1 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
4 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
5 (VALID_INT_MODE_P): Add SDmode and DDmode.
6 Add TDmode for TARGET_64BIT.
7 (VALID_DFP_MODE_P): Remove.
8 * config/i386/i386.c (ix86_hard_regno_mode_ok):
9 Do not use VALID_DFP_MODE_P.
11 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
13 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
15 (fold_using_range::fold_stmt): Ditto.
16 (fold_using_range::range_of_range_op): Ditto.
17 (fold_using_range::range_of_phi): Ditto.
18 (fold_using_range::range_of_call): Ditto.
19 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
20 (fold_using_range::range_of_builtin_call): Ditto.
21 (fold_using_range::range_of_cond_expr): Ditto.
22 * gimple-range-fold.h (gimple_range_type): New.
24 2021-07-15 Martin Sebor <msebor@redhat.com>
27 * tree-ssa-strlen.c (handle_assign): New function.
28 (maybe_warn_overflow): Add argument.
29 (nonzero_bytes_for_type): New function.
30 (count_nonzero_bytes): Handle more tree types. Call
31 nonzero_bytes_for_tye.
32 (count_nonzero_bytes): Handle types.
33 (handle_store): Handle stores from function calls.
34 (strlen_check_and_optimize_call): Move code to handle_assign. Call
35 it for assignments from function calls.
37 2021-07-15 David Malcolm <dmalcolm@redhat.com>
42 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
44 2021-07-15 David Malcolm <dmalcolm@redhat.com>
46 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
48 2021-07-15 Martin Sebor <msebor@redhat.com>
52 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
53 (operand_compare::verify_hash_value): Same.
54 * tree-core.h (OEP_DECL_NAME): New.
56 2021-07-15 Martin Jambor <mjambor@suse.cz>
58 * profile-count.h (profile_count::value): Change the return type to
60 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
62 * tree-cfg.c (dump_function_to_file): Likewise.
64 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
67 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
68 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
71 2021-07-15 Richard Biener <rguenther@suse.de>
73 * tree-vectorizer.h (vect_gen_while): Match up with
75 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
76 of vect_gen_while_not.
77 (vect_gen_while_not): Adjust.
78 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
80 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
82 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
83 (ranger_cache::range_of_def): Call adjust_range.
84 (ranger_cache::entry_range): Same.
85 * gimple-range-cache.h (non_null_ref::adjust_range): New.
86 * gimple-range.cc (gimple_ranger::range_of_expr): Call
88 (gimple_ranger::range_on_entry): Same.
90 2021-07-15 Tamar Christina <tamar.christina@arm.com>
93 2021-07-14 Tamar Christina <tamar.christina@arm.com>
95 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
97 2021-07-15 Tamar Christina <tamar.christina@arm.com>
100 2021-07-14 Tamar Christina <tamar.christina@arm.com>
102 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
103 (sdot_prod, udot_prod): ...These.
104 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
105 (aarch64_<sur>dot<vsi2qi>): Rename to...
106 (<sur>dot_prod<vsi2qi>): ...This.
107 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
110 2021-07-15 Jakub Jelinek <jakub@redhat.com>
113 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
114 types even if they have non-BLKmode TYPE_MODE.
116 2021-07-15 Richard Biener <rguenther@suse.de>
119 * gcc.c (process_command): Process -gtoggle like process_options
120 would after parsing options.
122 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
124 * cfgexpand.c (expand_asm_loc): Adjust.
125 (expand_asm_stmt): Likewise.
126 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
127 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
128 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
129 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
130 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
131 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
132 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
133 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
134 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
135 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
136 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
137 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
138 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
139 * doc/tm.texi: Regenerate.
140 * target.def: Add location argument to md_asm_adjust.
142 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
144 * tree-diagnostic.c (diagnostic_report_current_function): Use the
145 diagnostic's location, not input_location.
147 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
149 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
151 (expand_asm_stmt): Likewise.
153 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
155 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
156 addressed memory rtx, if any.
157 (rs6000_split_multireg_move): Fix code formatting.
158 Handle MMA build built-ins with operands in adjacent memory locations.
160 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
162 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
165 2021-07-14 Jason Merrill <jason@redhat.com>
167 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
169 2021-07-14 Jason Merrill <jason@redhat.com>
171 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
174 2021-07-14 Tamar Christina <tamar.christina@arm.com>
176 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
177 Remove erroneous line.
179 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
181 * params.opt (param_evrp_mode): Change default.
183 2021-07-14 Tamar Christina <tamar.christina@arm.com>
185 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
186 (sdot_prod, udot_prod): ...These.
187 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
188 (aarch64_<sur>dot<vsi2qi>): Rename to...
189 (<sur>dot_prod<vsi2qi>): ...This.
190 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
193 2021-07-14 Tamar Christina <tamar.christina@arm.com>
195 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
197 2021-07-14 Tamar Christina <tamar.christina@arm.com>
199 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
201 2021-07-14 Tamar Christina <tamar.christina@arm.com>
203 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
205 2021-07-14 Tamar Christina <tamar.christina@arm.com>
207 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
208 (usdot_prod<vsi2qi>): ... This.
209 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
210 (usdot_prod): ...This.
211 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
212 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
214 (@<sur>dot_prod<vsi2qi>): ...This.
215 * config/aarch64/aarch64-sve-builtins-base.cc
216 (svusdot_impl::expand): Use it.
218 2021-07-14 Tamar Christina <tamar.christina@arm.com>
220 * optabs.def (usdot_prod_optab): New.
221 * doc/md.texi: Document it and clarify other dot prod optabs.
222 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
223 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
224 * optabs.c (expand_widen_pattern_expr): Likewise.
225 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
226 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
227 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
229 (vect_widened_op_tree): Optionally ignore
231 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
233 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
236 * config/i386/driver-i386.c (host_detect_local_cpu): Check
237 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
238 Enable UINTR only for 64-bit codegen.
239 * config/i386/i386-options.c
240 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
242 * config/i386/i386.h (ARCH_ARG): New.
243 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
244 "[arch|tune] 64" for 64-bit codegen.
246 2021-07-14 Richard Biener <rguenther@suse.de>
248 PR tree-optimization/101445
249 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
250 of the IV in the correct direction for negative stride
253 2021-07-14 Jakub Jelinek <jakub@redhat.com>
256 * godump.c (godump_str_hash): New type.
257 (godump_container::pot_dummy_types): Use string_hash instead of
258 ptr_hash in the hash_set.
260 2021-07-14 Richard Biener <rguenther@suse.de>
262 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
263 vector types where the old vector type has a multiple of
264 the new vector type elements.
265 (vect_create_partial_epilog): New function, split out from...
266 (vect_create_epilog_for_reduction): ... here.
267 (vect_transform_cycle_phi): Reduce the re-used accumulator
268 to the new vector type.
270 2021-07-14 Alexandre Oliva <oliva@adacore.com>
272 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
273 non-'t'-sized arg check.
275 2021-07-14 Alexandre Oliva <oliva@adacore.com>
277 * tree-cfg.c (cleanup_dead_labels_eh): Update
278 post_landing_pad label upon change of landing pad block's
280 (cleanup_dead_labels): Check that a removed label is not that
283 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
285 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
287 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
288 Add Neon to general purpose register case for zero-extend
290 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
291 case to prevent some cases opting to go through memory.
292 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
293 * rtl.c (rtvec_series_p): Define predicate to determine
294 whether a vector contains a linear series of integers.
295 * rtl.h (rtvec_series_p): Define.
296 * rtlanal.c (vec_series_lowpart_p): Define predicate to
297 determine if a vector selection is equivalent to the low part
299 * rtlanal.h (vec_series_lowpart_p): Define.
300 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
301 Add vec_select -> subreg simplification.
303 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
305 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
306 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
307 _mm_test_mix_ones_zeros): New.
309 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
310 Richard Biener <rguenther@suse.de>
312 * gimple.c (gimple_could_trap_p_1): Make S argument a
313 "const gimple*". Preserve constness in call to
314 gimple_asm_volatile_p.
315 (gimple_could_trap_p): Make S argument a "const gimple*".
316 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
317 Update function prototypes.
319 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
321 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
322 (_loop_vec_info::main_loop_edge): New field.
323 (_loop_vec_info::skip_main_loop_edge): Likewise.
324 (_loop_vec_info::skip_this_loop_edge): Likewise.
325 (_loop_vec_info::reusable_accumulators): Likewise.
326 (_stmt_vec_info::reduc_scalar_results): Likewise.
327 (_stmt_vec_info::reused_accumulator): Likewise.
328 (vect_get_main_loop_result): Declare.
329 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
331 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
332 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
333 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
334 skip_main_loop_edge and skip_this_loop_edge fields.
335 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
336 (vect_emit_reduction_init_stmts): New function.
337 (get_initial_def_for_reduction): Use it.
338 (get_initial_defs_for_reduction): Likewise. Change the vinfo
339 parameter to a loop_vec_info.
340 (vect_create_epilog_for_reduction): Store the scalar results
341 in the reduc_info. If an epilogue loop is reusing an accumulator
342 from the main loop, and if the epilogue loop can also be skipped,
343 try to place the reduction code in the join block. Record
344 accumulators that could potentially be reused by epilogue loops.
345 (vect_transform_cycle_phi): When vectorizing epilogue loops,
346 try to reuse accumulators from the main loop. Record the initial
347 value in reduc_info for non-SLP reductions too.
349 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
351 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
352 adjustment handling. Take the neutral value as an argument,
353 in place of the code argument.
354 (vect_transform_cycle_phi): Update accordingly. Handle the
355 initial values of cond reductions separately from code reductions.
356 Choose the adjustment here rather than in
357 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
359 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
361 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
362 (neutral_op_for_reduction): ...this, providing a more general
364 (vect_create_epilog_for_reduction): Update accordingly.
365 (vectorizable_reduction): Likewise.
366 (vect_transform_cycle_phi): Likewise.
368 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
370 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
371 reduc_info instead of the original stmt_vec_info.
372 (vect_transform_cycle_phi): Update accordingly.
374 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
376 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
377 reduc_info as an additional parameter.
378 (vect_transform_cycle_phi): Update accordingly.
380 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
382 * tree-vectorizer.h: Include tree-ssa-operands.h.
383 (vect_phi_initial_value): New function.
384 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
385 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
386 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
387 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
389 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
391 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
392 the phi results to vectype after creating them. Remove later
393 conversion code that thus becomes redundant.
395 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
397 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
398 the new_phis vector with a reduc_inputs vector. Combine handling
399 of reduction chains and ncopies > 1.
401 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
403 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
404 scalar_results to group_size elements after reducing down from
405 N*group_size elements. Construct an array_slice of the live-out
406 stmts and assert that there is one stmt per scalar result.
408 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
410 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
411 nested_in_vect_loop and use double_reduc everywhere. Remove dead
412 assignment to "loop".
414 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
416 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
417 vector types first. For scalar types, consider both the preferred
418 vector mode and the alternative vector modes.
419 * optabs-query.c (can_vec_mask_load_store_p): Use the same
420 structure as above, in particular using related_vector_mode
421 for modes provided by autovectorize_vector_modes.
423 2021-07-13 Jakub Jelinek <jakub@redhat.com>
424 Richard Biener <rguenther@suse.de>
426 PR tree-optimization/101419
427 * tree-pass.h (PROP_objsz): Define.
428 (make_pass_early_object_sizes): Declare.
429 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
430 there to pass_early_object_sizes, drop parameter.
431 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
432 drop parameter, move pass_post_ipa_warn right after that.
433 * tree-object-size.c (pass_object_sizes::execute): Rename to...
434 (object_sizes_execute): ... this. Add insert_min_max_p argument.
435 (pass_data_object_sizes): Move after object_sizes_execute.
436 (pass_object_sizes): Likewise. In execute method call
437 object_sizes_execute, drop set_pass_param method and insert_min_max_p
438 non-static data member and its initializer in the ctor.
439 (pass_data_early_object_sizes, pass_early_object_sizes,
440 make_pass_early_object_sizes): New.
441 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
442 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
444 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
447 * config/riscv/constraints.md ("S"): Update description and remove
449 * doc/md.texi (Machine Constraints): Document the 'S' constraints
452 2021-07-13 Richard Biener <rguenther@suse.de>
455 2021-07-12 Richard Biener <rguenther@suse.de>
457 * tree-vect-slp.c (vect_slp_region): Show the number of
458 SLP graph entries in the optimization message.
460 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
462 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
464 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
466 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
469 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
471 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
472 Query relation between the 2 operands and use it.
474 2021-07-12 Sergei Trofimovich <siarheit@google.com>
476 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
478 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
481 * config/i386/predicates.md (vec_setm_sse41_operand):
482 Rename from vec_setm_operand.
483 (vec_setm_avx2_operand): New predicate.
484 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
485 Use vec_setm_sse41_operand as operand 2 predicate.
486 (vec_set<V_256_512:mode): New expander.
487 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
488 as operand 2 predicate.
490 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
492 PR tree-optimization/101335
493 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
495 2021-07-12 Andrew Pinski <apinski@marvell.com>
497 * tree-ssa-phiopt.c (match_simplify_replacement): Move
498 insert of the sequence before the movement of the
499 statement. Check if to see if the statement is used
500 outside of the original phi to see if we should move it.
502 2021-07-12 Richard Biener <rguenther@suse.de>
504 * dump-context.h (debug_dump_context::debug_dump_context):
505 Add FILE * parameter defaulted to stderr.
506 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
507 * tree-vect-slp.c (dot_slp_tree): New functions.
509 2021-07-12 Richard Biener <rguenther@suse.de>
511 PR tree-optimization/101373
512 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
513 references when the BB may not return.
514 (compute_avail): Pass in the function we're working on and
515 replace cfun references with it. Externally throwing
516 const calls also possibly terminate the function.
517 (pass_pre::execute): Pass down the function we're working on.
518 * gcse.c (compute_hash_table_work): Externally throwing
519 const/pure calls also need record_last_mem_set_info.
520 * postreload-gcse.c (record_opr_changes): Looping or externally
521 throwing const/pure calls also need record_last_mem_set_info.
523 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
525 * recog.c (memory_address_addr_space_p): Change the type to bool.
526 Return true/false instead of 1/0.
527 (offsettable_memref_p): Ditto.
528 (offsettable_nonstrict_memref_p): Ditto.
529 (offsettable_address_addr_space_p): Ditto.
530 Change the type of addressp indirect function to bool.
531 * recog.h (memory_address_addr_space_p): Change the type to bool.
532 (strict_memory_address_addr_space_p): Ditto.
533 (offsettable_memref_p): Ditto.
534 (offsettable_nonstrict_memref_p): Ditto.
535 (offsettable_address_addr_space_p): Ditto.
536 * reload.c (maybe_memory_address_addr_space_p): Ditto.
537 (strict_memory_address_addr_space_p): Change the type to bool.
538 Return true/false instead of 1/0.
539 (maybe_memory_address_addr_space_p): Change the type to bool.
541 2021-07-12 Richard Biener <rguenther@suse.de>
543 * tree-vect-slp.c (vect_slp_region): Show the number of
544 SLP graph entries in the optimization message.
546 2021-07-12 Richard Biener <rguenther@suse.de>
548 PR tree-optimization/101394
549 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
550 copies from abnormals for a full redundancy.
552 2021-07-12 Richard Biener <rguenther@suse.de>
555 * gimple.c (gimple_could_trap_p_1): Internal function calls
557 * tree-eh.c (tree_could_trap_p): Likewise.
559 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
562 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
564 (vmulq_n_u32): Likewise.
565 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
566 (vmulq_n_f32): Likewise.
567 (vmul_n_f16): Likewise.
568 (vmulq_n_f16): Likewise.
570 2021-07-12 Martin Liska <mliska@suse.cz>
573 * gcc.c (check_offload_target_name): Call
574 candidates_list_and_hint only if we have a candidate.
576 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
579 * config/arm/neon.md (vec_init): Move to ...
580 * config/arm/vec-common.md (vec_init): ... here.
581 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
583 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
585 PR tree-optimization/101403
586 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
587 signedness of the shift is not the same as the signedness of
590 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
591 Uroš Bizjak <ubizjak@gmail.com>
593 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
594 divmod of a constant numerator with new define_insn_and_split.
596 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
599 * config/i386/i386-expand.c (ix86_expand_call): If a call is
600 to a non-local-binding, or local but to a public symbol, then
601 assume that it might be indirected via the lazy symbol binder.
602 Mark R10 and R10 as clobbered in that case.
604 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
607 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
608 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
609 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
611 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
613 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
614 log2 range of operands[3] to [1,31].
615 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
617 2021-07-09 Sergei Trofimovich <siarheit@google.com>
619 * doc/md.texi: Don't split @smallexample in multiple @groups.
621 2021-07-09 Sergei Trofimovich <siarheit@google.com>
623 * doc/md.texi: Add missing 'see' word.
625 2021-07-09 Andrew Pinski <apinski@marvell.com>
627 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
628 to take sequence and gimple_match_op. Accept the case where
629 op is a SSA_NAME and one statement in the sequence.
630 Also allow constants.
631 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
632 Update call to phiopt_early_allow. Discard the sequence if not
635 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
640 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
641 instead of ISA_HAS_MSA.
642 (mips_expand_vec_unpack): Likewise.
643 (mips_expand_vector_init): Likewise.
645 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
647 * config/rs6000/vsx.md (mods_<mode>): Rename to...
648 (mod<mode>3): ... this.
649 (modu_<mode>): Rename to...
650 (umod<mode>3): ... this.
651 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
654 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
656 * config/h8300/shiftrotate.md (variable shifts): Expose condition
657 code handling for the test before the loop.
659 2021-07-08 Martin Jambor <mjambor@suse.cz>
662 * ipa-sra.c (class isra_call_summary): New member
663 m_before_any_store, initialize it in the constructor.
664 (isra_call_summary::dump): Dump the new field.
665 (ipa_sra_call_summaries::duplicate): Copy it.
666 (process_scan_results): Set it.
667 (isra_write_edge_summary): Stream it.
668 (isra_read_edge_summary): Likewise.
669 (param_splitting_across_edge): Only override
670 safe_to_import_accesses if m_before_any_store is set.
672 2021-07-08 Martin Sebor <msebor@redhat.com>
675 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
676 Use Object Size Type 0 instead of 1.
678 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
680 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
683 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
685 * match.pd: Simplify an extend-operate-truncate sequence involving
688 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
689 Richard Biener <rguenther@suse.de>
691 PR tree-optimization/40210
692 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
693 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
694 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
696 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
699 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
701 * config/i386/mmx.md (V_32): New mode iterator.
702 (mov<V_32:mode>): Use V_32 mode iterator.
703 (*mov<V_32:mode>_internal): Ditto.
704 (*push<V_32:mode>2_rex64): Ditto.
705 (*push<V_32:mode>2): Ditto.
706 (movmisalign<V_32:mode>): Ditto.
707 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
708 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
709 (vec_unpacks_lo_v4qi): New expander.
710 (vec_unpacks_hi_v4qi): Ditto.
711 (vec_unpacku_lo_v4qi): Ditto.
712 (vec_unpacku_hi_v4qi): Ditto.
713 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
714 (VALID_INT_MODE_P): Ditto.
716 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
719 * config/rs6000/rs6000.md (udivti3): New insn.
724 2021-07-07 Martin Sebor <msebor@redhat.com>
726 PR tree-optimization/100137
727 PR tree-optimization/99121
728 PR tree-optimization/97027
729 * builtins.c (access_ref::access_ref): Also set offmax.
730 (access_ref::offset_in_range): Define new function.
731 (access_ref::add_offset): Set offmax.
732 (access_ref::inform_access): Handle access_none.
733 (handle_mem_ref): Clear ostype.
734 (compute_objsize_r): Handle ASSERT_EXPR.
735 * builtins.h (struct access_ref): Add offmax member.
736 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
737 compute_objsize() and simplify.
739 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
741 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
742 and VSX_BUILTIN_STXVP.
744 2021-07-07 Martin Sebor <msebor@redhat.com>
747 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
748 a stray %K from error_at() missed in r12-2088.
750 2021-07-07 Richard Biener <rguenther@suse.de>
752 PR tree-optimization/99728
753 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
755 (mem_refs_may_alias_p): Add assert we handled aggregate
757 (sm_seq_valid_bb): Give up when running into aggregate copies.
758 (ref_indep_loop_p): Handle aggregate copies as never
759 being invariant themselves but allow other refs to be
760 disambiguated against them.
761 (can_sm_ref_p): Do not try to apply store-motion to aggregate
764 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
767 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
770 2021-07-06 Martin Sebor <msebor@redhat.com>
772 * gimple-pretty-print.c (percent_G_format): Remove.
773 * tree-diagnostic.c (default_tree_printer): Remove calls.
774 * tree-pretty-print.c (percent_K_format): Remove.
775 * tree-pretty-print.h (percent_K_format): Remove.
777 2021-07-06 Martin Sebor <msebor@redhat.com>
779 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
780 Remove %K and use error_at.
781 (aarch64_expand_fcmla_builtin): Same.
782 (aarch64_expand_builtin_tme): Same.
783 (aarch64_expand_builtin_memtag): Same.
784 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
785 (arm_expand_builtin): Same.
786 * config/arm/arm.c (bounds_check): Same.
788 2021-07-06 Martin Sebor <msebor@redhat.com>
790 * builtins.c (warn_string_no_nul): Remove %G.
791 (maybe_warn_for_bound): Same.
792 (warn_for_access): Same.
793 (check_access): Same.
794 (check_strncat_sizes): Same.
795 (expand_builtin_strncat): Same.
796 (expand_builtin_strncmp): Same.
797 (expand_builtin): Same.
798 (expand_builtin_object_size): Same.
799 (warn_dealloc_offset): Same.
800 (maybe_emit_free_warning): Same.
801 * calls.c (maybe_warn_alloc_args_overflow): Same.
802 (maybe_warn_nonstring_arg): Same.
803 (maybe_warn_rdwr_sizes): Same.
804 * expr.c (expand_expr_real_1): Remove %K.
805 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
806 (gimple_fold_builtin_strncat): Same.
807 * gimple-ssa-sprintf.c (format_directive): Same.
808 (handle_printf_call): Same.
809 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
810 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
811 (maybe_diag_access_bounds): Same. Call gimple_location.
812 (check_bounds_or_overlap): Same.
813 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
814 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
815 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
816 (maybe_diag_stxncpy_trunc): Same.
817 (handle_builtin_stxncpy_strncat): Same.
818 (maybe_warn_pointless_strcmp): Same.
819 * tree-ssa-uninit.c (maybe_warn_operand): Same.
821 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
824 * config/i386/predicates.md (vec_setm_operand): Enable
825 register_operand for TARGET_SSE4_1.
826 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
827 as operand 2 predicate. Call ix86_expand_vector_set_var
828 for non-constant index operand.
829 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
830 Call ix86_expand_vector_set_var for non-constant index operand.
832 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
834 * config/h8300/jumpcall.md (*branch): When possible, generate
835 the comparison in CCZN mode.
836 * config/h8300/predicates.md (simple_memory_operand): Reject all
837 auto-increment addressing modes.
839 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
842 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
845 2021-07-06 Richard Biener <rguenther@suse.de>
847 * doc/md.texi (vec_fmaddsub<mode>4): Document.
848 (vec_fmsubadd<mode>4): Likewise.
849 * optabs.def (vec_fmaddsub$a4): Add.
850 (vec_fmsubadd$a4): Likewise.
851 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
852 (IFN_VEC_FMSUBADD): Likewise.
853 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
854 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
855 (addsub_pattern::build): Likewise.
856 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
857 and CFN_VEC_FMSUBADD are not transparent for permutes.
858 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
859 (vec_fmsubadd<mode>4): Likewise.
861 2021-07-06 Richard Biener <rguenther@suse.de>
863 * doc/invoke.texi (fmove-loop-stores): Document.
864 * common.opt (fmove-loop-stores): New option.
865 * opts.c (default_options_table): Enable -fmove-loop-stores
867 * tree-ssa-loop-im.c (pass_lim::execute): Pass
868 flag_move_loop_stores instead of true to
869 loop_invariant_motion_in_fun.
871 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
873 * doc/install.texi: Document --with-dsymutil.
875 2021-07-06 Andrew Pinski <apinski@marvell.com>
877 PR tree-optimization/101256
878 * dbgcnt.def (phiopt_edge_range): New counter.
879 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
880 Check to make sure the new name is defined in the same
881 bb as the conditional before duplicating range info.
882 Also add debug counter.
884 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
886 PR rtl-optimization/100328
887 * config/i386/i386-options.c (ix86_option_override_internal):
888 Set param_ira_consider_dup_in_all_alts to 0.
890 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
892 PR rtl-optimization/100328
893 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
895 * ira.c (ira_get_dup_out_num): Adjust as parameter
896 param_ira_consider_dup_in_all_alts.
897 * params.opt (ira-consider-dup-in-all-alts): New.
898 * ira-conflicts.c (process_regs_for_copy): Add one parameter
899 single_input_op_has_cstr_p.
900 (get_freq_for_shuffle_copy): New function.
901 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
902 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
904 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
906 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
907 generate condition code aware RTL directly.
909 2021-07-05 Andrew Pinski <apinski@marvell.com>
911 PR tree-optimization/101039
912 * match.pd (A CMP 0 ? A : -A): New patterns.
913 * tree-ssa-phiopt.c (abs_replacement): Delete function.
914 (tree_ssa_phiopt_worker): Don't call abs_replacement.
915 Update comment about abs_replacement.
917 2021-07-05 Andrew Pinski <apinski@marvell.com>
919 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
920 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
922 2021-07-05 Andrew Pinski <apinski@marvell.com>
924 * tree-ssa-phiopt.c (match_simplify_replacement):
925 Add early_p argument. Call gimple_simplify_phiopt
926 instead of gimple_simplify.
927 (tree_ssa_phiopt_worker): Update call to
928 match_simplify_replacement and allow unconditionally.
929 (phiopt_early_allow): New function.
930 (gimple_simplify_phiopt): New function.
932 2021-07-05 Andrew Pinski <apinski@marvell.com>
935 * fold-const.c (negate_expr_p): Remove call to element_mode
936 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
937 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
938 (fold_negate_expr_1): Likewise.
939 (const_unop): Likewise.
940 (fold_cond_expr_with_comparison): Likewise.
941 (fold_binary_loc): Likewise.
942 (fold_ternary_loc): Likewise.
943 (tree_call_nonnegative_warnv_p): Likewise.
944 * match.pd (-(A + B) -> (-B) - A): Likewise.
946 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
948 * configure.ac: Handle --with-dsymutil in the same way as we
949 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
950 Extract the type and version for the dsymutil configured or
951 found by the default searches.
952 * config.in: Regenerated.
953 * configure: Regenerated.
954 * collect2.c (do_dsymutil): Handle locating dsymutil in the
955 same way as for the assembler and linker.
956 * config/darwin.h (DSYMUTIL): Delete.
957 * gcc.c: Report a configured dsymutil correctly.
958 * exec-tool.in: Allow for dsymutil.
960 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
962 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
963 Handle V4QI and V2HI modes.
964 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
965 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
966 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
967 Handle 4-byte dual operands with TARGET_XOP and single operands
968 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
969 mmx_pshufbv4qi3 for TARGET_SSSE3.
970 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
971 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
972 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
973 (expand_vec_perm_even_odd_1): Handle V4QI mode.
974 (expand_vec_perm_broadcast_1): Handle V4QI mode.
975 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
976 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
977 (mmx_pshufbv4qi3): Ditto.
978 (*mmx_pblendw32): Ditto.
979 (*mmx_pblendw64): Rename from *mmx_pblendw.
980 (mmx_punpckhbw_low): New insn_and_split pattern.
981 (mmx_punpcklbw_low): Ditto.
983 2021-07-05 Richard Biener <rguenther@suse.de>
985 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
986 set LOOP_C_INFINITE on the vectorized loop.
988 2021-07-05 Richard Biener <rguenther@suse.de>
991 * cfgloopmanip.c (loop_version): Set the loop copy of the
992 versioned loop to the new loop.
994 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
997 * config.gcc: Ensure that Darwin biarch definitions are
999 * config/i386/darwin.h (TARGET_64BIT): Remove.
1000 (PR80556_WORKAROUND): New.
1001 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
1002 (DARWIN_SUBARCH_SPEC): New.
1003 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
1004 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
1005 (REAL_LIBGCC_SPEC): Remove.
1006 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
1007 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
1008 (REAL_LIBGCC_SPEC): Remove.
1010 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
1012 PR middle-end/101294
1013 * expr.c (store_constructor): Don't use vec_duplicate on vector.
1015 2021-07-02 Martin Sebor <msebor@redhat.com>
1019 * diagnostic.c (get_any_inlining_info): New.
1020 (update_effective_level_from_pragmas): Handle inlining context.
1021 (diagnostic_enabled): Same.
1022 (diagnostic_report_diagnostic): Same.
1023 * diagnostic.h (struct diagnostic_info): Add ctor.
1024 (struct diagnostic_context): Add new member.
1025 * tree-diagnostic.c (set_inlining_locations): New.
1026 (tree_diagnostics_defaults): Set new callback pointer.
1028 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
1030 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
1032 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
1033 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
1034 lxvp and stxvp built-ins.
1035 (mma_init_builtins): Handle lxvp and stxvp built-ins.
1036 (builtin_function_type): Likewise.
1037 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
1039 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1041 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
1042 additional argument for the code.
1043 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
1044 argument for the code. Just return if the ZN bits are useful or
1045 not rather than the old style CC_* enums.
1046 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
1047 more generic shiftqi patterns.
1048 (shifthi_noscratch, shiftsi_noscratch): Similarly.
1049 (shiftqi_noscratch_set_flags): New pattern.
1050 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
1052 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
1054 PR tree-optimization/101223
1055 * range-op.cc (build_lt): Add -1 for signed values.
1056 (built_gt): Subtract -1 for signed values.
1058 2021-07-02 David Faust <david.faust@oracle.com>
1060 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
1061 (btf_asm_type): Likewise.
1063 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1065 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
1066 an array of rtx rather than a pointer to rtx. Add code argument.
1067 (compute_a_shift_length): Similarly.
1068 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
1069 shift itself isn't an operand. Create dummy operand[0] to carry
1070 a mode and pass a suitable rtx code to compute_a_shift_length.
1071 (get_shift_alg): Adjust operand number of clobber in output templates.
1072 (output_a_shift): Make first argument an array of rtx rather than
1073 a pointer to rtx. Add code argument for the type of shift.
1074 Adjust now that the shift itself is no longer an operand.
1075 (compute_a_shift_length): Similarly.
1076 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
1077 iterator rather than nshift_operator.
1078 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
1079 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
1080 and compute_a_shift_length.
1081 (shiftqi_noscratch_clobber_flags): Likewise.
1082 (shifthi_noscratch_clobber_flags): Likewise.
1083 (shiftsi_noscratch_clobber_flags): Likewise.
1085 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
1088 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
1089 dsymutil for BTF/CTF.
1091 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
1094 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
1095 segment to include BTF.
1096 (BTF_INFO_SECTION_NAME): New.
1098 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1100 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
1101 (small_data_operand, memreg_operand, small_insn_p): Likewise.
1102 * config/m32r/m32r.c (call_operand): Adjust return type.
1103 (small_data_operand, memreg_operand): Likewise.
1105 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1107 * config/frv/frv-protos.h (integer_register_operand): Adjust return
1109 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
1110 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
1111 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
1112 (move_source_operand, move_destination_operand): Likewise.
1113 (condexec_source_operand, condexec_dest_operand): Likewise.
1114 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
1115 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
1116 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
1117 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
1118 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
1119 (even_fpr_operand, odd_fpr_operand): Likewise.
1120 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
1121 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
1122 (uint4_operand, uint1_operand, int_2word_operand): Likewise
1123 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
1124 (relational_operator, float_relational_operator): Likewise.
1125 (ccr_eqne_operator, minmax_operator): Likewise.
1126 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
1127 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
1128 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
1129 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
1130 (quad_acc_operand, accg_operand): Likewise.
1132 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
1134 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
1135 return type to a bool.
1136 (nonimmediate_nonstack_operand): Likewise.
1137 (xstormy16_splittable_below100_operand): Likewise.
1138 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
1140 (xstormy16_splittable_below100_operand): Likewise.
1142 2021-07-02 Richard Biener <rguenther@suse.de>
1144 PR tree-optimization/101293
1145 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
1146 with combined offsets.
1147 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
1148 combined with the rest of the offset.
1150 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
1152 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
1153 PIC encodings for PE-COFF targets.
1155 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1158 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
1159 Return nullptr for TImode inner mode.
1161 2021-07-02 Richard Biener <rguenther@suse.de>
1163 PR tree-optimization/101280
1164 PR tree-optimization/101173
1165 * gimple-loop-interchange.cc
1166 (tree_loop_interchange::valid_data_dependences): Properly
1167 guard all dependence checks with DDR_REVERSED_P or its
1170 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
1172 * config/i386/i386-expand.c (ix86_expand_builtin):
1173 Add branch to clear odata when ZF is set for asedecenc_expand
1174 and wideaesdecenc_expand.
1176 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
1178 * config/i386/gcc-auto-profile: regenerate
1180 2021-07-02 liuhongt <hongtao.liu@intel.com>
1182 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
1183 (trunc<mode><pmov_dst_4_lower>2): this.
1185 2021-07-01 David Malcolm <dmalcolm@redhat.com>
1187 * diagnostic.h (diagnostic_context::m_file_cache): New field.
1188 * input.c (class fcache): Rename to...
1189 (class file_cache_slot): ...this, making most members private and
1190 prefixing fields with "m_".
1191 (file_cache_slot::get_file_path): New accessor.
1192 (file_cache_slot::get_use_count): New accessor.
1193 (file_cache_slot::missing_trailing_newline_p): New accessor.
1194 (file_cache_slot::inc_use_count): New.
1195 (fcache_buffer_size): Move to...
1196 (file_cache_slot::buffer_size): ...here.
1197 (fcache_line_record_size): Move to...
1198 (file_cache_slot::line_record_size): ...here.
1199 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
1200 (fcache_tab_size): Move to file_cache::num_file_slots.
1201 (diagnostic_file_cache_init): Update for move of fcache_tab
1202 to global_dc->m_file_cache.
1203 (diagnostic_file_cache_fini): Likewise.
1204 (lookup_file_in_cache_tab): Convert to...
1205 (file_cache::lookup_file): ...this.
1206 (diagnostics_file_cache_forcibly_evict_file): Update for move of
1207 fcache_tab to global_dc->m_file_cache, moving most of
1208 implementation to...
1209 (file_cache::forcibly_evict_file): ...this new function and...
1210 (file_cache_slot::evict): ...this new function.
1211 (evicted_cache_tab_entry): Convert to...
1212 (file_cache::evicted_cache_tab_entry): ...this.
1213 (add_file_to_cache_tab): Convert to...
1214 (file_cache::add_file): ...this, moving bulk of implementation
1216 (file_cache_slot::create): ..this new function.
1217 (file_cache::file_cache): New.
1218 (file_cache::~file_cache): New.
1219 (lookup_or_add_file_to_cache_tab): Convert to...
1220 (file_cache::lookup_or_add_file): ..this new function.
1221 (fcache::fcache): Rename to...
1222 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
1224 (fcache::~fcache): Rename to...
1225 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
1227 (needs_read): Convert to...
1228 (file_cache_slot::needs_read_p): ...this.
1229 (needs_grow): Convert to...
1230 (file_cache_slot::needs_grow_p): ...this.
1231 (maybe_grow): Convert to...
1232 (file_cache_slot::maybe_grow): ...this.
1233 (read_data): Convert to...
1234 (file_cache_slot::read_data): ...this.
1235 (maybe_read_data): Convert to...
1236 (file_cache_slot::maybe_read_data): ...this.
1237 (get_next_line): Convert to...
1238 (file_cache_slot::get_next_line): ...this.
1239 (goto_next_line): Convert to...
1240 (file_cache_slot::goto_next_line): ...this.
1241 (read_line_num): Convert to...
1242 (file_cache_slot::read_line_num): ...this.
1243 (location_get_source_line): Update for moving of globals to
1244 global_dc->m_file_cache.
1245 (location_missing_trailing_newline): Likewise.
1246 * input.h (class file_cache_slot): New forward decl.
1247 (class file_cache): New.
1249 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
1251 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
1252 128-bit floating point conditional move support.
1253 (have_compare_and_set_mask): Add IEEE 128-bit floating point
1255 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
1256 (mov<mode>cc_p10, IEEE128 iterator): New insn.
1257 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
1258 (fpmask<mode>, IEEE128 iterator): New insn.
1259 (xxsel<mode>, IEEE128 iterator): New insn.
1261 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
1264 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
1266 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
1268 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
1270 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
1272 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
1273 (vec_duplicate<mode>): New expander.
1275 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
1278 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
1280 (ix86_byte_broadcast): New function.
1281 (ix86_convert_const_wide_int_to_broadcast): Likewise.
1282 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
1283 size is 16 bytes or bigger.
1284 (ix86_broadcast_from_integer_constant): New function.
1285 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
1286 to broadcast if mode size is 16 bytes or bigger.
1287 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
1289 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
1291 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1293 * config/i386/predicates.md (ix86_endbr_immediate_operand):
1294 Return true/false instead of 1/0.
1295 (movq_parallel): Ditto.
1297 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1299 * recog.c (general_operand): Return true/false instead of 1/0.
1300 (register_operand): Ditto.
1301 (immediate_operand): Ditto.
1302 (const_int_operand): Ditto.
1303 (const_scalar_int_operand): Ditto.
1304 (const_double_operand): Ditto.
1305 (push_operand): Ditto.
1306 (pop_operand): Ditto.
1307 (memory_operand): Ditto.
1308 (indirect_operand): Ditto.
1310 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1312 * genpreds.c (write_predicate_subfunction):
1313 Change the type of written subfunction to bool.
1314 (write_one_predicate_function):
1315 Change the type of written function to bool.
1316 (write_tm_preds_h): Ditto.
1317 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
1318 * recog.c (general_operand): Change the type to bool.
1319 (address_operand): Ditto.
1320 (register_operand): Ditto.
1321 (pmode_register_operand): Ditto.
1322 (scratch_operand): Ditto.
1323 (immediate_operand): Ditto.
1324 (const_int_operand): Ditto.
1325 (const_scalar_int_operand): Ditto.
1326 (const_double_operand): Ditto.
1327 (nonimmediate_operand): Ditto.
1328 (nonmemory_operand): Ditto.
1329 (push_operand): Ditto.
1330 (pop_operand): Ditto.
1331 (memory_operand): Ditto.
1332 (indirect_operand): Ditto.
1333 (ordered_comparison_operator): Ditto.
1334 (comparison_operator): Ditto.
1335 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
1336 Change the type of indirect predicate function to bool.
1337 * config/rs6000/rs6000.c (easy_vector_constant):
1338 Change the type to bool.
1339 * config/mips/mips-protos.h (m16_based_address_p):
1340 Change the type of operand 3 to bool.
1342 2021-07-01 Richard Biener <rguenther@suse.de>
1344 PR tree-optimization/101280
1345 PR tree-optimization/101173
1346 * gimple-loop-interchange.cc
1347 (tree_loop_interchange::valid_data_dependences): Revert
1348 previous change and instead correctly handle DDR_REVERSED_P
1351 2021-07-01 Richard Biener <rguenther@suse.de>
1353 PR tree-optimization/101278
1354 * tree-ssa-dse.c (dse_classify_store): First check for
1355 uses, then ignore stmt for chaining purposes.
1357 2021-07-01 Richard Biener <rguenther@suse.de>
1359 PR tree-optimization/100778
1360 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
1361 vectorized ops ahead of their scalar BB.
1363 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1366 * config/i386/i386.md (*nabs<dwi>2_doubleword):
1367 New insn_and_split pattern.
1368 (*nabs<dwi>2_1): Ditto.
1369 * config/i386/i386-features.c
1370 (general_scalar_chain::compute_convert_gain):
1371 Handle (NEG (ABS (...))) RTX. Rewrite src code
1372 scanner as switch statement.
1373 (general_scalar_chain::convert_insn):
1374 Handle (NEG (ABS (...))) RTX.
1375 (general_scalar_to_vector_candidate_p):
1376 Detect (NEG (ABS (...))) RTX. Reorder case statements
1377 for (AND (NOT (...) ...)) fallthrough.
1379 2021-07-01 Richard Biener <rguenther@suse.de>
1381 PR tree-optimization/101178
1382 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
1383 (slpg::perm_in): Add.
1384 (slpg::get_perm_in): Remove.
1385 (slpg::get_perm_materialized): Add.
1386 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
1387 during permute propagation and materialization.
1389 2021-07-01 Jakub Jelinek <jakub@redhat.com>
1392 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
1394 2021-07-01 Jakub Jelinek <jakub@redhat.com>
1397 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
1398 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
1399 use boolean_type_node instead of integer_type_node as NE_EXPR type.
1400 (lower_reduction_clauses): Likewise.
1402 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1404 * config/gcn/gcn.c: Include dwarf2.h.
1405 (gcn_addr_space_debug): New function.
1406 (TARGET_ADDR_SPACE_DEBUG): New hook.
1408 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1410 * common/config/gcn/gcn-common.c
1411 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
1412 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
1414 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
1415 (gcn_frame_pointer_rqd): New function.
1416 (TARGET_FRAME_POINTER_REQUIRED): New hook.
1418 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1420 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
1421 prologue register saves.
1422 (gcn_debug_unwind_info): Use UI_DWARF2.
1423 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
1424 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
1425 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
1426 (DWARF_LINK_REGISTER): New define.
1427 (FIRST_PSEUDO_REGISTER): Increment.
1428 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
1429 (CALL_USED_REGISTERS): Likewise.
1430 (REGISTER_NAMES): Likewise.
1432 2021-06-30 Richard Biener <rguenther@suse.de>
1434 PR tree-optimization/101267
1435 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
1436 API and use SLP compatible interface of vect_is_simple_use.
1437 Reject not vectorized SLP defs for callers that do not support
1439 (vect_check_store_rhs): Handle masked stores and pass down
1440 the appropriate operator index.
1441 (vectorizable_call): Adjust.
1442 (vectorizable_store): Likewise.
1443 (vectorizable_load): Likewise. Handle SLP pecularity of
1445 (vect_is_simple_use): Remove special-casing of masked stores.
1447 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
1449 * common.opt (foffload): Remove help as Driver only.
1450 * gcc.c (display_help): Add -foffload.
1452 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
1454 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
1455 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
1456 a candidate list; better inform no offload target is configured
1457 and fix hint extraction when passed target is not '\0' at [len].
1458 * common.opt (foffload): Add tailing '.'.
1459 (foffload-options): Likewise; fix flag name in the help string.
1461 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
1464 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
1465 (vcage_f32): Gate comparison on __FAST_MATH__.
1466 (vcageq_f32): Likewise.
1467 (vcale_f32): Likewise.
1468 (vcaleq_f32): Likewise.
1469 (vcagt_f32): Likewise.
1470 (vcagtq_f32): Likewise.
1471 (vcalt_f32): Likewise.
1472 (vcaltq_f32): Likewise.
1473 (vcage_f16): Likewise.
1474 (vcageq_f16): Likewise.
1475 (vcale_f16): Likewise.
1476 (vcaleq_f16): Likewise.
1477 (vcagt_f16): Likewise.
1478 (vcagtq_f16): Likewise.
1479 (vcalt_f16): Likewise.
1480 (vcaltq_f16): Likewise.
1482 2021-06-30 Richard Biener <rguenther@suse.de>
1484 PR tree-optimization/101264
1485 * tree-vect-slp.c (vect_optimize_slp): Propagate the
1486 computed perm_in to all "any" permute successors
1487 we cannot de-duplicate immediately.
1489 2021-06-30 liuhongt <hongtao.liu@intel.com>
1492 * config/i386/sse.md
1493 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
1495 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
1497 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
1498 * config/i386/subst.md (maskz_scalar): New define_subst.
1499 (maskz_scalar_name): New subst_attr.
1500 (maskz_scalar_op5): Ditto.
1501 (round_saeonly_maskz_scalar_op5): Ditto.
1502 (round_saeonly_maskz_scalar_operand5): Ditto.
1504 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
1506 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
1507 Increase code CSECT alignment to at least 32 bytes.
1508 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
1509 alignment designation.
1511 2021-06-29 Sergei Trofimovich <siarheit@google.com>
1513 * doc/generic.texi: Fix s/net yet/not yet/ typo.
1515 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1517 PR tree-optimization/101254
1518 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
1519 wrapping/non-wrapping when setting the result range.
1521 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1523 * value-query.cc (gimple_range_global): Allow phis.
1525 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1527 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
1528 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
1529 statement for location context.
1530 (check_for_binary_op_overflow): Ditto.
1531 (simplify_using_ranges::get_vr_for_comparison): Ditto.
1532 (simplify_using_ranges::compare_name_with_value): Ditto.
1533 (simplify_using_ranges::compare_names): Ditto.
1534 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
1535 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
1536 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
1537 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
1538 (simplify_using_ranges::two_valued_val_range_p): Ditto.
1539 (simplify_using_ranges::simplify): Ditto.
1540 * vr-values.h: Adjust prototypes.
1542 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
1545 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
1547 2021-06-29 Julian Brown <julian@codesourcery.com>
1549 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
1550 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
1551 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
1553 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
1554 (MAX_FIXED_MODE_SIZE): Change to 128.
1556 2021-06-29 Julian Brown <julian@codesourcery.com>
1558 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
1559 (s_mnemonic): Add clrsb.
1560 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
1561 (clrsb<mode>2): Add expander for SImode/DImode.
1563 2021-06-29 Julian Brown <julian@codesourcery.com>
1565 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
1566 muldi3): Add patterns.
1568 2021-06-29 Julian Brown <julian@codesourcery.com>
1570 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
1571 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
1573 2021-06-29 Julian Brown <julian@codesourcery.com>
1575 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
1577 2021-06-29 Joseph Myers <joseph@codesourcery.com>
1579 * btfout.c, ctfout.c: Include "memmodel.h".
1581 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1583 * gcc.c (check_offload_target_name): Cast len argument to
1584 %q.*s to 'int'; avoid -Wstringop-truncation warning.
1586 2021-06-29 Richard Biener <rguenther@suse.de>
1588 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
1589 to "any" permute nodes and relax "any" permute proapgation
1590 during iterative backward propagation.
1592 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1595 * common.opt (-foffload=): Update description.
1596 (-foffload-options=): New.
1597 * doc/invoke.texi (C Language Options): Document
1598 -foffload and -foffload-options.
1599 * gcc.c (check_offload_target_name): New, split off from
1600 handle_foffload_option.
1601 (check_foffload_target_names): New.
1602 (handle_foffload_option): Handle -foffload=default.
1603 (driver_handle_option): Update for -foffload-options.
1604 * lto-opts.c (lto_write_options): Use -foffload-options
1605 instead of -foffload.
1606 * lto-wrapper.c (merge_and_complain, append_offload_options):
1608 * opts.c (common_handle_option): Likewise.
1610 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1612 * doc/invoke.texi (C Language Options): Sort options
1613 alphabetically in optlist and also the description itself.
1614 Remove leftover -fallow-single-precision from and add missing
1615 -fgnu-tm to the optlist.
1617 2021-06-29 Richard Biener <rguenther@suse.de>
1619 * tree-vect-slp.c (slpg_vertex::visited): Remove.
1620 (vect_slp_perms_eq): Handle -1 permutes.
1621 (vect_optimize_slp): Rewrite permute propagation.
1623 2021-06-29 Jakub Jelinek <jakub@redhat.com>
1626 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
1627 perform the optimization in GENERIC when sanitizing and x has a
1630 2021-06-29 Richard Biener <rguenther@suse.de>
1632 PR tree-optimization/101242
1633 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
1634 PHIs with not represented initial values as leafs.
1636 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
1638 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
1639 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
1641 (pdp11_initial_elimination_offset) Remove unused variable.
1642 (pdp11_cmp_length) Ditto.
1643 (pdp11_insn_cost): Ditto, and fix signedness warning.
1645 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
1647 * btfout.c: Include tm_p.h.
1650 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1652 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
1654 (bpf_expand_epilogue): Likewise.
1655 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
1656 Do not define DBX_DEBUGGING_INFO.
1658 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1660 * doc/invoke.texi: Document the CTF and BTF debug info options.
1662 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1663 David Faust <david.faust@oracle.com>
1664 Jose E. Marchesi <jose.marchesi@oracle.com>
1665 Weimin Pan <weimin.pan@oracle.com>
1667 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
1668 GTFILES. Add new object files.
1669 * common.opt: Add CTF and BTF debug info options.
1670 * btfout.c: New file.
1673 * ctfout.c: Likewise.
1674 * dwarf2ctf.c: Likewise.
1675 * dwarf2ctf.h: Likewise.
1676 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
1678 * dwarf2out.c (dwarf2out_source_line): Likewise.
1679 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
1681 (debug_format_do_cu): New function.
1682 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
1684 Include dwarf2ctf.c.
1685 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
1687 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
1688 (CTF_DEBUG): New bitmask.
1689 (BTF_DEBUG): Likewise.
1690 (enum ctf_debug_info_levels): New enum.
1691 * gengtype.c (open_base_files): Handle ctfc.h.
1692 (main): Handle uint32_t type.
1693 * flags.h (btf_debuginfo_p): New definition.
1694 (dwarf_based_debuginfo_p): Likewise.
1695 * opts.c (debug_type_names): Add entries for CTF and BTF.
1696 (btf_debuginfo_p): New function.
1697 (dwarf_based_debuginfo_p): Likewise.
1698 (common_handle_option): Handle -gctfN and -gbtf options.
1699 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
1700 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
1703 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
1705 * dwarf2out.c (AT_class): Function is no longer static.
1707 (AT_unsigned): Likewise.
1710 (get_AT_string): Likewise.
1711 (get_AT_flag): Likewise.
1712 (get_AT_unsigned): Likewise.
1713 (get_AT_ref): Likewise.
1714 (new_die_raw): Likewise.
1715 (lookup_decl_die): Likewise.
1716 (base_type_die): Likewise.
1717 (add_name_attribute): Likewise.
1718 (add_AT_int): Likewise.
1719 (add_AT_unsigned): Likewise.
1720 (add_AT_loc): Likewise.
1721 (dw_get_die_tag): New function.
1722 (dw_get_die_child): Likewise.
1723 (dw_get_die_sib): Likewise.
1724 (struct dwarf_file_data): Move from here to dwarf2out.h
1725 (struct dw_attr_struct): Likewise.
1726 * dwarf2out.h: Analogous changes.
1728 2021-06-28 Martin Jambor <mjambor@suse.cz>
1731 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
1732 members m_dead_stmts and m_dead_ssas.
1733 * ipa-param-manipulation.c
1734 (ipa_param_body_adjustments::mark_dead_statements): New function.
1735 (ipa_param_body_adjustments::common_initialization): Call it on
1736 all removed but not split parameters.
1737 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
1739 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
1741 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
1742 dead debug statements.
1743 (copy_phis_for_bb): Do not copy dead PHI nodes.
1745 2021-06-28 Martin Jambor <mjambor@suse.cz>
1748 * symtab-clones.h (clone_info): Removed member param_adjustments.
1749 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
1750 deal with pass-through splits now.
1751 (ipa_param_performed_split): Removed.
1752 (ipa_param_adjustments::modify_call): Adjusted parameters.
1753 (class ipa_param_body_adjustments): Adjusted parameters of
1754 register_replacement, modify_gimple_stmt and modify_call_stmt.
1755 (ipa_verify_edge_has_no_modifications): Declare.
1756 (ipa_edge_modifications_finalize): Declare.
1757 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
1758 performed_splits processing, pas only edge to padjs->modify_call,
1759 check that call arguments were not modified if they should not have
1761 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
1763 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
1764 (ipa_edge_modification_info): Likewise.
1765 (ipa_edge_modification_sum): Likewise.
1766 (ipa_edge_modifications): New edge summary.
1767 (ipa_verify_edge_has_no_modifications): New function.
1768 (transitive_split_p): Removed.
1769 (transitive_split_map): Likewise.
1770 (init_transitive_splits): Likewise.
1771 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
1772 summary instead of performed_splits.
1773 (ipa_param_body_adjustments::register_replacement): Drop dummy
1774 parameter, set base_index of the created ipa_param_body_replacement.
1775 (phi_arg_will_live_p): New function.
1776 (ipa_param_body_adjustments::common_initialization): Do not create
1777 IPA_SRA dummy decls.
1778 (simple_tree_swap_info): Removed.
1779 (remap_split_decl_to_dummy): Likewise.
1780 (record_argument_state_1): New function.
1781 (record_argument_state): Likewise.
1782 (ipa_param_body_adjustments::modify_call_stmt): New parameter
1783 orig_stmt. Do not work with dummy decls, save necessary info about
1784 changes to ipa_edge_modifications.
1785 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
1786 orig_stmt, pass it to modify_call_stmt.
1787 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
1789 (ipa_edge_modifications_finalize): New function.
1790 * tree-inline.c (remap_gimple_stmt): Pass original statement to
1792 (copy_phis_for_bb): Do not copy dead PHI nodes.
1793 (expand_call_inline): Do not remap performed_splits.
1794 (update_clone_info): Likewise.
1795 * toplev.c: Include ipa-param-manipulation.h.
1796 (toplev::finalize): Call ipa_edge_modifications_finalize.
1798 2021-06-28 Andrew Pinski <apinski@marvell.com>
1800 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
1801 info if we're the only things setting the target PHI.
1802 (value_replacement): Don't duplicate range here.
1803 (minmax_replacement): Likewise.
1805 2021-06-28 Richard Biener <rguenther@suse.de>
1807 PR tree-optimization/101229
1808 * gimple-walk.c (gimple_walk_op): Handle PHIs.
1810 2021-06-28 Martin Liska <mliska@suse.cz>
1812 * config/v850/v850.c (construct_dispose_instruction): Allocate
1814 (construct_prepare_instruction): Likewise.
1816 2021-06-28 Martin Liska <mliska@suse.cz>
1818 * config/v850/v850.c (v850_option_override): Build default
1820 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
1821 ignored for inlining.
1822 (TARGET_CAN_INLINE_P): New.
1824 2021-06-28 Richard Biener <rguenther@suse.de>
1826 PR tree-optimization/101207
1827 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
1828 permute eliding for load permutations properly.
1830 2021-06-28 Richard Biener <rguenther@suse.de>
1832 PR tree-optimization/101173
1833 * gimple-loop-interchange.cc
1834 (tree_loop_interchange::valid_data_dependences): Disallow outer
1835 loop dependence distance of zero.
1837 2021-06-28 liuhongt <hongtao.liu@intel.com>
1840 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
1841 define_insn_and_split.
1842 (*avx_cmp<mode>3_ltint): Ditto.
1843 (*avx2_pcmp<mode>3_3): Ditto.
1844 (*avx2_pcmp<mode>3_4): Ditto.
1845 (*avx2_pcmp<mode>3_5): Ditto.
1847 2021-06-28 liuhongt <hongtao.liu@intel.com>
1849 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
1850 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
1851 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
1852 IX86_BUILTIN_PBLENDVB128): Replace icode with
1854 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
1856 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
1857 New pre_reload splitter.
1859 2021-06-27 Andrew Pinski <apinski@marvell.com>
1861 PR middle-end/101230
1862 * fold-const.c (fold_ternary_loc): Check
1863 the return value of invert_tree_comparison.
1865 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
1867 * config.gcc: Add SPDX License Identifier.
1868 (powerpc-ibm-aix789): Default to aix73.h.
1869 (powerpc-ibm-aix7.2.*.*): New stanza.
1870 * config/rs6000/aix72.h: Add SPDX License Identifier.
1871 * config/rs6000/aix73.h: New file.
