1 2021-07-16 David Malcolm <dmalcolm@redhat.com>
3 * doc/analyzer.texi: Add __analyzer_dump_state.
5 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
7 * config/rs6000/rbtree.c: New file.
8 * config/rs6000/rbtree.h: New file.
10 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
12 * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
13 (typeinfo): Add restr field.
14 (match_bracketed_pair): New function.
15 (match_const_restriction): Implement.
17 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
19 * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
21 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
23 * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
26 (handle_pointer): New function.
27 (match_basetype): New stub function.
28 (match_const_restriction): Likewise.
29 (match_type): New function.
31 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
33 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
35 (advance_line): Likewise.
36 (safe_inc_pos): Likewise.
37 (match_identifier): Likewise.
38 (match_integer): Likewise.
39 (match_to_right_bracket): Likewise.
41 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
43 * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
44 (ovld_file): Likewise.
45 (header_file): Likewise.
46 (init_file): Likewise.
47 (defines_file): Likewise.
50 (ovld_path): Likewise.
51 (header_path): Likewise.
52 (init_path): Likewise.
53 (defines_path): Likewise.
55 (linebuf): New variable.
59 (bif_diag): New function.
60 (ovld_diag): Likewise.
62 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
64 * config/rs6000/rs6000-builtin-new.def: New.
65 * config/rs6000/rs6000-overload.def: New.
67 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
69 * config/rs6000/rs6000-gen-builtins.c: New.
71 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
73 * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
74 (s-gtype): Depend on EXTRA_GTYPE_DEPS.
75 * gengtype-state.c (state_writer::write_state_file_list): Add a
76 parameter to the fileslist expression for the number of build
78 (read_state_files_list): Detect build headers and strip the
79 initial "./" or ".\" from their names.
80 * gengtype.c (build_headers): New global variable.
81 (num_build_headers): Likewise.
82 (open_base_files): Emit #include for each build header.
83 (main): Detect and count build headers.
84 * gengtype.h (build_headers): New extern variable.
85 (num_build_headers): Likewise.
87 2021-07-16 Richard Biener <rguenther@suse.de>
89 * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
91 (find_bswap_or_nop_1): Likewise.
92 (find_bswap_or_nop): Likewise.
93 * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
95 * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
96 Remove unused parameters, pass in the scalar type. Fix
97 internal store function handling.
98 * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
99 (vect_get_vector_types_for_stmt): Move down check for
100 existing vector stmt after we've determined a scalar type.
101 Pass down the used scalar type to vect_get_smallest_scalar_type.
102 * tree-vect-generic.c (expand_vector_condition): Use
104 (expand_vector_scalar_condition): Likewise.
105 (expand_vector_operations_1): Likewise.
106 * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
107 (vect_recog_dot_prod_pattern): Likewise.
108 (vect_recog_sad_pattern): Likewise.
109 (vect_recog_widen_op_pattern): Likewise.
110 (vect_recog_widen_sum_pattern): Likewise.
111 (vect_recog_mixed_size_cond_pattern): Likewise.
113 2021-07-16 Jan Hubicka <hubicka@ucw.cz>
115 * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
116 (dump_eaf_flags): Dump EAF_NOT_RETURNED
117 (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
118 and EAF_NOT_RETURNED.
119 (modref_summary::useful_p): Likewise.
120 (modref_summary_lto::useful_p): Likewise.
121 (struct) modref_summary_lto: Use eaf_fleags_t.
122 (deref_flags): Handle EAF_NOT_RETURNED.
123 (struct escape_point): Use min_flags.
124 (modref_lattice::init): Add EAF_NOT_RETURNED.
125 (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
126 (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
128 (analyze_parms): Also analyze const functions; update conition on
130 (modref_write): Update streaming.
131 (read_section): Update streaming.
132 (remap_arg_flags): Use eaf_flags_t.
133 (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
134 * ipa-modref.h: (eaf_flags_t): New typedef.
135 (struct modref_summary): Use eaf_flags_t.
136 * tree-core.h (EAF_NOT_RETURNED): New constant.
138 2021-07-16 Richard Biener <rguenther@suse.de>
140 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
142 (gimple_assign_nonnegative_warnv_p): Likewise.
143 (gimple_call_nonnegative_warnv_p): Likewise. Return false
144 if the call has no LHS.
145 * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
146 * tree-eh.c (stmt_could_throw_1_p): Likewise.
147 * tree-inline.c (insert_init_stmt): Likewise.
148 * tree-ssa-loop-niter.c (get_val_for): Likewise.
149 * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
151 * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
152 gassign *. Use the type of the lhs.
153 (vn_nary_op_lookup_stmt): Adjust.
154 (vn_nary_op_insert_stmt): Likewise.
156 2021-07-16 Ilya Leoshkevich <iii@linux.ibm.com>
158 * config/s390/predicates.md (bras_sym_operand): Accept all
159 functions in 64-bit mode, use UNSPEC_PLT31.
160 (larl_operand): Use UNSPEC_PLT31.
161 * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
162 (legitimize_pic_address): Likewise.
163 (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
165 (s390_delegitimize_address): Use UNSPEC_PLT31.
166 (s390_output_addr_const_extra): Likewise.
167 (print_operand): Add @PLT to TLS calls, handle %K.
168 (s390_function_profiler): Mark __fentry__/_mcount as function,
169 use %K, use UNSPEC_PLT31.
170 (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
171 (s390_emit_call): Use UNSPEC_PLT31.
172 (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
173 * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
175 (reload_base_64): Likewise.
176 (*sibcall_brc): Likewise.
177 (*sibcall_brcl): Likewise.
178 (*sibcall_value_brc): Likewise.
179 (*sibcall_value_brcl): Likewise.
183 (*brasl_r): Likewise.
184 (*bras_tls): Likewise.
185 (*brasl_tls): Likewise.
186 (main_base_64): Likewise.
187 (reload_base_64): Likewise.
188 (@split_stack_call<mode>): Likewise.
190 2021-07-16 Richard Biener <rguenther@suse.de>
192 PR tree-optimization/101467
193 * tree-vect-stmts.c (vect_gen_while): Properly guard
194 make_temp_ssa_name usage.
196 2021-07-16 Cooper Qu <cooper.qu@linux.alibaba.com>
198 * config.gcc: Don't use forked print-sysroot-suffix.sh and
199 t-sysroot-suffix for C-SKY.
200 * config/csky/print-sysroot-suffix.sh: Delete.
201 * config/csky/t-csky-linux: Delete.
202 * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
203 instead of CSKY_MULTILIB_DIRNAMES.
205 2021-07-16 Richard Biener <rguenther@suse.de>
207 * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
208 conversion issues with the partial reduction of the reused
211 2021-07-16 Richard Biener <rguenther@suse.de>
213 * config/i386/i386-options.c (ix86_option_override_internal): Set
214 param_vect_partial_vector_usage to zero if not set.
216 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
219 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
220 (VALID_INT_MODE_P): Add SDmode and DDmode.
221 Add TDmode for TARGET_64BIT.
222 (VALID_DFP_MODE_P): Remove.
223 * config/i386/i386.c (ix86_hard_regno_mode_ok):
224 Do not use VALID_DFP_MODE_P.
226 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
228 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
230 (fold_using_range::fold_stmt): Ditto.
231 (fold_using_range::range_of_range_op): Ditto.
232 (fold_using_range::range_of_phi): Ditto.
233 (fold_using_range::range_of_call): Ditto.
234 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
235 (fold_using_range::range_of_builtin_call): Ditto.
236 (fold_using_range::range_of_cond_expr): Ditto.
237 * gimple-range-fold.h (gimple_range_type): New.
239 2021-07-15 Martin Sebor <msebor@redhat.com>
242 * tree-ssa-strlen.c (handle_assign): New function.
243 (maybe_warn_overflow): Add argument.
244 (nonzero_bytes_for_type): New function.
245 (count_nonzero_bytes): Handle more tree types. Call
246 nonzero_bytes_for_tye.
247 (count_nonzero_bytes): Handle types.
248 (handle_store): Handle stores from function calls.
249 (strlen_check_and_optimize_call): Move code to handle_assign. Call
250 it for assignments from function calls.
252 2021-07-15 David Malcolm <dmalcolm@redhat.com>
257 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
259 2021-07-15 David Malcolm <dmalcolm@redhat.com>
261 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
263 2021-07-15 Martin Sebor <msebor@redhat.com>
267 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
268 (operand_compare::verify_hash_value): Same.
269 * tree-core.h (OEP_DECL_NAME): New.
271 2021-07-15 Martin Jambor <mjambor@suse.cz>
273 * profile-count.h (profile_count::value): Change the return type to
275 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
277 * tree-cfg.c (dump_function_to_file): Likewise.
279 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
282 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
283 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
286 2021-07-15 Richard Biener <rguenther@suse.de>
288 * tree-vectorizer.h (vect_gen_while): Match up with
290 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
291 of vect_gen_while_not.
292 (vect_gen_while_not): Adjust.
293 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
295 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
297 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
298 (ranger_cache::range_of_def): Call adjust_range.
299 (ranger_cache::entry_range): Same.
300 * gimple-range-cache.h (non_null_ref::adjust_range): New.
301 * gimple-range.cc (gimple_ranger::range_of_expr): Call
303 (gimple_ranger::range_on_entry): Same.
305 2021-07-15 Tamar Christina <tamar.christina@arm.com>
308 2021-07-14 Tamar Christina <tamar.christina@arm.com>
310 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
312 2021-07-15 Tamar Christina <tamar.christina@arm.com>
315 2021-07-14 Tamar Christina <tamar.christina@arm.com>
317 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
318 (sdot_prod, udot_prod): ...These.
319 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
320 (aarch64_<sur>dot<vsi2qi>): Rename to...
321 (<sur>dot_prod<vsi2qi>): ...This.
322 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
325 2021-07-15 Jakub Jelinek <jakub@redhat.com>
328 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
329 types even if they have non-BLKmode TYPE_MODE.
331 2021-07-15 Richard Biener <rguenther@suse.de>
334 * gcc.c (process_command): Process -gtoggle like process_options
335 would after parsing options.
337 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
339 * cfgexpand.c (expand_asm_loc): Adjust.
340 (expand_asm_stmt): Likewise.
341 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
342 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
343 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
344 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
345 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
346 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
347 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
348 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
349 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
350 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
351 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
352 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
353 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
354 * doc/tm.texi: Regenerate.
355 * target.def: Add location argument to md_asm_adjust.
357 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
359 * tree-diagnostic.c (diagnostic_report_current_function): Use the
360 diagnostic's location, not input_location.
362 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
364 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
366 (expand_asm_stmt): Likewise.
368 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
370 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
371 addressed memory rtx, if any.
372 (rs6000_split_multireg_move): Fix code formatting.
373 Handle MMA build built-ins with operands in adjacent memory locations.
375 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
377 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
380 2021-07-14 Jason Merrill <jason@redhat.com>
382 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
384 2021-07-14 Jason Merrill <jason@redhat.com>
386 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
389 2021-07-14 Tamar Christina <tamar.christina@arm.com>
391 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
392 Remove erroneous line.
394 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
396 * params.opt (param_evrp_mode): Change default.
398 2021-07-14 Tamar Christina <tamar.christina@arm.com>
400 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
401 (sdot_prod, udot_prod): ...These.
402 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
403 (aarch64_<sur>dot<vsi2qi>): Rename to...
404 (<sur>dot_prod<vsi2qi>): ...This.
405 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
408 2021-07-14 Tamar Christina <tamar.christina@arm.com>
410 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
412 2021-07-14 Tamar Christina <tamar.christina@arm.com>
414 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
416 2021-07-14 Tamar Christina <tamar.christina@arm.com>
418 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
420 2021-07-14 Tamar Christina <tamar.christina@arm.com>
422 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
423 (usdot_prod<vsi2qi>): ... This.
424 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
425 (usdot_prod): ...This.
426 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
427 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
429 (@<sur>dot_prod<vsi2qi>): ...This.
430 * config/aarch64/aarch64-sve-builtins-base.cc
431 (svusdot_impl::expand): Use it.
433 2021-07-14 Tamar Christina <tamar.christina@arm.com>
435 * optabs.def (usdot_prod_optab): New.
436 * doc/md.texi: Document it and clarify other dot prod optabs.
437 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
438 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
439 * optabs.c (expand_widen_pattern_expr): Likewise.
440 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
441 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
442 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
444 (vect_widened_op_tree): Optionally ignore
446 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
448 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
451 * config/i386/driver-i386.c (host_detect_local_cpu): Check
452 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
453 Enable UINTR only for 64-bit codegen.
454 * config/i386/i386-options.c
455 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
457 * config/i386/i386.h (ARCH_ARG): New.
458 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
459 "[arch|tune] 64" for 64-bit codegen.
461 2021-07-14 Richard Biener <rguenther@suse.de>
463 PR tree-optimization/101445
464 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
465 of the IV in the correct direction for negative stride
468 2021-07-14 Jakub Jelinek <jakub@redhat.com>
471 * godump.c (godump_str_hash): New type.
472 (godump_container::pot_dummy_types): Use string_hash instead of
473 ptr_hash in the hash_set.
475 2021-07-14 Richard Biener <rguenther@suse.de>
477 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
478 vector types where the old vector type has a multiple of
479 the new vector type elements.
480 (vect_create_partial_epilog): New function, split out from...
481 (vect_create_epilog_for_reduction): ... here.
482 (vect_transform_cycle_phi): Reduce the re-used accumulator
483 to the new vector type.
485 2021-07-14 Alexandre Oliva <oliva@adacore.com>
487 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
488 non-'t'-sized arg check.
490 2021-07-14 Alexandre Oliva <oliva@adacore.com>
492 * tree-cfg.c (cleanup_dead_labels_eh): Update
493 post_landing_pad label upon change of landing pad block's
495 (cleanup_dead_labels): Check that a removed label is not that
498 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
500 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
502 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
503 Add Neon to general purpose register case for zero-extend
505 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
506 case to prevent some cases opting to go through memory.
507 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
508 * rtl.c (rtvec_series_p): Define predicate to determine
509 whether a vector contains a linear series of integers.
510 * rtl.h (rtvec_series_p): Define.
511 * rtlanal.c (vec_series_lowpart_p): Define predicate to
512 determine if a vector selection is equivalent to the low part
514 * rtlanal.h (vec_series_lowpart_p): Define.
515 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
516 Add vec_select -> subreg simplification.
518 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
520 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
521 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
522 _mm_test_mix_ones_zeros): New.
524 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
525 Richard Biener <rguenther@suse.de>
527 * gimple.c (gimple_could_trap_p_1): Make S argument a
528 "const gimple*". Preserve constness in call to
529 gimple_asm_volatile_p.
530 (gimple_could_trap_p): Make S argument a "const gimple*".
531 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
532 Update function prototypes.
534 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
536 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
537 (_loop_vec_info::main_loop_edge): New field.
538 (_loop_vec_info::skip_main_loop_edge): Likewise.
539 (_loop_vec_info::skip_this_loop_edge): Likewise.
540 (_loop_vec_info::reusable_accumulators): Likewise.
541 (_stmt_vec_info::reduc_scalar_results): Likewise.
542 (_stmt_vec_info::reused_accumulator): Likewise.
543 (vect_get_main_loop_result): Declare.
544 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
546 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
547 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
548 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
549 skip_main_loop_edge and skip_this_loop_edge fields.
550 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
551 (vect_emit_reduction_init_stmts): New function.
552 (get_initial_def_for_reduction): Use it.
553 (get_initial_defs_for_reduction): Likewise. Change the vinfo
554 parameter to a loop_vec_info.
555 (vect_create_epilog_for_reduction): Store the scalar results
556 in the reduc_info. If an epilogue loop is reusing an accumulator
557 from the main loop, and if the epilogue loop can also be skipped,
558 try to place the reduction code in the join block. Record
559 accumulators that could potentially be reused by epilogue loops.
560 (vect_transform_cycle_phi): When vectorizing epilogue loops,
561 try to reuse accumulators from the main loop. Record the initial
562 value in reduc_info for non-SLP reductions too.
564 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
566 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
567 adjustment handling. Take the neutral value as an argument,
568 in place of the code argument.
569 (vect_transform_cycle_phi): Update accordingly. Handle the
570 initial values of cond reductions separately from code reductions.
571 Choose the adjustment here rather than in
572 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
574 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
576 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
577 (neutral_op_for_reduction): ...this, providing a more general
579 (vect_create_epilog_for_reduction): Update accordingly.
580 (vectorizable_reduction): Likewise.
581 (vect_transform_cycle_phi): Likewise.
583 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
585 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
586 reduc_info instead of the original stmt_vec_info.
587 (vect_transform_cycle_phi): Update accordingly.
589 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
591 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
592 reduc_info as an additional parameter.
593 (vect_transform_cycle_phi): Update accordingly.
595 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
597 * tree-vectorizer.h: Include tree-ssa-operands.h.
598 (vect_phi_initial_value): New function.
599 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
600 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
601 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
602 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
604 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
606 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
607 the phi results to vectype after creating them. Remove later
608 conversion code that thus becomes redundant.
610 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
612 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
613 the new_phis vector with a reduc_inputs vector. Combine handling
614 of reduction chains and ncopies > 1.
616 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
618 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
619 scalar_results to group_size elements after reducing down from
620 N*group_size elements. Construct an array_slice of the live-out
621 stmts and assert that there is one stmt per scalar result.
623 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
625 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
626 nested_in_vect_loop and use double_reduc everywhere. Remove dead
627 assignment to "loop".
629 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
631 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
632 vector types first. For scalar types, consider both the preferred
633 vector mode and the alternative vector modes.
634 * optabs-query.c (can_vec_mask_load_store_p): Use the same
635 structure as above, in particular using related_vector_mode
636 for modes provided by autovectorize_vector_modes.
638 2021-07-13 Jakub Jelinek <jakub@redhat.com>
639 Richard Biener <rguenther@suse.de>
641 PR tree-optimization/101419
642 * tree-pass.h (PROP_objsz): Define.
643 (make_pass_early_object_sizes): Declare.
644 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
645 there to pass_early_object_sizes, drop parameter.
646 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
647 drop parameter, move pass_post_ipa_warn right after that.
648 * tree-object-size.c (pass_object_sizes::execute): Rename to...
649 (object_sizes_execute): ... this. Add insert_min_max_p argument.
650 (pass_data_object_sizes): Move after object_sizes_execute.
651 (pass_object_sizes): Likewise. In execute method call
652 object_sizes_execute, drop set_pass_param method and insert_min_max_p
653 non-static data member and its initializer in the ctor.
654 (pass_data_early_object_sizes, pass_early_object_sizes,
655 make_pass_early_object_sizes): New.
656 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
657 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
659 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
662 * config/riscv/constraints.md ("S"): Update description and remove
664 * doc/md.texi (Machine Constraints): Document the 'S' constraints
667 2021-07-13 Richard Biener <rguenther@suse.de>
670 2021-07-12 Richard Biener <rguenther@suse.de>
672 * tree-vect-slp.c (vect_slp_region): Show the number of
673 SLP graph entries in the optimization message.
675 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
677 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
679 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
681 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
684 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
686 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
687 Query relation between the 2 operands and use it.
689 2021-07-12 Sergei Trofimovich <siarheit@google.com>
691 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
693 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
696 * config/i386/predicates.md (vec_setm_sse41_operand):
697 Rename from vec_setm_operand.
698 (vec_setm_avx2_operand): New predicate.
699 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
700 Use vec_setm_sse41_operand as operand 2 predicate.
701 (vec_set<V_256_512:mode): New expander.
702 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
703 as operand 2 predicate.
705 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
707 PR tree-optimization/101335
708 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
710 2021-07-12 Andrew Pinski <apinski@marvell.com>
712 * tree-ssa-phiopt.c (match_simplify_replacement): Move
713 insert of the sequence before the movement of the
714 statement. Check if to see if the statement is used
715 outside of the original phi to see if we should move it.
717 2021-07-12 Richard Biener <rguenther@suse.de>
719 * dump-context.h (debug_dump_context::debug_dump_context):
720 Add FILE * parameter defaulted to stderr.
721 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
722 * tree-vect-slp.c (dot_slp_tree): New functions.
724 2021-07-12 Richard Biener <rguenther@suse.de>
726 PR tree-optimization/101373
727 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
728 references when the BB may not return.
729 (compute_avail): Pass in the function we're working on and
730 replace cfun references with it. Externally throwing
731 const calls also possibly terminate the function.
732 (pass_pre::execute): Pass down the function we're working on.
733 * gcse.c (compute_hash_table_work): Externally throwing
734 const/pure calls also need record_last_mem_set_info.
735 * postreload-gcse.c (record_opr_changes): Looping or externally
736 throwing const/pure calls also need record_last_mem_set_info.
738 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
740 * recog.c (memory_address_addr_space_p): Change the type to bool.
741 Return true/false instead of 1/0.
742 (offsettable_memref_p): Ditto.
743 (offsettable_nonstrict_memref_p): Ditto.
744 (offsettable_address_addr_space_p): Ditto.
745 Change the type of addressp indirect function to bool.
746 * recog.h (memory_address_addr_space_p): Change the type to bool.
747 (strict_memory_address_addr_space_p): Ditto.
748 (offsettable_memref_p): Ditto.
749 (offsettable_nonstrict_memref_p): Ditto.
750 (offsettable_address_addr_space_p): Ditto.
751 * reload.c (maybe_memory_address_addr_space_p): Ditto.
752 (strict_memory_address_addr_space_p): Change the type to bool.
753 Return true/false instead of 1/0.
754 (maybe_memory_address_addr_space_p): Change the type to bool.
756 2021-07-12 Richard Biener <rguenther@suse.de>
758 * tree-vect-slp.c (vect_slp_region): Show the number of
759 SLP graph entries in the optimization message.
761 2021-07-12 Richard Biener <rguenther@suse.de>
763 PR tree-optimization/101394
764 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
765 copies from abnormals for a full redundancy.
767 2021-07-12 Richard Biener <rguenther@suse.de>
770 * gimple.c (gimple_could_trap_p_1): Internal function calls
772 * tree-eh.c (tree_could_trap_p): Likewise.
774 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
777 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
779 (vmulq_n_u32): Likewise.
780 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
781 (vmulq_n_f32): Likewise.
782 (vmul_n_f16): Likewise.
783 (vmulq_n_f16): Likewise.
785 2021-07-12 Martin Liska <mliska@suse.cz>
788 * gcc.c (check_offload_target_name): Call
789 candidates_list_and_hint only if we have a candidate.
791 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
794 * config/arm/neon.md (vec_init): Move to ...
795 * config/arm/vec-common.md (vec_init): ... here.
796 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
798 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
800 PR tree-optimization/101403
801 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
802 signedness of the shift is not the same as the signedness of
805 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
806 Uroš Bizjak <ubizjak@gmail.com>
808 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
809 divmod of a constant numerator with new define_insn_and_split.
811 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
814 * config/i386/i386-expand.c (ix86_expand_call): If a call is
815 to a non-local-binding, or local but to a public symbol, then
816 assume that it might be indirected via the lazy symbol binder.
817 Mark R10 and R10 as clobbered in that case.
819 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
822 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
823 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
824 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
826 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
828 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
829 log2 range of operands[3] to [1,31].
830 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
832 2021-07-09 Sergei Trofimovich <siarheit@google.com>
834 * doc/md.texi: Don't split @smallexample in multiple @groups.
836 2021-07-09 Sergei Trofimovich <siarheit@google.com>
838 * doc/md.texi: Add missing 'see' word.
840 2021-07-09 Andrew Pinski <apinski@marvell.com>
842 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
843 to take sequence and gimple_match_op. Accept the case where
844 op is a SSA_NAME and one statement in the sequence.
845 Also allow constants.
846 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
847 Update call to phiopt_early_allow. Discard the sequence if not
850 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
855 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
856 instead of ISA_HAS_MSA.
857 (mips_expand_vec_unpack): Likewise.
858 (mips_expand_vector_init): Likewise.
860 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
862 * config/rs6000/vsx.md (mods_<mode>): Rename to...
863 (mod<mode>3): ... this.
864 (modu_<mode>): Rename to...
865 (umod<mode>3): ... this.
866 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
869 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
871 * config/h8300/shiftrotate.md (variable shifts): Expose condition
872 code handling for the test before the loop.
874 2021-07-08 Martin Jambor <mjambor@suse.cz>
877 * ipa-sra.c (class isra_call_summary): New member
878 m_before_any_store, initialize it in the constructor.
879 (isra_call_summary::dump): Dump the new field.
880 (ipa_sra_call_summaries::duplicate): Copy it.
881 (process_scan_results): Set it.
882 (isra_write_edge_summary): Stream it.
883 (isra_read_edge_summary): Likewise.
884 (param_splitting_across_edge): Only override
885 safe_to_import_accesses if m_before_any_store is set.
887 2021-07-08 Martin Sebor <msebor@redhat.com>
890 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
891 Use Object Size Type 0 instead of 1.
893 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
895 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
898 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
900 * match.pd: Simplify an extend-operate-truncate sequence involving
903 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
904 Richard Biener <rguenther@suse.de>
906 PR tree-optimization/40210
907 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
908 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
909 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
911 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
914 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
916 * config/i386/mmx.md (V_32): New mode iterator.
917 (mov<V_32:mode>): Use V_32 mode iterator.
918 (*mov<V_32:mode>_internal): Ditto.
919 (*push<V_32:mode>2_rex64): Ditto.
920 (*push<V_32:mode>2): Ditto.
921 (movmisalign<V_32:mode>): Ditto.
922 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
923 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
924 (vec_unpacks_lo_v4qi): New expander.
925 (vec_unpacks_hi_v4qi): Ditto.
926 (vec_unpacku_lo_v4qi): Ditto.
927 (vec_unpacku_hi_v4qi): Ditto.
928 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
929 (VALID_INT_MODE_P): Ditto.
931 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
934 * config/rs6000/rs6000.md (udivti3): New insn.
939 2021-07-07 Martin Sebor <msebor@redhat.com>
941 PR tree-optimization/100137
942 PR tree-optimization/99121
943 PR tree-optimization/97027
944 * builtins.c (access_ref::access_ref): Also set offmax.
945 (access_ref::offset_in_range): Define new function.
946 (access_ref::add_offset): Set offmax.
947 (access_ref::inform_access): Handle access_none.
948 (handle_mem_ref): Clear ostype.
949 (compute_objsize_r): Handle ASSERT_EXPR.
950 * builtins.h (struct access_ref): Add offmax member.
951 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
952 compute_objsize() and simplify.
954 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
956 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
957 and VSX_BUILTIN_STXVP.
959 2021-07-07 Martin Sebor <msebor@redhat.com>
962 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
963 a stray %K from error_at() missed in r12-2088.
965 2021-07-07 Richard Biener <rguenther@suse.de>
967 PR tree-optimization/99728
968 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
970 (mem_refs_may_alias_p): Add assert we handled aggregate
972 (sm_seq_valid_bb): Give up when running into aggregate copies.
973 (ref_indep_loop_p): Handle aggregate copies as never
974 being invariant themselves but allow other refs to be
975 disambiguated against them.
976 (can_sm_ref_p): Do not try to apply store-motion to aggregate
979 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
982 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
985 2021-07-06 Martin Sebor <msebor@redhat.com>
987 * gimple-pretty-print.c (percent_G_format): Remove.
988 * tree-diagnostic.c (default_tree_printer): Remove calls.
989 * tree-pretty-print.c (percent_K_format): Remove.
990 * tree-pretty-print.h (percent_K_format): Remove.
992 2021-07-06 Martin Sebor <msebor@redhat.com>
994 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
995 Remove %K and use error_at.
996 (aarch64_expand_fcmla_builtin): Same.
997 (aarch64_expand_builtin_tme): Same.
998 (aarch64_expand_builtin_memtag): Same.
999 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
1000 (arm_expand_builtin): Same.
1001 * config/arm/arm.c (bounds_check): Same.
1003 2021-07-06 Martin Sebor <msebor@redhat.com>
1005 * builtins.c (warn_string_no_nul): Remove %G.
1006 (maybe_warn_for_bound): Same.
1007 (warn_for_access): Same.
1008 (check_access): Same.
1009 (check_strncat_sizes): Same.
1010 (expand_builtin_strncat): Same.
1011 (expand_builtin_strncmp): Same.
1012 (expand_builtin): Same.
1013 (expand_builtin_object_size): Same.
1014 (warn_dealloc_offset): Same.
1015 (maybe_emit_free_warning): Same.
1016 * calls.c (maybe_warn_alloc_args_overflow): Same.
1017 (maybe_warn_nonstring_arg): Same.
1018 (maybe_warn_rdwr_sizes): Same.
1019 * expr.c (expand_expr_real_1): Remove %K.
1020 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
1021 (gimple_fold_builtin_strncat): Same.
1022 * gimple-ssa-sprintf.c (format_directive): Same.
1023 (handle_printf_call): Same.
1024 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
1025 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
1026 (maybe_diag_access_bounds): Same. Call gimple_location.
1027 (check_bounds_or_overlap): Same.
1028 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
1029 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
1030 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
1031 (maybe_diag_stxncpy_trunc): Same.
1032 (handle_builtin_stxncpy_strncat): Same.
1033 (maybe_warn_pointless_strcmp): Same.
1034 * tree-ssa-uninit.c (maybe_warn_operand): Same.
1036 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
1039 * config/i386/predicates.md (vec_setm_operand): Enable
1040 register_operand for TARGET_SSE4_1.
1041 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
1042 as operand 2 predicate. Call ix86_expand_vector_set_var
1043 for non-constant index operand.
1044 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
1045 Call ix86_expand_vector_set_var for non-constant index operand.
1047 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
1049 * config/h8300/jumpcall.md (*branch): When possible, generate
1050 the comparison in CCZN mode.
1051 * config/h8300/predicates.md (simple_memory_operand): Reject all
1052 auto-increment addressing modes.
1054 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
1057 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
1060 2021-07-06 Richard Biener <rguenther@suse.de>
1062 * doc/md.texi (vec_fmaddsub<mode>4): Document.
1063 (vec_fmsubadd<mode>4): Likewise.
1064 * optabs.def (vec_fmaddsub$a4): Add.
1065 (vec_fmsubadd$a4): Likewise.
1066 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
1067 (IFN_VEC_FMSUBADD): Likewise.
1068 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
1069 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
1070 (addsub_pattern::build): Likewise.
1071 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
1072 and CFN_VEC_FMSUBADD are not transparent for permutes.
1073 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
1074 (vec_fmsubadd<mode>4): Likewise.
1076 2021-07-06 Richard Biener <rguenther@suse.de>
1078 * doc/invoke.texi (fmove-loop-stores): Document.
1079 * common.opt (fmove-loop-stores): New option.
1080 * opts.c (default_options_table): Enable -fmove-loop-stores
1082 * tree-ssa-loop-im.c (pass_lim::execute): Pass
1083 flag_move_loop_stores instead of true to
1084 loop_invariant_motion_in_fun.
1086 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
1088 * doc/install.texi: Document --with-dsymutil.
1090 2021-07-06 Andrew Pinski <apinski@marvell.com>
1092 PR tree-optimization/101256
1093 * dbgcnt.def (phiopt_edge_range): New counter.
1094 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
1095 Check to make sure the new name is defined in the same
1096 bb as the conditional before duplicating range info.
1097 Also add debug counter.
1099 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
1101 PR rtl-optimization/100328
1102 * config/i386/i386-options.c (ix86_option_override_internal):
1103 Set param_ira_consider_dup_in_all_alts to 0.
1105 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
1107 PR rtl-optimization/100328
1108 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
1110 * ira.c (ira_get_dup_out_num): Adjust as parameter
1111 param_ira_consider_dup_in_all_alts.
1112 * params.opt (ira-consider-dup-in-all-alts): New.
1113 * ira-conflicts.c (process_regs_for_copy): Add one parameter
1114 single_input_op_has_cstr_p.
1115 (get_freq_for_shuffle_copy): New function.
1116 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
1117 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
1119 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
1121 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
1122 generate condition code aware RTL directly.
1124 2021-07-05 Andrew Pinski <apinski@marvell.com>
1126 PR tree-optimization/101039
1127 * match.pd (A CMP 0 ? A : -A): New patterns.
1128 * tree-ssa-phiopt.c (abs_replacement): Delete function.
1129 (tree_ssa_phiopt_worker): Don't call abs_replacement.
1130 Update comment about abs_replacement.
1132 2021-07-05 Andrew Pinski <apinski@marvell.com>
1134 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
1135 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
1137 2021-07-05 Andrew Pinski <apinski@marvell.com>
1139 * tree-ssa-phiopt.c (match_simplify_replacement):
1140 Add early_p argument. Call gimple_simplify_phiopt
1141 instead of gimple_simplify.
1142 (tree_ssa_phiopt_worker): Update call to
1143 match_simplify_replacement and allow unconditionally.
1144 (phiopt_early_allow): New function.
1145 (gimple_simplify_phiopt): New function.
1147 2021-07-05 Andrew Pinski <apinski@marvell.com>
1149 PR middle-end/101237
1150 * fold-const.c (negate_expr_p): Remove call to element_mode
1151 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
1152 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
1153 (fold_negate_expr_1): Likewise.
1154 (const_unop): Likewise.
1155 (fold_cond_expr_with_comparison): Likewise.
1156 (fold_binary_loc): Likewise.
1157 (fold_ternary_loc): Likewise.
1158 (tree_call_nonnegative_warnv_p): Likewise.
1159 * match.pd (-(A + B) -> (-B) - A): Likewise.
1161 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
1163 * configure.ac: Handle --with-dsymutil in the same way as we
1164 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
1165 Extract the type and version for the dsymutil configured or
1166 found by the default searches.
1167 * config.in: Regenerated.
1168 * configure: Regenerated.
1169 * collect2.c (do_dsymutil): Handle locating dsymutil in the
1170 same way as for the assembler and linker.
1171 * config/darwin.h (DSYMUTIL): Delete.
1172 * gcc.c: Report a configured dsymutil correctly.
1173 * exec-tool.in: Allow for dsymutil.
1175 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
1177 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
1178 Handle V4QI and V2HI modes.
1179 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
1180 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
1181 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
1182 Handle 4-byte dual operands with TARGET_XOP and single operands
1183 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
1184 mmx_pshufbv4qi3 for TARGET_SSSE3.
1185 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
1186 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
1187 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
1188 (expand_vec_perm_even_odd_1): Handle V4QI mode.
1189 (expand_vec_perm_broadcast_1): Handle V4QI mode.
1190 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
1191 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
1192 (mmx_pshufbv4qi3): Ditto.
1193 (*mmx_pblendw32): Ditto.
1194 (*mmx_pblendw64): Rename from *mmx_pblendw.
1195 (mmx_punpckhbw_low): New insn_and_split pattern.
1196 (mmx_punpcklbw_low): Ditto.
1198 2021-07-05 Richard Biener <rguenther@suse.de>
1200 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
1201 set LOOP_C_INFINITE on the vectorized loop.
1203 2021-07-05 Richard Biener <rguenther@suse.de>
1205 PR middle-end/101291
1206 * cfgloopmanip.c (loop_version): Set the loop copy of the
1207 versioned loop to the new loop.
1209 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
1212 * config.gcc: Ensure that Darwin biarch definitions are
1213 added before i386.h.
1214 * config/i386/darwin.h (TARGET_64BIT): Remove.
1215 (PR80556_WORKAROUND): New.
1216 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
1217 (DARWIN_SUBARCH_SPEC): New.
1218 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
1219 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
1220 (REAL_LIBGCC_SPEC): Remove.
1221 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
1222 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
1223 (REAL_LIBGCC_SPEC): Remove.
1225 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
1227 PR middle-end/101294
1228 * expr.c (store_constructor): Don't use vec_duplicate on vector.
1230 2021-07-02 Martin Sebor <msebor@redhat.com>
1234 * diagnostic.c (get_any_inlining_info): New.
1235 (update_effective_level_from_pragmas): Handle inlining context.
1236 (diagnostic_enabled): Same.
1237 (diagnostic_report_diagnostic): Same.
1238 * diagnostic.h (struct diagnostic_info): Add ctor.
1239 (struct diagnostic_context): Add new member.
1240 * tree-diagnostic.c (set_inlining_locations): New.
1241 (tree_diagnostics_defaults): Set new callback pointer.
1243 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
1245 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
1247 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
1248 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
1249 lxvp and stxvp built-ins.
1250 (mma_init_builtins): Handle lxvp and stxvp built-ins.
1251 (builtin_function_type): Likewise.
1252 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
1254 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1256 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
1257 additional argument for the code.
1258 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
1259 argument for the code. Just return if the ZN bits are useful or
1260 not rather than the old style CC_* enums.
1261 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
1262 more generic shiftqi patterns.
1263 (shifthi_noscratch, shiftsi_noscratch): Similarly.
1264 (shiftqi_noscratch_set_flags): New pattern.
1265 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
1267 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
1269 PR tree-optimization/101223
1270 * range-op.cc (build_lt): Add -1 for signed values.
1271 (built_gt): Subtract -1 for signed values.
1273 2021-07-02 David Faust <david.faust@oracle.com>
1275 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
1276 (btf_asm_type): Likewise.
1278 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1280 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
1281 an array of rtx rather than a pointer to rtx. Add code argument.
1282 (compute_a_shift_length): Similarly.
1283 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
1284 shift itself isn't an operand. Create dummy operand[0] to carry
1285 a mode and pass a suitable rtx code to compute_a_shift_length.
1286 (get_shift_alg): Adjust operand number of clobber in output templates.
1287 (output_a_shift): Make first argument an array of rtx rather than
1288 a pointer to rtx. Add code argument for the type of shift.
1289 Adjust now that the shift itself is no longer an operand.
1290 (compute_a_shift_length): Similarly.
1291 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
1292 iterator rather than nshift_operator.
1293 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
1294 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
1295 and compute_a_shift_length.
1296 (shiftqi_noscratch_clobber_flags): Likewise.
1297 (shifthi_noscratch_clobber_flags): Likewise.
1298 (shiftsi_noscratch_clobber_flags): Likewise.
1300 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
1303 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
1304 dsymutil for BTF/CTF.
1306 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
1309 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
1310 segment to include BTF.
1311 (BTF_INFO_SECTION_NAME): New.
1313 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1315 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
1316 (small_data_operand, memreg_operand, small_insn_p): Likewise.
1317 * config/m32r/m32r.c (call_operand): Adjust return type.
1318 (small_data_operand, memreg_operand): Likewise.
1320 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1322 * config/frv/frv-protos.h (integer_register_operand): Adjust return
1324 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
1325 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
1326 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
1327 (move_source_operand, move_destination_operand): Likewise.
1328 (condexec_source_operand, condexec_dest_operand): Likewise.
1329 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
1330 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
1331 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
1332 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
1333 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
1334 (even_fpr_operand, odd_fpr_operand): Likewise.
1335 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
1336 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
1337 (uint4_operand, uint1_operand, int_2word_operand): Likewise
1338 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
1339 (relational_operator, float_relational_operator): Likewise.
1340 (ccr_eqne_operator, minmax_operator): Likewise.
1341 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
1342 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
1343 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
1344 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
1345 (quad_acc_operand, accg_operand): Likewise.
1347 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1349 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
1350 return type to a bool.
1351 (nonimmediate_nonstack_operand): Likewise.
1352 (xstormy16_splittable_below100_operand): Likewise.
1353 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
1355 (xstormy16_splittable_below100_operand): Likewise.
1357 2021-07-02 Richard Biener <rguenther@suse.de>
1359 PR tree-optimization/101293
1360 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
1361 with combined offsets.
1362 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
1363 combined with the rest of the offset.
1365 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
1367 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
1368 PIC encodings for PE-COFF targets.
1370 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1373 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
1374 Return nullptr for TImode inner mode.
1376 2021-07-02 Richard Biener <rguenther@suse.de>
1378 PR tree-optimization/101280
1379 PR tree-optimization/101173
1380 * gimple-loop-interchange.cc
1381 (tree_loop_interchange::valid_data_dependences): Properly
1382 guard all dependence checks with DDR_REVERSED_P or its
1385 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
1387 * config/i386/i386-expand.c (ix86_expand_builtin):
1388 Add branch to clear odata when ZF is set for asedecenc_expand
1389 and wideaesdecenc_expand.
1391 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
1393 * config/i386/gcc-auto-profile: regenerate
1395 2021-07-02 liuhongt <hongtao.liu@intel.com>
1397 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
1398 (trunc<mode><pmov_dst_4_lower>2): this.
1400 2021-07-01 David Malcolm <dmalcolm@redhat.com>
1402 * diagnostic.h (diagnostic_context::m_file_cache): New field.
1403 * input.c (class fcache): Rename to...
1404 (class file_cache_slot): ...this, making most members private and
1405 prefixing fields with "m_".
1406 (file_cache_slot::get_file_path): New accessor.
1407 (file_cache_slot::get_use_count): New accessor.
1408 (file_cache_slot::missing_trailing_newline_p): New accessor.
1409 (file_cache_slot::inc_use_count): New.
1410 (fcache_buffer_size): Move to...
1411 (file_cache_slot::buffer_size): ...here.
1412 (fcache_line_record_size): Move to...
1413 (file_cache_slot::line_record_size): ...here.
1414 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
1415 (fcache_tab_size): Move to file_cache::num_file_slots.
1416 (diagnostic_file_cache_init): Update for move of fcache_tab
1417 to global_dc->m_file_cache.
1418 (diagnostic_file_cache_fini): Likewise.
1419 (lookup_file_in_cache_tab): Convert to...
1420 (file_cache::lookup_file): ...this.
1421 (diagnostics_file_cache_forcibly_evict_file): Update for move of
1422 fcache_tab to global_dc->m_file_cache, moving most of
1423 implementation to...
1424 (file_cache::forcibly_evict_file): ...this new function and...
1425 (file_cache_slot::evict): ...this new function.
1426 (evicted_cache_tab_entry): Convert to...
1427 (file_cache::evicted_cache_tab_entry): ...this.
1428 (add_file_to_cache_tab): Convert to...
1429 (file_cache::add_file): ...this, moving bulk of implementation
1431 (file_cache_slot::create): ..this new function.
1432 (file_cache::file_cache): New.
1433 (file_cache::~file_cache): New.
1434 (lookup_or_add_file_to_cache_tab): Convert to...
1435 (file_cache::lookup_or_add_file): ..this new function.
1436 (fcache::fcache): Rename to...
1437 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
1439 (fcache::~fcache): Rename to...
1440 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
1442 (needs_read): Convert to...
1443 (file_cache_slot::needs_read_p): ...this.
1444 (needs_grow): Convert to...
1445 (file_cache_slot::needs_grow_p): ...this.
1446 (maybe_grow): Convert to...
1447 (file_cache_slot::maybe_grow): ...this.
1448 (read_data): Convert to...
1449 (file_cache_slot::read_data): ...this.
1450 (maybe_read_data): Convert to...
1451 (file_cache_slot::maybe_read_data): ...this.
1452 (get_next_line): Convert to...
1453 (file_cache_slot::get_next_line): ...this.
1454 (goto_next_line): Convert to...
1455 (file_cache_slot::goto_next_line): ...this.
1456 (read_line_num): Convert to...
1457 (file_cache_slot::read_line_num): ...this.
1458 (location_get_source_line): Update for moving of globals to
1459 global_dc->m_file_cache.
1460 (location_missing_trailing_newline): Likewise.
1461 * input.h (class file_cache_slot): New forward decl.
1462 (class file_cache): New.
1464 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
1466 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
1467 128-bit floating point conditional move support.
1468 (have_compare_and_set_mask): Add IEEE 128-bit floating point
1470 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
1471 (mov<mode>cc_p10, IEEE128 iterator): New insn.
1472 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
1473 (fpmask<mode>, IEEE128 iterator): New insn.
1474 (xxsel<mode>, IEEE128 iterator): New insn.
1476 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
1479 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
1481 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
1483 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
1485 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
1487 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
1488 (vec_duplicate<mode>): New expander.
1490 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
1493 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
1495 (ix86_byte_broadcast): New function.
1496 (ix86_convert_const_wide_int_to_broadcast): Likewise.
1497 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
1498 size is 16 bytes or bigger.
1499 (ix86_broadcast_from_integer_constant): New function.
1500 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
1501 to broadcast if mode size is 16 bytes or bigger.
1502 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
1504 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
1506 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1508 * config/i386/predicates.md (ix86_endbr_immediate_operand):
1509 Return true/false instead of 1/0.
1510 (movq_parallel): Ditto.
1512 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1514 * recog.c (general_operand): Return true/false instead of 1/0.
1515 (register_operand): Ditto.
1516 (immediate_operand): Ditto.
1517 (const_int_operand): Ditto.
1518 (const_scalar_int_operand): Ditto.
1519 (const_double_operand): Ditto.
1520 (push_operand): Ditto.
1521 (pop_operand): Ditto.
1522 (memory_operand): Ditto.
1523 (indirect_operand): Ditto.
1525 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1527 * genpreds.c (write_predicate_subfunction):
1528 Change the type of written subfunction to bool.
1529 (write_one_predicate_function):
1530 Change the type of written function to bool.
1531 (write_tm_preds_h): Ditto.
1532 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
1533 * recog.c (general_operand): Change the type to bool.
1534 (address_operand): Ditto.
1535 (register_operand): Ditto.
1536 (pmode_register_operand): Ditto.
1537 (scratch_operand): Ditto.
1538 (immediate_operand): Ditto.
1539 (const_int_operand): Ditto.
1540 (const_scalar_int_operand): Ditto.
1541 (const_double_operand): Ditto.
1542 (nonimmediate_operand): Ditto.
1543 (nonmemory_operand): Ditto.
1544 (push_operand): Ditto.
1545 (pop_operand): Ditto.
1546 (memory_operand): Ditto.
1547 (indirect_operand): Ditto.
1548 (ordered_comparison_operator): Ditto.
1549 (comparison_operator): Ditto.
1550 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
1551 Change the type of indirect predicate function to bool.
1552 * config/rs6000/rs6000.c (easy_vector_constant):
1553 Change the type to bool.
1554 * config/mips/mips-protos.h (m16_based_address_p):
1555 Change the type of operand 3 to bool.
1557 2021-07-01 Richard Biener <rguenther@suse.de>
1559 PR tree-optimization/101280
1560 PR tree-optimization/101173
1561 * gimple-loop-interchange.cc
1562 (tree_loop_interchange::valid_data_dependences): Revert
1563 previous change and instead correctly handle DDR_REVERSED_P
1566 2021-07-01 Richard Biener <rguenther@suse.de>
1568 PR tree-optimization/101278
1569 * tree-ssa-dse.c (dse_classify_store): First check for
1570 uses, then ignore stmt for chaining purposes.
1572 2021-07-01 Richard Biener <rguenther@suse.de>
1574 PR tree-optimization/100778
1575 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
1576 vectorized ops ahead of their scalar BB.
1578 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1581 * config/i386/i386.md (*nabs<dwi>2_doubleword):
1582 New insn_and_split pattern.
1583 (*nabs<dwi>2_1): Ditto.
1584 * config/i386/i386-features.c
1585 (general_scalar_chain::compute_convert_gain):
1586 Handle (NEG (ABS (...))) RTX. Rewrite src code
1587 scanner as switch statement.
1588 (general_scalar_chain::convert_insn):
1589 Handle (NEG (ABS (...))) RTX.
1590 (general_scalar_to_vector_candidate_p):
1591 Detect (NEG (ABS (...))) RTX. Reorder case statements
1592 for (AND (NOT (...) ...)) fallthrough.
1594 2021-07-01 Richard Biener <rguenther@suse.de>
1596 PR tree-optimization/101178
1597 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
1598 (slpg::perm_in): Add.
1599 (slpg::get_perm_in): Remove.
1600 (slpg::get_perm_materialized): Add.
1601 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
1602 during permute propagation and materialization.
1604 2021-07-01 Jakub Jelinek <jakub@redhat.com>
1607 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
1609 2021-07-01 Jakub Jelinek <jakub@redhat.com>
1612 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
1613 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
1614 use boolean_type_node instead of integer_type_node as NE_EXPR type.
1615 (lower_reduction_clauses): Likewise.
1617 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1619 * config/gcn/gcn.c: Include dwarf2.h.
1620 (gcn_addr_space_debug): New function.
1621 (TARGET_ADDR_SPACE_DEBUG): New hook.
1623 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1625 * common/config/gcn/gcn-common.c
1626 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
1627 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
1629 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
1630 (gcn_frame_pointer_rqd): New function.
1631 (TARGET_FRAME_POINTER_REQUIRED): New hook.
1633 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1635 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
1636 prologue register saves.
1637 (gcn_debug_unwind_info): Use UI_DWARF2.
1638 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
1639 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
1640 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
1641 (DWARF_LINK_REGISTER): New define.
1642 (FIRST_PSEUDO_REGISTER): Increment.
1643 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
1644 (CALL_USED_REGISTERS): Likewise.
1645 (REGISTER_NAMES): Likewise.
1647 2021-06-30 Richard Biener <rguenther@suse.de>
1649 PR tree-optimization/101267
1650 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
1651 API and use SLP compatible interface of vect_is_simple_use.
1652 Reject not vectorized SLP defs for callers that do not support
1654 (vect_check_store_rhs): Handle masked stores and pass down
1655 the appropriate operator index.
1656 (vectorizable_call): Adjust.
1657 (vectorizable_store): Likewise.
1658 (vectorizable_load): Likewise. Handle SLP pecularity of
1660 (vect_is_simple_use): Remove special-casing of masked stores.
1662 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
1664 * common.opt (foffload): Remove help as Driver only.
1665 * gcc.c (display_help): Add -foffload.
1667 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
1669 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
1670 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
1671 a candidate list; better inform no offload target is configured
1672 and fix hint extraction when passed target is not '\0' at [len].
1673 * common.opt (foffload): Add tailing '.'.
1674 (foffload-options): Likewise; fix flag name in the help string.
1676 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
1679 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
1680 (vcage_f32): Gate comparison on __FAST_MATH__.
1681 (vcageq_f32): Likewise.
1682 (vcale_f32): Likewise.
1683 (vcaleq_f32): Likewise.
1684 (vcagt_f32): Likewise.
1685 (vcagtq_f32): Likewise.
1686 (vcalt_f32): Likewise.
1687 (vcaltq_f32): Likewise.
1688 (vcage_f16): Likewise.
1689 (vcageq_f16): Likewise.
1690 (vcale_f16): Likewise.
1691 (vcaleq_f16): Likewise.
1692 (vcagt_f16): Likewise.
1693 (vcagtq_f16): Likewise.
1694 (vcalt_f16): Likewise.
1695 (vcaltq_f16): Likewise.
1697 2021-06-30 Richard Biener <rguenther@suse.de>
1699 PR tree-optimization/101264
1700 * tree-vect-slp.c (vect_optimize_slp): Propagate the
1701 computed perm_in to all "any" permute successors
1702 we cannot de-duplicate immediately.
1704 2021-06-30 liuhongt <hongtao.liu@intel.com>
1707 * config/i386/sse.md
1708 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
1710 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
1712 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
1713 * config/i386/subst.md (maskz_scalar): New define_subst.
1714 (maskz_scalar_name): New subst_attr.
1715 (maskz_scalar_op5): Ditto.
1716 (round_saeonly_maskz_scalar_op5): Ditto.
1717 (round_saeonly_maskz_scalar_operand5): Ditto.
1719 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
1721 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
1722 Increase code CSECT alignment to at least 32 bytes.
1723 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
1724 alignment designation.
1726 2021-06-29 Sergei Trofimovich <siarheit@google.com>
1728 * doc/generic.texi: Fix s/net yet/not yet/ typo.
1730 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1732 PR tree-optimization/101254
1733 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
1734 wrapping/non-wrapping when setting the result range.
1736 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1738 * value-query.cc (gimple_range_global): Allow phis.
1740 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1742 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
1743 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
1744 statement for location context.
1745 (check_for_binary_op_overflow): Ditto.
1746 (simplify_using_ranges::get_vr_for_comparison): Ditto.
1747 (simplify_using_ranges::compare_name_with_value): Ditto.
1748 (simplify_using_ranges::compare_names): Ditto.
1749 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
1750 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
1751 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
1752 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
1753 (simplify_using_ranges::two_valued_val_range_p): Ditto.
1754 (simplify_using_ranges::simplify): Ditto.
1755 * vr-values.h: Adjust prototypes.
1757 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
1760 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
1762 2021-06-29 Julian Brown <julian@codesourcery.com>
1764 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
1765 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
1766 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
1768 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
1769 (MAX_FIXED_MODE_SIZE): Change to 128.
1771 2021-06-29 Julian Brown <julian@codesourcery.com>
1773 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
1774 (s_mnemonic): Add clrsb.
1775 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
1776 (clrsb<mode>2): Add expander for SImode/DImode.
1778 2021-06-29 Julian Brown <julian@codesourcery.com>
1780 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
1781 muldi3): Add patterns.
1783 2021-06-29 Julian Brown <julian@codesourcery.com>
1785 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
1786 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
1788 2021-06-29 Julian Brown <julian@codesourcery.com>
1790 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
1792 2021-06-29 Joseph Myers <joseph@codesourcery.com>
1794 * btfout.c, ctfout.c: Include "memmodel.h".
1796 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1798 * gcc.c (check_offload_target_name): Cast len argument to
1799 %q.*s to 'int'; avoid -Wstringop-truncation warning.
1801 2021-06-29 Richard Biener <rguenther@suse.de>
1803 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
1804 to "any" permute nodes and relax "any" permute proapgation
1805 during iterative backward propagation.
1807 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1810 * common.opt (-foffload=): Update description.
1811 (-foffload-options=): New.
1812 * doc/invoke.texi (C Language Options): Document
1813 -foffload and -foffload-options.
1814 * gcc.c (check_offload_target_name): New, split off from
1815 handle_foffload_option.
1816 (check_foffload_target_names): New.
1817 (handle_foffload_option): Handle -foffload=default.
1818 (driver_handle_option): Update for -foffload-options.
1819 * lto-opts.c (lto_write_options): Use -foffload-options
1820 instead of -foffload.
1821 * lto-wrapper.c (merge_and_complain, append_offload_options):
1823 * opts.c (common_handle_option): Likewise.
1825 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1827 * doc/invoke.texi (C Language Options): Sort options
1828 alphabetically in optlist and also the description itself.
1829 Remove leftover -fallow-single-precision from and add missing
1830 -fgnu-tm to the optlist.
1832 2021-06-29 Richard Biener <rguenther@suse.de>
1834 * tree-vect-slp.c (slpg_vertex::visited): Remove.
1835 (vect_slp_perms_eq): Handle -1 permutes.
1836 (vect_optimize_slp): Rewrite permute propagation.
1838 2021-06-29 Jakub Jelinek <jakub@redhat.com>
1841 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
1842 perform the optimization in GENERIC when sanitizing and x has a
1845 2021-06-29 Richard Biener <rguenther@suse.de>
1847 PR tree-optimization/101242
1848 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
1849 PHIs with not represented initial values as leafs.
1851 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
1853 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
1854 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
1856 (pdp11_initial_elimination_offset) Remove unused variable.
1857 (pdp11_cmp_length) Ditto.
1858 (pdp11_insn_cost): Ditto, and fix signedness warning.
1860 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
1862 * btfout.c: Include tm_p.h.
1865 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1867 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
1869 (bpf_expand_epilogue): Likewise.
1870 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
1871 Do not define DBX_DEBUGGING_INFO.
1873 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1875 * doc/invoke.texi: Document the CTF and BTF debug info options.
1877 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1878 David Faust <david.faust@oracle.com>
1879 Jose E. Marchesi <jose.marchesi@oracle.com>
1880 Weimin Pan <weimin.pan@oracle.com>
1882 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
1883 GTFILES. Add new object files.
1884 * common.opt: Add CTF and BTF debug info options.
1885 * btfout.c: New file.
1888 * ctfout.c: Likewise.
1889 * dwarf2ctf.c: Likewise.
1890 * dwarf2ctf.h: Likewise.
1891 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
1893 * dwarf2out.c (dwarf2out_source_line): Likewise.
1894 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
1896 (debug_format_do_cu): New function.
1897 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
1899 Include dwarf2ctf.c.
1900 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
1902 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
1903 (CTF_DEBUG): New bitmask.
1904 (BTF_DEBUG): Likewise.
1905 (enum ctf_debug_info_levels): New enum.
1906 * gengtype.c (open_base_files): Handle ctfc.h.
1907 (main): Handle uint32_t type.
1908 * flags.h (btf_debuginfo_p): New definition.
1909 (dwarf_based_debuginfo_p): Likewise.
1910 * opts.c (debug_type_names): Add entries for CTF and BTF.
1911 (btf_debuginfo_p): New function.
1912 (dwarf_based_debuginfo_p): Likewise.
