1 2021-09-12 Roger Sayle <roger@nextmovesoftware.com>
3 * expr.c (convert_move): Preserve SUBREG_PROMOTED_VAR_P when
4 creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
7 2021-09-11 Aldy Hernandez <aldyh@redhat.com>
9 * tree-ssa-threadbackward.c (class back_threader_registry): Use
10 back_jt_path_registry.
11 * tree-ssa-threadedge.c (jump_threader::jump_threader): Use
13 * tree-ssa-threadedge.h (class jump_threader): Same..
14 * tree-ssa-threadupdate.c
15 (jump_thread_path_registry::jump_thread_path_registry): Rename...
16 (jt_path_registry::jt_path_registry): ...to this.
17 (jump_thread_path_registry::~jump_thread_path_registry): Rename...
18 (jt_path_registry::~jt_path_registry): ...this.
19 (fwd_jt_path_registry::fwd_jt_path_registry): New.
20 (fwd_jt_path_registry::~fwd_jt_path_registry): New.
21 (jump_thread_path_registry::allocate_thread_edge): Rename...
22 (jt_path_registry::allocate_thread_edge): ...to this.
23 (jump_thread_path_registry::allocate_thread_path): Rename...
24 (jt_path_registry::allocate_thread_path): ...to this.
25 (jump_thread_path_registry::lookup_redirection_data): Rename...
26 (fwd_jt_path_registry::lookup_redirection_data): ...to this.
27 (jump_thread_path_registry::thread_block_1): Rename...
28 (fwd_jt_path_registry::thread_block_1): ...to this.
29 (jump_thread_path_registry::thread_block): Rename...
30 (fwd_jt_path_registry::thread_block): ...to this.
31 (jt_path_registry::thread_through_loop_header): Rename...
32 (fwd_jt_path_registry::thread_through_loop_header): ...to this.
33 (jump_thread_path_registry::mark_threaded_blocks): Rename...
34 (fwd_jt_path_registry::mark_threaded_blocks): ...to this.
35 (jump_thread_path_registry::debug_path): Rename...
36 (jt_path_registry::debug_path): ...to this.
37 (jump_thread_path_registry::dump): Rename...
38 (jt_path_registry::debug): ...to this.
39 (jump_thread_path_registry::rewire_first_differing_edge): Rename...
40 (back_jt_path_registry::rewire_first_differing_edge): ...to this.
41 (jump_thread_path_registry::adjust_paths_after_duplication): Rename...
42 (back_jt_path_registry::adjust_paths_after_duplication): ...to this.
43 (jump_thread_path_registry::duplicate_thread_path): Rename...
44 (back_jt_path_registry::duplicate_thread_path): ...to this. Also,
45 drop ill-formed candidates.
46 (jump_thread_path_registry::remove_jump_threads_including): Rename...
47 (fwd_jt_path_registry::remove_jump_threads_including): ...to this.
48 (jt_path_registry::thread_through_all_blocks): New.
49 (back_jt_path_registry::update_cfg): New.
50 (fwd_jt_path_registry::update_cfg): New.
51 (jump_thread_path_registry::register_jump_thread): Rename...
52 (jt_path_registry::register_jump_thread): ...to this.
53 * tree-ssa-threadupdate.h (class jump_thread_path_registry):
55 (class jt_path_registry): ...here.
56 (class fwd_jt_path_registry): New.
57 (class back_jt_path_registry): New.
59 2021-09-10 liuhongt <hongtao.liu@intel.com>
62 2021-09-01 liuhongt <hongtao.liu@intel.com>
64 * emit-rtl.c (validate_subreg): Get rid of all float-int
67 2021-09-10 Jakub Jelinek <jakub@redhat.com>
69 * tree-core.h (enum omp_memory_order): Add OMP_MEMORY_ORDER_MASK,
70 OMP_FAIL_MEMORY_ORDER_UNSPECIFIED, OMP_FAIL_MEMORY_ORDER_RELAXED,
71 OMP_FAIL_MEMORY_ORDER_ACQUIRE, OMP_FAIL_MEMORY_ORDER_RELEASE,
72 OMP_FAIL_MEMORY_ORDER_ACQ_REL, OMP_FAIL_MEMORY_ORDER_SEQ_CST and
73 OMP_FAIL_MEMORY_ORDER_MASK enumerators.
74 (OMP_FAIL_MEMORY_ORDER_SHIFT): Define.
75 * gimple-pretty-print.c (dump_gimple_omp_atomic_load,
76 dump_gimple_omp_atomic_store): Print [weak] for weak atomic
78 * gimple.h (enum gf_mask): Change GF_OMP_ATOMIC_MEMORY_ORDER
79 to 6-bit mask, adjust GF_OMP_ATOMIC_NEED_VALUE value and add
81 (gimple_omp_atomic_weak_p, gimple_omp_atomic_set_weak): New inline
83 * tree.h (OMP_ATOMIC_WEAK): Define.
84 * tree-pretty-print.c (dump_omp_atomic_memory_order): Adjust for
85 fail memory order being encoded in the same enum and also print
86 fail clause if present.
87 (dump_generic_node): Print weak clause if OMP_ATOMIC_WEAK.
88 * gimplify.c (goa_stabilize_expr): Add target_expr and rhs arguments,
89 handle pre_p == NULL case as a test mode that only returns value
90 but doesn't change gimplify nor change anything otherwise, adjust
91 recursive calls, add MODIFY_EXPR, ADDR_EXPR, COND_EXPR, TARGET_EXPR
92 and CALL_EXPR handling, adjust COMPOUND_EXPR handling for
93 __builtin_clear_padding calls, for !rhs gimplify as lvalue rather
95 (gimplify_omp_atomic): Adjust goa_stabilize_expr caller. Handle
96 COND_EXPR rhs. Set weak flag on gimple load/store for
98 * omp-expand.c (omp_memory_order_to_fail_memmodel): New function.
99 (omp_memory_order_to_memmodel): Adjust for fail clause encoded
101 (expand_omp_atomic_cas): New function.
102 (expand_omp_atomic_pipeline): Use omp_memory_order_to_fail_memmodel
104 (expand_omp_atomic): Attempt to optimize atomic compare and exchange
105 using expand_omp_atomic_cas.
107 2021-09-10 Aldy Hernandez <aldyh@redhat.com>
108 Michael Matz <matz@suse.de>
110 * tree-pass.h (PROP_loop_opts_done): New.
111 * gimple-range-path.cc (path_range_query::internal_range_of_expr):
112 Intersect with global range.
113 * tree-ssa-loop.c (tree_ssa_loop_done): Set PROP_loop_opts_done.
114 * tree-ssa-threadbackward.c
115 (back_threader_profitability::profitable_path_p): Disable
116 threading through latches until after loop optimizations have run.
118 2021-09-10 David Faust <david.faust@oracle.com>
120 * doc/invoke.texi: Document BPF -mcpu, -mjmpext, -mjmp32 and -malu32
123 2021-09-10 David Faust <david.faust@oracle.com>
125 * config/bpf/bpf-opts.h (bpf_isa_version): New enum.
126 * config/bpf/bpf-protos.h (bpf_expand_cbranch): New.
127 * config/bpf/bpf.c (bpf_option_override): Handle -mcpu option.
128 (bpf_expand_cbranch): New function.
129 * config/bpf/bpf.md (AM mode iterator): Conditionalize support for SI
131 (zero_extendsidi2): Only use mov32 instruction if it is available.
132 (SIM mode iterator): Conditionalize support for SI mode.
133 (JM mode iterator): New.
134 (cbranchdi4): Update name, use new JM iterator. Use bpf_expand_cbranch.
135 (*branch_on_di): Update name, use new JM iterator.
136 * config/bpf/bpf.opt: (mjmpext): New option.
142 2021-09-10 David Faust <david.faust@oracle.com>
144 * config/bpf/bpf.md (zero_extendhidi2): Add new output template
145 for register-to-register extensions.
146 (zero_extendqidi2): Likewise.
148 2021-09-10 Richard Biener <rguenther@suse.de>
151 * internal-fn.c (expand_DEFERRED_INIT): Always expand non-SSA vars.
153 2021-09-10 Richard Biener <rguenther@suse.de>
156 * gimplify.c (is_var_need_auto_init): Empty types do not need
159 2021-09-10 Richard Biener <rguenther@suse.de>
161 * configure.ac (--with-stabs): Remove.
162 * configure: Regenerate.
163 * doc/install.texi: Remove --with-stabs documentation.
165 2021-09-10 liuhongt <hongtao.liu@intel.com>
167 * config/i386/avx512fp16intrin.h: (_mm512_cmp_ph_mask):
169 (_mm512_mask_cmp_ph_mask): Likewise.
170 (_mm512_cmp_round_ph_mask): Likewise.
171 (_mm512_mask_cmp_round_ph_mask): Likewise.
172 (_mm_cmp_sh_mask): Likewise.
173 (_mm_mask_cmp_sh_mask): Likewise.
174 (_mm_cmp_round_sh_mask): Likewise.
175 (_mm_mask_cmp_round_sh_mask): Likewise.
176 (_mm_comieq_sh): Likewise.
177 (_mm_comilt_sh): Likewise.
178 (_mm_comile_sh): Likewise.
179 (_mm_comigt_sh): Likewise.
180 (_mm_comige_sh): Likewise.
181 (_mm_comineq_sh): Likewise.
182 (_mm_ucomieq_sh): Likewise.
183 (_mm_ucomilt_sh): Likewise.
184 (_mm_ucomile_sh): Likewise.
185 (_mm_ucomigt_sh): Likewise.
186 (_mm_ucomige_sh): Likewise.
187 (_mm_ucomineq_sh): Likewise.
188 (_mm_comi_round_sh): Likewise.
189 (_mm_comi_sh): Likewise.
190 * config/i386/avx512fp16vlintrin.h (_mm_cmp_ph_mask): New intrinsic.
191 (_mm_mask_cmp_ph_mask): Likewise.
192 (_mm256_cmp_ph_mask): Likewise.
193 (_mm256_mask_cmp_ph_mask): Likewise.
194 * config/i386/i386-builtin-types.def: Add corresponding builtin types.
195 * config/i386/i386-builtin.def: Add corresponding new builtins.
196 * config/i386/i386-expand.c
197 (ix86_expand_args_builtin): Handle new builtin types.
198 (ix86_expand_round_builtin): Ditto.
199 * config/i386/i386.md (ssevecmode): Add HF mode.
200 (MODEFH): New mode iterator.
202 (V48H_AVX512VL): New mode iterator to support HF vector modes.
203 Ajdust corresponding description.
204 (ssecmpintprefix): New.
205 (VI12_AVX512VL): Adjust to support HF vector modes.
206 (cmp_imm_predicate): Likewise.
207 (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>):
209 (avx512f_vmcmp<mode>3<round_saeonly_name>): Likewise.
210 (avx512f_vmcmp<mode>3_mask<round_saeonly_name>): Likewise.
211 (<sse>_<unord>comi<round_saeonly_name>): Likewise.
213 2021-09-10 liuhongt <hongtao.liu@intel.com>
215 * config/i386/avx512fp16intrin.h: (_mm512_max_ph): New intrinsic.
216 (_mm512_mask_max_ph): Likewise.
217 (_mm512_maskz_max_ph): Likewise.
218 (_mm512_min_ph): Likewise.
219 (_mm512_mask_min_ph): Likewise.
220 (_mm512_maskz_min_ph): Likewise.
221 (_mm512_max_round_ph): Likewise.
222 (_mm512_mask_max_round_ph): Likewise.
223 (_mm512_maskz_max_round_ph): Likewise.
224 (_mm512_min_round_ph): Likewise.
225 (_mm512_mask_min_round_ph): Likewise.
226 (_mm512_maskz_min_round_ph): Likewise.
227 (_mm_max_sh): Likewise.
228 (_mm_mask_max_sh): Likewise.
229 (_mm_maskz_max_sh): Likewise.
230 (_mm_min_sh): Likewise.
231 (_mm_mask_min_sh): Likewise.
232 (_mm_maskz_min_sh): Likewise.
233 (_mm_max_round_sh): Likewise.
234 (_mm_mask_max_round_sh): Likewise.
235 (_mm_maskz_max_round_sh): Likewise.
236 (_mm_min_round_sh): Likewise.
237 (_mm_mask_min_round_sh): Likewise.
238 (_mm_maskz_min_round_sh): Likewise.
239 * config/i386/avx512fp16vlintrin.h (_mm_max_ph): New intrinsic.
240 (_mm256_max_ph): Likewise.
241 (_mm_mask_max_ph): Likewise.
242 (_mm256_mask_max_ph): Likewise.
243 (_mm_maskz_max_ph): Likewise.
244 (_mm256_maskz_max_ph): Likewise.
245 (_mm_min_ph): Likewise.
246 (_mm256_min_ph): Likewise.
247 (_mm_mask_min_ph): Likewise.
248 (_mm256_mask_min_ph): Likewise.
249 (_mm_maskz_min_ph): Likewise.
250 (_mm256_maskz_min_ph): Likewise.
251 * config/i386/i386-builtin-types.def: Add corresponding builtin types.
252 * config/i386/i386-builtin.def: Add corresponding new builtins.
253 * config/i386/i386-expand.c
254 (ix86_expand_args_builtin): Handle new builtin types.
256 (<code><mode>3<mask_name><round_saeonly_name>): Adjust to
257 support HF vector modes.
258 (*<code><mode>3<mask_name><round_saeonly_name>): Likewise.
259 (ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>):
261 (<sse>_vm<code><mode>3<mask_scalar_name><round_saeonly_scalar_name>):
263 * config/i386/subst.md (round_saeonly_mode512bit_condition):
264 Adjust for HF vector modes.
266 2021-09-10 Liu, Hongtao <hongtao.liu@intel.com>
268 * config/i386/avx512fp16intrin.h (_mm_add_sh): New intrinsic.
269 (_mm_mask_add_sh): Likewise.
270 (_mm_maskz_add_sh): Likewise.
271 (_mm_sub_sh): Likewise.
272 (_mm_mask_sub_sh): Likewise.
273 (_mm_maskz_sub_sh): Likewise.
274 (_mm_mul_sh): Likewise.
275 (_mm_mask_mul_sh): Likewise.
276 (_mm_maskz_mul_sh): Likewise.
277 (_mm_div_sh): Likewise.
278 (_mm_mask_div_sh): Likewise.
279 (_mm_maskz_div_sh): Likewise.
280 (_mm_add_round_sh): Likewise.
281 (_mm_mask_add_round_sh): Likewise.
282 (_mm_maskz_add_round_sh): Likewise.
283 (_mm_sub_round_sh): Likewise.
284 (_mm_mask_sub_round_sh): Likewise.
285 (_mm_maskz_sub_round_sh): Likewise.
286 (_mm_mul_round_sh): Likewise.
287 (_mm_mask_mul_round_sh): Likewise.
288 (_mm_maskz_mul_round_sh): Likewise.
289 (_mm_div_round_sh): Likewise.
290 (_mm_mask_div_round_sh): Likewise.
291 (_mm_maskz_div_round_sh): Likewise.
292 * config/i386/i386-builtin-types.def: Add corresponding builtin types.
293 * config/i386/i386-builtin.def: Add corresponding new builtins.
294 * config/i386/i386-expand.c
295 (ix86_expand_round_builtin): Handle new builtins.
296 * config/i386/sse.md (VF_128): Change description.
297 (<sse>_vm<plusminus_insn><mode>3<mask_scalar_name><round_scalar_name>):
298 Adjust to support HF vector modes.
299 (<sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name><round_scalar_name>):
302 2021-09-10 H.J. Lu <hjl.tools@gmail.com>
304 * config/i386/i386-expand.c
305 (ix86_avx256_split_vector_move_misalign): Handle V16HF mode.
307 (ix86_preferred_simd_mode): Handle HF mode.
308 * config/i386/sse.md (V_256H): New mode iterator.
309 (avx_vextractf128<mode>): Use it.
310 (VEC_INIT_MODE): Align vector HFmode condition to vector
311 HImodes since there're no real HF instruction used.
312 (VEC_INIT_HALF_MODE): Ditto.
314 (VIHF_AVX512BW): Ditto.
315 (*vec_extracthf): Ditto.
316 (VEC_EXTRACT_MODE): Ditto.
318 2021-09-10 Richard Biener <rguenther@suse.de>
321 * config/dbx.h: Remove.
322 * config/dbxcoff.h: Do not define PREFERRED_DEBUGGING_TYPE.
323 * config/lynx.h: Likewise.
325 2021-09-10 liuhongt <hongtao.liu@intel.com>
327 * config/i386/i386-expand.c (ix86_expand_copysign): Expand
328 right into ANDNOT + AND + IOR, using paradoxical subregs.
329 (ix86_split_copysign_const): Remove.
330 (ix86_split_copysign_var): Ditto.
331 * config/i386/i386-protos.h (ix86_split_copysign_const): Dotto.
332 (ix86_split_copysign_var): Ditto.
333 * config/i386/i386.md (@copysign<mode>3_const): Ditto.
334 (@copysign<mode>3_var): Ditto.
336 2021-09-09 qing zhao <qing.zhao@oracle.com>
338 * builtins.c (expand_builtin_memset): Make external visible.
339 * builtins.h (expand_builtin_memset): Declare extern.
340 * common.opt (ftrivial-auto-var-init=): New option.
341 * doc/extend.texi: Document the uninitialized attribute.
342 * doc/invoke.texi: Document -ftrivial-auto-var-init.
343 * flag-types.h (enum auto_init_type): New enumerated type
345 * gimple-fold.c (clear_padding_type): Add one new parameter.
346 (clear_padding_union): Likewise.
347 (clear_padding_emit_loop): Likewise.
348 (clear_type_padding_in_mask): Likewise.
349 (gimple_fold_builtin_clear_padding): Handle this new parameter.
350 * gimplify.c (gimple_add_init_for_auto_var): New function.
351 (gimple_add_padding_init_for_auto_var): New function.
352 (is_var_need_auto_init): New function.
353 (gimplify_decl_expr): Add initialization to automatic variables per
355 (gimplify_call_expr): Add one new parameter for call to
356 __builtin_clear_padding.
357 (gimplify_init_constructor): Add padding initialization in the end.
358 * internal-fn.c (INIT_PATTERN_VALUE): New macro.
359 (expand_DEFERRED_INIT): New function.
360 * internal-fn.def (DEFERRED_INIT): New internal function.
361 * tree-cfg.c (verify_gimple_call): Verify calls to .DEFERRED_INIT.
362 * tree-sra.c (generate_subtree_deferred_init): New function.
363 (scan_function): Avoid setting cannot_scalarize_away_bitmap for
364 calls to .DEFERRED_INIT.
365 (sra_modify_deferred_init): New function.
366 (sra_modify_function_body): Handle calls to DEFERRED_INIT specially.
367 * tree-ssa-structalias.c (find_func_aliases_for_call): Likewise.
368 * tree-ssa-uninit.c (warn_uninit): Handle calls to DEFERRED_INIT
370 (check_defs): Likewise.
371 (warn_uninitialized_vars): Likewise.
372 * tree-ssa.c (ssa_undefined_value_p): Likewise.
373 * tree.c (build_common_builtin_nodes): Build tree node for
374 BUILT_IN_CLEAR_PADDING when needed.
376 2021-09-09 Richard Biener <rguenther@suse.de>
378 * tree-ssa-loop-im.c (fill_always_executed_in_1): Walk
381 2021-09-09 Richard Biener <rguenther@suse.de>
383 * tree-ssa-loop-im.c (fill_always_executed_in_1): Integrate
384 DOM walk from get_loop_body_in_dom_order using a worklist
387 2021-09-09 liuhongt <hongtao.liu@intel.com>
389 * config.gcc: Add avx512fp16vlintrin.h.
390 * config/i386/avx512fp16intrin.h: (_mm512_add_ph): New intrinsic.
391 (_mm512_mask_add_ph): Likewise.
392 (_mm512_maskz_add_ph): Likewise.
393 (_mm512_sub_ph): Likewise.
394 (_mm512_mask_sub_ph): Likewise.
395 (_mm512_maskz_sub_ph): Likewise.
396 (_mm512_mul_ph): Likewise.
397 (_mm512_mask_mul_ph): Likewise.
398 (_mm512_maskz_mul_ph): Likewise.
399 (_mm512_div_ph): Likewise.
400 (_mm512_mask_div_ph): Likewise.
401 (_mm512_maskz_div_ph): Likewise.
402 (_mm512_add_round_ph): Likewise.
403 (_mm512_mask_add_round_ph): Likewise.
404 (_mm512_maskz_add_round_ph): Likewise.
405 (_mm512_sub_round_ph): Likewise.
406 (_mm512_mask_sub_round_ph): Likewise.
407 (_mm512_maskz_sub_round_ph): Likewise.
408 (_mm512_mul_round_ph): Likewise.
409 (_mm512_mask_mul_round_ph): Likewise.
410 (_mm512_maskz_mul_round_ph): Likewise.
411 (_mm512_div_round_ph): Likewise.
412 (_mm512_mask_div_round_ph): Likewise.
413 (_mm512_maskz_div_round_ph): Likewise.
414 * config/i386/avx512fp16vlintrin.h: New header.
415 * config/i386/i386-builtin-types.def (V16HF, V8HF, V32HF):
416 Add new builtin types.
417 * config/i386/i386-builtin.def: Add corresponding builtins.
418 * config/i386/i386-expand.c
419 (ix86_expand_args_builtin): Handle new builtin types.
420 (ix86_expand_round_builtin): Likewise.
421 * config/i386/immintrin.h: Include avx512fp16vlintrin.h
422 * config/i386/sse.md (VFH): New mode_iterator.
424 (avx512fmaskmode): Add HF vector modes.
425 (avx512fmaskhalfmode): Likewise.
426 (<plusminus_insn><mode>3<mask_name><round_name>): Adjust to for
428 (*<plusminus_insn><mode>3<mask_name><round_name>): Likewise.
429 (mul<mode>3<mask_name><round_name>): Likewise.
430 (*mul<mode>3<mask_name><round_name>): Likewise.
431 (div<mode>3): Likewise.
432 (<sse>_div<mode>3<mask_name><round_name>): Likewise.
433 * config/i386/subst.md (SUBST_V): Add HF vector modes.
435 (round_mode512bit_condition): Adjust for V32HFmode.
437 2021-09-09 liuhongt <hongtao.liu@intel.com>
440 * config/i386/sse.md (reduc_plus_scal_<mode>): Split to ..
441 (reduc_plus_scal_v4sf): .. this, New define_expand.
442 (reduc_plus_scal_v2df): .. and this, New define_expand.
444 2021-09-09 liuhongt <hongtao.liu@intel.com>
447 * config/i386/sse.md (*vec_extract<mode><ssescalarmodelower>_valign):
450 2021-09-08 Jonathan Wakely <jwakely@redhat.com>
453 * doc/trouble.texi (Copy Assignment): Fix description of
454 behaviour and fix code in example.
456 2021-09-08 Segher Boessenkool <segher@kernel.crashing.org>
459 * config/rs6000/rs6000-logue.c (rs6000_emit_epilogue): For ELFv2 use
460 r11 instead of r12 for restoring CR.
462 2021-09-08 Jakub Jelinek <jakub@redhat.com>
463 liuhongt <hongtao.liu@intel.com>
466 * config/i386/i386.md (@xorsign<mode>3_1): Remove.
467 * config/i386/i386-expand.c (ix86_expand_xorsign): Expand right away
468 into AND with mask and XOR, using paradoxical subregs.
469 (ix86_split_xorsign): Remove.
470 * config/i386/i386-protos.h (ix86_split_xorsign): Remove.
472 2021-09-08 Di Zhao <dizhao@os.amperecomputing.com>
474 * tree-ssa-sccvn.c (vn_nary_op_insert_into): fix result compare
476 2021-09-08 Jakub Jelinek <jakub@redhat.com>
479 * config/i386/i386.md (xorsign<mode>3): If operands[1] is equal to
480 operands[2], emit abs<mode>2 instead.
481 (@xorsign<mode>3_1): Add early-clobbers for output operand, enable
482 first alternative even for avx, add another alternative with
483 =&Yv <- 0, Yv, Yvm constraints.
484 * config/i386/i386-expand.c (ix86_split_xorsign): If op0 is equal
485 to op1, emit vpandn instead.
487 2021-09-08 liuhongt <hongtao.liu@intel.com>
489 * config/i386/avx512fp16intrin.h (_mm_set_ph): New intrinsic.
490 (_mm256_set_ph): Likewise.
491 (_mm512_set_ph): Likewise.
492 (_mm_setr_ph): Likewise.
493 (_mm256_setr_ph): Likewise.
494 (_mm512_setr_ph): Likewise.
495 (_mm_set1_ph): Likewise.
496 (_mm256_set1_ph): Likewise.
497 (_mm512_set1_ph): Likewise.
498 (_mm_setzero_ph): Likewise.
499 (_mm256_setzero_ph): Likewise.
500 (_mm512_setzero_ph): Likewise.
501 (_mm_set_sh): Likewise.
502 (_mm_load_sh): Likewise.
503 (_mm_store_sh): Likewise.
504 * config/i386/i386-builtin-types.def (V8HF): New type.
505 (DEF_FUNCTION_TYPE (V8HF, V8HI)): New builtin function type
506 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
507 Support vector HFmodes.
508 (ix86_expand_vector_init_one_nonzero): Likewise.
509 (ix86_expand_vector_init_one_var): Likewise.
510 (ix86_expand_vector_init_interleave): Likewise.
511 (ix86_expand_vector_init_general): Likewise.
512 (ix86_expand_vector_set): Likewise.
513 (ix86_expand_vector_extract): Likewise.
514 (ix86_expand_vector_init_concat): Likewise.
515 (ix86_expand_sse_movcc): Handle vector HFmodes.
516 (ix86_expand_vector_set_var): Ditto.
517 * config/i386/i386-modes.def: Add HF vector modes in comment.
518 * config/i386/i386.c (classify_argument): Add HF vector modes.
519 (ix86_hard_regno_mode_ok): Allow HF vector modes for AVX512FP16.
520 (ix86_vector_mode_supported_p): Likewise.
521 (ix86_set_reg_reg_cost): Handle vector HFmode.
522 (ix86_get_ssemov): Handle vector HFmode.
523 (function_arg_advance_64): Pass unamed V16HFmode and V32HFmode
525 (function_arg_advance_32): Pass V8HF/V16HF/V32HF by sse reg for 32bit
527 (function_arg_advance_32): Ditto.
528 * config/i386/i386.h (VALID_AVX512FP16_REG_MODE): New.
529 (VALID_AVX256_REG_OR_OI_MODE): Rename to ..
530 (VALID_AVX256_REG_OR_OI_VHF_MODE): .. this, and add V16HF.
531 (VALID_SSE2_REG_VHF_MODE): New.
532 (VALID_AVX512VL_128_REG_MODE): Add V8HF and TImode.
533 (SSE_REG_MODE_P): Add vector HFmode.
534 * config/i386/i386.md (mode): Add HF vector modes.
535 (MODE_SIZE): Likewise.
536 (ssemodesuffix): Add ph suffix for HF vector modes.
537 * config/i386/sse.md (VFH_128): New mode iterator.
538 (VMOVE): Adjust for HF vector modes.
540 (V_256_512): Likewise.
542 (avx512fmaskmode): Likewise.
543 (shuffletype): Likewise.
544 (sseinsnmode): Likewise.
545 (ssedoublevecmode): Likewise.
546 (ssehalfvecmode): Likewise.
547 (ssehalfvecmodelower): Likewise.
548 (ssePScmode): Likewise.
549 (ssescalarmode): Likewise.
550 (ssescalarmodelower): Likewise.
551 (sseintprefix): Likewise.
553 (bcstscalarsuff): Likewise.
554 (xtg_mode): Likewise.
555 (VI12HF_AVX512VL): New mode_iterator.
556 (VF_AVX512FP16): Likewise.
558 (VIHF_256): Likewise.
559 (VIHF_AVX512BW): Likewise.
562 (sseintmodesuffix): New mode_attr.
563 (sse): Add scalar and vector HFmodes.
564 (ssescalarmode): Add vector HFmode mapping.
565 (ssescalarmodesuffix): Add sh suffix for HFmode.
566 (*<sse>_vm<insn><mode>3): Use VFH_128.
567 (*<sse>_vm<multdiv_mnemonic><mode>3): Likewise.
568 (*ieee_<ieee_maxmin><mode>3): Likewise.
569 (<avx512>_blendm<mode>): New define_insn.
570 (vec_setv8hf): New define_expand.
571 (vec_set<mode>_0): New define_insn for HF vector set.
572 (*avx512fp16_movsh): Likewise.
573 (avx512fp16_movsh): Likewise.
574 (vec_extract_lo_v32hi): Rename to ...
575 (vec_extract_lo_<mode>): ... this, and adjust to allow HF
577 (vec_extract_hi_v32hi): Likewise.
578 (vec_extract_hi_<mode>): Likewise.
579 (vec_extract_lo_v16hi): Likewise.
580 (vec_extract_lo_<mode>): Likewise.
581 (vec_extract_hi_v16hi): Likewise.
582 (vec_extract_hi_<mode>): Likewise.
583 (vec_set_hi_v16hi): Likewise.
584 (vec_set_hi_<mode>): Likewise.
585 (vec_set_lo_v16hi): Likewise.
586 (vec_set_lo_<mode>): Likewise.
587 (*vec_extract<mode>_0): New define_insn_and_split for HF
589 (*vec_extracthf): New define_insn.
590 (VEC_EXTRACT_MODE): Add HF vector modes.
591 (PINSR_MODE): Add V8HF.
592 (sse2p4_1): Likewise.
593 (pinsr_evex_isa): Likewise.
594 (<sse2p4_1>_pinsr<ssemodesuffix>): Adjust to support
596 (pbroadcast_evex_isa): Add HF vector modes.
597 (AVX2_VEC_DUP_MODE): Likewise.
598 (VEC_INIT_MODE): Likewise.
599 (VEC_INIT_HALF_MODE): Likewise.
600 (avx2_pbroadcast<mode>): Adjust to support HF vector mode
602 (avx2_pbroadcast<mode>_1): Likewise.
603 (<avx512>_vec_dup<mode>_1): Likewise.
604 (<avx512>_vec_dup<mode><mask_name>): Likewise.
605 (<mask_codefor><avx512>_vec_dup_gpr<mode><mask_name>):
608 2021-09-08 Guo, Xuepeng <xuepeng.guo@intel.com>
609 H.J. Lu <hongjiu.lu@intel.com>
610 Liu Hongtao <hongtao.liu@intel.com>
611 Wang Hongyu <hongyu.wang@intel.com>
612 Xu Dianhong <dianhong.xu@intel.com>
614 * common/config/i386/cpuinfo.h (get_available_features):
615 Detect FEATURE_AVX512FP16.
616 * common/config/i386/i386-common.c
617 (OPTION_MASK_ISA_AVX512FP16_SET,
618 OPTION_MASK_ISA_AVX512FP16_UNSET,
619 OPTION_MASK_ISA2_AVX512FP16_SET,
620 OPTION_MASK_ISA2_AVX512FP16_UNSET): New.
621 (OPTION_MASK_ISA2_AVX512BW_UNSET,
622 OPTION_MASK_ISA2_AVX512BF16_UNSET): Add AVX512FP16.
623 (ix86_handle_option): Handle -mavx512fp16.
624 * common/config/i386/i386-cpuinfo.h (enum processor_features):
625 Add FEATURE_AVX512FP16.
626 * common/config/i386/i386-isas.h: Add entry for AVX512FP16.
627 * config.gcc: Add avx512fp16intrin.h.
628 * config/i386/avx512fp16intrin.h: New intrinsic header.
629 * config/i386/cpuid.h: Add bit_AVX512FP16.
630 * config/i386/i386-builtin-types.def: (FLOAT16): New primitive type.
631 * config/i386/i386-builtins.c: Support _Float16 type for i386
633 (ix86_register_float16_builtin_type): New function.
634 (ix86_float16_type_node): New.
635 * config/i386/i386-c.c (ix86_target_macros_internal): Define
637 * config/i386/i386-expand.c (ix86_expand_branch): Support
639 (ix86_prepare_fp_compare_args): Adjust TARGET_SSE_MATH &&
640 SSE_FLOAT_MODE_P to SSE_FLOAT_MODE_SSEMATH_OR_HF_P.
641 (ix86_expand_fp_movcc): Ditto.
642 * config/i386/i386-isa.def: Add PTA define for AVX512FP16.
643 * config/i386/i386-options.c (isa2_opts): Add -mavx512fp16.
644 (ix86_valid_target_attribute_inner_p): Add avx512fp16 attribute.
645 * config/i386/i386.c (ix86_get_ssemov): Use
646 vmovdqu16/vmovw/vmovsh for HFmode/HImode scalar or vector.
647 (ix86_get_excess_precision): Use
648 FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16 when TARGET_AVX512FP16
650 (sse_store_index): Use SFmode cost for HFmode cost.
651 (inline_memory_move_cost): Add HFmode, and perfer SSE cost over
653 (ix86_hard_regno_mode_ok): Allow HImode in sse register.
654 (ix86_mangle_type): Add manlging for _Float16 type.
655 (inline_secondary_memory_needed): No memory is needed for
656 16bit movement between gpr and sse reg under
658 (ix86_multiplication_cost): Adjust TARGET_SSE_MATH &&
659 SSE_FLOAT_MODE_P to SSE_FLOAT_MODE_SSEMATH_OR_HF_P.
660 (ix86_division_cost): Ditto.
661 (ix86_rtx_costs): Ditto.
662 (ix86_add_stmt_cost): Ditto.
663 (ix86_optab_supported_p): Ditto.
664 * config/i386/i386.h (VALID_AVX512F_SCALAR_MODE): Add HFmode.
665 (SSE_FLOAT_MODE_SSEMATH_OR_HF_P): Add HFmode.
666 (PTA_SAPPHIRERAPIDS): Add PTA_AVX512FP16.
667 * config/i386/i386.md (mode): Add HFmode.
668 (MODE_SIZE): Add HFmode.
669 (isa): Add avx512fp16.
670 (enabled): Handle avx512fp16.
671 (ssemodesuffix): Add sh suffix for HFmode.
672 (comm): Add mult, div.
673 (plusminusmultdiv): New code iterator.
674 (insn): Add mult, div.
675 (*movhf_internal): Adjust for avx512fp16 instruction.
676 (*movhi_internal): Ditto.
677 (*cmpi<unord>hf): New define_insn for HFmode.
678 (*ieee_s<ieee_maxmin>hf3): Likewise.
679 (extendhf<mode>2): Likewise.