1873 2021-06-26 Jason Merrill <jason@redhat.com>
1875 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
1877 2021-06-26 Andrew Pinski <apinski@marvell.com>
1879 * genmatch.c (lower_cond): Copy for_subst_vec
1880 for the simplify also.
1881 (lower): Swap the order for lower_for and lower_cond.
1883 2021-06-26 Andrew Pinski <apinski@marvell.com>
1885 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
1886 flow senatitive info on the moved ssa set.
1888 2021-06-26 Andrew Pinski <apinski@marvell.com>
1890 * fold-const.c (fold_cond_expr_with_comparison):
1891 Exand arg0 into comp_code, arg00, and arg01.
1892 (fold_ternary_loc): Use invert_tree_comparison
1893 instead of fold_invert_truthvalue for the case
1894 where we have A CMP B ? C : A.
1896 2021-06-25 Martin Sebor <msebor@redhat.com>
1898 PR middle-end/101216
1899 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
1901 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
1903 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
1905 2021-06-25 Richard Biener <rguenther@suse.de>
1907 PR tree-optimization/101202
1908 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
1911 2021-06-25 Richard Biener <rguenther@suse.de>
1913 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
1914 STMT_VINFO_REDUC_DEF from the original representative.
1916 2021-06-25 Martin Sebor <msebor@redhat.com>
1918 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
1919 gimple_no_warning_p and gimple_set_no_warning with
1920 warning_suppressed_p, and suppress_warning.
1922 (maybe_warn_for_bound): Same.
1923 (warn_for_access): Same.
1924 (check_access): Same.
1925 (expand_builtin_strncmp): Same.
1926 (fold_builtin_varargs): Same.
1927 * calls.c (maybe_warn_nonstring_arg): Same.
1928 (maybe_warn_rdwr_sizes): Same.
1929 * cfgexpand.c (expand_call_stmt): Same.
1930 * cgraphunit.c (check_global_declaration): Same.
1931 * fold-const.c (fold_undefer_overflow_warnings): Same.
1932 (fold_truth_not_expr): Same.
1933 (fold_unary_loc): Same.
1934 (fold_checksum_tree): Same.
1935 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
1936 (array_bounds_checker::check_mem_ref): Same.
1937 (array_bounds_checker::check_addr_expr): Same.
1938 (array_bounds_checker::check_array_bounds): Same.
1939 * gimple-expr.c (copy_var_decl): Same.
1940 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
1941 (gimple_fold_builtin_strncat): Same.
1942 (gimple_fold_builtin_stxcpy_chk): Same.
1943 (gimple_fold_builtin_stpcpy): Same.
1944 (gimple_fold_builtin_sprintf): Same.
1945 (fold_stmt_1): Same.
1946 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
1947 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
1948 * gimple-ssa-sprintf.c (handle_printf_call): Same.
1949 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
1950 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
1951 * gimple-ssa-warn-restrict.h: Adjust declarations.
1952 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
1953 gimple_no_warning_p and gimple_set_no_warning with
1954 warning_suppressed_p, and suppress_warning.
1956 (check_bounds_or_overlap): Same.
1957 * gimple.c (gimple_build_call_from_tree): Same.
1958 * gimplify.c (gimplify_return_expr): Same.
1959 (gimplify_cond_expr): Same.
1960 (gimplify_modify_expr_complex_part): Same.
1961 (gimplify_modify_expr): Same.
1962 (gimple_push_cleanup): Same.
1963 (gimplify_expr): Same.
1964 * omp-expand.c (expand_omp_for_generic): Same.
1965 (expand_omp_taskloop_for_outer): Same.
1966 * omp-low.c (lower_rec_input_clauses): Same.
1967 (lower_lastprivate_clauses): Same.
1968 (lower_send_clauses): Same.
1969 (lower_omp_target): Same.
1970 * tree-cfg.c (pass_warn_function_return::execute): Same.
1971 * tree-complex.c (create_one_component_var): Same.
1972 * tree-inline.c (remap_gimple_op_r): Same.
1973 (copy_tree_body_r): Same.
1974 (declare_return_variable): Same.
1975 (expand_call_inline): Same.
1976 * tree-nested.c (lookup_field_for_decl): Same.
1977 * tree-sra.c (create_access_replacement): Same.
1978 (generate_subtree_copies): Same.
1979 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
1980 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
1981 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
1982 * tree-ssa-loop-im.c (execute_sm): Same.
1983 * tree-ssa-phiopt.c (cond_store_replacement): Same.
1984 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
1985 (handle_builtin_strcpy): Same.
1986 (maybe_diag_stxncpy_trunc): Same.
1987 (handle_builtin_stxncpy_strncat): Same.
1988 (handle_builtin_strcat): Same.
1989 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
1990 (set_no_uninit_warning): Same.
1991 (uninit_undefined_value_p): Same.
1992 (warn_uninit): Same.
1993 (maybe_warn_operand): Same.
1994 * tree-vrp.c (compare_values_warnv): Same.
1995 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
1996 (test_for_singularity): Same.
1997 * gimple.h (warning_suppressed_p): New function.
1998 (suppress_warning): Same.
1999 (copy_no_warning): Same.
2000 (gimple_set_block): Call gimple_set_location.
2001 (gimple_set_location): Call copy_warning.
2003 2021-06-25 Martin Sebor <msebor@redhat.com>
2005 * tree.h (warning_suppressed_at, copy_warning,
2006 warning_suppressed_p, suppress_warning): New functions.
2008 2021-06-25 Martin Sebor <msebor@redhat.com>
2010 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
2011 * gengtype.c (open_base_files): Add diagnostic-spec.h.
2012 * diagnostic-spec.c: New file.
2013 * diagnostic-spec.h: New file.
2014 * tree.h (no_warning, all_warnings, suppress_warning_at): New
2016 * warning-control.cc: New file.
2018 2021-06-25 liuhongt <hongtao.liu@intel.com>
2021 * config/i386/i386.c (x86_order_regs_for_local_alloc):
2024 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2026 PR tree-optimization/101189
2027 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
2028 LHS range of condition to postfold routine.
2029 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
2030 FALSE edge if the LHS range supports it being taken.
2031 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
2033 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2035 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
2036 (relation_oracle::find_relation_block): Check correct bitmap.
2037 (relation_oracle::dump): Do not dump NULL blocks.
2039 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2041 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
2042 range_on_edge instead of manually calculating.
2044 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
2046 * range-op.cc: Fix comment.
2048 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
2051 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
2052 Handle V8QI and V4HI modes.
2053 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
2055 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
2056 (mmxpackmode): New mode attribute.
2057 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
2058 (mmxunpackmode): New mode attribute.
2059 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
2060 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
2061 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
2062 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
2063 * config/i386/i386.md (extsuffix): Move from ...
2064 * config/i386/sse.md: ... here.
2066 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
2068 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
2069 (dwarf2out_finish): ...instead of here.
2071 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
2073 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
2074 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
2075 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
2076 * configure: Regenerate.
2078 2021-06-24 Richard Biener <rguenther@suse.de>
2080 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
2081 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
2082 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
2084 2021-06-24 Richard Biener <rguenther@suse.de>
2086 * config/i386/sse.md (avx_addsubv4df3): Rename to
2088 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
2089 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
2090 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
2091 * config/i386/i386-builtin.def: Adjust.
2092 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
2093 * optabs.def (vec_addsub_optab): New optab.
2094 * tree-vect-slp-patterns.c (class addsub_pattern): New.
2095 (slp_patterns): Add addsub_pattern.
2096 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
2097 across CFN_VEC_ADDSUB.
2098 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
2100 * doc/md.texi (vec_addsub<mode>3): Document.
2102 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2104 PR middle-end/101170
2105 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
2106 where regno + subreg_regno_offset wraps around use 0 as starting
2109 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2111 PR middle-end/101172
2112 * stor-layout.c (finish_bitfield_representative): If nextf has
2113 error_mark_node type, set repr type to error_mark_node too.
2115 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
2117 * config/s390/s390.c (s390_function_profiler): Ignore labelno
2119 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
2121 2021-06-24 Richard Biener <rguenther@suse.de>
2123 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
2124 across operations that have different semantics on different
2127 2021-06-24 Jakub Jelinek <jakub@redhat.com>
2129 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
2130 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
2131 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
2132 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
2133 OMP_TARGET user outer_ctx instead of ctx for placeholders and
2134 initializer/combiner gimplification.
2135 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
2136 on target constructs.
2137 (lower_rec_input_clauses): Likewise.
2138 (lower_omp_target): Likewise.
2139 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
2140 on target if in_reduction is present.
2142 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
2144 * tree-predcom.c (class pcom_worker): New class.
2145 (release_chain): Renamed to...
2146 (pcom_worker::release_chain): ...this.
2147 (release_chains): Renamed to...
2148 (pcom_worker::release_chains): ...this.
2149 (aff_combination_dr_offset): Renamed to...
2150 (pcom_worker::aff_combination_dr_offset): ...this.
2151 (determine_offset): Renamed to...
2152 (pcom_worker::determine_offset): ...this.
2153 (class comp_ptrs): New class.
2154 (split_data_refs_to_components): Renamed to...
2155 (pcom_worker::split_data_refs_to_components): ...this,
2156 and update with class comp_ptrs.
2157 (suitable_component_p): Renamed to...
2158 (pcom_worker::suitable_component_p): ...this.
2159 (filter_suitable_components): Renamed to...
2160 (pcom_worker::filter_suitable_components): ...this.
2161 (valid_initializer_p): Renamed to...
2162 (pcom_worker::valid_initializer_p): ...this.
2163 (find_looparound_phi): Renamed to...
2164 (pcom_worker::find_looparound_phi): ...this.
2165 (add_looparound_copies): Renamed to...
2166 (pcom_worker::add_looparound_copies): ...this.
2167 (determine_roots_comp): Renamed to...
2168 (pcom_worker::determine_roots_comp): ...this.
2169 (determine_roots): Renamed to...
2170 (pcom_worker::determine_roots): ...this.
2171 (single_nonlooparound_use): Renamed to...
2172 (pcom_worker::single_nonlooparound_use): ...this.
2173 (remove_stmt): Renamed to...
2174 (pcom_worker::remove_stmt): ...this.
2175 (execute_pred_commoning_chain): Renamed to...
2176 (pcom_worker::execute_pred_commoning_chain): ...this.
2177 (execute_pred_commoning): Renamed to...
2178 (pcom_worker::execute_pred_commoning): ...this.
2179 (struct epcc_data): New member worker.
2180 (execute_pred_commoning_cbck): Call execute_pred_commoning
2181 with pcom_worker pointer.
2182 (find_use_stmt): Renamed to...
2183 (pcom_worker::find_use_stmt): ...this.
2184 (find_associative_operation_root): Renamed to...
2185 (pcom_worker::find_associative_operation_root): ...this.
2186 (find_common_use_stmt): Renamed to...
2187 (pcom_worker::find_common_use_stmt): ...this.
2188 (combinable_refs_p): Renamed to...
2189 (pcom_worker::combinable_refs_p): ...this.
2190 (reassociate_to_the_same_stmt): Renamed to...
2191 (pcom_worker::reassociate_to_the_same_stmt): ...this.
2192 (stmt_combining_refs): Renamed to...
2193 (pcom_worker::stmt_combining_refs): ...this.
2194 (combine_chains): Renamed to...
2195 (pcom_worker::combine_chains): ...this.
2196 (try_combine_chains): Renamed to...
2197 (pcom_worker::try_combine_chains): ...this.
2198 (prepare_initializers_chain): Renamed to...
2199 (pcom_worker::prepare_initializers_chain): ...this.
2200 (prepare_initializers): Renamed to...
2201 (pcom_worker::prepare_initializers): ...this.
2202 (prepare_finalizers_chain): Renamed to...
2203 (pcom_worker::prepare_finalizers_chain): ...this.
2204 (prepare_finalizers): Renamed to...
2205 (pcom_worker::prepare_finalizers): ...this.
2206 (tree_predictive_commoning_loop): Renamed to...
2207 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
2208 some calls and remove some cleanup code.
2209 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
2210 (static variable looparound_phis): Remove.
2211 (static variable name_expansions): Remove.
2213 2021-06-24 Richard Biener <rguenther@suse.de>
2215 * tree-vect-slp.c (slpg_vertex): New struct.
2216 (vect_slp_build_vertices): Adjust.
2217 (vect_optimize_slp): Likewise. Maintain an outgoing permute
2218 and a materialized one.
2220 2021-06-24 Richard Biener <rguenther@suse.de>
2222 PR tree-optimization/101105
2223 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
2224 Only ignore steps when they are equal or scalar order is preserved.
2226 2021-06-24 liuhongt <hongtao.liu@intel.com>
2229 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
2230 Adjust comments for ix86_expand_vecop_qihi2.
2231 (ix86_expand_vecmul_qihi): Renamed to ..
2232 (ix86_expand_vecop_qihi2): Adjust function prototype to
2233 support shift operation, add static to definition.
2234 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
2235 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
2236 ix86_expand_vec_shift_qihi_constant.
2237 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
2238 (ix86_expand_vec_shift_qihi_constant): Deleted.
2239 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
2241 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
2242 condition TARGET_64BIT.
2243 (mul<mode>3): Ditto.
2244 (<insn><mode>3): Ditto.
2245 (vlshr<mode>3): Extend to support avx512 vlshr.
2246 (v<insn><mode>3): New expander for
2248 (v<insn>v8qi3): Ditto.
2249 (vashrv8hi3<mask_name>): Renamed to ..
2250 (vashr<mode>3): And extend to support V16QImode for avx512.
2251 (vashrv16qi3): Deleted.
2252 (vashrv2di3<mask_name>): Extend expander to support avx512
2255 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
2257 * doc/lto.texi (Design Overview): Update that slim objects are
2260 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
2262 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
2263 of OTHER_POWER10_MASKS so it will not be enabled by default.
2265 2021-06-23 Richard Biener <rguenther@suse.de>
2266 Martin Jambor <mjambor@suse.cz>
2268 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
2269 param replacement unconditionally. Adjust comment.
2271 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2273 * Makefile.in (OBJS): Add gimple-range-fold.o
2274 * gimple-range-fold.cc: New.
2275 * gimple-range-fold.h: New.
2276 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
2277 (gimple_range_calc_op2): Ditto.
2278 * gimple-range-gori.h: Move prototypes to here.
2279 * gimple-range.cc: Adjust include files.
2280 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
2281 (fur_source::get_operand): Ditto.
2282 (fur_source::get_phi_operand): Ditto.
2283 (fur_source::query_relation): Ditto.
2284 (fur_source::register_relation): Ditto.
2285 (class fur_edge): Ditto.
2286 (fur_edge::fur_edge): Ditto.
2287 (fur_edge::get_operand): Ditto.
2288 (fur_edge::get_phi_operand): Ditto.
2289 (fur_stmt::fur_stmt): Ditto.
2290 (fur_stmt::get_operand): Ditto.
2291 (fur_stmt::get_phi_operand): Ditto.
2292 (fur_stmt::query_relation): Ditto.
2293 (class fur_depend): Relocate to gimple-range-fold.h.
2294 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
2295 (fur_depend::register_relation): Ditto.
2296 (fur_depend::register_relation): Ditto.
2297 (class fur_list): Ditto.
2298 (fur_list::fur_list): Ditto.
2299 (fur_list::get_operand): Ditto.
2300 (fur_list::get_phi_operand): Ditto.
2301 (fold_range): Ditto.
2302 (adjust_pointer_diff_expr): Ditto.
2303 (gimple_range_adjustment): Ditto.
2304 (gimple_range_base_of_assignment): Ditto.
2305 (gimple_range_operand1): Ditto.
2306 (gimple_range_operand2): Ditto.
2307 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
2308 (gimple_range_calc_op2): Ditto.
2309 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
2310 (fold_using_range::range_of_range_op): Ditto.
2311 (fold_using_range::range_of_address): Ditto.
2312 (fold_using_range::range_of_phi): Ditto.
2313 (fold_using_range::range_of_call): Ditto.
2314 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
2315 (fold_using_range::range_of_builtin_call): Ditto.
2316 (fold_using_range::range_of_cond_expr): Ditto.
2317 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
2318 (fold_using_range::relation_fold_and_or): Ditto.
2319 (fold_using_range::postfold_gcond_edges): Ditto.
2320 * gimple-range.h: Add gimple-range-fold.h to include files. Change
2321 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
2322 (gimple_range_handler): Relocate to gimple-range-fold.h.
2323 (gimple_range_ssa_p): Ditto.
2324 (range_compatible_p): Ditto.
2325 (class fur_source): Ditto.
2326 (class fur_stmt): Ditto.
2327 (class fold_using_range): Ditto.
2328 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
2329 (gimple_range_calc_op2): Ditto.
2331 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2333 PR tree-optimization/101148
2334 PR tree-optimization/101014
2335 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
2336 (ranger_cache::~ranger_cache): Adjust.
2337 (ranger_cache::block_range): Check if propagation disallowed.
2338 (ranger_cache::propagate_cache): Disallow propagation if new value
2339 can't be stored properly.
2340 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
2342 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2344 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
2345 (sbr_vector::set_bb_range): Return true.
2346 (class sbr_sparse_bitmap): Adjust.
2347 (sbr_sparse_bitmap::set_bb_range): Return value.
2348 (block_range_cache::set_bb_range): Return value.
2349 (ranger_cache::propagate_cache): Use return value to print msg.
2350 * gimple-range-cache.h (class block_range_cache): Adjust.
2352 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2354 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
2356 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
2358 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
2359 so this pattern can be used for test/compare removal. Pass
2360 current insn to compute_logical_op_length and output_logical_op.
2361 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
2362 (h8300_and_costs): Add argument to compute_logical_op_length.
2363 (output_logical_op): Add new argument. Use it to determine if the
2364 condition codes are used and adjust the output accordingly.
2365 (compute_logical_op_length): Add new argument and update length
2366 computations when condition codes are used.
2367 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
2369 (output_logical_op): Likewise.
2371 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
2374 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
2375 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
2376 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
2377 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
2378 * config/i386/sse.md (unspec): ... here.
2380 2021-06-23 Martin Liska <mliska@suse.cz>
2383 * optc-save-gen.awk: Put back arm_fp16_format to
2386 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
2389 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
2392 (clz<mode>2): Update RTX pattern for additions.
2394 2021-06-23 Jakub Jelinek <jakub@redhat.com>
2396 PR middle-end/101167
2397 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
2398 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
2400 2021-06-22 Sergei Trofimovich <siarheit@google.com>
2402 * doc/rtl.texi: drop unbalanced parenthesis.
2404 2021-06-22 Richard Biener <rguenther@suse.de>
2406 PR middle-end/101156
2407 * gimplify.c (gimplify_expr): Remove premature incorrect
2410 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2412 PR tree-optimization/101159
2413 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
2416 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2418 PR middle-end/101160
2419 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
2420 clear crtl->return_rtx instead of keeping it referencing a pseudo.
2422 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2423 Andrew Pinski <apinski@marvell.com>
2425 PR tree-optimization/101162
2426 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
2429 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2431 * range-op.cc (range_relational_tests): New.
2432 (range_op_tests): Call range_relational_tests.
2434 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2436 * range-op.cc (operator_cast::lhs_op1_relation): New.
2437 (operator_identity::lhs_op1_relation): Mew.
2439 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2441 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
2443 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2445 * range-op.cc (operator_plus::lhs_op1_relation): New.
2446 (operator_plus::lhs_op2_relation): New.
2448 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2450 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
2451 relation_oracle if dominators exist.
2452 (ranger_cache::~ranger_cache): Dispose of oracle.
2453 (ranger_cache::dump_bb): Dump oracle.
2454 * gimple-range.cc (fur_source::fur_source): New.
2455 (fur_source::get_operand): Use mmeber query.
2456 (fur_source::get_phi_operand): Use member_query.
2457 (fur_source::query_relation): New.
2458 (fur_source::register_dependency): Delete.
2459 (fur_source::register_relation): New.
2460 (fur_edge::fur_edge): Adjust.
2461 (fur_edge::get_phi_operand): Fix comment.
2462 (fur_edge::query): Delete.
2463 (fur_stmt::fur_stmt): Adjust.
2464 (fur_stmt::query): Delete.
2465 (fur_depend::fur_depend): Adjust.
2466 (fur_depend::register_relation): New.
2467 (fur_depend::register_relation): New.
2468 (fur_list::fur_list): Adjust.
2469 (fur_list::get_operand): Use member query.
2470 (fold_using_range::range_of_range_op): Process and query relations.
2471 (fold_using_range::range_of_address): Adjust dependency call.
2472 (fold_using_range::range_of_phi): Ditto.
2473 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
2474 (fold_using_range::relation_fold_and_or): New.
2475 (fold_using_range::postfold_gcond_edges): New.
2476 * gimple-range.h (class gimple_ranger): Adjust.
2477 (class fur_source): Adjust members.
2478 (class fur_stmt): Ditto.
2479 (class fold_using_range): Ditto.
2481 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2483 * range-op.cc (range_operator::wi_fold): Apply relation effect.
2484 (range_operator::fold_range): Adjust and apply relation effect.
2485 (*::fold_range): Add relation parameters.
2486 (*::op1_range): Ditto.
2487 (*::op2_range): Ditto.
2488 (range_operator::lhs_op1_relation): New.
2489 (range_operator::lhs_op2_relation): New.
2490 (range_operator::op1_op2_relation): New.
2491 (range_operator::op1_op2_relation_effect): New.
2492 (relop_early_resolve): New.
2493 (operator_equal::op1_op2_relation): New.
2494 (operator_equal::fold_range): Call relop_early_resolve.
2495 (operator_not_equal::op1_op2_relation): New.
2496 (operator_not_equal::fold_range): Call relop_early_resolve.
2497 (operator_lt::op1_op2_relation): New.
2498 (operator_lt::fold_range): Call relop_early_resolve.
2499 (operator_le::op1_op2_relation): New.
2500 (operator_le::fold_range): Call relop_early_resolve.
2501 (operator_gt::op1_op2_relation): New.
2502 (operator_gt::fold_range): Call relop_early_resolve.
2503 (operator_ge::op1_op2_relation): New.
2504 (operator_ge::fold_range): Call relop_early_resolve.
2505 * range-op.h (class range_operator): Adjust parameters and methods.
2507 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2509 * Makefile.in (OBJS): Add value-relation.o.
2510 * gimple-range.h: Adjust include files.
2511 * tree-data-ref.c: Adjust include file order.
2512 * value-query.cc (range_query::get_value_range): Default to no oracle.
2513 (range_query::query_relation): New.
2514 (range_query::query_relation): New.
2515 * value-query.h (class range_query): Adjust.
2516 * value-relation.cc: New.
2517 * value-relation.h: New.
2519 2021-06-22 Richard Biener <rguenther@suse.de>
2521 PR tree-optimization/101151
2522 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
2525 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
2527 * config/riscv/riscv.c (thead_c906_tune_info): New.
2528 (riscv_tune_info_table): Use new tune.
2530 2021-06-22 Richard Biener <rguenther@suse.de>
2532 PR tree-optimization/101158
2533 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
2534 checking after checking for matching operation.
2536 2021-06-22 Richard Biener <rguenther@suse.de>
2538 PR tree-optimization/101159
2539 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
2540 missing NULL vectype check.
2542 2021-06-22 Richard Biener <rguenther@suse.de>
2544 PR tree-optimization/101154
2545 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
2547 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2550 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
2551 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
2552 * config/i386/i386.c (ix86_expand_prologue): Clear it.
2553 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
2554 Remove "" from match_operand. Emit new insns using emit_move_insn and
2555 set ix86_last_zero_store_uid to INSN_UID of the last store.
2556 Add peephole2s for 1/2/4 stores of const0_rtx following previous
2559 2021-06-22 Martin Liska <mliska@suse.cz>
2561 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
2564 2021-06-22 Martin Liska <mliska@suse.cz>
2566 * gcov-io.h: Remove padding entries.
2568 2021-06-22 liuhongt <hongtao.liu@intel.com>
2570 PR tree-optimization/97770
2571 * tree-vect-patterns.c (vect_recog_popcount_pattern):
2573 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
2575 2021-06-22 liuhongt <hongtao.liu@intel.com>
2578 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
2579 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
2580 (expand<mode>_mask): this ..
2581 (*expand<mode>_mask): New pre_reload splitter to transform
2582 v{,p}expand* to vmov* when mask is zero, all ones, or has all
2583 ones in it's lower part, otherwise still generate
2586 2021-06-22 liuhongt <hongtao.liu@intel.com>
2589 * config/i386/i386-expand.c
2590 (ix86_expand_special_args_builtin): Keep constm1_operand only
2591 if it satisfies insn's operand predicate.
2593 2021-06-21 Jason Merrill <jason@redhat.com>
2596 * df-scan.c (df_ref_record): Check that regno < endregno.
2597 * function.c (assign_parms, expand_function_end): Do nothing with a
2598 TYPE_EMPTY_P result.
2600 2021-06-21 Richard Biener <rguenther@suse.de>
2602 PR tree-optimization/101120
2603 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
2605 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
2606 DR chain DCE capability.
2607 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
2608 * tree-vect-stmts.c (vectorizable_load): Remove unused
2609 loads in the DR chain for SLP.
2611 2021-06-21 Jakub Jelinek <jakub@redhat.com>
2613 PR inline-asm/100785
2614 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
2615 output or input operands were already error_mark_node.
2616 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
2617 remove all inputs, outputs and clobbers from the asm and
2620 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2622 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
2623 (vceq_s16): Likewise.
2624 (vceq_s32): Likewise.
2625 (vceq_u8): Likewise.
2626 (vceq_u16): Likewise.
2627 (vceq_u32): Likewise.
2628 (vceq_p8): Likewise.
2629 (vceqq_s8): Likewise.
2630 (vceqq_s16): Likewise.
2631 (vceqq_s32): Likewise.
2632 (vceqq_u8): Likewise.
2633 (vceqq_u16): Likewise.
2634 (vceqq_u32): Likewise.
2635 (vceqq_p8): Likewise.
2636 (vceq_f32): Gate __a == __b on __FAST_MATH__.
2637 (vceqq_f32): Likewise.
2638 (vceq_f16): Likewise.
2639 (vceqq_f16): Likewise.
2641 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2644 * config/arm/iterators.md (NEON_VACMP): Remove.
2645 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
2647 (neon_vca<cmp_op><mode>_insn): Likewise.
2648 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
2651 2021-06-21 Richard Biener <rguenther@suse.de>
2653 PR tree-optimization/101121
2654 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
2655 when we just lack a stmt with the desired op when doing permutation.
2656 (vect_build_slp_tree): When caching a failed SLP build attempt
2657 assert that at least one lane is marked as not matching.
2659 2021-06-21 liuhongt <hongtao.liu@intel.com>
2662 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
2663 register alternative.
2664 (*and<mode>_1): Ditto.
2666 (*andn<mode>_1): Ditto.
2667 (*<code><mode>_1): Ditto.
2668 (*<code>qi_1): Ditto.
2669 (*one_cmpl<mode>2_1): Ditto.
2670 (*one_cmplsi2_1_zext): Ditto.
2671 (*one_cmplqi2_1): Ditto.
2672 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
2673 the order of mask registers to be before general registers.
2675 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
2678 * config/i386/i386.md: New define_peephole2s to shrink writing
2679 1, 2 or 4 consecutive zeros to memory when optimizing for size.
2681 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
2683 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
2684 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
2685 more efficient code when the source can be trivially simplified.
2687 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
2689 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
2690 a range if global is not available.
2691 (ranger_cache::entry_range): Fallback to range_of_def.
2692 * gimple-range-cache.h (range_of_def): Adjust prototype.
2694 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
2696 PR tree-optimization/101014
2697 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
2699 (ranger_cache::~ranger_cache): Ditto.
2700 (ranger_cache::enable_new_values): Delete.
2701 (ranger_cache::push_poor_value): Delete.
2702 (ranger_cache::range_of_def): Remove poor value processing.
2703 (ranger_cache::entry_range): Ditto.
2704 (ranger_cache::fill_block_cache): Ditto.
2705 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
2706 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
2707 * gimple-range.h (class gimple_ranger): Adjust.
2709 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
2712 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
2713 derived from arm_canon_arch.
2714 (arm_canon_arch_option): Call it.
2715 (arm_canon_arch_multilib_option): New function.
2716 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
2717 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
2718 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
2719 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
2720 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
2721 * config/arm/arm.opt (mlibarch): New option.
2722 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
2723 of march on RHS with mlibarch.
2725 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
2727 * config.in: Regenerate.
2728 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
2730 * configure: Regenerate.
2731 * configure.ac: Fix for global_load assembler functions.
2733 2021-06-18 Richard Biener <rguenther@suse.de>
2735 PR tree-optimization/101112
2736 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
2737 to lookup a pattern stmt def.
2739 2021-06-18 Jakub Jelinek <jakub@redhat.com>
2741 PR middle-end/101062
2742 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
2743 representatives in QUAL_UNION_TYPE.
2745 2021-06-18 Andrew Pinski <apinski@marvell.com>
2747 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
2748 Add counting of how many times it is done.
2749 (factor_out_conditional_conversion): Likewise.
2750 (match_simplify_replacement): Likewise.
2751 (value_replacement): Likewise.
2752 (spaceship_replacement): Likewise.
2753 (cond_store_replacement): Likewise.
2754 (cond_if_else_store_replacement_1): Likewise.
2755 (hoist_adjacent_loads): Likewise.
2757 2021-06-18 Andrew Pinski <apinski@marvell.com>
2759 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
2760 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
2761 (verify_gimple_assign_binary): Reject point and offset types on
2762 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
2763 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
2764 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
2766 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
2768 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
2769 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
2770 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
2773 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
2775 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
2776 earlyclobber to alts 0/1.
2777 (gen_addadd): Add earlyclobber to alts 0/1.
2778 * config/rs6000/fusion.md: Regenerate file.
2780 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2782 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
2784 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
2786 * gimple-range-cache.cc: Comment cleanups.
2787 * gimple-range-gori.cc: Comment cleanups.
2788 * gimple-range.cc: Comment/spacing cleanups
2789 * value-range.h: Comment cleanups.
2791 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
2794 * calls.c (expand_call): Replace PUSH_ARGS with
2795 targetm.calls.push_argument (0).
2796 (emit_library_call_value_1): Likewise.
2797 * defaults.h (PUSH_ARGS): Removed.
2798 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
2799 targetm.calls.push_argument (0).
2800 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2801 (emit_push_insn): Pass the number bytes to push to
2802 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
2803 * hooks.c (hook_bool_uint_true): New.
2804 * hooks.h (hook_bool_uint_true): Likewise.
2805 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
2806 targetm.calls.push_argument (0).
2807 * target.def (push_argument): Add a targetm.calls hook.
2808 * targhooks.c (default_push_argument): New.
2809 * targhooks.h (default_push_argument): Likewise.
2810 * config/bpf/bpf.h (PUSH_ARGS): Removed.
2811 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
2812 * config/cr16/cr16.h (PUSH_ARGS): Removed.
2813 * config/i386/i386.c (ix86_push_argument): New.
2814 (TARGET_PUSH_ARGUMENT): Likewise.
2815 * config/i386/i386.h (PUSH_ARGS): Removed.
2816 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
2817 * config/m32c/m32c.h (PUSH_ARGS): Removed.
2818 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
2819 * config/pru/pru.h (PUSH_ARGS): Likewise.
2820 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
2821 TARGET_PUSH_ARGUMENT hook.
2822 * doc/tm.texi: Regenerated.
2824 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
2827 * config/i386/i386-expand.c (expand_vector_set_var):
2828 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
2829 ix86_expand_vector_init_duplicate.
2830 (ix86_expand_vector_init_duplicate): Emit insv_1 for
2831 QImode for !TARGET_PARTIAL_REG_STALL.
2832 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
2833 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
2834 as operand 2 predicate. Call ix86_expand_vector_set_var
2835 for non-constant index operand.
2836 (vec_setv2si): Ditto.
2837 (vec_setv4hi): Ditto.
2838 (vec_setv8qi): ditto.
2840 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
2842 PR tree-optimization/100790
2843 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
2846 2021-06-17 Martin Liska <mliska@suse.cz>
2848 * doc/invoke.texi: Use consistently -O1 instead of -O.
2850 2021-06-17 Martin Liska <mliska@suse.cz>
2852 * gcov-io.h: Update documentation entry about string format.
2854 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
2857 * config/s390/vecintrin.h (vec_doublee): Fix to use
2858 __builtin_s390_vflls.
2859 (vec_floate): Fix to use __builtin_s390_vflrd.
2861 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2863 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
2864 * dominance.h (get_dominated_to_depth): Likewise.
2865 (get_all_dominated_blocks): Likewise.
2866 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
2867 * gcse.c (hoist_code): Likewise.
2868 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
2869 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
2870 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
2871 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
2873 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2875 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
2876 * dominance.h (get_dominated_by_region): Likewise.
2877 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
2878 (gimple_duplicate_sese_tail): Likewise.
2879 (move_sese_region_to_fn): Likewise.
2881 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2883 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
2884 * dominance.h (get_dominated_by): Likewise.
2885 * auto-profile.c (afdo_find_equiv_class): Adjust.
2886 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
2887 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
2888 * tree-cfg.c (test_linear_chain): Likewise.
2889 (test_diamond): Likewise.
2891 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2893 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
2894 * cfgloopanal.c (get_loop_hot_path): Likewise.
2895 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
2897 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2899 * cgraph.c (cgraph_node::collect_callers): Return
2900 auto_vec<cgraph_edge *>.
2901 * cgraph.h (cgraph_node::collect_callers): Likewise.
2902 * ipa-cp.c (create_specialized_node): Adjust.
2903 (decide_about_value): Likewise.
2904 (decide_whether_version_node): Likewise.
2905 * ipa-sra.c (process_isra_node_results): Likewise.
2907 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2909 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
2910 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
2912 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
2915 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
2917 * gimple-range.cc (debug_seed_ranger): New.
2919 (debug_ranger): New.
2921 2021-06-17 Richard Biener <rguenther@suse.de>
2923 PR tree-optimization/54400
2924 * tree-vectorizer.h (enum slp_instance_kind): Add
2925 slp_inst_kind_bb_reduc.
2926 (reduction_fn_for_scalar_code): Declare.
2927 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
2928 Check SLP_INSTANCE_KIND instead of looking at the
2930 (vect_slp_analyze_instance_alignment): Likewise.
2931 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
2932 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
2933 chain linearization from vect_build_slp_tree_2 and generalize
2934 for the use of BB reduction vectorization.
2935 (vect_build_slp_tree_2): Adjust accordingly.
2936 (vect_optimize_slp): Elide permutes at the root of BB reduction
2938 (vectorizable_bb_reduc_epilogue): New function.
2939 (vect_slp_prune_covered_roots): Likewise.
2940 (vect_slp_analyze_operations): Use them.
2941 (vect_slp_check_for_constructors): Recognize associatable
2942 chains for BB reduction vectorization.
2943 (vectorize_slp_instance_root_stmt): Generate code for the
2944 BB reduction epilogue.
2946 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
2948 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
2950 (gori_compute::may_recompute_p): New.
2951 (gori_compute::outgoing_edge_range_p): Perform recomputations.
2952 * gimple-range-gori.h (class gori_compute): Add prototype.
2954 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
2956 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
2957 true when a range can be calculated.
2958 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
2960 2021-06-16 Martin Sebor <msebor@redhat.com>
2962 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
2963 Correct documented defaults.
2965 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
2967 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
2968 m_new_value_p directly.
2970 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
2973 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
2974 Handle 64bit modes for TARGET_SSE4_1.
2975 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
2976 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
2977 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
2978 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
2979 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
2980 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
2982 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
2984 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
2985 Change to an expander that emits the correct instruction
2986 depending on endianness.
2987 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
2988 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
2990 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
2992 * config/aarch64/aarch64-simd-builtins.def: Split generator
2993 for aarch64_<su>qmovn builtins into scalar and vector
2995 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
2997 (aarch64_<su>qmovn<mode>_insn_be): Define.
2998 (aarch64_<su>qmovn<mode>): Split into scalar and vector
2999 variants. Change vector variant to an expander that emits the
3000 correct instruction depending on endianness.
3002 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3004 * config/aarch64/aarch64-simd-builtins.def: Split generator
3005 for aarch64_sqmovun builtins into scalar and vector variants.
3006 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
3007 Split into scalar and vector variants. Change vector variant
3008 to an expander that emits the correct instruction depending
3010 (aarch64_sqmovun<mode>_insn_le): Define.
3011 (aarch64_sqmovun<mode>_insn_be): Define.
3013 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
3015 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
3016 Define - modeling zero-high-half semantics.
3017 (aarch64_xtn<mode>): Change to an expander that emits the
3018 appropriate instruction depending on endianness.
3019 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
3021 (aarch64_xtn2<mode>_le): Rename to...
3022 (aarch64_xtn2<mode>_insn_le): This.
3023 (aarch64_xtn2<mode>_be): Rename to...
3024 (aarch64_xtn2<mode>_insn_be): This.
3025 (vec_pack_trunc_<mode>): Emit truncation instruction instead
3027 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
3030 2021-06-16 Martin Jambor <mjambor@suse.cz>
3032 PR tree-optimization/100453
3033 * tree-sra.c (create_access): Disqualify any const candidates
3034 which are written to.
3035 (sra_modify_expr): Do not store sub-replacements back to a const base.
3036 (handle_unscalarized_data_in_subtree): Likewise.
3037 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
3038 instead of constant_decl_p.
3040 2021-06-16 Jakub Jelinek <jakub@redhat.com>
3042 PR middle-end/101062
3043 * stor-layout.c (finish_bitfield_representative): For fields in unions
3044 assume nextf is always NULL.
3045 (finish_bitfield_layout): Compute bit field representatives also in
3046 unions, but handle it as if each bitfield was the only field in the
3049 2021-06-16 Richard Biener <rguenther@suse.de>
3051 PR tree-optimization/101088
3052 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
3053 supported refs on edges. Do not assert same ref but
3054 different kind stores are unsuported but mark them so.
3055 (hoist_memory_references): Only look for supported refs
3058 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
3060 PR rtl-optimization/46235
3061 * config/i386/i386.md: New define_split for bt followed by cmov.
3062 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
3063 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
3064 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
3065 by setnc with zero extension.
3067 2021-06-16 Richard Biener <rguenther@suse.de>
3069 PR tree-optimization/101083
3070 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
3071 vectype as argument.
3072 (vect_build_slp_tree_2): Adjust.
3074 2021-06-15 Martin Sebor <msebor@redhat.com>
3076 PR middle-end/100876
3077 * builtins.c: (gimple_call_return_array): Account for size_t
3078 mangling as either unsigned int or unsigned long
3080 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
3082 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
3083 up before eliminating comparisons.
3085 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
3087 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
3088 nonzero|X is nonzero.
3089 (range_op_bitwise_and_tests): Add tests for above.
3091 2021-06-15 Carl Love <cel@us.ibm.com>
3094 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
3096 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
3099 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
3102 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
3103 (struct gimplify_omp_ctx): Extend defaultmap array by one.
3104 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
3105 (omp_notice_variable): Update type classification for Fortran.
3106 (gimplify_scan_omp_clauses): Update calls for new argument; handle
3107 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
3108 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
3109 * langhooks.c (lhd_omp_scalar_p): Likewise.
3110 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
3111 (LANG_HOOKS_DECLS): Add them.
3112 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
3113 omp_scalar_p pointer type to include the new bool argument.
3115 2021-06-15 David Malcolm <dmalcolm@redhat.com>
3118 (Special Functions for Debugging the Analyzer): Add
3119 __analyzer_dump_capacity.
3121 2021-06-15 Jakub Jelinek <jakub@redhat.com>
3124 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
3125 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
3127 2021-06-15 Richard Biener <rguenther@suse.de>
3129 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
3130 check to identify loop latches.
3131 * cfgloop.c (verify_loop_structure): Likewise.
3132 * loop-init.c (apply_loop_flags): Allow marked irreducible
3133 regions even with multiple latches.
3134 * predict.c (rebuild_frequencies): Simplify.
3136 2021-06-15 Richard Biener <rguenther@suse.de>
3138 * tree-ssa-threadupdate.c
3139 (jump_thread_path_registry::mark_threaded_blocks): Assert we
3140 have marked irreducible regions.
3142 2021-06-14 Martin Sebor <msebor@redhat.com>
3145 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
3146 Handle calls to placement new.
3147 (ndecl_dealloc_argno): Avoid placement delete.
3149 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
3152 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
3153 create_tmp_reg_or_ssa_name().
3155 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
3157 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
3158 (ranger_cache::enable_new_values): Set to specified value and
3159 return the old value.
3160 (ranger_cache::disable_new_values): Delete.
3161 (ranger_cache::fill_block_cache): Disable non 1st order derived
3163 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
3164 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
3166 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
3169 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
3170 Return true early when testing with V2HImode.
3171 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
3173 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
3175 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
3176 (mve_vec_unpack<US>_hi_<mode>): New pattern.
3177 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
3178 (mve_vmovntq_<supf><mode>): Prefix with '@'.
3179 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
3181 (vec_unpack<US>_lo_<mode>): Likewise.
3182 (vec_pack_trunc_<mode>): Rename to
3183 neon_quad_vec_pack_trunc_<mode>.
3184 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
3186 (vec_unpack<US>_lo_<mode>): New.
3187 (vec_pack_trunc_<mode>): New.
3189 2021-06-14 Richard Biener <rguenther@suse.de>
3191 PR tree-optimization/100934
3192 * tree-ssa-dom.c (pass_dominator::execute): Properly
3193 mark irreducible regions.
3195 2021-06-14 Martin Liska <mliska@suse.cz>
3197 * doc/invoke.texi: Put r{...} on the same line as @item.
3199 2021-06-14 Martin Liska <mliska@suse.cz>
3201 * doc/invoke.texi: Add missing newline.
3203 2021-06-14 Martin Liska <mliska@suse.cz>
3205 * doc/invoke.texi: Remove '+' charasters.
3207 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
3209 * config.gcc (arc): Add support for with_cpu option.
3210 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
3212 2021-06-14 Richard Biener <rguenther@suse.de>
3214 PR tree-optimization/101031
3215 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
3216 instead of size when accounting for a possibly string
3219 2021-06-14 Martin Liska <mliska@suse.cz>
3221 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
3223 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
3225 * value-query.cc (gimple_range_global): Call get_range_global
3226 if called after inlining.
3228 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
3231 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
3232 Emit constant permutation insn directly from here.
3234 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
3236 * attribs.c (find_attribute_namespace): Iterate over vec<> with
3238 * auto-profile.c (afdo_find_equiv_class): Likewise.
3239 * gcc.c (do_specs_vec): Likewise.
3240 (do_spec_1): Likewise.
3241 (driver::set_up_specs): Likewise.
3242 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
3243 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
3244 (imm_store_chain_info::try_coalesce_bswap): Likewise.
3245 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
3246 (get_location_for_stmts): Likewise.
3247 * graphite-poly.c (print_iteration_domains): Likewise.
3248 (free_poly_bb): Likewise.
3249 (remove_gbbs_in_scop): Likewise.
3250 (free_scop): Likewise.
3251 (dump_gbb_cases): Likewise.
3252 (dump_gbb_conditions): Likewise.
3253 (print_pdrs): Likewise.
3254 (print_scop): Likewise.
3255 * ifcvt.c (cond_move_process_if_block): Likewise.
3256 * lower-subreg.c (decompose_multiword_subregs): Likewise.
3257 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
3258 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
3259 * sel-sched-dump.c (dump_insn_vector): Likewise.
3260 * store-motion.c (store_ops_ok): Likewise.
3261 (store_killed_in_insn): Likewise.
3262 * timevar.c (timer::named_items::print): Likewise.
3263 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
3264 (cleanup_tree_cfg_noloop): Likewise.
3265 * tree-data-ref.c (dump_data_references): Likewise.
3266 (print_dir_vectors): Likewise.
3267 (print_dist_vectors): Likewise.
3268 (dump_data_dependence_relations): Likewise.
3269 (dump_dist_dir_vectors): Likewise.
3270 (dump_ddrs): Likewise.
3271 (create_runtime_alias_checks): Likewise.
3272 (free_subscripts): Likewise.
3273 (save_dist_v): Likewise.
3274 (save_dir_v): Likewise.
3275 (invariant_access_functions): Likewise.
3276 (same_access_functions): Likewise.
3277 (access_functions_are_affine_or_constant_p): Likewise.
3278 (find_data_references_in_stmt): Likewise.
3279 (graphite_find_data_references_in_stmt): Likewise.
3280 (free_dependence_relations): Likewise.
3281 (free_data_refs): Likewise.
3282 * tree-inline.c (copy_debug_stmts): Likewise.
3283 * tree-into-ssa.c (dump_currdefs): Likewise.
3284 (rewrite_update_phi_arguments): Likewise.
3285 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
3286 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
3288 (vect_slp_analyze_node_dependences): Likewise.
3289 (vect_slp_analyze_instance_dependence): Likewise.
3290 (vect_record_base_alignments): Likewise.
3291 (vect_get_peeling_costs_all_drs): Likewise.
3292 (vect_peeling_supportable): Likewise.
3293 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
3294 (vec_info::free_stmt_vec_infos): Likewise.
3296 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
3298 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
3299 (andqi3_1<cczn>): Removed.
3300 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
3301 (H8/SX bit logicals): Split out from other patterns.
3302 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
3303 mulqihi3_const_clobber_flags.
3304 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
3306 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
3309 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
3310 to true if red zone is used.
3311 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
3313 * config/i386/i386.h (machine_function): Add red_zone_used.
3314 (ix86_red_zone_size): Removed.
3315 (ix86_red_zone_used): New.
3316 * config/i386/i386.md (peephole2 patterns): Replace
3317 ix86_red_zone_size with ix86_red_zone_used.
3319 2021-06-12 Jason Merrill <jason@redhat.com>
3321 * doc/extend.texi (unused variable attribute): Applies to
3322 structure fields as well.
3324 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
3326 * auto-profile.c (read_profile): fix a typo in an error string
3328 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
3330 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
3332 * tree-pretty-print.c (dump_omp_clauses): Update.
3333 (dump_generic_node) <OMP_CLAUSE>: Use it.
3335 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
3338 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
3339 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
3340 the polymorphic variants matching code.
3341 (__arm_vld1q_z): Likewise.
3342 (__arm_vld2q): Likewise.
3343 (__arm_vld4q): Likewise.
3344 (__arm_vldrbq_gather_offset): Likewise.
3345 (__arm_vldrbq_gather_offset_z): Likewise.
3347 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
3349 PR tree-optimization/96392
3350 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
3352 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
3354 PR tree-optimization/96392
3355 * fold-const.c (fold_real_zero_addition_p): Take both arguments
3356 of the addition or subtraction, not just the zero. Use this
3357 other argument in tests for signaling NaNs and signed zeros.
3358 (tree_expr_maybe_real_minus_zero_p): New predicate.
3359 * fold-const.h (fold_real_zero_addition_p): Update prototype.
3360 (tree_expr_maybe_real_minus_zero_p): New function prototype.
3361 * match.pd: Update calls to fold_real_zero_addition_p.
3362 Replace HONOR_NANS with tree_expr_maybe_nan_p.
3363 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
3364 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
3365 * tree-ssa-reassoc.c (eliminate_using_constants): Update
3366 call to fold_real_zero_addition_p.
3368 2021-06-11 Richard Biener <rguenther@suse.de>
3370 PR tree-optimization/101025
3371 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
3372 all refs that require dependence checking.
3374 2021-06-11 Richard Biener <rguenther@suse.de>
3376 PR tree-optimization/101028
3377 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
3378 reassoc discovery fails fatally, mark appropriate lanes
3381 2021-06-11 Richard Biener <rguenther@suse.de>
3383 PR tree-optimization/101026
3384 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
3385 have a representative for the associated chain nodes.
3387 2021-06-11 Jakub Jelinek <jakub@redhat.com>
3389 PR rtl-optimization/101008
3390 * simplify-rtx.c (relational_result): New function.
3391 (simplify_logical_relational_operation,
3392 simplify_relational_operation): Use it.
3394 2021-06-11 Jakub Jelinek <jakub@redhat.com>
3397 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
3399 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
3402 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
3403 false if the permutation can be implemented with constant
3404 permutation instruction in wider mode.
3405 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
3406 Handle V8QImode and V4HImode.
3408 2021-06-11 Martin Liska <mliska@suse.cz>
3410 PR gcov-profile/100788
3411 * common.opt: Add new option.
3412 * coverage.c (coverage_begin_function): Emit warning instead on
3413 the internal compiler error.
3414 * doc/invoke.texi: Document the option.
3415 * toplev.c (process_options): Enable it by default.
3417 2021-06-11 Richard Biener <rguenther@suse.de>
3419 PR middle-end/101009
3420 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
3421 to set *init_b to true when we encounter a constant equal
3423 (compute_affine_dependence): Also dump the actual DR_REF.
3425 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
3427 PR tree-optimization/100984
3428 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
3430 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
3432 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
3434 * config/rs6000/rs6000.md
3435 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
3436 define_insn_and_split.
3438 2021-06-11 Richard Biener <rguenther@suse.de>
3440 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
3441 to sort operands of the associative chain.
3443 2021-06-11 Richard Biener <rguenther@suse.de>
3445 * system.h (gcc_stablesort_r): Declare.
3446 * sort.cc (gcc_sort_r): Support stable sort.
3447 (gcc_stablesort_r): Define.
3448 * vec.h (vec<>::stablesort): Add.
3450 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
3453 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
3454 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
3455 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
3456 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
3457 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
3458 (expand_vec_perm_interleave2): Handle 64bit modes.
3459 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
3460 (expand_vec_perm_even_odd_1): Ditto.
3461 (ix86_vectorize_vec_perm_const): Ditto.
3462 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
3463 * config/i386/sse.md: ... here.
3464 * config/i386/mmx.md (*vec_interleave_lowv2sf):
3465 New insn_and_split pattern.
3466 (*vec_interleave_highv2sf): Ditto.
3467 (mmx_pshufbv8qi3): New insn pattern.
3468 (*mmx_pblendw): Ditto.
3470 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
3472 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
3473 (build_acc): Likewise.
3474 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
3475 source operands in little-endian mode.
3476 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
3477 (mma_init_builtins): Likewise.
3478 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
3479 ordering for the MMA assemble and build source operands.
3480 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
3482 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
3485 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
3487 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
3489 * config/h8300/extensions.md: Replace _clobber_flags patterns
3492 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
3494 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
3495 (vcond_mask_<mode><tointvec>): this.
3497 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
3498 Thomas Schwinge <thomas@codesourcery.com>
3500 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
3501 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
3502 * gimple.h (enum gf_mask): Split
3503 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
3504 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
3505 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
3506 (is_gimple_omp_oacc): Update.
3507 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
3508 * gimplify.c (gimplify_omp_target_update): Likewise.
3509 * omp-expand.c (expand_omp_target, build_omp_regions_1)
3510 (omp_make_gimple_edges): Likewise.
3511 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
3514 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
3516 * value-query.cc (value_query::value_on_edge): Rename name to
3518 (range_query::range_on_edge): Same.
3519 (range_query::value_of_expr): Same.
3520 (range_query::value_on_edge): Same.
3521 * value-query.h (class value_query): Same.
3522 (class range_query): Same.
3524 2021-06-10 Richard Biener <rguenther@suse.de>
3526 PR tree-optimization/101003
3527 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
3528 use the pattern stmt defs when linearizing a chain.
3530 2021-06-10 Jakub Jelinek <jakub@redhat.com>
3533 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
3534 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
3536 2021-06-10 Clement Chigot <clement.chigot@atos.net>
3538 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
3539 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
3541 2021-06-09 Andrew Pinski <apinski@marvell.com>
3543 PR tree-optimization/100925
3544 * match.pd (a ? CST1 : CST2): Limit transformations
3545 that would produce a negative to integeral types only.
3546 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
3548 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3551 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3553 * doc/tm.texi: Correctly update.
3555 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3557 * doc/tm.texi: Correctly update.
3559 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
3562 * doc/tm.texi.in (Trampolines): Add a missing blank line.
3564 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
3567 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
3568 and -ftrampolines work only with Ada.
3569 * doc/tm.texi.in (Trampolines): Likewise.
3570 * doc/tm.texi: Regenerated.
3572 2021-06-09 Carl Love <cel@us.ibm.com>
3574 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
3575 Add define for new builtins.
3576 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
3577 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
3578 overloaded builtin definitions.
3579 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
3580 VSIGNEXTSD2Q): Add builtin expansions.
3581 (SIGNEXT): Add P10 overload definition.
3582 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
3583 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
3584 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
3585 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
3586 vsignextend_si_v2di)[VIlong]: Add define_expand.
3587 Make define_insn vsx_sign_extend_si_v2di visible.
3588 * doc/extend.texi: Add documentation for the vec_signexti,
3589 vec_signextll builtins and vec_signextq.
3591 2021-06-09 Carl Love <cel@us.ibm.com>
3593 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
3594 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
3595 __floattikf_sw, __floatuntikf_sw respectively.
3596 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
3597 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
3598 define_insn for mode IEEE 128.
3600 2021-06-09 Carl Love <cel@us.ibm.com>
3602 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
3603 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
3604 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
3605 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
3606 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
3607 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
3608 uses of VSX_TI to VEC_TI.
3610 2021-06-09 Carl Love <cel@us.ibm.com>
3612 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
3614 2021-06-09 Carl Love <cel@us.ibm.com>
3616 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
3618 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
3619 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
3620 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
3621 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
3622 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
3623 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
3624 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
3626 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
3627 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
3628 altivec_vrlqnm): New define_expands.
3629 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
3630 VCMPGTUT_P): Add macro expansions.
3631 (BU_P10V_AV_P): Add builtin predicate definition.
3632 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
3633 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
3634 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
3635 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
3636 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
3637 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
3638 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
3639 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
3640 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
3641 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
3642 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
3643 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
3644 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
3645 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
3646 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
3647 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
3648 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
3649 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
3650 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
3651 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
3652 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
3653 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
3654 P10V_BUILTIN_MODU_V1TI):
3655 New overloaded definitions.
3656 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
3657 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
3658 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
3659 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
3660 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
3661 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
3663 (altivec_init_builtins): New E_V1TImode case statement.
3664 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
3665 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
3666 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
3667 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
3668 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
3669 E_V1TImode]: New case statements.
3670 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
3671 value RS6000_BTI_bool_V1TI.
3672 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
3673 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
3674 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
3675 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
3676 vlshrv1ti3, vashrv1ti3): New define_expands.
3677 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
3678 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
3679 UNSPEC_VSX_MODUQ): New unspecs.
3680 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
3681 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
3683 (vcmpnet): New define_expand.
3684 * doc/extend.texi: Add documentation for the new builtins vec_rl,
3685 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
3686 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
3687 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
3688 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
3689 vec_any_ge, vec_any_le.
3691 2021-06-09 Carl Love <cel@us.ibm.com>
3693 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
3694 bug in argument generation.
3696 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
3698 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
3700 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
3701 remove <supf> iterator.
3702 (mve_vclzq_u<mode>): New.
3703 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
3704 (neon_vclz<mode): Move to ...
3705 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
3706 * config/arm/vec-common.md: ... here. Add support for MVE.
3708 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
3710 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
3711 (@mve_vrhaddq_<supf><mode): Likewise.
3712 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
3713 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
3714 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
3716 2021-06-09 imba-tjd <109224573@qq.com>
3718 * doc/invoke.texi: Fix typo.
3720 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
3723 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
3724 Support evaluation of fmod/fmodf/fmodl at compile-time.
3726 2021-06-09 Richard Biener <rguenther@suse.de>
3728 PR tree-optimization/100981
3729 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
3730 gimple_get_lhs to also handle calls.
3731 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
3734 2021-06-09 Richard Biener <rguenther@suse.de>
3736 PR tree-optimization/97832
3737 * tree-vectorizer.h (_slp_tree::failed): New.
3738 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
3740 (_slp_tree::~_slp_tree): Free failed.
