1 2021-07-20 Martin Sebor <msebor@redhat.com>
4 * builtins.c (gimple_call_return_array): Add argument. Correct
5 offsets for memchr, mempcpy, stpcpy, and stpncpy.
6 (compute_objsize_r): Adjust offset computation for argument returning
9 2021-07-20 Martin Sebor <msebor@redhat.com>
12 * tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
14 2021-07-20 Jeff Law <jlaw@localhost.localdomain>
16 * function.c (assign_parm_setup_block): Use adjust_address instead
17 of change_address to preserve MEM_EXPR and friends.
19 2021-07-20 Martin Sebor <msebor@redhat.com>
21 * cfgloop.h (single_likely_exit): Adjust by-value argument to
23 * cfgloopanal.c (single_likely_exit): Same.
24 * cgraph.h (struct cgraph_node): Same.
25 * cgraphclones.c (cgraph_node::create_virtual_clone): Same.
26 * genautomata.c (merge_states): Same.
27 * genextract.c (VEC_char_to_string): Same.
28 * genmatch.c (dt_node::gen_kids_1): Same.
29 (walk_captures): Adjust by-value argument to by-reference.
30 * gimple-ssa-store-merging.c (check_no_overlap): Adjust by-value argument
31 to by-const-reference.
32 * gimple.c (gimple_build_call_vec): Same.
33 (gimple_build_call_internal_vec): Same.
34 (gimple_build_switch): Same.
35 (sort_case_labels): Same.
36 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
38 * gimple.h (gimple_build_call_vec): Adjust by-value argument to
40 (gimple_build_call_internal_vec): Same.
41 (gimple_build_switch): Same.
42 (sort_case_labels): Same.
43 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
45 * haifa-sched.c (calc_priorities): Adjust by-value argument to
47 (sched_init_luids): Same.
48 (haifa_init_h_i_d): Same.
49 * ipa-cp.c (ipa_get_indirect_edge_target_1): Same.
50 (adjust_callers_for_value_intersection): Adjust by-value argument to
52 (find_more_scalar_values_for_callers_subset): Adjust by-value argument to
54 (find_more_contexts_for_caller_subset): Same.
55 (find_aggregate_values_for_callers_subset): Same.
56 (copy_useful_known_contexts): Same.
57 * ipa-fnsummary.c (remap_edge_summaries): Same.
58 (remap_freqcounting_predicate): Same.
59 * ipa-inline.c (add_new_edges_to_heap): Adjust by-value argument to
61 * ipa-predicate.c (predicate::remap_after_inlining): Adjust by-value argument
62 to by-const-reference.
63 * ipa-predicate.h (predicate::remap_after_inlining): Same.
64 * ipa-prop.c (ipa_find_agg_cst_for_param): Same.
65 * ipa-prop.h (ipa_find_agg_cst_for_param): Same.
66 * ira-build.c (ira_loop_tree_body_rev_postorder): Same.
67 * read-rtl.c (add_overload_instance): Same.
68 * rtl.h (native_decode_rtx): Same.
69 (native_decode_vector_rtx): Same.
70 * sched-int.h (sched_init_luids): Same.
71 (haifa_init_h_i_d): Same.
72 * simplify-rtx.c (native_decode_vector_rtx): Same.
73 (native_decode_rtx): Same.
74 * tree-call-cdce.c (gen_shrink_wrap_conditions): Same.
75 (shrink_wrap_one_built_in_call_with_conds): Same.
76 (shrink_wrap_conditional_dead_built_in_calls): Same.
77 * tree-data-ref.c (create_runtime_alias_checks): Same.
78 (compute_all_dependences): Same.
79 * tree-data-ref.h (compute_all_dependences): Same.
80 (create_runtime_alias_checks): Same.
81 (index_in_loop_nest): Same.
82 * tree-if-conv.c (mask_exists): Same.
83 * tree-loop-distribution.c (class loop_distribution): Same.
84 (loop_distribution::create_rdg_vertices): Same.
85 (dump_rdg_partitions): Same.
86 (debug_rdg_partitions): Same.
87 (partition_contains_all_rw): Same.
88 (loop_distribution::distribute_loop): Same.
89 * tree-parloops.c (oacc_entry_exit_ok_1): Same.
90 (oacc_entry_exit_single_gang): Same.
91 * tree-ssa-loop-im.c (hoist_memory_references): Same.
92 (loop_suitable_for_sm): Same.
93 * tree-ssa-loop-niter.c (bound_index): Same.
94 * tree-ssa-reassoc.c (update_ops): Same.
95 (swap_ops_for_binary_stmt): Same.
96 (rewrite_expr_tree): Same.
97 (rewrite_expr_tree_parallel): Same.
98 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Same.
99 * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Same.
100 * tree-ssa-structalias.c (process_all_all_constraints): Same.
101 (make_constraints_to): Same.
102 (handle_lhs_call): Same.
103 (find_func_aliases_for_builtin_call): Same.
104 (sort_fieldstack): Same.
105 (check_for_overlaps): Same.
106 * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Same.
107 (vect_create_cond_for_unequal_addrs): Same.
108 (vect_create_cond_for_lower_bounds): Same.
109 (vect_create_cond_for_alias_checks): Same.
110 * tree-vect-slp-patterns.c (vect_validate_multiplication): Same.
111 * tree-vect-slp.c (vect_analyze_slp_instance): Same.
112 (vect_make_slp_decision): Same.
113 (vect_slp_bbs): Same.
114 (duplicate_and_interleave): Same.
115 (vect_transform_slp_perm_load): Same.
116 (vect_schedule_slp): Same.
117 * tree-vectorizer.h (vect_transform_slp_perm_load): Same.
118 (vect_schedule_slp): Same.
119 (duplicate_and_interleave): Same.
120 * tree.c (build_vector_from_ctor): Same.
121 (build_vector): Same.
122 (check_vector_cst): Same.
123 (check_vector_cst_duplicate): Same.
124 (check_vector_cst_fill): Same.
125 (check_vector_cst_stepped): Same.
126 * tree.h (build_vector_from_ctor): Same.
128 2021-07-20 Jakub Jelinek <jakub@redhat.com>
131 * config/rs6000/rs6000-protos.h (easy_altivec_constant): Change return
132 type from bool to int.
133 * config/rs6000/rs6000.c (vspltis_constant): Fix up handling the
134 EASY_VECTOR_MSB case if either step or copies is not 1.
135 (vspltis_shifted): Fix comment typo.
136 (easy_altivec_constant): Change return type from bool to int, instead
137 of returning true return byte size of the element mode that should be
138 used to synthetize the constant.
139 * config/rs6000/predicates.md (easy_vector_constant_msb): Require
140 that vspltis_shifted is 0, handle the case where easy_altivec_constant
141 assumes using different vector mode from CONST_VECTOR's mode.
142 * config/rs6000/altivec.md (easy_vector_constant_msb splitter): Use
143 easy_altivec_constant to determine mode in which -1 >> -1 should be
144 performed, use rs6000_expand_vector_init instead of gen_vec_initv4sisi.
146 2021-07-20 Richard Biener <rguenther@suse.de>
149 * dwarf2out.h (dwarf_file_data): Add key member.
150 * dwarf2out.c (dwarf_file_hasher::equal): Compare key.
151 (dwarf_file_hasher::hash): Hash key.
152 (lookup_filename): Remap the filename and store it in the
153 filename member of dwarf_file_data when creating a new
155 (file_name_acquire): Do not remap the filename again.
156 (maybe_emit_file): Likewise.
158 2021-07-20 Jonathan Wright <jonathan.wright@arm.com>
160 * config/aarch64/aarch64-simd-builtins.def: Use two variant
161 generators for all TBL/TBX intrinsics and rename to
162 consistent forms: qtbl[1234] or qtbx[1234].
163 * config/aarch64/aarch64-simd.md (aarch64_tbl1<mode>):
165 (aarch64_qtbl1<mode>): This.
166 (aarch64_tbx1<mode>): Rename to...
167 (aarch64_qtbx1<mode>): This.
168 (aarch64_tbl2v16qi): Delete.
169 (aarch64_tbl3<mode>): Rename to...
170 (aarch64_qtbl2<mode>): This.
171 (aarch64_tbx4<mode>): Rename to...
172 (aarch64_qtbx2<mode>): This.
173 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Use
174 renamed qtbl1 and qtbl2 RTL patterns.
175 * config/aarch64/arm_neon.h (vqtbl1_p8): Use renamed qtbl1
177 (vqtbl1_s8): Likewise.
178 (vqtbl1_u8): Likewise.
179 (vqtbl1q_p8): Likewise.
180 (vqtbl1q_s8): Likewise.
181 (vqtbl1q_u8): Likewise.
182 (vqtbx1_s8): Use renamed qtbx1 RTL pattern.
183 (vqtbx1_u8): Likewise.
184 (vqtbx1_p8): Likewise.
185 (vqtbx1q_s8): Likewise.
186 (vqtbx1q_u8): Likewise.
187 (vqtbx1q_p8): Likewise.
188 (vtbl1_s8): Use renamed qtbl1 RTL pattern.
189 (vtbl1_u8): Likewise.
190 (vtbl1_p8): Likewise.
192 (vtbl2_u8): Likewise.
193 (vtbl2_p8): Likewise.
194 (vtbl3_s8): Use renamed qtbl2 RTL pattern.
195 (vtbl3_u8): Likewise.
196 (vtbl3_p8): Likewise.
197 (vtbl4_s8): Likewise.
198 (vtbl4_u8): Likewise.
199 (vtbl4_p8): Likewise.
200 (vtbx2_s8): Use renamed qtbx2 RTL pattern.
201 (vtbx2_u8): Likewise.
202 (vtbx2_p8): Likewise.
203 (vqtbl2_s8): Use renamed qtbl2 RTL pattern.
204 (vqtbl2_u8): Likewise.
205 (vqtbl2_p8): Likewise.
206 (vqtbl2q_s8): Likewise.
207 (vqtbl2q_u8): Likewise.
208 (vqtbl2q_p8): Likewise.
209 (vqtbx2_s8): Use renamed qtbx2 RTL pattern.
210 (vqtbx2_u8): Likewise.
211 (vqtbx2_p8): Likewise.
212 (vqtbx2q_s8): Likewise.
213 (vqtbx2q_u8): Likewise.
214 (vqtbx2q_p8): Likewise.
215 (vtbx4_s8): Likewise.
216 (vtbx4_u8): Likewise.
217 (vtbx4_p8): Likewise.
219 2021-07-20 Uroš Bizjak <ubizjak@gmail.com>
222 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
224 (define_peephole2 atomic_loaddi_fpu): Ditto.
226 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
228 * config.gcc (riscv*-*-*): Detect which python is available.
230 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
232 * config/rs6000/vsx.md (mulhs_<mode>): Rename to...
233 (smul<mode>3_highpart): ... this.
234 (mulhu_<mode>): Rename to...
235 (umul<mode>3_highpart): ... this.
236 * config/rs6000/rs6000-builtin.def (MULHS_V2DI, MULHS_V4SI,
237 MULHU_V2DI, MULHU_V4SI): Adjust.
239 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
241 PR tree-optimization/100696
242 * internal-fn.c (first_commutative_argument): Add info for IFN_MULH.
243 * internal-fn.def (IFN_MULH): New internal function.
244 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Add support to
245 recog normal multiply highpart as IFN_MULH.
246 * config/i386/i386.c (ix86_add_stmt_cost): Adjust for combined
249 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
251 * config/elfos.h (CTF_DEBUGGING_INFO): New definition.
252 (BTF_DEBUGGING_INFO): Likewise.
253 * doc/tm.texi.in: Document the new macros.
254 * doc/tm.texi: Regenerated.
255 * toplev.c: Guard initialization of debug hooks.
257 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
259 * flags.h (ctf_debuginfo_p): New function declaration.
260 * opts.c (ctf_debuginfo_p): New function definition.
262 2021-07-19 Andrew Stubbs <ams@codesourcery.com>
265 * config/gcn/gcn-hsa.h (DRIVER_SELF_SPECS): New.
266 (ASM_SPEC): Set -mattr for xnack and sram-ecc.
267 * config/gcn/gcn-opts.h (enum sram_ecc_type): New.
268 * config/gcn/gcn-valu.md: Add a warning comment.
269 * config/gcn/gcn.c (gcn_option_override): Add "sorry" for -mxnack.
270 (output_file_start): Add xnack and sram-ecc state to ".amdgcn_target".
271 * config/gcn/gcn.md: Add a warning comment.
272 * config/gcn/gcn.opt: Add -mxnack and -msram-ecc.
273 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): Remove
275 (EF_AMDGPU_XNACK): New.
276 (EF_AMDGPU_SRAM_ECC): New.
278 (copy_early_debug_info): Use elf_flags.
279 (main): Handle -mxnack and -msram-ecc options.
280 * doc/invoke.texi: Document -mxnack and -msram-ecc.
282 2021-07-19 Andrew Pinski <apinski@marvell.com>
285 * config/aarch64/aarch64.md (csneg3_uxtw_insn): Rename to ...
286 (*cs<neg_not_cs>3_uxtw_insn4): and extend to NEG_NOT.
288 2021-07-19 Richard Biener <rguenther@suse.de>
290 PR tree-optimization/101505
291 * tree-vect-patterns.c (vect_determine_precisions): Walk
292 PHIs also for loop vectorization.
294 2021-07-19 Richard Biener <rguenther@suse.de>
296 * gimple.h (gimple_expr_type): Remove.
297 * doc/gimple.texi: Remove gimple_expr_type documentation.
299 2021-07-19 Richard Biener <rguenther@suse.de>
301 * tree-ssa-sccvn.c (vn_reference_eq): Handle NULL vr->type.
302 (ao_ref_init_from_vn_reference): Likewise.
303 (fully_constant_reference): Likewise.
304 (vn_reference_lookup_call): Do not set vr->type to random
306 * tree-ssa-pre.c (compute_avail): Do not try to PRE calls
308 * tree-vect-generic.c (expand_vector_piecewise): Pass in
309 whether we expanded parallel.
310 (expand_vector_parallel): Adjust.
311 (expand_vector_addition): Likewise.
312 (expand_vector_comparison): Likewise.
313 (expand_vector_operation): Likewise.
314 (expand_vector_scalar_condition): Likewise.
315 (expand_vector_conversion): Likewise.
317 2021-07-19 Richard Biener <rguenther@suse.de>
319 * tree-vrp.c (register_edge_assert_for_2): Use the
321 (vrp_folder::fold_predicate_in): Likewise.
322 * vr-values.c (gimple_assign_nonzero_p): Likewise.
323 (vr_values::extract_range_from_comparison): Likewise.
324 (vr_values::extract_range_from_ubsan_builtin): Use the
325 type of the first operand.
326 (vr_values::extract_range_basic): Push down type
327 computation, use the appropriate LHS.
328 (vr_values::extract_range_from_assignment): Use the
331 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
334 * common/config/i386/i386-common.c (ix86_handle_option): For
335 -mgeneral-regs-only, enable the GPR only instructions which are
336 enabled implicitly by SSE ISAs unless they have been disabled
339 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
342 * config/i386/i386.c (ix86_check_avx_upper_stores): Moved before
343 ix86_avx_u128_mode_needed.
344 (ix86_avx_u128_mode_needed): Return AVX_U128_DIRTY if callee
345 returns AVX register.
347 2021-07-17 Jan Hubicka <hubicka@ucw.cz>
349 * tree-ssa-structalias.c (handle_rhs_call): Support EAF_NOT_RETURNED.
350 (handle_const_call): Liekise
351 (handle_pure_call): Liekise
353 2021-07-17 Andrew MacLeod <amacleod@redhat.com>
355 PR tree-optimization/96542
356 * range-op.cc (range_operator::wi_fold_in_parts): New.
357 (range_operator::fold_range): Call wi_fold_in_parts.
358 (operator_lshift::wi_fold): Fix broken lshift by [0,0].
359 * range-op.h (wi_fold_in_parts): Add prototype.
361 2021-07-16 David Malcolm <dmalcolm@redhat.com>
363 * doc/analyzer.texi: Add __analyzer_dump_state.
365 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
367 * config/rs6000/rbtree.c: New file.
368 * config/rs6000/rbtree.h: New file.
370 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
372 * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
373 (typeinfo): Add restr field.
374 (match_bracketed_pair): New function.
375 (match_const_restriction): Implement.
377 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
379 * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
381 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
383 * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
384 (basetype): Likewise.
385 (typeinfo): Likewise.
386 (handle_pointer): New function.
387 (match_basetype): New stub function.
388 (match_const_restriction): Likewise.
389 (match_type): New function.
391 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
393 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
395 (advance_line): Likewise.
396 (safe_inc_pos): Likewise.
397 (match_identifier): Likewise.
398 (match_integer): Likewise.
399 (match_to_right_bracket): Likewise.
401 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
403 * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
404 (ovld_file): Likewise.
405 (header_file): Likewise.
406 (init_file): Likewise.
407 (defines_file): Likewise.
408 (pgm_path): Likewise.
409 (bif_path): Likewise.
410 (ovld_path): Likewise.
411 (header_path): Likewise.
412 (init_path): Likewise.
413 (defines_path): Likewise.
414 (LINELEN): New macro.
415 (linebuf): New variable.
419 (bif_diag): New function.
420 (ovld_diag): Likewise.
422 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
424 * config/rs6000/rs6000-builtin-new.def: New.
425 * config/rs6000/rs6000-overload.def: New.
427 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
429 * config/rs6000/rs6000-gen-builtins.c: New.
431 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
433 * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
434 (s-gtype): Depend on EXTRA_GTYPE_DEPS.
435 * gengtype-state.c (state_writer::write_state_file_list): Add a
436 parameter to the fileslist expression for the number of build
438 (read_state_files_list): Detect build headers and strip the
439 initial "./" or ".\" from their names.
440 * gengtype.c (build_headers): New global variable.
441 (num_build_headers): Likewise.
442 (open_base_files): Emit #include for each build header.
443 (main): Detect and count build headers.
444 * gengtype.h (build_headers): New extern variable.
445 (num_build_headers): Likewise.
447 2021-07-16 Richard Biener <rguenther@suse.de>
449 * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
451 (find_bswap_or_nop_1): Likewise.
452 (find_bswap_or_nop): Likewise.
453 * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
455 * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
456 Remove unused parameters, pass in the scalar type. Fix
457 internal store function handling.
458 * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
459 (vect_get_vector_types_for_stmt): Move down check for
460 existing vector stmt after we've determined a scalar type.
461 Pass down the used scalar type to vect_get_smallest_scalar_type.
462 * tree-vect-generic.c (expand_vector_condition): Use
464 (expand_vector_scalar_condition): Likewise.
465 (expand_vector_operations_1): Likewise.
466 * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
467 (vect_recog_dot_prod_pattern): Likewise.
468 (vect_recog_sad_pattern): Likewise.
469 (vect_recog_widen_op_pattern): Likewise.
470 (vect_recog_widen_sum_pattern): Likewise.
471 (vect_recog_mixed_size_cond_pattern): Likewise.
473 2021-07-16 Jan Hubicka <hubicka@ucw.cz>
475 * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
476 (dump_eaf_flags): Dump EAF_NOT_RETURNED
477 (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
478 and EAF_NOT_RETURNED.
479 (modref_summary::useful_p): Likewise.
480 (modref_summary_lto::useful_p): Likewise.
481 (struct) modref_summary_lto: Use eaf_fleags_t.
482 (deref_flags): Handle EAF_NOT_RETURNED.
483 (struct escape_point): Use min_flags.
484 (modref_lattice::init): Add EAF_NOT_RETURNED.
485 (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
486 (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
488 (analyze_parms): Also analyze const functions; update conition on
490 (modref_write): Update streaming.
491 (read_section): Update streaming.
492 (remap_arg_flags): Use eaf_flags_t.
493 (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
494 * ipa-modref.h: (eaf_flags_t): New typedef.
495 (struct modref_summary): Use eaf_flags_t.
496 * tree-core.h (EAF_NOT_RETURNED): New constant.
498 2021-07-16 Richard Biener <rguenther@suse.de>
500 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
502 (gimple_assign_nonnegative_warnv_p): Likewise.
503 (gimple_call_nonnegative_warnv_p): Likewise. Return false
504 if the call has no LHS.
505 * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
506 * tree-eh.c (stmt_could_throw_1_p): Likewise.
507 * tree-inline.c (insert_init_stmt): Likewise.
508 * tree-ssa-loop-niter.c (get_val_for): Likewise.
509 * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
511 * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
512 gassign *. Use the type of the lhs.
513 (vn_nary_op_lookup_stmt): Adjust.
514 (vn_nary_op_insert_stmt): Likewise.
516 2021-07-16 Ilya Leoshkevich <iii@linux.ibm.com>
518 * config/s390/predicates.md (bras_sym_operand): Accept all
519 functions in 64-bit mode, use UNSPEC_PLT31.
520 (larl_operand): Use UNSPEC_PLT31.
521 * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
522 (legitimize_pic_address): Likewise.
523 (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
525 (s390_delegitimize_address): Use UNSPEC_PLT31.
526 (s390_output_addr_const_extra): Likewise.
527 (print_operand): Add @PLT to TLS calls, handle %K.
528 (s390_function_profiler): Mark __fentry__/_mcount as function,
529 use %K, use UNSPEC_PLT31.
530 (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
531 (s390_emit_call): Use UNSPEC_PLT31.
532 (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
533 * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
535 (reload_base_64): Likewise.
536 (*sibcall_brc): Likewise.
537 (*sibcall_brcl): Likewise.
538 (*sibcall_value_brc): Likewise.
539 (*sibcall_value_brcl): Likewise.
543 (*brasl_r): Likewise.
544 (*bras_tls): Likewise.
545 (*brasl_tls): Likewise.
546 (main_base_64): Likewise.
547 (reload_base_64): Likewise.
548 (@split_stack_call<mode>): Likewise.
550 2021-07-16 Richard Biener <rguenther@suse.de>
552 PR tree-optimization/101467
553 * tree-vect-stmts.c (vect_gen_while): Properly guard
554 make_temp_ssa_name usage.
556 2021-07-16 Cooper Qu <cooper.qu@linux.alibaba.com>
558 * config.gcc: Don't use forked print-sysroot-suffix.sh and
559 t-sysroot-suffix for C-SKY.
560 * config/csky/print-sysroot-suffix.sh: Delete.
561 * config/csky/t-csky-linux: Delete.
562 * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
563 instead of CSKY_MULTILIB_DIRNAMES.
565 2021-07-16 Richard Biener <rguenther@suse.de>
567 * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
568 conversion issues with the partial reduction of the reused
571 2021-07-16 Richard Biener <rguenther@suse.de>
573 * config/i386/i386-options.c (ix86_option_override_internal): Set
574 param_vect_partial_vector_usage to zero if not set.
576 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
579 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
580 (VALID_INT_MODE_P): Add SDmode and DDmode.
581 Add TDmode for TARGET_64BIT.
582 (VALID_DFP_MODE_P): Remove.
583 * config/i386/i386.c (ix86_hard_regno_mode_ok):
584 Do not use VALID_DFP_MODE_P.
586 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
588 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
590 (fold_using_range::fold_stmt): Ditto.
591 (fold_using_range::range_of_range_op): Ditto.
592 (fold_using_range::range_of_phi): Ditto.
593 (fold_using_range::range_of_call): Ditto.
594 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
595 (fold_using_range::range_of_builtin_call): Ditto.
596 (fold_using_range::range_of_cond_expr): Ditto.
597 * gimple-range-fold.h (gimple_range_type): New.
599 2021-07-15 Martin Sebor <msebor@redhat.com>
602 * tree-ssa-strlen.c (handle_assign): New function.
603 (maybe_warn_overflow): Add argument.
604 (nonzero_bytes_for_type): New function.
605 (count_nonzero_bytes): Handle more tree types. Call
606 nonzero_bytes_for_tye.
607 (count_nonzero_bytes): Handle types.
608 (handle_store): Handle stores from function calls.
609 (strlen_check_and_optimize_call): Move code to handle_assign. Call
610 it for assignments from function calls.
612 2021-07-15 David Malcolm <dmalcolm@redhat.com>
617 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
619 2021-07-15 David Malcolm <dmalcolm@redhat.com>
621 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
623 2021-07-15 Martin Sebor <msebor@redhat.com>
627 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
628 (operand_compare::verify_hash_value): Same.
629 * tree-core.h (OEP_DECL_NAME): New.
631 2021-07-15 Martin Jambor <mjambor@suse.cz>
633 * profile-count.h (profile_count::value): Change the return type to
635 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
637 * tree-cfg.c (dump_function_to_file): Likewise.
639 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
642 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
643 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
646 2021-07-15 Richard Biener <rguenther@suse.de>
648 * tree-vectorizer.h (vect_gen_while): Match up with
650 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
651 of vect_gen_while_not.
652 (vect_gen_while_not): Adjust.
653 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
655 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
657 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
658 (ranger_cache::range_of_def): Call adjust_range.
659 (ranger_cache::entry_range): Same.
660 * gimple-range-cache.h (non_null_ref::adjust_range): New.
661 * gimple-range.cc (gimple_ranger::range_of_expr): Call
663 (gimple_ranger::range_on_entry): Same.
665 2021-07-15 Tamar Christina <tamar.christina@arm.com>
668 2021-07-14 Tamar Christina <tamar.christina@arm.com>
670 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
672 2021-07-15 Tamar Christina <tamar.christina@arm.com>
675 2021-07-14 Tamar Christina <tamar.christina@arm.com>
677 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
678 (sdot_prod, udot_prod): ...These.
679 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
680 (aarch64_<sur>dot<vsi2qi>): Rename to...
681 (<sur>dot_prod<vsi2qi>): ...This.
682 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
685 2021-07-15 Jakub Jelinek <jakub@redhat.com>
688 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
689 types even if they have non-BLKmode TYPE_MODE.
691 2021-07-15 Richard Biener <rguenther@suse.de>
694 * gcc.c (process_command): Process -gtoggle like process_options
695 would after parsing options.
697 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
699 * cfgexpand.c (expand_asm_loc): Adjust.
700 (expand_asm_stmt): Likewise.
701 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
702 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
703 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
704 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
705 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
706 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
707 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
708 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
709 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
710 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
711 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
712 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
713 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
714 * doc/tm.texi: Regenerate.
715 * target.def: Add location argument to md_asm_adjust.
717 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
719 * tree-diagnostic.c (diagnostic_report_current_function): Use the
720 diagnostic's location, not input_location.
722 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
724 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
726 (expand_asm_stmt): Likewise.
728 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
730 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
731 addressed memory rtx, if any.
732 (rs6000_split_multireg_move): Fix code formatting.
733 Handle MMA build built-ins with operands in adjacent memory locations.
735 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
737 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
740 2021-07-14 Jason Merrill <jason@redhat.com>
742 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
744 2021-07-14 Jason Merrill <jason@redhat.com>
746 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
749 2021-07-14 Tamar Christina <tamar.christina@arm.com>
751 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
752 Remove erroneous line.
754 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
756 * params.opt (param_evrp_mode): Change default.
758 2021-07-14 Tamar Christina <tamar.christina@arm.com>
760 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
761 (sdot_prod, udot_prod): ...These.
762 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
763 (aarch64_<sur>dot<vsi2qi>): Rename to...
764 (<sur>dot_prod<vsi2qi>): ...This.
765 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
768 2021-07-14 Tamar Christina <tamar.christina@arm.com>
770 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
772 2021-07-14 Tamar Christina <tamar.christina@arm.com>
774 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
776 2021-07-14 Tamar Christina <tamar.christina@arm.com>
778 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
780 2021-07-14 Tamar Christina <tamar.christina@arm.com>
782 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
783 (usdot_prod<vsi2qi>): ... This.
784 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
785 (usdot_prod): ...This.
786 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
787 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
789 (@<sur>dot_prod<vsi2qi>): ...This.
790 * config/aarch64/aarch64-sve-builtins-base.cc
791 (svusdot_impl::expand): Use it.
793 2021-07-14 Tamar Christina <tamar.christina@arm.com>
795 * optabs.def (usdot_prod_optab): New.
796 * doc/md.texi: Document it and clarify other dot prod optabs.
797 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
798 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
799 * optabs.c (expand_widen_pattern_expr): Likewise.
800 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
801 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
802 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
804 (vect_widened_op_tree): Optionally ignore
806 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
808 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
811 * config/i386/driver-i386.c (host_detect_local_cpu): Check
812 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
813 Enable UINTR only for 64-bit codegen.
814 * config/i386/i386-options.c
815 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
817 * config/i386/i386.h (ARCH_ARG): New.
818 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
819 "[arch|tune] 64" for 64-bit codegen.
821 2021-07-14 Richard Biener <rguenther@suse.de>
823 PR tree-optimization/101445
824 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
825 of the IV in the correct direction for negative stride
828 2021-07-14 Jakub Jelinek <jakub@redhat.com>
831 * godump.c (godump_str_hash): New type.
832 (godump_container::pot_dummy_types): Use string_hash instead of
833 ptr_hash in the hash_set.
835 2021-07-14 Richard Biener <rguenther@suse.de>
837 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
838 vector types where the old vector type has a multiple of
839 the new vector type elements.
840 (vect_create_partial_epilog): New function, split out from...
841 (vect_create_epilog_for_reduction): ... here.
842 (vect_transform_cycle_phi): Reduce the re-used accumulator
843 to the new vector type.
845 2021-07-14 Alexandre Oliva <oliva@adacore.com>
847 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
848 non-'t'-sized arg check.
850 2021-07-14 Alexandre Oliva <oliva@adacore.com>
852 * tree-cfg.c (cleanup_dead_labels_eh): Update
853 post_landing_pad label upon change of landing pad block's
855 (cleanup_dead_labels): Check that a removed label is not that
858 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
860 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
862 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
863 Add Neon to general purpose register case for zero-extend
865 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
866 case to prevent some cases opting to go through memory.
867 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
868 * rtl.c (rtvec_series_p): Define predicate to determine
869 whether a vector contains a linear series of integers.
870 * rtl.h (rtvec_series_p): Define.
871 * rtlanal.c (vec_series_lowpart_p): Define predicate to
872 determine if a vector selection is equivalent to the low part
874 * rtlanal.h (vec_series_lowpart_p): Define.
875 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
876 Add vec_select -> subreg simplification.
878 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
880 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
881 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
882 _mm_test_mix_ones_zeros): New.
884 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
885 Richard Biener <rguenther@suse.de>
887 * gimple.c (gimple_could_trap_p_1): Make S argument a
888 "const gimple*". Preserve constness in call to
889 gimple_asm_volatile_p.
890 (gimple_could_trap_p): Make S argument a "const gimple*".
891 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
892 Update function prototypes.
894 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
896 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
897 (_loop_vec_info::main_loop_edge): New field.
898 (_loop_vec_info::skip_main_loop_edge): Likewise.
899 (_loop_vec_info::skip_this_loop_edge): Likewise.
900 (_loop_vec_info::reusable_accumulators): Likewise.
901 (_stmt_vec_info::reduc_scalar_results): Likewise.
902 (_stmt_vec_info::reused_accumulator): Likewise.
903 (vect_get_main_loop_result): Declare.
904 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
906 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
907 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
908 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
909 skip_main_loop_edge and skip_this_loop_edge fields.
910 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
911 (vect_emit_reduction_init_stmts): New function.
912 (get_initial_def_for_reduction): Use it.
913 (get_initial_defs_for_reduction): Likewise. Change the vinfo
914 parameter to a loop_vec_info.
915 (vect_create_epilog_for_reduction): Store the scalar results
916 in the reduc_info. If an epilogue loop is reusing an accumulator
917 from the main loop, and if the epilogue loop can also be skipped,
918 try to place the reduction code in the join block. Record
919 accumulators that could potentially be reused by epilogue loops.
920 (vect_transform_cycle_phi): When vectorizing epilogue loops,
921 try to reuse accumulators from the main loop. Record the initial
922 value in reduc_info for non-SLP reductions too.
924 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
926 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
927 adjustment handling. Take the neutral value as an argument,
928 in place of the code argument.
929 (vect_transform_cycle_phi): Update accordingly. Handle the
930 initial values of cond reductions separately from code reductions.
931 Choose the adjustment here rather than in
932 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
934 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
936 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
937 (neutral_op_for_reduction): ...this, providing a more general
939 (vect_create_epilog_for_reduction): Update accordingly.
940 (vectorizable_reduction): Likewise.
941 (vect_transform_cycle_phi): Likewise.
943 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
945 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
946 reduc_info instead of the original stmt_vec_info.
947 (vect_transform_cycle_phi): Update accordingly.
949 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
951 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
952 reduc_info as an additional parameter.
953 (vect_transform_cycle_phi): Update accordingly.
955 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
957 * tree-vectorizer.h: Include tree-ssa-operands.h.
958 (vect_phi_initial_value): New function.
959 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
960 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
961 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
962 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
964 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
966 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
967 the phi results to vectype after creating them. Remove later
968 conversion code that thus becomes redundant.
970 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
972 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
973 the new_phis vector with a reduc_inputs vector. Combine handling
974 of reduction chains and ncopies > 1.
976 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
978 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
979 scalar_results to group_size elements after reducing down from
980 N*group_size elements. Construct an array_slice of the live-out
981 stmts and assert that there is one stmt per scalar result.
983 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
985 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
986 nested_in_vect_loop and use double_reduc everywhere. Remove dead
987 assignment to "loop".
989 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
991 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
992 vector types first. For scalar types, consider both the preferred
993 vector mode and the alternative vector modes.
994 * optabs-query.c (can_vec_mask_load_store_p): Use the same
995 structure as above, in particular using related_vector_mode
996 for modes provided by autovectorize_vector_modes.
998 2021-07-13 Jakub Jelinek <jakub@redhat.com>
999 Richard Biener <rguenther@suse.de>
1001 PR tree-optimization/101419
1002 * tree-pass.h (PROP_objsz): Define.
1003 (make_pass_early_object_sizes): Declare.
1004 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
1005 there to pass_early_object_sizes, drop parameter.
1006 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
1007 drop parameter, move pass_post_ipa_warn right after that.
1008 * tree-object-size.c (pass_object_sizes::execute): Rename to...
1009 (object_sizes_execute): ... this. Add insert_min_max_p argument.
1010 (pass_data_object_sizes): Move after object_sizes_execute.
1011 (pass_object_sizes): Likewise. In execute method call
1012 object_sizes_execute, drop set_pass_param method and insert_min_max_p
1013 non-static data member and its initializer in the ctor.
1014 (pass_data_early_object_sizes, pass_early_object_sizes,
1015 make_pass_early_object_sizes): New.
1016 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
1017 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
1019 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
1022 * config/riscv/constraints.md ("S"): Update description and remove
1024 * doc/md.texi (Machine Constraints): Document the 'S' constraints
1027 2021-07-13 Richard Biener <rguenther@suse.de>
1030 2021-07-12 Richard Biener <rguenther@suse.de>
1032 * tree-vect-slp.c (vect_slp_region): Show the number of
1033 SLP graph entries in the optimization message.
1035 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
1037 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
1039 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
1040 return type to long.
1041 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
1044 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
1046 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
1047 Query relation between the 2 operands and use it.
1049 2021-07-12 Sergei Trofimovich <siarheit@google.com>
1051 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
1053 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
1056 * config/i386/predicates.md (vec_setm_sse41_operand):
1057 Rename from vec_setm_operand.
1058 (vec_setm_avx2_operand): New predicate.
1059 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
1060 Use vec_setm_sse41_operand as operand 2 predicate.
1061 (vec_set<V_256_512:mode): New expander.
1062 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
1063 as operand 2 predicate.
1065 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
1067 PR tree-optimization/101335
1068 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
1070 2021-07-12 Andrew Pinski <apinski@marvell.com>
1072 * tree-ssa-phiopt.c (match_simplify_replacement): Move
1073 insert of the sequence before the movement of the
1074 statement. Check if to see if the statement is used
1075 outside of the original phi to see if we should move it.
1077 2021-07-12 Richard Biener <rguenther@suse.de>
1079 * dump-context.h (debug_dump_context::debug_dump_context):
1080 Add FILE * parameter defaulted to stderr.
1081 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
1082 * tree-vect-slp.c (dot_slp_tree): New functions.
1084 2021-07-12 Richard Biener <rguenther@suse.de>
1086 PR tree-optimization/101373
1087 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
1088 references when the BB may not return.
1089 (compute_avail): Pass in the function we're working on and
1090 replace cfun references with it. Externally throwing
1091 const calls also possibly terminate the function.
1092 (pass_pre::execute): Pass down the function we're working on.
1093 * gcse.c (compute_hash_table_work): Externally throwing
1094 const/pure calls also need record_last_mem_set_info.
1095 * postreload-gcse.c (record_opr_changes): Looping or externally
1096 throwing const/pure calls also need record_last_mem_set_info.
1098 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
1100 * recog.c (memory_address_addr_space_p): Change the type to bool.
1101 Return true/false instead of 1/0.
1102 (offsettable_memref_p): Ditto.
1103 (offsettable_nonstrict_memref_p): Ditto.
1104 (offsettable_address_addr_space_p): Ditto.
1105 Change the type of addressp indirect function to bool.
1106 * recog.h (memory_address_addr_space_p): Change the type to bool.
1107 (strict_memory_address_addr_space_p): Ditto.
1108 (offsettable_memref_p): Ditto.
1109 (offsettable_nonstrict_memref_p): Ditto.
1110 (offsettable_address_addr_space_p): Ditto.
1111 * reload.c (maybe_memory_address_addr_space_p): Ditto.
1112 (strict_memory_address_addr_space_p): Change the type to bool.
1113 Return true/false instead of 1/0.
1114 (maybe_memory_address_addr_space_p): Change the type to bool.
1116 2021-07-12 Richard Biener <rguenther@suse.de>
1118 * tree-vect-slp.c (vect_slp_region): Show the number of
1119 SLP graph entries in the optimization message.
1121 2021-07-12 Richard Biener <rguenther@suse.de>
1123 PR tree-optimization/101394
1124 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
1125 copies from abnormals for a full redundancy.
1127 2021-07-12 Richard Biener <rguenther@suse.de>
1129 PR middle-end/101423
1130 * gimple.c (gimple_could_trap_p_1): Internal function calls
1132 * tree-eh.c (tree_could_trap_p): Likewise.
1134 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
1137 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
1139 (vmulq_n_u32): Likewise.
1140 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
1141 (vmulq_n_f32): Likewise.
1142 (vmul_n_f16): Likewise.
1143 (vmulq_n_f16): Likewise.
1145 2021-07-12 Martin Liska <mliska@suse.cz>
1148 * gcc.c (check_offload_target_name): Call
1149 candidates_list_and_hint only if we have a candidate.
1151 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
1154 * config/arm/neon.md (vec_init): Move to ...
1155 * config/arm/vec-common.md (vec_init): ... here.
1156 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
1158 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
1160 PR tree-optimization/101403
1161 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
1162 signedness of the shift is not the same as the signedness of
1165 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
1166 Uroš Bizjak <ubizjak@gmail.com>
1168 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
1169 divmod of a constant numerator with new define_insn_and_split.
1171 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1174 * config/i386/i386-expand.c (ix86_expand_call): If a call is
1175 to a non-local-binding, or local but to a public symbol, then
1176 assume that it might be indirected via the lazy symbol binder.
1177 Mark R10 and R10 as clobbered in that case.
1179 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
1182 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
1183 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
1184 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
1186 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
1188 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
1189 log2 range of operands[3] to [1,31].
1190 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
1192 2021-07-09 Sergei Trofimovich <siarheit@google.com>
1194 * doc/md.texi: Don't split @smallexample in multiple @groups.
1196 2021-07-09 Sergei Trofimovich <siarheit@google.com>
1198 * doc/md.texi: Add missing 'see' word.
1200 2021-07-09 Andrew Pinski <apinski@marvell.com>
1202 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
1203 to take sequence and gimple_match_op. Accept the case where
1204 op is a SSA_NAME and one statement in the sequence.
1205 Also allow constants.
1206 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
1207 Update call to phiopt_early_allow. Discard the sequence if not
1210 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
1215 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
1216 instead of ISA_HAS_MSA.
1217 (mips_expand_vec_unpack): Likewise.
1218 (mips_expand_vector_init): Likewise.
1220 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
1222 * config/rs6000/vsx.md (mods_<mode>): Rename to...
1223 (mod<mode>3): ... this.
1224 (modu_<mode>): Rename to...
1225 (umod<mode>3): ... this.
1226 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
1229 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
1231 * config/h8300/shiftrotate.md (variable shifts): Expose condition
1232 code handling for the test before the loop.
1234 2021-07-08 Martin Jambor <mjambor@suse.cz>
1237 * ipa-sra.c (class isra_call_summary): New member
1238 m_before_any_store, initialize it in the constructor.
1239 (isra_call_summary::dump): Dump the new field.
1240 (ipa_sra_call_summaries::duplicate): Copy it.
1241 (process_scan_results): Set it.
1242 (isra_write_edge_summary): Stream it.
1243 (isra_read_edge_summary): Likewise.
1244 (param_splitting_across_edge): Only override
1245 safe_to_import_accesses if m_before_any_store is set.
1247 2021-07-08 Martin Sebor <msebor@redhat.com>
1250 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
1251 Use Object Size Type 0 instead of 1.
1253 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
1255 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
1258 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
1260 * match.pd: Simplify an extend-operate-truncate sequence involving
1263 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
1264 Richard Biener <rguenther@suse.de>
1266 PR tree-optimization/40210
1267 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
1268 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
1269 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
1271 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
1274 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
1276 * config/i386/mmx.md (V_32): New mode iterator.
1277 (mov<V_32:mode>): Use V_32 mode iterator.
1278 (*mov<V_32:mode>_internal): Ditto.
1279 (*push<V_32:mode>2_rex64): Ditto.
1280 (*push<V_32:mode>2): Ditto.
1281 (movmisalign<V_32:mode>): Ditto.
1282 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
1283 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
1284 (vec_unpacks_lo_v4qi): New expander.
1285 (vec_unpacks_hi_v4qi): Ditto.
1286 (vec_unpacku_lo_v4qi): Ditto.
1287 (vec_unpacku_hi_v4qi): Ditto.
1288 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
1289 (VALID_INT_MODE_P): Ditto.
1291 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
1294 * config/rs6000/rs6000.md (udivti3): New insn.
1296 (umodti3): New insn.
1299 2021-07-07 Martin Sebor <msebor@redhat.com>
1301 PR tree-optimization/100137
1302 PR tree-optimization/99121
1303 PR tree-optimization/97027
1304 * builtins.c (access_ref::access_ref): Also set offmax.
1305 (access_ref::offset_in_range): Define new function.
1306 (access_ref::add_offset): Set offmax.
1307 (access_ref::inform_access): Handle access_none.
1308 (handle_mem_ref): Clear ostype.
1309 (compute_objsize_r): Handle ASSERT_EXPR.
1310 * builtins.h (struct access_ref): Add offmax member.
1311 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
1312 compute_objsize() and simplify.
1314 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
1316 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
1317 and VSX_BUILTIN_STXVP.
1319 2021-07-07 Martin Sebor <msebor@redhat.com>
1322 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
1323 a stray %K from error_at() missed in r12-2088.
1325 2021-07-07 Richard Biener <rguenther@suse.de>
1327 PR tree-optimization/99728
1328 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
1330 (mem_refs_may_alias_p): Add assert we handled aggregate
1332 (sm_seq_valid_bb): Give up when running into aggregate copies.
1333 (ref_indep_loop_p): Handle aggregate copies as never
1334 being invariant themselves but allow other refs to be
1335 disambiguated against them.
1336 (can_sm_ref_p): Do not try to apply store-motion to aggregate
1339 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
1342 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
1345 2021-07-06 Martin Sebor <msebor@redhat.com>
1347 * gimple-pretty-print.c (percent_G_format): Remove.
1348 * tree-diagnostic.c (default_tree_printer): Remove calls.
1349 * tree-pretty-print.c (percent_K_format): Remove.
1350 * tree-pretty-print.h (percent_K_format): Remove.
1352 2021-07-06 Martin Sebor <msebor@redhat.com>
1354 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
1355 Remove %K and use error_at.
1356 (aarch64_expand_fcmla_builtin): Same.
1357 (aarch64_expand_builtin_tme): Same.
1358 (aarch64_expand_builtin_memtag): Same.
1359 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
1360 (arm_expand_builtin): Same.
1361 * config/arm/arm.c (bounds_check): Same.
1363 2021-07-06 Martin Sebor <msebor@redhat.com>
1365 * builtins.c (warn_string_no_nul): Remove %G.
1366 (maybe_warn_for_bound): Same.
1367 (warn_for_access): Same.
1368 (check_access): Same.
1369 (check_strncat_sizes): Same.
1370 (expand_builtin_strncat): Same.
1371 (expand_builtin_strncmp): Same.
1372 (expand_builtin): Same.
1373 (expand_builtin_object_size): Same.
1374 (warn_dealloc_offset): Same.
1375 (maybe_emit_free_warning): Same.
1376 * calls.c (maybe_warn_alloc_args_overflow): Same.
1377 (maybe_warn_nonstring_arg): Same.
1378 (maybe_warn_rdwr_sizes): Same.
1379 * expr.c (expand_expr_real_1): Remove %K.
1380 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
1381 (gimple_fold_builtin_strncat): Same.
1382 * gimple-ssa-sprintf.c (format_directive): Same.
1383 (handle_printf_call): Same.
1384 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
1385 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
1386 (maybe_diag_access_bounds): Same. Call gimple_location.
1387 (check_bounds_or_overlap): Same.
1388 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
1389 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
1390 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
1391 (maybe_diag_stxncpy_trunc): Same.
1392 (handle_builtin_stxncpy_strncat): Same.
1393 (maybe_warn_pointless_strcmp): Same.
1394 * tree-ssa-uninit.c (maybe_warn_operand): Same.
1396 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
1399 * config/i386/predicates.md (vec_setm_operand): Enable
1400 register_operand for TARGET_SSE4_1.
1401 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
1402 as operand 2 predicate. Call ix86_expand_vector_set_var
1403 for non-constant index operand.
1404 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
1405 Call ix86_expand_vector_set_var for non-constant index operand.
1407 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
1409 * config/h8300/jumpcall.md (*branch): When possible, generate
1410 the comparison in CCZN mode.
1411 * config/h8300/predicates.md (simple_memory_operand): Reject all
1412 auto-increment addressing modes.
1414 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
1417 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
1420 2021-07-06 Richard Biener <rguenther@suse.de>
1422 * doc/md.texi (vec_fmaddsub<mode>4): Document.
1423 (vec_fmsubadd<mode>4): Likewise.
1424 * optabs.def (vec_fmaddsub$a4): Add.
1425 (vec_fmsubadd$a4): Likewise.
1426 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
1427 (IFN_VEC_FMSUBADD): Likewise.
1428 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
1429 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
1430 (addsub_pattern::build): Likewise.
1431 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
1432 and CFN_VEC_FMSUBADD are not transparent for permutes.
1433 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
1434 (vec_fmsubadd<mode>4): Likewise.
1436 2021-07-06 Richard Biener <rguenther@suse.de>
1438 * doc/invoke.texi (fmove-loop-stores): Document.
1439 * common.opt (fmove-loop-stores): New option.
1440 * opts.c (default_options_table): Enable -fmove-loop-stores
1442 * tree-ssa-loop-im.c (pass_lim::execute): Pass
1443 flag_move_loop_stores instead of true to
1444 loop_invariant_motion_in_fun.
1446 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
1448 * doc/install.texi: Document --with-dsymutil.
1450 2021-07-06 Andrew Pinski <apinski@marvell.com>
1452 PR tree-optimization/101256
1453 * dbgcnt.def (phiopt_edge_range): New counter.
1454 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
1455 Check to make sure the new name is defined in the same
1456 bb as the conditional before duplicating range info.
1457 Also add debug counter.
1459 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
1461 PR rtl-optimization/100328
1462 * config/i386/i386-options.c (ix86_option_override_internal):
1463 Set param_ira_consider_dup_in_all_alts to 0.
1465 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
1467 PR rtl-optimization/100328
1468 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
1470 * ira.c (ira_get_dup_out_num): Adjust as parameter
1471 param_ira_consider_dup_in_all_alts.
1472 * params.opt (ira-consider-dup-in-all-alts): New.
1473 * ira-conflicts.c (process_regs_for_copy): Add one parameter
1474 single_input_op_has_cstr_p.
1475 (get_freq_for_shuffle_copy): New function.
1476 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
1477 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
1479 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
1481 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
1482 generate condition code aware RTL directly.
1484 2021-07-05 Andrew Pinski <apinski@marvell.com>
1486 PR tree-optimization/101039
1487 * match.pd (A CMP 0 ? A : -A): New patterns.
1488 * tree-ssa-phiopt.c (abs_replacement): Delete function.
1489 (tree_ssa_phiopt_worker): Don't call abs_replacement.
1490 Update comment about abs_replacement.
1492 2021-07-05 Andrew Pinski <apinski@marvell.com>
1494 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
1495 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
1497 2021-07-05 Andrew Pinski <apinski@marvell.com>
1499 * tree-ssa-phiopt.c (match_simplify_replacement):
1500 Add early_p argument. Call gimple_simplify_phiopt
1501 instead of gimple_simplify.
1502 (tree_ssa_phiopt_worker): Update call to
1503 match_simplify_replacement and allow unconditionally.
1504 (phiopt_early_allow): New function.
1505 (gimple_simplify_phiopt): New function.
1507 2021-07-05 Andrew Pinski <apinski@marvell.com>
1509 PR middle-end/101237
1510 * fold-const.c (negate_expr_p): Remove call to element_mode
1511 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
1512 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
1513 (fold_negate_expr_1): Likewise.
1514 (const_unop): Likewise.
1515 (fold_cond_expr_with_comparison): Likewise.
1516 (fold_binary_loc): Likewise.
1517 (fold_ternary_loc): Likewise.
1518 (tree_call_nonnegative_warnv_p): Likewise.
1519 * match.pd (-(A + B) -> (-B) - A): Likewise.
1521 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
1523 * configure.ac: Handle --with-dsymutil in the same way as we
1524 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
1525 Extract the type and version for the dsymutil configured or
1526 found by the default searches.
1527 * config.in: Regenerated.
1528 * configure: Regenerated.
1529 * collect2.c (do_dsymutil): Handle locating dsymutil in the
1530 same way as for the assembler and linker.
1531 * config/darwin.h (DSYMUTIL): Delete.
1532 * gcc.c: Report a configured dsymutil correctly.
1533 * exec-tool.in: Allow for dsymutil.
1535 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
1537 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
1538 Handle V4QI and V2HI modes.
1539 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
1540 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
1541 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
1542 Handle 4-byte dual operands with TARGET_XOP and single operands
1543 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
1544 mmx_pshufbv4qi3 for TARGET_SSSE3.
1545 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
1546 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
1547 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
1548 (expand_vec_perm_even_odd_1): Handle V4QI mode.
1549 (expand_vec_perm_broadcast_1): Handle V4QI mode.
1550 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
1551 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
1552 (mmx_pshufbv4qi3): Ditto.
1553 (*mmx_pblendw32): Ditto.
1554 (*mmx_pblendw64): Rename from *mmx_pblendw.
1555 (mmx_punpckhbw_low): New insn_and_split pattern.
1556 (mmx_punpcklbw_low): Ditto.
1558 2021-07-05 Richard Biener <rguenther@suse.de>
1560 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
1561 set LOOP_C_INFINITE on the vectorized loop.
1563 2021-07-05 Richard Biener <rguenther@suse.de>
1565 PR middle-end/101291
1566 * cfgloopmanip.c (loop_version): Set the loop copy of the
1567 versioned loop to the new loop.
1569 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
1572 * config.gcc: Ensure that Darwin biarch definitions are
1573 added before i386.h.
1574 * config/i386/darwin.h (TARGET_64BIT): Remove.
1575 (PR80556_WORKAROUND): New.
1576 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
1577 (DARWIN_SUBARCH_SPEC): New.
1578 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
1579 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
1580 (REAL_LIBGCC_SPEC): Remove.
1581 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
1582 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
1583 (REAL_LIBGCC_SPEC): Remove.
1585 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
1587 PR middle-end/101294
1588 * expr.c (store_constructor): Don't use vec_duplicate on vector.
1590 2021-07-02 Martin Sebor <msebor@redhat.com>
1594 * diagnostic.c (get_any_inlining_info): New.
1595 (update_effective_level_from_pragmas): Handle inlining context.
1596 (diagnostic_enabled): Same.
1597 (diagnostic_report_diagnostic): Same.
1598 * diagnostic.h (struct diagnostic_info): Add ctor.
1599 (struct diagnostic_context): Add new member.
1600 * tree-diagnostic.c (set_inlining_locations): New.
1601 (tree_diagnostics_defaults): Set new callback pointer.
1603 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
1605 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
1607 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
1608 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
1609 lxvp and stxvp built-ins.
1610 (mma_init_builtins): Handle lxvp and stxvp built-ins.
1611 (builtin_function_type): Likewise.
1612 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
1614 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1616 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
1617 additional argument for the code.
1618 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
1619 argument for the code. Just return if the ZN bits are useful or
1620 not rather than the old style CC_* enums.
1621 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
1622 more generic shiftqi patterns.
1623 (shifthi_noscratch, shiftsi_noscratch): Similarly.
1624 (shiftqi_noscratch_set_flags): New pattern.
1625 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
1627 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
1629 PR tree-optimization/101223
1630 * range-op.cc (build_lt): Add -1 for signed values.
1631 (built_gt): Subtract -1 for signed values.
1633 2021-07-02 David Faust <david.faust@oracle.com>
1635 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
1636 (btf_asm_type): Likewise.
1638 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1640 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
1641 an array of rtx rather than a pointer to rtx. Add code argument.
1642 (compute_a_shift_length): Similarly.
1643 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
1644 shift itself isn't an operand. Create dummy operand[0] to carry
1645 a mode and pass a suitable rtx code to compute_a_shift_length.
1646 (get_shift_alg): Adjust operand number of clobber in output templates.
1647 (output_a_shift): Make first argument an array of rtx rather than
1648 a pointer to rtx. Add code argument for the type of shift.
1649 Adjust now that the shift itself is no longer an operand.
1650 (compute_a_shift_length): Similarly.
1651 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
1652 iterator rather than nshift_operator.
1653 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
1654 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
1655 and compute_a_shift_length.
1656 (shiftqi_noscratch_clobber_flags): Likewise.
1657 (shifthi_noscratch_clobber_flags): Likewise.
1658 (shiftsi_noscratch_clobber_flags): Likewise.
1660 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
1663 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
1664 dsymutil for BTF/CTF.
1666 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
1669 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
1670 segment to include BTF.
1671 (BTF_INFO_SECTION_NAME): New.
1673 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1675 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
1676 (small_data_operand, memreg_operand, small_insn_p): Likewise.
1677 * config/m32r/m32r.c (call_operand): Adjust return type.
1678 (small_data_operand, memreg_operand): Likewise.
1680 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1682 * config/frv/frv-protos.h (integer_register_operand): Adjust return
1684 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
1685 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
1686 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
1687 (move_source_operand, move_destination_operand): Likewise.
1688 (condexec_source_operand, condexec_dest_operand): Likewise.
1689 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
1690 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
1691 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
1692 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
1693 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
1694 (even_fpr_operand, odd_fpr_operand): Likewise.
1695 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
1696 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
1697 (uint4_operand, uint1_operand, int_2word_operand): Likewise
1698 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
1699 (relational_operator, float_relational_operator): Likewise.
1700 (ccr_eqne_operator, minmax_operator): Likewise.
1701 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
1702 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
1703 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
1704 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
1705 (quad_acc_operand, accg_operand): Likewise.
1707 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1709 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
1710 return type to a bool.
1711 (nonimmediate_nonstack_operand): Likewise.
1712 (xstormy16_splittable_below100_operand): Likewise.
1713 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
1715 (xstormy16_splittable_below100_operand): Likewise.
1717 2021-07-02 Richard Biener <rguenther@suse.de>
1719 PR tree-optimization/101293
1720 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
1721 with combined offsets.
1722 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
1723 combined with the rest of the offset.
1725 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
1727 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
1728 PIC encodings for PE-COFF targets.
1730 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1733 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
1734 Return nullptr for TImode inner mode.
1736 2021-07-02 Richard Biener <rguenther@suse.de>
1738 PR tree-optimization/101280
1739 PR tree-optimization/101173
1740 * gimple-loop-interchange.cc
1741 (tree_loop_interchange::valid_data_dependences): Properly
1742 guard all dependence checks with DDR_REVERSED_P or its
1745 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
1747 * config/i386/i386-expand.c (ix86_expand_builtin):
1748 Add branch to clear odata when ZF is set for asedecenc_expand
1749 and wideaesdecenc_expand.
1751 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
1753 * config/i386/gcc-auto-profile: regenerate
1755 2021-07-02 liuhongt <hongtao.liu@intel.com>
1757 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
1758 (trunc<mode><pmov_dst_4_lower>2): this.
1760 2021-07-01 David Malcolm <dmalcolm@redhat.com>
1762 * diagnostic.h (diagnostic_context::m_file_cache): New field.
1763 * input.c (class fcache): Rename to...
1764 (class file_cache_slot): ...this, making most members private and
1765 prefixing fields with "m_".
1766 (file_cache_slot::get_file_path): New accessor.
1767 (file_cache_slot::get_use_count): New accessor.
1768 (file_cache_slot::missing_trailing_newline_p): New accessor.
1769 (file_cache_slot::inc_use_count): New.
1770 (fcache_buffer_size): Move to...
1771 (file_cache_slot::buffer_size): ...here.
1772 (fcache_line_record_size): Move to...
1773 (file_cache_slot::line_record_size): ...here.
1774 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
1775 (fcache_tab_size): Move to file_cache::num_file_slots.
1776 (diagnostic_file_cache_init): Update for move of fcache_tab
1777 to global_dc->m_file_cache.
1778 (diagnostic_file_cache_fini): Likewise.
1779 (lookup_file_in_cache_tab): Convert to...
1780 (file_cache::lookup_file): ...this.
1781 (diagnostics_file_cache_forcibly_evict_file): Update for move of
1782 fcache_tab to global_dc->m_file_cache, moving most of
1783 implementation to...
1784 (file_cache::forcibly_evict_file): ...this new function and...
1785 (file_cache_slot::evict): ...this new function.
1786 (evicted_cache_tab_entry): Convert to...
1787 (file_cache::evicted_cache_tab_entry): ...this.
1788 (add_file_to_cache_tab): Convert to...
1789 (file_cache::add_file): ...this, moving bulk of implementation
1791 (file_cache_slot::create): ..this new function.
1792 (file_cache::file_cache): New.
1793 (file_cache::~file_cache): New.
1794 (lookup_or_add_file_to_cache_tab): Convert to...
1795 (file_cache::lookup_or_add_file): ..this new function.
1796 (fcache::fcache): Rename to...
1797 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
1799 (fcache::~fcache): Rename to...
1800 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
1802 (needs_read): Convert to...
1803 (file_cache_slot::needs_read_p): ...this.
1804 (needs_grow): Convert to...
1805 (file_cache_slot::needs_grow_p): ...this.