680 (trunc<mode>hf2): Likewise.
681 (float<floatunssuffix><mode>hf2): Likewise.
682 (*<insn>hf): Likewise.
683 (cbranchhf4): New expander.
685 (<insn>hf3): Likewise.
688 * config/i386/i386.opt: Add mavx512fp16.
689 * config/i386/immintrin.h: Include avx512fp16intrin.h.
690 * doc/invoke.texi: Add mavx512fp16.
691 * doc/extend.texi: Add avx512fp16 Usage Notes.
693 2021-09-08 liuhongt <hongtao.liu@intel.com>
695 * common.opt: Support -fexcess-precision=16.
696 * config/aarch64/aarch64.c (aarch64_excess_precision): Return
697 FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16 when
698 EXCESS_PRECISION_TYPE_FLOAT16.
699 * config/arm/arm.c (arm_excess_precision): Ditto.
700 * config/i386/i386.c (ix86_get_excess_precision): Ditto.
701 * config/m68k/m68k.c (m68k_excess_precision): Issue an error
702 when EXCESS_PRECISION_TYPE_FLOAT16.
703 * config/s390/s390.c (s390_excess_precision): Ditto.
704 * coretypes.h (enum excess_precision_type): Add
705 EXCESS_PRECISION_TYPE_FLOAT16.
706 * doc/tm.texi (TARGET_C_EXCESS_PRECISION): Update documents.
707 * doc/tm.texi.in (TARGET_C_EXCESS_PRECISION): Ditto.
708 * doc/extend.texi (Half-Precision): Document
709 -fexcess-precision=16.
710 * flag-types.h (enum excess_precision): Add
711 EXCESS_PRECISION_FLOAT16.
712 * target.def (excess_precision): Update document.
713 * tree.c (excess_precision_type): Set excess_precision_type to
714 EXCESS_PRECISION_FLOAT16 when -fexcess-precision=16.
716 2021-09-08 liuhongt <hongtao.liu@intel.com>
718 * doc/extend.texi: (@node Floating Types): Adjust the wording.
719 (@node Half-Precision): Ditto.
721 2021-09-07 Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
724 * config/xtensa/xtensa.c (xtensa_emit_move_sequence): Add
725 'CONST_INT_P (src)' to the condition of the block that tries to
726 eliminate literal when loading integer contant.
728 2021-09-07 David Faust <david.faust@oracle.com>
730 * doc/extend.texi (BPF Type Attributes) New node.
731 Document new preserve_access_index attribute.
732 Document new preserve_access_index builtin.
733 * doc/invoke.texi: Document -mco-re and -mno-co-re options.
735 2021-09-07 David Faust <david.faust@oracle.com>
737 * config/bpf/bpf.c: Adjust includes.
738 (bpf_handle_preserve_access_index_attribute): New function.
739 (bpf_attribute_table): Use it here.
740 (bpf_builtins): Add BPF_BUILTIN_PRESERVE_ACCESS_INDEX.
741 (bpf_option_override): Handle "-mco-re" option.
742 (bpf_asm_init_sections): New.
743 (TARGET_ASM_INIT_SECTIONS): Redefine.
745 (TARGET_ASM_FILE_END): Redefine.
746 (bpf_init_builtins): Add "__builtin_preserve_access_index".
747 (bpf_core_compute, bpf_core_get_index): New.
748 (is_attr_preserve_access): New.
749 (bpf_expand_builtin): Handle new builtins.
750 (bpf_core_newdecl, bpf_core_is_maybe_aggregate_access): New.
751 (bpf_core_walk): New.
752 (bpf_resolve_overloaded_builtin): New.
753 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Redefine.
755 (pass_bpf_core_attr): New RTL pass.
756 * config/bpf/bpf-passes.def: New file.
757 * config/bpf/bpf-protos.h (make_pass_bpf_core_attr): New.
758 * config/bpf/coreout.c: New file.
759 * config/bpf/coreout.h: Likewise.
760 * config/bpf/t-bpf (TM_H): Add $(srcdir)/config/bpf/coreout.h.
761 (coreout.o): New rule.
762 (PASSES_EXTRA): Add $(srcdir)/config/bpf/bpf-passes.def.
763 * config.gcc (bpf): Add coreout.h to extra_headers.
764 Add coreout.o to extra_objs.
765 Add $(srcdir)/config/bpf/coreout.c to target_gtfiles.
767 2021-09-07 David Faust <david.faust@oracle.com>
769 * btfout.c (get_btf_id): Function is no longer static.
770 * ctfc.h: Expose it here.
772 2021-09-07 David Faust <david.faust@oracle.com>
774 * ctfc.c (ctf_lookup_tree_type): New function.
777 2021-09-07 David Faust <david.faust@oracle.com>
779 * ctfc.c (ctf_dtd_lookup): Function is no longer static.
780 * ctfc.h: Analogous change.
782 2021-09-07 David Faust <david.faust@oracle.com>
784 * dwarf2out.c (lookup_type_die): Function is no longer static.
785 * dwarf2out.h: Expose it here.
787 2021-09-07 Indu Bhagat <indu.bhagat@oracle.com>
789 * dwarf2ctf.c (ctf_debug_finalize): Make it static.
790 (ctf_debug_early_finish): New definition.
791 (ctf_debug_finish): Likewise.
792 * dwarf2ctf.h (ctf_debug_finalize): Remove declaration.
793 (ctf_debug_early_finish): New declaration.
794 (ctf_debug_finish): Likewise.
795 * dwarf2out.c (dwarf2out_finish): Invoke ctf_debug_finish.
796 (dwarf2out_early_finish): Invoke ctf_debug_early_finish.
798 2021-09-07 Indu Bhagat <indu.bhagat@oracle.com>
800 * config/bpf/bpf.c (bpf_option_override): For BPF backend, disable LTO
801 support when compiling for CO-RE.
802 * config/bpf/bpf.opt: Add new command line option -mco-re.
804 2021-09-07 Indu Bhagat <indu.bhagat@oracle.com>
806 * flag-types.h (enum debug_info_type): Add new enum
807 DINFO_TYPE_BTF_WITH_CORE.
808 (BTF_WITH_CORE_DEBUG): New bitmask.
809 * flags.h (btf_with_core_debuginfo_p): New declaration.
810 * opts.c (btf_with_core_debuginfo_p): New definition.
812 2021-09-07 Jason Merrill <jason@redhat.com>
814 * tree.h (error_operand_p): Change to inline function.
816 2021-09-07 Aldy Hernandez <aldyh@redhat.com>
818 * tree-ssa-threadedge.c (forwarder_block_p): Rename to...
819 (empty_block_with_phis_p): ...this.
820 (potentially_threadable_block): Same.
821 (jump_threader::thread_through_normal_block): Same.
823 2021-09-07 Eric Botcazou <ebotcazou@adacore.com>
826 * dwarf2out.c (mark_base_types): New overloaded function.
827 (dwarf2out_early_finish): Invoke it on the COMDAT type list as well
828 as the compilation unit, and call move_marked_base_types afterward.
830 2021-09-07 H.J. Lu <hjl.tools@gmail.com>
833 * config/i386/i386-expand.c (ix86_expand_convert_uns_sisf_sse):
835 (ix86_expand_vector_convert_uns_vsivsf): Likewise.
837 2021-09-07 Richard Biener <rguenther@suse.de>
839 PR tree-optimization/102226
840 * tree-vect-loop.c (vect_transform_cycle_phi): Record
841 the converted value for the epilogue PHI use.
843 2021-09-07 Martin Liska <mliska@suse.cz>
845 PR gcov-profile/80223
846 * ipa-inline.c (can_inline_edge_p): Similarly to sanitizer
847 options, do not inline when no_profile_instrument_function
848 attributes are different in early inliner. It's fine to inline
849 it after PGO instrumentation.
851 2021-09-07 Richard Biener <rguenther@suse.de>
853 PR tree-optimization/101555
854 * tree-ssa-pre.c (translate_vuse_through_block): Do not
855 perform an alias walk to determine the validity of the
856 mem at the start of the block which is already guaranteed
857 by means of prune_clobbered_mems.
858 (phi_translate_1): Pass edge to translate_vuse_through_block.
860 2021-09-07 Xionghu Luo <luoxhu@linux.ibm.com>
863 * config/rs6000/rs6000.md (fmod<mode>3): New define_expand.
864 (remainder<mode>3): Likewise.
866 2021-09-07 YunQiang Su <yunqiang.su@cipunited.com>
868 * config/mips/mips.c (mips_file_start): add .module for
871 2021-09-06 Roger Sayle <roger@nextmovesoftware.com>
873 * wide-int.cc (wi::clz): Reorder tests to ensure the result
874 is zero for all negative values.
876 2021-09-06 Tobias Burnus <tobias@codesourcery.com>
878 * doc/invoke.texi (-foffload-options): Fix @opindex.
880 2021-09-06 H.J. Lu <hjl.tools@gmail.com>
883 * config/i386/i386-expand.c (ix86_split_xorsign): Use operands[2].
884 * config/i386/i386.md (@xorsign<mode>3_1): Add non-destructive
885 source alternative for AVX.
887 2021-09-06 liuhongt <hongtao.liu@intel.com>
890 * optabs.c (expand_fix): Add from1 to avoid from being
893 2021-09-06 Eric Botcazou <ebotcazou@adacore.com>
895 * dwarf2out.c (modified_type_die): Deal with all array types earlier
896 and use local variable consistently throughout the function.
898 2021-09-06 Jakub Jelinek <jakub@redhat.com>
900 PR tree-optimization/102207
901 * match.pd: Don't demote operands of IFN_{ADD,SUB,MUL}_OVERFLOW if they
902 were promoted from signed to wider unsigned type.
904 2021-09-06 Andrew Pinski <apinski@marvell.com>
906 PR tree-optimization/63184
907 * match.pd: Add simplification of pointer_diff of two pointer_plus
908 with addr_expr in the first operand of each pointer_plus.
909 Add simplificatoin of ne/eq of two pointer_plus with addr_expr
910 in the first operand of each pointer_plus.
912 2021-09-06 Richard Biener <rguenther@suse.de>
914 PR tree-optimization/102176
915 * tree-vect-slp.c (vect_slp_gather_vectorized_scalar_stmts):
917 (vect_bb_slp_scalar_cost): Use the computed set of
918 vectorized scalar stmts instead of relying on the out-of-date
919 and not accurate PURE_SLP_STMT.
920 (vect_bb_vectorization_profitable_p): Compute the set
921 of vectorized scalar stmts.
923 2021-09-05 Aldy Hernandez <aldyh@redhat.com>
925 * gimple-range-path.cc (path_range_query::range_of_stmt): Remove
926 GIMPLE_COND special casing.
927 (path_range_query::range_defined_in_block): Use range_of_stmt
928 instead of calling fold_range directly.
930 2021-09-05 Aldy Hernandez <aldyh@redhat.com>
932 * gimple-range-path.cc (path_range_query::range_of_expr): Set
933 m_undefined_path when appropriate.
934 (path_range_query::internal_range_of_expr): Copy from range_of_expr.
935 (path_range_query::unreachable_path_p): New.
936 (path_range_query::precompute_ranges): Set m_undefined_path.
937 * gimple-range-path.h (path_range_query::unreachable_path_p): New.
938 (path_range_query::internal_range_of_expr): New.
939 * tree-ssa-threadbackward.c (back_threader::find_taken_edge_cond):
940 Use unreachable_path_p.
942 2021-09-05 Aldy Hernandez <aldyh@redhat.com>
944 * tree-ssa-threadbackward.c (back_threader::maybe_register_path):
945 Remove argument and call find_taken_edge.
946 (back_threader::resolve_phi): Do not calculate taken edge before
947 calling maybe_register_path.
948 (back_threader::find_paths_to_names): Same.
950 2021-09-05 Jeff Law <jlaw@localhost.localdomain>
952 * config/h8300/h8300.md (QHSI2 mode iterator): New mode iterator.
953 * config/h8300/testcompare.md (store_c): Update name, use new
955 (store_neg_c, store_shifted_c): New patterns.
957 2021-09-03 Segher Boessenkool <segher@kernel.crashing.org>
960 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): On ELFv2 use r11
961 instead of r12 for CR save, in all cases.
963 2021-09-03 Andrew Pinski <apinski@marvell.com>
965 * config/aarch64/aarch64-sve-builtins.cc (register_vector_type):
966 Handle error_mark_node as the type of the type_decl.
968 2021-09-03 Andrew Pinski <apinski@marvell.com>
970 * config/aarch64/aarch64-builtins.c (struct aarch64_simd_type_info):
972 (aarch64_simd_types): Likewise.
973 (aarch64_simd_intOI_type_node): Likewise.
974 (aarch64_simd_intCI_type_node): Likewise.
975 (aarch64_simd_intXI_type_node): Likewise.
976 * config/aarch64/aarch64.h (aarch64_fp16_type_node): Likewise.
977 (aarch64_fp16_ptr_type_node): Likewise.
978 (aarch64_bf16_type_node): Likewise.
979 (aarch64_bf16_ptr_type_node): Likewise.
981 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
983 * range-op.cc (operator_minus::op1_op2_relation_effect): Abstract
985 (minus_op1_op2_relation_effect): ...here.
986 (class operator_pointer_diff): New.
987 (operator_pointer_diff::op1_op2_relation_effect): Call
988 minus_op1_op2_relation_effect.
989 (integral_table::integral_table): Add entry for POINTER_DIFF_EXPR.
991 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
993 * tree-ssa-threadbackward.c (back_threader::thread_through_all_blocks):
994 Add may_peel_loop_headers.
995 (back_threader_registry::thread_through_all_blocks): Same.
996 (try_thread_blocks): Pass may_peel_loop_headers argument.
997 (pass_early_thread_jumps::execute): Same.
999 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1001 * tree-ssa-threadedge.c (has_phis_p): New.
1002 (forwarder_block_p): New.
1003 (potentially_threadable_block): Call forwarder_block_p.
1004 (jump_threader::thread_around_empty_blocks): Call has_phis_p.
1005 (jump_threader::thread_through_normal_block): Call
1008 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1010 * tree-ssa-threadbackward.c (back_threader::dump): New.
1011 (back_threader::debug): New.
1012 (back_threader_profitability::profitable_path_p): Dump blocks
1013 even if we are bailing early.
1015 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1017 * tree-ssa-threadupdate.c (cancel_thread): New.
1018 (jump_thread_path_registry::thread_block_1): Use cancel_thread.
1019 (jump_thread_path_registry::mark_threaded_blocks): Same.
1020 (jump_thread_path_registry::register_jump_thread): Same.
1022 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1024 * tree-ssa-threadedge.c (jt_state::push): Only call methods for
1025 which objects are available.
1026 (jt_state::pop): Same.
1027 (jt_state::register_equiv): Same.
1028 (jt_state::register_equivs_on_edge): Same.
1030 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1032 * tree-ssa-threadedge.c (jump_threader::thread_across_edge):
1033 Move pop until after a thread is registered.
1035 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1037 * tree-ssa-threadupdate.c (debug): New.
1039 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1041 * gimple-range-trace.cc (push_dump_file::push_dump_file): New.
1042 (push_dump_file::~push_dump_file): New.
1043 (dump_ranger): Change dump_file temporarily while dumping
1045 * gimple-range-trace.h (class push_dump_file): New.
1047 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1049 * gimple-range-trace.cc (debug_seed_ranger): Remove static.
1050 (dump_ranger): Dump function name.
1052 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1054 * gimple-range-path.cc (path_range_query::range_defined_in_block):
1055 Adjust for non-null.
1056 (path_range_query::adjust_for_non_null_uses): New.
1057 (path_range_query::precompute_ranges): Call
1058 adjust_for_non_null_uses.
1059 * gimple-range-path.h: Add m_non_null and
1060 adjust_for_non_null_uses.
1062 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1064 * gimple-range-path.cc (path_range_query::dump): Dump path
1066 (path_range_query::precompute_ranges): Dump entire path.
1068 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1070 * value-relation.cc (relation_oracle::debug): New.
1071 * value-relation.h (relation_oracle::debug): New.
1073 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1075 * tree-ssa-loop-ch.c: Remove unnecessary include file.
1077 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1079 * gimple-range-fold.cc (fold_using_range::postfold_gcond_edges):
1080 Skip statements with no defining BB.
1081 * gimple-range-path.cc (path_range_query::range_defined_in_block):
1082 Do not get confused by statements with no defining BB.
1084 2021-09-03 Aldy Hernandez <aldyh@redhat.com>
1086 * gimple-range-fold.cc (adjust_imagpart_expr): Move from
1087 gimple_range_adjustment. Add support for constants.
1088 (adjust_realpart_expr): New.
1089 (gimple_range_adjustment): Move IMAGPART_EXPR code to
1090 adjust_imagpart_expr.
1091 * range-op.cc (integral_table::integral_table): Add entry for
1094 2021-09-03 Jakub Jelinek <jakub@redhat.com>
1096 * omp-expand.c (expand_omp_atomic_pipeline): Use
1097 IFN_ATOMIC_COMPARE_EXCHANGE instead of
1098 BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_? so that memory order
1101 2021-09-03 Jakub Jelinek <jakub@redhat.com>
1104 * tree.h (DECL_FIELD_ABI_IGNORED): Changed into rvalue only macro
1105 that is false if DECL_BIT_FIELD.
1106 (SET_DECL_FIELD_ABI_IGNORED, DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD,
1107 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD): Define.
1108 * tree-streamer-out.c (pack_ts_decl_common_value_fields): For
1109 DECL_BIT_FIELD stream DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead
1110 of DECL_FIELD_ABI_IGNORED.
1111 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1112 SET_DECL_FIELD_ABI_IGNORED instead of writing to
1113 DECL_FIELD_ABI_IGNORED and for DECL_BIT_FIELD use
1114 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead.
1115 * lto-streamer-out.c (hash_tree): For DECL_BIT_FIELD hash
1116 DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead of DECL_FIELD_ABI_IGNORED.
1118 2021-09-03 liuhongt <hongtao.liu@intel.com>
1121 * config/i386/amxbf16intrin.h : Remove macro check for __AMX_BF16__.
1122 * config/i386/amxint8intrin.h : Remove macro check for __AMX_INT8__.
1123 * config/i386/amxtileintrin.h : Remove macro check for __AMX_TILE__.
1125 2021-09-02 Martin Sebor <msebor@redhat.com>
1127 PR tree-optimization/17506
1129 * tree-ssa-uninit.c (warn_uninit): Remove conditional guarding note.
1131 2021-09-02 Richard Biener <rguenther@suse.de>
1133 * tree-ssa-loop-im.c (fill_always_executed_in_1): Refine
1134 fix for PR78185 and continue processing when leaving
1137 2021-09-02 Jakub Jelinek <jakub@redhat.com>
1139 PR tree-optimization/99591
1140 * match.pd: Demote operands of IFN_{ADD,SUB,MUL}_OVERFLOW if they
1143 2021-09-02 Richard Biener <rguenther@suse.de>
1146 2021-09-02 Richard Biener <rguenther@suse.de>
1148 PR tree-optimization/102155
1149 * tree-ssa-loop-im.c (fill_always_executed_in_1): Iterate
1150 over a part of the RPO array and do not recurse here.
1151 Dump blocks marked as always executed.
1152 (fill_always_executed_in): Walk over the RPO array and
1153 process loops whose header we run into.
1154 (loop_invariant_motion_in_fun): Compute the first RPO
1155 using rev_post_order_and_mark_dfs_back_seme in iteration
1156 order and pass that to fill_always_executed_in.
1158 2021-09-02 liuhongt <hongtao.liu@intel.com>
1160 * config/i386/i386-modes.def (FLOAT_MODE): Define ieee HFmode.
1161 * config/i386/i386.c (enum x86_64_reg_class): Add
1163 (merge_classes): Handle X86_64_SSEHF_CLASS.
1164 (examine_argument): Ditto.
1165 (construct_container): Ditto.
1166 (classify_argument): Ditto, and set HFmode/HCmode to
1168 (function_value_32): Return _FLoat16/Complex Float16 by
1170 (function_value_64): Return _Float16/Complex Float16 by SSE
1172 (ix86_print_operand): Handle CONST_DOUBLE HFmode.
1173 (ix86_secondary_reload): Require gpr as intermediate register
1174 to store _Float16 from sse register when sse4 is not
1176 (ix86_libgcc_floating_mode_supported_p): Enable _FLoat16 under
1178 (ix86_scalar_mode_supported_p): Ditto.
1179 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Defined.
1180 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add HFmode.
1181 (VALID_INT_MODE_P): Add HFmode and HCmode.
1182 * config/i386/i386.md (*pushhf_rex64): New define_insn.
1184 (*movhf_internal): Ditto.
1185 * doc/extend.texi (Half-Precision Floating Point): Documemt
1188 2021-09-02 Richard Biener <rguenther@suse.de>
1190 PR tree-optimization/102155
1191 * tree-ssa-loop-im.c (fill_always_executed_in_1): Iterate
1192 over a part of the RPO array and do not recurse here.
1193 Dump blocks marked as always executed.
1194 (fill_always_executed_in): Walk over the RPO array and
1195 process loops whose header we run into.
1196 (loop_invariant_motion_in_fun): Compute the first RPO
1197 using rev_post_order_and_mark_dfs_back_seme in iteration
1198 order and pass that to fill_always_executed_in.
1200 2021-09-02 YunQiang Su <syq@debian.org>
1203 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
1205 * config/mips/mips.c (mips_module_isa_name): New.
1206 mips_file_start: add .module mipsREV to all asm output
1208 2021-09-01 Jeff Law <jlaw@localhost.localdomain>
1210 PR tree-optimization/102152
1211 * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Reduce a vector
1212 comparison to a scalar comparison before calling
1213 update_stmt_if_modified.
1215 2021-09-01 Andrew Pinski <apinski@marvell.com>
1218 * config/aarch64/aarch64.c (aarch64_expand_setmem):
1219 Check STRICT_ALIGNMENT before creating an overlapping
1222 2021-09-01 Martin Sebor <msebor@redhat.com>
1224 * gimple-ssa-warn-access.cc (get_size_range): Add argument.
1225 (check_access): Pass additional argument.
1226 (check_memop_access): Remove template and make a member function.
1227 (maybe_check_dealloc_call): Make a pass_waccess member function.
1228 (class pass_waccess): Add, rename, and remove members.
1229 (pass_waccess::pass_waccess): Adjust to name change.
1230 (pass_waccess::~pass_waccess): Same.
1231 (check_alloca): Make a member function.
1232 (check_alloc_size_call): Same.
1233 (check_strcat): Same.
1234 (check_strncat): Same.
1235 (check_stxcpy): Same.
1236 (check_stxncpy): Same.
1237 (check_strncmp): Same.
1238 (maybe_warn_rdwr_sizes): Rename...
1239 (pass_waccess::maybe_check_access_sizes): ...to this.
1240 (pass_waccess::check_call): Adjust to name changes.
1241 (pass_waccess::maybe_check_dealloc_call): Make a pass_waccess member
1243 (pass_waccess::execute): Adjust to name changes.
1244 * gimple-ssa-warn-access.h (check_memop_access): Remove.
1245 * pointer-query.cc (access_ref::phi): Handle null pointer.
1246 (access_ref::inform_access): Same.
1247 (pointer_query::put_ref): Modify a cached value, not a copy of it.
1248 (pointer_query::dump): New function.
1249 (compute_objsize_r): Avoid overwriting access_ref::bndrng. Cache
1251 * pointer-query.h (pointer_query::dump): Declare.
1252 * tree-ssa-strlen.c (get_range): Simplify. Use function query.
1253 (dump_strlen_info): Use function query.
1254 (printf_strlen_execute): Factor code out into pointer_query::put_ref.
1256 2021-09-01 Thomas Schwinge <thomas@codesourcery.com>
1258 * tree.c (walk_tree_1) <OMP_CLAUSE>: Simplify.
1260 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
1262 * doc/extend.texi: Document unavailable attribute.
1263 * print-tree.c (print_node): Handle unavailable attribute.
1264 * tree-core.h (struct tree_base): Add a bit to carry unavailability.
1265 * tree.c (error_unavailable_use): New.
1266 * tree.h (TREE_UNAVAILABLE): New.
1267 (error_unavailable_use): New.
1269 2021-09-01 Jakub Jelinek <jakub@redhat.com>
1271 PR tree-optimization/102124
1272 * tree-vect-patterns.c (vect_recog_widen_op_pattern): For ORIG_CODE
1273 MINUS_EXPR, if itype is unsigned with smaller precision than type,
1274 add an extra cast to signed variant of itype to ensure sign-extension.
1276 2021-09-01 Martin Liska <mliska@suse.cz>
1278 * graph.c (draw_cfg_node_succ_edges): Do not color fallthru
1279 edges and rather use colors for TRUE and FALSE edges.
1281 2021-09-01 Richard Biener <rguenther@suse.de>
1283 PR tree-optimization/93491
1284 * tree-ssa-pre.c (compute_avail): Set BB_MAY_NOTRETURN
1285 after processing the stmt itself. Do not consider
1286 pure functions possibly not returning. Properly avoid
1287 adding possibly trapping calls to EXP_GEN when there's
1288 a preceeding possibly not returning call.
1289 * tree-ssa-sccvn.c (vn_reference_may_trap): Conservatively
1292 2021-09-01 Richard Biener <rguenther@suse.de>
1294 PR tree-optimization/102139
1295 * tree-vectorizer.h (vec_base_alignments): Adjust hash-map
1296 type to record a std::pair of the stmt-info and the innermost
1298 (dr_vec_info::group): New member.
1299 * tree-vect-data-refs.c (vect_record_base_alignment): Adjust.
1300 (vect_compute_data_ref_alignment): Verify the recorded
1301 base alignment can be used.
1302 (data_ref_pair): Remove.
1303 (dr_group_sort_cmp): Adjust.
1304 (vect_analyze_data_ref_accesses): Store the group-ID in the
1305 dr_vec_info and operate on a vector of dr_vec_infos.
1307 2021-09-01 YunQiang Su <yunqiang.su@cipunited.com>
1309 * read-md.c (md_reader::handle_enum): support value assignation.
1310 * doc/md.texi: record define_c_enum value assignation support.
1312 2021-09-01 Jakub Jelinek <jakub@redhat.com>
1314 PR tree-optimization/102141
1315 * gimple-ssa-store-merging.c (bswap_view_convert): Add BEFORE
1316 argument. If false, emit stmts after gsi instead of before, and
1318 (bswap_replace): Adjust callers. When converting output of bswap,
1319 emit VIEW_CONVERT prepratation stmts after a copy of gsi instead
1322 2021-09-01 liuhongt <hongtao.liu@intel.com>
1324 * emit-rtl.c (validate_subreg): Get rid of all float-int
1327 2021-09-01 liuhongt <hongtao.liu@intel.com>
1330 2021-08-30 liuhongt <hongtao.liu@intel.com>
1332 * expmed.c (extract_bit_field_1): Make sure we're playing with
1333 integral modes before call extract_integral_bit_field.
1334 (extract_integral_bit_field): Add a parameter of type
1335 scalar_int_mode which corresponds to of tmode.
1336 And call extract_and_convert_fixed_bit_field instead of
1337 extract_fixed_bit_field and convert_extracted_bit_field.
1338 (extract_and_convert_fixed_bit_field): New function, it's a
1339 combination of extract_fixed_bit_field and
1340 convert_extracted_bit_field.
1342 2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
1344 * tree.c (walk_tree_1) <OMP_CLAUSE_TILE>: Handle three operands.
1346 2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
1348 * omp-general.h (omp_is_reference): Rename to...
1349 (omp_privatize_by_reference): ... this. Adjust all users...
1350 * omp-general.c: ... here, ...
1351 * gimplify.c: ... here, ...
1352 * omp-expand.c: ... here, ...
1353 * omp-low.c: ... here.
1355 2021-08-31 Martin Sebor <msebor@redhat.com>
1357 * gimple-ssa-warn-access.cc (maybe_warn_alloc_args_overflow): Test
1358 pointer element for equality to zero, not that of the cotaining
1361 2021-08-31 Martin Sebor <msebor@redhat.com>
1363 * gcc-rich-location.h (gcc_rich_location): Make ctor explicit.
1365 2021-08-31 Martin Sebor <msebor@redhat.com>
1367 * function.h (function): Add comments.
1368 (get_range_query): Same. Add attribute returns nonnull.
1370 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
1372 * expr.c (convert_modes): Don't use subreg_promoted_mode on a
1373 SUBREG if it can't be guaranteed to a SUBREG_PROMOTED_VAR_P set.
1374 Instead use the standard (safer) is_a <scalar_int_mode> idiom.
1376 2021-08-31 Jeff Law <jlaw@localhost.localdomain>
1378 * config.gcc (cris-*-elf, cris-*-none): Remove dbxelf.h from
1380 (m32r-*-elf, m32rle-*-elf, m32r-*-linux): Likewise.
1381 (mn10300-*-*, am33_2.0-*-linux*): Likewise.
1382 (xtensa*-*-elf, xtensa*-*-linux, xtensa*-*-uclinux): Likewise.
1383 (m32c-*-elf*, m32c-*-rtems*): Likewise.
1384 * config/cris/cris.h (DBX_NO_XREFS): Remove.
1385 (DBX_CONTIN_LENGTH, DBX_CONTIN_CHAR): Likewise.
1386 * config/m32r/m32r.h (DBXOUT_SOURCE_LINE): Likewise.
1387 (DBX_DEBUGGING_INFO, DBX_CONTIN_LENGTH): Likewise.
1388 * config/mn10300/mn10300.h (DEFAULT_GDB_EXTENSIONS): Likewise.
1389 * config/mn10300/linux.h (DBX_REGISTER_NAMES): Likewise.
1391 2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
1393 * gimplify.c (gimplify_scan_omp_clauses): Error handling. 'ancestor' only
1394 allowed on target constructs and only with particular other clauses.
1395 * omp-expand.c (expand_omp_target): Output of 'sorry, not supported' if
1397 * omp-low.c (check_omp_nesting_restrictions): Error handling. No nested OpenMP
1398 structs when 'ancestor' is used.
1399 (scan_omp_1_stmt): No usage of OpenMP runtime routines in a target region when
1401 * tree-pretty-print.c (dump_omp_clause): Append 'ancestor'.
1402 * tree.h (OMP_CLAUSE_DEVICE_ANCESTOR): Define macro.
1404 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
1406 * expr.c (convert_modes): Preserve SUBREG_PROMOTED_VAR_P when
1407 creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
1409 * simplify-rtx.c (simplify_unary_operation_1) [SIGN_EXTEND]:
1410 Likewise, preserve SUBREG_PROMOTED_VAR_P when creating a (wider)
1411 partial subreg from a SUBREG_PROMOTED_VAR_P subreg. Generate
1412 SIGN_EXTEND of the SUBREG_REG when a subreg would be paradoxical.
1413 [ZERO_EXTEND]: Likewise, preserve SUBREG_PROMOTED_VAR_P when
1414 creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
1415 subreg. Generate ZERO_EXTEND of the SUBREG_REG when a subreg
1416 would be paradoxical.
1418 2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
1420 * combine.c (combine_simplify_rtx): Avoid converting an explicit
1421 TRUNCATE into a lowpart SUBREG on !TRULY_NOOP_TRUNCATION targets.
1422 * simplify-rtx.c (simplify_unary_operation_1): Likewise.
1424 2021-08-31 Richard Biener <rguenther@suse.de>
1426 PR tree-optimization/102142
1427 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Fix
1428 condition under which to unset the visited flag.
1430 2021-08-31 Richard Biener <rguenther@suse.de>
1432 PR middle-end/102129
1433 * tree-ssa-ter.c (find_replaceable_in_bb): Do not move
1434 possibly trapping expressions across calls.
1436 2021-08-31 Jakub Jelinek <jakub@redhat.com>
1438 PR tree-optimization/102134
1439 * tree-ssa-ccp.c (bit_value_binop) <case RSHIFT_EXPR>: If sgn is
1440 UNSIGNED and r1val | r1mask has MSB set, ensure lzcount doesn't
1443 2021-08-31 Andrew Pinski <apinski@marvell.com>
1446 * collect-utils.c (setup_signals): New declaration.
1447 * collect-utils.h (setup_signals): New function.
1448 * collect2.c (handler): Delete.
1449 (main): Instead of manually setting up the signals,
1450 just call setup_signals.
1451 * lto-wrapper.c (main): Likewise.
1453 2021-08-31 Andrew Pinski <apinski@marvell.com>
1456 * config/i386/i386-protos.h (x86_output_aligned_bss):
1457 Change align argument to unsigned type.
1458 (x86_elf_aligned_decl_common): Likewise.
1459 * config/i386/i386.c (x86_elf_aligned_decl_common): Likewise.
1460 (x86_output_aligned_bss): Likewise.
1462 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
1464 * config/mips/mips.c (mips_module_isa_name): New.
1465 mips_file_start: add .module mipsREV to all asm output
1467 2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
1469 * config/mips/mips.h (struct mips_cpu_info): define enum mips_isa;
1470 use enum instead of int for 'isa' member.
1471 * config.gcc, config/mips/mips.c, config/mips/mips-cpus.def,
1472 config/mips/netbsd.h: replace hardcoded numbers with enum.
1474 2021-08-31 liuhongt <hongtao.liu@intel.com>
1476 * config/i386/sse.md (*<avx512>_ucmp<mode>3_1): Change from
1477 define_split to define_insn_and_split.
1478 (*avx2_eq<mode>3): Removed.
1479 (<avx512>_eq<mode>3<mask_scalar_merge_name>): Adjust pattern
1480 (<avx512>_eq<mode>3<mask_scalar_merge_name>_1): Rename to ..
1481 (*<avx512>_eq<mode>3<mask_scalar_merge_name>_1): .. this, and
1483 (*avx2_gt<mode>3): Removed.
1484 (<avx512>_gt<mode>3<mask_scalar_merge_name>): Change from
1485 define_insn to define_expand, and adjust pattern.
1486 (UNSPEC_MASKED_EQ, UNSPEC_MASKED_GT): Removed.
1488 2021-08-30 David Malcolm <dmalcolm@redhat.com>
1491 * Makefile.in (ANALYZER_OBJS): Add analyzer/call-info.o.
1493 2021-08-30 Jason Merrill <jason@redhat.com>
1495 * doc/invoke.texi: Document -Wmissing-requires.
1497 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
1499 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Remove
1500 TARGET_EXTRA_BUILTINS guard.
1502 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
1504 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Change
1505 initialization of V2DI_type_node and unsigned_V2DI_type_node.
1507 2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
1509 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Use the new
1510 decl when new_builtins_are_live.