3741 (vect_build_slp_tree): Retain failed nodes and record
3742 matches in them, copying that back out when running
3743 into a cached fail. Dump start and end of discovery.
3745 (vect_build_slp_tree_2): Handle associatable chains
3746 together doing more aggressive operand swapping.
3748 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
3751 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
3753 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
3754 Linux and GNU targets.
3756 2021-06-09 Richard Biener <rguenther@suse.de>
3758 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
3761 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3763 * config/arc/arc.md (loop_end): Change it to
3764 define_insn_and_split.
3766 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3768 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
3769 (machi): New pattern.
3770 (umaddhisi4): Use VMAC2HU instruction.
3771 (umachi): New pattern.
3773 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3775 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
3776 * config/arc/arc.c (arc_split_move_p): New function.
3777 (arc_split_move): Clean up.
3778 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
3779 (movdf_insn): Likewise.
3780 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
3782 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
3785 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
3786 argument to "raw". Do not emit segment overrides when "raw" is true.
3788 2021-06-09 Martin Liska <mliska@suse.cz>
3790 * doc/gcov.texi: Create a proper JSON files.
3791 * doc/invoke.texi: Remove dots in order to make it a valid
3794 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
3796 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
3797 (insn_is_load_p): Use pattern_is_rotate64.
3798 (insn_is_swap_p): Likewise.
3799 (quad_aligned_load_p): Likewise.
3800 (const_load_sequence_p): Likewise.
3801 (replace_swapped_aligned_load): Likewise.
3802 (recombine_lvx_pattern): Likewise.
3803 (recombine_stvx_pattern): Likewise.
3805 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
3807 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
3808 fur_stmt source record.
3809 * gimple-range.cc (fur_source::get_operand): Generic range query.
3810 (fur_source::get_phi_operand): New.
3811 (fur_source::register_dependency): New.
3812 (fur_source::query): New.
3813 (class fur_edge): New. Edge source for operands.
3814 (fur_edge::fur_edge): New.
3815 (fur_edge::get_operand): New.
3816 (fur_edge::get_phi_operand): New.
3817 (fur_edge::query): New.
3818 (fur_stmt::fur_stmt): New.
3819 (fur_stmt::get_operand): New.
3820 (fur_stmt::get_phi_operand): New.
3821 (fur_stmt::query): New.
3822 (class fur_depend): New. Statement source and process dependencies.
3823 (fur_depend::fur_depend): New.
3824 (fur_depend::register_dependency): New.
3825 (class fur_list): New. List source for operands.
3826 (fur_list::fur_list): New.
3827 (fur_list::get_operand): New.
3828 (fur_list::get_phi_operand): New.
3829 (fold_range): New. Instantiate appropriate fur_source class and fold.
3830 (fold_using_range::range_of_range_op): Use new API.
3831 (fold_using_range::range_of_address): Ditto.
3832 (fold_using_range::range_of_phi): Ditto.
3833 (imple_ranger::fold_range_internal): Use fur_depend class.
3834 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
3835 * gimple-range.h (class fur_source): Now a base class.
3836 (class fur_stmt): New.
3837 (fold_range): New prototypes.
3838 (fur_source::fur_source): Delete.
3840 2021-06-08 Andrew Pinski <apinski@marvell.com>
3842 PR tree-optimization/25290
3843 * tree-ssa-phiopt.c (xor_replacement): Delete.
3844 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
3845 (match_simplify_replacement): Allow one cheap preparation
3846 statement that can be moved to before the if.
3848 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
3850 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
3851 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
3853 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
3855 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
3856 Create length attribute on define_insn_and_split. Only split for cases which we
3858 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
3859 fix length computation.
3860 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
3862 2021-06-08 Richard Biener <rguenther@suse.de>
3864 PR tree-optimization/100923
3865 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
3866 the operand vector to be valueized.
3867 (valueize_refs): Likewise.
3868 (valueize_shared_reference_ops_from_ref): Adjust.
3869 (valueize_shared_reference_ops_from_call): Likewise.
3870 (vn_reference_lookup_3): Likewise.
3871 (vn_reference_lookup_pieces): Likewise. Re-valueize
3872 with honoring availability when we are about to create
3873 the ao_ref and valueized before.
3874 (vn_reference_lookup): Likewise.
3875 (vn_reference_insert_pieces): Adjust.
3877 2021-06-08 Richard Biener <rguenther@suse.de>
3879 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
3880 (_slp_instance::root_stmts): ... a vector.
3881 (SLP_INSTANCE_ROOT_STMT): Rename to ...
3882 (SLP_INSTANCE_ROOT_STMTS): ... this.
3883 (slp_root::root): Change to...
3884 (slp_root::roots): ... a vector.
3885 (slp_root::slp_root): Adjust.
3886 * tree-vect-slp.c (_slp_instance::location): Adjust.
3887 (vect_free_slp_instance): Release the root stmt vector.
3888 (vect_build_slp_instance): Adjust.
3889 (vect_analyze_slp): Likewise.
3890 (_bb_vec_info::~_bb_vec_info): Likewise.
3891 (vect_slp_analyze_operations): Likewise.
3892 (vect_bb_vectorization_profitable_p): Likewise. Adjust
3893 costs for the root stmt.
3894 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
3896 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
3898 (vectorize_slp_instance_root_stmt): Adjust.
3899 (vect_schedule_slp): Likewise.
3901 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
3903 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
3904 (ssa_equiv_stack::ssa_equiv_stack): New.
3905 (ssa_equiv_stack::~ssa_equiv_stack): New.
3906 (ssa_equiv_stack::enter): New.
3907 (ssa_equiv_stack::leave): New.
3908 (ssa_equiv_stack::push_replacement): New.
3909 (ssa_equiv_stack::get_replacement): New.
3910 (is_pointer_ssa): New.
3911 (class pointer_equiv_analyzer): New.
3912 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
3913 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
3914 (pointer_equiv_analyzer::set_global_equiv): New.
3915 (pointer_equiv_analyzer::set_cond_equiv): New.
3916 (pointer_equiv_analyzer::get_equiv): New.
3917 (pointer_equiv_analyzer::enter): New.
3918 (pointer_equiv_analyzer::leave): New.
3919 (pointer_equiv_analyzer::get_equiv_expr): New.
3920 (pta_valueize): New.
3921 (pointer_equiv_analyzer::visit_stmt): New.
3922 (pointer_equiv_analyzer::visit_edge): New.
3923 (hybrid_folder::value_of_expr): Call PTA.
3924 (hybrid_folder::value_on_edge): Same.
3925 (hybrid_folder::pre_fold_bb): New.
3926 (hybrid_folder::post_fold_bb): New.
3927 (hybrid_folder::pre_fold_stmt): New.
3928 (rvrp_folder::pre_fold_bb): New.
3929 (rvrp_folder::post_fold_bb): New.
3930 (rvrp_folder::pre_fold_stmt): New.
3931 (rvrp_folder::value_of_expr): Call PTA.
3932 (rvrp_folder::value_on_edge): Same.
3934 2021-06-08 Jakub Jelinek <jakub@redhat.com>
3937 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
3938 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
3940 2021-06-08 Richard Biener <rguenther@suse.de>
3942 PR middle-end/100951
3943 * tree-vect-generic.c (expand_vector_piecewise): Build a
3944 VECTOR_CST if all elements are constant.
3945 (expand_vector_condition): Likewise.
3946 (lower_vec_perm): Likewise.
3947 (expand_vector_conversion): Likewise.
3949 2021-06-08 Martin Liska <mliska@suse.cz>
3951 * doc/invoke.texi: Document new param evrp-sparse-threshold.
3953 2021-06-08 Martin Liska <mliska@suse.cz>
3955 * genautomata.c (create_automata): Fix typo.
3957 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
3959 PR tree-optimization/100794
3960 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
3961 allow_unroll_p and only allow unrolling when it's true.
3962 (tree_predictive_commoning): Add parameter allow_unroll_p and
3964 (run_tree_predictive_commoning): Likewise.
3965 (pass_predcom::gate): Check flag_tree_loop_vectorize and
3966 global_options_set.x_flag_predictive_commoning.
3967 (pass_predcom::execute): Adjust for allow_unroll_p.
3969 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
3971 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
3972 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
3973 lambda function cleanup, remove scev_reset call, and adjust return
3975 (tree_predictive_commoning): Adjust for different changed values,
3976 only set flag TODO_update_ssa_only_virtuals if changed.
3977 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
3978 from todo_flags_finish.
3980 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
3982 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
3983 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
3984 (sbr_sparse_bitmap::bitmap_set_quad): New.
3985 (sbr_sparse_bitmap::bitmap_get_quad): New.
3986 (sbr_sparse_bitmap::set_bb_range): New.
3987 (sbr_sparse_bitmap::get_bb_range): New.
3988 (sbr_sparse_bitmap::bb_range_p): New.
3989 (block_range_cache::block_range_cache): initialize bitmap obstack.
3990 (block_range_cache::~block_range_cache): Destruct obstack.
3991 (block_range_cache::set_bb_range): Decide when to utilze the
3992 sparse on entry cache.
3993 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
3994 * params.opt (-param=evrp-sparse-threshold): New.
3996 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
3998 * bitmap.c (bitmap_set_aligned_chunk): New.
3999 (bitmap_get_aligned_chunk): New.
4000 (test_aligned_chunk): New.
4001 (bitmap_c_tests): Call test_aligned_chunk.
4002 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
4004 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
4007 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
4009 (ix86_expand_vector_init_one_nonzero): Ditto.
4010 (ix86_expand_vector_init_one_var): Ditto.
4011 (ix86_expand_vector_init_general): Ditto.
4012 * config/i386/mmx.md (vec_initv4qiqi): New expander.
4014 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
4016 * config/h8300/movepush.md: Change most _clobber_flags
4017 patterns to instead use <cczn> subst.
4018 (movsi_cczn): New pattern with usable CC cases split out.
4019 (movsi_h8sx_cczn): Likewise.
4021 2021-06-07 Martin Liska <mliska@suse.cz>
4023 * common/common-target.def: Split long lines and replace them
4025 * target.def: Likewise.
4026 * doc/tm.texi: Re-generated.
4028 2021-06-07 Jakub Jelinek <jakub@redhat.com>
4031 * fold-const.c (fold_read_from_vector): Return NULL if trying to
4032 read from a CONSTRUCTOR with vector type elements.
4034 2021-06-07 Jakub Jelinek <jakub@redhat.com>
4036 PR middle-end/100898
4037 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
4038 should copy any arguments. Don't call gimple_call_num_args
4039 on id->call_stmt or call_stmt more than once.
4041 2021-06-07 liuhongt <hongtao.liu@intel.com>
4044 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
4046 (<insn>v4siv4di2): Delete constraints for define_expand.
4048 2021-06-07 liuhongt <hongtao.liu@intel.com>
4051 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
4052 assignment of cfun->machine->has_explicit_vzeroupper.
4053 * config/i386/i386-features.c
4054 (ix86_add_reg_usage_to_vzerouppers): Delete.
4055 (ix86_add_reg_usage_to_vzeroupper): Ditto.
4056 (rest_of_handle_insert_vzeroupper): Remove
4057 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
4059 (gate): Remove cfun->machine->has_explicit_vzeroupper.
4060 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
4062 * config/i386/i386.c (ix86_insn_callee_abi): New function.
4063 (ix86_initialize_callee_abi): Ditto.
4064 (ix86_expand_avx_vzeroupper): Ditto.
4065 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
4067 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
4068 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
4070 * config/i386/i386.h (struct GTY(()) machine_function): Delete
4071 has_explicit_vzeroupper.
4072 * config/i386/i386.md (enum unspec): New member
4074 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
4075 define_constants for insn callee abi index.
4076 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
4077 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
4078 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
4079 (*avx_vzeroupper): Rename to ..
4080 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
4081 call_insn which has a special vzeroupper ABI.
4082 (*avx_vzeroupper_1): Deleted.
4084 2021-06-07 liuhongt <hongtao.liu@intel.com>
4087 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
4088 it won't use stack pointer reg.
4089 * final.c (leaf_function_p): When call_insn is a fake call, it
4090 won't affect caller as a leaf function.
4091 * reg-stack.c (callee_clobbers_any_stack_reg): New.
4092 (subst_stack_regs): When call_insn doesn't clobber any stack
4093 reg, don't clear the arguments.
4094 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
4096 * shrink-wrap.c (requires_stack_frame_p): No need for stack
4097 frame for a fake call.
4098 * rtl.h (FAKE_CALL_P): New macro.
4100 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
4102 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
4104 (sparc_order_regs_for_local_alloc): ...this.
4105 (sparc_leaf_reg_remap): Declare.
4106 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
4107 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
4108 * config/sparc/sparc.c (leaf_reg_remap): Delete.
4109 (order_regs_for_local_alloc): Rename to...
4110 (sparc_order_regs_for_local_alloc): ...this.
4111 (sparc_leaf_reg_remap): New function.
4112 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
4114 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
4116 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
4117 Use assemble_name to output BSS section name.
4119 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
4121 * config/i386/constraints.md (Bs):
4122 Remove boolean operators from match_test RTX.
4125 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
4128 2021-06-06 Martin Liska <mliska@suse.cz>
4130 * doc/extend.texi: Add missing @headitem.
4131 * doc/invoke.texi: Likewise.
4132 * doc/objc.texi: Likewise.
4134 2021-06-06 Martin Liska <mliska@suse.cz>
4136 * genhooks.c (emit_findices): Remove unused function.
4137 (emit_documentation): Do not call emit_findices
4138 and do not search for @Fcode directives.
4140 2021-06-06 Martin Liska <mliska@suse.cz>
4142 * doc/invoke.texi: Remove extra character.
4144 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4146 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
4148 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4150 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
4151 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
4152 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
4153 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
4155 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4157 * config/or1k/or1k.md (*movdi): Fix empty split condition.
4159 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4161 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
4164 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
4166 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
4167 *zero_extendsidi2): Fix empty split condition.
4169 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
4171 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
4173 * config/h8300/bitfield.md: Likewise.
4174 * config/h8300/combiner.md: Likewise.
4175 * config/h8300/divmod.md: Likewise.
4176 * config/h8300/extensions.md: Likewise.
4177 * config/h8300/jumpcall.md: Likewise.
4178 * config/h8300/movepush.md: Likewise.
4179 * config/h8300/multiply.md: Likewise.
4180 * config/h8300/other.md: Likewise.
4181 * config/h8300/shiftrotate.md: Likewise.
4182 * config/h8300/logical.md: Likewise. Fix split pattern to use
4183 code iterator that somehow slipped through.
4185 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
4187 PR middle-end/100905
4188 * tree-nested.c (convert_nonlocal_omp_clauses,
4189 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
4191 2021-06-04 Martin Sebor <msebor@redhat.com>
4193 PR middle-end/100732
4194 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
4195 with either source or destination argument of invalid type.
4196 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
4197 calls with arguments of invalid type.
4199 2021-06-04 Martin Sebor <msebor@redhat.com>
4201 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
4203 (attr_access::vla_bounds): Also handle VLA bounds.
4205 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
4207 * config/i386/predicates.md (GOT_memory_operand):
4208 Implement using match_code RTXes.
4209 (GOT32_symbol_operand): Ditto.
4211 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
4214 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
4216 (ix86_expand_vector_init_general): Ditto.
4217 Use SImode instead of word_mode for logic operations
4218 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
4219 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
4220 implemented by expand_vec_perm_1.
4221 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
4222 should be implemented using standard shuffle patterns.
4223 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
4224 V2HI modes to modes, implementable with shuffle for one operand.
4225 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
4226 (*pshufw_1): New insn pattern.
4227 (*vec_dupv2hi): Ditto.
4228 (vec_initv2hihi): New expander.
4230 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
4232 * config/arm/vfp.md (no_literal_pool_df_immediate,
4233 no_literal_pool_sf_immediate): Fix empty split condition.
4235 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
4237 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
4238 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
4239 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
4240 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
4241 *<sse4_1_avx2>_pblendvb_lt): Likewise.
4243 2021-06-04 Jakub Jelinek <jakub@redhat.com>
4246 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
4247 concatenation from half-sized modes with TImode elements.
4249 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
4251 * config/arc/arc.c (arc_override_options): Disable millicode
4252 thunks when RF16 is on.
4254 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
4256 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
4258 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
4260 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
4261 Replace PROMOTE_MODE marco with its content.
4263 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
4265 * config/cris/cris.md (*addi_reload): Fix empty split condition.
4267 2021-06-03 Jim Wilson <jimw@sifive.com>
4269 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
4270 turn it on for all riscv targets.
4272 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
4275 * config/i386/i386-expand.c (ix86_expand_vector_set):
4276 Handle V2HI and V4QI modes.
4277 (ix86_expand_vector_extract): Ditto.
4278 * config/i386/mmx.md (*pinsrw): New insn pattern.
4281 (*pextrw_zext): Ditto.
4283 (*pextrb_zext): Ditto.
4284 (vec_setv2hi): New expander.
4285 (vec_extractv2hihi): Ditto.
4286 (vec_setv4qi): Ditto.
4287 (vec_extractv4qiqi): Ditto.
4288 (vec_setv8qi): Enable only for TARGET_SSE4_1.
4289 (vec_extractv8qiqi): Ditto.
4291 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
4293 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
4294 order to subf instruction.
4295 * config/rs6000/fusion.md: Regenerate.
4297 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4299 * calls.c (get_size_range): Use range_of_expr instead of
4300 determine_value_range.
4301 * tree-affine.c (expr_to_aff_combination): Same.
4302 * tree-data-ref.c (split_constant_offset): Same.
4303 * tree-vrp.c (determine_value_range_1): Remove.
4304 (determine_value_range): Remove.
4305 * tree-vrp.h (determine_value_range): Remove.
4307 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4309 * function-tests.c (test_ranges): Call gimple_range_tests.
4310 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
4312 * gimple-range.cc (fur_source::get_operand): Do not call
4313 get_tree_range or gimple_range_global.
4315 (get_tree_range): Move to value-query.cc.
4316 Call get_arith_expr_range.
4317 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
4318 Include gimple-range-tests.cc.
4319 * gimple-range.h (fold_range): Add argument.
4320 (get_tree_range): Remove.
4321 * selftest.h (gimple_range_tests): New.
4322 * value-query.cc (global_range_query::range_of_expr): Add
4324 (range_query::get_tree_range): Move from gimple-range.cc.
4325 * value-query.h (class range_query): Add get_tree_range and
4326 get_arith_expr_range. Make fur_source a friend.
4327 * vr-values.c (vr_values::range_of_expr): Pass stmt to
4329 * gimple-range-tests.cc: New file.
4331 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4333 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
4334 update_global_range.
4335 * value-query.cc (update_global_range): New.
4336 * value-query.h (update_global_range): New.
4338 2021-06-03 David Malcolm <dmalcolm@redhat.com>
4340 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
4341 printing the same location twice if there are fix-it hints,
4342 multiple locations, or a label.
4344 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
4346 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
4347 thresholds to narrow the upper bound on epilogue iterations.
4349 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
4351 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
4352 (mve_vabsq_s<mode>): Likewise.
4353 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
4354 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
4355 * config/arm/vec-common.md (neg<mode>2): Rename to
4356 <absneg_str><mode>2.
4358 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
4360 * common/config/arc/arc-common.c (arc_option_optimization_table):
4362 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
4363 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
4364 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
4365 * config/arc/arc.md (abssi2_mixed): Remove pattern.
4366 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
4367 (malign-call): Likewise.
4368 (mmixed-code): Likewise.
4369 * doc/invoke.texi (ARC): Update doc.
4371 2021-06-03 Martin Liska <mliska@suse.cz>
4373 * common.opt: Use proper Enum values.
4374 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
4375 (parse_sanitizer_options): Handle only sanitizer_opts.
4376 (common_handle_option): Just assign value.
4378 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4381 * tree-inline.c (inline_forbidden_p): Remove test on return type.
4383 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4385 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
4386 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
4387 (type_byte_size): Inline into...
4388 (add_byte_size_attribute): ...this and call add_scalar_info.
4390 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4392 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
4393 (typed_binop_from_tree): New function.
4394 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
4395 turn a divide by a power of 2 into a shift.
4396 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
4397 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
4398 typed divide by calling typed_binop_from_tree.
4400 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4402 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
4403 (is_handled_procedure_type): Likewise.
4404 (struct loc_descr_context): Add strict_signedness field.
4405 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
4406 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
4407 (resolve_args_picking): Minor tweak.
4408 (function_to_dwarf_procedure): Initialize strict_signedness field.
4409 (type_byte_size): Likewise.
4410 (field_byte_offset): Likewise.
4411 (gen_descr_array_type_die): Likewise.
4412 (gen_variant_part): Likewise.
4413 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
4414 to true when a context is present before evaluating the arguments.
4415 <COND_EXPR>: Do not generate a useless comparison with zero.
4416 When dereferencing an address, if strict_signedness is true and the
4417 type is small and signed, use DW_OP_deref_type to do the dereference
4418 and then DW_OP_convert to convert back to the generic type.
4420 2021-06-03 Jakub Jelinek <jakub@redhat.com>
4423 * tree-inline.c (copy_tree_body_r): Handle iterators on
4424 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
4426 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
4428 * config/arc/arc.md (*bbit_di): Remove.
4430 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
4432 PR rtl-optimization/100264
4433 * ree.c (get_sub_rtx): Ignore SET expressions without register
4434 destinations and remove assertion, as it is not valid anymore
4435 with this new behaviour.
4436 (merge_def_and_ext): Eliminate destination check for register
4437 as such SET expressions can't occur anymore.
4438 (combine_reaching_defs): Likewise.
4440 2021-06-02 Jakub Jelinek <jakub@redhat.com>
4443 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
4444 -Wtype-limits warnings.
4445 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
4446 in operands to avoid -Wsign-compare warnings.
4448 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
4450 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
4453 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
4455 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
4457 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
4459 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
4461 * config/s390/subst.md(cconly_subst): Use a single constraint
4464 2021-06-02 Martin Liska <mliska@suse.cz>
4466 * ipa-icf.h: Use auto_vec for memory_access_types.
4468 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
4470 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
4471 argument from prototype.
4472 (output_logical_op): Add rtx_code argument.
4473 (compute_logical_op_length): Likewise.
4474 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
4475 to compute_a_shift_length.
4476 (output_logical_op); New argument with the rtx code rather than
4477 extracting it from an operand. Handle QImode too.
4478 (compute_logical_op_length): Similary.
4479 (compute_a_shift_length): Drop unused argument.
4480 * config/h8300/h8300.md (logicals): New code iterator.
4481 * config/h8300/logical.md (<code><mode>3 expander): Combine
4482 the "and" expander with the "ior"/"xor" expander.
4483 (bclr<mode>msx): Combine the QI/HI mode patterns.
4484 (<logical><mode>3 insns): Use code iterator rather than match_operator.
4485 Handle QImode as well. Update call to output_logical_op and
4486 compute_logical_op_length to pass in rtx_code
4487 Fix split condition on all define_insn_and_split patterns.
4488 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
4489 the flags and setting ZN via existing define_subst.
4490 * config/h8300/shiftrotate.md: Drop unused argument from
4491 calls to compute_a_shift_length.
4492 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
4494 2021-06-01 Andrew Pinski <apinski@marvell.com>
4496 PR tree-optimization/25290
4497 * tree-ssa-phiopt.c (match_simplify_replacement):
4499 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
4500 (two_value_replacement): Change the comment about
4501 conditional_replacement.
4502 (conditional_replacement): Delete.
4504 2021-06-01 Andrew Pinski <apinski@marvell.com>
4506 PR tree-optimization/95481
4507 * tree-tailcall.c (find_tail_calls): Handle empty typed
4510 2021-06-01 Andrew Pinski <apinski@marvell.com>
4512 * gimplify.c (zero_sized_field_decl): Delete
4513 (zero_sized_type): Delete
4514 (gimplify_init_ctor_eval): Use is_empty_type instead
4515 of zero_sized_field_decl.
4516 (gimplify_modify_expr): Use is_empty_type instead of
4519 2021-06-01 Jason Merrill <jason@redhat.com>
4522 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
4524 2021-06-01 Jason Merrill <jason@redhat.com>
4527 * diagnostic.h (warning_enabled_at): Declare.
4528 * diagnostic.c (diagnostic_enabled): Factor out from...
4529 (diagnostic_report_diagnostic): ...here.
4530 (warning_enabled_at): New.
4532 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
4534 * gimple-ssa-evrp.c: Enable exporting of global ranges.
4536 2021-06-01 Martin Liska <mliska@suse.cz>
4539 * doc/invoke.texi: Mention that -fgcse-after-reload
4540 is enabled with -O3.
4542 2021-06-01 liuhongt <hongtao.liu@intel.com>
4544 PR tree-optimization/98365
4545 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
4546 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
4547 (convert_scalar_cond_reduction): Ditto.
4548 (predicate_scalar_phi): Ditto.
4550 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4552 PR tree-optimization/100781
4553 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
4554 value calculation by default.
4555 (ranger_cache::enable_new_values): New.
4556 (ranger_cache::disable_new_values): New.
4557 (ranger_cache::push_poor_value): Check if new values are allowed.
4558 * gimple-range-cache.h (class ranger_cache): New member/methods.
4559 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
4560 statement, and disable/renable new value calculation.
4562 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4564 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
4565 (ranger_cache::range_of_def): New.
4566 (ranger_cache::entry_range): New.
4567 (ranger_cache::exit_range): New.
4568 (ranger_cache::range_of_expr): Adjust.
4569 (ranger_cache::range_on_edge): Adjust.
4570 (ranger_cache::propagate_cache): Call exit_range directly.
4571 * gimple-range-cache.h (class ranger_cache): Adjust.
4573 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4575 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
4576 gori_compute being a member rather than base class.
4577 dervied call to member call.
4578 (ranger_cache::dump): No longer dump gori_map.
4579 (ranger_cache::dump_bb): New.
4580 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
4581 being a member rather than base class.
4582 (ranger_cache::set_global_range): Ditto.
4583 (ranger_cache::ssa_range_in_bb): Ditto.
4584 (ranger_cache::range_of_expr): New.
4585 (ranger_cache::range_on_edge): New.
4586 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
4587 (ranger_cache::propagate_cache): Adjust debugging output.
4588 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
4590 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
4591 member, and inherit from range_query instead.
4592 (ranger_cache::dump_bb): New. split from dump.
4593 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
4594 (gori_compute::expr_range_at_stmt): Delete.
4595 (gori_compute::compute_name_range_op): Delete.
4596 (gori_compute::compute_operand_range_switch): Add fur_source.
4597 (gori_compute::compute_operand_range): Add fur_source param, inline
4598 old compute_name_range_op and optimize_logical_operands.
4599 (struct tf_range): Delete.
4600 (gori_compute::logical_combine): Adjust
4601 (gori_compute::optimize_logical_operands): Delete.
4602 (gori_compute::compute_logical_operands_in_chain): Delete.
4603 (gori_compute::compute_logical_operands): Adjust.
4604 (gori_compute::compute_operand1_range): Adjust to fur_source.
4605 (gori_compute::compute_operand2_range): Ditto.
4606 (gori_compute::compute_operand1_and_operand2_range): Ditto.
4607 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
4608 and adjust to fur_source.
4609 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
4610 range_query and fur_source.
4611 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
4612 from the ranger_cache..
4613 (gimple_ranger::fold_range_internal): Adjust to base class change of
4615 (gimple_ranger::dump_bb): Adjust dump.
4616 * gimple-range.h (gimple_ranger):export gori computes object.
4618 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4620 PR tree-optimization/100774
4621 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
4622 Constant values are also not stale.
4623 (ranger_cache::set_global_range): Range invariant values should also
4624 have the correct timestamp.
4626 2021-05-31 Martin Liska <mliska@suse.cz>
4628 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
4629 Unpack FUNCTION_DECL_DECL_TYPE.
4630 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
4631 Stream FUNCTION_DECL_DECL_TYPE instead of
4632 DECL_IS_OPERATOR_NEW_P.
4633 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
4635 (DECL_IS_OPERATOR_NEW_P): Likewise.
4636 (DECL_IS_OPERATOR_DELETE_P): Likewise.
4637 (DECL_LAMBDA_FUNCTION_P): Likewise.
4639 2021-05-31 Richard Biener <rguenther@suse.de>
4642 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
4643 * internal-fn.def (SHUFFLEVECTOR): New.
4644 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
4645 * doc/extend.texi: Document __builtin_shufflevector.
4647 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
4650 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
4651 indexed form addresses.
4653 2021-05-29 Jeff Law <jlaw@tachyum.com>
4655 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
4656 parameter. Call callers fixed.
4658 (output_plussi): Add FALLTHRU markers.
4659 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
4661 2021-05-29 Jakub Jelinek <jakub@redhat.com>
4664 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
4665 combined with parallel, make sure to add shared clause to
4666 parallel for explicit linear clause.
4668 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
4670 PR tree-optimization/100787
4671 * gimple-ssa-evrp.c: Disable exporting of global ranges.
4673 2021-05-28 Jason Merrill <jason@redhat.com>
4675 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
4676 operator--, operator*, operator==, and operator!=.
4677 (class tsi_range): New.
4679 2021-05-28 Richard Biener <rguenther@suse.de>
4681 PR tree-optimization/100778
4682 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
4683 trapping ops in different BBs.
4685 2021-05-28 Richard Biener <rguenther@suse.de>
4688 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
4689 copy fntype from original call.
4691 2021-05-28 Martin Liska <mliska@suse.cz>
4693 PR gcov-profile/100751
4694 * doc/gcov.texi: Revert partially a hunk that was wrong.
4696 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
4698 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
4700 (HAVE_sync_compare_and_swaphi): Likewise.
4701 (HAVE_sync_compare_and_swapsi): Likewise.
4703 2021-05-28 Jakub Jelinek <jakub@redhat.com>
4706 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
4708 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
4710 * gimplify.c (gimplify_omp_affinity): New.
4711 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
4712 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
4713 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
4714 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
4715 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
4717 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
4718 Richard Biener <rguenther@suse.de>
4720 * match.pd <popcount & / + pattern matching>:
4721 When generating popcount directly fails, try doing it in two halves.
4723 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
4725 * Makefile.in (generated_files): Add gimple-match.c and
4728 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
4730 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
4732 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
4734 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
4736 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
4738 PR tree-optimization/99398
4739 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
4740 where the fed operands are CTOR/CST and propagated through
4741 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
4742 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
4744 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
4747 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
4749 * config/i386/mmx.md (addv2sf3): Do not call
4750 ix86_fixup_binary_operands_no_copy.
4753 (<smaxmin:code>v2sf3): Ditto.
4754 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
4755 (<plusminus:insn><VI_32:mode>3): Remove expander.
4756 (<plusminus:insn><VI_32:mode>3): Rename from
4757 "*<plusminus:insn><VI_32:mode>3".
4758 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
4759 (mulv2hi3): Remove expander.
4760 (mulv2hi3): Rename from *mulv2hi3.
4761 (<s>mulv2hi3_highpart): Remove expander.
4762 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
4763 (<smaxmin:code><MMXMODE14:mode>3): Rename from
4764 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
4765 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
4766 (SMAXMIN_MMXMODEI): Remove mode iterator.
4767 (<smaxmin:code>v4hi3): New expander.
4768 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
4769 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
4770 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
4771 (SMAXMIN_VI_32): Remove mode iterator.
4772 (<umaxmin:code><MMXMODE24:mode>3): Rename from
4773 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
4774 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
4775 (UMAXMIN_MMXMODEI): Remove mode iterator.
4776 (<umaxmin:code>v8qi3): New expander.
4777 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
4778 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
4779 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
4780 (UMAXMIN_VI_32): Remove mode iterator.
4781 (<any_shift:insn>v2hi3): Remove expander.
4782 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
4783 (<any_logic:code><MMXMODEI:mode>3): Do not call
4784 ix86_fixup_binary_operands_no_copy.
4785 (<any_logic:code><VI_32:mode>3): Remove expander.
4786 (<any_logic:code><VI_32:mode>3): Rename from
4787 "*<any_logic:code><VI_32:mode>3".
4788 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
4789 * config/i386/sse.md (div<VF2:mode>3): Do not call
4790 ix86_fixup_binary_operands_no_copy.
4791 (div<VF1:mode>3): Ditto.
4792 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
4793 (smulhrsv4hi3): Ditto.
4794 (smulhrsv2hi3): Ditto.
4796 2021-05-27 Martin Sebor <msebor@redhat.com>
4798 * ggc.h (gt_ggc_mx): Add overloads for all integers.
4800 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
4802 (hash_map::operator==): New function.
4804 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
4807 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
4808 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
4809 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
4810 (*xop_maskcmp<VI_32:mode>3): Ditto.
4811 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
4812 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
4814 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
4817 * config/arm/arm.c (arm_configure_build_target): Remove parameter
4818 opts_set, directly check opts parameters for being non-null.
4819 (arm_option_restore): Update call to arm_configure_build_target.
4820 (arm_option_override): Likewise.
4821 (arm_can_inline_p): Likewise.
4822 (arm_valid_target_attribute_tree): Likewise.
4823 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
4824 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
4827 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
4829 * vr-values.c (simplify_conversion_using_ranges): Use
4830 get_range_query instead of get_global_range_query.
4832 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
4834 * gimple-range.cc (get_range_global): Move to value-query.cc.
4835 (gimple_range_global): Same.
4836 (get_global_range_query): Same.
4837 (global_range_query::range_of_expr): Same.
4838 * gimple-range.h (class global_range_query): Move to
4840 (gimple_range_global): Same.
4841 * tree-ssanames.c (get_range_info): Move to value-query.cc.
4842 (get_ptr_nonnull): Same.
4843 * tree-ssanames.h (get_range_info): Remove.
4844 (get_ptr_nonnull): Remove.
4845 * value-query.cc (get_ssa_name_range_info): Move from
4847 (get_ssa_name_ptr_info_nonnull): Same.
4848 (get_range_global): Move from gimple-range.cc.
4849 (gimple_range_global): Same.
4850 (get_global_range_query): Same.
4851 (global_range_query::range_of_expr): Same.
4852 * value-query.h (class global_range_query): Move from
4854 (gimple_range_global): Same.
4856 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
4859 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
4860 (uavgv2hi3_ceil): Ditto.
4862 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
4865 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
4867 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4869 * tree-ssanames.c (get_range_info): Merge both copies of
4870 get_range_info into one that works with irange.
4871 * tree-ssanames.h (get_range_info): Remove version that works on
4874 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4876 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
4877 (expand_builtin_strnlen): Same.
4878 (determine_block_size): Same.
4879 * fold-const.c (expr_not_equal_to): Same.
4880 * gimple-fold.c (size_must_be_zero_p): Same.
4881 * gimple-match-head.c: Include gimple-range.h.
4882 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
4883 * gimple-ssa-warn-restrict.c
4884 (builtin_memref::extend_offset_range): Same.
4885 * graphite-sese-to-poly.c (add_param_constraints): Same.
4886 * internal-fn.c (get_min_precision): Same.
4887 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
4888 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
4890 * tree-data-ref.c (split_constant_offset): Same.
4891 (dr_step_indicator): Same.
4892 * tree-dfa.c (get_ref_base_and_extent): Same.
4893 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
4894 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
4895 (determine_value_range): Same.
4896 (record_nonwrapping_iv): Same.
4897 (infer_loop_bounds_from_signedness): Same.
4898 (scev_var_range_cant_overflow): Same.
4899 * tree-ssa-phiopt.c (two_value_replacement): Same.
4900 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
4901 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
4902 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
4904 (dump_strlen_info): Same.
4905 (set_strlen_range): Same.
4906 (maybe_diag_stxncpy_trunc): Same.
4907 (get_len_or_size): Same.
4908 (handle_integral_assign): Same.
4909 * tree-ssa-structalias.c (find_what_p_points_to): Same.
4910 * tree-ssa-uninit.c (find_var_cmp_const): Same.
4911 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
4912 * tree-vect-patterns.c (vect_get_range_info): Same.
4913 (vect_recog_divmod_pattern): Same.
4914 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
4915 (register_edge_assert_for_2): Same.
4916 (determine_value_range_1): Same.
4917 * tree.c (get_range_pos_neg): Same.
4918 * vr-values.c (vr_values::get_lattice_entry): Same.
4919 (vr_values::update_value_range): Same.
4920 (simplify_conversion_using_ranges): Same.
4922 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4924 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
4925 get_range_query instead of query argument.
4926 (pass_walloca::execute): Enable and disable global ranger.
4928 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4930 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
4932 (rvrp_folder::~rvrp_folder): Call disable_ranger.
4933 (hybrid_folder::hybrid_folder): Call enable_ranger.
4934 (hybrid_folder::~hybrid_folder): Call disable_ranger.
4936 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4938 * function.c (allocate_struct_function): Set cfun->x_range_query.
4939 * function.h (struct function): Declare x_range_query.
4940 (get_range_query): New.
4941 (get_global_range_query): New.
4942 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
4943 Remove call to safe_grow_cleared.
4944 * gimple-range.cc (get_range_global): New.
4945 (gimple_range_global): Move from gimple-range.h.
4946 (get_global_range_query): New.
4947 (global_range_query::range_of_expr): New.
4948 (enable_ranger): New.
4949 (disable_ranger): New.
4950 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
4951 (class global_range_query): New.
4952 (enable_ranger): New.
4953 (disable_ranger): New.
4954 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
4955 dump_all_value_ranges to dump.
4956 * tree-vrp.c (vrp_prop::finalize): Same.
4957 * value-query.cc (range_query::dump): New.
4958 * value-query.h (range_query::dump): New.
4959 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
4960 (vr_values::dump): ...this.
4961 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
4962 dump and make virtual.
4964 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
4966 * config/i386/i386.c (ix86_autovectorize_vector_modes):
4967 Add V4QImode and V16QImode for TARGET_SSE2.
4968 * doc/sourcebuild.texi (Vector-specific attributes):
4969 Add vect64 and vect32 description.
4971 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
4973 * gimple-range-gori.cc (range_def_chain::register_dependency):
4974 Resize m_def_chain when needed.
4976 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
4978 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
4979 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
4980 * config/arm/vec-common.md: .. here. Add support for MVE.
4982 2021-05-26 Jakub Jelinek <jakub@redhat.com>
4984 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
4986 * config/microblaze/microblaze.c (microblaze_legitimize_address,
4988 microblaze_option_override, print_operand): Likewise.
4989 * config/microblaze/microblaze.md (call_internal_plt,
4990 call_value_intern_plt, call_value_intern): Likewise.
4991 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
4992 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
4993 call_value_multiple_internal1): Likewise.
4994 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
4996 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4998 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
4999 arc_ccfsm_advance, symbolic_reference_mentioned_p,
5000 arc_raw_symbolic_reference_mentioned_p): Remove register
5003 2021-05-26 Jakub Jelinek <jakub@redhat.com>
5006 * omp-low.c: Include omp-offload.h.
5007 (create_omp_child_function): If current_function_decl has
5008 "omp declare target" attribute and is_gimple_omp_offloaded,
5009 remove that attribute from the copy of attribute list and
5010 add "omp target entrypoint" attribute instead.
5011 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
5012 variables for offloading if in omp_maybe_offloaded_ctx.
5013 * omp-offload.c (pass_omp_target_link::execute): Nullify second
5014 argument to GOMP_target_data_ext in offloaded code.
5016 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5018 * config/csky/csky.c (csky_can_change_mode_class): Delete.
5019 For csky, HF/SF mode use the low bits of VREGS.
5021 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
5023 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
5024 DECL which is a reference for OMP.
5026 2021-05-26 Martin Liska <mliska@suse.cz>
5028 PR gcov-profile/100751
5029 * doc/gcov.texi: Document that __gcov_dump can be called just
5030 once and that __gcov_reset resets run-time counters.
5032 2021-05-26 Martin Liska <mliska@suse.cz>
5034 * doc/install.texi: Port relevant part from install-old.texi
5035 and re-generate list of CPUs and systems.
5037 2021-05-26 Martin Liska <mliska@suse.cz>
5039 * Makefile.in: Remove it.
5040 * doc/include/fdl.texi: Update next/previous chapters.
5041 * doc/install.texi: Likewise.
5042 * doc/install-old.texi: Removed.
5044 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5046 * config/csky/csky.c (ck810_legitimate_index_p): Support
5047 "base + index" with DF mode.
5048 * config/csky/constraints.md ("Y"): New constraint for memory operands
5049 without index register.
5050 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
5051 when mov between memory and general registers, and lower their priority.
5052 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
5054 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5056 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
5058 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5060 * config/csky/csky.md (untyped_call): Emit clobber for return
5061 registers to mark them used.
5063 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
5065 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
5067 2021-05-26 Andrew Pinski <apinski@marvell.com>
5069 * match.pd (x < 0 ? ~y : y): New patterns.
5071 2021-05-26 Andrew Pinski <apinski@marvell.com>
5073 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
5074 A?POW2:0 and A?0:POW2.
5076 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5078 * gimple-range-gori.cc (class logical_stmt_cache): Delete
5079 (logical_stmt_cache::logical_stmt_cache ): Delete.
5080 (logical_stmt_cache::~logical_stmt_cache): Delete.
5081 (logical_stmt_cache::cache_entry::dump): Delete.
5082 (logical_stmt_cache::get_range): Delete.
5083 (logical_stmt_cache::cached_name ): Delete.
5084 (logical_stmt_cache::same_cached_name): Delete.
5085 (logical_stmt_cache::cacheable_p): Delete.
5086 (logical_stmt_cache::slot_diagnostics ): Delete.
5087 (logical_stmt_cache::dump): Delete.
5088 (gori_compute_cache::gori_compute_cache): Delete.
5089 (gori_compute_cache::~gori_compute_cache): Delete.
5090 (gori_compute_cache::compute_operand_range): Delete.
5091 (gori_compute_cache::cache_stmt): Delete.
5092 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
5094 (class gori_compute_cache): Delete.
5096 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5098 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
5100 (fold_using_range::range_of_address): Adjust.
5101 (fold_using_range::range_of_phi): Adjust.
5102 * gimple-range.h (class fur_source): Adjust.
5103 (fur_source::fur_source): Adjust.
5105 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5107 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
5108 from expr_range_in_bb and adjust.
5109 (gori_compute::compute_name_range_op): Adjust.
5110 (gori_compute::optimize_logical_operands): Adjust.
5111 (gori_compute::compute_logical_operands_in_chain): Adjust.
5112 (gori_compute::compute_operand1_range): Adjust.
5113 (gori_compute::compute_operand2_range): Adjust.
5114 (ori_compute_cache::cache_stmt): Adjust.
5115 * gimple-range-gori.h (gori_compute): Rename prototype.
5117 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5119 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
5120 checked only after range_of_stmt, not range_on_entry.
5121 (gimple_ranger::range_on_entry): Check for non-null in any
5122 predecessor block, if it is not already non-null.
5123 (gimple_ranger::range_on_exit): DOnt check for non-null after
5124 range on entry call.
5125 (gimple_ranger::dump_bb): New. Split from dump.
5126 (gimple_ranger::dump): Adjust.
5127 * gimple-range.h (class gimple_ranger): Adjust.
5129 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5131 * gimple-range-cache.cc (struct range_timestamp): Delete.
5132 (class temporal_cache): Adjust.
5133 (temporal_cache::get_timestamp): Delete.
5134 (temporal_cache::set_dependency): Delete.
5135 (temporal_cache::temporal_value): Adjust.
5136 (temporal_cache::current_p): Take dependencies as params.
5137 (temporal_cache::set_timestamp): Adjust.
5138 (temporal_cache::set_always_current): Adjust.
5139 (ranger_cache::get_non_stale_global_range): Adjust.
5140 (ranger_cache::register_dependency): Delete.
5141 * gimple-range-cache.h (class range_cache): Adjust.
5143 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5145 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
5147 (range_def_chain::~range_def_chain): Dispose of obstack rather than
5148 each individual bitmap.
5149 (range_def_chain::set_import): New.
5150 (range_def_chain::get_imports): New.
5151 (range_def_chain::chain_import_p): New.
5152 (range_def_chain::register_dependency): Rename from build_def_chain
5154 (range_def_chain::def_chain_in_bitmap_p): New.
5155 (range_def_chain::add_def_chain_to_bitmap): New.
5156 (range_def_chain::has_def_chain): Just check first depenedence.
5157 (range_def_chain::get_def_chain): Process imports, use generic
5158 register_dependency routine.
5159 (range_def_chain::dump): New.
5160 (gori_map::gori_map): Allocate import list.
5161 (gori_map::~gori_map): Release imports.
5162 (gori_map::exports): Check for past allocated block size.
5163 (gori_map::imports): New.
5164 (gori_map::def_chain_in_export_p): Delete.
5165 (gori_map::is_import_p): New.
5166 (gori_map::maybe_add_gori): Handle imports.
5167 (gori_map::dump): Adjust output, add imports.
5168 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
5169 (gori_export_iterator::gori_export_iterator): New.
5170 (gori_export_iterator::next): New.
5171 (gori_export_iterator::get_name): New.
5172 * gimple-range-gori.h (range_def_chain): Add imports and direct
5173 dependecies via struct rdc.
5174 (range_def_chain::depend1): New.
5175 (range_def_chain::depend2): New.
5176 (class gori_map): Adjust.
5177 (FOR_EACH_GORI_IMPORT_NAME): New.
5178 (FOR_EACH_GORI_EXPORT_NAME): New.
5179 (class gori_export_iterator): New.
5181 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5183 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
5184 export cache filling to here.
5185 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
5187 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
5189 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
5190 (gori_map): Move to gimple-range-gori.h.
5191 (gori_compute::gori_compute): Adjust.
5192 (gori_compute::~gori_compute): Delete.
5193 (gori_compute::compute_operand_range_switch): Adjust.
5194 (gori_compute::compute_operand_range): Adjust.
5195 (gori_compute::compute_logical_operands): Adjust.
5196 (gori_compute::has_edge_range_p ): Adjust.
5197 (gori_compute::set_range_invariant): Delete.
5198 (gori_compute::dump): Adjust.
5199 (gori_compute::outgoing_edge_range_p): Adjust.
5200 * gimple-range-gori.h (class range_def_chain): Relocate here.
5201 (class gori_map): Relocate here.
5202 (class gori_compute): Inherit from gori_map, and adjust.
5204 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
5206 * value-range.cc (range_tests_legacy): Use
5207 build_nonstandard_integer_type instead of int and short.
5209 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
5211 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
5212 when really creating an initialization statement for it.
5214 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
5216 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
5218 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
5220 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
5222 2021-05-25 Martin Liska <mliska@suse.cz>
5224 PR tree-optimization/92860
5226 * optc-save-gen.awk: Remove exceptions.
5228 2021-05-25 Martin Liska <mliska@suse.cz>
5230 * asan.h (sanitize_coverage_p): New function.
5231 * doc/extend.texi: Document it.
5232 * fold-const.c (fold_range_test): Use sanitize_flags_p
5233 instead of flag_sanitize_coverage.
5234 (fold_truth_andor): Likewise.
5235 * sancov.c: Likewise.
5236 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
5237 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
5238 -fsanitize-coverage when inlining.
5240 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
5242 * config/csky/csky-modes.def : Fix copyright.
5244 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
5246 * config/csky/csky-modes.def : Amend copyright.
5247 * config/csky/csky_insn_fpuv2.md : Likewise.
5248 * config/csky/csky_insn_fpuv3.md : Likewise.
5250 2021-05-25 Richard Biener <rguenther@suse.de>
5252 PR middle-end/100727
5253 * calls.c (initialize_argument_information): Explicitely test
5255 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
5257 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5259 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
5260 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
5261 the signle definition. The signle definition may not work well
5262 at simplify_subreg_regno().
5263 (HARD_FRAME_POINTER_REGNUM): New.
5264 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
5265 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
5266 csky_initial_elimination_offset, csky_expand_prologue,
5267 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
5269 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5271 * config/csky/csky.c (csky_option_override):
5272 Init csky_arch_isa_features[] in advance, so TARGET_DSP
5273 and TARGET_DIV can be set well.
5275 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5277 * config/csky/constraints.md ("l", "h"): Delete.
5278 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
5279 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
5280 * config/csky/csky.c (regno_reg_classm,
5281 csky_secondary_reload, csky_register_move_cost):
5282 Use HILO_REGS instead of LO_REGS and HI_REGS.
5284 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5286 * config/csky/constraints.md ("W"): New constriant for mem operand
5287 with base reg, index register.
5288 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
5289 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
5291 ("Dv"): New constraint for const double value that can be used at
5293 * config/csky/csky-modes.def (HFmode): New mode.
5294 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
5295 to "csky_valid_mem_constraint_operand" and support new constraint
5297 (csky_get_movedouble_length): New.
5298 (fpuv3_output_move): New.
5299 (fpuv3_const_double): New.
5300 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
5301 (decompose_csky_address): Refine.
5302 (csky_print_operand): New "CONST_DOUBLE" operand.
5303 (csky_output_move): Support fpv3 instructions.
5304 (csky_get_movedouble_length): New.
5305 (fpuv3_output_move): New.
5306 (fpuv3_const_double): New.
5307 (csky_emit_compare): Cover float comparsion.
5308 (csky_emit_compare_float): Refine.
5309 (csky_vaild_fpuv2_mem_operand): Rename to
5310 "csky_valid_mem_constraint_operand" and support new constraint "W".
5311 (ck860_rtx_costs): New.
5312 (csky_rtx_costs): Add the cost calculation of CK860.
5313 (regno_reg_class): New vregs for fpuv3.
5314 (csky_dbx_regno): Likewise.
5315 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
5316 (csky_conditional_register_usage): Suporrot fpuv3.
5317 (csky_dwarf_register_span): Suporrot fpuv3.
5318 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
5319 (ck810_legitimate_index_p): Support fp16.
5320 * config/csky/csky.h (TARGET_TLS): ADD CK860.
5321 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
5322 (TARGET_SINGLE_FPU): Support fpuv3.
5323 (TARGET_SUPPORT_FPV3): New.
5324 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
5325 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
5326 REG_CLASS_CONTENTS): Support fpuv3.
5327 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
5328 (csky_movsf_fpv2): Likewise.
5329 (ck801_movsf): Likewise.
5330 (csky_movsf): Likewise.
5332 (csky_movdf_fpv2): Likewise.
5333 (ck801_movdf): Likewise.
5334 (csky_movdf): Likewise.
5335 (movsicc): Refine. Use "comparison_operatior" instead of
5336 "ordered_comparison_operatior".
5337 (addsicc): Likewise.
5338 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
5339 (call_value_internal_vh): New.
5340 * config/csky/csky_cores.def (CK860): New arch and cpu.
5345 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
5346 into emit-patterns and match-patterns, remain the emit-patterns here,
5347 and move the match-patterns to csky_insn_fpuv2.md or
5349 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
5350 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
5352 * config/csky/csky_isa.def (fcr): New.
5357 (CK860): New definition for ck860.
5358 * config/csky/csky_tables.opt (ck860): New processors ck860,
5359 ck860f. And new arch ck860.
5364 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
5365 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
5366 * config/csky/t-csky-elf: Support 860.
5367 * config/csky/t-csky-linux: Likewise.
5368 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
5370 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
5372 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
5373 add generation of logical-add and add-logical fusion pairs.
5374 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
5376 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
5377 logical-add and add-logical fusion by default.
5378 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
5379 -mpower10-fusion-add-logical options.
5380 * config/rs6000/fusion.md: Regenerate file.
5382 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
5384 * value-range.cc (irange::legacy_equal_p): Check type when
5385 comparing VR_VARYING types.
5386 (range_tests_legacy): Test comparing VARYING ranges of different
5389 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
5391 * config/aarch64/aarch64.c (neoversen1_tunings):
5392 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
5394 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
5396 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
5397 extern weak symbols. Limit symbol offsets for non-GOT symbols with
5400 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
5402 * config/arm/neon.md (vec_load_lanesxi<mode>)
5403 (vec_store_lanexoi<mode>): Move ...
5404 * config/arm/vec-common.md: here.
5406 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
5408 * config/arm/neon.md (vec_load_lanesoi<mode>)
5409 (vec_store_lanesoi<mode>): Move ...
5410 * config/arm/vec-common.md: here.
5412 2021-05-24 liuhongt <hongtao.liu@intel.com>
5415 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
5416 stmt with GIMPLE_NOP when lhs doesn't exist.
5418 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
5421 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
5422 New instruction pattern.
5423 (*push<VI_32:mode>2): Ditto.
5424 (push splitter for SSE registers): New splitter.
5426 2021-05-23 Andrew Pinski <apinski@marvell.com>
5428 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
5430 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
5432 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
5433 * config/rs6000/fusion.md: Regenerate file.
5435 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
5437 * config/rs6000/genfusion.pl (gen_addadd): New function.
5438 * config/rs6000/fusion.md: Regenerate file.
5439 * config/rs6000/rs6000-cpus.def: Add
5440 OPTION_MASK_P10_FUSION_2ADD to masks.
5441 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5442 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
5443 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
5445 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5448 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
5449 * gimplify.c (enum gimplify_omp_var_data): Fix up
5450 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
5451 (omp_lastprivate_for_combined_outer_constructs): If combined target
5452 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
5453 GOVD_MAP | GOVD_SEEN.
5454 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
5455 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
5456 (gimplify_adjust_omp_clauses): For firstprivate clauses with
5457 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
5458 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
5459 let it be replaced by implicit map clause.
5461 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5464 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
5466 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
5467 (gimplify_omp_for): Likewise.
5469 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5472 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
5473 'external' in blocks.
5475 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5478 * flag-types.h (enum openacc_privatization): New.
5479 * params.opt (-param=openacc-privatization): New.
5480 * doc/invoke.texi (openacc-privatization): Document it.
5481 * omp-general.h (get_openacc_privatization_dump_flags): New
5483 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
5484 * omp-offload.c (execute_oacc_device_lower)
5485 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
5486 * target.def (goacc.adjust_private_decl): Add 'location_t'
5488 * doc/tm.texi: Regenerate.
5489 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
5490 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
5491 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
5492 Likewise. Preserve it for...
5493 (nvptx_goacc_expand_var_decl): ... use here.
5495 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5497 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
5500 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5503 * omp-low.c (oacc_privatization_candidate_p): New function.
5504 (oacc_privatization_scan_clause_chain)
5505 (oacc_privatization_scan_decl_chain): Use it. Also
5506 'gcc_checking_assert' that we're not seeing duplicates.
5508 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5511 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
5514 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5517 * omp-offload.c (execute_oacc_device_lower): Explain.
5519 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5522 * omp-offload.c (execute_oacc_device_lower)
5523 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
5525 * internal-fn.c (expand_UNIQUE): Don't expect
5526 'IFN_UNIQUE_OACC_PRIVATE'.
5528 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5531 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
5533 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5536 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
5537 (nvptx_goacc_expand_var_decl): Tighten.
5539 2021-05-21 Julian Brown <julian@codesourcery.com>
5540 Chung-Lin Tang <cltang@codesourcery.com>
5541 Thomas Schwinge <thomas@codesourcery.com>
5544 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
5545 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
5546 * doc/tm.texi: Regenerate.
5547 * expr.c (expand_expr_real_1): Expand decls using the
5548 expand_var_decl OpenACC hook if defined.
5549 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
5550 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
5551 * omp-low.c (omp_context): Add oacc_privatization_candidates
5553 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
5555 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
5556 private marker's gimple call arguments, and pass it to
5557 lower_oacc_reductions.
5558 (oacc_privatization_scan_clause_chain)
5559 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
5561 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
5562 * omp-offload.c (convert.h): Include.
5563 (oacc_loop_xform_head_tail): Treat private-variable markers like
5564 fork/join when transforming head/tail sequences.
5565 (struct var_decl_rewrite_info): Add struct.
5566 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
5567 (execute_oacc_device_lower): Support rewriting gang-private
5568 variables using target hook, and fix up addr_expr and var_decl
5570 * target.def (adjust_private_decl, expand_var_decl): New hooks.
