1 2021-09-05 Aldy Hernandez <aldyh@redhat.com>
3 * gimple-range-path.cc (path_range_query::range_of_stmt): Remove
4 GIMPLE_COND special casing.
5 (path_range_query::range_defined_in_block): Use range_of_stmt
6 instead of calling fold_range directly.
8 2021-09-05 Aldy Hernandez <aldyh@redhat.com>
10 * gimple-range-path.cc (path_range_query::range_of_expr): Set
11 m_undefined_path when appropriate.
12 (path_range_query::internal_range_of_expr): Copy from range_of_expr.
13 (path_range_query::unreachable_path_p): New.
14 (path_range_query::precompute_ranges): Set m_undefined_path.
15 * gimple-range-path.h (path_range_query::unreachable_path_p): New.
16 (path_range_query::internal_range_of_expr): New.
17 * tree-ssa-threadbackward.c (back_threader::find_taken_edge_cond):
18 Use unreachable_path_p.
20 2021-09-05 Aldy Hernandez <aldyh@redhat.com>
22 * tree-ssa-threadbackward.c (back_threader::maybe_register_path):
23 Remove argument and call find_taken_edge.
24 (back_threader::resolve_phi): Do not calculate taken edge before
25 calling maybe_register_path.
26 (back_threader::find_paths_to_names): Same.
28 2021-09-05 Jeff Law <jlaw@localhost.localdomain>
30 * config/h8300/h8300.md (QHSI2 mode iterator): New mode iterator.
31 * config/h8300/testcompare.md (store_c): Update name, use new
33 (store_neg_c, store_shifted_c): New patterns.
35 2021-09-03 Segher Boessenkool <segher@kernel.crashing.org>
38 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): On ELFv2 use r11
39 instead of r12 for CR save, in all cases.
41 2021-09-03 Andrew Pinski <apinski@marvell.com>
43 * config/aarch64/aarch64-sve-builtins.cc (register_vector_type):
44 Handle error_mark_node as the type of the type_decl.
46 2021-09-03 Andrew Pinski <apinski@marvell.com>
48 * config/aarch64/aarch64-builtins.c (struct aarch64_simd_type_info):
50 (aarch64_simd_types): Likewise.
51 (aarch64_simd_intOI_type_node): Likewise.
52 (aarch64_simd_intCI_type_node): Likewise.
53 (aarch64_simd_intXI_type_node): Likewise.
54 * config/aarch64/aarch64.h (aarch64_fp16_type_node): Likewise.
55 (aarch64_fp16_ptr_type_node): Likewise.
56 (aarch64_bf16_type_node): Likewise.
57 (aarch64_bf16_ptr_type_node): Likewise.
59 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
61 * range-op.cc (operator_minus::op1_op2_relation_effect): Abstract
63 (minus_op1_op2_relation_effect): ...here.
64 (class operator_pointer_diff): New.
65 (operator_pointer_diff::op1_op2_relation_effect): Call
66 minus_op1_op2_relation_effect.
67 (integral_table::integral_table): Add entry for POINTER_DIFF_EXPR.
69 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
71 * tree-ssa-threadbackward.c (back_threader::thread_through_all_blocks):
72 Add may_peel_loop_headers.
73 (back_threader_registry::thread_through_all_blocks): Same.
74 (try_thread_blocks): Pass may_peel_loop_headers argument.
75 (pass_early_thread_jumps::execute): Same.
77 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
79 * tree-ssa-threadedge.c (has_phis_p): New.
80 (forwarder_block_p): New.
81 (potentially_threadable_block): Call forwarder_block_p.
82 (jump_threader::thread_around_empty_blocks): Call has_phis_p.
83 (jump_threader::thread_through_normal_block): Call
86 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
88 * tree-ssa-threadbackward.c (back_threader::dump): New.
89 (back_threader::debug): New.
90 (back_threader_profitability::profitable_path_p): Dump blocks
91 even if we are bailing early.
93 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
95 * tree-ssa-threadupdate.c (cancel_thread): New.
96 (jump_thread_path_registry::thread_block_1): Use cancel_thread.
97 (jump_thread_path_registry::mark_threaded_blocks): Same.
98 (jump_thread_path_registry::register_jump_thread): Same.
100 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
102 * tree-ssa-threadedge.c (jt_state::push): Only call methods for
103 which objects are available.
104 (jt_state::pop): Same.
105 (jt_state::register_equiv): Same.
106 (jt_state::register_equivs_on_edge): Same.
108 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
110 * tree-ssa-threadedge.c (jump_threader::thread_across_edge):
111 Move pop until after a thread is registered.
113 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
115 * tree-ssa-threadupdate.c (debug): New.
117 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
119 * gimple-range-trace.cc (push_dump_file::push_dump_file): New.
120 (push_dump_file::~push_dump_file): New.
121 (dump_ranger): Change dump_file temporarily while dumping
123 * gimple-range-trace.h (class push_dump_file): New.
125 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
127 * gimple-range-trace.cc (debug_seed_ranger): Remove static.
128 (dump_ranger): Dump function name.
130 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
132 * gimple-range-path.cc (path_range_query::range_defined_in_block):
134 (path_range_query::adjust_for_non_null_uses): New.
135 (path_range_query::precompute_ranges): Call
136 adjust_for_non_null_uses.
137 * gimple-range-path.h: Add m_non_null and
138 adjust_for_non_null_uses.
140 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
142 * gimple-range-path.cc (path_range_query::dump): Dump path
144 (path_range_query::precompute_ranges): Dump entire path.
146 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
148 * value-relation.cc (relation_oracle::debug): New.
149 * value-relation.h (relation_oracle::debug): New.
151 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
153 * tree-ssa-loop-ch.c: Remove unnecessary include file.
155 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
157 * gimple-range-fold.cc (fold_using_range::postfold_gcond_edges):
158 Skip statements with no defining BB.
159 * gimple-range-path.cc (path_range_query::range_defined_in_block):
160 Do not get confused by statements with no defining BB.
162 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
164 * gimple-range-fold.cc (adjust_imagpart_expr): Move from
165 gimple_range_adjustment. Add support for constants.
166 (adjust_realpart_expr): New.
167 (gimple_range_adjustment): Move IMAGPART_EXPR code to
168 adjust_imagpart_expr.
169 * range-op.cc (integral_table::integral_table): Add entry for
172 2021-09-03 Jakub Jelinek <jakub@redhat.com>
174 * omp-expand.c (expand_omp_atomic_pipeline): Use
175 IFN_ATOMIC_COMPARE_EXCHANGE instead of
176 BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_? so that memory order
179 2021-09-03 Jakub Jelinek <jakub@redhat.com>
182 * tree.h (DECL_FIELD_ABI_IGNORED): Changed into rvalue only macro
183 that is false if DECL_BIT_FIELD.
184 (SET_DECL_FIELD_ABI_IGNORED, DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD,
185 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD): Define.
186 * tree-streamer-out.c (pack_ts_decl_common_value_fields): For
187 DECL_BIT_FIELD stream DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead
188 of DECL_FIELD_ABI_IGNORED.
189 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
190 SET_DECL_FIELD_ABI_IGNORED instead of writing to
191 DECL_FIELD_ABI_IGNORED and for DECL_BIT_FIELD use
192 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead.
193 * lto-streamer-out.c (hash_tree): For DECL_BIT_FIELD hash
194 DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead of DECL_FIELD_ABI_IGNORED.
196 2021-09-03 liuhongt <hongtao.liu@intel.com>
199 * config/i386/amxbf16intrin.h : Remove macro check for __AMX_BF16__.
200 * config/i386/amxint8intrin.h : Remove macro check for __AMX_INT8__.
201 * config/i386/amxtileintrin.h : Remove macro check for __AMX_TILE__.
203 2021-09-02 Martin Sebor <msebor@redhat.com>
205 PR tree-optimization/17506
207 * tree-ssa-uninit.c (warn_uninit): Remove conditional guarding note.
209 2021-09-02 Richard Biener <rguenther@suse.de>
211 * tree-ssa-loop-im.c (fill_always_executed_in_1): Refine
212 fix for PR78185 and continue processing when leaving
215 2021-09-02 Jakub Jelinek <jakub@redhat.com>
217 PR tree-optimization/99591
218 * match.pd: Demote operands of IFN_{ADD,SUB,MUL}_OVERFLOW if they
221 2021-09-02 Richard Biener <rguenther@suse.de>
224 2021-09-02 Richard Biener <rguenther@suse.de>
226 PR tree-optimization/102155
227 * tree-ssa-loop-im.c (fill_always_executed_in_1): Iterate
228 over a part of the RPO array and do not recurse here.
229 Dump blocks marked as always executed.
230 (fill_always_executed_in): Walk over the RPO array and
231 process loops whose header we run into.
232 (loop_invariant_motion_in_fun): Compute the first RPO
233 using rev_post_order_and_mark_dfs_back_seme in iteration
234 order and pass that to fill_always_executed_in.
236 2021-09-02 liuhongt <hongtao.liu@intel.com>
238 * config/i386/i386-modes.def (FLOAT_MODE): Define ieee HFmode.
239 * config/i386/i386.c (enum x86_64_reg_class): Add
241 (merge_classes): Handle X86_64_SSEHF_CLASS.
242 (examine_argument): Ditto.
243 (construct_container): Ditto.
244 (classify_argument): Ditto, and set HFmode/HCmode to
246 (function_value_32): Return _FLoat16/Complex Float16 by
248 (function_value_64): Return _Float16/Complex Float16 by SSE
250 (ix86_print_operand): Handle CONST_DOUBLE HFmode.
251 (ix86_secondary_reload): Require gpr as intermediate register
252 to store _Float16 from sse register when sse4 is not
254 (ix86_libgcc_floating_mode_supported_p): Enable _FLoat16 under
256 (ix86_scalar_mode_supported_p): Ditto.
257 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Defined.
258 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add HFmode.
259 (VALID_INT_MODE_P): Add HFmode and HCmode.
260 * config/i386/i386.md (*pushhf_rex64): New define_insn.
262 (*movhf_internal): Ditto.
263 * doc/extend.texi (Half-Precision Floating Point): Documemt
266 2021-09-02 Richard Biener <rguenther@suse.de>
268 PR tree-optimization/102155
269 * tree-ssa-loop-im.c (fill_always_executed_in_1): Iterate
270 over a part of the RPO array and do not recurse here.
271 Dump blocks marked as always executed.
272 (fill_always_executed_in): Walk over the RPO array and
273 process loops whose header we run into.
274 (loop_invariant_motion_in_fun): Compute the first RPO
275 using rev_post_order_and_mark_dfs_back_seme in iteration
276 order and pass that to fill_always_executed_in.
278 2021-09-02 YunQiang Su <syq@debian.org>
281 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
283 * config/mips/mips.c (mips_module_isa_name): New.
284 mips_file_start: add .module mipsREV to all asm output
286 2021-09-01 Jeff Law <jlaw@localhost.localdomain>
288 PR tree-optimization/102152
289 * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Reduce a vector
290 comparison to a scalar comparison before calling
291 update_stmt_if_modified.
293 2021-09-01 Andrew Pinski <apinski@marvell.com>
296 * config/aarch64/aarch64.c (aarch64_expand_setmem):
297 Check STRICT_ALIGNMENT before creating an overlapping
300 2021-09-01 Martin Sebor <msebor@redhat.com>
302 * gimple-ssa-warn-access.cc (get_size_range): Add argument.
303 (check_access): Pass additional argument.
304 (check_memop_access): Remove template and make a member function.
305 (maybe_check_dealloc_call): Make a pass_waccess member function.
306 (class pass_waccess): Add, rename, and remove members.
307 (pass_waccess::pass_waccess): Adjust to name change.
308 (pass_waccess::~pass_waccess): Same.
309 (check_alloca): Make a member function.
310 (check_alloc_size_call): Same.
311 (check_strcat): Same.
312 (check_strncat): Same.
313 (check_stxcpy): Same.
314 (check_stxncpy): Same.
315 (check_strncmp): Same.
316 (maybe_warn_rdwr_sizes): Rename...
317 (pass_waccess::maybe_check_access_sizes): ...to this.
318 (pass_waccess::check_call): Adjust to name changes.
319 (pass_waccess::maybe_check_dealloc_call): Make a pass_waccess member
321 (pass_waccess::execute): Adjust to name changes.
322 * gimple-ssa-warn-access.h (check_memop_access): Remove.
323 * pointer-query.cc (access_ref::phi): Handle null pointer.
324 (access_ref::inform_access): Same.
325 (pointer_query::put_ref): Modify a cached value, not a copy of it.
326 (pointer_query::dump): New function.
327 (compute_objsize_r): Avoid overwriting access_ref::bndrng. Cache
329 * pointer-query.h (pointer_query::dump): Declare.
330 * tree-ssa-strlen.c (get_range): Simplify. Use function query.
331 (dump_strlen_info): Use function query.
332 (printf_strlen_execute): Factor code out into pointer_query::put_ref.
334 2021-09-01 Thomas Schwinge <thomas@codesourcery.com>
336 * tree.c (walk_tree_1) <OMP_CLAUSE>: Simplify.
338 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
340 * doc/extend.texi: Document unavailable attribute.
341 * print-tree.c (print_node): Handle unavailable attribute.
342 * tree-core.h (struct tree_base): Add a bit to carry unavailability.
343 * tree.c (error_unavailable_use): New.
344 * tree.h (TREE_UNAVAILABLE): New.
345 (error_unavailable_use): New.
347 2021-09-01 Jakub Jelinek <jakub@redhat.com>
349 PR tree-optimization/102124
350 * tree-vect-patterns.c (vect_recog_widen_op_pattern): For ORIG_CODE
351 MINUS_EXPR, if itype is unsigned with smaller precision than type,
352 add an extra cast to signed variant of itype to ensure sign-extension.
354 2021-09-01 Martin Liska <mliska@suse.cz>
356 * graph.c (draw_cfg_node_succ_edges): Do not color fallthru
357 edges and rather use colors for TRUE and FALSE edges.
359 2021-09-01 Richard Biener <rguenther@suse.de>
361 PR tree-optimization/93491
362 * tree-ssa-pre.c (compute_avail): Set BB_MAY_NOTRETURN
363 after processing the stmt itself. Do not consider
364 pure functions possibly not returning. Properly avoid
365 adding possibly trapping calls to EXP_GEN when there's
366 a preceeding possibly not returning call.
367 * tree-ssa-sccvn.c (vn_reference_may_trap): Conservatively
370 2021-09-01 Richard Biener <rguenther@suse.de>
372 PR tree-optimization/102139
373 * tree-vectorizer.h (vec_base_alignments): Adjust hash-map
374 type to record a std::pair of the stmt-info and the innermost
376 (dr_vec_info::group): New member.
377 * tree-vect-data-refs.c (vect_record_base_alignment): Adjust.
378 (vect_compute_data_ref_alignment): Verify the recorded
379 base alignment can be used.
380 (data_ref_pair): Remove.
381 (dr_group_sort_cmp): Adjust.
382 (vect_analyze_data_ref_accesses): Store the group-ID in the
383 dr_vec_info and operate on a vector of dr_vec_infos.
385 2021-09-01 YunQiang Su <yunqiang.su@cipunited.com>
387 * read-md.c (md_reader::handle_enum): support value assignation.
388 * doc/md.texi: record define_c_enum value assignation support.
390 2021-09-01 Jakub Jelinek <jakub@redhat.com>
392 PR tree-optimization/102141
393 * gimple-ssa-store-merging.c (bswap_view_convert): Add BEFORE
394 argument. If false, emit stmts after gsi instead of before, and
396 (bswap_replace): Adjust callers. When converting output of bswap,
397 emit VIEW_CONVERT prepratation stmts after a copy of gsi instead
400 2021-09-01 liuhongt <hongtao.liu@intel.com>
402 * emit-rtl.c (validate_subreg): Get rid of all float-int
405 2021-09-01 liuhongt <hongtao.liu@intel.com>
408 2021-08-30 liuhongt <hongtao.liu@intel.com>
410 * expmed.c (extract_bit_field_1): Make sure we're playing with
411 integral modes before call extract_integral_bit_field.
412 (extract_integral_bit_field): Add a parameter of type
413 scalar_int_mode which corresponds to of tmode.
414 And call extract_and_convert_fixed_bit_field instead of
415 extract_fixed_bit_field and convert_extracted_bit_field.
416 (extract_and_convert_fixed_bit_field): New function, it's a
417 combination of extract_fixed_bit_field and
418 convert_extracted_bit_field.
420 2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
422 * tree.c (walk_tree_1) <OMP_CLAUSE_TILE>: Handle three operands.
424 2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
426 * omp-general.h (omp_is_reference): Rename to...
427 (omp_privatize_by_reference): ... this. Adjust all users...
428 * omp-general.c: ... here, ...
429 * gimplify.c: ... here, ...
430 * omp-expand.c: ... here, ...
431 * omp-low.c: ... here.
433 2021-08-31 Martin Sebor <msebor@redhat.com>
435 * gimple-ssa-warn-access.cc (maybe_warn_alloc_args_overflow): Test
436 pointer element for equality to zero, not that of the cotaining
439 2021-08-31 Martin Sebor <msebor@redhat.com>
441 * gcc-rich-location.h (gcc_rich_location): Make ctor explicit.
443 2021-08-31 Martin Sebor <msebor@redhat.com>
445 * function.h (function): Add comments.
446 (get_range_query): Same. Add attribute returns nonnull.
448 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
450 * expr.c (convert_modes): Don't use subreg_promoted_mode on a
451 SUBREG if it can't be guaranteed to a SUBREG_PROMOTED_VAR_P set.
452 Instead use the standard (safer) is_a <scalar_int_mode> idiom.
454 2021-08-31 Jeff Law <jlaw@localhost.localdomain>
456 * config.gcc (cris-*-elf, cris-*-none): Remove dbxelf.h from
458 (m32r-*-elf, m32rle-*-elf, m32r-*-linux): Likewise.
459 (mn10300-*-*, am33_2.0-*-linux*): Likewise.
460 (xtensa*-*-elf, xtensa*-*-linux, xtensa*-*-uclinux): Likewise.
461 (m32c-*-elf*, m32c-*-rtems*): Likewise.
462 * config/cris/cris.h (DBX_NO_XREFS): Remove.
463 (DBX_CONTIN_LENGTH, DBX_CONTIN_CHAR): Likewise.
464 * config/m32r/m32r.h (DBXOUT_SOURCE_LINE): Likewise.
465 (DBX_DEBUGGING_INFO, DBX_CONTIN_LENGTH): Likewise.
466 * config/mn10300/mn10300.h (DEFAULT_GDB_EXTENSIONS): Likewise.
467 * config/mn10300/linux.h (DBX_REGISTER_NAMES): Likewise.
469 2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
471 * gimplify.c (gimplify_scan_omp_clauses): Error handling. 'ancestor' only
472 allowed on target constructs and only with particular other clauses.
473 * omp-expand.c (expand_omp_target): Output of 'sorry, not supported' if
475 * omp-low.c (check_omp_nesting_restrictions): Error handling. No nested OpenMP
476 structs when 'ancestor' is used.
477 (scan_omp_1_stmt): No usage of OpenMP runtime routines in a target region when
479 * tree-pretty-print.c (dump_omp_clause): Append 'ancestor'.
480 * tree.h (OMP_CLAUSE_DEVICE_ANCESTOR): Define macro.
482 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
484 * expr.c (convert_modes): Preserve SUBREG_PROMOTED_VAR_P when
485 creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
487 * simplify-rtx.c (simplify_unary_operation_1) [SIGN_EXTEND]:
488 Likewise, preserve SUBREG_PROMOTED_VAR_P when creating a (wider)
489 partial subreg from a SUBREG_PROMOTED_VAR_P subreg. Generate
490 SIGN_EXTEND of the SUBREG_REG when a subreg would be paradoxical.
491 [ZERO_EXTEND]: Likewise, preserve SUBREG_PROMOTED_VAR_P when
492 creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
493 subreg. Generate ZERO_EXTEND of the SUBREG_REG when a subreg
494 would be paradoxical.
496 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
498 * combine.c (combine_simplify_rtx): Avoid converting an explicit
499 TRUNCATE into a lowpart SUBREG on !TRULY_NOOP_TRUNCATION targets.
500 * simplify-rtx.c (simplify_unary_operation_1): Likewise.
502 2021-08-31 Richard Biener <rguenther@suse.de>
504 PR tree-optimization/102142
505 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Fix
506 condition under which to unset the visited flag.
508 2021-08-31 Richard Biener <rguenther@suse.de>
511 * tree-ssa-ter.c (find_replaceable_in_bb): Do not move
512 possibly trapping expressions across calls.
514 2021-08-31 Jakub Jelinek <jakub@redhat.com>
516 PR tree-optimization/102134
517 * tree-ssa-ccp.c (bit_value_binop) <case RSHIFT_EXPR>: If sgn is
518 UNSIGNED and r1val | r1mask has MSB set, ensure lzcount doesn't
521 2021-08-31 Andrew Pinski <apinski@marvell.com>
524 * collect-utils.c (setup_signals): New declaration.
525 * collect-utils.h (setup_signals): New function.
526 * collect2.c (handler): Delete.
527 (main): Instead of manually setting up the signals,
528 just call setup_signals.
529 * lto-wrapper.c (main): Likewise.
531 2021-08-31 Andrew Pinski <apinski@marvell.com>
534 * config/i386/i386-protos.h (x86_output_aligned_bss):
535 Change align argument to unsigned type.
536 (x86_elf_aligned_decl_common): Likewise.
537 * config/i386/i386.c (x86_elf_aligned_decl_common): Likewise.
538 (x86_output_aligned_bss): Likewise.
540 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
542 * config/mips/mips.c (mips_module_isa_name): New.
543 mips_file_start: add .module mipsREV to all asm output
545 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
547 * config/mips/mips.h (struct mips_cpu_info): define enum mips_isa;
548 use enum instead of int for 'isa' member.
549 * config.gcc, config/mips/mips.c, config/mips/mips-cpus.def,
550 config/mips/netbsd.h: replace hardcoded numbers with enum.
552 2021-08-31 liuhongt <hongtao.liu@intel.com>
554 * config/i386/sse.md (*<avx512>_ucmp<mode>3_1): Change from
555 define_split to define_insn_and_split.
556 (*avx2_eq<mode>3): Removed.
557 (<avx512>_eq<mode>3<mask_scalar_merge_name>): Adjust pattern
558 (<avx512>_eq<mode>3<mask_scalar_merge_name>_1): Rename to ..
559 (*<avx512>_eq<mode>3<mask_scalar_merge_name>_1): .. this, and
561 (*avx2_gt<mode>3): Removed.
562 (<avx512>_gt<mode>3<mask_scalar_merge_name>): Change from
563 define_insn to define_expand, and adjust pattern.
564 (UNSPEC_MASKED_EQ, UNSPEC_MASKED_GT): Removed.
566 2021-08-30 David Malcolm <dmalcolm@redhat.com>
569 * Makefile.in (ANALYZER_OBJS): Add analyzer/call-info.o.
571 2021-08-30 Jason Merrill <jason@redhat.com>
573 * doc/invoke.texi: Document -Wmissing-requires.
575 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
577 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Remove
578 TARGET_EXTRA_BUILTINS guard.
580 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
582 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Change
583 initialization of V2DI_type_node and unsigned_V2DI_type_node.
585 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
587 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Use the new
588 decl when new_builtins_are_live.
589 * config/rs6000/rs6000-builtin-new.def (__builtin_cfstring): New
592 2021-08-30 Pat Haugen <pthaugen@linux.ibm.com>
594 * config/rs6000/rs6000-cpus.def (ISA_3_1_MASKS_SERVER): Add
595 OPTION_MASK_P10_FUSION_2STORE.
596 (POWERPC_MASKS): Likewise.
597 * config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
598 store fusion for Power10.
599 (is_fusable_store): New.
600 (power10_sched_reorder): Likewise.
601 (rs6000_sched_reorder): Do Power10 specific reordering.
602 (rs6000_sched_reorder2): Likewise.
603 * config/rs6000/rs6000.opt: Add new option.
605 2021-08-30 Richard Biener <rguenther@suse.de>
607 PR tree-optimization/102128
608 * tree-vect-slp.c (vect_bb_vectorization_profitable_p):
609 Move scanning for if-converted scalar code to the caller
610 and instead delay clearing the visited flag for profitable
612 (vect_slp_region): Cost all subgraphs before scheduling.
613 For if-converted BB vectorization scan for scalar COND_EXPRs
614 and do not vectorize if any found and the cost model is
617 2021-08-30 Richard Biener <rguenther@suse.de>
619 * common.opt (fexceptions): Mark
620 EnabledBy(fnon-call-exceptions).
621 * doc/invoke.texi (fnon-call-exceptions): Document this
622 enables -fexceptions.
624 2021-08-30 Sebastian Huber <sebastian.huber@embedded-brains.de>
626 * tsystem.h (abort): Define abort() if inhibit_libc is defined and it
627 is not already defined.
629 2021-08-30 liuhongt <hongtao.liu@intel.com>
631 * expmed.c (extract_bit_field_1): Make sure we're playing with
632 integral modes before call extract_integral_bit_field.
633 (extract_integral_bit_field): Add a parameter of type
634 scalar_int_mode which corresponds to of tmode.
635 And call extract_and_convert_fixed_bit_field instead of
636 extract_fixed_bit_field and convert_extracted_bit_field.
637 (extract_and_convert_fixed_bit_field): New function, it's a
638 combination of extract_fixed_bit_field and
639 convert_extracted_bit_field.
641 2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
643 * config/darwin.c (darwin_libc_has_function): Do not run
644 the checks for x86 or modern Darwin. Make sure that there
645 is a value set for darwin_macosx_version_min before testing.
647 2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
649 * config/i386/darwin.h (CLEAR_INSN_CACHE): New.
651 2021-08-28 Jan Hubicka <hubicka@ucw.cz>
653 * ipa-modref-tree.h (modref_access_node::merge): Break out
654 logic combining offsets and logic merging ranges to ...
655 (modref_access_node::combined_offsets): ... here
656 (modref_access_node::update2): ... here
657 (modref_access_node::closer_pair_p): New member function.
658 (modref_access_node::forced_merge): New member function.
659 (modre_ref_node::insert): Do merging when table is full.
661 2021-08-28 YunQiang Su <yunqiang.su@cipunited.com>
664 * config.gcc: MIPS: use N64 ABI by default if the triple end
665 with -gnuabi64, which is used by Debian since 2013.
667 2021-08-28 Alexandre Oliva <oliva@adacore.com>
669 * ipa-modref.c (analyze_function): Skip debug stmts.
670 * tree-inline.c (estimate_num_insn): Consider builtins even
671 without a cgraph_node.
673 2021-08-27 Jeff Law <jlaw@localhost.localdomain>
675 * config/h8300/bitfield.md (cstore<mode>4): Remove expander.
676 * config/h8300/h8300.c (h8300_expand_branch): Remove function.
677 * config/h8300/h8300-protos.h (h8300_expadn_branch): Remove prototype.
678 * config/h8300/h8300.md (eqne): New code iterator.
679 (geultu, geultu_to_c): Similarly.
680 * config/h8300/testcompare.md (cstore<mode>4): Dummy expander.
681 (store_c_<mode>, store_c_i_<mode>): New define_insn_and_splits
682 (cmp<mode>_c): New pattern
684 2021-08-27 Jeff Law <jlaw@localhost.localdomain>
686 * tree-ssa-dom.c (reduce_vector_comparison_to_scalar_comparison): New
688 (dom_opt_dom_walker::optimize_stmt): Use it.
690 2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
692 * config/darwin.c (finalize_ctors): Add a section-start linker-
694 (finalize_dtors): Likewise.
695 * config/darwin.h (MIN_LD64_INIT_TERM_START_LABELS): New.
697 2021-08-27 Bill Schmidt <wschmidt@linux.ibm.com>
699 * config/rs6000/rs6000-call.c (rs6000-builtins.h): New #include.
700 (rs6000_init_builtins): Call rs6000_init_generated_builtins. Skip the
701 old initialization logic when new builtins are enabled.
702 * config/rs6000/rs6000-gen-builtins.c (write_decls): Rename
703 rs6000_autoinit_builtins to rs6000_init_generated_builtins.
704 (write_init_file): Likewise.
706 2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
708 * configure.ac (darwin2[[0-9]]* | darwin19*): Alter use of
709 gcc_GAS_CHECK_FEATURE to remove an extraneous parameter.
710 (amdgcn-* | gcn-*) Likewise.
712 2021-08-27 Anthony Sharp <anthonysharp15@gmail.com>
714 * symbol-summary.h: Added missing template keyword.
716 2021-08-27 Richard Biener <rguenther@suse.de>
718 PR tree-optimization/45178
719 * tree-ssa-dce.c (find_obviously_necessary_stmts): For
720 infinite loops without exit do not mark control dependent
721 edges of the latch necessary.
723 2021-08-27 konglin1 <lingling.kong@intel.com>
726 * config/i386/sse.md: (<avx512>scattersi<mode>): Add mask operand to
728 (<avx512>scattersi<mode>): Likewise.
729 (*avx512f_scattersi<VI48F:mode>): Merge mask operand to set_dest.
730 (*avx512f_scatterdi<VI48F:mode>): Likewise
732 2021-08-27 Kewen Lin <linkw@linux.ibm.com>
734 * config/rs6000/rs6000.c (rs6000_builtin_md_vectorized_function): Add
735 support for built-in functions MISC_BUILTIN_DIVWE, MISC_BUILTIN_DIVWEU,
736 MISC_BUILTIN_DIVDE, MISC_BUILTIN_DIVDEU, P10_BUILTIN_CFUGED,
737 P10_BUILTIN_CNTLZDM, P10_BUILTIN_CNTTZDM, P10_BUILTIN_PDEPD and
738 P10_BUILTIN_PEXTD on Power10.
740 2021-08-27 Kewen Lin <linkw@linux.ibm.com>
742 * config/rs6000/rs6000-call.c (builtin_function_type): Add unsigned
743 signedness for some Power10 bifs.
745 2021-08-27 David Edelsohn <dje.gcc@gmail.com>
748 * config/rs6000/rs6000.c (rs6000_adjust_field_align): Use
749 computed alignment if the entire struct has attribute packed.
751 2021-08-27 liuhongt <hongtao.liu@intel.com>
755 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
756 IX86_BUILTIN_SHUFPD512, IX86_BUILTIN_SHUFPS512,
757 IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS,
758 IX86_BUILTIN_SHUFPS256.
759 (ix86_masked_all_ones): New function.
761 2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
763 * config/i386/i386.md (*btr<mode>_1): Call force_reg unconditionally.
764 (conditional moves with memory inputs splitters): Ditto.
765 * config/i386/sse.md (one_cmpl<mode>2): Simplify.
767 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
769 * ipa-modref-tree.h (modref_access_node::try_merge_with): Restart
770 search after merging.
772 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
774 * config/rs6000/rs6000-overload.def: Add remaining overloads.
776 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
778 * config/rs6000/rs6000-builtin-new.def: Add cell stanza.
780 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
782 * config/rs6000/rs6000-builtin-new.def: Add ieee128-hw, dfp,
783 crypto, and htm stanzas.
785 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
787 * config/rs6000/rs6000-builtin-new.def: Add mma stanza.
789 2021-08-26 Martin Sebor <msebor@redhat.com>
791 * tree-ssa-uninit.c (warn_uninit): Refactor and simplify.
792 (warn_uninit_phi_uses): Remove argument from calls to warn_uninit.
793 (warn_uninitialized_vars): Same. Reduce visibility of locals.
794 (warn_uninitialized_phi): Same.
796 2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
798 * tree-ssa-ccp.c (get_individual_bits): Helper function to
799 extract the individual bits from a widest_int constant (mask).
800 (gray_code_bit_flips): New read-only table for effiently
801 enumerating permutations/combinations of bits.
802 (bit_value_binop) [LROTATE_EXPR, RROTATE_EXPR]: Handle rotates
803 by unknown counts that are guaranteed less than the target
804 precision and four or fewer unknown bits by enumeration.
805 [LSHIFT_EXPR, RSHIFT_EXPR]: Likewise, also handle shifts by
806 enumeration under the same conditions. Handle remaining
807 shifts as a mask based upon the minimum possible shift value.
809 2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
810 Richard Biener <rguenther@suse.de>
812 * match.pd (shift transformations): Remove a redundant
813 !POINTER_TYPE_P check.
815 2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
818 * config/i386/i386.md (cmove reg-reg move elimination peephole2s):
819 Set all_regs to true in the call to replace_rtx.
821 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
823 * ipa-modref-tree.c (test_insert_search_collapse): Update test.
824 * ipa-modref-tree.h (modref_base_node::insert): Be smarter when
825 hiting --param modref-max-refs limit.
826 (modref_tree:insert_base): Be smarter when hitting
827 --param modref-max-bases limit. Add new parameter REF.
828 (modref_tree:insert): Update.
829 (modref_tree:merge): Update.
830 * ipa-modref.c (read_modref_records): Update.
832 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
834 * params.opt: (modref-max-adjustments): Add full stop.
836 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
838 * ipa-modref-tree.h (modref_ref_node::verify): New member
840 (modref_ref_node::insert): Use it.
841 (modref_ref_node::try_mere_with): Fix off by one error.
843 2021-08-26 Martin Liska <mliska@suse.cz>
844 Stefan Kneifel <stefan.kneifel@bluewin.ch>
846 * cgraph.h (create_version_clone_with_body): Add new parameter.
847 * cgraphclones.c: Likewise.
848 * multiple_target.c (create_dispatcher_calls): Do not use
850 (create_target_clone): Likewise here.
852 2021-08-26 Jonathan Yong <10walls@gmail.com>
854 * doc/extend.texi: Add note about reserved priorities
855 to the constructor attribute.
857 2021-08-25 Martin Sebor <msebor@redhat.com>
859 * gimple-range-cache.cc (ssa_global_cache::dump): Avoid printing
860 range table header alone.
861 * gimple-range.cc (gimple_ranger::export_global_ranges): Same.
863 2021-08-25 Jan Hubicka <hubicka@ucw.cz>
865 * doc/invoke.texi: Document --param modref-max-adjustments.
866 * ipa-modref-tree.c (test_insert_search_collapse): Update.
867 (test_merge): Update.
868 * ipa-modref-tree.h (struct modref_access_node): Add adjustments;
869 (modref_access_node::operator==): Fix handling of access ranges.
870 (modref_access_node::contains): Constify parameter; handle also
871 mismatched parm offsets.
872 (modref_access_node::update): New function.
873 (modref_access_node::merge): New function.
874 (unspecified_modref_access_node): Update constructor.
875 (modref_ref_node::insert_access): Add record_adjustments parameter;
877 (modref_ref_node::try_merge_with): New private function.
878 (modref_tree::insert): New record_adjustments parameter.
879 (modref_tree::merge): New record_adjustments parameter.
880 (modref_tree::copy_from): Update.
881 * ipa-modref.c (dump_access): Dump adjustments field.
882 (get_access): Update constructor.
883 (record_access): Update call of insert.
884 (record_access_lto): Update call of insert.
885 (merge_call_side_effects): Add record_adjustments parameter.
886 (get_access_for_fnspec): Update.
887 (process_fnspec): Update.
888 (analyze_call): Update.
889 (analyze_function): Update.
890 (read_modref_records): Update.
891 (ipa_merge_modref_summary_after_inlining): Update.
892 (propagate_unknown_call): Update.
893 (modref_propagate_in_scc): Update.
894 * params.opt (param-max-modref-adjustments=): New.
896 2021-08-25 Michael Meissner <meissner@linux.ibm.com>
898 * config/rs6000/vsx.md (UNSPEC_XXSPLTIDP): Rename from
900 (xxspltiw_v4si): Use vecperm type attribute.
901 (xxspltiw_v4si_inst): Use vecperm type attribute.
902 (xxspltiw_v4sf_inst): Likewise.
903 (xxspltidp_v2df): Use vecperm type attribute. Use
904 UNSPEC_XXSPLTIDP instead of UNSPEC_XXSPLTID.
905 (xxspltidp_v2df_inst): Likewise.
906 (xxsplti32dx_v4si): Use vecperm type attribute.
907 (xxsplti32dx_v4si_inst): Likewise.
908 (xxsplti32dx_v4sf_inst): Likewise.
909 (xxblend_<mode>): Likewise.
911 (xxpermx_inst): Likewise.
914 2021-08-25 Lewis Hyatt <lhyatt@gmail.com>
917 * coretypes.h (typedef diagnostic_input_charset_callback): Declare.
918 * diagnostic.c (diagnostic_initialize_input_context): New function.
919 * diagnostic.h (diagnostic_initialize_input_context): Declare.
920 * input.c (default_charset_callback): New function.
921 (file_cache::initialize_input_context): New function.
922 (file_cache_slot::create): Added ability to convert the input
923 according to the input context.
924 (file_cache::file_cache): Initialize the new input context.
925 (class file_cache_slot): Added new m_alloc_offset member.
926 (file_cache_slot::file_cache_slot): Initialize the new member.
927 (file_cache_slot::~file_cache_slot): Handle potentially offset buffer.
928 (file_cache_slot::maybe_grow): Likewise.
929 (file_cache_slot::needs_read_p): Handle NULL fp, which is now possible.
930 (file_cache_slot::get_next_line): Likewise.
931 * input.h (class file_cache): Added input context member.
933 2021-08-25 Richard Biener <rguenther@suse.de>
935 PR tree-optimization/102046
936 * tree-vect-slp.c (vect_build_slp_tree_2): Conservatively
937 update ->any_pattern when swapping operands.
939 2021-08-25 Hongyu Wang <hongyu.wang@intel.com>
942 * config/i386/i386.c (ix86_live_on_entry): Adjust comment.
943 (ix86_decompose_address): Remove retval check for ASHIFT,
944 allow non-canonical zero extend if AND mask covers ASHIFT
946 (ix86_legitimate_address_p): Adjust condition for decompose.
947 (ix86_rtx_costs): Adjust cost for lea with non-canonical
949 Co-Authored by: Uros Bizjak <ubizjak@gmail.com>
951 2021-08-25 Jiufu Guo <guojiufu@linux.ibm.com>
953 PR tree-optimization/101145
954 * tree-ssa-loop-niter.c (number_of_iterations_until_wrap):
956 (number_of_iterations_lt): Invoke above function.
957 (adjust_cond_for_loop_until_wrap):
958 Merge to number_of_iterations_until_wrap.
959 (number_of_iterations_cond): Update invokes for
960 adjust_cond_for_loop_until_wrap and number_of_iterations_lt.
962 2021-08-25 konglin1 <lingling.kong@intel.com>
965 * config/i386/avx512dqintrin.h (_mm512_fpclass_ps_mask): Fix
967 (_mm512_mask_fpclass_ps_mask): Ditto.
969 2021-08-25 Kewen Lin <linkw@linux.ibm.com>
971 * config/rs6000/altivec.md (vec_unpacku_hi_v16qi): Remove.
972 (vec_unpacku_hi_v8hi): Likewise.
973 (vec_unpacku_lo_v16qi): Likewise.
974 (vec_unpacku_lo_v8hi): Likewise.
975 (vec_unpacku_hi_<VP_small_lc>): New define_expand.
976 (vec_unpacku_lo_<VP_small_lc>): Likewise.
978 2021-08-24 David Edelsohn <dje.gcc@gmail.com>
980 * config/rs6000/aix.h (SYSTEM_IMPLICIT_EXTERN_C): Delete.
981 * config/rs6000/aix71.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
982 * config/rs6000/aix72.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
983 * config/rs6000/aix73.h (TARGET_AIX_VERSION): Increase to 73.
985 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
988 * simplify-rtx.c (simplify_truncation): When comparing precisions
989 use "subreg_prec" variable, not "subreg_mode".
991 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
993 * config/rs6000/rs6000-builtin-new.def: Add power10 and power10-64
996 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
998 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Initialize
999 various pointer type nodes.
1000 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add enum
1001 values for various pointer types.
1002 (ptr_V16QI_type_node): New macro.
1003 (ptr_V1TI_type_node): New macro.
1004 (ptr_V2DI_type_node): New macro.
1005 (ptr_V2DF_type_node): New macro.
1006 (ptr_V4SI_type_node): New macro.
1007 (ptr_V4SF_type_node): New macro.
1008 (ptr_V8HI_type_node): New macro.
1009 (ptr_unsigned_V16QI_type_node): New macro.
1010 (ptr_unsigned_V1TI_type_node): New macro.
1011 (ptr_unsigned_V8HI_type_node): New macro.
1012 (ptr_unsigned_V4SI_type_node): New macro.
1013 (ptr_unsigned_V2DI_type_node): New macro.
1014 (ptr_bool_V16QI_type_node): New macro.
1015 (ptr_bool_V8HI_type_node): New macro.
1016 (ptr_bool_V4SI_type_node): New macro.
1017 (ptr_bool_V2DI_type_node): New macro.
1018 (ptr_bool_V1TI_type_node): New macro.
1019 (ptr_pixel_type_node): New macro.
1020 (ptr_intQI_type_node): New macro.
1021 (ptr_uintQI_type_node): New macro.
1022 (ptr_intHI_type_node): New macro.
1023 (ptr_uintHI_type_node): New macro.
1024 (ptr_intSI_type_node): New macro.
1025 (ptr_uintSI_type_node): New macro.
1026 (ptr_intDI_type_node): New macro.
1027 (ptr_uintDI_type_node): New macro.
1028 (ptr_intTI_type_node): New macro.
1029 (ptr_uintTI_type_node): New macro.
1030 (ptr_long_integer_type_node): New macro.
1031 (ptr_long_unsigned_type_node): New macro.
1032 (ptr_float_type_node): New macro.
1033 (ptr_double_type_node): New macro.
1034 (ptr_long_double_type_node): New macro.
1035 (ptr_dfloat64_type_node): New macro.
1036 (ptr_dfloat128_type_node): New macro.
1037 (ptr_ieee128_type_node): New macro.
1038 (ptr_ibm128_type_node): New macro.
1039 (ptr_vector_pair_type_node): New macro.
1040 (ptr_vector_quad_type_node): New macro.
1041 (ptr_long_long_integer_type_node): New macro.
1042 (ptr_long_long_unsigned_type_node): New macro.
1044 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
1046 * config/rs6000/rs6000-builtin-new.def: Add power9-vector, power9,
1047 and power9-64 stanzas.
1049 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
1050 Tom de Vries <tdevries@suse.de>
1052 * config.gcc (nvptx-*-*): Define {c,c++}_target_objs.
1053 * config/nvptx/nvptx-protos.h (nvptx_cpu_cpp_builtins): Prototype.
1054 * config/nvptx/nvptx.h (TARGET_CPU_CPP_BUILTINS): Implement with
1055 a call to the new nvptx_cpu_cpp_builtins function in nvptx-c.c.
1056 * config/nvptx/t-nvptx (nvptx-c.o): New rule.
1057 * config/nvptx/nvptx-c.c: New source file.
1058 (nvptx_cpu_cpp_builtins): Move implementation here.
1060 2021-08-24 Martin Sebor <msebor@redhat.com>
1062 PR middle-end/101600
1063 PR middle-end/101977
1064 * gimple-ssa-warn-access.cc (maybe_warn_for_bound): Tighten up
1065 the phrasing of a warning.
1066 (check_access): Use the remaining size after subtracting any offset
1067 rather than the whole object size.
1068 * pointer-query.cc (access_ref::get_ref): Clear BASE0 flag if it's
1069 clear for any nonnull PHI argument.
1070 (compute_objsize): Clear argument.
1072 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
1074 * config/rs6000/rs6000-builtin-new.def: Add power8-vector stanza.
1076 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
1078 * config/rs6000/rs6000-builtin-new.def: Add power7 and power7-64
1081 2021-08-24 Andrew MacLeod <amacleod@redhat.com>
1083 * value-relation.cc (rr_transitive_table): New.
1084 (relation_transitive): New.
1085 (value_relation::swap): Remove.
1086 (value_relation::apply_transitive): New.
1087 (relation_oracle::relation_oracle): Allocate a new tmp bitmap.
1088 (relation_oracle::register_relation): Call register_transitives.
1089 (relation_oracle::register_transitives): New.
1090 * value-relation.h (relation_oracle): Add new temporary bitmap and
1093 2021-08-24 H.J. Lu <hjl.tools@gmail.com>
1096 * config/i386/i386-expand.c (ix86_expand_vector_move): Broadcast
1097 from integer to a pseudo vector register.
1099 2021-08-24 Richard Biener <rguenther@suse.de>
1101 PR tree-optimization/100089
1102 * tree-vectorizer.h (vect_slp_bb): Rename to ...
1103 (vect_slp_if_converted_bb): ... this and get the original
1104 loop as new argument.
1105 * tree-vectorizer.c (try_vectorize_loop_1): Revert previous fix,
1106 pass original loop to vect_slp_if_converted_bb.
1107 * tree-vect-slp.c (vect_bb_vectorization_profitable_p):
1108 If orig_loop was passed scan the not vectorized stmts
1109 for COND_EXPRs and force not profitable if found.
1110 (vect_slp_region): Pass down all SLP instances to costing
1111 if orig_loop was specified.
1112 (vect_slp_bbs): Pass through orig_loop.
1113 (vect_slp_bb): Rename to ...
1114 (vect_slp_if_converted_bb): ... this and get the original
1115 loop as new argument.
1116 (vect_slp_function): Adjust.
1118 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
1121 * config/arm/arm.md (attribute arch): Add fix_vlldm.
1122 (arch_enabled): Use it.
1123 * config/arm/vfp.md (lazy_store_multiple_insn): Add alternative to
1124 use when erratum mitigation is needed.
1126 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
1129 * config/arm/arm.opt (mfix-cmse-cve-2021-35465): New option.
1130 * doc/invoke.texi (Arm Options): Document it.
1131 * config/arm/arm-cpus.in (quirk_vlldm): New feature bit.
1132 (ALL_QUIRKS): Add quirk_vlldm.
1133 (cortex-m33): Add quirk_vlldm.
1134 (cortex-m35p, cortex-m55): Likewise.
1135 * config/arm/arm.c (arm_option_override): Enable fix_vlldm if
1136 targetting an affected CPU and not explicitly controlled on
1139 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
1141 * config/arm/vfp.md (lazy_store_multiple_insn): Rewrite as valid RTL.
1142 (lazy_load_multiple_insn): Likewise.
1144 2021-08-24 liuhongt <hongtao.liu@intel.com>
1147 * config/i386/sse.md (<avx512>_vternlog<mode><sd_maskz_name>):
1148 Enable avx512 embedded broadcast.
1149 (*<avx512>_vternlog<mode>_all): Ditto.
1150 (<avx512>_vternlog<mode>_mask): Ditto.
1152 2021-08-24 liuhongt <hongtao.liu@intel.com>
1155 * config/i386/i386.c (ix86_rtx_costs): Define cost for
1157 * config/i386/i386.h (STRIP_UNARY): New macro.
1158 * config/i386/predicates.md (reg_or_notreg_operand): New
1160 * config/i386/sse.md (*<avx512>_vternlog<mode>_all): New define_insn.
1161 (*<avx512>_vternlog<mode>_1): New pre_reload
1162 define_insn_and_split.
1163 (*<avx512>_vternlog<mode>_2): Ditto.
1164 (*<avx512>_vternlog<mode>_3): Ditto.
1165 (any_logic1,any_logic2): New code iterator.
1166 (logic_op): New code attribute.
1167 (ternlogsuffix): Extend to VNxDF and VNxSF.
1169 2021-08-24 Richard Biener <rguenther@suse.de>
1171 * doc/invoke.texi (vect-inner-loop-cost-factor): Adjust.
1172 * params.opt (--param vect-inner-loop-cost-factor): Adjust
1174 * tree-vect-loop.c (vect_analyze_loop_form): Initialize
1175 inner_loop_cost_factor to the minimum of the estimated number
1176 of iterations of the inner loop and vect-inner-loop-cost-factor.
1178 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
1179 Richard Biener <rguenther@suse.de>
1181 * config/i386/i386-features.c (compute_convert_gain): Provide
1182 more accurate values for CONST_INT, when optimizing for size.
1183 * config/i386/i386.c (COSTS_N_BYTES): Move definition from here...
1184 * config/i386/i386.h (COSTS_N_BYTES): to here.
1186 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
1187 Jakub Jelinek <jakub@redhat.com>
1189 PR middle-end/102029
1190 * match.pd (shift transformations): Add an additional check for
1191 !POINTER_TYPE_P in the recently added left shift transformation.
1193 2021-08-24 liuhongt <hongtao.liu@intel.com>
1195 PR tree-optimization/100089
1196 * tree-vectorizer.c (try_vectorize_loop_1): Disable slp in
1197 loop vectorizer when cost model is very-cheap.
1199 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
1201 * config/rs6000/rs6000-gen-builtins.c (parse_bif_entry): Don't call
1202 asprintf, which is not available on AIX.
1204 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
1206 * config.gcc (target_gtfiles): Add ./rs6000-builtins.h.
1207 * config/rs6000/t-rs6000 (EXTRA_GTYPE_DEPS): Set.
1209 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
1211 * config.gcc (powerpc*-*-*): Add rs6000-builtins.o to extra_objs.
1212 * config/rs6000/rs6000-gen-builtins.c (main): Close init_file
1214 * config/rs6000/t-rs6000 (rs6000-gen-builtins.o): New target.
1215 (rbtree.o): Likewise.
1216 (rs6000-gen-builtins): Likewise.
1217 (rs6000-builtins.c): Likewise.
1218 (rs6000-builtins.h): Likewise.
1219 (rs6000.o): Add dependency.
1220 (EXTRA_HEADERS): Add rs6000-vecdefines.h.
1221 (rs6000-vecdefines.h): New target.
1222 (rs6000-builtins.o): Likewise.
1223 (rs6000-call.o): Add rs6000-builtins.h as a dependency.
1224 (rs6000-c.o): Likewise.
1226 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
1229 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace):
1230 Diagnose buffer overrun.
1231 (safe_inc_pos): Fix overrun detection.
1232 (match_identifier): Diagnose buffer overrun.
1233 (match_integer): Likewise.
1234 (match_to_right_bracket): Likewise.
1236 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
1238 * ipa-modref-tree.h (modref_access_node::range_info_useful_p):
1239 Improve range compare.
1240 (modref_access_node::contains): New member function.
1241 (modref_access_node::search): Remove.
1242 (modref_access_node::insert): Be smarter about subaccesses.
1244 2021-08-23 Thomas Schwinge <thomas@codesourcery.com>
1246 * config/i386/i386-options.c (ix86_omp_device_kind_arch_isa)
1247 <omp_device_arch> [ACCEL_COMPILER]: Match "intel_mic".
1248 * config/i386/t-omp-device (omp-device-properties-i386) <arch>:
1251 2021-08-23 Jeff Law <jlaw@localhost.localdomain>
1253 * config/h8300/h8300-protos.h (h8300_expand_epilogue): Add new
1255 * config/h8300/jumpcall.md (call, call_value): Restrict to
1256 !SIBLING_CALL_P cases.
1257 (subcall, sibcall_value): New patterns & expanders.
1258 * config/h8300/proepi.md (epilogue): Pass new argument to
1259 h8300_expand_epilogue.
1260 (sibcall_epilogue): New expander.
1261 * config/h8300/h8300.c (h8300_expand_epilogue): Handle sibcall
1263 (h8300_ok_for_sibcall_p): New function.
1264 (TARGET_FUNCTION_OK_FOR_SIBCALL): define.
1266 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
1268 * simplify-rtx.c (simplify_unary_operation_1): [TRUNCATE]:
1269 Handle case where the operand is already the desired mode.
1271 2021-08-23 Richard Biener <rguenther@suse.de>
1274 * tree-ssa-structalias.c (ipa_pta_execute): Check in_other_partition
1275 in addition to has_gimple_body.
1277 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
1279 PR middle-end/101949
1280 * ipa-modref.c (analyze_ssa_name_flags): Fix merging of
1283 2021-08-23 Martin Liska <mliska@suse.cz>
1285 * doc/invoke.texi: Put the option out of -mxl-mode-app-model
1288 2021-08-23 Richard Biener <rguenther@suse.de>
1290 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
1291 Properly scale the inner loop cost only once.
1293 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
1295 * tree-ssa-ccp.c (bit_value_binop) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]:
1296 Provide bounds for unsigned (and signed with non-negative operands)
1297 division and modulus.
1299 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
1301 * simplify-rtx.c (simplify_truncation): Generalize simplification
1302 of (truncate:A (subreg:B X)).
1303 (simplify_unary_operation_1) [FLOAT_TRUNCATE, FLOAT_EXTEND,
1304 SIGN_EXTEND, ZERO_EXTEND]: Handle cases where the operand
1305 already has the desired machine mode.
1306 (test_scalar_int_ops): Add tests that useless extensions and
1307 truncations are optimized away.
1308 (test_scalar_int_ext_ops): New self-test function to confirm
1309 that truncations of extensions are correctly simplified.
1310 (test_scalar_int_ext_ops2): New self-test function to check
1311 truncations of truncations, extensions of extensions, and
1312 truncations of extensions.
1313 (test_scalar_ops): Call the above two functions with a
1314 representative sampling of integer machine modes.
1316 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
1318 * match.pd (shift transformations): Change the sign of an
1319 LSHIFT_EXPR if it reduces the number of explicit conversions.
1321 2021-08-23 Jakub Jelinek <jakub@redhat.com>
1323 PR tree-optimization/86723
1324 * gimple-ssa-store-merging.c (find_bswap_or_nop_finalize): Add
1325 cast64_to_32 argument, set *cast64_to_32 to false, unless n is
1326 non-memory permutation of 64-bit src which only has bytes of
1327 0 or [5..8] and n->range is 4.
1328 (find_bswap_or_nop): Add cast64_to_32 and mask arguments, adjust
1329 find_bswap_or_nop_finalize caller, support bswap with some bytes
1330 zeroed, as long as at least two bytes are not zeroed.
1331 (bswap_replace): Add mask argument and handle masking of bswap
1333 (maybe_optimize_vector_constructor): Adjust find_bswap_or_nop
1334 caller, punt if cast64_to_32 or mask is not all ones.
1335 (pass_optimize_bswap::execute): Adjust find_bswap_or_nop_finalize
1336 caller, for now punt if cast64_to_32.
1338 2021-08-23 Richard Biener <rguenther@suse.de>
1340 PR tree-optimization/79334
1341 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
1342 a type also for COMPONENT_REFs.
1343 (vn_reference_may_trap): Check ARRAY_REF with constant index
1344 against the array domain.
1346 2021-08-23 liuhongt <hongtao.liu@intel.com>
1349 * config/i386/sse.md (*avx512f_pshufb_truncv8hiv8qi_1): Add
1350 TARGET_AVX512BW to condition.
1352 2021-08-23 Jakub Jelinek <jakub@redhat.com>
1355 * dwarf2out.c (gen_variable_die): Add DW_AT_location for global
1356 register variables already during early_dwarf if possible.
1358 2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
1360 * config/arm/arm_mve.h: Fix __arm_vctp16q return type.
1362 2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
1365 * config/arm/arm.opt: Fix typo.
1366 * config/arm/t-rmprofile: Fix typo.
1368 2021-08-23 Jakub Jelinek <jakub@redhat.com>
1370 * tree.h (OMP_CLAUSE_GRAINSIZE_STRICT): Define.
1371 (OMP_CLAUSE_NUM_TASKS_STRICT): Define.
1372 * tree-pretty-print.c (dump_omp_clause) <case OMP_CLAUSE_GRAINSIZE,
1373 case OMP_CLAUSE_NUM_TASKS>: Print strict: modifier.
1374 * omp-expand.c (expand_task_call): Use GOMP_TASK_FLAG_STRICT in iflags
1375 if either grainsize or num_tasks clause has the strict modifier.
1377 2021-08-23 Martin Liska <mliska@suse.cz>
1379 * dbgcnt.def (DEBUG_COUNTER): New counter.
1380 * gimple.c (gimple_call_arg_flags): Use it in IPA PTA.
1382 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
1384 * ipa-modref.c (analyze_ssa_name_flags): Improve handling of return slot.
1386 2021-08-23 Xi Ruoyao <xry111@mengyan1223.wang>
1389 * config/mips/mips-protos.h (mips_msa_output_shift_immediate):
1391 * config/mips/mips.c (mips_msa_output_shift_immediate): New
1393 * config/mips/mips-msa.md (vashl<mode>3, vashr<mode>3,
1394 vlshr<mode>3): Call it.
1396 2021-08-22 Jan Hubicka <hubicka@ucw.cz>
1397 Martin Liska <mliska@suse.cz>
1399 PR middle-end/101949
1400 * ipa-modref.c (analyze_ssa_name_flags): Indirect call implies
1403 2021-08-21 Dragan Mladjenovic <OT_Dragan.Mladjenovic@mediatek.com>
1405 * config/mips/mips.c (mips_function_rodata_section,
1406 TARGET_ASM_FUNCTION_RODATA_SECTION): Removed.
1408 2021-08-21 John David Anglin <danglin@gcc.gnu.org>
1410 * config/pa/pa.c (pa_asm_output_aligned_common): Remove warning.
1412 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1414 * configure.ac (thread-local storage support): Remove tls_first_major
1415 and tls_first_minor. Use "$conftest_s" to check support.
1416 * configure: Regenerate.
1418 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1420 * configure.ac: Fixup formatting.
1422 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1424 * acinclude.m4 (gcc_GAS_CHECK_FEATURE): Remove third argument and ...
1425 * configure.ac: ... update all callers.
1427 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1430 * acinclude.m4 (_gcc_COMPUTE_GAS_VERSION, _gcc_GAS_VERSION_GTE_IFELSE)
1431 (gcc_GAS_VERSION_GTE_IFELSE): Remove.
1432 (gcc_GAS_CHECK_FEATURE): Do not handle in-tree case specially.
1433 * configure.ac: Remove gcc_cv_gas_major_version, gcc_cv_gas_minor_version.
1434 Remove remaining checks for in-tree assembler.
1435 * configure: Regenerate.
1437 2021-08-20 Jeff Law <jlaw@localhost.localdomain>
1439 * config/h8300/h8300.c (shift_alg_hi): Improve arithmetic shift right
1440 by 15 bits for H8/300H and H8/S. Improve logical shifts by 12
1442 (shift_alg_si): Improve arithmetic right shift by 28-30 bits for
1443 H8/300H. Improve arithmetic shift right by 15 bits for H8/S.
1444 Improve logical shifts by 27 bits for H8/S.
1445 (get_shift_alg): Corresponding changes.
1446 (h8300_option_override): Revert to loops for -Os when profitable.
1448 2021-08-20 Richard Biener <rguenther@suse.de>
1450 * tree-vect-data-refs.c (dr_group_sort_cmp): Do not compare
1452 (vect_analyze_data_ref_accesses): Likewise. Assign the BB
1453 index as group_id when dataref_groups were not computed.
1454 * tree-vect-slp.c (vect_slp_bbs): Bump current_group when
1455 we advace to the next BB.
1457 2021-08-20 Jakub Jelinek <jakub@redhat.com>
1459 * omp-builtins.def (BUILT_IN_GOMP_WARNING, BUILT_IN_GOMP_ERROR): New
1462 2021-08-20 Martin Liska <mliska@suse.cz>
1464 PR gcov-profile/89961
1465 * gcov.c (make_gcov_file_name): Rewrite using std::string.
1466 (mangle_name): Simplify, do not used the second argument.
1467 (strip_extention): New function.
1468 (get_md5sum): Likewise.
1469 (get_gcov_intermediate_filename): Handle properly -p and -x
1471 (output_gcov_file): Use string type.
1472 (generate_results): Likewise.
1473 (md5sum_to_hex): Remove.
1475 2021-08-20 Michael Meissner <meissner@linux.ibm.com>
1477 * config/rs6000/altivec.md (UNSPEC_XXEVAL): Move to vsx.md.
1478 (UNSPEC_XXSPLTIW): Move to vsx.md.
1479 (UNSPEC_XXSPLTID): Move to vsx.md.
1480 (UNSPEC_XXSPLTI32DX): Move to vsx.md.
1481 (UNSPEC_XXBLEND): Move to vsx.md.
1482 (UNSPEC_XXPERMX): Move to vsx.md.
1483 (VM3): Move to vsx.md.
1484 (VM3_char): Move to vsx.md.
1485 (xxspltiw_v4si): Move to vsx.md.
1486 (xxspltiw_v4sf): Move to vsx.md.
1487 (xxspltiw_v4sf_inst): Move to vsx.md.
1488 (xxspltidp_v2df): Move to vsx.md.
1489 (xxspltidp_v2df_inst): Move to vsx.md.
1490 (xxsplti32dx_v4si_inst): Move to vsx.md.
1491 (xxsplti32dx_v4sf): Move to vsx.md.
1492 (xxsplti32dx_v4sf_inst): Move to vsx.md.
1493 (xxblend_<mode>): Move to vsx.md.
1494 (xxpermx): Move to vsx.md.
1495 (xxpermx_inst): Move to vsx.md.
1496 * config/rs6000/vsx.md (UNSPEC_XXEVAL): Move from altivec.md.
1497 (UNSPEC_XXSPLTIW): Move from altivec.md.
1498 (UNSPEC_XXSPLTID): Move from altivec.md.
1499 (UNSPEC_XXSPLTI32DX): Move from altivec.md.
1500 (UNSPEC_XXBLEND): Move from altivec.md.
1501 (UNSPEC_XXPERMX): Move from altivec.md.
1502 (VM3): Move from altivec.md.
1503 (VM3_char): Move from altivec.md.
1504 (xxspltiw_v4si): Move from altivec.md.
1505 (xxspltiw_v4sf): Move from altivec.md.
1506 (xxspltiw_v4sf_inst): Move from altivec.md.
1507 (xxspltidp_v2df): Move from altivec.md.
1508 (xxspltidp_v2df_inst): Move from altivec.md.
1509 (xxsplti32dx_v4si_inst): Move from altivec.md.
1510 (xxsplti32dx_v4sf): Move from altivec.md.
1511 (xxsplti32dx_v4sf_inst): Move from altivec.md.
1512 (xxblend_<mode>): Move from altivec.md.
1513 (xxpermx): Move from altivec.md.
1514 (xxpermx_inst): Move from altivec.md.
1516 2021-08-19 Roger Sayle <roger@nextmovesoftware.com>
1518 * tree-vect-generic.c (expand_vector_operations_1): Use either
1519 gimplify_build1 or gimplify_build2 instead of gimple_build_assign
1520 when constructing scalar splat expressions.
1522 2021-08-19 Peter Bergner <bergner@linux.ibm.com>
1525 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Cast
1526 pointer to __vector_pair *.
1528 2021-08-19 Martin Sebor <msebor@redhat.com>
1530 * gimple-range.cc: Add comments.
1531 * gimple-range.h: Same.
1533 2021-08-19 Martin Sebor <msebor@redhat.com>
1535 PR middle-end/101984
1536 * gimple-ssa-warn-access.cc (pass_waccess::execute): Also call
1539 2021-08-19 Jeff Law <jlaw@localhost.localdomain>
1541 * config.gcc (h8300-*-elf*): Do not include dbxelf.h.
1542 (h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
1543 * config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.
1545 2021-08-19 Jakub Jelinek <jakub@redhat.com>
1547 PR middle-end/101950
1548 * optabs.c (expand_clrsb_using_clz): New function.
1549 (expand_unop): Use it as another clrsb expansion fallback.
1551 2021-08-19 liuhongt <hongtao.liu@intel.com>
1554 2021-07-28 liuhongt <hongtao.liu@intel.com>
1557 * config/i386/i386.h (processor_costs): Add new member
1559 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
1560 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
1561 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
1562 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
1563 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
1564 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
1565 generic_cost, core_cost): Initialize integer_to_sse same value
1567 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
1568 * config/i386/i386.c (ix86_builtin_vectorization_cost):
1569 Use integer_to_sse instead of sse_op to calculate the cost of
1572 2021-08-18 Iain Sandoe <iain@sandoe.co.uk>
1574 * config.gcc: Include rpath.opt for Darwin.
1575 * config/darwin.h (DRIVER_SELF_SPECS): Handle -rpath.
1577 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1580 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor_expand):
1583 2021-08-18 Jonathan Wright <jonathan.wright@arm.com>
1585 * config/aarch64/arm_neon.h (vld3_lane_f64): Use float RTL
1586 pattern and type cast.
1587 (vld4_lane_f32): Use float RTL pattern.
1588 (vld4q_lane_f64): Use float type cast.
1590 2021-08-18 Jan Hubicka <hubicka@ucw.cz>
1592 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Check also
1595 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1597 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): Extend.
1598 (test_map_of_type_with_ctor_and_dtor_expand): Add function.
1599 (hash_map_tests_c_tests): Call it.
1601 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
1603 * ggc.h (enum ggc_collect): New.
1604 (ggc_collect): Use it.
1605 * ggc-page.c: Adjust.
1606 * ggc-common.c: Likewise.
1607 * ggc-tests.c: Likewise.
1608 * read-rtl-function.c: Likewise.
1609 * selftest-run-tests.c: Likewise.
1610 * doc/gty.texi (Invoking the garbage collector): Likewise.
1612 2021-08-18 liuhongt <hongtao.liu@intel.com>
1615 * config/i386/i386.h (TARGET_V2DF_REDUCTION_PREFER_HADDPD):
1617 * config/i386/sse.md (*sse3_haddv2df3_low): Add
1618 TARGET_V2DF_REDUCTION_PREFER_HADDPD.
1619 (*sse3_hsubv2df3_low): Ditto.
1620 * config/i386/x86-tune.def
1621 (X86_TUNE_V2DF_REDUCTION_PREFER_HADDPD): New tune.
1623 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1625 * gimple-range-gori.cc (gori_compute::gori_compute): Enable tracing.
1626 (gori_compute::compute_operand_range): Add tracing.
1627 (gori_compute::logical_combine): Ditto.
1628 (gori_compute::compute_logical_operands): Ditto.
1629 (gori_compute::compute_operand1_range): Ditto.
1630 (gori_compute::compute_operand2_range): Ditto.
1631 (gori_compute::outgoing_edge_range_p): Ditto.
1632 * gimple-range-gori.h (class gori_compute): Add range_tracer.
1634 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1636 * flag-types.h (enum evrp_mode): Adjust evrp-mode values.
1637 * gimple-range-cache.cc (DEBUG_RANGE_CACHE): Relocate from.
1638 * gimple-range-trace.h (DEBUG_RANGE_CACHE): Here.
1639 * params.opt (--param=evrp-mode): Adjust options.
1641 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1643 * Makefile.in (OBJS): Add gimple-range-trace.o.
1644 * gimple-range-cache.h (enable_new_values): Remove unused prototype.
1645 * gimple-range-fold.cc: Adjust headers.
1646 * gimple-range-trace.cc: New.
1647 * gimple-range-trace.h: New.
1648 * gimple-range.cc (gimple_ranger::gimple_ranger): Enable tracer.
1649 (gimple_ranger::range_of_expr): Add tracing.
1650 (gimple_ranger::range_on_entry): Ditto.
1651 (gimple_ranger::range_on_exit): Ditto.
1652 (gimple_ranger::range_on_edge): Ditto.
1653 (gimple_ranger::fold_range_internal): Ditto.
1654 (gimple_ranger::dump_bb): Do not calculate edge range twice.
1655 (trace_ranger::*): Remove.
1656 (enable_ranger): Never create a trace_ranger.
1657 (debug_seed_ranger): Move to gimple-range-trace.cc.
1658 (dump_ranger): Ditto.
1659 (debug_ranger): Ditto.
1660 * gimple-range.h: Include gimple-range-trace.h.
1661 (range_on_entry, range_on_exit): No longer virtual.
1662 (class trace_ranger): Remove.
1663 (DEBUG_RANGE_CACHE): Move to gimple-range-trace.h.
1665 2021-08-17 Martin Sebor <msebor@redhat.com>
1667 PR middle-end/101854
1668 * builtins.c (expand_builtin_alloca): Move warning code to check_alloca
1669 in gimple-ssa-warn-access.cc.
1670 * calls.c (alloc_max_size): Move code to check_alloca.
1671 (get_size_range): Move to pointer-query.cc.
1672 (maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.cc.
1673 (get_attr_nonstring_decl): Move to tree.c.
1674 (fntype_argno_type): Move to gimple-ssa-warn-access.cc.
1675 (append_attrname): Same.
1676 (maybe_warn_rdwr_sizes): Same.
1677 (initialize_argument_information): Move code to
1678 gimple-ssa-warn-access.cc.
1679 * calls.h (maybe_warn_alloc_args_overflow): Move to
1680 gimple-ssa-warn-access.h.
1681 (get_attr_nonstring_decl): Move to tree.h.
1682 (maybe_warn_nonstring_arg): Move to gimple-ssa-warn-access.h.
1683 (enum size_range_flags): Move to pointer-query.h.
1684 (get_size_range): Same.
1685 * gimple-ssa-warn-access.cc (has_location): Remove unused overload
1686 to avoid Clang -Wunused-function.
1687 (get_size_range): Declare static.
1688 (maybe_emit_free_warning): Rename...
1689 (maybe_check_dealloc_call): ...to this for consistency.
1690 (class pass_waccess): Add members.
1691 (pass_waccess::~pass_waccess): Defined.
1692 (alloc_max_size): Move here from calls.c.
1693 (maybe_warn_alloc_args_overflow): Same.
1694 (check_alloca): New function.
1695 (check_alloc_size_call): New function.
1696 (check_strncat): Handle another warning flag.
1697 (pass_waccess::check_builtin): Handle alloca.
1698 (fntype_argno_type): Move here from calls.c.
1699 (append_attrname): Same.
1700 (maybe_warn_rdwr_sizes): Same.
1701 (pass_waccess::check_call): Define.
1702 (check_nonstring_args): New function.
1703 (pass_waccess::check): Call new member functions.
1704 (pass_waccess::execute): Enable ranger.
1705 * gimple-ssa-warn-access.h (get_size_range): Move here from calls.h.
1706 (maybe_warn_nonstring_arg): Same.
1707 * gimple-ssa-warn-restrict.c: Remove #include.
1708 * pointer-query.cc (get_size_range): Move here from calls.c.
1709 * pointer-query.h (enum size_range_flags): Same.
1710 (get_size_range): Same.
1711 * tree.c (get_attr_nonstring_decl): Move here from calls.c.
1712 * tree.h (get_attr_nonstring_decl): Move here from calls.h.
1714 2021-08-17 Thomas Schwinge <thomas@codesourcery.com>
1716 * ggc.h (ggc_collect): Add 'force_collect' parameter.
1717 * ggc-page.c (ggc_collect): Use that one instead of global
1718 'ggc_force_collect'. Adjust all users.
1719 * doc/gty.texi (Invoking the garbage collector): Update.
1720 * ggc-internal.h (ggc_force_collect): Remove.
1721 * ggc-common.c (ggc_force_collect): Likewise.
1722 * selftest.h (forcibly_ggc_collect): Remove.
1723 * ggc-tests.c (selftest::forcibly_ggc_collect): Likewise.
1724 * read-rtl-function.c (test_loading_labels): Adjust.
1725 * selftest-run-tests.c (run_tests): Likewise.
1727 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
1729 * config/darwin.c (darwin_file_end): Reset and reclaim the
1730 section names table at the end of compile.
1732 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
1735 * config.in: Regenerate.
1736 * config/i386/darwin.h (EXTRA_ASM_OPTS): New
1737 (ASM_SPEC): Pass options to disable branch shortening where
1739 * configure: Regenerate.
1740 * configure.ac: Detect versions of 'as' that support the
1741 optimisation which has the bug.
1743 2021-08-17 Richard Biener <rguenther@suse.de>
1745 * optabs-query.c (supports_vec_gather_load_p): Also check
1747 (supports_vec_scatter_store_p): Likewise.
1748 * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Fall
1749 back to masked variants if non-masked are not supported.
1750 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
1751 When we need to use masked gather/scatter but do not have
1752 a mask set up a constant true one.
1753 * tree-vect-stmts.c (vect_check_scalar_mask): Also allow
1756 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
1758 * tree-ssa-ccp.c (bit_value_binop) [MINUS_EXPR]: Use same
1759 algorithm as PLUS_EXPR to improve subtraction bit bounds.
1760 [POINTER_DIFF_EXPR]: Treat as synonymous with MINUS_EXPR.
1762 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
1764 * tree-ssa-ccp.c (bit_value_mult_const): New helper function to
1765 calculate the mask-value pair result of a multiplication by an
1767 (bit_value_binop) [MULT_EXPR]: Call it from here for
1768 multiplications by (sparse) non-negative constants.
1770 2021-08-17 Christophe Lyon <christophe.lyon@foss.st.com>
1773 * config.gcc (gcc_cv_initfini_array): Leave undefined for
1774 uclinuxfdpiceabi targets.
1776 2021-08-17 Alexandre Oliva <oliva@adacore.com>
1778 * tree-inline.c (maybe_move_debug_stmts_to_successors): Don't
1779 reverse debug stmts.
1781 2021-08-17 Alexandre Oliva <oliva@adacore.com>
1783 * tree-cfg.c (dump_function_to_file): Use fun, not cfun.
1785 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1787 * config/aarch64/arm_neon.h (__LD4_LANE_FUNC): Delete.
1788 (__LD4Q_LANE_FUNC): Likewise.
1789 (vld4_lane_u8): Define without macro.
1790 (vld4_lane_u16): Likewise.
1791 (vld4_lane_u32): Likewise.
1792 (vld4_lane_u64): Likewise.
1793 (vld4_lane_s8): Likewise.
1794 (vld4_lane_s16): Likewise.
1795 (vld4_lane_s32): Likewise.
1796 (vld4_lane_s64): Likewise.
1797 (vld4_lane_f16): Likewise.
1798 (vld4_lane_f32): Likewise.
1799 (vld4_lane_f64): Likewise.
1800 (vld4_lane_p8): Likewise.
1801 (vld4_lane_p16): Likewise.
1802 (vld4_lane_p64): Likewise.
1803 (vld4q_lane_u8): Likewise.
1804 (vld4q_lane_u16): Likewise.
1805 (vld4q_lane_u32): Likewise.
1806 (vld4q_lane_u64): Likewise.
1807 (vld4q_lane_s8): Likewise.
1808 (vld4q_lane_s16): Likewise.
1809 (vld4q_lane_s32): Likewise.
1810 (vld4q_lane_s64): Likewise.
1811 (vld4q_lane_f16): Likewise.
1812 (vld4q_lane_f32): Likewise.
1813 (vld4q_lane_f64): Likewise.
1814 (vld4q_lane_p8): Likewise.
1815 (vld4q_lane_p16): Likewise.
1816 (vld4q_lane_p64): Likewise.
1817 (vld4_lane_bf16): Likewise.
1818 (vld4q_lane_bf16): Likewise.
1820 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1822 * config/aarch64/arm_neon.h (__LD3_LANE_FUNC): Delete.
1823 (__LD3Q_LANE_FUNC): Delete.
1824 (vld3_lane_u8): Define without macro.
1825 (vld3_lane_u16): Likewise.
1826 (vld3_lane_u32): Likewise.
1827 (vld3_lane_u64): Likewise.
1828 (vld3_lane_s8): Likewise.
1829 (vld3_lane_s16): Likewise.
1830 (vld3_lane_s32): Likewise.
1831 (vld3_lane_s64): Likewise.
1832 (vld3_lane_f16): Likewise.
1833 (vld3_lane_f32): Likewise.
1834 (vld3_lane_f64): Likewise.
1835 (vld3_lane_p8): Likewise.
1836 (vld3_lane_p16): Likewise.
1837 (vld3_lane_p64): Likewise.
1838 (vld3q_lane_u8): Likewise.
1839 (vld3q_lane_u16): Likewise.
1840 (vld3q_lane_u32): Likewise.
1841 (vld3q_lane_u64): Likewise.
1842 (vld3q_lane_s8): Likewise.
1843 (vld3q_lane_s16): Likewise.
1844 (vld3q_lane_s32): Likewise.
1845 (vld3q_lane_s64): Likewise.
1846 (vld3q_lane_f16): Likewise.
1847 (vld3q_lane_f32): Likewise.
1848 (vld3q_lane_f64): Likewise.
1849 (vld3q_lane_p8): Likewise.
1850 (vld3q_lane_p16): Likewise.
1851 (vld3q_lane_p64): Likewise.
1852 (vld3_lane_bf16): Likewise.
1853 (vld3q_lane_bf16): Likewise.
1855 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
1857 * config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Delete.
1858 (__LD2Q_LANE_FUNC): Likewise.
1859 (vld2_lane_u8): Define without macro.
1860 (vld2_lane_u16): Likewise.
1861 (vld2_lane_u32): Likewise.
1862 (vld2_lane_u64): Likewise.
1863 (vld2_lane_s8): Likewise.
1864 (vld2_lane_s16): Likewise.
1865 (vld2_lane_s32): Likewise.
1866 (vld2_lane_s64): Likewise.
1867 (vld2_lane_f16): Likewise.
1868 (vld2_lane_f32): Likewise.
1869 (vld2_lane_f64): Likewise.
1870 (vld2_lane_p8): Likewise.
1871 (vld2_lane_p16): Likewise.
1872 (vld2_lane_p64): Likewise.
1873 (vld2q_lane_u8): Likewise.
1874 (vld2q_lane_u16): Likewise.
1875 (vld2q_lane_u32): Likewise.
1876 (vld2q_lane_u64): Likewise.
1877 (vld2q_lane_s8): Likewise.
1878 (vld2q_lane_s16): Likewise.
1879 (vld2q_lane_s32): Likewise.
1880 (vld2q_lane_s64): Likewise.
1881 (vld2q_lane_f16): Likewise.
1882 (vld2q_lane_f32): Likewise.
1883 (vld2q_lane_f64): Likewise.
1884 (vld2q_lane_p8): Likewise.
1885 (vld2q_lane_p16): Likewise.
1886 (vld2q_lane_p64): Likewise.
1887 (vld2_lane_bf16): Likewise.
1888 (vld2q_lane_bf16): Likewise.
1890 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1892 * haifa-sched.c (advance_one_cycle): Output more context-synchronization
1895 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1897 * haifa-sched.c (enum rfs_decision, rfs_str): Add RFS_AUTOPREF.
1898 (rank_for_schedule): Use it.
1900 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
1902 PR rtl-optimization/91598
1903 * haifa-sched.c (autopref_rank_for_schedule): Prioritize "irrelevant"
1904 insns after memory reads and before memory writes.
1906 2021-08-17 Alistair_Lee <alistair.lee@arm.com>
1908 * rtl.h (CONST_VECTOR_P): New macro.
1909 * config/aarch64/aarch64.c (aarch64_get_sve_pred_bits): Use RTL
1910 code testing macros.
1911 (aarch64_ptrue_all_mode): Likewise.
1912 (aarch64_expand_mov_immediate): Likewise.
1913 (aarch64_const_vec_all_in_range_p): Likewise.
1914 (aarch64_rtx_costs): Likewise.
1915 (aarch64_legitimate_constant_p): Likewise.
1916 (aarch64_simd_valid_immediate): Likewise.
1917 (aarch64_simd_make_constant): Likewise.
1918 (aarch64_convert_mult_to_shift): Likewise.
1919 (aarch64_expand_sve_vec_perm): Likewise.
1920 (aarch64_vec_fpconst_pow_of_2): Likewise.
1922 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
1924 PR tree-optimization/101938
1925 * range-op.cc (operator_abs::op1_range): Special case
1926 -TYPE_MIN_VALUE for flag_wrapv.
1928 2021-08-17 Kewen Lin <linkw@linux.ibm.com>
1930 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Add the cost for
1933 2021-08-17 Jakub Jelinek <jakub@redhat.com>
1935 * tree.def (OMP_SCOPE): New tree code.
1936 * tree.h (OMP_SCOPE_BODY, OMP_SCOPE_CLAUSES): Define.
1937 * tree-nested.c (convert_nonlocal_reference_stmt,
1938 convert_local_reference_stmt, convert_gimple_call): Handle
1940 * tree-pretty-print.c (dump_generic_node): Handle OMP_SCOPE.
1941 * gimple.def (GIMPLE_OMP_SCOPE): New gimple code.
1942 * gimple.c (gimple_build_omp_scope): New function.
1943 (gimple_copy): Handle GIMPLE_OMP_SCOPE.
1944 * gimple.h (gimple_build_omp_scope): Declare.
1945 (gimple_has_substatements): Handle GIMPLE_OMP_SCOPE.
1946 (gimple_omp_scope_clauses, gimple_omp_scope_clauses_ptr,
1947 gimple_omp_scope_set_clauses): New inline functions.
1948 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_SCOPE.
1949 * gimple-pretty-print.c (dump_gimple_omp_scope): New function.
1950 (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCOPE.
1951 * gimple-walk.c (walk_gimple_stmt): Likewise.
1952 * gimple-low.c (lower_stmt): Likewise.
1953 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
1954 (gimplify_scan_omp_clauses): For task reductions, handle OMP_SCOPE
1955 like ORT_WORKSHARE constructs. Adjust diagnostics for %<scope%>
1956 allowing task reductions. Reject inscan reductions on scope.
1957 (omp_find_stores_stmt): Handle GIMPLE_OMP_SCOPE.
1958 (gimplify_omp_workshare, gimplify_expr): Handle OMP_SCOPE.
1959 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_SCOPE.
1960 (estimate_num_insns): Likewise.
1961 * omp-low.c (build_outer_var_ref): Look through GIMPLE_OMP_SCOPE
1962 contexts if var isn't privatized there.
1963 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_SCOPE.
1964 (scan_omp_1_stmt): Likewise.
1965 (maybe_add_implicit_barrier_cancel): Look through outer
1967 (lower_omp_scope): New function.
1968 (lower_omp_task_reductions): Handle OMP_SCOPE.
1969 (lower_omp_1): Handle GIMPLE_OMP_SCOPE.
1970 (diagnose_sb_1, diagnose_sb_2): Likewise.
1971 * omp-expand.c (expand_omp_single): Support also GIMPLE_OMP_SCOPE.
1972 (expand_omp): Handle GIMPLE_OMP_SCOPE.
1973 (omp_make_gimple_edges): Likewise.
1974 * omp-builtins.def (BUILT_IN_GOMP_SCOPE_START): New built-in.
1976 2021-08-17 Richard Biener <rguenther@suse.de>
1978 PR tree-optimization/101925
1979 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Set
1980 reverse on COMPONENT_REF and ARRAY_REF according to
1981 what reverse_storage_order_for_component_p does.
1982 (vn_reference_eq): Compare reversed on reference ops.
1983 (reverse_storage_order_for_component_p): New overload.
1984 (vn_reference_lookup_3): Check reverse_storage_order_for_component_p
1985 on the reference looked up.
1987 2021-08-17 Jeff Law <jlaw@localhost.localdomain>
1989 * config/h8300/h8300.c (shift_alg_si): Avoid loops for most SImode
1991 (h8300_option_override): Use loops on H8/S more often when optimizing
1993 (get_shift_alg): Handle new "special" cases on H8/S. Simplify
1994 accordingly. Handle various arithmetic right shifts with special
1995 sequences that we couldn't handle before.
1997 2021-08-16 Jeff Law <jlaw@localhost.localdomain>
1999 * config.gcc (rl78-*-elf*): Do not include dbxelf.h.
2001 2021-08-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2003 * config/sparc/rtemself.h (SPARC_GCOV_TYPE_SIZE): Define.
2004 * config/sparc/sparc.c (sparc_gcov_type_size): New.
2005 (TARGET_GCOV_TYPE_SIZE): Redefine if SPARC_GCOV_TYPE_SIZE is defined.
2006 * coverage.c (get_gcov_type): Use targetm.gcov_type_size().
2007 * doc/tm.texi (TARGET_GCOV_TYPE_SIZE): Add hook under "Misc".
2008 * doc/tm.texi.in: Regenerate.
2009 * target.def (gcov_type_size): New target hook.
2010 * targhooks.c (default_gcov_type_size): New.
2011 * targhooks.h (default_gcov_type_size): Declare.
2012 * tree-profile.c (gimple_gen_edge_profiler): Use precision of
2014 (gimple_gen_time_profiler): Likewise.