1806 (maybe_grow): Convert to...
1807 (file_cache_slot::maybe_grow): ...this.
1808 (read_data): Convert to...
1809 (file_cache_slot::read_data): ...this.
1810 (maybe_read_data): Convert to...
1811 (file_cache_slot::maybe_read_data): ...this.
1812 (get_next_line): Convert to...
1813 (file_cache_slot::get_next_line): ...this.
1814 (goto_next_line): Convert to...
1815 (file_cache_slot::goto_next_line): ...this.
1816 (read_line_num): Convert to...
1817 (file_cache_slot::read_line_num): ...this.
1818 (location_get_source_line): Update for moving of globals to
1819 global_dc->m_file_cache.
1820 (location_missing_trailing_newline): Likewise.
1821 * input.h (class file_cache_slot): New forward decl.
1822 (class file_cache): New.
1824 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
1826 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
1827 128-bit floating point conditional move support.
1828 (have_compare_and_set_mask): Add IEEE 128-bit floating point
1830 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
1831 (mov<mode>cc_p10, IEEE128 iterator): New insn.
1832 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
1833 (fpmask<mode>, IEEE128 iterator): New insn.
1834 (xxsel<mode>, IEEE128 iterator): New insn.
1836 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
1839 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
1841 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
1843 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
1845 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
1847 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
1848 (vec_duplicate<mode>): New expander.
1850 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
1853 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
1855 (ix86_byte_broadcast): New function.
1856 (ix86_convert_const_wide_int_to_broadcast): Likewise.
1857 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
1858 size is 16 bytes or bigger.
1859 (ix86_broadcast_from_integer_constant): New function.
1860 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
1861 to broadcast if mode size is 16 bytes or bigger.
1862 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
1864 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
1866 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1868 * config/i386/predicates.md (ix86_endbr_immediate_operand):
1869 Return true/false instead of 1/0.
1870 (movq_parallel): Ditto.
1872 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1874 * recog.c (general_operand): Return true/false instead of 1/0.
1875 (register_operand): Ditto.
1876 (immediate_operand): Ditto.
1877 (const_int_operand): Ditto.
1878 (const_scalar_int_operand): Ditto.
1879 (const_double_operand): Ditto.
1880 (push_operand): Ditto.
1881 (pop_operand): Ditto.
1882 (memory_operand): Ditto.
1883 (indirect_operand): Ditto.
1885 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1887 * genpreds.c (write_predicate_subfunction):
1888 Change the type of written subfunction to bool.
1889 (write_one_predicate_function):
1890 Change the type of written function to bool.
1891 (write_tm_preds_h): Ditto.
1892 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
1893 * recog.c (general_operand): Change the type to bool.
1894 (address_operand): Ditto.
1895 (register_operand): Ditto.
1896 (pmode_register_operand): Ditto.
1897 (scratch_operand): Ditto.
1898 (immediate_operand): Ditto.
1899 (const_int_operand): Ditto.
1900 (const_scalar_int_operand): Ditto.
1901 (const_double_operand): Ditto.
1902 (nonimmediate_operand): Ditto.
1903 (nonmemory_operand): Ditto.
1904 (push_operand): Ditto.
1905 (pop_operand): Ditto.
1906 (memory_operand): Ditto.
1907 (indirect_operand): Ditto.
1908 (ordered_comparison_operator): Ditto.
1909 (comparison_operator): Ditto.
1910 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
1911 Change the type of indirect predicate function to bool.
1912 * config/rs6000/rs6000.c (easy_vector_constant):
1913 Change the type to bool.
1914 * config/mips/mips-protos.h (m16_based_address_p):
1915 Change the type of operand 3 to bool.
1917 2021-07-01 Richard Biener <rguenther@suse.de>
1919 PR tree-optimization/101280
1920 PR tree-optimization/101173
1921 * gimple-loop-interchange.cc
1922 (tree_loop_interchange::valid_data_dependences): Revert
1923 previous change and instead correctly handle DDR_REVERSED_P
1926 2021-07-01 Richard Biener <rguenther@suse.de>
1928 PR tree-optimization/101278
1929 * tree-ssa-dse.c (dse_classify_store): First check for
1930 uses, then ignore stmt for chaining purposes.
1932 2021-07-01 Richard Biener <rguenther@suse.de>
1934 PR tree-optimization/100778
1935 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
1936 vectorized ops ahead of their scalar BB.
1938 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1941 * config/i386/i386.md (*nabs<dwi>2_doubleword):
1942 New insn_and_split pattern.
1943 (*nabs<dwi>2_1): Ditto.
1944 * config/i386/i386-features.c
1945 (general_scalar_chain::compute_convert_gain):
1946 Handle (NEG (ABS (...))) RTX. Rewrite src code
1947 scanner as switch statement.
1948 (general_scalar_chain::convert_insn):
1949 Handle (NEG (ABS (...))) RTX.
1950 (general_scalar_to_vector_candidate_p):
1951 Detect (NEG (ABS (...))) RTX. Reorder case statements
1952 for (AND (NOT (...) ...)) fallthrough.
1954 2021-07-01 Richard Biener <rguenther@suse.de>
1956 PR tree-optimization/101178
1957 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
1958 (slpg::perm_in): Add.
1959 (slpg::get_perm_in): Remove.
1960 (slpg::get_perm_materialized): Add.
1961 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
1962 during permute propagation and materialization.
1964 2021-07-01 Jakub Jelinek <jakub@redhat.com>
1967 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
1969 2021-07-01 Jakub Jelinek <jakub@redhat.com>
1972 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
1973 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
1974 use boolean_type_node instead of integer_type_node as NE_EXPR type.
1975 (lower_reduction_clauses): Likewise.
1977 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1979 * config/gcn/gcn.c: Include dwarf2.h.
1980 (gcn_addr_space_debug): New function.
1981 (TARGET_ADDR_SPACE_DEBUG): New hook.
1983 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1985 * common/config/gcn/gcn-common.c
1986 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
1987 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
1989 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
1990 (gcn_frame_pointer_rqd): New function.
1991 (TARGET_FRAME_POINTER_REQUIRED): New hook.
1993 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1995 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
1996 prologue register saves.
1997 (gcn_debug_unwind_info): Use UI_DWARF2.
1998 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
1999 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
2000 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
2001 (DWARF_LINK_REGISTER): New define.
2002 (FIRST_PSEUDO_REGISTER): Increment.
2003 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
2004 (CALL_USED_REGISTERS): Likewise.
2005 (REGISTER_NAMES): Likewise.
2007 2021-06-30 Richard Biener <rguenther@suse.de>
2009 PR tree-optimization/101267
2010 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
2011 API and use SLP compatible interface of vect_is_simple_use.
2012 Reject not vectorized SLP defs for callers that do not support
2014 (vect_check_store_rhs): Handle masked stores and pass down
2015 the appropriate operator index.
2016 (vectorizable_call): Adjust.
2017 (vectorizable_store): Likewise.
2018 (vectorizable_load): Likewise. Handle SLP pecularity of
2020 (vect_is_simple_use): Remove special-casing of masked stores.
2022 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
2024 * common.opt (foffload): Remove help as Driver only.
2025 * gcc.c (display_help): Add -foffload.
2027 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
2029 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
2030 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
2031 a candidate list; better inform no offload target is configured
2032 and fix hint extraction when passed target is not '\0' at [len].
2033 * common.opt (foffload): Add tailing '.'.
2034 (foffload-options): Likewise; fix flag name in the help string.
2036 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2039 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
2040 (vcage_f32): Gate comparison on __FAST_MATH__.
2041 (vcageq_f32): Likewise.
2042 (vcale_f32): Likewise.
2043 (vcaleq_f32): Likewise.
2044 (vcagt_f32): Likewise.
2045 (vcagtq_f32): Likewise.
2046 (vcalt_f32): Likewise.
2047 (vcaltq_f32): Likewise.
2048 (vcage_f16): Likewise.
2049 (vcageq_f16): Likewise.
2050 (vcale_f16): Likewise.
2051 (vcaleq_f16): Likewise.
2052 (vcagt_f16): Likewise.
2053 (vcagtq_f16): Likewise.
2054 (vcalt_f16): Likewise.
2055 (vcaltq_f16): Likewise.
2057 2021-06-30 Richard Biener <rguenther@suse.de>
2059 PR tree-optimization/101264
2060 * tree-vect-slp.c (vect_optimize_slp): Propagate the
2061 computed perm_in to all "any" permute successors
2062 we cannot de-duplicate immediately.
2064 2021-06-30 liuhongt <hongtao.liu@intel.com>
2067 * config/i386/sse.md
2068 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
2070 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
2072 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
2073 * config/i386/subst.md (maskz_scalar): New define_subst.
2074 (maskz_scalar_name): New subst_attr.
2075 (maskz_scalar_op5): Ditto.
2076 (round_saeonly_maskz_scalar_op5): Ditto.
2077 (round_saeonly_maskz_scalar_operand5): Ditto.
2079 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
2081 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
2082 Increase code CSECT alignment to at least 32 bytes.
2083 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
2084 alignment designation.
2086 2021-06-29 Sergei Trofimovich <siarheit@google.com>
2088 * doc/generic.texi: Fix s/net yet/not yet/ typo.
2090 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
2092 PR tree-optimization/101254
2093 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
2094 wrapping/non-wrapping when setting the result range.
2096 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
2098 * value-query.cc (gimple_range_global): Allow phis.
2100 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
2102 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
2103 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
2104 statement for location context.
2105 (check_for_binary_op_overflow): Ditto.
2106 (simplify_using_ranges::get_vr_for_comparison): Ditto.
2107 (simplify_using_ranges::compare_name_with_value): Ditto.
2108 (simplify_using_ranges::compare_names): Ditto.
2109 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
2110 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
2111 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
2112 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
2113 (simplify_using_ranges::two_valued_val_range_p): Ditto.
2114 (simplify_using_ranges::simplify): Ditto.
2115 * vr-values.h: Adjust prototypes.
2117 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
2120 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
2122 2021-06-29 Julian Brown <julian@codesourcery.com>
2124 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
2125 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
2126 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
2128 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
2129 (MAX_FIXED_MODE_SIZE): Change to 128.
2131 2021-06-29 Julian Brown <julian@codesourcery.com>
2133 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
2134 (s_mnemonic): Add clrsb.
2135 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
2136 (clrsb<mode>2): Add expander for SImode/DImode.
2138 2021-06-29 Julian Brown <julian@codesourcery.com>
2140 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
2141 muldi3): Add patterns.
2143 2021-06-29 Julian Brown <julian@codesourcery.com>
2145 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
2146 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
2148 2021-06-29 Julian Brown <julian@codesourcery.com>
2150 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
2152 2021-06-29 Joseph Myers <joseph@codesourcery.com>
2154 * btfout.c, ctfout.c: Include "memmodel.h".
2156 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
2158 * gcc.c (check_offload_target_name): Cast len argument to
2159 %q.*s to 'int'; avoid -Wstringop-truncation warning.
2161 2021-06-29 Richard Biener <rguenther@suse.de>
2163 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
2164 to "any" permute nodes and relax "any" permute proapgation
2165 during iterative backward propagation.
2167 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
2170 * common.opt (-foffload=): Update description.
2171 (-foffload-options=): New.
2172 * doc/invoke.texi (C Language Options): Document
2173 -foffload and -foffload-options.
2174 * gcc.c (check_offload_target_name): New, split off from
2175 handle_foffload_option.
2176 (check_foffload_target_names): New.
2177 (handle_foffload_option): Handle -foffload=default.
2178 (driver_handle_option): Update for -foffload-options.
2179 * lto-opts.c (lto_write_options): Use -foffload-options
2180 instead of -foffload.
2181 * lto-wrapper.c (merge_and_complain, append_offload_options):
2183 * opts.c (common_handle_option): Likewise.
2185 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
2187 * doc/invoke.texi (C Language Options): Sort options
2188 alphabetically in optlist and also the description itself.
2189 Remove leftover -fallow-single-precision from and add missing
2190 -fgnu-tm to the optlist.
2192 2021-06-29 Richard Biener <rguenther@suse.de>
2194 * tree-vect-slp.c (slpg_vertex::visited): Remove.
2195 (vect_slp_perms_eq): Handle -1 permutes.
2196 (vect_optimize_slp): Rewrite permute propagation.
2198 2021-06-29 Jakub Jelinek <jakub@redhat.com>
2201 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
2202 perform the optimization in GENERIC when sanitizing and x has a
2205 2021-06-29 Richard Biener <rguenther@suse.de>
2207 PR tree-optimization/101242
2208 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
2209 PHIs with not represented initial values as leafs.
2211 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
2213 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
2214 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
2216 (pdp11_initial_elimination_offset) Remove unused variable.
2217 (pdp11_cmp_length) Ditto.
2218 (pdp11_insn_cost): Ditto, and fix signedness warning.
2220 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
2222 * btfout.c: Include tm_p.h.
2225 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
2227 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
2229 (bpf_expand_epilogue): Likewise.
2230 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
2231 Do not define DBX_DEBUGGING_INFO.
2233 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
2235 * doc/invoke.texi: Document the CTF and BTF debug info options.
2237 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
2238 David Faust <david.faust@oracle.com>
2239 Jose E. Marchesi <jose.marchesi@oracle.com>
2240 Weimin Pan <weimin.pan@oracle.com>
2242 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
2243 GTFILES. Add new object files.
2244 * common.opt: Add CTF and BTF debug info options.
2245 * btfout.c: New file.
2248 * ctfout.c: Likewise.
2249 * dwarf2ctf.c: Likewise.
2250 * dwarf2ctf.h: Likewise.
2251 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
2253 * dwarf2out.c (dwarf2out_source_line): Likewise.
2254 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
2256 (debug_format_do_cu): New function.
2257 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
2259 Include dwarf2ctf.c.
2260 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
2262 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
2263 (CTF_DEBUG): New bitmask.
2264 (BTF_DEBUG): Likewise.
2265 (enum ctf_debug_info_levels): New enum.
2266 * gengtype.c (open_base_files): Handle ctfc.h.
2267 (main): Handle uint32_t type.
2268 * flags.h (btf_debuginfo_p): New definition.
2269 (dwarf_based_debuginfo_p): Likewise.
2270 * opts.c (debug_type_names): Add entries for CTF and BTF.
2271 (btf_debuginfo_p): New function.
2272 (dwarf_based_debuginfo_p): Likewise.
2273 (common_handle_option): Handle -gctfN and -gbtf options.
2274 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
2275 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
2278 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
2280 * dwarf2out.c (AT_class): Function is no longer static.
2282 (AT_unsigned): Likewise.
2285 (get_AT_string): Likewise.
2286 (get_AT_flag): Likewise.
2287 (get_AT_unsigned): Likewise.
2288 (get_AT_ref): Likewise.
2289 (new_die_raw): Likewise.
2290 (lookup_decl_die): Likewise.
2291 (base_type_die): Likewise.
2292 (add_name_attribute): Likewise.
2293 (add_AT_int): Likewise.
2294 (add_AT_unsigned): Likewise.
2295 (add_AT_loc): Likewise.
2296 (dw_get_die_tag): New function.
2297 (dw_get_die_child): Likewise.
2298 (dw_get_die_sib): Likewise.
2299 (struct dwarf_file_data): Move from here to dwarf2out.h
2300 (struct dw_attr_struct): Likewise.
2301 * dwarf2out.h: Analogous changes.
2303 2021-06-28 Martin Jambor <mjambor@suse.cz>
2306 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
2307 members m_dead_stmts and m_dead_ssas.
2308 * ipa-param-manipulation.c
2309 (ipa_param_body_adjustments::mark_dead_statements): New function.
2310 (ipa_param_body_adjustments::common_initialization): Call it on
2311 all removed but not split parameters.
2312 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
2314 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
2316 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
2317 dead debug statements.
2318 (copy_phis_for_bb): Do not copy dead PHI nodes.
2320 2021-06-28 Martin Jambor <mjambor@suse.cz>
2323 * symtab-clones.h (clone_info): Removed member param_adjustments.
2324 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
2325 deal with pass-through splits now.
2326 (ipa_param_performed_split): Removed.
2327 (ipa_param_adjustments::modify_call): Adjusted parameters.
2328 (class ipa_param_body_adjustments): Adjusted parameters of
2329 register_replacement, modify_gimple_stmt and modify_call_stmt.
2330 (ipa_verify_edge_has_no_modifications): Declare.
2331 (ipa_edge_modifications_finalize): Declare.
2332 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
2333 performed_splits processing, pas only edge to padjs->modify_call,
2334 check that call arguments were not modified if they should not have
2336 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
2338 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
2339 (ipa_edge_modification_info): Likewise.
2340 (ipa_edge_modification_sum): Likewise.
2341 (ipa_edge_modifications): New edge summary.
2342 (ipa_verify_edge_has_no_modifications): New function.
2343 (transitive_split_p): Removed.
2344 (transitive_split_map): Likewise.
2345 (init_transitive_splits): Likewise.
2346 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
2347 summary instead of performed_splits.
2348 (ipa_param_body_adjustments::register_replacement): Drop dummy
2349 parameter, set base_index of the created ipa_param_body_replacement.
2350 (phi_arg_will_live_p): New function.
2351 (ipa_param_body_adjustments::common_initialization): Do not create
2352 IPA_SRA dummy decls.
2353 (simple_tree_swap_info): Removed.
2354 (remap_split_decl_to_dummy): Likewise.
2355 (record_argument_state_1): New function.
2356 (record_argument_state): Likewise.
2357 (ipa_param_body_adjustments::modify_call_stmt): New parameter
2358 orig_stmt. Do not work with dummy decls, save necessary info about
2359 changes to ipa_edge_modifications.
2360 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
2361 orig_stmt, pass it to modify_call_stmt.
2362 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
2364 (ipa_edge_modifications_finalize): New function.
2365 * tree-inline.c (remap_gimple_stmt): Pass original statement to
2367 (copy_phis_for_bb): Do not copy dead PHI nodes.
2368 (expand_call_inline): Do not remap performed_splits.
2369 (update_clone_info): Likewise.
2370 * toplev.c: Include ipa-param-manipulation.h.
2371 (toplev::finalize): Call ipa_edge_modifications_finalize.
2373 2021-06-28 Andrew Pinski <apinski@marvell.com>
2375 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
2376 info if we're the only things setting the target PHI.
2377 (value_replacement): Don't duplicate range here.
2378 (minmax_replacement): Likewise.
2380 2021-06-28 Richard Biener <rguenther@suse.de>
2382 PR tree-optimization/101229
2383 * gimple-walk.c (gimple_walk_op): Handle PHIs.
2385 2021-06-28 Martin Liska <mliska@suse.cz>
2387 * config/v850/v850.c (construct_dispose_instruction): Allocate
2389 (construct_prepare_instruction): Likewise.
2391 2021-06-28 Martin Liska <mliska@suse.cz>
2393 * config/v850/v850.c (v850_option_override): Build default
2395 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
2396 ignored for inlining.
2397 (TARGET_CAN_INLINE_P): New.
2399 2021-06-28 Richard Biener <rguenther@suse.de>
2401 PR tree-optimization/101207
2402 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
2403 permute eliding for load permutations properly.
2405 2021-06-28 Richard Biener <rguenther@suse.de>
2407 PR tree-optimization/101173
2408 * gimple-loop-interchange.cc
2409 (tree_loop_interchange::valid_data_dependences): Disallow outer
2410 loop dependence distance of zero.
2412 2021-06-28 liuhongt <hongtao.liu@intel.com>
2415 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
2416 define_insn_and_split.
2417 (*avx_cmp<mode>3_ltint): Ditto.
2418 (*avx2_pcmp<mode>3_3): Ditto.
2419 (*avx2_pcmp<mode>3_4): Ditto.
2420 (*avx2_pcmp<mode>3_5): Ditto.
2422 2021-06-28 liuhongt <hongtao.liu@intel.com>
2424 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
2425 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
2426 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
2427 IX86_BUILTIN_PBLENDVB128): Replace icode with
2429 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
2431 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
2432 New pre_reload splitter.
2434 2021-06-27 Andrew Pinski <apinski@marvell.com>
2436 PR middle-end/101230
2437 * fold-const.c (fold_ternary_loc): Check
2438 the return value of invert_tree_comparison.
2440 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
2442 * config.gcc: Add SPDX License Identifier.
2443 (powerpc-ibm-aix789): Default to aix73.h.
2444 (powerpc-ibm-aix7.2.*.*): New stanza.
2445 * config/rs6000/aix72.h: Add SPDX License Identifier.
2446 * config/rs6000/aix73.h: New file.
2448 2021-06-26 Jason Merrill <jason@redhat.com>
2450 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
2452 2021-06-26 Andrew Pinski <apinski@marvell.com>
2454 * genmatch.c (lower_cond): Copy for_subst_vec
2455 for the simplify also.
2456 (lower): Swap the order for lower_for and lower_cond.
2458 2021-06-26 Andrew Pinski <apinski@marvell.com>
2460 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
2461 flow senatitive info on the moved ssa set.
2463 2021-06-26 Andrew Pinski <apinski@marvell.com>
2465 * fold-const.c (fold_cond_expr_with_comparison):
2466 Exand arg0 into comp_code, arg00, and arg01.
2467 (fold_ternary_loc): Use invert_tree_comparison
2468 instead of fold_invert_truthvalue for the case
2469 where we have A CMP B ? C : A.
2471 2021-06-25 Martin Sebor <msebor@redhat.com>
2473 PR middle-end/101216
2474 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
2476 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
2478 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
2480 2021-06-25 Richard Biener <rguenther@suse.de>
2482 PR tree-optimization/101202
2483 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
2486 2021-06-25 Richard Biener <rguenther@suse.de>
2488 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
2489 STMT_VINFO_REDUC_DEF from the original representative.
2491 2021-06-25 Martin Sebor <msebor@redhat.com>
2493 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
2494 gimple_no_warning_p and gimple_set_no_warning with
2495 warning_suppressed_p, and suppress_warning.
2497 (maybe_warn_for_bound): Same.
2498 (warn_for_access): Same.
2499 (check_access): Same.
2500 (expand_builtin_strncmp): Same.
2501 (fold_builtin_varargs): Same.
2502 * calls.c (maybe_warn_nonstring_arg): Same.
2503 (maybe_warn_rdwr_sizes): Same.
2504 * cfgexpand.c (expand_call_stmt): Same.
2505 * cgraphunit.c (check_global_declaration): Same.
2506 * fold-const.c (fold_undefer_overflow_warnings): Same.
2507 (fold_truth_not_expr): Same.
2508 (fold_unary_loc): Same.
2509 (fold_checksum_tree): Same.
2510 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
2511 (array_bounds_checker::check_mem_ref): Same.
2512 (array_bounds_checker::check_addr_expr): Same.
2513 (array_bounds_checker::check_array_bounds): Same.
2514 * gimple-expr.c (copy_var_decl): Same.
2515 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
2516 (gimple_fold_builtin_strncat): Same.
2517 (gimple_fold_builtin_stxcpy_chk): Same.
2518 (gimple_fold_builtin_stpcpy): Same.
2519 (gimple_fold_builtin_sprintf): Same.
2520 (fold_stmt_1): Same.
2521 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
2522 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
2523 * gimple-ssa-sprintf.c (handle_printf_call): Same.
2524 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
2525 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
2526 * gimple-ssa-warn-restrict.h: Adjust declarations.
2527 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
2528 gimple_no_warning_p and gimple_set_no_warning with
2529 warning_suppressed_p, and suppress_warning.
2531 (check_bounds_or_overlap): Same.
2532 * gimple.c (gimple_build_call_from_tree): Same.
2533 * gimplify.c (gimplify_return_expr): Same.
2534 (gimplify_cond_expr): Same.
2535 (gimplify_modify_expr_complex_part): Same.
2536 (gimplify_modify_expr): Same.
2537 (gimple_push_cleanup): Same.
2538 (gimplify_expr): Same.
2539 * omp-expand.c (expand_omp_for_generic): Same.
2540 (expand_omp_taskloop_for_outer): Same.
2541 * omp-low.c (lower_rec_input_clauses): Same.
2542 (lower_lastprivate_clauses): Same.
2543 (lower_send_clauses): Same.
2544 (lower_omp_target): Same.
2545 * tree-cfg.c (pass_warn_function_return::execute): Same.
2546 * tree-complex.c (create_one_component_var): Same.
2547 * tree-inline.c (remap_gimple_op_r): Same.
2548 (copy_tree_body_r): Same.
2549 (declare_return_variable): Same.
2550 (expand_call_inline): Same.
2551 * tree-nested.c (lookup_field_for_decl): Same.
2552 * tree-sra.c (create_access_replacement): Same.
2553 (generate_subtree_copies): Same.
2554 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
2555 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
2556 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
2557 * tree-ssa-loop-im.c (execute_sm): Same.
2558 * tree-ssa-phiopt.c (cond_store_replacement): Same.
2559 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
2560 (handle_builtin_strcpy): Same.
2561 (maybe_diag_stxncpy_trunc): Same.
2562 (handle_builtin_stxncpy_strncat): Same.
2563 (handle_builtin_strcat): Same.
2564 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
2565 (set_no_uninit_warning): Same.
2566 (uninit_undefined_value_p): Same.
2567 (warn_uninit): Same.
2568 (maybe_warn_operand): Same.
2569 * tree-vrp.c (compare_values_warnv): Same.
2570 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
2571 (test_for_singularity): Same.
2572 * gimple.h (warning_suppressed_p): New function.
2573 (suppress_warning): Same.
2574 (copy_no_warning): Same.
2575 (gimple_set_block): Call gimple_set_location.
2576 (gimple_set_location): Call copy_warning.
2578 2021-06-25 Martin Sebor <msebor@redhat.com>
2580 * tree.h (warning_suppressed_at, copy_warning,
2581 warning_suppressed_p, suppress_warning): New functions.
2583 2021-06-25 Martin Sebor <msebor@redhat.com>
2585 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
2586 * gengtype.c (open_base_files): Add diagnostic-spec.h.
2587 * diagnostic-spec.c: New file.
2588 * diagnostic-spec.h: New file.
2589 * tree.h (no_warning, all_warnings, suppress_warning_at): New
2591 * warning-control.cc: New file.
2593 2021-06-25 liuhongt <hongtao.liu@intel.com>
2596 * config/i386/i386.c (x86_order_regs_for_local_alloc):
2599 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2601 PR tree-optimization/101189
2602 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
2603 LHS range of condition to postfold routine.
2604 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
2605 FALSE edge if the LHS range supports it being taken.
2606 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
2608 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2610 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
2611 (relation_oracle::find_relation_block): Check correct bitmap.
2612 (relation_oracle::dump): Do not dump NULL blocks.
2614 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2616 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
2617 range_on_edge instead of manually calculating.
2619 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2621 * range-op.cc: Fix comment.
2623 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
2626 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
2627 Handle V8QI and V4HI modes.
2628 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
2630 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
2631 (mmxpackmode): New mode attribute.
2632 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
2633 (mmxunpackmode): New mode attribute.
2634 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
2635 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
2636 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
2637 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
2638 * config/i386/i386.md (extsuffix): Move from ...
2639 * config/i386/sse.md: ... here.
2641 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
2643 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
2644 (dwarf2out_finish): ...instead of here.
2646 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
2648 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
2649 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
2650 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
2651 * configure: Regenerate.
2653 2021-06-24 Richard Biener <rguenther@suse.de>
2655 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
2656 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
2657 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
2659 2021-06-24 Richard Biener <rguenther@suse.de>
2661 * config/i386/sse.md (avx_addsubv4df3): Rename to
2663 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
2664 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
2665 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
2666 * config/i386/i386-builtin.def: Adjust.
2667 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
2668 * optabs.def (vec_addsub_optab): New optab.
2669 * tree-vect-slp-patterns.c (class addsub_pattern): New.
2670 (slp_patterns): Add addsub_pattern.
2671 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
2672 across CFN_VEC_ADDSUB.
2673 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
2675 * doc/md.texi (vec_addsub<mode>3): Document.
2677 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2679 PR middle-end/101170
2680 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
2681 where regno + subreg_regno_offset wraps around use 0 as starting
2684 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2686 PR middle-end/101172
2687 * stor-layout.c (finish_bitfield_representative): If nextf has
2688 error_mark_node type, set repr type to error_mark_node too.
2690 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
2692 * config/s390/s390.c (s390_function_profiler): Ignore labelno
2694 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
2696 2021-06-24 Richard Biener <rguenther@suse.de>
2698 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
2699 across operations that have different semantics on different
2702 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2704 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
2705 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
2706 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
2707 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
2708 OMP_TARGET user outer_ctx instead of ctx for placeholders and
2709 initializer/combiner gimplification.
2710 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
2711 on target constructs.
2712 (lower_rec_input_clauses): Likewise.
2713 (lower_omp_target): Likewise.
2714 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
2715 on target if in_reduction is present.
2717 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
2719 * tree-predcom.c (class pcom_worker): New class.
2720 (release_chain): Renamed to...
2721 (pcom_worker::release_chain): ...this.
2722 (release_chains): Renamed to...
2723 (pcom_worker::release_chains): ...this.
2724 (aff_combination_dr_offset): Renamed to...
2725 (pcom_worker::aff_combination_dr_offset): ...this.
2726 (determine_offset): Renamed to...
2727 (pcom_worker::determine_offset): ...this.
2728 (class comp_ptrs): New class.
2729 (split_data_refs_to_components): Renamed to...
2730 (pcom_worker::split_data_refs_to_components): ...this,
2731 and update with class comp_ptrs.
2732 (suitable_component_p): Renamed to...
2733 (pcom_worker::suitable_component_p): ...this.
2734 (filter_suitable_components): Renamed to...
2735 (pcom_worker::filter_suitable_components): ...this.
2736 (valid_initializer_p): Renamed to...
2737 (pcom_worker::valid_initializer_p): ...this.
2738 (find_looparound_phi): Renamed to...
2739 (pcom_worker::find_looparound_phi): ...this.
2740 (add_looparound_copies): Renamed to...
2741 (pcom_worker::add_looparound_copies): ...this.
2742 (determine_roots_comp): Renamed to...
2743 (pcom_worker::determine_roots_comp): ...this.
2744 (determine_roots): Renamed to...
2745 (pcom_worker::determine_roots): ...this.
2746 (single_nonlooparound_use): Renamed to...
2747 (pcom_worker::single_nonlooparound_use): ...this.
2748 (remove_stmt): Renamed to...
2749 (pcom_worker::remove_stmt): ...this.
2750 (execute_pred_commoning_chain): Renamed to...
2751 (pcom_worker::execute_pred_commoning_chain): ...this.
2752 (execute_pred_commoning): Renamed to...
2753 (pcom_worker::execute_pred_commoning): ...this.
2754 (struct epcc_data): New member worker.
2755 (execute_pred_commoning_cbck): Call execute_pred_commoning
2756 with pcom_worker pointer.
2757 (find_use_stmt): Renamed to...
2758 (pcom_worker::find_use_stmt): ...this.
2759 (find_associative_operation_root): Renamed to...
2760 (pcom_worker::find_associative_operation_root): ...this.
2761 (find_common_use_stmt): Renamed to...
2762 (pcom_worker::find_common_use_stmt): ...this.
2763 (combinable_refs_p): Renamed to...
2764 (pcom_worker::combinable_refs_p): ...this.
2765 (reassociate_to_the_same_stmt): Renamed to...
2766 (pcom_worker::reassociate_to_the_same_stmt): ...this.
2767 (stmt_combining_refs): Renamed to...
2768 (pcom_worker::stmt_combining_refs): ...this.
2769 (combine_chains): Renamed to...
2770 (pcom_worker::combine_chains): ...this.
2771 (try_combine_chains): Renamed to...
2772 (pcom_worker::try_combine_chains): ...this.
2773 (prepare_initializers_chain): Renamed to...
2774 (pcom_worker::prepare_initializers_chain): ...this.
2775 (prepare_initializers): Renamed to...
2776 (pcom_worker::prepare_initializers): ...this.
2777 (prepare_finalizers_chain): Renamed to...
2778 (pcom_worker::prepare_finalizers_chain): ...this.
2779 (prepare_finalizers): Renamed to...
2780 (pcom_worker::prepare_finalizers): ...this.
2781 (tree_predictive_commoning_loop): Renamed to...
2782 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
2783 some calls and remove some cleanup code.
2784 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
2785 (static variable looparound_phis): Remove.
2786 (static variable name_expansions): Remove.
2788 2021-06-24 Richard Biener <rguenther@suse.de>
2790 * tree-vect-slp.c (slpg_vertex): New struct.
2791 (vect_slp_build_vertices): Adjust.
2792 (vect_optimize_slp): Likewise. Maintain an outgoing permute
2793 and a materialized one.
2795 2021-06-24 Richard Biener <rguenther@suse.de>
2797 PR tree-optimization/101105
2798 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
2799 Only ignore steps when they are equal or scalar order is preserved.
2801 2021-06-24 liuhongt <hongtao.liu@intel.com>
2804 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
2805 Adjust comments for ix86_expand_vecop_qihi2.
2806 (ix86_expand_vecmul_qihi): Renamed to ..
2807 (ix86_expand_vecop_qihi2): Adjust function prototype to
2808 support shift operation, add static to definition.
2809 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
2810 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
2811 ix86_expand_vec_shift_qihi_constant.
2812 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
2813 (ix86_expand_vec_shift_qihi_constant): Deleted.
2814 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
2816 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
2817 condition TARGET_64BIT.
2818 (mul<mode>3): Ditto.
2819 (<insn><mode>3): Ditto.
2820 (vlshr<mode>3): Extend to support avx512 vlshr.
2821 (v<insn><mode>3): New expander for
2823 (v<insn>v8qi3): Ditto.
2824 (vashrv8hi3<mask_name>): Renamed to ..
2825 (vashr<mode>3): And extend to support V16QImode for avx512.
2826 (vashrv16qi3): Deleted.
2827 (vashrv2di3<mask_name>): Extend expander to support avx512
2830 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
2832 * doc/lto.texi (Design Overview): Update that slim objects are
2835 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
2837 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
2838 of OTHER_POWER10_MASKS so it will not be enabled by default.
2840 2021-06-23 Richard Biener <rguenther@suse.de>
2841 Martin Jambor <mjambor@suse.cz>
2843 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
2844 param replacement unconditionally. Adjust comment.
2846 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2848 * Makefile.in (OBJS): Add gimple-range-fold.o
2849 * gimple-range-fold.cc: New.
2850 * gimple-range-fold.h: New.
2851 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
2852 (gimple_range_calc_op2): Ditto.
2853 * gimple-range-gori.h: Move prototypes to here.
2854 * gimple-range.cc: Adjust include files.
2855 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
2856 (fur_source::get_operand): Ditto.
2857 (fur_source::get_phi_operand): Ditto.
2858 (fur_source::query_relation): Ditto.
2859 (fur_source::register_relation): Ditto.
2860 (class fur_edge): Ditto.
2861 (fur_edge::fur_edge): Ditto.
2862 (fur_edge::get_operand): Ditto.
2863 (fur_edge::get_phi_operand): Ditto.
2864 (fur_stmt::fur_stmt): Ditto.
2865 (fur_stmt::get_operand): Ditto.
2866 (fur_stmt::get_phi_operand): Ditto.
2867 (fur_stmt::query_relation): Ditto.
2868 (class fur_depend): Relocate to gimple-range-fold.h.
2869 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
2870 (fur_depend::register_relation): Ditto.
2871 (fur_depend::register_relation): Ditto.
2872 (class fur_list): Ditto.
2873 (fur_list::fur_list): Ditto.
2874 (fur_list::get_operand): Ditto.
2875 (fur_list::get_phi_operand): Ditto.
2876 (fold_range): Ditto.
2877 (adjust_pointer_diff_expr): Ditto.
2878 (gimple_range_adjustment): Ditto.
2879 (gimple_range_base_of_assignment): Ditto.
2880 (gimple_range_operand1): Ditto.
2881 (gimple_range_operand2): Ditto.
2882 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
2883 (gimple_range_calc_op2): Ditto.
2884 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
2885 (fold_using_range::range_of_range_op): Ditto.
2886 (fold_using_range::range_of_address): Ditto.
2887 (fold_using_range::range_of_phi): Ditto.
2888 (fold_using_range::range_of_call): Ditto.
2889 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
2890 (fold_using_range::range_of_builtin_call): Ditto.
2891 (fold_using_range::range_of_cond_expr): Ditto.
2892 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
2893 (fold_using_range::relation_fold_and_or): Ditto.
2894 (fold_using_range::postfold_gcond_edges): Ditto.
2895 * gimple-range.h: Add gimple-range-fold.h to include files. Change
2896 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
2897 (gimple_range_handler): Relocate to gimple-range-fold.h.
2898 (gimple_range_ssa_p): Ditto.
2899 (range_compatible_p): Ditto.
2900 (class fur_source): Ditto.
2901 (class fur_stmt): Ditto.
2902 (class fold_using_range): Ditto.
2903 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
2904 (gimple_range_calc_op2): Ditto.
2906 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2908 PR tree-optimization/101148
2909 PR tree-optimization/101014
2910 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
2911 (ranger_cache::~ranger_cache): Adjust.
2912 (ranger_cache::block_range): Check if propagation disallowed.
2913 (ranger_cache::propagate_cache): Disallow propagation if new value
2914 can't be stored properly.
2915 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
2917 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2919 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
2920 (sbr_vector::set_bb_range): Return true.
2921 (class sbr_sparse_bitmap): Adjust.
2922 (sbr_sparse_bitmap::set_bb_range): Return value.
2923 (block_range_cache::set_bb_range): Return value.
2924 (ranger_cache::propagate_cache): Use return value to print msg.
2925 * gimple-range-cache.h (class block_range_cache): Adjust.
2927 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2929 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
2931 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
2933 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
2934 so this pattern can be used for test/compare removal. Pass
2935 current insn to compute_logical_op_length and output_logical_op.
2936 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
2937 (h8300_and_costs): Add argument to compute_logical_op_length.
2938 (output_logical_op): Add new argument. Use it to determine if the
2939 condition codes are used and adjust the output accordingly.
2940 (compute_logical_op_length): Add new argument and update length
2941 computations when condition codes are used.
2942 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
2944 (output_logical_op): Likewise.
2946 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
2949 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
2950 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
2951 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
2952 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
2953 * config/i386/sse.md (unspec): ... here.
2955 2021-06-23 Martin Liska <mliska@suse.cz>
2958 * optc-save-gen.awk: Put back arm_fp16_format to
2961 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
2964 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
2967 (clz<mode>2): Update RTX pattern for additions.
2969 2021-06-23 Jakub Jelinek <jakub@redhat.com>
2971 PR middle-end/101167
2972 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
2973 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
2975 2021-06-22 Sergei Trofimovich <siarheit@google.com>
2977 * doc/rtl.texi: drop unbalanced parenthesis.
2979 2021-06-22 Richard Biener <rguenther@suse.de>
2981 PR middle-end/101156
2982 * gimplify.c (gimplify_expr): Remove premature incorrect
2985 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2987 PR tree-optimization/101159
2988 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
2991 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2993 PR middle-end/101160
2994 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
2995 clear crtl->return_rtx instead of keeping it referencing a pseudo.
2997 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2998 Andrew Pinski <apinski@marvell.com>
3000 PR tree-optimization/101162
3001 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
3004 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
3006 * range-op.cc (range_relational_tests): New.
3007 (range_op_tests): Call range_relational_tests.
3009 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
3011 * range-op.cc (operator_cast::lhs_op1_relation): New.
3012 (operator_identity::lhs_op1_relation): Mew.
3014 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
3016 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
3018 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
3020 * range-op.cc (operator_plus::lhs_op1_relation): New.
3021 (operator_plus::lhs_op2_relation): New.
3023 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
3025 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
3026 relation_oracle if dominators exist.
3027 (ranger_cache::~ranger_cache): Dispose of oracle.
3028 (ranger_cache::dump_bb): Dump oracle.
3029 * gimple-range.cc (fur_source::fur_source): New.
3030 (fur_source::get_operand): Use mmeber query.
3031 (fur_source::get_phi_operand): Use member_query.
3032 (fur_source::query_relation): New.
3033 (fur_source::register_dependency): Delete.
3034 (fur_source::register_relation): New.
3035 (fur_edge::fur_edge): Adjust.
3036 (fur_edge::get_phi_operand): Fix comment.
3037 (fur_edge::query): Delete.
3038 (fur_stmt::fur_stmt): Adjust.
3039 (fur_stmt::query): Delete.
3040 (fur_depend::fur_depend): Adjust.
3041 (fur_depend::register_relation): New.
3042 (fur_depend::register_relation): New.
3043 (fur_list::fur_list): Adjust.
3044 (fur_list::get_operand): Use member query.
3045 (fold_using_range::range_of_range_op): Process and query relations.
3046 (fold_using_range::range_of_address): Adjust dependency call.
3047 (fold_using_range::range_of_phi): Ditto.
3048 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
3049 (fold_using_range::relation_fold_and_or): New.
3050 (fold_using_range::postfold_gcond_edges): New.
3051 * gimple-range.h (class gimple_ranger): Adjust.
3052 (class fur_source): Adjust members.
3053 (class fur_stmt): Ditto.
3054 (class fold_using_range): Ditto.
3056 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
3058 * range-op.cc (range_operator::wi_fold): Apply relation effect.
3059 (range_operator::fold_range): Adjust and apply relation effect.
3060 (*::fold_range): Add relation parameters.
3061 (*::op1_range): Ditto.
3062 (*::op2_range): Ditto.
3063 (range_operator::lhs_op1_relation): New.
3064 (range_operator::lhs_op2_relation): New.
3065 (range_operator::op1_op2_relation): New.
3066 (range_operator::op1_op2_relation_effect): New.
3067 (relop_early_resolve): New.
3068 (operator_equal::op1_op2_relation): New.
3069 (operator_equal::fold_range): Call relop_early_resolve.
3070 (operator_not_equal::op1_op2_relation): New.
3071 (operator_not_equal::fold_range): Call relop_early_resolve.
3072 (operator_lt::op1_op2_relation): New.
3073 (operator_lt::fold_range): Call relop_early_resolve.
3074 (operator_le::op1_op2_relation): New.
3075 (operator_le::fold_range): Call relop_early_resolve.
3076 (operator_gt::op1_op2_relation): New.
3077 (operator_gt::fold_range): Call relop_early_resolve.
3078 (operator_ge::op1_op2_relation): New.
3079 (operator_ge::fold_range): Call relop_early_resolve.
3080 * range-op.h (class range_operator): Adjust parameters and methods.
3082 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
3084 * Makefile.in (OBJS): Add value-relation.o.
3085 * gimple-range.h: Adjust include files.
3086 * tree-data-ref.c: Adjust include file order.
3087 * value-query.cc (range_query::get_value_range): Default to no oracle.
3088 (range_query::query_relation): New.
3089 (range_query::query_relation): New.
3090 * value-query.h (class range_query): Adjust.
3091 * value-relation.cc: New.
3092 * value-relation.h: New.
3094 2021-06-22 Richard Biener <rguenther@suse.de>
3096 PR tree-optimization/101151
3097 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
3100 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
3102 * config/riscv/riscv.c (thead_c906_tune_info): New.
3103 (riscv_tune_info_table): Use new tune.
3105 2021-06-22 Richard Biener <rguenther@suse.de>
3107 PR tree-optimization/101158
3108 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
3109 checking after checking for matching operation.
3111 2021-06-22 Richard Biener <rguenther@suse.de>
3113 PR tree-optimization/101159
3114 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
3115 missing NULL vectype check.
3117 2021-06-22 Richard Biener <rguenther@suse.de>
3119 PR tree-optimization/101154
3120 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
3122 2021-06-22 Jakub Jelinek <jakub@redhat.com>
3125 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
3126 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
3127 * config/i386/i386.c (ix86_expand_prologue): Clear it.
3128 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
3129 Remove "" from match_operand. Emit new insns using emit_move_insn and
3130 set ix86_last_zero_store_uid to INSN_UID of the last store.
3131 Add peephole2s for 1/2/4 stores of const0_rtx following previous
3134 2021-06-22 Martin Liska <mliska@suse.cz>
3136 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
3139 2021-06-22 Martin Liska <mliska@suse.cz>
3141 * gcov-io.h: Remove padding entries.
3143 2021-06-22 liuhongt <hongtao.liu@intel.com>
3145 PR tree-optimization/97770
3146 * tree-vect-patterns.c (vect_recog_popcount_pattern):
3148 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
3150 2021-06-22 liuhongt <hongtao.liu@intel.com>
3153 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
3154 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
3155 (expand<mode>_mask): this ..
3156 (*expand<mode>_mask): New pre_reload splitter to transform
3157 v{,p}expand* to vmov* when mask is zero, all ones, or has all
3158 ones in it's lower part, otherwise still generate
3161 2021-06-22 liuhongt <hongtao.liu@intel.com>
3164 * config/i386/i386-expand.c
3165 (ix86_expand_special_args_builtin): Keep constm1_operand only
3166 if it satisfies insn's operand predicate.
3168 2021-06-21 Jason Merrill <jason@redhat.com>
3171 * df-scan.c (df_ref_record): Check that regno < endregno.
3172 * function.c (assign_parms, expand_function_end): Do nothing with a
3173 TYPE_EMPTY_P result.
3175 2021-06-21 Richard Biener <rguenther@suse.de>
3177 PR tree-optimization/101120
3178 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
3180 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
3181 DR chain DCE capability.
3182 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
3183 * tree-vect-stmts.c (vectorizable_load): Remove unused
3184 loads in the DR chain for SLP.
3186 2021-06-21 Jakub Jelinek <jakub@redhat.com>
3188 PR inline-asm/100785
3189 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
3190 output or input operands were already error_mark_node.
3191 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
3192 remove all inputs, outputs and clobbers from the asm and
3195 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
3197 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
3198 (vceq_s16): Likewise.
3199 (vceq_s32): Likewise.
3200 (vceq_u8): Likewise.
3201 (vceq_u16): Likewise.
3202 (vceq_u32): Likewise.
3203 (vceq_p8): Likewise.
3204 (vceqq_s8): Likewise.
3205 (vceqq_s16): Likewise.
3206 (vceqq_s32): Likewise.
3207 (vceqq_u8): Likewise.
3208 (vceqq_u16): Likewise.
3209 (vceqq_u32): Likewise.
3210 (vceqq_p8): Likewise.
3211 (vceq_f32): Gate __a == __b on __FAST_MATH__.
3212 (vceqq_f32): Likewise.
3213 (vceq_f16): Likewise.
3214 (vceqq_f16): Likewise.
3216 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
3219 * config/arm/iterators.md (NEON_VACMP): Remove.
3220 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
3222 (neon_vca<cmp_op><mode>_insn): Likewise.
3223 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
3226 2021-06-21 Richard Biener <rguenther@suse.de>
3228 PR tree-optimization/101121
3229 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
3230 when we just lack a stmt with the desired op when doing permutation.
3231 (vect_build_slp_tree): When caching a failed SLP build attempt
3232 assert that at least one lane is marked as not matching.
3234 2021-06-21 liuhongt <hongtao.liu@intel.com>
3237 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
3238 register alternative.
3239 (*and<mode>_1): Ditto.
3241 (*andn<mode>_1): Ditto.
3242 (*<code><mode>_1): Ditto.
3243 (*<code>qi_1): Ditto.
3244 (*one_cmpl<mode>2_1): Ditto.
3245 (*one_cmplsi2_1_zext): Ditto.
3246 (*one_cmplqi2_1): Ditto.
3247 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
3248 the order of mask registers to be before general registers.
3250 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
3253 * config/i386/i386.md: New define_peephole2s to shrink writing
3254 1, 2 or 4 consecutive zeros to memory when optimizing for size.
3256 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
3258 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
3259 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
3260 more efficient code when the source can be trivially simplified.
3262 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
3264 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
3265 a range if global is not available.
3266 (ranger_cache::entry_range): Fallback to range_of_def.
3267 * gimple-range-cache.h (range_of_def): Adjust prototype.
3269 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
3271 PR tree-optimization/101014
3272 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
3274 (ranger_cache::~ranger_cache): Ditto.
3275 (ranger_cache::enable_new_values): Delete.
3276 (ranger_cache::push_poor_value): Delete.
3277 (ranger_cache::range_of_def): Remove poor value processing.
3278 (ranger_cache::entry_range): Ditto.
3279 (ranger_cache::fill_block_cache): Ditto.
3280 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
3281 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
3282 * gimple-range.h (class gimple_ranger): Adjust.
3284 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
3287 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
3288 derived from arm_canon_arch.
3289 (arm_canon_arch_option): Call it.
3290 (arm_canon_arch_multilib_option): New function.
3291 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
3292 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
3293 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
3294 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
3295 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
3296 * config/arm/arm.opt (mlibarch): New option.
3297 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
3298 of march on RHS with mlibarch.
3300 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
3302 * config.in: Regenerate.
3303 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
3305 * configure: Regenerate.
3306 * configure.ac: Fix for global_load assembler functions.
3308 2021-06-18 Richard Biener <rguenther@suse.de>
3310 PR tree-optimization/101112
3311 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
3312 to lookup a pattern stmt def.
3314 2021-06-18 Jakub Jelinek <jakub@redhat.com>
3316 PR middle-end/101062
3317 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
3318 representatives in QUAL_UNION_TYPE.
3320 2021-06-18 Andrew Pinski <apinski@marvell.com>
3322 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
3323 Add counting of how many times it is done.
3324 (factor_out_conditional_conversion): Likewise.
3325 (match_simplify_replacement): Likewise.
3326 (value_replacement): Likewise.
3327 (spaceship_replacement): Likewise.
3328 (cond_store_replacement): Likewise.
3329 (cond_if_else_store_replacement_1): Likewise.
3330 (hoist_adjacent_loads): Likewise.
3332 2021-06-18 Andrew Pinski <apinski@marvell.com>
3334 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
3335 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
3336 (verify_gimple_assign_binary): Reject point and offset types on
3337 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
3338 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
3339 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
3341 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
3343 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
3344 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
3345 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
3348 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
3350 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
3351 earlyclobber to alts 0/1.
3352 (gen_addadd): Add earlyclobber to alts 0/1.
3353 * config/rs6000/fusion.md: Regenerate file.
3355 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3357 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
3359 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
3361 * gimple-range-cache.cc: Comment cleanups.
3362 * gimple-range-gori.cc: Comment cleanups.
3363 * gimple-range.cc: Comment/spacing cleanups
3364 * value-range.h: Comment cleanups.
3366 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
3369 * calls.c (expand_call): Replace PUSH_ARGS with
3370 targetm.calls.push_argument (0).
3371 (emit_library_call_value_1): Likewise.
3372 * defaults.h (PUSH_ARGS): Removed.
3373 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
3374 targetm.calls.push_argument (0).
3375 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3376 (emit_push_insn): Pass the number bytes to push to
3377 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
3378 * hooks.c (hook_bool_uint_true): New.
3379 * hooks.h (hook_bool_uint_true): Likewise.
3380 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
3381 targetm.calls.push_argument (0).
3382 * target.def (push_argument): Add a targetm.calls hook.
3383 * targhooks.c (default_push_argument): New.
3384 * targhooks.h (default_push_argument): Likewise.
3385 * config/bpf/bpf.h (PUSH_ARGS): Removed.
3386 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
3387 * config/cr16/cr16.h (PUSH_ARGS): Removed.
3388 * config/i386/i386.c (ix86_push_argument): New.
3389 (TARGET_PUSH_ARGUMENT): Likewise.
3390 * config/i386/i386.h (PUSH_ARGS): Removed.
3391 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
3392 * config/m32c/m32c.h (PUSH_ARGS): Removed.
3393 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
3394 * config/pru/pru.h (PUSH_ARGS): Likewise.
3395 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
3396 TARGET_PUSH_ARGUMENT hook.
3397 * doc/tm.texi: Regenerated.
3399 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
3402 * config/i386/i386-expand.c (expand_vector_set_var):
3403 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
3404 ix86_expand_vector_init_duplicate.
3405 (ix86_expand_vector_init_duplicate): Emit insv_1 for
3406 QImode for !TARGET_PARTIAL_REG_STALL.
3407 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
3408 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
3409 as operand 2 predicate. Call ix86_expand_vector_set_var
3410 for non-constant index operand.
3411 (vec_setv2si): Ditto.
3412 (vec_setv4hi): Ditto.
3413 (vec_setv8qi): ditto.
3415 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
3417 PR tree-optimization/100790
3418 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
3421 2021-06-17 Martin Liska <mliska@suse.cz>
3423 * doc/invoke.texi: Use consistently -O1 instead of -O.
3425 2021-06-17 Martin Liska <mliska@suse.cz>
3427 * gcov-io.h: Update documentation entry about string format.
3429 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
3432 * config/s390/vecintrin.h (vec_doublee): Fix to use
3433 __builtin_s390_vflls.
3434 (vec_floate): Fix to use __builtin_s390_vflrd.
3436 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3438 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
3439 * dominance.h (get_dominated_to_depth): Likewise.
3440 (get_all_dominated_blocks): Likewise.
3441 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
3442 * gcse.c (hoist_code): Likewise.
3443 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
3444 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
3445 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
3446 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
3448 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3450 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
3451 * dominance.h (get_dominated_by_region): Likewise.
3452 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
3453 (gimple_duplicate_sese_tail): Likewise.
3454 (move_sese_region_to_fn): Likewise.
3456 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3458 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
3459 * dominance.h (get_dominated_by): Likewise.
3460 * auto-profile.c (afdo_find_equiv_class): Adjust.
3461 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
3462 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
3463 * tree-cfg.c (test_linear_chain): Likewise.
3464 (test_diamond): Likewise.
3466 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3468 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
3469 * cfgloopanal.c (get_loop_hot_path): Likewise.
3470 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
3472 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3474 * cgraph.c (cgraph_node::collect_callers): Return
3475 auto_vec<cgraph_edge *>.
3476 * cgraph.h (cgraph_node::collect_callers): Likewise.
3477 * ipa-cp.c (create_specialized_node): Adjust.
3478 (decide_about_value): Likewise.
3479 (decide_whether_version_node): Likewise.
3480 * ipa-sra.c (process_isra_node_results): Likewise.
3482 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3484 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
3485 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
3487 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
3490 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
3492 * gimple-range.cc (debug_seed_ranger): New.
3494 (debug_ranger): New.
3496 2021-06-17 Richard Biener <rguenther@suse.de>
3498 PR tree-optimization/54400
3499 * tree-vectorizer.h (enum slp_instance_kind): Add
3500 slp_inst_kind_bb_reduc.
3501 (reduction_fn_for_scalar_code): Declare.
3502 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
3503 Check SLP_INSTANCE_KIND instead of looking at the
3505 (vect_slp_analyze_instance_alignment): Likewise.
3506 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
3507 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
3508 chain linearization from vect_build_slp_tree_2 and generalize
3509 for the use of BB reduction vectorization.
3510 (vect_build_slp_tree_2): Adjust accordingly.
3511 (vect_optimize_slp): Elide permutes at the root of BB reduction
3513 (vectorizable_bb_reduc_epilogue): New function.
3514 (vect_slp_prune_covered_roots): Likewise.
3515 (vect_slp_analyze_operations): Use them.
3516 (vect_slp_check_for_constructors): Recognize associatable
3517 chains for BB reduction vectorization.
3518 (vectorize_slp_instance_root_stmt): Generate code for the
3519 BB reduction epilogue.
3521 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
3523 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
3525 (gori_compute::may_recompute_p): New.
3526 (gori_compute::outgoing_edge_range_p): Perform recomputations.
3527 * gimple-range-gori.h (class gori_compute): Add prototype.
3529 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
3531 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
3532 true when a range can be calculated.
3533 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
3535 2021-06-16 Martin Sebor <msebor@redhat.com>
3537 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
3538 Correct documented defaults.
3540 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
3542 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
3543 m_new_value_p directly.
3545 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
3548 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
3549 Handle 64bit modes for TARGET_SSE4_1.
3550 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
3551 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
3552 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
3553 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
3554 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
3555 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
3557 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3559 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
3560 Change to an expander that emits the correct instruction
3561 depending on endianness.
3562 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
3563 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
3565 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3567 * config/aarch64/aarch64-simd-builtins.def: Split generator
3568 for aarch64_<su>qmovn builtins into scalar and vector
3570 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
3572 (aarch64_<su>qmovn<mode>_insn_be): Define.
3573 (aarch64_<su>qmovn<mode>): Split into scalar and vector
3574 variants. Change vector variant to an expander that emits the
3575 correct instruction depending on endianness.
3577 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3579 * config/aarch64/aarch64-simd-builtins.def: Split generator
3580 for aarch64_sqmovun builtins into scalar and vector variants.
3581 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
3582 Split into scalar and vector variants. Change vector variant
3583 to an expander that emits the correct instruction depending
3585 (aarch64_sqmovun<mode>_insn_le): Define.
3586 (aarch64_sqmovun<mode>_insn_be): Define.
3588 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3590 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
3591 Define - modeling zero-high-half semantics.
3592 (aarch64_xtn<mode>): Change to an expander that emits the
3593 appropriate instruction depending on endianness.
3594 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
3596 (aarch64_xtn2<mode>_le): Rename to...
3597 (aarch64_xtn2<mode>_insn_le): This.
3598 (aarch64_xtn2<mode>_be): Rename to...
3599 (aarch64_xtn2<mode>_insn_be): This.
3600 (vec_pack_trunc_<mode>): Emit truncation instruction instead
3602 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
3605 2021-06-16 Martin Jambor <mjambor@suse.cz>
3607 PR tree-optimization/100453
3608 * tree-sra.c (create_access): Disqualify any const candidates
3609 which are written to.
3610 (sra_modify_expr): Do not store sub-replacements back to a const base.
3611 (handle_unscalarized_data_in_subtree): Likewise.
3612 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
3613 instead of constant_decl_p.
3615 2021-06-16 Jakub Jelinek <jakub@redhat.com>
3617 PR middle-end/101062
3618 * stor-layout.c (finish_bitfield_representative): For fields in unions
3619 assume nextf is always NULL.
3620 (finish_bitfield_layout): Compute bit field representatives also in
3621 unions, but handle it as if each bitfield was the only field in the
3624 2021-06-16 Richard Biener <rguenther@suse.de>
3626 PR tree-optimization/101088
3627 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
3628 supported refs on edges. Do not assert same ref but
3629 different kind stores are unsuported but mark them so.
3630 (hoist_memory_references): Only look for supported refs
3633 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
3635 PR rtl-optimization/46235
3636 * config/i386/i386.md: New define_split for bt followed by cmov.
3637 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
3638 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
3639 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
3640 by setnc with zero extension.
3642 2021-06-16 Richard Biener <rguenther@suse.de>
3644 PR tree-optimization/101083
3645 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
3646 vectype as argument.
3647 (vect_build_slp_tree_2): Adjust.
3649 2021-06-15 Martin Sebor <msebor@redhat.com>
3651 PR middle-end/100876
3652 * builtins.c: (gimple_call_return_array): Account for size_t
3653 mangling as either unsigned int or unsigned long
3655 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
3657 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
3658 up before eliminating comparisons.
3660 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
3662 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
3663 nonzero|X is nonzero.
