1 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
3 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
5 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
6 Add Neon to general purpose register case for zero-extend
8 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
9 case to prevent some cases opting to go through memory.
10 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
11 * rtl.c (rtvec_series_p): Define predicate to determine
12 whether a vector contains a linear series of integers.
13 * rtl.h (rtvec_series_p): Define.
14 * rtlanal.c (vec_series_lowpart_p): Define predicate to
15 determine if a vector selection is equivalent to the low part
17 * rtlanal.h (vec_series_lowpart_p): Define.
18 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
19 Add vec_select -> subreg simplification.
21 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
23 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
24 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
25 _mm_test_mix_ones_zeros): New.
27 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
28 Richard Biener <rguenther@suse.de>
30 * gimple.c (gimple_could_trap_p_1): Make S argument a
31 "const gimple*". Preserve constness in call to
32 gimple_asm_volatile_p.
33 (gimple_could_trap_p): Make S argument a "const gimple*".
34 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
35 Update function prototypes.
37 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
39 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
40 (_loop_vec_info::main_loop_edge): New field.
41 (_loop_vec_info::skip_main_loop_edge): Likewise.
42 (_loop_vec_info::skip_this_loop_edge): Likewise.
43 (_loop_vec_info::reusable_accumulators): Likewise.
44 (_stmt_vec_info::reduc_scalar_results): Likewise.
45 (_stmt_vec_info::reused_accumulator): Likewise.
46 (vect_get_main_loop_result): Declare.
47 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
49 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
50 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
51 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
52 skip_main_loop_edge and skip_this_loop_edge fields.
53 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
54 (vect_emit_reduction_init_stmts): New function.
55 (get_initial_def_for_reduction): Use it.
56 (get_initial_defs_for_reduction): Likewise. Change the vinfo
57 parameter to a loop_vec_info.
58 (vect_create_epilog_for_reduction): Store the scalar results
59 in the reduc_info. If an epilogue loop is reusing an accumulator
60 from the main loop, and if the epilogue loop can also be skipped,
61 try to place the reduction code in the join block. Record
62 accumulators that could potentially be reused by epilogue loops.
63 (vect_transform_cycle_phi): When vectorizing epilogue loops,
64 try to reuse accumulators from the main loop. Record the initial
65 value in reduc_info for non-SLP reductions too.
67 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
69 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
70 adjustment handling. Take the neutral value as an argument,
71 in place of the code argument.
72 (vect_transform_cycle_phi): Update accordingly. Handle the
73 initial values of cond reductions separately from code reductions.
74 Choose the adjustment here rather than in
75 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
77 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
79 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
80 (neutral_op_for_reduction): ...this, providing a more general
82 (vect_create_epilog_for_reduction): Update accordingly.
83 (vectorizable_reduction): Likewise.
84 (vect_transform_cycle_phi): Likewise.
86 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
88 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
89 reduc_info instead of the original stmt_vec_info.
90 (vect_transform_cycle_phi): Update accordingly.
92 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
94 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
95 reduc_info as an additional parameter.
96 (vect_transform_cycle_phi): Update accordingly.
98 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
100 * tree-vectorizer.h: Include tree-ssa-operands.h.
101 (vect_phi_initial_value): New function.
102 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
103 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
104 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
105 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
107 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
109 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
110 the phi results to vectype after creating them. Remove later
111 conversion code that thus becomes redundant.
113 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
115 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
116 the new_phis vector with a reduc_inputs vector. Combine handling
117 of reduction chains and ncopies > 1.
119 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
121 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
122 scalar_results to group_size elements after reducing down from
123 N*group_size elements. Construct an array_slice of the live-out
124 stmts and assert that there is one stmt per scalar result.
126 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
128 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
129 nested_in_vect_loop and use double_reduc everywhere. Remove dead
130 assignment to "loop".
132 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
134 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
135 vector types first. For scalar types, consider both the preferred
136 vector mode and the alternative vector modes.
137 * optabs-query.c (can_vec_mask_load_store_p): Use the same
138 structure as above, in particular using related_vector_mode
139 for modes provided by autovectorize_vector_modes.
141 2021-07-13 Jakub Jelinek <jakub@redhat.com>
142 Richard Biener <rguenther@suse.de>
144 PR tree-optimization/101419
145 * tree-pass.h (PROP_objsz): Define.
146 (make_pass_early_object_sizes): Declare.
147 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
148 there to pass_early_object_sizes, drop parameter.
149 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
150 drop parameter, move pass_post_ipa_warn right after that.
151 * tree-object-size.c (pass_object_sizes::execute): Rename to...
152 (object_sizes_execute): ... this. Add insert_min_max_p argument.
153 (pass_data_object_sizes): Move after object_sizes_execute.
154 (pass_object_sizes): Likewise. In execute method call
155 object_sizes_execute, drop set_pass_param method and insert_min_max_p
156 non-static data member and its initializer in the ctor.
157 (pass_data_early_object_sizes, pass_early_object_sizes,
158 make_pass_early_object_sizes): New.
159 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
160 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
162 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
165 * config/riscv/constraints.md ("S"): Update description and remove
167 * doc/md.texi (Machine Constraints): Document the 'S' constraints
170 2021-07-13 Richard Biener <rguenther@suse.de>
173 2021-07-12 Richard Biener <rguenther@suse.de>
175 * tree-vect-slp.c (vect_slp_region): Show the number of
176 SLP graph entries in the optimization message.
178 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
180 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
182 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
184 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
187 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
189 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
190 Query relation between the 2 operands and use it.
192 2021-07-12 Sergei Trofimovich <siarheit@google.com>
194 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
196 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
199 * config/i386/predicates.md (vec_setm_sse41_operand):
200 Rename from vec_setm_operand.
201 (vec_setm_avx2_operand): New predicate.
202 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
203 Use vec_setm_sse41_operand as operand 2 predicate.
204 (vec_set<V_256_512:mode): New expander.
205 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
206 as operand 2 predicate.
208 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
210 PR tree-optimization/101335
211 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
213 2021-07-12 Andrew Pinski <apinski@marvell.com>
215 * tree-ssa-phiopt.c (match_simplify_replacement): Move
216 insert of the sequence before the movement of the
217 statement. Check if to see if the statement is used
218 outside of the original phi to see if we should move it.
220 2021-07-12 Richard Biener <rguenther@suse.de>
222 * dump-context.h (debug_dump_context::debug_dump_context):
223 Add FILE * parameter defaulted to stderr.
224 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
225 * tree-vect-slp.c (dot_slp_tree): New functions.
227 2021-07-12 Richard Biener <rguenther@suse.de>
229 PR tree-optimization/101373
230 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
231 references when the BB may not return.
232 (compute_avail): Pass in the function we're working on and
233 replace cfun references with it. Externally throwing
234 const calls also possibly terminate the function.
235 (pass_pre::execute): Pass down the function we're working on.
236 * gcse.c (compute_hash_table_work): Externally throwing
237 const/pure calls also need record_last_mem_set_info.
238 * postreload-gcse.c (record_opr_changes): Looping or externally
239 throwing const/pure calls also need record_last_mem_set_info.
241 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
243 * recog.c (memory_address_addr_space_p): Change the type to bool.
244 Return true/false instead of 1/0.
245 (offsettable_memref_p): Ditto.
246 (offsettable_nonstrict_memref_p): Ditto.
247 (offsettable_address_addr_space_p): Ditto.
248 Change the type of addressp indirect function to bool.
249 * recog.h (memory_address_addr_space_p): Change the type to bool.
250 (strict_memory_address_addr_space_p): Ditto.
251 (offsettable_memref_p): Ditto.
252 (offsettable_nonstrict_memref_p): Ditto.
253 (offsettable_address_addr_space_p): Ditto.
254 * reload.c (maybe_memory_address_addr_space_p): Ditto.
255 (strict_memory_address_addr_space_p): Change the type to bool.
256 Return true/false instead of 1/0.
257 (maybe_memory_address_addr_space_p): Change the type to bool.
259 2021-07-12 Richard Biener <rguenther@suse.de>
261 * tree-vect-slp.c (vect_slp_region): Show the number of
262 SLP graph entries in the optimization message.
264 2021-07-12 Richard Biener <rguenther@suse.de>
266 PR tree-optimization/101394
267 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
268 copies from abnormals for a full redundancy.
270 2021-07-12 Richard Biener <rguenther@suse.de>
273 * gimple.c (gimple_could_trap_p_1): Internal function calls
275 * tree-eh.c (tree_could_trap_p): Likewise.
277 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
280 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
282 (vmulq_n_u32): Likewise.
283 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
284 (vmulq_n_f32): Likewise.
285 (vmul_n_f16): Likewise.
286 (vmulq_n_f16): Likewise.
288 2021-07-12 Martin Liska <mliska@suse.cz>
291 * gcc.c (check_offload_target_name): Call
292 candidates_list_and_hint only if we have a candidate.
294 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
297 * config/arm/neon.md (vec_init): Move to ...
298 * config/arm/vec-common.md (vec_init): ... here.
299 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
301 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
303 PR tree-optimization/101403
304 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
305 signedness of the shift is not the same as the signedness of
308 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
309 Uroš Bizjak <ubizjak@gmail.com>
311 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
312 divmod of a constant numerator with new define_insn_and_split.
314 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
317 * config/i386/i386-expand.c (ix86_expand_call): If a call is
318 to a non-local-binding, or local but to a public symbol, then
319 assume that it might be indirected via the lazy symbol binder.
320 Mark R10 and R10 as clobbered in that case.
322 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
325 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
326 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
327 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
329 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
331 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
332 log2 range of operands[3] to [1,31].
333 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
335 2021-07-09 Sergei Trofimovich <siarheit@google.com>
337 * doc/md.texi: Don't split @smallexample in multiple @groups.
339 2021-07-09 Sergei Trofimovich <siarheit@google.com>
341 * doc/md.texi: Add missing 'see' word.
343 2021-07-09 Andrew Pinski <apinski@marvell.com>
345 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
346 to take sequence and gimple_match_op. Accept the case where
347 op is a SSA_NAME and one statement in the sequence.
348 Also allow constants.
349 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
350 Update call to phiopt_early_allow. Discard the sequence if not
353 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
358 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
359 instead of ISA_HAS_MSA.
360 (mips_expand_vec_unpack): Likewise.
361 (mips_expand_vector_init): Likewise.
363 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
365 * config/rs6000/vsx.md (mods_<mode>): Rename to...
366 (mod<mode>3): ... this.
367 (modu_<mode>): Rename to...
368 (umod<mode>3): ... this.
369 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
372 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
374 * config/h8300/shiftrotate.md (variable shifts): Expose condition
375 code handling for the test before the loop.
377 2021-07-08 Martin Jambor <mjambor@suse.cz>
380 * ipa-sra.c (class isra_call_summary): New member
381 m_before_any_store, initialize it in the constructor.
382 (isra_call_summary::dump): Dump the new field.
383 (ipa_sra_call_summaries::duplicate): Copy it.
384 (process_scan_results): Set it.
385 (isra_write_edge_summary): Stream it.
386 (isra_read_edge_summary): Likewise.
387 (param_splitting_across_edge): Only override
388 safe_to_import_accesses if m_before_any_store is set.
390 2021-07-08 Martin Sebor <msebor@redhat.com>
393 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
394 Use Object Size Type 0 instead of 1.
396 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
398 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
401 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
403 * match.pd: Simplify an extend-operate-truncate sequence involving
406 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
407 Richard Biener <rguenther@suse.de>
409 PR tree-optimization/40210
410 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
411 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
412 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
414 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
417 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
419 * config/i386/mmx.md (V_32): New mode iterator.
420 (mov<V_32:mode>): Use V_32 mode iterator.
421 (*mov<V_32:mode>_internal): Ditto.
422 (*push<V_32:mode>2_rex64): Ditto.
423 (*push<V_32:mode>2): Ditto.
424 (movmisalign<V_32:mode>): Ditto.
425 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
426 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
427 (vec_unpacks_lo_v4qi): New expander.
428 (vec_unpacks_hi_v4qi): Ditto.
429 (vec_unpacku_lo_v4qi): Ditto.
430 (vec_unpacku_hi_v4qi): Ditto.
431 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
432 (VALID_INT_MODE_P): Ditto.
434 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
437 * config/rs6000/rs6000.md (udivti3): New insn.
442 2021-07-07 Martin Sebor <msebor@redhat.com>
444 PR tree-optimization/100137
445 PR tree-optimization/99121
446 PR tree-optimization/97027
447 * builtins.c (access_ref::access_ref): Also set offmax.
448 (access_ref::offset_in_range): Define new function.
449 (access_ref::add_offset): Set offmax.
450 (access_ref::inform_access): Handle access_none.
451 (handle_mem_ref): Clear ostype.
452 (compute_objsize_r): Handle ASSERT_EXPR.
453 * builtins.h (struct access_ref): Add offmax member.
454 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
455 compute_objsize() and simplify.
457 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
459 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
460 and VSX_BUILTIN_STXVP.
462 2021-07-07 Martin Sebor <msebor@redhat.com>
465 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
466 a stray %K from error_at() missed in r12-2088.
468 2021-07-07 Richard Biener <rguenther@suse.de>
470 PR tree-optimization/99728
471 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
473 (mem_refs_may_alias_p): Add assert we handled aggregate
475 (sm_seq_valid_bb): Give up when running into aggregate copies.
476 (ref_indep_loop_p): Handle aggregate copies as never
477 being invariant themselves but allow other refs to be
478 disambiguated against them.
479 (can_sm_ref_p): Do not try to apply store-motion to aggregate
482 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
485 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
488 2021-07-06 Martin Sebor <msebor@redhat.com>
490 * gimple-pretty-print.c (percent_G_format): Remove.
491 * tree-diagnostic.c (default_tree_printer): Remove calls.
492 * tree-pretty-print.c (percent_K_format): Remove.
493 * tree-pretty-print.h (percent_K_format): Remove.
495 2021-07-06 Martin Sebor <msebor@redhat.com>
497 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
498 Remove %K and use error_at.
499 (aarch64_expand_fcmla_builtin): Same.
500 (aarch64_expand_builtin_tme): Same.
501 (aarch64_expand_builtin_memtag): Same.
502 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
503 (arm_expand_builtin): Same.
504 * config/arm/arm.c (bounds_check): Same.
506 2021-07-06 Martin Sebor <msebor@redhat.com>
508 * builtins.c (warn_string_no_nul): Remove %G.
509 (maybe_warn_for_bound): Same.
510 (warn_for_access): Same.
511 (check_access): Same.
512 (check_strncat_sizes): Same.
513 (expand_builtin_strncat): Same.
514 (expand_builtin_strncmp): Same.
515 (expand_builtin): Same.
516 (expand_builtin_object_size): Same.
517 (warn_dealloc_offset): Same.
518 (maybe_emit_free_warning): Same.
519 * calls.c (maybe_warn_alloc_args_overflow): Same.
520 (maybe_warn_nonstring_arg): Same.
521 (maybe_warn_rdwr_sizes): Same.
522 * expr.c (expand_expr_real_1): Remove %K.
523 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
524 (gimple_fold_builtin_strncat): Same.
525 * gimple-ssa-sprintf.c (format_directive): Same.
526 (handle_printf_call): Same.
527 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
528 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
529 (maybe_diag_access_bounds): Same. Call gimple_location.
530 (check_bounds_or_overlap): Same.
531 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
532 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
533 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
534 (maybe_diag_stxncpy_trunc): Same.
535 (handle_builtin_stxncpy_strncat): Same.
536 (maybe_warn_pointless_strcmp): Same.
537 * tree-ssa-uninit.c (maybe_warn_operand): Same.
539 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
542 * config/i386/predicates.md (vec_setm_operand): Enable
543 register_operand for TARGET_SSE4_1.
544 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
545 as operand 2 predicate. Call ix86_expand_vector_set_var
546 for non-constant index operand.
547 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
548 Call ix86_expand_vector_set_var for non-constant index operand.
550 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
552 * config/h8300/jumpcall.md (*branch): When possible, generate
553 the comparison in CCZN mode.
554 * config/h8300/predicates.md (simple_memory_operand): Reject all
555 auto-increment addressing modes.
557 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
560 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
563 2021-07-06 Richard Biener <rguenther@suse.de>
565 * doc/md.texi (vec_fmaddsub<mode>4): Document.
566 (vec_fmsubadd<mode>4): Likewise.
567 * optabs.def (vec_fmaddsub$a4): Add.
568 (vec_fmsubadd$a4): Likewise.
569 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
570 (IFN_VEC_FMSUBADD): Likewise.
571 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
572 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
573 (addsub_pattern::build): Likewise.
574 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
575 and CFN_VEC_FMSUBADD are not transparent for permutes.
576 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
577 (vec_fmsubadd<mode>4): Likewise.
579 2021-07-06 Richard Biener <rguenther@suse.de>
581 * doc/invoke.texi (fmove-loop-stores): Document.
582 * common.opt (fmove-loop-stores): New option.
583 * opts.c (default_options_table): Enable -fmove-loop-stores
585 * tree-ssa-loop-im.c (pass_lim::execute): Pass
586 flag_move_loop_stores instead of true to
587 loop_invariant_motion_in_fun.
589 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
591 * doc/install.texi: Document --with-dsymutil.
593 2021-07-06 Andrew Pinski <apinski@marvell.com>
595 PR tree-optimization/101256
596 * dbgcnt.def (phiopt_edge_range): New counter.
597 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
598 Check to make sure the new name is defined in the same
599 bb as the conditional before duplicating range info.
600 Also add debug counter.
602 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
604 PR rtl-optimization/100328
605 * config/i386/i386-options.c (ix86_option_override_internal):
606 Set param_ira_consider_dup_in_all_alts to 0.
608 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
610 PR rtl-optimization/100328
611 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
613 * ira.c (ira_get_dup_out_num): Adjust as parameter
614 param_ira_consider_dup_in_all_alts.
615 * params.opt (ira-consider-dup-in-all-alts): New.
616 * ira-conflicts.c (process_regs_for_copy): Add one parameter
617 single_input_op_has_cstr_p.
618 (get_freq_for_shuffle_copy): New function.
619 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
620 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
622 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
624 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
625 generate condition code aware RTL directly.
627 2021-07-05 Andrew Pinski <apinski@marvell.com>
629 PR tree-optimization/101039
630 * match.pd (A CMP 0 ? A : -A): New patterns.
631 * tree-ssa-phiopt.c (abs_replacement): Delete function.
632 (tree_ssa_phiopt_worker): Don't call abs_replacement.
633 Update comment about abs_replacement.
635 2021-07-05 Andrew Pinski <apinski@marvell.com>
637 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
638 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
640 2021-07-05 Andrew Pinski <apinski@marvell.com>
642 * tree-ssa-phiopt.c (match_simplify_replacement):
643 Add early_p argument. Call gimple_simplify_phiopt
644 instead of gimple_simplify.
645 (tree_ssa_phiopt_worker): Update call to
646 match_simplify_replacement and allow unconditionally.
647 (phiopt_early_allow): New function.
648 (gimple_simplify_phiopt): New function.
650 2021-07-05 Andrew Pinski <apinski@marvell.com>
653 * fold-const.c (negate_expr_p): Remove call to element_mode
654 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
655 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
656 (fold_negate_expr_1): Likewise.
657 (const_unop): Likewise.
658 (fold_cond_expr_with_comparison): Likewise.
659 (fold_binary_loc): Likewise.
660 (fold_ternary_loc): Likewise.
661 (tree_call_nonnegative_warnv_p): Likewise.
662 * match.pd (-(A + B) -> (-B) - A): Likewise.
664 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
666 * configure.ac: Handle --with-dsymutil in the same way as we
667 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
668 Extract the type and version for the dsymutil configured or
669 found by the default searches.
670 * config.in: Regenerated.
671 * configure: Regenerated.
672 * collect2.c (do_dsymutil): Handle locating dsymutil in the
673 same way as for the assembler and linker.
674 * config/darwin.h (DSYMUTIL): Delete.
675 * gcc.c: Report a configured dsymutil correctly.
676 * exec-tool.in: Allow for dsymutil.
678 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
680 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
681 Handle V4QI and V2HI modes.
682 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
683 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
684 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
685 Handle 4-byte dual operands with TARGET_XOP and single operands
686 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
687 mmx_pshufbv4qi3 for TARGET_SSSE3.
688 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
689 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
690 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
691 (expand_vec_perm_even_odd_1): Handle V4QI mode.
692 (expand_vec_perm_broadcast_1): Handle V4QI mode.
693 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
694 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
695 (mmx_pshufbv4qi3): Ditto.
696 (*mmx_pblendw32): Ditto.
697 (*mmx_pblendw64): Rename from *mmx_pblendw.
698 (mmx_punpckhbw_low): New insn_and_split pattern.
699 (mmx_punpcklbw_low): Ditto.
701 2021-07-05 Richard Biener <rguenther@suse.de>
703 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
704 set LOOP_C_INFINITE on the vectorized loop.
706 2021-07-05 Richard Biener <rguenther@suse.de>
709 * cfgloopmanip.c (loop_version): Set the loop copy of the
710 versioned loop to the new loop.
712 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
715 * config.gcc: Ensure that Darwin biarch definitions are
717 * config/i386/darwin.h (TARGET_64BIT): Remove.
718 (PR80556_WORKAROUND): New.
719 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
720 (DARWIN_SUBARCH_SPEC): New.
721 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
722 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
723 (REAL_LIBGCC_SPEC): Remove.
724 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
725 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
726 (REAL_LIBGCC_SPEC): Remove.
728 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
731 * expr.c (store_constructor): Don't use vec_duplicate on vector.
733 2021-07-02 Martin Sebor <msebor@redhat.com>
737 * diagnostic.c (get_any_inlining_info): New.
738 (update_effective_level_from_pragmas): Handle inlining context.
739 (diagnostic_enabled): Same.
740 (diagnostic_report_diagnostic): Same.
741 * diagnostic.h (struct diagnostic_info): Add ctor.
742 (struct diagnostic_context): Add new member.
743 * tree-diagnostic.c (set_inlining_locations): New.
744 (tree_diagnostics_defaults): Set new callback pointer.
746 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
748 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
750 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
751 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
752 lxvp and stxvp built-ins.
753 (mma_init_builtins): Handle lxvp and stxvp built-ins.
754 (builtin_function_type): Likewise.
755 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
757 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
759 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
760 additional argument for the code.
761 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
762 argument for the code. Just return if the ZN bits are useful or
763 not rather than the old style CC_* enums.
764 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
765 more generic shiftqi patterns.
766 (shifthi_noscratch, shiftsi_noscratch): Similarly.
767 (shiftqi_noscratch_set_flags): New pattern.
768 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
770 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
772 PR tree-optimization/101223
773 * range-op.cc (build_lt): Add -1 for signed values.
774 (built_gt): Subtract -1 for signed values.
776 2021-07-02 David Faust <david.faust@oracle.com>
778 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
779 (btf_asm_type): Likewise.
781 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
783 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
784 an array of rtx rather than a pointer to rtx. Add code argument.
785 (compute_a_shift_length): Similarly.
786 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
787 shift itself isn't an operand. Create dummy operand[0] to carry
788 a mode and pass a suitable rtx code to compute_a_shift_length.
789 (get_shift_alg): Adjust operand number of clobber in output templates.
790 (output_a_shift): Make first argument an array of rtx rather than
791 a pointer to rtx. Add code argument for the type of shift.
792 Adjust now that the shift itself is no longer an operand.
793 (compute_a_shift_length): Similarly.
794 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
795 iterator rather than nshift_operator.
796 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
797 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
798 and compute_a_shift_length.
799 (shiftqi_noscratch_clobber_flags): Likewise.
800 (shifthi_noscratch_clobber_flags): Likewise.
801 (shiftsi_noscratch_clobber_flags): Likewise.
803 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
806 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
807 dsymutil for BTF/CTF.
809 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
812 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
813 segment to include BTF.
814 (BTF_INFO_SECTION_NAME): New.
816 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
818 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
819 (small_data_operand, memreg_operand, small_insn_p): Likewise.
820 * config/m32r/m32r.c (call_operand): Adjust return type.
821 (small_data_operand, memreg_operand): Likewise.
823 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
825 * config/frv/frv-protos.h (integer_register_operand): Adjust return
827 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
828 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
829 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
830 (move_source_operand, move_destination_operand): Likewise.
831 (condexec_source_operand, condexec_dest_operand): Likewise.
832 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
833 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
834 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
835 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
836 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
837 (even_fpr_operand, odd_fpr_operand): Likewise.
838 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
839 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
840 (uint4_operand, uint1_operand, int_2word_operand): Likewise
841 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
842 (relational_operator, float_relational_operator): Likewise.
843 (ccr_eqne_operator, minmax_operator): Likewise.
844 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
845 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
846 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
847 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
848 (quad_acc_operand, accg_operand): Likewise.
850 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
852 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
853 return type to a bool.
854 (nonimmediate_nonstack_operand): Likewise.
855 (xstormy16_splittable_below100_operand): Likewise.
856 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
858 (xstormy16_splittable_below100_operand): Likewise.
860 2021-07-02 Richard Biener <rguenther@suse.de>
862 PR tree-optimization/101293
863 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
864 with combined offsets.
865 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
866 combined with the rest of the offset.
868 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
870 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
871 PIC encodings for PE-COFF targets.
873 2021-07-02 Jakub Jelinek <jakub@redhat.com>
876 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
877 Return nullptr for TImode inner mode.
879 2021-07-02 Richard Biener <rguenther@suse.de>
881 PR tree-optimization/101280
882 PR tree-optimization/101173
883 * gimple-loop-interchange.cc
884 (tree_loop_interchange::valid_data_dependences): Properly
885 guard all dependence checks with DDR_REVERSED_P or its
888 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
890 * config/i386/i386-expand.c (ix86_expand_builtin):
891 Add branch to clear odata when ZF is set for asedecenc_expand
892 and wideaesdecenc_expand.
894 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
896 * config/i386/gcc-auto-profile: regenerate
898 2021-07-02 liuhongt <hongtao.liu@intel.com>
900 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
901 (trunc<mode><pmov_dst_4_lower>2): this.
903 2021-07-01 David Malcolm <dmalcolm@redhat.com>
905 * diagnostic.h (diagnostic_context::m_file_cache): New field.
906 * input.c (class fcache): Rename to...
907 (class file_cache_slot): ...this, making most members private and
908 prefixing fields with "m_".
909 (file_cache_slot::get_file_path): New accessor.
910 (file_cache_slot::get_use_count): New accessor.
911 (file_cache_slot::missing_trailing_newline_p): New accessor.
912 (file_cache_slot::inc_use_count): New.
913 (fcache_buffer_size): Move to...
914 (file_cache_slot::buffer_size): ...here.
915 (fcache_line_record_size): Move to...
916 (file_cache_slot::line_record_size): ...here.
917 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
918 (fcache_tab_size): Move to file_cache::num_file_slots.
919 (diagnostic_file_cache_init): Update for move of fcache_tab
920 to global_dc->m_file_cache.
921 (diagnostic_file_cache_fini): Likewise.
922 (lookup_file_in_cache_tab): Convert to...
923 (file_cache::lookup_file): ...this.
924 (diagnostics_file_cache_forcibly_evict_file): Update for move of
925 fcache_tab to global_dc->m_file_cache, moving most of
927 (file_cache::forcibly_evict_file): ...this new function and...
928 (file_cache_slot::evict): ...this new function.
929 (evicted_cache_tab_entry): Convert to...
930 (file_cache::evicted_cache_tab_entry): ...this.
931 (add_file_to_cache_tab): Convert to...
932 (file_cache::add_file): ...this, moving bulk of implementation
934 (file_cache_slot::create): ..this new function.
935 (file_cache::file_cache): New.
936 (file_cache::~file_cache): New.
937 (lookup_or_add_file_to_cache_tab): Convert to...
938 (file_cache::lookup_or_add_file): ..this new function.
939 (fcache::fcache): Rename to...
940 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
942 (fcache::~fcache): Rename to...
943 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
945 (needs_read): Convert to...
946 (file_cache_slot::needs_read_p): ...this.
947 (needs_grow): Convert to...
948 (file_cache_slot::needs_grow_p): ...this.
949 (maybe_grow): Convert to...
950 (file_cache_slot::maybe_grow): ...this.
951 (read_data): Convert to...
952 (file_cache_slot::read_data): ...this.
953 (maybe_read_data): Convert to...
954 (file_cache_slot::maybe_read_data): ...this.
955 (get_next_line): Convert to...
956 (file_cache_slot::get_next_line): ...this.
957 (goto_next_line): Convert to...
958 (file_cache_slot::goto_next_line): ...this.
959 (read_line_num): Convert to...
960 (file_cache_slot::read_line_num): ...this.
961 (location_get_source_line): Update for moving of globals to
962 global_dc->m_file_cache.
963 (location_missing_trailing_newline): Likewise.
964 * input.h (class file_cache_slot): New forward decl.
965 (class file_cache): New.
967 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
969 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
970 128-bit floating point conditional move support.
971 (have_compare_and_set_mask): Add IEEE 128-bit floating point
973 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
974 (mov<mode>cc_p10, IEEE128 iterator): New insn.
975 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
976 (fpmask<mode>, IEEE128 iterator): New insn.
977 (xxsel<mode>, IEEE128 iterator): New insn.
979 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
982 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
984 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
986 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
988 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
990 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
991 (vec_duplicate<mode>): New expander.
993 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
996 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
998 (ix86_byte_broadcast): New function.
999 (ix86_convert_const_wide_int_to_broadcast): Likewise.
1000 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
1001 size is 16 bytes or bigger.
1002 (ix86_broadcast_from_integer_constant): New function.
1003 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
1004 to broadcast if mode size is 16 bytes or bigger.
1005 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
1007 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
1009 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1011 * config/i386/predicates.md (ix86_endbr_immediate_operand):
1012 Return true/false instead of 1/0.
1013 (movq_parallel): Ditto.
1015 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1017 * recog.c (general_operand): Return true/false instead of 1/0.
1018 (register_operand): Ditto.
1019 (immediate_operand): Ditto.
1020 (const_int_operand): Ditto.
1021 (const_scalar_int_operand): Ditto.
1022 (const_double_operand): Ditto.
1023 (push_operand): Ditto.
1024 (pop_operand): Ditto.
1025 (memory_operand): Ditto.
1026 (indirect_operand): Ditto.
1028 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1030 * genpreds.c (write_predicate_subfunction):
1031 Change the type of written subfunction to bool.
1032 (write_one_predicate_function):
1033 Change the type of written function to bool.
1034 (write_tm_preds_h): Ditto.
1035 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
1036 * recog.c (general_operand): Change the type to bool.
1037 (address_operand): Ditto.
1038 (register_operand): Ditto.
1039 (pmode_register_operand): Ditto.
1040 (scratch_operand): Ditto.
1041 (immediate_operand): Ditto.
1042 (const_int_operand): Ditto.
1043 (const_scalar_int_operand): Ditto.
1044 (const_double_operand): Ditto.
1045 (nonimmediate_operand): Ditto.
1046 (nonmemory_operand): Ditto.
1047 (push_operand): Ditto.
1048 (pop_operand): Ditto.
1049 (memory_operand): Ditto.
1050 (indirect_operand): Ditto.
1051 (ordered_comparison_operator): Ditto.
1052 (comparison_operator): Ditto.
1053 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
1054 Change the type of indirect predicate function to bool.
1055 * config/rs6000/rs6000.c (easy_vector_constant):
1056 Change the type to bool.
1057 * config/mips/mips-protos.h (m16_based_address_p):
1058 Change the type of operand 3 to bool.
1060 2021-07-01 Richard Biener <rguenther@suse.de>
1062 PR tree-optimization/101280
1063 PR tree-optimization/101173
1064 * gimple-loop-interchange.cc
1065 (tree_loop_interchange::valid_data_dependences): Revert
1066 previous change and instead correctly handle DDR_REVERSED_P
1069 2021-07-01 Richard Biener <rguenther@suse.de>
1071 PR tree-optimization/101278
1072 * tree-ssa-dse.c (dse_classify_store): First check for
1073 uses, then ignore stmt for chaining purposes.
1075 2021-07-01 Richard Biener <rguenther@suse.de>
1077 PR tree-optimization/100778
1078 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
1079 vectorized ops ahead of their scalar BB.
1081 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
1084 * config/i386/i386.md (*nabs<dwi>2_doubleword):
1085 New insn_and_split pattern.
1086 (*nabs<dwi>2_1): Ditto.
1087 * config/i386/i386-features.c
1088 (general_scalar_chain::compute_convert_gain):
1089 Handle (NEG (ABS (...))) RTX. Rewrite src code
1090 scanner as switch statement.
1091 (general_scalar_chain::convert_insn):
1092 Handle (NEG (ABS (...))) RTX.
1093 (general_scalar_to_vector_candidate_p):
1094 Detect (NEG (ABS (...))) RTX. Reorder case statements
1095 for (AND (NOT (...) ...)) fallthrough.
1097 2021-07-01 Richard Biener <rguenther@suse.de>
1099 PR tree-optimization/101178
1100 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
1101 (slpg::perm_in): Add.
1102 (slpg::get_perm_in): Remove.
1103 (slpg::get_perm_materialized): Add.
1104 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
1105 during permute propagation and materialization.
1107 2021-07-01 Jakub Jelinek <jakub@redhat.com>
1110 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
1112 2021-07-01 Jakub Jelinek <jakub@redhat.com>
1115 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
1116 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
1117 use boolean_type_node instead of integer_type_node as NE_EXPR type.
1118 (lower_reduction_clauses): Likewise.
1120 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1122 * config/gcn/gcn.c: Include dwarf2.h.
1123 (gcn_addr_space_debug): New function.
1124 (TARGET_ADDR_SPACE_DEBUG): New hook.
1126 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1128 * common/config/gcn/gcn-common.c
1129 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
1130 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
1132 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
1133 (gcn_frame_pointer_rqd): New function.
1134 (TARGET_FRAME_POINTER_REQUIRED): New hook.
1136 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
1138 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
1139 prologue register saves.
1140 (gcn_debug_unwind_info): Use UI_DWARF2.
1141 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
1142 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
1143 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
1144 (DWARF_LINK_REGISTER): New define.
1145 (FIRST_PSEUDO_REGISTER): Increment.
1146 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
1147 (CALL_USED_REGISTERS): Likewise.
1148 (REGISTER_NAMES): Likewise.
1150 2021-06-30 Richard Biener <rguenther@suse.de>
1152 PR tree-optimization/101267
1153 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
1154 API and use SLP compatible interface of vect_is_simple_use.
1155 Reject not vectorized SLP defs for callers that do not support
1157 (vect_check_store_rhs): Handle masked stores and pass down
1158 the appropriate operator index.
1159 (vectorizable_call): Adjust.
1160 (vectorizable_store): Likewise.
1161 (vectorizable_load): Likewise. Handle SLP pecularity of
1163 (vect_is_simple_use): Remove special-casing of masked stores.
1165 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
1167 * common.opt (foffload): Remove help as Driver only.
1168 * gcc.c (display_help): Add -foffload.
1170 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
1172 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
1173 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
1174 a candidate list; better inform no offload target is configured
1175 and fix hint extraction when passed target is not '\0' at [len].
1176 * common.opt (foffload): Add tailing '.'.
1177 (foffload-options): Likewise; fix flag name in the help string.
1179 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
1182 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
1183 (vcage_f32): Gate comparison on __FAST_MATH__.
1184 (vcageq_f32): Likewise.
1185 (vcale_f32): Likewise.
1186 (vcaleq_f32): Likewise.
1187 (vcagt_f32): Likewise.
1188 (vcagtq_f32): Likewise.
1189 (vcalt_f32): Likewise.
1190 (vcaltq_f32): Likewise.
1191 (vcage_f16): Likewise.
1192 (vcageq_f16): Likewise.
1193 (vcale_f16): Likewise.
1194 (vcaleq_f16): Likewise.
1195 (vcagt_f16): Likewise.
1196 (vcagtq_f16): Likewise.
1197 (vcalt_f16): Likewise.
1198 (vcaltq_f16): Likewise.
1200 2021-06-30 Richard Biener <rguenther@suse.de>
1202 PR tree-optimization/101264
1203 * tree-vect-slp.c (vect_optimize_slp): Propagate the
1204 computed perm_in to all "any" permute successors
1205 we cannot de-duplicate immediately.
1207 2021-06-30 liuhongt <hongtao.liu@intel.com>
1210 * config/i386/sse.md
1211 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
1213 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
1215 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
1216 * config/i386/subst.md (maskz_scalar): New define_subst.
1217 (maskz_scalar_name): New subst_attr.
1218 (maskz_scalar_op5): Ditto.
1219 (round_saeonly_maskz_scalar_op5): Ditto.
1220 (round_saeonly_maskz_scalar_operand5): Ditto.
1222 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
1224 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
1225 Increase code CSECT alignment to at least 32 bytes.
1226 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
1227 alignment designation.
1229 2021-06-29 Sergei Trofimovich <siarheit@google.com>
1231 * doc/generic.texi: Fix s/net yet/not yet/ typo.
1233 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1235 PR tree-optimization/101254
1236 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
1237 wrapping/non-wrapping when setting the result range.
1239 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1241 * value-query.cc (gimple_range_global): Allow phis.
1243 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
1245 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
1246 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
1247 statement for location context.
1248 (check_for_binary_op_overflow): Ditto.
1249 (simplify_using_ranges::get_vr_for_comparison): Ditto.
1250 (simplify_using_ranges::compare_name_with_value): Ditto.
1251 (simplify_using_ranges::compare_names): Ditto.
1252 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
1253 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
1254 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
1255 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
1256 (simplify_using_ranges::two_valued_val_range_p): Ditto.
1257 (simplify_using_ranges::simplify): Ditto.
1258 * vr-values.h: Adjust prototypes.
1260 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
1263 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
1265 2021-06-29 Julian Brown <julian@codesourcery.com>
1267 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
1268 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
1269 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
1271 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
1272 (MAX_FIXED_MODE_SIZE): Change to 128.
1274 2021-06-29 Julian Brown <julian@codesourcery.com>
1276 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
1277 (s_mnemonic): Add clrsb.
1278 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
1279 (clrsb<mode>2): Add expander for SImode/DImode.
1281 2021-06-29 Julian Brown <julian@codesourcery.com>
1283 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
1284 muldi3): Add patterns.
1286 2021-06-29 Julian Brown <julian@codesourcery.com>
1288 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
1289 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
1291 2021-06-29 Julian Brown <julian@codesourcery.com>
1293 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
1295 2021-06-29 Joseph Myers <joseph@codesourcery.com>
1297 * btfout.c, ctfout.c: Include "memmodel.h".
1299 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1301 * gcc.c (check_offload_target_name): Cast len argument to
1302 %q.*s to 'int'; avoid -Wstringop-truncation warning.
1304 2021-06-29 Richard Biener <rguenther@suse.de>
1306 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
1307 to "any" permute nodes and relax "any" permute proapgation
1308 during iterative backward propagation.
1310 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1313 * common.opt (-foffload=): Update description.
1314 (-foffload-options=): New.
1315 * doc/invoke.texi (C Language Options): Document
1316 -foffload and -foffload-options.
1317 * gcc.c (check_offload_target_name): New, split off from
1318 handle_foffload_option.
1319 (check_foffload_target_names): New.
1320 (handle_foffload_option): Handle -foffload=default.
1321 (driver_handle_option): Update for -foffload-options.
1322 * lto-opts.c (lto_write_options): Use -foffload-options
1323 instead of -foffload.
1324 * lto-wrapper.c (merge_and_complain, append_offload_options):
1326 * opts.c (common_handle_option): Likewise.
1328 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
1330 * doc/invoke.texi (C Language Options): Sort options
1331 alphabetically in optlist and also the description itself.
1332 Remove leftover -fallow-single-precision from and add missing
1333 -fgnu-tm to the optlist.
1335 2021-06-29 Richard Biener <rguenther@suse.de>
1337 * tree-vect-slp.c (slpg_vertex::visited): Remove.
1338 (vect_slp_perms_eq): Handle -1 permutes.
1339 (vect_optimize_slp): Rewrite permute propagation.
1341 2021-06-29 Jakub Jelinek <jakub@redhat.com>
1344 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
1345 perform the optimization in GENERIC when sanitizing and x has a
1348 2021-06-29 Richard Biener <rguenther@suse.de>
1350 PR tree-optimization/101242
1351 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
1352 PHIs with not represented initial values as leafs.
1354 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
1356 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
1357 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
1359 (pdp11_initial_elimination_offset) Remove unused variable.
1360 (pdp11_cmp_length) Ditto.
1361 (pdp11_insn_cost): Ditto, and fix signedness warning.
1363 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
1365 * btfout.c: Include tm_p.h.
1368 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1370 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
1372 (bpf_expand_epilogue): Likewise.
1373 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
1374 Do not define DBX_DEBUGGING_INFO.
1376 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1378 * doc/invoke.texi: Document the CTF and BTF debug info options.
1380 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
1381 David Faust <david.faust@oracle.com>
1382 Jose E. Marchesi <jose.marchesi@oracle.com>
1383 Weimin Pan <weimin.pan@oracle.com>
1385 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
1386 GTFILES. Add new object files.
1387 * common.opt: Add CTF and BTF debug info options.
1388 * btfout.c: New file.
1391 * ctfout.c: Likewise.
1392 * dwarf2ctf.c: Likewise.
1393 * dwarf2ctf.h: Likewise.
1394 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
1396 * dwarf2out.c (dwarf2out_source_line): Likewise.
1397 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
1399 (debug_format_do_cu): New function.
1400 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
1402 Include dwarf2ctf.c.
1403 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
1405 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
1406 (CTF_DEBUG): New bitmask.
1407 (BTF_DEBUG): Likewise.
1408 (enum ctf_debug_info_levels): New enum.
1409 * gengtype.c (open_base_files): Handle ctfc.h.
1410 (main): Handle uint32_t type.
1411 * flags.h (btf_debuginfo_p): New definition.
1412 (dwarf_based_debuginfo_p): Likewise.
1413 * opts.c (debug_type_names): Add entries for CTF and BTF.
1414 (btf_debuginfo_p): New function.
1415 (dwarf_based_debuginfo_p): Likewise.
1416 (common_handle_option): Handle -gctfN and -gbtf options.
1417 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
1418 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
1421 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
1423 * dwarf2out.c (AT_class): Function is no longer static.
1425 (AT_unsigned): Likewise.
1428 (get_AT_string): Likewise.
1429 (get_AT_flag): Likewise.
1430 (get_AT_unsigned): Likewise.
1431 (get_AT_ref): Likewise.
1432 (new_die_raw): Likewise.
1433 (lookup_decl_die): Likewise.
1434 (base_type_die): Likewise.
1435 (add_name_attribute): Likewise.
1436 (add_AT_int): Likewise.
1437 (add_AT_unsigned): Likewise.
1438 (add_AT_loc): Likewise.
1439 (dw_get_die_tag): New function.
1440 (dw_get_die_child): Likewise.
1441 (dw_get_die_sib): Likewise.
1442 (struct dwarf_file_data): Move from here to dwarf2out.h
1443 (struct dw_attr_struct): Likewise.
1444 * dwarf2out.h: Analogous changes.
1446 2021-06-28 Martin Jambor <mjambor@suse.cz>
1449 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
1450 members m_dead_stmts and m_dead_ssas.
1451 * ipa-param-manipulation.c
1452 (ipa_param_body_adjustments::mark_dead_statements): New function.
1453 (ipa_param_body_adjustments::common_initialization): Call it on
1454 all removed but not split parameters.
1455 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
1457 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
1459 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
1460 dead debug statements.
1461 (copy_phis_for_bb): Do not copy dead PHI nodes.
1463 2021-06-28 Martin Jambor <mjambor@suse.cz>
1466 * symtab-clones.h (clone_info): Removed member param_adjustments.
1467 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
1468 deal with pass-through splits now.
1469 (ipa_param_performed_split): Removed.
1470 (ipa_param_adjustments::modify_call): Adjusted parameters.
1471 (class ipa_param_body_adjustments): Adjusted parameters of
1472 register_replacement, modify_gimple_stmt and modify_call_stmt.
1473 (ipa_verify_edge_has_no_modifications): Declare.
1474 (ipa_edge_modifications_finalize): Declare.
1475 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
1476 performed_splits processing, pas only edge to padjs->modify_call,
1477 check that call arguments were not modified if they should not have
1479 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
1481 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
1482 (ipa_edge_modification_info): Likewise.
1483 (ipa_edge_modification_sum): Likewise.
1484 (ipa_edge_modifications): New edge summary.
1485 (ipa_verify_edge_has_no_modifications): New function.
1486 (transitive_split_p): Removed.
1487 (transitive_split_map): Likewise.
1488 (init_transitive_splits): Likewise.
1489 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
1490 summary instead of performed_splits.
1491 (ipa_param_body_adjustments::register_replacement): Drop dummy
1492 parameter, set base_index of the created ipa_param_body_replacement.
1493 (phi_arg_will_live_p): New function.
1494 (ipa_param_body_adjustments::common_initialization): Do not create
1495 IPA_SRA dummy decls.
1496 (simple_tree_swap_info): Removed.
1497 (remap_split_decl_to_dummy): Likewise.
1498 (record_argument_state_1): New function.
1499 (record_argument_state): Likewise.
1500 (ipa_param_body_adjustments::modify_call_stmt): New parameter
1501 orig_stmt. Do not work with dummy decls, save necessary info about
1502 changes to ipa_edge_modifications.
1503 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
1504 orig_stmt, pass it to modify_call_stmt.
1505 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
1507 (ipa_edge_modifications_finalize): New function.
1508 * tree-inline.c (remap_gimple_stmt): Pass original statement to
1510 (copy_phis_for_bb): Do not copy dead PHI nodes.
1511 (expand_call_inline): Do not remap performed_splits.
1512 (update_clone_info): Likewise.
1513 * toplev.c: Include ipa-param-manipulation.h.
1514 (toplev::finalize): Call ipa_edge_modifications_finalize.
1516 2021-06-28 Andrew Pinski <apinski@marvell.com>
1518 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
1519 info if we're the only things setting the target PHI.
1520 (value_replacement): Don't duplicate range here.
1521 (minmax_replacement): Likewise.
1523 2021-06-28 Richard Biener <rguenther@suse.de>
1525 PR tree-optimization/101229
1526 * gimple-walk.c (gimple_walk_op): Handle PHIs.
1528 2021-06-28 Martin Liska <mliska@suse.cz>
1530 * config/v850/v850.c (construct_dispose_instruction): Allocate
1532 (construct_prepare_instruction): Likewise.
1534 2021-06-28 Martin Liska <mliska@suse.cz>
1536 * config/v850/v850.c (v850_option_override): Build default
1538 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
1539 ignored for inlining.
1540 (TARGET_CAN_INLINE_P): New.
1542 2021-06-28 Richard Biener <rguenther@suse.de>
1544 PR tree-optimization/101207
1545 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
1546 permute eliding for load permutations properly.
1548 2021-06-28 Richard Biener <rguenther@suse.de>
1550 PR tree-optimization/101173
1551 * gimple-loop-interchange.cc
1552 (tree_loop_interchange::valid_data_dependences): Disallow outer
1553 loop dependence distance of zero.
1555 2021-06-28 liuhongt <hongtao.liu@intel.com>
1558 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
1559 define_insn_and_split.
1560 (*avx_cmp<mode>3_ltint): Ditto.
1561 (*avx2_pcmp<mode>3_3): Ditto.
1562 (*avx2_pcmp<mode>3_4): Ditto.
1563 (*avx2_pcmp<mode>3_5): Ditto.
1565 2021-06-28 liuhongt <hongtao.liu@intel.com>
1567 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
1568 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
1569 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
1570 IX86_BUILTIN_PBLENDVB128): Replace icode with
1572 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
1574 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
1575 New pre_reload splitter.
1577 2021-06-27 Andrew Pinski <apinski@marvell.com>
1579 PR middle-end/101230
1580 * fold-const.c (fold_ternary_loc): Check
1581 the return value of invert_tree_comparison.
1583 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
1585 * config.gcc: Add SPDX License Identifier.
1586 (powerpc-ibm-aix789): Default to aix73.h.
1587 (powerpc-ibm-aix7.2.*.*): New stanza.
1588 * config/rs6000/aix72.h: Add SPDX License Identifier.
1589 * config/rs6000/aix73.h: New file.
1591 2021-06-26 Jason Merrill <jason@redhat.com>
1593 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
1595 2021-06-26 Andrew Pinski <apinski@marvell.com>
1597 * genmatch.c (lower_cond): Copy for_subst_vec
1598 for the simplify also.
1599 (lower): Swap the order for lower_for and lower_cond.
1601 2021-06-26 Andrew Pinski <apinski@marvell.com>
1603 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
1604 flow senatitive info on the moved ssa set.
1606 2021-06-26 Andrew Pinski <apinski@marvell.com>
1608 * fold-const.c (fold_cond_expr_with_comparison):
1609 Exand arg0 into comp_code, arg00, and arg01.
1610 (fold_ternary_loc): Use invert_tree_comparison
1611 instead of fold_invert_truthvalue for the case
1612 where we have A CMP B ? C : A.
1614 2021-06-25 Martin Sebor <msebor@redhat.com>
1616 PR middle-end/101216
1617 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
1619 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
1621 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
1623 2021-06-25 Richard Biener <rguenther@suse.de>
1625 PR tree-optimization/101202
1626 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
1629 2021-06-25 Richard Biener <rguenther@suse.de>
1631 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
1632 STMT_VINFO_REDUC_DEF from the original representative.
1634 2021-06-25 Martin Sebor <msebor@redhat.com>
1636 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
1637 gimple_no_warning_p and gimple_set_no_warning with
1638 warning_suppressed_p, and suppress_warning.
1640 (maybe_warn_for_bound): Same.
1641 (warn_for_access): Same.
1642 (check_access): Same.
1643 (expand_builtin_strncmp): Same.
1644 (fold_builtin_varargs): Same.
1645 * calls.c (maybe_warn_nonstring_arg): Same.
1646 (maybe_warn_rdwr_sizes): Same.
1647 * cfgexpand.c (expand_call_stmt): Same.
1648 * cgraphunit.c (check_global_declaration): Same.
1649 * fold-const.c (fold_undefer_overflow_warnings): Same.
1650 (fold_truth_not_expr): Same.
1651 (fold_unary_loc): Same.
1652 (fold_checksum_tree): Same.
1653 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
1654 (array_bounds_checker::check_mem_ref): Same.
1655 (array_bounds_checker::check_addr_expr): Same.
1656 (array_bounds_checker::check_array_bounds): Same.
1657 * gimple-expr.c (copy_var_decl): Same.
1658 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
1659 (gimple_fold_builtin_strncat): Same.
1660 (gimple_fold_builtin_stxcpy_chk): Same.
1661 (gimple_fold_builtin_stpcpy): Same.
1662 (gimple_fold_builtin_sprintf): Same.
1663 (fold_stmt_1): Same.
1664 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
1665 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
1666 * gimple-ssa-sprintf.c (handle_printf_call): Same.
1667 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
1668 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
1669 * gimple-ssa-warn-restrict.h: Adjust declarations.
1670 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
1671 gimple_no_warning_p and gimple_set_no_warning with
1672 warning_suppressed_p, and suppress_warning.
1674 (check_bounds_or_overlap): Same.
1675 * gimple.c (gimple_build_call_from_tree): Same.
1676 * gimplify.c (gimplify_return_expr): Same.
1677 (gimplify_cond_expr): Same.
1678 (gimplify_modify_expr_complex_part): Same.
1679 (gimplify_modify_expr): Same.
1680 (gimple_push_cleanup): Same.
1681 (gimplify_expr): Same.
1682 * omp-expand.c (expand_omp_for_generic): Same.
1683 (expand_omp_taskloop_for_outer): Same.
1684 * omp-low.c (lower_rec_input_clauses): Same.
1685 (lower_lastprivate_clauses): Same.
1686 (lower_send_clauses): Same.
1687 (lower_omp_target): Same.
1688 * tree-cfg.c (pass_warn_function_return::execute): Same.
1689 * tree-complex.c (create_one_component_var): Same.
1690 * tree-inline.c (remap_gimple_op_r): Same.
1691 (copy_tree_body_r): Same.
1692 (declare_return_variable): Same.
1693 (expand_call_inline): Same.
1694 * tree-nested.c (lookup_field_for_decl): Same.
1695 * tree-sra.c (create_access_replacement): Same.
1696 (generate_subtree_copies): Same.
1697 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
1698 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
1699 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
1700 * tree-ssa-loop-im.c (execute_sm): Same.
1701 * tree-ssa-phiopt.c (cond_store_replacement): Same.
1702 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
1703 (handle_builtin_strcpy): Same.
1704 (maybe_diag_stxncpy_trunc): Same.
1705 (handle_builtin_stxncpy_strncat): Same.
1706 (handle_builtin_strcat): Same.
1707 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
1708 (set_no_uninit_warning): Same.
1709 (uninit_undefined_value_p): Same.
1710 (warn_uninit): Same.
1711 (maybe_warn_operand): Same.
1712 * tree-vrp.c (compare_values_warnv): Same.
1713 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
1714 (test_for_singularity): Same.
1715 * gimple.h (warning_suppressed_p): New function.
1716 (suppress_warning): Same.
1717 (copy_no_warning): Same.
1718 (gimple_set_block): Call gimple_set_location.
1719 (gimple_set_location): Call copy_warning.
1721 2021-06-25 Martin Sebor <msebor@redhat.com>
1723 * tree.h (warning_suppressed_at, copy_warning,
1724 warning_suppressed_p, suppress_warning): New functions.
1726 2021-06-25 Martin Sebor <msebor@redhat.com>
1728 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
1729 * gengtype.c (open_base_files): Add diagnostic-spec.h.
1730 * diagnostic-spec.c: New file.
1731 * diagnostic-spec.h: New file.
1732 * tree.h (no_warning, all_warnings, suppress_warning_at): New
1734 * warning-control.cc: New file.
1736 2021-06-25 liuhongt <hongtao.liu@intel.com>
1739 * config/i386/i386.c (x86_order_regs_for_local_alloc):
1742 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
1744 PR tree-optimization/101189
1745 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
1746 LHS range of condition to postfold routine.
1747 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
1748 FALSE edge if the LHS range supports it being taken.
1749 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
1751 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
1753 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
1754 (relation_oracle::find_relation_block): Check correct bitmap.
1755 (relation_oracle::dump): Do not dump NULL blocks.
1757 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
1759 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
1760 range_on_edge instead of manually calculating.
1762 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
1764 * range-op.cc: Fix comment.
1766 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
1769 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
1770 Handle V8QI and V4HI modes.
1771 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
1773 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
1774 (mmxpackmode): New mode attribute.
1775 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
1776 (mmxunpackmode): New mode attribute.
1777 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
1778 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
1779 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
1780 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
1781 * config/i386/i386.md (extsuffix): Move from ...
1782 * config/i386/sse.md: ... here.
1784 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
1786 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
1787 (dwarf2out_finish): ...instead of here.
1789 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
1791 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
1792 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
1793 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
1794 * configure: Regenerate.