1511 * config/rs6000/rs6000-builtin-new.def (__builtin_cfstring): New
1514 2021-08-30 Pat Haugen <pthaugen@linux.ibm.com>
1516 * config/rs6000/rs6000-cpus.def (ISA_3_1_MASKS_SERVER): Add
1517 OPTION_MASK_P10_FUSION_2STORE.
1518 (POWERPC_MASKS): Likewise.
1519 * config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
1520 store fusion for Power10.
1521 (is_fusable_store): New.
1522 (power10_sched_reorder): Likewise.
1523 (rs6000_sched_reorder): Do Power10 specific reordering.
1524 (rs6000_sched_reorder2): Likewise.
1525 * config/rs6000/rs6000.opt: Add new option.
1527 2021-08-30 Richard Biener <rguenther@suse.de>
1529 PR tree-optimization/102128
1530 * tree-vect-slp.c (vect_bb_vectorization_profitable_p):
1531 Move scanning for if-converted scalar code to the caller
1532 and instead delay clearing the visited flag for profitable
1534 (vect_slp_region): Cost all subgraphs before scheduling.
1535 For if-converted BB vectorization scan for scalar COND_EXPRs
1536 and do not vectorize if any found and the cost model is
1539 2021-08-30 Richard Biener <rguenther@suse.de>
1541 * common.opt (fexceptions): Mark
1542 EnabledBy(fnon-call-exceptions).
1543 * doc/invoke.texi (fnon-call-exceptions): Document this
1544 enables -fexceptions.
1546 2021-08-30 Sebastian Huber <sebastian.huber@embedded-brains.de>
1548 * tsystem.h (abort): Define abort() if inhibit_libc is defined and it
1549 is not already defined.
1551 2021-08-30 liuhongt <hongtao.liu@intel.com>
1553 * expmed.c (extract_bit_field_1): Make sure we're playing with
1554 integral modes before call extract_integral_bit_field.
1555 (extract_integral_bit_field): Add a parameter of type
1556 scalar_int_mode which corresponds to of tmode.
1557 And call extract_and_convert_fixed_bit_field instead of
1558 extract_fixed_bit_field and convert_extracted_bit_field.
1559 (extract_and_convert_fixed_bit_field): New function, it's a
1560 combination of extract_fixed_bit_field and
1561 convert_extracted_bit_field.
1563 2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
1565 * config/darwin.c (darwin_libc_has_function): Do not run
1566 the checks for x86 or modern Darwin. Make sure that there
1567 is a value set for darwin_macosx_version_min before testing.
1569 2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
1571 * config/i386/darwin.h (CLEAR_INSN_CACHE): New.
1573 2021-08-28 Jan Hubicka <hubicka@ucw.cz>
1575 * ipa-modref-tree.h (modref_access_node::merge): Break out
1576 logic combining offsets and logic merging ranges to ...
1577 (modref_access_node::combined_offsets): ... here
1578 (modref_access_node::update2): ... here
1579 (modref_access_node::closer_pair_p): New member function.
1580 (modref_access_node::forced_merge): New member function.
1581 (modre_ref_node::insert): Do merging when table is full.
1583 2021-08-28 YunQiang Su <yunqiang.su@cipunited.com>
1586 * config.gcc: MIPS: use N64 ABI by default if the triple end
1587 with -gnuabi64, which is used by Debian since 2013.
1589 2021-08-28 Alexandre Oliva <oliva@adacore.com>
1591 * ipa-modref.c (analyze_function): Skip debug stmts.
1592 * tree-inline.c (estimate_num_insn): Consider builtins even
1593 without a cgraph_node.
1595 2021-08-27 Jeff Law <jlaw@localhost.localdomain>
1597 * config/h8300/bitfield.md (cstore<mode>4): Remove expander.
1598 * config/h8300/h8300.c (h8300_expand_branch): Remove function.
1599 * config/h8300/h8300-protos.h (h8300_expadn_branch): Remove prototype.
1600 * config/h8300/h8300.md (eqne): New code iterator.
1601 (geultu, geultu_to_c): Similarly.
1602 * config/h8300/testcompare.md (cstore<mode>4): Dummy expander.
1603 (store_c_<mode>, store_c_i_<mode>): New define_insn_and_splits
1604 (cmp<mode>_c): New pattern
1606 2021-08-27 Jeff Law <jlaw@localhost.localdomain>
1608 * tree-ssa-dom.c (reduce_vector_comparison_to_scalar_comparison): New
1610 (dom_opt_dom_walker::optimize_stmt): Use it.
1612 2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
1614 * config/darwin.c (finalize_ctors): Add a section-start linker-
1616 (finalize_dtors): Likewise.
1617 * config/darwin.h (MIN_LD64_INIT_TERM_START_LABELS): New.
1619 2021-08-27 Bill Schmidt <wschmidt@linux.ibm.com>
1621 * config/rs6000/rs6000-call.c (rs6000-builtins.h): New #include.
1622 (rs6000_init_builtins): Call rs6000_init_generated_builtins. Skip the
1623 old initialization logic when new builtins are enabled.
1624 * config/rs6000/rs6000-gen-builtins.c (write_decls): Rename
1625 rs6000_autoinit_builtins to rs6000_init_generated_builtins.
1626 (write_init_file): Likewise.
1628 2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
1630 * configure.ac (darwin2[[0-9]]* | darwin19*): Alter use of
1631 gcc_GAS_CHECK_FEATURE to remove an extraneous parameter.
1632 (amdgcn-* | gcn-*) Likewise.
1634 2021-08-27 Anthony Sharp <anthonysharp15@gmail.com>
1636 * symbol-summary.h: Added missing template keyword.
1638 2021-08-27 Richard Biener <rguenther@suse.de>
1640 PR tree-optimization/45178
1641 * tree-ssa-dce.c (find_obviously_necessary_stmts): For
1642 infinite loops without exit do not mark control dependent
1643 edges of the latch necessary.
1645 2021-08-27 konglin1 <lingling.kong@intel.com>
1648 * config/i386/sse.md: (<avx512>scattersi<mode>): Add mask operand to
1650 (<avx512>scattersi<mode>): Likewise.
1651 (*avx512f_scattersi<VI48F:mode>): Merge mask operand to set_dest.
1652 (*avx512f_scatterdi<VI48F:mode>): Likewise
1654 2021-08-27 Kewen Lin <linkw@linux.ibm.com>
1656 * config/rs6000/rs6000.c (rs6000_builtin_md_vectorized_function): Add
1657 support for built-in functions MISC_BUILTIN_DIVWE, MISC_BUILTIN_DIVWEU,
1658 MISC_BUILTIN_DIVDE, MISC_BUILTIN_DIVDEU, P10_BUILTIN_CFUGED,
1659 P10_BUILTIN_CNTLZDM, P10_BUILTIN_CNTTZDM, P10_BUILTIN_PDEPD and
1660 P10_BUILTIN_PEXTD on Power10.
1662 2021-08-27 Kewen Lin <linkw@linux.ibm.com>
1664 * config/rs6000/rs6000-call.c (builtin_function_type): Add unsigned
1665 signedness for some Power10 bifs.
1667 2021-08-27 David Edelsohn <dje.gcc@gmail.com>
1670 * config/rs6000/rs6000.c (rs6000_adjust_field_align): Use
1671 computed alignment if the entire struct has attribute packed.
1673 2021-08-27 liuhongt <hongtao.liu@intel.com>
1677 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
1678 IX86_BUILTIN_SHUFPD512, IX86_BUILTIN_SHUFPS512,
1679 IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS,
1680 IX86_BUILTIN_SHUFPS256.
1681 (ix86_masked_all_ones): New function.
1683 2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
1685 * config/i386/i386.md (*btr<mode>_1): Call force_reg unconditionally.
1686 (conditional moves with memory inputs splitters): Ditto.
1687 * config/i386/sse.md (one_cmpl<mode>2): Simplify.
1689 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
1691 * ipa-modref-tree.h (modref_access_node::try_merge_with): Restart
1692 search after merging.
1694 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
1696 * config/rs6000/rs6000-overload.def: Add remaining overloads.
1698 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
1700 * config/rs6000/rs6000-builtin-new.def: Add cell stanza.
1702 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
1704 * config/rs6000/rs6000-builtin-new.def: Add ieee128-hw, dfp,
1705 crypto, and htm stanzas.
1707 2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
1709 * config/rs6000/rs6000-builtin-new.def: Add mma stanza.
1711 2021-08-26 Martin Sebor <msebor@redhat.com>
1713 * tree-ssa-uninit.c (warn_uninit): Refactor and simplify.
1714 (warn_uninit_phi_uses): Remove argument from calls to warn_uninit.
1715 (warn_uninitialized_vars): Same. Reduce visibility of locals.
1716 (warn_uninitialized_phi): Same.
1718 2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
1720 * tree-ssa-ccp.c (get_individual_bits): Helper function to
1721 extract the individual bits from a widest_int constant (mask).
1722 (gray_code_bit_flips): New read-only table for effiently
1723 enumerating permutations/combinations of bits.
1724 (bit_value_binop) [LROTATE_EXPR, RROTATE_EXPR]: Handle rotates
1725 by unknown counts that are guaranteed less than the target
1726 precision and four or fewer unknown bits by enumeration.
1727 [LSHIFT_EXPR, RSHIFT_EXPR]: Likewise, also handle shifts by
1728 enumeration under the same conditions. Handle remaining
1729 shifts as a mask based upon the minimum possible shift value.
1731 2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
1732 Richard Biener <rguenther@suse.de>
1734 * match.pd (shift transformations): Remove a redundant
1735 !POINTER_TYPE_P check.
1737 2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
1740 * config/i386/i386.md (cmove reg-reg move elimination peephole2s):
1741 Set all_regs to true in the call to replace_rtx.
1743 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
1745 * ipa-modref-tree.c (test_insert_search_collapse): Update test.
1746 * ipa-modref-tree.h (modref_base_node::insert): Be smarter when
1747 hiting --param modref-max-refs limit.
1748 (modref_tree:insert_base): Be smarter when hitting
1749 --param modref-max-bases limit. Add new parameter REF.
1750 (modref_tree:insert): Update.
1751 (modref_tree:merge): Update.
1752 * ipa-modref.c (read_modref_records): Update.
1754 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
1756 * params.opt: (modref-max-adjustments): Add full stop.
1758 2021-08-26 Jan Hubicka <hubicka@ucw.cz>
1760 * ipa-modref-tree.h (modref_ref_node::verify): New member
1762 (modref_ref_node::insert): Use it.
1763 (modref_ref_node::try_mere_with): Fix off by one error.
1765 2021-08-26 Martin Liska <mliska@suse.cz>
1766 Stefan Kneifel <stefan.kneifel@bluewin.ch>
1768 * cgraph.h (create_version_clone_with_body): Add new parameter.
1769 * cgraphclones.c: Likewise.
1770 * multiple_target.c (create_dispatcher_calls): Do not use
1772 (create_target_clone): Likewise here.
1774 2021-08-26 Jonathan Yong <10walls@gmail.com>
1776 * doc/extend.texi: Add note about reserved priorities
1777 to the constructor attribute.
1779 2021-08-25 Martin Sebor <msebor@redhat.com>
1781 * gimple-range-cache.cc (ssa_global_cache::dump): Avoid printing
1782 range table header alone.
1783 * gimple-range.cc (gimple_ranger::export_global_ranges): Same.
1785 2021-08-25 Jan Hubicka <hubicka@ucw.cz>
1787 * doc/invoke.texi: Document --param modref-max-adjustments.
1788 * ipa-modref-tree.c (test_insert_search_collapse): Update.
1789 (test_merge): Update.
1790 * ipa-modref-tree.h (struct modref_access_node): Add adjustments;
1791 (modref_access_node::operator==): Fix handling of access ranges.
1792 (modref_access_node::contains): Constify parameter; handle also
1793 mismatched parm offsets.
1794 (modref_access_node::update): New function.
1795 (modref_access_node::merge): New function.
1796 (unspecified_modref_access_node): Update constructor.
1797 (modref_ref_node::insert_access): Add record_adjustments parameter;
1799 (modref_ref_node::try_merge_with): New private function.
1800 (modref_tree::insert): New record_adjustments parameter.
1801 (modref_tree::merge): New record_adjustments parameter.
1802 (modref_tree::copy_from): Update.
1803 * ipa-modref.c (dump_access): Dump adjustments field.
1804 (get_access): Update constructor.
1805 (record_access): Update call of insert.
1806 (record_access_lto): Update call of insert.
1807 (merge_call_side_effects): Add record_adjustments parameter.
1808 (get_access_for_fnspec): Update.
1809 (process_fnspec): Update.
1810 (analyze_call): Update.
1811 (analyze_function): Update.
1812 (read_modref_records): Update.
1813 (ipa_merge_modref_summary_after_inlining): Update.
1814 (propagate_unknown_call): Update.
1815 (modref_propagate_in_scc): Update.
1816 * params.opt (param-max-modref-adjustments=): New.
1818 2021-08-25 Michael Meissner <meissner@linux.ibm.com>
1820 * config/rs6000/vsx.md (UNSPEC_XXSPLTIDP): Rename from
1822 (xxspltiw_v4si): Use vecperm type attribute.
1823 (xxspltiw_v4si_inst): Use vecperm type attribute.
1824 (xxspltiw_v4sf_inst): Likewise.
1825 (xxspltidp_v2df): Use vecperm type attribute. Use
1826 UNSPEC_XXSPLTIDP instead of UNSPEC_XXSPLTID.
1827 (xxspltidp_v2df_inst): Likewise.
1828 (xxsplti32dx_v4si): Use vecperm type attribute.
1829 (xxsplti32dx_v4si_inst): Likewise.
1830 (xxsplti32dx_v4sf_inst): Likewise.
1831 (xxblend_<mode>): Likewise.
1832 (xxpermx): Likewise.
1833 (xxpermx_inst): Likewise.
1836 2021-08-25 Lewis Hyatt <lhyatt@gmail.com>
1839 * coretypes.h (typedef diagnostic_input_charset_callback): Declare.
1840 * diagnostic.c (diagnostic_initialize_input_context): New function.
1841 * diagnostic.h (diagnostic_initialize_input_context): Declare.
1842 * input.c (default_charset_callback): New function.
1843 (file_cache::initialize_input_context): New function.
1844 (file_cache_slot::create): Added ability to convert the input
1845 according to the input context.
1846 (file_cache::file_cache): Initialize the new input context.
1847 (class file_cache_slot): Added new m_alloc_offset member.
1848 (file_cache_slot::file_cache_slot): Initialize the new member.
1849 (file_cache_slot::~file_cache_slot): Handle potentially offset buffer.
1850 (file_cache_slot::maybe_grow): Likewise.
1851 (file_cache_slot::needs_read_p): Handle NULL fp, which is now possible.
1852 (file_cache_slot::get_next_line): Likewise.
1853 * input.h (class file_cache): Added input context member.
1855 2021-08-25 Richard Biener <rguenther@suse.de>
1857 PR tree-optimization/102046
1858 * tree-vect-slp.c (vect_build_slp_tree_2): Conservatively
1859 update ->any_pattern when swapping operands.
1861 2021-08-25 Hongyu Wang <hongyu.wang@intel.com>
1864 * config/i386/i386.c (ix86_live_on_entry): Adjust comment.
1865 (ix86_decompose_address): Remove retval check for ASHIFT,
1866 allow non-canonical zero extend if AND mask covers ASHIFT
1868 (ix86_legitimate_address_p): Adjust condition for decompose.
1869 (ix86_rtx_costs): Adjust cost for lea with non-canonical
1871 Co-Authored by: Uros Bizjak <ubizjak@gmail.com>
1873 2021-08-25 Jiufu Guo <guojiufu@linux.ibm.com>
1875 PR tree-optimization/101145
1876 * tree-ssa-loop-niter.c (number_of_iterations_until_wrap):
1878 (number_of_iterations_lt): Invoke above function.
1879 (adjust_cond_for_loop_until_wrap):
1880 Merge to number_of_iterations_until_wrap.
1881 (number_of_iterations_cond): Update invokes for
1882 adjust_cond_for_loop_until_wrap and number_of_iterations_lt.
1884 2021-08-25 konglin1 <lingling.kong@intel.com>
1887 * config/i386/avx512dqintrin.h (_mm512_fpclass_ps_mask): Fix
1889 (_mm512_mask_fpclass_ps_mask): Ditto.
1891 2021-08-25 Kewen Lin <linkw@linux.ibm.com>
1893 * config/rs6000/altivec.md (vec_unpacku_hi_v16qi): Remove.
1894 (vec_unpacku_hi_v8hi): Likewise.
1895 (vec_unpacku_lo_v16qi): Likewise.
1896 (vec_unpacku_lo_v8hi): Likewise.
1897 (vec_unpacku_hi_<VP_small_lc>): New define_expand.
1898 (vec_unpacku_lo_<VP_small_lc>): Likewise.
1900 2021-08-24 David Edelsohn <dje.gcc@gmail.com>
1902 * config/rs6000/aix.h (SYSTEM_IMPLICIT_EXTERN_C): Delete.
1903 * config/rs6000/aix71.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
1904 * config/rs6000/aix72.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
1905 * config/rs6000/aix73.h (TARGET_AIX_VERSION): Increase to 73.
1907 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
1909 PR middle-end/102031
1910 * simplify-rtx.c (simplify_truncation): When comparing precisions
1911 use "subreg_prec" variable, not "subreg_mode".
1913 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
1915 * config/rs6000/rs6000-builtin-new.def: Add power10 and power10-64
1918 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
1920 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Initialize
1921 various pointer type nodes.
1922 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add enum
1923 values for various pointer types.
1924 (ptr_V16QI_type_node): New macro.
1925 (ptr_V1TI_type_node): New macro.
1926 (ptr_V2DI_type_node): New macro.
1927 (ptr_V2DF_type_node): New macro.
1928 (ptr_V4SI_type_node): New macro.
1929 (ptr_V4SF_type_node): New macro.
1930 (ptr_V8HI_type_node): New macro.
1931 (ptr_unsigned_V16QI_type_node): New macro.
1932 (ptr_unsigned_V1TI_type_node): New macro.
1933 (ptr_unsigned_V8HI_type_node): New macro.
1934 (ptr_unsigned_V4SI_type_node): New macro.
1935 (ptr_unsigned_V2DI_type_node): New macro.
1936 (ptr_bool_V16QI_type_node): New macro.
1937 (ptr_bool_V8HI_type_node): New macro.
1938 (ptr_bool_V4SI_type_node): New macro.
1939 (ptr_bool_V2DI_type_node): New macro.
1940 (ptr_bool_V1TI_type_node): New macro.
1941 (ptr_pixel_type_node): New macro.
1942 (ptr_intQI_type_node): New macro.
1943 (ptr_uintQI_type_node): New macro.
1944 (ptr_intHI_type_node): New macro.
1945 (ptr_uintHI_type_node): New macro.
1946 (ptr_intSI_type_node): New macro.
1947 (ptr_uintSI_type_node): New macro.
1948 (ptr_intDI_type_node): New macro.
1949 (ptr_uintDI_type_node): New macro.
1950 (ptr_intTI_type_node): New macro.
1951 (ptr_uintTI_type_node): New macro.
1952 (ptr_long_integer_type_node): New macro.
1953 (ptr_long_unsigned_type_node): New macro.
1954 (ptr_float_type_node): New macro.
1955 (ptr_double_type_node): New macro.
1956 (ptr_long_double_type_node): New macro.
1957 (ptr_dfloat64_type_node): New macro.
1958 (ptr_dfloat128_type_node): New macro.
1959 (ptr_ieee128_type_node): New macro.
1960 (ptr_ibm128_type_node): New macro.
1961 (ptr_vector_pair_type_node): New macro.
1962 (ptr_vector_quad_type_node): New macro.
1963 (ptr_long_long_integer_type_node): New macro.
1964 (ptr_long_long_unsigned_type_node): New macro.
1966 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
1968 * config/rs6000/rs6000-builtin-new.def: Add power9-vector, power9,
1969 and power9-64 stanzas.
1971 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
1972 Tom de Vries <tdevries@suse.de>
1974 * config.gcc (nvptx-*-*): Define {c,c++}_target_objs.
1975 * config/nvptx/nvptx-protos.h (nvptx_cpu_cpp_builtins): Prototype.
1976 * config/nvptx/nvptx.h (TARGET_CPU_CPP_BUILTINS): Implement with
1977 a call to the new nvptx_cpu_cpp_builtins function in nvptx-c.c.
1978 * config/nvptx/t-nvptx (nvptx-c.o): New rule.
1979 * config/nvptx/nvptx-c.c: New source file.
1980 (nvptx_cpu_cpp_builtins): Move implementation here.
1982 2021-08-24 Martin Sebor <msebor@redhat.com>
1984 PR middle-end/101600
1985 PR middle-end/101977
1986 * gimple-ssa-warn-access.cc (maybe_warn_for_bound): Tighten up
1987 the phrasing of a warning.
1988 (check_access): Use the remaining size after subtracting any offset
1989 rather than the whole object size.
1990 * pointer-query.cc (access_ref::get_ref): Clear BASE0 flag if it's
1991 clear for any nonnull PHI argument.
1992 (compute_objsize): Clear argument.
1994 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
1996 * config/rs6000/rs6000-builtin-new.def: Add power8-vector stanza.
1998 2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
2000 * config/rs6000/rs6000-builtin-new.def: Add power7 and power7-64
2003 2021-08-24 Andrew MacLeod <amacleod@redhat.com>
2005 * value-relation.cc (rr_transitive_table): New.
2006 (relation_transitive): New.
2007 (value_relation::swap): Remove.
2008 (value_relation::apply_transitive): New.
2009 (relation_oracle::relation_oracle): Allocate a new tmp bitmap.
2010 (relation_oracle::register_relation): Call register_transitives.
2011 (relation_oracle::register_transitives): New.
2012 * value-relation.h (relation_oracle): Add new temporary bitmap and
2015 2021-08-24 H.J. Lu <hjl.tools@gmail.com>
2018 * config/i386/i386-expand.c (ix86_expand_vector_move): Broadcast
2019 from integer to a pseudo vector register.
2021 2021-08-24 Richard Biener <rguenther@suse.de>
2023 PR tree-optimization/100089
2024 * tree-vectorizer.h (vect_slp_bb): Rename to ...
2025 (vect_slp_if_converted_bb): ... this and get the original
2026 loop as new argument.
2027 * tree-vectorizer.c (try_vectorize_loop_1): Revert previous fix,
2028 pass original loop to vect_slp_if_converted_bb.
2029 * tree-vect-slp.c (vect_bb_vectorization_profitable_p):
2030 If orig_loop was passed scan the not vectorized stmts
2031 for COND_EXPRs and force not profitable if found.
2032 (vect_slp_region): Pass down all SLP instances to costing
2033 if orig_loop was specified.
2034 (vect_slp_bbs): Pass through orig_loop.
2035 (vect_slp_bb): Rename to ...
2036 (vect_slp_if_converted_bb): ... this and get the original
2037 loop as new argument.
2038 (vect_slp_function): Adjust.
2040 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
2043 * config/arm/arm.md (attribute arch): Add fix_vlldm.
2044 (arch_enabled): Use it.
2045 * config/arm/vfp.md (lazy_store_multiple_insn): Add alternative to
2046 use when erratum mitigation is needed.
2048 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
2051 * config/arm/arm.opt (mfix-cmse-cve-2021-35465): New option.
2052 * doc/invoke.texi (Arm Options): Document it.
2053 * config/arm/arm-cpus.in (quirk_vlldm): New feature bit.
2054 (ALL_QUIRKS): Add quirk_vlldm.
2055 (cortex-m33): Add quirk_vlldm.
2056 (cortex-m35p, cortex-m55): Likewise.
2057 * config/arm/arm.c (arm_option_override): Enable fix_vlldm if
2058 targetting an affected CPU and not explicitly controlled on
2061 2021-08-24 Richard Earnshaw <rearnsha@arm.com>
2063 * config/arm/vfp.md (lazy_store_multiple_insn): Rewrite as valid RTL.
2064 (lazy_load_multiple_insn): Likewise.
2066 2021-08-24 liuhongt <hongtao.liu@intel.com>
2069 * config/i386/sse.md (<avx512>_vternlog<mode><sd_maskz_name>):
2070 Enable avx512 embedded broadcast.
2071 (*<avx512>_vternlog<mode>_all): Ditto.
2072 (<avx512>_vternlog<mode>_mask): Ditto.
2074 2021-08-24 liuhongt <hongtao.liu@intel.com>
2077 * config/i386/i386.c (ix86_rtx_costs): Define cost for
2079 * config/i386/i386.h (STRIP_UNARY): New macro.
2080 * config/i386/predicates.md (reg_or_notreg_operand): New
2082 * config/i386/sse.md (*<avx512>_vternlog<mode>_all): New define_insn.
2083 (*<avx512>_vternlog<mode>_1): New pre_reload
2084 define_insn_and_split.
2085 (*<avx512>_vternlog<mode>_2): Ditto.
2086 (*<avx512>_vternlog<mode>_3): Ditto.
2087 (any_logic1,any_logic2): New code iterator.
2088 (logic_op): New code attribute.
2089 (ternlogsuffix): Extend to VNxDF and VNxSF.
2091 2021-08-24 Richard Biener <rguenther@suse.de>
2093 * doc/invoke.texi (vect-inner-loop-cost-factor): Adjust.
2094 * params.opt (--param vect-inner-loop-cost-factor): Adjust
2096 * tree-vect-loop.c (vect_analyze_loop_form): Initialize
2097 inner_loop_cost_factor to the minimum of the estimated number
2098 of iterations of the inner loop and vect-inner-loop-cost-factor.
2100 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
2101 Richard Biener <rguenther@suse.de>
2103 * config/i386/i386-features.c (compute_convert_gain): Provide
2104 more accurate values for CONST_INT, when optimizing for size.
2105 * config/i386/i386.c (COSTS_N_BYTES): Move definition from here...
2106 * config/i386/i386.h (COSTS_N_BYTES): to here.
2108 2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
2109 Jakub Jelinek <jakub@redhat.com>
2111 PR middle-end/102029
2112 * match.pd (shift transformations): Add an additional check for
2113 !POINTER_TYPE_P in the recently added left shift transformation.
2115 2021-08-24 liuhongt <hongtao.liu@intel.com>
2117 PR tree-optimization/100089
2118 * tree-vectorizer.c (try_vectorize_loop_1): Disable slp in
2119 loop vectorizer when cost model is very-cheap.
2121 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
2123 * config/rs6000/rs6000-gen-builtins.c (parse_bif_entry): Don't call
2124 asprintf, which is not available on AIX.
2126 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
2128 * config.gcc (target_gtfiles): Add ./rs6000-builtins.h.
2129 * config/rs6000/t-rs6000 (EXTRA_GTYPE_DEPS): Set.
2131 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
2133 * config.gcc (powerpc*-*-*): Add rs6000-builtins.o to extra_objs.
2134 * config/rs6000/rs6000-gen-builtins.c (main): Close init_file
2136 * config/rs6000/t-rs6000 (rs6000-gen-builtins.o): New target.
2137 (rbtree.o): Likewise.
2138 (rs6000-gen-builtins): Likewise.
2139 (rs6000-builtins.c): Likewise.
2140 (rs6000-builtins.h): Likewise.
2141 (rs6000.o): Add dependency.
2142 (EXTRA_HEADERS): Add rs6000-vecdefines.h.
2143 (rs6000-vecdefines.h): New target.
2144 (rs6000-builtins.o): Likewise.
2145 (rs6000-call.o): Add rs6000-builtins.h as a dependency.
2146 (rs6000-c.o): Likewise.
2148 2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
2151 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace):
2152 Diagnose buffer overrun.
2153 (safe_inc_pos): Fix overrun detection.
2154 (match_identifier): Diagnose buffer overrun.
2155 (match_integer): Likewise.
2156 (match_to_right_bracket): Likewise.
2158 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
2160 * ipa-modref-tree.h (modref_access_node::range_info_useful_p):
2161 Improve range compare.
2162 (modref_access_node::contains): New member function.
2163 (modref_access_node::search): Remove.
2164 (modref_access_node::insert): Be smarter about subaccesses.
2166 2021-08-23 Thomas Schwinge <thomas@codesourcery.com>
2168 * config/i386/i386-options.c (ix86_omp_device_kind_arch_isa)
2169 <omp_device_arch> [ACCEL_COMPILER]: Match "intel_mic".
2170 * config/i386/t-omp-device (omp-device-properties-i386) <arch>:
2173 2021-08-23 Jeff Law <jlaw@localhost.localdomain>
2175 * config/h8300/h8300-protos.h (h8300_expand_epilogue): Add new
2177 * config/h8300/jumpcall.md (call, call_value): Restrict to
2178 !SIBLING_CALL_P cases.
2179 (subcall, sibcall_value): New patterns & expanders.
2180 * config/h8300/proepi.md (epilogue): Pass new argument to
2181 h8300_expand_epilogue.
2182 (sibcall_epilogue): New expander.
2183 * config/h8300/h8300.c (h8300_expand_epilogue): Handle sibcall
2185 (h8300_ok_for_sibcall_p): New function.
2186 (TARGET_FUNCTION_OK_FOR_SIBCALL): define.
2188 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
2190 * simplify-rtx.c (simplify_unary_operation_1): [TRUNCATE]:
2191 Handle case where the operand is already the desired mode.
2193 2021-08-23 Richard Biener <rguenther@suse.de>
2196 * tree-ssa-structalias.c (ipa_pta_execute): Check in_other_partition
2197 in addition to has_gimple_body.
2199 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
2201 PR middle-end/101949
2202 * ipa-modref.c (analyze_ssa_name_flags): Fix merging of
2205 2021-08-23 Martin Liska <mliska@suse.cz>
2207 * doc/invoke.texi: Put the option out of -mxl-mode-app-model
2210 2021-08-23 Richard Biener <rguenther@suse.de>
2212 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
2213 Properly scale the inner loop cost only once.
2215 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
2217 * tree-ssa-ccp.c (bit_value_binop) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]:
2218 Provide bounds for unsigned (and signed with non-negative operands)
2219 division and modulus.
2221 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
2223 * simplify-rtx.c (simplify_truncation): Generalize simplification
2224 of (truncate:A (subreg:B X)).
2225 (simplify_unary_operation_1) [FLOAT_TRUNCATE, FLOAT_EXTEND,
2226 SIGN_EXTEND, ZERO_EXTEND]: Handle cases where the operand
2227 already has the desired machine mode.
2228 (test_scalar_int_ops): Add tests that useless extensions and
2229 truncations are optimized away.
2230 (test_scalar_int_ext_ops): New self-test function to confirm
2231 that truncations of extensions are correctly simplified.
2232 (test_scalar_int_ext_ops2): New self-test function to check
2233 truncations of truncations, extensions of extensions, and
2234 truncations of extensions.
2235 (test_scalar_ops): Call the above two functions with a
2236 representative sampling of integer machine modes.
2238 2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
2240 * match.pd (shift transformations): Change the sign of an
2241 LSHIFT_EXPR if it reduces the number of explicit conversions.
2243 2021-08-23 Jakub Jelinek <jakub@redhat.com>
2245 PR tree-optimization/86723
2246 * gimple-ssa-store-merging.c (find_bswap_or_nop_finalize): Add
2247 cast64_to_32 argument, set *cast64_to_32 to false, unless n is
2248 non-memory permutation of 64-bit src which only has bytes of
2249 0 or [5..8] and n->range is 4.
2250 (find_bswap_or_nop): Add cast64_to_32 and mask arguments, adjust
2251 find_bswap_or_nop_finalize caller, support bswap with some bytes
2252 zeroed, as long as at least two bytes are not zeroed.
2253 (bswap_replace): Add mask argument and handle masking of bswap
2255 (maybe_optimize_vector_constructor): Adjust find_bswap_or_nop
2256 caller, punt if cast64_to_32 or mask is not all ones.
2257 (pass_optimize_bswap::execute): Adjust find_bswap_or_nop_finalize
2258 caller, for now punt if cast64_to_32.
2260 2021-08-23 Richard Biener <rguenther@suse.de>
2262 PR tree-optimization/79334
2263 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
2264 a type also for COMPONENT_REFs.
2265 (vn_reference_may_trap): Check ARRAY_REF with constant index
2266 against the array domain.
2268 2021-08-23 liuhongt <hongtao.liu@intel.com>
2271 * config/i386/sse.md (*avx512f_pshufb_truncv8hiv8qi_1): Add
2272 TARGET_AVX512BW to condition.
2274 2021-08-23 Jakub Jelinek <jakub@redhat.com>
2277 * dwarf2out.c (gen_variable_die): Add DW_AT_location for global
2278 register variables already during early_dwarf if possible.
2280 2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
2282 * config/arm/arm_mve.h: Fix __arm_vctp16q return type.
2284 2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
2287 * config/arm/arm.opt: Fix typo.
2288 * config/arm/t-rmprofile: Fix typo.
2290 2021-08-23 Jakub Jelinek <jakub@redhat.com>
2292 * tree.h (OMP_CLAUSE_GRAINSIZE_STRICT): Define.
2293 (OMP_CLAUSE_NUM_TASKS_STRICT): Define.
2294 * tree-pretty-print.c (dump_omp_clause) <case OMP_CLAUSE_GRAINSIZE,
2295 case OMP_CLAUSE_NUM_TASKS>: Print strict: modifier.
2296 * omp-expand.c (expand_task_call): Use GOMP_TASK_FLAG_STRICT in iflags
2297 if either grainsize or num_tasks clause has the strict modifier.
2299 2021-08-23 Martin Liska <mliska@suse.cz>
2301 * dbgcnt.def (DEBUG_COUNTER): New counter.
2302 * gimple.c (gimple_call_arg_flags): Use it in IPA PTA.
2304 2021-08-23 Jan Hubicka <hubicka@ucw.cz>
2306 * ipa-modref.c (analyze_ssa_name_flags): Improve handling of return slot.
2308 2021-08-23 Xi Ruoyao <xry111@mengyan1223.wang>
2311 * config/mips/mips-protos.h (mips_msa_output_shift_immediate):
2313 * config/mips/mips.c (mips_msa_output_shift_immediate): New
2315 * config/mips/mips-msa.md (vashl<mode>3, vashr<mode>3,
2316 vlshr<mode>3): Call it.
