): Update for -foffload-options.
6361 * lto-opts.c (lto_write_options): Use -foffload-options
6362 instead of -foffload.
6363 * lto-wrapper.c (merge_and_complain, append_offload_options):
6365 * opts.c (common_handle_option): Likewise.
6367 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6369 * doc/invoke.texi (C Language Options): Sort options
6370 alphabetically in optlist and also the description itself.
6371 Remove leftover -fallow-single-precision from and add missing
6372 -fgnu-tm to the optlist.
6374 2021-06-29 Richard Biener <rguenther@suse.de>
6376 * tree-vect-slp.c (slpg_vertex::visited): Remove.
6377 (vect_slp_perms_eq): Handle -1 permutes.
6378 (vect_optimize_slp): Rewrite permute propagation.
6380 2021-06-29 Jakub Jelinek <jakub@redhat.com>
6383 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
6384 perform the optimization in GENERIC when sanitizing and x has a
6387 2021-06-29 Richard Biener <rguenther@suse.de>
6389 PR tree-optimization/101242
6390 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
6391 PHIs with not represented initial values as leafs.
6393 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
6395 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
6396 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
6398 (pdp11_initial_elimination_offset) Remove unused variable.
6399 (pdp11_cmp_length) Ditto.
6400 (pdp11_insn_cost): Ditto, and fix signedness warning.
6402 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
6404 * btfout.c: Include tm_p.h.
6407 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6409 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
6411 (bpf_expand_epilogue): Likewise.
6412 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
6413 Do not define DBX_DEBUGGING_INFO.
6415 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6417 * doc/invoke.texi: Document the CTF and BTF debug info options.
6419 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6420 David Faust <david.faust@oracle.com>
6421 Jose E. Marchesi <jose.marchesi@oracle.com>
6422 Weimin Pan <weimin.pan@oracle.com>
6424 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
6425 GTFILES. Add new object files.
6426 * common.opt: Add CTF and BTF debug info options.
6427 * btfout.c: New file.
6430 * ctfout.c: Likewise.
6431 * dwarf2ctf.c: Likewise.
6432 * dwarf2ctf.h: Likewise.
6433 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
6435 * dwarf2out.c (dwarf2out_source_line): Likewise.
6436 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
6438 (debug_format_do_cu): New function.
6439 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
6441 Include dwarf2ctf.c.
6442 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
6444 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
6445 (CTF_DEBUG): New bitmask.
6446 (BTF_DEBUG): Likewise.
6447 (enum ctf_debug_info_levels): New enum.
6448 * gengtype.c (open_base_files): Handle ctfc.h.
6449 (main): Handle uint32_t type.
6450 * flags.h (btf_debuginfo_p): New definition.
6451 (dwarf_based_debuginfo_p): Likewise.
6452 * opts.c (debug_type_names): Add entries for CTF and BTF.
6453 (btf_debuginfo_p): New function.
6454 (dwarf_based_debuginfo_p): Likewise.
6455 (common_handle_option): Handle -gctfN and -gbtf options.
6456 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
6457 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
6460 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
6462 * dwarf2out.c (AT_class): Function is no longer static.
6464 (AT_unsigned): Likewise.
6467 (get_AT_string): Likewise.
6468 (get_AT_flag): Likewise.
6469 (get_AT_unsigned): Likewise.
6470 (get_AT_ref): Likewise.
6471 (new_die_raw): Likewise.
6472 (lookup_decl_die): Likewise.
6473 (base_type_die): Likewise.
6474 (add_name_attribute): Likewise.
6475 (add_AT_int): Likewise.
6476 (add_AT_unsigned): Likewise.
6477 (add_AT_loc): Likewise.
6478 (dw_get_die_tag): New function.
6479 (dw_get_die_child): Likewise.
6480 (dw_get_die_sib): Likewise.
6481 (struct dwarf_file_data): Move from here to dwarf2out.h
6482 (struct dw_attr_struct): Likewise.
6483 * dwarf2out.h: Analogous changes.
6485 2021-06-28 Martin Jambor <mjambor@suse.cz>
6488 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
6489 members m_dead_stmts and m_dead_ssas.
6490 * ipa-param-manipulation.c
6491 (ipa_param_body_adjustments::mark_dead_statements): New function.
6492 (ipa_param_body_adjustments::common_initialization): Call it on
6493 all removed but not split parameters.
6494 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
6496 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
6498 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
6499 dead debug statements.
6500 (copy_phis_for_bb): Do not copy dead PHI nodes.
6502 2021-06-28 Martin Jambor <mjambor@suse.cz>
6505 * symtab-clones.h (clone_info): Removed member param_adjustments.
6506 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
6507 deal with pass-through splits now.
6508 (ipa_param_performed_split): Removed.
6509 (ipa_param_adjustments::modify_call): Adjusted parameters.
6510 (class ipa_param_body_adjustments): Adjusted parameters of
6511 register_replacement, modify_gimple_stmt and modify_call_stmt.
6512 (ipa_verify_edge_has_no_modifications): Declare.
6513 (ipa_edge_modifications_finalize): Declare.
6514 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
6515 performed_splits processing, pas only edge to padjs->modify_call,
6516 check that call arguments were not modified if they should not have
6518 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
6520 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
6521 (ipa_edge_modification_info): Likewise.
6522 (ipa_edge_modification_sum): Likewise.
6523 (ipa_edge_modifications): New edge summary.
6524 (ipa_verify_edge_has_no_modifications): New function.
6525 (transitive_split_p): Removed.
6526 (transitive_split_map): Likewise.
6527 (init_transitive_splits): Likewise.
6528 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
6529 summary instead of performed_splits.
6530 (ipa_param_body_adjustments::register_replacement): Drop dummy
6531 parameter, set base_index of the created ipa_param_body_replacement.
6532 (phi_arg_will_live_p): New function.
6533 (ipa_param_body_adjustments::common_initialization): Do not create
6534 IPA_SRA dummy decls.
6535 (simple_tree_swap_info): Removed.
6536 (remap_split_decl_to_dummy): Likewise.
6537 (record_argument_state_1): New function.
6538 (record_argument_state): Likewise.
6539 (ipa_param_body_adjustments::modify_call_stmt): New parameter
6540 orig_stmt. Do not work with dummy decls, save necessary info about
6541 changes to ipa_edge_modifications.
6542 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
6543 orig_stmt, pass it to modify_call_stmt.
6544 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
6546 (ipa_edge_modifications_finalize): New function.
6547 * tree-inline.c (remap_gimple_stmt): Pass original statement to
6549 (copy_phis_for_bb): Do not copy dead PHI nodes.
6550 (expand_call_inline): Do not remap performed_splits.
6551 (update_clone_info): Likewise.
6552 * toplev.c: Include ipa-param-manipulation.h.
6553 (toplev::finalize): Call ipa_edge_modifications_finalize.
6555 2021-06-28 Andrew Pinski <apinski@marvell.com>
6557 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
6558 info if we're the only things setting the target PHI.
6559 (value_replacement): Don't duplicate range here.
6560 (minmax_replacement): Likewise.
6562 2021-06-28 Richard Biener <rguenther@suse.de>
6564 PR tree-optimization/101229
6565 * gimple-walk.c (gimple_walk_op): Handle PHIs.
6567 2021-06-28 Martin Liska <mliska@suse.cz>
6569 * config/v850/v850.c (construct_dispose_instruction): Allocate
6571 (construct_prepare_instruction): Likewise.
6573 2021-06-28 Martin Liska <mliska@suse.cz>
6575 * config/v850/v850.c (v850_option_override): Build default
6577 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
6578 ignored for inlining.
6579 (TARGET_CAN_INLINE_P): New.
6581 2021-06-28 Richard Biener <rguenther@suse.de>
6583 PR tree-optimization/101207
6584 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
6585 permute eliding for load permutations properly.
6587 2021-06-28 Richard Biener <rguenther@suse.de>
6589 PR tree-optimization/101173
6590 * gimple-loop-interchange.cc
6591 (tree_loop_interchange::valid_data_dependences): Disallow outer
6592 loop dependence distance of zero.
6594 2021-06-28 liuhongt <hongtao.liu@intel.com>
6597 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
6598 define_insn_and_split.
6599 (*avx_cmp<mode>3_ltint): Ditto.
6600 (*avx2_pcmp<mode>3_3): Ditto.
6601 (*avx2_pcmp<mode>3_4): Ditto.
6602 (*avx2_pcmp<mode>3_5): Ditto.
6604 2021-06-28 liuhongt <hongtao.liu@intel.com>
6606 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
6607 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
6608 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
6609 IX86_BUILTIN_PBLENDVB128): Replace icode with
6611 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
6613 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
6614 New pre_reload splitter.
6616 2021-06-27 Andrew Pinski <apinski@marvell.com>
6618 PR middle-end/101230
6619 * fold-const.c (fold_ternary_loc): Check
6620 the return value of invert_tree_comparison.
6622 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
6624 * config.gcc: Add SPDX License Identifier.
6625 (powerpc-ibm-aix789): Default to aix73.h.
6626 (powerpc-ibm-aix7.2.*.*): New stanza.
6627 * config/rs6000/aix72.h: Add SPDX License Identifier.
6628 * config/rs6000/aix73.h: New file.
6630 2021-06-26 Jason Merrill <jason@redhat.com>
6632 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
6634 2021-06-26 Andrew Pinski <apinski@marvell.com>
6636 * genmatch.c (lower_cond): Copy for_subst_vec
6637 for the simplify also.
6638 (lower): Swap the order for lower_for and lower_cond.
6640 2021-06-26 Andrew Pinski <apinski@marvell.com>
6642 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
6643 flow senatitive info on the moved ssa set.
6645 2021-06-26 Andrew Pinski <apinski@marvell.com>
6647 * fold-const.c (fold_cond_expr_with_comparison):
6648 Exand arg0 into comp_code, arg00, and arg01.
6649 (fold_ternary_loc): Use invert_tree_comparison
6650 instead of fold_invert_truthvalue for the case
6651 where we have A CMP B ? C : A.
6653 2021-06-25 Martin Sebor <msebor@redhat.com>
6655 PR middle-end/101216
6656 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
6658 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
6660 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
6662 2021-06-25 Richard Biener <rguenther@suse.de>
6664 PR tree-optimization/101202
6665 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
6668 2021-06-25 Richard Biener <rguenther@suse.de>
6670 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
6671 STMT_VINFO_REDUC_DEF from the original representative.
6673 2021-06-25 Martin Sebor <msebor@redhat.com>
6675 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
6676 gimple_no_warning_p and gimple_set_no_warning with
6677 warning_suppressed_p, and suppress_warning.
6679 (maybe_warn_for_bound): Same.
6680 (warn_for_access): Same.
6681 (check_access): Same.
6682 (expand_builtin_strncmp): Same.
6683 (fold_builtin_varargs): Same.
6684 * calls.c (maybe_warn_nonstring_arg): Same.
6685 (maybe_warn_rdwr_sizes): Same.
6686 * cfgexpand.c (expand_call_stmt): Same.
6687 * cgraphunit.c (check_global_declaration): Same.
6688 * fold-const.c (fold_undefer_overflow_warnings): Same.
6689 (fold_truth_not_expr): Same.
6690 (fold_unary_loc): Same.
6691 (fold_checksum_tree): Same.
6692 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
6693 (array_bounds_checker::check_mem_ref): Same.
6694 (array_bounds_checker::check_addr_expr): Same.
6695 (array_bounds_checker::check_array_bounds): Same.
6696 * gimple-expr.c (copy_var_decl): Same.
6697 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
6698 (gimple_fold_builtin_strncat): Same.
6699 (gimple_fold_builtin_stxcpy_chk): Same.
6700 (gimple_fold_builtin_stpcpy): Same.
6701 (gimple_fold_builtin_sprintf): Same.
6702 (fold_stmt_1): Same.
6703 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
6704 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
6705 * gimple-ssa-sprintf.c (handle_printf_call): Same.
6706 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
6707 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
6708 * gimple-ssa-warn-restrict.h: Adjust declarations.
6709 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
6710 gimple_no_warning_p and gimple_set_no_warning with
6711 warning_suppressed_p, and suppress_warning.
6713 (check_bounds_or_overlap): Same.
6714 * gimple.c (gimple_build_call_from_tree): Same.
6715 * gimplify.c (gimplify_return_expr): Same.
6716 (gimplify_cond_expr): Same.
6717 (gimplify_modify_expr_complex_part): Same.
6718 (gimplify_modify_expr): Same.
6719 (gimple_push_cleanup): Same.
6720 (gimplify_expr): Same.
6721 * omp-expand.c (expand_omp_for_generic): Same.
6722 (expand_omp_taskloop_for_outer): Same.
6723 * omp-low.c (lower_rec_input_clauses): Same.
6724 (lower_lastprivate_clauses): Same.
6725 (lower_send_clauses): Same.
6726 (lower_omp_target): Same.
6727 * tree-cfg.c (pass_warn_function_return::execute): Same.
6728 * tree-complex.c (create_one_component_var): Same.
6729 * tree-inline.c (remap_gimple_op_r): Same.
6730 (copy_tree_body_r): Same.
6731 (declare_return_variable): Same.
6732 (expand_call_inline): Same.
6733 * tree-nested.c (lookup_field_for_decl): Same.
6734 * tree-sra.c (create_access_replacement): Same.
6735 (generate_subtree_copies): Same.
6736 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
6737 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
6738 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
6739 * tree-ssa-loop-im.c (execute_sm): Same.
6740 * tree-ssa-phiopt.c (cond_store_replacement): Same.
6741 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
6742 (handle_builtin_strcpy): Same.
6743 (maybe_diag_stxncpy_trunc): Same.
6744 (handle_builtin_stxncpy_strncat): Same.
6745 (handle_builtin_strcat): Same.
6746 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
6747 (set_no_uninit_warning): Same.
6748 (uninit_undefined_value_p): Same.
6749 (warn_uninit): Same.
6750 (maybe_warn_operand): Same.
6751 * tree-vrp.c (compare_values_warnv): Same.
6752 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
6753 (test_for_singularity): Same.
6754 * gimple.h (warning_suppressed_p): New function.
6755 (suppress_warning): Same.
6756 (copy_no_warning): Same.
6757 (gimple_set_block): Call gimple_set_location.
6758 (gimple_set_location): Call copy_warning.
6760 2021-06-25 Martin Sebor <msebor@redhat.com>
6762 * tree.h (warning_suppressed_at, copy_warning,
6763 warning_suppressed_p, suppress_warning): New functions.
6765 2021-06-25 Martin Sebor <msebor@redhat.com>
6767 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
6768 * gengtype.c (open_base_files): Add diagnostic-spec.h.
6769 * diagnostic-spec.c: New file.
6770 * diagnostic-spec.h: New file.
6771 * tree.h (no_warning, all_warnings, suppress_warning_at): New
6773 * warning-control.cc: New file.
6775 2021-06-25 liuhongt <hongtao.liu@intel.com>
6778 * config/i386/i386.c (x86_order_regs_for_local_alloc):
6781 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
6783 PR tree-optimization/101189
6784 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
6785 LHS range of condition to postfold routine.
6786 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
6787 FALSE edge if the LHS range supports it being taken.
6788 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
6790 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
6792 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
6793 (relation_oracle::find_relation_block): Check correct bitmap.
6794 (relation_oracle::dump): Do not dump NULL blocks.
6796 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
6798 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
6799 range_on_edge instead of manually calculating.
6801 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
6803 * range-op.cc: Fix comment.
6805 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
6808 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
6809 Handle V8QI and V4HI modes.
6810 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
6812 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
6813 (mmxpackmode): New mode attribute.
6814 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
6815 (mmxunpackmode): New mode attribute.
6816 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
6817 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
6818 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
6819 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
6820 * config/i386/i386.md (extsuffix): Move from ...
6821 * config/i386/sse.md: ... here.
6823 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
6825 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
6826 (dwarf2out_finish): ...instead of here.
6828 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
6830 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
6831 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
6832 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
6833 * configure: Regenerate.
6835 2021-06-24 Richard Biener <rguenther@suse.de>
6837 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
6838 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
6839 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
6841 2021-06-24 Richard Biener <rguenther@suse.de>
6843 * config/i386/sse.md (avx_addsubv4df3): Rename to
6845 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
6846 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
6847 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
6848 * config/i386/i386-builtin.def: Adjust.
6849 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
6850 * optabs.def (vec_addsub_optab): New optab.
6851 * tree-vect-slp-patterns.c (class addsub_pattern): New.
6852 (slp_patterns): Add addsub_pattern.
6853 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
6854 across CFN_VEC_ADDSUB.
6855 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
6857 * doc/md.texi (vec_addsub<mode>3): Document.
6859 2021-06-24 Jakub Jelinek <jakub@redhat.com>
6861 PR middle-end/101170
6862 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
6863 where regno + subreg_regno_offset wraps around use 0 as starting
6866 2021-06-24 Jakub Jelinek <jakub@redhat.com>
6868 PR middle-end/101172
6869 * stor-layout.c (finish_bitfield_representative): If nextf has
6870 error_mark_node type, set repr type to error_mark_node too.
6872 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
6874 * config/s390/s390.c (s390_function_profiler): Ignore labelno
6876 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
6878 2021-06-24 Richard Biener <rguenther@suse.de>
6880 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
6881 across operations that have different semantics on different
6884 2021-06-24 Jakub Jelinek <jakub@redhat.com>
6886 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
6887 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
6888 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
6889 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
6890 OMP_TARGET user outer_ctx instead of ctx for placeholders and
6891 initializer/combiner gimplification.
6892 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
6893 on target constructs.
6894 (lower_rec_input_clauses): Likewise.
6895 (lower_omp_target): Likewise.
6896 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
6897 on target if in_reduction is present.
6899 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
6901 * tree-predcom.c (class pcom_worker): New class.
6902 (release_chain): Renamed to...
6903 (pcom_worker::release_chain): ...this.
6904 (release_chains): Renamed to...
6905 (pcom_worker::release_chains): ...this.
6906 (aff_combination_dr_offset): Renamed to...
6907 (pcom_worker::aff_combination_dr_offset): ...this.
6908 (determine_offset): Renamed to...
6909 (pcom_worker::determine_offset): ...this.
6910 (class comp_ptrs): New class.
6911 (split_data_refs_to_components): Renamed to...
6912 (pcom_worker::split_data_refs_to_components): ...this,
6913 and update with class comp_ptrs.
6914 (suitable_component_p): Renamed to...
6915 (pcom_worker::suitable_component_p): ...this.
6916 (filter_suitable_components): Renamed to...
6917 (pcom_worker::filter_suitable_components): ...this.
6918 (valid_initializer_p): Renamed to...
6919 (pcom_worker::valid_initializer_p): ...this.
6920 (find_looparound_phi): Renamed to...
6921 (pcom_worker::find_looparound_phi): ...this.
6922 (add_looparound_copies): Renamed to...
6923 (pcom_worker::add_looparound_copies): ...this.
6924 (determine_roots_comp): Renamed to...
6925 (pcom_worker::determine_roots_comp): ...this.
6926 (determine_roots): Renamed to...
6927 (pcom_worker::determine_roots): ...this.
6928 (single_nonlooparound_use): Renamed to...
6929 (pcom_worker::single_nonlooparound_use): ...this.
6930 (remove_stmt): Renamed to...
6931 (pcom_worker::remove_stmt): ...this.
6932 (execute_pred_commoning_chain): Renamed to...
6933 (pcom_worker::execute_pred_commoning_chain): ...this.
6934 (execute_pred_commoning): Renamed to...
6935 (pcom_worker::execute_pred_commoning): ...this.
6936 (struct epcc_data): New member worker.
6937 (execute_pred_commoning_cbck): Call execute_pred_commoning
6938 with pcom_worker pointer.
6939 (find_use_stmt): Renamed to...
6940 (pcom_worker::find_use_stmt): ...this.
6941 (find_associative_operation_root): Renamed to...
6942 (pcom_worker::find_associative_operation_root): ...this.
6943 (find_common_use_stmt): Renamed to...
6944 (pcom_worker::find_common_use_stmt): ...this.
6945 (combinable_refs_p): Renamed to...
6946 (pcom_worker::combinable_refs_p): ...this.
6947 (reassociate_to_the_same_stmt): Renamed to...
6948 (pcom_worker::reassociate_to_the_same_stmt): ...this.
6949 (stmt_combining_refs): Renamed to...
6950 (pcom_worker::stmt_combining_refs): ...this.
6951 (combine_chains): Renamed to...
6952 (pcom_worker::combine_chains): ...this.
6953 (try_combine_chains): Renamed to...
6954 (pcom_worker::try_combine_chains): ...this.
6955 (prepare_initializers_chain): Renamed to...
6956 (pcom_worker::prepare_initializers_chain): ...this.
6957 (prepare_initializers): Renamed to...
6958 (pcom_worker::prepare_initializers): ...this.
6959 (prepare_finalizers_chain): Renamed to...
6960 (pcom_worker::prepare_finalizers_chain): ...this.
6961 (prepare_finalizers): Renamed to...
6962 (pcom_worker::prepare_finalizers): ...this.
6963 (tree_predictive_commoning_loop): Renamed to...
6964 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
6965 some calls and remove some cleanup code.
6966 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
6967 (static variable looparound_phis): Remove.
6968 (static variable name_expansions): Remove.
6970 2021-06-24 Richard Biener <rguenther@suse.de>
6972 * tree-vect-slp.c (slpg_vertex): New struct.
6973 (vect_slp_build_vertices): Adjust.
6974 (vect_optimize_slp): Likewise. Maintain an outgoing permute
6975 and a materialized one.
6977 2021-06-24 Richard Biener <rguenther@suse.de>
6979 PR tree-optimization/101105
6980 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6981 Only ignore steps when they are equal or scalar order is preserved.
6983 2021-06-24 liuhongt <hongtao.liu@intel.com>
6986 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
6987 Adjust comments for ix86_expand_vecop_qihi2.
6988 (ix86_expand_vecmul_qihi): Renamed to ..
6989 (ix86_expand_vecop_qihi2): Adjust function prototype to
6990 support shift operation, add static to definition.
6991 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
6992 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
6993 ix86_expand_vec_shift_qihi_constant.
6994 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
6995 (ix86_expand_vec_shift_qihi_constant): Deleted.
6996 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
6998 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
6999 condition TARGET_64BIT.
7000 (mul<mode>3): Ditto.
7001 (<insn><mode>3): Ditto.
7002 (vlshr<mode>3): Extend to support avx512 vlshr.
7003 (v<insn><mode>3): New expander for
7005 (v<insn>v8qi3): Ditto.
7006 (vashrv8hi3<mask_name>): Renamed to ..
7007 (vashr<mode>3): And extend to support V16QImode for avx512.
7008 (vashrv16qi3): Deleted.
7009 (vashrv2di3<mask_name>): Extend expander to support avx512
7012 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
7014 * doc/lto.texi (Design Overview): Update that slim objects are
7017 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
7019 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
7020 of OTHER_POWER10_MASKS so it will not be enabled by default.
7022 2021-06-23 Richard Biener <rguenther@suse.de>
7023 Martin Jambor <mjambor@suse.cz>
7025 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
7026 param replacement unconditionally. Adjust comment.
7028 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7030 * Makefile.in (OBJS): Add gimple-range-fold.o
7031 * gimple-range-fold.cc: New.
7032 * gimple-range-fold.h: New.
7033 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
7034 (gimple_range_calc_op2): Ditto.
7035 * gimple-range-gori.h: Move prototypes to here.
7036 * gimple-range.cc: Adjust include files.
7037 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
7038 (fur_source::get_operand): Ditto.
7039 (fur_source::get_phi_operand): Ditto.
7040 (fur_source::query_relation): Ditto.
7041 (fur_source::register_relation): Ditto.
7042 (class fur_edge): Ditto.
7043 (fur_edge::fur_edge): Ditto.
7044 (fur_edge::get_operand): Ditto.
7045 (fur_edge::get_phi_operand): Ditto.
7046 (fur_stmt::fur_stmt): Ditto.
7047 (fur_stmt::get_operand): Ditto.
7048 (fur_stmt::get_phi_operand): Ditto.
7049 (fur_stmt::query_relation): Ditto.
7050 (class fur_depend): Relocate to gimple-range-fold.h.
7051 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
7052 (fur_depend::register_relation): Ditto.
7053 (fur_depend::register_relation): Ditto.
7054 (class fur_list): Ditto.
7055 (fur_list::fur_list): Ditto.
7056 (fur_list::get_operand): Ditto.
7057 (fur_list::get_phi_operand): Ditto.
7058 (fold_range): Ditto.
7059 (adjust_pointer_diff_expr): Ditto.
7060 (gimple_range_adjustment): Ditto.
7061 (gimple_range_base_of_assignment): Ditto.
7062 (gimple_range_operand1): Ditto.
7063 (gimple_range_operand2): Ditto.
7064 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
7065 (gimple_range_calc_op2): Ditto.
7066 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
7067 (fold_using_range::range_of_range_op): Ditto.
7068 (fold_using_range::range_of_address): Ditto.
7069 (fold_using_range::range_of_phi): Ditto.
7070 (fold_using_range::range_of_call): Ditto.
7071 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
7072 (fold_using_range::range_of_builtin_call): Ditto.
7073 (fold_using_range::range_of_cond_expr): Ditto.
7074 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
7075 (fold_using_range::relation_fold_and_or): Ditto.
7076 (fold_using_range::postfold_gcond_edges): Ditto.
7077 * gimple-range.h: Add gimple-range-fold.h to include files. Change
7078 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
7079 (gimple_range_handler): Relocate to gimple-range-fold.h.
7080 (gimple_range_ssa_p): Ditto.
7081 (range_compatible_p): Ditto.
7082 (class fur_source): Ditto.
7083 (class fur_stmt): Ditto.
7084 (class fold_using_range): Ditto.
7085 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
7086 (gimple_range_calc_op2): Ditto.
7088 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7090 PR tree-optimization/101148
7091 PR tree-optimization/101014
7092 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
7093 (ranger_cache::~ranger_cache): Adjust.
7094 (ranger_cache::block_range): Check if propagation disallowed.
7095 (ranger_cache::propagate_cache): Disallow propagation if new value
7096 can't be stored properly.
7097 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
7099 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7101 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
7102 (sbr_vector::set_bb_range): Return true.
7103 (class sbr_sparse_bitmap): Adjust.
7104 (sbr_sparse_bitmap::set_bb_range): Return value.
7105 (block_range_cache::set_bb_range): Return value.
7106 (ranger_cache::propagate_cache): Use return value to print msg.
7107 * gimple-range-cache.h (class block_range_cache): Adjust.
7109 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7111 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
7113 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
7115 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
7116 so this pattern can be used for test/compare removal. Pass
7117 current insn to compute_logical_op_length and output_logical_op.
7118 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
7119 (h8300_and_costs): Add argument to compute_logical_op_length.
7120 (output_logical_op): Add new argument. Use it to determine if the
7121 condition codes are used and adjust the output accordingly.
7122 (compute_logical_op_length): Add new argument and update length
7123 computations when condition codes are used.
7124 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
7126 (output_logical_op): Likewise.
7128 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
7131 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
7132 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
7133 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
7134 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
7135 * config/i386/sse.md (unspec): ... here.
7137 2021-06-23 Martin Liska <mliska@suse.cz>
7140 * optc-save-gen.awk: Put back arm_fp16_format to
7143 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
7146 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
7149 (clz<mode>2): Update RTX pattern for additions.
7151 2021-06-23 Jakub Jelinek <jakub@redhat.com>
7153 PR middle-end/101167
7154 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
7155 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
7157 2021-06-22 Sergei Trofimovich <siarheit@google.com>
7159 * doc/rtl.texi: drop unbalanced parenthesis.
7161 2021-06-22 Richard Biener <rguenther@suse.de>
7163 PR middle-end/101156
7164 * gimplify.c (gimplify_expr): Remove premature incorrect
7167 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7169 PR tree-optimization/101159
7170 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
7173 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7175 PR middle-end/101160
7176 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
7177 clear crtl->return_rtx instead of keeping it referencing a pseudo.
7179 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7180 Andrew Pinski <apinski@marvell.com>
7182 PR tree-optimization/101162
7183 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
7186 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7188 * range-op.cc (range_relational_tests): New.
7189 (range_op_tests): Call range_relational_tests.
7191 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7193 * range-op.cc (operator_cast::lhs_op1_relation): New.
7194 (operator_identity::lhs_op1_relation): Mew.
7196 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7198 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
7200 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7202 * range-op.cc (operator_plus::lhs_op1_relation): New.
7203 (operator_plus::lhs_op2_relation): New.
7205 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7207 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
7208 relation_oracle if dominators exist.
7209 (ranger_cache::~ranger_cache): Dispose of oracle.
7210 (ranger_cache::dump_bb): Dump oracle.
7211 * gimple-range.cc (fur_source::fur_source): New.
7212 (fur_source::get_operand): Use mmeber query.
7213 (fur_source::get_phi_operand): Use member_query.
7214 (fur_source::query_relation): New.
7215 (fur_source::register_dependency): Delete.
7216 (fur_source::register_relation): New.
7217 (fur_edge::fur_edge): Adjust.
7218 (fur_edge::get_phi_operand): Fix comment.
7219 (fur_edge::query): Delete.
7220 (fur_stmt::fur_stmt): Adjust.
7221 (fur_stmt::query): Delete.
7222 (fur_depend::fur_depend): Adjust.
7223 (fur_depend::register_relation): New.
7224 (fur_depend::register_relation): New.
7225 (fur_list::fur_list): Adjust.
7226 (fur_list::get_operand): Use member query.
7227 (fold_using_range::range_of_range_op): Process and query relations.
7228 (fold_using_range::range_of_address): Adjust dependency call.
7229 (fold_using_range::range_of_phi): Ditto.
7230 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
7231 (fold_using_range::relation_fold_and_or): New.
7232 (fold_using_range::postfold_gcond_edges): New.
7233 * gimple-range.h (class gimple_ranger): Adjust.
7234 (class fur_source): Adjust members.
7235 (class fur_stmt): Ditto.
7236 (class fold_using_range): Ditto.
7238 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7240 * range-op.cc (range_operator::wi_fold): Apply relation effect.
7241 (range_operator::fold_range): Adjust and apply relation effect.
7242 (*::fold_range): Add relation parameters.
7243 (*::op1_range): Ditto.
7244 (*::op2_range): Ditto.
7245 (range_operator::lhs_op1_relation): New.
7246 (range_operator::lhs_op2_relation): New.
7247 (range_operator::op1_op2_relation): New.
7248 (range_operator::op1_op2_relation_effect): New.
7249 (relop_early_resolve): New.
7250 (operator_equal::op1_op2_relation): New.
7251 (operator_equal::fold_range): Call relop_early_resolve.
7252 (operator_not_equal::op1_op2_relation): New.
7253 (operator_not_equal::fold_range): Call relop_early_resolve.
7254 (operator_lt::op1_op2_relation): New.
7255 (operator_lt::fold_range): Call relop_early_resolve.
7256 (operator_le::op1_op2_relation): New.
7257 (operator_le::fold_range): Call relop_early_resolve.
7258 (operator_gt::op1_op2_relation): New.
7259 (operator_gt::fold_range): Call relop_early_resolve.
7260 (operator_ge::op1_op2_relation): New.
7261 (operator_ge::fold_range): Call relop_early_resolve.
7262 * range-op.h (class range_operator): Adjust parameters and methods.
7264 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7266 * Makefile.in (OBJS): Add value-relation.o.
7267 * gimple-range.h: Adjust include files.
7268 * tree-data-ref.c: Adjust include file order.
7269 * value-query.cc (range_query::get_value_range): Default to no oracle.
7270 (range_query::query_relation): New.
7271 (range_query::query_relation): New.
7272 * value-query.h (class range_query): Adjust.
7273 * value-relation.cc: New.
7274 * value-relation.h: New.
7276 2021-06-22 Richard Biener <rguenther@suse.de>
7278 PR tree-optimization/101151
7279 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
7282 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
7284 * config/riscv/riscv.c (thead_c906_tune_info): New.
7285 (riscv_tune_info_table): Use new tune.
7287 2021-06-22 Richard Biener <rguenther@suse.de>
7289 PR tree-optimization/101158
7290 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
7291 checking after checking for matching operation.
7293 2021-06-22 Richard Biener <rguenther@suse.de>
7295 PR tree-optimization/101159
7296 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
7297 missing NULL vectype check.
7299 2021-06-22 Richard Biener <rguenther@suse.de>
7301 PR tree-optimization/101154
7302 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
7304 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7307 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
7308 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
7309 * config/i386/i386.c (ix86_expand_prologue): Clear it.
7310 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
7311 Remove "" from match_operand. Emit new insns using emit_move_insn and
7312 set ix86_last_zero_store_uid to INSN_UID of the last store.
7313 Add peephole2s for 1/2/4 stores of const0_rtx following previous
7316 2021-06-22 Martin Liska <mliska@suse.cz>
7318 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
7321 2021-06-22 Martin Liska <mliska@suse.cz>
7323 * gcov-io.h: Remove padding entries.
7325 2021-06-22 liuhongt <hongtao.liu@intel.com>
7327 PR tree-optimization/97770
7328 * tree-vect-patterns.c (vect_recog_popcount_pattern):
7330 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
7332 2021-06-22 liuhongt <hongtao.liu@intel.com>
7335 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
7336 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
7337 (expand<mode>_mask): this ..
7338 (*expand<mode>_mask): New pre_reload splitter to transform
7339 v{,p}expand* to vmov* when mask is zero, all ones, or has all
7340 ones in it's lower part, otherwise still generate
7343 2021-06-22 liuhongt <hongtao.liu@intel.com>
7346 * config/i386/i386-expand.c
7347 (ix86_expand_special_args_builtin): Keep constm1_operand only
7348 if it satisfies insn's operand predicate.
7350 2021-06-21 Jason Merrill <jason@redhat.com>
7353 * df-scan.c (df_ref_record): Check that regno < endregno.
7354 * function.c (assign_parms, expand_function_end): Do nothing with a
7355 TYPE_EMPTY_P result.
7357 2021-06-21 Richard Biener <rguenther@suse.de>
7359 PR tree-optimization/101120
7360 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
7362 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
7363 DR chain DCE capability.
7364 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
7365 * tree-vect-stmts.c (vectorizable_load): Remove unused
7366 loads in the DR chain for SLP.
7368 2021-06-21 Jakub Jelinek <jakub@redhat.com>
7370 PR inline-asm/100785
7371 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
7372 output or input operands were already error_mark_node.
7373 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
7374 remove all inputs, outputs and clobbers from the asm and
7377 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
7379 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
7380 (vceq_s16): Likewise.
7381 (vceq_s32): Likewise.
7382 (vceq_u8): Likewise.
7383 (vceq_u16): Likewise.
7384 (vceq_u32): Likewise.
7385 (vceq_p8): Likewise.
7386 (vceqq_s8): Likewise.
7387 (vceqq_s16): Likewise.
7388 (vceqq_s32): Likewise.
7389 (vceqq_u8): Likewise.
7390 (vceqq_u16): Likewise.
7391 (vceqq_u32): Likewise.
7392 (vceqq_p8): Likewise.
7393 (vceq_f32): Gate __a == __b on __FAST_MATH__.
7394 (vceqq_f32): Likewise.
7395 (vceq_f16): Likewise.
7396 (vceqq_f16): Likewise.
7398 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
7401 * config/arm/iterators.md (NEON_VACMP): Remove.
7402 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
7404 (neon_vca<cmp_op><mode>_insn): Likewise.
7405 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
7408 2021-06-21 Richard Biener <rguenther@suse.de>
7410 PR tree-optimization/101121
7411 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
7412 when we just lack a stmt with the desired op when doing permutation.
7413 (vect_build_slp_tree): When caching a failed SLP build attempt
7414 assert that at least one lane is marked as not matching.
7416 2021-06-21 liuhongt <hongtao.liu@intel.com>
7419 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
7420 register alternative.
7421 (*and<mode>_1): Ditto.
7423 (*andn<mode>_1): Ditto.
7424 (*<code><mode>_1): Ditto.
7425 (*<code>qi_1): Ditto.
7426 (*one_cmpl<mode>2_1): Ditto.
7427 (*one_cmplsi2_1_zext): Ditto.
7428 (*one_cmplqi2_1): Ditto.
7429 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
7430 the order of mask registers to be before general registers.
7432 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
7435 * config/i386/i386.md: New define_peephole2s to shrink writing
7436 1, 2 or 4 consecutive zeros to memory when optimizing for size.
7438 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
7440 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
7441 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
7442 more efficient code when the source can be trivially simplified.
7444 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
7446 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
7447 a range if global is not available.
7448 (ranger_cache::entry_range): Fallback to range_of_def.
7449 * gimple-range-cache.h (range_of_def): Adjust prototype.
7451 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
7453 PR tree-optimization/101014
7454 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
7456 (ranger_cache::~ranger_cache): Ditto.
7457 (ranger_cache::enable_new_values): Delete.
7458 (ranger_cache::push_poor_value): Delete.
7459 (ranger_cache::range_of_def): Remove poor value processing.
7460 (ranger_cache::entry_range): Ditto.
7461 (ranger_cache::fill_block_cache): Ditto.
7462 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
7463 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
7464 * gimple-range.h (class gimple_ranger): Adjust.
7466 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
7469 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
7470 derived from arm_canon_arch.
7471 (arm_canon_arch_option): Call it.
7472 (arm_canon_arch_multilib_option): New function.
7473 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
7474 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
7475 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
7476 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
7477 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
7478 * config/arm/arm.opt (mlibarch): New option.
7479 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
7480 of march on RHS with mlibarch.
7482 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
7484 * config.in: Regenerate.
7485 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
7487 * configure: Regenerate.
7488 * configure.ac: Fix for global_load assembler functions.
7490 2021-06-18 Richard Biener <rguenther@suse.de>
7492 PR tree-optimization/101112
7493 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
7494 to lookup a pattern stmt def.
7496 2021-06-18 Jakub Jelinek <jakub@redhat.com>
7498 PR middle-end/101062
7499 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
7500 representatives in QUAL_UNION_TYPE.
7502 2021-06-18 Andrew Pinski <apinski@marvell.com>
7504 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
7505 Add counting of how many times it is done.
7506 (factor_out_conditional_conversion): Likewise.
7507 (match_simplify_replacement): Likewise.
7508 (value_replacement): Likewise.
7509 (spaceship_replacement): Likewise.
7510 (cond_store_replacement): Likewise.
7511 (cond_if_else_store_replacement_1): Likewise.
7512 (hoist_adjacent_loads): Likewise.
7514 2021-06-18 Andrew Pinski <apinski@marvell.com>
7516 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
7517 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
7518 (verify_gimple_assign_binary): Reject point and offset types on
7519 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
7520 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
7521 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
7523 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
7525 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
7526 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
7527 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
7530 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
7532 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
7533 earlyclobber to alts 0/1.
7534 (gen_addadd): Add earlyclobber to alts 0/1.
7535 * config/rs6000/fusion.md: Regenerate file.
7537 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7539 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
7541 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
7543 * gimple-range-cache.cc: Comment cleanups.
7544 * gimple-range-gori.cc: Comment cleanups.
7545 * gimple-range.cc: Comment/spacing cleanups
7546 * value-range.h: Comment cleanups.
7548 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
7551 * calls.c (expand_call): Replace PUSH_ARGS with
7552 targetm.calls.push_argument (0).
7553 (emit_library_call_value_1): Likewise.
7554 * defaults.h (PUSH_ARGS): Removed.
7555 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
7556 targetm.calls.push_argument (0).
7557 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
7558 (emit_push_insn): Pass the number bytes to push to
7559 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
7560 * hooks.c (hook_bool_uint_true): New.
7561 * hooks.h (hook_bool_uint_true): Likewise.
7562 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
7563 targetm.calls.push_argument (0).
7564 * target.def (push_argument): Add a targetm.calls hook.
7565 * targhooks.c (default_push_argument): New.
7566 * targhooks.h (default_push_argument): Likewise.
7567 * config/bpf/bpf.h (PUSH_ARGS): Removed.
7568 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
7569 * config/cr16/cr16.h (PUSH_ARGS): Removed.
7570 * config/i386/i386.c (ix86_push_argument): New.
7571 (TARGET_PUSH_ARGUMENT): Likewise.
7572 * config/i386/i386.h (PUSH_ARGS): Removed.
7573 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
7574 * config/m32c/m32c.h (PUSH_ARGS): Removed.
7575 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
7576 * config/pru/pru.h (PUSH_ARGS): Likewise.
7577 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
7578 TARGET_PUSH_ARGUMENT hook.
7579 * doc/tm.texi: Regenerated.
7581 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
7584 * config/i386/i386-expand.c (expand_vector_set_var):
7585 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
7586 ix86_expand_vector_init_duplicate.
7587 (ix86_expand_vector_init_duplicate): Emit insv_1 for
7588 QImode for !TARGET_PARTIAL_REG_STALL.
7589 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
7590 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
7591 as operand 2 predicate. Call ix86_expand_vector_set_var
7592 for non-constant index operand.
7593 (vec_setv2si): Ditto.
7594 (vec_setv4hi): Ditto.
7595 (vec_setv8qi): ditto.
7597 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
7599 PR tree-optimization/100790
7600 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
7603 2021-06-17 Martin Liska <mliska@suse.cz>
7605 * doc/invoke.texi: Use consistently -O1 instead of -O.
7607 2021-06-17 Martin Liska <mliska@suse.cz>
7609 * gcov-io.h: Update documentation entry about string format.
7611 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
7614 * config/s390/vecintrin.h (vec_doublee): Fix to use
7615 __builtin_s390_vflls.
7616 (vec_floate): Fix to use __builtin_s390_vflrd.
7618 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7620 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
7621 * dominance.h (get_dominated_to_depth): Likewise.
7622 (get_all_dominated_blocks): Likewise.
7623 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
7624 * gcse.c (hoist_code): Likewise.
7625 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
7626 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
7627 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
7628 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
7630 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7632 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
7633 * dominance.h (get_dominated_by_region): Likewise.
7634 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
7635 (gimple_duplicate_sese_tail): Likewise.
7636 (move_sese_region_to_fn): Likewise.
7638 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7640 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
7641 * dominance.h (get_dominated_by): Likewise.
7642 * auto-profile.c (afdo_find_equiv_class): Adjust.
7643 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
7644 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
7645 * tree-cfg.c (test_linear_chain): Likewise.
7646 (test_diamond): Likewise.
7648 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7650 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
7651 * cfgloopanal.c (get_loop_hot_path): Likewise.
7652 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
7654 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7656 * cgraph.c (cgraph_node::collect_callers): Return
7657 auto_vec<cgraph_edge *>.
7658 * cgraph.h (cgraph_node::collect_callers): Likewise.
7659 * ipa-cp.c (create_specialized_node): Adjust.
7660 (decide_about_value): Likewise.
7661 (decide_whether_version_node): Likewise.
7662 * ipa-sra.c (process_isra_node_results): Likewise.
7664 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
7666 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
7667 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
7669 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
7672 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
7674 * gimple-range.cc (debug_seed_ranger): New.
7676 (debug_ranger): New.
7678 2021-06-17 Richard Biener <rguenther@suse.de>
7680 PR tree-optimization/54400
7681 * tree-vectorizer.h (enum slp_instance_kind): Add
7682 slp_inst_kind_bb_reduc.
7683 (reduction_fn_for_scalar_code): Declare.
7684 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
7685 Check SLP_INSTANCE_KIND instead of looking at the
7687 (vect_slp_analyze_instance_alignment): Likewise.
7688 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
7689 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
7690 chain linearization from vect_build_slp_tree_2 and generalize
7691 for the use of BB reduction vectorization.
7692 (vect_build_slp_tree_2): Adjust accordingly.
7693 (vect_optimize_slp): Elide permutes at the root of BB reduction
7695 (vectorizable_bb_reduc_epilogue): New function.
7696 (vect_slp_prune_covered_roots): Likewise.
7697 (vect_slp_analyze_operations): Use them.
7698 (vect_slp_check_for_constructors): Recognize associatable
7699 chains for BB reduction vectorization.
7700 (vectorize_slp_instance_root_stmt): Generate code for the
7701 BB reduction epilogue.
7703 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
7705 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
7707 (gori_compute::may_recompute_p): New.
7708 (gori_compute::outgoing_edge_range_p): Perform recomputations.
7709 * gimple-range-gori.h (class gori_compute): Add prototype.
7711 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
7713 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
7714 true when a range can be calculated.
7715 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
7717 2021-06-16 Martin Sebor <msebor@redhat.com>
7719 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
7720 Correct documented defaults.
7722 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
7724 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
7725 m_new_value_p directly.
7727 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
7730 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
7731 Handle 64bit modes for TARGET_SSE4_1.
7732 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
7733 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
7734 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
7735 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
7736 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
7737 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
7739 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
7741 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
7742 Change to an expander that emits the correct instruction
7743 depending on endianness.
7744 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
7745 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
7747 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
7749 * config/aarch64/aarch64-simd-builtins.def: Split generator
7750 for aarch64_<su>qmovn builtins into scalar and vector
7752 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
7754 (aarch64_<su>qmovn<mode>_insn_be): Define.
7755 (aarch64_<su>qmovn<mode>): Split into scalar and vector
7756 variants. Change vector variant to an expander that emits the
7757 correct instruction depending on endianness.
7759 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
7761 * config/aarch64/aarch64-simd-builtins.def: Split generator
7762 for aarch64_sqmovun builtins into scalar and vector variants.
7763 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
7764 Split into scalar and vector variants. Change vector variant
7765 to an expander that emits the correct instruction depending
7767 (aarch64_sqmovun<mode>_insn_le): Define.
7768 (aarch64_sqmovun<mode>_insn_be): Define.
7770 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
7772 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
7773 Define - modeling zero-high-half semantics.
7774 (aarch64_xtn<mode>): Change to an expander that emits the
7775 appropriate instruction depending on endianness.
7776 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
7778 (aarch64_xtn2<mode>_le): Rename to...
7779 (aarch64_xtn2<mode>_insn_le): This.
7780 (aarch64_xtn2<mode>_be): Rename to...
7781 (aarch64_xtn2<mode>_insn_be): This.
7782 (vec_pack_trunc_<mode>): Emit truncation instruction instead
7784 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
7787 2021-06-16 Martin Jambor <mjambor@suse.cz>
7789 PR tree-optimization/100453
7790 * tree-sra.c (create_access): Disqualify any const candidates
7791 which are written to.
7792 (sra_modify_expr): Do not store sub-replacements back to a const base.
7793 (handle_unscalarized_data_in_subtree): Likewise.
7794 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
7795 instead of constant_decl_p.
7797 2021-06-16 Jakub Jelinek <jakub@redhat.com>
7799 PR middle-end/101062
7800 * stor-layout.c (finish_bitfield_representative): For fields in unions
7801 assume nextf is always NULL.
7802 (finish_bitfield_layout): Compute bit field representatives also in
7803 unions, but handle it as if each bitfield was the only field in the
7806 2021-06-16 Richard Biener <rguenther@suse.de>
7808 PR tree-optimization/101088
7809 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
7810 supported refs on edges. Do not assert same ref but
7811 different kind stores are unsuported but mark them so.
7812 (hoist_memory_references): Only look for supported refs
7815 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
7817 PR rtl-optimization/46235
7818 * config/i386/i386.md: New define_split for bt followed by cmov.
7819 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
7820 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
7821 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
7822 by setnc with zero extension.
7824 2021-06-16 Richard Biener <rguenther@suse.de>
7826 PR tree-optimization/101083
7827 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
7828 vectype as argument.
7829 (vect_build_slp_tree_2): Adjust.
7831 2021-06-15 Martin Sebor <msebor@redhat.com>
7833 PR middle-end/100876
7834 * builtins.c: (gimple_call_return_array): Account for size_t
7835 mangling as either unsigned int or unsigned long
7837 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
7839 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
7840 up before eliminating comparisons.
7842 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
7844 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
7845 nonzero|X is nonzero.
7846 (range_op_bitwise_and_tests): Add tests for above.
7848 2021-06-15 Carl Love <cel@us.ibm.com>
7851 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
7853 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
7856 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
7859 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
7860 (struct gimplify_omp_ctx): Extend defaultmap array by one.
7861 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
7862 (omp_notice_variable): Update type classification for Fortran.
7863 (gimplify_scan_omp_clauses): Update calls for new argument; handle
7864 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
7865 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
7866 * langhooks.c (lhd_omp_scalar_p): Likewise.
7867 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
7868 (LANG_HOOKS_DECLS): Add them.
7869 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
7870 omp_scalar_p pointer type to include the new bool argument.
7872 2021-06-15 David Malcolm <dmalcolm@redhat.com>
7875 (Special Functions for Debugging the Analyzer): Add
7876 __analyzer_dump_capacity.
7878 2021-06-15 Jakub Jelinek <jakub@redhat.com>
7881 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
7882 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
7884 2021-06-15 Richard Biener <rguenther@suse.de>
7886 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
7887 check to identify loop latches.
7888 * cfgloop.c (verify_loop_structure): Likewise.
7889 * loop-init.c (apply_loop_flags): Allow marked irreducible
7890 regions even with multiple latches.
7891 * predict.c (rebuild_frequencies): Simplify.
7893 2021-06-15 Richard Biener <rguenther@suse.de>
7895 * tree-ssa-threadupdate.c
7896 (jump_thread_path_registry::mark_threaded_blocks): Assert we
7897 have marked irreducible regions.
7899 2021-06-14 Martin Sebor <msebor@redhat.com>
7902 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
7903 Handle calls to placement new.
7904 (ndecl_dealloc_argno): Avoid placement delete.
7906 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
7909 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
7910 create_tmp_reg_or_ssa_name().
7912 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
7914 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
7915 (ranger_cache::enable_new_values): Set to specified value and
7916 return the old value.
7917 (ranger_cache::disable_new_values): Delete.
7918 (ranger_cache::fill_block_cache): Disable non 1st order derived
7920 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
7921 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
7923 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
7926 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
7927 Return true early when testing with V2HImode.
7928 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
7930 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
7932 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
7933 (mve_vec_unpack<US>_hi_<mode>): New pattern.
7934 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
7935 (mve_vmovntq_<supf><mode>): Prefix with '@'.
7936 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
7938 (vec_unpack<US>_lo_<mode>): Likewise.
7939 (vec_pack_trunc_<mode>): Rename to
7940 neon_quad_vec_pack_trunc_<mode>.