1796 2021-06-24 Richard Biener <rguenther@suse.de>
1798 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
1799 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
1800 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
1802 2021-06-24 Richard Biener <rguenther@suse.de>
1804 * config/i386/sse.md (avx_addsubv4df3): Rename to
1806 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
1807 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
1808 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
1809 * config/i386/i386-builtin.def: Adjust.
1810 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
1811 * optabs.def (vec_addsub_optab): New optab.
1812 * tree-vect-slp-patterns.c (class addsub_pattern): New.
1813 (slp_patterns): Add addsub_pattern.
1814 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
1815 across CFN_VEC_ADDSUB.
1816 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
1818 * doc/md.texi (vec_addsub<mode>3): Document.
1820 2021-06-24 Jakub Jelinek <jakub@redhat.com>
1822 PR middle-end/101170
1823 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
1824 where regno + subreg_regno_offset wraps around use 0 as starting
1827 2021-06-24 Jakub Jelinek <jakub@redhat.com>
1829 PR middle-end/101172
1830 * stor-layout.c (finish_bitfield_representative): If nextf has
1831 error_mark_node type, set repr type to error_mark_node too.
1833 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
1835 * config/s390/s390.c (s390_function_profiler): Ignore labelno
1837 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
1839 2021-06-24 Richard Biener <rguenther@suse.de>
1841 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
1842 across operations that have different semantics on different
1845 2021-06-24 Jakub Jelinek <jakub@redhat.com>
1847 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
1848 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
1849 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
1850 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
1851 OMP_TARGET user outer_ctx instead of ctx for placeholders and
1852 initializer/combiner gimplification.
1853 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
1854 on target constructs.
1855 (lower_rec_input_clauses): Likewise.
1856 (lower_omp_target): Likewise.
1857 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
1858 on target if in_reduction is present.
1860 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
1862 * tree-predcom.c (class pcom_worker): New class.
1863 (release_chain): Renamed to...
1864 (pcom_worker::release_chain): ...this.
1865 (release_chains): Renamed to...
1866 (pcom_worker::release_chains): ...this.
1867 (aff_combination_dr_offset): Renamed to...
1868 (pcom_worker::aff_combination_dr_offset): ...this.
1869 (determine_offset): Renamed to...
1870 (pcom_worker::determine_offset): ...this.
1871 (class comp_ptrs): New class.
1872 (split_data_refs_to_components): Renamed to...
1873 (pcom_worker::split_data_refs_to_components): ...this,
1874 and update with class comp_ptrs.
1875 (suitable_component_p): Renamed to...
1876 (pcom_worker::suitable_component_p): ...this.
1877 (filter_suitable_components): Renamed to...
1878 (pcom_worker::filter_suitable_components): ...this.
1879 (valid_initializer_p): Renamed to...
1880 (pcom_worker::valid_initializer_p): ...this.
1881 (find_looparound_phi): Renamed to...
1882 (pcom_worker::find_looparound_phi): ...this.
1883 (add_looparound_copies): Renamed to...
1884 (pcom_worker::add_looparound_copies): ...this.
1885 (determine_roots_comp): Renamed to...
1886 (pcom_worker::determine_roots_comp): ...this.
1887 (determine_roots): Renamed to...
1888 (pcom_worker::determine_roots): ...this.
1889 (single_nonlooparound_use): Renamed to...
1890 (pcom_worker::single_nonlooparound_use): ...this.
1891 (remove_stmt): Renamed to...
1892 (pcom_worker::remove_stmt): ...this.
1893 (execute_pred_commoning_chain): Renamed to...
1894 (pcom_worker::execute_pred_commoning_chain): ...this.
1895 (execute_pred_commoning): Renamed to...
1896 (pcom_worker::execute_pred_commoning): ...this.
1897 (struct epcc_data): New member worker.
1898 (execute_pred_commoning_cbck): Call execute_pred_commoning
1899 with pcom_worker pointer.
1900 (find_use_stmt): Renamed to...
1901 (pcom_worker::find_use_stmt): ...this.
1902 (find_associative_operation_root): Renamed to...
1903 (pcom_worker::find_associative_operation_root): ...this.
1904 (find_common_use_stmt): Renamed to...
1905 (pcom_worker::find_common_use_stmt): ...this.
1906 (combinable_refs_p): Renamed to...
1907 (pcom_worker::combinable_refs_p): ...this.
1908 (reassociate_to_the_same_stmt): Renamed to...
1909 (pcom_worker::reassociate_to_the_same_stmt): ...this.
1910 (stmt_combining_refs): Renamed to...
1911 (pcom_worker::stmt_combining_refs): ...this.
1912 (combine_chains): Renamed to...
1913 (pcom_worker::combine_chains): ...this.
1914 (try_combine_chains): Renamed to...
1915 (pcom_worker::try_combine_chains): ...this.
1916 (prepare_initializers_chain): Renamed to...
1917 (pcom_worker::prepare_initializers_chain): ...this.
1918 (prepare_initializers): Renamed to...
1919 (pcom_worker::prepare_initializers): ...this.
1920 (prepare_finalizers_chain): Renamed to...
1921 (pcom_worker::prepare_finalizers_chain): ...this.
1922 (prepare_finalizers): Renamed to...
1923 (pcom_worker::prepare_finalizers): ...this.
1924 (tree_predictive_commoning_loop): Renamed to...
1925 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
1926 some calls and remove some cleanup code.
1927 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
1928 (static variable looparound_phis): Remove.
1929 (static variable name_expansions): Remove.
1931 2021-06-24 Richard Biener <rguenther@suse.de>
1933 * tree-vect-slp.c (slpg_vertex): New struct.
1934 (vect_slp_build_vertices): Adjust.
1935 (vect_optimize_slp): Likewise. Maintain an outgoing permute
1936 and a materialized one.
1938 2021-06-24 Richard Biener <rguenther@suse.de>
1940 PR tree-optimization/101105
1941 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1942 Only ignore steps when they are equal or scalar order is preserved.
1944 2021-06-24 liuhongt <hongtao.liu@intel.com>
1947 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
1948 Adjust comments for ix86_expand_vecop_qihi2.
1949 (ix86_expand_vecmul_qihi): Renamed to ..
1950 (ix86_expand_vecop_qihi2): Adjust function prototype to
1951 support shift operation, add static to definition.
1952 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
1953 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
1954 ix86_expand_vec_shift_qihi_constant.
1955 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
1956 (ix86_expand_vec_shift_qihi_constant): Deleted.
1957 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
1959 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
1960 condition TARGET_64BIT.
1961 (mul<mode>3): Ditto.
1962 (<insn><mode>3): Ditto.
1963 (vlshr<mode>3): Extend to support avx512 vlshr.
1964 (v<insn><mode>3): New expander for
1966 (v<insn>v8qi3): Ditto.
1967 (vashrv8hi3<mask_name>): Renamed to ..
1968 (vashr<mode>3): And extend to support V16QImode for avx512.
1969 (vashrv16qi3): Deleted.
1970 (vashrv2di3<mask_name>): Extend expander to support avx512
1973 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
1975 * doc/lto.texi (Design Overview): Update that slim objects are
1978 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
1980 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
1981 of OTHER_POWER10_MASKS so it will not be enabled by default.
1983 2021-06-23 Richard Biener <rguenther@suse.de>
1984 Martin Jambor <mjambor@suse.cz>
1986 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
1987 param replacement unconditionally. Adjust comment.
1989 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
1991 * Makefile.in (OBJS): Add gimple-range-fold.o
1992 * gimple-range-fold.cc: New.
1993 * gimple-range-fold.h: New.
1994 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
1995 (gimple_range_calc_op2): Ditto.
1996 * gimple-range-gori.h: Move prototypes to here.
1997 * gimple-range.cc: Adjust include files.
1998 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
1999 (fur_source::get_operand): Ditto.
2000 (fur_source::get_phi_operand): Ditto.
2001 (fur_source::query_relation): Ditto.
2002 (fur_source::register_relation): Ditto.
2003 (class fur_edge): Ditto.
2004 (fur_edge::fur_edge): Ditto.
2005 (fur_edge::get_operand): Ditto.
2006 (fur_edge::get_phi_operand): Ditto.
2007 (fur_stmt::fur_stmt): Ditto.
2008 (fur_stmt::get_operand): Ditto.
2009 (fur_stmt::get_phi_operand): Ditto.
2010 (fur_stmt::query_relation): Ditto.
2011 (class fur_depend): Relocate to gimple-range-fold.h.
2012 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
2013 (fur_depend::register_relation): Ditto.
2014 (fur_depend::register_relation): Ditto.
2015 (class fur_list): Ditto.
2016 (fur_list::fur_list): Ditto.
2017 (fur_list::get_operand): Ditto.
2018 (fur_list::get_phi_operand): Ditto.
2019 (fold_range): Ditto.
2020 (adjust_pointer_diff_expr): Ditto.
2021 (gimple_range_adjustment): Ditto.
2022 (gimple_range_base_of_assignment): Ditto.
2023 (gimple_range_operand1): Ditto.
2024 (gimple_range_operand2): Ditto.
2025 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
2026 (gimple_range_calc_op2): Ditto.
2027 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
2028 (fold_using_range::range_of_range_op): Ditto.
2029 (fold_using_range::range_of_address): Ditto.
2030 (fold_using_range::range_of_phi): Ditto.
2031 (fold_using_range::range_of_call): Ditto.
2032 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
2033 (fold_using_range::range_of_builtin_call): Ditto.
2034 (fold_using_range::range_of_cond_expr): Ditto.
2035 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
2036 (fold_using_range::relation_fold_and_or): Ditto.
2037 (fold_using_range::postfold_gcond_edges): Ditto.
2038 * gimple-range.h: Add gimple-range-fold.h to include files. Change
2039 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
2040 (gimple_range_handler): Relocate to gimple-range-fold.h.
2041 (gimple_range_ssa_p): Ditto.
2042 (range_compatible_p): Ditto.
2043 (class fur_source): Ditto.
2044 (class fur_stmt): Ditto.
2045 (class fold_using_range): Ditto.
2046 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
2047 (gimple_range_calc_op2): Ditto.
2049 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2051 PR tree-optimization/101148
2052 PR tree-optimization/101014
2053 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
2054 (ranger_cache::~ranger_cache): Adjust.
2055 (ranger_cache::block_range): Check if propagation disallowed.
2056 (ranger_cache::propagate_cache): Disallow propagation if new value
2057 can't be stored properly.
2058 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
2060 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2062 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
2063 (sbr_vector::set_bb_range): Return true.
2064 (class sbr_sparse_bitmap): Adjust.
2065 (sbr_sparse_bitmap::set_bb_range): Return value.
2066 (block_range_cache::set_bb_range): Return value.
2067 (ranger_cache::propagate_cache): Use return value to print msg.
2068 * gimple-range-cache.h (class block_range_cache): Adjust.
2070 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
2072 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
2074 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
2076 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
2077 so this pattern can be used for test/compare removal. Pass
2078 current insn to compute_logical_op_length and output_logical_op.
2079 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
2080 (h8300_and_costs): Add argument to compute_logical_op_length.
2081 (output_logical_op): Add new argument. Use it to determine if the
2082 condition codes are used and adjust the output accordingly.
2083 (compute_logical_op_length): Add new argument and update length
2084 computations when condition codes are used.
2085 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
2087 (output_logical_op): Likewise.
2089 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
2092 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
2093 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
2094 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
2095 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
2096 * config/i386/sse.md (unspec): ... here.
2098 2021-06-23 Martin Liska <mliska@suse.cz>
2101 * optc-save-gen.awk: Put back arm_fp16_format to
2104 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
2107 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
2110 (clz<mode>2): Update RTX pattern for additions.
2112 2021-06-23 Jakub Jelinek <jakub@redhat.com>
2114 PR middle-end/101167
2115 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
2116 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
2118 2021-06-22 Sergei Trofimovich <siarheit@google.com>
2120 * doc/rtl.texi: drop unbalanced parenthesis.
2122 2021-06-22 Richard Biener <rguenther@suse.de>
2124 PR middle-end/101156
2125 * gimplify.c (gimplify_expr): Remove premature incorrect
2128 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2130 PR tree-optimization/101159
2131 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
2134 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2136 PR middle-end/101160
2137 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
2138 clear crtl->return_rtx instead of keeping it referencing a pseudo.
2140 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2141 Andrew Pinski <apinski@marvell.com>
2143 PR tree-optimization/101162
2144 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
2147 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2149 * range-op.cc (range_relational_tests): New.
2150 (range_op_tests): Call range_relational_tests.
2152 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2154 * range-op.cc (operator_cast::lhs_op1_relation): New.
2155 (operator_identity::lhs_op1_relation): Mew.
2157 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2159 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
2161 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2163 * range-op.cc (operator_plus::lhs_op1_relation): New.
2164 (operator_plus::lhs_op2_relation): New.
2166 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2168 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
2169 relation_oracle if dominators exist.
2170 (ranger_cache::~ranger_cache): Dispose of oracle.
2171 (ranger_cache::dump_bb): Dump oracle.
2172 * gimple-range.cc (fur_source::fur_source): New.
2173 (fur_source::get_operand): Use mmeber query.
2174 (fur_source::get_phi_operand): Use member_query.
2175 (fur_source::query_relation): New.
2176 (fur_source::register_dependency): Delete.
2177 (fur_source::register_relation): New.
2178 (fur_edge::fur_edge): Adjust.
2179 (fur_edge::get_phi_operand): Fix comment.
2180 (fur_edge::query): Delete.
2181 (fur_stmt::fur_stmt): Adjust.
2182 (fur_stmt::query): Delete.
2183 (fur_depend::fur_depend): Adjust.
2184 (fur_depend::register_relation): New.
2185 (fur_depend::register_relation): New.
2186 (fur_list::fur_list): Adjust.
2187 (fur_list::get_operand): Use member query.
2188 (fold_using_range::range_of_range_op): Process and query relations.
2189 (fold_using_range::range_of_address): Adjust dependency call.
2190 (fold_using_range::range_of_phi): Ditto.
2191 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
2192 (fold_using_range::relation_fold_and_or): New.
2193 (fold_using_range::postfold_gcond_edges): New.
2194 * gimple-range.h (class gimple_ranger): Adjust.
2195 (class fur_source): Adjust members.
2196 (class fur_stmt): Ditto.
2197 (class fold_using_range): Ditto.
2199 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2201 * range-op.cc (range_operator::wi_fold): Apply relation effect.
2202 (range_operator::fold_range): Adjust and apply relation effect.
2203 (*::fold_range): Add relation parameters.
2204 (*::op1_range): Ditto.
2205 (*::op2_range): Ditto.
2206 (range_operator::lhs_op1_relation): New.
2207 (range_operator::lhs_op2_relation): New.
2208 (range_operator::op1_op2_relation): New.
2209 (range_operator::op1_op2_relation_effect): New.
2210 (relop_early_resolve): New.
2211 (operator_equal::op1_op2_relation): New.
2212 (operator_equal::fold_range): Call relop_early_resolve.
2213 (operator_not_equal::op1_op2_relation): New.
2214 (operator_not_equal::fold_range): Call relop_early_resolve.
2215 (operator_lt::op1_op2_relation): New.
2216 (operator_lt::fold_range): Call relop_early_resolve.
2217 (operator_le::op1_op2_relation): New.
2218 (operator_le::fold_range): Call relop_early_resolve.
2219 (operator_gt::op1_op2_relation): New.
2220 (operator_gt::fold_range): Call relop_early_resolve.
2221 (operator_ge::op1_op2_relation): New.
2222 (operator_ge::fold_range): Call relop_early_resolve.
2223 * range-op.h (class range_operator): Adjust parameters and methods.
2225 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
2227 * Makefile.in (OBJS): Add value-relation.o.
2228 * gimple-range.h: Adjust include files.
2229 * tree-data-ref.c: Adjust include file order.
2230 * value-query.cc (range_query::get_value_range): Default to no oracle.
2231 (range_query::query_relation): New.
2232 (range_query::query_relation): New.
2233 * value-query.h (class range_query): Adjust.
2234 * value-relation.cc: New.
2235 * value-relation.h: New.
2237 2021-06-22 Richard Biener <rguenther@suse.de>
2239 PR tree-optimization/101151
2240 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
2243 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
2245 * config/riscv/riscv.c (thead_c906_tune_info): New.
2246 (riscv_tune_info_table): Use new tune.
2248 2021-06-22 Richard Biener <rguenther@suse.de>
2250 PR tree-optimization/101158
2251 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
2252 checking after checking for matching operation.
2254 2021-06-22 Richard Biener <rguenther@suse.de>
2256 PR tree-optimization/101159
2257 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
2258 missing NULL vectype check.
2260 2021-06-22 Richard Biener <rguenther@suse.de>
2262 PR tree-optimization/101154
2263 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
2265 2021-06-22 Jakub Jelinek <jakub@redhat.com>
2268 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
2269 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
2270 * config/i386/i386.c (ix86_expand_prologue): Clear it.
2271 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
2272 Remove "" from match_operand. Emit new insns using emit_move_insn and
2273 set ix86_last_zero_store_uid to INSN_UID of the last store.
2274 Add peephole2s for 1/2/4 stores of const0_rtx following previous
2277 2021-06-22 Martin Liska <mliska@suse.cz>
2279 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
2282 2021-06-22 Martin Liska <mliska@suse.cz>
2284 * gcov-io.h: Remove padding entries.
2286 2021-06-22 liuhongt <hongtao.liu@intel.com>
2288 PR tree-optimization/97770
2289 * tree-vect-patterns.c (vect_recog_popcount_pattern):
2291 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
2293 2021-06-22 liuhongt <hongtao.liu@intel.com>
2296 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
2297 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
2298 (expand<mode>_mask): this ..
2299 (*expand<mode>_mask): New pre_reload splitter to transform
2300 v{,p}expand* to vmov* when mask is zero, all ones, or has all
2301 ones in it's lower part, otherwise still generate
2304 2021-06-22 liuhongt <hongtao.liu@intel.com>
2307 * config/i386/i386-expand.c
2308 (ix86_expand_special_args_builtin): Keep constm1_operand only
2309 if it satisfies insn's operand predicate.
2311 2021-06-21 Jason Merrill <jason@redhat.com>
2314 * df-scan.c (df_ref_record): Check that regno < endregno.
2315 * function.c (assign_parms, expand_function_end): Do nothing with a
2316 TYPE_EMPTY_P result.
2318 2021-06-21 Richard Biener <rguenther@suse.de>
2320 PR tree-optimization/101120
2321 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
2323 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
2324 DR chain DCE capability.
2325 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
2326 * tree-vect-stmts.c (vectorizable_load): Remove unused
2327 loads in the DR chain for SLP.
2329 2021-06-21 Jakub Jelinek <jakub@redhat.com>
2331 PR inline-asm/100785
2332 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
2333 output or input operands were already error_mark_node.
2334 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
2335 remove all inputs, outputs and clobbers from the asm and
2338 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2340 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
2341 (vceq_s16): Likewise.
2342 (vceq_s32): Likewise.
2343 (vceq_u8): Likewise.
2344 (vceq_u16): Likewise.
2345 (vceq_u32): Likewise.
2346 (vceq_p8): Likewise.
2347 (vceqq_s8): Likewise.
2348 (vceqq_s16): Likewise.
2349 (vceqq_s32): Likewise.
2350 (vceqq_u8): Likewise.
2351 (vceqq_u16): Likewise.
2352 (vceqq_u32): Likewise.
2353 (vceqq_p8): Likewise.
2354 (vceq_f32): Gate __a == __b on __FAST_MATH__.
2355 (vceqq_f32): Likewise.
2356 (vceq_f16): Likewise.
2357 (vceqq_f16): Likewise.
2359 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2362 * config/arm/iterators.md (NEON_VACMP): Remove.
2363 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
2365 (neon_vca<cmp_op><mode>_insn): Likewise.
2366 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
2369 2021-06-21 Richard Biener <rguenther@suse.de>
2371 PR tree-optimization/101121
2372 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
2373 when we just lack a stmt with the desired op when doing permutation.
2374 (vect_build_slp_tree): When caching a failed SLP build attempt
2375 assert that at least one lane is marked as not matching.
2377 2021-06-21 liuhongt <hongtao.liu@intel.com>
2380 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
2381 register alternative.
2382 (*and<mode>_1): Ditto.
2384 (*andn<mode>_1): Ditto.
2385 (*<code><mode>_1): Ditto.
2386 (*<code>qi_1): Ditto.
2387 (*one_cmpl<mode>2_1): Ditto.
2388 (*one_cmplsi2_1_zext): Ditto.
2389 (*one_cmplqi2_1): Ditto.
2390 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
2391 the order of mask registers to be before general registers.
2393 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
2396 * config/i386/i386.md: New define_peephole2s to shrink writing
2397 1, 2 or 4 consecutive zeros to memory when optimizing for size.
2399 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
2401 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
2402 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
2403 more efficient code when the source can be trivially simplified.
2405 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
2407 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
2408 a range if global is not available.
2409 (ranger_cache::entry_range): Fallback to range_of_def.
2410 * gimple-range-cache.h (range_of_def): Adjust prototype.
2412 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
2414 PR tree-optimization/101014
2415 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
2417 (ranger_cache::~ranger_cache): Ditto.
2418 (ranger_cache::enable_new_values): Delete.
2419 (ranger_cache::push_poor_value): Delete.
2420 (ranger_cache::range_of_def): Remove poor value processing.
2421 (ranger_cache::entry_range): Ditto.
2422 (ranger_cache::fill_block_cache): Ditto.
2423 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
2424 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
2425 * gimple-range.h (class gimple_ranger): Adjust.
2427 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
2430 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
2431 derived from arm_canon_arch.
2432 (arm_canon_arch_option): Call it.
2433 (arm_canon_arch_multilib_option): New function.
2434 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
2435 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
2436 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
2437 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
2438 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
2439 * config/arm/arm.opt (mlibarch): New option.
2440 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
2441 of march on RHS with mlibarch.
2443 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
2445 * config.in: Regenerate.
2446 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
2448 * configure: Regenerate.
2449 * configure.ac: Fix for global_load assembler functions.
2451 2021-06-18 Richard Biener <rguenther@suse.de>
2453 PR tree-optimization/101112
2454 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
2455 to lookup a pattern stmt def.
2457 2021-06-18 Jakub Jelinek <jakub@redhat.com>
2459 PR middle-end/101062
2460 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
2461 representatives in QUAL_UNION_TYPE.
2463 2021-06-18 Andrew Pinski <apinski@marvell.com>
2465 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
2466 Add counting of how many times it is done.
2467 (factor_out_conditional_conversion): Likewise.
2468 (match_simplify_replacement): Likewise.
2469 (value_replacement): Likewise.
2470 (spaceship_replacement): Likewise.
2471 (cond_store_replacement): Likewise.
2472 (cond_if_else_store_replacement_1): Likewise.
2473 (hoist_adjacent_loads): Likewise.
2475 2021-06-18 Andrew Pinski <apinski@marvell.com>
2477 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
2478 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
2479 (verify_gimple_assign_binary): Reject point and offset types on
2480 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
2481 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
2482 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
2484 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
2486 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
2487 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
2488 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
2491 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
2493 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
2494 earlyclobber to alts 0/1.
2495 (gen_addadd): Add earlyclobber to alts 0/1.
2496 * config/rs6000/fusion.md: Regenerate file.
2498 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2500 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
2502 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
2504 * gimple-range-cache.cc: Comment cleanups.
2505 * gimple-range-gori.cc: Comment cleanups.
2506 * gimple-range.cc: Comment/spacing cleanups
2507 * value-range.h: Comment cleanups.
2509 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
2512 * calls.c (expand_call): Replace PUSH_ARGS with
2513 targetm.calls.push_argument (0).
2514 (emit_library_call_value_1): Likewise.
2515 * defaults.h (PUSH_ARGS): Removed.
2516 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
2517 targetm.calls.push_argument (0).
2518 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2519 (emit_push_insn): Pass the number bytes to push to
2520 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
2521 * hooks.c (hook_bool_uint_true): New.
2522 * hooks.h (hook_bool_uint_true): Likewise.
2523 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
2524 targetm.calls.push_argument (0).
2525 * target.def (push_argument): Add a targetm.calls hook.
2526 * targhooks.c (default_push_argument): New.
2527 * targhooks.h (default_push_argument): Likewise.
2528 * config/bpf/bpf.h (PUSH_ARGS): Removed.
2529 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
2530 * config/cr16/cr16.h (PUSH_ARGS): Removed.
2531 * config/i386/i386.c (ix86_push_argument): New.
2532 (TARGET_PUSH_ARGUMENT): Likewise.
2533 * config/i386/i386.h (PUSH_ARGS): Removed.
2534 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
2535 * config/m32c/m32c.h (PUSH_ARGS): Removed.
2536 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
2537 * config/pru/pru.h (PUSH_ARGS): Likewise.
2538 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
2539 TARGET_PUSH_ARGUMENT hook.
2540 * doc/tm.texi: Regenerated.
2542 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
2545 * config/i386/i386-expand.c (expand_vector_set_var):
2546 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
2547 ix86_expand_vector_init_duplicate.
2548 (ix86_expand_vector_init_duplicate): Emit insv_1 for
2549 QImode for !TARGET_PARTIAL_REG_STALL.
2550 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
2551 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
2552 as operand 2 predicate. Call ix86_expand_vector_set_var
2553 for non-constant index operand.
2554 (vec_setv2si): Ditto.
2555 (vec_setv4hi): Ditto.
2556 (vec_setv8qi): ditto.
2558 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
2560 PR tree-optimization/100790
2561 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
2564 2021-06-17 Martin Liska <mliska@suse.cz>
2566 * doc/invoke.texi: Use consistently -O1 instead of -O.
2568 2021-06-17 Martin Liska <mliska@suse.cz>
2570 * gcov-io.h: Update documentation entry about string format.
2572 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
2575 * config/s390/vecintrin.h (vec_doublee): Fix to use
2576 __builtin_s390_vflls.
2577 (vec_floate): Fix to use __builtin_s390_vflrd.
2579 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2581 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
2582 * dominance.h (get_dominated_to_depth): Likewise.
2583 (get_all_dominated_blocks): Likewise.
2584 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
2585 * gcse.c (hoist_code): Likewise.
2586 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
2587 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
2588 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
2589 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
2591 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2593 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
2594 * dominance.h (get_dominated_by_region): Likewise.
2595 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
2596 (gimple_duplicate_sese_tail): Likewise.
2597 (move_sese_region_to_fn): Likewise.
2599 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2601 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
2602 * dominance.h (get_dominated_by): Likewise.
2603 * auto-profile.c (afdo_find_equiv_class): Adjust.
2604 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
2605 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
2606 * tree-cfg.c (test_linear_chain): Likewise.
2607 (test_diamond): Likewise.
2609 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2611 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
2612 * cfgloopanal.c (get_loop_hot_path): Likewise.
2613 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
2615 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2617 * cgraph.c (cgraph_node::collect_callers): Return
2618 auto_vec<cgraph_edge *>.
2619 * cgraph.h (cgraph_node::collect_callers): Likewise.
2620 * ipa-cp.c (create_specialized_node): Adjust.
2621 (decide_about_value): Likewise.
2622 (decide_whether_version_node): Likewise.
2623 * ipa-sra.c (process_isra_node_results): Likewise.
2625 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
2627 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
2628 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
2630 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
2633 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
2635 * gimple-range.cc (debug_seed_ranger): New.
2637 (debug_ranger): New.
2639 2021-06-17 Richard Biener <rguenther@suse.de>
2641 PR tree-optimization/54400
2642 * tree-vectorizer.h (enum slp_instance_kind): Add
2643 slp_inst_kind_bb_reduc.
2644 (reduction_fn_for_scalar_code): Declare.
2645 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
2646 Check SLP_INSTANCE_KIND instead of looking at the
2648 (vect_slp_analyze_instance_alignment): Likewise.
2649 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
2650 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
2651 chain linearization from vect_build_slp_tree_2 and generalize
2652 for the use of BB reduction vectorization.
2653 (vect_build_slp_tree_2): Adjust accordingly.
2654 (vect_optimize_slp): Elide permutes at the root of BB reduction
2656 (vectorizable_bb_reduc_epilogue): New function.
2657 (vect_slp_prune_covered_roots): Likewise.
2658 (vect_slp_analyze_operations): Use them.
2659 (vect_slp_check_for_constructors): Recognize associatable
2660 chains for BB reduction vectorization.
2661 (vectorize_slp_instance_root_stmt): Generate code for the
2662 BB reduction epilogue.
2664 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
2666 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
2668 (gori_compute::may_recompute_p): New.
2669 (gori_compute::outgoing_edge_range_p): Perform recomputations.
2670 * gimple-range-gori.h (class gori_compute): Add prototype.
2672 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
2674 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
2675 true when a range can be calculated.
2676 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
2678 2021-06-16 Martin Sebor <msebor@redhat.com>
2680 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
2681 Correct documented defaults.
2683 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
2685 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
2686 m_new_value_p directly.
2688 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
2691 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
2692 Handle 64bit modes for TARGET_SSE4_1.
2693 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
2694 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
2695 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
2696 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
2697 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
2698 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
2700 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
2702 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
2703 Change to an expander that emits the correct instruction
2704 depending on endianness.
2705 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
2706 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
2708 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
2710 * config/aarch64/aarch64-simd-builtins.def: Split generator
2711 for aarch64_<su>qmovn builtins into scalar and vector
2713 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
2715 (aarch64_<su>qmovn<mode>_insn_be): Define.
2716 (aarch64_<su>qmovn<mode>): Split into scalar and vector
2717 variants. Change vector variant to an expander that emits the
2718 correct instruction depending on endianness.
2720 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
2722 * config/aarch64/aarch64-simd-builtins.def: Split generator
2723 for aarch64_sqmovun builtins into scalar and vector variants.
2724 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
2725 Split into scalar and vector variants. Change vector variant
2726 to an expander that emits the correct instruction depending
2728 (aarch64_sqmovun<mode>_insn_le): Define.
2729 (aarch64_sqmovun<mode>_insn_be): Define.
2731 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
2733 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
2734 Define - modeling zero-high-half semantics.
2735 (aarch64_xtn<mode>): Change to an expander that emits the
2736 appropriate instruction depending on endianness.
2737 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
2739 (aarch64_xtn2<mode>_le): Rename to...
2740 (aarch64_xtn2<mode>_insn_le): This.
2741 (aarch64_xtn2<mode>_be): Rename to...
2742 (aarch64_xtn2<mode>_insn_be): This.
2743 (vec_pack_trunc_<mode>): Emit truncation instruction instead
2745 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
2748 2021-06-16 Martin Jambor <mjambor@suse.cz>
2750 PR tree-optimization/100453
2751 * tree-sra.c (create_access): Disqualify any const candidates
2752 which are written to.
2753 (sra_modify_expr): Do not store sub-replacements back to a const base.
2754 (handle_unscalarized_data_in_subtree): Likewise.
2755 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
2756 instead of constant_decl_p.
2758 2021-06-16 Jakub Jelinek <jakub@redhat.com>
2760 PR middle-end/101062
2761 * stor-layout.c (finish_bitfield_representative): For fields in unions
2762 assume nextf is always NULL.
2763 (finish_bitfield_layout): Compute bit field representatives also in
2764 unions, but handle it as if each bitfield was the only field in the
2767 2021-06-16 Richard Biener <rguenther@suse.de>
2769 PR tree-optimization/101088
2770 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
2771 supported refs on edges. Do not assert same ref but
2772 different kind stores are unsuported but mark them so.
2773 (hoist_memory_references): Only look for supported refs
2776 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
2778 PR rtl-optimization/46235
2779 * config/i386/i386.md: New define_split for bt followed by cmov.
2780 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
2781 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
2782 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
2783 by setnc with zero extension.
2785 2021-06-16 Richard Biener <rguenther@suse.de>
2787 PR tree-optimization/101083
2788 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
2789 vectype as argument.
2790 (vect_build_slp_tree_2): Adjust.
2792 2021-06-15 Martin Sebor <msebor@redhat.com>
2794 PR middle-end/100876
2795 * builtins.c: (gimple_call_return_array): Account for size_t
2796 mangling as either unsigned int or unsigned long
2798 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
2800 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
2801 up before eliminating comparisons.
2803 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
2805 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
2806 nonzero|X is nonzero.
2807 (range_op_bitwise_and_tests): Add tests for above.
2809 2021-06-15 Carl Love <cel@us.ibm.com>
2812 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
2814 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
2817 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
2820 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
2821 (struct gimplify_omp_ctx): Extend defaultmap array by one.
2822 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
2823 (omp_notice_variable): Update type classification for Fortran.
2824 (gimplify_scan_omp_clauses): Update calls for new argument; handle
2825 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
2826 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
2827 * langhooks.c (lhd_omp_scalar_p): Likewise.
2828 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
2829 (LANG_HOOKS_DECLS): Add them.
2830 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
2831 omp_scalar_p pointer type to include the new bool argument.
2833 2021-06-15 David Malcolm <dmalcolm@redhat.com>
2836 (Special Functions for Debugging the Analyzer): Add
2837 __analyzer_dump_capacity.
2839 2021-06-15 Jakub Jelinek <jakub@redhat.com>
2842 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
2843 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
2845 2021-06-15 Richard Biener <rguenther@suse.de>
2847 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
2848 check to identify loop latches.
2849 * cfgloop.c (verify_loop_structure): Likewise.
2850 * loop-init.c (apply_loop_flags): Allow marked irreducible
2851 regions even with multiple latches.
2852 * predict.c (rebuild_frequencies): Simplify.
2854 2021-06-15 Richard Biener <rguenther@suse.de>
2856 * tree-ssa-threadupdate.c
2857 (jump_thread_path_registry::mark_threaded_blocks): Assert we
2858 have marked irreducible regions.
2860 2021-06-14 Martin Sebor <msebor@redhat.com>
2863 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
2864 Handle calls to placement new.
2865 (ndecl_dealloc_argno): Avoid placement delete.
2867 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
2870 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
2871 create_tmp_reg_or_ssa_name().
2873 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
2875 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
2876 (ranger_cache::enable_new_values): Set to specified value and
2877 return the old value.
2878 (ranger_cache::disable_new_values): Delete.
2879 (ranger_cache::fill_block_cache): Disable non 1st order derived
2881 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
2882 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
2884 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
2887 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
2888 Return true early when testing with V2HImode.
2889 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
2891 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
2893 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
2894 (mve_vec_unpack<US>_hi_<mode>): New pattern.
2895 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
2896 (mve_vmovntq_<supf><mode>): Prefix with '@'.
2897 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
2899 (vec_unpack<US>_lo_<mode>): Likewise.
2900 (vec_pack_trunc_<mode>): Rename to
2901 neon_quad_vec_pack_trunc_<mode>.
2902 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
2904 (vec_unpack<US>_lo_<mode>): New.
2905 (vec_pack_trunc_<mode>): New.
2907 2021-06-14 Richard Biener <rguenther@suse.de>
2909 PR tree-optimization/100934
2910 * tree-ssa-dom.c (pass_dominator::execute): Properly
2911 mark irreducible regions.
2913 2021-06-14 Martin Liska <mliska@suse.cz>
2915 * doc/invoke.texi: Put r{...} on the same line as @item.
2917 2021-06-14 Martin Liska <mliska@suse.cz>
2919 * doc/invoke.texi: Add missing newline.
2921 2021-06-14 Martin Liska <mliska@suse.cz>
2923 * doc/invoke.texi: Remove '+' charasters.
2925 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
2927 * config.gcc (arc): Add support for with_cpu option.
2928 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
2930 2021-06-14 Richard Biener <rguenther@suse.de>
2932 PR tree-optimization/101031
2933 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
2934 instead of size when accounting for a possibly string
2937 2021-06-14 Martin Liska <mliska@suse.cz>
2939 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
2941 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
2943 * value-query.cc (gimple_range_global): Call get_range_global
2944 if called after inlining.
2946 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
2949 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
2950 Emit constant permutation insn directly from here.
2952 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
2954 * attribs.c (find_attribute_namespace): Iterate over vec<> with
2956 * auto-profile.c (afdo_find_equiv_class): Likewise.
2957 * gcc.c (do_specs_vec): Likewise.
2958 (do_spec_1): Likewise.
2959 (driver::set_up_specs): Likewise.
2960 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
2961 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
2962 (imm_store_chain_info::try_coalesce_bswap): Likewise.
2963 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
2964 (get_location_for_stmts): Likewise.
2965 * graphite-poly.c (print_iteration_domains): Likewise.
2966 (free_poly_bb): Likewise.
2967 (remove_gbbs_in_scop): Likewise.
2968 (free_scop): Likewise.
2969 (dump_gbb_cases): Likewise.
2970 (dump_gbb_conditions): Likewise.
2971 (print_pdrs): Likewise.
2972 (print_scop): Likewise.
2973 * ifcvt.c (cond_move_process_if_block): Likewise.
2974 * lower-subreg.c (decompose_multiword_subregs): Likewise.
2975 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
2976 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
2977 * sel-sched-dump.c (dump_insn_vector): Likewise.
2978 * store-motion.c (store_ops_ok): Likewise.
2979 (store_killed_in_insn): Likewise.
2980 * timevar.c (timer::named_items::print): Likewise.
2981 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
2982 (cleanup_tree_cfg_noloop): Likewise.
2983 * tree-data-ref.c (dump_data_references): Likewise.
2984 (print_dir_vectors): Likewise.
2985 (print_dist_vectors): Likewise.
2986 (dump_data_dependence_relations): Likewise.
2987 (dump_dist_dir_vectors): Likewise.
2988 (dump_ddrs): Likewise.
2989 (create_runtime_alias_checks): Likewise.
2990 (free_subscripts): Likewise.
2991 (save_dist_v): Likewise.
2992 (save_dir_v): Likewise.
2993 (invariant_access_functions): Likewise.
2994 (same_access_functions): Likewise.
2995 (access_functions_are_affine_or_constant_p): Likewise.
2996 (find_data_references_in_stmt): Likewise.
2997 (graphite_find_data_references_in_stmt): Likewise.
2998 (free_dependence_relations): Likewise.
2999 (free_data_refs): Likewise.
3000 * tree-inline.c (copy_debug_stmts): Likewise.
3001 * tree-into-ssa.c (dump_currdefs): Likewise.
3002 (rewrite_update_phi_arguments): Likewise.
3003 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
3004 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
3006 (vect_slp_analyze_node_dependences): Likewise.
3007 (vect_slp_analyze_instance_dependence): Likewise.
3008 (vect_record_base_alignments): Likewise.
3009 (vect_get_peeling_costs_all_drs): Likewise.
3010 (vect_peeling_supportable): Likewise.
3011 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
3012 (vec_info::free_stmt_vec_infos): Likewise.
3014 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
3016 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
3017 (andqi3_1<cczn>): Removed.
3018 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
3019 (H8/SX bit logicals): Split out from other patterns.
3020 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
3021 mulqihi3_const_clobber_flags.
3022 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
3024 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
3027 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
3028 to true if red zone is used.
3029 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
3031 * config/i386/i386.h (machine_function): Add red_zone_used.
3032 (ix86_red_zone_size): Removed.
3033 (ix86_red_zone_used): New.
3034 * config/i386/i386.md (peephole2 patterns): Replace
3035 ix86_red_zone_size with ix86_red_zone_used.
3037 2021-06-12 Jason Merrill <jason@redhat.com>
3039 * doc/extend.texi (unused variable attribute): Applies to
3040 structure fields as well.
3042 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
3044 * auto-profile.c (read_profile): fix a typo in an error string
3046 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
3048 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
3050 * tree-pretty-print.c (dump_omp_clauses): Update.
3051 (dump_generic_node) <OMP_CLAUSE>: Use it.
3053 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
3056 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
3057 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
3058 the polymorphic variants matching code.
3059 (__arm_vld1q_z): Likewise.
3060 (__arm_vld2q): Likewise.
3061 (__arm_vld4q): Likewise.
3062 (__arm_vldrbq_gather_offset): Likewise.
3063 (__arm_vldrbq_gather_offset_z): Likewise.
3065 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
3067 PR tree-optimization/96392
3068 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
3070 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
3072 PR tree-optimization/96392
3073 * fold-const.c (fold_real_zero_addition_p): Take both arguments
3074 of the addition or subtraction, not just the zero. Use this
3075 other argument in tests for signaling NaNs and signed zeros.
3076 (tree_expr_maybe_real_minus_zero_p): New predicate.
3077 * fold-const.h (fold_real_zero_addition_p): Update prototype.
3078 (tree_expr_maybe_real_minus_zero_p): New function prototype.
3079 * match.pd: Update calls to fold_real_zero_addition_p.
3080 Replace HONOR_NANS with tree_expr_maybe_nan_p.
3081 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
3082 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
3083 * tree-ssa-reassoc.c (eliminate_using_constants): Update
3084 call to fold_real_zero_addition_p.
3086 2021-06-11 Richard Biener <rguenther@suse.de>
3088 PR tree-optimization/101025
3089 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
3090 all refs that require dependence checking.
3092 2021-06-11 Richard Biener <rguenther@suse.de>
3094 PR tree-optimization/101028
3095 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
3096 reassoc discovery fails fatally, mark appropriate lanes
3099 2021-06-11 Richard Biener <rguenther@suse.de>
3101 PR tree-optimization/101026
3102 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
3103 have a representative for the associated chain nodes.
3105 2021-06-11 Jakub Jelinek <jakub@redhat.com>
3107 PR rtl-optimization/101008
3108 * simplify-rtx.c (relational_result): New function.
3109 (simplify_logical_relational_operation,
3110 simplify_relational_operation): Use it.
3112 2021-06-11 Jakub Jelinek <jakub@redhat.com>
3115 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
3117 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
3120 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
3121 false if the permutation can be implemented with constant
3122 permutation instruction in wider mode.
3123 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
3124 Handle V8QImode and V4HImode.
3126 2021-06-11 Martin Liska <mliska@suse.cz>
3128 PR gcov-profile/100788
3129 * common.opt: Add new option.
3130 * coverage.c (coverage_begin_function): Emit warning instead on
3131 the internal compiler error.
3132 * doc/invoke.texi: Document the option.
3133 * toplev.c (process_options): Enable it by default.
3135 2021-06-11 Richard Biener <rguenther@suse.de>
3137 PR middle-end/101009
3138 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
3139 to set *init_b to true when we encounter a constant equal
3141 (compute_affine_dependence): Also dump the actual DR_REF.
3143 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
3145 PR tree-optimization/100984
3146 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
3148 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
3150 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
3152 * config/rs6000/rs6000.md
3153 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
3154 define_insn_and_split.
3156 2021-06-11 Richard Biener <rguenther@suse.de>
3158 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
3159 to sort operands of the associative chain.
3161 2021-06-11 Richard Biener <rguenther@suse.de>
3163 * system.h (gcc_stablesort_r): Declare.
3164 * sort.cc (gcc_sort_r): Support stable sort.
3165 (gcc_stablesort_r): Define.
3166 * vec.h (vec<>::stablesort): Add.
3168 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
3171 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
3172 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
3173 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
3174 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
3175 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
3176 (expand_vec_perm_interleave2): Handle 64bit modes.
3177 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
3178 (expand_vec_perm_even_odd_1): Ditto.
3179 (ix86_vectorize_vec_perm_const): Ditto.
3180 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
3181 * config/i386/sse.md: ... here.
3182 * config/i386/mmx.md (*vec_interleave_lowv2sf):
3183 New insn_and_split pattern.
3184 (*vec_interleave_highv2sf): Ditto.
3185 (mmx_pshufbv8qi3): New insn pattern.
3186 (*mmx_pblendw): Ditto.
3188 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
3190 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
3191 (build_acc): Likewise.
3192 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
3193 source operands in little-endian mode.
3194 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
3195 (mma_init_builtins): Likewise.
3196 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
3197 ordering for the MMA assemble and build source operands.
3198 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
3200 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
3203 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
3205 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
3207 * config/h8300/extensions.md: Replace _clobber_flags patterns
3210 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
3212 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
3213 (vcond_mask_<mode><tointvec>): this.
3215 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
3216 Thomas Schwinge <thomas@codesourcery.com>
3218 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
3219 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
3220 * gimple.h (enum gf_mask): Split
3221 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
3222 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
3223 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
3224 (is_gimple_omp_oacc): Update.
3225 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
3226 * gimplify.c (gimplify_omp_target_update): Likewise.
3227 * omp-expand.c (expand_omp_target, build_omp_regions_1)
3228 (omp_make_gimple_edges): Likewise.
3229 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
3232 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
3234 * value-query.cc (value_query::value_on_edge): Rename name to
3236 (range_query::range_on_edge): Same.
3237 (range_query::value_of_expr): Same.
3238 (range_query::value_on_edge): Same.
3239 * value-query.h (class value_query): Same.
3240 (class range_query): Same.
3242 2021-06-10 Richard Biener <rguenther@suse.de>
3244 PR tree-optimization/101003
3245 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
3246 use the pattern stmt defs when linearizing a chain.
3248 2021-06-10 Jakub Jelinek <jakub@redhat.com>
3251 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
3252 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
3254 2021-06-10 Clement Chigot <clement.chigot@atos.net>
3256 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
3257 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
3259 2021-06-09 Andrew Pinski <apinski@marvell.com>
3261 PR tree-optimization/100925
3262 * match.pd (a ? CST1 : CST2): Limit transformations
3263 that would produce a negative to integeral types only.
3264 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
3266 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3269 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3271 * doc/tm.texi: Correctly update.
3273 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
3275 * doc/tm.texi: Correctly update.
3277 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
3280 * doc/tm.texi.in (Trampolines): Add a missing blank line.
3282 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
3285 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
3286 and -ftrampolines work only with Ada.
3287 * doc/tm.texi.in (Trampolines): Likewise.
3288 * doc/tm.texi: Regenerated.
3290 2021-06-09 Carl Love <cel@us.ibm.com>
3292 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
3293 Add define for new builtins.
3294 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
3295 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
3296 overloaded builtin definitions.
3297 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
3298 VSIGNEXTSD2Q): Add builtin expansions.
3299 (SIGNEXT): Add P10 overload definition.
3300 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
3301 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
3302 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
3303 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
3304 vsignextend_si_v2di)[VIlong]: Add define_expand.
3305 Make define_insn vsx_sign_extend_si_v2di visible.
3306 * doc/extend.texi: Add documentation for the vec_signexti,
3307 vec_signextll builtins and vec_signextq.
3309 2021-06-09 Carl Love <cel@us.ibm.com>
3311 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
3312 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
3313 __floattikf_sw, __floatuntikf_sw respectively.
3314 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
3315 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
3316 define_insn for mode IEEE 128.
3318 2021-06-09 Carl Love <cel@us.ibm.com>
3320 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
3321 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
3322 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
3323 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
3324 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
3325 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
3326 uses of VSX_TI to VEC_TI.
3328 2021-06-09 Carl Love <cel@us.ibm.com>
3330 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
3332 2021-06-09 Carl Love <cel@us.ibm.com>
3334 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
3336 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
3337 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
3338 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
3339 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
3340 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
3341 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
3342 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
3344 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
3345 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
3346 altivec_vrlqnm): New define_expands.
3347 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
3348 VCMPGTUT_P): Add macro expansions.
3349 (BU_P10V_AV_P): Add builtin predicate definition.
3350 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
3351 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
3352 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
3353 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
3354 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
3355 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
3356 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
3357 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
3358 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
3359 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
3360 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
3361 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
3362 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
3363 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
3364 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
3365 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
3366 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
3367 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
3368 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
3369 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
3370 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
3371 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
3372 P10V_BUILTIN_MODU_V1TI):
3373 New overloaded definitions.
3374 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
3375 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
3376 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
3377 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
3378 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
3379 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
3381 (altivec_init_builtins): New E_V1TImode case statement.
3382 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
3383 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
3384 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
3385 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
3386 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
3387 E_V1TImode]: New case statements.
3388 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
3389 value RS6000_BTI_bool_V1TI.
3390 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
3391 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
3392 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
3393 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
3394 vlshrv1ti3, vashrv1ti3): New define_expands.
3395 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
3396 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
3397 UNSPEC_VSX_MODUQ): New unspecs.
3398 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
3399 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
3401 (vcmpnet): New define_expand.
3402 * doc/extend.texi: Add documentation for the new builtins vec_rl,
3403 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
3404 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
3405 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
3406 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
3407 vec_any_ge, vec_any_le.
3409 2021-06-09 Carl Love <cel@us.ibm.com>
3411 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
3412 bug in argument generation.
3414 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
3416 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
3418 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
3419 remove <supf> iterator.
3420 (mve_vclzq_u<mode>): New.
3421 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
3422 (neon_vclz<mode): Move to ...
3423 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
3424 * config/arm/vec-common.md: ... here. Add support for MVE.
3426 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
3428 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
3429 (@mve_vrhaddq_<supf><mode): Likewise.
3430 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
3431 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
3432 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
3434 2021-06-09 imba-tjd <109224573@qq.com>
3436 * doc/invoke.texi: Fix typo.
3438 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
3441 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
3442 Support evaluation of fmod/fmodf/fmodl at compile-time.
3444 2021-06-09 Richard Biener <rguenther@suse.de>
3446 PR tree-optimization/100981
3447 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
3448 gimple_get_lhs to also handle calls.
3449 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
3452 2021-06-09 Richard Biener <rguenther@suse.de>
3454 PR tree-optimization/97832
3455 * tree-vectorizer.h (_slp_tree::failed): New.
3456 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
3458 (_slp_tree::~_slp_tree): Free failed.
3459 (vect_build_slp_tree): Retain failed nodes and record
3460 matches in them, copying that back out when running
3461 into a cached fail. Dump start and end of discovery.
3463 (vect_build_slp_tree_2): Handle associatable chains
3464 together doing more aggressive operand swapping.
3466 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
3469 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
3471 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
3472 Linux and GNU targets.
3474 2021-06-09 Richard Biener <rguenther@suse.de>
3476 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
3479 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3481 * config/arc/arc.md (loop_end): Change it to
3482 define_insn_and_split.
3484 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3486 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
3487 (machi): New pattern.
3488 (umaddhisi4): Use VMAC2HU instruction.
3489 (umachi): New pattern.
3491 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
3493 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
3494 * config/arc/arc.c (arc_split_move_p): New function.
3495 (arc_split_move): Clean up.
3496 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
3497 (movdf_insn): Likewise.
3498 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
3500 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
3503 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
3504 argument to "raw". Do not emit segment overrides when "raw" is true.
3506 2021-06-09 Martin Liska <mliska@suse.cz>
3508 * doc/gcov.texi: Create a proper JSON files.
3509 * doc/invoke.texi: Remove dots in order to make it a valid
3512 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
3514 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
3515 (insn_is_load_p): Use pattern_is_rotate64.
3516 (insn_is_swap_p): Likewise.
3517 (quad_aligned_load_p): Likewise.
3518 (const_load_sequence_p): Likewise.
3519 (replace_swapped_aligned_load): Likewise.
3520 (recombine_lvx_pattern): Likewise.
3521 (recombine_stvx_pattern): Likewise.
3523 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
3525 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
3526 fur_stmt source record.
3527 * gimple-range.cc (fur_source::get_operand): Generic range query.
3528 (fur_source::get_phi_operand): New.
3529 (fur_source::register_dependency): New.
3530 (fur_source::query): New.
3531 (class fur_edge): New. Edge source for operands.
3532 (fur_edge::fur_edge): New.
3533 (fur_edge::get_operand): New.
3534 (fur_edge::get_phi_operand): New.
3535 (fur_edge::query): New.
3536 (fur_stmt::fur_stmt): New.
3537 (fur_stmt::get_operand): New.
3538 (fur_stmt::get_phi_operand): New.
3539 (fur_stmt::query): New.
3540 (class fur_depend): New. Statement source and process dependencies.
3541 (fur_depend::fur_depend): New.
3542 (fur_depend::register_dependency): New.
3543 (class fur_list): New. List source for operands.
3544 (fur_list::fur_list): New.
3545 (fur_list::get_operand): New.
3546 (fur_list::get_phi_operand): New.
3547 (fold_range): New. Instantiate appropriate fur_source class and fold.
3548 (fold_using_range::range_of_range_op): Use new API.
3549 (fold_using_range::range_of_address): Ditto.
3550 (fold_using_range::range_of_phi): Ditto.
3551 (imple_ranger::fold_range_internal): Use fur_depend class.
3552 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
3553 * gimple-range.h (class fur_source): Now a base class.
3554 (class fur_stmt): New.
3555 (fold_range): New prototypes.
3556 (fur_source::fur_source): Delete.
3558 2021-06-08 Andrew Pinski <apinski@marvell.com>
3560 PR tree-optimization/25290
3561 * tree-ssa-phiopt.c (xor_replacement): Delete.
3562 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
3563 (match_simplify_replacement): Allow one cheap preparation
3564 statement that can be moved to before the if.
3566 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
3568 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
3569 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
3571 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
3573 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
3574 Create length attribute on define_insn_and_split. Only split for cases which we
3576 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
3577 fix length computation.
3578 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
3580 2021-06-08 Richard Biener <rguenther@suse.de>
3582 PR tree-optimization/100923
3583 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
3584 the operand vector to be valueized.
3585 (valueize_refs): Likewise.
3586 (valueize_shared_reference_ops_from_ref): Adjust.
3587 (valueize_shared_reference_ops_from_call): Likewise.
3588 (vn_reference_lookup_3): Likewise.
3589 (vn_reference_lookup_pieces): Likewise. Re-valueize
3590 with honoring availability when we are about to create
3591 the ao_ref and valueized before.
3592 (vn_reference_lookup): Likewise.
3593 (vn_reference_insert_pieces): Adjust.
3595 2021-06-08 Richard Biener <rguenther@suse.de>
3597 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
3598 (_slp_instance::root_stmts): ... a vector.
3599 (SLP_INSTANCE_ROOT_STMT): Rename to ...
3600 (SLP_INSTANCE_ROOT_STMTS): ... this.
3601 (slp_root::root): Change to...
3602 (slp_root::roots): ... a vector.
3603 (slp_root::slp_root): Adjust.
3604 * tree-vect-slp.c (_slp_instance::location): Adjust.
3605 (vect_free_slp_instance): Release the root stmt vector.
3606 (vect_build_slp_instance): Adjust.
3607 (vect_analyze_slp): Likewise.
3608 (_bb_vec_info::~_bb_vec_info): Likewise.
3609 (vect_slp_analyze_operations): Likewise.
3610 (vect_bb_vectorization_profitable_p): Likewise. Adjust
3611 costs for the root stmt.
3612 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
3614 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
3616 (vectorize_slp_instance_root_stmt): Adjust.
3617 (vect_schedule_slp): Likewise.
3619 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
3621 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
3622 (ssa_equiv_stack::ssa_equiv_stack): New.
3623 (ssa_equiv_stack::~ssa_equiv_stack): New.
3624 (ssa_equiv_stack::enter): New.
3625 (ssa_equiv_stack::leave): New.
3626 (ssa_equiv_stack::push_replacement): New.
3627 (ssa_equiv_stack::get_replacement): New.
3628 (is_pointer_ssa): New.
3629 (class pointer_equiv_analyzer): New.
3630 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
3631 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
3632 (pointer_equiv_analyzer::set_global_equiv): New.
3633 (pointer_equiv_analyzer::set_cond_equiv): New.