5571 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
5573 (gcn_goacc_adjust_private_decl): ...this.
5574 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
5576 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
5577 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
5578 definition using gcn_goacc_adjust_gangprivate_decl...
5579 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
5580 gcn_goacc_adjust_private_decl.
5581 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
5582 (gang_private_shared_size): New global variable.
5583 (gang_private_shared_align): Likewise.
5584 (gang_private_shared_sym): Likewise.
5585 (gang_private_shared_hmap): Likewise.
5586 (nvptx_option_override): Initialize these.
5587 (nvptx_file_end): Output gang_private_shared_sym.
5588 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
5590 (nvptx_set_current_function): Clear gang_private_shared_hmap.
5591 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
5592 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
5594 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
5596 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
5598 2021-05-21 Richard Biener <rguenther@suse.de>
5599 H.J. Lu <hjl.tools@gmail.com>
5602 * expr.c (expand_constructor): Elide expand_constructor if
5603 move by pieces is preferred.
5605 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5607 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
5608 Take a flag and mode value as arguments.
5609 (aarch64_modifies_global_state_p): Likewise.
5610 (aarch64_reads_global_state_p): Likewise.
5611 (aarch64_could_trap_p): Likewise.
5612 (aarch64_get_attributes): Likewise.
5613 (aarch64_init_simd_builtins): Adjust callsite of above.
5614 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
5615 function attributes to apply to builtins.
5616 (aarch64_init_crc32_builtins): Likewise.
5617 (aarch64_init_builtin_rsqrt): Likewise.
5619 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
5621 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
5622 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
5623 (gen_2logical): Use new fusion types.
5624 * config/rs6000/fusion.md: Regenerate.
5626 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
5629 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
5630 Handle V4QI and V2HI modes.
5631 (ix86_expand_sse_movcc): Ditto.
5632 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
5633 New instruction pattern.
5634 (*eq<VI_32:mode>3): Ditto.
5635 (*gt<VI_32:mode>3): Ditto.
5636 (*xop_pcmov_<VI_32:mode>): Ditto.
5637 (mmx_pblendvb32): Ditto.
5638 (mmx_pblendvb64): Rename from mmx_pblendvb.
5639 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
5640 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
5641 (vcond<VI_32:mode><VI_32:mode>): Ditto.
5642 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
5643 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
5645 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5647 PR tree-optimization/94589
5648 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
5649 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
5650 not the same as cmp3) treat <= the same as < and >= the same as >.
5651 Don't require that cond2_phi_edge is true edge, instead take
5652 false/true edges into account based on cmp1/cmp2 comparison kinds.
5654 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
5657 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
5658 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
5659 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
5660 using SMAXMIN_MMXMODEI mode iterator.
5661 (*<smaxmin:code>v4qi3): New insn pattern.
5662 (*<smaxmin:code>v2hi3): Ditto.
5663 (SMAXMIN_VI_32): New mode iterator.
5664 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
5665 (UMAXMIN_MMXMODEI): New mode iterator.
5666 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
5667 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
5668 using UMAXMIN_MMXMODEI mode iterator.
5669 (*<umaxmin:code>v4qi3): New insn pattern.
5670 (*<umaxmin:code>v2hi3): Ditto.
5671 (UMAXMIN_VI_32): New mode iterator.
5672 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
5673 (abs<VI_32:mode>2): New insn pattern.
5674 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
5675 * config/i386/sse.md: ... here.
5677 2021-05-20 Clement Chigot <clement.chigot@atos.net>
5678 David Edelsohn <dje.gcc@gmail.com>
5680 * collect2.c (scan_prog_file): Issue non-fatal warning for
5683 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
5685 * doc/invoke.texi (-Wno-c++11-extensions)
5686 (-Wno-c++14-extensions, -Wno-c++17-extensions)
5687 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
5690 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
5692 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
5693 * config/darwin.c (darwin_override_options): Likewise.
5694 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
5695 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
5696 (DWARF2_FRAME_REG_OUT): Likewise.
5697 * config/mips/mips.c (mips_output_filename): Likewise.
5698 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
5700 (rs6000_dbx_register_number): Likewise.
5701 * dbxout.c: Include flags.h.
5702 * dwarf2cfi.c (cfi_label_required_p): Likewise.
5703 (dwarf2out_do_frame): Likewise.
5704 * except.c: Include flags.h.
5705 * final.c (dwarf2_debug_info_emitted_p): Likewise.
5706 (final_scan_insn_1): Likewise.
5707 * flags.h (dwarf_debuginfo_p): New function declaration.
5708 * opts.c (dwarf_debuginfo_p): New function definition.
5709 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
5710 * toplev.c (process_options): Likewise.
5712 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
5714 * common.opt: Change type to support bitmasks.
5715 * flag-types.h (enum debug_info_type): Rename enumerator constants.
5716 (NO_DEBUG): New bitmask.
5717 (DBX_DEBUG): Likewise.
5718 (DWARF2_DEBUG): Likewise.
5719 (XCOFF_DEBUG): Likewise.
5720 (VMS_DEBUG): Likewise.
5721 (VMS_AND_DWARF2_DEBUG): Likewise.
5722 * flags.h (debug_set_to_format): New function declaration.
5723 (debug_set_count): Likewise.
5724 (debug_set_names): Likewise.
5725 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
5726 (debug_set_to_format): New function definition.
5727 (debug_set_count): Likewise.
5728 (debug_set_names): Likewise.
5729 (set_debug_level): Update access to debug_type_names.
5730 * toplev.c: Likewise.
5732 2021-05-20 Martin Sebor <msebor@redhat.com>
5734 PR middle-end/100684
5735 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
5737 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
5740 * config/i386/i386.md (isa): Remove x64_bmi.
5741 (enabled): Remove x64_bmi.
5742 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
5743 Remove general register alternative.
5744 (*andnot<VI_32:mode>3): Ditto.
5745 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
5746 (*<any_logic:code><VI_32:mode>3): Ditto.
5748 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
5750 * config/arm/arm.c: Include head files tree-vectorizer.h and
5753 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
5756 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
5757 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
5758 (<s>mulv4hi3_highpart): New expander.
5759 (*<s>mulv2hi3_highpart): New insn pattern.
5760 (<s>mulv2hi3_higpart): New expander.
5761 (*<any_shift:insn>v2hi3): New insn pattern.
5762 (<any_shift:insn>v2hi3): New expander.
5763 * config/i386/sse.md (smulhrsv2hi3): New expander.
5764 (*smulhrsv2hi3): New insn pattern.
5766 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
5768 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
5770 * params.opt (vect-inner-loop-cost-factor): New.
5771 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
5772 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
5773 tree-vectorizer.h and its required ones.
5774 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
5775 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
5776 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
5777 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
5778 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
5779 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
5781 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
5782 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
5783 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
5785 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
5786 Torbjörn Svensson <torbjorn.svensson@st.com>
5789 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
5791 2021-05-20 Jakub Jelinek <jakub@redhat.com>
5794 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
5795 explicit linear clause when combined with target, make it map(tofrom:)
5796 instead of no clause or firstprivate.
5798 2021-05-20 Jakub Jelinek <jakub@redhat.com>
5800 PR tree-optimization/94589
5801 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
5802 of integral conversions.
5804 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
5806 * gimple-range.cc (fur_source::get_operand): New.
5807 (gimple_range_fold): Delete.
5808 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
5809 (fold_using_range::range_of_range_op): Move from gimple_ranger.
5810 (fold_using_range::range_of_address): Ditto.
5811 (fold_using_range::range_of_phi): Ditto.
5812 (fold_using_range::range_of_call): Ditto.
5813 (fold_using_range::range_of_builtin_ubsan_call): Move from
5814 range_of_builtin_ubsan_call.
5815 (fold_using_range::range_of_builtin_call): Move from
5816 range_of_builtin_call.
5817 (gimple_ranger::range_of_builtin_call): Delete.
5818 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
5819 (gimple_ranger::fold_range_internal): New.
5820 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
5821 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
5822 gimple_ranger. Improve ranges of SSA_NAMES when possible.
5823 * gimple-range.h (gimple_ranger): Remove various range_of routines.
5824 (class fur_source): New.
5825 (class fold_using_range): New.
5826 (fur_source::fur_source): New.
5828 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
5829 instead of range_of_builtin_call.
5831 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
5833 * doc/cpp.texi (Common Predefined Macros): Update documentation
5834 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
5836 2021-05-19 Alex Coplan <alex.coplan@arm.com>
5839 * config/arm/arm.md (nonsecure_call_internal): Always ensure
5840 callee's address is in a register.
5842 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
5844 * common/config/riscv/riscv-common.c
5845 (riscv_subset_list::parsing_subset_version): Properly parse the letter
5847 (riscv_subset_list::parse_std_ext,
5848 riscv_subset_list::parse_multiletter_ext): To handle errors generated
5849 in riscv_subset_list::parsing_subset_version.
5851 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5853 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
5854 type attribute in patterns generating XTN(2).
5856 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5858 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
5859 Remove as duplicate of...
5860 (aarch64_xtn<mode>): This.
5861 (aarch64_xtn2<mode>_le): Move position in file.
5862 (aarch64_xtn2<mode>_be): Move position in file.
5863 (aarch64_xtn2<mode>): Move position in file.
5864 (vec_pack_trunc_<mode>): Define as an expander.
5866 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5868 * config/aarch64/aarch64-simd-builtins.def: Split builtin
5869 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
5870 separate scalar and vector generators.
5871 * config/aarch64/aarch64-simd.md
5872 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
5874 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
5875 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
5876 * config/aarch64/iterators.md: Define SD_HSDI iterator.
5878 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
5880 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
5882 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
5884 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5886 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
5887 Implement as an expand emitting a big/little endian
5888 instruction pattern.
5889 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
5890 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
5892 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5894 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
5895 Implement as an expand emitting a big/little endian
5896 instruction pattern.
5897 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
5898 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
5899 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
5900 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
5902 2021-05-19 Richard Biener <rguenther@suse.de>
5904 PR middle-end/100672
5905 * fold-const.c (fold_negate_expr_1): Use element_precision.
5906 (negate_expr_p): Likewise.
5908 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
5910 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
5911 (pred_load): New int attribute.
5912 * config/aarch64/aarch64-sve.md
5913 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
5914 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
5915 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
5916 code_for_aarch64_load.
5918 2021-05-19 Richard Biener <rguenther@suse.de>
5920 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
5921 sure TARGET_MEM_REF bases are expanded as memory.
5922 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
5923 Do not mark TARGET_MEM_REF bases addressable.
5924 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
5925 TARGET_MEM_REF bases as never rewritable.
5926 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
5927 walk TARGET_MEM_REF bases as address-takens.
5928 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
5930 2021-05-19 Richard Biener <rguenther@suse.de>
5932 * builtins.c (get_object_alignment_1): Strip outer
5934 * tree-dfa.c (get_ref_base_and_extent): Handle outer
5935 WITH_SIZE_EXPR for size processing and process the
5937 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
5938 outer WITH_SIZE_EXPR.
5939 (ao_ref_base_alias_ptr_type): Likewise.
5940 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
5941 and handle that accordingly, stripping it for the
5943 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
5944 looking through it instead of returning NULL.
5946 2021-05-19 Jakub Jelinek <jakub@redhat.com>
5948 PR middle-end/100576
5949 * builtins.c (check_read_access): Convert bound to size_type_node if
5952 2021-05-19 Richard Biener <rguenther@suse.de>
5954 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
5955 (verify_types_in_gimple_reference): ... here. Sanitize.
5956 (verify_gimple_call): Verify references in LHS and arguments.
5957 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
5959 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
5961 * config/i386/i386.h (VALID_INT_MODE_P):
5962 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
5963 * config/i386/i386.md (isa): Add x64_bmi.
5964 (enabled): Handle x64_bmi.
5965 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
5966 Add alternative using 64bit general registers.
5967 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
5969 2021-05-19 Jakub Jelinek <jakub@redhat.com>
5972 * tree.h (OMP_MASTER_COMBINED): Define.
5973 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
5974 handling for outer combined/composite constructs to a loop.
5975 Handle lastprivate on combined target.
5976 (gimplify_expr): Formatting fix.
5978 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
5980 * passes.def: Add sink_code pass before store_merging.
5981 * tree-ssa-sink.c (pass_sink_code:clone): New.
5983 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
5985 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
5986 rs6000_special_adjust_field_align_p.
5987 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
5988 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
5990 (rs6000_function_arg): Likewise.
5991 * config/rs6000/rs6000-protos.h
5992 (rs6000_special_adjust_field_align_p): Remove prototype.
5993 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
5995 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
5996 rs6000_special_adjust_field_align_p.
5998 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6001 * config/i386/i386.h (VALID_SSE2_REG_MODE):
6002 Add V4QI and V2HI modes.
6003 (VALID_INT_MODE_P): Ditto.
6004 * config/i386/mmx.md (VI_32): New mode iterator.
6005 (mmxvecsize): Handle V4QI and V2HI.
6007 (mov<VI_32:mode>): New expander.
6008 (*mov<mode>_internal): New insn pattern.
6009 (movmisalign<VI_32:mode>): New expander.
6010 (neg<VI_32:mode>): New expander.
6011 (<plusminus:insn><VI_32:mode>3): New expander.
6012 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
6013 (mulv2hi3): New expander.
6014 (*mulv2hi3): New insn pattern.
6015 (one_cmpl<VI_32:mode>2): New expander.
6016 (*andnot<VI_32:mode>3): New insn pattern.
6017 (<any_logic:code><VI_32:mode>3): New expander.
6018 (*<any_logic:code><VI_32:mode>3): New insn pattern.
6020 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6022 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
6023 Fix a mode mismatch with operand 1.
6025 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
6028 * config/i386/i386-expand.c (split_double_mode): Return
6029 temporary register when simplify_gen_subreg fails with
6030 the high half od the paradoxical subreg.
6032 2021-05-18 Richard Biener <rguenther@suse.de>
6034 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
6035 and honor it when expanding.
6036 (expand_used_vars_for_block): Pass through forced_stack_var.
6037 (expand_used_vars): Likewise.
6038 (discover_nonconstant_array_refs_r): Set bits in
6039 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
6040 (avoid_type_punning_on_regs): Likewise.
6041 (discover_nonconstant_array_refs): Likewise.
6042 (pass_expand::execute): Create and pass down forced_stack_var
6043 bitmap. For parameters and returns temporarily set
6044 TREE_ADDRESSABLE when expand_function_start.
6046 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
6048 * doc/sourcebuild.texi: Document 'dg-note'.
6050 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
6053 * configure: Regenerate.
6054 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
6056 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
6058 * gimple.h (is_gimple_omp_oacc): Tighten.
6059 * omp-low.c (check_omp_nesting_restrictions): Adjust.
6061 2021-05-18 Richard Biener <rguenther@suse.de>
6063 * tree-ssa-operands.c (mark_address_taken): Simplify.
6065 2021-05-18 Martin Liska <mliska@suse.cz>
6067 * config/gcn/mkoffload.c (STR): Redefine.
6068 * config/i386/intelmic-mkoffload.c (STR): Likewise.
6069 * config/nvptx/mkoffload.c (STR): Likewise.
6071 2021-05-18 Martin Liska <mliska@suse.cz>
6073 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
6074 Use startswith function instead of strncmp.
6075 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6076 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
6077 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
6078 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
6079 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
6080 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
6081 * config/arm/arm.c (arm_file_start): Likewise.
6082 (arm_valid_target_attribute_rec): Likewise.
6083 (thumb1_md_asm_adjust): Likewise.
6084 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
6085 * config/avr/avr.c (STR_PREFIX_P): Likewise.
6086 (avr_set_current_function): Likewise.
6087 (avr_handle_addr_attribute): Likewise.
6088 (avr_asm_output_aligned_decl_common): Likewise.
6089 (avr_asm_named_section): Likewise.
6090 (avr_section_type_flags): Likewise.
6091 (avr_asm_select_section): Likewise.
6092 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
6093 (c6x_section_type_flags): Likewise.
6094 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
6095 (darwin_objc_declare_unresolved_class_reference): Likewise.
6096 (darwin_objc_declare_class_definition): Likewise.
6097 * config/darwin.c (indirect_data): Likewise.
6098 (darwin_encode_section_info): Likewise.
6099 (darwin_objc2_section): Likewise.
6100 (darwin_objc1_section): Likewise.
6101 (machopic_select_section): Likewise.
6102 (darwin_globalize_label): Likewise.
6103 (darwin_label_is_anonymous_local_objc_name): Likewise.
6104 (darwin_asm_named_section): Likewise.
6105 (darwin_asm_output_dwarf_offset): Likewise.
6106 * config/frv/frv.c (frv_string_begins_with): Likewise.
6107 (frv_in_small_data_p): Likewise.
6108 * config/gcn/mkoffload.c (STR): Likewise.
6110 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
6111 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
6112 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
6113 (ix86_md_asm_adjust): Likewise.
6114 * config/i386/intelmic-mkoffload.c (STR): Likewise.
6115 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
6116 (i386_pe_file_end): Likewise.
6117 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
6118 (ia64_section_type_flags): Likewise.
6119 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
6120 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
6121 (mips16_stub_function_p): Likewise.
6122 (mips_function_rodata_section): Likewise.
6123 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
6124 (msp430_function_section): Likewise.
6125 (msp430_section_type_flags): Likewise.
6126 (msp430_expand_helper): Likewise.
6127 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
6128 (nios2_valid_target_attribute_rec): Likewise.
6129 * config/nvptx/mkoffload.c (process): Likewise.
6131 * config/pa/som.h: Likewise.
6132 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
6133 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
6134 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
6135 (rs6000_inner_target_options): Likewise.
6136 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
6137 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
6138 * config/vax/vax.c (vax_output_int_move): Likewise.
6139 * config/vms/vms-ld.c (startswith): Likewise.
6140 (process_args): Likewise.
6142 * config/vms/vms.c: Likewise.
6144 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6146 PR rtl-optimization/100590
6147 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
6148 they are NONJUMP_INSN_P.
6150 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6153 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
6154 DECL_ASSEMBLER_NAME on the fn_decl.
6156 2021-05-18 Jakub Jelinek <jakub@redhat.com>
6158 PR tree-optimization/94589
6159 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
6160 phi result used in (res & ~1) == 0 comparison as res >= 0 as
6161 res == 2 would be UB with -ffinite-math-only.
6163 2021-05-18 Martin Liska <mliska@suse.cz>
6165 * Makefile.in: genversion.o should depend on DATESTAMP.
6167 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
6169 * config/arc/simdext.md (negv2si2): Remove round bracket.
6171 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
6173 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
6174 _Bool as macro expanding to _Bool.
6176 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
6179 * tree.c (build_reference_type_for_mode)
6180 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
6182 (build_reference_type, build_pointer_type): Invoke
6183 build_*_type_for_mode with VOIDmode.
6185 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
6187 PR tree-optimization/100512
6188 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
6189 and non-zero pointer ranges as invariant.
6190 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
6191 processing from here.
6193 2021-05-17 Tom de Vries <tdevries@suse.de>
6196 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
6197 * config/nvptx/nvptx.c (nvptx_output_barrier)
6198 (nvptx_output_atomic_insn): New function.
6199 (nvptx_print_operand): Add support for 'B'.
6200 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
6203 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
6205 PR tree-optimization/100349
6206 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
6209 2021-05-17 Tamar Christina <tamar.christina@arm.com>
6211 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
6212 (host_detect_local_cpu): Use it.
6214 2021-05-17 Martin Liska <mliska@suse.cz>
6216 * doc/invoke.texi: Add 2 missing dots.
6218 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
6221 * configure.ac: Replace pattern substitution with call to sed.
6222 * configure: Regenerate.
6224 2021-05-17 Richard Biener <rguenther@suse.de>
6226 PR middle-end/100582
6227 * tree.c (array_at_struct_end_p): Get to the base of the
6228 reference before looking for the underlying decl.
6230 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
6232 * genoutput.c (validate_insn_alternatives) Make "wrong number of
6233 alternatives" message more specific, and remove assumption on where
6236 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6238 * config/arm/iterators.md (V16): New iterator.
6239 (VH_cvtto): New iterator.
6240 (v_cmp_result): Added V4HF and V8HF support.
6241 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
6242 (vcond<mode><mode>): Likewise.
6243 (vcond_mask_<mode><v_cmp_result>): Likewise.
6244 (vcond<VH_cvtto><mode>): New expander.
6246 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6248 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
6250 * config/arm/arm.c (arm_expand_vector_compare): Add support for
6252 (arm_expand_vcond): Likewise.
6253 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
6254 VCMPEQQ_N_S, VCMPNEQ_N_S.
6255 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
6256 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
6257 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
6258 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
6259 (@mve_vpselq_<supf><mode>): Likewise.
6260 (@mve_vpselq_f<mode>"): Likewise.
6261 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
6262 and move to vec-common.md.
6263 (vec_cmpu<mode><mode>): Likewise.
6264 (vcond<mode><mode>): Likewise.
6265 (vcond<V_cvtto><mode>): Likewise.
6266 (vcondu<mode><v_cmp_result>): Likewise.
6267 (vcond_mask_<mode><v_cmp_result>): Likewise.
6268 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
6269 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
6270 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
6271 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
6272 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
6273 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
6275 (vec_cmpu<mode><mode>): Likewise.
6276 (vcond<mode><mode>): Likewise.
6277 (vcond<V_cvtto><mode>): Likewise.
6278 (vcondu<mode><v_cmp_result>): Likewise.
6279 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
6282 2021-05-17 liuhongt <hongtao.liu@intel.com>
6285 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
6286 gsi_insert_seq_before instead.
6288 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6290 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
6291 (arm_sat_ok): ...this.
6293 2021-05-17 Martin Liska <mliska@suse.cz>
6295 * lto-wrapper.c (merge_flto_options): Factor out a new function.
6296 (merge_and_complain): Use it.
6297 (run_gcc): Merge also linker command line -flto=foo argument
6300 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
6302 * config/arm/arm.h (CPP_SPEC): Remove error message about
6303 -mlittle-endian/-mbig-endian conflict.
6305 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6307 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
6308 __ROP_PROTECT__ if -mrop-protect is selected.
6310 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6312 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
6313 rop_hash_save_offset and rop_hash_size.
6314 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
6315 rop_hash_size and rop_hash_save_offset.
6316 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
6317 (rs6000_emit_prologue): Emit hashst[p] in prologue.
6318 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
6319 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
6321 (hashst): New define_insn.
6322 (hashchk): Likewise.
6324 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6326 * config/rs6000/rs6000.c (rs6000_option_override_internal):
6327 Disable shrink wrap when inserting ROP-protect instructions.
6328 * config/rs6000/rs6000.opt (mrop-protect): New option.
6329 (mprivileged): Likewise.
6330 * doc/invoke.texi: Document mrop-protect and mprivileged.
6332 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
6334 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
6337 2021-05-15 Martin Jambor <mjambor@suse.cz>
6340 2021-05-13 Martin Jambor <mjambor@suse.cz>
6342 PR tree-optimization/100453
6343 * tree-sra.c (sra_modify_assign): All const base accesses do not
6344 need refreshing, not just those from decl_pool.
6345 (sra_modify_assign): Do not refresh into a const base decl.
6347 2021-05-15 Jakub Jelinek <jakub@redhat.com>
6349 PR rtl-optimization/100342
6350 * regcprop.c (copy_value): When copying a source reg in a wider
6351 mode than it has recorded for the value, adjust recorded destination
6352 mode too or punt if !REG_CAN_CHANGE_MODE_P.
6354 2021-05-14 Jason Merrill <jason@redhat.com>
6356 * intl.h: Add comments.
6358 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6360 * config/aarch64/aarch64-simd.md
6361 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
6362 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
6363 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
6364 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
6365 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
6366 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
6367 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
6368 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
6369 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
6371 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
6374 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
6375 boolean logic equivalent.
6376 (vtst_s16): Likewise.
6377 (vtst_s32): Likewise.
6378 (vtst_u8): Likewise.
6379 (vtst_u16): Likewise.
6380 (vtst_u32): Likewise.
6381 (vtst_p8): Likewise.
6382 (vtst_p16): Likewise.
6383 (vtstq_s8): Likewise.
6384 (vtstq_s16): Likewise.
6385 (vtstq_s32): Likewise.
6386 (vtstq_u8): Likewise.
6387 (vtstq_u16): Likewise.
6388 (vtstq_u32): Likewise.
6389 (vtstq_p8): Likewise.
6390 (vtstq_p16): Likewise.
6391 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
6392 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
6394 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6396 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
6397 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
6398 (aarch64_sqdmlsl2<mode>): Delete.
6399 (aarch64_sqdmlal2_lane<mode>): Merge this...
6400 (aarch64_sqdmlsl2_lane<mode>): ... And this...
6401 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
6402 (aarch64_sqdmlal2_laneq<mode>): Merge this...
6403 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
6404 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
6405 (aarch64_sqdmlal2_n<mode>): Merge this...
6406 (aarch64_sqdmlsl2_n<mode>): ... And this...
6407 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
6409 2021-05-13 Martin Sebor <msebor@redhat.com>
6411 PR middle-end/100574
6412 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
6415 2021-05-13 Martin Sebor <msebor@redhat.com>
6417 PR tree-optimization/93100
6419 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
6420 don't modify referenced objects.
6422 2021-05-13 Martin Jambor <mjambor@suse.cz>
6424 PR tree-optimization/100453
6425 * tree-sra.c (sra_modify_assign): All const base accesses do not
6426 need refreshing, not just those from decl_pool.
6427 (sra_modify_assign): Do not refresh into a const base decl.
6429 2021-05-13 Martin Liska <mliska@suse.cz>
6431 * tree-ssa-dom.c: Remove m_simplifier.
6433 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
6436 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
6437 canonicalize DImode inequality comparisons against the
6438 maximum integral value.
6440 2021-05-13 Jakub Jelinek <jakub@redhat.com>
6442 PR tree-optimization/98856
6443 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
6444 Expect V2DI and V4DI arithmetic right shifts to be emulated.
6445 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
6447 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
6448 expand_vec_perm_2perm_pblendv): New functions.
6449 (ix86_expand_vec_perm_const_1): Use them.
6450 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
6451 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
6452 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
6453 (ashrv4di3): New define_expand.
6454 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
6455 and !TARGET_AVX512VL expansion.
6457 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
6460 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
6461 sizes < 16 to a register when constructing vpcmov pattern.
6462 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
6464 2021-05-13 Martin Liska <mliska@suse.cz>
6466 * gcov-io.c (gcov_write_block): Remove.
6467 (gcov_write_words): Likewise.
6468 (gcov_read_words): Re-implement using gcov_read_bytes.
6469 (gcov_allocate): Remove.
6470 (GCOV_BLOCK_SIZE): Likewise.
6471 (struct gcov_var): Remove most of the fields.
6472 (gcov_position): Implement with ftell.
6473 (gcov_rewrite): Remove setting of start and offset fields.
6474 (from_file): Re-format.
6475 (gcov_open): Remove setbuf call. It should not be needed.
6476 (gcov_close): Remove internal buffer handling.
6477 (gcov_magic): Use __builtin_bswap32.
6478 (gcov_write_counter): Use directly gcov_write_unsigned.
6479 (gcov_write_string): Use direct fwrite and do not round
6481 (gcov_seek): Use directly fseek.
6482 (gcov_write_tag): Use gcov_write_unsigned directly.
6483 (gcov_write_length): Likewise.
6484 (gcov_write_tag_length): Likewise.
6485 (gcov_read_bytes): Use directly fread.
6486 (gcov_read_unsigned): Use gcov_read_words.
6487 (gcov_read_counter): Likewise.
6488 (gcov_read_string): Use gcov_read_bytes.
6489 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
6490 that size is not in bytes, but words (4B).
6491 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
6492 (GCOV_TAG_ARCS_LENGTH): Likewise.
6493 (GCOV_TAG_ARCS_NUM): Likewise.
6494 (GCOV_TAG_COUNTER_LENGTH): Likewise.
6495 (GCOV_TAG_COUNTER_NUM): Likewise.
6496 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
6498 2021-05-13 liuhongt <hongtao.liu@intel.com>
6501 * config/i386/sse.md (ssedoublevecmode): Add attribute for
6502 V64QI/V32HI/V16SI/V4DI.
6503 (ssehalfvecmode): Add attribute for V2DI/V2DF.
6504 (*vec_concatv4si_0): Extend to VI124_128.
6505 (*vec_concat<mode>_0): New pre-reload splitter.
6506 * config/i386/predicates.md (movq_parallel): New predicate.
6508 2021-05-13 Alexandre Oliva <oliva@adacore.com>
6510 * targhooks.c (default_zero_call_used_regs): Retry using
6511 successfully-zeroed registers as sources.
6513 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
6515 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
6517 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
6520 * gimple-range.cc (range_of_builtin_call): Skip out on
6521 processing __builtin_clz when varying.
6523 2021-05-12 Tom de Vries <tdevries@suse.de>
6526 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
6527 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
6528 to ptx_version_option.
6529 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
6530 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
6531 (define_insn "nvptx_vote_ballot"): Use sync variant for
6533 * config/nvptx/nvptx.opt (ptx_version): Add enum.
6535 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
6537 2021-05-12 Richard Biener <rguenther@suse.de>
6539 PR tree-optimization/100566
6540 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
6541 allow_back for all edge queries.
6543 2021-05-12 liuhongt <hongtao.liu@intel.com>
6546 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
6547 splitters for pblendvb of NOT mask register.
6549 2021-05-12 Richard Biener <rguenther@suse.de>
6551 PR tree-optimization/100519
6552 * tree-ssa-reassoc.c (can_associate_p): Split into...
6553 (can_associate_op_p): ... this
6554 (can_associate_type_p): ... and this.
6555 (is_reassociable_op): Call can_associate_op_p.
6556 (break_up_subtract_bb): Call the appropriate predicates.
6557 (reassociate_bb): Likewise.
6559 2021-05-12 Martin Liska <mliska@suse.cz>
6561 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
6562 (run_gcc): Use -flto argument detection for merged
6565 2021-05-12 Martin Liska <mliska@suse.cz>
6567 * lto-wrapper.c (print_lto_docs_link): New function.
6568 (run_gcc): Print warning about missing job server detection
6569 after we know NR of partitions. Do the same for -flto{,=1}.
6570 * opts.c (get_option_html_page): Support -flto option.
6572 2021-05-12 Martin Liska <mliska@suse.cz>
6574 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
6576 (append_option): Remove.
6577 (find_option): Rework to use the vector type.
6578 (remove_option): Remove.
6579 (merge_and_complain): Use vectors for cl_decoded_option data
6581 (append_compiler_options): Likewise.
6582 (append_diag_options): Likewise.
6583 (append_linker_options): Likewise.
6584 (append_offload_options): Likewise.
6585 (compile_offload_image): Likewise.
6586 (compile_images_for_offload_targets): Likewise.
6587 (find_and_merge_options): Likewise.
6588 (run_gcc): Likewise.
6590 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
6593 * dwarf2out.c (dwarf2out_finish): Set
6594 have_multiple_function_sections with multi-range text_section.
6596 2021-05-12 Martin Liska <mliska@suse.cz>
6599 * Makefile.in: Remove version.h from linker command line.
6601 2021-05-12 Richard Biener <rguenther@suse.de>
6603 PR middle-end/100547
6604 * rtl.h (rtvec_alloc): Make argument size_t.
6605 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
6607 2021-05-12 Jakub Jelinek <jakub@redhat.com>
6609 PR middle-end/100508
6610 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
6611 type, don't reuse DECL_RTL if it has different mode, instead force
6612 creation of a new DEBUG_EXPR.
6614 2021-05-12 Jakub Jelinek <jakub@redhat.com>
6615 Marc Glisse <marc.glisse@inria.fr>
6617 PR tree-optimization/94589
6618 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
6619 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
6621 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
6624 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
6625 * config/i386/mmx.md (MMXMODE124): New mode iterator.
6627 (mmxintvecmode): New mode attribute.
6628 (mmxintvecmodelower): Ditto.
6629 (*mmx_maskcmpv2sf3_comm): New insn pattern.
6630 (*mmx_maskcmpv2sf3): Ditto.
6631 (vec_cmpv2sfv2si): New expander.
6632 (vcond<V2FI:mode>v2si): Ditto.
6633 (mmx_vlendvps): New insn pattern.
6634 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
6635 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
6636 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
6638 2021-05-11 Martin Sebor <msebor@redhat.com>
6641 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
6643 2021-05-11 Richard Biener <rguenther@suse.de>
6645 * gimple-fold.c (gimple_fold_call): Do not call
6646 maybe_fold_reference on call arguments or the static chain.
6647 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
6650 2021-05-11 Martin Liska <mliska@suse.cz>
6652 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
6653 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
6654 (DEF_HSAIL_SAT_BUILTIN): Likewise.
6655 (DEF_HSAIL_INTR_BUILTIN): Likewise.
6656 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
6657 * doc/frontends.texi: Remove BRIG.
6658 * doc/install.texi: Likewise.
6659 * doc/invoke.texi: Likewise.
6660 * doc/standards.texi: Likewise.
6661 * brig-builtins.def: Removed.
6662 * brig/ChangeLog: Removed.
6663 * brig/Make-lang.in: Removed.
6664 * brig/brig-builtins.h: Removed.
6665 * brig/brig-c.h: Removed.
6666 * brig/brig-lang.c: Removed.
6667 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
6668 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
6669 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
6670 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
6671 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
6672 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
6673 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
6674 * brig/brigfrontend/brig-comment-handler.cc: Removed.
6675 * brig/brigfrontend/brig-control-handler.cc: Removed.
6676 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
6677 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
6678 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
6679 * brig/brigfrontend/brig-function-handler.cc: Removed.
6680 * brig/brigfrontend/brig-function.cc: Removed.
6681 * brig/brigfrontend/brig-function.h: Removed.
6682 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
6683 * brig/brigfrontend/brig-label-handler.cc: Removed.
6684 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
6685 * brig/brigfrontend/brig-machine.c: Removed.
6686 * brig/brigfrontend/brig-machine.h: Removed.
6687 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
6688 * brig/brigfrontend/brig-module-handler.cc: Removed.
6689 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
6690 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
6691 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
6692 * brig/brigfrontend/brig-to-generic.cc: Removed.
6693 * brig/brigfrontend/brig-to-generic.h: Removed.
6694 * brig/brigfrontend/brig-util.cc: Removed.
6695 * brig/brigfrontend/brig-util.h: Removed.
6696 * brig/brigfrontend/brig-variable-handler.cc: Removed.
6697 * brig/brigfrontend/hsa-brig-format.h: Removed.
6698 * brig/brigfrontend/phsa.h: Removed.
6699 * brig/brigspec.c: Removed.
6700 * brig/config-lang.in: Removed.
6701 * brig/gccbrig.texi: Removed.
6702 * brig/lang-specs.h: Removed.
6703 * brig/lang.opt: Removed.
6705 2021-05-11 Richard Biener <rguenther@suse.de>
6708 * ipa-param-manipulation.c
6709 (ipa_param_body_adjustments::modify_call_stmt): Avoid
6710 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
6711 via gimple_call_lhs_ptr.
6713 2021-05-11 Alex Coplan <alex.coplan@arm.com>
6716 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
6717 Avoid emitting CFA adjusts on the sp if we have the fp.
6719 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
6721 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
6722 (VMULD): New iterator.
6723 (VCOND): Handle V4HF and V8HF.
6724 (VCONQ): Fix entry for V2SF.
6725 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
6726 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
6727 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
6728 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
6729 Use a 128-bit vector mode for the indexed operand. Use stype for
6730 the scheduling type.
6732 2021-05-11 Richard Biener <rguenther@suse.de>
6734 * gimple-fold.c (maybe_fold_reference): Only return
6735 is_gimple_min_invariant values.
6737 2021-05-11 Richard Biener <rguenther@suse.de>
6739 PR middle-end/100509
6740 * gimple-fold.c (fold_gimple_assign): Only call
6741 get_symbol_constant_value on register type symbols.
6743 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
6744 Joe Ramsay <joe.ramsay@arm.com>
6747 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
6748 (__arm_vcmpneq): Remove duplicate definition.
6749 (__arm_vstrwq_scatter_offset_p): Likewise.
6750 (__arm_vmaxq_x): Likewise.
6751 (__arm_vmlsdavaq): Likewise.
6752 (__arm_vmlsdavaxq): Likewise.
6753 (__arm_vmlsdavq_p): Likewise.
6754 (__arm_vmlsdavxq_p): Likewise.
6755 (__arm_vrmlaldavhaq): Likewise.
6756 (__arm_vstrbq_p): Likewise.
6757 (__arm_vstrbq_scatter_offset): Likewise.
6758 (__arm_vstrbq_scatter_offset_p): Likewise.
6759 (__arm_vstrdq_scatter_offset): Likewise.
6760 (__arm_vstrdq_scatter_offset_p): Likewise.
6761 (__arm_vstrdq_scatter_shifted_offset): Likewise.
6762 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
6764 2021-05-11 Jakub Jelinek <jakub@redhat.com>
6766 PR middle-end/100471
6767 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
6768 is 0, bypass the reduction loop including
6769 GOMP_taskgroup_reduction_unregister call.
6771 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
6773 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
6775 (rs6000_density_test): Early return if costing_for_scalar is true.
6776 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
6778 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
6780 * doc/tm.texi: Regenerated.
6781 * target.def (init_cost): Add new parameter costing_for_scalar.
6782 * targhooks.c (default_init_cost): Adjust for new parameter.
6783 * targhooks.h (default_init_cost): Likewise.
6784 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
6785 (vect_compute_single_scalar_iteration_cost): Likewise.
6786 (vect_analyze_loop_2): Likewise.
6787 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
6788 (vect_bb_vectorization_profitable_p): Likewise.
6789 * tree-vectorizer.h (init_cost): Likewise.
6790 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
6791 * config/i386/i386.c (ix86_init_cost): Likewise.
6792 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
6794 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
6796 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
6797 vect_nonmem and moved into...
6798 (struct rs6000_cost_data): ...here.
6799 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
6800 (rs6000_add_stmt_cost): Likewise.
6801 (rs6000_finish_cost): Likewise.
6803 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
6805 * range-op.cc (get_bool_state): Adjust head comment.
6806 (operator_not_equal::op1_range): Fix comment.
6807 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
6809 2021-05-10 Martin Sebor <msebor@redhat.com>
6811 PR middle-end/100425
6812 PR middle-end/100510
6813 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
6814 (pass_walloca::xlimit_certain_p): ...to this.
6815 (pass_walloca::gate): Execute for any kind of handled warning.
6816 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
6817 warnings when xlimit_certain_p is set.
6819 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
6821 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
6822 Return ALTIVEC_REGS if that is best_class.
6823 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
6825 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6827 * config/arm/arm.h (CPP_SPEC): Remove error message about
6830 2021-05-10 Martin Jambor <mjambor@suse.cz>
6832 * ipa-prop.h (IPA_NODE_REF): Removed.
6833 (IPA_NODE_REF_GET_CREATE): Likewise.
6834 (IPA_EDGE_REF): Likewise.
6835 (IPA_EDGE_REF_GET_CREATE): Likewise.
6836 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
6837 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
6838 use of ipa_node_params_sum.
6839 (ipcp_versionable_function_p): Likewise.
6840 (push_node_to_stack): Likewise.
6841 (pop_node_from_stack): Likewise.
6842 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
6843 direct use of ipa_node_params_sum.
6844 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
6845 ipa_node_params_sum.
6846 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
6848 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
6849 use of ipa_node_params_sum.
6850 (self_recursively_generated_p): Likewise.
6851 (propagate_scalar_across_jump_function): Likewise.
6852 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
6853 direct use of ipa_edge_args_sum, moved the lookup after the early
6854 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
6855 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
6856 direct uses of ipa_node_params_sum.
6857 (propagate_vr_across_jump_function): Likewise.
6858 (propagate_aggregate_lattice): Likewise.
6859 (propagate_aggs_across_jump_function): Likewise.
6860 (propagate_constants_across_call): Likewise, also replaced
6861 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
6862 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
6863 of ipa_node_params_sum.
6864 (estimate_local_effects): Likewise.
6865 (add_all_node_vals_to_toposort): Likewise.
6866 (propagate_constants_topo): Likewise.
6867 (ipcp_propagate_stage): Likewise.
6868 (ipcp_discover_new_direct_edges): Likewise.
6869 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
6870 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
6871 (get_info_about_necessary_edges): Likewise.
6872 (want_remove_some_param_p): Likewise.
6873 (create_specialized_node): Likewise.
6874 (self_recursive_pass_through_p): Likewise.
6875 (self_recursive_agg_pass_through_p): Likewise.
6876 (find_more_scalar_values_for_callers_subset): Likewise and also
6877 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
6878 case replacing two of those with a single query.
6879 (find_more_contexts_for_caller_subset): Likewise for the
6880 ipa_polymorphic_call_context overload.
6881 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
6882 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
6883 ipa_node_params_sum.
6884 (find_aggregate_values_for_callers_subset): Likewise, also reusing
6885 results of ipa_edge_args_sum->get.
6886 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
6887 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
6888 direct use of ipa_edge_args_sum.
6889 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
6890 summary query after the early exit and reused the result later.
6891 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
6892 ipa_node_params_sum.
6893 (decide_whether_version_node): Likewise. Removed re-querying for
6894 summaries after cloning.
6895 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
6896 ipa_node_params_sum.
6897 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
6899 (identify_dead_nodes): Likewise.
6900 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
6901 ipa_node_params_sum.
6902 (ipcp_store_vr_results): Likewise.
6903 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
6904 (ipa_fn_summary_t::duplicate): Likewise.
6905 (analyze_function_body): Likewise.
6906 (estimate_calls_size_and_time): Likewise.
6907 (ipa_cached_call_context::duplicate_from): Likewise.
6908 (ipa_call_context::equal_to): Likewise.
6909 (remap_edge_params): Likewise.
6910 (ipa_merge_fn_summary_after_inlining): Likewise.
6911 (inline_read_section): Likewise.
6912 * ipa-icf.c (sem_function::param_used_p): Likewise.
6913 * ipa-modref.c (compute_parm_map): Likewise.
6914 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
6916 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
6917 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
6919 * ipa-profile.c (check_argument_count): Likewise.
6920 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
6921 with a direct use of ipa_node_params_sum.
6922 (ipa_initialize_node_params): Likewise.
6923 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
6924 direct use of ipa_edge_args_sum and reused the query result.
6925 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
6926 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
6927 direct use of ipa_edge_args_sum.
6928 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
6929 ipa_node_params_sum and reused the result of the query.
6930 (ipa_analyze_node): Likewise.
6931 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
6932 of ipa_node_params_sum.
6933 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
6934 direct uses of ipa_edge_args_sum.
6935 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
6936 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
6937 direct use of ipa_edge_args_sum. Removed superficial re-querying the
6939 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
6940 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
6942 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
6943 direct use of ipa_edge_args_sum.
6944 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
6945 use of ipa_node_params_sum.
6946 (ipa_print_node_params): Likewise.
6947 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
6948 direct uses of ipa_edge_args_sum.
6949 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
6951 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
6952 ipa_node_params_sum.
6953 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
6954 scopes where it is used.
6956 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
6958 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
6959 <case E_V2SImode>: Force op_true to register.
6961 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6963 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
6964 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
6965 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
6967 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
6968 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
6969 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
6970 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
6971 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
6972 (mve_vcmpneq_n_f<mode>): Remove.
6973 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
6974 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
6975 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
6977 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6979 * config/arm/iterators.md (MVE_COMPARISONS): New.
6981 (mve_cmp_type): New.
6982 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
6984 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
6985 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
6986 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
6987 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
6988 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
6989 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
6990 (mve_vcmpneq_n_<mode>): Remove.
6992 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6994 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
6995 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
6996 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
6999 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7001 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
7002 (vcmpneq_n_u): Likewise.
7003 (vcmpeqq_u,): Likewise.
7004 (vcmpeqq_n_u): Likewise.
7005 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
7006 VCMPEQQ_N_U and VCMPNEQ_N_U.
7007 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
7008 (mve_vcmpeqq_n): Likewise.
7009 (mve_vcmpeqq): Likewise.
7010 (mve_vcmpneq_n): Likewise.
7012 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
7014 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
7015 the 's' version of the builtin.
7017 2021-05-10 Richard Biener <rguenther@suse.de>
7019 PR tree-optimization/100492
7020 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
7021 Find nothing when the loop contains an irreducible region.
7023 2021-05-10 Richard Biener <rguenther@suse.de>
7025 PR middle-end/100464
7027 * gimple-fold.c (canonicalize_constructor_val): Do not set
7030 2021-05-10 Richard Biener <rguenther@suse.de>
7032 PR tree-optimization/100434
7033 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
7035 (dse_optimize_stmt): Handle call LHS by dropping the
7036 LHS or the whole call if it doesn't have other
7038 (pass_dse::execute): Adjust.
7040 2021-05-10 Martin Liska <mliska@suse.cz>
7042 * Makefile.in: Add missing genversion rule.
7044 2021-05-10 Alex Coplan <alex.coplan@arm.com>
7047 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
7048 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
7050 2021-05-10 Martin Liska <mliska@suse.cz>
7052 * builtins.c (is_builtin_name): Use startswith
7053 function instead of strncmp.
7054 * collect2.c (main): Likewise.
7055 (has_lto_section): Likewise.
7056 (scan_libraries): Likewise.
7057 * coverage.c (coverage_checksum_string): Likewise.
7058 (coverage_init): Likewise.
7059 * dwarf2out.c (is_cxx): Likewise.
7060 (gen_compile_unit_die): Likewise.
7061 * gcc-ar.c (main): Likewise.
7062 * gcc.c (init_spec): Likewise.
7063 (read_specs): Likewise.
7064 (execute): Likewise.
7065 (check_live_switch): Likewise.
7066 * genattrtab.c (write_attr_case): Likewise.
7067 (IS_ATTR_GROUP): Likewise.
7068 * gencfn-macros.c (main): Likewise.
7069 * gengtype.c (type_for_name): Likewise.
7070 (gen_rtx_next): Likewise.
7071 (get_file_langdir): Likewise.
7072 (write_local): Likewise.
7073 * genmatch.c (get_operator): Likewise.
7074 (get_operand_type): Likewise.
7075 (expr::gen_transform): Likewise.
7076 * genoutput.c (validate_optab_operands): Likewise.
7077 * incpath.c (add_sysroot_to_chain): Likewise.
7078 * langhooks.c (lang_GNU_C): Likewise.
7079 (lang_GNU_CXX): Likewise.
7080 (lang_GNU_Fortran): Likewise.
7081 (lang_GNU_OBJC): Likewise.
7082 * lto-wrapper.c (run_gcc): Likewise.
7083 * omp-general.c (omp_max_simt_vf): Likewise.
7084 * omp-low.c (omp_runtime_api_call): Likewise.
7085 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
7086 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
7087 * real.c (real_from_string): Likewise.
7088 * selftest.c (assert_str_startswith): Likewise.
7089 * timevar.c (timer::validate_phases): Likewise.
7090 * tree.c (get_file_function_name): Likewise.
7091 * ubsan.c (ubsan_use_new_style_p): Likewise.
7092 * varasm.c (default_function_rodata_section): Likewise.
7093 (incorporeal_function_p): Likewise.
7094 (default_section_type_flags): Likewise.
7095 * system.h (startswith): Define startswith.
7097 2021-05-10 Martin Liska <mliska@suse.cz>
7099 * bitmap.h (class auto_bitmap): Remove
7100 __cplusplus >= 201103.
7101 * config/aarch64/aarch64.c: Likewise.
7102 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
7104 * sbitmap.h: Likewise.
7106 2021-05-10 Martin Liska <mliska@suse.cz>
7108 * Makefile.in: Rename gcov-iov to genversion and depend
7109 on version.h (instead of gcov-iov.h).
7110 * gcov-io.h: Include version.h instread of gcov-iov.h.
7111 * gengtype-state.c (read_state_version): Likewise.
7112 * gcov-iov.c: Moved to...
7113 * genversion.c: ...here.
7114 * lto-streamer.h (LTO_major_version): Define it with
7116 * version.c: Removed.
7117 * version.h: Removed.
7119 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7121 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
7122 * config/arc/simdext.md (VCT): Add predicates for iterator
7126 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
7127 (<voptab>v2si3): New patterns.
7129 (reduc_plus_scal_v4hi): Likewise.
7130 (reduc_plus_scal_v2si): Likewise.
7131 (vec_duplicatev2si): Likewise.
7132 (vec_duplicatev4hi): Likewise.
7134 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7136 * config/arc/simdext.md: Format and cleanup file.
7138 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7140 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
7141 only when munaligned-access option is on.
7142 (movmisalign<mode>): Likewise.
7144 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7146 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
7148 * config/arc/arc.c (arc_reorg): Remove underscore from string.
7150 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7152 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7153 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
7154 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
7158 (clzsi2): Use fls instruction when available.
7159 (arc_clzsi2): Likewise.
7161 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7163 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
7165 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
7167 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
7169 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
7171 PR middle-end/100467
7172 * toplev.c (compile_file): Call insn_locations_init before
7173 targetm.asm_out.code_end.
7175 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7178 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7180 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
7182 2021-05-07 Jakub Jelinek <jakub@redhat.com>
7183 Andrew Stubbs <amd@codesourcery.com>
7186 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
7187 emit_move_insn operands.
7189 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
7191 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
7192 location for the outgoing edges of an empty block.
7193 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
7194 type by means of the get_array_descr_info langhook, if it is set and
7195 returns true. Remove obsolete code dealing with unnamed subtypes.
7197 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7199 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
7200 (sbr_vector): Renamed from ssa_block_cache.
7201 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
7202 (ssa_block_ranges::~ssa_block_ranges): Remove.
7203 (sbr_vector::set_bb_range): Use varying and undefined cached values.
7204 (ssa_block_ranges::set_bb_varying): Remove.
7205 (sbr_vector::get_bb_range): Adjust assert.
7206 (sbr_vector::bb_range_p): Adjust assert.
7207 (~block_range_cache): No freeing loop required.
7208 (block_range_cache::get_block_ranges): Remove.
7209 (block_range_cache::set_bb_range): Inline get_block_ranges.
7210 (block_range_cache::set_bb_varying): Remove.
7211 * gimple-range-cache.h (set_bb_varying): Remove prototype.
7212 * value-range.h (irange_allocator::get_memory): New.
7214 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7216 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
7217 dominator tree is available and requested.
7218 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
7219 (ranger_cache::fill_block_cache): Don't search dom tree here either.
7220 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
7222 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7224 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
7225 only PHI nodes better.
7227 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7229 * gimple-range-edge.h (gimple_outgoing_range): Rename from
7231 (gcond_edge_range): Export prototype.
7232 * gimple-range-edge.cc (gcond_edge_range): New.
7233 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
7234 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
7236 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7238 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
7239 default range into a temp and allocate only what is needed.
7241 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7243 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
7245 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
7247 * gimple-range.h (gimple_range_global): Pick up parameter initial
7248 values, and use-before defined locals are UNDEFINED.
7250 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
7252 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
7254 * tree.h (reverse_storage_order_for_component_p): Return false if
7255 the type is a pointer.
7257 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
7259 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
7261 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
7264 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
7265 Handle V8QI, V4HI and V2SI modes.
7266 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
7267 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
7268 * config/i386/i386.md (unspec): ... here.
7270 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
7271 Tom de Vries <tdevries@suse.de>
7273 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
7274 a truth_value_p reduction variable is nonintegral.
7276 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
7279 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
7280 Return false for mode sizes < 16.
7282 2021-05-07 Jakub Jelinek <jakub@redhat.com>
7285 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
7287 2021-05-06 Martin Jambor <mjambor@suse.cz>
7289 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
7290 when there is no function summary.
7291 (ipa_sra_summarize_function): produce edge summaries even when
7294 2021-05-06 Tom Tromey <tom@tromey.com>
7296 * godump.c (string_hash_eq): Remove.
7297 (go_finish): Use htab_eq_string.
7299 2021-05-06 Tom Tromey <tom@tromey.com>
7301 * gengtype-state.c (read_state): Use htab_eq_string.
7302 (string_eq): Remove.
7304 2021-05-06 Tom Tromey <tom@tromey.com>
7306 * gensupport.c (htab_eq_string): Remove.
7308 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
7311 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
7312 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
7313 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
7314 set_ignored_loc callbacks.
7315 * debug.c (do_nothing_debug_hooks): Likewise.
7316 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
7317 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
7318 (in_text_section_p, last_text_label, last_cold_label,
7319 switch_text_ranges, switch_cold_ranges): New data items.
7320 (dwarf2out_note_section_used): Remove.
7321 (dwarf2out_begin_prologue): Set fde->ignored_debug and
7323 (mark_ignored_debug_section): New helper function.
7324 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
7325 mark_ignored_debug_section.
7326 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
7327 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
7328 (size_of_aranges): Adjust formula for multi-part text ranges size.
7329 (output_aranges): Output multi-part text ranges.
7330 (dwarf2out_set_ignored_loc): New callback function.
7331 (dwarf2out_finish): Output multi-part text ranges.
7332 (dwarf2out_c_finalize): Clear new data items.
7333 * final.c (final_start_function_1): Call set_ignored_loc callback.
7334 (final_scan_insn_1): Likewise.
7335 * ggc-page.c (gt_ggc_mx): New helper function.
7336 * stringpool.c (gt_pch_nx): Likewise.
7338 2021-05-06 Richard Biener <rguenther@suse.de>
7340 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
7341 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
7342 (TV_TREE_INTO_SSA): New.
7343 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
7344 (rewrite_blocks): Likewise.
7345 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
7347 2021-05-06 Jakub Jelinek <jakub@redhat.com>
7349 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
7350 abs_replacement, xor_replacement,
7351 cond_removal_in_popcount_clz_ctz_pattern,
7352 replace_phi_edge_with_variable): Change type of phi argument from
7355 2021-05-06 Richard Biener <rguenther@suse.de>
7357 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
7358 Output an opt-info message.
7359 (do_split_loop_on_cond): Likewise.
7360 (tree_ssa_split_loops): Update SSA form here.
7362 2021-05-06 Richard Biener <rguenther@suse.de>
7364 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
7365 return variable removal.
7367 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
7369 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
7370 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
7371 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
7373 * config/s390/s390.c (s390_const_operand_ok): Remove unused
7376 2021-05-06 Jakub Jelinek <jakub@redhat.com>
7378 PR tree-optimization/94589
7379 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
7380 spaceship_replacement.
7381 (cond_only_block_p, spaceship_replacement): New functions.
7383 2021-05-06 Richard Biener <rguenther@suse.de>
7386 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
7387 dealing with a debug use and only query existing addresses
7389 (lower_emutls_1): Avoid splitting out addresses for debug
7390 stmts, reset the debug stmt when we fail to find existing
7392 (lower_emutls_phi_arg): Set wi.stmt.
7394 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
7397 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
7398 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
7399 (stack_protect_test): Use cbranch helper.
7401 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7404 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
7405 always return the establisher frame for __builtin_frame_address (0).
7407 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
7410 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
7411 (ix86_cpu_model_var): Likewise.
7412 (ix86_cpu_features2_type_node): Likewise.
7413 (ix86_cpu_features2_var): Likewise.
7414 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
7417 2021-05-05 Martin Sebor <msebor@redhat.com>
7419 * passes.def (pass_warn_printf): Run after SSA.
7421 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7423 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
7424 * config/arm/predicates.md (minus_one_operand): New predicate.
7426 2021-05-05 Jeff Law <jlaw@tachyum.com>
7428 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
7430 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
7432 PR rtl-optimization/100263
7433 * postreload.c (move2add_valid_value_p): Ensure register can
7436 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7438 PR rtl-optimization/100411
7439 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
7440 and beginning of function markers.