3664 (range_op_bitwise_and_tests): Add tests for above.
3666 2021-06-15 Carl Love <cel@us.ibm.com>
3669 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
3671 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
3674 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
3677 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
3678 (struct gimplify_omp_ctx): Extend defaultmap array by one.
3679 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
3680 (omp_notice_variable): Update type classification for Fortran.
3681 (gimplify_scan_omp_clauses): Update calls for new argument; handle
3682 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
3683 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
3684 * langhooks.c (lhd_omp_scalar_p): Likewise.
3685 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
3686 (LANG_HOOKS_DECLS): Add them.
3687 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
3688 omp_scalar_p pointer type to include the new bool argument.
3690 2021-06-15 David Malcolm <dmalcolm@redhat.com>
3693 (Special Functions for Debugging the Analyzer): Add
3694 __analyzer_dump_capacity.
3696 2021-06-15 Jakub Jelinek <jakub@redhat.com>
3699 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
3700 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
3702 2021-06-15 Richard Biener <rguenther@suse.de>
3704 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
3705 check to identify loop latches.
3706 * cfgloop.c (verify_loop_structure): Likewise.
3707 * loop-init.c (apply_loop_flags): Allow marked irreducible
3708 regions even with multiple latches.
3709 * predict.c (rebuild_frequencies): Simplify.
3711 2021-06-15 Richard Biener <rguenther@suse.de>
3713 * tree-ssa-threadupdate.c
3714 (jump_thread_path_registry::mark_threaded_blocks): Assert we
3715 have marked irreducible regions.
3717 2021-06-14 Martin Sebor <msebor@redhat.com>
3720 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
3721 Handle calls to placement new.
3722 (ndecl_dealloc_argno): Avoid placement delete.
3724 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
3727 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
3728 create_tmp_reg_or_ssa_name().
3730 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
3732 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
3733 (ranger_cache::enable_new_values): Set to specified value and
3734 return the old value.
3735 (ranger_cache::disable_new_values): Delete.
3736 (ranger_cache::fill_block_cache): Disable non 1st order derived
3738 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
3739 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
3741 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
3744 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
3745 Return true early when testing with V2HImode.
3746 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
3748 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
3750 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
3751 (mve_vec_unpack<US>_hi_<mode>): New pattern.
3752 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
3753 (mve_vmovntq_<supf><mode>): Prefix with '@'.
3754 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
3756 (vec_unpack<US>_lo_<mode>): Likewise.
3757 (vec_pack_trunc_<mode>): Rename to
3758 neon_quad_vec_pack_trunc_<mode>.
3759 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
3761 (vec_unpack<US>_lo_<mode>): New.
3762 (vec_pack_trunc_<mode>): New.
3764 2021-06-14 Richard Biener <rguenther@suse.de>
3766 PR tree-optimization/100934
3767 * tree-ssa-dom.c (pass_dominator::execute): Properly
3768 mark irreducible regions.
3770 2021-06-14 Martin Liska <mliska@suse.cz>
3772 * doc/invoke.texi: Put r{...} on the same line as @item.
3774 2021-06-14 Martin Liska <mliska@suse.cz>
3776 * doc/invoke.texi: Add missing newline.
3778 2021-06-14 Martin Liska <mliska@suse.cz>
3780 * doc/invoke.texi: Remove '+' charasters.
3782 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
3784 * config.gcc (arc): Add support for with_cpu option.
3785 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
3787 2021-06-14 Richard Biener <rguenther@suse.de>
3789 PR tree-optimization/101031
3790 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
3791 instead of size when accounting for a possibly string
3794 2021-06-14 Martin Liska <mliska@suse.cz>
3796 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
3798 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
3800 * value-query.cc (gimple_range_global): Call get_range_global
3801 if called after inlining.
3803 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
3806 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
3807 Emit constant permutation insn directly from here.
3809 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
3811 * attribs.c (find_attribute_namespace): Iterate over vec<> with
3813 * auto-profile.c (afdo_find_equiv_class): Likewise.
3814 * gcc.c (do_specs_vec): Likewise.
3815 (do_spec_1): Likewise.
3816 (driver::set_up_specs): Likewise.
3817 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
3818 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
3819 (imm_store_chain_info::try_coalesce_bswap): Likewise.
3820 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
3821 (get_location_for_stmts): Likewise.
3822 * graphite-poly.c (print_iteration_domains): Likewise.
3823 (free_poly_bb): Likewise.
3824 (remove_gbbs_in_scop): Likewise.
3825 (free_scop): Likewise.
3826 (dump_gbb_cases): Likewise.
3827 (dump_gbb_conditions): Likewise.
3828 (print_pdrs): Likewise.
3829 (print_scop): Likewise.
3830 * ifcvt.c (cond_move_process_if_block): Likewise.
3831 * lower-subreg.c (decompose_multiword_subregs): Likewise.
3832 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
3833 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
3834 * sel-sched-dump.c (dump_insn_vector): Likewise.
3835 * store-motion.c (store_ops_ok): Likewise.
3836 (store_killed_in_insn): Likewise.
3837 * timevar.c (timer::named_items::print): Likewise.
3838 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
3839 (cleanup_tree_cfg_noloop): Likewise.
3840 * tree-data-ref.c (dump_data_references): Likewise.
3841 (print_dir_vectors): Likewise.
3842 (print_dist_vectors): Likewise.
3843 (dump_data_dependence_relations): Likewise.
3844 (dump_dist_dir_vectors): Likewise.
3845 (dump_ddrs): Likewise.
3846 (create_runtime_alias_checks): Likewise.
3847 (free_subscripts): Likewise.
3848 (save_dist_v): Likewise.
3849 (save_dir_v): Likewise.
3850 (invariant_access_functions): Likewise.
3851 (same_access_functions): Likewise.
3852 (access_functions_are_affine_or_constant_p): Likewise.
3853 (find_data_references_in_stmt): Likewise.
3854 (graphite_find_data_references_in_stmt): Likewise.
3855 (free_dependence_relations): Likewise.
3856 (free_data_refs): Likewise.
3857 * tree-inline.c (copy_debug_stmts): Likewise.
3858 * tree-into-ssa.c (dump_currdefs): Likewise.
3859 (rewrite_update_phi_arguments): Likewise.
3860 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
3861 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
3863 (vect_slp_analyze_node_dependences): Likewise.
3864 (vect_slp_analyze_instance_dependence): Likewise.
3865 (vect_record_base_alignments): Likewise.
3866 (vect_get_peeling_costs_all_drs): Likewise.
3867 (vect_peeling_supportable): Likewise.
3868 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
3869 (vec_info::free_stmt_vec_infos): Likewise.
3871 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
3873 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
3874 (andqi3_1<cczn>): Removed.
3875 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
3876 (H8/SX bit logicals): Split out from other patterns.
3877 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
3878 mulqihi3_const_clobber_flags.
3879 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
3881 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
3884 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
3885 to true if red zone is used.
3886 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
3888 * config/i386/i386.h (machine_function): Add red_zone_used.
3889 (ix86_red_zone_size): Removed.
3890 (ix86_red_zone_used): New.
3891 * config/i386/i386.md (peephole2 patterns): Replace
3892 ix86_red_zone_size with ix86_red_zone_used.
3894 2021-06-12 Jason Merrill <jason@redhat.com>
3896 * doc/extend.texi (unused variable attribute): Applies to
3897 structure fields as well.
3899 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
3901 * auto-profile.c (read_profile): fix a typo in an error string
3903 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
3905 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
3907 * tree-pretty-print.c (dump_omp_clauses): Update.
3908 (dump_generic_node) <OMP_CLAUSE>: Use it.
3910 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
3913 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
3914 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
3915 the polymorphic variants matching code.
3916 (__arm_vld1q_z): Likewise.
3917 (__arm_vld2q): Likewise.
3918 (__arm_vld4q): Likewise.
3919 (__arm_vldrbq_gather_offset): Likewise.
3920 (__arm_vldrbq_gather_offset_z): Likewise.
3922 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
3924 PR tree-optimization/96392
3925 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
3927 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
3929 PR tree-optimization/96392
3930 * fold-const.c (fold_real_zero_addition_p): Take both arguments
3931 of the addition or subtraction, not just the zero. Use this
3932 other argument in tests for signaling NaNs and signed zeros.
3933 (tree_expr_maybe_real_minus_zero_p): New predicate.
3934 * fold-const.h (fold_real_zero_addition_p): Update prototype.
3935 (tree_expr_maybe_real_minus_zero_p): New function prototype.
3936 * match.pd: Update calls to fold_real_zero_addition_p.
3937 Replace HONOR_NANS with tree_expr_maybe_nan_p.
3938 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
3939 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
3940 * tree-ssa-reassoc.c (eliminate_using_constants): Update
3941 call to fold_real_zero_addition_p.
3943 2021-06-11 Richard Biener <rguenther@suse.de>
3945 PR tree-optimization/101025
3946 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
3947 all refs that require dependence checking.
3949 2021-06-11 Richard Biener <rguenther@suse.de>
3951 PR tree-optimization/101028
3952 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
3953 reassoc discovery fails fatally, mark appropriate lanes
3956 2021-06-11 Richard Biener <rguenther@suse.de>
3958 PR tree-optimization/101026
3959 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
3960 have a representative for the associated chain nodes.
3962 2021-06-11 Jakub Jelinek <jakub@redhat.com>
3964 PR rtl-optimization/101008
3965 * simplify-rtx.c (relational_result): New function.
3966 (simplify_logical_relational_operation,
3967 simplify_relational_operation): Use it.
3969 2021-06-11 Jakub Jelinek <jakub@redhat.com>
3972 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
3974 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
3977 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
3978 false if the permutation can be implemented with constant
3979 permutation instruction in wider mode.
3980 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
3981 Handle V8QImode and V4HImode.
3983 2021-06-11 Martin Liska <mliska@suse.cz>
3985 PR gcov-profile/100788
3986 * common.opt: Add new option.
3987 * coverage.c (coverage_begin_function): Emit warning instead on
3988 the internal compiler error.
3989 * doc/invoke.texi: Document the option.
3990 * toplev.c (process_options): Enable it by default.
3992 2021-06-11 Richard Biener <rguenther@suse.de>
3994 PR middle-end/101009
3995 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
3996 to set *init_b to true when we encounter a constant equal
3998 (compute_affine_dependence): Also dump the actual DR_REF.
4000 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
4002 PR tree-optimization/100984
4003 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
4005 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
4007 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
4009 * config/rs6000/rs6000.md
4010 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
4011 define_insn_and_split.
4013 2021-06-11 Richard Biener <rguenther@suse.de>
4015 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
4016 to sort operands of the associative chain.
4018 2021-06-11 Richard Biener <rguenther@suse.de>
4020 * system.h (gcc_stablesort_r): Declare.
4021 * sort.cc (gcc_sort_r): Support stable sort.
4022 (gcc_stablesort_r): Define.
4023 * vec.h (vec<>::stablesort): Add.
4025 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
4028 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
4029 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
4030 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
4031 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
4032 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
4033 (expand_vec_perm_interleave2): Handle 64bit modes.
4034 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
4035 (expand_vec_perm_even_odd_1): Ditto.
4036 (ix86_vectorize_vec_perm_const): Ditto.
4037 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
4038 * config/i386/sse.md: ... here.
4039 * config/i386/mmx.md (*vec_interleave_lowv2sf):
4040 New insn_and_split pattern.
4041 (*vec_interleave_highv2sf): Ditto.
4042 (mmx_pshufbv8qi3): New insn pattern.
4043 (*mmx_pblendw): Ditto.
4045 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
4047 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
4048 (build_acc): Likewise.
4049 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
4050 source operands in little-endian mode.
4051 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
4052 (mma_init_builtins): Likewise.
4053 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
4054 ordering for the MMA assemble and build source operands.
4055 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
4057 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
4060 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
4062 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
4064 * config/h8300/extensions.md: Replace _clobber_flags patterns
4067 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
4069 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
4070 (vcond_mask_<mode><tointvec>): this.
4072 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
4073 Thomas Schwinge <thomas@codesourcery.com>
4075 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
4076 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
4077 * gimple.h (enum gf_mask): Split
4078 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
4079 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
4080 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
4081 (is_gimple_omp_oacc): Update.
4082 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
4083 * gimplify.c (gimplify_omp_target_update): Likewise.
4084 * omp-expand.c (expand_omp_target, build_omp_regions_1)
4085 (omp_make_gimple_edges): Likewise.
4086 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
4089 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
4091 * value-query.cc (value_query::value_on_edge): Rename name to
4093 (range_query::range_on_edge): Same.
4094 (range_query::value_of_expr): Same.
4095 (range_query::value_on_edge): Same.
4096 * value-query.h (class value_query): Same.
4097 (class range_query): Same.
4099 2021-06-10 Richard Biener <rguenther@suse.de>
4101 PR tree-optimization/101003
4102 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
4103 use the pattern stmt defs when linearizing a chain.
4105 2021-06-10 Jakub Jelinek <jakub@redhat.com>
4108 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
4109 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
4111 2021-06-10 Clement Chigot <clement.chigot@atos.net>
4113 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
4114 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
4116 2021-06-09 Andrew Pinski <apinski@marvell.com>
4118 PR tree-optimization/100925
4119 * match.pd (a ? CST1 : CST2): Limit transformations
4120 that would produce a negative to integeral types only.
4121 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
4123 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
4126 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
4128 * doc/tm.texi: Correctly update.
4130 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
4132 * doc/tm.texi: Correctly update.
4134 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
4137 * doc/tm.texi.in (Trampolines): Add a missing blank line.
4139 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
4142 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
4143 and -ftrampolines work only with Ada.
4144 * doc/tm.texi.in (Trampolines): Likewise.
4145 * doc/tm.texi: Regenerated.
4147 2021-06-09 Carl Love <cel@us.ibm.com>
4149 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
4150 Add define for new builtins.
4151 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
4152 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
4153 overloaded builtin definitions.
4154 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
4155 VSIGNEXTSD2Q): Add builtin expansions.
4156 (SIGNEXT): Add P10 overload definition.
4157 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
4158 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
4159 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
4160 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
4161 vsignextend_si_v2di)[VIlong]: Add define_expand.
4162 Make define_insn vsx_sign_extend_si_v2di visible.
4163 * doc/extend.texi: Add documentation for the vec_signexti,
4164 vec_signextll builtins and vec_signextq.
4166 2021-06-09 Carl Love <cel@us.ibm.com>
4168 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
4169 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
4170 __floattikf_sw, __floatuntikf_sw respectively.
4171 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
4172 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
4173 define_insn for mode IEEE 128.
4175 2021-06-09 Carl Love <cel@us.ibm.com>
4177 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
4178 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
4179 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
4180 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
4181 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
4182 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
4183 uses of VSX_TI to VEC_TI.
4185 2021-06-09 Carl Love <cel@us.ibm.com>
4187 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
4189 2021-06-09 Carl Love <cel@us.ibm.com>
4191 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
4193 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
4194 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
4195 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
4196 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
4197 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
4198 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
4199 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
4201 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
4202 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
4203 altivec_vrlqnm): New define_expands.
4204 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
4205 VCMPGTUT_P): Add macro expansions.
4206 (BU_P10V_AV_P): Add builtin predicate definition.
4207 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
4208 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
4209 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
4210 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
4211 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
4212 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
4213 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
4214 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
4215 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
4216 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
4217 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
4218 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
4219 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
4220 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
4221 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
4222 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
4223 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
4224 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
4225 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
4226 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
4227 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
4228 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
4229 P10V_BUILTIN_MODU_V1TI):
4230 New overloaded definitions.
4231 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
4232 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
4233 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
4234 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
4235 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
4236 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
4238 (altivec_init_builtins): New E_V1TImode case statement.
4239 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
4240 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
4241 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
4242 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
4243 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
4244 E_V1TImode]: New case statements.
4245 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
4246 value RS6000_BTI_bool_V1TI.
4247 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
4248 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
4249 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
4250 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
4251 vlshrv1ti3, vashrv1ti3): New define_expands.
4252 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
4253 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
4254 UNSPEC_VSX_MODUQ): New unspecs.
4255 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
4256 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
4258 (vcmpnet): New define_expand.
4259 * doc/extend.texi: Add documentation for the new builtins vec_rl,
4260 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
4261 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
4262 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
4263 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
4264 vec_any_ge, vec_any_le.
4266 2021-06-09 Carl Love <cel@us.ibm.com>
4268 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
4269 bug in argument generation.
4271 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
4273 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
4275 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
4276 remove <supf> iterator.
4277 (mve_vclzq_u<mode>): New.
4278 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
4279 (neon_vclz<mode): Move to ...
4280 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
4281 * config/arm/vec-common.md: ... here. Add support for MVE.
4283 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
4285 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
4286 (@mve_vrhaddq_<supf><mode): Likewise.
4287 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
4288 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
4289 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
4291 2021-06-09 imba-tjd <109224573@qq.com>
4293 * doc/invoke.texi: Fix typo.
4295 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
4298 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
4299 Support evaluation of fmod/fmodf/fmodl at compile-time.
4301 2021-06-09 Richard Biener <rguenther@suse.de>
4303 PR tree-optimization/100981
4304 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
4305 gimple_get_lhs to also handle calls.
4306 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
4309 2021-06-09 Richard Biener <rguenther@suse.de>
4311 PR tree-optimization/97832
4312 * tree-vectorizer.h (_slp_tree::failed): New.
4313 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
4315 (_slp_tree::~_slp_tree): Free failed.
4316 (vect_build_slp_tree): Retain failed nodes and record
4317 matches in them, copying that back out when running
4318 into a cached fail. Dump start and end of discovery.
4320 (vect_build_slp_tree_2): Handle associatable chains
4321 together doing more aggressive operand swapping.
4323 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
4326 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
4328 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
4329 Linux and GNU targets.
4331 2021-06-09 Richard Biener <rguenther@suse.de>
4333 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
4336 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
4338 * config/arc/arc.md (loop_end): Change it to
4339 define_insn_and_split.
4341 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
4343 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
4344 (machi): New pattern.
4345 (umaddhisi4): Use VMAC2HU instruction.
4346 (umachi): New pattern.
4348 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
4350 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
4351 * config/arc/arc.c (arc_split_move_p): New function.
4352 (arc_split_move): Clean up.
4353 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
4354 (movdf_insn): Likewise.
4355 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
4357 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
4360 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
4361 argument to "raw". Do not emit segment overrides when "raw" is true.
4363 2021-06-09 Martin Liska <mliska@suse.cz>
4365 * doc/gcov.texi: Create a proper JSON files.
4366 * doc/invoke.texi: Remove dots in order to make it a valid
4369 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
4371 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
4372 (insn_is_load_p): Use pattern_is_rotate64.
4373 (insn_is_swap_p): Likewise.
4374 (quad_aligned_load_p): Likewise.
4375 (const_load_sequence_p): Likewise.
4376 (replace_swapped_aligned_load): Likewise.
4377 (recombine_lvx_pattern): Likewise.
4378 (recombine_stvx_pattern): Likewise.
4380 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
4382 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
4383 fur_stmt source record.
4384 * gimple-range.cc (fur_source::get_operand): Generic range query.
4385 (fur_source::get_phi_operand): New.
4386 (fur_source::register_dependency): New.
4387 (fur_source::query): New.
4388 (class fur_edge): New. Edge source for operands.
4389 (fur_edge::fur_edge): New.
4390 (fur_edge::get_operand): New.
4391 (fur_edge::get_phi_operand): New.
4392 (fur_edge::query): New.
4393 (fur_stmt::fur_stmt): New.
4394 (fur_stmt::get_operand): New.
4395 (fur_stmt::get_phi_operand): New.
4396 (fur_stmt::query): New.
4397 (class fur_depend): New. Statement source and process dependencies.
4398 (fur_depend::fur_depend): New.
4399 (fur_depend::register_dependency): New.
4400 (class fur_list): New. List source for operands.
4401 (fur_list::fur_list): New.
4402 (fur_list::get_operand): New.
4403 (fur_list::get_phi_operand): New.
4404 (fold_range): New. Instantiate appropriate fur_source class and fold.
4405 (fold_using_range::range_of_range_op): Use new API.
4406 (fold_using_range::range_of_address): Ditto.
4407 (fold_using_range::range_of_phi): Ditto.
4408 (imple_ranger::fold_range_internal): Use fur_depend class.
4409 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
4410 * gimple-range.h (class fur_source): Now a base class.
4411 (class fur_stmt): New.
4412 (fold_range): New prototypes.
4413 (fur_source::fur_source): Delete.
4415 2021-06-08 Andrew Pinski <apinski@marvell.com>
4417 PR tree-optimization/25290
4418 * tree-ssa-phiopt.c (xor_replacement): Delete.
4419 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
4420 (match_simplify_replacement): Allow one cheap preparation
4421 statement that can be moved to before the if.
4423 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
4425 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
4426 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
4428 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
4430 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
4431 Create length attribute on define_insn_and_split. Only split for cases which we
4433 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
4434 fix length computation.
4435 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
4437 2021-06-08 Richard Biener <rguenther@suse.de>
4439 PR tree-optimization/100923
4440 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
4441 the operand vector to be valueized.
4442 (valueize_refs): Likewise.
4443 (valueize_shared_reference_ops_from_ref): Adjust.
4444 (valueize_shared_reference_ops_from_call): Likewise.
4445 (vn_reference_lookup_3): Likewise.
4446 (vn_reference_lookup_pieces): Likewise. Re-valueize
4447 with honoring availability when we are about to create
4448 the ao_ref and valueized before.
4449 (vn_reference_lookup): Likewise.
4450 (vn_reference_insert_pieces): Adjust.
4452 2021-06-08 Richard Biener <rguenther@suse.de>
4454 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
4455 (_slp_instance::root_stmts): ... a vector.
4456 (SLP_INSTANCE_ROOT_STMT): Rename to ...
4457 (SLP_INSTANCE_ROOT_STMTS): ... this.
4458 (slp_root::root): Change to...
4459 (slp_root::roots): ... a vector.
4460 (slp_root::slp_root): Adjust.
4461 * tree-vect-slp.c (_slp_instance::location): Adjust.
4462 (vect_free_slp_instance): Release the root stmt vector.
4463 (vect_build_slp_instance): Adjust.
4464 (vect_analyze_slp): Likewise.
4465 (_bb_vec_info::~_bb_vec_info): Likewise.
4466 (vect_slp_analyze_operations): Likewise.
4467 (vect_bb_vectorization_profitable_p): Likewise. Adjust
4468 costs for the root stmt.
4469 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
4471 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
4473 (vectorize_slp_instance_root_stmt): Adjust.
4474 (vect_schedule_slp): Likewise.
4476 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
4478 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
4479 (ssa_equiv_stack::ssa_equiv_stack): New.
4480 (ssa_equiv_stack::~ssa_equiv_stack): New.
4481 (ssa_equiv_stack::enter): New.
4482 (ssa_equiv_stack::leave): New.
4483 (ssa_equiv_stack::push_replacement): New.
4484 (ssa_equiv_stack::get_replacement): New.
4485 (is_pointer_ssa): New.
4486 (class pointer_equiv_analyzer): New.
4487 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
4488 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
4489 (pointer_equiv_analyzer::set_global_equiv): New.
4490 (pointer_equiv_analyzer::set_cond_equiv): New.
4491 (pointer_equiv_analyzer::get_equiv): New.
4492 (pointer_equiv_analyzer::enter): New.
4493 (pointer_equiv_analyzer::leave): New.
4494 (pointer_equiv_analyzer::get_equiv_expr): New.
4495 (pta_valueize): New.
4496 (pointer_equiv_analyzer::visit_stmt): New.
4497 (pointer_equiv_analyzer::visit_edge): New.
4498 (hybrid_folder::value_of_expr): Call PTA.
4499 (hybrid_folder::value_on_edge): Same.
4500 (hybrid_folder::pre_fold_bb): New.
4501 (hybrid_folder::post_fold_bb): New.
4502 (hybrid_folder::pre_fold_stmt): New.
4503 (rvrp_folder::pre_fold_bb): New.
4504 (rvrp_folder::post_fold_bb): New.
4505 (rvrp_folder::pre_fold_stmt): New.
4506 (rvrp_folder::value_of_expr): Call PTA.
4507 (rvrp_folder::value_on_edge): Same.
4509 2021-06-08 Jakub Jelinek <jakub@redhat.com>
4512 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
4513 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
4515 2021-06-08 Richard Biener <rguenther@suse.de>
4517 PR middle-end/100951
4518 * tree-vect-generic.c (expand_vector_piecewise): Build a
4519 VECTOR_CST if all elements are constant.
4520 (expand_vector_condition): Likewise.
4521 (lower_vec_perm): Likewise.
4522 (expand_vector_conversion): Likewise.
4524 2021-06-08 Martin Liska <mliska@suse.cz>
4526 * doc/invoke.texi: Document new param evrp-sparse-threshold.
4528 2021-06-08 Martin Liska <mliska@suse.cz>
4530 * genautomata.c (create_automata): Fix typo.
4532 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
4534 PR tree-optimization/100794
4535 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
4536 allow_unroll_p and only allow unrolling when it's true.
4537 (tree_predictive_commoning): Add parameter allow_unroll_p and
4539 (run_tree_predictive_commoning): Likewise.
4540 (pass_predcom::gate): Check flag_tree_loop_vectorize and
4541 global_options_set.x_flag_predictive_commoning.
4542 (pass_predcom::execute): Adjust for allow_unroll_p.
4544 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
4546 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
4547 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
4548 lambda function cleanup, remove scev_reset call, and adjust return
4550 (tree_predictive_commoning): Adjust for different changed values,
4551 only set flag TODO_update_ssa_only_virtuals if changed.
4552 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
4553 from todo_flags_finish.
4555 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
4557 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
4558 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
4559 (sbr_sparse_bitmap::bitmap_set_quad): New.
4560 (sbr_sparse_bitmap::bitmap_get_quad): New.
4561 (sbr_sparse_bitmap::set_bb_range): New.
4562 (sbr_sparse_bitmap::get_bb_range): New.
4563 (sbr_sparse_bitmap::bb_range_p): New.
4564 (block_range_cache::block_range_cache): initialize bitmap obstack.
4565 (block_range_cache::~block_range_cache): Destruct obstack.
4566 (block_range_cache::set_bb_range): Decide when to utilze the
4567 sparse on entry cache.
4568 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
4569 * params.opt (-param=evrp-sparse-threshold): New.
4571 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
4573 * bitmap.c (bitmap_set_aligned_chunk): New.
4574 (bitmap_get_aligned_chunk): New.
4575 (test_aligned_chunk): New.
4576 (bitmap_c_tests): Call test_aligned_chunk.
4577 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
4579 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
4582 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
4584 (ix86_expand_vector_init_one_nonzero): Ditto.
4585 (ix86_expand_vector_init_one_var): Ditto.
4586 (ix86_expand_vector_init_general): Ditto.
4587 * config/i386/mmx.md (vec_initv4qiqi): New expander.
4589 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
4591 * config/h8300/movepush.md: Change most _clobber_flags
4592 patterns to instead use <cczn> subst.
4593 (movsi_cczn): New pattern with usable CC cases split out.
4594 (movsi_h8sx_cczn): Likewise.
4596 2021-06-07 Martin Liska <mliska@suse.cz>
4598 * common/common-target.def: Split long lines and replace them
4600 * target.def: Likewise.
4601 * doc/tm.texi: Re-generated.
4603 2021-06-07 Jakub Jelinek <jakub@redhat.com>
4606 * fold-const.c (fold_read_from_vector): Return NULL if trying to
4607 read from a CONSTRUCTOR with vector type elements.
4609 2021-06-07 Jakub Jelinek <jakub@redhat.com>
4611 PR middle-end/100898
4612 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
4613 should copy any arguments. Don't call gimple_call_num_args
4614 on id->call_stmt or call_stmt more than once.
4616 2021-06-07 liuhongt <hongtao.liu@intel.com>
4619 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
4621 (<insn>v4siv4di2): Delete constraints for define_expand.
4623 2021-06-07 liuhongt <hongtao.liu@intel.com>
4626 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
4627 assignment of cfun->machine->has_explicit_vzeroupper.
4628 * config/i386/i386-features.c
4629 (ix86_add_reg_usage_to_vzerouppers): Delete.
4630 (ix86_add_reg_usage_to_vzeroupper): Ditto.
4631 (rest_of_handle_insert_vzeroupper): Remove
4632 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
4634 (gate): Remove cfun->machine->has_explicit_vzeroupper.
4635 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
4637 * config/i386/i386.c (ix86_insn_callee_abi): New function.
4638 (ix86_initialize_callee_abi): Ditto.
4639 (ix86_expand_avx_vzeroupper): Ditto.
4640 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
4642 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
4643 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
4645 * config/i386/i386.h (struct GTY(()) machine_function): Delete
4646 has_explicit_vzeroupper.
4647 * config/i386/i386.md (enum unspec): New member
4649 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
4650 define_constants for insn callee abi index.
4651 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
4652 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
4653 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
4654 (*avx_vzeroupper): Rename to ..
4655 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
4656 call_insn which has a special vzeroupper ABI.
4657 (*avx_vzeroupper_1): Deleted.
4659 2021-06-07 liuhongt <hongtao.liu@intel.com>
4662 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
4663 it won't use stack pointer reg.
4664 * final.c (leaf_function_p): When call_insn is a fake call, it
4665 won't affect caller as a leaf function.
4666 * reg-stack.c (callee_clobbers_any_stack_reg): New.
4667 (subst_stack_regs): When call_insn doesn't clobber any stack
4668 reg, don't clear the arguments.
4669 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
4671 * shrink-wrap.c (requires_stack_frame_p): No need for stack
4672 frame for a fake call.
4673 * rtl.h (FAKE_CALL_P): New macro.
4675 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
4677 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
4679 (sparc_order_regs_for_local_alloc): ...this.
4680 (sparc_leaf_reg_remap): Declare.
4681 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
4682 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
4683 * config/sparc/sparc.c (leaf_reg_remap): Delete.
4684 (order_regs_for_local_alloc): Rename to...
4685 (sparc_order_regs_for_local_alloc): ...this.
4686 (sparc_leaf_reg_remap): New function.
4687 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
4689 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
4691 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
4692 Use assemble_name to output BSS section name.
4694 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
4696 * config/i386/constraints.md (Bs):
4697 Remove boolean operators from match_test RTX.
4700 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
4703 2021-06-06 Martin Liska <mliska@suse.cz>
4705 * doc/extend.texi: Add missing @headitem.
4706 * doc/invoke.texi: Likewise.
4707 * doc/objc.texi: Likewise.
4709 2021-06-06 Martin Liska <mliska@suse.cz>
4711 * genhooks.c (emit_findices): Remove unused function.
4712 (emit_documentation): Do not call emit_findices
4713 and do not search for @Fcode directives.
4715 2021-06-06 Martin Liska <mliska@suse.cz>
4717 * doc/invoke.texi: Remove extra character.
4719 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4721 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
4723 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4725 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
4726 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
4727 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
4728 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
4730 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4732 * config/or1k/or1k.md (*movdi): Fix empty split condition.
4734 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4736 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
4739 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4741 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
4742 *zero_extendsidi2): Fix empty split condition.
4744 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
4746 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
4748 * config/h8300/bitfield.md: Likewise.
4749 * config/h8300/combiner.md: Likewise.
4750 * config/h8300/divmod.md: Likewise.
4751 * config/h8300/extensions.md: Likewise.
4752 * config/h8300/jumpcall.md: Likewise.
4753 * config/h8300/movepush.md: Likewise.
4754 * config/h8300/multiply.md: Likewise.
4755 * config/h8300/other.md: Likewise.
4756 * config/h8300/shiftrotate.md: Likewise.
4757 * config/h8300/logical.md: Likewise. Fix split pattern to use
4758 code iterator that somehow slipped through.
4760 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
4762 PR middle-end/100905
4763 * tree-nested.c (convert_nonlocal_omp_clauses,
4764 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
4766 2021-06-04 Martin Sebor <msebor@redhat.com>
4768 PR middle-end/100732
4769 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
4770 with either source or destination argument of invalid type.
4771 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
4772 calls with arguments of invalid type.
4774 2021-06-04 Martin Sebor <msebor@redhat.com>
4776 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
4778 (attr_access::vla_bounds): Also handle VLA bounds.
4780 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
4782 * config/i386/predicates.md (GOT_memory_operand):
4783 Implement using match_code RTXes.
4784 (GOT32_symbol_operand): Ditto.
4786 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
4789 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
4791 (ix86_expand_vector_init_general): Ditto.
4792 Use SImode instead of word_mode for logic operations
4793 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
4794 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
4795 implemented by expand_vec_perm_1.
4796 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
4797 should be implemented using standard shuffle patterns.
4798 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
4799 V2HI modes to modes, implementable with shuffle for one operand.
4800 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
4801 (*pshufw_1): New insn pattern.
4802 (*vec_dupv2hi): Ditto.
4803 (vec_initv2hihi): New expander.
4805 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
4807 * config/arm/vfp.md (no_literal_pool_df_immediate,
4808 no_literal_pool_sf_immediate): Fix empty split condition.
4810 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
4812 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
4813 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
4814 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
4815 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
4816 *<sse4_1_avx2>_pblendvb_lt): Likewise.
4818 2021-06-04 Jakub Jelinek <jakub@redhat.com>
4821 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
4822 concatenation from half-sized modes with TImode elements.
4824 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
4826 * config/arc/arc.c (arc_override_options): Disable millicode
4827 thunks when RF16 is on.
4829 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
4831 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
4833 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
4835 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
4836 Replace PROMOTE_MODE marco with its content.
4838 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
4840 * config/cris/cris.md (*addi_reload): Fix empty split condition.
4842 2021-06-03 Jim Wilson <jimw@sifive.com>
4844 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
4845 turn it on for all riscv targets.
4847 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
4850 * config/i386/i386-expand.c (ix86_expand_vector_set):
4851 Handle V2HI and V4QI modes.
4852 (ix86_expand_vector_extract): Ditto.
4853 * config/i386/mmx.md (*pinsrw): New insn pattern.
4856 (*pextrw_zext): Ditto.
4858 (*pextrb_zext): Ditto.
4859 (vec_setv2hi): New expander.
4860 (vec_extractv2hihi): Ditto.
4861 (vec_setv4qi): Ditto.
4862 (vec_extractv4qiqi): Ditto.
4863 (vec_setv8qi): Enable only for TARGET_SSE4_1.
4864 (vec_extractv8qiqi): Ditto.
4866 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
4868 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
4869 order to subf instruction.
4870 * config/rs6000/fusion.md: Regenerate.
4872 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4874 * calls.c (get_size_range): Use range_of_expr instead of
4875 determine_value_range.
4876 * tree-affine.c (expr_to_aff_combination): Same.
4877 * tree-data-ref.c (split_constant_offset): Same.
4878 * tree-vrp.c (determine_value_range_1): Remove.
4879 (determine_value_range): Remove.
4880 * tree-vrp.h (determine_value_range): Remove.
4882 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4884 * function-tests.c (test_ranges): Call gimple_range_tests.
4885 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
4887 * gimple-range.cc (fur_source::get_operand): Do not call
4888 get_tree_range or gimple_range_global.
4890 (get_tree_range): Move to value-query.cc.
4891 Call get_arith_expr_range.
4892 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
4893 Include gimple-range-tests.cc.
4894 * gimple-range.h (fold_range): Add argument.
4895 (get_tree_range): Remove.
4896 * selftest.h (gimple_range_tests): New.
4897 * value-query.cc (global_range_query::range_of_expr): Add
4899 (range_query::get_tree_range): Move from gimple-range.cc.
4900 * value-query.h (class range_query): Add get_tree_range and
4901 get_arith_expr_range. Make fur_source a friend.
4902 * vr-values.c (vr_values::range_of_expr): Pass stmt to
4904 * gimple-range-tests.cc: New file.
4906 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4908 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
4909 update_global_range.
4910 * value-query.cc (update_global_range): New.
4911 * value-query.h (update_global_range): New.
4913 2021-06-03 David Malcolm <dmalcolm@redhat.com>
4915 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
4916 printing the same location twice if there are fix-it hints,
4917 multiple locations, or a label.
4919 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
4921 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
4922 thresholds to narrow the upper bound on epilogue iterations.
4924 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
4926 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
4927 (mve_vabsq_s<mode>): Likewise.
4928 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
4929 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
4930 * config/arm/vec-common.md (neg<mode>2): Rename to
4931 <absneg_str><mode>2.
4933 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
4935 * common/config/arc/arc-common.c (arc_option_optimization_table):
4937 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
4938 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
4939 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
4940 * config/arc/arc.md (abssi2_mixed): Remove pattern.
4941 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
4942 (malign-call): Likewise.
4943 (mmixed-code): Likewise.
4944 * doc/invoke.texi (ARC): Update doc.
4946 2021-06-03 Martin Liska <mliska@suse.cz>
4948 * common.opt: Use proper Enum values.
4949 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
4950 (parse_sanitizer_options): Handle only sanitizer_opts.
4951 (common_handle_option): Just assign value.
4953 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4956 * tree-inline.c (inline_forbidden_p): Remove test on return type.
4958 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4960 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
4961 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
4962 (type_byte_size): Inline into...
4963 (add_byte_size_attribute): ...this and call add_scalar_info.
4965 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4967 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
4968 (typed_binop_from_tree): New function.
4969 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
4970 turn a divide by a power of 2 into a shift.
4971 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
4972 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
4973 typed divide by calling typed_binop_from_tree.
4975 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4977 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
4978 (is_handled_procedure_type): Likewise.
4979 (struct loc_descr_context): Add strict_signedness field.
4980 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
4981 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
4982 (resolve_args_picking): Minor tweak.
4983 (function_to_dwarf_procedure): Initialize strict_signedness field.
4984 (type_byte_size): Likewise.
4985 (field_byte_offset): Likewise.
4986 (gen_descr_array_type_die): Likewise.
4987 (gen_variant_part): Likewise.
4988 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
4989 to true when a context is present before evaluating the arguments.
4990 <COND_EXPR>: Do not generate a useless comparison with zero.
4991 When dereferencing an address, if strict_signedness is true and the
4992 type is small and signed, use DW_OP_deref_type to do the dereference
4993 and then DW_OP_convert to convert back to the generic type.
4995 2021-06-03 Jakub Jelinek <jakub@redhat.com>
4998 * tree-inline.c (copy_tree_body_r): Handle iterators on
4999 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
5001 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
5003 * config/arc/arc.md (*bbit_di): Remove.
5005 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
5007 PR rtl-optimization/100264
5008 * ree.c (get_sub_rtx): Ignore SET expressions without register
5009 destinations and remove assertion, as it is not valid anymore
5010 with this new behaviour.
5011 (merge_def_and_ext): Eliminate destination check for register
5012 as such SET expressions can't occur anymore.
5013 (combine_reaching_defs): Likewise.
5015 2021-06-02 Jakub Jelinek <jakub@redhat.com>
5018 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
5019 -Wtype-limits warnings.
5020 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
5021 in operands to avoid -Wsign-compare warnings.
5023 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
5025 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
5028 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
5030 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
5032 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
5034 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
5036 * config/s390/subst.md(cconly_subst): Use a single constraint
5039 2021-06-02 Martin Liska <mliska@suse.cz>
5041 * ipa-icf.h: Use auto_vec for memory_access_types.
5043 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
5045 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
5046 argument from prototype.
5047 (output_logical_op): Add rtx_code argument.
5048 (compute_logical_op_length): Likewise.
5049 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
5050 to compute_a_shift_length.
5051 (output_logical_op); New argument with the rtx code rather than
5052 extracting it from an operand. Handle QImode too.
5053 (compute_logical_op_length): Similary.
5054 (compute_a_shift_length): Drop unused argument.
5055 * config/h8300/h8300.md (logicals): New code iterator.
5056 * config/h8300/logical.md (<code><mode>3 expander): Combine
5057 the "and" expander with the "ior"/"xor" expander.
5058 (bclr<mode>msx): Combine the QI/HI mode patterns.
5059 (<logical><mode>3 insns): Use code iterator rather than match_operator.
5060 Handle QImode as well. Update call to output_logical_op and
5061 compute_logical_op_length to pass in rtx_code
5062 Fix split condition on all define_insn_and_split patterns.
5063 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
5064 the flags and setting ZN via existing define_subst.
5065 * config/h8300/shiftrotate.md: Drop unused argument from
5066 calls to compute_a_shift_length.
5067 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
5069 2021-06-01 Andrew Pinski <apinski@marvell.com>
5071 PR tree-optimization/25290
5072 * tree-ssa-phiopt.c (match_simplify_replacement):
5074 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
5075 (two_value_replacement): Change the comment about
5076 conditional_replacement.
5077 (conditional_replacement): Delete.
5079 2021-06-01 Andrew Pinski <apinski@marvell.com>
5081 PR tree-optimization/95481
5082 * tree-tailcall.c (find_tail_calls): Handle empty typed
5085 2021-06-01 Andrew Pinski <apinski@marvell.com>
5087 * gimplify.c (zero_sized_field_decl): Delete
5088 (zero_sized_type): Delete
5089 (gimplify_init_ctor_eval): Use is_empty_type instead
5090 of zero_sized_field_decl.
5091 (gimplify_modify_expr): Use is_empty_type instead of
5094 2021-06-01 Jason Merrill <jason@redhat.com>
5097 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
5099 2021-06-01 Jason Merrill <jason@redhat.com>
5102 * diagnostic.h (warning_enabled_at): Declare.
5103 * diagnostic.c (diagnostic_enabled): Factor out from...
5104 (diagnostic_report_diagnostic): ...here.
5105 (warning_enabled_at): New.
5107 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
5109 * gimple-ssa-evrp.c: Enable exporting of global ranges.
5111 2021-06-01 Martin Liska <mliska@suse.cz>
5114 * doc/invoke.texi: Mention that -fgcse-after-reload
5115 is enabled with -O3.
5117 2021-06-01 liuhongt <hongtao.liu@intel.com>
5119 PR tree-optimization/98365
5120 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
5121 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
5122 (convert_scalar_cond_reduction): Ditto.
5123 (predicate_scalar_phi): Ditto.
5125 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
5127 PR tree-optimization/100781
5128 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
5129 value calculation by default.
5130 (ranger_cache::enable_new_values): New.
5131 (ranger_cache::disable_new_values): New.
5132 (ranger_cache::push_poor_value): Check if new values are allowed.
5133 * gimple-range-cache.h (class ranger_cache): New member/methods.
5134 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
5135 statement, and disable/renable new value calculation.
5137 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
5139 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
5140 (ranger_cache::range_of_def): New.
5141 (ranger_cache::entry_range): New.
5142 (ranger_cache::exit_range): New.
5143 (ranger_cache::range_of_expr): Adjust.
5144 (ranger_cache::range_on_edge): Adjust.
5145 (ranger_cache::propagate_cache): Call exit_range directly.
5146 * gimple-range-cache.h (class ranger_cache): Adjust.
5148 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
5150 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
5151 gori_compute being a member rather than base class.
5152 dervied call to member call.
5153 (ranger_cache::dump): No longer dump gori_map.
5154 (ranger_cache::dump_bb): New.
5155 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
5156 being a member rather than base class.
5157 (ranger_cache::set_global_range): Ditto.
5158 (ranger_cache::ssa_range_in_bb): Ditto.
5159 (ranger_cache::range_of_expr): New.
5160 (ranger_cache::range_on_edge): New.
5161 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
5162 (ranger_cache::propagate_cache): Adjust debugging output.
5163 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
5165 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
5166 member, and inherit from range_query instead.
5167 (ranger_cache::dump_bb): New. split from dump.
5168 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
5169 (gori_compute::expr_range_at_stmt): Delete.
5170 (gori_compute::compute_name_range_op): Delete.
5171 (gori_compute::compute_operand_range_switch): Add fur_source.
5172 (gori_compute::compute_operand_range): Add fur_source param, inline
5173 old compute_name_range_op and optimize_logical_operands.
5174 (struct tf_range): Delete.
5175 (gori_compute::logical_combine): Adjust
5176 (gori_compute::optimize_logical_operands): Delete.
5177 (gori_compute::compute_logical_operands_in_chain): Delete.
5178 (gori_compute::compute_logical_operands): Adjust.
5179 (gori_compute::compute_operand1_range): Adjust to fur_source.
5180 (gori_compute::compute_operand2_range): Ditto.
5181 (gori_compute::compute_operand1_and_operand2_range): Ditto.
5182 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
5183 and adjust to fur_source.
5184 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
5185 range_query and fur_source.
5186 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
5187 from the ranger_cache..
5188 (gimple_ranger::fold_range_internal): Adjust to base class change of
5190 (gimple_ranger::dump_bb): Adjust dump.
5191 * gimple-range.h (gimple_ranger):export gori computes object.
5193 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
5195 PR tree-optimization/100774
5196 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
5197 Constant values are also not stale.
5198 (ranger_cache::set_global_range): Range invariant values should also
5199 have the correct timestamp.
5201 2021-05-31 Martin Liska <mliska@suse.cz>
5203 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
5204 Unpack FUNCTION_DECL_DECL_TYPE.
5205 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
5206 Stream FUNCTION_DECL_DECL_TYPE instead of
5207 DECL_IS_OPERATOR_NEW_P.
5208 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
5210 (DECL_IS_OPERATOR_NEW_P): Likewise.
5211 (DECL_IS_OPERATOR_DELETE_P): Likewise.
5212 (DECL_LAMBDA_FUNCTION_P): Likewise.
5214 2021-05-31 Richard Biener <rguenther@suse.de>
5217 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
5218 * internal-fn.def (SHUFFLEVECTOR): New.
5219 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
5220 * doc/extend.texi: Document __builtin_shufflevector.
5222 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
5225 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
5226 indexed form addresses.
5228 2021-05-29 Jeff Law <jlaw@tachyum.com>
5230 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
5231 parameter. Call callers fixed.
5233 (output_plussi): Add FALLTHRU markers.
5234 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
5236 2021-05-29 Jakub Jelinek <jakub@redhat.com>
5239 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
5240 combined with parallel, make sure to add shared clause to
5241 parallel for explicit linear clause.
5243 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
5245 PR tree-optimization/100787
5246 * gimple-ssa-evrp.c: Disable exporting of global ranges.
5248 2021-05-28 Jason Merrill <jason@redhat.com>
5250 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
5251 operator--, operator*, operator==, and operator!=.
5252 (class tsi_range): New.
5254 2021-05-28 Richard Biener <rguenther@suse.de>
5256 PR tree-optimization/100778
5257 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
5258 trapping ops in different BBs.
5260 2021-05-28 Richard Biener <rguenther@suse.de>
5263 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
5264 copy fntype from original call.
5266 2021-05-28 Martin Liska <mliska@suse.cz>
5268 PR gcov-profile/100751
5269 * doc/gcov.texi: Revert partially a hunk that was wrong.
5271 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
5273 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
5275 (HAVE_sync_compare_and_swaphi): Likewise.
5276 (HAVE_sync_compare_and_swapsi): Likewise.
5278 2021-05-28 Jakub Jelinek <jakub@redhat.com>
5281 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
5283 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
5285 * gimplify.c (gimplify_omp_affinity): New.
5286 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
5287 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
5288 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
5289 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
5290 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
5292 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
5293 Richard Biener <rguenther@suse.de>
5295 * match.pd <popcount & / + pattern matching>:
5296 When generating popcount directly fails, try doing it in two halves.
5298 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
5300 * Makefile.in (generated_files): Add gimple-match.c and
5303 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
5305 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
5307 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
5309 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
5311 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
5313 PR tree-optimization/99398
5314 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
5315 where the fed operands are CTOR/CST and propagated through
5316 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
5317 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
5319 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
5322 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
5324 * config/i386/mmx.md (addv2sf3): Do not call
5325 ix86_fixup_binary_operands_no_copy.
5328 (<smaxmin:code>v2sf3): Ditto.
5329 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
5330 (<plusminus:insn><VI_32:mode>3): Remove expander.
5331 (<plusminus:insn><VI_32:mode>3): Rename from
5332 "*<plusminus:insn><VI_32:mode>3".
5333 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
5334 (mulv2hi3): Remove expander.
5335 (mulv2hi3): Rename from *mulv2hi3.
5336 (<s>mulv2hi3_highpart): Remove expander.
5337 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
5338 (<smaxmin:code><MMXMODE14:mode>3): Rename from
5339 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
5340 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
5341 (SMAXMIN_MMXMODEI): Remove mode iterator.
5342 (<smaxmin:code>v4hi3): New expander.
5343 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
5344 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
5345 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
5346 (SMAXMIN_VI_32): Remove mode iterator.
5347 (<umaxmin:code><MMXMODE24:mode>3): Rename from
5348 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
5349 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
5350 (UMAXMIN_MMXMODEI): Remove mode iterator.
5351 (<umaxmin:code>v8qi3): New expander.
5352 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
5353 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
5354 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
5355 (UMAXMIN_VI_32): Remove mode iterator.
5356 (<any_shift:insn>v2hi3): Remove expander.
5357 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
5358 (<any_logic:code><MMXMODEI:mode>3): Do not call
5359 ix86_fixup_binary_operands_no_copy.
5360 (<any_logic:code><VI_32:mode>3): Remove expander.
5361 (<any_logic:code><VI_32:mode>3): Rename from
5362 "*<any_logic:code><VI_32:mode>3".
5363 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
5364 * config/i386/sse.md (div<VF2:mode>3): Do not call
5365 ix86_fixup_binary_operands_no_copy.
5366 (div<VF1:mode>3): Ditto.
5367 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
5368 (smulhrsv4hi3): Ditto.
5369 (smulhrsv2hi3): Ditto.
5371 2021-05-27 Martin Sebor <msebor@redhat.com>
5373 * ggc.h (gt_ggc_mx): Add overloads for all integers.
5375 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
5377 (hash_map::operator==): New function.
5379 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
5382 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
5383 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
5384 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
5385 (*xop_maskcmp<VI_32:mode>3): Ditto.
5386 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
5387 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
5389 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
5392 * config/arm/arm.c (arm_configure_build_target): Remove parameter
5393 opts_set, directly check opts parameters for being non-null.
5394 (arm_option_restore): Update call to arm_configure_build_target.
5395 (arm_option_override): Likewise.
5396 (arm_can_inline_p): Likewise.
5397 (arm_valid_target_attribute_tree): Likewise.
5398 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
5399 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
5402 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
5404 * vr-values.c (simplify_conversion_using_ranges): Use
5405 get_range_query instead of get_global_range_query.
5407 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
5409 * gimple-range.cc (get_range_global): Move to value-query.cc.
5410 (gimple_range_global): Same.
5411 (get_global_range_query): Same.
5412 (global_range_query::range_of_expr): Same.
5413 * gimple-range.h (class global_range_query): Move to
5415 (gimple_range_global): Same.
5416 * tree-ssanames.c (get_range_info): Move to value-query.cc.
5417 (get_ptr_nonnull): Same.
5418 * tree-ssanames.h (get_range_info): Remove.
5419 (get_ptr_nonnull): Remove.
5420 * value-query.cc (get_ssa_name_range_info): Move from
5422 (get_ssa_name_ptr_info_nonnull): Same.
5423 (get_range_global): Move from gimple-range.cc.
5424 (gimple_range_global): Same.
5425 (get_global_range_query): Same.
5426 (global_range_query::range_of_expr): Same.
5427 * value-query.h (class global_range_query): Move from
5429 (gimple_range_global): Same.
5431 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
5434 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
5435 (uavgv2hi3_ceil): Ditto.
5437 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
5440 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
5442 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5444 * tree-ssanames.c (get_range_info): Merge both copies of
5445 get_range_info into one that works with irange.
5446 * tree-ssanames.h (get_range_info): Remove version that works on
5449 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5451 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
5452 (expand_builtin_strnlen): Same.
5453 (determine_block_size): Same.
5454 * fold-const.c (expr_not_equal_to): Same.
5455 * gimple-fold.c (size_must_be_zero_p): Same.
5456 * gimple-match-head.c: Include gimple-range.h.
5457 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
5458 * gimple-ssa-warn-restrict.c
5459 (builtin_memref::extend_offset_range): Same.
5460 * graphite-sese-to-poly.c (add_param_constraints): Same.
5461 * internal-fn.c (get_min_precision): Same.
5462 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
5463 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
5465 * tree-data-ref.c (split_constant_offset): Same.
5466 (dr_step_indicator): Same.
5467 * tree-dfa.c (get_ref_base_and_extent): Same.
5468 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
5469 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
5470 (determine_value_range): Same.
5471 (record_nonwrapping_iv): Same.
5472 (infer_loop_bounds_from_signedness): Same.
5473 (scev_var_range_cant_overflow): Same.
5474 * tree-ssa-phiopt.c (two_value_replacement): Same.
5475 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
5476 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
5477 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
5479 (dump_strlen_info): Same.
5480 (set_strlen_range): Same.
5481 (maybe_diag_stxncpy_trunc): Same.
5482 (get_len_or_size): Same.
5483 (handle_integral_assign): Same.
5484 * tree-ssa-structalias.c (find_what_p_points_to): Same.
5485 * tree-ssa-uninit.c (find_var_cmp_const): Same.
5486 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
5487 * tree-vect-patterns.c (vect_get_range_info): Same.
5488 (vect_recog_divmod_pattern): Same.
5489 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
5490 (register_edge_assert_for_2): Same.
5491 (determine_value_range_1): Same.
5492 * tree.c (get_range_pos_neg): Same.
5493 * vr-values.c (vr_values::get_lattice_entry): Same.
5494 (vr_values::update_value_range): Same.
5495 (simplify_conversion_using_ranges): Same.
5497 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5499 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
5500 get_range_query instead of query argument.
5501 (pass_walloca::execute): Enable and disable global ranger.
5503 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5505 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
5507 (rvrp_folder::~rvrp_folder): Call disable_ranger.
5508 (hybrid_folder::hybrid_folder): Call enable_ranger.
5509 (hybrid_folder::~hybrid_folder): Call disable_ranger.
5511 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5513 * function.c (allocate_struct_function): Set cfun->x_range_query.
5514 * function.h (struct function): Declare x_range_query.
5515 (get_range_query): New.
5516 (get_global_range_query): New.
5517 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
5518 Remove call to safe_grow_cleared.
5519 * gimple-range.cc (get_range_global): New.
5520 (gimple_range_global): Move from gimple-range.h.
5521 (get_global_range_query): New.
5522 (global_range_query::range_of_expr): New.
5523 (enable_ranger): New.
5524 (disable_ranger): New.
5525 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
5526 (class global_range_query): New.
5527 (enable_ranger): New.
5528 (disable_ranger): New.
5529 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
5530 dump_all_value_ranges to dump.
5531 * tree-vrp.c (vrp_prop::finalize): Same.
5532 * value-query.cc (range_query::dump): New.
5533 * value-query.h (range_query::dump): New.
5534 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
5535 (vr_values::dump): ...this.
5536 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
5537 dump and make virtual.
5539 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
5541 * config/i386/i386.c (ix86_autovectorize_vector_modes):
5542 Add V4QImode and V16QImode for TARGET_SSE2.
5543 * doc/sourcebuild.texi (Vector-specific attributes):
5544 Add vect64 and vect32 description.
5546 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
5548 * gimple-range-gori.cc (range_def_chain::register_dependency):
5549 Resize m_def_chain when needed.
5551 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
5553 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
5554 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
5555 * config/arm/vec-common.md: .. here. Add support for MVE.
5557 2021-05-26 Jakub Jelinek <jakub@redhat.com>
5559 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
5561 * config/microblaze/microblaze.c (microblaze_legitimize_address,
5563 microblaze_option_override, print_operand): Likewise.
5564 * config/microblaze/microblaze.md (call_internal_plt,
5565 call_value_intern_plt, call_value_intern): Likewise.
5566 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
5567 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
5568 call_value_multiple_internal1): Likewise.
5569 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
5571 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5573 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
5574 arc_ccfsm_advance, symbolic_reference_mentioned_p,
5575 arc_raw_symbolic_reference_mentioned_p): Remove register
5578 2021-05-26 Jakub Jelinek <jakub@redhat.com>
5581 * omp-low.c: Include omp-offload.h.
5582 (create_omp_child_function): If current_function_decl has
5583 "omp declare target" attribute and is_gimple_omp_offloaded,
5584 remove that attribute from the copy of attribute list and
5585 add "omp target entrypoint" attribute instead.
5586 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
5587 variables for offloading if in omp_maybe_offloaded_ctx.
5588 * omp-offload.c (pass_omp_target_link::execute): Nullify second
5589 argument to GOMP_target_data_ext in offloaded code.
5591 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5593 * config/csky/csky.c (csky_can_change_mode_class): Delete.
5594 For csky, HF/SF mode use the low bits of VREGS.
5596 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
5598 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
5599 DECL which is a reference for OMP.
5601 2021-05-26 Martin Liska <mliska@suse.cz>
5603 PR gcov-profile/100751
5604 * doc/gcov.texi: Document that __gcov_dump can be called just
5605 once and that __gcov_reset resets run-time counters.
5607 2021-05-26 Martin Liska <mliska@suse.cz>
5609 * doc/install.texi: Port relevant part from install-old.texi
5610 and re-generate list of CPUs and systems.
5612 2021-05-26 Martin Liska <mliska@suse.cz>
5614 * Makefile.in: Remove it.
5615 * doc/include/fdl.texi: Update next/previous chapters.
5616 * doc/install.texi: Likewise.
5617 * doc/install-old.texi: Removed.
5619 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5621 * config/csky/csky.c (ck810_legitimate_index_p): Support
5622 "base + index" with DF mode.
5623 * config/csky/constraints.md ("Y"): New constraint for memory operands
5624 without index register.
5625 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
5626 when mov between memory and general registers, and lower their priority.
5627 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
5629 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5631 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
5633 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5635 * config/csky/csky.md (untyped_call): Emit clobber for return
5636 registers to mark them used.
5638 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5640 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
5642 2021-05-26 Andrew Pinski <apinski@marvell.com>
5644 * match.pd (x < 0 ? ~y : y): New patterns.
5646 2021-05-26 Andrew Pinski <apinski@marvell.com>
5648 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
5649 A?POW2:0 and A?0:POW2.
5651 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5653 * gimple-range-gori.cc (class logical_stmt_cache): Delete
5654 (logical_stmt_cache::logical_stmt_cache ): Delete.
5655 (logical_stmt_cache::~logical_stmt_cache): Delete.
5656 (logical_stmt_cache::cache_entry::dump): Delete.
5657 (logical_stmt_cache::get_range): Delete.
5658 (logical_stmt_cache::cached_name ): Delete.
5659 (logical_stmt_cache::same_cached_name): Delete.
5660 (logical_stmt_cache::cacheable_p): Delete.
5661 (logical_stmt_cache::slot_diagnostics ): Delete.
5662 (logical_stmt_cache::dump): Delete.
5663 (gori_compute_cache::gori_compute_cache): Delete.
5664 (gori_compute_cache::~gori_compute_cache): Delete.
5665 (gori_compute_cache::compute_operand_range): Delete.
5666 (gori_compute_cache::cache_stmt): Delete.
5667 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
5669 (class gori_compute_cache): Delete.
5671 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5673 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
5675 (fold_using_range::range_of_address): Adjust.