3634 (pointer_equiv_analyzer::get_equiv): New.
3635 (pointer_equiv_analyzer::enter): New.
3636 (pointer_equiv_analyzer::leave): New.
3637 (pointer_equiv_analyzer::get_equiv_expr): New.
3638 (pta_valueize): New.
3639 (pointer_equiv_analyzer::visit_stmt): New.
3640 (pointer_equiv_analyzer::visit_edge): New.
3641 (hybrid_folder::value_of_expr): Call PTA.
3642 (hybrid_folder::value_on_edge): Same.
3643 (hybrid_folder::pre_fold_bb): New.
3644 (hybrid_folder::post_fold_bb): New.
3645 (hybrid_folder::pre_fold_stmt): New.
3646 (rvrp_folder::pre_fold_bb): New.
3647 (rvrp_folder::post_fold_bb): New.
3648 (rvrp_folder::pre_fold_stmt): New.
3649 (rvrp_folder::value_of_expr): Call PTA.
3650 (rvrp_folder::value_on_edge): Same.
3652 2021-06-08 Jakub Jelinek <jakub@redhat.com>
3655 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
3656 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
3658 2021-06-08 Richard Biener <rguenther@suse.de>
3660 PR middle-end/100951
3661 * tree-vect-generic.c (expand_vector_piecewise): Build a
3662 VECTOR_CST if all elements are constant.
3663 (expand_vector_condition): Likewise.
3664 (lower_vec_perm): Likewise.
3665 (expand_vector_conversion): Likewise.
3667 2021-06-08 Martin Liska <mliska@suse.cz>
3669 * doc/invoke.texi: Document new param evrp-sparse-threshold.
3671 2021-06-08 Martin Liska <mliska@suse.cz>
3673 * genautomata.c (create_automata): Fix typo.
3675 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
3677 PR tree-optimization/100794
3678 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
3679 allow_unroll_p and only allow unrolling when it's true.
3680 (tree_predictive_commoning): Add parameter allow_unroll_p and
3682 (run_tree_predictive_commoning): Likewise.
3683 (pass_predcom::gate): Check flag_tree_loop_vectorize and
3684 global_options_set.x_flag_predictive_commoning.
3685 (pass_predcom::execute): Adjust for allow_unroll_p.
3687 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
3689 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
3690 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
3691 lambda function cleanup, remove scev_reset call, and adjust return
3693 (tree_predictive_commoning): Adjust for different changed values,
3694 only set flag TODO_update_ssa_only_virtuals if changed.
3695 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
3696 from todo_flags_finish.
3698 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
3700 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
3701 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
3702 (sbr_sparse_bitmap::bitmap_set_quad): New.
3703 (sbr_sparse_bitmap::bitmap_get_quad): New.
3704 (sbr_sparse_bitmap::set_bb_range): New.
3705 (sbr_sparse_bitmap::get_bb_range): New.
3706 (sbr_sparse_bitmap::bb_range_p): New.
3707 (block_range_cache::block_range_cache): initialize bitmap obstack.
3708 (block_range_cache::~block_range_cache): Destruct obstack.
3709 (block_range_cache::set_bb_range): Decide when to utilze the
3710 sparse on entry cache.
3711 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
3712 * params.opt (-param=evrp-sparse-threshold): New.
3714 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
3716 * bitmap.c (bitmap_set_aligned_chunk): New.
3717 (bitmap_get_aligned_chunk): New.
3718 (test_aligned_chunk): New.
3719 (bitmap_c_tests): Call test_aligned_chunk.
3720 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
3722 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
3725 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
3727 (ix86_expand_vector_init_one_nonzero): Ditto.
3728 (ix86_expand_vector_init_one_var): Ditto.
3729 (ix86_expand_vector_init_general): Ditto.
3730 * config/i386/mmx.md (vec_initv4qiqi): New expander.
3732 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
3734 * config/h8300/movepush.md: Change most _clobber_flags
3735 patterns to instead use <cczn> subst.
3736 (movsi_cczn): New pattern with usable CC cases split out.
3737 (movsi_h8sx_cczn): Likewise.
3739 2021-06-07 Martin Liska <mliska@suse.cz>
3741 * common/common-target.def: Split long lines and replace them
3743 * target.def: Likewise.
3744 * doc/tm.texi: Re-generated.
3746 2021-06-07 Jakub Jelinek <jakub@redhat.com>
3749 * fold-const.c (fold_read_from_vector): Return NULL if trying to
3750 read from a CONSTRUCTOR with vector type elements.
3752 2021-06-07 Jakub Jelinek <jakub@redhat.com>
3754 PR middle-end/100898
3755 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
3756 should copy any arguments. Don't call gimple_call_num_args
3757 on id->call_stmt or call_stmt more than once.
3759 2021-06-07 liuhongt <hongtao.liu@intel.com>
3762 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
3764 (<insn>v4siv4di2): Delete constraints for define_expand.
3766 2021-06-07 liuhongt <hongtao.liu@intel.com>
3769 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
3770 assignment of cfun->machine->has_explicit_vzeroupper.
3771 * config/i386/i386-features.c
3772 (ix86_add_reg_usage_to_vzerouppers): Delete.
3773 (ix86_add_reg_usage_to_vzeroupper): Ditto.
3774 (rest_of_handle_insert_vzeroupper): Remove
3775 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
3777 (gate): Remove cfun->machine->has_explicit_vzeroupper.
3778 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
3780 * config/i386/i386.c (ix86_insn_callee_abi): New function.
3781 (ix86_initialize_callee_abi): Ditto.
3782 (ix86_expand_avx_vzeroupper): Ditto.
3783 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
3785 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
3786 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
3788 * config/i386/i386.h (struct GTY(()) machine_function): Delete
3789 has_explicit_vzeroupper.
3790 * config/i386/i386.md (enum unspec): New member
3792 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
3793 define_constants for insn callee abi index.
3794 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
3795 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
3796 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
3797 (*avx_vzeroupper): Rename to ..
3798 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
3799 call_insn which has a special vzeroupper ABI.
3800 (*avx_vzeroupper_1): Deleted.
3802 2021-06-07 liuhongt <hongtao.liu@intel.com>
3805 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
3806 it won't use stack pointer reg.
3807 * final.c (leaf_function_p): When call_insn is a fake call, it
3808 won't affect caller as a leaf function.
3809 * reg-stack.c (callee_clobbers_any_stack_reg): New.
3810 (subst_stack_regs): When call_insn doesn't clobber any stack
3811 reg, don't clear the arguments.
3812 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
3814 * shrink-wrap.c (requires_stack_frame_p): No need for stack
3815 frame for a fake call.
3816 * rtl.h (FAKE_CALL_P): New macro.
3818 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
3820 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
3822 (sparc_order_regs_for_local_alloc): ...this.
3823 (sparc_leaf_reg_remap): Declare.
3824 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
3825 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
3826 * config/sparc/sparc.c (leaf_reg_remap): Delete.
3827 (order_regs_for_local_alloc): Rename to...
3828 (sparc_order_regs_for_local_alloc): ...this.
3829 (sparc_leaf_reg_remap): New function.
3830 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
3832 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
3834 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
3835 Use assemble_name to output BSS section name.
3837 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
3839 * config/i386/constraints.md (Bs):
3840 Remove boolean operators from match_test RTX.
3843 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
3846 2021-06-06 Martin Liska <mliska@suse.cz>
3848 * doc/extend.texi: Add missing @headitem.
3849 * doc/invoke.texi: Likewise.
3850 * doc/objc.texi: Likewise.
3852 2021-06-06 Martin Liska <mliska@suse.cz>
3854 * genhooks.c (emit_findices): Remove unused function.
3855 (emit_documentation): Do not call emit_findices
3856 and do not search for @Fcode directives.
3858 2021-06-06 Martin Liska <mliska@suse.cz>
3860 * doc/invoke.texi: Remove extra character.
3862 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
3864 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
3866 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
3868 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
3869 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
3870 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
3871 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
3873 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
3875 * config/or1k/or1k.md (*movdi): Fix empty split condition.
3877 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
3879 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
3882 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
3884 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
3885 *zero_extendsidi2): Fix empty split condition.
3887 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
3889 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
3891 * config/h8300/bitfield.md: Likewise.
3892 * config/h8300/combiner.md: Likewise.
3893 * config/h8300/divmod.md: Likewise.
3894 * config/h8300/extensions.md: Likewise.
3895 * config/h8300/jumpcall.md: Likewise.
3896 * config/h8300/movepush.md: Likewise.
3897 * config/h8300/multiply.md: Likewise.
3898 * config/h8300/other.md: Likewise.
3899 * config/h8300/shiftrotate.md: Likewise.
3900 * config/h8300/logical.md: Likewise. Fix split pattern to use
3901 code iterator that somehow slipped through.
3903 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
3905 PR middle-end/100905
3906 * tree-nested.c (convert_nonlocal_omp_clauses,
3907 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
3909 2021-06-04 Martin Sebor <msebor@redhat.com>
3911 PR middle-end/100732
3912 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
3913 with either source or destination argument of invalid type.
3914 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
3915 calls with arguments of invalid type.
3917 2021-06-04 Martin Sebor <msebor@redhat.com>
3919 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
3921 (attr_access::vla_bounds): Also handle VLA bounds.
3923 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
3925 * config/i386/predicates.md (GOT_memory_operand):
3926 Implement using match_code RTXes.
3927 (GOT32_symbol_operand): Ditto.
3929 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
3932 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
3934 (ix86_expand_vector_init_general): Ditto.
3935 Use SImode instead of word_mode for logic operations
3936 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
3937 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
3938 implemented by expand_vec_perm_1.
3939 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
3940 should be implemented using standard shuffle patterns.
3941 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
3942 V2HI modes to modes, implementable with shuffle for one operand.
3943 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
3944 (*pshufw_1): New insn pattern.
3945 (*vec_dupv2hi): Ditto.
3946 (vec_initv2hihi): New expander.
3948 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
3950 * config/arm/vfp.md (no_literal_pool_df_immediate,
3951 no_literal_pool_sf_immediate): Fix empty split condition.
3953 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
3955 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
3956 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
3957 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
3958 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
3959 *<sse4_1_avx2>_pblendvb_lt): Likewise.
3961 2021-06-04 Jakub Jelinek <jakub@redhat.com>
3964 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
3965 concatenation from half-sized modes with TImode elements.
3967 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
3969 * config/arc/arc.c (arc_override_options): Disable millicode
3970 thunks when RF16 is on.
3972 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
3974 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
3976 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
3978 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
3979 Replace PROMOTE_MODE marco with its content.
3981 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
3983 * config/cris/cris.md (*addi_reload): Fix empty split condition.
3985 2021-06-03 Jim Wilson <jimw@sifive.com>
3987 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
3988 turn it on for all riscv targets.
3990 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
3993 * config/i386/i386-expand.c (ix86_expand_vector_set):
3994 Handle V2HI and V4QI modes.
3995 (ix86_expand_vector_extract): Ditto.
3996 * config/i386/mmx.md (*pinsrw): New insn pattern.
3999 (*pextrw_zext): Ditto.
4001 (*pextrb_zext): Ditto.
4002 (vec_setv2hi): New expander.
4003 (vec_extractv2hihi): Ditto.
4004 (vec_setv4qi): Ditto.
4005 (vec_extractv4qiqi): Ditto.
4006 (vec_setv8qi): Enable only for TARGET_SSE4_1.
4007 (vec_extractv8qiqi): Ditto.
4009 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
4011 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
4012 order to subf instruction.
4013 * config/rs6000/fusion.md: Regenerate.
4015 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4017 * calls.c (get_size_range): Use range_of_expr instead of
4018 determine_value_range.
4019 * tree-affine.c (expr_to_aff_combination): Same.
4020 * tree-data-ref.c (split_constant_offset): Same.
4021 * tree-vrp.c (determine_value_range_1): Remove.
4022 (determine_value_range): Remove.
4023 * tree-vrp.h (determine_value_range): Remove.
4025 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4027 * function-tests.c (test_ranges): Call gimple_range_tests.
4028 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
4030 * gimple-range.cc (fur_source::get_operand): Do not call
4031 get_tree_range or gimple_range_global.
4033 (get_tree_range): Move to value-query.cc.
4034 Call get_arith_expr_range.
4035 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
4036 Include gimple-range-tests.cc.
4037 * gimple-range.h (fold_range): Add argument.
4038 (get_tree_range): Remove.
4039 * selftest.h (gimple_range_tests): New.
4040 * value-query.cc (global_range_query::range_of_expr): Add
4042 (range_query::get_tree_range): Move from gimple-range.cc.
4043 * value-query.h (class range_query): Add get_tree_range and
4044 get_arith_expr_range. Make fur_source a friend.
4045 * vr-values.c (vr_values::range_of_expr): Pass stmt to
4047 * gimple-range-tests.cc: New file.
4049 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
4051 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
4052 update_global_range.
4053 * value-query.cc (update_global_range): New.
4054 * value-query.h (update_global_range): New.
4056 2021-06-03 David Malcolm <dmalcolm@redhat.com>
4058 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
4059 printing the same location twice if there are fix-it hints,
4060 multiple locations, or a label.
4062 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
4064 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
4065 thresholds to narrow the upper bound on epilogue iterations.
4067 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
4069 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
4070 (mve_vabsq_s<mode>): Likewise.
4071 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
4072 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
4073 * config/arm/vec-common.md (neg<mode>2): Rename to
4074 <absneg_str><mode>2.
4076 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
4078 * common/config/arc/arc-common.c (arc_option_optimization_table):
4080 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
4081 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
4082 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
4083 * config/arc/arc.md (abssi2_mixed): Remove pattern.
4084 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
4085 (malign-call): Likewise.
4086 (mmixed-code): Likewise.
4087 * doc/invoke.texi (ARC): Update doc.
4089 2021-06-03 Martin Liska <mliska@suse.cz>
4091 * common.opt: Use proper Enum values.
4092 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
4093 (parse_sanitizer_options): Handle only sanitizer_opts.
4094 (common_handle_option): Just assign value.
4096 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4099 * tree-inline.c (inline_forbidden_p): Remove test on return type.
4101 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4103 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
4104 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
4105 (type_byte_size): Inline into...
4106 (add_byte_size_attribute): ...this and call add_scalar_info.
4108 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4110 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
4111 (typed_binop_from_tree): New function.
4112 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
4113 turn a divide by a power of 2 into a shift.
4114 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
4115 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
4116 typed divide by calling typed_binop_from_tree.
4118 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
4120 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
4121 (is_handled_procedure_type): Likewise.
4122 (struct loc_descr_context): Add strict_signedness field.
4123 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
4124 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
4125 (resolve_args_picking): Minor tweak.
4126 (function_to_dwarf_procedure): Initialize strict_signedness field.
4127 (type_byte_size): Likewise.
4128 (field_byte_offset): Likewise.
4129 (gen_descr_array_type_die): Likewise.
4130 (gen_variant_part): Likewise.
4131 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
4132 to true when a context is present before evaluating the arguments.
4133 <COND_EXPR>: Do not generate a useless comparison with zero.
4134 When dereferencing an address, if strict_signedness is true and the
4135 type is small and signed, use DW_OP_deref_type to do the dereference
4136 and then DW_OP_convert to convert back to the generic type.
4138 2021-06-03 Jakub Jelinek <jakub@redhat.com>
4141 * tree-inline.c (copy_tree_body_r): Handle iterators on
4142 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
4144 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
4146 * config/arc/arc.md (*bbit_di): Remove.
4148 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
4150 PR rtl-optimization/100264
4151 * ree.c (get_sub_rtx): Ignore SET expressions without register
4152 destinations and remove assertion, as it is not valid anymore
4153 with this new behaviour.
4154 (merge_def_and_ext): Eliminate destination check for register
4155 as such SET expressions can't occur anymore.
4156 (combine_reaching_defs): Likewise.
4158 2021-06-02 Jakub Jelinek <jakub@redhat.com>
4161 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
4162 -Wtype-limits warnings.
4163 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
4164 in operands to avoid -Wsign-compare warnings.
4166 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
4168 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
4171 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
4173 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
4175 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
4177 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
4179 * config/s390/subst.md(cconly_subst): Use a single constraint
4182 2021-06-02 Martin Liska <mliska@suse.cz>
4184 * ipa-icf.h: Use auto_vec for memory_access_types.
4186 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
4188 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
4189 argument from prototype.
4190 (output_logical_op): Add rtx_code argument.
4191 (compute_logical_op_length): Likewise.
4192 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
4193 to compute_a_shift_length.
4194 (output_logical_op); New argument with the rtx code rather than
4195 extracting it from an operand. Handle QImode too.
4196 (compute_logical_op_length): Similary.
4197 (compute_a_shift_length): Drop unused argument.
4198 * config/h8300/h8300.md (logicals): New code iterator.
4199 * config/h8300/logical.md (<code><mode>3 expander): Combine
4200 the "and" expander with the "ior"/"xor" expander.
4201 (bclr<mode>msx): Combine the QI/HI mode patterns.
4202 (<logical><mode>3 insns): Use code iterator rather than match_operator.
4203 Handle QImode as well. Update call to output_logical_op and
4204 compute_logical_op_length to pass in rtx_code
4205 Fix split condition on all define_insn_and_split patterns.
4206 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
4207 the flags and setting ZN via existing define_subst.
4208 * config/h8300/shiftrotate.md: Drop unused argument from
4209 calls to compute_a_shift_length.
4210 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
4212 2021-06-01 Andrew Pinski <apinski@marvell.com>
4214 PR tree-optimization/25290
4215 * tree-ssa-phiopt.c (match_simplify_replacement):
4217 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
4218 (two_value_replacement): Change the comment about
4219 conditional_replacement.
4220 (conditional_replacement): Delete.
4222 2021-06-01 Andrew Pinski <apinski@marvell.com>
4224 PR tree-optimization/95481
4225 * tree-tailcall.c (find_tail_calls): Handle empty typed
4228 2021-06-01 Andrew Pinski <apinski@marvell.com>
4230 * gimplify.c (zero_sized_field_decl): Delete
4231 (zero_sized_type): Delete
4232 (gimplify_init_ctor_eval): Use is_empty_type instead
4233 of zero_sized_field_decl.
4234 (gimplify_modify_expr): Use is_empty_type instead of
4237 2021-06-01 Jason Merrill <jason@redhat.com>
4240 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
4242 2021-06-01 Jason Merrill <jason@redhat.com>
4245 * diagnostic.h (warning_enabled_at): Declare.
4246 * diagnostic.c (diagnostic_enabled): Factor out from...
4247 (diagnostic_report_diagnostic): ...here.
4248 (warning_enabled_at): New.
4250 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
4252 * gimple-ssa-evrp.c: Enable exporting of global ranges.
4254 2021-06-01 Martin Liska <mliska@suse.cz>
4257 * doc/invoke.texi: Mention that -fgcse-after-reload
4258 is enabled with -O3.
4260 2021-06-01 liuhongt <hongtao.liu@intel.com>
4262 PR tree-optimization/98365
4263 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
4264 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
4265 (convert_scalar_cond_reduction): Ditto.
4266 (predicate_scalar_phi): Ditto.
4268 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4270 PR tree-optimization/100781
4271 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
4272 value calculation by default.
4273 (ranger_cache::enable_new_values): New.
4274 (ranger_cache::disable_new_values): New.
4275 (ranger_cache::push_poor_value): Check if new values are allowed.
4276 * gimple-range-cache.h (class ranger_cache): New member/methods.
4277 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
4278 statement, and disable/renable new value calculation.
4280 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4282 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
4283 (ranger_cache::range_of_def): New.
4284 (ranger_cache::entry_range): New.
4285 (ranger_cache::exit_range): New.
4286 (ranger_cache::range_of_expr): Adjust.
4287 (ranger_cache::range_on_edge): Adjust.
4288 (ranger_cache::propagate_cache): Call exit_range directly.
4289 * gimple-range-cache.h (class ranger_cache): Adjust.
4291 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4293 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
4294 gori_compute being a member rather than base class.
4295 dervied call to member call.
4296 (ranger_cache::dump): No longer dump gori_map.
4297 (ranger_cache::dump_bb): New.
4298 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
4299 being a member rather than base class.
4300 (ranger_cache::set_global_range): Ditto.
4301 (ranger_cache::ssa_range_in_bb): Ditto.
4302 (ranger_cache::range_of_expr): New.
4303 (ranger_cache::range_on_edge): New.
4304 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
4305 (ranger_cache::propagate_cache): Adjust debugging output.
4306 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
4308 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
4309 member, and inherit from range_query instead.
4310 (ranger_cache::dump_bb): New. split from dump.
4311 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
4312 (gori_compute::expr_range_at_stmt): Delete.
4313 (gori_compute::compute_name_range_op): Delete.
4314 (gori_compute::compute_operand_range_switch): Add fur_source.
4315 (gori_compute::compute_operand_range): Add fur_source param, inline
4316 old compute_name_range_op and optimize_logical_operands.
4317 (struct tf_range): Delete.
4318 (gori_compute::logical_combine): Adjust
4319 (gori_compute::optimize_logical_operands): Delete.
4320 (gori_compute::compute_logical_operands_in_chain): Delete.
4321 (gori_compute::compute_logical_operands): Adjust.
4322 (gori_compute::compute_operand1_range): Adjust to fur_source.
4323 (gori_compute::compute_operand2_range): Ditto.
4324 (gori_compute::compute_operand1_and_operand2_range): Ditto.
4325 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
4326 and adjust to fur_source.
4327 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
4328 range_query and fur_source.
4329 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
4330 from the ranger_cache..
4331 (gimple_ranger::fold_range_internal): Adjust to base class change of
4333 (gimple_ranger::dump_bb): Adjust dump.
4334 * gimple-range.h (gimple_ranger):export gori computes object.
4336 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
4338 PR tree-optimization/100774
4339 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
4340 Constant values are also not stale.
4341 (ranger_cache::set_global_range): Range invariant values should also
4342 have the correct timestamp.
4344 2021-05-31 Martin Liska <mliska@suse.cz>
4346 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
4347 Unpack FUNCTION_DECL_DECL_TYPE.
4348 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
4349 Stream FUNCTION_DECL_DECL_TYPE instead of
4350 DECL_IS_OPERATOR_NEW_P.
4351 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
4353 (DECL_IS_OPERATOR_NEW_P): Likewise.
4354 (DECL_IS_OPERATOR_DELETE_P): Likewise.
4355 (DECL_LAMBDA_FUNCTION_P): Likewise.
4357 2021-05-31 Richard Biener <rguenther@suse.de>
4360 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
4361 * internal-fn.def (SHUFFLEVECTOR): New.
4362 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
4363 * doc/extend.texi: Document __builtin_shufflevector.
4365 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
4368 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
4369 indexed form addresses.
4371 2021-05-29 Jeff Law <jlaw@tachyum.com>
4373 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
4374 parameter. Call callers fixed.
4376 (output_plussi): Add FALLTHRU markers.
4377 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
4379 2021-05-29 Jakub Jelinek <jakub@redhat.com>
4382 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
4383 combined with parallel, make sure to add shared clause to
4384 parallel for explicit linear clause.
4386 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
4388 PR tree-optimization/100787
4389 * gimple-ssa-evrp.c: Disable exporting of global ranges.
4391 2021-05-28 Jason Merrill <jason@redhat.com>
4393 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
4394 operator--, operator*, operator==, and operator!=.
4395 (class tsi_range): New.
4397 2021-05-28 Richard Biener <rguenther@suse.de>
4399 PR tree-optimization/100778
4400 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
4401 trapping ops in different BBs.
4403 2021-05-28 Richard Biener <rguenther@suse.de>
4406 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
4407 copy fntype from original call.
4409 2021-05-28 Martin Liska <mliska@suse.cz>
4411 PR gcov-profile/100751
4412 * doc/gcov.texi: Revert partially a hunk that was wrong.
4414 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
4416 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
4418 (HAVE_sync_compare_and_swaphi): Likewise.
4419 (HAVE_sync_compare_and_swapsi): Likewise.
4421 2021-05-28 Jakub Jelinek <jakub@redhat.com>
4424 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
4426 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
4428 * gimplify.c (gimplify_omp_affinity): New.
4429 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
4430 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
4431 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
4432 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
4433 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
4435 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
4436 Richard Biener <rguenther@suse.de>
4438 * match.pd <popcount & / + pattern matching>:
4439 When generating popcount directly fails, try doing it in two halves.
4441 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
4443 * Makefile.in (generated_files): Add gimple-match.c and
4446 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
4448 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
4450 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
4452 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
4454 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
4456 PR tree-optimization/99398
4457 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
4458 where the fed operands are CTOR/CST and propagated through
4459 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
4460 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
4462 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
4465 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
4467 * config/i386/mmx.md (addv2sf3): Do not call
4468 ix86_fixup_binary_operands_no_copy.
4471 (<smaxmin:code>v2sf3): Ditto.
4472 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
4473 (<plusminus:insn><VI_32:mode>3): Remove expander.
4474 (<plusminus:insn><VI_32:mode>3): Rename from
4475 "*<plusminus:insn><VI_32:mode>3".
4476 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
4477 (mulv2hi3): Remove expander.
4478 (mulv2hi3): Rename from *mulv2hi3.
4479 (<s>mulv2hi3_highpart): Remove expander.
4480 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
4481 (<smaxmin:code><MMXMODE14:mode>3): Rename from
4482 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
4483 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
4484 (SMAXMIN_MMXMODEI): Remove mode iterator.
4485 (<smaxmin:code>v4hi3): New expander.
4486 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
4487 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
4488 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
4489 (SMAXMIN_VI_32): Remove mode iterator.
4490 (<umaxmin:code><MMXMODE24:mode>3): Rename from
4491 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
4492 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
4493 (UMAXMIN_MMXMODEI): Remove mode iterator.
4494 (<umaxmin:code>v8qi3): New expander.
4495 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
4496 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
4497 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
4498 (UMAXMIN_VI_32): Remove mode iterator.
4499 (<any_shift:insn>v2hi3): Remove expander.
4500 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
4501 (<any_logic:code><MMXMODEI:mode>3): Do not call
4502 ix86_fixup_binary_operands_no_copy.
4503 (<any_logic:code><VI_32:mode>3): Remove expander.
4504 (<any_logic:code><VI_32:mode>3): Rename from
4505 "*<any_logic:code><VI_32:mode>3".
4506 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
4507 * config/i386/sse.md (div<VF2:mode>3): Do not call
4508 ix86_fixup_binary_operands_no_copy.
4509 (div<VF1:mode>3): Ditto.
4510 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
4511 (smulhrsv4hi3): Ditto.
4512 (smulhrsv2hi3): Ditto.
4514 2021-05-27 Martin Sebor <msebor@redhat.com>
4516 * ggc.h (gt_ggc_mx): Add overloads for all integers.
4518 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
4520 (hash_map::operator==): New function.
4522 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
4525 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
4526 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
4527 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
4528 (*xop_maskcmp<VI_32:mode>3): Ditto.
4529 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
4530 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
4532 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
4535 * config/arm/arm.c (arm_configure_build_target): Remove parameter
4536 opts_set, directly check opts parameters for being non-null.
4537 (arm_option_restore): Update call to arm_configure_build_target.
4538 (arm_option_override): Likewise.
4539 (arm_can_inline_p): Likewise.
4540 (arm_valid_target_attribute_tree): Likewise.
4541 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
4542 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
4545 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
4547 * vr-values.c (simplify_conversion_using_ranges): Use
4548 get_range_query instead of get_global_range_query.
4550 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
4552 * gimple-range.cc (get_range_global): Move to value-query.cc.
4553 (gimple_range_global): Same.
4554 (get_global_range_query): Same.
4555 (global_range_query::range_of_expr): Same.
4556 * gimple-range.h (class global_range_query): Move to
4558 (gimple_range_global): Same.
4559 * tree-ssanames.c (get_range_info): Move to value-query.cc.
4560 (get_ptr_nonnull): Same.
4561 * tree-ssanames.h (get_range_info): Remove.
4562 (get_ptr_nonnull): Remove.
4563 * value-query.cc (get_ssa_name_range_info): Move from
4565 (get_ssa_name_ptr_info_nonnull): Same.
4566 (get_range_global): Move from gimple-range.cc.
4567 (gimple_range_global): Same.
4568 (get_global_range_query): Same.
4569 (global_range_query::range_of_expr): Same.
4570 * value-query.h (class global_range_query): Move from
4572 (gimple_range_global): Same.
4574 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
4577 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
4578 (uavgv2hi3_ceil): Ditto.
4580 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
4583 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
4585 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4587 * tree-ssanames.c (get_range_info): Merge both copies of
4588 get_range_info into one that works with irange.
4589 * tree-ssanames.h (get_range_info): Remove version that works on
4592 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4594 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
4595 (expand_builtin_strnlen): Same.
4596 (determine_block_size): Same.
4597 * fold-const.c (expr_not_equal_to): Same.
4598 * gimple-fold.c (size_must_be_zero_p): Same.
4599 * gimple-match-head.c: Include gimple-range.h.
4600 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
4601 * gimple-ssa-warn-restrict.c
4602 (builtin_memref::extend_offset_range): Same.
4603 * graphite-sese-to-poly.c (add_param_constraints): Same.
4604 * internal-fn.c (get_min_precision): Same.
4605 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
4606 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
4608 * tree-data-ref.c (split_constant_offset): Same.
4609 (dr_step_indicator): Same.
4610 * tree-dfa.c (get_ref_base_and_extent): Same.
4611 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
4612 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
4613 (determine_value_range): Same.
4614 (record_nonwrapping_iv): Same.
4615 (infer_loop_bounds_from_signedness): Same.
4616 (scev_var_range_cant_overflow): Same.
4617 * tree-ssa-phiopt.c (two_value_replacement): Same.
4618 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
4619 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
4620 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
4622 (dump_strlen_info): Same.
4623 (set_strlen_range): Same.
4624 (maybe_diag_stxncpy_trunc): Same.
4625 (get_len_or_size): Same.
4626 (handle_integral_assign): Same.
4627 * tree-ssa-structalias.c (find_what_p_points_to): Same.
4628 * tree-ssa-uninit.c (find_var_cmp_const): Same.
4629 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
4630 * tree-vect-patterns.c (vect_get_range_info): Same.
4631 (vect_recog_divmod_pattern): Same.
4632 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
4633 (register_edge_assert_for_2): Same.
4634 (determine_value_range_1): Same.
4635 * tree.c (get_range_pos_neg): Same.
4636 * vr-values.c (vr_values::get_lattice_entry): Same.
4637 (vr_values::update_value_range): Same.
4638 (simplify_conversion_using_ranges): Same.
4640 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4642 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
4643 get_range_query instead of query argument.
4644 (pass_walloca::execute): Enable and disable global ranger.
4646 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4648 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
4650 (rvrp_folder::~rvrp_folder): Call disable_ranger.
4651 (hybrid_folder::hybrid_folder): Call enable_ranger.
4652 (hybrid_folder::~hybrid_folder): Call disable_ranger.
4654 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
4656 * function.c (allocate_struct_function): Set cfun->x_range_query.
4657 * function.h (struct function): Declare x_range_query.
4658 (get_range_query): New.
4659 (get_global_range_query): New.
4660 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
4661 Remove call to safe_grow_cleared.
4662 * gimple-range.cc (get_range_global): New.
4663 (gimple_range_global): Move from gimple-range.h.
4664 (get_global_range_query): New.
4665 (global_range_query::range_of_expr): New.
4666 (enable_ranger): New.
4667 (disable_ranger): New.
4668 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
4669 (class global_range_query): New.
4670 (enable_ranger): New.
4671 (disable_ranger): New.
4672 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
4673 dump_all_value_ranges to dump.
4674 * tree-vrp.c (vrp_prop::finalize): Same.
4675 * value-query.cc (range_query::dump): New.
4676 * value-query.h (range_query::dump): New.
4677 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
4678 (vr_values::dump): ...this.
4679 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
4680 dump and make virtual.
4682 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
4684 * config/i386/i386.c (ix86_autovectorize_vector_modes):
4685 Add V4QImode and V16QImode for TARGET_SSE2.
4686 * doc/sourcebuild.texi (Vector-specific attributes):
4687 Add vect64 and vect32 description.
4689 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
4691 * gimple-range-gori.cc (range_def_chain::register_dependency):
4692 Resize m_def_chain when needed.
4694 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
4696 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
4697 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
4698 * config/arm/vec-common.md: .. here. Add support for MVE.
4700 2021-05-26 Jakub Jelinek <jakub@redhat.com>
4702 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
4704 * config/microblaze/microblaze.c (microblaze_legitimize_address,
4706 microblaze_option_override, print_operand): Likewise.
4707 * config/microblaze/microblaze.md (call_internal_plt,
4708 call_value_intern_plt, call_value_intern): Likewise.
4709 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
4710 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
4711 call_value_multiple_internal1): Likewise.
4712 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
4714 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4716 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
4717 arc_ccfsm_advance, symbolic_reference_mentioned_p,
4718 arc_raw_symbolic_reference_mentioned_p): Remove register
4721 2021-05-26 Jakub Jelinek <jakub@redhat.com>
4724 * omp-low.c: Include omp-offload.h.
4725 (create_omp_child_function): If current_function_decl has
4726 "omp declare target" attribute and is_gimple_omp_offloaded,
4727 remove that attribute from the copy of attribute list and
4728 add "omp target entrypoint" attribute instead.
4729 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
4730 variables for offloading if in omp_maybe_offloaded_ctx.
4731 * omp-offload.c (pass_omp_target_link::execute): Nullify second
4732 argument to GOMP_target_data_ext in offloaded code.
4734 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
4736 * config/csky/csky.c (csky_can_change_mode_class): Delete.
4737 For csky, HF/SF mode use the low bits of VREGS.
4739 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
4741 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
4742 DECL which is a reference for OMP.
4744 2021-05-26 Martin Liska <mliska@suse.cz>
4746 PR gcov-profile/100751
4747 * doc/gcov.texi: Document that __gcov_dump can be called just
4748 once and that __gcov_reset resets run-time counters.
4750 2021-05-26 Martin Liska <mliska@suse.cz>
4752 * doc/install.texi: Port relevant part from install-old.texi
4753 and re-generate list of CPUs and systems.
4755 2021-05-26 Martin Liska <mliska@suse.cz>
4757 * Makefile.in: Remove it.
4758 * doc/include/fdl.texi: Update next/previous chapters.
4759 * doc/install.texi: Likewise.
4760 * doc/install-old.texi: Removed.
4762 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
4764 * config/csky/csky.c (ck810_legitimate_index_p): Support
4765 "base + index" with DF mode.
4766 * config/csky/constraints.md ("Y"): New constraint for memory operands
4767 without index register.
4768 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
4769 when mov between memory and general registers, and lower their priority.
4770 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
4772 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
4774 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
4776 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
4778 * config/csky/csky.md (untyped_call): Emit clobber for return
4779 registers to mark them used.
4781 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
4783 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
4785 2021-05-26 Andrew Pinski <apinski@marvell.com>
4787 * match.pd (x < 0 ? ~y : y): New patterns.
4789 2021-05-26 Andrew Pinski <apinski@marvell.com>
4791 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
4792 A?POW2:0 and A?0:POW2.
4794 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
4796 * gimple-range-gori.cc (class logical_stmt_cache): Delete
4797 (logical_stmt_cache::logical_stmt_cache ): Delete.
4798 (logical_stmt_cache::~logical_stmt_cache): Delete.
4799 (logical_stmt_cache::cache_entry::dump): Delete.
4800 (logical_stmt_cache::get_range): Delete.
4801 (logical_stmt_cache::cached_name ): Delete.
4802 (logical_stmt_cache::same_cached_name): Delete.
4803 (logical_stmt_cache::cacheable_p): Delete.
4804 (logical_stmt_cache::slot_diagnostics ): Delete.
4805 (logical_stmt_cache::dump): Delete.
4806 (gori_compute_cache::gori_compute_cache): Delete.
4807 (gori_compute_cache::~gori_compute_cache): Delete.
4808 (gori_compute_cache::compute_operand_range): Delete.
4809 (gori_compute_cache::cache_stmt): Delete.
4810 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
4812 (class gori_compute_cache): Delete.
4814 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
4816 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
4818 (fold_using_range::range_of_address): Adjust.
4819 (fold_using_range::range_of_phi): Adjust.
4820 * gimple-range.h (class fur_source): Adjust.
4821 (fur_source::fur_source): Adjust.
4823 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
4825 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
4826 from expr_range_in_bb and adjust.
4827 (gori_compute::compute_name_range_op): Adjust.
4828 (gori_compute::optimize_logical_operands): Adjust.
4829 (gori_compute::compute_logical_operands_in_chain): Adjust.
4830 (gori_compute::compute_operand1_range): Adjust.
4831 (gori_compute::compute_operand2_range): Adjust.
4832 (ori_compute_cache::cache_stmt): Adjust.
4833 * gimple-range-gori.h (gori_compute): Rename prototype.
4835 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
4837 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
4838 checked only after range_of_stmt, not range_on_entry.
4839 (gimple_ranger::range_on_entry): Check for non-null in any
4840 predecessor block, if it is not already non-null.
4841 (gimple_ranger::range_on_exit): DOnt check for non-null after
4842 range on entry call.
4843 (gimple_ranger::dump_bb): New. Split from dump.
4844 (gimple_ranger::dump): Adjust.
4845 * gimple-range.h (class gimple_ranger): Adjust.
4847 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
4849 * gimple-range-cache.cc (struct range_timestamp): Delete.
4850 (class temporal_cache): Adjust.
4851 (temporal_cache::get_timestamp): Delete.
4852 (temporal_cache::set_dependency): Delete.
4853 (temporal_cache::temporal_value): Adjust.
4854 (temporal_cache::current_p): Take dependencies as params.
4855 (temporal_cache::set_timestamp): Adjust.
4856 (temporal_cache::set_always_current): Adjust.
4857 (ranger_cache::get_non_stale_global_range): Adjust.
4858 (ranger_cache::register_dependency): Delete.
4859 * gimple-range-cache.h (class range_cache): Adjust.
4861 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
4863 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
4865 (range_def_chain::~range_def_chain): Dispose of obstack rather than
4866 each individual bitmap.
4867 (range_def_chain::set_import): New.
4868 (range_def_chain::get_imports): New.
4869 (range_def_chain::chain_import_p): New.
4870 (range_def_chain::register_dependency): Rename from build_def_chain
4872 (range_def_chain::def_chain_in_bitmap_p): New.
4873 (range_def_chain::add_def_chain_to_bitmap): New.
4874 (range_def_chain::has_def_chain): Just check first depenedence.
4875 (range_def_chain::get_def_chain): Process imports, use generic
4876 register_dependency routine.
4877 (range_def_chain::dump): New.
4878 (gori_map::gori_map): Allocate import list.
4879 (gori_map::~gori_map): Release imports.
4880 (gori_map::exports): Check for past allocated block size.
4881 (gori_map::imports): New.
4882 (gori_map::def_chain_in_export_p): Delete.
4883 (gori_map::is_import_p): New.
4884 (gori_map::maybe_add_gori): Handle imports.
4885 (gori_map::dump): Adjust output, add imports.
4886 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
4887 (gori_export_iterator::gori_export_iterator): New.
4888 (gori_export_iterator::next): New.
4889 (gori_export_iterator::get_name): New.
4890 * gimple-range-gori.h (range_def_chain): Add imports and direct
4891 dependecies via struct rdc.
4892 (range_def_chain::depend1): New.
4893 (range_def_chain::depend2): New.
4894 (class gori_map): Adjust.
4895 (FOR_EACH_GORI_IMPORT_NAME): New.
4896 (FOR_EACH_GORI_EXPORT_NAME): New.
4897 (class gori_export_iterator): New.
4899 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
4901 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
4902 export cache filling to here.
4903 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
4905 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
4907 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
4908 (gori_map): Move to gimple-range-gori.h.
4909 (gori_compute::gori_compute): Adjust.
4910 (gori_compute::~gori_compute): Delete.
4911 (gori_compute::compute_operand_range_switch): Adjust.
4912 (gori_compute::compute_operand_range): Adjust.
4913 (gori_compute::compute_logical_operands): Adjust.
4914 (gori_compute::has_edge_range_p ): Adjust.
4915 (gori_compute::set_range_invariant): Delete.
4916 (gori_compute::dump): Adjust.
4917 (gori_compute::outgoing_edge_range_p): Adjust.
4918 * gimple-range-gori.h (class range_def_chain): Relocate here.
4919 (class gori_map): Relocate here.
4920 (class gori_compute): Inherit from gori_map, and adjust.
4922 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
4924 * value-range.cc (range_tests_legacy): Use
4925 build_nonstandard_integer_type instead of int and short.
4927 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
4929 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
4930 when really creating an initialization statement for it.
4932 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
4934 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
4936 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
4938 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
4940 2021-05-25 Martin Liska <mliska@suse.cz>
4942 PR tree-optimization/92860
4944 * optc-save-gen.awk: Remove exceptions.
4946 2021-05-25 Martin Liska <mliska@suse.cz>
4948 * asan.h (sanitize_coverage_p): New function.
4949 * doc/extend.texi: Document it.
4950 * fold-const.c (fold_range_test): Use sanitize_flags_p
4951 instead of flag_sanitize_coverage.
4952 (fold_truth_andor): Likewise.
4953 * sancov.c: Likewise.
4954 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
4955 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
4956 -fsanitize-coverage when inlining.
4958 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
4960 * config/csky/csky-modes.def : Fix copyright.
4962 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
4964 * config/csky/csky-modes.def : Amend copyright.
4965 * config/csky/csky_insn_fpuv2.md : Likewise.
4966 * config/csky/csky_insn_fpuv3.md : Likewise.
4968 2021-05-25 Richard Biener <rguenther@suse.de>
4970 PR middle-end/100727
4971 * calls.c (initialize_argument_information): Explicitely test
4973 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
4975 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
4977 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
4978 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
4979 the signle definition. The signle definition may not work well
4980 at simplify_subreg_regno().
4981 (HARD_FRAME_POINTER_REGNUM): New.
4982 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
4983 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
4984 csky_initial_elimination_offset, csky_expand_prologue,
4985 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
4987 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
4989 * config/csky/csky.c (csky_option_override):
4990 Init csky_arch_isa_features[] in advance, so TARGET_DSP
4991 and TARGET_DIV can be set well.
4993 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
4995 * config/csky/constraints.md ("l", "h"): Delete.
4996 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
4997 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
4998 * config/csky/csky.c (regno_reg_classm,
4999 csky_secondary_reload, csky_register_move_cost):
5000 Use HILO_REGS instead of LO_REGS and HI_REGS.
5002 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
5004 * config/csky/constraints.md ("W"): New constriant for mem operand
5005 with base reg, index register.
5006 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
5007 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
5009 ("Dv"): New constraint for const double value that can be used at
5011 * config/csky/csky-modes.def (HFmode): New mode.
5012 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
5013 to "csky_valid_mem_constraint_operand" and support new constraint
5015 (csky_get_movedouble_length): New.
5016 (fpuv3_output_move): New.
5017 (fpuv3_const_double): New.
5018 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
5019 (decompose_csky_address): Refine.
5020 (csky_print_operand): New "CONST_DOUBLE" operand.
5021 (csky_output_move): Support fpv3 instructions.
5022 (csky_get_movedouble_length): New.
5023 (fpuv3_output_move): New.
5024 (fpuv3_const_double): New.
5025 (csky_emit_compare): Cover float comparsion.
5026 (csky_emit_compare_float): Refine.
5027 (csky_vaild_fpuv2_mem_operand): Rename to
5028 "csky_valid_mem_constraint_operand" and support new constraint "W".
5029 (ck860_rtx_costs): New.
5030 (csky_rtx_costs): Add the cost calculation of CK860.
5031 (regno_reg_class): New vregs for fpuv3.
5032 (csky_dbx_regno): Likewise.
5033 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
5034 (csky_conditional_register_usage): Suporrot fpuv3.
5035 (csky_dwarf_register_span): Suporrot fpuv3.
5036 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
5037 (ck810_legitimate_index_p): Support fp16.
5038 * config/csky/csky.h (TARGET_TLS): ADD CK860.
5039 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
5040 (TARGET_SINGLE_FPU): Support fpuv3.
5041 (TARGET_SUPPORT_FPV3): New.
5042 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
5043 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
5044 REG_CLASS_CONTENTS): Support fpuv3.
5045 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
5046 (csky_movsf_fpv2): Likewise.
5047 (ck801_movsf): Likewise.
5048 (csky_movsf): Likewise.
5050 (csky_movdf_fpv2): Likewise.
5051 (ck801_movdf): Likewise.
5052 (csky_movdf): Likewise.
5053 (movsicc): Refine. Use "comparison_operatior" instead of
5054 "ordered_comparison_operatior".
5055 (addsicc): Likewise.
5056 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
5057 (call_value_internal_vh): New.
5058 * config/csky/csky_cores.def (CK860): New arch and cpu.
5063 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
5064 into emit-patterns and match-patterns, remain the emit-patterns here,
5065 and move the match-patterns to csky_insn_fpuv2.md or
5067 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
5068 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
5070 * config/csky/csky_isa.def (fcr): New.
5075 (CK860): New definition for ck860.
5076 * config/csky/csky_tables.opt (ck860): New processors ck860,
5077 ck860f. And new arch ck860.
5082 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
5083 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
5084 * config/csky/t-csky-elf: Support 860.
5085 * config/csky/t-csky-linux: Likewise.
5086 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
5088 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
5090 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
5091 add generation of logical-add and add-logical fusion pairs.
5092 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
5094 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
5095 logical-add and add-logical fusion by default.
5096 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
5097 -mpower10-fusion-add-logical options.
5098 * config/rs6000/fusion.md: Regenerate file.
5100 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
5102 * value-range.cc (irange::legacy_equal_p): Check type when
5103 comparing VR_VARYING types.
5104 (range_tests_legacy): Test comparing VARYING ranges of different
5107 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
5109 * config/aarch64/aarch64.c (neoversen1_tunings):
5110 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
5112 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
5114 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
5115 extern weak symbols. Limit symbol offsets for non-GOT symbols with
5118 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
5120 * config/arm/neon.md (vec_load_lanesxi<mode>)
5121 (vec_store_lanexoi<mode>): Move ...
5122 * config/arm/vec-common.md: here.
5124 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
5126 * config/arm/neon.md (vec_load_lanesoi<mode>)
5127 (vec_store_lanesoi<mode>): Move ...
5128 * config/arm/vec-common.md: here.
5130 2021-05-24 liuhongt <hongtao.liu@intel.com>
5133 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
5134 stmt with GIMPLE_NOP when lhs doesn't exist.
5136 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
5139 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
5140 New instruction pattern.
5141 (*push<VI_32:mode>2): Ditto.
5142 (push splitter for SSE registers): New splitter.
5144 2021-05-23 Andrew Pinski <apinski@marvell.com>
5146 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
5148 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
5150 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
5151 * config/rs6000/fusion.md: Regenerate file.
5153 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
5155 * config/rs6000/genfusion.pl (gen_addadd): New function.
5156 * config/rs6000/fusion.md: Regenerate file.
5157 * config/rs6000/rs6000-cpus.def: Add
5158 OPTION_MASK_P10_FUSION_2ADD to masks.
5159 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5160 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
5161 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
5163 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5166 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
5167 * gimplify.c (enum gimplify_omp_var_data): Fix up
5168 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
5169 (omp_lastprivate_for_combined_outer_constructs): If combined target
5170 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
5171 GOVD_MAP | GOVD_SEEN.
5172 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
5173 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
5174 (gimplify_adjust_omp_clauses): For firstprivate clauses with
5175 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
5176 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
5177 let it be replaced by implicit map clause.
5179 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5182 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
5184 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
5185 (gimplify_omp_for): Likewise.
5187 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5190 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
5191 'external' in blocks.
5193 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5196 * flag-types.h (enum openacc_privatization): New.
5197 * params.opt (-param=openacc-privatization): New.
5198 * doc/invoke.texi (openacc-privatization): Document it.
5199 * omp-general.h (get_openacc_privatization_dump_flags): New
5201 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
5202 * omp-offload.c (execute_oacc_device_lower)
5203 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
5204 * target.def (goacc.adjust_private_decl): Add 'location_t'
5206 * doc/tm.texi: Regenerate.
5207 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
5208 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
5209 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
5210 Likewise. Preserve it for...
5211 (nvptx_goacc_expand_var_decl): ... use here.
5213 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5215 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
5218 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5221 * omp-low.c (oacc_privatization_candidate_p): New function.
5222 (oacc_privatization_scan_clause_chain)
5223 (oacc_privatization_scan_decl_chain): Use it. Also
5224 'gcc_checking_assert' that we're not seeing duplicates.
5226 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5229 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
5232 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5235 * omp-offload.c (execute_oacc_device_lower): Explain.
5237 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5240 * omp-offload.c (execute_oacc_device_lower)
5241 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
5243 * internal-fn.c (expand_UNIQUE): Don't expect
5244 'IFN_UNIQUE_OACC_PRIVATE'.
5246 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5249 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
5251 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
5254 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
5255 (nvptx_goacc_expand_var_decl): Tighten.
5257 2021-05-21 Julian Brown <julian@codesourcery.com>
5258 Chung-Lin Tang <cltang@codesourcery.com>
5259 Thomas Schwinge <thomas@codesourcery.com>
5262 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
5263 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
5264 * doc/tm.texi: Regenerate.
5265 * expr.c (expand_expr_real_1): Expand decls using the
5266 expand_var_decl OpenACC hook if defined.
5267 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
5268 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
5269 * omp-low.c (omp_context): Add oacc_privatization_candidates
5271 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
5273 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
5274 private marker's gimple call arguments, and pass it to
5275 lower_oacc_reductions.
5276 (oacc_privatization_scan_clause_chain)
5277 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
5279 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
5280 * omp-offload.c (convert.h): Include.
5281 (oacc_loop_xform_head_tail): Treat private-variable markers like
5282 fork/join when transforming head/tail sequences.
5283 (struct var_decl_rewrite_info): Add struct.
5284 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
5285 (execute_oacc_device_lower): Support rewriting gang-private
5286 variables using target hook, and fix up addr_expr and var_decl
5288 * target.def (adjust_private_decl, expand_var_decl): New hooks.
5289 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
5291 (gcn_goacc_adjust_private_decl): ...this.
5292 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
5294 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
5295 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
5296 definition using gcn_goacc_adjust_gangprivate_decl...
5297 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
5298 gcn_goacc_adjust_private_decl.
5299 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
5300 (gang_private_shared_size): New global variable.
5301 (gang_private_shared_align): Likewise.
5302 (gang_private_shared_sym): Likewise.
5303 (gang_private_shared_hmap): Likewise.
5304 (nvptx_option_override): Initialize these.
5305 (nvptx_file_end): Output gang_private_shared_sym.
5306 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
5308 (nvptx_set_current_function): Clear gang_private_shared_hmap.
5309 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
5310 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
5312 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
5314 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
5316 2021-05-21 Richard Biener <rguenther@suse.de>
5317 H.J. Lu <hjl.tools@gmail.com>
5320 * expr.c (expand_constructor): Elide expand_constructor if
5321 move by pieces is preferred.
5323 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5325 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
5326 Take a flag and mode value as arguments.
5327 (aarch64_modifies_global_state_p): Likewise.
5328 (aarch64_reads_global_state_p): Likewise.
5329 (aarch64_could_trap_p): Likewise.
5330 (aarch64_get_attributes): Likewise.
5331 (aarch64_init_simd_builtins): Adjust callsite of above.
5332 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
5333 function attributes to apply to builtins.
5334 (aarch64_init_crc32_builtins): Likewise.
5335 (aarch64_init_builtin_rsqrt): Likewise.
5337 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
5339 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
5340 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
5341 (gen_2logical): Use new fusion types.
5342 * config/rs6000/fusion.md: Regenerate.
5344 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
5347 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
5348 Handle V4QI and V2HI modes.
5349 (ix86_expand_sse_movcc): Ditto.
5350 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
5351 New instruction pattern.
5352 (*eq<VI_32:mode>3): Ditto.
5353 (*gt<VI_32:mode>3): Ditto.
5354 (*xop_pcmov_<VI_32:mode>): Ditto.
5355 (mmx_pblendvb32): Ditto.
5356 (mmx_pblendvb64): Rename from mmx_pblendvb.
5357 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
5358 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
5359 (vcond<VI_32:mode><VI_32:mode>): Ditto.
5360 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
5361 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
5363 2021-05-21 Jakub Jelinek <jakub@redhat.com>
5365 PR tree-optimization/94589
5366 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
5367 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
5368 not the same as cmp3) treat <= the same as < and >= the same as >.
5369 Don't require that cond2_phi_edge is true edge, instead take
5370 false/true edges into account based on cmp1/cmp2 comparison kinds.
5372 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
5375 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
5376 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
5377 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
5378 using SMAXMIN_MMXMODEI mode iterator.
5379 (*<smaxmin:code>v4qi3): New insn pattern.
5380 (*<smaxmin:code>v2hi3): Ditto.
5381 (SMAXMIN_VI_32): New mode iterator.
5382 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
5383 (UMAXMIN_MMXMODEI): New mode iterator.
5384 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
5385 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
5386 using UMAXMIN_MMXMODEI mode iterator.
5387 (*<umaxmin:code>v4qi3): New insn pattern.
5388 (*<umaxmin:code>v2hi3): Ditto.
5389 (UMAXMIN_VI_32): New mode iterator.
5390 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
5391 (abs<VI_32:mode>2): New insn pattern.
5392 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
5393 * config/i386/sse.md: ... here.
5395 2021-05-20 Clement Chigot <clement.chigot@atos.net>
5396 David Edelsohn <dje.gcc@gmail.com>
5398 * collect2.c (scan_prog_file): Issue non-fatal warning for
5401 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
5403 * doc/invoke.texi (-Wno-c++11-extensions)
5404 (-Wno-c++14-extensions, -Wno-c++17-extensions)
5405 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
5408 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
5410 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
5411 * config/darwin.c (darwin_override_options): Likewise.
5412 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
5413 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
5414 (DWARF2_FRAME_REG_OUT): Likewise.
5415 * config/mips/mips.c (mips_output_filename): Likewise.
5416 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
5418 (rs6000_dbx_register_number): Likewise.
5419 * dbxout.c: Include flags.h.
5420 * dwarf2cfi.c (cfi_label_required_p): Likewise.
5421 (dwarf2out_do_frame): Likewise.
5422 * except.c: Include flags.h.
5423 * final.c (dwarf2_debug_info_emitted_p): Likewise.
5424 (final_scan_insn_1): Likewise.
5425 * flags.h (dwarf_debuginfo_p): New function declaration.
5426 * opts.c (dwarf_debuginfo_p): New function definition.
5427 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
5428 * toplev.c (process_options): Likewise.
5430 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
5432 * common.opt: Change type to support bitmasks.
5433 * flag-types.h (enum debug_info_type): Rename enumerator constants.
5434 (NO_DEBUG): New bitmask.
5435 (DBX_DEBUG): Likewise.
5436 (DWARF2_DEBUG): Likewise.
5437 (XCOFF_DEBUG): Likewise.
5438 (VMS_DEBUG): Likewise.
5439 (VMS_AND_DWARF2_DEBUG): Likewise.