7941 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
7943 (vec_unpack<US>_lo_<mode>): New.
7944 (vec_pack_trunc_<mode>): New.
7946 2021-06-14 Richard Biener <rguenther@suse.de>
7948 PR tree-optimization/100934
7949 * tree-ssa-dom.c (pass_dominator::execute): Properly
7950 mark irreducible regions.
7952 2021-06-14 Martin Liska <mliska@suse.cz>
7954 * doc/invoke.texi: Put r{...} on the same line as @item.
7956 2021-06-14 Martin Liska <mliska@suse.cz>
7958 * doc/invoke.texi: Add missing newline.
7960 2021-06-14 Martin Liska <mliska@suse.cz>
7962 * doc/invoke.texi: Remove '+' charasters.
7964 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
7966 * config.gcc (arc): Add support for with_cpu option.
7967 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
7969 2021-06-14 Richard Biener <rguenther@suse.de>
7971 PR tree-optimization/101031
7972 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
7973 instead of size when accounting for a possibly string
7976 2021-06-14 Martin Liska <mliska@suse.cz>
7978 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
7980 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
7982 * value-query.cc (gimple_range_global): Call get_range_global
7983 if called after inlining.
7985 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
7988 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
7989 Emit constant permutation insn directly from here.
7991 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
7993 * attribs.c (find_attribute_namespace): Iterate over vec<> with
7995 * auto-profile.c (afdo_find_equiv_class): Likewise.
7996 * gcc.c (do_specs_vec): Likewise.
7997 (do_spec_1): Likewise.
7998 (driver::set_up_specs): Likewise.
7999 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
8000 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
8001 (imm_store_chain_info::try_coalesce_bswap): Likewise.
8002 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
8003 (get_location_for_stmts): Likewise.
8004 * graphite-poly.c (print_iteration_domains): Likewise.
8005 (free_poly_bb): Likewise.
8006 (remove_gbbs_in_scop): Likewise.
8007 (free_scop): Likewise.
8008 (dump_gbb_cases): Likewise.
8009 (dump_gbb_conditions): Likewise.
8010 (print_pdrs): Likewise.
8011 (print_scop): Likewise.
8012 * ifcvt.c (cond_move_process_if_block): Likewise.
8013 * lower-subreg.c (decompose_multiword_subregs): Likewise.
8014 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
8015 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
8016 * sel-sched-dump.c (dump_insn_vector): Likewise.
8017 * store-motion.c (store_ops_ok): Likewise.
8018 (store_killed_in_insn): Likewise.
8019 * timevar.c (timer::named_items::print): Likewise.
8020 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
8021 (cleanup_tree_cfg_noloop): Likewise.
8022 * tree-data-ref.c (dump_data_references): Likewise.
8023 (print_dir_vectors): Likewise.
8024 (print_dist_vectors): Likewise.
8025 (dump_data_dependence_relations): Likewise.
8026 (dump_dist_dir_vectors): Likewise.
8027 (dump_ddrs): Likewise.
8028 (create_runtime_alias_checks): Likewise.
8029 (free_subscripts): Likewise.
8030 (save_dist_v): Likewise.
8031 (save_dir_v): Likewise.
8032 (invariant_access_functions): Likewise.
8033 (same_access_functions): Likewise.
8034 (access_functions_are_affine_or_constant_p): Likewise.
8035 (find_data_references_in_stmt): Likewise.
8036 (graphite_find_data_references_in_stmt): Likewise.
8037 (free_dependence_relations): Likewise.
8038 (free_data_refs): Likewise.
8039 * tree-inline.c (copy_debug_stmts): Likewise.
8040 * tree-into-ssa.c (dump_currdefs): Likewise.
8041 (rewrite_update_phi_arguments): Likewise.
8042 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
8043 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
8045 (vect_slp_analyze_node_dependences): Likewise.
8046 (vect_slp_analyze_instance_dependence): Likewise.
8047 (vect_record_base_alignments): Likewise.
8048 (vect_get_peeling_costs_all_drs): Likewise.
8049 (vect_peeling_supportable): Likewise.
8050 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
8051 (vec_info::free_stmt_vec_infos): Likewise.
8053 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
8055 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
8056 (andqi3_1<cczn>): Removed.
8057 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
8058 (H8/SX bit logicals): Split out from other patterns.
8059 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
8060 mulqihi3_const_clobber_flags.
8061 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
8063 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
8066 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
8067 to true if red zone is used.
8068 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
8070 * config/i386/i386.h (machine_function): Add red_zone_used.
8071 (ix86_red_zone_size): Removed.
8072 (ix86_red_zone_used): New.
8073 * config/i386/i386.md (peephole2 patterns): Replace
8074 ix86_red_zone_size with ix86_red_zone_used.
8076 2021-06-12 Jason Merrill <jason@redhat.com>
8078 * doc/extend.texi (unused variable attribute): Applies to
8079 structure fields as well.
8081 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
8083 * auto-profile.c (read_profile): fix a typo in an error string
8085 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
8087 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
8089 * tree-pretty-print.c (dump_omp_clauses): Update.
8090 (dump_generic_node) <OMP_CLAUSE>: Use it.
8092 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
8095 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
8096 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
8097 the polymorphic variants matching code.
8098 (__arm_vld1q_z): Likewise.
8099 (__arm_vld2q): Likewise.
8100 (__arm_vld4q): Likewise.
8101 (__arm_vldrbq_gather_offset): Likewise.
8102 (__arm_vldrbq_gather_offset_z): Likewise.
8104 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
8106 PR tree-optimization/96392
8107 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
8109 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
8111 PR tree-optimization/96392
8112 * fold-const.c (fold_real_zero_addition_p): Take both arguments
8113 of the addition or subtraction, not just the zero. Use this
8114 other argument in tests for signaling NaNs and signed zeros.
8115 (tree_expr_maybe_real_minus_zero_p): New predicate.
8116 * fold-const.h (fold_real_zero_addition_p): Update prototype.
8117 (tree_expr_maybe_real_minus_zero_p): New function prototype.
8118 * match.pd: Update calls to fold_real_zero_addition_p.
8119 Replace HONOR_NANS with tree_expr_maybe_nan_p.
8120 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
8121 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
8122 * tree-ssa-reassoc.c (eliminate_using_constants): Update
8123 call to fold_real_zero_addition_p.
8125 2021-06-11 Richard Biener <rguenther@suse.de>
8127 PR tree-optimization/101025
8128 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
8129 all refs that require dependence checking.
8131 2021-06-11 Richard Biener <rguenther@suse.de>
8133 PR tree-optimization/101028
8134 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
8135 reassoc discovery fails fatally, mark appropriate lanes
8138 2021-06-11 Richard Biener <rguenther@suse.de>
8140 PR tree-optimization/101026
8141 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
8142 have a representative for the associated chain nodes.
8144 2021-06-11 Jakub Jelinek <jakub@redhat.com>
8146 PR rtl-optimization/101008
8147 * simplify-rtx.c (relational_result): New function.
8148 (simplify_logical_relational_operation,
8149 simplify_relational_operation): Use it.
8151 2021-06-11 Jakub Jelinek <jakub@redhat.com>
8154 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
8156 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
8159 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
8160 false if the permutation can be implemented with constant
8161 permutation instruction in wider mode.
8162 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
8163 Handle V8QImode and V4HImode.
8165 2021-06-11 Martin Liska <mliska@suse.cz>
8167 PR gcov-profile/100788
8168 * common.opt: Add new option.
8169 * coverage.c (coverage_begin_function): Emit warning instead on
8170 the internal compiler error.
8171 * doc/invoke.texi: Document the option.
8172 * toplev.c (process_options): Enable it by default.
8174 2021-06-11 Richard Biener <rguenther@suse.de>
8176 PR middle-end/101009
8177 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
8178 to set *init_b to true when we encounter a constant equal
8180 (compute_affine_dependence): Also dump the actual DR_REF.
8182 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
8184 PR tree-optimization/100984
8185 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
8187 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
8189 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
8191 * config/rs6000/rs6000.md
8192 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
8193 define_insn_and_split.
8195 2021-06-11 Richard Biener <rguenther@suse.de>
8197 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
8198 to sort operands of the associative chain.
8200 2021-06-11 Richard Biener <rguenther@suse.de>
8202 * system.h (gcc_stablesort_r): Declare.
8203 * sort.cc (gcc_sort_r): Support stable sort.
8204 (gcc_stablesort_r): Define.
8205 * vec.h (vec<>::stablesort): Add.
8207 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
8210 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
8211 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
8212 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
8213 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
8214 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
8215 (expand_vec_perm_interleave2): Handle 64bit modes.
8216 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
8217 (expand_vec_perm_even_odd_1): Ditto.
8218 (ix86_vectorize_vec_perm_const): Ditto.
8219 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
8220 * config/i386/sse.md: ... here.
8221 * config/i386/mmx.md (*vec_interleave_lowv2sf):
8222 New insn_and_split pattern.
8223 (*vec_interleave_highv2sf): Ditto.
8224 (mmx_pshufbv8qi3): New insn pattern.
8225 (*mmx_pblendw): Ditto.
8227 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
8229 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
8230 (build_acc): Likewise.
8231 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
8232 source operands in little-endian mode.
8233 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
8234 (mma_init_builtins): Likewise.
8235 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
8236 ordering for the MMA assemble and build source operands.
8237 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
8239 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
8242 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
8244 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
8246 * config/h8300/extensions.md: Replace _clobber_flags patterns
8249 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
8251 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
8252 (vcond_mask_<mode><tointvec>): this.
8254 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
8255 Thomas Schwinge <thomas@codesourcery.com>
8257 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
8258 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
8259 * gimple.h (enum gf_mask): Split
8260 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
8261 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
8262 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
8263 (is_gimple_omp_oacc): Update.
8264 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
8265 * gimplify.c (gimplify_omp_target_update): Likewise.
8266 * omp-expand.c (expand_omp_target, build_omp_regions_1)
8267 (omp_make_gimple_edges): Likewise.
8268 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
8271 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
8273 * value-query.cc (value_query::value_on_edge): Rename name to
8275 (range_query::range_on_edge): Same.
8276 (range_query::value_of_expr): Same.
8277 (range_query::value_on_edge): Same.
8278 * value-query.h (class value_query): Same.
8279 (class range_query): Same.
8281 2021-06-10 Richard Biener <rguenther@suse.de>
8283 PR tree-optimization/101003
8284 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
8285 use the pattern stmt defs when linearizing a chain.
8287 2021-06-10 Jakub Jelinek <jakub@redhat.com>
8290 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
8291 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
8293 2021-06-10 Clement Chigot <clement.chigot@atos.net>
8295 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
8296 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
8298 2021-06-09 Andrew Pinski <apinski@marvell.com>
8300 PR tree-optimization/100925
8301 * match.pd (a ? CST1 : CST2): Limit transformations
8302 that would produce a negative to integeral types only.
8303 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
8305 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8308 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8310 * doc/tm.texi: Correctly update.
8312 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8314 * doc/tm.texi: Correctly update.
8316 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
8319 * doc/tm.texi.in (Trampolines): Add a missing blank line.
8321 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
8324 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
8325 and -ftrampolines work only with Ada.
8326 * doc/tm.texi.in (Trampolines): Likewise.
8327 * doc/tm.texi: Regenerated.
8329 2021-06-09 Carl Love <cel@us.ibm.com>
8331 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
8332 Add define for new builtins.
8333 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
8334 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
8335 overloaded builtin definitions.
8336 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
8337 VSIGNEXTSD2Q): Add builtin expansions.
8338 (SIGNEXT): Add P10 overload definition.
8339 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
8340 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
8341 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
8342 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
8343 vsignextend_si_v2di)[VIlong]: Add define_expand.
8344 Make define_insn vsx_sign_extend_si_v2di visible.
8345 * doc/extend.texi: Add documentation for the vec_signexti,
8346 vec_signextll builtins and vec_signextq.
8348 2021-06-09 Carl Love <cel@us.ibm.com>
8350 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
8351 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
8352 __floattikf_sw, __floatuntikf_sw respectively.
8353 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
8354 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
8355 define_insn for mode IEEE 128.
8357 2021-06-09 Carl Love <cel@us.ibm.com>
8359 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
8360 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
8361 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
8362 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
8363 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
8364 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
8365 uses of VSX_TI to VEC_TI.
8367 2021-06-09 Carl Love <cel@us.ibm.com>
8369 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
8371 2021-06-09 Carl Love <cel@us.ibm.com>
8373 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
8375 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
8376 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
8377 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
8378 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
8379 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
8380 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
8381 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
8383 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
8384 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
8385 altivec_vrlqnm): New define_expands.
8386 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
8387 VCMPGTUT_P): Add macro expansions.
8388 (BU_P10V_AV_P): Add builtin predicate definition.
8389 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
8390 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
8391 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
8392 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
8393 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
8394 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
8395 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
8396 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
8397 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
8398 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
8399 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
8400 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
8401 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
8402 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
8403 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
8404 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
8405 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
8406 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
8407 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
8408 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
8409 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
8410 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
8411 P10V_BUILTIN_MODU_V1TI):
8412 New overloaded definitions.
8413 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
8414 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
8415 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
8416 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
8417 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
8418 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
8420 (altivec_init_builtins): New E_V1TImode case statement.
8421 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
8422 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
8423 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
8424 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
8425 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
8426 E_V1TImode]: New case statements.
8427 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
8428 value RS6000_BTI_bool_V1TI.
8429 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
8430 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
8431 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
8432 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
8433 vlshrv1ti3, vashrv1ti3): New define_expands.
8434 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
8435 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
8436 UNSPEC_VSX_MODUQ): New unspecs.
8437 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
8438 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
8440 (vcmpnet): New define_expand.
8441 * doc/extend.texi: Add documentation for the new builtins vec_rl,
8442 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
8443 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
8444 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
8445 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
8446 vec_any_ge, vec_any_le.
8448 2021-06-09 Carl Love <cel@us.ibm.com>
8450 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
8451 bug in argument generation.
8453 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
8455 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
8457 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
8458 remove <supf> iterator.
8459 (mve_vclzq_u<mode>): New.
8460 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
8461 (neon_vclz<mode): Move to ...
8462 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
8463 * config/arm/vec-common.md: ... here. Add support for MVE.
8465 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
8467 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
8468 (@mve_vrhaddq_<supf><mode): Likewise.
8469 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
8470 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
8471 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
8473 2021-06-09 imba-tjd <109224573@qq.com>
8475 * doc/invoke.texi: Fix typo.
8477 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
8480 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
8481 Support evaluation of fmod/fmodf/fmodl at compile-time.
8483 2021-06-09 Richard Biener <rguenther@suse.de>
8485 PR tree-optimization/100981
8486 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
8487 gimple_get_lhs to also handle calls.
8488 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
8491 2021-06-09 Richard Biener <rguenther@suse.de>
8493 PR tree-optimization/97832
8494 * tree-vectorizer.h (_slp_tree::failed): New.
8495 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
8497 (_slp_tree::~_slp_tree): Free failed.
8498 (vect_build_slp_tree): Retain failed nodes and record
8499 matches in them, copying that back out when running
8500 into a cached fail. Dump start and end of discovery.
8502 (vect_build_slp_tree_2): Handle associatable chains
8503 together doing more aggressive operand swapping.
8505 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
8508 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
8510 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
8511 Linux and GNU targets.
8513 2021-06-09 Richard Biener <rguenther@suse.de>
8515 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
8518 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
8520 * config/arc/arc.md (loop_end): Change it to
8521 define_insn_and_split.
8523 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
8525 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
8526 (machi): New pattern.
8527 (umaddhisi4): Use VMAC2HU instruction.
8528 (umachi): New pattern.
8530 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
8532 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
8533 * config/arc/arc.c (arc_split_move_p): New function.
8534 (arc_split_move): Clean up.
8535 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
8536 (movdf_insn): Likewise.
8537 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
8539 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
8542 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
8543 argument to "raw". Do not emit segment overrides when "raw" is true.
8545 2021-06-09 Martin Liska <mliska@suse.cz>
8547 * doc/gcov.texi: Create a proper JSON files.
8548 * doc/invoke.texi: Remove dots in order to make it a valid
8551 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
8553 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
8554 (insn_is_load_p): Use pattern_is_rotate64.
8555 (insn_is_swap_p): Likewise.
8556 (quad_aligned_load_p): Likewise.
8557 (const_load_sequence_p): Likewise.
8558 (replace_swapped_aligned_load): Likewise.
8559 (recombine_lvx_pattern): Likewise.
8560 (recombine_stvx_pattern): Likewise.
8562 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
8564 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
8565 fur_stmt source record.
8566 * gimple-range.cc (fur_source::get_operand): Generic range query.
8567 (fur_source::get_phi_operand): New.
8568 (fur_source::register_dependency): New.
8569 (fur_source::query): New.
8570 (class fur_edge): New. Edge source for operands.
8571 (fur_edge::fur_edge): New.
8572 (fur_edge::get_operand): New.
8573 (fur_edge::get_phi_operand): New.
8574 (fur_edge::query): New.
8575 (fur_stmt::fur_stmt): New.
8576 (fur_stmt::get_operand): New.
8577 (fur_stmt::get_phi_operand): New.
8578 (fur_stmt::query): New.
8579 (class fur_depend): New. Statement source and process dependencies.
8580 (fur_depend::fur_depend): New.
8581 (fur_depend::register_dependency): New.
8582 (class fur_list): New. List source for operands.
8583 (fur_list::fur_list): New.
8584 (fur_list::get_operand): New.
8585 (fur_list::get_phi_operand): New.
8586 (fold_range): New. Instantiate appropriate fur_source class and fold.
8587 (fold_using_range::range_of_range_op): Use new API.
8588 (fold_using_range::range_of_address): Ditto.
8589 (fold_using_range::range_of_phi): Ditto.
8590 (imple_ranger::fold_range_internal): Use fur_depend class.
8591 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
8592 * gimple-range.h (class fur_source): Now a base class.
8593 (class fur_stmt): New.
8594 (fold_range): New prototypes.
8595 (fur_source::fur_source): Delete.
8597 2021-06-08 Andrew Pinski <apinski@marvell.com>
8599 PR tree-optimization/25290
8600 * tree-ssa-phiopt.c (xor_replacement): Delete.
8601 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
8602 (match_simplify_replacement): Allow one cheap preparation
8603 statement that can be moved to before the if.
8605 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
8607 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
8608 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
8610 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
8612 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
8613 Create length attribute on define_insn_and_split. Only split for cases which we
8615 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
8616 fix length computation.
8617 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
8619 2021-06-08 Richard Biener <rguenther@suse.de>
8621 PR tree-optimization/100923
8622 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
8623 the operand vector to be valueized.
8624 (valueize_refs): Likewise.
8625 (valueize_shared_reference_ops_from_ref): Adjust.
8626 (valueize_shared_reference_ops_from_call): Likewise.
8627 (vn_reference_lookup_3): Likewise.
8628 (vn_reference_lookup_pieces): Likewise. Re-valueize
8629 with honoring availability when we are about to create
8630 the ao_ref and valueized before.
8631 (vn_reference_lookup): Likewise.
8632 (vn_reference_insert_pieces): Adjust.
8634 2021-06-08 Richard Biener <rguenther@suse.de>
8636 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
8637 (_slp_instance::root_stmts): ... a vector.
8638 (SLP_INSTANCE_ROOT_STMT): Rename to ...
8639 (SLP_INSTANCE_ROOT_STMTS): ... this.
8640 (slp_root::root): Change to...
8641 (slp_root::roots): ... a vector.
8642 (slp_root::slp_root): Adjust.
8643 * tree-vect-slp.c (_slp_instance::location): Adjust.
8644 (vect_free_slp_instance): Release the root stmt vector.
8645 (vect_build_slp_instance): Adjust.
8646 (vect_analyze_slp): Likewise.
8647 (_bb_vec_info::~_bb_vec_info): Likewise.
8648 (vect_slp_analyze_operations): Likewise.
8649 (vect_bb_vectorization_profitable_p): Likewise. Adjust
8650 costs for the root stmt.
8651 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
8653 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
8655 (vectorize_slp_instance_root_stmt): Adjust.
8656 (vect_schedule_slp): Likewise.
8658 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
8660 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
8661 (ssa_equiv_stack::ssa_equiv_stack): New.
8662 (ssa_equiv_stack::~ssa_equiv_stack): New.
8663 (ssa_equiv_stack::enter): New.
8664 (ssa_equiv_stack::leave): New.
8665 (ssa_equiv_stack::push_replacement): New.
8666 (ssa_equiv_stack::get_replacement): New.
8667 (is_pointer_ssa): New.
8668 (class pointer_equiv_analyzer): New.
8669 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
8670 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
8671 (pointer_equiv_analyzer::set_global_equiv): New.
8672 (pointer_equiv_analyzer::set_cond_equiv): New.
8673 (pointer_equiv_analyzer::get_equiv): New.
8674 (pointer_equiv_analyzer::enter): New.
8675 (pointer_equiv_analyzer::leave): New.
8676 (pointer_equiv_analyzer::get_equiv_expr): New.
8677 (pta_valueize): New.
8678 (pointer_equiv_analyzer::visit_stmt): New.
8679 (pointer_equiv_analyzer::visit_edge): New.
8680 (hybrid_folder::value_of_expr): Call PTA.
8681 (hybrid_folder::value_on_edge): Same.
8682 (hybrid_folder::pre_fold_bb): New.
8683 (hybrid_folder::post_fold_bb): New.
8684 (hybrid_folder::pre_fold_stmt): New.
8685 (rvrp_folder::pre_fold_bb): New.
8686 (rvrp_folder::post_fold_bb): New.
8687 (rvrp_folder::pre_fold_stmt): New.
8688 (rvrp_folder::value_of_expr): Call PTA.
8689 (rvrp_folder::value_on_edge): Same.
8691 2021-06-08 Jakub Jelinek <jakub@redhat.com>
8694 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
8695 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
8697 2021-06-08 Richard Biener <rguenther@suse.de>
8699 PR middle-end/100951
8700 * tree-vect-generic.c (expand_vector_piecewise): Build a
8701 VECTOR_CST if all elements are constant.
8702 (expand_vector_condition): Likewise.
8703 (lower_vec_perm): Likewise.
8704 (expand_vector_conversion): Likewise.
8706 2021-06-08 Martin Liska <mliska@suse.cz>
8708 * doc/invoke.texi: Document new param evrp-sparse-threshold.
8710 2021-06-08 Martin Liska <mliska@suse.cz>
8712 * genautomata.c (create_automata): Fix typo.
8714 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
8716 PR tree-optimization/100794
8717 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
8718 allow_unroll_p and only allow unrolling when it's true.
8719 (tree_predictive_commoning): Add parameter allow_unroll_p and
8721 (run_tree_predictive_commoning): Likewise.
8722 (pass_predcom::gate): Check flag_tree_loop_vectorize and
8723 global_options_set.x_flag_predictive_commoning.
8724 (pass_predcom::execute): Adjust for allow_unroll_p.
8726 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
8728 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
8729 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
8730 lambda function cleanup, remove scev_reset call, and adjust return
8732 (tree_predictive_commoning): Adjust for different changed values,
8733 only set flag TODO_update_ssa_only_virtuals if changed.
8734 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
8735 from todo_flags_finish.
8737 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
8739 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
8740 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
8741 (sbr_sparse_bitmap::bitmap_set_quad): New.
8742 (sbr_sparse_bitmap::bitmap_get_quad): New.
8743 (sbr_sparse_bitmap::set_bb_range): New.
8744 (sbr_sparse_bitmap::get_bb_range): New.
8745 (sbr_sparse_bitmap::bb_range_p): New.
8746 (block_range_cache::block_range_cache): initialize bitmap obstack.
8747 (block_range_cache::~block_range_cache): Destruct obstack.
8748 (block_range_cache::set_bb_range): Decide when to utilze the
8749 sparse on entry cache.
8750 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
8751 * params.opt (-param=evrp-sparse-threshold): New.
8753 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
8755 * bitmap.c (bitmap_set_aligned_chunk): New.
8756 (bitmap_get_aligned_chunk): New.
8757 (test_aligned_chunk): New.
8758 (bitmap_c_tests): Call test_aligned_chunk.
8759 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
8761 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
8764 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
8766 (ix86_expand_vector_init_one_nonzero): Ditto.
8767 (ix86_expand_vector_init_one_var): Ditto.
8768 (ix86_expand_vector_init_general): Ditto.
8769 * config/i386/mmx.md (vec_initv4qiqi): New expander.
8771 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
8773 * config/h8300/movepush.md: Change most _clobber_flags
8774 patterns to instead use <cczn> subst.
8775 (movsi_cczn): New pattern with usable CC cases split out.
8776 (movsi_h8sx_cczn): Likewise.
8778 2021-06-07 Martin Liska <mliska@suse.cz>
8780 * common/common-target.def: Split long lines and replace them
8782 * target.def: Likewise.
8783 * doc/tm.texi: Re-generated.
8785 2021-06-07 Jakub Jelinek <jakub@redhat.com>
8788 * fold-const.c (fold_read_from_vector): Return NULL if trying to
8789 read from a CONSTRUCTOR with vector type elements.
8791 2021-06-07 Jakub Jelinek <jakub@redhat.com>
8793 PR middle-end/100898
8794 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
8795 should copy any arguments. Don't call gimple_call_num_args
8796 on id->call_stmt or call_stmt more than once.
8798 2021-06-07 liuhongt <hongtao.liu@intel.com>
8801 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
8803 (<insn>v4siv4di2): Delete constraints for define_expand.
8805 2021-06-07 liuhongt <hongtao.liu@intel.com>
8808 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
8809 assignment of cfun->machine->has_explicit_vzeroupper.
8810 * config/i386/i386-features.c
8811 (ix86_add_reg_usage_to_vzerouppers): Delete.
8812 (ix86_add_reg_usage_to_vzeroupper): Ditto.
8813 (rest_of_handle_insert_vzeroupper): Remove
8814 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
8816 (gate): Remove cfun->machine->has_explicit_vzeroupper.
8817 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
8819 * config/i386/i386.c (ix86_insn_callee_abi): New function.
8820 (ix86_initialize_callee_abi): Ditto.
8821 (ix86_expand_avx_vzeroupper): Ditto.
8822 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
8824 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
8825 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
8827 * config/i386/i386.h (struct GTY(()) machine_function): Delete
8828 has_explicit_vzeroupper.
8829 * config/i386/i386.md (enum unspec): New member
8831 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
8832 define_constants for insn callee abi index.
8833 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
8834 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
8835 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
8836 (*avx_vzeroupper): Rename to ..
8837 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
8838 call_insn which has a special vzeroupper ABI.
8839 (*avx_vzeroupper_1): Deleted.
8841 2021-06-07 liuhongt <hongtao.liu@intel.com>
8844 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
8845 it won't use stack pointer reg.
8846 * final.c (leaf_function_p): When call_insn is a fake call, it
8847 won't affect caller as a leaf function.
8848 * reg-stack.c (callee_clobbers_any_stack_reg): New.
8849 (subst_stack_regs): When call_insn doesn't clobber any stack
8850 reg, don't clear the arguments.
8851 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
8853 * shrink-wrap.c (requires_stack_frame_p): No need for stack
8854 frame for a fake call.
8855 * rtl.h (FAKE_CALL_P): New macro.
8857 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
8859 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
8861 (sparc_order_regs_for_local_alloc): ...this.
8862 (sparc_leaf_reg_remap): Declare.
8863 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
8864 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
8865 * config/sparc/sparc.c (leaf_reg_remap): Delete.
8866 (order_regs_for_local_alloc): Rename to...
8867 (sparc_order_regs_for_local_alloc): ...this.
8868 (sparc_leaf_reg_remap): New function.
8869 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
8871 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
8873 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
8874 Use assemble_name to output BSS section name.
8876 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
8878 * config/i386/constraints.md (Bs):
8879 Remove boolean operators from match_test RTX.
8882 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
8885 2021-06-06 Martin Liska <mliska@suse.cz>
8887 * doc/extend.texi: Add missing @headitem.
8888 * doc/invoke.texi: Likewise.
8889 * doc/objc.texi: Likewise.
8891 2021-06-06 Martin Liska <mliska@suse.cz>
8893 * genhooks.c (emit_findices): Remove unused function.
8894 (emit_documentation): Do not call emit_findices
8895 and do not search for @Fcode directives.
8897 2021-06-06 Martin Liska <mliska@suse.cz>
8899 * doc/invoke.texi: Remove extra character.
8901 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8903 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
8905 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8907 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
8908 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
8909 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
8910 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
8912 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8914 * config/or1k/or1k.md (*movdi): Fix empty split condition.
8916 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8918 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
8921 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8923 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
8924 *zero_extendsidi2): Fix empty split condition.
8926 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
8928 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
8930 * config/h8300/bitfield.md: Likewise.
8931 * config/h8300/combiner.md: Likewise.
8932 * config/h8300/divmod.md: Likewise.
8933 * config/h8300/extensions.md: Likewise.
8934 * config/h8300/jumpcall.md: Likewise.
8935 * config/h8300/movepush.md: Likewise.
8936 * config/h8300/multiply.md: Likewise.
8937 * config/h8300/other.md: Likewise.
8938 * config/h8300/shiftrotate.md: Likewise.
8939 * config/h8300/logical.md: Likewise. Fix split pattern to use
8940 code iterator that somehow slipped through.
8942 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
8944 PR middle-end/100905
8945 * tree-nested.c (convert_nonlocal_omp_clauses,
8946 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
8948 2021-06-04 Martin Sebor <msebor@redhat.com>
8950 PR middle-end/100732
8951 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
8952 with either source or destination argument of invalid type.
8953 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
8954 calls with arguments of invalid type.
8956 2021-06-04 Martin Sebor <msebor@redhat.com>
8958 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
8960 (attr_access::vla_bounds): Also handle VLA bounds.
8962 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
8964 * config/i386/predicates.md (GOT_memory_operand):
8965 Implement using match_code RTXes.
8966 (GOT32_symbol_operand): Ditto.
8968 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
8971 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
8973 (ix86_expand_vector_init_general): Ditto.
8974 Use SImode instead of word_mode for logic operations
8975 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
8976 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
8977 implemented by expand_vec_perm_1.
8978 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
8979 should be implemented using standard shuffle patterns.
8980 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
8981 V2HI modes to modes, implementable with shuffle for one operand.
8982 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
8983 (*pshufw_1): New insn pattern.
8984 (*vec_dupv2hi): Ditto.
8985 (vec_initv2hihi): New expander.
8987 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
8989 * config/arm/vfp.md (no_literal_pool_df_immediate,
8990 no_literal_pool_sf_immediate): Fix empty split condition.
8992 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
8994 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
8995 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
8996 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
8997 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
8998 *<sse4_1_avx2>_pblendvb_lt): Likewise.
9000 2021-06-04 Jakub Jelinek <jakub@redhat.com>
9003 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
9004 concatenation from half-sized modes with TImode elements.
9006 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
9008 * config/arc/arc.c (arc_override_options): Disable millicode
9009 thunks when RF16 is on.
9011 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
9013 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
9015 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
9017 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
9018 Replace PROMOTE_MODE marco with its content.
9020 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
9022 * config/cris/cris.md (*addi_reload): Fix empty split condition.
9024 2021-06-03 Jim Wilson <jimw@sifive.com>
9026 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
9027 turn it on for all riscv targets.
9029 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
9032 * config/i386/i386-expand.c (ix86_expand_vector_set):
9033 Handle V2HI and V4QI modes.
9034 (ix86_expand_vector_extract): Ditto.
9035 * config/i386/mmx.md (*pinsrw): New insn pattern.
9038 (*pextrw_zext): Ditto.
9040 (*pextrb_zext): Ditto.
9041 (vec_setv2hi): New expander.
9042 (vec_extractv2hihi): Ditto.
9043 (vec_setv4qi): Ditto.
9044 (vec_extractv4qiqi): Ditto.
9045 (vec_setv8qi): Enable only for TARGET_SSE4_1.
9046 (vec_extractv8qiqi): Ditto.
9048 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
9050 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
9051 order to subf instruction.
9052 * config/rs6000/fusion.md: Regenerate.
9054 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9056 * calls.c (get_size_range): Use range_of_expr instead of
9057 determine_value_range.
9058 * tree-affine.c (expr_to_aff_combination): Same.
9059 * tree-data-ref.c (split_constant_offset): Same.
9060 * tree-vrp.c (determine_value_range_1): Remove.
9061 (determine_value_range): Remove.
9062 * tree-vrp.h (determine_value_range): Remove.
9064 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9066 * function-tests.c (test_ranges): Call gimple_range_tests.
9067 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
9069 * gimple-range.cc (fur_source::get_operand): Do not call
9070 get_tree_range or gimple_range_global.
9072 (get_tree_range): Move to value-query.cc.
9073 Call get_arith_expr_range.
9074 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
9075 Include gimple-range-tests.cc.
9076 * gimple-range.h (fold_range): Add argument.
9077 (get_tree_range): Remove.
9078 * selftest.h (gimple_range_tests): New.
9079 * value-query.cc (global_range_query::range_of_expr): Add
9081 (range_query::get_tree_range): Move from gimple-range.cc.
9082 * value-query.h (class range_query): Add get_tree_range and
9083 get_arith_expr_range. Make fur_source a friend.
9084 * vr-values.c (vr_values::range_of_expr): Pass stmt to
9086 * gimple-range-tests.cc: New file.
9088 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9090 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
9091 update_global_range.
9092 * value-query.cc (update_global_range): New.
9093 * value-query.h (update_global_range): New.
9095 2021-06-03 David Malcolm <dmalcolm@redhat.com>
9097 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
9098 printing the same location twice if there are fix-it hints,
9099 multiple locations, or a label.
9101 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
9103 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
9104 thresholds to narrow the upper bound on epilogue iterations.
9106 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
9108 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
9109 (mve_vabsq_s<mode>): Likewise.
9110 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
9111 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
9112 * config/arm/vec-common.md (neg<mode>2): Rename to
9113 <absneg_str><mode>2.
9115 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
9117 * common/config/arc/arc-common.c (arc_option_optimization_table):
9119 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
9120 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
9121 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
9122 * config/arc/arc.md (abssi2_mixed): Remove pattern.
9123 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
9124 (malign-call): Likewise.
9125 (mmixed-code): Likewise.
9126 * doc/invoke.texi (ARC): Update doc.
9128 2021-06-03 Martin Liska <mliska@suse.cz>
9130 * common.opt: Use proper Enum values.
9131 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
9132 (parse_sanitizer_options): Handle only sanitizer_opts.
9133 (common_handle_option): Just assign value.
9135 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9138 * tree-inline.c (inline_forbidden_p): Remove test on return type.
9140 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9142 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
9143 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
9144 (type_byte_size): Inline into...
9145 (add_byte_size_attribute): ...this and call add_scalar_info.
9147 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9149 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
9150 (typed_binop_from_tree): New function.
9151 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
9152 turn a divide by a power of 2 into a shift.
9153 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
9154 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
9155 typed divide by calling typed_binop_from_tree.
9157 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9159 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
9160 (is_handled_procedure_type): Likewise.
9161 (struct loc_descr_context): Add strict_signedness field.
9162 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
9163 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
9164 (resolve_args_picking): Minor tweak.
9165 (function_to_dwarf_procedure): Initialize strict_signedness field.
9166 (type_byte_size): Likewise.
9167 (field_byte_offset): Likewise.
9168 (gen_descr_array_type_die): Likewise.
9169 (gen_variant_part): Likewise.
9170 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
9171 to true when a context is present before evaluating the arguments.
9172 <COND_EXPR>: Do not generate a useless comparison with zero.
9173 When dereferencing an address, if strict_signedness is true and the
9174 type is small and signed, use DW_OP_deref_type to do the dereference
9175 and then DW_OP_convert to convert back to the generic type.
9177 2021-06-03 Jakub Jelinek <jakub@redhat.com>
9180 * tree-inline.c (copy_tree_body_r): Handle iterators on
9181 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
9183 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
9185 * config/arc/arc.md (*bbit_di): Remove.
9187 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
9189 PR rtl-optimization/100264
9190 * ree.c (get_sub_rtx): Ignore SET expressions without register
9191 destinations and remove assertion, as it is not valid anymore
9192 with this new behaviour.
9193 (merge_def_and_ext): Eliminate destination check for register
9194 as such SET expressions can't occur anymore.
9195 (combine_reaching_defs): Likewise.
9197 2021-06-02 Jakub Jelinek <jakub@redhat.com>
9200 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
9201 -Wtype-limits warnings.
9202 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
9203 in operands to avoid -Wsign-compare warnings.
9205 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
9207 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
9210 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
9212 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
9214 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
9216 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
9218 * config/s390/subst.md(cconly_subst): Use a single constraint
9221 2021-06-02 Martin Liska <mliska@suse.cz>
9223 * ipa-icf.h: Use auto_vec for memory_access_types.
9225 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
9227 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
9228 argument from prototype.
9229 (output_logical_op): Add rtx_code argument.
9230 (compute_logical_op_length): Likewise.
9231 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
9232 to compute_a_shift_length.
9233 (output_logical_op); New argument with the rtx code rather than
9234 extracting it from an operand. Handle QImode too.
9235 (compute_logical_op_length): Similary.
9236 (compute_a_shift_length): Drop unused argument.
9237 * config/h8300/h8300.md (logicals): New code iterator.
9238 * config/h8300/logical.md (<code><mode>3 expander): Combine
9239 the "and" expander with the "ior"/"xor" expander.
9240 (bclr<mode>msx): Combine the QI/HI mode patterns.
9241 (<logical><mode>3 insns): Use code iterator rather than match_operator.
9242 Handle QImode as well. Update call to output_logical_op and
9243 compute_logical_op_length to pass in rtx_code
9244 Fix split condition on all define_insn_and_split patterns.
9245 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
9246 the flags and setting ZN via existing define_subst.
9247 * config/h8300/shiftrotate.md: Drop unused argument from
9248 calls to compute_a_shift_length.
9249 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
9251 2021-06-01 Andrew Pinski <apinski@marvell.com>
9253 PR tree-optimization/25290
9254 * tree-ssa-phiopt.c (match_simplify_replacement):
9256 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
9257 (two_value_replacement): Change the comment about
9258 conditional_replacement.
9259 (conditional_replacement): Delete.
9261 2021-06-01 Andrew Pinski <apinski@marvell.com>
9263 PR tree-optimization/95481
9264 * tree-tailcall.c (find_tail_calls): Handle empty typed
9267 2021-06-01 Andrew Pinski <apinski@marvell.com>
9269 * gimplify.c (zero_sized_field_decl): Delete
9270 (zero_sized_type): Delete
9271 (gimplify_init_ctor_eval): Use is_empty_type instead
9272 of zero_sized_field_decl.
9273 (gimplify_modify_expr): Use is_empty_type instead of
9276 2021-06-01 Jason Merrill <jason@redhat.com>
9279 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
9281 2021-06-01 Jason Merrill <jason@redhat.com>
9284 * diagnostic.h (warning_enabled_at): Declare.
9285 * diagnostic.c (diagnostic_enabled): Factor out from...
9286 (diagnostic_report_diagnostic): ...here.
9287 (warning_enabled_at): New.
9289 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
9291 * gimple-ssa-evrp.c: Enable exporting of global ranges.
9293 2021-06-01 Martin Liska <mliska@suse.cz>
9296 * doc/invoke.texi: Mention that -fgcse-after-reload
9297 is enabled with -O3.
9299 2021-06-01 liuhongt <hongtao.liu@intel.com>
9301 PR tree-optimization/98365
9302 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
9303 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
9304 (convert_scalar_cond_reduction): Ditto.
9305 (predicate_scalar_phi): Ditto.
9307 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9309 PR tree-optimization/100781
9310 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
9311 value calculation by default.
9312 (ranger_cache::enable_new_values): New.
9313 (ranger_cache::disable_new_values): New.
9314 (ranger_cache::push_poor_value): Check if new values are allowed.
9315 * gimple-range-cache.h (class ranger_cache): New member/methods.
9316 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
9317 statement, and disable/renable new value calculation.
9319 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9321 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
9322 (ranger_cache::range_of_def): New.
9323 (ranger_cache::entry_range): New.
9324 (ranger_cache::exit_range): New.
9325 (ranger_cache::range_of_expr): Adjust.
9326 (ranger_cache::range_on_edge): Adjust.
9327 (ranger_cache::propagate_cache): Call exit_range directly.
9328 * gimple-range-cache.h (class ranger_cache): Adjust.
9330 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9332 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
9333 gori_compute being a member rather than base class.
9334 dervied call to member call.
9335 (ranger_cache::dump): No longer dump gori_map.
9336 (ranger_cache::dump_bb): New.
9337 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
9338 being a member rather than base class.
9339 (ranger_cache::set_global_range): Ditto.
9340 (ranger_cache::ssa_range_in_bb): Ditto.
9341 (ranger_cache::range_of_expr): New.
9342 (ranger_cache::range_on_edge): New.
9343 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
9344 (ranger_cache::propagate_cache): Adjust debugging output.
9345 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
9347 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
9348 member, and inherit from range_query instead.
9349 (ranger_cache::dump_bb): New. split from dump.
9350 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
9351 (gori_compute::expr_range_at_stmt): Delete.
9352 (gori_compute::compute_name_range_op): Delete.
9353 (gori_compute::compute_operand_range_switch): Add fur_source.
9354 (gori_compute::compute_operand_range): Add fur_source param, inline
9355 old compute_name_range_op and optimize_logical_operands.
9356 (struct tf_range): Delete.
9357 (gori_compute::logical_combine): Adjust
9358 (gori_compute::optimize_logical_operands): Delete.
9359 (gori_compute::compute_logical_operands_in_chain): Delete.
9360 (gori_compute::compute_logical_operands): Adjust.
9361 (gori_compute::compute_operand1_range): Adjust to fur_source.
9362 (gori_compute::compute_operand2_range): Ditto.
9363 (gori_compute::compute_operand1_and_operand2_range): Ditto.
9364 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
9365 and adjust to fur_source.
9366 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
9367 range_query and fur_source.
9368 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
9369 from the ranger_cache..
9370 (gimple_ranger::fold_range_internal): Adjust to base class change of
9372 (gimple_ranger::dump_bb): Adjust dump.
9373 * gimple-range.h (gimple_ranger):export gori computes object.
9375 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9377 PR tree-optimization/100774
9378 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
9379 Constant values are also not stale.
9380 (ranger_cache::set_global_range): Range invariant values should also
9381 have the correct timestamp.
9383 2021-05-31 Martin Liska <mliska@suse.cz>
9385 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
9386 Unpack FUNCTION_DECL_DECL_TYPE.
9387 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
9388 Stream FUNCTION_DECL_DECL_TYPE instead of
9389 DECL_IS_OPERATOR_NEW_P.
9390 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
9392 (DECL_IS_OPERATOR_NEW_P): Likewise.
9393 (DECL_IS_OPERATOR_DELETE_P): Likewise.
9394 (DECL_LAMBDA_FUNCTION_P): Likewise.
9396 2021-05-31 Richard Biener <rguenther@suse.de>
9399 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
9400 * internal-fn.def (SHUFFLEVECTOR): New.
9401 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
9402 * doc/extend.texi: Document __builtin_shufflevector.
9404 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
9407 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
9408 indexed form addresses.
9410 2021-05-29 Jeff Law <jlaw@tachyum.com>
9412 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
9413 parameter. Call callers fixed.
9415 (output_plussi): Add FALLTHRU markers.
9416 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
9418 2021-05-29 Jakub Jelinek <jakub@redhat.com>
9421 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
9422 combined with parallel, make sure to add shared clause to
9423 parallel for explicit linear clause.
9425 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
9427 PR tree-optimization/100787
9428 * gimple-ssa-evrp.c: Disable exporting of global ranges.
9430 2021-05-28 Jason Merrill <jason@redhat.com>
9432 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
9433 operator--, operator*, operator==, and operator!=.
9434 (class tsi_range): New.
9436 2021-05-28 Richard Biener <rguenther@suse.de>
9438 PR tree-optimization/100778
9439 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
9440 trapping ops in different BBs.
9442 2021-05-28 Richard Biener <rguenther@suse.de>
9445 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
9446 copy fntype from original call.
9448 2021-05-28 Martin Liska <mliska@suse.cz>
9450 PR gcov-profile/100751
9451 * doc/gcov.texi: Revert partially a hunk that was wrong.
9453 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
9455 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
9457 (HAVE_sync_compare_and_swaphi): Likewise.
9458 (HAVE_sync_compare_and_swapsi): Likewise.
9460 2021-05-28 Jakub Jelinek <jakub@redhat.com>
9463 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
9465 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
9467 * gimplify.c (gimplify_omp_affinity): New.
9468 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
9469 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
9470 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
9471 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
9472 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
9474 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
9475 Richard Biener <rguenther@suse.de>
9477 * match.pd <popcount & / + pattern matching>:
9478 When generating popcount directly fails, try doing it in two halves.
9480 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
9482 * Makefile.in (generated_files): Add gimple-match.c and
9485 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
9487 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
9489 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
9491 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
9493 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
9495 PR tree-optimization/99398
9496 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
9497 where the fed operands are CTOR/CST and propagated through
9498 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
9499 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
9501 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
9504 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
9506 * config/i386/mmx.md (addv2sf3): Do not call
9507 ix86_fixup_binary_operands_no_copy.
9510 (<smaxmin:code>v2sf3): Ditto.
9511 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
9512 (<plusminus:insn><VI_32:mode>3): Remove expander.
9513 (<plusminus:insn><VI_32:mode>3): Rename from
9514 "*<plusminus:insn><VI_32:mode>3".
9515 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
9516 (mulv2hi3): Remove expander.
9517 (mulv2hi3): Rename from *mulv2hi3.
9518 (<s>mulv2hi3_highpart): Remove expander.
9519 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
9520 (<smaxmin:code><MMXMODE14:mode>3): Rename from
9521 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
9522 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
9523 (SMAXMIN_MMXMODEI): Remove mode iterator.
9524 (<smaxmin:code>v4hi3): New expander.
9525 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
9526 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
9527 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
9528 (SMAXMIN_VI_32): Remove mode iterator.
9529 (<umaxmin:code><MMXMODE24:mode>3): Rename from
9530 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
9531 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
9532 (UMAXMIN_MMXMODEI): Remove mode iterator.
9533 (<umaxmin:code>v8qi3): New expander.
9534 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
9535 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
9536 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
9537 (UMAXMIN_VI_32): Remove mode iterator.
9538 (<any_shift:insn>v2hi3): Remove expander.
9539 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
9540 (<any_logic:code><MMXMODEI:mode>3): Do not call
9541 ix86_fixup_binary_operands_no_copy.
9542 (<any_logic:code><VI_32:mode>3): Remove expander.
9543 (<any_logic:code><VI_32:mode>3): Rename from
9544 "*<any_logic:code><VI_32:mode>3".
9545 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
9546 * config/i386/sse.md (div<VF2:mode>3): Do not call
9547 ix86_fixup_binary_operands_no_copy.
9548 (div<VF1:mode>3): Ditto.
9549 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
9550 (smulhrsv4hi3): Ditto.
9551 (smulhrsv2hi3): Ditto.
9553 2021-05-27 Martin Sebor <msebor@redhat.com>
9555 * ggc.h (gt_ggc_mx): Add overloads for all integers.
9557 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
9559 (hash_map::operator==): New function.
9561 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
9564 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
9565 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
9566 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
9567 (*xop_maskcmp<VI_32:mode>3): Ditto.
9568 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
9569 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
9571 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
9574 * config/arm/arm.c (arm_configure_build_target): Remove parameter
9575 opts_set, directly check opts parameters for being non-null.
9576 (arm_option_restore): Update call to arm_configure_build_target.
9577 (arm_option_override): Likewise.
9578 (arm_can_inline_p): Likewise.
9579 (arm_valid_target_attribute_tree): Likewise.
9580 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
9581 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
9584 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
9586 * vr-values.c (simplify_conversion_using_ranges): Use
9587 get_range_query instead of get_global_range_query.
9589 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
9591 * gimple-range.cc (get_range_global): Move to value-query.cc.
9592 (gimple_range_global): Same.
9593 (get_global_range_query): Same.
9594 (global_range_query::range_of_expr): Same.
9595 * gimple-range.h (class global_range_query): Move to
9597 (gimple_range_global): Same.
9598 * tree-ssanames.c (get_range_info): Move to value-query.cc.
9599 (get_ptr_nonnull): Same.
9600 * tree-ssanames.h (get_range_info): Remove.
9601 (get_ptr_nonnull): Remove.
9602 * value-query.cc (get_ssa_name_range_info): Move from
9604 (get_ssa_name_ptr_info_nonnull): Same.
9605 (get_range_global): Move from gimple-range.cc.
9606 (gimple_range_global): Same.
9607 (get_global_range_query): Same.
9608 (global_range_query::range_of_expr): Same.
9609 * value-query.h (class global_range_query): Move from
9611 (gimple_range_global): Same.
9613 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
9616 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
9617 (uavgv2hi3_ceil): Ditto.
9619 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
9622 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
9624 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
9626 * tree-ssanames.c (get_range_info): Merge both copies of
9627 get_range_info into one that works with irange.
9628 * tree-ssanames.h (get_range_info): Remove version that works on
9631 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
9633 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
9634 (expand_builtin_strnlen): Same.
9635 (determine_block_size): Same.
9636 * fold-const.c (expr_not_equal_to): Same.
9637 * gimple-fold.c (size_must_be_zero_p): Same.
9638 * gimple-match-head.c: Include gimple-range.h.
9639 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
9640 * gimple-ssa-warn-restrict.c
9641 (builtin_memref::extend_offset_range): Same.
9642 * graphite-sese-to-poly.c (add_param_constraints): Same.
9643 * internal-fn.c (get_min_precision): Same.
9644 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
9645 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
9647 * tree-data-ref.c (split_constant_offset): Same.
9648 (dr_step_indicator): Same.
9649 * tree-dfa.c (get_ref_base_and_extent): Same.
9650 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
9651 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
9652 (determine_value_range): Same.
9653 (record_nonwrapping_iv): Same.
9654 (infer_loop_bounds_from_signedness): Same.
9655 (scev_var_range_cant_overflow): Same.
9656 * tree-ssa-phiopt.c (two_value_replacement): Same.
9657 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
9658 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
9659 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
9661 (dump_strlen_info): Same.
9662 (set_strlen_range): Same.