1913 (common_handle_option): Handle -gctfN and -gbtf options.
1914 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
1915 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
1918 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
1920 * dwarf2out.c (AT_class): Function is no longer static.
1922 (AT_unsigned): Likewise.
1925 (get_AT_string): Likewise.
1926 (get_AT_flag): Likewise.
1927 (get_AT_unsigned): Likewise.
1928 (get_AT_ref): Likewise.
1929 (new_die_raw): Likewise.
1930 (lookup_decl_die): Likewise.
1931 (base_type_die): Likewise.
1932 (add_name_attribute): Likewise.
1933 (add_AT_int): Likewise.
1934 (add_AT_unsigned): Likewise.
1935 (add_AT_loc): Likewise.
1936 (dw_get_die_tag): New function.
1937 (dw_get_die_child): Likewise.
1938 (dw_get_die_sib): Likewise.
1939 (struct dwarf_file_data): Move from here to dwarf2out.h
1940 (struct dw_attr_struct): Likewise.
1941 * dwarf2out.h: Analogous changes.
1943 2021-06-28 Martin Jambor <mjambor@suse.cz>
1946 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
1947 members m_dead_stmts and m_dead_ssas.
1948 * ipa-param-manipulation.c
1949 (ipa_param_body_adjustments::mark_dead_statements): New function.
1950 (ipa_param_body_adjustments::common_initialization): Call it on
1951 all removed but not split parameters.
1952 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
1954 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
1956 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
1957 dead debug statements.
1958 (copy_phis_for_bb): Do not copy dead PHI nodes.
1960 2021-06-28 Martin Jambor <mjambor@suse.cz>
1963 * symtab-clones.h (clone_info): Removed member param_adjustments.
1964 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
1965 deal with pass-through splits now.
1966 (ipa_param_performed_split): Removed.
1967 (ipa_param_adjustments::modify_call): Adjusted parameters.
1968 (class ipa_param_body_adjustments): Adjusted parameters of
1969 register_replacement, modify_gimple_stmt and modify_call_stmt.
1970 (ipa_verify_edge_has_no_modifications): Declare.
1971 (ipa_edge_modifications_finalize): Declare.
1972 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
1973 performed_splits processing, pas only edge to padjs->modify_call,
1974 check that call arguments were not modified if they should not have
1976 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
1978 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
1979 (ipa_edge_modification_info): Likewise.
1980 (ipa_edge_modification_sum): Likewise.
1981 (ipa_edge_modifications): New edge summary.
1982 (ipa_verify_edge_has_no_modifications): New function.
1983 (transitive_split_p): Removed.
1984 (transitive_split_map): Likewise.
1985 (init_transitive_splits): Likewise.
1986 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
1987 summary instead of performed_splits.
1988 (ipa_param_body_adjustments::register_replacement): Drop dummy
1989 parameter, set base_index of the created ipa_param_body_replacement.
1990 (phi_arg_will_live_p): New function.
1991 (ipa_param_body_adjustments::common_initialization): Do not create
1992 IPA_SRA dummy decls.
1993 (simple_tree_swap_info): Removed.
1994 (remap_split_decl_to_dummy): Likewise.
1995 (record_argument_state_1): New function.
1996 (record_argument_state): Likewise.
1997 (ipa_param_body_adjustments::modify_call_stmt): New parameter
1998 orig_stmt. Do not work with dummy decls, save necessary info about
1999 changes to ipa_edge_modifications.
2000 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
2001 orig_stmt, pass it to modify_call_stmt.
2002 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
2004 (ipa_edge_modifications_finalize): New function.
2005 * tree-inline.c (remap_gimple_stmt): Pass original statement to
2007 (copy_phis_for_bb): Do not copy dead PHI nodes.
2008 (expand_call_inline): Do not remap performed_splits.
2009 (update_clone_info): Likewise.
2010 * toplev.c: Include ipa-param-manipulation.h.
2011 (toplev::finalize): Call ipa_edge_modifications_finalize.
2013 2021-06-28 Andrew Pinski <apinski@marvell.com>
2015 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
2016 info if we're the only things setting the target PHI.
2017 (value_replacement): Don't duplicate range here.
2018 (minmax_replacement): Likewise.
2020 2021-06-28 Richard Biener <rguenther@suse.de>
2022 PR tree-optimization/101229
2023 * gimple-walk.c (gimple_walk_op): Handle PHIs.
2025 2021-06-28 Martin Liska <mliska@suse.cz>
2027 * config/v850/v850.c (construct_dispose_instruction): Allocate
2029 (construct_prepare_instruction): Likewise.
2031 2021-06-28 Martin Liska <mliska@suse.cz>
2033 * config/v850/v850.c (v850_option_override): Build default
2035 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
2036 ignored for inlining.
2037 (TARGET_CAN_INLINE_P): New.
2039 2021-06-28 Richard Biener <rguenther@suse.de>
2041 PR tree-optimization/101207
2042 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
2043 permute eliding for load permutations properly.
2045 2021-06-28 Richard Biener <rguenther@suse.de>
2047 PR tree-optimization/101173
2048 * gimple-loop-interchange.cc
2049 (tree_loop_interchange::valid_data_dependences): Disallow outer
2050 loop dependence distance of zero.
2052 2021-06-28 liuhongt <hongtao.liu@intel.com>
2055 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
2056 define_insn_and_split.
2057 (*avx_cmp<mode>3_ltint): Ditto.
2058 (*avx2_pcmp<mode>3_3): Ditto.
2059 (*avx2_pcmp<mode>3_4): Ditto.
2060 (*avx2_pcmp<mode>3_5): Ditto.
2062 2021-06-28 liuhongt <hongtao.liu@intel.com>
2064 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
2065 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
2066 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
2067 IX86_BUILTIN_PBLENDVB128): Replace icode with
2069 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
2071 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
2072 New pre_reload splitter.
2074 2021-06-27 Andrew Pinski <apinski@marvell.com>
2076 PR middle-end/101230
2077 * fold-const.c (fold_ternary_loc): Check
2078 the return value of invert_tree_comparison.
2080 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
2082 * config.gcc: Add SPDX License Identifier.
2083 (powerpc-ibm-aix789): Default to aix73.h.
2084 (powerpc-ibm-aix7.2.*.*): New stanza.
2085 * config/rs6000/aix72.h: Add SPDX License Identifier.
2086 * config/rs6000/aix73.h: New file.
2088 2021-06-26 Jason Merrill <jason@redhat.com>
2090 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
2092 2021-06-26 Andrew Pinski <apinski@marvell.com>
2094 * genmatch.c (lower_cond): Copy for_subst_vec
2095 for the simplify also.
2096 (lower): Swap the order for lower_for and lower_cond.
2098 2021-06-26 Andrew Pinski <apinski@marvell.com>
2100 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
2101 flow senatitive info on the moved ssa set.
2103 2021-06-26 Andrew Pinski <apinski@marvell.com>
2105 * fold-const.c (fold_cond_expr_with_comparison):
2106 Exand arg0 into comp_code, arg00, and arg01.
2107 (fold_ternary_loc): Use invert_tree_comparison
2108 instead of fold_invert_truthvalue for the case
2109 where we have A CMP B ? C : A.
2111 2021-06-25 Martin Sebor <msebor@redhat.com>
2113 PR middle-end/101216
2114 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
2116 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
2118 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
2120 2021-06-25 Richard Biener <rguenther@suse.de>
2122 PR tree-optimization/101202
2123 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
2126 2021-06-25 Richard Biener <rguenther@suse.de>
2128 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
2129 STMT_VINFO_REDUC_DEF from the original representative.
2131 2021-06-25 Martin Sebor <msebor@redhat.com>
2133 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
2134 gimple_no_warning_p and gimple_set_no_warning with
2135 warning_suppressed_p, and suppress_warning.
2137 (maybe_warn_for_bound): Same.
2138 (warn_for_access): Same.
2139 (check_access): Same.
2140 (expand_builtin_strncmp): Same.
2141 (fold_builtin_varargs): Same.
2142 * calls.c (maybe_warn_nonstring_arg): Same.
2143 (maybe_warn_rdwr_sizes): Same.
2144 * cfgexpand.c (expand_call_stmt): Same.
2145 * cgraphunit.c (check_global_declaration): Same.
2146 * fold-const.c (fold_undefer_overflow_warnings): Same.
2147 (fold_truth_not_expr): Same.
2148 (fold_unary_loc): Same.
2149 (fold_checksum_tree): Same.
2150 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
2151 (array_bounds_checker::check_mem_ref): Same.
2152 (array_bounds_checker::check_addr_expr): Same.
2153 (array_bounds_checker::check_array_bounds): Same.
2154 * gimple-expr.c (copy_var_decl): Same.
2155 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
2156 (gimple_fold_builtin_strncat): Same.
2157 (gimple_fold_builtin_stxcpy_chk): Same.
2158 (gimple_fold_builtin_stpcpy): Same.
2159 (gimple_fold_builtin_sprintf): Same.
2160 (fold_stmt_1): Same.
2161 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
2162 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
2163 * gimple-ssa-sprintf.c (handle_printf_call): Same.
2164 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
2165 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
2166 * gimple-ssa-warn-restrict.h: Adjust declarations.
2167 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
2168 gimple_no_warning_p and gimple_set_no_warning with
2169 warning_suppressed_p, and suppress_warning.
2171 (check_bounds_or_overlap): Same.
2172 * gimple.c (gimple_build_call_from_tree): Same.
2173 * gimplify.c (gimplify_return_expr): Same.
2174 (gimplify_cond_expr): Same.
2175 (gimplify_modify_expr_complex_part): Same.
2176 (gimplify_modify_expr): Same.
2177 (gimple_push_cleanup): Same.
2178 (gimplify_expr): Same.
2179 * omp-expand.c (expand_omp_for_generic): Same.
2180 (expand_omp_taskloop_for_outer): Same.
2181 * omp-low.c (lower_rec_input_clauses): Same.
2182 (lower_lastprivate_clauses): Same.
2183 (lower_send_clauses): Same.
2184 (lower_omp_target): Same.
2185 * tree-cfg.c (pass_warn_function_return::execute): Same.
2186 * tree-complex.c (create_one_component_var): Same.
2187 * tree-inline.c (remap_gimple_op_r): Same.
2188 (copy_tree_body_r): Same.
2189 (declare_return_variable): Same.
2190 (expand_call_inline): Same.
2191 * tree-nested.c (lookup_field_for_decl): Same.
2192 * tree-sra.c (create_access_replacement): Same.
2193 (generate_subtree_copies): Same.
2194 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
2195 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
2196 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
2197 * tree-ssa-loop-im.c (execute_sm): Same.
2198 * tree-ssa-phiopt.c (cond_store_replacement): Same.
2199 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
2200 (handle_builtin_strcpy): Same.
2201 (maybe_diag_stxncpy_trunc): Same.
2202 (handle_builtin_stxncpy_strncat): Same.
2203 (handle_builtin_strcat): Same.
2204 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
2205 (set_no_uninit_warning): Same.
2206 (uninit_undefined_value_p): Same.
2207 (warn_uninit): Same.
2208 (maybe_warn_operand): Same.
2209 * tree-vrp.c (compare_values_warnv): Same.
2210 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
2211 (test_for_singularity): Same.
2212 * gimple.h (warning_suppressed_p): New function.
2213 (suppress_warning): Same.
2214 (copy_no_warning): Same.
2215 (gimple_set_block): Call gimple_set_location.
2216 (gimple_set_location): Call copy_warning.
2218 2021-06-25 Martin Sebor <msebor@redhat.com>
2220 * tree.h (warning_suppressed_at, copy_warning,
2221 warning_suppressed_p, suppress_warning): New functions.
2223 2021-06-25 Martin Sebor <msebor@redhat.com>
2225 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
2226 * gengtype.c (open_base_files): Add diagnostic-spec.h.
2227 * diagnostic-spec.c: New file.
2228 * diagnostic-spec.h: New file.
2229 * tree.h (no_warning, all_warnings, suppress_warning_at): New
2231 * warning-control.cc: New file.
2233 2021-06-25 liuhongt <hongtao.liu@intel.com>
2236 * config/i386/i386.c (x86_order_regs_for_local_alloc):
2239 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2241 PR tree-optimization/101189
2242 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
2243 LHS range of condition to postfold routine.
2244 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
2245 FALSE edge if the LHS range supports it being taken.
2246 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
2248 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2250 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
2251 (relation_oracle::find_relation_block): Check correct bitmap.
2252 (relation_oracle::dump): Do not dump NULL blocks.
2254 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2256 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
2257 range_on_edge instead of manually calculating.
2259 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2261 * range-op.cc: Fix comment.
2263 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
2266 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
2267 Handle V8QI and V4HI modes.
2268 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
2270 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
2271 (mmxpackmode): New mode attribute.
2272 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
2273 (mmxunpackmode): New mode attribute.
2274 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
2275 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
2276 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
2277 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
2278 * config/i386/i386.md (extsuffix): Move from ...
2279 * config/i386/sse.md: ... here.
2281 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
2283 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
2284 (dwarf2out_finish): ...instead of here.
2286 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
2288 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
2289 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
2290 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
2291 * configure: Regenerate.
2293 2021-06-24 Richard Biener <rguenther@suse.de>
2295 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
2296 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
2297 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
2299 2021-06-24 Richard Biener <rguenther@suse.de>
2301 * config/i386/sse.md (avx_addsubv4df3): Rename to
2303 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
2304 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
2305 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
2306 * config/i386/i386-builtin.def: Adjust.
2307 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
2308 * optabs.def (vec_addsub_optab): New optab.
2309 * tree-vect-slp-patterns.c (class addsub_pattern): New.
2310 (slp_patterns): Add addsub_pattern.
2311 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
2312 across CFN_VEC_ADDSUB.
2313 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
2315 * doc/md.texi (vec_addsub<mode>3): Document.
2317 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2319 PR middle-end/101170
2320 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
2321 where regno + subreg_regno_offset wraps around use 0 as starting
2324 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2326 PR middle-end/101172
2327 * stor-layout.c (finish_bitfield_representative): If nextf has
2328 error_mark_node type, set repr type to error_mark_node too.
2330 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
2332 * config/s390/s390.c (s390_function_profiler): Ignore labelno
2334 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
2336 2021-06-24 Richard Biener <rguenther@suse.de>
2338 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
2339 across operations that have different semantics on different
2342 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2344 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
2345 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
2346 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
2347 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
2348 OMP_TARGET user outer_ctx instead of ctx for placeholders and
2349 initializer/combiner gimplification.
2350 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
2351 on target constructs.
2352 (lower_rec_input_clauses): Likewise.
2353 (lower_omp_target): Likewise.
2354 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
2355 on target if in_reduction is present.
2357 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
2359 * tree-predcom.c (class pcom_worker): New class.
2360 (release_chain): Renamed to...
2361 (pcom_worker::release_chain): ...this.
2362 (release_chains): Renamed to...
2363 (pcom_worker::release_chains): ...this.
2364 (aff_combination_dr_offset): Renamed to...
2365 (pcom_worker::aff_combination_dr_offset): ...this.
2366 (determine_offset): Renamed to...
2367 (pcom_worker::determine_offset): ...this.
2368 (class comp_ptrs): New class.
2369 (split_data_refs_to_components): Renamed to...
2370 (pcom_worker::split_data_refs_to_components): ...this,
2371 and update with class comp_ptrs.
2372 (suitable_component_p): Renamed to...
2373 (pcom_worker::suitable_component_p): ...this.
2374 (filter_suitable_components): Renamed to...
2375 (pcom_worker::filter_suitable_components): ...this.
2376 (valid_initializer_p): Renamed to...
2377 (pcom_worker::valid_initializer_p): ...this.
2378 (find_looparound_phi): Renamed to...
2379 (pcom_worker::find_looparound_phi): ...this.
2380 (add_looparound_copies): Renamed to...
2381 (pcom_worker::add_looparound_copies): ...this.
2382 (determine_roots_comp): Renamed to...
2383 (pcom_worker::determine_roots_comp): ...this.
2384 (determine_roots): Renamed to...
2385 (pcom_worker::determine_roots): ...this.
2386 (single_nonlooparound_use): Renamed to...
2387 (pcom_worker::single_nonlooparound_use): ...this.
2388 (remove_stmt): Renamed to...
2389 (pcom_worker::remove_stmt): ...this.
2390 (execute_pred_commoning_chain): Renamed to...
2391 (pcom_worker::execute_pred_commoning_chain): ...this.
2392 (execute_pred_commoning): Renamed to...
2393 (pcom_worker::execute_pred_commoning): ...this.
2394 (struct epcc_data): New member worker.
2395 (execute_pred_commoning_cbck): Call execute_pred_commoning
2396 with pcom_worker pointer.
2397 (find_use_stmt): Renamed to...
2398 (pcom_worker::find_use_stmt): ...this.
2399 (find_associative_operation_root): Renamed to...
2400 (pcom_worker::find_associative_operation_root): ...this.
2401 (find_common_use_stmt): Renamed to...
2402 (pcom_worker::find_common_use_stmt): ...this.
2403 (combinable_refs_p): Renamed to...
2404 (pcom_worker::combinable_refs_p): ...this.
2405 (reassociate_to_the_same_stmt): Renamed to...
2406 (pcom_worker::reassociate_to_the_same_stmt): ...this.
2407 (stmt_combining_refs): Renamed to...
2408 (pcom_worker::stmt_combining_refs): ...this.
2409 (combine_chains): Renamed to...
2410 (pcom_worker::combine_chains): ...this.
2411 (try_combine_chains): Renamed to...
2412 (pcom_worker::try_combine_chains): ...this.
2413 (prepare_initializers_chain): Renamed to...
2414 (pcom_worker::prepare_initializers_chain): ...this.
2415 (prepare_initializers): Renamed to...
2416 (pcom_worker::prepare_initializers): ...this.
2417 (prepare_finalizers_chain): Renamed to...
2418 (pcom_worker::prepare_finalizers_chain): ...this.
2419 (prepare_finalizers): Renamed to...
2420 (pcom_worker::prepare_finalizers): ...this.
2421 (tree_predictive_commoning_loop): Renamed to...
2422 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
2423 some calls and remove some cleanup code.
2424 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
2425 (static variable looparound_phis): Remove.
2426 (static variable name_expansions): Remove.
2428 2021-06-24 Richard Biener <rguenther@suse.de>
2430 * tree-vect-slp.c (slpg_vertex): New struct.
2431 (vect_slp_build_vertices): Adjust.
2432 (vect_optimize_slp): Likewise. Maintain an outgoing permute
2433 and a materialized one.
2435 2021-06-24 Richard Biener <rguenther@suse.de>
2437 PR tree-optimization/101105
2438 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
2439 Only ignore steps when they are equal or scalar order is preserved.
2441 2021-06-24 liuhongt <hongtao.liu@intel.com>
2444 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
2445 Adjust comments for ix86_expand_vecop_qihi2.
2446 (ix86_expand_vecmul_qihi): Renamed to ..
2447 (ix86_expand_vecop_qihi2): Adjust function prototype to
2448 support shift operation, add static to definition.
2449 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
2450 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
2451 ix86_expand_vec_shift_qihi_constant.
2452 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
2453 (ix86_expand_vec_shift_qihi_constant): Deleted.
2454 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
2456 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
2457 condition TARGET_64BIT.
2458 (mul<mode>3): Ditto.
2459 (<insn><mode>3): Ditto.
2460 (vlshr<mode>3): Extend to support avx512 vlshr.
2461 (v<insn><mode>3): New expander for
2463 (v<insn>v8qi3): Ditto.
2464 (vashrv8hi3<mask_name>): Renamed to ..
2465 (vashr<mode>3): And extend to support V16QImode for avx512.
2466 (vashrv16qi3): Deleted.
2467 (vashrv2di3<mask_name>): Extend expander to support avx512
2470 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
2472 * doc/lto.texi (Design Overview): Update that slim objects are
2475 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
2477 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
2478 of OTHER_POWER10_MASKS so it will not be enabled by default.
2480 2021-06-23 Richard Biener <rguenther@suse.de>
2481 Martin Jambor <mjambor@suse.cz>
2483 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
2484 param replacement unconditionally. Adjust comment.
2486 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2488 * Makefile.in (OBJS): Add gimple-range-fold.o
2489 * gimple-range-fold.cc: New.
2490 * gimple-range-fold.h: New.
2491 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
2492 (gimple_range_calc_op2): Ditto.
2493 * gimple-range-gori.h: Move prototypes to here.
2494 * gimple-range.cc: Adjust include files.
2495 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
2496 (fur_source::get_operand): Ditto.
2497 (fur_source::get_phi_operand): Ditto.
2498 (fur_source::query_relation): Ditto.
2499 (fur_source::register_relation): Ditto.
2500 (class fur_edge): Ditto.
2501 (fur_edge::fur_edge): Ditto.
2502 (fur_edge::get_operand): Ditto.
2503 (fur_edge::get_phi_operand): Ditto.
2504 (fur_stmt::fur_stmt): Ditto.
2505 (fur_stmt::get_operand): Ditto.
2506 (fur_stmt::get_phi_operand): Ditto.
2507 (fur_stmt::query_relation): Ditto.
2508 (class fur_depend): Relocate to gimple-range-fold.h.
2509 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
2510 (fur_depend::register_relation): Ditto.
2511 (fur_depend::register_relation): Ditto.
2512 (class fur_list): Ditto.
2513 (fur_list::fur_list): Ditto.
2514 (fur_list::get_operand): Ditto.
2515 (fur_list::get_phi_operand): Ditto.
2516 (fold_range): Ditto.
2517 (adjust_pointer_diff_expr): Ditto.
2518 (gimple_range_adjustment): Ditto.
2519 (gimple_range_base_of_assignment): Ditto.
2520 (gimple_range_operand1): Ditto.
2521 (gimple_range_operand2): Ditto.
2522 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
2523 (gimple_range_calc_op2): Ditto.
2524 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
2525 (fold_using_range::range_of_range_op): Ditto.
2526 (fold_using_range::range_of_address): Ditto.
2527 (fold_using_range::range_of_phi): Ditto.
2528 (fold_using_range::range_of_call): Ditto.
2529 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
2530 (fold_using_range::range_of_builtin_call): Ditto.
2531 (fold_using_range::range_of_cond_expr): Ditto.
2532 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
2533 (fold_using_range::relation_fold_and_or): Ditto.
2534 (fold_using_range::postfold_gcond_edges): Ditto.
2535 * gimple-range.h: Add gimple-range-fold.h to include files. Change
2536 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
2537 (gimple_range_handler): Relocate to gimple-range-fold.h.
2538 (gimple_range_ssa_p): Ditto.
2539 (range_compatible_p): Ditto.
2540 (class fur_source): Ditto.
2541 (class fur_stmt): Ditto.
2542 (class fold_using_range): Ditto.
2543 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
2544 (gimple_range_calc_op2): Ditto.
2546 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2548 PR tree-optimization/101148
2549 PR tree-optimization/101014
2550 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
2551 (ranger_cache::~ranger_cache): Adjust.
2552 (ranger_cache::block_range): Check if propagation disallowed.
2553 (ranger_cache::propagate_cache): Disallow propagation if new value
2554 can't be stored properly.
2555 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
2557 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2559 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
2560 (sbr_vector::set_bb_range): Return true.
2561 (class sbr_sparse_bitmap): Adjust.
2562 (sbr_sparse_bitmap::set_bb_range): Return value.
2563 (block_range_cache::set_bb_range): Return value.
2564 (ranger_cache::propagate_cache): Use return value to print msg.
2565 * gimple-range-cache.h (class block_range_cache): Adjust.
2567 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2569 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
2571 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
2573 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
2574 so this pattern can be used for test/compare removal. Pass
2575 current insn to compute_logical_op_length and output_logical_op.
2576 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
2577 (h8300_and_costs): Add argument to compute_logical_op_length.
2578 (output_logical_op): Add new argument. Use it to determine if the
2579 condition codes are used and adjust the output accordingly.
2580 (compute_logical_op_length): Add new argument and update length
2581 computations when condition codes are used.
2582 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
2584 (output_logical_op): Likewise.
2586 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
2589 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
2590 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
2591 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
2592 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
2593 * config/i386/sse.md (unspec): ... here.
2595 2021-06-23 Martin Liska <mliska@suse.cz>
2598 * optc-save-gen.awk: Put back arm_fp16_format to
2601 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
2604 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
2607 (clz<mode>2): Update RTX pattern for additions.
2609 2021-06-23 Jakub Jelinek <jakub@redhat.com>
2611 PR middle-end/101167
2612 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
2613 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
2615 2021-06-22 Sergei Trofimovich <siarheit@google.com>
2617 * doc/rtl.texi: drop unbalanced parenthesis.
2619 2021-06-22 Richard Biener <rguenther@suse.de>
2621 PR middle-end/101156
2622 * gimplify.c (gimplify_expr): Remove premature incorrect
2625 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2627 PR tree-optimization/101159
2628 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
2631 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2633 PR middle-end/101160
2634 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
2635 clear crtl->return_rtx instead of keeping it referencing a pseudo.
2637 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2638 Andrew Pinski <apinski@marvell.com>
2640 PR tree-optimization/101162
2641 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
2644 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2646 * range-op.cc (range_relational_tests): New.
2647 (range_op_tests): Call range_relational_tests.
2649 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2651 * range-op.cc (operator_cast::lhs_op1_relation): New.
2652 (operator_identity::lhs_op1_relation): Mew.
2654 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2656 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
2658 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2660 * range-op.cc (operator_plus::lhs_op1_relation): New.
2661 (operator_plus::lhs_op2_relation): New.
2663 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2665 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
2666 relation_oracle if dominators exist.
2667 (ranger_cache::~ranger_cache): Dispose of oracle.
2668 (ranger_cache::dump_bb): Dump oracle.
2669 * gimple-range.cc (fur_source::fur_source): New.
2670 (fur_source::get_operand): Use mmeber query.
2671 (fur_source::get_phi_operand): Use member_query.
2672 (fur_source::query_relation): New.
2673 (fur_source::register_dependency): Delete.
2674 (fur_source::register_relation): New.
2675 (fur_edge::fur_edge): Adjust.
2676 (fur_edge::get_phi_operand): Fix comment.
2677 (fur_edge::query): Delete.
2678 (fur_stmt::fur_stmt): Adjust.
2679 (fur_stmt::query): Delete.
2680 (fur_depend::fur_depend): Adjust.
2681 (fur_depend::register_relation): New.
2682 (fur_depend::register_relation): New.
2683 (fur_list::fur_list): Adjust.
2684 (fur_list::get_operand): Use member query.
2685 (fold_using_range::range_of_range_op): Process and query relations.
2686 (fold_using_range::range_of_address): Adjust dependency call.
2687 (fold_using_range::range_of_phi): Ditto.
2688 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
2689 (fold_using_range::relation_fold_and_or): New.
2690 (fold_using_range::postfold_gcond_edges): New.
2691 * gimple-range.h (class gimple_ranger): Adjust.
2692 (class fur_source): Adjust members.
2693 (class fur_stmt): Ditto.
2694 (class fold_using_range): Ditto.
2696 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2698 * range-op.cc (range_operator::wi_fold): Apply relation effect.
2699 (range_operator::fold_range): Adjust and apply relation effect.
2700 (*::fold_range): Add relation parameters.
2701 (*::op1_range): Ditto.
2702 (*::op2_range): Ditto.
2703 (range_operator::lhs_op1_relation): New.
2704 (range_operator::lhs_op2_relation): New.
2705 (range_operator::op1_op2_relation): New.
2706 (range_operator::op1_op2_relation_effect): New.
2707 (relop_early_resolve): New.
2708 (operator_equal::op1_op2_relation): New.
2709 (operator_equal::fold_range): Call relop_early_resolve.
2710 (operator_not_equal::op1_op2_relation): New.
2711 (operator_not_equal::fold_range): Call relop_early_resolve.
2712 (operator_lt::op1_op2_relation): New.
2713 (operator_lt::fold_range): Call relop_early_resolve.
2714 (operator_le::op1_op2_relation): New.
2715 (operator_le::fold_range): Call relop_early_resolve.
2716 (operator_gt::op1_op2_relation): New.
2717 (operator_gt::fold_range): Call relop_early_resolve.
2718 (operator_ge::op1_op2_relation): New.
2719 (operator_ge::fold_range): Call relop_early_resolve.
2720 * range-op.h (class range_operator): Adjust parameters and methods.
2722 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2724 * Makefile.in (OBJS): Add value-relation.o.
2725 * gimple-range.h: Adjust include files.
2726 * tree-data-ref.c: Adjust include file order.
2727 * value-query.cc (range_query::get_value_range): Default to no oracle.
2728 (range_query::query_relation): New.
2729 (range_query::query_relation): New.
2730 * value-query.h (class range_query): Adjust.
2731 * value-relation.cc: New.
2732 * value-relation.h: New.
2734 2021-06-22 Richard Biener <rguenther@suse.de>
2736 PR tree-optimization/101151
2737 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
2740 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
2742 * config/riscv/riscv.c (thead_c906_tune_info): New.
2743 (riscv_tune_info_table): Use new tune.
2745 2021-06-22 Richard Biener <rguenther@suse.de>
2747 PR tree-optimization/101158
2748 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
2749 checking after checking for matching operation.
2751 2021-06-22 Richard Biener <rguenther@suse.de>
2753 PR tree-optimization/101159
2754 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
2755 missing NULL vectype check.
2757 2021-06-22 Richard Biener <rguenther@suse.de>
2759 PR tree-optimization/101154
2760 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
2762 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2765 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
2766 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
2767 * config/i386/i386.c (ix86_expand_prologue): Clear it.
2768 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
2769 Remove "" from match_operand. Emit new insns using emit_move_insn and
2770 set ix86_last_zero_store_uid to INSN_UID of the last store.
2771 Add peephole2s for 1/2/4 stores of const0_rtx following previous
2774 2021-06-22 Martin Liska <mliska@suse.cz>
2776 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
2779 2021-06-22 Martin Liska <mliska@suse.cz>
2781 * gcov-io.h: Remove padding entries.
2783 2021-06-22 liuhongt <hongtao.liu@intel.com>
2785 PR tree-optimization/97770
2786 * tree-vect-patterns.c (vect_recog_popcount_pattern):
2788 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
2790 2021-06-22 liuhongt <hongtao.liu@intel.com>
2793 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
2794 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
2795 (expand<mode>_mask): this ..
2796 (*expand<mode>_mask): New pre_reload splitter to transform
2797 v{,p}expand* to vmov* when mask is zero, all ones, or has all
2798 ones in it's lower part, otherwise still generate
2801 2021-06-22 liuhongt <hongtao.liu@intel.com>
2804 * config/i386/i386-expand.c
2805 (ix86_expand_special_args_builtin): Keep constm1_operand only
2806 if it satisfies insn's operand predicate.
2808 2021-06-21 Jason Merrill <jason@redhat.com>
2811 * df-scan.c (df_ref_record): Check that regno < endregno.
2812 * function.c (assign_parms, expand_function_end): Do nothing with a
2813 TYPE_EMPTY_P result.
2815 2021-06-21 Richard Biener <rguenther@suse.de>
2817 PR tree-optimization/101120
2818 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
2820 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
2821 DR chain DCE capability.
2822 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
2823 * tree-vect-stmts.c (vectorizable_load): Remove unused
2824 loads in the DR chain for SLP.
2826 2021-06-21 Jakub Jelinek <jakub@redhat.com>
2828 PR inline-asm/100785
2829 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
2830 output or input operands were already error_mark_node.
2831 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
2832 remove all inputs, outputs and clobbers from the asm and
2835 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2837 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
2838 (vceq_s16): Likewise.
2839 (vceq_s32): Likewise.
2840 (vceq_u8): Likewise.
2841 (vceq_u16): Likewise.
2842 (vceq_u32): Likewise.
2843 (vceq_p8): Likewise.
2844 (vceqq_s8): Likewise.
2845 (vceqq_s16): Likewise.
2846 (vceqq_s32): Likewise.
2847 (vceqq_u8): Likewise.
2848 (vceqq_u16): Likewise.
2849 (vceqq_u32): Likewise.
2850 (vceqq_p8): Likewise.
2851 (vceq_f32): Gate __a == __b on __FAST_MATH__.
2852 (vceqq_f32): Likewise.
2853 (vceq_f16): Likewise.
2854 (vceqq_f16): Likewise.
2856 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2859 * config/arm/iterators.md (NEON_VACMP): Remove.
2860 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
2862 (neon_vca<cmp_op><mode>_insn): Likewise.
2863 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
2866 2021-06-21 Richard Biener <rguenther@suse.de>
2868 PR tree-optimization/101121
2869 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
2870 when we just lack a stmt with the desired op when doing permutation.
2871 (vect_build_slp_tree): When caching a failed SLP build attempt
2872 assert that at least one lane is marked as not matching.
2874 2021-06-21 liuhongt <hongtao.liu@intel.com>
2877 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
2878 register alternative.
2879 (*and<mode>_1): Ditto.
2881 (*andn<mode>_1): Ditto.
2882 (*<code><mode>_1): Ditto.
2883 (*<code>qi_1): Ditto.
2884 (*one_cmpl<mode>2_1): Ditto.
2885 (*one_cmplsi2_1_zext): Ditto.
2886 (*one_cmplqi2_1): Ditto.
2887 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
2888 the order of mask registers to be before general registers.
2890 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
2893 * config/i386/i386.md: New define_peephole2s to shrink writing
2894 1, 2 or 4 consecutive zeros to memory when optimizing for size.
2896 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
2898 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
2899 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
2900 more efficient code when the source can be trivially simplified.
2902 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
2904 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
2905 a range if global is not available.
2906 (ranger_cache::entry_range): Fallback to range_of_def.
2907 * gimple-range-cache.h (range_of_def): Adjust prototype.
2909 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
2911 PR tree-optimization/101014
2912 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
2914 (ranger_cache::~ranger_cache): Ditto.
2915 (ranger_cache::enable_new_values): Delete.
2916 (ranger_cache::push_poor_value): Delete.
2917 (ranger_cache::range_of_def): Remove poor value processing.
2918 (ranger_cache::entry_range): Ditto.
2919 (ranger_cache::fill_block_cache): Ditto.
2920 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
2921 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
2922 * gimple-range.h (class gimple_ranger): Adjust.
2924 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
2927 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
2928 derived from arm_canon_arch.
2929 (arm_canon_arch_option): Call it.
2930 (arm_canon_arch_multilib_option): New function.
2931 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
2932 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
2933 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
2934 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
2935 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
2936 * config/arm/arm.opt (mlibarch): New option.
2937 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
2938 of march on RHS with mlibarch.
2940 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
2942 * config.in: Regenerate.
2943 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
2945 * configure: Regenerate.
2946 * configure.ac: Fix for global_load assembler functions.
2948 2021-06-18 Richard Biener <rguenther@suse.de>
2950 PR tree-optimization/101112
2951 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
2952 to lookup a pattern stmt def.
2954 2021-06-18 Jakub Jelinek <jakub@redhat.com>
2956 PR middle-end/101062
2957 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
2958 representatives in QUAL_UNION_TYPE.
2960 2021-06-18 Andrew Pinski <apinski@marvell.com>
2962 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
2963 Add counting of how many times it is done.
2964 (factor_out_conditional_conversion): Likewise.
2965 (match_simplify_replacement): Likewise.
2966 (value_replacement): Likewise.
2967 (spaceship_replacement): Likewise.
2968 (cond_store_replacement): Likewise.
2969 (cond_if_else_store_replacement_1): Likewise.
2970 (hoist_adjacent_loads): Likewise.
2972 2021-06-18 Andrew Pinski <apinski@marvell.com>
2974 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
2975 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
2976 (verify_gimple_assign_binary): Reject point and offset types on
2977 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
2978 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
2979 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
2981 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
2983 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
2984 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
2985 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
2988 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
2990 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
2991 earlyclobber to alts 0/1.
2992 (gen_addadd): Add earlyclobber to alts 0/1.
2993 * config/rs6000/fusion.md: Regenerate file.
2995 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2997 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
2999 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
3001 * gimple-range-cache.cc: Comment cleanups.
3002 * gimple-range-gori.cc: Comment cleanups.
3003 * gimple-range.cc: Comment/spacing cleanups
3004 * value-range.h: Comment cleanups.
3006 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
3009 * calls.c (expand_call): Replace PUSH_ARGS with
3010 targetm.calls.push_argument (0).
3011 (emit_library_call_value_1): Likewise.
3012 * defaults.h (PUSH_ARGS): Removed.
3013 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
3014 targetm.calls.push_argument (0).
3015 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3016 (emit_push_insn): Pass the number bytes to push to
3017 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
3018 * hooks.c (hook_bool_uint_true): New.
3019 * hooks.h (hook_bool_uint_true): Likewise.
3020 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
3021 targetm.calls.push_argument (0).
3022 * target.def (push_argument): Add a targetm.calls hook.
3023 * targhooks.c (default_push_argument): New.
3024 * targhooks.h (default_push_argument): Likewise.
3025 * config/bpf/bpf.h (PUSH_ARGS): Removed.
3026 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
3027 * config/cr16/cr16.h (PUSH_ARGS): Removed.
3028 * config/i386/i386.c (ix86_push_argument): New.
3029 (TARGET_PUSH_ARGUMENT): Likewise.
3030 * config/i386/i386.h (PUSH_ARGS): Removed.
3031 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
3032 * config/m32c/m32c.h (PUSH_ARGS): Removed.
3033 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
3034 * config/pru/pru.h (PUSH_ARGS): Likewise.
3035 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
3036 TARGET_PUSH_ARGUMENT hook.
3037 * doc/tm.texi: Regenerated.
3039 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
3042 * config/i386/i386-expand.c (expand_vector_set_var):
3043 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
3044 ix86_expand_vector_init_duplicate.
3045 (ix86_expand_vector_init_duplicate): Emit insv_1 for
3046 QImode for !TARGET_PARTIAL_REG_STALL.
3047 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
3048 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
3049 as operand 2 predicate. Call ix86_expand_vector_set_var
3050 for non-constant index operand.
3051 (vec_setv2si): Ditto.
3052 (vec_setv4hi): Ditto.
3053 (vec_setv8qi): ditto.
3055 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
3057 PR tree-optimization/100790
3058 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
3061 2021-06-17 Martin Liska <mliska@suse.cz>
3063 * doc/invoke.texi: Use consistently -O1 instead of -O.
3065 2021-06-17 Martin Liska <mliska@suse.cz>
3067 * gcov-io.h: Update documentation entry about string format.
3069 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
3072 * config/s390/vecintrin.h (vec_doublee): Fix to use
3073 __builtin_s390_vflls.
3074 (vec_floate): Fix to use __builtin_s390_vflrd.
3076 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3078 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
3079 * dominance.h (get_dominated_to_depth): Likewise.
3080 (get_all_dominated_blocks): Likewise.
3081 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
3082 * gcse.c (hoist_code): Likewise.
3083 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
3084 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
3085 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
3086 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
3088 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3090 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
3091 * dominance.h (get_dominated_by_region): Likewise.
3092 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
3093 (gimple_duplicate_sese_tail): Likewise.
3094 (move_sese_region_to_fn): Likewise.
3096 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3098 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
3099 * dominance.h (get_dominated_by): Likewise.
3100 * auto-profile.c (afdo_find_equiv_class): Adjust.
3101 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
3102 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
3103 * tree-cfg.c (test_linear_chain): Likewise.
3104 (test_diamond): Likewise.
3106 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3108 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
3109 * cfgloopanal.c (get_loop_hot_path): Likewise.
3110 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
3112 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3114 * cgraph.c (cgraph_node::collect_callers): Return
3115 auto_vec<cgraph_edge *>.
3116 * cgraph.h (cgraph_node::collect_callers): Likewise.
3117 * ipa-cp.c (create_specialized_node): Adjust.
3118 (decide_about_value): Likewise.
3119 (decide_whether_version_node): Likewise.
3120 * ipa-sra.c (process_isra_node_results): Likewise.
3122 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
3124 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
3125 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
3127 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
3130 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
3132 * gimple-range.cc (debug_seed_ranger): New.
3134 (debug_ranger): New.
3136 2021-06-17 Richard Biener <rguenther@suse.de>
3138 PR tree-optimization/54400
3139 * tree-vectorizer.h (enum slp_instance_kind): Add
3140 slp_inst_kind_bb_reduc.
3141 (reduction_fn_for_scalar_code): Declare.
3142 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
3143 Check SLP_INSTANCE_KIND instead of looking at the
3145 (vect_slp_analyze_instance_alignment): Likewise.
3146 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
3147 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
3148 chain linearization from vect_build_slp_tree_2 and generalize
3149 for the use of BB reduction vectorization.
3150 (vect_build_slp_tree_2): Adjust accordingly.
3151 (vect_optimize_slp): Elide permutes at the root of BB reduction
3153 (vectorizable_bb_reduc_epilogue): New function.
3154 (vect_slp_prune_covered_roots): Likewise.
3155 (vect_slp_analyze_operations): Use them.
3156 (vect_slp_check_for_constructors): Recognize associatable
3157 chains for BB reduction vectorization.
3158 (vectorize_slp_instance_root_stmt): Generate code for the
3159 BB reduction epilogue.
3161 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
3163 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
3165 (gori_compute::may_recompute_p): New.
3166 (gori_compute::outgoing_edge_range_p): Perform recomputations.
3167 * gimple-range-gori.h (class gori_compute): Add prototype.
3169 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
3171 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
3172 true when a range can be calculated.
3173 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
3175 2021-06-16 Martin Sebor <msebor@redhat.com>
3177 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
3178 Correct documented defaults.
3180 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
3182 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
3183 m_new_value_p directly.
3185 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
3188 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
3189 Handle 64bit modes for TARGET_SSE4_1.
3190 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
3191 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
3192 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
3193 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
3194 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
3195 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
3197 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3199 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
3200 Change to an expander that emits the correct instruction
3201 depending on endianness.
3202 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
3203 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
3205 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3207 * config/aarch64/aarch64-simd-builtins.def: Split generator
3208 for aarch64_<su>qmovn builtins into scalar and vector
3210 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
3212 (aarch64_<su>qmovn<mode>_insn_be): Define.
3213 (aarch64_<su>qmovn<mode>): Split into scalar and vector
3214 variants. Change vector variant to an expander that emits the
3215 correct instruction depending on endianness.
3217 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3219 * config/aarch64/aarch64-simd-builtins.def: Split generator
3220 for aarch64_sqmovun builtins into scalar and vector variants.
3221 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
3222 Split into scalar and vector variants. Change vector variant
3223 to an expander that emits the correct instruction depending
3225 (aarch64_sqmovun<mode>_insn_le): Define.
3226 (aarch64_sqmovun<mode>_insn_be): Define.
3228 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3230 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
3231 Define - modeling zero-high-half semantics.
3232 (aarch64_xtn<mode>): Change to an expander that emits the
3233 appropriate instruction depending on endianness.
3234 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
3236 (aarch64_xtn2<mode>_le): Rename to...
3237 (aarch64_xtn2<mode>_insn_le): This.
3238 (aarch64_xtn2<mode>_be): Rename to...
3239 (aarch64_xtn2<mode>_insn_be): This.
3240 (vec_pack_trunc_<mode>): Emit truncation instruction instead
3242 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
3245 2021-06-16 Martin Jambor <mjambor@suse.cz>
3247 PR tree-optimization/100453
3248 * tree-sra.c (create_access): Disqualify any const candidates
3249 which are written to.
3250 (sra_modify_expr): Do not store sub-replacements back to a const base.
3251 (handle_unscalarized_data_in_subtree): Likewise.
3252 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
3253 instead of constant_decl_p.
3255 2021-06-16 Jakub Jelinek <jakub@redhat.com>
3257 PR middle-end/101062
3258 * stor-layout.c (finish_bitfield_representative): For fields in unions
3259 assume nextf is always NULL.
3260 (finish_bitfield_layout): Compute bit field representatives also in
3261 unions, but handle it as if each bitfield was the only field in the
3264 2021-06-16 Richard Biener <rguenther@suse.de>
3266 PR tree-optimization/101088
3267 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
3268 supported refs on edges. Do not assert same ref but
3269 different kind stores are unsuported but mark them so.
3270 (hoist_memory_references): Only look for supported refs
3273 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
3275 PR rtl-optimization/46235
3276 * config/i386/i386.md: New define_split for bt followed by cmov.
3277 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
3278 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
3279 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
3280 by setnc with zero extension.
3282 2021-06-16 Richard Biener <rguenther@suse.de>
3284 PR tree-optimization/101083
3285 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
3286 vectype as argument.
3287 (vect_build_slp_tree_2): Adjust.
3289 2021-06-15 Martin Sebor <msebor@redhat.com>
3291 PR middle-end/100876
3292 * builtins.c: (gimple_call_return_array): Account for size_t
3293 mangling as either unsigned int or unsigned long
3295 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
3297 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
3298 up before eliminating comparisons.
3300 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
3302 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
3303 nonzero|X is nonzero.
3304 (range_op_bitwise_and_tests): Add tests for above.
3306 2021-06-15 Carl Love <cel@us.ibm.com>
3309 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
3311 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
3314 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
3317 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
3318 (struct gimplify_omp_ctx): Extend defaultmap array by one.
3319 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
3320 (omp_notice_variable): Update type classification for Fortran.
3321 (gimplify_scan_omp_clauses): Update calls for new argument; handle
3322 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
3323 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
3324 * langhooks.c (lhd_omp_scalar_p): Likewise.
3325 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
3326 (LANG_HOOKS_DECLS): Add them.
3327 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
3328 omp_scalar_p pointer type to include the new bool argument.
3330 2021-06-15 David Malcolm <dmalcolm@redhat.com>
3333 (Special Functions for Debugging the Analyzer): Add
3334 __analyzer_dump_capacity.
3336 2021-06-15 Jakub Jelinek <jakub@redhat.com>
3339 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
3340 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
3342 2021-06-15 Richard Biener <rguenther@suse.de>
3344 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
3345 check to identify loop latches.
3346 * cfgloop.c (verify_loop_structure): Likewise.
3347 * loop-init.c (apply_loop_flags): Allow marked irreducible
3348 regions even with multiple latches.
3349 * predict.c (rebuild_frequencies): Simplify.
3351 2021-06-15 Richard Biener <rguenther@suse.de>
3353 * tree-ssa-threadupdate.c
3354 (jump_thread_path_registry::mark_threaded_blocks): Assert we
3355 have marked irreducible regions.
3357 2021-06-14 Martin Sebor <msebor@redhat.com>
3360 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
3361 Handle calls to placement new.
3362 (ndecl_dealloc_argno): Avoid placement delete.
3364 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
3367 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
3368 create_tmp_reg_or_ssa_name().
3370 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
3372 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
3373 (ranger_cache::enable_new_values): Set to specified value and
3374 return the old value.
3375 (ranger_cache::disable_new_values): Delete.
3376 (ranger_cache::fill_block_cache): Disable non 1st order derived
3378 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
3379 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
3381 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
3384 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
3385 Return true early when testing with V2HImode.
3386 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
3388 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
3390 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
3391 (mve_vec_unpack<US>_hi_<mode>): New pattern.
3392 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
3393 (mve_vmovntq_<supf><mode>): Prefix with '@'.
3394 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
3396 (vec_unpack<US>_lo_<mode>): Likewise.
3397 (vec_pack_trunc_<mode>): Rename to
3398 neon_quad_vec_pack_trunc_<mode>.
3399 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
3401 (vec_unpack<US>_lo_<mode>): New.
3402 (vec_pack_trunc_<mode>): New.
3404 2021-06-14 Richard Biener <rguenther@suse.de>
3406 PR tree-optimization/100934
3407 * tree-ssa-dom.c (pass_dominator::execute): Properly
3408 mark irreducible regions.
3410 2021-06-14 Martin Liska <mliska@suse.cz>
3412 * doc/invoke.texi: Put r{...} on the same line as @item.
3414 2021-06-14 Martin Liska <mliska@suse.cz>
3416 * doc/invoke.texi: Add missing newline.
3418 2021-06-14 Martin Liska <mliska@suse.cz>
3420 * doc/invoke.texi: Remove '+' charasters.
3422 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
3424 * config.gcc (arc): Add support for with_cpu option.
3425 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
3427 2021-06-14 Richard Biener <rguenther@suse.de>
3429 PR tree-optimization/101031
3430 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
3431 instead of size when accounting for a possibly string
3434 2021-06-14 Martin Liska <mliska@suse.cz>
3436 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
3438 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
3440 * value-query.cc (gimple_range_global): Call get_range_global
3441 if called after inlining.
3443 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
3446 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
3447 Emit constant permutation insn directly from here.
3449 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
3451 * attribs.c (find_attribute_namespace): Iterate over vec<> with
3453 * auto-profile.c (afdo_find_equiv_class): Likewise.
3454 * gcc.c (do_specs_vec): Likewise.
3455 (do_spec_1): Likewise.
3456 (driver::set_up_specs): Likewise.
3457 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
3458 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
3459 (imm_store_chain_info::try_coalesce_bswap): Likewise.
3460 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
3461 (get_location_for_stmts): Likewise.
3462 * graphite-poly.c (print_iteration_domains): Likewise.
3463 (free_poly_bb): Likewise.
3464 (remove_gbbs_in_scop): Likewise.
3465 (free_scop): Likewise.
3466 (dump_gbb_cases): Likewise.
3467 (dump_gbb_conditions): Likewise.
3468 (print_pdrs): Likewise.
3469 (print_scop): Likewise.
3470 * ifcvt.c (cond_move_process_if_block): Likewise.
3471 * lower-subreg.c (decompose_multiword_subregs): Likewise.
3472 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
3473 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
3474 * sel-sched-dump.c (dump_insn_vector): Likewise.
3475 * store-motion.c (store_ops_ok): Likewise.
3476 (store_killed_in_insn): Likewise.
3477 * timevar.c (timer::named_items::print): Likewise.
3478 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
3479 (cleanup_tree_cfg_noloop): Likewise.
3480 * tree-data-ref.c (dump_data_references): Likewise.
3481 (print_dir_vectors): Likewise.
3482 (print_dist_vectors): Likewise.
3483 (dump_data_dependence_relations): Likewise.
3484 (dump_dist_dir_vectors): Likewise.
3485 (dump_ddrs): Likewise.
3486 (create_runtime_alias_checks): Likewise.
3487 (free_subscripts): Likewise.
3488 (save_dist_v): Likewise.
3489 (save_dir_v): Likewise.
3490 (invariant_access_functions): Likewise.
3491 (same_access_functions): Likewise.
3492 (access_functions_are_affine_or_constant_p): Likewise.
3493 (find_data_references_in_stmt): Likewise.
3494 (graphite_find_data_references_in_stmt): Likewise.
3495 (free_dependence_relations): Likewise.
3496 (free_data_refs): Likewise.
3497 * tree-inline.c (copy_debug_stmts): Likewise.
3498 * tree-into-ssa.c (dump_currdefs): Likewise.
3499 (rewrite_update_phi_arguments): Likewise.
3500 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
3501 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
3503 (vect_slp_analyze_node_dependences): Likewise.
3504 (vect_slp_analyze_instance_dependence): Likewise.
3505 (vect_record_base_alignments): Likewise.
3506 (vect_get_peeling_costs_all_drs): Likewise.
3507 (vect_peeling_supportable): Likewise.
3508 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
3509 (vec_info::free_stmt_vec_infos): Likewise.
3511 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
3513 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
3514 (andqi3_1<cczn>): Removed.
3515 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
3516 (H8/SX bit logicals): Split out from other patterns.
3517 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
3518 mulqihi3_const_clobber_flags.
3519 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
3521 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
3524 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
3525 to true if red zone is used.
3526 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
3528 * config/i386/i386.h (machine_function): Add red_zone_used.
3529 (ix86_red_zone_size): Removed.
3530 (ix86_red_zone_used): New.
3531 * config/i386/i386.md (peephole2 patterns): Replace
3532 ix86_red_zone_size with ix86_red_zone_used.
3534 2021-06-12 Jason Merrill <jason@redhat.com>
3536 * doc/extend.texi (unused variable attribute): Applies to
3537 structure fields as well.
3539 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
3541 * auto-profile.c (read_profile): fix a typo in an error string
3543 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
3545 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
3547 * tree-pretty-print.c (dump_omp_clauses): Update.
3548 (dump_generic_node) <OMP_CLAUSE>: Use it.
3550 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
3553 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
3554 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
3555 the polymorphic variants matching code.
3556 (__arm_vld1q_z): Likewise.
3557 (__arm_vld2q): Likewise.
3558 (__arm_vld4q): Likewise.
3559 (__arm_vldrbq_gather_offset): Likewise.
3560 (__arm_vldrbq_gather_offset_z): Likewise.
3562 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
3564 PR tree-optimization/96392
3565 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
3567 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
3569 PR tree-optimization/96392
3570 * fold-const.c (fold_real_zero_addition_p): Take both arguments
3571 of the addition or subtraction, not just the zero. Use this
3572 other argument in tests for signaling NaNs and signed zeros.
3573 (tree_expr_maybe_real_minus_zero_p): New predicate.
3574 * fold-const.h (fold_real_zero_addition_p): Update prototype.
3575 (tree_expr_maybe_real_minus_zero_p): New function prototype.
3576 * match.pd: Update calls to fold_real_zero_addition_p.
3577 Replace HONOR_NANS with tree_expr_maybe_nan_p.
3578 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
3579 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
3580 * tree-ssa-reassoc.c (eliminate_using_constants): Update
3581 call to fold_real_zero_addition_p.
3583 2021-06-11 Richard Biener <rguenther@suse.de>
3585 PR tree-optimization/101025
3586 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
3587 all refs that require dependence checking.
3589 2021-06-11 Richard Biener <rguenther@suse.de>
3591 PR tree-optimization/101028
3592 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
3593 reassoc discovery fails fatally, mark appropriate lanes
3596 2021-06-11 Richard Biener <rguenther@suse.de>
3598 PR tree-optimization/101026
3599 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
3600 have a representative for the associated chain nodes.
3602 2021-06-11 Jakub Jelinek <jakub@redhat.com>
3604 PR rtl-optimization/101008
3605 * simplify-rtx.c (relational_result): New function.
3606 (simplify_logical_relational_operation,
3607 simplify_relational_operation): Use it.
3609 2021-06-11 Jakub Jelinek <jakub@redhat.com>
3612 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
3614 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
3617 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
3618 false if the permutation can be implemented with constant
3619 permutation instruction in wider mode.
3620 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
3621 Handle V8QImode and V4HImode.
3623 2021-06-11 Martin Liska <mliska@suse.cz>
3625 PR gcov-profile/100788
3626 * common.opt: Add new option.
3627 * coverage.c (coverage_begin_function): Emit warning instead on
3628 the internal compiler error.
3629 * doc/invoke.texi: Document the option.
3630 * toplev.c (process_options): Enable it by default.
3632 2021-06-11 Richard Biener <rguenther@suse.de>
3634 PR middle-end/101009
3635 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
3636 to set *init_b to true when we encounter a constant equal
3638 (compute_affine_dependence): Also dump the actual DR_REF.
3640 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
3642 PR tree-optimization/100984
3643 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
3645 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
3647 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
3649 * config/rs6000/rs6000.md
3650 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
3651 define_insn_and_split.
3653 2021-06-11 Richard Biener <rguenther@suse.de>
3655 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
3656 to sort operands of the associative chain.
3658 2021-06-11 Richard Biener <rguenther@suse.de>
3660 * system.h (gcc_stablesort_r): Declare.
3661 * sort.cc (gcc_sort_r): Support stable sort.
3662 (gcc_stablesort_r): Define.
3663 * vec.h (vec<>::stablesort): Add.
3665 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
3668 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
3669 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
3670 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
3671 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
3672 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
3673 (expand_vec_perm_interleave2): Handle 64bit modes.
3674 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
3675 (expand_vec_perm_even_odd_1): Ditto.
3676 (ix86_vectorize_vec_perm_const): Ditto.
3677 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
3678 * config/i386/sse.md: ... here.
3679 * config/i386/mmx.md (*vec_interleave_lowv2sf):
3680 New insn_and_split pattern.
3681 (*vec_interleave_highv2sf): Ditto.
3682 (mmx_pshufbv8qi3): New insn pattern.
3683 (*mmx_pblendw): Ditto.
3685 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
3687 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
3688 (build_acc): Likewise.
3689 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
3690 source operands in little-endian mode.
3691 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
3692 (mma_init_builtins): Likewise.
3693 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
3694 ordering for the MMA assemble and build source operands.
3695 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
3697 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
3700 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
3702 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
3704 * config/h8300/extensions.md: Replace _clobber_flags patterns
3707 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
3709 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
3710 (vcond_mask_<mode><tointvec>): this.