5676 (fold_using_range::range_of_phi): Adjust.
5677 * gimple-range.h (class fur_source): Adjust.
5678 (fur_source::fur_source): Adjust.
5680 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5682 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
5683 from expr_range_in_bb and adjust.
5684 (gori_compute::compute_name_range_op): Adjust.
5685 (gori_compute::optimize_logical_operands): Adjust.
5686 (gori_compute::compute_logical_operands_in_chain): Adjust.
5687 (gori_compute::compute_operand1_range): Adjust.
5688 (gori_compute::compute_operand2_range): Adjust.
5689 (ori_compute_cache::cache_stmt): Adjust.
5690 * gimple-range-gori.h (gori_compute): Rename prototype.
5692 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5694 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
5695 checked only after range_of_stmt, not range_on_entry.
5696 (gimple_ranger::range_on_entry): Check for non-null in any
5697 predecessor block, if it is not already non-null.
5698 (gimple_ranger::range_on_exit): DOnt check for non-null after
5699 range on entry call.
5700 (gimple_ranger::dump_bb): New. Split from dump.
5701 (gimple_ranger::dump): Adjust.
5702 * gimple-range.h (class gimple_ranger): Adjust.
5704 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5706 * gimple-range-cache.cc (struct range_timestamp): Delete.
5707 (class temporal_cache): Adjust.
5708 (temporal_cache::get_timestamp): Delete.
5709 (temporal_cache::set_dependency): Delete.
5710 (temporal_cache::temporal_value): Adjust.
5711 (temporal_cache::current_p): Take dependencies as params.
5712 (temporal_cache::set_timestamp): Adjust.
5713 (temporal_cache::set_always_current): Adjust.
5714 (ranger_cache::get_non_stale_global_range): Adjust.
5715 (ranger_cache::register_dependency): Delete.
5716 * gimple-range-cache.h (class range_cache): Adjust.
5718 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5720 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
5722 (range_def_chain::~range_def_chain): Dispose of obstack rather than
5723 each individual bitmap.
5724 (range_def_chain::set_import): New.
5725 (range_def_chain::get_imports): New.
5726 (range_def_chain::chain_import_p): New.
5727 (range_def_chain::register_dependency): Rename from build_def_chain
5729 (range_def_chain::def_chain_in_bitmap_p): New.
5730 (range_def_chain::add_def_chain_to_bitmap): New.
5731 (range_def_chain::has_def_chain): Just check first depenedence.
5732 (range_def_chain::get_def_chain): Process imports, use generic
5733 register_dependency routine.
5734 (range_def_chain::dump): New.
5735 (gori_map::gori_map): Allocate import list.
5736 (gori_map::~gori_map): Release imports.
5737 (gori_map::exports): Check for past allocated block size.
5738 (gori_map::imports): New.
5739 (gori_map::def_chain_in_export_p): Delete.
5740 (gori_map::is_import_p): New.
5741 (gori_map::maybe_add_gori): Handle imports.
5742 (gori_map::dump): Adjust output, add imports.
5743 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
5744 (gori_export_iterator::gori_export_iterator): New.
5745 (gori_export_iterator::next): New.
5746 (gori_export_iterator::get_name): New.
5747 * gimple-range-gori.h (range_def_chain): Add imports and direct
5748 dependecies via struct rdc.
5749 (range_def_chain::depend1): New.
5750 (range_def_chain::depend2): New.
5751 (class gori_map): Adjust.
5752 (FOR_EACH_GORI_IMPORT_NAME): New.
5753 (FOR_EACH_GORI_EXPORT_NAME): New.
5754 (class gori_export_iterator): New.
5756 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5758 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
5759 export cache filling to here.
5760 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
5762 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5764 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
5765 (gori_map): Move to gimple-range-gori.h.
5766 (gori_compute::gori_compute): Adjust.
5767 (gori_compute::~gori_compute): Delete.
5768 (gori_compute::compute_operand_range_switch): Adjust.
5769 (gori_compute::compute_operand_range): Adjust.
5770 (gori_compute::compute_logical_operands): Adjust.
5771 (gori_compute::has_edge_range_p ): Adjust.
5772 (gori_compute::set_range_invariant): Delete.
5773 (gori_compute::dump): Adjust.
5774 (gori_compute::outgoing_edge_range_p): Adjust.
5775 * gimple-range-gori.h (class range_def_chain): Relocate here.
5776 (class gori_map): Relocate here.
5777 (class gori_compute): Inherit from gori_map, and adjust.
5779 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
5781 * value-range.cc (range_tests_legacy): Use
5782 build_nonstandard_integer_type instead of int and short.
5784 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
5786 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
5787 when really creating an initialization statement for it.
5789 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
5791 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
5793 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
5795 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
5797 2021-05-25 Martin Liska <mliska@suse.cz>
5799 PR tree-optimization/92860
5801 * optc-save-gen.awk: Remove exceptions.
5803 2021-05-25 Martin Liska <mliska@suse.cz>
5805 * asan.h (sanitize_coverage_p): New function.
5806 * doc/extend.texi: Document it.
5807 * fold-const.c (fold_range_test): Use sanitize_flags_p
5808 instead of flag_sanitize_coverage.
5809 (fold_truth_andor): Likewise.
5810 * sancov.c: Likewise.
5811 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
5812 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
5813 -fsanitize-coverage when inlining.
5815 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
5817 * config/csky/csky-modes.def : Fix copyright.
5819 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
5821 * config/csky/csky-modes.def : Amend copyright.
5822 * config/csky/csky_insn_fpuv2.md : Likewise.
5823 * config/csky/csky_insn_fpuv3.md : Likewise.
5825 2021-05-25 Richard Biener <rguenther@suse.de>
5827 PR middle-end/100727
5828 * calls.c (initialize_argument_information): Explicitely test
5830 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
5832 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5834 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
5835 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
5836 the signle definition. The signle definition may not work well
5837 at simplify_subreg_regno().
5838 (HARD_FRAME_POINTER_REGNUM): New.
5839 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
5840 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
5841 csky_initial_elimination_offset, csky_expand_prologue,
5842 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
5844 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5846 * config/csky/csky.c (csky_option_override):
5847 Init csky_arch_isa_features[] in advance, so TARGET_DSP
5848 and TARGET_DIV can be set well.
5850 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5852 * config/csky/constraints.md ("l", "h"): Delete.
5853 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
5854 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
5855 * config/csky/csky.c (regno_reg_classm,
5856 csky_secondary_reload, csky_register_move_cost):
5857 Use HILO_REGS instead of LO_REGS and HI_REGS.
5859 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5861 * config/csky/constraints.md ("W"): New constriant for mem operand
5862 with base reg, index register.
5863 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
5864 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
5866 ("Dv"): New constraint for const double value that can be used at
5868 * config/csky/csky-modes.def (HFmode): New mode.
5869 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
5870 to "csky_valid_mem_constraint_operand" and support new constraint
5872 (csky_get_movedouble_length): New.
5873 (fpuv3_output_move): New.
5874 (fpuv3_const_double): New.
5875 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
5876 (decompose_csky_address): Refine.
5877 (csky_print_operand): New "CONST_DOUBLE" operand.
5878 (csky_output_move): Support fpv3 instructions.
5879 (csky_get_movedouble_length): New.
5880 (fpuv3_output_move): New.
5881 (fpuv3_const_double): New.
5882 (csky_emit_compare): Cover float comparsion.
5883 (csky_emit_compare_float): Refine.
5884 (csky_vaild_fpuv2_mem_operand): Rename to
5885 "csky_valid_mem_constraint_operand" and support new constraint "W".
5886 (ck860_rtx_costs): New.
5887 (csky_rtx_costs): Add the cost calculation of CK860.
5888 (regno_reg_class): New vregs for fpuv3.
5889 (csky_dbx_regno): Likewise.
5890 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
5891 (csky_conditional_register_usage): Suporrot fpuv3.
5892 (csky_dwarf_register_span): Suporrot fpuv3.
5893 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
5894 (ck810_legitimate_index_p): Support fp16.
5895 * config/csky/csky.h (TARGET_TLS): ADD CK860.
5896 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
5897 (TARGET_SINGLE_FPU): Support fpuv3.
5898 (TARGET_SUPPORT_FPV3): New.
5899 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
5900 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
5901 REG_CLASS_CONTENTS): Support fpuv3.
5902 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
5903 (csky_movsf_fpv2): Likewise.
5904 (ck801_movsf): Likewise.
5905 (csky_movsf): Likewise.
5907 (csky_movdf_fpv2): Likewise.
5908 (ck801_movdf): Likewise.
5909 (csky_movdf): Likewise.
5910 (movsicc): Refine. Use "comparison_operatior" instead of
5911 "ordered_comparison_operatior".
5912 (addsicc): Likewise.
5913 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
5914 (call_value_internal_vh): New.
5915 * config/csky/csky_cores.def (CK860): New arch and cpu.
5920 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
5921 into emit-patterns and match-patterns, remain the emit-patterns here,
5922 and move the match-patterns to csky_insn_fpuv2.md or
5924 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
5925 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
5927 * config/csky/csky_isa.def (fcr): New.
5932 (CK860): New definition for ck860.
5933 * config/csky/csky_tables.opt (ck860): New processors ck860,
5934 ck860f. And new arch ck860.
5939 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
5940 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
5941 * config/csky/t-csky-elf: Support 860.
5942 * config/csky/t-csky-linux: Likewise.
5943 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
5945 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
5947 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
5948 add generation of logical-add and add-logical fusion pairs.
5949 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
5951 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
5952 logical-add and add-logical fusion by default.
5953 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
5954 -mpower10-fusion-add-logical options.
5955 * config/rs6000/fusion.md: Regenerate file.
5957 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
5959 * value-range.cc (irange::legacy_equal_p): Check type when
5960 comparing VR_VARYING types.
5961 (range_tests_legacy): Test comparing VARYING ranges of different
5964 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
5966 * config/aarch64/aarch64.c (neoversen1_tunings):
5967 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
5969 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
5971 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
5972 extern weak symbols. Limit symbol offsets for non-GOT symbols with
5975 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
5977 * config/arm/neon.md (vec_load_lanesxi<mode>)
5978 (vec_store_lanexoi<mode>): Move ...
5979 * config/arm/vec-common.md: here.
5981 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
5983 * config/arm/neon.md (vec_load_lanesoi<mode>)
5984 (vec_store_lanesoi<mode>): Move ...
5985 * config/arm/vec-common.md: here.
5987 2021-05-24 liuhongt <hongtao.liu@intel.com>
5990 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
5991 stmt with GIMPLE_NOP when lhs doesn't exist.
5993 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
5996 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
5997 New instruction pattern.
5998 (*push<VI_32:mode>2): Ditto.
5999 (push splitter for SSE registers): New splitter.
6001 2021-05-23 Andrew Pinski <apinski@marvell.com>
6003 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
6005 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
6007 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
6008 * config/rs6000/fusion.md: Regenerate file.
6010 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
6012 * config/rs6000/genfusion.pl (gen_addadd): New function.
6013 * config/rs6000/fusion.md: Regenerate file.
6014 * config/rs6000/rs6000-cpus.def: Add
6015 OPTION_MASK_P10_FUSION_2ADD to masks.
6016 * config/rs6000/rs6000.c (rs6000_option_override_internal):
6017 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
6018 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
6020 2021-05-21 Jakub Jelinek <jakub@redhat.com>
6023 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
6024 * gimplify.c (enum gimplify_omp_var_data): Fix up
6025 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
6026 (omp_lastprivate_for_combined_outer_constructs): If combined target
6027 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
6028 GOVD_MAP | GOVD_SEEN.
6029 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
6030 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
6031 (gimplify_adjust_omp_clauses): For firstprivate clauses with
6032 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
6033 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
6034 let it be replaced by implicit map clause.
6036 2021-05-21 Jakub Jelinek <jakub@redhat.com>
6039 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
6041 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
6042 (gimplify_omp_for): Likewise.
6044 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6047 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
6048 'external' in blocks.
6050 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6053 * flag-types.h (enum openacc_privatization): New.
6054 * params.opt (-param=openacc-privatization): New.
6055 * doc/invoke.texi (openacc-privatization): Document it.
6056 * omp-general.h (get_openacc_privatization_dump_flags): New
6058 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
6059 * omp-offload.c (execute_oacc_device_lower)
6060 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
6061 * target.def (goacc.adjust_private_decl): Add 'location_t'
6063 * doc/tm.texi: Regenerate.
6064 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
6065 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
6066 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
6067 Likewise. Preserve it for...
6068 (nvptx_goacc_expand_var_decl): ... use here.
6070 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6072 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
6075 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6078 * omp-low.c (oacc_privatization_candidate_p): New function.
6079 (oacc_privatization_scan_clause_chain)
6080 (oacc_privatization_scan_decl_chain): Use it. Also
6081 'gcc_checking_assert' that we're not seeing duplicates.
6083 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6086 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
6089 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6092 * omp-offload.c (execute_oacc_device_lower): Explain.
6094 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6097 * omp-offload.c (execute_oacc_device_lower)
6098 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
6100 * internal-fn.c (expand_UNIQUE): Don't expect
6101 'IFN_UNIQUE_OACC_PRIVATE'.
6103 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6106 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
6108 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
6111 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
6112 (nvptx_goacc_expand_var_decl): Tighten.
6114 2021-05-21 Julian Brown <julian@codesourcery.com>
6115 Chung-Lin Tang <cltang@codesourcery.com>
6116 Thomas Schwinge <thomas@codesourcery.com>
6119 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
6120 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
6121 * doc/tm.texi: Regenerate.
6122 * expr.c (expand_expr_real_1): Expand decls using the
6123 expand_var_decl OpenACC hook if defined.
6124 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
6125 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
6126 * omp-low.c (omp_context): Add oacc_privatization_candidates
6128 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
6130 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
6131 private marker's gimple call arguments, and pass it to
6132 lower_oacc_reductions.
6133 (oacc_privatization_scan_clause_chain)
6134 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
6136 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
6137 * omp-offload.c (convert.h): Include.
6138 (oacc_loop_xform_head_tail): Treat private-variable markers like
6139 fork/join when transforming head/tail sequences.
6140 (struct var_decl_rewrite_info): Add struct.
6141 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
6142 (execute_oacc_device_lower): Support rewriting gang-private
6143 variables using target hook, and fix up addr_expr and var_decl
6145 * target.def (adjust_private_decl, expand_var_decl): New hooks.
6146 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
6148 (gcn_goacc_adjust_private_decl): ...this.
6149 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
6151 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
6152 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
6153 definition using gcn_goacc_adjust_gangprivate_decl...
6154 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
6155 gcn_goacc_adjust_private_decl.
6156 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
6157 (gang_private_shared_size): New global variable.
6158 (gang_private_shared_align): Likewise.
6159 (gang_private_shared_sym): Likewise.
6160 (gang_private_shared_hmap): Likewise.
6161 (nvptx_option_override): Initialize these.
6162 (nvptx_file_end): Output gang_private_shared_sym.
6163 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
6165 (nvptx_set_current_function): Clear gang_private_shared_hmap.
6166 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
6167 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
6169 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
6171 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
6173 2021-05-21 Richard Biener <rguenther@suse.de>
6174 H.J. Lu <hjl.tools@gmail.com>
6177 * expr.c (expand_constructor): Elide expand_constructor if
6178 move by pieces is preferred.
6180 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6182 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
6183 Take a flag and mode value as arguments.
6184 (aarch64_modifies_global_state_p): Likewise.
6185 (aarch64_reads_global_state_p): Likewise.
6186 (aarch64_could_trap_p): Likewise.
6187 (aarch64_get_attributes): Likewise.
6188 (aarch64_init_simd_builtins): Adjust callsite of above.
6189 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
6190 function attributes to apply to builtins.
6191 (aarch64_init_crc32_builtins): Likewise.
6192 (aarch64_init_builtin_rsqrt): Likewise.
6194 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
6196 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
6197 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
6198 (gen_2logical): Use new fusion types.
6199 * config/rs6000/fusion.md: Regenerate.
6201 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
6204 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
6205 Handle V4QI and V2HI modes.
6206 (ix86_expand_sse_movcc): Ditto.
6207 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
6208 New instruction pattern.
6209 (*eq<VI_32:mode>3): Ditto.
6210 (*gt<VI_32:mode>3): Ditto.
6211 (*xop_pcmov_<VI_32:mode>): Ditto.
6212 (mmx_pblendvb32): Ditto.
6213 (mmx_pblendvb64): Rename from mmx_pblendvb.
6214 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
6215 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
6216 (vcond<VI_32:mode><VI_32:mode>): Ditto.
6217 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
6218 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
6220 2021-05-21 Jakub Jelinek <jakub@redhat.com>
6222 PR tree-optimization/94589
6223 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
6224 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
6225 not the same as cmp3) treat <= the same as < and >= the same as >.
6226 Don't require that cond2_phi_edge is true edge, instead take
6227 false/true edges into account based on cmp1/cmp2 comparison kinds.
6229 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
6232 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
6233 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
6234 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
6235 using SMAXMIN_MMXMODEI mode iterator.
6236 (*<smaxmin:code>v4qi3): New insn pattern.
6237 (*<smaxmin:code>v2hi3): Ditto.
6238 (SMAXMIN_VI_32): New mode iterator.
6239 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
6240 (UMAXMIN_MMXMODEI): New mode iterator.
6241 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
6242 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
6243 using UMAXMIN_MMXMODEI mode iterator.
6244 (*<umaxmin:code>v4qi3): New insn pattern.
6245 (*<umaxmin:code>v2hi3): Ditto.
6246 (UMAXMIN_VI_32): New mode iterator.
6247 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
6248 (abs<VI_32:mode>2): New insn pattern.
6249 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
6250 * config/i386/sse.md: ... here.
6252 2021-05-20 Clement Chigot <clement.chigot@atos.net>
6253 David Edelsohn <dje.gcc@gmail.com>
6255 * collect2.c (scan_prog_file): Issue non-fatal warning for
6258 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
6260 * doc/invoke.texi (-Wno-c++11-extensions)
6261 (-Wno-c++14-extensions, -Wno-c++17-extensions)
6262 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
6265 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
6267 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
6268 * config/darwin.c (darwin_override_options): Likewise.
6269 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
6270 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
6271 (DWARF2_FRAME_REG_OUT): Likewise.
6272 * config/mips/mips.c (mips_output_filename): Likewise.
6273 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
6275 (rs6000_dbx_register_number): Likewise.
6276 * dbxout.c: Include flags.h.
6277 * dwarf2cfi.c (cfi_label_required_p): Likewise.
6278 (dwarf2out_do_frame): Likewise.
6279 * except.c: Include flags.h.
6280 * final.c (dwarf2_debug_info_emitted_p): Likewise.
6281 (final_scan_insn_1): Likewise.
6282 * flags.h (dwarf_debuginfo_p): New function declaration.
6283 * opts.c (dwarf_debuginfo_p): New function definition.
6284 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
6285 * toplev.c (process_options): Likewise.
6287 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
6289 * common.opt: Change type to support bitmasks.
6290 * flag-types.h (enum debug_info_type): Rename enumerator constants.
6291 (NO_DEBUG): New bitmask.
6292 (DBX_DEBUG): Likewise.
6293 (DWARF2_DEBUG): Likewise.
6294 (XCOFF_DEBUG): Likewise.
6295 (VMS_DEBUG): Likewise.
6296 (VMS_AND_DWARF2_DEBUG): Likewise.
6297 * flags.h (debug_set_to_format): New function declaration.
6298 (debug_set_count): Likewise.
6299 (debug_set_names): Likewise.
6300 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
6301 (debug_set_to_format): New function definition.
6302 (debug_set_count): Likewise.
6303 (debug_set_names): Likewise.
6304 (set_debug_level): Update access to debug_type_names.
6305 * toplev.c: Likewise.
6307 2021-05-20 Martin Sebor <msebor@redhat.com>
6309 PR middle-end/100684
6310 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
6312 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
6315 * config/i386/i386.md (isa): Remove x64_bmi.
6316 (enabled): Remove x64_bmi.
6317 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
6318 Remove general register alternative.
6319 (*andnot<VI_32:mode>3): Ditto.
6320 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
6321 (*<any_logic:code><VI_32:mode>3): Ditto.
6323 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
6325 * config/arm/arm.c: Include head files tree-vectorizer.h and
6328 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
6331 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
6332 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
6333 (<s>mulv4hi3_highpart): New expander.
6334 (*<s>mulv2hi3_highpart): New insn pattern.
6335 (<s>mulv2hi3_higpart): New expander.
6336 (*<any_shift:insn>v2hi3): New insn pattern.
6337 (<any_shift:insn>v2hi3): New expander.
6338 * config/i386/sse.md (smulhrsv2hi3): New expander.
6339 (*smulhrsv2hi3): New insn pattern.
6341 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
6343 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
6345 * params.opt (vect-inner-loop-cost-factor): New.
6346 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
6347 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
6348 tree-vectorizer.h and its required ones.
6349 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
6350 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
6351 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
6352 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
6353 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
6354 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
6356 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
6357 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
6358 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
6360 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
6361 Torbjörn Svensson <torbjorn.svensson@st.com>
6364 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
6366 2021-05-20 Jakub Jelinek <jakub@redhat.com>
6369 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
6370 explicit linear clause when combined with target, make it map(tofrom:)
6371 instead of no clause or firstprivate.
6373 2021-05-20 Jakub Jelinek <jakub@redhat.com>
6375 PR tree-optimization/94589
6376 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
6377 of integral conversions.
6379 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
6381 * gimple-range.cc (fur_source::get_operand): New.
6382 (gimple_range_fold): Delete.
6383 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
6384 (fold_using_range::range_of_range_op): Move from gimple_ranger.
6385 (fold_using_range::range_of_address): Ditto.
6386 (fold_using_range::range_of_phi): Ditto.
6387 (fold_using_range::range_of_call): Ditto.
6388 (fold_using_range::range_of_builtin_ubsan_call): Move from
6389 range_of_builtin_ubsan_call.
6390 (fold_using_range::range_of_builtin_call): Move from
6391 range_of_builtin_call.
6392 (gimple_ranger::range_of_builtin_call): Delete.
6393 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
6394 (gimple_ranger::fold_range_internal): New.
6395 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
6396 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
6397 gimple_ranger. Improve ranges of SSA_NAMES when possible.
6398 * gimple-range.h (gimple_ranger): Remove various range_of routines.
6399 (class fur_source): New.
6400 (class fold_using_range): New.
6401 (fur_source::fur_source): New.
6403 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
6404 instead of range_of_builtin_call.
6406 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
6408 * doc/cpp.texi (Common Predefined Macros): Update documentation
6409 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
6411 2021-05-19 Alex Coplan <alex.coplan@arm.com>
6414 * config/arm/arm.md (nonsecure_call_internal): Always ensure
6415 callee's address is in a register.
6417 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
6419 * common/config/riscv/riscv-common.c
6420 (riscv_subset_list::parsing_subset_version): Properly parse the letter
6422 (riscv_subset_list::parse_std_ext,
6423 riscv_subset_list::parse_multiletter_ext): To handle errors generated
6424 in riscv_subset_list::parsing_subset_version.
6426 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6428 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
6429 type attribute in patterns generating XTN(2).
6431 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6433 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
6434 Remove as duplicate of...
6435 (aarch64_xtn<mode>): This.
6436 (aarch64_xtn2<mode>_le): Move position in file.
6437 (aarch64_xtn2<mode>_be): Move position in file.
6438 (aarch64_xtn2<mode>): Move position in file.
6439 (vec_pack_trunc_<mode>): Define as an expander.
6441 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6443 * config/aarch64/aarch64-simd-builtins.def: Split builtin
6444 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
6445 separate scalar and vector generators.
6446 * config/aarch64/aarch64-simd.md
6447 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
6449 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
6450 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
6451 * config/aarch64/iterators.md: Define SD_HSDI iterator.
6453 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
6455 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
6457 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
6459 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6461 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
6462 Implement as an expand emitting a big/little endian
6463 instruction pattern.
6464 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
6465 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
6467 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6469 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
6470 Implement as an expand emitting a big/little endian
6471 instruction pattern.
6472 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
6473 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
6474 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
6475 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
6477 2021-05-19 Richard Biener <rguenther@suse.de>
6479 PR middle-end/100672
6480 * fold-const.c (fold_negate_expr_1): Use element_precision.
6481 (negate_expr_p): Likewise.
6483 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
6485 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
6486 (pred_load): New int attribute.
6487 * config/aarch64/aarch64-sve.md
6488 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
6489 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
6490 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
6491 code_for_aarch64_load.
6493 2021-05-19 Richard Biener <rguenther@suse.de>
6495 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
6496 sure TARGET_MEM_REF bases are expanded as memory.
6497 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
6498 Do not mark TARGET_MEM_REF bases addressable.
6499 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
6500 TARGET_MEM_REF bases as never rewritable.
6501 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
6502 walk TARGET_MEM_REF bases as address-takens.
6503 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
6505 2021-05-19 Richard Biener <rguenther@suse.de>
6507 * builtins.c (get_object_alignment_1): Strip outer
6509 * tree-dfa.c (get_ref_base_and_extent): Handle outer
6510 WITH_SIZE_EXPR for size processing and process the
6512 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
6513 outer WITH_SIZE_EXPR.
6514 (ao_ref_base_alias_ptr_type): Likewise.
6515 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
6516 and handle that accordingly, stripping it for the
6518 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
6519 looking through it instead of returning NULL.
6521 2021-05-19 Jakub Jelinek <jakub@redhat.com>
6523 PR middle-end/100576
6524 * builtins.c (check_read_access): Convert bound to size_type_node if
6527 2021-05-19 Richard Biener <rguenther@suse.de>
6529 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
6530 (verify_types_in_gimple_reference): ... here. Sanitize.
6531 (verify_gimple_call): Verify references in LHS and arguments.
6532 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
6534 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
6536 * config/i386/i386.h (VALID_INT_MODE_P):
6537 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
6538 * config/i386/i386.md (isa): Add x64_bmi.
6539 (enabled): Handle x64_bmi.
6540 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
6541 Add alternative using 64bit general registers.
6542 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
6544 2021-05-19 Jakub Jelinek <jakub@redhat.com>
6547 * tree.h (OMP_MASTER_COMBINED): Define.
6548 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
6549 handling for outer combined/composite constructs to a loop.
6550 Handle lastprivate on combined target.
6551 (gimplify_expr): Formatting fix.
6553 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
6555 * passes.def: Add sink_code pass before store_merging.
6556 * tree-ssa-sink.c (pass_sink_code:clone): New.
6558 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
6560 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
6561 rs6000_special_adjust_field_align_p.
6562 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
6563 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
6565 (rs6000_function_arg): Likewise.
6566 * config/rs6000/rs6000-protos.h
6567 (rs6000_special_adjust_field_align_p): Remove prototype.
6568 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
6570 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
6571 rs6000_special_adjust_field_align_p.
6573 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6576 * config/i386/i386.h (VALID_SSE2_REG_MODE):
6577 Add V4QI and V2HI modes.
6578 (VALID_INT_MODE_P): Ditto.
6579 * config/i386/mmx.md (VI_32): New mode iterator.
6580 (mmxvecsize): Handle V4QI and V2HI.
6582 (mov<VI_32:mode>): New expander.
6583 (*mov<mode>_internal): New insn pattern.
6584 (movmisalign<VI_32:mode>): New expander.
6585 (neg<VI_32:mode>): New expander.
6586 (<plusminus:insn><VI_32:mode>3): New expander.
6587 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
6588 (mulv2hi3): New expander.
6589 (*mulv2hi3): New insn pattern.
6590 (one_cmpl<VI_32:mode>2): New expander.
6591 (*andnot<VI_32:mode>3): New insn pattern.
6592 (<any_logic:code><VI_32:mode>3): New expander.
6593 (*<any_logic:code><VI_32:mode>3): New insn pattern.
6595 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6597 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
6598 Fix a mode mismatch with operand 1.
6600 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6603 * config/i386/i386-expand.c (split_double_mode): Return
6604 temporary register when simplify_gen_subreg fails with
6605 the high half od the paradoxical subreg.
6607 2021-05-18 Richard Biener <rguenther@suse.de>
6609 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
6610 and honor it when expanding.
6611 (expand_used_vars_for_block): Pass through forced_stack_var.
6612 (expand_used_vars): Likewise.
6613 (discover_nonconstant_array_refs_r): Set bits in
6614 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
6615 (avoid_type_punning_on_regs): Likewise.
6616 (discover_nonconstant_array_refs): Likewise.
6617 (pass_expand::execute): Create and pass down forced_stack_var
6618 bitmap. For parameters and returns temporarily set
6619 TREE_ADDRESSABLE when expand_function_start.
6621 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
6623 * doc/sourcebuild.texi: Document 'dg-note'.
6625 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
6628 * configure: Regenerate.
6629 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
6631 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
6633 * gimple.h (is_gimple_omp_oacc): Tighten.
6634 * omp-low.c (check_omp_nesting_restrictions): Adjust.
6636 2021-05-18 Richard Biener <rguenther@suse.de>
6638 * tree-ssa-operands.c (mark_address_taken): Simplify.
6640 2021-05-18 Martin Liska <mliska@suse.cz>
6642 * config/gcn/mkoffload.c (STR): Redefine.
6643 * config/i386/intelmic-mkoffload.c (STR): Likewise.
6644 * config/nvptx/mkoffload.c (STR): Likewise.
6646 2021-05-18 Martin Liska <mliska@suse.cz>
6648 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
6649 Use startswith function instead of strncmp.
6650 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6651 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
6652 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
6653 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
6654 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
6655 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
6656 * config/arm/arm.c (arm_file_start): Likewise.
6657 (arm_valid_target_attribute_rec): Likewise.
6658 (thumb1_md_asm_adjust): Likewise.
6659 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
6660 * config/avr/avr.c (STR_PREFIX_P): Likewise.
6661 (avr_set_current_function): Likewise.
6662 (avr_handle_addr_attribute): Likewise.
6663 (avr_asm_output_aligned_decl_common): Likewise.
6664 (avr_asm_named_section): Likewise.
6665 (avr_section_type_flags): Likewise.
6666 (avr_asm_select_section): Likewise.
6667 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
6668 (c6x_section_type_flags): Likewise.
6669 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
6670 (darwin_objc_declare_unresolved_class_reference): Likewise.
6671 (darwin_objc_declare_class_definition): Likewise.
6672 * config/darwin.c (indirect_data): Likewise.
6673 (darwin_encode_section_info): Likewise.
6674 (darwin_objc2_section): Likewise.
6675 (darwin_objc1_section): Likewise.
6676 (machopic_select_section): Likewise.
6677 (darwin_globalize_label): Likewise.
6678 (darwin_label_is_anonymous_local_objc_name): Likewise.
6679 (darwin_asm_named_section): Likewise.
6680 (darwin_asm_output_dwarf_offset): Likewise.
6681 * config/frv/frv.c (frv_string_begins_with): Likewise.
6682 (frv_in_small_data_p): Likewise.
6683 * config/gcn/mkoffload.c (STR): Likewise.
6685 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
6686 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
6687 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
6688 (ix86_md_asm_adjust): Likewise.
6689 * config/i386/intelmic-mkoffload.c (STR): Likewise.
6690 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
6691 (i386_pe_file_end): Likewise.
6692 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
6693 (ia64_section_type_flags): Likewise.
6694 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
6695 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
6696 (mips16_stub_function_p): Likewise.
6697 (mips_function_rodata_section): Likewise.
6698 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
6699 (msp430_function_section): Likewise.
6700 (msp430_section_type_flags): Likewise.
6701 (msp430_expand_helper): Likewise.
6702 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
6703 (nios2_valid_target_attribute_rec): Likewise.
6704 * config/nvptx/mkoffload.c (process): Likewise.
6706 * config/pa/som.h: Likewise.
6707 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
6708 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
6709 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
6710 (rs6000_inner_target_options): Likewise.
6711 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
6712 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
6713 * config/vax/vax.c (vax_output_int_move): Likewise.
6714 * config/vms/vms-ld.c (startswith): Likewise.
6715 (process_args): Likewise.
6717 * config/vms/vms.c: Likewise.
6719 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6721 PR rtl-optimization/100590
6722 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
6723 they are NONJUMP_INSN_P.
6725 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6728 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
6729 DECL_ASSEMBLER_NAME on the fn_decl.
6731 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6733 PR tree-optimization/94589
6734 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
6735 phi result used in (res & ~1) == 0 comparison as res >= 0 as
6736 res == 2 would be UB with -ffinite-math-only.
6738 2021-05-18 Martin Liska <mliska@suse.cz>
6740 * Makefile.in: genversion.o should depend on DATESTAMP.
6742 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
6744 * config/arc/simdext.md (negv2si2): Remove round bracket.
6746 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
6748 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
6749 _Bool as macro expanding to _Bool.
6751 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
6754 * tree.c (build_reference_type_for_mode)
6755 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
6757 (build_reference_type, build_pointer_type): Invoke
6758 build_*_type_for_mode with VOIDmode.
6760 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
6762 PR tree-optimization/100512
6763 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
6764 and non-zero pointer ranges as invariant.
6765 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
6766 processing from here.
6768 2021-05-17 Tom de Vries <tdevries@suse.de>
6771 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
6772 * config/nvptx/nvptx.c (nvptx_output_barrier)
6773 (nvptx_output_atomic_insn): New function.
6774 (nvptx_print_operand): Add support for 'B'.
6775 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
6778 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
6780 PR tree-optimization/100349
6781 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
6784 2021-05-17 Tamar Christina <tamar.christina@arm.com>
6786 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
6787 (host_detect_local_cpu): Use it.
6789 2021-05-17 Martin Liska <mliska@suse.cz>
6791 * doc/invoke.texi: Add 2 missing dots.
6793 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
6796 * configure.ac: Replace pattern substitution with call to sed.
6797 * configure: Regenerate.
6799 2021-05-17 Richard Biener <rguenther@suse.de>
6801 PR middle-end/100582
6802 * tree.c (array_at_struct_end_p): Get to the base of the
6803 reference before looking for the underlying decl.
6805 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
6807 * genoutput.c (validate_insn_alternatives) Make "wrong number of
6808 alternatives" message more specific, and remove assumption on where
6811 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6813 * config/arm/iterators.md (V16): New iterator.
6814 (VH_cvtto): New iterator.
6815 (v_cmp_result): Added V4HF and V8HF support.
6816 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
6817 (vcond<mode><mode>): Likewise.
6818 (vcond_mask_<mode><v_cmp_result>): Likewise.
6819 (vcond<VH_cvtto><mode>): New expander.
6821 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6823 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
6825 * config/arm/arm.c (arm_expand_vector_compare): Add support for
6827 (arm_expand_vcond): Likewise.
6828 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
6829 VCMPEQQ_N_S, VCMPNEQ_N_S.
6830 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
6831 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
6832 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
6833 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
6834 (@mve_vpselq_<supf><mode>): Likewise.
6835 (@mve_vpselq_f<mode>"): Likewise.
6836 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
6837 and move to vec-common.md.
6838 (vec_cmpu<mode><mode>): Likewise.
6839 (vcond<mode><mode>): Likewise.
6840 (vcond<V_cvtto><mode>): Likewise.
6841 (vcondu<mode><v_cmp_result>): Likewise.
6842 (vcond_mask_<mode><v_cmp_result>): Likewise.
6843 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
6844 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
6845 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
6846 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
6847 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
6848 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
6850 (vec_cmpu<mode><mode>): Likewise.
6851 (vcond<mode><mode>): Likewise.
6852 (vcond<V_cvtto><mode>): Likewise.
6853 (vcondu<mode><v_cmp_result>): Likewise.
6854 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
6857 2021-05-17 liuhongt <hongtao.liu@intel.com>
6860 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
6861 gsi_insert_seq_before instead.
6863 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6865 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
6866 (arm_sat_ok): ...this.
6868 2021-05-17 Martin Liska <mliska@suse.cz>
6870 * lto-wrapper.c (merge_flto_options): Factor out a new function.
6871 (merge_and_complain): Use it.
6872 (run_gcc): Merge also linker command line -flto=foo argument
6875 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
6877 * config/arm/arm.h (CPP_SPEC): Remove error message about
6878 -mlittle-endian/-mbig-endian conflict.
6880 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6882 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
6883 __ROP_PROTECT__ if -mrop-protect is selected.
6885 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6887 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
6888 rop_hash_save_offset and rop_hash_size.
6889 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
6890 rop_hash_size and rop_hash_save_offset.
6891 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
6892 (rs6000_emit_prologue): Emit hashst[p] in prologue.
6893 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
6894 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
6896 (hashst): New define_insn.
6897 (hashchk): Likewise.
6899 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6901 * config/rs6000/rs6000.c (rs6000_option_override_internal):
6902 Disable shrink wrap when inserting ROP-protect instructions.
6903 * config/rs6000/rs6000.opt (mrop-protect): New option.
6904 (mprivileged): Likewise.
6905 * doc/invoke.texi: Document mrop-protect and mprivileged.
6907 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
6909 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
6912 2021-05-15 Martin Jambor <mjambor@suse.cz>
6915 2021-05-13 Martin Jambor <mjambor@suse.cz>
6917 PR tree-optimization/100453
6918 * tree-sra.c (sra_modify_assign): All const base accesses do not
6919 need refreshing, not just those from decl_pool.
6920 (sra_modify_assign): Do not refresh into a const base decl.
6922 2021-05-15 Jakub Jelinek <jakub@redhat.com>
6924 PR rtl-optimization/100342
6925 * regcprop.c (copy_value): When copying a source reg in a wider
6926 mode than it has recorded for the value, adjust recorded destination
6927 mode too or punt if !REG_CAN_CHANGE_MODE_P.
6929 2021-05-14 Jason Merrill <jason@redhat.com>
6931 * intl.h: Add comments.
6933 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6935 * config/aarch64/aarch64-simd.md
6936 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
6937 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
6938 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
6939 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
6940 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
6941 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
6942 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
6943 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
6944 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
6946 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
6949 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
6950 boolean logic equivalent.
6951 (vtst_s16): Likewise.
6952 (vtst_s32): Likewise.
6953 (vtst_u8): Likewise.
6954 (vtst_u16): Likewise.
6955 (vtst_u32): Likewise.
6956 (vtst_p8): Likewise.
6957 (vtst_p16): Likewise.
6958 (vtstq_s8): Likewise.
6959 (vtstq_s16): Likewise.
6960 (vtstq_s32): Likewise.
6961 (vtstq_u8): Likewise.
6962 (vtstq_u16): Likewise.
6963 (vtstq_u32): Likewise.
6964 (vtstq_p8): Likewise.
6965 (vtstq_p16): Likewise.
6966 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
6967 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
6969 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6971 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
6972 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
6973 (aarch64_sqdmlsl2<mode>): Delete.
6974 (aarch64_sqdmlal2_lane<mode>): Merge this...
6975 (aarch64_sqdmlsl2_lane<mode>): ... And this...
6976 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
6977 (aarch64_sqdmlal2_laneq<mode>): Merge this...
6978 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
6979 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
6980 (aarch64_sqdmlal2_n<mode>): Merge this...
6981 (aarch64_sqdmlsl2_n<mode>): ... And this...
6982 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
6984 2021-05-13 Martin Sebor <msebor@redhat.com>
6986 PR middle-end/100574
6987 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
6990 2021-05-13 Martin Sebor <msebor@redhat.com>
6992 PR tree-optimization/93100
6994 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
6995 don't modify referenced objects.
6997 2021-05-13 Martin Jambor <mjambor@suse.cz>
6999 PR tree-optimization/100453
7000 * tree-sra.c (sra_modify_assign): All const base accesses do not
7001 need refreshing, not just those from decl_pool.
7002 (sra_modify_assign): Do not refresh into a const base decl.
7004 2021-05-13 Martin Liska <mliska@suse.cz>
7006 * tree-ssa-dom.c: Remove m_simplifier.
7008 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
7011 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
7012 canonicalize DImode inequality comparisons against the
7013 maximum integral value.
7015 2021-05-13 Jakub Jelinek <jakub@redhat.com>
7017 PR tree-optimization/98856
7018 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
7019 Expect V2DI and V4DI arithmetic right shifts to be emulated.
7020 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
7022 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
7023 expand_vec_perm_2perm_pblendv): New functions.
7024 (ix86_expand_vec_perm_const_1): Use them.
7025 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
7026 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
7027 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
7028 (ashrv4di3): New define_expand.
7029 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
7030 and !TARGET_AVX512VL expansion.
7032 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
7035 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
7036 sizes < 16 to a register when constructing vpcmov pattern.
7037 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
7039 2021-05-13 Martin Liska <mliska@suse.cz>
7041 * gcov-io.c (gcov_write_block): Remove.
7042 (gcov_write_words): Likewise.
7043 (gcov_read_words): Re-implement using gcov_read_bytes.
7044 (gcov_allocate): Remove.
7045 (GCOV_BLOCK_SIZE): Likewise.
7046 (struct gcov_var): Remove most of the fields.
7047 (gcov_position): Implement with ftell.
7048 (gcov_rewrite): Remove setting of start and offset fields.
7049 (from_file): Re-format.
7050 (gcov_open): Remove setbuf call. It should not be needed.
7051 (gcov_close): Remove internal buffer handling.
7052 (gcov_magic): Use __builtin_bswap32.
7053 (gcov_write_counter): Use directly gcov_write_unsigned.
7054 (gcov_write_string): Use direct fwrite and do not round
7056 (gcov_seek): Use directly fseek.
7057 (gcov_write_tag): Use gcov_write_unsigned directly.
7058 (gcov_write_length): Likewise.
7059 (gcov_write_tag_length): Likewise.
7060 (gcov_read_bytes): Use directly fread.
7061 (gcov_read_unsigned): Use gcov_read_words.
7062 (gcov_read_counter): Likewise.
7063 (gcov_read_string): Use gcov_read_bytes.
7064 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
7065 that size is not in bytes, but words (4B).
7066 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
7067 (GCOV_TAG_ARCS_LENGTH): Likewise.
7068 (GCOV_TAG_ARCS_NUM): Likewise.
7069 (GCOV_TAG_COUNTER_LENGTH): Likewise.
7070 (GCOV_TAG_COUNTER_NUM): Likewise.
7071 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
7073 2021-05-13 liuhongt <hongtao.liu@intel.com>
7076 * config/i386/sse.md (ssedoublevecmode): Add attribute for
7077 V64QI/V32HI/V16SI/V4DI.
7078 (ssehalfvecmode): Add attribute for V2DI/V2DF.
7079 (*vec_concatv4si_0): Extend to VI124_128.
7080 (*vec_concat<mode>_0): New pre-reload splitter.
7081 * config/i386/predicates.md (movq_parallel): New predicate.
7083 2021-05-13 Alexandre Oliva <oliva@adacore.com>
7085 * targhooks.c (default_zero_call_used_regs): Retry using
7086 successfully-zeroed registers as sources.
7088 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
7090 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
7092 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
7095 * gimple-range.cc (range_of_builtin_call): Skip out on
7096 processing __builtin_clz when varying.
7098 2021-05-12 Tom de Vries <tdevries@suse.de>
7101 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
7102 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
7103 to ptx_version_option.
7104 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
7105 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
7106 (define_insn "nvptx_vote_ballot"): Use sync variant for
7108 * config/nvptx/nvptx.opt (ptx_version): Add enum.
7110 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
7112 2021-05-12 Richard Biener <rguenther@suse.de>
7114 PR tree-optimization/100566
7115 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
7116 allow_back for all edge queries.
7118 2021-05-12 liuhongt <hongtao.liu@intel.com>
7121 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
7122 splitters for pblendvb of NOT mask register.
7124 2021-05-12 Richard Biener <rguenther@suse.de>
7126 PR tree-optimization/100519
7127 * tree-ssa-reassoc.c (can_associate_p): Split into...
7128 (can_associate_op_p): ... this
7129 (can_associate_type_p): ... and this.
7130 (is_reassociable_op): Call can_associate_op_p.
7131 (break_up_subtract_bb): Call the appropriate predicates.
7132 (reassociate_bb): Likewise.
7134 2021-05-12 Martin Liska <mliska@suse.cz>
7136 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
7137 (run_gcc): Use -flto argument detection for merged
7140 2021-05-12 Martin Liska <mliska@suse.cz>
7142 * lto-wrapper.c (print_lto_docs_link): New function.
7143 (run_gcc): Print warning about missing job server detection
7144 after we know NR of partitions. Do the same for -flto{,=1}.
7145 * opts.c (get_option_html_page): Support -flto option.
7147 2021-05-12 Martin Liska <mliska@suse.cz>
7149 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
7151 (append_option): Remove.
7152 (find_option): Rework to use the vector type.
7153 (remove_option): Remove.
7154 (merge_and_complain): Use vectors for cl_decoded_option data
7156 (append_compiler_options): Likewise.
7157 (append_diag_options): Likewise.
7158 (append_linker_options): Likewise.
7159 (append_offload_options): Likewise.
7160 (compile_offload_image): Likewise.
7161 (compile_images_for_offload_targets): Likewise.
7162 (find_and_merge_options): Likewise.
7163 (run_gcc): Likewise.
7165 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
7168 * dwarf2out.c (dwarf2out_finish): Set
7169 have_multiple_function_sections with multi-range text_section.
7171 2021-05-12 Martin Liska <mliska@suse.cz>
7174 * Makefile.in: Remove version.h from linker command line.
7176 2021-05-12 Richard Biener <rguenther@suse.de>
7178 PR middle-end/100547
7179 * rtl.h (rtvec_alloc): Make argument size_t.
7180 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
7182 2021-05-12 Jakub Jelinek <jakub@redhat.com>
7184 PR middle-end/100508
7185 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
7186 type, don't reuse DECL_RTL if it has different mode, instead force
7187 creation of a new DEBUG_EXPR.
7189 2021-05-12 Jakub Jelinek <jakub@redhat.com>
7190 Marc Glisse <marc.glisse@inria.fr>
7192 PR tree-optimization/94589
7193 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
7194 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
7196 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
7199 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
7200 * config/i386/mmx.md (MMXMODE124): New mode iterator.
7202 (mmxintvecmode): New mode attribute.
7203 (mmxintvecmodelower): Ditto.
7204 (*mmx_maskcmpv2sf3_comm): New insn pattern.
7205 (*mmx_maskcmpv2sf3): Ditto.
7206 (vec_cmpv2sfv2si): New expander.
7207 (vcond<V2FI:mode>v2si): Ditto.
7208 (mmx_vlendvps): New insn pattern.
7209 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
7210 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
7211 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
7213 2021-05-11 Martin Sebor <msebor@redhat.com>
7216 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
7218 2021-05-11 Richard Biener <rguenther@suse.de>
7220 * gimple-fold.c (gimple_fold_call): Do not call
7221 maybe_fold_reference on call arguments or the static chain.
7222 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
7225 2021-05-11 Martin Liska <mliska@suse.cz>
7227 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
7228 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
7229 (DEF_HSAIL_SAT_BUILTIN): Likewise.
7230 (DEF_HSAIL_INTR_BUILTIN): Likewise.
7231 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
7232 * doc/frontends.texi: Remove BRIG.
7233 * doc/install.texi: Likewise.
7234 * doc/invoke.texi: Likewise.
7235 * doc/standards.texi: Likewise.
7236 * brig-builtins.def: Removed.
7237 * brig/ChangeLog: Removed.
7238 * brig/Make-lang.in: Removed.
7239 * brig/brig-builtins.h: Removed.
7240 * brig/brig-c.h: Removed.
7241 * brig/brig-lang.c: Removed.
7242 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
7243 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
7244 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
7245 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
7246 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
7247 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
7248 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
7249 * brig/brigfrontend/brig-comment-handler.cc: Removed.
7250 * brig/brigfrontend/brig-control-handler.cc: Removed.
7251 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
7252 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
7253 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
7254 * brig/brigfrontend/brig-function-handler.cc: Removed.
7255 * brig/brigfrontend/brig-function.cc: Removed.
7256 * brig/brigfrontend/brig-function.h: Removed.
7257 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
7258 * brig/brigfrontend/brig-label-handler.cc: Removed.
7259 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
7260 * brig/brigfrontend/brig-machine.c: Removed.
7261 * brig/brigfrontend/brig-machine.h: Removed.
7262 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
7263 * brig/brigfrontend/brig-module-handler.cc: Removed.
7264 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
7265 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
7266 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
7267 * brig/brigfrontend/brig-to-generic.cc: Removed.
7268 * brig/brigfrontend/brig-to-generic.h: Removed.
7269 * brig/brigfrontend/brig-util.cc: Removed.
7270 * brig/brigfrontend/brig-util.h: Removed.
7271 * brig/brigfrontend/brig-variable-handler.cc: Removed.
7272 * brig/brigfrontend/hsa-brig-format.h: Removed.
7273 * brig/brigfrontend/phsa.h: Removed.
7274 * brig/brigspec.c: Removed.
7275 * brig/config-lang.in: Removed.
7276 * brig/gccbrig.texi: Removed.
7277 * brig/lang-specs.h: Removed.
7278 * brig/lang.opt: Removed.
7280 2021-05-11 Richard Biener <rguenther@suse.de>
7283 * ipa-param-manipulation.c
7284 (ipa_param_body_adjustments::modify_call_stmt): Avoid
7285 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
7286 via gimple_call_lhs_ptr.
7288 2021-05-11 Alex Coplan <alex.coplan@arm.com>
7291 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
7292 Avoid emitting CFA adjusts on the sp if we have the fp.
7294 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
7296 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
7297 (VMULD): New iterator.
7298 (VCOND): Handle V4HF and V8HF.
7299 (VCONQ): Fix entry for V2SF.
7300 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
7301 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
7302 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
7303 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
7304 Use a 128-bit vector mode for the indexed operand. Use stype for
7305 the scheduling type.
7307 2021-05-11 Richard Biener <rguenther@suse.de>
7309 * gimple-fold.c (maybe_fold_reference): Only return
7310 is_gimple_min_invariant values.
7312 2021-05-11 Richard Biener <rguenther@suse.de>
7314 PR middle-end/100509
7315 * gimple-fold.c (fold_gimple_assign): Only call
7316 get_symbol_constant_value on register type symbols.
7318 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
7319 Joe Ramsay <joe.ramsay@arm.com>
7322 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
7323 (__arm_vcmpneq): Remove duplicate definition.
7324 (__arm_vstrwq_scatter_offset_p): Likewise.
7325 (__arm_vmaxq_x): Likewise.
7326 (__arm_vmlsdavaq): Likewise.
7327 (__arm_vmlsdavaxq): Likewise.
7328 (__arm_vmlsdavq_p): Likewise.
7329 (__arm_vmlsdavxq_p): Likewise.
7330 (__arm_vrmlaldavhaq): Likewise.
7331 (__arm_vstrbq_p): Likewise.
7332 (__arm_vstrbq_scatter_offset): Likewise.
7333 (__arm_vstrbq_scatter_offset_p): Likewise.
7334 (__arm_vstrdq_scatter_offset): Likewise.
7335 (__arm_vstrdq_scatter_offset_p): Likewise.
7336 (__arm_vstrdq_scatter_shifted_offset): Likewise.
7337 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
7339 2021-05-11 Jakub Jelinek <jakub@redhat.com>
7341 PR middle-end/100471
7342 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
7343 is 0, bypass the reduction loop including
7344 GOMP_taskgroup_reduction_unregister call.
7346 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
7348 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
7350 (rs6000_density_test): Early return if costing_for_scalar is true.
7351 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
7353 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
7355 * doc/tm.texi: Regenerated.
7356 * target.def (init_cost): Add new parameter costing_for_scalar.
7357 * targhooks.c (default_init_cost): Adjust for new parameter.
7358 * targhooks.h (default_init_cost): Likewise.
7359 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
7360 (vect_compute_single_scalar_iteration_cost): Likewise.
7361 (vect_analyze_loop_2): Likewise.
7362 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
7363 (vect_bb_vectorization_profitable_p): Likewise.
7364 * tree-vectorizer.h (init_cost): Likewise.
7365 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
7366 * config/i386/i386.c (ix86_init_cost): Likewise.
7367 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
7369 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
7371 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
7372 vect_nonmem and moved into...
7373 (struct rs6000_cost_data): ...here.
7374 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
7375 (rs6000_add_stmt_cost): Likewise.
7376 (rs6000_finish_cost): Likewise.
7378 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
7380 * range-op.cc (get_bool_state): Adjust head comment.
7381 (operator_not_equal::op1_range): Fix comment.
7382 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
7384 2021-05-10 Martin Sebor <msebor@redhat.com>
7386 PR middle-end/100425
7387 PR middle-end/100510
7388 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
7389 (pass_walloca::xlimit_certain_p): ...to this.
7390 (pass_walloca::gate): Execute for any kind of handled warning.
7391 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
7392 warnings when xlimit_certain_p is set.
7394 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
7396 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
7397 Return ALTIVEC_REGS if that is best_class.
7398 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
7400 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7402 * config/arm/arm.h (CPP_SPEC): Remove error message about
7405 2021-05-10 Martin Jambor <mjambor@suse.cz>
7407 * ipa-prop.h (IPA_NODE_REF): Removed.
7408 (IPA_NODE_REF_GET_CREATE): Likewise.
7409 (IPA_EDGE_REF): Likewise.
7410 (IPA_EDGE_REF_GET_CREATE): Likewise.
7411 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
7412 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
7413 use of ipa_node_params_sum.
7414 (ipcp_versionable_function_p): Likewise.
7415 (push_node_to_stack): Likewise.
7416 (pop_node_from_stack): Likewise.
7417 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
7418 direct use of ipa_node_params_sum.
7419 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
7420 ipa_node_params_sum.
7421 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
7423 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
7424 use of ipa_node_params_sum.
7425 (self_recursively_generated_p): Likewise.
7426 (propagate_scalar_across_jump_function): Likewise.
7427 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
7428 direct use of ipa_edge_args_sum, moved the lookup after the early
7429 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
7430 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
7431 direct uses of ipa_node_params_sum.
7432 (propagate_vr_across_jump_function): Likewise.
7433 (propagate_aggregate_lattice): Likewise.
7434 (propagate_aggs_across_jump_function): Likewise.
7435 (propagate_constants_across_call): Likewise, also replaced
7436 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
7437 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
7438 of ipa_node_params_sum.
7439 (estimate_local_effects): Likewise.
7440 (add_all_node_vals_to_toposort): Likewise.
7441 (propagate_constants_topo): Likewise.
7442 (ipcp_propagate_stage): Likewise.
7443 (ipcp_discover_new_direct_edges): Likewise.
7444 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
7445 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
7446 (get_info_about_necessary_edges): Likewise.
7447 (want_remove_some_param_p): Likewise.
7448 (create_specialized_node): Likewise.
7449 (self_recursive_pass_through_p): Likewise.
7450 (self_recursive_agg_pass_through_p): Likewise.
7451 (find_more_scalar_values_for_callers_subset): Likewise and also
7452 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
7453 case replacing two of those with a single query.
7454 (find_more_contexts_for_caller_subset): Likewise for the
7455 ipa_polymorphic_call_context overload.
7456 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
7457 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
7458 ipa_node_params_sum.
7459 (find_aggregate_values_for_callers_subset): Likewise, also reusing
7460 results of ipa_edge_args_sum->get.
7461 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
7462 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
7463 direct use of ipa_edge_args_sum.
7464 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
7465 summary query after the early exit and reused the result later.
7466 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
7467 ipa_node_params_sum.
7468 (decide_whether_version_node): Likewise. Removed re-querying for
7469 summaries after cloning.
7470 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
7471 ipa_node_params_sum.
7472 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
7474 (identify_dead_nodes): Likewise.
7475 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
7476 ipa_node_params_sum.
7477 (ipcp_store_vr_results): Likewise.
7478 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
7479 (ipa_fn_summary_t::duplicate): Likewise.
7480 (analyze_function_body): Likewise.
7481 (estimate_calls_size_and_time): Likewise.
7482 (ipa_cached_call_context::duplicate_from): Likewise.
7483 (ipa_call_context::equal_to): Likewise.
7484 (remap_edge_params): Likewise.
7485 (ipa_merge_fn_summary_after_inlining): Likewise.
7486 (inline_read_section): Likewise.
7487 * ipa-icf.c (sem_function::param_used_p): Likewise.
7488 * ipa-modref.c (compute_parm_map): Likewise.
7489 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
7491 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
7492 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
7494 * ipa-profile.c (check_argument_count): Likewise.
7495 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
7496 with a direct use of ipa_node_params_sum.
7497 (ipa_initialize_node_params): Likewise.
7498 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
7499 direct use of ipa_edge_args_sum and reused the query result.
7500 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
7501 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
7502 direct use of ipa_edge_args_sum.
7503 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
7504 ipa_node_params_sum and reused the result of the query.
7505 (ipa_analyze_node): Likewise.
7506 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
7507 of ipa_node_params_sum.
7508 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
7509 direct uses of ipa_edge_args_sum.
7510 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
7511 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
7512 direct use of ipa_edge_args_sum. Removed superficial re-querying the
7514 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
7515 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
7517 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
7518 direct use of ipa_edge_args_sum.
7519 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
7520 use of ipa_node_params_sum.
7521 (ipa_print_node_params): Likewise.
7522 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
7523 direct uses of ipa_edge_args_sum.
7524 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
7526 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
7527 ipa_node_params_sum.
7528 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
7529 scopes where it is used.
7531 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
7533 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
7534 <case E_V2SImode>: Force op_true to register.
7536 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7538 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
7539 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
7540 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
7542 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
7543 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
7544 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
7545 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
7546 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
7547 (mve_vcmpneq_n_f<mode>): Remove.
7548 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
7549 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
7550 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
7552 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7554 * config/arm/iterators.md (MVE_COMPARISONS): New.
7556 (mve_cmp_type): New.
7557 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
7559 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
7560 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
7561 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
7562 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
7563 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
7564 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
7565 (mve_vcmpneq_n_<mode>): Remove.
7567 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7569 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
7570 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
7571 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
7574 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7576 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
7577 (vcmpneq_n_u): Likewise.
7578 (vcmpeqq_u,): Likewise.
7579 (vcmpeqq_n_u): Likewise.
7580 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
7581 VCMPEQQ_N_U and VCMPNEQ_N_U.
7582 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
7583 (mve_vcmpeqq_n): Likewise.
7584 (mve_vcmpeqq): Likewise.
7585 (mve_vcmpneq_n): Likewise.
7587 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7589 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
7590 the 's' version of the builtin.
7592 2021-05-10 Richard Biener <rguenther@suse.de>
7594 PR tree-optimization/100492
7595 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
7596 Find nothing when the loop contains an irreducible region.
7598 2021-05-10 Richard Biener <rguenther@suse.de>
7600 PR middle-end/100464
7602 * gimple-fold.c (canonicalize_constructor_val): Do not set
7605 2021-05-10 Richard Biener <rguenther@suse.de>
7607 PR tree-optimization/100434
7608 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
7610 (dse_optimize_stmt): Handle call LHS by dropping the
7611 LHS or the whole call if it doesn't have other
7613 (pass_dse::execute): Adjust.
7615 2021-05-10 Martin Liska <mliska@suse.cz>
7617 * Makefile.in: Add missing genversion rule.