9663 (maybe_diag_stxncpy_trunc): Same.
9664 (get_len_or_size): Same.
9665 (handle_integral_assign): Same.
9666 * tree-ssa-structalias.c (find_what_p_points_to): Same.
9667 * tree-ssa-uninit.c (find_var_cmp_const): Same.
9668 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
9669 * tree-vect-patterns.c (vect_get_range_info): Same.
9670 (vect_recog_divmod_pattern): Same.
9671 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
9672 (register_edge_assert_for_2): Same.
9673 (determine_value_range_1): Same.
9674 * tree.c (get_range_pos_neg): Same.
9675 * vr-values.c (vr_values::get_lattice_entry): Same.
9676 (vr_values::update_value_range): Same.
9677 (simplify_conversion_using_ranges): Same.
9679 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
9681 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
9682 get_range_query instead of query argument.
9683 (pass_walloca::execute): Enable and disable global ranger.
9685 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
9687 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
9689 (rvrp_folder::~rvrp_folder): Call disable_ranger.
9690 (hybrid_folder::hybrid_folder): Call enable_ranger.
9691 (hybrid_folder::~hybrid_folder): Call disable_ranger.
9693 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
9695 * function.c (allocate_struct_function): Set cfun->x_range_query.
9696 * function.h (struct function): Declare x_range_query.
9697 (get_range_query): New.
9698 (get_global_range_query): New.
9699 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
9700 Remove call to safe_grow_cleared.
9701 * gimple-range.cc (get_range_global): New.
9702 (gimple_range_global): Move from gimple-range.h.
9703 (get_global_range_query): New.
9704 (global_range_query::range_of_expr): New.
9705 (enable_ranger): New.
9706 (disable_ranger): New.
9707 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
9708 (class global_range_query): New.
9709 (enable_ranger): New.
9710 (disable_ranger): New.
9711 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
9712 dump_all_value_ranges to dump.
9713 * tree-vrp.c (vrp_prop::finalize): Same.
9714 * value-query.cc (range_query::dump): New.
9715 * value-query.h (range_query::dump): New.
9716 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
9717 (vr_values::dump): ...this.
9718 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
9719 dump and make virtual.
9721 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
9723 * config/i386/i386.c (ix86_autovectorize_vector_modes):
9724 Add V4QImode and V16QImode for TARGET_SSE2.
9725 * doc/sourcebuild.texi (Vector-specific attributes):
9726 Add vect64 and vect32 description.
9728 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
9730 * gimple-range-gori.cc (range_def_chain::register_dependency):
9731 Resize m_def_chain when needed.
9733 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
9735 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
9736 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
9737 * config/arm/vec-common.md: .. here. Add support for MVE.
9739 2021-05-26 Jakub Jelinek <jakub@redhat.com>
9741 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
9743 * config/microblaze/microblaze.c (microblaze_legitimize_address,
9745 microblaze_option_override, print_operand): Likewise.
9746 * config/microblaze/microblaze.md (call_internal_plt,
9747 call_value_intern_plt, call_value_intern): Likewise.
9748 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
9749 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
9750 call_value_multiple_internal1): Likewise.
9751 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
9753 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9755 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
9756 arc_ccfsm_advance, symbolic_reference_mentioned_p,
9757 arc_raw_symbolic_reference_mentioned_p): Remove register
9760 2021-05-26 Jakub Jelinek <jakub@redhat.com>
9763 * omp-low.c: Include omp-offload.h.
9764 (create_omp_child_function): If current_function_decl has
9765 "omp declare target" attribute and is_gimple_omp_offloaded,
9766 remove that attribute from the copy of attribute list and
9767 add "omp target entrypoint" attribute instead.
9768 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
9769 variables for offloading if in omp_maybe_offloaded_ctx.
9770 * omp-offload.c (pass_omp_target_link::execute): Nullify second
9771 argument to GOMP_target_data_ext in offloaded code.
9773 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
9775 * config/csky/csky.c (csky_can_change_mode_class): Delete.
9776 For csky, HF/SF mode use the low bits of VREGS.
9778 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
9780 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
9781 DECL which is a reference for OMP.
9783 2021-05-26 Martin Liska <mliska@suse.cz>
9785 PR gcov-profile/100751
9786 * doc/gcov.texi: Document that __gcov_dump can be called just
9787 once and that __gcov_reset resets run-time counters.
9789 2021-05-26 Martin Liska <mliska@suse.cz>
9791 * doc/install.texi: Port relevant part from install-old.texi
9792 and re-generate list of CPUs and systems.
9794 2021-05-26 Martin Liska <mliska@suse.cz>
9796 * Makefile.in: Remove it.
9797 * doc/include/fdl.texi: Update next/previous chapters.
9798 * doc/install.texi: Likewise.
9799 * doc/install-old.texi: Removed.
9801 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
9803 * config/csky/csky.c (ck810_legitimate_index_p): Support
9804 "base + index" with DF mode.
9805 * config/csky/constraints.md ("Y"): New constraint for memory operands
9806 without index register.
9807 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
9808 when mov between memory and general registers, and lower their priority.
9809 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
9811 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
9813 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
9815 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
9817 * config/csky/csky.md (untyped_call): Emit clobber for return
9818 registers to mark them used.
9820 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
9822 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
9824 2021-05-26 Andrew Pinski <apinski@marvell.com>
9826 * match.pd (x < 0 ? ~y : y): New patterns.
9828 2021-05-26 Andrew Pinski <apinski@marvell.com>
9830 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
9831 A?POW2:0 and A?0:POW2.
9833 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9835 * gimple-range-gori.cc (class logical_stmt_cache): Delete
9836 (logical_stmt_cache::logical_stmt_cache ): Delete.
9837 (logical_stmt_cache::~logical_stmt_cache): Delete.
9838 (logical_stmt_cache::cache_entry::dump): Delete.
9839 (logical_stmt_cache::get_range): Delete.
9840 (logical_stmt_cache::cached_name ): Delete.
9841 (logical_stmt_cache::same_cached_name): Delete.
9842 (logical_stmt_cache::cacheable_p): Delete.
9843 (logical_stmt_cache::slot_diagnostics ): Delete.
9844 (logical_stmt_cache::dump): Delete.
9845 (gori_compute_cache::gori_compute_cache): Delete.
9846 (gori_compute_cache::~gori_compute_cache): Delete.
9847 (gori_compute_cache::compute_operand_range): Delete.
9848 (gori_compute_cache::cache_stmt): Delete.
9849 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
9851 (class gori_compute_cache): Delete.
9853 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9855 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
9857 (fold_using_range::range_of_address): Adjust.
9858 (fold_using_range::range_of_phi): Adjust.
9859 * gimple-range.h (class fur_source): Adjust.
9860 (fur_source::fur_source): Adjust.
9862 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9864 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
9865 from expr_range_in_bb and adjust.
9866 (gori_compute::compute_name_range_op): Adjust.
9867 (gori_compute::optimize_logical_operands): Adjust.
9868 (gori_compute::compute_logical_operands_in_chain): Adjust.
9869 (gori_compute::compute_operand1_range): Adjust.
9870 (gori_compute::compute_operand2_range): Adjust.
9871 (ori_compute_cache::cache_stmt): Adjust.
9872 * gimple-range-gori.h (gori_compute): Rename prototype.
9874 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9876 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
9877 checked only after range_of_stmt, not range_on_entry.
9878 (gimple_ranger::range_on_entry): Check for non-null in any
9879 predecessor block, if it is not already non-null.
9880 (gimple_ranger::range_on_exit): DOnt check for non-null after
9881 range on entry call.
9882 (gimple_ranger::dump_bb): New. Split from dump.
9883 (gimple_ranger::dump): Adjust.
9884 * gimple-range.h (class gimple_ranger): Adjust.
9886 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9888 * gimple-range-cache.cc (struct range_timestamp): Delete.
9889 (class temporal_cache): Adjust.
9890 (temporal_cache::get_timestamp): Delete.
9891 (temporal_cache::set_dependency): Delete.
9892 (temporal_cache::temporal_value): Adjust.
9893 (temporal_cache::current_p): Take dependencies as params.
9894 (temporal_cache::set_timestamp): Adjust.
9895 (temporal_cache::set_always_current): Adjust.
9896 (ranger_cache::get_non_stale_global_range): Adjust.
9897 (ranger_cache::register_dependency): Delete.
9898 * gimple-range-cache.h (class range_cache): Adjust.
9900 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9902 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
9904 (range_def_chain::~range_def_chain): Dispose of obstack rather than
9905 each individual bitmap.
9906 (range_def_chain::set_import): New.
9907 (range_def_chain::get_imports): New.
9908 (range_def_chain::chain_import_p): New.
9909 (range_def_chain::register_dependency): Rename from build_def_chain
9911 (range_def_chain::def_chain_in_bitmap_p): New.
9912 (range_def_chain::add_def_chain_to_bitmap): New.
9913 (range_def_chain::has_def_chain): Just check first depenedence.
9914 (range_def_chain::get_def_chain): Process imports, use generic
9915 register_dependency routine.
9916 (range_def_chain::dump): New.
9917 (gori_map::gori_map): Allocate import list.
9918 (gori_map::~gori_map): Release imports.
9919 (gori_map::exports): Check for past allocated block size.
9920 (gori_map::imports): New.
9921 (gori_map::def_chain_in_export_p): Delete.
9922 (gori_map::is_import_p): New.
9923 (gori_map::maybe_add_gori): Handle imports.
9924 (gori_map::dump): Adjust output, add imports.
9925 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
9926 (gori_export_iterator::gori_export_iterator): New.
9927 (gori_export_iterator::next): New.
9928 (gori_export_iterator::get_name): New.
9929 * gimple-range-gori.h (range_def_chain): Add imports and direct
9930 dependecies via struct rdc.
9931 (range_def_chain::depend1): New.
9932 (range_def_chain::depend2): New.
9933 (class gori_map): Adjust.
9934 (FOR_EACH_GORI_IMPORT_NAME): New.
9935 (FOR_EACH_GORI_EXPORT_NAME): New.
9936 (class gori_export_iterator): New.
9938 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9940 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
9941 export cache filling to here.
9942 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
9944 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9946 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
9947 (gori_map): Move to gimple-range-gori.h.
9948 (gori_compute::gori_compute): Adjust.
9949 (gori_compute::~gori_compute): Delete.
9950 (gori_compute::compute_operand_range_switch): Adjust.
9951 (gori_compute::compute_operand_range): Adjust.
9952 (gori_compute::compute_logical_operands): Adjust.
9953 (gori_compute::has_edge_range_p ): Adjust.
9954 (gori_compute::set_range_invariant): Delete.
9955 (gori_compute::dump): Adjust.
9956 (gori_compute::outgoing_edge_range_p): Adjust.
9957 * gimple-range-gori.h (class range_def_chain): Relocate here.
9958 (class gori_map): Relocate here.
9959 (class gori_compute): Inherit from gori_map, and adjust.
9961 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
9963 * value-range.cc (range_tests_legacy): Use
9964 build_nonstandard_integer_type instead of int and short.
9966 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
9968 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
9969 when really creating an initialization statement for it.
9971 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
9973 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
9975 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
9977 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
9979 2021-05-25 Martin Liska <mliska@suse.cz>
9981 PR tree-optimization/92860
9983 * optc-save-gen.awk: Remove exceptions.
9985 2021-05-25 Martin Liska <mliska@suse.cz>
9987 * asan.h (sanitize_coverage_p): New function.
9988 * doc/extend.texi: Document it.
9989 * fold-const.c (fold_range_test): Use sanitize_flags_p
9990 instead of flag_sanitize_coverage.
9991 (fold_truth_andor): Likewise.
9992 * sancov.c: Likewise.
9993 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
9994 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
9995 -fsanitize-coverage when inlining.
9997 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
9999 * config/csky/csky-modes.def : Fix copyright.
10001 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
10003 * config/csky/csky-modes.def : Amend copyright.
10004 * config/csky/csky_insn_fpuv2.md : Likewise.
10005 * config/csky/csky_insn_fpuv3.md : Likewise.
10007 2021-05-25 Richard Biener <rguenther@suse.de>
10009 PR middle-end/100727
10010 * calls.c (initialize_argument_information): Explicitely test
10011 for WITH_SIZE_EXPR.
10012 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
10014 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10016 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
10017 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
10018 the signle definition. The signle definition may not work well
10019 at simplify_subreg_regno().
10020 (HARD_FRAME_POINTER_REGNUM): New.
10021 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
10022 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
10023 csky_initial_elimination_offset, csky_expand_prologue,
10024 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
10026 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10028 * config/csky/csky.c (csky_option_override):
10029 Init csky_arch_isa_features[] in advance, so TARGET_DSP
10030 and TARGET_DIV can be set well.
10032 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10034 * config/csky/constraints.md ("l", "h"): Delete.
10035 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
10036 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
10037 * config/csky/csky.c (regno_reg_classm,
10038 csky_secondary_reload, csky_register_move_cost):
10039 Use HILO_REGS instead of LO_REGS and HI_REGS.
10041 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10043 * config/csky/constraints.md ("W"): New constriant for mem operand
10044 with base reg, index register.
10045 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
10046 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
10048 ("Dv"): New constraint for const double value that can be used at
10050 * config/csky/csky-modes.def (HFmode): New mode.
10051 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
10052 to "csky_valid_mem_constraint_operand" and support new constraint
10054 (csky_get_movedouble_length): New.
10055 (fpuv3_output_move): New.
10056 (fpuv3_const_double): New.
10057 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
10058 (decompose_csky_address): Refine.
10059 (csky_print_operand): New "CONST_DOUBLE" operand.
10060 (csky_output_move): Support fpv3 instructions.
10061 (csky_get_movedouble_length): New.
10062 (fpuv3_output_move): New.
10063 (fpuv3_const_double): New.
10064 (csky_emit_compare): Cover float comparsion.
10065 (csky_emit_compare_float): Refine.
10066 (csky_vaild_fpuv2_mem_operand): Rename to
10067 "csky_valid_mem_constraint_operand" and support new constraint "W".
10068 (ck860_rtx_costs): New.
10069 (csky_rtx_costs): Add the cost calculation of CK860.
10070 (regno_reg_class): New vregs for fpuv3.
10071 (csky_dbx_regno): Likewise.
10072 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
10073 (csky_conditional_register_usage): Suporrot fpuv3.
10074 (csky_dwarf_register_span): Suporrot fpuv3.
10075 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
10076 (ck810_legitimate_index_p): Support fp16.
10077 * config/csky/csky.h (TARGET_TLS): ADD CK860.
10078 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
10079 (TARGET_SINGLE_FPU): Support fpuv3.
10080 (TARGET_SUPPORT_FPV3): New.
10081 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
10082 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
10083 REG_CLASS_CONTENTS): Support fpuv3.
10084 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
10085 (csky_movsf_fpv2): Likewise.
10086 (ck801_movsf): Likewise.
10087 (csky_movsf): Likewise.
10089 (csky_movdf_fpv2): Likewise.
10090 (ck801_movdf): Likewise.
10091 (csky_movdf): Likewise.
10092 (movsicc): Refine. Use "comparison_operatior" instead of
10093 "ordered_comparison_operatior".
10094 (addsicc): Likewise.
10095 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
10096 (call_value_internal_vh): New.
10097 * config/csky/csky_cores.def (CK860): New arch and cpu.
10102 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
10103 into emit-patterns and match-patterns, remain the emit-patterns here,
10104 and move the match-patterns to csky_insn_fpuv2.md or
10105 csky_insn_fpuv3.md.
10106 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
10107 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
10109 * config/csky/csky_isa.def (fcr): New.
10114 (CK860): New definition for ck860.
10115 * config/csky/csky_tables.opt (ck860): New processors ck860,
10116 ck860f. And new arch ck860.
10121 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
10122 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
10123 * config/csky/t-csky-elf: Support 860.
10124 * config/csky/t-csky-linux: Likewise.
10125 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
10127 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
10129 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
10130 add generation of logical-add and add-logical fusion pairs.
10131 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
10133 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
10134 logical-add and add-logical fusion by default.
10135 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
10136 -mpower10-fusion-add-logical options.
10137 * config/rs6000/fusion.md: Regenerate file.
10139 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
10141 * value-range.cc (irange::legacy_equal_p): Check type when
10142 comparing VR_VARYING types.
10143 (range_tests_legacy): Test comparing VARYING ranges of different
10146 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
10148 * config/aarch64/aarch64.c (neoversen1_tunings):
10149 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
10151 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
10153 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
10154 extern weak symbols. Limit symbol offsets for non-GOT symbols with
10157 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
10159 * config/arm/neon.md (vec_load_lanesxi<mode>)
10160 (vec_store_lanexoi<mode>): Move ...
10161 * config/arm/vec-common.md: here.
10163 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
10165 * config/arm/neon.md (vec_load_lanesoi<mode>)
10166 (vec_store_lanesoi<mode>): Move ...
10167 * config/arm/vec-common.md: here.
10169 2021-05-24 liuhongt <hongtao.liu@intel.com>
10172 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
10173 stmt with GIMPLE_NOP when lhs doesn't exist.
10175 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
10178 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
10179 New instruction pattern.
10180 (*push<VI_32:mode>2): Ditto.
10181 (push splitter for SSE registers): New splitter.
10183 2021-05-23 Andrew Pinski <apinski@marvell.com>
10185 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
10187 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
10189 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
10190 * config/rs6000/fusion.md: Regenerate file.
10192 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
10194 * config/rs6000/genfusion.pl (gen_addadd): New function.
10195 * config/rs6000/fusion.md: Regenerate file.
10196 * config/rs6000/rs6000-cpus.def: Add
10197 OPTION_MASK_P10_FUSION_2ADD to masks.
10198 * config/rs6000/rs6000.c (rs6000_option_override_internal):
10199 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
10200 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
10202 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10204 PR middle-end/99928
10205 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
10206 * gimplify.c (enum gimplify_omp_var_data): Fix up
10207 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
10208 (omp_lastprivate_for_combined_outer_constructs): If combined target
10209 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
10210 GOVD_MAP | GOVD_SEEN.
10211 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
10212 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
10213 (gimplify_adjust_omp_clauses): For firstprivate clauses with
10214 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
10215 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
10216 let it be replaced by implicit map clause.
10218 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10220 PR middle-end/99928
10221 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
10223 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
10224 (gimplify_omp_for): Likewise.
10226 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10228 PR middle-end/90115
10229 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
10230 'external' in blocks.
10232 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10234 PR middle-end/90115
10235 * flag-types.h (enum openacc_privatization): New.
10236 * params.opt (-param=openacc-privatization): New.
10237 * doc/invoke.texi (openacc-privatization): Document it.
10238 * omp-general.h (get_openacc_privatization_dump_flags): New
10240 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
10241 * omp-offload.c (execute_oacc_device_lower)
10242 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
10243 * target.def (goacc.adjust_private_decl): Add 'location_t'
10245 * doc/tm.texi: Regenerate.
10246 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
10247 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
10248 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
10249 Likewise. Preserve it for...
10250 (nvptx_goacc_expand_var_decl): ... use here.
10252 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10254 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
10257 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10259 PR middle-end/90115
10260 * omp-low.c (oacc_privatization_candidate_p): New function.
10261 (oacc_privatization_scan_clause_chain)
10262 (oacc_privatization_scan_decl_chain): Use it. Also
10263 'gcc_checking_assert' that we're not seeing duplicates.
10265 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10267 PR middle-end/90115
10268 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
10271 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10273 PR middle-end/90115
10274 * omp-offload.c (execute_oacc_device_lower): Explain.
10276 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10278 PR middle-end/90115
10279 * omp-offload.c (execute_oacc_device_lower)
10280 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
10282 * internal-fn.c (expand_UNIQUE): Don't expect
10283 'IFN_UNIQUE_OACC_PRIVATE'.
10285 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10287 PR middle-end/90115
10288 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
10290 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10292 PR middle-end/90115
10293 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
10294 (nvptx_goacc_expand_var_decl): Tighten.
10296 2021-05-21 Julian Brown <julian@codesourcery.com>
10297 Chung-Lin Tang <cltang@codesourcery.com>
10298 Thomas Schwinge <thomas@codesourcery.com>
10300 PR middle-end/90115
10301 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
10302 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
10303 * doc/tm.texi: Regenerate.
10304 * expr.c (expand_expr_real_1): Expand decls using the
10305 expand_var_decl OpenACC hook if defined.
10306 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
10307 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
10308 * omp-low.c (omp_context): Add oacc_privatization_candidates
10310 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
10312 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
10313 private marker's gimple call arguments, and pass it to
10314 lower_oacc_reductions.
10315 (oacc_privatization_scan_clause_chain)
10316 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
10318 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
10319 * omp-offload.c (convert.h): Include.
10320 (oacc_loop_xform_head_tail): Treat private-variable markers like
10321 fork/join when transforming head/tail sequences.
10322 (struct var_decl_rewrite_info): Add struct.
10323 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
10324 (execute_oacc_device_lower): Support rewriting gang-private
10325 variables using target hook, and fix up addr_expr and var_decl
10327 * target.def (adjust_private_decl, expand_var_decl): New hooks.
10328 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
10330 (gcn_goacc_adjust_private_decl): ...this.
10331 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
10333 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
10334 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
10335 definition using gcn_goacc_adjust_gangprivate_decl...
10336 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
10337 gcn_goacc_adjust_private_decl.
10338 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
10339 (gang_private_shared_size): New global variable.
10340 (gang_private_shared_align): Likewise.
10341 (gang_private_shared_sym): Likewise.
10342 (gang_private_shared_hmap): Likewise.
10343 (nvptx_option_override): Initialize these.
10344 (nvptx_file_end): Output gang_private_shared_sym.
10345 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
10347 (nvptx_set_current_function): Clear gang_private_shared_hmap.
10348 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
10349 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
10351 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
10353 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
10355 2021-05-21 Richard Biener <rguenther@suse.de>
10356 H.J. Lu <hjl.tools@gmail.com>
10358 PR middle-end/90773
10359 * expr.c (expand_constructor): Elide expand_constructor if
10360 move by pieces is preferred.
10362 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10364 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
10365 Take a flag and mode value as arguments.
10366 (aarch64_modifies_global_state_p): Likewise.
10367 (aarch64_reads_global_state_p): Likewise.
10368 (aarch64_could_trap_p): Likewise.
10369 (aarch64_get_attributes): Likewise.
10370 (aarch64_init_simd_builtins): Adjust callsite of above.
10371 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
10372 function attributes to apply to builtins.
10373 (aarch64_init_crc32_builtins): Likewise.
10374 (aarch64_init_builtin_rsqrt): Likewise.
10376 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
10378 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
10379 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
10380 (gen_2logical): Use new fusion types.
10381 * config/rs6000/fusion.md: Regenerate.
10383 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
10386 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
10387 Handle V4QI and V2HI modes.
10388 (ix86_expand_sse_movcc): Ditto.
10389 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
10390 New instruction pattern.
10391 (*eq<VI_32:mode>3): Ditto.
10392 (*gt<VI_32:mode>3): Ditto.
10393 (*xop_pcmov_<VI_32:mode>): Ditto.
10394 (mmx_pblendvb32): Ditto.
10395 (mmx_pblendvb64): Rename from mmx_pblendvb.
10396 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
10397 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
10398 (vcond<VI_32:mode><VI_32:mode>): Ditto.
10399 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
10400 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
10402 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10404 PR tree-optimization/94589
10405 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
10406 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
10407 not the same as cmp3) treat <= the same as < and >= the same as >.
10408 Don't require that cond2_phi_edge is true edge, instead take
10409 false/true edges into account based on cmp1/cmp2 comparison kinds.
10411 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
10414 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
10415 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
10416 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
10417 using SMAXMIN_MMXMODEI mode iterator.
10418 (*<smaxmin:code>v4qi3): New insn pattern.
10419 (*<smaxmin:code>v2hi3): Ditto.
10420 (SMAXMIN_VI_32): New mode iterator.
10421 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
10422 (UMAXMIN_MMXMODEI): New mode iterator.
10423 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
10424 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
10425 using UMAXMIN_MMXMODEI mode iterator.
10426 (*<umaxmin:code>v4qi3): New insn pattern.
10427 (*<umaxmin:code>v2hi3): Ditto.
10428 (UMAXMIN_VI_32): New mode iterator.
10429 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
10430 (abs<VI_32:mode>2): New insn pattern.
10431 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
10432 * config/i386/sse.md: ... here.
10434 2021-05-20 Clement Chigot <clement.chigot@atos.net>
10435 David Edelsohn <dje.gcc@gmail.com>
10437 * collect2.c (scan_prog_file): Issue non-fatal warning for
10440 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
10442 * doc/invoke.texi (-Wno-c++11-extensions)
10443 (-Wno-c++14-extensions, -Wno-c++17-extensions)
10444 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
10447 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
10449 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
10450 * config/darwin.c (darwin_override_options): Likewise.
10451 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
10452 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
10453 (DWARF2_FRAME_REG_OUT): Likewise.
10454 * config/mips/mips.c (mips_output_filename): Likewise.
10455 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
10457 (rs6000_dbx_register_number): Likewise.
10458 * dbxout.c: Include flags.h.
10459 * dwarf2cfi.c (cfi_label_required_p): Likewise.
10460 (dwarf2out_do_frame): Likewise.
10461 * except.c: Include flags.h.
10462 * final.c (dwarf2_debug_info_emitted_p): Likewise.
10463 (final_scan_insn_1): Likewise.
10464 * flags.h (dwarf_debuginfo_p): New function declaration.
10465 * opts.c (dwarf_debuginfo_p): New function definition.
10466 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
10467 * toplev.c (process_options): Likewise.
10469 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
10471 * common.opt: Change type to support bitmasks.
10472 * flag-types.h (enum debug_info_type): Rename enumerator constants.
10473 (NO_DEBUG): New bitmask.
10474 (DBX_DEBUG): Likewise.
10475 (DWARF2_DEBUG): Likewise.
10476 (XCOFF_DEBUG): Likewise.
10477 (VMS_DEBUG): Likewise.
10478 (VMS_AND_DWARF2_DEBUG): Likewise.
10479 * flags.h (debug_set_to_format): New function declaration.
10480 (debug_set_count): Likewise.
10481 (debug_set_names): Likewise.
10482 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
10483 (debug_set_to_format): New function definition.
10484 (debug_set_count): Likewise.
10485 (debug_set_names): Likewise.
10486 (set_debug_level): Update access to debug_type_names.
10487 * toplev.c: Likewise.
10489 2021-05-20 Martin Sebor <msebor@redhat.com>
10491 PR middle-end/100684
10492 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
10494 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
10497 * config/i386/i386.md (isa): Remove x64_bmi.
10498 (enabled): Remove x64_bmi.
10499 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
10500 Remove general register alternative.
10501 (*andnot<VI_32:mode>3): Ditto.
10502 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
10503 (*<any_logic:code><VI_32:mode>3): Ditto.
10505 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
10507 * config/arm/arm.c: Include head files tree-vectorizer.h and
10510 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
10513 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
10514 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
10515 (<s>mulv4hi3_highpart): New expander.
10516 (*<s>mulv2hi3_highpart): New insn pattern.
10517 (<s>mulv2hi3_higpart): New expander.
10518 (*<any_shift:insn>v2hi3): New insn pattern.
10519 (<any_shift:insn>v2hi3): New expander.
10520 * config/i386/sse.md (smulhrsv2hi3): New expander.
10521 (*smulhrsv2hi3): New insn pattern.
10523 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
10525 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
10527 * params.opt (vect-inner-loop-cost-factor): New.
10528 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
10529 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
10530 tree-vectorizer.h and its required ones.
10531 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
10532 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
10533 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
10534 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
10535 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
10536 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
10538 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
10539 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
10540 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
10542 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
10543 Torbjörn Svensson <torbjorn.svensson@st.com>
10546 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
10548 2021-05-20 Jakub Jelinek <jakub@redhat.com>
10550 PR middle-end/99928
10551 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
10552 explicit linear clause when combined with target, make it map(tofrom:)
10553 instead of no clause or firstprivate.
10555 2021-05-20 Jakub Jelinek <jakub@redhat.com>
10557 PR tree-optimization/94589
10558 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
10559 of integral conversions.
10561 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
10563 * gimple-range.cc (fur_source::get_operand): New.
10564 (gimple_range_fold): Delete.
10565 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
10566 (fold_using_range::range_of_range_op): Move from gimple_ranger.
10567 (fold_using_range::range_of_address): Ditto.
10568 (fold_using_range::range_of_phi): Ditto.
10569 (fold_using_range::range_of_call): Ditto.
10570 (fold_using_range::range_of_builtin_ubsan_call): Move from
10571 range_of_builtin_ubsan_call.
10572 (fold_using_range::range_of_builtin_call): Move from
10573 range_of_builtin_call.
10574 (gimple_ranger::range_of_builtin_call): Delete.
10575 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
10576 (gimple_ranger::fold_range_internal): New.
10577 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
10578 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
10579 gimple_ranger. Improve ranges of SSA_NAMES when possible.
10580 * gimple-range.h (gimple_ranger): Remove various range_of routines.
10581 (class fur_source): New.
10582 (class fold_using_range): New.
10583 (fur_source::fur_source): New.
10585 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
10586 instead of range_of_builtin_call.
10588 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
10590 * doc/cpp.texi (Common Predefined Macros): Update documentation
10591 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
10593 2021-05-19 Alex Coplan <alex.coplan@arm.com>
10596 * config/arm/arm.md (nonsecure_call_internal): Always ensure
10597 callee's address is in a register.
10599 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
10601 * common/config/riscv/riscv-common.c
10602 (riscv_subset_list::parsing_subset_version): Properly parse the letter
10604 (riscv_subset_list::parse_std_ext,
10605 riscv_subset_list::parse_multiletter_ext): To handle errors generated
10606 in riscv_subset_list::parsing_subset_version.
10608 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
10610 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
10611 type attribute in patterns generating XTN(2).
10613 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
10615 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
10616 Remove as duplicate of...
10617 (aarch64_xtn<mode>): This.
10618 (aarch64_xtn2<mode>_le): Move position in file.
10619 (aarch64_xtn2<mode>_be): Move position in file.
10620 (aarch64_xtn2<mode>): Move position in file.
10621 (vec_pack_trunc_<mode>): Define as an expander.
10623 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
10625 * config/aarch64/aarch64-simd-builtins.def: Split builtin
10626 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
10627 separate scalar and vector generators.
10628 * config/aarch64/aarch64-simd.md
10629 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
10631 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
10632 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
10633 * config/aarch64/iterators.md: Define SD_HSDI iterator.
10635 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
10637 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
10639 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
10641 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
10643 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
10644 Implement as an expand emitting a big/little endian
10645 instruction pattern.
10646 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
10647 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
10649 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
10651 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
10652 Implement as an expand emitting a big/little endian
10653 instruction pattern.
10654 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
10655 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
10656 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
10657 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
10659 2021-05-19 Richard Biener <rguenther@suse.de>
10661 PR middle-end/100672
10662 * fold-const.c (fold_negate_expr_1): Use element_precision.
10663 (negate_expr_p): Likewise.
10665 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
10667 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
10668 (pred_load): New int attribute.
10669 * config/aarch64/aarch64-sve.md
10670 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
10671 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
10672 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
10673 code_for_aarch64_load.
10675 2021-05-19 Richard Biener <rguenther@suse.de>
10677 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
10678 sure TARGET_MEM_REF bases are expanded as memory.
10679 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
10680 Do not mark TARGET_MEM_REF bases addressable.
10681 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
10682 TARGET_MEM_REF bases as never rewritable.
10683 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
10684 walk TARGET_MEM_REF bases as address-takens.
10685 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
10687 2021-05-19 Richard Biener <rguenther@suse.de>
10689 * builtins.c (get_object_alignment_1): Strip outer
10691 * tree-dfa.c (get_ref_base_and_extent): Handle outer
10692 WITH_SIZE_EXPR for size processing and process the
10694 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
10695 outer WITH_SIZE_EXPR.
10696 (ao_ref_base_alias_ptr_type): Likewise.
10697 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
10698 and handle that accordingly, stripping it for the
10699 core alias workers.
10700 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
10701 looking through it instead of returning NULL.
10703 2021-05-19 Jakub Jelinek <jakub@redhat.com>
10705 PR middle-end/100576
10706 * builtins.c (check_read_access): Convert bound to size_type_node if
10709 2021-05-19 Richard Biener <rguenther@suse.de>
10711 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
10712 (verify_types_in_gimple_reference): ... here. Sanitize.
10713 (verify_gimple_call): Verify references in LHS and arguments.
10714 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
10716 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
10718 * config/i386/i386.h (VALID_INT_MODE_P):
10719 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
10720 * config/i386/i386.md (isa): Add x64_bmi.
10721 (enabled): Handle x64_bmi.
10722 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
10723 Add alternative using 64bit general registers.
10724 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
10726 2021-05-19 Jakub Jelinek <jakub@redhat.com>
10728 PR middle-end/99928
10729 * tree.h (OMP_MASTER_COMBINED): Define.
10730 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
10731 handling for outer combined/composite constructs to a loop.
10732 Handle lastprivate on combined target.
10733 (gimplify_expr): Formatting fix.
10735 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
10737 * passes.def: Add sink_code pass before store_merging.
10738 * tree-ssa-sink.c (pass_sink_code:clone): New.
10740 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
10742 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
10743 rs6000_special_adjust_field_align_p.
10744 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10745 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
10746 Remove ABI warning.
10747 (rs6000_function_arg): Likewise.
10748 * config/rs6000/rs6000-protos.h
10749 (rs6000_special_adjust_field_align_p): Remove prototype.
10750 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
10752 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
10753 rs6000_special_adjust_field_align_p.
10755 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
10758 * config/i386/i386.h (VALID_SSE2_REG_MODE):
10759 Add V4QI and V2HI modes.
10760 (VALID_INT_MODE_P): Ditto.
10761 * config/i386/mmx.md (VI_32): New mode iterator.
10762 (mmxvecsize): Handle V4QI and V2HI.
10764 (mov<VI_32:mode>): New expander.
10765 (*mov<mode>_internal): New insn pattern.
10766 (movmisalign<VI_32:mode>): New expander.
10767 (neg<VI_32:mode>): New expander.
10768 (<plusminus:insn><VI_32:mode>3): New expander.
10769 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
10770 (mulv2hi3): New expander.
10771 (*mulv2hi3): New insn pattern.
10772 (one_cmpl<VI_32:mode>2): New expander.
10773 (*andnot<VI_32:mode>3): New insn pattern.
10774 (<any_logic:code><VI_32:mode>3): New expander.
10775 (*<any_logic:code><VI_32:mode>3): New insn pattern.
10777 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
10779 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
10780 Fix a mode mismatch with operand 1.
10782 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
10785 * config/i386/i386-expand.c (split_double_mode): Return
10786 temporary register when simplify_gen_subreg fails with
10787 the high half od the paradoxical subreg.
10789 2021-05-18 Richard Biener <rguenther@suse.de>
10791 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
10792 and honor it when expanding.
10793 (expand_used_vars_for_block): Pass through forced_stack_var.
10794 (expand_used_vars): Likewise.
10795 (discover_nonconstant_array_refs_r): Set bits in
10796 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
10797 (avoid_type_punning_on_regs): Likewise.
10798 (discover_nonconstant_array_refs): Likewise.
10799 (pass_expand::execute): Create and pass down forced_stack_var
10800 bitmap. For parameters and returns temporarily set
10801 TREE_ADDRESSABLE when expand_function_start.
10803 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
10805 * doc/sourcebuild.texi: Document 'dg-note'.
10807 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
10810 * configure: Regenerate.
10811 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
10813 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
10815 * gimple.h (is_gimple_omp_oacc): Tighten.
10816 * omp-low.c (check_omp_nesting_restrictions): Adjust.
10818 2021-05-18 Richard Biener <rguenther@suse.de>
10820 * tree-ssa-operands.c (mark_address_taken): Simplify.
10822 2021-05-18 Martin Liska <mliska@suse.cz>
10824 * config/gcn/mkoffload.c (STR): Redefine.
10825 * config/i386/intelmic-mkoffload.c (STR): Likewise.
10826 * config/nvptx/mkoffload.c (STR): Likewise.
10828 2021-05-18 Martin Liska <mliska@suse.cz>
10830 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
10831 Use startswith function instead of strncmp.
10832 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
10833 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
10834 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
10835 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
10836 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
10837 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
10838 * config/arm/arm.c (arm_file_start): Likewise.
10839 (arm_valid_target_attribute_rec): Likewise.
10840 (thumb1_md_asm_adjust): Likewise.
10841 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
10842 * config/avr/avr.c (STR_PREFIX_P): Likewise.
10843 (avr_set_current_function): Likewise.
10844 (avr_handle_addr_attribute): Likewise.
10845 (avr_asm_output_aligned_decl_common): Likewise.
10846 (avr_asm_named_section): Likewise.
10847 (avr_section_type_flags): Likewise.
10848 (avr_asm_select_section): Likewise.
10849 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
10850 (c6x_section_type_flags): Likewise.
10851 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
10852 (darwin_objc_declare_unresolved_class_reference): Likewise.
10853 (darwin_objc_declare_class_definition): Likewise.
10854 * config/darwin.c (indirect_data): Likewise.
10855 (darwin_encode_section_info): Likewise.
10856 (darwin_objc2_section): Likewise.
10857 (darwin_objc1_section): Likewise.
10858 (machopic_select_section): Likewise.
10859 (darwin_globalize_label): Likewise.
10860 (darwin_label_is_anonymous_local_objc_name): Likewise.
10861 (darwin_asm_named_section): Likewise.
10862 (darwin_asm_output_dwarf_offset): Likewise.
10863 * config/frv/frv.c (frv_string_begins_with): Likewise.
10864 (frv_in_small_data_p): Likewise.
10865 * config/gcn/mkoffload.c (STR): Likewise.
10867 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
10868 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
10869 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
10870 (ix86_md_asm_adjust): Likewise.
10871 * config/i386/intelmic-mkoffload.c (STR): Likewise.
10872 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
10873 (i386_pe_file_end): Likewise.
10874 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
10875 (ia64_section_type_flags): Likewise.
10876 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
10877 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
10878 (mips16_stub_function_p): Likewise.
10879 (mips_function_rodata_section): Likewise.
10880 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
10881 (msp430_function_section): Likewise.
10882 (msp430_section_type_flags): Likewise.
10883 (msp430_expand_helper): Likewise.
10884 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
10885 (nios2_valid_target_attribute_rec): Likewise.
10886 * config/nvptx/mkoffload.c (process): Likewise.
10888 * config/pa/som.h: Likewise.
10889 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
10890 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
10891 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
10892 (rs6000_inner_target_options): Likewise.
10893 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
10894 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
10895 * config/vax/vax.c (vax_output_int_move): Likewise.
10896 * config/vms/vms-ld.c (startswith): Likewise.
10897 (process_args): Likewise.
10899 * config/vms/vms.c: Likewise.
10901 2021-05-18 Jakub Jelinek <jakub@redhat.com>
10903 PR rtl-optimization/100590
10904 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
10905 they are NONJUMP_INSN_P.
10907 2021-05-18 Jakub Jelinek <jakub@redhat.com>
10910 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
10911 DECL_ASSEMBLER_NAME on the fn_decl.
10913 2021-05-18 Jakub Jelinek <jakub@redhat.com>
10915 PR tree-optimization/94589
10916 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
10917 phi result used in (res & ~1) == 0 comparison as res >= 0 as
10918 res == 2 would be UB with -ffinite-math-only.
10920 2021-05-18 Martin Liska <mliska@suse.cz>
10922 * Makefile.in: genversion.o should depend on DATESTAMP.
10924 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
10926 * config/arc/simdext.md (negv2si2): Remove round bracket.
10928 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
10930 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
10931 _Bool as macro expanding to _Bool.
10933 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
10936 * tree.c (build_reference_type_for_mode)
10937 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
10939 (build_reference_type, build_pointer_type): Invoke
10940 build_*_type_for_mode with VOIDmode.
10942 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
10944 PR tree-optimization/100512
10945 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
10946 and non-zero pointer ranges as invariant.
10947 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
10948 processing from here.
10950 2021-05-17 Tom de Vries <tdevries@suse.de>
10953 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
10954 * config/nvptx/nvptx.c (nvptx_output_barrier)
10955 (nvptx_output_atomic_insn): New function.
10956 (nvptx_print_operand): Add support for 'B'.
10957 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
10960 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
10962 PR tree-optimization/100349
10963 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
10966 2021-05-17 Tamar Christina <tamar.christina@arm.com>
10968 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
10969 (host_detect_local_cpu): Use it.
10971 2021-05-17 Martin Liska <mliska@suse.cz>
10973 * doc/invoke.texi: Add 2 missing dots.
10975 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
10977 PR bootstrap/100552
10978 * configure.ac: Replace pattern substitution with call to sed.
10979 * configure: Regenerate.
10981 2021-05-17 Richard Biener <rguenther@suse.de>
10983 PR middle-end/100582
10984 * tree.c (array_at_struct_end_p): Get to the base of the
10985 reference before looking for the underlying decl.
10987 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
10989 * genoutput.c (validate_insn_alternatives) Make "wrong number of
10990 alternatives" message more specific, and remove assumption on where
10993 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
10995 * config/arm/iterators.md (V16): New iterator.
10996 (VH_cvtto): New iterator.
10997 (v_cmp_result): Added V4HF and V8HF support.
10998 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
10999 (vcond<mode><mode>): Likewise.
11000 (vcond_mask_<mode><v_cmp_result>): Likewise.
11001 (vcond<VH_cvtto><mode>): New expander.
11003 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
11005 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
11007 * config/arm/arm.c (arm_expand_vector_compare): Add support for
11009 (arm_expand_vcond): Likewise.
11010 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
11011 VCMPEQQ_N_S, VCMPNEQ_N_S.
11012 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
11013 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
11014 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
11015 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
11016 (@mve_vpselq_<supf><mode>): Likewise.
11017 (@mve_vpselq_f<mode>"): Likewise.
11018 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
11019 and move to vec-common.md.
11020 (vec_cmpu<mode><mode>): Likewise.
11021 (vcond<mode><mode>): Likewise.
11022 (vcond<V_cvtto><mode>): Likewise.
11023 (vcondu<mode><v_cmp_result>): Likewise.
11024 (vcond_mask_<mode><v_cmp_result>): Likewise.
11025 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
11026 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
11027 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
11028 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
11029 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
11030 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
11032 (vec_cmpu<mode><mode>): Likewise.
11033 (vcond<mode><mode>): Likewise.
11034 (vcond<V_cvtto><mode>): Likewise.
11035 (vcondu<mode><v_cmp_result>): Likewise.
11036 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
11039 2021-05-17 liuhongt <hongtao.liu@intel.com>
11042 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
11043 gsi_insert_seq_before instead.
11045 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
11047 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
11048 (arm_sat_ok): ...this.
11050 2021-05-17 Martin Liska <mliska@suse.cz>
11052 * lto-wrapper.c (merge_flto_options): Factor out a new function.
11053 (merge_and_complain): Use it.
11054 (run_gcc): Merge also linker command line -flto=foo argument
11057 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
11059 * config/arm/arm.h (CPP_SPEC): Remove error message about
11060 -mlittle-endian/-mbig-endian conflict.
11062 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11064 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
11065 __ROP_PROTECT__ if -mrop-protect is selected.
11067 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11069 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
11070 rop_hash_save_offset and rop_hash_size.
11071 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
11072 rop_hash_size and rop_hash_save_offset.
11073 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
11074 (rs6000_emit_prologue): Emit hashst[p] in prologue.
11075 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
11076 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
11078 (hashst): New define_insn.
11079 (hashchk): Likewise.
11081 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11083 * config/rs6000/rs6000.c (rs6000_option_override_internal):
11084 Disable shrink wrap when inserting ROP-protect instructions.
11085 * config/rs6000/rs6000.opt (mrop-protect): New option.
11086 (mprivileged): Likewise.
11087 * doc/invoke.texi: Document mrop-protect and mprivileged.
11089 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
11091 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
11094 2021-05-15 Martin Jambor <mjambor@suse.cz>
11097 2021-05-13 Martin Jambor <mjambor@suse.cz>
11099 PR tree-optimization/100453
11100 * tree-sra.c (sra_modify_assign): All const base accesses do not
11101 need refreshing, not just those from decl_pool.
11102 (sra_modify_assign): Do not refresh into a const base decl.
11104 2021-05-15 Jakub Jelinek <jakub@redhat.com>
11106 PR rtl-optimization/100342
11107 * regcprop.c (copy_value): When copying a source reg in a wider
11108 mode than it has recorded for the value, adjust recorded destination
11109 mode too or punt if !REG_CAN_CHANGE_MODE_P.
11111 2021-05-14 Jason Merrill <jason@redhat.com>
11113 * intl.h: Add comments.
11115 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11117 * config/aarch64/aarch64-simd.md
11118 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
11119 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
11120 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
11121 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
11122 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
11123 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
11124 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
11125 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
11126 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
11128 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
11131 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
11132 boolean logic equivalent.
11133 (vtst_s16): Likewise.
11134 (vtst_s32): Likewise.
11135 (vtst_u8): Likewise.
11136 (vtst_u16): Likewise.
11137 (vtst_u32): Likewise.
11138 (vtst_p8): Likewise.
11139 (vtst_p16): Likewise.
11140 (vtstq_s8): Likewise.
11141 (vtstq_s16): Likewise.
11142 (vtstq_s32): Likewise.
11143 (vtstq_u8): Likewise.
11144 (vtstq_u16): Likewise.
11145 (vtstq_u32): Likewise.
11146 (vtstq_p8): Likewise.
11147 (vtstq_p16): Likewise.
11148 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
11149 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
11151 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11153 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
11154 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
11155 (aarch64_sqdmlsl2<mode>): Delete.
11156 (aarch64_sqdmlal2_lane<mode>): Merge this...
11157 (aarch64_sqdmlsl2_lane<mode>): ... And this...
11158 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
11159 (aarch64_sqdmlal2_laneq<mode>): Merge this...
11160 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
11161 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
11162 (aarch64_sqdmlal2_n<mode>): Merge this...
11163 (aarch64_sqdmlsl2_n<mode>): ... And this...
11164 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
11166 2021-05-13 Martin Sebor <msebor@redhat.com>
11168 PR middle-end/100574
11169 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
11170 all null arguments.
11172 2021-05-13 Martin Sebor <msebor@redhat.com>
11174 PR tree-optimization/93100
11175 PR middle-end/98583
11176 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
11177 don't modify referenced objects.
11179 2021-05-13 Martin Jambor <mjambor@suse.cz>
11181 PR tree-optimization/100453
11182 * tree-sra.c (sra_modify_assign): All const base accesses do not
11183 need refreshing, not just those from decl_pool.
11184 (sra_modify_assign): Do not refresh into a const base decl.
11186 2021-05-13 Martin Liska <mliska@suse.cz>
11188 * tree-ssa-dom.c: Remove m_simplifier.
11190 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
11193 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
11194 canonicalize DImode inequality comparisons against the
11195 maximum integral value.
11197 2021-05-13 Jakub Jelinek <jakub@redhat.com>
11199 PR tree-optimization/98856
11200 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
11201 Expect V2DI and V4DI arithmetic right shifts to be emulated.
11202 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
11204 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
11205 expand_vec_perm_2perm_pblendv): New functions.
11206 (ix86_expand_vec_perm_const_1): Use them.
11207 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
11208 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
11209 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
11210 (ashrv4di3): New define_expand.
11211 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
11212 and !TARGET_AVX512VL expansion.
11214 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
11217 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
11218 sizes < 16 to a register when constructing vpcmov pattern.
11219 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
11221 2021-05-13 Martin Liska <mliska@suse.cz>
11223 * gcov-io.c (gcov_write_block): Remove.
11224 (gcov_write_words): Likewise.
11225 (gcov_read_words): Re-implement using gcov_read_bytes.
11226 (gcov_allocate): Remove.
11227 (GCOV_BLOCK_SIZE): Likewise.
11228 (struct gcov_var): Remove most of the fields.
11229 (gcov_position): Implement with ftell.
11230 (gcov_rewrite): Remove setting of start and offset fields.
11231 (from_file): Re-format.
11232 (gcov_open): Remove setbuf call. It should not be needed.
11233 (gcov_close): Remove internal buffer handling.
11234 (gcov_magic): Use __builtin_bswap32.
11235 (gcov_write_counter): Use directly gcov_write_unsigned.
11236 (gcov_write_string): Use direct fwrite and do not round
11238 (gcov_seek): Use directly fseek.
11239 (gcov_write_tag): Use gcov_write_unsigned directly.
11240 (gcov_write_length): Likewise.
11241 (gcov_write_tag_length): Likewise.
11242 (gcov_read_bytes): Use directly fread.
11243 (gcov_read_unsigned): Use gcov_read_words.
11244 (gcov_read_counter): Likewise.
11245 (gcov_read_string): Use gcov_read_bytes.
11246 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
11247 that size is not in bytes, but words (4B).
11248 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
11249 (GCOV_TAG_ARCS_LENGTH): Likewise.
11250 (GCOV_TAG_ARCS_NUM): Likewise.
11251 (GCOV_TAG_COUNTER_LENGTH): Likewise.
11252 (GCOV_TAG_COUNTER_NUM): Likewise.
11253 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
11255 2021-05-13 liuhongt <hongtao.liu@intel.com>
11258 * config/i386/sse.md (ssedoublevecmode): Add attribute for
11259 V64QI/V32HI/V16SI/V4DI.
11260 (ssehalfvecmode): Add attribute for V2DI/V2DF.
11261 (*vec_concatv4si_0): Extend to VI124_128.
11262 (*vec_concat<mode>_0): New pre-reload splitter.
11263 * config/i386/predicates.md (movq_parallel): New predicate.
11265 2021-05-13 Alexandre Oliva <oliva@adacore.com>
11267 * targhooks.c (default_zero_call_used_regs): Retry using
11268 successfully-zeroed registers as sources.
11270 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
11272 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
11274 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
11277 * gimple-range.cc (range_of_builtin_call): Skip out on
11278 processing __builtin_clz when varying.
11280 2021-05-12 Tom de Vries <tdevries@suse.de>
11283 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
11284 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
11285 to ptx_version_option.
11286 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
11287 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
11288 (define_insn "nvptx_vote_ballot"): Use sync variant for
11290 * config/nvptx/nvptx.opt (ptx_version): Add enum.