3712 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
3713 Thomas Schwinge <thomas@codesourcery.com>
3715 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
3716 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
3717 * gimple.h (enum gf_mask): Split
3718 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
3719 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
3720 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
3721 (is_gimple_omp_oacc): Update.
3722 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
3723 * gimplify.c (gimplify_omp_target_update): Likewise.
3724 * omp-expand.c (expand_omp_target, build_omp_regions_1)
3725 (omp_make_gimple_edges): Likewise.
3726 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
3729 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
3731 * value-query.cc (value_query::value_on_edge): Rename name to
3733 (range_query::range_on_edge): Same.
3734 (range_query::value_of_expr): Same.
3735 (range_query::value_on_edge): Same.
3736 * value-query.h (class value_query): Same.
3737 (class range_query): Same.
3739 2021-06-10 Richard Biener <rguenther@suse.de>
3741 PR tree-optimization/101003
3742 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
3743 use the pattern stmt defs when linearizing a chain.
3745 2021-06-10 Jakub Jelinek <jakub@redhat.com>
3748 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
3749 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
3751 2021-06-10 Clement Chigot <clement.chigot@atos.net>
3753 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
3754 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
3756 2021-06-09 Andrew Pinski <apinski@marvell.com>
3758 PR tree-optimization/100925
3759 * match.pd (a ? CST1 : CST2): Limit transformations
3760 that would produce a negative to integeral types only.
3761 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
3763 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3766 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3768 * doc/tm.texi: Correctly update.
3770 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3772 * doc/tm.texi: Correctly update.
3774 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
3777 * doc/tm.texi.in (Trampolines): Add a missing blank line.
3779 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
3782 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
3783 and -ftrampolines work only with Ada.
3784 * doc/tm.texi.in (Trampolines): Likewise.
3785 * doc/tm.texi: Regenerated.
3787 2021-06-09 Carl Love <cel@us.ibm.com>
3789 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
3790 Add define for new builtins.
3791 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
3792 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
3793 overloaded builtin definitions.
3794 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
3795 VSIGNEXTSD2Q): Add builtin expansions.
3796 (SIGNEXT): Add P10 overload definition.
3797 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
3798 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
3799 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
3800 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
3801 vsignextend_si_v2di)[VIlong]: Add define_expand.
3802 Make define_insn vsx_sign_extend_si_v2di visible.
3803 * doc/extend.texi: Add documentation for the vec_signexti,
3804 vec_signextll builtins and vec_signextq.
3806 2021-06-09 Carl Love <cel@us.ibm.com>
3808 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
3809 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
3810 __floattikf_sw, __floatuntikf_sw respectively.
3811 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
3812 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
3813 define_insn for mode IEEE 128.
3815 2021-06-09 Carl Love <cel@us.ibm.com>
3817 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
3818 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
3819 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
3820 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
3821 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
3822 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
3823 uses of VSX_TI to VEC_TI.
3825 2021-06-09 Carl Love <cel@us.ibm.com>
3827 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
3829 2021-06-09 Carl Love <cel@us.ibm.com>
3831 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
3833 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
3834 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
3835 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
3836 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
3837 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
3838 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
3839 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
3841 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
3842 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
3843 altivec_vrlqnm): New define_expands.
3844 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
3845 VCMPGTUT_P): Add macro expansions.
3846 (BU_P10V_AV_P): Add builtin predicate definition.
3847 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
3848 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
3849 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
3850 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
3851 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
3852 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
3853 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
3854 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
3855 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
3856 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
3857 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
3858 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
3859 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
3860 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
3861 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
3862 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
3863 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
3864 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
3865 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
3866 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
3867 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
3868 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
3869 P10V_BUILTIN_MODU_V1TI):
3870 New overloaded definitions.
3871 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
3872 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
3873 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
3874 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
3875 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
3876 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
3878 (altivec_init_builtins): New E_V1TImode case statement.
3879 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
3880 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
3881 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
3882 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
3883 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
3884 E_V1TImode]: New case statements.
3885 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
3886 value RS6000_BTI_bool_V1TI.
3887 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
3888 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
3889 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
3890 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
3891 vlshrv1ti3, vashrv1ti3): New define_expands.
3892 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
3893 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
3894 UNSPEC_VSX_MODUQ): New unspecs.
3895 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
3896 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
3898 (vcmpnet): New define_expand.
3899 * doc/extend.texi: Add documentation for the new builtins vec_rl,
3900 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
3901 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
3902 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
3903 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
3904 vec_any_ge, vec_any_le.
3906 2021-06-09 Carl Love <cel@us.ibm.com>
3908 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
3909 bug in argument generation.
3911 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
3913 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
3915 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
3916 remove <supf> iterator.
3917 (mve_vclzq_u<mode>): New.
3918 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
3919 (neon_vclz<mode): Move to ...
3920 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
3921 * config/arm/vec-common.md: ... here. Add support for MVE.
3923 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
3925 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
3926 (@mve_vrhaddq_<supf><mode): Likewise.
3927 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
3928 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
3929 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
3931 2021-06-09 imba-tjd <109224573@qq.com>
3933 * doc/invoke.texi: Fix typo.
3935 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
3938 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
3939 Support evaluation of fmod/fmodf/fmodl at compile-time.
3941 2021-06-09 Richard Biener <rguenther@suse.de>
3943 PR tree-optimization/100981
3944 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
3945 gimple_get_lhs to also handle calls.
3946 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
3949 2021-06-09 Richard Biener <rguenther@suse.de>
3951 PR tree-optimization/97832
3952 * tree-vectorizer.h (_slp_tree::failed): New.
3953 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
3955 (_slp_tree::~_slp_tree): Free failed.
3956 (vect_build_slp_tree): Retain failed nodes and record
3957 matches in them, copying that back out when running
3958 into a cached fail. Dump start and end of discovery.
3960 (vect_build_slp_tree_2): Handle associatable chains
3961 together doing more aggressive operand swapping.
3963 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
3966 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
3968 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
3969 Linux and GNU targets.
3971 2021-06-09 Richard Biener <rguenther@suse.de>
3973 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
3976 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3978 * config/arc/arc.md (loop_end): Change it to
3979 define_insn_and_split.
3981 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3983 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
3984 (machi): New pattern.
3985 (umaddhisi4): Use VMAC2HU instruction.
3986 (umachi): New pattern.
3988 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3990 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
3991 * config/arc/arc.c (arc_split_move_p): New function.
3992 (arc_split_move): Clean up.
3993 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
3994 (movdf_insn): Likewise.
3995 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
3997 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
4000 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
4001 argument to "raw". Do not emit segment overrides when "raw" is true.
4003 2021-06-09 Martin Liska <mliska@suse.cz>
4005 * doc/gcov.texi: Create a proper JSON files.
4006 * doc/invoke.texi: Remove dots in order to make it a valid
4009 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
4011 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
4012 (insn_is_load_p): Use pattern_is_rotate64.
4013 (insn_is_swap_p): Likewise.
4014 (quad_aligned_load_p): Likewise.
4015 (const_load_sequence_p): Likewise.
4016 (replace_swapped_aligned_load): Likewise.
4017 (recombine_lvx_pattern): Likewise.
4018 (recombine_stvx_pattern): Likewise.
4020 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
4022 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
4023 fur_stmt source record.
4024 * gimple-range.cc (fur_source::get_operand): Generic range query.
4025 (fur_source::get_phi_operand): New.
4026 (fur_source::register_dependency): New.
4027 (fur_source::query): New.
4028 (class fur_edge): New. Edge source for operands.
4029 (fur_edge::fur_edge): New.
4030 (fur_edge::get_operand): New.
4031 (fur_edge::get_phi_operand): New.
4032 (fur_edge::query): New.
4033 (fur_stmt::fur_stmt): New.
4034 (fur_stmt::get_operand): New.
4035 (fur_stmt::get_phi_operand): New.
4036 (fur_stmt::query): New.
4037 (class fur_depend): New. Statement source and process dependencies.
4038 (fur_depend::fur_depend): New.
4039 (fur_depend::register_dependency): New.
4040 (class fur_list): New. List source for operands.
4041 (fur_list::fur_list): New.
4042 (fur_list::get_operand): New.
4043 (fur_list::get_phi_operand): New.
4044 (fold_range): New. Instantiate appropriate fur_source class and fold.
4045 (fold_using_range::range_of_range_op): Use new API.
4046 (fold_using_range::range_of_address): Ditto.
4047 (fold_using_range::range_of_phi): Ditto.
4048 (imple_ranger::fold_range_internal): Use fur_depend class.
4049 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
4050 * gimple-range.h (class fur_source): Now a base class.
4051 (class fur_stmt): New.
4052 (fold_range): New prototypes.
4053 (fur_source::fur_source): Delete.
4055 2021-06-08 Andrew Pinski <apinski@marvell.com>
4057 PR tree-optimization/25290
4058 * tree-ssa-phiopt.c (xor_replacement): Delete.
4059 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
4060 (match_simplify_replacement): Allow one cheap preparation
4061 statement that can be moved to before the if.
4063 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
4065 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
4066 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
4068 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
4070 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
4071 Create length attribute on define_insn_and_split. Only split for cases which we
4073 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
4074 fix length computation.
4075 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
4077 2021-06-08 Richard Biener <rguenther@suse.de>
4079 PR tree-optimization/100923
4080 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
4081 the operand vector to be valueized.
4082 (valueize_refs): Likewise.
4083 (valueize_shared_reference_ops_from_ref): Adjust.
4084 (valueize_shared_reference_ops_from_call): Likewise.
4085 (vn_reference_lookup_3): Likewise.
4086 (vn_reference_lookup_pieces): Likewise. Re-valueize
4087 with honoring availability when we are about to create
4088 the ao_ref and valueized before.
4089 (vn_reference_lookup): Likewise.
4090 (vn_reference_insert_pieces): Adjust.
4092 2021-06-08 Richard Biener <rguenther@suse.de>
4094 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
4095 (_slp_instance::root_stmts): ... a vector.
4096 (SLP_INSTANCE_ROOT_STMT): Rename to ...
4097 (SLP_INSTANCE_ROOT_STMTS): ... this.
4098 (slp_root::root): Change to...
4099 (slp_root::roots): ... a vector.
4100 (slp_root::slp_root): Adjust.
4101 * tree-vect-slp.c (_slp_instance::location): Adjust.
4102 (vect_free_slp_instance): Release the root stmt vector.
4103 (vect_build_slp_instance): Adjust.
4104 (vect_analyze_slp): Likewise.
4105 (_bb_vec_info::~_bb_vec_info): Likewise.
4106 (vect_slp_analyze_operations): Likewise.
4107 (vect_bb_vectorization_profitable_p): Likewise. Adjust
4108 costs for the root stmt.
4109 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
4111 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
4113 (vectorize_slp_instance_root_stmt): Adjust.
4114 (vect_schedule_slp): Likewise.
4116 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
4118 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
4119 (ssa_equiv_stack::ssa_equiv_stack): New.
4120 (ssa_equiv_stack::~ssa_equiv_stack): New.
4121 (ssa_equiv_stack::enter): New.
4122 (ssa_equiv_stack::leave): New.
4123 (ssa_equiv_stack::push_replacement): New.
4124 (ssa_equiv_stack::get_replacement): New.
4125 (is_pointer_ssa): New.
4126 (class pointer_equiv_analyzer): New.
4127 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
4128 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
4129 (pointer_equiv_analyzer::set_global_equiv): New.
4130 (pointer_equiv_analyzer::set_cond_equiv): New.
4131 (pointer_equiv_analyzer::get_equiv): New.
4132 (pointer_equiv_analyzer::enter): New.
4133 (pointer_equiv_analyzer::leave): New.
4134 (pointer_equiv_analyzer::get_equiv_expr): New.
4135 (pta_valueize): New.
4136 (pointer_equiv_analyzer::visit_stmt): New.
4137 (pointer_equiv_analyzer::visit_edge): New.
4138 (hybrid_folder::value_of_expr): Call PTA.
4139 (hybrid_folder::value_on_edge): Same.
4140 (hybrid_folder::pre_fold_bb): New.
4141 (hybrid_folder::post_fold_bb): New.
4142 (hybrid_folder::pre_fold_stmt): New.
4143 (rvrp_folder::pre_fold_bb): New.
4144 (rvrp_folder::post_fold_bb): New.
4145 (rvrp_folder::pre_fold_stmt): New.
4146 (rvrp_folder::value_of_expr): Call PTA.
4147 (rvrp_folder::value_on_edge): Same.
4149 2021-06-08 Jakub Jelinek <jakub@redhat.com>
4152 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
4153 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
4155 2021-06-08 Richard Biener <rguenther@suse.de>
4157 PR middle-end/100951
4158 * tree-vect-generic.c (expand_vector_piecewise): Build a
4159 VECTOR_CST if all elements are constant.
4160 (expand_vector_condition): Likewise.
4161 (lower_vec_perm): Likewise.
4162 (expand_vector_conversion): Likewise.
4164 2021-06-08 Martin Liska <mliska@suse.cz>
4166 * doc/invoke.texi: Document new param evrp-sparse-threshold.
4168 2021-06-08 Martin Liska <mliska@suse.cz>
4170 * genautomata.c (create_automata): Fix typo.
4172 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
4174 PR tree-optimization/100794
4175 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
4176 allow_unroll_p and only allow unrolling when it's true.
4177 (tree_predictive_commoning): Add parameter allow_unroll_p and
4179 (run_tree_predictive_commoning): Likewise.
4180 (pass_predcom::gate): Check flag_tree_loop_vectorize and
4181 global_options_set.x_flag_predictive_commoning.
4182 (pass_predcom::execute): Adjust for allow_unroll_p.
4184 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
4186 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
4187 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
4188 lambda function cleanup, remove scev_reset call, and adjust return
4190 (tree_predictive_commoning): Adjust for different changed values,
4191 only set flag TODO_update_ssa_only_virtuals if changed.
4192 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
4193 from todo_flags_finish.
4195 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
4197 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
4198 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
4199 (sbr_sparse_bitmap::bitmap_set_quad): New.
4200 (sbr_sparse_bitmap::bitmap_get_quad): New.
4201 (sbr_sparse_bitmap::set_bb_range): New.
4202 (sbr_sparse_bitmap::get_bb_range): New.
4203 (sbr_sparse_bitmap::bb_range_p): New.
4204 (block_range_cache::block_range_cache): initialize bitmap obstack.
4205 (block_range_cache::~block_range_cache): Destruct obstack.
4206 (block_range_cache::set_bb_range): Decide when to utilze the
4207 sparse on entry cache.
4208 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
4209 * params.opt (-param=evrp-sparse-threshold): New.
4211 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
4213 * bitmap.c (bitmap_set_aligned_chunk): New.
4214 (bitmap_get_aligned_chunk): New.
4215 (test_aligned_chunk): New.
4216 (bitmap_c_tests): Call test_aligned_chunk.
4217 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
4219 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
4222 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
4224 (ix86_expand_vector_init_one_nonzero): Ditto.
4225 (ix86_expand_vector_init_one_var): Ditto.
4226 (ix86_expand_vector_init_general): Ditto.
4227 * config/i386/mmx.md (vec_initv4qiqi): New expander.
4229 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
4231 * config/h8300/movepush.md: Change most _clobber_flags
4232 patterns to instead use <cczn> subst.
4233 (movsi_cczn): New pattern with usable CC cases split out.
4234 (movsi_h8sx_cczn): Likewise.
4236 2021-06-07 Martin Liska <mliska@suse.cz>
4238 * common/common-target.def: Split long lines and replace them
4240 * target.def: Likewise.
4241 * doc/tm.texi: Re-generated.
4243 2021-06-07 Jakub Jelinek <jakub@redhat.com>
4246 * fold-const.c (fold_read_from_vector): Return NULL if trying to
4247 read from a CONSTRUCTOR with vector type elements.
4249 2021-06-07 Jakub Jelinek <jakub@redhat.com>
4251 PR middle-end/100898
4252 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
4253 should copy any arguments. Don't call gimple_call_num_args
4254 on id->call_stmt or call_stmt more than once.
4256 2021-06-07 liuhongt <hongtao.liu@intel.com>
4259 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
4261 (<insn>v4siv4di2): Delete constraints for define_expand.
4263 2021-06-07 liuhongt <hongtao.liu@intel.com>
4266 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
4267 assignment of cfun->machine->has_explicit_vzeroupper.
4268 * config/i386/i386-features.c
4269 (ix86_add_reg_usage_to_vzerouppers): Delete.
4270 (ix86_add_reg_usage_to_vzeroupper): Ditto.
4271 (rest_of_handle_insert_vzeroupper): Remove
4272 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
4274 (gate): Remove cfun->machine->has_explicit_vzeroupper.
4275 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
4277 * config/i386/i386.c (ix86_insn_callee_abi): New function.
4278 (ix86_initialize_callee_abi): Ditto.
4279 (ix86_expand_avx_vzeroupper): Ditto.
4280 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
4282 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
4283 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
4285 * config/i386/i386.h (struct GTY(()) machine_function): Delete
4286 has_explicit_vzeroupper.
4287 * config/i386/i386.md (enum unspec): New member
4289 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
4290 define_constants for insn callee abi index.
4291 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
4292 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
4293 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
4294 (*avx_vzeroupper): Rename to ..
4295 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
4296 call_insn which has a special vzeroupper ABI.
4297 (*avx_vzeroupper_1): Deleted.
4299 2021-06-07 liuhongt <hongtao.liu@intel.com>
4302 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
4303 it won't use stack pointer reg.
4304 * final.c (leaf_function_p): When call_insn is a fake call, it
4305 won't affect caller as a leaf function.
4306 * reg-stack.c (callee_clobbers_any_stack_reg): New.
4307 (subst_stack_regs): When call_insn doesn't clobber any stack
4308 reg, don't clear the arguments.
4309 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
4311 * shrink-wrap.c (requires_stack_frame_p): No need for stack
4312 frame for a fake call.
4313 * rtl.h (FAKE_CALL_P): New macro.
4315 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
4317 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
4319 (sparc_order_regs_for_local_alloc): ...this.
4320 (sparc_leaf_reg_remap): Declare.
4321 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
4322 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
4323 * config/sparc/sparc.c (leaf_reg_remap): Delete.
4324 (order_regs_for_local_alloc): Rename to...
4325 (sparc_order_regs_for_local_alloc): ...this.
4326 (sparc_leaf_reg_remap): New function.
4327 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
4329 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
4331 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
4332 Use assemble_name to output BSS section name.
4334 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
4336 * config/i386/constraints.md (Bs):
4337 Remove boolean operators from match_test RTX.
4340 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
4343 2021-06-06 Martin Liska <mliska@suse.cz>
4345 * doc/extend.texi: Add missing @headitem.
4346 * doc/invoke.texi: Likewise.
4347 * doc/objc.texi: Likewise.
4349 2021-06-06 Martin Liska <mliska@suse.cz>
4351 * genhooks.c (emit_findices): Remove unused function.
4352 (emit_documentation): Do not call emit_findices
4353 and do not search for @Fcode directives.
4355 2021-06-06 Martin Liska <mliska@suse.cz>
4357 * doc/invoke.texi: Remove extra character.
4359 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4361 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
4363 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4365 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
4366 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
4367 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
4368 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
4370 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4372 * config/or1k/or1k.md (*movdi): Fix empty split condition.
4374 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4376 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
4379 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4381 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
4382 *zero_extendsidi2): Fix empty split condition.
4384 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
4386 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
4388 * config/h8300/bitfield.md: Likewise.
4389 * config/h8300/combiner.md: Likewise.
4390 * config/h8300/divmod.md: Likewise.
4391 * config/h8300/extensions.md: Likewise.
4392 * config/h8300/jumpcall.md: Likewise.
4393 * config/h8300/movepush.md: Likewise.
4394 * config/h8300/multiply.md: Likewise.
4395 * config/h8300/other.md: Likewise.
4396 * config/h8300/shiftrotate.md: Likewise.
4397 * config/h8300/logical.md: Likewise. Fix split pattern to use
4398 code iterator that somehow slipped through.
4400 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
4402 PR middle-end/100905
4403 * tree-nested.c (convert_nonlocal_omp_clauses,
4404 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
4406 2021-06-04 Martin Sebor <msebor@redhat.com>
4408 PR middle-end/100732
4409 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
4410 with either source or destination argument of invalid type.
4411 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
4412 calls with arguments of invalid type.
4414 2021-06-04 Martin Sebor <msebor@redhat.com>
4416 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
4418 (attr_access::vla_bounds): Also handle VLA bounds.
4420 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
4422 * config/i386/predicates.md (GOT_memory_operand):
4423 Implement using match_code RTXes.
4424 (GOT32_symbol_operand): Ditto.
4426 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
4429 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
4431 (ix86_expand_vector_init_general): Ditto.
4432 Use SImode instead of word_mode for logic operations
4433 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
4434 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
4435 implemented by expand_vec_perm_1.
4436 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
4437 should be implemented using standard shuffle patterns.
4438 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
4439 V2HI modes to modes, implementable with shuffle for one operand.
4440 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
4441 (*pshufw_1): New insn pattern.
4442 (*vec_dupv2hi): Ditto.
4443 (vec_initv2hihi): New expander.
4445 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
4447 * config/arm/vfp.md (no_literal_pool_df_immediate,
4448 no_literal_pool_sf_immediate): Fix empty split condition.
4450 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
4452 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
4453 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
4454 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
4455 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
4456 *<sse4_1_avx2>_pblendvb_lt): Likewise.
4458 2021-06-04 Jakub Jelinek <jakub@redhat.com>
4461 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
4462 concatenation from half-sized modes with TImode elements.
4464 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
4466 * config/arc/arc.c (arc_override_options): Disable millicode
4467 thunks when RF16 is on.
4469 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
4471 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
4473 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
4475 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
4476 Replace PROMOTE_MODE marco with its content.
4478 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
4480 * config/cris/cris.md (*addi_reload): Fix empty split condition.
4482 2021-06-03 Jim Wilson <jimw@sifive.com>
4484 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
4485 turn it on for all riscv targets.
4487 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
4490 * config/i386/i386-expand.c (ix86_expand_vector_set):
4491 Handle V2HI and V4QI modes.
4492 (ix86_expand_vector_extract): Ditto.
4493 * config/i386/mmx.md (*pinsrw): New insn pattern.
4496 (*pextrw_zext): Ditto.
4498 (*pextrb_zext): Ditto.
4499 (vec_setv2hi): New expander.
4500 (vec_extractv2hihi): Ditto.
4501 (vec_setv4qi): Ditto.
4502 (vec_extractv4qiqi): Ditto.
4503 (vec_setv8qi): Enable only for TARGET_SSE4_1.
4504 (vec_extractv8qiqi): Ditto.
4506 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
4508 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
4509 order to subf instruction.
4510 * config/rs6000/fusion.md: Regenerate.
4512 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4514 * calls.c (get_size_range): Use range_of_expr instead of
4515 determine_value_range.
4516 * tree-affine.c (expr_to_aff_combination): Same.
4517 * tree-data-ref.c (split_constant_offset): Same.
4518 * tree-vrp.c (determine_value_range_1): Remove.
4519 (determine_value_range): Remove.
4520 * tree-vrp.h (determine_value_range): Remove.
4522 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4524 * function-tests.c (test_ranges): Call gimple_range_tests.
4525 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
4527 * gimple-range.cc (fur_source::get_operand): Do not call
4528 get_tree_range or gimple_range_global.
4530 (get_tree_range): Move to value-query.cc.
4531 Call get_arith_expr_range.
4532 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
4533 Include gimple-range-tests.cc.
4534 * gimple-range.h (fold_range): Add argument.
4535 (get_tree_range): Remove.
4536 * selftest.h (gimple_range_tests): New.
4537 * value-query.cc (global_range_query::range_of_expr): Add
4539 (range_query::get_tree_range): Move from gimple-range.cc.
4540 * value-query.h (class range_query): Add get_tree_range and
4541 get_arith_expr_range. Make fur_source a friend.
4542 * vr-values.c (vr_values::range_of_expr): Pass stmt to
4544 * gimple-range-tests.cc: New file.
4546 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4548 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
4549 update_global_range.
4550 * value-query.cc (update_global_range): New.
4551 * value-query.h (update_global_range): New.
4553 2021-06-03 David Malcolm <dmalcolm@redhat.com>
4555 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
4556 printing the same location twice if there are fix-it hints,
4557 multiple locations, or a label.
4559 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
4561 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
4562 thresholds to narrow the upper bound on epilogue iterations.
4564 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
4566 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
4567 (mve_vabsq_s<mode>): Likewise.
4568 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
4569 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
4570 * config/arm/vec-common.md (neg<mode>2): Rename to
4571 <absneg_str><mode>2.
4573 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
4575 * common/config/arc/arc-common.c (arc_option_optimization_table):
4577 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
4578 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
4579 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
4580 * config/arc/arc.md (abssi2_mixed): Remove pattern.
4581 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
4582 (malign-call): Likewise.
4583 (mmixed-code): Likewise.
4584 * doc/invoke.texi (ARC): Update doc.
4586 2021-06-03 Martin Liska <mliska@suse.cz>
4588 * common.opt: Use proper Enum values.
4589 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
4590 (parse_sanitizer_options): Handle only sanitizer_opts.
4591 (common_handle_option): Just assign value.
4593 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4596 * tree-inline.c (inline_forbidden_p): Remove test on return type.
4598 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4600 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
4601 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
4602 (type_byte_size): Inline into...
4603 (add_byte_size_attribute): ...this and call add_scalar_info.
4605 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4607 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
4608 (typed_binop_from_tree): New function.
4609 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
4610 turn a divide by a power of 2 into a shift.
4611 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
4612 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
4613 typed divide by calling typed_binop_from_tree.
4615 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4617 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
4618 (is_handled_procedure_type): Likewise.
4619 (struct loc_descr_context): Add strict_signedness field.
4620 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
4621 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
4622 (resolve_args_picking): Minor tweak.
4623 (function_to_dwarf_procedure): Initialize strict_signedness field.
4624 (type_byte_size): Likewise.
4625 (field_byte_offset): Likewise.
4626 (gen_descr_array_type_die): Likewise.
4627 (gen_variant_part): Likewise.
4628 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
4629 to true when a context is present before evaluating the arguments.
4630 <COND_EXPR>: Do not generate a useless comparison with zero.
4631 When dereferencing an address, if strict_signedness is true and the
4632 type is small and signed, use DW_OP_deref_type to do the dereference
4633 and then DW_OP_convert to convert back to the generic type.
4635 2021-06-03 Jakub Jelinek <jakub@redhat.com>
4638 * tree-inline.c (copy_tree_body_r): Handle iterators on
4639 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
4641 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
4643 * config/arc/arc.md (*bbit_di): Remove.
4645 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
4647 PR rtl-optimization/100264
4648 * ree.c (get_sub_rtx): Ignore SET expressions without register
4649 destinations and remove assertion, as it is not valid anymore
4650 with this new behaviour.
4651 (merge_def_and_ext): Eliminate destination check for register
4652 as such SET expressions can't occur anymore.
4653 (combine_reaching_defs): Likewise.
4655 2021-06-02 Jakub Jelinek <jakub@redhat.com>
4658 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
4659 -Wtype-limits warnings.
4660 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
4661 in operands to avoid -Wsign-compare warnings.
4663 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
4665 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
4668 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
4670 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
4672 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
4674 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
4676 * config/s390/subst.md(cconly_subst): Use a single constraint
4679 2021-06-02 Martin Liska <mliska@suse.cz>
4681 * ipa-icf.h: Use auto_vec for memory_access_types.
4683 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
4685 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
4686 argument from prototype.
4687 (output_logical_op): Add rtx_code argument.
4688 (compute_logical_op_length): Likewise.
4689 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
4690 to compute_a_shift_length.
4691 (output_logical_op); New argument with the rtx code rather than
4692 extracting it from an operand. Handle QImode too.
4693 (compute_logical_op_length): Similary.
4694 (compute_a_shift_length): Drop unused argument.
4695 * config/h8300/h8300.md (logicals): New code iterator.
4696 * config/h8300/logical.md (<code><mode>3 expander): Combine
4697 the "and" expander with the "ior"/"xor" expander.
4698 (bclr<mode>msx): Combine the QI/HI mode patterns.
4699 (<logical><mode>3 insns): Use code iterator rather than match_operator.
4700 Handle QImode as well. Update call to output_logical_op and
4701 compute_logical_op_length to pass in rtx_code
4702 Fix split condition on all define_insn_and_split patterns.
4703 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
4704 the flags and setting ZN via existing define_subst.
4705 * config/h8300/shiftrotate.md: Drop unused argument from
4706 calls to compute_a_shift_length.
4707 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
4709 2021-06-01 Andrew Pinski <apinski@marvell.com>
4711 PR tree-optimization/25290
4712 * tree-ssa-phiopt.c (match_simplify_replacement):
4714 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
4715 (two_value_replacement): Change the comment about
4716 conditional_replacement.
4717 (conditional_replacement): Delete.
4719 2021-06-01 Andrew Pinski <apinski@marvell.com>
4721 PR tree-optimization/95481
4722 * tree-tailcall.c (find_tail_calls): Handle empty typed
4725 2021-06-01 Andrew Pinski <apinski@marvell.com>
4727 * gimplify.c (zero_sized_field_decl): Delete
4728 (zero_sized_type): Delete
4729 (gimplify_init_ctor_eval): Use is_empty_type instead
4730 of zero_sized_field_decl.
4731 (gimplify_modify_expr): Use is_empty_type instead of
4734 2021-06-01 Jason Merrill <jason@redhat.com>
4737 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
4739 2021-06-01 Jason Merrill <jason@redhat.com>
4742 * diagnostic.h (warning_enabled_at): Declare.
4743 * diagnostic.c (diagnostic_enabled): Factor out from...
4744 (diagnostic_report_diagnostic): ...here.
4745 (warning_enabled_at): New.
4747 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
4749 * gimple-ssa-evrp.c: Enable exporting of global ranges.
4751 2021-06-01 Martin Liska <mliska@suse.cz>
4754 * doc/invoke.texi: Mention that -fgcse-after-reload
4755 is enabled with -O3.
4757 2021-06-01 liuhongt <hongtao.liu@intel.com>
4759 PR tree-optimization/98365
4760 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
4761 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
4762 (convert_scalar_cond_reduction): Ditto.
4763 (predicate_scalar_phi): Ditto.
4765 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4767 PR tree-optimization/100781
4768 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
4769 value calculation by default.
4770 (ranger_cache::enable_new_values): New.
4771 (ranger_cache::disable_new_values): New.
4772 (ranger_cache::push_poor_value): Check if new values are allowed.
4773 * gimple-range-cache.h (class ranger_cache): New member/methods.
4774 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
4775 statement, and disable/renable new value calculation.
4777 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4779 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
4780 (ranger_cache::range_of_def): New.
4781 (ranger_cache::entry_range): New.
4782 (ranger_cache::exit_range): New.
4783 (ranger_cache::range_of_expr): Adjust.
4784 (ranger_cache::range_on_edge): Adjust.
4785 (ranger_cache::propagate_cache): Call exit_range directly.
4786 * gimple-range-cache.h (class ranger_cache): Adjust.
4788 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4790 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
4791 gori_compute being a member rather than base class.
4792 dervied call to member call.
4793 (ranger_cache::dump): No longer dump gori_map.
4794 (ranger_cache::dump_bb): New.
4795 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
4796 being a member rather than base class.
4797 (ranger_cache::set_global_range): Ditto.
4798 (ranger_cache::ssa_range_in_bb): Ditto.
4799 (ranger_cache::range_of_expr): New.
4800 (ranger_cache::range_on_edge): New.
4801 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
4802 (ranger_cache::propagate_cache): Adjust debugging output.
4803 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
4805 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
4806 member, and inherit from range_query instead.
4807 (ranger_cache::dump_bb): New. split from dump.
4808 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
4809 (gori_compute::expr_range_at_stmt): Delete.
4810 (gori_compute::compute_name_range_op): Delete.
4811 (gori_compute::compute_operand_range_switch): Add fur_source.
4812 (gori_compute::compute_operand_range): Add fur_source param, inline
4813 old compute_name_range_op and optimize_logical_operands.
4814 (struct tf_range): Delete.
4815 (gori_compute::logical_combine): Adjust
4816 (gori_compute::optimize_logical_operands): Delete.
4817 (gori_compute::compute_logical_operands_in_chain): Delete.
4818 (gori_compute::compute_logical_operands): Adjust.
4819 (gori_compute::compute_operand1_range): Adjust to fur_source.
4820 (gori_compute::compute_operand2_range): Ditto.
4821 (gori_compute::compute_operand1_and_operand2_range): Ditto.
4822 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
4823 and adjust to fur_source.
4824 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
4825 range_query and fur_source.
4826 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
4827 from the ranger_cache..
4828 (gimple_ranger::fold_range_internal): Adjust to base class change of
4830 (gimple_ranger::dump_bb): Adjust dump.
4831 * gimple-range.h (gimple_ranger):export gori computes object.
4833 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4835 PR tree-optimization/100774
4836 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
4837 Constant values are also not stale.
4838 (ranger_cache::set_global_range): Range invariant values should also
4839 have the correct timestamp.
4841 2021-05-31 Martin Liska <mliska@suse.cz>
4843 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
4844 Unpack FUNCTION_DECL_DECL_TYPE.
4845 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
4846 Stream FUNCTION_DECL_DECL_TYPE instead of
4847 DECL_IS_OPERATOR_NEW_P.
4848 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
4850 (DECL_IS_OPERATOR_NEW_P): Likewise.
4851 (DECL_IS_OPERATOR_DELETE_P): Likewise.
4852 (DECL_LAMBDA_FUNCTION_P): Likewise.
4854 2021-05-31 Richard Biener <rguenther@suse.de>
4857 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
4858 * internal-fn.def (SHUFFLEVECTOR): New.
4859 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
4860 * doc/extend.texi: Document __builtin_shufflevector.
4862 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
4865 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
4866 indexed form addresses.
4868 2021-05-29 Jeff Law <jlaw@tachyum.com>
4870 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
4871 parameter. Call callers fixed.
4873 (output_plussi): Add FALLTHRU markers.
4874 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
4876 2021-05-29 Jakub Jelinek <jakub@redhat.com>
4879 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
4880 combined with parallel, make sure to add shared clause to
4881 parallel for explicit linear clause.
4883 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
4885 PR tree-optimization/100787
4886 * gimple-ssa-evrp.c: Disable exporting of global ranges.
4888 2021-05-28 Jason Merrill <jason@redhat.com>
4890 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
4891 operator--, operator*, operator==, and operator!=.
4892 (class tsi_range): New.
4894 2021-05-28 Richard Biener <rguenther@suse.de>
4896 PR tree-optimization/100778
4897 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
4898 trapping ops in different BBs.
4900 2021-05-28 Richard Biener <rguenther@suse.de>
4903 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
4904 copy fntype from original call.
4906 2021-05-28 Martin Liska <mliska@suse.cz>
4908 PR gcov-profile/100751
4909 * doc/gcov.texi: Revert partially a hunk that was wrong.
4911 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
4913 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
4915 (HAVE_sync_compare_and_swaphi): Likewise.
4916 (HAVE_sync_compare_and_swapsi): Likewise.
4918 2021-05-28 Jakub Jelinek <jakub@redhat.com>
4921 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
4923 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
4925 * gimplify.c (gimplify_omp_affinity): New.
4926 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
4927 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
4928 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
4929 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
4930 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
4932 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
4933 Richard Biener <rguenther@suse.de>
4935 * match.pd <popcount & / + pattern matching>:
4936 When generating popcount directly fails, try doing it in two halves.
4938 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
4940 * Makefile.in (generated_files): Add gimple-match.c and
4943 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
4945 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
4947 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
4949 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
4951 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
4953 PR tree-optimization/99398
4954 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
4955 where the fed operands are CTOR/CST and propagated through
4956 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
4957 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
4959 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
4962 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
4964 * config/i386/mmx.md (addv2sf3): Do not call
4965 ix86_fixup_binary_operands_no_copy.
4968 (<smaxmin:code>v2sf3): Ditto.
4969 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
4970 (<plusminus:insn><VI_32:mode>3): Remove expander.
4971 (<plusminus:insn><VI_32:mode>3): Rename from
4972 "*<plusminus:insn><VI_32:mode>3".
4973 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
4974 (mulv2hi3): Remove expander.
4975 (mulv2hi3): Rename from *mulv2hi3.
4976 (<s>mulv2hi3_highpart): Remove expander.
4977 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
4978 (<smaxmin:code><MMXMODE14:mode>3): Rename from
4979 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
4980 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
4981 (SMAXMIN_MMXMODEI): Remove mode iterator.
4982 (<smaxmin:code>v4hi3): New expander.
4983 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
4984 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
4985 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
4986 (SMAXMIN_VI_32): Remove mode iterator.
4987 (<umaxmin:code><MMXMODE24:mode>3): Rename from
4988 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
4989 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
4990 (UMAXMIN_MMXMODEI): Remove mode iterator.
4991 (<umaxmin:code>v8qi3): New expander.
4992 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
4993 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
4994 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
4995 (UMAXMIN_VI_32): Remove mode iterator.
4996 (<any_shift:insn>v2hi3): Remove expander.
4997 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
4998 (<any_logic:code><MMXMODEI:mode>3): Do not call
4999 ix86_fixup_binary_operands_no_copy.
5000 (<any_logic:code><VI_32:mode>3): Remove expander.
5001 (<any_logic:code><VI_32:mode>3): Rename from
5002 "*<any_logic:code><VI_32:mode>3".
5003 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
5004 * config/i386/sse.md (div<VF2:mode>3): Do not call
5005 ix86_fixup_binary_operands_no_copy.
5006 (div<VF1:mode>3): Ditto.
5007 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
5008 (smulhrsv4hi3): Ditto.
5009 (smulhrsv2hi3): Ditto.
5011 2021-05-27 Martin Sebor <msebor@redhat.com>
5013 * ggc.h (gt_ggc_mx): Add overloads for all integers.
5015 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
5017 (hash_map::operator==): New function.
5019 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
5022 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
5023 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
5024 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
5025 (*xop_maskcmp<VI_32:mode>3): Ditto.
5026 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
5027 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
5029 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
5032 * config/arm/arm.c (arm_configure_build_target): Remove parameter
5033 opts_set, directly check opts parameters for being non-null.
5034 (arm_option_restore): Update call to arm_configure_build_target.
5035 (arm_option_override): Likewise.
5036 (arm_can_inline_p): Likewise.
5037 (arm_valid_target_attribute_tree): Likewise.
5038 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
5039 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
5042 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
5044 * vr-values.c (simplify_conversion_using_ranges): Use
5045 get_range_query instead of get_global_range_query.
5047 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
5049 * gimple-range.cc (get_range_global): Move to value-query.cc.
5050 (gimple_range_global): Same.
5051 (get_global_range_query): Same.
5052 (global_range_query::range_of_expr): Same.
5053 * gimple-range.h (class global_range_query): Move to
5055 (gimple_range_global): Same.
5056 * tree-ssanames.c (get_range_info): Move to value-query.cc.
5057 (get_ptr_nonnull): Same.
5058 * tree-ssanames.h (get_range_info): Remove.
5059 (get_ptr_nonnull): Remove.
5060 * value-query.cc (get_ssa_name_range_info): Move from
5062 (get_ssa_name_ptr_info_nonnull): Same.
5063 (get_range_global): Move from gimple-range.cc.
5064 (gimple_range_global): Same.
5065 (get_global_range_query): Same.
5066 (global_range_query::range_of_expr): Same.
5067 * value-query.h (class global_range_query): Move from
5069 (gimple_range_global): Same.
5071 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
5074 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
5075 (uavgv2hi3_ceil): Ditto.
5077 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
5080 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
5082 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5084 * tree-ssanames.c (get_range_info): Merge both copies of
5085 get_range_info into one that works with irange.
5086 * tree-ssanames.h (get_range_info): Remove version that works on
5089 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5091 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
5092 (expand_builtin_strnlen): Same.
5093 (determine_block_size): Same.
5094 * fold-const.c (expr_not_equal_to): Same.
5095 * gimple-fold.c (size_must_be_zero_p): Same.
5096 * gimple-match-head.c: Include gimple-range.h.
5097 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
5098 * gimple-ssa-warn-restrict.c
5099 (builtin_memref::extend_offset_range): Same.
5100 * graphite-sese-to-poly.c (add_param_constraints): Same.
5101 * internal-fn.c (get_min_precision): Same.
5102 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
5103 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
5105 * tree-data-ref.c (split_constant_offset): Same.
5106 (dr_step_indicator): Same.
5107 * tree-dfa.c (get_ref_base_and_extent): Same.
5108 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
5109 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
5110 (determine_value_range): Same.
5111 (record_nonwrapping_iv): Same.
5112 (infer_loop_bounds_from_signedness): Same.
5113 (scev_var_range_cant_overflow): Same.
5114 * tree-ssa-phiopt.c (two_value_replacement): Same.
5115 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
5116 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
5117 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
5119 (dump_strlen_info): Same.
5120 (set_strlen_range): Same.
5121 (maybe_diag_stxncpy_trunc): Same.
5122 (get_len_or_size): Same.
5123 (handle_integral_assign): Same.
5124 * tree-ssa-structalias.c (find_what_p_points_to): Same.
5125 * tree-ssa-uninit.c (find_var_cmp_const): Same.
5126 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
5127 * tree-vect-patterns.c (vect_get_range_info): Same.
5128 (vect_recog_divmod_pattern): Same.
5129 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
5130 (register_edge_assert_for_2): Same.
5131 (determine_value_range_1): Same.
5132 * tree.c (get_range_pos_neg): Same.
5133 * vr-values.c (vr_values::get_lattice_entry): Same.
5134 (vr_values::update_value_range): Same.
5135 (simplify_conversion_using_ranges): Same.
5137 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5139 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
5140 get_range_query instead of query argument.
5141 (pass_walloca::execute): Enable and disable global ranger.
5143 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5145 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
5147 (rvrp_folder::~rvrp_folder): Call disable_ranger.
5148 (hybrid_folder::hybrid_folder): Call enable_ranger.
5149 (hybrid_folder::~hybrid_folder): Call disable_ranger.
5151 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
5153 * function.c (allocate_struct_function): Set cfun->x_range_query.
5154 * function.h (struct function): Declare x_range_query.
5155 (get_range_query): New.
5156 (get_global_range_query): New.
5157 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
5158 Remove call to safe_grow_cleared.
5159 * gimple-range.cc (get_range_global): New.
5160 (gimple_range_global): Move from gimple-range.h.
5161 (get_global_range_query): New.
5162 (global_range_query::range_of_expr): New.
5163 (enable_ranger): New.
5164 (disable_ranger): New.
5165 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
5166 (class global_range_query): New.
5167 (enable_ranger): New.
5168 (disable_ranger): New.
5169 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
5170 dump_all_value_ranges to dump.
5171 * tree-vrp.c (vrp_prop::finalize): Same.
5172 * value-query.cc (range_query::dump): New.
5173 * value-query.h (range_query::dump): New.
5174 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
5175 (vr_values::dump): ...this.
5176 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
5177 dump and make virtual.
5179 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
5181 * config/i386/i386.c (ix86_autovectorize_vector_modes):
5182 Add V4QImode and V16QImode for TARGET_SSE2.
5183 * doc/sourcebuild.texi (Vector-specific attributes):
5184 Add vect64 and vect32 description.
5186 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
5188 * gimple-range-gori.cc (range_def_chain::register_dependency):
5189 Resize m_def_chain when needed.
5191 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
5193 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
5194 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
5195 * config/arm/vec-common.md: .. here. Add support for MVE.
5197 2021-05-26 Jakub Jelinek <jakub@redhat.com>
5199 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
5201 * config/microblaze/microblaze.c (microblaze_legitimize_address,
5203 microblaze_option_override, print_operand): Likewise.
5204 * config/microblaze/microblaze.md (call_internal_plt,
5205 call_value_intern_plt, call_value_intern): Likewise.
5206 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
5207 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
5208 call_value_multiple_internal1): Likewise.
5209 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
5211 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5213 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
5214 arc_ccfsm_advance, symbolic_reference_mentioned_p,
5215 arc_raw_symbolic_reference_mentioned_p): Remove register
5218 2021-05-26 Jakub Jelinek <jakub@redhat.com>
5221 * omp-low.c: Include omp-offload.h.
5222 (create_omp_child_function): If current_function_decl has
5223 "omp declare target" attribute and is_gimple_omp_offloaded,
5224 remove that attribute from the copy of attribute list and
5225 add "omp target entrypoint" attribute instead.
5226 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
5227 variables for offloading if in omp_maybe_offloaded_ctx.
5228 * omp-offload.c (pass_omp_target_link::execute): Nullify second
5229 argument to GOMP_target_data_ext in offloaded code.
5231 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5233 * config/csky/csky.c (csky_can_change_mode_class): Delete.
5234 For csky, HF/SF mode use the low bits of VREGS.
5236 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
5238 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
5239 DECL which is a reference for OMP.
5241 2021-05-26 Martin Liska <mliska@suse.cz>
5243 PR gcov-profile/100751
5244 * doc/gcov.texi: Document that __gcov_dump can be called just
5245 once and that __gcov_reset resets run-time counters.
5247 2021-05-26 Martin Liska <mliska@suse.cz>
5249 * doc/install.texi: Port relevant part from install-old.texi
5250 and re-generate list of CPUs and systems.
5252 2021-05-26 Martin Liska <mliska@suse.cz>
5254 * Makefile.in: Remove it.
5255 * doc/include/fdl.texi: Update next/previous chapters.
5256 * doc/install.texi: Likewise.
5257 * doc/install-old.texi: Removed.
5259 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5261 * config/csky/csky.c (ck810_legitimate_index_p): Support
5262 "base + index" with DF mode.
5263 * config/csky/constraints.md ("Y"): New constraint for memory operands
5264 without index register.
5265 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
5266 when mov between memory and general registers, and lower their priority.
5267 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
5269 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5271 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
5273 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5275 * config/csky/csky.md (untyped_call): Emit clobber for return
5276 registers to mark them used.
5278 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5280 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
5282 2021-05-26 Andrew Pinski <apinski@marvell.com>
5284 * match.pd (x < 0 ? ~y : y): New patterns.
5286 2021-05-26 Andrew Pinski <apinski@marvell.com>
5288 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
5289 A?POW2:0 and A?0:POW2.
5291 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5293 * gimple-range-gori.cc (class logical_stmt_cache): Delete
5294 (logical_stmt_cache::logical_stmt_cache ): Delete.
5295 (logical_stmt_cache::~logical_stmt_cache): Delete.
5296 (logical_stmt_cache::cache_entry::dump): Delete.
5297 (logical_stmt_cache::get_range): Delete.
5298 (logical_stmt_cache::cached_name ): Delete.
5299 (logical_stmt_cache::same_cached_name): Delete.
5300 (logical_stmt_cache::cacheable_p): Delete.
5301 (logical_stmt_cache::slot_diagnostics ): Delete.
5302 (logical_stmt_cache::dump): Delete.
5303 (gori_compute_cache::gori_compute_cache): Delete.
5304 (gori_compute_cache::~gori_compute_cache): Delete.
5305 (gori_compute_cache::compute_operand_range): Delete.
5306 (gori_compute_cache::cache_stmt): Delete.
5307 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
5309 (class gori_compute_cache): Delete.
5311 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5313 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
5315 (fold_using_range::range_of_address): Adjust.
5316 (fold_using_range::range_of_phi): Adjust.
5317 * gimple-range.h (class fur_source): Adjust.
5318 (fur_source::fur_source): Adjust.
5320 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5322 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
5323 from expr_range_in_bb and adjust.
5324 (gori_compute::compute_name_range_op): Adjust.
5325 (gori_compute::optimize_logical_operands): Adjust.
5326 (gori_compute::compute_logical_operands_in_chain): Adjust.
5327 (gori_compute::compute_operand1_range): Adjust.
5328 (gori_compute::compute_operand2_range): Adjust.
5329 (ori_compute_cache::cache_stmt): Adjust.
5330 * gimple-range-gori.h (gori_compute): Rename prototype.
5332 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5334 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
5335 checked only after range_of_stmt, not range_on_entry.
5336 (gimple_ranger::range_on_entry): Check for non-null in any
5337 predecessor block, if it is not already non-null.
5338 (gimple_ranger::range_on_exit): DOnt check for non-null after
5339 range on entry call.
5340 (gimple_ranger::dump_bb): New. Split from dump.
5341 (gimple_ranger::dump): Adjust.
5342 * gimple-range.h (class gimple_ranger): Adjust.
5344 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5346 * gimple-range-cache.cc (struct range_timestamp): Delete.
5347 (class temporal_cache): Adjust.
5348 (temporal_cache::get_timestamp): Delete.
5349 (temporal_cache::set_dependency): Delete.
5350 (temporal_cache::temporal_value): Adjust.
5351 (temporal_cache::current_p): Take dependencies as params.
5352 (temporal_cache::set_timestamp): Adjust.
5353 (temporal_cache::set_always_current): Adjust.
5354 (ranger_cache::get_non_stale_global_range): Adjust.
5355 (ranger_cache::register_dependency): Delete.
5356 * gimple-range-cache.h (class range_cache): Adjust.
5358 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5360 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
5362 (range_def_chain::~range_def_chain): Dispose of obstack rather than
5363 each individual bitmap.
5364 (range_def_chain::set_import): New.
5365 (range_def_chain::get_imports): New.
5366 (range_def_chain::chain_import_p): New.
5367 (range_def_chain::register_dependency): Rename from build_def_chain
5369 (range_def_chain::def_chain_in_bitmap_p): New.
5370 (range_def_chain::add_def_chain_to_bitmap): New.
5371 (range_def_chain::has_def_chain): Just check first depenedence.
5372 (range_def_chain::get_def_chain): Process imports, use generic
5373 register_dependency routine.
5374 (range_def_chain::dump): New.
5375 (gori_map::gori_map): Allocate import list.
5376 (gori_map::~gori_map): Release imports.
5377 (gori_map::exports): Check for past allocated block size.
5378 (gori_map::imports): New.
5379 (gori_map::def_chain_in_export_p): Delete.
5380 (gori_map::is_import_p): New.
5381 (gori_map::maybe_add_gori): Handle imports.
5382 (gori_map::dump): Adjust output, add imports.
5383 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
5384 (gori_export_iterator::gori_export_iterator): New.
5385 (gori_export_iterator::next): New.
5386 (gori_export_iterator::get_name): New.
5387 * gimple-range-gori.h (range_def_chain): Add imports and direct
5388 dependecies via struct rdc.
5389 (range_def_chain::depend1): New.
5390 (range_def_chain::depend2): New.
5391 (class gori_map): Adjust.
5392 (FOR_EACH_GORI_IMPORT_NAME): New.
5393 (FOR_EACH_GORI_EXPORT_NAME): New.
5394 (class gori_export_iterator): New.
5396 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5398 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
5399 export cache filling to here.
5400 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
5402 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5404 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
5405 (gori_map): Move to gimple-range-gori.h.
5406 (gori_compute::gori_compute): Adjust.
5407 (gori_compute::~gori_compute): Delete.
5408 (gori_compute::compute_operand_range_switch): Adjust.
5409 (gori_compute::compute_operand_range): Adjust.
5410 (gori_compute::compute_logical_operands): Adjust.
5411 (gori_compute::has_edge_range_p ): Adjust.
5412 (gori_compute::set_range_invariant): Delete.
5413 (gori_compute::dump): Adjust.
5414 (gori_compute::outgoing_edge_range_p): Adjust.
5415 * gimple-range-gori.h (class range_def_chain): Relocate here.
5416 (class gori_map): Relocate here.
5417 (class gori_compute): Inherit from gori_map, and adjust.
5419 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
5421 * value-range.cc (range_tests_legacy): Use
5422 build_nonstandard_integer_type instead of int and short.
5424 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
5426 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
5427 when really creating an initialization statement for it.
5429 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
5431 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
5433 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
5435 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
5437 2021-05-25 Martin Liska <mliska@suse.cz>
5439 PR tree-optimization/92860
5441 * optc-save-gen.awk: Remove exceptions.
5443 2021-05-25 Martin Liska <mliska@suse.cz>
5445 * asan.h (sanitize_coverage_p): New function.
5446 * doc/extend.texi: Document it.
5447 * fold-const.c (fold_range_test): Use sanitize_flags_p
5448 instead of flag_sanitize_coverage.
5449 (fold_truth_andor): Likewise.
5450 * sancov.c: Likewise.
5451 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
5452 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
5453 -fsanitize-coverage when inlining.
5455 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
5457 * config/csky/csky-modes.def : Fix copyright.
5459 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
5461 * config/csky/csky-modes.def : Amend copyright.
5462 * config/csky/csky_insn_fpuv2.md : Likewise.
5463 * config/csky/csky_insn_fpuv3.md : Likewise.
5465 2021-05-25 Richard Biener <rguenther@suse.de>
5467 PR middle-end/100727
5468 * calls.c (initialize_argument_information): Explicitely test
5470 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
5472 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5474 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
5475 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
5476 the signle definition. The signle definition may not work well
5477 at simplify_subreg_regno().
5478 (HARD_FRAME_POINTER_REGNUM): New.
5479 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
5480 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
5481 csky_initial_elimination_offset, csky_expand_prologue,
5482 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
5484 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5486 * config/csky/csky.c (csky_option_override):
5487 Init csky_arch_isa_features[] in advance, so TARGET_DSP
5488 and TARGET_DIV can be set well.
5490 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5492 * config/csky/constraints.md ("l", "h"): Delete.
5493 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
5494 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
5495 * config/csky/csky.c (regno_reg_classm,
5496 csky_secondary_reload, csky_register_move_cost):
5497 Use HILO_REGS instead of LO_REGS and HI_REGS.
5499 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5501 * config/csky/constraints.md ("W"): New constriant for mem operand
5502 with base reg, index register.
5503 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
5504 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
5506 ("Dv"): New constraint for const double value that can be used at
5508 * config/csky/csky-modes.def (HFmode): New mode.
5509 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
5510 to "csky_valid_mem_constraint_operand" and support new constraint
5512 (csky_get_movedouble_length): New.
5513 (fpuv3_output_move): New.
5514 (fpuv3_const_double): New.
5515 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
5516 (decompose_csky_address): Refine.
5517 (csky_print_operand): New "CONST_DOUBLE" operand.
5518 (csky_output_move): Support fpv3 instructions.
5519 (csky_get_movedouble_length): New.
5520 (fpuv3_output_move): New.
5521 (fpuv3_const_double): New.
5522 (csky_emit_compare): Cover float comparsion.
5523 (csky_emit_compare_float): Refine.
5524 (csky_vaild_fpuv2_mem_operand): Rename to
5525 "csky_valid_mem_constraint_operand" and support new constraint "W".
5526 (ck860_rtx_costs): New.
5527 (csky_rtx_costs): Add the cost calculation of CK860.
5528 (regno_reg_class): New vregs for fpuv3.
5529 (csky_dbx_regno): Likewise.
5530 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
5531 (csky_conditional_register_usage): Suporrot fpuv3.
5532 (csky_dwarf_register_span): Suporrot fpuv3.
5533 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
5534 (ck810_legitimate_index_p): Support fp16.
5535 * config/csky/csky.h (TARGET_TLS): ADD CK860.
5536 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
5537 (TARGET_SINGLE_FPU): Support fpuv3.
5538 (TARGET_SUPPORT_FPV3): New.
5539 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
5540 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
5541 REG_CLASS_CONTENTS): Support fpuv3.
5542 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
5543 (csky_movsf_fpv2): Likewise.
5544 (ck801_movsf): Likewise.
5545 (csky_movsf): Likewise.
5547 (csky_movdf_fpv2): Likewise.
5548 (ck801_movdf): Likewise.
5549 (csky_movdf): Likewise.
5550 (movsicc): Refine. Use "comparison_operatior" instead of
5551 "ordered_comparison_operatior".
5552 (addsicc): Likewise.
5553 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
5554 (call_value_internal_vh): New.
5555 * config/csky/csky_cores.def (CK860): New arch and cpu.
5560 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
5561 into emit-patterns and match-patterns, remain the emit-patterns here,
5562 and move the match-patterns to csky_insn_fpuv2.md or
5564 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
5565 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
5567 * config/csky/csky_isa.def (fcr): New.
5572 (CK860): New definition for ck860.
5573 * config/csky/csky_tables.opt (ck860): New processors ck860,
5574 ck860f. And new arch ck860.
5579 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
5580 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
5581 * config/csky/t-csky-elf: Support 860.
5582 * config/csky/t-csky-linux: Likewise.
5583 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
5585 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
5587 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
5588 add generation of logical-add and add-logical fusion pairs.
5589 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
5591 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
5592 logical-add and add-logical fusion by default.
5593 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
5594 -mpower10-fusion-add-logical options.