5440 * flags.h (debug_set_to_format): New function declaration.
5441 (debug_set_count): Likewise.
5442 (debug_set_names): Likewise.
5443 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
5444 (debug_set_to_format): New function definition.
5445 (debug_set_count): Likewise.
5446 (debug_set_names): Likewise.
5447 (set_debug_level): Update access to debug_type_names.
5448 * toplev.c: Likewise.
5450 2021-05-20 Martin Sebor <msebor@redhat.com>
5452 PR middle-end/100684
5453 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
5455 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
5458 * config/i386/i386.md (isa): Remove x64_bmi.
5459 (enabled): Remove x64_bmi.
5460 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
5461 Remove general register alternative.
5462 (*andnot<VI_32:mode>3): Ditto.
5463 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
5464 (*<any_logic:code><VI_32:mode>3): Ditto.
5466 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
5468 * config/arm/arm.c: Include head files tree-vectorizer.h and
5471 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
5474 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
5475 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
5476 (<s>mulv4hi3_highpart): New expander.
5477 (*<s>mulv2hi3_highpart): New insn pattern.
5478 (<s>mulv2hi3_higpart): New expander.
5479 (*<any_shift:insn>v2hi3): New insn pattern.
5480 (<any_shift:insn>v2hi3): New expander.
5481 * config/i386/sse.md (smulhrsv2hi3): New expander.
5482 (*smulhrsv2hi3): New insn pattern.
5484 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
5486 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
5488 * params.opt (vect-inner-loop-cost-factor): New.
5489 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
5490 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
5491 tree-vectorizer.h and its required ones.
5492 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
5493 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
5494 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
5495 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
5496 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
5497 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
5499 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
5500 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
5501 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
5503 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
5504 Torbjörn Svensson <torbjorn.svensson@st.com>
5507 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
5509 2021-05-20 Jakub Jelinek <jakub@redhat.com>
5512 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
5513 explicit linear clause when combined with target, make it map(tofrom:)
5514 instead of no clause or firstprivate.
5516 2021-05-20 Jakub Jelinek <jakub@redhat.com>
5518 PR tree-optimization/94589
5519 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
5520 of integral conversions.
5522 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
5524 * gimple-range.cc (fur_source::get_operand): New.
5525 (gimple_range_fold): Delete.
5526 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
5527 (fold_using_range::range_of_range_op): Move from gimple_ranger.
5528 (fold_using_range::range_of_address): Ditto.
5529 (fold_using_range::range_of_phi): Ditto.
5530 (fold_using_range::range_of_call): Ditto.
5531 (fold_using_range::range_of_builtin_ubsan_call): Move from
5532 range_of_builtin_ubsan_call.
5533 (fold_using_range::range_of_builtin_call): Move from
5534 range_of_builtin_call.
5535 (gimple_ranger::range_of_builtin_call): Delete.
5536 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
5537 (gimple_ranger::fold_range_internal): New.
5538 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
5539 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
5540 gimple_ranger. Improve ranges of SSA_NAMES when possible.
5541 * gimple-range.h (gimple_ranger): Remove various range_of routines.
5542 (class fur_source): New.
5543 (class fold_using_range): New.
5544 (fur_source::fur_source): New.
5546 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
5547 instead of range_of_builtin_call.
5549 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
5551 * doc/cpp.texi (Common Predefined Macros): Update documentation
5552 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
5554 2021-05-19 Alex Coplan <alex.coplan@arm.com>
5557 * config/arm/arm.md (nonsecure_call_internal): Always ensure
5558 callee's address is in a register.
5560 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
5562 * common/config/riscv/riscv-common.c
5563 (riscv_subset_list::parsing_subset_version): Properly parse the letter
5565 (riscv_subset_list::parse_std_ext,
5566 riscv_subset_list::parse_multiletter_ext): To handle errors generated
5567 in riscv_subset_list::parsing_subset_version.
5569 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5571 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
5572 type attribute in patterns generating XTN(2).
5574 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5576 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
5577 Remove as duplicate of...
5578 (aarch64_xtn<mode>): This.
5579 (aarch64_xtn2<mode>_le): Move position in file.
5580 (aarch64_xtn2<mode>_be): Move position in file.
5581 (aarch64_xtn2<mode>): Move position in file.
5582 (vec_pack_trunc_<mode>): Define as an expander.
5584 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5586 * config/aarch64/aarch64-simd-builtins.def: Split builtin
5587 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
5588 separate scalar and vector generators.
5589 * config/aarch64/aarch64-simd.md
5590 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
5592 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
5593 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
5594 * config/aarch64/iterators.md: Define SD_HSDI iterator.
5596 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
5598 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
5600 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
5602 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5604 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
5605 Implement as an expand emitting a big/little endian
5606 instruction pattern.
5607 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
5608 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
5610 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
5612 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
5613 Implement as an expand emitting a big/little endian
5614 instruction pattern.
5615 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
5616 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
5617 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
5618 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
5620 2021-05-19 Richard Biener <rguenther@suse.de>
5622 PR middle-end/100672
5623 * fold-const.c (fold_negate_expr_1): Use element_precision.
5624 (negate_expr_p): Likewise.
5626 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
5628 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
5629 (pred_load): New int attribute.
5630 * config/aarch64/aarch64-sve.md
5631 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
5632 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
5633 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
5634 code_for_aarch64_load.
5636 2021-05-19 Richard Biener <rguenther@suse.de>
5638 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
5639 sure TARGET_MEM_REF bases are expanded as memory.
5640 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
5641 Do not mark TARGET_MEM_REF bases addressable.
5642 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
5643 TARGET_MEM_REF bases as never rewritable.
5644 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
5645 walk TARGET_MEM_REF bases as address-takens.
5646 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
5648 2021-05-19 Richard Biener <rguenther@suse.de>
5650 * builtins.c (get_object_alignment_1): Strip outer
5652 * tree-dfa.c (get_ref_base_and_extent): Handle outer
5653 WITH_SIZE_EXPR for size processing and process the
5655 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
5656 outer WITH_SIZE_EXPR.
5657 (ao_ref_base_alias_ptr_type): Likewise.
5658 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
5659 and handle that accordingly, stripping it for the
5661 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
5662 looking through it instead of returning NULL.
5664 2021-05-19 Jakub Jelinek <jakub@redhat.com>
5666 PR middle-end/100576
5667 * builtins.c (check_read_access): Convert bound to size_type_node if
5670 2021-05-19 Richard Biener <rguenther@suse.de>
5672 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
5673 (verify_types_in_gimple_reference): ... here. Sanitize.
5674 (verify_gimple_call): Verify references in LHS and arguments.
5675 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
5677 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
5679 * config/i386/i386.h (VALID_INT_MODE_P):
5680 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
5681 * config/i386/i386.md (isa): Add x64_bmi.
5682 (enabled): Handle x64_bmi.
5683 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
5684 Add alternative using 64bit general registers.
5685 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
5687 2021-05-19 Jakub Jelinek <jakub@redhat.com>
5690 * tree.h (OMP_MASTER_COMBINED): Define.
5691 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
5692 handling for outer combined/composite constructs to a loop.
5693 Handle lastprivate on combined target.
5694 (gimplify_expr): Formatting fix.
5696 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
5698 * passes.def: Add sink_code pass before store_merging.
5699 * tree-ssa-sink.c (pass_sink_code:clone): New.
5701 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
5703 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
5704 rs6000_special_adjust_field_align_p.
5705 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
5706 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
5708 (rs6000_function_arg): Likewise.
5709 * config/rs6000/rs6000-protos.h
5710 (rs6000_special_adjust_field_align_p): Remove prototype.
5711 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
5713 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
5714 rs6000_special_adjust_field_align_p.
5716 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
5719 * config/i386/i386.h (VALID_SSE2_REG_MODE):
5720 Add V4QI and V2HI modes.
5721 (VALID_INT_MODE_P): Ditto.
5722 * config/i386/mmx.md (VI_32): New mode iterator.
5723 (mmxvecsize): Handle V4QI and V2HI.
5725 (mov<VI_32:mode>): New expander.
5726 (*mov<mode>_internal): New insn pattern.
5727 (movmisalign<VI_32:mode>): New expander.
5728 (neg<VI_32:mode>): New expander.
5729 (<plusminus:insn><VI_32:mode>3): New expander.
5730 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
5731 (mulv2hi3): New expander.
5732 (*mulv2hi3): New insn pattern.
5733 (one_cmpl<VI_32:mode>2): New expander.
5734 (*andnot<VI_32:mode>3): New insn pattern.
5735 (<any_logic:code><VI_32:mode>3): New expander.
5736 (*<any_logic:code><VI_32:mode>3): New insn pattern.
5738 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
5740 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
5741 Fix a mode mismatch with operand 1.
5743 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
5746 * config/i386/i386-expand.c (split_double_mode): Return
5747 temporary register when simplify_gen_subreg fails with
5748 the high half od the paradoxical subreg.
5750 2021-05-18 Richard Biener <rguenther@suse.de>
5752 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
5753 and honor it when expanding.
5754 (expand_used_vars_for_block): Pass through forced_stack_var.
5755 (expand_used_vars): Likewise.
5756 (discover_nonconstant_array_refs_r): Set bits in
5757 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
5758 (avoid_type_punning_on_regs): Likewise.
5759 (discover_nonconstant_array_refs): Likewise.
5760 (pass_expand::execute): Create and pass down forced_stack_var
5761 bitmap. For parameters and returns temporarily set
5762 TREE_ADDRESSABLE when expand_function_start.
5764 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
5766 * doc/sourcebuild.texi: Document 'dg-note'.
5768 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
5771 * configure: Regenerate.
5772 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
5774 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
5776 * gimple.h (is_gimple_omp_oacc): Tighten.
5777 * omp-low.c (check_omp_nesting_restrictions): Adjust.
5779 2021-05-18 Richard Biener <rguenther@suse.de>
5781 * tree-ssa-operands.c (mark_address_taken): Simplify.
5783 2021-05-18 Martin Liska <mliska@suse.cz>
5785 * config/gcn/mkoffload.c (STR): Redefine.
5786 * config/i386/intelmic-mkoffload.c (STR): Likewise.
5787 * config/nvptx/mkoffload.c (STR): Likewise.
5789 2021-05-18 Martin Liska <mliska@suse.cz>
5791 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
5792 Use startswith function instead of strncmp.
5793 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5794 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
5795 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
5796 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
5797 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
5798 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
5799 * config/arm/arm.c (arm_file_start): Likewise.
5800 (arm_valid_target_attribute_rec): Likewise.
5801 (thumb1_md_asm_adjust): Likewise.
5802 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
5803 * config/avr/avr.c (STR_PREFIX_P): Likewise.
5804 (avr_set_current_function): Likewise.
5805 (avr_handle_addr_attribute): Likewise.
5806 (avr_asm_output_aligned_decl_common): Likewise.
5807 (avr_asm_named_section): Likewise.
5808 (avr_section_type_flags): Likewise.
5809 (avr_asm_select_section): Likewise.
5810 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
5811 (c6x_section_type_flags): Likewise.
5812 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
5813 (darwin_objc_declare_unresolved_class_reference): Likewise.
5814 (darwin_objc_declare_class_definition): Likewise.
5815 * config/darwin.c (indirect_data): Likewise.
5816 (darwin_encode_section_info): Likewise.
5817 (darwin_objc2_section): Likewise.
5818 (darwin_objc1_section): Likewise.
5819 (machopic_select_section): Likewise.
5820 (darwin_globalize_label): Likewise.
5821 (darwin_label_is_anonymous_local_objc_name): Likewise.
5822 (darwin_asm_named_section): Likewise.
5823 (darwin_asm_output_dwarf_offset): Likewise.
5824 * config/frv/frv.c (frv_string_begins_with): Likewise.
5825 (frv_in_small_data_p): Likewise.
5826 * config/gcn/mkoffload.c (STR): Likewise.
5828 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
5829 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
5830 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
5831 (ix86_md_asm_adjust): Likewise.
5832 * config/i386/intelmic-mkoffload.c (STR): Likewise.
5833 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
5834 (i386_pe_file_end): Likewise.
5835 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
5836 (ia64_section_type_flags): Likewise.
5837 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
5838 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
5839 (mips16_stub_function_p): Likewise.
5840 (mips_function_rodata_section): Likewise.
5841 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
5842 (msp430_function_section): Likewise.
5843 (msp430_section_type_flags): Likewise.
5844 (msp430_expand_helper): Likewise.
5845 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
5846 (nios2_valid_target_attribute_rec): Likewise.
5847 * config/nvptx/mkoffload.c (process): Likewise.
5849 * config/pa/som.h: Likewise.
5850 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
5851 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
5852 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
5853 (rs6000_inner_target_options): Likewise.
5854 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
5855 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
5856 * config/vax/vax.c (vax_output_int_move): Likewise.
5857 * config/vms/vms-ld.c (startswith): Likewise.
5858 (process_args): Likewise.
5860 * config/vms/vms.c: Likewise.
5862 2021-05-18 Jakub Jelinek <jakub@redhat.com>
5864 PR rtl-optimization/100590
5865 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
5866 they are NONJUMP_INSN_P.
5868 2021-05-18 Jakub Jelinek <jakub@redhat.com>
5871 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
5872 DECL_ASSEMBLER_NAME on the fn_decl.
5874 2021-05-18 Jakub Jelinek <jakub@redhat.com>
5876 PR tree-optimization/94589
5877 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
5878 phi result used in (res & ~1) == 0 comparison as res >= 0 as
5879 res == 2 would be UB with -ffinite-math-only.
5881 2021-05-18 Martin Liska <mliska@suse.cz>
5883 * Makefile.in: genversion.o should depend on DATESTAMP.
5885 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
5887 * config/arc/simdext.md (negv2si2): Remove round bracket.
5889 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
5891 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
5892 _Bool as macro expanding to _Bool.
5894 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
5897 * tree.c (build_reference_type_for_mode)
5898 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
5900 (build_reference_type, build_pointer_type): Invoke
5901 build_*_type_for_mode with VOIDmode.
5903 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
5905 PR tree-optimization/100512
5906 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
5907 and non-zero pointer ranges as invariant.
5908 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
5909 processing from here.
5911 2021-05-17 Tom de Vries <tdevries@suse.de>
5914 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
5915 * config/nvptx/nvptx.c (nvptx_output_barrier)
5916 (nvptx_output_atomic_insn): New function.
5917 (nvptx_print_operand): Add support for 'B'.
5918 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
5921 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
5923 PR tree-optimization/100349
5924 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
5927 2021-05-17 Tamar Christina <tamar.christina@arm.com>
5929 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
5930 (host_detect_local_cpu): Use it.
5932 2021-05-17 Martin Liska <mliska@suse.cz>
5934 * doc/invoke.texi: Add 2 missing dots.
5936 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
5939 * configure.ac: Replace pattern substitution with call to sed.
5940 * configure: Regenerate.
5942 2021-05-17 Richard Biener <rguenther@suse.de>
5944 PR middle-end/100582
5945 * tree.c (array_at_struct_end_p): Get to the base of the
5946 reference before looking for the underlying decl.
5948 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
5950 * genoutput.c (validate_insn_alternatives) Make "wrong number of
5951 alternatives" message more specific, and remove assumption on where
5954 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
5956 * config/arm/iterators.md (V16): New iterator.
5957 (VH_cvtto): New iterator.
5958 (v_cmp_result): Added V4HF and V8HF support.
5959 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
5960 (vcond<mode><mode>): Likewise.
5961 (vcond_mask_<mode><v_cmp_result>): Likewise.
5962 (vcond<VH_cvtto><mode>): New expander.
5964 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
5966 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
5968 * config/arm/arm.c (arm_expand_vector_compare): Add support for
5970 (arm_expand_vcond): Likewise.
5971 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
5972 VCMPEQQ_N_S, VCMPNEQ_N_S.
5973 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
5974 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
5975 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
5976 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
5977 (@mve_vpselq_<supf><mode>): Likewise.
5978 (@mve_vpselq_f<mode>"): Likewise.
5979 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
5980 and move to vec-common.md.
5981 (vec_cmpu<mode><mode>): Likewise.
5982 (vcond<mode><mode>): Likewise.
5983 (vcond<V_cvtto><mode>): Likewise.
5984 (vcondu<mode><v_cmp_result>): Likewise.
5985 (vcond_mask_<mode><v_cmp_result>): Likewise.
5986 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
5987 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
5988 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
5989 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
5990 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
5991 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
5993 (vec_cmpu<mode><mode>): Likewise.
5994 (vcond<mode><mode>): Likewise.
5995 (vcond<V_cvtto><mode>): Likewise.
5996 (vcondu<mode><v_cmp_result>): Likewise.
5997 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
6000 2021-05-17 liuhongt <hongtao.liu@intel.com>
6003 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
6004 gsi_insert_seq_before instead.
6006 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
6008 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
6009 (arm_sat_ok): ...this.
6011 2021-05-17 Martin Liska <mliska@suse.cz>
6013 * lto-wrapper.c (merge_flto_options): Factor out a new function.
6014 (merge_and_complain): Use it.
6015 (run_gcc): Merge also linker command line -flto=foo argument
6018 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
6020 * config/arm/arm.h (CPP_SPEC): Remove error message about
6021 -mlittle-endian/-mbig-endian conflict.
6023 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6025 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
6026 __ROP_PROTECT__ if -mrop-protect is selected.
6028 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6030 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
6031 rop_hash_save_offset and rop_hash_size.
6032 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
6033 rop_hash_size and rop_hash_save_offset.
6034 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
6035 (rs6000_emit_prologue): Emit hashst[p] in prologue.
6036 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
6037 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
6039 (hashst): New define_insn.
6040 (hashchk): Likewise.
6042 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
6044 * config/rs6000/rs6000.c (rs6000_option_override_internal):
6045 Disable shrink wrap when inserting ROP-protect instructions.
6046 * config/rs6000/rs6000.opt (mrop-protect): New option.
6047 (mprivileged): Likewise.
6048 * doc/invoke.texi: Document mrop-protect and mprivileged.
6050 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
6052 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
6055 2021-05-15 Martin Jambor <mjambor@suse.cz>
6058 2021-05-13 Martin Jambor <mjambor@suse.cz>
6060 PR tree-optimization/100453
6061 * tree-sra.c (sra_modify_assign): All const base accesses do not
6062 need refreshing, not just those from decl_pool.
6063 (sra_modify_assign): Do not refresh into a const base decl.
6065 2021-05-15 Jakub Jelinek <jakub@redhat.com>
6067 PR rtl-optimization/100342
6068 * regcprop.c (copy_value): When copying a source reg in a wider
6069 mode than it has recorded for the value, adjust recorded destination
6070 mode too or punt if !REG_CAN_CHANGE_MODE_P.
6072 2021-05-14 Jason Merrill <jason@redhat.com>
6074 * intl.h: Add comments.
6076 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6078 * config/aarch64/aarch64-simd.md
6079 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
6080 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
6081 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
6082 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
6083 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
6084 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
6085 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
6086 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
6087 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
6089 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
6092 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
6093 boolean logic equivalent.
6094 (vtst_s16): Likewise.
6095 (vtst_s32): Likewise.
6096 (vtst_u8): Likewise.
6097 (vtst_u16): Likewise.
6098 (vtst_u32): Likewise.
6099 (vtst_p8): Likewise.
6100 (vtst_p16): Likewise.
6101 (vtstq_s8): Likewise.
6102 (vtstq_s16): Likewise.
6103 (vtstq_s32): Likewise.
6104 (vtstq_u8): Likewise.
6105 (vtstq_u16): Likewise.
6106 (vtstq_u32): Likewise.
6107 (vtstq_p8): Likewise.
6108 (vtstq_p16): Likewise.
6109 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
6110 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
6112 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6114 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
6115 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
6116 (aarch64_sqdmlsl2<mode>): Delete.
6117 (aarch64_sqdmlal2_lane<mode>): Merge this...
6118 (aarch64_sqdmlsl2_lane<mode>): ... And this...
6119 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
6120 (aarch64_sqdmlal2_laneq<mode>): Merge this...
6121 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
6122 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
6123 (aarch64_sqdmlal2_n<mode>): Merge this...
6124 (aarch64_sqdmlsl2_n<mode>): ... And this...
6125 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
6127 2021-05-13 Martin Sebor <msebor@redhat.com>
6129 PR middle-end/100574
6130 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
6133 2021-05-13 Martin Sebor <msebor@redhat.com>
6135 PR tree-optimization/93100
6137 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
6138 don't modify referenced objects.
6140 2021-05-13 Martin Jambor <mjambor@suse.cz>
6142 PR tree-optimization/100453
6143 * tree-sra.c (sra_modify_assign): All const base accesses do not
6144 need refreshing, not just those from decl_pool.
6145 (sra_modify_assign): Do not refresh into a const base decl.
6147 2021-05-13 Martin Liska <mliska@suse.cz>
6149 * tree-ssa-dom.c: Remove m_simplifier.
6151 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
6154 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
6155 canonicalize DImode inequality comparisons against the
6156 maximum integral value.
6158 2021-05-13 Jakub Jelinek <jakub@redhat.com>
6160 PR tree-optimization/98856
6161 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
6162 Expect V2DI and V4DI arithmetic right shifts to be emulated.
6163 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
6165 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
6166 expand_vec_perm_2perm_pblendv): New functions.
6167 (ix86_expand_vec_perm_const_1): Use them.
6168 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
6169 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
6170 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
6171 (ashrv4di3): New define_expand.
6172 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
6173 and !TARGET_AVX512VL expansion.
6175 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
6178 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
6179 sizes < 16 to a register when constructing vpcmov pattern.
6180 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
6182 2021-05-13 Martin Liska <mliska@suse.cz>
6184 * gcov-io.c (gcov_write_block): Remove.
6185 (gcov_write_words): Likewise.
6186 (gcov_read_words): Re-implement using gcov_read_bytes.
6187 (gcov_allocate): Remove.
6188 (GCOV_BLOCK_SIZE): Likewise.
6189 (struct gcov_var): Remove most of the fields.
6190 (gcov_position): Implement with ftell.
6191 (gcov_rewrite): Remove setting of start and offset fields.
6192 (from_file): Re-format.
6193 (gcov_open): Remove setbuf call. It should not be needed.
6194 (gcov_close): Remove internal buffer handling.
6195 (gcov_magic): Use __builtin_bswap32.
6196 (gcov_write_counter): Use directly gcov_write_unsigned.
6197 (gcov_write_string): Use direct fwrite and do not round
6199 (gcov_seek): Use directly fseek.
6200 (gcov_write_tag): Use gcov_write_unsigned directly.
6201 (gcov_write_length): Likewise.
6202 (gcov_write_tag_length): Likewise.
6203 (gcov_read_bytes): Use directly fread.
6204 (gcov_read_unsigned): Use gcov_read_words.
6205 (gcov_read_counter): Likewise.
6206 (gcov_read_string): Use gcov_read_bytes.
6207 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
6208 that size is not in bytes, but words (4B).
6209 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
6210 (GCOV_TAG_ARCS_LENGTH): Likewise.
6211 (GCOV_TAG_ARCS_NUM): Likewise.
6212 (GCOV_TAG_COUNTER_LENGTH): Likewise.
6213 (GCOV_TAG_COUNTER_NUM): Likewise.
6214 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
6216 2021-05-13 liuhongt <hongtao.liu@intel.com>
6219 * config/i386/sse.md (ssedoublevecmode): Add attribute for
6220 V64QI/V32HI/V16SI/V4DI.
6221 (ssehalfvecmode): Add attribute for V2DI/V2DF.
6222 (*vec_concatv4si_0): Extend to VI124_128.
6223 (*vec_concat<mode>_0): New pre-reload splitter.
6224 * config/i386/predicates.md (movq_parallel): New predicate.
6226 2021-05-13 Alexandre Oliva <oliva@adacore.com>
6228 * targhooks.c (default_zero_call_used_regs): Retry using
6229 successfully-zeroed registers as sources.
6231 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
6233 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
6235 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
6238 * gimple-range.cc (range_of_builtin_call): Skip out on
6239 processing __builtin_clz when varying.
6241 2021-05-12 Tom de Vries <tdevries@suse.de>
6244 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
6245 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
6246 to ptx_version_option.
6247 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
6248 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
6249 (define_insn "nvptx_vote_ballot"): Use sync variant for
6251 * config/nvptx/nvptx.opt (ptx_version): Add enum.
6253 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
6255 2021-05-12 Richard Biener <rguenther@suse.de>
6257 PR tree-optimization/100566
6258 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
6259 allow_back for all edge queries.
6261 2021-05-12 liuhongt <hongtao.liu@intel.com>
6264 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
6265 splitters for pblendvb of NOT mask register.
6267 2021-05-12 Richard Biener <rguenther@suse.de>
6269 PR tree-optimization/100519
6270 * tree-ssa-reassoc.c (can_associate_p): Split into...
6271 (can_associate_op_p): ... this
6272 (can_associate_type_p): ... and this.
6273 (is_reassociable_op): Call can_associate_op_p.
6274 (break_up_subtract_bb): Call the appropriate predicates.
6275 (reassociate_bb): Likewise.
6277 2021-05-12 Martin Liska <mliska@suse.cz>
6279 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
6280 (run_gcc): Use -flto argument detection for merged
6283 2021-05-12 Martin Liska <mliska@suse.cz>
6285 * lto-wrapper.c (print_lto_docs_link): New function.
6286 (run_gcc): Print warning about missing job server detection
6287 after we know NR of partitions. Do the same for -flto{,=1}.
6288 * opts.c (get_option_html_page): Support -flto option.
6290 2021-05-12 Martin Liska <mliska@suse.cz>
6292 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
6294 (append_option): Remove.
6295 (find_option): Rework to use the vector type.
6296 (remove_option): Remove.
6297 (merge_and_complain): Use vectors for cl_decoded_option data
6299 (append_compiler_options): Likewise.
6300 (append_diag_options): Likewise.
6301 (append_linker_options): Likewise.
6302 (append_offload_options): Likewise.
6303 (compile_offload_image): Likewise.
6304 (compile_images_for_offload_targets): Likewise.
6305 (find_and_merge_options): Likewise.
6306 (run_gcc): Likewise.
6308 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
6311 * dwarf2out.c (dwarf2out_finish): Set
6312 have_multiple_function_sections with multi-range text_section.
6314 2021-05-12 Martin Liska <mliska@suse.cz>
6317 * Makefile.in: Remove version.h from linker command line.
6319 2021-05-12 Richard Biener <rguenther@suse.de>
6321 PR middle-end/100547
6322 * rtl.h (rtvec_alloc): Make argument size_t.
6323 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
6325 2021-05-12 Jakub Jelinek <jakub@redhat.com>
6327 PR middle-end/100508
6328 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
6329 type, don't reuse DECL_RTL if it has different mode, instead force
6330 creation of a new DEBUG_EXPR.
6332 2021-05-12 Jakub Jelinek <jakub@redhat.com>
6333 Marc Glisse <marc.glisse@inria.fr>
6335 PR tree-optimization/94589
6336 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
6337 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
6339 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
6342 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
6343 * config/i386/mmx.md (MMXMODE124): New mode iterator.
6345 (mmxintvecmode): New mode attribute.
6346 (mmxintvecmodelower): Ditto.
6347 (*mmx_maskcmpv2sf3_comm): New insn pattern.
6348 (*mmx_maskcmpv2sf3): Ditto.
6349 (vec_cmpv2sfv2si): New expander.
6350 (vcond<V2FI:mode>v2si): Ditto.
6351 (mmx_vlendvps): New insn pattern.
6352 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
6353 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
6354 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
6356 2021-05-11 Martin Sebor <msebor@redhat.com>
6359 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
6361 2021-05-11 Richard Biener <rguenther@suse.de>
6363 * gimple-fold.c (gimple_fold_call): Do not call
6364 maybe_fold_reference on call arguments or the static chain.
6365 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
6368 2021-05-11 Martin Liska <mliska@suse.cz>
6370 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
6371 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
6372 (DEF_HSAIL_SAT_BUILTIN): Likewise.
6373 (DEF_HSAIL_INTR_BUILTIN): Likewise.
6374 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
6375 * doc/frontends.texi: Remove BRIG.
6376 * doc/install.texi: Likewise.
6377 * doc/invoke.texi: Likewise.
6378 * doc/standards.texi: Likewise.
6379 * brig-builtins.def: Removed.
6380 * brig/ChangeLog: Removed.
6381 * brig/Make-lang.in: Removed.
6382 * brig/brig-builtins.h: Removed.
6383 * brig/brig-c.h: Removed.
6384 * brig/brig-lang.c: Removed.
6385 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
6386 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
6387 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
6388 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
6389 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
6390 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
6391 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
6392 * brig/brigfrontend/brig-comment-handler.cc: Removed.
6393 * brig/brigfrontend/brig-control-handler.cc: Removed.
6394 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
6395 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
6396 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
6397 * brig/brigfrontend/brig-function-handler.cc: Removed.
6398 * brig/brigfrontend/brig-function.cc: Removed.
6399 * brig/brigfrontend/brig-function.h: Removed.
6400 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
6401 * brig/brigfrontend/brig-label-handler.cc: Removed.
6402 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
6403 * brig/brigfrontend/brig-machine.c: Removed.
6404 * brig/brigfrontend/brig-machine.h: Removed.
6405 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
6406 * brig/brigfrontend/brig-module-handler.cc: Removed.
6407 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
6408 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
6409 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
6410 * brig/brigfrontend/brig-to-generic.cc: Removed.
6411 * brig/brigfrontend/brig-to-generic.h: Removed.
6412 * brig/brigfrontend/brig-util.cc: Removed.
6413 * brig/brigfrontend/brig-util.h: Removed.
6414 * brig/brigfrontend/brig-variable-handler.cc: Removed.
6415 * brig/brigfrontend/hsa-brig-format.h: Removed.
6416 * brig/brigfrontend/phsa.h: Removed.
6417 * brig/brigspec.c: Removed.
6418 * brig/config-lang.in: Removed.
6419 * brig/gccbrig.texi: Removed.
6420 * brig/lang-specs.h: Removed.
6421 * brig/lang.opt: Removed.
6423 2021-05-11 Richard Biener <rguenther@suse.de>
6426 * ipa-param-manipulation.c
6427 (ipa_param_body_adjustments::modify_call_stmt): Avoid
6428 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
6429 via gimple_call_lhs_ptr.
6431 2021-05-11 Alex Coplan <alex.coplan@arm.com>
6434 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
6435 Avoid emitting CFA adjusts on the sp if we have the fp.
6437 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
6439 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
6440 (VMULD): New iterator.
6441 (VCOND): Handle V4HF and V8HF.
6442 (VCONQ): Fix entry for V2SF.
6443 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
6444 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
6445 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
6446 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
6447 Use a 128-bit vector mode for the indexed operand. Use stype for
6448 the scheduling type.
6450 2021-05-11 Richard Biener <rguenther@suse.de>
6452 * gimple-fold.c (maybe_fold_reference): Only return
6453 is_gimple_min_invariant values.
6455 2021-05-11 Richard Biener <rguenther@suse.de>
6457 PR middle-end/100509
6458 * gimple-fold.c (fold_gimple_assign): Only call
6459 get_symbol_constant_value on register type symbols.
6461 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
6462 Joe Ramsay <joe.ramsay@arm.com>
6465 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
6466 (__arm_vcmpneq): Remove duplicate definition.
6467 (__arm_vstrwq_scatter_offset_p): Likewise.
6468 (__arm_vmaxq_x): Likewise.
6469 (__arm_vmlsdavaq): Likewise.
6470 (__arm_vmlsdavaxq): Likewise.
6471 (__arm_vmlsdavq_p): Likewise.
6472 (__arm_vmlsdavxq_p): Likewise.
6473 (__arm_vrmlaldavhaq): Likewise.
6474 (__arm_vstrbq_p): Likewise.
6475 (__arm_vstrbq_scatter_offset): Likewise.
6476 (__arm_vstrbq_scatter_offset_p): Likewise.
6477 (__arm_vstrdq_scatter_offset): Likewise.
6478 (__arm_vstrdq_scatter_offset_p): Likewise.
6479 (__arm_vstrdq_scatter_shifted_offset): Likewise.
6480 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
6482 2021-05-11 Jakub Jelinek <jakub@redhat.com>
6484 PR middle-end/100471
6485 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
6486 is 0, bypass the reduction loop including
6487 GOMP_taskgroup_reduction_unregister call.
6489 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
6491 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
6493 (rs6000_density_test): Early return if costing_for_scalar is true.
6494 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
6496 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
6498 * doc/tm.texi: Regenerated.
6499 * target.def (init_cost): Add new parameter costing_for_scalar.
6500 * targhooks.c (default_init_cost): Adjust for new parameter.
6501 * targhooks.h (default_init_cost): Likewise.
6502 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
6503 (vect_compute_single_scalar_iteration_cost): Likewise.
6504 (vect_analyze_loop_2): Likewise.
6505 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
6506 (vect_bb_vectorization_profitable_p): Likewise.
6507 * tree-vectorizer.h (init_cost): Likewise.
6508 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
6509 * config/i386/i386.c (ix86_init_cost): Likewise.
6510 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
6512 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
6514 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
6515 vect_nonmem and moved into...
6516 (struct rs6000_cost_data): ...here.
6517 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
6518 (rs6000_add_stmt_cost): Likewise.
6519 (rs6000_finish_cost): Likewise.
6521 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
6523 * range-op.cc (get_bool_state): Adjust head comment.
6524 (operator_not_equal::op1_range): Fix comment.
6525 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
6527 2021-05-10 Martin Sebor <msebor@redhat.com>
6529 PR middle-end/100425
6530 PR middle-end/100510
6531 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
6532 (pass_walloca::xlimit_certain_p): ...to this.
6533 (pass_walloca::gate): Execute for any kind of handled warning.
6534 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
6535 warnings when xlimit_certain_p is set.
6537 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
6539 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
6540 Return ALTIVEC_REGS if that is best_class.
6541 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
6543 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6545 * config/arm/arm.h (CPP_SPEC): Remove error message about
6548 2021-05-10 Martin Jambor <mjambor@suse.cz>
6550 * ipa-prop.h (IPA_NODE_REF): Removed.
6551 (IPA_NODE_REF_GET_CREATE): Likewise.
6552 (IPA_EDGE_REF): Likewise.
6553 (IPA_EDGE_REF_GET_CREATE): Likewise.
6554 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
6555 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
6556 use of ipa_node_params_sum.
6557 (ipcp_versionable_function_p): Likewise.
6558 (push_node_to_stack): Likewise.
6559 (pop_node_from_stack): Likewise.
6560 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
6561 direct use of ipa_node_params_sum.
6562 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
6563 ipa_node_params_sum.
6564 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
6566 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
6567 use of ipa_node_params_sum.
6568 (self_recursively_generated_p): Likewise.
6569 (propagate_scalar_across_jump_function): Likewise.
6570 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
6571 direct use of ipa_edge_args_sum, moved the lookup after the early
6572 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
6573 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
6574 direct uses of ipa_node_params_sum.
6575 (propagate_vr_across_jump_function): Likewise.
6576 (propagate_aggregate_lattice): Likewise.
6577 (propagate_aggs_across_jump_function): Likewise.
6578 (propagate_constants_across_call): Likewise, also replaced
6579 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
6580 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
6581 of ipa_node_params_sum.
6582 (estimate_local_effects): Likewise.
6583 (add_all_node_vals_to_toposort): Likewise.
6584 (propagate_constants_topo): Likewise.
6585 (ipcp_propagate_stage): Likewise.
6586 (ipcp_discover_new_direct_edges): Likewise.
6587 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
6588 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
6589 (get_info_about_necessary_edges): Likewise.
6590 (want_remove_some_param_p): Likewise.
6591 (create_specialized_node): Likewise.
6592 (self_recursive_pass_through_p): Likewise.
6593 (self_recursive_agg_pass_through_p): Likewise.
6594 (find_more_scalar_values_for_callers_subset): Likewise and also
6595 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
6596 case replacing two of those with a single query.
6597 (find_more_contexts_for_caller_subset): Likewise for the
6598 ipa_polymorphic_call_context overload.
6599 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
6600 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
6601 ipa_node_params_sum.
6602 (find_aggregate_values_for_callers_subset): Likewise, also reusing
6603 results of ipa_edge_args_sum->get.
6604 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
6605 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
6606 direct use of ipa_edge_args_sum.
6607 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
6608 summary query after the early exit and reused the result later.
6609 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
6610 ipa_node_params_sum.
6611 (decide_whether_version_node): Likewise. Removed re-querying for
6612 summaries after cloning.
6613 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
6614 ipa_node_params_sum.
6615 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
6617 (identify_dead_nodes): Likewise.
6618 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
6619 ipa_node_params_sum.
6620 (ipcp_store_vr_results): Likewise.
6621 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
6622 (ipa_fn_summary_t::duplicate): Likewise.
6623 (analyze_function_body): Likewise.
6624 (estimate_calls_size_and_time): Likewise.
6625 (ipa_cached_call_context::duplicate_from): Likewise.
6626 (ipa_call_context::equal_to): Likewise.
6627 (remap_edge_params): Likewise.
6628 (ipa_merge_fn_summary_after_inlining): Likewise.
6629 (inline_read_section): Likewise.
6630 * ipa-icf.c (sem_function::param_used_p): Likewise.
6631 * ipa-modref.c (compute_parm_map): Likewise.
6632 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
6634 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
6635 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
6637 * ipa-profile.c (check_argument_count): Likewise.
6638 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
6639 with a direct use of ipa_node_params_sum.
6640 (ipa_initialize_node_params): Likewise.
6641 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
6642 direct use of ipa_edge_args_sum and reused the query result.
6643 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
6644 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
6645 direct use of ipa_edge_args_sum.
6646 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
6647 ipa_node_params_sum and reused the result of the query.
6648 (ipa_analyze_node): Likewise.
6649 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
6650 of ipa_node_params_sum.
6651 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
6652 direct uses of ipa_edge_args_sum.
6653 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
6654 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
6655 direct use of ipa_edge_args_sum. Removed superficial re-querying the
6657 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
6658 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
6660 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
6661 direct use of ipa_edge_args_sum.
6662 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
6663 use of ipa_node_params_sum.
6664 (ipa_print_node_params): Likewise.
6665 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
6666 direct uses of ipa_edge_args_sum.
6667 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
6669 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
6670 ipa_node_params_sum.
6671 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
6672 scopes where it is used.
6674 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
6676 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
6677 <case E_V2SImode>: Force op_true to register.
6679 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6681 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
6682 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
6683 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
6685 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
6686 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
6687 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
6688 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
6689 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
6690 (mve_vcmpneq_n_f<mode>): Remove.
6691 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
6692 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
6693 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
6695 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6697 * config/arm/iterators.md (MVE_COMPARISONS): New.
6699 (mve_cmp_type): New.
6700 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
6702 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
6703 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
6704 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
6705 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
6706 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
6707 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
6708 (mve_vcmpneq_n_<mode>): Remove.
6710 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6712 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
6713 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
6714 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
6717 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6719 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
6720 (vcmpneq_n_u): Likewise.
6721 (vcmpeqq_u,): Likewise.
6722 (vcmpeqq_n_u): Likewise.
6723 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
6724 VCMPEQQ_N_U and VCMPNEQ_N_U.
6725 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
6726 (mve_vcmpeqq_n): Likewise.
6727 (mve_vcmpeqq): Likewise.
6728 (mve_vcmpneq_n): Likewise.
6730 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
6732 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
6733 the 's' version of the builtin.
6735 2021-05-10 Richard Biener <rguenther@suse.de>
6737 PR tree-optimization/100492
6738 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
6739 Find nothing when the loop contains an irreducible region.
6741 2021-05-10 Richard Biener <rguenther@suse.de>
6743 PR middle-end/100464
6745 * gimple-fold.c (canonicalize_constructor_val): Do not set
6748 2021-05-10 Richard Biener <rguenther@suse.de>
6750 PR tree-optimization/100434
6751 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
6753 (dse_optimize_stmt): Handle call LHS by dropping the
6754 LHS or the whole call if it doesn't have other
6756 (pass_dse::execute): Adjust.
6758 2021-05-10 Martin Liska <mliska@suse.cz>
6760 * Makefile.in: Add missing genversion rule.
6762 2021-05-10 Alex Coplan <alex.coplan@arm.com>
6765 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
6766 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
6768 2021-05-10 Martin Liska <mliska@suse.cz>
6770 * builtins.c (is_builtin_name): Use startswith
6771 function instead of strncmp.
6772 * collect2.c (main): Likewise.
6773 (has_lto_section): Likewise.
6774 (scan_libraries): Likewise.
6775 * coverage.c (coverage_checksum_string): Likewise.
6776 (coverage_init): Likewise.
6777 * dwarf2out.c (is_cxx): Likewise.
6778 (gen_compile_unit_die): Likewise.
6779 * gcc-ar.c (main): Likewise.
6780 * gcc.c (init_spec): Likewise.
6781 (read_specs): Likewise.
6782 (execute): Likewise.
6783 (check_live_switch): Likewise.
6784 * genattrtab.c (write_attr_case): Likewise.
6785 (IS_ATTR_GROUP): Likewise.
6786 * gencfn-macros.c (main): Likewise.
6787 * gengtype.c (type_for_name): Likewise.
6788 (gen_rtx_next): Likewise.
6789 (get_file_langdir): Likewise.
6790 (write_local): Likewise.
6791 * genmatch.c (get_operator): Likewise.
6792 (get_operand_type): Likewise.
6793 (expr::gen_transform): Likewise.
6794 * genoutput.c (validate_optab_operands): Likewise.
6795 * incpath.c (add_sysroot_to_chain): Likewise.
6796 * langhooks.c (lang_GNU_C): Likewise.
6797 (lang_GNU_CXX): Likewise.
6798 (lang_GNU_Fortran): Likewise.
6799 (lang_GNU_OBJC): Likewise.
6800 * lto-wrapper.c (run_gcc): Likewise.
6801 * omp-general.c (omp_max_simt_vf): Likewise.
6802 * omp-low.c (omp_runtime_api_call): Likewise.
6803 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
6804 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
6805 * real.c (real_from_string): Likewise.
6806 * selftest.c (assert_str_startswith): Likewise.
6807 * timevar.c (timer::validate_phases): Likewise.
6808 * tree.c (get_file_function_name): Likewise.
6809 * ubsan.c (ubsan_use_new_style_p): Likewise.
6810 * varasm.c (default_function_rodata_section): Likewise.
6811 (incorporeal_function_p): Likewise.
6812 (default_section_type_flags): Likewise.
6813 * system.h (startswith): Define startswith.
6815 2021-05-10 Martin Liska <mliska@suse.cz>
6817 * bitmap.h (class auto_bitmap): Remove
6818 __cplusplus >= 201103.
6819 * config/aarch64/aarch64.c: Likewise.
6820 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
6822 * sbitmap.h: Likewise.
6824 2021-05-10 Martin Liska <mliska@suse.cz>
6826 * Makefile.in: Rename gcov-iov to genversion and depend
6827 on version.h (instead of gcov-iov.h).
6828 * gcov-io.h: Include version.h instread of gcov-iov.h.
6829 * gengtype-state.c (read_state_version): Likewise.
6830 * gcov-iov.c: Moved to...
6831 * genversion.c: ...here.
6832 * lto-streamer.h (LTO_major_version): Define it with
6834 * version.c: Removed.
6835 * version.h: Removed.
6837 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
6839 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
6840 * config/arc/simdext.md (VCT): Add predicates for iterator
6844 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
6845 (<voptab>v2si3): New patterns.
6847 (reduc_plus_scal_v4hi): Likewise.
6848 (reduc_plus_scal_v2si): Likewise.
6849 (vec_duplicatev2si): Likewise.
6850 (vec_duplicatev4hi): Likewise.
6852 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
6854 * config/arc/simdext.md: Format and cleanup file.
6856 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
6858 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
6859 only when munaligned-access option is on.
6860 (movmisalign<mode>): Likewise.
6862 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
6864 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
6866 * config/arc/arc.c (arc_reorg): Remove underscore from string.
6868 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
6870 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6871 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6872 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
6876 (clzsi2): Use fls instruction when available.
6877 (arc_clzsi2): Likewise.
6879 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
6881 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
6883 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
6885 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
6887 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
6889 PR middle-end/100467
6890 * toplev.c (compile_file): Call insn_locations_init before
6891 targetm.asm_out.code_end.
6893 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
6896 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
6898 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
6900 2021-05-07 Jakub Jelinek <jakub@redhat.com>
6901 Andrew Stubbs <amd@codesourcery.com>
6904 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
6905 emit_move_insn operands.
6907 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
6909 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
6910 location for the outgoing edges of an empty block.
6911 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
6912 type by means of the get_array_descr_info langhook, if it is set and
6913 returns true. Remove obsolete code dealing with unnamed subtypes.
6915 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
6917 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
6918 (sbr_vector): Renamed from ssa_block_cache.
6919 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
6920 (ssa_block_ranges::~ssa_block_ranges): Remove.
6921 (sbr_vector::set_bb_range): Use varying and undefined cached values.
6922 (ssa_block_ranges::set_bb_varying): Remove.
6923 (sbr_vector::get_bb_range): Adjust assert.
6924 (sbr_vector::bb_range_p): Adjust assert.
6925 (~block_range_cache): No freeing loop required.
6926 (block_range_cache::get_block_ranges): Remove.
6927 (block_range_cache::set_bb_range): Inline get_block_ranges.
6928 (block_range_cache::set_bb_varying): Remove.
6929 * gimple-range-cache.h (set_bb_varying): Remove prototype.
6930 * value-range.h (irange_allocator::get_memory): New.
6932 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
6934 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
6935 dominator tree is available and requested.
6936 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
6937 (ranger_cache::fill_block_cache): Don't search dom tree here either.
6938 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
6940 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
6942 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
6943 only PHI nodes better.
6945 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
6947 * gimple-range-edge.h (gimple_outgoing_range): Rename from
6949 (gcond_edge_range): Export prototype.
6950 * gimple-range-edge.cc (gcond_edge_range): New.
6951 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
6952 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
6954 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
6956 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
6957 default range into a temp and allocate only what is needed.
6959 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
6961 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
6963 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
6965 * gimple-range.h (gimple_range_global): Pick up parameter initial
6966 values, and use-before defined locals are UNDEFINED.
6968 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
6970 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
6972 * tree.h (reverse_storage_order_for_component_p): Return false if
6973 the type is a pointer.
6975 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
6977 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
6979 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
6982 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
6983 Handle V8QI, V4HI and V2SI modes.
6984 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
6985 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
6986 * config/i386/i386.md (unspec): ... here.
6988 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
6989 Tom de Vries <tdevries@suse.de>
6991 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
6992 a truth_value_p reduction variable is nonintegral.
6994 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
6997 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
6998 Return false for mode sizes < 16.
7000 2021-05-07 Jakub Jelinek <jakub@redhat.com>
7003 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
7005 2021-05-06 Martin Jambor <mjambor@suse.cz>
7007 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
7008 when there is no function summary.
7009 (ipa_sra_summarize_function): produce edge summaries even when
7012 2021-05-06 Tom Tromey <tom@tromey.com>
7014 * godump.c (string_hash_eq): Remove.
7015 (go_finish): Use htab_eq_string.
7017 2021-05-06 Tom Tromey <tom@tromey.com>
7019 * gengtype-state.c (read_state): Use htab_eq_string.
7020 (string_eq): Remove.
7022 2021-05-06 Tom Tromey <tom@tromey.com>
7024 * gensupport.c (htab_eq_string): Remove.
7026 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
7029 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
7030 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
7031 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
7032 set_ignored_loc callbacks.
7033 * debug.c (do_nothing_debug_hooks): Likewise.
7034 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
7035 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
7036 (in_text_section_p, last_text_label, last_cold_label,
7037 switch_text_ranges, switch_cold_ranges): New data items.
7038 (dwarf2out_note_section_used): Remove.
7039 (dwarf2out_begin_prologue): Set fde->ignored_debug and
7041 (mark_ignored_debug_section): New helper function.
7042 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
7043 mark_ignored_debug_section.
7044 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
7045 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
7046 (size_of_aranges): Adjust formula for multi-part text ranges size.
7047 (output_aranges): Output multi-part text ranges.
7048 (dwarf2out_set_ignored_loc): New callback function.
7049 (dwarf2out_finish): Output multi-part text ranges.
7050 (dwarf2out_c_finalize): Clear new data items.
7051 * final.c (final_start_function_1): Call set_ignored_loc callback.
7052 (final_scan_insn_1): Likewise.
7053 * ggc-page.c (gt_ggc_mx): New helper function.
7054 * stringpool.c (gt_pch_nx): Likewise.
7056 2021-05-06 Richard Biener <rguenther@suse.de>
7058 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
7059 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
7060 (TV_TREE_INTO_SSA): New.
7061 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
7062 (rewrite_blocks): Likewise.
7063 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
7065 2021-05-06 Jakub Jelinek <jakub@redhat.com>
7067 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
7068 abs_replacement, xor_replacement,
7069 cond_removal_in_popcount_clz_ctz_pattern,
7070 replace_phi_edge_with_variable): Change type of phi argument from
7073 2021-05-06 Richard Biener <rguenther@suse.de>
7075 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
7076 Output an opt-info message.
7077 (do_split_loop_on_cond): Likewise.
7078 (tree_ssa_split_loops): Update SSA form here.
7080 2021-05-06 Richard Biener <rguenther@suse.de>
7082 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
7083 return variable removal.
7085 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
7087 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
7088 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
7089 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
7091 * config/s390/s390.c (s390_const_operand_ok): Remove unused
7094 2021-05-06 Jakub Jelinek <jakub@redhat.com>
7096 PR tree-optimization/94589
7097 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
7098 spaceship_replacement.
7099 (cond_only_block_p, spaceship_replacement): New functions.
7101 2021-05-06 Richard Biener <rguenther@suse.de>
7104 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
7105 dealing with a debug use and only query existing addresses
7107 (lower_emutls_1): Avoid splitting out addresses for debug
7108 stmts, reset the debug stmt when we fail to find existing
7110 (lower_emutls_phi_arg): Set wi.stmt.
7112 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
7115 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
7116 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
7117 (stack_protect_test): Use cbranch helper.
7119 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7122 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
7123 always return the establisher frame for __builtin_frame_address (0).
7125 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
7128 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
7129 (ix86_cpu_model_var): Likewise.
7130 (ix86_cpu_features2_type_node): Likewise.
7131 (ix86_cpu_features2_var): Likewise.
7132 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
7135 2021-05-05 Martin Sebor <msebor@redhat.com>
7137 * passes.def (pass_warn_printf): Run after SSA.
7139 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7141 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
7142 * config/arm/predicates.md (minus_one_operand): New predicate.
7144 2021-05-05 Jeff Law <jlaw@tachyum.com>
7146 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
7148 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
7150 PR rtl-optimization/100263
7151 * postreload.c (move2add_valid_value_p): Ensure register can
7154 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7156 PR rtl-optimization/100411
7157 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
7158 and beginning of function markers.
7160 2021-05-05 Jeff Law <jlaw@tachyum.com>
7162 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
7163 * config/cr16/cr16.c (notice_update_cc): Remove.
7164 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
7166 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
7169 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
7170 Handle V8QI, V4HI and V2SI modes.
7171 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
7172 (ix86_build_signbit_mask): Ditto.
7173 * config/i386/mmx.md (MMXMODE14): New mode iterator.
7174 (<smaxmin:code><MMXMODE14:mode>3): New expander.
7175 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
7176 (<umaxmin:code><MMXMODE24:mode>3): New expander.
7177 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
7178 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
7179 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7180 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7181 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7182 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
7184 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
7186 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
7187 not expand the VALUE_EXPR of variables put in the non-local frame.
7188 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
7189 to be ignored for debug info, ensure its variable offsets are not.
7191 2021-05-05 Richard Biener <rguenther@suse.de>
7193 PR tree-optimization/79333
7194 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
7195 Fold stmt following SSA edges.
7197 2021-05-05 Richard Biener <rguenther@suse.de>
7199 PR middle-end/100394
7200 * calls.c (expand_call): Preserve possibly throwing calls.
7201 * cfgexpand.c (expand_call_stmt): When a call can throw signal
7202 RTL expansion there are side-effects.
7203 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
7204 mark all possibly throwing stmts necessary unless we can elide
7206 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
7207 -fdelete-dead-exceptions.
7208 * tree.h (DECL_PURE_P): Add note about exceptions.
7210 2021-05-05 Alexandre Oliva <oliva@adacore.com>
7212 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
7215 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
7217 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
7218 get_fnname_from_decl for name of thunk.
7219 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
7220 and ASM_OUTPUT_LABEL.
7221 (rs6000_xcoff_declare_function_name): Use assemble_name and
7223 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
7224 (rs6000_xcoff_encode_section_info): Don't add mapping class
7225 for aliases. Always add [DS] mapping class to primary
7227 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
7229 2021-05-04 Martin Sebor <msebor@redhat.com>
7231 PR middle-end/100307
7232 * builtins.c (compute_objsize_r): Clear base0 for pointers.
7234 2021-05-04 Jeff Law <jlaw@tachyum.com>
7236 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
7238 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7240 * caller-save.c: Remove CC0.
7241 * cfgcleanup.c: Remove CC0.
7242 * cfgrtl.c: Remove CC0.
7243 * combine.c: Remove CC0.
7244 * compare-elim.c: Remove CC0.
7245 * conditions.h: Remove CC0.
7246 * config/h8300/h8300.h: Remove CC0.
7247 * config/h8300/h8300-protos.h: Remove CC0.
7248 * config/h8300/peepholes.md: Remove CC0.
7249 * config/i386/x86-tune-sched.c: Remove CC0.
7250 * config/m68k/m68k.c: Remove CC0.
7251 * config/rl78/rl78.c: Remove CC0.
7252 * config/sparc/sparc.c: Remove CC0.
7253 * config/xtensa/xtensa.c: Remove CC0.
7254 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
7255 RTL where that is used as a placeholder only.
7256 * cprop.c: Remove CC0.
7257 * cse.c: Remove CC0.
7258 * cselib.c: Remove CC0.
7259 * df-problems.c: Remove CC0.
7260 * df-scan.c: Remove CC0.
7261 * doc/md.texi: Remove CC0. Adjust an example.
7262 * doc/rtl.texi: Remove CC0. Adjust an example.
7263 * doc/tm.texi: Regenerate.
7264 * doc/tm.texi.in: Remove CC0.
7265 * emit-rtl.c: Remove CC0.
7266 * final.c: Remove CC0.
7267 * fwprop.c: Remove CC0.
7268 * gcse-common.c: Remove CC0.
7269 * gcse.c: Remove CC0.
7270 * genattrtab.c: Remove CC0.
7271 * genconfig.c: Remove CC0.
7272 * genemit.c: Remove CC0.
7273 * genextract.c: Remove CC0.
7274 * gengenrtl.c: Remove CC0.
7275 * genrecog.c: Remove CC0.
7276 * haifa-sched.c: Remove CC0.
7277 * ifcvt.c: Remove CC0.
7278 * ira-costs.c: Remove CC0.
7279 * ira.c: Remove CC0.
7280 * jump.c: Remove CC0.