7619 2021-05-10 Alex Coplan <alex.coplan@arm.com>
7622 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
7623 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
7625 2021-05-10 Martin Liska <mliska@suse.cz>
7627 * builtins.c (is_builtin_name): Use startswith
7628 function instead of strncmp.
7629 * collect2.c (main): Likewise.
7630 (has_lto_section): Likewise.
7631 (scan_libraries): Likewise.
7632 * coverage.c (coverage_checksum_string): Likewise.
7633 (coverage_init): Likewise.
7634 * dwarf2out.c (is_cxx): Likewise.
7635 (gen_compile_unit_die): Likewise.
7636 * gcc-ar.c (main): Likewise.
7637 * gcc.c (init_spec): Likewise.
7638 (read_specs): Likewise.
7639 (execute): Likewise.
7640 (check_live_switch): Likewise.
7641 * genattrtab.c (write_attr_case): Likewise.
7642 (IS_ATTR_GROUP): Likewise.
7643 * gencfn-macros.c (main): Likewise.
7644 * gengtype.c (type_for_name): Likewise.
7645 (gen_rtx_next): Likewise.
7646 (get_file_langdir): Likewise.
7647 (write_local): Likewise.
7648 * genmatch.c (get_operator): Likewise.
7649 (get_operand_type): Likewise.
7650 (expr::gen_transform): Likewise.
7651 * genoutput.c (validate_optab_operands): Likewise.
7652 * incpath.c (add_sysroot_to_chain): Likewise.
7653 * langhooks.c (lang_GNU_C): Likewise.
7654 (lang_GNU_CXX): Likewise.
7655 (lang_GNU_Fortran): Likewise.
7656 (lang_GNU_OBJC): Likewise.
7657 * lto-wrapper.c (run_gcc): Likewise.
7658 * omp-general.c (omp_max_simt_vf): Likewise.
7659 * omp-low.c (omp_runtime_api_call): Likewise.
7660 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
7661 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
7662 * real.c (real_from_string): Likewise.
7663 * selftest.c (assert_str_startswith): Likewise.
7664 * timevar.c (timer::validate_phases): Likewise.
7665 * tree.c (get_file_function_name): Likewise.
7666 * ubsan.c (ubsan_use_new_style_p): Likewise.
7667 * varasm.c (default_function_rodata_section): Likewise.
7668 (incorporeal_function_p): Likewise.
7669 (default_section_type_flags): Likewise.
7670 * system.h (startswith): Define startswith.
7672 2021-05-10 Martin Liska <mliska@suse.cz>
7674 * bitmap.h (class auto_bitmap): Remove
7675 __cplusplus >= 201103.
7676 * config/aarch64/aarch64.c: Likewise.
7677 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
7679 * sbitmap.h: Likewise.
7681 2021-05-10 Martin Liska <mliska@suse.cz>
7683 * Makefile.in: Rename gcov-iov to genversion and depend
7684 on version.h (instead of gcov-iov.h).
7685 * gcov-io.h: Include version.h instread of gcov-iov.h.
7686 * gengtype-state.c (read_state_version): Likewise.
7687 * gcov-iov.c: Moved to...
7688 * genversion.c: ...here.
7689 * lto-streamer.h (LTO_major_version): Define it with
7691 * version.c: Removed.
7692 * version.h: Removed.
7694 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7696 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
7697 * config/arc/simdext.md (VCT): Add predicates for iterator
7701 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
7702 (<voptab>v2si3): New patterns.
7704 (reduc_plus_scal_v4hi): Likewise.
7705 (reduc_plus_scal_v2si): Likewise.
7706 (vec_duplicatev2si): Likewise.
7707 (vec_duplicatev4hi): Likewise.
7709 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7711 * config/arc/simdext.md: Format and cleanup file.
7713 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7715 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
7716 only when munaligned-access option is on.
7717 (movmisalign<mode>): Likewise.
7719 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7721 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
7723 * config/arc/arc.c (arc_reorg): Remove underscore from string.
7725 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7727 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7728 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
7729 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
7733 (clzsi2): Use fls instruction when available.
7734 (arc_clzsi2): Likewise.
7736 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7738 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
7740 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7742 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
7744 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
7746 PR middle-end/100467
7747 * toplev.c (compile_file): Call insn_locations_init before
7748 targetm.asm_out.code_end.
7750 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7753 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7755 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
7757 2021-05-07 Jakub Jelinek <jakub@redhat.com>
7758 Andrew Stubbs <amd@codesourcery.com>
7761 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
7762 emit_move_insn operands.
7764 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
7766 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
7767 location for the outgoing edges of an empty block.
7768 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
7769 type by means of the get_array_descr_info langhook, if it is set and
7770 returns true. Remove obsolete code dealing with unnamed subtypes.
7772 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7774 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
7775 (sbr_vector): Renamed from ssa_block_cache.
7776 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
7777 (ssa_block_ranges::~ssa_block_ranges): Remove.
7778 (sbr_vector::set_bb_range): Use varying and undefined cached values.
7779 (ssa_block_ranges::set_bb_varying): Remove.
7780 (sbr_vector::get_bb_range): Adjust assert.
7781 (sbr_vector::bb_range_p): Adjust assert.
7782 (~block_range_cache): No freeing loop required.
7783 (block_range_cache::get_block_ranges): Remove.
7784 (block_range_cache::set_bb_range): Inline get_block_ranges.
7785 (block_range_cache::set_bb_varying): Remove.
7786 * gimple-range-cache.h (set_bb_varying): Remove prototype.
7787 * value-range.h (irange_allocator::get_memory): New.
7789 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7791 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
7792 dominator tree is available and requested.
7793 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
7794 (ranger_cache::fill_block_cache): Don't search dom tree here either.
7795 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
7797 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7799 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
7800 only PHI nodes better.
7802 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7804 * gimple-range-edge.h (gimple_outgoing_range): Rename from
7806 (gcond_edge_range): Export prototype.
7807 * gimple-range-edge.cc (gcond_edge_range): New.
7808 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
7809 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
7811 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7813 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
7814 default range into a temp and allocate only what is needed.
7816 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7818 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
7820 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7822 * gimple-range.h (gimple_range_global): Pick up parameter initial
7823 values, and use-before defined locals are UNDEFINED.
7825 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
7827 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
7829 * tree.h (reverse_storage_order_for_component_p): Return false if
7830 the type is a pointer.
7832 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7834 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
7836 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
7839 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
7840 Handle V8QI, V4HI and V2SI modes.
7841 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
7842 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
7843 * config/i386/i386.md (unspec): ... here.
7845 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
7846 Tom de Vries <tdevries@suse.de>
7848 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
7849 a truth_value_p reduction variable is nonintegral.
7851 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
7854 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
7855 Return false for mode sizes < 16.
7857 2021-05-07 Jakub Jelinek <jakub@redhat.com>
7860 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
7862 2021-05-06 Martin Jambor <mjambor@suse.cz>
7864 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
7865 when there is no function summary.
7866 (ipa_sra_summarize_function): produce edge summaries even when
7869 2021-05-06 Tom Tromey <tom@tromey.com>
7871 * godump.c (string_hash_eq): Remove.
7872 (go_finish): Use htab_eq_string.
7874 2021-05-06 Tom Tromey <tom@tromey.com>
7876 * gengtype-state.c (read_state): Use htab_eq_string.
7877 (string_eq): Remove.
7879 2021-05-06 Tom Tromey <tom@tromey.com>
7881 * gensupport.c (htab_eq_string): Remove.
7883 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
7886 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
7887 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
7888 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
7889 set_ignored_loc callbacks.
7890 * debug.c (do_nothing_debug_hooks): Likewise.
7891 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
7892 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
7893 (in_text_section_p, last_text_label, last_cold_label,
7894 switch_text_ranges, switch_cold_ranges): New data items.
7895 (dwarf2out_note_section_used): Remove.
7896 (dwarf2out_begin_prologue): Set fde->ignored_debug and
7898 (mark_ignored_debug_section): New helper function.
7899 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
7900 mark_ignored_debug_section.
7901 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
7902 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
7903 (size_of_aranges): Adjust formula for multi-part text ranges size.
7904 (output_aranges): Output multi-part text ranges.
7905 (dwarf2out_set_ignored_loc): New callback function.
7906 (dwarf2out_finish): Output multi-part text ranges.
7907 (dwarf2out_c_finalize): Clear new data items.
7908 * final.c (final_start_function_1): Call set_ignored_loc callback.
7909 (final_scan_insn_1): Likewise.
7910 * ggc-page.c (gt_ggc_mx): New helper function.
7911 * stringpool.c (gt_pch_nx): Likewise.
7913 2021-05-06 Richard Biener <rguenther@suse.de>
7915 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
7916 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
7917 (TV_TREE_INTO_SSA): New.
7918 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
7919 (rewrite_blocks): Likewise.
7920 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
7922 2021-05-06 Jakub Jelinek <jakub@redhat.com>
7924 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
7925 abs_replacement, xor_replacement,
7926 cond_removal_in_popcount_clz_ctz_pattern,
7927 replace_phi_edge_with_variable): Change type of phi argument from
7930 2021-05-06 Richard Biener <rguenther@suse.de>
7932 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
7933 Output an opt-info message.
7934 (do_split_loop_on_cond): Likewise.
7935 (tree_ssa_split_loops): Update SSA form here.
7937 2021-05-06 Richard Biener <rguenther@suse.de>
7939 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
7940 return variable removal.
7942 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
7944 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
7945 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
7946 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
7948 * config/s390/s390.c (s390_const_operand_ok): Remove unused
7951 2021-05-06 Jakub Jelinek <jakub@redhat.com>
7953 PR tree-optimization/94589
7954 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
7955 spaceship_replacement.
7956 (cond_only_block_p, spaceship_replacement): New functions.
7958 2021-05-06 Richard Biener <rguenther@suse.de>
7961 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
7962 dealing with a debug use and only query existing addresses
7964 (lower_emutls_1): Avoid splitting out addresses for debug
7965 stmts, reset the debug stmt when we fail to find existing
7967 (lower_emutls_phi_arg): Set wi.stmt.
7969 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
7972 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
7973 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
7974 (stack_protect_test): Use cbranch helper.
7976 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7979 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
7980 always return the establisher frame for __builtin_frame_address (0).
7982 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
7985 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
7986 (ix86_cpu_model_var): Likewise.
7987 (ix86_cpu_features2_type_node): Likewise.
7988 (ix86_cpu_features2_var): Likewise.
7989 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
7992 2021-05-05 Martin Sebor <msebor@redhat.com>
7994 * passes.def (pass_warn_printf): Run after SSA.
7996 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7998 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
7999 * config/arm/predicates.md (minus_one_operand): New predicate.
8001 2021-05-05 Jeff Law <jlaw@tachyum.com>
8003 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
8005 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
8007 PR rtl-optimization/100263
8008 * postreload.c (move2add_valid_value_p): Ensure register can
8011 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
8013 PR rtl-optimization/100411
8014 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
8015 and beginning of function markers.
8017 2021-05-05 Jeff Law <jlaw@tachyum.com>
8019 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
8020 * config/cr16/cr16.c (notice_update_cc): Remove.
8021 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
8023 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
8026 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
8027 Handle V8QI, V4HI and V2SI modes.
8028 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
8029 (ix86_build_signbit_mask): Ditto.
8030 * config/i386/mmx.md (MMXMODE14): New mode iterator.
8031 (<smaxmin:code><MMXMODE14:mode>3): New expander.
8032 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
8033 (<umaxmin:code><MMXMODE24:mode>3): New expander.
8034 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
8035 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
8036 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
8037 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
8038 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
8039 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
8041 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
8043 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
8044 not expand the VALUE_EXPR of variables put in the non-local frame.
8045 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
8046 to be ignored for debug info, ensure its variable offsets are not.
8048 2021-05-05 Richard Biener <rguenther@suse.de>
8050 PR tree-optimization/79333
8051 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
8052 Fold stmt following SSA edges.
8054 2021-05-05 Richard Biener <rguenther@suse.de>
8056 PR middle-end/100394
8057 * calls.c (expand_call): Preserve possibly throwing calls.
8058 * cfgexpand.c (expand_call_stmt): When a call can throw signal
8059 RTL expansion there are side-effects.
8060 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
8061 mark all possibly throwing stmts necessary unless we can elide
8063 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
8064 -fdelete-dead-exceptions.
8065 * tree.h (DECL_PURE_P): Add note about exceptions.
8067 2021-05-05 Alexandre Oliva <oliva@adacore.com>
8069 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
8072 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
8074 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
8075 get_fnname_from_decl for name of thunk.
8076 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
8077 and ASM_OUTPUT_LABEL.
8078 (rs6000_xcoff_declare_function_name): Use assemble_name and
8080 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
8081 (rs6000_xcoff_encode_section_info): Don't add mapping class
8082 for aliases. Always add [DS] mapping class to primary
8084 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
8086 2021-05-04 Martin Sebor <msebor@redhat.com>
8088 PR middle-end/100307
8089 * builtins.c (compute_objsize_r): Clear base0 for pointers.
8091 2021-05-04 Jeff Law <jlaw@tachyum.com>
8093 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
8095 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
8097 * caller-save.c: Remove CC0.
8098 * cfgcleanup.c: Remove CC0.
8099 * cfgrtl.c: Remove CC0.
8100 * combine.c: Remove CC0.
8101 * compare-elim.c: Remove CC0.
8102 * conditions.h: Remove CC0.
8103 * config/h8300/h8300.h: Remove CC0.
8104 * config/h8300/h8300-protos.h: Remove CC0.
8105 * config/h8300/peepholes.md: Remove CC0.
8106 * config/i386/x86-tune-sched.c: Remove CC0.
8107 * config/m68k/m68k.c: Remove CC0.
8108 * config/rl78/rl78.c: Remove CC0.
8109 * config/sparc/sparc.c: Remove CC0.
8110 * config/xtensa/xtensa.c: Remove CC0.
8111 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
8112 RTL where that is used as a placeholder only.
8113 * cprop.c: Remove CC0.
8114 * cse.c: Remove CC0.
8115 * cselib.c: Remove CC0.
8116 * df-problems.c: Remove CC0.
8117 * df-scan.c: Remove CC0.
8118 * doc/md.texi: Remove CC0. Adjust an example.
8119 * doc/rtl.texi: Remove CC0. Adjust an example.
8120 * doc/tm.texi: Regenerate.
8121 * doc/tm.texi.in: Remove CC0.
8122 * emit-rtl.c: Remove CC0.
8123 * final.c: Remove CC0.
8124 * fwprop.c: Remove CC0.
8125 * gcse-common.c: Remove CC0.
8126 * gcse.c: Remove CC0.
8127 * genattrtab.c: Remove CC0.
8128 * genconfig.c: Remove CC0.
8129 * genemit.c: Remove CC0.
8130 * genextract.c: Remove CC0.
8131 * gengenrtl.c: Remove CC0.
8132 * genrecog.c: Remove CC0.
8133 * haifa-sched.c: Remove CC0.
8134 * ifcvt.c: Remove CC0.
8135 * ira-costs.c: Remove CC0.
8136 * ira.c: Remove CC0.
8137 * jump.c: Remove CC0.
8138 * loop-invariant.c: Remove CC0.
8139 * lra-constraints.c: Remove CC0.
8140 * lra-eliminations.c: Remove CC0.
8141 * optabs.c: Remove CC0.
8142 * postreload-gcse.c: Remove CC0.
8143 * postreload.c: Remove CC0.
8144 * print-rtl.c: Remove CC0.
8145 * read-rtl-function.c: Remove CC0.
8146 * reg-notes.def: Remove CC0.
8147 * reg-stack.c: Remove CC0.
8148 * reginfo.c: Remove CC0.
8149 * regrename.c: Remove CC0.
8150 * reload.c: Remove CC0.
8151 * reload1.c: Remove CC0.
8152 * reorg.c: Remove CC0.
8153 * resource.c: Remove CC0.
8154 * rtl.c: Remove CC0.
8155 * rtl.def: Remove CC0.
8156 * rtl.h: Remove CC0.
8157 * rtlanal.c: Remove CC0.
8158 * sched-deps.c: Remove CC0.
8159 * sched-rgn.c: Remove CC0.
8160 * shrink-wrap.c: Remove CC0.
8161 * simplify-rtx.c: Remove CC0.
8162 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
8163 CC_STATUS_MDEP, and CC_STATUS.
8164 * target.def: Remove CC0.
8165 * valtrack.c: Remove CC0.
8166 * var-tracking.c: Remove CC0.
8168 2021-05-04 Richard Biener <rguenther@suse.de>
8170 PR tree-optimization/100414
8171 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
8173 (tree_ssa_phiopt_worker): But unconditionally here.
8175 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
8177 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
8178 && and || with floating-point and complex arguments.
8180 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
8182 * tree-inline.c (insert_debug_decl_map): Delete.
8183 (copy_debug_stmt): Minor tweak.
8184 (setup_one_parameter): Do not use a variable if the value is either
8185 a read-only DECL or a non-addressable local variable in the caller.
8186 In this case, insert the debug-only variable in the map manually.
8187 (expand_call_inline): Do not generate a CLOBBER for these values.
8188 * tree-inline.h (debug_map): Minor tweak.
8190 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
8192 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
8193 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
8195 2021-05-04 Richard Biener <rguenther@suse.de>
8197 PR tree-optimization/100329
8198 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
8200 (insert_stmt_after): Assert we're not running into asm goto.
8202 2021-05-04 Richard Biener <rguenther@suse.de>
8204 PR tree-optimization/100398
8205 * tree-ssa-dse.c (pass_dse::execute): Preserve control
8208 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
8210 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
8212 2021-05-04 Alexandre Oliva <oliva@adacore.com>
8214 * builtins.c (try_store_by_multiple_pieces): New.
8215 (expand_builtin_memset_args): Use it. If target_char_cast
8216 fails, proceed as for non-constant val. Pass len's ctz to...
8217 * expr.c (clear_storage_hints): ... this. Try store by
8218 multiple pieces after setmem.
8219 (clear_storage): Adjust.
8220 * expr.h (clear_storage_hints): Likewise.
8221 (try_store_by_multiple_pieces): Declare.
8222 * passes.def: Replace the last copy_prop with ccp.
8224 2021-05-03 Tom de Vries <tdevries@suse.de>
8227 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
8230 2021-05-03 Richard Biener <rguenther@suse.de>
8232 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
8234 2021-05-03 Richard Biener <rguenther@suse.de>
8236 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
8237 (dse_dom_walker): Remove.
8238 (dse_dom_walker::dse_optimize_stmt): Rename...
8239 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
8240 (dse_dom_walker::before_dom_children): Inline ...
8241 (pass_dse::execute): ... here. Perform a reverse program
8244 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
8247 * configure: Regenerated.
8249 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
8252 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
8253 (s390_md_asm_adjust): Handle hard registers.
8255 2021-05-03 Jakub Jelinek <jakub@redhat.com>
8257 PR tree-optimization/100382
8258 * tree-ssa-dse.c: Include tree-eh.h.
8259 (dse_dom_walker::before_dom_children): Don't remove stmts if
8260 stmt_unremovable_because_of_non_call_eh_p is true.
8262 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
8264 * varasm.c (compute_reloc_for_var): Split out from...
8265 (get_variable_section): Use it.
8266 * output.h (compute_reloc_for_var): Declare.
8267 * config/rs6000/rs6000-protos.h
8268 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
8270 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
8271 Don't append storage mapping class to symbol.
8272 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
8273 Don't convert TLS BSS to common.
8274 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
8275 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
8277 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
8279 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
8280 If align is 0 from TLS class, use the same rules as varasm.c
8281 If not common, switch to BSS section manually.
8282 If common, emit appropriate comm or lcomm directive.
8283 (rs6000_xcoff_encode_section_info): Add logic to append all
8284 storage mapping classes.
8285 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
8286 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
8287 rs6000_xcoff_asm_output_aligned_decl_common.
8288 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
8289 rs6000_xcoff_asm_output_aligned_decl_common.
8290 (ASM_OUTPUT_TLS_COMMON): Use
8291 rs6000_xcoff_asm_output_aligned_decl_common.
8293 2021-05-02 Jakub Jelinek <jakub@redhat.com>
8296 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
8297 as first argument of pseudo_node_t constructors.
8299 2021-05-02 Jakub Jelinek <jakub@redhat.com>
8302 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
8304 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
8306 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
8307 (gt_pch_nx (int_range<1> *&)): New.
8308 (gt_ggc_mx (int_range<1> *&)): New.
8309 * value-range.h (class irange): Add GTY support for
8312 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
8314 * doc/options.texi (Negative): Change either or to both and.
8316 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
8318 * config/aarch64/aarch64-simd-builtins.def: Add
8319 float_ml[as][q]_laneq builtin generator macros.
8320 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
8321 (aarch64_float_mla_laneq<mode>): Define.
8322 (aarch64_float_mls_laneq<mode>): Define.
8323 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
8324 instead of GCC vector extensions.
8325 (vmlaq_laneq_f32): Likewise.
8326 (vmls_laneq_f32): Likewise.
8327 (vmlsq_laneq_f32): Likewise.
8329 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
8331 * config/aarch64/aarch64-simd-builtins.def: Add
8332 float_ml[as]_lane builtin generator macros.
8333 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
8335 (mul_lane<mode>3): This, and re-order arguments.
8336 (aarch64_float_mla_lane<mode>): Define.
8337 (aarch64_float_mls_lane<mode>): Define.
8338 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
8339 instead of GCC vector extensions.
8340 (vmlaq_lane_f32): Likewise.
8341 (vmls_lane_f32): Likewise.
8342 (vmlsq_lane_f32): Likewise.
8344 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
8346 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
8347 builtin generator macros.
8348 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
8350 (aarch64_float_mls<mode>): Define.
8351 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
8352 instead of relying on GCC vector extensions.
8353 (vmla_f64): Likewise.
8354 (vmlaq_f32): Likewise.
8355 (vmlaq_f64): Likewise.
8356 (vmls_f32): Likewise.
8357 (vmls_f64): Likewise.
8358 (vmlsq_f32): Likewise.
8359 (vmlsq_f64): Likewise.
8360 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
8362 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
8364 * config/aarch64/aarch64-simd-builtins.def: Add
8365 float_ml[as]_n_builtin generator macros.
8366 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
8368 (mul_n<mode>3): This, and re-order arguments.
8369 (aarch64_float_mla_n<mode>): Define.
8370 (aarch64_float_mls_n<mode>): Define.
8371 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
8372 instead of inline asm.
8373 (vmlaq_n_f32): Likewise.
8374 (vmls_n_f32): Likewise.
8375 (vmlsq_n_f32): Likewise.
8377 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
8379 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
8380 builtin generator macros.
8381 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
8382 (aarch64_pmull_hiv16qi_insn): Define.
8383 (aarch64_pmull_hiv16qi): Define.
8384 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
8385 instead of inline asm.
8386 (vmull_p8): Likewise.
8388 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
8390 * config/avr/avr.md: Adjust peepholes to match and
8391 generate parallels with clobber of REG_CC.
8392 (mov<mode>_insn): Rename to mov<mode>_insn_split.
8393 (*mov<mode>_insn): Rename to mov<mode>_insn.
8395 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
8397 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
8398 for VAR_DECLs if -fdata-sections enabled.
8400 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
8403 * config/rs6000/rs6000.c
8404 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
8405 (rs6000_libgcc_floating_mode_supported_p): New target hook.
8407 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
8409 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
8411 (class back_threader_registry): ...to here...
8412 (class back_threader_profitability): ...and here...
8413 (thread_jumps::thread_through_all_blocks): Remove argument.
8414 (back_threader_registry::back_threader_registry): New.
8415 (back_threader_registry::~back_threader_registry): New.
8416 (back_threader_registry::thread_through_all_blocks): New.
8417 (thread_jumps::profitable_jump_thread_path): Move from here...
8418 (back_threader_profitability::profitable_path_p): ...to here.
8419 (thread_jumps::find_taken_edge): New.
8420 (thread_jumps::convert_and_register_current_path): Move...
8421 (back_threader_registry::register_path): ...to here.
8422 (thread_jumps::register_jump_thread_path_if_profitable): Move...
8423 (thread_jumps::maybe_register_path): ...to here.
8424 (thread_jumps::handle_phi): Call find_taken_edge and
8425 maybe_register_path.
8426 (thread_jumps::handle_assignment): Same.
8427 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
8428 tree argument to handle_phi and handle_assignment.
8429 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
8430 set of m_speed_p and m_max_threaded_paths.
8431 (pass_thread_jumps::execute): Remove second argument from
8432 find_jump_threads_backwards.
8433 (pass_early_thread_jumps::execute): Same.
8435 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
8437 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
8438 (class dom_opt_dom_walker): Initialize some class variables.
8439 (pass_dominator::execute): Pass evrp_range_analyzer and
8440 dom_jump_threader_simplifier to dom_opt_dom_walker.
8441 Adjust for some functions moving into classes.
8442 (simplify_stmt_for_jump_threading): Adjust and move to...
8443 (jump_threader_simplifier::simplify): ...here.
8444 (dom_opt_dom_walker::before_dom_children): Adjust for
8445 m_evrp_range_analyzer.
8446 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
8447 (test_for_singularity): Place in dom_opt_dom_walker class.
8448 (dom_opt_dom_walker::optimize_stmt): The argument
8449 evrp_range_analyzer is now a class field.
8450 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
8451 (thread_jumps::thread_through_all_blocks): New.
8452 (thread_jumps::convert_and_register_current_path): Use m_registry.
8453 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
8454 being in the threader class.
8455 (pass_early_thread_jumps::execute): Same.
8456 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
8457 (jump_threader::jump_threader): ...here.
8458 (threadedge_finalize_values): Move...
8459 (jump_threader::~jump_threader): ...here.
8460 (jump_threader::remove_jump_threads_including): New.
8461 (jump_threader::thread_through_all_blocks): New.
8462 (record_temporary_equivalences_from_phis): Move...
8463 (jump_threader::record_temporary_equivalences_from_phis): ...here.
8464 (record_temporary_equivalences_from_stmts_at_dest): Move...
8465 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
8467 (simplify_control_stmt_condition_1): Move to jump_threader class.
8468 (simplify_control_stmt_condition): Move...
8469 (jump_threader::simplify_control_stmt_condition): ...here.
8470 (thread_around_empty_blocks): Move...
8471 (jump_threader::thread_around_empty_blocks): ...here.
8472 (thread_through_normal_block): Move...
8473 (jump_threader::thread_through_normal_block): ...here.
8474 (thread_across_edge): Move...
8475 (jump_threader::thread_across_edge): ...here.
8476 (thread_outgoing_edges): Move...
8477 (jump_threader::thread_outgoing_edges): ...here.
8478 * tree-ssa-threadedge.h: Move externally facing functings...
8479 (class jump_threader): ...here...
8480 (class jump_threader_simplifier): ...and here.
8481 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
8482 (jump_thread_path_allocator::jump_thread_path_allocator): New.
8483 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
8484 (jump_thread_path_allocator::allocate_thread_edge): New.
8485 (jump_thread_path_allocator::allocate_thread_path): New.
8486 (jump_thread_path_registry::jump_thread_path_registry): New.
8487 (jump_thread_path_registry::~jump_thread_path_registry): New.
8488 (jump_thread_path_registry::allocate_thread_edge): New.
8489 (jump_thread_path_registry::allocate_thread_path): New.
8490 (dump_jump_thread_path): Make extern.
8491 (debug (const vec<jump_thread_edge *> &path)): New.
8492 (struct removed_edges): Move to tree-ssa-threadupdate.h.
8493 (struct thread_stats_d): Remove.
8494 (remove_ctrl_stmt_and_useless_edges): Make static.
8495 (lookup_redirection_data): Move...
8496 (jump_thread_path_registry::lookup_redirection_data): ...here.
8497 (ssa_redirect_edges): Make static.
8498 (thread_block_1): Move...
8499 (jump_thread_path_registry::thread_block_1): ...here.
8500 (thread_block): Move...
8501 (jump_thread_path_registry::thread_block): ...here.
8502 (thread_through_loop_header): Move...
8503 (jump_thread_path_registry::thread_through_loop_header): ...here.
8504 (mark_threaded_blocks): Move...
8505 (jump_thread_path_registry::mark_threaded_blocks): ...here.
8506 (debug_path): Move...
8507 (jump_thread_path_registry::debug_path): ...here.
8508 (debug_all_paths): Move...
8509 (jump_thread_path_registry::dump): ..here.
8510 (rewire_first_differing_edge): Move...
8511 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
8512 (adjust_paths_after_duplication): Move...
8513 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
8514 (duplicate_thread_path): Move...
8515 (jump_thread_path_registry::duplicate_thread_path): ..here.
8516 (remove_jump_threads_including): Move...
8517 (jump_thread_path_registry::remove_jump_threads_including): ...here.
8518 (thread_through_all_blocks): Move to...
8519 (jump_thread_path_registry::thread_through_all_blocks): ...here.
8520 (delete_jump_thread_path): Remove.
8521 (register_jump_thread): Move...
8522 (jump_thread_path_registry::register_jump_thread): ...here.
8523 * tree-ssa-threadupdate.h: Move externally facing functions...
8524 (class jump_thread_path_allocator): ...here...
8525 (class jump_thread_path_registry): ...and here.
8526 (thread_through_all_blocks): Remove.
8527 (struct removed_edges): New.
8528 (register_jump_thread): Remove.
8529 (remove_jump_threads_including): Remove.
8530 (delete_jump_thread_path): Remove.
8531 (remove_ctrl_stmt_and_useless_edges): Remove.
8532 (free_dom_edge_info): New prototype.
8533 * tree-vrp.c: Remove x_vr_values hack.
8534 (class vrp_jump_threader_simplifier): New.
8535 (vrp_jump_threader_simplifier::simplify): New.
8536 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
8537 Remove m_dummy_cond.
8538 Instantiate m_simplifier and m_threader.
8539 (vrp_jump_threader::thread_through_all_blocks): New.
8540 (vrp_jump_threader::simplify_stmt): Remove.
8541 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
8542 Remove x_vr_values hack.
8543 (execute_vrp): Adjust for thread_through_all_blocks being in a
8546 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
8548 * genflags.c (gen_insn): Print failed expansion string.
8550 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
8552 * expr.c (alignment_for_piecewise_move): Call mode_for_size
8553 without limit to MAX_FIXED_MODE_SIZE.
8555 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
8558 * builtins.c (builtin_memset_gen_str): Don't use return from
8559 simplify_gen_subreg.
8561 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
8564 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
8565 (*addsi3_carry_zext_0r): Ditto.
8566 (*sub<mode>3_carry_0): Ditto.
8567 (*subsi3_carry_zext_0r): Ditto.
8568 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
8570 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
8571 Also consider ix86_carry_flag_unset_operator to calculate
8572 the cost of adc/sbb insn.
8574 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
8576 PR rtl-optimization/100225
8577 PR rtl-optimization/84878
8578 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
8579 where we have an instruction which touches (writes) any hard
8580 register from df->regular_block_artificial_uses set.
8581 Allow not-single-set instruction only right before basic block
8584 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
8586 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
8588 2021-04-30 LevyHsu <admin@levyhsu.com>
8590 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
8591 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
8592 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
8593 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
8595 2021-04-29 Alexandre Oliva <oliva@adacore.com>
8597 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
8599 2021-04-29 Alexandre Oliva <oliva@adacore.com>
8601 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
8602 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
8603 * config/i386/i386.c: Adjust.
8604 * config/i386/i386.md: Adjust.
8605 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
8606 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8607 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8608 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8609 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8610 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8611 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8612 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8613 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8614 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8615 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
8617 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8619 * config/i386/i386-expand.c (ix86_expand_int_compare):
8620 Swap operands of GTU and LEU comparison to emit carry flag comparison.
8621 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
8622 predicate to allow more combine opportunities with memory operands.
8623 (*sub<mode>3_carry_0): Ditto.
8625 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
8627 PR rtl-optimization/100303
8628 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
8629 boolean that indicates whether the use will only be used in
8630 debug instructions. Treat it in the same way that existing
8631 cross-EBB debug references would be handled if so.
8632 (function_info::make_uses_available): Likewise.
8633 * rtl-ssa/functions.h (function_info::make_uses_available): Update
8634 prototype accordingly.
8635 (function_info::make_uses_available): Likewise.
8636 * fwprop.c (try_fwprop_subst): Update call accordingly.
8638 2021-04-29 Jeff Law <jlaw@tachyum.com>
8640 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
8643 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8644 Richard Biener <rguenther@suse.de>
8647 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
8648 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
8649 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
8650 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
8651 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
8652 to PURE_ARGS category.
8653 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
8654 Handle PURE_ARGS category.
8655 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
8657 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
8659 * configure.ac: Check for the presence of sys/locking.h header and
8660 for whether _LK_LOCK is supported by _locking.
8661 * configure: Regenerate.
8662 * config.in: Likewise.
8663 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
8664 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
8665 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
8667 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8669 * config/i386/predicates.md (fcmov_comparison_operator):
8670 Do not check for trivial FP comparison operator.
8671 <case GEU, case LTU>: Allow CCGZmode.
8672 <case GTU, case LEU>: Do not allow CCCmode.
8673 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
8674 (ix86_carry_flag_operator): Match only LTU and UNLT code.
8675 Do not check for trivial FP comparison operator. Allow CCGZmode.
8677 2021-04-29 Tom de Vries <tdevries@suse.de>
8679 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
8680 fd->loop.step by either step or orig_step.
8682 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
8684 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
8685 (load_got_register): Do the PIC dance here.
8686 (sparc_legitimize_tls_address): Simplify.
8687 (sparc_emit_probe_stack_range): Likewise.
8688 (sparc32_initialize_trampoline): Likewise.
8689 (sparc64_initialize_trampoline): Likewise.
8690 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
8691 (probe_stack_range<P:mode>): Likewise.
8692 (flush<P:mode>): Likewise.
8693 (tgd_hi22<P:mode>): Likewise.
8694 (tgd_lo10<P:mode>): Likewise.
8695 (tgd_add<P:mode>): Likewise.
8696 (tgd_call<P:mode>): Likewise.
8697 (tldm_hi22<P:mode>): Likewise.
8698 (tldm_lo10<P:mode>): Likewise.
8699 (tldm_add<P:mode>): Likewise.
8700 (tldm_call<P:mode>): Likewise.
8701 (tldo_hix22<P:mode>): Likewise.
8702 (tldo_lox10<P:mode>): Likewise.
8703 (tldo_add<P:mode>): Likewise.
8704 (tie_hi22<P:mode>): Likewise.
8705 (tie_lo10<P:mode>): Likewise.
8706 (tie_add<P:mode>): Likewise.
8707 (tle_hix22<P:mode>): Likewise.
8708 (tle_lox10<P:mode>): Likewise.
8709 (stack_protect_setsi): Rename to...
8710 (stack_protect_set32): ...this.
8711 (stack_protect_setdi): Rename to...
8712 (stack_protect_set64): ...this.
8713 (stack_protect_set): Adjust calls to above.
8714 (stack_protect_testsi): Rename to...
8715 (stack_protect_test32): ...this.
8716 (stack_protect_testdi): Rename to...
8717 (stack_protect_test64): ...this.
8718 (stack_protect_test): Adjust calls to above.
8720 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
8723 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
8724 (builtin_strncpy_read_str): Likewise.
8725 (builtin_memset_read_str): Add an argument for the previous RTL
8726 information and generate the new RTL from the previous RTL info.
8727 (builtin_memset_gen_str): Likewise.
8728 * builtins.h (builtin_strncpy_read_str): Update the prototype.
8729 (builtin_memset_read_str): Likewise.
8730 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
8731 returns true, round up size and alignment to the widest integer
8732 mode for maximum size.
8733 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
8734 and pass it to m_constfn.
8735 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
8736 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
8737 initialize m_push. Initialize m_overlap_op_by_pieces with
8738 targetm.overlap_op_by_pieces_p ().
8739 (op_by_pieces_d::run): Pass the previous RTL information to
8740 pieces_addr::adjust and generate overlapping operations if
8741 m_overlap_op_by_pieces is true.
8743 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
8745 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
8747 (can_store_by_pieces): Use by_pieces_constfn on constfun.
8748 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
8749 for op_by_pieces_d change.
8750 (clear_by_pieces_1): Add a dummy argument.
8751 (clear_by_pieces): Updated for op_by_pieces_d change.
8752 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
8753 (string_cst_read_str): Add a dummy argument.
8754 * expr.h (by_pieces_constfn): Add a dummy argument.
8755 (by_pieces_prev): New.
8756 * target.def (overlap_op_by_pieces_p): New target hook.
8757 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
8758 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
8759 * doc/tm.texi: Regenerated.
8761 2021-04-29 Richard Biener <rguenther@suse.de>
8763 PR tree-optimization/100253
8764 * tree-vect-stmts.c (vectorizable_load): Do not assume
8765 element alignment when DR_MISALIGNMENT is -1.
8766 (vectorizable_store): Likewise.
8768 2021-04-29 Jakub Jelinek <jakub@redhat.com>
8771 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
8772 absu_hwi instead of abs_hwi.
8774 2021-04-29 Richard Biener <rguenther@suse.de>
8777 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
8778 forwarding when indirect forwarding through ESCAPED
8781 2021-04-29 Tom de Vries <tdevries@suse.de>
8784 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
8785 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
8786 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
8787 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
8789 2021-04-29 Richard Biener <rguenther@suse.de>
8791 PR tree-optimization/99912
8792 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
8793 (dse_dom_walker::todo): Likewise.
8794 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
8796 (dse_dom_walker::before_dom_children): Remove trivially
8797 dead SSA defs and schedule CFG cleanup if we removed all
8799 (pass_dse::execute): Get TODO as computed by the DOM walker
8800 and return it. Wipe dominator info earlier.
8802 2021-04-29 Richard Biener <rguenther@suse.de>
8805 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
8806 Track blocks to cleanup EH in new m_need_eh_cleanup.
8807 (ipcp_modif_dom_walker::cleanup_eh): New.
8808 (ipcp_transform_function): Release dominator info before
8811 2021-04-29 Martin Sebor <msebor@redhat.com>
8813 PR middle-end/100250
8814 * attribs.c (attr_access::array_as_string): Avoid dereferencing
8815 a pointer when it's null.
8817 2021-04-29 Martin Sebor <msebor@redhat.com>
8819 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
8820 * ipa-free-lang-data.cc: New file.
8821 * tree.c: Move pass free_lang_data to file above.
8822 (build_array_type_1): Declare extern.
8823 * tree.h (build_array_type_1): Declare.
8825 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8827 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
8828 make consistent with updated RTL pattern.
8829 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
8830 Implement using ss_truncate and us_truncate rather than
8832 * config/aarch64/iterators.md: Remove redundant unspecs and
8833 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
8835 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8837 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
8838 attributes consistent with those defined in arm_neon.h.
8840 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8842 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
8843 attributes consistent with those defined in arm_neon.h.
8845 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8847 * config/aarch64/aarch64-simd-builtins.def: Add
8848 float_trunc_rodd builtin generator macros.
8849 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
8851 (aarch64_float_trunc_rodd_lo_v2sf): Define.
8852 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
8853 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
8854 (aarch64_float_trunc_rodd_hi_v4sf): Define.
8855 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
8856 instead of inline asm.
8857 (vcvtx_high_f32_f64): Likewise.
8858 (vcvtxd_f32_f64): Likewise.
8859 * config/aarch64/iterators.md: Add FCVTXN unspec.
8861 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8863 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
8865 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
8867 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
8868 instead of inline asm.
8869 (vqtbx1_u8): Likewise.
8870 (vqtbx1_p8): Likewise.
8871 (vqtbx1q_s8): Likewise.
8872 (vqtbx1q_u8): Likewise.
8873 (vqtbx1q_p8): Likewise.
8874 (vtbx2_s8): Likewise.
8875 (vtbx2_u8): Likewise.
8876 (vtbx2_p8): Likewise.
8878 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8880 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
8882 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
8883 instead of inline asm.
8884 (vqtbl1_s8): Likewise.
8885 (vqtbl1_u8): Likewise.
8886 (vqtbl1q_p8): Likewise.
8887 (vqtbl1q_s8): Likewise.
8888 (vqtbl1q_u8): Likewise.
8889 (vtbl1_s8): Likewise.
8890 (vtbl1_u8): Likewise.
8891 (vtbl1_p8): Likewise.
8892 (vtbl2_s8): Likewise.
8893 (vtbl2_u8): Likewise.
8894 (vtbl2_p8): Likewise.
8896 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8898 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
8899 ssri_n buitin generator macro.
8900 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
8901 instead of inline asm.
8902 (vsri_n_p16): Likewise.
8903 (vsri_n_p64): Likewise.
8904 (vsriq_n_p8): Likewise.
8905 (vsriq_n_p16): Likewise.
8906 (vsriq_n_p64): Likewise.
8908 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8910 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
8911 iterator for polynomial ssli_n builtin generator macro.
8912 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
8913 instead of inline asm.
8914 (vsli_n_p16): Likewise.
8915 (vsliq_n_p8): Likewise.
8916 (vsliq_n_p16): Likewise.
8917 * config/aarch64/iterators.md: Define VALLP mode iterator.
8919 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8921 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
8922 iterator to generate [su]adalp RTL builtins.
8923 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
8924 [su]adalp RTL pattern.
8925 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
8926 instead of inline asm.
8927 (vpadal_u32): Likewise.
8929 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8931 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
8932 builtin generator macros.
8933 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
8935 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
8936 instead of inline asm.
8937 (vpaddl_s16): Likewise.
8938 (vpaddl_s32): Likewise.
8939 (vpaddl_u8): Likewise.
8940 (vpaddl_u16): Likewise.
8941 (vpaddl_u32): Likewise.
8942 (vpaddlq_s8): Likewise.
8943 (vpaddlq_s16): Likewise.
8944 (vpaddlq_s32): Likewise.
8945 (vpaddlq_u8): Likewise.
8946 (vpaddlq_u16): Likewise.
8947 (vpaddlq_u32): Liwewise.
8948 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
8949 appropriate attributes.
8951 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8953 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
8954 for aarch64_addp<mode> builtin macro generator.
8955 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
8956 aarch64_addp<mode> RTL pattern.
8957 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
8958 instead of inline asm.
8959 (vpaddq_s16): Likewise.
8960 (vpaddq_s32): Likewise.
8961 (vpaddq_s64): Likewise.
8962 (vpaddq_u8): Likewise.
8963 (vpaddq_u16): Likewise.
8964 (vpaddq_u32): Likewise.
8965 (vpaddq_u64): Likewise.
8967 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8969 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
8970 builtin generator macros.
8971 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
8973 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
8974 instead of inline asm.
8975 (vqdmulh_n_s32): Likewise.
8976 (vqdmulhq_n_s16): Likewise.
8977 (vqdmulhq_n_s32): Likewise.
8978 (vqrdmulh_n_s16): Likewise.
8979 (vqrdmulh_n_s32): Likewise.
8980 (vqrdmulhq_n_s16): Likewise.
8981 (vqrdmulhq_n_s32): Likewise.
8983 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
8985 * doc/install.texi (--enable-offload-defaulted): Document.
8987 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
8989 * config/avr/avr-dimode.md: Turn existing patterns into
8990 define_insn_and_split style patterns where the splitter
8991 adds a clobber of the condition code register. Drop "cc"
8992 attribute. Add new patterns to match output of
8994 * config/avr/avr-fixed.md: Likewise.
8995 * config/avr/avr.c (cc_reg_rtx): New.
8996 (avr_parallel_insn_from_insns): Adjust insn count
8997 for removal of set of cc0.
8998 (avr_is_casesi_sequence): Likewise.
8999 (avr_casei_sequence_check_operands): Likewise.
9000 (avr_optimize_casesi): Likewise. Also insert
9001 new insns after jump_insn.
9002 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
9003 for removal of set of cc0.
9004 (avr_init_expanders): Initialize cc_reg_rtx.
9005 (avr_regno_reg_class): Handle REG_CC.
9006 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
9007 (avr_notice_update_cc): Remove function.
9008 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
9009 (compare_condition): Adjust for PARALLEL with
9011 (out_shift_with_cnt): Likewise.
9012 (ashlhi3_out): Likewise.
9013 (ashrhi3_out): Likewise.
9014 (lshrhi3_out): Likewise.
9015 (avr_class_max_nregs): Return single reg for REG_CC.
9016 (avr_compare_pattern): Check for REG_CC instead
9018 (avr_reorg_remove_redundant_compare): Likewise.
9019 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
9020 (avr_hard_regno_nregs): Return single reg for REG_CC.
9021 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
9022 (avr_md_asm_adjust): Clobber REG_CC.
9023 (TARGET_HARD_REGNO_NREGS): Define.
9024 (TARGET_CLASS_MAX_NREGS): Define.
9025 (TARGET_MD_ASM_ADJUST): Define.
9026 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
9028 (enum reg_class): Add CC_REG class.
9029 (NOTICE_UPDATE_CC): Remove.
9030 (CC_OVERFLOW_UNUSABLE): Remove.
9031 (CC_NO_CARRY): Remove.
9032 * config/avr/avr.md: Turn existing patterns into
9033 define_insn_and_split style patterns where the splitter
9034 adds a clobber of the condition code register. Drop "cc"
9035 attribute. Add new patterns to match output of
9037 (sez): Remove unused pattern.
9039 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
9042 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
9045 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
9048 * config/aarch64/constraints.md (Utq): Require the address to
9049 be valid for both the element mode and for V2DImode.
9051 2021-04-28 Jakub Jelinek <jakub@redhat.com>
9052 Tobias Burnus <tobias@codesourcery.com>
9054 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
9055 * gcc.c (process_command): New variable.
9056 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
9057 set it if -foffload is defaulted.
9058 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
9059 (compile_offload_image): If OFFLOAD_DEFAULTED and
9060 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
9061 if corresponding mkoffload can't be found.
9062 (compile_images_for_offload_targets): Likewise. Free and clear
9063 offload_names if no valid offload is found.
9064 * config.in: Regenerate.
9065 * configure: Regenerate.
9067 2021-04-28 Richard Biener <rguenther@suse.de>
9069 PR tree-optimization/100292
9070 * tree-vect-generic.c (expand_vector_condition): Do not fold
9073 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
9075 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
9076 * config/rs6000/aix64.opt (m64): New.
9079 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
9081 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
9082 (index_term_p): Handle ASHIFT too.
9084 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
9086 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
9087 (sync_lock_test_and_set<mode>): Adjust accordingly.
9088 (sync_lock_release<mode>): Likewise.
9090 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
9092 * config/vax/vax-protos.h (adjacent_operands_p): Remove
9094 * config/vax/vax.c (adjacent_operands_p): Remove.
9096 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
9098 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
9099 through to the non-conditional execution case if getting the
9100 condition for conditional execution has failed.
9102 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
9104 PR middle-end/100284
9105 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
9106 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
9107 than asserting on it.
9109 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
9111 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
9114 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
9117 * calls.c (precompute_register_parameters): Additionally test
9118 targetm.precompute_tls_p to pre-compute argument.
9119 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
9120 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
9121 * target.def (precompute_tls_p): New.
9122 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
9123 * doc/tm.texi: Regenerated.
9125 2021-04-27 Jakub Jelinek <jakub@redhat.com>
9128 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
9129 back to HOST_WIDE_INT.
9131 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
9134 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
9135 memory alignment for the outer mode.
9137 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
9140 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
9141 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
9143 2021-04-27 Alex Coplan <alex.coplan@arm.com>
9146 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
9147 with negative immediates: ensure we expand cbranchsi4_scratch
9148 correctly and ensure we satisfy its constraints.
9149 * config/arm/sync.md
9150 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
9151 attempt to tie two output operands together with constraints;
9152 collapse two alternatives.
9153 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
9154 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
9156 2021-04-27 Jakub Jelinek <jakub@redhat.com>
9159 * config/aarch64/predicates.md (aarch64_sub_immediate,
9160 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
9161 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
9162 * config/aarch64/aarch64.c (aarch64_print_operand,
9163 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
9165 2021-04-27 Jakub Jelinek <jakub@redhat.com>
9167 PR tree-optimization/100239
9168 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
9169 permutations with all indices from the first zero element as vec_shl.
9171 2021-04-27 Jakub Jelinek <jakub@redhat.com>
9173 PR rtl-optimization/100254
9174 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
9175 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
9177 2021-04-27 Richard Biener <rguenther@suse.de>
9179 PR tree-optimization/99912
9180 * passes.def: Add comment about new TODO_remove_unused_locals.
9181 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
9184 2021-04-27 Richard Biener <rguenther@suse.de>
9186 PR tree-optimization/99912
9187 * passes.def (pass_all_optimizations): Add pass_dse before
9188 the first pass_dce, move the first pass_dse before the
9189 pass_dce following pass_pre.
9191 2021-04-27 Jakub Jelinek <jakub@redhat.com>
9193 PR tree-optimization/95527
9194 * generic-match-head.c: Include tm.h.
9195 * gimple-match-head.c: Include tm.h.
9196 * match.pd (CLZ == INTEGER_CST): Don't use
9197 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
9198 if clz == CFN_CLZ. Add missing val declaration.
9199 (CTZ cmp CST): New simplifications.
9201 2021-04-27 Jakub Jelinek <jakub@redhat.com>
9203 PR tree-optimization/96696
9204 * expr.c (expand_expr_divmod): New function.
9205 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
9206 divisions. Formatting fixes.
9207 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
9210 2021-04-27 Martin Jambor <mjambor@suse.cz>
9213 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
9214 If removing a call statement LHS SSA name, release it.
9216 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
9219 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
9220 is valid before including it in the mask.
9222 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
9225 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
9228 2021-04-27 Richard Biener <rguenther@suse.de>
9230 PR tree-optimization/100051
9231 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
9232 disambiguator based on access size vs. decl size.
9234 2021-04-27 Richard Biener <rguenther@suse.de>
9236 PR tree-optimization/100278
9237 * tree-ssa-pre.c (compute_avail): Give up when we cannot
9238 adjust TBAA beacuse of mismatching bases.
9240 2021-04-27 Jakub Jelinek <jakub@redhat.com>
9243 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
9244 For any_rotate define_insn_split and following splitters, use
9245 SWI iterator instead of SWI48.
9247 2021-04-27 Richard Biener <rguenther@suse.de>
9249 PR tree-optimization/99776
9250 * match.pd (bit_field_ref (ctor)): Relax element extract
9251 type compatibility checks.
9253 2021-04-27 Cui,Lili <lili.cui@intel.com>
9255 * common/config/i386/i386-common.c (processor_names):
9256 Sync processor_names with processor_type.
9257 * config/i386/i386-options.c (processor_cost_table):
9258 Sync processor_cost_table with processor_type.
9260 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
9262 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
9263 (irange::set): Call irange_set_1bit_anti_range for handling all
9264 1-bit ranges. Fall through on ~[MIN,MAX].
9266 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
9268 * value-range.cc (irange::legacy_num_pairs): Remove.
9269 (irange::invert): Change gcc_assert to gcc_checking_assert.
9270 * value-range.h (irange::num_pairs): Adjust for a cached
9271 num_pairs(). Also, rename all gcc_assert's to
9272 gcc_checking_assert's.
9274 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
9276 * value-range.cc (irange::operator=): Set m_kind.
9277 (irange::copy_to_legacy): Handle varying and undefined sources
9278 as a legacy copy since they can be easily copied.
9279 (irange::irange_set): Set m_kind.
9280 (irange::irange_set_anti_range): Same.
9281 (irange::set): Rename normalize_min_max to normalize_kind.
9282 (irange::verify_range): Adjust for multi-ranges having the
9284 (irange::irange_union): Set m_kind.
9285 (irange::irange_intersect): Same.
9286 (irange::invert): Same.
9287 * value-range.h (irange::kind): Always return m_kind.
9288 (irange::varying_p): Rename to...
9289 (irange::varying_comptaible_p): ...this.
9290 (irange::undefined_p): Only look at m_kind.
9291 (irange::irange): Always set VR_UNDEFINED if applicable.
9292 (irange::set_undefined): Always set VR_UNDEFINED.
9293 (irange::set_varying): Always set m_kind to VR_VARYING.
9294 (irange::normalize_min_max): Rename to...
9295 (irange::normalize_kind): ...this.
9297 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
9299 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
9300 Adjust for constant_p including varying_p.
9301 * tree-vrp.c (vrp_prop::finalize): Same.
9302 (determine_value_range): Same.
9303 * vr-values.c (vr_values::range_of_expr): Same.
9304 * value-range.cc (irange::symbolic_p): Do not check varying_p.
9305 (irange::constant_p): Same.
9307 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
9309 * value-range.cc (irange::legacy_lower_bound): Replace
9310 !undefined_p check with num_ranges > 0.
9311 (irange::legacy_upper_bound): Same.
9312 * value-range.h (irange::type): Same.
9313 (irange::lower_bound): Same.
9314 (irange::upper_bound): Same.
9316 2021-04-26 Richard Biener <rguenther@suse.de>
9318 PR tree-optimization/99956
9319 * gimple-loop-interchange.cc (compute_access_stride):
9320 Try instantiating the access in a shallower loop nest
9321 if instantiating failed.
9322 (compute_access_strides): Pass adjustable loop_nest
9323 to compute_access_stride.
9325 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
9327 * doc/sourcebuild.texi (arm_cmse_hw): Document.
9329 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9331 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
9333 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
9334 Nathan Sidwell <nathan@codesourcery.com>
9335 Tom de Vries <vries@codesourcery.com>
9336 Julian Brown <julian@codesourcery.com>
9337 Kwok Cheung Yeung <kcy@codesourcery.com>
9339 * omp-offload.c (oacc_validate_dims): Implement
9340 '-Wopenacc-parallelism'.
9341 * doc/invoke.texi (-Wopenacc-parallelism): Document.
9343 2021-04-26 Richard Biener <rguenther@suse.de>
9345 * tree-cfg.h (gimplify_build1): Remove.
9346 (gimplify_build2): Likewise.
9347 (gimplify_build3): Likewise.
9348 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
9349 (gimplify_build2): Likewise.
9350 (gimplify_build3): Likewise.
9351 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
9353 (gimplify_build2): Likewise.
9354 (gimplify_build3): Likewise.
9355 (tree_vec_extract): Use resimplify with following SSA edges.
9356 (expand_vector_parallel): Avoid passing NULL size/bitpos
9357 to tree_vec_extract.
9358 * expr.c (store_constructor): Deal with zero-element CTORs.
9359 * match.pd (bit_field_ref <vector CTOR>): Make sure to
9360 produce vector constants when possible.
9362 2021-04-26 Richard Biener <rguenther@suse.de>
9364 * tree-complex.c: Include gimple-fold.h.
9365 (expand_complex_addition): Use gimple_build.
9366 (expand_complex_multiplication_components): Likewise.
9367 (expand_complex_multiplication): Likewise.
9368 (expand_complex_div_straight): Likewise.
9369 (expand_complex_div_wide): Likewise.
9370 (expand_complex_division): Likewise.
9371 (expand_complex_conjugate): Likewise.
9372 (expand_complex_comparison): Likewise.
9374 2021-04-26 Richard Biener <rguenther@suse.de>
9376 * tree-ssa-phiopt.c (two_value_replacement): Remove use
9377 of legacy gimplify_buildN API.
9379 2021-04-26 Richard Biener <rguenther@suse.de>
9381 PR tree-optimization/99473
9382 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
9385 2021-04-26 Richard Biener <rguenther@suse.de>
9387 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
9388 Use replace_call_with_value.
9390 2021-04-26 Richard Biener <rguenther@suse.de>
9392 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
9393 (update_gimple_call): Likewise.
9394 (update_call_from_tree): Likewise.
9395 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
9396 (valid_gimple_call_p): Likewise.
9397 (move_ssa_defining_stmt_for_defs): Likewise.
9398 (finish_update_gimple_call): Likewise.
9399 (update_gimple_call): Likewise.
9400 (update_call_from_tree): Likewise.
9401 (propagate_tree_value_into_stmt): Use replace_call_with_value.
9402 * gimple-fold.h (update_gimple_call): Declare.
9403 * gimple-fold.c (valid_gimple_rhs_p): Move here from
9404 tree-ssa-propagate.c.
9405 (update_gimple_call): Likewise.
9406 (valid_gimple_call_p): Likewise.
9407 (finish_update_gimple_call): Likewise, and simplify.
9408 (gimplify_and_update_call_from_tree): Implement
9409 update_call_from_tree functionality, avoid excessive
9410 push/pop_gimplify_context.
9411 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
9412 (gimple_fold_call): Likewise.
9413 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
9414 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
9415 (pass_fold_builtins::execute): Likewise.
9416 (optimize_stack_restore): Use replace_call_with_value.
9417 * tree-cfg.c (fold_loop_internal_call): Likewise.
9418 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
9419 only gimplify_and_update_call_from_tree.
9420 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
9421 (handle_builtin_strchr): Likewise.
9422 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
9424 2021-04-26 Jakub Jelinek <jakub@redhat.com>
9427 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
9428 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
9431 2021-04-25 liuhongt <hongtao.liu@intel.com>
9434 * config/i386/i386-builtin.def (BDESC): Change the icode of
9435 the following builtins to CODE_FOR_nothing.
9436 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
9437 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
9438 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
9439 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
9440 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
9441 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
9442 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
9443 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
9444 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
9445 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
9446 (sse2_eq<mode>3): Ditto.
9447 (sse4_1_eqv2di3): Ditto.
9448 (sse2_gt<mode>3): Rename to ..
9449 (*sse2_gt<mode>3): .. this.
9451 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
9454 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
9457 * config/darwin.c (darwin_binds_local_p): Assume that any
9458 public symbol might be interposed for PIC code. Update function
9459 header comment to reflect current Darwin capability.
9461 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
9464 * config/darwin.c (darwin_binds_local_p): Assume that any
9465 public symbol might be interposed for PIC code. Update function
9466 header comment to reflect current Darwin capability.
9468 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
9470 * doc/sourcebuild.texi: Document no-opts and any-opts target
9473 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
9475 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
9477 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
9479 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
9481 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
9484 * config/i386/i386-options.c (ix86_option_override_internal):
9485 Error out when -m96bit-long-double is used with 64bit targets.
9486 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
9488 2021-04-23 Martin Liska <mliska@suse.cz>
9490 * lto-wrapper.c: Remove FIXME about usage of
9491 hardware_concurrency. The function is not on par with
9494 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
9497 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
9498 Copy operand 3 to operand 4. Use sse_reg_operand
9499 as operand 3 predicate.
9500 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
9501 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
9502 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
9503 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
9504 Copy operand 1 to operand 0.
9505 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
9506 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
9507 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
9509 2021-04-23 Alex Coplan <alex.coplan@arm.com>
9511 PR rtl-optimization/100230
9512 * early-remat.c (early_remat::sort_candidates): Use delete[]
9513 instead of delete for array allocated with new[].
9515 2021-04-23 Richard Biener <rguenther@suse.de>
9517 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
9518 (capture_info::capture_info): Likewise.
9519 (capture_info::walk_match): Likewise.
9520 (expr::gen_transform): Likewise.
9521 (dt_simplify::gen_1): Likewise.