5595 * config/rs6000/fusion.md: Regenerate file.
5597 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
5599 * value-range.cc (irange::legacy_equal_p): Check type when
5600 comparing VR_VARYING types.
5601 (range_tests_legacy): Test comparing VARYING ranges of different
5604 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
5606 * config/aarch64/aarch64.c (neoversen1_tunings):
5607 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
5609 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
5611 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
5612 extern weak symbols. Limit symbol offsets for non-GOT symbols with
5615 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
5617 * config/arm/neon.md (vec_load_lanesxi<mode>)
5618 (vec_store_lanexoi<mode>): Move ...
5619 * config/arm/vec-common.md: here.
5621 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
5623 * config/arm/neon.md (vec_load_lanesoi<mode>)
5624 (vec_store_lanesoi<mode>): Move ...
5625 * config/arm/vec-common.md: here.
5627 2021-05-24 liuhongt <hongtao.liu@intel.com>
5630 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
5631 stmt with GIMPLE_NOP when lhs doesn't exist.
5633 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
5636 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
5637 New instruction pattern.
5638 (*push<VI_32:mode>2): Ditto.
5639 (push splitter for SSE registers): New splitter.
5641 2021-05-23 Andrew Pinski <apinski@marvell.com>
5643 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
5645 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
5647 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
5648 * config/rs6000/fusion.md: Regenerate file.
5650 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
5652 * config/rs6000/genfusion.pl (gen_addadd): New function.
5653 * config/rs6000/fusion.md: Regenerate file.
5654 * config/rs6000/rs6000-cpus.def: Add
5655 OPTION_MASK_P10_FUSION_2ADD to masks.
5656 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5657 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
5658 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
5660 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5663 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
5664 * gimplify.c (enum gimplify_omp_var_data): Fix up
5665 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
5666 (omp_lastprivate_for_combined_outer_constructs): If combined target
5667 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
5668 GOVD_MAP | GOVD_SEEN.
5669 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
5670 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
5671 (gimplify_adjust_omp_clauses): For firstprivate clauses with
5672 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
5673 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
5674 let it be replaced by implicit map clause.
5676 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5679 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
5681 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
5682 (gimplify_omp_for): Likewise.
5684 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5687 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
5688 'external' in blocks.
5690 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5693 * flag-types.h (enum openacc_privatization): New.
5694 * params.opt (-param=openacc-privatization): New.
5695 * doc/invoke.texi (openacc-privatization): Document it.
5696 * omp-general.h (get_openacc_privatization_dump_flags): New
5698 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
5699 * omp-offload.c (execute_oacc_device_lower)
5700 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
5701 * target.def (goacc.adjust_private_decl): Add 'location_t'
5703 * doc/tm.texi: Regenerate.
5704 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
5705 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
5706 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
5707 Likewise. Preserve it for...
5708 (nvptx_goacc_expand_var_decl): ... use here.
5710 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5712 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
5715 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5718 * omp-low.c (oacc_privatization_candidate_p): New function.
5719 (oacc_privatization_scan_clause_chain)
5720 (oacc_privatization_scan_decl_chain): Use it. Also
5721 'gcc_checking_assert' that we're not seeing duplicates.
5723 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5726 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
5729 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5732 * omp-offload.c (execute_oacc_device_lower): Explain.
5734 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5737 * omp-offload.c (execute_oacc_device_lower)
5738 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
5740 * internal-fn.c (expand_UNIQUE): Don't expect
5741 'IFN_UNIQUE_OACC_PRIVATE'.
5743 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5746 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
5748 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5751 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
5752 (nvptx_goacc_expand_var_decl): Tighten.
5754 2021-05-21 Julian Brown <julian@codesourcery.com>
5755 Chung-Lin Tang <cltang@codesourcery.com>
5756 Thomas Schwinge <thomas@codesourcery.com>
5759 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
5760 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
5761 * doc/tm.texi: Regenerate.
5762 * expr.c (expand_expr_real_1): Expand decls using the
5763 expand_var_decl OpenACC hook if defined.
5764 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
5765 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
5766 * omp-low.c (omp_context): Add oacc_privatization_candidates
5768 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
5770 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
5771 private marker's gimple call arguments, and pass it to
5772 lower_oacc_reductions.
5773 (oacc_privatization_scan_clause_chain)
5774 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
5776 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
5777 * omp-offload.c (convert.h): Include.
5778 (oacc_loop_xform_head_tail): Treat private-variable markers like
5779 fork/join when transforming head/tail sequences.
5780 (struct var_decl_rewrite_info): Add struct.
5781 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
5782 (execute_oacc_device_lower): Support rewriting gang-private
5783 variables using target hook, and fix up addr_expr and var_decl
5785 * target.def (adjust_private_decl, expand_var_decl): New hooks.
5786 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
5788 (gcn_goacc_adjust_private_decl): ...this.
5789 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
5791 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
5792 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
5793 definition using gcn_goacc_adjust_gangprivate_decl...
5794 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
5795 gcn_goacc_adjust_private_decl.
5796 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
5797 (gang_private_shared_size): New global variable.
5798 (gang_private_shared_align): Likewise.
5799 (gang_private_shared_sym): Likewise.
5800 (gang_private_shared_hmap): Likewise.
5801 (nvptx_option_override): Initialize these.
5802 (nvptx_file_end): Output gang_private_shared_sym.
5803 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
5805 (nvptx_set_current_function): Clear gang_private_shared_hmap.
5806 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
5807 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
5809 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
5811 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
5813 2021-05-21 Richard Biener <rguenther@suse.de>
5814 H.J. Lu <hjl.tools@gmail.com>
5817 * expr.c (expand_constructor): Elide expand_constructor if
5818 move by pieces is preferred.
5820 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5822 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
5823 Take a flag and mode value as arguments.
5824 (aarch64_modifies_global_state_p): Likewise.
5825 (aarch64_reads_global_state_p): Likewise.
5826 (aarch64_could_trap_p): Likewise.
5827 (aarch64_get_attributes): Likewise.
5828 (aarch64_init_simd_builtins): Adjust callsite of above.
5829 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
5830 function attributes to apply to builtins.
5831 (aarch64_init_crc32_builtins): Likewise.
5832 (aarch64_init_builtin_rsqrt): Likewise.
5834 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
5836 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
5837 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
5838 (gen_2logical): Use new fusion types.
5839 * config/rs6000/fusion.md: Regenerate.
5841 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
5844 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
5845 Handle V4QI and V2HI modes.
5846 (ix86_expand_sse_movcc): Ditto.
5847 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
5848 New instruction pattern.
5849 (*eq<VI_32:mode>3): Ditto.
5850 (*gt<VI_32:mode>3): Ditto.
5851 (*xop_pcmov_<VI_32:mode>): Ditto.
5852 (mmx_pblendvb32): Ditto.
5853 (mmx_pblendvb64): Rename from mmx_pblendvb.
5854 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
5855 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
5856 (vcond<VI_32:mode><VI_32:mode>): Ditto.
5857 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
5858 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
5860 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5862 PR tree-optimization/94589
5863 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
5864 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
5865 not the same as cmp3) treat <= the same as < and >= the same as >.
5866 Don't require that cond2_phi_edge is true edge, instead take
5867 false/true edges into account based on cmp1/cmp2 comparison kinds.
5869 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
5872 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
5873 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
5874 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
5875 using SMAXMIN_MMXMODEI mode iterator.
5876 (*<smaxmin:code>v4qi3): New insn pattern.
5877 (*<smaxmin:code>v2hi3): Ditto.
5878 (SMAXMIN_VI_32): New mode iterator.
5879 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
5880 (UMAXMIN_MMXMODEI): New mode iterator.
5881 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
5882 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
5883 using UMAXMIN_MMXMODEI mode iterator.
5884 (*<umaxmin:code>v4qi3): New insn pattern.
5885 (*<umaxmin:code>v2hi3): Ditto.
5886 (UMAXMIN_VI_32): New mode iterator.
5887 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
5888 (abs<VI_32:mode>2): New insn pattern.
5889 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
5890 * config/i386/sse.md: ... here.
5892 2021-05-20 Clement Chigot <clement.chigot@atos.net>
5893 David Edelsohn <dje.gcc@gmail.com>
5895 * collect2.c (scan_prog_file): Issue non-fatal warning for
5898 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
5900 * doc/invoke.texi (-Wno-c++11-extensions)
5901 (-Wno-c++14-extensions, -Wno-c++17-extensions)
5902 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
5905 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
5907 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
5908 * config/darwin.c (darwin_override_options): Likewise.
5909 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
5910 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
5911 (DWARF2_FRAME_REG_OUT): Likewise.
5912 * config/mips/mips.c (mips_output_filename): Likewise.
5913 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
5915 (rs6000_dbx_register_number): Likewise.
5916 * dbxout.c: Include flags.h.
5917 * dwarf2cfi.c (cfi_label_required_p): Likewise.
5918 (dwarf2out_do_frame): Likewise.
5919 * except.c: Include flags.h.
5920 * final.c (dwarf2_debug_info_emitted_p): Likewise.
5921 (final_scan_insn_1): Likewise.
5922 * flags.h (dwarf_debuginfo_p): New function declaration.
5923 * opts.c (dwarf_debuginfo_p): New function definition.
5924 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
5925 * toplev.c (process_options): Likewise.
5927 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
5929 * common.opt: Change type to support bitmasks.
5930 * flag-types.h (enum debug_info_type): Rename enumerator constants.
5931 (NO_DEBUG): New bitmask.
5932 (DBX_DEBUG): Likewise.
5933 (DWARF2_DEBUG): Likewise.
5934 (XCOFF_DEBUG): Likewise.
5935 (VMS_DEBUG): Likewise.
5936 (VMS_AND_DWARF2_DEBUG): Likewise.
5937 * flags.h (debug_set_to_format): New function declaration.
5938 (debug_set_count): Likewise.
5939 (debug_set_names): Likewise.
5940 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
5941 (debug_set_to_format): New function definition.
5942 (debug_set_count): Likewise.
5943 (debug_set_names): Likewise.
5944 (set_debug_level): Update access to debug_type_names.
5945 * toplev.c: Likewise.
5947 2021-05-20 Martin Sebor <msebor@redhat.com>
5949 PR middle-end/100684
5950 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
5952 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
5955 * config/i386/i386.md (isa): Remove x64_bmi.
5956 (enabled): Remove x64_bmi.
5957 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
5958 Remove general register alternative.
5959 (*andnot<VI_32:mode>3): Ditto.
5960 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
5961 (*<any_logic:code><VI_32:mode>3): Ditto.
5963 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
5965 * config/arm/arm.c: Include head files tree-vectorizer.h and
5968 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
5971 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
5972 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
5973 (<s>mulv4hi3_highpart): New expander.
5974 (*<s>mulv2hi3_highpart): New insn pattern.
5975 (<s>mulv2hi3_higpart): New expander.
5976 (*<any_shift:insn>v2hi3): New insn pattern.
5977 (<any_shift:insn>v2hi3): New expander.
5978 * config/i386/sse.md (smulhrsv2hi3): New expander.
5979 (*smulhrsv2hi3): New insn pattern.
5981 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
5983 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
5985 * params.opt (vect-inner-loop-cost-factor): New.
5986 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
5987 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
5988 tree-vectorizer.h and its required ones.
5989 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
5990 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
5991 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
5992 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
5993 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
5994 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
5996 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
5997 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
5998 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
6000 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
6001 Torbjörn Svensson <torbjorn.svensson@st.com>
6004 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
6006 2021-05-20 Jakub Jelinek <jakub@redhat.com>
6009 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
6010 explicit linear clause when combined with target, make it map(tofrom:)
6011 instead of no clause or firstprivate.
6013 2021-05-20 Jakub Jelinek <jakub@redhat.com>
6015 PR tree-optimization/94589
6016 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
6017 of integral conversions.
6019 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
6021 * gimple-range.cc (fur_source::get_operand): New.
6022 (gimple_range_fold): Delete.
6023 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
6024 (fold_using_range::range_of_range_op): Move from gimple_ranger.
6025 (fold_using_range::range_of_address): Ditto.
6026 (fold_using_range::range_of_phi): Ditto.
6027 (fold_using_range::range_of_call): Ditto.
6028 (fold_using_range::range_of_builtin_ubsan_call): Move from
6029 range_of_builtin_ubsan_call.
6030 (fold_using_range::range_of_builtin_call): Move from
6031 range_of_builtin_call.
6032 (gimple_ranger::range_of_builtin_call): Delete.
6033 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
6034 (gimple_ranger::fold_range_internal): New.
6035 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
6036 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
6037 gimple_ranger. Improve ranges of SSA_NAMES when possible.
6038 * gimple-range.h (gimple_ranger): Remove various range_of routines.
6039 (class fur_source): New.
6040 (class fold_using_range): New.
6041 (fur_source::fur_source): New.
6043 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
6044 instead of range_of_builtin_call.
6046 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
6048 * doc/cpp.texi (Common Predefined Macros): Update documentation
6049 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
6051 2021-05-19 Alex Coplan <alex.coplan@arm.com>
6054 * config/arm/arm.md (nonsecure_call_internal): Always ensure
6055 callee's address is in a register.
6057 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
6059 * common/config/riscv/riscv-common.c
6060 (riscv_subset_list::parsing_subset_version): Properly parse the letter
6062 (riscv_subset_list::parse_std_ext,
6063 riscv_subset_list::parse_multiletter_ext): To handle errors generated
6064 in riscv_subset_list::parsing_subset_version.
6066 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6068 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
6069 type attribute in patterns generating XTN(2).
6071 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6073 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
6074 Remove as duplicate of...
6075 (aarch64_xtn<mode>): This.
6076 (aarch64_xtn2<mode>_le): Move position in file.
6077 (aarch64_xtn2<mode>_be): Move position in file.
6078 (aarch64_xtn2<mode>): Move position in file.
6079 (vec_pack_trunc_<mode>): Define as an expander.
6081 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6083 * config/aarch64/aarch64-simd-builtins.def: Split builtin
6084 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
6085 separate scalar and vector generators.
6086 * config/aarch64/aarch64-simd.md
6087 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
6089 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
6090 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
6091 * config/aarch64/iterators.md: Define SD_HSDI iterator.
6093 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
6095 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
6097 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
6099 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6101 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
6102 Implement as an expand emitting a big/little endian
6103 instruction pattern.
6104 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
6105 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
6107 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
6109 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
6110 Implement as an expand emitting a big/little endian
6111 instruction pattern.
6112 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
6113 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
6114 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
6115 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
6117 2021-05-19 Richard Biener <rguenther@suse.de>
6119 PR middle-end/100672
6120 * fold-const.c (fold_negate_expr_1): Use element_precision.
6121 (negate_expr_p): Likewise.
6123 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
6125 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
6126 (pred_load): New int attribute.
6127 * config/aarch64/aarch64-sve.md
6128 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
6129 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
6130 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
6131 code_for_aarch64_load.
6133 2021-05-19 Richard Biener <rguenther@suse.de>
6135 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
6136 sure TARGET_MEM_REF bases are expanded as memory.
6137 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
6138 Do not mark TARGET_MEM_REF bases addressable.
6139 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
6140 TARGET_MEM_REF bases as never rewritable.
6141 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
6142 walk TARGET_MEM_REF bases as address-takens.
6143 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
6145 2021-05-19 Richard Biener <rguenther@suse.de>
6147 * builtins.c (get_object_alignment_1): Strip outer
6149 * tree-dfa.c (get_ref_base_and_extent): Handle outer
6150 WITH_SIZE_EXPR for size processing and process the
6152 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
6153 outer WITH_SIZE_EXPR.
6154 (ao_ref_base_alias_ptr_type): Likewise.
6155 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
6156 and handle that accordingly, stripping it for the
6158 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
6159 looking through it instead of returning NULL.
6161 2021-05-19 Jakub Jelinek <jakub@redhat.com>
6163 PR middle-end/100576
6164 * builtins.c (check_read_access): Convert bound to size_type_node if
6167 2021-05-19 Richard Biener <rguenther@suse.de>
6169 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
6170 (verify_types_in_gimple_reference): ... here. Sanitize.
6171 (verify_gimple_call): Verify references in LHS and arguments.
6172 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
6174 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
6176 * config/i386/i386.h (VALID_INT_MODE_P):
6177 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
6178 * config/i386/i386.md (isa): Add x64_bmi.
6179 (enabled): Handle x64_bmi.
6180 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
6181 Add alternative using 64bit general registers.
6182 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
6184 2021-05-19 Jakub Jelinek <jakub@redhat.com>
6187 * tree.h (OMP_MASTER_COMBINED): Define.
6188 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
6189 handling for outer combined/composite constructs to a loop.
6190 Handle lastprivate on combined target.
6191 (gimplify_expr): Formatting fix.
6193 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
6195 * passes.def: Add sink_code pass before store_merging.
6196 * tree-ssa-sink.c (pass_sink_code:clone): New.
6198 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
6200 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
6201 rs6000_special_adjust_field_align_p.
6202 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
6203 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
6205 (rs6000_function_arg): Likewise.
6206 * config/rs6000/rs6000-protos.h
6207 (rs6000_special_adjust_field_align_p): Remove prototype.
6208 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
6210 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
6211 rs6000_special_adjust_field_align_p.
6213 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6216 * config/i386/i386.h (VALID_SSE2_REG_MODE):
6217 Add V4QI and V2HI modes.
6218 (VALID_INT_MODE_P): Ditto.
6219 * config/i386/mmx.md (VI_32): New mode iterator.
6220 (mmxvecsize): Handle V4QI and V2HI.
6222 (mov<VI_32:mode>): New expander.
6223 (*mov<mode>_internal): New insn pattern.
6224 (movmisalign<VI_32:mode>): New expander.
6225 (neg<VI_32:mode>): New expander.
6226 (<plusminus:insn><VI_32:mode>3): New expander.
6227 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
6228 (mulv2hi3): New expander.
6229 (*mulv2hi3): New insn pattern.
6230 (one_cmpl<VI_32:mode>2): New expander.
6231 (*andnot<VI_32:mode>3): New insn pattern.
6232 (<any_logic:code><VI_32:mode>3): New expander.
6233 (*<any_logic:code><VI_32:mode>3): New insn pattern.
6235 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6237 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
6238 Fix a mode mismatch with operand 1.
6240 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6243 * config/i386/i386-expand.c (split_double_mode): Return
6244 temporary register when simplify_gen_subreg fails with
6245 the high half od the paradoxical subreg.
6247 2021-05-18 Richard Biener <rguenther@suse.de>
6249 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
6250 and honor it when expanding.
6251 (expand_used_vars_for_block): Pass through forced_stack_var.
6252 (expand_used_vars): Likewise.
6253 (discover_nonconstant_array_refs_r): Set bits in
6254 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
6255 (avoid_type_punning_on_regs): Likewise.
6256 (discover_nonconstant_array_refs): Likewise.
6257 (pass_expand::execute): Create and pass down forced_stack_var
6258 bitmap. For parameters and returns temporarily set
6259 TREE_ADDRESSABLE when expand_function_start.
6261 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
6263 * doc/sourcebuild.texi: Document 'dg-note'.
6265 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
6268 * configure: Regenerate.
6269 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
6271 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
6273 * gimple.h (is_gimple_omp_oacc): Tighten.
6274 * omp-low.c (check_omp_nesting_restrictions): Adjust.
6276 2021-05-18 Richard Biener <rguenther@suse.de>
6278 * tree-ssa-operands.c (mark_address_taken): Simplify.
6280 2021-05-18 Martin Liska <mliska@suse.cz>
6282 * config/gcn/mkoffload.c (STR): Redefine.
6283 * config/i386/intelmic-mkoffload.c (STR): Likewise.
6284 * config/nvptx/mkoffload.c (STR): Likewise.
6286 2021-05-18 Martin Liska <mliska@suse.cz>
6288 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
6289 Use startswith function instead of strncmp.
6290 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6291 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
6292 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
6293 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
6294 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
6295 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
6296 * config/arm/arm.c (arm_file_start): Likewise.
6297 (arm_valid_target_attribute_rec): Likewise.
6298 (thumb1_md_asm_adjust): Likewise.
6299 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
6300 * config/avr/avr.c (STR_PREFIX_P): Likewise.
6301 (avr_set_current_function): Likewise.
6302 (avr_handle_addr_attribute): Likewise.
6303 (avr_asm_output_aligned_decl_common): Likewise.
6304 (avr_asm_named_section): Likewise.
6305 (avr_section_type_flags): Likewise.
6306 (avr_asm_select_section): Likewise.
6307 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
6308 (c6x_section_type_flags): Likewise.
6309 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
6310 (darwin_objc_declare_unresolved_class_reference): Likewise.
6311 (darwin_objc_declare_class_definition): Likewise.
6312 * config/darwin.c (indirect_data): Likewise.
6313 (darwin_encode_section_info): Likewise.
6314 (darwin_objc2_section): Likewise.
6315 (darwin_objc1_section): Likewise.
6316 (machopic_select_section): Likewise.
6317 (darwin_globalize_label): Likewise.
6318 (darwin_label_is_anonymous_local_objc_name): Likewise.
6319 (darwin_asm_named_section): Likewise.
6320 (darwin_asm_output_dwarf_offset): Likewise.
6321 * config/frv/frv.c (frv_string_begins_with): Likewise.
6322 (frv_in_small_data_p): Likewise.
6323 * config/gcn/mkoffload.c (STR): Likewise.
6325 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
6326 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
6327 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
6328 (ix86_md_asm_adjust): Likewise.
6329 * config/i386/intelmic-mkoffload.c (STR): Likewise.
6330 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
6331 (i386_pe_file_end): Likewise.
6332 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
6333 (ia64_section_type_flags): Likewise.
6334 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
6335 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
6336 (mips16_stub_function_p): Likewise.
6337 (mips_function_rodata_section): Likewise.
6338 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
6339 (msp430_function_section): Likewise.
6340 (msp430_section_type_flags): Likewise.
6341 (msp430_expand_helper): Likewise.
6342 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
6343 (nios2_valid_target_attribute_rec): Likewise.
6344 * config/nvptx/mkoffload.c (process): Likewise.
6346 * config/pa/som.h: Likewise.
6347 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
6348 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
6349 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
6350 (rs6000_inner_target_options): Likewise.
6351 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
6352 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
6353 * config/vax/vax.c (vax_output_int_move): Likewise.
6354 * config/vms/vms-ld.c (startswith): Likewise.
6355 (process_args): Likewise.
6357 * config/vms/vms.c: Likewise.
6359 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6361 PR rtl-optimization/100590
6362 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
6363 they are NONJUMP_INSN_P.
6365 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6368 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
6369 DECL_ASSEMBLER_NAME on the fn_decl.
6371 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6373 PR tree-optimization/94589
6374 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
6375 phi result used in (res & ~1) == 0 comparison as res >= 0 as
6376 res == 2 would be UB with -ffinite-math-only.
6378 2021-05-18 Martin Liska <mliska@suse.cz>
6380 * Makefile.in: genversion.o should depend on DATESTAMP.
6382 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
6384 * config/arc/simdext.md (negv2si2): Remove round bracket.
6386 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
6388 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
6389 _Bool as macro expanding to _Bool.
6391 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
6394 * tree.c (build_reference_type_for_mode)
6395 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
6397 (build_reference_type, build_pointer_type): Invoke
6398 build_*_type_for_mode with VOIDmode.
6400 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
6402 PR tree-optimization/100512
6403 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
6404 and non-zero pointer ranges as invariant.
6405 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
6406 processing from here.
6408 2021-05-17 Tom de Vries <tdevries@suse.de>
6411 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
6412 * config/nvptx/nvptx.c (nvptx_output_barrier)
6413 (nvptx_output_atomic_insn): New function.
6414 (nvptx_print_operand): Add support for 'B'.
6415 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
6418 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
6420 PR tree-optimization/100349
6421 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
6424 2021-05-17 Tamar Christina <tamar.christina@arm.com>
6426 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
6427 (host_detect_local_cpu): Use it.
6429 2021-05-17 Martin Liska <mliska@suse.cz>
6431 * doc/invoke.texi: Add 2 missing dots.
6433 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
6436 * configure.ac: Replace pattern substitution with call to sed.
6437 * configure: Regenerate.
6439 2021-05-17 Richard Biener <rguenther@suse.de>
6441 PR middle-end/100582
6442 * tree.c (array_at_struct_end_p): Get to the base of the
6443 reference before looking for the underlying decl.
6445 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
6447 * genoutput.c (validate_insn_alternatives) Make "wrong number of
6448 alternatives" message more specific, and remove assumption on where
6451 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6453 * config/arm/iterators.md (V16): New iterator.
6454 (VH_cvtto): New iterator.
6455 (v_cmp_result): Added V4HF and V8HF support.
6456 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
6457 (vcond<mode><mode>): Likewise.
6458 (vcond_mask_<mode><v_cmp_result>): Likewise.
6459 (vcond<VH_cvtto><mode>): New expander.
6461 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6463 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
6465 * config/arm/arm.c (arm_expand_vector_compare): Add support for
6467 (arm_expand_vcond): Likewise.
6468 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
6469 VCMPEQQ_N_S, VCMPNEQ_N_S.
6470 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
6471 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
6472 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
6473 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
6474 (@mve_vpselq_<supf><mode>): Likewise.
6475 (@mve_vpselq_f<mode>"): Likewise.
6476 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
6477 and move to vec-common.md.
6478 (vec_cmpu<mode><mode>): Likewise.
6479 (vcond<mode><mode>): Likewise.
6480 (vcond<V_cvtto><mode>): Likewise.
6481 (vcondu<mode><v_cmp_result>): Likewise.
6482 (vcond_mask_<mode><v_cmp_result>): Likewise.
6483 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
6484 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
6485 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
6486 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
6487 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
6488 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
6490 (vec_cmpu<mode><mode>): Likewise.
6491 (vcond<mode><mode>): Likewise.
6492 (vcond<V_cvtto><mode>): Likewise.
6493 (vcondu<mode><v_cmp_result>): Likewise.
6494 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
6497 2021-05-17 liuhongt <hongtao.liu@intel.com>
6500 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
6501 gsi_insert_seq_before instead.
6503 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6505 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
6506 (arm_sat_ok): ...this.
6508 2021-05-17 Martin Liska <mliska@suse.cz>
6510 * lto-wrapper.c (merge_flto_options): Factor out a new function.
6511 (merge_and_complain): Use it.
6512 (run_gcc): Merge also linker command line -flto=foo argument
6515 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
6517 * config/arm/arm.h (CPP_SPEC): Remove error message about
6518 -mlittle-endian/-mbig-endian conflict.
6520 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6522 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
6523 __ROP_PROTECT__ if -mrop-protect is selected.
6525 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6527 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
6528 rop_hash_save_offset and rop_hash_size.
6529 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
6530 rop_hash_size and rop_hash_save_offset.
6531 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
6532 (rs6000_emit_prologue): Emit hashst[p] in prologue.
6533 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
6534 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
6536 (hashst): New define_insn.
6537 (hashchk): Likewise.
6539 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6541 * config/rs6000/rs6000.c (rs6000_option_override_internal):
6542 Disable shrink wrap when inserting ROP-protect instructions.
6543 * config/rs6000/rs6000.opt (mrop-protect): New option.
6544 (mprivileged): Likewise.
6545 * doc/invoke.texi: Document mrop-protect and mprivileged.
6547 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
6549 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
6552 2021-05-15 Martin Jambor <mjambor@suse.cz>
6555 2021-05-13 Martin Jambor <mjambor@suse.cz>
6557 PR tree-optimization/100453
6558 * tree-sra.c (sra_modify_assign): All const base accesses do not
6559 need refreshing, not just those from decl_pool.
6560 (sra_modify_assign): Do not refresh into a const base decl.
6562 2021-05-15 Jakub Jelinek <jakub@redhat.com>
6564 PR rtl-optimization/100342
6565 * regcprop.c (copy_value): When copying a source reg in a wider
6566 mode than it has recorded for the value, adjust recorded destination
6567 mode too or punt if !REG_CAN_CHANGE_MODE_P.
6569 2021-05-14 Jason Merrill <jason@redhat.com>
6571 * intl.h: Add comments.
6573 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6575 * config/aarch64/aarch64-simd.md
6576 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
6577 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
6578 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
6579 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
6580 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
6581 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
6582 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
6583 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
6584 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
6586 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
6589 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
6590 boolean logic equivalent.
6591 (vtst_s16): Likewise.
6592 (vtst_s32): Likewise.
6593 (vtst_u8): Likewise.
6594 (vtst_u16): Likewise.
6595 (vtst_u32): Likewise.
6596 (vtst_p8): Likewise.
6597 (vtst_p16): Likewise.
6598 (vtstq_s8): Likewise.
6599 (vtstq_s16): Likewise.
6600 (vtstq_s32): Likewise.
6601 (vtstq_u8): Likewise.
6602 (vtstq_u16): Likewise.
6603 (vtstq_u32): Likewise.
6604 (vtstq_p8): Likewise.
6605 (vtstq_p16): Likewise.
6606 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
6607 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
6609 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6611 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
6612 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
6613 (aarch64_sqdmlsl2<mode>): Delete.
6614 (aarch64_sqdmlal2_lane<mode>): Merge this...
6615 (aarch64_sqdmlsl2_lane<mode>): ... And this...
6616 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
6617 (aarch64_sqdmlal2_laneq<mode>): Merge this...
6618 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
6619 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
6620 (aarch64_sqdmlal2_n<mode>): Merge this...
6621 (aarch64_sqdmlsl2_n<mode>): ... And this...
6622 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
6624 2021-05-13 Martin Sebor <msebor@redhat.com>
6626 PR middle-end/100574
6627 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
6630 2021-05-13 Martin Sebor <msebor@redhat.com>
6632 PR tree-optimization/93100
6634 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
6635 don't modify referenced objects.
6637 2021-05-13 Martin Jambor <mjambor@suse.cz>
6639 PR tree-optimization/100453
6640 * tree-sra.c (sra_modify_assign): All const base accesses do not
6641 need refreshing, not just those from decl_pool.
6642 (sra_modify_assign): Do not refresh into a const base decl.
6644 2021-05-13 Martin Liska <mliska@suse.cz>
6646 * tree-ssa-dom.c: Remove m_simplifier.
6648 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
6651 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
6652 canonicalize DImode inequality comparisons against the
6653 maximum integral value.
6655 2021-05-13 Jakub Jelinek <jakub@redhat.com>
6657 PR tree-optimization/98856
6658 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
6659 Expect V2DI and V4DI arithmetic right shifts to be emulated.
6660 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
6662 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
6663 expand_vec_perm_2perm_pblendv): New functions.
6664 (ix86_expand_vec_perm_const_1): Use them.
6665 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
6666 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
6667 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
6668 (ashrv4di3): New define_expand.
6669 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
6670 and !TARGET_AVX512VL expansion.
6672 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
6675 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
6676 sizes < 16 to a register when constructing vpcmov pattern.
6677 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
6679 2021-05-13 Martin Liska <mliska@suse.cz>
6681 * gcov-io.c (gcov_write_block): Remove.
6682 (gcov_write_words): Likewise.
6683 (gcov_read_words): Re-implement using gcov_read_bytes.
6684 (gcov_allocate): Remove.
6685 (GCOV_BLOCK_SIZE): Likewise.
6686 (struct gcov_var): Remove most of the fields.
6687 (gcov_position): Implement with ftell.
6688 (gcov_rewrite): Remove setting of start and offset fields.
6689 (from_file): Re-format.
6690 (gcov_open): Remove setbuf call. It should not be needed.
6691 (gcov_close): Remove internal buffer handling.
6692 (gcov_magic): Use __builtin_bswap32.
6693 (gcov_write_counter): Use directly gcov_write_unsigned.
6694 (gcov_write_string): Use direct fwrite and do not round
6696 (gcov_seek): Use directly fseek.
6697 (gcov_write_tag): Use gcov_write_unsigned directly.
6698 (gcov_write_length): Likewise.
6699 (gcov_write_tag_length): Likewise.
6700 (gcov_read_bytes): Use directly fread.
6701 (gcov_read_unsigned): Use gcov_read_words.
6702 (gcov_read_counter): Likewise.
6703 (gcov_read_string): Use gcov_read_bytes.
6704 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
6705 that size is not in bytes, but words (4B).
6706 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
6707 (GCOV_TAG_ARCS_LENGTH): Likewise.
6708 (GCOV_TAG_ARCS_NUM): Likewise.
6709 (GCOV_TAG_COUNTER_LENGTH): Likewise.
6710 (GCOV_TAG_COUNTER_NUM): Likewise.
6711 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
6713 2021-05-13 liuhongt <hongtao.liu@intel.com>
6716 * config/i386/sse.md (ssedoublevecmode): Add attribute for
6717 V64QI/V32HI/V16SI/V4DI.
6718 (ssehalfvecmode): Add attribute for V2DI/V2DF.
6719 (*vec_concatv4si_0): Extend to VI124_128.
6720 (*vec_concat<mode>_0): New pre-reload splitter.
6721 * config/i386/predicates.md (movq_parallel): New predicate.
6723 2021-05-13 Alexandre Oliva <oliva@adacore.com>
6725 * targhooks.c (default_zero_call_used_regs): Retry using
6726 successfully-zeroed registers as sources.
6728 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
6730 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
6732 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
6735 * gimple-range.cc (range_of_builtin_call): Skip out on
6736 processing __builtin_clz when varying.
6738 2021-05-12 Tom de Vries <tdevries@suse.de>
6741 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
6742 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
6743 to ptx_version_option.
6744 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
6745 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
6746 (define_insn "nvptx_vote_ballot"): Use sync variant for
6748 * config/nvptx/nvptx.opt (ptx_version): Add enum.
6750 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
6752 2021-05-12 Richard Biener <rguenther@suse.de>
6754 PR tree-optimization/100566
6755 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
6756 allow_back for all edge queries.
6758 2021-05-12 liuhongt <hongtao.liu@intel.com>
6761 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
6762 splitters for pblendvb of NOT mask register.
6764 2021-05-12 Richard Biener <rguenther@suse.de>
6766 PR tree-optimization/100519
6767 * tree-ssa-reassoc.c (can_associate_p): Split into...
6768 (can_associate_op_p): ... this
6769 (can_associate_type_p): ... and this.
6770 (is_reassociable_op): Call can_associate_op_p.
6771 (break_up_subtract_bb): Call the appropriate predicates.
6772 (reassociate_bb): Likewise.
6774 2021-05-12 Martin Liska <mliska@suse.cz>
6776 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
6777 (run_gcc): Use -flto argument detection for merged
6780 2021-05-12 Martin Liska <mliska@suse.cz>
6782 * lto-wrapper.c (print_lto_docs_link): New function.
6783 (run_gcc): Print warning about missing job server detection
6784 after we know NR of partitions. Do the same for -flto{,=1}.
6785 * opts.c (get_option_html_page): Support -flto option.
6787 2021-05-12 Martin Liska <mliska@suse.cz>
6789 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
6791 (append_option): Remove.
6792 (find_option): Rework to use the vector type.
6793 (remove_option): Remove.
6794 (merge_and_complain): Use vectors for cl_decoded_option data
6796 (append_compiler_options): Likewise.
6797 (append_diag_options): Likewise.
6798 (append_linker_options): Likewise.
6799 (append_offload_options): Likewise.
6800 (compile_offload_image): Likewise.
6801 (compile_images_for_offload_targets): Likewise.
6802 (find_and_merge_options): Likewise.
6803 (run_gcc): Likewise.
6805 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
6808 * dwarf2out.c (dwarf2out_finish): Set
6809 have_multiple_function_sections with multi-range text_section.
6811 2021-05-12 Martin Liska <mliska@suse.cz>
6814 * Makefile.in: Remove version.h from linker command line.
6816 2021-05-12 Richard Biener <rguenther@suse.de>
6818 PR middle-end/100547
6819 * rtl.h (rtvec_alloc): Make argument size_t.
6820 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
6822 2021-05-12 Jakub Jelinek <jakub@redhat.com>
6824 PR middle-end/100508
6825 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
6826 type, don't reuse DECL_RTL if it has different mode, instead force
6827 creation of a new DEBUG_EXPR.
6829 2021-05-12 Jakub Jelinek <jakub@redhat.com>
6830 Marc Glisse <marc.glisse@inria.fr>
6832 PR tree-optimization/94589
6833 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
6834 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
6836 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
6839 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
6840 * config/i386/mmx.md (MMXMODE124): New mode iterator.
6842 (mmxintvecmode): New mode attribute.
6843 (mmxintvecmodelower): Ditto.
6844 (*mmx_maskcmpv2sf3_comm): New insn pattern.
6845 (*mmx_maskcmpv2sf3): Ditto.
6846 (vec_cmpv2sfv2si): New expander.
6847 (vcond<V2FI:mode>v2si): Ditto.
6848 (mmx_vlendvps): New insn pattern.
6849 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
6850 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
6851 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
6853 2021-05-11 Martin Sebor <msebor@redhat.com>
6856 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
6858 2021-05-11 Richard Biener <rguenther@suse.de>
6860 * gimple-fold.c (gimple_fold_call): Do not call
6861 maybe_fold_reference on call arguments or the static chain.
6862 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
6865 2021-05-11 Martin Liska <mliska@suse.cz>
6867 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
6868 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
6869 (DEF_HSAIL_SAT_BUILTIN): Likewise.
6870 (DEF_HSAIL_INTR_BUILTIN): Likewise.
6871 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
6872 * doc/frontends.texi: Remove BRIG.
6873 * doc/install.texi: Likewise.
6874 * doc/invoke.texi: Likewise.
6875 * doc/standards.texi: Likewise.
6876 * brig-builtins.def: Removed.
6877 * brig/ChangeLog: Removed.
6878 * brig/Make-lang.in: Removed.
6879 * brig/brig-builtins.h: Removed.
6880 * brig/brig-c.h: Removed.
6881 * brig/brig-lang.c: Removed.
6882 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
6883 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
6884 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
6885 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
6886 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
6887 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
6888 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
6889 * brig/brigfrontend/brig-comment-handler.cc: Removed.
6890 * brig/brigfrontend/brig-control-handler.cc: Removed.
6891 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
6892 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
6893 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
6894 * brig/brigfrontend/brig-function-handler.cc: Removed.
6895 * brig/brigfrontend/brig-function.cc: Removed.
6896 * brig/brigfrontend/brig-function.h: Removed.
6897 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
6898 * brig/brigfrontend/brig-label-handler.cc: Removed.
6899 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
6900 * brig/brigfrontend/brig-machine.c: Removed.
6901 * brig/brigfrontend/brig-machine.h: Removed.
6902 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
6903 * brig/brigfrontend/brig-module-handler.cc: Removed.
6904 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
6905 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
6906 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
6907 * brig/brigfrontend/brig-to-generic.cc: Removed.
6908 * brig/brigfrontend/brig-to-generic.h: Removed.
6909 * brig/brigfrontend/brig-util.cc: Removed.
6910 * brig/brigfrontend/brig-util.h: Removed.
6911 * brig/brigfrontend/brig-variable-handler.cc: Removed.
6912 * brig/brigfrontend/hsa-brig-format.h: Removed.
6913 * brig/brigfrontend/phsa.h: Removed.
6914 * brig/brigspec.c: Removed.
6915 * brig/config-lang.in: Removed.
6916 * brig/gccbrig.texi: Removed.
6917 * brig/lang-specs.h: Removed.
6918 * brig/lang.opt: Removed.
6920 2021-05-11 Richard Biener <rguenther@suse.de>
6923 * ipa-param-manipulation.c
6924 (ipa_param_body_adjustments::modify_call_stmt): Avoid
6925 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
6926 via gimple_call_lhs_ptr.
6928 2021-05-11 Alex Coplan <alex.coplan@arm.com>
6931 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
6932 Avoid emitting CFA adjusts on the sp if we have the fp.
6934 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
6936 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
6937 (VMULD): New iterator.
6938 (VCOND): Handle V4HF and V8HF.
6939 (VCONQ): Fix entry for V2SF.
6940 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
6941 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
6942 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
6943 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
6944 Use a 128-bit vector mode for the indexed operand. Use stype for
6945 the scheduling type.
6947 2021-05-11 Richard Biener <rguenther@suse.de>
6949 * gimple-fold.c (maybe_fold_reference): Only return
6950 is_gimple_min_invariant values.
6952 2021-05-11 Richard Biener <rguenther@suse.de>
6954 PR middle-end/100509
6955 * gimple-fold.c (fold_gimple_assign): Only call
6956 get_symbol_constant_value on register type symbols.
6958 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
6959 Joe Ramsay <joe.ramsay@arm.com>
6962 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
6963 (__arm_vcmpneq): Remove duplicate definition.
6964 (__arm_vstrwq_scatter_offset_p): Likewise.
6965 (__arm_vmaxq_x): Likewise.
6966 (__arm_vmlsdavaq): Likewise.
6967 (__arm_vmlsdavaxq): Likewise.
6968 (__arm_vmlsdavq_p): Likewise.
6969 (__arm_vmlsdavxq_p): Likewise.
6970 (__arm_vrmlaldavhaq): Likewise.
6971 (__arm_vstrbq_p): Likewise.
6972 (__arm_vstrbq_scatter_offset): Likewise.
6973 (__arm_vstrbq_scatter_offset_p): Likewise.
6974 (__arm_vstrdq_scatter_offset): Likewise.
6975 (__arm_vstrdq_scatter_offset_p): Likewise.
6976 (__arm_vstrdq_scatter_shifted_offset): Likewise.
6977 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
6979 2021-05-11 Jakub Jelinek <jakub@redhat.com>
6981 PR middle-end/100471
6982 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
6983 is 0, bypass the reduction loop including
6984 GOMP_taskgroup_reduction_unregister call.
6986 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
6988 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
6990 (rs6000_density_test): Early return if costing_for_scalar is true.
6991 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
6993 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
6995 * doc/tm.texi: Regenerated.
6996 * target.def (init_cost): Add new parameter costing_for_scalar.
6997 * targhooks.c (default_init_cost): Adjust for new parameter.
6998 * targhooks.h (default_init_cost): Likewise.
6999 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
7000 (vect_compute_single_scalar_iteration_cost): Likewise.
7001 (vect_analyze_loop_2): Likewise.
7002 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
7003 (vect_bb_vectorization_profitable_p): Likewise.
7004 * tree-vectorizer.h (init_cost): Likewise.
7005 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
7006 * config/i386/i386.c (ix86_init_cost): Likewise.
7007 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
7009 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
7011 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
7012 vect_nonmem and moved into...
7013 (struct rs6000_cost_data): ...here.
7014 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
7015 (rs6000_add_stmt_cost): Likewise.
7016 (rs6000_finish_cost): Likewise.
7018 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
7020 * range-op.cc (get_bool_state): Adjust head comment.
7021 (operator_not_equal::op1_range): Fix comment.
7022 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
7024 2021-05-10 Martin Sebor <msebor@redhat.com>
7026 PR middle-end/100425
7027 PR middle-end/100510
7028 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
7029 (pass_walloca::xlimit_certain_p): ...to this.
7030 (pass_walloca::gate): Execute for any kind of handled warning.
7031 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
7032 warnings when xlimit_certain_p is set.
7034 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
7036 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
7037 Return ALTIVEC_REGS if that is best_class.
7038 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
7040 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7042 * config/arm/arm.h (CPP_SPEC): Remove error message about
7045 2021-05-10 Martin Jambor <mjambor@suse.cz>
7047 * ipa-prop.h (IPA_NODE_REF): Removed.
7048 (IPA_NODE_REF_GET_CREATE): Likewise.
7049 (IPA_EDGE_REF): Likewise.
7050 (IPA_EDGE_REF_GET_CREATE): Likewise.
7051 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
7052 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
7053 use of ipa_node_params_sum.
7054 (ipcp_versionable_function_p): Likewise.
7055 (push_node_to_stack): Likewise.
7056 (pop_node_from_stack): Likewise.
7057 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
7058 direct use of ipa_node_params_sum.
7059 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
7060 ipa_node_params_sum.
7061 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
7063 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
7064 use of ipa_node_params_sum.
7065 (self_recursively_generated_p): Likewise.
7066 (propagate_scalar_across_jump_function): Likewise.
7067 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
7068 direct use of ipa_edge_args_sum, moved the lookup after the early
7069 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
7070 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
7071 direct uses of ipa_node_params_sum.
7072 (propagate_vr_across_jump_function): Likewise.
7073 (propagate_aggregate_lattice): Likewise.
7074 (propagate_aggs_across_jump_function): Likewise.
7075 (propagate_constants_across_call): Likewise, also replaced
7076 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
7077 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
7078 of ipa_node_params_sum.
7079 (estimate_local_effects): Likewise.
7080 (add_all_node_vals_to_toposort): Likewise.
7081 (propagate_constants_topo): Likewise.
7082 (ipcp_propagate_stage): Likewise.
7083 (ipcp_discover_new_direct_edges): Likewise.
7084 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
7085 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
7086 (get_info_about_necessary_edges): Likewise.
7087 (want_remove_some_param_p): Likewise.
7088 (create_specialized_node): Likewise.
7089 (self_recursive_pass_through_p): Likewise.
7090 (self_recursive_agg_pass_through_p): Likewise.
7091 (find_more_scalar_values_for_callers_subset): Likewise and also
7092 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
7093 case replacing two of those with a single query.
7094 (find_more_contexts_for_caller_subset): Likewise for the
7095 ipa_polymorphic_call_context overload.
7096 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
7097 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
7098 ipa_node_params_sum.
7099 (find_aggregate_values_for_callers_subset): Likewise, also reusing
7100 results of ipa_edge_args_sum->get.
7101 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
7102 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
7103 direct use of ipa_edge_args_sum.
7104 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
7105 summary query after the early exit and reused the result later.
7106 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
7107 ipa_node_params_sum.
7108 (decide_whether_version_node): Likewise. Removed re-querying for
7109 summaries after cloning.
7110 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
7111 ipa_node_params_sum.
7112 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
7114 (identify_dead_nodes): Likewise.
7115 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
7116 ipa_node_params_sum.
7117 (ipcp_store_vr_results): Likewise.
7118 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
7119 (ipa_fn_summary_t::duplicate): Likewise.
7120 (analyze_function_body): Likewise.
7121 (estimate_calls_size_and_time): Likewise.
7122 (ipa_cached_call_context::duplicate_from): Likewise.
7123 (ipa_call_context::equal_to): Likewise.
7124 (remap_edge_params): Likewise.
7125 (ipa_merge_fn_summary_after_inlining): Likewise.
7126 (inline_read_section): Likewise.
7127 * ipa-icf.c (sem_function::param_used_p): Likewise.
7128 * ipa-modref.c (compute_parm_map): Likewise.
7129 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
7131 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
7132 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
7134 * ipa-profile.c (check_argument_count): Likewise.
7135 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
7136 with a direct use of ipa_node_params_sum.
7137 (ipa_initialize_node_params): Likewise.
7138 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
7139 direct use of ipa_edge_args_sum and reused the query result.
7140 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
7141 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
7142 direct use of ipa_edge_args_sum.
7143 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
7144 ipa_node_params_sum and reused the result of the query.
7145 (ipa_analyze_node): Likewise.
7146 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
7147 of ipa_node_params_sum.
7148 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
7149 direct uses of ipa_edge_args_sum.
7150 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
7151 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
7152 direct use of ipa_edge_args_sum. Removed superficial re-querying the
7154 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
7155 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
7157 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
7158 direct use of ipa_edge_args_sum.
7159 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
7160 use of ipa_node_params_sum.
7161 (ipa_print_node_params): Likewise.
7162 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
7163 direct uses of ipa_edge_args_sum.
7164 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
7166 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
7167 ipa_node_params_sum.
7168 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
7169 scopes where it is used.
7171 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
7173 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
7174 <case E_V2SImode>: Force op_true to register.
7176 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7178 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
7179 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
7180 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
7182 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
7183 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
7184 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
7185 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
7186 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
7187 (mve_vcmpneq_n_f<mode>): Remove.
7188 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
7189 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
7190 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
7192 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7194 * config/arm/iterators.md (MVE_COMPARISONS): New.
7196 (mve_cmp_type): New.
7197 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
7199 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
7200 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
7201 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
7202 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
7203 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
7204 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
7205 (mve_vcmpneq_n_<mode>): Remove.
7207 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7209 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
7210 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
7211 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
7214 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7216 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
7217 (vcmpneq_n_u): Likewise.
7218 (vcmpeqq_u,): Likewise.
7219 (vcmpeqq_n_u): Likewise.
7220 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
7221 VCMPEQQ_N_U and VCMPNEQ_N_U.
7222 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
7223 (mve_vcmpeqq_n): Likewise.
7224 (mve_vcmpeqq): Likewise.
7225 (mve_vcmpneq_n): Likewise.
7227 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7229 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
7230 the 's' version of the builtin.
7232 2021-05-10 Richard Biener <rguenther@suse.de>
7234 PR tree-optimization/100492
7235 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
7236 Find nothing when the loop contains an irreducible region.
7238 2021-05-10 Richard Biener <rguenther@suse.de>
7240 PR middle-end/100464
7242 * gimple-fold.c (canonicalize_constructor_val): Do not set
7245 2021-05-10 Richard Biener <rguenther@suse.de>
7247 PR tree-optimization/100434
7248 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
7250 (dse_optimize_stmt): Handle call LHS by dropping the
7251 LHS or the whole call if it doesn't have other
7253 (pass_dse::execute): Adjust.
7255 2021-05-10 Martin Liska <mliska@suse.cz>
7257 * Makefile.in: Add missing genversion rule.
7259 2021-05-10 Alex Coplan <alex.coplan@arm.com>
7262 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
7263 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
7265 2021-05-10 Martin Liska <mliska@suse.cz>
7267 * builtins.c (is_builtin_name): Use startswith
7268 function instead of strncmp.
7269 * collect2.c (main): Likewise.
7270 (has_lto_section): Likewise.
7271 (scan_libraries): Likewise.
7272 * coverage.c (coverage_checksum_string): Likewise.
7273 (coverage_init): Likewise.
7274 * dwarf2out.c (is_cxx): Likewise.
7275 (gen_compile_unit_die): Likewise.
7276 * gcc-ar.c (main): Likewise.
7277 * gcc.c (init_spec): Likewise.
7278 (read_specs): Likewise.
7279 (execute): Likewise.
7280 (check_live_switch): Likewise.
7281 * genattrtab.c (write_attr_case): Likewise.
7282 (IS_ATTR_GROUP): Likewise.
7283 * gencfn-macros.c (main): Likewise.
7284 * gengtype.c (type_for_name): Likewise.
7285 (gen_rtx_next): Likewise.
7286 (get_file_langdir): Likewise.
7287 (write_local): Likewise.
7288 * genmatch.c (get_operator): Likewise.
7289 (get_operand_type): Likewise.
7290 (expr::gen_transform): Likewise.
7291 * genoutput.c (validate_optab_operands): Likewise.
7292 * incpath.c (add_sysroot_to_chain): Likewise.
7293 * langhooks.c (lang_GNU_C): Likewise.
7294 (lang_GNU_CXX): Likewise.
7295 (lang_GNU_Fortran): Likewise.
7296 (lang_GNU_OBJC): Likewise.
7297 * lto-wrapper.c (run_gcc): Likewise.
7298 * omp-general.c (omp_max_simt_vf): Likewise.
7299 * omp-low.c (omp_runtime_api_call): Likewise.
7300 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
7301 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
7302 * real.c (real_from_string): Likewise.
7303 * selftest.c (assert_str_startswith): Likewise.
7304 * timevar.c (timer::validate_phases): Likewise.
7305 * tree.c (get_file_function_name): Likewise.
7306 * ubsan.c (ubsan_use_new_style_p): Likewise.
7307 * varasm.c (default_function_rodata_section): Likewise.
7308 (incorporeal_function_p): Likewise.
7309 (default_section_type_flags): Likewise.
7310 * system.h (startswith): Define startswith.
7312 2021-05-10 Martin Liska <mliska@suse.cz>
7314 * bitmap.h (class auto_bitmap): Remove
7315 __cplusplus >= 201103.
7316 * config/aarch64/aarch64.c: Likewise.
7317 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
7319 * sbitmap.h: Likewise.
7321 2021-05-10 Martin Liska <mliska@suse.cz>
7323 * Makefile.in: Rename gcov-iov to genversion and depend
7324 on version.h (instead of gcov-iov.h).
7325 * gcov-io.h: Include version.h instread of gcov-iov.h.
7326 * gengtype-state.c (read_state_version): Likewise.
7327 * gcov-iov.c: Moved to...
7328 * genversion.c: ...here.
7329 * lto-streamer.h (LTO_major_version): Define it with
7331 * version.c: Removed.
7332 * version.h: Removed.
7334 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7336 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
7337 * config/arc/simdext.md (VCT): Add predicates for iterator
7341 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
7342 (<voptab>v2si3): New patterns.
7344 (reduc_plus_scal_v4hi): Likewise.
7345 (reduc_plus_scal_v2si): Likewise.
7346 (vec_duplicatev2si): Likewise.
7347 (vec_duplicatev4hi): Likewise.
7349 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7351 * config/arc/simdext.md: Format and cleanup file.
7353 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7355 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
7356 only when munaligned-access option is on.
7357 (movmisalign<mode>): Likewise.
7359 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7361 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
7363 * config/arc/arc.c (arc_reorg): Remove underscore from string.
7365 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7367 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7368 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
7369 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
7373 (clzsi2): Use fls instruction when available.
7374 (arc_clzsi2): Likewise.
7376 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7378 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
7380 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7382 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
7384 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
7386 PR middle-end/100467
7387 * toplev.c (compile_file): Call insn_locations_init before
7388 targetm.asm_out.code_end.
7390 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7393 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7395 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
7397 2021-05-07 Jakub Jelinek <jakub@redhat.com>
7398 Andrew Stubbs <amd@codesourcery.com>
7401 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
7402 emit_move_insn operands.
7404 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
7406 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
7407 location for the outgoing edges of an empty block.
7408 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
7409 type by means of the get_array_descr_info langhook, if it is set and
7410 returns true. Remove obsolete code dealing with unnamed subtypes.
7412 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7414 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
7415 (sbr_vector): Renamed from ssa_block_cache.
7416 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
7417 (ssa_block_ranges::~ssa_block_ranges): Remove.
7418 (sbr_vector::set_bb_range): Use varying and undefined cached values.
7419 (ssa_block_ranges::set_bb_varying): Remove.
7420 (sbr_vector::get_bb_range): Adjust assert.
7421 (sbr_vector::bb_range_p): Adjust assert.
7422 (~block_range_cache): No freeing loop required.
7423 (block_range_cache::get_block_ranges): Remove.
7424 (block_range_cache::set_bb_range): Inline get_block_ranges.
7425 (block_range_cache::set_bb_varying): Remove.
7426 * gimple-range-cache.h (set_bb_varying): Remove prototype.
7427 * value-range.h (irange_allocator::get_memory): New.
7429 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7431 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
7432 dominator tree is available and requested.
7433 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
7434 (ranger_cache::fill_block_cache): Don't search dom tree here either.
7435 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
7437 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7439 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
7440 only PHI nodes better.
7442 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7444 * gimple-range-edge.h (gimple_outgoing_range): Rename from
7446 (gcond_edge_range): Export prototype.
7447 * gimple-range-edge.cc (gcond_edge_range): New.
7448 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
7449 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
7451 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7453 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
7454 default range into a temp and allocate only what is needed.
7456 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7458 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
7460 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7462 * gimple-range.h (gimple_range_global): Pick up parameter initial
7463 values, and use-before defined locals are UNDEFINED.
7465 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
7467 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
7469 * tree.h (reverse_storage_order_for_component_p): Return false if
7470 the type is a pointer.
7472 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7474 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
7476 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
7479 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
7480 Handle V8QI, V4HI and V2SI modes.
7481 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
7482 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
7483 * config/i386/i386.md (unspec): ... here.
7485 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
7486 Tom de Vries <tdevries@suse.de>
7488 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
7489 a truth_value_p reduction variable is nonintegral.
7491 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
7494 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
7495 Return false for mode sizes < 16.
7497 2021-05-07 Jakub Jelinek <jakub@redhat.com>
7500 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
7502 2021-05-06 Martin Jambor <mjambor@suse.cz>
7504 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
7505 when there is no function summary.
7506 (ipa_sra_summarize_function): produce edge summaries even when
7509 2021-05-06 Tom Tromey <tom@tromey.com>
7511 * godump.c (string_hash_eq): Remove.
7512 (go_finish): Use htab_eq_string.
7514 2021-05-06 Tom Tromey <tom@tromey.com>
7516 * gengtype-state.c (read_state): Use htab_eq_string.
7517 (string_eq): Remove.
7519 2021-05-06 Tom Tromey <tom@tromey.com>
7521 * gensupport.c (htab_eq_string): Remove.