2016 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
2018 * dwarf2out.c (add_scalar_info): Deal with DW_AT_data_bit_offset.
2020 2021-08-16 Tobias Burnus <tobias@codesourcery.com>
2022 PR middle-end/101931
2023 * omp-low.c (omp_runtime_api_call): Update for routines
2024 added in the meanwhile.
2026 2021-08-16 Martin Liska <mliska@suse.cz>
2028 PR tree-optimization/100393
2029 * tree-switch-conversion.c (group_cluster::dump): Use
2030 get_comparison_count.
2031 (jump_table_cluster::find_jump_tables): Pre-compute number of
2032 comparisons and then decrement it. Cache also max_ratio.
2033 (jump_table_cluster::can_be_handled): Change signature.
2034 * tree-switch-conversion.h (get_comparison_count): New.
2036 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
2038 * dwarf2out.c (add_data_member_location_attribute): Use GNAT
2039 encodings only when -fgnat-encodings=all is specified.
2040 (add_bound_info): Likewise.
2041 (add_byte_size_attribute): Likewise.
2042 (gen_member_die): Likewise.
2044 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
2046 * omp-oacc-neuter-broadcast.cc
2047 (execute_omp_oacc_neuter_broadcast): Plug 'par' memory leak.
2049 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
2051 * omp-oacc-neuter-broadcast.cc
2052 (execute_omp_oacc_neuter_broadcast): Clarify memory management for
2055 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
2057 * omp-oacc-neuter-broadcast.cc (field_map): Move variable into...
2058 (execute_omp_oacc_neuter_broadcast): ... here.
2059 (install_var_field, build_receiver_ref, build_sender_ref): Take
2060 'field_map_t *' parameter. Adjust all users.
2061 (worker_single_copy, neuter_worker_single): Take a
2062 'record_field_map_t *' parameter. Adjust all users.
2064 2021-08-16 liuhongt <hongtao.liu@intel.com>
2067 * config/i386/i386.md (ldexp<mode>3): Force operands[1] to
2070 2021-08-16 Martin Liska <mliska@suse.cz>
2073 * multiple_target.c (create_dispatcher_calls): Make default
2074 function local only if it is a definition.
2076 2021-08-16 Martin Liska <mliska@suse.cz>
2079 * ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not
2080 consider equal SSA_NAMEs when one is a param.
2082 2021-08-16 liuhongt <hongtao.liu@intel.com>
2085 * config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
2086 Support vpermi2b for V32QI/V16QImode.
2087 (ix86_extract_perm_from_pool_constant): New function.
2088 (ix86_expand_vec_one_operand_perm_avx512): Support
2089 vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
2090 (expand_vec_perm_1): Adjust comments for upper.
2091 * config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
2093 * config/i386/predicates.md (permvar_truncate_operand): New predicate.
2094 (pshufb_truncv4siv4hi_operand): Ditto.
2095 (pshufb_truncv8hiv8qi_operand): Ditto.
2096 * config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
2097 New pre_reload define_insn_and_split.
2098 (*avx512f_permvar_truncv8siv8hi_1): Ditto.
2099 (*avx512f_vpermvar_truncv8div8si_1): Ditto.
2100 (*avx512f_permvar_truncv32hiv32qi_1): Ditto.
2101 (*avx512f_permvar_truncv16hiv16qi_1): Ditto.
2102 (*avx512f_permvar_truncv4div4si_1): Ditto.
2103 (*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
2104 (*avx512f_pshufb_truncv4siv4hi_1): Ditto.
2105 (*avx512f_pshufd_truncv2div2si_1): Ditto.
2107 2021-08-16 Kito Cheng <kito.cheng@sifive.com>
2109 * config/riscv/multilib-generator: Support code model option for
2111 * doc/install.texi: Add document of new option for
2112 --with-multilib-generator.
2114 2021-08-15 Clément Chigot <clement.chigot@atos.net>
2116 * config/rs6000/rs6000.c (xcoff_tls_exec_model_detected): New.
2117 (rs6000_legitimize_tls_address_aix): Use it.
2118 (rs6000_xcoff_file_end): Add ".ref __tls_get_addr" when
2119 xcoff_tls_exec_model_detected is true.
2121 2021-08-15 Jeff Law <jlaw@localhost.localdomain>
2123 * config/h8300/h8300.c (shift_alg_si): Retune H8/300H shifts
2124 to allow a bit more code growth, saving many dozens of cycles.
2125 (h8300_option_override): Adjus shift_alg_si if optimizing for
2127 (get_shift_alg): Use special + inline shifts for residuals
2130 2021-08-14 Stafford Horne <shorne@gmail.com>
2133 * config/or1k/or1k-opts.h: New file.
2134 * config/or1k/or1k.c (or1k_legitimize_address_1, print_reloc):
2135 Support generating gotha relocations if -mcmodel=large is
2137 * config/or1k/or1k.h (TARGET_CMODEL_SMALL, TARGET_CMODEL_LARGE):
2139 * config/or1k/or1k.opt (mcmodel=): New option.
2140 * doc/invoke.texi (OpenRISC Options): Document mcmodel.
2142 2021-08-14 Martin Sebor <msebor@redhat.com>
2144 PR middle-end/101791
2145 * gimple-ssa-warn-access.cc (new_delete_mismatch_p): Use new argument
2146 to valid_new_delete_pair_p.
2147 * tree.c (valid_new_delete_pair_p): Add argument.
2148 * tree.h (valid_new_delete_pair_p): Same.
2150 2021-08-14 Jakub Jelinek <jakub@redhat.com>
2153 * config/i386/i386-expand.c (expand_vec_perm_broadcast_1)
2154 <case E_V64QImode>: For this mode assert
2155 !TARGET_AVX512BW || d->perm[0] rather than !TARGET_AVX2 || d->perm[0].
2157 2021-08-13 Michael Meissner <meissner@linux.ibm.com>
2160 * config/rs6000/altivec.md (xxeval): Use register_predicate
2161 instead of altivec_register_predicate.
2163 2021-08-13 Martin Sebor <msebor@redhat.com>
2165 PR middle-end/101734
2166 * tree-ssa-uninit.c (maybe_warn_read_write_only): New function.
2167 (maybe_warn_operand): Call it.
2169 2021-08-13 Martin Liska <mliska@suse.cz>
2172 * attribs.c (decl_attributes): Make naked functions "noipa"
2175 2021-08-13 Martin Liska <mliska@suse.cz>
2178 * symtab.c (symtab_node::noninterposable_alias): Do not create
2179 local aliases for target_clone functions as the clonning pass
2182 2021-08-13 Martin Liska <mliska@suse.cz>
2184 * opts.c (LIVE_PATCHING_OPTION): Define.
2185 (control_options_for_live_patching): Use it in error messages.
2187 2021-08-13 Jan Hubicka <hubicka@ucw.cz>
2189 * ipa-modref.c (dump_eaf_flags): Dump EAF_NOREAD.
2190 (implicit_const_eaf_flags, implicit_pure_eaf_flags,
2191 ignore_stores_eaf_flags): New constants.
2192 (remove_useless_eaf_flags): New function.
2193 (eaf_flags_useful_p): Use it.
2194 (deref_flags): Add EAF_NOT_RETURNED if flag is unused;
2196 (modref_lattice::init): Add EAF_NOREAD.
2197 (modref_lattice::add_escape_point): Do not reacord escape point if
2199 (modref_lattice::merge): EAF_NOESCAPE implies EAF_NODIRECTESCAPE;
2200 use remove_useless_eaf_flags.
2201 (modref_lattice::merge_deref): Use ignore_stores_eaf_flags.
2202 (modref_lattice::merge_direct_load): Add EAF_NOREAD
2203 (analyze_ssa_name_flags): Fix handling EAF_NOT_RETURNED
2204 (analyze_parms): Use remove_useless_eaf_flags.
2205 (ipa_merge_modref_summary_after_inlining): Use ignore_stores_eaf_flags.
2206 (modref_merge_call_site_flags): Add caller and ecf_flags parameter;
2207 use remove_useless_eaf_flags.
2208 (modref_propagate_flags_in_scc): Update.
2209 * ipa-modref.h: Turn eaf_flags_t back to char.
2210 * tree-core.h (EAF_NOT_RETURNED): Fix.
2211 (EAF_NOREAD): New constant
2212 * tree-ssa-alias.c: (ref_maybe_used_by_call_p_1): Check for
2214 * tree-ssa-structalias.c (handle_rhs_call): Handle new flags.
2215 (handle_pure_call): Likewise.
2217 2021-08-12 Jakub Jelinek <jakub@redhat.com>
2219 * tree.def (OMP_MASKED): New tree code.
2220 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
2221 * tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
2222 OMP_CLAUSE_FILTER_EXPR): Define.
2223 * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
2224 (omp_clause_code_name): Likewise.
2225 (walk_tree_1): Handle OMP_CLAUSE_FILTER.
2226 * tree-nested.c (convert_nonlocal_omp_clauses,
2227 convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
2228 (convert_nonlocal_reference_stmt, convert_local_reference_stmt,
2229 convert_gimple_call): Handle GIMPLE_OMP_MASTER.
2230 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
2231 (dump_generic_node): Handle OMP_MASTER.
2232 * gimple.def (GIMPLE_OMP_MASKED): New gimple code.
2233 * gimple.c (gimple_build_omp_masked): New function.
2234 (gimple_copy): Handle GIMPLE_OMP_MASKED.
2235 * gimple.h (gimple_build_omp_masked): Declare.
2236 (gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
2237 (gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
2238 gimple_omp_masked_set_clauses): New inline functions.
2239 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
2240 * gimple-pretty-print.c (dump_gimple_omp_masked): New function.
2241 (pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
2242 * gimple-walk.c (walk_gimple_stmt): Likewise.
2243 * gimple-low.c (lower_stmt): Likewise.
2244 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
2245 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER. For clauses
2246 that take one expression rather than decl or constant, force
2247 gimplification of that into a SSA_NAME or temporary unless min
2249 (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
2250 (gimplify_expr): Handle OMP_MASKED.
2251 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
2252 (estimate_num_insns): Likewise.
2253 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
2254 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED. Adjust
2255 diagnostics for existence of masked construct.
2256 (scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
2257 diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
2258 * omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
2261 2021-08-12 Uroš Bizjak <ubizjak@gmail.com>
2264 * config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
2265 (ldexp<mode>3): Use avx512f_scalef<mode>2.
2266 (UNSPEC_SCALEF): Move from ...
2267 * config/i386/sse.md (UNSPEC_SCALEF): ... here.
2269 2021-08-12 Jan Hubicka <hubicka@ucw.cz>
2271 * ipa-split.c (consider_split): Fix condition testing void functions.
2273 2021-08-12 Aldy Hernandez <aldyh@redhat.com>
2275 * doc/invoke.texi: Remove docs for threader-mode param.
2276 * flag-types.h (enum threader_mode): Remove.
2277 * params.opt: Remove threader-mode param.
2278 * tree-ssa-threadbackward.c (class back_threader): Remove
2279 path_is_unreachable_p.
2280 Make find_paths private.
2281 Add maybe_thread and thread_through_all_blocks.
2282 Remove reference marker for m_registry.
2283 Remove reference marker for m_profit.
2284 (back_threader::back_threader): Adjust for registry and profit not
2286 (dump_path): Move down.
2288 (class thread_jumps): Remove.
2289 (class back_threader_registry): Remove m_all_paths.
2291 (thread_jumps::thread_through_all_blocks): Move to back_threader
2293 (fsm_find_thread_path): Remove
2294 (back_threader::maybe_thread): New.
2295 (back_threader::thread_through_all_blocks): Move from
2297 (back_threader_registry::back_threader_registry): Remove
2299 (back_threader_registry::~back_threader_registry): Remove.
2300 (thread_jumps::find_taken_edge): Remove.
2301 (thread_jumps::check_subpath_and_update_thread_path): Remove.
2302 (thread_jumps::maybe_register_path): Remove.
2303 (thread_jumps::handle_phi): Remove.
2304 (handle_assignment_p): Remove.
2305 (thread_jumps::handle_assignment): Remove.
2306 (thread_jumps::fsm_find_control_statement_thread_paths): Remove.
2307 (thread_jumps::find_jump_threads_backwards): Remove.
2308 (thread_jumps::find_jump_threads_backwards_with_ranger): Remove.
2309 (try_thread_blocks): Rename find_jump_threads_backwards to
2311 (pass_early_thread_jumps::execute): Same.
2313 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
2315 * tree-core.h (omp_clause_proc_bind_kind): Add
2316 OMP_CLAUSE_PROC_BIND_PRIMARY.
2317 * tree-pretty-print.c (dump_omp_clause): Add TODO comment to
2318 change 'master' to 'primary' in proc_bind for OpenMP 5.1.
2320 2021-08-12 Claudiu Zissulescu <claziss@synopsys.com>
2322 * common/config/arc/arc-common.c (arc_option_init_struct): Remove
2323 fno-common reference.
2324 * config/arc/arc.c (arc_override_options): Remove overriding of
2327 2021-08-12 Jakub Jelinek <jakub@redhat.com>
2330 * config/i386/i386-expand.c (ix86_expand_vec_one_operand_perm_avx512):
2331 If d->testing_p, return true after performing checks instead of
2332 actually expanding the insn.
2333 (expand_vec_perm_broadcast_1): Handle V32HImode - assert
2334 !TARGET_AVX512BW and return false.
2336 2021-08-12 Eric Botcazou <ebotcazou@gcc.gnu.org>
2338 * configure.ac (PE linker --disable-dynamicbase support): New check.
2339 * configure: Regenerate.
2340 * config.in: Likewise.
2341 * config/i386/mingw32.h (LINK_SPEC_DISABLE_DYNAMICBASE): New define.
2342 (LINK_SPEC): Use it.
2343 * config/i386/mingw-w64.h (LINK_SPEC_DISABLE_DYNAMICBASE): Likewise.
2344 (LINK_SPEC): Likewise.
2346 2021-08-12 liuhongt <hongtao.liu@intel.com>
2349 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_2): New
2350 post_reload define_insn_and_split.
2351 (*avx512bw_zero_extendv32qiv32hi2_2): Ditto.
2352 (*sse4_1_zero_extendv8qiv8hi2_4): Ditto.
2353 (*avx512f_zero_extendv16hiv16si2_2): Ditto.
2354 (*avx2_zero_extendv8hiv8si2_2): Ditto.
2355 (*sse4_1_zero_extendv4hiv4si2_4): Ditto.
2356 (*avx512f_zero_extendv8siv8di2_2): Ditto.
2357 (*avx2_zero_extendv4siv4di2_2): Ditto.
2358 (*sse4_1_zero_extendv2siv2di2_4): Ditto.
2359 (VI248_256, VI248_512, VI148_512, VI148_256, VI148_128): New
2362 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
2364 * config/rs6000/rs6000-builtin-new.def: Add always, power5, and
2367 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
2369 * config/rs6000/rs6000-builtin-new.def: Add vsx stanza.
2371 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
2373 * config/rs6000/rs6000-builtin-new.def: Finish altivec stanza.
2374 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Move
2375 initialization of pcvoid_type_node here...
2376 (altivec_init_builtins): ...from here.
2377 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add
2378 RS6000_BTI_const_ptr_void.
2379 (pcvoid_type_node): New macro.
2381 2021-08-11 Richard Biener <rguenther@suse.de>
2384 * tree-ssa-forwprop.c (pass_forwprop::execute): Do not decompose
2385 hard-register accesses.
2387 2021-08-11 Richard Biener <rguenther@suse.de>
2389 * tree-ssa-operands.c (operands_scanner::get_expr_operands):
2390 Do not look at COMPONENT_REF FIELD_DECLs TREE_THIS_VOLATILE
2391 to determine has_volatile_ops.
2393 2021-08-11 Eric Botcazou <ebotcazou@gcc.gnu.org>
2395 * cfgexpand.c (expand_used_vars): Reuse attribs local variable.
2397 2021-08-11 Jan Hubicka <hubicka@ucw.cz>
2398 Alexandre Oliva <oliva@adacore.com>
2400 * ipa-modref.c (modref_lattice::dump): Fix escape_point's min_flags
2402 (modref_lattice::merge_deref): Fix handling of indirect scape points.
2403 (update_escape_summary_1): Likewise.
2404 (update_escape_summary): Likewise.
2405 (ipa_merge_modref_summary_after_inlining): Likewise.
2407 2021-08-11 Richard Biener <rguenther@suse.de>
2409 PR middle-end/101858
2410 * fold-const.c (fold_binary_loc): Guard simplification
2411 of X < (cast) (1 << Y) to integer types.
2413 2021-08-11 Richard Biener <rguenther@suse.de>
2415 PR tree-optimization/101861
2416 * tree-vect-stmts.c (vectorizable_load): Fix error in
2417 previous change with regard to gather vectorization.
2419 2021-08-11 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2422 * config/arm/arm_neon.h (vdup_n_s8): Replace call to builtin
2424 (vdup_n_s16): Likewise.
2425 (vdup_n_s32): Likewise.
2426 (vdup_n_s64): Likewise.
2427 (vdup_n_u8): Likewise.
2428 (vdup_n_u16): Likewise.
2429 (vdup_n_u32): Likewise.
2430 (vdup_n_u64): Likewise.
2431 (vdup_n_p8): Likewise.
2432 (vdup_n_p16): Likewise.
2433 (vdup_n_p64): Likewise.
2434 (vdup_n_f16): Likewise.
2435 (vdup_n_f32): Likewise.
2436 (vdupq_n_s8): Likewise.
2437 (vdupq_n_s16): Likewise.
2438 (vdupq_n_s32): Likewise.
2439 (vdupq_n_s64): Likewise.
2440 (vdupq_n_u8): Likewise.
2441 (vdupq_n_u16): Likewise.
2442 (vdupq_n_u32): Likewise.
2443 (vdupq_n_u64): Likewise.
2444 (vdupq_n_p8): Likewise.
2445 (vdupq_n_p16): Likewise.
2446 (vdupq_n_p64): Likewise.
2447 (vdupq_n_f16): Likewise.
2448 (vdupq_n_f32): Likewise.
2449 (vmov_n_s8): Replace call to builtin with call to corresponding
2451 (vmov_n_s16): Likewise.
2452 (vmov_n_s32): Likewise.
2453 (vmov_n_s64): Likewise.
2454 (vmov_n_u8): Likewise.
2455 (vmov_n_u16): Likewise.
2456 (vmov_n_u32): Likewise.
2457 (vmov_n_u64): Likewise.
2458 (vmov_n_p8): Likewise.
2459 (vmov_n_p16): Likewise.
2460 (vmov_n_f16): Likewise.
2461 (vmov_n_f32): Likewise.
2462 (vmovq_n_s8): Likewise.
2463 (vmovq_n_s16): Likewise.
2464 (vmovq_n_s32): Likewise.
2465 (vmovq_n_s64): Likewise.
2466 (vmovq_n_u8): Likewise.
2467 (vmovq_n_u16): Likewise.
2468 (vmovq_n_u32): Likewise.
2469 (vmovq_n_u64): Likewise.
2470 (vmovq_n_p8): Likewise.
2471 (vmovq_n_p16): Likewise.
2472 (vmovq_n_f16): Likewise.
2473 (vmovq_n_f32): Likewise.
2474 * config/arm/arm_neon_builtins.def: Remove entries for vdup_n.
2476 2021-08-11 liuhongt <hongtao.liu@intel.com>
2479 * config/i386/i386.md (ldexp<mode>3): Extend to vscalefs[sd]
2480 when TARGET_AVX512F and TARGET_SSE_MATH.
2482 2021-08-10 Jakub Jelinek <jakub@redhat.com>
2485 * config/i386/i386-expand.c (expand_vec_perm_even_odd): Return false
2486 for V32HImode if !TARGET_AVX512BW.
2487 (ix86_vectorize_vec_perm_const) <case E_V32HImode, case E_V64QImode>:
2488 If !TARGET_AVX512BW and TARGET_AVX512F and d.testing_p, don't fail
2489 early, but actually check the permutation.
2491 2021-08-10 Richard Biener <rguenther@suse.de>
2493 PR tree-optimization/101809
2494 * tree-vect-stmts.c (get_load_store_type): Allow emulated
2495 gathers with offset vector nunits being a constant multiple
2496 of the data vector nunits.
2497 (vect_get_gather_scatter_ops): Use the appropriate nunits
2498 for the offset vector defs.
2499 (vectorizable_store): Adjust call to
2500 vect_get_gather_scatter_ops.
2501 (vectorizable_load): Likewise. Handle the case of less
2502 offset vectors than data vectors.
2504 2021-08-10 Jakub Jelinek <jakub@redhat.com>
2507 * config/i386/sse.md (*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1,
2508 *avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): New define_insn
2511 2021-08-10 Richard Biener <rguenther@suse.de>
2513 PR tree-optimization/101801
2514 PR tree-optimization/101819
2515 * tree-vectorizer.h (vect_emulated_vector_p): Declare.
2516 * tree-vect-loop.c (vect_emulated_vector_p): New function.
2517 (vectorizable_reduction): Re-instantiate a check for emulated
2519 * tree-vect-stmts.c (vectorizable_shift): Likewise.
2520 (vectorizable_operation): Likewise. Cost emulated vector
2521 operations according to the scalar sequence synthesized by
2524 2021-08-10 Richard Biener <rguenther@suse.de>
2526 PR middle-end/101824
2527 * tree-nested.c (get_frame_field): Mark the COMPONENT_REF as
2528 volatile in case the variable was.
2530 2021-08-10 H.J. Lu <hjl.tools@gmail.com>
2533 * config/i386/constraints.md (BC): Document for integer SSE
2534 constant all bits set operand.
2535 (BF): New constraint for const floating-point all bits set
2537 * config/i386/i386.c (standard_sse_constant_p): Likewise.
2538 (standard_sse_constant_opcode): Likewise.
2539 * config/i386/sse.md (sseconstm1): New mode attribute.
2540 (mov<mode>_internal): Replace BC with <sseconstm1>.
2542 2021-08-10 liuhongt <hongtao.liu@intel.com>
2544 * config/i386/sse.md (cond_<insn><mode>): New expander.
2545 (VI248_AVX512VLBW): New mode iterator.
2546 * config/i386/predicates.md
2547 (nonimmediate_or_const_vec_dup_operand): New predicate.
2549 2021-08-09 Andrew MacLeod <amacleod@redhat.com>
2551 PR tree-optimization/101741
2552 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Check
2553 type of parameter for toupper/tolower.
2555 2021-08-09 Martin Jambor <mjambor@suse.cz>
2558 * ipa-prop.c (propagate_controlled_uses): Removed a spurious space.
2560 2021-08-09 Pat Haugen <pthaugen@linux.ibm.com>
2562 * config/rs6000/rs6000.c (is_load_insn1): Verify destination is a
2564 (is_store_insn1): Verify source is a register.
2566 2021-08-09 Uroš Bizjak <ubizjak@gmail.com>
2569 * config/i386/mmx.md (<any_logic:code>v2sf3):
2570 Rename from *mmx_<any_logic:code>v2sf3
2572 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2574 * config/nvptx/nvptx.c: Cross-reference parts adapted in
2575 'gcc/omp-oacc-neuter-broadcast.cc'.
2576 * omp-low.c: Likewise.
2577 * omp-oacc-neuter-broadcast.cc: Cross-reference parts adapted from
2580 2021-08-09 Julian Brown <julian@codesourcery.com>
2581 Kwok Cheung Yeung <kcy@codesourcery.com>
2582 Thomas Schwinge <thomas@codesourcery.com>
2584 * config/gcn/gcn.c (gcn_init_builtins): Override decls for
2585 BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START,
2586 BUILT_IN_GOACC_SINGLE_COPY_END and BUILT_IN_GOACC_BARRIER.
2587 (gcn_goacc_validate_dims): Turn on worker partitioning unconditionally.
2588 (gcn_fork_join): Update comment.
2589 * config/gcn/gcn.opt (flag_worker_partitioning): Remove.
2590 (macc_experimental_workers): Remove unused option.
2592 2021-08-09 Julian Brown <julian@codesourcery.com>
2593 Nathan Sidwell <nathan@codesourcery.com> (via 'gcc/config/nvptx/nvptx.c' master)
2594 Kwok Cheung Yeung <kcy@codesourcery.com>
2595 Thomas Schwinge <thomas@codesourcery.com>
2597 * Makefile.in (OBJS): Add omp-oacc-neuter-broadcast.o.
2598 * doc/tm.texi.in (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD):
2599 Add documentation hook.
2600 * doc/tm.texi: Regenerate.
2601 * omp-oacc-neuter-broadcast.cc: New file.
2602 * omp-builtins.def (BUILT_IN_GOACC_BARRIER)
2603 (BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START)
2604 (BUILT_IN_GOACC_SINGLE_COPY_END): New builtins.
2605 * passes.def (pass_omp_oacc_neuter_broadcast): Add pass.
2606 * target.def (goacc.create_worker_broadcast_record): Add target
2608 * tree-pass.h (make_pass_omp_oacc_neuter_broadcast): Add
2610 * config/gcn/gcn-protos.h (gcn_goacc_adjust_propagation_record):
2611 Rename prototype to...
2612 (gcn_goacc_create_worker_broadcast_record): ... this.
2613 * config/gcn/gcn-tree.c (gcn_goacc_adjust_propagation_record): Rename
2615 (gcn_goacc_create_worker_broadcast_record): ... this.
2616 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_PROPAGATION_RECORD):
2618 (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD): ... this.
2620 2021-08-09 Tejas Belagod <tejas.belagod@arm.com>
2623 * config/aarch64/aarch64-simd.md (vlshr<mode>3, vashr<mode>3): Use
2626 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2628 * Makefile.in (GTFILES): Remove '$(srcdir)/omp-offload.c'.
2630 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2632 * builtins.def (DEF_GOACC_BUILTIN, DEF_GOMP_BUILTIN): Don't
2633 consider '-foffload-abi'.
2634 * common.opt (-foffload-abi): Remove 'Var', 'Init'.
2635 * opts.c (common_handle_option) <-foffload-abi> [ACCEL_COMPILER]:
2638 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2640 * optc-gen.awk: Sanity check that 'Init' doesn't appear without
2643 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2645 * omp-builtins.def (BUILT_IN_ACC_GET_DEVICE_TYPE): Remove.
2647 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2649 * doc/gty.texi (Files): Update.
2651 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
2653 * doc/gty.texi (Files): Fix GTY header file example.
2655 2021-08-09 Roger Sayle <roger@nextmovesoftware.com>
2657 * tree-ssa-ccp.c (value_mask_to_min_max): Helper function to
2658 determine the upper and lower bounds from a mask-value pair.
2659 (bit_value_unop) [ABS_EXPR, ABSU_EXPR]: Add support for
2660 absolute value and unsigned absolute value expressions.
2661 (bit_value_binop): Initialize *VAL's precision.
2662 [LT_EXPR, LE_EXPR]: Use value_mask_to_min_max to determine
2663 upper and lower bounds of operands. Add LE_EXPR/GE_EXPR
2664 support when the operands are unknown but potentially equal.
2665 [MIN_EXPR, MAX_EXPR]: Support minimum/maximum expressions.
2667 2021-08-09 Bin Cheng <bin.cheng@linux.alibaba.com>
2669 * config/aarch64/aarch64.md
2670 (*extend<SHORT:mode><GPI:mode>2_aarch64): Use %<GPI:w>0.
2672 2021-08-08 Sergei Trofimovich <siarheit@google.com>
2674 * lra-constraints.c: Fix s/otput/output/ typo.
2676 2021-08-06 Martin Sebor <msebor@redhat.com>
2678 * builtins.c (expand_builtin_memchr): Move to gimple-ssa-warn-access.cc.
2679 (expand_builtin_strcat): Same.
2680 (expand_builtin_stpncpy): Same.
2681 (expand_builtin_strncat): Same.
2682 (check_read_access): Same.
2683 (check_memop_access): Same.
2684 (expand_builtin_strlen): Move checks to gimple-ssa-warn-access.cc.
2685 (expand_builtin_strnlen): Same.
2686 (expand_builtin_memcpy): Same.
2687 (expand_builtin_memmove): Same.
2688 (expand_builtin_mempcpy): Same.
2689 (expand_builtin_strcpy): Same.
2690 (expand_builtin_strcpy_args): Same.
2691 (expand_builtin_stpcpy_1): Same.
2692 (expand_builtin_strncpy): Same.
2693 (expand_builtin_memset): Same.
2694 (expand_builtin_bzero): Same.
2695 (expand_builtin_strcmp): Same.
2696 (expand_builtin_strncmp): Same.
2697 (expand_builtin): Remove handlers.
2698 (fold_builtin_strlen): Add a comment.
2699 * builtins.h (check_access): Move to gimple-ssa-warn-access.cc.
2700 * calls.c (maybe_warn_nonstring_arg): Same.
2701 * diagnostic-spec.c (nowarn_spec_t::nowarn_spec_t): Add warning option.
2702 * gimple-fold.c (gimple_fold_builtin_strcpy): Pass argument to callee.
2703 (gimple_fold_builtin_stpcpy): Same.
2704 * gimple-ssa-warn-access.cc (has_location): New function.
2705 (get_location): Same.
2706 (get_callee_fndecl): Same.
2709 (warn_string_no_nul): Define.
2710 (unterminated_array): Same.
2711 (check_nul_terminated_array): Same.
2712 (maybe_warn_nonstring_arg): Same.
2713 (maybe_warn_for_bound): Same.
2714 (warn_for_access): Same.
2715 (check_access): Same.
2716 (check_memop_access): Same.
2717 (check_read_access): Same.
2718 (warn_dealloc_offset): Use helper functions.
2719 (maybe_emit_free_warning): Same.
2720 (class pass_waccess): Add members.
2721 (check_strcat): New function.
2722 (check_strncat): New function.
2723 (check_stxcpy): New function.
2724 (check_stxncpy): New function.
2725 (check_strncmp): New function.
2726 (pass_waccess::check_builtin): New function.
2727 (pass_waccess::check): Call it.
2728 * gimple-ssa-warn-access.h (warn_string_no_nul): Move here from
2730 (maybe_warn_for_bound): Same.
2731 (check_access): Same.
2732 (check_memop_access): Same.
2733 (check_read_access): Same.
2734 * pointer-query.h (struct access_data): Define a ctor overload.
2736 2021-08-06 Richard Biener <rguenther@suse.de>
2738 PR tree-optimization/101801
2739 * tree-vectorizer.h (vect_worthwhile_without_simd_p): Rename...
2740 (vect_can_vectorize_without_simd_p): ... to this.
2741 * tree-vect-loop.c (vect_worthwhile_without_simd_p): Rename...
2742 (vect_can_vectorize_without_simd_p): ... to this and fold
2743 in vect_min_worthwhile_factor.
2744 (vect_min_worthwhile_factor): Remove.
2745 (vectorizable_reduction): Adjust and remove the cost part.
2746 * tree-vect-stmts.c (vectorizable_shift): Likewise.
2747 (vectorizable_operation): Likewise.
2749 2021-08-06 Uroš Bizjak <ubizjak@gmail.com>
2752 * config/i386/i386.md (cmove reg-to-reg move elimination peephole2s):
2753 Add general_gr_operand predicate to operand 3.
2755 2021-08-06 Roger Sayle <roger@nextmovesoftware.com>
2757 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern): Use
2758 CFN_BUILT_IN_CLRSB* instead of BUILT_IN_CLRSB* for consistency.
2760 2021-08-06 Tamar Christina <tamar.christina@arm.com>
2762 * config/aarch64/aarch64-sve-builtins.cc (register_svpattern,
2763 register_svprfop): Pass vec<> by pointer.
2764 * langhooks-def.h (lhd_simulate_enum_decl): Likewise.
2765 * langhooks.c (lhd_simulate_enum_decl): Likewise.
2766 * langhooks.h (struct lang_hooks_for_types): Likewise.
2768 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2770 * config/aarch64/arm_neon.h (vst1_bf16_x2): Use
2771 __builtin_memcpy instead of constructing an additional
2772 __builtin_aarch64_simd_oi one vector at a time.
2773 (vst1q_bf16_x2): Likewise.
2774 (vst1_bf16_x3): Use __builtin_memcpy instead of constructing
2775 an additional __builtin_aarch64_simd_ci one vector at a time.
2776 (vst1q_bf16_x3): Likewise.
2777 (vst1_bf16_x4): Use __builtin_memcpy instead of a union.
2778 (vst1q_bf16_x4): Likewise.
2779 (vst2_bf16): Use __builtin_memcpy instead of constructing an
2780 additional __builtin_aarch64_simd_oi one vector at a time.
2781 (vst2q_bf16): Likewise.
2782 (vst3_bf16): Use __builtin_memcpy instead of constructing an
2783 additional __builtin_aarch64_simd_ci mode one vector at a
2785 (vst3q_bf16): Likewise.
2786 (vst4_bf16): Use __builtin_memcpy instead of constructing an
2787 additional __builtin_aarch64_simd_xi one vector at a time.
2788 (vst4q_bf16): Likewise.
2790 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2792 * config/aarch64/arm_neon.h (__ST2_LANE_FUNC): Delete.
2793 (__ST2Q_LANE_FUNC): Delete.
2794 (vst2_lane_f16): Use __builtin_memcpy to copy vector
2795 structure instead of constructing __builtin_aarch64_simd_oi
2796 one vector at a time.
2797 (vst2_lane_f32): Likewise.
2798 (vst2_lane_f64): Likewise.
2799 (vst2_lane_p8): Likewise.
2800 (vst2_lane_p16): Likewise.
2801 (vst2_lane_p64): Likewise.
2802 (vst2_lane_s8): Likewise.
2803 (vst2_lane_s16): Likewise.
2804 (vst2_lane_s32): Likewise.
2805 (vst2_lane_s64): Likewise.
2806 (vst2_lane_u8): Likewise.
2807 (vst2_lane_u16): Likewise.
2808 (vst2_lane_u32): Likewise.
2809 (vst2_lane_u64): Likewise.
2810 (vst2_lane_bf16): Likewise.
2811 (vst2q_lane_f16): Use __builtin_memcpy to copy vector
2812 structure instead of using a union.
2813 (vst2q_lane_f32): Likewise.
2814 (vst2q_lane_f64): Likewise.
2815 (vst2q_lane_p8): Likewise.
2816 (vst2q_lane_p16): Likewise.
2817 (vst2q_lane_p64): Likewise.
2818 (vst2q_lane_s8): Likewise.
2819 (vst2q_lane_s16): Likewise.
2820 (vst2q_lane_s32): Likewise.
2821 (vst2q_lane_s64): Likewise.
2822 (vst2q_lane_u8): Likewise.
2823 (vst2q_lane_u16): Likewise.
2824 (vst2q_lane_u32): Likewise.
2825 (vst2q_lane_u64): Likewise.
2826 (vst2q_lane_bf16): Likewise.
2828 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2830 * config/aarch64/arm_neon.h (__ST3_LANE_FUNC): Delete.
2831 (__ST3Q_LANE_FUNC): Delete.
2832 (vst3_lane_f16): Use __builtin_memcpy to copy vector
2833 structure instead of constructing __builtin_aarch64_simd_ci
2834 one vector at a time.
2835 (vst3_lane_f32): Likewise.
2836 (vst3_lane_f64): Likewise.
2837 (vst3_lane_p8): Likewise.
2838 (vst3_lane_p16): Likewise.
2839 (vst3_lane_p64): Likewise.
2840 (vst3_lane_s8): Likewise.
2841 (vst3_lane_s16): Likewise.
2842 (vst3_lane_s32): Likewise.
2843 (vst3_lane_s64): Likewise.
2844 (vst3_lane_u8): Likewise.
2845 (vst3_lane_u16): Likewise.
2846 (vst3_lane_u32): Likewise.
2847 (vst3_lane_u64): Likewise.
2848 (vst3_lane_bf16): Likewise.
2849 (vst3q_lane_f16): Use __builtin_memcpy to copy vector
2850 structure instead of using a union.
2851 (vst3q_lane_f32): Likewise.
2852 (vst3q_lane_f64): Likewise.
2853 (vst3q_lane_p8): Likewise.
2854 (vst3q_lane_p16): Likewise.
2855 (vst3q_lane_p64): Likewise.
2856 (vst3q_lane_s8): Likewise.
2857 (vst3q_lane_s16): Likewise.
2858 (vst3q_lane_s32): Likewise.
2859 (vst3q_lane_s64): Likewise.
2860 (vst3q_lane_u8): Likewise.
2861 (vst3q_lane_u16): Likewise.
2862 (vst3q_lane_u32): Likewise.
2863 (vst3q_lane_u64): Likewise.
2864 (vst3q_lane_bf16): Likewise.
2866 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
2868 * config/aarch64/arm_neon.h (__ST4_LANE_FUNC): Delete.
2869 (__ST4Q_LANE_FUNC): Delete.
2870 (vst4_lane_f16): Use __builtin_memcpy to copy vector
2871 structure instead of constructing __builtin_aarch64_simd_xi
2872 one vector at a time.
2873 (vst4_lane_f32): Likewise.
2874 (vst4_lane_f64): Likewise.
2875 (vst4_lane_p8): Likewise.
2876 (vst4_lane_p16): Likewise.
2877 (vst4_lane_p64): Likewise.
2878 (vst4_lane_s8): Likewise.
2879 (vst4_lane_s16): Likewise.
2880 (vst4_lane_s32): Likewise.
2881 (vst4_lane_s64): Likewise.
2882 (vst4_lane_u8): Likewise.
2883 (vst4_lane_u16): Likewise.
2884 (vst4_lane_u32): Likewise.
2885 (vst4_lane_u64): Likewise.
2886 (vst4_lane_bf16): Likewise.
2887 (vst4q_lane_f16): Use __builtin_memcpy to copy vector
2888 structure instead of using a union.
2889 (vst4q_lane_f32): Likewise.
2890 (vst4q_lane_f64): Likewise.
2891 (vst4q_lane_p8): Likewise.
2892 (vst4q_lane_p16): Likewise.
2893 (vst4q_lane_p64): Likewise.
2894 (vst4q_lane_s8): Likewise.
2895 (vst4q_lane_s16): Likewise.
2896 (vst4q_lane_s32): Likewise.
2897 (vst4q_lane_s64): Likewise.
2898 (vst4q_lane_u8): Likewise.
2899 (vst4q_lane_u16): Likewise.
2900 (vst4q_lane_u32): Likewise.
2901 (vst4q_lane_u64): Likewise.
2902 (vst4q_lane_bf16): Likewise.
2904 2021-08-06 Martin Liska <mliska@suse.cz>
2906 * config/rs6000/rs6000.c (rs6000_option_override_internal): When
2907 a target option is restored, it can have
2908 rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode
2909 and error should not be emitted.
2911 2021-08-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
2913 * gcov-io.h (gcov_write): Declare.
2914 * gcov-io.c (gcov_write): New.
2915 (gcov_write_counter): Remove.
2916 (gcov_write_tag_length): Likewise.
2917 (gcov_write_summary): Replace gcov_write_tag_length() with calls to
2918 gcov_write_unsigned().
2919 * doc/invoke.texi (fprofile-info-section): Mention
2920 __gcov_info_to_gdca().
2922 2021-08-06 Martin Sebor <msebor@redhat.com>
2924 * dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
2925 arguments to by-reference.
2926 (iterate_fix_dominators): Same.
2927 * dominance.h (iterate_fix_dominators): Same.
2928 * ipa-prop.h: Call auto_vec::to_vec_legacy.
2929 * tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
2930 arguments to by-reference.
2931 (debug_data_dependence_relation): Same.
2932 (dump_data_dependence_relations): Same.
2933 * tree-data-ref.h (debug_data_dependence_relation): Same.
2934 (dump_data_dependence_relations): Same.
2935 * tree-predcom.c (dump_chains): Same.
2936 (initialize_root_vars_lm): Same.
2937 (determine_unroll_factor): Same.
2938 (replace_phis_by_defined_names): Same.
2939 (insert_init_seqs): Same.
2940 (pcom_worker::tree_predictive_commoning_loop): Call
2941 auto_vec::to_vec_legacy.
2942 * tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
2943 arguments to by-reference.
2944 * tree-ssa-threadbackward.c (populate_worklist): Same.
2945 (back_threader::resolve_def): Same.
2946 * tree-vect-data-refs.c (vect_check_nonzero_value): Same.
2947 (vect_enhance_data_refs_alignment): Same.
2948 (vect_check_lower_bound): Same.
2949 (vect_prune_runtime_alias_test_list): Same.
2950 (vect_permute_store_chain): Same.
2951 * tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
2952 * tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
2953 * tree-vectorizer.h (vect_permute_store_chain): Same.
2954 * vec.c (test_init): New function.
2955 (vec_c_tests): Call new function.
2956 * vec.h (vec): Declare ctors, dtor, and assignment.
2957 (auto_vec::vec_to_legacy): New function.
2958 (vec::copy): Adjust initialization.
2960 2021-08-05 H.J. Lu <hjl.tools@gmail.com>
2963 * config/i386/i386.c (ix86_can_inline_p): Ignore MASK_80387 if
2964 callee only uses GPRs.
2965 * config/i386/ia32intrin.h: Revert commit 5463cee2770.
2966 * config/i386/serializeintrin.h: Revert commit 71958f740f1.
2967 * config/i386/x86gprintrin.h: Add
2968 #pragma GCC target("general-regs-only") and #pragma GCC pop_options
2969 to disable non-GPR ISAs.
2971 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
2973 PR middle-end/101787
2974 * doc/md.texi (cond_ashl, cond_ashr, cond_lshr): Document.
2976 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
2978 * tree-vectorizer.h (vect_is_store_elt_extraction, vect_is_reduction)
2979 (vect_reduc_type, vect_embedded_comparison_type, vect_comparison_type)
2980 (vect_is_extending_load, vect_is_integer_truncation): New functions,
2981 moved from aarch64.c but given different names.
2982 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction)
2983 (aarch64_is_reduction, aarch64_reduc_type)
2984 (aarch64_embedded_comparison_type, aarch64_comparison_type)
2985 (aarch64_extending_load_p, aarch64_integer_truncation_p): Delete
2986 in favor of the above. Update callers accordingly.
2988 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
2991 * config/arm/arm-cpus.in (generic-armv7-a): Add quirk to suppress
2992 writing .cpu directive in asm output.
2993 * config/arm/arm.c (arm_identify_fpu_from_isa): New variable.
2994 (arm_last_printed_arch_string): Delete.
2995 (arm_last-printed_fpu_string): Delete.
2996 (arm_configure_build_target): If use of floating-point/SIMD is
2997 disabled, remove all fp/simd related features from the target ISA.
2998 (last_arm_targ_options): New variable.
2999 (arm_print_asm_arch_directives): Add new parameters. Change order
3000 of emitted directives and handle all cases here.
3001 (arm_file_start): Always call arm_print_asm_arch_directives, move
3002 all generation of .arch/.arch_extension here.
3003 (arm_file_end): Call arm_print_asm_arch.
3004 (arm_declare_function_name): Call arm_print_asm_arch_directives
3005 instead of printing .arch/.fpu directives directly.
3007 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
3009 * config/arm/arm.c (arm_configure_build_target): Don't call
3010 arm_option_reconfigure_globals.
3011 (arm_option_restore): Call arm_option_reconfigure_globals after
3012 reconfiguring the target.
3013 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
3015 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
3017 * config/arm/arm.c (arm_configure_build_target): Ensure the target's
3018 arch_name is always set.
3020 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
3022 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
3023 of vec_select high-half from being added into Neon subtract
3026 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
3028 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
3029 of vec_select high-half from being added into Neon add cost.
3031 2021-08-05 Kewen Lin <linkw@linux.ibm.com>
3033 * cfgloop.h (loops_list::loops_list): Add one optional argument
3034 root and adjust accordingly, update loop tree walking and factor
3036 * cfgloop.c (loops_list::walk_loop_tree): ... this. New function.
3038 2021-08-05 Eric Botcazou <ebotcazou@gcc.gnu.org>
3040 PR tree-optimization/101626
3041 * tree-sra.c (propagate_subaccesses_from_rhs): Do not set the
3042 reverse scalar storage order on a pointer or vector component.
3044 2021-08-05 liuhongt <hongtao.liu@intel.com>
3046 * config/i386/sse.md (cond_<code><mode>): New expander.
3048 2021-08-05 liuhongt <hongtao.liu@intel.com>
3050 * config/i386/sse.md (cond_<code><mode>): New expander.
3052 2021-08-05 liuhongt <hongtao.liu@intel.com>
3054 * config/i386/sse.md (cond_<code><mode>): New expander.
3056 2021-08-04 David Malcolm <dmalcolm@redhat.com>
3059 * Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
3061 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
3064 * config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
3065 only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
3067 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
3070 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
3071 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
3072 data with SSE register from one memory location to another.
3074 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
3076 * config/s390/s390.c (expand_perm_with_vpdi): New function.
3077 (vectorize_vec_perm_const_1): Call expand_perm_with_vpdi.
3078 * config/s390/vector.md (*vpdi1<mode>, @vpdi1<mode>): Enable a
3079 parameterized expander.
3080 (*vpdi4<mode>, @vpdi4<mode>): Likewise.
3082 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
3084 * config/s390/s390.c (MAX_VECT_LEN): Define macro.
3085 (struct expand_vec_perm_d): Define struct.
3086 (expand_perm_with_merge): New function.
3087 (vectorize_vec_perm_const_1): New function.
3088 (s390_vectorize_vec_perm_const): New function.
3089 (TARGET_VECTORIZE_VEC_PERM_CONST): Define target macro.
3091 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
3093 * config/s390/vector.md (V_HW_64): Remove mode iterator.
3094 (*vec_load_pair<mode>): Use V_HW_2 instead of V_HW_64.
3095 * config/s390/vx-builtins.md
3096 (vec_scatter_element<V_HW_2:mode>_SI): Use V_HW_2 instead of
3099 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
3101 * config/s390/s390.md (UNSPEC_VEC_PERMI): Remove constant
3103 * config/s390/vector.md (*vpdi1<mode>, *vpdi4<mode>): New pattern
3105 * config/s390/vx-builtins.md (*vec_permi<mode>): Emit generic rtx
3106 instead of an unspec.
3108 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
3110 * config/s390/s390-modes.def: Add more vector modes to support
3111 concatenation of two vectors.
3112 * config/s390/s390-protos.h (s390_expand_merge_perm_const): Add
3114 (s390_expand_merge): Likewise.
3115 * config/s390/s390.c (s390_expand_merge_perm_const): New function.
3116 (s390_expand_merge): New function.
3117 * config/s390/s390.md (UNSPEC_VEC_MERGEH, UNSPEC_VEC_MERGEL):
3118 Remove constant definitions.
3119 * config/s390/vector.md (V_HW_2): Add mode iterators.
3120 (VI_HW_4, V_HW_4): Rename VI_HW_4 to V_HW_4.
3121 (vec_2x_nelts, vec_2x_wide): New mode attributes.
3122 (*vmrhb, *vmrlb, *vmrhh, *vmrlh, *vmrhf, *vmrlf, *vmrhg, *vmrlg):
3123 New pattern definitions.
3124 (vec_widen_umult_lo_<mode>, vec_widen_umult_hi_<mode>)
3125 (vec_widen_smult_lo_<mode>, vec_widen_smult_hi_<mode>)
3126 (vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf, vec_unpacks_lo_v2df)
3127 (vec_unpacks_hi_v2df): Adjust expanders to emit non-unspec RTX for
3129 * config/s390/vx-builtins.md (V_HW_4): Remove mode iterator. Now
3131 (vec_mergeh<mode>, vec_mergel<mode>): Use s390_expand_merge to
3132 emit vec merge pattern.
3134 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
3136 * config/aarch64/aarch64.c (aarch64_strip_extend_vec_half):
3138 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent cost of
3139 vec_select high-half from being added into Neon multiply
3141 * rtlanal.c (vec_series_highpart_p): Define.
3142 * rtlanal.h (vec_series_highpart_p): Declare.
3144 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
3146 * config/aarch64/aarch64.c (aarch64_strip_duplicate_vec_elt):
3148 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent
3149 vec_select cost from being added into Neon multiply cost.
3151 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
3153 * tree-vect-loop.c (vect_better_loop_vinfo_p): Detect cases in
3154 which old_loop_vinfo is an epilogue loop that handles a constant
3155 number of iterations.
3157 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
3159 * tree-vect-loop.c (vect_analyze_loop): Print a dump message
3160 when a reanalyzed loop fails to be cheaper than the current
3163 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
3165 * config/aarch64/aarch64.c: Fix a typo.
3167 2021-08-04 Vincent Lefèvre <vincent-gcc@vinc17.net>
3169 PR gcov-profile/101773
3170 * gcov-io.c (gcov_close): Check return code of a fclose.
3172 2021-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
3175 * dwarf2out.c (dwarf2out_assembly_start): Emit a dummy
3176 .file statement when needed.
3178 2021-08-04 Richard Biener <rguenther@suse.de>
3180 * tree-vect-data-refs.c (vect_check_gather_scatter):
3181 Include widening conversions only when the result is
3182 still handed by native gather or the current offset
3183 size not already matches the data size.
3184 Also succeed analysis in case there's no native support,
3185 noted by a IFN_LAST ifn and a NULL decl.
3186 (vect_analyze_data_refs): Always consider gathers.
3187 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
3188 Test for no IFN gather rather than decl gather.
3189 * tree-vect-stmts.c (vect_model_load_cost): Pass in the
3190 gather-scatter info and cost emulated gathers accordingly.
3191 (vect_truncate_gather_scatter_offset): Properly test for
3193 (vect_use_strided_gather_scatters_p): Likewise.
3194 (get_load_store_type): Handle emulated gathers and its
3196 (vectorizable_load): Likewise. Emulate them by extracting
3197 scalar offsets, doing scalar loads and a vector construct.
3199 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
3202 * expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
3203 argument to set m_max_size.
3204 (move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
3205 (store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
3206 (compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
3208 2021-08-04 Roger Sayle <roger@nextmovesoftware.com>
3209 Marc Glisse <marc.glisse@inria.fr>
3211 * match.pd (bit_ior, bit_xor): Canonicalize (X*C1)|(X*C2) and
3212 (X*C1)^(X*C2) as X*(C1+C2), and related variants, using
3213 tree_nonzero_bits to ensure that operands are bit-wise disjoint.
3215 2021-08-04 Richard Biener <rguenther@suse.de>
3217 * tree-ssa-forwprop.c (pass_forwprop::execute): Split
3218 out code to decompose vector loads ...
3219 (optimize_vector_load): ... here. Generalize it to
3220 handle intermediate widening and TARGET_MEM_REF loads
3221 and apply it to loads with a supported vector mode as well.
3223 2021-08-04 Richard Biener <rguenther@suse.de>
3225 PR tree-optimization/101756
3226 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Make sure
3227 the result of the reduction epilogue is compatible to the original
3230 2021-08-04 liuhongt <hongtao.liu@intel.com>
3233 * config/i386/i386.md (peephole2): Refine predicate from
3234 register_operand to general_reg_operand.
3236 2021-08-04 Aldy Hernandez <aldyh@redhat.com>
3238 * gimple-range-path.h (path_range_query::dump): Mark override.
3240 2021-08-04 Richard Biener <rguenther@suse.de>
3242 PR tree-optimization/101769
3243 * tree-tailcall.c (eliminate_tail_call): Add the created loop
3244 for the first recursion and return it via the new output parameter.
3245 (optimize_tail_call): Pass through new output param.
3246 (tree_optimize_tail_calls_1): After creating all latches,
3247 add the created loop to the loop tree. Do not mark loops for fixup.
3249 2021-08-04 Martin Liska <mliska@suse.cz>
3251 * doc/invoke.texi: Document threader-mode param.
3253 2021-08-04 liuhongt <hongtao.liu@intel.com>
3255 * config/i386/sse.md (cond_fma<mode>): New expander.
3256 (cond_fms<mode>): Ditto.
3257 (cond_fnma<mode>): Ditto.
3258 (cond_fnms<mode>): Ditto.
3260 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
3262 * config/rs6000/vsx.md (*vsx_le_perm_store_<mode>): Use && instead of &.
3264 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
3266 * config/rs6000/constraints.md: Remove "e" from the list of available
3267 constraint characters.
3269 2021-08-03 Eugene Rozenfeld <erozen@microsoft.com>
3271 PR gcov-profile/71672
3272 * auto-profile.c (afdo_indirect_call): Fix setup of the historgram value for indirect calls.
3274 2021-08-03 Paul A. Clarke <pc@us.ibm.com>
3276 * config/rs6000/smmintrin.h (_mm_minpos_epu16): New.
3278 2021-08-03 H.J. Lu <hjl.tools@gmail.com>
3280 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): In 64-bit mode,
3281 try XMM31 to avoid vzeroupper.
3283 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3285 * doc/invoke.texi: Document -mtune=neoverse-512tvb and
3286 -mcpu=neoverse-512tvb.
3287 * config/aarch64/aarch64-cores.def (neoverse-512tvb): New entry.
3288 * config/aarch64/aarch64-tune.md: Regenerate.
3289 * config/aarch64/aarch64.c (neoverse512tvb_sve_vector_cost)
3290 (neoverse512tvb_sve_issue_info, neoverse512tvb_vec_issue_info)
3291 (neoverse512tvb_vector_cost, neoverse512tvb_tunings): New structures.
3292 (aarch64_adjust_body_cost_sve): Handle -mtune=neoverse-512tvb.
3293 (aarch64_adjust_body_cost): Likewise.
3295 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3297 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Only
3298 record issue information for operations that occur in the
3301 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3303 * config/aarch64/aarch64.c (aarch64_multiply_add_p): Add a vec_flags
3304 parameter. Detect cases in which an Advanced SIMD MLA would almost
3305 certainly require a MOV.
3306 (aarch64_count_ops): Update accordingly.
3308 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3310 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction): New
3311 function, split out from...
3312 (aarch64_detect_vector_stmt_subtype): ...here.
3313 (aarch64_add_stmt_cost): Treat extracting element 0 as free.
3315 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3317 * config/aarch64/aarch64-protos.h (sve_vec_cost):
3318 Add gather_load_x32_cost and gather_load_x64_cost.
3319 * config/aarch64/aarch64.c (generic_sve_vector_cost)
3320 (a64fx_sve_vector_cost, neoversev1_sve_vector_cost): Update
3321 accordingly, using the values given by the scalar_load * number
3322 of elements calculation that we used previously.
3323 (aarch64_detect_vector_stmt_subtype): Use the new fields.
3325 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3327 * config/aarch64/aarch64.c (aarch64_adjust_body_cost_sve): New
3328 function, split out from...
3329 (aarch64_adjust_body_cost): ...here.
3331 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3333 * config/aarch64/fractional-cost.h: New file.
3334 * config/aarch64/aarch64.c: Include <algorithm> (indirectly)
3335 and cost_fraction.h.
3336 (vec_cost_fraction): New typedef.
3337 (aarch64_detect_scalar_stmt_subtype): Use it for statement costs.
3338 (aarch64_detect_vector_stmt_subtype): Likewise.
3339 (aarch64_sve_adjust_stmt_cost, aarch64_adjust_stmt_cost): Likewise.
3340 (aarch64_estimate_min_cycles_per_iter): Use vec_cost_fraction
3342 (aarch64_adjust_body_cost): Likewise.
3343 (aarch64_test_cost_fraction): New function.
3344 (aarch64_run_selftests): Call it.
3346 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
3348 * config/aarch64/aarch64-protos.h (tune_params::sve_width): Turn
3350 * config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Update
3352 (aarch64_estimated_poly_value): Likewise. Use the least significant
3353 set bit for the minimum and likely values. Use the most significant
3354 set bit for the maximum value.
3356 2021-08-03 liuhongt <hongtao.liu@intel.com>
3358 * config/i386/sse.md (cond_<insn><mode>): New expander.
3359 (cond_mul<mode>): Ditto.
3361 2021-08-03 Kewen Lin <linkw@linux.ibm.com>
3363 * tree-cfg.c (move_sese_region_to_fn): Fix typos on dloop.
3365 2021-08-03 liuhongt <hongtao.liu@intel.com>
3367 * config/i386/sse.md (cond_<insn><mode>):New expander.
3368 (cond_mul<mode>): Ditto.
3369 (cond_div<mode>): Ditto.
3371 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
3373 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Also
3374 check stack_realign_needed for stack realignment.
3375 (ix86_legitimate_constant_p): Always allow CONST_WIDE_INT smaller
3376 than the largest integer supported by vector register.
3377 * config/i386/i386.h (MAX_MOVE_MAX): New. Set to 64.
3378 (MOVE_MAX): Set to bytes of the largest integer supported by
3380 (STORE_MAX_PIECES): New.
3382 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
3384 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
3385 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
3386 data from one memory location to another.
3388 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
3391 * config/i386/i386.c (TARGET_GEN_MEMSET_SCRATCH_RTX): New.
3393 2021-08-02 Aldy Hernandez <aldyh@redhat.com>
3395 PR tree-optimization/101724
3396 * params.opt: Remove --param=threader-iterative.
3397 * tree-ssa-threadbackward.c (pass_thread_jumps::execute): Remove
3400 2021-08-02 Tom de Vries <tdevries@suse.de>
3402 PR middle-end/101665
3403 * doc/extend.texi (nonnull attribute): Improve documentation.
3405 2021-08-02 Andrew Pinski <apinski@marvell.com>
3407 PR rtl-optimization/101683
3408 * rtlanal.c (may_trap_p_1): Handle UNSIGNED_FIX.
3410 2021-08-02 Roger Sayle <roger@nextmovesoftware.com>
3412 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern):
3413 Renamed from cond_removal_in_popcount_clz_ctz_pattern.
3414 Add support for BSWAP, FFS, PARITY and CLRSB builtins.
3415 (tree_ssa_phiop_worker): Update call to function above.
3417 2021-08-01 H.J. Lu <hjl.tools@gmail.com>
3420 * config/i386/i386.md (bsr_rex64_1_zext): New.
3421 (combine splitter for constant - clzll): Replace gen_bsr_rex64_1
3422 with gen_bsr_rex64_1_zext.
3424 2021-07-31 Jakub Jelinek <jakub@redhat.com>
3427 * config/i386/i386.md (bsr_rex64_1, bsr_1, bsr_zext_1): New
3428 define_insn patterns.
3429 (*bsr_rex64_2, *bsr_2): New define_insn_and_split patterns.
3430 Add combine splitters for constant - clz.
3431 (clz<mode>2): Use a temporary pseudo for bsr result.
3433 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
3435 * config/rs6000/smmintrin.h (_mm_floor_pd, _mm_floor_ps,
3436 _mm_floor_sd, _mm_floor_ss): New.
3438 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
3440 * config/rs6000/smmintrin.h (_mm_ceil_pd, _mm_ceil_ps,
3441 _mm_ceil_sd, _mm_ceil_ss): New.
3443 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
3445 * config/rs6000/smmintrin.h (_mm_blend_pd, _mm_blendv_pd,
3446 _mm_blend_ps, _mm_blendv_ps): New.
3448 2021-07-30 Roger Sayle <roger@nextmovesoftware.com>
3449 Uroš Bizjak <ubizjak@gmail.com>
3451 * config/i386/i386.md (*dec_cmov<mode>): New define_insn_and_split
3452 to generate a conditional move using the carry flag after sub $1.
3453 (peephole2): Eliminate a register-to-register move by inverting
3454 the condition of a conditional move.
3456 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
3458 * config/mmix/mmix.md ("call", "call_value", "*call_real")
3459 ("*call_value_real"): Don't generate rtx mentioning the generic
3460 operands 1 and 2 to "call", and similarly for "call_value".
3461 * config/mmix/mmix.c (mmix_print_operand_punct_valid_p)
3462 (mmix_print_operand): Use '!' instead of 'p'.
3464 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
3466 * doc/md.texi (call): Correct information about operand 2.
3467 * config/mmix/mmix.md ("call", "call_value"): Remove fixed FIXMEs.
3469 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
3471 * range-op.cc (operator_trunc_mod::wi_fold): Fold constants.
3473 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
3475 * range-op.cc (operator_div::wi_fold): Return UNDEFINED for [0, 0] divisor.
3477 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
3479 * gimple-range-cache.cc (*::set_bb_range): Change const basic_block to
3481 (*::get_bb_range): Ditto.
3482 (*::bb_range_p): Ditto.
3483 * gimple-range-cache.h: Change prototypes.
3485 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
3488 * builtins.c (builtin_memcpy_read_str): Change the mode argument
3489 from scalar_int_mode to fixed_size_mode.
3490 (builtin_strncpy_read_str): Likewise.
3491 (gen_memset_value_from_prev): New function.
3492 (builtin_memset_read_str): Change the mode argument from
3493 scalar_int_mode to fixed_size_mode. Use gen_memset_value_from_prev
3494 and support CONST_VECTOR.
3495 (builtin_memset_gen_str): Likewise.
3496 (try_store_by_multiple_pieces): Use by_pieces_constfn to declare
3498 * builtins.h (builtin_strncpy_read_str): Replace scalar_int_mode
3499 with fixed_size_mode.
3500 (builtin_memset_read_str): Likewise.
3501 * expr.c (widest_int_mode_for_size): Renamed to ...
3502 (widest_fixed_size_mode_for_size): Add a bool argument to
3503 indicate if QI vector mode can be used.
3504 (by_pieces_ninsns): Call widest_fixed_size_mode_for_size
3505 instead of widest_int_mode_for_size.
3506 (pieces_addr::adjust): Change the mode argument from
3507 scalar_int_mode to fixed_size_mode.
3508 (op_by_pieces_d): Make m_len read-only. Add a bool member,
3509 m_qi_vector_mode, to indicate that QI vector mode can be used.
3510 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
3511 initialize m_qi_vector_mode. Call widest_fixed_size_mode_for_size
3512 instead of widest_int_mode_for_size.
3513 (op_by_pieces_d::get_usable_mode): Change the mode argument from
3514 scalar_int_mode to fixed_size_mode. Call
3515 widest_fixed_size_mode_for_size instead of
3516 widest_int_mode_for_size.
3517 (op_by_pieces_d::smallest_fixed_size_mode_for_size): New member
3518 function to return the smallest integer or QI vector mode.
3519 (op_by_pieces_d::run): Call widest_fixed_size_mode_for_size
3520 instead of widest_int_mode_for_size. Call
3521 smallest_fixed_size_mode_for_size instead of
3522 smallest_int_mode_for_size.
3523 (store_by_pieces_d::store_by_pieces_d): Add a bool argument to
3524 indicate that QI vector mode can be used and pass it to
3525 op_by_pieces_d::op_by_pieces_d.
3526 (can_store_by_pieces): Call widest_fixed_size_mode_for_size
3527 instead of widest_int_mode_for_size. Pass memsetp to
3528 widest_fixed_size_mode_for_size to support QI vector mode.
3529 Allow all CONST_VECTORs for memset if vec_duplicate is supported.
3530 (store_by_pieces): Pass memsetp to
3531 store_by_pieces_d::store_by_pieces_d.
3532 (clear_by_pieces_1): Removed.
3533 (clear_by_pieces): Replace clear_by_pieces_1 with
3534 builtin_memset_read_str and pass true to store_by_pieces_d to
3535 support vector mode broadcast.
3536 (string_cst_read_str): Change the mode argument from
3537 scalar_int_mode to fixed_size_mode.
3538 * expr.h (by_pieces_constfn): Change scalar_int_mode to
3540 (by_pieces_prev): Likewise.
3541 * rtl.h (lowpart_subreg_regno): New.
3542 * rtlanal.c (lowpart_subreg_regno): New. A wrapper around
3543 simplify_subreg_regno.
3544 * target.def (gen_memset_scratch_rtx): New hook.
3545 * doc/tm.texi.in: Add TARGET_GEN_MEMSET_SCRATCH_RTX.
3546 * doc/tm.texi: Regenerated.
3548 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
3551 * config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
3552 TARGET_EXPR instead of MODIFY_EXPR.
3554 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
3557 * config/mips/mips-protos.h (mips_expand_vec_cmp_expr): Declare.
3558 * config/mips/mips.c (mips_expand_vec_cmp_expr): New function.
3559 * config/mips/mips-msa.md (vec_cmp<MSA:mode><mode_i>): New
3561 (vec_cmpu<IMSA:mode><mode_i>): New expander.
3563 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
3566 * config/i386/i386-options.c (ix86_option_override_internal):
3567 Don't enable LZCNT/POPCNT if they have been disabled explicitly.
3569 2021-07-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
3572 * config/arm/arm_neon.h (vld1_p64): Replace call to builtin by
3573 explicitly dereferencing __a.
3574 (vld1_s64): Likewise.
3575 (vld1_u64): Likewise.
3576 * config/arm/arm_neon_builtins.def (vld1): Remove entry for di
3577 and change to VAR13.
3579 2021-07-30 Aldy Hernandez <aldyh@redhat.com>
3581 * gimple-loop-versioning.cc (lv_dom_walker::lv_dom_walker): Remove
3582 use of m_range_analyzer.
3583 (loop_versioning::lv_dom_walker::before_dom_children): Same.
3584 (loop_versioning::lv_dom_walker::after_dom_children): Remove.
3585 (loop_versioning::prune_loop_conditions): Replace vr_values use
3586 with range_query interface.
3587 (pass_loop_versioning::execute): Use ranger.
3589 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
3592 * ipa-devirt.c (ipa_odr_read_section): Compare the precision of
3593 enum values, and emit a warning if they mismatch.
3595 2021-07-30 Kewen Lin <linkw@linux.ibm.com>
3597 * cfgloop.h (as_const): New function.
3598 (class loop_iterator): Rename to ...
3599 (class loops_list): ... this.
3600 (loop_iterator::next): Rename to ...
3601 (loops_list::Iter::fill_curr_loop): ... this and adjust.
3602 (loop_iterator::loop_iterator): Rename to ...
3603 (loops_list::loops_list): ... this and adjust.
3604 (loops_list::Iter): New class.
3605 (loops_list::iterator): New type.
3606 (loops_list::const_iterator): New type.
3607 (loops_list::begin): New function.
3608 (loops_list::end): Likewise.
3609 (loops_list::begin const): Likewise.
3610 (loops_list::end const): Likewise.
3611 (FOR_EACH_LOOP): Remove.
3612 (FOR_EACH_LOOP_FN): Remove.
3613 * cfgloop.c (flow_loops_dump): Adjust FOR_EACH_LOOP* with range-based
3614 for loop with loops_list instance.
3615 (sort_sibling_loops): Likewise.
3616 (disambiguate_loops_with_multiple_latches): Likewise.
3617 (verify_loop_structure): Likewise.
3618 * cfgloopmanip.c (create_preheaders): Likewise.
3619 (force_single_succ_latches): Likewise.
3620 * config/aarch64/falkor-tag-collision-avoidance.c
3621 (execute_tag_collision_avoidance): Likewise.
3622 * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Likewise.
3623 * config/s390/s390.c (s390_adjust_loops): Likewise.
3624 * doc/loop.texi: Likewise.
3625 * gimple-loop-interchange.cc (pass_linterchange::execute): Likewise.
3626 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
3627 * gimple-loop-versioning.cc (loop_versioning::analyze_blocks): Likewise.
3628 (loop_versioning::make_versioning_decisions): Likewise.
3629 * gimple-ssa-split-paths.c (split_paths): Likewise.
3630 * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise.
3631 * graphite.c (canonicalize_loop_form): Likewise.
3632 (graphite_transform_loops): Likewise.
3633 * ipa-fnsummary.c (analyze_function_body): Likewise.
3634 * ipa-pure-const.c (analyze_function): Likewise.
3635 * loop-doloop.c (doloop_optimize_loops): Likewise.
3636 * loop-init.c (loop_optimizer_finalize): Likewise.
3637 (fix_loop_structure): Likewise.
3638 * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
3639 (move_loop_invariants): Likewise.
3640 * loop-unroll.c (decide_unrolling): Likewise.
3641 (unroll_loops): Likewise.
3642 * modulo-sched.c (sms_schedule): Likewise.
3643 * predict.c (predict_loops): Likewise.
3644 (pass_profile::execute): Likewise.
3645 * profile.c (branch_prob): Likewise.
3646 * sel-sched-ir.c (sel_finish_pipelining): Likewise.
3647 (sel_find_rgns): Likewise.
3648 * tree-cfg.c (replace_loop_annotate): Likewise.
3649 (replace_uses_by): Likewise.
3650 (move_sese_region_to_fn): Likewise.
3651 * tree-if-conv.c (pass_if_conversion::execute): Likewise.
3652 * tree-loop-distribution.c (loop_distribution::execute): Likewise.
3653 * tree-parloops.c (parallelize_loops): Likewise.
3654 * tree-predcom.c (tree_predictive_commoning): Likewise.
3655 * tree-scalar-evolution.c (scev_initialize): Likewise.
3656 (scev_reset): Likewise.
3657 * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
3658 * tree-ssa-live.c (remove_unused_locals): Likewise.
3659 * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
3660 * tree-ssa-loop-im.c (analyze_memory_references): Likewise.
3661 (tree_ssa_lim_initialize): Likewise.
3662 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
3663 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Likewise.
3664 * tree-ssa-loop-manip.c (get_loops_exits): Likewise.
3665 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Likewise.
3666 (free_numbers_of_iterations_estimates): Likewise.
3667 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3668 * tree-ssa-loop-split.c (tree_ssa_split_loops): Likewise.
3669 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Likewise.
3670 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3671 (pass_scev_cprop::execute): Likewise.
3672 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
3673 * tree-ssa-sccvn.c (do_rpo_vn): Likewise.
3674 * tree-ssa-threadupdate.c
3675 (jump_thread_path_registry::thread_through_all_blocks): Likewise.
3676 * tree-vectorizer.c (vectorize_loops): Likewise.
3677 * tree-vrp.c (vrp_asserts::find_assert_locations): Likewise.
3679 2021-07-29 Hans-Peter Nilsson <hp@bitrange.com>
3681 * config/mmix/mmix.c (mmix_function_arg_1): Avoid
3682 generating a VOIDmode register for e.g the
3683 function_arg_info::end_marker.
3685 2021-07-29 Jeff Law <jeffreyalaw@gmail.com>
3687 * config/h8300/h8300-modes.def: Add CCZ, CCV and CCC, drop CCZNV.
3688 * config/h8300/h8300.md (H8cc mode iterator): Add CCZ.
3689 (cc mode_attr): Similarly.
3690 (ccz subst_attr): Similarly.
3691 * config/h8300/jumpcall.md: Add new patterns for branch-on-bit.
3692 * config/h8300/testcompare.md: Remove various cc0 based patterns
3693 that had been commented out. Add pattern to set CCZ from a bit
3696 2021-07-29 Thomas Schwinge <thomas@codesourcery.com>
3697 Julian Brown <julian@codesourcery.com>
3698 Kwok Cheung Yeung <kcy@codesourcery.com>
3700 * omp-offload.c (oacc_loop_xform_head_tail, oacc_loop_process):
3701 'update_stmt' after modification.
3702 (pass_oacc_loop_designation): New function, extracted out of...
3703 (pass_oacc_device_lower): ... this.
3704 (pass_data_oacc_loop_designation, pass_oacc_loop_designation)
3705 (make_pass_oacc_loop_designation): New
3706 * passes.def: Add it.
3707 * tree-parloops.c (create_parallel_loop): Adjust.
3708 * tree-pass.h (make_pass_oacc_loop_designation): New.
3710 2021-07-29 Aldy Hernandez <aldyh@redhat.com>
3712 * flag-types.h (enum threader_mode): New.
3713 * params.opt: Add entry for --param=threader-mode.
3714 * tree-ssa-threadbackward.c (THREADER_ITERATIVE_MODE): New.
3715 (class back_threader): New.
3716 (back_threader::back_threader): New.
3717 (back_threader::~back_threader): New.
3718 (back_threader::maybe_register_path): New.
3719 (back_threader::find_taken_edge): New.
3720 (back_threader::find_taken_edge_switch): New.
3721 (back_threader::find_taken_edge_cond): New.
3722 (back_threader::resolve_def): New.
3723 (back_threader::resolve_phi): New.
3724 (back_threader::find_paths_to_names): New.
3725 (back_threader::find_paths): New.
3728 (thread_jumps::find_jump_threads_backwards): Call ranger threader.
3729 (thread_jumps::find_jump_threads_backwards_with_ranger): New.
3730 (pass_thread_jumps::execute): Abstract out code...
3731 (try_thread_blocks): ...here.
3732 * tree-ssa-threadedge.c (jump_threader::thread_outgoing_edges):
3733 Abstract out threading candidate code to...
3734 (single_succ_to_potentially_threadable_block): ...here.
3735 * tree-ssa-threadedge.h (single_succ_to_potentially_threadable_block):
3737 * tree-ssa-threadupdate.c (register_jump_thread): Return boolean.
3738 * tree-ssa-threadupdate.h (class jump_thread_path_registry):
3739 Return bool from register_jump_thread.
3741 2021-07-29 Andreas Krebbel <krebbel@linux.ibm.com>
3743 * target.def: in0 and in1 do not need to be registers.
3744 * doc/tm.texi: Regenerate.
3746 2021-07-29 liuhongt <hongtao.liu@intel.com>
3749 * config/i386/i386.c (ix86_widen_mult_cost): New function.
3750 (ix86_add_stmt_cost): Use ix86_widen_mult_cost for
3753 2021-07-29 Jiufu Guo <guojiufu@linux.ibm.com>
3756 * config/rs6000/rs6000.c (TARGET_PREFERRED_DOLOOP_MODE): New hook.
3757 (rs6000_preferred_doloop_mode): New hook.
3758 * doc/tm.texi: Regenerate.
3759 * doc/tm.texi.in: Add hook preferred_doloop_mode.
3760 * target.def (preferred_doloop_mode): New hook.
3761 * targhooks.c (default_preferred_doloop_mode): New hook.
3762 * targhooks.h (default_preferred_doloop_mode): New hook.
3763 * tree-ssa-loop-ivopts.c (compute_doloop_base_on_mode): New function.
3764 (add_iv_candidate_for_doloop): Call targetm.preferred_doloop_mode
3765 and compute_doloop_base_on_mode.
3767 2021-07-28 Martin Sebor <msebor@redhat.com>
3769 PR middle-end/101494
3770 * tree-ssa-uninit.c (maybe_warn_operand): Correct object offset
3771 and size computation.
3773 2021-07-28 Martin Sebor <msebor@redhat.com>
3775 PR middle-end/101601
3776 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Remove
3778 Handle pointers to functions.
3780 2021-07-28 Martin Sebor <msebor@redhat.com>
3782 * Makefile.in (OBJS): Add gimple-ssa-warn-access.o and pointer-query.o.
3783 * attribs.h (fndecl_dealloc_argno): Move fndecl_dealloc_argno to tree.h.
3784 * builtins.c (compute_objsize_r): Move to pointer-query.cc.
3785 (access_ref::access_ref): Same.
3786 (access_ref::phi): Same.
3787 (access_ref::get_ref): Same.
3788 (access_ref::size_remaining): Same.
3789 (access_ref::offset_in_range): Same.
3790 (access_ref::add_offset): Same.
3791 (access_ref::inform_access): Same.
3792 (ssa_name_limit_t::visit_phi): Same.
3793 (ssa_name_limit_t::leave_phi): Same.
3794 (ssa_name_limit_t::next): Same.
3795 (ssa_name_limit_t::next_phi): Same.
3796 (ssa_name_limit_t::~ssa_name_limit_t): Same.
3797 (pointer_query::pointer_query): Same.
3798 (pointer_query::get_ref): Same.
3799 (pointer_query::put_ref): Same.
3800 (pointer_query::flush_cache): Same.
3801 (warn_string_no_nul): Move to gimple-ssa-warn-access.cc.
3802 (check_nul_terminated_array): Same.
3803 (unterminated_array): Same.
3804 (maybe_warn_for_bound): Same.
3805 (check_read_access): Same.
3806 (warn_for_access): Same.
3807 (get_size_range): Same.
3808 (check_access): Same.
3809 (gimple_call_alloc_size): Move to tree.c.
3810 (gimple_parm_array_size): Move to pointer-query.cc.
3811 (get_offset_range): Same.
3812 (gimple_call_return_array): Same.
3813 (handle_min_max_size): Same.
3814 (handle_array_ref): Same.
3815 (handle_mem_ref): Same.
3816 (compute_objsize): Same.
3817 (gimple_call_alloc_p): Move to gimple-ssa-warn-access.cc.
3818 (call_dealloc_argno): Same.
3819 (fndecl_dealloc_argno): Same.
3820 (new_delete_mismatch_p): Same.
3821 (matching_alloc_calls_p): Same.
3822 (warn_dealloc_offset): Same.
3823 (maybe_emit_free_warning): Same.
3824 * builtins.h (check_nul_terminated_array): Move to
3825 gimple-ssa-warn-access.h.
3826 (check_nul_terminated_array): Same.
3827 (warn_string_no_nul): Same.
3828 (unterminated_array): Same.
3829 (class ssa_name_limit_t): Same.
3830 (class pointer_query): Same.
3831 (struct access_ref): Same.
3832 (class range_query): Same.
3833 (struct access_data): Same.
3834 (gimple_call_alloc_size): Same.
3835 (gimple_parm_array_size): Same.
3836 (compute_objsize): Same.
3837 (class access_data): Same.
3838 (maybe_emit_free_warning): Same.
3839 * calls.c (initialize_argument_information): Remove call to
3840 maybe_emit_free_warning.
3841 * gimple-array-bounds.cc: Include new header..
3842 * gimple-fold.c: Same.
3843 * gimple-ssa-sprintf.c: Same.
3844 * gimple-ssa-warn-restrict.c: Same.
3845 * passes.def: Add pass_warn_access.
3846 * tree-pass.h (make_pass_warn_access): Declare.
3847 * tree-ssa-strlen.c: Include new headers.
3848 * tree.c (fndecl_dealloc_argno): Move here from builtins.c.
3849 * tree.h (fndecl_dealloc_argno): Move here from attribs.h.
3850 * gimple-ssa-warn-access.cc: New file.
3851 * gimple-ssa-warn-access.h: New file.
3852 * pointer-query.cc: New file.
3853 * pointer-query.h: New file.
3855 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3857 PR middle-end/101624
3858 * ubsan.c (maybe_instrument_pointer_overflow,
3859 instrument_object_size): Only test DECL_REGISTER on VAR_DECLs,
3860 PARM_DECLs or RESULT_DECLs.
3861 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Likewise.
3863 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3865 PR middle-end/101642
3866 * match.pd (bswap16 (x) == bswap16 (y)): Cast both operands
3867 to type of bswap16 for comparison.
3868 (bswap16 (x) == cst): Cast bswap16 operand to type of cst.
3870 2021-07-28 Richard Biener <rguenther@suse.de>
3872 PR tree-optimization/101615
3873 * tree-vect-slp.c (vect_optimize_slp): Materialize permutes
3874 at CTOR SLP graph entries.
3876 2021-07-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3878 * config/aarch64/aarch64.md (*extend<SHORT:mode><GPI:mode>2_aarch64):
3879 Add "r,w" alternative.
3881 2021-07-28 H.J. Lu <hjl.tools@gmail.com>
3884 * config/i386/i386.c (ix86_avx_u128_mode_needed): Don't set
3885 AVX_U128_DIRTY when all bits are zero.
3887 2021-07-28 Richard Biener <rguenther@suse.de>
3889 PR tree-optimization/101615
3890 * tree-vect-slp.c (vect_optimize_slp): Pre-existing vector
3891 external nodes cannot be permuted so make them perm_out 0.
3893 2021-07-28 Andrew Stubbs <ams@codesourcery.com>
3896 * config.in: Regenerate.
3897 * config/gcn/gcn-hsa.h (A_FIJI): New define.
3898 (A_900): New define.
3899 (A_906): New define.
3900 (A_908): New define.
3901 (ASM_SPEC): Use A_FIJI, A_900, A_906 and A_908.
3902 * config/gcn/gcn.c (output_file_start): Adjust attributes according
3903 to the assembler capabilities.
3904 * config/gcn/mkoffload.c (main): Likewise.
3905 * configure: Regenerate.
3906 * configure.ac: Add tests for LLVM assembler attribute features.
3908 2021-07-28 Andrew MacLeod <amacleod@redhat.com>
3910 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Check for
3911 cond_false and cond_true on branches.
3913 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
3915 * config/aarch64/aarch64.c (aarch64_gen_adjusted_ldpstp): use
3918 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
3920 * alias.c (init_alias_analysis): Don't skip prologue/epilogue.
3922 2021-07-28 Jakub Jelinek <jakub@redhat.com>
3925 * config/i386/sse.md (vashr<mode>3): Split into vashrv8di3 expander
3926 and vashrv4di3 expander, where the latter requires just TARGET_AVX2
3927 and has special !TARGET_AVX512VL expansion.
3928 (vashrv2di3<mask_name>): Rename to ...
3929 (vashrv2di3): ... this. Change condition to TARGET_XOP || TARGET_AVX2
3930 and add special !TARGET_XOP && !TARGET_AVX512VL expansion.
3932 2021-07-28 Martin Uecker <muecker@gwdg.de>
3934 * calls.c (maybe_warn_rdwr_sizes): Correct argument
3935 numbers in warning that were switched.
3937 2021-07-28 Kewen Lin <linkw@linux.ibm.com>
3939 PR tree-optimization/101596
3940 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Fix wrong check
3941 by using new_type's precision instead.
3943 2021-07-28 liuhongt <hongtao.liu@intel.com>
3946 * config/i386/i386.h (processor_costs): Add new member
3948 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
3949 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
3950 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
3951 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
3952 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
3953 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
3954 generic_cost, core_cost): Initialize integer_to_sse same value
3956 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
3957 * config/i386/i386.c (ix86_builtin_vectorization_cost):
3958 Use integer_to_sse instead of sse_op to calculate the cost of
3961 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3963 * config/rs6000/rs6000-gen-builtins.c (write_ovld_static_init): New
3965 (write_init_file): Call write_ovld_static_init.
3967 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3969 * config/rs6000/rs6000-gen-builtins.c (write_bif_static_init): New
3971 (write_init_file): Call write_bif_static_init.
3973 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
3975 * config/rs6000/rs6000-gen-builtins.c (typemap): New struct.
3976 (TYPE_MAP_SIZE): New macro.
3977 (type_map): New initialized variable.
3978 (typemap_cmp): New function.
3979 (write_type_node): Likewise.
3980 (write_fntype_init): Implement.
3982 2021-07-27 Martin Sebor <msebor@redhat.com>
3984 PR tree-optimization/101584
3985 * tree-ssa-uninit.c (builtin_call_nomodifying_p): New function.
3986 (check_defs): Call it.
3988 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
3990 * tree-ssa-dom.c (dom_jump_threader_simplifier):
3991 Put avail_exprs_stack in the class, instead of passing it to
3992 jump_threader_simplifier.
3993 (dom_jump_threader_simplifier::simplify): Add state argument.
3994 (dom_opt_dom_walker): Add state.
3995 (pass_dominator::execute): Pass state to threader.
3996 (dom_opt_dom_walker::before_dom_children): Use state.
3997 * tree-ssa-threadedge.c (jump_threader::jump_threader): Replace
3999 (jump_threader::record_temporary_equivalences_from_phis):
4000 Register equivalences through the state variable.
4001 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
4002 Record ranges in a statement through the state variable.
4003 (jump_threader::simplify_control_stmt_condition): Pass state to
4005 (jump_threader::simplify_control_stmt_condition_1): Same.
4006 (jump_threader::thread_around_empty_blocks): Remove obsolete
4008 (jump_threader::thread_through_normal_block): Record equivalences
4009 on edge through the state variable.
4010 (jump_threader::thread_across_edge): Abstract state pushing.
4011 (jt_state::jt_state): New.
4012 (jt_state::push): New.
4013 (jt_state::pop): New.
4014 (jt_state::register_equiv): New.
4015 (jt_state::record_ranges_from_stmt): New.
4016 (jt_state::register_equivs_on_edge): New.
4017 (jump_threader_simplifier::jump_threader_simplifier): Move from
4019 (jump_threader_simplifier::simplify): Add state argument.
4020 * tree-ssa-threadedge.h (class jt_state): New.
4021 (class jump_threader): Add state to constructor.