11291 (mptx): Add option.
11292 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
11294 2021-05-12 Richard Biener <rguenther@suse.de>
11296 PR tree-optimization/100566
11297 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
11298 allow_back for all edge queries.
11300 2021-05-12 liuhongt <hongtao.liu@intel.com>
11303 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
11304 splitters for pblendvb of NOT mask register.
11306 2021-05-12 Richard Biener <rguenther@suse.de>
11308 PR tree-optimization/100519
11309 * tree-ssa-reassoc.c (can_associate_p): Split into...
11310 (can_associate_op_p): ... this
11311 (can_associate_type_p): ... and this.
11312 (is_reassociable_op): Call can_associate_op_p.
11313 (break_up_subtract_bb): Call the appropriate predicates.
11314 (reassociate_bb): Likewise.
11316 2021-05-12 Martin Liska <mliska@suse.cz>
11318 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
11319 (run_gcc): Use -flto argument detection for merged
11322 2021-05-12 Martin Liska <mliska@suse.cz>
11324 * lto-wrapper.c (print_lto_docs_link): New function.
11325 (run_gcc): Print warning about missing job server detection
11326 after we know NR of partitions. Do the same for -flto{,=1}.
11327 * opts.c (get_option_html_page): Support -flto option.
11329 2021-05-12 Martin Liska <mliska@suse.cz>
11331 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
11333 (append_option): Remove.
11334 (find_option): Rework to use the vector type.
11335 (remove_option): Remove.
11336 (merge_and_complain): Use vectors for cl_decoded_option data
11338 (append_compiler_options): Likewise.
11339 (append_diag_options): Likewise.
11340 (append_linker_options): Likewise.
11341 (append_offload_options): Likewise.
11342 (compile_offload_image): Likewise.
11343 (compile_images_for_offload_targets): Likewise.
11344 (find_and_merge_options): Likewise.
11345 (run_gcc): Likewise.
11347 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
11350 * dwarf2out.c (dwarf2out_finish): Set
11351 have_multiple_function_sections with multi-range text_section.
11353 2021-05-12 Martin Liska <mliska@suse.cz>
11355 PR bootstrap/100560
11356 * Makefile.in: Remove version.h from linker command line.
11358 2021-05-12 Richard Biener <rguenther@suse.de>
11360 PR middle-end/100547
11361 * rtl.h (rtvec_alloc): Make argument size_t.
11362 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
11364 2021-05-12 Jakub Jelinek <jakub@redhat.com>
11366 PR middle-end/100508
11367 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
11368 type, don't reuse DECL_RTL if it has different mode, instead force
11369 creation of a new DEBUG_EXPR.
11371 2021-05-12 Jakub Jelinek <jakub@redhat.com>
11372 Marc Glisse <marc.glisse@inria.fr>
11374 PR tree-optimization/94589
11375 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
11376 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
11378 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
11381 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
11382 * config/i386/mmx.md (MMXMODE124): New mode iterator.
11384 (mmxintvecmode): New mode attribute.
11385 (mmxintvecmodelower): Ditto.
11386 (*mmx_maskcmpv2sf3_comm): New insn pattern.
11387 (*mmx_maskcmpv2sf3): Ditto.
11388 (vec_cmpv2sfv2si): New expander.
11389 (vcond<V2FI:mode>v2si): Ditto.
11390 (mmx_vlendvps): New insn pattern.
11391 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
11392 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
11393 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
11395 2021-05-11 Martin Sebor <msebor@redhat.com>
11397 PR middle-end/21433
11398 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
11400 2021-05-11 Richard Biener <rguenther@suse.de>
11402 * gimple-fold.c (gimple_fold_call): Do not call
11403 maybe_fold_reference on call arguments or the static chain.
11404 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
11407 2021-05-11 Martin Liska <mliska@suse.cz>
11409 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
11410 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
11411 (DEF_HSAIL_SAT_BUILTIN): Likewise.
11412 (DEF_HSAIL_INTR_BUILTIN): Likewise.
11413 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
11414 * doc/frontends.texi: Remove BRIG.
11415 * doc/install.texi: Likewise.
11416 * doc/invoke.texi: Likewise.
11417 * doc/standards.texi: Likewise.
11418 * brig-builtins.def: Removed.
11419 * brig/ChangeLog: Removed.
11420 * brig/Make-lang.in: Removed.
11421 * brig/brig-builtins.h: Removed.
11422 * brig/brig-c.h: Removed.
11423 * brig/brig-lang.c: Removed.
11424 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
11425 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
11426 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
11427 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
11428 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
11429 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
11430 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
11431 * brig/brigfrontend/brig-comment-handler.cc: Removed.
11432 * brig/brigfrontend/brig-control-handler.cc: Removed.
11433 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
11434 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
11435 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
11436 * brig/brigfrontend/brig-function-handler.cc: Removed.
11437 * brig/brigfrontend/brig-function.cc: Removed.
11438 * brig/brigfrontend/brig-function.h: Removed.
11439 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
11440 * brig/brigfrontend/brig-label-handler.cc: Removed.
11441 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
11442 * brig/brigfrontend/brig-machine.c: Removed.
11443 * brig/brigfrontend/brig-machine.h: Removed.
11444 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
11445 * brig/brigfrontend/brig-module-handler.cc: Removed.
11446 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
11447 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
11448 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
11449 * brig/brigfrontend/brig-to-generic.cc: Removed.
11450 * brig/brigfrontend/brig-to-generic.h: Removed.
11451 * brig/brigfrontend/brig-util.cc: Removed.
11452 * brig/brigfrontend/brig-util.h: Removed.
11453 * brig/brigfrontend/brig-variable-handler.cc: Removed.
11454 * brig/brigfrontend/hsa-brig-format.h: Removed.
11455 * brig/brigfrontend/phsa.h: Removed.
11456 * brig/brigspec.c: Removed.
11457 * brig/config-lang.in: Removed.
11458 * brig/gccbrig.texi: Removed.
11459 * brig/lang-specs.h: Removed.
11460 * brig/lang.opt: Removed.
11462 2021-05-11 Richard Biener <rguenther@suse.de>
11465 * ipa-param-manipulation.c
11466 (ipa_param_body_adjustments::modify_call_stmt): Avoid
11467 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
11468 via gimple_call_lhs_ptr.
11470 2021-05-11 Alex Coplan <alex.coplan@arm.com>
11473 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
11474 Avoid emitting CFA adjusts on the sp if we have the fp.
11476 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
11478 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
11479 (VMULD): New iterator.
11480 (VCOND): Handle V4HF and V8HF.
11481 (VCONQ): Fix entry for V2SF.
11482 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
11483 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
11484 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
11485 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
11486 Use a 128-bit vector mode for the indexed operand. Use stype for
11487 the scheduling type.
11489 2021-05-11 Richard Biener <rguenther@suse.de>
11491 * gimple-fold.c (maybe_fold_reference): Only return
11492 is_gimple_min_invariant values.
11494 2021-05-11 Richard Biener <rguenther@suse.de>
11496 PR middle-end/100509
11497 * gimple-fold.c (fold_gimple_assign): Only call
11498 get_symbol_constant_value on register type symbols.
11500 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
11501 Joe Ramsay <joe.ramsay@arm.com>
11504 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
11505 (__arm_vcmpneq): Remove duplicate definition.
11506 (__arm_vstrwq_scatter_offset_p): Likewise.
11507 (__arm_vmaxq_x): Likewise.
11508 (__arm_vmlsdavaq): Likewise.
11509 (__arm_vmlsdavaxq): Likewise.
11510 (__arm_vmlsdavq_p): Likewise.
11511 (__arm_vmlsdavxq_p): Likewise.
11512 (__arm_vrmlaldavhaq): Likewise.
11513 (__arm_vstrbq_p): Likewise.
11514 (__arm_vstrbq_scatter_offset): Likewise.
11515 (__arm_vstrbq_scatter_offset_p): Likewise.
11516 (__arm_vstrdq_scatter_offset): Likewise.
11517 (__arm_vstrdq_scatter_offset_p): Likewise.
11518 (__arm_vstrdq_scatter_shifted_offset): Likewise.
11519 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
11521 2021-05-11 Jakub Jelinek <jakub@redhat.com>
11523 PR middle-end/100471
11524 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
11525 is 0, bypass the reduction loop including
11526 GOMP_taskgroup_reduction_unregister call.
11528 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
11530 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
11531 costing_for_scalar.
11532 (rs6000_density_test): Early return if costing_for_scalar is true.
11533 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
11535 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
11537 * doc/tm.texi: Regenerated.
11538 * target.def (init_cost): Add new parameter costing_for_scalar.
11539 * targhooks.c (default_init_cost): Adjust for new parameter.
11540 * targhooks.h (default_init_cost): Likewise.
11541 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
11542 (vect_compute_single_scalar_iteration_cost): Likewise.
11543 (vect_analyze_loop_2): Likewise.
11544 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
11545 (vect_bb_vectorization_profitable_p): Likewise.
11546 * tree-vectorizer.h (init_cost): Likewise.
11547 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
11548 * config/i386/i386.c (ix86_init_cost): Likewise.
11549 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
11551 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
11553 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
11554 vect_nonmem and moved into...
11555 (struct rs6000_cost_data): ...here.
11556 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
11557 (rs6000_add_stmt_cost): Likewise.
11558 (rs6000_finish_cost): Likewise.
11560 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
11562 * range-op.cc (get_bool_state): Adjust head comment.
11563 (operator_not_equal::op1_range): Fix comment.
11564 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
11566 2021-05-10 Martin Sebor <msebor@redhat.com>
11568 PR middle-end/100425
11569 PR middle-end/100510
11570 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
11571 (pass_walloca::xlimit_certain_p): ...to this.
11572 (pass_walloca::gate): Execute for any kind of handled warning.
11573 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
11574 warnings when xlimit_certain_p is set.
11576 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
11578 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
11579 Return ALTIVEC_REGS if that is best_class.
11580 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
11582 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
11584 * config/arm/arm.h (CPP_SPEC): Remove error message about
11587 2021-05-10 Martin Jambor <mjambor@suse.cz>
11589 * ipa-prop.h (IPA_NODE_REF): Removed.
11590 (IPA_NODE_REF_GET_CREATE): Likewise.
11591 (IPA_EDGE_REF): Likewise.
11592 (IPA_EDGE_REF_GET_CREATE): Likewise.
11593 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
11594 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
11595 use of ipa_node_params_sum.
11596 (ipcp_versionable_function_p): Likewise.
11597 (push_node_to_stack): Likewise.
11598 (pop_node_from_stack): Likewise.
11599 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
11600 direct use of ipa_node_params_sum.
11601 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
11602 ipa_node_params_sum.
11603 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
11605 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
11606 use of ipa_node_params_sum.
11607 (self_recursively_generated_p): Likewise.
11608 (propagate_scalar_across_jump_function): Likewise.
11609 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
11610 direct use of ipa_edge_args_sum, moved the lookup after the early
11611 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
11612 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
11613 direct uses of ipa_node_params_sum.
11614 (propagate_vr_across_jump_function): Likewise.
11615 (propagate_aggregate_lattice): Likewise.
11616 (propagate_aggs_across_jump_function): Likewise.
11617 (propagate_constants_across_call): Likewise, also replaced
11618 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
11619 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
11620 of ipa_node_params_sum.
11621 (estimate_local_effects): Likewise.
11622 (add_all_node_vals_to_toposort): Likewise.
11623 (propagate_constants_topo): Likewise.
11624 (ipcp_propagate_stage): Likewise.
11625 (ipcp_discover_new_direct_edges): Likewise.
11626 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
11627 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
11628 (get_info_about_necessary_edges): Likewise.
11629 (want_remove_some_param_p): Likewise.
11630 (create_specialized_node): Likewise.
11631 (self_recursive_pass_through_p): Likewise.
11632 (self_recursive_agg_pass_through_p): Likewise.
11633 (find_more_scalar_values_for_callers_subset): Likewise and also
11634 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
11635 case replacing two of those with a single query.
11636 (find_more_contexts_for_caller_subset): Likewise for the
11637 ipa_polymorphic_call_context overload.
11638 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
11639 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
11640 ipa_node_params_sum.
11641 (find_aggregate_values_for_callers_subset): Likewise, also reusing
11642 results of ipa_edge_args_sum->get.
11643 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
11644 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
11645 direct use of ipa_edge_args_sum.
11646 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
11647 summary query after the early exit and reused the result later.
11648 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
11649 ipa_node_params_sum.
11650 (decide_whether_version_node): Likewise. Removed re-querying for
11651 summaries after cloning.
11652 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
11653 ipa_node_params_sum.
11654 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
11656 (identify_dead_nodes): Likewise.
11657 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
11658 ipa_node_params_sum.
11659 (ipcp_store_vr_results): Likewise.
11660 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
11661 (ipa_fn_summary_t::duplicate): Likewise.
11662 (analyze_function_body): Likewise.
11663 (estimate_calls_size_and_time): Likewise.
11664 (ipa_cached_call_context::duplicate_from): Likewise.
11665 (ipa_call_context::equal_to): Likewise.
11666 (remap_edge_params): Likewise.
11667 (ipa_merge_fn_summary_after_inlining): Likewise.
11668 (inline_read_section): Likewise.
11669 * ipa-icf.c (sem_function::param_used_p): Likewise.
11670 * ipa-modref.c (compute_parm_map): Likewise.
11671 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
11673 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
11674 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
11676 * ipa-profile.c (check_argument_count): Likewise.
11677 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
11678 with a direct use of ipa_node_params_sum.
11679 (ipa_initialize_node_params): Likewise.
11680 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
11681 direct use of ipa_edge_args_sum and reused the query result.
11682 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
11683 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
11684 direct use of ipa_edge_args_sum.
11685 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
11686 ipa_node_params_sum and reused the result of the query.
11687 (ipa_analyze_node): Likewise.
11688 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
11689 of ipa_node_params_sum.
11690 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
11691 direct uses of ipa_edge_args_sum.
11692 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
11693 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
11694 direct use of ipa_edge_args_sum. Removed superficial re-querying the
11696 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
11697 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
11699 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
11700 direct use of ipa_edge_args_sum.
11701 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
11702 use of ipa_node_params_sum.
11703 (ipa_print_node_params): Likewise.
11704 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
11705 direct uses of ipa_edge_args_sum.
11706 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
11708 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
11709 ipa_node_params_sum.
11710 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
11711 scopes where it is used.
11713 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
11715 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
11716 <case E_V2SImode>: Force op_true to register.
11718 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
11720 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
11721 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
11722 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
11724 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
11725 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
11726 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
11727 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
11728 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
11729 (mve_vcmpneq_n_f<mode>): Remove.
11730 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
11731 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
11732 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
11734 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
11736 * config/arm/iterators.md (MVE_COMPARISONS): New.
11738 (mve_cmp_type): New.
11739 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
11741 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
11742 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
11743 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
11744 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
11745 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
11746 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
11747 (mve_vcmpneq_n_<mode>): Remove.
11749 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
11751 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
11752 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
11753 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
11756 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
11758 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
11759 (vcmpneq_n_u): Likewise.
11760 (vcmpeqq_u,): Likewise.
11761 (vcmpeqq_n_u): Likewise.
11762 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
11763 VCMPEQQ_N_U and VCMPNEQ_N_U.
11764 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
11765 (mve_vcmpeqq_n): Likewise.
11766 (mve_vcmpeqq): Likewise.
11767 (mve_vcmpneq_n): Likewise.
11769 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
11771 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
11772 the 's' version of the builtin.
11774 2021-05-10 Richard Biener <rguenther@suse.de>
11776 PR tree-optimization/100492
11777 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
11778 Find nothing when the loop contains an irreducible region.
11780 2021-05-10 Richard Biener <rguenther@suse.de>
11782 PR middle-end/100464
11784 * gimple-fold.c (canonicalize_constructor_val): Do not set
11787 2021-05-10 Richard Biener <rguenther@suse.de>
11789 PR tree-optimization/100434
11790 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
11792 (dse_optimize_stmt): Handle call LHS by dropping the
11793 LHS or the whole call if it doesn't have other
11795 (pass_dse::execute): Adjust.
11797 2021-05-10 Martin Liska <mliska@suse.cz>
11799 * Makefile.in: Add missing genversion rule.
11801 2021-05-10 Alex Coplan <alex.coplan@arm.com>
11804 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
11805 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
11807 2021-05-10 Martin Liska <mliska@suse.cz>
11809 * builtins.c (is_builtin_name): Use startswith
11810 function instead of strncmp.
11811 * collect2.c (main): Likewise.
11812 (has_lto_section): Likewise.
11813 (scan_libraries): Likewise.
11814 * coverage.c (coverage_checksum_string): Likewise.
11815 (coverage_init): Likewise.
11816 * dwarf2out.c (is_cxx): Likewise.
11817 (gen_compile_unit_die): Likewise.
11818 * gcc-ar.c (main): Likewise.
11819 * gcc.c (init_spec): Likewise.
11820 (read_specs): Likewise.
11821 (execute): Likewise.
11822 (check_live_switch): Likewise.
11823 * genattrtab.c (write_attr_case): Likewise.
11824 (IS_ATTR_GROUP): Likewise.
11825 * gencfn-macros.c (main): Likewise.
11826 * gengtype.c (type_for_name): Likewise.
11827 (gen_rtx_next): Likewise.
11828 (get_file_langdir): Likewise.
11829 (write_local): Likewise.
11830 * genmatch.c (get_operator): Likewise.
11831 (get_operand_type): Likewise.
11832 (expr::gen_transform): Likewise.
11833 * genoutput.c (validate_optab_operands): Likewise.
11834 * incpath.c (add_sysroot_to_chain): Likewise.
11835 * langhooks.c (lang_GNU_C): Likewise.
11836 (lang_GNU_CXX): Likewise.
11837 (lang_GNU_Fortran): Likewise.
11838 (lang_GNU_OBJC): Likewise.
11839 * lto-wrapper.c (run_gcc): Likewise.
11840 * omp-general.c (omp_max_simt_vf): Likewise.
11841 * omp-low.c (omp_runtime_api_call): Likewise.
11842 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
11843 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
11844 * real.c (real_from_string): Likewise.
11845 * selftest.c (assert_str_startswith): Likewise.
11846 * timevar.c (timer::validate_phases): Likewise.
11847 * tree.c (get_file_function_name): Likewise.
11848 * ubsan.c (ubsan_use_new_style_p): Likewise.
11849 * varasm.c (default_function_rodata_section): Likewise.
11850 (incorporeal_function_p): Likewise.
11851 (default_section_type_flags): Likewise.
11852 * system.h (startswith): Define startswith.
11854 2021-05-10 Martin Liska <mliska@suse.cz>
11856 * bitmap.h (class auto_bitmap): Remove
11857 __cplusplus >= 201103.
11858 * config/aarch64/aarch64.c: Likewise.
11859 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
11861 * sbitmap.h: Likewise.
11863 2021-05-10 Martin Liska <mliska@suse.cz>
11865 * Makefile.in: Rename gcov-iov to genversion and depend
11866 on version.h (instead of gcov-iov.h).
11867 * gcov-io.h: Include version.h instread of gcov-iov.h.
11868 * gengtype-state.c (read_state_version): Likewise.
11869 * gcov-iov.c: Moved to...
11870 * genversion.c: ...here.
11871 * lto-streamer.h (LTO_major_version): Define it with
11873 * version.c: Removed.
11874 * version.h: Removed.
11876 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11878 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
11879 * config/arc/simdext.md (VCT): Add predicates for iterator
11882 (voptab): Likewise.
11883 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
11884 (<voptab>v2si3): New patterns.
11886 (reduc_plus_scal_v4hi): Likewise.
11887 (reduc_plus_scal_v2si): Likewise.
11888 (vec_duplicatev2si): Likewise.
11889 (vec_duplicatev4hi): Likewise.
11891 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11893 * config/arc/simdext.md: Format and cleanup file.
11895 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11897 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
11898 only when munaligned-access option is on.
11899 (movmisalign<mode>): Likewise.
11901 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11903 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
11905 * config/arc/arc.c (arc_reorg): Remove underscore from string.
11907 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11909 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11910 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
11911 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
11912 (norm_f): Likewise.
11915 (clzsi2): Use fls instruction when available.
11916 (arc_clzsi2): Likewise.
11918 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11920 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
11922 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11924 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
11926 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
11928 PR middle-end/100467
11929 * toplev.c (compile_file): Call insn_locations_init before
11930 targetm.asm_out.code_end.
11932 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
11935 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
11937 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
11939 2021-05-07 Jakub Jelinek <jakub@redhat.com>
11940 Andrew Stubbs <amd@codesourcery.com>
11943 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
11944 emit_move_insn operands.
11946 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
11948 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
11949 location for the outgoing edges of an empty block.
11950 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
11951 type by means of the get_array_descr_info langhook, if it is set and
11952 returns true. Remove obsolete code dealing with unnamed subtypes.
11954 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11956 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
11957 (sbr_vector): Renamed from ssa_block_cache.
11958 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
11959 (ssa_block_ranges::~ssa_block_ranges): Remove.
11960 (sbr_vector::set_bb_range): Use varying and undefined cached values.
11961 (ssa_block_ranges::set_bb_varying): Remove.
11962 (sbr_vector::get_bb_range): Adjust assert.
11963 (sbr_vector::bb_range_p): Adjust assert.
11964 (~block_range_cache): No freeing loop required.
11965 (block_range_cache::get_block_ranges): Remove.
11966 (block_range_cache::set_bb_range): Inline get_block_ranges.
11967 (block_range_cache::set_bb_varying): Remove.
11968 * gimple-range-cache.h (set_bb_varying): Remove prototype.
11969 * value-range.h (irange_allocator::get_memory): New.
11971 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11973 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
11974 dominator tree is available and requested.
11975 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
11976 (ranger_cache::fill_block_cache): Don't search dom tree here either.
11977 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
11979 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11981 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
11982 only PHI nodes better.
11984 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11986 * gimple-range-edge.h (gimple_outgoing_range): Rename from
11988 (gcond_edge_range): Export prototype.
11989 * gimple-range-edge.cc (gcond_edge_range): New.
11990 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
11991 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
11993 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11995 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
11996 default range into a temp and allocate only what is needed.
11998 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12000 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
12002 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12004 * gimple-range.h (gimple_range_global): Pick up parameter initial
12005 values, and use-before defined locals are UNDEFINED.
12007 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
12009 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
12011 * tree.h (reverse_storage_order_for_component_p): Return false if
12012 the type is a pointer.
12014 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
12016 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
12018 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
12021 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
12022 Handle V8QI, V4HI and V2SI modes.
12023 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
12024 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
12025 * config/i386/i386.md (unspec): ... here.
12027 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
12028 Tom de Vries <tdevries@suse.de>
12030 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
12031 a truth_value_p reduction variable is nonintegral.
12033 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
12036 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
12037 Return false for mode sizes < 16.
12039 2021-05-07 Jakub Jelinek <jakub@redhat.com>
12042 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
12044 2021-05-06 Martin Jambor <mjambor@suse.cz>
12046 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
12047 when there is no function summary.
12048 (ipa_sra_summarize_function): produce edge summaries even when
12051 2021-05-06 Tom Tromey <tom@tromey.com>
12053 * godump.c (string_hash_eq): Remove.
12054 (go_finish): Use htab_eq_string.
12056 2021-05-06 Tom Tromey <tom@tromey.com>
12058 * gengtype-state.c (read_state): Use htab_eq_string.
12059 (string_eq): Remove.
12061 2021-05-06 Tom Tromey <tom@tromey.com>
12063 * gensupport.c (htab_eq_string): Remove.
12065 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
12068 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
12069 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
12070 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
12071 set_ignored_loc callbacks.
12072 * debug.c (do_nothing_debug_hooks): Likewise.
12073 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
12074 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
12075 (in_text_section_p, last_text_label, last_cold_label,
12076 switch_text_ranges, switch_cold_ranges): New data items.
12077 (dwarf2out_note_section_used): Remove.
12078 (dwarf2out_begin_prologue): Set fde->ignored_debug and
12080 (mark_ignored_debug_section): New helper function.
12081 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
12082 mark_ignored_debug_section.
12083 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
12084 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
12085 (size_of_aranges): Adjust formula for multi-part text ranges size.
12086 (output_aranges): Output multi-part text ranges.
12087 (dwarf2out_set_ignored_loc): New callback function.
12088 (dwarf2out_finish): Output multi-part text ranges.
12089 (dwarf2out_c_finalize): Clear new data items.
12090 * final.c (final_start_function_1): Call set_ignored_loc callback.
12091 (final_scan_insn_1): Likewise.
12092 * ggc-page.c (gt_ggc_mx): New helper function.
12093 * stringpool.c (gt_pch_nx): Likewise.
12095 2021-05-06 Richard Biener <rguenther@suse.de>
12097 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
12098 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
12099 (TV_TREE_INTO_SSA): New.
12100 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
12101 (rewrite_blocks): Likewise.
12102 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
12104 2021-05-06 Jakub Jelinek <jakub@redhat.com>
12106 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
12107 abs_replacement, xor_replacement,
12108 cond_removal_in_popcount_clz_ctz_pattern,
12109 replace_phi_edge_with_variable): Change type of phi argument from
12110 gimple * to gphi *.
12112 2021-05-06 Richard Biener <rguenther@suse.de>
12114 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
12115 Output an opt-info message.
12116 (do_split_loop_on_cond): Likewise.
12117 (tree_ssa_split_loops): Update SSA form here.
12119 2021-05-06 Richard Biener <rguenther@suse.de>
12121 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
12122 return variable removal.
12124 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
12126 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
12127 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
12128 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
12130 * config/s390/s390.c (s390_const_operand_ok): Remove unused
12133 2021-05-06 Jakub Jelinek <jakub@redhat.com>
12135 PR tree-optimization/94589
12136 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
12137 spaceship_replacement.
12138 (cond_only_block_p, spaceship_replacement): New functions.
12140 2021-05-06 Richard Biener <rguenther@suse.de>
12143 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
12144 dealing with a debug use and only query existing addresses
12146 (lower_emutls_1): Avoid splitting out addresses for debug
12147 stmts, reset the debug stmt when we fail to find existing
12149 (lower_emutls_phi_arg): Set wi.stmt.
12151 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
12154 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
12155 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
12156 (stack_protect_test): Use cbranch helper.
12158 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12161 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
12162 always return the establisher frame for __builtin_frame_address (0).
12164 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
12167 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
12168 (ix86_cpu_model_var): Likewise.
12169 (ix86_cpu_features2_type_node): Likewise.
12170 (ix86_cpu_features2_var): Likewise.
12171 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
12174 2021-05-05 Martin Sebor <msebor@redhat.com>
12176 * passes.def (pass_warn_printf): Run after SSA.
12178 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
12180 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
12181 * config/arm/predicates.md (minus_one_operand): New predicate.
12183 2021-05-05 Jeff Law <jlaw@tachyum.com>
12185 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
12187 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
12189 PR rtl-optimization/100263
12190 * postreload.c (move2add_valid_value_p): Ensure register can
12193 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12195 PR rtl-optimization/100411
12196 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
12197 and beginning of function markers.
12199 2021-05-05 Jeff Law <jlaw@tachyum.com>
12201 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
12202 * config/cr16/cr16.c (notice_update_cc): Remove.
12203 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
12205 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
12208 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
12209 Handle V8QI, V4HI and V2SI modes.
12210 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
12211 (ix86_build_signbit_mask): Ditto.
12212 * config/i386/mmx.md (MMXMODE14): New mode iterator.
12213 (<smaxmin:code><MMXMODE14:mode>3): New expander.
12214 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
12215 (<umaxmin:code><MMXMODE24:mode>3): New expander.
12216 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
12217 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
12218 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12219 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12220 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12221 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12223 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12225 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
12226 not expand the VALUE_EXPR of variables put in the non-local frame.
12227 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
12228 to be ignored for debug info, ensure its variable offsets are not.
12230 2021-05-05 Richard Biener <rguenther@suse.de>
12232 PR tree-optimization/79333
12233 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
12234 Fold stmt following SSA edges.
12236 2021-05-05 Richard Biener <rguenther@suse.de>
12238 PR middle-end/100394
12239 * calls.c (expand_call): Preserve possibly throwing calls.
12240 * cfgexpand.c (expand_call_stmt): When a call can throw signal
12241 RTL expansion there are side-effects.
12242 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
12243 mark all possibly throwing stmts necessary unless we can elide
12245 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
12246 -fdelete-dead-exceptions.
12247 * tree.h (DECL_PURE_P): Add note about exceptions.
12249 2021-05-05 Alexandre Oliva <oliva@adacore.com>
12251 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
12254 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
12256 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
12257 get_fnname_from_decl for name of thunk.
12258 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
12259 and ASM_OUTPUT_LABEL.
12260 (rs6000_xcoff_declare_function_name): Use assemble_name and
12262 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
12263 (rs6000_xcoff_encode_section_info): Don't add mapping class
12264 for aliases. Always add [DS] mapping class to primary
12266 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
12268 2021-05-04 Martin Sebor <msebor@redhat.com>
12270 PR middle-end/100307
12271 * builtins.c (compute_objsize_r): Clear base0 for pointers.
12273 2021-05-04 Jeff Law <jlaw@tachyum.com>
12275 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
12277 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
12279 * caller-save.c: Remove CC0.
12280 * cfgcleanup.c: Remove CC0.
12281 * cfgrtl.c: Remove CC0.
12282 * combine.c: Remove CC0.
12283 * compare-elim.c: Remove CC0.
12284 * conditions.h: Remove CC0.
12285 * config/h8300/h8300.h: Remove CC0.
12286 * config/h8300/h8300-protos.h: Remove CC0.
12287 * config/h8300/peepholes.md: Remove CC0.
12288 * config/i386/x86-tune-sched.c: Remove CC0.
12289 * config/m68k/m68k.c: Remove CC0.
12290 * config/rl78/rl78.c: Remove CC0.
12291 * config/sparc/sparc.c: Remove CC0.
12292 * config/xtensa/xtensa.c: Remove CC0.
12293 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
12294 RTL where that is used as a placeholder only.
12295 * cprop.c: Remove CC0.
12296 * cse.c: Remove CC0.
12297 * cselib.c: Remove CC0.
12298 * df-problems.c: Remove CC0.
12299 * df-scan.c: Remove CC0.
12300 * doc/md.texi: Remove CC0. Adjust an example.
12301 * doc/rtl.texi: Remove CC0. Adjust an example.
12302 * doc/tm.texi: Regenerate.
12303 * doc/tm.texi.in: Remove CC0.
12304 * emit-rtl.c: Remove CC0.
12305 * final.c: Remove CC0.
12306 * fwprop.c: Remove CC0.
12307 * gcse-common.c: Remove CC0.
12308 * gcse.c: Remove CC0.
12309 * genattrtab.c: Remove CC0.
12310 * genconfig.c: Remove CC0.
12311 * genemit.c: Remove CC0.
12312 * genextract.c: Remove CC0.
12313 * gengenrtl.c: Remove CC0.
12314 * genrecog.c: Remove CC0.
12315 * haifa-sched.c: Remove CC0.
12316 * ifcvt.c: Remove CC0.
12317 * ira-costs.c: Remove CC0.
12318 * ira.c: Remove CC0.
12319 * jump.c: Remove CC0.
12320 * loop-invariant.c: Remove CC0.
12321 * lra-constraints.c: Remove CC0.
12322 * lra-eliminations.c: Remove CC0.
12323 * optabs.c: Remove CC0.
12324 * postreload-gcse.c: Remove CC0.
12325 * postreload.c: Remove CC0.
12326 * print-rtl.c: Remove CC0.
12327 * read-rtl-function.c: Remove CC0.
12328 * reg-notes.def: Remove CC0.
12329 * reg-stack.c: Remove CC0.
12330 * reginfo.c: Remove CC0.
12331 * regrename.c: Remove CC0.
12332 * reload.c: Remove CC0.
12333 * reload1.c: Remove CC0.
12334 * reorg.c: Remove CC0.
12335 * resource.c: Remove CC0.
12336 * rtl.c: Remove CC0.
12337 * rtl.def: Remove CC0.
12338 * rtl.h: Remove CC0.
12339 * rtlanal.c: Remove CC0.
12340 * sched-deps.c: Remove CC0.
12341 * sched-rgn.c: Remove CC0.
12342 * shrink-wrap.c: Remove CC0.
12343 * simplify-rtx.c: Remove CC0.
12344 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
12345 CC_STATUS_MDEP, and CC_STATUS.
12346 * target.def: Remove CC0.
12347 * valtrack.c: Remove CC0.
12348 * var-tracking.c: Remove CC0.
12350 2021-05-04 Richard Biener <rguenther@suse.de>
12352 PR tree-optimization/100414
12353 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
12355 (tree_ssa_phiopt_worker): But unconditionally here.
12357 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
12359 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
12360 && and || with floating-point and complex arguments.
12362 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
12364 * tree-inline.c (insert_debug_decl_map): Delete.
12365 (copy_debug_stmt): Minor tweak.
12366 (setup_one_parameter): Do not use a variable if the value is either
12367 a read-only DECL or a non-addressable local variable in the caller.
12368 In this case, insert the debug-only variable in the map manually.
12369 (expand_call_inline): Do not generate a CLOBBER for these values.
12370 * tree-inline.h (debug_map): Minor tweak.
12372 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
12374 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
12375 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
12377 2021-05-04 Richard Biener <rguenther@suse.de>
12379 PR tree-optimization/100329
12380 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
12382 (insert_stmt_after): Assert we're not running into asm goto.
12384 2021-05-04 Richard Biener <rguenther@suse.de>
12386 PR tree-optimization/100398
12387 * tree-ssa-dse.c (pass_dse::execute): Preserve control
12390 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
12392 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
12394 2021-05-04 Alexandre Oliva <oliva@adacore.com>
12396 * builtins.c (try_store_by_multiple_pieces): New.
12397 (expand_builtin_memset_args): Use it. If target_char_cast
12398 fails, proceed as for non-constant val. Pass len's ctz to...
12399 * expr.c (clear_storage_hints): ... this. Try store by
12400 multiple pieces after setmem.
12401 (clear_storage): Adjust.
12402 * expr.h (clear_storage_hints): Likewise.
12403 (try_store_by_multiple_pieces): Declare.
12404 * passes.def: Replace the last copy_prop with ccp.
12406 2021-05-03 Tom de Vries <tdevries@suse.de>
12409 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
12412 2021-05-03 Richard Biener <rguenther@suse.de>
12414 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
12416 2021-05-03 Richard Biener <rguenther@suse.de>
12418 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
12419 (dse_dom_walker): Remove.
12420 (dse_dom_walker::dse_optimize_stmt): Rename...
12421 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
12422 (dse_dom_walker::before_dom_children): Inline ...
12423 (pass_dse::execute): ... here. Perform a reverse program
12426 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
12429 * configure: Regenerated.
12431 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
12434 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
12435 (s390_md_asm_adjust): Handle hard registers.
12437 2021-05-03 Jakub Jelinek <jakub@redhat.com>
12439 PR tree-optimization/100382
12440 * tree-ssa-dse.c: Include tree-eh.h.
12441 (dse_dom_walker::before_dom_children): Don't remove stmts if
12442 stmt_unremovable_because_of_non_call_eh_p is true.
12444 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
12446 * varasm.c (compute_reloc_for_var): Split out from...
12447 (get_variable_section): Use it.
12448 * output.h (compute_reloc_for_var): Declare.
12449 * config/rs6000/rs6000-protos.h
12450 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
12452 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
12453 Don't append storage mapping class to symbol.
12454 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
12455 Don't convert TLS BSS to common.
12456 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
12457 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
12459 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
12461 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
12462 If align is 0 from TLS class, use the same rules as varasm.c
12463 If not common, switch to BSS section manually.
12464 If common, emit appropriate comm or lcomm directive.
12465 (rs6000_xcoff_encode_section_info): Add logic to append all
12466 storage mapping classes.
12467 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
12468 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
12469 rs6000_xcoff_asm_output_aligned_decl_common.
12470 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
12471 rs6000_xcoff_asm_output_aligned_decl_common.
12472 (ASM_OUTPUT_TLS_COMMON): Use
12473 rs6000_xcoff_asm_output_aligned_decl_common.
12475 2021-05-02 Jakub Jelinek <jakub@redhat.com>
12478 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
12479 as first argument of pseudo_node_t constructors.
12481 2021-05-02 Jakub Jelinek <jakub@redhat.com>
12484 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
12486 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
12488 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
12489 (gt_pch_nx (int_range<1> *&)): New.
12490 (gt_ggc_mx (int_range<1> *&)): New.
12491 * value-range.h (class irange): Add GTY support for
12494 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
12496 * doc/options.texi (Negative): Change either or to both and.
12498 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
12500 * config/aarch64/aarch64-simd-builtins.def: Add
12501 float_ml[as][q]_laneq builtin generator macros.
12502 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
12503 (aarch64_float_mla_laneq<mode>): Define.
12504 (aarch64_float_mls_laneq<mode>): Define.
12505 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
12506 instead of GCC vector extensions.
12507 (vmlaq_laneq_f32): Likewise.
12508 (vmls_laneq_f32): Likewise.
12509 (vmlsq_laneq_f32): Likewise.
12511 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
12513 * config/aarch64/aarch64-simd-builtins.def: Add
12514 float_ml[as]_lane builtin generator macros.
12515 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
12517 (mul_lane<mode>3): This, and re-order arguments.
12518 (aarch64_float_mla_lane<mode>): Define.
12519 (aarch64_float_mls_lane<mode>): Define.
12520 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
12521 instead of GCC vector extensions.
12522 (vmlaq_lane_f32): Likewise.
12523 (vmls_lane_f32): Likewise.
12524 (vmlsq_lane_f32): Likewise.
12526 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
12528 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
12529 builtin generator macros.
12530 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
12532 (aarch64_float_mls<mode>): Define.
12533 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
12534 instead of relying on GCC vector extensions.
12535 (vmla_f64): Likewise.
12536 (vmlaq_f32): Likewise.
12537 (vmlaq_f64): Likewise.
12538 (vmls_f32): Likewise.
12539 (vmls_f64): Likewise.
12540 (vmlsq_f32): Likewise.
12541 (vmlsq_f64): Likewise.
12542 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
12544 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
12546 * config/aarch64/aarch64-simd-builtins.def: Add
12547 float_ml[as]_n_builtin generator macros.
12548 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
12550 (mul_n<mode>3): This, and re-order arguments.
12551 (aarch64_float_mla_n<mode>): Define.
12552 (aarch64_float_mls_n<mode>): Define.
12553 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
12554 instead of inline asm.
12555 (vmlaq_n_f32): Likewise.
12556 (vmls_n_f32): Likewise.
12557 (vmlsq_n_f32): Likewise.
12559 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
12561 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
12562 builtin generator macros.
12563 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
12564 (aarch64_pmull_hiv16qi_insn): Define.
12565 (aarch64_pmull_hiv16qi): Define.
12566 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
12567 instead of inline asm.
12568 (vmull_p8): Likewise.
12570 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
12572 * config/avr/avr.md: Adjust peepholes to match and
12573 generate parallels with clobber of REG_CC.
12574 (mov<mode>_insn): Rename to mov<mode>_insn_split.
12575 (*mov<mode>_insn): Rename to mov<mode>_insn.
12577 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
12579 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
12580 for VAR_DECLs if -fdata-sections enabled.
12582 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
12584 PR bootstrap/100327
12585 * config/rs6000/rs6000.c
12586 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
12587 (rs6000_libgcc_floating_mode_supported_p): New target hook.
12589 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
12591 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
12593 (class back_threader_registry): ...to here...
12594 (class back_threader_profitability): ...and here...
12595 (thread_jumps::thread_through_all_blocks): Remove argument.
12596 (back_threader_registry::back_threader_registry): New.
12597 (back_threader_registry::~back_threader_registry): New.
12598 (back_threader_registry::thread_through_all_blocks): New.
12599 (thread_jumps::profitable_jump_thread_path): Move from here...
12600 (back_threader_profitability::profitable_path_p): ...to here.
12601 (thread_jumps::find_taken_edge): New.
12602 (thread_jumps::convert_and_register_current_path): Move...
12603 (back_threader_registry::register_path): ...to here.
12604 (thread_jumps::register_jump_thread_path_if_profitable): Move...
12605 (thread_jumps::maybe_register_path): ...to here.
12606 (thread_jumps::handle_phi): Call find_taken_edge and
12607 maybe_register_path.
12608 (thread_jumps::handle_assignment): Same.
12609 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
12610 tree argument to handle_phi and handle_assignment.
12611 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
12612 set of m_speed_p and m_max_threaded_paths.
12613 (pass_thread_jumps::execute): Remove second argument from
12614 find_jump_threads_backwards.
12615 (pass_early_thread_jumps::execute): Same.
12617 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
12619 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
12620 (class dom_opt_dom_walker): Initialize some class variables.
12621 (pass_dominator::execute): Pass evrp_range_analyzer and
12622 dom_jump_threader_simplifier to dom_opt_dom_walker.
12623 Adjust for some functions moving into classes.
12624 (simplify_stmt_for_jump_threading): Adjust and move to...
12625 (jump_threader_simplifier::simplify): ...here.
12626 (dom_opt_dom_walker::before_dom_children): Adjust for
12627 m_evrp_range_analyzer.
12628 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
12629 (test_for_singularity): Place in dom_opt_dom_walker class.
12630 (dom_opt_dom_walker::optimize_stmt): The argument
12631 evrp_range_analyzer is now a class field.
12632 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
12633 (thread_jumps::thread_through_all_blocks): New.
12634 (thread_jumps::convert_and_register_current_path): Use m_registry.
12635 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
12636 being in the threader class.
12637 (pass_early_thread_jumps::execute): Same.
12638 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
12639 (jump_threader::jump_threader): ...here.
12640 (threadedge_finalize_values): Move...
12641 (jump_threader::~jump_threader): ...here.
12642 (jump_threader::remove_jump_threads_including): New.
12643 (jump_threader::thread_through_all_blocks): New.
12644 (record_temporary_equivalences_from_phis): Move...
12645 (jump_threader::record_temporary_equivalences_from_phis): ...here.
12646 (record_temporary_equivalences_from_stmts_at_dest): Move...
12647 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
12649 (simplify_control_stmt_condition_1): Move to jump_threader class.
12650 (simplify_control_stmt_condition): Move...
12651 (jump_threader::simplify_control_stmt_condition): ...here.
12652 (thread_around_empty_blocks): Move...
12653 (jump_threader::thread_around_empty_blocks): ...here.
12654 (thread_through_normal_block): Move...
12655 (jump_threader::thread_through_normal_block): ...here.
12656 (thread_across_edge): Move...
12657 (jump_threader::thread_across_edge): ...here.
12658 (thread_outgoing_edges): Move...
12659 (jump_threader::thread_outgoing_edges): ...here.
12660 * tree-ssa-threadedge.h: Move externally facing functings...
12661 (class jump_threader): ...here...
12662 (class jump_threader_simplifier): ...and here.
12663 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
12664 (jump_thread_path_allocator::jump_thread_path_allocator): New.
12665 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
12666 (jump_thread_path_allocator::allocate_thread_edge): New.
12667 (jump_thread_path_allocator::allocate_thread_path): New.
12668 (jump_thread_path_registry::jump_thread_path_registry): New.
12669 (jump_thread_path_registry::~jump_thread_path_registry): New.
12670 (jump_thread_path_registry::allocate_thread_edge): New.
12671 (jump_thread_path_registry::allocate_thread_path): New.
12672 (dump_jump_thread_path): Make extern.
12673 (debug (const vec<jump_thread_edge *> &path)): New.
12674 (struct removed_edges): Move to tree-ssa-threadupdate.h.
12675 (struct thread_stats_d): Remove.
12676 (remove_ctrl_stmt_and_useless_edges): Make static.
12677 (lookup_redirection_data): Move...
12678 (jump_thread_path_registry::lookup_redirection_data): ...here.
12679 (ssa_redirect_edges): Make static.
12680 (thread_block_1): Move...
12681 (jump_thread_path_registry::thread_block_1): ...here.
12682 (thread_block): Move...
12683 (jump_thread_path_registry::thread_block): ...here.
12684 (thread_through_loop_header): Move...
12685 (jump_thread_path_registry::thread_through_loop_header): ...here.
12686 (mark_threaded_blocks): Move...
12687 (jump_thread_path_registry::mark_threaded_blocks): ...here.
12688 (debug_path): Move...
12689 (jump_thread_path_registry::debug_path): ...here.
12690 (debug_all_paths): Move...
12691 (jump_thread_path_registry::dump): ..here.
12692 (rewire_first_differing_edge): Move...
12693 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
12694 (adjust_paths_after_duplication): Move...
12695 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
12696 (duplicate_thread_path): Move...
12697 (jump_thread_path_registry::duplicate_thread_path): ..here.
12698 (remove_jump_threads_including): Move...
12699 (jump_thread_path_registry::remove_jump_threads_including): ...here.
12700 (thread_through_all_blocks): Move to...
12701 (jump_thread_path_registry::thread_through_all_blocks): ...here.
12702 (delete_jump_thread_path): Remove.
12703 (register_jump_thread): Move...
12704 (jump_thread_path_registry::register_jump_thread): ...here.
12705 * tree-ssa-threadupdate.h: Move externally facing functions...
12706 (class jump_thread_path_allocator): ...here...
12707 (class jump_thread_path_registry): ...and here.
12708 (thread_through_all_blocks): Remove.
12709 (struct removed_edges): New.
12710 (register_jump_thread): Remove.
12711 (remove_jump_threads_including): Remove.
12712 (delete_jump_thread_path): Remove.
12713 (remove_ctrl_stmt_and_useless_edges): Remove.
12714 (free_dom_edge_info): New prototype.
12715 * tree-vrp.c: Remove x_vr_values hack.
12716 (class vrp_jump_threader_simplifier): New.
12717 (vrp_jump_threader_simplifier::simplify): New.
12718 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
12719 Remove m_dummy_cond.
12720 Instantiate m_simplifier and m_threader.
12721 (vrp_jump_threader::thread_through_all_blocks): New.
12722 (vrp_jump_threader::simplify_stmt): Remove.
12723 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
12724 Remove x_vr_values hack.
12725 (execute_vrp): Adjust for thread_through_all_blocks being in a
12728 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
12730 * genflags.c (gen_insn): Print failed expansion string.
12732 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
12734 * expr.c (alignment_for_piecewise_move): Call mode_for_size
12735 without limit to MAX_FIXED_MODE_SIZE.
12737 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
12739 PR middle-end/90773
12740 * builtins.c (builtin_memset_gen_str): Don't use return from
12741 simplify_gen_subreg.
12743 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
12746 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
12747 (*addsi3_carry_zext_0r): Ditto.
12748 (*sub<mode>3_carry_0): Ditto.
12749 (*subsi3_carry_zext_0r): Ditto.
12750 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
12752 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
12753 Also consider ix86_carry_flag_unset_operator to calculate
12754 the cost of adc/sbb insn.
12756 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
12758 PR rtl-optimization/100225
12759 PR rtl-optimization/84878
12760 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
12761 where we have an instruction which touches (writes) any hard
12762 register from df->regular_block_artificial_uses set.
12763 Allow not-single-set instruction only right before basic block
12766 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
12768 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
12770 2021-04-30 LevyHsu <admin@levyhsu.com>
12772 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
12773 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
12774 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
12775 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
12777 2021-04-29 Alexandre Oliva <oliva@adacore.com>
12779 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
12781 2021-04-29 Alexandre Oliva <oliva@adacore.com>
12783 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
12784 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
12785 * config/i386/i386.c: Adjust.
12786 * config/i386/i386.md: Adjust.
12787 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
12788 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12789 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12790 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12791 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12792 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12793 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12794 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12795 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12796 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12797 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
12799 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
12801 * config/i386/i386-expand.c (ix86_expand_int_compare):
12802 Swap operands of GTU and LEU comparison to emit carry flag comparison.
12803 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
12804 predicate to allow more combine opportunities with memory operands.
12805 (*sub<mode>3_carry_0): Ditto.
12807 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
12809 PR rtl-optimization/100303
12810 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
12811 boolean that indicates whether the use will only be used in
12812 debug instructions. Treat it in the same way that existing
12813 cross-EBB debug references would be handled if so.
12814 (function_info::make_uses_available): Likewise.
12815 * rtl-ssa/functions.h (function_info::make_uses_available): Update
12816 prototype accordingly.
12817 (function_info::make_uses_available): Likewise.
12818 * fwprop.c (try_fwprop_subst): Update call accordingly.
12820 2021-04-29 Jeff Law <jlaw@tachyum.com>
12822 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
12825 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
12826 Richard Biener <rguenther@suse.de>
12829 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
12830 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
12831 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
12832 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
12833 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
12834 to PURE_ARGS category.
12835 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
12836 Handle PURE_ARGS category.
12837 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
12839 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
12841 * configure.ac: Check for the presence of sys/locking.h header and
12842 for whether _LK_LOCK is supported by _locking.
12843 * configure: Regenerate.
12844 * config.in: Likewise.
12845 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
12846 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
12847 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
12849 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
12851 * config/i386/predicates.md (fcmov_comparison_operator):
12852 Do not check for trivial FP comparison operator.
12853 <case GEU, case LTU>: Allow CCGZmode.
12854 <case GTU, case LEU>: Do not allow CCCmode.
12855 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
12856 (ix86_carry_flag_operator): Match only LTU and UNLT code.
12857 Do not check for trivial FP comparison operator. Allow CCGZmode.
12859 2021-04-29 Tom de Vries <tdevries@suse.de>
12861 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
12862 fd->loop.step by either step or orig_step.
12864 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
12866 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
12867 (load_got_register): Do the PIC dance here.
12868 (sparc_legitimize_tls_address): Simplify.
12869 (sparc_emit_probe_stack_range): Likewise.
12870 (sparc32_initialize_trampoline): Likewise.
12871 (sparc64_initialize_trampoline): Likewise.
12872 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
12873 (probe_stack_range<P:mode>): Likewise.
12874 (flush<P:mode>): Likewise.
12875 (tgd_hi22<P:mode>): Likewise.
12876 (tgd_lo10<P:mode>): Likewise.
12877 (tgd_add<P:mode>): Likewise.
12878 (tgd_call<P:mode>): Likewise.
12879 (tldm_hi22<P:mode>): Likewise.
12880 (tldm_lo10<P:mode>): Likewise.