2318 2021-08-22 Jan Hubicka <hubicka@ucw.cz>
2319 Martin Liska <mliska@suse.cz>
2321 PR middle-end/101949
2322 * ipa-modref.c (analyze_ssa_name_flags): Indirect call implies
2325 2021-08-21 Dragan Mladjenovic <OT_Dragan.Mladjenovic@mediatek.com>
2327 * config/mips/mips.c (mips_function_rodata_section,
2328 TARGET_ASM_FUNCTION_RODATA_SECTION): Removed.
2330 2021-08-21 John David Anglin <danglin@gcc.gnu.org>
2332 * config/pa/pa.c (pa_asm_output_aligned_common): Remove warning.
2334 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2336 * configure.ac (thread-local storage support): Remove tls_first_major
2337 and tls_first_minor. Use "$conftest_s" to check support.
2338 * configure: Regenerate.
2340 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2342 * configure.ac: Fixup formatting.
2344 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2346 * acinclude.m4 (gcc_GAS_CHECK_FEATURE): Remove third argument and ...
2347 * configure.ac: ... update all callers.
2349 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2352 * acinclude.m4 (_gcc_COMPUTE_GAS_VERSION, _gcc_GAS_VERSION_GTE_IFELSE)
2353 (gcc_GAS_VERSION_GTE_IFELSE): Remove.
2354 (gcc_GAS_CHECK_FEATURE): Do not handle in-tree case specially.
2355 * configure.ac: Remove gcc_cv_gas_major_version, gcc_cv_gas_minor_version.
2356 Remove remaining checks for in-tree assembler.
2357 * configure: Regenerate.
2359 2021-08-20 Jeff Law <jlaw@localhost.localdomain>
2361 * config/h8300/h8300.c (shift_alg_hi): Improve arithmetic shift right
2362 by 15 bits for H8/300H and H8/S. Improve logical shifts by 12
2364 (shift_alg_si): Improve arithmetic right shift by 28-30 bits for
2365 H8/300H. Improve arithmetic shift right by 15 bits for H8/S.
2366 Improve logical shifts by 27 bits for H8/S.
2367 (get_shift_alg): Corresponding changes.
2368 (h8300_option_override): Revert to loops for -Os when profitable.
2370 2021-08-20 Richard Biener <rguenther@suse.de>
2372 * tree-vect-data-refs.c (dr_group_sort_cmp): Do not compare
2374 (vect_analyze_data_ref_accesses): Likewise. Assign the BB
2375 index as group_id when dataref_groups were not computed.
2376 * tree-vect-slp.c (vect_slp_bbs): Bump current_group when
2377 we advace to the next BB.
2379 2021-08-20 Jakub Jelinek <jakub@redhat.com>
2381 * omp-builtins.def (BUILT_IN_GOMP_WARNING, BUILT_IN_GOMP_ERROR): New
2384 2021-08-20 Martin Liska <mliska@suse.cz>
2386 PR gcov-profile/89961
2387 * gcov.c (make_gcov_file_name): Rewrite using std::string.
2388 (mangle_name): Simplify, do not used the second argument.
2389 (strip_extention): New function.
2390 (get_md5sum): Likewise.
2391 (get_gcov_intermediate_filename): Handle properly -p and -x
2393 (output_gcov_file): Use string type.
2394 (generate_results): Likewise.
2395 (md5sum_to_hex): Remove.
2397 2021-08-20 Michael Meissner <meissner@linux.ibm.com>
2399 * config/rs6000/altivec.md (UNSPEC_XXEVAL): Move to vsx.md.
2400 (UNSPEC_XXSPLTIW): Move to vsx.md.
2401 (UNSPEC_XXSPLTID): Move to vsx.md.
2402 (UNSPEC_XXSPLTI32DX): Move to vsx.md.
2403 (UNSPEC_XXBLEND): Move to vsx.md.
2404 (UNSPEC_XXPERMX): Move to vsx.md.
2405 (VM3): Move to vsx.md.
2406 (VM3_char): Move to vsx.md.
2407 (xxspltiw_v4si): Move to vsx.md.
2408 (xxspltiw_v4sf): Move to vsx.md.
2409 (xxspltiw_v4sf_inst): Move to vsx.md.
2410 (xxspltidp_v2df): Move to vsx.md.
2411 (xxspltidp_v2df_inst): Move to vsx.md.
2412 (xxsplti32dx_v4si_inst): Move to vsx.md.
2413 (xxsplti32dx_v4sf): Move to vsx.md.
2414 (xxsplti32dx_v4sf_inst): Move to vsx.md.
2415 (xxblend_<mode>): Move to vsx.md.
2416 (xxpermx): Move to vsx.md.
2417 (xxpermx_inst): Move to vsx.md.
2418 * config/rs6000/vsx.md (UNSPEC_XXEVAL): Move from altivec.md.
2419 (UNSPEC_XXSPLTIW): Move from altivec.md.
2420 (UNSPEC_XXSPLTID): Move from altivec.md.
2421 (UNSPEC_XXSPLTI32DX): Move from altivec.md.
2422 (UNSPEC_XXBLEND): Move from altivec.md.
2423 (UNSPEC_XXPERMX): Move from altivec.md.
2424 (VM3): Move from altivec.md.
2425 (VM3_char): Move from altivec.md.
2426 (xxspltiw_v4si): Move from altivec.md.
2427 (xxspltiw_v4sf): Move from altivec.md.
2428 (xxspltiw_v4sf_inst): Move from altivec.md.
2429 (xxspltidp_v2df): Move from altivec.md.
2430 (xxspltidp_v2df_inst): Move from altivec.md.
2431 (xxsplti32dx_v4si_inst): Move from altivec.md.
2432 (xxsplti32dx_v4sf): Move from altivec.md.
2433 (xxsplti32dx_v4sf_inst): Move from altivec.md.
2434 (xxblend_<mode>): Move from altivec.md.
2435 (xxpermx): Move from altivec.md.
2436 (xxpermx_inst): Move from altivec.md.
2438 2021-08-19 Roger Sayle <roger@nextmovesoftware.com>
2440 * tree-vect-generic.c (expand_vector_operations_1): Use either
2441 gimplify_build1 or gimplify_build2 instead of gimple_build_assign
2442 when constructing scalar splat expressions.
2444 2021-08-19 Peter Bergner <bergner@linux.ibm.com>
2447 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Cast
2448 pointer to __vector_pair *.
2450 2021-08-19 Martin Sebor <msebor@redhat.com>
2452 * gimple-range.cc: Add comments.
2453 * gimple-range.h: Same.
2455 2021-08-19 Martin Sebor <msebor@redhat.com>
2457 PR middle-end/101984
2458 * gimple-ssa-warn-access.cc (pass_waccess::execute): Also call
2461 2021-08-19 Jeff Law <jlaw@localhost.localdomain>
2463 * config.gcc (h8300-*-elf*): Do not include dbxelf.h.
2464 (h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
2465 * config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.
2467 2021-08-19 Jakub Jelinek <jakub@redhat.com>
2469 PR middle-end/101950
2470 * optabs.c (expand_clrsb_using_clz): New function.
2471 (expand_unop): Use it as another clrsb expansion fallback.
2473 2021-08-19 liuhongt <hongtao.liu@intel.com>
2476 2021-07-28 liuhongt <hongtao.liu@intel.com>
2479 * config/i386/i386.h (processor_costs): Add new member
2481 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
2482 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
2483 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
2484 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
2485 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
2486 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
2487 generic_cost, core_cost): Initialize integer_to_sse same value
2489 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
2490 * config/i386/i386.c (ix86_builtin_vectorization_cost):
2491 Use integer_to_sse instead of sse_op to calculate the cost of
2494 2021-08-18 Iain Sandoe <iain@sandoe.co.uk>
2496 * config.gcc: Include rpath.opt for Darwin.
2497 * config/darwin.h (DRIVER_SELF_SPECS): Handle -rpath.
2499 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
2502 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor_expand):
2505 2021-08-18 Jonathan Wright <jonathan.wright@arm.com>
2507 * config/aarch64/arm_neon.h (vld3_lane_f64): Use float RTL
2508 pattern and type cast.
2509 (vld4_lane_f32): Use float RTL pattern.
2510 (vld4q_lane_f64): Use float type cast.
2512 2021-08-18 Jan Hubicka <hubicka@ucw.cz>
2514 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Check also
2517 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
2519 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): Extend.
2520 (test_map_of_type_with_ctor_and_dtor_expand): Add function.
2521 (hash_map_tests_c_tests): Call it.
2523 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
2525 * ggc.h (enum ggc_collect): New.
2526 (ggc_collect): Use it.
2527 * ggc-page.c: Adjust.
2528 * ggc-common.c: Likewise.
2529 * ggc-tests.c: Likewise.
2530 * read-rtl-function.c: Likewise.
2531 * selftest-run-tests.c: Likewise.
2532 * doc/gty.texi (Invoking the garbage collector): Likewise.
2534 2021-08-18 liuhongt <hongtao.liu@intel.com>
2537 * config/i386/i386.h (TARGET_V2DF_REDUCTION_PREFER_HADDPD):
2539 * config/i386/sse.md (*sse3_haddv2df3_low): Add
2540 TARGET_V2DF_REDUCTION_PREFER_HADDPD.
2541 (*sse3_hsubv2df3_low): Ditto.
2542 * config/i386/x86-tune.def
2543 (X86_TUNE_V2DF_REDUCTION_PREFER_HADDPD): New tune.
2545 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
2547 * gimple-range-gori.cc (gori_compute::gori_compute): Enable tracing.
2548 (gori_compute::compute_operand_range): Add tracing.
2549 (gori_compute::logical_combine): Ditto.
2550 (gori_compute::compute_logical_operands): Ditto.
2551 (gori_compute::compute_operand1_range): Ditto.
2552 (gori_compute::compute_operand2_range): Ditto.
2553 (gori_compute::outgoing_edge_range_p): Ditto.
2554 * gimple-range-gori.h (class gori_compute): Add range_tracer.
2556 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
2558 * flag-types.h (enum evrp_mode): Adjust evrp-mode values.
2559 * gimple-range-cache.cc (DEBUG_RANGE_CACHE): Relocate from.
2560 * gimple-range-trace.h (DEBUG_RANGE_CACHE): Here.
2561 * params.opt (--param=evrp-mode): Adjust options.
2563 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
2565 * Makefile.in (OBJS): Add gimple-range-trace.o.
2566 * gimple-range-cache.h (enable_new_values): Remove unused prototype.
2567 * gimple-range-fold.cc: Adjust headers.
2568 * gimple-range-trace.cc: New.
2569 * gimple-range-trace.h: New.
2570 * gimple-range.cc (gimple_ranger::gimple_ranger): Enable tracer.
2571 (gimple_ranger::range_of_expr): Add tracing.
2572 (gimple_ranger::range_on_entry): Ditto.
2573 (gimple_ranger::range_on_exit): Ditto.
2574 (gimple_ranger::range_on_edge): Ditto.
2575 (gimple_ranger::fold_range_internal): Ditto.
2576 (gimple_ranger::dump_bb): Do not calculate edge range twice.
2577 (trace_ranger::*): Remove.
2578 (enable_ranger): Never create a trace_ranger.
2579 (debug_seed_ranger): Move to gimple-range-trace.cc.
2580 (dump_ranger): Ditto.
2581 (debug_ranger): Ditto.
2582 * gimple-range.h: Include gimple-range-trace.h.
2583 (range_on_entry, range_on_exit): No longer virtual.
2584 (class trace_ranger): Remove.
2585 (DEBUG_RANGE_CACHE): Move to gimple-range-trace.h.
2587 2021-08-17 Martin Sebor <msebor@redhat.com>
2589 PR middle-end/101854
2590 * builtins.c (expand_builtin_alloca): Move warning code to check_alloca
2591 in gimple-ssa-warn-access.cc.
2592 * calls.c (alloc_max_size): Move code to check_alloca.
2593 (get_size_range): Move to pointer-query.cc.
2594 (maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.cc.
2595 (get_attr_nonstring_decl): Move to tree.c.
2596 (fntype_argno_type): Move to gimple-ssa-warn-access.cc.
2597 (append_attrname): Same.
2598 (maybe_warn_rdwr_sizes): Same.
2599 (initialize_argument_information): Move code to
2600 gimple-ssa-warn-access.cc.
2601 * calls.h (maybe_warn_alloc_args_overflow): Move to
2602 gimple-ssa-warn-access.h.
2603 (get_attr_nonstring_decl): Move to tree.h.
2604 (maybe_warn_nonstring_arg): Move to gimple-ssa-warn-access.h.
2605 (enum size_range_flags): Move to pointer-query.h.
2606 (get_size_range): Same.
2607 * gimple-ssa-warn-access.cc (has_location): Remove unused overload
2608 to avoid Clang -Wunused-function.
2609 (get_size_range): Declare static.
2610 (maybe_emit_free_warning): Rename...
2611 (maybe_check_dealloc_call): ...to this for consistency.
2612 (class pass_waccess): Add members.
2613 (pass_waccess::~pass_waccess): Defined.
2614 (alloc_max_size): Move here from calls.c.
2615 (maybe_warn_alloc_args_overflow): Same.
2616 (check_alloca): New function.
2617 (check_alloc_size_call): New function.
2618 (check_strncat): Handle another warning flag.
2619 (pass_waccess::check_builtin): Handle alloca.
2620 (fntype_argno_type): Move here from calls.c.
2621 (append_attrname): Same.
2622 (maybe_warn_rdwr_sizes): Same.
2623 (pass_waccess::check_call): Define.
2624 (check_nonstring_args): New function.
2625 (pass_waccess::check): Call new member functions.
2626 (pass_waccess::execute): Enable ranger.
2627 * gimple-ssa-warn-access.h (get_size_range): Move here from calls.h.
2628 (maybe_warn_nonstring_arg): Same.
2629 * gimple-ssa-warn-restrict.c: Remove #include.
2630 * pointer-query.cc (get_size_range): Move here from calls.c.
2631 * pointer-query.h (enum size_range_flags): Same.
2632 (get_size_range): Same.
2633 * tree.c (get_attr_nonstring_decl): Move here from calls.c.
2634 * tree.h (get_attr_nonstring_decl): Move here from calls.h.
2636 2021-08-17 Thomas Schwinge <thomas@codesourcery.com>
2638 * ggc.h (ggc_collect): Add 'force_collect' parameter.
2639 * ggc-page.c (ggc_collect): Use that one instead of global
2640 'ggc_force_collect'. Adjust all users.
2641 * doc/gty.texi (Invoking the garbage collector): Update.
2642 * ggc-internal.h (ggc_force_collect): Remove.
2643 * ggc-common.c (ggc_force_collect): Likewise.
2644 * selftest.h (forcibly_ggc_collect): Remove.
2645 * ggc-tests.c (selftest::forcibly_ggc_collect): Likewise.
2646 * read-rtl-function.c (test_loading_labels): Adjust.
2647 * selftest-run-tests.c (run_tests): Likewise.
2649 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
2651 * config/darwin.c (darwin_file_end): Reset and reclaim the
2652 section names table at the end of compile.
2654 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
2657 * config.in: Regenerate.
2658 * config/i386/darwin.h (EXTRA_ASM_OPTS): New
2659 (ASM_SPEC): Pass options to disable branch shortening where
2661 * configure: Regenerate.
2662 * configure.ac: Detect versions of 'as' that support the
2663 optimisation which has the bug.
2665 2021-08-17 Richard Biener <rguenther@suse.de>
2667 * optabs-query.c (supports_vec_gather_load_p): Also check
2669 (supports_vec_scatter_store_p): Likewise.
2670 * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Fall
2671 back to masked variants if non-masked are not supported.
2672 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
2673 When we need to use masked gather/scatter but do not have
2674 a mask set up a constant true one.
2675 * tree-vect-stmts.c (vect_check_scalar_mask): Also allow
2678 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
2680 * tree-ssa-ccp.c (bit_value_binop) [MINUS_EXPR]: Use same
2681 algorithm as PLUS_EXPR to improve subtraction bit bounds.
2682 [POINTER_DIFF_EXPR]: Treat as synonymous with MINUS_EXPR.
2684 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
2686 * tree-ssa-ccp.c (bit_value_mult_const): New helper function to
2687 calculate the mask-value pair result of a multiplication by an
2689 (bit_value_binop) [MULT_EXPR]: Call it from here for
2690 multiplications by (sparse) non-negative constants.
2692 2021-08-17 Christophe Lyon <christophe.lyon@foss.st.com>
2695 * config.gcc (gcc_cv_initfini_array): Leave undefined for
2696 uclinuxfdpiceabi targets.
2698 2021-08-17 Alexandre Oliva <oliva@adacore.com>
2700 * tree-inline.c (maybe_move_debug_stmts_to_successors): Don't
2701 reverse debug stmts.
2703 2021-08-17 Alexandre Oliva <oliva@adacore.com>
2705 * tree-cfg.c (dump_function_to_file): Use fun, not cfun.
2707 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
2709 * config/aarch64/arm_neon.h (__LD4_LANE_FUNC): Delete.
2710 (__LD4Q_LANE_FUNC): Likewise.
2711 (vld4_lane_u8): Define without macro.
2712 (vld4_lane_u16): Likewise.
2713 (vld4_lane_u32): Likewise.
2714 (vld4_lane_u64): Likewise.
2715 (vld4_lane_s8): Likewise.
2716 (vld4_lane_s16): Likewise.
2717 (vld4_lane_s32): Likewise.
2718 (vld4_lane_s64): Likewise.
2719 (vld4_lane_f16): Likewise.
2720 (vld4_lane_f32): Likewise.
2721 (vld4_lane_f64): Likewise.
2722 (vld4_lane_p8): Likewise.
2723 (vld4_lane_p16): Likewise.
2724 (vld4_lane_p64): Likewise.
2725 (vld4q_lane_u8): Likewise.
2726 (vld4q_lane_u16): Likewise.
2727 (vld4q_lane_u32): Likewise.
2728 (vld4q_lane_u64): Likewise.
2729 (vld4q_lane_s8): Likewise.
2730 (vld4q_lane_s16): Likewise.
2731 (vld4q_lane_s32): Likewise.
2732 (vld4q_lane_s64): Likewise.
2733 (vld4q_lane_f16): Likewise.
2734 (vld4q_lane_f32): Likewise.
2735 (vld4q_lane_f64): Likewise.
2736 (vld4q_lane_p8): Likewise.
2737 (vld4q_lane_p16): Likewise.
2738 (vld4q_lane_p64): Likewise.
2739 (vld4_lane_bf16): Likewise.
2740 (vld4q_lane_bf16): Likewise.
2742 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
2744 * config/aarch64/arm_neon.h (__LD3_LANE_FUNC): Delete.
2745 (__LD3Q_LANE_FUNC): Delete.
2746 (vld3_lane_u8): Define without macro.
2747 (vld3_lane_u16): Likewise.
2748 (vld3_lane_u32): Likewise.
2749 (vld3_lane_u64): Likewise.
2750 (vld3_lane_s8): Likewise.
2751 (vld3_lane_s16): Likewise.
2752 (vld3_lane_s32): Likewise.
2753 (vld3_lane_s64): Likewise.
2754 (vld3_lane_f16): Likewise.
2755 (vld3_lane_f32): Likewise.
2756 (vld3_lane_f64): Likewise.
2757 (vld3_lane_p8): Likewise.
2758 (vld3_lane_p16): Likewise.
2759 (vld3_lane_p64): Likewise.
2760 (vld3q_lane_u8): Likewise.
2761 (vld3q_lane_u16): Likewise.
2762 (vld3q_lane_u32): Likewise.
2763 (vld3q_lane_u64): Likewise.
2764 (vld3q_lane_s8): Likewise.
2765 (vld3q_lane_s16): Likewise.
2766 (vld3q_lane_s32): Likewise.
2767 (vld3q_lane_s64): Likewise.
2768 (vld3q_lane_f16): Likewise.
2769 (vld3q_lane_f32): Likewise.
2770 (vld3q_lane_f64): Likewise.
2771 (vld3q_lane_p8): Likewise.
2772 (vld3q_lane_p16): Likewise.
2773 (vld3q_lane_p64): Likewise.
2774 (vld3_lane_bf16): Likewise.
2775 (vld3q_lane_bf16): Likewise.
2777 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
2779 * config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Delete.
2780 (__LD2Q_LANE_FUNC): Likewise.
2781 (vld2_lane_u8): Define without macro.
2782 (vld2_lane_u16): Likewise.
2783 (vld2_lane_u32): Likewise.
2784 (vld2_lane_u64): Likewise.
2785 (vld2_lane_s8): Likewise.
2786 (vld2_lane_s16): Likewise.
2787 (vld2_lane_s32): Likewise.
2788 (vld2_lane_s64): Likewise.
2789 (vld2_lane_f16): Likewise.
2790 (vld2_lane_f32): Likewise.
2791 (vld2_lane_f64): Likewise.
2792 (vld2_lane_p8): Likewise.
2793 (vld2_lane_p16): Likewise.
2794 (vld2_lane_p64): Likewise.
2795 (vld2q_lane_u8): Likewise.
2796 (vld2q_lane_u16): Likewise.
2797 (vld2q_lane_u32): Likewise.
2798 (vld2q_lane_u64): Likewise.
2799 (vld2q_lane_s8): Likewise.
2800 (vld2q_lane_s16): Likewise.
2801 (vld2q_lane_s32): Likewise.
2802 (vld2q_lane_s64): Likewise.
2803 (vld2q_lane_f16): Likewise.
2804 (vld2q_lane_f32): Likewise.
2805 (vld2q_lane_f64): Likewise.
2806 (vld2q_lane_p8): Likewise.
2807 (vld2q_lane_p16): Likewise.
2808 (vld2q_lane_p64): Likewise.
2809 (vld2_lane_bf16): Likewise.
2810 (vld2q_lane_bf16): Likewise.
2812 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
2814 * haifa-sched.c (advance_one_cycle): Output more context-synchronization
2817 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
2819 * haifa-sched.c (enum rfs_decision, rfs_str): Add RFS_AUTOPREF.
2820 (rank_for_schedule): Use it.
2822 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
2824 PR rtl-optimization/91598
2825 * haifa-sched.c (autopref_rank_for_schedule): Prioritize "irrelevant"
2826 insns after memory reads and before memory writes.
2828 2021-08-17 Alistair_Lee <alistair.lee@arm.com>
2830 * rtl.h (CONST_VECTOR_P): New macro.
2831 * config/aarch64/aarch64.c (aarch64_get_sve_pred_bits): Use RTL
2832 code testing macros.
2833 (aarch64_ptrue_all_mode): Likewise.
2834 (aarch64_expand_mov_immediate): Likewise.
2835 (aarch64_const_vec_all_in_range_p): Likewise.
2836 (aarch64_rtx_costs): Likewise.
2837 (aarch64_legitimate_constant_p): Likewise.
2838 (aarch64_simd_valid_immediate): Likewise.
2839 (aarch64_simd_make_constant): Likewise.
2840 (aarch64_convert_mult_to_shift): Likewise.
2841 (aarch64_expand_sve_vec_perm): Likewise.
2842 (aarch64_vec_fpconst_pow_of_2): Likewise.
2844 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
2846 PR tree-optimization/101938
2847 * range-op.cc (operator_abs::op1_range): Special case
2848 -TYPE_MIN_VALUE for flag_wrapv.
2850 2021-08-17 Kewen Lin <linkw@linux.ibm.com>
2852 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Add the cost for
2855 2021-08-17 Jakub Jelinek <jakub@redhat.com>
2857 * tree.def (OMP_SCOPE): New tree code.
2858 * tree.h (OMP_SCOPE_BODY, OMP_SCOPE_CLAUSES): Define.
2859 * tree-nested.c (convert_nonlocal_reference_stmt,
2860 convert_local_reference_stmt, convert_gimple_call): Handle
2862 * tree-pretty-print.c (dump_generic_node): Handle OMP_SCOPE.
2863 * gimple.def (GIMPLE_OMP_SCOPE): New gimple code.
2864 * gimple.c (gimple_build_omp_scope): New function.
2865 (gimple_copy): Handle GIMPLE_OMP_SCOPE.
2866 * gimple.h (gimple_build_omp_scope): Declare.
2867 (gimple_has_substatements): Handle GIMPLE_OMP_SCOPE.
2868 (gimple_omp_scope_clauses, gimple_omp_scope_clauses_ptr,
2869 gimple_omp_scope_set_clauses): New inline functions.
2870 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_SCOPE.
2871 * gimple-pretty-print.c (dump_gimple_omp_scope): New function.
2872 (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCOPE.
2873 * gimple-walk.c (walk_gimple_stmt): Likewise.
2874 * gimple-low.c (lower_stmt): Likewise.
2875 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
2876 (gimplify_scan_omp_clauses): For task reductions, handle OMP_SCOPE
2877 like ORT_WORKSHARE constructs. Adjust diagnostics for %<scope%>
2878 allowing task reductions. Reject inscan reductions on scope.
2879 (omp_find_stores_stmt): Handle GIMPLE_OMP_SCOPE.
2880 (gimplify_omp_workshare, gimplify_expr): Handle OMP_SCOPE.
2881 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_SCOPE.
2882 (estimate_num_insns): Likewise.
2883 * omp-low.c (build_outer_var_ref): Look through GIMPLE_OMP_SCOPE
2884 contexts if var isn't privatized there.
2885 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_SCOPE.
2886 (scan_omp_1_stmt): Likewise.
2887 (maybe_add_implicit_barrier_cancel): Look through outer
2889 (lower_omp_scope): New function.
2890 (lower_omp_task_reductions): Handle OMP_SCOPE.
2891 (lower_omp_1): Handle GIMPLE_OMP_SCOPE.
2892 (diagnose_sb_1, diagnose_sb_2): Likewise.
2893 * omp-expand.c (expand_omp_single): Support also GIMPLE_OMP_SCOPE.
2894 (expand_omp): Handle GIMPLE_OMP_SCOPE.
2895 (omp_make_gimple_edges): Likewise.
2896 * omp-builtins.def (BUILT_IN_GOMP_SCOPE_START): New built-in.
2898 2021-08-17 Richard Biener <rguenther@suse.de>
2900 PR tree-optimization/101925
2901 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Set
2902 reverse on COMPONENT_REF and ARRAY_REF according to
2903 what reverse_storage_order_for_component_p does.
2904 (vn_reference_eq): Compare reversed on reference ops.
2905 (reverse_storage_order_for_component_p): New overload.
2906 (vn_reference_lookup_3): Check reverse_storage_order_for_component_p
2907 on the reference looked up.
2909 2021-08-17 Jeff Law <jlaw@localhost.localdomain>
2911 * config/h8300/h8300.c (shift_alg_si): Avoid loops for most SImode
2913 (h8300_option_override): Use loops on H8/S more often when optimizing
2915 (get_shift_alg): Handle new "special" cases on H8/S. Simplify
2916 accordingly. Handle various arithmetic right shifts with special
2917 sequences that we couldn't handle before.
2919 2021-08-16 Jeff Law <jlaw@localhost.localdomain>
2921 * config.gcc (rl78-*-elf*): Do not include dbxelf.h.
2923 2021-08-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2925 * config/sparc/rtemself.h (SPARC_GCOV_TYPE_SIZE): Define.
2926 * config/sparc/sparc.c (sparc_gcov_type_size): New.
2927 (TARGET_GCOV_TYPE_SIZE): Redefine if SPARC_GCOV_TYPE_SIZE is defined.
2928 * coverage.c (get_gcov_type): Use targetm.gcov_type_size().
2929 * doc/tm.texi (TARGET_GCOV_TYPE_SIZE): Add hook under "Misc".
2930 * doc/tm.texi.in: Regenerate.
2931 * target.def (gcov_type_size): New target hook.
2932 * targhooks.c (default_gcov_type_size): New.
2933 * targhooks.h (default_gcov_type_size): Declare.
2934 * tree-profile.c (gimple_gen_edge_profiler): Use precision of
2936 (gimple_gen_time_profiler): Likewise.
2938 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
2940 * dwarf2out.c (add_scalar_info): Deal with DW_AT_data_bit_offset.
2942 2021-08-16 Tobias Burnus <tobias@codesourcery.com>
2944 PR middle-end/101931
2945 * omp-low.c (omp_runtime_api_call): Update for routines
2946 added in the meanwhile.
2948 2021-08-16 Martin Liska <mliska@suse.cz>
2950 PR tree-optimization/100393
2951 * tree-switch-conversion.c (group_cluster::dump): Use
2952 get_comparison_count.
2953 (jump_table_cluster::find_jump_tables): Pre-compute number of
2954 comparisons and then decrement it. Cache also max_ratio.
2955 (jump_table_cluster::can_be_handled): Change signature.
2956 * tree-switch-conversion.h (get_comparison_count): New.
2958 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
2960 * dwarf2out.c (add_data_member_location_attribute): Use GNAT
2961 encodings only when -fgnat-encodings=all is specified.
2962 (add_bound_info): Likewise.
2963 (add_byte_size_attribute): Likewise.
2964 (gen_member_die): Likewise.
2966 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
2968 * omp-oacc-neuter-broadcast.cc
2969 (execute_omp_oacc_neuter_broadcast): Plug 'par' memory leak.
2971 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
2973 * omp-oacc-neuter-broadcast.cc
2974 (execute_omp_oacc_neuter_broadcast): Clarify memory management for
2977 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
2979 * omp-oacc-neuter-broadcast.cc (field_map): Move variable into...
2980 (execute_omp_oacc_neuter_broadcast): ... here.
2981 (install_var_field, build_receiver_ref, build_sender_ref): Take
2982 'field_map_t *' parameter. Adjust all users.
2983 (worker_single_copy, neuter_worker_single): Take a
2984 'record_field_map_t *' parameter. Adjust all users.
2986 2021-08-16 liuhongt <hongtao.liu@intel.com>
2989 * config/i386/i386.md (ldexp<mode>3): Force operands[1] to
2992 2021-08-16 Martin Liska <mliska@suse.cz>
2995 * multiple_target.c (create_dispatcher_calls): Make default
2996 function local only if it is a definition.
2998 2021-08-16 Martin Liska <mliska@suse.cz>
3001 * ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not
3002 consider equal SSA_NAMEs when one is a param.
3004 2021-08-16 liuhongt <hongtao.liu@intel.com>
3007 * config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
3008 Support vpermi2b for V32QI/V16QImode.
3009 (ix86_extract_perm_from_pool_constant): New function.
3010 (ix86_expand_vec_one_operand_perm_avx512): Support
3011 vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
3012 (expand_vec_perm_1): Adjust comments for upper.
3013 * config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
3015 * config/i386/predicates.md (permvar_truncate_operand): New predicate.
3016 (pshufb_truncv4siv4hi_operand): Ditto.
3017 (pshufb_truncv8hiv8qi_operand): Ditto.
3018 * config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
3019 New pre_reload define_insn_and_split.
3020 (*avx512f_permvar_truncv8siv8hi_1): Ditto.
3021 (*avx512f_vpermvar_truncv8div8si_1): Ditto.
3022 (*avx512f_permvar_truncv32hiv32qi_1): Ditto.
3023 (*avx512f_permvar_truncv16hiv16qi_1): Ditto.
3024 (*avx512f_permvar_truncv4div4si_1): Ditto.
3025 (*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
3026 (*avx512f_pshufb_truncv4siv4hi_1): Ditto.
3027 (*avx512f_pshufd_truncv2div2si_1): Ditto.
3029 2021-08-16 Kito Cheng <kito.cheng@sifive.com>
3031 * config/riscv/multilib-generator: Support code model option for
3033 * doc/install.texi: Add document of new option for
3034 --with-multilib-generator.
3036 2021-08-15 Clément Chigot <clement.chigot@atos.net>
3038 * config/rs6000/rs6000.c (xcoff_tls_exec_model_detected): New.
3039 (rs6000_legitimize_tls_address_aix): Use it.
3040 (rs6000_xcoff_file_end): Add ".ref __tls_get_addr" when
3041 xcoff_tls_exec_model_detected is true.
3043 2021-08-15 Jeff Law <jlaw@localhost.localdomain>
3045 * config/h8300/h8300.c (shift_alg_si): Retune H8/300H shifts
3046 to allow a bit more code growth, saving many dozens of cycles.
3047 (h8300_option_override): Adjus shift_alg_si if optimizing for
3049 (get_shift_alg): Use special + inline shifts for residuals
3052 2021-08-14 Stafford Horne <shorne@gmail.com>
3055 * config/or1k/or1k-opts.h: New file.
3056 * config/or1k/or1k.c (or1k_legitimize_address_1, print_reloc):
3057 Support generating gotha relocations if -mcmodel=large is
3059 * config/or1k/or1k.h (TARGET_CMODEL_SMALL, TARGET_CMODEL_LARGE):
3061 * config/or1k/or1k.opt (mcmodel=): New option.
3062 * doc/invoke.texi (OpenRISC Options): Document mcmodel.
3064 2021-08-14 Martin Sebor <msebor@redhat.com>
3066 PR middle-end/101791
3067 * gimple-ssa-warn-access.cc (new_delete_mismatch_p): Use new argument
3068 to valid_new_delete_pair_p.
3069 * tree.c (valid_new_delete_pair_p): Add argument.
3070 * tree.h (valid_new_delete_pair_p): Same.
3072 2021-08-14 Jakub Jelinek <jakub@redhat.com>
3075 * config/i386/i386-expand.c (expand_vec_perm_broadcast_1)
3076 <case E_V64QImode>: For this mode assert
3077 !TARGET_AVX512BW || d->perm[0] rather than !TARGET_AVX2 || d->perm[0].
3079 2021-08-13 Michael Meissner <meissner@linux.ibm.com>
3082 * config/rs6000/altivec.md (xxeval): Use register_predicate
3083 instead of altivec_register_predicate.
3085 2021-08-13 Martin Sebor <msebor@redhat.com>
3087 PR middle-end/101734
3088 * tree-ssa-uninit.c (maybe_warn_read_write_only): New function.
3089 (maybe_warn_operand): Call it.
3091 2021-08-13 Martin Liska <mliska@suse.cz>
3094 * attribs.c (decl_attributes): Make naked functions "noipa"
3097 2021-08-13 Martin Liska <mliska@suse.cz>
3100 * symtab.c (symtab_node::noninterposable_alias): Do not create
3101 local aliases for target_clone functions as the clonning pass
3104 2021-08-13 Martin Liska <mliska@suse.cz>
3106 * opts.c (LIVE_PATCHING_OPTION): Define.
3107 (control_options_for_live_patching): Use it in error messages.
3109 2021-08-13 Jan Hubicka <hubicka@ucw.cz>
3111 * ipa-modref.c (dump_eaf_flags): Dump EAF_NOREAD.
3112 (implicit_const_eaf_flags, implicit_pure_eaf_flags,
3113 ignore_stores_eaf_flags): New constants.
3114 (remove_useless_eaf_flags): New function.
3115 (eaf_flags_useful_p): Use it.