7281 * loop-invariant.c: Remove CC0.
7282 * lra-constraints.c: Remove CC0.
7283 * lra-eliminations.c: Remove CC0.
7284 * optabs.c: Remove CC0.
7285 * postreload-gcse.c: Remove CC0.
7286 * postreload.c: Remove CC0.
7287 * print-rtl.c: Remove CC0.
7288 * read-rtl-function.c: Remove CC0.
7289 * reg-notes.def: Remove CC0.
7290 * reg-stack.c: Remove CC0.
7291 * reginfo.c: Remove CC0.
7292 * regrename.c: Remove CC0.
7293 * reload.c: Remove CC0.
7294 * reload1.c: Remove CC0.
7295 * reorg.c: Remove CC0.
7296 * resource.c: Remove CC0.
7297 * rtl.c: Remove CC0.
7298 * rtl.def: Remove CC0.
7299 * rtl.h: Remove CC0.
7300 * rtlanal.c: Remove CC0.
7301 * sched-deps.c: Remove CC0.
7302 * sched-rgn.c: Remove CC0.
7303 * shrink-wrap.c: Remove CC0.
7304 * simplify-rtx.c: Remove CC0.
7305 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
7306 CC_STATUS_MDEP, and CC_STATUS.
7307 * target.def: Remove CC0.
7308 * valtrack.c: Remove CC0.
7309 * var-tracking.c: Remove CC0.
7311 2021-05-04 Richard Biener <rguenther@suse.de>
7313 PR tree-optimization/100414
7314 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
7316 (tree_ssa_phiopt_worker): But unconditionally here.
7318 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
7320 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
7321 && and || with floating-point and complex arguments.
7323 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
7325 * tree-inline.c (insert_debug_decl_map): Delete.
7326 (copy_debug_stmt): Minor tweak.
7327 (setup_one_parameter): Do not use a variable if the value is either
7328 a read-only DECL or a non-addressable local variable in the caller.
7329 In this case, insert the debug-only variable in the map manually.
7330 (expand_call_inline): Do not generate a CLOBBER for these values.
7331 * tree-inline.h (debug_map): Minor tweak.
7333 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
7335 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
7336 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
7338 2021-05-04 Richard Biener <rguenther@suse.de>
7340 PR tree-optimization/100329
7341 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
7343 (insert_stmt_after): Assert we're not running into asm goto.
7345 2021-05-04 Richard Biener <rguenther@suse.de>
7347 PR tree-optimization/100398
7348 * tree-ssa-dse.c (pass_dse::execute): Preserve control
7351 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7353 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
7355 2021-05-04 Alexandre Oliva <oliva@adacore.com>
7357 * builtins.c (try_store_by_multiple_pieces): New.
7358 (expand_builtin_memset_args): Use it. If target_char_cast
7359 fails, proceed as for non-constant val. Pass len's ctz to...
7360 * expr.c (clear_storage_hints): ... this. Try store by
7361 multiple pieces after setmem.
7362 (clear_storage): Adjust.
7363 * expr.h (clear_storage_hints): Likewise.
7364 (try_store_by_multiple_pieces): Declare.
7365 * passes.def: Replace the last copy_prop with ccp.
7367 2021-05-03 Tom de Vries <tdevries@suse.de>
7370 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
7373 2021-05-03 Richard Biener <rguenther@suse.de>
7375 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
7377 2021-05-03 Richard Biener <rguenther@suse.de>
7379 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
7380 (dse_dom_walker): Remove.
7381 (dse_dom_walker::dse_optimize_stmt): Rename...
7382 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
7383 (dse_dom_walker::before_dom_children): Inline ...
7384 (pass_dse::execute): ... here. Perform a reverse program
7387 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
7390 * configure: Regenerated.
7392 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
7395 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
7396 (s390_md_asm_adjust): Handle hard registers.
7398 2021-05-03 Jakub Jelinek <jakub@redhat.com>
7400 PR tree-optimization/100382
7401 * tree-ssa-dse.c: Include tree-eh.h.
7402 (dse_dom_walker::before_dom_children): Don't remove stmts if
7403 stmt_unremovable_because_of_non_call_eh_p is true.
7405 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
7407 * varasm.c (compute_reloc_for_var): Split out from...
7408 (get_variable_section): Use it.
7409 * output.h (compute_reloc_for_var): Declare.
7410 * config/rs6000/rs6000-protos.h
7411 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
7413 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
7414 Don't append storage mapping class to symbol.
7415 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
7416 Don't convert TLS BSS to common.
7417 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
7418 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
7420 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
7422 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
7423 If align is 0 from TLS class, use the same rules as varasm.c
7424 If not common, switch to BSS section manually.
7425 If common, emit appropriate comm or lcomm directive.
7426 (rs6000_xcoff_encode_section_info): Add logic to append all
7427 storage mapping classes.
7428 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
7429 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
7430 rs6000_xcoff_asm_output_aligned_decl_common.
7431 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
7432 rs6000_xcoff_asm_output_aligned_decl_common.
7433 (ASM_OUTPUT_TLS_COMMON): Use
7434 rs6000_xcoff_asm_output_aligned_decl_common.
7436 2021-05-02 Jakub Jelinek <jakub@redhat.com>
7439 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
7440 as first argument of pseudo_node_t constructors.
7442 2021-05-02 Jakub Jelinek <jakub@redhat.com>
7445 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
7447 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
7449 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
7450 (gt_pch_nx (int_range<1> *&)): New.
7451 (gt_ggc_mx (int_range<1> *&)): New.
7452 * value-range.h (class irange): Add GTY support for
7455 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
7457 * doc/options.texi (Negative): Change either or to both and.
7459 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7461 * config/aarch64/aarch64-simd-builtins.def: Add
7462 float_ml[as][q]_laneq builtin generator macros.
7463 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
7464 (aarch64_float_mla_laneq<mode>): Define.
7465 (aarch64_float_mls_laneq<mode>): Define.
7466 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
7467 instead of GCC vector extensions.
7468 (vmlaq_laneq_f32): Likewise.
7469 (vmls_laneq_f32): Likewise.
7470 (vmlsq_laneq_f32): Likewise.
7472 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7474 * config/aarch64/aarch64-simd-builtins.def: Add
7475 float_ml[as]_lane builtin generator macros.
7476 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
7478 (mul_lane<mode>3): This, and re-order arguments.
7479 (aarch64_float_mla_lane<mode>): Define.
7480 (aarch64_float_mls_lane<mode>): Define.
7481 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
7482 instead of GCC vector extensions.
7483 (vmlaq_lane_f32): Likewise.
7484 (vmls_lane_f32): Likewise.
7485 (vmlsq_lane_f32): Likewise.
7487 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7489 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
7490 builtin generator macros.
7491 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
7493 (aarch64_float_mls<mode>): Define.
7494 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
7495 instead of relying on GCC vector extensions.
7496 (vmla_f64): Likewise.
7497 (vmlaq_f32): Likewise.
7498 (vmlaq_f64): Likewise.
7499 (vmls_f32): Likewise.
7500 (vmls_f64): Likewise.
7501 (vmlsq_f32): Likewise.
7502 (vmlsq_f64): Likewise.
7503 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
7505 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
7507 * config/aarch64/aarch64-simd-builtins.def: Add
7508 float_ml[as]_n_builtin generator macros.
7509 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
7511 (mul_n<mode>3): This, and re-order arguments.
7512 (aarch64_float_mla_n<mode>): Define.
7513 (aarch64_float_mls_n<mode>): Define.
7514 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
7515 instead of inline asm.
7516 (vmlaq_n_f32): Likewise.
7517 (vmls_n_f32): Likewise.
7518 (vmlsq_n_f32): Likewise.
7520 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
7522 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
7523 builtin generator macros.
7524 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
7525 (aarch64_pmull_hiv16qi_insn): Define.
7526 (aarch64_pmull_hiv16qi): Define.
7527 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
7528 instead of inline asm.
7529 (vmull_p8): Likewise.
7531 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
7533 * config/avr/avr.md: Adjust peepholes to match and
7534 generate parallels with clobber of REG_CC.
7535 (mov<mode>_insn): Rename to mov<mode>_insn_split.
7536 (*mov<mode>_insn): Rename to mov<mode>_insn.
7538 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
7540 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
7541 for VAR_DECLs if -fdata-sections enabled.
7543 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
7546 * config/rs6000/rs6000.c
7547 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
7548 (rs6000_libgcc_floating_mode_supported_p): New target hook.
7550 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
7552 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
7554 (class back_threader_registry): ...to here...
7555 (class back_threader_profitability): ...and here...
7556 (thread_jumps::thread_through_all_blocks): Remove argument.
7557 (back_threader_registry::back_threader_registry): New.
7558 (back_threader_registry::~back_threader_registry): New.
7559 (back_threader_registry::thread_through_all_blocks): New.
7560 (thread_jumps::profitable_jump_thread_path): Move from here...
7561 (back_threader_profitability::profitable_path_p): ...to here.
7562 (thread_jumps::find_taken_edge): New.
7563 (thread_jumps::convert_and_register_current_path): Move...
7564 (back_threader_registry::register_path): ...to here.
7565 (thread_jumps::register_jump_thread_path_if_profitable): Move...
7566 (thread_jumps::maybe_register_path): ...to here.
7567 (thread_jumps::handle_phi): Call find_taken_edge and
7568 maybe_register_path.
7569 (thread_jumps::handle_assignment): Same.
7570 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
7571 tree argument to handle_phi and handle_assignment.
7572 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
7573 set of m_speed_p and m_max_threaded_paths.
7574 (pass_thread_jumps::execute): Remove second argument from
7575 find_jump_threads_backwards.
7576 (pass_early_thread_jumps::execute): Same.
7578 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
7580 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
7581 (class dom_opt_dom_walker): Initialize some class variables.
7582 (pass_dominator::execute): Pass evrp_range_analyzer and
7583 dom_jump_threader_simplifier to dom_opt_dom_walker.
7584 Adjust for some functions moving into classes.
7585 (simplify_stmt_for_jump_threading): Adjust and move to...
7586 (jump_threader_simplifier::simplify): ...here.
7587 (dom_opt_dom_walker::before_dom_children): Adjust for
7588 m_evrp_range_analyzer.
7589 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
7590 (test_for_singularity): Place in dom_opt_dom_walker class.
7591 (dom_opt_dom_walker::optimize_stmt): The argument
7592 evrp_range_analyzer is now a class field.
7593 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
7594 (thread_jumps::thread_through_all_blocks): New.
7595 (thread_jumps::convert_and_register_current_path): Use m_registry.
7596 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
7597 being in the threader class.
7598 (pass_early_thread_jumps::execute): Same.
7599 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
7600 (jump_threader::jump_threader): ...here.
7601 (threadedge_finalize_values): Move...
7602 (jump_threader::~jump_threader): ...here.
7603 (jump_threader::remove_jump_threads_including): New.
7604 (jump_threader::thread_through_all_blocks): New.
7605 (record_temporary_equivalences_from_phis): Move...
7606 (jump_threader::record_temporary_equivalences_from_phis): ...here.
7607 (record_temporary_equivalences_from_stmts_at_dest): Move...
7608 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
7610 (simplify_control_stmt_condition_1): Move to jump_threader class.
7611 (simplify_control_stmt_condition): Move...
7612 (jump_threader::simplify_control_stmt_condition): ...here.
7613 (thread_around_empty_blocks): Move...
7614 (jump_threader::thread_around_empty_blocks): ...here.
7615 (thread_through_normal_block): Move...
7616 (jump_threader::thread_through_normal_block): ...here.
7617 (thread_across_edge): Move...
7618 (jump_threader::thread_across_edge): ...here.
7619 (thread_outgoing_edges): Move...
7620 (jump_threader::thread_outgoing_edges): ...here.
7621 * tree-ssa-threadedge.h: Move externally facing functings...
7622 (class jump_threader): ...here...
7623 (class jump_threader_simplifier): ...and here.
7624 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
7625 (jump_thread_path_allocator::jump_thread_path_allocator): New.
7626 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
7627 (jump_thread_path_allocator::allocate_thread_edge): New.
7628 (jump_thread_path_allocator::allocate_thread_path): New.
7629 (jump_thread_path_registry::jump_thread_path_registry): New.
7630 (jump_thread_path_registry::~jump_thread_path_registry): New.
7631 (jump_thread_path_registry::allocate_thread_edge): New.
7632 (jump_thread_path_registry::allocate_thread_path): New.
7633 (dump_jump_thread_path): Make extern.
7634 (debug (const vec<jump_thread_edge *> &path)): New.
7635 (struct removed_edges): Move to tree-ssa-threadupdate.h.
7636 (struct thread_stats_d): Remove.
7637 (remove_ctrl_stmt_and_useless_edges): Make static.
7638 (lookup_redirection_data): Move...
7639 (jump_thread_path_registry::lookup_redirection_data): ...here.
7640 (ssa_redirect_edges): Make static.
7641 (thread_block_1): Move...
7642 (jump_thread_path_registry::thread_block_1): ...here.
7643 (thread_block): Move...
7644 (jump_thread_path_registry::thread_block): ...here.
7645 (thread_through_loop_header): Move...
7646 (jump_thread_path_registry::thread_through_loop_header): ...here.
7647 (mark_threaded_blocks): Move...
7648 (jump_thread_path_registry::mark_threaded_blocks): ...here.
7649 (debug_path): Move...
7650 (jump_thread_path_registry::debug_path): ...here.
7651 (debug_all_paths): Move...
7652 (jump_thread_path_registry::dump): ..here.
7653 (rewire_first_differing_edge): Move...
7654 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
7655 (adjust_paths_after_duplication): Move...
7656 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
7657 (duplicate_thread_path): Move...
7658 (jump_thread_path_registry::duplicate_thread_path): ..here.
7659 (remove_jump_threads_including): Move...
7660 (jump_thread_path_registry::remove_jump_threads_including): ...here.
7661 (thread_through_all_blocks): Move to...
7662 (jump_thread_path_registry::thread_through_all_blocks): ...here.
7663 (delete_jump_thread_path): Remove.
7664 (register_jump_thread): Move...
7665 (jump_thread_path_registry::register_jump_thread): ...here.
7666 * tree-ssa-threadupdate.h: Move externally facing functions...
7667 (class jump_thread_path_allocator): ...here...
7668 (class jump_thread_path_registry): ...and here.
7669 (thread_through_all_blocks): Remove.
7670 (struct removed_edges): New.
7671 (register_jump_thread): Remove.
7672 (remove_jump_threads_including): Remove.
7673 (delete_jump_thread_path): Remove.
7674 (remove_ctrl_stmt_and_useless_edges): Remove.
7675 (free_dom_edge_info): New prototype.
7676 * tree-vrp.c: Remove x_vr_values hack.
7677 (class vrp_jump_threader_simplifier): New.
7678 (vrp_jump_threader_simplifier::simplify): New.
7679 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
7680 Remove m_dummy_cond.
7681 Instantiate m_simplifier and m_threader.
7682 (vrp_jump_threader::thread_through_all_blocks): New.
7683 (vrp_jump_threader::simplify_stmt): Remove.
7684 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
7685 Remove x_vr_values hack.
7686 (execute_vrp): Adjust for thread_through_all_blocks being in a
7689 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
7691 * genflags.c (gen_insn): Print failed expansion string.
7693 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
7695 * expr.c (alignment_for_piecewise_move): Call mode_for_size
7696 without limit to MAX_FIXED_MODE_SIZE.
7698 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
7701 * builtins.c (builtin_memset_gen_str): Don't use return from
7702 simplify_gen_subreg.
7704 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
7707 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
7708 (*addsi3_carry_zext_0r): Ditto.
7709 (*sub<mode>3_carry_0): Ditto.
7710 (*subsi3_carry_zext_0r): Ditto.
7711 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
7713 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
7714 Also consider ix86_carry_flag_unset_operator to calculate
7715 the cost of adc/sbb insn.
7717 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
7719 PR rtl-optimization/100225
7720 PR rtl-optimization/84878
7721 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
7722 where we have an instruction which touches (writes) any hard
7723 register from df->regular_block_artificial_uses set.
7724 Allow not-single-set instruction only right before basic block
7727 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
7729 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
7731 2021-04-30 LevyHsu <admin@levyhsu.com>
7733 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
7734 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
7735 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
7736 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
7738 2021-04-29 Alexandre Oliva <oliva@adacore.com>
7740 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
7742 2021-04-29 Alexandre Oliva <oliva@adacore.com>
7744 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
7745 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
7746 * config/i386/i386.c: Adjust.
7747 * config/i386/i386.md: Adjust.
7748 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
7749 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7750 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7751 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7752 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7753 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7754 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7755 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7756 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7757 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7758 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
7760 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
7762 * config/i386/i386-expand.c (ix86_expand_int_compare):
7763 Swap operands of GTU and LEU comparison to emit carry flag comparison.
7764 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
7765 predicate to allow more combine opportunities with memory operands.
7766 (*sub<mode>3_carry_0): Ditto.
7768 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
7770 PR rtl-optimization/100303
7771 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
7772 boolean that indicates whether the use will only be used in
7773 debug instructions. Treat it in the same way that existing
7774 cross-EBB debug references would be handled if so.
7775 (function_info::make_uses_available): Likewise.
7776 * rtl-ssa/functions.h (function_info::make_uses_available): Update
7777 prototype accordingly.
7778 (function_info::make_uses_available): Likewise.
7779 * fwprop.c (try_fwprop_subst): Update call accordingly.
7781 2021-04-29 Jeff Law <jlaw@tachyum.com>
7783 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
7786 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
7787 Richard Biener <rguenther@suse.de>
7790 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
7791 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
7792 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
7793 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
7794 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
7795 to PURE_ARGS category.
7796 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
7797 Handle PURE_ARGS category.
7798 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
7800 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
7802 * configure.ac: Check for the presence of sys/locking.h header and
7803 for whether _LK_LOCK is supported by _locking.
7804 * configure: Regenerate.
7805 * config.in: Likewise.
7806 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
7807 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
7808 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
7810 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
7812 * config/i386/predicates.md (fcmov_comparison_operator):
7813 Do not check for trivial FP comparison operator.
7814 <case GEU, case LTU>: Allow CCGZmode.
7815 <case GTU, case LEU>: Do not allow CCCmode.
7816 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
7817 (ix86_carry_flag_operator): Match only LTU and UNLT code.
7818 Do not check for trivial FP comparison operator. Allow CCGZmode.
7820 2021-04-29 Tom de Vries <tdevries@suse.de>
7822 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
7823 fd->loop.step by either step or orig_step.
7825 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
7827 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
7828 (load_got_register): Do the PIC dance here.
7829 (sparc_legitimize_tls_address): Simplify.
7830 (sparc_emit_probe_stack_range): Likewise.
7831 (sparc32_initialize_trampoline): Likewise.
7832 (sparc64_initialize_trampoline): Likewise.
7833 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
7834 (probe_stack_range<P:mode>): Likewise.
7835 (flush<P:mode>): Likewise.
7836 (tgd_hi22<P:mode>): Likewise.
7837 (tgd_lo10<P:mode>): Likewise.
7838 (tgd_add<P:mode>): Likewise.
7839 (tgd_call<P:mode>): Likewise.
7840 (tldm_hi22<P:mode>): Likewise.
7841 (tldm_lo10<P:mode>): Likewise.
7842 (tldm_add<P:mode>): Likewise.
7843 (tldm_call<P:mode>): Likewise.
7844 (tldo_hix22<P:mode>): Likewise.
7845 (tldo_lox10<P:mode>): Likewise.
7846 (tldo_add<P:mode>): Likewise.
7847 (tie_hi22<P:mode>): Likewise.
7848 (tie_lo10<P:mode>): Likewise.
7849 (tie_add<P:mode>): Likewise.
7850 (tle_hix22<P:mode>): Likewise.
7851 (tle_lox10<P:mode>): Likewise.
7852 (stack_protect_setsi): Rename to...
7853 (stack_protect_set32): ...this.
7854 (stack_protect_setdi): Rename to...
7855 (stack_protect_set64): ...this.
7856 (stack_protect_set): Adjust calls to above.
7857 (stack_protect_testsi): Rename to...
7858 (stack_protect_test32): ...this.
7859 (stack_protect_testdi): Rename to...
7860 (stack_protect_test64): ...this.
7861 (stack_protect_test): Adjust calls to above.
7863 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
7866 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
7867 (builtin_strncpy_read_str): Likewise.
7868 (builtin_memset_read_str): Add an argument for the previous RTL
7869 information and generate the new RTL from the previous RTL info.
7870 (builtin_memset_gen_str): Likewise.
7871 * builtins.h (builtin_strncpy_read_str): Update the prototype.
7872 (builtin_memset_read_str): Likewise.
7873 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
7874 returns true, round up size and alignment to the widest integer
7875 mode for maximum size.
7876 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
7877 and pass it to m_constfn.
7878 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
7879 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
7880 initialize m_push. Initialize m_overlap_op_by_pieces with
7881 targetm.overlap_op_by_pieces_p ().
7882 (op_by_pieces_d::run): Pass the previous RTL information to
7883 pieces_addr::adjust and generate overlapping operations if
7884 m_overlap_op_by_pieces is true.
7886 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
7888 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
7890 (can_store_by_pieces): Use by_pieces_constfn on constfun.
7891 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
7892 for op_by_pieces_d change.
7893 (clear_by_pieces_1): Add a dummy argument.
7894 (clear_by_pieces): Updated for op_by_pieces_d change.
7895 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
7896 (string_cst_read_str): Add a dummy argument.
7897 * expr.h (by_pieces_constfn): Add a dummy argument.
7898 (by_pieces_prev): New.
7899 * target.def (overlap_op_by_pieces_p): New target hook.
7900 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
7901 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
7902 * doc/tm.texi: Regenerated.
7904 2021-04-29 Richard Biener <rguenther@suse.de>
7906 PR tree-optimization/100253
7907 * tree-vect-stmts.c (vectorizable_load): Do not assume
7908 element alignment when DR_MISALIGNMENT is -1.
7909 (vectorizable_store): Likewise.
7911 2021-04-29 Jakub Jelinek <jakub@redhat.com>
7914 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
7915 absu_hwi instead of abs_hwi.
7917 2021-04-29 Richard Biener <rguenther@suse.de>
7920 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
7921 forwarding when indirect forwarding through ESCAPED
7924 2021-04-29 Tom de Vries <tdevries@suse.de>
7927 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
7928 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
7929 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
7930 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
7932 2021-04-29 Richard Biener <rguenther@suse.de>
7934 PR tree-optimization/99912
7935 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
7936 (dse_dom_walker::todo): Likewise.
7937 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
7939 (dse_dom_walker::before_dom_children): Remove trivially
7940 dead SSA defs and schedule CFG cleanup if we removed all
7942 (pass_dse::execute): Get TODO as computed by the DOM walker
7943 and return it. Wipe dominator info earlier.
7945 2021-04-29 Richard Biener <rguenther@suse.de>
7948 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
7949 Track blocks to cleanup EH in new m_need_eh_cleanup.
7950 (ipcp_modif_dom_walker::cleanup_eh): New.
7951 (ipcp_transform_function): Release dominator info before
7954 2021-04-29 Martin Sebor <msebor@redhat.com>
7956 PR middle-end/100250
7957 * attribs.c (attr_access::array_as_string): Avoid dereferencing
7958 a pointer when it's null.
7960 2021-04-29 Martin Sebor <msebor@redhat.com>
7962 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
7963 * ipa-free-lang-data.cc: New file.
7964 * tree.c: Move pass free_lang_data to file above.
7965 (build_array_type_1): Declare extern.
7966 * tree.h (build_array_type_1): Declare.
7968 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
7970 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
7971 make consistent with updated RTL pattern.
7972 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
7973 Implement using ss_truncate and us_truncate rather than
7975 * config/aarch64/iterators.md: Remove redundant unspecs and
7976 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
7978 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
7980 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
7981 attributes consistent with those defined in arm_neon.h.
7983 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
7985 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
7986 attributes consistent with those defined in arm_neon.h.
7988 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
7990 * config/aarch64/aarch64-simd-builtins.def: Add
7991 float_trunc_rodd builtin generator macros.
7992 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
7994 (aarch64_float_trunc_rodd_lo_v2sf): Define.
7995 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
7996 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
7997 (aarch64_float_trunc_rodd_hi_v4sf): Define.
7998 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
7999 instead of inline asm.
8000 (vcvtx_high_f32_f64): Likewise.
8001 (vcvtxd_f32_f64): Likewise.
8002 * config/aarch64/iterators.md: Add FCVTXN unspec.
8004 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8006 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
8008 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
8010 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
8011 instead of inline asm.
8012 (vqtbx1_u8): Likewise.
8013 (vqtbx1_p8): Likewise.
8014 (vqtbx1q_s8): Likewise.
8015 (vqtbx1q_u8): Likewise.
8016 (vqtbx1q_p8): Likewise.
8017 (vtbx2_s8): Likewise.
8018 (vtbx2_u8): Likewise.
8019 (vtbx2_p8): Likewise.
8021 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8023 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
8025 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
8026 instead of inline asm.
8027 (vqtbl1_s8): Likewise.
8028 (vqtbl1_u8): Likewise.
8029 (vqtbl1q_p8): Likewise.
8030 (vqtbl1q_s8): Likewise.
8031 (vqtbl1q_u8): Likewise.
8032 (vtbl1_s8): Likewise.
8033 (vtbl1_u8): Likewise.
8034 (vtbl1_p8): Likewise.
8035 (vtbl2_s8): Likewise.
8036 (vtbl2_u8): Likewise.
8037 (vtbl2_p8): Likewise.
8039 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8041 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
8042 ssri_n buitin generator macro.
8043 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
8044 instead of inline asm.
8045 (vsri_n_p16): Likewise.
8046 (vsri_n_p64): Likewise.
8047 (vsriq_n_p8): Likewise.
8048 (vsriq_n_p16): Likewise.
8049 (vsriq_n_p64): Likewise.
8051 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8053 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
8054 iterator for polynomial ssli_n builtin generator macro.
8055 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
8056 instead of inline asm.
8057 (vsli_n_p16): Likewise.
8058 (vsliq_n_p8): Likewise.
8059 (vsliq_n_p16): Likewise.
8060 * config/aarch64/iterators.md: Define VALLP mode iterator.
8062 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8064 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
8065 iterator to generate [su]adalp RTL builtins.
8066 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
8067 [su]adalp RTL pattern.
8068 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
8069 instead of inline asm.
8070 (vpadal_u32): Likewise.
8072 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8074 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
8075 builtin generator macros.
8076 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
8078 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
8079 instead of inline asm.
8080 (vpaddl_s16): Likewise.
8081 (vpaddl_s32): Likewise.
8082 (vpaddl_u8): Likewise.
8083 (vpaddl_u16): Likewise.
8084 (vpaddl_u32): Likewise.
8085 (vpaddlq_s8): Likewise.
8086 (vpaddlq_s16): Likewise.
8087 (vpaddlq_s32): Likewise.
8088 (vpaddlq_u8): Likewise.
8089 (vpaddlq_u16): Likewise.
8090 (vpaddlq_u32): Liwewise.
8091 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
8092 appropriate attributes.
8094 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8096 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
8097 for aarch64_addp<mode> builtin macro generator.
8098 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
8099 aarch64_addp<mode> RTL pattern.
8100 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
8101 instead of inline asm.
8102 (vpaddq_s16): Likewise.
8103 (vpaddq_s32): Likewise.
8104 (vpaddq_s64): Likewise.
8105 (vpaddq_u8): Likewise.
8106 (vpaddq_u16): Likewise.
8107 (vpaddq_u32): Likewise.
8108 (vpaddq_u64): Likewise.
8110 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
8112 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
8113 builtin generator macros.
8114 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
8116 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
8117 instead of inline asm.
8118 (vqdmulh_n_s32): Likewise.
8119 (vqdmulhq_n_s16): Likewise.
8120 (vqdmulhq_n_s32): Likewise.
8121 (vqrdmulh_n_s16): Likewise.
8122 (vqrdmulh_n_s32): Likewise.
8123 (vqrdmulhq_n_s16): Likewise.
8124 (vqrdmulhq_n_s32): Likewise.
8126 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
8128 * doc/install.texi (--enable-offload-defaulted): Document.
8130 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
8132 * config/avr/avr-dimode.md: Turn existing patterns into
8133 define_insn_and_split style patterns where the splitter
8134 adds a clobber of the condition code register. Drop "cc"
8135 attribute. Add new patterns to match output of
8137 * config/avr/avr-fixed.md: Likewise.
8138 * config/avr/avr.c (cc_reg_rtx): New.
8139 (avr_parallel_insn_from_insns): Adjust insn count
8140 for removal of set of cc0.
8141 (avr_is_casesi_sequence): Likewise.
8142 (avr_casei_sequence_check_operands): Likewise.
8143 (avr_optimize_casesi): Likewise. Also insert
8144 new insns after jump_insn.
8145 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
8146 for removal of set of cc0.
8147 (avr_init_expanders): Initialize cc_reg_rtx.
8148 (avr_regno_reg_class): Handle REG_CC.
8149 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
8150 (avr_notice_update_cc): Remove function.
8151 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
8152 (compare_condition): Adjust for PARALLEL with
8154 (out_shift_with_cnt): Likewise.
8155 (ashlhi3_out): Likewise.
8156 (ashrhi3_out): Likewise.
8157 (lshrhi3_out): Likewise.
8158 (avr_class_max_nregs): Return single reg for REG_CC.
8159 (avr_compare_pattern): Check for REG_CC instead
8161 (avr_reorg_remove_redundant_compare): Likewise.
8162 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
8163 (avr_hard_regno_nregs): Return single reg for REG_CC.
8164 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
8165 (avr_md_asm_adjust): Clobber REG_CC.
8166 (TARGET_HARD_REGNO_NREGS): Define.
8167 (TARGET_CLASS_MAX_NREGS): Define.
8168 (TARGET_MD_ASM_ADJUST): Define.
8169 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
8171 (enum reg_class): Add CC_REG class.
8172 (NOTICE_UPDATE_CC): Remove.
8173 (CC_OVERFLOW_UNUSABLE): Remove.
8174 (CC_NO_CARRY): Remove.
8175 * config/avr/avr.md: Turn existing patterns into
8176 define_insn_and_split style patterns where the splitter
8177 adds a clobber of the condition code register. Drop "cc"
8178 attribute. Add new patterns to match output of
8180 (sez): Remove unused pattern.
8182 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
8185 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
8188 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
8191 * config/aarch64/constraints.md (Utq): Require the address to
8192 be valid for both the element mode and for V2DImode.
8194 2021-04-28 Jakub Jelinek <jakub@redhat.com>
8195 Tobias Burnus <tobias@codesourcery.com>
8197 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
8198 * gcc.c (process_command): New variable.
8199 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
8200 set it if -foffload is defaulted.
8201 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
8202 (compile_offload_image): If OFFLOAD_DEFAULTED and
8203 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
8204 if corresponding mkoffload can't be found.
8205 (compile_images_for_offload_targets): Likewise. Free and clear
8206 offload_names if no valid offload is found.
8207 * config.in: Regenerate.
8208 * configure: Regenerate.
8210 2021-04-28 Richard Biener <rguenther@suse.de>
8212 PR tree-optimization/100292
8213 * tree-vect-generic.c (expand_vector_condition): Do not fold
8216 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8218 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
8219 * config/rs6000/aix64.opt (m64): New.
8222 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8224 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
8225 (index_term_p): Handle ASHIFT too.
8227 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8229 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
8230 (sync_lock_test_and_set<mode>): Adjust accordingly.
8231 (sync_lock_release<mode>): Likewise.
8233 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
8235 * config/vax/vax-protos.h (adjacent_operands_p): Remove
8237 * config/vax/vax.c (adjacent_operands_p): Remove.
8239 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
8241 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
8242 through to the non-conditional execution case if getting the
8243 condition for conditional execution has failed.
8245 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
8247 PR middle-end/100284
8248 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
8249 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
8250 than asserting on it.
8252 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8254 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
8257 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
8260 * calls.c (precompute_register_parameters): Additionally test
8261 targetm.precompute_tls_p to pre-compute argument.
8262 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
8263 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
8264 * target.def (precompute_tls_p): New.
8265 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
8266 * doc/tm.texi: Regenerated.
8268 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8271 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
8272 back to HOST_WIDE_INT.
8274 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
8277 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
8278 memory alignment for the outer mode.
8280 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
8283 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
8284 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
8286 2021-04-27 Alex Coplan <alex.coplan@arm.com>
8289 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
8290 with negative immediates: ensure we expand cbranchsi4_scratch
8291 correctly and ensure we satisfy its constraints.
8292 * config/arm/sync.md
8293 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
8294 attempt to tie two output operands together with constraints;
8295 collapse two alternatives.
8296 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
8297 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
8299 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8302 * config/aarch64/predicates.md (aarch64_sub_immediate,
8303 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
8304 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
8305 * config/aarch64/aarch64.c (aarch64_print_operand,
8306 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
8308 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8310 PR tree-optimization/100239
8311 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
8312 permutations with all indices from the first zero element as vec_shl.
8314 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8316 PR rtl-optimization/100254
8317 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
8318 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
8320 2021-04-27 Richard Biener <rguenther@suse.de>
8322 PR tree-optimization/99912
8323 * passes.def: Add comment about new TODO_remove_unused_locals.
8324 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
8327 2021-04-27 Richard Biener <rguenther@suse.de>
8329 PR tree-optimization/99912
8330 * passes.def (pass_all_optimizations): Add pass_dse before
8331 the first pass_dce, move the first pass_dse before the
8332 pass_dce following pass_pre.
8334 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8336 PR tree-optimization/95527
8337 * generic-match-head.c: Include tm.h.
8338 * gimple-match-head.c: Include tm.h.
8339 * match.pd (CLZ == INTEGER_CST): Don't use
8340 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
8341 if clz == CFN_CLZ. Add missing val declaration.
8342 (CTZ cmp CST): New simplifications.
8344 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8346 PR tree-optimization/96696
8347 * expr.c (expand_expr_divmod): New function.
8348 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
8349 divisions. Formatting fixes.
8350 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
8353 2021-04-27 Martin Jambor <mjambor@suse.cz>
8356 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
8357 If removing a call statement LHS SSA name, release it.
8359 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
8362 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
8363 is valid before including it in the mask.
8365 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
8368 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
8371 2021-04-27 Richard Biener <rguenther@suse.de>
8373 PR tree-optimization/100051
8374 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
8375 disambiguator based on access size vs. decl size.
8377 2021-04-27 Richard Biener <rguenther@suse.de>
8379 PR tree-optimization/100278
8380 * tree-ssa-pre.c (compute_avail): Give up when we cannot
8381 adjust TBAA beacuse of mismatching bases.
8383 2021-04-27 Jakub Jelinek <jakub@redhat.com>
8386 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
8387 For any_rotate define_insn_split and following splitters, use
8388 SWI iterator instead of SWI48.
8390 2021-04-27 Richard Biener <rguenther@suse.de>
8392 PR tree-optimization/99776
8393 * match.pd (bit_field_ref (ctor)): Relax element extract
8394 type compatibility checks.
8396 2021-04-27 Cui,Lili <lili.cui@intel.com>
8398 * common/config/i386/i386-common.c (processor_names):
8399 Sync processor_names with processor_type.
8400 * config/i386/i386-options.c (processor_cost_table):
8401 Sync processor_cost_table with processor_type.
8403 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8405 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
8406 (irange::set): Call irange_set_1bit_anti_range for handling all
8407 1-bit ranges. Fall through on ~[MIN,MAX].
8409 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8411 * value-range.cc (irange::legacy_num_pairs): Remove.
8412 (irange::invert): Change gcc_assert to gcc_checking_assert.
8413 * value-range.h (irange::num_pairs): Adjust for a cached
8414 num_pairs(). Also, rename all gcc_assert's to
8415 gcc_checking_assert's.
8417 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8419 * value-range.cc (irange::operator=): Set m_kind.
8420 (irange::copy_to_legacy): Handle varying and undefined sources
8421 as a legacy copy since they can be easily copied.
8422 (irange::irange_set): Set m_kind.
8423 (irange::irange_set_anti_range): Same.
8424 (irange::set): Rename normalize_min_max to normalize_kind.
8425 (irange::verify_range): Adjust for multi-ranges having the
8427 (irange::irange_union): Set m_kind.
8428 (irange::irange_intersect): Same.
8429 (irange::invert): Same.
8430 * value-range.h (irange::kind): Always return m_kind.
8431 (irange::varying_p): Rename to...
8432 (irange::varying_comptaible_p): ...this.
8433 (irange::undefined_p): Only look at m_kind.
8434 (irange::irange): Always set VR_UNDEFINED if applicable.
8435 (irange::set_undefined): Always set VR_UNDEFINED.
8436 (irange::set_varying): Always set m_kind to VR_VARYING.
8437 (irange::normalize_min_max): Rename to...
8438 (irange::normalize_kind): ...this.
8440 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8442 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
8443 Adjust for constant_p including varying_p.
8444 * tree-vrp.c (vrp_prop::finalize): Same.
8445 (determine_value_range): Same.
8446 * vr-values.c (vr_values::range_of_expr): Same.
8447 * value-range.cc (irange::symbolic_p): Do not check varying_p.
8448 (irange::constant_p): Same.
8450 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
8452 * value-range.cc (irange::legacy_lower_bound): Replace
8453 !undefined_p check with num_ranges > 0.
8454 (irange::legacy_upper_bound): Same.
8455 * value-range.h (irange::type): Same.
8456 (irange::lower_bound): Same.
8457 (irange::upper_bound): Same.
8459 2021-04-26 Richard Biener <rguenther@suse.de>
8461 PR tree-optimization/99956
8462 * gimple-loop-interchange.cc (compute_access_stride):
8463 Try instantiating the access in a shallower loop nest
8464 if instantiating failed.
8465 (compute_access_strides): Pass adjustable loop_nest
8466 to compute_access_stride.
8468 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
8470 * doc/sourcebuild.texi (arm_cmse_hw): Document.
8472 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8474 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
8476 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
8477 Nathan Sidwell <nathan@codesourcery.com>
8478 Tom de Vries <vries@codesourcery.com>
8479 Julian Brown <julian@codesourcery.com>
8480 Kwok Cheung Yeung <kcy@codesourcery.com>
8482 * omp-offload.c (oacc_validate_dims): Implement
8483 '-Wopenacc-parallelism'.
8484 * doc/invoke.texi (-Wopenacc-parallelism): Document.
8486 2021-04-26 Richard Biener <rguenther@suse.de>
8488 * tree-cfg.h (gimplify_build1): Remove.
8489 (gimplify_build2): Likewise.
8490 (gimplify_build3): Likewise.
8491 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
8492 (gimplify_build2): Likewise.
8493 (gimplify_build3): Likewise.
8494 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
8496 (gimplify_build2): Likewise.
8497 (gimplify_build3): Likewise.
8498 (tree_vec_extract): Use resimplify with following SSA edges.
8499 (expand_vector_parallel): Avoid passing NULL size/bitpos
8500 to tree_vec_extract.
8501 * expr.c (store_constructor): Deal with zero-element CTORs.
8502 * match.pd (bit_field_ref <vector CTOR>): Make sure to
8503 produce vector constants when possible.
8505 2021-04-26 Richard Biener <rguenther@suse.de>
8507 * tree-complex.c: Include gimple-fold.h.
8508 (expand_complex_addition): Use gimple_build.
8509 (expand_complex_multiplication_components): Likewise.
8510 (expand_complex_multiplication): Likewise.
8511 (expand_complex_div_straight): Likewise.
8512 (expand_complex_div_wide): Likewise.
8513 (expand_complex_division): Likewise.
8514 (expand_complex_conjugate): Likewise.
8515 (expand_complex_comparison): Likewise.
8517 2021-04-26 Richard Biener <rguenther@suse.de>
8519 * tree-ssa-phiopt.c (two_value_replacement): Remove use
8520 of legacy gimplify_buildN API.
8522 2021-04-26 Richard Biener <rguenther@suse.de>
8524 PR tree-optimization/99473
8525 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
8528 2021-04-26 Richard Biener <rguenther@suse.de>
8530 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
8531 Use replace_call_with_value.
8533 2021-04-26 Richard Biener <rguenther@suse.de>
8535 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
8536 (update_gimple_call): Likewise.
8537 (update_call_from_tree): Likewise.
8538 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
8539 (valid_gimple_call_p): Likewise.
8540 (move_ssa_defining_stmt_for_defs): Likewise.
8541 (finish_update_gimple_call): Likewise.
8542 (update_gimple_call): Likewise.
8543 (update_call_from_tree): Likewise.
8544 (propagate_tree_value_into_stmt): Use replace_call_with_value.
8545 * gimple-fold.h (update_gimple_call): Declare.
8546 * gimple-fold.c (valid_gimple_rhs_p): Move here from
8547 tree-ssa-propagate.c.
8548 (update_gimple_call): Likewise.
8549 (valid_gimple_call_p): Likewise.
8550 (finish_update_gimple_call): Likewise, and simplify.
8551 (gimplify_and_update_call_from_tree): Implement
8552 update_call_from_tree functionality, avoid excessive
8553 push/pop_gimplify_context.
8554 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
8555 (gimple_fold_call): Likewise.
8556 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
8557 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
8558 (pass_fold_builtins::execute): Likewise.
8559 (optimize_stack_restore): Use replace_call_with_value.
8560 * tree-cfg.c (fold_loop_internal_call): Likewise.
8561 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
8562 only gimplify_and_update_call_from_tree.
8563 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
8564 (handle_builtin_strchr): Likewise.
8565 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
8567 2021-04-26 Jakub Jelinek <jakub@redhat.com>
8570 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
8571 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
8574 2021-04-25 liuhongt <hongtao.liu@intel.com>
8577 * config/i386/i386-builtin.def (BDESC): Change the icode of
8578 the following builtins to CODE_FOR_nothing.
8579 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
8580 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
8581 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
8582 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
8583 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
8584 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
8585 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
8586 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
8587 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
8588 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
8589 (sse2_eq<mode>3): Ditto.
8590 (sse4_1_eqv2di3): Ditto.
8591 (sse2_gt<mode>3): Rename to ..
8592 (*sse2_gt<mode>3): .. this.
8594 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
8597 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
8600 * config/darwin.c (darwin_binds_local_p): Assume that any
8601 public symbol might be interposed for PIC code. Update function
8602 header comment to reflect current Darwin capability.
8604 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
8607 * config/darwin.c (darwin_binds_local_p): Assume that any
8608 public symbol might be interposed for PIC code. Update function
8609 header comment to reflect current Darwin capability.
8611 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
8613 * doc/sourcebuild.texi: Document no-opts and any-opts target
8616 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
8618 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
8620 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
8622 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
8624 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
8627 * config/i386/i386-options.c (ix86_option_override_internal):
8628 Error out when -m96bit-long-double is used with 64bit targets.
8629 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
8631 2021-04-23 Martin Liska <mliska@suse.cz>
8633 * lto-wrapper.c: Remove FIXME about usage of
8634 hardware_concurrency. The function is not on par with
8637 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
8640 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
8641 Copy operand 3 to operand 4. Use sse_reg_operand
8642 as operand 3 predicate.
8643 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
8644 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
8645 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
8646 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
8647 Copy operand 1 to operand 0.
8648 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
8649 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
8650 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
8652 2021-04-23 Alex Coplan <alex.coplan@arm.com>
8654 PR rtl-optimization/100230
8655 * early-remat.c (early_remat::sort_candidates): Use delete[]
8656 instead of delete for array allocated with new[].
8658 2021-04-23 Richard Biener <rguenther@suse.de>
8660 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
8661 (capture_info::capture_info): Likewise.
8662 (capture_info::walk_match): Likewise.
8663 (expr::gen_transform): Likewise.
8664 (dt_simplify::gen_1): Likewise.
8665 * gimple-match-head.c (maybe_resimplify_conditional_op):
8666 Remove VEC_COND_EXPR special-casing.
8667 (gimple_simplify): Likewise.
8668 * gimple.c (gimple_could_trap_p_1): Adjust.
8669 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
8670 to participate in PRE.
8672 2021-04-23 Richard Biener <rguenther@suse.de>
8674 * cfganal.c (connect_infinite_loops_to_exit): First call
8675 add_noreturn_fake_exit_edges.
8676 * ipa-sra.c (process_scan_results): Do not call the now redundant
8677 add_noreturn_fake_exit_edges.
8678 * predict.c (tree_estimate_probability): Likewise.
8679 (rebuild_frequencies): Likewise.
8680 * store-motion.c (one_store_motion_pass): Likewise.
8682 2021-04-23 Richard Biener <rguenther@suse.de>
8684 PR tree-optimization/100222
8685 * predict.c (pass_profile::execute): Remove redundant call to
8686 mark_irreducible_loops.
8687 (report_predictor_hitrates): Likewise.
8689 2021-04-23 Richard Biener <rguenther@suse.de>
8691 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
8692 valid_gimple_rhs_p by instead gimplifying to one.
8694 2021-04-23 Richard Biener <rguenther@suse.de>
8696 PR tree-optimization/99971
8697 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
8698 Always use TBAA for loads.
8700 2021-04-23 liuhongt <hongtao.liu@intel.com>
8703 * config/i386/i386-options.c (ix86_option_override_internal):
8704 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
8705 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
8706 by target attribute.
8708 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
8710 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
8712 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
8714 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
8716 * config.gcc (powerpc-ibm-aix6.*): Remove.
8717 * config/rs6000/aix61.h: Delete.
8719 2021-04-22 Martin Liska <mliska@suse.cz>
8723 * builtins.c (expand_builtin): Fix typos and missing comments.
8724 * dwarf2out.c (gen_subprogram_die): Likewise.
8725 (gen_struct_or_union_type_die): Likewise.
8727 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
8730 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
8731 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
8733 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
8735 * config/i386/darwin.h (TARGET_64BIT): Remove definition
8736 based on TARGET_ISA_64BIT.
8737 (TARGET_64BIT_P): Remove definition based on
8738 TARGET_ISA_64BIT_P().
8740 2021-04-21 Martin Liska <mliska@suse.cz>
8743 2021-04-21 Martin Liska <mliska@suse.cz>
8745 * lto-wrapper.c (cpuset_popcount): Remove.
8746 (init_num_threads): Remove and use hardware_concurrency.
8748 2021-04-21 Martin Liska <mliska@suse.cz>
8751 * main.c (main): Call toplev::finalize in CHECKING_P mode.
8752 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
8753 when incremental LTO linking happens.
8755 2021-04-21 Martin Liska <mliska@suse.cz>
8757 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
8758 makeserver cannot be detected, then use -flto=N fallback.
8760 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
8762 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
8763 default to yes for aarch64-linux-gnu.
8764 * configure: Regenerate.
8766 2021-04-21 Martin Liska <mliska@suse.cz>
8768 * lto-wrapper.c (cpuset_popcount): Remove.
8769 (init_num_threads): Remove and use hardware_concurrency.
8771 2021-04-21 Martin Liska <mliska@suse.cz>
8773 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
8774 which remains to be '(... || 0)' and clang complains about it.
8775 * dwarf2out.c (AT_vms_delta): Declare conditionally.
8776 (add_AT_vms_delta): Likewise.
8777 * tree.c (fld_simplified_type): Use rather more common pattern
8778 for disabling of something (#if 0).
8779 (get_tree_code_name): Likewise.
8780 (verify_type_variant): Likewise.
8782 2021-04-21 Martin Liska <mliska@suse.cz>
8784 * config/i386/i386-expand.c (decide_alignment): Use newly named
8786 * config/i386/i386.c (ix86_decompose_address): Likewise.
8787 (ix86_address_cost): Likewise.
8788 (ix86_lea_outperforms): Likewise.
8789 (ix86_avoid_lea_for_addr): Likewise.
8790 (ix86_add_stmt_cost): Likewise.
8791 * config/i386/i386.h (TARGET_*): Remove.
8792 (TARGET_CPU_P): New macro.
8793 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
8794 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
8795 (swap_top_of_ready_list): Likewise.
8796 (ix86_atom_sched_reorder): Likewise.
8797 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
8798 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
8800 2021-04-21 Martin Liska <mliska@suse.cz>
8802 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
8804 (SET_TARGET_NO_SAHF): Likewise.
8805 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
8806 (SET_TARGET_PREFETCH_SSE): Likewise.
8807 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
8808 (SET_TARGET_NO_TUNE): Likewise.
8809 (TARGET_EXPLICIT_NO_80387_P): Likewise.
8810 (SET_TARGET_NO_80387): Likewise.
8812 * config/i386/i386.h (TARGET_*): Remove.
8813 * opth-gen.awk: Generate new used macros.
8815 2021-04-21 Martin Liska <mliska@suse.cz>
8817 * config/i386/i386.h (PTA_*): Remove.
8818 (enum pta_flag): New.
8819 (DEF_PTA): Generate PTA_* values from i386-isa.def.
8820 * config/i386/i386-isa.def: New file.
8822 2021-04-21 Alex Coplan <alex.coplan@arm.com>
8825 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
8826 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
8829 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
8831 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
8833 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
8835 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
8836 (ix86_handle_option): Handle -mmwait.
8837 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
8838 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
8839 __builtin_ia32_monitor and __builtin_ia32_mwait.
8840 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
8841 (ix86_valid_target_attribute_inner_p): Likewise.
8842 (ix86_option_override_internal): Enable mwait/monitor
8843 instructions for -msse3.
8844 * config/i386/i386.h (TARGET_MWAIT): New.
8845 (TARGET_MWAIT_P): Likewise.
8846 * config/i386/i386.opt: Add -mmwait.
8847 * config/i386/mwaitintrin.h: New file.
8848 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
8849 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
8851 (@sse3_monitor_<mode>): Likewise.
8852 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
8853 * doc/extend.texi: Document mwait target attribute.
8854 * doc/invoke.texi: Document -mmwait.
8856 2021-04-21 Martin Liska <mliska@suse.cz>
8858 * config/i386/i386-options.c (DEF_ENUM): Remove it.
8859 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
8860 * config/i386/stringop.def (DEF_ENUM): Likewise.
8862 2021-04-21 Martin Liska <mliska@suse.cz>
8864 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
8865 of print_generic_expr.
8867 2021-04-21 Jakub Jelinek <jakub@redhat.com>
8869 PR rtl-optimization/100148
8870 * cprop.c (constprop_register): Use next_nondebug_insn instead of
8873 2021-04-21 Martin Liska <mliska@suse.cz>
8876 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
8877 free_dominance_info calls.
8879 2021-04-21 Richard Biener <rguenther@suse.de>
8881 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
8882 parameter (and assume it to be false).
8883 (fold_gimple_assign): Adjust, remove all callers of
8884 maybe_fold_reference calling it with is_lhs true.
8885 (gimple_fold_call): Likewise.
8886 (fold_stmt_1): Likewise.
8888 2021-04-21 Richard Biener <rguenther@suse.de>
8890 * fold-const.c (pedantic_non_lvalue_loc): Remove.
8891 (fold_binary_loc): Adjust.
8892 (fold_ternary_loc): Likewise.
8894 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
8896 PR middle-end/100130
8897 * varasm.c (get_block_for_decl): Make sure that any use of the
8898 retain attribute matches the section's retain flag.
8899 (switch_to_section): Check for retain mismatches even when
8900 changing sections, but do not warn if the given decl is the
8901 section's named.decl.
8902 (output_object_block): Pass the first decl in the block (if any)
8903 to switch_to_section.
8905 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
8907 * config/i386/i386-c.c (ix86_target_macros_internal): Define
8908 __CRC32__ for -mcrc32.
8909 * config/i386/i386-options.c (ix86_option_override_internal):
8910 Enable crc32 instruction for -msse4.2.
8911 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
8913 (sse4_2_crc32di): Likewise.
8914 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
8917 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
8920 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
8923 2021-04-20 Martin Liska <mliska@suse.cz>
8925 * doc/invoke.texi: Fix typo.
8926 * params.opt: Likewise.
8928 2021-04-20 Martin Liska <mliska@suse.cz>
8930 * doc/invoke.texi: Document new param.
8932 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
8934 PR tree-optimization/100081
8935 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
8936 rather than gori_compute_cache.
8937 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
8938 (range_def_chain::m_logical_depth): New member.
8939 (range_def_chain::range_def_chain): Initialize m_logical_depth.
8940 (range_def_chain::get_def_chain): Don't build defchains through more
8941 than LOGICAL_LIMIT logical expressions.
8942 * params.opt (param_ranger_logical_depth): New.
8944 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
8947 * config/arm/arm.c (arm_configure_build_target): Do not strip
8948 extended FPU/SIMD feature bits from the target ISA when -mfpu
8949 is specified (partial revert of r11-8168).
8951 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
8953 * params.opt (-param=openacc-kernels=): Add.
8954 * omp-oacc-kernels-decompose.cc
8955 (pass_omp_oacc_kernels_decompose::gate): Use it.
8956 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
8957 (--param): ... here, 'openacc-kernels'.
8959 2021-04-19 Martin Liska <mliska@suse.cz>
8962 * gengtype.c (finish_root_table): Align function arguments
8963 in between declaration and definition.
8965 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
8967 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
8968 frames larger than the SEH maximum frame size.
8970 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
8972 PR rtl-optimization/99927
8973 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
8974 is dead, just drop it.
8976 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
8979 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
8980 * doc/tm.texi: Regenerate.
8981 * doc/tm.texi.in (D language and ABI): Add @hook for
8982 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
8984 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
8986 * config/darwin-d.c (darwin_d_handle_target_object_format): New
8988 (darwin_d_register_target_info): New function.
8989 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
8990 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
8992 (dragonfly_d_register_target_info): New function.
8993 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
8994 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
8996 (freebsd_d_register_target_info): New function.
8997 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
8998 * config/glibc-d.c (glibc_d_handle_target_object_format): New
9000 (glibc_d_register_target_info): New function.
9001 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9002 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
9004 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
9005 as handler for objectFormat key.
9006 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
9008 (winnt_d_register_target_info): New function.
9009 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9010 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
9012 (netbsd_d_register_target_info): New function.
9013 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9014 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
9016 (openbsd_d_register_target_info): New function.
9017 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9018 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
9019 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
9020 handler for objectFormat key.
9021 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
9023 (rs6000_d_register_target_info): Add
9024 rs6000_d_handle_target_object_format as handler for objectFormat key.
9025 * config/sol2-d.c (solaris_d_handle_target_object_format): New
9027 (solaris_d_register_target_info): New function.
9028 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
9030 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9033 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
9034 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
9036 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
9037 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
9038 the old and new alignment after applying MIN/MAX to it is different.
9040 2021-04-16 Tamar Christina <tamar.christina@arm.com>
9043 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
9044 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
9046 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
9048 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
9050 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
9051 this section and its subsections.
9053 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9056 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
9057 define_insn patterns.
9059 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
9061 PR rtl-optimization/98689
9062 * reg-notes.def (UNTYPED_CALL): New note.
9063 * combine.c (distribute_notes): Handle it.
9064 * emit-rtl.c (try_split): Likewise.
9065 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
9066 that calls with the note implicitly set all return value registers.
9067 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
9070 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
9072 PR rtl-optimization/99596
9073 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
9074 register accesses for const calls. Assume that pure functions
9075 can only read from global registers. Ignore cases in which
9076 the stack pointer has been marked global.