9522 * gimple-match-head.c (maybe_resimplify_conditional_op):
9523 Remove VEC_COND_EXPR special-casing.
9524 (gimple_simplify): Likewise.
9525 * gimple.c (gimple_could_trap_p_1): Adjust.
9526 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
9527 to participate in PRE.
9529 2021-04-23 Richard Biener <rguenther@suse.de>
9531 * cfganal.c (connect_infinite_loops_to_exit): First call
9532 add_noreturn_fake_exit_edges.
9533 * ipa-sra.c (process_scan_results): Do not call the now redundant
9534 add_noreturn_fake_exit_edges.
9535 * predict.c (tree_estimate_probability): Likewise.
9536 (rebuild_frequencies): Likewise.
9537 * store-motion.c (one_store_motion_pass): Likewise.
9539 2021-04-23 Richard Biener <rguenther@suse.de>
9541 PR tree-optimization/100222
9542 * predict.c (pass_profile::execute): Remove redundant call to
9543 mark_irreducible_loops.
9544 (report_predictor_hitrates): Likewise.
9546 2021-04-23 Richard Biener <rguenther@suse.de>
9548 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
9549 valid_gimple_rhs_p by instead gimplifying to one.
9551 2021-04-23 Richard Biener <rguenther@suse.de>
9553 PR tree-optimization/99971
9554 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
9555 Always use TBAA for loads.
9557 2021-04-23 liuhongt <hongtao.liu@intel.com>
9560 * config/i386/i386-options.c (ix86_option_override_internal):
9561 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
9562 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
9563 by target attribute.
9565 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
9567 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
9569 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
9571 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
9573 * config.gcc (powerpc-ibm-aix6.*): Remove.
9574 * config/rs6000/aix61.h: Delete.
9576 2021-04-22 Martin Liska <mliska@suse.cz>
9580 * builtins.c (expand_builtin): Fix typos and missing comments.
9581 * dwarf2out.c (gen_subprogram_die): Likewise.
9582 (gen_struct_or_union_type_die): Likewise.
9584 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
9587 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
9588 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
9590 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
9592 * config/i386/darwin.h (TARGET_64BIT): Remove definition
9593 based on TARGET_ISA_64BIT.
9594 (TARGET_64BIT_P): Remove definition based on
9595 TARGET_ISA_64BIT_P().
9597 2021-04-21 Martin Liska <mliska@suse.cz>
9600 2021-04-21 Martin Liska <mliska@suse.cz>
9602 * lto-wrapper.c (cpuset_popcount): Remove.
9603 (init_num_threads): Remove and use hardware_concurrency.
9605 2021-04-21 Martin Liska <mliska@suse.cz>
9608 * main.c (main): Call toplev::finalize in CHECKING_P mode.
9609 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
9610 when incremental LTO linking happens.
9612 2021-04-21 Martin Liska <mliska@suse.cz>
9614 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
9615 makeserver cannot be detected, then use -flto=N fallback.
9617 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
9619 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
9620 default to yes for aarch64-linux-gnu.
9621 * configure: Regenerate.
9623 2021-04-21 Martin Liska <mliska@suse.cz>
9625 * lto-wrapper.c (cpuset_popcount): Remove.
9626 (init_num_threads): Remove and use hardware_concurrency.
9628 2021-04-21 Martin Liska <mliska@suse.cz>
9630 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
9631 which remains to be '(... || 0)' and clang complains about it.
9632 * dwarf2out.c (AT_vms_delta): Declare conditionally.
9633 (add_AT_vms_delta): Likewise.
9634 * tree.c (fld_simplified_type): Use rather more common pattern
9635 for disabling of something (#if 0).
9636 (get_tree_code_name): Likewise.
9637 (verify_type_variant): Likewise.
9639 2021-04-21 Martin Liska <mliska@suse.cz>
9641 * config/i386/i386-expand.c (decide_alignment): Use newly named
9643 * config/i386/i386.c (ix86_decompose_address): Likewise.
9644 (ix86_address_cost): Likewise.
9645 (ix86_lea_outperforms): Likewise.
9646 (ix86_avoid_lea_for_addr): Likewise.
9647 (ix86_add_stmt_cost): Likewise.
9648 * config/i386/i386.h (TARGET_*): Remove.
9649 (TARGET_CPU_P): New macro.
9650 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
9651 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
9652 (swap_top_of_ready_list): Likewise.
9653 (ix86_atom_sched_reorder): Likewise.
9654 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
9655 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
9657 2021-04-21 Martin Liska <mliska@suse.cz>
9659 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
9661 (SET_TARGET_NO_SAHF): Likewise.
9662 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
9663 (SET_TARGET_PREFETCH_SSE): Likewise.
9664 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
9665 (SET_TARGET_NO_TUNE): Likewise.
9666 (TARGET_EXPLICIT_NO_80387_P): Likewise.
9667 (SET_TARGET_NO_80387): Likewise.
9669 * config/i386/i386.h (TARGET_*): Remove.
9670 * opth-gen.awk: Generate new used macros.
9672 2021-04-21 Martin Liska <mliska@suse.cz>
9674 * config/i386/i386.h (PTA_*): Remove.
9675 (enum pta_flag): New.
9676 (DEF_PTA): Generate PTA_* values from i386-isa.def.
9677 * config/i386/i386-isa.def: New file.
9679 2021-04-21 Alex Coplan <alex.coplan@arm.com>
9682 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
9683 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
9686 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
9688 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
9690 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
9692 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
9693 (ix86_handle_option): Handle -mmwait.
9694 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
9695 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
9696 __builtin_ia32_monitor and __builtin_ia32_mwait.
9697 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
9698 (ix86_valid_target_attribute_inner_p): Likewise.
9699 (ix86_option_override_internal): Enable mwait/monitor
9700 instructions for -msse3.
9701 * config/i386/i386.h (TARGET_MWAIT): New.
9702 (TARGET_MWAIT_P): Likewise.
9703 * config/i386/i386.opt: Add -mmwait.
9704 * config/i386/mwaitintrin.h: New file.
9705 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
9706 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
9708 (@sse3_monitor_<mode>): Likewise.
9709 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
9710 * doc/extend.texi: Document mwait target attribute.
9711 * doc/invoke.texi: Document -mmwait.
9713 2021-04-21 Martin Liska <mliska@suse.cz>
9715 * config/i386/i386-options.c (DEF_ENUM): Remove it.
9716 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
9717 * config/i386/stringop.def (DEF_ENUM): Likewise.
9719 2021-04-21 Martin Liska <mliska@suse.cz>
9721 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
9722 of print_generic_expr.
9724 2021-04-21 Jakub Jelinek <jakub@redhat.com>
9726 PR rtl-optimization/100148
9727 * cprop.c (constprop_register): Use next_nondebug_insn instead of
9730 2021-04-21 Martin Liska <mliska@suse.cz>
9733 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
9734 free_dominance_info calls.
9736 2021-04-21 Richard Biener <rguenther@suse.de>
9738 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
9739 parameter (and assume it to be false).
9740 (fold_gimple_assign): Adjust, remove all callers of
9741 maybe_fold_reference calling it with is_lhs true.
9742 (gimple_fold_call): Likewise.
9743 (fold_stmt_1): Likewise.
9745 2021-04-21 Richard Biener <rguenther@suse.de>
9747 * fold-const.c (pedantic_non_lvalue_loc): Remove.
9748 (fold_binary_loc): Adjust.
9749 (fold_ternary_loc): Likewise.
9751 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
9753 PR middle-end/100130
9754 * varasm.c (get_block_for_decl): Make sure that any use of the
9755 retain attribute matches the section's retain flag.
9756 (switch_to_section): Check for retain mismatches even when
9757 changing sections, but do not warn if the given decl is the
9758 section's named.decl.
9759 (output_object_block): Pass the first decl in the block (if any)
9760 to switch_to_section.
9762 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
9764 * config/i386/i386-c.c (ix86_target_macros_internal): Define
9765 __CRC32__ for -mcrc32.
9766 * config/i386/i386-options.c (ix86_option_override_internal):
9767 Enable crc32 instruction for -msse4.2.
9768 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
9770 (sse4_2_crc32di): Likewise.
9771 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
9774 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
9777 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
9780 2021-04-20 Martin Liska <mliska@suse.cz>
9782 * doc/invoke.texi: Fix typo.
9783 * params.opt: Likewise.
9785 2021-04-20 Martin Liska <mliska@suse.cz>
9787 * doc/invoke.texi: Document new param.
9789 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
9791 PR tree-optimization/100081
9792 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
9793 rather than gori_compute_cache.
9794 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
9795 (range_def_chain::m_logical_depth): New member.
9796 (range_def_chain::range_def_chain): Initialize m_logical_depth.
9797 (range_def_chain::get_def_chain): Don't build defchains through more
9798 than LOGICAL_LIMIT logical expressions.
9799 * params.opt (param_ranger_logical_depth): New.
9801 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
9804 * config/arm/arm.c (arm_configure_build_target): Do not strip
9805 extended FPU/SIMD feature bits from the target ISA when -mfpu
9806 is specified (partial revert of r11-8168).
9808 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
9810 * params.opt (-param=openacc-kernels=): Add.
9811 * omp-oacc-kernels-decompose.cc
9812 (pass_omp_oacc_kernels_decompose::gate): Use it.
9813 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
9814 (--param): ... here, 'openacc-kernels'.
9816 2021-04-19 Martin Liska <mliska@suse.cz>
9819 * gengtype.c (finish_root_table): Align function arguments
9820 in between declaration and definition.
9822 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
9824 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
9825 frames larger than the SEH maximum frame size.
9827 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
9829 PR rtl-optimization/99927
9830 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
9831 is dead, just drop it.
9833 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
9836 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
9837 * doc/tm.texi: Regenerate.
9838 * doc/tm.texi.in (D language and ABI): Add @hook for
9839 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
9841 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
9843 * config/darwin-d.c (darwin_d_handle_target_object_format): New
9845 (darwin_d_register_target_info): New function.
9846 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9847 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
9849 (dragonfly_d_register_target_info): New function.
9850 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9851 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
9853 (freebsd_d_register_target_info): New function.
9854 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9855 * config/glibc-d.c (glibc_d_handle_target_object_format): New
9857 (glibc_d_register_target_info): New function.
9858 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9859 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
9861 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
9862 as handler for objectFormat key.
9863 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
9865 (winnt_d_register_target_info): New function.
9866 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9867 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
9869 (netbsd_d_register_target_info): New function.
9870 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9871 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
9873 (openbsd_d_register_target_info): New function.
9874 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9875 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
9876 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
9877 handler for objectFormat key.
9878 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
9880 (rs6000_d_register_target_info): Add
9881 rs6000_d_handle_target_object_format as handler for objectFormat key.
9882 * config/sol2-d.c (solaris_d_handle_target_object_format): New
9884 (solaris_d_register_target_info): New function.
9885 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9887 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9890 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
9891 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
9893 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
9894 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
9895 the old and new alignment after applying MIN/MAX to it is different.
9897 2021-04-16 Tamar Christina <tamar.christina@arm.com>
9900 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
9901 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
9903 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
9905 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
9907 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
9908 this section and its subsections.
9910 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9913 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
9914 define_insn patterns.
9916 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
9918 PR rtl-optimization/98689
9919 * reg-notes.def (UNTYPED_CALL): New note.
9920 * combine.c (distribute_notes): Handle it.
9921 * emit-rtl.c (try_split): Likewise.
9922 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
9923 that calls with the note implicitly set all return value registers.
9924 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
9927 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
9929 PR rtl-optimization/99596
9930 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
9931 register accesses for const calls. Assume that pure functions
9932 can only read from global registers. Ignore cases in which
9933 the stack pointer has been marked global.
9935 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9938 * tree-vect-loop.c (vect_transform_loop): Don't remove just
9939 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
9940 them by their last argument.
9942 2021-04-15 Martin Liska <mliska@suse.cz>
9944 * doc/invoke.texi: Other params don't use it, remove it.
9946 2021-04-15 Richard Biener <rguenther@suse.de>
9948 * gimple-builder.h: Add deprecation note.
9950 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
9953 * attribs.h (restrict_type_identity_attributes_to): Declare.
9954 * attribs.c (restrict_type_identity_attributes_to): New function.
9956 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
9959 * attribs.h (affects_type_identity_attributes): Declare.
9960 * attribs.c (remove_attributes_matching): New function.
9961 (affects_type_identity_attributes): Likewise.
9963 2021-04-15 Jakub Jelinek <jakub@redhat.com>
9966 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
9967 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
9968 ZERO_EXTEND, SIGN_EXTEND or AND.
9970 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9972 PR rtl-optimization/99929
9973 * rtl.h (same_vector_encodings_p): New function.
9974 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
9975 * cselib.c (rtx_equal_for_cselib_1): Likewise.
9976 * jump.c (rtx_renumbered_equal_p): Likewise.
9977 * lra-constraints.c (operands_match_p): Likewise.
9978 * reload.c (operands_match_p): Likewise.
9979 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
9981 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9983 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
9984 more information about variable-length CONST_VECTORs.
9986 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
9988 PR rtl-optimization/100066
9989 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
9990 ordered modes when choosing splitting mode for hard reg.
9992 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9995 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
9997 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
9999 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
10001 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
10002 for mask operand types.
10003 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
10004 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
10006 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
10008 * config/s390/s390.c (s390_const_operand_ok): Check the new
10009 operand types and generate a list of valid values.
10011 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
10013 * doc/tm.texi: Regenerate.
10014 * doc/tm.texi.in (D language and ABI): Add @hook for
10015 TARGET_D_REGISTER_OS_TARGET_INFO.
10017 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
10019 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
10021 (aarch64_d_register_target_info): New function.
10022 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
10024 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
10026 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
10027 (arm_d_register_target_info): New function.
10028 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
10029 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
10030 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
10031 (ix86_d_register_target_info): New function.
10032 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
10033 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
10034 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
10035 (mips_d_register_target_info): New function.
10036 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
10037 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
10038 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
10039 (pa_d_register_target_info): New function.
10040 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
10041 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
10042 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
10044 (riscv_d_register_target_info): New function.
10045 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
10046 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
10047 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
10049 (rs6000_d_register_target_info): New function.
10050 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
10052 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
10053 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
10054 (s390_d_register_target_info): New function.
10055 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
10056 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
10057 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
10059 (sparc_d_register_target_info): New function.
10060 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
10061 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
10062 * doc/tm.texi: Regenerate.
10063 * doc/tm.texi.in (D language and ABI): Add @hook for
10064 TARGET_D_REGISTER_CPU_TARGET_INFO.
10066 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
10068 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
10069 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
10070 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
10071 * doc/tm.texi: Regenerate.
10072 * doc/tm.texi.in (D language and ABI): Add @hook for
10073 TARGET_D_HAS_STDCALL_CONVENTION.
10075 2021-04-14 Richard Biener <rguenther@suse.de>
10077 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
10078 VEC_COND_EXPRs have a gimple_val condition.
10079 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
10080 can no longer have a GENERIC condition.
10082 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
10085 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
10086 from the isa_delta when -mfpu has been used.
10087 (arm_options_perform_arch_sanity_checks): It's the architecture that
10088 lacks an FPU not the processor.
10090 2021-04-13 Richard Biener <rguenther@suse.de>
10092 PR tree-optimization/100053
10093 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
10094 not use optimistic dominance queries for backedges to validate
10096 (dominated_by_p_w_unex): Add parameter to ignore executable
10097 state on backedges.
10098 (rpo_elim::eliminate_avail): Adjust.
10100 2021-04-13 Jakub Jelinek <jakub@redhat.com>
10103 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
10104 *aarch64_bfxilsi_extrdi): New define_insn patterns.
10106 2021-04-13 Jakub Jelinek <jakub@redhat.com>
10109 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
10110 outermode, return NULL if the result doesn't encode back to the
10111 original byte sequence.
10112 (simplify_gen_subreg): Don't create SUBREGs from constants to
10113 MODE_COMPOSITE_P outermode.
10115 2021-04-12 Jakub Jelinek <jakub@redhat.com>
10117 PR rtl-optimization/99905
10118 * combine.c (expand_compound_operation): If pos + len > modewidth,
10119 perform the right shift by pos in inner_mode and then convert to mode,
10120 instead of trying to simplify a shift of rtx with inner_mode by pos
10121 as if it was a shift in mode.
10123 2021-04-12 Jakub Jelinek <jakub@redhat.com>
10126 * combine.c (simplify_and_const_int_1): Don't optimize varop
10127 away if it has side-effects.
10129 2021-04-12 Martin Liska <mliska@suse.cz>
10131 * doc/extend.texi: Escape @smallexample content.
10133 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
10135 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
10136 alternative in order to load a DFP zero.
10138 2021-04-12 Martin Liska <mliska@suse.cz>
10140 * doc/extend.texi: Be more precise in documentation
10141 of symver attribute.
10143 2021-04-12 Martin Liska <mliska@suse.cz>
10146 * gimplify.c (gimplify_expr): Right now, we unpoison all
10147 variables before a goto <dest>. We should not do it if we are
10150 2021-04-12 Cui,Lili <lili.cui@intel.com>
10152 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
10154 * common/config/i386/i386-common.c (processor_names): Add
10156 (processor_alias_table): Add rocketlake.
10157 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
10158 INTEL_COREI7_ROCKETLAKE.
10159 * config.gcc: Add -march=rocketlake.
10160 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
10162 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
10163 (processor_cost_table): Add rocketlake cost.
10164 * config/i386/i386.h (ix86_size_cost) : Define
10166 (processor_type) : Add PROCESSOR_ROCKETLAKE.
10167 (PTA_ROCKETLAKE): Ditto.
10168 * doc/extend.texi: Add rocketlake.
10169 * doc/invoke.texi: Add rocketlake.
10171 2021-04-12 Cui,Lili <lili.cui@intel.com>
10173 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
10174 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
10175 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
10176 * doc/invoke.texi: Change alderlake ISA list.
10178 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
10180 PR middle-end/98088
10181 * omp-expand.c (expand_oacc_collapse_init): Update condition in
10184 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
10187 * config/i386/serializeintrin.h (_serialize): Defined as macro.
10189 2021-04-10 Jakub Jelinek <jakub@redhat.com>
10192 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
10193 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
10195 2021-04-10 Jakub Jelinek <jakub@redhat.com>
10197 PR middle-end/99989
10198 * gimple-ssa-warn-alloca.c
10199 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
10200 0 with integer precision unconditionally.
10202 2021-04-10 Jakub Jelinek <jakub@redhat.com>
10204 PR rtl-optimization/98601
10205 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
10206 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
10207 unaligned_mems handle VOIDmode like BLKmode.
10209 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
10212 * tree.c (free_lang_data_in_decl): Do not release body of
10213 declare_variant_alt.
10215 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
10217 * config/aarch64/aarch64.c (aarch64_option_restore): If the
10218 architecture was specified explicitly and the tuning wasn't,
10219 tune for the architecture rather than the configured default CPU.
10221 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
10223 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
10224 as the temporary register.
10226 2021-04-09 Martin Liska <mliska@suse.cz>
10228 * doc/extend.texi: Move non-target attributes on the top level.
10230 2021-04-09 Martin Liska <mliska@suse.cz>
10232 * doc/invoke.texi: Document minimum and maximum value of the
10233 argument for both supported compression algorithms.
10235 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
10237 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
10238 TLS BSS before TLS data.
10239 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
10241 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
10243 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
10245 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
10247 * match.pd: Extend vec_cond folds to handle shifts.
10249 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
10251 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
10254 2021-04-08 Alex Coplan <alex.coplan@arm.com>
10257 * config/arm/iterators.md (MVE_vecs): New.
10258 (V_elem): Also handle V2DF.
10259 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
10260 (*mve_vdup<mode>): ... this. Remove second alternative since
10261 vec_duplicate of const_int is not canonical RTL, and we don't
10262 want to match symbol_refs.
10263 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
10265 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
10267 * fold-const.c (fold_single_bit_test): Fix typo.
10268 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
10271 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
10273 PR tree-optimization/97513
10274 * tree-vect-slp.c (vect_add_slp_permutation): New function,
10276 (vectorizable_slp_permutation): ...here. Detect cases in which
10277 all VEC_PERM_EXPRs are guaranteed to have the same stepped
10278 permute vector and only generate one permute vector for that case.
10279 Extend that case to handle variable-length vectors.
10281 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
10283 PR tree-optimization/99873
10284 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
10285 (vect_build_slp_instance): Don't split store groups that could
10286 use IFN_STORE_LANES.
10288 2021-04-07 Jakub Jelinek <jakub@redhat.com>
10291 * varasm.c (output_constant_pool_contents): Don't strip name encoding
10292 from XSTR (desc->sym, 0) or from label before passing those to
10295 2021-04-07 Richard Biener <rguenther@suse.de>
10297 PR tree-optimization/99954
10298 * tree-loop-distribution.c: Include tree-affine.h.
10299 (generate_memcpy_builtin): Try using tree-affine to prove
10301 (loop_distribution::classify_builtin_ldst): Always classify
10304 2021-04-07 Richard Biener <rguenther@suse.de>
10306 PR tree-optimization/99947
10307 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
10308 steps vector to avoid pushing elements from the reallocated
10311 2021-04-07 Richard Biener <rguenther@suse.de>
10313 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
10314 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
10316 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
10318 (debug_vn_reference_ops): New.
10320 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
10322 PR tree-optimization/98736
10323 * tree-loop-distribution.c
10324 * (loop_distribution::bb_top_order_init):
10325 Compute RPO with programing order preserved by calling function
10326 rev_post_order_and_mark_dfs_back_seme.
10328 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
10331 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
10332 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
10334 (process_bb_lives): Don't update biggest mode of hard reg for
10335 implicit in multi-register group. Use the new functions for
10336 updating dead_set and unused_set by register notes.
10338 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
10340 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
10343 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
10345 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
10346 (skylake_memset): Likewise.
10347 (skylake_cost): Change CLEAR_RATIO to 17.
10348 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
10349 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
10350 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
10352 2021-04-06 Richard Biener <rguenther@suse.de>
10354 PR tree-optimization/99880
10355 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
10356 set vectorized defs of relevant PHIs.
10358 2021-04-06 Richard Biener <rguenther@suse.de>
10360 PR tree-optimization/99924
10361 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
10362 nodes w/o scalar stmts as visited.
10364 2021-04-06 Alex Coplan <alex.coplan@arm.com>
10367 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
10368 PCS for [su]fix_optab.
10370 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
10372 * config/darwin.c (machopic_legitimize_pic_address): Check
10373 that the current pic register is one of the hard reg set
10374 before setting liveness.
10376 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
10378 * config/darwin.c (machopic_legitimize_pic_address): Fix
10379 whitespace, remove unused code.
10381 2021-04-03 Jakub Jelinek <jakub@redhat.com>
10383 PR tree-optimization/99882
10384 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
10387 2021-04-03 Jakub Jelinek <jakub@redhat.com>
10389 PR rtl-optimization/99863
10390 * dse.c (replace_read): Drop regs_live argument. Instead of
10391 regs_live, use store_insn->fixed_regs_live if non-NULL,
10392 otherwise punt if insns sequence clobbers or sets any hard
10395 2021-04-03 Jakub Jelinek <jakub@redhat.com>
10398 * targhooks.h (default_print_patchable_function_entry_1): Declare.
10399 * targhooks.c (default_print_patchable_function_entry_1): New function,
10400 copied from default_print_patchable_function_entry with an added flags
10402 (default_print_patchable_function_entry): Rewritten into a small
10403 wrapper around default_print_patchable_function_entry_1.
10404 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
10406 (rs6000_print_patchable_function_entry): New function.
10408 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
10410 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
10412 2021-04-01 Jason Merrill <jason@redhat.com>
10415 * common.opt: Document v15 and v16.
10417 2021-04-01 Richard Biener <rguenther@suse.de>
10419 PR tree-optimization/99863
10420 * gimplify.c (gimplify_init_constructor): Recompute vector
10423 2021-04-01 Jakub Jelinek <jakub@redhat.com>
10425 * doc/extend.texi (symver attribute): Fix up syntax errors
10428 2021-04-01 Jakub Jelinek <jakub@redhat.com>
10430 PR tree-optimization/96573
10431 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
10432 also pointer types.
10434 2021-04-01 Richard Biener <rguenther@suse.de>
10436 PR tree-optimization/99856
10437 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
10438 precision to vector element precision.
10440 2021-04-01 Martin Jambor <mjambor@suse.cz>
10442 PR tree-optimization/97009
10443 * tree-sra.c (access_or_its_child_written): New function.
10444 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
10447 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
10450 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
10452 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
10455 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
10456 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
10457 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
10458 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
10459 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
10460 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
10462 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
10463 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
10464 (define_attr "prefixed"): Update initializer.
10466 2021-03-31 Jakub Jelinek <jakub@redhat.com>
10469 * dwarf2out.c (debug_ranges_dwo_section): New variable.
10470 (DW_RANGES_IDX_SKELETON): Define.
10471 (struct dw_ranges): Add begin_entry and end_entry members.
10472 (DEBUG_DWO_RNGLISTS_SECTION): Define.
10473 (add_ranges_num): Adjust r initializer for addition of *_entry
10475 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
10476 set idx to DW_RANGES_IDX_SKELETON.
10477 (use_distinct_base_address_for_range): New function.
10478 (index_rnglists): Don't set r->idx if it is equal to
10479 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
10480 r->end_entry for -gsplit-dwarf if those will be needed by
10482 (output_rnglists): Add DWO argument. If true, switch to
10483 debug_ranges_dwo_section rather than debug_ranges_section.
10484 Adjust l1/l2 label indexes. Only output the offset table when
10485 dwo is true and don't include in there the skeleton range
10486 entry if present. For -gsplit-dwarf, skip ranges that belong
10487 to the other rnglists section. Change return type from void
10488 to bool and return true if there are any range entries for
10489 the other section. For dwarf_split_debug_info use
10490 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
10491 entries instead of DW_RLE_start_end, DW_RLE_start_length and
10492 DW_RLE_base_address. Use use_distinct_base_address_for_range.
10493 (init_sections_and_labels): Initialize debug_ranges_dwo_section
10494 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
10495 and range_base_label indexes.
10496 (dwarf2out_finish): Call index_rnglists earlier before finalizing
10497 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
10498 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
10499 with different dwo arguments.
10500 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
10502 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
10504 PR tree-optimization/98268
10505 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
10506 recompute_tree_invariant_for_addr_expr after successfully
10507 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
10509 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
10511 PR tree-optimization/99726
10512 * tree-data-ref.c (create_intersect_range_checks_index): Bail
10513 out if there is more than one access function SCEV for the loop
10516 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
10518 PR rtl-optimization/97141
10519 PR rtl-optimization/98726
10520 * emit-rtl.c (valid_for_const_vector_p): Return true for
10522 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
10523 poly_wide_int instead of a wide_int.
10524 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
10526 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
10527 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
10528 false for CONST_VECTORs that cannot be forced to memory.
10529 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
10530 is too complex to force to memory, build it up from individual
10533 2021-03-31 Jan Hubicka <jh@suse.cz>
10536 * cgraph.c (cgraph_node::release_body): Fix overactive check.
10538 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
10541 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
10544 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
10546 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
10547 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
10549 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
10550 "rep movsb/stosb" only for known sizes.
10551 * config/i386/i386-options.c (processor_cost_table): Use Ice
10552 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
10553 Rapids and Alder Lake.
10554 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
10555 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
10556 (icelake_memset): Likewise.
10557 (icelake_cost): Likewise.
10558 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
10561 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
10564 * config/aarch64/aarch64.c
10565 (aarch64_vectorize_preferred_vector_alignment): Query the size
10566 of the provided SVE vector; do not assume that all SVE vectors
10567 have the same size.
10569 2021-03-31 Jan Hubicka <jh@suse.cz>
10572 * cgraph.c (cgraph_node::release_body): Remove all callers and
10574 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
10575 * cgraphunit.c (cgraph_node::expand): And here.
10577 2021-03-31 Martin Liska <mliska@suse.cz>
10579 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
10580 and one negated condition.
10582 2021-03-31 Jakub Jelinek <jakub@redhat.com>
10583 Richard Sandiford <richard.sandiford@arm.com>
10586 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
10587 constraints on operands[2] and similarly 0 and rk constraints
10588 on operands[1] corresponding to that.
10590 2021-03-31 Jakub Jelinek <jakub@redhat.com>
10593 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
10594 linker doesn't support DWARF sections new in DWARF5.
10595 * config/i386/i386-options.c (ix86_option_override_internal): Default
10596 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
10598 * config.in: Regenerated.
10599 * configure: Regenerated.
10601 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10604 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
10605 available issue_info before using it.
10607 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10610 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
10613 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
10616 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
10617 (altivec_lvsl_reg_<mode>): ... this.
10618 (altivec_lvsr_reg): Change to ...
10619 (altivec_lvsr_reg_<mode>): ... this.
10620 * config/rs6000/predicates.md (vec_set_index_operand): New.
10621 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10622 Enable 32bit variable vec_insert for all TARGET_VSX.
10623 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
10624 Enable 32bit variable vec_insert for p9 and above.
10625 (rs6000_expand_vector_set_var_p8): Rename to ...
10626 (rs6000_expand_vector_set_var_p7): ... this.
10627 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
10629 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
10630 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
10631 gen_altivec_lvsr_reg_di.
10633 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
10636 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
10637 (__rdtscp): Likewise.
10639 2021-03-30 Tamar Christina <tamar.christina@arm.com>
10641 PR tree-optimization/99825
10642 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
10643 Reject non-mult 2 lanes.
10645 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
10648 * config/arm/arm.c (arm_file_start): Fix emission of
10649 Tag_ABI_VFP_args attribute.
10651 2021-03-30 Richard Biener <rguenther@suse.de>
10653 PR tree-optimization/99824
10654 * stor-layout.c (set_min_and_max_values_for_integral_type):
10655 Assert the precision is within the bounds of
10656 WIDE_INT_MAX_PRECISION.
10657 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
10658 the outermost component ref only to lower the access size
10659 and initialize that from the access type.
10661 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
10664 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
10665 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
10667 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
10669 * config/aarch64/aarch64.md
10670 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
10671 attribute to disambiguate between SIMD and FP variants of the
10674 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
10676 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
10677 (analyze_ssa_name_flags): Fix typo in comment.
10679 2021-03-29 Alex Coplan <alex.coplan@arm.com>
10682 * config/aarch64/aarch64-sve-builtins.cc
10683 (function_builder::add_function): Add placeholder_p argument, use
10684 placeholder decls if this is set.
10685 (function_builder::add_unique_function): Instead of conditionally adding
10686 direct overloads, unconditionally add either a direct overload or a
10688 (function_builder::add_overloaded_function): Set placeholder_p if we're
10689 using C++ overloads. Use the obstack for string storage instead
10690 of relying on the tree nodes.
10691 (function_builder::add_overloaded_functions): Don't return early for
10692 m_direct_overloads: we need to add placeholders.
10693 * config/aarch64/aarch64-sve-builtins.h
10694 (function_builder::add_function): Add placeholder_p argument.
10696 2021-03-29 Richard Biener <rguenther@suse.de>
10698 PR tree-optimization/99807
10699 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
10700 assert below VEC_PERM handling.
10702 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10705 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
10706 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
10707 matching const_int 0.
10708 (move_lo_quad_internal_be_<mode>): Likewise.
10709 (move_lo_quad_<mode>): Update for the above.
10710 * config/aarch64/iterators.md (VQ_2E): Delete.
10712 2021-03-29 Jakub Jelinek <jakub@redhat.com>
10714 PR tree-optimization/99777
10715 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
10716 types other than scalar integral types.
10718 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
10720 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
10721 XCOFF TLS reloc decorations.
10723 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
10725 * doc/analyzer.texi (Analyzer Internals): Update link to
10726 "A Memory Model for Static Analysis of C Programs".
10728 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
10730 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
10731 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
10733 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
10734 (rs6000_special_round_type_align): Recursively check innermost first
10737 2021-03-26 Jakub Jelinek <jakub@redhat.com>
10740 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
10741 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
10742 assignment with drap_reg active, queue reg save for hfp with offset 0
10743 and flush queued reg saves. When handling a push with rule18,
10744 defer queueing reg save for hfp and just assert the offset is 0.
10745 (scan_trace): Assert that fde->rule18 is false.
10747 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
10750 * ira-costs.c (record_reg_classes): Put case with
10751 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
10752 * ira.c (ira_setup_alts): Ditto.
10753 * lra-constraints.c (process_alt_operands): Ditto.
10754 * recog.c (asm_operand_ok): Ditto.
10755 * reload.c (find_reloads): Ditto.
10757 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10759 * config/aarch64/aarch64-protos.h
10760 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
10761 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
10762 * config/aarch64/aarch64.c (generic_addrcost_table): Update
10763 accordingly, using the same costs as for post_modify.
10764 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
10765 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
10766 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
10767 (a64fx_addrcost_table): Likewise.
10768 (neoversev1_addrcost_table): New.
10769 (neoversev1_tunings): Use neoversev1_addrcost_table.
10770 (aarch64_address_cost): Use the new post_modify costs for CImode
10773 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10775 * config/aarch64/aarch64.opt
10776 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
10777 * doc/invoke.texi: Document it.
10778 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
10779 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
10780 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
10781 (aarch64_vec_issue_info): New structures.
10782 (cpu_vector_cost): Write comments above the variables rather
10784 (cpu_vector_cost::issue_info): New member variable.
10785 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
10786 and tree-ssa-loop-niter.h.
10787 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
10788 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
10789 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
10790 (thunderx3t110_vector_cost): Initialize issue_info to null.
10791 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
10792 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
10793 (neoversev1_vector_cost): Use them.
10794 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
10795 (aarch64_vector_costs::saw_sve_only_op): New member variable.
10796 (aarch64_vector_costs::num_vector_iterations): Likewise.
10797 (aarch64_vector_costs::scalar_ops): Likewise.
10798 (aarch64_vector_costs::advsimd_ops): Likewise.
10799 (aarch64_vector_costs::sve_ops): Likewise.
10800 (aarch64_vector_costs::seen_loads): Likewise.
10801 (aarch64_simd_vec_costs_for_flags): New function.
10802 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
10803 Count the number of predicate operations required by SVE WHILE
10805 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
10806 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
10807 (aarch64_count_ops): Likewise.
10808 (aarch64_add_stmt_cost): Record whether see an SVE operation
10809 that cannot currently be implementing using Advanced SIMD.
10810 Record issue information about the scalar, Advanced SIMD
10811 and (where relevant) SVE versions of a loop.
10812 (aarch64_vec_op_count::dump): New function.
10813 (aarch64_sve_op_count::dump): Likewise.
10814 (aarch64_estimate_min_cycles_per_iter): Likewise.
10815 (aarch64_adjust_body_cost): If issue information is available,
10816 try to compare the issue rates of the various loop implementations
10817 and increase or decrease the vector body cost accordingly.
10819 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10821 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
10822 Assume a zero cost for induction phis.
10824 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10826 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
10828 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
10829 vector comparisons.
10831 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10833 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
10835 (aarch64_add_stmt_cost): Call it.
10837 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10839 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
10840 New tuning parameter.
10841 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
10842 (aarch64_estimated_sve_vq): New function.
10843 (aarch64_vector_costs::analyzed_vinfo): New member variable.
10844 (aarch64_vector_costs::is_loop): Likewise.
10845 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
10846 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
10847 (aarch64_record_potential_advsimd_unrolling): New function.
10848 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
10849 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
10850 aarch64_analyze_bb_vinfo on the first use of a costs structure.
10851 Detect whether we're vectorizing a loop for SVE that might be
10852 completely unrolled if it used Advanced SIMD instead.
10853 (aarch64_adjust_body_cost_for_latency): New function.
10854 (aarch64_finish_cost): Call it.
10856 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10858 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
10859 (aarch64_init_cost): New function.
10860 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
10861 the default unsigned[3].
10862 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
10863 (TARGET_VECTORIZE_INIT_COST): Override.
10864 (TARGET_VECTORIZE_FINISH_COST): Likewise.
10865 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
10867 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10869 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
10870 (neoversev1_sve_vector_cost): New cost structures.
10871 (neoversev1_vector_cost): Likewise.
10872 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
10874 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10876 * config/aarch64/aarch64-protos.h
10877 (sve_vec_cost::scatter_store_elt_cost): New member variable.
10878 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
10879 accordingly, taking the cost from the cost of a scalar_store.
10880 (a64fx_sve_vector_cost): Likewise.
10881 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
10883 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10885 * config/aarch64/aarch64-protos.h
10886 (simd_vec_cost::store_elt_extra_cost): New member variable.
10887 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10888 accordingly, using the vec_to_scalar cost for the new field.
10889 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10890 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10891 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10892 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10893 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10894 (thunderx3t110_advsimd_vector_cost): Likewise.
10895 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
10897 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10899 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
10900 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
10901 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
10902 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10903 accordingly, using zero for the new costs.
10904 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10905 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10906 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10907 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10908 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10909 (thunderx3t110_advsimd_vector_cost): Likewise.
10910 (aarch64_ld234_st234_vectors): New function.
10911 (aarch64_adjust_stmt_cost): Likewise.
10912 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
10913 the new vector costs.
10915 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10917 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
10918 derived class of simd_vec_cost. Add information about CLAST[AB]
10919 and FADDA instructions.
10920 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
10921 accordingly, using the vec_to_scalar costs for the new fields.
10922 (a64fx_sve_vector_cost): Likewise.
10923 (aarch64_reduc_type): New function.
10924 (aarch64_sve_in_loop_reduction_latency): Likewise.
10925 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
10926 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
10927 that occur in the loop body.
10928 (aarch64_add_stmt_cost): Update call accordingly.
10930 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10932 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
10934 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
10935 above the fields rather than to the right.
10936 (simd_vec_cost::reduc_i8_cost): New member variable.
10937 (simd_vec_cost::reduc_i16_cost): Likewise.
10938 (simd_vec_cost::reduc_i32_cost): Likewise.
10939 (simd_vec_cost::reduc_i64_cost): Likewise.
10940 (simd_vec_cost::reduc_f16_cost): Likewise.
10941 (simd_vec_cost::reduc_f32_cost): Likewise.
10942 (simd_vec_cost::reduc_f64_cost): Likewise.
10943 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10944 accordingly, using the vec_to_scalar_cost for the new fields.
10945 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10946 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10947 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10948 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10949 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10950 (thunderx3t110_advsimd_vector_cost): Likewise.
10951 (aarch64_use_new_vector_costs_p): New function.
10952 (aarch64_simd_vec_costs): New function, split out from...
10953 (aarch64_builtin_vectorization_cost): ...here.
10954 (aarch64_is_reduction): New function.
10955 (aarch64_detect_vector_stmt_subtype): Likewise.
10956 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
10957 using the new vector costs.
10959 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10962 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
10963 TLS declarations as public.
10965 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10967 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
10968 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
10969 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
10970 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
10971 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
10972 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
10973 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
10974 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
10975 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
10977 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10980 * config.gcc (*-*-cygwin*): Add winnt-d.o
10981 (*-*-mingw*): Likewise.
10982 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
10983 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
10984 * config/i386/t-cygming: Add winnt-d.o.
10985 * config/i386/winnt-d.c: New file.
10987 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10989 * config/freebsd-d.c: Include memmodel.h.
10991 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10994 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
10995 * config/t-openbsd: Add openbsd-d.o.
10996 * config/openbsd-d.c: New file.
10998 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
11000 PR tree-optimization/96974
11001 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
11002 with graceful exit.
11004 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
11007 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
11011 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
11012 always_inline in system headers.
11014 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
11016 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
11018 2021-03-25 Jakub Jelinek <jakub@redhat.com>
11021 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
11022 * fold-const.c (operand_compare::operand_equal_p): Don't compare
11023 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
11025 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
11029 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
11030 always_inline in system headers.
11032 2021-03-25 Richard Biener <rguenther@suse.de>
11034 PR tree-optimization/99746
11035 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
11036 the scalar stmt as patterned. Instead set up required things
11039 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
11041 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
11044 2021-03-24 Martin Liska <mliska@suse.cz>
11047 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
11049 * config/i386/i386-options.c (ix86_option_override_internal):
11050 Add run-time assert.
11052 2021-03-24 Martin Jambor <mjambor@suse.cz>
11055 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
11056 parameters with unknown type.
11057 (ipacp_value_safe_for_type): New function.
11058 (propagate_vals_across_arith_jfunc): Verify that the constant type
11059 can be used for a type of the formal parameter.
11060 (propagate_vals_across_ancestor): Likewise.
11061 (propagate_scalar_across_jump_function): Likewise. Pass the type
11062 also to propagate_vals_across_ancestor.
11064 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
11067 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
11069 (movmisalign<mode>_mve_load): Likewise.
11071 2021-03-24 Jakub Jelinek <jakub@redhat.com>
11074 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
11075 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
11077 2021-03-24 Alexandre Oliva <oliva@adacore.com>
11079 * doc/sourcebuild.texi (sysconf): New effective target.
11081 2021-03-24 Alexandre Oliva <oliva@adacore.com>
11083 * config/i386/predicates.md (reg_or_const_vec_operand): New.
11084 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
11085 the now *-prefixed insn_and_split, turn the splitter const vec
11086 into an input for the insn, making it an ignored immediate for
11087 non-split cases, and loaded into the scratch register
11090 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
11093 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
11094 Use define_relaxed_memory_constraint for them.
11096 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
11099 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
11100 colon to the diagnostic message.
11102 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
11104 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
11106 (try_fwprop_subst_note): Use set_info instead of insn_info.
11107 (try_fwprop_subst_pattern): Likewise.
11108 (try_fwprop_subst_notes): Likewise.
11109 (try_fwprop_subst): Likewise.
11110 (forward_propagate_subreg): Likewise.
11111 (forward_propagate_and_simplify): Likewise.
11112 (forward_propagate_into): Likewise.
11113 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
11115 (set_info::single_nondebug_insn_use): Likewise.
11116 (set_info::single_phi_use): Likewise.
11117 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
11119 (set_info::single_nondebug_insn_use): Likewise.
11120 (set_info::single_phi_use): Likewise.
11122 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
11124 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
11126 2021-03-23 Jakub Jelinek <jakub@redhat.com>
11129 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
11130 expand_mult to perform an unsigned rather than a signed
11133 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
11136 * config/i386/cpuid.h (__cpuid): Add __volatile__.
11137 (__cpuid_count): Likewise.
11139 2021-03-23 Richard Biener <rguenther@suse.de>
11141 PR tree-optimization/99721
11142 * tree-vect-slp.c (vect_slp_analyze_node_operations):
11143 Make sure we can schedule the node.
11145 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
11147 * config/riscv/riscv.c (riscv_subword): Take endianness into
11148 account when calculating the byte offset.
11150 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
11152 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
11153 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
11154 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
11155 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
11156 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
11157 new predicate "subreg_lowpart_operator"
11159 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
11161 * config/riscv/riscv.c (riscv_swap_instruction): New function
11162 to byteswap an SImode rtx containing an instruction.
11163 (riscv_trampoline_init): Byteswap the generated instructions
11166 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
11168 * common/config/riscv/riscv-common.c
11169 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
11170 * config.gcc (riscv32be-*, riscv64be-*): Set
11171 TARGET_BIG_ENDIAN_DEFAULT to 1.
11172 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
11173 depending on default endianness.
11174 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
11175 * config/riscv/linux.h (LINK_SPEC): Likewise.
11176 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
11177 default endianness.
11178 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
11180 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
11182 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
11183 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
11184 * config/riscv/linux.h (LINK_SPEC): Likewise.
11185 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
11187 (BYTES_BIG_ENDIAN): Handle big endian.
11188 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
11189 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
11191 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
11193 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
11195 * regcprop.c (find_oldest_value_reg): Ask target whether
11196 different mode is fine for replacement register.
11198 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
11200 PR tree-optimization/99296
11201 * value-range.cc (irange::irange_set_1bit_anti_range): New.
11202 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
11203 * value-range.h (irange::irange_set_1bit_anti_range): New.
11205 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
11208 * config/aarch64/constraints.md (UtQ): Use
11209 define_relaxed_memory_constraint for it.
11210 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
11211 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
11212 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
11213 (have_relaxed_memory_constraints): New static var.
11214 (relaxed_memory_start, relaxed_memory_end): Ditto.
11215 (add_constraint): Add arg is_relaxed_memory. Check name for
11216 relaxed memory. Set up is_relaxed_memory in constraint_data and
11217 have_relaxed_memory_constraints. Adjust calls.
11218 (choose_enum_order): Process relaxed memory.
11219 (write_tm_preds_h): Ditto.
11220 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
11221 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
11222 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
11223 * ira-lives.c (single_reg_class): Use
11224 insn_extra_relaxed_memory_constraint.
11225 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
11226 * lra-constraints.c (valid_address_p): Use
11227 insn_extra_relaxed_memory_constraint instead of other memory
11229 (process_alt_operands): Process CT_RELAXED_MEMORY.
11230 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
11231 * recog.c (asm_operand_ok, preprocess_constraints): Process
11233 * reload.c (find_reloads): Ditto.
11234 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
11235 * stmt.c (parse_input_constraint): Use
11236 insn_extra_relaxed_memory_constraint.
11238 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
11241 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
11244 2021-03-22 Alex Coplan <alex.coplan@arm.com>
11247 * config/arm/arm-protos.h (neon_make_constant): Add generate
11248 argument to guard emitting insns, default to true.
11249 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
11250 CONST_VECTORs which neon_make_constant can't handle.
11251 (neon_vdup_constant): Add generate argument, avoid emitting
11252 insns if it's not set.
11253 (neon_make_constant): Plumb new generate argument through.
11254 * config/arm/constraints.md (Ui): New. Use it...
11255 * config/arm/mve.md (*mve_mov<mode>): ... here.
11256 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
11257 synthesize constants.
11259 2021-03-22 Richard Biener <rguenther@suse.de>
11261 * debug.h: Add deprecation warning.
11263 2021-03-22 Richard Biener <rguenther@suse.de>
11265 PR tree-optimization/99694
11266 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
11269 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
11272 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
11273 after type checking.
11275 2021-03-22 Jakub Jelinek <jakub@redhat.com>
11279 * dwarf2out.c (get_full_len): Use get_precision rather than
11281 (add_const_value_attribute): Make sure add_AT_wide argument has
11282 precision prec rather than some very wide one.
11284 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
11286 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
11287 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
11288 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
11289 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
11290 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
11291 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
11292 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
11293 *fix_trunc<mode>si2_internal): Fix empty split condition.
11294 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
11295 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
11296 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
11297 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
11299 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
11302 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
11303 Convert idx to DImode.
11304 (rs6000_expand_vector_set_var_p8): Likewise.
11306 2021-03-21 Jakub Jelinek <jakub@redhat.com>
11309 * dwarf2out.c (insert_float): Change return type from void to
11310 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
11311 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
11314 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
11317 * config/i386/i386.c (construct_container): Check cfun != NULL
11318 before accessing silent_p.
11320 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
11322 * asan.c: Fix typos in comments.
11324 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
11326 PR rtl-optimization/99680
11327 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
11328 (process_address_1): Check empty constraint before using
11331 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
11333 * config/rs6000/rs6000.c (power10_cost): New.
11334 (rs6000_option_override_internal): Set Power10 costs.
11335 (rs6000_issue_rate): Set Power10 issue rate.
11336 * config/rs6000/power10.md: Rewrite for Power10.
11338 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
11341 * lra-constraints.c (process_address_1): Don't use unknown
11342 constraint for address constraint.
11344 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
11347 * config.gcc (powerpc-*-darwin8): Delete the reference to
11348 the now removed darwin8.h.
11350 2021-03-19 Olivier Hainque <hainque@adacore.com>
11353 * config/vxworksae.h (VX_CPU_PREFIX): Define.
11355 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
11357 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
11359 2021-03-19 Tamar Christina <tamar.christina@arm.com>
11361 PR tree-optimization/99656
11362 * tree-vect-slp-patterns.c (linear_loads_p,
11363 complex_add_pattern::matches, is_eq_or_top,
11364 vect_validate_multiplication, complex_mul_pattern::matches,
11365 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
11366 * tree-vectorizer.h: (complex_load_perm_t): Removed.
11367 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
11368 complex_load_perm_t.
11370 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
11373 * config/i386/i386-options.c (ix86_init_machine_status): Set
11375 * config/i386/i386.c (init_cumulative_args): Set silent_p to
11377 (construct_container): Return early for return and argument
11378 errors if silent_p is true.
11379 * config/i386/i386.h (machine_function): Add silent_p.
11381 2021-03-19 Jakub Jelinek <jakub@redhat.com>
11384 * config/arm/constraints.md (Ds): New constraint.
11385 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
11386 constraint instead of w,Dm.
11388 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
11390 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
11393 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
11395 PR middle-end/99641
11396 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
11397 array type, do the computation of the current position in sizetype.
11399 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
11402 * lra-constraints.c (process_address_1): Use lookup_constraint
11403 only for a single constraint.
11405 2021-03-18 Martin Sebor <msebor@redhat.com>
11407 PR middle-end/99502
11408 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
11409 (inbounds_memaccess_p): ...to this. Check the ending offset of
11410 the accessed member.
11412 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
11414 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
11415 %> quote markers to error messages.
11416 (gcn_goacc_validate_dims): Likewise.
11417 (gcn_conditional_register_usage): Remove exclaimation mark from error
11419 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
11421 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
11423 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
11426 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
11427 Kito Cheng <kito.cheng@sifive.com>
11429 * config/riscv/riscv.c (riscv_block_move_straight): Change type
11430 to unsigned HOST_WIDE_INT for parameter and local variable with
11431 HOST_WIDE_INT type.
11432 (riscv_adjust_block_mem): Ditto.
11433 (riscv_block_move_loop): Ditto.
11434 (riscv_expand_block_move): Ditto.
11436 2021-03-18 Nick Clifton <nickc@redhat.com>
11438 * config/v850/v850.c (construct_restore_jr): Increase static
11440 (construct_save_jarl): Likewise.
11441 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
11443 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11445 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
11446 (aarch64_override_options_internal): Use it.
11447 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
11450 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
11452 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
11453 error message format issues.
11454 (nios2_option_override): Likewise.
11455 (nios2_expand_fpu_builtin): Likewise.
11456 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
11457 truncation warning.
11458 (nios2_expand_custom_builtin): More error message format fixes.
11459 (nios2_expand_rdwrctl_builtin): Likewise.
11460 (nios2_expand_rdprs_builtin): Likewise.
11461 (nios2_expand_eni_builtin): Likewise.
11462 (nios2_expand_builtin): Likewise.
11463 (nios2_register_custom_code): Likewise.
11464 (nios2_valid_target_attribute_rec): Likewise.
11465 (nios2_add_insn_asm): Fix uninitialized variable warning.
11467 2021-03-17 Jan Hubicka <jh@suse.cz>
11469 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
11470 of gather to match reality.
11471 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
11473 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11475 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
11476 to compare against CC_REG rather than NE.
11478 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
11481 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
11482 inline assembly statements.
11483 (ix86_print_operand): Update 'P' handling for -fno-plt.
11485 2021-03-17 Tamar Christina <tamar.christina@arm.com>
11488 * config/aarch64/aarch64.c
11489 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
11491 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
11494 * config/rs6000/predicates.md (branch_comparison_operator): Allow
11495 ordered and unordered for CCFPmode, if flag_finite_math_only.
11497 2021-03-16 Jakub Jelinek <jakub@redhat.com>
11500 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
11501 rather than ASHIFT.
11502 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
11504 2021-03-16 Martin Liska <mliska@suse.cz>
11507 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
11508 cl_optimization_compare function.
11510 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
11512 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
11515 2021-03-16 Jakub Jelinek <jakub@redhat.com>
11518 * config/i386/i386.h (struct machine_function): Add
11519 has_explicit_vzeroupper bitfield.
11520 * config/i386/i386-expand.c (ix86_expand_builtin): Set
11521 cfun->machine->has_explicit_vzeroupper when expanding
11522 IX86_BUILTIN_VZEROUPPER.
11523 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
11524 Do the mode switching only when TARGET_VZEROUPPER, expensive
11525 optimizations turned on and not optimizing for size.
11526 (pass_insert_vzeroupper::gate): Enable even when
11527 cfun->machine->has_explicit_vzeroupper is set.
11529 2021-03-16 Jakub Jelinek <jakub@redhat.com>
11532 * config/aarch64/aarch64.c
11533 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
11534 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
11535 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
11537 2021-03-15 Richard Biener <rguenther@suse.de>
11539 PR tree-optimization/98834
11540 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
11541 subsetting by truncating the access size.
11543 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
11545 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
11546 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
11549 2021-03-15 Martin Liska <mliska@suse.cz>
11551 * spellcheck.c: Add missing comma in initialization.
11553 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
11555 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
11556 alternative 2 and alternative 1 with alternative 3 using
11557 YW register constraint.
11558 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
11559 using YW register constraint.
11560 (*vec_extractv16qi_zext): Ditto.
11561 (*vec_extractv4si): Merge alternatives 4 and 5
11562 using Yw register constraint.
11563 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
11565 2021-03-13 Martin Sebor <msebor@redhat.com>
11567 PR tree-optimization/99489
11568 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
11569 is not a call statement.
11571 2021-03-13 Jakub Jelinek <jakub@redhat.com>
11573 PR tree-optimization/99544
11574 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
11575 if for vector types multiplication can't be done in type's mode.
11577 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
11580 * config/sparc/constraints.md (w): Rename to...
11581 (W): ... this and ditch previous implementation.
11582 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
11583 (*movdf_insn_sp64): Likewise.
11584 (*mov<VM64:mode>_insn_sp64): Likewise.
11585 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
11587 (atomic_compare_and_swap_leon3_1): Likewise.
11588 (*atomic_compare_and_swapdi_v8plus): Likewise.
11589 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
11590 architecture and add missing address validity check during LRA.
11592 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
11595 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
11596 occuring for assumed-size arrays in use_device_{ptr,addr}.
11598 2021-03-12 Jakub Jelinek <jakub@redhat.com>
11601 * config/i386/constraints.md (YW): New internal constraint.
11602 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
11603 (*<sse2_avx2>_<insn><mode>3<mask_name>,
11604 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
11605 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
11607 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
11608 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
11609 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
11610 into one, use Yw instead of former x,v.
11611 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
11612 the last alternative.
11613 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
11614 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
11615 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
11616 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
11617 into one, use <v_Yw> instead of former x,v.
11618 (avx2_interleave_highv32qi<mask_name>,
11619 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
11620 constraints. Add && <mask_avx512bw_condition> to condition.
11621 (avx2_interleave_lowv32qi<mask_name>,
11622 vec_interleave_lowv16qi<mask_name>,
11623 avx2_interleave_highv16hi<mask_name>,
11624 vec_interleave_highv8hi<mask_name>,
11625 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
11626 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
11627 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
11628 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
11629 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
11630 Yw instead of v in constraints.
11631 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
11632 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
11633 instead of Yv in constraints.
11634 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
11635 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
11636 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
11637 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11638 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
11640 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
11641 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
11642 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
11643 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
11644 two, one with just x, another isa avx512vl with v.
11646 2021-03-12 Martin Liska <mliska@suse.cz>
11648 * doc/invoke.texi: Add missing param documentation.
11650 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11653 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
11654 analyzer/trimmed-graph.o.
11655 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
11656 feasibility checking to reflect new implementation.
11657 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
11659 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
11661 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11663 * digraph.cc (selftest::test_shortest_paths): Update
11664 shortest_paths init for new param. Add test of
11665 SPS_TO_GIVEN_TARGET.
11666 * shortest-paths.h (enum shortest_path_sense): New.
11667 (shortest_paths::shortest_paths): Add "sense" param.
11668 Update for renamings. Generalize to use "sense" param.
11669 (shortest_paths::get_shortest_path): Rename param.
11670 (shortest_paths::m_sense): New field.
11671 (shortest_paths::m_prev): Rename...
11672 (shortest_paths::m_best_edge): ...to this.
11673 (shortest_paths::get_shortest_path): Update for renamings.
11674 Conditionalize flipping of path on sense of traversal.
11676 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11678 * digraph.cc (selftest::test_shortest_paths): Add test coverage
11679 for paths from B and C.
11680 * shortest-paths.h (shortest_paths::shortest_paths): Handle
11681 unreachable nodes, rather than asserting.
11683 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
11686 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
11687 xcoff_tbss_section_name.
11688 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
11689 * xcoffout.c (xcoff_tbss_section_name): Delete.
11690 * xcoffout.h (xcoff_tbss_section_name): Delete.
11692 2021-03-11 Richard Biener <rguenther@suse.de>
11694 PR tree-optimization/99523
11695 * tree-cfg.c (dump_function_to_file): Dump SSA names
11696 w/o identifier to the decls section as well, not only those
11697 without a VAR_DECL.
11699 2021-03-11 Jakub Jelinek <jakub@redhat.com>
11702 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
11703 function calls with lhs fail if the lhs don't have compatible types.
11705 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
11707 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
11708 Change FRAME_POINTER_REGNUM to correspond to a new faked
11709 register faked_fp, part of GENNONACR_REGS like faked_ap.
11710 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
11711 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
11712 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
11713 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
11714 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
11716 (CRIS_REAL_FP_REGNUM): New constant.
11717 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
11718 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
11719 (cris_initial_elimination_offset): Handle elimination changes
11720 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
11721 and add one from FRAME_POINTER_REGNUM to
11722 HARD_FRAME_POINTER_REGNUM.
11723 (cris_expand_prologue, cris_expand_epilogue): Emit code for
11724 hard_frame_pointer_rtx instead of frame_pointer_rtx.
11726 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
11729 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
11730 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
11732 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
11735 * lra-constraints.c (process_address_1): Don't check unknown
11736 constraint, use X for empty constraint.
11738 2021-03-10 Alex Coplan <alex.coplan@arm.com>
11740 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
11741 Fix typo in comment describing "is_ha" argument.
11743 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
11745 * doc/sourcebuild.texi: Document LRA target selector.
11747 2021-03-10 David Malcolm <dmalcolm@redhat.com>
11749 * doc/ux.texi: Add subsection contrasting interactive versus
11750 batch usage of GCC.
11752 2021-03-10 Joel Hutton <joel.hutton@arm.com>
11755 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
11757 (vectorizable_load): Fix gather load mask check condition.
11759 2021-03-10 Richard Biener <rguenther@suse.de>
11761 PR tree-optimization/99510
11762 * tree.c (check_aligned_type): Check that the candidate
11763 has TYPE_USER_ALIGN set instead of matching with the
11766 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
11768 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
11769 float and vector integer modes only if the mode is not larger.
11771 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
11773 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
11775 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11777 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
11779 * ira-lives.c (single_reg_class): Ditto.
11781 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
11783 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
11784 the architecture-specific rtems.h.
11785 (aarch64-*-rtems*): Likewise.
11786 (arm*-*-rtems*): Likewise.
11787 (epiphany-*-rtems*): Likewise.
11788 (riscv*-*-rtems*): Likewise.
11790 2021-03-09 Jakub Jelinek <jakub@redhat.com>
11792 PR tree-optimization/99305
11793 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
11794 before integer_all_onesp instead of vice versa.
11796 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
11798 * common/config/arm/arm-common.c (arm_config_default): Change type
11799 of 'i' to unsigned.