3116 (deref_flags): Add EAF_NOT_RETURNED if flag is unused;
3118 (modref_lattice::init): Add EAF_NOREAD.
3119 (modref_lattice::add_escape_point): Do not reacord escape point if
3121 (modref_lattice::merge): EAF_NOESCAPE implies EAF_NODIRECTESCAPE;
3122 use remove_useless_eaf_flags.
3123 (modref_lattice::merge_deref): Use ignore_stores_eaf_flags.
3124 (modref_lattice::merge_direct_load): Add EAF_NOREAD
3125 (analyze_ssa_name_flags): Fix handling EAF_NOT_RETURNED
3126 (analyze_parms): Use remove_useless_eaf_flags.
3127 (ipa_merge_modref_summary_after_inlining): Use ignore_stores_eaf_flags.
3128 (modref_merge_call_site_flags): Add caller and ecf_flags parameter;
3129 use remove_useless_eaf_flags.
3130 (modref_propagate_flags_in_scc): Update.
3131 * ipa-modref.h: Turn eaf_flags_t back to char.
3132 * tree-core.h (EAF_NOT_RETURNED): Fix.
3133 (EAF_NOREAD): New constant
3134 * tree-ssa-alias.c: (ref_maybe_used_by_call_p_1): Check for
3136 * tree-ssa-structalias.c (handle_rhs_call): Handle new flags.
3137 (handle_pure_call): Likewise.
3139 2021-08-12 Jakub Jelinek <jakub@redhat.com>
3141 * tree.def (OMP_MASKED): New tree code.
3142 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
3143 * tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
3144 OMP_CLAUSE_FILTER_EXPR): Define.
3145 * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
3146 (omp_clause_code_name): Likewise.
3147 (walk_tree_1): Handle OMP_CLAUSE_FILTER.
3148 * tree-nested.c (convert_nonlocal_omp_clauses,
3149 convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
3150 (convert_nonlocal_reference_stmt, convert_local_reference_stmt,
3151 convert_gimple_call): Handle GIMPLE_OMP_MASTER.
3152 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
3153 (dump_generic_node): Handle OMP_MASTER.
3154 * gimple.def (GIMPLE_OMP_MASKED): New gimple code.
3155 * gimple.c (gimple_build_omp_masked): New function.
3156 (gimple_copy): Handle GIMPLE_OMP_MASKED.
3157 * gimple.h (gimple_build_omp_masked): Declare.
3158 (gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
3159 (gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
3160 gimple_omp_masked_set_clauses): New inline functions.
3161 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
3162 * gimple-pretty-print.c (dump_gimple_omp_masked): New function.
3163 (pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
3164 * gimple-walk.c (walk_gimple_stmt): Likewise.
3165 * gimple-low.c (lower_stmt): Likewise.
3166 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
3167 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER. For clauses
3168 that take one expression rather than decl or constant, force
3169 gimplification of that into a SSA_NAME or temporary unless min
3171 (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
3172 (gimplify_expr): Handle OMP_MASKED.
3173 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
3174 (estimate_num_insns): Likewise.
3175 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
3176 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED. Adjust
3177 diagnostics for existence of masked construct.
3178 (scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
3179 diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
3180 * omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
3183 2021-08-12 Uroš Bizjak <ubizjak@gmail.com>
3186 * config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
3187 (ldexp<mode>3): Use avx512f_scalef<mode>2.
3188 (UNSPEC_SCALEF): Move from ...
3189 * config/i386/sse.md (UNSPEC_SCALEF): ... here.
3191 2021-08-12 Jan Hubicka <hubicka@ucw.cz>
3193 * ipa-split.c (consider_split): Fix condition testing void functions.
3195 2021-08-12 Aldy Hernandez <aldyh@redhat.com>
3197 * doc/invoke.texi: Remove docs for threader-mode param.
3198 * flag-types.h (enum threader_mode): Remove.
3199 * params.opt: Remove threader-mode param.
3200 * tree-ssa-threadbackward.c (class back_threader): Remove
3201 path_is_unreachable_p.
3202 Make find_paths private.
3203 Add maybe_thread and thread_through_all_blocks.
3204 Remove reference marker for m_registry.
3205 Remove reference marker for m_profit.
3206 (back_threader::back_threader): Adjust for registry and profit not
3208 (dump_path): Move down.
3210 (class thread_jumps): Remove.
3211 (class back_threader_registry): Remove m_all_paths.
3213 (thread_jumps::thread_through_all_blocks): Move to back_threader
3215 (fsm_find_thread_path): Remove
3216 (back_threader::maybe_thread): New.
3217 (back_threader::thread_through_all_blocks): Move from
3219 (back_threader_registry::back_threader_registry): Remove
3221 (back_threader_registry::~back_threader_registry): Remove.
3222 (thread_jumps::find_taken_edge): Remove.
3223 (thread_jumps::check_subpath_and_update_thread_path): Remove.
3224 (thread_jumps::maybe_register_path): Remove.
3225 (thread_jumps::handle_phi): Remove.
3226 (handle_assignment_p): Remove.
3227 (thread_jumps::handle_assignment): Remove.
3228 (thread_jumps::fsm_find_control_statement_thread_paths): Remove.
3229 (thread_jumps::find_jump_threads_backwards): Remove.
3230 (thread_jumps::find_jump_threads_backwards_with_ranger): Remove.
3231 (try_thread_blocks): Rename find_jump_threads_backwards to
3233 (pass_early_thread_jumps::execute): Same.
3235 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
3237 * tree-core.h (omp_clause_proc_bind_kind): Add
3238 OMP_CLAUSE_PROC_BIND_PRIMARY.
3239 * tree-pretty-print.c (dump_omp_clause): Add TODO comment to
3240 change 'master' to 'primary' in proc_bind for OpenMP 5.1.
3242 2021-08-12 Claudiu Zissulescu <claziss@synopsys.com>
3244 * common/config/arc/arc-common.c (arc_option_init_struct): Remove
3245 fno-common reference.
3246 * config/arc/arc.c (arc_override_options): Remove overriding of
3249 2021-08-12 Jakub Jelinek <jakub@redhat.com>
3252 * config/i386/i386-expand.c (ix86_expand_vec_one_operand_perm_avx512):
3253 If d->testing_p, return true after performing checks instead of
3254 actually expanding the insn.
3255 (expand_vec_perm_broadcast_1): Handle V32HImode - assert
3256 !TARGET_AVX512BW and return false.
3258 2021-08-12 Eric Botcazou <ebotcazou@gcc.gnu.org>
3260 * configure.ac (PE linker --disable-dynamicbase support): New check.
3261 * configure: Regenerate.
3262 * config.in: Likewise.
3263 * config/i386/mingw32.h (LINK_SPEC_DISABLE_DYNAMICBASE): New define.
3264 (LINK_SPEC): Use it.
3265 * config/i386/mingw-w64.h (LINK_SPEC_DISABLE_DYNAMICBASE): Likewise.
3266 (LINK_SPEC): Likewise.
3268 2021-08-12 liuhongt <hongtao.liu@intel.com>
3271 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_2): New
3272 post_reload define_insn_and_split.
3273 (*avx512bw_zero_extendv32qiv32hi2_2): Ditto.
3274 (*sse4_1_zero_extendv8qiv8hi2_4): Ditto.
3275 (*avx512f_zero_extendv16hiv16si2_2): Ditto.
3276 (*avx2_zero_extendv8hiv8si2_2): Ditto.
3277 (*sse4_1_zero_extendv4hiv4si2_4): Ditto.
3278 (*avx512f_zero_extendv8siv8di2_2): Ditto.
3279 (*avx2_zero_extendv4siv4di2_2): Ditto.
3280 (*sse4_1_zero_extendv2siv2di2_4): Ditto.
3281 (VI248_256, VI248_512, VI148_512, VI148_256, VI148_128): New
3284 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
3286 * config/rs6000/rs6000-builtin-new.def: Add always, power5, and
3289 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
3291 * config/rs6000/rs6000-builtin-new.def: Add vsx stanza.
3293 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
3295 * config/rs6000/rs6000-builtin-new.def: Finish altivec stanza.
3296 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Move
3297 initialization of pcvoid_type_node here...
3298 (altivec_init_builtins): ...from here.
3299 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add
3300 RS6000_BTI_const_ptr_void.
3301 (pcvoid_type_node): New macro.
3303 2021-08-11 Richard Biener <rguenther@suse.de>
3306 * tree-ssa-forwprop.c (pass_forwprop::execute): Do not decompose
3307 hard-register accesses.
3309 2021-08-11 Richard Biener <rguenther@suse.de>
3311 * tree-ssa-operands.c (operands_scanner::get_expr_operands):
3312 Do not look at COMPONENT_REF FIELD_DECLs TREE_THIS_VOLATILE
3313 to determine has_volatile_ops.
3315 2021-08-11 Eric Botcazou <ebotcazou@gcc.gnu.org>
3317 * cfgexpand.c (expand_used_vars): Reuse attribs local variable.
3319 2021-08-11 Jan Hubicka <hubicka@ucw.cz>
3320 Alexandre Oliva <oliva@adacore.com>
3322 * ipa-modref.c (modref_lattice::dump): Fix escape_point's min_flags
3324 (modref_lattice::merge_deref): Fix handling of indirect scape points.
3325 (update_escape_summary_1): Likewise.
3326 (update_escape_summary): Likewise.
3327 (ipa_merge_modref_summary_after_inlining): Likewise.
3329 2021-08-11 Richard Biener <rguenther@suse.de>
3331 PR middle-end/101858
3332 * fold-const.c (fold_binary_loc): Guard simplification
3333 of X < (cast) (1 << Y) to integer types.
3335 2021-08-11 Richard Biener <rguenther@suse.de>
3337 PR tree-optimization/101861
3338 * tree-vect-stmts.c (vectorizable_load): Fix error in
3339 previous change with regard to gather vectorization.
3341 2021-08-11 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
3344 * config/arm/arm_neon.h (vdup_n_s8): Replace call to builtin
3346 (vdup_n_s16): Likewise.
3347 (vdup_n_s32): Likewise.
3348 (vdup_n_s64): Likewise.
3349 (vdup_n_u8): Likewise.
3350 (vdup_n_u16): Likewise.
3351 (vdup_n_u32): Likewise.
3352 (vdup_n_u64): Likewise.
3353 (vdup_n_p8): Likewise.
3354 (vdup_n_p16): Likewise.
3355 (vdup_n_p64): Likewise.
3356 (vdup_n_f16): Likewise.
3357 (vdup_n_f32): Likewise.
3358 (vdupq_n_s8): Likewise.
3359 (vdupq_n_s16): Likewise.
3360 (vdupq_n_s32): Likewise.
3361 (vdupq_n_s64): Likewise.
3362 (vdupq_n_u8): Likewise.
3363 (vdupq_n_u16): Likewise.
3364 (vdupq_n_u32): Likewise.
3365 (vdupq_n_u64): Likewise.
3366 (vdupq_n_p8): Likewise.
3367 (vdupq_n_p16): Likewise.
3368 (vdupq_n_p64): Likewise.
3369 (vdupq_n_f16): Likewise.
3370 (vdupq_n_f32): Likewise.
3371 (vmov_n_s8): Replace call to builtin with call to corresponding
3373 (vmov_n_s16): Likewise.
3374 (vmov_n_s32): Likewise.
3375 (vmov_n_s64): Likewise.
3376 (vmov_n_u8): Likewise.
3377 (vmov_n_u16): Likewise.
3378 (vmov_n_u32): Likewise.
3379 (vmov_n_u64): Likewise.
3380 (vmov_n_p8): Likewise.
3381 (vmov_n_p16): Likewise.
3382 (vmov_n_f16): Likewise.
3383 (vmov_n_f32): Likewise.
3384 (vmovq_n_s8): Likewise.
3385 (vmovq_n_s16): Likewise.
3386 (vmovq_n_s32): Likewise.
3387 (vmovq_n_s64): Likewise.
3388 (vmovq_n_u8): Likewise.
3389 (vmovq_n_u16): Likewise.
3390 (vmovq_n_u32): Likewise.
3391 (vmovq_n_u64): Likewise.
3392 (vmovq_n_p8): Likewise.
3393 (vmovq_n_p16): Likewise.
3394 (vmovq_n_f16): Likewise.
3395 (vmovq_n_f32): Likewise.
3396 * config/arm/arm_neon_builtins.def: Remove entries for vdup_n.
3398 2021-08-11 liuhongt <hongtao.liu@intel.com>
3401 * config/i386/i386.md (ldexp<mode>3): Extend to vscalefs[sd]
3402 when TARGET_AVX512F and TARGET_SSE_MATH.
3404 2021-08-10 Jakub Jelinek <jakub@redhat.com>
3407 * config/i386/i386-expand.c (expand_vec_perm_even_odd): Return false
3408 for V32HImode if !TARGET_AVX512BW.
3409 (ix86_vectorize_vec_perm_const) <case E_V32HImode, case E_V64QImode>:
3410 If !TARGET_AVX512BW and TARGET_AVX512F and d.testing_p, don't fail
3411 early, but actually check the permutation.
3413 2021-08-10 Richard Biener <rguenther@suse.de>
3415 PR tree-optimization/101809
3416 * tree-vect-stmts.c (get_load_store_type): Allow emulated
3417 gathers with offset vector nunits being a constant multiple
3418 of the data vector nunits.
3419 (vect_get_gather_scatter_ops): Use the appropriate nunits
3420 for the offset vector defs.
3421 (vectorizable_store): Adjust call to
3422 vect_get_gather_scatter_ops.
3423 (vectorizable_load): Likewise. Handle the case of less
3424 offset vectors than data vectors.
3426 2021-08-10 Jakub Jelinek <jakub@redhat.com>
3429 * config/i386/sse.md (*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1,
3430 *avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): New define_insn
3433 2021-08-10 Richard Biener <rguenther@suse.de>
3435 PR tree-optimization/101801
3436 PR tree-optimization/101819
3437 * tree-vectorizer.h (vect_emulated_vector_p): Declare.
3438 * tree-vect-loop.c (vect_emulated_vector_p): New function.
3439 (vectorizable_reduction): Re-instantiate a check for emulated
3441 * tree-vect-stmts.c (vectorizable_shift): Likewise.
3442 (vectorizable_operation): Likewise. Cost emulated vector
3443 operations according to the scalar sequence synthesized by
3446 2021-08-10 Richard Biener <rguenther@suse.de>
3448 PR middle-end/101824
3449 * tree-nested.c (get_frame_field): Mark the COMPONENT_REF as
3450 volatile in case the variable was.
3452 2021-08-10 H.J. Lu <hjl.tools@gmail.com>
3455 * config/i386/constraints.md (BC): Document for integer SSE
3456 constant all bits set operand.
3457 (BF): New constraint for const floating-point all bits set
3459 * config/i386/i386.c (standard_sse_constant_p): Likewise.
3460 (standard_sse_constant_opcode): Likewise.
3461 * config/i386/sse.md (sseconstm1): New mode attribute.
3462 (mov<mode>_internal): Replace BC with <sseconstm1>.
3464 2021-08-10 liuhongt <hongtao.liu@intel.com>
3466 * config/i386/sse.md (cond_<insn><mode>): New expander.
3467 (VI248_AVX512VLBW): New mode iterator.
3468 * config/i386/predicates.md
3469 (nonimmediate_or_const_vec_dup_operand): New predicate.
3471 2021-08-09 Andrew MacLeod <amacleod@redhat.com>
3473 PR tree-optimization/101741
3474 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Check
3475 type of parameter for toupper/tolower.
3477 2021-08-09 Martin Jambor <mjambor@suse.cz>
3480 * ipa-prop.c (propagate_controlled_uses): Removed a spurious space.
3482 2021-08-09 Pat Haugen <pthaugen@linux.ibm.com>
3484 * config/rs6000/rs6000.c (is_load_insn1): Verify destination is a
3486 (is_store_insn1): Verify source is a register.
3488 2021-08-09 Uroš Bizjak <ubizjak@gmail.com>
3491 * config/i386/mmx.md (<any_logic:code>v2sf3):
3492 Rename from *mmx_<any_logic:code>v2sf3
3494 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
3496 * config/nvptx/nvptx.c: Cross-reference parts adapted in
3497 'gcc/omp-oacc-neuter-broadcast.cc'.
3498 * omp-low.c: Likewise.
3499 * omp-oacc-neuter-broadcast.cc: Cross-reference parts adapted from
3502 2021-08-09 Julian Brown <julian@codesourcery.com>
3503 Kwok Cheung Yeung <kcy@codesourcery.com>
3504 Thomas Schwinge <thomas@codesourcery.com>
3506 * config/gcn/gcn.c (gcn_init_builtins): Override decls for
3507 BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START,
3508 BUILT_IN_GOACC_SINGLE_COPY_END and BUILT_IN_GOACC_BARRIER.
3509 (gcn_goacc_validate_dims): Turn on worker partitioning unconditionally.
3510 (gcn_fork_join): Update comment.
3511 * config/gcn/gcn.opt (flag_worker_partitioning): Remove.
3512 (macc_experimental_workers): Remove unused option.
3514 2021-08-09 Julian Brown <julian@codesourcery.com>
3515 Nathan Sidwell <nathan@codesourcery.com> (via 'gcc/config/nvptx/nvptx.c' master)
3516 Kwok Cheung Yeung <kcy@codesourcery.com>
3517 Thomas Schwinge <thomas@codesourcery.com>
3519 * Makefile.in (OBJS): Add omp-oacc-neuter-broadcast.o.
3520 * doc/tm.texi.in (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD):
3521 Add documentation hook.
3522 * doc/tm.texi: Regenerate.
3523 * omp-oacc-neuter-broadcast.cc: New file.
3524 * omp-builtins.def (BUILT_IN_GOACC_BARRIER)
3525 (BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START)
3526 (BUILT_IN_GOACC_SINGLE_COPY_END): New builtins.
3527 * passes.def (pass_omp_oacc_neuter_broadcast): Add pass.
3528 * target.def (goacc.create_worker_broadcast_record): Add target
3530 * tree-pass.h (make_pass_omp_oacc_neuter_broadcast): Add
3532 * config/gcn/gcn-protos.h (gcn_goacc_adjust_propagation_record):
3533 Rename prototype to...
3534 (gcn_goacc_create_worker_broadcast_record): ... this.
3535 * config/gcn/gcn-tree.c (gcn_goacc_adjust_propagation_record): Rename
3537 (gcn_goacc_create_worker_broadcast_record): ... this.
3538 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_PROPAGATION_RECORD):
3540 (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD): ... this.
3542 2021-08-09 Tejas Belagod <tejas.belagod@arm.com>
3545 * config/aarch64/aarch64-simd.md (vlshr<mode>3, vashr<mode>3): Use
3548 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
3550 * Makefile.in (GTFILES): Remove '$(srcdir)/omp-offload.c'.
3552 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
3554 * builtins.def (DEF_GOACC_BUILTIN, DEF_GOMP_BUILTIN): Don't
3555 consider '-foffload-abi'.
3556 * common.opt (-foffload-abi): Remove 'Var', 'Init'.
3557 * opts.c (common_handle_option) <-foffload-abi> [ACCEL_COMPILER]:
3560 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
3562 * optc-gen.awk: Sanity check that 'Init' doesn't appear without
3565 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
3567 * omp-builtins.def (BUILT_IN_ACC_GET_DEVICE_TYPE): Remove.
3569 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
3571 * doc/gty.texi (Files): Update.
3573 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
3575 * doc/gty.texi (Files): Fix GTY header file example.
3577 2021-08-09 Roger Sayle <roger@nextmovesoftware.com>
3579 * tree-ssa-ccp.c (value_mask_to_min_max): Helper function to
3580 determine the upper and lower bounds from a mask-value pair.
3581 (bit_value_unop) [ABS_EXPR, ABSU_EXPR]: Add support for
3582 absolute value and unsigned absolute value expressions.
3583 (bit_value_binop): Initialize *VAL's precision.
3584 [LT_EXPR, LE_EXPR]: Use value_mask_to_min_max to determine
3585 upper and lower bounds of operands. Add LE_EXPR/GE_EXPR
3586 support when the operands are unknown but potentially equal.
3587 [MIN_EXPR, MAX_EXPR]: Support minimum/maximum expressions.
3589 2021-08-09 Bin Cheng <bin.cheng@linux.alibaba.com>
3591 * config/aarch64/aarch64.md
3592 (*extend<SHORT:mode><GPI:mode>2_aarch64): Use %<GPI:w>0.
3594 2021-08-08 Sergei Trofimovich <siarheit@google.com>
3596 * lra-constraints.c: Fix s/otput/output/ typo.
3598 2021-08-06 Martin Sebor <msebor@redhat.com>
3600 * builtins.c (expand_builtin_memchr): Move to gimple-ssa-warn-access.cc.
3601 (expand_builtin_strcat): Same.
3602 (expand_builtin_stpncpy): Same.
3603 (expand_builtin_strncat): Same.
3604 (check_read_access): Same.
3605 (check_memop_access): Same.
3606 (expand_builtin_strlen): Move checks to gimple-ssa-warn-access.cc.
3607 (expand_builtin_strnlen): Same.
3608 (expand_builtin_memcpy): Same.
3609 (expand_builtin_memmove): Same.
3610 (expand_builtin_mempcpy): Same.
3611 (expand_builtin_strcpy): Same.
3612 (expand_builtin_strcpy_args): Same.
3613 (expand_builtin_stpcpy_1): Same.
3614 (expand_builtin_strncpy): Same.
3615 (expand_builtin_memset): Same.
3616 (expand_builtin_bzero): Same.
3617 (expand_builtin_strcmp): Same.
3618 (expand_builtin_strncmp): Same.
3619 (expand_builtin): Remove handlers.
3620 (fold_builtin_strlen): Add a comment.
3621 * builtins.h (check_access): Move to gimple-ssa-warn-access.cc.
3622 * calls.c (maybe_warn_nonstring_arg): Same.
3623 * diagnostic-spec.c (nowarn_spec_t::nowarn_spec_t): Add warning option.
3624 * gimple-fold.c (gimple_fold_builtin_strcpy): Pass argument to callee.
3625 (gimple_fold_builtin_stpcpy): Same.
3626 * gimple-ssa-warn-access.cc (has_location): New function.
3627 (get_location): Same.
3628 (get_callee_fndecl): Same.
3631 (warn_string_no_nul): Define.
3632 (unterminated_array): Same.
3633 (check_nul_terminated_array): Same.
3634 (maybe_warn_nonstring_arg): Same.
3635 (maybe_warn_for_bound): Same.
3636 (warn_for_access): Same.
3637 (check_access): Same.
3638 (check_memop_access): Same.
3639 (check_read_access): Same.
3640 (warn_dealloc_offset): Use helper functions.
3641 (maybe_emit_free_warning): Same.
3642 (class pass_waccess): Add members.
3643 (check_strcat): New function.
3644 (check_strncat): New function.
3645 (check_stxcpy): New function.
3646 (check_stxncpy): New function.
3647 (check_strncmp): New function.
3648 (pass_waccess::check_builtin): New function.
3649 (pass_waccess::check): Call it.
3650 * gimple-ssa-warn-access.h (warn_string_no_nul): Move here from
3652 (maybe_warn_for_bound): Same.
3653 (check_access): Same.
3654 (check_memop_access): Same.
3655 (check_read_access): Same.
3656 * pointer-query.h (struct access_data): Define a ctor overload.
3658 2021-08-06 Richard Biener <rguenther@suse.de>
3660 PR tree-optimization/101801
3661 * tree-vectorizer.h (vect_worthwhile_without_simd_p): Rename...
3662 (vect_can_vectorize_without_simd_p): ... to this.
3663 * tree-vect-loop.c (vect_worthwhile_without_simd_p): Rename...
3664 (vect_can_vectorize_without_simd_p): ... to this and fold
3665 in vect_min_worthwhile_factor.
3666 (vect_min_worthwhile_factor): Remove.
3667 (vectorizable_reduction): Adjust and remove the cost part.
3668 * tree-vect-stmts.c (vectorizable_shift): Likewise.
3669 (vectorizable_operation): Likewise.
3671 2021-08-06 Uroš Bizjak <ubizjak@gmail.com>
3674 * config/i386/i386.md (cmove reg-to-reg move elimination peephole2s):
3675 Add general_gr_operand predicate to operand 3.
3677 2021-08-06 Roger Sayle <roger@nextmovesoftware.com>
3679 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern): Use
3680 CFN_BUILT_IN_CLRSB* instead of BUILT_IN_CLRSB* for consistency.
3682 2021-08-06 Tamar Christina <tamar.christina@arm.com>
3684 * config/aarch64/aarch64-sve-builtins.cc (register_svpattern,
3685 register_svprfop): Pass vec<> by pointer.
3686 * langhooks-def.h (lhd_simulate_enum_decl): Likewise.
3687 * langhooks.c (lhd_simulate_enum_decl): Likewise.
3688 * langhooks.h (struct lang_hooks_for_types): Likewise.
3690 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
3692 * config/aarch64/arm_neon.h (vst1_bf16_x2): Use
3693 __builtin_memcpy instead of constructing an additional
3694 __builtin_aarch64_simd_oi one vector at a time.
3695 (vst1q_bf16_x2): Likewise.
3696 (vst1_bf16_x3): Use __builtin_memcpy instead of constructing
3697 an additional __builtin_aarch64_simd_ci one vector at a time.
3698 (vst1q_bf16_x3): Likewise.
3699 (vst1_bf16_x4): Use __builtin_memcpy instead of a union.
3700 (vst1q_bf16_x4): Likewise.
3701 (vst2_bf16): Use __builtin_memcpy instead of constructing an
3702 additional __builtin_aarch64_simd_oi one vector at a time.
3703 (vst2q_bf16): Likewise.
3704 (vst3_bf16): Use __builtin_memcpy instead of constructing an
3705 additional __builtin_aarch64_simd_ci mode one vector at a
3707 (vst3q_bf16): Likewise.
3708 (vst4_bf16): Use __builtin_memcpy instead of constructing an
3709 additional __builtin_aarch64_simd_xi one vector at a time.
3710 (vst4q_bf16): Likewise.
3712 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
3714 * config/aarch64/arm_neon.h (__ST2_LANE_FUNC): Delete.
3715 (__ST2Q_LANE_FUNC): Delete.
3716 (vst2_lane_f16): Use __builtin_memcpy to copy vector
3717 structure instead of constructing __builtin_aarch64_simd_oi
3718 one vector at a time.
3719 (vst2_lane_f32): Likewise.
3720 (vst2_lane_f64): Likewise.
3721 (vst2_lane_p8): Likewise.
3722 (vst2_lane_p16): Likewise.
3723 (vst2_lane_p64): Likewise.
3724 (vst2_lane_s8): Likewise.
3725 (vst2_lane_s16): Likewise.
3726 (vst2_lane_s32): Likewise.
3727 (vst2_lane_s64): Likewise.
3728 (vst2_lane_u8): Likewise.
3729 (vst2_lane_u16): Likewise.
3730 (vst2_lane_u32): Likewise.
3731 (vst2_lane_u64): Likewise.
3732 (vst2_lane_bf16): Likewise.
3733 (vst2q_lane_f16): Use __builtin_memcpy to copy vector
3734 structure instead of using a union.
3735 (vst2q_lane_f32): Likewise.
3736 (vst2q_lane_f64): Likewise.
3737 (vst2q_lane_p8): Likewise.
3738 (vst2q_lane_p16): Likewise.
3739 (vst2q_lane_p64): Likewise.
3740 (vst2q_lane_s8): Likewise.
3741 (vst2q_lane_s16): Likewise.
3742 (vst2q_lane_s32): Likewise.
3743 (vst2q_lane_s64): Likewise.
3744 (vst2q_lane_u8): Likewise.
3745 (vst2q_lane_u16): Likewise.
3746 (vst2q_lane_u32): Likewise.
3747 (vst2q_lane_u64): Likewise.
3748 (vst2q_lane_bf16): Likewise.
3750 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
3752 * config/aarch64/arm_neon.h (__ST3_LANE_FUNC): Delete.
3753 (__ST3Q_LANE_FUNC): Delete.
3754 (vst3_lane_f16): Use __builtin_memcpy to copy vector
3755 structure instead of constructing __builtin_aarch64_simd_ci
3756 one vector at a time.
3757 (vst3_lane_f32): Likewise.
3758 (vst3_lane_f64): Likewise.
3759 (vst3_lane_p8): Likewise.
3760 (vst3_lane_p16): Likewise.
3761 (vst3_lane_p64): Likewise.
3762 (vst3_lane_s8): Likewise.
3763 (vst3_lane_s16): Likewise.
3764 (vst3_lane_s32): Likewise.
3765 (vst3_lane_s64): Likewise.
3766 (vst3_lane_u8): Likewise.
3767 (vst3_lane_u16): Likewise.
3768 (vst3_lane_u32): Likewise.
3769 (vst3_lane_u64): Likewise.
3770 (vst3_lane_bf16): Likewise.
3771 (vst3q_lane_f16): Use __builtin_memcpy to copy vector
3772 structure instead of using a union.
3773 (vst3q_lane_f32): Likewise.
3774 (vst3q_lane_f64): Likewise.
3775 (vst3q_lane_p8): Likewise.
3776 (vst3q_lane_p16): Likewise.
3777 (vst3q_lane_p64): Likewise.
3778 (vst3q_lane_s8): Likewise.
3779 (vst3q_lane_s16): Likewise.
3780 (vst3q_lane_s32): Likewise.
3781 (vst3q_lane_s64): Likewise.
3782 (vst3q_lane_u8): Likewise.
3783 (vst3q_lane_u16): Likewise.
3784 (vst3q_lane_u32): Likewise.
3785 (vst3q_lane_u64): Likewise.
3786 (vst3q_lane_bf16): Likewise.
3788 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
3790 * config/aarch64/arm_neon.h (__ST4_LANE_FUNC): Delete.
3791 (__ST4Q_LANE_FUNC): Delete.
3792 (vst4_lane_f16): Use __builtin_memcpy to copy vector
3793 structure instead of constructing __builtin_aarch64_simd_xi
3794 one vector at a time.
3795 (vst4_lane_f32): Likewise.
3796 (vst4_lane_f64): Likewise.
3797 (vst4_lane_p8): Likewise.
3798 (vst4_lane_p16): Likewise.
3799 (vst4_lane_p64): Likewise.
3800 (vst4_lane_s8): Likewise.
3801 (vst4_lane_s16): Likewise.
3802 (vst4_lane_s32): Likewise.
3803 (vst4_lane_s64): Likewise.
3804 (vst4_lane_u8): Likewise.
3805 (vst4_lane_u16): Likewise.
3806 (vst4_lane_u32): Likewise.
3807 (vst4_lane_u64): Likewise.
3808 (vst4_lane_bf16): Likewise.
3809 (vst4q_lane_f16): Use __builtin_memcpy to copy vector
3810 structure instead of using a union.
3811 (vst4q_lane_f32): Likewise.
3812 (vst4q_lane_f64): Likewise.
3813 (vst4q_lane_p8): Likewise.
3814 (vst4q_lane_p16): Likewise.
3815 (vst4q_lane_p64): Likewise.
3816 (vst4q_lane_s8): Likewise.
3817 (vst4q_lane_s16): Likewise.
3818 (vst4q_lane_s32): Likewise.
3819 (vst4q_lane_s64): Likewise.
3820 (vst4q_lane_u8): Likewise.
3821 (vst4q_lane_u16): Likewise.
3822 (vst4q_lane_u32): Likewise.
3823 (vst4q_lane_u64): Likewise.
3824 (vst4q_lane_bf16): Likewise.
3826 2021-08-06 Martin Liska <mliska@suse.cz>
3828 * config/rs6000/rs6000.c (rs6000_option_override_internal): When
3829 a target option is restored, it can have
3830 rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode
3831 and error should not be emitted.
3833 2021-08-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
3835 * gcov-io.h (gcov_write): Declare.
3836 * gcov-io.c (gcov_write): New.
3837 (gcov_write_counter): Remove.
3838 (gcov_write_tag_length): Likewise.
3839 (gcov_write_summary): Replace gcov_write_tag_length() with calls to
3840 gcov_write_unsigned().
3841 * doc/invoke.texi (fprofile-info-section): Mention
3842 __gcov_info_to_gdca().
3844 2021-08-06 Martin Sebor <msebor@redhat.com>
3846 * dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
3847 arguments to by-reference.
3848 (iterate_fix_dominators): Same.
3849 * dominance.h (iterate_fix_dominators): Same.
3850 * ipa-prop.h: Call auto_vec::to_vec_legacy.
3851 * tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
3852 arguments to by-reference.
3853 (debug_data_dependence_relation): Same.
3854 (dump_data_dependence_relations): Same.
3855 * tree-data-ref.h (debug_data_dependence_relation): Same.
3856 (dump_data_dependence_relations): Same.
3857 * tree-predcom.c (dump_chains): Same.
3858 (initialize_root_vars_lm): Same.
3859 (determine_unroll_factor): Same.
3860 (replace_phis_by_defined_names): Same.
3861 (insert_init_seqs): Same.
3862 (pcom_worker::tree_predictive_commoning_loop): Call
3863 auto_vec::to_vec_legacy.
3864 * tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
3865 arguments to by-reference.
3866 * tree-ssa-threadbackward.c (populate_worklist): Same.
3867 (back_threader::resolve_def): Same.
3868 * tree-vect-data-refs.c (vect_check_nonzero_value): Same.
3869 (vect_enhance_data_refs_alignment): Same.
3870 (vect_check_lower_bound): Same.
3871 (vect_prune_runtime_alias_test_list): Same.
3872 (vect_permute_store_chain): Same.
3873 * tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
3874 * tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
3875 * tree-vectorizer.h (vect_permute_store_chain): Same.
3876 * vec.c (test_init): New function.
3877 (vec_c_tests): Call new function.
3878 * vec.h (vec): Declare ctors, dtor, and assignment.
3879 (auto_vec::vec_to_legacy): New function.
3880 (vec::copy): Adjust initialization.
3882 2021-08-05 H.J. Lu <hjl.tools@gmail.com>
3885 * config/i386/i386.c (ix86_can_inline_p): Ignore MASK_80387 if
3886 callee only uses GPRs.
3887 * config/i386/ia32intrin.h: Revert commit 5463cee2770.
3888 * config/i386/serializeintrin.h: Revert commit 71958f740f1.
3889 * config/i386/x86gprintrin.h: Add
3890 #pragma GCC target("general-regs-only") and #pragma GCC pop_options
3891 to disable non-GPR ISAs.
3893 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
3895 PR middle-end/101787
3896 * doc/md.texi (cond_ashl, cond_ashr, cond_lshr): Document.