4022 (class jump_threader_simplifier): Add state to simplify. Remove
4023 avail_exprs_stack from class.
4024 * tree-vrp.c (vrp_jump_threader_simplifier::simplify): Add state
4026 (vrp_jump_threader::vrp_jump_threader): Add state.
4027 (vrp_jump_threader::~vrp_jump_threader): Cleanup state.
4029 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
4031 * Makefile.in (OBJS): Add gimple-range-path.o.
4032 * gimple-range-path.cc: New file.
4033 * gimple-range-path.h: New file.
4035 2021-07-27 Jonathan Wright <jonathan.wright@arm.com>
4037 * config/aarch64/aarch64-simd.md: Push sign/zero-extension
4038 inside vec_duplicate for all patterns.
4039 * simplify-rtx.c (simplify_context::simplify_unary_operation_1):
4040 Push sign/zero-extension inside vec_duplicate.
4042 2021-07-27 Richard Biener <rguenther@suse.de>
4044 PR tree-optimization/101573
4045 * tree-ssa-uninit.c (warn_uninit_phi_uses): New function
4046 looking at uninitialized PHI arg defs in some constrained cases.
4047 (warn_uninitialized_vars): Call it.
4048 (execute_early_warn_uninitialized): Calculate dominators.
4050 2021-07-27 Richard Biener <rguenther@suse.de>
4052 PR tree-optimization/39821
4053 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): Use
4054 vector_stmt for widening arithmetic.
4055 (vectorizable_conversion): Adjust.
4057 2021-07-27 Martin Jambor <mjambor@suse.cz>
4059 * cgraph.h (ipa_replace_map): New field force_load_ref.
4060 * ipa-prop.h (ipa_param_descriptor): Reduce precision of move_cost,
4061 aded new flag load_dereferenced, adjusted comments.
4062 (ipa_get_param_dereferenced): New function.
4063 (ipa_set_param_dereferenced): Likewise.
4064 * cgraphclones.c (cgraph_node::create_virtual_clone): Follow it.
4065 * ipa-cp.c: Include gimple.h.
4066 (ipcp_discover_new_direct_edges): Take into account dereferenced flag.
4067 (get_replacement_map): New parameter force_load_ref, set the
4068 appropriate flag in ipa_replace_map if set.
4069 (struct symbol_and_index_together): New type.
4070 (adjust_refs_in_act_callers): New function.
4071 (adjust_references_in_caller): Likewise.
4072 (create_specialized_node): When appropriate, call
4073 adjust_references_in_caller and force only load references.
4074 * ipa-prop.c (load_from_dereferenced_name): New function.
4075 (ipa_analyze_controlled_uses): Also detect loads from a
4076 dereference, harden testing of call statements.
4077 (ipa_write_node_info): Stream the dereferenced flag.
4078 (ipa_read_node_info): Likewise.
4079 (ipa_set_jf_constant): Also create refdesc when jump function
4080 references a variable.
4081 (cgraph_node_for_jfunc): Rename to symtab_node_for_jfunc, work
4082 also on references of variables and return a symtab_node. Adjust
4084 (propagate_controlled_uses): Also remove references to VAR_DECLs.
4086 2021-07-27 Jakub Jelinek <jakub@redhat.com>
4088 PR middle-end/101586
4089 * gimple-fold.c (clear_padding_type): Ignore FIELD_DECLs with byte
4090 positions above or equal to sz except for diagnostics of flexible
4093 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
4095 PR tree-optimization/78888
4096 * gimple-range-fold.cc (get_letter_range): New.
4097 (fold_using_range::range_of_builtin_call): Call get_letter_range.
4099 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
4101 PR tree-optimization/78888
4102 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Add cases
4103 for CFN_BUILT_IN_TOUPPER and CFN_BUILT_IN_TOLOWER.
4105 2021-07-26 Roger Sayle <roger@nextmovesoftware.com>
4106 Marc Glisse <marc.glisse@inria.fr>
4108 * match.pd (rotate): Simplify equality/inequality of rotations.
4109 (bswap): Simplify equality/inequality tests of byte swapping.
4111 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
4113 * range-op.cc (operator_bitwise_xor::op1_op2_relation_effect):
4116 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
4118 * range-op.cc (operator_lshift::fold_range): Pass rel to
4119 base class fold_range.
4120 (operator_rshift::fold_range): Same.
4122 2021-07-26 Ashimida <ashimida@linux.alibaba.com>
4125 * toplev.h (min_align_loops_log): Remove declaration.
4126 (min_align_jumps_log, min_align_labels_log): Likewise.
4127 (min_align_functions_log): Likewise.
4129 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
4131 * tree-vrp.c (vrp_simplify_cond_using_ranges): Rename vr_values
4133 (execute_vrp): Abstract out simplification of conditionals...
4134 (simplify_casted_conds): ...here.
4136 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
4138 * gimple-array-bounds.cc (array_bounds_checker::get_value_range):
4139 Add gimple argument.
4140 (array_bounds_checker::check_array_ref): Same.
4141 (array_bounds_checker::check_addr_expr): Same.
4142 (array_bounds_checker::check_array_bounds): Pass statement to
4143 check_array_bounds and check_addr_expr.
4144 * gimple-array-bounds.h (check_array_bounds): Add gimple argument.
4145 (check_addr_expr): Same.
4146 (get_value_range): Same.
4148 2021-07-26 Tamar Christina <tamar.christina@arm.com>
4150 * config/aarch64/aarch64-simd-builtins.def (sdot, udot): Rename to..
4151 (sdot_prod, udot_prod): ... This.
4152 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>): Merged
4154 (<sur>dot_prod<vsi2qi>): ... this.
4155 (aarch64_<sur>dot_lane<vsi2qi>, aarch64_<sur>dot_laneq<vsi2qi>):
4156 Change operands order.
4157 (<sur>sadv16qi): Use new operands order.
4158 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32,
4159 vdotq_s32): Use new RTL ordering.
4161 2021-07-26 Tamar Christina <tamar.christina@arm.com>
4163 * config/aarch64/aarch64-builtins.c (TYPES_TERNOP_SUSS,
4164 aarch64_types_ternop_suss_qualifiers): New.
4165 * config/aarch64/aarch64-simd-builtins.def (usdot_prod): Use it.
4166 * config/aarch64/aarch64-simd.md (usdot_prod<vsi2qi>): Re-organize RTL.
4167 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Use it.
4169 2021-07-23 Jakub Jelinek <jakub@redhat.com>
4171 PR rtl-optimization/101562
4172 * expmed.c (store_integral_bit_field): Only use movstrict_optab
4173 if the operand isn't paradoxical.
4175 2021-07-23 Aldy Hernandez <aldyh@redhat.com>
4177 * gimple-array-bounds.h (class array_bounds_checker): Change
4178 ranges type to range_query.
4180 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4182 * config/aarch64/arm_neon.h (vst1_s64_x2): Use
4183 __builtin_memcpy instead of constructing
4184 __builtin_aarch64_simd_oi one vector at a time.
4185 (vst1_u64_x2): Likewise.
4186 (vst1_f64_x2): Likewise.
4187 (vst1_s8_x2): Likewise.
4188 (vst1_p8_x2): Likewise.
4189 (vst1_s16_x2): Likewise.
4190 (vst1_p16_x2): Likewise.
4191 (vst1_s32_x2): Likewise.
4192 (vst1_u8_x2): Likewise.
4193 (vst1_u16_x2): Likewise.
4194 (vst1_u32_x2): Likewise.
4195 (vst1_f16_x2): Likewise.
4196 (vst1_f32_x2): Likewise.
4197 (vst1_p64_x2): Likewise.
4198 (vst1q_s8_x2): Likewise.
4199 (vst1q_p8_x2): Likewise.
4200 (vst1q_s16_x2): Likewise.
4201 (vst1q_p16_x2): Likewise.
4202 (vst1q_s32_x2): Likewise.
4203 (vst1q_s64_x2): Likewise.
4204 (vst1q_u8_x2): Likewise.
4205 (vst1q_u16_x2): Likewise.
4206 (vst1q_u32_x2): Likewise.
4207 (vst1q_u64_x2): Likewise.
4208 (vst1q_f16_x2): Likewise.
4209 (vst1q_f32_x2): Likewise.
4210 (vst1q_f64_x2): Likewise.
4211 (vst1q_p64_x2): Likewise.
4213 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4215 * config/aarch64/arm_neon.h (vst1_s64_x3): Use
4216 __builtin_memcpy instead of constructing
4217 __builtin_aarch64_simd_ci one vector at a time.
4218 (vst1_u64_x3): Likewise.
4219 (vst1_f64_x3): Likewise.
4220 (vst1_s8_x3): Likewise.
4221 (vst1_p8_x3): Likewise.
4222 (vst1_s16_x3): Likewise.
4223 (vst1_p16_x3): Likewise.
4224 (vst1_s32_x3): Likewise.
4225 (vst1_u8_x3): Likewise.
4226 (vst1_u16_x3): Likewise.
4227 (vst1_u32_x3): Likewise.
4228 (vst1_f16_x3): Likewise.
4229 (vst1_f32_x3): Likewise.
4230 (vst1_p64_x3): Likewise.
4231 (vst1q_s8_x3): Likewise.
4232 (vst1q_p8_x3): Likewise.
4233 (vst1q_s16_x3): Likewise.
4234 (vst1q_p16_x3): Likewise.
4235 (vst1q_s32_x3): Likewise.
4236 (vst1q_s64_x3): Likewise.
4237 (vst1q_u8_x3): Likewise.
4238 (vst1q_u16_x3): Likewise.
4239 (vst1q_u32_x3): Likewise.
4240 (vst1q_u64_x3): Likewise.
4241 (vst1q_f16_x3): Likewise.
4242 (vst1q_f32_x3): Likewise.
4243 (vst1q_f64_x3): Likewise.
4244 (vst1q_p64_x3): Likewise.
4246 2021-07-23 H.J. Lu <hjl.tools@gmail.com>
4249 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): Don't return
4250 hard register when LRA is in progress.
4252 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4254 * config/aarch64/arm_neon.h (vst1_s8_x4): Use
4255 __builtin_memcpy instead of using a union.
4256 (vst1q_s8_x4): Likewise.
4257 (vst1_s16_x4): Likewise.
4258 (vst1q_s16_x4): Likewise.
4259 (vst1_s32_x4): Likewise.
4260 (vst1q_s32_x4): Likewise.
4261 (vst1_u8_x4): Likewise.
4262 (vst1q_u8_x4): Likewise.
4263 (vst1_u16_x4): Likewise.
4264 (vst1q_u16_x4): Likewise.
4265 (vst1_u32_x4): Likewise.
4266 (vst1q_u32_x4): Likewise.
4267 (vst1_f16_x4): Likewise.
4268 (vst1q_f16_x4): Likewise.
4269 (vst1_f32_x4): Likewise.
4270 (vst1q_f32_x4): Likewise.
4271 (vst1_p8_x4): Likewise.
4272 (vst1q_p8_x4): Likewise.
4273 (vst1_p16_x4): Likewise.
4274 (vst1q_p16_x4): Likewise.
4275 (vst1_s64_x4): Likewise.
4276 (vst1_u64_x4): Likewise.
4277 (vst1_p64_x4): Likewise.
4278 (vst1q_s64_x4): Likewise.
4279 (vst1q_u64_x4): Likewise.
4280 (vst1q_p64_x4): Likewise.
4281 (vst1_f64_x4): Likewise.
4282 (vst1q_f64_x4): Likewise.
4284 2021-07-23 Jonathan Wrightt <jonathan.wright@arm.com>
4286 * config/aarch64/arm_neon.h (vst2_s64): Use __builtin_memcpy
4287 instead of constructing __builtin_aarch64_simd_oi one vector
4289 (vst2_u64): Likewise.
4290 (vst2_f64): Likewise.
4291 (vst2_s8): Likewise.
4292 (vst2_p8): Likewise.
4293 (vst2_s16): Likewise.
4294 (vst2_p16): Likewise.
4295 (vst2_s32): Likewise.
4296 (vst2_u8): Likewise.
4297 (vst2_u16): Likewise.
4298 (vst2_u32): Likewise.
4299 (vst2_f16): Likewise.
4300 (vst2_f32): Likewise.
4301 (vst2_p64): Likewise.
4302 (vst2q_s8): Likewise.
4303 (vst2q_p8): Likewise.
4304 (vst2q_s16): Likewise.
4305 (vst2q_p16): Likewise.
4306 (vst2q_s32): Likewise.
4307 (vst2q_s64): Likewise.
4308 (vst2q_u8): Likewise.
4309 (vst2q_u16): Likewise.
4310 (vst2q_u32): Likewise.
4311 (vst2q_u64): Likewise.
4312 (vst2q_f16): Likewise.
4313 (vst2q_f32): Likewise.
4314 (vst2q_f64): Likewise.
4315 (vst2q_p64): Likewise.
4317 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4319 * config/aarch64/arm_neon.h (vst3_s64): Use __builtin_memcpy
4320 instead of constructing __builtin_aarch64_simd_ci one vector
4322 (vst3_u64): Likewise.
4323 (vst3_f64): Likewise.
4324 (vst3_s8): Likewise.
4325 (vst3_p8): Likewise.
4326 (vst3_s16): Likewise.
4327 (vst3_p16): Likewise.
4328 (vst3_s32): Likewise.
4329 (vst3_u8): Likewise.
4330 (vst3_u16): Likewise.
4331 (vst3_u32): Likewise.
4332 (vst3_f16): Likewise.
4333 (vst3_f32): Likewise.
4334 (vst3_p64): Likewise.
4335 (vst3q_s8): Likewise.
4336 (vst3q_p8): Likewise.
4337 (vst3q_s16): Likewise.
4338 (vst3q_p16): Likewise.
4339 (vst3q_s32): Likewise.
4340 (vst3q_s64): Likewise.
4341 (vst3q_u8): Likewise.
4342 (vst3q_u16): Likewise.
4343 (vst3q_u32): Likewise.
4344 (vst3q_u64): Likewise.
4345 (vst3q_f16): Likewise.
4346 (vst3q_f32): Likewise.
4347 (vst3q_f64): Likewise.
4348 (vst3q_p64): Likewise.
4350 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4352 * config/aarch64/arm_neon.h (vst4_s64): Use __builtin_memcpy
4353 instead of constructing __builtin_aarch64_simd_xi one vector
4355 (vst4_u64): Likewise.
4356 (vst4_f64): Likewise.
4357 (vst4_s8): Likewise.
4358 (vst4_p8): Likewise.
4359 (vst4_s16): Likewise.
4360 (vst4_p16): Likewise.
4361 (vst4_s32): Likewise.
4362 (vst4_u8): Likewise.
4363 (vst4_u16): Likewise.
4364 (vst4_u32): Likewise.
4365 (vst4_f16): Likewise.
4366 (vst4_f32): Likewise.
4367 (vst4_p64): Likewise.
4368 (vst4q_s8): Likewise.
4369 (vst4q_p8): Likewise.
4370 (vst4q_s16): Likewise.
4371 (vst4q_p16): Likewise.
4372 (vst4q_s32): Likewise.
4373 (vst4q_s64): Likewise.
4374 (vst4q_u8): Likewise.
4375 (vst4q_u16): Likewise.
4376 (vst4q_u32): Likewise.
4377 (vst4q_u64): Likewise.
4378 (vst4q_f16): Likewise.
4379 (vst4q_f32): Likewise.
4380 (vst4q_f64): Likewise.
4381 (vst4q_p64): Likewise.
4383 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4385 * config/aarch64/arm_neon.h (vtbx4_s8): Use __builtin_memcpy
4386 instead of constructing __builtin_aarch64_simd_oi one vector
4388 (vtbx4_u8): Likewise.
4389 (vtbx4_p8): Likewise.
4391 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4393 * config/aarch64/arm_neon.h (vtbl3_s8): Use __builtin_memcpy
4394 instead of constructing __builtin_aarch64_simd_oi one vector
4396 (vtbl3_u8): Likewise.
4397 (vtbl3_p8): Likewise.
4398 (vtbl4_s8): Likewise.
4399 (vtbl4_u8): Likewise.
4400 (vtbl4_p8): Likewise.
4402 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4404 * config/aarch64/arm_neon.h (vqtbx2_s8): Use __builtin_memcpy
4405 instead of constructing __builtin_aarch64_simd_oi one vector
4407 (vqtbx2_u8): Likewise.
4408 (vqtbx2_p8): Likewise.
4409 (vqtbx2q_s8): Likewise.
4410 (vqtbx2q_u8): Likewise.
4411 (vqtbx2q_p8): Likewise.
4412 (vqtbx3_s8): Use __builtin_memcpy instead of constructing
4413 __builtin_aarch64_simd_ci one vector at a time.
4414 (vqtbx3_u8): Likewise.
4415 (vqtbx3_p8): Likewise.
4416 (vqtbx3q_s8): Likewise.
4417 (vqtbx3q_u8): Likewise.
4418 (vqtbx3q_p8): Likewise.
4419 (vqtbx4_s8): Use __builtin_memcpy instead of constructing
4420 __builtin_aarch64_simd_xi one vector at a time.
4421 (vqtbx4_u8): Likewise.
4422 (vqtbx4_p8): Likewise.
4423 (vqtbx4q_s8): Likewise.
4424 (vqtbx4q_u8): Likewise.
4425 (vqtbx4q_p8): Likewise.
4427 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
4429 * config/aarch64/arm_neon.h (vqtbl2_s8): Use __builtin_memcpy
4430 instead of constructing __builtin_aarch64_simd_oi one vector
4432 (vqtbl2_u8): Likewise.
4433 (vqtbl2_p8): Likewise.
4434 (vqtbl2q_s8): Likewise.
4435 (vqtbl2q_u8): Likewise.
4436 (vqtbl2q_p8): Likewise.
4437 (vqtbl3_s8): Use __builtin_memcpy instead of constructing
4438 __builtin_aarch64_simd_ci one vector at a time.
4439 (vqtbl3_u8): Likewise.
4440 (vqtbl3_p8): Likewise.
4441 (vqtbl3q_s8): Likewise.
4442 (vqtbl3q_u8): Likewise.
4443 (vqtbl3q_p8): Likewise.
4444 (vqtbl4_s8): Use __builtin_memcpy instead of constructing
4445 __builtin_aarch64_simd_xi one vector at a time.
4446 (vqtbl4_u8): Likewise.
4447 (vqtbl4_p8): Likewise.
4448 (vqtbl4q_s8): Likewise.
4449 (vqtbl4q_u8): Likewise.
4450 (vqtbl4q_p8): Likewise.
4452 2021-07-23 Haochen Gui <guihaoc@gcc.gnu.org>
4455 * config/rs6000/rs6000.md (cstore<mode>4): Fix wrong fall through.
4457 2021-07-22 Andrew Pinski <apinski@marvell.com>
4459 PR tree-optimization/10153
4460 * tree-tailcall.c (create_tailcall_accumulator):
4461 Don't call fold_convert as the type should be correct already.
4462 (tree_optimize_tail_calls_1): Use build_{one,zero}_cst instead
4463 of integer_{one,zero}_node for the call of create_tailcall_accumulator.
4465 2021-07-22 Aldy Hernandez <aldyh@redhat.com>
4467 * gimple-range-cache.cc (non_null_ref::adjust_range): Replace
4468 varying_p check for null/non-null check.
4470 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
4472 PR tree-optimization/101511
4473 * value-relation.cc (relation_oracle::query_relation): Check if ssa1
4474 is in ssa2's equiv set, and don't trap if so.
4476 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
4478 PR tree-optimization/101497
4479 * gimple-range-fold.cc (fold_using_range::range_of_cond_expr): Check
4482 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
4484 PR tree-optimization/101496
4485 * vr-values.c (simplify_using_ranges::fold_cond): Call range_of_stmt
4486 first, then vrp_visit_cond_Stmt.
4488 2021-07-22 liuhongt <hongtao.liu@intel.com>
4490 * config/i386/i386-expand.c
4491 (ix86_broadcast_from_integer_constant): Rename to ..
4492 (ix86_broadcast_from_constant): .. this, and extend it to
4494 (ix86_expand_vector_move): Extend to float mode.
4495 * config/i386/i386-features.c
4496 (replace_constant_pool_with_broadcast): Remove.
4497 (remove_partial_avx_dependency_gate): Ditto.
4498 (constant_pool_broadcast): Ditto.
4499 (class pass_constant_pool_broadcast): Ditto.
4500 (make_pass_constant_pool_broadcast): Ditto.
4501 (remove_partial_avx_dependency): Adjust gate.
4502 * config/i386/i386-passes.def: Remove pass_constant_pool_broadcast.
4503 * config/i386/i386-protos.h
4504 (make_pass_constant_pool_broadcast): Remove.
4506 2021-07-22 liuhongt <hongtao.liu@intel.com>
4508 * config/i386/constraints.md (Wb): New constraint.
4510 * config/i386/i386.md (*ashlhi3_1): Extend to avx512 mask
4512 (*ashlqi3_1): Ditto.
4513 (*<insn><mode>3_1): Split to ..
4514 (*ashr<mode>3_1): this, ...
4515 (*lshr<mode>3_1): and this, also extend this pattern to avx512
4517 (*<insn><mode>3_1): Split to ..
4518 (*ashr<mode>3_1): this, ...
4519 (*lshrqi3_1): and this, also extend this pattern to avx512
4521 (*lshrhi3_1): And this, also extend this pattern to avx512
4523 * config/i386/sse.md (k<code><mode>): New define_split after
4524 it to convert generic shift pattern to mask shift ones.
4526 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
4527 Joseph Myers <joseph@codesourcery.com>
4528 Cesar Philippidis <cesar@codesourcery.com>
4530 * tree-core.h (omp_clause_code): Add 'OMP_CLAUSE_NOHOST'.
4531 * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
4533 * tree-pretty-print.c (dump_omp_clause): Likewise.
4534 * omp-general.c (oacc_verify_routine_clauses): Likewise.
4535 * gimplify.c (gimplify_scan_omp_clauses)
4536 (gimplify_adjust_omp_clauses): Likewise.
4537 * tree-nested.c (convert_nonlocal_omp_clauses)
4538 (convert_local_omp_clauses): Likewise.
4539 * omp-low.c (scan_sharing_clauses): Likewise.
4540 * omp-offload.c (execute_oacc_device_lower): Update.
4542 2021-07-21 Martin Sebor <msebor@redhat.com>
4544 * tree-ssa-alias.c (walk_aliased_vdefs_1): Fix typos in a comment.
4546 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4548 * config/rs6000/rs6000-gen-builtins.c (write_init_bif_table):
4551 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4553 * config/rs6000/rs6000-gen-builtins.c (write_fntype): New
4555 (write_fntype_init): New stub function.
4556 (write_init_bif_table): Likewise.
4557 (write_init_ovld_table): New function.
4558 (write_init_file): Implement.
4560 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4562 * config/rs6000/rs6000-gen-builtins.c
4563 (write_autogenerated_header): New function.
4564 (write_decls): Likewise.
4565 (write_extern_fntype): New callback function.
4566 (write_header_file): Implement.
4568 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4570 * config/rs6000/rs6000-gen-builtins.c (write_defines_file):
4573 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4575 * config/rs6000/rs6000-gen-builtins.c (complete_vector_type): New
4577 (complete_base_type): Likewise.
4578 (construct_fntype_id): Likewise.
4579 (parse_bif_entry): Call contruct_fntype_id.
4580 (parse_ovld_entry): Likewise.
4582 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4584 * config/rs6000/rs6000-gen-builtins.c (ovld_stanza): New struct.
4585 (MAXOVLDSTANZAS): New macro.
4586 (ovld_stanzas): New variable.
4587 (curr_ovld_stanza): Likewise.
4588 (MAXOVLDS): New macro.
4589 (ovlddata): New struct.
4590 (ovlds): New variable.
4591 (curr_ovld): Likewise.
4592 (max_ovld_args): Likewise.
4593 (parse_ovld_entry): New function.
4594 (parse_ovld_stanza): Likewise.
4595 (parse_ovld): Implement.
4597 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4599 * config/rs6000/rs6000-gen-builtins.c (parse_bif_attrs):
4602 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4604 * config/rs6000/rs6000-gen-builtins.c (parse_args): New function.
4605 (parse_prototype): Implement.
4607 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4609 * config/rs6000/rs6000-gen-builtins.c (bif_stanza): New enum.
4610 (curr_bif_stanza): New variable.
4611 (stanza_entry): New struct.
4612 (stanza_map): New initialized variable.
4613 (enable_string): Likewise.
4614 (fnkinds): New enum.
4615 (typelist): New struct.
4616 (attrinfo): Likewise.
4617 (MAXRESTROPNDS): New macro.
4618 (prototype): New struct.
4619 (MAXBIFS): New macro.
4620 (bifdata): New struct.
4621 (bifs): New variable.
4622 (curr_bif): Likewise.
4623 (bif_order): Likewise.
4624 (bif_index): Likewise.
4625 (fatal): New function.
4626 (stanza_name_to_stanza): Likewise.
4627 (parse_bif_attrs): New stub function.
4628 (parse_prototype): Likewise.
4629 (parse_bif_entry): New function.
4630 (parse_bif_stanza): Likewise.
4631 (parse_bif): Implement.
4632 (set_bif_order): New function.
4633 (create_bif_order): Implement.
4635 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
4637 * config/rs6000/rs6000-gen-builtins.c (rbtree.h): New #include.
4638 (num_bifs): New variable.
4639 (num_ovld_stanzas): Likewise.
4640 (num_ovlds): Likewise.
4641 (parse_codes): New enum.
4642 (bif_rbt): New variable.
4643 (ovld_rbt): Likewise.
4644 (fntype_rbt): Likewise.
4645 (bifo_rbt): Likewise.
4646 (parse_bif): New stub function.
4647 (create_bif_order): Likewise.
4648 (parse_ovld): Likewise.
4649 (write_header_file): Likewise.
4650 (write_init_file): Likewise.
4651 (write_defines_file): Likewise.
4652 (delete_output_files): New function.
4655 2021-07-21 H.J. Lu <hjl.tools@gmail.com>
4658 * config/i386/i386-builtin.def: Remove OPTION_MASK_ISA_SSE4_2
4659 from CRC32 _builtin functions.
4661 2021-07-21 Sebastian Huber <sebastian.huber@embedded-brains.de>
4663 * coverage.c (build_gcov_info_var_registration): Mark the object placed
4664 in the linker set as referenced so that it does not get optimized away.
4666 2021-07-21 Kito Cheng <kito.cheng@sifive.com>
4669 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
4671 * config.gcc (riscv*-*-*): Detect which python is available.
4673 2021-07-21 Jakub Jelinek <jakub@redhat.com>
4675 PR middle-end/101535
4676 * gimplify.c (omp_check_private): Properly skip ORT_TARGET_DATA
4677 contexts in which decl isn't privatized and for ORT_TARGET return
4678 false if decl is mapped.
4680 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
4682 * gimple-loop-jam.c: Include tree-ssa-sccvn.h.
4683 (tree_loop_unroll_and_jam): Run value-numbering on a loop that
4684 has been successfully unrolled.
4686 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
4688 * tree-ssa-loop-manip.c (determine_exit_conditions): Return a null
4689 exit condition if no tail loop is needed, and if the original exit
4690 condition should therefore be kept as-is.
4691 (tree_transform_and_unroll_loop): Handle that case here too.
4693 2021-07-21 Kewen Lin <linkw@linux.ibm.com>
4695 * tree-data-ref.c (free_dependence_relations): Adjust to pass vec
4697 (free_data_refs): Likewise.
4698 * tree-data-ref.h (free_dependence_relations): Likewise.
4699 (free_data_refs): Likewise.
4700 * tree-predcom.c (struct chain): Use auto_vec instead of vec for
4702 (struct component): Likewise.
4703 (pcom_worker::pcom_worker): Adjust for auto_vec and renaming changes.
4704 (pcom_worker::~pcom_worker): Likewise.
4705 (pcom_worker::release_chain): Adjust as auto_vec changes.
4706 (pcom_worker::loop): Rename to ...
4707 (pcom_worker::m_loop): ... this.
4708 (pcom_worker::datarefs): Rename to ...
4709 (pcom_worker::m_datarefs): ... this. Use auto_vec instead of vec.
4710 (pcom_worker::dependences): Rename to ...
4711 (pcom_worker::m_dependences): ... this. Use auto_vec instead of vec.
4712 (pcom_worker::chains): Rename to ...
4713 (pcom_worker::m_chains): ... this. Use auto_vec instead of vec.
4714 (pcom_worker::looparound_phis): Rename to ...
4715 (pcom_worker::m_looparound_phis): ... this. Use auto_vec instead of
4717 (pcom_worker::cache): Rename to ...
4718 (pcom_worker::m_cache): ... this. Use auto_vec instead of vec.
4719 (pcom_worker::release_chain): Adjust for auto_vec changes.
4720 (pcom_worker::release_chains): Adjust for auto_vec and renaming
4722 (release_component): Remove.
4723 (release_components): Adjust for release_component removal.
4724 (component_of): Adjust to use vec.
4725 (merge_comps): Likewise.
4726 (pcom_worker::aff_combination_dr_offset): Adjust for renaming changes.
4727 (pcom_worker::determine_offset): Likewise.
4728 (class comp_ptrs): Remove.
4729 (pcom_worker::split_data_refs_to_components): Adjust for renaming
4730 changes, for comp_ptrs removal with auto_vec.
4731 (pcom_worker::suitable_component_p): Adjust for renaming changes.
4732 (pcom_worker::filter_suitable_components): Adjust for release_component
4734 (pcom_worker::valid_initializer_p): Adjust for renaming changes.
4735 (pcom_worker::find_looparound_phi): Likewise.
4736 (pcom_worker::add_looparound_copies): Likewise.
4737 (pcom_worker::determine_roots_comp): Likewise.
4738 (pcom_worker::single_nonlooparound_use): Likewise.
4739 (pcom_worker::execute_pred_commoning_chain): Likewise.
4740 (pcom_worker::execute_pred_commoning): Likewise.
4741 (pcom_worker::try_combine_chains): Likewise.
4742 (pcom_worker::prepare_initializers_chain): Likewise.
4743 (pcom_worker::prepare_initializers): Likewise.
4744 (pcom_worker::prepare_finalizers_chain): Likewise.
4745 (pcom_worker::prepare_finalizers): Likewise.
4746 (pcom_worker::tree_predictive_commoning_loop): Likewise.
4748 2021-07-20 Martin Sebor <msebor@redhat.com>
4750 PR middle-end/101397
4751 * builtins.c (gimple_call_return_array): Add argument. Correct
4752 offsets for memchr, mempcpy, stpcpy, and stpncpy.
4753 (compute_objsize_r): Adjust offset computation for argument returning
4756 2021-07-20 Martin Sebor <msebor@redhat.com>
4758 PR middle-end/101300
4759 * tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
4761 2021-07-20 Jeff Law <jlaw@localhost.localdomain>
4763 * function.c (assign_parm_setup_block): Use adjust_address instead
4764 of change_address to preserve MEM_EXPR and friends.
4766 2021-07-20 Martin Sebor <msebor@redhat.com>
4768 * cfgloop.h (single_likely_exit): Adjust by-value argument to
4770 * cfgloopanal.c (single_likely_exit): Same.
4771 * cgraph.h (struct cgraph_node): Same.
4772 * cgraphclones.c (cgraph_node::create_virtual_clone): Same.
4773 * genautomata.c (merge_states): Same.
4774 * genextract.c (VEC_char_to_string): Same.
4775 * genmatch.c (dt_node::gen_kids_1): Same.
4776 (walk_captures): Adjust by-value argument to by-reference.
4777 * gimple-ssa-store-merging.c (check_no_overlap): Adjust by-value argument
4778 to by-const-reference.
4779 * gimple.c (gimple_build_call_vec): Same.
4780 (gimple_build_call_internal_vec): Same.
4781 (gimple_build_switch): Same.
4782 (sort_case_labels): Same.
4783 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
4785 * gimple.h (gimple_build_call_vec): Adjust by-value argument to
4787 (gimple_build_call_internal_vec): Same.
4788 (gimple_build_switch): Same.
4789 (sort_case_labels): Same.
4790 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
4792 * haifa-sched.c (calc_priorities): Adjust by-value argument to
4794 (sched_init_luids): Same.
4795 (haifa_init_h_i_d): Same.
4796 * ipa-cp.c (ipa_get_indirect_edge_target_1): Same.
4797 (adjust_callers_for_value_intersection): Adjust by-value argument to
4799 (find_more_scalar_values_for_callers_subset): Adjust by-value argument to
4801 (find_more_contexts_for_caller_subset): Same.
4802 (find_aggregate_values_for_callers_subset): Same.
4803 (copy_useful_known_contexts): Same.
4804 * ipa-fnsummary.c (remap_edge_summaries): Same.
4805 (remap_freqcounting_predicate): Same.
4806 * ipa-inline.c (add_new_edges_to_heap): Adjust by-value argument to
4808 * ipa-predicate.c (predicate::remap_after_inlining): Adjust by-value argument
4809 to by-const-reference.
4810 * ipa-predicate.h (predicate::remap_after_inlining): Same.
4811 * ipa-prop.c (ipa_find_agg_cst_for_param): Same.
4812 * ipa-prop.h (ipa_find_agg_cst_for_param): Same.
4813 * ira-build.c (ira_loop_tree_body_rev_postorder): Same.
4814 * read-rtl.c (add_overload_instance): Same.
4815 * rtl.h (native_decode_rtx): Same.
4816 (native_decode_vector_rtx): Same.
4817 * sched-int.h (sched_init_luids): Same.
4818 (haifa_init_h_i_d): Same.
4819 * simplify-rtx.c (native_decode_vector_rtx): Same.
4820 (native_decode_rtx): Same.
4821 * tree-call-cdce.c (gen_shrink_wrap_conditions): Same.
4822 (shrink_wrap_one_built_in_call_with_conds): Same.
4823 (shrink_wrap_conditional_dead_built_in_calls): Same.
4824 * tree-data-ref.c (create_runtime_alias_checks): Same.
4825 (compute_all_dependences): Same.
4826 * tree-data-ref.h (compute_all_dependences): Same.
4827 (create_runtime_alias_checks): Same.
4828 (index_in_loop_nest): Same.
4829 * tree-if-conv.c (mask_exists): Same.
4830 * tree-loop-distribution.c (class loop_distribution): Same.
4831 (loop_distribution::create_rdg_vertices): Same.
4832 (dump_rdg_partitions): Same.
4833 (debug_rdg_partitions): Same.
4834 (partition_contains_all_rw): Same.
4835 (loop_distribution::distribute_loop): Same.
4836 * tree-parloops.c (oacc_entry_exit_ok_1): Same.
4837 (oacc_entry_exit_single_gang): Same.
4838 * tree-ssa-loop-im.c (hoist_memory_references): Same.
4839 (loop_suitable_for_sm): Same.
4840 * tree-ssa-loop-niter.c (bound_index): Same.
4841 * tree-ssa-reassoc.c (update_ops): Same.
4842 (swap_ops_for_binary_stmt): Same.
4843 (rewrite_expr_tree): Same.
4844 (rewrite_expr_tree_parallel): Same.
4845 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Same.
4846 * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Same.
4847 * tree-ssa-structalias.c (process_all_all_constraints): Same.
4848 (make_constraints_to): Same.
4849 (handle_lhs_call): Same.
4850 (find_func_aliases_for_builtin_call): Same.
4851 (sort_fieldstack): Same.
4852 (check_for_overlaps): Same.
4853 * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Same.
4854 (vect_create_cond_for_unequal_addrs): Same.
4855 (vect_create_cond_for_lower_bounds): Same.
4856 (vect_create_cond_for_alias_checks): Same.
4857 * tree-vect-slp-patterns.c (vect_validate_multiplication): Same.
4858 * tree-vect-slp.c (vect_analyze_slp_instance): Same.
4859 (vect_make_slp_decision): Same.
4860 (vect_slp_bbs): Same.
4861 (duplicate_and_interleave): Same.
4862 (vect_transform_slp_perm_load): Same.
4863 (vect_schedule_slp): Same.
4864 * tree-vectorizer.h (vect_transform_slp_perm_load): Same.
4865 (vect_schedule_slp): Same.
4866 (duplicate_and_interleave): Same.
4867 * tree.c (build_vector_from_ctor): Same.
4868 (build_vector): Same.
4869 (check_vector_cst): Same.
4870 (check_vector_cst_duplicate): Same.
4871 (check_vector_cst_fill): Same.
4872 (check_vector_cst_stepped): Same.
4873 * tree.h (build_vector_from_ctor): Same.
4875 2021-07-20 Jakub Jelinek <jakub@redhat.com>
4878 * config/rs6000/rs6000-protos.h (easy_altivec_constant): Change return
4879 type from bool to int.
4880 * config/rs6000/rs6000.c (vspltis_constant): Fix up handling the
4881 EASY_VECTOR_MSB case if either step or copies is not 1.
4882 (vspltis_shifted): Fix comment typo.
4883 (easy_altivec_constant): Change return type from bool to int, instead
4884 of returning true return byte size of the element mode that should be
4885 used to synthetize the constant.
4886 * config/rs6000/predicates.md (easy_vector_constant_msb): Require
4887 that vspltis_shifted is 0, handle the case where easy_altivec_constant
4888 assumes using different vector mode from CONST_VECTOR's mode.
4889 * config/rs6000/altivec.md (easy_vector_constant_msb splitter): Use
4890 easy_altivec_constant to determine mode in which -1 >> -1 should be
4891 performed, use rs6000_expand_vector_init instead of gen_vec_initv4sisi.
4893 2021-07-20 Richard Biener <rguenther@suse.de>
4896 * dwarf2out.h (dwarf_file_data): Add key member.
4897 * dwarf2out.c (dwarf_file_hasher::equal): Compare key.
4898 (dwarf_file_hasher::hash): Hash key.
4899 (lookup_filename): Remap the filename and store it in the
4900 filename member of dwarf_file_data when creating a new
4902 (file_name_acquire): Do not remap the filename again.
4903 (maybe_emit_file): Likewise.
4905 2021-07-20 Jonathan Wright <jonathan.wright@arm.com>
4907 * config/aarch64/aarch64-simd-builtins.def: Use two variant
4908 generators for all TBL/TBX intrinsics and rename to
4909 consistent forms: qtbl[1234] or qtbx[1234].
4910 * config/aarch64/aarch64-simd.md (aarch64_tbl1<mode>):
4912 (aarch64_qtbl1<mode>): This.
4913 (aarch64_tbx1<mode>): Rename to...
4914 (aarch64_qtbx1<mode>): This.
4915 (aarch64_tbl2v16qi): Delete.
4916 (aarch64_tbl3<mode>): Rename to...
4917 (aarch64_qtbl2<mode>): This.
4918 (aarch64_tbx4<mode>): Rename to...
4919 (aarch64_qtbx2<mode>): This.
4920 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Use
4921 renamed qtbl1 and qtbl2 RTL patterns.
4922 * config/aarch64/arm_neon.h (vqtbl1_p8): Use renamed qtbl1
4924 (vqtbl1_s8): Likewise.
4925 (vqtbl1_u8): Likewise.
4926 (vqtbl1q_p8): Likewise.
4927 (vqtbl1q_s8): Likewise.
4928 (vqtbl1q_u8): Likewise.
4929 (vqtbx1_s8): Use renamed qtbx1 RTL pattern.
4930 (vqtbx1_u8): Likewise.
4931 (vqtbx1_p8): Likewise.
4932 (vqtbx1q_s8): Likewise.
4933 (vqtbx1q_u8): Likewise.
4934 (vqtbx1q_p8): Likewise.
4935 (vtbl1_s8): Use renamed qtbl1 RTL pattern.
4936 (vtbl1_u8): Likewise.
4937 (vtbl1_p8): Likewise.
4938 (vtbl2_s8): Likewise
4939 (vtbl2_u8): Likewise.
4940 (vtbl2_p8): Likewise.
4941 (vtbl3_s8): Use renamed qtbl2 RTL pattern.
4942 (vtbl3_u8): Likewise.
4943 (vtbl3_p8): Likewise.
4944 (vtbl4_s8): Likewise.
4945 (vtbl4_u8): Likewise.
4946 (vtbl4_p8): Likewise.
4947 (vtbx2_s8): Use renamed qtbx2 RTL pattern.
4948 (vtbx2_u8): Likewise.
4949 (vtbx2_p8): Likewise.
4950 (vqtbl2_s8): Use renamed qtbl2 RTL pattern.
4951 (vqtbl2_u8): Likewise.
4952 (vqtbl2_p8): Likewise.
4953 (vqtbl2q_s8): Likewise.
4954 (vqtbl2q_u8): Likewise.
4955 (vqtbl2q_p8): Likewise.
4956 (vqtbx2_s8): Use renamed qtbx2 RTL pattern.
4957 (vqtbx2_u8): Likewise.
4958 (vqtbx2_p8): Likewise.
4959 (vqtbx2q_s8): Likewise.
4960 (vqtbx2q_u8): Likewise.
4961 (vqtbx2q_p8): Likewise.
4962 (vtbx4_s8): Likewise.
4963 (vtbx4_u8): Likewise.
4964 (vtbx4_p8): Likewise.
4966 2021-07-20 Uroš Bizjak <ubizjak@gmail.com>
4969 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
4971 (define_peephole2 atomic_loaddi_fpu): Ditto.
4973 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
4975 * config.gcc (riscv*-*-*): Detect which python is available.
4977 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
4979 * config/rs6000/vsx.md (mulhs_<mode>): Rename to...
4980 (smul<mode>3_highpart): ... this.
4981 (mulhu_<mode>): Rename to...
4982 (umul<mode>3_highpart): ... this.
4983 * config/rs6000/rs6000-builtin.def (MULHS_V2DI, MULHS_V4SI,
4984 MULHU_V2DI, MULHU_V4SI): Adjust.
4986 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
4988 PR tree-optimization/100696
4989 * internal-fn.c (first_commutative_argument): Add info for IFN_MULH.
4990 * internal-fn.def (IFN_MULH): New internal function.
4991 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Add support to
4992 recog normal multiply highpart as IFN_MULH.
4993 * config/i386/i386.c (ix86_add_stmt_cost): Adjust for combined
4996 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
4998 * config/elfos.h (CTF_DEBUGGING_INFO): New definition.
4999 (BTF_DEBUGGING_INFO): Likewise.
5000 * doc/tm.texi.in: Document the new macros.
5001 * doc/tm.texi: Regenerated.
5002 * toplev.c: Guard initialization of debug hooks.
5004 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
5006 * flags.h (ctf_debuginfo_p): New function declaration.
5007 * opts.c (ctf_debuginfo_p): New function definition.
5009 2021-07-19 Andrew Stubbs <ams@codesourcery.com>
5012 * config/gcn/gcn-hsa.h (DRIVER_SELF_SPECS): New.
5013 (ASM_SPEC): Set -mattr for xnack and sram-ecc.
5014 * config/gcn/gcn-opts.h (enum sram_ecc_type): New.
5015 * config/gcn/gcn-valu.md: Add a warning comment.
5016 * config/gcn/gcn.c (gcn_option_override): Add "sorry" for -mxnack.
5017 (output_file_start): Add xnack and sram-ecc state to ".amdgcn_target".
5018 * config/gcn/gcn.md: Add a warning comment.
5019 * config/gcn/gcn.opt: Add -mxnack and -msram-ecc.
5020 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): Remove
5022 (EF_AMDGPU_XNACK): New.
5023 (EF_AMDGPU_SRAM_ECC): New.
5025 (copy_early_debug_info): Use elf_flags.
5026 (main): Handle -mxnack and -msram-ecc options.
5027 * doc/invoke.texi: Document -mxnack and -msram-ecc.
5029 2021-07-19 Andrew Pinski <apinski@marvell.com>
5032 * config/aarch64/aarch64.md (csneg3_uxtw_insn): Rename to ...
5033 (*cs<neg_not_cs>3_uxtw_insn4): and extend to NEG_NOT.
5035 2021-07-19 Richard Biener <rguenther@suse.de>
5037 PR tree-optimization/101505
5038 * tree-vect-patterns.c (vect_determine_precisions): Walk
5039 PHIs also for loop vectorization.
5041 2021-07-19 Richard Biener <rguenther@suse.de>
5043 * gimple.h (gimple_expr_type): Remove.
5044 * doc/gimple.texi: Remove gimple_expr_type documentation.
5046 2021-07-19 Richard Biener <rguenther@suse.de>
5048 * tree-ssa-sccvn.c (vn_reference_eq): Handle NULL vr->type.
5049 (ao_ref_init_from_vn_reference): Likewise.
5050 (fully_constant_reference): Likewise.
5051 (vn_reference_lookup_call): Do not set vr->type to random
5053 * tree-ssa-pre.c (compute_avail): Do not try to PRE calls
5055 * tree-vect-generic.c (expand_vector_piecewise): Pass in
5056 whether we expanded parallel.
5057 (expand_vector_parallel): Adjust.
5058 (expand_vector_addition): Likewise.
5059 (expand_vector_comparison): Likewise.
5060 (expand_vector_operation): Likewise.
5061 (expand_vector_scalar_condition): Likewise.
5062 (expand_vector_conversion): Likewise.
5064 2021-07-19 Richard Biener <rguenther@suse.de>
5066 * tree-vrp.c (register_edge_assert_for_2): Use the
5068 (vrp_folder::fold_predicate_in): Likewise.
5069 * vr-values.c (gimple_assign_nonzero_p): Likewise.
5070 (vr_values::extract_range_from_comparison): Likewise.
5071 (vr_values::extract_range_from_ubsan_builtin): Use the
5072 type of the first operand.
5073 (vr_values::extract_range_basic): Push down type
5074 computation, use the appropriate LHS.
5075 (vr_values::extract_range_from_assignment): Use the
5078 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
5081 * common/config/i386/i386-common.c (ix86_handle_option): For
5082 -mgeneral-regs-only, enable the GPR only instructions which are
5083 enabled implicitly by SSE ISAs unless they have been disabled
5086 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
5089 * config/i386/i386.c (ix86_check_avx_upper_stores): Moved before
5090 ix86_avx_u128_mode_needed.
5091 (ix86_avx_u128_mode_needed): Return AVX_U128_DIRTY if callee
5092 returns AVX register.
5094 2021-07-17 Jan Hubicka <hubicka@ucw.cz>
5096 * tree-ssa-structalias.c (handle_rhs_call): Support EAF_NOT_RETURNED.
5097 (handle_const_call): Liekise
5098 (handle_pure_call): Liekise
5100 2021-07-17 Andrew MacLeod <amacleod@redhat.com>
5102 PR tree-optimization/96542
5103 * range-op.cc (range_operator::wi_fold_in_parts): New.
5104 (range_operator::fold_range): Call wi_fold_in_parts.
5105 (operator_lshift::wi_fold): Fix broken lshift by [0,0].
5106 * range-op.h (wi_fold_in_parts): Add prototype.
5108 2021-07-16 David Malcolm <dmalcolm@redhat.com>
5110 * doc/analyzer.texi: Add __analyzer_dump_state.
5112 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5114 * config/rs6000/rbtree.c: New file.
5115 * config/rs6000/rbtree.h: New file.
5117 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5119 * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
5120 (typeinfo): Add restr field.
5121 (match_bracketed_pair): New function.
5122 (match_const_restriction): Implement.
5124 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5126 * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
5128 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5130 * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
5131 (basetype): Likewise.
5132 (typeinfo): Likewise.
5133 (handle_pointer): New function.
5134 (match_basetype): New stub function.
5135 (match_const_restriction): Likewise.
5136 (match_type): New function.
5138 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5140 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
5142 (advance_line): Likewise.
5143 (safe_inc_pos): Likewise.
5144 (match_identifier): Likewise.
5145 (match_integer): Likewise.
5146 (match_to_right_bracket): Likewise.
5148 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5150 * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
5151 (ovld_file): Likewise.
5152 (header_file): Likewise.
5153 (init_file): Likewise.
5154 (defines_file): Likewise.
5155 (pgm_path): Likewise.
5156 (bif_path): Likewise.
5157 (ovld_path): Likewise.
5158 (header_path): Likewise.
5159 (init_path): Likewise.
5160 (defines_path): Likewise.
5161 (LINELEN): New macro.
5162 (linebuf): New variable.
5166 (bif_diag): New function.
5167 (ovld_diag): Likewise.
5169 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5171 * config/rs6000/rs6000-builtin-new.def: New.
5172 * config/rs6000/rs6000-overload.def: New.
5174 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5176 * config/rs6000/rs6000-gen-builtins.c: New.
5178 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
5180 * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
5181 (s-gtype): Depend on EXTRA_GTYPE_DEPS.
5182 * gengtype-state.c (state_writer::write_state_file_list): Add a
5183 parameter to the fileslist expression for the number of build
5185 (read_state_files_list): Detect build headers and strip the
5186 initial "./" or ".\" from their names.
5187 * gengtype.c (build_headers): New global variable.
5188 (num_build_headers): Likewise.
5189 (open_base_files): Emit #include for each build header.
5190 (main): Detect and count build headers.
5191 * gengtype.h (build_headers): New extern variable.
5192 (num_build_headers): Likewise.
5194 2021-07-16 Richard Biener <rguenther@suse.de>
5196 * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
5197 the type of the LHS.
5198 (find_bswap_or_nop_1): Likewise.
5199 (find_bswap_or_nop): Likewise.
5200 * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
5202 * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
5203 Remove unused parameters, pass in the scalar type. Fix
5204 internal store function handling.
5205 * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
5206 (vect_get_vector_types_for_stmt): Move down check for
5207 existing vector stmt after we've determined a scalar type.
5208 Pass down the used scalar type to vect_get_smallest_scalar_type.
5209 * tree-vect-generic.c (expand_vector_condition): Use
5210 the type of the LHS.
5211 (expand_vector_scalar_condition): Likewise.
5212 (expand_vector_operations_1): Likewise.
5213 * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
5214 (vect_recog_dot_prod_pattern): Likewise.
5215 (vect_recog_sad_pattern): Likewise.
5216 (vect_recog_widen_op_pattern): Likewise.
5217 (vect_recog_widen_sum_pattern): Likewise.
5218 (vect_recog_mixed_size_cond_pattern): Likewise.
5220 2021-07-16 Jan Hubicka <hubicka@ucw.cz>
5222 * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
5223 (dump_eaf_flags): Dump EAF_NOT_RETURNED
5224 (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
5225 and EAF_NOT_RETURNED.
5226 (modref_summary::useful_p): Likewise.
5227 (modref_summary_lto::useful_p): Likewise.
5228 (struct) modref_summary_lto: Use eaf_fleags_t.
5229 (deref_flags): Handle EAF_NOT_RETURNED.
5230 (struct escape_point): Use min_flags.
5231 (modref_lattice::init): Add EAF_NOT_RETURNED.
5232 (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
5233 (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
5235 (analyze_parms): Also analyze const functions; update conition on
5237 (modref_write): Update streaming.
5238 (read_section): Update streaming.
5239 (remap_arg_flags): Use eaf_flags_t.
5240 (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
5241 * ipa-modref.h: (eaf_flags_t): New typedef.
5242 (struct modref_summary): Use eaf_flags_t.
5243 * tree-core.h (EAF_NOT_RETURNED): New constant.
5245 2021-07-16 Richard Biener <rguenther@suse.de>
5247 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
5248 the type of the LHS.
5249 (gimple_assign_nonnegative_warnv_p): Likewise.
5250 (gimple_call_nonnegative_warnv_p): Likewise. Return false
5251 if the call has no LHS.
5252 * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
5253 * tree-eh.c (stmt_could_throw_1_p): Likewise.
5254 * tree-inline.c (insert_init_stmt): Likewise.
5255 * tree-ssa-loop-niter.c (get_val_for): Likewise.
5256 * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
5258 * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
5259 gassign *. Use the type of the lhs.
5260 (vn_nary_op_lookup_stmt): Adjust.
5261 (vn_nary_op_insert_stmt): Likewise.
5263 2021-07-16 Ilya Leoshkevich <iii@linux.ibm.com>
5265 * config/s390/predicates.md (bras_sym_operand): Accept all
5266 functions in 64-bit mode, use UNSPEC_PLT31.
5267 (larl_operand): Use UNSPEC_PLT31.
5268 * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
5269 (legitimize_pic_address): Likewise.
5270 (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
5272 (s390_delegitimize_address): Use UNSPEC_PLT31.
5273 (s390_output_addr_const_extra): Likewise.
5274 (print_operand): Add @PLT to TLS calls, handle %K.
5275 (s390_function_profiler): Mark __fentry__/_mcount as function,
5276 use %K, use UNSPEC_PLT31.
5277 (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
5278 (s390_emit_call): Use UNSPEC_PLT31.
5279 (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
5280 * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
5281 (*movdi_64): Use %K.
5282 (reload_base_64): Likewise.
5283 (*sibcall_brc): Likewise.
5284 (*sibcall_brcl): Likewise.
5285 (*sibcall_value_brc): Likewise.
5286 (*sibcall_value_brcl): Likewise.
5289 (*bras_r): Likewise.
5290 (*brasl_r): Likewise.
5291 (*bras_tls): Likewise.
5292 (*brasl_tls): Likewise.
5293 (main_base_64): Likewise.
5294 (reload_base_64): Likewise.
5295 (@split_stack_call<mode>): Likewise.
5297 2021-07-16 Richard Biener <rguenther@suse.de>
5299 PR tree-optimization/101467
5300 * tree-vect-stmts.c (vect_gen_while): Properly guard
5301 make_temp_ssa_name usage.
5303 2021-07-16 Cooper Qu <cooper.qu@linux.alibaba.com>
5305 * config.gcc: Don't use forked print-sysroot-suffix.sh and
5306 t-sysroot-suffix for C-SKY.
5307 * config/csky/print-sysroot-suffix.sh: Delete.
5308 * config/csky/t-csky-linux: Delete.
5309 * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
5310 instead of CSKY_MULTILIB_DIRNAMES.
5312 2021-07-16 Richard Biener <rguenther@suse.de>
5314 * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
5315 conversion issues with the partial reduction of the reused
5318 2021-07-16 Richard Biener <rguenther@suse.de>
5320 * config/i386/i386-options.c (ix86_option_override_internal): Set
5321 param_vect_partial_vector_usage to zero if not set.
5323 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
5326 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
5327 (VALID_INT_MODE_P): Add SDmode and DDmode.
5328 Add TDmode for TARGET_64BIT.
5329 (VALID_DFP_MODE_P): Remove.
5330 * config/i386/i386.c (ix86_hard_regno_mode_ok):
5331 Do not use VALID_DFP_MODE_P.
5333 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
5335 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
5337 (fold_using_range::fold_stmt): Ditto.
5338 (fold_using_range::range_of_range_op): Ditto.
5339 (fold_using_range::range_of_phi): Ditto.
5340 (fold_using_range::range_of_call): Ditto.
5341 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
5342 (fold_using_range::range_of_builtin_call): Ditto.
5343 (fold_using_range::range_of_cond_expr): Ditto.
5344 * gimple-range-fold.h (gimple_range_type): New.
5346 2021-07-15 Martin Sebor <msebor@redhat.com>
5349 * tree-ssa-strlen.c (handle_assign): New function.
5350 (maybe_warn_overflow): Add argument.
5351 (nonzero_bytes_for_type): New function.
5352 (count_nonzero_bytes): Handle more tree types. Call
5353 nonzero_bytes_for_tye.
5354 (count_nonzero_bytes): Handle types.
5355 (handle_store): Handle stores from function calls.
5356 (strlen_check_and_optimize_call): Move code to handle_assign. Call
5357 it for assignments from function calls.
5359 2021-07-15 David Malcolm <dmalcolm@redhat.com>
5364 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
5366 2021-07-15 David Malcolm <dmalcolm@redhat.com>
5368 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
5370 2021-07-15 Martin Sebor <msebor@redhat.com>
5374 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
5375 (operand_compare::verify_hash_value): Same.
5376 * tree-core.h (OEP_DECL_NAME): New.
5378 2021-07-15 Martin Jambor <mjambor@suse.cz>
5380 * profile-count.h (profile_count::value): Change the return type to
5382 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
5384 * tree-cfg.c (dump_function_to_file): Likewise.
5386 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
5389 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
5390 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
5393 2021-07-15 Richard Biener <rguenther@suse.de>
5395 * tree-vectorizer.h (vect_gen_while): Match up with
5397 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
5398 of vect_gen_while_not.
5399 (vect_gen_while_not): Adjust.
5400 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
5402 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
5404 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
5405 (ranger_cache::range_of_def): Call adjust_range.
5406 (ranger_cache::entry_range): Same.
5407 * gimple-range-cache.h (non_null_ref::adjust_range): New.
5408 * gimple-range.cc (gimple_ranger::range_of_expr): Call
5410 (gimple_ranger::range_on_entry): Same.
5412 2021-07-15 Tamar Christina <tamar.christina@arm.com>
5415 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5417 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
5419 2021-07-15 Tamar Christina <tamar.christina@arm.com>
5422 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5424 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
5425 (sdot_prod, udot_prod): ...These.
5426 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
5427 (aarch64_<sur>dot<vsi2qi>): Rename to...
5428 (<sur>dot_prod<vsi2qi>): ...This.
5429 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
5432 2021-07-15 Jakub Jelinek <jakub@redhat.com>
5434 PR middle-end/101437
5435 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
5436 types even if they have non-BLKmode TYPE_MODE.
5438 2021-07-15 Richard Biener <rguenther@suse.de>
5441 * gcc.c (process_command): Process -gtoggle like process_options
5442 would after parsing options.
5444 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
5446 * cfgexpand.c (expand_asm_loc): Adjust.
5447 (expand_asm_stmt): Likewise.
5448 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
5449 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
5450 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
5451 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
5452 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
5453 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
5454 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
5455 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
5456 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
5457 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
5458 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
5459 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
5460 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
5461 * doc/tm.texi: Regenerate.
5462 * target.def: Add location argument to md_asm_adjust.
5464 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
5466 * tree-diagnostic.c (diagnostic_report_current_function): Use the
5467 diagnostic's location, not input_location.
5469 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
5471 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
5473 (expand_asm_stmt): Likewise.
5475 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
5477 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
5478 addressed memory rtx, if any.
5479 (rs6000_split_multireg_move): Fix code formatting.
5480 Handle MMA build built-ins with operands in adjacent memory locations.
5482 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
5484 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
5487 2021-07-14 Jason Merrill <jason@redhat.com>
5489 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
5491 2021-07-14 Jason Merrill <jason@redhat.com>
5493 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
5496 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5498 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5499 Remove erroneous line.
5501 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
5503 * params.opt (param_evrp_mode): Change default.
5505 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5507 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
5508 (sdot_prod, udot_prod): ...These.
5509 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
5510 (aarch64_<sur>dot<vsi2qi>): Rename to...
5511 (<sur>dot_prod<vsi2qi>): ...This.
5512 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
5515 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5517 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
5519 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5521 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
5523 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5525 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
5527 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5529 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
5530 (usdot_prod<vsi2qi>): ... This.
5531 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
5532 (usdot_prod): ...This.
5533 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
5534 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
5536 (@<sur>dot_prod<vsi2qi>): ...This.
5537 * config/aarch64/aarch64-sve-builtins-base.cc
5538 (svusdot_impl::expand): Use it.
5540 2021-07-14 Tamar Christina <tamar.christina@arm.com>
5542 * optabs.def (usdot_prod_optab): New.
5543 * doc/md.texi: Document it and clarify other dot prod optabs.
5544 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
5545 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
5546 * optabs.c (expand_widen_pattern_expr): Likewise.
5547 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
5548 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
5549 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
5551 (vect_widened_op_tree): Optionally ignore
5553 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
5555 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
5558 * config/i386/driver-i386.c (host_detect_local_cpu): Check
5559 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
5560 Enable UINTR only for 64-bit codegen.
5561 * config/i386/i386-options.c
5562 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
5564 * config/i386/i386.h (ARCH_ARG): New.
5565 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
5566 "[arch|tune] 64" for 64-bit codegen.
5568 2021-07-14 Richard Biener <rguenther@suse.de>
5570 PR tree-optimization/101445
5571 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
5572 of the IV in the correct direction for negative stride
5575 2021-07-14 Jakub Jelinek <jakub@redhat.com>
5578 * godump.c (godump_str_hash): New type.
5579 (godump_container::pot_dummy_types): Use string_hash instead of
5580 ptr_hash in the hash_set.
5582 2021-07-14 Richard Biener <rguenther@suse.de>
5584 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
5585 vector types where the old vector type has a multiple of
5586 the new vector type elements.
5587 (vect_create_partial_epilog): New function, split out from...
5588 (vect_create_epilog_for_reduction): ... here.
5589 (vect_transform_cycle_phi): Reduce the re-used accumulator
5590 to the new vector type.
5592 2021-07-14 Alexandre Oliva <oliva@adacore.com>
5594 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
5595 non-'t'-sized arg check.
5597 2021-07-14 Alexandre Oliva <oliva@adacore.com>
5599 * tree-cfg.c (cleanup_dead_labels_eh): Update
5600 post_landing_pad label upon change of landing pad block's
5602 (cleanup_dead_labels): Check that a removed label is not that
5605 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
5607 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
5609 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
5610 Add Neon to general purpose register case for zero-extend
5612 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
5613 case to prevent some cases opting to go through memory.
5614 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
5615 * rtl.c (rtvec_series_p): Define predicate to determine
5616 whether a vector contains a linear series of integers.
5617 * rtl.h (rtvec_series_p): Define.
5618 * rtlanal.c (vec_series_lowpart_p): Define predicate to
5619 determine if a vector selection is equivalent to the low part
5621 * rtlanal.h (vec_series_lowpart_p): Define.
5622 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
5623 Add vec_select -> subreg simplification.
5625 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
5627 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
5628 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
5629 _mm_test_mix_ones_zeros): New.
5631 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
5632 Richard Biener <rguenther@suse.de>
5634 * gimple.c (gimple_could_trap_p_1): Make S argument a
5635 "const gimple*". Preserve constness in call to
5636 gimple_asm_volatile_p.
5637 (gimple_could_trap_p): Make S argument a "const gimple*".
5638 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
5639 Update function prototypes.
5641 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5643 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
5644 (_loop_vec_info::main_loop_edge): New field.
5645 (_loop_vec_info::skip_main_loop_edge): Likewise.
5646 (_loop_vec_info::skip_this_loop_edge): Likewise.
5647 (_loop_vec_info::reusable_accumulators): Likewise.
5648 (_stmt_vec_info::reduc_scalar_results): Likewise.
5649 (_stmt_vec_info::reused_accumulator): Likewise.
5650 (vect_get_main_loop_result): Declare.
5651 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
5652 reduc_scalar_inputs.
5653 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
5654 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
5655 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
5656 skip_main_loop_edge and skip_this_loop_edge fields.
5657 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
5658 (vect_emit_reduction_init_stmts): New function.
5659 (get_initial_def_for_reduction): Use it.
5660 (get_initial_defs_for_reduction): Likewise. Change the vinfo
5661 parameter to a loop_vec_info.
5662 (vect_create_epilog_for_reduction): Store the scalar results
5663 in the reduc_info. If an epilogue loop is reusing an accumulator
5664 from the main loop, and if the epilogue loop can also be skipped,
5665 try to place the reduction code in the join block. Record
5666 accumulators that could potentially be reused by epilogue loops.
5667 (vect_transform_cycle_phi): When vectorizing epilogue loops,
5668 try to reuse accumulators from the main loop. Record the initial
5669 value in reduc_info for non-SLP reductions too.
5671 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5673 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
5674 adjustment handling. Take the neutral value as an argument,
5675 in place of the code argument.
5676 (vect_transform_cycle_phi): Update accordingly. Handle the
5677 initial values of cond reductions separately from code reductions.
5678 Choose the adjustment here rather than in
5679 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
5681 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5683 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
5684 (neutral_op_for_reduction): ...this, providing a more general
5686 (vect_create_epilog_for_reduction): Update accordingly.
5687 (vectorizable_reduction): Likewise.
5688 (vect_transform_cycle_phi): Likewise.
5690 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5692 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
5693 reduc_info instead of the original stmt_vec_info.
5694 (vect_transform_cycle_phi): Update accordingly.
5696 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5698 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
5699 reduc_info as an additional parameter.
5700 (vect_transform_cycle_phi): Update accordingly.
5702 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5704 * tree-vectorizer.h: Include tree-ssa-operands.h.
5705 (vect_phi_initial_value): New function.
5706 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
5707 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
5708 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
5709 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
5711 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5713 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
5714 the phi results to vectype after creating them. Remove later
5715 conversion code that thus becomes redundant.
5717 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5719 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
5720 the new_phis vector with a reduc_inputs vector. Combine handling
5721 of reduction chains and ncopies > 1.
5723 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5725 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
5726 scalar_results to group_size elements after reducing down from
5727 N*group_size elements. Construct an array_slice of the live-out
5728 stmts and assert that there is one stmt per scalar result.
5730 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5732 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5733 nested_in_vect_loop and use double_reduc everywhere. Remove dead
5734 assignment to "loop".
5736 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
5738 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
5739 vector types first. For scalar types, consider both the preferred
5740 vector mode and the alternative vector modes.
5741 * optabs-query.c (can_vec_mask_load_store_p): Use the same
5742 structure as above, in particular using related_vector_mode
5743 for modes provided by autovectorize_vector_modes.
5745 2021-07-13 Jakub Jelinek <jakub@redhat.com>
5746 Richard Biener <rguenther@suse.de>
5748 PR tree-optimization/101419
5749 * tree-pass.h (PROP_objsz): Define.
5750 (make_pass_early_object_sizes): Declare.
5751 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
5752 there to pass_early_object_sizes, drop parameter.
5753 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
5754 drop parameter, move pass_post_ipa_warn right after that.
5755 * tree-object-size.c (pass_object_sizes::execute): Rename to...
5756 (object_sizes_execute): ... this. Add insert_min_max_p argument.
5757 (pass_data_object_sizes): Move after object_sizes_execute.
5758 (pass_object_sizes): Likewise. In execute method call
5759 object_sizes_execute, drop set_pass_param method and insert_min_max_p
5760 non-static data member and its initializer in the ctor.
5761 (pass_data_early_object_sizes, pass_early_object_sizes,
5762 make_pass_early_object_sizes): New.
5763 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
5764 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
5766 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
5769 * config/riscv/constraints.md ("S"): Update description and remove
5771 * doc/md.texi (Machine Constraints): Document the 'S' constraints
5774 2021-07-13 Richard Biener <rguenther@suse.de>
5777 2021-07-12 Richard Biener <rguenther@suse.de>
5779 * tree-vect-slp.c (vect_slp_region): Show the number of
5780 SLP graph entries in the optimization message.
5782 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
5784 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
5786 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
5787 return type to long.
5788 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
5791 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
5793 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
5794 Query relation between the 2 operands and use it.
5796 2021-07-12 Sergei Trofimovich <siarheit@google.com>
5798 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
5800 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
5803 * config/i386/predicates.md (vec_setm_sse41_operand):
5804 Rename from vec_setm_operand.
5805 (vec_setm_avx2_operand): New predicate.
5806 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
5807 Use vec_setm_sse41_operand as operand 2 predicate.
5808 (vec_set<V_256_512:mode): New expander.
5809 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
5810 as operand 2 predicate.
5812 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
5814 PR tree-optimization/101335
5815 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
5817 2021-07-12 Andrew Pinski <apinski@marvell.com>
5819 * tree-ssa-phiopt.c (match_simplify_replacement): Move
5820 insert of the sequence before the movement of the
5821 statement. Check if to see if the statement is used
5822 outside of the original phi to see if we should move it.
5824 2021-07-12 Richard Biener <rguenther@suse.de>
5826 * dump-context.h (debug_dump_context::debug_dump_context):
5827 Add FILE * parameter defaulted to stderr.
5828 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
5829 * tree-vect-slp.c (dot_slp_tree): New functions.
5831 2021-07-12 Richard Biener <rguenther@suse.de>
5833 PR tree-optimization/101373
5834 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
5835 references when the BB may not return.
5836 (compute_avail): Pass in the function we're working on and
5837 replace cfun references with it. Externally throwing
5838 const calls also possibly terminate the function.
5839 (pass_pre::execute): Pass down the function we're working on.
5840 * gcse.c (compute_hash_table_work): Externally throwing
5841 const/pure calls also need record_last_mem_set_info.
5842 * postreload-gcse.c (record_opr_changes): Looping or externally
5843 throwing const/pure calls also need record_last_mem_set_info.
5845 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
5847 * recog.c (memory_address_addr_space_p): Change the type to bool.
5848 Return true/false instead of 1/0.
5849 (offsettable_memref_p): Ditto.
5850 (offsettable_nonstrict_memref_p): Ditto.
5851 (offsettable_address_addr_space_p): Ditto.
5852 Change the type of addressp indirect function to bool.
5853 * recog.h (memory_address_addr_space_p): Change the type to bool.
5854 (strict_memory_address_addr_space_p): Ditto.
5855 (offsettable_memref_p): Ditto.
5856 (offsettable_nonstrict_memref_p): Ditto.
5857 (offsettable_address_addr_space_p): Ditto.
5858 * reload.c (maybe_memory_address_addr_space_p): Ditto.
5859 (strict_memory_address_addr_space_p): Change the type to bool.
5860 Return true/false instead of 1/0.
5861 (maybe_memory_address_addr_space_p): Change the type to bool.
5863 2021-07-12 Richard Biener <rguenther@suse.de>
5865 * tree-vect-slp.c (vect_slp_region): Show the number of
5866 SLP graph entries in the optimization message.
5868 2021-07-12 Richard Biener <rguenther@suse.de>
5870 PR tree-optimization/101394
5871 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
5872 copies from abnormals for a full redundancy.
5874 2021-07-12 Richard Biener <rguenther@suse.de>
5876 PR middle-end/101423
5877 * gimple.c (gimple_could_trap_p_1): Internal function calls
5879 * tree-eh.c (tree_could_trap_p): Likewise.
5881 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5884 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
5886 (vmulq_n_u32): Likewise.
5887 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
5888 (vmulq_n_f32): Likewise.
5889 (vmul_n_f16): Likewise.
5890 (vmulq_n_f16): Likewise.
5892 2021-07-12 Martin Liska <mliska@suse.cz>
5895 * gcc.c (check_offload_target_name): Call
5896 candidates_list_and_hint only if we have a candidate.
5898 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5901 * config/arm/neon.md (vec_init): Move to ...
5902 * config/arm/vec-common.md (vec_init): ... here.
5903 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
5905 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
5907 PR tree-optimization/101403
5908 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
5909 signedness of the shift is not the same as the signedness of
5912 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
5913 Uroš Bizjak <ubizjak@gmail.com>
5915 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
5916 divmod of a constant numerator with new define_insn_and_split.
5918 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
5921 * config/i386/i386-expand.c (ix86_expand_call): If a call is
5922 to a non-local-binding, or local but to a public symbol, then
5923 assume that it might be indirected via the lazy symbol binder.
5924 Mark R10 and R10 as clobbered in that case.
5926 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
5929 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
5930 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
5931 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
5933 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
5935 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
5936 log2 range of operands[3] to [1,31].
5937 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
5939 2021-07-09 Sergei Trofimovich <siarheit@google.com>
5941 * doc/md.texi: Don't split @smallexample in multiple @groups.
5943 2021-07-09 Sergei Trofimovich <siarheit@google.com>
5945 * doc/md.texi: Add missing 'see' word.
5947 2021-07-09 Andrew Pinski <apinski@marvell.com>
5949 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
5950 to take sequence and gimple_match_op. Accept the case where
5951 op is a SSA_NAME and one statement in the sequence.
5952 Also allow constants.
5953 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
5954 Update call to phiopt_early_allow. Discard the sequence if not
5957 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
5962 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
5963 instead of ISA_HAS_MSA.
5964 (mips_expand_vec_unpack): Likewise.
5965 (mips_expand_vector_init): Likewise.
5967 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
5969 * config/rs6000/vsx.md (mods_<mode>): Rename to...
5970 (mod<mode>3): ... this.
5971 (modu_<mode>): Rename to...
5972 (umod<mode>3): ... this.
5973 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
5976 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
5978 * config/h8300/shiftrotate.md (variable shifts): Expose condition
5979 code handling for the test before the loop.
5981 2021-07-08 Martin Jambor <mjambor@suse.cz>
5984 * ipa-sra.c (class isra_call_summary): New member
5985 m_before_any_store, initialize it in the constructor.
5986 (isra_call_summary::dump): Dump the new field.
5987 (ipa_sra_call_summaries::duplicate): Copy it.
5988 (process_scan_results): Set it.
5989 (isra_write_edge_summary): Stream it.
5990 (isra_read_edge_summary): Likewise.
5991 (param_splitting_across_edge): Only override
5992 safe_to_import_accesses if m_before_any_store is set.
5994 2021-07-08 Martin Sebor <msebor@redhat.com>
5997 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
5998 Use Object Size Type 0 instead of 1.
6000 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
6002 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
6005 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
6007 * match.pd: Simplify an extend-operate-truncate sequence involving
6010 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
6011 Richard Biener <rguenther@suse.de>
6013 PR tree-optimization/40210
6014 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
6015 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
6016 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
6018 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
6021 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
6023 * config/i386/mmx.md (V_32): New mode iterator.
6024 (mov<V_32:mode>): Use V_32 mode iterator.
6025 (*mov<V_32:mode>_internal): Ditto.
6026 (*push<V_32:mode>2_rex64): Ditto.
6027 (*push<V_32:mode>2): Ditto.
6028 (movmisalign<V_32:mode>): Ditto.
6029 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
6030 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
6031 (vec_unpacks_lo_v4qi): New expander.
6032 (vec_unpacks_hi_v4qi): Ditto.
6033 (vec_unpacku_lo_v4qi): Ditto.
6034 (vec_unpacku_hi_v4qi): Ditto.
6035 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
6036 (VALID_INT_MODE_P): Ditto.
6038 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
6041 * config/rs6000/rs6000.md (udivti3): New insn.
6043 (umodti3): New insn.
6046 2021-07-07 Martin Sebor <msebor@redhat.com>
6048 PR tree-optimization/100137
6049 PR tree-optimization/99121
6050 PR tree-optimization/97027
6051 * builtins.c (access_ref::access_ref): Also set offmax.
6052 (access_ref::offset_in_range): Define new function.
6053 (access_ref::add_offset): Set offmax.
6054 (access_ref::inform_access): Handle access_none.
6055 (handle_mem_ref): Clear ostype.
6056 (compute_objsize_r): Handle ASSERT_EXPR.
6057 * builtins.h (struct access_ref): Add offmax member.
6058 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
6059 compute_objsize() and simplify.
6061 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
6063 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
6064 and VSX_BUILTIN_STXVP.
6066 2021-07-07 Martin Sebor <msebor@redhat.com>
6069 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
6070 a stray %K from error_at() missed in r12-2088.
6072 2021-07-07 Richard Biener <rguenther@suse.de>
6074 PR tree-optimization/99728
6075 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
6077 (mem_refs_may_alias_p): Add assert we handled aggregate
6079 (sm_seq_valid_bb): Give up when running into aggregate copies.
6080 (ref_indep_loop_p): Handle aggregate copies as never
6081 being invariant themselves but allow other refs to be
6082 disambiguated against them.
6083 (can_sm_ref_p): Do not try to apply store-motion to aggregate
6086 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
6089 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
6092 2021-07-06 Martin Sebor <msebor@redhat.com>
6094 * gimple-pretty-print.c (percent_G_format): Remove.
6095 * tree-diagnostic.c (default_tree_printer): Remove calls.
6096 * tree-pretty-print.c (percent_K_format): Remove.
6097 * tree-pretty-print.h (percent_K_format): Remove.
6099 2021-07-06 Martin Sebor <msebor@redhat.com>
6101 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
6102 Remove %K and use error_at.
6103 (aarch64_expand_fcmla_builtin): Same.
6104 (aarch64_expand_builtin_tme): Same.
6105 (aarch64_expand_builtin_memtag): Same.
6106 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
6107 (arm_expand_builtin): Same.
6108 * config/arm/arm.c (bounds_check): Same.
6110 2021-07-06 Martin Sebor <msebor@redhat.com>
6112 * builtins.c (warn_string_no_nul): Remove %G.
6113 (maybe_warn_for_bound): Same.
6114 (warn_for_access): Same.
6115 (check_access): Same.
6116 (check_strncat_sizes): Same.
6117 (expand_builtin_strncat): Same.
6118 (expand_builtin_strncmp): Same.
6119 (expand_builtin): Same.
6120 (expand_builtin_object_size): Same.
6121 (warn_dealloc_offset): Same.
6122 (maybe_emit_free_warning): Same.
6123 * calls.c (maybe_warn_alloc_args_overflow): Same.
6124 (maybe_warn_nonstring_arg): Same.
6125 (maybe_warn_rdwr_sizes): Same.
6126 * expr.c (expand_expr_real_1): Remove %K.
6127 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
6128 (gimple_fold_builtin_strncat): Same.
6129 * gimple-ssa-sprintf.c (format_directive): Same.
6130 (handle_printf_call): Same.
6131 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
6132 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
6133 (maybe_diag_access_bounds): Same. Call gimple_location.
6134 (check_bounds_or_overlap): Same.
6135 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
6136 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
6137 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
6138 (maybe_diag_stxncpy_trunc): Same.
6139 (handle_builtin_stxncpy_strncat): Same.
6140 (maybe_warn_pointless_strcmp): Same.
6141 * tree-ssa-uninit.c (maybe_warn_operand): Same.
6143 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
6146 * config/i386/predicates.md (vec_setm_operand): Enable
6147 register_operand for TARGET_SSE4_1.
6148 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
6149 as operand 2 predicate. Call ix86_expand_vector_set_var
6150 for non-constant index operand.
6151 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
6152 Call ix86_expand_vector_set_var for non-constant index operand.
6154 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
6156 * config/h8300/jumpcall.md (*branch): When possible, generate
6157 the comparison in CCZN mode.
6158 * config/h8300/predicates.md (simple_memory_operand): Reject all
6159 auto-increment addressing modes.
6161 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
6164 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
6167 2021-07-06 Richard Biener <rguenther@suse.de>
6169 * doc/md.texi (vec_fmaddsub<mode>4): Document.
6170 (vec_fmsubadd<mode>4): Likewise.
6171 * optabs.def (vec_fmaddsub$a4): Add.
6172 (vec_fmsubadd$a4): Likewise.
6173 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
6174 (IFN_VEC_FMSUBADD): Likewise.
6175 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
6176 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
6177 (addsub_pattern::build): Likewise.
6178 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
6179 and CFN_VEC_FMSUBADD are not transparent for permutes.
6180 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
6181 (vec_fmsubadd<mode>4): Likewise.
6183 2021-07-06 Richard Biener <rguenther@suse.de>
6185 * doc/invoke.texi (fmove-loop-stores): Document.
6186 * common.opt (fmove-loop-stores): New option.
6187 * opts.c (default_options_table): Enable -fmove-loop-stores
6189 * tree-ssa-loop-im.c (pass_lim::execute): Pass
6190 flag_move_loop_stores instead of true to
6191 loop_invariant_motion_in_fun.
6193 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
6195 * doc/install.texi: Document --with-dsymutil.
6197 2021-07-06 Andrew Pinski <apinski@marvell.com>
6199 PR tree-optimization/101256
6200 * dbgcnt.def (phiopt_edge_range): New counter.
6201 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
6202 Check to make sure the new name is defined in the same
6203 bb as the conditional before duplicating range info.
6204 Also add debug counter.
6206 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
6208 PR rtl-optimization/100328
6209 * config/i386/i386-options.c (ix86_option_override_internal):
6210 Set param_ira_consider_dup_in_all_alts to 0.
6212 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
6214 PR rtl-optimization/100328
6215 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
6217 * ira.c (ira_get_dup_out_num): Adjust as parameter
6218 param_ira_consider_dup_in_all_alts.
6219 * params.opt (ira-consider-dup-in-all-alts): New.
6220 * ira-conflicts.c (process_regs_for_copy): Add one parameter
6221 single_input_op_has_cstr_p.
6222 (get_freq_for_shuffle_copy): New function.
6223 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
6224 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
6226 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
6228 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
6229 generate condition code aware RTL directly.
6231 2021-07-05 Andrew Pinski <apinski@marvell.com>
6233 PR tree-optimization/101039
6234 * match.pd (A CMP 0 ? A : -A): New patterns.
6235 * tree-ssa-phiopt.c (abs_replacement): Delete function.
6236 (tree_ssa_phiopt_worker): Don't call abs_replacement.
6237 Update comment about abs_replacement.
6239 2021-07-05 Andrew Pinski <apinski@marvell.com>
6241 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
6242 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
6244 2021-07-05 Andrew Pinski <apinski@marvell.com>
6246 * tree-ssa-phiopt.c (match_simplify_replacement):
6247 Add early_p argument. Call gimple_simplify_phiopt
6248 instead of gimple_simplify.
6249 (tree_ssa_phiopt_worker): Update call to
6250 match_simplify_replacement and allow unconditionally.
6251 (phiopt_early_allow): New function.
6252 (gimple_simplify_phiopt): New function.
6254 2021-07-05 Andrew Pinski <apinski@marvell.com>
6256 PR middle-end/101237
6257 * fold-const.c (negate_expr_p): Remove call to element_mode
6258 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
6259 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
6260 (fold_negate_expr_1): Likewise.
6261 (const_unop): Likewise.
6262 (fold_cond_expr_with_comparison): Likewise.
6263 (fold_binary_loc): Likewise.
6264 (fold_ternary_loc): Likewise.
6265 (tree_call_nonnegative_warnv_p): Likewise.
6266 * match.pd (-(A + B) -> (-B) - A): Likewise.
6268 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
6270 * configure.ac: Handle --with-dsymutil in the same way as we
6271 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
6272 Extract the type and version for the dsymutil configured or
6273 found by the default searches.
6274 * config.in: Regenerated.
6275 * configure: Regenerated.
6276 * collect2.c (do_dsymutil): Handle locating dsymutil in the
6277 same way as for the assembler and linker.
6278 * config/darwin.h (DSYMUTIL): Delete.
6279 * gcc.c: Report a configured dsymutil correctly.
6280 * exec-tool.in: Allow for dsymutil.
6282 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
6284 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
6285 Handle V4QI and V2HI modes.
6286 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
6287 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
6288 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
6289 Handle 4-byte dual operands with TARGET_XOP and single operands
6290 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
6291 mmx_pshufbv4qi3 for TARGET_SSSE3.
6292 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
6293 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
6294 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
6295 (expand_vec_perm_even_odd_1): Handle V4QI mode.
6296 (expand_vec_perm_broadcast_1): Handle V4QI mode.
6297 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
6298 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
6299 (mmx_pshufbv4qi3): Ditto.
6300 (*mmx_pblendw32): Ditto.
6301 (*mmx_pblendw64): Rename from *mmx_pblendw.
6302 (mmx_punpckhbw_low): New insn_and_split pattern.
6303 (mmx_punpcklbw_low): Ditto.
6305 2021-07-05 Richard Biener <rguenther@suse.de>
6307 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
6308 set LOOP_C_INFINITE on the vectorized loop.
6310 2021-07-05 Richard Biener <rguenther@suse.de>
6312 PR middle-end/101291
6313 * cfgloopmanip.c (loop_version): Set the loop copy of the
6314 versioned loop to the new loop.
6316 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
6319 * config.gcc: Ensure that Darwin biarch definitions are
6320 added before i386.h.
6321 * config/i386/darwin.h (TARGET_64BIT): Remove.
6322 (PR80556_WORKAROUND): New.
6323 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
6324 (DARWIN_SUBARCH_SPEC): New.
6325 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
6326 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
6327 (REAL_LIBGCC_SPEC): Remove.
6328 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
6329 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
6330 (REAL_LIBGCC_SPEC): Remove.
6332 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
6334 PR middle-end/101294
6335 * expr.c (store_constructor): Don't use vec_duplicate on vector.
6337 2021-07-02 Martin Sebor <msebor@redhat.com>
6341 * diagnostic.c (get_any_inlining_info): New.
6342 (update_effective_level_from_pragmas): Handle inlining context.
6343 (diagnostic_enabled): Same.
6344 (diagnostic_report_diagnostic): Same.