7442 2021-05-05 Jeff Law <jlaw@tachyum.com>
7444 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
7445 * config/cr16/cr16.c (notice_update_cc): Remove.
7446 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
7448 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
7451 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
7452 Handle V8QI, V4HI and V2SI modes.
7453 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
7454 (ix86_build_signbit_mask): Ditto.
7455 * config/i386/mmx.md (MMXMODE14): New mode iterator.
7456 (<smaxmin:code><MMXMODE14:mode>3): New expander.
7457 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
7458 (<umaxmin:code><MMXMODE24:mode>3): New expander.
7459 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
7460 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
7461 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7462 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7463 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7464 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7466 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7468 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
7469 not expand the VALUE_EXPR of variables put in the non-local frame.
7470 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
7471 to be ignored for debug info, ensure its variable offsets are not.
7473 2021-05-05 Richard Biener <rguenther@suse.de>
7475 PR tree-optimization/79333
7476 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
7477 Fold stmt following SSA edges.
7479 2021-05-05 Richard Biener <rguenther@suse.de>
7481 PR middle-end/100394
7482 * calls.c (expand_call): Preserve possibly throwing calls.
7483 * cfgexpand.c (expand_call_stmt): When a call can throw signal
7484 RTL expansion there are side-effects.
7485 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
7486 mark all possibly throwing stmts necessary unless we can elide
7488 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
7489 -fdelete-dead-exceptions.
7490 * tree.h (DECL_PURE_P): Add note about exceptions.
7492 2021-05-05 Alexandre Oliva <oliva@adacore.com>
7494 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
7497 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
7499 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
7500 get_fnname_from_decl for name of thunk.
7501 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
7502 and ASM_OUTPUT_LABEL.
7503 (rs6000_xcoff_declare_function_name): Use assemble_name and
7505 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
7506 (rs6000_xcoff_encode_section_info): Don't add mapping class
7507 for aliases. Always add [DS] mapping class to primary
7509 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
7511 2021-05-04 Martin Sebor <msebor@redhat.com>
7513 PR middle-end/100307
7514 * builtins.c (compute_objsize_r): Clear base0 for pointers.
7516 2021-05-04 Jeff Law <jlaw@tachyum.com>
7518 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
7520 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7522 * caller-save.c: Remove CC0.
7523 * cfgcleanup.c: Remove CC0.
7524 * cfgrtl.c: Remove CC0.
7525 * combine.c: Remove CC0.
7526 * compare-elim.c: Remove CC0.
7527 * conditions.h: Remove CC0.
7528 * config/h8300/h8300.h: Remove CC0.
7529 * config/h8300/h8300-protos.h: Remove CC0.
7530 * config/h8300/peepholes.md: Remove CC0.
7531 * config/i386/x86-tune-sched.c: Remove CC0.
7532 * config/m68k/m68k.c: Remove CC0.
7533 * config/rl78/rl78.c: Remove CC0.
7534 * config/sparc/sparc.c: Remove CC0.
7535 * config/xtensa/xtensa.c: Remove CC0.
7536 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
7537 RTL where that is used as a placeholder only.
7538 * cprop.c: Remove CC0.
7539 * cse.c: Remove CC0.
7540 * cselib.c: Remove CC0.
7541 * df-problems.c: Remove CC0.
7542 * df-scan.c: Remove CC0.
7543 * doc/md.texi: Remove CC0. Adjust an example.
7544 * doc/rtl.texi: Remove CC0. Adjust an example.
7545 * doc/tm.texi: Regenerate.
7546 * doc/tm.texi.in: Remove CC0.
7547 * emit-rtl.c: Remove CC0.
7548 * final.c: Remove CC0.
7549 * fwprop.c: Remove CC0.
7550 * gcse-common.c: Remove CC0.
7551 * gcse.c: Remove CC0.
7552 * genattrtab.c: Remove CC0.
7553 * genconfig.c: Remove CC0.
7554 * genemit.c: Remove CC0.
7555 * genextract.c: Remove CC0.
7556 * gengenrtl.c: Remove CC0.
7557 * genrecog.c: Remove CC0.
7558 * haifa-sched.c: Remove CC0.
7559 * ifcvt.c: Remove CC0.
7560 * ira-costs.c: Remove CC0.
7561 * ira.c: Remove CC0.
7562 * jump.c: Remove CC0.
7563 * loop-invariant.c: Remove CC0.
7564 * lra-constraints.c: Remove CC0.
7565 * lra-eliminations.c: Remove CC0.
7566 * optabs.c: Remove CC0.
7567 * postreload-gcse.c: Remove CC0.
7568 * postreload.c: Remove CC0.
7569 * print-rtl.c: Remove CC0.
7570 * read-rtl-function.c: Remove CC0.
7571 * reg-notes.def: Remove CC0.
7572 * reg-stack.c: Remove CC0.
7573 * reginfo.c: Remove CC0.
7574 * regrename.c: Remove CC0.
7575 * reload.c: Remove CC0.
7576 * reload1.c: Remove CC0.
7577 * reorg.c: Remove CC0.
7578 * resource.c: Remove CC0.
7579 * rtl.c: Remove CC0.
7580 * rtl.def: Remove CC0.
7581 * rtl.h: Remove CC0.
7582 * rtlanal.c: Remove CC0.
7583 * sched-deps.c: Remove CC0.
7584 * sched-rgn.c: Remove CC0.
7585 * shrink-wrap.c: Remove CC0.
7586 * simplify-rtx.c: Remove CC0.
7587 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
7588 CC_STATUS_MDEP, and CC_STATUS.
7589 * target.def: Remove CC0.
7590 * valtrack.c: Remove CC0.
7591 * var-tracking.c: Remove CC0.
7593 2021-05-04 Richard Biener <rguenther@suse.de>
7595 PR tree-optimization/100414
7596 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
7598 (tree_ssa_phiopt_worker): But unconditionally here.
7600 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
7602 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
7603 && and || with floating-point and complex arguments.
7605 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
7607 * tree-inline.c (insert_debug_decl_map): Delete.
7608 (copy_debug_stmt): Minor tweak.
7609 (setup_one_parameter): Do not use a variable if the value is either
7610 a read-only DECL or a non-addressable local variable in the caller.
7611 In this case, insert the debug-only variable in the map manually.
7612 (expand_call_inline): Do not generate a CLOBBER for these values.
7613 * tree-inline.h (debug_map): Minor tweak.
7615 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
7617 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
7618 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
7620 2021-05-04 Richard Biener <rguenther@suse.de>
7622 PR tree-optimization/100329
7623 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
7625 (insert_stmt_after): Assert we're not running into asm goto.
7627 2021-05-04 Richard Biener <rguenther@suse.de>
7629 PR tree-optimization/100398
7630 * tree-ssa-dse.c (pass_dse::execute): Preserve control
7633 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7635 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
7637 2021-05-04 Alexandre Oliva <oliva@adacore.com>
7639 * builtins.c (try_store_by_multiple_pieces): New.
7640 (expand_builtin_memset_args): Use it. If target_char_cast
7641 fails, proceed as for non-constant val. Pass len's ctz to...
7642 * expr.c (clear_storage_hints): ... this. Try store by
7643 multiple pieces after setmem.
7644 (clear_storage): Adjust.
7645 * expr.h (clear_storage_hints): Likewise.
7646 (try_store_by_multiple_pieces): Declare.
7647 * passes.def: Replace the last copy_prop with ccp.
7649 2021-05-03 Tom de Vries <tdevries@suse.de>
7652 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
7655 2021-05-03 Richard Biener <rguenther@suse.de>
7657 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
7659 2021-05-03 Richard Biener <rguenther@suse.de>
7661 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
7662 (dse_dom_walker): Remove.
7663 (dse_dom_walker::dse_optimize_stmt): Rename...
7664 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
7665 (dse_dom_walker::before_dom_children): Inline ...
7666 (pass_dse::execute): ... here. Perform a reverse program
7669 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
7672 * configure: Regenerated.
7674 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
7677 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
7678 (s390_md_asm_adjust): Handle hard registers.
7680 2021-05-03 Jakub Jelinek <jakub@redhat.com>
7682 PR tree-optimization/100382
7683 * tree-ssa-dse.c: Include tree-eh.h.
7684 (dse_dom_walker::before_dom_children): Don't remove stmts if
7685 stmt_unremovable_because_of_non_call_eh_p is true.
7687 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
7689 * varasm.c (compute_reloc_for_var): Split out from...
7690 (get_variable_section): Use it.
7691 * output.h (compute_reloc_for_var): Declare.
7692 * config/rs6000/rs6000-protos.h
7693 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
7695 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
7696 Don't append storage mapping class to symbol.
7697 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
7698 Don't convert TLS BSS to common.
7699 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
7700 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
7702 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
7704 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
7705 If align is 0 from TLS class, use the same rules as varasm.c
7706 If not common, switch to BSS section manually.
7707 If common, emit appropriate comm or lcomm directive.
7708 (rs6000_xcoff_encode_section_info): Add logic to append all
7709 storage mapping classes.
7710 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
7711 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
7712 rs6000_xcoff_asm_output_aligned_decl_common.
7713 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
7714 rs6000_xcoff_asm_output_aligned_decl_common.
7715 (ASM_OUTPUT_TLS_COMMON): Use
7716 rs6000_xcoff_asm_output_aligned_decl_common.
7718 2021-05-02 Jakub Jelinek <jakub@redhat.com>
7721 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
7722 as first argument of pseudo_node_t constructors.
7724 2021-05-02 Jakub Jelinek <jakub@redhat.com>
7727 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
7729 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
7731 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
7732 (gt_pch_nx (int_range<1> *&)): New.
7733 (gt_ggc_mx (int_range<1> *&)): New.
7734 * value-range.h (class irange): Add GTY support for
7737 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
7739 * doc/options.texi (Negative): Change either or to both and.
7741 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7743 * config/aarch64/aarch64-simd-builtins.def: Add
7744 float_ml[as][q]_laneq builtin generator macros.
7745 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
7746 (aarch64_float_mla_laneq<mode>): Define.
7747 (aarch64_float_mls_laneq<mode>): Define.
7748 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
7749 instead of GCC vector extensions.
7750 (vmlaq_laneq_f32): Likewise.
7751 (vmls_laneq_f32): Likewise.
7752 (vmlsq_laneq_f32): Likewise.
7754 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7756 * config/aarch64/aarch64-simd-builtins.def: Add
7757 float_ml[as]_lane builtin generator macros.
7758 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
7760 (mul_lane<mode>3): This, and re-order arguments.
7761 (aarch64_float_mla_lane<mode>): Define.
7762 (aarch64_float_mls_lane<mode>): Define.
7763 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
7764 instead of GCC vector extensions.
7765 (vmlaq_lane_f32): Likewise.
7766 (vmls_lane_f32): Likewise.
7767 (vmlsq_lane_f32): Likewise.
7769 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7771 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
7772 builtin generator macros.
7773 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
7775 (aarch64_float_mls<mode>): Define.
7776 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
7777 instead of relying on GCC vector extensions.
7778 (vmla_f64): Likewise.
7779 (vmlaq_f32): Likewise.
7780 (vmlaq_f64): Likewise.
7781 (vmls_f32): Likewise.
7782 (vmls_f64): Likewise.
7783 (vmlsq_f32): Likewise.
7784 (vmlsq_f64): Likewise.
7785 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
7787 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7789 * config/aarch64/aarch64-simd-builtins.def: Add
7790 float_ml[as]_n_builtin generator macros.
7791 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
7793 (mul_n<mode>3): This, and re-order arguments.
7794 (aarch64_float_mla_n<mode>): Define.
7795 (aarch64_float_mls_n<mode>): Define.
7796 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
7797 instead of inline asm.
7798 (vmlaq_n_f32): Likewise.
7799 (vmls_n_f32): Likewise.
7800 (vmlsq_n_f32): Likewise.
7802 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
7804 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
7805 builtin generator macros.
7806 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
7807 (aarch64_pmull_hiv16qi_insn): Define.
7808 (aarch64_pmull_hiv16qi): Define.
7809 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
7810 instead of inline asm.
7811 (vmull_p8): Likewise.
7813 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
7815 * config/avr/avr.md: Adjust peepholes to match and
7816 generate parallels with clobber of REG_CC.
7817 (mov<mode>_insn): Rename to mov<mode>_insn_split.
7818 (*mov<mode>_insn): Rename to mov<mode>_insn.
7820 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
7822 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
7823 for VAR_DECLs if -fdata-sections enabled.
7825 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
7828 * config/rs6000/rs6000.c
7829 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
7830 (rs6000_libgcc_floating_mode_supported_p): New target hook.
7832 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
7834 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
7836 (class back_threader_registry): ...to here...
7837 (class back_threader_profitability): ...and here...
7838 (thread_jumps::thread_through_all_blocks): Remove argument.
7839 (back_threader_registry::back_threader_registry): New.
7840 (back_threader_registry::~back_threader_registry): New.
7841 (back_threader_registry::thread_through_all_blocks): New.
7842 (thread_jumps::profitable_jump_thread_path): Move from here...
7843 (back_threader_profitability::profitable_path_p): ...to here.
7844 (thread_jumps::find_taken_edge): New.
7845 (thread_jumps::convert_and_register_current_path): Move...
7846 (back_threader_registry::register_path): ...to here.
7847 (thread_jumps::register_jump_thread_path_if_profitable): Move...
7848 (thread_jumps::maybe_register_path): ...to here.
7849 (thread_jumps::handle_phi): Call find_taken_edge and
7850 maybe_register_path.
7851 (thread_jumps::handle_assignment): Same.
7852 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
7853 tree argument to handle_phi and handle_assignment.
7854 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
7855 set of m_speed_p and m_max_threaded_paths.
7856 (pass_thread_jumps::execute): Remove second argument from
7857 find_jump_threads_backwards.
7858 (pass_early_thread_jumps::execute): Same.
7860 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
7862 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
7863 (class dom_opt_dom_walker): Initialize some class variables.
7864 (pass_dominator::execute): Pass evrp_range_analyzer and
7865 dom_jump_threader_simplifier to dom_opt_dom_walker.
7866 Adjust for some functions moving into classes.
7867 (simplify_stmt_for_jump_threading): Adjust and move to...
7868 (jump_threader_simplifier::simplify): ...here.
7869 (dom_opt_dom_walker::before_dom_children): Adjust for
7870 m_evrp_range_analyzer.
7871 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
7872 (test_for_singularity): Place in dom_opt_dom_walker class.
7873 (dom_opt_dom_walker::optimize_stmt): The argument
7874 evrp_range_analyzer is now a class field.
7875 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
7876 (thread_jumps::thread_through_all_blocks): New.
7877 (thread_jumps::convert_and_register_current_path): Use m_registry.
7878 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
7879 being in the threader class.
7880 (pass_early_thread_jumps::execute): Same.
7881 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
7882 (jump_threader::jump_threader): ...here.
7883 (threadedge_finalize_values): Move...
7884 (jump_threader::~jump_threader): ...here.
7885 (jump_threader::remove_jump_threads_including): New.
7886 (jump_threader::thread_through_all_blocks): New.
7887 (record_temporary_equivalences_from_phis): Move...
7888 (jump_threader::record_temporary_equivalences_from_phis): ...here.
7889 (record_temporary_equivalences_from_stmts_at_dest): Move...
7890 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
7892 (simplify_control_stmt_condition_1): Move to jump_threader class.
7893 (simplify_control_stmt_condition): Move...
7894 (jump_threader::simplify_control_stmt_condition): ...here.
7895 (thread_around_empty_blocks): Move...
7896 (jump_threader::thread_around_empty_blocks): ...here.
7897 (thread_through_normal_block): Move...
7898 (jump_threader::thread_through_normal_block): ...here.
7899 (thread_across_edge): Move...
7900 (jump_threader::thread_across_edge): ...here.
7901 (thread_outgoing_edges): Move...
7902 (jump_threader::thread_outgoing_edges): ...here.
7903 * tree-ssa-threadedge.h: Move externally facing functings...
7904 (class jump_threader): ...here...
7905 (class jump_threader_simplifier): ...and here.
7906 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
7907 (jump_thread_path_allocator::jump_thread_path_allocator): New.
7908 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
7909 (jump_thread_path_allocator::allocate_thread_edge): New.
7910 (jump_thread_path_allocator::allocate_thread_path): New.
7911 (jump_thread_path_registry::jump_thread_path_registry): New.
7912 (jump_thread_path_registry::~jump_thread_path_registry): New.
7913 (jump_thread_path_registry::allocate_thread_edge): New.
7914 (jump_thread_path_registry::allocate_thread_path): New.
7915 (dump_jump_thread_path): Make extern.
7916 (debug (const vec<jump_thread_edge *> &path)): New.
7917 (struct removed_edges): Move to tree-ssa-threadupdate.h.
7918 (struct thread_stats_d): Remove.
7919 (remove_ctrl_stmt_and_useless_edges): Make static.
7920 (lookup_redirection_data): Move...
7921 (jump_thread_path_registry::lookup_redirection_data): ...here.
7922 (ssa_redirect_edges): Make static.
7923 (thread_block_1): Move...
7924 (jump_thread_path_registry::thread_block_1): ...here.
7925 (thread_block): Move...
7926 (jump_thread_path_registry::thread_block): ...here.
7927 (thread_through_loop_header): Move...
7928 (jump_thread_path_registry::thread_through_loop_header): ...here.
7929 (mark_threaded_blocks): Move...
7930 (jump_thread_path_registry::mark_threaded_blocks): ...here.
7931 (debug_path): Move...
7932 (jump_thread_path_registry::debug_path): ...here.
7933 (debug_all_paths): Move...
7934 (jump_thread_path_registry::dump): ..here.
7935 (rewire_first_differing_edge): Move...
7936 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
7937 (adjust_paths_after_duplication): Move...
7938 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
7939 (duplicate_thread_path): Move...
7940 (jump_thread_path_registry::duplicate_thread_path): ..here.
7941 (remove_jump_threads_including): Move...
7942 (jump_thread_path_registry::remove_jump_threads_including): ...here.
7943 (thread_through_all_blocks): Move to...
7944 (jump_thread_path_registry::thread_through_all_blocks): ...here.
7945 (delete_jump_thread_path): Remove.
7946 (register_jump_thread): Move...
7947 (jump_thread_path_registry::register_jump_thread): ...here.
7948 * tree-ssa-threadupdate.h: Move externally facing functions...
7949 (class jump_thread_path_allocator): ...here...
7950 (class jump_thread_path_registry): ...and here.
7951 (thread_through_all_blocks): Remove.
7952 (struct removed_edges): New.
7953 (register_jump_thread): Remove.
7954 (remove_jump_threads_including): Remove.
7955 (delete_jump_thread_path): Remove.
7956 (remove_ctrl_stmt_and_useless_edges): Remove.
7957 (free_dom_edge_info): New prototype.
7958 * tree-vrp.c: Remove x_vr_values hack.
7959 (class vrp_jump_threader_simplifier): New.
7960 (vrp_jump_threader_simplifier::simplify): New.
7961 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
7962 Remove m_dummy_cond.
7963 Instantiate m_simplifier and m_threader.
7964 (vrp_jump_threader::thread_through_all_blocks): New.
7965 (vrp_jump_threader::simplify_stmt): Remove.
7966 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
7967 Remove x_vr_values hack.
7968 (execute_vrp): Adjust for thread_through_all_blocks being in a
7971 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
7973 * genflags.c (gen_insn): Print failed expansion string.
7975 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
7977 * expr.c (alignment_for_piecewise_move): Call mode_for_size
7978 without limit to MAX_FIXED_MODE_SIZE.
7980 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
7983 * builtins.c (builtin_memset_gen_str): Don't use return from
7984 simplify_gen_subreg.
7986 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
7989 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
7990 (*addsi3_carry_zext_0r): Ditto.
7991 (*sub<mode>3_carry_0): Ditto.
7992 (*subsi3_carry_zext_0r): Ditto.
7993 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
7995 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
7996 Also consider ix86_carry_flag_unset_operator to calculate
7997 the cost of adc/sbb insn.
7999 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
8001 PR rtl-optimization/100225
8002 PR rtl-optimization/84878
8003 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
8004 where we have an instruction which touches (writes) any hard
8005 register from df->regular_block_artificial_uses set.
8006 Allow not-single-set instruction only right before basic block
8009 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
8011 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
8013 2021-04-30 LevyHsu <admin@levyhsu.com>
8015 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
8016 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
8017 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
8018 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
8020 2021-04-29 Alexandre Oliva <oliva@adacore.com>
8022 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
8024 2021-04-29 Alexandre Oliva <oliva@adacore.com>
8026 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
8027 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
8028 * config/i386/i386.c: Adjust.
8029 * config/i386/i386.md: Adjust.
8030 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
8031 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8032 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8033 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8034 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8035 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8036 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8037 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8038 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8039 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
8040 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
8042 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8044 * config/i386/i386-expand.c (ix86_expand_int_compare):
8045 Swap operands of GTU and LEU comparison to emit carry flag comparison.
8046 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
8047 predicate to allow more combine opportunities with memory operands.
8048 (*sub<mode>3_carry_0): Ditto.
8050 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
8052 PR rtl-optimization/100303
8053 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
8054 boolean that indicates whether the use will only be used in
8055 debug instructions. Treat it in the same way that existing
8056 cross-EBB debug references would be handled if so.
8057 (function_info::make_uses_available): Likewise.
8058 * rtl-ssa/functions.h (function_info::make_uses_available): Update
8059 prototype accordingly.
8060 (function_info::make_uses_available): Likewise.
8061 * fwprop.c (try_fwprop_subst): Update call accordingly.
8063 2021-04-29 Jeff Law <jlaw@tachyum.com>
8065 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
8068 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8069 Richard Biener <rguenther@suse.de>
8072 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
8073 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
8074 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
8075 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
8076 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
8077 to PURE_ARGS category.
8078 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
8079 Handle PURE_ARGS category.
8080 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
8082 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
8084 * configure.ac: Check for the presence of sys/locking.h header and
8085 for whether _LK_LOCK is supported by _locking.
8086 * configure: Regenerate.
8087 * config.in: Likewise.
8088 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
8089 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
8090 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
8092 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
8094 * config/i386/predicates.md (fcmov_comparison_operator):
8095 Do not check for trivial FP comparison operator.
8096 <case GEU, case LTU>: Allow CCGZmode.
8097 <case GTU, case LEU>: Do not allow CCCmode.
8098 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
8099 (ix86_carry_flag_operator): Match only LTU and UNLT code.
8100 Do not check for trivial FP comparison operator. Allow CCGZmode.
8102 2021-04-29 Tom de Vries <tdevries@suse.de>
8104 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
8105 fd->loop.step by either step or orig_step.
8107 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
8109 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
8110 (load_got_register): Do the PIC dance here.
8111 (sparc_legitimize_tls_address): Simplify.
8112 (sparc_emit_probe_stack_range): Likewise.
8113 (sparc32_initialize_trampoline): Likewise.
8114 (sparc64_initialize_trampoline): Likewise.
8115 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
8116 (probe_stack_range<P:mode>): Likewise.
8117 (flush<P:mode>): Likewise.
8118 (tgd_hi22<P:mode>): Likewise.
8119 (tgd_lo10<P:mode>): Likewise.
8120 (tgd_add<P:mode>): Likewise.
8121 (tgd_call<P:mode>): Likewise.
8122 (tldm_hi22<P:mode>): Likewise.
8123 (tldm_lo10<P:mode>): Likewise.
8124 (tldm_add<P:mode>): Likewise.
8125 (tldm_call<P:mode>): Likewise.
8126 (tldo_hix22<P:mode>): Likewise.
8127 (tldo_lox10<P:mode>): Likewise.
8128 (tldo_add<P:mode>): Likewise.
8129 (tie_hi22<P:mode>): Likewise.
8130 (tie_lo10<P:mode>): Likewise.
8131 (tie_add<P:mode>): Likewise.
8132 (tle_hix22<P:mode>): Likewise.
8133 (tle_lox10<P:mode>): Likewise.
8134 (stack_protect_setsi): Rename to...
8135 (stack_protect_set32): ...this.
8136 (stack_protect_setdi): Rename to...
8137 (stack_protect_set64): ...this.
8138 (stack_protect_set): Adjust calls to above.
8139 (stack_protect_testsi): Rename to...
8140 (stack_protect_test32): ...this.
8141 (stack_protect_testdi): Rename to...
8142 (stack_protect_test64): ...this.
8143 (stack_protect_test): Adjust calls to above.
8145 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
8148 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
8149 (builtin_strncpy_read_str): Likewise.
8150 (builtin_memset_read_str): Add an argument for the previous RTL
8151 information and generate the new RTL from the previous RTL info.
8152 (builtin_memset_gen_str): Likewise.
8153 * builtins.h (builtin_strncpy_read_str): Update the prototype.
8154 (builtin_memset_read_str): Likewise.
8155 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
8156 returns true, round up size and alignment to the widest integer
8157 mode for maximum size.
8158 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
8159 and pass it to m_constfn.
8160 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
8161 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
8162 initialize m_push. Initialize m_overlap_op_by_pieces with
8163 targetm.overlap_op_by_pieces_p ().
8164 (op_by_pieces_d::run): Pass the previous RTL information to
8165 pieces_addr::adjust and generate overlapping operations if
8166 m_overlap_op_by_pieces is true.
8168 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
8170 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
8172 (can_store_by_pieces): Use by_pieces_constfn on constfun.
8173 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
8174 for op_by_pieces_d change.
8175 (clear_by_pieces_1): Add a dummy argument.
8176 (clear_by_pieces): Updated for op_by_pieces_d change.
8177 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
8178 (string_cst_read_str): Add a dummy argument.
8179 * expr.h (by_pieces_constfn): Add a dummy argument.
8180 (by_pieces_prev): New.
8181 * target.def (overlap_op_by_pieces_p): New target hook.
8182 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
8183 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
8184 * doc/tm.texi: Regenerated.
8186 2021-04-29 Richard Biener <rguenther@suse.de>
8188 PR tree-optimization/100253
8189 * tree-vect-stmts.c (vectorizable_load): Do not assume
8190 element alignment when DR_MISALIGNMENT is -1.
8191 (vectorizable_store): Likewise.
8193 2021-04-29 Jakub Jelinek <jakub@redhat.com>
8196 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
8197 absu_hwi instead of abs_hwi.
8199 2021-04-29 Richard Biener <rguenther@suse.de>
8202 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
8203 forwarding when indirect forwarding through ESCAPED
8206 2021-04-29 Tom de Vries <tdevries@suse.de>
8209 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
8210 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
8211 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
8212 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
8214 2021-04-29 Richard Biener <rguenther@suse.de>
8216 PR tree-optimization/99912
8217 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
8218 (dse_dom_walker::todo): Likewise.
8219 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
8221 (dse_dom_walker::before_dom_children): Remove trivially
8222 dead SSA defs and schedule CFG cleanup if we removed all
8224 (pass_dse::execute): Get TODO as computed by the DOM walker
8225 and return it. Wipe dominator info earlier.
8227 2021-04-29 Richard Biener <rguenther@suse.de>
8230 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
8231 Track blocks to cleanup EH in new m_need_eh_cleanup.
8232 (ipcp_modif_dom_walker::cleanup_eh): New.
8233 (ipcp_transform_function): Release dominator info before
8236 2021-04-29 Martin Sebor <msebor@redhat.com>
8238 PR middle-end/100250
8239 * attribs.c (attr_access::array_as_string): Avoid dereferencing
8240 a pointer when it's null.
8242 2021-04-29 Martin Sebor <msebor@redhat.com>
8244 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
8245 * ipa-free-lang-data.cc: New file.
8246 * tree.c: Move pass free_lang_data to file above.
8247 (build_array_type_1): Declare extern.
8248 * tree.h (build_array_type_1): Declare.
8250 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8252 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
8253 make consistent with updated RTL pattern.
8254 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
8255 Implement using ss_truncate and us_truncate rather than
8257 * config/aarch64/iterators.md: Remove redundant unspecs and
8258 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
8260 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8262 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
8263 attributes consistent with those defined in arm_neon.h.
8265 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8267 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
8268 attributes consistent with those defined in arm_neon.h.
8270 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8272 * config/aarch64/aarch64-simd-builtins.def: Add
8273 float_trunc_rodd builtin generator macros.
8274 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
8276 (aarch64_float_trunc_rodd_lo_v2sf): Define.
8277 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
8278 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
8279 (aarch64_float_trunc_rodd_hi_v4sf): Define.
8280 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
8281 instead of inline asm.
8282 (vcvtx_high_f32_f64): Likewise.
8283 (vcvtxd_f32_f64): Likewise.
8284 * config/aarch64/iterators.md: Add FCVTXN unspec.
8286 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8288 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
8290 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
8292 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
8293 instead of inline asm.
8294 (vqtbx1_u8): Likewise.
8295 (vqtbx1_p8): Likewise.
8296 (vqtbx1q_s8): Likewise.
8297 (vqtbx1q_u8): Likewise.
8298 (vqtbx1q_p8): Likewise.
8299 (vtbx2_s8): Likewise.
8300 (vtbx2_u8): Likewise.
8301 (vtbx2_p8): Likewise.
8303 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8305 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
8307 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
8308 instead of inline asm.
8309 (vqtbl1_s8): Likewise.
8310 (vqtbl1_u8): Likewise.
8311 (vqtbl1q_p8): Likewise.
8312 (vqtbl1q_s8): Likewise.
8313 (vqtbl1q_u8): Likewise.
8314 (vtbl1_s8): Likewise.
8315 (vtbl1_u8): Likewise.
8316 (vtbl1_p8): Likewise.
8317 (vtbl2_s8): Likewise.
8318 (vtbl2_u8): Likewise.
8319 (vtbl2_p8): Likewise.
8321 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8323 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
8324 ssri_n buitin generator macro.
8325 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
8326 instead of inline asm.
8327 (vsri_n_p16): Likewise.
8328 (vsri_n_p64): Likewise.
8329 (vsriq_n_p8): Likewise.
8330 (vsriq_n_p16): Likewise.
8331 (vsriq_n_p64): Likewise.
8333 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8335 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
8336 iterator for polynomial ssli_n builtin generator macro.
8337 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
8338 instead of inline asm.
8339 (vsli_n_p16): Likewise.
8340 (vsliq_n_p8): Likewise.
8341 (vsliq_n_p16): Likewise.
8342 * config/aarch64/iterators.md: Define VALLP mode iterator.
8344 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8346 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
8347 iterator to generate [su]adalp RTL builtins.
8348 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
8349 [su]adalp RTL pattern.
8350 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
8351 instead of inline asm.
8352 (vpadal_u32): Likewise.
8354 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8356 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
8357 builtin generator macros.
8358 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
8360 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
8361 instead of inline asm.
8362 (vpaddl_s16): Likewise.
8363 (vpaddl_s32): Likewise.
8364 (vpaddl_u8): Likewise.
8365 (vpaddl_u16): Likewise.
8366 (vpaddl_u32): Likewise.
8367 (vpaddlq_s8): Likewise.
8368 (vpaddlq_s16): Likewise.
8369 (vpaddlq_s32): Likewise.
8370 (vpaddlq_u8): Likewise.
8371 (vpaddlq_u16): Likewise.
8372 (vpaddlq_u32): Liwewise.
8373 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
8374 appropriate attributes.
8376 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8378 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
8379 for aarch64_addp<mode> builtin macro generator.
8380 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
8381 aarch64_addp<mode> RTL pattern.
8382 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
8383 instead of inline asm.
8384 (vpaddq_s16): Likewise.
8385 (vpaddq_s32): Likewise.
8386 (vpaddq_s64): Likewise.
8387 (vpaddq_u8): Likewise.
8388 (vpaddq_u16): Likewise.
8389 (vpaddq_u32): Likewise.
8390 (vpaddq_u64): Likewise.
8392 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8394 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
8395 builtin generator macros.
8396 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
8398 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
8399 instead of inline asm.
8400 (vqdmulh_n_s32): Likewise.
8401 (vqdmulhq_n_s16): Likewise.
8402 (vqdmulhq_n_s32): Likewise.
8403 (vqrdmulh_n_s16): Likewise.
8404 (vqrdmulh_n_s32): Likewise.
8405 (vqrdmulhq_n_s16): Likewise.
8406 (vqrdmulhq_n_s32): Likewise.
8408 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
8410 * doc/install.texi (--enable-offload-defaulted): Document.
8412 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
8414 * config/avr/avr-dimode.md: Turn existing patterns into
8415 define_insn_and_split style patterns where the splitter
8416 adds a clobber of the condition code register. Drop "cc"
8417 attribute. Add new patterns to match output of
8419 * config/avr/avr-fixed.md: Likewise.
8420 * config/avr/avr.c (cc_reg_rtx): New.
8421 (avr_parallel_insn_from_insns): Adjust insn count
8422 for removal of set of cc0.
8423 (avr_is_casesi_sequence): Likewise.
8424 (avr_casei_sequence_check_operands): Likewise.
8425 (avr_optimize_casesi): Likewise. Also insert
8426 new insns after jump_insn.
8427 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
8428 for removal of set of cc0.
8429 (avr_init_expanders): Initialize cc_reg_rtx.
8430 (avr_regno_reg_class): Handle REG_CC.
8431 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
8432 (avr_notice_update_cc): Remove function.
8433 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
8434 (compare_condition): Adjust for PARALLEL with
8436 (out_shift_with_cnt): Likewise.
8437 (ashlhi3_out): Likewise.
8438 (ashrhi3_out): Likewise.
8439 (lshrhi3_out): Likewise.
8440 (avr_class_max_nregs): Return single reg for REG_CC.
8441 (avr_compare_pattern): Check for REG_CC instead
8443 (avr_reorg_remove_redundant_compare): Likewise.
8444 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
8445 (avr_hard_regno_nregs): Return single reg for REG_CC.
8446 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
8447 (avr_md_asm_adjust): Clobber REG_CC.
8448 (TARGET_HARD_REGNO_NREGS): Define.
8449 (TARGET_CLASS_MAX_NREGS): Define.
8450 (TARGET_MD_ASM_ADJUST): Define.
8451 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
8453 (enum reg_class): Add CC_REG class.
8454 (NOTICE_UPDATE_CC): Remove.
8455 (CC_OVERFLOW_UNUSABLE): Remove.
8456 (CC_NO_CARRY): Remove.
8457 * config/avr/avr.md: Turn existing patterns into
8458 define_insn_and_split style patterns where the splitter
8459 adds a clobber of the condition code register. Drop "cc"
8460 attribute. Add new patterns to match output of
8462 (sez): Remove unused pattern.
8464 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
8467 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
8470 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
8473 * config/aarch64/constraints.md (Utq): Require the address to
8474 be valid for both the element mode and for V2DImode.
8476 2021-04-28 Jakub Jelinek <jakub@redhat.com>
8477 Tobias Burnus <tobias@codesourcery.com>
8479 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
8480 * gcc.c (process_command): New variable.
8481 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
8482 set it if -foffload is defaulted.
8483 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
8484 (compile_offload_image): If OFFLOAD_DEFAULTED and
8485 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
8486 if corresponding mkoffload can't be found.
8487 (compile_images_for_offload_targets): Likewise. Free and clear
8488 offload_names if no valid offload is found.
8489 * config.in: Regenerate.
8490 * configure: Regenerate.
8492 2021-04-28 Richard Biener <rguenther@suse.de>
8494 PR tree-optimization/100292
8495 * tree-vect-generic.c (expand_vector_condition): Do not fold
8498 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8500 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
8501 * config/rs6000/aix64.opt (m64): New.
8504 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8506 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
8507 (index_term_p): Handle ASHIFT too.
8509 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8511 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
8512 (sync_lock_test_and_set<mode>): Adjust accordingly.
8513 (sync_lock_release<mode>): Likewise.
8515 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8517 * config/vax/vax-protos.h (adjacent_operands_p): Remove
8519 * config/vax/vax.c (adjacent_operands_p): Remove.
8521 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
8523 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
8524 through to the non-conditional execution case if getting the
8525 condition for conditional execution has failed.
8527 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
8529 PR middle-end/100284
8530 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
8531 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
8532 than asserting on it.
8534 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8536 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
8539 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8542 * calls.c (precompute_register_parameters): Additionally test
8543 targetm.precompute_tls_p to pre-compute argument.
8544 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
8545 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
8546 * target.def (precompute_tls_p): New.
8547 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
8548 * doc/tm.texi: Regenerated.
8550 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8553 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
8554 back to HOST_WIDE_INT.
8556 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
8559 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
8560 memory alignment for the outer mode.
8562 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
8565 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
8566 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
8568 2021-04-27 Alex Coplan <alex.coplan@arm.com>
8571 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
8572 with negative immediates: ensure we expand cbranchsi4_scratch
8573 correctly and ensure we satisfy its constraints.
8574 * config/arm/sync.md
8575 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
8576 attempt to tie two output operands together with constraints;
8577 collapse two alternatives.
8578 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
8579 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
8581 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8584 * config/aarch64/predicates.md (aarch64_sub_immediate,
8585 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
8586 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
8587 * config/aarch64/aarch64.c (aarch64_print_operand,
8588 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
8590 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8592 PR tree-optimization/100239
8593 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
8594 permutations with all indices from the first zero element as vec_shl.
8596 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8598 PR rtl-optimization/100254
8599 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
8600 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
8602 2021-04-27 Richard Biener <rguenther@suse.de>
8604 PR tree-optimization/99912
8605 * passes.def: Add comment about new TODO_remove_unused_locals.
8606 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
8609 2021-04-27 Richard Biener <rguenther@suse.de>
8611 PR tree-optimization/99912
8612 * passes.def (pass_all_optimizations): Add pass_dse before
8613 the first pass_dce, move the first pass_dse before the
8614 pass_dce following pass_pre.
8616 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8618 PR tree-optimization/95527
8619 * generic-match-head.c: Include tm.h.
8620 * gimple-match-head.c: Include tm.h.
8621 * match.pd (CLZ == INTEGER_CST): Don't use
8622 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
8623 if clz == CFN_CLZ. Add missing val declaration.
8624 (CTZ cmp CST): New simplifications.
8626 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8628 PR tree-optimization/96696
8629 * expr.c (expand_expr_divmod): New function.
8630 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
8631 divisions. Formatting fixes.
8632 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
8635 2021-04-27 Martin Jambor <mjambor@suse.cz>
8638 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
8639 If removing a call statement LHS SSA name, release it.
8641 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
8644 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
8645 is valid before including it in the mask.
8647 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
8650 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
8653 2021-04-27 Richard Biener <rguenther@suse.de>
8655 PR tree-optimization/100051
8656 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
8657 disambiguator based on access size vs. decl size.
8659 2021-04-27 Richard Biener <rguenther@suse.de>
8661 PR tree-optimization/100278
8662 * tree-ssa-pre.c (compute_avail): Give up when we cannot
8663 adjust TBAA beacuse of mismatching bases.
8665 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8668 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
8669 For any_rotate define_insn_split and following splitters, use
8670 SWI iterator instead of SWI48.
8672 2021-04-27 Richard Biener <rguenther@suse.de>
8674 PR tree-optimization/99776
8675 * match.pd (bit_field_ref (ctor)): Relax element extract
8676 type compatibility checks.
8678 2021-04-27 Cui,Lili <lili.cui@intel.com>
8680 * common/config/i386/i386-common.c (processor_names):
8681 Sync processor_names with processor_type.
8682 * config/i386/i386-options.c (processor_cost_table):
8683 Sync processor_cost_table with processor_type.
8685 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8687 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
8688 (irange::set): Call irange_set_1bit_anti_range for handling all
8689 1-bit ranges. Fall through on ~[MIN,MAX].
8691 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8693 * value-range.cc (irange::legacy_num_pairs): Remove.
8694 (irange::invert): Change gcc_assert to gcc_checking_assert.
8695 * value-range.h (irange::num_pairs): Adjust for a cached
8696 num_pairs(). Also, rename all gcc_assert's to
8697 gcc_checking_assert's.
8699 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8701 * value-range.cc (irange::operator=): Set m_kind.
8702 (irange::copy_to_legacy): Handle varying and undefined sources
8703 as a legacy copy since they can be easily copied.
8704 (irange::irange_set): Set m_kind.
8705 (irange::irange_set_anti_range): Same.
8706 (irange::set): Rename normalize_min_max to normalize_kind.
8707 (irange::verify_range): Adjust for multi-ranges having the
8709 (irange::irange_union): Set m_kind.
8710 (irange::irange_intersect): Same.
8711 (irange::invert): Same.
8712 * value-range.h (irange::kind): Always return m_kind.
8713 (irange::varying_p): Rename to...
8714 (irange::varying_comptaible_p): ...this.
8715 (irange::undefined_p): Only look at m_kind.
8716 (irange::irange): Always set VR_UNDEFINED if applicable.
8717 (irange::set_undefined): Always set VR_UNDEFINED.
8718 (irange::set_varying): Always set m_kind to VR_VARYING.
8719 (irange::normalize_min_max): Rename to...
8720 (irange::normalize_kind): ...this.
8722 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8724 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
8725 Adjust for constant_p including varying_p.
8726 * tree-vrp.c (vrp_prop::finalize): Same.
8727 (determine_value_range): Same.
8728 * vr-values.c (vr_values::range_of_expr): Same.
8729 * value-range.cc (irange::symbolic_p): Do not check varying_p.
8730 (irange::constant_p): Same.
8732 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8734 * value-range.cc (irange::legacy_lower_bound): Replace
8735 !undefined_p check with num_ranges > 0.
8736 (irange::legacy_upper_bound): Same.
8737 * value-range.h (irange::type): Same.
8738 (irange::lower_bound): Same.
8739 (irange::upper_bound): Same.
8741 2021-04-26 Richard Biener <rguenther@suse.de>
8743 PR tree-optimization/99956
8744 * gimple-loop-interchange.cc (compute_access_stride):
8745 Try instantiating the access in a shallower loop nest
8746 if instantiating failed.
8747 (compute_access_strides): Pass adjustable loop_nest
8748 to compute_access_stride.
8750 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
8752 * doc/sourcebuild.texi (arm_cmse_hw): Document.
8754 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8756 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
8758 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
8759 Nathan Sidwell <nathan@codesourcery.com>
8760 Tom de Vries <vries@codesourcery.com>
8761 Julian Brown <julian@codesourcery.com>
8762 Kwok Cheung Yeung <kcy@codesourcery.com>
8764 * omp-offload.c (oacc_validate_dims): Implement
8765 '-Wopenacc-parallelism'.
8766 * doc/invoke.texi (-Wopenacc-parallelism): Document.
8768 2021-04-26 Richard Biener <rguenther@suse.de>
8770 * tree-cfg.h (gimplify_build1): Remove.
8771 (gimplify_build2): Likewise.
8772 (gimplify_build3): Likewise.
8773 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
8774 (gimplify_build2): Likewise.
8775 (gimplify_build3): Likewise.
8776 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
8778 (gimplify_build2): Likewise.
8779 (gimplify_build3): Likewise.
8780 (tree_vec_extract): Use resimplify with following SSA edges.
8781 (expand_vector_parallel): Avoid passing NULL size/bitpos
8782 to tree_vec_extract.
8783 * expr.c (store_constructor): Deal with zero-element CTORs.
8784 * match.pd (bit_field_ref <vector CTOR>): Make sure to
8785 produce vector constants when possible.
8787 2021-04-26 Richard Biener <rguenther@suse.de>
8789 * tree-complex.c: Include gimple-fold.h.
8790 (expand_complex_addition): Use gimple_build.
8791 (expand_complex_multiplication_components): Likewise.
8792 (expand_complex_multiplication): Likewise.
8793 (expand_complex_div_straight): Likewise.
8794 (expand_complex_div_wide): Likewise.
8795 (expand_complex_division): Likewise.
8796 (expand_complex_conjugate): Likewise.
8797 (expand_complex_comparison): Likewise.
8799 2021-04-26 Richard Biener <rguenther@suse.de>
8801 * tree-ssa-phiopt.c (two_value_replacement): Remove use
8802 of legacy gimplify_buildN API.
8804 2021-04-26 Richard Biener <rguenther@suse.de>
8806 PR tree-optimization/99473
8807 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
8810 2021-04-26 Richard Biener <rguenther@suse.de>
8812 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
8813 Use replace_call_with_value.
8815 2021-04-26 Richard Biener <rguenther@suse.de>
8817 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
8818 (update_gimple_call): Likewise.
8819 (update_call_from_tree): Likewise.
8820 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
8821 (valid_gimple_call_p): Likewise.
8822 (move_ssa_defining_stmt_for_defs): Likewise.
8823 (finish_update_gimple_call): Likewise.
8824 (update_gimple_call): Likewise.
8825 (update_call_from_tree): Likewise.
8826 (propagate_tree_value_into_stmt): Use replace_call_with_value.
8827 * gimple-fold.h (update_gimple_call): Declare.
8828 * gimple-fold.c (valid_gimple_rhs_p): Move here from
8829 tree-ssa-propagate.c.
8830 (update_gimple_call): Likewise.
8831 (valid_gimple_call_p): Likewise.
8832 (finish_update_gimple_call): Likewise, and simplify.
8833 (gimplify_and_update_call_from_tree): Implement
8834 update_call_from_tree functionality, avoid excessive
8835 push/pop_gimplify_context.
8836 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
8837 (gimple_fold_call): Likewise.
8838 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
8839 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
8840 (pass_fold_builtins::execute): Likewise.
8841 (optimize_stack_restore): Use replace_call_with_value.
8842 * tree-cfg.c (fold_loop_internal_call): Likewise.
8843 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
8844 only gimplify_and_update_call_from_tree.
8845 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
8846 (handle_builtin_strchr): Likewise.
8847 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
8849 2021-04-26 Jakub Jelinek <jakub@redhat.com>
8852 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
8853 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
8856 2021-04-25 liuhongt <hongtao.liu@intel.com>
8859 * config/i386/i386-builtin.def (BDESC): Change the icode of
8860 the following builtins to CODE_FOR_nothing.
8861 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
8862 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
8863 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
8864 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
8865 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
8866 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
8867 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
8868 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
8869 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
8870 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
8871 (sse2_eq<mode>3): Ditto.
8872 (sse4_1_eqv2di3): Ditto.
8873 (sse2_gt<mode>3): Rename to ..
8874 (*sse2_gt<mode>3): .. this.
8876 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
8879 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
8882 * config/darwin.c (darwin_binds_local_p): Assume that any
8883 public symbol might be interposed for PIC code. Update function
8884 header comment to reflect current Darwin capability.
8886 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
8889 * config/darwin.c (darwin_binds_local_p): Assume that any
8890 public symbol might be interposed for PIC code. Update function
8891 header comment to reflect current Darwin capability.
8893 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
8895 * doc/sourcebuild.texi: Document no-opts and any-opts target
8898 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
8900 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
8902 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
8904 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
8906 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
8909 * config/i386/i386-options.c (ix86_option_override_internal):
8910 Error out when -m96bit-long-double is used with 64bit targets.
8911 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
8913 2021-04-23 Martin Liska <mliska@suse.cz>
8915 * lto-wrapper.c: Remove FIXME about usage of
8916 hardware_concurrency. The function is not on par with
8919 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
8922 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
8923 Copy operand 3 to operand 4. Use sse_reg_operand
8924 as operand 3 predicate.
8925 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
8926 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
8927 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
8928 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
8929 Copy operand 1 to operand 0.
8930 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
8931 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
8932 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
8934 2021-04-23 Alex Coplan <alex.coplan@arm.com>
8936 PR rtl-optimization/100230
8937 * early-remat.c (early_remat::sort_candidates): Use delete[]
8938 instead of delete for array allocated with new[].
8940 2021-04-23 Richard Biener <rguenther@suse.de>
8942 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
8943 (capture_info::capture_info): Likewise.
8944 (capture_info::walk_match): Likewise.
8945 (expr::gen_transform): Likewise.
8946 (dt_simplify::gen_1): Likewise.
8947 * gimple-match-head.c (maybe_resimplify_conditional_op):
8948 Remove VEC_COND_EXPR special-casing.
8949 (gimple_simplify): Likewise.
8950 * gimple.c (gimple_could_trap_p_1): Adjust.
8951 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
8952 to participate in PRE.
8954 2021-04-23 Richard Biener <rguenther@suse.de>
8956 * cfganal.c (connect_infinite_loops_to_exit): First call
8957 add_noreturn_fake_exit_edges.
8958 * ipa-sra.c (process_scan_results): Do not call the now redundant
8959 add_noreturn_fake_exit_edges.
8960 * predict.c (tree_estimate_probability): Likewise.
8961 (rebuild_frequencies): Likewise.
8962 * store-motion.c (one_store_motion_pass): Likewise.
8964 2021-04-23 Richard Biener <rguenther@suse.de>
8966 PR tree-optimization/100222
8967 * predict.c (pass_profile::execute): Remove redundant call to
8968 mark_irreducible_loops.
8969 (report_predictor_hitrates): Likewise.
8971 2021-04-23 Richard Biener <rguenther@suse.de>
8973 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
8974 valid_gimple_rhs_p by instead gimplifying to one.
8976 2021-04-23 Richard Biener <rguenther@suse.de>
8978 PR tree-optimization/99971
8979 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
8980 Always use TBAA for loads.
8982 2021-04-23 liuhongt <hongtao.liu@intel.com>
8985 * config/i386/i386-options.c (ix86_option_override_internal):
8986 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
8987 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
8988 by target attribute.
8990 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
8992 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
8994 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
8996 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
8998 * config.gcc (powerpc-ibm-aix6.*): Remove.
8999 * config/rs6000/aix61.h: Delete.
9001 2021-04-22 Martin Liska <mliska@suse.cz>
9005 * builtins.c (expand_builtin): Fix typos and missing comments.
9006 * dwarf2out.c (gen_subprogram_die): Likewise.
9007 (gen_struct_or_union_type_die): Likewise.
9009 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
9012 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
9013 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
9015 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
9017 * config/i386/darwin.h (TARGET_64BIT): Remove definition
9018 based on TARGET_ISA_64BIT.
9019 (TARGET_64BIT_P): Remove definition based on
9020 TARGET_ISA_64BIT_P().
9022 2021-04-21 Martin Liska <mliska@suse.cz>
9025 2021-04-21 Martin Liska <mliska@suse.cz>
9027 * lto-wrapper.c (cpuset_popcount): Remove.
9028 (init_num_threads): Remove and use hardware_concurrency.
9030 2021-04-21 Martin Liska <mliska@suse.cz>
9033 * main.c (main): Call toplev::finalize in CHECKING_P mode.
9034 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
9035 when incremental LTO linking happens.
9037 2021-04-21 Martin Liska <mliska@suse.cz>
9039 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
9040 makeserver cannot be detected, then use -flto=N fallback.
9042 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
9044 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
9045 default to yes for aarch64-linux-gnu.
9046 * configure: Regenerate.
9048 2021-04-21 Martin Liska <mliska@suse.cz>
9050 * lto-wrapper.c (cpuset_popcount): Remove.
9051 (init_num_threads): Remove and use hardware_concurrency.
9053 2021-04-21 Martin Liska <mliska@suse.cz>
9055 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
9056 which remains to be '(... || 0)' and clang complains about it.
9057 * dwarf2out.c (AT_vms_delta): Declare conditionally.
9058 (add_AT_vms_delta): Likewise.
9059 * tree.c (fld_simplified_type): Use rather more common pattern
9060 for disabling of something (#if 0).
9061 (get_tree_code_name): Likewise.
9062 (verify_type_variant): Likewise.
9064 2021-04-21 Martin Liska <mliska@suse.cz>
9066 * config/i386/i386-expand.c (decide_alignment): Use newly named
9068 * config/i386/i386.c (ix86_decompose_address): Likewise.
9069 (ix86_address_cost): Likewise.
9070 (ix86_lea_outperforms): Likewise.
9071 (ix86_avoid_lea_for_addr): Likewise.
9072 (ix86_add_stmt_cost): Likewise.
9073 * config/i386/i386.h (TARGET_*): Remove.
9074 (TARGET_CPU_P): New macro.
9075 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
9076 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
9077 (swap_top_of_ready_list): Likewise.
9078 (ix86_atom_sched_reorder): Likewise.
9079 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
9080 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
9082 2021-04-21 Martin Liska <mliska@suse.cz>
9084 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
9086 (SET_TARGET_NO_SAHF): Likewise.
9087 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
9088 (SET_TARGET_PREFETCH_SSE): Likewise.
9089 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
9090 (SET_TARGET_NO_TUNE): Likewise.
9091 (TARGET_EXPLICIT_NO_80387_P): Likewise.
9092 (SET_TARGET_NO_80387): Likewise.
9094 * config/i386/i386.h (TARGET_*): Remove.
9095 * opth-gen.awk: Generate new used macros.
9097 2021-04-21 Martin Liska <mliska@suse.cz>
9099 * config/i386/i386.h (PTA_*): Remove.
9100 (enum pta_flag): New.
9101 (DEF_PTA): Generate PTA_* values from i386-isa.def.
9102 * config/i386/i386-isa.def: New file.
9104 2021-04-21 Alex Coplan <alex.coplan@arm.com>
9107 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
9108 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
9111 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
9113 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
9115 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
9117 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
9118 (ix86_handle_option): Handle -mmwait.
9119 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
9120 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
9121 __builtin_ia32_monitor and __builtin_ia32_mwait.
9122 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
9123 (ix86_valid_target_attribute_inner_p): Likewise.
9124 (ix86_option_override_internal): Enable mwait/monitor
9125 instructions for -msse3.
9126 * config/i386/i386.h (TARGET_MWAIT): New.
9127 (TARGET_MWAIT_P): Likewise.
9128 * config/i386/i386.opt: Add -mmwait.
9129 * config/i386/mwaitintrin.h: New file.
9130 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
9131 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
9133 (@sse3_monitor_<mode>): Likewise.
9134 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
9135 * doc/extend.texi: Document mwait target attribute.
9136 * doc/invoke.texi: Document -mmwait.
9138 2021-04-21 Martin Liska <mliska@suse.cz>
9140 * config/i386/i386-options.c (DEF_ENUM): Remove it.
9141 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
9142 * config/i386/stringop.def (DEF_ENUM): Likewise.
9144 2021-04-21 Martin Liska <mliska@suse.cz>
9146 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
9147 of print_generic_expr.
9149 2021-04-21 Jakub Jelinek <jakub@redhat.com>
9151 PR rtl-optimization/100148
9152 * cprop.c (constprop_register): Use next_nondebug_insn instead of
9155 2021-04-21 Martin Liska <mliska@suse.cz>
9158 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
9159 free_dominance_info calls.
9161 2021-04-21 Richard Biener <rguenther@suse.de>
9163 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
9164 parameter (and assume it to be false).
9165 (fold_gimple_assign): Adjust, remove all callers of
9166 maybe_fold_reference calling it with is_lhs true.
9167 (gimple_fold_call): Likewise.
9168 (fold_stmt_1): Likewise.
9170 2021-04-21 Richard Biener <rguenther@suse.de>
9172 * fold-const.c (pedantic_non_lvalue_loc): Remove.
9173 (fold_binary_loc): Adjust.
9174 (fold_ternary_loc): Likewise.
9176 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
9178 PR middle-end/100130
9179 * varasm.c (get_block_for_decl): Make sure that any use of the
9180 retain attribute matches the section's retain flag.
9181 (switch_to_section): Check for retain mismatches even when
9182 changing sections, but do not warn if the given decl is the
9183 section's named.decl.
9184 (output_object_block): Pass the first decl in the block (if any)
9185 to switch_to_section.
9187 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
9189 * config/i386/i386-c.c (ix86_target_macros_internal): Define
9190 __CRC32__ for -mcrc32.
9191 * config/i386/i386-options.c (ix86_option_override_internal):
9192 Enable crc32 instruction for -msse4.2.
9193 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
9195 (sse4_2_crc32di): Likewise.
9196 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
9199 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
9202 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
9205 2021-04-20 Martin Liska <mliska@suse.cz>
9207 * doc/invoke.texi: Fix typo.
9208 * params.opt: Likewise.