7523 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
7526 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
7527 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
7528 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
7529 set_ignored_loc callbacks.
7530 * debug.c (do_nothing_debug_hooks): Likewise.
7531 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
7532 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
7533 (in_text_section_p, last_text_label, last_cold_label,
7534 switch_text_ranges, switch_cold_ranges): New data items.
7535 (dwarf2out_note_section_used): Remove.
7536 (dwarf2out_begin_prologue): Set fde->ignored_debug and
7538 (mark_ignored_debug_section): New helper function.
7539 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
7540 mark_ignored_debug_section.
7541 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
7542 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
7543 (size_of_aranges): Adjust formula for multi-part text ranges size.
7544 (output_aranges): Output multi-part text ranges.
7545 (dwarf2out_set_ignored_loc): New callback function.
7546 (dwarf2out_finish): Output multi-part text ranges.
7547 (dwarf2out_c_finalize): Clear new data items.
7548 * final.c (final_start_function_1): Call set_ignored_loc callback.
7549 (final_scan_insn_1): Likewise.
7550 * ggc-page.c (gt_ggc_mx): New helper function.
7551 * stringpool.c (gt_pch_nx): Likewise.
7553 2021-05-06 Richard Biener <rguenther@suse.de>
7555 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
7556 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
7557 (TV_TREE_INTO_SSA): New.
7558 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
7559 (rewrite_blocks): Likewise.
7560 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
7562 2021-05-06 Jakub Jelinek <jakub@redhat.com>
7564 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
7565 abs_replacement, xor_replacement,
7566 cond_removal_in_popcount_clz_ctz_pattern,
7567 replace_phi_edge_with_variable): Change type of phi argument from
7570 2021-05-06 Richard Biener <rguenther@suse.de>
7572 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
7573 Output an opt-info message.
7574 (do_split_loop_on_cond): Likewise.
7575 (tree_ssa_split_loops): Update SSA form here.
7577 2021-05-06 Richard Biener <rguenther@suse.de>
7579 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
7580 return variable removal.
7582 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
7584 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
7585 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
7586 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
7588 * config/s390/s390.c (s390_const_operand_ok): Remove unused
7591 2021-05-06 Jakub Jelinek <jakub@redhat.com>
7593 PR tree-optimization/94589
7594 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
7595 spaceship_replacement.
7596 (cond_only_block_p, spaceship_replacement): New functions.
7598 2021-05-06 Richard Biener <rguenther@suse.de>
7601 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
7602 dealing with a debug use and only query existing addresses
7604 (lower_emutls_1): Avoid splitting out addresses for debug
7605 stmts, reset the debug stmt when we fail to find existing
7607 (lower_emutls_phi_arg): Set wi.stmt.
7609 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
7612 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
7613 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
7614 (stack_protect_test): Use cbranch helper.
7616 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7619 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
7620 always return the establisher frame for __builtin_frame_address (0).
7622 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
7625 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
7626 (ix86_cpu_model_var): Likewise.
7627 (ix86_cpu_features2_type_node): Likewise.
7628 (ix86_cpu_features2_var): Likewise.
7629 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
7632 2021-05-05 Martin Sebor <msebor@redhat.com>
7634 * passes.def (pass_warn_printf): Run after SSA.
7636 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7638 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
7639 * config/arm/predicates.md (minus_one_operand): New predicate.
7641 2021-05-05 Jeff Law <jlaw@tachyum.com>
7643 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
7645 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
7647 PR rtl-optimization/100263
7648 * postreload.c (move2add_valid_value_p): Ensure register can
7651 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7653 PR rtl-optimization/100411
7654 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
7655 and beginning of function markers.
7657 2021-05-05 Jeff Law <jlaw@tachyum.com>
7659 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
7660 * config/cr16/cr16.c (notice_update_cc): Remove.
7661 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
7663 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
7666 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
7667 Handle V8QI, V4HI and V2SI modes.
7668 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
7669 (ix86_build_signbit_mask): Ditto.
7670 * config/i386/mmx.md (MMXMODE14): New mode iterator.
7671 (<smaxmin:code><MMXMODE14:mode>3): New expander.
7672 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
7673 (<umaxmin:code><MMXMODE24:mode>3): New expander.
7674 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
7675 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
7676 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7677 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7678 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7679 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7681 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7683 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
7684 not expand the VALUE_EXPR of variables put in the non-local frame.
7685 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
7686 to be ignored for debug info, ensure its variable offsets are not.
7688 2021-05-05 Richard Biener <rguenther@suse.de>
7690 PR tree-optimization/79333
7691 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
7692 Fold stmt following SSA edges.
7694 2021-05-05 Richard Biener <rguenther@suse.de>
7696 PR middle-end/100394
7697 * calls.c (expand_call): Preserve possibly throwing calls.
7698 * cfgexpand.c (expand_call_stmt): When a call can throw signal
7699 RTL expansion there are side-effects.
7700 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
7701 mark all possibly throwing stmts necessary unless we can elide
7703 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
7704 -fdelete-dead-exceptions.
7705 * tree.h (DECL_PURE_P): Add note about exceptions.
7707 2021-05-05 Alexandre Oliva <oliva@adacore.com>
7709 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
7712 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
7714 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
7715 get_fnname_from_decl for name of thunk.
7716 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
7717 and ASM_OUTPUT_LABEL.
7718 (rs6000_xcoff_declare_function_name): Use assemble_name and
7720 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
7721 (rs6000_xcoff_encode_section_info): Don't add mapping class
7722 for aliases. Always add [DS] mapping class to primary
7724 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
7726 2021-05-04 Martin Sebor <msebor@redhat.com>
7728 PR middle-end/100307
7729 * builtins.c (compute_objsize_r): Clear base0 for pointers.
7731 2021-05-04 Jeff Law <jlaw@tachyum.com>
7733 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
7735 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7737 * caller-save.c: Remove CC0.
7738 * cfgcleanup.c: Remove CC0.
7739 * cfgrtl.c: Remove CC0.
7740 * combine.c: Remove CC0.
7741 * compare-elim.c: Remove CC0.
7742 * conditions.h: Remove CC0.
7743 * config/h8300/h8300.h: Remove CC0.
7744 * config/h8300/h8300-protos.h: Remove CC0.
7745 * config/h8300/peepholes.md: Remove CC0.
7746 * config/i386/x86-tune-sched.c: Remove CC0.
7747 * config/m68k/m68k.c: Remove CC0.
7748 * config/rl78/rl78.c: Remove CC0.
7749 * config/sparc/sparc.c: Remove CC0.
7750 * config/xtensa/xtensa.c: Remove CC0.
7751 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
7752 RTL where that is used as a placeholder only.
7753 * cprop.c: Remove CC0.
7754 * cse.c: Remove CC0.
7755 * cselib.c: Remove CC0.
7756 * df-problems.c: Remove CC0.
7757 * df-scan.c: Remove CC0.
7758 * doc/md.texi: Remove CC0. Adjust an example.
7759 * doc/rtl.texi: Remove CC0. Adjust an example.
7760 * doc/tm.texi: Regenerate.
7761 * doc/tm.texi.in: Remove CC0.
7762 * emit-rtl.c: Remove CC0.
7763 * final.c: Remove CC0.
7764 * fwprop.c: Remove CC0.
7765 * gcse-common.c: Remove CC0.
7766 * gcse.c: Remove CC0.
7767 * genattrtab.c: Remove CC0.
7768 * genconfig.c: Remove CC0.
7769 * genemit.c: Remove CC0.
7770 * genextract.c: Remove CC0.
7771 * gengenrtl.c: Remove CC0.
7772 * genrecog.c: Remove CC0.
7773 * haifa-sched.c: Remove CC0.
7774 * ifcvt.c: Remove CC0.
7775 * ira-costs.c: Remove CC0.
7776 * ira.c: Remove CC0.
7777 * jump.c: Remove CC0.
7778 * loop-invariant.c: Remove CC0.
7779 * lra-constraints.c: Remove CC0.
7780 * lra-eliminations.c: Remove CC0.
7781 * optabs.c: Remove CC0.
7782 * postreload-gcse.c: Remove CC0.
7783 * postreload.c: Remove CC0.
7784 * print-rtl.c: Remove CC0.
7785 * read-rtl-function.c: Remove CC0.
7786 * reg-notes.def: Remove CC0.
7787 * reg-stack.c: Remove CC0.
7788 * reginfo.c: Remove CC0.
7789 * regrename.c: Remove CC0.
7790 * reload.c: Remove CC0.
7791 * reload1.c: Remove CC0.
7792 * reorg.c: Remove CC0.
7793 * resource.c: Remove CC0.
7794 * rtl.c: Remove CC0.
7795 * rtl.def: Remove CC0.
7796 * rtl.h: Remove CC0.
7797 * rtlanal.c: Remove CC0.
7798 * sched-deps.c: Remove CC0.
7799 * sched-rgn.c: Remove CC0.
7800 * shrink-wrap.c: Remove CC0.
7801 * simplify-rtx.c: Remove CC0.
7802 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
7803 CC_STATUS_MDEP, and CC_STATUS.
7804 * target.def: Remove CC0.
7805 * valtrack.c: Remove CC0.
7806 * var-tracking.c: Remove CC0.
7808 2021-05-04 Richard Biener <rguenther@suse.de>
7810 PR tree-optimization/100414
7811 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
7813 (tree_ssa_phiopt_worker): But unconditionally here.
7815 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
7817 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
7818 && and || with floating-point and complex arguments.
7820 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
7822 * tree-inline.c (insert_debug_decl_map): Delete.
7823 (copy_debug_stmt): Minor tweak.
7824 (setup_one_parameter): Do not use a variable if the value is either
7825 a read-only DECL or a non-addressable local variable in the caller.
7826 In this case, insert the debug-only variable in the map manually.
7827 (expand_call_inline): Do not generate a CLOBBER for these values.
7828 * tree-inline.h (debug_map): Minor tweak.
7830 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
7832 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
7833 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
7835 2021-05-04 Richard Biener <rguenther@suse.de>
7837 PR tree-optimization/100329
7838 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
7840 (insert_stmt_after): Assert we're not running into asm goto.
7842 2021-05-04 Richard Biener <rguenther@suse.de>
7844 PR tree-optimization/100398
7845 * tree-ssa-dse.c (pass_dse::execute): Preserve control
7848 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7850 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
7852 2021-05-04 Alexandre Oliva <oliva@adacore.com>
7854 * builtins.c (try_store_by_multiple_pieces): New.
7855 (expand_builtin_memset_args): Use it. If target_char_cast
7856 fails, proceed as for non-constant val. Pass len's ctz to...
7857 * expr.c (clear_storage_hints): ... this. Try store by
7858 multiple pieces after setmem.
7859 (clear_storage): Adjust.
7860 * expr.h (clear_storage_hints): Likewise.
7861 (try_store_by_multiple_pieces): Declare.
7862 * passes.def: Replace the last copy_prop with ccp.
7864 2021-05-03 Tom de Vries <tdevries@suse.de>
7867 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
7870 2021-05-03 Richard Biener <rguenther@suse.de>
7872 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
7874 2021-05-03 Richard Biener <rguenther@suse.de>
7876 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
7877 (dse_dom_walker): Remove.
7878 (dse_dom_walker::dse_optimize_stmt): Rename...
7879 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
7880 (dse_dom_walker::before_dom_children): Inline ...
7881 (pass_dse::execute): ... here. Perform a reverse program
7884 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
7887 * configure: Regenerated.
7889 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
7892 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
7893 (s390_md_asm_adjust): Handle hard registers.
7895 2021-05-03 Jakub Jelinek <jakub@redhat.com>
7897 PR tree-optimization/100382
7898 * tree-ssa-dse.c: Include tree-eh.h.
7899 (dse_dom_walker::before_dom_children): Don't remove stmts if
7900 stmt_unremovable_because_of_non_call_eh_p is true.
7902 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
7904 * varasm.c (compute_reloc_for_var): Split out from...
7905 (get_variable_section): Use it.
7906 * output.h (compute_reloc_for_var): Declare.
7907 * config/rs6000/rs6000-protos.h
7908 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
7910 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
7911 Don't append storage mapping class to symbol.
7912 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
7913 Don't convert TLS BSS to common.
7914 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
7915 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
7917 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
7919 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
7920 If align is 0 from TLS class, use the same rules as varasm.c
7921 If not common, switch to BSS section manually.
7922 If common, emit appropriate comm or lcomm directive.
7923 (rs6000_xcoff_encode_section_info): Add logic to append all
7924 storage mapping classes.
7925 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
7926 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
7927 rs6000_xcoff_asm_output_aligned_decl_common.
7928 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
7929 rs6000_xcoff_asm_output_aligned_decl_common.
7930 (ASM_OUTPUT_TLS_COMMON): Use
7931 rs6000_xcoff_asm_output_aligned_decl_common.
7933 2021-05-02 Jakub Jelinek <jakub@redhat.com>
7936 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
7937 as first argument of pseudo_node_t constructors.
7939 2021-05-02 Jakub Jelinek <jakub@redhat.com>
7942 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
7944 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
7946 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
7947 (gt_pch_nx (int_range<1> *&)): New.
7948 (gt_ggc_mx (int_range<1> *&)): New.
7949 * value-range.h (class irange): Add GTY support for
7952 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
7954 * doc/options.texi (Negative): Change either or to both and.
7956 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7958 * config/aarch64/aarch64-simd-builtins.def: Add
7959 float_ml[as][q]_laneq builtin generator macros.
7960 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
7961 (aarch64_float_mla_laneq<mode>): Define.
7962 (aarch64_float_mls_laneq<mode>): Define.
7963 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
7964 instead of GCC vector extensions.
7965 (vmlaq_laneq_f32): Likewise.
7966 (vmls_laneq_f32): Likewise.
7967 (vmlsq_laneq_f32): Likewise.
7969 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7971 * config/aarch64/aarch64-simd-builtins.def: Add
7972 float_ml[as]_lane builtin generator macros.
7973 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
7975 (mul_lane<mode>3): This, and re-order arguments.
7976 (aarch64_float_mla_lane<mode>): Define.
7977 (aarch64_float_mls_lane<mode>): Define.
7978 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
7979 instead of GCC vector extensions.
7980 (vmlaq_lane_f32): Likewise.
7981 (vmls_lane_f32): Likewise.
7982 (vmlsq_lane_f32): Likewise.
7984 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7986 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
7987 builtin generator macros.
7988 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
7990 (aarch64_float_mls<mode>): Define.
7991 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
7992 instead of relying on GCC vector extensions.
7993 (vmla_f64): Likewise.
7994 (vmlaq_f32): Likewise.
7995 (vmlaq_f64): Likewise.
7996 (vmls_f32): Likewise.
7997 (vmls_f64): Likewise.
7998 (vmlsq_f32): Likewise.
7999 (vmlsq_f64): Likewise.
8000 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
8002 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
8004 * config/aarch64/aarch64-simd-builtins.def: Add
8005 float_ml[as]_n_builtin generator macros.
8006 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
8008 (mul_n<mode>3): This, and re-order arguments.
8009 (aarch64_float_mla_n<mode>): Define.
8010 (aarch64_float_mls_n<mode>): Define.
8011 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
8012 instead of inline asm.
8013 (vmlaq_n_f32): Likewise.
8014 (vmls_n_f32): Likewise.
8015 (vmlsq_n_f32): Likewise.
8017 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
8019 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
8020 builtin generator macros.
8021 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
8022 (aarch64_pmull_hiv16qi_insn): Define.
8023 (aarch64_pmull_hiv16qi): Define.
8024 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
8025 instead of inline asm.
8026 (vmull_p8): Likewise.
8028 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
8030 * config/avr/avr.md: Adjust peepholes to match and
8031 generate parallels with clobber of REG_CC.
8032 (mov<mode>_insn): Rename to mov<mode>_insn_split.
8033 (*mov<mode>_insn): Rename to mov<mode>_insn.
8035 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
8037 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
8038 for VAR_DECLs if -fdata-sections enabled.
8040 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
8043 * config/rs6000/rs6000.c
8044 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
8045 (rs6000_libgcc_floating_mode_supported_p): New target hook.
8047 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
8049 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
8051 (class back_threader_registry): ...to here...
8052 (class back_threader_profitability): ...and here...
8053 (thread_jumps::thread_through_all_blocks): Remove argument.
8054 (back_threader_registry::back_threader_registry): New.
8055 (back_threader_registry::~back_threader_registry): New.
8056 (back_threader_registry::thread_through_all_blocks): New.
8057 (thread_jumps::profitable_jump_thread_path): Move from here...
8058 (back_threader_profitability::profitable_path_p): ...to here.
8059 (thread_jumps::find_taken_edge): New.
8060 (thread_jumps::convert_and_register_current_path): Move...
8061 (back_threader_registry::register_path): ...to here.
8062 (thread_jumps::register_jump_thread_path_if_profitable): Move...
8063 (thread_jumps::maybe_register_path): ...to here.
8064 (thread_jumps::handle_phi): Call find_taken_edge and
8065 maybe_register_path.
8066 (thread_jumps::handle_assignment): Same.
8067 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
8068 tree argument to handle_phi and handle_assignment.
8069 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
8070 set of m_speed_p and m_max_threaded_paths.
8071 (pass_thread_jumps::execute): Remove second argument from
8072 find_jump_threads_backwards.
8073 (pass_early_thread_jumps::execute): Same.
8075 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
8077 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
8078 (class dom_opt_dom_walker): Initialize some class variables.
8079 (pass_dominator::execute): Pass evrp_range_analyzer and
8080 dom_jump_threader_simplifier to dom_opt_dom_walker.
8081 Adjust for some functions moving into classes.
8082 (simplify_stmt_for_jump_threading): Adjust and move to...
8083 (jump_threader_simplifier::simplify): ...here.
8084 (dom_opt_dom_walker::before_dom_children): Adjust for
8085 m_evrp_range_analyzer.
8086 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
8087 (test_for_singularity): Place in dom_opt_dom_walker class.
8088 (dom_opt_dom_walker::optimize_stmt): The argument
8089 evrp_range_analyzer is now a class field.
8090 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
8091 (thread_jumps::thread_through_all_blocks): New.
8092 (thread_jumps::convert_and_register_current_path): Use m_registry.
8093 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
8094 being in the threader class.
8095 (pass_early_thread_jumps::execute): Same.
8096 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
8097 (jump_threader::jump_threader): ...here.
8098 (threadedge_finalize_values): Move...
8099 (jump_threader::~jump_threader): ...here.
8100 (jump_threader::remove_jump_threads_including): New.
8101 (jump_threader::thread_through_all_blocks): New.
8102 (record_temporary_equivalences_from_phis): Move...
8103 (jump_threader::record_temporary_equivalences_from_phis): ...here.
8104 (record_temporary_equivalences_from_stmts_at_dest): Move...
8105 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
8107 (simplify_control_stmt_condition_1): Move to jump_threader class.
8108 (simplify_control_stmt_condition): Move...
8109 (jump_threader::simplify_control_stmt_condition): ...here.
8110 (thread_around_empty_blocks): Move...
8111 (jump_threader::thread_around_empty_blocks): ...here.
8112 (thread_through_normal_block): Move...
8113 (jump_threader::thread_through_normal_block): ...here.
8114 (thread_across_edge): Move...
8115 (jump_threader::thread_across_edge): ...here.
8116 (thread_outgoing_edges): Move...
8117 (jump_threader::thread_outgoing_edges): ...here.
8118 * tree-ssa-threadedge.h: Move externally facing functings...
8119 (class jump_threader): ...here...
8120 (class jump_threader_simplifier): ...and here.
8121 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
8122 (jump_thread_path_allocator::jump_thread_path_allocator): New.
8123 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
8124 (jump_thread_path_allocator::allocate_thread_edge): New.
8125 (jump_thread_path_allocator::allocate_thread_path): New.
8126 (jump_thread_path_registry::jump_thread_path_registry): New.
8127 (jump_thread_path_registry::~jump_thread_path_registry): New.
8128 (jump_thread_path_registry::allocate_thread_edge): New.
8129 (jump_thread_path_registry::allocate_thread_path): New.
8130 (dump_jump_thread_path): Make extern.
8131 (debug (const vec<jump_thread_edge *> &path)): New.
8132 (struct removed_edges): Move to tree-ssa-threadupdate.h.
8133 (struct thread_stats_d): Remove.
8134 (remove_ctrl_stmt_and_useless_edges): Make static.
8135 (lookup_redirection_data): Move...
8136 (jump_thread_path_registry::lookup_redirection_data): ...here.
8137 (ssa_redirect_edges): Make static.
8138 (thread_block_1): Move...
8139 (jump_thread_path_registry::thread_block_1): ...here.
8140 (thread_block): Move...
8141 (jump_thread_path_registry::thread_block): ...here.
8142 (thread_through_loop_header): Move...
8143 (jump_thread_path_registry::thread_through_loop_header): ...here.
8144 (mark_threaded_blocks): Move...
8145 (jump_thread_path_registry::mark_threaded_blocks): ...here.
8146 (debug_path): Move...
8147 (jump_thread_path_registry::debug_path): ...here.
8148 (debug_all_paths): Move...
8149 (jump_thread_path_registry::dump): ..here.
8150 (rewire_first_differing_edge): Move...
8151 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
8152 (adjust_paths_after_duplication): Move...
8153 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
8154 (duplicate_thread_path): Move...
8155 (jump_thread_path_registry::duplicate_thread_path): ..here.
8156 (remove_jump_threads_including): Move...
8157 (jump_thread_path_registry::remove_jump_threads_including): ...here.
8158 (thread_through_all_blocks): Move to...
8159 (jump_thread_path_registry::thread_through_all_blocks): ...here.
8160 (delete_jump_thread_path): Remove.
8161 (register_jump_thread): Move...
8162 (jump_thread_path_registry::register_jump_thread): ...here.
8163 * tree-ssa-threadupdate.h: Move externally facing functions...
8164 (class jump_thread_path_allocator): ...here...
8165 (class jump_thread_path_registry): ...and here.
8166 (thread_through_all_blocks): Remove.
8167 (struct removed_edges): New.
8168 (register_jump_thread): Remove.
8169 (remove_jump_threads_including): Remove.
8170 (delete_jump_thread_path): Remove.
8171 (remove_ctrl_stmt_and_useless_edges): Remove.
8172 (free_dom_edge_info): New prototype.
8173 * tree-vrp.c: Remove x_vr_values hack.
8174 (class vrp_jump_threader_simplifier): New.
8175 (vrp_jump_threader_simplifier::simplify): New.
8176 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
8177 Remove m_dummy_cond.
8178 Instantiate m_simplifier and m_threader.
8179 (vrp_jump_threader::thread_through_all_blocks): New.
8180 (vrp_jump_threader::simplify_stmt): Remove.
8181 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
8182 Remove x_vr_values hack.
8183 (execute_vrp): Adjust for thread_through_all_blocks being in a
8186 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
8188 * genflags.c (gen_insn): Print failed expansion string.
8190 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
8192 * expr.c (alignment_for_piecewise_move): Call mode_for_size
8193 without limit to MAX_FIXED_MODE_SIZE.
8195 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
8198 * builtins.c (builtin_memset_gen_str): Don't use return from
8199 simplify_gen_subreg.
8201 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
8204 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
8205 (*addsi3_carry_zext_0r): Ditto.
8206 (*sub<mode>3_carry_0): Ditto.
8207 (*subsi3_carry_zext_0r): Ditto.
8208 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
8210 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
8211 Also consider ix86_carry_flag_unset_operator to calculate
8212 the cost of adc/sbb insn.
8214 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
8216 PR rtl-optimization/100225
8217 PR rtl-optimization/84878
8218 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
8219 where we have an instruction which touches (writes) any hard
8220 register from df->regular_block_artificial_uses set.
8221 Allow not-single-set instruction only right before basic block
8224 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
8226 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
8228 2021-04-30 LevyHsu <admin@levyhsu.com>
8230 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
8231 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
8232 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
8233 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
8235 2021-04-29 Alexandre Oliva <oliva@adacore.com>
8237 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
8239 2021-04-29 Alexandre Oliva <oliva@adacore.com>
8241 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
8242 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
8243 * config/i386/i386.c: Adjust.
8244 * config/i386/i386.md: Adjust.
8245 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
8246 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8247 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8248 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8249 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8250 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8251 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8252 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8253 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8254 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8255 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
8257 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8259 * config/i386/i386-expand.c (ix86_expand_int_compare):
8260 Swap operands of GTU and LEU comparison to emit carry flag comparison.
8261 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
8262 predicate to allow more combine opportunities with memory operands.
8263 (*sub<mode>3_carry_0): Ditto.
8265 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
8267 PR rtl-optimization/100303
8268 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
8269 boolean that indicates whether the use will only be used in
8270 debug instructions. Treat it in the same way that existing
8271 cross-EBB debug references would be handled if so.
8272 (function_info::make_uses_available): Likewise.
8273 * rtl-ssa/functions.h (function_info::make_uses_available): Update
8274 prototype accordingly.
8275 (function_info::make_uses_available): Likewise.
8276 * fwprop.c (try_fwprop_subst): Update call accordingly.
8278 2021-04-29 Jeff Law <jlaw@tachyum.com>
8280 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
8283 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8284 Richard Biener <rguenther@suse.de>
8287 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
8288 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
8289 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
8290 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
8291 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
8292 to PURE_ARGS category.
8293 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
8294 Handle PURE_ARGS category.
8295 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
8297 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
8299 * configure.ac: Check for the presence of sys/locking.h header and
8300 for whether _LK_LOCK is supported by _locking.
8301 * configure: Regenerate.
8302 * config.in: Likewise.
8303 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
8304 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
8305 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
8307 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8309 * config/i386/predicates.md (fcmov_comparison_operator):
8310 Do not check for trivial FP comparison operator.
8311 <case GEU, case LTU>: Allow CCGZmode.
8312 <case GTU, case LEU>: Do not allow CCCmode.
8313 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
8314 (ix86_carry_flag_operator): Match only LTU and UNLT code.
8315 Do not check for trivial FP comparison operator. Allow CCGZmode.
8317 2021-04-29 Tom de Vries <tdevries@suse.de>
8319 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
8320 fd->loop.step by either step or orig_step.
8322 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
8324 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
8325 (load_got_register): Do the PIC dance here.
8326 (sparc_legitimize_tls_address): Simplify.
8327 (sparc_emit_probe_stack_range): Likewise.
8328 (sparc32_initialize_trampoline): Likewise.
8329 (sparc64_initialize_trampoline): Likewise.
8330 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
8331 (probe_stack_range<P:mode>): Likewise.
8332 (flush<P:mode>): Likewise.
8333 (tgd_hi22<P:mode>): Likewise.
8334 (tgd_lo10<P:mode>): Likewise.
8335 (tgd_add<P:mode>): Likewise.
8336 (tgd_call<P:mode>): Likewise.
8337 (tldm_hi22<P:mode>): Likewise.
8338 (tldm_lo10<P:mode>): Likewise.
8339 (tldm_add<P:mode>): Likewise.
8340 (tldm_call<P:mode>): Likewise.
8341 (tldo_hix22<P:mode>): Likewise.
8342 (tldo_lox10<P:mode>): Likewise.
8343 (tldo_add<P:mode>): Likewise.
8344 (tie_hi22<P:mode>): Likewise.
8345 (tie_lo10<P:mode>): Likewise.
8346 (tie_add<P:mode>): Likewise.
8347 (tle_hix22<P:mode>): Likewise.
8348 (tle_lox10<P:mode>): Likewise.
8349 (stack_protect_setsi): Rename to...
8350 (stack_protect_set32): ...this.
8351 (stack_protect_setdi): Rename to...
8352 (stack_protect_set64): ...this.
8353 (stack_protect_set): Adjust calls to above.
8354 (stack_protect_testsi): Rename to...
8355 (stack_protect_test32): ...this.
8356 (stack_protect_testdi): Rename to...
8357 (stack_protect_test64): ...this.
8358 (stack_protect_test): Adjust calls to above.
8360 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
8363 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
8364 (builtin_strncpy_read_str): Likewise.
8365 (builtin_memset_read_str): Add an argument for the previous RTL
8366 information and generate the new RTL from the previous RTL info.
8367 (builtin_memset_gen_str): Likewise.
8368 * builtins.h (builtin_strncpy_read_str): Update the prototype.
8369 (builtin_memset_read_str): Likewise.
8370 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
8371 returns true, round up size and alignment to the widest integer
8372 mode for maximum size.
8373 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
8374 and pass it to m_constfn.
8375 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
8376 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
8377 initialize m_push. Initialize m_overlap_op_by_pieces with
8378 targetm.overlap_op_by_pieces_p ().
8379 (op_by_pieces_d::run): Pass the previous RTL information to
8380 pieces_addr::adjust and generate overlapping operations if
8381 m_overlap_op_by_pieces is true.
8383 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
8385 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
8387 (can_store_by_pieces): Use by_pieces_constfn on constfun.
8388 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
8389 for op_by_pieces_d change.
8390 (clear_by_pieces_1): Add a dummy argument.
8391 (clear_by_pieces): Updated for op_by_pieces_d change.
8392 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
8393 (string_cst_read_str): Add a dummy argument.
8394 * expr.h (by_pieces_constfn): Add a dummy argument.
8395 (by_pieces_prev): New.
8396 * target.def (overlap_op_by_pieces_p): New target hook.
8397 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
8398 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
8399 * doc/tm.texi: Regenerated.
8401 2021-04-29 Richard Biener <rguenther@suse.de>
8403 PR tree-optimization/100253
8404 * tree-vect-stmts.c (vectorizable_load): Do not assume
8405 element alignment when DR_MISALIGNMENT is -1.
8406 (vectorizable_store): Likewise.
8408 2021-04-29 Jakub Jelinek <jakub@redhat.com>
8411 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
8412 absu_hwi instead of abs_hwi.
8414 2021-04-29 Richard Biener <rguenther@suse.de>
8417 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
8418 forwarding when indirect forwarding through ESCAPED
8421 2021-04-29 Tom de Vries <tdevries@suse.de>
8424 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
8425 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
8426 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
8427 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
8429 2021-04-29 Richard Biener <rguenther@suse.de>
8431 PR tree-optimization/99912
8432 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
8433 (dse_dom_walker::todo): Likewise.
8434 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
8436 (dse_dom_walker::before_dom_children): Remove trivially
8437 dead SSA defs and schedule CFG cleanup if we removed all
8439 (pass_dse::execute): Get TODO as computed by the DOM walker
8440 and return it. Wipe dominator info earlier.
8442 2021-04-29 Richard Biener <rguenther@suse.de>
8445 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
8446 Track blocks to cleanup EH in new m_need_eh_cleanup.
8447 (ipcp_modif_dom_walker::cleanup_eh): New.
8448 (ipcp_transform_function): Release dominator info before
8451 2021-04-29 Martin Sebor <msebor@redhat.com>
8453 PR middle-end/100250
8454 * attribs.c (attr_access::array_as_string): Avoid dereferencing
8455 a pointer when it's null.
8457 2021-04-29 Martin Sebor <msebor@redhat.com>
8459 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
8460 * ipa-free-lang-data.cc: New file.
8461 * tree.c: Move pass free_lang_data to file above.
8462 (build_array_type_1): Declare extern.
8463 * tree.h (build_array_type_1): Declare.
8465 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8467 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
8468 make consistent with updated RTL pattern.
8469 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
8470 Implement using ss_truncate and us_truncate rather than
8472 * config/aarch64/iterators.md: Remove redundant unspecs and
8473 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
8475 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8477 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
8478 attributes consistent with those defined in arm_neon.h.
8480 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8482 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
8483 attributes consistent with those defined in arm_neon.h.
8485 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8487 * config/aarch64/aarch64-simd-builtins.def: Add
8488 float_trunc_rodd builtin generator macros.
8489 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
8491 (aarch64_float_trunc_rodd_lo_v2sf): Define.
8492 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
8493 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
8494 (aarch64_float_trunc_rodd_hi_v4sf): Define.
8495 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
8496 instead of inline asm.
8497 (vcvtx_high_f32_f64): Likewise.
8498 (vcvtxd_f32_f64): Likewise.
8499 * config/aarch64/iterators.md: Add FCVTXN unspec.
8501 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8503 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
8505 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
8507 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
8508 instead of inline asm.
8509 (vqtbx1_u8): Likewise.
8510 (vqtbx1_p8): Likewise.
8511 (vqtbx1q_s8): Likewise.
8512 (vqtbx1q_u8): Likewise.
8513 (vqtbx1q_p8): Likewise.
8514 (vtbx2_s8): Likewise.
8515 (vtbx2_u8): Likewise.
8516 (vtbx2_p8): Likewise.
8518 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8520 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
8522 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
8523 instead of inline asm.
8524 (vqtbl1_s8): Likewise.
8525 (vqtbl1_u8): Likewise.
8526 (vqtbl1q_p8): Likewise.
8527 (vqtbl1q_s8): Likewise.
8528 (vqtbl1q_u8): Likewise.
8529 (vtbl1_s8): Likewise.
8530 (vtbl1_u8): Likewise.
8531 (vtbl1_p8): Likewise.
8532 (vtbl2_s8): Likewise.
8533 (vtbl2_u8): Likewise.
8534 (vtbl2_p8): Likewise.
8536 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8538 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
8539 ssri_n buitin generator macro.
8540 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
8541 instead of inline asm.
8542 (vsri_n_p16): Likewise.
8543 (vsri_n_p64): Likewise.
8544 (vsriq_n_p8): Likewise.
8545 (vsriq_n_p16): Likewise.
8546 (vsriq_n_p64): Likewise.
8548 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8550 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
8551 iterator for polynomial ssli_n builtin generator macro.
8552 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
8553 instead of inline asm.
8554 (vsli_n_p16): Likewise.
8555 (vsliq_n_p8): Likewise.
8556 (vsliq_n_p16): Likewise.
8557 * config/aarch64/iterators.md: Define VALLP mode iterator.
8559 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8561 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
8562 iterator to generate [su]adalp RTL builtins.
8563 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
8564 [su]adalp RTL pattern.
8565 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
8566 instead of inline asm.
8567 (vpadal_u32): Likewise.
8569 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8571 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
8572 builtin generator macros.
8573 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
8575 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
8576 instead of inline asm.
8577 (vpaddl_s16): Likewise.
8578 (vpaddl_s32): Likewise.
8579 (vpaddl_u8): Likewise.
8580 (vpaddl_u16): Likewise.
8581 (vpaddl_u32): Likewise.
8582 (vpaddlq_s8): Likewise.
8583 (vpaddlq_s16): Likewise.
8584 (vpaddlq_s32): Likewise.
8585 (vpaddlq_u8): Likewise.
8586 (vpaddlq_u16): Likewise.
8587 (vpaddlq_u32): Liwewise.
8588 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
8589 appropriate attributes.
8591 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8593 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
8594 for aarch64_addp<mode> builtin macro generator.
8595 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
8596 aarch64_addp<mode> RTL pattern.
8597 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
8598 instead of inline asm.
8599 (vpaddq_s16): Likewise.
8600 (vpaddq_s32): Likewise.
8601 (vpaddq_s64): Likewise.
8602 (vpaddq_u8): Likewise.
8603 (vpaddq_u16): Likewise.
8604 (vpaddq_u32): Likewise.
8605 (vpaddq_u64): Likewise.
8607 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8609 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
8610 builtin generator macros.
8611 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
8613 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
8614 instead of inline asm.
8615 (vqdmulh_n_s32): Likewise.
8616 (vqdmulhq_n_s16): Likewise.
8617 (vqdmulhq_n_s32): Likewise.
8618 (vqrdmulh_n_s16): Likewise.
8619 (vqrdmulh_n_s32): Likewise.
8620 (vqrdmulhq_n_s16): Likewise.
8621 (vqrdmulhq_n_s32): Likewise.
8623 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
8625 * doc/install.texi (--enable-offload-defaulted): Document.
8627 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
8629 * config/avr/avr-dimode.md: Turn existing patterns into
8630 define_insn_and_split style patterns where the splitter
8631 adds a clobber of the condition code register. Drop "cc"
8632 attribute. Add new patterns to match output of
8634 * config/avr/avr-fixed.md: Likewise.
8635 * config/avr/avr.c (cc_reg_rtx): New.
8636 (avr_parallel_insn_from_insns): Adjust insn count
8637 for removal of set of cc0.
8638 (avr_is_casesi_sequence): Likewise.
8639 (avr_casei_sequence_check_operands): Likewise.
8640 (avr_optimize_casesi): Likewise. Also insert
8641 new insns after jump_insn.
8642 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
8643 for removal of set of cc0.
8644 (avr_init_expanders): Initialize cc_reg_rtx.
8645 (avr_regno_reg_class): Handle REG_CC.
8646 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
8647 (avr_notice_update_cc): Remove function.
8648 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
8649 (compare_condition): Adjust for PARALLEL with
8651 (out_shift_with_cnt): Likewise.
8652 (ashlhi3_out): Likewise.
8653 (ashrhi3_out): Likewise.
8654 (lshrhi3_out): Likewise.
8655 (avr_class_max_nregs): Return single reg for REG_CC.
8656 (avr_compare_pattern): Check for REG_CC instead
8658 (avr_reorg_remove_redundant_compare): Likewise.
8659 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
8660 (avr_hard_regno_nregs): Return single reg for REG_CC.
8661 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
8662 (avr_md_asm_adjust): Clobber REG_CC.
8663 (TARGET_HARD_REGNO_NREGS): Define.
8664 (TARGET_CLASS_MAX_NREGS): Define.
8665 (TARGET_MD_ASM_ADJUST): Define.
8666 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
8668 (enum reg_class): Add CC_REG class.
8669 (NOTICE_UPDATE_CC): Remove.
8670 (CC_OVERFLOW_UNUSABLE): Remove.
8671 (CC_NO_CARRY): Remove.
8672 * config/avr/avr.md: Turn existing patterns into
8673 define_insn_and_split style patterns where the splitter
8674 adds a clobber of the condition code register. Drop "cc"
8675 attribute. Add new patterns to match output of
8677 (sez): Remove unused pattern.
8679 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
8682 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
8685 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
8688 * config/aarch64/constraints.md (Utq): Require the address to
8689 be valid for both the element mode and for V2DImode.
8691 2021-04-28 Jakub Jelinek <jakub@redhat.com>
8692 Tobias Burnus <tobias@codesourcery.com>
8694 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
8695 * gcc.c (process_command): New variable.
8696 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
8697 set it if -foffload is defaulted.
8698 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
8699 (compile_offload_image): If OFFLOAD_DEFAULTED and
8700 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
8701 if corresponding mkoffload can't be found.
8702 (compile_images_for_offload_targets): Likewise. Free and clear
8703 offload_names if no valid offload is found.
8704 * config.in: Regenerate.
8705 * configure: Regenerate.
8707 2021-04-28 Richard Biener <rguenther@suse.de>
8709 PR tree-optimization/100292
8710 * tree-vect-generic.c (expand_vector_condition): Do not fold
8713 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8715 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
8716 * config/rs6000/aix64.opt (m64): New.
8719 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8721 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
8722 (index_term_p): Handle ASHIFT too.
8724 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8726 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
8727 (sync_lock_test_and_set<mode>): Adjust accordingly.
8728 (sync_lock_release<mode>): Likewise.
8730 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8732 * config/vax/vax-protos.h (adjacent_operands_p): Remove
8734 * config/vax/vax.c (adjacent_operands_p): Remove.
8736 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
8738 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
8739 through to the non-conditional execution case if getting the
8740 condition for conditional execution has failed.
8742 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
8744 PR middle-end/100284
8745 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
8746 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
8747 than asserting on it.
8749 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8751 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
8754 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8757 * calls.c (precompute_register_parameters): Additionally test
8758 targetm.precompute_tls_p to pre-compute argument.
8759 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
8760 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
8761 * target.def (precompute_tls_p): New.
8762 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
8763 * doc/tm.texi: Regenerated.
8765 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8768 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
8769 back to HOST_WIDE_INT.
8771 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
8774 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
8775 memory alignment for the outer mode.
8777 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
8780 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
8781 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
8783 2021-04-27 Alex Coplan <alex.coplan@arm.com>
8786 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
8787 with negative immediates: ensure we expand cbranchsi4_scratch
8788 correctly and ensure we satisfy its constraints.
8789 * config/arm/sync.md
8790 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
8791 attempt to tie two output operands together with constraints;
8792 collapse two alternatives.
8793 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
8794 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
8796 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8799 * config/aarch64/predicates.md (aarch64_sub_immediate,
8800 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
8801 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
8802 * config/aarch64/aarch64.c (aarch64_print_operand,
8803 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
8805 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8807 PR tree-optimization/100239
8808 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
8809 permutations with all indices from the first zero element as vec_shl.
8811 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8813 PR rtl-optimization/100254
8814 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
8815 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
8817 2021-04-27 Richard Biener <rguenther@suse.de>
8819 PR tree-optimization/99912
8820 * passes.def: Add comment about new TODO_remove_unused_locals.
8821 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
8824 2021-04-27 Richard Biener <rguenther@suse.de>
8826 PR tree-optimization/99912
8827 * passes.def (pass_all_optimizations): Add pass_dse before
8828 the first pass_dce, move the first pass_dse before the
8829 pass_dce following pass_pre.
8831 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8833 PR tree-optimization/95527
8834 * generic-match-head.c: Include tm.h.
8835 * gimple-match-head.c: Include tm.h.
8836 * match.pd (CLZ == INTEGER_CST): Don't use
8837 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
8838 if clz == CFN_CLZ. Add missing val declaration.
8839 (CTZ cmp CST): New simplifications.
8841 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8843 PR tree-optimization/96696
8844 * expr.c (expand_expr_divmod): New function.
8845 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
8846 divisions. Formatting fixes.
8847 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
8850 2021-04-27 Martin Jambor <mjambor@suse.cz>
8853 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
8854 If removing a call statement LHS SSA name, release it.
8856 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
8859 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
8860 is valid before including it in the mask.
8862 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
8865 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
8868 2021-04-27 Richard Biener <rguenther@suse.de>
8870 PR tree-optimization/100051
8871 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
8872 disambiguator based on access size vs. decl size.
8874 2021-04-27 Richard Biener <rguenther@suse.de>
8876 PR tree-optimization/100278
8877 * tree-ssa-pre.c (compute_avail): Give up when we cannot
8878 adjust TBAA beacuse of mismatching bases.
8880 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8883 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
8884 For any_rotate define_insn_split and following splitters, use
8885 SWI iterator instead of SWI48.
8887 2021-04-27 Richard Biener <rguenther@suse.de>
8889 PR tree-optimization/99776
8890 * match.pd (bit_field_ref (ctor)): Relax element extract
8891 type compatibility checks.
8893 2021-04-27 Cui,Lili <lili.cui@intel.com>
8895 * common/config/i386/i386-common.c (processor_names):
8896 Sync processor_names with processor_type.
8897 * config/i386/i386-options.c (processor_cost_table):
8898 Sync processor_cost_table with processor_type.
8900 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8902 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
8903 (irange::set): Call irange_set_1bit_anti_range for handling all
8904 1-bit ranges. Fall through on ~[MIN,MAX].
8906 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8908 * value-range.cc (irange::legacy_num_pairs): Remove.
8909 (irange::invert): Change gcc_assert to gcc_checking_assert.
8910 * value-range.h (irange::num_pairs): Adjust for a cached
8911 num_pairs(). Also, rename all gcc_assert's to
8912 gcc_checking_assert's.
8914 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8916 * value-range.cc (irange::operator=): Set m_kind.
8917 (irange::copy_to_legacy): Handle varying and undefined sources
8918 as a legacy copy since they can be easily copied.
8919 (irange::irange_set): Set m_kind.
8920 (irange::irange_set_anti_range): Same.
8921 (irange::set): Rename normalize_min_max to normalize_kind.
8922 (irange::verify_range): Adjust for multi-ranges having the
8924 (irange::irange_union): Set m_kind.
8925 (irange::irange_intersect): Same.
8926 (irange::invert): Same.
8927 * value-range.h (irange::kind): Always return m_kind.
8928 (irange::varying_p): Rename to...
8929 (irange::varying_comptaible_p): ...this.
8930 (irange::undefined_p): Only look at m_kind.
8931 (irange::irange): Always set VR_UNDEFINED if applicable.
8932 (irange::set_undefined): Always set VR_UNDEFINED.
8933 (irange::set_varying): Always set m_kind to VR_VARYING.
8934 (irange::normalize_min_max): Rename to...
8935 (irange::normalize_kind): ...this.
8937 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8939 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
8940 Adjust for constant_p including varying_p.
8941 * tree-vrp.c (vrp_prop::finalize): Same.
8942 (determine_value_range): Same.
8943 * vr-values.c (vr_values::range_of_expr): Same.
8944 * value-range.cc (irange::symbolic_p): Do not check varying_p.
8945 (irange::constant_p): Same.
8947 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8949 * value-range.cc (irange::legacy_lower_bound): Replace
8950 !undefined_p check with num_ranges > 0.
8951 (irange::legacy_upper_bound): Same.
8952 * value-range.h (irange::type): Same.
8953 (irange::lower_bound): Same.
8954 (irange::upper_bound): Same.
8956 2021-04-26 Richard Biener <rguenther@suse.de>
8958 PR tree-optimization/99956
8959 * gimple-loop-interchange.cc (compute_access_stride):
8960 Try instantiating the access in a shallower loop nest
8961 if instantiating failed.
8962 (compute_access_strides): Pass adjustable loop_nest
8963 to compute_access_stride.
8965 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
8967 * doc/sourcebuild.texi (arm_cmse_hw): Document.
8969 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8971 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
8973 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
8974 Nathan Sidwell <nathan@codesourcery.com>
8975 Tom de Vries <vries@codesourcery.com>
8976 Julian Brown <julian@codesourcery.com>
8977 Kwok Cheung Yeung <kcy@codesourcery.com>
8979 * omp-offload.c (oacc_validate_dims): Implement
8980 '-Wopenacc-parallelism'.
8981 * doc/invoke.texi (-Wopenacc-parallelism): Document.
8983 2021-04-26 Richard Biener <rguenther@suse.de>
8985 * tree-cfg.h (gimplify_build1): Remove.
8986 (gimplify_build2): Likewise.
8987 (gimplify_build3): Likewise.
8988 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
8989 (gimplify_build2): Likewise.
8990 (gimplify_build3): Likewise.
8991 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
8993 (gimplify_build2): Likewise.
8994 (gimplify_build3): Likewise.
8995 (tree_vec_extract): Use resimplify with following SSA edges.
8996 (expand_vector_parallel): Avoid passing NULL size/bitpos
8997 to tree_vec_extract.
8998 * expr.c (store_constructor): Deal with zero-element CTORs.
8999 * match.pd (bit_field_ref <vector CTOR>): Make sure to
9000 produce vector constants when possible.
9002 2021-04-26 Richard Biener <rguenther@suse.de>
9004 * tree-complex.c: Include gimple-fold.h.
9005 (expand_complex_addition): Use gimple_build.
9006 (expand_complex_multiplication_components): Likewise.
9007 (expand_complex_multiplication): Likewise.
9008 (expand_complex_div_straight): Likewise.
9009 (expand_complex_div_wide): Likewise.
9010 (expand_complex_division): Likewise.
9011 (expand_complex_conjugate): Likewise.
9012 (expand_complex_comparison): Likewise.
9014 2021-04-26 Richard Biener <rguenther@suse.de>
9016 * tree-ssa-phiopt.c (two_value_replacement): Remove use
9017 of legacy gimplify_buildN API.
9019 2021-04-26 Richard Biener <rguenther@suse.de>
9021 PR tree-optimization/99473
9022 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
9025 2021-04-26 Richard Biener <rguenther@suse.de>
9027 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
9028 Use replace_call_with_value.
9030 2021-04-26 Richard Biener <rguenther@suse.de>
9032 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
9033 (update_gimple_call): Likewise.
9034 (update_call_from_tree): Likewise.
9035 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
9036 (valid_gimple_call_p): Likewise.
9037 (move_ssa_defining_stmt_for_defs): Likewise.
9038 (finish_update_gimple_call): Likewise.
9039 (update_gimple_call): Likewise.
9040 (update_call_from_tree): Likewise.
9041 (propagate_tree_value_into_stmt): Use replace_call_with_value.
9042 * gimple-fold.h (update_gimple_call): Declare.
9043 * gimple-fold.c (valid_gimple_rhs_p): Move here from
9044 tree-ssa-propagate.c.
9045 (update_gimple_call): Likewise.
9046 (valid_gimple_call_p): Likewise.
9047 (finish_update_gimple_call): Likewise, and simplify.
9048 (gimplify_and_update_call_from_tree): Implement
9049 update_call_from_tree functionality, avoid excessive
9050 push/pop_gimplify_context.
9051 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
9052 (gimple_fold_call): Likewise.
9053 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
9054 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
9055 (pass_fold_builtins::execute): Likewise.
9056 (optimize_stack_restore): Use replace_call_with_value.
9057 * tree-cfg.c (fold_loop_internal_call): Likewise.
9058 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
9059 only gimplify_and_update_call_from_tree.
9060 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
9061 (handle_builtin_strchr): Likewise.
9062 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
9064 2021-04-26 Jakub Jelinek <jakub@redhat.com>
9067 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
9068 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
9071 2021-04-25 liuhongt <hongtao.liu@intel.com>
9074 * config/i386/i386-builtin.def (BDESC): Change the icode of
9075 the following builtins to CODE_FOR_nothing.
9076 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
9077 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
9078 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
9079 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
9080 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
9081 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
9082 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
9083 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
9084 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
9085 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
9086 (sse2_eq<mode>3): Ditto.
9087 (sse4_1_eqv2di3): Ditto.
9088 (sse2_gt<mode>3): Rename to ..
9089 (*sse2_gt<mode>3): .. this.
9091 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
9094 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
9097 * config/darwin.c (darwin_binds_local_p): Assume that any
9098 public symbol might be interposed for PIC code. Update function
9099 header comment to reflect current Darwin capability.
9101 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
9104 * config/darwin.c (darwin_binds_local_p): Assume that any
9105 public symbol might be interposed for PIC code. Update function
9106 header comment to reflect current Darwin capability.
9108 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
9110 * doc/sourcebuild.texi: Document no-opts and any-opts target
9113 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
9115 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
9117 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
9119 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
9121 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
9124 * config/i386/i386-options.c (ix86_option_override_internal):
9125 Error out when -m96bit-long-double is used with 64bit targets.
9126 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
9128 2021-04-23 Martin Liska <mliska@suse.cz>
9130 * lto-wrapper.c: Remove FIXME about usage of
9131 hardware_concurrency. The function is not on par with
9134 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
9137 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
9138 Copy operand 3 to operand 4. Use sse_reg_operand
9139 as operand 3 predicate.
9140 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
9141 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
9142 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
9143 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
9144 Copy operand 1 to operand 0.
9145 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
9146 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
9147 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
9149 2021-04-23 Alex Coplan <alex.coplan@arm.com>
9151 PR rtl-optimization/100230
9152 * early-remat.c (early_remat::sort_candidates): Use delete[]
9153 instead of delete for array allocated with new[].
9155 2021-04-23 Richard Biener <rguenther@suse.de>
9157 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
9158 (capture_info::capture_info): Likewise.
9159 (capture_info::walk_match): Likewise.
9160 (expr::gen_transform): Likewise.
9161 (dt_simplify::gen_1): Likewise.
9162 * gimple-match-head.c (maybe_resimplify_conditional_op):
9163 Remove VEC_COND_EXPR special-casing.
9164 (gimple_simplify): Likewise.
9165 * gimple.c (gimple_could_trap_p_1): Adjust.
9166 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
9167 to participate in PRE.
9169 2021-04-23 Richard Biener <rguenther@suse.de>
9171 * cfganal.c (connect_infinite_loops_to_exit): First call
9172 add_noreturn_fake_exit_edges.
9173 * ipa-sra.c (process_scan_results): Do not call the now redundant
9174 add_noreturn_fake_exit_edges.
9175 * predict.c (tree_estimate_probability): Likewise.
9176 (rebuild_frequencies): Likewise.
9177 * store-motion.c (one_store_motion_pass): Likewise.
9179 2021-04-23 Richard Biener <rguenther@suse.de>
9181 PR tree-optimization/100222
9182 * predict.c (pass_profile::execute): Remove redundant call to
9183 mark_irreducible_loops.
9184 (report_predictor_hitrates): Likewise.
9186 2021-04-23 Richard Biener <rguenther@suse.de>
9188 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
9189 valid_gimple_rhs_p by instead gimplifying to one.
9191 2021-04-23 Richard Biener <rguenther@suse.de>
9193 PR tree-optimization/99971
9194 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
9195 Always use TBAA for loads.
9197 2021-04-23 liuhongt <hongtao.liu@intel.com>
9200 * config/i386/i386-options.c (ix86_option_override_internal):
9201 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
9202 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
9203 by target attribute.
9205 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
9207 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
9209 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
9211 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
9213 * config.gcc (powerpc-ibm-aix6.*): Remove.
9214 * config/rs6000/aix61.h: Delete.
9216 2021-04-22 Martin Liska <mliska@suse.cz>
9220 * builtins.c (expand_builtin): Fix typos and missing comments.
9221 * dwarf2out.c (gen_subprogram_die): Likewise.
9222 (gen_struct_or_union_type_die): Likewise.
9224 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
9227 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
9228 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
9230 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
9232 * config/i386/darwin.h (TARGET_64BIT): Remove definition
9233 based on TARGET_ISA_64BIT.
9234 (TARGET_64BIT_P): Remove definition based on
9235 TARGET_ISA_64BIT_P().
9237 2021-04-21 Martin Liska <mliska@suse.cz>
9240 2021-04-21 Martin Liska <mliska@suse.cz>
9242 * lto-wrapper.c (cpuset_popcount): Remove.
9243 (init_num_threads): Remove and use hardware_concurrency.
9245 2021-04-21 Martin Liska <mliska@suse.cz>
9248 * main.c (main): Call toplev::finalize in CHECKING_P mode.
9249 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
9250 when incremental LTO linking happens.
9252 2021-04-21 Martin Liska <mliska@suse.cz>
9254 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
9255 makeserver cannot be detected, then use -flto=N fallback.
9257 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
9259 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
9260 default to yes for aarch64-linux-gnu.
9261 * configure: Regenerate.
9263 2021-04-21 Martin Liska <mliska@suse.cz>
9265 * lto-wrapper.c (cpuset_popcount): Remove.
9266 (init_num_threads): Remove and use hardware_concurrency.
9268 2021-04-21 Martin Liska <mliska@suse.cz>
9270 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
9271 which remains to be '(... || 0)' and clang complains about it.
9272 * dwarf2out.c (AT_vms_delta): Declare conditionally.
9273 (add_AT_vms_delta): Likewise.
9274 * tree.c (fld_simplified_type): Use rather more common pattern
9275 for disabling of something (#if 0).
9276 (get_tree_code_name): Likewise.
9277 (verify_type_variant): Likewise.
9279 2021-04-21 Martin Liska <mliska@suse.cz>
9281 * config/i386/i386-expand.c (decide_alignment): Use newly named
9283 * config/i386/i386.c (ix86_decompose_address): Likewise.
9284 (ix86_address_cost): Likewise.
9285 (ix86_lea_outperforms): Likewise.
9286 (ix86_avoid_lea_for_addr): Likewise.
9287 (ix86_add_stmt_cost): Likewise.
9288 * config/i386/i386.h (TARGET_*): Remove.
9289 (TARGET_CPU_P): New macro.
9290 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
9291 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
9292 (swap_top_of_ready_list): Likewise.
9293 (ix86_atom_sched_reorder): Likewise.
9294 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
9295 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
9297 2021-04-21 Martin Liska <mliska@suse.cz>
9299 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
9301 (SET_TARGET_NO_SAHF): Likewise.
9302 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
9303 (SET_TARGET_PREFETCH_SSE): Likewise.
9304 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
9305 (SET_TARGET_NO_TUNE): Likewise.
9306 (TARGET_EXPLICIT_NO_80387_P): Likewise.
9307 (SET_TARGET_NO_80387): Likewise.
9309 * config/i386/i386.h (TARGET_*): Remove.
9310 * opth-gen.awk: Generate new used macros.
9312 2021-04-21 Martin Liska <mliska@suse.cz>
9314 * config/i386/i386.h (PTA_*): Remove.
9315 (enum pta_flag): New.
9316 (DEF_PTA): Generate PTA_* values from i386-isa.def.
9317 * config/i386/i386-isa.def: New file.
9319 2021-04-21 Alex Coplan <alex.coplan@arm.com>
9322 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
9323 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
9326 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
9328 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
9330 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
9332 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
9333 (ix86_handle_option): Handle -mmwait.
9334 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
9335 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
9336 __builtin_ia32_monitor and __builtin_ia32_mwait.