6345 * diagnostic.h (struct diagnostic_info): Add ctor.
6346 (struct diagnostic_context): Add new member.
6347 * tree-diagnostic.c (set_inlining_locations): New.
6348 (tree_diagnostics_defaults): Set new callback pointer.
6350 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
6352 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
6354 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
6355 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
6356 lxvp and stxvp built-ins.
6357 (mma_init_builtins): Handle lxvp and stxvp built-ins.
6358 (builtin_function_type): Likewise.
6359 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
6361 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6363 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
6364 additional argument for the code.
6365 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
6366 argument for the code. Just return if the ZN bits are useful or
6367 not rather than the old style CC_* enums.
6368 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
6369 more generic shiftqi patterns.
6370 (shifthi_noscratch, shiftsi_noscratch): Similarly.
6371 (shiftqi_noscratch_set_flags): New pattern.
6372 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
6374 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
6376 PR tree-optimization/101223
6377 * range-op.cc (build_lt): Add -1 for signed values.
6378 (built_gt): Subtract -1 for signed values.
6380 2021-07-02 David Faust <david.faust@oracle.com>
6382 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
6383 (btf_asm_type): Likewise.
6385 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6387 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
6388 an array of rtx rather than a pointer to rtx. Add code argument.
6389 (compute_a_shift_length): Similarly.
6390 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
6391 shift itself isn't an operand. Create dummy operand[0] to carry
6392 a mode and pass a suitable rtx code to compute_a_shift_length.
6393 (get_shift_alg): Adjust operand number of clobber in output templates.
6394 (output_a_shift): Make first argument an array of rtx rather than
6395 a pointer to rtx. Add code argument for the type of shift.
6396 Adjust now that the shift itself is no longer an operand.
6397 (compute_a_shift_length): Similarly.
6398 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
6399 iterator rather than nshift_operator.
6400 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
6401 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
6402 and compute_a_shift_length.
6403 (shiftqi_noscratch_clobber_flags): Likewise.
6404 (shifthi_noscratch_clobber_flags): Likewise.
6405 (shiftsi_noscratch_clobber_flags): Likewise.
6407 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
6410 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
6411 dsymutil for BTF/CTF.
6413 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
6416 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
6417 segment to include BTF.
6418 (BTF_INFO_SECTION_NAME): New.
6420 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6422 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
6423 (small_data_operand, memreg_operand, small_insn_p): Likewise.
6424 * config/m32r/m32r.c (call_operand): Adjust return type.
6425 (small_data_operand, memreg_operand): Likewise.
6427 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6429 * config/frv/frv-protos.h (integer_register_operand): Adjust return
6431 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
6432 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
6433 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
6434 (move_source_operand, move_destination_operand): Likewise.
6435 (condexec_source_operand, condexec_dest_operand): Likewise.
6436 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
6437 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
6438 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
6439 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
6440 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
6441 (even_fpr_operand, odd_fpr_operand): Likewise.
6442 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
6443 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
6444 (uint4_operand, uint1_operand, int_2word_operand): Likewise
6445 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
6446 (relational_operator, float_relational_operator): Likewise.
6447 (ccr_eqne_operator, minmax_operator): Likewise.
6448 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
6449 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
6450 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
6451 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
6452 (quad_acc_operand, accg_operand): Likewise.
6454 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
6456 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
6457 return type to a bool.
6458 (nonimmediate_nonstack_operand): Likewise.
6459 (xstormy16_splittable_below100_operand): Likewise.
6460 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
6462 (xstormy16_splittable_below100_operand): Likewise.
6464 2021-07-02 Richard Biener <rguenther@suse.de>
6466 PR tree-optimization/101293
6467 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
6468 with combined offsets.
6469 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
6470 combined with the rest of the offset.
6472 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
6474 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
6475 PIC encodings for PE-COFF targets.
6477 2021-07-02 Jakub Jelinek <jakub@redhat.com>
6480 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
6481 Return nullptr for TImode inner mode.
6483 2021-07-02 Richard Biener <rguenther@suse.de>
6485 PR tree-optimization/101280
6486 PR tree-optimization/101173
6487 * gimple-loop-interchange.cc
6488 (tree_loop_interchange::valid_data_dependences): Properly
6489 guard all dependence checks with DDR_REVERSED_P or its
6492 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
6494 * config/i386/i386-expand.c (ix86_expand_builtin):
6495 Add branch to clear odata when ZF is set for asedecenc_expand
6496 and wideaesdecenc_expand.
6498 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
6500 * config/i386/gcc-auto-profile: regenerate
6502 2021-07-02 liuhongt <hongtao.liu@intel.com>
6504 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
6505 (trunc<mode><pmov_dst_4_lower>2): this.
6507 2021-07-01 David Malcolm <dmalcolm@redhat.com>
6509 * diagnostic.h (diagnostic_context::m_file_cache): New field.
6510 * input.c (class fcache): Rename to...
6511 (class file_cache_slot): ...this, making most members private and
6512 prefixing fields with "m_".
6513 (file_cache_slot::get_file_path): New accessor.
6514 (file_cache_slot::get_use_count): New accessor.
6515 (file_cache_slot::missing_trailing_newline_p): New accessor.
6516 (file_cache_slot::inc_use_count): New.
6517 (fcache_buffer_size): Move to...
6518 (file_cache_slot::buffer_size): ...here.
6519 (fcache_line_record_size): Move to...
6520 (file_cache_slot::line_record_size): ...here.
6521 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
6522 (fcache_tab_size): Move to file_cache::num_file_slots.
6523 (diagnostic_file_cache_init): Update for move of fcache_tab
6524 to global_dc->m_file_cache.
6525 (diagnostic_file_cache_fini): Likewise.
6526 (lookup_file_in_cache_tab): Convert to...
6527 (file_cache::lookup_file): ...this.
6528 (diagnostics_file_cache_forcibly_evict_file): Update for move of
6529 fcache_tab to global_dc->m_file_cache, moving most of
6530 implementation to...
6531 (file_cache::forcibly_evict_file): ...this new function and...
6532 (file_cache_slot::evict): ...this new function.
6533 (evicted_cache_tab_entry): Convert to...
6534 (file_cache::evicted_cache_tab_entry): ...this.
6535 (add_file_to_cache_tab): Convert to...
6536 (file_cache::add_file): ...this, moving bulk of implementation
6538 (file_cache_slot::create): ..this new function.
6539 (file_cache::file_cache): New.
6540 (file_cache::~file_cache): New.
6541 (lookup_or_add_file_to_cache_tab): Convert to...
6542 (file_cache::lookup_or_add_file): ..this new function.
6543 (fcache::fcache): Rename to...
6544 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
6546 (fcache::~fcache): Rename to...
6547 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
6549 (needs_read): Convert to...
6550 (file_cache_slot::needs_read_p): ...this.
6551 (needs_grow): Convert to...
6552 (file_cache_slot::needs_grow_p): ...this.
6553 (maybe_grow): Convert to...
6554 (file_cache_slot::maybe_grow): ...this.
6555 (read_data): Convert to...
6556 (file_cache_slot::read_data): ...this.
6557 (maybe_read_data): Convert to...
6558 (file_cache_slot::maybe_read_data): ...this.
6559 (get_next_line): Convert to...
6560 (file_cache_slot::get_next_line): ...this.
6561 (goto_next_line): Convert to...
6562 (file_cache_slot::goto_next_line): ...this.
6563 (read_line_num): Convert to...
6564 (file_cache_slot::read_line_num): ...this.
6565 (location_get_source_line): Update for moving of globals to
6566 global_dc->m_file_cache.
6567 (location_missing_trailing_newline): Likewise.
6568 * input.h (class file_cache_slot): New forward decl.
6569 (class file_cache): New.
6571 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
6573 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
6574 128-bit floating point conditional move support.
6575 (have_compare_and_set_mask): Add IEEE 128-bit floating point
6577 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
6578 (mov<mode>cc_p10, IEEE128 iterator): New insn.
6579 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
6580 (fpmask<mode>, IEEE128 iterator): New insn.
6581 (xxsel<mode>, IEEE128 iterator): New insn.
6583 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
6586 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
6588 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
6590 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
6592 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
6594 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
6595 (vec_duplicate<mode>): New expander.
6597 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
6600 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
6602 (ix86_byte_broadcast): New function.
6603 (ix86_convert_const_wide_int_to_broadcast): Likewise.
6604 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
6605 size is 16 bytes or bigger.
6606 (ix86_broadcast_from_integer_constant): New function.
6607 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
6608 to broadcast if mode size is 16 bytes or bigger.
6609 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
6611 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
6613 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6615 * config/i386/predicates.md (ix86_endbr_immediate_operand):
6616 Return true/false instead of 1/0.
6617 (movq_parallel): Ditto.
6619 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6621 * recog.c (general_operand): Return true/false instead of 1/0.
6622 (register_operand): Ditto.
6623 (immediate_operand): Ditto.
6624 (const_int_operand): Ditto.
6625 (const_scalar_int_operand): Ditto.
6626 (const_double_operand): Ditto.
6627 (push_operand): Ditto.
6628 (pop_operand): Ditto.
6629 (memory_operand): Ditto.
6630 (indirect_operand): Ditto.
6632 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6634 * genpreds.c (write_predicate_subfunction):
6635 Change the type of written subfunction to bool.
6636 (write_one_predicate_function):
6637 Change the type of written function to bool.
6638 (write_tm_preds_h): Ditto.
6639 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
6640 * recog.c (general_operand): Change the type to bool.
6641 (address_operand): Ditto.
6642 (register_operand): Ditto.
6643 (pmode_register_operand): Ditto.
6644 (scratch_operand): Ditto.
6645 (immediate_operand): Ditto.
6646 (const_int_operand): Ditto.
6647 (const_scalar_int_operand): Ditto.
6648 (const_double_operand): Ditto.
6649 (nonimmediate_operand): Ditto.
6650 (nonmemory_operand): Ditto.
6651 (push_operand): Ditto.
6652 (pop_operand): Ditto.
6653 (memory_operand): Ditto.
6654 (indirect_operand): Ditto.
6655 (ordered_comparison_operator): Ditto.
6656 (comparison_operator): Ditto.
6657 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
6658 Change the type of indirect predicate function to bool.
6659 * config/rs6000/rs6000.c (easy_vector_constant):
6660 Change the type to bool.
6661 * config/mips/mips-protos.h (m16_based_address_p):
6662 Change the type of operand 3 to bool.
6664 2021-07-01 Richard Biener <rguenther@suse.de>
6666 PR tree-optimization/101280
6667 PR tree-optimization/101173
6668 * gimple-loop-interchange.cc
6669 (tree_loop_interchange::valid_data_dependences): Revert
6670 previous change and instead correctly handle DDR_REVERSED_P
6673 2021-07-01 Richard Biener <rguenther@suse.de>
6675 PR tree-optimization/101278
6676 * tree-ssa-dse.c (dse_classify_store): First check for
6677 uses, then ignore stmt for chaining purposes.
6679 2021-07-01 Richard Biener <rguenther@suse.de>
6681 PR tree-optimization/100778
6682 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
6683 vectorized ops ahead of their scalar BB.
6685 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
6688 * config/i386/i386.md (*nabs<dwi>2_doubleword):
6689 New insn_and_split pattern.
6690 (*nabs<dwi>2_1): Ditto.
6691 * config/i386/i386-features.c
6692 (general_scalar_chain::compute_convert_gain):
6693 Handle (NEG (ABS (...))) RTX. Rewrite src code
6694 scanner as switch statement.
6695 (general_scalar_chain::convert_insn):
6696 Handle (NEG (ABS (...))) RTX.
6697 (general_scalar_to_vector_candidate_p):
6698 Detect (NEG (ABS (...))) RTX. Reorder case statements
6699 for (AND (NOT (...) ...)) fallthrough.
6701 2021-07-01 Richard Biener <rguenther@suse.de>
6703 PR tree-optimization/101178
6704 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
6705 (slpg::perm_in): Add.
6706 (slpg::get_perm_in): Remove.
6707 (slpg::get_perm_materialized): Add.
6708 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
6709 during permute propagation and materialization.
6711 2021-07-01 Jakub Jelinek <jakub@redhat.com>
6714 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
6716 2021-07-01 Jakub Jelinek <jakub@redhat.com>
6719 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
6720 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
6721 use boolean_type_node instead of integer_type_node as NE_EXPR type.
6722 (lower_reduction_clauses): Likewise.
6724 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6726 * config/gcn/gcn.c: Include dwarf2.h.
6727 (gcn_addr_space_debug): New function.
6728 (TARGET_ADDR_SPACE_DEBUG): New hook.
6730 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6732 * common/config/gcn/gcn-common.c
6733 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
6734 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
6736 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
6737 (gcn_frame_pointer_rqd): New function.
6738 (TARGET_FRAME_POINTER_REQUIRED): New hook.
6740 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
6742 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
6743 prologue register saves.
6744 (gcn_debug_unwind_info): Use UI_DWARF2.
6745 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
6746 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
6747 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
6748 (DWARF_LINK_REGISTER): New define.
6749 (FIRST_PSEUDO_REGISTER): Increment.
6750 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
6751 (CALL_USED_REGISTERS): Likewise.
6752 (REGISTER_NAMES): Likewise.
6754 2021-06-30 Richard Biener <rguenther@suse.de>
6756 PR tree-optimization/101267
6757 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
6758 API and use SLP compatible interface of vect_is_simple_use.
6759 Reject not vectorized SLP defs for callers that do not support
6761 (vect_check_store_rhs): Handle masked stores and pass down
6762 the appropriate operator index.
6763 (vectorizable_call): Adjust.
6764 (vectorizable_store): Likewise.
6765 (vectorizable_load): Likewise. Handle SLP pecularity of
6767 (vect_is_simple_use): Remove special-casing of masked stores.
6769 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
6771 * common.opt (foffload): Remove help as Driver only.
6772 * gcc.c (display_help): Add -foffload.
6774 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
6776 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
6777 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
6778 a candidate list; better inform no offload target is configured
6779 and fix hint extraction when passed target is not '\0' at [len].
6780 * common.opt (foffload): Add tailing '.'.
6781 (foffload-options): Likewise; fix flag name in the help string.
6783 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
6786 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
6787 (vcage_f32): Gate comparison on __FAST_MATH__.
6788 (vcageq_f32): Likewise.
6789 (vcale_f32): Likewise.
6790 (vcaleq_f32): Likewise.
6791 (vcagt_f32): Likewise.
6792 (vcagtq_f32): Likewise.
6793 (vcalt_f32): Likewise.
6794 (vcaltq_f32): Likewise.
6795 (vcage_f16): Likewise.
6796 (vcageq_f16): Likewise.
6797 (vcale_f16): Likewise.
6798 (vcaleq_f16): Likewise.
6799 (vcagt_f16): Likewise.
6800 (vcagtq_f16): Likewise.
6801 (vcalt_f16): Likewise.
6802 (vcaltq_f16): Likewise.
6804 2021-06-30 Richard Biener <rguenther@suse.de>
6806 PR tree-optimization/101264
6807 * tree-vect-slp.c (vect_optimize_slp): Propagate the
6808 computed perm_in to all "any" permute successors
6809 we cannot de-duplicate immediately.
6811 2021-06-30 liuhongt <hongtao.liu@intel.com>
6814 * config/i386/sse.md
6815 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
6817 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
6819 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
6820 * config/i386/subst.md (maskz_scalar): New define_subst.
6821 (maskz_scalar_name): New subst_attr.
6822 (maskz_scalar_op5): Ditto.
6823 (round_saeonly_maskz_scalar_op5): Ditto.
6824 (round_saeonly_maskz_scalar_operand5): Ditto.
6826 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
6828 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
6829 Increase code CSECT alignment to at least 32 bytes.
6830 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
6831 alignment designation.
6833 2021-06-29 Sergei Trofimovich <siarheit@google.com>
6835 * doc/generic.texi: Fix s/net yet/not yet/ typo.
6837 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6839 PR tree-optimization/101254
6840 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
6841 wrapping/non-wrapping when setting the result range.
6843 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6845 * value-query.cc (gimple_range_global): Allow phis.
6847 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
6849 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
6850 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
6851 statement for location context.
6852 (check_for_binary_op_overflow): Ditto.
6853 (simplify_using_ranges::get_vr_for_comparison): Ditto.
6854 (simplify_using_ranges::compare_name_with_value): Ditto.
6855 (simplify_using_ranges::compare_names): Ditto.
6856 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
6857 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
6858 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
6859 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
6860 (simplify_using_ranges::two_valued_val_range_p): Ditto.
6861 (simplify_using_ranges::simplify): Ditto.
6862 * vr-values.h: Adjust prototypes.
6864 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
6867 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
6869 2021-06-29 Julian Brown <julian@codesourcery.com>
6871 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
6872 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
6873 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
6875 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
6876 (MAX_FIXED_MODE_SIZE): Change to 128.
6878 2021-06-29 Julian Brown <julian@codesourcery.com>
6880 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
6881 (s_mnemonic): Add clrsb.
6882 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
6883 (clrsb<mode>2): Add expander for SImode/DImode.
6885 2021-06-29 Julian Brown <julian@codesourcery.com>
6887 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
6888 muldi3): Add patterns.
6890 2021-06-29 Julian Brown <julian@codesourcery.com>
6892 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
6893 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
6895 2021-06-29 Julian Brown <julian@codesourcery.com>
6897 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
6899 2021-06-29 Joseph Myers <joseph@codesourcery.com>
6901 * btfout.c, ctfout.c: Include "memmodel.h".
6903 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6905 * gcc.c (check_offload_target_name): Cast len argument to
6906 %q.*s to 'int'; avoid -Wstringop-truncation warning.
6908 2021-06-29 Richard Biener <rguenther@suse.de>
6910 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
6911 to "any" permute nodes and relax "any" permute proapgation
6912 during iterative backward propagation.
6914 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6917 * common.opt (-foffload=): Update description.
6918 (-foffload-options=): New.
6919 * doc/invoke.texi (C Language Options): Document
6920 -foffload and -foffload-options.
6921 * gcc.c (check_offload_target_name): New, split off from
6922 handle_foffload_option.
6923 (check_foffload_target_names): New.
6924 (handle_foffload_option): Handle -foffload=default.
6925 (driver_handle_option): Update for -foffload-options.
6926 * lto-opts.c (lto_write_options): Use -foffload-options
6927 instead of -foffload.
6928 * lto-wrapper.c (merge_and_complain, append_offload_options):
6930 * opts.c (common_handle_option): Likewise.
6932 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
6934 * doc/invoke.texi (C Language Options): Sort options
6935 alphabetically in optlist and also the description itself.
6936 Remove leftover -fallow-single-precision from and add missing
6937 -fgnu-tm to the optlist.
6939 2021-06-29 Richard Biener <rguenther@suse.de>
6941 * tree-vect-slp.c (slpg_vertex::visited): Remove.
6942 (vect_slp_perms_eq): Handle -1 permutes.
6943 (vect_optimize_slp): Rewrite permute propagation.
6945 2021-06-29 Jakub Jelinek <jakub@redhat.com>
6948 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
6949 perform the optimization in GENERIC when sanitizing and x has a
6952 2021-06-29 Richard Biener <rguenther@suse.de>
6954 PR tree-optimization/101242
6955 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
6956 PHIs with not represented initial values as leafs.
6958 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
6960 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
6961 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
6963 (pdp11_initial_elimination_offset) Remove unused variable.
6964 (pdp11_cmp_length) Ditto.
6965 (pdp11_insn_cost): Ditto, and fix signedness warning.
6967 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
6969 * btfout.c: Include tm_p.h.
6972 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6974 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
6976 (bpf_expand_epilogue): Likewise.
6977 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
6978 Do not define DBX_DEBUGGING_INFO.
6980 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6982 * doc/invoke.texi: Document the CTF and BTF debug info options.
6984 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
6985 David Faust <david.faust@oracle.com>
6986 Jose E. Marchesi <jose.marchesi@oracle.com>
6987 Weimin Pan <weimin.pan@oracle.com>
6989 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
6990 GTFILES. Add new object files.
6991 * common.opt: Add CTF and BTF debug info options.
6992 * btfout.c: New file.
6995 * ctfout.c: Likewise.
6996 * dwarf2ctf.c: Likewise.
6997 * dwarf2ctf.h: Likewise.
6998 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
7000 * dwarf2out.c (dwarf2out_source_line): Likewise.
7001 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
7003 (debug_format_do_cu): New function.
7004 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
7006 Include dwarf2ctf.c.
7007 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
7009 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
7010 (CTF_DEBUG): New bitmask.
7011 (BTF_DEBUG): Likewise.
7012 (enum ctf_debug_info_levels): New enum.
7013 * gengtype.c (open_base_files): Handle ctfc.h.
7014 (main): Handle uint32_t type.
7015 * flags.h (btf_debuginfo_p): New definition.
7016 (dwarf_based_debuginfo_p): Likewise.
7017 * opts.c (debug_type_names): Add entries for CTF and BTF.
7018 (btf_debuginfo_p): New function.
7019 (dwarf_based_debuginfo_p): Likewise.
7020 (common_handle_option): Handle -gctfN and -gbtf options.
7021 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
7022 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
7025 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
7027 * dwarf2out.c (AT_class): Function is no longer static.
7029 (AT_unsigned): Likewise.
7032 (get_AT_string): Likewise.
7033 (get_AT_flag): Likewise.
7034 (get_AT_unsigned): Likewise.
7035 (get_AT_ref): Likewise.
7036 (new_die_raw): Likewise.
7037 (lookup_decl_die): Likewise.
7038 (base_type_die): Likewise.
7039 (add_name_attribute): Likewise.
7040 (add_AT_int): Likewise.
7041 (add_AT_unsigned): Likewise.
7042 (add_AT_loc): Likewise.
7043 (dw_get_die_tag): New function.
7044 (dw_get_die_child): Likewise.
7045 (dw_get_die_sib): Likewise.
7046 (struct dwarf_file_data): Move from here to dwarf2out.h
7047 (struct dw_attr_struct): Likewise.
7048 * dwarf2out.h: Analogous changes.
7050 2021-06-28 Martin Jambor <mjambor@suse.cz>
7053 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
7054 members m_dead_stmts and m_dead_ssas.
7055 * ipa-param-manipulation.c
7056 (ipa_param_body_adjustments::mark_dead_statements): New function.
7057 (ipa_param_body_adjustments::common_initialization): Call it on
7058 all removed but not split parameters.
7059 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
7061 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
7063 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
7064 dead debug statements.
7065 (copy_phis_for_bb): Do not copy dead PHI nodes.
7067 2021-06-28 Martin Jambor <mjambor@suse.cz>
7070 * symtab-clones.h (clone_info): Removed member param_adjustments.
7071 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
7072 deal with pass-through splits now.
7073 (ipa_param_performed_split): Removed.
7074 (ipa_param_adjustments::modify_call): Adjusted parameters.
7075 (class ipa_param_body_adjustments): Adjusted parameters of
7076 register_replacement, modify_gimple_stmt and modify_call_stmt.
7077 (ipa_verify_edge_has_no_modifications): Declare.
7078 (ipa_edge_modifications_finalize): Declare.
7079 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
7080 performed_splits processing, pas only edge to padjs->modify_call,
7081 check that call arguments were not modified if they should not have
7083 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
7085 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
7086 (ipa_edge_modification_info): Likewise.
7087 (ipa_edge_modification_sum): Likewise.
7088 (ipa_edge_modifications): New edge summary.
7089 (ipa_verify_edge_has_no_modifications): New function.
7090 (transitive_split_p): Removed.
7091 (transitive_split_map): Likewise.
7092 (init_transitive_splits): Likewise.
7093 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
7094 summary instead of performed_splits.
7095 (ipa_param_body_adjustments::register_replacement): Drop dummy
7096 parameter, set base_index of the created ipa_param_body_replacement.
7097 (phi_arg_will_live_p): New function.
7098 (ipa_param_body_adjustments::common_initialization): Do not create
7099 IPA_SRA dummy decls.
7100 (simple_tree_swap_info): Removed.
7101 (remap_split_decl_to_dummy): Likewise.
7102 (record_argument_state_1): New function.
7103 (record_argument_state): Likewise.
7104 (ipa_param_body_adjustments::modify_call_stmt): New parameter
7105 orig_stmt. Do not work with dummy decls, save necessary info about
7106 changes to ipa_edge_modifications.
7107 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
7108 orig_stmt, pass it to modify_call_stmt.
7109 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
7111 (ipa_edge_modifications_finalize): New function.
7112 * tree-inline.c (remap_gimple_stmt): Pass original statement to
7114 (copy_phis_for_bb): Do not copy dead PHI nodes.
7115 (expand_call_inline): Do not remap performed_splits.
7116 (update_clone_info): Likewise.
7117 * toplev.c: Include ipa-param-manipulation.h.
7118 (toplev::finalize): Call ipa_edge_modifications_finalize.
7120 2021-06-28 Andrew Pinski <apinski@marvell.com>
7122 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
7123 info if we're the only things setting the target PHI.
7124 (value_replacement): Don't duplicate range here.
7125 (minmax_replacement): Likewise.
7127 2021-06-28 Richard Biener <rguenther@suse.de>
7129 PR tree-optimization/101229
7130 * gimple-walk.c (gimple_walk_op): Handle PHIs.
7132 2021-06-28 Martin Liska <mliska@suse.cz>
7134 * config/v850/v850.c (construct_dispose_instruction): Allocate
7136 (construct_prepare_instruction): Likewise.
7138 2021-06-28 Martin Liska <mliska@suse.cz>
7140 * config/v850/v850.c (v850_option_override): Build default
7142 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
7143 ignored for inlining.
7144 (TARGET_CAN_INLINE_P): New.
7146 2021-06-28 Richard Biener <rguenther@suse.de>
7148 PR tree-optimization/101207
7149 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
7150 permute eliding for load permutations properly.
7152 2021-06-28 Richard Biener <rguenther@suse.de>
7154 PR tree-optimization/101173
7155 * gimple-loop-interchange.cc
7156 (tree_loop_interchange::valid_data_dependences): Disallow outer
7157 loop dependence distance of zero.
7159 2021-06-28 liuhongt <hongtao.liu@intel.com>
7162 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
7163 define_insn_and_split.
7164 (*avx_cmp<mode>3_ltint): Ditto.
7165 (*avx2_pcmp<mode>3_3): Ditto.
7166 (*avx2_pcmp<mode>3_4): Ditto.
7167 (*avx2_pcmp<mode>3_5): Ditto.
7169 2021-06-28 liuhongt <hongtao.liu@intel.com>
7171 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
7172 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
7173 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
7174 IX86_BUILTIN_PBLENDVB128): Replace icode with
7176 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
7178 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
7179 New pre_reload splitter.
7181 2021-06-27 Andrew Pinski <apinski@marvell.com>
7183 PR middle-end/101230
7184 * fold-const.c (fold_ternary_loc): Check
7185 the return value of invert_tree_comparison.
7187 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
7189 * config.gcc: Add SPDX License Identifier.
7190 (powerpc-ibm-aix789): Default to aix73.h.
7191 (powerpc-ibm-aix7.2.*.*): New stanza.
7192 * config/rs6000/aix72.h: Add SPDX License Identifier.
7193 * config/rs6000/aix73.h: New file.
7195 2021-06-26 Jason Merrill <jason@redhat.com>
7197 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
7199 2021-06-26 Andrew Pinski <apinski@marvell.com>
7201 * genmatch.c (lower_cond): Copy for_subst_vec
7202 for the simplify also.
7203 (lower): Swap the order for lower_for and lower_cond.
7205 2021-06-26 Andrew Pinski <apinski@marvell.com>
7207 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
7208 flow senatitive info on the moved ssa set.
7210 2021-06-26 Andrew Pinski <apinski@marvell.com>
7212 * fold-const.c (fold_cond_expr_with_comparison):
7213 Exand arg0 into comp_code, arg00, and arg01.
7214 (fold_ternary_loc): Use invert_tree_comparison
7215 instead of fold_invert_truthvalue for the case
7216 where we have A CMP B ? C : A.
7218 2021-06-25 Martin Sebor <msebor@redhat.com>
7220 PR middle-end/101216
7221 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
7223 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
7225 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
7227 2021-06-25 Richard Biener <rguenther@suse.de>
7229 PR tree-optimization/101202
7230 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
7233 2021-06-25 Richard Biener <rguenther@suse.de>
7235 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
7236 STMT_VINFO_REDUC_DEF from the original representative.
7238 2021-06-25 Martin Sebor <msebor@redhat.com>
7240 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
7241 gimple_no_warning_p and gimple_set_no_warning with
7242 warning_suppressed_p, and suppress_warning.
7244 (maybe_warn_for_bound): Same.
7245 (warn_for_access): Same.
7246 (check_access): Same.
7247 (expand_builtin_strncmp): Same.
7248 (fold_builtin_varargs): Same.
7249 * calls.c (maybe_warn_nonstring_arg): Same.
7250 (maybe_warn_rdwr_sizes): Same.
7251 * cfgexpand.c (expand_call_stmt): Same.
7252 * cgraphunit.c (check_global_declaration): Same.
7253 * fold-const.c (fold_undefer_overflow_warnings): Same.
7254 (fold_truth_not_expr): Same.
7255 (fold_unary_loc): Same.
7256 (fold_checksum_tree): Same.
7257 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
7258 (array_bounds_checker::check_mem_ref): Same.
7259 (array_bounds_checker::check_addr_expr): Same.
7260 (array_bounds_checker::check_array_bounds): Same.
7261 * gimple-expr.c (copy_var_decl): Same.
7262 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
7263 (gimple_fold_builtin_strncat): Same.
7264 (gimple_fold_builtin_stxcpy_chk): Same.
7265 (gimple_fold_builtin_stpcpy): Same.
7266 (gimple_fold_builtin_sprintf): Same.
7267 (fold_stmt_1): Same.
7268 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
7269 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
7270 * gimple-ssa-sprintf.c (handle_printf_call): Same.
7271 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
7272 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
7273 * gimple-ssa-warn-restrict.h: Adjust declarations.
7274 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
7275 gimple_no_warning_p and gimple_set_no_warning with
7276 warning_suppressed_p, and suppress_warning.
7278 (check_bounds_or_overlap): Same.
7279 * gimple.c (gimple_build_call_from_tree): Same.
7280 * gimplify.c (gimplify_return_expr): Same.
7281 (gimplify_cond_expr): Same.
7282 (gimplify_modify_expr_complex_part): Same.
7283 (gimplify_modify_expr): Same.
7284 (gimple_push_cleanup): Same.
7285 (gimplify_expr): Same.
7286 * omp-expand.c (expand_omp_for_generic): Same.
7287 (expand_omp_taskloop_for_outer): Same.
7288 * omp-low.c (lower_rec_input_clauses): Same.
7289 (lower_lastprivate_clauses): Same.
7290 (lower_send_clauses): Same.
7291 (lower_omp_target): Same.
7292 * tree-cfg.c (pass_warn_function_return::execute): Same.
7293 * tree-complex.c (create_one_component_var): Same.
7294 * tree-inline.c (remap_gimple_op_r): Same.
7295 (copy_tree_body_r): Same.
7296 (declare_return_variable): Same.
7297 (expand_call_inline): Same.
7298 * tree-nested.c (lookup_field_for_decl): Same.
7299 * tree-sra.c (create_access_replacement): Same.
7300 (generate_subtree_copies): Same.
7301 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
7302 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
7303 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
7304 * tree-ssa-loop-im.c (execute_sm): Same.
7305 * tree-ssa-phiopt.c (cond_store_replacement): Same.
7306 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
7307 (handle_builtin_strcpy): Same.
7308 (maybe_diag_stxncpy_trunc): Same.
7309 (handle_builtin_stxncpy_strncat): Same.
7310 (handle_builtin_strcat): Same.
7311 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
7312 (set_no_uninit_warning): Same.
7313 (uninit_undefined_value_p): Same.
7314 (warn_uninit): Same.
7315 (maybe_warn_operand): Same.
7316 * tree-vrp.c (compare_values_warnv): Same.
7317 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
7318 (test_for_singularity): Same.
7319 * gimple.h (warning_suppressed_p): New function.
7320 (suppress_warning): Same.
7321 (copy_no_warning): Same.
7322 (gimple_set_block): Call gimple_set_location.
7323 (gimple_set_location): Call copy_warning.
7325 2021-06-25 Martin Sebor <msebor@redhat.com>
7327 * tree.h (warning_suppressed_at, copy_warning,
7328 warning_suppressed_p, suppress_warning): New functions.
7330 2021-06-25 Martin Sebor <msebor@redhat.com>
7332 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
7333 * gengtype.c (open_base_files): Add diagnostic-spec.h.
7334 * diagnostic-spec.c: New file.
7335 * diagnostic-spec.h: New file.
7336 * tree.h (no_warning, all_warnings, suppress_warning_at): New
7338 * warning-control.cc: New file.
7340 2021-06-25 liuhongt <hongtao.liu@intel.com>
7343 * config/i386/i386.c (x86_order_regs_for_local_alloc):
7346 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
7348 PR tree-optimization/101189
7349 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
7350 LHS range of condition to postfold routine.
7351 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
7352 FALSE edge if the LHS range supports it being taken.
7353 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
7355 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
7357 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
7358 (relation_oracle::find_relation_block): Check correct bitmap.
7359 (relation_oracle::dump): Do not dump NULL blocks.
7361 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
7363 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
7364 range_on_edge instead of manually calculating.
7366 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
7368 * range-op.cc: Fix comment.
7370 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
7373 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
7374 Handle V8QI and V4HI modes.
7375 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
7377 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
7378 (mmxpackmode): New mode attribute.
7379 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
7380 (mmxunpackmode): New mode attribute.
7381 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
7382 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
7383 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
7384 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
7385 * config/i386/i386.md (extsuffix): Move from ...
7386 * config/i386/sse.md: ... here.
7388 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
7390 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
7391 (dwarf2out_finish): ...instead of here.
7393 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
7395 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
7396 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
7397 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
7398 * configure: Regenerate.
7400 2021-06-24 Richard Biener <rguenther@suse.de>
7402 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
7403 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
7404 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
7406 2021-06-24 Richard Biener <rguenther@suse.de>
7408 * config/i386/sse.md (avx_addsubv4df3): Rename to
7410 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
7411 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
7412 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
7413 * config/i386/i386-builtin.def: Adjust.
7414 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
7415 * optabs.def (vec_addsub_optab): New optab.
7416 * tree-vect-slp-patterns.c (class addsub_pattern): New.
7417 (slp_patterns): Add addsub_pattern.
7418 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
7419 across CFN_VEC_ADDSUB.
7420 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
7422 * doc/md.texi (vec_addsub<mode>3): Document.
7424 2021-06-24 Jakub Jelinek <jakub@redhat.com>
7426 PR middle-end/101170
7427 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
7428 where regno + subreg_regno_offset wraps around use 0 as starting
7431 2021-06-24 Jakub Jelinek <jakub@redhat.com>
7433 PR middle-end/101172
7434 * stor-layout.c (finish_bitfield_representative): If nextf has
7435 error_mark_node type, set repr type to error_mark_node too.
7437 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
7439 * config/s390/s390.c (s390_function_profiler): Ignore labelno
7441 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
7443 2021-06-24 Richard Biener <rguenther@suse.de>
7445 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
7446 across operations that have different semantics on different
7449 2021-06-24 Jakub Jelinek <jakub@redhat.com>
7451 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
7452 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
7453 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
7454 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
7455 OMP_TARGET user outer_ctx instead of ctx for placeholders and
7456 initializer/combiner gimplification.
7457 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
7458 on target constructs.
7459 (lower_rec_input_clauses): Likewise.
7460 (lower_omp_target): Likewise.
7461 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
7462 on target if in_reduction is present.
7464 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
7466 * tree-predcom.c (class pcom_worker): New class.
7467 (release_chain): Renamed to...
7468 (pcom_worker::release_chain): ...this.
7469 (release_chains): Renamed to...
7470 (pcom_worker::release_chains): ...this.
7471 (aff_combination_dr_offset): Renamed to...
7472 (pcom_worker::aff_combination_dr_offset): ...this.
7473 (determine_offset): Renamed to...
7474 (pcom_worker::determine_offset): ...this.
7475 (class comp_ptrs): New class.
7476 (split_data_refs_to_components): Renamed to...
7477 (pcom_worker::split_data_refs_to_components): ...this,
7478 and update with class comp_ptrs.
7479 (suitable_component_p): Renamed to...
7480 (pcom_worker::suitable_component_p): ...this.
7481 (filter_suitable_components): Renamed to...
7482 (pcom_worker::filter_suitable_components): ...this.
7483 (valid_initializer_p): Renamed to...
7484 (pcom_worker::valid_initializer_p): ...this.
7485 (find_looparound_phi): Renamed to...
7486 (pcom_worker::find_looparound_phi): ...this.
7487 (add_looparound_copies): Renamed to...
7488 (pcom_worker::add_looparound_copies): ...this.
7489 (determine_roots_comp): Renamed to...
7490 (pcom_worker::determine_roots_comp): ...this.
7491 (determine_roots): Renamed to...
7492 (pcom_worker::determine_roots): ...this.
7493 (single_nonlooparound_use): Renamed to...
7494 (pcom_worker::single_nonlooparound_use): ...this.
7495 (remove_stmt): Renamed to...
7496 (pcom_worker::remove_stmt): ...this.
7497 (execute_pred_commoning_chain): Renamed to...
7498 (pcom_worker::execute_pred_commoning_chain): ...this.
7499 (execute_pred_commoning): Renamed to...
7500 (pcom_worker::execute_pred_commoning): ...this.
7501 (struct epcc_data): New member worker.
7502 (execute_pred_commoning_cbck): Call execute_pred_commoning
7503 with pcom_worker pointer.
7504 (find_use_stmt): Renamed to...
7505 (pcom_worker::find_use_stmt): ...this.
7506 (find_associative_operation_root): Renamed to...
7507 (pcom_worker::find_associative_operation_root): ...this.
7508 (find_common_use_stmt): Renamed to...
7509 (pcom_worker::find_common_use_stmt): ...this.
7510 (combinable_refs_p): Renamed to...
7511 (pcom_worker::combinable_refs_p): ...this.
7512 (reassociate_to_the_same_stmt): Renamed to...
7513 (pcom_worker::reassociate_to_the_same_stmt): ...this.
7514 (stmt_combining_refs): Renamed to...
7515 (pcom_worker::stmt_combining_refs): ...this.
7516 (combine_chains): Renamed to...
7517 (pcom_worker::combine_chains): ...this.
7518 (try_combine_chains): Renamed to...
7519 (pcom_worker::try_combine_chains): ...this.
7520 (prepare_initializers_chain): Renamed to...
7521 (pcom_worker::prepare_initializers_chain): ...this.
7522 (prepare_initializers): Renamed to...
7523 (pcom_worker::prepare_initializers): ...this.
7524 (prepare_finalizers_chain): Renamed to...
7525 (pcom_worker::prepare_finalizers_chain): ...this.
7526 (prepare_finalizers): Renamed to...
7527 (pcom_worker::prepare_finalizers): ...this.
7528 (tree_predictive_commoning_loop): Renamed to...
7529 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
7530 some calls and remove some cleanup code.
7531 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
7532 (static variable looparound_phis): Remove.
7533 (static variable name_expansions): Remove.
7535 2021-06-24 Richard Biener <rguenther@suse.de>
7537 * tree-vect-slp.c (slpg_vertex): New struct.
7538 (vect_slp_build_vertices): Adjust.
7539 (vect_optimize_slp): Likewise. Maintain an outgoing permute
7540 and a materialized one.
7542 2021-06-24 Richard Biener <rguenther@suse.de>
7544 PR tree-optimization/101105
7545 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
7546 Only ignore steps when they are equal or scalar order is preserved.
7548 2021-06-24 liuhongt <hongtao.liu@intel.com>
7551 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
7552 Adjust comments for ix86_expand_vecop_qihi2.
7553 (ix86_expand_vecmul_qihi): Renamed to ..
7554 (ix86_expand_vecop_qihi2): Adjust function prototype to
7555 support shift operation, add static to definition.
7556 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
7557 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
7558 ix86_expand_vec_shift_qihi_constant.
7559 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
7560 (ix86_expand_vec_shift_qihi_constant): Deleted.
7561 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
7563 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
7564 condition TARGET_64BIT.
7565 (mul<mode>3): Ditto.
7566 (<insn><mode>3): Ditto.
7567 (vlshr<mode>3): Extend to support avx512 vlshr.
7568 (v<insn><mode>3): New expander for
7570 (v<insn>v8qi3): Ditto.
7571 (vashrv8hi3<mask_name>): Renamed to ..
7572 (vashr<mode>3): And extend to support V16QImode for avx512.
7573 (vashrv16qi3): Deleted.
7574 (vashrv2di3<mask_name>): Extend expander to support avx512
7577 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
7579 * doc/lto.texi (Design Overview): Update that slim objects are
7582 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
7584 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
7585 of OTHER_POWER10_MASKS so it will not be enabled by default.
7587 2021-06-23 Richard Biener <rguenther@suse.de>
7588 Martin Jambor <mjambor@suse.cz>
7590 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
7591 param replacement unconditionally. Adjust comment.
7593 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7595 * Makefile.in (OBJS): Add gimple-range-fold.o
7596 * gimple-range-fold.cc: New.
7597 * gimple-range-fold.h: New.
7598 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
7599 (gimple_range_calc_op2): Ditto.
7600 * gimple-range-gori.h: Move prototypes to here.
7601 * gimple-range.cc: Adjust include files.
7602 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
7603 (fur_source::get_operand): Ditto.
7604 (fur_source::get_phi_operand): Ditto.
7605 (fur_source::query_relation): Ditto.
7606 (fur_source::register_relation): Ditto.
7607 (class fur_edge): Ditto.
7608 (fur_edge::fur_edge): Ditto.
7609 (fur_edge::get_operand): Ditto.
7610 (fur_edge::get_phi_operand): Ditto.
7611 (fur_stmt::fur_stmt): Ditto.
7612 (fur_stmt::get_operand): Ditto.
7613 (fur_stmt::get_phi_operand): Ditto.
7614 (fur_stmt::query_relation): Ditto.
7615 (class fur_depend): Relocate to gimple-range-fold.h.
7616 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
7617 (fur_depend::register_relation): Ditto.
7618 (fur_depend::register_relation): Ditto.
7619 (class fur_list): Ditto.
7620 (fur_list::fur_list): Ditto.
7621 (fur_list::get_operand): Ditto.
7622 (fur_list::get_phi_operand): Ditto.
7623 (fold_range): Ditto.
7624 (adjust_pointer_diff_expr): Ditto.
7625 (gimple_range_adjustment): Ditto.
7626 (gimple_range_base_of_assignment): Ditto.
7627 (gimple_range_operand1): Ditto.
7628 (gimple_range_operand2): Ditto.
7629 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
7630 (gimple_range_calc_op2): Ditto.
7631 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
7632 (fold_using_range::range_of_range_op): Ditto.
7633 (fold_using_range::range_of_address): Ditto.
7634 (fold_using_range::range_of_phi): Ditto.
7635 (fold_using_range::range_of_call): Ditto.
7636 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
7637 (fold_using_range::range_of_builtin_call): Ditto.
7638 (fold_using_range::range_of_cond_expr): Ditto.
7639 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
7640 (fold_using_range::relation_fold_and_or): Ditto.
7641 (fold_using_range::postfold_gcond_edges): Ditto.
7642 * gimple-range.h: Add gimple-range-fold.h to include files. Change
7643 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
7644 (gimple_range_handler): Relocate to gimple-range-fold.h.
7645 (gimple_range_ssa_p): Ditto.
7646 (range_compatible_p): Ditto.
7647 (class fur_source): Ditto.
7648 (class fur_stmt): Ditto.
7649 (class fold_using_range): Ditto.
7650 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
7651 (gimple_range_calc_op2): Ditto.
7653 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7655 PR tree-optimization/101148
7656 PR tree-optimization/101014
7657 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
7658 (ranger_cache::~ranger_cache): Adjust.
7659 (ranger_cache::block_range): Check if propagation disallowed.
7660 (ranger_cache::propagate_cache): Disallow propagation if new value
7661 can't be stored properly.
7662 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
7664 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7666 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
7667 (sbr_vector::set_bb_range): Return true.
7668 (class sbr_sparse_bitmap): Adjust.
7669 (sbr_sparse_bitmap::set_bb_range): Return value.
7670 (block_range_cache::set_bb_range): Return value.
7671 (ranger_cache::propagate_cache): Use return value to print msg.
7672 * gimple-range-cache.h (class block_range_cache): Adjust.
7674 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
7676 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
7678 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
7680 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
7681 so this pattern can be used for test/compare removal. Pass
7682 current insn to compute_logical_op_length and output_logical_op.
7683 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
7684 (h8300_and_costs): Add argument to compute_logical_op_length.
7685 (output_logical_op): Add new argument. Use it to determine if the
7686 condition codes are used and adjust the output accordingly.
7687 (compute_logical_op_length): Add new argument and update length
7688 computations when condition codes are used.
7689 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
7691 (output_logical_op): Likewise.
7693 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
7696 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
7697 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
7698 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
7699 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
7700 * config/i386/sse.md (unspec): ... here.
7702 2021-06-23 Martin Liska <mliska@suse.cz>
7705 * optc-save-gen.awk: Put back arm_fp16_format to
7708 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
7711 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
7714 (clz<mode>2): Update RTX pattern for additions.
7716 2021-06-23 Jakub Jelinek <jakub@redhat.com>
7718 PR middle-end/101167
7719 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
7720 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
7722 2021-06-22 Sergei Trofimovich <siarheit@google.com>
7724 * doc/rtl.texi: drop unbalanced parenthesis.
7726 2021-06-22 Richard Biener <rguenther@suse.de>
7728 PR middle-end/101156
7729 * gimplify.c (gimplify_expr): Remove premature incorrect
7732 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7734 PR tree-optimization/101159
7735 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
7738 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7740 PR middle-end/101160
7741 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
7742 clear crtl->return_rtx instead of keeping it referencing a pseudo.
7744 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7745 Andrew Pinski <apinski@marvell.com>
7747 PR tree-optimization/101162
7748 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
7751 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7753 * range-op.cc (range_relational_tests): New.
7754 (range_op_tests): Call range_relational_tests.
7756 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7758 * range-op.cc (operator_cast::lhs_op1_relation): New.
7759 (operator_identity::lhs_op1_relation): Mew.
7761 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7763 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
7765 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7767 * range-op.cc (operator_plus::lhs_op1_relation): New.
7768 (operator_plus::lhs_op2_relation): New.
7770 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7772 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
7773 relation_oracle if dominators exist.
7774 (ranger_cache::~ranger_cache): Dispose of oracle.
7775 (ranger_cache::dump_bb): Dump oracle.
7776 * gimple-range.cc (fur_source::fur_source): New.
7777 (fur_source::get_operand): Use mmeber query.
7778 (fur_source::get_phi_operand): Use member_query.
7779 (fur_source::query_relation): New.
7780 (fur_source::register_dependency): Delete.
7781 (fur_source::register_relation): New.
7782 (fur_edge::fur_edge): Adjust.
7783 (fur_edge::get_phi_operand): Fix comment.
7784 (fur_edge::query): Delete.
7785 (fur_stmt::fur_stmt): Adjust.
7786 (fur_stmt::query): Delete.
7787 (fur_depend::fur_depend): Adjust.
7788 (fur_depend::register_relation): New.
7789 (fur_depend::register_relation): New.
7790 (fur_list::fur_list): Adjust.
7791 (fur_list::get_operand): Use member query.
7792 (fold_using_range::range_of_range_op): Process and query relations.
7793 (fold_using_range::range_of_address): Adjust dependency call.
7794 (fold_using_range::range_of_phi): Ditto.
7795 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
7796 (fold_using_range::relation_fold_and_or): New.
7797 (fold_using_range::postfold_gcond_edges): New.
7798 * gimple-range.h (class gimple_ranger): Adjust.
7799 (class fur_source): Adjust members.
7800 (class fur_stmt): Ditto.
7801 (class fold_using_range): Ditto.
7803 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7805 * range-op.cc (range_operator::wi_fold): Apply relation effect.
7806 (range_operator::fold_range): Adjust and apply relation effect.
7807 (*::fold_range): Add relation parameters.
7808 (*::op1_range): Ditto.
7809 (*::op2_range): Ditto.
7810 (range_operator::lhs_op1_relation): New.
7811 (range_operator::lhs_op2_relation): New.
7812 (range_operator::op1_op2_relation): New.
7813 (range_operator::op1_op2_relation_effect): New.
7814 (relop_early_resolve): New.
7815 (operator_equal::op1_op2_relation): New.
7816 (operator_equal::fold_range): Call relop_early_resolve.
7817 (operator_not_equal::op1_op2_relation): New.
7818 (operator_not_equal::fold_range): Call relop_early_resolve.
7819 (operator_lt::op1_op2_relation): New.
7820 (operator_lt::fold_range): Call relop_early_resolve.
7821 (operator_le::op1_op2_relation): New.
7822 (operator_le::fold_range): Call relop_early_resolve.
7823 (operator_gt::op1_op2_relation): New.
7824 (operator_gt::fold_range): Call relop_early_resolve.
7825 (operator_ge::op1_op2_relation): New.
7826 (operator_ge::fold_range): Call relop_early_resolve.
7827 * range-op.h (class range_operator): Adjust parameters and methods.
7829 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
7831 * Makefile.in (OBJS): Add value-relation.o.
7832 * gimple-range.h: Adjust include files.
7833 * tree-data-ref.c: Adjust include file order.
7834 * value-query.cc (range_query::get_value_range): Default to no oracle.
7835 (range_query::query_relation): New.
7836 (range_query::query_relation): New.
7837 * value-query.h (class range_query): Adjust.
7838 * value-relation.cc: New.
7839 * value-relation.h: New.
7841 2021-06-22 Richard Biener <rguenther@suse.de>
7843 PR tree-optimization/101151
7844 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
7847 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
7849 * config/riscv/riscv.c (thead_c906_tune_info): New.
7850 (riscv_tune_info_table): Use new tune.
7852 2021-06-22 Richard Biener <rguenther@suse.de>
7854 PR tree-optimization/101158
7855 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
7856 checking after checking for matching operation.
7858 2021-06-22 Richard Biener <rguenther@suse.de>
7860 PR tree-optimization/101159
7861 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
7862 missing NULL vectype check.
7864 2021-06-22 Richard Biener <rguenther@suse.de>
7866 PR tree-optimization/101154
7867 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
7869 2021-06-22 Jakub Jelinek <jakub@redhat.com>
7872 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
7873 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
7874 * config/i386/i386.c (ix86_expand_prologue): Clear it.
7875 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
7876 Remove "" from match_operand. Emit new insns using emit_move_insn and
7877 set ix86_last_zero_store_uid to INSN_UID of the last store.
7878 Add peephole2s for 1/2/4 stores of const0_rtx following previous
7881 2021-06-22 Martin Liska <mliska@suse.cz>
7883 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
7886 2021-06-22 Martin Liska <mliska@suse.cz>
7888 * gcov-io.h: Remove padding entries.
7890 2021-06-22 liuhongt <hongtao.liu@intel.com>
7892 PR tree-optimization/97770
7893 * tree-vect-patterns.c (vect_recog_popcount_pattern):
7895 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
7897 2021-06-22 liuhongt <hongtao.liu@intel.com>
7900 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
7901 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
7902 (expand<mode>_mask): this ..
7903 (*expand<mode>_mask): New pre_reload splitter to transform
7904 v{,p}expand* to vmov* when mask is zero, all ones, or has all
7905 ones in it's lower part, otherwise still generate
7908 2021-06-22 liuhongt <hongtao.liu@intel.com>
7911 * config/i386/i386-expand.c
7912 (ix86_expand_special_args_builtin): Keep constm1_operand only
7913 if it satisfies insn's operand predicate.
7915 2021-06-21 Jason Merrill <jason@redhat.com>
7918 * df-scan.c (df_ref_record): Check that regno < endregno.
7919 * function.c (assign_parms, expand_function_end): Do nothing with a
7920 TYPE_EMPTY_P result.
7922 2021-06-21 Richard Biener <rguenther@suse.de>
7924 PR tree-optimization/101120
7925 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
7927 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
7928 DR chain DCE capability.
7929 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
7930 * tree-vect-stmts.c (vectorizable_load): Remove unused
7931 loads in the DR chain for SLP.
7933 2021-06-21 Jakub Jelinek <jakub@redhat.com>
7935 PR inline-asm/100785
7936 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
7937 output or input operands were already error_mark_node.
7938 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
7939 remove all inputs, outputs and clobbers from the asm and
7942 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
7944 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
7945 (vceq_s16): Likewise.
7946 (vceq_s32): Likewise.
7947 (vceq_u8): Likewise.
7948 (vceq_u16): Likewise.
7949 (vceq_u32): Likewise.
7950 (vceq_p8): Likewise.
7951 (vceqq_s8): Likewise.
7952 (vceqq_s16): Likewise.
7953 (vceqq_s32): Likewise.
7954 (vceqq_u8): Likewise.
7955 (vceqq_u16): Likewise.
7956 (vceqq_u32): Likewise.
7957 (vceqq_p8): Likewise.
7958 (vceq_f32): Gate __a == __b on __FAST_MATH__.
7959 (vceqq_f32): Likewise.
7960 (vceq_f16): Likewise.
7961 (vceqq_f16): Likewise.
7963 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
7966 * config/arm/iterators.md (NEON_VACMP): Remove.
7967 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
7969 (neon_vca<cmp_op><mode>_insn): Likewise.
7970 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
7973 2021-06-21 Richard Biener <rguenther@suse.de>
7975 PR tree-optimization/101121
7976 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
7977 when we just lack a stmt with the desired op when doing permutation.
7978 (vect_build_slp_tree): When caching a failed SLP build attempt
7979 assert that at least one lane is marked as not matching.
7981 2021-06-21 liuhongt <hongtao.liu@intel.com>
7984 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
7985 register alternative.
7986 (*and<mode>_1): Ditto.
7988 (*andn<mode>_1): Ditto.
7989 (*<code><mode>_1): Ditto.
7990 (*<code>qi_1): Ditto.
7991 (*one_cmpl<mode>2_1): Ditto.
7992 (*one_cmplsi2_1_zext): Ditto.
7993 (*one_cmplqi2_1): Ditto.
7994 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
7995 the order of mask registers to be before general registers.
7997 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
8000 * config/i386/i386.md: New define_peephole2s to shrink writing
8001 1, 2 or 4 consecutive zeros to memory when optimizing for size.
8003 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
8005 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
8006 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
8007 more efficient code when the source can be trivially simplified.
8009 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
8011 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
8012 a range if global is not available.
8013 (ranger_cache::entry_range): Fallback to range_of_def.
8014 * gimple-range-cache.h (range_of_def): Adjust prototype.
8016 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
8018 PR tree-optimization/101014
8019 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
8021 (ranger_cache::~ranger_cache): Ditto.
8022 (ranger_cache::enable_new_values): Delete.
8023 (ranger_cache::push_poor_value): Delete.
8024 (ranger_cache::range_of_def): Remove poor value processing.
8025 (ranger_cache::entry_range): Ditto.
8026 (ranger_cache::fill_block_cache): Ditto.
8027 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
8028 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
8029 * gimple-range.h (class gimple_ranger): Adjust.
8031 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
8034 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
8035 derived from arm_canon_arch.
8036 (arm_canon_arch_option): Call it.
8037 (arm_canon_arch_multilib_option): New function.
8038 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
8039 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
8040 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
8041 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
8042 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
8043 * config/arm/arm.opt (mlibarch): New option.
8044 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
8045 of march on RHS with mlibarch.
8047 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
8049 * config.in: Regenerate.
8050 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
8052 * configure: Regenerate.
8053 * configure.ac: Fix for global_load assembler functions.
8055 2021-06-18 Richard Biener <rguenther@suse.de>
8057 PR tree-optimization/101112
8058 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
8059 to lookup a pattern stmt def.
8061 2021-06-18 Jakub Jelinek <jakub@redhat.com>
8063 PR middle-end/101062
8064 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
8065 representatives in QUAL_UNION_TYPE.
8067 2021-06-18 Andrew Pinski <apinski@marvell.com>
8069 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
8070 Add counting of how many times it is done.
8071 (factor_out_conditional_conversion): Likewise.
8072 (match_simplify_replacement): Likewise.
8073 (value_replacement): Likewise.
8074 (spaceship_replacement): Likewise.
8075 (cond_store_replacement): Likewise.
8076 (cond_if_else_store_replacement_1): Likewise.
8077 (hoist_adjacent_loads): Likewise.
8079 2021-06-18 Andrew Pinski <apinski@marvell.com>
8081 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
8082 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
8083 (verify_gimple_assign_binary): Reject point and offset types on
8084 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
8085 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
8086 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
8088 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
8090 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
8091 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
8092 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
8095 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
8097 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
8098 earlyclobber to alts 0/1.
8099 (gen_addadd): Add earlyclobber to alts 0/1.
8100 * config/rs6000/fusion.md: Regenerate file.
8102 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8104 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
8106 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
8108 * gimple-range-cache.cc: Comment cleanups.
8109 * gimple-range-gori.cc: Comment cleanups.
8110 * gimple-range.cc: Comment/spacing cleanups
8111 * value-range.h: Comment cleanups.
8113 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
8116 * calls.c (expand_call): Replace PUSH_ARGS with
8117 targetm.calls.push_argument (0).
8118 (emit_library_call_value_1): Likewise.
8119 * defaults.h (PUSH_ARGS): Removed.
8120 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
8121 targetm.calls.push_argument (0).
8122 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
8123 (emit_push_insn): Pass the number bytes to push to
8124 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
8125 * hooks.c (hook_bool_uint_true): New.
8126 * hooks.h (hook_bool_uint_true): Likewise.
8127 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
8128 targetm.calls.push_argument (0).
8129 * target.def (push_argument): Add a targetm.calls hook.
8130 * targhooks.c (default_push_argument): New.
8131 * targhooks.h (default_push_argument): Likewise.
8132 * config/bpf/bpf.h (PUSH_ARGS): Removed.
8133 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
8134 * config/cr16/cr16.h (PUSH_ARGS): Removed.
8135 * config/i386/i386.c (ix86_push_argument): New.
8136 (TARGET_PUSH_ARGUMENT): Likewise.
8137 * config/i386/i386.h (PUSH_ARGS): Removed.
8138 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
8139 * config/m32c/m32c.h (PUSH_ARGS): Removed.
8140 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
8141 * config/pru/pru.h (PUSH_ARGS): Likewise.
8142 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
8143 TARGET_PUSH_ARGUMENT hook.
8144 * doc/tm.texi: Regenerated.
8146 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
8149 * config/i386/i386-expand.c (expand_vector_set_var):
8150 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
8151 ix86_expand_vector_init_duplicate.
8152 (ix86_expand_vector_init_duplicate): Emit insv_1 for
8153 QImode for !TARGET_PARTIAL_REG_STALL.
8154 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
8155 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
8156 as operand 2 predicate. Call ix86_expand_vector_set_var
8157 for non-constant index operand.
8158 (vec_setv2si): Ditto.
8159 (vec_setv4hi): Ditto.
8160 (vec_setv8qi): ditto.
8162 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
8164 PR tree-optimization/100790
8165 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
8168 2021-06-17 Martin Liska <mliska@suse.cz>
8170 * doc/invoke.texi: Use consistently -O1 instead of -O.
8172 2021-06-17 Martin Liska <mliska@suse.cz>
8174 * gcov-io.h: Update documentation entry about string format.
8176 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
8179 * config/s390/vecintrin.h (vec_doublee): Fix to use
8180 __builtin_s390_vflls.
8181 (vec_floate): Fix to use __builtin_s390_vflrd.
8183 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8185 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
8186 * dominance.h (get_dominated_to_depth): Likewise.
8187 (get_all_dominated_blocks): Likewise.
8188 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
8189 * gcse.c (hoist_code): Likewise.
8190 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
8191 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
8192 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
8193 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
8195 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8197 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
8198 * dominance.h (get_dominated_by_region): Likewise.
8199 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
8200 (gimple_duplicate_sese_tail): Likewise.
8201 (move_sese_region_to_fn): Likewise.
8203 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8205 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
8206 * dominance.h (get_dominated_by): Likewise.
8207 * auto-profile.c (afdo_find_equiv_class): Adjust.
8208 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
8209 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
8210 * tree-cfg.c (test_linear_chain): Likewise.
8211 (test_diamond): Likewise.
8213 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8215 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
8216 * cfgloopanal.c (get_loop_hot_path): Likewise.
8217 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
8219 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8221 * cgraph.c (cgraph_node::collect_callers): Return
8222 auto_vec<cgraph_edge *>.
8223 * cgraph.h (cgraph_node::collect_callers): Likewise.
8224 * ipa-cp.c (create_specialized_node): Adjust.
8225 (decide_about_value): Likewise.
8226 (decide_whether_version_node): Likewise.
8227 * ipa-sra.c (process_isra_node_results): Likewise.
8229 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
8231 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
8232 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
8234 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
8237 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
8239 * gimple-range.cc (debug_seed_ranger): New.
8241 (debug_ranger): New.
8243 2021-06-17 Richard Biener <rguenther@suse.de>
8245 PR tree-optimization/54400
8246 * tree-vectorizer.h (enum slp_instance_kind): Add
8247 slp_inst_kind_bb_reduc.
8248 (reduction_fn_for_scalar_code): Declare.
8249 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
8250 Check SLP_INSTANCE_KIND instead of looking at the
8252 (vect_slp_analyze_instance_alignment): Likewise.
8253 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
8254 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
8255 chain linearization from vect_build_slp_tree_2 and generalize
8256 for the use of BB reduction vectorization.
8257 (vect_build_slp_tree_2): Adjust accordingly.
8258 (vect_optimize_slp): Elide permutes at the root of BB reduction
8260 (vectorizable_bb_reduc_epilogue): New function.
8261 (vect_slp_prune_covered_roots): Likewise.
8262 (vect_slp_analyze_operations): Use them.
8263 (vect_slp_check_for_constructors): Recognize associatable
8264 chains for BB reduction vectorization.
8265 (vectorize_slp_instance_root_stmt): Generate code for the
8266 BB reduction epilogue.
8268 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
8270 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
8272 (gori_compute::may_recompute_p): New.
8273 (gori_compute::outgoing_edge_range_p): Perform recomputations.
8274 * gimple-range-gori.h (class gori_compute): Add prototype.
8276 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
8278 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
8279 true when a range can be calculated.
8280 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
8282 2021-06-16 Martin Sebor <msebor@redhat.com>
8284 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
8285 Correct documented defaults.
8287 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
8289 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
8290 m_new_value_p directly.
8292 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
8295 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
8296 Handle 64bit modes for TARGET_SSE4_1.
8297 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
8298 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
8299 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
8300 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
8301 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
8302 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
8304 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
8306 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
8307 Change to an expander that emits the correct instruction
8308 depending on endianness.
8309 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
8310 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
8312 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
8314 * config/aarch64/aarch64-simd-builtins.def: Split generator
8315 for aarch64_<su>qmovn builtins into scalar and vector
8317 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
8319 (aarch64_<su>qmovn<mode>_insn_be): Define.
8320 (aarch64_<su>qmovn<mode>): Split into scalar and vector
8321 variants. Change vector variant to an expander that emits the
8322 correct instruction depending on endianness.
8324 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
8326 * config/aarch64/aarch64-simd-builtins.def: Split generator
8327 for aarch64_sqmovun builtins into scalar and vector variants.
8328 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
8329 Split into scalar and vector variants. Change vector variant
8330 to an expander that emits the correct instruction depending
8332 (aarch64_sqmovun<mode>_insn_le): Define.
8333 (aarch64_sqmovun<mode>_insn_be): Define.
8335 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
8337 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
8338 Define - modeling zero-high-half semantics.
8339 (aarch64_xtn<mode>): Change to an expander that emits the
8340 appropriate instruction depending on endianness.
8341 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
8343 (aarch64_xtn2<mode>_le): Rename to...
8344 (aarch64_xtn2<mode>_insn_le): This.
8345 (aarch64_xtn2<mode>_be): Rename to...
8346 (aarch64_xtn2<mode>_insn_be): This.
8347 (vec_pack_trunc_<mode>): Emit truncation instruction instead
8349 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
8352 2021-06-16 Martin Jambor <mjambor@suse.cz>
8354 PR tree-optimization/100453
8355 * tree-sra.c (create_access): Disqualify any const candidates
8356 which are written to.
8357 (sra_modify_expr): Do not store sub-replacements back to a const base.
8358 (handle_unscalarized_data_in_subtree): Likewise.
8359 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
8360 instead of constant_decl_p.
8362 2021-06-16 Jakub Jelinek <jakub@redhat.com>
8364 PR middle-end/101062
8365 * stor-layout.c (finish_bitfield_representative): For fields in unions
8366 assume nextf is always NULL.
8367 (finish_bitfield_layout): Compute bit field representatives also in
8368 unions, but handle it as if each bitfield was the only field in the
8371 2021-06-16 Richard Biener <rguenther@suse.de>
8373 PR tree-optimization/101088
8374 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
8375 supported refs on edges. Do not assert same ref but
8376 different kind stores are unsuported but mark them so.
8377 (hoist_memory_references): Only look for supported refs
8380 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
8382 PR rtl-optimization/46235
8383 * config/i386/i386.md: New define_split for bt followed by cmov.
8384 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
8385 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
8386 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
8387 by setnc with zero extension.
8389 2021-06-16 Richard Biener <rguenther@suse.de>
8391 PR tree-optimization/101083
8392 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
8393 vectype as argument.
8394 (vect_build_slp_tree_2): Adjust.
8396 2021-06-15 Martin Sebor <msebor@redhat.com>
8398 PR middle-end/100876
8399 * builtins.c: (gimple_call_return_array): Account for size_t
8400 mangling as either unsigned int or unsigned long
8402 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
8404 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
8405 up before eliminating comparisons.
8407 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
8409 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
8410 nonzero|X is nonzero.
8411 (range_op_bitwise_and_tests): Add tests for above.
8413 2021-06-15 Carl Love <cel@us.ibm.com>
8416 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
8418 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
8421 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
8424 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
8425 (struct gimplify_omp_ctx): Extend defaultmap array by one.
8426 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
8427 (omp_notice_variable): Update type classification for Fortran.
8428 (gimplify_scan_omp_clauses): Update calls for new argument; handle
8429 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
8430 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
8431 * langhooks.c (lhd_omp_scalar_p): Likewise.
8432 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
8433 (LANG_HOOKS_DECLS): Add them.
8434 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
8435 omp_scalar_p pointer type to include the new bool argument.
8437 2021-06-15 David Malcolm <dmalcolm@redhat.com>
8440 (Special Functions for Debugging the Analyzer): Add
8441 __analyzer_dump_capacity.
8443 2021-06-15 Jakub Jelinek <jakub@redhat.com>
8446 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
8447 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
8449 2021-06-15 Richard Biener <rguenther@suse.de>
8451 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
8452 check to identify loop latches.
8453 * cfgloop.c (verify_loop_structure): Likewise.
8454 * loop-init.c (apply_loop_flags): Allow marked irreducible
8455 regions even with multiple latches.
8456 * predict.c (rebuild_frequencies): Simplify.
8458 2021-06-15 Richard Biener <rguenther@suse.de>
8460 * tree-ssa-threadupdate.c
8461 (jump_thread_path_registry::mark_threaded_blocks): Assert we
8462 have marked irreducible regions.
8464 2021-06-14 Martin Sebor <msebor@redhat.com>
8467 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
8468 Handle calls to placement new.
8469 (ndecl_dealloc_argno): Avoid placement delete.
8471 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
8474 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
8475 create_tmp_reg_or_ssa_name().
8477 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
8479 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
8480 (ranger_cache::enable_new_values): Set to specified value and
8481 return the old value.
8482 (ranger_cache::disable_new_values): Delete.
8483 (ranger_cache::fill_block_cache): Disable non 1st order derived
8485 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
8486 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
8488 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
8491 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
8492 Return true early when testing with V2HImode.
8493 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
8495 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
8497 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
8498 (mve_vec_unpack<US>_hi_<mode>): New pattern.
8499 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
8500 (mve_vmovntq_<supf><mode>): Prefix with '@'.
8501 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
8503 (vec_unpack<US>_lo_<mode>): Likewise.
8504 (vec_pack_trunc_<mode>): Rename to
8505 neon_quad_vec_pack_trunc_<mode>.
8506 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
8508 (vec_unpack<US>_lo_<mode>): New.
8509 (vec_pack_trunc_<mode>): New.
8511 2021-06-14 Richard Biener <rguenther@suse.de>
8513 PR tree-optimization/100934
8514 * tree-ssa-dom.c (pass_dominator::execute): Properly
8515 mark irreducible regions.
8517 2021-06-14 Martin Liska <mliska@suse.cz>
8519 * doc/invoke.texi: Put r{...} on the same line as @item.
8521 2021-06-14 Martin Liska <mliska@suse.cz>
8523 * doc/invoke.texi: Add missing newline.
8525 2021-06-14 Martin Liska <mliska@suse.cz>
8527 * doc/invoke.texi: Remove '+' charasters.
8529 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
8531 * config.gcc (arc): Add support for with_cpu option.
8532 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
8534 2021-06-14 Richard Biener <rguenther@suse.de>
8536 PR tree-optimization/101031
8537 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
8538 instead of size when accounting for a possibly string
8541 2021-06-14 Martin Liska <mliska@suse.cz>
8543 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
8545 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
8547 * value-query.cc (gimple_range_global): Call get_range_global
8548 if called after inlining.
8550 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
8553 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
8554 Emit constant permutation insn directly from here.
8556 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
8558 * attribs.c (find_attribute_namespace): Iterate over vec<> with
8560 * auto-profile.c (afdo_find_equiv_class): Likewise.
8561 * gcc.c (do_specs_vec): Likewise.
8562 (do_spec_1): Likewise.
8563 (driver::set_up_specs): Likewise.
8564 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
8565 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
8566 (imm_store_chain_info::try_coalesce_bswap): Likewise.
8567 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
8568 (get_location_for_stmts): Likewise.
8569 * graphite-poly.c (print_iteration_domains): Likewise.
8570 (free_poly_bb): Likewise.
8571 (remove_gbbs_in_scop): Likewise.
8572 (free_scop): Likewise.
8573 (dump_gbb_cases): Likewise.
8574 (dump_gbb_conditions): Likewise.
8575 (print_pdrs): Likewise.
8576 (print_scop): Likewise.
8577 * ifcvt.c (cond_move_process_if_block): Likewise.
8578 * lower-subreg.c (decompose_multiword_subregs): Likewise.
8579 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
8580 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
8581 * sel-sched-dump.c (dump_insn_vector): Likewise.
8582 * store-motion.c (store_ops_ok): Likewise.
8583 (store_killed_in_insn): Likewise.
8584 * timevar.c (timer::named_items::print): Likewise.
8585 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
8586 (cleanup_tree_cfg_noloop): Likewise.
8587 * tree-data-ref.c (dump_data_references): Likewise.
8588 (print_dir_vectors): Likewise.
8589 (print_dist_vectors): Likewise.
8590 (dump_data_dependence_relations): Likewise.
8591 (dump_dist_dir_vectors): Likewise.
8592 (dump_ddrs): Likewise.
8593 (create_runtime_alias_checks): Likewise.
8594 (free_subscripts): Likewise.
8595 (save_dist_v): Likewise.
8596 (save_dir_v): Likewise.
8597 (invariant_access_functions): Likewise.
8598 (same_access_functions): Likewise.
8599 (access_functions_are_affine_or_constant_p): Likewise.
8600 (find_data_references_in_stmt): Likewise.
8601 (graphite_find_data_references_in_stmt): Likewise.
8602 (free_dependence_relations): Likewise.
8603 (free_data_refs): Likewise.
8604 * tree-inline.c (copy_debug_stmts): Likewise.
8605 * tree-into-ssa.c (dump_currdefs): Likewise.
8606 (rewrite_update_phi_arguments): Likewise.
8607 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
8608 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
8610 (vect_slp_analyze_node_dependences): Likewise.
8611 (vect_slp_analyze_instance_dependence): Likewise.
8612 (vect_record_base_alignments): Likewise.
8613 (vect_get_peeling_costs_all_drs): Likewise.
8614 (vect_peeling_supportable): Likewise.
8615 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
8616 (vec_info::free_stmt_vec_infos): Likewise.
8618 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
8620 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
8621 (andqi3_1<cczn>): Removed.
8622 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
8623 (H8/SX bit logicals): Split out from other patterns.
8624 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
8625 mulqihi3_const_clobber_flags.
8626 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
8628 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
8631 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
8632 to true if red zone is used.
8633 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
8635 * config/i386/i386.h (machine_function): Add red_zone_used.
8636 (ix86_red_zone_size): Removed.
8637 (ix86_red_zone_used): New.
8638 * config/i386/i386.md (peephole2 patterns): Replace
8639 ix86_red_zone_size with ix86_red_zone_used.
8641 2021-06-12 Jason Merrill <jason@redhat.com>
8643 * doc/extend.texi (unused variable attribute): Applies to
8644 structure fields as well.
8646 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
8648 * auto-profile.c (read_profile): fix a typo in an error string
8650 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
8652 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
8654 * tree-pretty-print.c (dump_omp_clauses): Update.
8655 (dump_generic_node) <OMP_CLAUSE>: Use it.
8657 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
8660 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
8661 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
8662 the polymorphic variants matching code.
8663 (__arm_vld1q_z): Likewise.
8664 (__arm_vld2q): Likewise.
8665 (__arm_vld4q): Likewise.
8666 (__arm_vldrbq_gather_offset): Likewise.
8667 (__arm_vldrbq_gather_offset_z): Likewise.
8669 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
8671 PR tree-optimization/96392
8672 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
8674 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
8676 PR tree-optimization/96392
8677 * fold-const.c (fold_real_zero_addition_p): Take both arguments
8678 of the addition or subtraction, not just the zero. Use this
8679 other argument in tests for signaling NaNs and signed zeros.
8680 (tree_expr_maybe_real_minus_zero_p): New predicate.
8681 * fold-const.h (fold_real_zero_addition_p): Update prototype.
8682 (tree_expr_maybe_real_minus_zero_p): New function prototype.
8683 * match.pd: Update calls to fold_real_zero_addition_p.
8684 Replace HONOR_NANS with tree_expr_maybe_nan_p.
8685 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
8686 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
8687 * tree-ssa-reassoc.c (eliminate_using_constants): Update
8688 call to fold_real_zero_addition_p.
8690 2021-06-11 Richard Biener <rguenther@suse.de>
8692 PR tree-optimization/101025
8693 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
8694 all refs that require dependence checking.
8696 2021-06-11 Richard Biener <rguenther@suse.de>
8698 PR tree-optimization/101028
8699 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
8700 reassoc discovery fails fatally, mark appropriate lanes
8703 2021-06-11 Richard Biener <rguenther@suse.de>
8705 PR tree-optimization/101026
8706 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
8707 have a representative for the associated chain nodes.
8709 2021-06-11 Jakub Jelinek <jakub@redhat.com>
8711 PR rtl-optimization/101008
8712 * simplify-rtx.c (relational_result): New function.
8713 (simplify_logical_relational_operation,
8714 simplify_relational_operation): Use it.
8716 2021-06-11 Jakub Jelinek <jakub@redhat.com>
8719 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
8721 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
8724 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
8725 false if the permutation can be implemented with constant
8726 permutation instruction in wider mode.
8727 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
8728 Handle V8QImode and V4HImode.
8730 2021-06-11 Martin Liska <mliska@suse.cz>
8732 PR gcov-profile/100788
8733 * common.opt: Add new option.
8734 * coverage.c (coverage_begin_function): Emit warning instead on
8735 the internal compiler error.
8736 * doc/invoke.texi: Document the option.
8737 * toplev.c (process_options): Enable it by default.
8739 2021-06-11 Richard Biener <rguenther@suse.de>
8741 PR middle-end/101009
8742 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
8743 to set *init_b to true when we encounter a constant equal
8745 (compute_affine_dependence): Also dump the actual DR_REF.
8747 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
8749 PR tree-optimization/100984
8750 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
8752 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
8754 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
8756 * config/rs6000/rs6000.md
8757 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
8758 define_insn_and_split.
8760 2021-06-11 Richard Biener <rguenther@suse.de>
8762 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
8763 to sort operands of the associative chain.
8765 2021-06-11 Richard Biener <rguenther@suse.de>
8767 * system.h (gcc_stablesort_r): Declare.
8768 * sort.cc (gcc_sort_r): Support stable sort.
8769 (gcc_stablesort_r): Define.
8770 * vec.h (vec<>::stablesort): Add.
8772 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
8775 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
8776 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
8777 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
8778 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
8779 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
8780 (expand_vec_perm_interleave2): Handle 64bit modes.
8781 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
8782 (expand_vec_perm_even_odd_1): Ditto.
8783 (ix86_vectorize_vec_perm_const): Ditto.
8784 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
8785 * config/i386/sse.md: ... here.
8786 * config/i386/mmx.md (*vec_interleave_lowv2sf):
8787 New insn_and_split pattern.
8788 (*vec_interleave_highv2sf): Ditto.
8789 (mmx_pshufbv8qi3): New insn pattern.
8790 (*mmx_pblendw): Ditto.
8792 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
8794 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
8795 (build_acc): Likewise.
8796 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
8797 source operands in little-endian mode.
8798 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
8799 (mma_init_builtins): Likewise.
8800 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
8801 ordering for the MMA assemble and build source operands.
8802 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
8804 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
8807 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
8809 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
8811 * config/h8300/extensions.md: Replace _clobber_flags patterns
8814 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
8816 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
8817 (vcond_mask_<mode><tointvec>): this.
8819 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
8820 Thomas Schwinge <thomas@codesourcery.com>
8822 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
8823 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
8824 * gimple.h (enum gf_mask): Split
8825 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
8826 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
8827 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
8828 (is_gimple_omp_oacc): Update.
8829 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
8830 * gimplify.c (gimplify_omp_target_update): Likewise.
8831 * omp-expand.c (expand_omp_target, build_omp_regions_1)
8832 (omp_make_gimple_edges): Likewise.
8833 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
8836 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
8838 * value-query.cc (value_query::value_on_edge): Rename name to
8840 (range_query::range_on_edge): Same.
8841 (range_query::value_of_expr): Same.
8842 (range_query::value_on_edge): Same.
8843 * value-query.h (class value_query): Same.
8844 (class range_query): Same.
8846 2021-06-10 Richard Biener <rguenther@suse.de>
8848 PR tree-optimization/101003
8849 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
8850 use the pattern stmt defs when linearizing a chain.
8852 2021-06-10 Jakub Jelinek <jakub@redhat.com>
8855 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
8856 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
8858 2021-06-10 Clement Chigot <clement.chigot@atos.net>
8860 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
8861 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
8863 2021-06-09 Andrew Pinski <apinski@marvell.com>
8865 PR tree-optimization/100925
8866 * match.pd (a ? CST1 : CST2): Limit transformations
8867 that would produce a negative to integeral types only.
8868 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
8870 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8873 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8875 * doc/tm.texi: Correctly update.
8877 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
8879 * doc/tm.texi: Correctly update.
8881 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
8884 * doc/tm.texi.in (Trampolines): Add a missing blank line.
8886 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
8889 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
8890 and -ftrampolines work only with Ada.
8891 * doc/tm.texi.in (Trampolines): Likewise.
8892 * doc/tm.texi: Regenerated.
8894 2021-06-09 Carl Love <cel@us.ibm.com>
8896 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
8897 Add define for new builtins.
8898 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
8899 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
8900 overloaded builtin definitions.
8901 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
8902 VSIGNEXTSD2Q): Add builtin expansions.
8903 (SIGNEXT): Add P10 overload definition.
8904 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
8905 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
8906 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
8907 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
8908 vsignextend_si_v2di)[VIlong]: Add define_expand.
8909 Make define_insn vsx_sign_extend_si_v2di visible.
8910 * doc/extend.texi: Add documentation for the vec_signexti,
8911 vec_signextll builtins and vec_signextq.
8913 2021-06-09 Carl Love <cel@us.ibm.com>
8915 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
8916 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
8917 __floattikf_sw, __floatuntikf_sw respectively.
8918 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
8919 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
8920 define_insn for mode IEEE 128.
8922 2021-06-09 Carl Love <cel@us.ibm.com>
8924 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
8925 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
8926 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
8927 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
8928 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
8929 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
8930 uses of VSX_TI to VEC_TI.
8932 2021-06-09 Carl Love <cel@us.ibm.com>
8934 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
8936 2021-06-09 Carl Love <cel@us.ibm.com>
8938 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
8940 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
8941 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
8942 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
8943 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
8944 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
8945 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
8946 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
8948 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
8949 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
8950 altivec_vrlqnm): New define_expands.
8951 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
8952 VCMPGTUT_P): Add macro expansions.
8953 (BU_P10V_AV_P): Add builtin predicate definition.
8954 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
8955 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
8956 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
8957 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
8958 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
8959 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
8960 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
8961 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
8962 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
8963 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
8964 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
8965 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
8966 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
8967 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
8968 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
8969 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
8970 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
8971 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
8972 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
8973 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
8974 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
8975 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
8976 P10V_BUILTIN_MODU_V1TI):
8977 New overloaded definitions.
8978 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
8979 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
8980 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
8981 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
8982 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
8983 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
8985 (altivec_init_builtins): New E_V1TImode case statement.
8986 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
8987 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
8988 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
8989 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
8990 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
8991 E_V1TImode]: New case statements.
8992 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
8993 value RS6000_BTI_bool_V1TI.
8994 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
8995 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
8996 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
8997 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
8998 vlshrv1ti3, vashrv1ti3): New define_expands.
8999 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
9000 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
9001 UNSPEC_VSX_MODUQ): New unspecs.
9002 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
9003 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
9005 (vcmpnet): New define_expand.
9006 * doc/extend.texi: Add documentation for the new builtins vec_rl,
9007 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
9008 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
9009 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
9010 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
9011 vec_any_ge, vec_any_le.
9013 2021-06-09 Carl Love <cel@us.ibm.com>
9015 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
9016 bug in argument generation.
9018 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
9020 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
9022 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
9023 remove <supf> iterator.
9024 (mve_vclzq_u<mode>): New.
9025 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
9026 (neon_vclz<mode): Move to ...
9027 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
9028 * config/arm/vec-common.md: ... here. Add support for MVE.
9030 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
9032 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
9033 (@mve_vrhaddq_<supf><mode): Likewise.
9034 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
9035 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
9036 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
9038 2021-06-09 imba-tjd <109224573@qq.com>
9040 * doc/invoke.texi: Fix typo.
9042 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
9045 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
9046 Support evaluation of fmod/fmodf/fmodl at compile-time.
9048 2021-06-09 Richard Biener <rguenther@suse.de>
9050 PR tree-optimization/100981
9051 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
9052 gimple_get_lhs to also handle calls.
9053 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
9056 2021-06-09 Richard Biener <rguenther@suse.de>
9058 PR tree-optimization/97832
9059 * tree-vectorizer.h (_slp_tree::failed): New.
9060 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
9062 (_slp_tree::~_slp_tree): Free failed.
9063 (vect_build_slp_tree): Retain failed nodes and record
9064 matches in them, copying that back out when running
9065 into a cached fail. Dump start and end of discovery.
9067 (vect_build_slp_tree_2): Handle associatable chains
9068 together doing more aggressive operand swapping.
9070 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
9073 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
9075 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
9076 Linux and GNU targets.
9078 2021-06-09 Richard Biener <rguenther@suse.de>
9080 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
9083 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
9085 * config/arc/arc.md (loop_end): Change it to
9086 define_insn_and_split.
9088 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
9090 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
9091 (machi): New pattern.
9092 (umaddhisi4): Use VMAC2HU instruction.
9093 (umachi): New pattern.
9095 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
9097 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
9098 * config/arc/arc.c (arc_split_move_p): New function.
9099 (arc_split_move): Clean up.
9100 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
9101 (movdf_insn): Likewise.
9102 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
9104 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
9107 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
9108 argument to "raw". Do not emit segment overrides when "raw" is true.
9110 2021-06-09 Martin Liska <mliska@suse.cz>
9112 * doc/gcov.texi: Create a proper JSON files.