12881 (tldm_add<P:mode>): Likewise.
12882 (tldm_call<P:mode>): Likewise.
12883 (tldo_hix22<P:mode>): Likewise.
12884 (tldo_lox10<P:mode>): Likewise.
12885 (tldo_add<P:mode>): Likewise.
12886 (tie_hi22<P:mode>): Likewise.
12887 (tie_lo10<P:mode>): Likewise.
12888 (tie_add<P:mode>): Likewise.
12889 (tle_hix22<P:mode>): Likewise.
12890 (tle_lox10<P:mode>): Likewise.
12891 (stack_protect_setsi): Rename to...
12892 (stack_protect_set32): ...this.
12893 (stack_protect_setdi): Rename to...
12894 (stack_protect_set64): ...this.
12895 (stack_protect_set): Adjust calls to above.
12896 (stack_protect_testsi): Rename to...
12897 (stack_protect_test32): ...this.
12898 (stack_protect_testdi): Rename to...
12899 (stack_protect_test64): ...this.
12900 (stack_protect_test): Adjust calls to above.
12902 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
12904 PR middle-end/90773
12905 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
12906 (builtin_strncpy_read_str): Likewise.
12907 (builtin_memset_read_str): Add an argument for the previous RTL
12908 information and generate the new RTL from the previous RTL info.
12909 (builtin_memset_gen_str): Likewise.
12910 * builtins.h (builtin_strncpy_read_str): Update the prototype.
12911 (builtin_memset_read_str): Likewise.
12912 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
12913 returns true, round up size and alignment to the widest integer
12914 mode for maximum size.
12915 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
12916 and pass it to m_constfn.
12917 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
12918 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
12919 initialize m_push. Initialize m_overlap_op_by_pieces with
12920 targetm.overlap_op_by_pieces_p ().
12921 (op_by_pieces_d::run): Pass the previous RTL information to
12922 pieces_addr::adjust and generate overlapping operations if
12923 m_overlap_op_by_pieces is true.
12925 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
12927 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
12929 (can_store_by_pieces): Use by_pieces_constfn on constfun.
12930 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
12931 for op_by_pieces_d change.
12932 (clear_by_pieces_1): Add a dummy argument.
12933 (clear_by_pieces): Updated for op_by_pieces_d change.
12934 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
12935 (string_cst_read_str): Add a dummy argument.
12936 * expr.h (by_pieces_constfn): Add a dummy argument.
12937 (by_pieces_prev): New.
12938 * target.def (overlap_op_by_pieces_p): New target hook.
12939 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
12940 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
12941 * doc/tm.texi: Regenerated.
12943 2021-04-29 Richard Biener <rguenther@suse.de>
12945 PR tree-optimization/100253
12946 * tree-vect-stmts.c (vectorizable_load): Do not assume
12947 element alignment when DR_MISALIGNMENT is -1.
12948 (vectorizable_store): Likewise.
12950 2021-04-29 Jakub Jelinek <jakub@redhat.com>
12953 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
12954 absu_hwi instead of abs_hwi.
12956 2021-04-29 Richard Biener <rguenther@suse.de>
12958 PR middle-end/38474
12959 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
12960 forwarding when indirect forwarding through ESCAPED
12963 2021-04-29 Tom de Vries <tdevries@suse.de>
12966 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
12967 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
12968 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
12969 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
12971 2021-04-29 Richard Biener <rguenther@suse.de>
12973 PR tree-optimization/99912
12974 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
12975 (dse_dom_walker::todo): Likewise.
12976 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
12978 (dse_dom_walker::before_dom_children): Remove trivially
12979 dead SSA defs and schedule CFG cleanup if we removed all
12981 (pass_dse::execute): Get TODO as computed by the DOM walker
12982 and return it. Wipe dominator info earlier.
12984 2021-04-29 Richard Biener <rguenther@suse.de>
12987 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
12988 Track blocks to cleanup EH in new m_need_eh_cleanup.
12989 (ipcp_modif_dom_walker::cleanup_eh): New.
12990 (ipcp_transform_function): Release dominator info before
12993 2021-04-29 Martin Sebor <msebor@redhat.com>
12995 PR middle-end/100250
12996 * attribs.c (attr_access::array_as_string): Avoid dereferencing
12997 a pointer when it's null.
12999 2021-04-29 Martin Sebor <msebor@redhat.com>
13001 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
13002 * ipa-free-lang-data.cc: New file.
13003 * tree.c: Move pass free_lang_data to file above.
13004 (build_array_type_1): Declare extern.
13005 * tree.h (build_array_type_1): Declare.
13007 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13009 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
13010 make consistent with updated RTL pattern.
13011 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
13012 Implement using ss_truncate and us_truncate rather than
13014 * config/aarch64/iterators.md: Remove redundant unspecs and
13015 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
13017 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13019 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
13020 attributes consistent with those defined in arm_neon.h.
13022 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13024 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
13025 attributes consistent with those defined in arm_neon.h.
13027 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13029 * config/aarch64/aarch64-simd-builtins.def: Add
13030 float_trunc_rodd builtin generator macros.
13031 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
13033 (aarch64_float_trunc_rodd_lo_v2sf): Define.
13034 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
13035 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
13036 (aarch64_float_trunc_rodd_hi_v4sf): Define.
13037 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
13038 instead of inline asm.
13039 (vcvtx_high_f32_f64): Likewise.
13040 (vcvtxd_f32_f64): Likewise.
13041 * config/aarch64/iterators.md: Add FCVTXN unspec.
13043 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13045 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
13047 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
13049 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
13050 instead of inline asm.
13051 (vqtbx1_u8): Likewise.
13052 (vqtbx1_p8): Likewise.
13053 (vqtbx1q_s8): Likewise.
13054 (vqtbx1q_u8): Likewise.
13055 (vqtbx1q_p8): Likewise.
13056 (vtbx2_s8): Likewise.
13057 (vtbx2_u8): Likewise.
13058 (vtbx2_p8): Likewise.
13060 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13062 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
13064 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
13065 instead of inline asm.
13066 (vqtbl1_s8): Likewise.
13067 (vqtbl1_u8): Likewise.
13068 (vqtbl1q_p8): Likewise.
13069 (vqtbl1q_s8): Likewise.
13070 (vqtbl1q_u8): Likewise.
13071 (vtbl1_s8): Likewise.
13072 (vtbl1_u8): Likewise.
13073 (vtbl1_p8): Likewise.
13074 (vtbl2_s8): Likewise.
13075 (vtbl2_u8): Likewise.
13076 (vtbl2_p8): Likewise.
13078 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13080 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
13081 ssri_n buitin generator macro.
13082 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
13083 instead of inline asm.
13084 (vsri_n_p16): Likewise.
13085 (vsri_n_p64): Likewise.
13086 (vsriq_n_p8): Likewise.
13087 (vsriq_n_p16): Likewise.
13088 (vsriq_n_p64): Likewise.
13090 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13092 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
13093 iterator for polynomial ssli_n builtin generator macro.
13094 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
13095 instead of inline asm.
13096 (vsli_n_p16): Likewise.
13097 (vsliq_n_p8): Likewise.
13098 (vsliq_n_p16): Likewise.
13099 * config/aarch64/iterators.md: Define VALLP mode iterator.
13101 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13103 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
13104 iterator to generate [su]adalp RTL builtins.
13105 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
13106 [su]adalp RTL pattern.
13107 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
13108 instead of inline asm.
13109 (vpadal_u32): Likewise.
13111 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13113 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
13114 builtin generator macros.
13115 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
13117 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
13118 instead of inline asm.
13119 (vpaddl_s16): Likewise.
13120 (vpaddl_s32): Likewise.
13121 (vpaddl_u8): Likewise.
13122 (vpaddl_u16): Likewise.
13123 (vpaddl_u32): Likewise.
13124 (vpaddlq_s8): Likewise.
13125 (vpaddlq_s16): Likewise.
13126 (vpaddlq_s32): Likewise.
13127 (vpaddlq_u8): Likewise.
13128 (vpaddlq_u16): Likewise.
13129 (vpaddlq_u32): Liwewise.
13130 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
13131 appropriate attributes.
13133 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13135 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
13136 for aarch64_addp<mode> builtin macro generator.
13137 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
13138 aarch64_addp<mode> RTL pattern.
13139 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
13140 instead of inline asm.
13141 (vpaddq_s16): Likewise.
13142 (vpaddq_s32): Likewise.
13143 (vpaddq_s64): Likewise.
13144 (vpaddq_u8): Likewise.
13145 (vpaddq_u16): Likewise.
13146 (vpaddq_u32): Likewise.
13147 (vpaddq_u64): Likewise.
13149 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13151 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
13152 builtin generator macros.
13153 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
13155 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
13156 instead of inline asm.
13157 (vqdmulh_n_s32): Likewise.
13158 (vqdmulhq_n_s16): Likewise.
13159 (vqdmulhq_n_s32): Likewise.
13160 (vqrdmulh_n_s16): Likewise.
13161 (vqrdmulh_n_s32): Likewise.
13162 (vqrdmulhq_n_s16): Likewise.
13163 (vqrdmulhq_n_s32): Likewise.
13165 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
13167 * doc/install.texi (--enable-offload-defaulted): Document.
13169 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
13171 * config/avr/avr-dimode.md: Turn existing patterns into
13172 define_insn_and_split style patterns where the splitter
13173 adds a clobber of the condition code register. Drop "cc"
13174 attribute. Add new patterns to match output of
13176 * config/avr/avr-fixed.md: Likewise.
13177 * config/avr/avr.c (cc_reg_rtx): New.
13178 (avr_parallel_insn_from_insns): Adjust insn count
13179 for removal of set of cc0.
13180 (avr_is_casesi_sequence): Likewise.
13181 (avr_casei_sequence_check_operands): Likewise.
13182 (avr_optimize_casesi): Likewise. Also insert
13183 new insns after jump_insn.
13184 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
13185 for removal of set of cc0.
13186 (avr_init_expanders): Initialize cc_reg_rtx.
13187 (avr_regno_reg_class): Handle REG_CC.
13188 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
13189 (avr_notice_update_cc): Remove function.
13190 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
13191 (compare_condition): Adjust for PARALLEL with
13193 (out_shift_with_cnt): Likewise.
13194 (ashlhi3_out): Likewise.
13195 (ashrhi3_out): Likewise.
13196 (lshrhi3_out): Likewise.
13197 (avr_class_max_nregs): Return single reg for REG_CC.
13198 (avr_compare_pattern): Check for REG_CC instead
13200 (avr_reorg_remove_redundant_compare): Likewise.
13201 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
13202 (avr_hard_regno_nregs): Return single reg for REG_CC.
13203 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
13204 (avr_md_asm_adjust): Clobber REG_CC.
13205 (TARGET_HARD_REGNO_NREGS): Define.
13206 (TARGET_CLASS_MAX_NREGS): Define.
13207 (TARGET_MD_ASM_ADJUST): Define.
13208 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
13210 (enum reg_class): Add CC_REG class.
13211 (NOTICE_UPDATE_CC): Remove.
13212 (CC_OVERFLOW_UNUSABLE): Remove.
13213 (CC_NO_CARRY): Remove.
13214 * config/avr/avr.md: Turn existing patterns into
13215 define_insn_and_split style patterns where the splitter
13216 adds a clobber of the condition code register. Drop "cc"
13217 attribute. Add new patterns to match output of
13219 (sez): Remove unused pattern.
13221 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
13224 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
13227 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
13230 * config/aarch64/constraints.md (Utq): Require the address to
13231 be valid for both the element mode and for V2DImode.
13233 2021-04-28 Jakub Jelinek <jakub@redhat.com>
13234 Tobias Burnus <tobias@codesourcery.com>
13236 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
13237 * gcc.c (process_command): New variable.
13238 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
13239 set it if -foffload is defaulted.
13240 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
13241 (compile_offload_image): If OFFLOAD_DEFAULTED and
13242 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
13243 if corresponding mkoffload can't be found.
13244 (compile_images_for_offload_targets): Likewise. Free and clear
13245 offload_names if no valid offload is found.
13246 * config.in: Regenerate.
13247 * configure: Regenerate.
13249 2021-04-28 Richard Biener <rguenther@suse.de>
13251 PR tree-optimization/100292
13252 * tree-vect-generic.c (expand_vector_condition): Do not fold
13255 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13257 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
13258 * config/rs6000/aix64.opt (m64): New.
13261 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13263 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
13264 (index_term_p): Handle ASHIFT too.
13266 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13268 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
13269 (sync_lock_test_and_set<mode>): Adjust accordingly.
13270 (sync_lock_release<mode>): Likewise.
13272 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13274 * config/vax/vax-protos.h (adjacent_operands_p): Remove
13276 * config/vax/vax.c (adjacent_operands_p): Remove.
13278 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
13280 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
13281 through to the non-conditional execution case if getting the
13282 condition for conditional execution has failed.
13284 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
13286 PR middle-end/100284
13287 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
13288 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
13289 than asserting on it.
13291 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13293 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
13294 with TARGET_AIX_OS.
13296 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13299 * calls.c (precompute_register_parameters): Additionally test
13300 targetm.precompute_tls_p to pre-compute argument.
13301 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
13302 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
13303 * target.def (precompute_tls_p): New.
13304 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
13305 * doc/tm.texi: Regenerated.
13307 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13310 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
13311 back to HOST_WIDE_INT.
13313 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
13316 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
13317 memory alignment for the outer mode.
13319 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
13321 PR middle-end/90773
13322 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
13323 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
13325 2021-04-27 Alex Coplan <alex.coplan@arm.com>
13328 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
13329 with negative immediates: ensure we expand cbranchsi4_scratch
13330 correctly and ensure we satisfy its constraints.
13331 * config/arm/sync.md
13332 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
13333 attempt to tie two output operands together with constraints;
13334 collapse two alternatives.
13335 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
13336 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
13338 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13341 * config/aarch64/predicates.md (aarch64_sub_immediate,
13342 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
13343 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
13344 * config/aarch64/aarch64.c (aarch64_print_operand,
13345 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
13347 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13349 PR tree-optimization/100239
13350 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
13351 permutations with all indices from the first zero element as vec_shl.
13353 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13355 PR rtl-optimization/100254
13356 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
13357 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
13359 2021-04-27 Richard Biener <rguenther@suse.de>
13361 PR tree-optimization/99912
13362 * passes.def: Add comment about new TODO_remove_unused_locals.
13363 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
13366 2021-04-27 Richard Biener <rguenther@suse.de>
13368 PR tree-optimization/99912
13369 * passes.def (pass_all_optimizations): Add pass_dse before
13370 the first pass_dce, move the first pass_dse before the
13371 pass_dce following pass_pre.
13373 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13375 PR tree-optimization/95527
13376 * generic-match-head.c: Include tm.h.
13377 * gimple-match-head.c: Include tm.h.
13378 * match.pd (CLZ == INTEGER_CST): Don't use
13379 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
13380 if clz == CFN_CLZ. Add missing val declaration.
13381 (CTZ cmp CST): New simplifications.
13383 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13385 PR tree-optimization/96696
13386 * expr.c (expand_expr_divmod): New function.
13387 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
13388 divisions. Formatting fixes.
13389 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
13392 2021-04-27 Martin Jambor <mjambor@suse.cz>
13395 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
13396 If removing a call statement LHS SSA name, release it.
13398 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
13401 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
13402 is valid before including it in the mask.
13404 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
13407 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
13410 2021-04-27 Richard Biener <rguenther@suse.de>
13412 PR tree-optimization/100051
13413 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
13414 disambiguator based on access size vs. decl size.
13416 2021-04-27 Richard Biener <rguenther@suse.de>
13418 PR tree-optimization/100278
13419 * tree-ssa-pre.c (compute_avail): Give up when we cannot
13420 adjust TBAA beacuse of mismatching bases.
13422 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13425 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
13426 For any_rotate define_insn_split and following splitters, use
13427 SWI iterator instead of SWI48.
13429 2021-04-27 Richard Biener <rguenther@suse.de>
13431 PR tree-optimization/99776
13432 * match.pd (bit_field_ref (ctor)): Relax element extract
13433 type compatibility checks.
13435 2021-04-27 Cui,Lili <lili.cui@intel.com>
13437 * common/config/i386/i386-common.c (processor_names):
13438 Sync processor_names with processor_type.
13439 * config/i386/i386-options.c (processor_cost_table):
13440 Sync processor_cost_table with processor_type.
13442 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13444 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
13445 (irange::set): Call irange_set_1bit_anti_range for handling all
13446 1-bit ranges. Fall through on ~[MIN,MAX].
13448 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13450 * value-range.cc (irange::legacy_num_pairs): Remove.
13451 (irange::invert): Change gcc_assert to gcc_checking_assert.
13452 * value-range.h (irange::num_pairs): Adjust for a cached
13453 num_pairs(). Also, rename all gcc_assert's to
13454 gcc_checking_assert's.
13456 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13458 * value-range.cc (irange::operator=): Set m_kind.
13459 (irange::copy_to_legacy): Handle varying and undefined sources
13460 as a legacy copy since they can be easily copied.
13461 (irange::irange_set): Set m_kind.
13462 (irange::irange_set_anti_range): Same.
13463 (irange::set): Rename normalize_min_max to normalize_kind.
13464 (irange::verify_range): Adjust for multi-ranges having the
13466 (irange::irange_union): Set m_kind.
13467 (irange::irange_intersect): Same.
13468 (irange::invert): Same.
13469 * value-range.h (irange::kind): Always return m_kind.
13470 (irange::varying_p): Rename to...
13471 (irange::varying_comptaible_p): ...this.
13472 (irange::undefined_p): Only look at m_kind.
13473 (irange::irange): Always set VR_UNDEFINED if applicable.
13474 (irange::set_undefined): Always set VR_UNDEFINED.
13475 (irange::set_varying): Always set m_kind to VR_VARYING.
13476 (irange::normalize_min_max): Rename to...
13477 (irange::normalize_kind): ...this.
13479 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13481 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
13482 Adjust for constant_p including varying_p.
13483 * tree-vrp.c (vrp_prop::finalize): Same.
13484 (determine_value_range): Same.
13485 * vr-values.c (vr_values::range_of_expr): Same.
13486 * value-range.cc (irange::symbolic_p): Do not check varying_p.
13487 (irange::constant_p): Same.
13489 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
13491 * value-range.cc (irange::legacy_lower_bound): Replace
13492 !undefined_p check with num_ranges > 0.
13493 (irange::legacy_upper_bound): Same.
13494 * value-range.h (irange::type): Same.
13495 (irange::lower_bound): Same.
13496 (irange::upper_bound): Same.
13498 2021-04-26 Richard Biener <rguenther@suse.de>
13500 PR tree-optimization/99956
13501 * gimple-loop-interchange.cc (compute_access_stride):
13502 Try instantiating the access in a shallower loop nest
13503 if instantiating failed.
13504 (compute_access_strides): Pass adjustable loop_nest
13505 to compute_access_stride.
13507 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
13509 * doc/sourcebuild.texi (arm_cmse_hw): Document.
13511 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13513 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
13515 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
13516 Nathan Sidwell <nathan@codesourcery.com>
13517 Tom de Vries <vries@codesourcery.com>
13518 Julian Brown <julian@codesourcery.com>
13519 Kwok Cheung Yeung <kcy@codesourcery.com>
13521 * omp-offload.c (oacc_validate_dims): Implement
13522 '-Wopenacc-parallelism'.
13523 * doc/invoke.texi (-Wopenacc-parallelism): Document.
13525 2021-04-26 Richard Biener <rguenther@suse.de>
13527 * tree-cfg.h (gimplify_build1): Remove.
13528 (gimplify_build2): Likewise.
13529 (gimplify_build3): Likewise.
13530 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
13531 (gimplify_build2): Likewise.
13532 (gimplify_build3): Likewise.
13533 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
13535 (gimplify_build2): Likewise.
13536 (gimplify_build3): Likewise.
13537 (tree_vec_extract): Use resimplify with following SSA edges.
13538 (expand_vector_parallel): Avoid passing NULL size/bitpos
13539 to tree_vec_extract.
13540 * expr.c (store_constructor): Deal with zero-element CTORs.
13541 * match.pd (bit_field_ref <vector CTOR>): Make sure to
13542 produce vector constants when possible.
13544 2021-04-26 Richard Biener <rguenther@suse.de>
13546 * tree-complex.c: Include gimple-fold.h.
13547 (expand_complex_addition): Use gimple_build.
13548 (expand_complex_multiplication_components): Likewise.
13549 (expand_complex_multiplication): Likewise.
13550 (expand_complex_div_straight): Likewise.
13551 (expand_complex_div_wide): Likewise.
13552 (expand_complex_division): Likewise.
13553 (expand_complex_conjugate): Likewise.
13554 (expand_complex_comparison): Likewise.
13556 2021-04-26 Richard Biener <rguenther@suse.de>
13558 * tree-ssa-phiopt.c (two_value_replacement): Remove use
13559 of legacy gimplify_buildN API.
13561 2021-04-26 Richard Biener <rguenther@suse.de>
13563 PR tree-optimization/99473
13564 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
13567 2021-04-26 Richard Biener <rguenther@suse.de>
13569 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
13570 Use replace_call_with_value.
13572 2021-04-26 Richard Biener <rguenther@suse.de>
13574 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
13575 (update_gimple_call): Likewise.
13576 (update_call_from_tree): Likewise.
13577 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
13578 (valid_gimple_call_p): Likewise.
13579 (move_ssa_defining_stmt_for_defs): Likewise.
13580 (finish_update_gimple_call): Likewise.
13581 (update_gimple_call): Likewise.
13582 (update_call_from_tree): Likewise.
13583 (propagate_tree_value_into_stmt): Use replace_call_with_value.
13584 * gimple-fold.h (update_gimple_call): Declare.
13585 * gimple-fold.c (valid_gimple_rhs_p): Move here from
13586 tree-ssa-propagate.c.
13587 (update_gimple_call): Likewise.
13588 (valid_gimple_call_p): Likewise.
13589 (finish_update_gimple_call): Likewise, and simplify.
13590 (gimplify_and_update_call_from_tree): Implement
13591 update_call_from_tree functionality, avoid excessive
13592 push/pop_gimplify_context.
13593 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
13594 (gimple_fold_call): Likewise.
13595 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
13596 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
13597 (pass_fold_builtins::execute): Likewise.
13598 (optimize_stack_restore): Use replace_call_with_value.
13599 * tree-cfg.c (fold_loop_internal_call): Likewise.
13600 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
13601 only gimplify_and_update_call_from_tree.
13602 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
13603 (handle_builtin_strchr): Likewise.
13604 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
13606 2021-04-26 Jakub Jelinek <jakub@redhat.com>
13609 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
13610 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
13613 2021-04-25 liuhongt <hongtao.liu@intel.com>
13616 * config/i386/i386-builtin.def (BDESC): Change the icode of
13617 the following builtins to CODE_FOR_nothing.
13618 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
13619 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
13620 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
13621 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
13622 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
13623 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
13624 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
13625 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
13626 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
13627 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
13628 (sse2_eq<mode>3): Ditto.
13629 (sse4_1_eqv2di3): Ditto.
13630 (sse2_gt<mode>3): Rename to ..
13631 (*sse2_gt<mode>3): .. this.
13633 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
13636 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
13639 * config/darwin.c (darwin_binds_local_p): Assume that any
13640 public symbol might be interposed for PIC code. Update function
13641 header comment to reflect current Darwin capability.
13643 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
13646 * config/darwin.c (darwin_binds_local_p): Assume that any
13647 public symbol might be interposed for PIC code. Update function
13648 header comment to reflect current Darwin capability.
13650 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
13652 * doc/sourcebuild.texi: Document no-opts and any-opts target
13655 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
13657 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
13659 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
13661 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
13663 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
13666 * config/i386/i386-options.c (ix86_option_override_internal):
13667 Error out when -m96bit-long-double is used with 64bit targets.
13668 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
13670 2021-04-23 Martin Liska <mliska@suse.cz>
13672 * lto-wrapper.c: Remove FIXME about usage of
13673 hardware_concurrency. The function is not on par with
13676 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
13679 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
13680 Copy operand 3 to operand 4. Use sse_reg_operand
13681 as operand 3 predicate.
13682 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
13683 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
13684 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
13685 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
13686 Copy operand 1 to operand 0.
13687 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
13688 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
13689 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
13691 2021-04-23 Alex Coplan <alex.coplan@arm.com>
13693 PR rtl-optimization/100230
13694 * early-remat.c (early_remat::sort_candidates): Use delete[]
13695 instead of delete for array allocated with new[].
13697 2021-04-23 Richard Biener <rguenther@suse.de>
13699 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
13700 (capture_info::capture_info): Likewise.
13701 (capture_info::walk_match): Likewise.
13702 (expr::gen_transform): Likewise.
13703 (dt_simplify::gen_1): Likewise.
13704 * gimple-match-head.c (maybe_resimplify_conditional_op):
13705 Remove VEC_COND_EXPR special-casing.
13706 (gimple_simplify): Likewise.
13707 * gimple.c (gimple_could_trap_p_1): Adjust.
13708 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
13709 to participate in PRE.
13711 2021-04-23 Richard Biener <rguenther@suse.de>
13713 * cfganal.c (connect_infinite_loops_to_exit): First call
13714 add_noreturn_fake_exit_edges.
13715 * ipa-sra.c (process_scan_results): Do not call the now redundant
13716 add_noreturn_fake_exit_edges.
13717 * predict.c (tree_estimate_probability): Likewise.
13718 (rebuild_frequencies): Likewise.
13719 * store-motion.c (one_store_motion_pass): Likewise.
13721 2021-04-23 Richard Biener <rguenther@suse.de>
13723 PR tree-optimization/100222
13724 * predict.c (pass_profile::execute): Remove redundant call to
13725 mark_irreducible_loops.
13726 (report_predictor_hitrates): Likewise.
13728 2021-04-23 Richard Biener <rguenther@suse.de>
13730 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
13731 valid_gimple_rhs_p by instead gimplifying to one.
13733 2021-04-23 Richard Biener <rguenther@suse.de>
13735 PR tree-optimization/99971
13736 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
13737 Always use TBAA for loads.
13739 2021-04-23 liuhongt <hongtao.liu@intel.com>
13742 * config/i386/i386-options.c (ix86_option_override_internal):
13743 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
13744 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
13745 by target attribute.
13747 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
13749 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
13751 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
13753 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
13755 * config.gcc (powerpc-ibm-aix6.*): Remove.
13756 * config/rs6000/aix61.h: Delete.
13758 2021-04-22 Martin Liska <mliska@suse.cz>
13760 PR testsuite/100159
13761 PR testsuite/100192
13762 * builtins.c (expand_builtin): Fix typos and missing comments.
13763 * dwarf2out.c (gen_subprogram_die): Likewise.
13764 (gen_struct_or_union_type_die): Likewise.
13766 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
13769 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
13770 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
13772 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
13774 * config/i386/darwin.h (TARGET_64BIT): Remove definition
13775 based on TARGET_ISA_64BIT.
13776 (TARGET_64BIT_P): Remove definition based on
13777 TARGET_ISA_64BIT_P().
13779 2021-04-21 Martin Liska <mliska@suse.cz>
13782 2021-04-21 Martin Liska <mliska@suse.cz>
13784 * lto-wrapper.c (cpuset_popcount): Remove.
13785 (init_num_threads): Remove and use hardware_concurrency.
13787 2021-04-21 Martin Liska <mliska@suse.cz>
13790 * main.c (main): Call toplev::finalize in CHECKING_P mode.
13791 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
13792 when incremental LTO linking happens.
13794 2021-04-21 Martin Liska <mliska@suse.cz>
13796 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
13797 makeserver cannot be detected, then use -flto=N fallback.
13799 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
13801 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
13802 default to yes for aarch64-linux-gnu.
13803 * configure: Regenerate.
13805 2021-04-21 Martin Liska <mliska@suse.cz>
13807 * lto-wrapper.c (cpuset_popcount): Remove.
13808 (init_num_threads): Remove and use hardware_concurrency.
13810 2021-04-21 Martin Liska <mliska@suse.cz>
13812 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
13813 which remains to be '(... || 0)' and clang complains about it.
13814 * dwarf2out.c (AT_vms_delta): Declare conditionally.
13815 (add_AT_vms_delta): Likewise.
13816 * tree.c (fld_simplified_type): Use rather more common pattern
13817 for disabling of something (#if 0).
13818 (get_tree_code_name): Likewise.
13819 (verify_type_variant): Likewise.
13821 2021-04-21 Martin Liska <mliska@suse.cz>
13823 * config/i386/i386-expand.c (decide_alignment): Use newly named
13824 macro TARGET_CPU_P.
13825 * config/i386/i386.c (ix86_decompose_address): Likewise.
13826 (ix86_address_cost): Likewise.
13827 (ix86_lea_outperforms): Likewise.
13828 (ix86_avoid_lea_for_addr): Likewise.
13829 (ix86_add_stmt_cost): Likewise.
13830 * config/i386/i386.h (TARGET_*): Remove.
13831 (TARGET_CPU_P): New macro.
13832 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
13833 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
13834 (swap_top_of_ready_list): Likewise.
13835 (ix86_atom_sched_reorder): Likewise.
13836 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
13837 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
13839 2021-04-21 Martin Liska <mliska@suse.cz>
13841 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
13843 (SET_TARGET_NO_SAHF): Likewise.
13844 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
13845 (SET_TARGET_PREFETCH_SSE): Likewise.
13846 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
13847 (SET_TARGET_NO_TUNE): Likewise.
13848 (TARGET_EXPLICIT_NO_80387_P): Likewise.
13849 (SET_TARGET_NO_80387): Likewise.
13851 * config/i386/i386.h (TARGET_*): Remove.
13852 * opth-gen.awk: Generate new used macros.
13854 2021-04-21 Martin Liska <mliska@suse.cz>
13856 * config/i386/i386.h (PTA_*): Remove.
13857 (enum pta_flag): New.
13858 (DEF_PTA): Generate PTA_* values from i386-isa.def.
13859 * config/i386/i386-isa.def: New file.
13861 2021-04-21 Alex Coplan <alex.coplan@arm.com>
13864 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
13865 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
13866 jump table targets.
13868 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
13870 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
13871 x86_64-*-* targets.
13872 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
13874 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
13875 (ix86_handle_option): Handle -mmwait.
13876 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
13877 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
13878 __builtin_ia32_monitor and __builtin_ia32_mwait.
13879 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
13880 (ix86_valid_target_attribute_inner_p): Likewise.
13881 (ix86_option_override_internal): Enable mwait/monitor
13882 instructions for -msse3.
13883 * config/i386/i386.h (TARGET_MWAIT): New.
13884 (TARGET_MWAIT_P): Likewise.
13885 * config/i386/i386.opt: Add -mmwait.
13886 * config/i386/mwaitintrin.h: New file.
13887 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
13888 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
13890 (@sse3_monitor_<mode>): Likewise.
13891 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
13892 * doc/extend.texi: Document mwait target attribute.
13893 * doc/invoke.texi: Document -mmwait.
13895 2021-04-21 Martin Liska <mliska@suse.cz>
13897 * config/i386/i386-options.c (DEF_ENUM): Remove it.
13898 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
13899 * config/i386/stringop.def (DEF_ENUM): Likewise.
13901 2021-04-21 Martin Liska <mliska@suse.cz>
13903 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
13904 of print_generic_expr.
13906 2021-04-21 Jakub Jelinek <jakub@redhat.com>
13908 PR rtl-optimization/100148
13909 * cprop.c (constprop_register): Use next_nondebug_insn instead of
13912 2021-04-21 Martin Liska <mliska@suse.cz>
13915 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
13916 free_dominance_info calls.
13918 2021-04-21 Richard Biener <rguenther@suse.de>
13920 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
13921 parameter (and assume it to be false).
13922 (fold_gimple_assign): Adjust, remove all callers of
13923 maybe_fold_reference calling it with is_lhs true.
13924 (gimple_fold_call): Likewise.
13925 (fold_stmt_1): Likewise.
13927 2021-04-21 Richard Biener <rguenther@suse.de>
13929 * fold-const.c (pedantic_non_lvalue_loc): Remove.
13930 (fold_binary_loc): Adjust.
13931 (fold_ternary_loc): Likewise.
13933 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
13935 PR middle-end/100130
13936 * varasm.c (get_block_for_decl): Make sure that any use of the
13937 retain attribute matches the section's retain flag.
13938 (switch_to_section): Check for retain mismatches even when
13939 changing sections, but do not warn if the given decl is the
13940 section's named.decl.
13941 (output_object_block): Pass the first decl in the block (if any)
13942 to switch_to_section.
13944 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
13946 * config/i386/i386-c.c (ix86_target_macros_internal): Define
13947 __CRC32__ for -mcrc32.
13948 * config/i386/i386-options.c (ix86_option_override_internal):
13949 Enable crc32 instruction for -msse4.2.
13950 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
13952 (sse4_2_crc32di): Likewise.
13953 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
13956 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
13959 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
13962 2021-04-20 Martin Liska <mliska@suse.cz>
13964 * doc/invoke.texi: Fix typo.
13965 * params.opt: Likewise.
13967 2021-04-20 Martin Liska <mliska@suse.cz>
13969 * doc/invoke.texi: Document new param.
13971 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
13973 PR tree-optimization/100081
13974 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
13975 rather than gori_compute_cache.
13976 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
13977 (range_def_chain::m_logical_depth): New member.
13978 (range_def_chain::range_def_chain): Initialize m_logical_depth.
13979 (range_def_chain::get_def_chain): Don't build defchains through more
13980 than LOGICAL_LIMIT logical expressions.
13981 * params.opt (param_ranger_logical_depth): New.
13983 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
13986 * config/arm/arm.c (arm_configure_build_target): Do not strip
13987 extended FPU/SIMD feature bits from the target ISA when -mfpu
13988 is specified (partial revert of r11-8168).
13990 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
13992 * params.opt (-param=openacc-kernels=): Add.
13993 * omp-oacc-kernels-decompose.cc
13994 (pass_omp_oacc_kernels_decompose::gate): Use it.
13995 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
13996 (--param): ... here, 'openacc-kernels'.
13998 2021-04-19 Martin Liska <mliska@suse.cz>
14001 * gengtype.c (finish_root_table): Align function arguments
14002 in between declaration and definition.
14004 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
14006 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
14007 frames larger than the SEH maximum frame size.
14009 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
14011 PR rtl-optimization/99927
14012 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
14013 is dead, just drop it.
14015 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
14018 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
14019 * doc/tm.texi: Regenerate.
14020 * doc/tm.texi.in (D language and ABI): Add @hook for
14021 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
14023 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
14025 * config/darwin-d.c (darwin_d_handle_target_object_format): New
14027 (darwin_d_register_target_info): New function.
14028 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14029 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
14031 (dragonfly_d_register_target_info): New function.
14032 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14033 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
14035 (freebsd_d_register_target_info): New function.
14036 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14037 * config/glibc-d.c (glibc_d_handle_target_object_format): New
14039 (glibc_d_register_target_info): New function.
14040 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14041 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
14043 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
14044 as handler for objectFormat key.
14045 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
14047 (winnt_d_register_target_info): New function.
14048 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14049 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
14051 (netbsd_d_register_target_info): New function.
14052 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14053 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
14055 (openbsd_d_register_target_info): New function.
14056 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14057 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
14058 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
14059 handler for objectFormat key.
14060 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
14062 (rs6000_d_register_target_info): Add
14063 rs6000_d_handle_target_object_format as handler for objectFormat key.
14064 * config/sol2-d.c (solaris_d_handle_target_object_format): New
14066 (solaris_d_register_target_info): New function.
14067 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14069 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14072 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
14073 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
14075 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
14076 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
14077 the old and new alignment after applying MIN/MAX to it is different.
14079 2021-04-16 Tamar Christina <tamar.christina@arm.com>
14082 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
14083 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
14085 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
14087 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
14089 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
14090 this section and its subsections.
14092 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14095 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
14096 define_insn patterns.
14098 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
14100 PR rtl-optimization/98689
14101 * reg-notes.def (UNTYPED_CALL): New note.
14102 * combine.c (distribute_notes): Handle it.
14103 * emit-rtl.c (try_split): Likewise.
14104 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
14105 that calls with the note implicitly set all return value registers.
14106 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
14109 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
14111 PR rtl-optimization/99596
14112 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
14113 register accesses for const calls. Assume that pure functions
14114 can only read from global registers. Ignore cases in which
14115 the stack pointer has been marked global.
14117 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14120 * tree-vect-loop.c (vect_transform_loop): Don't remove just
14121 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
14122 them by their last argument.
14124 2021-04-15 Martin Liska <mliska@suse.cz>
14126 * doc/invoke.texi: Other params don't use it, remove it.
14128 2021-04-15 Richard Biener <rguenther@suse.de>
14130 * gimple-builder.h: Add deprecation note.
14132 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
14135 * attribs.h (restrict_type_identity_attributes_to): Declare.
14136 * attribs.c (restrict_type_identity_attributes_to): New function.
14138 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
14141 * attribs.h (affects_type_identity_attributes): Declare.
14142 * attribs.c (remove_attributes_matching): New function.
14143 (affects_type_identity_attributes): Likewise.
14145 2021-04-15 Jakub Jelinek <jakub@redhat.com>
14148 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
14149 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
14150 ZERO_EXTEND, SIGN_EXTEND or AND.
14152 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14154 PR rtl-optimization/99929
14155 * rtl.h (same_vector_encodings_p): New function.
14156 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
14157 * cselib.c (rtx_equal_for_cselib_1): Likewise.
14158 * jump.c (rtx_renumbered_equal_p): Likewise.
14159 * lra-constraints.c (operands_match_p): Likewise.
14160 * reload.c (operands_match_p): Likewise.
14161 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
14163 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14165 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
14166 more information about variable-length CONST_VECTORs.
14168 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
14170 PR rtl-optimization/100066
14171 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
14172 ordered modes when choosing splitting mode for hard reg.
14174 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14177 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
14179 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
14181 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
14183 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
14184 for mask operand types.
14185 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
14186 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
14188 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
14190 * config/s390/s390.c (s390_const_operand_ok): Check the new
14191 operand types and generate a list of valid values.
14193 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14195 * doc/tm.texi: Regenerate.
14196 * doc/tm.texi.in (D language and ABI): Add @hook for
14197 TARGET_D_REGISTER_OS_TARGET_INFO.
14199 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14201 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
14203 (aarch64_d_register_target_info): New function.
14204 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
14206 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
14208 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
14209 (arm_d_register_target_info): New function.
14210 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
14211 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14212 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
14213 (ix86_d_register_target_info): New function.
14214 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
14215 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14216 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
14217 (mips_d_register_target_info): New function.
14218 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
14219 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14220 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
14221 (pa_d_register_target_info): New function.
14222 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
14223 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14224 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
14226 (riscv_d_register_target_info): New function.
14227 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
14228 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14229 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
14231 (rs6000_d_register_target_info): New function.
14232 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
14234 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14235 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
14236 (s390_d_register_target_info): New function.
14237 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
14238 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14239 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
14241 (sparc_d_register_target_info): New function.
14242 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
14243 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14244 * doc/tm.texi: Regenerate.
14245 * doc/tm.texi.in (D language and ABI): Add @hook for
14246 TARGET_D_REGISTER_CPU_TARGET_INFO.
14248 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14250 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
14251 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
14252 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
14253 * doc/tm.texi: Regenerate.
14254 * doc/tm.texi.in (D language and ABI): Add @hook for
14255 TARGET_D_HAS_STDCALL_CONVENTION.
14257 2021-04-14 Richard Biener <rguenther@suse.de>
14259 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
14260 VEC_COND_EXPRs have a gimple_val condition.
14261 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
14262 can no longer have a GENERIC condition.
14264 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
14267 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
14268 from the isa_delta when -mfpu has been used.
14269 (arm_options_perform_arch_sanity_checks): It's the architecture that
14270 lacks an FPU not the processor.
14272 2021-04-13 Richard Biener <rguenther@suse.de>
14274 PR tree-optimization/100053
14275 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
14276 not use optimistic dominance queries for backedges to validate
14278 (dominated_by_p_w_unex): Add parameter to ignore executable
14279 state on backedges.
14280 (rpo_elim::eliminate_avail): Adjust.
14282 2021-04-13 Jakub Jelinek <jakub@redhat.com>
14285 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
14286 *aarch64_bfxilsi_extrdi): New define_insn patterns.
14288 2021-04-13 Jakub Jelinek <jakub@redhat.com>
14291 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
14292 outermode, return NULL if the result doesn't encode back to the
14293 original byte sequence.
14294 (simplify_gen_subreg): Don't create SUBREGs from constants to
14295 MODE_COMPOSITE_P outermode.
14297 2021-04-12 Jakub Jelinek <jakub@redhat.com>
14299 PR rtl-optimization/99905
14300 * combine.c (expand_compound_operation): If pos + len > modewidth,
14301 perform the right shift by pos in inner_mode and then convert to mode,
14302 instead of trying to simplify a shift of rtx with inner_mode by pos
14303 as if it was a shift in mode.
14305 2021-04-12 Jakub Jelinek <jakub@redhat.com>
14308 * combine.c (simplify_and_const_int_1): Don't optimize varop
14309 away if it has side-effects.
14311 2021-04-12 Martin Liska <mliska@suse.cz>
14313 * doc/extend.texi: Escape @smallexample content.
14315 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
14317 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
14318 alternative in order to load a DFP zero.
14320 2021-04-12 Martin Liska <mliska@suse.cz>
14322 * doc/extend.texi: Be more precise in documentation
14323 of symver attribute.
14325 2021-04-12 Martin Liska <mliska@suse.cz>
14328 * gimplify.c (gimplify_expr): Right now, we unpoison all
14329 variables before a goto <dest>. We should not do it if we are
14332 2021-04-12 Cui,Lili <lili.cui@intel.com>
14334 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
14336 * common/config/i386/i386-common.c (processor_names): Add
14338 (processor_alias_table): Add rocketlake.
14339 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
14340 INTEL_COREI7_ROCKETLAKE.
14341 * config.gcc: Add -march=rocketlake.
14342 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
14344 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
14345 (processor_cost_table): Add rocketlake cost.
14346 * config/i386/i386.h (ix86_size_cost) : Define
14348 (processor_type) : Add PROCESSOR_ROCKETLAKE.
14349 (PTA_ROCKETLAKE): Ditto.
14350 * doc/extend.texi: Add rocketlake.
14351 * doc/invoke.texi: Add rocketlake.
14353 2021-04-12 Cui,Lili <lili.cui@intel.com>
14355 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
14356 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
14357 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
14358 * doc/invoke.texi: Change alderlake ISA list.
14360 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
14362 PR middle-end/98088
14363 * omp-expand.c (expand_oacc_collapse_init): Update condition in
14366 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
14369 * config/i386/serializeintrin.h (_serialize): Defined as macro.
14371 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14374 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
14375 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
14377 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14379 PR middle-end/99989
14380 * gimple-ssa-warn-alloca.c
14381 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
14382 0 with integer precision unconditionally.
14384 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14386 PR rtl-optimization/98601
14387 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
14388 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
14389 unaligned_mems handle VOIDmode like BLKmode.
14391 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
14394 * tree.c (free_lang_data_in_decl): Do not release body of
14395 declare_variant_alt.
14397 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
14399 * config/aarch64/aarch64.c (aarch64_option_restore): If the
14400 architecture was specified explicitly and the tuning wasn't,
14401 tune for the architecture rather than the configured default CPU.
14403 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
14405 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
14406 as the temporary register.
14408 2021-04-09 Martin Liska <mliska@suse.cz>
14410 * doc/extend.texi: Move non-target attributes on the top level.
14412 2021-04-09 Martin Liska <mliska@suse.cz>
14414 * doc/invoke.texi: Document minimum and maximum value of the
14415 argument for both supported compression algorithms.
14417 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
14419 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
14420 TLS BSS before TLS data.
14421 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
14423 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
14425 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
14427 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
14429 * match.pd: Extend vec_cond folds to handle shifts.
14431 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
14433 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
14436 2021-04-08 Alex Coplan <alex.coplan@arm.com>
14439 * config/arm/iterators.md (MVE_vecs): New.
14440 (V_elem): Also handle V2DF.
14441 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
14442 (*mve_vdup<mode>): ... this. Remove second alternative since
14443 vec_duplicate of const_int is not canonical RTL, and we don't
14444 want to match symbol_refs.
14445 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
14447 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
14449 * fold-const.c (fold_single_bit_test): Fix typo.
14450 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
14453 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
14455 PR tree-optimization/97513
14456 * tree-vect-slp.c (vect_add_slp_permutation): New function,
14458 (vectorizable_slp_permutation): ...here. Detect cases in which
14459 all VEC_PERM_EXPRs are guaranteed to have the same stepped
14460 permute vector and only generate one permute vector for that case.
14461 Extend that case to handle variable-length vectors.
14463 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
14465 PR tree-optimization/99873
14466 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
14467 (vect_build_slp_instance): Don't split store groups that could
14468 use IFN_STORE_LANES.
14470 2021-04-07 Jakub Jelinek <jakub@redhat.com>
14473 * varasm.c (output_constant_pool_contents): Don't strip name encoding
14474 from XSTR (desc->sym, 0) or from label before passing those to
14477 2021-04-07 Richard Biener <rguenther@suse.de>
14479 PR tree-optimization/99954
14480 * tree-loop-distribution.c: Include tree-affine.h.
14481 (generate_memcpy_builtin): Try using tree-affine to prove
14483 (loop_distribution::classify_builtin_ldst): Always classify
14486 2021-04-07 Richard Biener <rguenther@suse.de>
14488 PR tree-optimization/99947
14489 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
14490 steps vector to avoid pushing elements from the reallocated
14493 2021-04-07 Richard Biener <rguenther@suse.de>
14495 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
14496 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
14498 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
14500 (debug_vn_reference_ops): New.
14502 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
14504 PR tree-optimization/98736
14505 * tree-loop-distribution.c
14506 * (loop_distribution::bb_top_order_init):
14507 Compute RPO with programing order preserved by calling function
14508 rev_post_order_and_mark_dfs_back_seme.
14510 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
14513 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
14514 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
14516 (process_bb_lives): Don't update biggest mode of hard reg for
14517 implicit in multi-register group. Use the new functions for
14518 updating dead_set and unused_set by register notes.
14520 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
14522 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
14525 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
14527 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
14528 (skylake_memset): Likewise.
14529 (skylake_cost): Change CLEAR_RATIO to 17.
14530 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
14531 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
14532 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
14534 2021-04-06 Richard Biener <rguenther@suse.de>
14536 PR tree-optimization/99880
14537 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
14538 set vectorized defs of relevant PHIs.
14540 2021-04-06 Richard Biener <rguenther@suse.de>
14542 PR tree-optimization/99924
14543 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
14544 nodes w/o scalar stmts as visited.
14546 2021-04-06 Alex Coplan <alex.coplan@arm.com>
14549 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
14550 PCS for [su]fix_optab.
14552 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
14554 * config/darwin.c (machopic_legitimize_pic_address): Check
14555 that the current pic register is one of the hard reg set
14556 before setting liveness.
14558 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
14560 * config/darwin.c (machopic_legitimize_pic_address): Fix
14561 whitespace, remove unused code.
14563 2021-04-03 Jakub Jelinek <jakub@redhat.com>
14565 PR tree-optimization/99882
14566 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
14569 2021-04-03 Jakub Jelinek <jakub@redhat.com>
14571 PR rtl-optimization/99863
14572 * dse.c (replace_read): Drop regs_live argument. Instead of
14573 regs_live, use store_insn->fixed_regs_live if non-NULL,
14574 otherwise punt if insns sequence clobbers or sets any hard
14577 2021-04-03 Jakub Jelinek <jakub@redhat.com>
14580 * targhooks.h (default_print_patchable_function_entry_1): Declare.
14581 * targhooks.c (default_print_patchable_function_entry_1): New function,
14582 copied from default_print_patchable_function_entry with an added flags
14584 (default_print_patchable_function_entry): Rewritten into a small
14585 wrapper around default_print_patchable_function_entry_1.
14586 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
14588 (rs6000_print_patchable_function_entry): New function.
14590 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
14592 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
14594 2021-04-01 Jason Merrill <jason@redhat.com>
14597 * common.opt: Document v15 and v16.
14599 2021-04-01 Richard Biener <rguenther@suse.de>
14601 PR tree-optimization/99863
14602 * gimplify.c (gimplify_init_constructor): Recompute vector
14605 2021-04-01 Jakub Jelinek <jakub@redhat.com>
14607 * doc/extend.texi (symver attribute): Fix up syntax errors
14610 2021-04-01 Jakub Jelinek <jakub@redhat.com>
14612 PR tree-optimization/96573
14613 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
14614 also pointer types.
14616 2021-04-01 Richard Biener <rguenther@suse.de>
14618 PR tree-optimization/99856
14619 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
14620 precision to vector element precision.
14622 2021-04-01 Martin Jambor <mjambor@suse.cz>
14624 PR tree-optimization/97009
14625 * tree-sra.c (access_or_its_child_written): New function.
14626 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
14629 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
14632 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
14634 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
14637 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
14638 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
14639 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
14640 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
14641 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
14642 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
14644 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
14645 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
14646 (define_attr "prefixed"): Update initializer.
14648 2021-03-31 Jakub Jelinek <jakub@redhat.com>
14651 * dwarf2out.c (debug_ranges_dwo_section): New variable.
14652 (DW_RANGES_IDX_SKELETON): Define.
14653 (struct dw_ranges): Add begin_entry and end_entry members.
14654 (DEBUG_DWO_RNGLISTS_SECTION): Define.
14655 (add_ranges_num): Adjust r initializer for addition of *_entry
14657 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
14658 set idx to DW_RANGES_IDX_SKELETON.
14659 (use_distinct_base_address_for_range): New function.
14660 (index_rnglists): Don't set r->idx if it is equal to
14661 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
14662 r->end_entry for -gsplit-dwarf if those will be needed by
14664 (output_rnglists): Add DWO argument. If true, switch to
14665 debug_ranges_dwo_section rather than debug_ranges_section.
14666 Adjust l1/l2 label indexes. Only output the offset table when
14667 dwo is true and don't include in there the skeleton range
14668 entry if present. For -gsplit-dwarf, skip ranges that belong
14669 to the other rnglists section. Change return type from void
14670 to bool and return true if there are any range entries for
14671 the other section. For dwarf_split_debug_info use
14672 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
14673 entries instead of DW_RLE_start_end, DW_RLE_start_length and
14674 DW_RLE_base_address. Use use_distinct_base_address_for_range.
14675 (init_sections_and_labels): Initialize debug_ranges_dwo_section
14676 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
14677 and range_base_label indexes.