9337 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
9338 (ix86_valid_target_attribute_inner_p): Likewise.
9339 (ix86_option_override_internal): Enable mwait/monitor
9340 instructions for -msse3.
9341 * config/i386/i386.h (TARGET_MWAIT): New.
9342 (TARGET_MWAIT_P): Likewise.
9343 * config/i386/i386.opt: Add -mmwait.
9344 * config/i386/mwaitintrin.h: New file.
9345 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
9346 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
9348 (@sse3_monitor_<mode>): Likewise.
9349 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
9350 * doc/extend.texi: Document mwait target attribute.
9351 * doc/invoke.texi: Document -mmwait.
9353 2021-04-21 Martin Liska <mliska@suse.cz>
9355 * config/i386/i386-options.c (DEF_ENUM): Remove it.
9356 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
9357 * config/i386/stringop.def (DEF_ENUM): Likewise.
9359 2021-04-21 Martin Liska <mliska@suse.cz>
9361 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
9362 of print_generic_expr.
9364 2021-04-21 Jakub Jelinek <jakub@redhat.com>
9366 PR rtl-optimization/100148
9367 * cprop.c (constprop_register): Use next_nondebug_insn instead of
9370 2021-04-21 Martin Liska <mliska@suse.cz>
9373 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
9374 free_dominance_info calls.
9376 2021-04-21 Richard Biener <rguenther@suse.de>
9378 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
9379 parameter (and assume it to be false).
9380 (fold_gimple_assign): Adjust, remove all callers of
9381 maybe_fold_reference calling it with is_lhs true.
9382 (gimple_fold_call): Likewise.
9383 (fold_stmt_1): Likewise.
9385 2021-04-21 Richard Biener <rguenther@suse.de>
9387 * fold-const.c (pedantic_non_lvalue_loc): Remove.
9388 (fold_binary_loc): Adjust.
9389 (fold_ternary_loc): Likewise.
9391 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
9393 PR middle-end/100130
9394 * varasm.c (get_block_for_decl): Make sure that any use of the
9395 retain attribute matches the section's retain flag.
9396 (switch_to_section): Check for retain mismatches even when
9397 changing sections, but do not warn if the given decl is the
9398 section's named.decl.
9399 (output_object_block): Pass the first decl in the block (if any)
9400 to switch_to_section.
9402 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
9404 * config/i386/i386-c.c (ix86_target_macros_internal): Define
9405 __CRC32__ for -mcrc32.
9406 * config/i386/i386-options.c (ix86_option_override_internal):
9407 Enable crc32 instruction for -msse4.2.
9408 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
9410 (sse4_2_crc32di): Likewise.
9411 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
9414 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
9417 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
9420 2021-04-20 Martin Liska <mliska@suse.cz>
9422 * doc/invoke.texi: Fix typo.
9423 * params.opt: Likewise.
9425 2021-04-20 Martin Liska <mliska@suse.cz>
9427 * doc/invoke.texi: Document new param.
9429 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
9431 PR tree-optimization/100081
9432 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
9433 rather than gori_compute_cache.
9434 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
9435 (range_def_chain::m_logical_depth): New member.
9436 (range_def_chain::range_def_chain): Initialize m_logical_depth.
9437 (range_def_chain::get_def_chain): Don't build defchains through more
9438 than LOGICAL_LIMIT logical expressions.
9439 * params.opt (param_ranger_logical_depth): New.
9441 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
9444 * config/arm/arm.c (arm_configure_build_target): Do not strip
9445 extended FPU/SIMD feature bits from the target ISA when -mfpu
9446 is specified (partial revert of r11-8168).
9448 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
9450 * params.opt (-param=openacc-kernels=): Add.
9451 * omp-oacc-kernels-decompose.cc
9452 (pass_omp_oacc_kernels_decompose::gate): Use it.
9453 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
9454 (--param): ... here, 'openacc-kernels'.
9456 2021-04-19 Martin Liska <mliska@suse.cz>
9459 * gengtype.c (finish_root_table): Align function arguments
9460 in between declaration and definition.
9462 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
9464 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
9465 frames larger than the SEH maximum frame size.
9467 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
9469 PR rtl-optimization/99927
9470 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
9471 is dead, just drop it.
9473 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
9476 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
9477 * doc/tm.texi: Regenerate.
9478 * doc/tm.texi.in (D language and ABI): Add @hook for
9479 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
9481 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
9483 * config/darwin-d.c (darwin_d_handle_target_object_format): New
9485 (darwin_d_register_target_info): New function.
9486 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9487 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
9489 (dragonfly_d_register_target_info): New function.
9490 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9491 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
9493 (freebsd_d_register_target_info): New function.
9494 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9495 * config/glibc-d.c (glibc_d_handle_target_object_format): New
9497 (glibc_d_register_target_info): New function.
9498 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9499 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
9501 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
9502 as handler for objectFormat key.
9503 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
9505 (winnt_d_register_target_info): New function.
9506 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9507 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
9509 (netbsd_d_register_target_info): New function.
9510 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9511 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
9513 (openbsd_d_register_target_info): New function.
9514 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9515 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
9516 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
9517 handler for objectFormat key.
9518 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
9520 (rs6000_d_register_target_info): Add
9521 rs6000_d_handle_target_object_format as handler for objectFormat key.
9522 * config/sol2-d.c (solaris_d_handle_target_object_format): New
9524 (solaris_d_register_target_info): New function.
9525 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9527 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9530 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
9531 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
9533 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
9534 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
9535 the old and new alignment after applying MIN/MAX to it is different.
9537 2021-04-16 Tamar Christina <tamar.christina@arm.com>
9540 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
9541 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
9543 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
9545 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
9547 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
9548 this section and its subsections.
9550 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9553 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
9554 define_insn patterns.
9556 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
9558 PR rtl-optimization/98689
9559 * reg-notes.def (UNTYPED_CALL): New note.
9560 * combine.c (distribute_notes): Handle it.
9561 * emit-rtl.c (try_split): Likewise.
9562 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
9563 that calls with the note implicitly set all return value registers.
9564 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
9567 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
9569 PR rtl-optimization/99596
9570 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
9571 register accesses for const calls. Assume that pure functions
9572 can only read from global registers. Ignore cases in which
9573 the stack pointer has been marked global.
9575 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9578 * tree-vect-loop.c (vect_transform_loop): Don't remove just
9579 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
9580 them by their last argument.
9582 2021-04-15 Martin Liska <mliska@suse.cz>
9584 * doc/invoke.texi: Other params don't use it, remove it.
9586 2021-04-15 Richard Biener <rguenther@suse.de>
9588 * gimple-builder.h: Add deprecation note.
9590 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
9593 * attribs.h (restrict_type_identity_attributes_to): Declare.
9594 * attribs.c (restrict_type_identity_attributes_to): New function.
9596 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
9599 * attribs.h (affects_type_identity_attributes): Declare.
9600 * attribs.c (remove_attributes_matching): New function.
9601 (affects_type_identity_attributes): Likewise.
9603 2021-04-15 Jakub Jelinek <jakub@redhat.com>
9606 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
9607 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
9608 ZERO_EXTEND, SIGN_EXTEND or AND.
9610 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9612 PR rtl-optimization/99929
9613 * rtl.h (same_vector_encodings_p): New function.
9614 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
9615 * cselib.c (rtx_equal_for_cselib_1): Likewise.
9616 * jump.c (rtx_renumbered_equal_p): Likewise.
9617 * lra-constraints.c (operands_match_p): Likewise.
9618 * reload.c (operands_match_p): Likewise.
9619 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
9621 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9623 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
9624 more information about variable-length CONST_VECTORs.
9626 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
9628 PR rtl-optimization/100066
9629 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
9630 ordered modes when choosing splitting mode for hard reg.
9632 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9635 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
9637 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
9639 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
9641 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
9642 for mask operand types.
9643 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
9644 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
9646 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
9648 * config/s390/s390.c (s390_const_operand_ok): Check the new
9649 operand types and generate a list of valid values.
9651 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9653 * doc/tm.texi: Regenerate.
9654 * doc/tm.texi.in (D language and ABI): Add @hook for
9655 TARGET_D_REGISTER_OS_TARGET_INFO.
9657 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9659 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
9661 (aarch64_d_register_target_info): New function.
9662 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
9664 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
9666 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
9667 (arm_d_register_target_info): New function.
9668 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
9669 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9670 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
9671 (ix86_d_register_target_info): New function.
9672 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
9673 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9674 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
9675 (mips_d_register_target_info): New function.
9676 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
9677 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9678 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
9679 (pa_d_register_target_info): New function.
9680 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
9681 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9682 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
9684 (riscv_d_register_target_info): New function.
9685 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
9686 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9687 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
9689 (rs6000_d_register_target_info): New function.
9690 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
9692 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9693 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
9694 (s390_d_register_target_info): New function.
9695 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
9696 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9697 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
9699 (sparc_d_register_target_info): New function.
9700 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
9701 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9702 * doc/tm.texi: Regenerate.
9703 * doc/tm.texi.in (D language and ABI): Add @hook for
9704 TARGET_D_REGISTER_CPU_TARGET_INFO.
9706 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9708 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
9709 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
9710 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
9711 * doc/tm.texi: Regenerate.
9712 * doc/tm.texi.in (D language and ABI): Add @hook for
9713 TARGET_D_HAS_STDCALL_CONVENTION.
9715 2021-04-14 Richard Biener <rguenther@suse.de>
9717 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
9718 VEC_COND_EXPRs have a gimple_val condition.
9719 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
9720 can no longer have a GENERIC condition.
9722 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
9725 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
9726 from the isa_delta when -mfpu has been used.
9727 (arm_options_perform_arch_sanity_checks): It's the architecture that
9728 lacks an FPU not the processor.
9730 2021-04-13 Richard Biener <rguenther@suse.de>
9732 PR tree-optimization/100053
9733 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
9734 not use optimistic dominance queries for backedges to validate
9736 (dominated_by_p_w_unex): Add parameter to ignore executable
9738 (rpo_elim::eliminate_avail): Adjust.
9740 2021-04-13 Jakub Jelinek <jakub@redhat.com>
9743 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
9744 *aarch64_bfxilsi_extrdi): New define_insn patterns.
9746 2021-04-13 Jakub Jelinek <jakub@redhat.com>
9749 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
9750 outermode, return NULL if the result doesn't encode back to the
9751 original byte sequence.
9752 (simplify_gen_subreg): Don't create SUBREGs from constants to
9753 MODE_COMPOSITE_P outermode.
9755 2021-04-12 Jakub Jelinek <jakub@redhat.com>
9757 PR rtl-optimization/99905
9758 * combine.c (expand_compound_operation): If pos + len > modewidth,
9759 perform the right shift by pos in inner_mode and then convert to mode,
9760 instead of trying to simplify a shift of rtx with inner_mode by pos
9761 as if it was a shift in mode.
9763 2021-04-12 Jakub Jelinek <jakub@redhat.com>
9766 * combine.c (simplify_and_const_int_1): Don't optimize varop
9767 away if it has side-effects.
9769 2021-04-12 Martin Liska <mliska@suse.cz>
9771 * doc/extend.texi: Escape @smallexample content.
9773 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
9775 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
9776 alternative in order to load a DFP zero.
9778 2021-04-12 Martin Liska <mliska@suse.cz>
9780 * doc/extend.texi: Be more precise in documentation
9781 of symver attribute.
9783 2021-04-12 Martin Liska <mliska@suse.cz>
9786 * gimplify.c (gimplify_expr): Right now, we unpoison all
9787 variables before a goto <dest>. We should not do it if we are
9790 2021-04-12 Cui,Lili <lili.cui@intel.com>
9792 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
9794 * common/config/i386/i386-common.c (processor_names): Add
9796 (processor_alias_table): Add rocketlake.
9797 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
9798 INTEL_COREI7_ROCKETLAKE.
9799 * config.gcc: Add -march=rocketlake.
9800 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
9802 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
9803 (processor_cost_table): Add rocketlake cost.
9804 * config/i386/i386.h (ix86_size_cost) : Define
9806 (processor_type) : Add PROCESSOR_ROCKETLAKE.
9807 (PTA_ROCKETLAKE): Ditto.
9808 * doc/extend.texi: Add rocketlake.
9809 * doc/invoke.texi: Add rocketlake.
9811 2021-04-12 Cui,Lili <lili.cui@intel.com>
9813 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
9814 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
9815 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
9816 * doc/invoke.texi: Change alderlake ISA list.
9818 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
9821 * omp-expand.c (expand_oacc_collapse_init): Update condition in
9824 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
9827 * config/i386/serializeintrin.h (_serialize): Defined as macro.
9829 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9832 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
9833 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
9835 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9838 * gimple-ssa-warn-alloca.c
9839 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
9840 0 with integer precision unconditionally.
9842 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9844 PR rtl-optimization/98601
9845 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
9846 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
9847 unaligned_mems handle VOIDmode like BLKmode.
9849 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
9852 * tree.c (free_lang_data_in_decl): Do not release body of
9853 declare_variant_alt.
9855 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
9857 * config/aarch64/aarch64.c (aarch64_option_restore): If the
9858 architecture was specified explicitly and the tuning wasn't,
9859 tune for the architecture rather than the configured default CPU.
9861 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
9863 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
9864 as the temporary register.
9866 2021-04-09 Martin Liska <mliska@suse.cz>
9868 * doc/extend.texi: Move non-target attributes on the top level.
9870 2021-04-09 Martin Liska <mliska@suse.cz>
9872 * doc/invoke.texi: Document minimum and maximum value of the
9873 argument for both supported compression algorithms.
9875 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
9877 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
9878 TLS BSS before TLS data.
9879 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
9881 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
9883 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
9885 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
9887 * match.pd: Extend vec_cond folds to handle shifts.
9889 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
9891 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
9894 2021-04-08 Alex Coplan <alex.coplan@arm.com>
9897 * config/arm/iterators.md (MVE_vecs): New.
9898 (V_elem): Also handle V2DF.
9899 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
9900 (*mve_vdup<mode>): ... this. Remove second alternative since
9901 vec_duplicate of const_int is not canonical RTL, and we don't
9902 want to match symbol_refs.
9903 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
9905 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
9907 * fold-const.c (fold_single_bit_test): Fix typo.
9908 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
9911 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
9913 PR tree-optimization/97513
9914 * tree-vect-slp.c (vect_add_slp_permutation): New function,
9916 (vectorizable_slp_permutation): ...here. Detect cases in which
9917 all VEC_PERM_EXPRs are guaranteed to have the same stepped
9918 permute vector and only generate one permute vector for that case.
9919 Extend that case to handle variable-length vectors.
9921 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
9923 PR tree-optimization/99873
9924 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
9925 (vect_build_slp_instance): Don't split store groups that could
9926 use IFN_STORE_LANES.
9928 2021-04-07 Jakub Jelinek <jakub@redhat.com>
9931 * varasm.c (output_constant_pool_contents): Don't strip name encoding
9932 from XSTR (desc->sym, 0) or from label before passing those to
9935 2021-04-07 Richard Biener <rguenther@suse.de>
9937 PR tree-optimization/99954
9938 * tree-loop-distribution.c: Include tree-affine.h.
9939 (generate_memcpy_builtin): Try using tree-affine to prove
9941 (loop_distribution::classify_builtin_ldst): Always classify
9944 2021-04-07 Richard Biener <rguenther@suse.de>
9946 PR tree-optimization/99947
9947 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
9948 steps vector to avoid pushing elements from the reallocated
9951 2021-04-07 Richard Biener <rguenther@suse.de>
9953 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
9954 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
9956 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
9958 (debug_vn_reference_ops): New.
9960 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
9962 PR tree-optimization/98736
9963 * tree-loop-distribution.c
9964 * (loop_distribution::bb_top_order_init):
9965 Compute RPO with programing order preserved by calling function
9966 rev_post_order_and_mark_dfs_back_seme.
9968 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
9971 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
9972 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
9974 (process_bb_lives): Don't update biggest mode of hard reg for
9975 implicit in multi-register group. Use the new functions for
9976 updating dead_set and unused_set by register notes.
9978 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
9980 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
9983 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
9985 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
9986 (skylake_memset): Likewise.
9987 (skylake_cost): Change CLEAR_RATIO to 17.
9988 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
9989 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
9990 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
9992 2021-04-06 Richard Biener <rguenther@suse.de>
9994 PR tree-optimization/99880
9995 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
9996 set vectorized defs of relevant PHIs.
9998 2021-04-06 Richard Biener <rguenther@suse.de>
10000 PR tree-optimization/99924
10001 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
10002 nodes w/o scalar stmts as visited.
10004 2021-04-06 Alex Coplan <alex.coplan@arm.com>
10007 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
10008 PCS for [su]fix_optab.
10010 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
10012 * config/darwin.c (machopic_legitimize_pic_address): Check
10013 that the current pic register is one of the hard reg set
10014 before setting liveness.
10016 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
10018 * config/darwin.c (machopic_legitimize_pic_address): Fix
10019 whitespace, remove unused code.
10021 2021-04-03 Jakub Jelinek <jakub@redhat.com>
10023 PR tree-optimization/99882
10024 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
10027 2021-04-03 Jakub Jelinek <jakub@redhat.com>
10029 PR rtl-optimization/99863
10030 * dse.c (replace_read): Drop regs_live argument. Instead of
10031 regs_live, use store_insn->fixed_regs_live if non-NULL,
10032 otherwise punt if insns sequence clobbers or sets any hard
10035 2021-04-03 Jakub Jelinek <jakub@redhat.com>
10038 * targhooks.h (default_print_patchable_function_entry_1): Declare.
10039 * targhooks.c (default_print_patchable_function_entry_1): New function,
10040 copied from default_print_patchable_function_entry with an added flags
10042 (default_print_patchable_function_entry): Rewritten into a small
10043 wrapper around default_print_patchable_function_entry_1.
10044 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
10046 (rs6000_print_patchable_function_entry): New function.
10048 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
10050 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
10052 2021-04-01 Jason Merrill <jason@redhat.com>
10055 * common.opt: Document v15 and v16.
10057 2021-04-01 Richard Biener <rguenther@suse.de>
10059 PR tree-optimization/99863
10060 * gimplify.c (gimplify_init_constructor): Recompute vector
10063 2021-04-01 Jakub Jelinek <jakub@redhat.com>
10065 * doc/extend.texi (symver attribute): Fix up syntax errors
10068 2021-04-01 Jakub Jelinek <jakub@redhat.com>
10070 PR tree-optimization/96573
10071 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
10072 also pointer types.
10074 2021-04-01 Richard Biener <rguenther@suse.de>
10076 PR tree-optimization/99856
10077 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
10078 precision to vector element precision.
10080 2021-04-01 Martin Jambor <mjambor@suse.cz>
10082 PR tree-optimization/97009
10083 * tree-sra.c (access_or_its_child_written): New function.
10084 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
10087 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
10090 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
10092 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
10095 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
10096 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
10097 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
10098 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
10099 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
10100 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
10102 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
10103 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
10104 (define_attr "prefixed"): Update initializer.
10106 2021-03-31 Jakub Jelinek <jakub@redhat.com>
10109 * dwarf2out.c (debug_ranges_dwo_section): New variable.
10110 (DW_RANGES_IDX_SKELETON): Define.
10111 (struct dw_ranges): Add begin_entry and end_entry members.
10112 (DEBUG_DWO_RNGLISTS_SECTION): Define.
10113 (add_ranges_num): Adjust r initializer for addition of *_entry
10115 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
10116 set idx to DW_RANGES_IDX_SKELETON.
10117 (use_distinct_base_address_for_range): New function.
10118 (index_rnglists): Don't set r->idx if it is equal to
10119 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
10120 r->end_entry for -gsplit-dwarf if those will be needed by
10122 (output_rnglists): Add DWO argument. If true, switch to
10123 debug_ranges_dwo_section rather than debug_ranges_section.
10124 Adjust l1/l2 label indexes. Only output the offset table when
10125 dwo is true and don't include in there the skeleton range
10126 entry if present. For -gsplit-dwarf, skip ranges that belong
10127 to the other rnglists section. Change return type from void
10128 to bool and return true if there are any range entries for
10129 the other section. For dwarf_split_debug_info use
10130 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
10131 entries instead of DW_RLE_start_end, DW_RLE_start_length and
10132 DW_RLE_base_address. Use use_distinct_base_address_for_range.
10133 (init_sections_and_labels): Initialize debug_ranges_dwo_section
10134 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
10135 and range_base_label indexes.
10136 (dwarf2out_finish): Call index_rnglists earlier before finalizing
10137 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
10138 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
10139 with different dwo arguments.
10140 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
10142 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
10144 PR tree-optimization/98268
10145 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
10146 recompute_tree_invariant_for_addr_expr after successfully
10147 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
10149 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
10151 PR tree-optimization/99726
10152 * tree-data-ref.c (create_intersect_range_checks_index): Bail
10153 out if there is more than one access function SCEV for the loop
10156 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
10158 PR rtl-optimization/97141
10159 PR rtl-optimization/98726
10160 * emit-rtl.c (valid_for_const_vector_p): Return true for
10162 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
10163 poly_wide_int instead of a wide_int.
10164 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
10166 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
10167 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
10168 false for CONST_VECTORs that cannot be forced to memory.
10169 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
10170 is too complex to force to memory, build it up from individual
10173 2021-03-31 Jan Hubicka <jh@suse.cz>
10176 * cgraph.c (cgraph_node::release_body): Fix overactive check.
10178 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
10181 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
10184 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
10186 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
10187 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
10189 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
10190 "rep movsb/stosb" only for known sizes.
10191 * config/i386/i386-options.c (processor_cost_table): Use Ice
10192 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
10193 Rapids and Alder Lake.
10194 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
10195 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
10196 (icelake_memset): Likewise.
10197 (icelake_cost): Likewise.
10198 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
10201 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
10204 * config/aarch64/aarch64.c
10205 (aarch64_vectorize_preferred_vector_alignment): Query the size
10206 of the provided SVE vector; do not assume that all SVE vectors
10207 have the same size.
10209 2021-03-31 Jan Hubicka <jh@suse.cz>
10212 * cgraph.c (cgraph_node::release_body): Remove all callers and
10214 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
10215 * cgraphunit.c (cgraph_node::expand): And here.
10217 2021-03-31 Martin Liska <mliska@suse.cz>
10219 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
10220 and one negated condition.
10222 2021-03-31 Jakub Jelinek <jakub@redhat.com>
10223 Richard Sandiford <richard.sandiford@arm.com>
10226 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
10227 constraints on operands[2] and similarly 0 and rk constraints
10228 on operands[1] corresponding to that.
10230 2021-03-31 Jakub Jelinek <jakub@redhat.com>
10233 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
10234 linker doesn't support DWARF sections new in DWARF5.
10235 * config/i386/i386-options.c (ix86_option_override_internal): Default
10236 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
10238 * config.in: Regenerated.
10239 * configure: Regenerated.
10241 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10244 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
10245 available issue_info before using it.
10247 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10250 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
10253 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
10256 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
10257 (altivec_lvsl_reg_<mode>): ... this.
10258 (altivec_lvsr_reg): Change to ...
10259 (altivec_lvsr_reg_<mode>): ... this.
10260 * config/rs6000/predicates.md (vec_set_index_operand): New.
10261 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10262 Enable 32bit variable vec_insert for all TARGET_VSX.
10263 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
10264 Enable 32bit variable vec_insert for p9 and above.
10265 (rs6000_expand_vector_set_var_p8): Rename to ...
10266 (rs6000_expand_vector_set_var_p7): ... this.
10267 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
10269 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
10270 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
10271 gen_altivec_lvsr_reg_di.
10273 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
10276 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
10277 (__rdtscp): Likewise.
10279 2021-03-30 Tamar Christina <tamar.christina@arm.com>
10281 PR tree-optimization/99825
10282 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
10283 Reject non-mult 2 lanes.
10285 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
10288 * config/arm/arm.c (arm_file_start): Fix emission of
10289 Tag_ABI_VFP_args attribute.
10291 2021-03-30 Richard Biener <rguenther@suse.de>
10293 PR tree-optimization/99824
10294 * stor-layout.c (set_min_and_max_values_for_integral_type):
10295 Assert the precision is within the bounds of
10296 WIDE_INT_MAX_PRECISION.
10297 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
10298 the outermost component ref only to lower the access size
10299 and initialize that from the access type.
10301 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
10304 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
10305 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
10307 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
10309 * config/aarch64/aarch64.md
10310 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
10311 attribute to disambiguate between SIMD and FP variants of the
10314 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
10316 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
10317 (analyze_ssa_name_flags): Fix typo in comment.
10319 2021-03-29 Alex Coplan <alex.coplan@arm.com>
10322 * config/aarch64/aarch64-sve-builtins.cc
10323 (function_builder::add_function): Add placeholder_p argument, use
10324 placeholder decls if this is set.
10325 (function_builder::add_unique_function): Instead of conditionally adding
10326 direct overloads, unconditionally add either a direct overload or a
10328 (function_builder::add_overloaded_function): Set placeholder_p if we're
10329 using C++ overloads. Use the obstack for string storage instead
10330 of relying on the tree nodes.
10331 (function_builder::add_overloaded_functions): Don't return early for
10332 m_direct_overloads: we need to add placeholders.
10333 * config/aarch64/aarch64-sve-builtins.h
10334 (function_builder::add_function): Add placeholder_p argument.
10336 2021-03-29 Richard Biener <rguenther@suse.de>
10338 PR tree-optimization/99807
10339 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
10340 assert below VEC_PERM handling.
10342 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10345 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
10346 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
10347 matching const_int 0.
10348 (move_lo_quad_internal_be_<mode>): Likewise.
10349 (move_lo_quad_<mode>): Update for the above.
10350 * config/aarch64/iterators.md (VQ_2E): Delete.
10352 2021-03-29 Jakub Jelinek <jakub@redhat.com>
10354 PR tree-optimization/99777
10355 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
10356 types other than scalar integral types.
10358 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
10360 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
10361 XCOFF TLS reloc decorations.
10363 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
10365 * doc/analyzer.texi (Analyzer Internals): Update link to
10366 "A Memory Model for Static Analysis of C Programs".
10368 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
10370 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
10371 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
10373 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
10374 (rs6000_special_round_type_align): Recursively check innermost first
10377 2021-03-26 Jakub Jelinek <jakub@redhat.com>
10380 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
10381 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
10382 assignment with drap_reg active, queue reg save for hfp with offset 0
10383 and flush queued reg saves. When handling a push with rule18,
10384 defer queueing reg save for hfp and just assert the offset is 0.
10385 (scan_trace): Assert that fde->rule18 is false.
10387 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
10390 * ira-costs.c (record_reg_classes): Put case with
10391 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
10392 * ira.c (ira_setup_alts): Ditto.
10393 * lra-constraints.c (process_alt_operands): Ditto.
10394 * recog.c (asm_operand_ok): Ditto.
10395 * reload.c (find_reloads): Ditto.
10397 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10399 * config/aarch64/aarch64-protos.h
10400 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
10401 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
10402 * config/aarch64/aarch64.c (generic_addrcost_table): Update
10403 accordingly, using the same costs as for post_modify.
10404 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
10405 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
10406 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
10407 (a64fx_addrcost_table): Likewise.
10408 (neoversev1_addrcost_table): New.
10409 (neoversev1_tunings): Use neoversev1_addrcost_table.
10410 (aarch64_address_cost): Use the new post_modify costs for CImode
10413 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10415 * config/aarch64/aarch64.opt
10416 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
10417 * doc/invoke.texi: Document it.
10418 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
10419 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
10420 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
10421 (aarch64_vec_issue_info): New structures.
10422 (cpu_vector_cost): Write comments above the variables rather
10424 (cpu_vector_cost::issue_info): New member variable.
10425 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
10426 and tree-ssa-loop-niter.h.
10427 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
10428 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
10429 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
10430 (thunderx3t110_vector_cost): Initialize issue_info to null.
10431 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
10432 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
10433 (neoversev1_vector_cost): Use them.
10434 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
10435 (aarch64_vector_costs::saw_sve_only_op): New member variable.
10436 (aarch64_vector_costs::num_vector_iterations): Likewise.
10437 (aarch64_vector_costs::scalar_ops): Likewise.
10438 (aarch64_vector_costs::advsimd_ops): Likewise.
10439 (aarch64_vector_costs::sve_ops): Likewise.
10440 (aarch64_vector_costs::seen_loads): Likewise.
10441 (aarch64_simd_vec_costs_for_flags): New function.
10442 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
10443 Count the number of predicate operations required by SVE WHILE
10445 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
10446 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
10447 (aarch64_count_ops): Likewise.
10448 (aarch64_add_stmt_cost): Record whether see an SVE operation
10449 that cannot currently be implementing using Advanced SIMD.
10450 Record issue information about the scalar, Advanced SIMD
10451 and (where relevant) SVE versions of a loop.
10452 (aarch64_vec_op_count::dump): New function.
10453 (aarch64_sve_op_count::dump): Likewise.
10454 (aarch64_estimate_min_cycles_per_iter): Likewise.
10455 (aarch64_adjust_body_cost): If issue information is available,
10456 try to compare the issue rates of the various loop implementations
10457 and increase or decrease the vector body cost accordingly.
10459 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10461 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
10462 Assume a zero cost for induction phis.
10464 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10466 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
10468 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
10469 vector comparisons.
10471 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10473 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
10475 (aarch64_add_stmt_cost): Call it.
10477 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10479 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
10480 New tuning parameter.
10481 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
10482 (aarch64_estimated_sve_vq): New function.
10483 (aarch64_vector_costs::analyzed_vinfo): New member variable.
10484 (aarch64_vector_costs::is_loop): Likewise.
10485 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
10486 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
10487 (aarch64_record_potential_advsimd_unrolling): New function.
10488 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
10489 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
10490 aarch64_analyze_bb_vinfo on the first use of a costs structure.
10491 Detect whether we're vectorizing a loop for SVE that might be
10492 completely unrolled if it used Advanced SIMD instead.
10493 (aarch64_adjust_body_cost_for_latency): New function.
10494 (aarch64_finish_cost): Call it.
10496 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10498 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
10499 (aarch64_init_cost): New function.
10500 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
10501 the default unsigned[3].
10502 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
10503 (TARGET_VECTORIZE_INIT_COST): Override.
10504 (TARGET_VECTORIZE_FINISH_COST): Likewise.
10505 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
10507 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10509 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
10510 (neoversev1_sve_vector_cost): New cost structures.
10511 (neoversev1_vector_cost): Likewise.
10512 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
10514 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10516 * config/aarch64/aarch64-protos.h
10517 (sve_vec_cost::scatter_store_elt_cost): New member variable.
10518 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
10519 accordingly, taking the cost from the cost of a scalar_store.
10520 (a64fx_sve_vector_cost): Likewise.
10521 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
10523 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10525 * config/aarch64/aarch64-protos.h
10526 (simd_vec_cost::store_elt_extra_cost): New member variable.
10527 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10528 accordingly, using the vec_to_scalar cost for the new field.
10529 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10530 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10531 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10532 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10533 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10534 (thunderx3t110_advsimd_vector_cost): Likewise.
10535 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
10537 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10539 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
10540 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
10541 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
10542 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10543 accordingly, using zero for the new costs.
10544 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10545 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10546 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10547 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10548 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10549 (thunderx3t110_advsimd_vector_cost): Likewise.
10550 (aarch64_ld234_st234_vectors): New function.
10551 (aarch64_adjust_stmt_cost): Likewise.
10552 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
10553 the new vector costs.
10555 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10557 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
10558 derived class of simd_vec_cost. Add information about CLAST[AB]
10559 and FADDA instructions.
10560 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
10561 accordingly, using the vec_to_scalar costs for the new fields.
10562 (a64fx_sve_vector_cost): Likewise.
10563 (aarch64_reduc_type): New function.
10564 (aarch64_sve_in_loop_reduction_latency): Likewise.
10565 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
10566 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
10567 that occur in the loop body.
10568 (aarch64_add_stmt_cost): Update call accordingly.
10570 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10572 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
10574 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
10575 above the fields rather than to the right.
10576 (simd_vec_cost::reduc_i8_cost): New member variable.
10577 (simd_vec_cost::reduc_i16_cost): Likewise.
10578 (simd_vec_cost::reduc_i32_cost): Likewise.
10579 (simd_vec_cost::reduc_i64_cost): Likewise.
10580 (simd_vec_cost::reduc_f16_cost): Likewise.
10581 (simd_vec_cost::reduc_f32_cost): Likewise.
10582 (simd_vec_cost::reduc_f64_cost): Likewise.
10583 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10584 accordingly, using the vec_to_scalar_cost for the new fields.
10585 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10586 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10587 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10588 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10589 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10590 (thunderx3t110_advsimd_vector_cost): Likewise.
10591 (aarch64_use_new_vector_costs_p): New function.
10592 (aarch64_simd_vec_costs): New function, split out from...
10593 (aarch64_builtin_vectorization_cost): ...here.
10594 (aarch64_is_reduction): New function.
10595 (aarch64_detect_vector_stmt_subtype): Likewise.
10596 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
10597 using the new vector costs.
10599 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10602 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
10603 TLS declarations as public.
10605 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10607 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
10608 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
10609 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
10610 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
10611 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
10612 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
10613 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
10614 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
10615 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
10617 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10620 * config.gcc (*-*-cygwin*): Add winnt-d.o
10621 (*-*-mingw*): Likewise.
10622 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
10623 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
10624 * config/i386/t-cygming: Add winnt-d.o.
10625 * config/i386/winnt-d.c: New file.
10627 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10629 * config/freebsd-d.c: Include memmodel.h.
10631 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10634 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
10635 * config/t-openbsd: Add openbsd-d.o.
10636 * config/openbsd-d.c: New file.
10638 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
10640 PR tree-optimization/96974
10641 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
10642 with graceful exit.
10644 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10647 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10651 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
10652 always_inline in system headers.
10654 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
10656 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
10658 2021-03-25 Jakub Jelinek <jakub@redhat.com>
10661 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
10662 * fold-const.c (operand_compare::operand_equal_p): Don't compare
10663 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
10665 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10669 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
10670 always_inline in system headers.
10672 2021-03-25 Richard Biener <rguenther@suse.de>
10674 PR tree-optimization/99746
10675 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
10676 the scalar stmt as patterned. Instead set up required things
10679 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
10681 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
10684 2021-03-24 Martin Liska <mliska@suse.cz>
10687 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
10689 * config/i386/i386-options.c (ix86_option_override_internal):
10690 Add run-time assert.
10692 2021-03-24 Martin Jambor <mjambor@suse.cz>
10695 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
10696 parameters with unknown type.
10697 (ipacp_value_safe_for_type): New function.
10698 (propagate_vals_across_arith_jfunc): Verify that the constant type
10699 can be used for a type of the formal parameter.
10700 (propagate_vals_across_ancestor): Likewise.
10701 (propagate_scalar_across_jump_function): Likewise. Pass the type
10702 also to propagate_vals_across_ancestor.
10704 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
10707 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
10709 (movmisalign<mode>_mve_load): Likewise.
10711 2021-03-24 Jakub Jelinek <jakub@redhat.com>
10714 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
10715 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
10717 2021-03-24 Alexandre Oliva <oliva@adacore.com>
10719 * doc/sourcebuild.texi (sysconf): New effective target.
10721 2021-03-24 Alexandre Oliva <oliva@adacore.com>
10723 * config/i386/predicates.md (reg_or_const_vec_operand): New.
10724 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
10725 the now *-prefixed insn_and_split, turn the splitter const vec
10726 into an input for the insn, making it an ignored immediate for
10727 non-split cases, and loaded into the scratch register
10730 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
10733 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
10734 Use define_relaxed_memory_constraint for them.
10736 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
10739 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
10740 colon to the diagnostic message.
10742 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
10744 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
10746 (try_fwprop_subst_note): Use set_info instead of insn_info.
10747 (try_fwprop_subst_pattern): Likewise.
10748 (try_fwprop_subst_notes): Likewise.
10749 (try_fwprop_subst): Likewise.
10750 (forward_propagate_subreg): Likewise.
10751 (forward_propagate_and_simplify): Likewise.
10752 (forward_propagate_into): Likewise.
10753 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
10755 (set_info::single_nondebug_insn_use): Likewise.
10756 (set_info::single_phi_use): Likewise.
10757 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
10759 (set_info::single_nondebug_insn_use): Likewise.
10760 (set_info::single_phi_use): Likewise.
10762 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
10764 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
10766 2021-03-23 Jakub Jelinek <jakub@redhat.com>
10769 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
10770 expand_mult to perform an unsigned rather than a signed
10773 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
10776 * config/i386/cpuid.h (__cpuid): Add __volatile__.
10777 (__cpuid_count): Likewise.
10779 2021-03-23 Richard Biener <rguenther@suse.de>
10781 PR tree-optimization/99721
10782 * tree-vect-slp.c (vect_slp_analyze_node_operations):
10783 Make sure we can schedule the node.
10785 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10787 * config/riscv/riscv.c (riscv_subword): Take endianness into
10788 account when calculating the byte offset.
10790 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10792 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
10793 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
10794 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
10795 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
10796 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
10797 new predicate "subreg_lowpart_operator"
10799 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10801 * config/riscv/riscv.c (riscv_swap_instruction): New function
10802 to byteswap an SImode rtx containing an instruction.
10803 (riscv_trampoline_init): Byteswap the generated instructions
10806 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10808 * common/config/riscv/riscv-common.c
10809 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
10810 * config.gcc (riscv32be-*, riscv64be-*): Set
10811 TARGET_BIG_ENDIAN_DEFAULT to 1.
10812 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
10813 depending on default endianness.
10814 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
10815 * config/riscv/linux.h (LINK_SPEC): Likewise.
10816 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
10817 default endianness.
10818 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
10820 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10822 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
10823 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
10824 * config/riscv/linux.h (LINK_SPEC): Likewise.
10825 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
10827 (BYTES_BIG_ENDIAN): Handle big endian.
10828 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
10829 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
10831 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
10833 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
10835 * regcprop.c (find_oldest_value_reg): Ask target whether
10836 different mode is fine for replacement register.
10838 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
10840 PR tree-optimization/99296
10841 * value-range.cc (irange::irange_set_1bit_anti_range): New.
10842 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
10843 * value-range.h (irange::irange_set_1bit_anti_range): New.
10845 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
10848 * config/aarch64/constraints.md (UtQ): Use
10849 define_relaxed_memory_constraint for it.
10850 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
10851 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10852 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
10853 (have_relaxed_memory_constraints): New static var.
10854 (relaxed_memory_start, relaxed_memory_end): Ditto.
10855 (add_constraint): Add arg is_relaxed_memory. Check name for
10856 relaxed memory. Set up is_relaxed_memory in constraint_data and
10857 have_relaxed_memory_constraints. Adjust calls.
10858 (choose_enum_order): Process relaxed memory.
10859 (write_tm_preds_h): Ditto.
10860 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10861 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10862 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
10863 * ira-lives.c (single_reg_class): Use
10864 insn_extra_relaxed_memory_constraint.
10865 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
10866 * lra-constraints.c (valid_address_p): Use
10867 insn_extra_relaxed_memory_constraint instead of other memory
10869 (process_alt_operands): Process CT_RELAXED_MEMORY.
10870 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
10871 * recog.c (asm_operand_ok, preprocess_constraints): Process
10873 * reload.c (find_reloads): Ditto.
10874 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
10875 * stmt.c (parse_input_constraint): Use
10876 insn_extra_relaxed_memory_constraint.
10878 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
10881 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
10884 2021-03-22 Alex Coplan <alex.coplan@arm.com>
10887 * config/arm/arm-protos.h (neon_make_constant): Add generate
10888 argument to guard emitting insns, default to true.
10889 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
10890 CONST_VECTORs which neon_make_constant can't handle.
10891 (neon_vdup_constant): Add generate argument, avoid emitting
10892 insns if it's not set.
10893 (neon_make_constant): Plumb new generate argument through.
10894 * config/arm/constraints.md (Ui): New. Use it...
10895 * config/arm/mve.md (*mve_mov<mode>): ... here.
10896 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
10897 synthesize constants.
10899 2021-03-22 Richard Biener <rguenther@suse.de>
10901 * debug.h: Add deprecation warning.
10903 2021-03-22 Richard Biener <rguenther@suse.de>
10905 PR tree-optimization/99694
10906 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
10909 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
10912 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
10913 after type checking.
10915 2021-03-22 Jakub Jelinek <jakub@redhat.com>
10919 * dwarf2out.c (get_full_len): Use get_precision rather than
10921 (add_const_value_attribute): Make sure add_AT_wide argument has
10922 precision prec rather than some very wide one.
10924 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
10926 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
10927 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
10928 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
10929 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
10930 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
10931 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
10932 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
10933 *fix_trunc<mode>si2_internal): Fix empty split condition.
10934 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
10935 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
10936 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
10937 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
10939 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
10942 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
10943 Convert idx to DImode.
10944 (rs6000_expand_vector_set_var_p8): Likewise.
10946 2021-03-21 Jakub Jelinek <jakub@redhat.com>
10949 * dwarf2out.c (insert_float): Change return type from void to
10950 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
10951 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
10954 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
10957 * config/i386/i386.c (construct_container): Check cfun != NULL
10958 before accessing silent_p.
10960 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
10962 * asan.c: Fix typos in comments.
10964 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
10966 PR rtl-optimization/99680
10967 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
10968 (process_address_1): Check empty constraint before using
10971 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
10973 * config/rs6000/rs6000.c (power10_cost): New.
10974 (rs6000_option_override_internal): Set Power10 costs.
10975 (rs6000_issue_rate): Set Power10 issue rate.
10976 * config/rs6000/power10.md: Rewrite for Power10.
10978 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
10981 * lra-constraints.c (process_address_1): Don't use unknown
10982 constraint for address constraint.
10984 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
10987 * config.gcc (powerpc-*-darwin8): Delete the reference to
10988 the now removed darwin8.h.
10990 2021-03-19 Olivier Hainque <hainque@adacore.com>
10993 * config/vxworksae.h (VX_CPU_PREFIX): Define.
10995 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
10997 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
10999 2021-03-19 Tamar Christina <tamar.christina@arm.com>
11001 PR tree-optimization/99656
11002 * tree-vect-slp-patterns.c (linear_loads_p,
11003 complex_add_pattern::matches, is_eq_or_top,
11004 vect_validate_multiplication, complex_mul_pattern::matches,
11005 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
11006 * tree-vectorizer.h: (complex_load_perm_t): Removed.
11007 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
11008 complex_load_perm_t.
11010 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
11013 * config/i386/i386-options.c (ix86_init_machine_status): Set
11015 * config/i386/i386.c (init_cumulative_args): Set silent_p to
11017 (construct_container): Return early for return and argument
11018 errors if silent_p is true.
11019 * config/i386/i386.h (machine_function): Add silent_p.
11021 2021-03-19 Jakub Jelinek <jakub@redhat.com>
11024 * config/arm/constraints.md (Ds): New constraint.
11025 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
11026 constraint instead of w,Dm.
11028 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
11030 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
11033 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
11035 PR middle-end/99641
11036 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
11037 array type, do the computation of the current position in sizetype.
11039 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
11042 * lra-constraints.c (process_address_1): Use lookup_constraint
11043 only for a single constraint.
11045 2021-03-18 Martin Sebor <msebor@redhat.com>
11047 PR middle-end/99502
11048 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
11049 (inbounds_memaccess_p): ...to this. Check the ending offset of
11050 the accessed member.
11052 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
11054 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
11055 %> quote markers to error messages.
11056 (gcn_goacc_validate_dims): Likewise.
11057 (gcn_conditional_register_usage): Remove exclaimation mark from error
11059 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
11061 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
11063 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
11066 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
11067 Kito Cheng <kito.cheng@sifive.com>
11069 * config/riscv/riscv.c (riscv_block_move_straight): Change type
11070 to unsigned HOST_WIDE_INT for parameter and local variable with
11071 HOST_WIDE_INT type.
11072 (riscv_adjust_block_mem): Ditto.
11073 (riscv_block_move_loop): Ditto.
11074 (riscv_expand_block_move): Ditto.
11076 2021-03-18 Nick Clifton <nickc@redhat.com>
11078 * config/v850/v850.c (construct_restore_jr): Increase static
11080 (construct_save_jarl): Likewise.
11081 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
11083 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11085 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
11086 (aarch64_override_options_internal): Use it.
11087 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
11090 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
11092 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
11093 error message format issues.
11094 (nios2_option_override): Likewise.
11095 (nios2_expand_fpu_builtin): Likewise.
11096 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
11097 truncation warning.
11098 (nios2_expand_custom_builtin): More error message format fixes.
11099 (nios2_expand_rdwrctl_builtin): Likewise.
11100 (nios2_expand_rdprs_builtin): Likewise.
11101 (nios2_expand_eni_builtin): Likewise.
11102 (nios2_expand_builtin): Likewise.
11103 (nios2_register_custom_code): Likewise.
11104 (nios2_valid_target_attribute_rec): Likewise.
11105 (nios2_add_insn_asm): Fix uninitialized variable warning.
11107 2021-03-17 Jan Hubicka <jh@suse.cz>
11109 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
11110 of gather to match reality.
11111 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
11113 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11115 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
11116 to compare against CC_REG rather than NE.
11118 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
11121 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
11122 inline assembly statements.
11123 (ix86_print_operand): Update 'P' handling for -fno-plt.
11125 2021-03-17 Tamar Christina <tamar.christina@arm.com>
11128 * config/aarch64/aarch64.c
11129 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
11131 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
11134 * config/rs6000/predicates.md (branch_comparison_operator): Allow
11135 ordered and unordered for CCFPmode, if flag_finite_math_only.
11137 2021-03-16 Jakub Jelinek <jakub@redhat.com>
11140 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
11141 rather than ASHIFT.
11142 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
11144 2021-03-16 Martin Liska <mliska@suse.cz>
11147 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
11148 cl_optimization_compare function.
11150 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
11152 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
11155 2021-03-16 Jakub Jelinek <jakub@redhat.com>
11158 * config/i386/i386.h (struct machine_function): Add
11159 has_explicit_vzeroupper bitfield.
11160 * config/i386/i386-expand.c (ix86_expand_builtin): Set
11161 cfun->machine->has_explicit_vzeroupper when expanding
11162 IX86_BUILTIN_VZEROUPPER.
11163 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
11164 Do the mode switching only when TARGET_VZEROUPPER, expensive
11165 optimizations turned on and not optimizing for size.
11166 (pass_insert_vzeroupper::gate): Enable even when
11167 cfun->machine->has_explicit_vzeroupper is set.
11169 2021-03-16 Jakub Jelinek <jakub@redhat.com>
11172 * config/aarch64/aarch64.c
11173 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
11174 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
11175 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
11177 2021-03-15 Richard Biener <rguenther@suse.de>
11179 PR tree-optimization/98834
11180 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
11181 subsetting by truncating the access size.
11183 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
11185 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
11186 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
11189 2021-03-15 Martin Liska <mliska@suse.cz>
11191 * spellcheck.c: Add missing comma in initialization.
11193 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
11195 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
11196 alternative 2 and alternative 1 with alternative 3 using
11197 YW register constraint.
11198 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
11199 using YW register constraint.
11200 (*vec_extractv16qi_zext): Ditto.
11201 (*vec_extractv4si): Merge alternatives 4 and 5
11202 using Yw register constraint.
11203 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
11205 2021-03-13 Martin Sebor <msebor@redhat.com>
11207 PR tree-optimization/99489
11208 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
11209 is not a call statement.
11211 2021-03-13 Jakub Jelinek <jakub@redhat.com>
11213 PR tree-optimization/99544
11214 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
11215 if for vector types multiplication can't be done in type's mode.
11217 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
11220 * config/sparc/constraints.md (w): Rename to...
11221 (W): ... this and ditch previous implementation.
11222 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
11223 (*movdf_insn_sp64): Likewise.
11224 (*mov<VM64:mode>_insn_sp64): Likewise.
11225 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
11227 (atomic_compare_and_swap_leon3_1): Likewise.
11228 (*atomic_compare_and_swapdi_v8plus): Likewise.
11229 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
11230 architecture and add missing address validity check during LRA.
11232 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
11235 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
11236 occuring for assumed-size arrays in use_device_{ptr,addr}.
11238 2021-03-12 Jakub Jelinek <jakub@redhat.com>
11241 * config/i386/constraints.md (YW): New internal constraint.
11242 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
11243 (*<sse2_avx2>_<insn><mode>3<mask_name>,
11244 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
11245 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
11247 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
11248 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
11249 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
11250 into one, use Yw instead of former x,v.
11251 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
11252 the last alternative.
11253 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
11254 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
11255 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
11256 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
11257 into one, use <v_Yw> instead of former x,v.
11258 (avx2_interleave_highv32qi<mask_name>,
11259 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
11260 constraints. Add && <mask_avx512bw_condition> to condition.
11261 (avx2_interleave_lowv32qi<mask_name>,
11262 vec_interleave_lowv16qi<mask_name>,
11263 avx2_interleave_highv16hi<mask_name>,
11264 vec_interleave_highv8hi<mask_name>,
11265 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
11266 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
11267 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
11268 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
11269 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
11270 Yw instead of v in constraints.
11271 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
11272 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
11273 instead of Yv in constraints.
11274 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
11275 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
11276 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
11277 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11278 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
11280 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
11281 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
11282 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
11283 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
11284 two, one with just x, another isa avx512vl with v.
11286 2021-03-12 Martin Liska <mliska@suse.cz>
11288 * doc/invoke.texi: Add missing param documentation.
11290 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11293 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
11294 analyzer/trimmed-graph.o.
11295 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
11296 feasibility checking to reflect new implementation.
11297 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
11299 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
11301 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11303 * digraph.cc (selftest::test_shortest_paths): Update
11304 shortest_paths init for new param. Add test of
11305 SPS_TO_GIVEN_TARGET.
11306 * shortest-paths.h (enum shortest_path_sense): New.
11307 (shortest_paths::shortest_paths): Add "sense" param.
11308 Update for renamings. Generalize to use "sense" param.
11309 (shortest_paths::get_shortest_path): Rename param.
11310 (shortest_paths::m_sense): New field.
11311 (shortest_paths::m_prev): Rename...
11312 (shortest_paths::m_best_edge): ...to this.
11313 (shortest_paths::get_shortest_path): Update for renamings.
11314 Conditionalize flipping of path on sense of traversal.
11316 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11318 * digraph.cc (selftest::test_shortest_paths): Add test coverage
11319 for paths from B and C.
11320 * shortest-paths.h (shortest_paths::shortest_paths): Handle
11321 unreachable nodes, rather than asserting.
11323 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
11326 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
11327 xcoff_tbss_section_name.
11328 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
11329 * xcoffout.c (xcoff_tbss_section_name): Delete.
11330 * xcoffout.h (xcoff_tbss_section_name): Delete.
11332 2021-03-11 Richard Biener <rguenther@suse.de>
11334 PR tree-optimization/99523
11335 * tree-cfg.c (dump_function_to_file): Dump SSA names
11336 w/o identifier to the decls section as well, not only those
11337 without a VAR_DECL.
11339 2021-03-11 Jakub Jelinek <jakub@redhat.com>
11342 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
11343 function calls with lhs fail if the lhs don't have compatible types.
11345 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
11347 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
11348 Change FRAME_POINTER_REGNUM to correspond to a new faked
11349 register faked_fp, part of GENNONACR_REGS like faked_ap.
11350 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
11351 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
11352 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
11353 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
11354 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
11356 (CRIS_REAL_FP_REGNUM): New constant.
11357 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
11358 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
11359 (cris_initial_elimination_offset): Handle elimination changes
11360 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
11361 and add one from FRAME_POINTER_REGNUM to
11362 HARD_FRAME_POINTER_REGNUM.
11363 (cris_expand_prologue, cris_expand_epilogue): Emit code for
11364 hard_frame_pointer_rtx instead of frame_pointer_rtx.
11366 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
11369 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
11370 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
11372 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
11375 * lra-constraints.c (process_address_1): Don't check unknown
11376 constraint, use X for empty constraint.
11378 2021-03-10 Alex Coplan <alex.coplan@arm.com>
11380 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
11381 Fix typo in comment describing "is_ha" argument.
11383 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
11385 * doc/sourcebuild.texi: Document LRA target selector.
11387 2021-03-10 David Malcolm <dmalcolm@redhat.com>
11389 * doc/ux.texi: Add subsection contrasting interactive versus
11390 batch usage of GCC.
11392 2021-03-10 Joel Hutton <joel.hutton@arm.com>
11395 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
11397 (vectorizable_load): Fix gather load mask check condition.
11399 2021-03-10 Richard Biener <rguenther@suse.de>
11401 PR tree-optimization/99510
11402 * tree.c (check_aligned_type): Check that the candidate
11403 has TYPE_USER_ALIGN set instead of matching with the
11406 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
11408 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
11409 float and vector integer modes only if the mode is not larger.
11411 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
11413 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
11415 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11417 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
11419 * ira-lives.c (single_reg_class): Ditto.
11421 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
11423 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
11424 the architecture-specific rtems.h.
11425 (aarch64-*-rtems*): Likewise.
11426 (arm*-*-rtems*): Likewise.
11427 (epiphany-*-rtems*): Likewise.
11428 (riscv*-*-rtems*): Likewise.
11430 2021-03-09 Jakub Jelinek <jakub@redhat.com>
11432 PR tree-optimization/99305
11433 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
11434 before integer_all_onesp instead of vice versa.
11436 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
11438 * common/config/arm/arm-common.c (arm_config_default): Change type
11439 of 'i' to unsigned.
11441 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11444 * lra-constraints.c (process_address_1): Process constraint 'g'
11445 separately and digital constraints containing more one digit.
11447 2021-03-09 Nick Clifton <nickc@redhat.com>
11449 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
11450 (DWARF"_DEBUGGING_INFO): Define.
11452 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
11455 * calls.c (initialize_argument_information): When the argument
11456 is passed by reference, do not make a copy in a thunk only if
11457 the argument is already in memory. Remove redundant test for
11458 the case of callee copy.
11460 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11463 * lra-constraints.c (process_address_1): Process 0..9 constraints
11464 in process_address_1.
11466 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
11468 * config/s390/s390.c (struct s390_processor processor_table):
11469 Binutils name string must not be empty.
11471 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
11473 * config/arc/arc.c (arc_attr_type): Remove function.
11475 2021-03-09 Martin Liska <mliska@suse.cz>
11478 * config/i386/i386-options.c (ix86_option_override_internal):
11479 Set isa_flags for OPTS argument and not for the global
11482 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
11484 * config/rs6000/predicates.md (ds_form_mem_operand): Check
11487 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
11490 * config/rs6000/predicates.md (ds_form_mem_operand) New
11492 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
11493 ds_form_mem_operand in ld/lwa patterns.
11494 * config/rs6000/fusion.md: Regenerate file.
11496 2021-03-08 Martin Sebor <msebor@redhat.com>
11498 PR middle-end/98266
11499 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
11500 (array_bounds_checker::check_array_bounds): Call it.
11502 2021-03-08 Martin Sebor <msebor@redhat.com>
11504 PR middle-end/97631
11505 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
11506 (handle_builtin_stxncpy_strncat): Rename locals. Determine
11507 destination size from allocation calls. Issue a more appropriate
11509 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
11510 (handle_builtin_memset): Same.
11512 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
11515 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
11516 to ensure we do not have an Altivec style address.
11517 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
11518 an Altivec style address.
11519 (*vsx_le_perm_store_<mode>): Likewise.
11520 (splitters after *vsx_le_perm_store_<mode>): Likewise.
11521 (vsx_load_<mode>): Disable special expander if passed an Altivec
11523 (vsx_store_<mode>): Likewise.
11525 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11528 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
11529 (aarch64_simd_shift_imm_vec_hi): Likewise.
11530 (aarch64_simd_shift_imm_vec_si): Likewise.
11531 (aarch64_simd_shift_imm_vec_di): Likewise.
11532 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
11533 predicate from above.
11534 (aarch64_shrn<mode>_insn_be): Likewise.
11535 (aarch64_rshrn<mode>_insn_le): Likewise.
11536 (aarch64_rshrn<mode>_insn_be): Likewise.
11537 (aarch64_shrn2<mode>_insn_le): Likewise.
11538 (aarch64_shrn2<mode>_insn_be): Likewise.
11539 (aarch64_rshrn2<mode>_insn_le): Likewise.
11540 (aarch64_rshrn2<mode>_insn_be): Likewise.
11542 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
11545 * lra-constraints.c (skip_contraint_modifiers): New function.
11546 (process_address_1): Use it before lookup_constraint call.
11548 2021-03-08 Martin Liska <mliska@suse.cz>
11551 * config/i386/i386-options.c (ix86_option_override_internal):
11552 Enable UINTR and HRESET for -march that supports it.
11554 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
11556 * config/s390/s390.c (f_constraint_p): New function.