9078 2021-04-16 Jakub Jelinek <jakub@redhat.com>
9081 * tree-vect-loop.c (vect_transform_loop): Don't remove just
9082 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
9083 them by their last argument.
9085 2021-04-15 Martin Liska <mliska@suse.cz>
9087 * doc/invoke.texi: Other params don't use it, remove it.
9089 2021-04-15 Richard Biener <rguenther@suse.de>
9091 * gimple-builder.h: Add deprecation note.
9093 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
9096 * attribs.h (restrict_type_identity_attributes_to): Declare.
9097 * attribs.c (restrict_type_identity_attributes_to): New function.
9099 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
9102 * attribs.h (affects_type_identity_attributes): Declare.
9103 * attribs.c (remove_attributes_matching): New function.
9104 (affects_type_identity_attributes): Likewise.
9106 2021-04-15 Jakub Jelinek <jakub@redhat.com>
9109 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
9110 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
9111 ZERO_EXTEND, SIGN_EXTEND or AND.
9113 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9115 PR rtl-optimization/99929
9116 * rtl.h (same_vector_encodings_p): New function.
9117 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
9118 * cselib.c (rtx_equal_for_cselib_1): Likewise.
9119 * jump.c (rtx_renumbered_equal_p): Likewise.
9120 * lra-constraints.c (operands_match_p): Likewise.
9121 * reload.c (operands_match_p): Likewise.
9122 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
9124 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9126 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
9127 more information about variable-length CONST_VECTORs.
9129 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
9131 PR rtl-optimization/100066
9132 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
9133 ordered modes when choosing splitting mode for hard reg.
9135 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
9138 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
9140 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
9142 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
9144 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
9145 for mask operand types.
9146 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
9147 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
9149 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
9151 * config/s390/s390.c (s390_const_operand_ok): Check the new
9152 operand types and generate a list of valid values.
9154 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9156 * doc/tm.texi: Regenerate.
9157 * doc/tm.texi.in (D language and ABI): Add @hook for
9158 TARGET_D_REGISTER_OS_TARGET_INFO.
9160 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9162 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
9164 (aarch64_d_register_target_info): New function.
9165 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
9167 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
9169 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
9170 (arm_d_register_target_info): New function.
9171 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
9172 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9173 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
9174 (ix86_d_register_target_info): New function.
9175 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
9176 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9177 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
9178 (mips_d_register_target_info): New function.
9179 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
9180 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9181 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
9182 (pa_d_register_target_info): New function.
9183 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
9184 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9185 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
9187 (riscv_d_register_target_info): New function.
9188 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
9189 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9190 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
9192 (rs6000_d_register_target_info): New function.
9193 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
9195 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9196 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
9197 (s390_d_register_target_info): New function.
9198 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
9199 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9200 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
9202 (sparc_d_register_target_info): New function.
9203 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
9204 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
9205 * doc/tm.texi: Regenerate.
9206 * doc/tm.texi.in (D language and ABI): Add @hook for
9207 TARGET_D_REGISTER_CPU_TARGET_INFO.
9209 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
9211 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
9212 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
9213 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
9214 * doc/tm.texi: Regenerate.
9215 * doc/tm.texi.in (D language and ABI): Add @hook for
9216 TARGET_D_HAS_STDCALL_CONVENTION.
9218 2021-04-14 Richard Biener <rguenther@suse.de>
9220 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
9221 VEC_COND_EXPRs have a gimple_val condition.
9222 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
9223 can no longer have a GENERIC condition.
9225 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
9228 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
9229 from the isa_delta when -mfpu has been used.
9230 (arm_options_perform_arch_sanity_checks): It's the architecture that
9231 lacks an FPU not the processor.
9233 2021-04-13 Richard Biener <rguenther@suse.de>
9235 PR tree-optimization/100053
9236 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
9237 not use optimistic dominance queries for backedges to validate
9239 (dominated_by_p_w_unex): Add parameter to ignore executable
9241 (rpo_elim::eliminate_avail): Adjust.
9243 2021-04-13 Jakub Jelinek <jakub@redhat.com>
9246 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
9247 *aarch64_bfxilsi_extrdi): New define_insn patterns.
9249 2021-04-13 Jakub Jelinek <jakub@redhat.com>
9252 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
9253 outermode, return NULL if the result doesn't encode back to the
9254 original byte sequence.
9255 (simplify_gen_subreg): Don't create SUBREGs from constants to
9256 MODE_COMPOSITE_P outermode.
9258 2021-04-12 Jakub Jelinek <jakub@redhat.com>
9260 PR rtl-optimization/99905
9261 * combine.c (expand_compound_operation): If pos + len > modewidth,
9262 perform the right shift by pos in inner_mode and then convert to mode,
9263 instead of trying to simplify a shift of rtx with inner_mode by pos
9264 as if it was a shift in mode.
9266 2021-04-12 Jakub Jelinek <jakub@redhat.com>
9269 * combine.c (simplify_and_const_int_1): Don't optimize varop
9270 away if it has side-effects.
9272 2021-04-12 Martin Liska <mliska@suse.cz>
9274 * doc/extend.texi: Escape @smallexample content.
9276 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
9278 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
9279 alternative in order to load a DFP zero.
9281 2021-04-12 Martin Liska <mliska@suse.cz>
9283 * doc/extend.texi: Be more precise in documentation
9284 of symver attribute.
9286 2021-04-12 Martin Liska <mliska@suse.cz>
9289 * gimplify.c (gimplify_expr): Right now, we unpoison all
9290 variables before a goto <dest>. We should not do it if we are
9293 2021-04-12 Cui,Lili <lili.cui@intel.com>
9295 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
9297 * common/config/i386/i386-common.c (processor_names): Add
9299 (processor_alias_table): Add rocketlake.
9300 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
9301 INTEL_COREI7_ROCKETLAKE.
9302 * config.gcc: Add -march=rocketlake.
9303 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
9305 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
9306 (processor_cost_table): Add rocketlake cost.
9307 * config/i386/i386.h (ix86_size_cost) : Define
9309 (processor_type) : Add PROCESSOR_ROCKETLAKE.
9310 (PTA_ROCKETLAKE): Ditto.
9311 * doc/extend.texi: Add rocketlake.
9312 * doc/invoke.texi: Add rocketlake.
9314 2021-04-12 Cui,Lili <lili.cui@intel.com>
9316 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
9317 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
9318 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
9319 * doc/invoke.texi: Change alderlake ISA list.
9321 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
9324 * omp-expand.c (expand_oacc_collapse_init): Update condition in
9327 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
9330 * config/i386/serializeintrin.h (_serialize): Defined as macro.
9332 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9335 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
9336 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
9338 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9341 * gimple-ssa-warn-alloca.c
9342 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
9343 0 with integer precision unconditionally.
9345 2021-04-10 Jakub Jelinek <jakub@redhat.com>
9347 PR rtl-optimization/98601
9348 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
9349 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
9350 unaligned_mems handle VOIDmode like BLKmode.
9352 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
9355 * tree.c (free_lang_data_in_decl): Do not release body of
9356 declare_variant_alt.
9358 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
9360 * config/aarch64/aarch64.c (aarch64_option_restore): If the
9361 architecture was specified explicitly and the tuning wasn't,
9362 tune for the architecture rather than the configured default CPU.
9364 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
9366 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
9367 as the temporary register.
9369 2021-04-09 Martin Liska <mliska@suse.cz>
9371 * doc/extend.texi: Move non-target attributes on the top level.
9373 2021-04-09 Martin Liska <mliska@suse.cz>
9375 * doc/invoke.texi: Document minimum and maximum value of the
9376 argument for both supported compression algorithms.
9378 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
9380 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
9381 TLS BSS before TLS data.
9382 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
9384 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
9386 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
9388 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
9390 * match.pd: Extend vec_cond folds to handle shifts.
9392 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
9394 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
9397 2021-04-08 Alex Coplan <alex.coplan@arm.com>
9400 * config/arm/iterators.md (MVE_vecs): New.
9401 (V_elem): Also handle V2DF.
9402 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
9403 (*mve_vdup<mode>): ... this. Remove second alternative since
9404 vec_duplicate of const_int is not canonical RTL, and we don't
9405 want to match symbol_refs.
9406 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
9408 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
9410 * fold-const.c (fold_single_bit_test): Fix typo.
9411 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
9414 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
9416 PR tree-optimization/97513
9417 * tree-vect-slp.c (vect_add_slp_permutation): New function,
9419 (vectorizable_slp_permutation): ...here. Detect cases in which
9420 all VEC_PERM_EXPRs are guaranteed to have the same stepped
9421 permute vector and only generate one permute vector for that case.
9422 Extend that case to handle variable-length vectors.
9424 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
9426 PR tree-optimization/99873
9427 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
9428 (vect_build_slp_instance): Don't split store groups that could
9429 use IFN_STORE_LANES.
9431 2021-04-07 Jakub Jelinek <jakub@redhat.com>
9434 * varasm.c (output_constant_pool_contents): Don't strip name encoding
9435 from XSTR (desc->sym, 0) or from label before passing those to
9438 2021-04-07 Richard Biener <rguenther@suse.de>
9440 PR tree-optimization/99954
9441 * tree-loop-distribution.c: Include tree-affine.h.
9442 (generate_memcpy_builtin): Try using tree-affine to prove
9444 (loop_distribution::classify_builtin_ldst): Always classify
9447 2021-04-07 Richard Biener <rguenther@suse.de>
9449 PR tree-optimization/99947
9450 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
9451 steps vector to avoid pushing elements from the reallocated
9454 2021-04-07 Richard Biener <rguenther@suse.de>
9456 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
9457 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
9459 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
9461 (debug_vn_reference_ops): New.
9463 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
9465 PR tree-optimization/98736
9466 * tree-loop-distribution.c
9467 * (loop_distribution::bb_top_order_init):
9468 Compute RPO with programing order preserved by calling function
9469 rev_post_order_and_mark_dfs_back_seme.
9471 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
9474 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
9475 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
9477 (process_bb_lives): Don't update biggest mode of hard reg for
9478 implicit in multi-register group. Use the new functions for
9479 updating dead_set and unused_set by register notes.
9481 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
9483 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
9486 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
9488 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
9489 (skylake_memset): Likewise.
9490 (skylake_cost): Change CLEAR_RATIO to 17.
9491 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
9492 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
9493 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
9495 2021-04-06 Richard Biener <rguenther@suse.de>
9497 PR tree-optimization/99880
9498 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
9499 set vectorized defs of relevant PHIs.
9501 2021-04-06 Richard Biener <rguenther@suse.de>
9503 PR tree-optimization/99924
9504 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
9505 nodes w/o scalar stmts as visited.
9507 2021-04-06 Alex Coplan <alex.coplan@arm.com>
9510 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
9511 PCS for [su]fix_optab.
9513 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
9515 * config/darwin.c (machopic_legitimize_pic_address): Check
9516 that the current pic register is one of the hard reg set
9517 before setting liveness.
9519 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
9521 * config/darwin.c (machopic_legitimize_pic_address): Fix
9522 whitespace, remove unused code.
9524 2021-04-03 Jakub Jelinek <jakub@redhat.com>
9526 PR tree-optimization/99882
9527 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
9530 2021-04-03 Jakub Jelinek <jakub@redhat.com>
9532 PR rtl-optimization/99863
9533 * dse.c (replace_read): Drop regs_live argument. Instead of
9534 regs_live, use store_insn->fixed_regs_live if non-NULL,
9535 otherwise punt if insns sequence clobbers or sets any hard
9538 2021-04-03 Jakub Jelinek <jakub@redhat.com>
9541 * targhooks.h (default_print_patchable_function_entry_1): Declare.
9542 * targhooks.c (default_print_patchable_function_entry_1): New function,
9543 copied from default_print_patchable_function_entry with an added flags
9545 (default_print_patchable_function_entry): Rewritten into a small
9546 wrapper around default_print_patchable_function_entry_1.
9547 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
9549 (rs6000_print_patchable_function_entry): New function.
9551 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
9553 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
9555 2021-04-01 Jason Merrill <jason@redhat.com>
9558 * common.opt: Document v15 and v16.
9560 2021-04-01 Richard Biener <rguenther@suse.de>
9562 PR tree-optimization/99863
9563 * gimplify.c (gimplify_init_constructor): Recompute vector
9566 2021-04-01 Jakub Jelinek <jakub@redhat.com>
9568 * doc/extend.texi (symver attribute): Fix up syntax errors
9571 2021-04-01 Jakub Jelinek <jakub@redhat.com>
9573 PR tree-optimization/96573
9574 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
9577 2021-04-01 Richard Biener <rguenther@suse.de>
9579 PR tree-optimization/99856
9580 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
9581 precision to vector element precision.
9583 2021-04-01 Martin Jambor <mjambor@suse.cz>
9585 PR tree-optimization/97009
9586 * tree-sra.c (access_or_its_child_written): New function.
9587 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
9590 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
9593 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
9595 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
9598 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
9599 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
9600 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
9601 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
9602 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
9603 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
9605 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
9606 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
9607 (define_attr "prefixed"): Update initializer.
9609 2021-03-31 Jakub Jelinek <jakub@redhat.com>
9612 * dwarf2out.c (debug_ranges_dwo_section): New variable.
9613 (DW_RANGES_IDX_SKELETON): Define.
9614 (struct dw_ranges): Add begin_entry and end_entry members.
9615 (DEBUG_DWO_RNGLISTS_SECTION): Define.
9616 (add_ranges_num): Adjust r initializer for addition of *_entry
9618 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
9619 set idx to DW_RANGES_IDX_SKELETON.
9620 (use_distinct_base_address_for_range): New function.
9621 (index_rnglists): Don't set r->idx if it is equal to
9622 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
9623 r->end_entry for -gsplit-dwarf if those will be needed by
9625 (output_rnglists): Add DWO argument. If true, switch to
9626 debug_ranges_dwo_section rather than debug_ranges_section.
9627 Adjust l1/l2 label indexes. Only output the offset table when
9628 dwo is true and don't include in there the skeleton range
9629 entry if present. For -gsplit-dwarf, skip ranges that belong
9630 to the other rnglists section. Change return type from void
9631 to bool and return true if there are any range entries for
9632 the other section. For dwarf_split_debug_info use
9633 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
9634 entries instead of DW_RLE_start_end, DW_RLE_start_length and
9635 DW_RLE_base_address. Use use_distinct_base_address_for_range.
9636 (init_sections_and_labels): Initialize debug_ranges_dwo_section
9637 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
9638 and range_base_label indexes.
9639 (dwarf2out_finish): Call index_rnglists earlier before finalizing
9640 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
9641 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
9642 with different dwo arguments.
9643 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
9645 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
9647 PR tree-optimization/98268
9648 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
9649 recompute_tree_invariant_for_addr_expr after successfully
9650 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
9652 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
9654 PR tree-optimization/99726
9655 * tree-data-ref.c (create_intersect_range_checks_index): Bail
9656 out if there is more than one access function SCEV for the loop
9659 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
9661 PR rtl-optimization/97141
9662 PR rtl-optimization/98726
9663 * emit-rtl.c (valid_for_const_vector_p): Return true for
9665 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
9666 poly_wide_int instead of a wide_int.
9667 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
9669 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
9670 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
9671 false for CONST_VECTORs that cannot be forced to memory.
9672 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
9673 is too complex to force to memory, build it up from individual
9676 2021-03-31 Jan Hubicka <jh@suse.cz>
9679 * cgraph.c (cgraph_node::release_body): Fix overactive check.
9681 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
9684 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
9687 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
9689 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
9690 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
9692 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
9693 "rep movsb/stosb" only for known sizes.
9694 * config/i386/i386-options.c (processor_cost_table): Use Ice
9695 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
9696 Rapids and Alder Lake.
9697 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
9698 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
9699 (icelake_memset): Likewise.
9700 (icelake_cost): Likewise.
9701 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
9704 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
9707 * config/aarch64/aarch64.c
9708 (aarch64_vectorize_preferred_vector_alignment): Query the size
9709 of the provided SVE vector; do not assume that all SVE vectors
9712 2021-03-31 Jan Hubicka <jh@suse.cz>
9715 * cgraph.c (cgraph_node::release_body): Remove all callers and
9717 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
9718 * cgraphunit.c (cgraph_node::expand): And here.
9720 2021-03-31 Martin Liska <mliska@suse.cz>
9722 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
9723 and one negated condition.
9725 2021-03-31 Jakub Jelinek <jakub@redhat.com>
9726 Richard Sandiford <richard.sandiford@arm.com>
9729 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
9730 constraints on operands[2] and similarly 0 and rk constraints
9731 on operands[1] corresponding to that.
9733 2021-03-31 Jakub Jelinek <jakub@redhat.com>
9736 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
9737 linker doesn't support DWARF sections new in DWARF5.
9738 * config/i386/i386-options.c (ix86_option_override_internal): Default
9739 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
9741 * config.in: Regenerated.
9742 * configure: Regenerated.
9744 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9747 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
9748 available issue_info before using it.
9750 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9753 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
9756 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
9759 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
9760 (altivec_lvsl_reg_<mode>): ... this.
9761 (altivec_lvsr_reg): Change to ...
9762 (altivec_lvsr_reg_<mode>): ... this.
9763 * config/rs6000/predicates.md (vec_set_index_operand): New.
9764 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
9765 Enable 32bit variable vec_insert for all TARGET_VSX.
9766 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
9767 Enable 32bit variable vec_insert for p9 and above.
9768 (rs6000_expand_vector_set_var_p8): Rename to ...
9769 (rs6000_expand_vector_set_var_p7): ... this.
9770 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
9772 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
9773 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
9774 gen_altivec_lvsr_reg_di.
9776 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
9779 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
9780 (__rdtscp): Likewise.
9782 2021-03-30 Tamar Christina <tamar.christina@arm.com>
9784 PR tree-optimization/99825
9785 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
9786 Reject non-mult 2 lanes.
9788 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
9791 * config/arm/arm.c (arm_file_start): Fix emission of
9792 Tag_ABI_VFP_args attribute.
9794 2021-03-30 Richard Biener <rguenther@suse.de>
9796 PR tree-optimization/99824
9797 * stor-layout.c (set_min_and_max_values_for_integral_type):
9798 Assert the precision is within the bounds of
9799 WIDE_INT_MAX_PRECISION.
9800 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
9801 the outermost component ref only to lower the access size
9802 and initialize that from the access type.
9804 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
9807 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
9808 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
9810 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
9812 * config/aarch64/aarch64.md
9813 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
9814 attribute to disambiguate between SIMD and FP variants of the
9817 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
9819 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
9820 (analyze_ssa_name_flags): Fix typo in comment.
9822 2021-03-29 Alex Coplan <alex.coplan@arm.com>
9825 * config/aarch64/aarch64-sve-builtins.cc
9826 (function_builder::add_function): Add placeholder_p argument, use
9827 placeholder decls if this is set.
9828 (function_builder::add_unique_function): Instead of conditionally adding
9829 direct overloads, unconditionally add either a direct overload or a
9831 (function_builder::add_overloaded_function): Set placeholder_p if we're
9832 using C++ overloads. Use the obstack for string storage instead
9833 of relying on the tree nodes.
9834 (function_builder::add_overloaded_functions): Don't return early for
9835 m_direct_overloads: we need to add placeholders.
9836 * config/aarch64/aarch64-sve-builtins.h
9837 (function_builder::add_function): Add placeholder_p argument.
9839 2021-03-29 Richard Biener <rguenther@suse.de>
9841 PR tree-optimization/99807
9842 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
9843 assert below VEC_PERM handling.
9845 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9848 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
9849 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
9850 matching const_int 0.
9851 (move_lo_quad_internal_be_<mode>): Likewise.
9852 (move_lo_quad_<mode>): Update for the above.
9853 * config/aarch64/iterators.md (VQ_2E): Delete.
9855 2021-03-29 Jakub Jelinek <jakub@redhat.com>
9857 PR tree-optimization/99777
9858 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
9859 types other than scalar integral types.
9861 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
9863 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
9864 XCOFF TLS reloc decorations.
9866 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
9868 * doc/analyzer.texi (Analyzer Internals): Update link to
9869 "A Memory Model for Static Analysis of C Programs".
9871 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
9873 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
9874 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
9876 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
9877 (rs6000_special_round_type_align): Recursively check innermost first
9880 2021-03-26 Jakub Jelinek <jakub@redhat.com>
9883 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
9884 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
9885 assignment with drap_reg active, queue reg save for hfp with offset 0
9886 and flush queued reg saves. When handling a push with rule18,
9887 defer queueing reg save for hfp and just assert the offset is 0.
9888 (scan_trace): Assert that fde->rule18 is false.
9890 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
9893 * ira-costs.c (record_reg_classes): Put case with
9894 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
9895 * ira.c (ira_setup_alts): Ditto.
9896 * lra-constraints.c (process_alt_operands): Ditto.
9897 * recog.c (asm_operand_ok): Ditto.
9898 * reload.c (find_reloads): Ditto.
9900 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
9902 * config/aarch64/aarch64-protos.h
9903 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
9904 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
9905 * config/aarch64/aarch64.c (generic_addrcost_table): Update
9906 accordingly, using the same costs as for post_modify.
9907 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
9908 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
9909 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
9910 (a64fx_addrcost_table): Likewise.
9911 (neoversev1_addrcost_table): New.
9912 (neoversev1_tunings): Use neoversev1_addrcost_table.
9913 (aarch64_address_cost): Use the new post_modify costs for CImode
9916 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
9918 * config/aarch64/aarch64.opt
9919 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
9920 * doc/invoke.texi: Document it.
9921 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
9922 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
9923 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
9924 (aarch64_vec_issue_info): New structures.
9925 (cpu_vector_cost): Write comments above the variables rather
9927 (cpu_vector_cost::issue_info): New member variable.
9928 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
9929 and tree-ssa-loop-niter.h.
9930 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
9931 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
9932 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
9933 (thunderx3t110_vector_cost): Initialize issue_info to null.
9934 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
9935 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
9936 (neoversev1_vector_cost): Use them.
9937 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
9938 (aarch64_vector_costs::saw_sve_only_op): New member variable.
9939 (aarch64_vector_costs::num_vector_iterations): Likewise.
9940 (aarch64_vector_costs::scalar_ops): Likewise.
9941 (aarch64_vector_costs::advsimd_ops): Likewise.
9942 (aarch64_vector_costs::sve_ops): Likewise.
9943 (aarch64_vector_costs::seen_loads): Likewise.
9944 (aarch64_simd_vec_costs_for_flags): New function.
9945 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
9946 Count the number of predicate operations required by SVE WHILE
9948 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
9949 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
9950 (aarch64_count_ops): Likewise.
9951 (aarch64_add_stmt_cost): Record whether see an SVE operation
9952 that cannot currently be implementing using Advanced SIMD.
9953 Record issue information about the scalar, Advanced SIMD
9954 and (where relevant) SVE versions of a loop.
9955 (aarch64_vec_op_count::dump): New function.
9956 (aarch64_sve_op_count::dump): Likewise.
9957 (aarch64_estimate_min_cycles_per_iter): Likewise.
9958 (aarch64_adjust_body_cost): If issue information is available,
9959 try to compare the issue rates of the various loop implementations
9960 and increase or decrease the vector body cost accordingly.
9962 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
9964 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
9965 Assume a zero cost for induction phis.
9967 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
9969 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
9971 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
9974 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
9976 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
9978 (aarch64_add_stmt_cost): Call it.
9980 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
9982 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
9983 New tuning parameter.
9984 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
9985 (aarch64_estimated_sve_vq): New function.
9986 (aarch64_vector_costs::analyzed_vinfo): New member variable.
9987 (aarch64_vector_costs::is_loop): Likewise.
9988 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
9989 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
9990 (aarch64_record_potential_advsimd_unrolling): New function.
9991 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
9992 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
9993 aarch64_analyze_bb_vinfo on the first use of a costs structure.
9994 Detect whether we're vectorizing a loop for SVE that might be
9995 completely unrolled if it used Advanced SIMD instead.
9996 (aarch64_adjust_body_cost_for_latency): New function.
9997 (aarch64_finish_cost): Call it.
9999 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10001 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
10002 (aarch64_init_cost): New function.
10003 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
10004 the default unsigned[3].
10005 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
10006 (TARGET_VECTORIZE_INIT_COST): Override.
10007 (TARGET_VECTORIZE_FINISH_COST): Likewise.
10008 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
10010 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10012 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
10013 (neoversev1_sve_vector_cost): New cost structures.
10014 (neoversev1_vector_cost): Likewise.
10015 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
10017 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10019 * config/aarch64/aarch64-protos.h
10020 (sve_vec_cost::scatter_store_elt_cost): New member variable.
10021 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
10022 accordingly, taking the cost from the cost of a scalar_store.
10023 (a64fx_sve_vector_cost): Likewise.
10024 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
10026 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10028 * config/aarch64/aarch64-protos.h
10029 (simd_vec_cost::store_elt_extra_cost): New member variable.
10030 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10031 accordingly, using the vec_to_scalar cost for the new field.
10032 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10033 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10034 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10035 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10036 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10037 (thunderx3t110_advsimd_vector_cost): Likewise.
10038 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
10040 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10042 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
10043 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
10044 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
10045 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10046 accordingly, using zero for the new costs.
10047 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10048 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10049 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10050 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10051 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10052 (thunderx3t110_advsimd_vector_cost): Likewise.
10053 (aarch64_ld234_st234_vectors): New function.
10054 (aarch64_adjust_stmt_cost): Likewise.
10055 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
10056 the new vector costs.
10058 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10060 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
10061 derived class of simd_vec_cost. Add information about CLAST[AB]
10062 and FADDA instructions.
10063 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
10064 accordingly, using the vec_to_scalar costs for the new fields.
10065 (a64fx_sve_vector_cost): Likewise.
10066 (aarch64_reduc_type): New function.
10067 (aarch64_sve_in_loop_reduction_latency): Likewise.
10068 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
10069 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
10070 that occur in the loop body.
10071 (aarch64_add_stmt_cost): Update call accordingly.
10073 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
10075 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
10077 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
10078 above the fields rather than to the right.
10079 (simd_vec_cost::reduc_i8_cost): New member variable.
10080 (simd_vec_cost::reduc_i16_cost): Likewise.
10081 (simd_vec_cost::reduc_i32_cost): Likewise.
10082 (simd_vec_cost::reduc_i64_cost): Likewise.
10083 (simd_vec_cost::reduc_f16_cost): Likewise.
10084 (simd_vec_cost::reduc_f32_cost): Likewise.
10085 (simd_vec_cost::reduc_f64_cost): Likewise.
10086 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
10087 accordingly, using the vec_to_scalar_cost for the new fields.
10088 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
10089 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
10090 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
10091 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
10092 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
10093 (thunderx3t110_advsimd_vector_cost): Likewise.
10094 (aarch64_use_new_vector_costs_p): New function.
10095 (aarch64_simd_vec_costs): New function, split out from...
10096 (aarch64_builtin_vectorization_cost): ...here.
10097 (aarch64_is_reduction): New function.
10098 (aarch64_detect_vector_stmt_subtype): Likewise.
10099 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
10100 using the new vector costs.
10102 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10105 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
10106 TLS declarations as public.
10108 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10110 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
10111 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
10112 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
10113 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
10114 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
10115 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
10116 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
10117 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
10118 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
10120 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10123 * config.gcc (*-*-cygwin*): Add winnt-d.o
10124 (*-*-mingw*): Likewise.
10125 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
10126 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
10127 * config/i386/t-cygming: Add winnt-d.o.
10128 * config/i386/winnt-d.c: New file.
10130 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10132 * config/freebsd-d.c: Include memmodel.h.
10134 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
10137 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
10138 * config/t-openbsd: Add openbsd-d.o.
10139 * config/openbsd-d.c: New file.
10141 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
10143 PR tree-optimization/96974
10144 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
10145 with graceful exit.
10147 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10150 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10154 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
10155 always_inline in system headers.
10157 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
10159 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
10161 2021-03-25 Jakub Jelinek <jakub@redhat.com>
10164 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
10165 * fold-const.c (operand_compare::operand_equal_p): Don't compare
10166 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
10168 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
10172 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
10173 always_inline in system headers.
10175 2021-03-25 Richard Biener <rguenther@suse.de>
10177 PR tree-optimization/99746
10178 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
10179 the scalar stmt as patterned. Instead set up required things
10182 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
10184 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
10187 2021-03-24 Martin Liska <mliska@suse.cz>
10190 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
10192 * config/i386/i386-options.c (ix86_option_override_internal):
10193 Add run-time assert.
10195 2021-03-24 Martin Jambor <mjambor@suse.cz>
10198 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
10199 parameters with unknown type.
10200 (ipacp_value_safe_for_type): New function.
10201 (propagate_vals_across_arith_jfunc): Verify that the constant type
10202 can be used for a type of the formal parameter.
10203 (propagate_vals_across_ancestor): Likewise.
10204 (propagate_scalar_across_jump_function): Likewise. Pass the type
10205 also to propagate_vals_across_ancestor.
10207 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
10210 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
10212 (movmisalign<mode>_mve_load): Likewise.
10214 2021-03-24 Jakub Jelinek <jakub@redhat.com>
10217 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
10218 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
10220 2021-03-24 Alexandre Oliva <oliva@adacore.com>
10222 * doc/sourcebuild.texi (sysconf): New effective target.
10224 2021-03-24 Alexandre Oliva <oliva@adacore.com>
10226 * config/i386/predicates.md (reg_or_const_vec_operand): New.
10227 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
10228 the now *-prefixed insn_and_split, turn the splitter const vec
10229 into an input for the insn, making it an ignored immediate for
10230 non-split cases, and loaded into the scratch register
10233 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
10236 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
10237 Use define_relaxed_memory_constraint for them.
10239 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
10242 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
10243 colon to the diagnostic message.
10245 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
10247 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
10249 (try_fwprop_subst_note): Use set_info instead of insn_info.
10250 (try_fwprop_subst_pattern): Likewise.
10251 (try_fwprop_subst_notes): Likewise.
10252 (try_fwprop_subst): Likewise.
10253 (forward_propagate_subreg): Likewise.
10254 (forward_propagate_and_simplify): Likewise.
10255 (forward_propagate_into): Likewise.
10256 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
10258 (set_info::single_nondebug_insn_use): Likewise.
10259 (set_info::single_phi_use): Likewise.
10260 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
10262 (set_info::single_nondebug_insn_use): Likewise.
10263 (set_info::single_phi_use): Likewise.
10265 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
10267 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
10269 2021-03-23 Jakub Jelinek <jakub@redhat.com>
10272 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
10273 expand_mult to perform an unsigned rather than a signed
10276 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
10279 * config/i386/cpuid.h (__cpuid): Add __volatile__.
10280 (__cpuid_count): Likewise.
10282 2021-03-23 Richard Biener <rguenther@suse.de>
10284 PR tree-optimization/99721
10285 * tree-vect-slp.c (vect_slp_analyze_node_operations):
10286 Make sure we can schedule the node.
10288 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10290 * config/riscv/riscv.c (riscv_subword): Take endianness into
10291 account when calculating the byte offset.
10293 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10295 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
10296 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
10297 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
10298 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
10299 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
10300 new predicate "subreg_lowpart_operator"
10302 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10304 * config/riscv/riscv.c (riscv_swap_instruction): New function
10305 to byteswap an SImode rtx containing an instruction.
10306 (riscv_trampoline_init): Byteswap the generated instructions
10309 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10311 * common/config/riscv/riscv-common.c
10312 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
10313 * config.gcc (riscv32be-*, riscv64be-*): Set
10314 TARGET_BIG_ENDIAN_DEFAULT to 1.
10315 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
10316 depending on default endianness.
10317 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
10318 * config/riscv/linux.h (LINK_SPEC): Likewise.
10319 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
10320 default endianness.
10321 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
10323 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
10325 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
10326 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
10327 * config/riscv/linux.h (LINK_SPEC): Likewise.
10328 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
10330 (BYTES_BIG_ENDIAN): Handle big endian.
10331 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
10332 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
10334 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
10336 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
10338 * regcprop.c (find_oldest_value_reg): Ask target whether
10339 different mode is fine for replacement register.
10341 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
10343 PR tree-optimization/99296
10344 * value-range.cc (irange::irange_set_1bit_anti_range): New.
10345 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
10346 * value-range.h (irange::irange_set_1bit_anti_range): New.
10348 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
10351 * config/aarch64/constraints.md (UtQ): Use
10352 define_relaxed_memory_constraint for it.
10353 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
10354 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10355 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
10356 (have_relaxed_memory_constraints): New static var.
10357 (relaxed_memory_start, relaxed_memory_end): Ditto.
10358 (add_constraint): Add arg is_relaxed_memory. Check name for
10359 relaxed memory. Set up is_relaxed_memory in constraint_data and
10360 have_relaxed_memory_constraints. Adjust calls.
10361 (choose_enum_order): Process relaxed memory.
10362 (write_tm_preds_h): Ditto.
10363 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10364 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
10365 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
10366 * ira-lives.c (single_reg_class): Use
10367 insn_extra_relaxed_memory_constraint.
10368 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
10369 * lra-constraints.c (valid_address_p): Use
10370 insn_extra_relaxed_memory_constraint instead of other memory
10372 (process_alt_operands): Process CT_RELAXED_MEMORY.
10373 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
10374 * recog.c (asm_operand_ok, preprocess_constraints): Process
10376 * reload.c (find_reloads): Ditto.
10377 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
10378 * stmt.c (parse_input_constraint): Use
10379 insn_extra_relaxed_memory_constraint.
10381 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
10384 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
10387 2021-03-22 Alex Coplan <alex.coplan@arm.com>
10390 * config/arm/arm-protos.h (neon_make_constant): Add generate
10391 argument to guard emitting insns, default to true.
10392 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
10393 CONST_VECTORs which neon_make_constant can't handle.
10394 (neon_vdup_constant): Add generate argument, avoid emitting
10395 insns if it's not set.
10396 (neon_make_constant): Plumb new generate argument through.
10397 * config/arm/constraints.md (Ui): New. Use it...
10398 * config/arm/mve.md (*mve_mov<mode>): ... here.
10399 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
10400 synthesize constants.
10402 2021-03-22 Richard Biener <rguenther@suse.de>
10404 * debug.h: Add deprecation warning.
10406 2021-03-22 Richard Biener <rguenther@suse.de>
10408 PR tree-optimization/99694
10409 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
10412 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
10415 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
10416 after type checking.
10418 2021-03-22 Jakub Jelinek <jakub@redhat.com>
10422 * dwarf2out.c (get_full_len): Use get_precision rather than
10424 (add_const_value_attribute): Make sure add_AT_wide argument has
10425 precision prec rather than some very wide one.
10427 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
10429 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
10430 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
10431 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
10432 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
10433 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
10434 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
10435 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
10436 *fix_trunc<mode>si2_internal): Fix empty split condition.
10437 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
10438 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
10439 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
10440 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
10442 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
10445 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
10446 Convert idx to DImode.
10447 (rs6000_expand_vector_set_var_p8): Likewise.
10449 2021-03-21 Jakub Jelinek <jakub@redhat.com>
10452 * dwarf2out.c (insert_float): Change return type from void to
10453 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
10454 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
10457 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
10460 * config/i386/i386.c (construct_container): Check cfun != NULL
10461 before accessing silent_p.
10463 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
10465 * asan.c: Fix typos in comments.
10467 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
10469 PR rtl-optimization/99680
10470 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
10471 (process_address_1): Check empty constraint before using
10474 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
10476 * config/rs6000/rs6000.c (power10_cost): New.
10477 (rs6000_option_override_internal): Set Power10 costs.
10478 (rs6000_issue_rate): Set Power10 issue rate.
10479 * config/rs6000/power10.md: Rewrite for Power10.
10481 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
10484 * lra-constraints.c (process_address_1): Don't use unknown
10485 constraint for address constraint.
10487 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
10490 * config.gcc (powerpc-*-darwin8): Delete the reference to
10491 the now removed darwin8.h.
10493 2021-03-19 Olivier Hainque <hainque@adacore.com>
10496 * config/vxworksae.h (VX_CPU_PREFIX): Define.
10498 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
10500 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
10502 2021-03-19 Tamar Christina <tamar.christina@arm.com>
10504 PR tree-optimization/99656
10505 * tree-vect-slp-patterns.c (linear_loads_p,
10506 complex_add_pattern::matches, is_eq_or_top,
10507 vect_validate_multiplication, complex_mul_pattern::matches,
10508 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
10509 * tree-vectorizer.h: (complex_load_perm_t): Removed.
10510 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
10511 complex_load_perm_t.
10513 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
10516 * config/i386/i386-options.c (ix86_init_machine_status): Set
10518 * config/i386/i386.c (init_cumulative_args): Set silent_p to
10520 (construct_container): Return early for return and argument
10521 errors if silent_p is true.
10522 * config/i386/i386.h (machine_function): Add silent_p.
10524 2021-03-19 Jakub Jelinek <jakub@redhat.com>
10527 * config/arm/constraints.md (Ds): New constraint.
10528 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
10529 constraint instead of w,Dm.
10531 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
10533 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
10536 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
10538 PR middle-end/99641
10539 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
10540 array type, do the computation of the current position in sizetype.
10542 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
10545 * lra-constraints.c (process_address_1): Use lookup_constraint
10546 only for a single constraint.
10548 2021-03-18 Martin Sebor <msebor@redhat.com>
10550 PR middle-end/99502
10551 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
10552 (inbounds_memaccess_p): ...to this. Check the ending offset of
10553 the accessed member.
10555 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
10557 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
10558 %> quote markers to error messages.
10559 (gcn_goacc_validate_dims): Likewise.
10560 (gcn_conditional_register_usage): Remove exclaimation mark from error
10562 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
10564 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
10566 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
10569 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
10570 Kito Cheng <kito.cheng@sifive.com>
10572 * config/riscv/riscv.c (riscv_block_move_straight): Change type
10573 to unsigned HOST_WIDE_INT for parameter and local variable with
10574 HOST_WIDE_INT type.
10575 (riscv_adjust_block_mem): Ditto.
10576 (riscv_block_move_loop): Ditto.
10577 (riscv_expand_block_move): Ditto.
10579 2021-03-18 Nick Clifton <nickc@redhat.com>
10581 * config/v850/v850.c (construct_restore_jr): Increase static
10583 (construct_save_jarl): Likewise.
10584 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
10586 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10588 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
10589 (aarch64_override_options_internal): Use it.
10590 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
10593 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
10595 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
10596 error message format issues.
10597 (nios2_option_override): Likewise.
10598 (nios2_expand_fpu_builtin): Likewise.
10599 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
10600 truncation warning.
10601 (nios2_expand_custom_builtin): More error message format fixes.
10602 (nios2_expand_rdwrctl_builtin): Likewise.
10603 (nios2_expand_rdprs_builtin): Likewise.
10604 (nios2_expand_eni_builtin): Likewise.
10605 (nios2_expand_builtin): Likewise.
10606 (nios2_register_custom_code): Likewise.
10607 (nios2_valid_target_attribute_rec): Likewise.
10608 (nios2_add_insn_asm): Fix uninitialized variable warning.
10610 2021-03-17 Jan Hubicka <jh@suse.cz>
10612 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
10613 of gather to match reality.
10614 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
10616 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10618 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
10619 to compare against CC_REG rather than NE.
10621 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
10624 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
10625 inline assembly statements.
10626 (ix86_print_operand): Update 'P' handling for -fno-plt.
10628 2021-03-17 Tamar Christina <tamar.christina@arm.com>
10631 * config/aarch64/aarch64.c
10632 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
10634 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
10637 * config/rs6000/predicates.md (branch_comparison_operator): Allow
10638 ordered and unordered for CCFPmode, if flag_finite_math_only.
10640 2021-03-16 Jakub Jelinek <jakub@redhat.com>
10643 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
10644 rather than ASHIFT.
10645 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
10647 2021-03-16 Martin Liska <mliska@suse.cz>
10650 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
10651 cl_optimization_compare function.
10653 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
10655 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
10658 2021-03-16 Jakub Jelinek <jakub@redhat.com>
10661 * config/i386/i386.h (struct machine_function): Add
10662 has_explicit_vzeroupper bitfield.
10663 * config/i386/i386-expand.c (ix86_expand_builtin): Set
10664 cfun->machine->has_explicit_vzeroupper when expanding
10665 IX86_BUILTIN_VZEROUPPER.
10666 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
10667 Do the mode switching only when TARGET_VZEROUPPER, expensive
10668 optimizations turned on and not optimizing for size.
10669 (pass_insert_vzeroupper::gate): Enable even when
10670 cfun->machine->has_explicit_vzeroupper is set.
10672 2021-03-16 Jakub Jelinek <jakub@redhat.com>
10675 * config/aarch64/aarch64.c
10676 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
10677 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
10678 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
10680 2021-03-15 Richard Biener <rguenther@suse.de>
10682 PR tree-optimization/98834
10683 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
10684 subsetting by truncating the access size.
10686 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
10688 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
10689 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
10692 2021-03-15 Martin Liska <mliska@suse.cz>
10694 * spellcheck.c: Add missing comma in initialization.
10696 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
10698 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
10699 alternative 2 and alternative 1 with alternative 3 using
10700 YW register constraint.
10701 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
10702 using YW register constraint.
10703 (*vec_extractv16qi_zext): Ditto.
10704 (*vec_extractv4si): Merge alternatives 4 and 5
10705 using Yw register constraint.
10706 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
10708 2021-03-13 Martin Sebor <msebor@redhat.com>
10710 PR tree-optimization/99489
10711 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
10712 is not a call statement.
10714 2021-03-13 Jakub Jelinek <jakub@redhat.com>
10716 PR tree-optimization/99544
10717 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
10718 if for vector types multiplication can't be done in type's mode.
10720 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
10723 * config/sparc/constraints.md (w): Rename to...
10724 (W): ... this and ditch previous implementation.
10725 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
10726 (*movdf_insn_sp64): Likewise.
10727 (*mov<VM64:mode>_insn_sp64): Likewise.
10728 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
10730 (atomic_compare_and_swap_leon3_1): Likewise.
10731 (*atomic_compare_and_swapdi_v8plus): Likewise.
10732 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
10733 architecture and add missing address validity check during LRA.
10735 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
10738 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
10739 occuring for assumed-size arrays in use_device_{ptr,addr}.
10741 2021-03-12 Jakub Jelinek <jakub@redhat.com>
10744 * config/i386/constraints.md (YW): New internal constraint.
10745 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
10746 (*<sse2_avx2>_<insn><mode>3<mask_name>,
10747 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
10748 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
10750 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
10751 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
10752 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
10753 into one, use Yw instead of former x,v.
10754 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
10755 the last alternative.
10756 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
10757 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
10758 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
10759 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
10760 into one, use <v_Yw> instead of former x,v.
10761 (avx2_interleave_highv32qi<mask_name>,
10762 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
10763 constraints. Add && <mask_avx512bw_condition> to condition.
10764 (avx2_interleave_lowv32qi<mask_name>,
10765 vec_interleave_lowv16qi<mask_name>,
10766 avx2_interleave_highv16hi<mask_name>,
10767 vec_interleave_highv8hi<mask_name>,
10768 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
10769 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
10770 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
10771 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
10772 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
10773 Yw instead of v in constraints.
10774 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
10775 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
10776 instead of Yv in constraints.
10777 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
10778 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
10779 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
10780 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
10781 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
10783 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
10784 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
10785 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
10786 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
10787 two, one with just x, another isa avx512vl with v.
10789 2021-03-12 Martin Liska <mliska@suse.cz>
10791 * doc/invoke.texi: Add missing param documentation.
10793 2021-03-11 David Malcolm <dmalcolm@redhat.com>
10796 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
10797 analyzer/trimmed-graph.o.
10798 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
10799 feasibility checking to reflect new implementation.
10800 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
10802 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
10804 2021-03-11 David Malcolm <dmalcolm@redhat.com>
10806 * digraph.cc (selftest::test_shortest_paths): Update
10807 shortest_paths init for new param. Add test of
10808 SPS_TO_GIVEN_TARGET.
10809 * shortest-paths.h (enum shortest_path_sense): New.
10810 (shortest_paths::shortest_paths): Add "sense" param.
10811 Update for renamings. Generalize to use "sense" param.
10812 (shortest_paths::get_shortest_path): Rename param.
10813 (shortest_paths::m_sense): New field.
10814 (shortest_paths::m_prev): Rename...
10815 (shortest_paths::m_best_edge): ...to this.
10816 (shortest_paths::get_shortest_path): Update for renamings.
10817 Conditionalize flipping of path on sense of traversal.
10819 2021-03-11 David Malcolm <dmalcolm@redhat.com>
10821 * digraph.cc (selftest::test_shortest_paths): Add test coverage
10822 for paths from B and C.
10823 * shortest-paths.h (shortest_paths::shortest_paths): Handle
10824 unreachable nodes, rather than asserting.
10826 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
10829 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
10830 xcoff_tbss_section_name.
10831 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
10832 * xcoffout.c (xcoff_tbss_section_name): Delete.
10833 * xcoffout.h (xcoff_tbss_section_name): Delete.
10835 2021-03-11 Richard Biener <rguenther@suse.de>
10837 PR tree-optimization/99523
10838 * tree-cfg.c (dump_function_to_file): Dump SSA names
10839 w/o identifier to the decls section as well, not only those
10840 without a VAR_DECL.
10842 2021-03-11 Jakub Jelinek <jakub@redhat.com>
10845 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
10846 function calls with lhs fail if the lhs don't have compatible types.
10848 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
10850 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
10851 Change FRAME_POINTER_REGNUM to correspond to a new faked
10852 register faked_fp, part of GENNONACR_REGS like faked_ap.
10853 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
10854 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
10855 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
10856 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
10857 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
10859 (CRIS_REAL_FP_REGNUM): New constant.
10860 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
10861 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
10862 (cris_initial_elimination_offset): Handle elimination changes
10863 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
10864 and add one from FRAME_POINTER_REGNUM to
10865 HARD_FRAME_POINTER_REGNUM.
10866 (cris_expand_prologue, cris_expand_epilogue): Emit code for
10867 hard_frame_pointer_rtx instead of frame_pointer_rtx.
10869 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
10872 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
10873 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
10875 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
10878 * lra-constraints.c (process_address_1): Don't check unknown
10879 constraint, use X for empty constraint.
10881 2021-03-10 Alex Coplan <alex.coplan@arm.com>
10883 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
10884 Fix typo in comment describing "is_ha" argument.
10886 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
10888 * doc/sourcebuild.texi: Document LRA target selector.
10890 2021-03-10 David Malcolm <dmalcolm@redhat.com>
10892 * doc/ux.texi: Add subsection contrasting interactive versus
10893 batch usage of GCC.
10895 2021-03-10 Joel Hutton <joel.hutton@arm.com>
10898 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
10900 (vectorizable_load): Fix gather load mask check condition.
10902 2021-03-10 Richard Biener <rguenther@suse.de>
10904 PR tree-optimization/99510
10905 * tree.c (check_aligned_type): Check that the candidate
10906 has TYPE_USER_ALIGN set instead of matching with the
10909 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
10911 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
10912 float and vector integer modes only if the mode is not larger.
10914 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
10916 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
10918 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
10920 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
10922 * ira-lives.c (single_reg_class): Ditto.
10924 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
10926 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
10927 the architecture-specific rtems.h.
10928 (aarch64-*-rtems*): Likewise.
10929 (arm*-*-rtems*): Likewise.
10930 (epiphany-*-rtems*): Likewise.
10931 (riscv*-*-rtems*): Likewise.
10933 2021-03-09 Jakub Jelinek <jakub@redhat.com>
10935 PR tree-optimization/99305
10936 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
10937 before integer_all_onesp instead of vice versa.
10939 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
10941 * common/config/arm/arm-common.c (arm_config_default): Change type
10942 of 'i' to unsigned.
10944 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
10947 * lra-constraints.c (process_address_1): Process constraint 'g'
10948 separately and digital constraints containing more one digit.
10950 2021-03-09 Nick Clifton <nickc@redhat.com>
10952 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
10953 (DWARF"_DEBUGGING_INFO): Define.
10955 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
10958 * calls.c (initialize_argument_information): When the argument
10959 is passed by reference, do not make a copy in a thunk only if
10960 the argument is already in memory. Remove redundant test for
10961 the case of callee copy.
10963 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
10966 * lra-constraints.c (process_address_1): Process 0..9 constraints
10967 in process_address_1.
10969 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
10971 * config/s390/s390.c (struct s390_processor processor_table):
10972 Binutils name string must not be empty.
10974 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
10976 * config/arc/arc.c (arc_attr_type): Remove function.
10978 2021-03-09 Martin Liska <mliska@suse.cz>
10981 * config/i386/i386-options.c (ix86_option_override_internal):
10982 Set isa_flags for OPTS argument and not for the global
10985 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
10987 * config/rs6000/predicates.md (ds_form_mem_operand): Check
10990 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
10993 * config/rs6000/predicates.md (ds_form_mem_operand) New
10995 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
10996 ds_form_mem_operand in ld/lwa patterns.
10997 * config/rs6000/fusion.md: Regenerate file.
10999 2021-03-08 Martin Sebor <msebor@redhat.com>
11001 PR middle-end/98266
11002 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
11003 (array_bounds_checker::check_array_bounds): Call it.
11005 2021-03-08 Martin Sebor <msebor@redhat.com>
11007 PR middle-end/97631
11008 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
11009 (handle_builtin_stxncpy_strncat): Rename locals. Determine
11010 destination size from allocation calls. Issue a more appropriate
11012 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
11013 (handle_builtin_memset): Same.
11015 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
11018 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
11019 to ensure we do not have an Altivec style address.
11020 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
11021 an Altivec style address.
11022 (*vsx_le_perm_store_<mode>): Likewise.
11023 (splitters after *vsx_le_perm_store_<mode>): Likewise.
11024 (vsx_load_<mode>): Disable special expander if passed an Altivec
11026 (vsx_store_<mode>): Likewise.
11028 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11031 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
11032 (aarch64_simd_shift_imm_vec_hi): Likewise.
11033 (aarch64_simd_shift_imm_vec_si): Likewise.
11034 (aarch64_simd_shift_imm_vec_di): Likewise.
11035 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
11036 predicate from above.
11037 (aarch64_shrn<mode>_insn_be): Likewise.
11038 (aarch64_rshrn<mode>_insn_le): Likewise.
11039 (aarch64_rshrn<mode>_insn_be): Likewise.
11040 (aarch64_shrn2<mode>_insn_le): Likewise.
11041 (aarch64_shrn2<mode>_insn_be): Likewise.
11042 (aarch64_rshrn2<mode>_insn_le): Likewise.
11043 (aarch64_rshrn2<mode>_insn_be): Likewise.
11045 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
11048 * lra-constraints.c (skip_contraint_modifiers): New function.
11049 (process_address_1): Use it before lookup_constraint call.
11051 2021-03-08 Martin Liska <mliska@suse.cz>
11054 * config/i386/i386-options.c (ix86_option_override_internal):
11055 Enable UINTR and HRESET for -march that supports it.
11057 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
11059 * config/s390/s390.c (f_constraint_p): New function.
11060 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
11061 (TARGET_MD_ASM_ADJUST): Likewise.
11063 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
11066 * tree-nested.c (convert_local_reference_stmt): Avoid calling
11067 lookup_field_for_decl for Fortran module (= namespace context).
11069 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
11071 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
11072 comparison with arithmetic right shift.
11073 (s390_expand_vcond): No need for a force_reg anymore.
11074 s390_vec_compare will do it.
11075 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
11076 immediate operands.
11078 2021-03-07 Jakub Jelinek <jakub@redhat.com>
11081 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
11082 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
11084 * config/i386/sse.md (v_Yw): New define_mode_attr.
11085 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
11086 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
11088 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
11089 xYw in constraints.
11091 2021-03-06 Julian Brown <julian@codesourcery.com>
11093 * tree-pretty-print.c (dump_generic_node): Emit non-generic
11094 address space info for aggregates.
11096 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
11098 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
11100 2021-03-05 Jakub Jelinek <jakub@redhat.com>
11102 PR middle-end/99322
11103 * tree-cfg.c (bb_to_omp_idx): New variable.
11104 (execute_build_cfg): Release the bb_to_omp_idx vector after
11105 cleanup_tree_cfg returns.
11106 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
11107 for bb_to_omp_idx being a vec<int> instead of pointer to array
11109 (make_edges): Remove bb_to_omp_idx local variable, don't pass
11110 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
11111 vec<int> instead of pointer to array of ints and don't free/release
11113 (remove_bb): When removing a bb and placing forced label somewhere
11114 else, ensure it is put into the same OpenMP region during cfg
11115 pass if possible or to entry successor as fallback. Unregister
11116 bb from bb_to_omp_idx.
11118 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
11121 * lra-constraints.c (process_address_1): Skip decomposing address
11122 for asm insn operand with unknown constraint.
11124 2021-03-05 Martin Jambor <mjambor@suse.cz>
11127 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
11128 corresponding speculative edges if we are about to resolve
11129 sepculation. Make edge direct (and so resolve speculations) before
11130 removing it from call_site_hash.
11131 (cgraph_edge::make_direct): Relax the initial assert to allow calling
11132 the function on speculative direct edges.
11134 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
11136 PR rtl-optimization/99376
11137 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
11138 of low-order zero bits is too large, set the result to 0 directly.
11140 2021-03-04 Jakub Jelinek <jakub@redhat.com>
11142 PR middle-end/93235
11143 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
11144 SUBREG and a SUBREG to op_mode can't be created.
11146 2021-03-04 Alex Coplan <alex.coplan@arm.com>
11149 * config/aarch64/aarch64-sve-builtins.cc
11150 (function_resolver::require_vector_type): Handle error_mark_node.
11152 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
11154 * cfgexpand.c (expand_asm_loc): Pass new parameter.
11155 (expand_asm_stmt): Likewise.
11156 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
11158 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
11159 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
11160 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
11161 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
11162 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
11163 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
11164 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
11165 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
11166 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
11167 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
11168 * doc/tm.texi (md_asm_adjust): Likewise.
11169 * target.def (md_asm_adjust): Likewise.
11171 2021-03-04 Richard Biener <rguenther@suse.de>
11173 PR middle-end/97855
11174 * tree-pretty-print.c: Poison pp_printf.
11175 (dump_decl_name): Avoid use of pp_printf.
11176 (dump_block_node): Likewise.
11177 (dump_generic_node): Likewise.
11179 2021-03-04 Martin Sebor <msebor@redhat.com>
11181 PR middle-end/96963
11182 PR middle-end/94655
11183 * builtins.c (handle_array_ref): New helper.
11184 (handle_mem_ref): New helper.
11185 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
11186 into new helper functions. Correct a workaround for vectorized
11189 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
11191 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
11192 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
11193 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
11194 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
11195 attribute for Power10.
11196 * config/rs6000/mma.md (*movoo): Likewise.
11197 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
11198 (define_mode_attr bits): Add DD/TD modes.
11199 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
11200 store_conditionalpti): Update size attribute for Power10.
11202 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11205 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
11206 -Wuninitialized, -Wmaybe-uninitialized.
11207 (wide-int.o-warn): Likewise.