14678 (dwarf2out_finish): Call index_rnglists earlier before finalizing
14679 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
14680 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
14681 with different dwo arguments.
14682 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
14684 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
14686 PR tree-optimization/98268
14687 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
14688 recompute_tree_invariant_for_addr_expr after successfully
14689 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
14691 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
14693 PR tree-optimization/99726
14694 * tree-data-ref.c (create_intersect_range_checks_index): Bail
14695 out if there is more than one access function SCEV for the loop
14698 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
14700 PR rtl-optimization/97141
14701 PR rtl-optimization/98726
14702 * emit-rtl.c (valid_for_const_vector_p): Return true for
14704 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
14705 poly_wide_int instead of a wide_int.
14706 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
14708 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
14709 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
14710 false for CONST_VECTORs that cannot be forced to memory.
14711 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
14712 is too complex to force to memory, build it up from individual
14715 2021-03-31 Jan Hubicka <jh@suse.cz>
14718 * cgraph.c (cgraph_node::release_body): Fix overactive check.
14720 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
14723 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
14726 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
14728 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
14729 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
14731 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
14732 "rep movsb/stosb" only for known sizes.
14733 * config/i386/i386-options.c (processor_cost_table): Use Ice
14734 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
14735 Rapids and Alder Lake.
14736 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
14737 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
14738 (icelake_memset): Likewise.
14739 (icelake_cost): Likewise.
14740 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
14743 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
14746 * config/aarch64/aarch64.c
14747 (aarch64_vectorize_preferred_vector_alignment): Query the size
14748 of the provided SVE vector; do not assume that all SVE vectors
14749 have the same size.
14751 2021-03-31 Jan Hubicka <jh@suse.cz>
14754 * cgraph.c (cgraph_node::release_body): Remove all callers and
14756 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
14757 * cgraphunit.c (cgraph_node::expand): And here.
14759 2021-03-31 Martin Liska <mliska@suse.cz>
14761 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
14762 and one negated condition.
14764 2021-03-31 Jakub Jelinek <jakub@redhat.com>
14765 Richard Sandiford <richard.sandiford@arm.com>
14768 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
14769 constraints on operands[2] and similarly 0 and rk constraints
14770 on operands[1] corresponding to that.
14772 2021-03-31 Jakub Jelinek <jakub@redhat.com>
14775 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
14776 linker doesn't support DWARF sections new in DWARF5.
14777 * config/i386/i386-options.c (ix86_option_override_internal): Default
14778 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
14780 * config.in: Regenerated.
14781 * configure: Regenerated.
14783 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14786 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
14787 available issue_info before using it.
14789 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14792 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
14795 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
14798 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
14799 (altivec_lvsl_reg_<mode>): ... this.
14800 (altivec_lvsr_reg): Change to ...
14801 (altivec_lvsr_reg_<mode>): ... this.
14802 * config/rs6000/predicates.md (vec_set_index_operand): New.
14803 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14804 Enable 32bit variable vec_insert for all TARGET_VSX.
14805 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
14806 Enable 32bit variable vec_insert for p9 and above.
14807 (rs6000_expand_vector_set_var_p8): Rename to ...
14808 (rs6000_expand_vector_set_var_p7): ... this.
14809 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
14811 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
14812 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
14813 gen_altivec_lvsr_reg_di.
14815 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
14818 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
14819 (__rdtscp): Likewise.
14821 2021-03-30 Tamar Christina <tamar.christina@arm.com>
14823 PR tree-optimization/99825
14824 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
14825 Reject non-mult 2 lanes.
14827 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
14830 * config/arm/arm.c (arm_file_start): Fix emission of
14831 Tag_ABI_VFP_args attribute.
14833 2021-03-30 Richard Biener <rguenther@suse.de>
14835 PR tree-optimization/99824
14836 * stor-layout.c (set_min_and_max_values_for_integral_type):
14837 Assert the precision is within the bounds of
14838 WIDE_INT_MAX_PRECISION.
14839 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
14840 the outermost component ref only to lower the access size
14841 and initialize that from the access type.
14843 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
14846 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
14847 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
14849 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
14851 * config/aarch64/aarch64.md
14852 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
14853 attribute to disambiguate between SIMD and FP variants of the
14856 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
14858 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
14859 (analyze_ssa_name_flags): Fix typo in comment.
14861 2021-03-29 Alex Coplan <alex.coplan@arm.com>
14864 * config/aarch64/aarch64-sve-builtins.cc
14865 (function_builder::add_function): Add placeholder_p argument, use
14866 placeholder decls if this is set.
14867 (function_builder::add_unique_function): Instead of conditionally adding
14868 direct overloads, unconditionally add either a direct overload or a
14870 (function_builder::add_overloaded_function): Set placeholder_p if we're
14871 using C++ overloads. Use the obstack for string storage instead
14872 of relying on the tree nodes.
14873 (function_builder::add_overloaded_functions): Don't return early for
14874 m_direct_overloads: we need to add placeholders.
14875 * config/aarch64/aarch64-sve-builtins.h
14876 (function_builder::add_function): Add placeholder_p argument.
14878 2021-03-29 Richard Biener <rguenther@suse.de>
14880 PR tree-optimization/99807
14881 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
14882 assert below VEC_PERM handling.
14884 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14887 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
14888 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
14889 matching const_int 0.
14890 (move_lo_quad_internal_be_<mode>): Likewise.
14891 (move_lo_quad_<mode>): Update for the above.
14892 * config/aarch64/iterators.md (VQ_2E): Delete.
14894 2021-03-29 Jakub Jelinek <jakub@redhat.com>
14896 PR tree-optimization/99777
14897 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
14898 types other than scalar integral types.
14900 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
14902 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
14903 XCOFF TLS reloc decorations.
14905 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
14907 * doc/analyzer.texi (Analyzer Internals): Update link to
14908 "A Memory Model for Static Analysis of C Programs".
14910 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
14912 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
14913 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
14915 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
14916 (rs6000_special_round_type_align): Recursively check innermost first
14919 2021-03-26 Jakub Jelinek <jakub@redhat.com>
14922 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
14923 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
14924 assignment with drap_reg active, queue reg save for hfp with offset 0
14925 and flush queued reg saves. When handling a push with rule18,
14926 defer queueing reg save for hfp and just assert the offset is 0.
14927 (scan_trace): Assert that fde->rule18 is false.
14929 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
14932 * ira-costs.c (record_reg_classes): Put case with
14933 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
14934 * ira.c (ira_setup_alts): Ditto.
14935 * lra-constraints.c (process_alt_operands): Ditto.
14936 * recog.c (asm_operand_ok): Ditto.
14937 * reload.c (find_reloads): Ditto.
14939 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14941 * config/aarch64/aarch64-protos.h
14942 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
14943 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
14944 * config/aarch64/aarch64.c (generic_addrcost_table): Update
14945 accordingly, using the same costs as for post_modify.
14946 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
14947 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
14948 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
14949 (a64fx_addrcost_table): Likewise.
14950 (neoversev1_addrcost_table): New.
14951 (neoversev1_tunings): Use neoversev1_addrcost_table.
14952 (aarch64_address_cost): Use the new post_modify costs for CImode
14955 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14957 * config/aarch64/aarch64.opt
14958 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
14959 * doc/invoke.texi: Document it.
14960 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
14961 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
14962 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
14963 (aarch64_vec_issue_info): New structures.
14964 (cpu_vector_cost): Write comments above the variables rather
14966 (cpu_vector_cost::issue_info): New member variable.
14967 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
14968 and tree-ssa-loop-niter.h.
14969 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
14970 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
14971 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
14972 (thunderx3t110_vector_cost): Initialize issue_info to null.
14973 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
14974 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
14975 (neoversev1_vector_cost): Use them.
14976 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
14977 (aarch64_vector_costs::saw_sve_only_op): New member variable.
14978 (aarch64_vector_costs::num_vector_iterations): Likewise.
14979 (aarch64_vector_costs::scalar_ops): Likewise.
14980 (aarch64_vector_costs::advsimd_ops): Likewise.
14981 (aarch64_vector_costs::sve_ops): Likewise.
14982 (aarch64_vector_costs::seen_loads): Likewise.
14983 (aarch64_simd_vec_costs_for_flags): New function.
14984 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
14985 Count the number of predicate operations required by SVE WHILE
14987 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
14988 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
14989 (aarch64_count_ops): Likewise.
14990 (aarch64_add_stmt_cost): Record whether see an SVE operation
14991 that cannot currently be implementing using Advanced SIMD.
14992 Record issue information about the scalar, Advanced SIMD
14993 and (where relevant) SVE versions of a loop.
14994 (aarch64_vec_op_count::dump): New function.
14995 (aarch64_sve_op_count::dump): Likewise.
14996 (aarch64_estimate_min_cycles_per_iter): Likewise.
14997 (aarch64_adjust_body_cost): If issue information is available,
14998 try to compare the issue rates of the various loop implementations
14999 and increase or decrease the vector body cost accordingly.
15001 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15003 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
15004 Assume a zero cost for induction phis.
15006 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15008 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
15010 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
15011 vector comparisons.
15013 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15015 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
15017 (aarch64_add_stmt_cost): Call it.
15019 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15021 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
15022 New tuning parameter.
15023 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
15024 (aarch64_estimated_sve_vq): New function.
15025 (aarch64_vector_costs::analyzed_vinfo): New member variable.
15026 (aarch64_vector_costs::is_loop): Likewise.
15027 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
15028 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
15029 (aarch64_record_potential_advsimd_unrolling): New function.
15030 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
15031 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
15032 aarch64_analyze_bb_vinfo on the first use of a costs structure.
15033 Detect whether we're vectorizing a loop for SVE that might be
15034 completely unrolled if it used Advanced SIMD instead.
15035 (aarch64_adjust_body_cost_for_latency): New function.
15036 (aarch64_finish_cost): Call it.
15038 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15040 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
15041 (aarch64_init_cost): New function.
15042 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
15043 the default unsigned[3].
15044 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
15045 (TARGET_VECTORIZE_INIT_COST): Override.
15046 (TARGET_VECTORIZE_FINISH_COST): Likewise.
15047 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
15049 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15051 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
15052 (neoversev1_sve_vector_cost): New cost structures.
15053 (neoversev1_vector_cost): Likewise.
15054 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
15056 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15058 * config/aarch64/aarch64-protos.h
15059 (sve_vec_cost::scatter_store_elt_cost): New member variable.
15060 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
15061 accordingly, taking the cost from the cost of a scalar_store.
15062 (a64fx_sve_vector_cost): Likewise.
15063 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
15065 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15067 * config/aarch64/aarch64-protos.h
15068 (simd_vec_cost::store_elt_extra_cost): New member variable.
15069 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15070 accordingly, using the vec_to_scalar cost for the new field.
15071 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15072 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15073 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15074 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15075 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15076 (thunderx3t110_advsimd_vector_cost): Likewise.
15077 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
15079 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15081 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
15082 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
15083 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
15084 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15085 accordingly, using zero for the new costs.
15086 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15087 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15088 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15089 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15090 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15091 (thunderx3t110_advsimd_vector_cost): Likewise.
15092 (aarch64_ld234_st234_vectors): New function.
15093 (aarch64_adjust_stmt_cost): Likewise.
15094 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
15095 the new vector costs.
15097 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15099 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
15100 derived class of simd_vec_cost. Add information about CLAST[AB]
15101 and FADDA instructions.
15102 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
15103 accordingly, using the vec_to_scalar costs for the new fields.
15104 (a64fx_sve_vector_cost): Likewise.
15105 (aarch64_reduc_type): New function.
15106 (aarch64_sve_in_loop_reduction_latency): Likewise.
15107 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
15108 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
15109 that occur in the loop body.
15110 (aarch64_add_stmt_cost): Update call accordingly.
15112 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15114 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
15116 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
15117 above the fields rather than to the right.
15118 (simd_vec_cost::reduc_i8_cost): New member variable.
15119 (simd_vec_cost::reduc_i16_cost): Likewise.
15120 (simd_vec_cost::reduc_i32_cost): Likewise.
15121 (simd_vec_cost::reduc_i64_cost): Likewise.
15122 (simd_vec_cost::reduc_f16_cost): Likewise.
15123 (simd_vec_cost::reduc_f32_cost): Likewise.
15124 (simd_vec_cost::reduc_f64_cost): Likewise.
15125 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15126 accordingly, using the vec_to_scalar_cost for the new fields.
15127 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15128 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15129 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15130 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15131 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15132 (thunderx3t110_advsimd_vector_cost): Likewise.
15133 (aarch64_use_new_vector_costs_p): New function.
15134 (aarch64_simd_vec_costs): New function, split out from...
15135 (aarch64_builtin_vectorization_cost): ...here.
15136 (aarch64_is_reduction): New function.
15137 (aarch64_detect_vector_stmt_subtype): Likewise.
15138 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
15139 using the new vector costs.
15141 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15144 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
15145 TLS declarations as public.
15147 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15149 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
15150 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
15151 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
15152 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
15153 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
15154 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
15155 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
15156 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
15157 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
15159 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15162 * config.gcc (*-*-cygwin*): Add winnt-d.o
15163 (*-*-mingw*): Likewise.
15164 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
15165 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
15166 * config/i386/t-cygming: Add winnt-d.o.
15167 * config/i386/winnt-d.c: New file.
15169 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15171 * config/freebsd-d.c: Include memmodel.h.
15173 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15176 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
15177 * config/t-openbsd: Add openbsd-d.o.
15178 * config/openbsd-d.c: New file.
15180 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
15182 PR tree-optimization/96974
15183 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
15184 with graceful exit.
15186 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15189 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15193 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
15194 always_inline in system headers.
15196 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
15198 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
15200 2021-03-25 Jakub Jelinek <jakub@redhat.com>
15203 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
15204 * fold-const.c (operand_compare::operand_equal_p): Don't compare
15205 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
15207 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15211 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
15212 always_inline in system headers.
15214 2021-03-25 Richard Biener <rguenther@suse.de>
15216 PR tree-optimization/99746
15217 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
15218 the scalar stmt as patterned. Instead set up required things
15221 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
15223 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
15226 2021-03-24 Martin Liska <mliska@suse.cz>
15229 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
15231 * config/i386/i386-options.c (ix86_option_override_internal):
15232 Add run-time assert.
15234 2021-03-24 Martin Jambor <mjambor@suse.cz>
15237 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
15238 parameters with unknown type.
15239 (ipacp_value_safe_for_type): New function.
15240 (propagate_vals_across_arith_jfunc): Verify that the constant type
15241 can be used for a type of the formal parameter.
15242 (propagate_vals_across_ancestor): Likewise.
15243 (propagate_scalar_across_jump_function): Likewise. Pass the type
15244 also to propagate_vals_across_ancestor.
15246 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
15249 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
15251 (movmisalign<mode>_mve_load): Likewise.
15253 2021-03-24 Jakub Jelinek <jakub@redhat.com>
15256 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
15257 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
15259 2021-03-24 Alexandre Oliva <oliva@adacore.com>
15261 * doc/sourcebuild.texi (sysconf): New effective target.
15263 2021-03-24 Alexandre Oliva <oliva@adacore.com>
15265 * config/i386/predicates.md (reg_or_const_vec_operand): New.
15266 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
15267 the now *-prefixed insn_and_split, turn the splitter const vec
15268 into an input for the insn, making it an ignored immediate for
15269 non-split cases, and loaded into the scratch register
15272 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
15275 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
15276 Use define_relaxed_memory_constraint for them.
15278 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
15281 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
15282 colon to the diagnostic message.
15284 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
15286 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
15288 (try_fwprop_subst_note): Use set_info instead of insn_info.
15289 (try_fwprop_subst_pattern): Likewise.
15290 (try_fwprop_subst_notes): Likewise.
15291 (try_fwprop_subst): Likewise.
15292 (forward_propagate_subreg): Likewise.
15293 (forward_propagate_and_simplify): Likewise.
15294 (forward_propagate_into): Likewise.
15295 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
15297 (set_info::single_nondebug_insn_use): Likewise.
15298 (set_info::single_phi_use): Likewise.
15299 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
15301 (set_info::single_nondebug_insn_use): Likewise.
15302 (set_info::single_phi_use): Likewise.
15304 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
15306 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
15308 2021-03-23 Jakub Jelinek <jakub@redhat.com>
15311 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
15312 expand_mult to perform an unsigned rather than a signed
15315 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
15318 * config/i386/cpuid.h (__cpuid): Add __volatile__.
15319 (__cpuid_count): Likewise.
15321 2021-03-23 Richard Biener <rguenther@suse.de>
15323 PR tree-optimization/99721
15324 * tree-vect-slp.c (vect_slp_analyze_node_operations):
15325 Make sure we can schedule the node.
15327 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15329 * config/riscv/riscv.c (riscv_subword): Take endianness into
15330 account when calculating the byte offset.
15332 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15334 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
15335 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
15336 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
15337 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
15338 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
15339 new predicate "subreg_lowpart_operator"
15341 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15343 * config/riscv/riscv.c (riscv_swap_instruction): New function
15344 to byteswap an SImode rtx containing an instruction.
15345 (riscv_trampoline_init): Byteswap the generated instructions
15348 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15350 * common/config/riscv/riscv-common.c
15351 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
15352 * config.gcc (riscv32be-*, riscv64be-*): Set
15353 TARGET_BIG_ENDIAN_DEFAULT to 1.
15354 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
15355 depending on default endianness.
15356 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
15357 * config/riscv/linux.h (LINK_SPEC): Likewise.
15358 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
15359 default endianness.
15360 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
15362 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15364 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
15365 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
15366 * config/riscv/linux.h (LINK_SPEC): Likewise.
15367 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
15369 (BYTES_BIG_ENDIAN): Handle big endian.
15370 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
15371 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
15373 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
15375 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
15377 * regcprop.c (find_oldest_value_reg): Ask target whether
15378 different mode is fine for replacement register.
15380 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
15382 PR tree-optimization/99296
15383 * value-range.cc (irange::irange_set_1bit_anti_range): New.
15384 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
15385 * value-range.h (irange::irange_set_1bit_anti_range): New.
15387 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
15390 * config/aarch64/constraints.md (UtQ): Use
15391 define_relaxed_memory_constraint for it.
15392 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
15393 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15394 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
15395 (have_relaxed_memory_constraints): New static var.
15396 (relaxed_memory_start, relaxed_memory_end): Ditto.
15397 (add_constraint): Add arg is_relaxed_memory. Check name for
15398 relaxed memory. Set up is_relaxed_memory in constraint_data and
15399 have_relaxed_memory_constraints. Adjust calls.
15400 (choose_enum_order): Process relaxed memory.
15401 (write_tm_preds_h): Ditto.
15402 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15403 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15404 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
15405 * ira-lives.c (single_reg_class): Use
15406 insn_extra_relaxed_memory_constraint.
15407 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
15408 * lra-constraints.c (valid_address_p): Use
15409 insn_extra_relaxed_memory_constraint instead of other memory
15411 (process_alt_operands): Process CT_RELAXED_MEMORY.
15412 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
15413 * recog.c (asm_operand_ok, preprocess_constraints): Process
15415 * reload.c (find_reloads): Ditto.
15416 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
15417 * stmt.c (parse_input_constraint): Use
15418 insn_extra_relaxed_memory_constraint.
15420 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
15423 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
15426 2021-03-22 Alex Coplan <alex.coplan@arm.com>
15429 * config/arm/arm-protos.h (neon_make_constant): Add generate
15430 argument to guard emitting insns, default to true.
15431 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
15432 CONST_VECTORs which neon_make_constant can't handle.
15433 (neon_vdup_constant): Add generate argument, avoid emitting
15434 insns if it's not set.
15435 (neon_make_constant): Plumb new generate argument through.
15436 * config/arm/constraints.md (Ui): New. Use it...
15437 * config/arm/mve.md (*mve_mov<mode>): ... here.
15438 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
15439 synthesize constants.
15441 2021-03-22 Richard Biener <rguenther@suse.de>
15443 * debug.h: Add deprecation warning.
15445 2021-03-22 Richard Biener <rguenther@suse.de>
15447 PR tree-optimization/99694
15448 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
15451 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
15454 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
15455 after type checking.
15457 2021-03-22 Jakub Jelinek <jakub@redhat.com>
15461 * dwarf2out.c (get_full_len): Use get_precision rather than
15463 (add_const_value_attribute): Make sure add_AT_wide argument has
15464 precision prec rather than some very wide one.
15466 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
15468 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
15469 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
15470 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
15471 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
15472 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
15473 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
15474 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
15475 *fix_trunc<mode>si2_internal): Fix empty split condition.
15476 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
15477 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
15478 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
15479 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
15481 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
15484 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
15485 Convert idx to DImode.
15486 (rs6000_expand_vector_set_var_p8): Likewise.
15488 2021-03-21 Jakub Jelinek <jakub@redhat.com>
15491 * dwarf2out.c (insert_float): Change return type from void to
15492 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
15493 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
15496 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
15499 * config/i386/i386.c (construct_container): Check cfun != NULL
15500 before accessing silent_p.
15502 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
15504 * asan.c: Fix typos in comments.
15506 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
15508 PR rtl-optimization/99680
15509 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
15510 (process_address_1): Check empty constraint before using
15513 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
15515 * config/rs6000/rs6000.c (power10_cost): New.
15516 (rs6000_option_override_internal): Set Power10 costs.
15517 (rs6000_issue_rate): Set Power10 issue rate.
15518 * config/rs6000/power10.md: Rewrite for Power10.
15520 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
15523 * lra-constraints.c (process_address_1): Don't use unknown
15524 constraint for address constraint.
15526 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
15529 * config.gcc (powerpc-*-darwin8): Delete the reference to
15530 the now removed darwin8.h.
15532 2021-03-19 Olivier Hainque <hainque@adacore.com>
15535 * config/vxworksae.h (VX_CPU_PREFIX): Define.
15537 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
15539 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
15541 2021-03-19 Tamar Christina <tamar.christina@arm.com>
15543 PR tree-optimization/99656
15544 * tree-vect-slp-patterns.c (linear_loads_p,
15545 complex_add_pattern::matches, is_eq_or_top,
15546 vect_validate_multiplication, complex_mul_pattern::matches,
15547 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
15548 * tree-vectorizer.h: (complex_load_perm_t): Removed.
15549 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
15550 complex_load_perm_t.
15552 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
15555 * config/i386/i386-options.c (ix86_init_machine_status): Set
15557 * config/i386/i386.c (init_cumulative_args): Set silent_p to
15559 (construct_container): Return early for return and argument
15560 errors if silent_p is true.
15561 * config/i386/i386.h (machine_function): Add silent_p.
15563 2021-03-19 Jakub Jelinek <jakub@redhat.com>
15566 * config/arm/constraints.md (Ds): New constraint.
15567 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
15568 constraint instead of w,Dm.
15570 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
15572 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
15575 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
15577 PR middle-end/99641
15578 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
15579 array type, do the computation of the current position in sizetype.
15581 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
15584 * lra-constraints.c (process_address_1): Use lookup_constraint
15585 only for a single constraint.
15587 2021-03-18 Martin Sebor <msebor@redhat.com>
15589 PR middle-end/99502
15590 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
15591 (inbounds_memaccess_p): ...to this. Check the ending offset of
15592 the accessed member.
15594 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
15596 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
15597 %> quote markers to error messages.
15598 (gcn_goacc_validate_dims): Likewise.
15599 (gcn_conditional_register_usage): Remove exclaimation mark from error
15601 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
15603 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
15605 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
15608 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
15609 Kito Cheng <kito.cheng@sifive.com>
15611 * config/riscv/riscv.c (riscv_block_move_straight): Change type
15612 to unsigned HOST_WIDE_INT for parameter and local variable with
15613 HOST_WIDE_INT type.
15614 (riscv_adjust_block_mem): Ditto.
15615 (riscv_block_move_loop): Ditto.
15616 (riscv_expand_block_move): Ditto.
15618 2021-03-18 Nick Clifton <nickc@redhat.com>
15620 * config/v850/v850.c (construct_restore_jr): Increase static
15622 (construct_save_jarl): Likewise.
15623 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
15625 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15627 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
15628 (aarch64_override_options_internal): Use it.
15629 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
15632 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
15634 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
15635 error message format issues.
15636 (nios2_option_override): Likewise.
15637 (nios2_expand_fpu_builtin): Likewise.
15638 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
15639 truncation warning.
15640 (nios2_expand_custom_builtin): More error message format fixes.
15641 (nios2_expand_rdwrctl_builtin): Likewise.
15642 (nios2_expand_rdprs_builtin): Likewise.
15643 (nios2_expand_eni_builtin): Likewise.
15644 (nios2_expand_builtin): Likewise.
15645 (nios2_register_custom_code): Likewise.
15646 (nios2_valid_target_attribute_rec): Likewise.
15647 (nios2_add_insn_asm): Fix uninitialized variable warning.
15649 2021-03-17 Jan Hubicka <jh@suse.cz>
15651 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
15652 of gather to match reality.
15653 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
15655 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15657 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
15658 to compare against CC_REG rather than NE.
15660 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
15663 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
15664 inline assembly statements.
15665 (ix86_print_operand): Update 'P' handling for -fno-plt.
15667 2021-03-17 Tamar Christina <tamar.christina@arm.com>
15670 * config/aarch64/aarch64.c
15671 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
15673 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
15676 * config/rs6000/predicates.md (branch_comparison_operator): Allow
15677 ordered and unordered for CCFPmode, if flag_finite_math_only.
15679 2021-03-16 Jakub Jelinek <jakub@redhat.com>
15682 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
15683 rather than ASHIFT.
15684 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
15686 2021-03-16 Martin Liska <mliska@suse.cz>
15689 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
15690 cl_optimization_compare function.
15692 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
15694 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
15697 2021-03-16 Jakub Jelinek <jakub@redhat.com>
15700 * config/i386/i386.h (struct machine_function): Add
15701 has_explicit_vzeroupper bitfield.
15702 * config/i386/i386-expand.c (ix86_expand_builtin): Set
15703 cfun->machine->has_explicit_vzeroupper when expanding
15704 IX86_BUILTIN_VZEROUPPER.
15705 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
15706 Do the mode switching only when TARGET_VZEROUPPER, expensive
15707 optimizations turned on and not optimizing for size.
15708 (pass_insert_vzeroupper::gate): Enable even when
15709 cfun->machine->has_explicit_vzeroupper is set.
15711 2021-03-16 Jakub Jelinek <jakub@redhat.com>
15714 * config/aarch64/aarch64.c
15715 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
15716 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
15717 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
15719 2021-03-15 Richard Biener <rguenther@suse.de>
15721 PR tree-optimization/98834
15722 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
15723 subsetting by truncating the access size.
15725 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
15727 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
15728 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
15731 2021-03-15 Martin Liska <mliska@suse.cz>
15733 * spellcheck.c: Add missing comma in initialization.
15735 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
15737 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
15738 alternative 2 and alternative 1 with alternative 3 using
15739 YW register constraint.
15740 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
15741 using YW register constraint.
15742 (*vec_extractv16qi_zext): Ditto.
15743 (*vec_extractv4si): Merge alternatives 4 and 5
15744 using Yw register constraint.
15745 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
15747 2021-03-13 Martin Sebor <msebor@redhat.com>
15749 PR tree-optimization/99489
15750 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
15751 is not a call statement.
15753 2021-03-13 Jakub Jelinek <jakub@redhat.com>
15755 PR tree-optimization/99544
15756 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
15757 if for vector types multiplication can't be done in type's mode.
15759 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
15762 * config/sparc/constraints.md (w): Rename to...
15763 (W): ... this and ditch previous implementation.
15764 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
15765 (*movdf_insn_sp64): Likewise.
15766 (*mov<VM64:mode>_insn_sp64): Likewise.
15767 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
15769 (atomic_compare_and_swap_leon3_1): Likewise.
15770 (*atomic_compare_and_swapdi_v8plus): Likewise.
15771 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
15772 architecture and add missing address validity check during LRA.
15774 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
15777 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
15778 occuring for assumed-size arrays in use_device_{ptr,addr}.
15780 2021-03-12 Jakub Jelinek <jakub@redhat.com>
15783 * config/i386/constraints.md (YW): New internal constraint.
15784 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
15785 (*<sse2_avx2>_<insn><mode>3<mask_name>,
15786 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
15787 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
15789 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
15790 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
15791 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
15792 into one, use Yw instead of former x,v.
15793 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
15794 the last alternative.
15795 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
15796 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
15797 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
15798 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
15799 into one, use <v_Yw> instead of former x,v.
15800 (avx2_interleave_highv32qi<mask_name>,
15801 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
15802 constraints. Add && <mask_avx512bw_condition> to condition.
15803 (avx2_interleave_lowv32qi<mask_name>,
15804 vec_interleave_lowv16qi<mask_name>,
15805 avx2_interleave_highv16hi<mask_name>,
15806 vec_interleave_highv8hi<mask_name>,
15807 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
15808 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
15809 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
15810 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
15811 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
15812 Yw instead of v in constraints.
15813 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
15814 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
15815 instead of Yv in constraints.
15816 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
15817 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
15818 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
15819 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
15820 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
15822 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
15823 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
15824 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
15825 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
15826 two, one with just x, another isa avx512vl with v.
15828 2021-03-12 Martin Liska <mliska@suse.cz>
15830 * doc/invoke.texi: Add missing param documentation.
15832 2021-03-11 David Malcolm <dmalcolm@redhat.com>
15835 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
15836 analyzer/trimmed-graph.o.
15837 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
15838 feasibility checking to reflect new implementation.
15839 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
15841 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
15843 2021-03-11 David Malcolm <dmalcolm@redhat.com>
15845 * digraph.cc (selftest::test_shortest_paths): Update
15846 shortest_paths init for new param. Add test of
15847 SPS_TO_GIVEN_TARGET.
15848 * shortest-paths.h (enum shortest_path_sense): New.
15849 (shortest_paths::shortest_paths): Add "sense" param.
15850 Update for renamings. Generalize to use "sense" param.
15851 (shortest_paths::get_shortest_path): Rename param.
15852 (shortest_paths::m_sense): New field.
15853 (shortest_paths::m_prev): Rename...
15854 (shortest_paths::m_best_edge): ...to this.
15855 (shortest_paths::get_shortest_path): Update for renamings.
15856 Conditionalize flipping of path on sense of traversal.
15858 2021-03-11 David Malcolm <dmalcolm@redhat.com>
15860 * digraph.cc (selftest::test_shortest_paths): Add test coverage
15861 for paths from B and C.
15862 * shortest-paths.h (shortest_paths::shortest_paths): Handle
15863 unreachable nodes, rather than asserting.
15865 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
15868 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
15869 xcoff_tbss_section_name.
15870 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
15871 * xcoffout.c (xcoff_tbss_section_name): Delete.
15872 * xcoffout.h (xcoff_tbss_section_name): Delete.
15874 2021-03-11 Richard Biener <rguenther@suse.de>
15876 PR tree-optimization/99523
15877 * tree-cfg.c (dump_function_to_file): Dump SSA names
15878 w/o identifier to the decls section as well, not only those
15879 without a VAR_DECL.
15881 2021-03-11 Jakub Jelinek <jakub@redhat.com>
15884 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
15885 function calls with lhs fail if the lhs don't have compatible types.
15887 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
15889 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
15890 Change FRAME_POINTER_REGNUM to correspond to a new faked
15891 register faked_fp, part of GENNONACR_REGS like faked_ap.
15892 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
15893 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
15894 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
15895 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
15896 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
15898 (CRIS_REAL_FP_REGNUM): New constant.
15899 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
15900 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
15901 (cris_initial_elimination_offset): Handle elimination changes
15902 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
15903 and add one from FRAME_POINTER_REGNUM to
15904 HARD_FRAME_POINTER_REGNUM.
15905 (cris_expand_prologue, cris_expand_epilogue): Emit code for
15906 hard_frame_pointer_rtx instead of frame_pointer_rtx.
15908 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
15911 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
15912 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
15914 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
15917 * lra-constraints.c (process_address_1): Don't check unknown
15918 constraint, use X for empty constraint.
15920 2021-03-10 Alex Coplan <alex.coplan@arm.com>
15922 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
15923 Fix typo in comment describing "is_ha" argument.
15925 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
15927 * doc/sourcebuild.texi: Document LRA target selector.
15929 2021-03-10 David Malcolm <dmalcolm@redhat.com>
15931 * doc/ux.texi: Add subsection contrasting interactive versus
15932 batch usage of GCC.
15934 2021-03-10 Joel Hutton <joel.hutton@arm.com>
15937 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
15939 (vectorizable_load): Fix gather load mask check condition.
15941 2021-03-10 Richard Biener <rguenther@suse.de>
15943 PR tree-optimization/99510
15944 * tree.c (check_aligned_type): Check that the candidate
15945 has TYPE_USER_ALIGN set instead of matching with the
15948 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
15950 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
15951 float and vector integer modes only if the mode is not larger.
15953 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
15955 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
15957 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
15959 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
15961 * ira-lives.c (single_reg_class): Ditto.
15963 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
15965 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
15966 the architecture-specific rtems.h.
15967 (aarch64-*-rtems*): Likewise.
15968 (arm*-*-rtems*): Likewise.
15969 (epiphany-*-rtems*): Likewise.
15970 (riscv*-*-rtems*): Likewise.
15972 2021-03-09 Jakub Jelinek <jakub@redhat.com>
15974 PR tree-optimization/99305
15975 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
15976 before integer_all_onesp instead of vice versa.
15978 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
15980 * common/config/arm/arm-common.c (arm_config_default): Change type
15981 of 'i' to unsigned.
15983 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
15986 * lra-constraints.c (process_address_1): Process constraint 'g'
15987 separately and digital constraints containing more one digit.
15989 2021-03-09 Nick Clifton <nickc@redhat.com>
15991 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
15992 (DWARF"_DEBUGGING_INFO): Define.
15994 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
15997 * calls.c (initialize_argument_information): When the argument
15998 is passed by reference, do not make a copy in a thunk only if
15999 the argument is already in memory. Remove redundant test for
16000 the case of callee copy.
16002 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
16005 * lra-constraints.c (process_address_1): Process 0..9 constraints
16006 in process_address_1.
16008 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
16010 * config/s390/s390.c (struct s390_processor processor_table):
16011 Binutils name string must not be empty.
16013 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
16015 * config/arc/arc.c (arc_attr_type): Remove function.
16017 2021-03-09 Martin Liska <mliska@suse.cz>
16020 * config/i386/i386-options.c (ix86_option_override_internal):
16021 Set isa_flags for OPTS argument and not for the global
16024 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
16026 * config/rs6000/predicates.md (ds_form_mem_operand): Check
16029 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
16032 * config/rs6000/predicates.md (ds_form_mem_operand) New
16034 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
16035 ds_form_mem_operand in ld/lwa patterns.
16036 * config/rs6000/fusion.md: Regenerate file.
16038 2021-03-08 Martin Sebor <msebor@redhat.com>
16040 PR middle-end/98266
16041 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
16042 (array_bounds_checker::check_array_bounds): Call it.
16044 2021-03-08 Martin Sebor <msebor@redhat.com>
16046 PR middle-end/97631
16047 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
16048 (handle_builtin_stxncpy_strncat): Rename locals. Determine
16049 destination size from allocation calls. Issue a more appropriate
16051 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
16052 (handle_builtin_memset): Same.
16054 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
16057 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
16058 to ensure we do not have an Altivec style address.
16059 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
16060 an Altivec style address.
16061 (*vsx_le_perm_store_<mode>): Likewise.
16062 (splitters after *vsx_le_perm_store_<mode>): Likewise.
16063 (vsx_load_<mode>): Disable special expander if passed an Altivec
16065 (vsx_store_<mode>): Likewise.
16067 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16070 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
16071 (aarch64_simd_shift_imm_vec_hi): Likewise.
16072 (aarch64_simd_shift_imm_vec_si): Likewise.
16073 (aarch64_simd_shift_imm_vec_di): Likewise.
16074 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
16075 predicate from above.
16076 (aarch64_shrn<mode>_insn_be): Likewise.
16077 (aarch64_rshrn<mode>_insn_le): Likewise.
16078 (aarch64_rshrn<mode>_insn_be): Likewise.
16079 (aarch64_shrn2<mode>_insn_le): Likewise.
16080 (aarch64_shrn2<mode>_insn_be): Likewise.
16081 (aarch64_rshrn2<mode>_insn_le): Likewise.
16082 (aarch64_rshrn2<mode>_insn_be): Likewise.
16084 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
16087 * lra-constraints.c (skip_contraint_modifiers): New function.
16088 (process_address_1): Use it before lookup_constraint call.
16090 2021-03-08 Martin Liska <mliska@suse.cz>
16093 * config/i386/i386-options.c (ix86_option_override_internal):
16094 Enable UINTR and HRESET for -march that supports it.
16096 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
16098 * config/s390/s390.c (f_constraint_p): New function.
16099 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
16100 (TARGET_MD_ASM_ADJUST): Likewise.
16102 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
16105 * tree-nested.c (convert_local_reference_stmt): Avoid calling
16106 lookup_field_for_decl for Fortran module (= namespace context).
16108 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
16110 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
16111 comparison with arithmetic right shift.
16112 (s390_expand_vcond): No need for a force_reg anymore.
16113 s390_vec_compare will do it.
16114 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
16115 immediate operands.
16117 2021-03-07 Jakub Jelinek <jakub@redhat.com>
16120 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
16121 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
16123 * config/i386/sse.md (v_Yw): New define_mode_attr.
16124 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
16125 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
16127 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
16128 xYw in constraints.
16130 2021-03-06 Julian Brown <julian@codesourcery.com>
16132 * tree-pretty-print.c (dump_generic_node): Emit non-generic
16133 address space info for aggregates.
16135 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
16137 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
16139 2021-03-05 Jakub Jelinek <jakub@redhat.com>
16141 PR middle-end/99322
16142 * tree-cfg.c (bb_to_omp_idx): New variable.
16143 (execute_build_cfg): Release the bb_to_omp_idx vector after
16144 cleanup_tree_cfg returns.
16145 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
16146 for bb_to_omp_idx being a vec<int> instead of pointer to array
16148 (make_edges): Remove bb_to_omp_idx local variable, don't pass
16149 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
16150 vec<int> instead of pointer to array of ints and don't free/release
16152 (remove_bb): When removing a bb and placing forced label somewhere
16153 else, ensure it is put into the same OpenMP region during cfg
16154 pass if possible or to entry successor as fallback. Unregister
16155 bb from bb_to_omp_idx.
16157 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
16160 * lra-constraints.c (process_address_1): Skip decomposing address
16161 for asm insn operand with unknown constraint.
16163 2021-03-05 Martin Jambor <mjambor@suse.cz>
16166 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
16167 corresponding speculative edges if we are about to resolve
16168 sepculation. Make edge direct (and so resolve speculations) before
16169 removing it from call_site_hash.
16170 (cgraph_edge::make_direct): Relax the initial assert to allow calling
16171 the function on speculative direct edges.
16173 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
16175 PR rtl-optimization/99376
16176 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
16177 of low-order zero bits is too large, set the result to 0 directly.
16179 2021-03-04 Jakub Jelinek <jakub@redhat.com>
16181 PR middle-end/93235
16182 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
16183 SUBREG and a SUBREG to op_mode can't be created.
16185 2021-03-04 Alex Coplan <alex.coplan@arm.com>
16188 * config/aarch64/aarch64-sve-builtins.cc
16189 (function_resolver::require_vector_type): Handle error_mark_node.
16191 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
16193 * cfgexpand.c (expand_asm_loc): Pass new parameter.
16194 (expand_asm_stmt): Likewise.
16195 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
16197 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
16198 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
16199 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
16200 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
16201 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
16202 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
16203 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
16204 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
16205 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
16206 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
16207 * doc/tm.texi (md_asm_adjust): Likewise.
16208 * target.def (md_asm_adjust): Likewise.
16210 2021-03-04 Richard Biener <rguenther@suse.de>
16212 PR middle-end/97855
16213 * tree-pretty-print.c: Poison pp_printf.
16214 (dump_decl_name): Avoid use of pp_printf.
16215 (dump_block_node): Likewise.
16216 (dump_generic_node): Likewise.
16218 2021-03-04 Martin Sebor <msebor@redhat.com>
16220 PR middle-end/96963
16221 PR middle-end/94655
16222 * builtins.c (handle_array_ref): New helper.
16223 (handle_mem_ref): New helper.
16224 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
16225 into new helper functions. Correct a workaround for vectorized
16228 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
16230 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
16231 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
16232 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
16233 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
16234 attribute for Power10.
16235 * config/rs6000/mma.md (*movoo): Likewise.
16236 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
16237 (define_mode_attr bits): Add DD/TD modes.
16238 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
16239 store_conditionalpti): Update size attribute for Power10.
16241 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
16244 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
16245 -Wuninitialized, -Wmaybe-uninitialized.
16246 (wide-int.o-warn): Likewise.
16248 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
16250 * common/config/arm/arm-common.c: Include configargs.h.
16251 (arm_config_default): New function.
16252 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
16253 processors that do not support Thumb. Take into account the
16254 --with-mode configuration setting for selecting the default.
16255 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
16256 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
16258 2021-03-03 Martin Liska <mliska@suse.cz>
16260 PR gcov-profile/97461
16261 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
16263 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
16266 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
16267 point back the hard frame pointer to its default location when the
16268 frame is larger than SEH_MAX_FRAME_SIZE.
16270 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16273 * config/i386/predicates.md (logic_operator): New define_predicate.
16274 * config/i386/i386.md (mov + mem using comm arith peephole2):
16275 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
16276 and the inner mode is [QH]Imode.
16278 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16281 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
16282 (new_loc_list): Clear end_entry.
16283 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
16284 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
16286 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
16287 initialize also end_entry.
16289 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16292 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
16293 partitions, if in non-layout mode after reorder_blocks also move
16294 affected blocks to ensure a single partition transition.
16296 2021-03-03 Jason Merrill <jason@redhat.com>
16299 * cgraphunit.c (process_function_and_variable_attributes): Don't
16300 warn about flatten on an alias if the target also has it.
16301 * cgraph.h (symtab_node::get_alias_target_tree): New.
16303 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
16305 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
16306 period to symbol name.
16307 (tls_get_addr_internal<mode>): Same.
16309 2021-03-02 David Malcolm <dmalcolm@redhat.com>
16312 * diagnostic-show-locus.c
16313 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
16316 2021-03-02 Martin Sebor <msebor@redhat.com>
16318 PR middle-end/99276
16319 * builtins.c (warn_for_access): Remove stray warning text.
16321 2021-03-02 Martin Sebor <msebor@redhat.com>
16323 PR middle-end/99295
16324 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
16327 2021-03-02 Jakub Jelinek <jakub@redhat.com>
16330 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
16331 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
16332 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
16333 DW_MACRO_define_strx and DW_MACRO_undef_strx.
16334 (save_macinfo_strings): Use DW_MACRO_*_str* even with
16335 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
16336 DW_MACRO_undef_strx.
16338 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
16340 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
16342 (BT_FN_V8HI_V8HI_UINT): Likewise.
16343 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
16344 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
16345 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
16346 New builtin definitions.
16347 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
16348 vector extension version.
16349 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
16350 available with current -march level.
16351 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
16352 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
16353 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
16354 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
16355 (vec_extend_to_fp32_lo): Likewise.
16356 (vec_round_from_fp32): Likewise.
16357 (vec_convert_to_fp16): Likewise.
16358 (vec_convert_from_fp16): Likewise.
16359 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
16360 (vclfnls_v8hi): Likewise.
16361 (vcrnfs_v8hi): Likewise.
16362 (vcfn_v8hi): Likewise.
16363 (vcnf_v8hi): Likewise.
16365 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
16367 * common/config/s390/s390-common.c (processor_flags_table): New entry.
16368 * config.gcc: Enable arch14 for --with-arch and --with-tune.
16369 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
16370 arch14 for unknown CPU models.
16371 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
16372 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
16373 (s390_get_sched_attrmask): Likewise.
16374 (s390_get_unit_mask): Likewise.
16375 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
16376 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
16377 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
16378 (TARGET_NNPA_P): New macro definitions.
16379 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
16380 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
16382 2021-03-02 Jakub Jelinek <jakub@redhat.com>
16384 PR middle-end/95757
16385 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
16386 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
16387 != 1 comparisons if name is lhs of a comparison.
16389 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
16393 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
16394 * config/darwin.c (darwin_should_restore_cfa_state): New.
16395 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
16396 * doc/tm.texi: Regenerated.
16397 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
16398 * dwarf2cfi.c (connect_traces): If the target requests, restore
16399 the CFA expression after a DW_CFA_restore.
16400 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
16402 2021-03-01 Martin Liska <mliska@suse.cz>
16405 * optc-save-gen.awk: Add 4 more exceptions.
16407 2021-03-01 Nathan Sidwell <nathan@acm.org>
16410 * tree.h (TYPE_ALIGN_RAW): New accessor.
16411 (TYPE_ALIGN): Use it.
16413 2021-03-01 Jan Hubicka <jh@suse.cz>
16416 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
16418 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
16421 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
16422 point the hard frame pointer to the SSE register save area instead
16423 of the general register save area. Perform only minimal adjustment
16424 for small frames if it is initially not correctly aligned.
16425 (ix86_expand_prologue): Remove early saves for a SEH target.
16426 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
16428 2021-02-28 Jakub Jelinek <jakub@redhat.com>
16431 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
16432 typo - referneced -> referenced.
16433 * tree.c (component_ref_size): Fix comment typo -
16434 refernce -> reference.
16435 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
16436 traling -> trailing.
16437 (aliasing_component_refs_p): Fix comment typos -
16438 refernce -> reference and refernece -> reference and
16439 traling -> trailing.
16440 (nonoverlapping_refs_since_match_p): Fix comment typo -
16441 referneces -> references.
16442 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
16443 referneces -> references.
16445 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
16447 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
16448 diagnostic message to avoid use of a contraction and format
16451 2021-02-27 Jakub Jelinek <jakub@redhat.com>
16454 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
16455 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
16456 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
16457 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
16460 2021-02-26 Richard Biener <rguenther@suse.de>
16462 PR middle-end/99281
16463 * expr.c (store_field): For calls with return-slot optimization
16464 and addressable return type expand the store directly.
16466 2021-02-26 Richard Biener <rguenther@suse.de>
16469 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
16471 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
16474 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
16477 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
16479 * config.gcc: Add rs6000-pcrel-opt.o.
16480 * config/rs6000/rs6000-pcrel-opt.c: New file.
16481 * config/rs6000/pcrel-opt.md: New file.
16482 * config/rs6000/predicates.md: Add d_form_memory predicate.
16483 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
16484 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
16485 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
16486 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
16487 and make_pass_pcrel_opt().
16488 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
16489 (rs6000_option_override_internal): Add pcrel-opt.
16490 (rs6000_delegitimize_address): Support pcrel-opt.
16491 (rs6000_opt_masks): Add pcrel-opt.
16492 (pcrel_opt_valid_mem_p): New function.
16493 (reg_to_non_prefixed): Make global.
16494 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
16495 (output_pcrel_opt_reloc): New function.
16496 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
16497 (pcrel_extern_addr): Set loads_extern_addr.
16498 Add include for pcrel-opt.md.
16499 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
16500 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
16503 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
16506 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
16507 If TARGET_64BIT and dest is SUBREG, we check the width, if it
16508 equal to SImode, we use SImode operation, just like what we are
16511 2021-02-26 Marek Polacek <polacek@redhat.com>
16513 * builtins.c (warn_for_access): Fix typos.
16515 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
16517 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
16518 mark in front of the immediate quantity.
16519 (<optab>_rolsi3_uxtw): Likewise.
16521 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
16524 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
16525 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
16526 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
16527 address and disable when the FPCXT is not available.
16528 (nonsecure_call_value_reg_thumb2): Likewise.
16530 2021-02-25 Nathan Sidwell <nathan@acm.org>
16533 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
16535 2021-02-25 Tamar Christina <tamar.christina@arm.com>
16537 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
16539 2021-02-25 Richard Biener <rguenther@suse.de>
16541 PR tree-optimization/99253
16542 * tree-vect-loop.c (check_reduction_path): First compute
16543 code, then verify out-of-loop uses.
16545 2021-02-25 Jakub Jelinek <jakub@redhat.com>
16548 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
16550 2021-02-25 Jakub Jelinek <jakub@redhat.com>
16552 PR tree-optimization/80635
16553 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
16554 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
16555 has mode precision.
16557 2021-02-25 Richard Biener <rguenther@suse.de>
16559 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
16560 load_map population.
16561 (vect_match_slp_patterns_2): Revert part of last change.
16562 (vect_analyze_slp): Do not interleave optimize_load_redistribution
16563 with pattern detection but do it afterwards. Dump the
16564 whole SLP graph after pattern recognition and load
16565 redistribution optimization finished.
16567 2021-02-24 Jakub Jelinek <jakub@redhat.com>
16570 * omp-low.c (struct omp_context): Add teams_nested_p and
16571 nonteams_nested_p members.
16572 (scan_omp_target): Diagnose teams nested inside of target with other
16573 directives strictly nested inside of the same target.
16574 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
16575 ctx->nonteams_nested_p as needed.
16577 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
16579 PR inline-asm/99123
16580 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
16582 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
16584 * config/cris/cris.c (cris_expand_prologue): Set
16585 current_function_static_stack_size, if flag_stack_usage_info.
16587 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
16589 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
16590 (rs6000_final_prescan_insn): Adjust.
16591 (rs6000_asm_output_opcode): Likewise.
16593 2021-02-24 Martin Sebor <msebor@redhat.com>
16595 PR middle-end/97172
16596 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
16597 from function arguments.
16599 2021-02-24 Tamar Christina <tamar.christina@arm.com>
16601 PR tree-optimization/99220
16602 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
16603 node from cache when it's about to be deleted.
16605 2021-02-24 Jakub Jelinek <jakub@redhat.com>
16607 PR tree-optimization/99225
16608 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
16609 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
16610 build_int_cst (..., 1). Formatting fixes.
16612 2021-02-24 Tamar Christina <tamar.christina@arm.com>
16614 PR tree-optimization/99149
16615 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
16617 (vect_slp_reset_pattern): Remove.