3898 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
3900 * tree-vectorizer.h (vect_is_store_elt_extraction, vect_is_reduction)
3901 (vect_reduc_type, vect_embedded_comparison_type, vect_comparison_type)
3902 (vect_is_extending_load, vect_is_integer_truncation): New functions,
3903 moved from aarch64.c but given different names.
3904 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction)
3905 (aarch64_is_reduction, aarch64_reduc_type)
3906 (aarch64_embedded_comparison_type, aarch64_comparison_type)
3907 (aarch64_extending_load_p, aarch64_integer_truncation_p): Delete
3908 in favor of the above. Update callers accordingly.
3910 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
3913 * config/arm/arm-cpus.in (generic-armv7-a): Add quirk to suppress
3914 writing .cpu directive in asm output.
3915 * config/arm/arm.c (arm_identify_fpu_from_isa): New variable.
3916 (arm_last_printed_arch_string): Delete.
3917 (arm_last-printed_fpu_string): Delete.
3918 (arm_configure_build_target): If use of floating-point/SIMD is
3919 disabled, remove all fp/simd related features from the target ISA.
3920 (last_arm_targ_options): New variable.
3921 (arm_print_asm_arch_directives): Add new parameters. Change order
3922 of emitted directives and handle all cases here.
3923 (arm_file_start): Always call arm_print_asm_arch_directives, move
3924 all generation of .arch/.arch_extension here.
3925 (arm_file_end): Call arm_print_asm_arch.
3926 (arm_declare_function_name): Call arm_print_asm_arch_directives
3927 instead of printing .arch/.fpu directives directly.
3929 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
3931 * config/arm/arm.c (arm_configure_build_target): Don't call
3932 arm_option_reconfigure_globals.
3933 (arm_option_restore): Call arm_option_reconfigure_globals after
3934 reconfiguring the target.
3935 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
3937 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
3939 * config/arm/arm.c (arm_configure_build_target): Ensure the target's
3940 arch_name is always set.
3942 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
3944 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
3945 of vec_select high-half from being added into Neon subtract
3948 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
3950 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
3951 of vec_select high-half from being added into Neon add cost.
3953 2021-08-05 Kewen Lin <linkw@linux.ibm.com>
3955 * cfgloop.h (loops_list::loops_list): Add one optional argument
3956 root and adjust accordingly, update loop tree walking and factor
3958 * cfgloop.c (loops_list::walk_loop_tree): ... this. New function.
3960 2021-08-05 Eric Botcazou <ebotcazou@gcc.gnu.org>
3962 PR tree-optimization/101626
3963 * tree-sra.c (propagate_subaccesses_from_rhs): Do not set the
3964 reverse scalar storage order on a pointer or vector component.
3966 2021-08-05 liuhongt <hongtao.liu@intel.com>
3968 * config/i386/sse.md (cond_<code><mode>): New expander.
3970 2021-08-05 liuhongt <hongtao.liu@intel.com>
3972 * config/i386/sse.md (cond_<code><mode>): New expander.
3974 2021-08-05 liuhongt <hongtao.liu@intel.com>
3976 * config/i386/sse.md (cond_<code><mode>): New expander.
3978 2021-08-04 David Malcolm <dmalcolm@redhat.com>
3981 * Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
3983 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
3986 * config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
3987 only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
3989 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
3992 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
3993 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
3994 data with SSE register from one memory location to another.
3996 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
3998 * config/s390/s390.c (expand_perm_with_vpdi): New function.
3999 (vectorize_vec_perm_const_1): Call expand_perm_with_vpdi.
4000 * config/s390/vector.md (*vpdi1<mode>, @vpdi1<mode>): Enable a
4001 parameterized expander.
4002 (*vpdi4<mode>, @vpdi4<mode>): Likewise.
4004 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
4006 * config/s390/s390.c (MAX_VECT_LEN): Define macro.
4007 (struct expand_vec_perm_d): Define struct.
4008 (expand_perm_with_merge): New function.
4009 (vectorize_vec_perm_const_1): New function.
4010 (s390_vectorize_vec_perm_const): New function.
4011 (TARGET_VECTORIZE_VEC_PERM_CONST): Define target macro.
4013 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
4015 * config/s390/vector.md (V_HW_64): Remove mode iterator.
4016 (*vec_load_pair<mode>): Use V_HW_2 instead of V_HW_64.
4017 * config/s390/vx-builtins.md
4018 (vec_scatter_element<V_HW_2:mode>_SI): Use V_HW_2 instead of
4021 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
4023 * config/s390/s390.md (UNSPEC_VEC_PERMI): Remove constant
4025 * config/s390/vector.md (*vpdi1<mode>, *vpdi4<mode>): New pattern
4027 * config/s390/vx-builtins.md (*vec_permi<mode>): Emit generic rtx
4028 instead of an unspec.
4030 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
4032 * config/s390/s390-modes.def: Add more vector modes to support
4033 concatenation of two vectors.
4034 * config/s390/s390-protos.h (s390_expand_merge_perm_const): Add
4036 (s390_expand_merge): Likewise.
4037 * config/s390/s390.c (s390_expand_merge_perm_const): New function.
4038 (s390_expand_merge): New function.
4039 * config/s390/s390.md (UNSPEC_VEC_MERGEH, UNSPEC_VEC_MERGEL):
4040 Remove constant definitions.
4041 * config/s390/vector.md (V_HW_2): Add mode iterators.
4042 (VI_HW_4, V_HW_4): Rename VI_HW_4 to V_HW_4.
4043 (vec_2x_nelts, vec_2x_wide): New mode attributes.
4044 (*vmrhb, *vmrlb, *vmrhh, *vmrlh, *vmrhf, *vmrlf, *vmrhg, *vmrlg):
4045 New pattern definitions.
4046 (vec_widen_umult_lo_<mode>, vec_widen_umult_hi_<mode>)
4047 (vec_widen_smult_lo_<mode>, vec_widen_smult_hi_<mode>)
4048 (vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf, vec_unpacks_lo_v2df)
4049 (vec_unpacks_hi_v2df): Adjust expanders to emit non-unspec RTX for
4051 * config/s390/vx-builtins.md (V_HW_4): Remove mode iterator. Now
4053 (vec_mergeh<mode>, vec_mergel<mode>): Use s390_expand_merge to
4054 emit vec merge pattern.
4056 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
4058 * config/aarch64/aarch64.c (aarch64_strip_extend_vec_half):
4060 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent cost of
4061 vec_select high-half from being added into Neon multiply
4063 * rtlanal.c (vec_series_highpart_p): Define.
4064 * rtlanal.h (vec_series_highpart_p): Declare.
4066 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
4068 * config/aarch64/aarch64.c (aarch64_strip_duplicate_vec_elt):
4070 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent
4071 vec_select cost from being added into Neon multiply cost.
4073 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
4075 * tree-vect-loop.c (vect_better_loop_vinfo_p): Detect cases in
4076 which old_loop_vinfo is an epilogue loop that handles a constant
4077 number of iterations.
4079 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
4081 * tree-vect-loop.c (vect_analyze_loop): Print a dump message
4082 when a reanalyzed loop fails to be cheaper than the current
4085 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
4087 * config/aarch64/aarch64.c: Fix a typo.
4089 2021-08-04 Vincent Lefèvre <vincent-gcc@vinc17.net>
4091 PR gcov-profile/101773
4092 * gcov-io.c (gcov_close): Check return code of a fclose.
4094 2021-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
4097 * dwarf2out.c (dwarf2out_assembly_start): Emit a dummy
4098 .file statement when needed.
4100 2021-08-04 Richard Biener <rguenther@suse.de>
4102 * tree-vect-data-refs.c (vect_check_gather_scatter):
4103 Include widening conversions only when the result is
4104 still handed by native gather or the current offset
4105 size not already matches the data size.
4106 Also succeed analysis in case there's no native support,
4107 noted by a IFN_LAST ifn and a NULL decl.
4108 (vect_analyze_data_refs): Always consider gathers.
4109 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
4110 Test for no IFN gather rather than decl gather.
4111 * tree-vect-stmts.c (vect_model_load_cost): Pass in the
4112 gather-scatter info and cost emulated gathers accordingly.
4113 (vect_truncate_gather_scatter_offset): Properly test for
4115 (vect_use_strided_gather_scatters_p): Likewise.
4116 (get_load_store_type): Handle emulated gathers and its
4118 (vectorizable_load): Likewise. Emulate them by extracting
4119 scalar offsets, doing scalar loads and a vector construct.
4121 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
4124 * expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
4125 argument to set m_max_size.
4126 (move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
4127 (store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
4128 (compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
4130 2021-08-04 Roger Sayle <roger@nextmovesoftware.com>
4131 Marc Glisse <marc.glisse@inria.fr>
4133 * match.pd (bit_ior, bit_xor): Canonicalize (X*C1)|(X*C2) and
4134 (X*C1)^(X*C2) as X*(C1+C2), and related variants, using
4135 tree_nonzero_bits to ensure that operands are bit-wise disjoint.
4137 2021-08-04 Richard Biener <rguenther@suse.de>
4139 * tree-ssa-forwprop.c (pass_forwprop::execute): Split
4140 out code to decompose vector loads ...
4141 (optimize_vector_load): ... here. Generalize it to
4142 handle intermediate widening and TARGET_MEM_REF loads
4143 and apply it to loads with a supported vector mode as well.
4145 2021-08-04 Richard Biener <rguenther@suse.de>
4147 PR tree-optimization/101756
4148 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Make sure
4149 the result of the reduction epilogue is compatible to the original
4152 2021-08-04 liuhongt <hongtao.liu@intel.com>
4155 * config/i386/i386.md (peephole2): Refine predicate from
4156 register_operand to general_reg_operand.
4158 2021-08-04 Aldy Hernandez <aldyh@redhat.com>
4160 * gimple-range-path.h (path_range_query::dump): Mark override.
4162 2021-08-04 Richard Biener <rguenther@suse.de>
4164 PR tree-optimization/101769
4165 * tree-tailcall.c (eliminate_tail_call): Add the created loop
4166 for the first recursion and return it via the new output parameter.
4167 (optimize_tail_call): Pass through new output param.
4168 (tree_optimize_tail_calls_1): After creating all latches,
4169 add the created loop to the loop tree. Do not mark loops for fixup.
4171 2021-08-04 Martin Liska <mliska@suse.cz>
4173 * doc/invoke.texi: Document threader-mode param.
4175 2021-08-04 liuhongt <hongtao.liu@intel.com>
4177 * config/i386/sse.md (cond_fma<mode>): New expander.
4178 (cond_fms<mode>): Ditto.
4179 (cond_fnma<mode>): Ditto.
4180 (cond_fnms<mode>): Ditto.
4182 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
4184 * config/rs6000/vsx.md (*vsx_le_perm_store_<mode>): Use && instead of &.
4186 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
4188 * config/rs6000/constraints.md: Remove "e" from the list of available
4189 constraint characters.
4191 2021-08-03 Eugene Rozenfeld <erozen@microsoft.com>
4193 PR gcov-profile/71672
4194 * auto-profile.c (afdo_indirect_call): Fix setup of the historgram value for indirect calls.
4196 2021-08-03 Paul A. Clarke <pc@us.ibm.com>
4198 * config/rs6000/smmintrin.h (_mm_minpos_epu16): New.
4200 2021-08-03 H.J. Lu <hjl.tools@gmail.com>
4202 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): In 64-bit mode,
4203 try XMM31 to avoid vzeroupper.
4205 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
4207 * doc/invoke.texi: Document -mtune=neoverse-512tvb and
4208 -mcpu=neoverse-512tvb.
4209 * config/aarch64/aarch64-cores.def (neoverse-512tvb): New entry.
4210 * config/aarch64/aarch64-tune.md: Regenerate.
4211 * config/aarch64/aarch64.c (neoverse512tvb_sve_vector_cost)
4212 (neoverse512tvb_sve_issue_info, neoverse512tvb_vec_issue_info)
4213 (neoverse512tvb_vector_cost, neoverse512tvb_tunings): New structures.
4214 (aarch64_adjust_body_cost_sve): Handle -mtune=neoverse-512tvb.
4215 (aarch64_adjust_body_cost): Likewise.
4217 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
4219 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Only
4220 record issue information for operations that occur in the
4223 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
4225 * config/aarch64/aarch64.c (aarch64_multiply_add_p): Add a vec_flags
4226 parameter. Detect cases in which an Advanced SIMD MLA would almost
4227 certainly require a MOV.
4228 (aarch64_count_ops): Update accordingly.
4230 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
4232 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction): New
4233 function, split out from...
4234 (aarch64_detect_vector_stmt_subtype): ...here.
4235 (aarch64_add_stmt_cost): Treat extracting element 0 as free.
4237 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
4239 * config/aarch64/aarch64-protos.h (sve_vec_cost):
4240 Add gather_load_x32_cost and gather_load_x64_cost.
4241 * config/aarch64/aarch64.c (generic_sve_vector_cost)
4242 (a64fx_sve_vector_cost, neoversev1_sve_vector_cost): Update
4243 accordingly, using the values given by the scalar_load * number
4244 of elements calculation that we used previously.
4245 (aarch64_detect_vector_stmt_subtype): Use the new fields.
4247 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
4249 * config/aarch64/aarch64.c (aarch64_adjust_body_cost_sve): New
4250 function, split out from...
4251 (aarch64_adjust_body_cost): ...here.
4253 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
4255 * config/aarch64/fractional-cost.h: New file.
4256 * config/aarch64/aarch64.c: Include <algorithm> (indirectly)
4257 and cost_fraction.h.
4258 (vec_cost_fraction): New typedef.
4259 (aarch64_detect_scalar_stmt_subtype): Use it for statement costs.
4260 (aarch64_detect_vector_stmt_subtype): Likewise.
4261 (aarch64_sve_adjust_stmt_cost, aarch64_adjust_stmt_cost): Likewise.
4262 (aarch64_estimate_min_cycles_per_iter): Use vec_cost_fraction
4264 (aarch64_adjust_body_cost): Likewise.
4265 (aarch64_test_cost_fraction): New function.
4266 (aarch64_run_selftests): Call it.
4268 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
4270 * config/aarch64/aarch64-protos.h (tune_params::sve_width): Turn
4272 * config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Update
4274 (aarch64_estimated_poly_value): Likewise. Use the least significant
4275 set bit for the minimum and likely values. Use the most significant
4276 set bit for the maximum value.
4278 2021-08-03 liuhongt <hongtao.liu@intel.com>
4280 * config/i386/sse.md (cond_<insn><mode>): New expander.
4281 (cond_mul<mode>): Ditto.
4283 2021-08-03 Kewen Lin <linkw@linux.ibm.com>
4285 * tree-cfg.c (move_sese_region_to_fn): Fix typos on dloop.
4287 2021-08-03 liuhongt <hongtao.liu@intel.com>
4289 * config/i386/sse.md (cond_<insn><mode>):New expander.
4290 (cond_mul<mode>): Ditto.
4291 (cond_div<mode>): Ditto.
4293 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
4295 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Also
4296 check stack_realign_needed for stack realignment.
4297 (ix86_legitimate_constant_p): Always allow CONST_WIDE_INT smaller
4298 than the largest integer supported by vector register.
4299 * config/i386/i386.h (MAX_MOVE_MAX): New. Set to 64.
4300 (MOVE_MAX): Set to bytes of the largest integer supported by
4302 (STORE_MAX_PIECES): New.
4304 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
4306 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
4307 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
4308 data from one memory location to another.
4310 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
4313 * config/i386/i386.c (TARGET_GEN_MEMSET_SCRATCH_RTX): New.
4315 2021-08-02 Aldy Hernandez <aldyh@redhat.com>
4317 PR tree-optimization/101724
4318 * params.opt: Remove --param=threader-iterative.
4319 * tree-ssa-threadbackward.c (pass_thread_jumps::execute): Remove
4322 2021-08-02 Tom de Vries <tdevries@suse.de>
4324 PR middle-end/101665
4325 * doc/extend.texi (nonnull attribute): Improve documentation.
4327 2021-08-02 Andrew Pinski <apinski@marvell.com>
4329 PR rtl-optimization/101683
4330 * rtlanal.c (may_trap_p_1): Handle UNSIGNED_FIX.
4332 2021-08-02 Roger Sayle <roger@nextmovesoftware.com>
4334 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern):
4335 Renamed from cond_removal_in_popcount_clz_ctz_pattern.
4336 Add support for BSWAP, FFS, PARITY and CLRSB builtins.
4337 (tree_ssa_phiop_worker): Update call to function above.
4339 2021-08-01 H.J. Lu <hjl.tools@gmail.com>
4342 * config/i386/i386.md (bsr_rex64_1_zext): New.
4343 (combine splitter for constant - clzll): Replace gen_bsr_rex64_1
4344 with gen_bsr_rex64_1_zext.
4346 2021-07-31 Jakub Jelinek <jakub@redhat.com>
4349 * config/i386/i386.md (bsr_rex64_1, bsr_1, bsr_zext_1): New
4350 define_insn patterns.
4351 (*bsr_rex64_2, *bsr_2): New define_insn_and_split patterns.
4352 Add combine splitters for constant - clz.
4353 (clz<mode>2): Use a temporary pseudo for bsr result.
4355 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
4357 * config/rs6000/smmintrin.h (_mm_floor_pd, _mm_floor_ps,
4358 _mm_floor_sd, _mm_floor_ss): New.
4360 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
4362 * config/rs6000/smmintrin.h (_mm_ceil_pd, _mm_ceil_ps,
4363 _mm_ceil_sd, _mm_ceil_ss): New.
4365 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
4367 * config/rs6000/smmintrin.h (_mm_blend_pd, _mm_blendv_pd,
4368 _mm_blend_ps, _mm_blendv_ps): New.
4370 2021-07-30 Roger Sayle <roger@nextmovesoftware.com>
4371 Uroš Bizjak <ubizjak@gmail.com>
4373 * config/i386/i386.md (*dec_cmov<mode>): New define_insn_and_split
4374 to generate a conditional move using the carry flag after sub $1.
4375 (peephole2): Eliminate a register-to-register move by inverting
4376 the condition of a conditional move.
4378 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
4380 * config/mmix/mmix.md ("call", "call_value", "*call_real")
4381 ("*call_value_real"): Don't generate rtx mentioning the generic
4382 operands 1 and 2 to "call", and similarly for "call_value".
4383 * config/mmix/mmix.c (mmix_print_operand_punct_valid_p)
4384 (mmix_print_operand): Use '!' instead of 'p'.
4386 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
4388 * doc/md.texi (call): Correct information about operand 2.
4389 * config/mmix/mmix.md ("call", "call_value"): Remove fixed FIXMEs.
4391 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
4393 * range-op.cc (operator_trunc_mod::wi_fold): Fold constants.
4395 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
4397 * range-op.cc (operator_div::wi_fold): Return UNDEFINED for [0, 0] divisor.
4399 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
4401 * gimple-range-cache.cc (*::set_bb_range): Change const basic_block to
4403 (*::get_bb_range): Ditto.
4404 (*::bb_range_p): Ditto.
4405 * gimple-range-cache.h: Change prototypes.
4407 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
4410 * builtins.c (builtin_memcpy_read_str): Change the mode argument
4411 from scalar_int_mode to fixed_size_mode.
4412 (builtin_strncpy_read_str): Likewise.
4413 (gen_memset_value_from_prev): New function.
4414 (builtin_memset_read_str): Change the mode argument from
4415 scalar_int_mode to fixed_size_mode. Use gen_memset_value_from_prev
4416 and support CONST_VECTOR.
4417 (builtin_memset_gen_str): Likewise.
4418 (try_store_by_multiple_pieces): Use by_pieces_constfn to declare
4420 * builtins.h (builtin_strncpy_read_str): Replace scalar_int_mode
4421 with fixed_size_mode.
4422 (builtin_memset_read_str): Likewise.
4423 * expr.c (widest_int_mode_for_size): Renamed to ...
4424 (widest_fixed_size_mode_for_size): Add a bool argument to
4425 indicate if QI vector mode can be used.
4426 (by_pieces_ninsns): Call widest_fixed_size_mode_for_size
4427 instead of widest_int_mode_for_size.
4428 (pieces_addr::adjust): Change the mode argument from
4429 scalar_int_mode to fixed_size_mode.
4430 (op_by_pieces_d): Make m_len read-only. Add a bool member,
4431 m_qi_vector_mode, to indicate that QI vector mode can be used.
4432 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
4433 initialize m_qi_vector_mode. Call widest_fixed_size_mode_for_size
4434 instead of widest_int_mode_for_size.
4435 (op_by_pieces_d::get_usable_mode): Change the mode argument from
4436 scalar_int_mode to fixed_size_mode. Call
4437 widest_fixed_size_mode_for_size instead of
4438 widest_int_mode_for_size.
4439 (op_by_pieces_d::smallest_fixed_size_mode_for_size): New member
4440 function to return the smallest integer or QI vector mode.
4441 (op_by_pieces_d::run): Call widest_fixed_size_mode_for_size
4442 instead of widest_int_mode_for_size. Call
4443 smallest_fixed_size_mode_for_size instead of
4444 smallest_int_mode_for_size.
4445 (store_by_pieces_d::store_by_pieces_d): Add a bool argument to
4446 indicate that QI vector mode can be used and pass it to
4447 op_by_pieces_d::op_by_pieces_d.
4448 (can_store_by_pieces): Call widest_fixed_size_mode_for_size
4449 instead of widest_int_mode_for_size. Pass memsetp to
4450 widest_fixed_size_mode_for_size to support QI vector mode.
4451 Allow all CONST_VECTORs for memset if vec_duplicate is supported.
4452 (store_by_pieces): Pass memsetp to
4453 store_by_pieces_d::store_by_pieces_d.
4454 (clear_by_pieces_1): Removed.
4455 (clear_by_pieces): Replace clear_by_pieces_1 with
4456 builtin_memset_read_str and pass true to store_by_pieces_d to
4457 support vector mode broadcast.
4458 (string_cst_read_str): Change the mode argument from
4459 scalar_int_mode to fixed_size_mode.
4460 * expr.h (by_pieces_constfn): Change scalar_int_mode to
4462 (by_pieces_prev): Likewise.
4463 * rtl.h (lowpart_subreg_regno): New.
4464 * rtlanal.c (lowpart_subreg_regno): New. A wrapper around
4465 simplify_subreg_regno.
4466 * target.def (gen_memset_scratch_rtx): New hook.
4467 * doc/tm.texi.in: Add TARGET_GEN_MEMSET_SCRATCH_RTX.
4468 * doc/tm.texi: Regenerated.
4470 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
4473 * config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
4474 TARGET_EXPR instead of MODIFY_EXPR.
4476 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
4479 * config/mips/mips-protos.h (mips_expand_vec_cmp_expr): Declare.
4480 * config/mips/mips.c (mips_expand_vec_cmp_expr): New function.
4481 * config/mips/mips-msa.md (vec_cmp<MSA:mode><mode_i>): New
4483 (vec_cmpu<IMSA:mode><mode_i>): New expander.
4485 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
4488 * config/i386/i386-options.c (ix86_option_override_internal):
4489 Don't enable LZCNT/POPCNT if they have been disabled explicitly.
4491 2021-07-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
4494 * config/arm/arm_neon.h (vld1_p64): Replace call to builtin by
4495 explicitly dereferencing __a.
4496 (vld1_s64): Likewise.
4497 (vld1_u64): Likewise.
4498 * config/arm/arm_neon_builtins.def (vld1): Remove entry for di
4499 and change to VAR13.
4501 2021-07-30 Aldy Hernandez <aldyh@redhat.com>
4503 * gimple-loop-versioning.cc (lv_dom_walker::lv_dom_walker): Remove
4504 use of m_range_analyzer.
4505 (loop_versioning::lv_dom_walker::before_dom_children): Same.
4506 (loop_versioning::lv_dom_walker::after_dom_children): Remove.
4507 (loop_versioning::prune_loop_conditions): Replace vr_values use
4508 with range_query interface.
4509 (pass_loop_versioning::execute): Use ranger.
4511 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
4514 * ipa-devirt.c (ipa_odr_read_section): Compare the precision of
4515 enum values, and emit a warning if they mismatch.
4517 2021-07-30 Kewen Lin <linkw@linux.ibm.com>
4519 * cfgloop.h (as_const): New function.
4520 (class loop_iterator): Rename to ...
4521 (class loops_list): ... this.
4522 (loop_iterator::next): Rename to ...
4523 (loops_list::Iter::fill_curr_loop): ... this and adjust.
4524 (loop_iterator::loop_iterator): Rename to ...
4525 (loops_list::loops_list): ... this and adjust.
4526 (loops_list::Iter): New class.
4527 (loops_list::iterator): New type.
4528 (loops_list::const_iterator): New type.
4529 (loops_list::begin): New function.
4530 (loops_list::end): Likewise.
4531 (loops_list::begin const): Likewise.
4532 (loops_list::end const): Likewise.
4533 (FOR_EACH_LOOP): Remove.
4534 (FOR_EACH_LOOP_FN): Remove.
4535 * cfgloop.c (flow_loops_dump): Adjust FOR_EACH_LOOP* with range-based
4536 for loop with loops_list instance.
4537 (sort_sibling_loops): Likewise.
4538 (disambiguate_loops_with_multiple_latches): Likewise.
4539 (verify_loop_structure): Likewise.
4540 * cfgloopmanip.c (create_preheaders): Likewise.
4541 (force_single_succ_latches): Likewise.
4542 * config/aarch64/falkor-tag-collision-avoidance.c
4543 (execute_tag_collision_avoidance): Likewise.
4544 * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Likewise.
4545 * config/s390/s390.c (s390_adjust_loops): Likewise.
4546 * doc/loop.texi: Likewise.
4547 * gimple-loop-interchange.cc (pass_linterchange::execute): Likewise.
4548 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
4549 * gimple-loop-versioning.cc (loop_versioning::analyze_blocks): Likewise.
4550 (loop_versioning::make_versioning_decisions): Likewise.
4551 * gimple-ssa-split-paths.c (split_paths): Likewise.
4552 * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise.
4553 * graphite.c (canonicalize_loop_form): Likewise.
4554 (graphite_transform_loops): Likewise.
4555 * ipa-fnsummary.c (analyze_function_body): Likewise.
4556 * ipa-pure-const.c (analyze_function): Likewise.
4557 * loop-doloop.c (doloop_optimize_loops): Likewise.
4558 * loop-init.c (loop_optimizer_finalize): Likewise.
4559 (fix_loop_structure): Likewise.
4560 * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
4561 (move_loop_invariants): Likewise.
4562 * loop-unroll.c (decide_unrolling): Likewise.
4563 (unroll_loops): Likewise.
4564 * modulo-sched.c (sms_schedule): Likewise.
4565 * predict.c (predict_loops): Likewise.
4566 (pass_profile::execute): Likewise.
4567 * profile.c (branch_prob): Likewise.
4568 * sel-sched-ir.c (sel_finish_pipelining): Likewise.
4569 (sel_find_rgns): Likewise.
4570 * tree-cfg.c (replace_loop_annotate): Likewise.
4571 (replace_uses_by): Likewise.
4572 (move_sese_region_to_fn): Likewise.
4573 * tree-if-conv.c (pass_if_conversion::execute): Likewise.
4574 * tree-loop-distribution.c (loop_distribution::execute): Likewise.
4575 * tree-parloops.c (parallelize_loops): Likewise.
4576 * tree-predcom.c (tree_predictive_commoning): Likewise.
4577 * tree-scalar-evolution.c (scev_initialize): Likewise.
4578 (scev_reset): Likewise.
4579 * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
4580 * tree-ssa-live.c (remove_unused_locals): Likewise.
4581 * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
4582 * tree-ssa-loop-im.c (analyze_memory_references): Likewise.
4583 (tree_ssa_lim_initialize): Likewise.
4584 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
4585 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Likewise.
4586 * tree-ssa-loop-manip.c (get_loops_exits): Likewise.
4587 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Likewise.
4588 (free_numbers_of_iterations_estimates): Likewise.
4589 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4590 * tree-ssa-loop-split.c (tree_ssa_split_loops): Likewise.
4591 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Likewise.
4592 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
4593 (pass_scev_cprop::execute): Likewise.
4594 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
4595 * tree-ssa-sccvn.c (do_rpo_vn): Likewise.
4596 * tree-ssa-threadupdate.c
4597 (jump_thread_path_registry::thread_through_all_blocks): Likewise.
4598 * tree-vectorizer.c (vectorize_loops): Likewise.
4599 * tree-vrp.c (vrp_asserts::find_assert_locations): Likewise.
4601 2021-07-29 Hans-Peter Nilsson <hp@bitrange.com>
4603 * config/mmix/mmix.c (mmix_function_arg_1): Avoid
4604 generating a VOIDmode register for e.g the
4605 function_arg_info::end_marker.
4607 2021-07-29 Jeff Law <jeffreyalaw@gmail.com>
4609 * config/h8300/h8300-modes.def: Add CCZ, CCV and CCC, drop CCZNV.
4610 * config/h8300/h8300.md (H8cc mode iterator): Add CCZ.
4611 (cc mode_attr): Similarly.
4612 (ccz subst_attr): Similarly.
4613 * config/h8300/jumpcall.md: Add new patterns for branch-on-bit.
4614 * config/h8300/testcompare.md: Remove various cc0 based patterns
4615 that had been commented out. Add pattern to set CCZ from a bit
4618 2021-07-29 Thomas Schwinge <thomas@codesourcery.com>
4619 Julian Brown <julian@codesourcery.com>
4620 Kwok Cheung Yeung <kcy@codesourcery.com>
4622 * omp-offload.c (oacc_loop_xform_head_tail, oacc_loop_process):
4623 'update_stmt' after modification.
4624 (pass_oacc_loop_designation): New function, extracted out of...
4625 (pass_oacc_device_lower): ... this.
4626 (pass_data_oacc_loop_designation, pass_oacc_loop_designation)
4627 (make_pass_oacc_loop_designation): New
4628 * passes.def: Add it.
4629 * tree-parloops.c (create_parallel_loop): Adjust.
4630 * tree-pass.h (make_pass_oacc_loop_designation): New.
4632 2021-07-29 Aldy Hernandez <aldyh@redhat.com>
4634 * flag-types.h (enum threader_mode): New.
4635 * params.opt: Add entry for --param=threader-mode.
4636 * tree-ssa-threadbackward.c (THREADER_ITERATIVE_MODE): New.
4637 (class back_threader): New.
4638 (back_threader::back_threader): New.
4639 (back_threader::~back_threader): New.
4640 (back_threader::maybe_register_path): New.
4641 (back_threader::find_taken_edge): New.
4642 (back_threader::find_taken_edge_switch): New.
4643 (back_threader::find_taken_edge_cond): New.
4644 (back_threader::resolve_def): New.
4645 (back_threader::resolve_phi): New.
4646 (back_threader::find_paths_to_names): New.
4647 (back_threader::find_paths): New.
4650 (thread_jumps::find_jump_threads_backwards): Call ranger threader.
4651 (thread_jumps::find_jump_threads_backwards_with_ranger): New.
4652 (pass_thread_jumps::execute): Abstract out code...
4653 (try_thread_blocks): ...here.
4654 * tree-ssa-threadedge.c (jump_threader::thread_outgoing_edges):
4655 Abstract out threading candidate code to...
4656 (single_succ_to_potentially_threadable_block): ...here.
4657 * tree-ssa-threadedge.h (single_succ_to_potentially_threadable_block):
4659 * tree-ssa-threadupdate.c (register_jump_thread): Return boolean.
4660 * tree-ssa-threadupdate.h (class jump_thread_path_registry):
4661 Return bool from register_jump_thread.
4663 2021-07-29 Andreas Krebbel <krebbel@linux.ibm.com>
4665 * target.def: in0 and in1 do not need to be registers.
4666 * doc/tm.texi: Regenerate.
4668 2021-07-29 liuhongt <hongtao.liu@intel.com>
4671 * config/i386/i386.c (ix86_widen_mult_cost): New function.
4672 (ix86_add_stmt_cost): Use ix86_widen_mult_cost for
4675 2021-07-29 Jiufu Guo <guojiufu@linux.ibm.com>
4678 * config/rs6000/rs6000.c (TARGET_PREFERRED_DOLOOP_MODE): New hook.
4679 (rs6000_preferred_doloop_mode): New hook.
4680 * doc/tm.texi: Regenerate.
4681 * doc/tm.texi.in: Add hook preferred_doloop_mode.
4682 * target.def (preferred_doloop_mode): New hook.
4683 * targhooks.c (default_preferred_doloop_mode): New hook.
4684 * targhooks.h (default_preferred_doloop_mode): New hook.
4685 * tree-ssa-loop-ivopts.c (compute_doloop_base_on_mode): New function.
4686 (add_iv_candidate_for_doloop): Call targetm.preferred_doloop_mode
4687 and compute_doloop_base_on_mode.
4689 2021-07-28 Martin Sebor <msebor@redhat.com>
4691 PR middle-end/101494
4692 * tree-ssa-uninit.c (maybe_warn_operand): Correct object offset
4693 and size computation.
4695 2021-07-28 Martin Sebor <msebor@redhat.com>
4697 PR middle-end/101601
4698 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Remove
4700 Handle pointers to functions.
4702 2021-07-28 Martin Sebor <msebor@redhat.com>
4704 * Makefile.in (OBJS): Add gimple-ssa-warn-access.o and pointer-query.o.
4705 * attribs.h (fndecl_dealloc_argno): Move fndecl_dealloc_argno to tree.h.
4706 * builtins.c (compute_objsize_r): Move to pointer-query.cc.
4707 (access_ref::access_ref): Same.
4708 (access_ref::phi): Same.
4709 (access_ref::get_ref): Same.
4710 (access_ref::size_remaining): Same.
4711 (access_ref::offset_in_range): Same.
4712 (access_ref::add_offset): Same.
4713 (access_ref::inform_access): Same.
4714 (ssa_name_limit_t::visit_phi): Same.
4715 (ssa_name_limit_t::leave_phi): Same.
4716 (ssa_name_limit_t::next): Same.
4717 (ssa_name_limit_t::next_phi): Same.
4718 (ssa_name_limit_t::~ssa_name_limit_t): Same.
4719 (pointer_query::pointer_query): Same.
4720 (pointer_query::get_ref): Same.
4721 (pointer_query::put_ref): Same.
4722 (pointer_query::flush_cache): Same.
4723 (warn_string_no_nul): Move to gimple-ssa-warn-access.cc.
4724 (check_nul_terminated_array): Same.
4725 (unterminated_array): Same.
4726 (maybe_warn_for_bound): Same.
4727 (check_read_access): Same.