11801 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11804 * lra-constraints.c (process_address_1): Process constraint 'g'
11805 separately and digital constraints containing more one digit.
11807 2021-03-09 Nick Clifton <nickc@redhat.com>
11809 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
11810 (DWARF"_DEBUGGING_INFO): Define.
11812 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
11815 * calls.c (initialize_argument_information): When the argument
11816 is passed by reference, do not make a copy in a thunk only if
11817 the argument is already in memory. Remove redundant test for
11818 the case of callee copy.
11820 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11823 * lra-constraints.c (process_address_1): Process 0..9 constraints
11824 in process_address_1.
11826 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
11828 * config/s390/s390.c (struct s390_processor processor_table):
11829 Binutils name string must not be empty.
11831 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
11833 * config/arc/arc.c (arc_attr_type): Remove function.
11835 2021-03-09 Martin Liska <mliska@suse.cz>
11838 * config/i386/i386-options.c (ix86_option_override_internal):
11839 Set isa_flags for OPTS argument and not for the global
11842 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
11844 * config/rs6000/predicates.md (ds_form_mem_operand): Check
11847 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
11850 * config/rs6000/predicates.md (ds_form_mem_operand) New
11852 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
11853 ds_form_mem_operand in ld/lwa patterns.
11854 * config/rs6000/fusion.md: Regenerate file.
11856 2021-03-08 Martin Sebor <msebor@redhat.com>
11858 PR middle-end/98266
11859 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
11860 (array_bounds_checker::check_array_bounds): Call it.
11862 2021-03-08 Martin Sebor <msebor@redhat.com>
11864 PR middle-end/97631
11865 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
11866 (handle_builtin_stxncpy_strncat): Rename locals. Determine
11867 destination size from allocation calls. Issue a more appropriate
11869 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
11870 (handle_builtin_memset): Same.
11872 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
11875 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
11876 to ensure we do not have an Altivec style address.
11877 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
11878 an Altivec style address.
11879 (*vsx_le_perm_store_<mode>): Likewise.
11880 (splitters after *vsx_le_perm_store_<mode>): Likewise.
11881 (vsx_load_<mode>): Disable special expander if passed an Altivec
11883 (vsx_store_<mode>): Likewise.
11885 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11888 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
11889 (aarch64_simd_shift_imm_vec_hi): Likewise.
11890 (aarch64_simd_shift_imm_vec_si): Likewise.
11891 (aarch64_simd_shift_imm_vec_di): Likewise.
11892 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
11893 predicate from above.
11894 (aarch64_shrn<mode>_insn_be): Likewise.
11895 (aarch64_rshrn<mode>_insn_le): Likewise.
11896 (aarch64_rshrn<mode>_insn_be): Likewise.
11897 (aarch64_shrn2<mode>_insn_le): Likewise.
11898 (aarch64_shrn2<mode>_insn_be): Likewise.
11899 (aarch64_rshrn2<mode>_insn_le): Likewise.
11900 (aarch64_rshrn2<mode>_insn_be): Likewise.
11902 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
11905 * lra-constraints.c (skip_contraint_modifiers): New function.
11906 (process_address_1): Use it before lookup_constraint call.
11908 2021-03-08 Martin Liska <mliska@suse.cz>
11911 * config/i386/i386-options.c (ix86_option_override_internal):
11912 Enable UINTR and HRESET for -march that supports it.
11914 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
11916 * config/s390/s390.c (f_constraint_p): New function.
11917 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
11918 (TARGET_MD_ASM_ADJUST): Likewise.
11920 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
11923 * tree-nested.c (convert_local_reference_stmt): Avoid calling
11924 lookup_field_for_decl for Fortran module (= namespace context).
11926 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
11928 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
11929 comparison with arithmetic right shift.
11930 (s390_expand_vcond): No need for a force_reg anymore.
11931 s390_vec_compare will do it.
11932 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
11933 immediate operands.
11935 2021-03-07 Jakub Jelinek <jakub@redhat.com>
11938 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
11939 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
11941 * config/i386/sse.md (v_Yw): New define_mode_attr.
11942 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
11943 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
11945 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
11946 xYw in constraints.
11948 2021-03-06 Julian Brown <julian@codesourcery.com>
11950 * tree-pretty-print.c (dump_generic_node): Emit non-generic
11951 address space info for aggregates.
11953 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
11955 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
11957 2021-03-05 Jakub Jelinek <jakub@redhat.com>
11959 PR middle-end/99322
11960 * tree-cfg.c (bb_to_omp_idx): New variable.
11961 (execute_build_cfg): Release the bb_to_omp_idx vector after
11962 cleanup_tree_cfg returns.
11963 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
11964 for bb_to_omp_idx being a vec<int> instead of pointer to array
11966 (make_edges): Remove bb_to_omp_idx local variable, don't pass
11967 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
11968 vec<int> instead of pointer to array of ints and don't free/release
11970 (remove_bb): When removing a bb and placing forced label somewhere
11971 else, ensure it is put into the same OpenMP region during cfg
11972 pass if possible or to entry successor as fallback. Unregister
11973 bb from bb_to_omp_idx.
11975 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
11978 * lra-constraints.c (process_address_1): Skip decomposing address
11979 for asm insn operand with unknown constraint.
11981 2021-03-05 Martin Jambor <mjambor@suse.cz>
11984 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
11985 corresponding speculative edges if we are about to resolve
11986 sepculation. Make edge direct (and so resolve speculations) before
11987 removing it from call_site_hash.
11988 (cgraph_edge::make_direct): Relax the initial assert to allow calling
11989 the function on speculative direct edges.
11991 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
11993 PR rtl-optimization/99376
11994 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
11995 of low-order zero bits is too large, set the result to 0 directly.
11997 2021-03-04 Jakub Jelinek <jakub@redhat.com>
11999 PR middle-end/93235
12000 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
12001 SUBREG and a SUBREG to op_mode can't be created.
12003 2021-03-04 Alex Coplan <alex.coplan@arm.com>
12006 * config/aarch64/aarch64-sve-builtins.cc
12007 (function_resolver::require_vector_type): Handle error_mark_node.
12009 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
12011 * cfgexpand.c (expand_asm_loc): Pass new parameter.
12012 (expand_asm_stmt): Likewise.
12013 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
12015 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
12016 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
12017 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
12018 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
12019 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
12020 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
12021 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
12022 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
12023 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
12024 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
12025 * doc/tm.texi (md_asm_adjust): Likewise.
12026 * target.def (md_asm_adjust): Likewise.
12028 2021-03-04 Richard Biener <rguenther@suse.de>
12030 PR middle-end/97855
12031 * tree-pretty-print.c: Poison pp_printf.
12032 (dump_decl_name): Avoid use of pp_printf.
12033 (dump_block_node): Likewise.
12034 (dump_generic_node): Likewise.
12036 2021-03-04 Martin Sebor <msebor@redhat.com>
12038 PR middle-end/96963
12039 PR middle-end/94655
12040 * builtins.c (handle_array_ref): New helper.
12041 (handle_mem_ref): New helper.
12042 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
12043 into new helper functions. Correct a workaround for vectorized
12046 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
12048 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
12049 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
12050 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
12051 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
12052 attribute for Power10.
12053 * config/rs6000/mma.md (*movoo): Likewise.
12054 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
12055 (define_mode_attr bits): Add DD/TD modes.
12056 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
12057 store_conditionalpti): Update size attribute for Power10.
12059 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
12062 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
12063 -Wuninitialized, -Wmaybe-uninitialized.
12064 (wide-int.o-warn): Likewise.
12066 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
12068 * common/config/arm/arm-common.c: Include configargs.h.
12069 (arm_config_default): New function.
12070 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
12071 processors that do not support Thumb. Take into account the
12072 --with-mode configuration setting for selecting the default.
12073 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
12074 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
12076 2021-03-03 Martin Liska <mliska@suse.cz>
12078 PR gcov-profile/97461
12079 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
12081 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
12084 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
12085 point back the hard frame pointer to its default location when the
12086 frame is larger than SEH_MAX_FRAME_SIZE.
12088 2021-03-03 Jakub Jelinek <jakub@redhat.com>
12091 * config/i386/predicates.md (logic_operator): New define_predicate.
12092 * config/i386/i386.md (mov + mem using comm arith peephole2):
12093 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
12094 and the inner mode is [QH]Imode.
12096 2021-03-03 Jakub Jelinek <jakub@redhat.com>
12099 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
12100 (new_loc_list): Clear end_entry.
12101 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
12102 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
12104 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
12105 initialize also end_entry.
12107 2021-03-03 Jakub Jelinek <jakub@redhat.com>
12110 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
12111 partitions, if in non-layout mode after reorder_blocks also move
12112 affected blocks to ensure a single partition transition.
12114 2021-03-03 Jason Merrill <jason@redhat.com>
12117 * cgraphunit.c (process_function_and_variable_attributes): Don't
12118 warn about flatten on an alias if the target also has it.
12119 * cgraph.h (symtab_node::get_alias_target_tree): New.
12121 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
12123 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
12124 period to symbol name.
12125 (tls_get_addr_internal<mode>): Same.
12127 2021-03-02 David Malcolm <dmalcolm@redhat.com>
12130 * diagnostic-show-locus.c
12131 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
12134 2021-03-02 Martin Sebor <msebor@redhat.com>
12136 PR middle-end/99276
12137 * builtins.c (warn_for_access): Remove stray warning text.
12139 2021-03-02 Martin Sebor <msebor@redhat.com>
12141 PR middle-end/99295
12142 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
12145 2021-03-02 Jakub Jelinek <jakub@redhat.com>
12148 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
12149 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
12150 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
12151 DW_MACRO_define_strx and DW_MACRO_undef_strx.
12152 (save_macinfo_strings): Use DW_MACRO_*_str* even with
12153 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
12154 DW_MACRO_undef_strx.
12156 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
12158 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
12160 (BT_FN_V8HI_V8HI_UINT): Likewise.
12161 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
12162 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
12163 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
12164 New builtin definitions.
12165 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
12166 vector extension version.
12167 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
12168 available with current -march level.
12169 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
12170 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
12171 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
12172 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
12173 (vec_extend_to_fp32_lo): Likewise.
12174 (vec_round_from_fp32): Likewise.
12175 (vec_convert_to_fp16): Likewise.
12176 (vec_convert_from_fp16): Likewise.
12177 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
12178 (vclfnls_v8hi): Likewise.
12179 (vcrnfs_v8hi): Likewise.
12180 (vcfn_v8hi): Likewise.
12181 (vcnf_v8hi): Likewise.
12183 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
12185 * common/config/s390/s390-common.c (processor_flags_table): New entry.
12186 * config.gcc: Enable arch14 for --with-arch and --with-tune.
12187 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
12188 arch14 for unknown CPU models.
12189 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
12190 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
12191 (s390_get_sched_attrmask): Likewise.
12192 (s390_get_unit_mask): Likewise.
12193 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
12194 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
12195 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
12196 (TARGET_NNPA_P): New macro definitions.
12197 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
12198 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
12200 2021-03-02 Jakub Jelinek <jakub@redhat.com>
12202 PR middle-end/95757
12203 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
12204 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
12205 != 1 comparisons if name is lhs of a comparison.
12207 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
12211 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
12212 * config/darwin.c (darwin_should_restore_cfa_state): New.
12213 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
12214 * doc/tm.texi: Regenerated.
12215 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
12216 * dwarf2cfi.c (connect_traces): If the target requests, restore
12217 the CFA expression after a DW_CFA_restore.
12218 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
12220 2021-03-01 Martin Liska <mliska@suse.cz>
12223 * optc-save-gen.awk: Add 4 more exceptions.
12225 2021-03-01 Nathan Sidwell <nathan@acm.org>
12228 * tree.h (TYPE_ALIGN_RAW): New accessor.
12229 (TYPE_ALIGN): Use it.
12231 2021-03-01 Jan Hubicka <jh@suse.cz>
12234 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
12236 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
12239 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
12240 point the hard frame pointer to the SSE register save area instead
12241 of the general register save area. Perform only minimal adjustment
12242 for small frames if it is initially not correctly aligned.
12243 (ix86_expand_prologue): Remove early saves for a SEH target.
12244 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
12246 2021-02-28 Jakub Jelinek <jakub@redhat.com>
12249 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
12250 typo - referneced -> referenced.
12251 * tree.c (component_ref_size): Fix comment typo -
12252 refernce -> reference.
12253 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
12254 traling -> trailing.
12255 (aliasing_component_refs_p): Fix comment typos -
12256 refernce -> reference and refernece -> reference and
12257 traling -> trailing.
12258 (nonoverlapping_refs_since_match_p): Fix comment typo -
12259 referneces -> references.
12260 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
12261 referneces -> references.
12263 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
12265 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
12266 diagnostic message to avoid use of a contraction and format
12269 2021-02-27 Jakub Jelinek <jakub@redhat.com>
12272 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
12273 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
12274 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
12275 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
12278 2021-02-26 Richard Biener <rguenther@suse.de>
12280 PR middle-end/99281
12281 * expr.c (store_field): For calls with return-slot optimization
12282 and addressable return type expand the store directly.
12284 2021-02-26 Richard Biener <rguenther@suse.de>
12287 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
12289 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
12292 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
12295 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
12297 * config.gcc: Add rs6000-pcrel-opt.o.
12298 * config/rs6000/rs6000-pcrel-opt.c: New file.
12299 * config/rs6000/pcrel-opt.md: New file.
12300 * config/rs6000/predicates.md: Add d_form_memory predicate.
12301 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
12302 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
12303 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
12304 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
12305 and make_pass_pcrel_opt().
12306 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
12307 (rs6000_option_override_internal): Add pcrel-opt.
12308 (rs6000_delegitimize_address): Support pcrel-opt.
12309 (rs6000_opt_masks): Add pcrel-opt.
12310 (pcrel_opt_valid_mem_p): New function.
12311 (reg_to_non_prefixed): Make global.
12312 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
12313 (output_pcrel_opt_reloc): New function.
12314 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
12315 (pcrel_extern_addr): Set loads_extern_addr.
12316 Add include for pcrel-opt.md.
12317 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
12318 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
12321 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
12324 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
12325 If TARGET_64BIT and dest is SUBREG, we check the width, if it
12326 equal to SImode, we use SImode operation, just like what we are
12329 2021-02-26 Marek Polacek <polacek@redhat.com>
12331 * builtins.c (warn_for_access): Fix typos.
12333 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
12335 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
12336 mark in front of the immediate quantity.
12337 (<optab>_rolsi3_uxtw): Likewise.
12339 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
12342 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
12343 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
12344 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
12345 address and disable when the FPCXT is not available.
12346 (nonsecure_call_value_reg_thumb2): Likewise.
12348 2021-02-25 Nathan Sidwell <nathan@acm.org>
12351 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
12353 2021-02-25 Tamar Christina <tamar.christina@arm.com>
12355 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
12357 2021-02-25 Richard Biener <rguenther@suse.de>
12359 PR tree-optimization/99253
12360 * tree-vect-loop.c (check_reduction_path): First compute
12361 code, then verify out-of-loop uses.
12363 2021-02-25 Jakub Jelinek <jakub@redhat.com>
12366 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
12368 2021-02-25 Jakub Jelinek <jakub@redhat.com>
12370 PR tree-optimization/80635
12371 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
12372 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
12373 has mode precision.
12375 2021-02-25 Richard Biener <rguenther@suse.de>
12377 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
12378 load_map population.
12379 (vect_match_slp_patterns_2): Revert part of last change.
12380 (vect_analyze_slp): Do not interleave optimize_load_redistribution
12381 with pattern detection but do it afterwards. Dump the
12382 whole SLP graph after pattern recognition and load
12383 redistribution optimization finished.
12385 2021-02-24 Jakub Jelinek <jakub@redhat.com>
12388 * omp-low.c (struct omp_context): Add teams_nested_p and
12389 nonteams_nested_p members.
12390 (scan_omp_target): Diagnose teams nested inside of target with other
12391 directives strictly nested inside of the same target.
12392 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
12393 ctx->nonteams_nested_p as needed.
12395 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
12397 PR inline-asm/99123
12398 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
12400 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
12402 * config/cris/cris.c (cris_expand_prologue): Set
12403 current_function_static_stack_size, if flag_stack_usage_info.
12405 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
12407 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
12408 (rs6000_final_prescan_insn): Adjust.
12409 (rs6000_asm_output_opcode): Likewise.
12411 2021-02-24 Martin Sebor <msebor@redhat.com>
12413 PR middle-end/97172
12414 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
12415 from function arguments.
12417 2021-02-24 Tamar Christina <tamar.christina@arm.com>
12419 PR tree-optimization/99220
12420 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
12421 node from cache when it's about to be deleted.
12423 2021-02-24 Jakub Jelinek <jakub@redhat.com>
12425 PR tree-optimization/99225
12426 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
12427 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
12428 build_int_cst (..., 1). Formatting fixes.
12430 2021-02-24 Tamar Christina <tamar.christina@arm.com>
12432 PR tree-optimization/99149
12433 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
12435 (vect_slp_reset_pattern): Remove.
12436 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
12437 (complex_mul_pattern::build, complex_fma_pattern::build,
12438 complex_fms_pattern::build): Fix ref counts.
12439 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
12440 when node is being deleted.
12441 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
12442 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
12444 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
12446 2021-02-24 Matthias Klose <doko@ubuntu.com>
12449 2020-12-07 Matthias Klose <doko@ubuntu.com>
12451 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
12452 and ENABLE_RTL_FLAG_CHECKING.
12454 2021-02-24 Richard Biener <rguenther@suse.de>
12457 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
12459 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
12461 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
12462 (vsx_assemble_pair): ...to this.
12463 (*mma_assemble_pair): Rename from this...
12464 (*vsx_assemble_pair): ...to this.
12465 (mma_disassemble_pair): Rename from this...
12466 (vsx_disassemble_pair): ...to this.
12467 (*mma_disassemble_pair): Rename from this...
12468 (*vsx_disassemble_pair): ...to this.
12469 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
12470 BU_COMPAT): New macros.
12471 (mma_assemble_pair): Rename from this...
12472 (vsx_assemble_pair): ...to this.
12473 (mma_disassemble_pair): Rename from this...
12474 (vsx_disassemble_pair): ...to this.
12475 (mma_assemble_pair): New compatibility built-in.
12476 (mma_disassemble_pair): Likewise.
12477 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
12478 (RS6000_BUILTIN_COMPAT): Define.
12479 (bdesc_compat): New.
12480 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
12481 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
12482 and VSX_BUILTIN_ASSEMBLE_PAIR.
12483 (rs6000_init_builtins): Register compatibility built-ins.
12484 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
12485 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
12486 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
12487 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
12488 (__builtin_vsx_assemble_pair): ...to this.
12489 (__builtin_mma_disassemble_pair): Rename from this...
12490 (__builtin_vsx_disassemble_pair): ...to this.
12492 2021-02-23 Martin Liska <mliska@suse.cz>
12495 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
12496 with different alignment. That leads to an invalid red zone
12497 size allocated in runtime.
12499 2021-02-23 Jakub Jelinek <jakub@redhat.com>
12501 PR tree-optimization/99204
12502 * fold-const.c (fold_read_from_constant_string): Check that
12503 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
12505 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
12506 Kewen Lin <linkw@gcc.gnu.org>
12508 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
12509 (rotl<mode>3_insert_3): ...this.
12510 (plus_ior_xor): New code_iterator.
12511 (define_split for GPR rl*imi): New splitter.
12512 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
12513 for integer merging.
12515 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12517 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
12519 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
12520 into a register when the above is enabled.
12521 * config/aarch64/aarch64.c (neoversev1_tunings):
12522 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
12523 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
12525 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
12527 * config/cris/cris.c (cris_print_operand) <'T'>: Change
12528 valid operand from is now an addi mult-value to shift-value.
12529 * config/cris/cris.md (*addi): Change expression of scaled
12530 operand from mult to ashift.
12531 * config/cris/cris.md (*addi_reload): New insn_and_split.
12533 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
12536 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
12537 hook_bool_const_tree_hwi_hwi_const_tree_true.
12538 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
12540 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
12542 PR rtl-optimization/98791
12543 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
12544 for unordered modes.
12546 2021-02-22 Martin Liska <mliska@suse.cz>
12548 * tree-inline.c (inline_forbidden_p): Set
12549 inline_forbidden_reason.
12551 2021-02-22 Richard Biener <rguenther@suse.de>
12553 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
12556 2021-02-22 Richard Biener <rguenther@suse.de>
12558 PR tree-optimization/99165
12559 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
12560 Accumulate changed to ret.
12562 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
12565 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
12567 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
12569 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
12572 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
12574 (trunctf<DFP_ALL:mode>2): Likewise.
12575 (trunctdtf2_vr): Likewise.
12576 (trunctdtf2): Likewise.
12577 (extend<DFP_ALL:mode>tf2_vr): Likewise.
12578 (extend<DFP_ALL:mode>tf2): Likewise.
12579 (extendtftd2_vr): Likewise.
12580 (extendtftd2): Likewise.
12582 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
12584 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
12585 add memory alternative.
12586 (tf_to_fprx2): New pattern.
12588 2021-02-19 Martin Sebor <msebor@redhat.com>
12591 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
12592 (attr_access::free_lang_data): Remove a spurious test.
12594 2021-02-19 Nathan Sidwell <nathan@acm.org>
12596 * doc/invoke.texi (flang-info-module-read): Document.
12598 2021-02-19 Martin Liska <mliska@suse.cz>
12600 PR translation/99167
12601 * params.opt: Fix typo.
12603 2021-02-19 Richard Biener <rguenther@suse.de>
12605 PR middle-end/99122
12606 * tree-inline.c (inline_forbidden_p): Do not inline functions
12607 with VLA arguments or return value.
12609 2021-02-19 Jakub Jelinek <jakub@redhat.com>
12612 * config/arm/arm.md (*stack_protect_combined_set_insn,
12613 *stack_protect_combined_test_insn): If force_const_mem result
12614 is not valid general operand, force its address into the destination
12617 2021-02-19 Jakub Jelinek <jakub@redhat.com>
12620 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
12621 pad or non-local label, put FORCED_LABELs from bb b after that label
12622 rather than before it.
12624 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
12627 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
12628 expand_vector_broadcast' to emit the vec_duplicate operand.
12630 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
12632 PR rtl-optimization/96264
12633 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
12636 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
12639 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
12640 looking up the retain attribute.
12641 (resolve_unique_section): Likewise.
12642 (get_variable_section): Likewise.
12643 (switch_to_section): Likewise. Warn when a symbol without the
12644 retain attribute and a symbol with the retain attribute are
12645 placed in the section with the same name, instead of the used
12647 * doc/extend.texi: Document the "retain" attribute.
12649 2021-02-18 Nathan Sidwell <nathan@acm.org>
12652 * doc/invoke.texi (flang-info-include-translate): Document header
12655 2021-02-18 Richard Biener <rguenther@suse.de>
12657 PR middle-end/99122
12658 * ipa-fnsummary.c (analyze_function_body): Set
12659 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
12660 * tree-inline.c (insert_init_debug_bind): Pass NULL for
12661 error_mark_node values.
12662 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
12664 (setup_one_parameter): Delay force_value_to_type until when
12667 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
12669 PR tree-optimization/99142
12670 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
12672 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12674 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
12675 wide_int_bitmask::wide_int_bitmask (uint64_t),
12676 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
12677 wide_int_bitmask::operator ~ () const,
12678 wide_int_bitmask::operator | (wide_int_bitmask) const,
12679 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
12681 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
12682 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
12683 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
12684 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
12685 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
12686 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
12687 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
12688 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
12689 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
12690 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
12691 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
12692 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
12693 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
12694 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
12695 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
12696 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
12697 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
12698 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
12699 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
12700 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
12701 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
12702 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
12703 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
12704 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
12706 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12708 PR middle-end/99109
12709 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
12710 (build_printable_array_type): ... this. Add nelts argument. For
12711 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
12712 nelts, call build_array_type_nelts.
12713 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
12714 instead of build_zero_elt_array_type and build_array_type_nelts.
12716 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12719 * config/i386/i386.c (distance_non_agu_define): Don't call
12720 extract_insn_cached here.
12721 (ix86_lea_outperforms): Save and restore recog_data around call
12722 to distance_non_agu_define and distance_agu_use.
12723 (ix86_ok_to_clobber_flags): Remove.
12724 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
12725 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
12726 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
12727 into define_insn. Move the splitting to define_peephole2 and
12728 check there using peep2_regno_dead_p if FLAGS_REG is dead.
12730 2021-02-17 Julian Brown <julian@codesourcery.com>
12732 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
12735 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
12738 * config/mips/mips.c (mips_symbol_insns): Do not use
12739 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
12741 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
12743 PR inline-asm/98096
12744 * stmt.c (resolve_operand_name_1): Take inout operands into account
12745 for access to labels by names.
12746 * doc/extend.texi: Describe counting operands for accessing labels.
12748 2021-02-16 Richard Biener <rguenther@suse.de>
12750 PR tree-optimization/38474
12751 * tree-ssa-structalias.c (variable_info::address_taken): New.
12752 (new_var_info): Initialize address_taken.
12753 (process_constraint): Set address_taken.
12754 (solve_constraints): Use the new address_taken flag rather
12755 than is_reg_var for sorting variables.
12756 (dump_constraint): Dump the variable number if the name
12759 2021-02-16 Jakub Jelinek <jakub@redhat.com>
12762 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
12763 multiply by 4096 and for inbranch by 8192.
12764 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
12765 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
12767 2021-02-15 Maya Rashish <coypu@sdf.org>
12769 * config/aarch64/aarch64.c (aarch64_init_builtins):
12770 Call SUBTARGET_INIT_BUILTINS.
12772 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
12774 PR rtl-optimization/98872
12775 * init-regs.c (initialize_uninitialized_regs): Skip initialization
12776 if CONST0_RTX is NULL.
12778 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
12780 PR rtl-optimization/98863
12781 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
12782 (function_info::build_info): Turn into a declaration, moving the
12783 definition to internals.h.
12784 (function_info::bb_walker): Declare.
12785 (function_info::create_reg_use): Likewise.
12786 (function_info::calculate_potential_phi_regs): Take a build_info
12788 (function_info::place_phis, function_info::create_ebbs): Declare.
12789 (function_info::calculate_ebb_live_in_for_debug): Likewise.
12790 (function_info::populate_backedge_phis): Delete.
12791 (function_info::start_block, function_info::end_block): Declare.
12792 (function_info::populate_phi_inputs): Delete.
12793 (function_info::m_potential_phi_regs): Move information to build_info.
12794 * rtl-ssa/internals.h: New file.
12795 (function_info::bb_phi_info): New class.
12796 (function_info::build_info): Moved from functions.h.
12797 Add a constructor and destructor.
12798 (function_info::build_info::ebb_use): Delete.
12799 (function_info::build_info::ebb_def): Likewise.
12800 (function_info::build_info::bb_live_out): Likewise.
12801 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
12802 (function_info::build_info::potential_phi_regs): Likewise.
12803 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
12804 (function_info::build_info::ebb_def_regs): Likewise.
12805 (function_info::build_info::bb_phis): Likewise.
12806 (function_info::build_info::bb_mem_live_out): Likewise.
12807 (function_info::build_info::bb_to_rpo): Likewise.
12808 (function_info::build_info::def_stack): Likewise.
12809 (function_info::build_info::old_def_stack_limit): Likewise.
12810 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
12811 Remove the regno argument. Push the previous definition onto the
12812 definition stack where necessary.
12813 * rtl-ssa/accesses.cc: Include internals.h.
12814 * rtl-ssa/changes.cc: Likewise.
12815 * rtl-ssa/blocks.cc: Likewise.
12816 (function_info::build_info::build_info): Define.
12817 (function_info::build_info::~build_info): Likewise.
12818 (function_info::bb_walker): New class.
12819 (function_info::bb_walker::bb_walker): Define.
12820 (function_info::add_live_out_use): Convert a logarithmic-complexity
12821 test into a linear one. Allow the same definition to be passed
12823 (function_info::calculate_potential_phi_regs): Moved from
12824 functions.cc. Take a build_info parameter and store the
12825 information there instead.
12826 (function_info::place_phis): New function.
12827 (function_info::add_entry_block_defs): Update call to record_reg_def.
12828 (function_info::calculate_ebb_live_in_for_debug): New function.
12829 (function_info::add_phi_nodes): Use bb_phis to decide which
12830 registers need phi nodes and initialize ebb_def_regs accordingly.
12831 Do not add degenerate phis here.
12832 (function_info::add_artificial_accesses): Use create_reg_use.
12833 Assert that all definitions are listed in the DF LR sets.
12834 Update call to record_reg_def.
12835 (function_info::record_block_live_out): Record live-out register
12836 values in the phis of successor blocks. Use the live-out set
12837 when processing the last block in an EBB, instead of always
12838 using the live-in sets of successor blocks. AND the live sets
12839 with the set of registers that have been defined in the EBB,
12840 rather than with all potential phi registers. Cope correctly
12841 with branches back to the start of the current EBB.
12842 (function_info::start_block): New function.
12843 (function_info::end_block): Likewise.
12844 (function_info::populate_phi_inputs): Likewise.
12845 (function_info::create_ebbs): Likewise.
12846 (function_info::process_all_blocks): Rewrite into a multi-phase
12848 * rtl-ssa/functions.cc: Include internals.h.
12849 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
12850 (function_info::init_function_data): Remove caller.
12851 * rtl-ssa/insns.cc: Include internals.h
12852 (function_info::create_reg_use): New function. Lazily any
12853 degenerate phis needed by the linear RPO view.
12854 (function_info::record_use): Use create_reg_use. When processing
12855 debug uses, use potential_phi_regs and test it before checking
12856 whether the register is live on entry to the current EBB. Lazily
12857 calculate ebb_live_in_for_debug.
12858 (function_info::record_call_clobbers): Update call to record_reg_def.
12859 (function_info::record_def): Likewise.
12861 2021-02-15 Martin Liska <mliska@suse.cz>
12863 * toplev.c (init_asm_output): Free output of
12864 gen_command_line_string function.
12865 (process_options): Likewise.
12867 2021-02-15 Martin Liska <mliska@suse.cz>
12869 * params.opt: Add 2 missing Param keywords.
12871 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
12873 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
12875 2021-02-15 Jakub Jelinek <jakub@redhat.com>
12877 PR tree-optimization/99079
12878 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
12879 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
12880 require both type and TREE_TYPE (@1) to be integral types and either
12881 type having smaller or equal precision, or TREE_TYPE (@1) being
12882 unsigned type, or type being signed type. If TREE_TYPE (@1)
12883 doesn't have wrapping overflow, perform the subtraction of one in
12886 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
12887 Richard Biener <rguether@suse.de>
12890 * ipa-reference.c (ipa_init): Only conditinally initialize
12891 reference_vars_to_consider.
12892 (propagate): Conditionally deninitialize reference_vars_to_consider.
12893 (ipa_reference_write_optimization_summary): Sanity check that
12894 reference_vars_to_consider is not allocated.
12896 2021-02-13 Levy Hsu <admin@levyhsu.com>
12899 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
12900 extend parameter to get_si_mem_base_reg declaration.
12901 (get_si_mem_base_reg): Add extend parameter. Set it.
12902 (analyze): Pass extend arg to get_si_mem_base_reg.
12903 (transform): Likewise. Use it when rewriting mems.
12904 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
12905 loads and emit sign/zero extending load followed by subreg move.
12907 2021-02-13 Jim Wilson <jimw@sifive.com>
12910 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
12911 exit when !reload_completed. Only perform check for compressed reg
12912 if reload_completed.
12913 (riscv_rtx_costs): In MEM case, when optimizing for size and
12914 shorten memrefs, if not compressible, then increase cost.
12916 2021-02-13 Jakub Jelinek <jakub@redhat.com>
12918 PR rtl-optimization/98439
12919 * recog.c (pass_split_before_regstack::gate): Enable even when
12920 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
12923 2021-02-13 Jakub Jelinek <jakub@redhat.com>
12926 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
12927 swap of V2SImode elements in memory into DImode memory rotate by 32.
12929 2021-02-12 Martin Sebor <msebor@redhat.com>
12931 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
12933 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
12935 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
12936 m_temp_obstack rather than m_obstack to allocate the temporary use.
12938 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
12940 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
12941 as read-modify operations.
12943 2021-02-12 Richard Biener <rguenther@suse.de>
12945 PR middle-end/38474
12946 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
12947 fbi->aa_walk_budget is bigger than zero. Update
12948 fbi->aa_walk_budget.
12949 (param_change_prob): Likewise.
12950 * ipa-prop.c (detect_type_change_from_memory_writes):
12951 Properly account walk_aliased_vdefs.
12952 (parm_preserved_before_stmt_p): Canonicalize updates.
12953 (parm_ref_data_preserved_p): Likewise.
12954 (parm_ref_data_pass_through_p): Likewise.
12955 (determine_known_aggregate_parts): Account own alias queries.
12957 2021-02-12 Martin Liska <mliska@suse.cz>
12959 * opts-common.c (decode_cmdline_option): Release werror_arg.
12960 * opts.c (gen_producer_string): Release output of
12961 gen_command_line_string.
12963 2021-02-12 Richard Biener <rguenther@suse.de>
12965 PR tree-optimization/38474
12966 * params.opt (-param=max-store-chains-to-track=): New param.
12967 (-param=max-stores-to-track=): Likewise.
12968 * doc/invoke.texi (max-store-chains-to-track): Document.
12969 (max-stores-to-track): Likewise.
12970 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
12972 (pass_store_merging::m_n_stores): Likewise.
12973 (pass_store_merging::terminate_and_process_chain): Update
12974 m_n_stores and m_n_chains.
12975 (pass_store_merging::process_store): Likewise. Terminate
12976 oldest chains if the number of stores or chains get too large.
12977 (imm_store_chain_info::terminate_and_process_chain): Dump
12980 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
12982 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
12983 the cold section, emit a nop before the directive if the previous
12984 active instruction can throw.
12986 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
12989 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
12990 memory addresses that are legal for quad word accesses.
12992 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
12995 * config/arm/thumb2.md (*doloop_end_internal): Generate
12996 alternative sequence to handle long range branches.
12998 2021-02-11 Joel Hutton <joel.hutton@arm.com>
13000 PR tree-optimization/98772
13001 * optabs-tree.c (supportable_half_widening_operation): New function
13002 to check for supportable V8QI->V8HI widening patterns.
13003 * optabs-tree.h (supportable_half_widening_operation): New function.
13004 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
13005 to create promotion stmts for V8QI->V8HI widening patterns.
13006 (vectorizable_conversion): Add case for V8QI->V8HI.
13008 2021-02-11 Richard Biener <rguenther@suse.de>
13010 * sparseset.h (SPARSESET_ELT_BITS): Remove.
13011 (SPARSESET_ELT_TYPE): Use unsigned int.
13012 * fwprop.c: Do not include sparseset.h.
13014 2021-02-10 Jakub Jelinek <jakub@redhat.com>
13017 * varasm.c (declare_weak): For -fsyntax-only, allow even
13018 TREE_ASM_WRITTEN function decls.
13020 2021-02-10 Jakub Jelinek <jakub@redhat.com>
13023 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
13024 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
13025 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
13026 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
13027 calling simplify_gen_subreg on it.
13029 2021-02-10 Martin Liska <mliska@suse.cz>
13031 * config/nvptx/nvptx.c (nvptx_option_override): Use
13032 flag_patchable_function_entry instead of the removed
13033 function_entry_patch_area_size.
13035 2021-02-10 Martin Liska <mliska@suse.cz>
13037 PR tree-optimization/99002
13038 PR tree-optimization/99026
13039 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
13040 leak when adjacent cases are merged.
13041 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
13043 (make_pass_lower_switch): Remove trailing whitespace.
13044 * tree-switch-conversion.h (release_clusters): New.
13046 2021-02-10 Richard Biener <rguenther@suse.de>
13048 PR rtl-optimization/99054
13049 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
13050 (fixup_partitions): Adjust.
13051 (rtl_verify_edges): Likewise.
13053 2021-02-10 Jakub Jelinek <jakub@redhat.com>
13055 PR middle-end/99007
13056 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
13057 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
13060 2021-02-10 Richard Biener <rguenther@suse.de>
13063 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
13066 2021-02-10 Richard Biener <rguenther@suse.de>
13068 PR tree-optimization/99024
13069 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
13070 clear loop->aux if it is associated with the destroyed loop_vinfo.
13072 2021-02-10 Martin Liska <mliska@suse.cz>
13074 PR tree-optimization/99002
13075 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
13078 2021-02-10 Martin Liska <mliska@suse.cz>
13081 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
13082 a reference exists.
13084 2021-02-10 Jakub Jelinek <jakub@redhat.com>
13087 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
13088 at class scope for DWARF5+.
13090 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
13092 PR rtl-optimization/96015
13093 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
13094 (relax_delay_slots): When deleting a jump to the next active
13095 instruction over a barrier, first delete the barrier if the
13096 jump is the only way to reach the target label.
13098 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
13100 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
13101 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
13102 vector multiplies and vect.alu for SSRA.
13103 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
13104 vect.mul cost field.
13105 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
13106 * config/arm/arm.c: Likewise.
13108 2021-02-09 Richard Biener <rguenther@suse.de>
13110 PR tree-optimization/98863
13111 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
13112 * tree-ssa-sccvn.c (last_pushed_avail): New global.
13113 (rpo_elim::eliminate_push_avail): Chain pushed avails.
13114 (unwind_state::avail_top): Add.
13115 (do_unwind): Rewrite unwinding of avail entries.
13116 (do_rpo_vn): Initialize last_pushed_avail and
13117 avail_top of the undo state.
13119 2021-02-09 Jakub Jelinek <jakub@redhat.com>
13121 PR middle-end/99004
13122 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
13123 const char * to char * and free those pointers after use.
13125 2021-02-09 Richard Biener <rguenther@suse.de>
13127 PR tree-optimization/99017
13128 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
13129 zero vector cost entries.
13131 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
13133 PR middle-end/98974
13134 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
13135 parameter in vectorizable_condition.
13137 2021-02-08 Richard Biener <rguenther@suse.de>
13140 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
13142 2021-02-08 Martin Liska <mliska@suse.cz>
13145 * cfgexpand.c (pass_expand::execute): Parse per-function option
13146 flag_patchable_function_entry and use it.
13147 * common.opt: Remove function_entry_patch_area_size and
13148 function_entry_patch_area_start global variables.
13149 * opts.c (parse_and_check_patch_area): New function.
13150 (common_handle_option): Use it.
13151 * opts.h (parse_and_check_patch_area): New function.
13152 * toplev.c (process_options): Parse and use
13153 function_entry_patch_area_size.
13155 2021-02-08 Martin Sebor <msebor@redhat.com>
13157 * doc/extend.texi (attribute malloc): Correct typos.
13159 2021-02-05 Nathan Sidwell <nathan@acm.org>
13162 * gcc.c (driver::maybe_run_linker): Check for input file
13163 accessibility if not linking.
13165 2021-02-05 Richard Biener <rguenther@suse.de>
13167 PR tree-optimization/98855
13168 * tree-vectorizer.h (add_stmt_cost): New overload.
13169 * tree-vect-slp.c (li_cost_vec_cmp): New.
13170 (vect_bb_slp_scalar_cost): Cost individual loop regions
13171 separately. Account for the scalar instance root stmt.
13173 2021-02-05 Tom de Vries <tdevries@suse.de>
13176 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
13178 (bit_test_cluster::emit): Reuse location_t for newly created
13180 (switch_decision_tree::try_switch_expansion): Preserve
13182 * tree-switch-conversion.h: Change function signatures.
13184 2021-02-05 Jakub Jelinek <jakub@redhat.com>
13187 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
13188 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
13189 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
13190 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
13192 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13194 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
13195 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
13196 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
13197 (vget_high_f16): Reimplement using new builtin.
13198 (vget_high_f32): Likewise.
13199 (vget_high_f64): Likewise.
13200 (vget_high_p8): Likewise.
13201 (vget_high_p16): Likewise.
13202 (vget_high_p64): Likewise.
13203 (vget_high_s8): Likewise.
13204 (vget_high_s16): Likewise.
13205 (vget_high_s32): Likewise.
13206 (vget_high_s64): Likewise.
13207 (vget_high_u8): Likewise.
13208 (vget_high_u16): Likewise.
13209 (vget_high_u32): Likewise.
13210 (vget_high_u64): Likewise.
13212 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13214 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
13215 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
13216 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
13217 (vget_low_f16): Reimplement using new builtin.
13218 (vget_low_f32): Likewise.
13219 (vget_low_f64): Likewise.
13220 (vget_low_p8): Likewise.
13221 (vget_low_p16): Likewise.
13222 (vget_low_p64): Likewise.
13223 (vget_low_s8): Likewise.
13224 (vget_low_s16): Likewise.
13225 (vget_low_s32): Likewise.
13226 (vget_low_s64): Likewise.
13227 (vget_low_u8): Likewise.
13228 (vget_low_u16): Likewise.
13229 (vget_low_u32): Likewise.
13230 (vget_low_u64): Likewise.
13232 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
13234 * gcc.c (print_multilib_info): Check all required argument is provided
13237 2021-02-05 liuhongt <hongtao.liu@intel.com>
13240 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
13241 generate integer mask comparison for 128/256-bits vector when
13242 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
13243 delete redundant !maskcmp condition.
13244 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
13246 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
13247 condition directly to if (maskcmp), add extra check for
13248 cmpmode, it should be MODE_INT.
13249 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
13250 parameters op_true/op_false.
13251 (ix86_use_mask_cmp_p): New.
13253 2021-02-05 liuhongt <hongtao.liu@intel.com>
13256 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
13257 Remove m_GENERIC from ~list.
13258 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
13260 2021-02-04 David Malcolm <dmalcolm@redhat.com>
13263 * diagnostic-show-locus.c (compatible_locations_p): Require
13264 locations in the same macro map to be either both from the
13265 macro definition, or both from the macro arguments.
13267 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
13269 * config/aarch64/aarch64-simd-builtins.def: Add
13270 [su]mull_hi_lane[q] builtin generator macros.
13271 * config/aarch64/aarch64-simd.md
13272 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
13273 (aarch64_<su>mull_hi_lane<mode>): Define.
13274 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
13275 (aarch64_<su>mull_hi_laneq<mode>): Define.
13276 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
13277 builtin instead of inline asm.
13278 (vmull_high_lane_s32): Likewise.
13279 (vmull_high_lane_u16): Likewise.
13280 (vmull_high_lane_u32): Likewise.
13281 (vmull_high_laneq_s16): Likewise.
13282 (vmull_high_laneq_s32): Likewise.
13283 (vmull_high_laneq_u16): Likewise.
13284 (vmull_high_laneq_u32): Liekwise.
13286 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
13288 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
13289 builtin generator macros.
13290 * config/aarch64/aarch64-simd.md
13291 (aarch64_<su>mull_hi_n<mode>_insn): Define.
13292 (aarch64_<su>mull_hi_n<mode>): Define.
13293 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
13294 instead of inline asm.
13295 (vmull_high_n_s32): Likewise.
13296 (vmull_high_n_u16): Likewise.
13297 (vmull_high_n_u32): Likewise.
13299 2021-02-04 Richard Biener <rguenther@suse.de>
13301 PR tree-optimization/98855
13302 * tree-vect-loop.c (vectorizable_phi): Do not cost
13303 single-argument PHIs.
13304 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
13305 * tree-vect-stmts.c (vectorizable_bswap): Also perform
13306 costing for SLP operation.
13308 2021-02-04 Martin Liska <mliska@suse.cz>
13310 * doc/extend.texi: Mention -mprefer-vector-width in target
13313 2021-02-03 Martin Sebor <msebor@redhat.com>
13315 PR tree-optimization/98937
13316 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
13317 Flush pointer_query cache.
13319 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
13321 * config/rs6000/genfusion.pl (gen_2logical): Add missing
13322 fixes based on patch review.
13323 * config/rs6000/fusion.md: Regenerate file.
13325 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
13327 * config/rs6000/t-rs6000: Comment out auto generation of
13330 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
13332 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
13333 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
13334 (output_file_start): Add gfx908.
13335 * config/gcn/gcn.opt (gpu_type): Add gfx908.
13336 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
13337 (MULTILIB_DIRNAMES): Add gfx908.
13338 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
13339 (main): Recognize gfx908.
13340 * config/gcn/t-omp-device: Add gfx908.
13342 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13344 * config/aarch64/aarch64-simd-builtins.def: Add
13345 [su]mlsl_hi_lane[q] builtin macro generators.
13346 * config/aarch64/aarch64-simd.md
13347 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
13348 (aarch64_<su>mlsl_hi_lane<mode>): Define.
13349 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
13350 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
13351 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
13352 builtin instead of inline asm.
13353 (vmlsl_high_lane_s32): Likewise.
13354 (vmlsl_high_lane_u16): Likewise.
13355 (vmlsl_high_lane_u32): Likewise.
13356 (vmlsl_high_laneq_s16): Likewise.
13357 (vmlsl_high_laneq_s32): Likewise.
13358 (vmlsl_high_laneq_u16): Likewise.
13359 (vmlsl_high_laneq_u32): Likewise.
13360 (vmlal_high_laneq_u32): Likewise.
13362 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13364 * config/aarch64/aarch64-simd-builtins.def: Add
13365 [su]mlal_hi_lane[q] builtin generator macros.
13366 * config/aarch64/aarch64-simd.md
13367 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
13368 (aarch64_<su>mlal_hi_lane<mode>): Define.
13369 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
13370 (aarch64_<su>mlal_hi_laneq<mode>): Define.
13371 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
13372 builtin instead of inline asm.
13373 (vmlal_high_lane_s32): Likewise.
13374 (vmlal_high_lane_u16): Likewise.
13375 (vmlal_high_lane_u32): Likewise.
13376 (vmlal_high_laneq_s16): Likewise.
13377 (vmlal_high_laneq_s32): Likewise.
13378 (vmlal_high_laneq_u16): Likewise.
13379 (vmlal_high_laneq_u32): Likewise.
13381 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13383 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
13384 builtin generator macros.
13385 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
13387 (aarch64_<su>mlsl_hi_n<mode>): Define.
13388 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
13389 instead of inline asm.
13390 (vmlsl_high_n_s32): Likewise.
13391 (vmlsl_high_n_u16): Likewise.
13392 (vmlsl_high_n_u32): Likewise.
13394 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13396 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
13397 builtin generator macros.
13398 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
13400 (aarch64_<su>mlal_hi_n<mode>): Define.
13401 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
13402 instead of inline asm.
13403 (vmlal_high_n_s32): Likewise.
13404 (vmlal_high_n_u16): Likewise.
13405 (vmlal_high_n_u32): Likewise.
13407 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13409 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
13411 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
13413 (aarch64_<su>mlal_hi<mode>_insn): This.
13414 (aarch64_<su>mlal_hi<mode>): Define.
13415 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
13416 instead of inline asm.
13417 (vmlal_high_s16): Likewise.
13418 (vmlal_high_s32): Likewise.
13419 (vmlal_high_u8): Likewise.
13420 (vmlal_high_u16): Likewise.
13421 (vmlal_high_u32): Likewise.
13423 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
13425 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
13426 after calling alter_subreg() on a (mem).
13428 2021-02-03 Martin Liska <mliska@suse.cz>
13431 * lto-streamer-out.c (produce_lto_section): Fill up missing
13433 * lto-streamer.h (struct lto_section): Add _padding field.
13435 2021-02-03 Richard Biener <rguenther@suse.de>
13437 * lto-streamer.c (lto_get_section_name): Free temporary
13439 * tree-loop-distribution.c
13440 (loop_distribution::merge_dep_scc_partitions): Free edge data.
13442 2021-02-03 Jakub Jelinek <jakub@redhat.com>
13444 PR middle-end/97487
13445 * ifcvt.c (noce_can_force_operand): New function.
13446 (noce_emit_move_insn): Use it.
13447 (noce_try_sign_mask): Likewise. Formatting fix.
13449 2021-02-03 Jakub Jelinek <jakub@redhat.com>
13451 PR middle-end/97971
13452 * lra-constraints.c (process_alt_operands): For inline asm, don't call
13453 fatal_insn, but instead return false.
13455 2021-02-03 Jakub Jelinek <jakub@redhat.com>
13457 PR tree-optimization/98287
13458 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
13461 2021-02-03 Tamar Christina <tamar.christina@arm.com>
13463 PR tree-optimization/98928
13464 * tree-vect-loop.c (vect_analyze_loop_2): Change
13465 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
13466 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
13467 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
13468 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
13470 2021-02-02 Richard Biener <rguenther@suse.de>
13472 * gimple-loop-interchange.cc (prepare_data_references):
13474 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
13475 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
13476 * tree-vect-stmts.c (vectorizable_condition): Do not
13478 (vectorizable_comparison): Likewise.
13480 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13482 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
13483 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
13484 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
13485 (vrsqrteq_u32): Likewise.
13487 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13489 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
13490 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
13491 (aarch64_sqxtun2<mode>_be): Likewise.
13492 (aarch64_sqxtun2<mode>): Likewise.
13493 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
13494 (vqmovun_high_s32): Likewise.
13495 (vqmovun_high_s64): Likewise.
13496 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
13498 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13500 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
13502 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
13504 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13506 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
13507 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
13508 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
13509 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
13510 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
13511 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
13512 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
13513 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
13515 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13517 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
13518 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
13519 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
13521 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13523 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
13524 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
13526 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13528 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
13529 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
13530 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
13531 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
13532 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
13533 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
13534 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
13535 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
13536 NONE builtin flags.
13538 2021-02-02 Jakub Jelinek <jakub@redhat.com>
13540 PR tree-optimization/98848
13541 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
13542 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
13544 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
13547 * expr.c: Check mode before calling store_expr.
13549 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
13551 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
13553 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
13554 instruction using expression ior.
13555 (mve_vornq_u<mode>): New expander.
13556 (mve_vornq_f<mode>): Use ior code instead of unspec.
13557 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
13559 2021-02-02 Alexandre Oliva <oliva@adacore.com>
13561 * tree-nested.c (convert_nonlocal_reference_op): Move
13562 current_function_decl restore after re-gimplification.
13563 (convert_local_reference_op): Likewise.
13565 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13567 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
13569 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
13571 (aarch64_rshrn<mode>_insn_be): Likewise.
13572 (aarch64_rshrn<mode>): Likewise.
13573 (aarch64_rshrn2<mode>_insn_le): Likewise.
13574 (aarch64_rshrn2<mode>_insn_be): Likewise.
13575 (aarch64_rshrn2<mode>): Likewise.
13576 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
13577 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
13579 (vrshrn_high_n_s32): Likewise.
13580 (vrshrn_high_n_s64): Likewise.
13581 (vrshrn_high_n_u16): Likewise.
13582 (vrshrn_high_n_u32): Likewise.
13583 (vrshrn_high_n_u64): Likewise.
13584 (vrshrn_n_s16): Likewise.
13585 (vrshrn_n_s32): Likewise.
13586 (vrshrn_n_s64): Likewise.
13587 (vrshrn_n_u16): Likewise.
13588 (vrshrn_n_u32): Likewise.
13589 (vrshrn_n_u64): Likewise.
13591 2021-02-01 Sergei Trofimovich <siarheit@google.com>
13593 PR tree-optimization/98499
13594 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
13595 conservatively and assume all possible side-effects.
13597 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13599 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
13600 vec_unpacku_hi_): Define builtins.
13601 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
13603 (vmovl_high_s16): Likewise.
13604 (vmovl_high_s32): Likewise.
13605 (vmovl_high_u8): Likewise.
13606 (vmovl_high_u16): Likewise.
13607 (vmovl_high_u32): Likewise.
13609 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13611 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
13613 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
13615 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
13617 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
13619 (vabdl_s16): Likewise.
13620 (vabdl_s32): Likewise.
13621 (vabdl_u8): Likewise.
13622 (vabdl_u16): Likewise.
13623 (vabdl_u32): Likewise.
13624 * config/aarch64/iterators.md (ABDL): New int iterator.
13625 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
13627 2021-02-01 Martin Sebor <msebor@redhat.com>
13629 * tree.h (BLOCK_VARS): Add comment.
13630 (BLOCK_SUBBLOCKS): Same.
13631 (BLOCK_SUPERCONTEXT): Same.
13632 (BLOCK_ABSTRACT_ORIGIN): Same.
13633 (inlined_function_outer_scope_p): Same.
13635 2021-02-01 Martin Sebor <msebor@redhat.com>
13637 PR middle-end/97172
13638 * attribs.c (attr_access::free_lang_data): Define new function.
13639 * attribs.h (attr_access::free_lang_data): Declare new function.
13641 2021-02-01 Richard Biener <rguenther@suse.de>
13643 * vec.h (auto_vec::auto_vec): Add memory stat parameters
13645 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
13647 2021-02-01 Tamar Christina <tamar.christina@arm.com>
13649 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
13650 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
13652 2021-02-01 Richard Biener <rguenther@suse.de>
13654 PR rtl-optimization/98863
13655 * config/i386/i386-features.c (convert_scalars_to_vector):
13656 Set DF_RD_PRUNE_DEAD_DEFS.
13658 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
13660 * system.h (SIZE_MAX): Define if not already defined.
13662 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
13664 * config/rs6000/genfusion.pl (gen_2logical): New function to
13665 generate patterns for logical-logical fusion.
13666 * config/rs6000/fusion.md: Regenerated patterns.
13667 * config/rs6000/rs6000-cpus.def: Add
13668 OPTION_MASK_P10_FUSION_2LOGICAL.
13669 * config/rs6000/rs6000.c (rs6000_option_override_internal):
13670 Enable logical-logical fusion for p10.
13671 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
13673 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
13675 * config/rs6000/rs6000.opt: Add periods to new AIX options.
13677 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
13679 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
13680 (mabi=vec-default): New.
13681 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
13682 __EXTABI__ for AIX Vector extended ABI.
13683 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
13685 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
13687 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
13689 2021-01-30 Jakub Jelinek <jakub@redhat.com>
13691 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
13692 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
13694 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
13697 * lra-constraints.c (in_class_p): Don't narrow class only for REG
13700 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
13702 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
13703 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
13704 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
13706 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
13708 PR tree-optimization/98866
13709 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
13710 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
13711 (gori_map::m_maybe_invariant): Rename from all_outgoing.
13712 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
13713 (gori_map::is_export_p): Ditto.
13714 (gori_map::calculate_gori): Ditto.
13715 (gori_compute::set_range_invariant): New.
13716 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
13717 invariant for pointers evaluating to [1, +INF].
13719 2021-01-29 Richard Biener <rguenther@suse.de>
13721 PR rtl-optimization/98863
13722 * config/i386/i386-features.c (remove_partial_avx_dependency):
13723 Do not perform DF analysis.
13724 (pass_data_remove_partial_avx_dependency): Remove
13727 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
13729 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
13730 builtin generator macros.
13731 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
13733 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
13734 instead of inline asm.
13735 (vmull_n_s32): Likewise.
13736 (vmull_n_u16): Likewise.
13737 (vmull_n_u32): Likewise.
13739 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13741 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
13743 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
13745 (aarch64_<sur>abdl2<mode>): ... This.
13746 (<sur>sadv16qi): Adjust use of above.
13747 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
13749 (vabdl_high_s16): Likewise.
13750 (vabdl_high_s32): Likewise.
13751 (vabdl_high_u8): Likewise.
13752 (vabdl_high_u16): Likewise.
13753 (vabdl_high_u32): Likewise.
13755 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13757 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
13759 (uabal2): Likewise.
13760 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
13762 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
13764 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
13766 (vabal_high_s16): Likewise.
13767 (vabal_high_s32): Likewise.
13768 (vabal_high_u8): Likewise.
13769 (vabal_high_u16): Likewise.
13770 (vabal_high_u32): Likewise.
13771 * config/aarch64/iterators.md (ABAL2): New mode iterator.
13772 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
13774 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13776 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
13779 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
13781 (aarch64_<sur>abal<mode>): ... This
13782 (<sur>sadv16qi): Adust use of the above.
13783 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
13785 (vabal_s16): Likewise.
13786 (vabal_s32): Likewise.
13787 (vabal_u8): Likewise.
13788 (vabal_u16): Likewise.
13789 (vabal_u32): Likewise.
13791 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13793 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
13795 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
13797 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
13799 (vaddlv_s16): Likewise.
13800 (vaddlv_u8): Likewise.
13801 (vaddlv_u16): Likewise.
13802 (vaddlvq_s8): Likewise.
13803 (vaddlvq_s16): Likewise.
13804 (vaddlvq_s32): Likewise.
13805 (vaddlvq_u8): Likewise.
13806 (vaddlvq_u16): Likewise.
13807 (vaddlvq_u32): Likewise.
13808 (vaddlv_s32): Likewise.
13809 (vaddlv_u32): Likewise.
13810 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
13811 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
13812 (Vwstype): New mode attribute.
13814 (VWIDE_S): Likewise.
13815 (USADDLV): New int iterator.
13816 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
13818 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
13820 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
13821 builtin generator macros.
13822 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
13824 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
13825 instead of inline asm.
13826 (vmlsl_lane_s32): Likewise.
13827 (vmlsl_lane_u16): Likewise.
13828 (vmlsl_lane_u32): Likewise.
13829 (vmlsl_laneq_s16): Likewise.
13830 (vmlsl_laneq_s32): Likewise.
13831 (vmlsl_laneq_u16): Likewise.
13832 (vmlsl_laneq_u32): Likewise.
13834 2021-01-29 Richard Biener <rguenther@suse.de>
13836 * doc/invoke.texi (--param max-gcse-memory): Document unit
13838 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
13839 * params.opt (--param max-gcse-memory): Adjust default and
13840 document unit of size.
13842 2021-01-29 Richard Biener <rguenther@suse.de>
13844 PR rtl-optimization/98863
13845 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
13846 HOST_WIDE_INT for the memory estimate.
13848 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
13849 Richard Biener <rguenther@suse.de>
13851 PR tree-optimization/97627
13852 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
13853 Do not analyze fake edges.
13855 2021-01-29 Richard Biener <rguenther@suse.de>
13857 PR rtl-optimization/98144
13858 * df.h (df_mir_bb_info): Add con_visited member.
13859 * df-problems.c (df_mir_alloc): Initialize con_visited,
13860 do not fully populate IN and OUT.
13861 (df_mir_reset): Likewise.
13862 (df_mir_confluence_0): Set con_visited.
13863 (df_mir_confluence_n): Properly handle implicitely
13864 fully populated IN and OUT as designated by con_visited
13865 and update con_visited accordingly.
13867 2021-01-29 Jakub Jelinek <jakub@redhat.com>
13870 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
13871 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
13872 && !TARGET_REALLY_IWMMXT to conditions.
13874 2021-01-29 Jakub Jelinek <jakub@redhat.com>
13877 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
13880 2021-01-28 Marek Polacek <polacek@redhat.com>
13883 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
13884 the main variant, maybe reset it in its variants too.
13885 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
13886 (check_aligned_type): Check if TYPE_USER_ALIGN match.
13888 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
13891 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
13892 of constant zero for comparisons.