9210 2021-04-20 Martin Liska <mliska@suse.cz>
9212 * doc/invoke.texi: Document new param.
9214 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
9216 PR tree-optimization/100081
9217 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
9218 rather than gori_compute_cache.
9219 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
9220 (range_def_chain::m_logical_depth): New member.
9221 (range_def_chain::range_def_chain): Initialize m_logical_depth.
9222 (range_def_chain::get_def_chain): Don't build defchains through more
9223 than LOGICAL_LIMIT logical expressions.
9224 * params.opt (param_ranger_logical_depth): New.
9226 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
9229 * config/arm/arm.c (arm_configure_build_target): Do not strip
9230 extended FPU/SIMD feature bits from the target ISA when -mfpu
9231 is specified (partial revert of r11-8168).
9233 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
9235 * params.opt (-param=openacc-kernels=): Add.
9236 * omp-oacc-kernels-decompose.cc
9237 (pass_omp_oacc_kernels_decompose::gate): Use it.
9238 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
9239 (--param): ... here, 'openacc-kernels'.
9241 2021-04-19 Martin Liska <mliska@suse.cz>
9244 * gengtype.c (finish_root_table): Align function arguments
9245 in between declaration and definition.
9247 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
9249 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
9250 frames larger than the SEH maximum frame size.
9252 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
9254 PR rtl-optimization/99927
9255 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
9256 is dead, just drop it.
9258 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
9261 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
9262 * doc/tm.texi: Regenerate.
9263 * doc/tm.texi.in (D language and ABI): Add @hook for
9264 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
9266 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
9268 * config/darwin-d.c (darwin_d_handle_target_object_format): New
9270 (darwin_d_register_target_info): New function.
9271 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9272 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
9274 (dragonfly_d_register_target_info): New function.
9275 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9276 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
9278 (freebsd_d_register_target_info): New function.
9279 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9280 * config/glibc-d.c (glibc_d_handle_target_object_format): New
9282 (glibc_d_register_target_info): New function.
9283 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9284 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
9286 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
9287 as handler for objectFormat key.
9288 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
9290 (winnt_d_register_target_info): New function.
9291 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9292 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
9294 (netbsd_d_register_target_info): New function.
9295 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9296 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
9298 (openbsd_d_register_target_info): New function.
9299 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9300 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
9301 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
9302 handler for objectFormat key.
9303 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
9305 (rs6000_d_register_target_info): Add
9306 rs6000_d_handle_target_object_format as handler for objectFormat key.
9307 * config/sol2-d.c (solaris_d_handle_target_object_format): New
9309 (solaris_d_register_target_info): New function.
9310 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9312 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9315 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
9316 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
9318 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
9319 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
9320 the old and new alignment after applying MIN/MAX to it is different.
9322 2021-04-16 Tamar Christina <tamar.christina@arm.com>
9325 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
9326 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
9328 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
9330 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
9332 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
9333 this section and its subsections.
9335 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9338 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
9339 define_insn patterns.
9341 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
9343 PR rtl-optimization/98689
9344 * reg-notes.def (UNTYPED_CALL): New note.
9345 * combine.c (distribute_notes): Handle it.
9346 * emit-rtl.c (try_split): Likewise.
9347 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
9348 that calls with the note implicitly set all return value registers.
9349 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
9352 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
9354 PR rtl-optimization/99596
9355 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
9356 register accesses for const calls. Assume that pure functions
9357 can only read from global registers. Ignore cases in which
9358 the stack pointer has been marked global.
9360 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9363 * tree-vect-loop.c (vect_transform_loop): Don't remove just
9364 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
9365 them by their last argument.
9367 2021-04-15 Martin Liska <mliska@suse.cz>
9369 * doc/invoke.texi: Other params don't use it, remove it.
9371 2021-04-15 Richard Biener <rguenther@suse.de>
9373 * gimple-builder.h: Add deprecation note.
9375 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
9378 * attribs.h (restrict_type_identity_attributes_to): Declare.
9379 * attribs.c (restrict_type_identity_attributes_to): New function.
9381 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
9384 * attribs.h (affects_type_identity_attributes): Declare.
9385 * attribs.c (remove_attributes_matching): New function.
9386 (affects_type_identity_attributes): Likewise.
9388 2021-04-15 Jakub Jelinek <jakub@redhat.com>
9391 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
9392 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
9393 ZERO_EXTEND, SIGN_EXTEND or AND.
9395 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9397 PR rtl-optimization/99929
9398 * rtl.h (same_vector_encodings_p): New function.
9399 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
9400 * cselib.c (rtx_equal_for_cselib_1): Likewise.
9401 * jump.c (rtx_renumbered_equal_p): Likewise.
9402 * lra-constraints.c (operands_match_p): Likewise.
9403 * reload.c (operands_match_p): Likewise.
9404 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
9406 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9408 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
9409 more information about variable-length CONST_VECTORs.
9411 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
9413 PR rtl-optimization/100066
9414 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
9415 ordered modes when choosing splitting mode for hard reg.
9417 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9420 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
9422 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
9424 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
9426 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
9427 for mask operand types.
9428 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
9429 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
9431 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
9433 * config/s390/s390.c (s390_const_operand_ok): Check the new
9434 operand types and generate a list of valid values.
9436 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9438 * doc/tm.texi: Regenerate.
9439 * doc/tm.texi.in (D language and ABI): Add @hook for
9440 TARGET_D_REGISTER_OS_TARGET_INFO.
9442 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9444 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
9446 (aarch64_d_register_target_info): New function.
9447 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
9449 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
9451 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
9452 (arm_d_register_target_info): New function.
9453 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
9454 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9455 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
9456 (ix86_d_register_target_info): New function.
9457 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
9458 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9459 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
9460 (mips_d_register_target_info): New function.
9461 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
9462 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9463 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
9464 (pa_d_register_target_info): New function.
9465 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
9466 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9467 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
9469 (riscv_d_register_target_info): New function.
9470 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
9471 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9472 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
9474 (rs6000_d_register_target_info): New function.
9475 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
9477 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9478 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
9479 (s390_d_register_target_info): New function.
9480 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
9481 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9482 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
9484 (sparc_d_register_target_info): New function.
9485 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
9486 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9487 * doc/tm.texi: Regenerate.
9488 * doc/tm.texi.in (D language and ABI): Add @hook for
9489 TARGET_D_REGISTER_CPU_TARGET_INFO.
9491 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9493 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
9494 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
9495 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
9496 * doc/tm.texi: Regenerate.
9497 * doc/tm.texi.in (D language and ABI): Add @hook for
9498 TARGET_D_HAS_STDCALL_CONVENTION.
9500 2021-04-14 Richard Biener <rguenther@suse.de>
9502 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
9503 VEC_COND_EXPRs have a gimple_val condition.
9504 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
9505 can no longer have a GENERIC condition.
9507 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
9510 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
9511 from the isa_delta when -mfpu has been used.
9512 (arm_options_perform_arch_sanity_checks): It's the architecture that
9513 lacks an FPU not the processor.
9515 2021-04-13 Richard Biener <rguenther@suse.de>
9517 PR tree-optimization/100053
9518 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
9519 not use optimistic dominance queries for backedges to validate
9521 (dominated_by_p_w_unex): Add parameter to ignore executable
9523 (rpo_elim::eliminate_avail): Adjust.
9525 2021-04-13 Jakub Jelinek <jakub@redhat.com>
9528 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
9529 *aarch64_bfxilsi_extrdi): New define_insn patterns.
9531 2021-04-13 Jakub Jelinek <jakub@redhat.com>
9534 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
9535 outermode, return NULL if the result doesn't encode back to the
9536 original byte sequence.
9537 (simplify_gen_subreg): Don't create SUBREGs from constants to
9538 MODE_COMPOSITE_P outermode.
9540 2021-04-12 Jakub Jelinek <jakub@redhat.com>
9542 PR rtl-optimization/99905
9543 * combine.c (expand_compound_operation): If pos + len > modewidth,
9544 perform the right shift by pos in inner_mode and then convert to mode,
9545 instead of trying to simplify a shift of rtx with inner_mode by pos
9546 as if it was a shift in mode.
9548 2021-04-12 Jakub Jelinek <jakub@redhat.com>
9551 * combine.c (simplify_and_const_int_1): Don't optimize varop
9552 away if it has side-effects.
9554 2021-04-12 Martin Liska <mliska@suse.cz>
9556 * doc/extend.texi: Escape @smallexample content.
9558 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
9560 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
9561 alternative in order to load a DFP zero.
9563 2021-04-12 Martin Liska <mliska@suse.cz>
9565 * doc/extend.texi: Be more precise in documentation
9566 of symver attribute.
9568 2021-04-12 Martin Liska <mliska@suse.cz>
9571 * gimplify.c (gimplify_expr): Right now, we unpoison all
9572 variables before a goto <dest>. We should not do it if we are
9575 2021-04-12 Cui,Lili <lili.cui@intel.com>
9577 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
9579 * common/config/i386/i386-common.c (processor_names): Add
9581 (processor_alias_table): Add rocketlake.
9582 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
9583 INTEL_COREI7_ROCKETLAKE.
9584 * config.gcc: Add -march=rocketlake.
9585 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
9587 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
9588 (processor_cost_table): Add rocketlake cost.
9589 * config/i386/i386.h (ix86_size_cost) : Define
9591 (processor_type) : Add PROCESSOR_ROCKETLAKE.
9592 (PTA_ROCKETLAKE): Ditto.
9593 * doc/extend.texi: Add rocketlake.
9594 * doc/invoke.texi: Add rocketlake.
9596 2021-04-12 Cui,Lili <lili.cui@intel.com>
9598 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
9599 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
9600 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
9601 * doc/invoke.texi: Change alderlake ISA list.
9603 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
9606 * omp-expand.c (expand_oacc_collapse_init): Update condition in
9609 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
9612 * config/i386/serializeintrin.h (_serialize): Defined as macro.
9614 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9617 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
9618 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
9620 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9623 * gimple-ssa-warn-alloca.c
9624 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
9625 0 with integer precision unconditionally.
9627 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9629 PR rtl-optimization/98601
9630 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
9631 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
9632 unaligned_mems handle VOIDmode like BLKmode.
9634 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
9637 * tree.c (free_lang_data_in_decl): Do not release body of
9638 declare_variant_alt.
9640 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
9642 * config/aarch64/aarch64.c (aarch64_option_restore): If the
9643 architecture was specified explicitly and the tuning wasn't,
9644 tune for the architecture rather than the configured default CPU.
9646 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
9648 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
9649 as the temporary register.
9651 2021-04-09 Martin Liska <mliska@suse.cz>
9653 * doc/extend.texi: Move non-target attributes on the top level.
9655 2021-04-09 Martin Liska <mliska@suse.cz>
9657 * doc/invoke.texi: Document minimum and maximum value of the
9658 argument for both supported compression algorithms.
9660 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
9662 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
9663 TLS BSS before TLS data.
9664 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
9666 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
9668 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
9670 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
9672 * match.pd: Extend vec_cond folds to handle shifts.
9674 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
9676 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
9679 2021-04-08 Alex Coplan <alex.coplan@arm.com>
9682 * config/arm/iterators.md (MVE_vecs): New.
9683 (V_elem): Also handle V2DF.
9684 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
9685 (*mve_vdup<mode>): ... this. Remove second alternative since
9686 vec_duplicate of const_int is not canonical RTL, and we don't
9687 want to match symbol_refs.
9688 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
9690 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
9692 * fold-const.c (fold_single_bit_test): Fix typo.
9693 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
9696 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
9698 PR tree-optimization/97513
9699 * tree-vect-slp.c (vect_add_slp_permutation): New function,
9701 (vectorizable_slp_permutation): ...here. Detect cases in which
9702 all VEC_PERM_EXPRs are guaranteed to have the same stepped
9703 permute vector and only generate one permute vector for that case.
9704 Extend that case to handle variable-length vectors.
9706 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
9708 PR tree-optimization/99873
9709 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
9710 (vect_build_slp_instance): Don't split store groups that could
9711 use IFN_STORE_LANES.
9713 2021-04-07 Jakub Jelinek <jakub@redhat.com>
9716 * varasm.c (output_constant_pool_contents): Don't strip name encoding
9717 from XSTR (desc->sym, 0) or from label before passing those to
9720 2021-04-07 Richard Biener <rguenther@suse.de>
9722 PR tree-optimization/99954
9723 * tree-loop-distribution.c: Include tree-affine.h.
9724 (generate_memcpy_builtin): Try using tree-affine to prove
9726 (loop_distribution::classify_builtin_ldst): Always classify
9729 2021-04-07 Richard Biener <rguenther@suse.de>
9731 PR tree-optimization/99947
9732 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
9733 steps vector to avoid pushing elements from the reallocated
9736 2021-04-07 Richard Biener <rguenther@suse.de>
9738 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
9739 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
9741 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
9743 (debug_vn_reference_ops): New.
9745 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
9747 PR tree-optimization/98736
9748 * tree-loop-distribution.c
9749 * (loop_distribution::bb_top_order_init):
9750 Compute RPO with programing order preserved by calling function
9751 rev_post_order_and_mark_dfs_back_seme.
9753 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
9756 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
9757 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
9759 (process_bb_lives): Don't update biggest mode of hard reg for
9760 implicit in multi-register group. Use the new functions for
9761 updating dead_set and unused_set by register notes.
9763 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
9765 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
9768 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
9770 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
9771 (skylake_memset): Likewise.
9772 (skylake_cost): Change CLEAR_RATIO to 17.
9773 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
9774 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
9775 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
9777 2021-04-06 Richard Biener <rguenther@suse.de>
9779 PR tree-optimization/99880
9780 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
9781 set vectorized defs of relevant PHIs.
9783 2021-04-06 Richard Biener <rguenther@suse.de>
9785 PR tree-optimization/99924
9786 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
9787 nodes w/o scalar stmts as visited.
9789 2021-04-06 Alex Coplan <alex.coplan@arm.com>
9792 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
9793 PCS for [su]fix_optab.
9795 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
9797 * config/darwin.c (machopic_legitimize_pic_address): Check
9798 that the current pic register is one of the hard reg set
9799 before setting liveness.
9801 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
9803 * config/darwin.c (machopic_legitimize_pic_address): Fix
9804 whitespace, remove unused code.
9806 2021-04-03 Jakub Jelinek <jakub@redhat.com>
9808 PR tree-optimization/99882
9809 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
9812 2021-04-03 Jakub Jelinek <jakub@redhat.com>
9814 PR rtl-optimization/99863
9815 * dse.c (replace_read): Drop regs_live argument. Instead of
9816 regs_live, use store_insn->fixed_regs_live if non-NULL,
9817 otherwise punt if insns sequence clobbers or sets any hard
9820 2021-04-03 Jakub Jelinek <jakub@redhat.com>
9823 * targhooks.h (default_print_patchable_function_entry_1): Declare.
9824 * targhooks.c (default_print_patchable_function_entry_1): New function,
9825 copied from default_print_patchable_function_entry with an added flags
9827 (default_print_patchable_function_entry): Rewritten into a small
9828 wrapper around default_print_patchable_function_entry_1.
9829 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
9831 (rs6000_print_patchable_function_entry): New function.
9833 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
9835 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
9837 2021-04-01 Jason Merrill <jason@redhat.com>
9840 * common.opt: Document v15 and v16.
9842 2021-04-01 Richard Biener <rguenther@suse.de>
9844 PR tree-optimization/99863
9845 * gimplify.c (gimplify_init_constructor): Recompute vector
9848 2021-04-01 Jakub Jelinek <jakub@redhat.com>
9850 * doc/extend.texi (symver attribute): Fix up syntax errors
9853 2021-04-01 Jakub Jelinek <jakub@redhat.com>
9855 PR tree-optimization/96573
9856 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
9859 2021-04-01 Richard Biener <rguenther@suse.de>
9861 PR tree-optimization/99856
9862 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
9863 precision to vector element precision.
9865 2021-04-01 Martin Jambor <mjambor@suse.cz>
9867 PR tree-optimization/97009
9868 * tree-sra.c (access_or_its_child_written): New function.
9869 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
9872 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
9875 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
9877 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
9880 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
9881 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
9882 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
9883 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
9884 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
9885 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
9887 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
9888 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
9889 (define_attr "prefixed"): Update initializer.
9891 2021-03-31 Jakub Jelinek <jakub@redhat.com>
9894 * dwarf2out.c (debug_ranges_dwo_section): New variable.
9895 (DW_RANGES_IDX_SKELETON): Define.
9896 (struct dw_ranges): Add begin_entry and end_entry members.
9897 (DEBUG_DWO_RNGLISTS_SECTION): Define.
9898 (add_ranges_num): Adjust r initializer for addition of *_entry
9900 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
9901 set idx to DW_RANGES_IDX_SKELETON.
9902 (use_distinct_base_address_for_range): New function.
9903 (index_rnglists): Don't set r->idx if it is equal to
9904 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
9905 r->end_entry for -gsplit-dwarf if those will be needed by
9907 (output_rnglists): Add DWO argument. If true, switch to
9908 debug_ranges_dwo_section rather than debug_ranges_section.
9909 Adjust l1/l2 label indexes. Only output the offset table when
9910 dwo is true and don't include in there the skeleton range
9911 entry if present. For -gsplit-dwarf, skip ranges that belong
9912 to the other rnglists section. Change return type from void
9913 to bool and return true if there are any range entries for
9914 the other section. For dwarf_split_debug_info use
9915 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
9916 entries instead of DW_RLE_start_end, DW_RLE_start_length and
9917 DW_RLE_base_address. Use use_distinct_base_address_for_range.
9918 (init_sections_and_labels): Initialize debug_ranges_dwo_section
9919 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
9920 and range_base_label indexes.
9921 (dwarf2out_finish): Call index_rnglists earlier before finalizing
9922 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
9923 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
9924 with different dwo arguments.
9925 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
9927 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
9929 PR tree-optimization/98268
9930 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
9931 recompute_tree_invariant_for_addr_expr after successfully
9932 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
9934 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
9936 PR tree-optimization/99726
9937 * tree-data-ref.c (create_intersect_range_checks_index): Bail
9938 out if there is more than one access function SCEV for the loop
9941 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
9943 PR rtl-optimization/97141
9944 PR rtl-optimization/98726
9945 * emit-rtl.c (valid_for_const_vector_p): Return true for
9947 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
9948 poly_wide_int instead of a wide_int.
9949 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
9951 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
9952 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
9953 false for CONST_VECTORs that cannot be forced to memory.
9954 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
9955 is too complex to force to memory, build it up from individual
9958 2021-03-31 Jan Hubicka <jh@suse.cz>
9961 * cgraph.c (cgraph_node::release_body): Fix overactive check.
9963 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
9966 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
9969 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
9971 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
9972 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
9974 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
9975 "rep movsb/stosb" only for known sizes.
9976 * config/i386/i386-options.c (processor_cost_table): Use Ice
9977 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
9978 Rapids and Alder Lake.
9979 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
9980 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
9981 (icelake_memset): Likewise.
9982 (icelake_cost): Likewise.
9983 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
9986 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
9989 * config/aarch64/aarch64.c
9990 (aarch64_vectorize_preferred_vector_alignment): Query the size
9991 of the provided SVE vector; do not assume that all SVE vectors
9994 2021-03-31 Jan Hubicka <jh@suse.cz>
9997 * cgraph.c (cgraph_node::release_body): Remove all callers and
9999 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
10000 * cgraphunit.c (cgraph_node::expand): And here.
10002 2021-03-31 Martin Liska <mliska@suse.cz>
10004 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
10005 and one negated condition.
10007 2021-03-31 Jakub Jelinek <jakub@redhat.com>
10008 Richard Sandiford <richard.sandiford@arm.com>
10011 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
10012 constraints on operands[2] and similarly 0 and rk constraints
10013 on operands[1] corresponding to that.
10015 2021-03-31 Jakub Jelinek <jakub@redhat.com>
10018 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
10019 linker doesn't support DWARF sections new in DWARF5.
10020 * config/i386/i386-options.c (ix86_option_override_internal): Default
10021 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
10023 * config.in: Regenerated.
10024 * configure: Regenerated.
10026 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10029 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
10030 available issue_info before using it.
10032 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10035 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
10038 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
10041 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
10042 (altivec_lvsl_reg_<mode>): ... this.
10043 (altivec_lvsr_reg): Change to ...
10044 (altivec_lvsr_reg_<mode>): ... this.
10045 * config/rs6000/predicates.md (vec_set_index_operand): New.
10046 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10047 Enable 32bit variable vec_insert for all TARGET_VSX.
10048 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
10049 Enable 32bit variable vec_insert for p9 and above.
10050 (rs6000_expand_vector_set_var_p8): Rename to ...
10051 (rs6000_expand_vector_set_var_p7): ... this.
10052 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
10054 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
10055 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
10056 gen_altivec_lvsr_reg_di.
10058 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
10061 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
10062 (__rdtscp): Likewise.
10064 2021-03-30 Tamar Christina <tamar.christina@arm.com>
10066 PR tree-optimization/99825
10067 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
10068 Reject non-mult 2 lanes.
10070 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
10073 * config/arm/arm.c (arm_file_start): Fix emission of
10074 Tag_ABI_VFP_args attribute.
10076 2021-03-30 Richard Biener <rguenther@suse.de>
10078 PR tree-optimization/99824
10079 * stor-layout.c (set_min_and_max_values_for_integral_type):
10080 Assert the precision is within the bounds of
10081 WIDE_INT_MAX_PRECISION.
10082 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
10083 the outermost component ref only to lower the access size
10084 and initialize that from the access type.
10086 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
10089 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
10090 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
10092 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
10094 * config/aarch64/aarch64.md
10095 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
10096 attribute to disambiguate between SIMD and FP variants of the
10099 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
10101 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
10102 (analyze_ssa_name_flags): Fix typo in comment.
10104 2021-03-29 Alex Coplan <alex.coplan@arm.com>
10107 * config/aarch64/aarch64-sve-builtins.cc
10108 (function_builder::add_function): Add placeholder_p argument, use
10109 placeholder decls if this is set.
10110 (function_builder::add_unique_function): Instead of conditionally adding
10111 direct overloads, unconditionally add either a direct overload or a
10113 (function_builder::add_overloaded_function): Set placeholder_p if we're
10114 using C++ overloads. Use the obstack for string storage instead
10115 of relying on the tree nodes.
10116 (function_builder::add_overloaded_functions): Don't return early for
10117 m_direct_overloads: we need to add placeholders.
10118 * config/aarch64/aarch64-sve-builtins.h
10119 (function_builder::add_function): Add placeholder_p argument.
10121 2021-03-29 Richard Biener <rguenther@suse.de>
10123 PR tree-optimization/99807
10124 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
10125 assert below VEC_PERM handling.
10127 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10130 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
10131 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
10132 matching const_int 0.
10133 (move_lo_quad_internal_be_<mode>): Likewise.
10134 (move_lo_quad_<mode>): Update for the above.
10135 * config/aarch64/iterators.md (VQ_2E): Delete.
10137 2021-03-29 Jakub Jelinek <jakub@redhat.com>
10139 PR tree-optimization/99777
10140 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
10141 types other than scalar integral types.
10143 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
10145 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
10146 XCOFF TLS reloc decorations.
10148 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
10150 * doc/analyzer.texi (Analyzer Internals): Update link to
10151 "A Memory Model for Static Analysis of C Programs".
10153 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
10155 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
10156 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
10158 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
10159 (rs6000_special_round_type_align): Recursively check innermost first
10162 2021-03-26 Jakub Jelinek <jakub@redhat.com>
10165 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
10166 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
10167 assignment with drap_reg active, queue reg save for hfp with offset 0
10168 and flush queued reg saves. When handling a push with rule18,
10169 defer queueing reg save for hfp and just assert the offset is 0.
10170 (scan_trace): Assert that fde->rule18 is false.
10172 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
10175 * ira-costs.c (record_reg_classes): Put case with
10176 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
10177 * ira.c (ira_setup_alts): Ditto.
10178 * lra-constraints.c (process_alt_operands): Ditto.
10179 * recog.c (asm_operand_ok): Ditto.
10180 * reload.c (find_reloads): Ditto.
10182 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10184 * config/aarch64/aarch64-protos.h
10185 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
10186 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
10187 * config/aarch64/aarch64.c (generic_addrcost_table): Update
10188 accordingly, using the same costs as for post_modify.
10189 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
10190 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
10191 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
10192 (a64fx_addrcost_table): Likewise.
10193 (neoversev1_addrcost_table): New.
10194 (neoversev1_tunings): Use neoversev1_addrcost_table.
10195 (aarch64_address_cost): Use the new post_modify costs for CImode
10198 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10200 * config/aarch64/aarch64.opt
10201 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
10202 * doc/invoke.texi: Document it.
10203 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
10204 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
10205 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
10206 (aarch64_vec_issue_info): New structures.
10207 (cpu_vector_cost): Write comments above the variables rather
10209 (cpu_vector_cost::issue_info): New member variable.
10210 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
10211 and tree-ssa-loop-niter.h.
10212 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
10213 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
10214 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
10215 (thunderx3t110_vector_cost): Initialize issue_info to null.
10216 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
10217 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
10218 (neoversev1_vector_cost): Use them.
10219 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
10220 (aarch64_vector_costs::saw_sve_only_op): New member variable.
10221 (aarch64_vector_costs::num_vector_iterations): Likewise.
10222 (aarch64_vector_costs::scalar_ops): Likewise.
10223 (aarch64_vector_costs::advsimd_ops): Likewise.
10224 (aarch64_vector_costs::sve_ops): Likewise.
10225 (aarch64_vector_costs::seen_loads): Likewise.
10226 (aarch64_simd_vec_costs_for_flags): New function.
10227 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
10228 Count the number of predicate operations required by SVE WHILE
10230 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
10231 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
10232 (aarch64_count_ops): Likewise.
10233 (aarch64_add_stmt_cost): Record whether see an SVE operation
10234 that cannot currently be implementing using Advanced SIMD.
10235 Record issue information about the scalar, Advanced SIMD
10236 and (where relevant) SVE versions of a loop.
10237 (aarch64_vec_op_count::dump): New function.
10238 (aarch64_sve_op_count::dump): Likewise.
10239 (aarch64_estimate_min_cycles_per_iter): Likewise.
10240 (aarch64_adjust_body_cost): If issue information is available,
10241 try to compare the issue rates of the various loop implementations
10242 and increase or decrease the vector body cost accordingly.
10244 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10246 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
10247 Assume a zero cost for induction phis.
10249 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10251 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
10253 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
10254 vector comparisons.
10256 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10258 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
10260 (aarch64_add_stmt_cost): Call it.
10262 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10264 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
10265 New tuning parameter.
10266 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
10267 (aarch64_estimated_sve_vq): New function.
10268 (aarch64_vector_costs::analyzed_vinfo): New member variable.
10269 (aarch64_vector_costs::is_loop): Likewise.
10270 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
10271 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
10272 (aarch64_record_potential_advsimd_unrolling): New function.
10273 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
10274 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
10275 aarch64_analyze_bb_vinfo on the first use of a costs structure.
10276 Detect whether we're vectorizing a loop for SVE that might be
10277 completely unrolled if it used Advanced SIMD instead.
10278 (aarch64_adjust_body_cost_for_latency): New function.
10279 (aarch64_finish_cost): Call it.
10281 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10283 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
10284 (aarch64_init_cost): New function.
10285 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
10286 the default unsigned[3].
10287 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
10288 (TARGET_VECTORIZE_INIT_COST): Override.
10289 (TARGET_VECTORIZE_FINISH_COST): Likewise.
10290 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
10292 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10294 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
10295 (neoversev1_sve_vector_cost): New cost structures.
10296 (neoversev1_vector_cost): Likewise.
10297 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
10299 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10301 * config/aarch64/aarch64-protos.h
10302 (sve_vec_cost::scatter_store_elt_cost): New member variable.
10303 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
10304 accordingly, taking the cost from the cost of a scalar_store.
10305 (a64fx_sve_vector_cost): Likewise.
10306 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
10308 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10310 * config/aarch64/aarch64-protos.h
10311 (simd_vec_cost::store_elt_extra_cost): New member variable.
10312 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10313 accordingly, using the vec_to_scalar cost for the new field.
10314 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10315 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10316 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10317 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10318 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10319 (thunderx3t110_advsimd_vector_cost): Likewise.
10320 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
10322 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10324 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
10325 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
10326 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
10327 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10328 accordingly, using zero for the new costs.
10329 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10330 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10331 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10332 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10333 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10334 (thunderx3t110_advsimd_vector_cost): Likewise.
10335 (aarch64_ld234_st234_vectors): New function.
10336 (aarch64_adjust_stmt_cost): Likewise.
10337 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
10338 the new vector costs.
10340 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10342 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
10343 derived class of simd_vec_cost. Add information about CLAST[AB]
10344 and FADDA instructions.
10345 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
10346 accordingly, using the vec_to_scalar costs for the new fields.
10347 (a64fx_sve_vector_cost): Likewise.
10348 (aarch64_reduc_type): New function.
10349 (aarch64_sve_in_loop_reduction_latency): Likewise.
10350 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
10351 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
10352 that occur in the loop body.
10353 (aarch64_add_stmt_cost): Update call accordingly.
10355 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10357 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
10359 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
10360 above the fields rather than to the right.
10361 (simd_vec_cost::reduc_i8_cost): New member variable.
10362 (simd_vec_cost::reduc_i16_cost): Likewise.
10363 (simd_vec_cost::reduc_i32_cost): Likewise.
10364 (simd_vec_cost::reduc_i64_cost): Likewise.
10365 (simd_vec_cost::reduc_f16_cost): Likewise.
10366 (simd_vec_cost::reduc_f32_cost): Likewise.
10367 (simd_vec_cost::reduc_f64_cost): Likewise.
10368 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10369 accordingly, using the vec_to_scalar_cost for the new fields.
10370 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10371 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10372 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10373 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10374 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10375 (thunderx3t110_advsimd_vector_cost): Likewise.
10376 (aarch64_use_new_vector_costs_p): New function.
10377 (aarch64_simd_vec_costs): New function, split out from...
10378 (aarch64_builtin_vectorization_cost): ...here.
10379 (aarch64_is_reduction): New function.
10380 (aarch64_detect_vector_stmt_subtype): Likewise.
10381 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
10382 using the new vector costs.
10384 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10387 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
10388 TLS declarations as public.
10390 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10392 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
10393 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
10394 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
10395 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
10396 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
10397 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
10398 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
10399 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
10400 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
10402 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10405 * config.gcc (*-*-cygwin*): Add winnt-d.o
10406 (*-*-mingw*): Likewise.
10407 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
10408 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
10409 * config/i386/t-cygming: Add winnt-d.o.
10410 * config/i386/winnt-d.c: New file.
10412 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10414 * config/freebsd-d.c: Include memmodel.h.
10416 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10419 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
10420 * config/t-openbsd: Add openbsd-d.o.
10421 * config/openbsd-d.c: New file.
10423 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
10425 PR tree-optimization/96974
10426 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
10427 with graceful exit.
10429 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10432 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10436 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
10437 always_inline in system headers.
10439 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
10441 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
10443 2021-03-25 Jakub Jelinek <jakub@redhat.com>
10446 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
10447 * fold-const.c (operand_compare::operand_equal_p): Don't compare
10448 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
10450 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10454 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
10455 always_inline in system headers.
10457 2021-03-25 Richard Biener <rguenther@suse.de>
10459 PR tree-optimization/99746
10460 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
10461 the scalar stmt as patterned. Instead set up required things
10464 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
10466 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
10469 2021-03-24 Martin Liska <mliska@suse.cz>
10472 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
10474 * config/i386/i386-options.c (ix86_option_override_internal):
10475 Add run-time assert.
10477 2021-03-24 Martin Jambor <mjambor@suse.cz>
10480 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
10481 parameters with unknown type.
10482 (ipacp_value_safe_for_type): New function.
10483 (propagate_vals_across_arith_jfunc): Verify that the constant type
10484 can be used for a type of the formal parameter.
10485 (propagate_vals_across_ancestor): Likewise.
10486 (propagate_scalar_across_jump_function): Likewise. Pass the type
10487 also to propagate_vals_across_ancestor.
10489 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
10492 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
10494 (movmisalign<mode>_mve_load): Likewise.
10496 2021-03-24 Jakub Jelinek <jakub@redhat.com>
10499 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
10500 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
10502 2021-03-24 Alexandre Oliva <oliva@adacore.com>
10504 * doc/sourcebuild.texi (sysconf): New effective target.
10506 2021-03-24 Alexandre Oliva <oliva@adacore.com>
10508 * config/i386/predicates.md (reg_or_const_vec_operand): New.
10509 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
10510 the now *-prefixed insn_and_split, turn the splitter const vec
10511 into an input for the insn, making it an ignored immediate for
10512 non-split cases, and loaded into the scratch register
10515 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
10518 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
10519 Use define_relaxed_memory_constraint for them.
10521 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
10524 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
10525 colon to the diagnostic message.
10527 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
10529 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
10531 (try_fwprop_subst_note): Use set_info instead of insn_info.
10532 (try_fwprop_subst_pattern): Likewise.
10533 (try_fwprop_subst_notes): Likewise.
10534 (try_fwprop_subst): Likewise.
10535 (forward_propagate_subreg): Likewise.
10536 (forward_propagate_and_simplify): Likewise.
10537 (forward_propagate_into): Likewise.
10538 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
10540 (set_info::single_nondebug_insn_use): Likewise.
10541 (set_info::single_phi_use): Likewise.
10542 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
10544 (set_info::single_nondebug_insn_use): Likewise.
10545 (set_info::single_phi_use): Likewise.
10547 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
10549 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
10551 2021-03-23 Jakub Jelinek <jakub@redhat.com>
10554 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
10555 expand_mult to perform an unsigned rather than a signed
10558 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
10561 * config/i386/cpuid.h (__cpuid): Add __volatile__.
10562 (__cpuid_count): Likewise.
10564 2021-03-23 Richard Biener <rguenther@suse.de>
10566 PR tree-optimization/99721
10567 * tree-vect-slp.c (vect_slp_analyze_node_operations):
10568 Make sure we can schedule the node.
10570 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10572 * config/riscv/riscv.c (riscv_subword): Take endianness into
10573 account when calculating the byte offset.
10575 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10577 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
10578 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
10579 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
10580 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
10581 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
10582 new predicate "subreg_lowpart_operator"
10584 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10586 * config/riscv/riscv.c (riscv_swap_instruction): New function
10587 to byteswap an SImode rtx containing an instruction.
10588 (riscv_trampoline_init): Byteswap the generated instructions
10591 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10593 * common/config/riscv/riscv-common.c
10594 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
10595 * config.gcc (riscv32be-*, riscv64be-*): Set
10596 TARGET_BIG_ENDIAN_DEFAULT to 1.
10597 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
10598 depending on default endianness.
10599 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
10600 * config/riscv/linux.h (LINK_SPEC): Likewise.
10601 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
10602 default endianness.
10603 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
10605 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10607 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
10608 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
10609 * config/riscv/linux.h (LINK_SPEC): Likewise.
10610 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
10612 (BYTES_BIG_ENDIAN): Handle big endian.
10613 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
10614 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
10616 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
10618 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
10620 * regcprop.c (find_oldest_value_reg): Ask target whether
10621 different mode is fine for replacement register.
10623 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
10625 PR tree-optimization/99296
10626 * value-range.cc (irange::irange_set_1bit_anti_range): New.
10627 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
10628 * value-range.h (irange::irange_set_1bit_anti_range): New.
10630 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
10633 * config/aarch64/constraints.md (UtQ): Use
10634 define_relaxed_memory_constraint for it.
10635 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
10636 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10637 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
10638 (have_relaxed_memory_constraints): New static var.
10639 (relaxed_memory_start, relaxed_memory_end): Ditto.
10640 (add_constraint): Add arg is_relaxed_memory. Check name for
10641 relaxed memory. Set up is_relaxed_memory in constraint_data and
10642 have_relaxed_memory_constraints. Adjust calls.
10643 (choose_enum_order): Process relaxed memory.
10644 (write_tm_preds_h): Ditto.
10645 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10646 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10647 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
10648 * ira-lives.c (single_reg_class): Use
10649 insn_extra_relaxed_memory_constraint.
10650 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
10651 * lra-constraints.c (valid_address_p): Use
10652 insn_extra_relaxed_memory_constraint instead of other memory
10654 (process_alt_operands): Process CT_RELAXED_MEMORY.
10655 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
10656 * recog.c (asm_operand_ok, preprocess_constraints): Process
10658 * reload.c (find_reloads): Ditto.
10659 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
10660 * stmt.c (parse_input_constraint): Use
10661 insn_extra_relaxed_memory_constraint.
10663 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
10666 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
10669 2021-03-22 Alex Coplan <alex.coplan@arm.com>
10672 * config/arm/arm-protos.h (neon_make_constant): Add generate
10673 argument to guard emitting insns, default to true.
10674 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
10675 CONST_VECTORs which neon_make_constant can't handle.
10676 (neon_vdup_constant): Add generate argument, avoid emitting
10677 insns if it's not set.
10678 (neon_make_constant): Plumb new generate argument through.
10679 * config/arm/constraints.md (Ui): New. Use it...
10680 * config/arm/mve.md (*mve_mov<mode>): ... here.
10681 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
10682 synthesize constants.
10684 2021-03-22 Richard Biener <rguenther@suse.de>
10686 * debug.h: Add deprecation warning.
10688 2021-03-22 Richard Biener <rguenther@suse.de>
10690 PR tree-optimization/99694
10691 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
10694 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
10697 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
10698 after type checking.
10700 2021-03-22 Jakub Jelinek <jakub@redhat.com>
10704 * dwarf2out.c (get_full_len): Use get_precision rather than
10706 (add_const_value_attribute): Make sure add_AT_wide argument has
10707 precision prec rather than some very wide one.
10709 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
10711 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
10712 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
10713 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
10714 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
10715 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
10716 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
10717 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
10718 *fix_trunc<mode>si2_internal): Fix empty split condition.
10719 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
10720 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
10721 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
10722 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
10724 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
10727 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
10728 Convert idx to DImode.
10729 (rs6000_expand_vector_set_var_p8): Likewise.
10731 2021-03-21 Jakub Jelinek <jakub@redhat.com>
10734 * dwarf2out.c (insert_float): Change return type from void to
10735 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
10736 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
10739 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
10742 * config/i386/i386.c (construct_container): Check cfun != NULL
10743 before accessing silent_p.
10745 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
10747 * asan.c: Fix typos in comments.
10749 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
10751 PR rtl-optimization/99680
10752 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
10753 (process_address_1): Check empty constraint before using
10756 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
10758 * config/rs6000/rs6000.c (power10_cost): New.
10759 (rs6000_option_override_internal): Set Power10 costs.
10760 (rs6000_issue_rate): Set Power10 issue rate.
10761 * config/rs6000/power10.md: Rewrite for Power10.
10763 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
10766 * lra-constraints.c (process_address_1): Don't use unknown
10767 constraint for address constraint.
10769 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
10772 * config.gcc (powerpc-*-darwin8): Delete the reference to
10773 the now removed darwin8.h.
10775 2021-03-19 Olivier Hainque <hainque@adacore.com>
10778 * config/vxworksae.h (VX_CPU_PREFIX): Define.
10780 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
10782 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
10784 2021-03-19 Tamar Christina <tamar.christina@arm.com>
10786 PR tree-optimization/99656
10787 * tree-vect-slp-patterns.c (linear_loads_p,
10788 complex_add_pattern::matches, is_eq_or_top,
10789 vect_validate_multiplication, complex_mul_pattern::matches,
10790 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
10791 * tree-vectorizer.h: (complex_load_perm_t): Removed.
10792 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
10793 complex_load_perm_t.
10795 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
10798 * config/i386/i386-options.c (ix86_init_machine_status): Set
10800 * config/i386/i386.c (init_cumulative_args): Set silent_p to
10802 (construct_container): Return early for return and argument
10803 errors if silent_p is true.
10804 * config/i386/i386.h (machine_function): Add silent_p.
10806 2021-03-19 Jakub Jelinek <jakub@redhat.com>
10809 * config/arm/constraints.md (Ds): New constraint.
10810 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
10811 constraint instead of w,Dm.
10813 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
10815 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
10818 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
10820 PR middle-end/99641
10821 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
10822 array type, do the computation of the current position in sizetype.
10824 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
10827 * lra-constraints.c (process_address_1): Use lookup_constraint
10828 only for a single constraint.
10830 2021-03-18 Martin Sebor <msebor@redhat.com>
10832 PR middle-end/99502
10833 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
10834 (inbounds_memaccess_p): ...to this. Check the ending offset of
10835 the accessed member.
10837 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
10839 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
10840 %> quote markers to error messages.
10841 (gcn_goacc_validate_dims): Likewise.
10842 (gcn_conditional_register_usage): Remove exclaimation mark from error
10844 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
10846 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
10848 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
10851 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
10852 Kito Cheng <kito.cheng@sifive.com>
10854 * config/riscv/riscv.c (riscv_block_move_straight): Change type
10855 to unsigned HOST_WIDE_INT for parameter and local variable with
10856 HOST_WIDE_INT type.
10857 (riscv_adjust_block_mem): Ditto.
10858 (riscv_block_move_loop): Ditto.
10859 (riscv_expand_block_move): Ditto.
10861 2021-03-18 Nick Clifton <nickc@redhat.com>
10863 * config/v850/v850.c (construct_restore_jr): Increase static
10865 (construct_save_jarl): Likewise.
10866 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
10868 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10870 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
10871 (aarch64_override_options_internal): Use it.
10872 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
10875 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
10877 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
10878 error message format issues.
10879 (nios2_option_override): Likewise.
10880 (nios2_expand_fpu_builtin): Likewise.
10881 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
10882 truncation warning.
10883 (nios2_expand_custom_builtin): More error message format fixes.
10884 (nios2_expand_rdwrctl_builtin): Likewise.
10885 (nios2_expand_rdprs_builtin): Likewise.
10886 (nios2_expand_eni_builtin): Likewise.
10887 (nios2_expand_builtin): Likewise.
10888 (nios2_register_custom_code): Likewise.
10889 (nios2_valid_target_attribute_rec): Likewise.
10890 (nios2_add_insn_asm): Fix uninitialized variable warning.
10892 2021-03-17 Jan Hubicka <jh@suse.cz>
10894 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
10895 of gather to match reality.
10896 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
10898 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10900 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
10901 to compare against CC_REG rather than NE.
10903 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
10906 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
10907 inline assembly statements.
10908 (ix86_print_operand): Update 'P' handling for -fno-plt.
10910 2021-03-17 Tamar Christina <tamar.christina@arm.com>
10913 * config/aarch64/aarch64.c
10914 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
10916 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
10919 * config/rs6000/predicates.md (branch_comparison_operator): Allow
10920 ordered and unordered for CCFPmode, if flag_finite_math_only.
10922 2021-03-16 Jakub Jelinek <jakub@redhat.com>
10925 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
10926 rather than ASHIFT.
10927 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
10929 2021-03-16 Martin Liska <mliska@suse.cz>
10932 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
10933 cl_optimization_compare function.
10935 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
10937 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
10940 2021-03-16 Jakub Jelinek <jakub@redhat.com>
10943 * config/i386/i386.h (struct machine_function): Add
10944 has_explicit_vzeroupper bitfield.
10945 * config/i386/i386-expand.c (ix86_expand_builtin): Set
10946 cfun->machine->has_explicit_vzeroupper when expanding
10947 IX86_BUILTIN_VZEROUPPER.
10948 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
10949 Do the mode switching only when TARGET_VZEROUPPER, expensive
10950 optimizations turned on and not optimizing for size.
10951 (pass_insert_vzeroupper::gate): Enable even when
10952 cfun->machine->has_explicit_vzeroupper is set.
10954 2021-03-16 Jakub Jelinek <jakub@redhat.com>
10957 * config/aarch64/aarch64.c
10958 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
10959 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
10960 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
10962 2021-03-15 Richard Biener <rguenther@suse.de>
10964 PR tree-optimization/98834
10965 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
10966 subsetting by truncating the access size.
10968 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
10970 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
10971 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
10974 2021-03-15 Martin Liska <mliska@suse.cz>
10976 * spellcheck.c: Add missing comma in initialization.
10978 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
10980 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
10981 alternative 2 and alternative 1 with alternative 3 using
10982 YW register constraint.
10983 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
10984 using YW register constraint.
10985 (*vec_extractv16qi_zext): Ditto.
10986 (*vec_extractv4si): Merge alternatives 4 and 5
10987 using Yw register constraint.
10988 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
10990 2021-03-13 Martin Sebor <msebor@redhat.com>
10992 PR tree-optimization/99489
10993 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
10994 is not a call statement.
10996 2021-03-13 Jakub Jelinek <jakub@redhat.com>
10998 PR tree-optimization/99544
10999 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
11000 if for vector types multiplication can't be done in type's mode.
11002 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
11005 * config/sparc/constraints.md (w): Rename to...
11006 (W): ... this and ditch previous implementation.
11007 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
11008 (*movdf_insn_sp64): Likewise.
11009 (*mov<VM64:mode>_insn_sp64): Likewise.
11010 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
11012 (atomic_compare_and_swap_leon3_1): Likewise.
11013 (*atomic_compare_and_swapdi_v8plus): Likewise.
11014 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
11015 architecture and add missing address validity check during LRA.
11017 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
11020 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
11021 occuring for assumed-size arrays in use_device_{ptr,addr}.
11023 2021-03-12 Jakub Jelinek <jakub@redhat.com>
11026 * config/i386/constraints.md (YW): New internal constraint.
11027 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
11028 (*<sse2_avx2>_<insn><mode>3<mask_name>,
11029 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
11030 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
11032 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
11033 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
11034 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
11035 into one, use Yw instead of former x,v.
11036 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
11037 the last alternative.
11038 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
11039 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
11040 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
11041 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
11042 into one, use <v_Yw> instead of former x,v.
11043 (avx2_interleave_highv32qi<mask_name>,
11044 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
11045 constraints. Add && <mask_avx512bw_condition> to condition.
11046 (avx2_interleave_lowv32qi<mask_name>,
11047 vec_interleave_lowv16qi<mask_name>,
11048 avx2_interleave_highv16hi<mask_name>,
11049 vec_interleave_highv8hi<mask_name>,
11050 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
11051 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
11052 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
11053 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
11054 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
11055 Yw instead of v in constraints.
11056 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
11057 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
11058 instead of Yv in constraints.
11059 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
11060 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
11061 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
11062 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11063 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
11065 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
11066 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
11067 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
11068 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
11069 two, one with just x, another isa avx512vl with v.
11071 2021-03-12 Martin Liska <mliska@suse.cz>
11073 * doc/invoke.texi: Add missing param documentation.
11075 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11078 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
11079 analyzer/trimmed-graph.o.
11080 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
11081 feasibility checking to reflect new implementation.
11082 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
11084 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
11086 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11088 * digraph.cc (selftest::test_shortest_paths): Update
11089 shortest_paths init for new param. Add test of
11090 SPS_TO_GIVEN_TARGET.
11091 * shortest-paths.h (enum shortest_path_sense): New.
11092 (shortest_paths::shortest_paths): Add "sense" param.
11093 Update for renamings. Generalize to use "sense" param.
11094 (shortest_paths::get_shortest_path): Rename param.
11095 (shortest_paths::m_sense): New field.
11096 (shortest_paths::m_prev): Rename...
11097 (shortest_paths::m_best_edge): ...to this.
11098 (shortest_paths::get_shortest_path): Update for renamings.
11099 Conditionalize flipping of path on sense of traversal.
11101 2021-03-11 David Malcolm <dmalcolm@redhat.com>
11103 * digraph.cc (selftest::test_shortest_paths): Add test coverage
11104 for paths from B and C.
11105 * shortest-paths.h (shortest_paths::shortest_paths): Handle
11106 unreachable nodes, rather than asserting.
11108 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
11111 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
11112 xcoff_tbss_section_name.
11113 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
11114 * xcoffout.c (xcoff_tbss_section_name): Delete.
11115 * xcoffout.h (xcoff_tbss_section_name): Delete.
11117 2021-03-11 Richard Biener <rguenther@suse.de>
11119 PR tree-optimization/99523
11120 * tree-cfg.c (dump_function_to_file): Dump SSA names
11121 w/o identifier to the decls section as well, not only those
11122 without a VAR_DECL.
11124 2021-03-11 Jakub Jelinek <jakub@redhat.com>
11127 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
11128 function calls with lhs fail if the lhs don't have compatible types.
11130 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
11132 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
11133 Change FRAME_POINTER_REGNUM to correspond to a new faked
11134 register faked_fp, part of GENNONACR_REGS like faked_ap.
11135 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
11136 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
11137 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
11138 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
11139 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
11141 (CRIS_REAL_FP_REGNUM): New constant.
11142 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
11143 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
11144 (cris_initial_elimination_offset): Handle elimination changes
11145 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
11146 and add one from FRAME_POINTER_REGNUM to
11147 HARD_FRAME_POINTER_REGNUM.
11148 (cris_expand_prologue, cris_expand_epilogue): Emit code for
11149 hard_frame_pointer_rtx instead of frame_pointer_rtx.
11151 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
11154 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
11155 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
11157 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
11160 * lra-constraints.c (process_address_1): Don't check unknown
11161 constraint, use X for empty constraint.
11163 2021-03-10 Alex Coplan <alex.coplan@arm.com>
11165 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
11166 Fix typo in comment describing "is_ha" argument.
11168 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
11170 * doc/sourcebuild.texi: Document LRA target selector.
11172 2021-03-10 David Malcolm <dmalcolm@redhat.com>
11174 * doc/ux.texi: Add subsection contrasting interactive versus
11175 batch usage of GCC.
11177 2021-03-10 Joel Hutton <joel.hutton@arm.com>
11180 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
11182 (vectorizable_load): Fix gather load mask check condition.
11184 2021-03-10 Richard Biener <rguenther@suse.de>
11186 PR tree-optimization/99510
11187 * tree.c (check_aligned_type): Check that the candidate
11188 has TYPE_USER_ALIGN set instead of matching with the
11191 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
11193 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
11194 float and vector integer modes only if the mode is not larger.
11196 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
11198 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
11200 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11202 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
11204 * ira-lives.c (single_reg_class): Ditto.
11206 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
11208 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
11209 the architecture-specific rtems.h.
11210 (aarch64-*-rtems*): Likewise.
11211 (arm*-*-rtems*): Likewise.
11212 (epiphany-*-rtems*): Likewise.
11213 (riscv*-*-rtems*): Likewise.
11215 2021-03-09 Jakub Jelinek <jakub@redhat.com>
11217 PR tree-optimization/99305
11218 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
11219 before integer_all_onesp instead of vice versa.
11221 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
11223 * common/config/arm/arm-common.c (arm_config_default): Change type
11224 of 'i' to unsigned.
11226 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11229 * lra-constraints.c (process_address_1): Process constraint 'g'
11230 separately and digital constraints containing more one digit.
11232 2021-03-09 Nick Clifton <nickc@redhat.com>
11234 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
11235 (DWARF"_DEBUGGING_INFO): Define.
11237 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
11240 * calls.c (initialize_argument_information): When the argument
11241 is passed by reference, do not make a copy in a thunk only if
11242 the argument is already in memory. Remove redundant test for
11243 the case of callee copy.
11245 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
11248 * lra-constraints.c (process_address_1): Process 0..9 constraints
11249 in process_address_1.
11251 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
11253 * config/s390/s390.c (struct s390_processor processor_table):
11254 Binutils name string must not be empty.
11256 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
11258 * config/arc/arc.c (arc_attr_type): Remove function.
11260 2021-03-09 Martin Liska <mliska@suse.cz>
11263 * config/i386/i386-options.c (ix86_option_override_internal):
11264 Set isa_flags for OPTS argument and not for the global
11267 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
11269 * config/rs6000/predicates.md (ds_form_mem_operand): Check
11272 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
11275 * config/rs6000/predicates.md (ds_form_mem_operand) New
11277 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
11278 ds_form_mem_operand in ld/lwa patterns.
11279 * config/rs6000/fusion.md: Regenerate file.
11281 2021-03-08 Martin Sebor <msebor@redhat.com>
11283 PR middle-end/98266
11284 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
11285 (array_bounds_checker::check_array_bounds): Call it.
11287 2021-03-08 Martin Sebor <msebor@redhat.com>
11289 PR middle-end/97631
11290 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
11291 (handle_builtin_stxncpy_strncat): Rename locals. Determine
11292 destination size from allocation calls. Issue a more appropriate
11294 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
11295 (handle_builtin_memset): Same.
11297 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
11300 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
11301 to ensure we do not have an Altivec style address.
11302 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
11303 an Altivec style address.
11304 (*vsx_le_perm_store_<mode>): Likewise.
11305 (splitters after *vsx_le_perm_store_<mode>): Likewise.
11306 (vsx_load_<mode>): Disable special expander if passed an Altivec
11308 (vsx_store_<mode>): Likewise.
11310 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11313 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
11314 (aarch64_simd_shift_imm_vec_hi): Likewise.
11315 (aarch64_simd_shift_imm_vec_si): Likewise.
11316 (aarch64_simd_shift_imm_vec_di): Likewise.
11317 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
11318 predicate from above.
11319 (aarch64_shrn<mode>_insn_be): Likewise.
11320 (aarch64_rshrn<mode>_insn_le): Likewise.
11321 (aarch64_rshrn<mode>_insn_be): Likewise.
11322 (aarch64_shrn2<mode>_insn_le): Likewise.
11323 (aarch64_shrn2<mode>_insn_be): Likewise.
11324 (aarch64_rshrn2<mode>_insn_le): Likewise.
11325 (aarch64_rshrn2<mode>_insn_be): Likewise.
11327 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
11330 * lra-constraints.c (skip_contraint_modifiers): New function.
11331 (process_address_1): Use it before lookup_constraint call.
11333 2021-03-08 Martin Liska <mliska@suse.cz>
11336 * config/i386/i386-options.c (ix86_option_override_internal):
11337 Enable UINTR and HRESET for -march that supports it.
11339 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
11341 * config/s390/s390.c (f_constraint_p): New function.
11342 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
11343 (TARGET_MD_ASM_ADJUST): Likewise.
11345 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
11348 * tree-nested.c (convert_local_reference_stmt): Avoid calling
11349 lookup_field_for_decl for Fortran module (= namespace context).
11351 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
11353 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
11354 comparison with arithmetic right shift.
11355 (s390_expand_vcond): No need for a force_reg anymore.
11356 s390_vec_compare will do it.
11357 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
11358 immediate operands.
11360 2021-03-07 Jakub Jelinek <jakub@redhat.com>
11363 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
11364 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
11366 * config/i386/sse.md (v_Yw): New define_mode_attr.
11367 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
11368 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
11370 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
11371 xYw in constraints.
11373 2021-03-06 Julian Brown <julian@codesourcery.com>
11375 * tree-pretty-print.c (dump_generic_node): Emit non-generic
11376 address space info for aggregates.
11378 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
11380 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
11382 2021-03-05 Jakub Jelinek <jakub@redhat.com>
11384 PR middle-end/99322
11385 * tree-cfg.c (bb_to_omp_idx): New variable.
11386 (execute_build_cfg): Release the bb_to_omp_idx vector after
11387 cleanup_tree_cfg returns.
11388 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
11389 for bb_to_omp_idx being a vec<int> instead of pointer to array
11391 (make_edges): Remove bb_to_omp_idx local variable, don't pass
11392 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
11393 vec<int> instead of pointer to array of ints and don't free/release
11395 (remove_bb): When removing a bb and placing forced label somewhere
11396 else, ensure it is put into the same OpenMP region during cfg
11397 pass if possible or to entry successor as fallback. Unregister
11398 bb from bb_to_omp_idx.
11400 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
11403 * lra-constraints.c (process_address_1): Skip decomposing address
11404 for asm insn operand with unknown constraint.