11209 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
11211 * common/config/arm/arm-common.c: Include configargs.h.
11212 (arm_config_default): New function.
11213 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
11214 processors that do not support Thumb. Take into account the
11215 --with-mode configuration setting for selecting the default.
11216 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
11217 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
11219 2021-03-03 Martin Liska <mliska@suse.cz>
11221 PR gcov-profile/97461
11222 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
11224 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
11227 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
11228 point back the hard frame pointer to its default location when the
11229 frame is larger than SEH_MAX_FRAME_SIZE.
11231 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11234 * config/i386/predicates.md (logic_operator): New define_predicate.
11235 * config/i386/i386.md (mov + mem using comm arith peephole2):
11236 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
11237 and the inner mode is [QH]Imode.
11239 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11242 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
11243 (new_loc_list): Clear end_entry.
11244 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
11245 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
11247 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
11248 initialize also end_entry.
11250 2021-03-03 Jakub Jelinek <jakub@redhat.com>
11253 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
11254 partitions, if in non-layout mode after reorder_blocks also move
11255 affected blocks to ensure a single partition transition.
11257 2021-03-03 Jason Merrill <jason@redhat.com>
11260 * cgraphunit.c (process_function_and_variable_attributes): Don't
11261 warn about flatten on an alias if the target also has it.
11262 * cgraph.h (symtab_node::get_alias_target_tree): New.
11264 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
11266 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
11267 period to symbol name.
11268 (tls_get_addr_internal<mode>): Same.
11270 2021-03-02 David Malcolm <dmalcolm@redhat.com>
11273 * diagnostic-show-locus.c
11274 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
11277 2021-03-02 Martin Sebor <msebor@redhat.com>
11279 PR middle-end/99276
11280 * builtins.c (warn_for_access): Remove stray warning text.
11282 2021-03-02 Martin Sebor <msebor@redhat.com>
11284 PR middle-end/99295
11285 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
11288 2021-03-02 Jakub Jelinek <jakub@redhat.com>
11291 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
11292 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
11293 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
11294 DW_MACRO_define_strx and DW_MACRO_undef_strx.
11295 (save_macinfo_strings): Use DW_MACRO_*_str* even with
11296 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
11297 DW_MACRO_undef_strx.
11299 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
11301 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
11303 (BT_FN_V8HI_V8HI_UINT): Likewise.
11304 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
11305 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
11306 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
11307 New builtin definitions.
11308 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
11309 vector extension version.
11310 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
11311 available with current -march level.
11312 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
11313 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
11314 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
11315 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
11316 (vec_extend_to_fp32_lo): Likewise.
11317 (vec_round_from_fp32): Likewise.
11318 (vec_convert_to_fp16): Likewise.
11319 (vec_convert_from_fp16): Likewise.
11320 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
11321 (vclfnls_v8hi): Likewise.
11322 (vcrnfs_v8hi): Likewise.
11323 (vcfn_v8hi): Likewise.
11324 (vcnf_v8hi): Likewise.
11326 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
11328 * common/config/s390/s390-common.c (processor_flags_table): New entry.
11329 * config.gcc: Enable arch14 for --with-arch and --with-tune.
11330 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
11331 arch14 for unknown CPU models.
11332 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
11333 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
11334 (s390_get_sched_attrmask): Likewise.
11335 (s390_get_unit_mask): Likewise.
11336 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
11337 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
11338 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
11339 (TARGET_NNPA_P): New macro definitions.
11340 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
11341 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
11343 2021-03-02 Jakub Jelinek <jakub@redhat.com>
11345 PR middle-end/95757
11346 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
11347 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
11348 != 1 comparisons if name is lhs of a comparison.
11350 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
11354 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
11355 * config/darwin.c (darwin_should_restore_cfa_state): New.
11356 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
11357 * doc/tm.texi: Regenerated.
11358 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
11359 * dwarf2cfi.c (connect_traces): If the target requests, restore
11360 the CFA expression after a DW_CFA_restore.
11361 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
11363 2021-03-01 Martin Liska <mliska@suse.cz>
11366 * optc-save-gen.awk: Add 4 more exceptions.
11368 2021-03-01 Nathan Sidwell <nathan@acm.org>
11371 * tree.h (TYPE_ALIGN_RAW): New accessor.
11372 (TYPE_ALIGN): Use it.
11374 2021-03-01 Jan Hubicka <jh@suse.cz>
11377 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
11379 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
11382 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
11383 point the hard frame pointer to the SSE register save area instead
11384 of the general register save area. Perform only minimal adjustment
11385 for small frames if it is initially not correctly aligned.
11386 (ix86_expand_prologue): Remove early saves for a SEH target.
11387 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
11389 2021-02-28 Jakub Jelinek <jakub@redhat.com>
11392 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
11393 typo - referneced -> referenced.
11394 * tree.c (component_ref_size): Fix comment typo -
11395 refernce -> reference.
11396 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
11397 traling -> trailing.
11398 (aliasing_component_refs_p): Fix comment typos -
11399 refernce -> reference and refernece -> reference and
11400 traling -> trailing.
11401 (nonoverlapping_refs_since_match_p): Fix comment typo -
11402 referneces -> references.
11403 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
11404 referneces -> references.
11406 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
11408 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
11409 diagnostic message to avoid use of a contraction and format
11412 2021-02-27 Jakub Jelinek <jakub@redhat.com>
11415 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
11416 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
11417 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
11418 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
11421 2021-02-26 Richard Biener <rguenther@suse.de>
11423 PR middle-end/99281
11424 * expr.c (store_field): For calls with return-slot optimization
11425 and addressable return type expand the store directly.
11427 2021-02-26 Richard Biener <rguenther@suse.de>
11430 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
11432 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
11435 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
11438 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
11440 * config.gcc: Add rs6000-pcrel-opt.o.
11441 * config/rs6000/rs6000-pcrel-opt.c: New file.
11442 * config/rs6000/pcrel-opt.md: New file.
11443 * config/rs6000/predicates.md: Add d_form_memory predicate.
11444 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
11445 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
11446 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
11447 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
11448 and make_pass_pcrel_opt().
11449 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
11450 (rs6000_option_override_internal): Add pcrel-opt.
11451 (rs6000_delegitimize_address): Support pcrel-opt.
11452 (rs6000_opt_masks): Add pcrel-opt.
11453 (pcrel_opt_valid_mem_p): New function.
11454 (reg_to_non_prefixed): Make global.
11455 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
11456 (output_pcrel_opt_reloc): New function.
11457 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
11458 (pcrel_extern_addr): Set loads_extern_addr.
11459 Add include for pcrel-opt.md.
11460 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
11461 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
11464 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
11467 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
11468 If TARGET_64BIT and dest is SUBREG, we check the width, if it
11469 equal to SImode, we use SImode operation, just like what we are
11472 2021-02-26 Marek Polacek <polacek@redhat.com>
11474 * builtins.c (warn_for_access): Fix typos.
11476 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
11478 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
11479 mark in front of the immediate quantity.
11480 (<optab>_rolsi3_uxtw): Likewise.
11482 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
11485 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
11486 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
11487 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
11488 address and disable when the FPCXT is not available.
11489 (nonsecure_call_value_reg_thumb2): Likewise.
11491 2021-02-25 Nathan Sidwell <nathan@acm.org>
11494 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
11496 2021-02-25 Tamar Christina <tamar.christina@arm.com>
11498 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
11500 2021-02-25 Richard Biener <rguenther@suse.de>
11502 PR tree-optimization/99253
11503 * tree-vect-loop.c (check_reduction_path): First compute
11504 code, then verify out-of-loop uses.
11506 2021-02-25 Jakub Jelinek <jakub@redhat.com>
11509 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
11511 2021-02-25 Jakub Jelinek <jakub@redhat.com>
11513 PR tree-optimization/80635
11514 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
11515 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
11516 has mode precision.
11518 2021-02-25 Richard Biener <rguenther@suse.de>
11520 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
11521 load_map population.
11522 (vect_match_slp_patterns_2): Revert part of last change.
11523 (vect_analyze_slp): Do not interleave optimize_load_redistribution
11524 with pattern detection but do it afterwards. Dump the
11525 whole SLP graph after pattern recognition and load
11526 redistribution optimization finished.
11528 2021-02-24 Jakub Jelinek <jakub@redhat.com>
11531 * omp-low.c (struct omp_context): Add teams_nested_p and
11532 nonteams_nested_p members.
11533 (scan_omp_target): Diagnose teams nested inside of target with other
11534 directives strictly nested inside of the same target.
11535 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
11536 ctx->nonteams_nested_p as needed.
11538 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
11540 PR inline-asm/99123
11541 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
11543 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
11545 * config/cris/cris.c (cris_expand_prologue): Set
11546 current_function_static_stack_size, if flag_stack_usage_info.
11548 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
11550 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
11551 (rs6000_final_prescan_insn): Adjust.
11552 (rs6000_asm_output_opcode): Likewise.
11554 2021-02-24 Martin Sebor <msebor@redhat.com>
11556 PR middle-end/97172
11557 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
11558 from function arguments.
11560 2021-02-24 Tamar Christina <tamar.christina@arm.com>
11562 PR tree-optimization/99220
11563 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
11564 node from cache when it's about to be deleted.
11566 2021-02-24 Jakub Jelinek <jakub@redhat.com>
11568 PR tree-optimization/99225
11569 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
11570 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
11571 build_int_cst (..., 1). Formatting fixes.
11573 2021-02-24 Tamar Christina <tamar.christina@arm.com>
11575 PR tree-optimization/99149
11576 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
11578 (vect_slp_reset_pattern): Remove.
11579 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
11580 (complex_mul_pattern::build, complex_fma_pattern::build,
11581 complex_fms_pattern::build): Fix ref counts.
11582 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
11583 when node is being deleted.
11584 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
11585 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
11587 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
11589 2021-02-24 Matthias Klose <doko@ubuntu.com>
11592 2020-12-07 Matthias Klose <doko@ubuntu.com>
11594 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
11595 and ENABLE_RTL_FLAG_CHECKING.
11597 2021-02-24 Richard Biener <rguenther@suse.de>
11600 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
11602 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
11604 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
11605 (vsx_assemble_pair): ...to this.
11606 (*mma_assemble_pair): Rename from this...
11607 (*vsx_assemble_pair): ...to this.
11608 (mma_disassemble_pair): Rename from this...
11609 (vsx_disassemble_pair): ...to this.
11610 (*mma_disassemble_pair): Rename from this...
11611 (*vsx_disassemble_pair): ...to this.
11612 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
11613 BU_COMPAT): New macros.
11614 (mma_assemble_pair): Rename from this...
11615 (vsx_assemble_pair): ...to this.
11616 (mma_disassemble_pair): Rename from this...
11617 (vsx_disassemble_pair): ...to this.
11618 (mma_assemble_pair): New compatibility built-in.
11619 (mma_disassemble_pair): Likewise.
11620 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
11621 (RS6000_BUILTIN_COMPAT): Define.
11622 (bdesc_compat): New.
11623 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
11624 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
11625 and VSX_BUILTIN_ASSEMBLE_PAIR.
11626 (rs6000_init_builtins): Register compatibility built-ins.
11627 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
11628 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
11629 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
11630 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
11631 (__builtin_vsx_assemble_pair): ...to this.
11632 (__builtin_mma_disassemble_pair): Rename from this...
11633 (__builtin_vsx_disassemble_pair): ...to this.
11635 2021-02-23 Martin Liska <mliska@suse.cz>
11638 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
11639 with different alignment. That leads to an invalid red zone
11640 size allocated in runtime.
11642 2021-02-23 Jakub Jelinek <jakub@redhat.com>
11644 PR tree-optimization/99204
11645 * fold-const.c (fold_read_from_constant_string): Check that
11646 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
11648 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
11649 Kewen Lin <linkw@gcc.gnu.org>
11651 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
11652 (rotl<mode>3_insert_3): ...this.
11653 (plus_ior_xor): New code_iterator.
11654 (define_split for GPR rl*imi): New splitter.
11655 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
11656 for integer merging.
11658 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11660 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
11662 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
11663 into a register when the above is enabled.
11664 * config/aarch64/aarch64.c (neoversev1_tunings):
11665 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
11666 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
11668 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
11670 * config/cris/cris.c (cris_print_operand) <'T'>: Change
11671 valid operand from is now an addi mult-value to shift-value.
11672 * config/cris/cris.md (*addi): Change expression of scaled
11673 operand from mult to ashift.
11674 * config/cris/cris.md (*addi_reload): New insn_and_split.
11676 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
11679 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
11680 hook_bool_const_tree_hwi_hwi_const_tree_true.
11681 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
11683 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
11685 PR rtl-optimization/98791
11686 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
11687 for unordered modes.
11689 2021-02-22 Martin Liska <mliska@suse.cz>
11691 * tree-inline.c (inline_forbidden_p): Set
11692 inline_forbidden_reason.
11694 2021-02-22 Richard Biener <rguenther@suse.de>
11696 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
11699 2021-02-22 Richard Biener <rguenther@suse.de>
11701 PR tree-optimization/99165
11702 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
11703 Accumulate changed to ret.
11705 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
11708 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
11710 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
11712 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
11715 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
11717 (trunctf<DFP_ALL:mode>2): Likewise.
11718 (trunctdtf2_vr): Likewise.
11719 (trunctdtf2): Likewise.
11720 (extend<DFP_ALL:mode>tf2_vr): Likewise.
11721 (extend<DFP_ALL:mode>tf2): Likewise.
11722 (extendtftd2_vr): Likewise.
11723 (extendtftd2): Likewise.
11725 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
11727 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
11728 add memory alternative.
11729 (tf_to_fprx2): New pattern.
11731 2021-02-19 Martin Sebor <msebor@redhat.com>
11734 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
11735 (attr_access::free_lang_data): Remove a spurious test.
11737 2021-02-19 Nathan Sidwell <nathan@acm.org>
11739 * doc/invoke.texi (flang-info-module-read): Document.
11741 2021-02-19 Martin Liska <mliska@suse.cz>
11743 PR translation/99167
11744 * params.opt: Fix typo.
11746 2021-02-19 Richard Biener <rguenther@suse.de>
11748 PR middle-end/99122
11749 * tree-inline.c (inline_forbidden_p): Do not inline functions
11750 with VLA arguments or return value.
11752 2021-02-19 Jakub Jelinek <jakub@redhat.com>
11755 * config/arm/arm.md (*stack_protect_combined_set_insn,
11756 *stack_protect_combined_test_insn): If force_const_mem result
11757 is not valid general operand, force its address into the destination
11760 2021-02-19 Jakub Jelinek <jakub@redhat.com>
11763 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
11764 pad or non-local label, put FORCED_LABELs from bb b after that label
11765 rather than before it.
11767 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
11770 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
11771 expand_vector_broadcast' to emit the vec_duplicate operand.
11773 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
11775 PR rtl-optimization/96264
11776 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
11779 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
11782 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
11783 looking up the retain attribute.
11784 (resolve_unique_section): Likewise.
11785 (get_variable_section): Likewise.
11786 (switch_to_section): Likewise. Warn when a symbol without the
11787 retain attribute and a symbol with the retain attribute are
11788 placed in the section with the same name, instead of the used
11790 * doc/extend.texi: Document the "retain" attribute.
11792 2021-02-18 Nathan Sidwell <nathan@acm.org>
11795 * doc/invoke.texi (flang-info-include-translate): Document header
11798 2021-02-18 Richard Biener <rguenther@suse.de>
11800 PR middle-end/99122
11801 * ipa-fnsummary.c (analyze_function_body): Set
11802 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
11803 * tree-inline.c (insert_init_debug_bind): Pass NULL for
11804 error_mark_node values.
11805 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
11807 (setup_one_parameter): Delay force_value_to_type until when
11810 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
11812 PR tree-optimization/99142
11813 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
11815 2021-02-18 Jakub Jelinek <jakub@redhat.com>
11817 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
11818 wide_int_bitmask::wide_int_bitmask (uint64_t),
11819 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
11820 wide_int_bitmask::operator ~ () const,
11821 wide_int_bitmask::operator | (wide_int_bitmask) const,
11822 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
11824 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
11825 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
11826 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
11827 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
11828 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
11829 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
11830 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
11831 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
11832 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
11833 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
11834 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
11835 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
11836 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
11837 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
11838 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
11839 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
11840 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
11841 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
11842 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
11843 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
11844 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
11845 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
11846 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
11847 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
11849 2021-02-18 Jakub Jelinek <jakub@redhat.com>
11851 PR middle-end/99109
11852 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
11853 (build_printable_array_type): ... this. Add nelts argument. For
11854 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
11855 nelts, call build_array_type_nelts.
11856 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
11857 instead of build_zero_elt_array_type and build_array_type_nelts.
11859 2021-02-18 Jakub Jelinek <jakub@redhat.com>
11862 * config/i386/i386.c (distance_non_agu_define): Don't call
11863 extract_insn_cached here.
11864 (ix86_lea_outperforms): Save and restore recog_data around call
11865 to distance_non_agu_define and distance_agu_use.
11866 (ix86_ok_to_clobber_flags): Remove.
11867 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
11868 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
11869 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
11870 into define_insn. Move the splitting to define_peephole2 and
11871 check there using peep2_regno_dead_p if FLAGS_REG is dead.
11873 2021-02-17 Julian Brown <julian@codesourcery.com>
11875 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
11878 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
11881 * config/mips/mips.c (mips_symbol_insns): Do not use
11882 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
11884 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
11886 PR inline-asm/98096
11887 * stmt.c (resolve_operand_name_1): Take inout operands into account
11888 for access to labels by names.
11889 * doc/extend.texi: Describe counting operands for accessing labels.
11891 2021-02-16 Richard Biener <rguenther@suse.de>
11893 PR tree-optimization/38474
11894 * tree-ssa-structalias.c (variable_info::address_taken): New.
11895 (new_var_info): Initialize address_taken.
11896 (process_constraint): Set address_taken.
11897 (solve_constraints): Use the new address_taken flag rather
11898 than is_reg_var for sorting variables.
11899 (dump_constraint): Dump the variable number if the name
11902 2021-02-16 Jakub Jelinek <jakub@redhat.com>
11905 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
11906 multiply by 4096 and for inbranch by 8192.
11907 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
11908 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
11910 2021-02-15 Maya Rashish <coypu@sdf.org>
11912 * config/aarch64/aarch64.c (aarch64_init_builtins):
11913 Call SUBTARGET_INIT_BUILTINS.
11915 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
11917 PR rtl-optimization/98872
11918 * init-regs.c (initialize_uninitialized_regs): Skip initialization
11919 if CONST0_RTX is NULL.
11921 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
11923 PR rtl-optimization/98863
11924 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
11925 (function_info::build_info): Turn into a declaration, moving the
11926 definition to internals.h.
11927 (function_info::bb_walker): Declare.
11928 (function_info::create_reg_use): Likewise.
11929 (function_info::calculate_potential_phi_regs): Take a build_info
11931 (function_info::place_phis, function_info::create_ebbs): Declare.
11932 (function_info::calculate_ebb_live_in_for_debug): Likewise.
11933 (function_info::populate_backedge_phis): Delete.
11934 (function_info::start_block, function_info::end_block): Declare.
11935 (function_info::populate_phi_inputs): Delete.
11936 (function_info::m_potential_phi_regs): Move information to build_info.
11937 * rtl-ssa/internals.h: New file.
11938 (function_info::bb_phi_info): New class.
11939 (function_info::build_info): Moved from functions.h.
11940 Add a constructor and destructor.
11941 (function_info::build_info::ebb_use): Delete.
11942 (function_info::build_info::ebb_def): Likewise.
11943 (function_info::build_info::bb_live_out): Likewise.
11944 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
11945 (function_info::build_info::potential_phi_regs): Likewise.
11946 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
11947 (function_info::build_info::ebb_def_regs): Likewise.
11948 (function_info::build_info::bb_phis): Likewise.
11949 (function_info::build_info::bb_mem_live_out): Likewise.
11950 (function_info::build_info::bb_to_rpo): Likewise.
11951 (function_info::build_info::def_stack): Likewise.
11952 (function_info::build_info::old_def_stack_limit): Likewise.
11953 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
11954 Remove the regno argument. Push the previous definition onto the
11955 definition stack where necessary.
11956 * rtl-ssa/accesses.cc: Include internals.h.
11957 * rtl-ssa/changes.cc: Likewise.
11958 * rtl-ssa/blocks.cc: Likewise.
11959 (function_info::build_info::build_info): Define.
11960 (function_info::build_info::~build_info): Likewise.
11961 (function_info::bb_walker): New class.
11962 (function_info::bb_walker::bb_walker): Define.
11963 (function_info::add_live_out_use): Convert a logarithmic-complexity
11964 test into a linear one. Allow the same definition to be passed
11966 (function_info::calculate_potential_phi_regs): Moved from
11967 functions.cc. Take a build_info parameter and store the
11968 information there instead.
11969 (function_info::place_phis): New function.
11970 (function_info::add_entry_block_defs): Update call to record_reg_def.
11971 (function_info::calculate_ebb_live_in_for_debug): New function.
11972 (function_info::add_phi_nodes): Use bb_phis to decide which
11973 registers need phi nodes and initialize ebb_def_regs accordingly.
11974 Do not add degenerate phis here.
11975 (function_info::add_artificial_accesses): Use create_reg_use.
11976 Assert that all definitions are listed in the DF LR sets.
11977 Update call to record_reg_def.
11978 (function_info::record_block_live_out): Record live-out register
11979 values in the phis of successor blocks. Use the live-out set
11980 when processing the last block in an EBB, instead of always
11981 using the live-in sets of successor blocks. AND the live sets
11982 with the set of registers that have been defined in the EBB,
11983 rather than with all potential phi registers. Cope correctly
11984 with branches back to the start of the current EBB.
11985 (function_info::start_block): New function.
11986 (function_info::end_block): Likewise.
11987 (function_info::populate_phi_inputs): Likewise.
11988 (function_info::create_ebbs): Likewise.
11989 (function_info::process_all_blocks): Rewrite into a multi-phase
11991 * rtl-ssa/functions.cc: Include internals.h.
11992 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
11993 (function_info::init_function_data): Remove caller.
11994 * rtl-ssa/insns.cc: Include internals.h
11995 (function_info::create_reg_use): New function. Lazily any
11996 degenerate phis needed by the linear RPO view.
11997 (function_info::record_use): Use create_reg_use. When processing
11998 debug uses, use potential_phi_regs and test it before checking
11999 whether the register is live on entry to the current EBB. Lazily
12000 calculate ebb_live_in_for_debug.
12001 (function_info::record_call_clobbers): Update call to record_reg_def.
12002 (function_info::record_def): Likewise.
12004 2021-02-15 Martin Liska <mliska@suse.cz>
12006 * toplev.c (init_asm_output): Free output of
12007 gen_command_line_string function.
12008 (process_options): Likewise.
12010 2021-02-15 Martin Liska <mliska@suse.cz>
12012 * params.opt: Add 2 missing Param keywords.
12014 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
12016 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
12018 2021-02-15 Jakub Jelinek <jakub@redhat.com>
12020 PR tree-optimization/99079
12021 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
12022 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
12023 require both type and TREE_TYPE (@1) to be integral types and either
12024 type having smaller or equal precision, or TREE_TYPE (@1) being
12025 unsigned type, or type being signed type. If TREE_TYPE (@1)
12026 doesn't have wrapping overflow, perform the subtraction of one in
12029 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
12030 Richard Biener <rguether@suse.de>
12033 * ipa-reference.c (ipa_init): Only conditinally initialize
12034 reference_vars_to_consider.
12035 (propagate): Conditionally deninitialize reference_vars_to_consider.
12036 (ipa_reference_write_optimization_summary): Sanity check that
12037 reference_vars_to_consider is not allocated.
12039 2021-02-13 Levy Hsu <admin@levyhsu.com>
12042 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
12043 extend parameter to get_si_mem_base_reg declaration.
12044 (get_si_mem_base_reg): Add extend parameter. Set it.
12045 (analyze): Pass extend arg to get_si_mem_base_reg.
12046 (transform): Likewise. Use it when rewriting mems.
12047 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
12048 loads and emit sign/zero extending load followed by subreg move.
12050 2021-02-13 Jim Wilson <jimw@sifive.com>
12053 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
12054 exit when !reload_completed. Only perform check for compressed reg
12055 if reload_completed.
12056 (riscv_rtx_costs): In MEM case, when optimizing for size and
12057 shorten memrefs, if not compressible, then increase cost.
12059 2021-02-13 Jakub Jelinek <jakub@redhat.com>
12061 PR rtl-optimization/98439
12062 * recog.c (pass_split_before_regstack::gate): Enable even when
12063 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
12066 2021-02-13 Jakub Jelinek <jakub@redhat.com>
12069 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
12070 swap of V2SImode elements in memory into DImode memory rotate by 32.
12072 2021-02-12 Martin Sebor <msebor@redhat.com>
12074 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
12076 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
12078 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
12079 m_temp_obstack rather than m_obstack to allocate the temporary use.
12081 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
12083 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
12084 as read-modify operations.
12086 2021-02-12 Richard Biener <rguenther@suse.de>
12088 PR middle-end/38474
12089 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
12090 fbi->aa_walk_budget is bigger than zero. Update
12091 fbi->aa_walk_budget.
12092 (param_change_prob): Likewise.
12093 * ipa-prop.c (detect_type_change_from_memory_writes):
12094 Properly account walk_aliased_vdefs.
12095 (parm_preserved_before_stmt_p): Canonicalize updates.
12096 (parm_ref_data_preserved_p): Likewise.
12097 (parm_ref_data_pass_through_p): Likewise.
12098 (determine_known_aggregate_parts): Account own alias queries.
12100 2021-02-12 Martin Liska <mliska@suse.cz>
12102 * opts-common.c (decode_cmdline_option): Release werror_arg.
12103 * opts.c (gen_producer_string): Release output of
12104 gen_command_line_string.
12106 2021-02-12 Richard Biener <rguenther@suse.de>
12108 PR tree-optimization/38474
12109 * params.opt (-param=max-store-chains-to-track=): New param.
12110 (-param=max-stores-to-track=): Likewise.
12111 * doc/invoke.texi (max-store-chains-to-track): Document.
12112 (max-stores-to-track): Likewise.
12113 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
12115 (pass_store_merging::m_n_stores): Likewise.
12116 (pass_store_merging::terminate_and_process_chain): Update
12117 m_n_stores and m_n_chains.
12118 (pass_store_merging::process_store): Likewise. Terminate
12119 oldest chains if the number of stores or chains get too large.
12120 (imm_store_chain_info::terminate_and_process_chain): Dump
12123 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
12125 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
12126 the cold section, emit a nop before the directive if the previous
12127 active instruction can throw.
12129 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
12132 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
12133 memory addresses that are legal for quad word accesses.
12135 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
12138 * config/arm/thumb2.md (*doloop_end_internal): Generate
12139 alternative sequence to handle long range branches.
12141 2021-02-11 Joel Hutton <joel.hutton@arm.com>
12143 PR tree-optimization/98772
12144 * optabs-tree.c (supportable_half_widening_operation): New function
12145 to check for supportable V8QI->V8HI widening patterns.
12146 * optabs-tree.h (supportable_half_widening_operation): New function.
12147 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
12148 to create promotion stmts for V8QI->V8HI widening patterns.
12149 (vectorizable_conversion): Add case for V8QI->V8HI.
12151 2021-02-11 Richard Biener <rguenther@suse.de>
12153 * sparseset.h (SPARSESET_ELT_BITS): Remove.
12154 (SPARSESET_ELT_TYPE): Use unsigned int.
12155 * fwprop.c: Do not include sparseset.h.
12157 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12160 * varasm.c (declare_weak): For -fsyntax-only, allow even
12161 TREE_ASM_WRITTEN function decls.
12163 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12166 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
12167 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
12168 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
12169 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
12170 calling simplify_gen_subreg on it.
12172 2021-02-10 Martin Liska <mliska@suse.cz>
12174 * config/nvptx/nvptx.c (nvptx_option_override): Use
12175 flag_patchable_function_entry instead of the removed
12176 function_entry_patch_area_size.
12178 2021-02-10 Martin Liska <mliska@suse.cz>
12180 PR tree-optimization/99002
12181 PR tree-optimization/99026
12182 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
12183 leak when adjacent cases are merged.
12184 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
12186 (make_pass_lower_switch): Remove trailing whitespace.
12187 * tree-switch-conversion.h (release_clusters): New.
12189 2021-02-10 Richard Biener <rguenther@suse.de>
12191 PR rtl-optimization/99054
12192 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
12193 (fixup_partitions): Adjust.
12194 (rtl_verify_edges): Likewise.
12196 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12198 PR middle-end/99007
12199 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
12200 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
12203 2021-02-10 Richard Biener <rguenther@suse.de>
12206 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
12209 2021-02-10 Richard Biener <rguenther@suse.de>
12211 PR tree-optimization/99024
12212 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
12213 clear loop->aux if it is associated with the destroyed loop_vinfo.
12215 2021-02-10 Martin Liska <mliska@suse.cz>
12217 PR tree-optimization/99002
12218 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
12221 2021-02-10 Martin Liska <mliska@suse.cz>
12224 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
12225 a reference exists.
12227 2021-02-10 Jakub Jelinek <jakub@redhat.com>
12230 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
12231 at class scope for DWARF5+.
12233 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
12235 PR rtl-optimization/96015
12236 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
12237 (relax_delay_slots): When deleting a jump to the next active
12238 instruction over a barrier, first delete the barrier if the
12239 jump is the only way to reach the target label.
12241 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
12243 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
12244 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
12245 vector multiplies and vect.alu for SSRA.
12246 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
12247 vect.mul cost field.
12248 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
12249 * config/arm/arm.c: Likewise.
12251 2021-02-09 Richard Biener <rguenther@suse.de>
12253 PR tree-optimization/98863
12254 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
12255 * tree-ssa-sccvn.c (last_pushed_avail): New global.
12256 (rpo_elim::eliminate_push_avail): Chain pushed avails.
12257 (unwind_state::avail_top): Add.
12258 (do_unwind): Rewrite unwinding of avail entries.
12259 (do_rpo_vn): Initialize last_pushed_avail and
12260 avail_top of the undo state.
12262 2021-02-09 Jakub Jelinek <jakub@redhat.com>
12264 PR middle-end/99004
12265 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
12266 const char * to char * and free those pointers after use.
12268 2021-02-09 Richard Biener <rguenther@suse.de>
12270 PR tree-optimization/99017
12271 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
12272 zero vector cost entries.
12274 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
12276 PR middle-end/98974
12277 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
12278 parameter in vectorizable_condition.
12280 2021-02-08 Richard Biener <rguenther@suse.de>
12283 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
12285 2021-02-08 Martin Liska <mliska@suse.cz>
12288 * cfgexpand.c (pass_expand::execute): Parse per-function option
12289 flag_patchable_function_entry and use it.
12290 * common.opt: Remove function_entry_patch_area_size and
12291 function_entry_patch_area_start global variables.
12292 * opts.c (parse_and_check_patch_area): New function.
12293 (common_handle_option): Use it.
12294 * opts.h (parse_and_check_patch_area): New function.
12295 * toplev.c (process_options): Parse and use
12296 function_entry_patch_area_size.
12298 2021-02-08 Martin Sebor <msebor@redhat.com>
12300 * doc/extend.texi (attribute malloc): Correct typos.
12302 2021-02-05 Nathan Sidwell <nathan@acm.org>
12305 * gcc.c (driver::maybe_run_linker): Check for input file
12306 accessibility if not linking.
12308 2021-02-05 Richard Biener <rguenther@suse.de>
12310 PR tree-optimization/98855
12311 * tree-vectorizer.h (add_stmt_cost): New overload.
12312 * tree-vect-slp.c (li_cost_vec_cmp): New.
12313 (vect_bb_slp_scalar_cost): Cost individual loop regions
12314 separately. Account for the scalar instance root stmt.
12316 2021-02-05 Tom de Vries <tdevries@suse.de>
12319 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
12321 (bit_test_cluster::emit): Reuse location_t for newly created
12323 (switch_decision_tree::try_switch_expansion): Preserve
12325 * tree-switch-conversion.h: Change function signatures.
12327 2021-02-05 Jakub Jelinek <jakub@redhat.com>
12330 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
12331 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
12332 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
12333 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
12335 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12337 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
12338 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
12339 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
12340 (vget_high_f16): Reimplement using new builtin.
12341 (vget_high_f32): Likewise.
12342 (vget_high_f64): Likewise.
12343 (vget_high_p8): Likewise.
12344 (vget_high_p16): Likewise.
12345 (vget_high_p64): Likewise.
12346 (vget_high_s8): Likewise.
12347 (vget_high_s16): Likewise.
12348 (vget_high_s32): Likewise.
12349 (vget_high_s64): Likewise.
12350 (vget_high_u8): Likewise.
12351 (vget_high_u16): Likewise.
12352 (vget_high_u32): Likewise.
12353 (vget_high_u64): Likewise.
12355 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12357 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
12358 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
12359 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
12360 (vget_low_f16): Reimplement using new builtin.
12361 (vget_low_f32): Likewise.
12362 (vget_low_f64): Likewise.
12363 (vget_low_p8): Likewise.
12364 (vget_low_p16): Likewise.
12365 (vget_low_p64): Likewise.
12366 (vget_low_s8): Likewise.
12367 (vget_low_s16): Likewise.
12368 (vget_low_s32): Likewise.
12369 (vget_low_s64): Likewise.
12370 (vget_low_u8): Likewise.
12371 (vget_low_u16): Likewise.
12372 (vget_low_u32): Likewise.
12373 (vget_low_u64): Likewise.
12375 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
12377 * gcc.c (print_multilib_info): Check all required argument is provided
12380 2021-02-05 liuhongt <hongtao.liu@intel.com>
12383 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
12384 generate integer mask comparison for 128/256-bits vector when
12385 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
12386 delete redundant !maskcmp condition.
12387 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
12389 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
12390 condition directly to if (maskcmp), add extra check for
12391 cmpmode, it should be MODE_INT.
12392 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
12393 parameters op_true/op_false.
12394 (ix86_use_mask_cmp_p): New.
12396 2021-02-05 liuhongt <hongtao.liu@intel.com>
12399 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
12400 Remove m_GENERIC from ~list.
12401 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
12403 2021-02-04 David Malcolm <dmalcolm@redhat.com>
12406 * diagnostic-show-locus.c (compatible_locations_p): Require
12407 locations in the same macro map to be either both from the
12408 macro definition, or both from the macro arguments.
12410 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
12412 * config/aarch64/aarch64-simd-builtins.def: Add
12413 [su]mull_hi_lane[q] builtin generator macros.
12414 * config/aarch64/aarch64-simd.md
12415 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
12416 (aarch64_<su>mull_hi_lane<mode>): Define.
12417 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
12418 (aarch64_<su>mull_hi_laneq<mode>): Define.
12419 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
12420 builtin instead of inline asm.
12421 (vmull_high_lane_s32): Likewise.
12422 (vmull_high_lane_u16): Likewise.
12423 (vmull_high_lane_u32): Likewise.
12424 (vmull_high_laneq_s16): Likewise.
12425 (vmull_high_laneq_s32): Likewise.
12426 (vmull_high_laneq_u16): Likewise.
12427 (vmull_high_laneq_u32): Liekwise.
12429 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
12431 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
12432 builtin generator macros.
12433 * config/aarch64/aarch64-simd.md
12434 (aarch64_<su>mull_hi_n<mode>_insn): Define.
12435 (aarch64_<su>mull_hi_n<mode>): Define.
12436 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
12437 instead of inline asm.
12438 (vmull_high_n_s32): Likewise.
12439 (vmull_high_n_u16): Likewise.
12440 (vmull_high_n_u32): Likewise.
12442 2021-02-04 Richard Biener <rguenther@suse.de>
12444 PR tree-optimization/98855
12445 * tree-vect-loop.c (vectorizable_phi): Do not cost
12446 single-argument PHIs.
12447 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
12448 * tree-vect-stmts.c (vectorizable_bswap): Also perform
12449 costing for SLP operation.
12451 2021-02-04 Martin Liska <mliska@suse.cz>
12453 * doc/extend.texi: Mention -mprefer-vector-width in target
12456 2021-02-03 Martin Sebor <msebor@redhat.com>
12458 PR tree-optimization/98937
12459 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
12460 Flush pointer_query cache.
12462 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
12464 * config/rs6000/genfusion.pl (gen_2logical): Add missing
12465 fixes based on patch review.
12466 * config/rs6000/fusion.md: Regenerate file.
12468 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
12470 * config/rs6000/t-rs6000: Comment out auto generation of
12473 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
12475 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
12476 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
12477 (output_file_start): Add gfx908.
12478 * config/gcn/gcn.opt (gpu_type): Add gfx908.
12479 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
12480 (MULTILIB_DIRNAMES): Add gfx908.
12481 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
12482 (main): Recognize gfx908.
12483 * config/gcn/t-omp-device: Add gfx908.
12485 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12487 * config/aarch64/aarch64-simd-builtins.def: Add
12488 [su]mlsl_hi_lane[q] builtin macro generators.
12489 * config/aarch64/aarch64-simd.md
12490 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
12491 (aarch64_<su>mlsl_hi_lane<mode>): Define.
12492 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
12493 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
12494 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
12495 builtin instead of inline asm.
12496 (vmlsl_high_lane_s32): Likewise.
12497 (vmlsl_high_lane_u16): Likewise.
12498 (vmlsl_high_lane_u32): Likewise.
12499 (vmlsl_high_laneq_s16): Likewise.
12500 (vmlsl_high_laneq_s32): Likewise.
12501 (vmlsl_high_laneq_u16): Likewise.
12502 (vmlsl_high_laneq_u32): Likewise.
12503 (vmlal_high_laneq_u32): Likewise.
12505 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12507 * config/aarch64/aarch64-simd-builtins.def: Add
12508 [su]mlal_hi_lane[q] builtin generator macros.
12509 * config/aarch64/aarch64-simd.md
12510 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
12511 (aarch64_<su>mlal_hi_lane<mode>): Define.
12512 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
12513 (aarch64_<su>mlal_hi_laneq<mode>): Define.
12514 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
12515 builtin instead of inline asm.
12516 (vmlal_high_lane_s32): Likewise.
12517 (vmlal_high_lane_u16): Likewise.
12518 (vmlal_high_lane_u32): Likewise.
12519 (vmlal_high_laneq_s16): Likewise.
12520 (vmlal_high_laneq_s32): Likewise.
12521 (vmlal_high_laneq_u16): Likewise.
12522 (vmlal_high_laneq_u32): Likewise.
12524 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12526 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
12527 builtin generator macros.
12528 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
12530 (aarch64_<su>mlsl_hi_n<mode>): Define.
12531 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
12532 instead of inline asm.
12533 (vmlsl_high_n_s32): Likewise.
12534 (vmlsl_high_n_u16): Likewise.
12535 (vmlsl_high_n_u32): Likewise.
12537 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12539 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
12540 builtin generator macros.
12541 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
12543 (aarch64_<su>mlal_hi_n<mode>): Define.
12544 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
12545 instead of inline asm.
12546 (vmlal_high_n_s32): Likewise.
12547 (vmlal_high_n_u16): Likewise.
12548 (vmlal_high_n_u32): Likewise.
12550 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
12552 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
12554 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
12556 (aarch64_<su>mlal_hi<mode>_insn): This.
12557 (aarch64_<su>mlal_hi<mode>): Define.
12558 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
12559 instead of inline asm.
12560 (vmlal_high_s16): Likewise.
12561 (vmlal_high_s32): Likewise.
12562 (vmlal_high_u8): Likewise.
12563 (vmlal_high_u16): Likewise.
12564 (vmlal_high_u32): Likewise.
12566 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
12568 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
12569 after calling alter_subreg() on a (mem).
12571 2021-02-03 Martin Liska <mliska@suse.cz>
12574 * lto-streamer-out.c (produce_lto_section): Fill up missing
12576 * lto-streamer.h (struct lto_section): Add _padding field.
12578 2021-02-03 Richard Biener <rguenther@suse.de>
12580 * lto-streamer.c (lto_get_section_name): Free temporary
12582 * tree-loop-distribution.c
12583 (loop_distribution::merge_dep_scc_partitions): Free edge data.
12585 2021-02-03 Jakub Jelinek <jakub@redhat.com>
12587 PR middle-end/97487
12588 * ifcvt.c (noce_can_force_operand): New function.
12589 (noce_emit_move_insn): Use it.
12590 (noce_try_sign_mask): Likewise. Formatting fix.
12592 2021-02-03 Jakub Jelinek <jakub@redhat.com>
12594 PR middle-end/97971
12595 * lra-constraints.c (process_alt_operands): For inline asm, don't call
12596 fatal_insn, but instead return false.
12598 2021-02-03 Jakub Jelinek <jakub@redhat.com>
12600 PR tree-optimization/98287
12601 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
12604 2021-02-03 Tamar Christina <tamar.christina@arm.com>
12606 PR tree-optimization/98928
12607 * tree-vect-loop.c (vect_analyze_loop_2): Change
12608 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
12609 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
12610 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
12611 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
12613 2021-02-02 Richard Biener <rguenther@suse.de>
12615 * gimple-loop-interchange.cc (prepare_data_references):
12617 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
12618 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
12619 * tree-vect-stmts.c (vectorizable_condition): Do not
12621 (vectorizable_comparison): Likewise.
12623 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12625 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
12626 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
12627 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
12628 (vrsqrteq_u32): Likewise.
12630 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12632 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
12633 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
12634 (aarch64_sqxtun2<mode>_be): Likewise.
12635 (aarch64_sqxtun2<mode>): Likewise.
12636 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
12637 (vqmovun_high_s32): Likewise.
12638 (vqmovun_high_s64): Likewise.
12639 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
12641 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12643 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
12645 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
12647 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12649 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
12650 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
12651 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
12652 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
12653 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
12654 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
12655 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
12656 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
12658 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12660 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
12661 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
12662 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
12664 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12666 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
12667 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
12669 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12671 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
12672 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
12673 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
12674 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
12675 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
12676 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
12677 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
12678 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
12679 NONE builtin flags.
12681 2021-02-02 Jakub Jelinek <jakub@redhat.com>
12683 PR tree-optimization/98848
12684 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
12685 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
12687 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
12690 * expr.c: Check mode before calling store_expr.
12692 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
12694 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
12696 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
12697 instruction using expression ior.
12698 (mve_vornq_u<mode>): New expander.
12699 (mve_vornq_f<mode>): Use ior code instead of unspec.
12700 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
12702 2021-02-02 Alexandre Oliva <oliva@adacore.com>
12704 * tree-nested.c (convert_nonlocal_reference_op): Move
12705 current_function_decl restore after re-gimplification.
12706 (convert_local_reference_op): Likewise.
12708 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12710 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
12712 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
12714 (aarch64_rshrn<mode>_insn_be): Likewise.
12715 (aarch64_rshrn<mode>): Likewise.
12716 (aarch64_rshrn2<mode>_insn_le): Likewise.
12717 (aarch64_rshrn2<mode>_insn_be): Likewise.
12718 (aarch64_rshrn2<mode>): Likewise.
12719 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
12720 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
12722 (vrshrn_high_n_s32): Likewise.
12723 (vrshrn_high_n_s64): Likewise.
12724 (vrshrn_high_n_u16): Likewise.
12725 (vrshrn_high_n_u32): Likewise.
12726 (vrshrn_high_n_u64): Likewise.
12727 (vrshrn_n_s16): Likewise.
12728 (vrshrn_n_s32): Likewise.
12729 (vrshrn_n_s64): Likewise.
12730 (vrshrn_n_u16): Likewise.
12731 (vrshrn_n_u32): Likewise.
12732 (vrshrn_n_u64): Likewise.
12734 2021-02-01 Sergei Trofimovich <siarheit@google.com>
12736 PR tree-optimization/98499
12737 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
12738 conservatively and assume all possible side-effects.
12740 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12742 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
12743 vec_unpacku_hi_): Define builtins.
12744 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
12746 (vmovl_high_s16): Likewise.
12747 (vmovl_high_s32): Likewise.
12748 (vmovl_high_u8): Likewise.
12749 (vmovl_high_u16): Likewise.
12750 (vmovl_high_u32): Likewise.
12752 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12754 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
12756 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
12758 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
12760 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
12762 (vabdl_s16): Likewise.
12763 (vabdl_s32): Likewise.
12764 (vabdl_u8): Likewise.
12765 (vabdl_u16): Likewise.
12766 (vabdl_u32): Likewise.
12767 * config/aarch64/iterators.md (ABDL): New int iterator.
12768 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
12770 2021-02-01 Martin Sebor <msebor@redhat.com>
12772 * tree.h (BLOCK_VARS): Add comment.
12773 (BLOCK_SUBBLOCKS): Same.
12774 (BLOCK_SUPERCONTEXT): Same.
12775 (BLOCK_ABSTRACT_ORIGIN): Same.
12776 (inlined_function_outer_scope_p): Same.
12778 2021-02-01 Martin Sebor <msebor@redhat.com>
12780 PR middle-end/97172
12781 * attribs.c (attr_access::free_lang_data): Define new function.
12782 * attribs.h (attr_access::free_lang_data): Declare new function.
12784 2021-02-01 Richard Biener <rguenther@suse.de>
12786 * vec.h (auto_vec::auto_vec): Add memory stat parameters
12788 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
12790 2021-02-01 Tamar Christina <tamar.christina@arm.com>
12792 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
12793 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
12795 2021-02-01 Richard Biener <rguenther@suse.de>
12797 PR rtl-optimization/98863
12798 * config/i386/i386-features.c (convert_scalars_to_vector):
12799 Set DF_RD_PRUNE_DEAD_DEFS.
12801 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
12803 * system.h (SIZE_MAX): Define if not already defined.
12805 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
12807 * config/rs6000/genfusion.pl (gen_2logical): New function to
12808 generate patterns for logical-logical fusion.
12809 * config/rs6000/fusion.md: Regenerated patterns.
12810 * config/rs6000/rs6000-cpus.def: Add
12811 OPTION_MASK_P10_FUSION_2LOGICAL.
12812 * config/rs6000/rs6000.c (rs6000_option_override_internal):
12813 Enable logical-logical fusion for p10.
12814 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
12816 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
12818 * config/rs6000/rs6000.opt: Add periods to new AIX options.
12820 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
12822 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
12823 (mabi=vec-default): New.
12824 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
12825 __EXTABI__ for AIX Vector extended ABI.
12826 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
12828 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
12830 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
12832 2021-01-30 Jakub Jelinek <jakub@redhat.com>
12834 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
12835 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
12837 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
12840 * lra-constraints.c (in_class_p): Don't narrow class only for REG
12843 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
12845 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
12846 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
12847 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
12849 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
12851 PR tree-optimization/98866
12852 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
12853 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
12854 (gori_map::m_maybe_invariant): Rename from all_outgoing.
12855 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
12856 (gori_map::is_export_p): Ditto.
12857 (gori_map::calculate_gori): Ditto.
12858 (gori_compute::set_range_invariant): New.
12859 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
12860 invariant for pointers evaluating to [1, +INF].
12862 2021-01-29 Richard Biener <rguenther@suse.de>
12864 PR rtl-optimization/98863
12865 * config/i386/i386-features.c (remove_partial_avx_dependency):
12866 Do not perform DF analysis.
12867 (pass_data_remove_partial_avx_dependency): Remove
12870 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
12872 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
12873 builtin generator macros.
12874 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
12876 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
12877 instead of inline asm.
12878 (vmull_n_s32): Likewise.
12879 (vmull_n_u16): Likewise.
12880 (vmull_n_u32): Likewise.
12882 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12884 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
12886 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
12888 (aarch64_<sur>abdl2<mode>): ... This.
12889 (<sur>sadv16qi): Adjust use of above.
12890 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
12892 (vabdl_high_s16): Likewise.
12893 (vabdl_high_s32): Likewise.
12894 (vabdl_high_u8): Likewise.
12895 (vabdl_high_u16): Likewise.
12896 (vabdl_high_u32): Likewise.
12898 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12900 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
12902 (uabal2): Likewise.
12903 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
12905 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
12907 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
12909 (vabal_high_s16): Likewise.
12910 (vabal_high_s32): Likewise.
12911 (vabal_high_u8): Likewise.
12912 (vabal_high_u16): Likewise.
12913 (vabal_high_u32): Likewise.
12914 * config/aarch64/iterators.md (ABAL2): New mode iterator.
12915 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
12917 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12919 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
12922 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
12924 (aarch64_<sur>abal<mode>): ... This
12925 (<sur>sadv16qi): Adust use of the above.
12926 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
12928 (vabal_s16): Likewise.
12929 (vabal_s32): Likewise.
12930 (vabal_u8): Likewise.
12931 (vabal_u16): Likewise.
12932 (vabal_u32): Likewise.
12934 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12936 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
12938 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
12940 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
12942 (vaddlv_s16): Likewise.
12943 (vaddlv_u8): Likewise.
12944 (vaddlv_u16): Likewise.
12945 (vaddlvq_s8): Likewise.
12946 (vaddlvq_s16): Likewise.
12947 (vaddlvq_s32): Likewise.
12948 (vaddlvq_u8): Likewise.
12949 (vaddlvq_u16): Likewise.
12950 (vaddlvq_u32): Likewise.
12951 (vaddlv_s32): Likewise.
12952 (vaddlv_u32): Likewise.
12953 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
12954 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
12955 (Vwstype): New mode attribute.
12957 (VWIDE_S): Likewise.
12958 (USADDLV): New int iterator.
12959 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
12961 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
12963 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
12964 builtin generator macros.
12965 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
12967 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
12968 instead of inline asm.
12969 (vmlsl_lane_s32): Likewise.
12970 (vmlsl_lane_u16): Likewise.
12971 (vmlsl_lane_u32): Likewise.
12972 (vmlsl_laneq_s16): Likewise.
12973 (vmlsl_laneq_s32): Likewise.
12974 (vmlsl_laneq_u16): Likewise.
12975 (vmlsl_laneq_u32): Likewise.
12977 2021-01-29 Richard Biener <rguenther@suse.de>
12979 * doc/invoke.texi (--param max-gcse-memory): Document unit
12981 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
12982 * params.opt (--param max-gcse-memory): Adjust default and
12983 document unit of size.
12985 2021-01-29 Richard Biener <rguenther@suse.de>
12987 PR rtl-optimization/98863
12988 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
12989 HOST_WIDE_INT for the memory estimate.
12991 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
12992 Richard Biener <rguenther@suse.de>
12994 PR tree-optimization/97627
12995 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
12996 Do not analyze fake edges.
12998 2021-01-29 Richard Biener <rguenther@suse.de>
13000 PR rtl-optimization/98144
13001 * df.h (df_mir_bb_info): Add con_visited member.
13002 * df-problems.c (df_mir_alloc): Initialize con_visited,
13003 do not fully populate IN and OUT.
13004 (df_mir_reset): Likewise.
13005 (df_mir_confluence_0): Set con_visited.
13006 (df_mir_confluence_n): Properly handle implicitely
13007 fully populated IN and OUT as designated by con_visited
13008 and update con_visited accordingly.
13010 2021-01-29 Jakub Jelinek <jakub@redhat.com>
13013 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
13014 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
13015 && !TARGET_REALLY_IWMMXT to conditions.
13017 2021-01-29 Jakub Jelinek <jakub@redhat.com>
13020 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
13023 2021-01-28 Marek Polacek <polacek@redhat.com>
13026 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
13027 the main variant, maybe reset it in its variants too.
13028 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
13029 (check_aligned_type): Check if TYPE_USER_ALIGN match.
13031 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
13034 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
13035 of constant zero for comparisons.
13037 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
13039 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
13040 support for mapping built-in function names for long double
13041 built-in functions if long double is IEEE 128-bit.
13043 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
13045 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
13046 builtin generator macros.
13047 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
13049 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
13050 instead of inline asm.
13051 (vmlsl_n_s32): Likewise.
13052 (vmlsl_n_u16): Likewise.
13053 (vmlsl_n_u32): Likewise.
13055 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
13057 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
13058 builtin generator macros.
13059 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
13061 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
13062 instead of inline asm.
13063 (vmlal_n_s32): Likewise.
13064 (vmlal_n_u16): Likewise.
13065 (vmlal_n_u32): Likewise.
13067 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13069 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
13071 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
13073 (aarch64_shrn2<mode>_insn_be): Likewise.
13074 (aarch64_shrn2<mode>): Likewise.
13075 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
13077 (vshrn_high_n_s32): Likewise.
13078 (vshrn_high_n_s64): Likewise.
13079 (vshrn_high_n_u16): Likewise.
13080 (vshrn_high_n_u32): Likewise.
13081 (vshrn_high_n_u64): Likewise.
13083 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13085 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
13087 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
13089 (aarch64_shrn<mode>_insn_be): Likewise.
13090 (aarch64_shrn<mode>): Likewise.
13091 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
13093 (vshrn_n_s32): Likewise.
13094 (vshrn_n_s64): Likewise.
13095 (vshrn_n_u16): Likewise.
13096 (vshrn_n_u32): Likewise.
13097 (vshrn_n_u64): Likewise.
13098 * config/aarch64/iterators.md (vn_mode): New mode attribute.
13100 2021-01-28 Richard Biener <rguenther@suse.de>
13102 PR rtl-optimization/80960
13103 * dse.c (check_mem_read_rtx): Call get_addr on the
13106 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
13107 David Edelsohn <dje.gcc@gmail.com>
13110 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13111 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
13113 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
13115 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
13116 wrapper call rs6000_expand_vector_set_var for cleanup. Call
13117 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
13119 (rs6000_expand_vector_set_var): Delete.
13120 (rs6000_expand_vector_set_var_p9): Make static.
13121 (rs6000_expand_vector_set_var_p8): Make static.
13123 2021-01-28 Xing GUO <higuoxing@gmail.com>
13125 * common/config/riscv/riscv-common.c
13126 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
13127 when `p` extension exists.
13129 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
13131 PR rtl-optimization/97684
13132 * ira.c (ira): Call ira_set_pseudo_classes before
13133 update_equiv_regs when it is necessary.
13135 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13138 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
13139 %w0, %w1 and %2 instead of %0, %1 and %2.
13141 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
13143 * config/rs6000/genfusion.pl: New script to generate
13144 define_insn_and_split patterns so combine can arrange fused
13145 instructions next to each other.
13146 * config/rs6000/fusion.md: New file, generated fused instruction
13147 patterns for combine.
13148 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
13149 (non_update_memory_operand): New predicate.
13150 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
13151 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
13153 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
13155 * config/rs6000/rs6000.c (rs6000_option_override_internal):
13156 Automatically set OPTION_MASK_P10_FUSION and
13157 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
13158 (rs600_opt_masks): Allow -mpower10-fusion
13159 in function attributes.
13160 (address_is_non_pfx_d_or_x): New function.
13161 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
13162 * config/rs6000/rs6000.md: Include fusion.md.
13163 * config/rs6000/rs6000.opt: Add -mpower10-fusion
13164 and -mpower10-fusion-ld-cmpi.
13165 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
13167 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13169 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
13170 builtin generator macros.
13171 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
13173 (aarch64_<su>mlal<mode>): This.
13174 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
13175 instead of inline asm.