9113 * doc/invoke.texi: Remove dots in order to make it a valid
9116 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
9118 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
9119 (insn_is_load_p): Use pattern_is_rotate64.
9120 (insn_is_swap_p): Likewise.
9121 (quad_aligned_load_p): Likewise.
9122 (const_load_sequence_p): Likewise.
9123 (replace_swapped_aligned_load): Likewise.
9124 (recombine_lvx_pattern): Likewise.
9125 (recombine_stvx_pattern): Likewise.
9127 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
9129 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
9130 fur_stmt source record.
9131 * gimple-range.cc (fur_source::get_operand): Generic range query.
9132 (fur_source::get_phi_operand): New.
9133 (fur_source::register_dependency): New.
9134 (fur_source::query): New.
9135 (class fur_edge): New. Edge source for operands.
9136 (fur_edge::fur_edge): New.
9137 (fur_edge::get_operand): New.
9138 (fur_edge::get_phi_operand): New.
9139 (fur_edge::query): New.
9140 (fur_stmt::fur_stmt): New.
9141 (fur_stmt::get_operand): New.
9142 (fur_stmt::get_phi_operand): New.
9143 (fur_stmt::query): New.
9144 (class fur_depend): New. Statement source and process dependencies.
9145 (fur_depend::fur_depend): New.
9146 (fur_depend::register_dependency): New.
9147 (class fur_list): New. List source for operands.
9148 (fur_list::fur_list): New.
9149 (fur_list::get_operand): New.
9150 (fur_list::get_phi_operand): New.
9151 (fold_range): New. Instantiate appropriate fur_source class and fold.
9152 (fold_using_range::range_of_range_op): Use new API.
9153 (fold_using_range::range_of_address): Ditto.
9154 (fold_using_range::range_of_phi): Ditto.
9155 (imple_ranger::fold_range_internal): Use fur_depend class.
9156 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
9157 * gimple-range.h (class fur_source): Now a base class.
9158 (class fur_stmt): New.
9159 (fold_range): New prototypes.
9160 (fur_source::fur_source): Delete.
9162 2021-06-08 Andrew Pinski <apinski@marvell.com>
9164 PR tree-optimization/25290
9165 * tree-ssa-phiopt.c (xor_replacement): Delete.
9166 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
9167 (match_simplify_replacement): Allow one cheap preparation
9168 statement that can be moved to before the if.
9170 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
9172 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
9173 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
9175 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
9177 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
9178 Create length attribute on define_insn_and_split. Only split for cases which we
9180 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
9181 fix length computation.
9182 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
9184 2021-06-08 Richard Biener <rguenther@suse.de>
9186 PR tree-optimization/100923
9187 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
9188 the operand vector to be valueized.
9189 (valueize_refs): Likewise.
9190 (valueize_shared_reference_ops_from_ref): Adjust.
9191 (valueize_shared_reference_ops_from_call): Likewise.
9192 (vn_reference_lookup_3): Likewise.
9193 (vn_reference_lookup_pieces): Likewise. Re-valueize
9194 with honoring availability when we are about to create
9195 the ao_ref and valueized before.
9196 (vn_reference_lookup): Likewise.
9197 (vn_reference_insert_pieces): Adjust.
9199 2021-06-08 Richard Biener <rguenther@suse.de>
9201 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
9202 (_slp_instance::root_stmts): ... a vector.
9203 (SLP_INSTANCE_ROOT_STMT): Rename to ...
9204 (SLP_INSTANCE_ROOT_STMTS): ... this.
9205 (slp_root::root): Change to...
9206 (slp_root::roots): ... a vector.
9207 (slp_root::slp_root): Adjust.
9208 * tree-vect-slp.c (_slp_instance::location): Adjust.
9209 (vect_free_slp_instance): Release the root stmt vector.
9210 (vect_build_slp_instance): Adjust.
9211 (vect_analyze_slp): Likewise.
9212 (_bb_vec_info::~_bb_vec_info): Likewise.
9213 (vect_slp_analyze_operations): Likewise.
9214 (vect_bb_vectorization_profitable_p): Likewise. Adjust
9215 costs for the root stmt.
9216 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
9218 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
9220 (vectorize_slp_instance_root_stmt): Adjust.
9221 (vect_schedule_slp): Likewise.
9223 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
9225 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
9226 (ssa_equiv_stack::ssa_equiv_stack): New.
9227 (ssa_equiv_stack::~ssa_equiv_stack): New.
9228 (ssa_equiv_stack::enter): New.
9229 (ssa_equiv_stack::leave): New.
9230 (ssa_equiv_stack::push_replacement): New.
9231 (ssa_equiv_stack::get_replacement): New.
9232 (is_pointer_ssa): New.
9233 (class pointer_equiv_analyzer): New.
9234 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
9235 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
9236 (pointer_equiv_analyzer::set_global_equiv): New.
9237 (pointer_equiv_analyzer::set_cond_equiv): New.
9238 (pointer_equiv_analyzer::get_equiv): New.
9239 (pointer_equiv_analyzer::enter): New.
9240 (pointer_equiv_analyzer::leave): New.
9241 (pointer_equiv_analyzer::get_equiv_expr): New.
9242 (pta_valueize): New.
9243 (pointer_equiv_analyzer::visit_stmt): New.
9244 (pointer_equiv_analyzer::visit_edge): New.
9245 (hybrid_folder::value_of_expr): Call PTA.
9246 (hybrid_folder::value_on_edge): Same.
9247 (hybrid_folder::pre_fold_bb): New.
9248 (hybrid_folder::post_fold_bb): New.
9249 (hybrid_folder::pre_fold_stmt): New.
9250 (rvrp_folder::pre_fold_bb): New.
9251 (rvrp_folder::post_fold_bb): New.
9252 (rvrp_folder::pre_fold_stmt): New.
9253 (rvrp_folder::value_of_expr): Call PTA.
9254 (rvrp_folder::value_on_edge): Same.
9256 2021-06-08 Jakub Jelinek <jakub@redhat.com>
9259 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
9260 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
9262 2021-06-08 Richard Biener <rguenther@suse.de>
9264 PR middle-end/100951
9265 * tree-vect-generic.c (expand_vector_piecewise): Build a
9266 VECTOR_CST if all elements are constant.
9267 (expand_vector_condition): Likewise.
9268 (lower_vec_perm): Likewise.
9269 (expand_vector_conversion): Likewise.
9271 2021-06-08 Martin Liska <mliska@suse.cz>
9273 * doc/invoke.texi: Document new param evrp-sparse-threshold.
9275 2021-06-08 Martin Liska <mliska@suse.cz>
9277 * genautomata.c (create_automata): Fix typo.
9279 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
9281 PR tree-optimization/100794
9282 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
9283 allow_unroll_p and only allow unrolling when it's true.
9284 (tree_predictive_commoning): Add parameter allow_unroll_p and
9286 (run_tree_predictive_commoning): Likewise.
9287 (pass_predcom::gate): Check flag_tree_loop_vectorize and
9288 global_options_set.x_flag_predictive_commoning.
9289 (pass_predcom::execute): Adjust for allow_unroll_p.
9291 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
9293 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
9294 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
9295 lambda function cleanup, remove scev_reset call, and adjust return
9297 (tree_predictive_commoning): Adjust for different changed values,
9298 only set flag TODO_update_ssa_only_virtuals if changed.
9299 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
9300 from todo_flags_finish.
9302 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
9304 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
9305 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
9306 (sbr_sparse_bitmap::bitmap_set_quad): New.
9307 (sbr_sparse_bitmap::bitmap_get_quad): New.
9308 (sbr_sparse_bitmap::set_bb_range): New.
9309 (sbr_sparse_bitmap::get_bb_range): New.
9310 (sbr_sparse_bitmap::bb_range_p): New.
9311 (block_range_cache::block_range_cache): initialize bitmap obstack.
9312 (block_range_cache::~block_range_cache): Destruct obstack.
9313 (block_range_cache::set_bb_range): Decide when to utilze the
9314 sparse on entry cache.
9315 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
9316 * params.opt (-param=evrp-sparse-threshold): New.
9318 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
9320 * bitmap.c (bitmap_set_aligned_chunk): New.
9321 (bitmap_get_aligned_chunk): New.
9322 (test_aligned_chunk): New.
9323 (bitmap_c_tests): Call test_aligned_chunk.
9324 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
9326 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
9329 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
9331 (ix86_expand_vector_init_one_nonzero): Ditto.
9332 (ix86_expand_vector_init_one_var): Ditto.
9333 (ix86_expand_vector_init_general): Ditto.
9334 * config/i386/mmx.md (vec_initv4qiqi): New expander.
9336 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
9338 * config/h8300/movepush.md: Change most _clobber_flags
9339 patterns to instead use <cczn> subst.
9340 (movsi_cczn): New pattern with usable CC cases split out.
9341 (movsi_h8sx_cczn): Likewise.
9343 2021-06-07 Martin Liska <mliska@suse.cz>
9345 * common/common-target.def: Split long lines and replace them
9347 * target.def: Likewise.
9348 * doc/tm.texi: Re-generated.
9350 2021-06-07 Jakub Jelinek <jakub@redhat.com>
9353 * fold-const.c (fold_read_from_vector): Return NULL if trying to
9354 read from a CONSTRUCTOR with vector type elements.
9356 2021-06-07 Jakub Jelinek <jakub@redhat.com>
9358 PR middle-end/100898
9359 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
9360 should copy any arguments. Don't call gimple_call_num_args
9361 on id->call_stmt or call_stmt more than once.
9363 2021-06-07 liuhongt <hongtao.liu@intel.com>
9366 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
9368 (<insn>v4siv4di2): Delete constraints for define_expand.
9370 2021-06-07 liuhongt <hongtao.liu@intel.com>
9373 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
9374 assignment of cfun->machine->has_explicit_vzeroupper.
9375 * config/i386/i386-features.c
9376 (ix86_add_reg_usage_to_vzerouppers): Delete.
9377 (ix86_add_reg_usage_to_vzeroupper): Ditto.
9378 (rest_of_handle_insert_vzeroupper): Remove
9379 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
9381 (gate): Remove cfun->machine->has_explicit_vzeroupper.
9382 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
9384 * config/i386/i386.c (ix86_insn_callee_abi): New function.
9385 (ix86_initialize_callee_abi): Ditto.
9386 (ix86_expand_avx_vzeroupper): Ditto.
9387 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
9389 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
9390 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
9392 * config/i386/i386.h (struct GTY(()) machine_function): Delete
9393 has_explicit_vzeroupper.
9394 * config/i386/i386.md (enum unspec): New member
9396 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
9397 define_constants for insn callee abi index.
9398 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
9399 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
9400 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
9401 (*avx_vzeroupper): Rename to ..
9402 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
9403 call_insn which has a special vzeroupper ABI.
9404 (*avx_vzeroupper_1): Deleted.
9406 2021-06-07 liuhongt <hongtao.liu@intel.com>
9409 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
9410 it won't use stack pointer reg.
9411 * final.c (leaf_function_p): When call_insn is a fake call, it
9412 won't affect caller as a leaf function.
9413 * reg-stack.c (callee_clobbers_any_stack_reg): New.
9414 (subst_stack_regs): When call_insn doesn't clobber any stack
9415 reg, don't clear the arguments.
9416 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
9418 * shrink-wrap.c (requires_stack_frame_p): No need for stack
9419 frame for a fake call.
9420 * rtl.h (FAKE_CALL_P): New macro.
9422 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
9424 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
9426 (sparc_order_regs_for_local_alloc): ...this.
9427 (sparc_leaf_reg_remap): Declare.
9428 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
9429 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
9430 * config/sparc/sparc.c (leaf_reg_remap): Delete.
9431 (order_regs_for_local_alloc): Rename to...
9432 (sparc_order_regs_for_local_alloc): ...this.
9433 (sparc_leaf_reg_remap): New function.
9434 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
9436 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
9438 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
9439 Use assemble_name to output BSS section name.
9441 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
9443 * config/i386/constraints.md (Bs):
9444 Remove boolean operators from match_test RTX.
9447 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
9450 2021-06-06 Martin Liska <mliska@suse.cz>
9452 * doc/extend.texi: Add missing @headitem.
9453 * doc/invoke.texi: Likewise.
9454 * doc/objc.texi: Likewise.
9456 2021-06-06 Martin Liska <mliska@suse.cz>
9458 * genhooks.c (emit_findices): Remove unused function.
9459 (emit_documentation): Do not call emit_findices
9460 and do not search for @Fcode directives.
9462 2021-06-06 Martin Liska <mliska@suse.cz>
9464 * doc/invoke.texi: Remove extra character.
9466 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9468 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
9470 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9472 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
9473 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
9474 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
9475 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
9477 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9479 * config/or1k/or1k.md (*movdi): Fix empty split condition.
9481 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9483 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
9486 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
9488 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
9489 *zero_extendsidi2): Fix empty split condition.
9491 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
9493 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
9495 * config/h8300/bitfield.md: Likewise.
9496 * config/h8300/combiner.md: Likewise.
9497 * config/h8300/divmod.md: Likewise.
9498 * config/h8300/extensions.md: Likewise.
9499 * config/h8300/jumpcall.md: Likewise.
9500 * config/h8300/movepush.md: Likewise.
9501 * config/h8300/multiply.md: Likewise.
9502 * config/h8300/other.md: Likewise.
9503 * config/h8300/shiftrotate.md: Likewise.
9504 * config/h8300/logical.md: Likewise. Fix split pattern to use
9505 code iterator that somehow slipped through.
9507 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
9509 PR middle-end/100905
9510 * tree-nested.c (convert_nonlocal_omp_clauses,
9511 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
9513 2021-06-04 Martin Sebor <msebor@redhat.com>
9515 PR middle-end/100732
9516 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
9517 with either source or destination argument of invalid type.
9518 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
9519 calls with arguments of invalid type.
9521 2021-06-04 Martin Sebor <msebor@redhat.com>
9523 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
9525 (attr_access::vla_bounds): Also handle VLA bounds.
9527 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
9529 * config/i386/predicates.md (GOT_memory_operand):
9530 Implement using match_code RTXes.
9531 (GOT32_symbol_operand): Ditto.
9533 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
9536 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
9538 (ix86_expand_vector_init_general): Ditto.
9539 Use SImode instead of word_mode for logic operations
9540 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
9541 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
9542 implemented by expand_vec_perm_1.
9543 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
9544 should be implemented using standard shuffle patterns.
9545 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
9546 V2HI modes to modes, implementable with shuffle for one operand.
9547 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
9548 (*pshufw_1): New insn pattern.
9549 (*vec_dupv2hi): Ditto.
9550 (vec_initv2hihi): New expander.
9552 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
9554 * config/arm/vfp.md (no_literal_pool_df_immediate,
9555 no_literal_pool_sf_immediate): Fix empty split condition.
9557 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
9559 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
9560 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
9561 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
9562 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
9563 *<sse4_1_avx2>_pblendvb_lt): Likewise.
9565 2021-06-04 Jakub Jelinek <jakub@redhat.com>
9568 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
9569 concatenation from half-sized modes with TImode elements.
9571 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
9573 * config/arc/arc.c (arc_override_options): Disable millicode
9574 thunks when RF16 is on.
9576 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
9578 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
9580 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
9582 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
9583 Replace PROMOTE_MODE marco with its content.
9585 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
9587 * config/cris/cris.md (*addi_reload): Fix empty split condition.
9589 2021-06-03 Jim Wilson <jimw@sifive.com>
9591 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
9592 turn it on for all riscv targets.
9594 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
9597 * config/i386/i386-expand.c (ix86_expand_vector_set):
9598 Handle V2HI and V4QI modes.
9599 (ix86_expand_vector_extract): Ditto.
9600 * config/i386/mmx.md (*pinsrw): New insn pattern.
9603 (*pextrw_zext): Ditto.
9605 (*pextrb_zext): Ditto.
9606 (vec_setv2hi): New expander.
9607 (vec_extractv2hihi): Ditto.
9608 (vec_setv4qi): Ditto.
9609 (vec_extractv4qiqi): Ditto.
9610 (vec_setv8qi): Enable only for TARGET_SSE4_1.
9611 (vec_extractv8qiqi): Ditto.
9613 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
9615 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
9616 order to subf instruction.
9617 * config/rs6000/fusion.md: Regenerate.
9619 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9621 * calls.c (get_size_range): Use range_of_expr instead of
9622 determine_value_range.
9623 * tree-affine.c (expr_to_aff_combination): Same.
9624 * tree-data-ref.c (split_constant_offset): Same.
9625 * tree-vrp.c (determine_value_range_1): Remove.
9626 (determine_value_range): Remove.
9627 * tree-vrp.h (determine_value_range): Remove.
9629 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9631 * function-tests.c (test_ranges): Call gimple_range_tests.
9632 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
9634 * gimple-range.cc (fur_source::get_operand): Do not call
9635 get_tree_range or gimple_range_global.
9637 (get_tree_range): Move to value-query.cc.
9638 Call get_arith_expr_range.
9639 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
9640 Include gimple-range-tests.cc.
9641 * gimple-range.h (fold_range): Add argument.
9642 (get_tree_range): Remove.
9643 * selftest.h (gimple_range_tests): New.
9644 * value-query.cc (global_range_query::range_of_expr): Add
9646 (range_query::get_tree_range): Move from gimple-range.cc.
9647 * value-query.h (class range_query): Add get_tree_range and
9648 get_arith_expr_range. Make fur_source a friend.
9649 * vr-values.c (vr_values::range_of_expr): Pass stmt to
9651 * gimple-range-tests.cc: New file.
9653 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
9655 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
9656 update_global_range.
9657 * value-query.cc (update_global_range): New.
9658 * value-query.h (update_global_range): New.
9660 2021-06-03 David Malcolm <dmalcolm@redhat.com>
9662 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
9663 printing the same location twice if there are fix-it hints,
9664 multiple locations, or a label.
9666 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
9668 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
9669 thresholds to narrow the upper bound on epilogue iterations.
9671 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
9673 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
9674 (mve_vabsq_s<mode>): Likewise.
9675 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
9676 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
9677 * config/arm/vec-common.md (neg<mode>2): Rename to
9678 <absneg_str><mode>2.
9680 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
9682 * common/config/arc/arc-common.c (arc_option_optimization_table):
9684 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
9685 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
9686 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
9687 * config/arc/arc.md (abssi2_mixed): Remove pattern.
9688 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
9689 (malign-call): Likewise.
9690 (mmixed-code): Likewise.
9691 * doc/invoke.texi (ARC): Update doc.
9693 2021-06-03 Martin Liska <mliska@suse.cz>
9695 * common.opt: Use proper Enum values.
9696 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
9697 (parse_sanitizer_options): Handle only sanitizer_opts.
9698 (common_handle_option): Just assign value.
9700 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9703 * tree-inline.c (inline_forbidden_p): Remove test on return type.
9705 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9707 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
9708 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
9709 (type_byte_size): Inline into...
9710 (add_byte_size_attribute): ...this and call add_scalar_info.
9712 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9714 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
9715 (typed_binop_from_tree): New function.
9716 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
9717 turn a divide by a power of 2 into a shift.
9718 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
9719 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
9720 typed divide by calling typed_binop_from_tree.
9722 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
9724 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
9725 (is_handled_procedure_type): Likewise.
9726 (struct loc_descr_context): Add strict_signedness field.
9727 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
9728 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
9729 (resolve_args_picking): Minor tweak.
9730 (function_to_dwarf_procedure): Initialize strict_signedness field.
9731 (type_byte_size): Likewise.
9732 (field_byte_offset): Likewise.
9733 (gen_descr_array_type_die): Likewise.
9734 (gen_variant_part): Likewise.
9735 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
9736 to true when a context is present before evaluating the arguments.
9737 <COND_EXPR>: Do not generate a useless comparison with zero.
9738 When dereferencing an address, if strict_signedness is true and the
9739 type is small and signed, use DW_OP_deref_type to do the dereference
9740 and then DW_OP_convert to convert back to the generic type.
9742 2021-06-03 Jakub Jelinek <jakub@redhat.com>
9745 * tree-inline.c (copy_tree_body_r): Handle iterators on
9746 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
9748 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
9750 * config/arc/arc.md (*bbit_di): Remove.
9752 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
9754 PR rtl-optimization/100264
9755 * ree.c (get_sub_rtx): Ignore SET expressions without register
9756 destinations and remove assertion, as it is not valid anymore
9757 with this new behaviour.
9758 (merge_def_and_ext): Eliminate destination check for register
9759 as such SET expressions can't occur anymore.
9760 (combine_reaching_defs): Likewise.
9762 2021-06-02 Jakub Jelinek <jakub@redhat.com>
9765 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
9766 -Wtype-limits warnings.
9767 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
9768 in operands to avoid -Wsign-compare warnings.
9770 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
9772 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
9775 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
9777 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
9779 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
9781 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
9783 * config/s390/subst.md(cconly_subst): Use a single constraint
9786 2021-06-02 Martin Liska <mliska@suse.cz>
9788 * ipa-icf.h: Use auto_vec for memory_access_types.
9790 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
9792 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
9793 argument from prototype.
9794 (output_logical_op): Add rtx_code argument.
9795 (compute_logical_op_length): Likewise.
9796 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
9797 to compute_a_shift_length.
9798 (output_logical_op); New argument with the rtx code rather than
9799 extracting it from an operand. Handle QImode too.
9800 (compute_logical_op_length): Similary.
9801 (compute_a_shift_length): Drop unused argument.
9802 * config/h8300/h8300.md (logicals): New code iterator.
9803 * config/h8300/logical.md (<code><mode>3 expander): Combine
9804 the "and" expander with the "ior"/"xor" expander.
9805 (bclr<mode>msx): Combine the QI/HI mode patterns.
9806 (<logical><mode>3 insns): Use code iterator rather than match_operator.
9807 Handle QImode as well. Update call to output_logical_op and
9808 compute_logical_op_length to pass in rtx_code
9809 Fix split condition on all define_insn_and_split patterns.
9810 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
9811 the flags and setting ZN via existing define_subst.
9812 * config/h8300/shiftrotate.md: Drop unused argument from
9813 calls to compute_a_shift_length.
9814 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
9816 2021-06-01 Andrew Pinski <apinski@marvell.com>
9818 PR tree-optimization/25290
9819 * tree-ssa-phiopt.c (match_simplify_replacement):
9821 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
9822 (two_value_replacement): Change the comment about
9823 conditional_replacement.
9824 (conditional_replacement): Delete.
9826 2021-06-01 Andrew Pinski <apinski@marvell.com>
9828 PR tree-optimization/95481
9829 * tree-tailcall.c (find_tail_calls): Handle empty typed
9832 2021-06-01 Andrew Pinski <apinski@marvell.com>
9834 * gimplify.c (zero_sized_field_decl): Delete
9835 (zero_sized_type): Delete
9836 (gimplify_init_ctor_eval): Use is_empty_type instead
9837 of zero_sized_field_decl.
9838 (gimplify_modify_expr): Use is_empty_type instead of
9841 2021-06-01 Jason Merrill <jason@redhat.com>
9844 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
9846 2021-06-01 Jason Merrill <jason@redhat.com>
9849 * diagnostic.h (warning_enabled_at): Declare.
9850 * diagnostic.c (diagnostic_enabled): Factor out from...
9851 (diagnostic_report_diagnostic): ...here.
9852 (warning_enabled_at): New.
9854 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
9856 * gimple-ssa-evrp.c: Enable exporting of global ranges.
9858 2021-06-01 Martin Liska <mliska@suse.cz>
9861 * doc/invoke.texi: Mention that -fgcse-after-reload
9862 is enabled with -O3.
9864 2021-06-01 liuhongt <hongtao.liu@intel.com>
9866 PR tree-optimization/98365
9867 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
9868 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
9869 (convert_scalar_cond_reduction): Ditto.
9870 (predicate_scalar_phi): Ditto.
9872 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9874 PR tree-optimization/100781
9875 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
9876 value calculation by default.
9877 (ranger_cache::enable_new_values): New.
9878 (ranger_cache::disable_new_values): New.
9879 (ranger_cache::push_poor_value): Check if new values are allowed.
9880 * gimple-range-cache.h (class ranger_cache): New member/methods.
9881 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
9882 statement, and disable/renable new value calculation.
9884 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9886 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
9887 (ranger_cache::range_of_def): New.
9888 (ranger_cache::entry_range): New.
9889 (ranger_cache::exit_range): New.
9890 (ranger_cache::range_of_expr): Adjust.
9891 (ranger_cache::range_on_edge): Adjust.
9892 (ranger_cache::propagate_cache): Call exit_range directly.
9893 * gimple-range-cache.h (class ranger_cache): Adjust.
9895 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9897 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
9898 gori_compute being a member rather than base class.
9899 dervied call to member call.
9900 (ranger_cache::dump): No longer dump gori_map.
9901 (ranger_cache::dump_bb): New.
9902 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
9903 being a member rather than base class.
9904 (ranger_cache::set_global_range): Ditto.
9905 (ranger_cache::ssa_range_in_bb): Ditto.
9906 (ranger_cache::range_of_expr): New.
9907 (ranger_cache::range_on_edge): New.
9908 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
9909 (ranger_cache::propagate_cache): Adjust debugging output.
9910 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
9912 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
9913 member, and inherit from range_query instead.
9914 (ranger_cache::dump_bb): New. split from dump.
9915 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
9916 (gori_compute::expr_range_at_stmt): Delete.
9917 (gori_compute::compute_name_range_op): Delete.
9918 (gori_compute::compute_operand_range_switch): Add fur_source.
9919 (gori_compute::compute_operand_range): Add fur_source param, inline
9920 old compute_name_range_op and optimize_logical_operands.
9921 (struct tf_range): Delete.
9922 (gori_compute::logical_combine): Adjust
9923 (gori_compute::optimize_logical_operands): Delete.
9924 (gori_compute::compute_logical_operands_in_chain): Delete.
9925 (gori_compute::compute_logical_operands): Adjust.
9926 (gori_compute::compute_operand1_range): Adjust to fur_source.
9927 (gori_compute::compute_operand2_range): Ditto.
9928 (gori_compute::compute_operand1_and_operand2_range): Ditto.
9929 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
9930 and adjust to fur_source.
9931 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
9932 range_query and fur_source.
9933 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
9934 from the ranger_cache..
9935 (gimple_ranger::fold_range_internal): Adjust to base class change of
9937 (gimple_ranger::dump_bb): Adjust dump.
9938 * gimple-range.h (gimple_ranger):export gori computes object.
9940 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
9942 PR tree-optimization/100774
9943 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
9944 Constant values are also not stale.
9945 (ranger_cache::set_global_range): Range invariant values should also
9946 have the correct timestamp.
9948 2021-05-31 Martin Liska <mliska@suse.cz>
9950 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
9951 Unpack FUNCTION_DECL_DECL_TYPE.
9952 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
9953 Stream FUNCTION_DECL_DECL_TYPE instead of
9954 DECL_IS_OPERATOR_NEW_P.
9955 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
9957 (DECL_IS_OPERATOR_NEW_P): Likewise.
9958 (DECL_IS_OPERATOR_DELETE_P): Likewise.
9959 (DECL_LAMBDA_FUNCTION_P): Likewise.
9961 2021-05-31 Richard Biener <rguenther@suse.de>
9964 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
9965 * internal-fn.def (SHUFFLEVECTOR): New.
9966 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
9967 * doc/extend.texi: Document __builtin_shufflevector.
9969 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
9972 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
9973 indexed form addresses.
9975 2021-05-29 Jeff Law <jlaw@tachyum.com>
9977 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
9978 parameter. Call callers fixed.
9980 (output_plussi): Add FALLTHRU markers.
9981 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
9983 2021-05-29 Jakub Jelinek <jakub@redhat.com>
9986 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
9987 combined with parallel, make sure to add shared clause to
9988 parallel for explicit linear clause.
9990 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
9992 PR tree-optimization/100787
9993 * gimple-ssa-evrp.c: Disable exporting of global ranges.
9995 2021-05-28 Jason Merrill <jason@redhat.com>
9997 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
9998 operator--, operator*, operator==, and operator!=.
9999 (class tsi_range): New.
10001 2021-05-28 Richard Biener <rguenther@suse.de>
10003 PR tree-optimization/100778
10004 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
10005 trapping ops in different BBs.
10007 2021-05-28 Richard Biener <rguenther@suse.de>
10010 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
10011 copy fntype from original call.
10013 2021-05-28 Martin Liska <mliska@suse.cz>
10015 PR gcov-profile/100751
10016 * doc/gcov.texi: Revert partially a hunk that was wrong.
10018 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
10020 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
10022 (HAVE_sync_compare_and_swaphi): Likewise.
10023 (HAVE_sync_compare_and_swapsi): Likewise.
10025 2021-05-28 Jakub Jelinek <jakub@redhat.com>
10027 PR middle-end/99928
10028 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
10030 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
10032 * gimplify.c (gimplify_omp_affinity): New.
10033 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
10034 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
10035 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
10036 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
10037 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
10039 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
10040 Richard Biener <rguenther@suse.de>
10042 * match.pd <popcount & / + pattern matching>:
10043 When generating popcount directly fails, try doing it in two halves.
10045 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
10047 * Makefile.in (generated_files): Add gimple-match.c and
10050 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
10052 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
10054 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
10056 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
10058 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
10060 PR tree-optimization/99398
10061 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
10062 where the fed operands are CTOR/CST and propagated through
10063 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
10064 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
10066 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
10069 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
10071 * config/i386/mmx.md (addv2sf3): Do not call
10072 ix86_fixup_binary_operands_no_copy.
10075 (<smaxmin:code>v2sf3): Ditto.
10076 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
10077 (<plusminus:insn><VI_32:mode>3): Remove expander.
10078 (<plusminus:insn><VI_32:mode>3): Rename from
10079 "*<plusminus:insn><VI_32:mode>3".
10080 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
10081 (mulv2hi3): Remove expander.
10082 (mulv2hi3): Rename from *mulv2hi3.
10083 (<s>mulv2hi3_highpart): Remove expander.
10084 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
10085 (<smaxmin:code><MMXMODE14:mode>3): Rename from
10086 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
10087 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
10088 (SMAXMIN_MMXMODEI): Remove mode iterator.
10089 (<smaxmin:code>v4hi3): New expander.
10090 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
10091 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
10092 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
10093 (SMAXMIN_VI_32): Remove mode iterator.
10094 (<umaxmin:code><MMXMODE24:mode>3): Rename from
10095 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
10096 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
10097 (UMAXMIN_MMXMODEI): Remove mode iterator.
10098 (<umaxmin:code>v8qi3): New expander.
10099 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
10100 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
10101 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
10102 (UMAXMIN_VI_32): Remove mode iterator.
10103 (<any_shift:insn>v2hi3): Remove expander.
10104 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
10105 (<any_logic:code><MMXMODEI:mode>3): Do not call
10106 ix86_fixup_binary_operands_no_copy.
10107 (<any_logic:code><VI_32:mode>3): Remove expander.
10108 (<any_logic:code><VI_32:mode>3): Rename from
10109 "*<any_logic:code><VI_32:mode>3".
10110 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
10111 * config/i386/sse.md (div<VF2:mode>3): Do not call
10112 ix86_fixup_binary_operands_no_copy.
10113 (div<VF1:mode>3): Ditto.
10114 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
10115 (smulhrsv4hi3): Ditto.
10116 (smulhrsv2hi3): Ditto.
10118 2021-05-27 Martin Sebor <msebor@redhat.com>
10120 * ggc.h (gt_ggc_mx): Add overloads for all integers.
10122 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
10124 (hash_map::operator==): New function.
10126 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
10129 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
10130 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
10131 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
10132 (*xop_maskcmp<VI_32:mode>3): Ditto.
10133 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
10134 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
10136 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
10139 * config/arm/arm.c (arm_configure_build_target): Remove parameter
10140 opts_set, directly check opts parameters for being non-null.
10141 (arm_option_restore): Update call to arm_configure_build_target.
10142 (arm_option_override): Likewise.
10143 (arm_can_inline_p): Likewise.
10144 (arm_valid_target_attribute_tree): Likewise.
10145 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
10146 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
10149 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
10151 * vr-values.c (simplify_conversion_using_ranges): Use
10152 get_range_query instead of get_global_range_query.
10154 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
10156 * gimple-range.cc (get_range_global): Move to value-query.cc.
10157 (gimple_range_global): Same.
10158 (get_global_range_query): Same.
10159 (global_range_query::range_of_expr): Same.
10160 * gimple-range.h (class global_range_query): Move to
10162 (gimple_range_global): Same.
10163 * tree-ssanames.c (get_range_info): Move to value-query.cc.
10164 (get_ptr_nonnull): Same.
10165 * tree-ssanames.h (get_range_info): Remove.
10166 (get_ptr_nonnull): Remove.
10167 * value-query.cc (get_ssa_name_range_info): Move from
10169 (get_ssa_name_ptr_info_nonnull): Same.
10170 (get_range_global): Move from gimple-range.cc.
10171 (gimple_range_global): Same.
10172 (get_global_range_query): Same.
10173 (global_range_query::range_of_expr): Same.
10174 * value-query.h (class global_range_query): Move from
10176 (gimple_range_global): Same.
10178 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
10181 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
10182 (uavgv2hi3_ceil): Ditto.
10184 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
10187 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
10189 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
10191 * tree-ssanames.c (get_range_info): Merge both copies of
10192 get_range_info into one that works with irange.
10193 * tree-ssanames.h (get_range_info): Remove version that works on
10196 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
10198 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
10199 (expand_builtin_strnlen): Same.
10200 (determine_block_size): Same.
10201 * fold-const.c (expr_not_equal_to): Same.
10202 * gimple-fold.c (size_must_be_zero_p): Same.
10203 * gimple-match-head.c: Include gimple-range.h.
10204 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
10205 * gimple-ssa-warn-restrict.c
10206 (builtin_memref::extend_offset_range): Same.
10207 * graphite-sese-to-poly.c (add_param_constraints): Same.
10208 * internal-fn.c (get_min_precision): Same.
10209 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
10210 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
10212 * tree-data-ref.c (split_constant_offset): Same.
10213 (dr_step_indicator): Same.
10214 * tree-dfa.c (get_ref_base_and_extent): Same.
10215 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
10216 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
10217 (determine_value_range): Same.
10218 (record_nonwrapping_iv): Same.
10219 (infer_loop_bounds_from_signedness): Same.
10220 (scev_var_range_cant_overflow): Same.
10221 * tree-ssa-phiopt.c (two_value_replacement): Same.
10222 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
10223 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
10224 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
10226 (dump_strlen_info): Same.
10227 (set_strlen_range): Same.
10228 (maybe_diag_stxncpy_trunc): Same.
10229 (get_len_or_size): Same.
10230 (handle_integral_assign): Same.
10231 * tree-ssa-structalias.c (find_what_p_points_to): Same.
10232 * tree-ssa-uninit.c (find_var_cmp_const): Same.
10233 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
10234 * tree-vect-patterns.c (vect_get_range_info): Same.
10235 (vect_recog_divmod_pattern): Same.
10236 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
10237 (register_edge_assert_for_2): Same.
10238 (determine_value_range_1): Same.
10239 * tree.c (get_range_pos_neg): Same.
10240 * vr-values.c (vr_values::get_lattice_entry): Same.
10241 (vr_values::update_value_range): Same.
10242 (simplify_conversion_using_ranges): Same.
10244 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
10246 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
10247 get_range_query instead of query argument.
10248 (pass_walloca::execute): Enable and disable global ranger.
10250 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
10252 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
10254 (rvrp_folder::~rvrp_folder): Call disable_ranger.
10255 (hybrid_folder::hybrid_folder): Call enable_ranger.
10256 (hybrid_folder::~hybrid_folder): Call disable_ranger.
10258 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
10260 * function.c (allocate_struct_function): Set cfun->x_range_query.
10261 * function.h (struct function): Declare x_range_query.
10262 (get_range_query): New.
10263 (get_global_range_query): New.
10264 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
10265 Remove call to safe_grow_cleared.
10266 * gimple-range.cc (get_range_global): New.
10267 (gimple_range_global): Move from gimple-range.h.
10268 (get_global_range_query): New.
10269 (global_range_query::range_of_expr): New.
10270 (enable_ranger): New.
10271 (disable_ranger): New.
10272 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
10273 (class global_range_query): New.
10274 (enable_ranger): New.
10275 (disable_ranger): New.
10276 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
10277 dump_all_value_ranges to dump.
10278 * tree-vrp.c (vrp_prop::finalize): Same.
10279 * value-query.cc (range_query::dump): New.
10280 * value-query.h (range_query::dump): New.
10281 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
10282 (vr_values::dump): ...this.
10283 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
10284 dump and make virtual.
10286 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
10288 * config/i386/i386.c (ix86_autovectorize_vector_modes):
10289 Add V4QImode and V16QImode for TARGET_SSE2.
10290 * doc/sourcebuild.texi (Vector-specific attributes):
10291 Add vect64 and vect32 description.
10293 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
10295 * gimple-range-gori.cc (range_def_chain::register_dependency):
10296 Resize m_def_chain when needed.
10298 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
10300 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
10301 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
10302 * config/arm/vec-common.md: .. here. Add support for MVE.
10304 2021-05-26 Jakub Jelinek <jakub@redhat.com>
10306 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
10308 * config/microblaze/microblaze.c (microblaze_legitimize_address,
10310 microblaze_option_override, print_operand): Likewise.
10311 * config/microblaze/microblaze.md (call_internal_plt,
10312 call_value_intern_plt, call_value_intern): Likewise.
10313 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
10314 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
10315 call_value_multiple_internal1): Likewise.
10316 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
10318 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10320 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
10321 arc_ccfsm_advance, symbolic_reference_mentioned_p,
10322 arc_raw_symbolic_reference_mentioned_p): Remove register
10325 2021-05-26 Jakub Jelinek <jakub@redhat.com>
10328 * omp-low.c: Include omp-offload.h.
10329 (create_omp_child_function): If current_function_decl has
10330 "omp declare target" attribute and is_gimple_omp_offloaded,
10331 remove that attribute from the copy of attribute list and
10332 add "omp target entrypoint" attribute instead.
10333 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
10334 variables for offloading if in omp_maybe_offloaded_ctx.
10335 * omp-offload.c (pass_omp_target_link::execute): Nullify second
10336 argument to GOMP_target_data_ext in offloaded code.
10338 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10340 * config/csky/csky.c (csky_can_change_mode_class): Delete.
10341 For csky, HF/SF mode use the low bits of VREGS.
10343 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
10345 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
10346 DECL which is a reference for OMP.
10348 2021-05-26 Martin Liska <mliska@suse.cz>
10350 PR gcov-profile/100751
10351 * doc/gcov.texi: Document that __gcov_dump can be called just
10352 once and that __gcov_reset resets run-time counters.
10354 2021-05-26 Martin Liska <mliska@suse.cz>
10356 * doc/install.texi: Port relevant part from install-old.texi
10357 and re-generate list of CPUs and systems.
10359 2021-05-26 Martin Liska <mliska@suse.cz>
10361 * Makefile.in: Remove it.
10362 * doc/include/fdl.texi: Update next/previous chapters.
10363 * doc/install.texi: Likewise.
10364 * doc/install-old.texi: Removed.
10366 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10368 * config/csky/csky.c (ck810_legitimate_index_p): Support
10369 "base + index" with DF mode.
10370 * config/csky/constraints.md ("Y"): New constraint for memory operands
10371 without index register.
10372 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
10373 when mov between memory and general registers, and lower their priority.
10374 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
10376 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10378 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
10380 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10382 * config/csky/csky.md (untyped_call): Emit clobber for return
10383 registers to mark them used.
10385 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
10387 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
10389 2021-05-26 Andrew Pinski <apinski@marvell.com>
10391 * match.pd (x < 0 ? ~y : y): New patterns.
10393 2021-05-26 Andrew Pinski <apinski@marvell.com>
10395 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
10396 A?POW2:0 and A?0:POW2.
10398 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10400 * gimple-range-gori.cc (class logical_stmt_cache): Delete
10401 (logical_stmt_cache::logical_stmt_cache ): Delete.
10402 (logical_stmt_cache::~logical_stmt_cache): Delete.
10403 (logical_stmt_cache::cache_entry::dump): Delete.
10404 (logical_stmt_cache::get_range): Delete.
10405 (logical_stmt_cache::cached_name ): Delete.
10406 (logical_stmt_cache::same_cached_name): Delete.
10407 (logical_stmt_cache::cacheable_p): Delete.
10408 (logical_stmt_cache::slot_diagnostics ): Delete.
10409 (logical_stmt_cache::dump): Delete.
10410 (gori_compute_cache::gori_compute_cache): Delete.
10411 (gori_compute_cache::~gori_compute_cache): Delete.
10412 (gori_compute_cache::compute_operand_range): Delete.
10413 (gori_compute_cache::cache_stmt): Delete.
10414 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
10416 (class gori_compute_cache): Delete.
10418 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10420 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
10422 (fold_using_range::range_of_address): Adjust.
10423 (fold_using_range::range_of_phi): Adjust.
10424 * gimple-range.h (class fur_source): Adjust.
10425 (fur_source::fur_source): Adjust.
10427 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10429 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
10430 from expr_range_in_bb and adjust.
10431 (gori_compute::compute_name_range_op): Adjust.
10432 (gori_compute::optimize_logical_operands): Adjust.
10433 (gori_compute::compute_logical_operands_in_chain): Adjust.
10434 (gori_compute::compute_operand1_range): Adjust.
10435 (gori_compute::compute_operand2_range): Adjust.
10436 (ori_compute_cache::cache_stmt): Adjust.
10437 * gimple-range-gori.h (gori_compute): Rename prototype.
10439 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10441 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
10442 checked only after range_of_stmt, not range_on_entry.
10443 (gimple_ranger::range_on_entry): Check for non-null in any
10444 predecessor block, if it is not already non-null.
10445 (gimple_ranger::range_on_exit): DOnt check for non-null after
10446 range on entry call.
10447 (gimple_ranger::dump_bb): New. Split from dump.
10448 (gimple_ranger::dump): Adjust.
10449 * gimple-range.h (class gimple_ranger): Adjust.
10451 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10453 * gimple-range-cache.cc (struct range_timestamp): Delete.
10454 (class temporal_cache): Adjust.
10455 (temporal_cache::get_timestamp): Delete.
10456 (temporal_cache::set_dependency): Delete.
10457 (temporal_cache::temporal_value): Adjust.
10458 (temporal_cache::current_p): Take dependencies as params.
10459 (temporal_cache::set_timestamp): Adjust.
10460 (temporal_cache::set_always_current): Adjust.
10461 (ranger_cache::get_non_stale_global_range): Adjust.
10462 (ranger_cache::register_dependency): Delete.
10463 * gimple-range-cache.h (class range_cache): Adjust.
10465 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10467 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
10469 (range_def_chain::~range_def_chain): Dispose of obstack rather than
10470 each individual bitmap.
10471 (range_def_chain::set_import): New.
10472 (range_def_chain::get_imports): New.
10473 (range_def_chain::chain_import_p): New.
10474 (range_def_chain::register_dependency): Rename from build_def_chain
10476 (range_def_chain::def_chain_in_bitmap_p): New.
10477 (range_def_chain::add_def_chain_to_bitmap): New.
10478 (range_def_chain::has_def_chain): Just check first depenedence.
10479 (range_def_chain::get_def_chain): Process imports, use generic
10480 register_dependency routine.
10481 (range_def_chain::dump): New.
10482 (gori_map::gori_map): Allocate import list.
10483 (gori_map::~gori_map): Release imports.
10484 (gori_map::exports): Check for past allocated block size.
10485 (gori_map::imports): New.
10486 (gori_map::def_chain_in_export_p): Delete.
10487 (gori_map::is_import_p): New.
10488 (gori_map::maybe_add_gori): Handle imports.
10489 (gori_map::dump): Adjust output, add imports.
10490 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
10491 (gori_export_iterator::gori_export_iterator): New.
10492 (gori_export_iterator::next): New.
10493 (gori_export_iterator::get_name): New.
10494 * gimple-range-gori.h (range_def_chain): Add imports and direct
10495 dependecies via struct rdc.
10496 (range_def_chain::depend1): New.
10497 (range_def_chain::depend2): New.
10498 (class gori_map): Adjust.
10499 (FOR_EACH_GORI_IMPORT_NAME): New.
10500 (FOR_EACH_GORI_EXPORT_NAME): New.
10501 (class gori_export_iterator): New.
10503 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10505 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
10506 export cache filling to here.
10507 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
10509 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
10511 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
10512 (gori_map): Move to gimple-range-gori.h.
10513 (gori_compute::gori_compute): Adjust.
10514 (gori_compute::~gori_compute): Delete.
10515 (gori_compute::compute_operand_range_switch): Adjust.
10516 (gori_compute::compute_operand_range): Adjust.
10517 (gori_compute::compute_logical_operands): Adjust.
10518 (gori_compute::has_edge_range_p ): Adjust.
10519 (gori_compute::set_range_invariant): Delete.
10520 (gori_compute::dump): Adjust.
10521 (gori_compute::outgoing_edge_range_p): Adjust.
10522 * gimple-range-gori.h (class range_def_chain): Relocate here.
10523 (class gori_map): Relocate here.
10524 (class gori_compute): Inherit from gori_map, and adjust.
10526 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
10528 * value-range.cc (range_tests_legacy): Use
10529 build_nonstandard_integer_type instead of int and short.
10531 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
10533 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
10534 when really creating an initialization statement for it.
10536 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
10538 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
10540 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
10542 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
10544 2021-05-25 Martin Liska <mliska@suse.cz>
10546 PR tree-optimization/92860
10548 * optc-save-gen.awk: Remove exceptions.
10550 2021-05-25 Martin Liska <mliska@suse.cz>
10552 * asan.h (sanitize_coverage_p): New function.
10553 * doc/extend.texi: Document it.
10554 * fold-const.c (fold_range_test): Use sanitize_flags_p
10555 instead of flag_sanitize_coverage.
10556 (fold_truth_andor): Likewise.
10557 * sancov.c: Likewise.
10558 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
10559 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
10560 -fsanitize-coverage when inlining.
10562 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
10564 * config/csky/csky-modes.def : Fix copyright.
10566 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
10568 * config/csky/csky-modes.def : Amend copyright.
10569 * config/csky/csky_insn_fpuv2.md : Likewise.
10570 * config/csky/csky_insn_fpuv3.md : Likewise.
10572 2021-05-25 Richard Biener <rguenther@suse.de>
10574 PR middle-end/100727
10575 * calls.c (initialize_argument_information): Explicitely test
10576 for WITH_SIZE_EXPR.
10577 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
10579 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10581 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
10582 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
10583 the signle definition. The signle definition may not work well
10584 at simplify_subreg_regno().
10585 (HARD_FRAME_POINTER_REGNUM): New.
10586 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
10587 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
10588 csky_initial_elimination_offset, csky_expand_prologue,
10589 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
10591 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10593 * config/csky/csky.c (csky_option_override):
10594 Init csky_arch_isa_features[] in advance, so TARGET_DSP
10595 and TARGET_DIV can be set well.
10597 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10599 * config/csky/constraints.md ("l", "h"): Delete.
10600 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
10601 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
10602 * config/csky/csky.c (regno_reg_classm,
10603 csky_secondary_reload, csky_register_move_cost):
10604 Use HILO_REGS instead of LO_REGS and HI_REGS.
10606 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
10608 * config/csky/constraints.md ("W"): New constriant for mem operand
10609 with base reg, index register.
10610 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
10611 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
10613 ("Dv"): New constraint for const double value that can be used at
10615 * config/csky/csky-modes.def (HFmode): New mode.
10616 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
10617 to "csky_valid_mem_constraint_operand" and support new constraint
10619 (csky_get_movedouble_length): New.
10620 (fpuv3_output_move): New.
10621 (fpuv3_const_double): New.
10622 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
10623 (decompose_csky_address): Refine.
10624 (csky_print_operand): New "CONST_DOUBLE" operand.
10625 (csky_output_move): Support fpv3 instructions.
10626 (csky_get_movedouble_length): New.
10627 (fpuv3_output_move): New.
10628 (fpuv3_const_double): New.
10629 (csky_emit_compare): Cover float comparsion.
10630 (csky_emit_compare_float): Refine.
10631 (csky_vaild_fpuv2_mem_operand): Rename to
10632 "csky_valid_mem_constraint_operand" and support new constraint "W".
10633 (ck860_rtx_costs): New.
10634 (csky_rtx_costs): Add the cost calculation of CK860.
10635 (regno_reg_class): New vregs for fpuv3.
10636 (csky_dbx_regno): Likewise.
10637 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
10638 (csky_conditional_register_usage): Suporrot fpuv3.
10639 (csky_dwarf_register_span): Suporrot fpuv3.
10640 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
10641 (ck810_legitimate_index_p): Support fp16.
10642 * config/csky/csky.h (TARGET_TLS): ADD CK860.
10643 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
10644 (TARGET_SINGLE_FPU): Support fpuv3.
10645 (TARGET_SUPPORT_FPV3): New.
10646 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
10647 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
10648 REG_CLASS_CONTENTS): Support fpuv3.
10649 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
10650 (csky_movsf_fpv2): Likewise.
10651 (ck801_movsf): Likewise.
10652 (csky_movsf): Likewise.
10654 (csky_movdf_fpv2): Likewise.
10655 (ck801_movdf): Likewise.
10656 (csky_movdf): Likewise.
10657 (movsicc): Refine. Use "comparison_operatior" instead of
10658 "ordered_comparison_operatior".
10659 (addsicc): Likewise.
10660 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
10661 (call_value_internal_vh): New.
10662 * config/csky/csky_cores.def (CK860): New arch and cpu.
10667 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
10668 into emit-patterns and match-patterns, remain the emit-patterns here,
10669 and move the match-patterns to csky_insn_fpuv2.md or
10670 csky_insn_fpuv3.md.
10671 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
10672 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
10674 * config/csky/csky_isa.def (fcr): New.
10679 (CK860): New definition for ck860.
10680 * config/csky/csky_tables.opt (ck860): New processors ck860,
10681 ck860f. And new arch ck860.
10686 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
10687 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
10688 * config/csky/t-csky-elf: Support 860.
10689 * config/csky/t-csky-linux: Likewise.
10690 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
10692 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
10694 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
10695 add generation of logical-add and add-logical fusion pairs.
10696 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
10698 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
10699 logical-add and add-logical fusion by default.
10700 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
10701 -mpower10-fusion-add-logical options.
10702 * config/rs6000/fusion.md: Regenerate file.
10704 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
10706 * value-range.cc (irange::legacy_equal_p): Check type when
10707 comparing VR_VARYING types.
10708 (range_tests_legacy): Test comparing VARYING ranges of different
10711 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
10713 * config/aarch64/aarch64.c (neoversen1_tunings):
10714 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
10716 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
10718 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
10719 extern weak symbols. Limit symbol offsets for non-GOT symbols with
10722 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
10724 * config/arm/neon.md (vec_load_lanesxi<mode>)
10725 (vec_store_lanexoi<mode>): Move ...
10726 * config/arm/vec-common.md: here.
10728 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
10730 * config/arm/neon.md (vec_load_lanesoi<mode>)
10731 (vec_store_lanesoi<mode>): Move ...
10732 * config/arm/vec-common.md: here.
10734 2021-05-24 liuhongt <hongtao.liu@intel.com>
10737 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
10738 stmt with GIMPLE_NOP when lhs doesn't exist.
10740 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
10743 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
10744 New instruction pattern.
10745 (*push<VI_32:mode>2): Ditto.
10746 (push splitter for SSE registers): New splitter.
10748 2021-05-23 Andrew Pinski <apinski@marvell.com>
10750 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
10752 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
10754 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
10755 * config/rs6000/fusion.md: Regenerate file.
10757 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
10759 * config/rs6000/genfusion.pl (gen_addadd): New function.
10760 * config/rs6000/fusion.md: Regenerate file.
10761 * config/rs6000/rs6000-cpus.def: Add
10762 OPTION_MASK_P10_FUSION_2ADD to masks.
10763 * config/rs6000/rs6000.c (rs6000_option_override_internal):
10764 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
10765 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
10767 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10769 PR middle-end/99928
10770 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
10771 * gimplify.c (enum gimplify_omp_var_data): Fix up
10772 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
10773 (omp_lastprivate_for_combined_outer_constructs): If combined target
10774 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
10775 GOVD_MAP | GOVD_SEEN.
10776 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
10777 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
10778 (gimplify_adjust_omp_clauses): For firstprivate clauses with
10779 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
10780 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
10781 let it be replaced by implicit map clause.
10783 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10785 PR middle-end/99928
10786 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
10788 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
10789 (gimplify_omp_for): Likewise.
10791 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10793 PR middle-end/90115
10794 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
10795 'external' in blocks.
10797 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10799 PR middle-end/90115
10800 * flag-types.h (enum openacc_privatization): New.
10801 * params.opt (-param=openacc-privatization): New.
10802 * doc/invoke.texi (openacc-privatization): Document it.
10803 * omp-general.h (get_openacc_privatization_dump_flags): New
10805 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
10806 * omp-offload.c (execute_oacc_device_lower)
10807 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
10808 * target.def (goacc.adjust_private_decl): Add 'location_t'
10810 * doc/tm.texi: Regenerate.
10811 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
10812 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
10813 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
10814 Likewise. Preserve it for...
10815 (nvptx_goacc_expand_var_decl): ... use here.
10817 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10819 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
10822 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10824 PR middle-end/90115
10825 * omp-low.c (oacc_privatization_candidate_p): New function.
10826 (oacc_privatization_scan_clause_chain)
10827 (oacc_privatization_scan_decl_chain): Use it. Also
10828 'gcc_checking_assert' that we're not seeing duplicates.
10830 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10832 PR middle-end/90115
10833 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
10836 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10838 PR middle-end/90115
10839 * omp-offload.c (execute_oacc_device_lower): Explain.
10841 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10843 PR middle-end/90115
10844 * omp-offload.c (execute_oacc_device_lower)
10845 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
10847 * internal-fn.c (expand_UNIQUE): Don't expect
10848 'IFN_UNIQUE_OACC_PRIVATE'.
10850 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10852 PR middle-end/90115
10853 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
10855 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
10857 PR middle-end/90115
10858 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
10859 (nvptx_goacc_expand_var_decl): Tighten.
10861 2021-05-21 Julian Brown <julian@codesourcery.com>
10862 Chung-Lin Tang <cltang@codesourcery.com>
10863 Thomas Schwinge <thomas@codesourcery.com>
10865 PR middle-end/90115
10866 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
10867 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
10868 * doc/tm.texi: Regenerate.
10869 * expr.c (expand_expr_real_1): Expand decls using the
10870 expand_var_decl OpenACC hook if defined.
10871 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
10872 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
10873 * omp-low.c (omp_context): Add oacc_privatization_candidates
10875 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
10877 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
10878 private marker's gimple call arguments, and pass it to
10879 lower_oacc_reductions.
10880 (oacc_privatization_scan_clause_chain)
10881 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
10883 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
10884 * omp-offload.c (convert.h): Include.
10885 (oacc_loop_xform_head_tail): Treat private-variable markers like
10886 fork/join when transforming head/tail sequences.
10887 (struct var_decl_rewrite_info): Add struct.
10888 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
10889 (execute_oacc_device_lower): Support rewriting gang-private
10890 variables using target hook, and fix up addr_expr and var_decl
10892 * target.def (adjust_private_decl, expand_var_decl): New hooks.
10893 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
10895 (gcn_goacc_adjust_private_decl): ...this.
10896 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
10898 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
10899 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
10900 definition using gcn_goacc_adjust_gangprivate_decl...
10901 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
10902 gcn_goacc_adjust_private_decl.
10903 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
10904 (gang_private_shared_size): New global variable.
10905 (gang_private_shared_align): Likewise.
10906 (gang_private_shared_sym): Likewise.
10907 (gang_private_shared_hmap): Likewise.
10908 (nvptx_option_override): Initialize these.
10909 (nvptx_file_end): Output gang_private_shared_sym.
10910 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
10912 (nvptx_set_current_function): Clear gang_private_shared_hmap.
10913 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
10914 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
10916 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
10918 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
10920 2021-05-21 Richard Biener <rguenther@suse.de>
10921 H.J. Lu <hjl.tools@gmail.com>
10923 PR middle-end/90773
10924 * expr.c (expand_constructor): Elide expand_constructor if
10925 move by pieces is preferred.
10927 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10929 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
10930 Take a flag and mode value as arguments.
10931 (aarch64_modifies_global_state_p): Likewise.
10932 (aarch64_reads_global_state_p): Likewise.
10933 (aarch64_could_trap_p): Likewise.
10934 (aarch64_get_attributes): Likewise.
10935 (aarch64_init_simd_builtins): Adjust callsite of above.
10936 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
10937 function attributes to apply to builtins.
10938 (aarch64_init_crc32_builtins): Likewise.
10939 (aarch64_init_builtin_rsqrt): Likewise.
10941 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
10943 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
10944 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
10945 (gen_2logical): Use new fusion types.
10946 * config/rs6000/fusion.md: Regenerate.
10948 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
10951 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
10952 Handle V4QI and V2HI modes.
10953 (ix86_expand_sse_movcc): Ditto.
10954 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
10955 New instruction pattern.
10956 (*eq<VI_32:mode>3): Ditto.
10957 (*gt<VI_32:mode>3): Ditto.
10958 (*xop_pcmov_<VI_32:mode>): Ditto.
10959 (mmx_pblendvb32): Ditto.
10960 (mmx_pblendvb64): Rename from mmx_pblendvb.
10961 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
10962 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
10963 (vcond<VI_32:mode><VI_32:mode>): Ditto.
10964 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
10965 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
10967 2021-05-21 Jakub Jelinek <jakub@redhat.com>
10969 PR tree-optimization/94589
10970 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
10971 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
10972 not the same as cmp3) treat <= the same as < and >= the same as >.
10973 Don't require that cond2_phi_edge is true edge, instead take
10974 false/true edges into account based on cmp1/cmp2 comparison kinds.
10976 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
10979 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
10980 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
10981 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
10982 using SMAXMIN_MMXMODEI mode iterator.
10983 (*<smaxmin:code>v4qi3): New insn pattern.
10984 (*<smaxmin:code>v2hi3): Ditto.
10985 (SMAXMIN_VI_32): New mode iterator.
10986 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
10987 (UMAXMIN_MMXMODEI): New mode iterator.
10988 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
10989 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
10990 using UMAXMIN_MMXMODEI mode iterator.
10991 (*<umaxmin:code>v4qi3): New insn pattern.
10992 (*<umaxmin:code>v2hi3): Ditto.
10993 (UMAXMIN_VI_32): New mode iterator.
10994 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
10995 (abs<VI_32:mode>2): New insn pattern.
10996 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
10997 * config/i386/sse.md: ... here.
10999 2021-05-20 Clement Chigot <clement.chigot@atos.net>
11000 David Edelsohn <dje.gcc@gmail.com>
11002 * collect2.c (scan_prog_file): Issue non-fatal warning for
11005 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
11007 * doc/invoke.texi (-Wno-c++11-extensions)
11008 (-Wno-c++14-extensions, -Wno-c++17-extensions)
11009 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
11012 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
11014 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
11015 * config/darwin.c (darwin_override_options): Likewise.
11016 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
11017 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
11018 (DWARF2_FRAME_REG_OUT): Likewise.
11019 * config/mips/mips.c (mips_output_filename): Likewise.
11020 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
11022 (rs6000_dbx_register_number): Likewise.
11023 * dbxout.c: Include flags.h.
11024 * dwarf2cfi.c (cfi_label_required_p): Likewise.
11025 (dwarf2out_do_frame): Likewise.
11026 * except.c: Include flags.h.
11027 * final.c (dwarf2_debug_info_emitted_p): Likewise.
11028 (final_scan_insn_1): Likewise.
11029 * flags.h (dwarf_debuginfo_p): New function declaration.
11030 * opts.c (dwarf_debuginfo_p): New function definition.
11031 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
11032 * toplev.c (process_options): Likewise.
11034 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
11036 * common.opt: Change type to support bitmasks.
11037 * flag-types.h (enum debug_info_type): Rename enumerator constants.
11038 (NO_DEBUG): New bitmask.
11039 (DBX_DEBUG): Likewise.
11040 (DWARF2_DEBUG): Likewise.
11041 (XCOFF_DEBUG): Likewise.
11042 (VMS_DEBUG): Likewise.
11043 (VMS_AND_DWARF2_DEBUG): Likewise.
11044 * flags.h (debug_set_to_format): New function declaration.
11045 (debug_set_count): Likewise.
11046 (debug_set_names): Likewise.
11047 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
11048 (debug_set_to_format): New function definition.
11049 (debug_set_count): Likewise.
11050 (debug_set_names): Likewise.
11051 (set_debug_level): Update access to debug_type_names.
11052 * toplev.c: Likewise.
11054 2021-05-20 Martin Sebor <msebor@redhat.com>
11056 PR middle-end/100684
11057 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
11059 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
11062 * config/i386/i386.md (isa): Remove x64_bmi.
11063 (enabled): Remove x64_bmi.
11064 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
11065 Remove general register alternative.
11066 (*andnot<VI_32:mode>3): Ditto.
11067 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
11068 (*<any_logic:code><VI_32:mode>3): Ditto.
11070 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
11072 * config/arm/arm.c: Include head files tree-vectorizer.h and
11075 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
11078 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
11079 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
11080 (<s>mulv4hi3_highpart): New expander.
11081 (*<s>mulv2hi3_highpart): New insn pattern.
11082 (<s>mulv2hi3_higpart): New expander.
11083 (*<any_shift:insn>v2hi3): New insn pattern.
11084 (<any_shift:insn>v2hi3): New expander.
11085 * config/i386/sse.md (smulhrsv2hi3): New expander.
11086 (*smulhrsv2hi3): New insn pattern.
11088 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
11090 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
11092 * params.opt (vect-inner-loop-cost-factor): New.
11093 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
11094 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
11095 tree-vectorizer.h and its required ones.
11096 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
11097 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
11098 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
11099 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
11100 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
11101 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
11103 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
11104 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
11105 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
11107 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
11108 Torbjörn Svensson <torbjorn.svensson@st.com>
11111 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
11113 2021-05-20 Jakub Jelinek <jakub@redhat.com>
11115 PR middle-end/99928
11116 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
11117 explicit linear clause when combined with target, make it map(tofrom:)
11118 instead of no clause or firstprivate.
11120 2021-05-20 Jakub Jelinek <jakub@redhat.com>
11122 PR tree-optimization/94589
11123 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
11124 of integral conversions.
11126 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
11128 * gimple-range.cc (fur_source::get_operand): New.
11129 (gimple_range_fold): Delete.
11130 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
11131 (fold_using_range::range_of_range_op): Move from gimple_ranger.
11132 (fold_using_range::range_of_address): Ditto.
11133 (fold_using_range::range_of_phi): Ditto.
11134 (fold_using_range::range_of_call): Ditto.
11135 (fold_using_range::range_of_builtin_ubsan_call): Move from
11136 range_of_builtin_ubsan_call.
11137 (fold_using_range::range_of_builtin_call): Move from
11138 range_of_builtin_call.
11139 (gimple_ranger::range_of_builtin_call): Delete.
11140 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
11141 (gimple_ranger::fold_range_internal): New.
11142 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
11143 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
11144 gimple_ranger. Improve ranges of SSA_NAMES when possible.
11145 * gimple-range.h (gimple_ranger): Remove various range_of routines.
11146 (class fur_source): New.
11147 (class fold_using_range): New.
11148 (fur_source::fur_source): New.
11150 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
11151 instead of range_of_builtin_call.
11153 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
11155 * doc/cpp.texi (Common Predefined Macros): Update documentation
11156 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
11158 2021-05-19 Alex Coplan <alex.coplan@arm.com>
11161 * config/arm/arm.md (nonsecure_call_internal): Always ensure
11162 callee's address is in a register.
11164 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
11166 * common/config/riscv/riscv-common.c
11167 (riscv_subset_list::parsing_subset_version): Properly parse the letter
11169 (riscv_subset_list::parse_std_ext,
11170 riscv_subset_list::parse_multiletter_ext): To handle errors generated
11171 in riscv_subset_list::parsing_subset_version.
11173 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
11175 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
11176 type attribute in patterns generating XTN(2).
11178 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
11180 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
11181 Remove as duplicate of...
11182 (aarch64_xtn<mode>): This.
11183 (aarch64_xtn2<mode>_le): Move position in file.
11184 (aarch64_xtn2<mode>_be): Move position in file.
11185 (aarch64_xtn2<mode>): Move position in file.
11186 (vec_pack_trunc_<mode>): Define as an expander.
11188 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
11190 * config/aarch64/aarch64-simd-builtins.def: Split builtin
11191 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
11192 separate scalar and vector generators.
11193 * config/aarch64/aarch64-simd.md
11194 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
11196 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
11197 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
11198 * config/aarch64/iterators.md: Define SD_HSDI iterator.
11200 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
11202 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
11204 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
11206 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
11208 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
11209 Implement as an expand emitting a big/little endian
11210 instruction pattern.
11211 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
11212 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
11214 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
11216 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
11217 Implement as an expand emitting a big/little endian
11218 instruction pattern.
11219 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
11220 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
11221 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
11222 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
11224 2021-05-19 Richard Biener <rguenther@suse.de>
11226 PR middle-end/100672
11227 * fold-const.c (fold_negate_expr_1): Use element_precision.
11228 (negate_expr_p): Likewise.
11230 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
11232 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
11233 (pred_load): New int attribute.
11234 * config/aarch64/aarch64-sve.md
11235 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
11236 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
11237 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
11238 code_for_aarch64_load.
11240 2021-05-19 Richard Biener <rguenther@suse.de>
11242 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
11243 sure TARGET_MEM_REF bases are expanded as memory.
11244 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
11245 Do not mark TARGET_MEM_REF bases addressable.
11246 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
11247 TARGET_MEM_REF bases as never rewritable.
11248 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
11249 walk TARGET_MEM_REF bases as address-takens.
11250 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
11252 2021-05-19 Richard Biener <rguenther@suse.de>
11254 * builtins.c (get_object_alignment_1): Strip outer
11256 * tree-dfa.c (get_ref_base_and_extent): Handle outer
11257 WITH_SIZE_EXPR for size processing and process the
11259 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
11260 outer WITH_SIZE_EXPR.
11261 (ao_ref_base_alias_ptr_type): Likewise.
11262 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
11263 and handle that accordingly, stripping it for the
11264 core alias workers.
11265 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
11266 looking through it instead of returning NULL.
11268 2021-05-19 Jakub Jelinek <jakub@redhat.com>
11270 PR middle-end/100576
11271 * builtins.c (check_read_access): Convert bound to size_type_node if
11274 2021-05-19 Richard Biener <rguenther@suse.de>
11276 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
11277 (verify_types_in_gimple_reference): ... here. Sanitize.
11278 (verify_gimple_call): Verify references in LHS and arguments.
11279 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
11281 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
11283 * config/i386/i386.h (VALID_INT_MODE_P):
11284 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
11285 * config/i386/i386.md (isa): Add x64_bmi.
11286 (enabled): Handle x64_bmi.
11287 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
11288 Add alternative using 64bit general registers.
11289 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
11291 2021-05-19 Jakub Jelinek <jakub@redhat.com>
11293 PR middle-end/99928
11294 * tree.h (OMP_MASTER_COMBINED): Define.
11295 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
11296 handling for outer combined/composite constructs to a loop.
11297 Handle lastprivate on combined target.
11298 (gimplify_expr): Formatting fix.
11300 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
11302 * passes.def: Add sink_code pass before store_merging.
11303 * tree-ssa-sink.c (pass_sink_code:clone): New.
11305 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
11307 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
11308 rs6000_special_adjust_field_align_p.
11309 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
11310 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
11311 Remove ABI warning.
11312 (rs6000_function_arg): Likewise.
11313 * config/rs6000/rs6000-protos.h
11314 (rs6000_special_adjust_field_align_p): Remove prototype.
11315 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
11317 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
11318 rs6000_special_adjust_field_align_p.
11320 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
11323 * config/i386/i386.h (VALID_SSE2_REG_MODE):
11324 Add V4QI and V2HI modes.
11325 (VALID_INT_MODE_P): Ditto.
11326 * config/i386/mmx.md (VI_32): New mode iterator.
11327 (mmxvecsize): Handle V4QI and V2HI.
11329 (mov<VI_32:mode>): New expander.
11330 (*mov<mode>_internal): New insn pattern.
11331 (movmisalign<VI_32:mode>): New expander.
11332 (neg<VI_32:mode>): New expander.
11333 (<plusminus:insn><VI_32:mode>3): New expander.
11334 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
11335 (mulv2hi3): New expander.
11336 (*mulv2hi3): New insn pattern.
11337 (one_cmpl<VI_32:mode>2): New expander.
11338 (*andnot<VI_32:mode>3): New insn pattern.
11339 (<any_logic:code><VI_32:mode>3): New expander.
11340 (*<any_logic:code><VI_32:mode>3): New insn pattern.
11342 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
11344 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
11345 Fix a mode mismatch with operand 1.
11347 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
11350 * config/i386/i386-expand.c (split_double_mode): Return
11351 temporary register when simplify_gen_subreg fails with
11352 the high half od the paradoxical subreg.
11354 2021-05-18 Richard Biener <rguenther@suse.de>
11356 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
11357 and honor it when expanding.
11358 (expand_used_vars_for_block): Pass through forced_stack_var.
11359 (expand_used_vars): Likewise.
11360 (discover_nonconstant_array_refs_r): Set bits in
11361 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
11362 (avoid_type_punning_on_regs): Likewise.
11363 (discover_nonconstant_array_refs): Likewise.
11364 (pass_expand::execute): Create and pass down forced_stack_var
11365 bitmap. For parameters and returns temporarily set
11366 TREE_ADDRESSABLE when expand_function_start.
11368 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
11370 * doc/sourcebuild.texi: Document 'dg-note'.
11372 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
11375 * configure: Regenerate.
11376 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
11378 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
11380 * gimple.h (is_gimple_omp_oacc): Tighten.
11381 * omp-low.c (check_omp_nesting_restrictions): Adjust.
11383 2021-05-18 Richard Biener <rguenther@suse.de>
11385 * tree-ssa-operands.c (mark_address_taken): Simplify.
11387 2021-05-18 Martin Liska <mliska@suse.cz>
11389 * config/gcn/mkoffload.c (STR): Redefine.
11390 * config/i386/intelmic-mkoffload.c (STR): Likewise.
11391 * config/nvptx/mkoffload.c (STR): Likewise.
11393 2021-05-18 Martin Liska <mliska@suse.cz>
11395 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
11396 Use startswith function instead of strncmp.
11397 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
11398 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
11399 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
11400 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
11401 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
11402 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
11403 * config/arm/arm.c (arm_file_start): Likewise.
11404 (arm_valid_target_attribute_rec): Likewise.
11405 (thumb1_md_asm_adjust): Likewise.
11406 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
11407 * config/avr/avr.c (STR_PREFIX_P): Likewise.
11408 (avr_set_current_function): Likewise.
11409 (avr_handle_addr_attribute): Likewise.
11410 (avr_asm_output_aligned_decl_common): Likewise.
11411 (avr_asm_named_section): Likewise.
11412 (avr_section_type_flags): Likewise.
11413 (avr_asm_select_section): Likewise.
11414 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
11415 (c6x_section_type_flags): Likewise.
11416 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
11417 (darwin_objc_declare_unresolved_class_reference): Likewise.
11418 (darwin_objc_declare_class_definition): Likewise.
11419 * config/darwin.c (indirect_data): Likewise.
11420 (darwin_encode_section_info): Likewise.
11421 (darwin_objc2_section): Likewise.
11422 (darwin_objc1_section): Likewise.
11423 (machopic_select_section): Likewise.
11424 (darwin_globalize_label): Likewise.
11425 (darwin_label_is_anonymous_local_objc_name): Likewise.
11426 (darwin_asm_named_section): Likewise.
11427 (darwin_asm_output_dwarf_offset): Likewise.
11428 * config/frv/frv.c (frv_string_begins_with): Likewise.
11429 (frv_in_small_data_p): Likewise.
11430 * config/gcn/mkoffload.c (STR): Likewise.
11432 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
11433 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
11434 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
11435 (ix86_md_asm_adjust): Likewise.
11436 * config/i386/intelmic-mkoffload.c (STR): Likewise.
11437 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
11438 (i386_pe_file_end): Likewise.
11439 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
11440 (ia64_section_type_flags): Likewise.
11441 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
11442 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
11443 (mips16_stub_function_p): Likewise.
11444 (mips_function_rodata_section): Likewise.
11445 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
11446 (msp430_function_section): Likewise.
11447 (msp430_section_type_flags): Likewise.
11448 (msp430_expand_helper): Likewise.
11449 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
11450 (nios2_valid_target_attribute_rec): Likewise.
11451 * config/nvptx/mkoffload.c (process): Likewise.
11453 * config/pa/som.h: Likewise.
11454 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
11455 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
11456 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
11457 (rs6000_inner_target_options): Likewise.
11458 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
11459 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
11460 * config/vax/vax.c (vax_output_int_move): Likewise.
11461 * config/vms/vms-ld.c (startswith): Likewise.
11462 (process_args): Likewise.
11464 * config/vms/vms.c: Likewise.
11466 2021-05-18 Jakub Jelinek <jakub@redhat.com>
11468 PR rtl-optimization/100590
11469 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
11470 they are NONJUMP_INSN_P.
11472 2021-05-18 Jakub Jelinek <jakub@redhat.com>
11475 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
11476 DECL_ASSEMBLER_NAME on the fn_decl.
11478 2021-05-18 Jakub Jelinek <jakub@redhat.com>
11480 PR tree-optimization/94589
11481 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
11482 phi result used in (res & ~1) == 0 comparison as res >= 0 as
11483 res == 2 would be UB with -ffinite-math-only.
11485 2021-05-18 Martin Liska <mliska@suse.cz>
11487 * Makefile.in: genversion.o should depend on DATESTAMP.
11489 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
11491 * config/arc/simdext.md (negv2si2): Remove round bracket.
11493 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
11495 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
11496 _Bool as macro expanding to _Bool.
11498 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
11501 * tree.c (build_reference_type_for_mode)
11502 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
11504 (build_reference_type, build_pointer_type): Invoke
11505 build_*_type_for_mode with VOIDmode.
11507 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
11509 PR tree-optimization/100512
11510 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
11511 and non-zero pointer ranges as invariant.
11512 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
11513 processing from here.
11515 2021-05-17 Tom de Vries <tdevries@suse.de>
11518 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
11519 * config/nvptx/nvptx.c (nvptx_output_barrier)
11520 (nvptx_output_atomic_insn): New function.
11521 (nvptx_print_operand): Add support for 'B'.
11522 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
11525 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
11527 PR tree-optimization/100349
11528 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
11531 2021-05-17 Tamar Christina <tamar.christina@arm.com>
11533 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
11534 (host_detect_local_cpu): Use it.
11536 2021-05-17 Martin Liska <mliska@suse.cz>
11538 * doc/invoke.texi: Add 2 missing dots.
11540 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
11542 PR bootstrap/100552
11543 * configure.ac: Replace pattern substitution with call to sed.
11544 * configure: Regenerate.
11546 2021-05-17 Richard Biener <rguenther@suse.de>
11548 PR middle-end/100582
11549 * tree.c (array_at_struct_end_p): Get to the base of the
11550 reference before looking for the underlying decl.
11552 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
11554 * genoutput.c (validate_insn_alternatives) Make "wrong number of
11555 alternatives" message more specific, and remove assumption on where
11558 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
11560 * config/arm/iterators.md (V16): New iterator.
11561 (VH_cvtto): New iterator.
11562 (v_cmp_result): Added V4HF and V8HF support.
11563 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
11564 (vcond<mode><mode>): Likewise.
11565 (vcond_mask_<mode><v_cmp_result>): Likewise.
11566 (vcond<VH_cvtto><mode>): New expander.
11568 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
11570 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
11572 * config/arm/arm.c (arm_expand_vector_compare): Add support for
11574 (arm_expand_vcond): Likewise.
11575 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
11576 VCMPEQQ_N_S, VCMPNEQ_N_S.
11577 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
11578 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
11579 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
11580 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
11581 (@mve_vpselq_<supf><mode>): Likewise.
11582 (@mve_vpselq_f<mode>"): Likewise.
11583 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
11584 and move to vec-common.md.
11585 (vec_cmpu<mode><mode>): Likewise.
11586 (vcond<mode><mode>): Likewise.
11587 (vcond<V_cvtto><mode>): Likewise.
11588 (vcondu<mode><v_cmp_result>): Likewise.
11589 (vcond_mask_<mode><v_cmp_result>): Likewise.
11590 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
11591 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
11592 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
11593 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
11594 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
11595 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
11597 (vec_cmpu<mode><mode>): Likewise.
11598 (vcond<mode><mode>): Likewise.
11599 (vcond<V_cvtto><mode>): Likewise.
11600 (vcondu<mode><v_cmp_result>): Likewise.
11601 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
11604 2021-05-17 liuhongt <hongtao.liu@intel.com>
11607 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
11608 gsi_insert_seq_before instead.
11610 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
11612 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
11613 (arm_sat_ok): ...this.
11615 2021-05-17 Martin Liska <mliska@suse.cz>
11617 * lto-wrapper.c (merge_flto_options): Factor out a new function.
11618 (merge_and_complain): Use it.
11619 (run_gcc): Merge also linker command line -flto=foo argument
11622 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
11624 * config/arm/arm.h (CPP_SPEC): Remove error message about
11625 -mlittle-endian/-mbig-endian conflict.
11627 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11629 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
11630 __ROP_PROTECT__ if -mrop-protect is selected.
11632 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11634 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
11635 rop_hash_save_offset and rop_hash_size.
11636 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
11637 rop_hash_size and rop_hash_save_offset.
11638 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
11639 (rs6000_emit_prologue): Emit hashst[p] in prologue.
11640 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
11641 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
11643 (hashst): New define_insn.
11644 (hashchk): Likewise.
11646 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
11648 * config/rs6000/rs6000.c (rs6000_option_override_internal):
11649 Disable shrink wrap when inserting ROP-protect instructions.
11650 * config/rs6000/rs6000.opt (mrop-protect): New option.
11651 (mprivileged): Likewise.
11652 * doc/invoke.texi: Document mrop-protect and mprivileged.
11654 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
11656 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
11659 2021-05-15 Martin Jambor <mjambor@suse.cz>
11662 2021-05-13 Martin Jambor <mjambor@suse.cz>
11664 PR tree-optimization/100453
11665 * tree-sra.c (sra_modify_assign): All const base accesses do not
11666 need refreshing, not just those from decl_pool.
11667 (sra_modify_assign): Do not refresh into a const base decl.
11669 2021-05-15 Jakub Jelinek <jakub@redhat.com>
11671 PR rtl-optimization/100342
11672 * regcprop.c (copy_value): When copying a source reg in a wider
11673 mode than it has recorded for the value, adjust recorded destination
11674 mode too or punt if !REG_CAN_CHANGE_MODE_P.
11676 2021-05-14 Jason Merrill <jason@redhat.com>
11678 * intl.h: Add comments.
11680 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11682 * config/aarch64/aarch64-simd.md
11683 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
11684 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
11685 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
11686 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
11687 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
11688 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
11689 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
11690 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
11691 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
11693 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
11696 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
11697 boolean logic equivalent.
11698 (vtst_s16): Likewise.
11699 (vtst_s32): Likewise.
11700 (vtst_u8): Likewise.
11701 (vtst_u16): Likewise.
11702 (vtst_u32): Likewise.
11703 (vtst_p8): Likewise.
11704 (vtst_p16): Likewise.
11705 (vtstq_s8): Likewise.
11706 (vtstq_s16): Likewise.
11707 (vtstq_s32): Likewise.
11708 (vtstq_u8): Likewise.
11709 (vtstq_u16): Likewise.
11710 (vtstq_u32): Likewise.
11711 (vtstq_p8): Likewise.
11712 (vtstq_p16): Likewise.
11713 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
11714 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
11716 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11718 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
11719 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
11720 (aarch64_sqdmlsl2<mode>): Delete.
11721 (aarch64_sqdmlal2_lane<mode>): Merge this...
11722 (aarch64_sqdmlsl2_lane<mode>): ... And this...
11723 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
11724 (aarch64_sqdmlal2_laneq<mode>): Merge this...
11725 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
11726 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
11727 (aarch64_sqdmlal2_n<mode>): Merge this...
11728 (aarch64_sqdmlsl2_n<mode>): ... And this...
11729 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
11731 2021-05-13 Martin Sebor <msebor@redhat.com>
11733 PR middle-end/100574
11734 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
11735 all null arguments.
11737 2021-05-13 Martin Sebor <msebor@redhat.com>
11739 PR tree-optimization/93100
11740 PR middle-end/98583
11741 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
11742 don't modify referenced objects.
11744 2021-05-13 Martin Jambor <mjambor@suse.cz>
11746 PR tree-optimization/100453
11747 * tree-sra.c (sra_modify_assign): All const base accesses do not
11748 need refreshing, not just those from decl_pool.
11749 (sra_modify_assign): Do not refresh into a const base decl.
11751 2021-05-13 Martin Liska <mliska@suse.cz>
11753 * tree-ssa-dom.c: Remove m_simplifier.
11755 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
11758 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
11759 canonicalize DImode inequality comparisons against the
11760 maximum integral value.
11762 2021-05-13 Jakub Jelinek <jakub@redhat.com>
11764 PR tree-optimization/98856
11765 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
11766 Expect V2DI and V4DI arithmetic right shifts to be emulated.
11767 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
11769 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
11770 expand_vec_perm_2perm_pblendv): New functions.
11771 (ix86_expand_vec_perm_const_1): Use them.
11772 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
11773 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
11774 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
11775 (ashrv4di3): New define_expand.
11776 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
11777 and !TARGET_AVX512VL expansion.
11779 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
11782 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
11783 sizes < 16 to a register when constructing vpcmov pattern.
11784 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
11786 2021-05-13 Martin Liska <mliska@suse.cz>
11788 * gcov-io.c (gcov_write_block): Remove.
11789 (gcov_write_words): Likewise.
11790 (gcov_read_words): Re-implement using gcov_read_bytes.
11791 (gcov_allocate): Remove.
11792 (GCOV_BLOCK_SIZE): Likewise.
11793 (struct gcov_var): Remove most of the fields.
11794 (gcov_position): Implement with ftell.
11795 (gcov_rewrite): Remove setting of start and offset fields.
11796 (from_file): Re-format.
11797 (gcov_open): Remove setbuf call. It should not be needed.
11798 (gcov_close): Remove internal buffer handling.
11799 (gcov_magic): Use __builtin_bswap32.
11800 (gcov_write_counter): Use directly gcov_write_unsigned.
11801 (gcov_write_string): Use direct fwrite and do not round
11803 (gcov_seek): Use directly fseek.
11804 (gcov_write_tag): Use gcov_write_unsigned directly.
11805 (gcov_write_length): Likewise.
11806 (gcov_write_tag_length): Likewise.
11807 (gcov_read_bytes): Use directly fread.
11808 (gcov_read_unsigned): Use gcov_read_words.
11809 (gcov_read_counter): Likewise.
11810 (gcov_read_string): Use gcov_read_bytes.
11811 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
11812 that size is not in bytes, but words (4B).
11813 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
11814 (GCOV_TAG_ARCS_LENGTH): Likewise.
11815 (GCOV_TAG_ARCS_NUM): Likewise.
11816 (GCOV_TAG_COUNTER_LENGTH): Likewise.
11817 (GCOV_TAG_COUNTER_NUM): Likewise.
11818 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
11820 2021-05-13 liuhongt <hongtao.liu@intel.com>
11823 * config/i386/sse.md (ssedoublevecmode): Add attribute for
11824 V64QI/V32HI/V16SI/V4DI.
11825 (ssehalfvecmode): Add attribute for V2DI/V2DF.
11826 (*vec_concatv4si_0): Extend to VI124_128.
11827 (*vec_concat<mode>_0): New pre-reload splitter.
11828 * config/i386/predicates.md (movq_parallel): New predicate.