16618 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
16619 (complex_mul_pattern::build, complex_fma_pattern::build,
16620 complex_fms_pattern::build): Fix ref counts.
16621 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
16622 when node is being deleted.
16623 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
16624 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
16626 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
16628 2021-02-24 Matthias Klose <doko@ubuntu.com>
16631 2020-12-07 Matthias Klose <doko@ubuntu.com>
16633 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
16634 and ENABLE_RTL_FLAG_CHECKING.
16636 2021-02-24 Richard Biener <rguenther@suse.de>
16639 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
16641 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
16643 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
16644 (vsx_assemble_pair): ...to this.
16645 (*mma_assemble_pair): Rename from this...
16646 (*vsx_assemble_pair): ...to this.
16647 (mma_disassemble_pair): Rename from this...
16648 (vsx_disassemble_pair): ...to this.
16649 (*mma_disassemble_pair): Rename from this...
16650 (*vsx_disassemble_pair): ...to this.
16651 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
16652 BU_COMPAT): New macros.
16653 (mma_assemble_pair): Rename from this...
16654 (vsx_assemble_pair): ...to this.
16655 (mma_disassemble_pair): Rename from this...
16656 (vsx_disassemble_pair): ...to this.
16657 (mma_assemble_pair): New compatibility built-in.
16658 (mma_disassemble_pair): Likewise.
16659 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
16660 (RS6000_BUILTIN_COMPAT): Define.
16661 (bdesc_compat): New.
16662 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
16663 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
16664 and VSX_BUILTIN_ASSEMBLE_PAIR.
16665 (rs6000_init_builtins): Register compatibility built-ins.
16666 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
16667 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
16668 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
16669 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
16670 (__builtin_vsx_assemble_pair): ...to this.
16671 (__builtin_mma_disassemble_pair): Rename from this...
16672 (__builtin_vsx_disassemble_pair): ...to this.
16674 2021-02-23 Martin Liska <mliska@suse.cz>
16677 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
16678 with different alignment. That leads to an invalid red zone
16679 size allocated in runtime.
16681 2021-02-23 Jakub Jelinek <jakub@redhat.com>
16683 PR tree-optimization/99204
16684 * fold-const.c (fold_read_from_constant_string): Check that
16685 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
16687 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
16688 Kewen Lin <linkw@gcc.gnu.org>
16690 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
16691 (rotl<mode>3_insert_3): ...this.
16692 (plus_ior_xor): New code_iterator.
16693 (define_split for GPR rl*imi): New splitter.
16694 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
16695 for integer merging.
16697 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16699 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
16701 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
16702 into a register when the above is enabled.
16703 * config/aarch64/aarch64.c (neoversev1_tunings):
16704 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
16705 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
16707 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
16709 * config/cris/cris.c (cris_print_operand) <'T'>: Change
16710 valid operand from is now an addi mult-value to shift-value.
16711 * config/cris/cris.md (*addi): Change expression of scaled
16712 operand from mult to ashift.
16713 * config/cris/cris.md (*addi_reload): New insn_and_split.
16715 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
16718 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
16719 hook_bool_const_tree_hwi_hwi_const_tree_true.
16720 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
16722 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
16724 PR rtl-optimization/98791
16725 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
16726 for unordered modes.
16728 2021-02-22 Martin Liska <mliska@suse.cz>
16730 * tree-inline.c (inline_forbidden_p): Set
16731 inline_forbidden_reason.
16733 2021-02-22 Richard Biener <rguenther@suse.de>
16735 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
16738 2021-02-22 Richard Biener <rguenther@suse.de>
16740 PR tree-optimization/99165
16741 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
16742 Accumulate changed to ret.
16744 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
16747 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
16749 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
16751 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
16754 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
16756 (trunctf<DFP_ALL:mode>2): Likewise.
16757 (trunctdtf2_vr): Likewise.
16758 (trunctdtf2): Likewise.
16759 (extend<DFP_ALL:mode>tf2_vr): Likewise.
16760 (extend<DFP_ALL:mode>tf2): Likewise.
16761 (extendtftd2_vr): Likewise.
16762 (extendtftd2): Likewise.
16764 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
16766 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
16767 add memory alternative.
16768 (tf_to_fprx2): New pattern.
16770 2021-02-19 Martin Sebor <msebor@redhat.com>
16773 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
16774 (attr_access::free_lang_data): Remove a spurious test.
16776 2021-02-19 Nathan Sidwell <nathan@acm.org>
16778 * doc/invoke.texi (flang-info-module-read): Document.
16780 2021-02-19 Martin Liska <mliska@suse.cz>
16782 PR translation/99167
16783 * params.opt: Fix typo.
16785 2021-02-19 Richard Biener <rguenther@suse.de>
16787 PR middle-end/99122
16788 * tree-inline.c (inline_forbidden_p): Do not inline functions
16789 with VLA arguments or return value.
16791 2021-02-19 Jakub Jelinek <jakub@redhat.com>
16794 * config/arm/arm.md (*stack_protect_combined_set_insn,
16795 *stack_protect_combined_test_insn): If force_const_mem result
16796 is not valid general operand, force its address into the destination
16799 2021-02-19 Jakub Jelinek <jakub@redhat.com>
16802 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
16803 pad or non-local label, put FORCED_LABELs from bb b after that label
16804 rather than before it.
16806 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
16809 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
16810 expand_vector_broadcast' to emit the vec_duplicate operand.
16812 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
16814 PR rtl-optimization/96264
16815 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
16818 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
16821 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
16822 looking up the retain attribute.
16823 (resolve_unique_section): Likewise.
16824 (get_variable_section): Likewise.
16825 (switch_to_section): Likewise. Warn when a symbol without the
16826 retain attribute and a symbol with the retain attribute are
16827 placed in the section with the same name, instead of the used
16829 * doc/extend.texi: Document the "retain" attribute.
16831 2021-02-18 Nathan Sidwell <nathan@acm.org>
16834 * doc/invoke.texi (flang-info-include-translate): Document header
16837 2021-02-18 Richard Biener <rguenther@suse.de>
16839 PR middle-end/99122
16840 * ipa-fnsummary.c (analyze_function_body): Set
16841 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
16842 * tree-inline.c (insert_init_debug_bind): Pass NULL for
16843 error_mark_node values.
16844 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
16846 (setup_one_parameter): Delay force_value_to_type until when
16849 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
16851 PR tree-optimization/99142
16852 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
16854 2021-02-18 Jakub Jelinek <jakub@redhat.com>
16856 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
16857 wide_int_bitmask::wide_int_bitmask (uint64_t),
16858 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
16859 wide_int_bitmask::operator ~ () const,
16860 wide_int_bitmask::operator | (wide_int_bitmask) const,
16861 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
16863 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
16864 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
16865 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
16866 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
16867 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
16868 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
16869 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
16870 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
16871 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
16872 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
16873 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
16874 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
16875 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
16876 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
16877 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
16878 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
16879 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
16880 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
16881 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
16882 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
16883 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
16884 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
16885 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
16886 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
16888 2021-02-18 Jakub Jelinek <jakub@redhat.com>
16890 PR middle-end/99109
16891 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
16892 (build_printable_array_type): ... this. Add nelts argument. For
16893 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
16894 nelts, call build_array_type_nelts.
16895 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
16896 instead of build_zero_elt_array_type and build_array_type_nelts.
16898 2021-02-18 Jakub Jelinek <jakub@redhat.com>
16901 * config/i386/i386.c (distance_non_agu_define): Don't call
16902 extract_insn_cached here.
16903 (ix86_lea_outperforms): Save and restore recog_data around call
16904 to distance_non_agu_define and distance_agu_use.
16905 (ix86_ok_to_clobber_flags): Remove.
16906 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
16907 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
16908 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
16909 into define_insn. Move the splitting to define_peephole2 and
16910 check there using peep2_regno_dead_p if FLAGS_REG is dead.
16912 2021-02-17 Julian Brown <julian@codesourcery.com>
16914 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
16917 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
16920 * config/mips/mips.c (mips_symbol_insns): Do not use
16921 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
16923 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
16925 PR inline-asm/98096
16926 * stmt.c (resolve_operand_name_1): Take inout operands into account
16927 for access to labels by names.
16928 * doc/extend.texi: Describe counting operands for accessing labels.
16930 2021-02-16 Richard Biener <rguenther@suse.de>
16932 PR tree-optimization/38474
16933 * tree-ssa-structalias.c (variable_info::address_taken): New.
16934 (new_var_info): Initialize address_taken.
16935 (process_constraint): Set address_taken.
16936 (solve_constraints): Use the new address_taken flag rather
16937 than is_reg_var for sorting variables.
16938 (dump_constraint): Dump the variable number if the name
16941 2021-02-16 Jakub Jelinek <jakub@redhat.com>
16944 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
16945 multiply by 4096 and for inbranch by 8192.
16946 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
16947 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
16949 2021-02-15 Maya Rashish <coypu@sdf.org>
16951 * config/aarch64/aarch64.c (aarch64_init_builtins):
16952 Call SUBTARGET_INIT_BUILTINS.
16954 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
16956 PR rtl-optimization/98872
16957 * init-regs.c (initialize_uninitialized_regs): Skip initialization
16958 if CONST0_RTX is NULL.
16960 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
16962 PR rtl-optimization/98863
16963 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
16964 (function_info::build_info): Turn into a declaration, moving the
16965 definition to internals.h.
16966 (function_info::bb_walker): Declare.
16967 (function_info::create_reg_use): Likewise.
16968 (function_info::calculate_potential_phi_regs): Take a build_info
16970 (function_info::place_phis, function_info::create_ebbs): Declare.
16971 (function_info::calculate_ebb_live_in_for_debug): Likewise.
16972 (function_info::populate_backedge_phis): Delete.
16973 (function_info::start_block, function_info::end_block): Declare.
16974 (function_info::populate_phi_inputs): Delete.
16975 (function_info::m_potential_phi_regs): Move information to build_info.
16976 * rtl-ssa/internals.h: New file.
16977 (function_info::bb_phi_info): New class.
16978 (function_info::build_info): Moved from functions.h.
16979 Add a constructor and destructor.
16980 (function_info::build_info::ebb_use): Delete.
16981 (function_info::build_info::ebb_def): Likewise.
16982 (function_info::build_info::bb_live_out): Likewise.
16983 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
16984 (function_info::build_info::potential_phi_regs): Likewise.
16985 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
16986 (function_info::build_info::ebb_def_regs): Likewise.
16987 (function_info::build_info::bb_phis): Likewise.
16988 (function_info::build_info::bb_mem_live_out): Likewise.
16989 (function_info::build_info::bb_to_rpo): Likewise.
16990 (function_info::build_info::def_stack): Likewise.
16991 (function_info::build_info::old_def_stack_limit): Likewise.
16992 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
16993 Remove the regno argument. Push the previous definition onto the
16994 definition stack where necessary.
16995 * rtl-ssa/accesses.cc: Include internals.h.
16996 * rtl-ssa/changes.cc: Likewise.
16997 * rtl-ssa/blocks.cc: Likewise.
16998 (function_info::build_info::build_info): Define.
16999 (function_info::build_info::~build_info): Likewise.
17000 (function_info::bb_walker): New class.
17001 (function_info::bb_walker::bb_walker): Define.
17002 (function_info::add_live_out_use): Convert a logarithmic-complexity
17003 test into a linear one. Allow the same definition to be passed
17005 (function_info::calculate_potential_phi_regs): Moved from
17006 functions.cc. Take a build_info parameter and store the
17007 information there instead.
17008 (function_info::place_phis): New function.
17009 (function_info::add_entry_block_defs): Update call to record_reg_def.
17010 (function_info::calculate_ebb_live_in_for_debug): New function.
17011 (function_info::add_phi_nodes): Use bb_phis to decide which
17012 registers need phi nodes and initialize ebb_def_regs accordingly.
17013 Do not add degenerate phis here.
17014 (function_info::add_artificial_accesses): Use create_reg_use.
17015 Assert that all definitions are listed in the DF LR sets.
17016 Update call to record_reg_def.
17017 (function_info::record_block_live_out): Record live-out register
17018 values in the phis of successor blocks. Use the live-out set
17019 when processing the last block in an EBB, instead of always
17020 using the live-in sets of successor blocks. AND the live sets
17021 with the set of registers that have been defined in the EBB,
17022 rather than with all potential phi registers. Cope correctly
17023 with branches back to the start of the current EBB.
17024 (function_info::start_block): New function.
17025 (function_info::end_block): Likewise.
17026 (function_info::populate_phi_inputs): Likewise.
17027 (function_info::create_ebbs): Likewise.
17028 (function_info::process_all_blocks): Rewrite into a multi-phase
17030 * rtl-ssa/functions.cc: Include internals.h.
17031 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
17032 (function_info::init_function_data): Remove caller.
17033 * rtl-ssa/insns.cc: Include internals.h
17034 (function_info::create_reg_use): New function. Lazily any
17035 degenerate phis needed by the linear RPO view.
17036 (function_info::record_use): Use create_reg_use. When processing
17037 debug uses, use potential_phi_regs and test it before checking
17038 whether the register is live on entry to the current EBB. Lazily
17039 calculate ebb_live_in_for_debug.
17040 (function_info::record_call_clobbers): Update call to record_reg_def.
17041 (function_info::record_def): Likewise.
17043 2021-02-15 Martin Liska <mliska@suse.cz>
17045 * toplev.c (init_asm_output): Free output of
17046 gen_command_line_string function.
17047 (process_options): Likewise.
17049 2021-02-15 Martin Liska <mliska@suse.cz>
17051 * params.opt: Add 2 missing Param keywords.
17053 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
17055 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
17057 2021-02-15 Jakub Jelinek <jakub@redhat.com>
17059 PR tree-optimization/99079
17060 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
17061 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
17062 require both type and TREE_TYPE (@1) to be integral types and either
17063 type having smaller or equal precision, or TREE_TYPE (@1) being
17064 unsigned type, or type being signed type. If TREE_TYPE (@1)
17065 doesn't have wrapping overflow, perform the subtraction of one in
17068 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
17069 Richard Biener <rguether@suse.de>
17072 * ipa-reference.c (ipa_init): Only conditinally initialize
17073 reference_vars_to_consider.
17074 (propagate): Conditionally deninitialize reference_vars_to_consider.
17075 (ipa_reference_write_optimization_summary): Sanity check that
17076 reference_vars_to_consider is not allocated.
17078 2021-02-13 Levy Hsu <admin@levyhsu.com>
17081 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
17082 extend parameter to get_si_mem_base_reg declaration.
17083 (get_si_mem_base_reg): Add extend parameter. Set it.
17084 (analyze): Pass extend arg to get_si_mem_base_reg.
17085 (transform): Likewise. Use it when rewriting mems.
17086 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
17087 loads and emit sign/zero extending load followed by subreg move.
17089 2021-02-13 Jim Wilson <jimw@sifive.com>
17092 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
17093 exit when !reload_completed. Only perform check for compressed reg
17094 if reload_completed.
17095 (riscv_rtx_costs): In MEM case, when optimizing for size and
17096 shorten memrefs, if not compressible, then increase cost.
17098 2021-02-13 Jakub Jelinek <jakub@redhat.com>
17100 PR rtl-optimization/98439
17101 * recog.c (pass_split_before_regstack::gate): Enable even when
17102 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
17105 2021-02-13 Jakub Jelinek <jakub@redhat.com>
17108 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
17109 swap of V2SImode elements in memory into DImode memory rotate by 32.
17111 2021-02-12 Martin Sebor <msebor@redhat.com>
17113 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
17115 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
17117 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
17118 m_temp_obstack rather than m_obstack to allocate the temporary use.
17120 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
17122 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
17123 as read-modify operations.
17125 2021-02-12 Richard Biener <rguenther@suse.de>
17127 PR middle-end/38474
17128 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
17129 fbi->aa_walk_budget is bigger than zero. Update
17130 fbi->aa_walk_budget.
17131 (param_change_prob): Likewise.
17132 * ipa-prop.c (detect_type_change_from_memory_writes):
17133 Properly account walk_aliased_vdefs.
17134 (parm_preserved_before_stmt_p): Canonicalize updates.
17135 (parm_ref_data_preserved_p): Likewise.
17136 (parm_ref_data_pass_through_p): Likewise.
17137 (determine_known_aggregate_parts): Account own alias queries.
17139 2021-02-12 Martin Liska <mliska@suse.cz>
17141 * opts-common.c (decode_cmdline_option): Release werror_arg.
17142 * opts.c (gen_producer_string): Release output of
17143 gen_command_line_string.
17145 2021-02-12 Richard Biener <rguenther@suse.de>
17147 PR tree-optimization/38474
17148 * params.opt (-param=max-store-chains-to-track=): New param.
17149 (-param=max-stores-to-track=): Likewise.
17150 * doc/invoke.texi (max-store-chains-to-track): Document.
17151 (max-stores-to-track): Likewise.
17152 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
17154 (pass_store_merging::m_n_stores): Likewise.
17155 (pass_store_merging::terminate_and_process_chain): Update
17156 m_n_stores and m_n_chains.
17157 (pass_store_merging::process_store): Likewise. Terminate
17158 oldest chains if the number of stores or chains get too large.
17159 (imm_store_chain_info::terminate_and_process_chain): Dump
17162 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
17164 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
17165 the cold section, emit a nop before the directive if the previous
17166 active instruction can throw.
17168 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
17171 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
17172 memory addresses that are legal for quad word accesses.
17174 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
17177 * config/arm/thumb2.md (*doloop_end_internal): Generate
17178 alternative sequence to handle long range branches.
17180 2021-02-11 Joel Hutton <joel.hutton@arm.com>
17182 PR tree-optimization/98772
17183 * optabs-tree.c (supportable_half_widening_operation): New function
17184 to check for supportable V8QI->V8HI widening patterns.
17185 * optabs-tree.h (supportable_half_widening_operation): New function.
17186 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
17187 to create promotion stmts for V8QI->V8HI widening patterns.
17188 (vectorizable_conversion): Add case for V8QI->V8HI.
17190 2021-02-11 Richard Biener <rguenther@suse.de>
17192 * sparseset.h (SPARSESET_ELT_BITS): Remove.
17193 (SPARSESET_ELT_TYPE): Use unsigned int.
17194 * fwprop.c: Do not include sparseset.h.
17196 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17199 * varasm.c (declare_weak): For -fsyntax-only, allow even
17200 TREE_ASM_WRITTEN function decls.
17202 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17205 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
17206 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
17207 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
17208 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
17209 calling simplify_gen_subreg on it.
17211 2021-02-10 Martin Liska <mliska@suse.cz>
17213 * config/nvptx/nvptx.c (nvptx_option_override): Use
17214 flag_patchable_function_entry instead of the removed
17215 function_entry_patch_area_size.
17217 2021-02-10 Martin Liska <mliska@suse.cz>
17219 PR tree-optimization/99002
17220 PR tree-optimization/99026
17221 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
17222 leak when adjacent cases are merged.
17223 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
17225 (make_pass_lower_switch): Remove trailing whitespace.
17226 * tree-switch-conversion.h (release_clusters): New.
17228 2021-02-10 Richard Biener <rguenther@suse.de>
17230 PR rtl-optimization/99054
17231 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
17232 (fixup_partitions): Adjust.
17233 (rtl_verify_edges): Likewise.
17235 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17237 PR middle-end/99007
17238 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
17239 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
17242 2021-02-10 Richard Biener <rguenther@suse.de>
17245 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
17248 2021-02-10 Richard Biener <rguenther@suse.de>
17250 PR tree-optimization/99024
17251 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
17252 clear loop->aux if it is associated with the destroyed loop_vinfo.
17254 2021-02-10 Martin Liska <mliska@suse.cz>
17256 PR tree-optimization/99002
17257 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
17260 2021-02-10 Martin Liska <mliska@suse.cz>
17263 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
17264 a reference exists.
17266 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17269 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
17270 at class scope for DWARF5+.
17272 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
17274 PR rtl-optimization/96015
17275 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
17276 (relax_delay_slots): When deleting a jump to the next active
17277 instruction over a barrier, first delete the barrier if the
17278 jump is the only way to reach the target label.
17280 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
17282 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
17283 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
17284 vector multiplies and vect.alu for SSRA.
17285 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
17286 vect.mul cost field.
17287 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
17288 * config/arm/arm.c: Likewise.
17290 2021-02-09 Richard Biener <rguenther@suse.de>
17292 PR tree-optimization/98863
17293 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
17294 * tree-ssa-sccvn.c (last_pushed_avail): New global.
17295 (rpo_elim::eliminate_push_avail): Chain pushed avails.
17296 (unwind_state::avail_top): Add.
17297 (do_unwind): Rewrite unwinding of avail entries.
17298 (do_rpo_vn): Initialize last_pushed_avail and
17299 avail_top of the undo state.
17301 2021-02-09 Jakub Jelinek <jakub@redhat.com>
17303 PR middle-end/99004
17304 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
17305 const char * to char * and free those pointers after use.
17307 2021-02-09 Richard Biener <rguenther@suse.de>
17309 PR tree-optimization/99017
17310 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
17311 zero vector cost entries.
17313 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
17315 PR middle-end/98974
17316 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
17317 parameter in vectorizable_condition.
17319 2021-02-08 Richard Biener <rguenther@suse.de>
17322 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
17324 2021-02-08 Martin Liska <mliska@suse.cz>
17327 * cfgexpand.c (pass_expand::execute): Parse per-function option
17328 flag_patchable_function_entry and use it.
17329 * common.opt: Remove function_entry_patch_area_size and
17330 function_entry_patch_area_start global variables.
17331 * opts.c (parse_and_check_patch_area): New function.
17332 (common_handle_option): Use it.
17333 * opts.h (parse_and_check_patch_area): New function.
17334 * toplev.c (process_options): Parse and use
17335 function_entry_patch_area_size.
17337 2021-02-08 Martin Sebor <msebor@redhat.com>
17339 * doc/extend.texi (attribute malloc): Correct typos.
17341 2021-02-05 Nathan Sidwell <nathan@acm.org>
17344 * gcc.c (driver::maybe_run_linker): Check for input file
17345 accessibility if not linking.
17347 2021-02-05 Richard Biener <rguenther@suse.de>
17349 PR tree-optimization/98855
17350 * tree-vectorizer.h (add_stmt_cost): New overload.
17351 * tree-vect-slp.c (li_cost_vec_cmp): New.
17352 (vect_bb_slp_scalar_cost): Cost individual loop regions
17353 separately. Account for the scalar instance root stmt.
17355 2021-02-05 Tom de Vries <tdevries@suse.de>
17358 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
17360 (bit_test_cluster::emit): Reuse location_t for newly created
17362 (switch_decision_tree::try_switch_expansion): Preserve
17364 * tree-switch-conversion.h: Change function signatures.
17366 2021-02-05 Jakub Jelinek <jakub@redhat.com>
17369 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
17370 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
17371 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
17372 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
17374 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17376 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
17377 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
17378 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
17379 (vget_high_f16): Reimplement using new builtin.
17380 (vget_high_f32): Likewise.
17381 (vget_high_f64): Likewise.
17382 (vget_high_p8): Likewise.
17383 (vget_high_p16): Likewise.
17384 (vget_high_p64): Likewise.
17385 (vget_high_s8): Likewise.
17386 (vget_high_s16): Likewise.
17387 (vget_high_s32): Likewise.
17388 (vget_high_s64): Likewise.
17389 (vget_high_u8): Likewise.
17390 (vget_high_u16): Likewise.
17391 (vget_high_u32): Likewise.
17392 (vget_high_u64): Likewise.
17394 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17396 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
17397 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
17398 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
17399 (vget_low_f16): Reimplement using new builtin.
17400 (vget_low_f32): Likewise.
17401 (vget_low_f64): Likewise.
17402 (vget_low_p8): Likewise.
17403 (vget_low_p16): Likewise.
17404 (vget_low_p64): Likewise.
17405 (vget_low_s8): Likewise.
17406 (vget_low_s16): Likewise.
17407 (vget_low_s32): Likewise.
17408 (vget_low_s64): Likewise.
17409 (vget_low_u8): Likewise.
17410 (vget_low_u16): Likewise.
17411 (vget_low_u32): Likewise.
17412 (vget_low_u64): Likewise.
17414 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
17416 * gcc.c (print_multilib_info): Check all required argument is provided
17419 2021-02-05 liuhongt <hongtao.liu@intel.com>
17422 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
17423 generate integer mask comparison for 128/256-bits vector when
17424 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
17425 delete redundant !maskcmp condition.
17426 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
17428 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
17429 condition directly to if (maskcmp), add extra check for
17430 cmpmode, it should be MODE_INT.
17431 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
17432 parameters op_true/op_false.
17433 (ix86_use_mask_cmp_p): New.
17435 2021-02-05 liuhongt <hongtao.liu@intel.com>
17438 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
17439 Remove m_GENERIC from ~list.
17440 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
17442 2021-02-04 David Malcolm <dmalcolm@redhat.com>
17445 * diagnostic-show-locus.c (compatible_locations_p): Require
17446 locations in the same macro map to be either both from the
17447 macro definition, or both from the macro arguments.
17449 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
17451 * config/aarch64/aarch64-simd-builtins.def: Add
17452 [su]mull_hi_lane[q] builtin generator macros.
17453 * config/aarch64/aarch64-simd.md
17454 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
17455 (aarch64_<su>mull_hi_lane<mode>): Define.
17456 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
17457 (aarch64_<su>mull_hi_laneq<mode>): Define.
17458 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
17459 builtin instead of inline asm.
17460 (vmull_high_lane_s32): Likewise.
17461 (vmull_high_lane_u16): Likewise.
17462 (vmull_high_lane_u32): Likewise.
17463 (vmull_high_laneq_s16): Likewise.
17464 (vmull_high_laneq_s32): Likewise.
17465 (vmull_high_laneq_u16): Likewise.
17466 (vmull_high_laneq_u32): Liekwise.
17468 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
17470 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
17471 builtin generator macros.
17472 * config/aarch64/aarch64-simd.md
17473 (aarch64_<su>mull_hi_n<mode>_insn): Define.
17474 (aarch64_<su>mull_hi_n<mode>): Define.
17475 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
17476 instead of inline asm.
17477 (vmull_high_n_s32): Likewise.
17478 (vmull_high_n_u16): Likewise.
17479 (vmull_high_n_u32): Likewise.
17481 2021-02-04 Richard Biener <rguenther@suse.de>
17483 PR tree-optimization/98855
17484 * tree-vect-loop.c (vectorizable_phi): Do not cost
17485 single-argument PHIs.
17486 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
17487 * tree-vect-stmts.c (vectorizable_bswap): Also perform
17488 costing for SLP operation.
17490 2021-02-04 Martin Liska <mliska@suse.cz>
17492 * doc/extend.texi: Mention -mprefer-vector-width in target
17495 2021-02-03 Martin Sebor <msebor@redhat.com>
17497 PR tree-optimization/98937
17498 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
17499 Flush pointer_query cache.
17501 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
17503 * config/rs6000/genfusion.pl (gen_2logical): Add missing
17504 fixes based on patch review.
17505 * config/rs6000/fusion.md: Regenerate file.
17507 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
17509 * config/rs6000/t-rs6000: Comment out auto generation of
17512 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
17514 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
17515 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
17516 (output_file_start): Add gfx908.
17517 * config/gcn/gcn.opt (gpu_type): Add gfx908.
17518 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
17519 (MULTILIB_DIRNAMES): Add gfx908.
17520 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
17521 (main): Recognize gfx908.
17522 * config/gcn/t-omp-device: Add gfx908.
17524 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17526 * config/aarch64/aarch64-simd-builtins.def: Add
17527 [su]mlsl_hi_lane[q] builtin macro generators.
17528 * config/aarch64/aarch64-simd.md
17529 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
17530 (aarch64_<su>mlsl_hi_lane<mode>): Define.
17531 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
17532 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
17533 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
17534 builtin instead of inline asm.
17535 (vmlsl_high_lane_s32): Likewise.
17536 (vmlsl_high_lane_u16): Likewise.
17537 (vmlsl_high_lane_u32): Likewise.
17538 (vmlsl_high_laneq_s16): Likewise.
17539 (vmlsl_high_laneq_s32): Likewise.
17540 (vmlsl_high_laneq_u16): Likewise.
17541 (vmlsl_high_laneq_u32): Likewise.
17542 (vmlal_high_laneq_u32): Likewise.
17544 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17546 * config/aarch64/aarch64-simd-builtins.def: Add
17547 [su]mlal_hi_lane[q] builtin generator macros.
17548 * config/aarch64/aarch64-simd.md
17549 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
17550 (aarch64_<su>mlal_hi_lane<mode>): Define.
17551 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
17552 (aarch64_<su>mlal_hi_laneq<mode>): Define.
17553 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
17554 builtin instead of inline asm.
17555 (vmlal_high_lane_s32): Likewise.
17556 (vmlal_high_lane_u16): Likewise.
17557 (vmlal_high_lane_u32): Likewise.
17558 (vmlal_high_laneq_s16): Likewise.
17559 (vmlal_high_laneq_s32): Likewise.
17560 (vmlal_high_laneq_u16): Likewise.
17561 (vmlal_high_laneq_u32): Likewise.
17563 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17565 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
17566 builtin generator macros.
17567 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
17569 (aarch64_<su>mlsl_hi_n<mode>): Define.
17570 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
17571 instead of inline asm.
17572 (vmlsl_high_n_s32): Likewise.
17573 (vmlsl_high_n_u16): Likewise.
17574 (vmlsl_high_n_u32): Likewise.
17576 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17578 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
17579 builtin generator macros.
17580 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
17582 (aarch64_<su>mlal_hi_n<mode>): Define.
17583 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
17584 instead of inline asm.
17585 (vmlal_high_n_s32): Likewise.
17586 (vmlal_high_n_u16): Likewise.
17587 (vmlal_high_n_u32): Likewise.
17589 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
17591 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
17593 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
17595 (aarch64_<su>mlal_hi<mode>_insn): This.
17596 (aarch64_<su>mlal_hi<mode>): Define.
17597 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
17598 instead of inline asm.
17599 (vmlal_high_s16): Likewise.
17600 (vmlal_high_s32): Likewise.
17601 (vmlal_high_u8): Likewise.
17602 (vmlal_high_u16): Likewise.
17603 (vmlal_high_u32): Likewise.
17605 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
17607 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
17608 after calling alter_subreg() on a (mem).
17610 2021-02-03 Martin Liska <mliska@suse.cz>
17613 * lto-streamer-out.c (produce_lto_section): Fill up missing
17615 * lto-streamer.h (struct lto_section): Add _padding field.
17617 2021-02-03 Richard Biener <rguenther@suse.de>
17619 * lto-streamer.c (lto_get_section_name): Free temporary
17621 * tree-loop-distribution.c
17622 (loop_distribution::merge_dep_scc_partitions): Free edge data.
17624 2021-02-03 Jakub Jelinek <jakub@redhat.com>
17626 PR middle-end/97487
17627 * ifcvt.c (noce_can_force_operand): New function.
17628 (noce_emit_move_insn): Use it.
17629 (noce_try_sign_mask): Likewise. Formatting fix.
17631 2021-02-03 Jakub Jelinek <jakub@redhat.com>
17633 PR middle-end/97971
17634 * lra-constraints.c (process_alt_operands): For inline asm, don't call
17635 fatal_insn, but instead return false.
17637 2021-02-03 Jakub Jelinek <jakub@redhat.com>
17639 PR tree-optimization/98287
17640 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
17643 2021-02-03 Tamar Christina <tamar.christina@arm.com>
17645 PR tree-optimization/98928
17646 * tree-vect-loop.c (vect_analyze_loop_2): Change
17647 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
17648 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
17649 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
17650 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
17652 2021-02-02 Richard Biener <rguenther@suse.de>
17654 * gimple-loop-interchange.cc (prepare_data_references):
17656 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
17657 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
17658 * tree-vect-stmts.c (vectorizable_condition): Do not
17660 (vectorizable_comparison): Likewise.
17662 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17664 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
17665 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
17666 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
17667 (vrsqrteq_u32): Likewise.
17669 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17671 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
17672 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
17673 (aarch64_sqxtun2<mode>_be): Likewise.
17674 (aarch64_sqxtun2<mode>): Likewise.
17675 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
17676 (vqmovun_high_s32): Likewise.
17677 (vqmovun_high_s64): Likewise.
17678 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
17680 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17682 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
17684 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
17686 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17688 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
17689 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
17690 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
17691 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
17692 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
17693 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
17694 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
17695 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
17697 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17699 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
17700 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
17701 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
17703 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17705 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
17706 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
17708 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17710 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
17711 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
17712 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
17713 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
17714 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
17715 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
17716 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
17717 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
17718 NONE builtin flags.
17720 2021-02-02 Jakub Jelinek <jakub@redhat.com>
17722 PR tree-optimization/98848
17723 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
17724 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
17726 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
17729 * expr.c: Check mode before calling store_expr.
17731 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
17733 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
17735 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
17736 instruction using expression ior.
17737 (mve_vornq_u<mode>): New expander.
17738 (mve_vornq_f<mode>): Use ior code instead of unspec.
17739 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
17741 2021-02-02 Alexandre Oliva <oliva@adacore.com>
17743 * tree-nested.c (convert_nonlocal_reference_op): Move
17744 current_function_decl restore after re-gimplification.
17745 (convert_local_reference_op): Likewise.
17747 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17749 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
17751 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
17753 (aarch64_rshrn<mode>_insn_be): Likewise.
17754 (aarch64_rshrn<mode>): Likewise.
17755 (aarch64_rshrn2<mode>_insn_le): Likewise.
17756 (aarch64_rshrn2<mode>_insn_be): Likewise.
17757 (aarch64_rshrn2<mode>): Likewise.
17758 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
17759 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
17761 (vrshrn_high_n_s32): Likewise.
17762 (vrshrn_high_n_s64): Likewise.
17763 (vrshrn_high_n_u16): Likewise.
17764 (vrshrn_high_n_u32): Likewise.
17765 (vrshrn_high_n_u64): Likewise.
17766 (vrshrn_n_s16): Likewise.
17767 (vrshrn_n_s32): Likewise.
17768 (vrshrn_n_s64): Likewise.
17769 (vrshrn_n_u16): Likewise.
17770 (vrshrn_n_u32): Likewise.
17771 (vrshrn_n_u64): Likewise.
17773 2021-02-01 Sergei Trofimovich <siarheit@google.com>
17775 PR tree-optimization/98499
17776 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
17777 conservatively and assume all possible side-effects.
17779 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17781 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
17782 vec_unpacku_hi_): Define builtins.
17783 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
17785 (vmovl_high_s16): Likewise.
17786 (vmovl_high_s32): Likewise.
17787 (vmovl_high_u8): Likewise.
17788 (vmovl_high_u16): Likewise.
17789 (vmovl_high_u32): Likewise.
17791 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17793 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
17795 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
17797 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
17799 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
17801 (vabdl_s16): Likewise.
17802 (vabdl_s32): Likewise.
17803 (vabdl_u8): Likewise.
17804 (vabdl_u16): Likewise.
17805 (vabdl_u32): Likewise.
17806 * config/aarch64/iterators.md (ABDL): New int iterator.
17807 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
17809 2021-02-01 Martin Sebor <msebor@redhat.com>
17811 * tree.h (BLOCK_VARS): Add comment.
17812 (BLOCK_SUBBLOCKS): Same.
17813 (BLOCK_SUPERCONTEXT): Same.
17814 (BLOCK_ABSTRACT_ORIGIN): Same.
17815 (inlined_function_outer_scope_p): Same.
17817 2021-02-01 Martin Sebor <msebor@redhat.com>
17819 PR middle-end/97172
17820 * attribs.c (attr_access::free_lang_data): Define new function.
17821 * attribs.h (attr_access::free_lang_data): Declare new function.
17823 2021-02-01 Richard Biener <rguenther@suse.de>
17825 * vec.h (auto_vec::auto_vec): Add memory stat parameters
17827 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
17829 2021-02-01 Tamar Christina <tamar.christina@arm.com>
17831 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
17832 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
17834 2021-02-01 Richard Biener <rguenther@suse.de>
17836 PR rtl-optimization/98863
17837 * config/i386/i386-features.c (convert_scalars_to_vector):
17838 Set DF_RD_PRUNE_DEAD_DEFS.
17840 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
17842 * system.h (SIZE_MAX): Define if not already defined.
17844 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
17846 * config/rs6000/genfusion.pl (gen_2logical): New function to
17847 generate patterns for logical-logical fusion.
17848 * config/rs6000/fusion.md: Regenerated patterns.
17849 * config/rs6000/rs6000-cpus.def: Add
17850 OPTION_MASK_P10_FUSION_2LOGICAL.
17851 * config/rs6000/rs6000.c (rs6000_option_override_internal):
17852 Enable logical-logical fusion for p10.
17853 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
17855 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
17857 * config/rs6000/rs6000.opt: Add periods to new AIX options.
17859 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
17861 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
17862 (mabi=vec-default): New.
17863 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
17864 __EXTABI__ for AIX Vector extended ABI.
17865 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
17867 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
17869 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
17871 2021-01-30 Jakub Jelinek <jakub@redhat.com>
17873 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
17874 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
17876 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
17879 * lra-constraints.c (in_class_p): Don't narrow class only for REG
17882 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
17884 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
17885 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
17886 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
17888 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
17890 PR tree-optimization/98866
17891 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
17892 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
17893 (gori_map::m_maybe_invariant): Rename from all_outgoing.
17894 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
17895 (gori_map::is_export_p): Ditto.
17896 (gori_map::calculate_gori): Ditto.
17897 (gori_compute::set_range_invariant): New.
17898 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
17899 invariant for pointers evaluating to [1, +INF].
17901 2021-01-29 Richard Biener <rguenther@suse.de>
17903 PR rtl-optimization/98863
17904 * config/i386/i386-features.c (remove_partial_avx_dependency):
17905 Do not perform DF analysis.
17906 (pass_data_remove_partial_avx_dependency): Remove
17909 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
17911 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
17912 builtin generator macros.
17913 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
17915 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
17916 instead of inline asm.
17917 (vmull_n_s32): Likewise.
17918 (vmull_n_u16): Likewise.
17919 (vmull_n_u32): Likewise.
17921 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17923 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
17925 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
17927 (aarch64_<sur>abdl2<mode>): ... This.
17928 (<sur>sadv16qi): Adjust use of above.
17929 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
17931 (vabdl_high_s16): Likewise.
17932 (vabdl_high_s32): Likewise.
17933 (vabdl_high_u8): Likewise.
17934 (vabdl_high_u16): Likewise.
17935 (vabdl_high_u32): Likewise.
17937 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17939 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
17941 (uabal2): Likewise.
17942 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
17944 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
17946 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
17948 (vabal_high_s16): Likewise.
17949 (vabal_high_s32): Likewise.
17950 (vabal_high_u8): Likewise.
17951 (vabal_high_u16): Likewise.
17952 (vabal_high_u32): Likewise.
17953 * config/aarch64/iterators.md (ABAL2): New mode iterator.
17954 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
17956 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17958 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
17961 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
17963 (aarch64_<sur>abal<mode>): ... This
17964 (<sur>sadv16qi): Adust use of the above.
17965 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
17967 (vabal_s16): Likewise.
17968 (vabal_s32): Likewise.
17969 (vabal_u8): Likewise.
17970 (vabal_u16): Likewise.
17971 (vabal_u32): Likewise.
17973 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17975 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
17977 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
17979 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
17981 (vaddlv_s16): Likewise.
17982 (vaddlv_u8): Likewise.
17983 (vaddlv_u16): Likewise.
17984 (vaddlvq_s8): Likewise.
17985 (vaddlvq_s16): Likewise.
17986 (vaddlvq_s32): Likewise.
17987 (vaddlvq_u8): Likewise.
17988 (vaddlvq_u16): Likewise.
17989 (vaddlvq_u32): Likewise.
17990 (vaddlv_s32): Likewise.
17991 (vaddlv_u32): Likewise.
17992 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
17993 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
17994 (Vwstype): New mode attribute.
17996 (VWIDE_S): Likewise.
17997 (USADDLV): New int iterator.
17998 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
18000 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
18002 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
18003 builtin generator macros.
18004 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
18006 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
18007 instead of inline asm.
18008 (vmlsl_lane_s32): Likewise.
18009 (vmlsl_lane_u16): Likewise.
18010 (vmlsl_lane_u32): Likewise.
18011 (vmlsl_laneq_s16): Likewise.
18012 (vmlsl_laneq_s32): Likewise.
18013 (vmlsl_laneq_u16): Likewise.
18014 (vmlsl_laneq_u32): Likewise.
18016 2021-01-29 Richard Biener <rguenther@suse.de>
18018 * doc/invoke.texi (--param max-gcse-memory): Document unit
18020 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
18021 * params.opt (--param max-gcse-memory): Adjust default and
18022 document unit of size.
18024 2021-01-29 Richard Biener <rguenther@suse.de>
18026 PR rtl-optimization/98863
18027 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
18028 HOST_WIDE_INT for the memory estimate.
18030 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
18031 Richard Biener <rguenther@suse.de>
18033 PR tree-optimization/97627
18034 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
18035 Do not analyze fake edges.
18037 2021-01-29 Richard Biener <rguenther@suse.de>
18039 PR rtl-optimization/98144
18040 * df.h (df_mir_bb_info): Add con_visited member.
18041 * df-problems.c (df_mir_alloc): Initialize con_visited,
18042 do not fully populate IN and OUT.
18043 (df_mir_reset): Likewise.
18044 (df_mir_confluence_0): Set con_visited.
18045 (df_mir_confluence_n): Properly handle implicitely
18046 fully populated IN and OUT as designated by con_visited
18047 and update con_visited accordingly.
18049 2021-01-29 Jakub Jelinek <jakub@redhat.com>
18052 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
18053 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
18054 && !TARGET_REALLY_IWMMXT to conditions.
18056 2021-01-29 Jakub Jelinek <jakub@redhat.com>
18059 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
18062 2021-01-28 Marek Polacek <polacek@redhat.com>
18065 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
18066 the main variant, maybe reset it in its variants too.
18067 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
18068 (check_aligned_type): Check if TYPE_USER_ALIGN match.
18070 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
18073 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
18074 of constant zero for comparisons.
18076 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
18078 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
18079 support for mapping built-in function names for long double
18080 built-in functions if long double is IEEE 128-bit.
18082 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
18084 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
18085 builtin generator macros.
18086 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
18088 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
18089 instead of inline asm.
18090 (vmlsl_n_s32): Likewise.
18091 (vmlsl_n_u16): Likewise.
18092 (vmlsl_n_u32): Likewise.
18094 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
18096 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
18097 builtin generator macros.
18098 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
18100 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
18101 instead of inline asm.
18102 (vmlal_n_s32): Likewise.
18103 (vmlal_n_u16): Likewise.
18104 (vmlal_n_u32): Likewise.
18106 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18108 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
18110 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
18112 (aarch64_shrn2<mode>_insn_be): Likewise.
18113 (aarch64_shrn2<mode>): Likewise.
18114 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
18116 (vshrn_high_n_s32): Likewise.
18117 (vshrn_high_n_s64): Likewise.
18118 (vshrn_high_n_u16): Likewise.
18119 (vshrn_high_n_u32): Likewise.
18120 (vshrn_high_n_u64): Likewise.
18122 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18124 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
18126 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
18128 (aarch64_shrn<mode>_insn_be): Likewise.
18129 (aarch64_shrn<mode>): Likewise.
18130 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
18132 (vshrn_n_s32): Likewise.
18133 (vshrn_n_s64): Likewise.
18134 (vshrn_n_u16): Likewise.
18135 (vshrn_n_u32): Likewise.
18136 (vshrn_n_u64): Likewise.
18137 * config/aarch64/iterators.md (vn_mode): New mode attribute.
18139 2021-01-28 Richard Biener <rguenther@suse.de>
18141 PR rtl-optimization/80960
18142 * dse.c (check_mem_read_rtx): Call get_addr on the
18145 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
18146 David Edelsohn <dje.gcc@gmail.com>
18149 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18150 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
18152 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
18154 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
18155 wrapper call rs6000_expand_vector_set_var for cleanup. Call
18156 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
18158 (rs6000_expand_vector_set_var): Delete.
18159 (rs6000_expand_vector_set_var_p9): Make static.
18160 (rs6000_expand_vector_set_var_p8): Make static.
18162 2021-01-28 Xing GUO <higuoxing@gmail.com>
18164 * common/config/riscv/riscv-common.c
18165 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
18166 when `p` extension exists.
18168 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
18170 PR rtl-optimization/97684
18171 * ira.c (ira): Call ira_set_pseudo_classes before
18172 update_equiv_regs when it is necessary.
18174 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18177 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
18178 %w0, %w1 and %2 instead of %0, %1 and %2.
18180 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
18182 * config/rs6000/genfusion.pl: New script to generate
18183 define_insn_and_split patterns so combine can arrange fused
18184 instructions next to each other.
18185 * config/rs6000/fusion.md: New file, generated fused instruction
18186 patterns for combine.
18187 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
18188 (non_update_memory_operand): New predicate.
18189 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
18190 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
18192 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
18194 * config/rs6000/rs6000.c (rs6000_option_override_internal):
18195 Automatically set OPTION_MASK_P10_FUSION and
18196 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
18197 (rs600_opt_masks): Allow -mpower10-fusion
18198 in function attributes.
18199 (address_is_non_pfx_d_or_x): New function.
18200 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
18201 * config/rs6000/rs6000.md: Include fusion.md.
18202 * config/rs6000/rs6000.opt: Add -mpower10-fusion
18203 and -mpower10-fusion-ld-cmpi.
18204 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
18206 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18208 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
18209 builtin generator macros.
18210 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
18212 (aarch64_<su>mlal<mode>): This.
18213 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
18214 instead of inline asm.
18215 (vmlal_s16): Likewise.
18216 (vmlal_s32): Likewise.
18217 (vmlal_u8): Likewise.
18218 (vmlal_u16): Likewise.
18219 (vmlal_u32): Likewise.
18221 2021-01-27 Richard Biener <rguenther@suse.de>
18223 PR tree-optimization/98854
18224 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
18225 PHIs from scalars when the number of CTORs matches the
18226 number of children.
18228 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18230 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
18232 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
18234 (aarch64_mls_n<mode>): This.
18235 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
18237 (vmls_n_s32): Likewise.
18238 (vmls_n_u16): Likewise.
18239 (vmls_n_u32): Likewise.
18240 (vmlsq_n_s16): Likewise.
18241 (vmlsq_n_s32): Likewise.
18242 (vmlsq_n_u16): Likewise.
18243 (vmlsq_n_u32): Likewise.
18245 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18247 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
18249 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
18251 (vmls_s16): Likewise.
18252 (vmls_s32): Likewise.
18253 (vmls_u8): Likewise.
18254 (vmls_u16): Likewise.
18255 (vmls_u32): Likewise.
18256 (vmlsq_s8): Likewise.
18257 (vmlsq_s16): Likewise.
18258 (vmlsq_s32): Likewise.
18259 (vmlsq_u8): Likewise.
18260 (vmlsq_u16): Likewise.
18261 (vmlsq_u32): Likewise.
18263 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18265 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
18267 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
18269 (aarch64_mla_n<mode>): This.
18270 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
18272 (vmla_n_s32): Likewise.
18273 (vmla_n_u16): Likewise.
18274 (vmla_n_u32): Likewise.
18275 (vmlaq_n_s16): Likewise.
18276 (vmlaq_n_s32): Likewise.
18277 (vmlaq_n_u16): Likewise.
18278 (vmlaq_n_u32): Likewise.
18280 2021-01-27 liuhongt <hongtao.liu@intel.com>
18283 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
18284 (*sse2_eq<mode>3): Ditto.
18286 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18288 * tree-pass.h (PROP_trees): Rename to ...
18289 (PROP_gimple): ... this.
18290 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
18291 * passes.c (execute_function_dump, execute_function_todo,
18292 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
18293 * varpool.c (ctor_for_folding): Likewise.
18295 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18297 PR tree-optimization/97260
18298 * varpool.c: Include tree-pass.h.
18299 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
18300 non-TREE_SIDE_EFFECTS automatic variables.
18302 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
18304 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
18306 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
18307 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
18308 (gen_compile_unit_die): Recognise C++23.
18310 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18313 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
18316 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18319 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
18320 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
18321 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
18323 2021-01-26 Richard Biener <rguenther@suse.de>
18325 * gimple-pretty-print.c (dump_binary_rhs): Handle
18326 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
18328 2021-01-26 Richard Biener <rguenther@suse.de>
18330 PR middle-end/98726
18331 * tree.h (vector_cst_int_elt): Remove.
18332 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
18335 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
18337 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
18338 for V64DFmode min/max reductions.
18340 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18342 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
18343 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
18344 two halves, one with x and the other with const0_rtx, ordered
18345 depending on endianity.
18347 2021-01-26 Alexandre Oliva <oliva@adacore.com>
18349 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
18350 temporaries not seen in binding block, and not about to be
18351 added as gimple variables.
18353 2021-01-25 Martin Sebor <msebor@redhat.com>
18356 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
18358 2021-01-25 Martin Liska <mliska@suse.cz>
18360 * value-prof.c (get_nth_most_common_value): Use %s instead
18363 2021-01-25 Jakub Jelinek <jakub@redhat.com>
18366 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
18367 readelf -wi is able to read the emitted .debug_info back.
18368 * configure: Regenerated.
18370 2021-01-25 Martin Liska <mliska@suse.cz>
18372 PR gcov-profile/98739
18373 * common.opt: Add missing sign symbol.
18374 * value-prof.c (get_nth_most_common_value): Restore handling
18375 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
18376 PROFILE_REPRODUCIBILITY_MULTITHREADED.
18378 2021-01-25 Richard Biener <rguenther@suse.de>
18380 PR middle-end/98807
18381 * tree.c (vector_element_bits): Always use precision of
18382 the element type for boolean vectors.
18384 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
18386 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
18387 (ENDFILE_SPEC): Evaluate qnolinkcmds.
18389 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
18391 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
18392 nostartfiles handling since this is already done by
18393 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
18394 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
18395 is already done by LINK_COMMAND_SPEC.
18396 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
18397 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
18400 2021-01-25 Jakub Jelinek <jakub@redhat.com>
18403 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
18404 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
18405 value rather than host size_t.
18406 (fold_const_call): Change type of s2 from size_t to
18407 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
18408 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
18409 instead of s2 as last argument.