11406 2021-03-05 Martin Jambor <mjambor@suse.cz>
11409 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
11410 corresponding speculative edges if we are about to resolve
11411 sepculation. Make edge direct (and so resolve speculations) before
11412 removing it from call_site_hash.
11413 (cgraph_edge::make_direct): Relax the initial assert to allow calling
11414 the function on speculative direct edges.
11416 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
11418 PR rtl-optimization/99376
11419 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
11420 of low-order zero bits is too large, set the result to 0 directly.
11422 2021-03-04 Jakub Jelinek <jakub@redhat.com>
11424 PR middle-end/93235
11425 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
11426 SUBREG and a SUBREG to op_mode can't be created.
11428 2021-03-04 Alex Coplan <alex.coplan@arm.com>
11431 * config/aarch64/aarch64-sve-builtins.cc
11432 (function_resolver::require_vector_type): Handle error_mark_node.
11434 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
11436 * cfgexpand.c (expand_asm_loc): Pass new parameter.
11437 (expand_asm_stmt): Likewise.
11438 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
11440 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
11441 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
11442 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
11443 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
11444 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
11445 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
11446 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
11447 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
11448 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
11449 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
11450 * doc/tm.texi (md_asm_adjust): Likewise.
11451 * target.def (md_asm_adjust): Likewise.
11453 2021-03-04 Richard Biener <rguenther@suse.de>
11455 PR middle-end/97855
11456 * tree-pretty-print.c: Poison pp_printf.
11457 (dump_decl_name): Avoid use of pp_printf.
11458 (dump_block_node): Likewise.
11459 (dump_generic_node): Likewise.
11461 2021-03-04 Martin Sebor <msebor@redhat.com>
11463 PR middle-end/96963
11464 PR middle-end/94655
11465 * builtins.c (handle_array_ref): New helper.
11466 (handle_mem_ref): New helper.
11467 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
11468 into new helper functions. Correct a workaround for vectorized
11471 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
11473 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
11474 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
11475 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
11476 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
11477 attribute for Power10.
11478 * config/rs6000/mma.md (*movoo): Likewise.
11479 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
11480 (define_mode_attr bits): Add DD/TD modes.
11481 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
11482 store_conditionalpti): Update size attribute for Power10.
11484 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11487 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
11488 -Wuninitialized, -Wmaybe-uninitialized.
11489 (wide-int.o-warn): Likewise.
11491 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
11493 * common/config/arm/arm-common.c: Include configargs.h.
11494 (arm_config_default): New function.
11495 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
11496 processors that do not support Thumb. Take into account the
11497 --with-mode configuration setting for selecting the default.
11498 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
11499 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
11501 2021-03-03 Martin Liska <mliska@suse.cz>
11503 PR gcov-profile/97461
11504 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
11506 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
11509 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
11510 point back the hard frame pointer to its default location when the
11511 frame is larger than SEH_MAX_FRAME_SIZE.
11513 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11516 * config/i386/predicates.md (logic_operator): New define_predicate.
11517 * config/i386/i386.md (mov + mem using comm arith peephole2):
11518 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
11519 and the inner mode is [QH]Imode.
11521 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11524 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
11525 (new_loc_list): Clear end_entry.
11526 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
11527 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
11529 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
11530 initialize also end_entry.
11532 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11535 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
11536 partitions, if in non-layout mode after reorder_blocks also move
11537 affected blocks to ensure a single partition transition.
11539 2021-03-03 Jason Merrill <jason@redhat.com>
11542 * cgraphunit.c (process_function_and_variable_attributes): Don't
11543 warn about flatten on an alias if the target also has it.
11544 * cgraph.h (symtab_node::get_alias_target_tree): New.
11546 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
11548 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
11549 period to symbol name.
11550 (tls_get_addr_internal<mode>): Same.
11552 2021-03-02 David Malcolm <dmalcolm@redhat.com>
11555 * diagnostic-show-locus.c
11556 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
11559 2021-03-02 Martin Sebor <msebor@redhat.com>
11561 PR middle-end/99276
11562 * builtins.c (warn_for_access): Remove stray warning text.
11564 2021-03-02 Martin Sebor <msebor@redhat.com>
11566 PR middle-end/99295
11567 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
11570 2021-03-02 Jakub Jelinek <jakub@redhat.com>
11573 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
11574 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
11575 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
11576 DW_MACRO_define_strx and DW_MACRO_undef_strx.
11577 (save_macinfo_strings): Use DW_MACRO_*_str* even with
11578 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
11579 DW_MACRO_undef_strx.
11581 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
11583 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
11585 (BT_FN_V8HI_V8HI_UINT): Likewise.
11586 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
11587 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
11588 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
11589 New builtin definitions.
11590 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
11591 vector extension version.
11592 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
11593 available with current -march level.
11594 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
11595 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
11596 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
11597 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
11598 (vec_extend_to_fp32_lo): Likewise.
11599 (vec_round_from_fp32): Likewise.
11600 (vec_convert_to_fp16): Likewise.
11601 (vec_convert_from_fp16): Likewise.
11602 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
11603 (vclfnls_v8hi): Likewise.
11604 (vcrnfs_v8hi): Likewise.
11605 (vcfn_v8hi): Likewise.
11606 (vcnf_v8hi): Likewise.
11608 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
11610 * common/config/s390/s390-common.c (processor_flags_table): New entry.
11611 * config.gcc: Enable arch14 for --with-arch and --with-tune.
11612 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
11613 arch14 for unknown CPU models.
11614 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
11615 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
11616 (s390_get_sched_attrmask): Likewise.
11617 (s390_get_unit_mask): Likewise.
11618 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
11619 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
11620 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
11621 (TARGET_NNPA_P): New macro definitions.
11622 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
11623 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
11625 2021-03-02 Jakub Jelinek <jakub@redhat.com>
11627 PR middle-end/95757
11628 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
11629 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
11630 != 1 comparisons if name is lhs of a comparison.
11632 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
11636 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
11637 * config/darwin.c (darwin_should_restore_cfa_state): New.
11638 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
11639 * doc/tm.texi: Regenerated.
11640 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
11641 * dwarf2cfi.c (connect_traces): If the target requests, restore
11642 the CFA expression after a DW_CFA_restore.
11643 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
11645 2021-03-01 Martin Liska <mliska@suse.cz>
11648 * optc-save-gen.awk: Add 4 more exceptions.
11650 2021-03-01 Nathan Sidwell <nathan@acm.org>
11653 * tree.h (TYPE_ALIGN_RAW): New accessor.
11654 (TYPE_ALIGN): Use it.
11656 2021-03-01 Jan Hubicka <jh@suse.cz>
11659 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
11661 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
11664 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
11665 point the hard frame pointer to the SSE register save area instead
11666 of the general register save area. Perform only minimal adjustment
11667 for small frames if it is initially not correctly aligned.
11668 (ix86_expand_prologue): Remove early saves for a SEH target.
11669 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
11671 2021-02-28 Jakub Jelinek <jakub@redhat.com>
11674 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
11675 typo - referneced -> referenced.
11676 * tree.c (component_ref_size): Fix comment typo -
11677 refernce -> reference.
11678 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
11679 traling -> trailing.
11680 (aliasing_component_refs_p): Fix comment typos -
11681 refernce -> reference and refernece -> reference and
11682 traling -> trailing.
11683 (nonoverlapping_refs_since_match_p): Fix comment typo -
11684 referneces -> references.
11685 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
11686 referneces -> references.
11688 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
11690 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
11691 diagnostic message to avoid use of a contraction and format
11694 2021-02-27 Jakub Jelinek <jakub@redhat.com>
11697 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
11698 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
11699 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
11700 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
11703 2021-02-26 Richard Biener <rguenther@suse.de>
11705 PR middle-end/99281
11706 * expr.c (store_field): For calls with return-slot optimization
11707 and addressable return type expand the store directly.
11709 2021-02-26 Richard Biener <rguenther@suse.de>
11712 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
11714 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
11717 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
11720 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
11722 * config.gcc: Add rs6000-pcrel-opt.o.
11723 * config/rs6000/rs6000-pcrel-opt.c: New file.
11724 * config/rs6000/pcrel-opt.md: New file.
11725 * config/rs6000/predicates.md: Add d_form_memory predicate.
11726 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
11727 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
11728 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
11729 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
11730 and make_pass_pcrel_opt().
11731 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
11732 (rs6000_option_override_internal): Add pcrel-opt.
11733 (rs6000_delegitimize_address): Support pcrel-opt.
11734 (rs6000_opt_masks): Add pcrel-opt.
11735 (pcrel_opt_valid_mem_p): New function.
11736 (reg_to_non_prefixed): Make global.
11737 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
11738 (output_pcrel_opt_reloc): New function.
11739 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
11740 (pcrel_extern_addr): Set loads_extern_addr.
11741 Add include for pcrel-opt.md.
11742 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
11743 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
11746 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
11749 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
11750 If TARGET_64BIT and dest is SUBREG, we check the width, if it
11751 equal to SImode, we use SImode operation, just like what we are
11754 2021-02-26 Marek Polacek <polacek@redhat.com>
11756 * builtins.c (warn_for_access): Fix typos.
11758 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
11760 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
11761 mark in front of the immediate quantity.
11762 (<optab>_rolsi3_uxtw): Likewise.
11764 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
11767 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
11768 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
11769 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
11770 address and disable when the FPCXT is not available.
11771 (nonsecure_call_value_reg_thumb2): Likewise.
11773 2021-02-25 Nathan Sidwell <nathan@acm.org>
11776 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
11778 2021-02-25 Tamar Christina <tamar.christina@arm.com>
11780 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
11782 2021-02-25 Richard Biener <rguenther@suse.de>
11784 PR tree-optimization/99253
11785 * tree-vect-loop.c (check_reduction_path): First compute
11786 code, then verify out-of-loop uses.
11788 2021-02-25 Jakub Jelinek <jakub@redhat.com>
11791 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
11793 2021-02-25 Jakub Jelinek <jakub@redhat.com>
11795 PR tree-optimization/80635
11796 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
11797 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
11798 has mode precision.
11800 2021-02-25 Richard Biener <rguenther@suse.de>
11802 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
11803 load_map population.
11804 (vect_match_slp_patterns_2): Revert part of last change.
11805 (vect_analyze_slp): Do not interleave optimize_load_redistribution
11806 with pattern detection but do it afterwards. Dump the
11807 whole SLP graph after pattern recognition and load
11808 redistribution optimization finished.
11810 2021-02-24 Jakub Jelinek <jakub@redhat.com>
11813 * omp-low.c (struct omp_context): Add teams_nested_p and
11814 nonteams_nested_p members.
11815 (scan_omp_target): Diagnose teams nested inside of target with other
11816 directives strictly nested inside of the same target.
11817 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
11818 ctx->nonteams_nested_p as needed.
11820 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
11822 PR inline-asm/99123
11823 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
11825 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
11827 * config/cris/cris.c (cris_expand_prologue): Set
11828 current_function_static_stack_size, if flag_stack_usage_info.
11830 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
11832 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
11833 (rs6000_final_prescan_insn): Adjust.
11834 (rs6000_asm_output_opcode): Likewise.
11836 2021-02-24 Martin Sebor <msebor@redhat.com>
11838 PR middle-end/97172
11839 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
11840 from function arguments.
11842 2021-02-24 Tamar Christina <tamar.christina@arm.com>
11844 PR tree-optimization/99220
11845 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
11846 node from cache when it's about to be deleted.
11848 2021-02-24 Jakub Jelinek <jakub@redhat.com>
11850 PR tree-optimization/99225
11851 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
11852 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
11853 build_int_cst (..., 1). Formatting fixes.
11855 2021-02-24 Tamar Christina <tamar.christina@arm.com>
11857 PR tree-optimization/99149
11858 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
11860 (vect_slp_reset_pattern): Remove.
11861 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
11862 (complex_mul_pattern::build, complex_fma_pattern::build,
11863 complex_fms_pattern::build): Fix ref counts.
11864 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
11865 when node is being deleted.
11866 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
11867 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
11869 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
11871 2021-02-24 Matthias Klose <doko@ubuntu.com>
11874 2020-12-07 Matthias Klose <doko@ubuntu.com>
11876 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
11877 and ENABLE_RTL_FLAG_CHECKING.
11879 2021-02-24 Richard Biener <rguenther@suse.de>
11882 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
11884 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
11886 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
11887 (vsx_assemble_pair): ...to this.
11888 (*mma_assemble_pair): Rename from this...
11889 (*vsx_assemble_pair): ...to this.
11890 (mma_disassemble_pair): Rename from this...
11891 (vsx_disassemble_pair): ...to this.
11892 (*mma_disassemble_pair): Rename from this...
11893 (*vsx_disassemble_pair): ...to this.
11894 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
11895 BU_COMPAT): New macros.
11896 (mma_assemble_pair): Rename from this...
11897 (vsx_assemble_pair): ...to this.
11898 (mma_disassemble_pair): Rename from this...
11899 (vsx_disassemble_pair): ...to this.
11900 (mma_assemble_pair): New compatibility built-in.
11901 (mma_disassemble_pair): Likewise.
11902 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
11903 (RS6000_BUILTIN_COMPAT): Define.
11904 (bdesc_compat): New.
11905 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
11906 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
11907 and VSX_BUILTIN_ASSEMBLE_PAIR.
11908 (rs6000_init_builtins): Register compatibility built-ins.
11909 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
11910 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
11911 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
11912 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
11913 (__builtin_vsx_assemble_pair): ...to this.
11914 (__builtin_mma_disassemble_pair): Rename from this...
11915 (__builtin_vsx_disassemble_pair): ...to this.
11917 2021-02-23 Martin Liska <mliska@suse.cz>
11920 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
11921 with different alignment. That leads to an invalid red zone
11922 size allocated in runtime.
11924 2021-02-23 Jakub Jelinek <jakub@redhat.com>
11926 PR tree-optimization/99204
11927 * fold-const.c (fold_read_from_constant_string): Check that
11928 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
11930 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
11931 Kewen Lin <linkw@gcc.gnu.org>
11933 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
11934 (rotl<mode>3_insert_3): ...this.
11935 (plus_ior_xor): New code_iterator.
11936 (define_split for GPR rl*imi): New splitter.
11937 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
11938 for integer merging.
11940 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11942 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
11944 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
11945 into a register when the above is enabled.
11946 * config/aarch64/aarch64.c (neoversev1_tunings):
11947 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
11948 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
11950 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
11952 * config/cris/cris.c (cris_print_operand) <'T'>: Change
11953 valid operand from is now an addi mult-value to shift-value.
11954 * config/cris/cris.md (*addi): Change expression of scaled
11955 operand from mult to ashift.
11956 * config/cris/cris.md (*addi_reload): New insn_and_split.
11958 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
11961 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
11962 hook_bool_const_tree_hwi_hwi_const_tree_true.
11963 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
11965 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
11967 PR rtl-optimization/98791
11968 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
11969 for unordered modes.
11971 2021-02-22 Martin Liska <mliska@suse.cz>
11973 * tree-inline.c (inline_forbidden_p): Set
11974 inline_forbidden_reason.
11976 2021-02-22 Richard Biener <rguenther@suse.de>
11978 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
11981 2021-02-22 Richard Biener <rguenther@suse.de>
11983 PR tree-optimization/99165
11984 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
11985 Accumulate changed to ret.
11987 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
11990 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
11992 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
11994 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
11997 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
11999 (trunctf<DFP_ALL:mode>2): Likewise.
12000 (trunctdtf2_vr): Likewise.
12001 (trunctdtf2): Likewise.
12002 (extend<DFP_ALL:mode>tf2_vr): Likewise.
12003 (extend<DFP_ALL:mode>tf2): Likewise.
12004 (extendtftd2_vr): Likewise.
12005 (extendtftd2): Likewise.
12007 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
12009 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
12010 add memory alternative.
12011 (tf_to_fprx2): New pattern.
12013 2021-02-19 Martin Sebor <msebor@redhat.com>
12016 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
12017 (attr_access::free_lang_data): Remove a spurious test.
12019 2021-02-19 Nathan Sidwell <nathan@acm.org>
12021 * doc/invoke.texi (flang-info-module-read): Document.
12023 2021-02-19 Martin Liska <mliska@suse.cz>
12025 PR translation/99167
12026 * params.opt: Fix typo.
12028 2021-02-19 Richard Biener <rguenther@suse.de>
12030 PR middle-end/99122
12031 * tree-inline.c (inline_forbidden_p): Do not inline functions
12032 with VLA arguments or return value.
12034 2021-02-19 Jakub Jelinek <jakub@redhat.com>
12037 * config/arm/arm.md (*stack_protect_combined_set_insn,
12038 *stack_protect_combined_test_insn): If force_const_mem result
12039 is not valid general operand, force its address into the destination
12042 2021-02-19 Jakub Jelinek <jakub@redhat.com>
12045 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
12046 pad or non-local label, put FORCED_LABELs from bb b after that label
12047 rather than before it.
12049 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
12052 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
12053 expand_vector_broadcast' to emit the vec_duplicate operand.
12055 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
12057 PR rtl-optimization/96264
12058 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
12061 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
12064 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
12065 looking up the retain attribute.
12066 (resolve_unique_section): Likewise.
12067 (get_variable_section): Likewise.
12068 (switch_to_section): Likewise. Warn when a symbol without the
12069 retain attribute and a symbol with the retain attribute are
12070 placed in the section with the same name, instead of the used
12072 * doc/extend.texi: Document the "retain" attribute.
12074 2021-02-18 Nathan Sidwell <nathan@acm.org>
12077 * doc/invoke.texi (flang-info-include-translate): Document header
12080 2021-02-18 Richard Biener <rguenther@suse.de>
12082 PR middle-end/99122
12083 * ipa-fnsummary.c (analyze_function_body): Set
12084 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
12085 * tree-inline.c (insert_init_debug_bind): Pass NULL for
12086 error_mark_node values.
12087 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
12089 (setup_one_parameter): Delay force_value_to_type until when
12092 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
12094 PR tree-optimization/99142
12095 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
12097 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12099 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
12100 wide_int_bitmask::wide_int_bitmask (uint64_t),
12101 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
12102 wide_int_bitmask::operator ~ () const,
12103 wide_int_bitmask::operator | (wide_int_bitmask) const,
12104 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
12106 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
12107 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
12108 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
12109 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
12110 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
12111 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
12112 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
12113 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
12114 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
12115 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
12116 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
12117 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
12118 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
12119 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
12120 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
12121 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
12122 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
12123 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
12124 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
12125 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
12126 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
12127 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
12128 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
12129 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
12131 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12133 PR middle-end/99109
12134 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
12135 (build_printable_array_type): ... this. Add nelts argument. For
12136 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
12137 nelts, call build_array_type_nelts.
12138 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
12139 instead of build_zero_elt_array_type and build_array_type_nelts.
12141 2021-02-18 Jakub Jelinek <jakub@redhat.com>
12144 * config/i386/i386.c (distance_non_agu_define): Don't call
12145 extract_insn_cached here.
12146 (ix86_lea_outperforms): Save and restore recog_data around call
12147 to distance_non_agu_define and distance_agu_use.
12148 (ix86_ok_to_clobber_flags): Remove.
12149 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
12150 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
12151 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
12152 into define_insn. Move the splitting to define_peephole2 and
12153 check there using peep2_regno_dead_p if FLAGS_REG is dead.
12155 2021-02-17 Julian Brown <julian@codesourcery.com>
12157 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
12160 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
12163 * config/mips/mips.c (mips_symbol_insns): Do not use
12164 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
12166 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
12168 PR inline-asm/98096
12169 * stmt.c (resolve_operand_name_1): Take inout operands into account
12170 for access to labels by names.
12171 * doc/extend.texi: Describe counting operands for accessing labels.
12173 2021-02-16 Richard Biener <rguenther@suse.de>
12175 PR tree-optimization/38474
12176 * tree-ssa-structalias.c (variable_info::address_taken): New.
12177 (new_var_info): Initialize address_taken.
12178 (process_constraint): Set address_taken.
12179 (solve_constraints): Use the new address_taken flag rather
12180 than is_reg_var for sorting variables.
12181 (dump_constraint): Dump the variable number if the name
12184 2021-02-16 Jakub Jelinek <jakub@redhat.com>
12187 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
12188 multiply by 4096 and for inbranch by 8192.
12189 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
12190 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
12192 2021-02-15 Maya Rashish <coypu@sdf.org>
12194 * config/aarch64/aarch64.c (aarch64_init_builtins):
12195 Call SUBTARGET_INIT_BUILTINS.
12197 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
12199 PR rtl-optimization/98872
12200 * init-regs.c (initialize_uninitialized_regs): Skip initialization
12201 if CONST0_RTX is NULL.
12203 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
12205 PR rtl-optimization/98863
12206 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
12207 (function_info::build_info): Turn into a declaration, moving the
12208 definition to internals.h.
12209 (function_info::bb_walker): Declare.
12210 (function_info::create_reg_use): Likewise.
12211 (function_info::calculate_potential_phi_regs): Take a build_info
12213 (function_info::place_phis, function_info::create_ebbs): Declare.
12214 (function_info::calculate_ebb_live_in_for_debug): Likewise.
12215 (function_info::populate_backedge_phis): Delete.
12216 (function_info::start_block, function_info::end_block): Declare.
12217 (function_info::populate_phi_inputs): Delete.
12218 (function_info::m_potential_phi_regs): Move information to build_info.
12219 * rtl-ssa/internals.h: New file.
12220 (function_info::bb_phi_info): New class.
12221 (function_info::build_info): Moved from functions.h.
12222 Add a constructor and destructor.
12223 (function_info::build_info::ebb_use): Delete.
12224 (function_info::build_info::ebb_def): Likewise.
12225 (function_info::build_info::bb_live_out): Likewise.
12226 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
12227 (function_info::build_info::potential_phi_regs): Likewise.
12228 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
12229 (function_info::build_info::ebb_def_regs): Likewise.
12230 (function_info::build_info::bb_phis): Likewise.
12231 (function_info::build_info::bb_mem_live_out): Likewise.
12232 (function_info::build_info::bb_to_rpo): Likewise.
12233 (function_info::build_info::def_stack): Likewise.
12234 (function_info::build_info::old_def_stack_limit): Likewise.
12235 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
12236 Remove the regno argument. Push the previous definition onto the
12237 definition stack where necessary.
12238 * rtl-ssa/accesses.cc: Include internals.h.
12239 * rtl-ssa/changes.cc: Likewise.
12240 * rtl-ssa/blocks.cc: Likewise.
12241 (function_info::build_info::build_info): Define.
12242 (function_info::build_info::~build_info): Likewise.
12243 (function_info::bb_walker): New class.
12244 (function_info::bb_walker::bb_walker): Define.
12245 (function_info::add_live_out_use): Convert a logarithmic-complexity
12246 test into a linear one. Allow the same definition to be passed
12248 (function_info::calculate_potential_phi_regs): Moved from
12249 functions.cc. Take a build_info parameter and store the
12250 information there instead.
12251 (function_info::place_phis): New function.
12252 (function_info::add_entry_block_defs): Update call to record_reg_def.
12253 (function_info::calculate_ebb_live_in_for_debug): New function.
12254 (function_info::add_phi_nodes): Use bb_phis to decide which
12255 registers need phi nodes and initialize ebb_def_regs accordingly.
12256 Do not add degenerate phis here.
12257 (function_info::add_artificial_accesses): Use create_reg_use.
12258 Assert that all definitions are listed in the DF LR sets.
12259 Update call to record_reg_def.
12260 (function_info::record_block_live_out): Record live-out register
12261 values in the phis of successor blocks. Use the live-out set
12262 when processing the last block in an EBB, instead of always
12263 using the live-in sets of successor blocks. AND the live sets
12264 with the set of registers that have been defined in the EBB,
12265 rather than with all potential phi registers. Cope correctly
12266 with branches back to the start of the current EBB.
12267 (function_info::start_block): New function.
12268 (function_info::end_block): Likewise.
12269 (function_info::populate_phi_inputs): Likewise.
12270 (function_info::create_ebbs): Likewise.
12271 (function_info::process_all_blocks): Rewrite into a multi-phase
12273 * rtl-ssa/functions.cc: Include internals.h.
12274 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
12275 (function_info::init_function_data): Remove caller.
12276 * rtl-ssa/insns.cc: Include internals.h
12277 (function_info::create_reg_use): New function. Lazily any
12278 degenerate phis needed by the linear RPO view.
12279 (function_info::record_use): Use create_reg_use. When processing
12280 debug uses, use potential_phi_regs and test it before checking
12281 whether the register is live on entry to the current EBB. Lazily
12282 calculate ebb_live_in_for_debug.
12283 (function_info::record_call_clobbers): Update call to record_reg_def.
12284 (function_info::record_def): Likewise.
12286 2021-02-15 Martin Liska <mliska@suse.cz>
12288 * toplev.c (init_asm_output): Free output of
12289 gen_command_line_string function.
12290 (process_options): Likewise.
12292 2021-02-15 Martin Liska <mliska@suse.cz>
12294 * params.opt: Add 2 missing Param keywords.
12296 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
12298 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
12300 2021-02-15 Jakub Jelinek <jakub@redhat.com>
12302 PR tree-optimization/99079
12303 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
12304 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
12305 require both type and TREE_TYPE (@1) to be integral types and either
12306 type having smaller or equal precision, or TREE_TYPE (@1) being
12307 unsigned type, or type being signed type. If TREE_TYPE (@1)
12308 doesn't have wrapping overflow, perform the subtraction of one in
12311 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
12312 Richard Biener <rguether@suse.de>
12315 * ipa-reference.c (ipa_init): Only conditinally initialize
12316 reference_vars_to_consider.
12317 (propagate): Conditionally deninitialize reference_vars_to_consider.
12318 (ipa_reference_write_optimization_summary): Sanity check that
12319 reference_vars_to_consider is not allocated.
12321 2021-02-13 Levy Hsu <admin@levyhsu.com>
12324 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
12325 extend parameter to get_si_mem_base_reg declaration.
12326 (get_si_mem_base_reg): Add extend parameter. Set it.
12327 (analyze): Pass extend arg to get_si_mem_base_reg.
12328 (transform): Likewise. Use it when rewriting mems.
12329 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
12330 loads and emit sign/zero extending load followed by subreg move.
12332 2021-02-13 Jim Wilson <jimw@sifive.com>
12335 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
12336 exit when !reload_completed. Only perform check for compressed reg
12337 if reload_completed.
12338 (riscv_rtx_costs): In MEM case, when optimizing for size and
12339 shorten memrefs, if not compressible, then increase cost.
12341 2021-02-13 Jakub Jelinek <jakub@redhat.com>
12343 PR rtl-optimization/98439
12344 * recog.c (pass_split_before_regstack::gate): Enable even when
12345 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
12348 2021-02-13 Jakub Jelinek <jakub@redhat.com>
12351 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
12352 swap of V2SImode elements in memory into DImode memory rotate by 32.
12354 2021-02-12 Martin Sebor <msebor@redhat.com>
12356 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
12358 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
12360 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
12361 m_temp_obstack rather than m_obstack to allocate the temporary use.
12363 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
12365 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
12366 as read-modify operations.
12368 2021-02-12 Richard Biener <rguenther@suse.de>
12370 PR middle-end/38474
12371 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
12372 fbi->aa_walk_budget is bigger than zero. Update
12373 fbi->aa_walk_budget.
12374 (param_change_prob): Likewise.
12375 * ipa-prop.c (detect_type_change_from_memory_writes):
12376 Properly account walk_aliased_vdefs.
12377 (parm_preserved_before_stmt_p): Canonicalize updates.
12378 (parm_ref_data_preserved_p): Likewise.
12379 (parm_ref_data_pass_through_p): Likewise.
12380 (determine_known_aggregate_parts): Account own alias queries.
12382 2021-02-12 Martin Liska <mliska@suse.cz>
12384 * opts-common.c (decode_cmdline_option): Release werror_arg.
12385 * opts.c (gen_producer_string): Release output of
12386 gen_command_line_string.
12388 2021-02-12 Richard Biener <rguenther@suse.de>
12390 PR tree-optimization/38474
12391 * params.opt (-param=max-store-chains-to-track=): New param.
12392 (-param=max-stores-to-track=): Likewise.
12393 * doc/invoke.texi (max-store-chains-to-track): Document.
12394 (max-stores-to-track): Likewise.
12395 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
12397 (pass_store_merging::m_n_stores): Likewise.
12398 (pass_store_merging::terminate_and_process_chain): Update
12399 m_n_stores and m_n_chains.
12400 (pass_store_merging::process_store): Likewise. Terminate
12401 oldest chains if the number of stores or chains get too large.
12402 (imm_store_chain_info::terminate_and_process_chain): Dump
12405 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
12407 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
12408 the cold section, emit a nop before the directive if the previous
12409 active instruction can throw.
12411 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
12414 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
12415 memory addresses that are legal for quad word accesses.
12417 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
12420 * config/arm/thumb2.md (*doloop_end_internal): Generate
12421 alternative sequence to handle long range branches.
12423 2021-02-11 Joel Hutton <joel.hutton@arm.com>
12425 PR tree-optimization/98772
12426 * optabs-tree.c (supportable_half_widening_operation): New function
12427 to check for supportable V8QI->V8HI widening patterns.
12428 * optabs-tree.h (supportable_half_widening_operation): New function.
12429 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
12430 to create promotion stmts for V8QI->V8HI widening patterns.
12431 (vectorizable_conversion): Add case for V8QI->V8HI.
12433 2021-02-11 Richard Biener <rguenther@suse.de>
12435 * sparseset.h (SPARSESET_ELT_BITS): Remove.
12436 (SPARSESET_ELT_TYPE): Use unsigned int.
12437 * fwprop.c: Do not include sparseset.h.
12439 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12442 * varasm.c (declare_weak): For -fsyntax-only, allow even
12443 TREE_ASM_WRITTEN function decls.
12445 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12448 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
12449 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
12450 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
12451 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
12452 calling simplify_gen_subreg on it.
12454 2021-02-10 Martin Liska <mliska@suse.cz>
12456 * config/nvptx/nvptx.c (nvptx_option_override): Use
12457 flag_patchable_function_entry instead of the removed
12458 function_entry_patch_area_size.
12460 2021-02-10 Martin Liska <mliska@suse.cz>
12462 PR tree-optimization/99002
12463 PR tree-optimization/99026
12464 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
12465 leak when adjacent cases are merged.
12466 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
12468 (make_pass_lower_switch): Remove trailing whitespace.
12469 * tree-switch-conversion.h (release_clusters): New.
12471 2021-02-10 Richard Biener <rguenther@suse.de>
12473 PR rtl-optimization/99054
12474 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
12475 (fixup_partitions): Adjust.
12476 (rtl_verify_edges): Likewise.
12478 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12480 PR middle-end/99007
12481 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
12482 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
12485 2021-02-10 Richard Biener <rguenther@suse.de>
12488 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
12491 2021-02-10 Richard Biener <rguenther@suse.de>
12493 PR tree-optimization/99024
12494 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
12495 clear loop->aux if it is associated with the destroyed loop_vinfo.
12497 2021-02-10 Martin Liska <mliska@suse.cz>
12499 PR tree-optimization/99002
12500 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
12503 2021-02-10 Martin Liska <mliska@suse.cz>
12506 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
12507 a reference exists.
12509 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12512 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
12513 at class scope for DWARF5+.
12515 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
12517 PR rtl-optimization/96015
12518 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
12519 (relax_delay_slots): When deleting a jump to the next active
12520 instruction over a barrier, first delete the barrier if the
12521 jump is the only way to reach the target label.
12523 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
12525 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
12526 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
12527 vector multiplies and vect.alu for SSRA.
12528 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
12529 vect.mul cost field.
12530 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
12531 * config/arm/arm.c: Likewise.
12533 2021-02-09 Richard Biener <rguenther@suse.de>
12535 PR tree-optimization/98863
12536 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
12537 * tree-ssa-sccvn.c (last_pushed_avail): New global.
12538 (rpo_elim::eliminate_push_avail): Chain pushed avails.
12539 (unwind_state::avail_top): Add.
12540 (do_unwind): Rewrite unwinding of avail entries.
12541 (do_rpo_vn): Initialize last_pushed_avail and
12542 avail_top of the undo state.
12544 2021-02-09 Jakub Jelinek <jakub@redhat.com>
12546 PR middle-end/99004
12547 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
12548 const char * to char * and free those pointers after use.
12550 2021-02-09 Richard Biener <rguenther@suse.de>
12552 PR tree-optimization/99017
12553 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
12554 zero vector cost entries.
12556 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
12558 PR middle-end/98974
12559 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
12560 parameter in vectorizable_condition.
12562 2021-02-08 Richard Biener <rguenther@suse.de>
12565 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
12567 2021-02-08 Martin Liska <mliska@suse.cz>
12570 * cfgexpand.c (pass_expand::execute): Parse per-function option
12571 flag_patchable_function_entry and use it.
12572 * common.opt: Remove function_entry_patch_area_size and
12573 function_entry_patch_area_start global variables.
12574 * opts.c (parse_and_check_patch_area): New function.
12575 (common_handle_option): Use it.
12576 * opts.h (parse_and_check_patch_area): New function.
12577 * toplev.c (process_options): Parse and use
12578 function_entry_patch_area_size.
12580 2021-02-08 Martin Sebor <msebor@redhat.com>
12582 * doc/extend.texi (attribute malloc): Correct typos.
12584 2021-02-05 Nathan Sidwell <nathan@acm.org>
12587 * gcc.c (driver::maybe_run_linker): Check for input file
12588 accessibility if not linking.
12590 2021-02-05 Richard Biener <rguenther@suse.de>
12592 PR tree-optimization/98855
12593 * tree-vectorizer.h (add_stmt_cost): New overload.
12594 * tree-vect-slp.c (li_cost_vec_cmp): New.
12595 (vect_bb_slp_scalar_cost): Cost individual loop regions
12596 separately. Account for the scalar instance root stmt.
12598 2021-02-05 Tom de Vries <tdevries@suse.de>
12601 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
12603 (bit_test_cluster::emit): Reuse location_t for newly created
12605 (switch_decision_tree::try_switch_expansion): Preserve
12607 * tree-switch-conversion.h: Change function signatures.
12609 2021-02-05 Jakub Jelinek <jakub@redhat.com>
12612 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
12613 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
12614 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
12615 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
12617 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12619 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
12620 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
12621 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
12622 (vget_high_f16): Reimplement using new builtin.
12623 (vget_high_f32): Likewise.
12624 (vget_high_f64): Likewise.
12625 (vget_high_p8): Likewise.
12626 (vget_high_p16): Likewise.
12627 (vget_high_p64): Likewise.
12628 (vget_high_s8): Likewise.
12629 (vget_high_s16): Likewise.
12630 (vget_high_s32): Likewise.
12631 (vget_high_s64): Likewise.
12632 (vget_high_u8): Likewise.
12633 (vget_high_u16): Likewise.
12634 (vget_high_u32): Likewise.
12635 (vget_high_u64): Likewise.
12637 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12639 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
12640 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
12641 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
12642 (vget_low_f16): Reimplement using new builtin.
12643 (vget_low_f32): Likewise.
12644 (vget_low_f64): Likewise.
12645 (vget_low_p8): Likewise.
12646 (vget_low_p16): Likewise.
12647 (vget_low_p64): Likewise.
12648 (vget_low_s8): Likewise.
12649 (vget_low_s16): Likewise.
12650 (vget_low_s32): Likewise.
12651 (vget_low_s64): Likewise.
12652 (vget_low_u8): Likewise.
12653 (vget_low_u16): Likewise.
12654 (vget_low_u32): Likewise.
12655 (vget_low_u64): Likewise.
12657 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
12659 * gcc.c (print_multilib_info): Check all required argument is provided
12662 2021-02-05 liuhongt <hongtao.liu@intel.com>
12665 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
12666 generate integer mask comparison for 128/256-bits vector when
12667 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
12668 delete redundant !maskcmp condition.
12669 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
12671 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
12672 condition directly to if (maskcmp), add extra check for
12673 cmpmode, it should be MODE_INT.
12674 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
12675 parameters op_true/op_false.
12676 (ix86_use_mask_cmp_p): New.
12678 2021-02-05 liuhongt <hongtao.liu@intel.com>
12681 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
12682 Remove m_GENERIC from ~list.
12683 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
12685 2021-02-04 David Malcolm <dmalcolm@redhat.com>
12688 * diagnostic-show-locus.c (compatible_locations_p): Require
12689 locations in the same macro map to be either both from the
12690 macro definition, or both from the macro arguments.
12692 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
12694 * config/aarch64/aarch64-simd-builtins.def: Add
12695 [su]mull_hi_lane[q] builtin generator macros.
12696 * config/aarch64/aarch64-simd.md
12697 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
12698 (aarch64_<su>mull_hi_lane<mode>): Define.
12699 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
12700 (aarch64_<su>mull_hi_laneq<mode>): Define.
12701 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
12702 builtin instead of inline asm.
12703 (vmull_high_lane_s32): Likewise.
12704 (vmull_high_lane_u16): Likewise.
12705 (vmull_high_lane_u32): Likewise.
12706 (vmull_high_laneq_s16): Likewise.
12707 (vmull_high_laneq_s32): Likewise.
12708 (vmull_high_laneq_u16): Likewise.
12709 (vmull_high_laneq_u32): Liekwise.
12711 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
12713 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
12714 builtin generator macros.
12715 * config/aarch64/aarch64-simd.md
12716 (aarch64_<su>mull_hi_n<mode>_insn): Define.
12717 (aarch64_<su>mull_hi_n<mode>): Define.
12718 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
12719 instead of inline asm.
12720 (vmull_high_n_s32): Likewise.
12721 (vmull_high_n_u16): Likewise.
12722 (vmull_high_n_u32): Likewise.
12724 2021-02-04 Richard Biener <rguenther@suse.de>
12726 PR tree-optimization/98855
12727 * tree-vect-loop.c (vectorizable_phi): Do not cost
12728 single-argument PHIs.
12729 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
12730 * tree-vect-stmts.c (vectorizable_bswap): Also perform
12731 costing for SLP operation.
12733 2021-02-04 Martin Liska <mliska@suse.cz>
12735 * doc/extend.texi: Mention -mprefer-vector-width in target
12738 2021-02-03 Martin Sebor <msebor@redhat.com>
12740 PR tree-optimization/98937
12741 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
12742 Flush pointer_query cache.
12744 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
12746 * config/rs6000/genfusion.pl (gen_2logical): Add missing
12747 fixes based on patch review.
12748 * config/rs6000/fusion.md: Regenerate file.
12750 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
12752 * config/rs6000/t-rs6000: Comment out auto generation of
12755 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
12757 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
12758 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
12759 (output_file_start): Add gfx908.
12760 * config/gcn/gcn.opt (gpu_type): Add gfx908.
12761 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
12762 (MULTILIB_DIRNAMES): Add gfx908.
12763 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
12764 (main): Recognize gfx908.
12765 * config/gcn/t-omp-device: Add gfx908.
12767 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12769 * config/aarch64/aarch64-simd-builtins.def: Add
12770 [su]mlsl_hi_lane[q] builtin macro generators.
12771 * config/aarch64/aarch64-simd.md
12772 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
12773 (aarch64_<su>mlsl_hi_lane<mode>): Define.
12774 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
12775 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
12776 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
12777 builtin instead of inline asm.
12778 (vmlsl_high_lane_s32): Likewise.
12779 (vmlsl_high_lane_u16): Likewise.
12780 (vmlsl_high_lane_u32): Likewise.
12781 (vmlsl_high_laneq_s16): Likewise.
12782 (vmlsl_high_laneq_s32): Likewise.
12783 (vmlsl_high_laneq_u16): Likewise.
12784 (vmlsl_high_laneq_u32): Likewise.
12785 (vmlal_high_laneq_u32): Likewise.
12787 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12789 * config/aarch64/aarch64-simd-builtins.def: Add
12790 [su]mlal_hi_lane[q] builtin generator macros.
12791 * config/aarch64/aarch64-simd.md
12792 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
12793 (aarch64_<su>mlal_hi_lane<mode>): Define.
12794 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
12795 (aarch64_<su>mlal_hi_laneq<mode>): Define.
12796 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
12797 builtin instead of inline asm.
12798 (vmlal_high_lane_s32): Likewise.
12799 (vmlal_high_lane_u16): Likewise.
12800 (vmlal_high_lane_u32): Likewise.
12801 (vmlal_high_laneq_s16): Likewise.
12802 (vmlal_high_laneq_s32): Likewise.
12803 (vmlal_high_laneq_u16): Likewise.
12804 (vmlal_high_laneq_u32): Likewise.
12806 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12808 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
12809 builtin generator macros.
12810 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
12812 (aarch64_<su>mlsl_hi_n<mode>): Define.
12813 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
12814 instead of inline asm.
12815 (vmlsl_high_n_s32): Likewise.
12816 (vmlsl_high_n_u16): Likewise.
12817 (vmlsl_high_n_u32): Likewise.
12819 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12821 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
12822 builtin generator macros.
12823 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
12825 (aarch64_<su>mlal_hi_n<mode>): Define.
12826 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
12827 instead of inline asm.
12828 (vmlal_high_n_s32): Likewise.
12829 (vmlal_high_n_u16): Likewise.
12830 (vmlal_high_n_u32): Likewise.
12832 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12834 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
12836 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
12838 (aarch64_<su>mlal_hi<mode>_insn): This.
12839 (aarch64_<su>mlal_hi<mode>): Define.
12840 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
12841 instead of inline asm.
12842 (vmlal_high_s16): Likewise.
12843 (vmlal_high_s32): Likewise.
12844 (vmlal_high_u8): Likewise.
12845 (vmlal_high_u16): Likewise.
12846 (vmlal_high_u32): Likewise.
12848 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
12850 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
12851 after calling alter_subreg() on a (mem).
12853 2021-02-03 Martin Liska <mliska@suse.cz>
12856 * lto-streamer-out.c (produce_lto_section): Fill up missing
12858 * lto-streamer.h (struct lto_section): Add _padding field.
12860 2021-02-03 Richard Biener <rguenther@suse.de>
12862 * lto-streamer.c (lto_get_section_name): Free temporary
12864 * tree-loop-distribution.c
12865 (loop_distribution::merge_dep_scc_partitions): Free edge data.
12867 2021-02-03 Jakub Jelinek <jakub@redhat.com>
12869 PR middle-end/97487
12870 * ifcvt.c (noce_can_force_operand): New function.
12871 (noce_emit_move_insn): Use it.
12872 (noce_try_sign_mask): Likewise. Formatting fix.
12874 2021-02-03 Jakub Jelinek <jakub@redhat.com>
12876 PR middle-end/97971
12877 * lra-constraints.c (process_alt_operands): For inline asm, don't call
12878 fatal_insn, but instead return false.
12880 2021-02-03 Jakub Jelinek <jakub@redhat.com>
12882 PR tree-optimization/98287
12883 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
12886 2021-02-03 Tamar Christina <tamar.christina@arm.com>
12888 PR tree-optimization/98928
12889 * tree-vect-loop.c (vect_analyze_loop_2): Change
12890 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
12891 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
12892 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
12893 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
12895 2021-02-02 Richard Biener <rguenther@suse.de>
12897 * gimple-loop-interchange.cc (prepare_data_references):
12899 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
12900 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
12901 * tree-vect-stmts.c (vectorizable_condition): Do not
12903 (vectorizable_comparison): Likewise.
12905 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12907 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
12908 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
12909 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
12910 (vrsqrteq_u32): Likewise.
12912 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12914 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
12915 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
12916 (aarch64_sqxtun2<mode>_be): Likewise.
12917 (aarch64_sqxtun2<mode>): Likewise.
12918 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
12919 (vqmovun_high_s32): Likewise.
12920 (vqmovun_high_s64): Likewise.
12921 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
12923 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12925 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
12927 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
12929 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12931 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
12932 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
12933 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
12934 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
12935 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
12936 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
12937 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
12938 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
12940 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12942 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
12943 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
12944 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
12946 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12948 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
12949 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
12951 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12953 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
12954 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
12955 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
12956 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
12957 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
12958 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
12959 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
12960 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
12961 NONE builtin flags.
12963 2021-02-02 Jakub Jelinek <jakub@redhat.com>
12965 PR tree-optimization/98848
12966 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
12967 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
12969 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
12972 * expr.c: Check mode before calling store_expr.
12974 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
12976 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
12978 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
12979 instruction using expression ior.
12980 (mve_vornq_u<mode>): New expander.
12981 (mve_vornq_f<mode>): Use ior code instead of unspec.
12982 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
12984 2021-02-02 Alexandre Oliva <oliva@adacore.com>
12986 * tree-nested.c (convert_nonlocal_reference_op): Move
12987 current_function_decl restore after re-gimplification.
12988 (convert_local_reference_op): Likewise.
12990 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12992 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
12994 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
12996 (aarch64_rshrn<mode>_insn_be): Likewise.
12997 (aarch64_rshrn<mode>): Likewise.
12998 (aarch64_rshrn2<mode>_insn_le): Likewise.
12999 (aarch64_rshrn2<mode>_insn_be): Likewise.
13000 (aarch64_rshrn2<mode>): Likewise.
13001 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
13002 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
13004 (vrshrn_high_n_s32): Likewise.
13005 (vrshrn_high_n_s64): Likewise.
13006 (vrshrn_high_n_u16): Likewise.
13007 (vrshrn_high_n_u32): Likewise.
13008 (vrshrn_high_n_u64): Likewise.
13009 (vrshrn_n_s16): Likewise.
13010 (vrshrn_n_s32): Likewise.
13011 (vrshrn_n_s64): Likewise.
13012 (vrshrn_n_u16): Likewise.
13013 (vrshrn_n_u32): Likewise.
13014 (vrshrn_n_u64): Likewise.
13016 2021-02-01 Sergei Trofimovich <siarheit@google.com>
13018 PR tree-optimization/98499
13019 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
13020 conservatively and assume all possible side-effects.
13022 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13024 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
13025 vec_unpacku_hi_): Define builtins.
13026 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
13028 (vmovl_high_s16): Likewise.
13029 (vmovl_high_s32): Likewise.
13030 (vmovl_high_u8): Likewise.
13031 (vmovl_high_u16): Likewise.
13032 (vmovl_high_u32): Likewise.
13034 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13036 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
13038 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
13040 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
13042 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
13044 (vabdl_s16): Likewise.
13045 (vabdl_s32): Likewise.
13046 (vabdl_u8): Likewise.
13047 (vabdl_u16): Likewise.
13048 (vabdl_u32): Likewise.
13049 * config/aarch64/iterators.md (ABDL): New int iterator.
13050 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
13052 2021-02-01 Martin Sebor <msebor@redhat.com>
13054 * tree.h (BLOCK_VARS): Add comment.
13055 (BLOCK_SUBBLOCKS): Same.
13056 (BLOCK_SUPERCONTEXT): Same.
13057 (BLOCK_ABSTRACT_ORIGIN): Same.
13058 (inlined_function_outer_scope_p): Same.
13060 2021-02-01 Martin Sebor <msebor@redhat.com>
13062 PR middle-end/97172
13063 * attribs.c (attr_access::free_lang_data): Define new function.
13064 * attribs.h (attr_access::free_lang_data): Declare new function.
13066 2021-02-01 Richard Biener <rguenther@suse.de>
13068 * vec.h (auto_vec::auto_vec): Add memory stat parameters
13070 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
13072 2021-02-01 Tamar Christina <tamar.christina@arm.com>
13074 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
13075 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
13077 2021-02-01 Richard Biener <rguenther@suse.de>
13079 PR rtl-optimization/98863
13080 * config/i386/i386-features.c (convert_scalars_to_vector):
13081 Set DF_RD_PRUNE_DEAD_DEFS.
13083 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
13085 * system.h (SIZE_MAX): Define if not already defined.
13087 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
13089 * config/rs6000/genfusion.pl (gen_2logical): New function to
13090 generate patterns for logical-logical fusion.
13091 * config/rs6000/fusion.md: Regenerated patterns.
13092 * config/rs6000/rs6000-cpus.def: Add
13093 OPTION_MASK_P10_FUSION_2LOGICAL.
13094 * config/rs6000/rs6000.c (rs6000_option_override_internal):
13095 Enable logical-logical fusion for p10.
13096 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
13098 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
13100 * config/rs6000/rs6000.opt: Add periods to new AIX options.
13102 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
13104 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
13105 (mabi=vec-default): New.
13106 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
13107 __EXTABI__ for AIX Vector extended ABI.
13108 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
13110 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
13112 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
13114 2021-01-30 Jakub Jelinek <jakub@redhat.com>
13116 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
13117 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
13119 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
13122 * lra-constraints.c (in_class_p): Don't narrow class only for REG
13125 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
13127 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
13128 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
13129 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
13131 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
13133 PR tree-optimization/98866
13134 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
13135 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
13136 (gori_map::m_maybe_invariant): Rename from all_outgoing.
13137 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
13138 (gori_map::is_export_p): Ditto.
13139 (gori_map::calculate_gori): Ditto.
13140 (gori_compute::set_range_invariant): New.
13141 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
13142 invariant for pointers evaluating to [1, +INF].
13144 2021-01-29 Richard Biener <rguenther@suse.de>
13146 PR rtl-optimization/98863
13147 * config/i386/i386-features.c (remove_partial_avx_dependency):
13148 Do not perform DF analysis.
13149 (pass_data_remove_partial_avx_dependency): Remove
13152 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
13154 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
13155 builtin generator macros.
13156 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
13158 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
13159 instead of inline asm.
13160 (vmull_n_s32): Likewise.
13161 (vmull_n_u16): Likewise.
13162 (vmull_n_u32): Likewise.
13164 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13166 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
13168 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
13170 (aarch64_<sur>abdl2<mode>): ... This.
13171 (<sur>sadv16qi): Adjust use of above.
13172 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
13174 (vabdl_high_s16): Likewise.
13175 (vabdl_high_s32): Likewise.
13176 (vabdl_high_u8): Likewise.
13177 (vabdl_high_u16): Likewise.
13178 (vabdl_high_u32): Likewise.
13180 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13182 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
13184 (uabal2): Likewise.
13185 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
13187 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
13189 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
13191 (vabal_high_s16): Likewise.
13192 (vabal_high_s32): Likewise.
13193 (vabal_high_u8): Likewise.
13194 (vabal_high_u16): Likewise.
13195 (vabal_high_u32): Likewise.
13196 * config/aarch64/iterators.md (ABAL2): New mode iterator.
13197 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
13199 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13201 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
13204 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
13206 (aarch64_<sur>abal<mode>): ... This
13207 (<sur>sadv16qi): Adust use of the above.
13208 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
13210 (vabal_s16): Likewise.
13211 (vabal_s32): Likewise.
13212 (vabal_u8): Likewise.
13213 (vabal_u16): Likewise.
13214 (vabal_u32): Likewise.
13216 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13218 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
13220 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
13222 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
13224 (vaddlv_s16): Likewise.
13225 (vaddlv_u8): Likewise.
13226 (vaddlv_u16): Likewise.
13227 (vaddlvq_s8): Likewise.
13228 (vaddlvq_s16): Likewise.
13229 (vaddlvq_s32): Likewise.
13230 (vaddlvq_u8): Likewise.
13231 (vaddlvq_u16): Likewise.
13232 (vaddlvq_u32): Likewise.
13233 (vaddlv_s32): Likewise.
13234 (vaddlv_u32): Likewise.
13235 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
13236 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
13237 (Vwstype): New mode attribute.
13239 (VWIDE_S): Likewise.
13240 (USADDLV): New int iterator.
13241 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
13243 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
13245 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
13246 builtin generator macros.
13247 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
13249 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
13250 instead of inline asm.
13251 (vmlsl_lane_s32): Likewise.
13252 (vmlsl_lane_u16): Likewise.
13253 (vmlsl_lane_u32): Likewise.
13254 (vmlsl_laneq_s16): Likewise.
13255 (vmlsl_laneq_s32): Likewise.
13256 (vmlsl_laneq_u16): Likewise.
13257 (vmlsl_laneq_u32): Likewise.
13259 2021-01-29 Richard Biener <rguenther@suse.de>
13261 * doc/invoke.texi (--param max-gcse-memory): Document unit
13263 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
13264 * params.opt (--param max-gcse-memory): Adjust default and
13265 document unit of size.
13267 2021-01-29 Richard Biener <rguenther@suse.de>
13269 PR rtl-optimization/98863
13270 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
13271 HOST_WIDE_INT for the memory estimate.
13273 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
13274 Richard Biener <rguenther@suse.de>
13276 PR tree-optimization/97627
13277 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
13278 Do not analyze fake edges.
13280 2021-01-29 Richard Biener <rguenther@suse.de>
13282 PR rtl-optimization/98144
13283 * df.h (df_mir_bb_info): Add con_visited member.
13284 * df-problems.c (df_mir_alloc): Initialize con_visited,
13285 do not fully populate IN and OUT.
13286 (df_mir_reset): Likewise.
13287 (df_mir_confluence_0): Set con_visited.
13288 (df_mir_confluence_n): Properly handle implicitely
13289 fully populated IN and OUT as designated by con_visited
13290 and update con_visited accordingly.
13292 2021-01-29 Jakub Jelinek <jakub@redhat.com>
13295 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
13296 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
13297 && !TARGET_REALLY_IWMMXT to conditions.
13299 2021-01-29 Jakub Jelinek <jakub@redhat.com>
13302 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
13305 2021-01-28 Marek Polacek <polacek@redhat.com>
13308 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
13309 the main variant, maybe reset it in its variants too.
13310 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
13311 (check_aligned_type): Check if TYPE_USER_ALIGN match.
13313 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
13316 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
13317 of constant zero for comparisons.
13319 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
13321 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
13322 support for mapping built-in function names for long double
13323 built-in functions if long double is IEEE 128-bit.
13325 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
13327 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
13328 builtin generator macros.
13329 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
13331 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
13332 instead of inline asm.
13333 (vmlsl_n_s32): Likewise.
13334 (vmlsl_n_u16): Likewise.
13335 (vmlsl_n_u32): Likewise.
13337 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
13339 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
13340 builtin generator macros.
13341 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
13343 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
13344 instead of inline asm.
13345 (vmlal_n_s32): Likewise.
13346 (vmlal_n_u16): Likewise.
13347 (vmlal_n_u32): Likewise.
13349 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13351 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
13353 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
13355 (aarch64_shrn2<mode>_insn_be): Likewise.
13356 (aarch64_shrn2<mode>): Likewise.
13357 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
13359 (vshrn_high_n_s32): Likewise.
13360 (vshrn_high_n_s64): Likewise.
13361 (vshrn_high_n_u16): Likewise.
13362 (vshrn_high_n_u32): Likewise.
13363 (vshrn_high_n_u64): Likewise.
13365 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13367 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
13369 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
13371 (aarch64_shrn<mode>_insn_be): Likewise.
13372 (aarch64_shrn<mode>): Likewise.
13373 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
13375 (vshrn_n_s32): Likewise.
13376 (vshrn_n_s64): Likewise.
13377 (vshrn_n_u16): Likewise.
13378 (vshrn_n_u32): Likewise.
13379 (vshrn_n_u64): Likewise.
13380 * config/aarch64/iterators.md (vn_mode): New mode attribute.
13382 2021-01-28 Richard Biener <rguenther@suse.de>
13384 PR rtl-optimization/80960
13385 * dse.c (check_mem_read_rtx): Call get_addr on the
13388 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
13389 David Edelsohn <dje.gcc@gmail.com>
13392 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13393 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
13395 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
13397 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
13398 wrapper call rs6000_expand_vector_set_var for cleanup. Call
13399 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
13401 (rs6000_expand_vector_set_var): Delete.
13402 (rs6000_expand_vector_set_var_p9): Make static.
13403 (rs6000_expand_vector_set_var_p8): Make static.
13405 2021-01-28 Xing GUO <higuoxing@gmail.com>
13407 * common/config/riscv/riscv-common.c
13408 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
13409 when `p` extension exists.