11830 2021-05-13 Alexandre Oliva <oliva@adacore.com>
11832 * targhooks.c (default_zero_call_used_regs): Retry using
11833 successfully-zeroed registers as sources.
11835 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
11837 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
11839 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
11842 * gimple-range.cc (range_of_builtin_call): Skip out on
11843 processing __builtin_clz when varying.
11845 2021-05-12 Tom de Vries <tdevries@suse.de>
11848 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
11849 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
11850 to ptx_version_option.
11851 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
11852 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
11853 (define_insn "nvptx_vote_ballot"): Use sync variant for
11855 * config/nvptx/nvptx.opt (ptx_version): Add enum.
11856 (mptx): Add option.
11857 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
11859 2021-05-12 Richard Biener <rguenther@suse.de>
11861 PR tree-optimization/100566
11862 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
11863 allow_back for all edge queries.
11865 2021-05-12 liuhongt <hongtao.liu@intel.com>
11868 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
11869 splitters for pblendvb of NOT mask register.
11871 2021-05-12 Richard Biener <rguenther@suse.de>
11873 PR tree-optimization/100519
11874 * tree-ssa-reassoc.c (can_associate_p): Split into...
11875 (can_associate_op_p): ... this
11876 (can_associate_type_p): ... and this.
11877 (is_reassociable_op): Call can_associate_op_p.
11878 (break_up_subtract_bb): Call the appropriate predicates.
11879 (reassociate_bb): Likewise.
11881 2021-05-12 Martin Liska <mliska@suse.cz>
11883 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
11884 (run_gcc): Use -flto argument detection for merged
11887 2021-05-12 Martin Liska <mliska@suse.cz>
11889 * lto-wrapper.c (print_lto_docs_link): New function.
11890 (run_gcc): Print warning about missing job server detection
11891 after we know NR of partitions. Do the same for -flto{,=1}.
11892 * opts.c (get_option_html_page): Support -flto option.
11894 2021-05-12 Martin Liska <mliska@suse.cz>
11896 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
11898 (append_option): Remove.
11899 (find_option): Rework to use the vector type.
11900 (remove_option): Remove.
11901 (merge_and_complain): Use vectors for cl_decoded_option data
11903 (append_compiler_options): Likewise.
11904 (append_diag_options): Likewise.
11905 (append_linker_options): Likewise.
11906 (append_offload_options): Likewise.
11907 (compile_offload_image): Likewise.
11908 (compile_images_for_offload_targets): Likewise.
11909 (find_and_merge_options): Likewise.
11910 (run_gcc): Likewise.
11912 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
11915 * dwarf2out.c (dwarf2out_finish): Set
11916 have_multiple_function_sections with multi-range text_section.
11918 2021-05-12 Martin Liska <mliska@suse.cz>
11920 PR bootstrap/100560
11921 * Makefile.in: Remove version.h from linker command line.
11923 2021-05-12 Richard Biener <rguenther@suse.de>
11925 PR middle-end/100547
11926 * rtl.h (rtvec_alloc): Make argument size_t.
11927 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
11929 2021-05-12 Jakub Jelinek <jakub@redhat.com>
11931 PR middle-end/100508
11932 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
11933 type, don't reuse DECL_RTL if it has different mode, instead force
11934 creation of a new DEBUG_EXPR.
11936 2021-05-12 Jakub Jelinek <jakub@redhat.com>
11937 Marc Glisse <marc.glisse@inria.fr>
11939 PR tree-optimization/94589
11940 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
11941 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
11943 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
11946 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
11947 * config/i386/mmx.md (MMXMODE124): New mode iterator.
11949 (mmxintvecmode): New mode attribute.
11950 (mmxintvecmodelower): Ditto.
11951 (*mmx_maskcmpv2sf3_comm): New insn pattern.
11952 (*mmx_maskcmpv2sf3): Ditto.
11953 (vec_cmpv2sfv2si): New expander.
11954 (vcond<V2FI:mode>v2si): Ditto.
11955 (mmx_vlendvps): New insn pattern.
11956 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
11957 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
11958 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
11960 2021-05-11 Martin Sebor <msebor@redhat.com>
11962 PR middle-end/21433
11963 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
11965 2021-05-11 Richard Biener <rguenther@suse.de>
11967 * gimple-fold.c (gimple_fold_call): Do not call
11968 maybe_fold_reference on call arguments or the static chain.
11969 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
11972 2021-05-11 Martin Liska <mliska@suse.cz>
11974 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
11975 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
11976 (DEF_HSAIL_SAT_BUILTIN): Likewise.
11977 (DEF_HSAIL_INTR_BUILTIN): Likewise.
11978 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
11979 * doc/frontends.texi: Remove BRIG.
11980 * doc/install.texi: Likewise.
11981 * doc/invoke.texi: Likewise.
11982 * doc/standards.texi: Likewise.
11983 * brig-builtins.def: Removed.
11984 * brig/ChangeLog: Removed.
11985 * brig/Make-lang.in: Removed.
11986 * brig/brig-builtins.h: Removed.
11987 * brig/brig-c.h: Removed.
11988 * brig/brig-lang.c: Removed.
11989 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
11990 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
11991 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
11992 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
11993 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
11994 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
11995 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
11996 * brig/brigfrontend/brig-comment-handler.cc: Removed.
11997 * brig/brigfrontend/brig-control-handler.cc: Removed.
11998 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
11999 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
12000 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
12001 * brig/brigfrontend/brig-function-handler.cc: Removed.
12002 * brig/brigfrontend/brig-function.cc: Removed.
12003 * brig/brigfrontend/brig-function.h: Removed.
12004 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
12005 * brig/brigfrontend/brig-label-handler.cc: Removed.
12006 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
12007 * brig/brigfrontend/brig-machine.c: Removed.
12008 * brig/brigfrontend/brig-machine.h: Removed.
12009 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
12010 * brig/brigfrontend/brig-module-handler.cc: Removed.
12011 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
12012 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
12013 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
12014 * brig/brigfrontend/brig-to-generic.cc: Removed.
12015 * brig/brigfrontend/brig-to-generic.h: Removed.
12016 * brig/brigfrontend/brig-util.cc: Removed.
12017 * brig/brigfrontend/brig-util.h: Removed.
12018 * brig/brigfrontend/brig-variable-handler.cc: Removed.
12019 * brig/brigfrontend/hsa-brig-format.h: Removed.
12020 * brig/brigfrontend/phsa.h: Removed.
12021 * brig/brigspec.c: Removed.
12022 * brig/config-lang.in: Removed.
12023 * brig/gccbrig.texi: Removed.
12024 * brig/lang-specs.h: Removed.
12025 * brig/lang.opt: Removed.
12027 2021-05-11 Richard Biener <rguenther@suse.de>
12030 * ipa-param-manipulation.c
12031 (ipa_param_body_adjustments::modify_call_stmt): Avoid
12032 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
12033 via gimple_call_lhs_ptr.
12035 2021-05-11 Alex Coplan <alex.coplan@arm.com>
12038 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
12039 Avoid emitting CFA adjusts on the sp if we have the fp.
12041 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
12043 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
12044 (VMULD): New iterator.
12045 (VCOND): Handle V4HF and V8HF.
12046 (VCONQ): Fix entry for V2SF.
12047 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
12048 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
12049 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
12050 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
12051 Use a 128-bit vector mode for the indexed operand. Use stype for
12052 the scheduling type.
12054 2021-05-11 Richard Biener <rguenther@suse.de>
12056 * gimple-fold.c (maybe_fold_reference): Only return
12057 is_gimple_min_invariant values.
12059 2021-05-11 Richard Biener <rguenther@suse.de>
12061 PR middle-end/100509
12062 * gimple-fold.c (fold_gimple_assign): Only call
12063 get_symbol_constant_value on register type symbols.
12065 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
12066 Joe Ramsay <joe.ramsay@arm.com>
12069 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
12070 (__arm_vcmpneq): Remove duplicate definition.
12071 (__arm_vstrwq_scatter_offset_p): Likewise.
12072 (__arm_vmaxq_x): Likewise.
12073 (__arm_vmlsdavaq): Likewise.
12074 (__arm_vmlsdavaxq): Likewise.
12075 (__arm_vmlsdavq_p): Likewise.
12076 (__arm_vmlsdavxq_p): Likewise.
12077 (__arm_vrmlaldavhaq): Likewise.
12078 (__arm_vstrbq_p): Likewise.
12079 (__arm_vstrbq_scatter_offset): Likewise.
12080 (__arm_vstrbq_scatter_offset_p): Likewise.
12081 (__arm_vstrdq_scatter_offset): Likewise.
12082 (__arm_vstrdq_scatter_offset_p): Likewise.
12083 (__arm_vstrdq_scatter_shifted_offset): Likewise.
12084 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
12086 2021-05-11 Jakub Jelinek <jakub@redhat.com>
12088 PR middle-end/100471
12089 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
12090 is 0, bypass the reduction loop including
12091 GOMP_taskgroup_reduction_unregister call.
12093 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
12095 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
12096 costing_for_scalar.
12097 (rs6000_density_test): Early return if costing_for_scalar is true.
12098 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
12100 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
12102 * doc/tm.texi: Regenerated.
12103 * target.def (init_cost): Add new parameter costing_for_scalar.
12104 * targhooks.c (default_init_cost): Adjust for new parameter.
12105 * targhooks.h (default_init_cost): Likewise.
12106 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
12107 (vect_compute_single_scalar_iteration_cost): Likewise.
12108 (vect_analyze_loop_2): Likewise.
12109 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
12110 (vect_bb_vectorization_profitable_p): Likewise.
12111 * tree-vectorizer.h (init_cost): Likewise.
12112 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
12113 * config/i386/i386.c (ix86_init_cost): Likewise.
12114 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
12116 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
12118 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
12119 vect_nonmem and moved into...
12120 (struct rs6000_cost_data): ...here.
12121 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
12122 (rs6000_add_stmt_cost): Likewise.
12123 (rs6000_finish_cost): Likewise.
12125 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
12127 * range-op.cc (get_bool_state): Adjust head comment.
12128 (operator_not_equal::op1_range): Fix comment.
12129 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
12131 2021-05-10 Martin Sebor <msebor@redhat.com>
12133 PR middle-end/100425
12134 PR middle-end/100510
12135 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
12136 (pass_walloca::xlimit_certain_p): ...to this.
12137 (pass_walloca::gate): Execute for any kind of handled warning.
12138 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
12139 warnings when xlimit_certain_p is set.
12141 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
12143 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
12144 Return ALTIVEC_REGS if that is best_class.
12145 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
12147 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12149 * config/arm/arm.h (CPP_SPEC): Remove error message about
12152 2021-05-10 Martin Jambor <mjambor@suse.cz>
12154 * ipa-prop.h (IPA_NODE_REF): Removed.
12155 (IPA_NODE_REF_GET_CREATE): Likewise.
12156 (IPA_EDGE_REF): Likewise.
12157 (IPA_EDGE_REF_GET_CREATE): Likewise.
12158 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
12159 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
12160 use of ipa_node_params_sum.
12161 (ipcp_versionable_function_p): Likewise.
12162 (push_node_to_stack): Likewise.
12163 (pop_node_from_stack): Likewise.
12164 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
12165 direct use of ipa_node_params_sum.
12166 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
12167 ipa_node_params_sum.
12168 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
12170 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
12171 use of ipa_node_params_sum.
12172 (self_recursively_generated_p): Likewise.
12173 (propagate_scalar_across_jump_function): Likewise.
12174 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
12175 direct use of ipa_edge_args_sum, moved the lookup after the early
12176 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
12177 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
12178 direct uses of ipa_node_params_sum.
12179 (propagate_vr_across_jump_function): Likewise.
12180 (propagate_aggregate_lattice): Likewise.
12181 (propagate_aggs_across_jump_function): Likewise.
12182 (propagate_constants_across_call): Likewise, also replaced
12183 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
12184 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
12185 of ipa_node_params_sum.
12186 (estimate_local_effects): Likewise.
12187 (add_all_node_vals_to_toposort): Likewise.
12188 (propagate_constants_topo): Likewise.
12189 (ipcp_propagate_stage): Likewise.
12190 (ipcp_discover_new_direct_edges): Likewise.
12191 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
12192 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
12193 (get_info_about_necessary_edges): Likewise.
12194 (want_remove_some_param_p): Likewise.
12195 (create_specialized_node): Likewise.
12196 (self_recursive_pass_through_p): Likewise.
12197 (self_recursive_agg_pass_through_p): Likewise.
12198 (find_more_scalar_values_for_callers_subset): Likewise and also
12199 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
12200 case replacing two of those with a single query.
12201 (find_more_contexts_for_caller_subset): Likewise for the
12202 ipa_polymorphic_call_context overload.
12203 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
12204 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
12205 ipa_node_params_sum.
12206 (find_aggregate_values_for_callers_subset): Likewise, also reusing
12207 results of ipa_edge_args_sum->get.
12208 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
12209 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
12210 direct use of ipa_edge_args_sum.
12211 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
12212 summary query after the early exit and reused the result later.
12213 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
12214 ipa_node_params_sum.
12215 (decide_whether_version_node): Likewise. Removed re-querying for
12216 summaries after cloning.
12217 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
12218 ipa_node_params_sum.
12219 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
12221 (identify_dead_nodes): Likewise.
12222 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
12223 ipa_node_params_sum.
12224 (ipcp_store_vr_results): Likewise.
12225 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
12226 (ipa_fn_summary_t::duplicate): Likewise.
12227 (analyze_function_body): Likewise.
12228 (estimate_calls_size_and_time): Likewise.
12229 (ipa_cached_call_context::duplicate_from): Likewise.
12230 (ipa_call_context::equal_to): Likewise.
12231 (remap_edge_params): Likewise.
12232 (ipa_merge_fn_summary_after_inlining): Likewise.
12233 (inline_read_section): Likewise.
12234 * ipa-icf.c (sem_function::param_used_p): Likewise.
12235 * ipa-modref.c (compute_parm_map): Likewise.
12236 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
12238 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
12239 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
12241 * ipa-profile.c (check_argument_count): Likewise.
12242 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
12243 with a direct use of ipa_node_params_sum.
12244 (ipa_initialize_node_params): Likewise.
12245 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
12246 direct use of ipa_edge_args_sum and reused the query result.
12247 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
12248 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
12249 direct use of ipa_edge_args_sum.
12250 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
12251 ipa_node_params_sum and reused the result of the query.
12252 (ipa_analyze_node): Likewise.
12253 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
12254 of ipa_node_params_sum.
12255 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
12256 direct uses of ipa_edge_args_sum.
12257 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
12258 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
12259 direct use of ipa_edge_args_sum. Removed superficial re-querying the
12261 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
12262 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
12264 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
12265 direct use of ipa_edge_args_sum.
12266 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
12267 use of ipa_node_params_sum.
12268 (ipa_print_node_params): Likewise.
12269 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
12270 direct uses of ipa_edge_args_sum.
12271 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
12273 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
12274 ipa_node_params_sum.
12275 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
12276 scopes where it is used.
12278 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
12280 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
12281 <case E_V2SImode>: Force op_true to register.
12283 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12285 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
12286 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
12287 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
12289 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
12290 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
12291 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
12292 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
12293 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
12294 (mve_vcmpneq_n_f<mode>): Remove.
12295 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
12296 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
12297 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
12299 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12301 * config/arm/iterators.md (MVE_COMPARISONS): New.
12303 (mve_cmp_type): New.
12304 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
12306 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
12307 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
12308 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
12309 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
12310 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
12311 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
12312 (mve_vcmpneq_n_<mode>): Remove.
12314 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12316 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
12317 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
12318 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
12321 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12323 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
12324 (vcmpneq_n_u): Likewise.
12325 (vcmpeqq_u,): Likewise.
12326 (vcmpeqq_n_u): Likewise.
12327 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
12328 VCMPEQQ_N_U and VCMPNEQ_N_U.
12329 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
12330 (mve_vcmpeqq_n): Likewise.
12331 (mve_vcmpeqq): Likewise.
12332 (mve_vcmpneq_n): Likewise.
12334 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
12336 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
12337 the 's' version of the builtin.
12339 2021-05-10 Richard Biener <rguenther@suse.de>
12341 PR tree-optimization/100492
12342 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
12343 Find nothing when the loop contains an irreducible region.
12345 2021-05-10 Richard Biener <rguenther@suse.de>
12347 PR middle-end/100464
12349 * gimple-fold.c (canonicalize_constructor_val): Do not set
12352 2021-05-10 Richard Biener <rguenther@suse.de>
12354 PR tree-optimization/100434
12355 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
12357 (dse_optimize_stmt): Handle call LHS by dropping the
12358 LHS or the whole call if it doesn't have other
12360 (pass_dse::execute): Adjust.
12362 2021-05-10 Martin Liska <mliska@suse.cz>
12364 * Makefile.in: Add missing genversion rule.
12366 2021-05-10 Alex Coplan <alex.coplan@arm.com>
12369 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
12370 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
12372 2021-05-10 Martin Liska <mliska@suse.cz>
12374 * builtins.c (is_builtin_name): Use startswith
12375 function instead of strncmp.
12376 * collect2.c (main): Likewise.
12377 (has_lto_section): Likewise.
12378 (scan_libraries): Likewise.
12379 * coverage.c (coverage_checksum_string): Likewise.
12380 (coverage_init): Likewise.
12381 * dwarf2out.c (is_cxx): Likewise.
12382 (gen_compile_unit_die): Likewise.
12383 * gcc-ar.c (main): Likewise.
12384 * gcc.c (init_spec): Likewise.
12385 (read_specs): Likewise.
12386 (execute): Likewise.
12387 (check_live_switch): Likewise.
12388 * genattrtab.c (write_attr_case): Likewise.
12389 (IS_ATTR_GROUP): Likewise.
12390 * gencfn-macros.c (main): Likewise.
12391 * gengtype.c (type_for_name): Likewise.
12392 (gen_rtx_next): Likewise.
12393 (get_file_langdir): Likewise.
12394 (write_local): Likewise.
12395 * genmatch.c (get_operator): Likewise.
12396 (get_operand_type): Likewise.
12397 (expr::gen_transform): Likewise.
12398 * genoutput.c (validate_optab_operands): Likewise.
12399 * incpath.c (add_sysroot_to_chain): Likewise.
12400 * langhooks.c (lang_GNU_C): Likewise.
12401 (lang_GNU_CXX): Likewise.
12402 (lang_GNU_Fortran): Likewise.
12403 (lang_GNU_OBJC): Likewise.
12404 * lto-wrapper.c (run_gcc): Likewise.
12405 * omp-general.c (omp_max_simt_vf): Likewise.
12406 * omp-low.c (omp_runtime_api_call): Likewise.
12407 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
12408 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
12409 * real.c (real_from_string): Likewise.
12410 * selftest.c (assert_str_startswith): Likewise.
12411 * timevar.c (timer::validate_phases): Likewise.
12412 * tree.c (get_file_function_name): Likewise.
12413 * ubsan.c (ubsan_use_new_style_p): Likewise.
12414 * varasm.c (default_function_rodata_section): Likewise.
12415 (incorporeal_function_p): Likewise.
12416 (default_section_type_flags): Likewise.
12417 * system.h (startswith): Define startswith.
12419 2021-05-10 Martin Liska <mliska@suse.cz>
12421 * bitmap.h (class auto_bitmap): Remove
12422 __cplusplus >= 201103.
12423 * config/aarch64/aarch64.c: Likewise.
12424 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
12426 * sbitmap.h: Likewise.
12428 2021-05-10 Martin Liska <mliska@suse.cz>
12430 * Makefile.in: Rename gcov-iov to genversion and depend
12431 on version.h (instead of gcov-iov.h).
12432 * gcov-io.h: Include version.h instread of gcov-iov.h.
12433 * gengtype-state.c (read_state_version): Likewise.
12434 * gcov-iov.c: Moved to...
12435 * genversion.c: ...here.
12436 * lto-streamer.h (LTO_major_version): Define it with
12438 * version.c: Removed.
12439 * version.h: Removed.
12441 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12443 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
12444 * config/arc/simdext.md (VCT): Add predicates for iterator
12447 (voptab): Likewise.
12448 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
12449 (<voptab>v2si3): New patterns.
12451 (reduc_plus_scal_v4hi): Likewise.
12452 (reduc_plus_scal_v2si): Likewise.
12453 (vec_duplicatev2si): Likewise.
12454 (vec_duplicatev4hi): Likewise.
12456 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12458 * config/arc/simdext.md: Format and cleanup file.
12460 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12462 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
12463 only when munaligned-access option is on.
12464 (movmisalign<mode>): Likewise.
12466 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12468 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
12470 * config/arc/arc.c (arc_reorg): Remove underscore from string.
12472 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12474 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
12475 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
12476 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
12477 (norm_f): Likewise.
12480 (clzsi2): Use fls instruction when available.
12481 (arc_clzsi2): Likewise.
12483 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12485 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
12487 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
12489 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
12491 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
12493 PR middle-end/100467
12494 * toplev.c (compile_file): Call insn_locations_init before
12495 targetm.asm_out.code_end.
12497 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
12500 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
12502 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
12504 2021-05-07 Jakub Jelinek <jakub@redhat.com>
12505 Andrew Stubbs <amd@codesourcery.com>
12508 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
12509 emit_move_insn operands.
12511 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
12513 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
12514 location for the outgoing edges of an empty block.
12515 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
12516 type by means of the get_array_descr_info langhook, if it is set and
12517 returns true. Remove obsolete code dealing with unnamed subtypes.
12519 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12521 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
12522 (sbr_vector): Renamed from ssa_block_cache.
12523 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
12524 (ssa_block_ranges::~ssa_block_ranges): Remove.
12525 (sbr_vector::set_bb_range): Use varying and undefined cached values.
12526 (ssa_block_ranges::set_bb_varying): Remove.
12527 (sbr_vector::get_bb_range): Adjust assert.
12528 (sbr_vector::bb_range_p): Adjust assert.
12529 (~block_range_cache): No freeing loop required.
12530 (block_range_cache::get_block_ranges): Remove.
12531 (block_range_cache::set_bb_range): Inline get_block_ranges.
12532 (block_range_cache::set_bb_varying): Remove.
12533 * gimple-range-cache.h (set_bb_varying): Remove prototype.
12534 * value-range.h (irange_allocator::get_memory): New.
12536 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12538 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
12539 dominator tree is available and requested.
12540 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
12541 (ranger_cache::fill_block_cache): Don't search dom tree here either.
12542 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
12544 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12546 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
12547 only PHI nodes better.
12549 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12551 * gimple-range-edge.h (gimple_outgoing_range): Rename from
12553 (gcond_edge_range): Export prototype.
12554 * gimple-range-edge.cc (gcond_edge_range): New.
12555 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
12556 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
12558 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12560 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
12561 default range into a temp and allocate only what is needed.
12563 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12565 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
12567 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
12569 * gimple-range.h (gimple_range_global): Pick up parameter initial
12570 values, and use-before defined locals are UNDEFINED.
12572 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
12574 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
12576 * tree.h (reverse_storage_order_for_component_p): Return false if
12577 the type is a pointer.
12579 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
12581 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
12583 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
12586 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
12587 Handle V8QI, V4HI and V2SI modes.
12588 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
12589 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
12590 * config/i386/i386.md (unspec): ... here.
12592 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
12593 Tom de Vries <tdevries@suse.de>
12595 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
12596 a truth_value_p reduction variable is nonintegral.
12598 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
12601 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
12602 Return false for mode sizes < 16.
12604 2021-05-07 Jakub Jelinek <jakub@redhat.com>
12607 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
12609 2021-05-06 Martin Jambor <mjambor@suse.cz>
12611 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
12612 when there is no function summary.
12613 (ipa_sra_summarize_function): produce edge summaries even when
12616 2021-05-06 Tom Tromey <tom@tromey.com>
12618 * godump.c (string_hash_eq): Remove.
12619 (go_finish): Use htab_eq_string.
12621 2021-05-06 Tom Tromey <tom@tromey.com>
12623 * gengtype-state.c (read_state): Use htab_eq_string.
12624 (string_eq): Remove.
12626 2021-05-06 Tom Tromey <tom@tromey.com>
12628 * gensupport.c (htab_eq_string): Remove.
12630 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
12633 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
12634 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
12635 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
12636 set_ignored_loc callbacks.
12637 * debug.c (do_nothing_debug_hooks): Likewise.
12638 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
12639 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
12640 (in_text_section_p, last_text_label, last_cold_label,
12641 switch_text_ranges, switch_cold_ranges): New data items.
12642 (dwarf2out_note_section_used): Remove.
12643 (dwarf2out_begin_prologue): Set fde->ignored_debug and
12645 (mark_ignored_debug_section): New helper function.
12646 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
12647 mark_ignored_debug_section.
12648 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
12649 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
12650 (size_of_aranges): Adjust formula for multi-part text ranges size.
12651 (output_aranges): Output multi-part text ranges.
12652 (dwarf2out_set_ignored_loc): New callback function.
12653 (dwarf2out_finish): Output multi-part text ranges.
12654 (dwarf2out_c_finalize): Clear new data items.
12655 * final.c (final_start_function_1): Call set_ignored_loc callback.
12656 (final_scan_insn_1): Likewise.
12657 * ggc-page.c (gt_ggc_mx): New helper function.
12658 * stringpool.c (gt_pch_nx): Likewise.
12660 2021-05-06 Richard Biener <rguenther@suse.de>
12662 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
12663 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
12664 (TV_TREE_INTO_SSA): New.
12665 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
12666 (rewrite_blocks): Likewise.
12667 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
12669 2021-05-06 Jakub Jelinek <jakub@redhat.com>
12671 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
12672 abs_replacement, xor_replacement,
12673 cond_removal_in_popcount_clz_ctz_pattern,
12674 replace_phi_edge_with_variable): Change type of phi argument from
12675 gimple * to gphi *.
12677 2021-05-06 Richard Biener <rguenther@suse.de>
12679 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
12680 Output an opt-info message.
12681 (do_split_loop_on_cond): Likewise.
12682 (tree_ssa_split_loops): Update SSA form here.
12684 2021-05-06 Richard Biener <rguenther@suse.de>
12686 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
12687 return variable removal.
12689 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
12691 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
12692 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
12693 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
12695 * config/s390/s390.c (s390_const_operand_ok): Remove unused
12698 2021-05-06 Jakub Jelinek <jakub@redhat.com>
12700 PR tree-optimization/94589
12701 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
12702 spaceship_replacement.
12703 (cond_only_block_p, spaceship_replacement): New functions.
12705 2021-05-06 Richard Biener <rguenther@suse.de>
12708 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
12709 dealing with a debug use and only query existing addresses
12711 (lower_emutls_1): Avoid splitting out addresses for debug
12712 stmts, reset the debug stmt when we fail to find existing
12714 (lower_emutls_phi_arg): Set wi.stmt.
12716 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
12719 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
12720 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
12721 (stack_protect_test): Use cbranch helper.
12723 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12726 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
12727 always return the establisher frame for __builtin_frame_address (0).
12729 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
12732 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
12733 (ix86_cpu_model_var): Likewise.
12734 (ix86_cpu_features2_type_node): Likewise.
12735 (ix86_cpu_features2_var): Likewise.
12736 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
12739 2021-05-05 Martin Sebor <msebor@redhat.com>
12741 * passes.def (pass_warn_printf): Run after SSA.
12743 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
12745 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
12746 * config/arm/predicates.md (minus_one_operand): New predicate.
12748 2021-05-05 Jeff Law <jlaw@tachyum.com>
12750 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
12752 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
12754 PR rtl-optimization/100263
12755 * postreload.c (move2add_valid_value_p): Ensure register can
12758 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12760 PR rtl-optimization/100411
12761 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
12762 and beginning of function markers.
12764 2021-05-05 Jeff Law <jlaw@tachyum.com>
12766 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
12767 * config/cr16/cr16.c (notice_update_cc): Remove.
12768 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
12770 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
12773 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
12774 Handle V8QI, V4HI and V2SI modes.
12775 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
12776 (ix86_build_signbit_mask): Ditto.
12777 * config/i386/mmx.md (MMXMODE14): New mode iterator.
12778 (<smaxmin:code><MMXMODE14:mode>3): New expander.
12779 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
12780 (<umaxmin:code><MMXMODE24:mode>3): New expander.
12781 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
12782 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
12783 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12784 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12785 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12786 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
12788 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
12790 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
12791 not expand the VALUE_EXPR of variables put in the non-local frame.
12792 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
12793 to be ignored for debug info, ensure its variable offsets are not.
12795 2021-05-05 Richard Biener <rguenther@suse.de>
12797 PR tree-optimization/79333
12798 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
12799 Fold stmt following SSA edges.
12801 2021-05-05 Richard Biener <rguenther@suse.de>
12803 PR middle-end/100394
12804 * calls.c (expand_call): Preserve possibly throwing calls.
12805 * cfgexpand.c (expand_call_stmt): When a call can throw signal
12806 RTL expansion there are side-effects.
12807 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
12808 mark all possibly throwing stmts necessary unless we can elide
12810 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
12811 -fdelete-dead-exceptions.
12812 * tree.h (DECL_PURE_P): Add note about exceptions.
12814 2021-05-05 Alexandre Oliva <oliva@adacore.com>
12816 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
12819 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
12821 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
12822 get_fnname_from_decl for name of thunk.
12823 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
12824 and ASM_OUTPUT_LABEL.
12825 (rs6000_xcoff_declare_function_name): Use assemble_name and
12827 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
12828 (rs6000_xcoff_encode_section_info): Don't add mapping class
12829 for aliases. Always add [DS] mapping class to primary
12831 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
12833 2021-05-04 Martin Sebor <msebor@redhat.com>
12835 PR middle-end/100307
12836 * builtins.c (compute_objsize_r): Clear base0 for pointers.
12838 2021-05-04 Jeff Law <jlaw@tachyum.com>
12840 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
12842 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
12844 * caller-save.c: Remove CC0.
12845 * cfgcleanup.c: Remove CC0.
12846 * cfgrtl.c: Remove CC0.
12847 * combine.c: Remove CC0.
12848 * compare-elim.c: Remove CC0.
12849 * conditions.h: Remove CC0.
12850 * config/h8300/h8300.h: Remove CC0.
12851 * config/h8300/h8300-protos.h: Remove CC0.
12852 * config/h8300/peepholes.md: Remove CC0.
12853 * config/i386/x86-tune-sched.c: Remove CC0.
12854 * config/m68k/m68k.c: Remove CC0.
12855 * config/rl78/rl78.c: Remove CC0.
12856 * config/sparc/sparc.c: Remove CC0.
12857 * config/xtensa/xtensa.c: Remove CC0.
12858 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
12859 RTL where that is used as a placeholder only.
12860 * cprop.c: Remove CC0.
12861 * cse.c: Remove CC0.
12862 * cselib.c: Remove CC0.
12863 * df-problems.c: Remove CC0.
12864 * df-scan.c: Remove CC0.
12865 * doc/md.texi: Remove CC0. Adjust an example.
12866 * doc/rtl.texi: Remove CC0. Adjust an example.
12867 * doc/tm.texi: Regenerate.
12868 * doc/tm.texi.in: Remove CC0.
12869 * emit-rtl.c: Remove CC0.
12870 * final.c: Remove CC0.
12871 * fwprop.c: Remove CC0.
12872 * gcse-common.c: Remove CC0.
12873 * gcse.c: Remove CC0.
12874 * genattrtab.c: Remove CC0.
12875 * genconfig.c: Remove CC0.
12876 * genemit.c: Remove CC0.
12877 * genextract.c: Remove CC0.
12878 * gengenrtl.c: Remove CC0.
12879 * genrecog.c: Remove CC0.
12880 * haifa-sched.c: Remove CC0.
12881 * ifcvt.c: Remove CC0.
12882 * ira-costs.c: Remove CC0.
12883 * ira.c: Remove CC0.
12884 * jump.c: Remove CC0.
12885 * loop-invariant.c: Remove CC0.
12886 * lra-constraints.c: Remove CC0.
12887 * lra-eliminations.c: Remove CC0.
12888 * optabs.c: Remove CC0.
12889 * postreload-gcse.c: Remove CC0.
12890 * postreload.c: Remove CC0.
12891 * print-rtl.c: Remove CC0.
12892 * read-rtl-function.c: Remove CC0.
12893 * reg-notes.def: Remove CC0.
12894 * reg-stack.c: Remove CC0.
12895 * reginfo.c: Remove CC0.
12896 * regrename.c: Remove CC0.
12897 * reload.c: Remove CC0.
12898 * reload1.c: Remove CC0.
12899 * reorg.c: Remove CC0.
12900 * resource.c: Remove CC0.
12901 * rtl.c: Remove CC0.
12902 * rtl.def: Remove CC0.
12903 * rtl.h: Remove CC0.
12904 * rtlanal.c: Remove CC0.
12905 * sched-deps.c: Remove CC0.
12906 * sched-rgn.c: Remove CC0.
12907 * shrink-wrap.c: Remove CC0.
12908 * simplify-rtx.c: Remove CC0.
12909 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
12910 CC_STATUS_MDEP, and CC_STATUS.
12911 * target.def: Remove CC0.
12912 * valtrack.c: Remove CC0.
12913 * var-tracking.c: Remove CC0.
12915 2021-05-04 Richard Biener <rguenther@suse.de>
12917 PR tree-optimization/100414
12918 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
12920 (tree_ssa_phiopt_worker): But unconditionally here.
12922 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
12924 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
12925 && and || with floating-point and complex arguments.
12927 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
12929 * tree-inline.c (insert_debug_decl_map): Delete.
12930 (copy_debug_stmt): Minor tweak.
12931 (setup_one_parameter): Do not use a variable if the value is either
12932 a read-only DECL or a non-addressable local variable in the caller.
12933 In this case, insert the debug-only variable in the map manually.
12934 (expand_call_inline): Do not generate a CLOBBER for these values.
12935 * tree-inline.h (debug_map): Minor tweak.
12937 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
12939 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
12940 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
12942 2021-05-04 Richard Biener <rguenther@suse.de>
12944 PR tree-optimization/100329
12945 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
12947 (insert_stmt_after): Assert we're not running into asm goto.
12949 2021-05-04 Richard Biener <rguenther@suse.de>
12951 PR tree-optimization/100398
12952 * tree-ssa-dse.c (pass_dse::execute): Preserve control
12955 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
12957 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
12959 2021-05-04 Alexandre Oliva <oliva@adacore.com>
12961 * builtins.c (try_store_by_multiple_pieces): New.
12962 (expand_builtin_memset_args): Use it. If target_char_cast
12963 fails, proceed as for non-constant val. Pass len's ctz to...
12964 * expr.c (clear_storage_hints): ... this. Try store by
12965 multiple pieces after setmem.
12966 (clear_storage): Adjust.
12967 * expr.h (clear_storage_hints): Likewise.
12968 (try_store_by_multiple_pieces): Declare.
12969 * passes.def: Replace the last copy_prop with ccp.
12971 2021-05-03 Tom de Vries <tdevries@suse.de>
12974 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
12977 2021-05-03 Richard Biener <rguenther@suse.de>
12979 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
12981 2021-05-03 Richard Biener <rguenther@suse.de>
12983 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
12984 (dse_dom_walker): Remove.
12985 (dse_dom_walker::dse_optimize_stmt): Rename...
12986 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
12987 (dse_dom_walker::before_dom_children): Inline ...
12988 (pass_dse::execute): ... here. Perform a reverse program
12991 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
12994 * configure: Regenerated.
12996 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
12999 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
13000 (s390_md_asm_adjust): Handle hard registers.
13002 2021-05-03 Jakub Jelinek <jakub@redhat.com>
13004 PR tree-optimization/100382
13005 * tree-ssa-dse.c: Include tree-eh.h.
13006 (dse_dom_walker::before_dom_children): Don't remove stmts if
13007 stmt_unremovable_because_of_non_call_eh_p is true.
13009 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
13011 * varasm.c (compute_reloc_for_var): Split out from...
13012 (get_variable_section): Use it.
13013 * output.h (compute_reloc_for_var): Declare.
13014 * config/rs6000/rs6000-protos.h
13015 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
13017 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
13018 Don't append storage mapping class to symbol.
13019 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
13020 Don't convert TLS BSS to common.
13021 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
13022 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
13024 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
13026 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
13027 If align is 0 from TLS class, use the same rules as varasm.c
13028 If not common, switch to BSS section manually.
13029 If common, emit appropriate comm or lcomm directive.
13030 (rs6000_xcoff_encode_section_info): Add logic to append all
13031 storage mapping classes.
13032 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
13033 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
13034 rs6000_xcoff_asm_output_aligned_decl_common.
13035 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
13036 rs6000_xcoff_asm_output_aligned_decl_common.
13037 (ASM_OUTPUT_TLS_COMMON): Use
13038 rs6000_xcoff_asm_output_aligned_decl_common.
13040 2021-05-02 Jakub Jelinek <jakub@redhat.com>
13043 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
13044 as first argument of pseudo_node_t constructors.
13046 2021-05-02 Jakub Jelinek <jakub@redhat.com>
13049 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
13051 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
13053 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
13054 (gt_pch_nx (int_range<1> *&)): New.
13055 (gt_ggc_mx (int_range<1> *&)): New.
13056 * value-range.h (class irange): Add GTY support for
13059 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
13061 * doc/options.texi (Negative): Change either or to both and.
13063 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
13065 * config/aarch64/aarch64-simd-builtins.def: Add
13066 float_ml[as][q]_laneq builtin generator macros.
13067 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
13068 (aarch64_float_mla_laneq<mode>): Define.
13069 (aarch64_float_mls_laneq<mode>): Define.
13070 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
13071 instead of GCC vector extensions.
13072 (vmlaq_laneq_f32): Likewise.
13073 (vmls_laneq_f32): Likewise.
13074 (vmlsq_laneq_f32): Likewise.
13076 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
13078 * config/aarch64/aarch64-simd-builtins.def: Add
13079 float_ml[as]_lane builtin generator macros.
13080 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
13082 (mul_lane<mode>3): This, and re-order arguments.
13083 (aarch64_float_mla_lane<mode>): Define.
13084 (aarch64_float_mls_lane<mode>): Define.
13085 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
13086 instead of GCC vector extensions.
13087 (vmlaq_lane_f32): Likewise.
13088 (vmls_lane_f32): Likewise.
13089 (vmlsq_lane_f32): Likewise.
13091 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
13093 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
13094 builtin generator macros.
13095 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
13097 (aarch64_float_mls<mode>): Define.
13098 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
13099 instead of relying on GCC vector extensions.
13100 (vmla_f64): Likewise.
13101 (vmlaq_f32): Likewise.
13102 (vmlaq_f64): Likewise.
13103 (vmls_f32): Likewise.
13104 (vmls_f64): Likewise.
13105 (vmlsq_f32): Likewise.
13106 (vmlsq_f64): Likewise.
13107 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
13109 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
13111 * config/aarch64/aarch64-simd-builtins.def: Add
13112 float_ml[as]_n_builtin generator macros.
13113 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
13115 (mul_n<mode>3): This, and re-order arguments.
13116 (aarch64_float_mla_n<mode>): Define.
13117 (aarch64_float_mls_n<mode>): Define.
13118 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
13119 instead of inline asm.
13120 (vmlaq_n_f32): Likewise.
13121 (vmls_n_f32): Likewise.
13122 (vmlsq_n_f32): Likewise.
13124 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
13126 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
13127 builtin generator macros.
13128 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
13129 (aarch64_pmull_hiv16qi_insn): Define.
13130 (aarch64_pmull_hiv16qi): Define.
13131 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
13132 instead of inline asm.
13133 (vmull_p8): Likewise.
13135 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
13137 * config/avr/avr.md: Adjust peepholes to match and
13138 generate parallels with clobber of REG_CC.
13139 (mov<mode>_insn): Rename to mov<mode>_insn_split.
13140 (*mov<mode>_insn): Rename to mov<mode>_insn.
13142 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
13144 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
13145 for VAR_DECLs if -fdata-sections enabled.
13147 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
13149 PR bootstrap/100327
13150 * config/rs6000/rs6000.c
13151 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
13152 (rs6000_libgcc_floating_mode_supported_p): New target hook.
13154 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
13156 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
13158 (class back_threader_registry): ...to here...
13159 (class back_threader_profitability): ...and here...
13160 (thread_jumps::thread_through_all_blocks): Remove argument.
13161 (back_threader_registry::back_threader_registry): New.
13162 (back_threader_registry::~back_threader_registry): New.
13163 (back_threader_registry::thread_through_all_blocks): New.
13164 (thread_jumps::profitable_jump_thread_path): Move from here...
13165 (back_threader_profitability::profitable_path_p): ...to here.
13166 (thread_jumps::find_taken_edge): New.
13167 (thread_jumps::convert_and_register_current_path): Move...
13168 (back_threader_registry::register_path): ...to here.
13169 (thread_jumps::register_jump_thread_path_if_profitable): Move...
13170 (thread_jumps::maybe_register_path): ...to here.
13171 (thread_jumps::handle_phi): Call find_taken_edge and
13172 maybe_register_path.
13173 (thread_jumps::handle_assignment): Same.
13174 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
13175 tree argument to handle_phi and handle_assignment.
13176 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
13177 set of m_speed_p and m_max_threaded_paths.
13178 (pass_thread_jumps::execute): Remove second argument from
13179 find_jump_threads_backwards.
13180 (pass_early_thread_jumps::execute): Same.
13182 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
13184 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
13185 (class dom_opt_dom_walker): Initialize some class variables.
13186 (pass_dominator::execute): Pass evrp_range_analyzer and
13187 dom_jump_threader_simplifier to dom_opt_dom_walker.
13188 Adjust for some functions moving into classes.
13189 (simplify_stmt_for_jump_threading): Adjust and move to...
13190 (jump_threader_simplifier::simplify): ...here.
13191 (dom_opt_dom_walker::before_dom_children): Adjust for
13192 m_evrp_range_analyzer.
13193 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
13194 (test_for_singularity): Place in dom_opt_dom_walker class.
13195 (dom_opt_dom_walker::optimize_stmt): The argument
13196 evrp_range_analyzer is now a class field.
13197 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
13198 (thread_jumps::thread_through_all_blocks): New.
13199 (thread_jumps::convert_and_register_current_path): Use m_registry.
13200 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
13201 being in the threader class.
13202 (pass_early_thread_jumps::execute): Same.
13203 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
13204 (jump_threader::jump_threader): ...here.
13205 (threadedge_finalize_values): Move...
13206 (jump_threader::~jump_threader): ...here.
13207 (jump_threader::remove_jump_threads_including): New.
13208 (jump_threader::thread_through_all_blocks): New.
13209 (record_temporary_equivalences_from_phis): Move...
13210 (jump_threader::record_temporary_equivalences_from_phis): ...here.
13211 (record_temporary_equivalences_from_stmts_at_dest): Move...
13212 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
13214 (simplify_control_stmt_condition_1): Move to jump_threader class.
13215 (simplify_control_stmt_condition): Move...
13216 (jump_threader::simplify_control_stmt_condition): ...here.
13217 (thread_around_empty_blocks): Move...
13218 (jump_threader::thread_around_empty_blocks): ...here.
13219 (thread_through_normal_block): Move...
13220 (jump_threader::thread_through_normal_block): ...here.
13221 (thread_across_edge): Move...
13222 (jump_threader::thread_across_edge): ...here.
13223 (thread_outgoing_edges): Move...
13224 (jump_threader::thread_outgoing_edges): ...here.
13225 * tree-ssa-threadedge.h: Move externally facing functings...
13226 (class jump_threader): ...here...
13227 (class jump_threader_simplifier): ...and here.
13228 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
13229 (jump_thread_path_allocator::jump_thread_path_allocator): New.
13230 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
13231 (jump_thread_path_allocator::allocate_thread_edge): New.
13232 (jump_thread_path_allocator::allocate_thread_path): New.
13233 (jump_thread_path_registry::jump_thread_path_registry): New.
13234 (jump_thread_path_registry::~jump_thread_path_registry): New.
13235 (jump_thread_path_registry::allocate_thread_edge): New.
13236 (jump_thread_path_registry::allocate_thread_path): New.
13237 (dump_jump_thread_path): Make extern.
13238 (debug (const vec<jump_thread_edge *> &path)): New.
13239 (struct removed_edges): Move to tree-ssa-threadupdate.h.
13240 (struct thread_stats_d): Remove.
13241 (remove_ctrl_stmt_and_useless_edges): Make static.
13242 (lookup_redirection_data): Move...
13243 (jump_thread_path_registry::lookup_redirection_data): ...here.
13244 (ssa_redirect_edges): Make static.
13245 (thread_block_1): Move...
13246 (jump_thread_path_registry::thread_block_1): ...here.
13247 (thread_block): Move...
13248 (jump_thread_path_registry::thread_block): ...here.
13249 (thread_through_loop_header): Move...
13250 (jump_thread_path_registry::thread_through_loop_header): ...here.
13251 (mark_threaded_blocks): Move...
13252 (jump_thread_path_registry::mark_threaded_blocks): ...here.
13253 (debug_path): Move...
13254 (jump_thread_path_registry::debug_path): ...here.
13255 (debug_all_paths): Move...
13256 (jump_thread_path_registry::dump): ..here.
13257 (rewire_first_differing_edge): Move...
13258 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
13259 (adjust_paths_after_duplication): Move...
13260 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
13261 (duplicate_thread_path): Move...
13262 (jump_thread_path_registry::duplicate_thread_path): ..here.
13263 (remove_jump_threads_including): Move...
13264 (jump_thread_path_registry::remove_jump_threads_including): ...here.
13265 (thread_through_all_blocks): Move to...
13266 (jump_thread_path_registry::thread_through_all_blocks): ...here.
13267 (delete_jump_thread_path): Remove.
13268 (register_jump_thread): Move...
13269 (jump_thread_path_registry::register_jump_thread): ...here.
13270 * tree-ssa-threadupdate.h: Move externally facing functions...
13271 (class jump_thread_path_allocator): ...here...
13272 (class jump_thread_path_registry): ...and here.
13273 (thread_through_all_blocks): Remove.
13274 (struct removed_edges): New.
13275 (register_jump_thread): Remove.
13276 (remove_jump_threads_including): Remove.
13277 (delete_jump_thread_path): Remove.
13278 (remove_ctrl_stmt_and_useless_edges): Remove.
13279 (free_dom_edge_info): New prototype.
13280 * tree-vrp.c: Remove x_vr_values hack.
13281 (class vrp_jump_threader_simplifier): New.
13282 (vrp_jump_threader_simplifier::simplify): New.
13283 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
13284 Remove m_dummy_cond.
13285 Instantiate m_simplifier and m_threader.
13286 (vrp_jump_threader::thread_through_all_blocks): New.
13287 (vrp_jump_threader::simplify_stmt): Remove.
13288 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
13289 Remove x_vr_values hack.
13290 (execute_vrp): Adjust for thread_through_all_blocks being in a
13293 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
13295 * genflags.c (gen_insn): Print failed expansion string.
13297 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
13299 * expr.c (alignment_for_piecewise_move): Call mode_for_size
13300 without limit to MAX_FIXED_MODE_SIZE.
13302 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
13304 PR middle-end/90773
13305 * builtins.c (builtin_memset_gen_str): Don't use return from
13306 simplify_gen_subreg.
13308 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
13311 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
13312 (*addsi3_carry_zext_0r): Ditto.
13313 (*sub<mode>3_carry_0): Ditto.
13314 (*subsi3_carry_zext_0r): Ditto.
13315 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
13317 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
13318 Also consider ix86_carry_flag_unset_operator to calculate
13319 the cost of adc/sbb insn.
13321 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
13323 PR rtl-optimization/100225
13324 PR rtl-optimization/84878
13325 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
13326 where we have an instruction which touches (writes) any hard
13327 register from df->regular_block_artificial_uses set.
13328 Allow not-single-set instruction only right before basic block
13331 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
13333 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
13335 2021-04-30 LevyHsu <admin@levyhsu.com>
13337 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
13338 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
13339 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
13340 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
13342 2021-04-29 Alexandre Oliva <oliva@adacore.com>
13344 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
13346 2021-04-29 Alexandre Oliva <oliva@adacore.com>
13348 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
13349 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
13350 * config/i386/i386.c: Adjust.
13351 * config/i386/i386.md: Adjust.
13352 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
13353 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13354 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13355 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13356 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13357 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13358 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13359 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13360 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13361 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13362 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
13364 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
13366 * config/i386/i386-expand.c (ix86_expand_int_compare):
13367 Swap operands of GTU and LEU comparison to emit carry flag comparison.
13368 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
13369 predicate to allow more combine opportunities with memory operands.
13370 (*sub<mode>3_carry_0): Ditto.
13372 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
13374 PR rtl-optimization/100303
13375 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
13376 boolean that indicates whether the use will only be used in
13377 debug instructions. Treat it in the same way that existing
13378 cross-EBB debug references would be handled if so.
13379 (function_info::make_uses_available): Likewise.
13380 * rtl-ssa/functions.h (function_info::make_uses_available): Update
13381 prototype accordingly.
13382 (function_info::make_uses_available): Likewise.
13383 * fwprop.c (try_fwprop_subst): Update call accordingly.
13385 2021-04-29 Jeff Law <jlaw@tachyum.com>
13387 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
13390 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
13391 Richard Biener <rguenther@suse.de>
13394 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
13395 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
13396 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
13397 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
13398 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
13399 to PURE_ARGS category.
13400 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
13401 Handle PURE_ARGS category.
13402 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
13404 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
13406 * configure.ac: Check for the presence of sys/locking.h header and
13407 for whether _LK_LOCK is supported by _locking.
13408 * configure: Regenerate.
13409 * config.in: Likewise.
13410 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
13411 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
13412 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
13414 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
13416 * config/i386/predicates.md (fcmov_comparison_operator):
13417 Do not check for trivial FP comparison operator.
13418 <case GEU, case LTU>: Allow CCGZmode.
13419 <case GTU, case LEU>: Do not allow CCCmode.
13420 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
13421 (ix86_carry_flag_operator): Match only LTU and UNLT code.
13422 Do not check for trivial FP comparison operator. Allow CCGZmode.
13424 2021-04-29 Tom de Vries <tdevries@suse.de>
13426 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
13427 fd->loop.step by either step or orig_step.
13429 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
13431 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
13432 (load_got_register): Do the PIC dance here.
13433 (sparc_legitimize_tls_address): Simplify.
13434 (sparc_emit_probe_stack_range): Likewise.
13435 (sparc32_initialize_trampoline): Likewise.
13436 (sparc64_initialize_trampoline): Likewise.
13437 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
13438 (probe_stack_range<P:mode>): Likewise.
13439 (flush<P:mode>): Likewise.
13440 (tgd_hi22<P:mode>): Likewise.
13441 (tgd_lo10<P:mode>): Likewise.
13442 (tgd_add<P:mode>): Likewise.
13443 (tgd_call<P:mode>): Likewise.
13444 (tldm_hi22<P:mode>): Likewise.
13445 (tldm_lo10<P:mode>): Likewise.
13446 (tldm_add<P:mode>): Likewise.
13447 (tldm_call<P:mode>): Likewise.
13448 (tldo_hix22<P:mode>): Likewise.
13449 (tldo_lox10<P:mode>): Likewise.
13450 (tldo_add<P:mode>): Likewise.
13451 (tie_hi22<P:mode>): Likewise.
13452 (tie_lo10<P:mode>): Likewise.
13453 (tie_add<P:mode>): Likewise.
13454 (tle_hix22<P:mode>): Likewise.
13455 (tle_lox10<P:mode>): Likewise.
13456 (stack_protect_setsi): Rename to...
13457 (stack_protect_set32): ...this.
13458 (stack_protect_setdi): Rename to...
13459 (stack_protect_set64): ...this.
13460 (stack_protect_set): Adjust calls to above.
13461 (stack_protect_testsi): Rename to...
13462 (stack_protect_test32): ...this.
13463 (stack_protect_testdi): Rename to...
13464 (stack_protect_test64): ...this.
13465 (stack_protect_test): Adjust calls to above.
13467 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
13469 PR middle-end/90773
13470 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
13471 (builtin_strncpy_read_str): Likewise.
13472 (builtin_memset_read_str): Add an argument for the previous RTL
13473 information and generate the new RTL from the previous RTL info.
13474 (builtin_memset_gen_str): Likewise.
13475 * builtins.h (builtin_strncpy_read_str): Update the prototype.
13476 (builtin_memset_read_str): Likewise.
13477 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
13478 returns true, round up size and alignment to the widest integer
13479 mode for maximum size.
13480 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
13481 and pass it to m_constfn.
13482 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
13483 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
13484 initialize m_push. Initialize m_overlap_op_by_pieces with
13485 targetm.overlap_op_by_pieces_p ().
13486 (op_by_pieces_d::run): Pass the previous RTL information to
13487 pieces_addr::adjust and generate overlapping operations if
13488 m_overlap_op_by_pieces is true.
13490 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
13492 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
13494 (can_store_by_pieces): Use by_pieces_constfn on constfun.
13495 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
13496 for op_by_pieces_d change.
13497 (clear_by_pieces_1): Add a dummy argument.
13498 (clear_by_pieces): Updated for op_by_pieces_d change.
13499 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
13500 (string_cst_read_str): Add a dummy argument.
13501 * expr.h (by_pieces_constfn): Add a dummy argument.
13502 (by_pieces_prev): New.
13503 * target.def (overlap_op_by_pieces_p): New target hook.
13504 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
13505 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
13506 * doc/tm.texi: Regenerated.
13508 2021-04-29 Richard Biener <rguenther@suse.de>
13510 PR tree-optimization/100253
13511 * tree-vect-stmts.c (vectorizable_load): Do not assume
13512 element alignment when DR_MISALIGNMENT is -1.
13513 (vectorizable_store): Likewise.
13515 2021-04-29 Jakub Jelinek <jakub@redhat.com>
13518 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
13519 absu_hwi instead of abs_hwi.
13521 2021-04-29 Richard Biener <rguenther@suse.de>
13523 PR middle-end/38474
13524 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
13525 forwarding when indirect forwarding through ESCAPED
13528 2021-04-29 Tom de Vries <tdevries@suse.de>
13531 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
13532 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
13533 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
13534 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
13536 2021-04-29 Richard Biener <rguenther@suse.de>
13538 PR tree-optimization/99912
13539 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
13540 (dse_dom_walker::todo): Likewise.
13541 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
13543 (dse_dom_walker::before_dom_children): Remove trivially
13544 dead SSA defs and schedule CFG cleanup if we removed all
13546 (pass_dse::execute): Get TODO as computed by the DOM walker
13547 and return it. Wipe dominator info earlier.
13549 2021-04-29 Richard Biener <rguenther@suse.de>
13552 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
13553 Track blocks to cleanup EH in new m_need_eh_cleanup.
13554 (ipcp_modif_dom_walker::cleanup_eh): New.
13555 (ipcp_transform_function): Release dominator info before
13558 2021-04-29 Martin Sebor <msebor@redhat.com>
13560 PR middle-end/100250
13561 * attribs.c (attr_access::array_as_string): Avoid dereferencing
13562 a pointer when it's null.
13564 2021-04-29 Martin Sebor <msebor@redhat.com>
13566 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
13567 * ipa-free-lang-data.cc: New file.
13568 * tree.c: Move pass free_lang_data to file above.
13569 (build_array_type_1): Declare extern.
13570 * tree.h (build_array_type_1): Declare.
13572 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13574 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
13575 make consistent with updated RTL pattern.
13576 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
13577 Implement using ss_truncate and us_truncate rather than
13579 * config/aarch64/iterators.md: Remove redundant unspecs and
13580 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
13582 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13584 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
13585 attributes consistent with those defined in arm_neon.h.
13587 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13589 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
13590 attributes consistent with those defined in arm_neon.h.
13592 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13594 * config/aarch64/aarch64-simd-builtins.def: Add
13595 float_trunc_rodd builtin generator macros.
13596 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
13598 (aarch64_float_trunc_rodd_lo_v2sf): Define.
13599 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
13600 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
13601 (aarch64_float_trunc_rodd_hi_v4sf): Define.
13602 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
13603 instead of inline asm.
13604 (vcvtx_high_f32_f64): Likewise.
13605 (vcvtxd_f32_f64): Likewise.
13606 * config/aarch64/iterators.md: Add FCVTXN unspec.
13608 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13610 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
13612 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
13614 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
13615 instead of inline asm.
13616 (vqtbx1_u8): Likewise.
13617 (vqtbx1_p8): Likewise.
13618 (vqtbx1q_s8): Likewise.
13619 (vqtbx1q_u8): Likewise.
13620 (vqtbx1q_p8): Likewise.
13621 (vtbx2_s8): Likewise.
13622 (vtbx2_u8): Likewise.
13623 (vtbx2_p8): Likewise.
13625 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13627 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
13629 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
13630 instead of inline asm.
13631 (vqtbl1_s8): Likewise.
13632 (vqtbl1_u8): Likewise.
13633 (vqtbl1q_p8): Likewise.
13634 (vqtbl1q_s8): Likewise.
13635 (vqtbl1q_u8): Likewise.
13636 (vtbl1_s8): Likewise.
13637 (vtbl1_u8): Likewise.
13638 (vtbl1_p8): Likewise.
13639 (vtbl2_s8): Likewise.
13640 (vtbl2_u8): Likewise.
13641 (vtbl2_p8): Likewise.
13643 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13645 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
13646 ssri_n buitin generator macro.
13647 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
13648 instead of inline asm.
13649 (vsri_n_p16): Likewise.
13650 (vsri_n_p64): Likewise.
13651 (vsriq_n_p8): Likewise.
13652 (vsriq_n_p16): Likewise.
13653 (vsriq_n_p64): Likewise.
13655 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13657 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
13658 iterator for polynomial ssli_n builtin generator macro.
13659 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
13660 instead of inline asm.
13661 (vsli_n_p16): Likewise.
13662 (vsliq_n_p8): Likewise.
13663 (vsliq_n_p16): Likewise.
13664 * config/aarch64/iterators.md: Define VALLP mode iterator.
13666 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13668 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
13669 iterator to generate [su]adalp RTL builtins.
13670 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
13671 [su]adalp RTL pattern.
13672 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
13673 instead of inline asm.
13674 (vpadal_u32): Likewise.
13676 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13678 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
13679 builtin generator macros.
13680 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
13682 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
13683 instead of inline asm.
13684 (vpaddl_s16): Likewise.
13685 (vpaddl_s32): Likewise.
13686 (vpaddl_u8): Likewise.
13687 (vpaddl_u16): Likewise.
13688 (vpaddl_u32): Likewise.
13689 (vpaddlq_s8): Likewise.
13690 (vpaddlq_s16): Likewise.
13691 (vpaddlq_s32): Likewise.
13692 (vpaddlq_u8): Likewise.
13693 (vpaddlq_u16): Likewise.
13694 (vpaddlq_u32): Liwewise.
13695 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
13696 appropriate attributes.
13698 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13700 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
13701 for aarch64_addp<mode> builtin macro generator.
13702 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
13703 aarch64_addp<mode> RTL pattern.
13704 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
13705 instead of inline asm.
13706 (vpaddq_s16): Likewise.
13707 (vpaddq_s32): Likewise.
13708 (vpaddq_s64): Likewise.
13709 (vpaddq_u8): Likewise.
13710 (vpaddq_u16): Likewise.
13711 (vpaddq_u32): Likewise.
13712 (vpaddq_u64): Likewise.
13714 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
13716 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
13717 builtin generator macros.
13718 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
13720 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
13721 instead of inline asm.
13722 (vqdmulh_n_s32): Likewise.
13723 (vqdmulhq_n_s16): Likewise.
13724 (vqdmulhq_n_s32): Likewise.
13725 (vqrdmulh_n_s16): Likewise.
13726 (vqrdmulh_n_s32): Likewise.
13727 (vqrdmulhq_n_s16): Likewise.
13728 (vqrdmulhq_n_s32): Likewise.
13730 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
13732 * doc/install.texi (--enable-offload-defaulted): Document.
13734 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
13736 * config/avr/avr-dimode.md: Turn existing patterns into
13737 define_insn_and_split style patterns where the splitter
13738 adds a clobber of the condition code register. Drop "cc"
13739 attribute. Add new patterns to match output of
13741 * config/avr/avr-fixed.md: Likewise.
13742 * config/avr/avr.c (cc_reg_rtx): New.
13743 (avr_parallel_insn_from_insns): Adjust insn count
13744 for removal of set of cc0.
13745 (avr_is_casesi_sequence): Likewise.
13746 (avr_casei_sequence_check_operands): Likewise.
13747 (avr_optimize_casesi): Likewise. Also insert
13748 new insns after jump_insn.
13749 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
13750 for removal of set of cc0.
13751 (avr_init_expanders): Initialize cc_reg_rtx.
13752 (avr_regno_reg_class): Handle REG_CC.
13753 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
13754 (avr_notice_update_cc): Remove function.
13755 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
13756 (compare_condition): Adjust for PARALLEL with
13758 (out_shift_with_cnt): Likewise.
13759 (ashlhi3_out): Likewise.
13760 (ashrhi3_out): Likewise.
13761 (lshrhi3_out): Likewise.
13762 (avr_class_max_nregs): Return single reg for REG_CC.
13763 (avr_compare_pattern): Check for REG_CC instead
13765 (avr_reorg_remove_redundant_compare): Likewise.
13766 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
13767 (avr_hard_regno_nregs): Return single reg for REG_CC.
13768 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
13769 (avr_md_asm_adjust): Clobber REG_CC.
13770 (TARGET_HARD_REGNO_NREGS): Define.
13771 (TARGET_CLASS_MAX_NREGS): Define.
13772 (TARGET_MD_ASM_ADJUST): Define.
13773 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
13775 (enum reg_class): Add CC_REG class.
13776 (NOTICE_UPDATE_CC): Remove.
13777 (CC_OVERFLOW_UNUSABLE): Remove.
13778 (CC_NO_CARRY): Remove.
13779 * config/avr/avr.md: Turn existing patterns into
13780 define_insn_and_split style patterns where the splitter
13781 adds a clobber of the condition code register. Drop "cc"
13782 attribute. Add new patterns to match output of
13784 (sez): Remove unused pattern.
13786 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
13789 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
13792 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
13795 * config/aarch64/constraints.md (Utq): Require the address to
13796 be valid for both the element mode and for V2DImode.
13798 2021-04-28 Jakub Jelinek <jakub@redhat.com>
13799 Tobias Burnus <tobias@codesourcery.com>
13801 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
13802 * gcc.c (process_command): New variable.
13803 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
13804 set it if -foffload is defaulted.
13805 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
13806 (compile_offload_image): If OFFLOAD_DEFAULTED and
13807 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
13808 if corresponding mkoffload can't be found.
13809 (compile_images_for_offload_targets): Likewise. Free and clear
13810 offload_names if no valid offload is found.
13811 * config.in: Regenerate.
13812 * configure: Regenerate.
13814 2021-04-28 Richard Biener <rguenther@suse.de>
13816 PR tree-optimization/100292
13817 * tree-vect-generic.c (expand_vector_condition): Do not fold
13820 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13822 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
13823 * config/rs6000/aix64.opt (m64): New.
13826 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13828 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
13829 (index_term_p): Handle ASHIFT too.
13831 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13833 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
13834 (sync_lock_test_and_set<mode>): Adjust accordingly.
13835 (sync_lock_release<mode>): Likewise.
13837 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
13839 * config/vax/vax-protos.h (adjacent_operands_p): Remove
13841 * config/vax/vax.c (adjacent_operands_p): Remove.
13843 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
13845 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
13846 through to the non-conditional execution case if getting the
13847 condition for conditional execution has failed.
13849 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
13851 PR middle-end/100284
13852 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
13853 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
13854 than asserting on it.
13856 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13858 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
13859 with TARGET_AIX_OS.
13861 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
13864 * calls.c (precompute_register_parameters): Additionally test
13865 targetm.precompute_tls_p to pre-compute argument.
13866 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
13867 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
13868 * target.def (precompute_tls_p): New.
13869 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
13870 * doc/tm.texi: Regenerated.
13872 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13875 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
13876 back to HOST_WIDE_INT.
13878 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
13881 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
13882 memory alignment for the outer mode.
13884 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
13886 PR middle-end/90773
13887 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
13888 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
13890 2021-04-27 Alex Coplan <alex.coplan@arm.com>
13893 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
13894 with negative immediates: ensure we expand cbranchsi4_scratch
13895 correctly and ensure we satisfy its constraints.
13896 * config/arm/sync.md
13897 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
13898 attempt to tie two output operands together with constraints;
13899 collapse two alternatives.
13900 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
13901 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
13903 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13906 * config/aarch64/predicates.md (aarch64_sub_immediate,
13907 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
13908 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
13909 * config/aarch64/aarch64.c (aarch64_print_operand,
13910 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
13912 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13914 PR tree-optimization/100239
13915 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
13916 permutations with all indices from the first zero element as vec_shl.
13918 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13920 PR rtl-optimization/100254
13921 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
13922 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
13924 2021-04-27 Richard Biener <rguenther@suse.de>
13926 PR tree-optimization/99912
13927 * passes.def: Add comment about new TODO_remove_unused_locals.
13928 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
13931 2021-04-27 Richard Biener <rguenther@suse.de>
13933 PR tree-optimization/99912
13934 * passes.def (pass_all_optimizations): Add pass_dse before
13935 the first pass_dce, move the first pass_dse before the
13936 pass_dce following pass_pre.
13938 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13940 PR tree-optimization/95527
13941 * generic-match-head.c: Include tm.h.
13942 * gimple-match-head.c: Include tm.h.
13943 * match.pd (CLZ == INTEGER_CST): Don't use
13944 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
13945 if clz == CFN_CLZ. Add missing val declaration.
13946 (CTZ cmp CST): New simplifications.
13948 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13950 PR tree-optimization/96696
13951 * expr.c (expand_expr_divmod): New function.
13952 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
13953 divisions. Formatting fixes.
13954 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
13957 2021-04-27 Martin Jambor <mjambor@suse.cz>
13960 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
13961 If removing a call statement LHS SSA name, release it.
13963 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
13966 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
13967 is valid before including it in the mask.
13969 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
13972 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
13975 2021-04-27 Richard Biener <rguenther@suse.de>
13977 PR tree-optimization/100051
13978 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
13979 disambiguator based on access size vs. decl size.
13981 2021-04-27 Richard Biener <rguenther@suse.de>
13983 PR tree-optimization/100278
13984 * tree-ssa-pre.c (compute_avail): Give up when we cannot
13985 adjust TBAA beacuse of mismatching bases.
13987 2021-04-27 Jakub Jelinek <jakub@redhat.com>
13990 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
13991 For any_rotate define_insn_split and following splitters, use
13992 SWI iterator instead of SWI48.
13994 2021-04-27 Richard Biener <rguenther@suse.de>
13996 PR tree-optimization/99776
13997 * match.pd (bit_field_ref (ctor)): Relax element extract
13998 type compatibility checks.
14000 2021-04-27 Cui,Lili <lili.cui@intel.com>
14002 * common/config/i386/i386-common.c (processor_names):
14003 Sync processor_names with processor_type.
14004 * config/i386/i386-options.c (processor_cost_table):
14005 Sync processor_cost_table with processor_type.
14007 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14009 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
14010 (irange::set): Call irange_set_1bit_anti_range for handling all
14011 1-bit ranges. Fall through on ~[MIN,MAX].
14013 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14015 * value-range.cc (irange::legacy_num_pairs): Remove.
14016 (irange::invert): Change gcc_assert to gcc_checking_assert.
14017 * value-range.h (irange::num_pairs): Adjust for a cached
14018 num_pairs(). Also, rename all gcc_assert's to
14019 gcc_checking_assert's.
14021 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14023 * value-range.cc (irange::operator=): Set m_kind.
14024 (irange::copy_to_legacy): Handle varying and undefined sources
14025 as a legacy copy since they can be easily copied.
14026 (irange::irange_set): Set m_kind.
14027 (irange::irange_set_anti_range): Same.
14028 (irange::set): Rename normalize_min_max to normalize_kind.
14029 (irange::verify_range): Adjust for multi-ranges having the
14031 (irange::irange_union): Set m_kind.
14032 (irange::irange_intersect): Same.
14033 (irange::invert): Same.
14034 * value-range.h (irange::kind): Always return m_kind.
14035 (irange::varying_p): Rename to...
14036 (irange::varying_comptaible_p): ...this.
14037 (irange::undefined_p): Only look at m_kind.
14038 (irange::irange): Always set VR_UNDEFINED if applicable.
14039 (irange::set_undefined): Always set VR_UNDEFINED.
14040 (irange::set_varying): Always set m_kind to VR_VARYING.
14041 (irange::normalize_min_max): Rename to...
14042 (irange::normalize_kind): ...this.
14044 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14046 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
14047 Adjust for constant_p including varying_p.
14048 * tree-vrp.c (vrp_prop::finalize): Same.
14049 (determine_value_range): Same.
14050 * vr-values.c (vr_values::range_of_expr): Same.
14051 * value-range.cc (irange::symbolic_p): Do not check varying_p.
14052 (irange::constant_p): Same.
14054 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14056 * value-range.cc (irange::legacy_lower_bound): Replace
14057 !undefined_p check with num_ranges > 0.
14058 (irange::legacy_upper_bound): Same.
14059 * value-range.h (irange::type): Same.
14060 (irange::lower_bound): Same.
14061 (irange::upper_bound): Same.
14063 2021-04-26 Richard Biener <rguenther@suse.de>
14065 PR tree-optimization/99956
14066 * gimple-loop-interchange.cc (compute_access_stride):
14067 Try instantiating the access in a shallower loop nest
14068 if instantiating failed.
14069 (compute_access_strides): Pass adjustable loop_nest
14070 to compute_access_stride.
14072 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
14074 * doc/sourcebuild.texi (arm_cmse_hw): Document.
14076 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14078 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
14080 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
14081 Nathan Sidwell <nathan@codesourcery.com>
14082 Tom de Vries <vries@codesourcery.com>
14083 Julian Brown <julian@codesourcery.com>
14084 Kwok Cheung Yeung <kcy@codesourcery.com>
14086 * omp-offload.c (oacc_validate_dims): Implement
14087 '-Wopenacc-parallelism'.
14088 * doc/invoke.texi (-Wopenacc-parallelism): Document.
14090 2021-04-26 Richard Biener <rguenther@suse.de>
14092 * tree-cfg.h (gimplify_build1): Remove.
14093 (gimplify_build2): Likewise.
14094 (gimplify_build3): Likewise.
14095 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
14096 (gimplify_build2): Likewise.
14097 (gimplify_build3): Likewise.
14098 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
14100 (gimplify_build2): Likewise.
14101 (gimplify_build3): Likewise.
14102 (tree_vec_extract): Use resimplify with following SSA edges.
14103 (expand_vector_parallel): Avoid passing NULL size/bitpos
14104 to tree_vec_extract.
14105 * expr.c (store_constructor): Deal with zero-element CTORs.
14106 * match.pd (bit_field_ref <vector CTOR>): Make sure to
14107 produce vector constants when possible.
14109 2021-04-26 Richard Biener <rguenther@suse.de>
14111 * tree-complex.c: Include gimple-fold.h.
14112 (expand_complex_addition): Use gimple_build.
14113 (expand_complex_multiplication_components): Likewise.
14114 (expand_complex_multiplication): Likewise.
14115 (expand_complex_div_straight): Likewise.
14116 (expand_complex_div_wide): Likewise.
14117 (expand_complex_division): Likewise.
14118 (expand_complex_conjugate): Likewise.
14119 (expand_complex_comparison): Likewise.
14121 2021-04-26 Richard Biener <rguenther@suse.de>
14123 * tree-ssa-phiopt.c (two_value_replacement): Remove use
14124 of legacy gimplify_buildN API.
14126 2021-04-26 Richard Biener <rguenther@suse.de>
14128 PR tree-optimization/99473
14129 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
14132 2021-04-26 Richard Biener <rguenther@suse.de>
14134 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
14135 Use replace_call_with_value.
14137 2021-04-26 Richard Biener <rguenther@suse.de>
14139 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
14140 (update_gimple_call): Likewise.
14141 (update_call_from_tree): Likewise.
14142 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
14143 (valid_gimple_call_p): Likewise.
14144 (move_ssa_defining_stmt_for_defs): Likewise.
14145 (finish_update_gimple_call): Likewise.
14146 (update_gimple_call): Likewise.
14147 (update_call_from_tree): Likewise.
14148 (propagate_tree_value_into_stmt): Use replace_call_with_value.
14149 * gimple-fold.h (update_gimple_call): Declare.
14150 * gimple-fold.c (valid_gimple_rhs_p): Move here from
14151 tree-ssa-propagate.c.
14152 (update_gimple_call): Likewise.
14153 (valid_gimple_call_p): Likewise.
14154 (finish_update_gimple_call): Likewise, and simplify.
14155 (gimplify_and_update_call_from_tree): Implement
14156 update_call_from_tree functionality, avoid excessive
14157 push/pop_gimplify_context.
14158 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
14159 (gimple_fold_call): Likewise.
14160 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
14161 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
14162 (pass_fold_builtins::execute): Likewise.
14163 (optimize_stack_restore): Use replace_call_with_value.
14164 * tree-cfg.c (fold_loop_internal_call): Likewise.
14165 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
14166 only gimplify_and_update_call_from_tree.
14167 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
14168 (handle_builtin_strchr): Likewise.
14169 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
14171 2021-04-26 Jakub Jelinek <jakub@redhat.com>
14174 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
14175 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
14178 2021-04-25 liuhongt <hongtao.liu@intel.com>
14181 * config/i386/i386-builtin.def (BDESC): Change the icode of
14182 the following builtins to CODE_FOR_nothing.
14183 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
14184 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
14185 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
14186 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
14187 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
14188 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
14189 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
14190 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
14191 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
14192 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
14193 (sse2_eq<mode>3): Ditto.
14194 (sse4_1_eqv2di3): Ditto.
14195 (sse2_gt<mode>3): Rename to ..
14196 (*sse2_gt<mode>3): .. this.
14198 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
14201 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
14204 * config/darwin.c (darwin_binds_local_p): Assume that any
14205 public symbol might be interposed for PIC code. Update function
14206 header comment to reflect current Darwin capability.
14208 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
14211 * config/darwin.c (darwin_binds_local_p): Assume that any
14212 public symbol might be interposed for PIC code. Update function
14213 header comment to reflect current Darwin capability.
14215 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
14217 * doc/sourcebuild.texi: Document no-opts and any-opts target
14220 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
14222 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
14224 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
14226 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
14228 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
14231 * config/i386/i386-options.c (ix86_option_override_internal):
14232 Error out when -m96bit-long-double is used with 64bit targets.
14233 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
14235 2021-04-23 Martin Liska <mliska@suse.cz>
14237 * lto-wrapper.c: Remove FIXME about usage of
14238 hardware_concurrency. The function is not on par with
14241 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
14244 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
14245 Copy operand 3 to operand 4. Use sse_reg_operand
14246 as operand 3 predicate.
14247 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
14248 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
14249 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
14250 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
14251 Copy operand 1 to operand 0.
14252 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
14253 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
14254 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
14256 2021-04-23 Alex Coplan <alex.coplan@arm.com>
14258 PR rtl-optimization/100230
14259 * early-remat.c (early_remat::sort_candidates): Use delete[]
14260 instead of delete for array allocated with new[].
14262 2021-04-23 Richard Biener <rguenther@suse.de>
14264 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
14265 (capture_info::capture_info): Likewise.
14266 (capture_info::walk_match): Likewise.
14267 (expr::gen_transform): Likewise.
14268 (dt_simplify::gen_1): Likewise.
14269 * gimple-match-head.c (maybe_resimplify_conditional_op):
14270 Remove VEC_COND_EXPR special-casing.
14271 (gimple_simplify): Likewise.
14272 * gimple.c (gimple_could_trap_p_1): Adjust.
14273 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
14274 to participate in PRE.
14276 2021-04-23 Richard Biener <rguenther@suse.de>
14278 * cfganal.c (connect_infinite_loops_to_exit): First call
14279 add_noreturn_fake_exit_edges.
14280 * ipa-sra.c (process_scan_results): Do not call the now redundant
14281 add_noreturn_fake_exit_edges.
14282 * predict.c (tree_estimate_probability): Likewise.
14283 (rebuild_frequencies): Likewise.
14284 * store-motion.c (one_store_motion_pass): Likewise.
14286 2021-04-23 Richard Biener <rguenther@suse.de>
14288 PR tree-optimization/100222
14289 * predict.c (pass_profile::execute): Remove redundant call to
14290 mark_irreducible_loops.
14291 (report_predictor_hitrates): Likewise.
14293 2021-04-23 Richard Biener <rguenther@suse.de>
14295 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
14296 valid_gimple_rhs_p by instead gimplifying to one.
14298 2021-04-23 Richard Biener <rguenther@suse.de>
14300 PR tree-optimization/99971
14301 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
14302 Always use TBAA for loads.
14304 2021-04-23 liuhongt <hongtao.liu@intel.com>
14307 * config/i386/i386-options.c (ix86_option_override_internal):
14308 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
14309 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
14310 by target attribute.
14312 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
14314 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
14316 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
14318 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
14320 * config.gcc (powerpc-ibm-aix6.*): Remove.
14321 * config/rs6000/aix61.h: Delete.
14323 2021-04-22 Martin Liska <mliska@suse.cz>
14325 PR testsuite/100159
14326 PR testsuite/100192
14327 * builtins.c (expand_builtin): Fix typos and missing comments.
14328 * dwarf2out.c (gen_subprogram_die): Likewise.
14329 (gen_struct_or_union_type_die): Likewise.
14331 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
14334 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
14335 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
14337 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
14339 * config/i386/darwin.h (TARGET_64BIT): Remove definition
14340 based on TARGET_ISA_64BIT.
14341 (TARGET_64BIT_P): Remove definition based on
14342 TARGET_ISA_64BIT_P().
14344 2021-04-21 Martin Liska <mliska@suse.cz>
14347 2021-04-21 Martin Liska <mliska@suse.cz>
14349 * lto-wrapper.c (cpuset_popcount): Remove.
14350 (init_num_threads): Remove and use hardware_concurrency.
14352 2021-04-21 Martin Liska <mliska@suse.cz>
14355 * main.c (main): Call toplev::finalize in CHECKING_P mode.
14356 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
14357 when incremental LTO linking happens.
14359 2021-04-21 Martin Liska <mliska@suse.cz>
14361 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
14362 makeserver cannot be detected, then use -flto=N fallback.
14364 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
14366 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
14367 default to yes for aarch64-linux-gnu.
14368 * configure: Regenerate.
14370 2021-04-21 Martin Liska <mliska@suse.cz>
14372 * lto-wrapper.c (cpuset_popcount): Remove.
14373 (init_num_threads): Remove and use hardware_concurrency.
14375 2021-04-21 Martin Liska <mliska@suse.cz>
14377 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
14378 which remains to be '(... || 0)' and clang complains about it.
14379 * dwarf2out.c (AT_vms_delta): Declare conditionally.
14380 (add_AT_vms_delta): Likewise.
14381 * tree.c (fld_simplified_type): Use rather more common pattern
14382 for disabling of something (#if 0).
14383 (get_tree_code_name): Likewise.
14384 (verify_type_variant): Likewise.
14386 2021-04-21 Martin Liska <mliska@suse.cz>
14388 * config/i386/i386-expand.c (decide_alignment): Use newly named
14389 macro TARGET_CPU_P.
14390 * config/i386/i386.c (ix86_decompose_address): Likewise.
14391 (ix86_address_cost): Likewise.
14392 (ix86_lea_outperforms): Likewise.
14393 (ix86_avoid_lea_for_addr): Likewise.
14394 (ix86_add_stmt_cost): Likewise.
14395 * config/i386/i386.h (TARGET_*): Remove.
14396 (TARGET_CPU_P): New macro.
14397 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
14398 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
14399 (swap_top_of_ready_list): Likewise.
14400 (ix86_atom_sched_reorder): Likewise.
14401 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
14402 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
14404 2021-04-21 Martin Liska <mliska@suse.cz>
14406 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
14408 (SET_TARGET_NO_SAHF): Likewise.
14409 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
14410 (SET_TARGET_PREFETCH_SSE): Likewise.
14411 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
14412 (SET_TARGET_NO_TUNE): Likewise.
14413 (TARGET_EXPLICIT_NO_80387_P): Likewise.
14414 (SET_TARGET_NO_80387): Likewise.
14416 * config/i386/i386.h (TARGET_*): Remove.
14417 * opth-gen.awk: Generate new used macros.
14419 2021-04-21 Martin Liska <mliska@suse.cz>
14421 * config/i386/i386.h (PTA_*): Remove.
14422 (enum pta_flag): New.
14423 (DEF_PTA): Generate PTA_* values from i386-isa.def.
14424 * config/i386/i386-isa.def: New file.
14426 2021-04-21 Alex Coplan <alex.coplan@arm.com>
14429 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
14430 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
14431 jump table targets.
14433 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
14435 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
14436 x86_64-*-* targets.
14437 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
14439 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
14440 (ix86_handle_option): Handle -mmwait.
14441 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
14442 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
14443 __builtin_ia32_monitor and __builtin_ia32_mwait.
14444 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
14445 (ix86_valid_target_attribute_inner_p): Likewise.
14446 (ix86_option_override_internal): Enable mwait/monitor
14447 instructions for -msse3.
14448 * config/i386/i386.h (TARGET_MWAIT): New.
14449 (TARGET_MWAIT_P): Likewise.
14450 * config/i386/i386.opt: Add -mmwait.
14451 * config/i386/mwaitintrin.h: New file.
14452 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
14453 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
14455 (@sse3_monitor_<mode>): Likewise.
14456 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
14457 * doc/extend.texi: Document mwait target attribute.
14458 * doc/invoke.texi: Document -mmwait.
14460 2021-04-21 Martin Liska <mliska@suse.cz>
14462 * config/i386/i386-options.c (DEF_ENUM): Remove it.
14463 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
14464 * config/i386/stringop.def (DEF_ENUM): Likewise.
14466 2021-04-21 Martin Liska <mliska@suse.cz>
14468 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
14469 of print_generic_expr.
14471 2021-04-21 Jakub Jelinek <jakub@redhat.com>
14473 PR rtl-optimization/100148
14474 * cprop.c (constprop_register): Use next_nondebug_insn instead of
14477 2021-04-21 Martin Liska <mliska@suse.cz>
14480 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
14481 free_dominance_info calls.
14483 2021-04-21 Richard Biener <rguenther@suse.de>
14485 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
14486 parameter (and assume it to be false).
14487 (fold_gimple_assign): Adjust, remove all callers of
14488 maybe_fold_reference calling it with is_lhs true.
14489 (gimple_fold_call): Likewise.
14490 (fold_stmt_1): Likewise.
14492 2021-04-21 Richard Biener <rguenther@suse.de>
14494 * fold-const.c (pedantic_non_lvalue_loc): Remove.
14495 (fold_binary_loc): Adjust.
14496 (fold_ternary_loc): Likewise.
14498 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
14500 PR middle-end/100130
14501 * varasm.c (get_block_for_decl): Make sure that any use of the
14502 retain attribute matches the section's retain flag.
14503 (switch_to_section): Check for retain mismatches even when
14504 changing sections, but do not warn if the given decl is the
14505 section's named.decl.
14506 (output_object_block): Pass the first decl in the block (if any)
14507 to switch_to_section.
14509 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
14511 * config/i386/i386-c.c (ix86_target_macros_internal): Define
14512 __CRC32__ for -mcrc32.
14513 * config/i386/i386-options.c (ix86_option_override_internal):
14514 Enable crc32 instruction for -msse4.2.
14515 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
14517 (sse4_2_crc32di): Likewise.
14518 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
14521 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
14524 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
14527 2021-04-20 Martin Liska <mliska@suse.cz>
14529 * doc/invoke.texi: Fix typo.
14530 * params.opt: Likewise.
14532 2021-04-20 Martin Liska <mliska@suse.cz>
14534 * doc/invoke.texi: Document new param.
14536 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
14538 PR tree-optimization/100081
14539 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
14540 rather than gori_compute_cache.
14541 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
14542 (range_def_chain::m_logical_depth): New member.
14543 (range_def_chain::range_def_chain): Initialize m_logical_depth.