11557 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
11558 (TARGET_MD_ASM_ADJUST): Likewise.
11560 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
11563 * tree-nested.c (convert_local_reference_stmt): Avoid calling
11564 lookup_field_for_decl for Fortran module (= namespace context).
11566 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
11568 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
11569 comparison with arithmetic right shift.
11570 (s390_expand_vcond): No need for a force_reg anymore.
11571 s390_vec_compare will do it.
11572 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
11573 immediate operands.
11575 2021-03-07 Jakub Jelinek <jakub@redhat.com>
11578 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
11579 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
11581 * config/i386/sse.md (v_Yw): New define_mode_attr.
11582 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
11583 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
11585 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
11586 xYw in constraints.
11588 2021-03-06 Julian Brown <julian@codesourcery.com>
11590 * tree-pretty-print.c (dump_generic_node): Emit non-generic
11591 address space info for aggregates.
11593 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
11595 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
11597 2021-03-05 Jakub Jelinek <jakub@redhat.com>
11599 PR middle-end/99322
11600 * tree-cfg.c (bb_to_omp_idx): New variable.
11601 (execute_build_cfg): Release the bb_to_omp_idx vector after
11602 cleanup_tree_cfg returns.
11603 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
11604 for bb_to_omp_idx being a vec<int> instead of pointer to array
11606 (make_edges): Remove bb_to_omp_idx local variable, don't pass
11607 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
11608 vec<int> instead of pointer to array of ints and don't free/release
11610 (remove_bb): When removing a bb and placing forced label somewhere
11611 else, ensure it is put into the same OpenMP region during cfg
11612 pass if possible or to entry successor as fallback. Unregister
11613 bb from bb_to_omp_idx.
11615 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
11618 * lra-constraints.c (process_address_1): Skip decomposing address
11619 for asm insn operand with unknown constraint.
11621 2021-03-05 Martin Jambor <mjambor@suse.cz>
11624 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
11625 corresponding speculative edges if we are about to resolve
11626 sepculation. Make edge direct (and so resolve speculations) before
11627 removing it from call_site_hash.
11628 (cgraph_edge::make_direct): Relax the initial assert to allow calling
11629 the function on speculative direct edges.
11631 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
11633 PR rtl-optimization/99376
11634 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
11635 of low-order zero bits is too large, set the result to 0 directly.
11637 2021-03-04 Jakub Jelinek <jakub@redhat.com>
11639 PR middle-end/93235
11640 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
11641 SUBREG and a SUBREG to op_mode can't be created.
11643 2021-03-04 Alex Coplan <alex.coplan@arm.com>
11646 * config/aarch64/aarch64-sve-builtins.cc
11647 (function_resolver::require_vector_type): Handle error_mark_node.
11649 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
11651 * cfgexpand.c (expand_asm_loc): Pass new parameter.
11652 (expand_asm_stmt): Likewise.
11653 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
11655 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
11656 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
11657 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
11658 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
11659 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
11660 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
11661 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
11662 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
11663 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
11664 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
11665 * doc/tm.texi (md_asm_adjust): Likewise.
11666 * target.def (md_asm_adjust): Likewise.
11668 2021-03-04 Richard Biener <rguenther@suse.de>
11670 PR middle-end/97855
11671 * tree-pretty-print.c: Poison pp_printf.
11672 (dump_decl_name): Avoid use of pp_printf.
11673 (dump_block_node): Likewise.
11674 (dump_generic_node): Likewise.
11676 2021-03-04 Martin Sebor <msebor@redhat.com>
11678 PR middle-end/96963
11679 PR middle-end/94655
11680 * builtins.c (handle_array_ref): New helper.
11681 (handle_mem_ref): New helper.
11682 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
11683 into new helper functions. Correct a workaround for vectorized
11686 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
11688 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
11689 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
11690 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
11691 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
11692 attribute for Power10.
11693 * config/rs6000/mma.md (*movoo): Likewise.
11694 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
11695 (define_mode_attr bits): Add DD/TD modes.
11696 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
11697 store_conditionalpti): Update size attribute for Power10.
11699 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11702 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
11703 -Wuninitialized, -Wmaybe-uninitialized.
11704 (wide-int.o-warn): Likewise.
11706 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
11708 * common/config/arm/arm-common.c: Include configargs.h.
11709 (arm_config_default): New function.
11710 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
11711 processors that do not support Thumb. Take into account the
11712 --with-mode configuration setting for selecting the default.
11713 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
11714 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
11716 2021-03-03 Martin Liska <mliska@suse.cz>
11718 PR gcov-profile/97461
11719 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
11721 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
11724 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
11725 point back the hard frame pointer to its default location when the
11726 frame is larger than SEH_MAX_FRAME_SIZE.
11728 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11731 * config/i386/predicates.md (logic_operator): New define_predicate.
11732 * config/i386/i386.md (mov + mem using comm arith peephole2):
11733 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
11734 and the inner mode is [QH]Imode.
11736 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11739 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
11740 (new_loc_list): Clear end_entry.
11741 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
11742 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
11744 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
11745 initialize also end_entry.
11747 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11750 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
11751 partitions, if in non-layout mode after reorder_blocks also move
11752 affected blocks to ensure a single partition transition.
11754 2021-03-03 Jason Merrill <jason@redhat.com>
11757 * cgraphunit.c (process_function_and_variable_attributes): Don't
11758 warn about flatten on an alias if the target also has it.
11759 * cgraph.h (symtab_node::get_alias_target_tree): New.
11761 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
11763 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
11764 period to symbol name.
11765 (tls_get_addr_internal<mode>): Same.
11767 2021-03-02 David Malcolm <dmalcolm@redhat.com>
11770 * diagnostic-show-locus.c
11771 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
11774 2021-03-02 Martin Sebor <msebor@redhat.com>
11776 PR middle-end/99276
11777 * builtins.c (warn_for_access): Remove stray warning text.
11779 2021-03-02 Martin Sebor <msebor@redhat.com>
11781 PR middle-end/99295
11782 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
11785 2021-03-02 Jakub Jelinek <jakub@redhat.com>
11788 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
11789 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
11790 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
11791 DW_MACRO_define_strx and DW_MACRO_undef_strx.
11792 (save_macinfo_strings): Use DW_MACRO_*_str* even with
11793 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
11794 DW_MACRO_undef_strx.
11796 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
11798 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
11800 (BT_FN_V8HI_V8HI_UINT): Likewise.
11801 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
11802 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
11803 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
11804 New builtin definitions.
11805 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
11806 vector extension version.
11807 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
11808 available with current -march level.
11809 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
11810 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
11811 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
11812 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
11813 (vec_extend_to_fp32_lo): Likewise.
11814 (vec_round_from_fp32): Likewise.
11815 (vec_convert_to_fp16): Likewise.
11816 (vec_convert_from_fp16): Likewise.
11817 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
11818 (vclfnls_v8hi): Likewise.
11819 (vcrnfs_v8hi): Likewise.
11820 (vcfn_v8hi): Likewise.
11821 (vcnf_v8hi): Likewise.
11823 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
11825 * common/config/s390/s390-common.c (processor_flags_table): New entry.
11826 * config.gcc: Enable arch14 for --with-arch and --with-tune.
11827 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
11828 arch14 for unknown CPU models.
11829 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
11830 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
11831 (s390_get_sched_attrmask): Likewise.
11832 (s390_get_unit_mask): Likewise.
11833 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
11834 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
11835 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
11836 (TARGET_NNPA_P): New macro definitions.
11837 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
11838 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
11840 2021-03-02 Jakub Jelinek <jakub@redhat.com>
11842 PR middle-end/95757
11843 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
11844 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
11845 != 1 comparisons if name is lhs of a comparison.
11847 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
11851 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
11852 * config/darwin.c (darwin_should_restore_cfa_state): New.
11853 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
11854 * doc/tm.texi: Regenerated.
11855 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
11856 * dwarf2cfi.c (connect_traces): If the target requests, restore
11857 the CFA expression after a DW_CFA_restore.
11858 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
11860 2021-03-01 Martin Liska <mliska@suse.cz>
11863 * optc-save-gen.awk: Add 4 more exceptions.
11865 2021-03-01 Nathan Sidwell <nathan@acm.org>
11868 * tree.h (TYPE_ALIGN_RAW): New accessor.
11869 (TYPE_ALIGN): Use it.
11871 2021-03-01 Jan Hubicka <jh@suse.cz>
11874 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
11876 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
11879 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
11880 point the hard frame pointer to the SSE register save area instead
11881 of the general register save area. Perform only minimal adjustment
11882 for small frames if it is initially not correctly aligned.
11883 (ix86_expand_prologue): Remove early saves for a SEH target.
11884 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
11886 2021-02-28 Jakub Jelinek <jakub@redhat.com>
11889 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
11890 typo - referneced -> referenced.
11891 * tree.c (component_ref_size): Fix comment typo -
11892 refernce -> reference.
11893 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
11894 traling -> trailing.
11895 (aliasing_component_refs_p): Fix comment typos -
11896 refernce -> reference and refernece -> reference and
11897 traling -> trailing.
11898 (nonoverlapping_refs_since_match_p): Fix comment typo -
11899 referneces -> references.
11900 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
11901 referneces -> references.
11903 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
11905 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
11906 diagnostic message to avoid use of a contraction and format
11909 2021-02-27 Jakub Jelinek <jakub@redhat.com>
11912 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
11913 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
11914 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
11915 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
11918 2021-02-26 Richard Biener <rguenther@suse.de>
11920 PR middle-end/99281
11921 * expr.c (store_field): For calls with return-slot optimization
11922 and addressable return type expand the store directly.
11924 2021-02-26 Richard Biener <rguenther@suse.de>
11927 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
11929 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
11932 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
11935 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
11937 * config.gcc: Add rs6000-pcrel-opt.o.
11938 * config/rs6000/rs6000-pcrel-opt.c: New file.
11939 * config/rs6000/pcrel-opt.md: New file.
11940 * config/rs6000/predicates.md: Add d_form_memory predicate.
11941 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
11942 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
11943 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
11944 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
11945 and make_pass_pcrel_opt().
11946 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
11947 (rs6000_option_override_internal): Add pcrel-opt.
11948 (rs6000_delegitimize_address): Support pcrel-opt.
11949 (rs6000_opt_masks): Add pcrel-opt.
11950 (pcrel_opt_valid_mem_p): New function.
11951 (reg_to_non_prefixed): Make global.
11952 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
11953 (output_pcrel_opt_reloc): New function.
11954 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
11955 (pcrel_extern_addr): Set loads_extern_addr.
11956 Add include for pcrel-opt.md.
11957 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
11958 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
11961 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
11964 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
11965 If TARGET_64BIT and dest is SUBREG, we check the width, if it
11966 equal to SImode, we use SImode operation, just like what we are
11969 2021-02-26 Marek Polacek <polacek@redhat.com>
11971 * builtins.c (warn_for_access): Fix typos.
11973 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
11975 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
11976 mark in front of the immediate quantity.
11977 (<optab>_rolsi3_uxtw): Likewise.
11979 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
11982 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
11983 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
11984 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
11985 address and disable when the FPCXT is not available.
11986 (nonsecure_call_value_reg_thumb2): Likewise.
11988 2021-02-25 Nathan Sidwell <nathan@acm.org>
11991 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
11993 2021-02-25 Tamar Christina <tamar.christina@arm.com>
11995 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
11997 2021-02-25 Richard Biener <rguenther@suse.de>
11999 PR tree-optimization/99253
12000 * tree-vect-loop.c (check_reduction_path): First compute
12001 code, then verify out-of-loop uses.
12003 2021-02-25 Jakub Jelinek <jakub@redhat.com>
12006 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
12008 2021-02-25 Jakub Jelinek <jakub@redhat.com>
12010 PR tree-optimization/80635
12011 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
12012 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
12013 has mode precision.
12015 2021-02-25 Richard Biener <rguenther@suse.de>
12017 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
12018 load_map population.
12019 (vect_match_slp_patterns_2): Revert part of last change.
12020 (vect_analyze_slp): Do not interleave optimize_load_redistribution
12021 with pattern detection but do it afterwards. Dump the
12022 whole SLP graph after pattern recognition and load
12023 redistribution optimization finished.
12025 2021-02-24 Jakub Jelinek <jakub@redhat.com>
12028 * omp-low.c (struct omp_context): Add teams_nested_p and
12029 nonteams_nested_p members.
12030 (scan_omp_target): Diagnose teams nested inside of target with other
12031 directives strictly nested inside of the same target.
12032 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
12033 ctx->nonteams_nested_p as needed.
12035 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
12037 PR inline-asm/99123
12038 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
12040 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
12042 * config/cris/cris.c (cris_expand_prologue): Set
12043 current_function_static_stack_size, if flag_stack_usage_info.
12045 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
12047 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
12048 (rs6000_final_prescan_insn): Adjust.
12049 (rs6000_asm_output_opcode): Likewise.
12051 2021-02-24 Martin Sebor <msebor@redhat.com>
12053 PR middle-end/97172
12054 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
12055 from function arguments.
12057 2021-02-24 Tamar Christina <tamar.christina@arm.com>
12059 PR tree-optimization/99220
12060 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
12061 node from cache when it's about to be deleted.
12063 2021-02-24 Jakub Jelinek <jakub@redhat.com>
12065 PR tree-optimization/99225
12066 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
12067 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
12068 build_int_cst (..., 1). Formatting fixes.
12070 2021-02-24 Tamar Christina <tamar.christina@arm.com>
12072 PR tree-optimization/99149
12073 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
12075 (vect_slp_reset_pattern): Remove.
12076 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
12077 (complex_mul_pattern::build, complex_fma_pattern::build,
12078 complex_fms_pattern::build): Fix ref counts.
12079 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
12080 when node is being deleted.
12081 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
12082 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
12084 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
12086 2021-02-24 Matthias Klose <doko@ubuntu.com>
12089 2020-12-07 Matthias Klose <doko@ubuntu.com>
12091 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
12092 and ENABLE_RTL_FLAG_CHECKING.
12094 2021-02-24 Richard Biener <rguenther@suse.de>
12097 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
12099 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
12101 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
12102 (vsx_assemble_pair): ...to this.
12103 (*mma_assemble_pair): Rename from this...
12104 (*vsx_assemble_pair): ...to this.
12105 (mma_disassemble_pair): Rename from this...
12106 (vsx_disassemble_pair): ...to this.
12107 (*mma_disassemble_pair): Rename from this...
12108 (*vsx_disassemble_pair): ...to this.
12109 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
12110 BU_COMPAT): New macros.
12111 (mma_assemble_pair): Rename from this...
12112 (vsx_assemble_pair): ...to this.
12113 (mma_disassemble_pair): Rename from this...
12114 (vsx_disassemble_pair): ...to this.
12115 (mma_assemble_pair): New compatibility built-in.
12116 (mma_disassemble_pair): Likewise.
12117 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
12118 (RS6000_BUILTIN_COMPAT): Define.
12119 (bdesc_compat): New.
12120 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
12121 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
12122 and VSX_BUILTIN_ASSEMBLE_PAIR.
12123 (rs6000_init_builtins): Register compatibility built-ins.
12124 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
12125 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
12126 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
12127 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
12128 (__builtin_vsx_assemble_pair): ...to this.
12129 (__builtin_mma_disassemble_pair): Rename from this...
12130 (__builtin_vsx_disassemble_pair): ...to this.
12132 2021-02-23 Martin Liska <mliska@suse.cz>
12135 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
12136 with different alignment. That leads to an invalid red zone
12137 size allocated in runtime.
12139 2021-02-23 Jakub Jelinek <jakub@redhat.com>
12141 PR tree-optimization/99204
12142 * fold-const.c (fold_read_from_constant_string): Check that
12143 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
12145 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
12146 Kewen Lin <linkw@gcc.gnu.org>
12148 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
12149 (rotl<mode>3_insert_3): ...this.
12150 (plus_ior_xor): New code_iterator.
12151 (define_split for GPR rl*imi): New splitter.
12152 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
12153 for integer merging.
12155 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12157 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
12159 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
12160 into a register when the above is enabled.
12161 * config/aarch64/aarch64.c (neoversev1_tunings):
12162 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
12163 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
12165 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
12167 * config/cris/cris.c (cris_print_operand) <'T'>: Change
12168 valid operand from is now an addi mult-value to shift-value.
12169 * config/cris/cris.md (*addi): Change expression of scaled
12170 operand from mult to ashift.
12171 * config/cris/cris.md (*addi_reload): New insn_and_split.
12173 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
12176 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
12177 hook_bool_const_tree_hwi_hwi_const_tree_true.
12178 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
12180 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
12182 PR rtl-optimization/98791
12183 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
12184 for unordered modes.
12186 2021-02-22 Martin Liska <mliska@suse.cz>
12188 * tree-inline.c (inline_forbidden_p): Set
12189 inline_forbidden_reason.
12191 2021-02-22 Richard Biener <rguenther@suse.de>
12193 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
12196 2021-02-22 Richard Biener <rguenther@suse.de>
12198 PR tree-optimization/99165
12199 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
12200 Accumulate changed to ret.
12202 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
12205 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
12207 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
12209 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
12212 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
12214 (trunctf<DFP_ALL:mode>2): Likewise.
12215 (trunctdtf2_vr): Likewise.
12216 (trunctdtf2): Likewise.
12217 (extend<DFP_ALL:mode>tf2_vr): Likewise.
12218 (extend<DFP_ALL:mode>tf2): Likewise.
12219 (extendtftd2_vr): Likewise.
12220 (extendtftd2): Likewise.
12222 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
12224 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
12225 add memory alternative.
12226 (tf_to_fprx2): New pattern.
12228 2021-02-19 Martin Sebor <msebor@redhat.com>
12231 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
12232 (attr_access::free_lang_data): Remove a spurious test.
12234 2021-02-19 Nathan Sidwell <nathan@acm.org>
12236 * doc/invoke.texi (flang-info-module-read): Document.
12238 2021-02-19 Martin Liska <mliska@suse.cz>
12240 PR translation/99167
12241 * params.opt: Fix typo.
12243 2021-02-19 Richard Biener <rguenther@suse.de>
12245 PR middle-end/99122
12246 * tree-inline.c (inline_forbidden_p): Do not inline functions
12247 with VLA arguments or return value.
12249 2021-02-19 Jakub Jelinek <jakub@redhat.com>
12252 * config/arm/arm.md (*stack_protect_combined_set_insn,
12253 *stack_protect_combined_test_insn): If force_const_mem result
12254 is not valid general operand, force its address into the destination
12257 2021-02-19 Jakub Jelinek <jakub@redhat.com>
12260 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
12261 pad or non-local label, put FORCED_LABELs from bb b after that label
12262 rather than before it.
12264 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
12267 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
12268 expand_vector_broadcast' to emit the vec_duplicate operand.
12270 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
12272 PR rtl-optimization/96264
12273 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
12276 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
12279 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
12280 looking up the retain attribute.
12281 (resolve_unique_section): Likewise.
12282 (get_variable_section): Likewise.
12283 (switch_to_section): Likewise. Warn when a symbol without the
12284 retain attribute and a symbol with the retain attribute are
12285 placed in the section with the same name, instead of the used
12287 * doc/extend.texi: Document the "retain" attribute.
12289 2021-02-18 Nathan Sidwell <nathan@acm.org>
12292 * doc/invoke.texi (flang-info-include-translate): Document header
12295 2021-02-18 Richard Biener <rguenther@suse.de>
12297 PR middle-end/99122
12298 * ipa-fnsummary.c (analyze_function_body): Set
12299 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
12300 * tree-inline.c (insert_init_debug_bind): Pass NULL for
12301 error_mark_node values.
12302 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
12304 (setup_one_parameter): Delay force_value_to_type until when
12307 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
12309 PR tree-optimization/99142
12310 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
12312 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12314 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
12315 wide_int_bitmask::wide_int_bitmask (uint64_t),
12316 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
12317 wide_int_bitmask::operator ~ () const,
12318 wide_int_bitmask::operator | (wide_int_bitmask) const,
12319 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
12321 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
12322 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
12323 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
12324 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
12325 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
12326 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
12327 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
12328 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
12329 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
12330 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
12331 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
12332 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
12333 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
12334 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
12335 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
12336 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
12337 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
12338 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
12339 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
12340 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
12341 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
12342 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
12343 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
12344 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
12346 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12348 PR middle-end/99109
12349 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
12350 (build_printable_array_type): ... this. Add nelts argument. For
12351 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
12352 nelts, call build_array_type_nelts.
12353 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
12354 instead of build_zero_elt_array_type and build_array_type_nelts.
12356 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12359 * config/i386/i386.c (distance_non_agu_define): Don't call
12360 extract_insn_cached here.
12361 (ix86_lea_outperforms): Save and restore recog_data around call
12362 to distance_non_agu_define and distance_agu_use.
12363 (ix86_ok_to_clobber_flags): Remove.
12364 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
12365 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
12366 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
12367 into define_insn. Move the splitting to define_peephole2 and
12368 check there using peep2_regno_dead_p if FLAGS_REG is dead.
12370 2021-02-17 Julian Brown <julian@codesourcery.com>
12372 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
12375 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
12378 * config/mips/mips.c (mips_symbol_insns): Do not use
12379 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
12381 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
12383 PR inline-asm/98096
12384 * stmt.c (resolve_operand_name_1): Take inout operands into account
12385 for access to labels by names.
12386 * doc/extend.texi: Describe counting operands for accessing labels.
12388 2021-02-16 Richard Biener <rguenther@suse.de>
12390 PR tree-optimization/38474
12391 * tree-ssa-structalias.c (variable_info::address_taken): New.
12392 (new_var_info): Initialize address_taken.
12393 (process_constraint): Set address_taken.
12394 (solve_constraints): Use the new address_taken flag rather
12395 than is_reg_var for sorting variables.
12396 (dump_constraint): Dump the variable number if the name
12399 2021-02-16 Jakub Jelinek <jakub@redhat.com>
12402 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
12403 multiply by 4096 and for inbranch by 8192.
12404 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
12405 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
12407 2021-02-15 Maya Rashish <coypu@sdf.org>
12409 * config/aarch64/aarch64.c (aarch64_init_builtins):
12410 Call SUBTARGET_INIT_BUILTINS.
12412 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
12414 PR rtl-optimization/98872
12415 * init-regs.c (initialize_uninitialized_regs): Skip initialization
12416 if CONST0_RTX is NULL.
12418 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
12420 PR rtl-optimization/98863
12421 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
12422 (function_info::build_info): Turn into a declaration, moving the
12423 definition to internals.h.
12424 (function_info::bb_walker): Declare.
12425 (function_info::create_reg_use): Likewise.
12426 (function_info::calculate_potential_phi_regs): Take a build_info
12428 (function_info::place_phis, function_info::create_ebbs): Declare.
12429 (function_info::calculate_ebb_live_in_for_debug): Likewise.
12430 (function_info::populate_backedge_phis): Delete.
12431 (function_info::start_block, function_info::end_block): Declare.
12432 (function_info::populate_phi_inputs): Delete.
12433 (function_info::m_potential_phi_regs): Move information to build_info.
12434 * rtl-ssa/internals.h: New file.
12435 (function_info::bb_phi_info): New class.
12436 (function_info::build_info): Moved from functions.h.
12437 Add a constructor and destructor.
12438 (function_info::build_info::ebb_use): Delete.
12439 (function_info::build_info::ebb_def): Likewise.
12440 (function_info::build_info::bb_live_out): Likewise.
12441 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
12442 (function_info::build_info::potential_phi_regs): Likewise.
12443 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
12444 (function_info::build_info::ebb_def_regs): Likewise.
12445 (function_info::build_info::bb_phis): Likewise.
12446 (function_info::build_info::bb_mem_live_out): Likewise.
12447 (function_info::build_info::bb_to_rpo): Likewise.
12448 (function_info::build_info::def_stack): Likewise.
12449 (function_info::build_info::old_def_stack_limit): Likewise.
12450 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
12451 Remove the regno argument. Push the previous definition onto the
12452 definition stack where necessary.
12453 * rtl-ssa/accesses.cc: Include internals.h.
12454 * rtl-ssa/changes.cc: Likewise.
12455 * rtl-ssa/blocks.cc: Likewise.
12456 (function_info::build_info::build_info): Define.
12457 (function_info::build_info::~build_info): Likewise.
12458 (function_info::bb_walker): New class.
12459 (function_info::bb_walker::bb_walker): Define.
12460 (function_info::add_live_out_use): Convert a logarithmic-complexity
12461 test into a linear one. Allow the same definition to be passed
12463 (function_info::calculate_potential_phi_regs): Moved from
12464 functions.cc. Take a build_info parameter and store the
12465 information there instead.
12466 (function_info::place_phis): New function.
12467 (function_info::add_entry_block_defs): Update call to record_reg_def.
12468 (function_info::calculate_ebb_live_in_for_debug): New function.
12469 (function_info::add_phi_nodes): Use bb_phis to decide which
12470 registers need phi nodes and initialize ebb_def_regs accordingly.
12471 Do not add degenerate phis here.
12472 (function_info::add_artificial_accesses): Use create_reg_use.
12473 Assert that all definitions are listed in the DF LR sets.
12474 Update call to record_reg_def.
12475 (function_info::record_block_live_out): Record live-out register
12476 values in the phis of successor blocks. Use the live-out set
12477 when processing the last block in an EBB, instead of always
12478 using the live-in sets of successor blocks. AND the live sets
12479 with the set of registers that have been defined in the EBB,
12480 rather than with all potential phi registers. Cope correctly
12481 with branches back to the start of the current EBB.
12482 (function_info::start_block): New function.
12483 (function_info::end_block): Likewise.
12484 (function_info::populate_phi_inputs): Likewise.
12485 (function_info::create_ebbs): Likewise.
12486 (function_info::process_all_blocks): Rewrite into a multi-phase
12488 * rtl-ssa/functions.cc: Include internals.h.
12489 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
12490 (function_info::init_function_data): Remove caller.
12491 * rtl-ssa/insns.cc: Include internals.h
12492 (function_info::create_reg_use): New function. Lazily any
12493 degenerate phis needed by the linear RPO view.
12494 (function_info::record_use): Use create_reg_use. When processing
12495 debug uses, use potential_phi_regs and test it before checking
12496 whether the register is live on entry to the current EBB. Lazily
12497 calculate ebb_live_in_for_debug.
12498 (function_info::record_call_clobbers): Update call to record_reg_def.
12499 (function_info::record_def): Likewise.
12501 2021-02-15 Martin Liska <mliska@suse.cz>
12503 * toplev.c (init_asm_output): Free output of
12504 gen_command_line_string function.
12505 (process_options): Likewise.
12507 2021-02-15 Martin Liska <mliska@suse.cz>
12509 * params.opt: Add 2 missing Param keywords.
12511 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
12513 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
12515 2021-02-15 Jakub Jelinek <jakub@redhat.com>
12517 PR tree-optimization/99079
12518 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
12519 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
12520 require both type and TREE_TYPE (@1) to be integral types and either
12521 type having smaller or equal precision, or TREE_TYPE (@1) being
12522 unsigned type, or type being signed type. If TREE_TYPE (@1)
12523 doesn't have wrapping overflow, perform the subtraction of one in
12526 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
12527 Richard Biener <rguether@suse.de>
12530 * ipa-reference.c (ipa_init): Only conditinally initialize
12531 reference_vars_to_consider.
12532 (propagate): Conditionally deninitialize reference_vars_to_consider.
12533 (ipa_reference_write_optimization_summary): Sanity check that
12534 reference_vars_to_consider is not allocated.
12536 2021-02-13 Levy Hsu <admin@levyhsu.com>
12539 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
12540 extend parameter to get_si_mem_base_reg declaration.
12541 (get_si_mem_base_reg): Add extend parameter. Set it.
12542 (analyze): Pass extend arg to get_si_mem_base_reg.
12543 (transform): Likewise. Use it when rewriting mems.
12544 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
12545 loads and emit sign/zero extending load followed by subreg move.
12547 2021-02-13 Jim Wilson <jimw@sifive.com>
12550 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
12551 exit when !reload_completed. Only perform check for compressed reg
12552 if reload_completed.
12553 (riscv_rtx_costs): In MEM case, when optimizing for size and
12554 shorten memrefs, if not compressible, then increase cost.
12556 2021-02-13 Jakub Jelinek <jakub@redhat.com>
12558 PR rtl-optimization/98439
12559 * recog.c (pass_split_before_regstack::gate): Enable even when
12560 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
12563 2021-02-13 Jakub Jelinek <jakub@redhat.com>
12566 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
12567 swap of V2SImode elements in memory into DImode memory rotate by 32.
12569 2021-02-12 Martin Sebor <msebor@redhat.com>
12571 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
12573 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
12575 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
12576 m_temp_obstack rather than m_obstack to allocate the temporary use.
12578 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
12580 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
12581 as read-modify operations.
12583 2021-02-12 Richard Biener <rguenther@suse.de>
12585 PR middle-end/38474
12586 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
12587 fbi->aa_walk_budget is bigger than zero. Update
12588 fbi->aa_walk_budget.
12589 (param_change_prob): Likewise.
12590 * ipa-prop.c (detect_type_change_from_memory_writes):
12591 Properly account walk_aliased_vdefs.
12592 (parm_preserved_before_stmt_p): Canonicalize updates.
12593 (parm_ref_data_preserved_p): Likewise.
12594 (parm_ref_data_pass_through_p): Likewise.
12595 (determine_known_aggregate_parts): Account own alias queries.
12597 2021-02-12 Martin Liska <mliska@suse.cz>
12599 * opts-common.c (decode_cmdline_option): Release werror_arg.
12600 * opts.c (gen_producer_string): Release output of
12601 gen_command_line_string.
12603 2021-02-12 Richard Biener <rguenther@suse.de>
12605 PR tree-optimization/38474
12606 * params.opt (-param=max-store-chains-to-track=): New param.
12607 (-param=max-stores-to-track=): Likewise.
12608 * doc/invoke.texi (max-store-chains-to-track): Document.
12609 (max-stores-to-track): Likewise.
12610 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
12612 (pass_store_merging::m_n_stores): Likewise.
12613 (pass_store_merging::terminate_and_process_chain): Update
12614 m_n_stores and m_n_chains.
12615 (pass_store_merging::process_store): Likewise. Terminate
12616 oldest chains if the number of stores or chains get too large.
12617 (imm_store_chain_info::terminate_and_process_chain): Dump
12620 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
12622 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
12623 the cold section, emit a nop before the directive if the previous
12624 active instruction can throw.
12626 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
12629 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
12630 memory addresses that are legal for quad word accesses.
12632 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
12635 * config/arm/thumb2.md (*doloop_end_internal): Generate
12636 alternative sequence to handle long range branches.
12638 2021-02-11 Joel Hutton <joel.hutton@arm.com>
12640 PR tree-optimization/98772
12641 * optabs-tree.c (supportable_half_widening_operation): New function
12642 to check for supportable V8QI->V8HI widening patterns.
12643 * optabs-tree.h (supportable_half_widening_operation): New function.
12644 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
12645 to create promotion stmts for V8QI->V8HI widening patterns.
12646 (vectorizable_conversion): Add case for V8QI->V8HI.
12648 2021-02-11 Richard Biener <rguenther@suse.de>
12650 * sparseset.h (SPARSESET_ELT_BITS): Remove.
12651 (SPARSESET_ELT_TYPE): Use unsigned int.
12652 * fwprop.c: Do not include sparseset.h.
12654 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12657 * varasm.c (declare_weak): For -fsyntax-only, allow even
12658 TREE_ASM_WRITTEN function decls.
12660 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12663 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
12664 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
12665 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
12666 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
12667 calling simplify_gen_subreg on it.
12669 2021-02-10 Martin Liska <mliska@suse.cz>
12671 * config/nvptx/nvptx.c (nvptx_option_override): Use
12672 flag_patchable_function_entry instead of the removed
12673 function_entry_patch_area_size.
12675 2021-02-10 Martin Liska <mliska@suse.cz>
12677 PR tree-optimization/99002
12678 PR tree-optimization/99026
12679 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
12680 leak when adjacent cases are merged.
12681 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
12683 (make_pass_lower_switch): Remove trailing whitespace.
12684 * tree-switch-conversion.h (release_clusters): New.
12686 2021-02-10 Richard Biener <rguenther@suse.de>
12688 PR rtl-optimization/99054
12689 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
12690 (fixup_partitions): Adjust.
12691 (rtl_verify_edges): Likewise.
12693 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12695 PR middle-end/99007
12696 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
12697 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
12700 2021-02-10 Richard Biener <rguenther@suse.de>
12703 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
12706 2021-02-10 Richard Biener <rguenther@suse.de>
12708 PR tree-optimization/99024
12709 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
12710 clear loop->aux if it is associated with the destroyed loop_vinfo.
12712 2021-02-10 Martin Liska <mliska@suse.cz>
12714 PR tree-optimization/99002
12715 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
12718 2021-02-10 Martin Liska <mliska@suse.cz>
12721 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
12722 a reference exists.
12724 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12727 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
12728 at class scope for DWARF5+.
12730 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
12732 PR rtl-optimization/96015
12733 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
12734 (relax_delay_slots): When deleting a jump to the next active
12735 instruction over a barrier, first delete the barrier if the
12736 jump is the only way to reach the target label.
12738 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
12740 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
12741 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
12742 vector multiplies and vect.alu for SSRA.
12743 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
12744 vect.mul cost field.
12745 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
12746 * config/arm/arm.c: Likewise.
12748 2021-02-09 Richard Biener <rguenther@suse.de>
12750 PR tree-optimization/98863
12751 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
12752 * tree-ssa-sccvn.c (last_pushed_avail): New global.
12753 (rpo_elim::eliminate_push_avail): Chain pushed avails.
12754 (unwind_state::avail_top): Add.
12755 (do_unwind): Rewrite unwinding of avail entries.
12756 (do_rpo_vn): Initialize last_pushed_avail and
12757 avail_top of the undo state.
12759 2021-02-09 Jakub Jelinek <jakub@redhat.com>
12761 PR middle-end/99004
12762 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
12763 const char * to char * and free those pointers after use.
12765 2021-02-09 Richard Biener <rguenther@suse.de>
12767 PR tree-optimization/99017
12768 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
12769 zero vector cost entries.
12771 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
12773 PR middle-end/98974
12774 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
12775 parameter in vectorizable_condition.
12777 2021-02-08 Richard Biener <rguenther@suse.de>
12780 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
12782 2021-02-08 Martin Liska <mliska@suse.cz>
12785 * cfgexpand.c (pass_expand::execute): Parse per-function option
12786 flag_patchable_function_entry and use it.
12787 * common.opt: Remove function_entry_patch_area_size and
12788 function_entry_patch_area_start global variables.
12789 * opts.c (parse_and_check_patch_area): New function.
12790 (common_handle_option): Use it.
12791 * opts.h (parse_and_check_patch_area): New function.
12792 * toplev.c (process_options): Parse and use
12793 function_entry_patch_area_size.
12795 2021-02-08 Martin Sebor <msebor@redhat.com>
12797 * doc/extend.texi (attribute malloc): Correct typos.
12799 2021-02-05 Nathan Sidwell <nathan@acm.org>
12802 * gcc.c (driver::maybe_run_linker): Check for input file
12803 accessibility if not linking.
12805 2021-02-05 Richard Biener <rguenther@suse.de>
12807 PR tree-optimization/98855
12808 * tree-vectorizer.h (add_stmt_cost): New overload.
12809 * tree-vect-slp.c (li_cost_vec_cmp): New.
12810 (vect_bb_slp_scalar_cost): Cost individual loop regions
12811 separately. Account for the scalar instance root stmt.
12813 2021-02-05 Tom de Vries <tdevries@suse.de>
12816 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
12818 (bit_test_cluster::emit): Reuse location_t for newly created
12820 (switch_decision_tree::try_switch_expansion): Preserve
12822 * tree-switch-conversion.h: Change function signatures.
12824 2021-02-05 Jakub Jelinek <jakub@redhat.com>
12827 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
12828 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
12829 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
12830 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
12832 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12834 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
12835 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
12836 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
12837 (vget_high_f16): Reimplement using new builtin.
12838 (vget_high_f32): Likewise.
12839 (vget_high_f64): Likewise.
12840 (vget_high_p8): Likewise.
12841 (vget_high_p16): Likewise.
12842 (vget_high_p64): Likewise.
12843 (vget_high_s8): Likewise.
12844 (vget_high_s16): Likewise.
12845 (vget_high_s32): Likewise.
12846 (vget_high_s64): Likewise.
12847 (vget_high_u8): Likewise.
12848 (vget_high_u16): Likewise.
12849 (vget_high_u32): Likewise.
12850 (vget_high_u64): Likewise.
12852 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12854 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
12855 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
12856 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
12857 (vget_low_f16): Reimplement using new builtin.
12858 (vget_low_f32): Likewise.
12859 (vget_low_f64): Likewise.
12860 (vget_low_p8): Likewise.
12861 (vget_low_p16): Likewise.
12862 (vget_low_p64): Likewise.
12863 (vget_low_s8): Likewise.
12864 (vget_low_s16): Likewise.
12865 (vget_low_s32): Likewise.
12866 (vget_low_s64): Likewise.
12867 (vget_low_u8): Likewise.
12868 (vget_low_u16): Likewise.
12869 (vget_low_u32): Likewise.
12870 (vget_low_u64): Likewise.
12872 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
12874 * gcc.c (print_multilib_info): Check all required argument is provided
12877 2021-02-05 liuhongt <hongtao.liu@intel.com>
12880 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
12881 generate integer mask comparison for 128/256-bits vector when
12882 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
12883 delete redundant !maskcmp condition.
12884 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
12886 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
12887 condition directly to if (maskcmp), add extra check for
12888 cmpmode, it should be MODE_INT.
12889 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
12890 parameters op_true/op_false.
12891 (ix86_use_mask_cmp_p): New.
12893 2021-02-05 liuhongt <hongtao.liu@intel.com>
12896 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
12897 Remove m_GENERIC from ~list.
12898 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
12900 2021-02-04 David Malcolm <dmalcolm@redhat.com>
12903 * diagnostic-show-locus.c (compatible_locations_p): Require
12904 locations in the same macro map to be either both from the
12905 macro definition, or both from the macro arguments.
12907 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
12909 * config/aarch64/aarch64-simd-builtins.def: Add
12910 [su]mull_hi_lane[q] builtin generator macros.
12911 * config/aarch64/aarch64-simd.md
12912 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
12913 (aarch64_<su>mull_hi_lane<mode>): Define.
12914 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
12915 (aarch64_<su>mull_hi_laneq<mode>): Define.
12916 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
12917 builtin instead of inline asm.
12918 (vmull_high_lane_s32): Likewise.
12919 (vmull_high_lane_u16): Likewise.
12920 (vmull_high_lane_u32): Likewise.
12921 (vmull_high_laneq_s16): Likewise.
12922 (vmull_high_laneq_s32): Likewise.
12923 (vmull_high_laneq_u16): Likewise.
12924 (vmull_high_laneq_u32): Liekwise.
12926 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
12928 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
12929 builtin generator macros.
12930 * config/aarch64/aarch64-simd.md
12931 (aarch64_<su>mull_hi_n<mode>_insn): Define.
12932 (aarch64_<su>mull_hi_n<mode>): Define.
12933 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
12934 instead of inline asm.
12935 (vmull_high_n_s32): Likewise.
12936 (vmull_high_n_u16): Likewise.
12937 (vmull_high_n_u32): Likewise.
12939 2021-02-04 Richard Biener <rguenther@suse.de>
12941 PR tree-optimization/98855
12942 * tree-vect-loop.c (vectorizable_phi): Do not cost
12943 single-argument PHIs.
12944 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
12945 * tree-vect-stmts.c (vectorizable_bswap): Also perform
12946 costing for SLP operation.
12948 2021-02-04 Martin Liska <mliska@suse.cz>
12950 * doc/extend.texi: Mention -mprefer-vector-width in target
12953 2021-02-03 Martin Sebor <msebor@redhat.com>
12955 PR tree-optimization/98937
12956 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
12957 Flush pointer_query cache.
12959 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
12961 * config/rs6000/genfusion.pl (gen_2logical): Add missing
12962 fixes based on patch review.
12963 * config/rs6000/fusion.md: Regenerate file.
12965 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
12967 * config/rs6000/t-rs6000: Comment out auto generation of
12970 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
12972 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
12973 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
12974 (output_file_start): Add gfx908.
12975 * config/gcn/gcn.opt (gpu_type): Add gfx908.
12976 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
12977 (MULTILIB_DIRNAMES): Add gfx908.
12978 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
12979 (main): Recognize gfx908.
12980 * config/gcn/t-omp-device: Add gfx908.
12982 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12984 * config/aarch64/aarch64-simd-builtins.def: Add
12985 [su]mlsl_hi_lane[q] builtin macro generators.
12986 * config/aarch64/aarch64-simd.md
12987 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
12988 (aarch64_<su>mlsl_hi_lane<mode>): Define.
12989 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
12990 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
12991 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
12992 builtin instead of inline asm.
12993 (vmlsl_high_lane_s32): Likewise.
12994 (vmlsl_high_lane_u16): Likewise.
12995 (vmlsl_high_lane_u32): Likewise.
12996 (vmlsl_high_laneq_s16): Likewise.
12997 (vmlsl_high_laneq_s32): Likewise.
12998 (vmlsl_high_laneq_u16): Likewise.
12999 (vmlsl_high_laneq_u32): Likewise.
13000 (vmlal_high_laneq_u32): Likewise.
13002 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13004 * config/aarch64/aarch64-simd-builtins.def: Add
13005 [su]mlal_hi_lane[q] builtin generator macros.
13006 * config/aarch64/aarch64-simd.md
13007 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
13008 (aarch64_<su>mlal_hi_lane<mode>): Define.
13009 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
13010 (aarch64_<su>mlal_hi_laneq<mode>): Define.
13011 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
13012 builtin instead of inline asm.
13013 (vmlal_high_lane_s32): Likewise.
13014 (vmlal_high_lane_u16): Likewise.
13015 (vmlal_high_lane_u32): Likewise.
13016 (vmlal_high_laneq_s16): Likewise.
13017 (vmlal_high_laneq_s32): Likewise.
13018 (vmlal_high_laneq_u16): Likewise.
13019 (vmlal_high_laneq_u32): Likewise.
13021 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13023 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
13024 builtin generator macros.
13025 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
13027 (aarch64_<su>mlsl_hi_n<mode>): Define.
13028 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
13029 instead of inline asm.
13030 (vmlsl_high_n_s32): Likewise.
13031 (vmlsl_high_n_u16): Likewise.
13032 (vmlsl_high_n_u32): Likewise.
13034 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13036 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
13037 builtin generator macros.
13038 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
13040 (aarch64_<su>mlal_hi_n<mode>): Define.
13041 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
13042 instead of inline asm.
13043 (vmlal_high_n_s32): Likewise.
13044 (vmlal_high_n_u16): Likewise.
13045 (vmlal_high_n_u32): Likewise.
13047 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
13049 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
13051 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
13053 (aarch64_<su>mlal_hi<mode>_insn): This.
13054 (aarch64_<su>mlal_hi<mode>): Define.
13055 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
13056 instead of inline asm.
13057 (vmlal_high_s16): Likewise.
13058 (vmlal_high_s32): Likewise.
13059 (vmlal_high_u8): Likewise.
13060 (vmlal_high_u16): Likewise.
13061 (vmlal_high_u32): Likewise.
13063 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
13065 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
13066 after calling alter_subreg() on a (mem).
13068 2021-02-03 Martin Liska <mliska@suse.cz>
13071 * lto-streamer-out.c (produce_lto_section): Fill up missing
13073 * lto-streamer.h (struct lto_section): Add _padding field.
13075 2021-02-03 Richard Biener <rguenther@suse.de>
13077 * lto-streamer.c (lto_get_section_name): Free temporary
13079 * tree-loop-distribution.c
13080 (loop_distribution::merge_dep_scc_partitions): Free edge data.
13082 2021-02-03 Jakub Jelinek <jakub@redhat.com>
13084 PR middle-end/97487
13085 * ifcvt.c (noce_can_force_operand): New function.
13086 (noce_emit_move_insn): Use it.
13087 (noce_try_sign_mask): Likewise. Formatting fix.
13089 2021-02-03 Jakub Jelinek <jakub@redhat.com>
13091 PR middle-end/97971
13092 * lra-constraints.c (process_alt_operands): For inline asm, don't call
13093 fatal_insn, but instead return false.
13095 2021-02-03 Jakub Jelinek <jakub@redhat.com>
13097 PR tree-optimization/98287
13098 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
13101 2021-02-03 Tamar Christina <tamar.christina@arm.com>
13103 PR tree-optimization/98928
13104 * tree-vect-loop.c (vect_analyze_loop_2): Change
13105 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
13106 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
13107 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
13108 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
13110 2021-02-02 Richard Biener <rguenther@suse.de>
13112 * gimple-loop-interchange.cc (prepare_data_references):
13114 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
13115 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
13116 * tree-vect-stmts.c (vectorizable_condition): Do not
13118 (vectorizable_comparison): Likewise.
13120 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13122 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
13123 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
13124 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
13125 (vrsqrteq_u32): Likewise.
13127 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13129 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
13130 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
13131 (aarch64_sqxtun2<mode>_be): Likewise.
13132 (aarch64_sqxtun2<mode>): Likewise.
13133 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
13134 (vqmovun_high_s32): Likewise.
13135 (vqmovun_high_s64): Likewise.
13136 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
13138 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13140 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
13142 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
13144 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13146 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
13147 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
13148 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
13149 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
13150 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
13151 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
13152 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
13153 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
13155 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13157 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
13158 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
13159 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
13161 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13163 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
13164 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
13166 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13168 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
13169 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
13170 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
13171 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
13172 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
13173 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
13174 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
13175 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
13176 NONE builtin flags.
13178 2021-02-02 Jakub Jelinek <jakub@redhat.com>
13180 PR tree-optimization/98848
13181 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
13182 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
13184 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
13187 * expr.c: Check mode before calling store_expr.
13189 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
13191 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
13193 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
13194 instruction using expression ior.
13195 (mve_vornq_u<mode>): New expander.
13196 (mve_vornq_f<mode>): Use ior code instead of unspec.
13197 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
13199 2021-02-02 Alexandre Oliva <oliva@adacore.com>
13201 * tree-nested.c (convert_nonlocal_reference_op): Move
13202 current_function_decl restore after re-gimplification.
13203 (convert_local_reference_op): Likewise.
13205 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13207 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
13209 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
13211 (aarch64_rshrn<mode>_insn_be): Likewise.
13212 (aarch64_rshrn<mode>): Likewise.
13213 (aarch64_rshrn2<mode>_insn_le): Likewise.
13214 (aarch64_rshrn2<mode>_insn_be): Likewise.
13215 (aarch64_rshrn2<mode>): Likewise.
13216 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
13217 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
13219 (vrshrn_high_n_s32): Likewise.
13220 (vrshrn_high_n_s64): Likewise.
13221 (vrshrn_high_n_u16): Likewise.
13222 (vrshrn_high_n_u32): Likewise.
13223 (vrshrn_high_n_u64): Likewise.
13224 (vrshrn_n_s16): Likewise.
13225 (vrshrn_n_s32): Likewise.
13226 (vrshrn_n_s64): Likewise.
13227 (vrshrn_n_u16): Likewise.
13228 (vrshrn_n_u32): Likewise.
13229 (vrshrn_n_u64): Likewise.
13231 2021-02-01 Sergei Trofimovich <siarheit@google.com>
13233 PR tree-optimization/98499
13234 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
13235 conservatively and assume all possible side-effects.
13237 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13239 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
13240 vec_unpacku_hi_): Define builtins.
13241 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
13243 (vmovl_high_s16): Likewise.
13244 (vmovl_high_s32): Likewise.
13245 (vmovl_high_u8): Likewise.
13246 (vmovl_high_u16): Likewise.
13247 (vmovl_high_u32): Likewise.
13249 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13251 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
13253 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
13255 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
13257 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
13259 (vabdl_s16): Likewise.
13260 (vabdl_s32): Likewise.
13261 (vabdl_u8): Likewise.
13262 (vabdl_u16): Likewise.
13263 (vabdl_u32): Likewise.
13264 * config/aarch64/iterators.md (ABDL): New int iterator.
13265 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
13267 2021-02-01 Martin Sebor <msebor@redhat.com>
13269 * tree.h (BLOCK_VARS): Add comment.
13270 (BLOCK_SUBBLOCKS): Same.
13271 (BLOCK_SUPERCONTEXT): Same.
13272 (BLOCK_ABSTRACT_ORIGIN): Same.
13273 (inlined_function_outer_scope_p): Same.
13275 2021-02-01 Martin Sebor <msebor@redhat.com>
13277 PR middle-end/97172
13278 * attribs.c (attr_access::free_lang_data): Define new function.
13279 * attribs.h (attr_access::free_lang_data): Declare new function.
13281 2021-02-01 Richard Biener <rguenther@suse.de>
13283 * vec.h (auto_vec::auto_vec): Add memory stat parameters
13285 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
13287 2021-02-01 Tamar Christina <tamar.christina@arm.com>
13289 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
13290 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
13292 2021-02-01 Richard Biener <rguenther@suse.de>
13294 PR rtl-optimization/98863
13295 * config/i386/i386-features.c (convert_scalars_to_vector):
13296 Set DF_RD_PRUNE_DEAD_DEFS.
13298 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
13300 * system.h (SIZE_MAX): Define if not already defined.
13302 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
13304 * config/rs6000/genfusion.pl (gen_2logical): New function to
13305 generate patterns for logical-logical fusion.
13306 * config/rs6000/fusion.md: Regenerated patterns.
13307 * config/rs6000/rs6000-cpus.def: Add
13308 OPTION_MASK_P10_FUSION_2LOGICAL.
13309 * config/rs6000/rs6000.c (rs6000_option_override_internal):
13310 Enable logical-logical fusion for p10.
13311 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
13313 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
13315 * config/rs6000/rs6000.opt: Add periods to new AIX options.
13317 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
13319 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
13320 (mabi=vec-default): New.
13321 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
13322 __EXTABI__ for AIX Vector extended ABI.
13323 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
13325 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
13327 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
13329 2021-01-30 Jakub Jelinek <jakub@redhat.com>
13331 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
13332 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
13334 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
13337 * lra-constraints.c (in_class_p): Don't narrow class only for REG
13340 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
13342 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
13343 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
13344 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
13346 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
13348 PR tree-optimization/98866
13349 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
13350 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
13351 (gori_map::m_maybe_invariant): Rename from all_outgoing.
13352 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
13353 (gori_map::is_export_p): Ditto.
13354 (gori_map::calculate_gori): Ditto.
13355 (gori_compute::set_range_invariant): New.
13356 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
13357 invariant for pointers evaluating to [1, +INF].
13359 2021-01-29 Richard Biener <rguenther@suse.de>
13361 PR rtl-optimization/98863
13362 * config/i386/i386-features.c (remove_partial_avx_dependency):
13363 Do not perform DF analysis.
13364 (pass_data_remove_partial_avx_dependency): Remove
13367 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
13369 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
13370 builtin generator macros.
13371 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
13373 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
13374 instead of inline asm.
13375 (vmull_n_s32): Likewise.
13376 (vmull_n_u16): Likewise.
13377 (vmull_n_u32): Likewise.
13379 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13381 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
13383 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
13385 (aarch64_<sur>abdl2<mode>): ... This.
13386 (<sur>sadv16qi): Adjust use of above.
13387 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
13389 (vabdl_high_s16): Likewise.
13390 (vabdl_high_s32): Likewise.
13391 (vabdl_high_u8): Likewise.
13392 (vabdl_high_u16): Likewise.
13393 (vabdl_high_u32): Likewise.
13395 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13397 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
13399 (uabal2): Likewise.
13400 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
13402 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
13404 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
13406 (vabal_high_s16): Likewise.
13407 (vabal_high_s32): Likewise.
13408 (vabal_high_u8): Likewise.
13409 (vabal_high_u16): Likewise.
13410 (vabal_high_u32): Likewise.
13411 * config/aarch64/iterators.md (ABAL2): New mode iterator.
13412 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
13414 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13416 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
13419 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
13421 (aarch64_<sur>abal<mode>): ... This
13422 (<sur>sadv16qi): Adust use of the above.
13423 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
13425 (vabal_s16): Likewise.
13426 (vabal_s32): Likewise.
13427 (vabal_u8): Likewise.
13428 (vabal_u16): Likewise.
13429 (vabal_u32): Likewise.
13431 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13433 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
13435 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
13437 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
13439 (vaddlv_s16): Likewise.
13440 (vaddlv_u8): Likewise.
13441 (vaddlv_u16): Likewise.
13442 (vaddlvq_s8): Likewise.
13443 (vaddlvq_s16): Likewise.
13444 (vaddlvq_s32): Likewise.
13445 (vaddlvq_u8): Likewise.
13446 (vaddlvq_u16): Likewise.
13447 (vaddlvq_u32): Likewise.
13448 (vaddlv_s32): Likewise.
13449 (vaddlv_u32): Likewise.
13450 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
13451 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
13452 (Vwstype): New mode attribute.
13454 (VWIDE_S): Likewise.
13455 (USADDLV): New int iterator.
13456 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
13458 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
13460 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
13461 builtin generator macros.
13462 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
13464 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
13465 instead of inline asm.
13466 (vmlsl_lane_s32): Likewise.
13467 (vmlsl_lane_u16): Likewise.
13468 (vmlsl_lane_u32): Likewise.
13469 (vmlsl_laneq_s16): Likewise.
13470 (vmlsl_laneq_s32): Likewise.
13471 (vmlsl_laneq_u16): Likewise.
13472 (vmlsl_laneq_u32): Likewise.
13474 2021-01-29 Richard Biener <rguenther@suse.de>
13476 * doc/invoke.texi (--param max-gcse-memory): Document unit
13478 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
13479 * params.opt (--param max-gcse-memory): Adjust default and
13480 document unit of size.
13482 2021-01-29 Richard Biener <rguenther@suse.de>
13484 PR rtl-optimization/98863
13485 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
13486 HOST_WIDE_INT for the memory estimate.
13488 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
13489 Richard Biener <rguenther@suse.de>
13491 PR tree-optimization/97627
13492 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
13493 Do not analyze fake edges.
13495 2021-01-29 Richard Biener <rguenther@suse.de>
13497 PR rtl-optimization/98144
13498 * df.h (df_mir_bb_info): Add con_visited member.
13499 * df-problems.c (df_mir_alloc): Initialize con_visited,
13500 do not fully populate IN and OUT.
13501 (df_mir_reset): Likewise.
13502 (df_mir_confluence_0): Set con_visited.
13503 (df_mir_confluence_n): Properly handle implicitely
13504 fully populated IN and OUT as designated by con_visited
13505 and update con_visited accordingly.
13507 2021-01-29 Jakub Jelinek <jakub@redhat.com>
13510 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
13511 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
13512 && !TARGET_REALLY_IWMMXT to conditions.
13514 2021-01-29 Jakub Jelinek <jakub@redhat.com>
13517 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
13520 2021-01-28 Marek Polacek <polacek@redhat.com>
13523 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
13524 the main variant, maybe reset it in its variants too.
13525 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
13526 (check_aligned_type): Check if TYPE_USER_ALIGN match.
13528 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
13531 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
13532 of constant zero for comparisons.
13534 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
13536 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
13537 support for mapping built-in function names for long double
13538 built-in functions if long double is IEEE 128-bit.
13540 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
13542 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
13543 builtin generator macros.
13544 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
13546 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
13547 instead of inline asm.
13548 (vmlsl_n_s32): Likewise.
13549 (vmlsl_n_u16): Likewise.
13550 (vmlsl_n_u32): Likewise.
13552 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
13554 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
13555 builtin generator macros.
13556 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
13558 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
13559 instead of inline asm.
13560 (vmlal_n_s32): Likewise.
13561 (vmlal_n_u16): Likewise.
13562 (vmlal_n_u32): Likewise.
13564 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13566 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
13568 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
13570 (aarch64_shrn2<mode>_insn_be): Likewise.
13571 (aarch64_shrn2<mode>): Likewise.
13572 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
13574 (vshrn_high_n_s32): Likewise.
13575 (vshrn_high_n_s64): Likewise.
13576 (vshrn_high_n_u16): Likewise.
13577 (vshrn_high_n_u32): Likewise.
13578 (vshrn_high_n_u64): Likewise.
13580 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13582 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
13584 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
13586 (aarch64_shrn<mode>_insn_be): Likewise.
13587 (aarch64_shrn<mode>): Likewise.
13588 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
13590 (vshrn_n_s32): Likewise.
13591 (vshrn_n_s64): Likewise.
13592 (vshrn_n_u16): Likewise.