18411 2021-01-25 Tamar Christina <tamar.christina@arm.com>
18413 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
18414 VCMLA_OP, VCMUL_OP): New.
18415 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
18416 * config/arm/neon.md (cmul<conj_op><mode>3): New.
18417 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
18418 UNSPEC_VCMUL_CONJ): New.
18419 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
18420 cml<fcmac1><conj_op><mode>4): New.
18422 2021-01-23 Jakub Jelinek <jakub@redhat.com>
18425 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
18427 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
18429 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
18431 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
18433 (vmla_s16): Likewise.
18434 (vmla_s32): Likewise.
18435 (vmla_u8): Likewise.
18436 (vmla_u16): Likewise.
18437 (vmla_u32): Likewise.
18438 (vmlaq_s8): Likewise.
18439 (vmlaq_s16): Likewise.
18440 (vmlaq_s32): Likewise.
18441 (vmlaq_u8): Likewise.
18442 (vmlaq_u16): Likewise.
18443 (vmlaq_u32): Likewise.
18445 2021-01-22 David Malcolm <dmalcolm@redhat.com>
18447 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
18450 2021-01-22 Jakub Jelinek <jakub@redhat.com>
18453 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
18454 filenames to emit, still emit the required 0 index directory and
18455 filename entries that match DW_AT_comp_dir and DW_AT_name of the
18458 2021-01-22 Marek Polacek <polacek@redhat.com>
18461 * doc/invoke.texi: Update C++ ABI Version 15 description.
18463 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18465 PR tree-optimization/98766
18466 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
18467 comparing against type size with param_avoid_fma_max_bits.
18469 2021-01-22 Richard Biener <rguenther@suse.de>
18471 PR middle-end/98793
18472 * tree.c (vector_element_bits): Key single-bit bool vector on
18473 integer mode rather than not vector mode.
18475 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
18478 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18479 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
18481 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
18482 to call different path for P8 and P9.
18483 (rs6000_expand_vector_set_var_p9): New function.
18484 (rs6000_expand_vector_set_var_p8): New function.
18486 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
18490 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18491 Ajdust variable index vec_insert from address dereference to
18492 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
18493 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
18495 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
18497 2021-01-22 Martin Liska <mliska@suse.cz>
18499 PR gcov-profile/98739
18500 * profile.c (compute_value_histograms): Drop time profile for
18501 -fprofile-reproducible=multithreaded.
18503 2021-01-22 Nathan Sidwell <nathan@acm.org>
18505 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
18508 2021-01-22 Richard Biener <rguenther@suse.de>
18510 PR middle-end/98773
18511 * tree-data-ref.c (initalize_matrix_A): Revert previous
18512 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
18514 2021-01-22 Jakub Jelinek <jakub@redhat.com>
18516 PR tree-optimization/90248
18517 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
18518 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
18520 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
18521 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
18523 2021-01-22 Jakub Jelinek <jakub@redhat.com>
18525 PR tree-optimization/98255
18526 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
18527 extend index - low_bound from sizetype's precision rather than index
18529 (get_addr_base_and_unit_offset_1): Likewise.
18530 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
18531 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
18533 2021-01-22 Richard Biener <rguenther@suse.de>
18535 PR tree-optimization/98786
18536 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
18537 adding new uses of abnormals. Verify we deal with a conditional
18540 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
18543 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
18545 2021-01-22 liuhongt <hongtao.liu@intel.com>
18549 * config/i386/sse.md (VI_128_256): New mode iterator.
18550 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
18551 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
18552 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
18553 define_insn_and_split to lower avx512 vector comparison to avx
18554 version when dest is vector.
18555 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
18556 define_insn_and_split for negating the comparison result.
18557 * config/i386/predicates.md (float_vector_all_ones_operand):
18559 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
18560 general NOT operator without UNSPEC_MASKOP.
18562 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
18564 PR rtl-optimization/98777
18565 * lra-int.h (lra_pmode_pseudo): New extern.
18566 * lra.c (lra_pmode_pseudo): New global.
18568 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
18570 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
18572 * fwprop.c (fwprop_propagation::classify_result): Allow
18573 (subreg (mem)) simplifications.
18575 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18577 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
18579 (aarch64_sqdmlal<mode>): ... This...
18580 (aarch64_sqdmlsl<mode>): ... And this.
18581 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
18582 (aarch64_sqdmlal_lane<mode>): ... This...
18583 (aarch64_sqdmlsl_lane<mode>): ... And this.
18584 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
18585 (aarch64_sqdmlsl_laneq<mode>): ... This...
18586 (aarch64_sqdmlal_laneq<mode>): ... And this.
18587 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
18588 (aarch64_sqdmlsl_n<mode>): ... This...
18589 (aarch64_sqdmlal_n<mode>): ... And this.
18590 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
18591 (aarch64_sqdmlal2<mode>_internal): ... This...
18592 (aarch64_sqdmlsl2<mode>_internal): ... And this.
18594 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
18596 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
18598 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
18601 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
18603 2021-01-21 liuhongt <hongtao.liu@intel.com>
18605 PR rtl-optimization/98694
18606 * regcprop.c (copy_value): If SRC had been assigned a mode
18607 narrower than the copy, we can't link DEST into the chain even
18608 they have same hard_regno_nregs(i.e. HImode/SImode in i386
18611 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18613 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
18614 Convert to define_insn_and_split. Split into simple move when moving
18617 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
18619 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
18620 Adjust comment. Simplify code.
18622 2021-01-20 Jakub Jelinek <jakub@redhat.com>
18625 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
18626 with DW_FORM_line_strp form.
18627 (prune_unused_types_update_strings): Don't add into debug_str_hash
18628 indirect strings with DW_FORM_line_strp form.
18629 (adjust_name_comp_dir): New function.
18630 (dwarf2out_finish): Call it on CU DIEs after resetting
18631 debug_line_str_hash.
18633 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
18635 PR rtl-optimization/98722
18636 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
18637 has no 3-op add insn to transform insns containing two pluses.
18639 2021-01-20 Richard Biener <rguenther@suse.de>
18641 * hwint.h (add_hwi): New function.
18642 (mul_hwi): Likewise.
18643 * tree-data-ref.c (initialize_matrix_A): Properly translate
18644 tree constants and avoid HOST_WIDE_INT_MIN.
18645 (lambda_matrix_row_add): Avoid undefined integer overflow
18646 and return true on such overflow.
18647 (lambda_matrix_right_hermite): Handle overflow from
18648 lambda_matrix_row_add gracefully. Simplify previous fix.
18649 (analyze_subscript_affine_affine): Likewise.
18651 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
18653 PR tree-optimization/96674
18654 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
18655 x >= y && y != XXX_MIN --> x > y - 1
18657 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
18659 PR tree-optimization/98535
18660 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
18661 If the high and low permutes are the same, remove the high permutes
18662 from the working set and only continue with the low ones.
18664 2021-01-20 Jakub Jelinek <jakub@redhat.com>
18666 PR tree-optimization/98721
18667 * builtins.c (access_ref::inform_access): Don't assume
18668 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
18669 object whenever allocfn is NULL, rather than only when DECL_P
18670 is true. Use %qE instead of %qD for that. Formatting fixes.
18672 2021-01-20 Richard Biener <rguenther@suse.de>
18674 PR tree-optimization/98758
18675 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
18676 (lambda_matrix_right_hermite): Avoid undefinedness with
18677 signed integer abs and multiplication.
18678 (analyze_subscript_affine_affine): Use lambda_int.
18680 2021-01-20 David Malcolm <dmalcolm@redhat.com>
18683 * dwarf2out.c (output_line_info): Rename static variable
18684 "generation", moving it out of the function to...
18685 (output_line_info_generation): New.
18686 (init_sections_and_labels): Likewise, renaming the variable to...
18687 (init_sections_and_labels_generation): New.
18688 (dwarf2out_c_finalize): Reset the new variables.
18690 2021-01-19 Martin Sebor <msebor@redhat.com>
18692 PR middle-end/98664
18693 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
18694 all functions, even if they're not declared artificial or inline.
18695 * tree.c (tree_inlined_location): Use macro expansion location
18696 only if scope traversal fails to expose one.
18698 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
18700 PR rtl-optimization/92294
18701 * alias.c (compare_base_symbol_refs): Take an extra parameter
18702 and add the distance between two symbols to it. Enshrine in
18703 comments that -1 means "either 0 or 1, but we can't tell
18704 which at compile time".
18705 (memrefs_conflict_p): Update call accordingly.
18706 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
18709 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18711 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
18712 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
18713 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
18714 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
18715 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
18716 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
18717 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
18718 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
18719 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
18720 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
18721 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
18722 sqmovun): Use NONE flags.
18724 2021-01-19 Richard Biener <rguenther@suse.de>
18727 * ipa-modref.c (analyze_stmt): Only record a summary for a
18730 2021-01-19 Richard Biener <rguenther@suse.de>
18732 PR middle-end/98638
18733 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
18735 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
18737 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
18738 built-in define __FIX_LEON3FT_TN0018.
18740 2021-01-19 Richard Biener <rguenther@suse.de>
18743 * tree-inline.c (tree_function_versioning): Set input_location
18744 to UNKNOWN_LOCATION throughout the function.
18746 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
18749 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
18751 2021-01-19 Martin Jambor <mjambor@suse.cz>
18754 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
18755 whether non-call exceptions allow removal of a statement.
18756 (isra_analyze_call): Pass the appropriate function to
18757 ssa_name_only_returned_p.
18759 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
18761 * config/riscv/arch-canonicalize (longext_sort): New function for
18762 sorting 'multi-letter'.
18763 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
18764 'alts'. The 'arch' may not be the first of 'alts'.
18765 (_expand_combination): Add underline for the 'ext' without '*'.
18766 This is because, a single-letter extension can always be treated well
18767 with a '_' prefix, but it cannot be separated out if it is appended
18770 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
18773 * ira.c (ira): Skip abnormal critical edge splitting.
18775 2021-01-18 Jakub Jelinek <jakub@redhat.com>
18777 PR tree-optimization/98727
18778 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
18779 second .MUL_OVERFLOW operand for signed multiplication with overflow
18780 checking if the second operand of multiplication is not constant.
18782 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
18784 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
18785 defaults to version 4.
18787 2021-01-18 David Malcolm <dmalcolm@redhat.com>
18789 * attribs.h (fndecl_dealloc_argno): New decl.
18790 * builtins.c (call_dealloc_argno): Split out second half of
18792 (fndecl_dealloc_argno): New.
18793 * doc/extend.texi (Common Function Attributes): Document the
18794 interaction between the analyzer and the malloc attribute.
18795 * doc/invoke.texi (Static Analyzer Options): Likewise.
18797 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
18799 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
18800 dwarf_version to 4.
18801 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18803 2021-01-17 Martin Jambor <mjambor@suse.cz>
18806 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
18809 2021-01-17 Mark Wielaard <mark@klomp.org>
18811 * common.opt (gdwarf-): Init(5).
18812 * doc/invoke.texi (-gdwarf): Document default to 5.
18814 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
18816 * builtin-types.def
18817 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
18819 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
18820 ...this. Add extra argument.
18821 * gimplify.c (omp_default_clause): Ensure that event handle is
18822 firstprivate in a task region.
18823 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
18824 (gimplify_adjust_omp_clauses): Likewise.
18825 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
18826 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
18827 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
18828 if detach clause specified. Add detach argument when generating
18830 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
18832 (finish_taskreg_scan): Move field for variable containing the event
18833 handle to the front of the struct.
18834 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
18836 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
18837 OMP_CLAUSE_DETACH clause.
18838 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
18839 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
18840 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
18842 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
18844 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
18846 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
18848 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
18849 multilib directory names. Use MULTILIB_REQUIRED instead of
18850 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
18851 -mcustom-fpu-cfg=fph2 multilib.
18853 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
18855 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
18856 (nios2_init_fpu_configs): Provide register values for new
18857 -mcustom-fpu-cfg=fph2 option variant.
18858 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
18861 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
18863 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
18864 custom instruction warnings.
18866 2021-01-16 Jakub Jelinek <jakub@redhat.com>
18868 PR tree-optimization/96669
18869 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
18871 2021-01-16 Jakub Jelinek <jakub@redhat.com>
18873 PR tree-optimization/96271
18874 * passes.def: Pass false argument to first two pass_cd_dce
18875 instances and true to last instance. Add comment that
18876 last instance rewrites no longer addressed locals.
18877 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
18879 (pass_cd_dce::set_pass_param): New method.
18880 (pass_cd_dce::execute): Return TODO_update_address_taken from
18881 last cd_dce instance.
18883 2021-01-15 Carl Love <cel@us.ibm.com>
18885 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
18887 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
18888 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
18889 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
18890 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
18891 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
18892 Add builtin define.
18893 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
18894 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
18895 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
18896 New overloaded definitions.
18897 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
18898 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
18899 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
18900 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
18901 P10V_BUILTIN_MULHU_V4SI]: Add case
18902 statement for builtins.
18903 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
18904 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
18905 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
18906 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
18907 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
18908 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
18909 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
18910 Add define_insn, mode is VIlong.
18911 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
18912 Add builtin descriptions.
18914 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
18916 * final.c (final_start_function_1): Reset force_source_line.
18918 2021-01-15 Jakub Jelinek <jakub@redhat.com>
18920 PR tree-optimization/96669
18921 * match.pd (((1 << A) & 1) != 0 -> A == 0,
18922 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
18923 possibly different power of two constants and to right shift too.
18925 2021-01-15 Jakub Jelinek <jakub@redhat.com>
18927 PR tree-optimization/96681
18928 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
18929 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
18930 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
18931 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
18933 2021-01-15 Alexandre Oliva <oliva@adacore.com>
18935 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
18937 2021-01-15 Tamar Christina <tamar.christina@arm.com>
18939 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
18940 cmul<conj_op><mode>3): New.
18941 * config/aarch64/iterators.md (UNSPEC_FCMUL,
18942 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
18943 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
18944 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
18945 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
18946 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
18947 (rot_op): Renamed to conj_op.
18948 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
18949 cmul<conj_op><mode>3): New.
18950 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
18951 cmul<conj_op><mode>3): New.
18953 2021-01-15 David Malcolm <dmalcolm@redhat.com>
18957 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
18958 Escape the tempfile name when constructing the expected output.
18960 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18962 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
18964 (aarch64_<su>mlsl_hi<mode>): ... This.
18965 (aarch64_<su>mlsl_hi<mode>): Define.
18966 (*aarch64_<su>mlsl<mode): Rename to...
18967 (aarch64_<su>mlsl<mode): ... This.
18968 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
18969 smlsl_hi, umlsl_hi): Define builtins.
18970 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
18971 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
18972 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
18973 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
18975 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
18977 * config/i386/i386-c.c (ix86_target_macros):
18978 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
18980 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
18983 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
18984 * Makefile.in (RTL_SSA_H): New variable.
18985 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
18986 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
18987 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
18989 * config/aarch64/aarch64-cc-fusion.cc: New file.
18991 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
18993 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
18994 calling cancel_changes for changes that no longer exist.
18996 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
18998 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
18999 (function_info::reg_defs): ...this.
19000 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
19001 (function_info::reg_defs): ...this.
19003 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19006 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19008 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19011 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19014 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19016 2021-01-15 Richard Biener <rguenther@suse.de>
19018 PR tree-optimization/96376
19019 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
19020 for VMAT_INVARIANT.
19022 2021-01-15 Martin Liska <mliska@suse.cz>
19024 * doc/install.texi: Document that some tests need pytest module.
19025 * doc/sourcebuild.texi: Likewise.
19027 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19030 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19032 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19034 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
19035 (mve_vshrq_n_u<mode>_imm): Likewise.
19036 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
19037 * config/arm/vec-common.md: ... here.
19039 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19041 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
19043 * config/arm/neon.md (vashl<mode>3): Delete.
19044 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
19045 (vasl<mode>3): New expander.
19047 2021-01-15 Richard Biener <rguenther@suse.de>
19049 PR tree-optimization/98685
19050 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
19051 of vector extern defs.
19053 2021-01-14 David Malcolm <dmalcolm@redhat.com>
19056 * diagnostic.c (diagnostic_kind_text): Break out this array
19058 (diagnostic_build_prefix): ...here.
19059 (fancy_abort): Detect when diagnostic_initialize has not yet been
19060 called and fall back to a minimal implementation of printing the
19061 ICE, rather than segfaulting in internal_error.
19063 2021-01-14 David Malcolm <dmalcolm@redhat.com>
19065 * diagnostic.c (diagnostic_initialize): Eliminate
19066 parseable_fixits_p in favor of initializing extra_output_kind from
19067 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
19068 (convert_column_unit): New function, split out from...
19069 (diagnostic_converted_column): ...this.
19070 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
19071 Use them to call convert_column_unit on the column values.
19072 (diagnostic_report_diagnostic): Eliminate conditional on
19073 parseable_fixits_p in favor of a switch statement on
19074 extra_output_kind, passing the appropriate values to the new
19075 params of print_parseable_fixits.
19076 (selftest::test_print_parseable_fixits_none): Update for new
19077 params of print_parseable_fixits.
19078 (selftest::test_print_parseable_fixits_insert): Likewise.
19079 (selftest::test_print_parseable_fixits_remove): Likewise.
19080 (selftest::test_print_parseable_fixits_replace): Likewise.
19081 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
19083 (selftest::diagnostic_c_tests): Call it.
19084 * diagnostic.h (enum diagnostics_extra_output_kind): New.
19085 (diagnostic_context::parseable_fixits_p): Delete field in favor
19087 (diagnostic_context::extra_output_kind): ...this new field.
19088 * doc/invoke.texi (Environment Variables): Add
19089 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
19090 * opts.c (common_handle_option): Update handling of
19091 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
19094 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19096 * tree-vect-slp-patterns.c (class complex_operations_pattern,
19097 complex_operations_pattern::matches,
19098 complex_operations_pattern::recognize,
19099 complex_operations_pattern::build): New.
19100 (slp_patterns): Use it.
19102 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19104 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
19105 * optabs.def (cmls_optab, cmls_conj_optab): New.
19106 * doc/md.texi: Document them.
19107 * tree-vect-slp-patterns.c (class complex_fms_pattern,
19108 complex_fms_pattern::matches, complex_fms_pattern::recognize,
19109 complex_fms_pattern::build): New.
19111 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19113 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
19114 * optabs.def (cmla_optab, cmla_conj_optab): New.
19115 * doc/md.texi: Document them.
19116 * tree-vect-slp-patterns.c (vect_match_call_p,
19117 class complex_fma_pattern, vect_slp_reset_pattern,
19118 complex_fma_pattern::matches, complex_fma_pattern::recognize,
19119 complex_fma_pattern::build): New.
19121 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19123 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
19124 * optabs.def (cmul_optab, cmul_conj_optab): New.
19125 * doc/md.texi: Document them.
19126 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
19127 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
19128 vect_build_combine_node, class complex_mul_pattern,
19129 complex_mul_pattern::matches, complex_mul_pattern::recognize,
19130 complex_mul_pattern::build): New.
19132 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19134 * tree-vect-slp.c (optimize_load_redistribution_1): New.
19135 (optimize_load_redistribution, vect_is_slp_load_node): New.
19136 (vect_match_slp_patterns): Use it.
19138 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19140 * tree-vect-slp-patterns.c (complex_add_pattern::build):
19143 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
19145 * config/gcn/mkoffload.c (main): Create an offload image only in
19146 64-bit configurations.
19148 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
19151 * config/i386/i386-options.c (ix86_option_override_internal):
19152 Issue an error for -fcf-protection with CF_BRANCH when compiling
19153 for 32-bit non-TARGET_CMOV targets.
19155 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
19158 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
19159 Remove declaration and initialization of shadow variable "ret".
19160 (ix86_option_override_internal): Remove delcaration of
19161 shadow variable "i". Redeclare shadowed variable to unsigned.
19162 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
19163 * config/i386/i386-builtins.c (get_builtin_code_for_version):
19164 Update for redeclaration.
19165 * config/i386/i386.h (pta_size): Ditto.
19167 2021-01-14 Richard Biener <rguenther@suse.de>
19169 PR tree-optimization/98674
19170 * tree-data-ref.c (base_supports_access_fn_components_p): New.
19171 (initialize_data_dependence_relation): For two bases without
19172 possible access fns resort to type size equality when determining
19173 shape compatibility.
19175 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
19178 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
19179 <=, >= operators in vcle and vcge intrinsics respectively.
19180 * config/arm/arm_neon_builtins.def: Remove entry for
19183 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
19186 * config/i386/i386-options.c (ix86_function_specific_save):
19187 Remove redundant assignment to opts->x_ix86_branch_cost.
19188 * config/i386/i386.c (ix86_prefetch_sse):
19189 Rename from x86_prefetch_sse. Update all uses.
19190 * config/i386/i386.h: Update for rename.
19191 * config/i386/i386-options.h: Ditto.
19193 2021-01-14 Jakub Jelinek <jakub@redhat.com>
19196 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
19197 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
19198 Use Bm instead of m for non-avx. Add isa attribute.
19200 2021-01-14 Jakub Jelinek <jakub@redhat.com>
19202 PR tree-optimization/96688
19203 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
19204 ~X can be simplified.
19206 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
19208 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
19209 IFN_LOAD_LANES results.
19211 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19213 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
19215 (aarch64_xtn<mode>): Likewise.
19216 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
19219 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
19221 (vmovl_s16): Likewise.
19222 (vmovl_s32): Likewise.
19223 (vmovl_u8): Likewise.
19224 (vmovl_u16): Likewise.
19225 (vmovl_u32): Likewise.
19226 (vmovn_s16): Likewise.
19227 (vmovn_s32): Likewise.
19228 (vmovn_s64): Likewise.
19229 (vmovn_u16): Likewise.
19230 (vmovn_u32): Likewise.
19231 (vmovn_u64): Likewise.
19233 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19235 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
19237 (aarch64_<su>qxtn2<mode>_be): Likewise.
19238 (aarch64_<su>qxtn2<mode>): Likewise.
19239 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
19241 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
19242 (su): Handle ss_truncate and us_truncate.
19243 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
19245 (vqmovn_high_s32): Likewise.
19246 (vqmovn_high_s64): Likewise.
19247 (vqmovn_high_u16): Likewise.
19248 (vqmovn_high_u32): Likewise.
19249 (vqmovn_high_u64): Likewise.
19251 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19253 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
19255 (aarch64_xtn2<mode>_be): Likewise.
19256 (aarch64_xtn2<mode>): Likewise.
19257 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
19259 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
19261 (vmovn_high_s32): Likewise.
19262 (vmovn_high_s64): Likewise.
19263 (vmovn_high_u16): Likewise.
19264 (vmovn_high_u32): Likewise.
19265 (vmovn_high_u64): Likewise.
19267 2021-01-13 Stafford Horne <shorne@gmail.com>
19269 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
19271 2021-01-13 Stafford Horne <shorne@gmail.com>
19273 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
19275 2021-01-13 Stafford Horne <shorne@gmail.com>
19277 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
19278 define for __or1k_hard_float__.
19280 2021-01-13 Stafford Horne <shorne@gmail.com>
19282 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
19283 (PROFILE_HOOK): Define to call _mcount.
19284 (FUNCTION_PROFILER): Change from abort to no-op.
19286 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19288 PR tree-optimization/96691
19289 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
19290 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
19291 (~D ^ C) or (D ^ C) can be simplified.
19293 2021-01-13 Richard Biener <rguenther@suse.de>
19295 PR tree-optimization/92645
19296 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
19297 until after vector lowering.
19299 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19301 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
19303 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
19304 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
19306 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19308 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
19310 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
19311 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
19313 2021-01-13 Richard Biener <rguenther@suse.de>
19315 PR tree-optimization/92645
19316 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
19317 BIT_FIELD_REF argument.
19318 (vect_build_slp_tree_2): Record the desired vector type
19319 on the external vector def.
19320 (vectorizable_slp_permutation): Handle required punning
19321 of existing vector defs.
19323 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19325 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
19327 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19329 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
19331 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
19333 * config.gcc [$target == *-*-gnu*]: Enable
19334 'default_gnu_indirect_function'.
19336 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19339 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
19340 registers before calling targetm.vectorize.vec_perm_const, only after
19342 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
19343 two argument permutation when one operand is zero vector and only
19344 after that force operands into registers.
19345 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
19346 define_insn_and_split pattern.
19347 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
19348 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
19349 (*avx2_zero_extendv8hiv8si2_1): Likewise.
19350 (*avx512f_zero_extendv8siv8di2_1): Likewise.
19351 (*avx2_zero_extendv4siv4di2_1): Likewise.
19352 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
19354 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
19355 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
19356 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
19357 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
19358 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
19359 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
19361 2021-01-13 Martin Liska <mliska@suse.cz>
19363 PR tree-optimization/98455
19364 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
19365 Record also virtual PHIs.
19366 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
19369 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
19371 * doc/invoke.texi (C++ Modules): Fix typos.
19373 2021-01-13 Richard Biener <rguenther@suse.de>
19375 PR tree-optimization/98640
19376 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
19377 handle plus or minus from a truncated operand to be
19380 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19383 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
19384 define_insn_and_split patterns.
19385 (splitter after *btr<mode>_2): New splitter.
19387 2021-01-13 Martin Liska <mliska@suse.cz>
19390 * cgraphunit.c (analyze_functions): Remove dead code.
19392 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
19394 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
19395 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
19396 (a64fx_regmove_cost, a64fx_vector_cost): New.
19397 (a64fx_tunings): Use the new added cost tables.
19399 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19402 * config/i386/predicates.md (pmovzx_parallel): New predicate.
19403 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
19404 define_insn_and_split pattern.
19405 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
19406 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
19408 2021-01-13 Julian Brown <julian@codesourcery.com>
19410 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
19411 to fix v0 register.
19413 2021-01-13 Julian Brown <julian@codesourcery.com>
19415 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
19418 2021-01-13 Julian Brown <julian@codesourcery.com>
19420 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
19421 for reciprocal-approximation instructions.
19422 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
19423 refinement and division result.
19424 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
19426 2021-01-13 Julian Brown <julian@codesourcery.com>
19428 * config/gcn/gcn-valu.md (subdf): Rename to...
19431 2021-01-12 Martin Liska <mliska@suse.cz>
19433 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
19435 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
19437 * function-abi.h: Fix typo.
19439 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
19443 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
19444 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
19445 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
19446 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
19447 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
19448 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
19449 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
19450 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
19451 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
19452 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
19453 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
19454 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
19455 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
19456 (ARM_HAVE_V2DI_LDST): Likewise.
19457 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
19458 (*movmisalign<mode>_mve_load): New pattern.
19459 * config/arm/neon.md (movmisalign<mode>): Move to ...
19460 * config/arm/vec-common.md: ... here.
19462 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
19465 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
19466 of pattern 'plus (plus (hard reg, const), pseudo)'.
19468 2021-01-12 Richard Biener <rguenther@suse.de>
19470 PR tree-optimization/98550
19471 * tree-vect-slp.c (vect_record_max_nunits): Check whether
19472 the group size is a multiple of the vector element count.
19473 (vect_build_slp_tree_1): When we need to fail because
19474 the vector type choosen causes unrolling do so lazily
19475 without affecting matches only at the end to guide group splitting.
19477 2021-01-12 Martin Liska <mliska@suse.cz>
19480 * optc-save-gen.awk: Compare also n_target_save vars with
19483 2021-01-12 Martin Liska <mliska@suse.cz>
19485 * gcov.c (source_info::debug): New.
19486 (print_usage): Add --debug (-D) option.
19487 (process_args): Likewise.
19488 (generate_results): Call src->debug after
19489 accumulate_line_counts.
19490 (read_graph_file): Properly assign id for EXIT_BLOCK.
19491 * profile.c (branch_prob): Dump function body before it is
19494 2021-01-12 Jakub Jelinek <jakub@redhat.com>
19496 PR tree-optimization/98629
19497 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
19498 unless returning non-zero.
19500 2021-01-12 Jakub Jelinek <jakub@redhat.com>
19502 PR tree-optimization/95731
19503 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
19504 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
19505 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
19506 only after optimize_range_tests_var_bound.
19508 2021-01-12 Jakub Jelinek <jakub@redhat.com>
19510 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
19511 * configure: Regenerated.
19513 2021-01-12 liuhongt <hongtao.liu@intel.com>
19516 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
19518 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
19521 2021-01-12 Alexandre Oliva <oliva@adacore.com>
19523 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
19525 (auto_end_imm_use_stmt_traverse): New struct.
19526 (FOR_EACH_IMM_USE_STMT): Use it.
19527 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
19529 * gimple-ssa-strength-reduction.c: ... here, ...
19530 * graphite-scop-detection.c: ... here, ...
19531 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
19532 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
19533 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
19534 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
19535 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
19536 * tree-vect-slp.c: ... and here, ...
19537 * doc/tree-ssa.texi: ... and the example here.
19539 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19541 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
19542 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
19543 (*sdiv_pow2<mode>3): New pattern.
19544 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
19545 Wrap the ASRD in an UNSPEC_PRED_X.
19546 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
19547 predicate with a constant PTRUE, if it isn't already.
19548 (*cond_<sve_int_op><mode>_z): Replace with...
19549 (*cond_<sve_int_op><mode>_any): ...this new pattern.
19551 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19553 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
19554 SVE_FULL_I to SVE_I.
19555 (*cond_bic<mode>_any): Likewise.
19557 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19559 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
19560 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
19563 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19565 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
19566 SVE_FULL_I to SVE_I.
19567 (*aarch64_cond_<su>abd<mode>_2): Likewise.
19568 (*aarch64_cond_<su>abd<mode>_any): Likewise.
19569 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
19570 for the max and min but not for the minus.
19571 (*aarch64_cond_<su>abd<mode>_3): New pattern.
19573 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19575 * config/aarch64/iterators.md (SVE_24I): New iterator.
19576 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
19577 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
19579 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19581 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
19582 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
19584 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
19585 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
19586 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
19587 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
19589 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19591 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
19592 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
19593 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
19596 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
19598 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
19599 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
19600 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
19602 2021-01-11 Martin Liska <mliska@suse.cz>
19605 * symtab-clones.h (clone_info::release): Release
19606 symtab::m_clones with ggc_delete as it's a GGC memory.
19608 2021-01-11 Matthias Klose <doko@ubuntu.com>
19610 * Makefile.in (LINK_PROGRESS): Show the link target.
19612 2021-01-11 Richard Biener <rguenther@suse.de>
19614 PR tree-optimization/91403
19615 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
19616 single-element interleaving group size at 4096 elements.
19618 2021-01-11 Richard Biener <rguenther@suse.de>
19620 PR tree-optimization/98526
19621 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
19622 of the actual reduction op for the regular case.
19623 (vectorizable_reduction): Cost the stmts
19624 vect_transform_reduction produces here.
19626 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
19628 * tree-ssa-forwprop.c (simplify_vector_constructor): For
19629 big-endian, use UNPACK[_FLOAT]_HI.
19631 2021-01-11 Tamar Christina <tamar.christina@arm.com>
19633 * tree-vect-slp-patterns.c (class complex_pattern,
19634 class complex_add_pattern): Add parameters to matches.
19635 (complex_add_pattern::build): Free memory.
19636 (complex_add_pattern::matches): Move validation end of match.
19637 (complex_add_pattern::recognize): Likewise.
19639 2021-01-11 Tamar Christina <tamar.christina@arm.com>
19641 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
19643 2021-01-11 Tamar Christina <tamar.christina@arm.com>
19645 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
19647 2021-01-11 Jakub Jelinek <jakub@redhat.com>
19649 PR tree-optimization/95867
19650 * tree-ssa-math-opts.h: New header.
19651 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
19652 (powi_as_mults): No longer static. Use build_one_cst instead of
19653 build_real. Formatting fix.
19654 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
19655 (attempt_builtin_powi): Handle multiplication reassociation without
19656 powi_fndecl using powi_as_mults.
19657 (reassociate_bb): For integral types don't require
19658 -funsafe-math-optimizations to call attempt_builtin_powi.
19660 2021-01-11 Jakub Jelinek <jakub@redhat.com>
19662 PR tree-optimization/95852
19663 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
19664 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
19665 allow in the bb any of the stmts in that vector, div_stmt and
19666 up to 3 cast stmts.
19667 (arith_cast_equal_p): New function.
19668 (arith_overflow_check_p): Add cast_stmt argument, handle signed
19669 multiply overflow checks.
19670 (match_arith_overflow): Adjust caller. Handle signed multiply
19673 2021-01-11 Jakub Jelinek <jakub@redhat.com>
19675 PR tree-optimization/95852
19676 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
19677 (uaddsub_overflow_check_p): Renamed to ...
19678 (arith_overflow_check_p): ... this. Handle also multiplication
19679 with overflow check.
19680 (match_uaddsub_overflow): Renamed to ...
19681 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
19682 also multiplication with overflow check. Adjust function comment.
19683 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
19684 match_arith_overflow also for MULT_EXPR.
19686 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19688 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
19689 __builtin_convertvector.
19690 (vmovl_s16): Likewise.
19691 (vmovl_s32): Likewise.
19692 (vmovl_u8): Likewise.
19693 (vmovl_u16): Likewise.
19694 (vmovl_u32): Likewise.
19695 (vmovn_s16): Likewise.
19696 (vmovn_s32): Likewise.
19697 (vmovn_s64): Likewise.
19698 (vmovn_u16): Likewise.
19699 (vmovn_u32): Likewise.
19700 (vmovn_u64): Likewise.
19702 2021-01-11 Martin Liska <mliska@suse.cz>
19704 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
19705 (if_chain::is_beneficial): Delete clusters
19706 (find_conditions): Make second argument of conditions_in_bbs a
19707 pointer so that we control over it's lifetime.
19708 (pass_if_to_switch::execute): Delete them.
19710 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
19712 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
19715 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
19717 * config/vax/vax.md (cc): Remove mode attribute.
19718 (subst_<cc>, subst_f<cc>): Rename to...
19719 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
19720 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
19721 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
19722 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
19724 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
19726 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
19727 `const_double_zero'.
19729 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
19731 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
19732 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
19735 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
19737 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
19739 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
19740 with `const_double_zero'.
19741 * doc/rtl.texi (Constant Expression Types): Document it.
19743 2021-01-09 Jakub Jelinek <jakub@redhat.com>
19746 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
19747 POINTER_DIFF_EXPR to be any integral type.
19749 2021-01-09 Jakub Jelinek <jakub@redhat.com>
19751 PR rtl-optimization/98603
19752 * function.c (instantiate_virtual_regs_in_insn): For asm goto
19753 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
19754 if any, set ASM_OPERANDS mode to VOIDmode and change
19755 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
19757 2021-01-09 Alexandre Oliva <oliva@gnu.org>
19760 * final.c (notice_source_line): Narrow down the condition to
19761 skip a line-0 marker.
19763 2021-01-08 Sergei Trofimovich <siarheit@google.com>
19765 * ipa-modref.c (merge_call_side_effects): Fix
19766 linebreak split by reordering two print calls.
19768 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
19770 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
19771 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
19772 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
19773 consistency, fix constraint.
19775 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
19777 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
19778 callables instead of mask values.
19779 (struct target_flag_set_p): New predicate.
19780 (s390_cpu_cpp_builtins_internal): Define or undefine
19781 __LONG_DOUBLE_VX__ macro.
19783 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
19786 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
19787 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
19790 2021-01-08 Richard Biener <rguenther@suse.de>
19792 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
19794 2021-01-08 Richard Biener <rguenther@suse.de>
19796 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
19797 (vect_build_slp_tree): On cache hit release the matched
19798 scalar stmts vector.
19799 * tree-vect-stmts.c (vectorizable_store): Properly free
19800 vec_oprnds before possibly gathering them again.
19802 2021-01-08 Richard Biener <rguenther@suse.de>
19804 PR tree-optimization/98544
19805 * tree-vect-slp.c (vect_optimize_slp): Always materialize
19806 permutes at a permute node.
19808 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
19811 * config/i386/i386.c (x86_function_profiler): Use R10 to call
19812 mcount in large model. Sorry for large model with PIC.
19814 2021-01-08 Jakub Jelinek <jakub@redhat.com>
19817 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
19818 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
19819 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
19820 TargetSave and initialize for variables with enum types.
19821 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
19822 mstack-protector-guard-symbol=): Add Save.
19823 * config/i386/i386-options.c (ix86_function_specific_save,
19824 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
19825 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
19826 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
19827 x_ix86_veclibabi_type.
19829 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
19831 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
19832 SVE_FULL_I to SVE_I.
19833 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
19835 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
19837 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
19838 SVE_FULL_I to SVE_I.
19839 (*cond_uxt<mode>_any): Likewise.
19841 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19843 * config/aarch64/iterators.md (Vwhalf): New iterator.
19844 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
19846 (aarch64_<sur>adalp<mode>): ... This. Make more
19848 (<sur>sadv16qi): Adjust callsite of the above.
19849 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
19851 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
19853 (vpadal_s16): Likewise.
19854 (vpadal_u8): Likewise.
19855 (vpadal_u16): Likewise.
19856 (vpadalq_s8): Likewise.
19857 (vpadalq_s16): Likewise.
19858 (vpadalq_s32): Likewise.
19859 (vpadalq_u8): Likewise.
19860 (vpadalq_u16): Likewise.
19861 (vpadalq_u32): Likewise.
19863 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19865 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
19867 (aarch64_<su>abd<mode>): ... This.
19868 (<sur>sadv16qi): Adjust callsite of the above.
19869 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
19871 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
19873 (vabd_s16): Likewise.
19874 (vabd_s32): Likewise.
19875 (vabd_u8): Likewise.
19876 (vabd_u16): Likewise.
19877 (vabd_u32): Likewise.
19878 (vabdq_s8): Likewise.
19879 (vabdq_s16): Likewise.
19880 (vabdq_s32): Likewise.
19881 (vabdq_u8): Likewise.
19882 (vabdq_u16): Likewise.
19883 (vabdq_u32): Likewise.
19885 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19887 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
19889 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
19890 (vaba_s16): Likewise.
19891 (vaba_s32): Likewise.
19892 (vaba_u8): Likewise.
19893 (vaba_u16): Likewise.
19894 (vaba_u32): Likewise.
19895 (vabaq_s8): Likewise.
19896 (vabaq_s16): Likewise.
19897 (vabaq_s32): Likewise.
19898 (vabaq_u8): Likewise.
19899 (vabaq_u16): Likewise.
19900 (vabaq_u32): Likewise.
19902 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19904 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
19905 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
19906 Change RTL pattern to match.
19908 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
19910 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
19911 * config/riscv/riscv-c.c (riscv-subset.h): New.
19912 (INCLUDE_STRING): Define.
19913 (riscv_cpu_cpp_builtins): Add new style architecture extension
19915 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
19916 (riscv_subset_list::end): New.
19917 (riscv_current_subset_list): New.
19919 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
19921 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
19922 Move to riscv-subset.h.
19923 (struct riscv_subset_t): Ditto.
19924 (class riscv_subset_list): Ditto.
19925 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
19926 from riscv-common.c.
19927 (struct riscv_subset_t): Ditto.
19928 (class riscv_subset_list): Ditto.
19929 * config/riscv/t-riscv ($(common_out_file)): Add file
19932 2021-01-07 Jakub Jelinek <jakub@redhat.com>
19935 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
19936 New define_insn patterns.
19938 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
19940 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
19941 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
19942 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
19944 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
19946 PR tree-optimization/98560
19947 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
19948 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
19950 (vec_cond_direct): Likewise argument 2.
19951 (vec_condu_direct, vec_condeq_direct): Delete.
19952 (expand_vect_cond_optab_fn): Rename to...
19953 (expand_vec_cond_optab_fn): ...this, replacing old macro.
19954 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
19955 (expand_vect_cond_mask_optab_fn): Rename to...
19956 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
19957 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
19959 (direct_vec_cond_optab_supported_p): Likewise.
19960 (direct_vec_condu_optab_supported_p): Delete.
19961 (direct_vec_condeq_optab_supported_p): Delete.
19962 * gimple-isel.cc: Include internal-fn.h.
19963 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
19966 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
19968 PR tree-optimization/98560
19969 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
19970 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
19972 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
19974 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
19975 rotate_insn and optab code attributes.
19976 Update all uses to merged code attribute.
19977 * config/i386/sse.md: Update all uses to merged code attribute.
19978 * config/i386/mmx.md: Update all uses to merged code attribute.
19980 2021-01-07 Jakub Jelinek <jakub@redhat.com>
19982 PR tree-optimization/98568
19983 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
19984 (bswap_replace): Use it.
19986 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
19988 PR rtl-optimization/97978
19989 * lra-int.h (lra_hard_reg_split_p): New external.
19990 * lra.c (lra_hard_reg_split_p): New global.
19991 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
19992 * lra-assigns.c (lra_assign): Don't check allocation correctness
19993 after hard reg splitting.
19995 2021-01-06 Martin Sebor <msebor@redhat.com>
19998 * builtins.c (new_delete_mismatch_p): New overload.
19999 (new_delete_mismatch_p (tree, tree)): Call it.
20001 2021-01-06 Alexandre Oliva <oliva@adacore.com>
20003 * Makefile.in (T_GLIMITS_H): New.
20004 (stmp-int-hdrs): Depend on it, use it.
20005 * config/t-vxworks (T_GLIMITS_H): Override it.
20006 (vxw-glimits.h): New.
20008 2021-01-06 Richard Biener <rguenther@suse.de>
20010 PR tree-optimization/98513
20011 * value-range.cc (intersect_ranges): Compare the upper bounds
20012 for the expected relation.
20014 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
20017 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
20019 * doc/standards.texi (HSAIL): Remove section.
20021 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
20023 * configure: Re-generate.
20025 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20027 * doc/invoke.texi (-std=c++20): Adjust for the publication of
20028 ISO 14882:2020 standard.
20029 * doc/standards.texi: Likewise.
20031 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20033 PR tree-optimization/94802
20034 * expr.h (maybe_optimize_sub_cmp_0): Declare.
20035 * expr.c: Include tree-pretty-print.h and flags.h.
20036 (maybe_optimize_sub_cmp_0): New function.
20037 (do_store_flag): Use it.
20038 * cfgexpand.c (expand_gimple_cond): Likewise.
20040 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20042 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
20043 * rtlanal.c (simple_regno_set): Tweak description to clarify the
20046 2021-01-05 Richard Biener <rguenther@suse.de>
20048 PR tree-optimization/98516
20049 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
20050 lanes when materializing on a VEC_PERM node.
20051 (vectorizable_slp_permutation): Dump the permute properly.
20053 2021-01-05 Richard Biener <rguenther@suse.de>
20055 * tree-vect-slp.c (vect_slp_region): Move debug counter
20056 to cover individual subgraphs.
20058 2021-01-05 Richard Biener <rguenther@suse.de>
20060 PR tree-optimization/98428
20061 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
20062 vector lane extracts for loop vectorization.
20064 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20066 PR tree-optimization/98514
20067 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
20069 (operand_rank): Change type from hash_map<tree, long> to
20070 hash_map<tree, int64_t>.
20071 (phi_rank): Change return type from long to int64_t.
20072 (loop_carried_phi): Change block_rank variable type from long to
20074 (propagate_rank): Change return type, rank parameter type and
20075 op_rank variable type from long to int64_t.
20076 (find_operand_rank): Change return type from long to int64_t
20077 and change slot variable type from long * to int64_t *.
20078 (insert_operand_rank): Change rank parameter type from long to
20080 (get_rank): Change return type and rank variable type from long to
20081 int64_t. Use PRId64 instead of ld to print the rank.
20082 (init_reassoc): Change rank variable type from long to int64_t
20083 and adjust correspondingly bb_rank and operand_rank initialization.
20085 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20087 PR tree-optimization/96928
20088 * tree-ssa-phiopt.c (xor_replacement): New function.
20089 (tree_ssa_phiopt_worker): Call it.
20091 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20093 PR tree-optimization/96930
20094 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
20095 from narrower value which has the same type as 1 << B, perform
20096 the right shift on the narrower value followed by extension.
20098 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20100 PR tree-optimization/96239
20101 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
20103 (get_status_for_store_merging): Don't return BB_INVALID for blocks
20104 with potential bswap optimizable CONSTRUCTORs.
20105 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
20108 2021-01-05 Richard Biener <rguenther@suse.de>
20110 PR tree-optimization/98381
20111 * tree.c (vector_element_bits): Properly compute bool vector
20113 * tree-vect-loop.c (vectorizable_live_operation): Properly
20114 compute the last lane bit offset.
20116 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
20119 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
20120 Clear the top 64 bytes of the input XMM register.
20121 (sse_cvttps2pi): Ditto.
20123 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
20126 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
20128 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
20131 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
20134 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
20136 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
20137 (umaddsidi4_split): Likewise.
20139 2021-01-05 liuhongt <hongtao.liu@intel.com>
20142 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
20143 define_insn_and_split for zero_extend of subreg HI of pmovskb
20145 (*sse2_pmovskb_zexthisi): Add new combine splitters for
20146 zero_extend of not of subreg HI of pmovskb result.
20148 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20151 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
20153 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
20154 convert_memory_address to convert symbolic immediates to ptr_mode
20155 before forcing them to memory.
20157 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20159 PR rtl-optimization/97144
20160 * recog.c (constrain_operands): Initialize matching_operand
20161 for each alternative, rather than only doing it once.
20163 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20165 PR rtl-optimization/98403
20166 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
20167 why we don't remove call clobbers.
20168 (function_info::apply_changes_to_insn): Don't attempt to add
20169 call clobbers here.
20171 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20173 PR tree-optimization/98371
20174 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
20175 (vect_analyze_loop): If an epilogue loop appears to be cheaper
20176 than the main loop, re-analyze it as a main loop before adopting
20179 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
20182 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
20183 * aclocal.m4, configure: Regenerate.
20184 * Makefile.in (NETLIBS): Define.
20185 (BACKEND): Remove $(CODYLIB).
20187 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20189 PR rtl-optimization/98334
20190 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
20191 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
20193 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
20195 * tree-inline.c (expand_call_inline): Restore input_location.
20196 Return result from recursive call.
20198 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20200 PR tree-optimization/95401
20201 * config/aarch64/aarch64-sve-builtins.cc
20202 (gimple_folder::load_store_cookie): Use bits rather than bytes
20203 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
20204 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
20205 * tree-vect-stmts.c (vectorizable_store): Likewise.
20206 (vectorizable_load): Likewise.
20208 2021-01-04 Richard Biener <rguenther@suse.de>
20210 PR tree-optimization/98308
20211 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
20214 2021-01-04 Jakub Jelinek <jakub@redhat.com>
20216 PR tree-optimization/95771
20217 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
20218 with precision smaller than int's precision and types with precision
20219 twice as large as long long. Formatting fixes.
20221 2021-01-04 Richard Biener <rguenther@suse.de>
20223 PR tree-optimization/98464
20224 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
20225 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
20226 (process_bb): Adjust.
20228 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
20231 * doc/invoke.texi (-fsanitize=address): Fix wording describing
20232 clash with -fsanitize=hwaddress.
20234 2021-01-04 Richard Biener <rguenther@suse.de>
20236 PR tree-optimization/98282
20237 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
20238 invariants as VN_NARY.
20240 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20243 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
20244 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
20245 to handle zero operands.
20247 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20249 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
20250 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
20251 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
20254 2021-01-04 Richard Biener <rguenther@suse.de>
20256 PR tree-optimization/98393
20257 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
20258 when hitting the limit.
20260 2021-01-04 Richard Biener <rguenther@suse.de>
20262 PR tree-optimization/98291
20263 * tree-vect-loop.c (vectorizable_reduction): Bypass
20264 associativity check for SLP reductions with VF 1.
20266 2021-01-04 Jakub Jelinek <jakub@redhat.com>
20268 PR tree-optimization/96782
20269 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
20271 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
20273 * collect-utils.c (collect_execute): Check dumppfx.
20274 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
20275 to collect_execute.
20276 (do_link): Add new parameter atsuffix.
20277 (main): Handle -dumpdir option. Skip one argument for
20278 -o, -isystem and -B options.
20279 * gcc.c (make_at_file): New helper function.
20280 (close_at_file): Use it.
20282 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20284 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
20285 Amend handling for LD64_VERSION fallback defaults.
20287 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20289 * config.gcc: Compute default version information
20290 from the configured target. Likewise defaults for
20292 * config/darwin10.h: Removed.
20293 * config/darwin12.h: Removed.
20294 * config/darwin9.h: Removed.
20295 * config/rs6000/darwin8.h: Removed.
20297 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20299 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
20301 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20303 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
20304 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
20306 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20308 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
20310 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
20312 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20314 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
20315 for the Darwin10 unwinder stub from here ...
20316 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
20318 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20320 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
20321 (ASM_DEBUG_SPEC):Only define if the assembler supports
20323 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
20324 (DARWIN_PREFER_DWARF): Define.
20325 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
20326 (DARWIN_PREFER_DWARF): Likewise
20327 (DSYMUTIL_SPEC): Likewise.
20328 (COLLECT_RUN_DSYMUTIL): Likewise.
20329 (ASM_DEBUG_SPEC): Likewise.
20330 (ASM_DEBUG_OPTION_SPEC): Likewise.
20332 2021-01-02 Jan Hubicka <jh@suse.cz>
20334 * cfg.c (free_block): ggc_free bb.
20336 2021-01-01 Jakub Jelinek <jakub@redhat.com>
20338 * gcc.c (process_command): Update copyright notice dates.
20339 * gcov-dump.c (print_version): Ditto.
20340 * gcov.c (print_version): Ditto.
20341 * gcov-tool.c (print_version): Ditto.
20342 * gengtype.c (create_file): Ditto.
20343 * doc/cpp.texi: Bump @copying's copyright year.
20344 * doc/cppinternals.texi: Ditto.
20345 * doc/gcc.texi: Ditto.
20346 * doc/gccint.texi: Ditto.
20347 * doc/gcov.texi: Ditto.
20348 * doc/install.texi: Ditto.
20349 * doc/invoke.texi: Ditto.
20351 2021-01-01 Jakub Jelinek <jakub@redhat.com>
20353 * ChangeLog-2020: Rotate ChangeLog. New file.
20356 Copyright (C) 2021 Free Software Foundation, Inc.
20358 Copying and distribution of this file, with or without modification,
20359 are permitted in any medium without royalty provided the copyright
20360 notice and this notice are preserved.