14544 (range_def_chain::get_def_chain): Don't build defchains through more
14545 than LOGICAL_LIMIT logical expressions.
14546 * params.opt (param_ranger_logical_depth): New.
14548 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
14551 * config/arm/arm.c (arm_configure_build_target): Do not strip
14552 extended FPU/SIMD feature bits from the target ISA when -mfpu
14553 is specified (partial revert of r11-8168).
14555 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
14557 * params.opt (-param=openacc-kernels=): Add.
14558 * omp-oacc-kernels-decompose.cc
14559 (pass_omp_oacc_kernels_decompose::gate): Use it.
14560 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
14561 (--param): ... here, 'openacc-kernels'.
14563 2021-04-19 Martin Liska <mliska@suse.cz>
14566 * gengtype.c (finish_root_table): Align function arguments
14567 in between declaration and definition.
14569 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
14571 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
14572 frames larger than the SEH maximum frame size.
14574 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
14576 PR rtl-optimization/99927
14577 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
14578 is dead, just drop it.
14580 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
14583 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
14584 * doc/tm.texi: Regenerate.
14585 * doc/tm.texi.in (D language and ABI): Add @hook for
14586 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
14588 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
14590 * config/darwin-d.c (darwin_d_handle_target_object_format): New
14592 (darwin_d_register_target_info): New function.
14593 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14594 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
14596 (dragonfly_d_register_target_info): New function.
14597 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14598 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
14600 (freebsd_d_register_target_info): New function.
14601 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14602 * config/glibc-d.c (glibc_d_handle_target_object_format): New
14604 (glibc_d_register_target_info): New function.
14605 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14606 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
14608 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
14609 as handler for objectFormat key.
14610 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
14612 (winnt_d_register_target_info): New function.
14613 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14614 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
14616 (netbsd_d_register_target_info): New function.
14617 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14618 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
14620 (openbsd_d_register_target_info): New function.
14621 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14622 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
14623 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
14624 handler for objectFormat key.
14625 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
14627 (rs6000_d_register_target_info): Add
14628 rs6000_d_handle_target_object_format as handler for objectFormat key.
14629 * config/sol2-d.c (solaris_d_handle_target_object_format): New
14631 (solaris_d_register_target_info): New function.
14632 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
14634 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14637 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
14638 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
14640 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
14641 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
14642 the old and new alignment after applying MIN/MAX to it is different.
14644 2021-04-16 Tamar Christina <tamar.christina@arm.com>
14647 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
14648 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
14650 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
14652 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
14654 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
14655 this section and its subsections.
14657 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14660 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
14661 define_insn patterns.
14663 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
14665 PR rtl-optimization/98689
14666 * reg-notes.def (UNTYPED_CALL): New note.
14667 * combine.c (distribute_notes): Handle it.
14668 * emit-rtl.c (try_split): Likewise.
14669 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
14670 that calls with the note implicitly set all return value registers.
14671 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
14674 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
14676 PR rtl-optimization/99596
14677 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
14678 register accesses for const calls. Assume that pure functions
14679 can only read from global registers. Ignore cases in which
14680 the stack pointer has been marked global.
14682 2021-04-16 Jakub Jelinek <jakub@redhat.com>
14685 * tree-vect-loop.c (vect_transform_loop): Don't remove just
14686 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
14687 them by their last argument.
14689 2021-04-15 Martin Liska <mliska@suse.cz>
14691 * doc/invoke.texi: Other params don't use it, remove it.
14693 2021-04-15 Richard Biener <rguenther@suse.de>
14695 * gimple-builder.h: Add deprecation note.
14697 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
14700 * attribs.h (restrict_type_identity_attributes_to): Declare.
14701 * attribs.c (restrict_type_identity_attributes_to): New function.
14703 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
14706 * attribs.h (affects_type_identity_attributes): Declare.
14707 * attribs.c (remove_attributes_matching): New function.
14708 (affects_type_identity_attributes): Likewise.
14710 2021-04-15 Jakub Jelinek <jakub@redhat.com>
14713 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
14714 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
14715 ZERO_EXTEND, SIGN_EXTEND or AND.
14717 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14719 PR rtl-optimization/99929
14720 * rtl.h (same_vector_encodings_p): New function.
14721 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
14722 * cselib.c (rtx_equal_for_cselib_1): Likewise.
14723 * jump.c (rtx_renumbered_equal_p): Likewise.
14724 * lra-constraints.c (operands_match_p): Likewise.
14725 * reload.c (operands_match_p): Likewise.
14726 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
14728 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14730 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
14731 more information about variable-length CONST_VECTORs.
14733 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
14735 PR rtl-optimization/100066
14736 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
14737 ordered modes when choosing splitting mode for hard reg.
14739 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
14742 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
14744 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
14746 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
14748 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
14749 for mask operand types.
14750 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
14751 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
14753 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
14755 * config/s390/s390.c (s390_const_operand_ok): Check the new
14756 operand types and generate a list of valid values.
14758 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14760 * doc/tm.texi: Regenerate.
14761 * doc/tm.texi.in (D language and ABI): Add @hook for
14762 TARGET_D_REGISTER_OS_TARGET_INFO.
14764 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14766 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
14768 (aarch64_d_register_target_info): New function.
14769 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
14771 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
14773 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
14774 (arm_d_register_target_info): New function.
14775 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
14776 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14777 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
14778 (ix86_d_register_target_info): New function.
14779 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
14780 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14781 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
14782 (mips_d_register_target_info): New function.
14783 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
14784 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14785 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
14786 (pa_d_register_target_info): New function.
14787 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
14788 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14789 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
14791 (riscv_d_register_target_info): New function.
14792 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
14793 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14794 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
14796 (rs6000_d_register_target_info): New function.
14797 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
14799 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14800 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
14801 (s390_d_register_target_info): New function.
14802 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
14803 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14804 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
14806 (sparc_d_register_target_info): New function.
14807 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
14808 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
14809 * doc/tm.texi: Regenerate.
14810 * doc/tm.texi.in (D language and ABI): Add @hook for
14811 TARGET_D_REGISTER_CPU_TARGET_INFO.
14813 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
14815 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
14816 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
14817 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
14818 * doc/tm.texi: Regenerate.
14819 * doc/tm.texi.in (D language and ABI): Add @hook for
14820 TARGET_D_HAS_STDCALL_CONVENTION.
14822 2021-04-14 Richard Biener <rguenther@suse.de>
14824 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
14825 VEC_COND_EXPRs have a gimple_val condition.
14826 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
14827 can no longer have a GENERIC condition.
14829 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
14832 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
14833 from the isa_delta when -mfpu has been used.
14834 (arm_options_perform_arch_sanity_checks): It's the architecture that
14835 lacks an FPU not the processor.
14837 2021-04-13 Richard Biener <rguenther@suse.de>
14839 PR tree-optimization/100053
14840 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
14841 not use optimistic dominance queries for backedges to validate
14843 (dominated_by_p_w_unex): Add parameter to ignore executable
14844 state on backedges.
14845 (rpo_elim::eliminate_avail): Adjust.
14847 2021-04-13 Jakub Jelinek <jakub@redhat.com>
14850 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
14851 *aarch64_bfxilsi_extrdi): New define_insn patterns.
14853 2021-04-13 Jakub Jelinek <jakub@redhat.com>
14856 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
14857 outermode, return NULL if the result doesn't encode back to the
14858 original byte sequence.
14859 (simplify_gen_subreg): Don't create SUBREGs from constants to
14860 MODE_COMPOSITE_P outermode.
14862 2021-04-12 Jakub Jelinek <jakub@redhat.com>
14864 PR rtl-optimization/99905
14865 * combine.c (expand_compound_operation): If pos + len > modewidth,
14866 perform the right shift by pos in inner_mode and then convert to mode,
14867 instead of trying to simplify a shift of rtx with inner_mode by pos
14868 as if it was a shift in mode.
14870 2021-04-12 Jakub Jelinek <jakub@redhat.com>
14873 * combine.c (simplify_and_const_int_1): Don't optimize varop
14874 away if it has side-effects.
14876 2021-04-12 Martin Liska <mliska@suse.cz>
14878 * doc/extend.texi: Escape @smallexample content.
14880 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
14882 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
14883 alternative in order to load a DFP zero.
14885 2021-04-12 Martin Liska <mliska@suse.cz>
14887 * doc/extend.texi: Be more precise in documentation
14888 of symver attribute.
14890 2021-04-12 Martin Liska <mliska@suse.cz>
14893 * gimplify.c (gimplify_expr): Right now, we unpoison all
14894 variables before a goto <dest>. We should not do it if we are
14897 2021-04-12 Cui,Lili <lili.cui@intel.com>
14899 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
14901 * common/config/i386/i386-common.c (processor_names): Add
14903 (processor_alias_table): Add rocketlake.
14904 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
14905 INTEL_COREI7_ROCKETLAKE.
14906 * config.gcc: Add -march=rocketlake.
14907 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
14909 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
14910 (processor_cost_table): Add rocketlake cost.
14911 * config/i386/i386.h (ix86_size_cost) : Define
14913 (processor_type) : Add PROCESSOR_ROCKETLAKE.
14914 (PTA_ROCKETLAKE): Ditto.
14915 * doc/extend.texi: Add rocketlake.
14916 * doc/invoke.texi: Add rocketlake.
14918 2021-04-12 Cui,Lili <lili.cui@intel.com>
14920 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
14921 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
14922 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
14923 * doc/invoke.texi: Change alderlake ISA list.
14925 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
14927 PR middle-end/98088
14928 * omp-expand.c (expand_oacc_collapse_init): Update condition in
14931 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
14934 * config/i386/serializeintrin.h (_serialize): Defined as macro.
14936 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14939 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
14940 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
14942 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14944 PR middle-end/99989
14945 * gimple-ssa-warn-alloca.c
14946 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
14947 0 with integer precision unconditionally.
14949 2021-04-10 Jakub Jelinek <jakub@redhat.com>
14951 PR rtl-optimization/98601
14952 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
14953 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
14954 unaligned_mems handle VOIDmode like BLKmode.
14956 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
14959 * tree.c (free_lang_data_in_decl): Do not release body of
14960 declare_variant_alt.
14962 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
14964 * config/aarch64/aarch64.c (aarch64_option_restore): If the
14965 architecture was specified explicitly and the tuning wasn't,
14966 tune for the architecture rather than the configured default CPU.
14968 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
14970 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
14971 as the temporary register.
14973 2021-04-09 Martin Liska <mliska@suse.cz>
14975 * doc/extend.texi: Move non-target attributes on the top level.
14977 2021-04-09 Martin Liska <mliska@suse.cz>
14979 * doc/invoke.texi: Document minimum and maximum value of the
14980 argument for both supported compression algorithms.
14982 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
14984 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
14985 TLS BSS before TLS data.
14986 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
14988 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
14990 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
14992 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
14994 * match.pd: Extend vec_cond folds to handle shifts.
14996 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
14998 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
15001 2021-04-08 Alex Coplan <alex.coplan@arm.com>
15004 * config/arm/iterators.md (MVE_vecs): New.
15005 (V_elem): Also handle V2DF.
15006 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
15007 (*mve_vdup<mode>): ... this. Remove second alternative since
15008 vec_duplicate of const_int is not canonical RTL, and we don't
15009 want to match symbol_refs.
15010 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
15012 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
15014 * fold-const.c (fold_single_bit_test): Fix typo.
15015 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
15018 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
15020 PR tree-optimization/97513
15021 * tree-vect-slp.c (vect_add_slp_permutation): New function,
15023 (vectorizable_slp_permutation): ...here. Detect cases in which
15024 all VEC_PERM_EXPRs are guaranteed to have the same stepped
15025 permute vector and only generate one permute vector for that case.
15026 Extend that case to handle variable-length vectors.
15028 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
15030 PR tree-optimization/99873
15031 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
15032 (vect_build_slp_instance): Don't split store groups that could
15033 use IFN_STORE_LANES.
15035 2021-04-07 Jakub Jelinek <jakub@redhat.com>
15038 * varasm.c (output_constant_pool_contents): Don't strip name encoding
15039 from XSTR (desc->sym, 0) or from label before passing those to
15042 2021-04-07 Richard Biener <rguenther@suse.de>
15044 PR tree-optimization/99954
15045 * tree-loop-distribution.c: Include tree-affine.h.
15046 (generate_memcpy_builtin): Try using tree-affine to prove
15048 (loop_distribution::classify_builtin_ldst): Always classify
15051 2021-04-07 Richard Biener <rguenther@suse.de>
15053 PR tree-optimization/99947
15054 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
15055 steps vector to avoid pushing elements from the reallocated
15058 2021-04-07 Richard Biener <rguenther@suse.de>
15060 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
15061 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
15063 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
15065 (debug_vn_reference_ops): New.
15067 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
15069 PR tree-optimization/98736
15070 * tree-loop-distribution.c
15071 * (loop_distribution::bb_top_order_init):
15072 Compute RPO with programing order preserved by calling function
15073 rev_post_order_and_mark_dfs_back_seme.
15075 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
15078 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
15079 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
15081 (process_bb_lives): Don't update biggest mode of hard reg for
15082 implicit in multi-register group. Use the new functions for
15083 updating dead_set and unused_set by register notes.
15085 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
15087 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
15090 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
15092 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
15093 (skylake_memset): Likewise.
15094 (skylake_cost): Change CLEAR_RATIO to 17.
15095 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
15096 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
15097 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
15099 2021-04-06 Richard Biener <rguenther@suse.de>
15101 PR tree-optimization/99880
15102 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
15103 set vectorized defs of relevant PHIs.
15105 2021-04-06 Richard Biener <rguenther@suse.de>
15107 PR tree-optimization/99924
15108 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
15109 nodes w/o scalar stmts as visited.
15111 2021-04-06 Alex Coplan <alex.coplan@arm.com>
15114 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
15115 PCS for [su]fix_optab.
15117 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
15119 * config/darwin.c (machopic_legitimize_pic_address): Check
15120 that the current pic register is one of the hard reg set
15121 before setting liveness.
15123 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
15125 * config/darwin.c (machopic_legitimize_pic_address): Fix
15126 whitespace, remove unused code.
15128 2021-04-03 Jakub Jelinek <jakub@redhat.com>
15130 PR tree-optimization/99882
15131 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
15134 2021-04-03 Jakub Jelinek <jakub@redhat.com>
15136 PR rtl-optimization/99863
15137 * dse.c (replace_read): Drop regs_live argument. Instead of
15138 regs_live, use store_insn->fixed_regs_live if non-NULL,
15139 otherwise punt if insns sequence clobbers or sets any hard
15142 2021-04-03 Jakub Jelinek <jakub@redhat.com>
15145 * targhooks.h (default_print_patchable_function_entry_1): Declare.
15146 * targhooks.c (default_print_patchable_function_entry_1): New function,
15147 copied from default_print_patchable_function_entry with an added flags
15149 (default_print_patchable_function_entry): Rewritten into a small
15150 wrapper around default_print_patchable_function_entry_1.
15151 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
15153 (rs6000_print_patchable_function_entry): New function.
15155 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
15157 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
15159 2021-04-01 Jason Merrill <jason@redhat.com>
15162 * common.opt: Document v15 and v16.
15164 2021-04-01 Richard Biener <rguenther@suse.de>
15166 PR tree-optimization/99863
15167 * gimplify.c (gimplify_init_constructor): Recompute vector
15170 2021-04-01 Jakub Jelinek <jakub@redhat.com>
15172 * doc/extend.texi (symver attribute): Fix up syntax errors
15175 2021-04-01 Jakub Jelinek <jakub@redhat.com>
15177 PR tree-optimization/96573
15178 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
15179 also pointer types.
15181 2021-04-01 Richard Biener <rguenther@suse.de>
15183 PR tree-optimization/99856
15184 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
15185 precision to vector element precision.
15187 2021-04-01 Martin Jambor <mjambor@suse.cz>
15189 PR tree-optimization/97009
15190 * tree-sra.c (access_or_its_child_written): New function.
15191 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
15194 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
15197 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
15199 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
15202 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
15203 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
15204 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
15205 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
15206 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
15207 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
15209 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
15210 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
15211 (define_attr "prefixed"): Update initializer.
15213 2021-03-31 Jakub Jelinek <jakub@redhat.com>
15216 * dwarf2out.c (debug_ranges_dwo_section): New variable.
15217 (DW_RANGES_IDX_SKELETON): Define.
15218 (struct dw_ranges): Add begin_entry and end_entry members.
15219 (DEBUG_DWO_RNGLISTS_SECTION): Define.
15220 (add_ranges_num): Adjust r initializer for addition of *_entry
15222 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
15223 set idx to DW_RANGES_IDX_SKELETON.
15224 (use_distinct_base_address_for_range): New function.
15225 (index_rnglists): Don't set r->idx if it is equal to
15226 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
15227 r->end_entry for -gsplit-dwarf if those will be needed by
15229 (output_rnglists): Add DWO argument. If true, switch to
15230 debug_ranges_dwo_section rather than debug_ranges_section.
15231 Adjust l1/l2 label indexes. Only output the offset table when
15232 dwo is true and don't include in there the skeleton range
15233 entry if present. For -gsplit-dwarf, skip ranges that belong
15234 to the other rnglists section. Change return type from void
15235 to bool and return true if there are any range entries for
15236 the other section. For dwarf_split_debug_info use
15237 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
15238 entries instead of DW_RLE_start_end, DW_RLE_start_length and
15239 DW_RLE_base_address. Use use_distinct_base_address_for_range.
15240 (init_sections_and_labels): Initialize debug_ranges_dwo_section
15241 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
15242 and range_base_label indexes.
15243 (dwarf2out_finish): Call index_rnglists earlier before finalizing
15244 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
15245 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
15246 with different dwo arguments.
15247 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
15249 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
15251 PR tree-optimization/98268
15252 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
15253 recompute_tree_invariant_for_addr_expr after successfully
15254 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
15256 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
15258 PR tree-optimization/99726
15259 * tree-data-ref.c (create_intersect_range_checks_index): Bail
15260 out if there is more than one access function SCEV for the loop
15263 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
15265 PR rtl-optimization/97141
15266 PR rtl-optimization/98726
15267 * emit-rtl.c (valid_for_const_vector_p): Return true for
15269 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
15270 poly_wide_int instead of a wide_int.
15271 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
15273 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
15274 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
15275 false for CONST_VECTORs that cannot be forced to memory.
15276 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
15277 is too complex to force to memory, build it up from individual
15280 2021-03-31 Jan Hubicka <jh@suse.cz>
15283 * cgraph.c (cgraph_node::release_body): Fix overactive check.
15285 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
15288 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
15291 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
15293 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
15294 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
15296 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
15297 "rep movsb/stosb" only for known sizes.
15298 * config/i386/i386-options.c (processor_cost_table): Use Ice
15299 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
15300 Rapids and Alder Lake.
15301 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
15302 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
15303 (icelake_memset): Likewise.
15304 (icelake_cost): Likewise.
15305 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
15308 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
15311 * config/aarch64/aarch64.c
15312 (aarch64_vectorize_preferred_vector_alignment): Query the size
15313 of the provided SVE vector; do not assume that all SVE vectors
15314 have the same size.
15316 2021-03-31 Jan Hubicka <jh@suse.cz>
15319 * cgraph.c (cgraph_node::release_body): Remove all callers and
15321 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
15322 * cgraphunit.c (cgraph_node::expand): And here.
15324 2021-03-31 Martin Liska <mliska@suse.cz>
15326 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
15327 and one negated condition.
15329 2021-03-31 Jakub Jelinek <jakub@redhat.com>
15330 Richard Sandiford <richard.sandiford@arm.com>
15333 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
15334 constraints on operands[2] and similarly 0 and rk constraints
15335 on operands[1] corresponding to that.
15337 2021-03-31 Jakub Jelinek <jakub@redhat.com>
15340 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
15341 linker doesn't support DWARF sections new in DWARF5.
15342 * config/i386/i386-options.c (ix86_option_override_internal): Default
15343 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
15345 * config.in: Regenerated.
15346 * configure: Regenerated.
15348 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15351 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
15352 available issue_info before using it.
15354 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15357 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
15360 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
15363 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
15364 (altivec_lvsl_reg_<mode>): ... this.
15365 (altivec_lvsr_reg): Change to ...
15366 (altivec_lvsr_reg_<mode>): ... this.
15367 * config/rs6000/predicates.md (vec_set_index_operand): New.
15368 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
15369 Enable 32bit variable vec_insert for all TARGET_VSX.
15370 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
15371 Enable 32bit variable vec_insert for p9 and above.
15372 (rs6000_expand_vector_set_var_p8): Rename to ...
15373 (rs6000_expand_vector_set_var_p7): ... this.
15374 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
15376 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
15377 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
15378 gen_altivec_lvsr_reg_di.
15380 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
15383 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
15384 (__rdtscp): Likewise.
15386 2021-03-30 Tamar Christina <tamar.christina@arm.com>
15388 PR tree-optimization/99825
15389 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
15390 Reject non-mult 2 lanes.
15392 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
15395 * config/arm/arm.c (arm_file_start): Fix emission of
15396 Tag_ABI_VFP_args attribute.
15398 2021-03-30 Richard Biener <rguenther@suse.de>
15400 PR tree-optimization/99824
15401 * stor-layout.c (set_min_and_max_values_for_integral_type):
15402 Assert the precision is within the bounds of
15403 WIDE_INT_MAX_PRECISION.
15404 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
15405 the outermost component ref only to lower the access size
15406 and initialize that from the access type.
15408 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
15411 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
15412 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
15414 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
15416 * config/aarch64/aarch64.md
15417 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
15418 attribute to disambiguate between SIMD and FP variants of the
15421 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
15423 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
15424 (analyze_ssa_name_flags): Fix typo in comment.
15426 2021-03-29 Alex Coplan <alex.coplan@arm.com>
15429 * config/aarch64/aarch64-sve-builtins.cc
15430 (function_builder::add_function): Add placeholder_p argument, use
15431 placeholder decls if this is set.
15432 (function_builder::add_unique_function): Instead of conditionally adding
15433 direct overloads, unconditionally add either a direct overload or a
15435 (function_builder::add_overloaded_function): Set placeholder_p if we're
15436 using C++ overloads. Use the obstack for string storage instead
15437 of relying on the tree nodes.
15438 (function_builder::add_overloaded_functions): Don't return early for
15439 m_direct_overloads: we need to add placeholders.
15440 * config/aarch64/aarch64-sve-builtins.h
15441 (function_builder::add_function): Add placeholder_p argument.
15443 2021-03-29 Richard Biener <rguenther@suse.de>
15445 PR tree-optimization/99807
15446 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
15447 assert below VEC_PERM handling.
15449 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15452 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
15453 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
15454 matching const_int 0.
15455 (move_lo_quad_internal_be_<mode>): Likewise.
15456 (move_lo_quad_<mode>): Update for the above.
15457 * config/aarch64/iterators.md (VQ_2E): Delete.
15459 2021-03-29 Jakub Jelinek <jakub@redhat.com>
15461 PR tree-optimization/99777
15462 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
15463 types other than scalar integral types.
15465 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
15467 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
15468 XCOFF TLS reloc decorations.
15470 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
15472 * doc/analyzer.texi (Analyzer Internals): Update link to
15473 "A Memory Model for Static Analysis of C Programs".
15475 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
15477 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
15478 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
15480 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
15481 (rs6000_special_round_type_align): Recursively check innermost first
15484 2021-03-26 Jakub Jelinek <jakub@redhat.com>
15487 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
15488 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
15489 assignment with drap_reg active, queue reg save for hfp with offset 0
15490 and flush queued reg saves. When handling a push with rule18,
15491 defer queueing reg save for hfp and just assert the offset is 0.
15492 (scan_trace): Assert that fde->rule18 is false.
15494 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
15497 * ira-costs.c (record_reg_classes): Put case with
15498 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
15499 * ira.c (ira_setup_alts): Ditto.
15500 * lra-constraints.c (process_alt_operands): Ditto.
15501 * recog.c (asm_operand_ok): Ditto.
15502 * reload.c (find_reloads): Ditto.
15504 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15506 * config/aarch64/aarch64-protos.h
15507 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
15508 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
15509 * config/aarch64/aarch64.c (generic_addrcost_table): Update
15510 accordingly, using the same costs as for post_modify.
15511 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
15512 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
15513 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
15514 (a64fx_addrcost_table): Likewise.
15515 (neoversev1_addrcost_table): New.
15516 (neoversev1_tunings): Use neoversev1_addrcost_table.
15517 (aarch64_address_cost): Use the new post_modify costs for CImode
15520 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15522 * config/aarch64/aarch64.opt
15523 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
15524 * doc/invoke.texi: Document it.
15525 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
15526 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
15527 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
15528 (aarch64_vec_issue_info): New structures.
15529 (cpu_vector_cost): Write comments above the variables rather
15531 (cpu_vector_cost::issue_info): New member variable.
15532 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
15533 and tree-ssa-loop-niter.h.
15534 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
15535 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
15536 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
15537 (thunderx3t110_vector_cost): Initialize issue_info to null.
15538 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
15539 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
15540 (neoversev1_vector_cost): Use them.
15541 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
15542 (aarch64_vector_costs::saw_sve_only_op): New member variable.
15543 (aarch64_vector_costs::num_vector_iterations): Likewise.
15544 (aarch64_vector_costs::scalar_ops): Likewise.
15545 (aarch64_vector_costs::advsimd_ops): Likewise.
15546 (aarch64_vector_costs::sve_ops): Likewise.
15547 (aarch64_vector_costs::seen_loads): Likewise.
15548 (aarch64_simd_vec_costs_for_flags): New function.
15549 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
15550 Count the number of predicate operations required by SVE WHILE
15552 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
15553 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
15554 (aarch64_count_ops): Likewise.
15555 (aarch64_add_stmt_cost): Record whether see an SVE operation
15556 that cannot currently be implementing using Advanced SIMD.
15557 Record issue information about the scalar, Advanced SIMD
15558 and (where relevant) SVE versions of a loop.
15559 (aarch64_vec_op_count::dump): New function.
15560 (aarch64_sve_op_count::dump): Likewise.
15561 (aarch64_estimate_min_cycles_per_iter): Likewise.
15562 (aarch64_adjust_body_cost): If issue information is available,
15563 try to compare the issue rates of the various loop implementations
15564 and increase or decrease the vector body cost accordingly.
15566 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15568 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
15569 Assume a zero cost for induction phis.
15571 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15573 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
15575 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
15576 vector comparisons.
15578 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15580 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
15582 (aarch64_add_stmt_cost): Call it.
15584 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15586 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
15587 New tuning parameter.
15588 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
15589 (aarch64_estimated_sve_vq): New function.
15590 (aarch64_vector_costs::analyzed_vinfo): New member variable.
15591 (aarch64_vector_costs::is_loop): Likewise.
15592 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
15593 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
15594 (aarch64_record_potential_advsimd_unrolling): New function.
15595 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
15596 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
15597 aarch64_analyze_bb_vinfo on the first use of a costs structure.
15598 Detect whether we're vectorizing a loop for SVE that might be
15599 completely unrolled if it used Advanced SIMD instead.
15600 (aarch64_adjust_body_cost_for_latency): New function.
15601 (aarch64_finish_cost): Call it.
15603 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15605 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
15606 (aarch64_init_cost): New function.
15607 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
15608 the default unsigned[3].
15609 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
15610 (TARGET_VECTORIZE_INIT_COST): Override.
15611 (TARGET_VECTORIZE_FINISH_COST): Likewise.
15612 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
15614 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15616 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
15617 (neoversev1_sve_vector_cost): New cost structures.
15618 (neoversev1_vector_cost): Likewise.
15619 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
15621 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15623 * config/aarch64/aarch64-protos.h
15624 (sve_vec_cost::scatter_store_elt_cost): New member variable.
15625 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
15626 accordingly, taking the cost from the cost of a scalar_store.
15627 (a64fx_sve_vector_cost): Likewise.
15628 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
15630 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15632 * config/aarch64/aarch64-protos.h
15633 (simd_vec_cost::store_elt_extra_cost): New member variable.
15634 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15635 accordingly, using the vec_to_scalar cost for the new field.
15636 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15637 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15638 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15639 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15640 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15641 (thunderx3t110_advsimd_vector_cost): Likewise.
15642 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
15644 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15646 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
15647 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
15648 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
15649 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15650 accordingly, using zero for the new costs.
15651 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15652 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15653 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15654 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15655 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15656 (thunderx3t110_advsimd_vector_cost): Likewise.
15657 (aarch64_ld234_st234_vectors): New function.
15658 (aarch64_adjust_stmt_cost): Likewise.
15659 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
15660 the new vector costs.
15662 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15664 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
15665 derived class of simd_vec_cost. Add information about CLAST[AB]
15666 and FADDA instructions.
15667 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
15668 accordingly, using the vec_to_scalar costs for the new fields.
15669 (a64fx_sve_vector_cost): Likewise.
15670 (aarch64_reduc_type): New function.
15671 (aarch64_sve_in_loop_reduction_latency): Likewise.
15672 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
15673 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
15674 that occur in the loop body.
15675 (aarch64_add_stmt_cost): Update call accordingly.
15677 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
15679 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
15681 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
15682 above the fields rather than to the right.
15683 (simd_vec_cost::reduc_i8_cost): New member variable.
15684 (simd_vec_cost::reduc_i16_cost): Likewise.
15685 (simd_vec_cost::reduc_i32_cost): Likewise.
15686 (simd_vec_cost::reduc_i64_cost): Likewise.
15687 (simd_vec_cost::reduc_f16_cost): Likewise.
15688 (simd_vec_cost::reduc_f32_cost): Likewise.
15689 (simd_vec_cost::reduc_f64_cost): Likewise.
15690 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
15691 accordingly, using the vec_to_scalar_cost for the new fields.
15692 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
15693 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
15694 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
15695 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
15696 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
15697 (thunderx3t110_advsimd_vector_cost): Likewise.
15698 (aarch64_use_new_vector_costs_p): New function.
15699 (aarch64_simd_vec_costs): New function, split out from...
15700 (aarch64_builtin_vectorization_cost): ...here.
15701 (aarch64_is_reduction): New function.
15702 (aarch64_detect_vector_stmt_subtype): Likewise.
15703 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
15704 using the new vector costs.
15706 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15709 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
15710 TLS declarations as public.
15712 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15714 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
15715 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
15716 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
15717 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
15718 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
15719 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
15720 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
15721 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
15722 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
15724 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15727 * config.gcc (*-*-cygwin*): Add winnt-d.o
15728 (*-*-mingw*): Likewise.
15729 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
15730 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
15731 * config/i386/t-cygming: Add winnt-d.o.
15732 * config/i386/winnt-d.c: New file.
15734 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15736 * config/freebsd-d.c: Include memmodel.h.
15738 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
15741 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
15742 * config/t-openbsd: Add openbsd-d.o.
15743 * config/openbsd-d.c: New file.
15745 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
15747 PR tree-optimization/96974
15748 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
15749 with graceful exit.
15751 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15754 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15758 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
15759 always_inline in system headers.
15761 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
15763 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
15765 2021-03-25 Jakub Jelinek <jakub@redhat.com>
15768 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
15769 * fold-const.c (operand_compare::operand_equal_p): Don't compare
15770 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
15772 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
15776 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
15777 always_inline in system headers.
15779 2021-03-25 Richard Biener <rguenther@suse.de>
15781 PR tree-optimization/99746
15782 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
15783 the scalar stmt as patterned. Instead set up required things
15786 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
15788 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
15791 2021-03-24 Martin Liska <mliska@suse.cz>
15794 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
15796 * config/i386/i386-options.c (ix86_option_override_internal):
15797 Add run-time assert.
15799 2021-03-24 Martin Jambor <mjambor@suse.cz>
15802 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
15803 parameters with unknown type.
15804 (ipacp_value_safe_for_type): New function.
15805 (propagate_vals_across_arith_jfunc): Verify that the constant type
15806 can be used for a type of the formal parameter.
15807 (propagate_vals_across_ancestor): Likewise.
15808 (propagate_scalar_across_jump_function): Likewise. Pass the type
15809 also to propagate_vals_across_ancestor.
15811 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
15814 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
15816 (movmisalign<mode>_mve_load): Likewise.
15818 2021-03-24 Jakub Jelinek <jakub@redhat.com>
15821 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
15822 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
15824 2021-03-24 Alexandre Oliva <oliva@adacore.com>
15826 * doc/sourcebuild.texi (sysconf): New effective target.
15828 2021-03-24 Alexandre Oliva <oliva@adacore.com>
15830 * config/i386/predicates.md (reg_or_const_vec_operand): New.
15831 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
15832 the now *-prefixed insn_and_split, turn the splitter const vec
15833 into an input for the insn, making it an ignored immediate for
15834 non-split cases, and loaded into the scratch register
15837 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
15840 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
15841 Use define_relaxed_memory_constraint for them.
15843 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
15846 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
15847 colon to the diagnostic message.
15849 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
15851 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
15853 (try_fwprop_subst_note): Use set_info instead of insn_info.
15854 (try_fwprop_subst_pattern): Likewise.
15855 (try_fwprop_subst_notes): Likewise.
15856 (try_fwprop_subst): Likewise.
15857 (forward_propagate_subreg): Likewise.
15858 (forward_propagate_and_simplify): Likewise.
15859 (forward_propagate_into): Likewise.
15860 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
15862 (set_info::single_nondebug_insn_use): Likewise.
15863 (set_info::single_phi_use): Likewise.
15864 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
15866 (set_info::single_nondebug_insn_use): Likewise.
15867 (set_info::single_phi_use): Likewise.
15869 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
15871 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
15873 2021-03-23 Jakub Jelinek <jakub@redhat.com>
15876 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
15877 expand_mult to perform an unsigned rather than a signed
15880 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
15883 * config/i386/cpuid.h (__cpuid): Add __volatile__.
15884 (__cpuid_count): Likewise.
15886 2021-03-23 Richard Biener <rguenther@suse.de>
15888 PR tree-optimization/99721
15889 * tree-vect-slp.c (vect_slp_analyze_node_operations):
15890 Make sure we can schedule the node.
15892 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15894 * config/riscv/riscv.c (riscv_subword): Take endianness into
15895 account when calculating the byte offset.
15897 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15899 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
15900 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
15901 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
15902 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
15903 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
15904 new predicate "subreg_lowpart_operator"
15906 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15908 * config/riscv/riscv.c (riscv_swap_instruction): New function
15909 to byteswap an SImode rtx containing an instruction.
15910 (riscv_trampoline_init): Byteswap the generated instructions
15913 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15915 * common/config/riscv/riscv-common.c
15916 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
15917 * config.gcc (riscv32be-*, riscv64be-*): Set
15918 TARGET_BIG_ENDIAN_DEFAULT to 1.
15919 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
15920 depending on default endianness.
15921 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
15922 * config/riscv/linux.h (LINK_SPEC): Likewise.
15923 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
15924 default endianness.
15925 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
15927 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
15929 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
15930 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
15931 * config/riscv/linux.h (LINK_SPEC): Likewise.
15932 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
15934 (BYTES_BIG_ENDIAN): Handle big endian.
15935 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
15936 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
15938 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
15940 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
15942 * regcprop.c (find_oldest_value_reg): Ask target whether
15943 different mode is fine for replacement register.
15945 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
15947 PR tree-optimization/99296
15948 * value-range.cc (irange::irange_set_1bit_anti_range): New.
15949 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
15950 * value-range.h (irange::irange_set_1bit_anti_range): New.
15952 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
15955 * config/aarch64/constraints.md (UtQ): Use
15956 define_relaxed_memory_constraint for it.
15957 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
15958 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15959 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
15960 (have_relaxed_memory_constraints): New static var.
15961 (relaxed_memory_start, relaxed_memory_end): Ditto.
15962 (add_constraint): Add arg is_relaxed_memory. Check name for
15963 relaxed memory. Set up is_relaxed_memory in constraint_data and
15964 have_relaxed_memory_constraints. Adjust calls.
15965 (choose_enum_order): Process relaxed memory.
15966 (write_tm_preds_h): Ditto.
15967 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15968 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
15969 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
15970 * ira-lives.c (single_reg_class): Use
15971 insn_extra_relaxed_memory_constraint.
15972 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
15973 * lra-constraints.c (valid_address_p): Use
15974 insn_extra_relaxed_memory_constraint instead of other memory
15976 (process_alt_operands): Process CT_RELAXED_MEMORY.
15977 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
15978 * recog.c (asm_operand_ok, preprocess_constraints): Process
15980 * reload.c (find_reloads): Ditto.
15981 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
15982 * stmt.c (parse_input_constraint): Use
15983 insn_extra_relaxed_memory_constraint.
15985 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
15988 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
15991 2021-03-22 Alex Coplan <alex.coplan@arm.com>
15994 * config/arm/arm-protos.h (neon_make_constant): Add generate
15995 argument to guard emitting insns, default to true.
15996 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
15997 CONST_VECTORs which neon_make_constant can't handle.
15998 (neon_vdup_constant): Add generate argument, avoid emitting
15999 insns if it's not set.
16000 (neon_make_constant): Plumb new generate argument through.
16001 * config/arm/constraints.md (Ui): New. Use it...
16002 * config/arm/mve.md (*mve_mov<mode>): ... here.
16003 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
16004 synthesize constants.
16006 2021-03-22 Richard Biener <rguenther@suse.de>
16008 * debug.h: Add deprecation warning.
16010 2021-03-22 Richard Biener <rguenther@suse.de>
16012 PR tree-optimization/99694
16013 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
16016 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
16019 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
16020 after type checking.
16022 2021-03-22 Jakub Jelinek <jakub@redhat.com>
16026 * dwarf2out.c (get_full_len): Use get_precision rather than
16028 (add_const_value_attribute): Make sure add_AT_wide argument has
16029 precision prec rather than some very wide one.
16031 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
16033 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
16034 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
16035 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
16036 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
16037 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
16038 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
16039 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
16040 *fix_trunc<mode>si2_internal): Fix empty split condition.
16041 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
16042 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
16043 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
16044 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
16046 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
16049 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
16050 Convert idx to DImode.
16051 (rs6000_expand_vector_set_var_p8): Likewise.
16053 2021-03-21 Jakub Jelinek <jakub@redhat.com>
16056 * dwarf2out.c (insert_float): Change return type from void to
16057 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
16058 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
16061 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
16064 * config/i386/i386.c (construct_container): Check cfun != NULL
16065 before accessing silent_p.
16067 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
16069 * asan.c: Fix typos in comments.
16071 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
16073 PR rtl-optimization/99680
16074 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
16075 (process_address_1): Check empty constraint before using
16078 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
16080 * config/rs6000/rs6000.c (power10_cost): New.
16081 (rs6000_option_override_internal): Set Power10 costs.
16082 (rs6000_issue_rate): Set Power10 issue rate.
16083 * config/rs6000/power10.md: Rewrite for Power10.
16085 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
16088 * lra-constraints.c (process_address_1): Don't use unknown
16089 constraint for address constraint.
16091 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
16094 * config.gcc (powerpc-*-darwin8): Delete the reference to
16095 the now removed darwin8.h.
16097 2021-03-19 Olivier Hainque <hainque@adacore.com>
16100 * config/vxworksae.h (VX_CPU_PREFIX): Define.
16102 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
16104 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
16106 2021-03-19 Tamar Christina <tamar.christina@arm.com>
16108 PR tree-optimization/99656
16109 * tree-vect-slp-patterns.c (linear_loads_p,
16110 complex_add_pattern::matches, is_eq_or_top,
16111 vect_validate_multiplication, complex_mul_pattern::matches,
16112 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
16113 * tree-vectorizer.h: (complex_load_perm_t): Removed.
16114 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
16115 complex_load_perm_t.
16117 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
16120 * config/i386/i386-options.c (ix86_init_machine_status): Set
16122 * config/i386/i386.c (init_cumulative_args): Set silent_p to
16124 (construct_container): Return early for return and argument
16125 errors if silent_p is true.
16126 * config/i386/i386.h (machine_function): Add silent_p.
16128 2021-03-19 Jakub Jelinek <jakub@redhat.com>
16131 * config/arm/constraints.md (Ds): New constraint.
16132 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
16133 constraint instead of w,Dm.
16135 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
16137 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
16140 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
16142 PR middle-end/99641
16143 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
16144 array type, do the computation of the current position in sizetype.
16146 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
16149 * lra-constraints.c (process_address_1): Use lookup_constraint
16150 only for a single constraint.
16152 2021-03-18 Martin Sebor <msebor@redhat.com>
16154 PR middle-end/99502
16155 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
16156 (inbounds_memaccess_p): ...to this. Check the ending offset of
16157 the accessed member.
16159 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
16161 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
16162 %> quote markers to error messages.
16163 (gcn_goacc_validate_dims): Likewise.
16164 (gcn_conditional_register_usage): Remove exclaimation mark from error
16166 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
16168 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
16170 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
16173 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
16174 Kito Cheng <kito.cheng@sifive.com>
16176 * config/riscv/riscv.c (riscv_block_move_straight): Change type
16177 to unsigned HOST_WIDE_INT for parameter and local variable with
16178 HOST_WIDE_INT type.
16179 (riscv_adjust_block_mem): Ditto.
16180 (riscv_block_move_loop): Ditto.
16181 (riscv_expand_block_move): Ditto.
16183 2021-03-18 Nick Clifton <nickc@redhat.com>
16185 * config/v850/v850.c (construct_restore_jr): Increase static
16187 (construct_save_jarl): Likewise.
16188 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
16190 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16192 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
16193 (aarch64_override_options_internal): Use it.
16194 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
16197 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
16199 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
16200 error message format issues.
16201 (nios2_option_override): Likewise.
16202 (nios2_expand_fpu_builtin): Likewise.
16203 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
16204 truncation warning.
16205 (nios2_expand_custom_builtin): More error message format fixes.
16206 (nios2_expand_rdwrctl_builtin): Likewise.
16207 (nios2_expand_rdprs_builtin): Likewise.
16208 (nios2_expand_eni_builtin): Likewise.
16209 (nios2_expand_builtin): Likewise.
16210 (nios2_register_custom_code): Likewise.
16211 (nios2_valid_target_attribute_rec): Likewise.
16212 (nios2_add_insn_asm): Fix uninitialized variable warning.
16214 2021-03-17 Jan Hubicka <jh@suse.cz>
16216 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
16217 of gather to match reality.
16218 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
16220 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16222 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
16223 to compare against CC_REG rather than NE.
16225 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
16228 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
16229 inline assembly statements.
16230 (ix86_print_operand): Update 'P' handling for -fno-plt.
16232 2021-03-17 Tamar Christina <tamar.christina@arm.com>
16235 * config/aarch64/aarch64.c
16236 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
16238 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
16241 * config/rs6000/predicates.md (branch_comparison_operator): Allow
16242 ordered and unordered for CCFPmode, if flag_finite_math_only.
16244 2021-03-16 Jakub Jelinek <jakub@redhat.com>
16247 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
16248 rather than ASHIFT.
16249 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
16251 2021-03-16 Martin Liska <mliska@suse.cz>
16254 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
16255 cl_optimization_compare function.
16257 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
16259 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
16262 2021-03-16 Jakub Jelinek <jakub@redhat.com>
16265 * config/i386/i386.h (struct machine_function): Add
16266 has_explicit_vzeroupper bitfield.
16267 * config/i386/i386-expand.c (ix86_expand_builtin): Set
16268 cfun->machine->has_explicit_vzeroupper when expanding
16269 IX86_BUILTIN_VZEROUPPER.
16270 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
16271 Do the mode switching only when TARGET_VZEROUPPER, expensive
16272 optimizations turned on and not optimizing for size.
16273 (pass_insert_vzeroupper::gate): Enable even when
16274 cfun->machine->has_explicit_vzeroupper is set.
16276 2021-03-16 Jakub Jelinek <jakub@redhat.com>
16279 * config/aarch64/aarch64.c
16280 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
16281 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
16282 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
16284 2021-03-15 Richard Biener <rguenther@suse.de>
16286 PR tree-optimization/98834
16287 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
16288 subsetting by truncating the access size.
16290 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
16292 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
16293 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
16296 2021-03-15 Martin Liska <mliska@suse.cz>
16298 * spellcheck.c: Add missing comma in initialization.
16300 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
16302 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
16303 alternative 2 and alternative 1 with alternative 3 using
16304 YW register constraint.
16305 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
16306 using YW register constraint.
16307 (*vec_extractv16qi_zext): Ditto.
16308 (*vec_extractv4si): Merge alternatives 4 and 5
16309 using Yw register constraint.
16310 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
16312 2021-03-13 Martin Sebor <msebor@redhat.com>
16314 PR tree-optimization/99489
16315 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
16316 is not a call statement.
16318 2021-03-13 Jakub Jelinek <jakub@redhat.com>
16320 PR tree-optimization/99544
16321 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
16322 if for vector types multiplication can't be done in type's mode.
16324 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
16327 * config/sparc/constraints.md (w): Rename to...
16328 (W): ... this and ditch previous implementation.
16329 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
16330 (*movdf_insn_sp64): Likewise.
16331 (*mov<VM64:mode>_insn_sp64): Likewise.
16332 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
16334 (atomic_compare_and_swap_leon3_1): Likewise.
16335 (*atomic_compare_and_swapdi_v8plus): Likewise.
16336 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
16337 architecture and add missing address validity check during LRA.
16339 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
16342 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
16343 occuring for assumed-size arrays in use_device_{ptr,addr}.
16345 2021-03-12 Jakub Jelinek <jakub@redhat.com>
16348 * config/i386/constraints.md (YW): New internal constraint.
16349 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
16350 (*<sse2_avx2>_<insn><mode>3<mask_name>,
16351 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
16352 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
16354 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
16355 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
16356 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
16357 into one, use Yw instead of former x,v.
16358 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
16359 the last alternative.
16360 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
16361 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
16362 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
16363 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
16364 into one, use <v_Yw> instead of former x,v.
16365 (avx2_interleave_highv32qi<mask_name>,
16366 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
16367 constraints. Add && <mask_avx512bw_condition> to condition.
16368 (avx2_interleave_lowv32qi<mask_name>,
16369 vec_interleave_lowv16qi<mask_name>,
16370 avx2_interleave_highv16hi<mask_name>,
16371 vec_interleave_highv8hi<mask_name>,
16372 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
16373 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
16374 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
16375 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
16376 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
16377 Yw instead of v in constraints.
16378 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
16379 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
16380 instead of Yv in constraints.
16381 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
16382 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
16383 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
16384 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
16385 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
16387 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
16388 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
16389 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
16390 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
16391 two, one with just x, another isa avx512vl with v.
16393 2021-03-12 Martin Liska <mliska@suse.cz>
16395 * doc/invoke.texi: Add missing param documentation.
16397 2021-03-11 David Malcolm <dmalcolm@redhat.com>
16400 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
16401 analyzer/trimmed-graph.o.
16402 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
16403 feasibility checking to reflect new implementation.
16404 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
16406 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
16408 2021-03-11 David Malcolm <dmalcolm@redhat.com>
16410 * digraph.cc (selftest::test_shortest_paths): Update
16411 shortest_paths init for new param. Add test of
16412 SPS_TO_GIVEN_TARGET.
16413 * shortest-paths.h (enum shortest_path_sense): New.
16414 (shortest_paths::shortest_paths): Add "sense" param.
16415 Update for renamings. Generalize to use "sense" param.
16416 (shortest_paths::get_shortest_path): Rename param.
16417 (shortest_paths::m_sense): New field.
16418 (shortest_paths::m_prev): Rename...
16419 (shortest_paths::m_best_edge): ...to this.
16420 (shortest_paths::get_shortest_path): Update for renamings.
16421 Conditionalize flipping of path on sense of traversal.
16423 2021-03-11 David Malcolm <dmalcolm@redhat.com>
16425 * digraph.cc (selftest::test_shortest_paths): Add test coverage
16426 for paths from B and C.
16427 * shortest-paths.h (shortest_paths::shortest_paths): Handle
16428 unreachable nodes, rather than asserting.
16430 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
16433 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
16434 xcoff_tbss_section_name.
16435 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
16436 * xcoffout.c (xcoff_tbss_section_name): Delete.
16437 * xcoffout.h (xcoff_tbss_section_name): Delete.
16439 2021-03-11 Richard Biener <rguenther@suse.de>
16441 PR tree-optimization/99523
16442 * tree-cfg.c (dump_function_to_file): Dump SSA names
16443 w/o identifier to the decls section as well, not only those
16444 without a VAR_DECL.
16446 2021-03-11 Jakub Jelinek <jakub@redhat.com>
16449 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
16450 function calls with lhs fail if the lhs don't have compatible types.
16452 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
16454 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
16455 Change FRAME_POINTER_REGNUM to correspond to a new faked
16456 register faked_fp, part of GENNONACR_REGS like faked_ap.
16457 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
16458 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
16459 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
16460 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
16461 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
16463 (CRIS_REAL_FP_REGNUM): New constant.
16464 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
16465 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
16466 (cris_initial_elimination_offset): Handle elimination changes
16467 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
16468 and add one from FRAME_POINTER_REGNUM to
16469 HARD_FRAME_POINTER_REGNUM.
16470 (cris_expand_prologue, cris_expand_epilogue): Emit code for
16471 hard_frame_pointer_rtx instead of frame_pointer_rtx.
16473 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
16476 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
16477 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
16479 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
16482 * lra-constraints.c (process_address_1): Don't check unknown
16483 constraint, use X for empty constraint.
16485 2021-03-10 Alex Coplan <alex.coplan@arm.com>
16487 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
16488 Fix typo in comment describing "is_ha" argument.
16490 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
16492 * doc/sourcebuild.texi: Document LRA target selector.
16494 2021-03-10 David Malcolm <dmalcolm@redhat.com>
16496 * doc/ux.texi: Add subsection contrasting interactive versus
16497 batch usage of GCC.
16499 2021-03-10 Joel Hutton <joel.hutton@arm.com>
16502 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
16504 (vectorizable_load): Fix gather load mask check condition.
16506 2021-03-10 Richard Biener <rguenther@suse.de>
16508 PR tree-optimization/99510
16509 * tree.c (check_aligned_type): Check that the candidate
16510 has TYPE_USER_ALIGN set instead of matching with the
16513 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
16515 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
16516 float and vector integer modes only if the mode is not larger.
16518 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
16520 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
16522 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
16524 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
16526 * ira-lives.c (single_reg_class): Ditto.
16528 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
16530 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
16531 the architecture-specific rtems.h.
16532 (aarch64-*-rtems*): Likewise.
16533 (arm*-*-rtems*): Likewise.
16534 (epiphany-*-rtems*): Likewise.
16535 (riscv*-*-rtems*): Likewise.
16537 2021-03-09 Jakub Jelinek <jakub@redhat.com>
16539 PR tree-optimization/99305
16540 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
16541 before integer_all_onesp instead of vice versa.
16543 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
16545 * common/config/arm/arm-common.c (arm_config_default): Change type
16546 of 'i' to unsigned.
16548 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
16551 * lra-constraints.c (process_address_1): Process constraint 'g'
16552 separately and digital constraints containing more one digit.
16554 2021-03-09 Nick Clifton <nickc@redhat.com>
16556 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
16557 (DWARF"_DEBUGGING_INFO): Define.
16559 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
16562 * calls.c (initialize_argument_information): When the argument
16563 is passed by reference, do not make a copy in a thunk only if
16564 the argument is already in memory. Remove redundant test for
16565 the case of callee copy.
16567 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
16570 * lra-constraints.c (process_address_1): Process 0..9 constraints
16571 in process_address_1.
16573 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
16575 * config/s390/s390.c (struct s390_processor processor_table):
16576 Binutils name string must not be empty.
16578 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
16580 * config/arc/arc.c (arc_attr_type): Remove function.
16582 2021-03-09 Martin Liska <mliska@suse.cz>
16585 * config/i386/i386-options.c (ix86_option_override_internal):
16586 Set isa_flags for OPTS argument and not for the global
16589 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
16591 * config/rs6000/predicates.md (ds_form_mem_operand): Check
16594 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
16597 * config/rs6000/predicates.md (ds_form_mem_operand) New
16599 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
16600 ds_form_mem_operand in ld/lwa patterns.
16601 * config/rs6000/fusion.md: Regenerate file.
16603 2021-03-08 Martin Sebor <msebor@redhat.com>
16605 PR middle-end/98266
16606 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
16607 (array_bounds_checker::check_array_bounds): Call it.
16609 2021-03-08 Martin Sebor <msebor@redhat.com>
16611 PR middle-end/97631
16612 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
16613 (handle_builtin_stxncpy_strncat): Rename locals. Determine
16614 destination size from allocation calls. Issue a more appropriate
16616 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
16617 (handle_builtin_memset): Same.
16619 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
16622 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
16623 to ensure we do not have an Altivec style address.
16624 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
16625 an Altivec style address.
16626 (*vsx_le_perm_store_<mode>): Likewise.
16627 (splitters after *vsx_le_perm_store_<mode>): Likewise.
16628 (vsx_load_<mode>): Disable special expander if passed an Altivec
16630 (vsx_store_<mode>): Likewise.
16632 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16635 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
16636 (aarch64_simd_shift_imm_vec_hi): Likewise.
16637 (aarch64_simd_shift_imm_vec_si): Likewise.
16638 (aarch64_simd_shift_imm_vec_di): Likewise.
16639 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
16640 predicate from above.
16641 (aarch64_shrn<mode>_insn_be): Likewise.
16642 (aarch64_rshrn<mode>_insn_le): Likewise.
16643 (aarch64_rshrn<mode>_insn_be): Likewise.
16644 (aarch64_shrn2<mode>_insn_le): Likewise.
16645 (aarch64_shrn2<mode>_insn_be): Likewise.
16646 (aarch64_rshrn2<mode>_insn_le): Likewise.
16647 (aarch64_rshrn2<mode>_insn_be): Likewise.
16649 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
16652 * lra-constraints.c (skip_contraint_modifiers): New function.
16653 (process_address_1): Use it before lookup_constraint call.
16655 2021-03-08 Martin Liska <mliska@suse.cz>
16658 * config/i386/i386-options.c (ix86_option_override_internal):
16659 Enable UINTR and HRESET for -march that supports it.
16661 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
16663 * config/s390/s390.c (f_constraint_p): New function.
16664 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
16665 (TARGET_MD_ASM_ADJUST): Likewise.
16667 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
16670 * tree-nested.c (convert_local_reference_stmt): Avoid calling
16671 lookup_field_for_decl for Fortran module (= namespace context).
16673 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
16675 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
16676 comparison with arithmetic right shift.
16677 (s390_expand_vcond): No need for a force_reg anymore.
16678 s390_vec_compare will do it.
16679 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
16680 immediate operands.
16682 2021-03-07 Jakub Jelinek <jakub@redhat.com>
16685 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
16686 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
16688 * config/i386/sse.md (v_Yw): New define_mode_attr.
16689 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
16690 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
16692 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
16693 xYw in constraints.
16695 2021-03-06 Julian Brown <julian@codesourcery.com>
16697 * tree-pretty-print.c (dump_generic_node): Emit non-generic
16698 address space info for aggregates.
16700 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
16702 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
16704 2021-03-05 Jakub Jelinek <jakub@redhat.com>
16706 PR middle-end/99322
16707 * tree-cfg.c (bb_to_omp_idx): New variable.
16708 (execute_build_cfg): Release the bb_to_omp_idx vector after
16709 cleanup_tree_cfg returns.
16710 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
16711 for bb_to_omp_idx being a vec<int> instead of pointer to array
16713 (make_edges): Remove bb_to_omp_idx local variable, don't pass
16714 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
16715 vec<int> instead of pointer to array of ints and don't free/release
16717 (remove_bb): When removing a bb and placing forced label somewhere
16718 else, ensure it is put into the same OpenMP region during cfg
16719 pass if possible or to entry successor as fallback. Unregister
16720 bb from bb_to_omp_idx.
16722 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
16725 * lra-constraints.c (process_address_1): Skip decomposing address
16726 for asm insn operand with unknown constraint.
16728 2021-03-05 Martin Jambor <mjambor@suse.cz>
16731 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
16732 corresponding speculative edges if we are about to resolve
16733 sepculation. Make edge direct (and so resolve speculations) before
16734 removing it from call_site_hash.
16735 (cgraph_edge::make_direct): Relax the initial assert to allow calling
16736 the function on speculative direct edges.
16738 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
16740 PR rtl-optimization/99376
16741 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
16742 of low-order zero bits is too large, set the result to 0 directly.
16744 2021-03-04 Jakub Jelinek <jakub@redhat.com>
16746 PR middle-end/93235
16747 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
16748 SUBREG and a SUBREG to op_mode can't be created.
16750 2021-03-04 Alex Coplan <alex.coplan@arm.com>
16753 * config/aarch64/aarch64-sve-builtins.cc
16754 (function_resolver::require_vector_type): Handle error_mark_node.
16756 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
16758 * cfgexpand.c (expand_asm_loc): Pass new parameter.
16759 (expand_asm_stmt): Likewise.
16760 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
16762 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
16763 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
16764 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
16765 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
16766 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
16767 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
16768 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
16769 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
16770 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
16771 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
16772 * doc/tm.texi (md_asm_adjust): Likewise.
16773 * target.def (md_asm_adjust): Likewise.
16775 2021-03-04 Richard Biener <rguenther@suse.de>
16777 PR middle-end/97855
16778 * tree-pretty-print.c: Poison pp_printf.
16779 (dump_decl_name): Avoid use of pp_printf.
16780 (dump_block_node): Likewise.
16781 (dump_generic_node): Likewise.
16783 2021-03-04 Martin Sebor <msebor@redhat.com>
16785 PR middle-end/96963
16786 PR middle-end/94655
16787 * builtins.c (handle_array_ref): New helper.
16788 (handle_mem_ref): New helper.
16789 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
16790 into new helper functions. Correct a workaround for vectorized
16793 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
16795 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
16796 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
16797 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
16798 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
16799 attribute for Power10.
16800 * config/rs6000/mma.md (*movoo): Likewise.
16801 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
16802 (define_mode_attr bits): Add DD/TD modes.
16803 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
16804 store_conditionalpti): Update size attribute for Power10.
16806 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
16809 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
16810 -Wuninitialized, -Wmaybe-uninitialized.
16811 (wide-int.o-warn): Likewise.
16813 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
16815 * common/config/arm/arm-common.c: Include configargs.h.
16816 (arm_config_default): New function.
16817 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
16818 processors that do not support Thumb. Take into account the
16819 --with-mode configuration setting for selecting the default.
16820 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
16821 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
16823 2021-03-03 Martin Liska <mliska@suse.cz>
16825 PR gcov-profile/97461
16826 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
16828 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
16831 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
16832 point back the hard frame pointer to its default location when the
16833 frame is larger than SEH_MAX_FRAME_SIZE.
16835 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16838 * config/i386/predicates.md (logic_operator): New define_predicate.
16839 * config/i386/i386.md (mov + mem using comm arith peephole2):
16840 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
16841 and the inner mode is [QH]Imode.
16843 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16846 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
16847 (new_loc_list): Clear end_entry.
16848 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
16849 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
16851 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
16852 initialize also end_entry.
16854 2021-03-03 Jakub Jelinek <jakub@redhat.com>
16857 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
16858 partitions, if in non-layout mode after reorder_blocks also move
16859 affected blocks to ensure a single partition transition.
16861 2021-03-03 Jason Merrill <jason@redhat.com>
16864 * cgraphunit.c (process_function_and_variable_attributes): Don't
16865 warn about flatten on an alias if the target also has it.
16866 * cgraph.h (symtab_node::get_alias_target_tree): New.
16868 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
16870 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
16871 period to symbol name.
16872 (tls_get_addr_internal<mode>): Same.
16874 2021-03-02 David Malcolm <dmalcolm@redhat.com>
16877 * diagnostic-show-locus.c
16878 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
16881 2021-03-02 Martin Sebor <msebor@redhat.com>
16883 PR middle-end/99276
16884 * builtins.c (warn_for_access): Remove stray warning text.
16886 2021-03-02 Martin Sebor <msebor@redhat.com>
16888 PR middle-end/99295
16889 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
16892 2021-03-02 Jakub Jelinek <jakub@redhat.com>
16895 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
16896 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
16897 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
16898 DW_MACRO_define_strx and DW_MACRO_undef_strx.
16899 (save_macinfo_strings): Use DW_MACRO_*_str* even with
16900 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
16901 DW_MACRO_undef_strx.
16903 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
16905 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
16907 (BT_FN_V8HI_V8HI_UINT): Likewise.
16908 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
16909 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
16910 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
16911 New builtin definitions.
16912 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
16913 vector extension version.
16914 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
16915 available with current -march level.
16916 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
16917 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
16918 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
16919 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
16920 (vec_extend_to_fp32_lo): Likewise.
16921 (vec_round_from_fp32): Likewise.
16922 (vec_convert_to_fp16): Likewise.
16923 (vec_convert_from_fp16): Likewise.
16924 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
16925 (vclfnls_v8hi): Likewise.
16926 (vcrnfs_v8hi): Likewise.
16927 (vcfn_v8hi): Likewise.
16928 (vcnf_v8hi): Likewise.
16930 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
16932 * common/config/s390/s390-common.c (processor_flags_table): New entry.
16933 * config.gcc: Enable arch14 for --with-arch and --with-tune.
16934 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
16935 arch14 for unknown CPU models.
16936 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
16937 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
16938 (s390_get_sched_attrmask): Likewise.
16939 (s390_get_unit_mask): Likewise.
16940 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
16941 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
16942 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
16943 (TARGET_NNPA_P): New macro definitions.
16944 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
16945 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
16947 2021-03-02 Jakub Jelinek <jakub@redhat.com>
16949 PR middle-end/95757
16950 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
16951 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
16952 != 1 comparisons if name is lhs of a comparison.
16954 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
16958 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
16959 * config/darwin.c (darwin_should_restore_cfa_state): New.
16960 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
16961 * doc/tm.texi: Regenerated.
16962 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
16963 * dwarf2cfi.c (connect_traces): If the target requests, restore
16964 the CFA expression after a DW_CFA_restore.
16965 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
16967 2021-03-01 Martin Liska <mliska@suse.cz>
16970 * optc-save-gen.awk: Add 4 more exceptions.
16972 2021-03-01 Nathan Sidwell <nathan@acm.org>
16975 * tree.h (TYPE_ALIGN_RAW): New accessor.
16976 (TYPE_ALIGN): Use it.
16978 2021-03-01 Jan Hubicka <jh@suse.cz>
16981 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
16983 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
16986 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
16987 point the hard frame pointer to the SSE register save area instead
16988 of the general register save area. Perform only minimal adjustment
16989 for small frames if it is initially not correctly aligned.
16990 (ix86_expand_prologue): Remove early saves for a SEH target.
16991 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
16993 2021-02-28 Jakub Jelinek <jakub@redhat.com>
16996 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
16997 typo - referneced -> referenced.
16998 * tree.c (component_ref_size): Fix comment typo -
16999 refernce -> reference.
17000 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
17001 traling -> trailing.
17002 (aliasing_component_refs_p): Fix comment typos -
17003 refernce -> reference and refernece -> reference and
17004 traling -> trailing.
17005 (nonoverlapping_refs_since_match_p): Fix comment typo -
17006 referneces -> references.
17007 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
17008 referneces -> references.
17010 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
17012 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
17013 diagnostic message to avoid use of a contraction and format
17016 2021-02-27 Jakub Jelinek <jakub@redhat.com>
17019 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
17020 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
17021 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
17022 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
17025 2021-02-26 Richard Biener <rguenther@suse.de>
17027 PR middle-end/99281
17028 * expr.c (store_field): For calls with return-slot optimization
17029 and addressable return type expand the store directly.
17031 2021-02-26 Richard Biener <rguenther@suse.de>
17034 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
17036 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
17039 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
17042 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
17044 * config.gcc: Add rs6000-pcrel-opt.o.
17045 * config/rs6000/rs6000-pcrel-opt.c: New file.
17046 * config/rs6000/pcrel-opt.md: New file.
17047 * config/rs6000/predicates.md: Add d_form_memory predicate.
17048 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
17049 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
17050 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
17051 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
17052 and make_pass_pcrel_opt().
17053 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
17054 (rs6000_option_override_internal): Add pcrel-opt.
17055 (rs6000_delegitimize_address): Support pcrel-opt.
17056 (rs6000_opt_masks): Add pcrel-opt.
17057 (pcrel_opt_valid_mem_p): New function.
17058 (reg_to_non_prefixed): Make global.
17059 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
17060 (output_pcrel_opt_reloc): New function.
17061 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
17062 (pcrel_extern_addr): Set loads_extern_addr.
17063 Add include for pcrel-opt.md.
17064 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
17065 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
17068 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
17071 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
17072 If TARGET_64BIT and dest is SUBREG, we check the width, if it
17073 equal to SImode, we use SImode operation, just like what we are
17076 2021-02-26 Marek Polacek <polacek@redhat.com>
17078 * builtins.c (warn_for_access): Fix typos.
17080 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
17082 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
17083 mark in front of the immediate quantity.
17084 (<optab>_rolsi3_uxtw): Likewise.
17086 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
17089 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
17090 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
17091 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
17092 address and disable when the FPCXT is not available.
17093 (nonsecure_call_value_reg_thumb2): Likewise.
17095 2021-02-25 Nathan Sidwell <nathan@acm.org>
17098 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
17100 2021-02-25 Tamar Christina <tamar.christina@arm.com>
17102 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
17104 2021-02-25 Richard Biener <rguenther@suse.de>
17106 PR tree-optimization/99253
17107 * tree-vect-loop.c (check_reduction_path): First compute
17108 code, then verify out-of-loop uses.
17110 2021-02-25 Jakub Jelinek <jakub@redhat.com>
17113 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
17115 2021-02-25 Jakub Jelinek <jakub@redhat.com>
17117 PR tree-optimization/80635
17118 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
17119 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
17120 has mode precision.
17122 2021-02-25 Richard Biener <rguenther@suse.de>
17124 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
17125 load_map population.
17126 (vect_match_slp_patterns_2): Revert part of last change.
17127 (vect_analyze_slp): Do not interleave optimize_load_redistribution
17128 with pattern detection but do it afterwards. Dump the
17129 whole SLP graph after pattern recognition and load
17130 redistribution optimization finished.
17132 2021-02-24 Jakub Jelinek <jakub@redhat.com>
17135 * omp-low.c (struct omp_context): Add teams_nested_p and
17136 nonteams_nested_p members.
17137 (scan_omp_target): Diagnose teams nested inside of target with other
17138 directives strictly nested inside of the same target.
17139 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
17140 ctx->nonteams_nested_p as needed.
17142 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
17144 PR inline-asm/99123
17145 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
17147 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
17149 * config/cris/cris.c (cris_expand_prologue): Set
17150 current_function_static_stack_size, if flag_stack_usage_info.
17152 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
17154 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
17155 (rs6000_final_prescan_insn): Adjust.
17156 (rs6000_asm_output_opcode): Likewise.
17158 2021-02-24 Martin Sebor <msebor@redhat.com>
17160 PR middle-end/97172
17161 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
17162 from function arguments.
17164 2021-02-24 Tamar Christina <tamar.christina@arm.com>
17166 PR tree-optimization/99220
17167 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
17168 node from cache when it's about to be deleted.
17170 2021-02-24 Jakub Jelinek <jakub@redhat.com>
17172 PR tree-optimization/99225
17173 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
17174 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
17175 build_int_cst (..., 1). Formatting fixes.
17177 2021-02-24 Tamar Christina <tamar.christina@arm.com>
17179 PR tree-optimization/99149
17180 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
17182 (vect_slp_reset_pattern): Remove.
17183 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
17184 (complex_mul_pattern::build, complex_fma_pattern::build,
17185 complex_fms_pattern::build): Fix ref counts.
17186 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
17187 when node is being deleted.
17188 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
17189 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
17191 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
17193 2021-02-24 Matthias Klose <doko@ubuntu.com>
17196 2020-12-07 Matthias Klose <doko@ubuntu.com>
17198 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
17199 and ENABLE_RTL_FLAG_CHECKING.
17201 2021-02-24 Richard Biener <rguenther@suse.de>
17204 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
17206 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
17208 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
17209 (vsx_assemble_pair): ...to this.
17210 (*mma_assemble_pair): Rename from this...
17211 (*vsx_assemble_pair): ...to this.
17212 (mma_disassemble_pair): Rename from this...
17213 (vsx_disassemble_pair): ...to this.
17214 (*mma_disassemble_pair): Rename from this...
17215 (*vsx_disassemble_pair): ...to this.
17216 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
17217 BU_COMPAT): New macros.
17218 (mma_assemble_pair): Rename from this...
17219 (vsx_assemble_pair): ...to this.
17220 (mma_disassemble_pair): Rename from this...
17221 (vsx_disassemble_pair): ...to this.
17222 (mma_assemble_pair): New compatibility built-in.
17223 (mma_disassemble_pair): Likewise.
17224 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
17225 (RS6000_BUILTIN_COMPAT): Define.
17226 (bdesc_compat): New.
17227 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
17228 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
17229 and VSX_BUILTIN_ASSEMBLE_PAIR.
17230 (rs6000_init_builtins): Register compatibility built-ins.
17231 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
17232 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
17233 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
17234 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
17235 (__builtin_vsx_assemble_pair): ...to this.
17236 (__builtin_mma_disassemble_pair): Rename from this...
17237 (__builtin_vsx_disassemble_pair): ...to this.
17239 2021-02-23 Martin Liska <mliska@suse.cz>
17242 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
17243 with different alignment. That leads to an invalid red zone
17244 size allocated in runtime.
17246 2021-02-23 Jakub Jelinek <jakub@redhat.com>
17248 PR tree-optimization/99204
17249 * fold-const.c (fold_read_from_constant_string): Check that
17250 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
17252 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
17253 Kewen Lin <linkw@gcc.gnu.org>
17255 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
17256 (rotl<mode>3_insert_3): ...this.
17257 (plus_ior_xor): New code_iterator.
17258 (define_split for GPR rl*imi): New splitter.
17259 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
17260 for integer merging.
17262 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17264 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
17266 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
17267 into a register when the above is enabled.
17268 * config/aarch64/aarch64.c (neoversev1_tunings):
17269 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
17270 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
17272 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
17274 * config/cris/cris.c (cris_print_operand) <'T'>: Change
17275 valid operand from is now an addi mult-value to shift-value.
17276 * config/cris/cris.md (*addi): Change expression of scaled
17277 operand from mult to ashift.
17278 * config/cris/cris.md (*addi_reload): New insn_and_split.
17280 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
17283 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
17284 hook_bool_const_tree_hwi_hwi_const_tree_true.
17285 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
17287 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
17289 PR rtl-optimization/98791
17290 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
17291 for unordered modes.
17293 2021-02-22 Martin Liska <mliska@suse.cz>
17295 * tree-inline.c (inline_forbidden_p): Set
17296 inline_forbidden_reason.
17298 2021-02-22 Richard Biener <rguenther@suse.de>
17300 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
17303 2021-02-22 Richard Biener <rguenther@suse.de>
17305 PR tree-optimization/99165
17306 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
17307 Accumulate changed to ret.
17309 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
17312 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
17314 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
17316 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
17319 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
17321 (trunctf<DFP_ALL:mode>2): Likewise.
17322 (trunctdtf2_vr): Likewise.
17323 (trunctdtf2): Likewise.
17324 (extend<DFP_ALL:mode>tf2_vr): Likewise.
17325 (extend<DFP_ALL:mode>tf2): Likewise.
17326 (extendtftd2_vr): Likewise.
17327 (extendtftd2): Likewise.
17329 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
17331 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
17332 add memory alternative.
17333 (tf_to_fprx2): New pattern.
17335 2021-02-19 Martin Sebor <msebor@redhat.com>
17338 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
17339 (attr_access::free_lang_data): Remove a spurious test.
17341 2021-02-19 Nathan Sidwell <nathan@acm.org>
17343 * doc/invoke.texi (flang-info-module-read): Document.
17345 2021-02-19 Martin Liska <mliska@suse.cz>
17347 PR translation/99167
17348 * params.opt: Fix typo.
17350 2021-02-19 Richard Biener <rguenther@suse.de>
17352 PR middle-end/99122
17353 * tree-inline.c (inline_forbidden_p): Do not inline functions
17354 with VLA arguments or return value.
17356 2021-02-19 Jakub Jelinek <jakub@redhat.com>
17359 * config/arm/arm.md (*stack_protect_combined_set_insn,
17360 *stack_protect_combined_test_insn): If force_const_mem result
17361 is not valid general operand, force its address into the destination
17364 2021-02-19 Jakub Jelinek <jakub@redhat.com>
17367 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
17368 pad or non-local label, put FORCED_LABELs from bb b after that label
17369 rather than before it.
17371 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
17374 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
17375 expand_vector_broadcast' to emit the vec_duplicate operand.
17377 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
17379 PR rtl-optimization/96264
17380 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
17383 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
17386 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
17387 looking up the retain attribute.
17388 (resolve_unique_section): Likewise.
17389 (get_variable_section): Likewise.
17390 (switch_to_section): Likewise. Warn when a symbol without the
17391 retain attribute and a symbol with the retain attribute are
17392 placed in the section with the same name, instead of the used
17394 * doc/extend.texi: Document the "retain" attribute.
17396 2021-02-18 Nathan Sidwell <nathan@acm.org>
17399 * doc/invoke.texi (flang-info-include-translate): Document header
17402 2021-02-18 Richard Biener <rguenther@suse.de>
17404 PR middle-end/99122
17405 * ipa-fnsummary.c (analyze_function_body): Set
17406 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
17407 * tree-inline.c (insert_init_debug_bind): Pass NULL for
17408 error_mark_node values.
17409 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
17411 (setup_one_parameter): Delay force_value_to_type until when
17414 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
17416 PR tree-optimization/99142
17417 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
17419 2021-02-18 Jakub Jelinek <jakub@redhat.com>
17421 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
17422 wide_int_bitmask::wide_int_bitmask (uint64_t),
17423 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
17424 wide_int_bitmask::operator ~ () const,
17425 wide_int_bitmask::operator | (wide_int_bitmask) const,
17426 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
17428 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
17429 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
17430 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
17431 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
17432 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
17433 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
17434 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
17435 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
17436 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
17437 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
17438 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
17439 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
17440 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
17441 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
17442 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
17443 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
17444 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
17445 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
17446 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
17447 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
17448 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
17449 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
17450 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
17451 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
17453 2021-02-18 Jakub Jelinek <jakub@redhat.com>
17455 PR middle-end/99109
17456 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
17457 (build_printable_array_type): ... this. Add nelts argument. For
17458 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
17459 nelts, call build_array_type_nelts.
17460 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
17461 instead of build_zero_elt_array_type and build_array_type_nelts.
17463 2021-02-18 Jakub Jelinek <jakub@redhat.com>
17466 * config/i386/i386.c (distance_non_agu_define): Don't call
17467 extract_insn_cached here.
17468 (ix86_lea_outperforms): Save and restore recog_data around call
17469 to distance_non_agu_define and distance_agu_use.
17470 (ix86_ok_to_clobber_flags): Remove.
17471 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
17472 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
17473 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
17474 into define_insn. Move the splitting to define_peephole2 and
17475 check there using peep2_regno_dead_p if FLAGS_REG is dead.
17477 2021-02-17 Julian Brown <julian@codesourcery.com>
17479 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
17482 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
17485 * config/mips/mips.c (mips_symbol_insns): Do not use
17486 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
17488 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
17490 PR inline-asm/98096
17491 * stmt.c (resolve_operand_name_1): Take inout operands into account
17492 for access to labels by names.
17493 * doc/extend.texi: Describe counting operands for accessing labels.
17495 2021-02-16 Richard Biener <rguenther@suse.de>
17497 PR tree-optimization/38474
17498 * tree-ssa-structalias.c (variable_info::address_taken): New.
17499 (new_var_info): Initialize address_taken.
17500 (process_constraint): Set address_taken.
17501 (solve_constraints): Use the new address_taken flag rather
17502 than is_reg_var for sorting variables.
17503 (dump_constraint): Dump the variable number if the name
17506 2021-02-16 Jakub Jelinek <jakub@redhat.com>
17509 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
17510 multiply by 4096 and for inbranch by 8192.
17511 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
17512 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
17514 2021-02-15 Maya Rashish <coypu@sdf.org>
17516 * config/aarch64/aarch64.c (aarch64_init_builtins):
17517 Call SUBTARGET_INIT_BUILTINS.
17519 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
17521 PR rtl-optimization/98872
17522 * init-regs.c (initialize_uninitialized_regs): Skip initialization
17523 if CONST0_RTX is NULL.
17525 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
17527 PR rtl-optimization/98863
17528 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
17529 (function_info::build_info): Turn into a declaration, moving the
17530 definition to internals.h.
17531 (function_info::bb_walker): Declare.
17532 (function_info::create_reg_use): Likewise.
17533 (function_info::calculate_potential_phi_regs): Take a build_info
17535 (function_info::place_phis, function_info::create_ebbs): Declare.
17536 (function_info::calculate_ebb_live_in_for_debug): Likewise.
17537 (function_info::populate_backedge_phis): Delete.
17538 (function_info::start_block, function_info::end_block): Declare.
17539 (function_info::populate_phi_inputs): Delete.
17540 (function_info::m_potential_phi_regs): Move information to build_info.
17541 * rtl-ssa/internals.h: New file.
17542 (function_info::bb_phi_info): New class.
17543 (function_info::build_info): Moved from functions.h.
17544 Add a constructor and destructor.
17545 (function_info::build_info::ebb_use): Delete.
17546 (function_info::build_info::ebb_def): Likewise.
17547 (function_info::build_info::bb_live_out): Likewise.
17548 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
17549 (function_info::build_info::potential_phi_regs): Likewise.
17550 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
17551 (function_info::build_info::ebb_def_regs): Likewise.
17552 (function_info::build_info::bb_phis): Likewise.
17553 (function_info::build_info::bb_mem_live_out): Likewise.
17554 (function_info::build_info::bb_to_rpo): Likewise.
17555 (function_info::build_info::def_stack): Likewise.
17556 (function_info::build_info::old_def_stack_limit): Likewise.
17557 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
17558 Remove the regno argument. Push the previous definition onto the
17559 definition stack where necessary.
17560 * rtl-ssa/accesses.cc: Include internals.h.
17561 * rtl-ssa/changes.cc: Likewise.
17562 * rtl-ssa/blocks.cc: Likewise.
17563 (function_info::build_info::build_info): Define.
17564 (function_info::build_info::~build_info): Likewise.
17565 (function_info::bb_walker): New class.
17566 (function_info::bb_walker::bb_walker): Define.
17567 (function_info::add_live_out_use): Convert a logarithmic-complexity
17568 test into a linear one. Allow the same definition to be passed
17570 (function_info::calculate_potential_phi_regs): Moved from
17571 functions.cc. Take a build_info parameter and store the
17572 information there instead.
17573 (function_info::place_phis): New function.
17574 (function_info::add_entry_block_defs): Update call to record_reg_def.
17575 (function_info::calculate_ebb_live_in_for_debug): New function.
17576 (function_info::add_phi_nodes): Use bb_phis to decide which
17577 registers need phi nodes and initialize ebb_def_regs accordingly.
17578 Do not add degenerate phis here.
17579 (function_info::add_artificial_accesses): Use create_reg_use.
17580 Assert that all definitions are listed in the DF LR sets.
17581 Update call to record_reg_def.
17582 (function_info::record_block_live_out): Record live-out register
17583 values in the phis of successor blocks. Use the live-out set
17584 when processing the last block in an EBB, instead of always
17585 using the live-in sets of successor blocks. AND the live sets
17586 with the set of registers that have been defined in the EBB,
17587 rather than with all potential phi registers. Cope correctly
17588 with branches back to the start of the current EBB.
17589 (function_info::start_block): New function.
17590 (function_info::end_block): Likewise.
17591 (function_info::populate_phi_inputs): Likewise.
17592 (function_info::create_ebbs): Likewise.
17593 (function_info::process_all_blocks): Rewrite into a multi-phase
17595 * rtl-ssa/functions.cc: Include internals.h.
17596 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
17597 (function_info::init_function_data): Remove caller.
17598 * rtl-ssa/insns.cc: Include internals.h
17599 (function_info::create_reg_use): New function. Lazily any
17600 degenerate phis needed by the linear RPO view.
17601 (function_info::record_use): Use create_reg_use. When processing
17602 debug uses, use potential_phi_regs and test it before checking
17603 whether the register is live on entry to the current EBB. Lazily
17604 calculate ebb_live_in_for_debug.
17605 (function_info::record_call_clobbers): Update call to record_reg_def.
17606 (function_info::record_def): Likewise.
17608 2021-02-15 Martin Liska <mliska@suse.cz>
17610 * toplev.c (init_asm_output): Free output of
17611 gen_command_line_string function.
17612 (process_options): Likewise.
17614 2021-02-15 Martin Liska <mliska@suse.cz>
17616 * params.opt: Add 2 missing Param keywords.
17618 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
17620 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
17622 2021-02-15 Jakub Jelinek <jakub@redhat.com>
17624 PR tree-optimization/99079
17625 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
17626 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
17627 require both type and TREE_TYPE (@1) to be integral types and either
17628 type having smaller or equal precision, or TREE_TYPE (@1) being
17629 unsigned type, or type being signed type. If TREE_TYPE (@1)
17630 doesn't have wrapping overflow, perform the subtraction of one in
17633 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
17634 Richard Biener <rguether@suse.de>
17637 * ipa-reference.c (ipa_init): Only conditinally initialize
17638 reference_vars_to_consider.
17639 (propagate): Conditionally deninitialize reference_vars_to_consider.
17640 (ipa_reference_write_optimization_summary): Sanity check that
17641 reference_vars_to_consider is not allocated.
17643 2021-02-13 Levy Hsu <admin@levyhsu.com>
17646 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
17647 extend parameter to get_si_mem_base_reg declaration.
17648 (get_si_mem_base_reg): Add extend parameter. Set it.
17649 (analyze): Pass extend arg to get_si_mem_base_reg.
17650 (transform): Likewise. Use it when rewriting mems.
17651 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
17652 loads and emit sign/zero extending load followed by subreg move.
17654 2021-02-13 Jim Wilson <jimw@sifive.com>
17657 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
17658 exit when !reload_completed. Only perform check for compressed reg
17659 if reload_completed.
17660 (riscv_rtx_costs): In MEM case, when optimizing for size and
17661 shorten memrefs, if not compressible, then increase cost.
17663 2021-02-13 Jakub Jelinek <jakub@redhat.com>
17665 PR rtl-optimization/98439
17666 * recog.c (pass_split_before_regstack::gate): Enable even when
17667 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
17670 2021-02-13 Jakub Jelinek <jakub@redhat.com>
17673 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
17674 swap of V2SImode elements in memory into DImode memory rotate by 32.
17676 2021-02-12 Martin Sebor <msebor@redhat.com>
17678 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
17680 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
17682 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
17683 m_temp_obstack rather than m_obstack to allocate the temporary use.
17685 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
17687 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
17688 as read-modify operations.
17690 2021-02-12 Richard Biener <rguenther@suse.de>
17692 PR middle-end/38474
17693 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
17694 fbi->aa_walk_budget is bigger than zero. Update
17695 fbi->aa_walk_budget.
17696 (param_change_prob): Likewise.
17697 * ipa-prop.c (detect_type_change_from_memory_writes):
17698 Properly account walk_aliased_vdefs.
17699 (parm_preserved_before_stmt_p): Canonicalize updates.
17700 (parm_ref_data_preserved_p): Likewise.
17701 (parm_ref_data_pass_through_p): Likewise.
17702 (determine_known_aggregate_parts): Account own alias queries.
17704 2021-02-12 Martin Liska <mliska@suse.cz>
17706 * opts-common.c (decode_cmdline_option): Release werror_arg.
17707 * opts.c (gen_producer_string): Release output of
17708 gen_command_line_string.
17710 2021-02-12 Richard Biener <rguenther@suse.de>
17712 PR tree-optimization/38474
17713 * params.opt (-param=max-store-chains-to-track=): New param.
17714 (-param=max-stores-to-track=): Likewise.
17715 * doc/invoke.texi (max-store-chains-to-track): Document.
17716 (max-stores-to-track): Likewise.
17717 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
17719 (pass_store_merging::m_n_stores): Likewise.