13593 (vshrn_n_u32): Likewise.
13594 (vshrn_n_u64): Likewise.
13595 * config/aarch64/iterators.md (vn_mode): New mode attribute.
13597 2021-01-28 Richard Biener <rguenther@suse.de>
13599 PR rtl-optimization/80960
13600 * dse.c (check_mem_read_rtx): Call get_addr on the
13603 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
13604 David Edelsohn <dje.gcc@gmail.com>
13607 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13608 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
13610 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
13612 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
13613 wrapper call rs6000_expand_vector_set_var for cleanup. Call
13614 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
13616 (rs6000_expand_vector_set_var): Delete.
13617 (rs6000_expand_vector_set_var_p9): Make static.
13618 (rs6000_expand_vector_set_var_p8): Make static.
13620 2021-01-28 Xing GUO <higuoxing@gmail.com>
13622 * common/config/riscv/riscv-common.c
13623 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
13624 when `p` extension exists.
13626 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
13628 PR rtl-optimization/97684
13629 * ira.c (ira): Call ira_set_pseudo_classes before
13630 update_equiv_regs when it is necessary.
13632 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13635 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
13636 %w0, %w1 and %2 instead of %0, %1 and %2.
13638 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
13640 * config/rs6000/genfusion.pl: New script to generate
13641 define_insn_and_split patterns so combine can arrange fused
13642 instructions next to each other.
13643 * config/rs6000/fusion.md: New file, generated fused instruction
13644 patterns for combine.
13645 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
13646 (non_update_memory_operand): New predicate.
13647 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
13648 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
13650 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
13652 * config/rs6000/rs6000.c (rs6000_option_override_internal):
13653 Automatically set OPTION_MASK_P10_FUSION and
13654 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
13655 (rs600_opt_masks): Allow -mpower10-fusion
13656 in function attributes.
13657 (address_is_non_pfx_d_or_x): New function.
13658 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
13659 * config/rs6000/rs6000.md: Include fusion.md.
13660 * config/rs6000/rs6000.opt: Add -mpower10-fusion
13661 and -mpower10-fusion-ld-cmpi.
13662 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
13664 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13666 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
13667 builtin generator macros.
13668 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
13670 (aarch64_<su>mlal<mode>): This.
13671 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
13672 instead of inline asm.
13673 (vmlal_s16): Likewise.
13674 (vmlal_s32): Likewise.
13675 (vmlal_u8): Likewise.
13676 (vmlal_u16): Likewise.
13677 (vmlal_u32): Likewise.
13679 2021-01-27 Richard Biener <rguenther@suse.de>
13681 PR tree-optimization/98854
13682 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
13683 PHIs from scalars when the number of CTORs matches the
13684 number of children.
13686 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13688 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
13690 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
13692 (aarch64_mls_n<mode>): This.
13693 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
13695 (vmls_n_s32): Likewise.
13696 (vmls_n_u16): Likewise.
13697 (vmls_n_u32): Likewise.
13698 (vmlsq_n_s16): Likewise.
13699 (vmlsq_n_s32): Likewise.
13700 (vmlsq_n_u16): Likewise.
13701 (vmlsq_n_u32): Likewise.
13703 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13705 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
13707 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
13709 (vmls_s16): Likewise.
13710 (vmls_s32): Likewise.
13711 (vmls_u8): Likewise.
13712 (vmls_u16): Likewise.
13713 (vmls_u32): Likewise.
13714 (vmlsq_s8): Likewise.
13715 (vmlsq_s16): Likewise.
13716 (vmlsq_s32): Likewise.
13717 (vmlsq_u8): Likewise.
13718 (vmlsq_u16): Likewise.
13719 (vmlsq_u32): Likewise.
13721 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13723 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
13725 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
13727 (aarch64_mla_n<mode>): This.
13728 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
13730 (vmla_n_s32): Likewise.
13731 (vmla_n_u16): Likewise.
13732 (vmla_n_u32): Likewise.
13733 (vmlaq_n_s16): Likewise.
13734 (vmlaq_n_s32): Likewise.
13735 (vmlaq_n_u16): Likewise.
13736 (vmlaq_n_u32): Likewise.
13738 2021-01-27 liuhongt <hongtao.liu@intel.com>
13741 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
13742 (*sse2_eq<mode>3): Ditto.
13744 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13746 * tree-pass.h (PROP_trees): Rename to ...
13747 (PROP_gimple): ... this.
13748 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
13749 * passes.c (execute_function_dump, execute_function_todo,
13750 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
13751 * varpool.c (ctor_for_folding): Likewise.
13753 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13755 PR tree-optimization/97260
13756 * varpool.c: Include tree-pass.h.
13757 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
13758 non-TREE_SIDE_EFFECTS automatic variables.
13760 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
13762 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
13764 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
13765 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
13766 (gen_compile_unit_die): Recognise C++23.
13768 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13771 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
13774 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13777 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
13778 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
13779 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
13781 2021-01-26 Richard Biener <rguenther@suse.de>
13783 * gimple-pretty-print.c (dump_binary_rhs): Handle
13784 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
13786 2021-01-26 Richard Biener <rguenther@suse.de>
13788 PR middle-end/98726
13789 * tree.h (vector_cst_int_elt): Remove.
13790 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
13793 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
13795 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
13796 for V64DFmode min/max reductions.
13798 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13800 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
13801 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
13802 two halves, one with x and the other with const0_rtx, ordered
13803 depending on endianity.
13805 2021-01-26 Alexandre Oliva <oliva@adacore.com>
13807 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
13808 temporaries not seen in binding block, and not about to be
13809 added as gimple variables.
13811 2021-01-25 Martin Sebor <msebor@redhat.com>
13814 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
13816 2021-01-25 Martin Liska <mliska@suse.cz>
13818 * value-prof.c (get_nth_most_common_value): Use %s instead
13821 2021-01-25 Jakub Jelinek <jakub@redhat.com>
13824 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
13825 readelf -wi is able to read the emitted .debug_info back.
13826 * configure: Regenerated.
13828 2021-01-25 Martin Liska <mliska@suse.cz>
13830 PR gcov-profile/98739
13831 * common.opt: Add missing sign symbol.
13832 * value-prof.c (get_nth_most_common_value): Restore handling
13833 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
13834 PROFILE_REPRODUCIBILITY_MULTITHREADED.
13836 2021-01-25 Richard Biener <rguenther@suse.de>
13838 PR middle-end/98807
13839 * tree.c (vector_element_bits): Always use precision of
13840 the element type for boolean vectors.
13842 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
13844 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
13845 (ENDFILE_SPEC): Evaluate qnolinkcmds.
13847 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
13849 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
13850 nostartfiles handling since this is already done by
13851 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
13852 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
13853 is already done by LINK_COMMAND_SPEC.
13854 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
13855 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
13858 2021-01-25 Jakub Jelinek <jakub@redhat.com>
13861 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
13862 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
13863 value rather than host size_t.
13864 (fold_const_call): Change type of s2 from size_t to
13865 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
13866 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
13867 instead of s2 as last argument.
13869 2021-01-25 Tamar Christina <tamar.christina@arm.com>
13871 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
13872 VCMLA_OP, VCMUL_OP): New.
13873 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
13874 * config/arm/neon.md (cmul<conj_op><mode>3): New.
13875 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
13876 UNSPEC_VCMUL_CONJ): New.
13877 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
13878 cml<fcmac1><conj_op><mode>4): New.
13880 2021-01-23 Jakub Jelinek <jakub@redhat.com>
13883 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
13885 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
13887 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
13889 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
13891 (vmla_s16): Likewise.
13892 (vmla_s32): Likewise.
13893 (vmla_u8): Likewise.
13894 (vmla_u16): Likewise.
13895 (vmla_u32): Likewise.
13896 (vmlaq_s8): Likewise.
13897 (vmlaq_s16): Likewise.
13898 (vmlaq_s32): Likewise.
13899 (vmlaq_u8): Likewise.
13900 (vmlaq_u16): Likewise.
13901 (vmlaq_u32): Likewise.
13903 2021-01-22 David Malcolm <dmalcolm@redhat.com>
13905 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
13908 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13911 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
13912 filenames to emit, still emit the required 0 index directory and
13913 filename entries that match DW_AT_comp_dir and DW_AT_name of the
13916 2021-01-22 Marek Polacek <polacek@redhat.com>
13919 * doc/invoke.texi: Update C++ ABI Version 15 description.
13921 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13923 PR tree-optimization/98766
13924 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
13925 comparing against type size with param_avoid_fma_max_bits.
13927 2021-01-22 Richard Biener <rguenther@suse.de>
13929 PR middle-end/98793
13930 * tree.c (vector_element_bits): Key single-bit bool vector on
13931 integer mode rather than not vector mode.
13933 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
13936 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13937 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
13939 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
13940 to call different path for P8 and P9.
13941 (rs6000_expand_vector_set_var_p9): New function.
13942 (rs6000_expand_vector_set_var_p8): New function.
13944 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
13948 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13949 Ajdust variable index vec_insert from address dereference to
13950 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
13951 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
13953 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
13955 2021-01-22 Martin Liska <mliska@suse.cz>
13957 PR gcov-profile/98739
13958 * profile.c (compute_value_histograms): Drop time profile for
13959 -fprofile-reproducible=multithreaded.
13961 2021-01-22 Nathan Sidwell <nathan@acm.org>
13963 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
13966 2021-01-22 Richard Biener <rguenther@suse.de>
13968 PR middle-end/98773
13969 * tree-data-ref.c (initalize_matrix_A): Revert previous
13970 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
13972 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13974 PR tree-optimization/90248
13975 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
13976 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
13978 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
13979 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
13981 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13983 PR tree-optimization/98255
13984 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
13985 extend index - low_bound from sizetype's precision rather than index
13987 (get_addr_base_and_unit_offset_1): Likewise.
13988 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
13989 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
13991 2021-01-22 Richard Biener <rguenther@suse.de>
13993 PR tree-optimization/98786
13994 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
13995 adding new uses of abnormals. Verify we deal with a conditional
13998 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
14001 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
14003 2021-01-22 liuhongt <hongtao.liu@intel.com>
14007 * config/i386/sse.md (VI_128_256): New mode iterator.
14008 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
14009 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
14010 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
14011 define_insn_and_split to lower avx512 vector comparison to avx
14012 version when dest is vector.
14013 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
14014 define_insn_and_split for negating the comparison result.
14015 * config/i386/predicates.md (float_vector_all_ones_operand):
14017 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
14018 general NOT operator without UNSPEC_MASKOP.
14020 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
14022 PR rtl-optimization/98777
14023 * lra-int.h (lra_pmode_pseudo): New extern.
14024 * lra.c (lra_pmode_pseudo): New global.
14026 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
14028 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
14030 * fwprop.c (fwprop_propagation::classify_result): Allow
14031 (subreg (mem)) simplifications.
14033 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14035 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
14037 (aarch64_sqdmlal<mode>): ... This...
14038 (aarch64_sqdmlsl<mode>): ... And this.
14039 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
14040 (aarch64_sqdmlal_lane<mode>): ... This...
14041 (aarch64_sqdmlsl_lane<mode>): ... And this.
14042 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
14043 (aarch64_sqdmlsl_laneq<mode>): ... This...
14044 (aarch64_sqdmlal_laneq<mode>): ... And this.
14045 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
14046 (aarch64_sqdmlsl_n<mode>): ... This...
14047 (aarch64_sqdmlal_n<mode>): ... And this.
14048 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
14049 (aarch64_sqdmlal2<mode>_internal): ... This...
14050 (aarch64_sqdmlsl2<mode>_internal): ... And this.
14052 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
14054 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
14056 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
14059 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
14061 2021-01-21 liuhongt <hongtao.liu@intel.com>
14063 PR rtl-optimization/98694
14064 * regcprop.c (copy_value): If SRC had been assigned a mode
14065 narrower than the copy, we can't link DEST into the chain even
14066 they have same hard_regno_nregs(i.e. HImode/SImode in i386
14069 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14071 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
14072 Convert to define_insn_and_split. Split into simple move when moving
14075 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
14077 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
14078 Adjust comment. Simplify code.
14080 2021-01-20 Jakub Jelinek <jakub@redhat.com>
14083 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
14084 with DW_FORM_line_strp form.
14085 (prune_unused_types_update_strings): Don't add into debug_str_hash
14086 indirect strings with DW_FORM_line_strp form.
14087 (adjust_name_comp_dir): New function.
14088 (dwarf2out_finish): Call it on CU DIEs after resetting
14089 debug_line_str_hash.
14091 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
14093 PR rtl-optimization/98722
14094 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
14095 has no 3-op add insn to transform insns containing two pluses.
14097 2021-01-20 Richard Biener <rguenther@suse.de>
14099 * hwint.h (add_hwi): New function.
14100 (mul_hwi): Likewise.
14101 * tree-data-ref.c (initialize_matrix_A): Properly translate
14102 tree constants and avoid HOST_WIDE_INT_MIN.
14103 (lambda_matrix_row_add): Avoid undefined integer overflow
14104 and return true on such overflow.
14105 (lambda_matrix_right_hermite): Handle overflow from
14106 lambda_matrix_row_add gracefully. Simplify previous fix.
14107 (analyze_subscript_affine_affine): Likewise.
14109 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
14111 PR tree-optimization/96674
14112 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
14113 x >= y && y != XXX_MIN --> x > y - 1
14115 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
14117 PR tree-optimization/98535
14118 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
14119 If the high and low permutes are the same, remove the high permutes
14120 from the working set and only continue with the low ones.
14122 2021-01-20 Jakub Jelinek <jakub@redhat.com>
14124 PR tree-optimization/98721
14125 * builtins.c (access_ref::inform_access): Don't assume
14126 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
14127 object whenever allocfn is NULL, rather than only when DECL_P
14128 is true. Use %qE instead of %qD for that. Formatting fixes.
14130 2021-01-20 Richard Biener <rguenther@suse.de>
14132 PR tree-optimization/98758
14133 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
14134 (lambda_matrix_right_hermite): Avoid undefinedness with
14135 signed integer abs and multiplication.
14136 (analyze_subscript_affine_affine): Use lambda_int.
14138 2021-01-20 David Malcolm <dmalcolm@redhat.com>
14141 * dwarf2out.c (output_line_info): Rename static variable
14142 "generation", moving it out of the function to...
14143 (output_line_info_generation): New.
14144 (init_sections_and_labels): Likewise, renaming the variable to...
14145 (init_sections_and_labels_generation): New.
14146 (dwarf2out_c_finalize): Reset the new variables.
14148 2021-01-19 Martin Sebor <msebor@redhat.com>
14150 PR middle-end/98664
14151 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
14152 all functions, even if they're not declared artificial or inline.
14153 * tree.c (tree_inlined_location): Use macro expansion location
14154 only if scope traversal fails to expose one.
14156 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
14158 PR rtl-optimization/92294
14159 * alias.c (compare_base_symbol_refs): Take an extra parameter
14160 and add the distance between two symbols to it. Enshrine in
14161 comments that -1 means "either 0 or 1, but we can't tell
14162 which at compile time".
14163 (memrefs_conflict_p): Update call accordingly.
14164 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
14167 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14169 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
14170 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
14171 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
14172 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
14173 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
14174 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
14175 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
14176 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
14177 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
14178 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
14179 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
14180 sqmovun): Use NONE flags.
14182 2021-01-19 Richard Biener <rguenther@suse.de>
14185 * ipa-modref.c (analyze_stmt): Only record a summary for a
14188 2021-01-19 Richard Biener <rguenther@suse.de>
14190 PR middle-end/98638
14191 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
14193 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
14195 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
14196 built-in define __FIX_LEON3FT_TN0018.
14198 2021-01-19 Richard Biener <rguenther@suse.de>
14201 * tree-inline.c (tree_function_versioning): Set input_location
14202 to UNKNOWN_LOCATION throughout the function.
14204 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
14207 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
14209 2021-01-19 Martin Jambor <mjambor@suse.cz>
14212 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
14213 whether non-call exceptions allow removal of a statement.
14214 (isra_analyze_call): Pass the appropriate function to
14215 ssa_name_only_returned_p.
14217 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
14219 * config/riscv/arch-canonicalize (longext_sort): New function for
14220 sorting 'multi-letter'.
14221 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
14222 'alts'. The 'arch' may not be the first of 'alts'.
14223 (_expand_combination): Add underline for the 'ext' without '*'.
14224 This is because, a single-letter extension can always be treated well
14225 with a '_' prefix, but it cannot be separated out if it is appended
14228 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
14231 * ira.c (ira): Skip abnormal critical edge splitting.
14233 2021-01-18 Jakub Jelinek <jakub@redhat.com>
14235 PR tree-optimization/98727
14236 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
14237 second .MUL_OVERFLOW operand for signed multiplication with overflow
14238 checking if the second operand of multiplication is not constant.
14240 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
14242 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
14243 defaults to version 4.
14245 2021-01-18 David Malcolm <dmalcolm@redhat.com>
14247 * attribs.h (fndecl_dealloc_argno): New decl.
14248 * builtins.c (call_dealloc_argno): Split out second half of
14250 (fndecl_dealloc_argno): New.
14251 * doc/extend.texi (Common Function Attributes): Document the
14252 interaction between the analyzer and the malloc attribute.
14253 * doc/invoke.texi (Static Analyzer Options): Likewise.
14255 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
14257 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
14258 dwarf_version to 4.
14259 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14261 2021-01-17 Martin Jambor <mjambor@suse.cz>
14264 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
14267 2021-01-17 Mark Wielaard <mark@klomp.org>
14269 * common.opt (gdwarf-): Init(5).
14270 * doc/invoke.texi (-gdwarf): Document default to 5.
14272 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
14274 * builtin-types.def
14275 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
14277 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
14278 ...this. Add extra argument.
14279 * gimplify.c (omp_default_clause): Ensure that event handle is
14280 firstprivate in a task region.
14281 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
14282 (gimplify_adjust_omp_clauses): Likewise.
14283 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
14284 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
14285 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
14286 if detach clause specified. Add detach argument when generating
14288 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
14290 (finish_taskreg_scan): Move field for variable containing the event
14291 handle to the front of the struct.
14292 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
14294 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
14295 OMP_CLAUSE_DETACH clause.
14296 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
14297 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
14298 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
14300 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
14302 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
14304 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14306 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
14307 multilib directory names. Use MULTILIB_REQUIRED instead of
14308 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
14309 -mcustom-fpu-cfg=fph2 multilib.
14311 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14313 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
14314 (nios2_init_fpu_configs): Provide register values for new
14315 -mcustom-fpu-cfg=fph2 option variant.
14316 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
14319 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14321 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
14322 custom instruction warnings.
14324 2021-01-16 Jakub Jelinek <jakub@redhat.com>
14326 PR tree-optimization/96669
14327 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
14329 2021-01-16 Jakub Jelinek <jakub@redhat.com>
14331 PR tree-optimization/96271
14332 * passes.def: Pass false argument to first two pass_cd_dce
14333 instances and true to last instance. Add comment that
14334 last instance rewrites no longer addressed locals.
14335 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
14337 (pass_cd_dce::set_pass_param): New method.
14338 (pass_cd_dce::execute): Return TODO_update_address_taken from
14339 last cd_dce instance.
14341 2021-01-15 Carl Love <cel@us.ibm.com>
14343 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
14345 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
14346 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
14347 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
14348 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
14349 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
14350 Add builtin define.
14351 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
14352 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
14353 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
14354 New overloaded definitions.
14355 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
14356 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
14357 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
14358 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
14359 P10V_BUILTIN_MULHU_V4SI]: Add case
14360 statement for builtins.
14361 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
14362 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
14363 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
14364 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
14365 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
14366 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
14367 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
14368 Add define_insn, mode is VIlong.
14369 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
14370 Add builtin descriptions.
14372 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
14374 * final.c (final_start_function_1): Reset force_source_line.
14376 2021-01-15 Jakub Jelinek <jakub@redhat.com>
14378 PR tree-optimization/96669
14379 * match.pd (((1 << A) & 1) != 0 -> A == 0,
14380 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
14381 possibly different power of two constants and to right shift too.
14383 2021-01-15 Jakub Jelinek <jakub@redhat.com>
14385 PR tree-optimization/96681
14386 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
14387 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
14388 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
14389 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
14391 2021-01-15 Alexandre Oliva <oliva@adacore.com>
14393 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
14395 2021-01-15 Tamar Christina <tamar.christina@arm.com>
14397 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
14398 cmul<conj_op><mode>3): New.
14399 * config/aarch64/iterators.md (UNSPEC_FCMUL,
14400 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
14401 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
14402 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
14403 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
14404 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
14405 (rot_op): Renamed to conj_op.
14406 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
14407 cmul<conj_op><mode>3): New.
14408 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
14409 cmul<conj_op><mode>3): New.
14411 2021-01-15 David Malcolm <dmalcolm@redhat.com>
14415 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
14416 Escape the tempfile name when constructing the expected output.
14418 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14420 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
14422 (aarch64_<su>mlsl_hi<mode>): ... This.
14423 (aarch64_<su>mlsl_hi<mode>): Define.
14424 (*aarch64_<su>mlsl<mode): Rename to...
14425 (aarch64_<su>mlsl<mode): ... This.
14426 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
14427 smlsl_hi, umlsl_hi): Define builtins.
14428 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
14429 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
14430 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
14431 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
14433 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
14435 * config/i386/i386-c.c (ix86_target_macros):
14436 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
14438 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14441 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
14442 * Makefile.in (RTL_SSA_H): New variable.
14443 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
14444 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
14445 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
14447 * config/aarch64/aarch64-cc-fusion.cc: New file.
14449 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14451 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
14452 calling cancel_changes for changes that no longer exist.
14454 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14456 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
14457 (function_info::reg_defs): ...this.
14458 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
14459 (function_info::reg_defs): ...this.
14461 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14464 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14466 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14469 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14472 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14474 2021-01-15 Richard Biener <rguenther@suse.de>
14476 PR tree-optimization/96376
14477 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
14478 for VMAT_INVARIANT.
14480 2021-01-15 Martin Liska <mliska@suse.cz>
14482 * doc/install.texi: Document that some tests need pytest module.
14483 * doc/sourcebuild.texi: Likewise.
14485 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14488 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14490 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14492 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
14493 (mve_vshrq_n_u<mode>_imm): Likewise.
14494 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
14495 * config/arm/vec-common.md: ... here.
14497 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14499 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
14501 * config/arm/neon.md (vashl<mode>3): Delete.
14502 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
14503 (vasl<mode>3): New expander.
14505 2021-01-15 Richard Biener <rguenther@suse.de>
14507 PR tree-optimization/98685
14508 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
14509 of vector extern defs.
14511 2021-01-14 David Malcolm <dmalcolm@redhat.com>
14514 * diagnostic.c (diagnostic_kind_text): Break out this array
14516 (diagnostic_build_prefix): ...here.
14517 (fancy_abort): Detect when diagnostic_initialize has not yet been
14518 called and fall back to a minimal implementation of printing the
14519 ICE, rather than segfaulting in internal_error.
14521 2021-01-14 David Malcolm <dmalcolm@redhat.com>
14523 * diagnostic.c (diagnostic_initialize): Eliminate
14524 parseable_fixits_p in favor of initializing extra_output_kind from
14525 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
14526 (convert_column_unit): New function, split out from...
14527 (diagnostic_converted_column): ...this.
14528 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
14529 Use them to call convert_column_unit on the column values.
14530 (diagnostic_report_diagnostic): Eliminate conditional on
14531 parseable_fixits_p in favor of a switch statement on
14532 extra_output_kind, passing the appropriate values to the new
14533 params of print_parseable_fixits.
14534 (selftest::test_print_parseable_fixits_none): Update for new
14535 params of print_parseable_fixits.
14536 (selftest::test_print_parseable_fixits_insert): Likewise.
14537 (selftest::test_print_parseable_fixits_remove): Likewise.
14538 (selftest::test_print_parseable_fixits_replace): Likewise.
14539 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
14541 (selftest::diagnostic_c_tests): Call it.
14542 * diagnostic.h (enum diagnostics_extra_output_kind): New.
14543 (diagnostic_context::parseable_fixits_p): Delete field in favor
14545 (diagnostic_context::extra_output_kind): ...this new field.
14546 * doc/invoke.texi (Environment Variables): Add
14547 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
14548 * opts.c (common_handle_option): Update handling of
14549 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
14552 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14554 * tree-vect-slp-patterns.c (class complex_operations_pattern,
14555 complex_operations_pattern::matches,
14556 complex_operations_pattern::recognize,
14557 complex_operations_pattern::build): New.
14558 (slp_patterns): Use it.
14560 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14562 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
14563 * optabs.def (cmls_optab, cmls_conj_optab): New.
14564 * doc/md.texi: Document them.
14565 * tree-vect-slp-patterns.c (class complex_fms_pattern,
14566 complex_fms_pattern::matches, complex_fms_pattern::recognize,
14567 complex_fms_pattern::build): New.
14569 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14571 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
14572 * optabs.def (cmla_optab, cmla_conj_optab): New.
14573 * doc/md.texi: Document them.
14574 * tree-vect-slp-patterns.c (vect_match_call_p,
14575 class complex_fma_pattern, vect_slp_reset_pattern,
14576 complex_fma_pattern::matches, complex_fma_pattern::recognize,
14577 complex_fma_pattern::build): New.
14579 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14581 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
14582 * optabs.def (cmul_optab, cmul_conj_optab): New.
14583 * doc/md.texi: Document them.
14584 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
14585 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
14586 vect_build_combine_node, class complex_mul_pattern,
14587 complex_mul_pattern::matches, complex_mul_pattern::recognize,
14588 complex_mul_pattern::build): New.
14590 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14592 * tree-vect-slp.c (optimize_load_redistribution_1): New.
14593 (optimize_load_redistribution, vect_is_slp_load_node): New.
14594 (vect_match_slp_patterns): Use it.
14596 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14598 * tree-vect-slp-patterns.c (complex_add_pattern::build):
14601 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
14603 * config/gcn/mkoffload.c (main): Create an offload image only in
14604 64-bit configurations.
14606 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
14609 * config/i386/i386-options.c (ix86_option_override_internal):
14610 Issue an error for -fcf-protection with CF_BRANCH when compiling
14611 for 32-bit non-TARGET_CMOV targets.
14613 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
14616 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
14617 Remove declaration and initialization of shadow variable "ret".
14618 (ix86_option_override_internal): Remove delcaration of
14619 shadow variable "i". Redeclare shadowed variable to unsigned.
14620 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
14621 * config/i386/i386-builtins.c (get_builtin_code_for_version):
14622 Update for redeclaration.
14623 * config/i386/i386.h (pta_size): Ditto.
14625 2021-01-14 Richard Biener <rguenther@suse.de>
14627 PR tree-optimization/98674
14628 * tree-data-ref.c (base_supports_access_fn_components_p): New.
14629 (initialize_data_dependence_relation): For two bases without
14630 possible access fns resort to type size equality when determining
14631 shape compatibility.
14633 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
14636 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
14637 <=, >= operators in vcle and vcge intrinsics respectively.
14638 * config/arm/arm_neon_builtins.def: Remove entry for
14641 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
14644 * config/i386/i386-options.c (ix86_function_specific_save):
14645 Remove redundant assignment to opts->x_ix86_branch_cost.
14646 * config/i386/i386.c (ix86_prefetch_sse):
14647 Rename from x86_prefetch_sse. Update all uses.
14648 * config/i386/i386.h: Update for rename.
14649 * config/i386/i386-options.h: Ditto.
14651 2021-01-14 Jakub Jelinek <jakub@redhat.com>
14654 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
14655 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
14656 Use Bm instead of m for non-avx. Add isa attribute.
14658 2021-01-14 Jakub Jelinek <jakub@redhat.com>
14660 PR tree-optimization/96688
14661 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
14662 ~X can be simplified.
14664 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
14666 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
14667 IFN_LOAD_LANES results.
14669 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14671 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
14673 (aarch64_xtn<mode>): Likewise.
14674 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
14677 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
14679 (vmovl_s16): Likewise.
14680 (vmovl_s32): Likewise.
14681 (vmovl_u8): Likewise.
14682 (vmovl_u16): Likewise.
14683 (vmovl_u32): Likewise.
14684 (vmovn_s16): Likewise.
14685 (vmovn_s32): Likewise.
14686 (vmovn_s64): Likewise.
14687 (vmovn_u16): Likewise.
14688 (vmovn_u32): Likewise.
14689 (vmovn_u64): Likewise.
14691 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14693 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
14695 (aarch64_<su>qxtn2<mode>_be): Likewise.
14696 (aarch64_<su>qxtn2<mode>): Likewise.
14697 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
14699 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
14700 (su): Handle ss_truncate and us_truncate.
14701 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
14703 (vqmovn_high_s32): Likewise.
14704 (vqmovn_high_s64): Likewise.
14705 (vqmovn_high_u16): Likewise.
14706 (vqmovn_high_u32): Likewise.
14707 (vqmovn_high_u64): Likewise.
14709 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14711 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
14713 (aarch64_xtn2<mode>_be): Likewise.
14714 (aarch64_xtn2<mode>): Likewise.
14715 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
14717 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
14719 (vmovn_high_s32): Likewise.
14720 (vmovn_high_s64): Likewise.
14721 (vmovn_high_u16): Likewise.
14722 (vmovn_high_u32): Likewise.
14723 (vmovn_high_u64): Likewise.
14725 2021-01-13 Stafford Horne <shorne@gmail.com>
14727 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
14729 2021-01-13 Stafford Horne <shorne@gmail.com>
14731 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
14733 2021-01-13 Stafford Horne <shorne@gmail.com>
14735 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
14736 define for __or1k_hard_float__.
14738 2021-01-13 Stafford Horne <shorne@gmail.com>
14740 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
14741 (PROFILE_HOOK): Define to call _mcount.
14742 (FUNCTION_PROFILER): Change from abort to no-op.
14744 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14746 PR tree-optimization/96691
14747 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
14748 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
14749 (~D ^ C) or (D ^ C) can be simplified.
14751 2021-01-13 Richard Biener <rguenther@suse.de>
14753 PR tree-optimization/92645
14754 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
14755 until after vector lowering.
14757 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14759 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
14761 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
14762 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
14764 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14766 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
14768 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
14769 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
14771 2021-01-13 Richard Biener <rguenther@suse.de>
14773 PR tree-optimization/92645
14774 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
14775 BIT_FIELD_REF argument.
14776 (vect_build_slp_tree_2): Record the desired vector type
14777 on the external vector def.
14778 (vectorizable_slp_permutation): Handle required punning
14779 of existing vector defs.
14781 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14783 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
14785 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14787 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
14789 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
14791 * config.gcc [$target == *-*-gnu*]: Enable
14792 'default_gnu_indirect_function'.
14794 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14797 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
14798 registers before calling targetm.vectorize.vec_perm_const, only after
14800 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
14801 two argument permutation when one operand is zero vector and only
14802 after that force operands into registers.
14803 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
14804 define_insn_and_split pattern.
14805 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
14806 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
14807 (*avx2_zero_extendv8hiv8si2_1): Likewise.
14808 (*avx512f_zero_extendv8siv8di2_1): Likewise.
14809 (*avx2_zero_extendv4siv4di2_1): Likewise.
14810 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
14812 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
14813 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
14814 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
14815 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
14816 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
14817 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
14819 2021-01-13 Martin Liska <mliska@suse.cz>
14821 PR tree-optimization/98455
14822 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
14823 Record also virtual PHIs.
14824 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
14827 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
14829 * doc/invoke.texi (C++ Modules): Fix typos.
14831 2021-01-13 Richard Biener <rguenther@suse.de>
14833 PR tree-optimization/98640
14834 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
14835 handle plus or minus from a truncated operand to be
14838 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14841 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
14842 define_insn_and_split patterns.
14843 (splitter after *btr<mode>_2): New splitter.
14845 2021-01-13 Martin Liska <mliska@suse.cz>
14848 * cgraphunit.c (analyze_functions): Remove dead code.
14850 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
14852 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
14853 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
14854 (a64fx_regmove_cost, a64fx_vector_cost): New.
14855 (a64fx_tunings): Use the new added cost tables.
14857 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14860 * config/i386/predicates.md (pmovzx_parallel): New predicate.
14861 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
14862 define_insn_and_split pattern.
14863 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
14864 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
14866 2021-01-13 Julian Brown <julian@codesourcery.com>
14868 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
14869 to fix v0 register.
14871 2021-01-13 Julian Brown <julian@codesourcery.com>
14873 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
14876 2021-01-13 Julian Brown <julian@codesourcery.com>
14878 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
14879 for reciprocal-approximation instructions.
14880 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
14881 refinement and division result.
14882 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
14884 2021-01-13 Julian Brown <julian@codesourcery.com>
14886 * config/gcn/gcn-valu.md (subdf): Rename to...
14889 2021-01-12 Martin Liska <mliska@suse.cz>
14891 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
14893 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
14895 * function-abi.h: Fix typo.
14897 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
14901 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
14902 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
14903 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
14904 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
14905 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
14906 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
14907 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
14908 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
14909 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
14910 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
14911 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
14912 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
14913 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
14914 (ARM_HAVE_V2DI_LDST): Likewise.
14915 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
14916 (*movmisalign<mode>_mve_load): New pattern.
14917 * config/arm/neon.md (movmisalign<mode>): Move to ...
14918 * config/arm/vec-common.md: ... here.
14920 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
14923 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
14924 of pattern 'plus (plus (hard reg, const), pseudo)'.
14926 2021-01-12 Richard Biener <rguenther@suse.de>
14928 PR tree-optimization/98550
14929 * tree-vect-slp.c (vect_record_max_nunits): Check whether
14930 the group size is a multiple of the vector element count.
14931 (vect_build_slp_tree_1): When we need to fail because
14932 the vector type choosen causes unrolling do so lazily
14933 without affecting matches only at the end to guide group splitting.
14935 2021-01-12 Martin Liska <mliska@suse.cz>
14938 * optc-save-gen.awk: Compare also n_target_save vars with
14941 2021-01-12 Martin Liska <mliska@suse.cz>
14943 * gcov.c (source_info::debug): New.
14944 (print_usage): Add --debug (-D) option.
14945 (process_args): Likewise.
14946 (generate_results): Call src->debug after
14947 accumulate_line_counts.
14948 (read_graph_file): Properly assign id for EXIT_BLOCK.
14949 * profile.c (branch_prob): Dump function body before it is
14952 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14954 PR tree-optimization/98629
14955 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
14956 unless returning non-zero.
14958 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14960 PR tree-optimization/95731
14961 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
14962 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
14963 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
14964 only after optimize_range_tests_var_bound.
14966 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14968 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
14969 * configure: Regenerated.
14971 2021-01-12 liuhongt <hongtao.liu@intel.com>
14974 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
14976 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
14979 2021-01-12 Alexandre Oliva <oliva@adacore.com>
14981 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
14983 (auto_end_imm_use_stmt_traverse): New struct.
14984 (FOR_EACH_IMM_USE_STMT): Use it.
14985 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
14987 * gimple-ssa-strength-reduction.c: ... here, ...
14988 * graphite-scop-detection.c: ... here, ...
14989 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
14990 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
14991 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
14992 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
14993 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
14994 * tree-vect-slp.c: ... and here, ...
14995 * doc/tree-ssa.texi: ... and the example here.
14997 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14999 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
15000 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
15001 (*sdiv_pow2<mode>3): New pattern.
15002 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
15003 Wrap the ASRD in an UNSPEC_PRED_X.
15004 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
15005 predicate with a constant PTRUE, if it isn't already.
15006 (*cond_<sve_int_op><mode>_z): Replace with...
15007 (*cond_<sve_int_op><mode>_any): ...this new pattern.
15009 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15011 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
15012 SVE_FULL_I to SVE_I.
15013 (*cond_bic<mode>_any): Likewise.
15015 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15017 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
15018 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
15021 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15023 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
15024 SVE_FULL_I to SVE_I.
15025 (*aarch64_cond_<su>abd<mode>_2): Likewise.
15026 (*aarch64_cond_<su>abd<mode>_any): Likewise.
15027 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
15028 for the max and min but not for the minus.
15029 (*aarch64_cond_<su>abd<mode>_3): New pattern.
15031 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15033 * config/aarch64/iterators.md (SVE_24I): New iterator.
15034 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
15035 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
15037 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15039 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
15040 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
15042 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
15043 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
15044 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
15045 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
15047 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15049 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
15050 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
15051 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
15054 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
15056 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
15057 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
15058 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
15060 2021-01-11 Martin Liska <mliska@suse.cz>
15063 * symtab-clones.h (clone_info::release): Release
15064 symtab::m_clones with ggc_delete as it's a GGC memory.
15066 2021-01-11 Matthias Klose <doko@ubuntu.com>
15068 * Makefile.in (LINK_PROGRESS): Show the link target.
15070 2021-01-11 Richard Biener <rguenther@suse.de>
15072 PR tree-optimization/91403
15073 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
15074 single-element interleaving group size at 4096 elements.
15076 2021-01-11 Richard Biener <rguenther@suse.de>
15078 PR tree-optimization/98526
15079 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
15080 of the actual reduction op for the regular case.
15081 (vectorizable_reduction): Cost the stmts
15082 vect_transform_reduction produces here.
15084 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
15086 * tree-ssa-forwprop.c (simplify_vector_constructor): For
15087 big-endian, use UNPACK[_FLOAT]_HI.
15089 2021-01-11 Tamar Christina <tamar.christina@arm.com>
15091 * tree-vect-slp-patterns.c (class complex_pattern,
15092 class complex_add_pattern): Add parameters to matches.
15093 (complex_add_pattern::build): Free memory.
15094 (complex_add_pattern::matches): Move validation end of match.
15095 (complex_add_pattern::recognize): Likewise.
15097 2021-01-11 Tamar Christina <tamar.christina@arm.com>
15099 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
15101 2021-01-11 Tamar Christina <tamar.christina@arm.com>
15103 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
15105 2021-01-11 Jakub Jelinek <jakub@redhat.com>
15107 PR tree-optimization/95867
15108 * tree-ssa-math-opts.h: New header.
15109 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
15110 (powi_as_mults): No longer static. Use build_one_cst instead of
15111 build_real. Formatting fix.
15112 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
15113 (attempt_builtin_powi): Handle multiplication reassociation without
15114 powi_fndecl using powi_as_mults.
15115 (reassociate_bb): For integral types don't require
15116 -funsafe-math-optimizations to call attempt_builtin_powi.
15118 2021-01-11 Jakub Jelinek <jakub@redhat.com>
15120 PR tree-optimization/95852
15121 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
15122 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
15123 allow in the bb any of the stmts in that vector, div_stmt and
15124 up to 3 cast stmts.
15125 (arith_cast_equal_p): New function.
15126 (arith_overflow_check_p): Add cast_stmt argument, handle signed
15127 multiply overflow checks.
15128 (match_arith_overflow): Adjust caller. Handle signed multiply
15131 2021-01-11 Jakub Jelinek <jakub@redhat.com>
15133 PR tree-optimization/95852
15134 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
15135 (uaddsub_overflow_check_p): Renamed to ...
15136 (arith_overflow_check_p): ... this. Handle also multiplication
15137 with overflow check.
15138 (match_uaddsub_overflow): Renamed to ...
15139 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
15140 also multiplication with overflow check. Adjust function comment.
15141 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
15142 match_arith_overflow also for MULT_EXPR.
15144 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15146 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
15147 __builtin_convertvector.
15148 (vmovl_s16): Likewise.
15149 (vmovl_s32): Likewise.
15150 (vmovl_u8): Likewise.
15151 (vmovl_u16): Likewise.
15152 (vmovl_u32): Likewise.
15153 (vmovn_s16): Likewise.
15154 (vmovn_s32): Likewise.
15155 (vmovn_s64): Likewise.
15156 (vmovn_u16): Likewise.
15157 (vmovn_u32): Likewise.
15158 (vmovn_u64): Likewise.
15160 2021-01-11 Martin Liska <mliska@suse.cz>
15162 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
15163 (if_chain::is_beneficial): Delete clusters
15164 (find_conditions): Make second argument of conditions_in_bbs a
15165 pointer so that we control over it's lifetime.
15166 (pass_if_to_switch::execute): Delete them.
15168 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
15170 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
15173 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
15175 * config/vax/vax.md (cc): Remove mode attribute.
15176 (subst_<cc>, subst_f<cc>): Rename to...
15177 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
15178 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
15179 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
15180 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
15182 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
15184 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
15185 `const_double_zero'.
15187 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
15189 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
15190 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
15193 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
15195 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
15197 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
15198 with `const_double_zero'.
15199 * doc/rtl.texi (Constant Expression Types): Document it.
15201 2021-01-09 Jakub Jelinek <jakub@redhat.com>
15204 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
15205 POINTER_DIFF_EXPR to be any integral type.
15207 2021-01-09 Jakub Jelinek <jakub@redhat.com>
15209 PR rtl-optimization/98603
15210 * function.c (instantiate_virtual_regs_in_insn): For asm goto
15211 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
15212 if any, set ASM_OPERANDS mode to VOIDmode and change
15213 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
15215 2021-01-09 Alexandre Oliva <oliva@gnu.org>
15218 * final.c (notice_source_line): Narrow down the condition to
15219 skip a line-0 marker.
15221 2021-01-08 Sergei Trofimovich <siarheit@google.com>
15223 * ipa-modref.c (merge_call_side_effects): Fix
15224 linebreak split by reordering two print calls.
15226 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
15228 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
15229 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
15230 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
15231 consistency, fix constraint.
15233 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
15235 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
15236 callables instead of mask values.
15237 (struct target_flag_set_p): New predicate.
15238 (s390_cpu_cpp_builtins_internal): Define or undefine
15239 __LONG_DOUBLE_VX__ macro.
15241 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
15244 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
15245 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
15248 2021-01-08 Richard Biener <rguenther@suse.de>
15250 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
15252 2021-01-08 Richard Biener <rguenther@suse.de>
15254 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
15255 (vect_build_slp_tree): On cache hit release the matched
15256 scalar stmts vector.
15257 * tree-vect-stmts.c (vectorizable_store): Properly free
15258 vec_oprnds before possibly gathering them again.
15260 2021-01-08 Richard Biener <rguenther@suse.de>
15262 PR tree-optimization/98544
15263 * tree-vect-slp.c (vect_optimize_slp): Always materialize
15264 permutes at a permute node.
15266 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
15269 * config/i386/i386.c (x86_function_profiler): Use R10 to call
15270 mcount in large model. Sorry for large model with PIC.
15272 2021-01-08 Jakub Jelinek <jakub@redhat.com>
15275 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
15276 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
15277 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
15278 TargetSave and initialize for variables with enum types.
15279 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
15280 mstack-protector-guard-symbol=): Add Save.
15281 * config/i386/i386-options.c (ix86_function_specific_save,
15282 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
15283 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
15284 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
15285 x_ix86_veclibabi_type.
15287 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
15289 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
15290 SVE_FULL_I to SVE_I.
15291 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
15293 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
15295 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
15296 SVE_FULL_I to SVE_I.
15297 (*cond_uxt<mode>_any): Likewise.
15299 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15301 * config/aarch64/iterators.md (Vwhalf): New iterator.
15302 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
15304 (aarch64_<sur>adalp<mode>): ... This. Make more
15306 (<sur>sadv16qi): Adjust callsite of the above.
15307 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
15309 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
15311 (vpadal_s16): Likewise.
15312 (vpadal_u8): Likewise.
15313 (vpadal_u16): Likewise.
15314 (vpadalq_s8): Likewise.
15315 (vpadalq_s16): Likewise.
15316 (vpadalq_s32): Likewise.
15317 (vpadalq_u8): Likewise.
15318 (vpadalq_u16): Likewise.
15319 (vpadalq_u32): Likewise.
15321 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15323 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
15325 (aarch64_<su>abd<mode>): ... This.
15326 (<sur>sadv16qi): Adjust callsite of the above.
15327 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
15329 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
15331 (vabd_s16): Likewise.
15332 (vabd_s32): Likewise.
15333 (vabd_u8): Likewise.
15334 (vabd_u16): Likewise.
15335 (vabd_u32): Likewise.
15336 (vabdq_s8): Likewise.
15337 (vabdq_s16): Likewise.
15338 (vabdq_s32): Likewise.
15339 (vabdq_u8): Likewise.
15340 (vabdq_u16): Likewise.
15341 (vabdq_u32): Likewise.
15343 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15345 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
15347 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
15348 (vaba_s16): Likewise.
15349 (vaba_s32): Likewise.
15350 (vaba_u8): Likewise.
15351 (vaba_u16): Likewise.
15352 (vaba_u32): Likewise.
15353 (vabaq_s8): Likewise.
15354 (vabaq_s16): Likewise.
15355 (vabaq_s32): Likewise.
15356 (vabaq_u8): Likewise.
15357 (vabaq_u16): Likewise.
15358 (vabaq_u32): Likewise.
15360 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15362 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
15363 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
15364 Change RTL pattern to match.
15366 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
15368 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
15369 * config/riscv/riscv-c.c (riscv-subset.h): New.
15370 (INCLUDE_STRING): Define.
15371 (riscv_cpu_cpp_builtins): Add new style architecture extension
15373 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
15374 (riscv_subset_list::end): New.
15375 (riscv_current_subset_list): New.
15377 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
15379 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
15380 Move to riscv-subset.h.
15381 (struct riscv_subset_t): Ditto.
15382 (class riscv_subset_list): Ditto.
15383 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
15384 from riscv-common.c.
15385 (struct riscv_subset_t): Ditto.
15386 (class riscv_subset_list): Ditto.
15387 * config/riscv/t-riscv ($(common_out_file)): Add file
15390 2021-01-07 Jakub Jelinek <jakub@redhat.com>
15393 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
15394 New define_insn patterns.
15396 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15398 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
15399 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
15400 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
15402 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15404 PR tree-optimization/98560
15405 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
15406 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
15408 (vec_cond_direct): Likewise argument 2.
15409 (vec_condu_direct, vec_condeq_direct): Delete.
15410 (expand_vect_cond_optab_fn): Rename to...
15411 (expand_vec_cond_optab_fn): ...this, replacing old macro.
15412 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
15413 (expand_vect_cond_mask_optab_fn): Rename to...
15414 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
15415 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
15417 (direct_vec_cond_optab_supported_p): Likewise.
15418 (direct_vec_condu_optab_supported_p): Delete.
15419 (direct_vec_condeq_optab_supported_p): Delete.
15420 * gimple-isel.cc: Include internal-fn.h.
15421 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
15424 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15426 PR tree-optimization/98560
15427 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
15428 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
15430 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
15432 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
15433 rotate_insn and optab code attributes.
15434 Update all uses to merged code attribute.
15435 * config/i386/sse.md: Update all uses to merged code attribute.
15436 * config/i386/mmx.md: Update all uses to merged code attribute.
15438 2021-01-07 Jakub Jelinek <jakub@redhat.com>
15440 PR tree-optimization/98568
15441 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
15442 (bswap_replace): Use it.
15444 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
15446 PR rtl-optimization/97978
15447 * lra-int.h (lra_hard_reg_split_p): New external.
15448 * lra.c (lra_hard_reg_split_p): New global.
15449 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
15450 * lra-assigns.c (lra_assign): Don't check allocation correctness
15451 after hard reg splitting.
15453 2021-01-06 Martin Sebor <msebor@redhat.com>
15456 * builtins.c (new_delete_mismatch_p): New overload.
15457 (new_delete_mismatch_p (tree, tree)): Call it.
15459 2021-01-06 Alexandre Oliva <oliva@adacore.com>
15461 * Makefile.in (T_GLIMITS_H): New.
15462 (stmp-int-hdrs): Depend on it, use it.
15463 * config/t-vxworks (T_GLIMITS_H): Override it.
15464 (vxw-glimits.h): New.
15466 2021-01-06 Richard Biener <rguenther@suse.de>
15468 PR tree-optimization/98513
15469 * value-range.cc (intersect_ranges): Compare the upper bounds
15470 for the expected relation.
15472 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
15475 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
15477 * doc/standards.texi (HSAIL): Remove section.
15479 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
15481 * configure: Re-generate.
15483 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15485 * doc/invoke.texi (-std=c++20): Adjust for the publication of
15486 ISO 14882:2020 standard.
15487 * doc/standards.texi: Likewise.
15489 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15491 PR tree-optimization/94802
15492 * expr.h (maybe_optimize_sub_cmp_0): Declare.
15493 * expr.c: Include tree-pretty-print.h and flags.h.
15494 (maybe_optimize_sub_cmp_0): New function.
15495 (do_store_flag): Use it.
15496 * cfgexpand.c (expand_gimple_cond): Likewise.
15498 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15500 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
15501 * rtlanal.c (simple_regno_set): Tweak description to clarify the
15504 2021-01-05 Richard Biener <rguenther@suse.de>
15506 PR tree-optimization/98516
15507 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
15508 lanes when materializing on a VEC_PERM node.
15509 (vectorizable_slp_permutation): Dump the permute properly.
15511 2021-01-05 Richard Biener <rguenther@suse.de>
15513 * tree-vect-slp.c (vect_slp_region): Move debug counter
15514 to cover individual subgraphs.
15516 2021-01-05 Richard Biener <rguenther@suse.de>
15518 PR tree-optimization/98428
15519 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
15520 vector lane extracts for loop vectorization.
15522 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15524 PR tree-optimization/98514
15525 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
15527 (operand_rank): Change type from hash_map<tree, long> to
15528 hash_map<tree, int64_t>.
15529 (phi_rank): Change return type from long to int64_t.
15530 (loop_carried_phi): Change block_rank variable type from long to
15532 (propagate_rank): Change return type, rank parameter type and
15533 op_rank variable type from long to int64_t.
15534 (find_operand_rank): Change return type from long to int64_t
15535 and change slot variable type from long * to int64_t *.
15536 (insert_operand_rank): Change rank parameter type from long to
15538 (get_rank): Change return type and rank variable type from long to
15539 int64_t. Use PRId64 instead of ld to print the rank.
15540 (init_reassoc): Change rank variable type from long to int64_t
15541 and adjust correspondingly bb_rank and operand_rank initialization.
15543 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15545 PR tree-optimization/96928
15546 * tree-ssa-phiopt.c (xor_replacement): New function.
15547 (tree_ssa_phiopt_worker): Call it.
15549 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15551 PR tree-optimization/96930
15552 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
15553 from narrower value which has the same type as 1 << B, perform
15554 the right shift on the narrower value followed by extension.
15556 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15558 PR tree-optimization/96239
15559 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
15561 (get_status_for_store_merging): Don't return BB_INVALID for blocks
15562 with potential bswap optimizable CONSTRUCTORs.
15563 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
15566 2021-01-05 Richard Biener <rguenther@suse.de>
15568 PR tree-optimization/98381
15569 * tree.c (vector_element_bits): Properly compute bool vector
15571 * tree-vect-loop.c (vectorizable_live_operation): Properly
15572 compute the last lane bit offset.
15574 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
15577 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
15578 Clear the top 64 bytes of the input XMM register.
15579 (sse_cvttps2pi): Ditto.
15581 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
15584 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
15586 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
15589 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
15592 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
15594 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
15595 (umaddsidi4_split): Likewise.
15597 2021-01-05 liuhongt <hongtao.liu@intel.com>
15600 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
15601 define_insn_and_split for zero_extend of subreg HI of pmovskb
15603 (*sse2_pmovskb_zexthisi): Add new combine splitters for
15604 zero_extend of not of subreg HI of pmovskb result.
15606 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15609 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
15611 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
15612 convert_memory_address to convert symbolic immediates to ptr_mode
15613 before forcing them to memory.
15615 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15617 PR rtl-optimization/97144
15618 * recog.c (constrain_operands): Initialize matching_operand
15619 for each alternative, rather than only doing it once.
15621 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15623 PR rtl-optimization/98403
15624 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
15625 why we don't remove call clobbers.
15626 (function_info::apply_changes_to_insn): Don't attempt to add
15627 call clobbers here.
15629 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15631 PR tree-optimization/98371
15632 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
15633 (vect_analyze_loop): If an epilogue loop appears to be cheaper
15634 than the main loop, re-analyze it as a main loop before adopting
15637 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
15640 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
15641 * aclocal.m4, configure: Regenerate.
15642 * Makefile.in (NETLIBS): Define.
15643 (BACKEND): Remove $(CODYLIB).
15645 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15647 PR rtl-optimization/98334
15648 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
15649 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
15651 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
15653 * tree-inline.c (expand_call_inline): Restore input_location.
15654 Return result from recursive call.
15656 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15658 PR tree-optimization/95401
15659 * config/aarch64/aarch64-sve-builtins.cc
15660 (gimple_folder::load_store_cookie): Use bits rather than bytes
15661 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
15662 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
15663 * tree-vect-stmts.c (vectorizable_store): Likewise.
15664 (vectorizable_load): Likewise.
15666 2021-01-04 Richard Biener <rguenther@suse.de>
15668 PR tree-optimization/98308
15669 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
15672 2021-01-04 Jakub Jelinek <jakub@redhat.com>
15674 PR tree-optimization/95771
15675 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
15676 with precision smaller than int's precision and types with precision
15677 twice as large as long long. Formatting fixes.
15679 2021-01-04 Richard Biener <rguenther@suse.de>
15681 PR tree-optimization/98464
15682 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
15683 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
15684 (process_bb): Adjust.
15686 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
15689 * doc/invoke.texi (-fsanitize=address): Fix wording describing
15690 clash with -fsanitize=hwaddress.
15692 2021-01-04 Richard Biener <rguenther@suse.de>
15694 PR tree-optimization/98282
15695 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
15696 invariants as VN_NARY.
15698 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15701 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
15702 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
15703 to handle zero operands.
15705 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15707 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
15708 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
15709 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
15712 2021-01-04 Richard Biener <rguenther@suse.de>
15714 PR tree-optimization/98393
15715 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
15716 when hitting the limit.
15718 2021-01-04 Richard Biener <rguenther@suse.de>
15720 PR tree-optimization/98291
15721 * tree-vect-loop.c (vectorizable_reduction): Bypass
15722 associativity check for SLP reductions with VF 1.
15724 2021-01-04 Jakub Jelinek <jakub@redhat.com>
15726 PR tree-optimization/96782
15727 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
15729 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
15731 * collect-utils.c (collect_execute): Check dumppfx.
15732 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
15733 to collect_execute.
15734 (do_link): Add new parameter atsuffix.
15735 (main): Handle -dumpdir option. Skip one argument for
15736 -o, -isystem and -B options.
15737 * gcc.c (make_at_file): New helper function.
15738 (close_at_file): Use it.
15740 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15742 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
15743 Amend handling for LD64_VERSION fallback defaults.
15745 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15747 * config.gcc: Compute default version information
15748 from the configured target. Likewise defaults for
15750 * config/darwin10.h: Removed.
15751 * config/darwin12.h: Removed.
15752 * config/darwin9.h: Removed.
15753 * config/rs6000/darwin8.h: Removed.
15755 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15757 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
15759 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15761 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
15762 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
15764 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15766 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
15768 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
15770 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15772 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
15773 for the Darwin10 unwinder stub from here ...
15774 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
15776 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15778 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
15779 (ASM_DEBUG_SPEC):Only define if the assembler supports
15781 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
15782 (DARWIN_PREFER_DWARF): Define.
15783 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
15784 (DARWIN_PREFER_DWARF): Likewise
15785 (DSYMUTIL_SPEC): Likewise.
15786 (COLLECT_RUN_DSYMUTIL): Likewise.
15787 (ASM_DEBUG_SPEC): Likewise.
15788 (ASM_DEBUG_OPTION_SPEC): Likewise.
15790 2021-01-02 Jan Hubicka <jh@suse.cz>
15792 * cfg.c (free_block): ggc_free bb.
15794 2021-01-01 Jakub Jelinek <jakub@redhat.com>
15796 * gcc.c (process_command): Update copyright notice dates.
15797 * gcov-dump.c (print_version): Ditto.
15798 * gcov.c (print_version): Ditto.
15799 * gcov-tool.c (print_version): Ditto.
15800 * gengtype.c (create_file): Ditto.
15801 * doc/cpp.texi: Bump @copying's copyright year.
15802 * doc/cppinternals.texi: Ditto.
15803 * doc/gcc.texi: Ditto.
15804 * doc/gccint.texi: Ditto.
15805 * doc/gcov.texi: Ditto.
15806 * doc/install.texi: Ditto.
15807 * doc/invoke.texi: Ditto.
15809 2021-01-01 Jakub Jelinek <jakub@redhat.com>
15811 * ChangeLog-2020: Rotate ChangeLog. New file.
15814 Copyright (C) 2021 Free Software Foundation, Inc.
15816 Copying and distribution of this file, with or without modification,
15817 are permitted in any medium without royalty provided the copyright
15818 notice and this notice are preserved.