4728 (warn_for_access): Same.
4729 (get_size_range): Same.
4730 (check_access): Same.
4731 (gimple_call_alloc_size): Move to tree.c.
4732 (gimple_parm_array_size): Move to pointer-query.cc.
4733 (get_offset_range): Same.
4734 (gimple_call_return_array): Same.
4735 (handle_min_max_size): Same.
4736 (handle_array_ref): Same.
4737 (handle_mem_ref): Same.
4738 (compute_objsize): Same.
4739 (gimple_call_alloc_p): Move to gimple-ssa-warn-access.cc.
4740 (call_dealloc_argno): Same.
4741 (fndecl_dealloc_argno): Same.
4742 (new_delete_mismatch_p): Same.
4743 (matching_alloc_calls_p): Same.
4744 (warn_dealloc_offset): Same.
4745 (maybe_emit_free_warning): Same.
4746 * builtins.h (check_nul_terminated_array): Move to
4747 gimple-ssa-warn-access.h.
4748 (check_nul_terminated_array): Same.
4749 (warn_string_no_nul): Same.
4750 (unterminated_array): Same.
4751 (class ssa_name_limit_t): Same.
4752 (class pointer_query): Same.
4753 (struct access_ref): Same.
4754 (class range_query): Same.
4755 (struct access_data): Same.
4756 (gimple_call_alloc_size): Same.
4757 (gimple_parm_array_size): Same.
4758 (compute_objsize): Same.
4759 (class access_data): Same.
4760 (maybe_emit_free_warning): Same.
4761 * calls.c (initialize_argument_information): Remove call to
4762 maybe_emit_free_warning.
4763 * gimple-array-bounds.cc: Include new header..
4764 * gimple-fold.c: Same.
4765 * gimple-ssa-sprintf.c: Same.
4766 * gimple-ssa-warn-restrict.c: Same.
4767 * passes.def: Add pass_warn_access.
4768 * tree-pass.h (make_pass_warn_access): Declare.
4769 * tree-ssa-strlen.c: Include new headers.
4770 * tree.c (fndecl_dealloc_argno): Move here from builtins.c.
4771 * tree.h (fndecl_dealloc_argno): Move here from attribs.h.
4772 * gimple-ssa-warn-access.cc: New file.
4773 * gimple-ssa-warn-access.h: New file.
4774 * pointer-query.cc: New file.
4775 * pointer-query.h: New file.
4777 2021-07-28 Jakub Jelinek <jakub@redhat.com>
4779 PR middle-end/101624
4780 * ubsan.c (maybe_instrument_pointer_overflow,
4781 instrument_object_size): Only test DECL_REGISTER on VAR_DECLs,
4782 PARM_DECLs or RESULT_DECLs.
4783 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Likewise.
4785 2021-07-28 Jakub Jelinek <jakub@redhat.com>
4787 PR middle-end/101642
4788 * match.pd (bswap16 (x) == bswap16 (y)): Cast both operands
4789 to type of bswap16 for comparison.
4790 (bswap16 (x) == cst): Cast bswap16 operand to type of cst.
4792 2021-07-28 Richard Biener <rguenther@suse.de>
4794 PR tree-optimization/101615
4795 * tree-vect-slp.c (vect_optimize_slp): Materialize permutes
4796 at CTOR SLP graph entries.
4798 2021-07-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4800 * config/aarch64/aarch64.md (*extend<SHORT:mode><GPI:mode>2_aarch64):
4801 Add "r,w" alternative.
4803 2021-07-28 H.J. Lu <hjl.tools@gmail.com>
4806 * config/i386/i386.c (ix86_avx_u128_mode_needed): Don't set
4807 AVX_U128_DIRTY when all bits are zero.
4809 2021-07-28 Richard Biener <rguenther@suse.de>
4811 PR tree-optimization/101615
4812 * tree-vect-slp.c (vect_optimize_slp): Pre-existing vector
4813 external nodes cannot be permuted so make them perm_out 0.
4815 2021-07-28 Andrew Stubbs <ams@codesourcery.com>
4818 * config.in: Regenerate.
4819 * config/gcn/gcn-hsa.h (A_FIJI): New define.
4820 (A_900): New define.
4821 (A_906): New define.
4822 (A_908): New define.
4823 (ASM_SPEC): Use A_FIJI, A_900, A_906 and A_908.
4824 * config/gcn/gcn.c (output_file_start): Adjust attributes according
4825 to the assembler capabilities.
4826 * config/gcn/mkoffload.c (main): Likewise.
4827 * configure: Regenerate.
4828 * configure.ac: Add tests for LLVM assembler attribute features.
4830 2021-07-28 Andrew MacLeod <amacleod@redhat.com>
4832 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Check for
4833 cond_false and cond_true on branches.
4835 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
4837 * config/aarch64/aarch64.c (aarch64_gen_adjusted_ldpstp): use
4840 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
4842 * alias.c (init_alias_analysis): Don't skip prologue/epilogue.
4844 2021-07-28 Jakub Jelinek <jakub@redhat.com>
4847 * config/i386/sse.md (vashr<mode>3): Split into vashrv8di3 expander
4848 and vashrv4di3 expander, where the latter requires just TARGET_AVX2
4849 and has special !TARGET_AVX512VL expansion.
4850 (vashrv2di3<mask_name>): Rename to ...
4851 (vashrv2di3): ... this. Change condition to TARGET_XOP || TARGET_AVX2
4852 and add special !TARGET_XOP && !TARGET_AVX512VL expansion.
4854 2021-07-28 Martin Uecker <muecker@gwdg.de>
4856 * calls.c (maybe_warn_rdwr_sizes): Correct argument
4857 numbers in warning that were switched.
4859 2021-07-28 Kewen Lin <linkw@linux.ibm.com>
4861 PR tree-optimization/101596
4862 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Fix wrong check
4863 by using new_type's precision instead.
4865 2021-07-28 liuhongt <hongtao.liu@intel.com>
4868 * config/i386/i386.h (processor_costs): Add new member
4870 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
4871 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
4872 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
4873 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
4874 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
4875 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
4876 generic_cost, core_cost): Initialize integer_to_sse same value
4878 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
4879 * config/i386/i386.c (ix86_builtin_vectorization_cost):
4880 Use integer_to_sse instead of sse_op to calculate the cost of
4883 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
4885 * config/rs6000/rs6000-gen-builtins.c (write_ovld_static_init): New
4887 (write_init_file): Call write_ovld_static_init.
4889 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
4891 * config/rs6000/rs6000-gen-builtins.c (write_bif_static_init): New
4893 (write_init_file): Call write_bif_static_init.
4895 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
4897 * config/rs6000/rs6000-gen-builtins.c (typemap): New struct.
4898 (TYPE_MAP_SIZE): New macro.
4899 (type_map): New initialized variable.
4900 (typemap_cmp): New function.
4901 (write_type_node): Likewise.
4902 (write_fntype_init): Implement.
4904 2021-07-27 Martin Sebor <msebor@redhat.com>
4906 PR tree-optimization/101584
4907 * tree-ssa-uninit.c (builtin_call_nomodifying_p): New function.
4908 (check_defs): Call it.
4910 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
4912 * tree-ssa-dom.c (dom_jump_threader_simplifier):
4913 Put avail_exprs_stack in the class, instead of passing it to
4914 jump_threader_simplifier.
4915 (dom_jump_threader_simplifier::simplify): Add state argument.
4916 (dom_opt_dom_walker): Add state.
4917 (pass_dominator::execute): Pass state to threader.
4918 (dom_opt_dom_walker::before_dom_children): Use state.
4919 * tree-ssa-threadedge.c (jump_threader::jump_threader): Replace
4921 (jump_threader::record_temporary_equivalences_from_phis):
4922 Register equivalences through the state variable.
4923 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
4924 Record ranges in a statement through the state variable.
4925 (jump_threader::simplify_control_stmt_condition): Pass state to
4927 (jump_threader::simplify_control_stmt_condition_1): Same.
4928 (jump_threader::thread_around_empty_blocks): Remove obsolete
4930 (jump_threader::thread_through_normal_block): Record equivalences
4931 on edge through the state variable.
4932 (jump_threader::thread_across_edge): Abstract state pushing.
4933 (jt_state::jt_state): New.
4934 (jt_state::push): New.
4935 (jt_state::pop): New.
4936 (jt_state::register_equiv): New.
4937 (jt_state::record_ranges_from_stmt): New.
4938 (jt_state::register_equivs_on_edge): New.
4939 (jump_threader_simplifier::jump_threader_simplifier): Move from
4941 (jump_threader_simplifier::simplify): Add state argument.
4942 * tree-ssa-threadedge.h (class jt_state): New.
4943 (class jump_threader): Add state to constructor.
4944 (class jump_threader_simplifier): Add state to simplify. Remove
4945 avail_exprs_stack from class.
4946 * tree-vrp.c (vrp_jump_threader_simplifier::simplify): Add state
4948 (vrp_jump_threader::vrp_jump_threader): Add state.
4949 (vrp_jump_threader::~vrp_jump_threader): Cleanup state.
4951 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
4953 * Makefile.in (OBJS): Add gimple-range-path.o.
4954 * gimple-range-path.cc: New file.
4955 * gimple-range-path.h: New file.
4957 2021-07-27 Jonathan Wright <jonathan.wright@arm.com>
4959 * config/aarch64/aarch64-simd.md: Push sign/zero-extension
4960 inside vec_duplicate for all patterns.
4961 * simplify-rtx.c (simplify_context::simplify_unary_operation_1):
4962 Push sign/zero-extension inside vec_duplicate.
4964 2021-07-27 Richard Biener <rguenther@suse.de>
4966 PR tree-optimization/101573
4967 * tree-ssa-uninit.c (warn_uninit_phi_uses): New function
4968 looking at uninitialized PHI arg defs in some constrained cases.
4969 (warn_uninitialized_vars): Call it.
4970 (execute_early_warn_uninitialized): Calculate dominators.
4972 2021-07-27 Richard Biener <rguenther@suse.de>
4974 PR tree-optimization/39821
4975 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): Use
4976 vector_stmt for widening arithmetic.
4977 (vectorizable_conversion): Adjust.
4979 2021-07-27 Martin Jambor <mjambor@suse.cz>
4981 * cgraph.h (ipa_replace_map): New field force_load_ref.
4982 * ipa-prop.h (ipa_param_descriptor): Reduce precision of move_cost,
4983 aded new flag load_dereferenced, adjusted comments.
4984 (ipa_get_param_dereferenced): New function.
4985 (ipa_set_param_dereferenced): Likewise.
4986 * cgraphclones.c (cgraph_node::create_virtual_clone): Follow it.
4987 * ipa-cp.c: Include gimple.h.
4988 (ipcp_discover_new_direct_edges): Take into account dereferenced flag.
4989 (get_replacement_map): New parameter force_load_ref, set the
4990 appropriate flag in ipa_replace_map if set.
4991 (struct symbol_and_index_together): New type.
4992 (adjust_refs_in_act_callers): New function.
4993 (adjust_references_in_caller): Likewise.
4994 (create_specialized_node): When appropriate, call
4995 adjust_references_in_caller and force only load references.
4996 * ipa-prop.c (load_from_dereferenced_name): New function.
4997 (ipa_analyze_controlled_uses): Also detect loads from a
4998 dereference, harden testing of call statements.
4999 (ipa_write_node_info): Stream the dereferenced flag.
5000 (ipa_read_node_info): Likewise.
5001 (ipa_set_jf_constant): Also create refdesc when jump function
5002 references a variable.
5003 (cgraph_node_for_jfunc): Rename to symtab_node_for_jfunc, work
5004 also on references of variables and return a symtab_node. Adjust
5006 (propagate_controlled_uses): Also remove references to VAR_DECLs.
5008 2021-07-27 Jakub Jelinek <jakub@redhat.com>
5010 PR middle-end/101586
5011 * gimple-fold.c (clear_padding_type): Ignore FIELD_DECLs with byte
5012 positions above or equal to sz except for diagnostics of flexible
5015 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
5017 PR tree-optimization/78888
5018 * gimple-range-fold.cc (get_letter_range): New.
5019 (fold_using_range::range_of_builtin_call): Call get_letter_range.
5021 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
5023 PR tree-optimization/78888
5024 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Add cases
5025 for CFN_BUILT_IN_TOUPPER and CFN_BUILT_IN_TOLOWER.
5027 2021-07-26 Roger Sayle <roger@nextmovesoftware.com>
5028 Marc Glisse <marc.glisse@inria.fr>
5030 * match.pd (rotate): Simplify equality/inequality of rotations.
5031 (bswap): Simplify equality/inequality tests of byte swapping.
5033 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
5035 * range-op.cc (operator_bitwise_xor::op1_op2_relation_effect):
5038 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
5040 * range-op.cc (operator_lshift::fold_range): Pass rel to
5041 base class fold_range.
5042 (operator_rshift::fold_range): Same.
5044 2021-07-26 Ashimida <ashimida@linux.alibaba.com>
5047 * toplev.h (min_align_loops_log): Remove declaration.
5048 (min_align_jumps_log, min_align_labels_log): Likewise.
5049 (min_align_functions_log): Likewise.
5051 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
5053 * tree-vrp.c (vrp_simplify_cond_using_ranges): Rename vr_values
5055 (execute_vrp): Abstract out simplification of conditionals...
5056 (simplify_casted_conds): ...here.
5058 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
5060 * gimple-array-bounds.cc (array_bounds_checker::get_value_range):
5061 Add gimple argument.
5062 (array_bounds_checker::check_array_ref): Same.
5063 (array_bounds_checker::check_addr_expr): Same.
5064 (array_bounds_checker::check_array_bounds): Pass statement to
5065 check_array_bounds and check_addr_expr.
5066 * gimple-array-bounds.h (check_array_bounds): Add gimple argument.
5067 (check_addr_expr): Same.
5068 (get_value_range): Same.
5070 2021-07-26 Tamar Christina <tamar.christina@arm.com>
5072 * config/aarch64/aarch64-simd-builtins.def (sdot, udot): Rename to..
5073 (sdot_prod, udot_prod): ... This.
5074 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>): Merged
5076 (<sur>dot_prod<vsi2qi>): ... this.
5077 (aarch64_<sur>dot_lane<vsi2qi>, aarch64_<sur>dot_laneq<vsi2qi>):
5078 Change operands order.
5079 (<sur>sadv16qi): Use new operands order.
5080 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32,
5081 vdotq_s32): Use new RTL ordering.
5083 2021-07-26 Tamar Christina <tamar.christina@arm.com>
5085 * config/aarch64/aarch64-builtins.c (TYPES_TERNOP_SUSS,
5086 aarch64_types_ternop_suss_qualifiers): New.
5087 * config/aarch64/aarch64-simd-builtins.def (usdot_prod): Use it.
5088 * config/aarch64/aarch64-simd.md (usdot_prod<vsi2qi>): Re-organize RTL.
5089 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Use it.
5091 2021-07-23 Jakub Jelinek <jakub@redhat.com>
5093 PR rtl-optimization/101562
5094 * expmed.c (store_integral_bit_field): Only use movstrict_optab
5095 if the operand isn't paradoxical.
5097 2021-07-23 Aldy Hernandez <aldyh@redhat.com>
5099 * gimple-array-bounds.h (class array_bounds_checker): Change
5100 ranges type to range_query.
5102 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5104 * config/aarch64/arm_neon.h (vst1_s64_x2): Use
5105 __builtin_memcpy instead of constructing
5106 __builtin_aarch64_simd_oi one vector at a time.
5107 (vst1_u64_x2): Likewise.
5108 (vst1_f64_x2): Likewise.
5109 (vst1_s8_x2): Likewise.
5110 (vst1_p8_x2): Likewise.
5111 (vst1_s16_x2): Likewise.
5112 (vst1_p16_x2): Likewise.
5113 (vst1_s32_x2): Likewise.
5114 (vst1_u8_x2): Likewise.
5115 (vst1_u16_x2): Likewise.
5116 (vst1_u32_x2): Likewise.
5117 (vst1_f16_x2): Likewise.
5118 (vst1_f32_x2): Likewise.
5119 (vst1_p64_x2): Likewise.
5120 (vst1q_s8_x2): Likewise.
5121 (vst1q_p8_x2): Likewise.
5122 (vst1q_s16_x2): Likewise.
5123 (vst1q_p16_x2): Likewise.
5124 (vst1q_s32_x2): Likewise.
5125 (vst1q_s64_x2): Likewise.
5126 (vst1q_u8_x2): Likewise.
5127 (vst1q_u16_x2): Likewise.
5128 (vst1q_u32_x2): Likewise.
5129 (vst1q_u64_x2): Likewise.
5130 (vst1q_f16_x2): Likewise.
5131 (vst1q_f32_x2): Likewise.
5132 (vst1q_f64_x2): Likewise.
5133 (vst1q_p64_x2): Likewise.
5135 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5137 * config/aarch64/arm_neon.h (vst1_s64_x3): Use
5138 __builtin_memcpy instead of constructing
5139 __builtin_aarch64_simd_ci one vector at a time.
5140 (vst1_u64_x3): Likewise.
5141 (vst1_f64_x3): Likewise.
5142 (vst1_s8_x3): Likewise.
5143 (vst1_p8_x3): Likewise.
5144 (vst1_s16_x3): Likewise.
5145 (vst1_p16_x3): Likewise.
5146 (vst1_s32_x3): Likewise.
5147 (vst1_u8_x3): Likewise.
5148 (vst1_u16_x3): Likewise.
5149 (vst1_u32_x3): Likewise.
5150 (vst1_f16_x3): Likewise.
5151 (vst1_f32_x3): Likewise.
5152 (vst1_p64_x3): Likewise.
5153 (vst1q_s8_x3): Likewise.
5154 (vst1q_p8_x3): Likewise.
5155 (vst1q_s16_x3): Likewise.
5156 (vst1q_p16_x3): Likewise.
5157 (vst1q_s32_x3): Likewise.
5158 (vst1q_s64_x3): Likewise.
5159 (vst1q_u8_x3): Likewise.
5160 (vst1q_u16_x3): Likewise.
5161 (vst1q_u32_x3): Likewise.
5162 (vst1q_u64_x3): Likewise.
5163 (vst1q_f16_x3): Likewise.
5164 (vst1q_f32_x3): Likewise.
5165 (vst1q_f64_x3): Likewise.
5166 (vst1q_p64_x3): Likewise.
5168 2021-07-23 H.J. Lu <hjl.tools@gmail.com>
5171 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): Don't return
5172 hard register when LRA is in progress.
5174 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5176 * config/aarch64/arm_neon.h (vst1_s8_x4): Use
5177 __builtin_memcpy instead of using a union.
5178 (vst1q_s8_x4): Likewise.
5179 (vst1_s16_x4): Likewise.
5180 (vst1q_s16_x4): Likewise.
5181 (vst1_s32_x4): Likewise.
5182 (vst1q_s32_x4): Likewise.
5183 (vst1_u8_x4): Likewise.
5184 (vst1q_u8_x4): Likewise.
5185 (vst1_u16_x4): Likewise.
5186 (vst1q_u16_x4): Likewise.
5187 (vst1_u32_x4): Likewise.
5188 (vst1q_u32_x4): Likewise.
5189 (vst1_f16_x4): Likewise.
5190 (vst1q_f16_x4): Likewise.
5191 (vst1_f32_x4): Likewise.
5192 (vst1q_f32_x4): Likewise.
5193 (vst1_p8_x4): Likewise.
5194 (vst1q_p8_x4): Likewise.
5195 (vst1_p16_x4): Likewise.
5196 (vst1q_p16_x4): Likewise.
5197 (vst1_s64_x4): Likewise.
5198 (vst1_u64_x4): Likewise.
5199 (vst1_p64_x4): Likewise.
5200 (vst1q_s64_x4): Likewise.
5201 (vst1q_u64_x4): Likewise.
5202 (vst1q_p64_x4): Likewise.
5203 (vst1_f64_x4): Likewise.
5204 (vst1q_f64_x4): Likewise.
5206 2021-07-23 Jonathan Wrightt <jonathan.wright@arm.com>
5208 * config/aarch64/arm_neon.h (vst2_s64): Use __builtin_memcpy
5209 instead of constructing __builtin_aarch64_simd_oi one vector
5211 (vst2_u64): Likewise.
5212 (vst2_f64): Likewise.
5213 (vst2_s8): Likewise.
5214 (vst2_p8): Likewise.
5215 (vst2_s16): Likewise.
5216 (vst2_p16): Likewise.
5217 (vst2_s32): Likewise.
5218 (vst2_u8): Likewise.
5219 (vst2_u16): Likewise.
5220 (vst2_u32): Likewise.
5221 (vst2_f16): Likewise.
5222 (vst2_f32): Likewise.
5223 (vst2_p64): Likewise.
5224 (vst2q_s8): Likewise.
5225 (vst2q_p8): Likewise.
5226 (vst2q_s16): Likewise.
5227 (vst2q_p16): Likewise.
5228 (vst2q_s32): Likewise.
5229 (vst2q_s64): Likewise.
5230 (vst2q_u8): Likewise.
5231 (vst2q_u16): Likewise.
5232 (vst2q_u32): Likewise.
5233 (vst2q_u64): Likewise.
5234 (vst2q_f16): Likewise.
5235 (vst2q_f32): Likewise.
5236 (vst2q_f64): Likewise.
5237 (vst2q_p64): Likewise.
5239 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5241 * config/aarch64/arm_neon.h (vst3_s64): Use __builtin_memcpy
5242 instead of constructing __builtin_aarch64_simd_ci one vector
5244 (vst3_u64): Likewise.
5245 (vst3_f64): Likewise.
5246 (vst3_s8): Likewise.
5247 (vst3_p8): Likewise.
5248 (vst3_s16): Likewise.
5249 (vst3_p16): Likewise.
5250 (vst3_s32): Likewise.
5251 (vst3_u8): Likewise.
5252 (vst3_u16): Likewise.
5253 (vst3_u32): Likewise.
5254 (vst3_f16): Likewise.
5255 (vst3_f32): Likewise.
5256 (vst3_p64): Likewise.
5257 (vst3q_s8): Likewise.
5258 (vst3q_p8): Likewise.
5259 (vst3q_s16): Likewise.
5260 (vst3q_p16): Likewise.
5261 (vst3q_s32): Likewise.
5262 (vst3q_s64): Likewise.
5263 (vst3q_u8): Likewise.
5264 (vst3q_u16): Likewise.
5265 (vst3q_u32): Likewise.
5266 (vst3q_u64): Likewise.
5267 (vst3q_f16): Likewise.
5268 (vst3q_f32): Likewise.
5269 (vst3q_f64): Likewise.
5270 (vst3q_p64): Likewise.
5272 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5274 * config/aarch64/arm_neon.h (vst4_s64): Use __builtin_memcpy
5275 instead of constructing __builtin_aarch64_simd_xi one vector
5277 (vst4_u64): Likewise.
5278 (vst4_f64): Likewise.
5279 (vst4_s8): Likewise.
5280 (vst4_p8): Likewise.
5281 (vst4_s16): Likewise.
5282 (vst4_p16): Likewise.
5283 (vst4_s32): Likewise.
5284 (vst4_u8): Likewise.
5285 (vst4_u16): Likewise.
5286 (vst4_u32): Likewise.
5287 (vst4_f16): Likewise.
5288 (vst4_f32): Likewise.
5289 (vst4_p64): Likewise.
5290 (vst4q_s8): Likewise.
5291 (vst4q_p8): Likewise.
5292 (vst4q_s16): Likewise.
5293 (vst4q_p16): Likewise.
5294 (vst4q_s32): Likewise.
5295 (vst4q_s64): Likewise.
5296 (vst4q_u8): Likewise.
5297 (vst4q_u16): Likewise.
5298 (vst4q_u32): Likewise.
5299 (vst4q_u64): Likewise.
5300 (vst4q_f16): Likewise.
5301 (vst4q_f32): Likewise.
5302 (vst4q_f64): Likewise.
5303 (vst4q_p64): Likewise.
5305 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5307 * config/aarch64/arm_neon.h (vtbx4_s8): Use __builtin_memcpy
5308 instead of constructing __builtin_aarch64_simd_oi one vector
5310 (vtbx4_u8): Likewise.
5311 (vtbx4_p8): Likewise.
5313 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5315 * config/aarch64/arm_neon.h (vtbl3_s8): Use __builtin_memcpy
5316 instead of constructing __builtin_aarch64_simd_oi one vector
5318 (vtbl3_u8): Likewise.
5319 (vtbl3_p8): Likewise.
5320 (vtbl4_s8): Likewise.
5321 (vtbl4_u8): Likewise.
5322 (vtbl4_p8): Likewise.
5324 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5326 * config/aarch64/arm_neon.h (vqtbx2_s8): Use __builtin_memcpy
5327 instead of constructing __builtin_aarch64_simd_oi one vector
5329 (vqtbx2_u8): Likewise.
5330 (vqtbx2_p8): Likewise.
5331 (vqtbx2q_s8): Likewise.
5332 (vqtbx2q_u8): Likewise.
5333 (vqtbx2q_p8): Likewise.
5334 (vqtbx3_s8): Use __builtin_memcpy instead of constructing
5335 __builtin_aarch64_simd_ci one vector at a time.
5336 (vqtbx3_u8): Likewise.
5337 (vqtbx3_p8): Likewise.
5338 (vqtbx3q_s8): Likewise.
5339 (vqtbx3q_u8): Likewise.
5340 (vqtbx3q_p8): Likewise.
5341 (vqtbx4_s8): Use __builtin_memcpy instead of constructing
5342 __builtin_aarch64_simd_xi one vector at a time.
5343 (vqtbx4_u8): Likewise.
5344 (vqtbx4_p8): Likewise.
5345 (vqtbx4q_s8): Likewise.
5346 (vqtbx4q_u8): Likewise.
5347 (vqtbx4q_p8): Likewise.
5349 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
5351 * config/aarch64/arm_neon.h (vqtbl2_s8): Use __builtin_memcpy
5352 instead of constructing __builtin_aarch64_simd_oi one vector
5354 (vqtbl2_u8): Likewise.
5355 (vqtbl2_p8): Likewise.
5356 (vqtbl2q_s8): Likewise.
5357 (vqtbl2q_u8): Likewise.
5358 (vqtbl2q_p8): Likewise.
5359 (vqtbl3_s8): Use __builtin_memcpy instead of constructing
5360 __builtin_aarch64_simd_ci one vector at a time.
5361 (vqtbl3_u8): Likewise.
5362 (vqtbl3_p8): Likewise.
5363 (vqtbl3q_s8): Likewise.
5364 (vqtbl3q_u8): Likewise.
5365 (vqtbl3q_p8): Likewise.
5366 (vqtbl4_s8): Use __builtin_memcpy instead of constructing
5367 __builtin_aarch64_simd_xi one vector at a time.
5368 (vqtbl4_u8): Likewise.
5369 (vqtbl4_p8): Likewise.
5370 (vqtbl4q_s8): Likewise.
5371 (vqtbl4q_u8): Likewise.
5372 (vqtbl4q_p8): Likewise.
5374 2021-07-23 Haochen Gui <guihaoc@gcc.gnu.org>
5377 * config/rs6000/rs6000.md (cstore<mode>4): Fix wrong fall through.
5379 2021-07-22 Andrew Pinski <apinski@marvell.com>
5381 PR tree-optimization/10153
5382 * tree-tailcall.c (create_tailcall_accumulator):
5383 Don't call fold_convert as the type should be correct already.
5384 (tree_optimize_tail_calls_1): Use build_{one,zero}_cst instead
5385 of integer_{one,zero}_node for the call of create_tailcall_accumulator.
5387 2021-07-22 Aldy Hernandez <aldyh@redhat.com>
5389 * gimple-range-cache.cc (non_null_ref::adjust_range): Replace
5390 varying_p check for null/non-null check.
5392 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
5394 PR tree-optimization/101511
5395 * value-relation.cc (relation_oracle::query_relation): Check if ssa1
5396 is in ssa2's equiv set, and don't trap if so.
5398 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
5400 PR tree-optimization/101497
5401 * gimple-range-fold.cc (fold_using_range::range_of_cond_expr): Check
5404 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
5406 PR tree-optimization/101496
5407 * vr-values.c (simplify_using_ranges::fold_cond): Call range_of_stmt
5408 first, then vrp_visit_cond_Stmt.
5410 2021-07-22 liuhongt <hongtao.liu@intel.com>
5412 * config/i386/i386-expand.c
5413 (ix86_broadcast_from_integer_constant): Rename to ..
5414 (ix86_broadcast_from_constant): .. this, and extend it to
5416 (ix86_expand_vector_move): Extend to float mode.
5417 * config/i386/i386-features.c
5418 (replace_constant_pool_with_broadcast): Remove.
5419 (remove_partial_avx_dependency_gate): Ditto.
5420 (constant_pool_broadcast): Ditto.
5421 (class pass_constant_pool_broadcast): Ditto.
5422 (make_pass_constant_pool_broadcast): Ditto.
5423 (remove_partial_avx_dependency): Adjust gate.
5424 * config/i386/i386-passes.def: Remove pass_constant_pool_broadcast.
5425 * config/i386/i386-protos.h
5426 (make_pass_constant_pool_broadcast): Remove.
5428 2021-07-22 liuhongt <hongtao.liu@intel.com>
5430 * config/i386/constraints.md (Wb): New constraint.
5432 * config/i386/i386.md (*ashlhi3_1): Extend to avx512 mask
5434 (*ashlqi3_1): Ditto.
5435 (*<insn><mode>3_1): Split to ..
5436 (*ashr<mode>3_1): this, ...
5437 (*lshr<mode>3_1): and this, also extend this pattern to avx512
5439 (*<insn><mode>3_1): Split to ..
5440 (*ashr<mode>3_1): this, ...
5441 (*lshrqi3_1): and this, also extend this pattern to avx512
5443 (*lshrhi3_1): And this, also extend this pattern to avx512
5445 * config/i386/sse.md (k<code><mode>): New define_split after
5446 it to convert generic shift pattern to mask shift ones.
5448 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
5449 Joseph Myers <joseph@codesourcery.com>
5450 Cesar Philippidis <cesar@codesourcery.com>
5452 * tree-core.h (omp_clause_code): Add 'OMP_CLAUSE_NOHOST'.
5453 * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
5455 * tree-pretty-print.c (dump_omp_clause): Likewise.
5456 * omp-general.c (oacc_verify_routine_clauses): Likewise.
5457 * gimplify.c (gimplify_scan_omp_clauses)
5458 (gimplify_adjust_omp_clauses): Likewise.
5459 * tree-nested.c (convert_nonlocal_omp_clauses)
5460 (convert_local_omp_clauses): Likewise.
5461 * omp-low.c (scan_sharing_clauses): Likewise.
5462 * omp-offload.c (execute_oacc_device_lower): Update.
5464 2021-07-21 Martin Sebor <msebor@redhat.com>
5466 * tree-ssa-alias.c (walk_aliased_vdefs_1): Fix typos in a comment.
5468 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5470 * config/rs6000/rs6000-gen-builtins.c (write_init_bif_table):
5473 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5475 * config/rs6000/rs6000-gen-builtins.c (write_fntype): New
5477 (write_fntype_init): New stub function.
5478 (write_init_bif_table): Likewise.
5479 (write_init_ovld_table): New function.
5480 (write_init_file): Implement.
5482 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5484 * config/rs6000/rs6000-gen-builtins.c
5485 (write_autogenerated_header): New function.
5486 (write_decls): Likewise.
5487 (write_extern_fntype): New callback function.
5488 (write_header_file): Implement.
5490 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5492 * config/rs6000/rs6000-gen-builtins.c (write_defines_file):
5495 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5497 * config/rs6000/rs6000-gen-builtins.c (complete_vector_type): New
5499 (complete_base_type): Likewise.
5500 (construct_fntype_id): Likewise.
5501 (parse_bif_entry): Call contruct_fntype_id.
5502 (parse_ovld_entry): Likewise.
5504 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5506 * config/rs6000/rs6000-gen-builtins.c (ovld_stanza): New struct.
5507 (MAXOVLDSTANZAS): New macro.
5508 (ovld_stanzas): New variable.
5509 (curr_ovld_stanza): Likewise.
5510 (MAXOVLDS): New macro.
5511 (ovlddata): New struct.
5512 (ovlds): New variable.
5513 (curr_ovld): Likewise.
5514 (max_ovld_args): Likewise.
5515 (parse_ovld_entry): New function.
5516 (parse_ovld_stanza): Likewise.
5517 (parse_ovld): Implement.
5519 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5521 * config/rs6000/rs6000-gen-builtins.c (parse_bif_attrs):
5524 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5526 * config/rs6000/rs6000-gen-builtins.c (parse_args): New function.
5527 (parse_prototype): Implement.
5529 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5531 * config/rs6000/rs6000-gen-builtins.c (bif_stanza): New enum.
5532 (curr_bif_stanza): New variable.
5533 (stanza_entry): New struct.
5534 (stanza_map): New initialized variable.
5535 (enable_string): Likewise.
5536 (fnkinds): New enum.
5537 (typelist): New struct.
5538 (attrinfo): Likewise.
5539 (MAXRESTROPNDS): New macro.
5540 (prototype): New struct.
5541 (MAXBIFS): New macro.
5542 (bifdata): New struct.
5543 (bifs): New variable.
5544 (curr_bif): Likewise.
5545 (bif_order): Likewise.
5546 (bif_index): Likewise.
5547 (fatal): New function.
5548 (stanza_name_to_stanza): Likewise.
5549 (parse_bif_attrs): New stub function.
5550 (parse_prototype): Likewise.
5551 (parse_bif_entry): New function.
5552 (parse_bif_stanza): Likewise.
5553 (parse_bif): Implement.
5554 (set_bif_order): New function.
5555 (create_bif_order): Implement.
5557 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
5559 * config/rs6000/rs6000-gen-builtins.c (rbtree.h): New #include.
5560 (num_bifs): New variable.
5561 (num_ovld_stanzas): Likewise.
5562 (num_ovlds): Likewise.
5563 (parse_codes): New enum.
5564 (bif_rbt): New variable.
5565 (ovld_rbt): Likewise.
5566 (fntype_rbt): Likewise.
5567 (bifo_rbt): Likewise.
5568 (parse_bif): New stub function.
5569 (create_bif_order): Likewise.
5570 (parse_ovld): Likewise.
5571 (write_header_file): Likewise.
5572 (write_init_file): Likewise.
5573 (write_defines_file): Likewise.
5574 (delete_output_files): New function.
5577 2021-07-21 H.J. Lu <hjl.tools@gmail.com>
5580 * config/i386/i386-builtin.def: Remove OPTION_MASK_ISA_SSE4_2
5581 from CRC32 _builtin functions.