17720 (pass_store_merging::terminate_and_process_chain): Update
17721 m_n_stores and m_n_chains.
17722 (pass_store_merging::process_store): Likewise. Terminate
17723 oldest chains if the number of stores or chains get too large.
17724 (imm_store_chain_info::terminate_and_process_chain): Dump
17727 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
17729 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
17730 the cold section, emit a nop before the directive if the previous
17731 active instruction can throw.
17733 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
17736 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
17737 memory addresses that are legal for quad word accesses.
17739 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
17742 * config/arm/thumb2.md (*doloop_end_internal): Generate
17743 alternative sequence to handle long range branches.
17745 2021-02-11 Joel Hutton <joel.hutton@arm.com>
17747 PR tree-optimization/98772
17748 * optabs-tree.c (supportable_half_widening_operation): New function
17749 to check for supportable V8QI->V8HI widening patterns.
17750 * optabs-tree.h (supportable_half_widening_operation): New function.
17751 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
17752 to create promotion stmts for V8QI->V8HI widening patterns.
17753 (vectorizable_conversion): Add case for V8QI->V8HI.
17755 2021-02-11 Richard Biener <rguenther@suse.de>
17757 * sparseset.h (SPARSESET_ELT_BITS): Remove.
17758 (SPARSESET_ELT_TYPE): Use unsigned int.
17759 * fwprop.c: Do not include sparseset.h.
17761 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17764 * varasm.c (declare_weak): For -fsyntax-only, allow even
17765 TREE_ASM_WRITTEN function decls.
17767 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17770 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
17771 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
17772 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
17773 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
17774 calling simplify_gen_subreg on it.
17776 2021-02-10 Martin Liska <mliska@suse.cz>
17778 * config/nvptx/nvptx.c (nvptx_option_override): Use
17779 flag_patchable_function_entry instead of the removed
17780 function_entry_patch_area_size.
17782 2021-02-10 Martin Liska <mliska@suse.cz>
17784 PR tree-optimization/99002
17785 PR tree-optimization/99026
17786 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
17787 leak when adjacent cases are merged.
17788 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
17790 (make_pass_lower_switch): Remove trailing whitespace.
17791 * tree-switch-conversion.h (release_clusters): New.
17793 2021-02-10 Richard Biener <rguenther@suse.de>
17795 PR rtl-optimization/99054
17796 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
17797 (fixup_partitions): Adjust.
17798 (rtl_verify_edges): Likewise.
17800 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17802 PR middle-end/99007
17803 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
17804 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
17807 2021-02-10 Richard Biener <rguenther@suse.de>
17810 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
17813 2021-02-10 Richard Biener <rguenther@suse.de>
17815 PR tree-optimization/99024
17816 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
17817 clear loop->aux if it is associated with the destroyed loop_vinfo.
17819 2021-02-10 Martin Liska <mliska@suse.cz>
17821 PR tree-optimization/99002
17822 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
17825 2021-02-10 Martin Liska <mliska@suse.cz>
17828 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
17829 a reference exists.
17831 2021-02-10 Jakub Jelinek <jakub@redhat.com>
17834 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
17835 at class scope for DWARF5+.
17837 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
17839 PR rtl-optimization/96015
17840 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
17841 (relax_delay_slots): When deleting a jump to the next active
17842 instruction over a barrier, first delete the barrier if the
17843 jump is the only way to reach the target label.
17845 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
17847 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
17848 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
17849 vector multiplies and vect.alu for SSRA.
17850 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
17851 vect.mul cost field.
17852 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
17853 * config/arm/arm.c: Likewise.
17855 2021-02-09 Richard Biener <rguenther@suse.de>
17857 PR tree-optimization/98863
17858 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
17859 * tree-ssa-sccvn.c (last_pushed_avail): New global.
17860 (rpo_elim::eliminate_push_avail): Chain pushed avails.
17861 (unwind_state::avail_top): Add.
17862 (do_unwind): Rewrite unwinding of avail entries.
17863 (do_rpo_vn): Initialize last_pushed_avail and
17864 avail_top of the undo state.
17866 2021-02-09 Jakub Jelinek <jakub@redhat.com>
17868 PR middle-end/99004
17869 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
17870 const char * to char * and free those pointers after use.
17872 2021-02-09 Richard Biener <rguenther@suse.de>
17874 PR tree-optimization/99017
17875 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
17876 zero vector cost entries.
17878 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
17880 PR middle-end/98974
17881 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
17882 parameter in vectorizable_condition.
17884 2021-02-08 Richard Biener <rguenther@suse.de>
17887 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
17889 2021-02-08 Martin Liska <mliska@suse.cz>
17892 * cfgexpand.c (pass_expand::execute): Parse per-function option
17893 flag_patchable_function_entry and use it.
17894 * common.opt: Remove function_entry_patch_area_size and
17895 function_entry_patch_area_start global variables.
17896 * opts.c (parse_and_check_patch_area): New function.
17897 (common_handle_option): Use it.
17898 * opts.h (parse_and_check_patch_area): New function.
17899 * toplev.c (process_options): Parse and use
17900 function_entry_patch_area_size.
17902 2021-02-08 Martin Sebor <msebor@redhat.com>
17904 * doc/extend.texi (attribute malloc): Correct typos.
17906 2021-02-05 Nathan Sidwell <nathan@acm.org>
17909 * gcc.c (driver::maybe_run_linker): Check for input file
17910 accessibility if not linking.
17912 2021-02-05 Richard Biener <rguenther@suse.de>
17914 PR tree-optimization/98855
17915 * tree-vectorizer.h (add_stmt_cost): New overload.
17916 * tree-vect-slp.c (li_cost_vec_cmp): New.
17917 (vect_bb_slp_scalar_cost): Cost individual loop regions
17918 separately. Account for the scalar instance root stmt.
17920 2021-02-05 Tom de Vries <tdevries@suse.de>
17923 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
17925 (bit_test_cluster::emit): Reuse location_t for newly created
17927 (switch_decision_tree::try_switch_expansion): Preserve
17929 * tree-switch-conversion.h: Change function signatures.
17931 2021-02-05 Jakub Jelinek <jakub@redhat.com>
17934 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
17935 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
17936 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
17937 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
17939 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17941 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
17942 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
17943 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
17944 (vget_high_f16): Reimplement using new builtin.
17945 (vget_high_f32): Likewise.
17946 (vget_high_f64): Likewise.
17947 (vget_high_p8): Likewise.
17948 (vget_high_p16): Likewise.
17949 (vget_high_p64): Likewise.
17950 (vget_high_s8): Likewise.
17951 (vget_high_s16): Likewise.
17952 (vget_high_s32): Likewise.
17953 (vget_high_s64): Likewise.
17954 (vget_high_u8): Likewise.
17955 (vget_high_u16): Likewise.
17956 (vget_high_u32): Likewise.
17957 (vget_high_u64): Likewise.
17959 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17961 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
17962 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
17963 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
17964 (vget_low_f16): Reimplement using new builtin.
17965 (vget_low_f32): Likewise.
17966 (vget_low_f64): Likewise.
17967 (vget_low_p8): Likewise.
17968 (vget_low_p16): Likewise.
17969 (vget_low_p64): Likewise.
17970 (vget_low_s8): Likewise.
17971 (vget_low_s16): Likewise.
17972 (vget_low_s32): Likewise.
17973 (vget_low_s64): Likewise.
17974 (vget_low_u8): Likewise.
17975 (vget_low_u16): Likewise.
17976 (vget_low_u32): Likewise.
17977 (vget_low_u64): Likewise.
17979 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
17981 * gcc.c (print_multilib_info): Check all required argument is provided
17984 2021-02-05 liuhongt <hongtao.liu@intel.com>
17987 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
17988 generate integer mask comparison for 128/256-bits vector when
17989 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
17990 delete redundant !maskcmp condition.
17991 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
17993 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
17994 condition directly to if (maskcmp), add extra check for
17995 cmpmode, it should be MODE_INT.
17996 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
17997 parameters op_true/op_false.
17998 (ix86_use_mask_cmp_p): New.
18000 2021-02-05 liuhongt <hongtao.liu@intel.com>
18003 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
18004 Remove m_GENERIC from ~list.
18005 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
18007 2021-02-04 David Malcolm <dmalcolm@redhat.com>
18010 * diagnostic-show-locus.c (compatible_locations_p): Require
18011 locations in the same macro map to be either both from the
18012 macro definition, or both from the macro arguments.
18014 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
18016 * config/aarch64/aarch64-simd-builtins.def: Add
18017 [su]mull_hi_lane[q] builtin generator macros.
18018 * config/aarch64/aarch64-simd.md
18019 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
18020 (aarch64_<su>mull_hi_lane<mode>): Define.
18021 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
18022 (aarch64_<su>mull_hi_laneq<mode>): Define.
18023 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
18024 builtin instead of inline asm.
18025 (vmull_high_lane_s32): Likewise.
18026 (vmull_high_lane_u16): Likewise.
18027 (vmull_high_lane_u32): Likewise.
18028 (vmull_high_laneq_s16): Likewise.
18029 (vmull_high_laneq_s32): Likewise.
18030 (vmull_high_laneq_u16): Likewise.
18031 (vmull_high_laneq_u32): Liekwise.
18033 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
18035 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
18036 builtin generator macros.
18037 * config/aarch64/aarch64-simd.md
18038 (aarch64_<su>mull_hi_n<mode>_insn): Define.
18039 (aarch64_<su>mull_hi_n<mode>): Define.
18040 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
18041 instead of inline asm.
18042 (vmull_high_n_s32): Likewise.
18043 (vmull_high_n_u16): Likewise.
18044 (vmull_high_n_u32): Likewise.
18046 2021-02-04 Richard Biener <rguenther@suse.de>
18048 PR tree-optimization/98855
18049 * tree-vect-loop.c (vectorizable_phi): Do not cost
18050 single-argument PHIs.
18051 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
18052 * tree-vect-stmts.c (vectorizable_bswap): Also perform
18053 costing for SLP operation.
18055 2021-02-04 Martin Liska <mliska@suse.cz>
18057 * doc/extend.texi: Mention -mprefer-vector-width in target
18060 2021-02-03 Martin Sebor <msebor@redhat.com>
18062 PR tree-optimization/98937
18063 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
18064 Flush pointer_query cache.
18066 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
18068 * config/rs6000/genfusion.pl (gen_2logical): Add missing
18069 fixes based on patch review.
18070 * config/rs6000/fusion.md: Regenerate file.
18072 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
18074 * config/rs6000/t-rs6000: Comment out auto generation of
18077 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
18079 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
18080 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
18081 (output_file_start): Add gfx908.
18082 * config/gcn/gcn.opt (gpu_type): Add gfx908.
18083 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
18084 (MULTILIB_DIRNAMES): Add gfx908.
18085 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
18086 (main): Recognize gfx908.
18087 * config/gcn/t-omp-device: Add gfx908.
18089 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
18091 * config/aarch64/aarch64-simd-builtins.def: Add
18092 [su]mlsl_hi_lane[q] builtin macro generators.
18093 * config/aarch64/aarch64-simd.md
18094 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
18095 (aarch64_<su>mlsl_hi_lane<mode>): Define.
18096 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
18097 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
18098 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
18099 builtin instead of inline asm.
18100 (vmlsl_high_lane_s32): Likewise.
18101 (vmlsl_high_lane_u16): Likewise.
18102 (vmlsl_high_lane_u32): Likewise.
18103 (vmlsl_high_laneq_s16): Likewise.
18104 (vmlsl_high_laneq_s32): Likewise.
18105 (vmlsl_high_laneq_u16): Likewise.
18106 (vmlsl_high_laneq_u32): Likewise.
18107 (vmlal_high_laneq_u32): Likewise.
18109 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
18111 * config/aarch64/aarch64-simd-builtins.def: Add
18112 [su]mlal_hi_lane[q] builtin generator macros.
18113 * config/aarch64/aarch64-simd.md
18114 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
18115 (aarch64_<su>mlal_hi_lane<mode>): Define.
18116 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
18117 (aarch64_<su>mlal_hi_laneq<mode>): Define.
18118 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
18119 builtin instead of inline asm.
18120 (vmlal_high_lane_s32): Likewise.
18121 (vmlal_high_lane_u16): Likewise.
18122 (vmlal_high_lane_u32): Likewise.
18123 (vmlal_high_laneq_s16): Likewise.
18124 (vmlal_high_laneq_s32): Likewise.
18125 (vmlal_high_laneq_u16): Likewise.
18126 (vmlal_high_laneq_u32): Likewise.
18128 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
18130 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
18131 builtin generator macros.
18132 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
18134 (aarch64_<su>mlsl_hi_n<mode>): Define.
18135 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
18136 instead of inline asm.
18137 (vmlsl_high_n_s32): Likewise.
18138 (vmlsl_high_n_u16): Likewise.
18139 (vmlsl_high_n_u32): Likewise.
18141 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
18143 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
18144 builtin generator macros.
18145 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
18147 (aarch64_<su>mlal_hi_n<mode>): Define.
18148 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
18149 instead of inline asm.
18150 (vmlal_high_n_s32): Likewise.
18151 (vmlal_high_n_u16): Likewise.
18152 (vmlal_high_n_u32): Likewise.
18154 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
18156 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
18158 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
18160 (aarch64_<su>mlal_hi<mode>_insn): This.
18161 (aarch64_<su>mlal_hi<mode>): Define.
18162 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
18163 instead of inline asm.
18164 (vmlal_high_s16): Likewise.
18165 (vmlal_high_s32): Likewise.
18166 (vmlal_high_u8): Likewise.
18167 (vmlal_high_u16): Likewise.
18168 (vmlal_high_u32): Likewise.
18170 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
18172 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
18173 after calling alter_subreg() on a (mem).
18175 2021-02-03 Martin Liska <mliska@suse.cz>
18178 * lto-streamer-out.c (produce_lto_section): Fill up missing
18180 * lto-streamer.h (struct lto_section): Add _padding field.
18182 2021-02-03 Richard Biener <rguenther@suse.de>
18184 * lto-streamer.c (lto_get_section_name): Free temporary
18186 * tree-loop-distribution.c
18187 (loop_distribution::merge_dep_scc_partitions): Free edge data.
18189 2021-02-03 Jakub Jelinek <jakub@redhat.com>
18191 PR middle-end/97487
18192 * ifcvt.c (noce_can_force_operand): New function.
18193 (noce_emit_move_insn): Use it.
18194 (noce_try_sign_mask): Likewise. Formatting fix.
18196 2021-02-03 Jakub Jelinek <jakub@redhat.com>
18198 PR middle-end/97971
18199 * lra-constraints.c (process_alt_operands): For inline asm, don't call
18200 fatal_insn, but instead return false.
18202 2021-02-03 Jakub Jelinek <jakub@redhat.com>
18204 PR tree-optimization/98287
18205 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
18208 2021-02-03 Tamar Christina <tamar.christina@arm.com>
18210 PR tree-optimization/98928
18211 * tree-vect-loop.c (vect_analyze_loop_2): Change
18212 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
18213 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
18214 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
18215 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
18217 2021-02-02 Richard Biener <rguenther@suse.de>
18219 * gimple-loop-interchange.cc (prepare_data_references):
18221 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
18222 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
18223 * tree-vect-stmts.c (vectorizable_condition): Do not
18225 (vectorizable_comparison): Likewise.
18227 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18229 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
18230 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
18231 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
18232 (vrsqrteq_u32): Likewise.
18234 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18236 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
18237 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
18238 (aarch64_sqxtun2<mode>_be): Likewise.
18239 (aarch64_sqxtun2<mode>): Likewise.
18240 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
18241 (vqmovun_high_s32): Likewise.
18242 (vqmovun_high_s64): Likewise.
18243 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
18245 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18247 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
18249 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
18251 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18253 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
18254 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
18255 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
18256 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
18257 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
18258 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
18259 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
18260 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
18262 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18264 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
18265 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
18266 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
18268 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18270 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
18271 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
18273 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18275 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
18276 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
18277 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
18278 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
18279 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
18280 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
18281 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
18282 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
18283 NONE builtin flags.
18285 2021-02-02 Jakub Jelinek <jakub@redhat.com>
18287 PR tree-optimization/98848
18288 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
18289 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
18291 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
18294 * expr.c: Check mode before calling store_expr.
18296 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
18298 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
18300 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
18301 instruction using expression ior.
18302 (mve_vornq_u<mode>): New expander.
18303 (mve_vornq_f<mode>): Use ior code instead of unspec.
18304 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
18306 2021-02-02 Alexandre Oliva <oliva@adacore.com>
18308 * tree-nested.c (convert_nonlocal_reference_op): Move
18309 current_function_decl restore after re-gimplification.
18310 (convert_local_reference_op): Likewise.
18312 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18314 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
18316 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
18318 (aarch64_rshrn<mode>_insn_be): Likewise.
18319 (aarch64_rshrn<mode>): Likewise.
18320 (aarch64_rshrn2<mode>_insn_le): Likewise.
18321 (aarch64_rshrn2<mode>_insn_be): Likewise.
18322 (aarch64_rshrn2<mode>): Likewise.
18323 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
18324 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
18326 (vrshrn_high_n_s32): Likewise.
18327 (vrshrn_high_n_s64): Likewise.
18328 (vrshrn_high_n_u16): Likewise.
18329 (vrshrn_high_n_u32): Likewise.
18330 (vrshrn_high_n_u64): Likewise.
18331 (vrshrn_n_s16): Likewise.
18332 (vrshrn_n_s32): Likewise.
18333 (vrshrn_n_s64): Likewise.
18334 (vrshrn_n_u16): Likewise.
18335 (vrshrn_n_u32): Likewise.
18336 (vrshrn_n_u64): Likewise.
18338 2021-02-01 Sergei Trofimovich <siarheit@google.com>
18340 PR tree-optimization/98499
18341 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
18342 conservatively and assume all possible side-effects.
18344 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18346 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
18347 vec_unpacku_hi_): Define builtins.
18348 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
18350 (vmovl_high_s16): Likewise.
18351 (vmovl_high_s32): Likewise.
18352 (vmovl_high_u8): Likewise.
18353 (vmovl_high_u16): Likewise.
18354 (vmovl_high_u32): Likewise.
18356 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18358 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
18360 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
18362 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
18364 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
18366 (vabdl_s16): Likewise.
18367 (vabdl_s32): Likewise.
18368 (vabdl_u8): Likewise.
18369 (vabdl_u16): Likewise.
18370 (vabdl_u32): Likewise.
18371 * config/aarch64/iterators.md (ABDL): New int iterator.
18372 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
18374 2021-02-01 Martin Sebor <msebor@redhat.com>
18376 * tree.h (BLOCK_VARS): Add comment.
18377 (BLOCK_SUBBLOCKS): Same.
18378 (BLOCK_SUPERCONTEXT): Same.
18379 (BLOCK_ABSTRACT_ORIGIN): Same.
18380 (inlined_function_outer_scope_p): Same.
18382 2021-02-01 Martin Sebor <msebor@redhat.com>
18384 PR middle-end/97172
18385 * attribs.c (attr_access::free_lang_data): Define new function.
18386 * attribs.h (attr_access::free_lang_data): Declare new function.
18388 2021-02-01 Richard Biener <rguenther@suse.de>
18390 * vec.h (auto_vec::auto_vec): Add memory stat parameters
18392 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
18394 2021-02-01 Tamar Christina <tamar.christina@arm.com>
18396 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
18397 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
18399 2021-02-01 Richard Biener <rguenther@suse.de>
18401 PR rtl-optimization/98863
18402 * config/i386/i386-features.c (convert_scalars_to_vector):
18403 Set DF_RD_PRUNE_DEAD_DEFS.
18405 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
18407 * system.h (SIZE_MAX): Define if not already defined.
18409 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
18411 * config/rs6000/genfusion.pl (gen_2logical): New function to
18412 generate patterns for logical-logical fusion.
18413 * config/rs6000/fusion.md: Regenerated patterns.
18414 * config/rs6000/rs6000-cpus.def: Add
18415 OPTION_MASK_P10_FUSION_2LOGICAL.
18416 * config/rs6000/rs6000.c (rs6000_option_override_internal):
18417 Enable logical-logical fusion for p10.
18418 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
18420 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
18422 * config/rs6000/rs6000.opt: Add periods to new AIX options.
18424 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
18426 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
18427 (mabi=vec-default): New.
18428 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
18429 __EXTABI__ for AIX Vector extended ABI.
18430 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
18432 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
18434 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
18436 2021-01-30 Jakub Jelinek <jakub@redhat.com>
18438 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
18439 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
18441 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
18444 * lra-constraints.c (in_class_p): Don't narrow class only for REG
18447 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
18449 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
18450 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
18451 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
18453 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
18455 PR tree-optimization/98866
18456 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
18457 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
18458 (gori_map::m_maybe_invariant): Rename from all_outgoing.
18459 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
18460 (gori_map::is_export_p): Ditto.
18461 (gori_map::calculate_gori): Ditto.
18462 (gori_compute::set_range_invariant): New.
18463 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
18464 invariant for pointers evaluating to [1, +INF].
18466 2021-01-29 Richard Biener <rguenther@suse.de>
18468 PR rtl-optimization/98863
18469 * config/i386/i386-features.c (remove_partial_avx_dependency):
18470 Do not perform DF analysis.
18471 (pass_data_remove_partial_avx_dependency): Remove
18474 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
18476 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
18477 builtin generator macros.
18478 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
18480 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
18481 instead of inline asm.
18482 (vmull_n_s32): Likewise.
18483 (vmull_n_u16): Likewise.
18484 (vmull_n_u32): Likewise.
18486 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18488 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
18490 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
18492 (aarch64_<sur>abdl2<mode>): ... This.
18493 (<sur>sadv16qi): Adjust use of above.
18494 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
18496 (vabdl_high_s16): Likewise.
18497 (vabdl_high_s32): Likewise.
18498 (vabdl_high_u8): Likewise.
18499 (vabdl_high_u16): Likewise.
18500 (vabdl_high_u32): Likewise.
18502 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18504 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
18506 (uabal2): Likewise.
18507 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
18509 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
18511 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
18513 (vabal_high_s16): Likewise.
18514 (vabal_high_s32): Likewise.
18515 (vabal_high_u8): Likewise.
18516 (vabal_high_u16): Likewise.
18517 (vabal_high_u32): Likewise.
18518 * config/aarch64/iterators.md (ABAL2): New mode iterator.
18519 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
18521 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18523 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
18526 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
18528 (aarch64_<sur>abal<mode>): ... This
18529 (<sur>sadv16qi): Adust use of the above.
18530 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
18532 (vabal_s16): Likewise.
18533 (vabal_s32): Likewise.
18534 (vabal_u8): Likewise.
18535 (vabal_u16): Likewise.
18536 (vabal_u32): Likewise.
18538 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18540 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
18542 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
18544 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
18546 (vaddlv_s16): Likewise.
18547 (vaddlv_u8): Likewise.
18548 (vaddlv_u16): Likewise.
18549 (vaddlvq_s8): Likewise.
18550 (vaddlvq_s16): Likewise.
18551 (vaddlvq_s32): Likewise.
18552 (vaddlvq_u8): Likewise.
18553 (vaddlvq_u16): Likewise.
18554 (vaddlvq_u32): Likewise.
18555 (vaddlv_s32): Likewise.
18556 (vaddlv_u32): Likewise.
18557 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
18558 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
18559 (Vwstype): New mode attribute.
18561 (VWIDE_S): Likewise.
18562 (USADDLV): New int iterator.
18563 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
18565 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
18567 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
18568 builtin generator macros.
18569 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
18571 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
18572 instead of inline asm.
18573 (vmlsl_lane_s32): Likewise.
18574 (vmlsl_lane_u16): Likewise.
18575 (vmlsl_lane_u32): Likewise.
18576 (vmlsl_laneq_s16): Likewise.
18577 (vmlsl_laneq_s32): Likewise.
18578 (vmlsl_laneq_u16): Likewise.
18579 (vmlsl_laneq_u32): Likewise.
18581 2021-01-29 Richard Biener <rguenther@suse.de>
18583 * doc/invoke.texi (--param max-gcse-memory): Document unit
18585 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
18586 * params.opt (--param max-gcse-memory): Adjust default and
18587 document unit of size.
18589 2021-01-29 Richard Biener <rguenther@suse.de>
18591 PR rtl-optimization/98863
18592 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
18593 HOST_WIDE_INT for the memory estimate.
18595 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
18596 Richard Biener <rguenther@suse.de>
18598 PR tree-optimization/97627
18599 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
18600 Do not analyze fake edges.
18602 2021-01-29 Richard Biener <rguenther@suse.de>
18604 PR rtl-optimization/98144
18605 * df.h (df_mir_bb_info): Add con_visited member.
18606 * df-problems.c (df_mir_alloc): Initialize con_visited,
18607 do not fully populate IN and OUT.
18608 (df_mir_reset): Likewise.
18609 (df_mir_confluence_0): Set con_visited.
18610 (df_mir_confluence_n): Properly handle implicitely
18611 fully populated IN and OUT as designated by con_visited
18612 and update con_visited accordingly.
18614 2021-01-29 Jakub Jelinek <jakub@redhat.com>
18617 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
18618 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
18619 && !TARGET_REALLY_IWMMXT to conditions.
18621 2021-01-29 Jakub Jelinek <jakub@redhat.com>
18624 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
18627 2021-01-28 Marek Polacek <polacek@redhat.com>
18630 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
18631 the main variant, maybe reset it in its variants too.
18632 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
18633 (check_aligned_type): Check if TYPE_USER_ALIGN match.
18635 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
18638 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
18639 of constant zero for comparisons.
18641 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
18643 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
18644 support for mapping built-in function names for long double
18645 built-in functions if long double is IEEE 128-bit.
18647 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
18649 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
18650 builtin generator macros.
18651 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
18653 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
18654 instead of inline asm.
18655 (vmlsl_n_s32): Likewise.
18656 (vmlsl_n_u16): Likewise.
18657 (vmlsl_n_u32): Likewise.
18659 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
18661 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
18662 builtin generator macros.
18663 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
18665 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
18666 instead of inline asm.
18667 (vmlal_n_s32): Likewise.
18668 (vmlal_n_u16): Likewise.
18669 (vmlal_n_u32): Likewise.
18671 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18673 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
18675 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
18677 (aarch64_shrn2<mode>_insn_be): Likewise.
18678 (aarch64_shrn2<mode>): Likewise.
18679 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
18681 (vshrn_high_n_s32): Likewise.
18682 (vshrn_high_n_s64): Likewise.
18683 (vshrn_high_n_u16): Likewise.
18684 (vshrn_high_n_u32): Likewise.
18685 (vshrn_high_n_u64): Likewise.
18687 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18689 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
18691 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
18693 (aarch64_shrn<mode>_insn_be): Likewise.
18694 (aarch64_shrn<mode>): Likewise.
18695 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
18697 (vshrn_n_s32): Likewise.
18698 (vshrn_n_s64): Likewise.
18699 (vshrn_n_u16): Likewise.
18700 (vshrn_n_u32): Likewise.
18701 (vshrn_n_u64): Likewise.
18702 * config/aarch64/iterators.md (vn_mode): New mode attribute.
18704 2021-01-28 Richard Biener <rguenther@suse.de>
18706 PR rtl-optimization/80960
18707 * dse.c (check_mem_read_rtx): Call get_addr on the
18710 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
18711 David Edelsohn <dje.gcc@gmail.com>
18714 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18715 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
18717 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
18719 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
18720 wrapper call rs6000_expand_vector_set_var for cleanup. Call
18721 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
18723 (rs6000_expand_vector_set_var): Delete.
18724 (rs6000_expand_vector_set_var_p9): Make static.
18725 (rs6000_expand_vector_set_var_p8): Make static.
18727 2021-01-28 Xing GUO <higuoxing@gmail.com>
18729 * common/config/riscv/riscv-common.c
18730 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
18731 when `p` extension exists.
18733 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
18735 PR rtl-optimization/97684
18736 * ira.c (ira): Call ira_set_pseudo_classes before
18737 update_equiv_regs when it is necessary.
18739 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18742 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
18743 %w0, %w1 and %2 instead of %0, %1 and %2.
18745 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
18747 * config/rs6000/genfusion.pl: New script to generate
18748 define_insn_and_split patterns so combine can arrange fused
18749 instructions next to each other.
18750 * config/rs6000/fusion.md: New file, generated fused instruction
18751 patterns for combine.
18752 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
18753 (non_update_memory_operand): New predicate.
18754 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
18755 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
18757 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
18759 * config/rs6000/rs6000.c (rs6000_option_override_internal):
18760 Automatically set OPTION_MASK_P10_FUSION and
18761 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
18762 (rs600_opt_masks): Allow -mpower10-fusion
18763 in function attributes.
18764 (address_is_non_pfx_d_or_x): New function.
18765 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
18766 * config/rs6000/rs6000.md: Include fusion.md.
18767 * config/rs6000/rs6000.opt: Add -mpower10-fusion
18768 and -mpower10-fusion-ld-cmpi.
18769 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
18771 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18773 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
18774 builtin generator macros.
18775 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
18777 (aarch64_<su>mlal<mode>): This.
18778 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
18779 instead of inline asm.
18780 (vmlal_s16): Likewise.
18781 (vmlal_s32): Likewise.
18782 (vmlal_u8): Likewise.
18783 (vmlal_u16): Likewise.
18784 (vmlal_u32): Likewise.
18786 2021-01-27 Richard Biener <rguenther@suse.de>
18788 PR tree-optimization/98854
18789 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
18790 PHIs from scalars when the number of CTORs matches the
18791 number of children.
18793 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18795 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
18797 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
18799 (aarch64_mls_n<mode>): This.
18800 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
18802 (vmls_n_s32): Likewise.
18803 (vmls_n_u16): Likewise.
18804 (vmls_n_u32): Likewise.
18805 (vmlsq_n_s16): Likewise.
18806 (vmlsq_n_s32): Likewise.
18807 (vmlsq_n_u16): Likewise.
18808 (vmlsq_n_u32): Likewise.
18810 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18812 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
18814 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
18816 (vmls_s16): Likewise.
18817 (vmls_s32): Likewise.
18818 (vmls_u8): Likewise.
18819 (vmls_u16): Likewise.
18820 (vmls_u32): Likewise.
18821 (vmlsq_s8): Likewise.
18822 (vmlsq_s16): Likewise.
18823 (vmlsq_s32): Likewise.
18824 (vmlsq_u8): Likewise.
18825 (vmlsq_u16): Likewise.
18826 (vmlsq_u32): Likewise.
18828 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
18830 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
18832 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
18834 (aarch64_mla_n<mode>): This.
18835 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
18837 (vmla_n_s32): Likewise.
18838 (vmla_n_u16): Likewise.
18839 (vmla_n_u32): Likewise.
18840 (vmlaq_n_s16): Likewise.
18841 (vmlaq_n_s32): Likewise.
18842 (vmlaq_n_u16): Likewise.
18843 (vmlaq_n_u32): Likewise.
18845 2021-01-27 liuhongt <hongtao.liu@intel.com>
18848 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
18849 (*sse2_eq<mode>3): Ditto.
18851 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18853 * tree-pass.h (PROP_trees): Rename to ...
18854 (PROP_gimple): ... this.
18855 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
18856 * passes.c (execute_function_dump, execute_function_todo,
18857 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
18858 * varpool.c (ctor_for_folding): Likewise.
18860 2021-01-27 Jakub Jelinek <jakub@redhat.com>
18862 PR tree-optimization/97260
18863 * varpool.c: Include tree-pass.h.
18864 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
18865 non-TREE_SIDE_EFFECTS automatic variables.
18867 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
18869 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
18871 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
18872 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
18873 (gen_compile_unit_die): Recognise C++23.
18875 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18878 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
18881 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18884 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
18885 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
18886 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
18888 2021-01-26 Richard Biener <rguenther@suse.de>
18890 * gimple-pretty-print.c (dump_binary_rhs): Handle
18891 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
18893 2021-01-26 Richard Biener <rguenther@suse.de>
18895 PR middle-end/98726
18896 * tree.h (vector_cst_int_elt): Remove.
18897 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
18900 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
18902 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
18903 for V64DFmode min/max reductions.
18905 2021-01-26 Jakub Jelinek <jakub@redhat.com>
18907 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
18908 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
18909 two halves, one with x and the other with const0_rtx, ordered
18910 depending on endianity.
18912 2021-01-26 Alexandre Oliva <oliva@adacore.com>
18914 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
18915 temporaries not seen in binding block, and not about to be
18916 added as gimple variables.
18918 2021-01-25 Martin Sebor <msebor@redhat.com>
18921 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
18923 2021-01-25 Martin Liska <mliska@suse.cz>
18925 * value-prof.c (get_nth_most_common_value): Use %s instead
18928 2021-01-25 Jakub Jelinek <jakub@redhat.com>
18931 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
18932 readelf -wi is able to read the emitted .debug_info back.
18933 * configure: Regenerated.
18935 2021-01-25 Martin Liska <mliska@suse.cz>
18937 PR gcov-profile/98739
18938 * common.opt: Add missing sign symbol.
18939 * value-prof.c (get_nth_most_common_value): Restore handling
18940 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
18941 PROFILE_REPRODUCIBILITY_MULTITHREADED.
18943 2021-01-25 Richard Biener <rguenther@suse.de>
18945 PR middle-end/98807
18946 * tree.c (vector_element_bits): Always use precision of
18947 the element type for boolean vectors.
18949 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
18951 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
18952 (ENDFILE_SPEC): Evaluate qnolinkcmds.
18954 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
18956 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
18957 nostartfiles handling since this is already done by
18958 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
18959 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
18960 is already done by LINK_COMMAND_SPEC.
18961 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
18962 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
18965 2021-01-25 Jakub Jelinek <jakub@redhat.com>
18968 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
18969 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
18970 value rather than host size_t.
18971 (fold_const_call): Change type of s2 from size_t to
18972 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
18973 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
18974 instead of s2 as last argument.
18976 2021-01-25 Tamar Christina <tamar.christina@arm.com>
18978 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
18979 VCMLA_OP, VCMUL_OP): New.
18980 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
18981 * config/arm/neon.md (cmul<conj_op><mode>3): New.
18982 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
18983 UNSPEC_VCMUL_CONJ): New.
18984 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
18985 cml<fcmac1><conj_op><mode>4): New.
18987 2021-01-23 Jakub Jelinek <jakub@redhat.com>
18990 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
18992 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
18994 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
18996 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
18998 (vmla_s16): Likewise.
18999 (vmla_s32): Likewise.
19000 (vmla_u8): Likewise.
19001 (vmla_u16): Likewise.
19002 (vmla_u32): Likewise.
19003 (vmlaq_s8): Likewise.
19004 (vmlaq_s16): Likewise.
19005 (vmlaq_s32): Likewise.
19006 (vmlaq_u8): Likewise.
19007 (vmlaq_u16): Likewise.
19008 (vmlaq_u32): Likewise.
19010 2021-01-22 David Malcolm <dmalcolm@redhat.com>
19012 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
19015 2021-01-22 Jakub Jelinek <jakub@redhat.com>
19018 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
19019 filenames to emit, still emit the required 0 index directory and
19020 filename entries that match DW_AT_comp_dir and DW_AT_name of the
19023 2021-01-22 Marek Polacek <polacek@redhat.com>
19026 * doc/invoke.texi: Update C++ ABI Version 15 description.
19028 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19030 PR tree-optimization/98766
19031 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
19032 comparing against type size with param_avoid_fma_max_bits.
19034 2021-01-22 Richard Biener <rguenther@suse.de>
19036 PR middle-end/98793
19037 * tree.c (vector_element_bits): Key single-bit bool vector on
19038 integer mode rather than not vector mode.
19040 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
19043 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19044 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
19046 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
19047 to call different path for P8 and P9.
19048 (rs6000_expand_vector_set_var_p9): New function.
19049 (rs6000_expand_vector_set_var_p8): New function.
19051 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
19055 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19056 Ajdust variable index vec_insert from address dereference to
19057 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
19058 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
19060 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
19062 2021-01-22 Martin Liska <mliska@suse.cz>
19064 PR gcov-profile/98739
19065 * profile.c (compute_value_histograms): Drop time profile for
19066 -fprofile-reproducible=multithreaded.
19068 2021-01-22 Nathan Sidwell <nathan@acm.org>
19070 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
19073 2021-01-22 Richard Biener <rguenther@suse.de>
19075 PR middle-end/98773
19076 * tree-data-ref.c (initalize_matrix_A): Revert previous
19077 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
19079 2021-01-22 Jakub Jelinek <jakub@redhat.com>
19081 PR tree-optimization/90248
19082 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
19083 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
19085 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
19086 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
19088 2021-01-22 Jakub Jelinek <jakub@redhat.com>
19090 PR tree-optimization/98255
19091 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
19092 extend index - low_bound from sizetype's precision rather than index
19094 (get_addr_base_and_unit_offset_1): Likewise.
19095 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
19096 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
19098 2021-01-22 Richard Biener <rguenther@suse.de>
19100 PR tree-optimization/98786
19101 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
19102 adding new uses of abnormals. Verify we deal with a conditional
19105 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
19108 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
19110 2021-01-22 liuhongt <hongtao.liu@intel.com>
19114 * config/i386/sse.md (VI_128_256): New mode iterator.
19115 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
19116 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
19117 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
19118 define_insn_and_split to lower avx512 vector comparison to avx
19119 version when dest is vector.
19120 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
19121 define_insn_and_split for negating the comparison result.
19122 * config/i386/predicates.md (float_vector_all_ones_operand):
19124 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
19125 general NOT operator without UNSPEC_MASKOP.
19127 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
19129 PR rtl-optimization/98777
19130 * lra-int.h (lra_pmode_pseudo): New extern.
19131 * lra.c (lra_pmode_pseudo): New global.
19133 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
19135 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
19137 * fwprop.c (fwprop_propagation::classify_result): Allow
19138 (subreg (mem)) simplifications.
19140 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19142 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
19144 (aarch64_sqdmlal<mode>): ... This...
19145 (aarch64_sqdmlsl<mode>): ... And this.
19146 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
19147 (aarch64_sqdmlal_lane<mode>): ... This...
19148 (aarch64_sqdmlsl_lane<mode>): ... And this.
19149 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
19150 (aarch64_sqdmlsl_laneq<mode>): ... This...
19151 (aarch64_sqdmlal_laneq<mode>): ... And this.
19152 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
19153 (aarch64_sqdmlsl_n<mode>): ... This...
19154 (aarch64_sqdmlal_n<mode>): ... And this.
19155 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
19156 (aarch64_sqdmlal2<mode>_internal): ... This...
19157 (aarch64_sqdmlsl2<mode>_internal): ... And this.
19159 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
19161 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
19163 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
19166 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
19168 2021-01-21 liuhongt <hongtao.liu@intel.com>
19170 PR rtl-optimization/98694
19171 * regcprop.c (copy_value): If SRC had been assigned a mode
19172 narrower than the copy, we can't link DEST into the chain even
19173 they have same hard_regno_nregs(i.e. HImode/SImode in i386
19176 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19178 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
19179 Convert to define_insn_and_split. Split into simple move when moving
19182 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
19184 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
19185 Adjust comment. Simplify code.
19187 2021-01-20 Jakub Jelinek <jakub@redhat.com>
19190 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
19191 with DW_FORM_line_strp form.
19192 (prune_unused_types_update_strings): Don't add into debug_str_hash
19193 indirect strings with DW_FORM_line_strp form.
19194 (adjust_name_comp_dir): New function.
19195 (dwarf2out_finish): Call it on CU DIEs after resetting
19196 debug_line_str_hash.
19198 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
19200 PR rtl-optimization/98722
19201 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
19202 has no 3-op add insn to transform insns containing two pluses.
19204 2021-01-20 Richard Biener <rguenther@suse.de>
19206 * hwint.h (add_hwi): New function.
19207 (mul_hwi): Likewise.
19208 * tree-data-ref.c (initialize_matrix_A): Properly translate
19209 tree constants and avoid HOST_WIDE_INT_MIN.
19210 (lambda_matrix_row_add): Avoid undefined integer overflow
19211 and return true on such overflow.
19212 (lambda_matrix_right_hermite): Handle overflow from
19213 lambda_matrix_row_add gracefully. Simplify previous fix.
19214 (analyze_subscript_affine_affine): Likewise.
19216 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
19218 PR tree-optimization/96674
19219 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
19220 x >= y && y != XXX_MIN --> x > y - 1
19222 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
19224 PR tree-optimization/98535
19225 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
19226 If the high and low permutes are the same, remove the high permutes
19227 from the working set and only continue with the low ones.
19229 2021-01-20 Jakub Jelinek <jakub@redhat.com>
19231 PR tree-optimization/98721
19232 * builtins.c (access_ref::inform_access): Don't assume
19233 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
19234 object whenever allocfn is NULL, rather than only when DECL_P
19235 is true. Use %qE instead of %qD for that. Formatting fixes.
19237 2021-01-20 Richard Biener <rguenther@suse.de>
19239 PR tree-optimization/98758
19240 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
19241 (lambda_matrix_right_hermite): Avoid undefinedness with
19242 signed integer abs and multiplication.
19243 (analyze_subscript_affine_affine): Use lambda_int.
19245 2021-01-20 David Malcolm <dmalcolm@redhat.com>
19248 * dwarf2out.c (output_line_info): Rename static variable
19249 "generation", moving it out of the function to...
19250 (output_line_info_generation): New.
19251 (init_sections_and_labels): Likewise, renaming the variable to...
19252 (init_sections_and_labels_generation): New.
19253 (dwarf2out_c_finalize): Reset the new variables.
19255 2021-01-19 Martin Sebor <msebor@redhat.com>
19257 PR middle-end/98664
19258 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
19259 all functions, even if they're not declared artificial or inline.
19260 * tree.c (tree_inlined_location): Use macro expansion location
19261 only if scope traversal fails to expose one.
19263 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
19265 PR rtl-optimization/92294
19266 * alias.c (compare_base_symbol_refs): Take an extra parameter
19267 and add the distance between two symbols to it. Enshrine in
19268 comments that -1 means "either 0 or 1, but we can't tell
19269 which at compile time".
19270 (memrefs_conflict_p): Update call accordingly.
19271 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
19274 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19276 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
19277 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
19278 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
19279 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
19280 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
19281 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
19282 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
19283 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
19284 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
19285 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
19286 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
19287 sqmovun): Use NONE flags.
19289 2021-01-19 Richard Biener <rguenther@suse.de>
19292 * ipa-modref.c (analyze_stmt): Only record a summary for a
19295 2021-01-19 Richard Biener <rguenther@suse.de>
19297 PR middle-end/98638
19298 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
19300 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
19302 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
19303 built-in define __FIX_LEON3FT_TN0018.
19305 2021-01-19 Richard Biener <rguenther@suse.de>
19308 * tree-inline.c (tree_function_versioning): Set input_location
19309 to UNKNOWN_LOCATION throughout the function.
19311 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
19314 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
19316 2021-01-19 Martin Jambor <mjambor@suse.cz>
19319 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
19320 whether non-call exceptions allow removal of a statement.
19321 (isra_analyze_call): Pass the appropriate function to
19322 ssa_name_only_returned_p.
19324 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
19326 * config/riscv/arch-canonicalize (longext_sort): New function for
19327 sorting 'multi-letter'.
19328 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
19329 'alts'. The 'arch' may not be the first of 'alts'.
19330 (_expand_combination): Add underline for the 'ext' without '*'.
19331 This is because, a single-letter extension can always be treated well
19332 with a '_' prefix, but it cannot be separated out if it is appended
19335 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
19338 * ira.c (ira): Skip abnormal critical edge splitting.
19340 2021-01-18 Jakub Jelinek <jakub@redhat.com>
19342 PR tree-optimization/98727
19343 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
19344 second .MUL_OVERFLOW operand for signed multiplication with overflow
19345 checking if the second operand of multiplication is not constant.
19347 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
19349 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
19350 defaults to version 4.
19352 2021-01-18 David Malcolm <dmalcolm@redhat.com>
19354 * attribs.h (fndecl_dealloc_argno): New decl.
19355 * builtins.c (call_dealloc_argno): Split out second half of
19357 (fndecl_dealloc_argno): New.
19358 * doc/extend.texi (Common Function Attributes): Document the
19359 interaction between the analyzer and the malloc attribute.
19360 * doc/invoke.texi (Static Analyzer Options): Likewise.
19362 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
19364 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
19365 dwarf_version to 4.
19366 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19368 2021-01-17 Martin Jambor <mjambor@suse.cz>
19371 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
19374 2021-01-17 Mark Wielaard <mark@klomp.org>
19376 * common.opt (gdwarf-): Init(5).
19377 * doc/invoke.texi (-gdwarf): Document default to 5.
19379 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
19381 * builtin-types.def
19382 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
19384 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
19385 ...this. Add extra argument.
19386 * gimplify.c (omp_default_clause): Ensure that event handle is
19387 firstprivate in a task region.
19388 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
19389 (gimplify_adjust_omp_clauses): Likewise.
19390 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
19391 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
19392 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
19393 if detach clause specified. Add detach argument when generating
19395 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
19397 (finish_taskreg_scan): Move field for variable containing the event
19398 handle to the front of the struct.
19399 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
19401 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
19402 OMP_CLAUSE_DETACH clause.
19403 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
19404 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
19405 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
19407 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
19409 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
19411 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
19413 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
19414 multilib directory names. Use MULTILIB_REQUIRED instead of
19415 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
19416 -mcustom-fpu-cfg=fph2 multilib.
19418 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
19420 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
19421 (nios2_init_fpu_configs): Provide register values for new
19422 -mcustom-fpu-cfg=fph2 option variant.
19423 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
19426 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
19428 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
19429 custom instruction warnings.
19431 2021-01-16 Jakub Jelinek <jakub@redhat.com>
19433 PR tree-optimization/96669
19434 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
19436 2021-01-16 Jakub Jelinek <jakub@redhat.com>
19438 PR tree-optimization/96271
19439 * passes.def: Pass false argument to first two pass_cd_dce
19440 instances and true to last instance. Add comment that
19441 last instance rewrites no longer addressed locals.
19442 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
19444 (pass_cd_dce::set_pass_param): New method.
19445 (pass_cd_dce::execute): Return TODO_update_address_taken from
19446 last cd_dce instance.
19448 2021-01-15 Carl Love <cel@us.ibm.com>
19450 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
19452 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
19453 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
19454 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
19455 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
19456 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
19457 Add builtin define.
19458 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
19459 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
19460 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
19461 New overloaded definitions.
19462 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
19463 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
19464 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
19465 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
19466 P10V_BUILTIN_MULHU_V4SI]: Add case
19467 statement for builtins.
19468 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
19469 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
19470 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
19471 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
19472 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
19473 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
19474 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
19475 Add define_insn, mode is VIlong.
19476 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
19477 Add builtin descriptions.
19479 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
19481 * final.c (final_start_function_1): Reset force_source_line.
19483 2021-01-15 Jakub Jelinek <jakub@redhat.com>
19485 PR tree-optimization/96669
19486 * match.pd (((1 << A) & 1) != 0 -> A == 0,
19487 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
19488 possibly different power of two constants and to right shift too.
19490 2021-01-15 Jakub Jelinek <jakub@redhat.com>
19492 PR tree-optimization/96681
19493 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
19494 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
19495 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
19496 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
19498 2021-01-15 Alexandre Oliva <oliva@adacore.com>
19500 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
19502 2021-01-15 Tamar Christina <tamar.christina@arm.com>
19504 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
19505 cmul<conj_op><mode>3): New.
19506 * config/aarch64/iterators.md (UNSPEC_FCMUL,
19507 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
19508 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
19509 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
19510 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
19511 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
19512 (rot_op): Renamed to conj_op.
19513 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
19514 cmul<conj_op><mode>3): New.
19515 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
19516 cmul<conj_op><mode>3): New.
19518 2021-01-15 David Malcolm <dmalcolm@redhat.com>
19522 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
19523 Escape the tempfile name when constructing the expected output.
19525 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19527 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
19529 (aarch64_<su>mlsl_hi<mode>): ... This.
19530 (aarch64_<su>mlsl_hi<mode>): Define.
19531 (*aarch64_<su>mlsl<mode): Rename to...
19532 (aarch64_<su>mlsl<mode): ... This.
19533 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
19534 smlsl_hi, umlsl_hi): Define builtins.
19535 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
19536 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
19537 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
19538 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
19540 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
19542 * config/i386/i386-c.c (ix86_target_macros):
19543 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
19545 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
19548 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
19549 * Makefile.in (RTL_SSA_H): New variable.
19550 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
19551 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
19552 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
19554 * config/aarch64/aarch64-cc-fusion.cc: New file.
19556 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
19558 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
19559 calling cancel_changes for changes that no longer exist.
19561 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
19563 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
19564 (function_info::reg_defs): ...this.
19565 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
19566 (function_info::reg_defs): ...this.
19568 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19571 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19573 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19576 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19579 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19581 2021-01-15 Richard Biener <rguenther@suse.de>
19583 PR tree-optimization/96376
19584 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
19585 for VMAT_INVARIANT.
19587 2021-01-15 Martin Liska <mliska@suse.cz>
19589 * doc/install.texi: Document that some tests need pytest module.
19590 * doc/sourcebuild.texi: Likewise.
19592 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19595 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
19597 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19599 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
19600 (mve_vshrq_n_u<mode>_imm): Likewise.
19601 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
19602 * config/arm/vec-common.md: ... here.
19604 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
19606 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
19608 * config/arm/neon.md (vashl<mode>3): Delete.
19609 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
19610 (vasl<mode>3): New expander.
19612 2021-01-15 Richard Biener <rguenther@suse.de>
19614 PR tree-optimization/98685
19615 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
19616 of vector extern defs.
19618 2021-01-14 David Malcolm <dmalcolm@redhat.com>
19621 * diagnostic.c (diagnostic_kind_text): Break out this array
19623 (diagnostic_build_prefix): ...here.
19624 (fancy_abort): Detect when diagnostic_initialize has not yet been
19625 called and fall back to a minimal implementation of printing the
19626 ICE, rather than segfaulting in internal_error.
19628 2021-01-14 David Malcolm <dmalcolm@redhat.com>
19630 * diagnostic.c (diagnostic_initialize): Eliminate
19631 parseable_fixits_p in favor of initializing extra_output_kind from
19632 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
19633 (convert_column_unit): New function, split out from...
19634 (diagnostic_converted_column): ...this.
19635 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
19636 Use them to call convert_column_unit on the column values.
19637 (diagnostic_report_diagnostic): Eliminate conditional on
19638 parseable_fixits_p in favor of a switch statement on
19639 extra_output_kind, passing the appropriate values to the new
19640 params of print_parseable_fixits.
19641 (selftest::test_print_parseable_fixits_none): Update for new
19642 params of print_parseable_fixits.
19643 (selftest::test_print_parseable_fixits_insert): Likewise.
19644 (selftest::test_print_parseable_fixits_remove): Likewise.
19645 (selftest::test_print_parseable_fixits_replace): Likewise.
19646 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
19648 (selftest::diagnostic_c_tests): Call it.
19649 * diagnostic.h (enum diagnostics_extra_output_kind): New.
19650 (diagnostic_context::parseable_fixits_p): Delete field in favor
19652 (diagnostic_context::extra_output_kind): ...this new field.
19653 * doc/invoke.texi (Environment Variables): Add
19654 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
19655 * opts.c (common_handle_option): Update handling of
19656 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
19659 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19661 * tree-vect-slp-patterns.c (class complex_operations_pattern,
19662 complex_operations_pattern::matches,
19663 complex_operations_pattern::recognize,
19664 complex_operations_pattern::build): New.
19665 (slp_patterns): Use it.
19667 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19669 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
19670 * optabs.def (cmls_optab, cmls_conj_optab): New.
19671 * doc/md.texi: Document them.
19672 * tree-vect-slp-patterns.c (class complex_fms_pattern,
19673 complex_fms_pattern::matches, complex_fms_pattern::recognize,
19674 complex_fms_pattern::build): New.
19676 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19678 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
19679 * optabs.def (cmla_optab, cmla_conj_optab): New.
19680 * doc/md.texi: Document them.
19681 * tree-vect-slp-patterns.c (vect_match_call_p,
19682 class complex_fma_pattern, vect_slp_reset_pattern,
19683 complex_fma_pattern::matches, complex_fma_pattern::recognize,
19684 complex_fma_pattern::build): New.
19686 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19688 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
19689 * optabs.def (cmul_optab, cmul_conj_optab): New.
19690 * doc/md.texi: Document them.
19691 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
19692 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
19693 vect_build_combine_node, class complex_mul_pattern,
19694 complex_mul_pattern::matches, complex_mul_pattern::recognize,
19695 complex_mul_pattern::build): New.
19697 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19699 * tree-vect-slp.c (optimize_load_redistribution_1): New.
19700 (optimize_load_redistribution, vect_is_slp_load_node): New.
19701 (vect_match_slp_patterns): Use it.
19703 2021-01-14 Tamar Christina <tamar.christina@arm.com>
19705 * tree-vect-slp-patterns.c (complex_add_pattern::build):
19708 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
19710 * config/gcn/mkoffload.c (main): Create an offload image only in
19711 64-bit configurations.
19713 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
19716 * config/i386/i386-options.c (ix86_option_override_internal):
19717 Issue an error for -fcf-protection with CF_BRANCH when compiling
19718 for 32-bit non-TARGET_CMOV targets.
19720 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
19723 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
19724 Remove declaration and initialization of shadow variable "ret".
19725 (ix86_option_override_internal): Remove delcaration of
19726 shadow variable "i". Redeclare shadowed variable to unsigned.
19727 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
19728 * config/i386/i386-builtins.c (get_builtin_code_for_version):
19729 Update for redeclaration.
19730 * config/i386/i386.h (pta_size): Ditto.
19732 2021-01-14 Richard Biener <rguenther@suse.de>
19734 PR tree-optimization/98674
19735 * tree-data-ref.c (base_supports_access_fn_components_p): New.
19736 (initialize_data_dependence_relation): For two bases without
19737 possible access fns resort to type size equality when determining
19738 shape compatibility.
19740 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
19743 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
19744 <=, >= operators in vcle and vcge intrinsics respectively.
19745 * config/arm/arm_neon_builtins.def: Remove entry for
19748 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
19751 * config/i386/i386-options.c (ix86_function_specific_save):
19752 Remove redundant assignment to opts->x_ix86_branch_cost.
19753 * config/i386/i386.c (ix86_prefetch_sse):
19754 Rename from x86_prefetch_sse. Update all uses.
19755 * config/i386/i386.h: Update for rename.
19756 * config/i386/i386-options.h: Ditto.
19758 2021-01-14 Jakub Jelinek <jakub@redhat.com>
19761 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
19762 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
19763 Use Bm instead of m for non-avx. Add isa attribute.
19765 2021-01-14 Jakub Jelinek <jakub@redhat.com>
19767 PR tree-optimization/96688
19768 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
19769 ~X can be simplified.
19771 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
19773 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
19774 IFN_LOAD_LANES results.
19776 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19778 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
19780 (aarch64_xtn<mode>): Likewise.
19781 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
19784 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
19786 (vmovl_s16): Likewise.
19787 (vmovl_s32): Likewise.
19788 (vmovl_u8): Likewise.
19789 (vmovl_u16): Likewise.
19790 (vmovl_u32): Likewise.
19791 (vmovn_s16): Likewise.
19792 (vmovn_s32): Likewise.
19793 (vmovn_s64): Likewise.
19794 (vmovn_u16): Likewise.
19795 (vmovn_u32): Likewise.
19796 (vmovn_u64): Likewise.
19798 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19800 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
19802 (aarch64_<su>qxtn2<mode>_be): Likewise.
19803 (aarch64_<su>qxtn2<mode>): Likewise.
19804 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
19806 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
19807 (su): Handle ss_truncate and us_truncate.
19808 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
19810 (vqmovn_high_s32): Likewise.
19811 (vqmovn_high_s64): Likewise.
19812 (vqmovn_high_u16): Likewise.
19813 (vqmovn_high_u32): Likewise.
19814 (vqmovn_high_u64): Likewise.
19816 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19818 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
19820 (aarch64_xtn2<mode>_be): Likewise.
19821 (aarch64_xtn2<mode>): Likewise.
19822 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
19824 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
19826 (vmovn_high_s32): Likewise.
19827 (vmovn_high_s64): Likewise.
19828 (vmovn_high_u16): Likewise.
19829 (vmovn_high_u32): Likewise.
19830 (vmovn_high_u64): Likewise.
19832 2021-01-13 Stafford Horne <shorne@gmail.com>
19834 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
19836 2021-01-13 Stafford Horne <shorne@gmail.com>
19838 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
19840 2021-01-13 Stafford Horne <shorne@gmail.com>
19842 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
19843 define for __or1k_hard_float__.
19845 2021-01-13 Stafford Horne <shorne@gmail.com>
19847 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
19848 (PROFILE_HOOK): Define to call _mcount.
19849 (FUNCTION_PROFILER): Change from abort to no-op.
19851 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19853 PR tree-optimization/96691
19854 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
19855 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
19856 (~D ^ C) or (D ^ C) can be simplified.
19858 2021-01-13 Richard Biener <rguenther@suse.de>
19860 PR tree-optimization/92645
19861 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
19862 until after vector lowering.
19864 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19866 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
19868 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
19869 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
19871 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19873 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
19875 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
19876 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
19878 2021-01-13 Richard Biener <rguenther@suse.de>
19880 PR tree-optimization/92645
19881 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
19882 BIT_FIELD_REF argument.
19883 (vect_build_slp_tree_2): Record the desired vector type
19884 on the external vector def.
19885 (vectorizable_slp_permutation): Handle required punning
19886 of existing vector defs.
19888 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19890 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
19892 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
19894 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
19896 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
19898 * config.gcc [$target == *-*-gnu*]: Enable
19899 'default_gnu_indirect_function'.
19901 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19904 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
19905 registers before calling targetm.vectorize.vec_perm_const, only after
19907 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
19908 two argument permutation when one operand is zero vector and only
19909 after that force operands into registers.
19910 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
19911 define_insn_and_split pattern.
19912 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
19913 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
19914 (*avx2_zero_extendv8hiv8si2_1): Likewise.
19915 (*avx512f_zero_extendv8siv8di2_1): Likewise.
19916 (*avx2_zero_extendv4siv4di2_1): Likewise.
19917 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
19919 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
19920 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
19921 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
19922 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
19923 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
19924 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
19926 2021-01-13 Martin Liska <mliska@suse.cz>
19928 PR tree-optimization/98455
19929 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
19930 Record also virtual PHIs.
19931 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
19934 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
19936 * doc/invoke.texi (C++ Modules): Fix typos.
19938 2021-01-13 Richard Biener <rguenther@suse.de>
19940 PR tree-optimization/98640
19941 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
19942 handle plus or minus from a truncated operand to be
19945 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19948 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
19949 define_insn_and_split patterns.
19950 (splitter after *btr<mode>_2): New splitter.
19952 2021-01-13 Martin Liska <mliska@suse.cz>
19955 * cgraphunit.c (analyze_functions): Remove dead code.
19957 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
19959 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
19960 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
19961 (a64fx_regmove_cost, a64fx_vector_cost): New.
19962 (a64fx_tunings): Use the new added cost tables.
19964 2021-01-13 Jakub Jelinek <jakub@redhat.com>
19967 * config/i386/predicates.md (pmovzx_parallel): New predicate.
19968 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
19969 define_insn_and_split pattern.
19970 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
19971 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
19973 2021-01-13 Julian Brown <julian@codesourcery.com>
19975 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
19976 to fix v0 register.
19978 2021-01-13 Julian Brown <julian@codesourcery.com>
19980 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
19983 2021-01-13 Julian Brown <julian@codesourcery.com>
19985 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
19986 for reciprocal-approximation instructions.
19987 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
19988 refinement and division result.
19989 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
19991 2021-01-13 Julian Brown <julian@codesourcery.com>
19993 * config/gcn/gcn-valu.md (subdf): Rename to...
19996 2021-01-12 Martin Liska <mliska@suse.cz>
19998 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
20000 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
20002 * function-abi.h: Fix typo.
20004 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
20008 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
20009 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
20010 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
20011 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
20012 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
20013 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
20014 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
20015 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
20016 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
20017 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
20018 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
20019 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
20020 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
20021 (ARM_HAVE_V2DI_LDST): Likewise.
20022 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
20023 (*movmisalign<mode>_mve_load): New pattern.
20024 * config/arm/neon.md (movmisalign<mode>): Move to ...
20025 * config/arm/vec-common.md: ... here.
20027 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
20030 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
20031 of pattern 'plus (plus (hard reg, const), pseudo)'.
20033 2021-01-12 Richard Biener <rguenther@suse.de>
20035 PR tree-optimization/98550
20036 * tree-vect-slp.c (vect_record_max_nunits): Check whether
20037 the group size is a multiple of the vector element count.
20038 (vect_build_slp_tree_1): When we need to fail because
20039 the vector type choosen causes unrolling do so lazily
20040 without affecting matches only at the end to guide group splitting.
20042 2021-01-12 Martin Liska <mliska@suse.cz>
20045 * optc-save-gen.awk: Compare also n_target_save vars with
20048 2021-01-12 Martin Liska <mliska@suse.cz>
20050 * gcov.c (source_info::debug): New.
20051 (print_usage): Add --debug (-D) option.
20052 (process_args): Likewise.
20053 (generate_results): Call src->debug after
20054 accumulate_line_counts.
20055 (read_graph_file): Properly assign id for EXIT_BLOCK.
20056 * profile.c (branch_prob): Dump function body before it is
20059 2021-01-12 Jakub Jelinek <jakub@redhat.com>
20061 PR tree-optimization/98629
20062 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
20063 unless returning non-zero.
20065 2021-01-12 Jakub Jelinek <jakub@redhat.com>
20067 PR tree-optimization/95731
20068 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
20069 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
20070 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
20071 only after optimize_range_tests_var_bound.
20073 2021-01-12 Jakub Jelinek <jakub@redhat.com>
20075 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
20076 * configure: Regenerated.
20078 2021-01-12 liuhongt <hongtao.liu@intel.com>
20081 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
20083 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
20086 2021-01-12 Alexandre Oliva <oliva@adacore.com>
20088 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
20090 (auto_end_imm_use_stmt_traverse): New struct.
20091 (FOR_EACH_IMM_USE_STMT): Use it.
20092 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
20094 * gimple-ssa-strength-reduction.c: ... here, ...
20095 * graphite-scop-detection.c: ... here, ...
20096 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
20097 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
20098 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
20099 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
20100 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
20101 * tree-vect-slp.c: ... and here, ...
20102 * doc/tree-ssa.texi: ... and the example here.
20104 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
20106 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
20107 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
20108 (*sdiv_pow2<mode>3): New pattern.
20109 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
20110 Wrap the ASRD in an UNSPEC_PRED_X.
20111 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
20112 predicate with a constant PTRUE, if it isn't already.
20113 (*cond_<sve_int_op><mode>_z): Replace with...
20114 (*cond_<sve_int_op><mode>_any): ...this new pattern.
20116 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
20118 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
20119 SVE_FULL_I to SVE_I.
20120 (*cond_bic<mode>_any): Likewise.
20122 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
20124 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
20125 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
20128 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
20130 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
20131 SVE_FULL_I to SVE_I.
20132 (*aarch64_cond_<su>abd<mode>_2): Likewise.
20133 (*aarch64_cond_<su>abd<mode>_any): Likewise.
20134 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
20135 for the max and min but not for the minus.
20136 (*aarch64_cond_<su>abd<mode>_3): New pattern.
20138 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
20140 * config/aarch64/iterators.md (SVE_24I): New iterator.
20141 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
20142 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
20144 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
20146 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
20147 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
20149 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
20150 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
20151 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
20152 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
20154 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
20156 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
20157 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
20158 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
20161 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
20163 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
20164 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
20165 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
20167 2021-01-11 Martin Liska <mliska@suse.cz>
20170 * symtab-clones.h (clone_info::release): Release
20171 symtab::m_clones with ggc_delete as it's a GGC memory.
20173 2021-01-11 Matthias Klose <doko@ubuntu.com>
20175 * Makefile.in (LINK_PROGRESS): Show the link target.
20177 2021-01-11 Richard Biener <rguenther@suse.de>
20179 PR tree-optimization/91403
20180 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
20181 single-element interleaving group size at 4096 elements.
20183 2021-01-11 Richard Biener <rguenther@suse.de>
20185 PR tree-optimization/98526
20186 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
20187 of the actual reduction op for the regular case.
20188 (vectorizable_reduction): Cost the stmts
20189 vect_transform_reduction produces here.
20191 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
20193 * tree-ssa-forwprop.c (simplify_vector_constructor): For
20194 big-endian, use UNPACK[_FLOAT]_HI.
20196 2021-01-11 Tamar Christina <tamar.christina@arm.com>
20198 * tree-vect-slp-patterns.c (class complex_pattern,
20199 class complex_add_pattern): Add parameters to matches.
20200 (complex_add_pattern::build): Free memory.
20201 (complex_add_pattern::matches): Move validation end of match.
20202 (complex_add_pattern::recognize): Likewise.
20204 2021-01-11 Tamar Christina <tamar.christina@arm.com>
20206 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
20208 2021-01-11 Tamar Christina <tamar.christina@arm.com>
20210 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
20212 2021-01-11 Jakub Jelinek <jakub@redhat.com>
20214 PR tree-optimization/95867
20215 * tree-ssa-math-opts.h: New header.
20216 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
20217 (powi_as_mults): No longer static. Use build_one_cst instead of
20218 build_real. Formatting fix.
20219 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
20220 (attempt_builtin_powi): Handle multiplication reassociation without
20221 powi_fndecl using powi_as_mults.
20222 (reassociate_bb): For integral types don't require
20223 -funsafe-math-optimizations to call attempt_builtin_powi.
20225 2021-01-11 Jakub Jelinek <jakub@redhat.com>
20227 PR tree-optimization/95852
20228 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
20229 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
20230 allow in the bb any of the stmts in that vector, div_stmt and
20231 up to 3 cast stmts.
20232 (arith_cast_equal_p): New function.
20233 (arith_overflow_check_p): Add cast_stmt argument, handle signed
20234 multiply overflow checks.
20235 (match_arith_overflow): Adjust caller. Handle signed multiply
20238 2021-01-11 Jakub Jelinek <jakub@redhat.com>
20240 PR tree-optimization/95852
20241 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
20242 (uaddsub_overflow_check_p): Renamed to ...
20243 (arith_overflow_check_p): ... this. Handle also multiplication
20244 with overflow check.
20245 (match_uaddsub_overflow): Renamed to ...
20246 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
20247 also multiplication with overflow check. Adjust function comment.
20248 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
20249 match_arith_overflow also for MULT_EXPR.
20251 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20253 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
20254 __builtin_convertvector.
20255 (vmovl_s16): Likewise.
20256 (vmovl_s32): Likewise.
20257 (vmovl_u8): Likewise.
20258 (vmovl_u16): Likewise.
20259 (vmovl_u32): Likewise.
20260 (vmovn_s16): Likewise.
20261 (vmovn_s32): Likewise.
20262 (vmovn_s64): Likewise.
20263 (vmovn_u16): Likewise.
20264 (vmovn_u32): Likewise.
20265 (vmovn_u64): Likewise.
20267 2021-01-11 Martin Liska <mliska@suse.cz>
20269 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
20270 (if_chain::is_beneficial): Delete clusters
20271 (find_conditions): Make second argument of conditions_in_bbs a
20272 pointer so that we control over it's lifetime.
20273 (pass_if_to_switch::execute): Delete them.
20275 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
20277 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
20280 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
20282 * config/vax/vax.md (cc): Remove mode attribute.
20283 (subst_<cc>, subst_f<cc>): Rename to...
20284 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
20285 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
20286 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
20287 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
20289 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
20291 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
20292 `const_double_zero'.
20294 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
20296 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
20297 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
20300 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
20302 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
20304 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
20305 with `const_double_zero'.
20306 * doc/rtl.texi (Constant Expression Types): Document it.
20308 2021-01-09 Jakub Jelinek <jakub@redhat.com>
20311 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
20312 POINTER_DIFF_EXPR to be any integral type.
20314 2021-01-09 Jakub Jelinek <jakub@redhat.com>
20316 PR rtl-optimization/98603
20317 * function.c (instantiate_virtual_regs_in_insn): For asm goto
20318 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
20319 if any, set ASM_OPERANDS mode to VOIDmode and change
20320 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
20322 2021-01-09 Alexandre Oliva <oliva@gnu.org>
20325 * final.c (notice_source_line): Narrow down the condition to
20326 skip a line-0 marker.
20328 2021-01-08 Sergei Trofimovich <siarheit@google.com>
20330 * ipa-modref.c (merge_call_side_effects): Fix
20331 linebreak split by reordering two print calls.
20333 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
20335 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
20336 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
20337 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
20338 consistency, fix constraint.
20340 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
20342 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
20343 callables instead of mask values.
20344 (struct target_flag_set_p): New predicate.
20345 (s390_cpu_cpp_builtins_internal): Define or undefine
20346 __LONG_DOUBLE_VX__ macro.
20348 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
20351 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
20352 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
20355 2021-01-08 Richard Biener <rguenther@suse.de>
20357 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
20359 2021-01-08 Richard Biener <rguenther@suse.de>
20361 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
20362 (vect_build_slp_tree): On cache hit release the matched
20363 scalar stmts vector.
20364 * tree-vect-stmts.c (vectorizable_store): Properly free
20365 vec_oprnds before possibly gathering them again.
20367 2021-01-08 Richard Biener <rguenther@suse.de>
20369 PR tree-optimization/98544
20370 * tree-vect-slp.c (vect_optimize_slp): Always materialize
20371 permutes at a permute node.
20373 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
20376 * config/i386/i386.c (x86_function_profiler): Use R10 to call
20377 mcount in large model. Sorry for large model with PIC.
20379 2021-01-08 Jakub Jelinek <jakub@redhat.com>
20382 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
20383 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
20384 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
20385 TargetSave and initialize for variables with enum types.
20386 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
20387 mstack-protector-guard-symbol=): Add Save.
20388 * config/i386/i386-options.c (ix86_function_specific_save,
20389 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
20390 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
20391 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
20392 x_ix86_veclibabi_type.
20394 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
20396 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
20397 SVE_FULL_I to SVE_I.
20398 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
20400 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
20402 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
20403 SVE_FULL_I to SVE_I.
20404 (*cond_uxt<mode>_any): Likewise.
20406 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20408 * config/aarch64/iterators.md (Vwhalf): New iterator.
20409 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
20411 (aarch64_<sur>adalp<mode>): ... This. Make more
20413 (<sur>sadv16qi): Adjust callsite of the above.
20414 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
20416 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
20418 (vpadal_s16): Likewise.
20419 (vpadal_u8): Likewise.
20420 (vpadal_u16): Likewise.
20421 (vpadalq_s8): Likewise.
20422 (vpadalq_s16): Likewise.
20423 (vpadalq_s32): Likewise.
20424 (vpadalq_u8): Likewise.
20425 (vpadalq_u16): Likewise.
20426 (vpadalq_u32): Likewise.
20428 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20430 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
20432 (aarch64_<su>abd<mode>): ... This.
20433 (<sur>sadv16qi): Adjust callsite of the above.
20434 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
20436 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
20438 (vabd_s16): Likewise.
20439 (vabd_s32): Likewise.
20440 (vabd_u8): Likewise.
20441 (vabd_u16): Likewise.
20442 (vabd_u32): Likewise.
20443 (vabdq_s8): Likewise.
20444 (vabdq_s16): Likewise.
20445 (vabdq_s32): Likewise.
20446 (vabdq_u8): Likewise.
20447 (vabdq_u16): Likewise.
20448 (vabdq_u32): Likewise.
20450 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20452 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
20454 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
20455 (vaba_s16): Likewise.
20456 (vaba_s32): Likewise.
20457 (vaba_u8): Likewise.
20458 (vaba_u16): Likewise.
20459 (vaba_u32): Likewise.
20460 (vabaq_s8): Likewise.
20461 (vabaq_s16): Likewise.
20462 (vabaq_s32): Likewise.
20463 (vabaq_u8): Likewise.
20464 (vabaq_u16): Likewise.
20465 (vabaq_u32): Likewise.
20467 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20469 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
20470 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
20471 Change RTL pattern to match.
20473 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
20475 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
20476 * config/riscv/riscv-c.c (riscv-subset.h): New.
20477 (INCLUDE_STRING): Define.
20478 (riscv_cpu_cpp_builtins): Add new style architecture extension
20480 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
20481 (riscv_subset_list::end): New.
20482 (riscv_current_subset_list): New.
20484 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
20486 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
20487 Move to riscv-subset.h.
20488 (struct riscv_subset_t): Ditto.
20489 (class riscv_subset_list): Ditto.
20490 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
20491 from riscv-common.c.
20492 (struct riscv_subset_t): Ditto.
20493 (class riscv_subset_list): Ditto.
20494 * config/riscv/t-riscv ($(common_out_file)): Add file
20497 2021-01-07 Jakub Jelinek <jakub@redhat.com>
20500 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
20501 New define_insn patterns.
20503 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
20505 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
20506 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
20507 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
20509 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
20511 PR tree-optimization/98560
20512 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
20513 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
20515 (vec_cond_direct): Likewise argument 2.
20516 (vec_condu_direct, vec_condeq_direct): Delete.
20517 (expand_vect_cond_optab_fn): Rename to...
20518 (expand_vec_cond_optab_fn): ...this, replacing old macro.
20519 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
20520 (expand_vect_cond_mask_optab_fn): Rename to...
20521 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
20522 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
20524 (direct_vec_cond_optab_supported_p): Likewise.
20525 (direct_vec_condu_optab_supported_p): Delete.
20526 (direct_vec_condeq_optab_supported_p): Delete.
20527 * gimple-isel.cc: Include internal-fn.h.
20528 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
20531 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
20533 PR tree-optimization/98560
20534 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
20535 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
20537 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
20539 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
20540 rotate_insn and optab code attributes.
20541 Update all uses to merged code attribute.
20542 * config/i386/sse.md: Update all uses to merged code attribute.
20543 * config/i386/mmx.md: Update all uses to merged code attribute.
20545 2021-01-07 Jakub Jelinek <jakub@redhat.com>
20547 PR tree-optimization/98568
20548 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
20549 (bswap_replace): Use it.
20551 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
20553 PR rtl-optimization/97978
20554 * lra-int.h (lra_hard_reg_split_p): New external.
20555 * lra.c (lra_hard_reg_split_p): New global.
20556 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
20557 * lra-assigns.c (lra_assign): Don't check allocation correctness
20558 after hard reg splitting.
20560 2021-01-06 Martin Sebor <msebor@redhat.com>
20563 * builtins.c (new_delete_mismatch_p): New overload.
20564 (new_delete_mismatch_p (tree, tree)): Call it.
20566 2021-01-06 Alexandre Oliva <oliva@adacore.com>
20568 * Makefile.in (T_GLIMITS_H): New.
20569 (stmp-int-hdrs): Depend on it, use it.
20570 * config/t-vxworks (T_GLIMITS_H): Override it.
20571 (vxw-glimits.h): New.
20573 2021-01-06 Richard Biener <rguenther@suse.de>
20575 PR tree-optimization/98513
20576 * value-range.cc (intersect_ranges): Compare the upper bounds
20577 for the expected relation.
20579 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
20582 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
20584 * doc/standards.texi (HSAIL): Remove section.
20586 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
20588 * configure: Re-generate.
20590 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20592 * doc/invoke.texi (-std=c++20): Adjust for the publication of
20593 ISO 14882:2020 standard.
20594 * doc/standards.texi: Likewise.
20596 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20598 PR tree-optimization/94802
20599 * expr.h (maybe_optimize_sub_cmp_0): Declare.
20600 * expr.c: Include tree-pretty-print.h and flags.h.
20601 (maybe_optimize_sub_cmp_0): New function.
20602 (do_store_flag): Use it.
20603 * cfgexpand.c (expand_gimple_cond): Likewise.
20605 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20607 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
20608 * rtlanal.c (simple_regno_set): Tweak description to clarify the
20611 2021-01-05 Richard Biener <rguenther@suse.de>
20613 PR tree-optimization/98516
20614 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
20615 lanes when materializing on a VEC_PERM node.
20616 (vectorizable_slp_permutation): Dump the permute properly.
20618 2021-01-05 Richard Biener <rguenther@suse.de>
20620 * tree-vect-slp.c (vect_slp_region): Move debug counter
20621 to cover individual subgraphs.
20623 2021-01-05 Richard Biener <rguenther@suse.de>
20625 PR tree-optimization/98428
20626 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
20627 vector lane extracts for loop vectorization.
20629 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20631 PR tree-optimization/98514
20632 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
20634 (operand_rank): Change type from hash_map<tree, long> to
20635 hash_map<tree, int64_t>.
20636 (phi_rank): Change return type from long to int64_t.
20637 (loop_carried_phi): Change block_rank variable type from long to
20639 (propagate_rank): Change return type, rank parameter type and
20640 op_rank variable type from long to int64_t.
20641 (find_operand_rank): Change return type from long to int64_t
20642 and change slot variable type from long * to int64_t *.
20643 (insert_operand_rank): Change rank parameter type from long to
20645 (get_rank): Change return type and rank variable type from long to
20646 int64_t. Use PRId64 instead of ld to print the rank.
20647 (init_reassoc): Change rank variable type from long to int64_t
20648 and adjust correspondingly bb_rank and operand_rank initialization.
20650 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20652 PR tree-optimization/96928
20653 * tree-ssa-phiopt.c (xor_replacement): New function.
20654 (tree_ssa_phiopt_worker): Call it.
20656 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20658 PR tree-optimization/96930
20659 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
20660 from narrower value which has the same type as 1 << B, perform
20661 the right shift on the narrower value followed by extension.
20663 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20665 PR tree-optimization/96239
20666 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
20668 (get_status_for_store_merging): Don't return BB_INVALID for blocks
20669 with potential bswap optimizable CONSTRUCTORs.
20670 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
20673 2021-01-05 Richard Biener <rguenther@suse.de>
20675 PR tree-optimization/98381
20676 * tree.c (vector_element_bits): Properly compute bool vector
20678 * tree-vect-loop.c (vectorizable_live_operation): Properly
20679 compute the last lane bit offset.
20681 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
20684 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
20685 Clear the top 64 bytes of the input XMM register.
20686 (sse_cvttps2pi): Ditto.
20688 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
20691 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
20693 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
20696 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
20699 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
20701 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
20702 (umaddsidi4_split): Likewise.
20704 2021-01-05 liuhongt <hongtao.liu@intel.com>
20707 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
20708 define_insn_and_split for zero_extend of subreg HI of pmovskb
20710 (*sse2_pmovskb_zexthisi): Add new combine splitters for
20711 zero_extend of not of subreg HI of pmovskb result.
20713 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20716 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
20718 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
20719 convert_memory_address to convert symbolic immediates to ptr_mode
20720 before forcing them to memory.
20722 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20724 PR rtl-optimization/97144
20725 * recog.c (constrain_operands): Initialize matching_operand
20726 for each alternative, rather than only doing it once.
20728 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20730 PR rtl-optimization/98403
20731 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
20732 why we don't remove call clobbers.
20733 (function_info::apply_changes_to_insn): Don't attempt to add
20734 call clobbers here.
20736 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
20738 PR tree-optimization/98371
20739 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
20740 (vect_analyze_loop): If an epilogue loop appears to be cheaper
20741 than the main loop, re-analyze it as a main loop before adopting
20744 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
20747 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
20748 * aclocal.m4, configure: Regenerate.
20749 * Makefile.in (NETLIBS): Define.
20750 (BACKEND): Remove $(CODYLIB).
20752 2021-01-05 Jakub Jelinek <jakub@redhat.com>
20754 PR rtl-optimization/98334
20755 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
20756 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
20758 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
20760 * tree-inline.c (expand_call_inline): Restore input_location.
20761 Return result from recursive call.
20763 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20765 PR tree-optimization/95401
20766 * config/aarch64/aarch64-sve-builtins.cc
20767 (gimple_folder::load_store_cookie): Use bits rather than bytes
20768 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
20769 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
20770 * tree-vect-stmts.c (vectorizable_store): Likewise.
20771 (vectorizable_load): Likewise.
20773 2021-01-04 Richard Biener <rguenther@suse.de>
20775 PR tree-optimization/98308
20776 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
20779 2021-01-04 Jakub Jelinek <jakub@redhat.com>
20781 PR tree-optimization/95771
20782 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
20783 with precision smaller than int's precision and types with precision
20784 twice as large as long long. Formatting fixes.
20786 2021-01-04 Richard Biener <rguenther@suse.de>
20788 PR tree-optimization/98464
20789 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
20790 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
20791 (process_bb): Adjust.
20793 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
20796 * doc/invoke.texi (-fsanitize=address): Fix wording describing
20797 clash with -fsanitize=hwaddress.
20799 2021-01-04 Richard Biener <rguenther@suse.de>
20801 PR tree-optimization/98282
20802 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
20803 invariants as VN_NARY.
20805 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20808 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
20809 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
20810 to handle zero operands.
20812 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
20814 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
20815 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
20816 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
20819 2021-01-04 Richard Biener <rguenther@suse.de>
20821 PR tree-optimization/98393
20822 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
20823 when hitting the limit.
20825 2021-01-04 Richard Biener <rguenther@suse.de>
20827 PR tree-optimization/98291
20828 * tree-vect-loop.c (vectorizable_reduction): Bypass
20829 associativity check for SLP reductions with VF 1.
20831 2021-01-04 Jakub Jelinek <jakub@redhat.com>
20833 PR tree-optimization/96782
20834 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
20836 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
20838 * collect-utils.c (collect_execute): Check dumppfx.
20839 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
20840 to collect_execute.
20841 (do_link): Add new parameter atsuffix.
20842 (main): Handle -dumpdir option. Skip one argument for
20843 -o, -isystem and -B options.
20844 * gcc.c (make_at_file): New helper function.
20845 (close_at_file): Use it.
20847 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20849 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
20850 Amend handling for LD64_VERSION fallback defaults.
20852 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20854 * config.gcc: Compute default version information
20855 from the configured target. Likewise defaults for
20857 * config/darwin10.h: Removed.
20858 * config/darwin12.h: Removed.
20859 * config/darwin9.h: Removed.
20860 * config/rs6000/darwin8.h: Removed.
20862 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20864 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
20866 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20868 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
20869 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
20871 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20873 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
20875 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
20877 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20879 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
20880 for the Darwin10 unwinder stub from here ...
20881 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
20883 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
20885 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
20886 (ASM_DEBUG_SPEC):Only define if the assembler supports
20888 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
20889 (DARWIN_PREFER_DWARF): Define.
20890 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
20891 (DARWIN_PREFER_DWARF): Likewise
20892 (DSYMUTIL_SPEC): Likewise.
20893 (COLLECT_RUN_DSYMUTIL): Likewise.
20894 (ASM_DEBUG_SPEC): Likewise.
20895 (ASM_DEBUG_OPTION_SPEC): Likewise.
20897 2021-01-02 Jan Hubicka <jh@suse.cz>
20899 * cfg.c (free_block): ggc_free bb.
20901 2021-01-01 Jakub Jelinek <jakub@redhat.com>
20903 * gcc.c (process_command): Update copyright notice dates.
20904 * gcov-dump.c (print_version): Ditto.
20905 * gcov.c (print_version): Ditto.
20906 * gcov-tool.c (print_version): Ditto.
20907 * gengtype.c (create_file): Ditto.
20908 * doc/cpp.texi: Bump @copying's copyright year.
20909 * doc/cppinternals.texi: Ditto.
20910 * doc/gcc.texi: Ditto.
20911 * doc/gccint.texi: Ditto.
20912 * doc/gcov.texi: Ditto.
20913 * doc/install.texi: Ditto.
20914 * doc/invoke.texi: Ditto.
20916 2021-01-01 Jakub Jelinek <jakub@redhat.com>
20918 * ChangeLog-2020: Rotate ChangeLog. New file.
20921 Copyright (C) 2021 Free Software Foundation, Inc.
20923 Copying and distribution of this file, with or without modification,
20924 are permitted in any medium without royalty provided the copyright
20925 notice and this notice are preserved.