13894 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
13896 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
13897 support for mapping built-in function names for long double
13898 built-in functions if long double is IEEE 128-bit.
13900 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
13902 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
13903 builtin generator macros.
13904 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
13906 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
13907 instead of inline asm.
13908 (vmlsl_n_s32): Likewise.
13909 (vmlsl_n_u16): Likewise.
13910 (vmlsl_n_u32): Likewise.
13912 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
13914 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
13915 builtin generator macros.
13916 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
13918 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
13919 instead of inline asm.
13920 (vmlal_n_s32): Likewise.
13921 (vmlal_n_u16): Likewise.
13922 (vmlal_n_u32): Likewise.
13924 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13926 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
13928 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
13930 (aarch64_shrn2<mode>_insn_be): Likewise.
13931 (aarch64_shrn2<mode>): Likewise.
13932 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
13934 (vshrn_high_n_s32): Likewise.
13935 (vshrn_high_n_s64): Likewise.
13936 (vshrn_high_n_u16): Likewise.
13937 (vshrn_high_n_u32): Likewise.
13938 (vshrn_high_n_u64): Likewise.
13940 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13942 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
13944 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
13946 (aarch64_shrn<mode>_insn_be): Likewise.
13947 (aarch64_shrn<mode>): Likewise.
13948 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
13950 (vshrn_n_s32): Likewise.
13951 (vshrn_n_s64): Likewise.
13952 (vshrn_n_u16): Likewise.
13953 (vshrn_n_u32): Likewise.
13954 (vshrn_n_u64): Likewise.
13955 * config/aarch64/iterators.md (vn_mode): New mode attribute.
13957 2021-01-28 Richard Biener <rguenther@suse.de>
13959 PR rtl-optimization/80960
13960 * dse.c (check_mem_read_rtx): Call get_addr on the
13963 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
13964 David Edelsohn <dje.gcc@gmail.com>
13967 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13968 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
13970 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
13972 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
13973 wrapper call rs6000_expand_vector_set_var for cleanup. Call
13974 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
13976 (rs6000_expand_vector_set_var): Delete.
13977 (rs6000_expand_vector_set_var_p9): Make static.
13978 (rs6000_expand_vector_set_var_p8): Make static.
13980 2021-01-28 Xing GUO <higuoxing@gmail.com>
13982 * common/config/riscv/riscv-common.c
13983 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
13984 when `p` extension exists.
13986 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
13988 PR rtl-optimization/97684
13989 * ira.c (ira): Call ira_set_pseudo_classes before
13990 update_equiv_regs when it is necessary.
13992 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13995 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
13996 %w0, %w1 and %2 instead of %0, %1 and %2.
13998 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
14000 * config/rs6000/genfusion.pl: New script to generate
14001 define_insn_and_split patterns so combine can arrange fused
14002 instructions next to each other.
14003 * config/rs6000/fusion.md: New file, generated fused instruction
14004 patterns for combine.
14005 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
14006 (non_update_memory_operand): New predicate.
14007 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
14008 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
14010 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
14012 * config/rs6000/rs6000.c (rs6000_option_override_internal):
14013 Automatically set OPTION_MASK_P10_FUSION and
14014 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
14015 (rs600_opt_masks): Allow -mpower10-fusion
14016 in function attributes.
14017 (address_is_non_pfx_d_or_x): New function.
14018 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
14019 * config/rs6000/rs6000.md: Include fusion.md.
14020 * config/rs6000/rs6000.opt: Add -mpower10-fusion
14021 and -mpower10-fusion-ld-cmpi.
14022 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
14024 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
14026 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
14027 builtin generator macros.
14028 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
14030 (aarch64_<su>mlal<mode>): This.
14031 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
14032 instead of inline asm.
14033 (vmlal_s16): Likewise.
14034 (vmlal_s32): Likewise.
14035 (vmlal_u8): Likewise.
14036 (vmlal_u16): Likewise.
14037 (vmlal_u32): Likewise.
14039 2021-01-27 Richard Biener <rguenther@suse.de>
14041 PR tree-optimization/98854
14042 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
14043 PHIs from scalars when the number of CTORs matches the
14044 number of children.
14046 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
14048 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
14050 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
14052 (aarch64_mls_n<mode>): This.
14053 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
14055 (vmls_n_s32): Likewise.
14056 (vmls_n_u16): Likewise.
14057 (vmls_n_u32): Likewise.
14058 (vmlsq_n_s16): Likewise.
14059 (vmlsq_n_s32): Likewise.
14060 (vmlsq_n_u16): Likewise.
14061 (vmlsq_n_u32): Likewise.
14063 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
14065 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
14067 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
14069 (vmls_s16): Likewise.
14070 (vmls_s32): Likewise.
14071 (vmls_u8): Likewise.
14072 (vmls_u16): Likewise.
14073 (vmls_u32): Likewise.
14074 (vmlsq_s8): Likewise.
14075 (vmlsq_s16): Likewise.
14076 (vmlsq_s32): Likewise.
14077 (vmlsq_u8): Likewise.
14078 (vmlsq_u16): Likewise.
14079 (vmlsq_u32): Likewise.
14081 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
14083 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
14085 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
14087 (aarch64_mla_n<mode>): This.
14088 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
14090 (vmla_n_s32): Likewise.
14091 (vmla_n_u16): Likewise.
14092 (vmla_n_u32): Likewise.
14093 (vmlaq_n_s16): Likewise.
14094 (vmlaq_n_s32): Likewise.
14095 (vmlaq_n_u16): Likewise.
14096 (vmlaq_n_u32): Likewise.
14098 2021-01-27 liuhongt <hongtao.liu@intel.com>
14101 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
14102 (*sse2_eq<mode>3): Ditto.
14104 2021-01-27 Jakub Jelinek <jakub@redhat.com>
14106 * tree-pass.h (PROP_trees): Rename to ...
14107 (PROP_gimple): ... this.
14108 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
14109 * passes.c (execute_function_dump, execute_function_todo,
14110 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
14111 * varpool.c (ctor_for_folding): Likewise.
14113 2021-01-27 Jakub Jelinek <jakub@redhat.com>
14115 PR tree-optimization/97260
14116 * varpool.c: Include tree-pass.h.
14117 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
14118 non-TREE_SIDE_EFFECTS automatic variables.
14120 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
14122 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
14124 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
14125 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
14126 (gen_compile_unit_die): Recognise C++23.
14128 2021-01-26 Jakub Jelinek <jakub@redhat.com>
14131 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
14134 2021-01-26 Jakub Jelinek <jakub@redhat.com>
14137 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
14138 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
14139 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
14141 2021-01-26 Richard Biener <rguenther@suse.de>
14143 * gimple-pretty-print.c (dump_binary_rhs): Handle
14144 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
14146 2021-01-26 Richard Biener <rguenther@suse.de>
14148 PR middle-end/98726
14149 * tree.h (vector_cst_int_elt): Remove.
14150 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
14153 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
14155 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
14156 for V64DFmode min/max reductions.
14158 2021-01-26 Jakub Jelinek <jakub@redhat.com>
14160 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
14161 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
14162 two halves, one with x and the other with const0_rtx, ordered
14163 depending on endianity.
14165 2021-01-26 Alexandre Oliva <oliva@adacore.com>
14167 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
14168 temporaries not seen in binding block, and not about to be
14169 added as gimple variables.
14171 2021-01-25 Martin Sebor <msebor@redhat.com>
14174 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
14176 2021-01-25 Martin Liska <mliska@suse.cz>
14178 * value-prof.c (get_nth_most_common_value): Use %s instead
14181 2021-01-25 Jakub Jelinek <jakub@redhat.com>
14184 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
14185 readelf -wi is able to read the emitted .debug_info back.
14186 * configure: Regenerated.
14188 2021-01-25 Martin Liska <mliska@suse.cz>
14190 PR gcov-profile/98739
14191 * common.opt: Add missing sign symbol.
14192 * value-prof.c (get_nth_most_common_value): Restore handling
14193 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
14194 PROFILE_REPRODUCIBILITY_MULTITHREADED.
14196 2021-01-25 Richard Biener <rguenther@suse.de>
14198 PR middle-end/98807
14199 * tree.c (vector_element_bits): Always use precision of
14200 the element type for boolean vectors.
14202 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
14204 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
14205 (ENDFILE_SPEC): Evaluate qnolinkcmds.
14207 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
14209 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
14210 nostartfiles handling since this is already done by
14211 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
14212 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
14213 is already done by LINK_COMMAND_SPEC.
14214 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
14215 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
14218 2021-01-25 Jakub Jelinek <jakub@redhat.com>
14221 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
14222 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
14223 value rather than host size_t.
14224 (fold_const_call): Change type of s2 from size_t to
14225 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
14226 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
14227 instead of s2 as last argument.
14229 2021-01-25 Tamar Christina <tamar.christina@arm.com>
14231 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
14232 VCMLA_OP, VCMUL_OP): New.
14233 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
14234 * config/arm/neon.md (cmul<conj_op><mode>3): New.
14235 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
14236 UNSPEC_VCMUL_CONJ): New.
14237 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
14238 cml<fcmac1><conj_op><mode>4): New.
14240 2021-01-23 Jakub Jelinek <jakub@redhat.com>
14243 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
14245 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
14247 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
14249 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
14251 (vmla_s16): Likewise.
14252 (vmla_s32): Likewise.
14253 (vmla_u8): Likewise.
14254 (vmla_u16): Likewise.
14255 (vmla_u32): Likewise.
14256 (vmlaq_s8): Likewise.
14257 (vmlaq_s16): Likewise.
14258 (vmlaq_s32): Likewise.
14259 (vmlaq_u8): Likewise.
14260 (vmlaq_u16): Likewise.
14261 (vmlaq_u32): Likewise.
14263 2021-01-22 David Malcolm <dmalcolm@redhat.com>
14265 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
14268 2021-01-22 Jakub Jelinek <jakub@redhat.com>
14271 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
14272 filenames to emit, still emit the required 0 index directory and
14273 filename entries that match DW_AT_comp_dir and DW_AT_name of the
14276 2021-01-22 Marek Polacek <polacek@redhat.com>
14279 * doc/invoke.texi: Update C++ ABI Version 15 description.
14281 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14283 PR tree-optimization/98766
14284 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
14285 comparing against type size with param_avoid_fma_max_bits.
14287 2021-01-22 Richard Biener <rguenther@suse.de>
14289 PR middle-end/98793
14290 * tree.c (vector_element_bits): Key single-bit bool vector on
14291 integer mode rather than not vector mode.
14293 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
14296 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14297 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
14299 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
14300 to call different path for P8 and P9.
14301 (rs6000_expand_vector_set_var_p9): New function.
14302 (rs6000_expand_vector_set_var_p8): New function.
14304 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
14308 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14309 Ajdust variable index vec_insert from address dereference to
14310 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
14311 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
14313 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
14315 2021-01-22 Martin Liska <mliska@suse.cz>
14317 PR gcov-profile/98739
14318 * profile.c (compute_value_histograms): Drop time profile for
14319 -fprofile-reproducible=multithreaded.
14321 2021-01-22 Nathan Sidwell <nathan@acm.org>
14323 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
14326 2021-01-22 Richard Biener <rguenther@suse.de>
14328 PR middle-end/98773
14329 * tree-data-ref.c (initalize_matrix_A): Revert previous
14330 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
14332 2021-01-22 Jakub Jelinek <jakub@redhat.com>
14334 PR tree-optimization/90248
14335 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
14336 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
14338 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
14339 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
14341 2021-01-22 Jakub Jelinek <jakub@redhat.com>
14343 PR tree-optimization/98255
14344 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
14345 extend index - low_bound from sizetype's precision rather than index
14347 (get_addr_base_and_unit_offset_1): Likewise.
14348 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
14349 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
14351 2021-01-22 Richard Biener <rguenther@suse.de>
14353 PR tree-optimization/98786
14354 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
14355 adding new uses of abnormals. Verify we deal with a conditional
14358 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
14361 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
14363 2021-01-22 liuhongt <hongtao.liu@intel.com>
14367 * config/i386/sse.md (VI_128_256): New mode iterator.
14368 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
14369 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
14370 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
14371 define_insn_and_split to lower avx512 vector comparison to avx
14372 version when dest is vector.
14373 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
14374 define_insn_and_split for negating the comparison result.
14375 * config/i386/predicates.md (float_vector_all_ones_operand):
14377 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
14378 general NOT operator without UNSPEC_MASKOP.
14380 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
14382 PR rtl-optimization/98777
14383 * lra-int.h (lra_pmode_pseudo): New extern.
14384 * lra.c (lra_pmode_pseudo): New global.
14386 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
14388 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
14390 * fwprop.c (fwprop_propagation::classify_result): Allow
14391 (subreg (mem)) simplifications.
14393 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14395 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
14397 (aarch64_sqdmlal<mode>): ... This...
14398 (aarch64_sqdmlsl<mode>): ... And this.
14399 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
14400 (aarch64_sqdmlal_lane<mode>): ... This...
14401 (aarch64_sqdmlsl_lane<mode>): ... And this.
14402 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
14403 (aarch64_sqdmlsl_laneq<mode>): ... This...
14404 (aarch64_sqdmlal_laneq<mode>): ... And this.
14405 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
14406 (aarch64_sqdmlsl_n<mode>): ... This...
14407 (aarch64_sqdmlal_n<mode>): ... And this.
14408 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
14409 (aarch64_sqdmlal2<mode>_internal): ... This...
14410 (aarch64_sqdmlsl2<mode>_internal): ... And this.
14412 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
14414 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
14416 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
14419 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
14421 2021-01-21 liuhongt <hongtao.liu@intel.com>
14423 PR rtl-optimization/98694
14424 * regcprop.c (copy_value): If SRC had been assigned a mode
14425 narrower than the copy, we can't link DEST into the chain even
14426 they have same hard_regno_nregs(i.e. HImode/SImode in i386
14429 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14431 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
14432 Convert to define_insn_and_split. Split into simple move when moving
14435 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
14437 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
14438 Adjust comment. Simplify code.
14440 2021-01-20 Jakub Jelinek <jakub@redhat.com>
14443 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
14444 with DW_FORM_line_strp form.
14445 (prune_unused_types_update_strings): Don't add into debug_str_hash
14446 indirect strings with DW_FORM_line_strp form.
14447 (adjust_name_comp_dir): New function.
14448 (dwarf2out_finish): Call it on CU DIEs after resetting
14449 debug_line_str_hash.
14451 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
14453 PR rtl-optimization/98722
14454 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
14455 has no 3-op add insn to transform insns containing two pluses.
14457 2021-01-20 Richard Biener <rguenther@suse.de>
14459 * hwint.h (add_hwi): New function.
14460 (mul_hwi): Likewise.
14461 * tree-data-ref.c (initialize_matrix_A): Properly translate
14462 tree constants and avoid HOST_WIDE_INT_MIN.
14463 (lambda_matrix_row_add): Avoid undefined integer overflow
14464 and return true on such overflow.
14465 (lambda_matrix_right_hermite): Handle overflow from
14466 lambda_matrix_row_add gracefully. Simplify previous fix.
14467 (analyze_subscript_affine_affine): Likewise.
14469 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
14471 PR tree-optimization/96674
14472 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
14473 x >= y && y != XXX_MIN --> x > y - 1
14475 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
14477 PR tree-optimization/98535
14478 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
14479 If the high and low permutes are the same, remove the high permutes
14480 from the working set and only continue with the low ones.
14482 2021-01-20 Jakub Jelinek <jakub@redhat.com>
14484 PR tree-optimization/98721
14485 * builtins.c (access_ref::inform_access): Don't assume
14486 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
14487 object whenever allocfn is NULL, rather than only when DECL_P
14488 is true. Use %qE instead of %qD for that. Formatting fixes.
14490 2021-01-20 Richard Biener <rguenther@suse.de>
14492 PR tree-optimization/98758
14493 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
14494 (lambda_matrix_right_hermite): Avoid undefinedness with
14495 signed integer abs and multiplication.
14496 (analyze_subscript_affine_affine): Use lambda_int.
14498 2021-01-20 David Malcolm <dmalcolm@redhat.com>
14501 * dwarf2out.c (output_line_info): Rename static variable
14502 "generation", moving it out of the function to...
14503 (output_line_info_generation): New.
14504 (init_sections_and_labels): Likewise, renaming the variable to...
14505 (init_sections_and_labels_generation): New.
14506 (dwarf2out_c_finalize): Reset the new variables.
14508 2021-01-19 Martin Sebor <msebor@redhat.com>
14510 PR middle-end/98664
14511 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
14512 all functions, even if they're not declared artificial or inline.
14513 * tree.c (tree_inlined_location): Use macro expansion location
14514 only if scope traversal fails to expose one.
14516 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
14518 PR rtl-optimization/92294
14519 * alias.c (compare_base_symbol_refs): Take an extra parameter
14520 and add the distance between two symbols to it. Enshrine in
14521 comments that -1 means "either 0 or 1, but we can't tell
14522 which at compile time".
14523 (memrefs_conflict_p): Update call accordingly.
14524 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
14527 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14529 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
14530 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
14531 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
14532 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
14533 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
14534 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
14535 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
14536 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
14537 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
14538 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
14539 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
14540 sqmovun): Use NONE flags.
14542 2021-01-19 Richard Biener <rguenther@suse.de>
14545 * ipa-modref.c (analyze_stmt): Only record a summary for a
14548 2021-01-19 Richard Biener <rguenther@suse.de>
14550 PR middle-end/98638
14551 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
14553 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
14555 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
14556 built-in define __FIX_LEON3FT_TN0018.
14558 2021-01-19 Richard Biener <rguenther@suse.de>
14561 * tree-inline.c (tree_function_versioning): Set input_location
14562 to UNKNOWN_LOCATION throughout the function.
14564 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
14567 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
14569 2021-01-19 Martin Jambor <mjambor@suse.cz>
14572 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
14573 whether non-call exceptions allow removal of a statement.
14574 (isra_analyze_call): Pass the appropriate function to
14575 ssa_name_only_returned_p.
14577 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
14579 * config/riscv/arch-canonicalize (longext_sort): New function for
14580 sorting 'multi-letter'.
14581 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
14582 'alts'. The 'arch' may not be the first of 'alts'.
14583 (_expand_combination): Add underline for the 'ext' without '*'.
14584 This is because, a single-letter extension can always be treated well
14585 with a '_' prefix, but it cannot be separated out if it is appended
14588 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
14591 * ira.c (ira): Skip abnormal critical edge splitting.
14593 2021-01-18 Jakub Jelinek <jakub@redhat.com>
14595 PR tree-optimization/98727
14596 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
14597 second .MUL_OVERFLOW operand for signed multiplication with overflow
14598 checking if the second operand of multiplication is not constant.
14600 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
14602 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
14603 defaults to version 4.
14605 2021-01-18 David Malcolm <dmalcolm@redhat.com>
14607 * attribs.h (fndecl_dealloc_argno): New decl.
14608 * builtins.c (call_dealloc_argno): Split out second half of
14610 (fndecl_dealloc_argno): New.
14611 * doc/extend.texi (Common Function Attributes): Document the
14612 interaction between the analyzer and the malloc attribute.
14613 * doc/invoke.texi (Static Analyzer Options): Likewise.
14615 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
14617 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
14618 dwarf_version to 4.
14619 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14621 2021-01-17 Martin Jambor <mjambor@suse.cz>
14624 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
14627 2021-01-17 Mark Wielaard <mark@klomp.org>
14629 * common.opt (gdwarf-): Init(5).
14630 * doc/invoke.texi (-gdwarf): Document default to 5.
14632 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
14634 * builtin-types.def
14635 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
14637 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
14638 ...this. Add extra argument.
14639 * gimplify.c (omp_default_clause): Ensure that event handle is
14640 firstprivate in a task region.
14641 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
14642 (gimplify_adjust_omp_clauses): Likewise.
14643 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
14644 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
14645 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
14646 if detach clause specified. Add detach argument when generating
14648 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
14650 (finish_taskreg_scan): Move field for variable containing the event
14651 handle to the front of the struct.
14652 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
14654 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
14655 OMP_CLAUSE_DETACH clause.
14656 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
14657 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
14658 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
14660 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
14662 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
14664 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14666 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
14667 multilib directory names. Use MULTILIB_REQUIRED instead of
14668 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
14669 -mcustom-fpu-cfg=fph2 multilib.
14671 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14673 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
14674 (nios2_init_fpu_configs): Provide register values for new
14675 -mcustom-fpu-cfg=fph2 option variant.
14676 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
14679 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14681 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
14682 custom instruction warnings.
14684 2021-01-16 Jakub Jelinek <jakub@redhat.com>
14686 PR tree-optimization/96669
14687 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
14689 2021-01-16 Jakub Jelinek <jakub@redhat.com>
14691 PR tree-optimization/96271
14692 * passes.def: Pass false argument to first two pass_cd_dce
14693 instances and true to last instance. Add comment that
14694 last instance rewrites no longer addressed locals.
14695 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
14697 (pass_cd_dce::set_pass_param): New method.
14698 (pass_cd_dce::execute): Return TODO_update_address_taken from
14699 last cd_dce instance.
14701 2021-01-15 Carl Love <cel@us.ibm.com>
14703 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
14705 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
14706 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
14707 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
14708 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
14709 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
14710 Add builtin define.
14711 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
14712 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
14713 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
14714 New overloaded definitions.
14715 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
14716 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
14717 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
14718 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
14719 P10V_BUILTIN_MULHU_V4SI]: Add case
14720 statement for builtins.
14721 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
14722 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
14723 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
14724 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
14725 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
14726 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
14727 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
14728 Add define_insn, mode is VIlong.
14729 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
14730 Add builtin descriptions.
14732 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
14734 * final.c (final_start_function_1): Reset force_source_line.
14736 2021-01-15 Jakub Jelinek <jakub@redhat.com>
14738 PR tree-optimization/96669
14739 * match.pd (((1 << A) & 1) != 0 -> A == 0,
14740 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
14741 possibly different power of two constants and to right shift too.
14743 2021-01-15 Jakub Jelinek <jakub@redhat.com>
14745 PR tree-optimization/96681
14746 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
14747 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
14748 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
14749 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
14751 2021-01-15 Alexandre Oliva <oliva@adacore.com>
14753 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
14755 2021-01-15 Tamar Christina <tamar.christina@arm.com>
14757 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
14758 cmul<conj_op><mode>3): New.
14759 * config/aarch64/iterators.md (UNSPEC_FCMUL,
14760 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
14761 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
14762 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
14763 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
14764 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
14765 (rot_op): Renamed to conj_op.
14766 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
14767 cmul<conj_op><mode>3): New.
14768 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
14769 cmul<conj_op><mode>3): New.
14771 2021-01-15 David Malcolm <dmalcolm@redhat.com>
14775 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
14776 Escape the tempfile name when constructing the expected output.
14778 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14780 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
14782 (aarch64_<su>mlsl_hi<mode>): ... This.
14783 (aarch64_<su>mlsl_hi<mode>): Define.
14784 (*aarch64_<su>mlsl<mode): Rename to...
14785 (aarch64_<su>mlsl<mode): ... This.
14786 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
14787 smlsl_hi, umlsl_hi): Define builtins.
14788 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
14789 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
14790 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
14791 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
14793 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
14795 * config/i386/i386-c.c (ix86_target_macros):
14796 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
14798 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14801 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
14802 * Makefile.in (RTL_SSA_H): New variable.
14803 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
14804 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
14805 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
14807 * config/aarch64/aarch64-cc-fusion.cc: New file.
14809 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14811 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
14812 calling cancel_changes for changes that no longer exist.
14814 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14816 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
14817 (function_info::reg_defs): ...this.
14818 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
14819 (function_info::reg_defs): ...this.
14821 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14824 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14826 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14829 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14832 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14834 2021-01-15 Richard Biener <rguenther@suse.de>
14836 PR tree-optimization/96376
14837 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
14838 for VMAT_INVARIANT.
14840 2021-01-15 Martin Liska <mliska@suse.cz>
14842 * doc/install.texi: Document that some tests need pytest module.
14843 * doc/sourcebuild.texi: Likewise.
14845 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14848 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14850 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14852 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
14853 (mve_vshrq_n_u<mode>_imm): Likewise.
14854 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
14855 * config/arm/vec-common.md: ... here.
14857 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14859 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
14861 * config/arm/neon.md (vashl<mode>3): Delete.
14862 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
14863 (vasl<mode>3): New expander.
14865 2021-01-15 Richard Biener <rguenther@suse.de>
14867 PR tree-optimization/98685
14868 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
14869 of vector extern defs.
14871 2021-01-14 David Malcolm <dmalcolm@redhat.com>
14874 * diagnostic.c (diagnostic_kind_text): Break out this array
14876 (diagnostic_build_prefix): ...here.
14877 (fancy_abort): Detect when diagnostic_initialize has not yet been
14878 called and fall back to a minimal implementation of printing the
14879 ICE, rather than segfaulting in internal_error.
14881 2021-01-14 David Malcolm <dmalcolm@redhat.com>
14883 * diagnostic.c (diagnostic_initialize): Eliminate
14884 parseable_fixits_p in favor of initializing extra_output_kind from
14885 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
14886 (convert_column_unit): New function, split out from...
14887 (diagnostic_converted_column): ...this.
14888 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
14889 Use them to call convert_column_unit on the column values.
14890 (diagnostic_report_diagnostic): Eliminate conditional on
14891 parseable_fixits_p in favor of a switch statement on
14892 extra_output_kind, passing the appropriate values to the new
14893 params of print_parseable_fixits.
14894 (selftest::test_print_parseable_fixits_none): Update for new
14895 params of print_parseable_fixits.
14896 (selftest::test_print_parseable_fixits_insert): Likewise.
14897 (selftest::test_print_parseable_fixits_remove): Likewise.
14898 (selftest::test_print_parseable_fixits_replace): Likewise.
14899 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
14901 (selftest::diagnostic_c_tests): Call it.
14902 * diagnostic.h (enum diagnostics_extra_output_kind): New.
14903 (diagnostic_context::parseable_fixits_p): Delete field in favor
14905 (diagnostic_context::extra_output_kind): ...this new field.
14906 * doc/invoke.texi (Environment Variables): Add
14907 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
14908 * opts.c (common_handle_option): Update handling of
14909 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
14912 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14914 * tree-vect-slp-patterns.c (class complex_operations_pattern,
14915 complex_operations_pattern::matches,
14916 complex_operations_pattern::recognize,
14917 complex_operations_pattern::build): New.
14918 (slp_patterns): Use it.
14920 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14922 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
14923 * optabs.def (cmls_optab, cmls_conj_optab): New.
14924 * doc/md.texi: Document them.
14925 * tree-vect-slp-patterns.c (class complex_fms_pattern,
14926 complex_fms_pattern::matches, complex_fms_pattern::recognize,
14927 complex_fms_pattern::build): New.
14929 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14931 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
14932 * optabs.def (cmla_optab, cmla_conj_optab): New.
14933 * doc/md.texi: Document them.
14934 * tree-vect-slp-patterns.c (vect_match_call_p,
14935 class complex_fma_pattern, vect_slp_reset_pattern,
14936 complex_fma_pattern::matches, complex_fma_pattern::recognize,
14937 complex_fma_pattern::build): New.
14939 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14941 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
14942 * optabs.def (cmul_optab, cmul_conj_optab): New.
14943 * doc/md.texi: Document them.
14944 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
14945 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
14946 vect_build_combine_node, class complex_mul_pattern,
14947 complex_mul_pattern::matches, complex_mul_pattern::recognize,
14948 complex_mul_pattern::build): New.
14950 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14952 * tree-vect-slp.c (optimize_load_redistribution_1): New.
14953 (optimize_load_redistribution, vect_is_slp_load_node): New.
14954 (vect_match_slp_patterns): Use it.
14956 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14958 * tree-vect-slp-patterns.c (complex_add_pattern::build):
14961 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
14963 * config/gcn/mkoffload.c (main): Create an offload image only in
14964 64-bit configurations.
14966 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
14969 * config/i386/i386-options.c (ix86_option_override_internal):
14970 Issue an error for -fcf-protection with CF_BRANCH when compiling
14971 for 32-bit non-TARGET_CMOV targets.
14973 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
14976 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
14977 Remove declaration and initialization of shadow variable "ret".
14978 (ix86_option_override_internal): Remove delcaration of
14979 shadow variable "i". Redeclare shadowed variable to unsigned.
14980 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
14981 * config/i386/i386-builtins.c (get_builtin_code_for_version):
14982 Update for redeclaration.
14983 * config/i386/i386.h (pta_size): Ditto.
14985 2021-01-14 Richard Biener <rguenther@suse.de>
14987 PR tree-optimization/98674
14988 * tree-data-ref.c (base_supports_access_fn_components_p): New.
14989 (initialize_data_dependence_relation): For two bases without
14990 possible access fns resort to type size equality when determining
14991 shape compatibility.
14993 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
14996 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
14997 <=, >= operators in vcle and vcge intrinsics respectively.
14998 * config/arm/arm_neon_builtins.def: Remove entry for
15001 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
15004 * config/i386/i386-options.c (ix86_function_specific_save):
15005 Remove redundant assignment to opts->x_ix86_branch_cost.
15006 * config/i386/i386.c (ix86_prefetch_sse):
15007 Rename from x86_prefetch_sse. Update all uses.
15008 * config/i386/i386.h: Update for rename.
15009 * config/i386/i386-options.h: Ditto.
15011 2021-01-14 Jakub Jelinek <jakub@redhat.com>
15014 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
15015 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
15016 Use Bm instead of m for non-avx. Add isa attribute.
15018 2021-01-14 Jakub Jelinek <jakub@redhat.com>
15020 PR tree-optimization/96688
15021 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
15022 ~X can be simplified.
15024 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
15026 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
15027 IFN_LOAD_LANES results.
15029 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15031 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
15033 (aarch64_xtn<mode>): Likewise.
15034 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
15037 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
15039 (vmovl_s16): Likewise.
15040 (vmovl_s32): Likewise.
15041 (vmovl_u8): Likewise.
15042 (vmovl_u16): Likewise.
15043 (vmovl_u32): Likewise.
15044 (vmovn_s16): Likewise.
15045 (vmovn_s32): Likewise.
15046 (vmovn_s64): Likewise.
15047 (vmovn_u16): Likewise.
15048 (vmovn_u32): Likewise.
15049 (vmovn_u64): Likewise.
15051 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15053 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
15055 (aarch64_<su>qxtn2<mode>_be): Likewise.
15056 (aarch64_<su>qxtn2<mode>): Likewise.
15057 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
15059 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
15060 (su): Handle ss_truncate and us_truncate.
15061 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
15063 (vqmovn_high_s32): Likewise.
15064 (vqmovn_high_s64): Likewise.
15065 (vqmovn_high_u16): Likewise.
15066 (vqmovn_high_u32): Likewise.
15067 (vqmovn_high_u64): Likewise.
15069 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15071 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
15073 (aarch64_xtn2<mode>_be): Likewise.
15074 (aarch64_xtn2<mode>): Likewise.
15075 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
15077 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
15079 (vmovn_high_s32): Likewise.
15080 (vmovn_high_s64): Likewise.
15081 (vmovn_high_u16): Likewise.
15082 (vmovn_high_u32): Likewise.
15083 (vmovn_high_u64): Likewise.
15085 2021-01-13 Stafford Horne <shorne@gmail.com>
15087 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
15089 2021-01-13 Stafford Horne <shorne@gmail.com>
15091 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
15093 2021-01-13 Stafford Horne <shorne@gmail.com>
15095 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
15096 define for __or1k_hard_float__.
15098 2021-01-13 Stafford Horne <shorne@gmail.com>
15100 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
15101 (PROFILE_HOOK): Define to call _mcount.
15102 (FUNCTION_PROFILER): Change from abort to no-op.
15104 2021-01-13 Jakub Jelinek <jakub@redhat.com>
15106 PR tree-optimization/96691
15107 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
15108 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
15109 (~D ^ C) or (D ^ C) can be simplified.
15111 2021-01-13 Richard Biener <rguenther@suse.de>
15113 PR tree-optimization/92645
15114 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
15115 until after vector lowering.
15117 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
15119 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
15121 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
15122 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
15124 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
15126 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
15128 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
15129 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
15131 2021-01-13 Richard Biener <rguenther@suse.de>
15133 PR tree-optimization/92645
15134 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
15135 BIT_FIELD_REF argument.
15136 (vect_build_slp_tree_2): Record the desired vector type
15137 on the external vector def.
15138 (vectorizable_slp_permutation): Handle required punning
15139 of existing vector defs.
15141 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
15143 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
15145 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
15147 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
15149 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
15151 * config.gcc [$target == *-*-gnu*]: Enable
15152 'default_gnu_indirect_function'.
15154 2021-01-13 Jakub Jelinek <jakub@redhat.com>
15157 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
15158 registers before calling targetm.vectorize.vec_perm_const, only after
15160 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
15161 two argument permutation when one operand is zero vector and only
15162 after that force operands into registers.
15163 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
15164 define_insn_and_split pattern.
15165 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
15166 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
15167 (*avx2_zero_extendv8hiv8si2_1): Likewise.
15168 (*avx512f_zero_extendv8siv8di2_1): Likewise.
15169 (*avx2_zero_extendv4siv4di2_1): Likewise.
15170 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
15172 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
15173 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
15174 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
15175 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
15176 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
15177 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
15179 2021-01-13 Martin Liska <mliska@suse.cz>
15181 PR tree-optimization/98455
15182 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
15183 Record also virtual PHIs.
15184 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
15187 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
15189 * doc/invoke.texi (C++ Modules): Fix typos.
15191 2021-01-13 Richard Biener <rguenther@suse.de>
15193 PR tree-optimization/98640
15194 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
15195 handle plus or minus from a truncated operand to be
15198 2021-01-13 Jakub Jelinek <jakub@redhat.com>
15201 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
15202 define_insn_and_split patterns.
15203 (splitter after *btr<mode>_2): New splitter.
15205 2021-01-13 Martin Liska <mliska@suse.cz>
15208 * cgraphunit.c (analyze_functions): Remove dead code.
15210 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
15212 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
15213 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
15214 (a64fx_regmove_cost, a64fx_vector_cost): New.
15215 (a64fx_tunings): Use the new added cost tables.
15217 2021-01-13 Jakub Jelinek <jakub@redhat.com>
15220 * config/i386/predicates.md (pmovzx_parallel): New predicate.
15221 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
15222 define_insn_and_split pattern.
15223 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
15224 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
15226 2021-01-13 Julian Brown <julian@codesourcery.com>
15228 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
15229 to fix v0 register.
15231 2021-01-13 Julian Brown <julian@codesourcery.com>
15233 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
15236 2021-01-13 Julian Brown <julian@codesourcery.com>
15238 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
15239 for reciprocal-approximation instructions.
15240 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
15241 refinement and division result.
15242 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
15244 2021-01-13 Julian Brown <julian@codesourcery.com>
15246 * config/gcn/gcn-valu.md (subdf): Rename to...
15249 2021-01-12 Martin Liska <mliska@suse.cz>
15251 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
15253 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
15255 * function-abi.h: Fix typo.
15257 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
15261 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
15262 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
15263 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
15264 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
15265 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
15266 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
15267 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
15268 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
15269 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
15270 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
15271 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
15272 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
15273 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
15274 (ARM_HAVE_V2DI_LDST): Likewise.
15275 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
15276 (*movmisalign<mode>_mve_load): New pattern.
15277 * config/arm/neon.md (movmisalign<mode>): Move to ...
15278 * config/arm/vec-common.md: ... here.
15280 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
15283 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
15284 of pattern 'plus (plus (hard reg, const), pseudo)'.
15286 2021-01-12 Richard Biener <rguenther@suse.de>
15288 PR tree-optimization/98550
15289 * tree-vect-slp.c (vect_record_max_nunits): Check whether
15290 the group size is a multiple of the vector element count.
15291 (vect_build_slp_tree_1): When we need to fail because
15292 the vector type choosen causes unrolling do so lazily
15293 without affecting matches only at the end to guide group splitting.
15295 2021-01-12 Martin Liska <mliska@suse.cz>
15298 * optc-save-gen.awk: Compare also n_target_save vars with
15301 2021-01-12 Martin Liska <mliska@suse.cz>
15303 * gcov.c (source_info::debug): New.
15304 (print_usage): Add --debug (-D) option.
15305 (process_args): Likewise.
15306 (generate_results): Call src->debug after
15307 accumulate_line_counts.
15308 (read_graph_file): Properly assign id for EXIT_BLOCK.
15309 * profile.c (branch_prob): Dump function body before it is
15312 2021-01-12 Jakub Jelinek <jakub@redhat.com>
15314 PR tree-optimization/98629
15315 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
15316 unless returning non-zero.
15318 2021-01-12 Jakub Jelinek <jakub@redhat.com>
15320 PR tree-optimization/95731
15321 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
15322 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
15323 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
15324 only after optimize_range_tests_var_bound.
15326 2021-01-12 Jakub Jelinek <jakub@redhat.com>
15328 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
15329 * configure: Regenerated.
15331 2021-01-12 liuhongt <hongtao.liu@intel.com>
15334 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
15336 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
15339 2021-01-12 Alexandre Oliva <oliva@adacore.com>
15341 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
15343 (auto_end_imm_use_stmt_traverse): New struct.
15344 (FOR_EACH_IMM_USE_STMT): Use it.
15345 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
15347 * gimple-ssa-strength-reduction.c: ... here, ...
15348 * graphite-scop-detection.c: ... here, ...
15349 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
15350 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
15351 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
15352 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
15353 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
15354 * tree-vect-slp.c: ... and here, ...
15355 * doc/tree-ssa.texi: ... and the example here.
15357 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15359 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
15360 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
15361 (*sdiv_pow2<mode>3): New pattern.
15362 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
15363 Wrap the ASRD in an UNSPEC_PRED_X.
15364 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
15365 predicate with a constant PTRUE, if it isn't already.
15366 (*cond_<sve_int_op><mode>_z): Replace with...
15367 (*cond_<sve_int_op><mode>_any): ...this new pattern.
15369 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15371 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
15372 SVE_FULL_I to SVE_I.
15373 (*cond_bic<mode>_any): Likewise.
15375 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15377 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
15378 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
15381 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15383 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
15384 SVE_FULL_I to SVE_I.
15385 (*aarch64_cond_<su>abd<mode>_2): Likewise.
15386 (*aarch64_cond_<su>abd<mode>_any): Likewise.
15387 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
15388 for the max and min but not for the minus.
15389 (*aarch64_cond_<su>abd<mode>_3): New pattern.
15391 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15393 * config/aarch64/iterators.md (SVE_24I): New iterator.
15394 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
15395 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
15397 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15399 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
15400 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
15402 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
15403 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
15404 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
15405 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
15407 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15409 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
15410 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
15411 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
15414 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15416 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
15417 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
15418 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
15420 2021-01-11 Martin Liska <mliska@suse.cz>
15423 * symtab-clones.h (clone_info::release): Release
15424 symtab::m_clones with ggc_delete as it's a GGC memory.
15426 2021-01-11 Matthias Klose <doko@ubuntu.com>
15428 * Makefile.in (LINK_PROGRESS): Show the link target.
15430 2021-01-11 Richard Biener <rguenther@suse.de>
15432 PR tree-optimization/91403
15433 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
15434 single-element interleaving group size at 4096 elements.
15436 2021-01-11 Richard Biener <rguenther@suse.de>
15438 PR tree-optimization/98526
15439 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
15440 of the actual reduction op for the regular case.
15441 (vectorizable_reduction): Cost the stmts
15442 vect_transform_reduction produces here.
15444 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
15446 * tree-ssa-forwprop.c (simplify_vector_constructor): For
15447 big-endian, use UNPACK[_FLOAT]_HI.
15449 2021-01-11 Tamar Christina <tamar.christina@arm.com>
15451 * tree-vect-slp-patterns.c (class complex_pattern,
15452 class complex_add_pattern): Add parameters to matches.
15453 (complex_add_pattern::build): Free memory.
15454 (complex_add_pattern::matches): Move validation end of match.
15455 (complex_add_pattern::recognize): Likewise.
15457 2021-01-11 Tamar Christina <tamar.christina@arm.com>
15459 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
15461 2021-01-11 Tamar Christina <tamar.christina@arm.com>
15463 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
15465 2021-01-11 Jakub Jelinek <jakub@redhat.com>
15467 PR tree-optimization/95867
15468 * tree-ssa-math-opts.h: New header.
15469 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
15470 (powi_as_mults): No longer static. Use build_one_cst instead of
15471 build_real. Formatting fix.
15472 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
15473 (attempt_builtin_powi): Handle multiplication reassociation without
15474 powi_fndecl using powi_as_mults.
15475 (reassociate_bb): For integral types don't require
15476 -funsafe-math-optimizations to call attempt_builtin_powi.
15478 2021-01-11 Jakub Jelinek <jakub@redhat.com>
15480 PR tree-optimization/95852
15481 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
15482 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
15483 allow in the bb any of the stmts in that vector, div_stmt and
15484 up to 3 cast stmts.
15485 (arith_cast_equal_p): New function.
15486 (arith_overflow_check_p): Add cast_stmt argument, handle signed
15487 multiply overflow checks.
15488 (match_arith_overflow): Adjust caller. Handle signed multiply
15491 2021-01-11 Jakub Jelinek <jakub@redhat.com>
15493 PR tree-optimization/95852
15494 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
15495 (uaddsub_overflow_check_p): Renamed to ...
15496 (arith_overflow_check_p): ... this. Handle also multiplication
15497 with overflow check.
15498 (match_uaddsub_overflow): Renamed to ...
15499 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
15500 also multiplication with overflow check. Adjust function comment.
15501 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
15502 match_arith_overflow also for MULT_EXPR.
15504 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15506 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
15507 __builtin_convertvector.
15508 (vmovl_s16): Likewise.
15509 (vmovl_s32): Likewise.
15510 (vmovl_u8): Likewise.
15511 (vmovl_u16): Likewise.
15512 (vmovl_u32): Likewise.
15513 (vmovn_s16): Likewise.
15514 (vmovn_s32): Likewise.
15515 (vmovn_s64): Likewise.
15516 (vmovn_u16): Likewise.
15517 (vmovn_u32): Likewise.
15518 (vmovn_u64): Likewise.
15520 2021-01-11 Martin Liska <mliska@suse.cz>
15522 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
15523 (if_chain::is_beneficial): Delete clusters
15524 (find_conditions): Make second argument of conditions_in_bbs a
15525 pointer so that we control over it's lifetime.
15526 (pass_if_to_switch::execute): Delete them.
15528 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
15530 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
15533 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
15535 * config/vax/vax.md (cc): Remove mode attribute.
15536 (subst_<cc>, subst_f<cc>): Rename to...
15537 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
15538 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
15539 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
15540 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
15542 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
15544 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
15545 `const_double_zero'.
15547 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
15549 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
15550 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
15553 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
15555 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
15557 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
15558 with `const_double_zero'.
15559 * doc/rtl.texi (Constant Expression Types): Document it.
15561 2021-01-09 Jakub Jelinek <jakub@redhat.com>
15564 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
15565 POINTER_DIFF_EXPR to be any integral type.
15567 2021-01-09 Jakub Jelinek <jakub@redhat.com>
15569 PR rtl-optimization/98603
15570 * function.c (instantiate_virtual_regs_in_insn): For asm goto
15571 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
15572 if any, set ASM_OPERANDS mode to VOIDmode and change
15573 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
15575 2021-01-09 Alexandre Oliva <oliva@gnu.org>
15578 * final.c (notice_source_line): Narrow down the condition to
15579 skip a line-0 marker.
15581 2021-01-08 Sergei Trofimovich <siarheit@google.com>
15583 * ipa-modref.c (merge_call_side_effects): Fix
15584 linebreak split by reordering two print calls.
15586 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
15588 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
15589 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
15590 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
15591 consistency, fix constraint.
15593 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
15595 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
15596 callables instead of mask values.
15597 (struct target_flag_set_p): New predicate.
15598 (s390_cpu_cpp_builtins_internal): Define or undefine
15599 __LONG_DOUBLE_VX__ macro.
15601 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
15604 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
15605 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
15608 2021-01-08 Richard Biener <rguenther@suse.de>
15610 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
15612 2021-01-08 Richard Biener <rguenther@suse.de>
15614 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
15615 (vect_build_slp_tree): On cache hit release the matched
15616 scalar stmts vector.
15617 * tree-vect-stmts.c (vectorizable_store): Properly free
15618 vec_oprnds before possibly gathering them again.
15620 2021-01-08 Richard Biener <rguenther@suse.de>
15622 PR tree-optimization/98544
15623 * tree-vect-slp.c (vect_optimize_slp): Always materialize
15624 permutes at a permute node.
15626 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
15629 * config/i386/i386.c (x86_function_profiler): Use R10 to call
15630 mcount in large model. Sorry for large model with PIC.
15632 2021-01-08 Jakub Jelinek <jakub@redhat.com>
15635 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
15636 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
15637 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
15638 TargetSave and initialize for variables with enum types.
15639 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
15640 mstack-protector-guard-symbol=): Add Save.
15641 * config/i386/i386-options.c (ix86_function_specific_save,
15642 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
15643 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
15644 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
15645 x_ix86_veclibabi_type.
15647 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
15649 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
15650 SVE_FULL_I to SVE_I.
15651 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
15653 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
15655 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
15656 SVE_FULL_I to SVE_I.
15657 (*cond_uxt<mode>_any): Likewise.
15659 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15661 * config/aarch64/iterators.md (Vwhalf): New iterator.
15662 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
15664 (aarch64_<sur>adalp<mode>): ... This. Make more
15666 (<sur>sadv16qi): Adjust callsite of the above.
15667 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
15669 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
15671 (vpadal_s16): Likewise.
15672 (vpadal_u8): Likewise.
15673 (vpadal_u16): Likewise.
15674 (vpadalq_s8): Likewise.
15675 (vpadalq_s16): Likewise.
15676 (vpadalq_s32): Likewise.
15677 (vpadalq_u8): Likewise.
15678 (vpadalq_u16): Likewise.
15679 (vpadalq_u32): Likewise.
15681 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15683 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
15685 (aarch64_<su>abd<mode>): ... This.
15686 (<sur>sadv16qi): Adjust callsite of the above.
15687 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
15689 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
15691 (vabd_s16): Likewise.
15692 (vabd_s32): Likewise.
15693 (vabd_u8): Likewise.
15694 (vabd_u16): Likewise.
15695 (vabd_u32): Likewise.
15696 (vabdq_s8): Likewise.
15697 (vabdq_s16): Likewise.
15698 (vabdq_s32): Likewise.
15699 (vabdq_u8): Likewise.
15700 (vabdq_u16): Likewise.
15701 (vabdq_u32): Likewise.
15703 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15705 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
15707 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
15708 (vaba_s16): Likewise.
15709 (vaba_s32): Likewise.
15710 (vaba_u8): Likewise.
15711 (vaba_u16): Likewise.
15712 (vaba_u32): Likewise.
15713 (vabaq_s8): Likewise.
15714 (vabaq_s16): Likewise.
15715 (vabaq_s32): Likewise.
15716 (vabaq_u8): Likewise.
15717 (vabaq_u16): Likewise.
15718 (vabaq_u32): Likewise.
15720 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15722 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
15723 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
15724 Change RTL pattern to match.
15726 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
15728 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
15729 * config/riscv/riscv-c.c (riscv-subset.h): New.
15730 (INCLUDE_STRING): Define.
15731 (riscv_cpu_cpp_builtins): Add new style architecture extension
15733 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
15734 (riscv_subset_list::end): New.
15735 (riscv_current_subset_list): New.
15737 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
15739 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
15740 Move to riscv-subset.h.
15741 (struct riscv_subset_t): Ditto.
15742 (class riscv_subset_list): Ditto.
15743 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
15744 from riscv-common.c.
15745 (struct riscv_subset_t): Ditto.
15746 (class riscv_subset_list): Ditto.
15747 * config/riscv/t-riscv ($(common_out_file)): Add file
15750 2021-01-07 Jakub Jelinek <jakub@redhat.com>
15753 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
15754 New define_insn patterns.
15756 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15758 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
15759 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
15760 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
15762 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15764 PR tree-optimization/98560
15765 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
15766 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
15768 (vec_cond_direct): Likewise argument 2.
15769 (vec_condu_direct, vec_condeq_direct): Delete.
15770 (expand_vect_cond_optab_fn): Rename to...
15771 (expand_vec_cond_optab_fn): ...this, replacing old macro.
15772 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
15773 (expand_vect_cond_mask_optab_fn): Rename to...
15774 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
15775 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
15777 (direct_vec_cond_optab_supported_p): Likewise.
15778 (direct_vec_condu_optab_supported_p): Delete.
15779 (direct_vec_condeq_optab_supported_p): Delete.
15780 * gimple-isel.cc: Include internal-fn.h.
15781 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
15784 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15786 PR tree-optimization/98560
15787 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
15788 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
15790 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
15792 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
15793 rotate_insn and optab code attributes.
15794 Update all uses to merged code attribute.
15795 * config/i386/sse.md: Update all uses to merged code attribute.
15796 * config/i386/mmx.md: Update all uses to merged code attribute.
15798 2021-01-07 Jakub Jelinek <jakub@redhat.com>
15800 PR tree-optimization/98568
15801 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
15802 (bswap_replace): Use it.
15804 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
15806 PR rtl-optimization/97978
15807 * lra-int.h (lra_hard_reg_split_p): New external.
15808 * lra.c (lra_hard_reg_split_p): New global.
15809 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
15810 * lra-assigns.c (lra_assign): Don't check allocation correctness
15811 after hard reg splitting.
15813 2021-01-06 Martin Sebor <msebor@redhat.com>
15816 * builtins.c (new_delete_mismatch_p): New overload.
15817 (new_delete_mismatch_p (tree, tree)): Call it.
15819 2021-01-06 Alexandre Oliva <oliva@adacore.com>
15821 * Makefile.in (T_GLIMITS_H): New.
15822 (stmp-int-hdrs): Depend on it, use it.
15823 * config/t-vxworks (T_GLIMITS_H): Override it.
15824 (vxw-glimits.h): New.
15826 2021-01-06 Richard Biener <rguenther@suse.de>
15828 PR tree-optimization/98513
15829 * value-range.cc (intersect_ranges): Compare the upper bounds
15830 for the expected relation.
15832 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
15835 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
15837 * doc/standards.texi (HSAIL): Remove section.
15839 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
15841 * configure: Re-generate.
15843 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15845 * doc/invoke.texi (-std=c++20): Adjust for the publication of
15846 ISO 14882:2020 standard.
15847 * doc/standards.texi: Likewise.
15849 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15851 PR tree-optimization/94802
15852 * expr.h (maybe_optimize_sub_cmp_0): Declare.
15853 * expr.c: Include tree-pretty-print.h and flags.h.
15854 (maybe_optimize_sub_cmp_0): New function.
15855 (do_store_flag): Use it.
15856 * cfgexpand.c (expand_gimple_cond): Likewise.
15858 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15860 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
15861 * rtlanal.c (simple_regno_set): Tweak description to clarify the
15864 2021-01-05 Richard Biener <rguenther@suse.de>
15866 PR tree-optimization/98516
15867 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
15868 lanes when materializing on a VEC_PERM node.
15869 (vectorizable_slp_permutation): Dump the permute properly.
15871 2021-01-05 Richard Biener <rguenther@suse.de>
15873 * tree-vect-slp.c (vect_slp_region): Move debug counter
15874 to cover individual subgraphs.
15876 2021-01-05 Richard Biener <rguenther@suse.de>
15878 PR tree-optimization/98428
15879 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
15880 vector lane extracts for loop vectorization.
15882 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15884 PR tree-optimization/98514
15885 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
15887 (operand_rank): Change type from hash_map<tree, long> to
15888 hash_map<tree, int64_t>.
15889 (phi_rank): Change return type from long to int64_t.
15890 (loop_carried_phi): Change block_rank variable type from long to
15892 (propagate_rank): Change return type, rank parameter type and
15893 op_rank variable type from long to int64_t.
15894 (find_operand_rank): Change return type from long to int64_t
15895 and change slot variable type from long * to int64_t *.
15896 (insert_operand_rank): Change rank parameter type from long to
15898 (get_rank): Change return type and rank variable type from long to
15899 int64_t. Use PRId64 instead of ld to print the rank.
15900 (init_reassoc): Change rank variable type from long to int64_t
15901 and adjust correspondingly bb_rank and operand_rank initialization.
15903 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15905 PR tree-optimization/96928
15906 * tree-ssa-phiopt.c (xor_replacement): New function.
15907 (tree_ssa_phiopt_worker): Call it.
15909 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15911 PR tree-optimization/96930
15912 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
15913 from narrower value which has the same type as 1 << B, perform
15914 the right shift on the narrower value followed by extension.
15916 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15918 PR tree-optimization/96239
15919 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
15921 (get_status_for_store_merging): Don't return BB_INVALID for blocks
15922 with potential bswap optimizable CONSTRUCTORs.
15923 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
15926 2021-01-05 Richard Biener <rguenther@suse.de>
15928 PR tree-optimization/98381
15929 * tree.c (vector_element_bits): Properly compute bool vector
15931 * tree-vect-loop.c (vectorizable_live_operation): Properly
15932 compute the last lane bit offset.
15934 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
15937 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
15938 Clear the top 64 bytes of the input XMM register.
15939 (sse_cvttps2pi): Ditto.
15941 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
15944 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
15946 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
15949 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
15952 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
15954 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
15955 (umaddsidi4_split): Likewise.
15957 2021-01-05 liuhongt <hongtao.liu@intel.com>
15960 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
15961 define_insn_and_split for zero_extend of subreg HI of pmovskb
15963 (*sse2_pmovskb_zexthisi): Add new combine splitters for
15964 zero_extend of not of subreg HI of pmovskb result.
15966 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15969 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
15971 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
15972 convert_memory_address to convert symbolic immediates to ptr_mode
15973 before forcing them to memory.
15975 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15977 PR rtl-optimization/97144
15978 * recog.c (constrain_operands): Initialize matching_operand
15979 for each alternative, rather than only doing it once.
15981 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15983 PR rtl-optimization/98403
15984 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
15985 why we don't remove call clobbers.
15986 (function_info::apply_changes_to_insn): Don't attempt to add
15987 call clobbers here.
15989 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15991 PR tree-optimization/98371
15992 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
15993 (vect_analyze_loop): If an epilogue loop appears to be cheaper
15994 than the main loop, re-analyze it as a main loop before adopting
15997 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
16000 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
16001 * aclocal.m4, configure: Regenerate.
16002 * Makefile.in (NETLIBS): Define.
16003 (BACKEND): Remove $(CODYLIB).
16005 2021-01-05 Jakub Jelinek <jakub@redhat.com>
16007 PR rtl-optimization/98334
16008 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
16009 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
16011 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
16013 * tree-inline.c (expand_call_inline): Restore input_location.
16014 Return result from recursive call.
16016 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
16018 PR tree-optimization/95401
16019 * config/aarch64/aarch64-sve-builtins.cc
16020 (gimple_folder::load_store_cookie): Use bits rather than bytes
16021 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
16022 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
16023 * tree-vect-stmts.c (vectorizable_store): Likewise.
16024 (vectorizable_load): Likewise.
16026 2021-01-04 Richard Biener <rguenther@suse.de>
16028 PR tree-optimization/98308
16029 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
16032 2021-01-04 Jakub Jelinek <jakub@redhat.com>
16034 PR tree-optimization/95771
16035 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
16036 with precision smaller than int's precision and types with precision
16037 twice as large as long long. Formatting fixes.
16039 2021-01-04 Richard Biener <rguenther@suse.de>
16041 PR tree-optimization/98464
16042 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
16043 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
16044 (process_bb): Adjust.
16046 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
16049 * doc/invoke.texi (-fsanitize=address): Fix wording describing
16050 clash with -fsanitize=hwaddress.
16052 2021-01-04 Richard Biener <rguenther@suse.de>
16054 PR tree-optimization/98282
16055 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
16056 invariants as VN_NARY.
16058 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
16061 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
16062 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
16063 to handle zero operands.
16065 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
16067 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
16068 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
16069 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
16072 2021-01-04 Richard Biener <rguenther@suse.de>
16074 PR tree-optimization/98393
16075 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
16076 when hitting the limit.
16078 2021-01-04 Richard Biener <rguenther@suse.de>
16080 PR tree-optimization/98291
16081 * tree-vect-loop.c (vectorizable_reduction): Bypass
16082 associativity check for SLP reductions with VF 1.
16084 2021-01-04 Jakub Jelinek <jakub@redhat.com>
16086 PR tree-optimization/96782
16087 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
16089 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
16091 * collect-utils.c (collect_execute): Check dumppfx.
16092 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
16093 to collect_execute.
16094 (do_link): Add new parameter atsuffix.
16095 (main): Handle -dumpdir option. Skip one argument for
16096 -o, -isystem and -B options.
16097 * gcc.c (make_at_file): New helper function.
16098 (close_at_file): Use it.
16100 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
16102 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
16103 Amend handling for LD64_VERSION fallback defaults.
16105 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
16107 * config.gcc: Compute default version information
16108 from the configured target. Likewise defaults for
16110 * config/darwin10.h: Removed.
16111 * config/darwin12.h: Removed.
16112 * config/darwin9.h: Removed.
16113 * config/rs6000/darwin8.h: Removed.
16115 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
16117 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
16119 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
16121 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
16122 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
16124 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
16126 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
16128 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
16130 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
16132 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
16133 for the Darwin10 unwinder stub from here ...
16134 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
16136 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
16138 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
16139 (ASM_DEBUG_SPEC):Only define if the assembler supports
16141 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
16142 (DARWIN_PREFER_DWARF): Define.
16143 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
16144 (DARWIN_PREFER_DWARF): Likewise
16145 (DSYMUTIL_SPEC): Likewise.
16146 (COLLECT_RUN_DSYMUTIL): Likewise.
16147 (ASM_DEBUG_SPEC): Likewise.
16148 (ASM_DEBUG_OPTION_SPEC): Likewise.
16150 2021-01-02 Jan Hubicka <jh@suse.cz>
16152 * cfg.c (free_block): ggc_free bb.
16154 2021-01-01 Jakub Jelinek <jakub@redhat.com>
16156 * gcc.c (process_command): Update copyright notice dates.
16157 * gcov-dump.c (print_version): Ditto.
16158 * gcov.c (print_version): Ditto.
16159 * gcov-tool.c (print_version): Ditto.
16160 * gengtype.c (create_file): Ditto.
16161 * doc/cpp.texi: Bump @copying's copyright year.
16162 * doc/cppinternals.texi: Ditto.
16163 * doc/gcc.texi: Ditto.
16164 * doc/gccint.texi: Ditto.
16165 * doc/gcov.texi: Ditto.
16166 * doc/install.texi: Ditto.
16167 * doc/invoke.texi: Ditto.
16169 2021-01-01 Jakub Jelinek <jakub@redhat.com>
16171 * ChangeLog-2020: Rotate ChangeLog. New file.
16174 Copyright (C) 2021 Free Software Foundation, Inc.
16176 Copying and distribution of this file, with or without modification,
16177 are permitted in any medium without royalty provided the copyright
16178 notice and this notice are preserved.