13176 (vmlal_s16): Likewise.
13177 (vmlal_s32): Likewise.
13178 (vmlal_u8): Likewise.
13179 (vmlal_u16): Likewise.
13180 (vmlal_u32): Likewise.
13182 2021-01-27 Richard Biener <rguenther@suse.de>
13184 PR tree-optimization/98854
13185 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
13186 PHIs from scalars when the number of CTORs matches the
13187 number of children.
13189 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13191 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
13193 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
13195 (aarch64_mls_n<mode>): This.
13196 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
13198 (vmls_n_s32): Likewise.
13199 (vmls_n_u16): Likewise.
13200 (vmls_n_u32): Likewise.
13201 (vmlsq_n_s16): Likewise.
13202 (vmlsq_n_s32): Likewise.
13203 (vmlsq_n_u16): Likewise.
13204 (vmlsq_n_u32): Likewise.
13206 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13208 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
13210 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
13212 (vmls_s16): Likewise.
13213 (vmls_s32): Likewise.
13214 (vmls_u8): Likewise.
13215 (vmls_u16): Likewise.
13216 (vmls_u32): Likewise.
13217 (vmlsq_s8): Likewise.
13218 (vmlsq_s16): Likewise.
13219 (vmlsq_s32): Likewise.
13220 (vmlsq_u8): Likewise.
13221 (vmlsq_u16): Likewise.
13222 (vmlsq_u32): Likewise.
13224 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
13226 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
13228 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
13230 (aarch64_mla_n<mode>): This.
13231 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
13233 (vmla_n_s32): Likewise.
13234 (vmla_n_u16): Likewise.
13235 (vmla_n_u32): Likewise.
13236 (vmlaq_n_s16): Likewise.
13237 (vmlaq_n_s32): Likewise.
13238 (vmlaq_n_u16): Likewise.
13239 (vmlaq_n_u32): Likewise.
13241 2021-01-27 liuhongt <hongtao.liu@intel.com>
13244 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
13245 (*sse2_eq<mode>3): Ditto.
13247 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13249 * tree-pass.h (PROP_trees): Rename to ...
13250 (PROP_gimple): ... this.
13251 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
13252 * passes.c (execute_function_dump, execute_function_todo,
13253 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
13254 * varpool.c (ctor_for_folding): Likewise.
13256 2021-01-27 Jakub Jelinek <jakub@redhat.com>
13258 PR tree-optimization/97260
13259 * varpool.c: Include tree-pass.h.
13260 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
13261 non-TREE_SIDE_EFFECTS automatic variables.
13263 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
13265 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
13267 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
13268 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
13269 (gen_compile_unit_die): Recognise C++23.
13271 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13274 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
13277 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13280 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
13281 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
13282 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
13284 2021-01-26 Richard Biener <rguenther@suse.de>
13286 * gimple-pretty-print.c (dump_binary_rhs): Handle
13287 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
13289 2021-01-26 Richard Biener <rguenther@suse.de>
13291 PR middle-end/98726
13292 * tree.h (vector_cst_int_elt): Remove.
13293 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
13296 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
13298 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
13299 for V64DFmode min/max reductions.
13301 2021-01-26 Jakub Jelinek <jakub@redhat.com>
13303 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
13304 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
13305 two halves, one with x and the other with const0_rtx, ordered
13306 depending on endianity.
13308 2021-01-26 Alexandre Oliva <oliva@adacore.com>
13310 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
13311 temporaries not seen in binding block, and not about to be
13312 added as gimple variables.
13314 2021-01-25 Martin Sebor <msebor@redhat.com>
13317 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
13319 2021-01-25 Martin Liska <mliska@suse.cz>
13321 * value-prof.c (get_nth_most_common_value): Use %s instead
13324 2021-01-25 Jakub Jelinek <jakub@redhat.com>
13327 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
13328 readelf -wi is able to read the emitted .debug_info back.
13329 * configure: Regenerated.
13331 2021-01-25 Martin Liska <mliska@suse.cz>
13333 PR gcov-profile/98739
13334 * common.opt: Add missing sign symbol.
13335 * value-prof.c (get_nth_most_common_value): Restore handling
13336 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
13337 PROFILE_REPRODUCIBILITY_MULTITHREADED.
13339 2021-01-25 Richard Biener <rguenther@suse.de>
13341 PR middle-end/98807
13342 * tree.c (vector_element_bits): Always use precision of
13343 the element type for boolean vectors.
13345 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
13347 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
13348 (ENDFILE_SPEC): Evaluate qnolinkcmds.
13350 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
13352 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
13353 nostartfiles handling since this is already done by
13354 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
13355 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
13356 is already done by LINK_COMMAND_SPEC.
13357 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
13358 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
13361 2021-01-25 Jakub Jelinek <jakub@redhat.com>
13364 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
13365 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
13366 value rather than host size_t.
13367 (fold_const_call): Change type of s2 from size_t to
13368 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
13369 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
13370 instead of s2 as last argument.
13372 2021-01-25 Tamar Christina <tamar.christina@arm.com>
13374 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
13375 VCMLA_OP, VCMUL_OP): New.
13376 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
13377 * config/arm/neon.md (cmul<conj_op><mode>3): New.
13378 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
13379 UNSPEC_VCMUL_CONJ): New.
13380 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
13381 cml<fcmac1><conj_op><mode>4): New.
13383 2021-01-23 Jakub Jelinek <jakub@redhat.com>
13386 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
13388 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
13390 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
13392 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
13394 (vmla_s16): Likewise.
13395 (vmla_s32): Likewise.
13396 (vmla_u8): Likewise.
13397 (vmla_u16): Likewise.
13398 (vmla_u32): Likewise.
13399 (vmlaq_s8): Likewise.
13400 (vmlaq_s16): Likewise.
13401 (vmlaq_s32): Likewise.
13402 (vmlaq_u8): Likewise.
13403 (vmlaq_u16): Likewise.
13404 (vmlaq_u32): Likewise.
13406 2021-01-22 David Malcolm <dmalcolm@redhat.com>
13408 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
13411 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13414 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
13415 filenames to emit, still emit the required 0 index directory and
13416 filename entries that match DW_AT_comp_dir and DW_AT_name of the
13419 2021-01-22 Marek Polacek <polacek@redhat.com>
13422 * doc/invoke.texi: Update C++ ABI Version 15 description.
13424 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13426 PR tree-optimization/98766
13427 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
13428 comparing against type size with param_avoid_fma_max_bits.
13430 2021-01-22 Richard Biener <rguenther@suse.de>
13432 PR middle-end/98793
13433 * tree.c (vector_element_bits): Key single-bit bool vector on
13434 integer mode rather than not vector mode.
13436 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
13439 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13440 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
13442 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
13443 to call different path for P8 and P9.
13444 (rs6000_expand_vector_set_var_p9): New function.
13445 (rs6000_expand_vector_set_var_p8): New function.
13447 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
13451 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13452 Ajdust variable index vec_insert from address dereference to
13453 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
13454 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
13456 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
13458 2021-01-22 Martin Liska <mliska@suse.cz>
13460 PR gcov-profile/98739
13461 * profile.c (compute_value_histograms): Drop time profile for
13462 -fprofile-reproducible=multithreaded.
13464 2021-01-22 Nathan Sidwell <nathan@acm.org>
13466 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
13469 2021-01-22 Richard Biener <rguenther@suse.de>
13471 PR middle-end/98773
13472 * tree-data-ref.c (initalize_matrix_A): Revert previous
13473 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
13475 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13477 PR tree-optimization/90248
13478 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
13479 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
13481 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
13482 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
13484 2021-01-22 Jakub Jelinek <jakub@redhat.com>
13486 PR tree-optimization/98255
13487 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
13488 extend index - low_bound from sizetype's precision rather than index
13490 (get_addr_base_and_unit_offset_1): Likewise.
13491 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
13492 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
13494 2021-01-22 Richard Biener <rguenther@suse.de>
13496 PR tree-optimization/98786
13497 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
13498 adding new uses of abnormals. Verify we deal with a conditional
13501 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
13504 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
13506 2021-01-22 liuhongt <hongtao.liu@intel.com>
13510 * config/i386/sse.md (VI_128_256): New mode iterator.
13511 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
13512 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
13513 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
13514 define_insn_and_split to lower avx512 vector comparison to avx
13515 version when dest is vector.
13516 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
13517 define_insn_and_split for negating the comparison result.
13518 * config/i386/predicates.md (float_vector_all_ones_operand):
13520 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
13521 general NOT operator without UNSPEC_MASKOP.
13523 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
13525 PR rtl-optimization/98777
13526 * lra-int.h (lra_pmode_pseudo): New extern.
13527 * lra.c (lra_pmode_pseudo): New global.
13529 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
13531 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
13533 * fwprop.c (fwprop_propagation::classify_result): Allow
13534 (subreg (mem)) simplifications.
13536 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13538 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
13540 (aarch64_sqdmlal<mode>): ... This...
13541 (aarch64_sqdmlsl<mode>): ... And this.
13542 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
13543 (aarch64_sqdmlal_lane<mode>): ... This...
13544 (aarch64_sqdmlsl_lane<mode>): ... And this.
13545 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
13546 (aarch64_sqdmlsl_laneq<mode>): ... This...
13547 (aarch64_sqdmlal_laneq<mode>): ... And this.
13548 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
13549 (aarch64_sqdmlsl_n<mode>): ... This...
13550 (aarch64_sqdmlal_n<mode>): ... And this.
13551 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
13552 (aarch64_sqdmlal2<mode>_internal): ... This...
13553 (aarch64_sqdmlsl2<mode>_internal): ... And this.
13555 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
13557 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
13559 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
13562 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
13564 2021-01-21 liuhongt <hongtao.liu@intel.com>
13566 PR rtl-optimization/98694
13567 * regcprop.c (copy_value): If SRC had been assigned a mode
13568 narrower than the copy, we can't link DEST into the chain even
13569 they have same hard_regno_nregs(i.e. HImode/SImode in i386
13572 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13574 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
13575 Convert to define_insn_and_split. Split into simple move when moving
13578 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
13580 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
13581 Adjust comment. Simplify code.
13583 2021-01-20 Jakub Jelinek <jakub@redhat.com>
13586 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
13587 with DW_FORM_line_strp form.
13588 (prune_unused_types_update_strings): Don't add into debug_str_hash
13589 indirect strings with DW_FORM_line_strp form.
13590 (adjust_name_comp_dir): New function.
13591 (dwarf2out_finish): Call it on CU DIEs after resetting
13592 debug_line_str_hash.
13594 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
13596 PR rtl-optimization/98722
13597 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
13598 has no 3-op add insn to transform insns containing two pluses.
13600 2021-01-20 Richard Biener <rguenther@suse.de>
13602 * hwint.h (add_hwi): New function.
13603 (mul_hwi): Likewise.
13604 * tree-data-ref.c (initialize_matrix_A): Properly translate
13605 tree constants and avoid HOST_WIDE_INT_MIN.
13606 (lambda_matrix_row_add): Avoid undefined integer overflow
13607 and return true on such overflow.
13608 (lambda_matrix_right_hermite): Handle overflow from
13609 lambda_matrix_row_add gracefully. Simplify previous fix.
13610 (analyze_subscript_affine_affine): Likewise.
13612 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
13614 PR tree-optimization/96674
13615 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
13616 x >= y && y != XXX_MIN --> x > y - 1
13618 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
13620 PR tree-optimization/98535
13621 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
13622 If the high and low permutes are the same, remove the high permutes
13623 from the working set and only continue with the low ones.
13625 2021-01-20 Jakub Jelinek <jakub@redhat.com>
13627 PR tree-optimization/98721
13628 * builtins.c (access_ref::inform_access): Don't assume
13629 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
13630 object whenever allocfn is NULL, rather than only when DECL_P
13631 is true. Use %qE instead of %qD for that. Formatting fixes.
13633 2021-01-20 Richard Biener <rguenther@suse.de>
13635 PR tree-optimization/98758
13636 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
13637 (lambda_matrix_right_hermite): Avoid undefinedness with
13638 signed integer abs and multiplication.
13639 (analyze_subscript_affine_affine): Use lambda_int.
13641 2021-01-20 David Malcolm <dmalcolm@redhat.com>
13644 * dwarf2out.c (output_line_info): Rename static variable
13645 "generation", moving it out of the function to...
13646 (output_line_info_generation): New.
13647 (init_sections_and_labels): Likewise, renaming the variable to...
13648 (init_sections_and_labels_generation): New.
13649 (dwarf2out_c_finalize): Reset the new variables.
13651 2021-01-19 Martin Sebor <msebor@redhat.com>
13653 PR middle-end/98664
13654 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
13655 all functions, even if they're not declared artificial or inline.
13656 * tree.c (tree_inlined_location): Use macro expansion location
13657 only if scope traversal fails to expose one.
13659 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
13661 PR rtl-optimization/92294
13662 * alias.c (compare_base_symbol_refs): Take an extra parameter
13663 and add the distance between two symbols to it. Enshrine in
13664 comments that -1 means "either 0 or 1, but we can't tell
13665 which at compile time".
13666 (memrefs_conflict_p): Update call accordingly.
13667 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
13670 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13672 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
13673 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
13674 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
13675 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
13676 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
13677 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
13678 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
13679 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
13680 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
13681 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
13682 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
13683 sqmovun): Use NONE flags.
13685 2021-01-19 Richard Biener <rguenther@suse.de>
13688 * ipa-modref.c (analyze_stmt): Only record a summary for a
13691 2021-01-19 Richard Biener <rguenther@suse.de>
13693 PR middle-end/98638
13694 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
13696 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
13698 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
13699 built-in define __FIX_LEON3FT_TN0018.
13701 2021-01-19 Richard Biener <rguenther@suse.de>
13704 * tree-inline.c (tree_function_versioning): Set input_location
13705 to UNKNOWN_LOCATION throughout the function.
13707 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
13710 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
13712 2021-01-19 Martin Jambor <mjambor@suse.cz>
13715 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
13716 whether non-call exceptions allow removal of a statement.
13717 (isra_analyze_call): Pass the appropriate function to
13718 ssa_name_only_returned_p.
13720 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
13722 * config/riscv/arch-canonicalize (longext_sort): New function for
13723 sorting 'multi-letter'.
13724 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
13725 'alts'. The 'arch' may not be the first of 'alts'.
13726 (_expand_combination): Add underline for the 'ext' without '*'.
13727 This is because, a single-letter extension can always be treated well
13728 with a '_' prefix, but it cannot be separated out if it is appended
13731 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
13734 * ira.c (ira): Skip abnormal critical edge splitting.
13736 2021-01-18 Jakub Jelinek <jakub@redhat.com>
13738 PR tree-optimization/98727
13739 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
13740 second .MUL_OVERFLOW operand for signed multiplication with overflow
13741 checking if the second operand of multiplication is not constant.
13743 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
13745 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
13746 defaults to version 4.
13748 2021-01-18 David Malcolm <dmalcolm@redhat.com>
13750 * attribs.h (fndecl_dealloc_argno): New decl.
13751 * builtins.c (call_dealloc_argno): Split out second half of
13753 (fndecl_dealloc_argno): New.
13754 * doc/extend.texi (Common Function Attributes): Document the
13755 interaction between the analyzer and the malloc attribute.
13756 * doc/invoke.texi (Static Analyzer Options): Likewise.
13758 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
13760 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
13761 dwarf_version to 4.
13762 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13764 2021-01-17 Martin Jambor <mjambor@suse.cz>
13767 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
13770 2021-01-17 Mark Wielaard <mark@klomp.org>
13772 * common.opt (gdwarf-): Init(5).
13773 * doc/invoke.texi (-gdwarf): Document default to 5.
13775 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
13777 * builtin-types.def
13778 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
13780 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
13781 ...this. Add extra argument.
13782 * gimplify.c (omp_default_clause): Ensure that event handle is
13783 firstprivate in a task region.
13784 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
13785 (gimplify_adjust_omp_clauses): Likewise.
13786 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
13787 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
13788 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
13789 if detach clause specified. Add detach argument when generating
13791 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
13793 (finish_taskreg_scan): Move field for variable containing the event
13794 handle to the front of the struct.
13795 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
13797 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
13798 OMP_CLAUSE_DETACH clause.
13799 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
13800 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
13801 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
13803 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
13805 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
13807 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
13809 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
13810 multilib directory names. Use MULTILIB_REQUIRED instead of
13811 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
13812 -mcustom-fpu-cfg=fph2 multilib.
13814 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
13816 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
13817 (nios2_init_fpu_configs): Provide register values for new
13818 -mcustom-fpu-cfg=fph2 option variant.
13819 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
13822 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
13824 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
13825 custom instruction warnings.
13827 2021-01-16 Jakub Jelinek <jakub@redhat.com>
13829 PR tree-optimization/96669
13830 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
13832 2021-01-16 Jakub Jelinek <jakub@redhat.com>
13834 PR tree-optimization/96271
13835 * passes.def: Pass false argument to first two pass_cd_dce
13836 instances and true to last instance. Add comment that
13837 last instance rewrites no longer addressed locals.
13838 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
13840 (pass_cd_dce::set_pass_param): New method.
13841 (pass_cd_dce::execute): Return TODO_update_address_taken from
13842 last cd_dce instance.
13844 2021-01-15 Carl Love <cel@us.ibm.com>
13846 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
13848 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
13849 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
13850 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
13851 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
13852 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
13853 Add builtin define.
13854 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
13855 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
13856 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
13857 New overloaded definitions.
13858 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
13859 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
13860 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
13861 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
13862 P10V_BUILTIN_MULHU_V4SI]: Add case
13863 statement for builtins.
13864 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
13865 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
13866 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
13867 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
13868 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
13869 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
13870 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
13871 Add define_insn, mode is VIlong.
13872 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
13873 Add builtin descriptions.
13875 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
13877 * final.c (final_start_function_1): Reset force_source_line.
13879 2021-01-15 Jakub Jelinek <jakub@redhat.com>
13881 PR tree-optimization/96669
13882 * match.pd (((1 << A) & 1) != 0 -> A == 0,
13883 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
13884 possibly different power of two constants and to right shift too.
13886 2021-01-15 Jakub Jelinek <jakub@redhat.com>
13888 PR tree-optimization/96681
13889 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
13890 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
13891 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
13892 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
13894 2021-01-15 Alexandre Oliva <oliva@adacore.com>
13896 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
13898 2021-01-15 Tamar Christina <tamar.christina@arm.com>
13900 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
13901 cmul<conj_op><mode>3): New.
13902 * config/aarch64/iterators.md (UNSPEC_FCMUL,
13903 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
13904 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
13905 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
13906 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
13907 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
13908 (rot_op): Renamed to conj_op.
13909 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
13910 cmul<conj_op><mode>3): New.
13911 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
13912 cmul<conj_op><mode>3): New.
13914 2021-01-15 David Malcolm <dmalcolm@redhat.com>
13918 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
13919 Escape the tempfile name when constructing the expected output.
13921 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13923 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
13925 (aarch64_<su>mlsl_hi<mode>): ... This.
13926 (aarch64_<su>mlsl_hi<mode>): Define.
13927 (*aarch64_<su>mlsl<mode): Rename to...
13928 (aarch64_<su>mlsl<mode): ... This.
13929 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
13930 smlsl_hi, umlsl_hi): Define builtins.
13931 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
13932 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
13933 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
13934 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
13936 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
13938 * config/i386/i386-c.c (ix86_target_macros):
13939 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
13941 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
13944 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
13945 * Makefile.in (RTL_SSA_H): New variable.
13946 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
13947 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
13948 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
13950 * config/aarch64/aarch64-cc-fusion.cc: New file.
13952 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
13954 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
13955 calling cancel_changes for changes that no longer exist.
13957 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
13959 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
13960 (function_info::reg_defs): ...this.
13961 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
13962 (function_info::reg_defs): ...this.
13964 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
13967 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
13969 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
13972 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
13975 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
13977 2021-01-15 Richard Biener <rguenther@suse.de>
13979 PR tree-optimization/96376
13980 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
13981 for VMAT_INVARIANT.
13983 2021-01-15 Martin Liska <mliska@suse.cz>
13985 * doc/install.texi: Document that some tests need pytest module.
13986 * doc/sourcebuild.texi: Likewise.
13988 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
13991 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
13993 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
13995 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
13996 (mve_vshrq_n_u<mode>_imm): Likewise.
13997 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
13998 * config/arm/vec-common.md: ... here.
14000 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
14002 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
14004 * config/arm/neon.md (vashl<mode>3): Delete.
14005 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
14006 (vasl<mode>3): New expander.
14008 2021-01-15 Richard Biener <rguenther@suse.de>
14010 PR tree-optimization/98685
14011 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
14012 of vector extern defs.
14014 2021-01-14 David Malcolm <dmalcolm@redhat.com>
14017 * diagnostic.c (diagnostic_kind_text): Break out this array
14019 (diagnostic_build_prefix): ...here.
14020 (fancy_abort): Detect when diagnostic_initialize has not yet been
14021 called and fall back to a minimal implementation of printing the
14022 ICE, rather than segfaulting in internal_error.
14024 2021-01-14 David Malcolm <dmalcolm@redhat.com>
14026 * diagnostic.c (diagnostic_initialize): Eliminate
14027 parseable_fixits_p in favor of initializing extra_output_kind from
14028 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
14029 (convert_column_unit): New function, split out from...
14030 (diagnostic_converted_column): ...this.
14031 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
14032 Use them to call convert_column_unit on the column values.
14033 (diagnostic_report_diagnostic): Eliminate conditional on
14034 parseable_fixits_p in favor of a switch statement on
14035 extra_output_kind, passing the appropriate values to the new
14036 params of print_parseable_fixits.
14037 (selftest::test_print_parseable_fixits_none): Update for new
14038 params of print_parseable_fixits.
14039 (selftest::test_print_parseable_fixits_insert): Likewise.
14040 (selftest::test_print_parseable_fixits_remove): Likewise.
14041 (selftest::test_print_parseable_fixits_replace): Likewise.
14042 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
14044 (selftest::diagnostic_c_tests): Call it.
14045 * diagnostic.h (enum diagnostics_extra_output_kind): New.
14046 (diagnostic_context::parseable_fixits_p): Delete field in favor
14048 (diagnostic_context::extra_output_kind): ...this new field.
14049 * doc/invoke.texi (Environment Variables): Add
14050 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
14051 * opts.c (common_handle_option): Update handling of
14052 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
14055 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14057 * tree-vect-slp-patterns.c (class complex_operations_pattern,
14058 complex_operations_pattern::matches,
14059 complex_operations_pattern::recognize,
14060 complex_operations_pattern::build): New.
14061 (slp_patterns): Use it.
14063 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14065 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
14066 * optabs.def (cmls_optab, cmls_conj_optab): New.
14067 * doc/md.texi: Document them.
14068 * tree-vect-slp-patterns.c (class complex_fms_pattern,
14069 complex_fms_pattern::matches, complex_fms_pattern::recognize,
14070 complex_fms_pattern::build): New.
14072 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14074 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
14075 * optabs.def (cmla_optab, cmla_conj_optab): New.
14076 * doc/md.texi: Document them.
14077 * tree-vect-slp-patterns.c (vect_match_call_p,
14078 class complex_fma_pattern, vect_slp_reset_pattern,
14079 complex_fma_pattern::matches, complex_fma_pattern::recognize,
14080 complex_fma_pattern::build): New.
14082 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14084 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
14085 * optabs.def (cmul_optab, cmul_conj_optab): New.
14086 * doc/md.texi: Document them.
14087 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
14088 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
14089 vect_build_combine_node, class complex_mul_pattern,
14090 complex_mul_pattern::matches, complex_mul_pattern::recognize,
14091 complex_mul_pattern::build): New.
14093 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14095 * tree-vect-slp.c (optimize_load_redistribution_1): New.
14096 (optimize_load_redistribution, vect_is_slp_load_node): New.
14097 (vect_match_slp_patterns): Use it.
14099 2021-01-14 Tamar Christina <tamar.christina@arm.com>
14101 * tree-vect-slp-patterns.c (complex_add_pattern::build):
14104 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
14106 * config/gcn/mkoffload.c (main): Create an offload image only in
14107 64-bit configurations.
14109 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
14112 * config/i386/i386-options.c (ix86_option_override_internal):
14113 Issue an error for -fcf-protection with CF_BRANCH when compiling
14114 for 32-bit non-TARGET_CMOV targets.
14116 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
14119 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
14120 Remove declaration and initialization of shadow variable "ret".
14121 (ix86_option_override_internal): Remove delcaration of
14122 shadow variable "i". Redeclare shadowed variable to unsigned.
14123 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
14124 * config/i386/i386-builtins.c (get_builtin_code_for_version):
14125 Update for redeclaration.
14126 * config/i386/i386.h (pta_size): Ditto.
14128 2021-01-14 Richard Biener <rguenther@suse.de>
14130 PR tree-optimization/98674
14131 * tree-data-ref.c (base_supports_access_fn_components_p): New.
14132 (initialize_data_dependence_relation): For two bases without
14133 possible access fns resort to type size equality when determining
14134 shape compatibility.
14136 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
14139 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
14140 <=, >= operators in vcle and vcge intrinsics respectively.
14141 * config/arm/arm_neon_builtins.def: Remove entry for
14144 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
14147 * config/i386/i386-options.c (ix86_function_specific_save):
14148 Remove redundant assignment to opts->x_ix86_branch_cost.
14149 * config/i386/i386.c (ix86_prefetch_sse):
14150 Rename from x86_prefetch_sse. Update all uses.
14151 * config/i386/i386.h: Update for rename.
14152 * config/i386/i386-options.h: Ditto.
14154 2021-01-14 Jakub Jelinek <jakub@redhat.com>
14157 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
14158 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
14159 Use Bm instead of m for non-avx. Add isa attribute.
14161 2021-01-14 Jakub Jelinek <jakub@redhat.com>
14163 PR tree-optimization/96688
14164 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
14165 ~X can be simplified.
14167 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
14169 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
14170 IFN_LOAD_LANES results.
14172 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14174 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
14176 (aarch64_xtn<mode>): Likewise.
14177 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
14180 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
14182 (vmovl_s16): Likewise.
14183 (vmovl_s32): Likewise.
14184 (vmovl_u8): Likewise.
14185 (vmovl_u16): Likewise.
14186 (vmovl_u32): Likewise.
14187 (vmovn_s16): Likewise.
14188 (vmovn_s32): Likewise.
14189 (vmovn_s64): Likewise.
14190 (vmovn_u16): Likewise.
14191 (vmovn_u32): Likewise.
14192 (vmovn_u64): Likewise.
14194 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14196 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
14198 (aarch64_<su>qxtn2<mode>_be): Likewise.
14199 (aarch64_<su>qxtn2<mode>): Likewise.
14200 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
14202 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
14203 (su): Handle ss_truncate and us_truncate.
14204 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
14206 (vqmovn_high_s32): Likewise.
14207 (vqmovn_high_s64): Likewise.
14208 (vqmovn_high_u16): Likewise.
14209 (vqmovn_high_u32): Likewise.
14210 (vqmovn_high_u64): Likewise.
14212 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14214 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
14216 (aarch64_xtn2<mode>_be): Likewise.
14217 (aarch64_xtn2<mode>): Likewise.
14218 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
14220 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
14222 (vmovn_high_s32): Likewise.
14223 (vmovn_high_s64): Likewise.
14224 (vmovn_high_u16): Likewise.
14225 (vmovn_high_u32): Likewise.
14226 (vmovn_high_u64): Likewise.
14228 2021-01-13 Stafford Horne <shorne@gmail.com>
14230 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
14232 2021-01-13 Stafford Horne <shorne@gmail.com>
14234 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
14236 2021-01-13 Stafford Horne <shorne@gmail.com>
14238 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
14239 define for __or1k_hard_float__.
14241 2021-01-13 Stafford Horne <shorne@gmail.com>
14243 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
14244 (PROFILE_HOOK): Define to call _mcount.
14245 (FUNCTION_PROFILER): Change from abort to no-op.
14247 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14249 PR tree-optimization/96691
14250 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
14251 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
14252 (~D ^ C) or (D ^ C) can be simplified.
14254 2021-01-13 Richard Biener <rguenther@suse.de>
14256 PR tree-optimization/92645
14257 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
14258 until after vector lowering.
14260 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14262 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
14264 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
14265 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
14267 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14269 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
14271 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
14272 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
14274 2021-01-13 Richard Biener <rguenther@suse.de>
14276 PR tree-optimization/92645
14277 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
14278 BIT_FIELD_REF argument.
14279 (vect_build_slp_tree_2): Record the desired vector type
14280 on the external vector def.
14281 (vectorizable_slp_permutation): Handle required punning
14282 of existing vector defs.
14284 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14286 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
14288 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
14290 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
14292 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
14294 * config.gcc [$target == *-*-gnu*]: Enable
14295 'default_gnu_indirect_function'.
14297 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14300 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
14301 registers before calling targetm.vectorize.vec_perm_const, only after
14303 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
14304 two argument permutation when one operand is zero vector and only
14305 after that force operands into registers.
14306 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
14307 define_insn_and_split pattern.
14308 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
14309 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
14310 (*avx2_zero_extendv8hiv8si2_1): Likewise.
14311 (*avx512f_zero_extendv8siv8di2_1): Likewise.
14312 (*avx2_zero_extendv4siv4di2_1): Likewise.
14313 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
14315 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
14316 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
14317 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
14318 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
14319 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
14320 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
14322 2021-01-13 Martin Liska <mliska@suse.cz>
14324 PR tree-optimization/98455
14325 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
14326 Record also virtual PHIs.
14327 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
14330 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
14332 * doc/invoke.texi (C++ Modules): Fix typos.
14334 2021-01-13 Richard Biener <rguenther@suse.de>
14336 PR tree-optimization/98640
14337 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
14338 handle plus or minus from a truncated operand to be
14341 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14344 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
14345 define_insn_and_split patterns.
14346 (splitter after *btr<mode>_2): New splitter.
14348 2021-01-13 Martin Liska <mliska@suse.cz>
14351 * cgraphunit.c (analyze_functions): Remove dead code.
14353 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
14355 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
14356 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
14357 (a64fx_regmove_cost, a64fx_vector_cost): New.
14358 (a64fx_tunings): Use the new added cost tables.
14360 2021-01-13 Jakub Jelinek <jakub@redhat.com>
14363 * config/i386/predicates.md (pmovzx_parallel): New predicate.
14364 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
14365 define_insn_and_split pattern.
14366 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
14367 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
14369 2021-01-13 Julian Brown <julian@codesourcery.com>
14371 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
14372 to fix v0 register.
14374 2021-01-13 Julian Brown <julian@codesourcery.com>
14376 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
14379 2021-01-13 Julian Brown <julian@codesourcery.com>
14381 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
14382 for reciprocal-approximation instructions.
14383 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
14384 refinement and division result.
14385 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
14387 2021-01-13 Julian Brown <julian@codesourcery.com>
14389 * config/gcn/gcn-valu.md (subdf): Rename to...
14392 2021-01-12 Martin Liska <mliska@suse.cz>
14394 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
14396 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
14398 * function-abi.h: Fix typo.
14400 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
14404 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
14405 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
14406 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
14407 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
14408 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
14409 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
14410 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
14411 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
14412 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
14413 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
14414 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
14415 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
14416 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
14417 (ARM_HAVE_V2DI_LDST): Likewise.
14418 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
14419 (*movmisalign<mode>_mve_load): New pattern.
14420 * config/arm/neon.md (movmisalign<mode>): Move to ...
14421 * config/arm/vec-common.md: ... here.
14423 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
14426 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
14427 of pattern 'plus (plus (hard reg, const), pseudo)'.
14429 2021-01-12 Richard Biener <rguenther@suse.de>
14431 PR tree-optimization/98550
14432 * tree-vect-slp.c (vect_record_max_nunits): Check whether
14433 the group size is a multiple of the vector element count.
14434 (vect_build_slp_tree_1): When we need to fail because
14435 the vector type choosen causes unrolling do so lazily
14436 without affecting matches only at the end to guide group splitting.
14438 2021-01-12 Martin Liska <mliska@suse.cz>
14441 * optc-save-gen.awk: Compare also n_target_save vars with
14444 2021-01-12 Martin Liska <mliska@suse.cz>
14446 * gcov.c (source_info::debug): New.
14447 (print_usage): Add --debug (-D) option.
14448 (process_args): Likewise.
14449 (generate_results): Call src->debug after
14450 accumulate_line_counts.
14451 (read_graph_file): Properly assign id for EXIT_BLOCK.
14452 * profile.c (branch_prob): Dump function body before it is
14455 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14457 PR tree-optimization/98629
14458 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
14459 unless returning non-zero.
14461 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14463 PR tree-optimization/95731
14464 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
14465 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
14466 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
14467 only after optimize_range_tests_var_bound.
14469 2021-01-12 Jakub Jelinek <jakub@redhat.com>
14471 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
14472 * configure: Regenerated.
14474 2021-01-12 liuhongt <hongtao.liu@intel.com>
14477 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
14479 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
14482 2021-01-12 Alexandre Oliva <oliva@adacore.com>
14484 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
14486 (auto_end_imm_use_stmt_traverse): New struct.
14487 (FOR_EACH_IMM_USE_STMT): Use it.
14488 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
14490 * gimple-ssa-strength-reduction.c: ... here, ...
14491 * graphite-scop-detection.c: ... here, ...
14492 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
14493 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
14494 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
14495 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
14496 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
14497 * tree-vect-slp.c: ... and here, ...
14498 * doc/tree-ssa.texi: ... and the example here.
14500 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14502 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
14503 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
14504 (*sdiv_pow2<mode>3): New pattern.
14505 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
14506 Wrap the ASRD in an UNSPEC_PRED_X.
14507 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
14508 predicate with a constant PTRUE, if it isn't already.
14509 (*cond_<sve_int_op><mode>_z): Replace with...
14510 (*cond_<sve_int_op><mode>_any): ...this new pattern.
14512 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14514 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
14515 SVE_FULL_I to SVE_I.
14516 (*cond_bic<mode>_any): Likewise.
14518 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14520 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
14521 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
14524 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14526 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
14527 SVE_FULL_I to SVE_I.
14528 (*aarch64_cond_<su>abd<mode>_2): Likewise.
14529 (*aarch64_cond_<su>abd<mode>_any): Likewise.
14530 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
14531 for the max and min but not for the minus.
14532 (*aarch64_cond_<su>abd<mode>_3): New pattern.
14534 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14536 * config/aarch64/iterators.md (SVE_24I): New iterator.
14537 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
14538 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
14540 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14542 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
14543 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
14545 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
14546 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
14547 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
14548 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
14550 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14552 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
14553 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
14554 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
14557 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
14559 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
14560 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
14561 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
14563 2021-01-11 Martin Liska <mliska@suse.cz>
14566 * symtab-clones.h (clone_info::release): Release
14567 symtab::m_clones with ggc_delete as it's a GGC memory.
14569 2021-01-11 Matthias Klose <doko@ubuntu.com>
14571 * Makefile.in (LINK_PROGRESS): Show the link target.
14573 2021-01-11 Richard Biener <rguenther@suse.de>
14575 PR tree-optimization/91403
14576 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
14577 single-element interleaving group size at 4096 elements.
14579 2021-01-11 Richard Biener <rguenther@suse.de>
14581 PR tree-optimization/98526
14582 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
14583 of the actual reduction op for the regular case.
14584 (vectorizable_reduction): Cost the stmts
14585 vect_transform_reduction produces here.
14587 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
14589 * tree-ssa-forwprop.c (simplify_vector_constructor): For
14590 big-endian, use UNPACK[_FLOAT]_HI.
14592 2021-01-11 Tamar Christina <tamar.christina@arm.com>
14594 * tree-vect-slp-patterns.c (class complex_pattern,
14595 class complex_add_pattern): Add parameters to matches.
14596 (complex_add_pattern::build): Free memory.
14597 (complex_add_pattern::matches): Move validation end of match.
14598 (complex_add_pattern::recognize): Likewise.
14600 2021-01-11 Tamar Christina <tamar.christina@arm.com>
14602 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
14604 2021-01-11 Tamar Christina <tamar.christina@arm.com>
14606 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
14608 2021-01-11 Jakub Jelinek <jakub@redhat.com>
14610 PR tree-optimization/95867
14611 * tree-ssa-math-opts.h: New header.
14612 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
14613 (powi_as_mults): No longer static. Use build_one_cst instead of
14614 build_real. Formatting fix.
14615 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
14616 (attempt_builtin_powi): Handle multiplication reassociation without
14617 powi_fndecl using powi_as_mults.
14618 (reassociate_bb): For integral types don't require
14619 -funsafe-math-optimizations to call attempt_builtin_powi.
14621 2021-01-11 Jakub Jelinek <jakub@redhat.com>
14623 PR tree-optimization/95852
14624 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
14625 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
14626 allow in the bb any of the stmts in that vector, div_stmt and
14627 up to 3 cast stmts.
14628 (arith_cast_equal_p): New function.
14629 (arith_overflow_check_p): Add cast_stmt argument, handle signed
14630 multiply overflow checks.
14631 (match_arith_overflow): Adjust caller. Handle signed multiply
14634 2021-01-11 Jakub Jelinek <jakub@redhat.com>
14636 PR tree-optimization/95852
14637 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
14638 (uaddsub_overflow_check_p): Renamed to ...
14639 (arith_overflow_check_p): ... this. Handle also multiplication
14640 with overflow check.
14641 (match_uaddsub_overflow): Renamed to ...
14642 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
14643 also multiplication with overflow check. Adjust function comment.
14644 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
14645 match_arith_overflow also for MULT_EXPR.
14647 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14649 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
14650 __builtin_convertvector.
14651 (vmovl_s16): Likewise.
14652 (vmovl_s32): Likewise.
14653 (vmovl_u8): Likewise.
14654 (vmovl_u16): Likewise.
14655 (vmovl_u32): Likewise.
14656 (vmovn_s16): Likewise.
14657 (vmovn_s32): Likewise.
14658 (vmovn_s64): Likewise.
14659 (vmovn_u16): Likewise.
14660 (vmovn_u32): Likewise.
14661 (vmovn_u64): Likewise.
14663 2021-01-11 Martin Liska <mliska@suse.cz>
14665 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
14666 (if_chain::is_beneficial): Delete clusters
14667 (find_conditions): Make second argument of conditions_in_bbs a
14668 pointer so that we control over it's lifetime.
14669 (pass_if_to_switch::execute): Delete them.
14671 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
14673 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
14676 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
14678 * config/vax/vax.md (cc): Remove mode attribute.
14679 (subst_<cc>, subst_f<cc>): Rename to...
14680 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
14681 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
14682 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
14683 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
14685 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
14687 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
14688 `const_double_zero'.
14690 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
14692 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
14693 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
14696 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
14698 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
14700 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
14701 with `const_double_zero'.
14702 * doc/rtl.texi (Constant Expression Types): Document it.
14704 2021-01-09 Jakub Jelinek <jakub@redhat.com>
14707 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
14708 POINTER_DIFF_EXPR to be any integral type.
14710 2021-01-09 Jakub Jelinek <jakub@redhat.com>
14712 PR rtl-optimization/98603
14713 * function.c (instantiate_virtual_regs_in_insn): For asm goto
14714 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
14715 if any, set ASM_OPERANDS mode to VOIDmode and change
14716 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
14718 2021-01-09 Alexandre Oliva <oliva@gnu.org>
14721 * final.c (notice_source_line): Narrow down the condition to
14722 skip a line-0 marker.
14724 2021-01-08 Sergei Trofimovich <siarheit@google.com>
14726 * ipa-modref.c (merge_call_side_effects): Fix
14727 linebreak split by reordering two print calls.
14729 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
14731 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
14732 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
14733 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
14734 consistency, fix constraint.
14736 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
14738 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
14739 callables instead of mask values.
14740 (struct target_flag_set_p): New predicate.
14741 (s390_cpu_cpp_builtins_internal): Define or undefine
14742 __LONG_DOUBLE_VX__ macro.
14744 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
14747 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
14748 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
14751 2021-01-08 Richard Biener <rguenther@suse.de>
14753 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
14755 2021-01-08 Richard Biener <rguenther@suse.de>
14757 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
14758 (vect_build_slp_tree): On cache hit release the matched
14759 scalar stmts vector.
14760 * tree-vect-stmts.c (vectorizable_store): Properly free
14761 vec_oprnds before possibly gathering them again.
14763 2021-01-08 Richard Biener <rguenther@suse.de>
14765 PR tree-optimization/98544
14766 * tree-vect-slp.c (vect_optimize_slp): Always materialize
14767 permutes at a permute node.
14769 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
14772 * config/i386/i386.c (x86_function_profiler): Use R10 to call
14773 mcount in large model. Sorry for large model with PIC.
14775 2021-01-08 Jakub Jelinek <jakub@redhat.com>
14778 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
14779 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
14780 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
14781 TargetSave and initialize for variables with enum types.
14782 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
14783 mstack-protector-guard-symbol=): Add Save.
14784 * config/i386/i386-options.c (ix86_function_specific_save,
14785 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
14786 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
14787 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
14788 x_ix86_veclibabi_type.
14790 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
14792 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
14793 SVE_FULL_I to SVE_I.
14794 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
14796 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
14798 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
14799 SVE_FULL_I to SVE_I.
14800 (*cond_uxt<mode>_any): Likewise.
14802 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14804 * config/aarch64/iterators.md (Vwhalf): New iterator.
14805 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
14807 (aarch64_<sur>adalp<mode>): ... This. Make more
14809 (<sur>sadv16qi): Adjust callsite of the above.
14810 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
14812 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
14814 (vpadal_s16): Likewise.
14815 (vpadal_u8): Likewise.
14816 (vpadal_u16): Likewise.
14817 (vpadalq_s8): Likewise.
14818 (vpadalq_s16): Likewise.
14819 (vpadalq_s32): Likewise.
14820 (vpadalq_u8): Likewise.
14821 (vpadalq_u16): Likewise.
14822 (vpadalq_u32): Likewise.
14824 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14826 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
14828 (aarch64_<su>abd<mode>): ... This.
14829 (<sur>sadv16qi): Adjust callsite of the above.
14830 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
14832 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
14834 (vabd_s16): Likewise.
14835 (vabd_s32): Likewise.
14836 (vabd_u8): Likewise.
14837 (vabd_u16): Likewise.
14838 (vabd_u32): Likewise.
14839 (vabdq_s8): Likewise.
14840 (vabdq_s16): Likewise.
14841 (vabdq_s32): Likewise.
14842 (vabdq_u8): Likewise.
14843 (vabdq_u16): Likewise.
14844 (vabdq_u32): Likewise.
14846 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14848 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
14850 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
14851 (vaba_s16): Likewise.
14852 (vaba_s32): Likewise.
14853 (vaba_u8): Likewise.
14854 (vaba_u16): Likewise.
14855 (vaba_u32): Likewise.
14856 (vabaq_s8): Likewise.
14857 (vabaq_s16): Likewise.
14858 (vabaq_s32): Likewise.
14859 (vabaq_u8): Likewise.
14860 (vabaq_u16): Likewise.
14861 (vabaq_u32): Likewise.
14863 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14865 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
14866 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
14867 Change RTL pattern to match.
14869 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
14871 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
14872 * config/riscv/riscv-c.c (riscv-subset.h): New.
14873 (INCLUDE_STRING): Define.
14874 (riscv_cpu_cpp_builtins): Add new style architecture extension
14876 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
14877 (riscv_subset_list::end): New.
14878 (riscv_current_subset_list): New.
14880 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
14882 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
14883 Move to riscv-subset.h.
14884 (struct riscv_subset_t): Ditto.
14885 (class riscv_subset_list): Ditto.
14886 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
14887 from riscv-common.c.
14888 (struct riscv_subset_t): Ditto.
14889 (class riscv_subset_list): Ditto.
14890 * config/riscv/t-riscv ($(common_out_file)): Add file
14893 2021-01-07 Jakub Jelinek <jakub@redhat.com>
14896 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
14897 New define_insn patterns.
14899 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
14901 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
14902 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
14903 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
14905 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
14907 PR tree-optimization/98560
14908 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
14909 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
14911 (vec_cond_direct): Likewise argument 2.
14912 (vec_condu_direct, vec_condeq_direct): Delete.
14913 (expand_vect_cond_optab_fn): Rename to...
14914 (expand_vec_cond_optab_fn): ...this, replacing old macro.
14915 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
14916 (expand_vect_cond_mask_optab_fn): Rename to...
14917 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
14918 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
14920 (direct_vec_cond_optab_supported_p): Likewise.
14921 (direct_vec_condu_optab_supported_p): Delete.
14922 (direct_vec_condeq_optab_supported_p): Delete.
14923 * gimple-isel.cc: Include internal-fn.h.
14924 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
14927 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
14929 PR tree-optimization/98560
14930 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
14931 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
14933 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
14935 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
14936 rotate_insn and optab code attributes.
14937 Update all uses to merged code attribute.
14938 * config/i386/sse.md: Update all uses to merged code attribute.
14939 * config/i386/mmx.md: Update all uses to merged code attribute.
14941 2021-01-07 Jakub Jelinek <jakub@redhat.com>
14943 PR tree-optimization/98568
14944 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
14945 (bswap_replace): Use it.
14947 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
14949 PR rtl-optimization/97978
14950 * lra-int.h (lra_hard_reg_split_p): New external.
14951 * lra.c (lra_hard_reg_split_p): New global.
14952 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
14953 * lra-assigns.c (lra_assign): Don't check allocation correctness
14954 after hard reg splitting.
14956 2021-01-06 Martin Sebor <msebor@redhat.com>
14959 * builtins.c (new_delete_mismatch_p): New overload.
14960 (new_delete_mismatch_p (tree, tree)): Call it.
14962 2021-01-06 Alexandre Oliva <oliva@adacore.com>
14964 * Makefile.in (T_GLIMITS_H): New.
14965 (stmp-int-hdrs): Depend on it, use it.
14966 * config/t-vxworks (T_GLIMITS_H): Override it.
14967 (vxw-glimits.h): New.
14969 2021-01-06 Richard Biener <rguenther@suse.de>
14971 PR tree-optimization/98513
14972 * value-range.cc (intersect_ranges): Compare the upper bounds
14973 for the expected relation.
14975 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
14978 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
14980 * doc/standards.texi (HSAIL): Remove section.
14982 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
14984 * configure: Re-generate.
14986 2021-01-05 Jakub Jelinek <jakub@redhat.com>
14988 * doc/invoke.texi (-std=c++20): Adjust for the publication of
14989 ISO 14882:2020 standard.
14990 * doc/standards.texi: Likewise.
14992 2021-01-05 Jakub Jelinek <jakub@redhat.com>
14994 PR tree-optimization/94802
14995 * expr.h (maybe_optimize_sub_cmp_0): Declare.
14996 * expr.c: Include tree-pretty-print.h and flags.h.
14997 (maybe_optimize_sub_cmp_0): New function.
14998 (do_store_flag): Use it.
14999 * cfgexpand.c (expand_gimple_cond): Likewise.
15001 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15003 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
15004 * rtlanal.c (simple_regno_set): Tweak description to clarify the
15007 2021-01-05 Richard Biener <rguenther@suse.de>
15009 PR tree-optimization/98516
15010 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
15011 lanes when materializing on a VEC_PERM node.
15012 (vectorizable_slp_permutation): Dump the permute properly.
15014 2021-01-05 Richard Biener <rguenther@suse.de>
15016 * tree-vect-slp.c (vect_slp_region): Move debug counter
15017 to cover individual subgraphs.
15019 2021-01-05 Richard Biener <rguenther@suse.de>
15021 PR tree-optimization/98428
15022 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
15023 vector lane extracts for loop vectorization.
15025 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15027 PR tree-optimization/98514
15028 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
15030 (operand_rank): Change type from hash_map<tree, long> to
15031 hash_map<tree, int64_t>.
15032 (phi_rank): Change return type from long to int64_t.
15033 (loop_carried_phi): Change block_rank variable type from long to
15035 (propagate_rank): Change return type, rank parameter type and
15036 op_rank variable type from long to int64_t.
15037 (find_operand_rank): Change return type from long to int64_t
15038 and change slot variable type from long * to int64_t *.
15039 (insert_operand_rank): Change rank parameter type from long to
15041 (get_rank): Change return type and rank variable type from long to
15042 int64_t. Use PRId64 instead of ld to print the rank.
15043 (init_reassoc): Change rank variable type from long to int64_t
15044 and adjust correspondingly bb_rank and operand_rank initialization.
15046 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15048 PR tree-optimization/96928
15049 * tree-ssa-phiopt.c (xor_replacement): New function.
15050 (tree_ssa_phiopt_worker): Call it.
15052 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15054 PR tree-optimization/96930
15055 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
15056 from narrower value which has the same type as 1 << B, perform
15057 the right shift on the narrower value followed by extension.
15059 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15061 PR tree-optimization/96239
15062 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
15064 (get_status_for_store_merging): Don't return BB_INVALID for blocks
15065 with potential bswap optimizable CONSTRUCTORs.
15066 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
15069 2021-01-05 Richard Biener <rguenther@suse.de>
15071 PR tree-optimization/98381
15072 * tree.c (vector_element_bits): Properly compute bool vector
15074 * tree-vect-loop.c (vectorizable_live_operation): Properly
15075 compute the last lane bit offset.
15077 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
15080 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
15081 Clear the top 64 bytes of the input XMM register.
15082 (sse_cvttps2pi): Ditto.
15084 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
15087 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
15089 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
15092 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
15095 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
15097 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
15098 (umaddsidi4_split): Likewise.
15100 2021-01-05 liuhongt <hongtao.liu@intel.com>
15103 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
15104 define_insn_and_split for zero_extend of subreg HI of pmovskb
15106 (*sse2_pmovskb_zexthisi): Add new combine splitters for
15107 zero_extend of not of subreg HI of pmovskb result.
15109 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15112 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
15114 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
15115 convert_memory_address to convert symbolic immediates to ptr_mode
15116 before forcing them to memory.
15118 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15120 PR rtl-optimization/97144
15121 * recog.c (constrain_operands): Initialize matching_operand
15122 for each alternative, rather than only doing it once.
15124 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15126 PR rtl-optimization/98403
15127 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
15128 why we don't remove call clobbers.
15129 (function_info::apply_changes_to_insn): Don't attempt to add
15130 call clobbers here.
15132 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
15134 PR tree-optimization/98371
15135 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
15136 (vect_analyze_loop): If an epilogue loop appears to be cheaper
15137 than the main loop, re-analyze it as a main loop before adopting
15140 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
15143 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
15144 * aclocal.m4, configure: Regenerate.
15145 * Makefile.in (NETLIBS): Define.
15146 (BACKEND): Remove $(CODYLIB).
15148 2021-01-05 Jakub Jelinek <jakub@redhat.com>
15150 PR rtl-optimization/98334
15151 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
15152 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
15154 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
15156 * tree-inline.c (expand_call_inline): Restore input_location.
15157 Return result from recursive call.
15159 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15161 PR tree-optimization/95401
15162 * config/aarch64/aarch64-sve-builtins.cc
15163 (gimple_folder::load_store_cookie): Use bits rather than bytes
15164 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
15165 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
15166 * tree-vect-stmts.c (vectorizable_store): Likewise.
15167 (vectorizable_load): Likewise.
15169 2021-01-04 Richard Biener <rguenther@suse.de>
15171 PR tree-optimization/98308
15172 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
15175 2021-01-04 Jakub Jelinek <jakub@redhat.com>
15177 PR tree-optimization/95771
15178 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
15179 with precision smaller than int's precision and types with precision
15180 twice as large as long long. Formatting fixes.
15182 2021-01-04 Richard Biener <rguenther@suse.de>
15184 PR tree-optimization/98464
15185 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
15186 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
15187 (process_bb): Adjust.
15189 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
15192 * doc/invoke.texi (-fsanitize=address): Fix wording describing
15193 clash with -fsanitize=hwaddress.
15195 2021-01-04 Richard Biener <rguenther@suse.de>
15197 PR tree-optimization/98282
15198 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
15199 invariants as VN_NARY.
15201 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15204 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
15205 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
15206 to handle zero operands.
15208 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
15210 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
15211 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
15212 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
15215 2021-01-04 Richard Biener <rguenther@suse.de>
15217 PR tree-optimization/98393
15218 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
15219 when hitting the limit.
15221 2021-01-04 Richard Biener <rguenther@suse.de>
15223 PR tree-optimization/98291
15224 * tree-vect-loop.c (vectorizable_reduction): Bypass
15225 associativity check for SLP reductions with VF 1.
15227 2021-01-04 Jakub Jelinek <jakub@redhat.com>
15229 PR tree-optimization/96782
15230 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
15232 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
15234 * collect-utils.c (collect_execute): Check dumppfx.
15235 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
15236 to collect_execute.
15237 (do_link): Add new parameter atsuffix.
15238 (main): Handle -dumpdir option. Skip one argument for
15239 -o, -isystem and -B options.
15240 * gcc.c (make_at_file): New helper function.
15241 (close_at_file): Use it.
15243 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15245 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
15246 Amend handling for LD64_VERSION fallback defaults.
15248 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15250 * config.gcc: Compute default version information
15251 from the configured target. Likewise defaults for
15253 * config/darwin10.h: Removed.
15254 * config/darwin12.h: Removed.
15255 * config/darwin9.h: Removed.
15256 * config/rs6000/darwin8.h: Removed.
15258 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15260 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
15262 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15264 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
15265 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
15267 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15269 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
15271 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
15273 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15275 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
15276 for the Darwin10 unwinder stub from here ...
15277 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
15279 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
15281 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
15282 (ASM_DEBUG_SPEC):Only define if the assembler supports
15284 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
15285 (DARWIN_PREFER_DWARF): Define.
15286 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
15287 (DARWIN_PREFER_DWARF): Likewise
15288 (DSYMUTIL_SPEC): Likewise.
15289 (COLLECT_RUN_DSYMUTIL): Likewise.
15290 (ASM_DEBUG_SPEC): Likewise.
15291 (ASM_DEBUG_OPTION_SPEC): Likewise.
15293 2021-01-02 Jan Hubicka <jh@suse.cz>
15295 * cfg.c (free_block): ggc_free bb.
15297 2021-01-01 Jakub Jelinek <jakub@redhat.com>
15299 * gcc.c (process_command): Update copyright notice dates.
15300 * gcov-dump.c (print_version): Ditto.
15301 * gcov.c (print_version): Ditto.
15302 * gcov-tool.c (print_version): Ditto.
15303 * gengtype.c (create_file): Ditto.
15304 * doc/cpp.texi: Bump @copying's copyright year.
15305 * doc/cppinternals.texi: Ditto.
15306 * doc/gcc.texi: Ditto.
15307 * doc/gccint.texi: Ditto.
15308 * doc/gcov.texi: Ditto.
15309 * doc/install.texi: Ditto.
15310 * doc/invoke.texi: Ditto.
15312 2021-01-01 Jakub Jelinek <jakub@redhat.com>
15314 * ChangeLog-2020: Rotate ChangeLog. New file.
15317 Copyright (C) 2021 Free Software Foundation, Inc.
15319 Copying and distribution of this file, with or without modification,
15320 are permitted in any medium without royalty provided the copyright
15321 notice and this notice are preserved.