13411 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
13413 PR rtl-optimization/97684
13414 * ira.c (ira): Call ira_set_pseudo_classes before
13415 update_equiv_regs when it is necessary.
13417 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13420 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
13421 %w0, %w1 and %2 instead of %0, %1 and %2.
13423 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
13425 * config/rs6000/genfusion.pl: New script to generate
13426 define_insn_and_split patterns so combine can arrange fused
13427 instructions next to each other.
13428 * config/rs6000/fusion.md: New file, generated fused instruction
13429 patterns for combine.
13430 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
13431 (non_update_memory_operand): New predicate.
13432 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
13433 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
13435 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
13437 * config/rs6000/rs6000.c (rs6000_option_override_internal):
13438 Automatically set OPTION_MASK_P10_FUSION and
13439 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
13440 (rs600_opt_masks): Allow -mpower10-fusion
13441 in function attributes.
13442 (address_is_non_pfx_d_or_x): New function.
13443 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
13444 * config/rs6000/rs6000.md: Include fusion.md.
13445 * config/rs6000/rs6000.opt: Add -mpower10-fusion
13446 and -mpower10-fusion-ld-cmpi.
13447 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
13449 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13451 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
13452 builtin generator macros.
13453 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
13455 (aarch64_<su>mlal<mode>): This.
13456 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
13457 instead of inline asm.
13458 (vmlal_s16): Likewise.
13459 (vmlal_s32): Likewise.
13460 (vmlal_u8): Likewise.
13461 (vmlal_u16): Likewise.
13462 (vmlal_u32): Likewise.
13464 2021-01-27 Richard Biener <rguenther@suse.de>
13466 PR tree-optimization/98854
13467 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
13468 PHIs from scalars when the number of CTORs matches the
13469 number of children.
13471 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13473 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
13475 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
13477 (aarch64_mls_n<mode>): This.
13478 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
13480 (vmls_n_s32): Likewise.
13481 (vmls_n_u16): Likewise.
13482 (vmls_n_u32): Likewise.
13483 (vmlsq_n_s16): Likewise.
13484 (vmlsq_n_s32): Likewise.
13485 (vmlsq_n_u16): Likewise.
13486 (vmlsq_n_u32): Likewise.
13488 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13490 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
13492 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
13494 (vmls_s16): Likewise.
13495 (vmls_s32): Likewise.
13496 (vmls_u8): Likewise.
13497 (vmls_u16): Likewise.
13498 (vmls_u32): Likewise.
13499 (vmlsq_s8): Likewise.
13500 (vmlsq_s16): Likewise.
13501 (vmlsq_s32): Likewise.
13502 (vmlsq_u8): Likewise.
13503 (vmlsq_u16): Likewise.
13504 (vmlsq_u32): Likewise.
13506 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13508 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
13510 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
13512 (aarch64_mla_n<mode>): This.
13513 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
13515 (vmla_n_s32): Likewise.
13516 (vmla_n_u16): Likewise.
13517 (vmla_n_u32): Likewise.
13518 (vmlaq_n_s16): Likewise.
13519 (vmlaq_n_s32): Likewise.
13520 (vmlaq_n_u16): Likewise.
13521 (vmlaq_n_u32): Likewise.
13523 2021-01-27 liuhongt <hongtao.liu@intel.com>
13526 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
13527 (*sse2_eq<mode>3): Ditto.
13529 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13531 * tree-pass.h (PROP_trees): Rename to ...
13532 (PROP_gimple): ... this.
13533 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
13534 * passes.c (execute_function_dump, execute_function_todo,
13535 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
13536 * varpool.c (ctor_for_folding): Likewise.
13538 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13540 PR tree-optimization/97260
13541 * varpool.c: Include tree-pass.h.
13542 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
13543 non-TREE_SIDE_EFFECTS automatic variables.
13545 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
13547 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
13549 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
13550 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
13551 (gen_compile_unit_die): Recognise C++23.
13553 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13556 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
13559 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13562 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
13563 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
13564 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
13566 2021-01-26 Richard Biener <rguenther@suse.de>
13568 * gimple-pretty-print.c (dump_binary_rhs): Handle
13569 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
13571 2021-01-26 Richard Biener <rguenther@suse.de>
13573 PR middle-end/98726
13574 * tree.h (vector_cst_int_elt): Remove.
13575 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
13578 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
13580 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
13581 for V64DFmode min/max reductions.
13583 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13585 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
13586 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
13587 two halves, one with x and the other with const0_rtx, ordered
13588 depending on endianity.
13590 2021-01-26 Alexandre Oliva <oliva@adacore.com>
13592 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
13593 temporaries not seen in binding block, and not about to be
13594 added as gimple variables.
13596 2021-01-25 Martin Sebor <msebor@redhat.com>
13599 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
13601 2021-01-25 Martin Liska <mliska@suse.cz>
13603 * value-prof.c (get_nth_most_common_value): Use %s instead
13606 2021-01-25 Jakub Jelinek <jakub@redhat.com>
13609 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
13610 readelf -wi is able to read the emitted .debug_info back.
13611 * configure: Regenerated.
13613 2021-01-25 Martin Liska <mliska@suse.cz>
13615 PR gcov-profile/98739
13616 * common.opt: Add missing sign symbol.
13617 * value-prof.c (get_nth_most_common_value): Restore handling
13618 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
13619 PROFILE_REPRODUCIBILITY_MULTITHREADED.
13621 2021-01-25 Richard Biener <rguenther@suse.de>
13623 PR middle-end/98807
13624 * tree.c (vector_element_bits): Always use precision of
13625 the element type for boolean vectors.
13627 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
13629 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
13630 (ENDFILE_SPEC): Evaluate qnolinkcmds.
13632 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
13634 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
13635 nostartfiles handling since this is already done by
13636 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
13637 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
13638 is already done by LINK_COMMAND_SPEC.
13639 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
13640 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
13643 2021-01-25 Jakub Jelinek <jakub@redhat.com>
13646 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
13647 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
13648 value rather than host size_t.
13649 (fold_const_call): Change type of s2 from size_t to
13650 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
13651 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
13652 instead of s2 as last argument.
13654 2021-01-25 Tamar Christina <tamar.christina@arm.com>
13656 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
13657 VCMLA_OP, VCMUL_OP): New.
13658 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
13659 * config/arm/neon.md (cmul<conj_op><mode>3): New.
13660 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
13661 UNSPEC_VCMUL_CONJ): New.
13662 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
13663 cml<fcmac1><conj_op><mode>4): New.
13665 2021-01-23 Jakub Jelinek <jakub@redhat.com>
13668 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
13670 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
13672 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
13674 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
13676 (vmla_s16): Likewise.
13677 (vmla_s32): Likewise.
13678 (vmla_u8): Likewise.
13679 (vmla_u16): Likewise.
13680 (vmla_u32): Likewise.
13681 (vmlaq_s8): Likewise.
13682 (vmlaq_s16): Likewise.
13683 (vmlaq_s32): Likewise.
13684 (vmlaq_u8): Likewise.
13685 (vmlaq_u16): Likewise.
13686 (vmlaq_u32): Likewise.
13688 2021-01-22 David Malcolm <dmalcolm@redhat.com>
13690 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
13693 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13696 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
13697 filenames to emit, still emit the required 0 index directory and
13698 filename entries that match DW_AT_comp_dir and DW_AT_name of the
13701 2021-01-22 Marek Polacek <polacek@redhat.com>
13704 * doc/invoke.texi: Update C++ ABI Version 15 description.
13706 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13708 PR tree-optimization/98766
13709 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
13710 comparing against type size with param_avoid_fma_max_bits.
13712 2021-01-22 Richard Biener <rguenther@suse.de>
13714 PR middle-end/98793
13715 * tree.c (vector_element_bits): Key single-bit bool vector on
13716 integer mode rather than not vector mode.
13718 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
13721 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13722 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
13724 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
13725 to call different path for P8 and P9.
13726 (rs6000_expand_vector_set_var_p9): New function.
13727 (rs6000_expand_vector_set_var_p8): New function.
13729 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
13733 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13734 Ajdust variable index vec_insert from address dereference to
13735 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
13736 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
13738 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
13740 2021-01-22 Martin Liska <mliska@suse.cz>
13742 PR gcov-profile/98739
13743 * profile.c (compute_value_histograms): Drop time profile for
13744 -fprofile-reproducible=multithreaded.
13746 2021-01-22 Nathan Sidwell <nathan@acm.org>
13748 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
13751 2021-01-22 Richard Biener <rguenther@suse.de>
13753 PR middle-end/98773
13754 * tree-data-ref.c (initalize_matrix_A): Revert previous
13755 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
13757 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13759 PR tree-optimization/90248
13760 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
13761 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
13763 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
13764 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
13766 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13768 PR tree-optimization/98255
13769 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
13770 extend index - low_bound from sizetype's precision rather than index
13772 (get_addr_base_and_unit_offset_1): Likewise.
13773 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
13774 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
13776 2021-01-22 Richard Biener <rguenther@suse.de>
13778 PR tree-optimization/98786
13779 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
13780 adding new uses of abnormals. Verify we deal with a conditional
13783 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
13786 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
13788 2021-01-22 liuhongt <hongtao.liu@intel.com>
13792 * config/i386/sse.md (VI_128_256): New mode iterator.
13793 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
13794 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
13795 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
13796 define_insn_and_split to lower avx512 vector comparison to avx
13797 version when dest is vector.
13798 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
13799 define_insn_and_split for negating the comparison result.
13800 * config/i386/predicates.md (float_vector_all_ones_operand):
13802 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
13803 general NOT operator without UNSPEC_MASKOP.
13805 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
13807 PR rtl-optimization/98777
13808 * lra-int.h (lra_pmode_pseudo): New extern.
13809 * lra.c (lra_pmode_pseudo): New global.
13811 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
13813 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
13815 * fwprop.c (fwprop_propagation::classify_result): Allow
13816 (subreg (mem)) simplifications.
13818 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13820 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
13822 (aarch64_sqdmlal<mode>): ... This...
13823 (aarch64_sqdmlsl<mode>): ... And this.
13824 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
13825 (aarch64_sqdmlal_lane<mode>): ... This...
13826 (aarch64_sqdmlsl_lane<mode>): ... And this.
13827 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
13828 (aarch64_sqdmlsl_laneq<mode>): ... This...
13829 (aarch64_sqdmlal_laneq<mode>): ... And this.
13830 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
13831 (aarch64_sqdmlsl_n<mode>): ... This...
13832 (aarch64_sqdmlal_n<mode>): ... And this.
13833 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
13834 (aarch64_sqdmlal2<mode>_internal): ... This...
13835 (aarch64_sqdmlsl2<mode>_internal): ... And this.
13837 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
13839 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
13841 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
13844 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
13846 2021-01-21 liuhongt <hongtao.liu@intel.com>
13848 PR rtl-optimization/98694
13849 * regcprop.c (copy_value): If SRC had been assigned a mode
13850 narrower than the copy, we can't link DEST into the chain even
13851 they have same hard_regno_nregs(i.e. HImode/SImode in i386
13854 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13856 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
13857 Convert to define_insn_and_split. Split into simple move when moving
13860 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
13862 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
13863 Adjust comment. Simplify code.
13865 2021-01-20 Jakub Jelinek <jakub@redhat.com>
13868 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
13869 with DW_FORM_line_strp form.
13870 (prune_unused_types_update_strings): Don't add into debug_str_hash
13871 indirect strings with DW_FORM_line_strp form.
13872 (adjust_name_comp_dir): New function.
13873 (dwarf2out_finish): Call it on CU DIEs after resetting
13874 debug_line_str_hash.
13876 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
13878 PR rtl-optimization/98722
13879 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
13880 has no 3-op add insn to transform insns containing two pluses.
13882 2021-01-20 Richard Biener <rguenther@suse.de>
13884 * hwint.h (add_hwi): New function.
13885 (mul_hwi): Likewise.
13886 * tree-data-ref.c (initialize_matrix_A): Properly translate
13887 tree constants and avoid HOST_WIDE_INT_MIN.
13888 (lambda_matrix_row_add): Avoid undefined integer overflow
13889 and return true on such overflow.
13890 (lambda_matrix_right_hermite): Handle overflow from
13891 lambda_matrix_row_add gracefully. Simplify previous fix.
13892 (analyze_subscript_affine_affine): Likewise.
13894 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
13896 PR tree-optimization/96674
13897 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
13898 x >= y && y != XXX_MIN --> x > y - 1
13900 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
13902 PR tree-optimization/98535
13903 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
13904 If the high and low permutes are the same, remove the high permutes
13905 from the working set and only continue with the low ones.
13907 2021-01-20 Jakub Jelinek <jakub@redhat.com>
13909 PR tree-optimization/98721
13910 * builtins.c (access_ref::inform_access): Don't assume
13911 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
13912 object whenever allocfn is NULL, rather than only when DECL_P
13913 is true. Use %qE instead of %qD for that. Formatting fixes.
13915 2021-01-20 Richard Biener <rguenther@suse.de>
13917 PR tree-optimization/98758
13918 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
13919 (lambda_matrix_right_hermite): Avoid undefinedness with
13920 signed integer abs and multiplication.
13921 (analyze_subscript_affine_affine): Use lambda_int.
13923 2021-01-20 David Malcolm <dmalcolm@redhat.com>
13926 * dwarf2out.c (output_line_info): Rename static variable
13927 "generation", moving it out of the function to...
13928 (output_line_info_generation): New.
13929 (init_sections_and_labels): Likewise, renaming the variable to...
13930 (init_sections_and_labels_generation): New.
13931 (dwarf2out_c_finalize): Reset the new variables.
13933 2021-01-19 Martin Sebor <msebor@redhat.com>
13935 PR middle-end/98664
13936 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
13937 all functions, even if they're not declared artificial or inline.
13938 * tree.c (tree_inlined_location): Use macro expansion location
13939 only if scope traversal fails to expose one.
13941 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
13943 PR rtl-optimization/92294
13944 * alias.c (compare_base_symbol_refs): Take an extra parameter
13945 and add the distance between two symbols to it. Enshrine in
13946 comments that -1 means "either 0 or 1, but we can't tell
13947 which at compile time".
13948 (memrefs_conflict_p): Update call accordingly.
13949 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
13952 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13954 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
13955 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
13956 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
13957 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
13958 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
13959 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
13960 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
13961 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
13962 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
13963 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
13964 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
13965 sqmovun): Use NONE flags.
13967 2021-01-19 Richard Biener <rguenther@suse.de>
13970 * ipa-modref.c (analyze_stmt): Only record a summary for a
13973 2021-01-19 Richard Biener <rguenther@suse.de>
13975 PR middle-end/98638
13976 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
13978 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
13980 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
13981 built-in define __FIX_LEON3FT_TN0018.
13983 2021-01-19 Richard Biener <rguenther@suse.de>
13986 * tree-inline.c (tree_function_versioning): Set input_location
13987 to UNKNOWN_LOCATION throughout the function.
13989 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
13992 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
13994 2021-01-19 Martin Jambor <mjambor@suse.cz>
13997 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
13998 whether non-call exceptions allow removal of a statement.
13999 (isra_analyze_call): Pass the appropriate function to
14000 ssa_name_only_returned_p.
14002 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
14004 * config/riscv/arch-canonicalize (longext_sort): New function for
14005 sorting 'multi-letter'.
14006 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
14007 'alts'. The 'arch' may not be the first of 'alts'.
14008 (_expand_combination): Add underline for the 'ext' without '*'.
14009 This is because, a single-letter extension can always be treated well
14010 with a '_' prefix, but it cannot be separated out if it is appended
14013 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
14016 * ira.c (ira): Skip abnormal critical edge splitting.
14018 2021-01-18 Jakub Jelinek <jakub@redhat.com>
14020 PR tree-optimization/98727
14021 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
14022 second .MUL_OVERFLOW operand for signed multiplication with overflow
14023 checking if the second operand of multiplication is not constant.
14025 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
14027 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
14028 defaults to version 4.
14030 2021-01-18 David Malcolm <dmalcolm@redhat.com>
14032 * attribs.h (fndecl_dealloc_argno): New decl.
14033 * builtins.c (call_dealloc_argno): Split out second half of
14035 (fndecl_dealloc_argno): New.
14036 * doc/extend.texi (Common Function Attributes): Document the
14037 interaction between the analyzer and the malloc attribute.
14038 * doc/invoke.texi (Static Analyzer Options): Likewise.
14040 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
14042 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
14043 dwarf_version to 4.
14044 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14046 2021-01-17 Martin Jambor <mjambor@suse.cz>
14049 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
14052 2021-01-17 Mark Wielaard <mark@klomp.org>
14054 * common.opt (gdwarf-): Init(5).
14055 * doc/invoke.texi (-gdwarf): Document default to 5.
14057 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
14059 * builtin-types.def
14060 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
14062 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
14063 ...this. Add extra argument.
14064 * gimplify.c (omp_default_clause): Ensure that event handle is
14065 firstprivate in a task region.
14066 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
14067 (gimplify_adjust_omp_clauses): Likewise.
14068 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
14069 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
14070 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
14071 if detach clause specified. Add detach argument when generating
14073 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
14075 (finish_taskreg_scan): Move field for variable containing the event
14076 handle to the front of the struct.
14077 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
14079 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
14080 OMP_CLAUSE_DETACH clause.
14081 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
14082 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
14083 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
14085 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
14087 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
14089 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14091 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
14092 multilib directory names. Use MULTILIB_REQUIRED instead of
14093 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
14094 -mcustom-fpu-cfg=fph2 multilib.
14096 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14098 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
14099 (nios2_init_fpu_configs): Provide register values for new
14100 -mcustom-fpu-cfg=fph2 option variant.
14101 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
14104 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
14106 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
14107 custom instruction warnings.
14109 2021-01-16 Jakub Jelinek <jakub@redhat.com>
14111 PR tree-optimization/96669
14112 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
14114 2021-01-16 Jakub Jelinek <jakub@redhat.com>
14116 PR tree-optimization/96271
14117 * passes.def: Pass false argument to first two pass_cd_dce
14118 instances and true to last instance. Add comment that
14119 last instance rewrites no longer addressed locals.
14120 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
14122 (pass_cd_dce::set_pass_param): New method.
14123 (pass_cd_dce::execute): Return TODO_update_address_taken from
14124 last cd_dce instance.
14126 2021-01-15 Carl Love <cel@us.ibm.com>
14128 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
14130 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
14131 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
14132 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
14133 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
14134 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
14135 Add builtin define.
14136 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
14137 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
14138 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
14139 New overloaded definitions.
14140 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
14141 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
14142 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
14143 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
14144 P10V_BUILTIN_MULHU_V4SI]: Add case
14145 statement for builtins.
14146 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
14147 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
14148 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
14149 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
14150 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
14151 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
14152 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
14153 Add define_insn, mode is VIlong.
14154 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
14155 Add builtin descriptions.
14157 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
14159 * final.c (final_start_function_1): Reset force_source_line.
14161 2021-01-15 Jakub Jelinek <jakub@redhat.com>
14163 PR tree-optimization/96669
14164 * match.pd (((1 << A) & 1) != 0 -> A == 0,
14165 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
14166 possibly different power of two constants and to right shift too.
14168 2021-01-15 Jakub Jelinek <jakub@redhat.com>
14170 PR tree-optimization/96681
14171 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
14172 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
14173 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
14174 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
14176 2021-01-15 Alexandre Oliva <oliva@adacore.com>
14178 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
14180 2021-01-15 Tamar Christina <tamar.christina@arm.com>
14182 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
14183 cmul<conj_op><mode>3): New.
14184 * config/aarch64/iterators.md (UNSPEC_FCMUL,
14185 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
14186 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
14187 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
14188 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
14189 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
14190 (rot_op): Renamed to conj_op.
14191 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
14192 cmul<conj_op><mode>3): New.
14193 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
14194 cmul<conj_op><mode>3): New.
14196 2021-01-15 David Malcolm <dmalcolm@redhat.com>
14200 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
14201 Escape the tempfile name when constructing the expected output.
14203 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14205 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
14207 (aarch64_<su>mlsl_hi<mode>): ... This.
14208 (aarch64_<su>mlsl_hi<mode>): Define.
14209 (*aarch64_<su>mlsl<mode): Rename to...
14210 (aarch64_<su>mlsl<mode): ... This.
14211 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
14212 smlsl_hi, umlsl_hi): Define builtins.
14213 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
14214 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
14215 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
14216 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
14218 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
14220 * config/i386/i386-c.c (ix86_target_macros):
14221 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
14223 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14226 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
14227 * Makefile.in (RTL_SSA_H): New variable.
14228 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
14229 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
14230 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
14232 * config/aarch64/aarch64-cc-fusion.cc: New file.
14234 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14236 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
14237 calling cancel_changes for changes that no longer exist.
14239 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
14241 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
14242 (function_info::reg_defs): ...this.
14243 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
14244 (function_info::reg_defs): ...this.
14246 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14249 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14251 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14254 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14257 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14259 2021-01-15 Richard Biener <rguenther@suse.de>
14261 PR tree-optimization/96376
14262 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
14263 for VMAT_INVARIANT.
14265 2021-01-15 Martin Liska <mliska@suse.cz>
14267 * doc/install.texi: Document that some tests need pytest module.
14268 * doc/sourcebuild.texi: Likewise.
14270 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14273 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
14275 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14277 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
14278 (mve_vshrq_n_u<mode>_imm): Likewise.
14279 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
14280 * config/arm/vec-common.md: ... here.
14282 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14284 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
14286 * config/arm/neon.md (vashl<mode>3): Delete.
14287 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
14288 (vasl<mode>3): New expander.
14290 2021-01-15 Richard Biener <rguenther@suse.de>
14292 PR tree-optimization/98685
14293 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
14294 of vector extern defs.
14296 2021-01-14 David Malcolm <dmalcolm@redhat.com>
14299 * diagnostic.c (diagnostic_kind_text): Break out this array
14301 (diagnostic_build_prefix): ...here.
14302 (fancy_abort): Detect when diagnostic_initialize has not yet been
14303 called and fall back to a minimal implementation of printing the
14304 ICE, rather than segfaulting in internal_error.
14306 2021-01-14 David Malcolm <dmalcolm@redhat.com>
14308 * diagnostic.c (diagnostic_initialize): Eliminate
14309 parseable_fixits_p in favor of initializing extra_output_kind from
14310 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
14311 (convert_column_unit): New function, split out from...
14312 (diagnostic_converted_column): ...this.
14313 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
14314 Use them to call convert_column_unit on the column values.
14315 (diagnostic_report_diagnostic): Eliminate conditional on
14316 parseable_fixits_p in favor of a switch statement on
14317 extra_output_kind, passing the appropriate values to the new
14318 params of print_parseable_fixits.
14319 (selftest::test_print_parseable_fixits_none): Update for new
14320 params of print_parseable_fixits.
14321 (selftest::test_print_parseable_fixits_insert): Likewise.
14322 (selftest::test_print_parseable_fixits_remove): Likewise.
14323 (selftest::test_print_parseable_fixits_replace): Likewise.
14324 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
14326 (selftest::diagnostic_c_tests): Call it.
14327 * diagnostic.h (enum diagnostics_extra_output_kind): New.
14328 (diagnostic_context::parseable_fixits_p): Delete field in favor
14330 (diagnostic_context::extra_output_kind): ...this new field.
14331 * doc/invoke.texi (Environment Variables): Add
14332 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
14333 * opts.c (common_handle_option): Update handling of
14334 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
14337 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14339 * tree-vect-slp-patterns.c (class complex_operations_pattern,
14340 complex_operations_pattern::matches,
14341 complex_operations_pattern::recognize,
14342 complex_operations_pattern::build): New.
14343 (slp_patterns): Use it.
14345 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14347 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
14348 * optabs.def (cmls_optab, cmls_conj_optab): New.
14349 * doc/md.texi: Document them.
14350 * tree-vect-slp-patterns.c (class complex_fms_pattern,
14351 complex_fms_pattern::matches, complex_fms_pattern::recognize,
14352 complex_fms_pattern::build): New.
14354 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14356 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
14357 * optabs.def (cmla_optab, cmla_conj_optab): New.
14358 * doc/md.texi: Document them.
14359 * tree-vect-slp-patterns.c (vect_match_call_p,
14360 class complex_fma_pattern, vect_slp_reset_pattern,
14361 complex_fma_pattern::matches, complex_fma_pattern::recognize,
14362 complex_fma_pattern::build): New.
14364 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14366 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
14367 * optabs.def (cmul_optab, cmul_conj_optab): New.
14368 * doc/md.texi: Document them.
14369 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
14370 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
14371 vect_build_combine_node, class complex_mul_pattern,
14372 complex_mul_pattern::matches, complex_mul_pattern::recognize,
14373 complex_mul_pattern::build): New.
14375 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14377 * tree-vect-slp.c (optimize_load_redistribution_1): New.
14378 (optimize_load_redistribution, vect_is_slp_load_node): New.
14379 (vect_match_slp_patterns): Use it.
14381 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14383 * tree-vect-slp-patterns.c (complex_add_pattern::build):
14386 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
14388 * config/gcn/mkoffload.c (main): Create an offload image only in
14389 64-bit configurations.
14391 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
14394 * config/i386/i386-options.c (ix86_option_override_internal):
14395 Issue an error for -fcf-protection with CF_BRANCH when compiling
14396 for 32-bit non-TARGET_CMOV targets.
14398 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
14401 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
14402 Remove declaration and initialization of shadow variable "ret".
14403 (ix86_option_override_internal): Remove delcaration of
14404 shadow variable "i". Redeclare shadowed variable to unsigned.
14405 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
14406 * config/i386/i386-builtins.c (get_builtin_code_for_version):
14407 Update for redeclaration.
14408 * config/i386/i386.h (pta_size): Ditto.
14410 2021-01-14 Richard Biener <rguenther@suse.de>
14412 PR tree-optimization/98674
14413 * tree-data-ref.c (base_supports_access_fn_components_p): New.
14414 (initialize_data_dependence_relation): For two bases without
14415 possible access fns resort to type size equality when determining
14416 shape compatibility.
14418 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
14421 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
14422 <=, >= operators in vcle and vcge intrinsics respectively.
14423 * config/arm/arm_neon_builtins.def: Remove entry for
14426 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
14429 * config/i386/i386-options.c (ix86_function_specific_save):
14430 Remove redundant assignment to opts->x_ix86_branch_cost.
14431 * config/i386/i386.c (ix86_prefetch_sse):
14432 Rename from x86_prefetch_sse. Update all uses.
14433 * config/i386/i386.h: Update for rename.
14434 * config/i386/i386-options.h: Ditto.
14436 2021-01-14 Jakub Jelinek <jakub@redhat.com>
14439 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
14440 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
14441 Use Bm instead of m for non-avx. Add isa attribute.
14443 2021-01-14 Jakub Jelinek <jakub@redhat.com>
14445 PR tree-optimization/96688
14446 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
14447 ~X can be simplified.
14449 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
14451 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
14452 IFN_LOAD_LANES results.
14454 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14456 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
14458 (aarch64_xtn<mode>): Likewise.
14459 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
14462 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
14464 (vmovl_s16): Likewise.
14465 (vmovl_s32): Likewise.
14466 (vmovl_u8): Likewise.
14467 (vmovl_u16): Likewise.
14468 (vmovl_u32): Likewise.
14469 (vmovn_s16): Likewise.
14470 (vmovn_s32): Likewise.
14471 (vmovn_s64): Likewise.
14472 (vmovn_u16): Likewise.
14473 (vmovn_u32): Likewise.
14474 (vmovn_u64): Likewise.
14476 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14478 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
14480 (aarch64_<su>qxtn2<mode>_be): Likewise.
14481 (aarch64_<su>qxtn2<mode>): Likewise.
14482 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
14484 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
14485 (su): Handle ss_truncate and us_truncate.
14486 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
14488 (vqmovn_high_s32): Likewise.
14489 (vqmovn_high_s64): Likewise.
14490 (vqmovn_high_u16): Likewise.
14491 (vqmovn_high_u32): Likewise.
14492 (vqmovn_high_u64): Likewise.
14494 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14496 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
14498 (aarch64_xtn2<mode>_be): Likewise.
14499 (aarch64_xtn2<mode>): Likewise.
14500 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
14502 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
14504 (vmovn_high_s32): Likewise.
14505 (vmovn_high_s64): Likewise.
14506 (vmovn_high_u16): Likewise.
14507 (vmovn_high_u32): Likewise.
14508 (vmovn_high_u64): Likewise.
14510 2021-01-13 Stafford Horne <shorne@gmail.com>
14512 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
14514 2021-01-13 Stafford Horne <shorne@gmail.com>
14516 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
14518 2021-01-13 Stafford Horne <shorne@gmail.com>
14520 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
14521 define for __or1k_hard_float__.
14523 2021-01-13 Stafford Horne <shorne@gmail.com>
14525 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
14526 (PROFILE_HOOK): Define to call _mcount.
14527 (FUNCTION_PROFILER): Change from abort to no-op.
14529 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14531 PR tree-optimization/96691
14532 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
14533 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
14534 (~D ^ C) or (D ^ C) can be simplified.
14536 2021-01-13 Richard Biener <rguenther@suse.de>
14538 PR tree-optimization/92645
14539 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
14540 until after vector lowering.
14542 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14544 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
14546 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
14547 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
14549 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14551 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
14553 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
14554 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
14556 2021-01-13 Richard Biener <rguenther@suse.de>
14558 PR tree-optimization/92645
14559 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
14560 BIT_FIELD_REF argument.
14561 (vect_build_slp_tree_2): Record the desired vector type
14562 on the external vector def.
14563 (vectorizable_slp_permutation): Handle required punning
14564 of existing vector defs.
14566 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14568 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
14570 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14572 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
14574 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
14576 * config.gcc [$target == *-*-gnu*]: Enable
14577 'default_gnu_indirect_function'.
14579 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14582 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
14583 registers before calling targetm.vectorize.vec_perm_const, only after
14585 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
14586 two argument permutation when one operand is zero vector and only
14587 after that force operands into registers.
14588 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
14589 define_insn_and_split pattern.
14590 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
14591 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
14592 (*avx2_zero_extendv8hiv8si2_1): Likewise.
14593 (*avx512f_zero_extendv8siv8di2_1): Likewise.
14594 (*avx2_zero_extendv4siv4di2_1): Likewise.
14595 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
14597 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
14598 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
14599 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
14600 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
14601 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
14602 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
14604 2021-01-13 Martin Liska <mliska@suse.cz>
14606 PR tree-optimization/98455
14607 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
14608 Record also virtual PHIs.
14609 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
14612 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
14614 * doc/invoke.texi (C++ Modules): Fix typos.
14616 2021-01-13 Richard Biener <rguenther@suse.de>
14618 PR tree-optimization/98640
14619 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
14620 handle plus or minus from a truncated operand to be
14623 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14626 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
14627 define_insn_and_split patterns.
14628 (splitter after *btr<mode>_2): New splitter.
14630 2021-01-13 Martin Liska <mliska@suse.cz>
14633 * cgraphunit.c (analyze_functions): Remove dead code.
14635 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
14637 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
14638 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
14639 (a64fx_regmove_cost, a64fx_vector_cost): New.
14640 (a64fx_tunings): Use the new added cost tables.
14642 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14645 * config/i386/predicates.md (pmovzx_parallel): New predicate.
14646 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
14647 define_insn_and_split pattern.
14648 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
14649 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
14651 2021-01-13 Julian Brown <julian@codesourcery.com>
14653 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
14654 to fix v0 register.
14656 2021-01-13 Julian Brown <julian@codesourcery.com>
14658 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
14661 2021-01-13 Julian Brown <julian@codesourcery.com>
14663 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
14664 for reciprocal-approximation instructions.
14665 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
14666 refinement and division result.
14667 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
14669 2021-01-13 Julian Brown <julian@codesourcery.com>
14671 * config/gcn/gcn-valu.md (subdf): Rename to...
14674 2021-01-12 Martin Liska <mliska@suse.cz>
14676 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
14678 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
14680 * function-abi.h: Fix typo.
14682 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
14686 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
14687 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
14688 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
14689 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
14690 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
14691 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
14692 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
14693 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
14694 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
14695 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
14696 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
14697 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
14698 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
14699 (ARM_HAVE_V2DI_LDST): Likewise.
14700 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
14701 (*movmisalign<mode>_mve_load): New pattern.
14702 * config/arm/neon.md (movmisalign<mode>): Move to ...
14703 * config/arm/vec-common.md: ... here.
14705 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
14708 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
14709 of pattern 'plus (plus (hard reg, const), pseudo)'.
14711 2021-01-12 Richard Biener <rguenther@suse.de>
14713 PR tree-optimization/98550
14714 * tree-vect-slp.c (vect_record_max_nunits): Check whether
14715 the group size is a multiple of the vector element count.
14716 (vect_build_slp_tree_1): When we need to fail because
14717 the vector type choosen causes unrolling do so lazily
14718 without affecting matches only at the end to guide group splitting.
14720 2021-01-12 Martin Liska <mliska@suse.cz>
14723 * optc-save-gen.awk: Compare also n_target_save vars with
14726 2021-01-12 Martin Liska <mliska@suse.cz>
14728 * gcov.c (source_info::debug): New.
14729 (print_usage): Add --debug (-D) option.
14730 (process_args): Likewise.
14731 (generate_results): Call src->debug after
14732 accumulate_line_counts.
14733 (read_graph_file): Properly assign id for EXIT_BLOCK.
14734 * profile.c (branch_prob): Dump function body before it is
14737 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14739 PR tree-optimization/98629
14740 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
14741 unless returning non-zero.
14743 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14745 PR tree-optimization/95731
14746 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
14747 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
14748 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
14749 only after optimize_range_tests_var_bound.
14751 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14753 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
14754 * configure: Regenerated.
14756 2021-01-12 liuhongt <hongtao.liu@intel.com>
14759 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
14761 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
14764 2021-01-12 Alexandre Oliva <oliva@adacore.com>
14766 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
14768 (auto_end_imm_use_stmt_traverse): New struct.
14769 (FOR_EACH_IMM_USE_STMT): Use it.
14770 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
14772 * gimple-ssa-strength-reduction.c: ... here, ...
14773 * graphite-scop-detection.c: ... here, ...
14774 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
14775 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
14776 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
14777 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
14778 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
14779 * tree-vect-slp.c: ... and here, ...
14780 * doc/tree-ssa.texi: ... and the example here.
14782 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14784 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
14785 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
14786 (*sdiv_pow2<mode>3): New pattern.
14787 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
14788 Wrap the ASRD in an UNSPEC_PRED_X.
14789 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
14790 predicate with a constant PTRUE, if it isn't already.
14791 (*cond_<sve_int_op><mode>_z): Replace with...
14792 (*cond_<sve_int_op><mode>_any): ...this new pattern.
14794 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14796 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
14797 SVE_FULL_I to SVE_I.
14798 (*cond_bic<mode>_any): Likewise.
14800 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14802 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
14803 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
14806 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14808 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
14809 SVE_FULL_I to SVE_I.
14810 (*aarch64_cond_<su>abd<mode>_2): Likewise.
14811 (*aarch64_cond_<su>abd<mode>_any): Likewise.
14812 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
14813 for the max and min but not for the minus.
14814 (*aarch64_cond_<su>abd<mode>_3): New pattern.
14816 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14818 * config/aarch64/iterators.md (SVE_24I): New iterator.
14819 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
14820 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
14822 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14824 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
14825 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
14827 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
14828 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
14829 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
14830 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
14832 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14834 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
14835 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
14836 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
14839 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14841 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
14842 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
14843 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
14845 2021-01-11 Martin Liska <mliska@suse.cz>
14848 * symtab-clones.h (clone_info::release): Release
14849 symtab::m_clones with ggc_delete as it's a GGC memory.
14851 2021-01-11 Matthias Klose <doko@ubuntu.com>
14853 * Makefile.in (LINK_PROGRESS): Show the link target.
14855 2021-01-11 Richard Biener <rguenther@suse.de>
14857 PR tree-optimization/91403
14858 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
14859 single-element interleaving group size at 4096 elements.
14861 2021-01-11 Richard Biener <rguenther@suse.de>
14863 PR tree-optimization/98526
14864 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
14865 of the actual reduction op for the regular case.
14866 (vectorizable_reduction): Cost the stmts
14867 vect_transform_reduction produces here.
14869 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
14871 * tree-ssa-forwprop.c (simplify_vector_constructor): For
14872 big-endian, use UNPACK[_FLOAT]_HI.
14874 2021-01-11 Tamar Christina <tamar.christina@arm.com>
14876 * tree-vect-slp-patterns.c (class complex_pattern,
14877 class complex_add_pattern): Add parameters to matches.
14878 (complex_add_pattern::build): Free memory.
14879 (complex_add_pattern::matches): Move validation end of match.
14880 (complex_add_pattern::recognize): Likewise.
14882 2021-01-11 Tamar Christina <tamar.christina@arm.com>
14884 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
14886 2021-01-11 Tamar Christina <tamar.christina@arm.com>
14888 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
14890 2021-01-11 Jakub Jelinek <jakub@redhat.com>
14892 PR tree-optimization/95867
14893 * tree-ssa-math-opts.h: New header.
14894 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
14895 (powi_as_mults): No longer static. Use build_one_cst instead of
14896 build_real. Formatting fix.
14897 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
14898 (attempt_builtin_powi): Handle multiplication reassociation without
14899 powi_fndecl using powi_as_mults.
14900 (reassociate_bb): For integral types don't require
14901 -funsafe-math-optimizations to call attempt_builtin_powi.
14903 2021-01-11 Jakub Jelinek <jakub@redhat.com>
14905 PR tree-optimization/95852
14906 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
14907 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
14908 allow in the bb any of the stmts in that vector, div_stmt and
14909 up to 3 cast stmts.
14910 (arith_cast_equal_p): New function.
14911 (arith_overflow_check_p): Add cast_stmt argument, handle signed
14912 multiply overflow checks.
14913 (match_arith_overflow): Adjust caller. Handle signed multiply
14916 2021-01-11 Jakub Jelinek <jakub@redhat.com>
14918 PR tree-optimization/95852
14919 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
14920 (uaddsub_overflow_check_p): Renamed to ...
14921 (arith_overflow_check_p): ... this. Handle also multiplication
14922 with overflow check.
14923 (match_uaddsub_overflow): Renamed to ...
14924 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
14925 also multiplication with overflow check. Adjust function comment.
14926 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
14927 match_arith_overflow also for MULT_EXPR.
14929 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14931 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
14932 __builtin_convertvector.
14933 (vmovl_s16): Likewise.
14934 (vmovl_s32): Likewise.
14935 (vmovl_u8): Likewise.
14936 (vmovl_u16): Likewise.
14937 (vmovl_u32): Likewise.
14938 (vmovn_s16): Likewise.
14939 (vmovn_s32): Likewise.
14940 (vmovn_s64): Likewise.
14941 (vmovn_u16): Likewise.
14942 (vmovn_u32): Likewise.
14943 (vmovn_u64): Likewise.
14945 2021-01-11 Martin Liska <mliska@suse.cz>
14947 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
14948 (if_chain::is_beneficial): Delete clusters
14949 (find_conditions): Make second argument of conditions_in_bbs a
14950 pointer so that we control over it's lifetime.
14951 (pass_if_to_switch::execute): Delete them.
14953 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
14955 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
14958 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
14960 * config/vax/vax.md (cc): Remove mode attribute.
14961 (subst_<cc>, subst_f<cc>): Rename to...
14962 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
14963 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
14964 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
14965 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
14967 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
14969 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
14970 `const_double_zero'.
14972 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
14974 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
14975 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
14978 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
14980 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
14982 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
14983 with `const_double_zero'.
14984 * doc/rtl.texi (Constant Expression Types): Document it.
14986 2021-01-09 Jakub Jelinek <jakub@redhat.com>
14989 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
14990 POINTER_DIFF_EXPR to be any integral type.
14992 2021-01-09 Jakub Jelinek <jakub@redhat.com>
14994 PR rtl-optimization/98603
14995 * function.c (instantiate_virtual_regs_in_insn): For asm goto
14996 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
14997 if any, set ASM_OPERANDS mode to VOIDmode and change
14998 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
15000 2021-01-09 Alexandre Oliva <oliva@gnu.org>
15003 * final.c (notice_source_line): Narrow down the condition to
15004 skip a line-0 marker.
15006 2021-01-08 Sergei Trofimovich <siarheit@google.com>
15008 * ipa-modref.c (merge_call_side_effects): Fix
15009 linebreak split by reordering two print calls.
15011 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
15013 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
15014 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
15015 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
15016 consistency, fix constraint.
15018 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
15020 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
15021 callables instead of mask values.
15022 (struct target_flag_set_p): New predicate.
15023 (s390_cpu_cpp_builtins_internal): Define or undefine
15024 __LONG_DOUBLE_VX__ macro.
15026 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
15029 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
15030 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
15033 2021-01-08 Richard Biener <rguenther@suse.de>
15035 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
15037 2021-01-08 Richard Biener <rguenther@suse.de>
15039 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
15040 (vect_build_slp_tree): On cache hit release the matched
15041 scalar stmts vector.
15042 * tree-vect-stmts.c (vectorizable_store): Properly free
15043 vec_oprnds before possibly gathering them again.
15045 2021-01-08 Richard Biener <rguenther@suse.de>
15047 PR tree-optimization/98544
15048 * tree-vect-slp.c (vect_optimize_slp): Always materialize
15049 permutes at a permute node.
15051 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
15054 * config/i386/i386.c (x86_function_profiler): Use R10 to call
15055 mcount in large model. Sorry for large model with PIC.
15057 2021-01-08 Jakub Jelinek <jakub@redhat.com>
15060 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
15061 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
15062 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
15063 TargetSave and initialize for variables with enum types.
15064 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
15065 mstack-protector-guard-symbol=): Add Save.
15066 * config/i386/i386-options.c (ix86_function_specific_save,
15067 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
15068 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
15069 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
15070 x_ix86_veclibabi_type.
15072 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
15074 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
15075 SVE_FULL_I to SVE_I.
15076 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
15078 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
15080 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
15081 SVE_FULL_I to SVE_I.
15082 (*cond_uxt<mode>_any): Likewise.
15084 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15086 * config/aarch64/iterators.md (Vwhalf): New iterator.
15087 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
15089 (aarch64_<sur>adalp<mode>): ... This. Make more
15091 (<sur>sadv16qi): Adjust callsite of the above.
15092 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
15094 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
15096 (vpadal_s16): Likewise.
15097 (vpadal_u8): Likewise.
15098 (vpadal_u16): Likewise.
15099 (vpadalq_s8): Likewise.
15100 (vpadalq_s16): Likewise.
15101 (vpadalq_s32): Likewise.
15102 (vpadalq_u8): Likewise.
15103 (vpadalq_u16): Likewise.
15104 (vpadalq_u32): Likewise.
15106 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15108 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
15110 (aarch64_<su>abd<mode>): ... This.
15111 (<sur>sadv16qi): Adjust callsite of the above.
15112 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
15114 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
15116 (vabd_s16): Likewise.
15117 (vabd_s32): Likewise.
15118 (vabd_u8): Likewise.
15119 (vabd_u16): Likewise.
15120 (vabd_u32): Likewise.
15121 (vabdq_s8): Likewise.
15122 (vabdq_s16): Likewise.
15123 (vabdq_s32): Likewise.
15124 (vabdq_u8): Likewise.
15125 (vabdq_u16): Likewise.
15126 (vabdq_u32): Likewise.
15128 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15130 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
15132 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
15133 (vaba_s16): Likewise.
15134 (vaba_s32): Likewise.
15135 (vaba_u8): Likewise.
15136 (vaba_u16): Likewise.
15137 (vaba_u32): Likewise.
15138 (vabaq_s8): Likewise.
15139 (vabaq_s16): Likewise.
15140 (vabaq_s32): Likewise.
15141 (vabaq_u8): Likewise.
15142 (vabaq_u16): Likewise.
15143 (vabaq_u32): Likewise.
15145 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15147 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
15148 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
15149 Change RTL pattern to match.
15151 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
15153 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
15154 * config/riscv/riscv-c.c (riscv-subset.h): New.
15155 (INCLUDE_STRING): Define.
15156 (riscv_cpu_cpp_builtins): Add new style architecture extension
15158 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
15159 (riscv_subset_list::end): New.
15160 (riscv_current_subset_list): New.
15162 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
15164 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
15165 Move to riscv-subset.h.
15166 (struct riscv_subset_t): Ditto.
15167 (class riscv_subset_list): Ditto.
15168 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
15169 from riscv-common.c.
15170 (struct riscv_subset_t): Ditto.
15171 (class riscv_subset_list): Ditto.
15172 * config/riscv/t-riscv ($(common_out_file)): Add file
15175 2021-01-07 Jakub Jelinek <jakub@redhat.com>
15178 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
15179 New define_insn patterns.
15181 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15183 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
15184 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
15185 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
15187 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15189 PR tree-optimization/98560
15190 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
15191 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
15193 (vec_cond_direct): Likewise argument 2.
15194 (vec_condu_direct, vec_condeq_direct): Delete.
15195 (expand_vect_cond_optab_fn): Rename to...
15196 (expand_vec_cond_optab_fn): ...this, replacing old macro.
15197 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
15198 (expand_vect_cond_mask_optab_fn): Rename to...
15199 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
15200 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
15202 (direct_vec_cond_optab_supported_p): Likewise.
15203 (direct_vec_condu_optab_supported_p): Delete.
15204 (direct_vec_condeq_optab_supported_p): Delete.
15205 * gimple-isel.cc: Include internal-fn.h.
15206 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
15209 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
15211 PR tree-optimization/98560
15212 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
15213 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
15215 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
15217 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
15218 rotate_insn and optab code attributes.
15219 Update all uses to merged code attribute.
15220 * config/i386/sse.md: Update all uses to merged code attribute.
15221 * config/i386/mmx.md: Update all uses to merged code attribute.
15223 2021-01-07 Jakub Jelinek <jakub@redhat.com>
15225 PR tree-optimization/98568
15226 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
15227 (bswap_replace): Use it.
15229 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
15231 PR rtl-optimization/97978
15232 * lra-int.h (lra_hard_reg_split_p): New external.
15233 * lra.c (lra_hard_reg_split_p): New global.
15234 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
15235 * lra-assigns.c (lra_assign): Don't check allocation correctness
15236 after hard reg splitting.
15238 2021-01-06 Martin Sebor <msebor@redhat.com>
15241 * builtins.c (new_delete_mismatch_p): New overload.
15242 (new_delete_mismatch_p (tree, tree)): Call it.
15244 2021-01-06 Alexandre Oliva <oliva@adacore.com>
15246 * Makefile.in (T_GLIMITS_H): New.
15247 (stmp-int-hdrs): Depend on it, use it.
15248 * config/t-vxworks (T_GLIMITS_H): Override it.
15249 (vxw-glimits.h): New.
15251 2021-01-06 Richard Biener <rguenther@suse.de>
15253 PR tree-optimization/98513
15254 * value-range.cc (intersect_ranges): Compare the upper bounds
15255 for the expected relation.
15257 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
15260 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
15262 * doc/standards.texi (HSAIL): Remove section.
15264 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
15266 * configure: Re-generate.
15268 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15270 * doc/invoke.texi (-std=c++20): Adjust for the publication of
15271 ISO 14882:2020 standard.
15272 * doc/standards.texi: Likewise.
15274 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15276 PR tree-optimization/94802
15277 * expr.h (maybe_optimize_sub_cmp_0): Declare.
15278 * expr.c: Include tree-pretty-print.h and flags.h.
15279 (maybe_optimize_sub_cmp_0): New function.
15280 (do_store_flag): Use it.
15281 * cfgexpand.c (expand_gimple_cond): Likewise.
15283 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15285 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
15286 * rtlanal.c (simple_regno_set): Tweak description to clarify the
15289 2021-01-05 Richard Biener <rguenther@suse.de>
15291 PR tree-optimization/98516
15292 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
15293 lanes when materializing on a VEC_PERM node.
15294 (vectorizable_slp_permutation): Dump the permute properly.
15296 2021-01-05 Richard Biener <rguenther@suse.de>
15298 * tree-vect-slp.c (vect_slp_region): Move debug counter
15299 to cover individual subgraphs.
15301 2021-01-05 Richard Biener <rguenther@suse.de>
15303 PR tree-optimization/98428
15304 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
15305 vector lane extracts for loop vectorization.
15307 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15309 PR tree-optimization/98514
15310 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
15312 (operand_rank): Change type from hash_map<tree, long> to
15313 hash_map<tree, int64_t>.
15314 (phi_rank): Change return type from long to int64_t.
15315 (loop_carried_phi): Change block_rank variable type from long to
15317 (propagate_rank): Change return type, rank parameter type and
15318 op_rank variable type from long to int64_t.
15319 (find_operand_rank): Change return type from long to int64_t
15320 and change slot variable type from long * to int64_t *.
15321 (insert_operand_rank): Change rank parameter type from long to
15323 (get_rank): Change return type and rank variable type from long to
15324 int64_t. Use PRId64 instead of ld to print the rank.
15325 (init_reassoc): Change rank variable type from long to int64_t
15326 and adjust correspondingly bb_rank and operand_rank initialization.
15328 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15330 PR tree-optimization/96928
15331 * tree-ssa-phiopt.c (xor_replacement): New function.
15332 (tree_ssa_phiopt_worker): Call it.
15334 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15336 PR tree-optimization/96930
15337 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
15338 from narrower value which has the same type as 1 << B, perform
15339 the right shift on the narrower value followed by extension.
15341 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15343 PR tree-optimization/96239
15344 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
15346 (get_status_for_store_merging): Don't return BB_INVALID for blocks
15347 with potential bswap optimizable CONSTRUCTORs.
15348 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
15351 2021-01-05 Richard Biener <rguenther@suse.de>
15353 PR tree-optimization/98381
15354 * tree.c (vector_element_bits): Properly compute bool vector
15356 * tree-vect-loop.c (vectorizable_live_operation): Properly
15357 compute the last lane bit offset.
15359 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
15362 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
15363 Clear the top 64 bytes of the input XMM register.
15364 (sse_cvttps2pi): Ditto.
15366 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
15369 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
15371 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
15374 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
15377 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
15379 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
15380 (umaddsidi4_split): Likewise.
15382 2021-01-05 liuhongt <hongtao.liu@intel.com>
15385 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
15386 define_insn_and_split for zero_extend of subreg HI of pmovskb
15388 (*sse2_pmovskb_zexthisi): Add new combine splitters for
15389 zero_extend of not of subreg HI of pmovskb result.
15391 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15394 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
15396 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
15397 convert_memory_address to convert symbolic immediates to ptr_mode
15398 before forcing them to memory.
15400 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15402 PR rtl-optimization/97144
15403 * recog.c (constrain_operands): Initialize matching_operand
15404 for each alternative, rather than only doing it once.
15406 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15408 PR rtl-optimization/98403
15409 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
15410 why we don't remove call clobbers.
15411 (function_info::apply_changes_to_insn): Don't attempt to add
15412 call clobbers here.
15414 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15416 PR tree-optimization/98371
15417 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
15418 (vect_analyze_loop): If an epilogue loop appears to be cheaper
15419 than the main loop, re-analyze it as a main loop before adopting
15422 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
15425 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
15426 * aclocal.m4, configure: Regenerate.
15427 * Makefile.in (NETLIBS): Define.
15428 (BACKEND): Remove $(CODYLIB).
15430 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15432 PR rtl-optimization/98334
15433 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
15434 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
15436 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
15438 * tree-inline.c (expand_call_inline): Restore input_location.
15439 Return result from recursive call.
15441 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15443 PR tree-optimization/95401
15444 * config/aarch64/aarch64-sve-builtins.cc
15445 (gimple_folder::load_store_cookie): Use bits rather than bytes
15446 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
15447 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
15448 * tree-vect-stmts.c (vectorizable_store): Likewise.
15449 (vectorizable_load): Likewise.
15451 2021-01-04 Richard Biener <rguenther@suse.de>
15453 PR tree-optimization/98308
15454 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
15457 2021-01-04 Jakub Jelinek <jakub@redhat.com>
15459 PR tree-optimization/95771
15460 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
15461 with precision smaller than int's precision and types with precision
15462 twice as large as long long. Formatting fixes.
15464 2021-01-04 Richard Biener <rguenther@suse.de>
15466 PR tree-optimization/98464
15467 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
15468 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
15469 (process_bb): Adjust.
15471 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
15474 * doc/invoke.texi (-fsanitize=address): Fix wording describing
15475 clash with -fsanitize=hwaddress.
15477 2021-01-04 Richard Biener <rguenther@suse.de>
15479 PR tree-optimization/98282
15480 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
15481 invariants as VN_NARY.
15483 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15486 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
15487 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
15488 to handle zero operands.
15490 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15492 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
15493 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
15494 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
15497 2021-01-04 Richard Biener <rguenther@suse.de>
15499 PR tree-optimization/98393
15500 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
15501 when hitting the limit.
15503 2021-01-04 Richard Biener <rguenther@suse.de>
15505 PR tree-optimization/98291
15506 * tree-vect-loop.c (vectorizable_reduction): Bypass
15507 associativity check for SLP reductions with VF 1.
15509 2021-01-04 Jakub Jelinek <jakub@redhat.com>
15511 PR tree-optimization/96782
15512 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
15514 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
15516 * collect-utils.c (collect_execute): Check dumppfx.
15517 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
15518 to collect_execute.
15519 (do_link): Add new parameter atsuffix.
15520 (main): Handle -dumpdir option. Skip one argument for
15521 -o, -isystem and -B options.
15522 * gcc.c (make_at_file): New helper function.
15523 (close_at_file): Use it.
15525 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15527 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
15528 Amend handling for LD64_VERSION fallback defaults.
15530 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15532 * config.gcc: Compute default version information
15533 from the configured target. Likewise defaults for
15535 * config/darwin10.h: Removed.
15536 * config/darwin12.h: Removed.
15537 * config/darwin9.h: Removed.
15538 * config/rs6000/darwin8.h: Removed.
15540 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15542 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
15544 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15546 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
15547 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
15549 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15551 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
15553 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
15555 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15557 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
15558 for the Darwin10 unwinder stub from here ...
15559 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
15561 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15563 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
15564 (ASM_DEBUG_SPEC):Only define if the assembler supports
15566 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
15567 (DARWIN_PREFER_DWARF): Define.
15568 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
15569 (DARWIN_PREFER_DWARF): Likewise
15570 (DSYMUTIL_SPEC): Likewise.
15571 (COLLECT_RUN_DSYMUTIL): Likewise.
15572 (ASM_DEBUG_SPEC): Likewise.
15573 (ASM_DEBUG_OPTION_SPEC): Likewise.
15575 2021-01-02 Jan Hubicka <jh@suse.cz>
15577 * cfg.c (free_block): ggc_free bb.
15579 2021-01-01 Jakub Jelinek <jakub@redhat.com>
15581 * gcc.c (process_command): Update copyright notice dates.
15582 * gcov-dump.c (print_version): Ditto.
15583 * gcov.c (print_version): Ditto.
15584 * gcov-tool.c (print_version): Ditto.
15585 * gengtype.c (create_file): Ditto.
15586 * doc/cpp.texi: Bump @copying's copyright year.
15587 * doc/cppinternals.texi: Ditto.
15588 * doc/gcc.texi: Ditto.
15589 * doc/gccint.texi: Ditto.
15590 * doc/gcov.texi: Ditto.
15591 * doc/install.texi: Ditto.
15592 * doc/invoke.texi: Ditto.
15594 2021-01-01 Jakub Jelinek <jakub@redhat.com>
15596 * ChangeLog-2020: Rotate ChangeLog. New file.
15599 Copyright (C) 2021 Free Software Foundation, Inc.
15601 Copying and distribution of this file, with or without modification,
15602 are permitted in any medium without royalty provided the copyright
15603 notice and this notice are preserved.