5583 2021-07-21 Sebastian Huber <sebastian.huber@embedded-brains.de>
5585 * coverage.c (build_gcov_info_var_registration): Mark the object placed
5586 in the linker set as referenced so that it does not get optimized away.
5588 2021-07-21 Kito Cheng <kito.cheng@sifive.com>
5591 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
5593 * config.gcc (riscv*-*-*): Detect which python is available.
5595 2021-07-21 Jakub Jelinek <jakub@redhat.com>
5597 PR middle-end/101535
5598 * gimplify.c (omp_check_private): Properly skip ORT_TARGET_DATA
5599 contexts in which decl isn't privatized and for ORT_TARGET return
5600 false if decl is mapped.
5602 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
5604 * gimple-loop-jam.c: Include tree-ssa-sccvn.h.
5605 (tree_loop_unroll_and_jam): Run value-numbering on a loop that
5606 has been successfully unrolled.
5608 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
5610 * tree-ssa-loop-manip.c (determine_exit_conditions): Return a null
5611 exit condition if no tail loop is needed, and if the original exit
5612 condition should therefore be kept as-is.
5613 (tree_transform_and_unroll_loop): Handle that case here too.
5615 2021-07-21 Kewen Lin <linkw@linux.ibm.com>
5617 * tree-data-ref.c (free_dependence_relations): Adjust to pass vec
5619 (free_data_refs): Likewise.
5620 * tree-data-ref.h (free_dependence_relations): Likewise.
5621 (free_data_refs): Likewise.
5622 * tree-predcom.c (struct chain): Use auto_vec instead of vec for
5624 (struct component): Likewise.
5625 (pcom_worker::pcom_worker): Adjust for auto_vec and renaming changes.
5626 (pcom_worker::~pcom_worker): Likewise.
5627 (pcom_worker::release_chain): Adjust as auto_vec changes.
5628 (pcom_worker::loop): Rename to ...
5629 (pcom_worker::m_loop): ... this.
5630 (pcom_worker::datarefs): Rename to ...
5631 (pcom_worker::m_datarefs): ... this. Use auto_vec instead of vec.
5632 (pcom_worker::dependences): Rename to ...
5633 (pcom_worker::m_dependences): ... this. Use auto_vec instead of vec.
5634 (pcom_worker::chains): Rename to ...
5635 (pcom_worker::m_chains): ... this. Use auto_vec instead of vec.
5636 (pcom_worker::looparound_phis): Rename to ...
5637 (pcom_worker::m_looparound_phis): ... this. Use auto_vec instead of
5639 (pcom_worker::cache): Rename to ...
5640 (pcom_worker::m_cache): ... this. Use auto_vec instead of vec.
5641 (pcom_worker::release_chain): Adjust for auto_vec changes.
5642 (pcom_worker::release_chains): Adjust for auto_vec and renaming
5644 (release_component): Remove.
5645 (release_components): Adjust for release_component removal.
5646 (component_of): Adjust to use vec.
5647 (merge_comps): Likewise.
5648 (pcom_worker::aff_combination_dr_offset): Adjust for renaming changes.
5649 (pcom_worker::determine_offset): Likewise.
5650 (class comp_ptrs): Remove.
5651 (pcom_worker::split_data_refs_to_components): Adjust for renaming
5652 changes, for comp_ptrs removal with auto_vec.
5653 (pcom_worker::suitable_component_p): Adjust for renaming changes.
5654 (pcom_worker::filter_suitable_components): Adjust for release_component
5656 (pcom_worker::valid_initializer_p): Adjust for renaming changes.
5657 (pcom_worker::find_looparound_phi): Likewise.
5658 (pcom_worker::add_looparound_copies): Likewise.
5659 (pcom_worker::determine_roots_comp): Likewise.
5660 (pcom_worker::single_nonlooparound_use): Likewise.
5661 (pcom_worker::execute_pred_commoning_chain): Likewise.
5662 (pcom_worker::execute_pred_commoning): Likewise.
5663 (pcom_worker::try_combine_chains): Likewise.
5664 (pcom_worker::prepare_initializers_chain): Likewise.
5665 (pcom_worker::prepare_initializers): Likewise.
5666 (pcom_worker::prepare_finalizers_chain): Likewise.
5667 (pcom_worker::prepare_finalizers): Likewise.
5668 (pcom_worker::tree_predictive_commoning_loop): Likewise.
5670 2021-07-20 Martin Sebor <msebor@redhat.com>
5672 PR middle-end/101397
5673 * builtins.c (gimple_call_return_array): Add argument. Correct
5674 offsets for memchr, mempcpy, stpcpy, and stpncpy.
5675 (compute_objsize_r): Adjust offset computation for argument returning
5678 2021-07-20 Martin Sebor <msebor@redhat.com>
5680 PR middle-end/101300
5681 * tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
5683 2021-07-20 Jeff Law <jlaw@localhost.localdomain>
5685 * function.c (assign_parm_setup_block): Use adjust_address instead
5686 of change_address to preserve MEM_EXPR and friends.
5688 2021-07-20 Martin Sebor <msebor@redhat.com>
5690 * cfgloop.h (single_likely_exit): Adjust by-value argument to
5692 * cfgloopanal.c (single_likely_exit): Same.
5693 * cgraph.h (struct cgraph_node): Same.
5694 * cgraphclones.c (cgraph_node::create_virtual_clone): Same.
5695 * genautomata.c (merge_states): Same.
5696 * genextract.c (VEC_char_to_string): Same.
5697 * genmatch.c (dt_node::gen_kids_1): Same.
5698 (walk_captures): Adjust by-value argument to by-reference.
5699 * gimple-ssa-store-merging.c (check_no_overlap): Adjust by-value argument
5700 to by-const-reference.
5701 * gimple.c (gimple_build_call_vec): Same.
5702 (gimple_build_call_internal_vec): Same.
5703 (gimple_build_switch): Same.
5704 (sort_case_labels): Same.
5705 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
5707 * gimple.h (gimple_build_call_vec): Adjust by-value argument to
5709 (gimple_build_call_internal_vec): Same.
5710 (gimple_build_switch): Same.
5711 (sort_case_labels): Same.
5712 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
5714 * haifa-sched.c (calc_priorities): Adjust by-value argument to
5716 (sched_init_luids): Same.
5717 (haifa_init_h_i_d): Same.
5718 * ipa-cp.c (ipa_get_indirect_edge_target_1): Same.
5719 (adjust_callers_for_value_intersection): Adjust by-value argument to
5721 (find_more_scalar_values_for_callers_subset): Adjust by-value argument to
5723 (find_more_contexts_for_caller_subset): Same.
5724 (find_aggregate_values_for_callers_subset): Same.
5725 (copy_useful_known_contexts): Same.
5726 * ipa-fnsummary.c (remap_edge_summaries): Same.
5727 (remap_freqcounting_predicate): Same.
5728 * ipa-inline.c (add_new_edges_to_heap): Adjust by-value argument to
5730 * ipa-predicate.c (predicate::remap_after_inlining): Adjust by-value argument
5731 to by-const-reference.
5732 * ipa-predicate.h (predicate::remap_after_inlining): Same.
5733 * ipa-prop.c (ipa_find_agg_cst_for_param): Same.
5734 * ipa-prop.h (ipa_find_agg_cst_for_param): Same.
5735 * ira-build.c (ira_loop_tree_body_rev_postorder): Same.
5736 * read-rtl.c (add_overload_instance): Same.
5737 * rtl.h (native_decode_rtx): Same.
5738 (native_decode_vector_rtx): Same.
5739 * sched-int.h (sched_init_luids): Same.
5740 (haifa_init_h_i_d): Same.
5741 * simplify-rtx.c (native_decode_vector_rtx): Same.
5742 (native_decode_rtx): Same.
5743 * tree-call-cdce.c (gen_shrink_wrap_conditions): Same.
5744 (shrink_wrap_one_built_in_call_with_conds): Same.
5745 (shrink_wrap_conditional_dead_built_in_calls): Same.
5746 * tree-data-ref.c (create_runtime_alias_checks): Same.
5747 (compute_all_dependences): Same.
5748 * tree-data-ref.h (compute_all_dependences): Same.
5749 (create_runtime_alias_checks): Same.
5750 (index_in_loop_nest): Same.
5751 * tree-if-conv.c (mask_exists): Same.
5752 * tree-loop-distribution.c (class loop_distribution): Same.
5753 (loop_distribution::create_rdg_vertices): Same.
5754 (dump_rdg_partitions): Same.
5755 (debug_rdg_partitions): Same.
5756 (partition_contains_all_rw): Same.
5757 (loop_distribution::distribute_loop): Same.
5758 * tree-parloops.c (oacc_entry_exit_ok_1): Same.
5759 (oacc_entry_exit_single_gang): Same.
5760 * tree-ssa-loop-im.c (hoist_memory_references): Same.
5761 (loop_suitable_for_sm): Same.
5762 * tree-ssa-loop-niter.c (bound_index): Same.
5763 * tree-ssa-reassoc.c (update_ops): Same.
5764 (swap_ops_for_binary_stmt): Same.
5765 (rewrite_expr_tree): Same.
5766 (rewrite_expr_tree_parallel): Same.
5767 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Same.
5768 * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Same.
5769 * tree-ssa-structalias.c (process_all_all_constraints): Same.
5770 (make_constraints_to): Same.
5771 (handle_lhs_call): Same.
5772 (find_func_aliases_for_builtin_call): Same.
5773 (sort_fieldstack): Same.
5774 (check_for_overlaps): Same.
5775 * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Same.
5776 (vect_create_cond_for_unequal_addrs): Same.
5777 (vect_create_cond_for_lower_bounds): Same.
5778 (vect_create_cond_for_alias_checks): Same.
5779 * tree-vect-slp-patterns.c (vect_validate_multiplication): Same.
5780 * tree-vect-slp.c (vect_analyze_slp_instance): Same.
5781 (vect_make_slp_decision): Same.
5782 (vect_slp_bbs): Same.
5783 (duplicate_and_interleave): Same.
5784 (vect_transform_slp_perm_load): Same.
5785 (vect_schedule_slp): Same.
5786 * tree-vectorizer.h (vect_transform_slp_perm_load): Same.
5787 (vect_schedule_slp): Same.
5788 (duplicate_and_interleave): Same.
5789 * tree.c (build_vector_from_ctor): Same.
5790 (build_vector): Same.
5791 (check_vector_cst): Same.
5792 (check_vector_cst_duplicate): Same.
5793 (check_vector_cst_fill): Same.
5794 (check_vector_cst_stepped): Same.
5795 * tree.h (build_vector_from_ctor): Same.
5797 2021-07-20 Jakub Jelinek <jakub@redhat.com>
5800 * config/rs6000/rs6000-protos.h (easy_altivec_constant): Change return
5801 type from bool to int.
5802 * config/rs6000/rs6000.c (vspltis_constant): Fix up handling the
5803 EASY_VECTOR_MSB case if either step or copies is not 1.
5804 (vspltis_shifted): Fix comment typo.
5805 (easy_altivec_constant): Change return type from bool to int, instead
5806 of returning true return byte size of the element mode that should be
5807 used to synthetize the constant.
5808 * config/rs6000/predicates.md (easy_vector_constant_msb): Require
5809 that vspltis_shifted is 0, handle the case where easy_altivec_constant
5810 assumes using different vector mode from CONST_VECTOR's mode.
5811 * config/rs6000/altivec.md (easy_vector_constant_msb splitter): Use
5812 easy_altivec_constant to determine mode in which -1 >> -1 should be
5813 performed, use rs6000_expand_vector_init instead of gen_vec_initv4sisi.
5815 2021-07-20 Richard Biener <rguenther@suse.de>
5818 * dwarf2out.h (dwarf_file_data): Add key member.
5819 * dwarf2out.c (dwarf_file_hasher::equal): Compare key.
5820 (dwarf_file_hasher::hash): Hash key.
5821 (lookup_filename): Remap the filename and store it in the
5822 filename member of dwarf_file_data when creating a new
5824 (file_name_acquire): Do not remap the filename again.
5825 (maybe_emit_file): Likewise.
5827 2021-07-20 Jonathan Wright <jonathan.wright@arm.com>
5829 * config/aarch64/aarch64-simd-builtins.def: Use two variant
5830 generators for all TBL/TBX intrinsics and rename to
5831 consistent forms: qtbl[1234] or qtbx[1234].
5832 * config/aarch64/aarch64-simd.md (aarch64_tbl1<mode>):
5834 (aarch64_qtbl1<mode>): This.
5835 (aarch64_tbx1<mode>): Rename to...
5836 (aarch64_qtbx1<mode>): This.
5837 (aarch64_tbl2v16qi): Delete.
5838 (aarch64_tbl3<mode>): Rename to...
5839 (aarch64_qtbl2<mode>): This.
5840 (aarch64_tbx4<mode>): Rename to...
5841 (aarch64_qtbx2<mode>): This.
5842 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Use
5843 renamed qtbl1 and qtbl2 RTL patterns.
5844 * config/aarch64/arm_neon.h (vqtbl1_p8): Use renamed qtbl1
5846 (vqtbl1_s8): Likewise.
5847 (vqtbl1_u8): Likewise.
5848 (vqtbl1q_p8): Likewise.
5849 (vqtbl1q_s8): Likewise.
5850 (vqtbl1q_u8): Likewise.
5851 (vqtbx1_s8): Use renamed qtbx1 RTL pattern.
5852 (vqtbx1_u8): Likewise.
5853 (vqtbx1_p8): Likewise.
5854 (vqtbx1q_s8): Likewise.
5855 (vqtbx1q_u8): Likewise.
5856 (vqtbx1q_p8): Likewise.
5857 (vtbl1_s8): Use renamed qtbl1 RTL pattern.
5858 (vtbl1_u8): Likewise.
5859 (vtbl1_p8): Likewise.
5860 (vtbl2_s8): Likewise
5861 (vtbl2_u8): Likewise.
5862 (vtbl2_p8): Likewise.
5863 (vtbl3_s8): Use renamed qtbl2 RTL pattern.
5864 (vtbl3_u8): Likewise.
5865 (vtbl3_p8): Likewise.
5866 (vtbl4_s8): Likewise.
5867 (vtbl4_u8): Likewise.
5868 (vtbl4_p8): Likewise.
5869 (vtbx2_s8): Use renamed qtbx2 RTL pattern.
5870 (vtbx2_u8): Likewise.
5871 (vtbx2_p8): Likewise.
5872 (vqtbl2_s8): Use renamed qtbl2 RTL pattern.
5873 (vqtbl2_u8): Likewise.
5874 (vqtbl2_p8): Likewise.
5875 (vqtbl2q_s8): Likewise.
5876 (vqtbl2q_u8): Likewise.
5877 (vqtbl2q_p8): Likewise.
5878 (vqtbx2_s8): Use renamed qtbx2 RTL pattern.
5879 (vqtbx2_u8): Likewise.
5880 (vqtbx2_p8): Likewise.
5881 (vqtbx2q_s8): Likewise.
5882 (vqtbx2q_u8): Likewise.
5883 (vqtbx2q_p8): Likewise.
5884 (vtbx4_s8): Likewise.
5885 (vtbx4_u8): Likewise.
5886 (vtbx4_p8): Likewise.
5888 2021-07-20 Uroš Bizjak <ubizjak@gmail.com>
5891 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
5893 (define_peephole2 atomic_loaddi_fpu): Ditto.
5895 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
5897 * config.gcc (riscv*-*-*): Detect which python is available.
5899 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
5901 * config/rs6000/vsx.md (mulhs_<mode>): Rename to...
5902 (smul<mode>3_highpart): ... this.
5903 (mulhu_<mode>): Rename to...
5904 (umul<mode>3_highpart): ... this.
5905 * config/rs6000/rs6000-builtin.def (MULHS_V2DI, MULHS_V4SI,
5906 MULHU_V2DI, MULHU_V4SI): Adjust.
5908 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
5910 PR tree-optimization/100696
5911 * internal-fn.c (first_commutative_argument): Add info for IFN_MULH.
5912 * internal-fn.def (IFN_MULH): New internal function.
5913 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Add support to
5914 recog normal multiply highpart as IFN_MULH.
5915 * config/i386/i386.c (ix86_add_stmt_cost): Adjust for combined
5918 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
5920 * config/elfos.h (CTF_DEBUGGING_INFO): New definition.
5921 (BTF_DEBUGGING_INFO): Likewise.
5922 * doc/tm.texi.in: Document the new macros.
5923 * doc/tm.texi: Regenerated.
5924 * toplev.c: Guard initialization of debug hooks.
5926 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
5928 * flags.h (ctf_debuginfo_p): New function declaration.
5929 * opts.c (ctf_debuginfo_p): New function definition.
5931 2021-07-19 Andrew Stubbs <ams@codesourcery.com>
5934 * config/gcn/gcn-hsa.h (DRIVER_SELF_SPECS): New.
5935 (ASM_SPEC): Set -mattr for xnack and sram-ecc.
5936 * config/gcn/gcn-opts.h (enum sram_ecc_type): New.
5937 * config/gcn/gcn-valu.md: Add a warning comment.
5938 * config/gcn/gcn.c (gcn_option_override): Add "sorry" for -mxnack.
5939 (output_file_start): Add xnack and sram-ecc state to ".amdgcn_target".
5940 * config/gcn/gcn.md: Add a warning comment.
5941 * config/gcn/gcn.opt: Add -mxnack and -msram-ecc.
5942 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): Remove
5944 (EF_AMDGPU_XNACK): New.
5945 (EF_AMDGPU_SRAM_ECC): New.
5947 (copy_early_debug_info): Use elf_flags.
5948 (main): Handle -mxnack and -msram-ecc options.
5949 * doc/invoke.texi: Document -mxnack and -msram-ecc.
5951 2021-07-19 Andrew Pinski <apinski@marvell.com>
5954 * config/aarch64/aarch64.md (csneg3_uxtw_insn): Rename to ...
5955 (*cs<neg_not_cs>3_uxtw_insn4): and extend to NEG_NOT.
5957 2021-07-19 Richard Biener <rguenther@suse.de>
5959 PR tree-optimization/101505
5960 * tree-vect-patterns.c (vect_determine_precisions): Walk
5961 PHIs also for loop vectorization.
5963 2021-07-19 Richard Biener <rguenther@suse.de>
5965 * gimple.h (gimple_expr_type): Remove.
5966 * doc/gimple.texi: Remove gimple_expr_type documentation.
5968 2021-07-19 Richard Biener <rguenther@suse.de>
5970 * tree-ssa-sccvn.c (vn_reference_eq): Handle NULL vr->type.
5971 (ao_ref_init_from_vn_reference): Likewise.
5972 (fully_constant_reference): Likewise.
5973 (vn_reference_lookup_call): Do not set vr->type to random
5975 * tree-ssa-pre.c (compute_avail): Do not try to PRE calls
5977 * tree-vect-generic.c (expand_vector_piecewise): Pass in
5978 whether we expanded parallel.
5979 (expand_vector_parallel): Adjust.
5980 (expand_vector_addition): Likewise.
5981 (expand_vector_comparison): Likewise.
5982 (expand_vector_operation): Likewise.
5983 (expand_vector_scalar_condition): Likewise.
5984 (expand_vector_conversion): Likewise.
5986 2021-07-19 Richard Biener <rguenther@suse.de>
5988 * tree-vrp.c (register_edge_assert_for_2): Use the
5990 (vrp_folder::fold_predicate_in): Likewise.
5991 * vr-values.c (gimple_assign_nonzero_p): Likewise.
5992 (vr_values::extract_range_from_comparison): Likewise.
5993 (vr_values::extract_range_from_ubsan_builtin): Use the
5994 type of the first operand.
5995 (vr_values::extract_range_basic): Push down type
5996 computation, use the appropriate LHS.
5997 (vr_values::extract_range_from_assignment): Use the
6000 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
6003 * common/config/i386/i386-common.c (ix86_handle_option): For
6004 -mgeneral-regs-only, enable the GPR only instructions which are
6005 enabled implicitly by SSE ISAs unless they have been disabled
6008 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
6011 * config/i386/i386.c (ix86_check_avx_upper_stores): Moved before
6012 ix86_avx_u128_mode_needed.
6013 (ix86_avx_u128_mode_needed): Return AVX_U128_DIRTY if callee
6014 returns AVX register.
6016 2021-07-17 Jan Hubicka <hubicka@ucw.cz>
6018 * tree-ssa-structalias.c (handle_rhs_call): Support EAF_NOT_RETURNED.
6019 (handle_const_call): Liekise
6020 (handle_pure_call): Liekise
6022 2021-07-17 Andrew MacLeod <amacleod@redhat.com>
6024 PR tree-optimization/96542
6025 * range-op.cc (range_operator::wi_fold_in_parts): New.
6026 (range_operator::fold_range): Call wi_fold_in_parts.
6027 (operator_lshift::wi_fold): Fix broken lshift by [0,0].
6028 * range-op.h (wi_fold_in_parts): Add prototype.
6030 2021-07-16 David Malcolm <dmalcolm@redhat.com>
6032 * doc/analyzer.texi: Add __analyzer_dump_state.
6034 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6036 * config/rs6000/rbtree.c: New file.
6037 * config/rs6000/rbtree.h: New file.
6039 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6041 * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
6042 (typeinfo): Add restr field.
6043 (match_bracketed_pair): New function.
6044 (match_const_restriction): Implement.
6046 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6048 * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
6050 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6052 * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
6053 (basetype): Likewise.
6054 (typeinfo): Likewise.
6055 (handle_pointer): New function.
6056 (match_basetype): New stub function.
6057 (match_const_restriction): Likewise.
6058 (match_type): New function.
6060 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6062 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
6064 (advance_line): Likewise.
6065 (safe_inc_pos): Likewise.
6066 (match_identifier): Likewise.
6067 (match_integer): Likewise.
6068 (match_to_right_bracket): Likewise.
6070 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6072 * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
6073 (ovld_file): Likewise.
6074 (header_file): Likewise.
6075 (init_file): Likewise.
6076 (defines_file): Likewise.
6077 (pgm_path): Likewise.
6078 (bif_path): Likewise.
6079 (ovld_path): Likewise.
6080 (header_path): Likewise.
6081 (init_path): Likewise.
6082 (defines_path): Likewise.
6083 (LINELEN): New macro.
6084 (linebuf): New variable.
6088 (bif_diag): New function.
6089 (ovld_diag): Likewise.
6091 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6093 * config/rs6000/rs6000-builtin-new.def: New.
6094 * config/rs6000/rs6000-overload.def: New.
6096 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6098 * config/rs6000/rs6000-gen-builtins.c: New.
6100 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
6102 * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
6103 (s-gtype): Depend on EXTRA_GTYPE_DEPS.
6104 * gengtype-state.c (state_writer::write_state_file_list): Add a
6105 parameter to the fileslist expression for the number of build
6107 (read_state_files_list): Detect build headers and strip the
6108 initial "./" or ".\" from their names.
6109 * gengtype.c (build_headers): New global variable.
6110 (num_build_headers): Likewise.
6111 (open_base_files): Emit #include for each build header.
6112 (main): Detect and count build headers.
6113 * gengtype.h (build_headers): New extern variable.
6114 (num_build_headers): Likewise.
6116 2021-07-16 Richard Biener <rguenther@suse.de>
6118 * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
6119 the type of the LHS.
6120 (find_bswap_or_nop_1): Likewise.
6121 (find_bswap_or_nop): Likewise.
6122 * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
6124 * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
6125 Remove unused parameters, pass in the scalar type. Fix
6126 internal store function handling.
6127 * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
6128 (vect_get_vector_types_for_stmt): Move down check for
6129 existing vector stmt after we've determined a scalar type.
6130 Pass down the used scalar type to vect_get_smallest_scalar_type.
6131 * tree-vect-generic.c (expand_vector_condition): Use
6132 the type of the LHS.
6133 (expand_vector_scalar_condition): Likewise.
6134 (expand_vector_operations_1): Likewise.
6135 * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
6136 (vect_recog_dot_prod_pattern): Likewise.
6137 (vect_recog_sad_pattern): Likewise.
6138 (vect_recog_widen_op_pattern): Likewise.
6139 (vect_recog_widen_sum_pattern): Likewise.
6140 (vect_recog_mixed_size_cond_pattern): Likewise.
6142 2021-07-16 Jan Hubicka <hubicka@ucw.cz>
6144 * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
6145 (dump_eaf_flags): Dump EAF_NOT_RETURNED
6146 (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
6147 and EAF_NOT_RETURNED.
6148 (modref_summary::useful_p): Likewise.
6149 (modref_summary_lto::useful_p): Likewise.
6150 (struct) modref_summary_lto: Use eaf_fleags_t.
6151 (deref_flags): Handle EAF_NOT_RETURNED.
6152 (struct escape_point): Use min_flags.
6153 (modref_lattice::init): Add EAF_NOT_RETURNED.
6154 (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
6155 (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
6157 (analyze_parms): Also analyze const functions; update conition on
6159 (modref_write): Update streaming.
6160 (read_section): Update streaming.
6161 (remap_arg_flags): Use eaf_flags_t.
6162 (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
6163 * ipa-modref.h: (eaf_flags_t): New typedef.
6164 (struct modref_summary): Use eaf_flags_t.
6165 * tree-core.h (EAF_NOT_RETURNED): New constant.
6167 2021-07-16 Richard Biener <rguenther@suse.de>
6169 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
6170 the type of the LHS.
6171 (gimple_assign_nonnegative_warnv_p): Likewise.
6172 (gimple_call_nonnegative_warnv_p): Likewise. Return false
6173 if the call has no LHS.
6174 * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
6175 * tree-eh.c (stmt_could_throw_1_p): Likewise.
6176 * tree-inline.c (insert_init_stmt): Likewise.
6177 * tree-ssa-loop-niter.c (get_val_for): Likewise.
6178 * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
6180 * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
6181 gassign *. Use the type of the lhs.
6182 (vn_nary_op_lookup_stmt): Adjust.
6183 (vn_nary_op_insert_stmt): Likewise.
6185 2021-07-16 Ilya Leoshkevich <iii@linux.ibm.com>
6187 * config/s390/predicates.md (bras_sym_operand): Accept all
6188 functions in 64-bit mode, use UNSPEC_PLT31.
6189 (larl_operand): Use UNSPEC_PLT31.
6190 * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
6191 (legitimize_pic_address): Likewise.
6192 (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
6194 (s390_delegitimize_address): Use UNSPEC_PLT31.
6195 (s390_output_addr_const_extra): Likewise.
6196 (print_operand): Add @PLT to TLS calls, handle %K.
6197 (s390_function_profiler): Mark __fentry__/_mcount as function,
6198 use %K, use UNSPEC_PLT31.
6199 (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
6200 (s390_emit_call): Use UNSPEC_PLT31.
6201 (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
6202 * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
6203 (*movdi_64): Use %K.
6204 (reload_base_64): Likewise.
6205 (*sibcall_brc): Likewise.
6206 (*sibcall_brcl): Likewise.
6207 (*sibcall_value_brc): Likewise.
6208 (*sibcall_value_brcl): Likewise.
6211 (*bras_r): Likewise.
6212 (*brasl_r): Likewise.
6213 (*bras_tls): Likewise.
6214 (*brasl_tls): Likewise.
6215 (main_base_64): Likewise.
6216 (reload_base_64): Likewise.
6217 (@split_stack_call<mode>): Likewise.
6219 2021-07-16 Richard Biener <rguenther@suse.de>
6221 PR tree-optimization/101467
6222 * tree-vect-stmts.c (vect_gen_while): Properly guard
6223 make_temp_ssa_name usage.
6225 2021-07-16 Cooper Qu <cooper.qu@linux.alibaba.com>
6227 * config.gcc: Don't use forked print-sysroot-suffix.sh and
6228 t-sysroot-suffix for C-SKY.
6229 * config/csky/print-sysroot-suffix.sh: Delete.
6230 * config/csky/t-csky-linux: Delete.
6231 * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
6232 instead of CSKY_MULTILIB_DIRNAMES.
6234 2021-07-16 Richard Biener <rguenther@suse.de>
6236 * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
6237 conversion issues with the partial reduction of the reused
6240 2021-07-16 Richard Biener <rguenther@suse.de>
6242 * config/i386/i386-options.c (ix86_option_override_internal): Set
6243 param_vect_partial_vector_usage to zero if not set.
6245 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
6248 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
6249 (VALID_INT_MODE_P): Add SDmode and DDmode.
6250 Add TDmode for TARGET_64BIT.
6251 (VALID_DFP_MODE_P): Remove.
6252 * config/i386/i386.c (ix86_hard_regno_mode_ok):
6253 Do not use VALID_DFP_MODE_P.
6255 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
6257 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
6259 (fold_using_range::fold_stmt): Ditto.
6260 (fold_using_range::range_of_range_op): Ditto.
6261 (fold_using_range::range_of_phi): Ditto.
6262 (fold_using_range::range_of_call): Ditto.
6263 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
6264 (fold_using_range::range_of_builtin_call): Ditto.
6265 (fold_using_range::range_of_cond_expr): Ditto.
6266 * gimple-range-fold.h (gimple_range_type): New.
6268 2021-07-15 Martin Sebor <msebor@redhat.com>
6271 * tree-ssa-strlen.c (handle_assign): New function.
6272 (maybe_warn_overflow): Add argument.
6273 (nonzero_bytes_for_type): New function.
6274 (count_nonzero_bytes): Handle more tree types. Call
6275 nonzero_bytes_for_tye.
6276 (count_nonzero_bytes): Handle types.
6277 (handle_store): Handle stores from function calls.
6278 (strlen_check_and_optimize_call): Move code to handle_assign. Call
6279 it for assignments from function calls.
6281 2021-07-15 David Malcolm <dmalcolm@redhat.com>
6286 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
6288 2021-07-15 David Malcolm <dmalcolm@redhat.com>
6290 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
6292 2021-07-15 Martin Sebor <msebor@redhat.com>
6296 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
6297 (operand_compare::verify_hash_value): Same.
6298 * tree-core.h (OEP_DECL_NAME): New.
6300 2021-07-15 Martin Jambor <mjambor@suse.cz>
6302 * profile-count.h (profile_count::value): Change the return type to
6304 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
6306 * tree-cfg.c (dump_function_to_file): Likewise.
6308 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
6311 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
6312 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
6315 2021-07-15 Richard Biener <rguenther@suse.de>
6317 * tree-vectorizer.h (vect_gen_while): Match up with
6319 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
6320 of vect_gen_while_not.
6321 (vect_gen_while_not): Adjust.
6322 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
6324 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
6326 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
6327 (ranger_cache::range_of_def): Call adjust_range.
6328 (ranger_cache::entry_range): Same.
6329 * gimple-range-cache.h (non_null_ref::adjust_range): New.
6330 * gimple-range.cc (gimple_ranger::range_of_expr): Call
6332 (gimple_ranger::range_on_entry): Same.
6334 2021-07-15 Tamar Christina <tamar.christina@arm.com>
6337 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6339 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
6341 2021-07-15 Tamar Christina <tamar.christina@arm.com>
6344 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6346 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
6347 (sdot_prod, udot_prod): ...These.
6348 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
6349 (aarch64_<sur>dot<vsi2qi>): Rename to...
6350 (<sur>dot_prod<vsi2qi>): ...This.
6351 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
6354 2021-07-15 Jakub Jelinek <jakub@redhat.com>
6356 PR middle-end/101437
6357 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
6358 types even if they have non-BLKmode TYPE_MODE.
6360 2021-07-15 Richard Biener <rguenther@suse.de>
6363 * gcc.c (process_command): Process -gtoggle like process_options
6364 would after parsing options.
6366 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
6368 * cfgexpand.c (expand_asm_loc): Adjust.
6369 (expand_asm_stmt): Likewise.
6370 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
6371 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
6372 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
6373 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
6374 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
6375 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
6376 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
6377 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
6378 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
6379 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
6380 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
6381 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
6382 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
6383 * doc/tm.texi: Regenerate.
6384 * target.def: Add location argument to md_asm_adjust.
6386 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
6388 * tree-diagnostic.c (diagnostic_report_current_function): Use the
6389 diagnostic's location, not input_location.
6391 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
6393 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
6395 (expand_asm_stmt): Likewise.
6397 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
6399 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
6400 addressed memory rtx, if any.
6401 (rs6000_split_multireg_move): Fix code formatting.
6402 Handle MMA build built-ins with operands in adjacent memory locations.
6404 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
6406 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
6409 2021-07-14 Jason Merrill <jason@redhat.com>
6411 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
6413 2021-07-14 Jason Merrill <jason@redhat.com>
6415 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
6418 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6420 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
6421 Remove erroneous line.
6423 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
6425 * params.opt (param_evrp_mode): Change default.
6427 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6429 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
6430 (sdot_prod, udot_prod): ...These.
6431 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
6432 (aarch64_<sur>dot<vsi2qi>): Rename to...
6433 (<sur>dot_prod<vsi2qi>): ...This.
6434 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
6437 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6439 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
6441 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6443 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
6445 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6447 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
6449 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6451 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
6452 (usdot_prod<vsi2qi>): ... This.
6453 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
6454 (usdot_prod): ...This.
6455 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
6456 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
6458 (@<sur>dot_prod<vsi2qi>): ...This.
6459 * config/aarch64/aarch64-sve-builtins-base.cc
6460 (svusdot_impl::expand): Use it.
6462 2021-07-14 Tamar Christina <tamar.christina@arm.com>
6464 * optabs.def (usdot_prod_optab): New.
6465 * doc/md.texi: Document it and clarify other dot prod optabs.
6466 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
6467 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
6468 * optabs.c (expand_widen_pattern_expr): Likewise.
6469 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
6470 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
6471 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
6473 (vect_widened_op_tree): Optionally ignore
6475 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
6477 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
6480 * config/i386/driver-i386.c (host_detect_local_cpu): Check
6481 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
6482 Enable UINTR only for 64-bit codegen.
6483 * config/i386/i386-options.c
6484 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
6486 * config/i386/i386.h (ARCH_ARG): New.
6487 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
6488 "[arch|tune] 64" for 64-bit codegen.
6490 2021-07-14 Richard Biener <rguenther@suse.de>
6492 PR tree-optimization/101445
6493 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
6494 of the IV in the correct direction for negative stride
6497 2021-07-14 Jakub Jelinek <jakub@redhat.com>
6500 * godump.c (godump_str_hash): New type.
6501 (godump_container::pot_dummy_types): Use string_hash instead of
6502 ptr_hash in the hash_set.
6504 2021-07-14 Richard Biener <rguenther@suse.de>
6506 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
6507 vector types where the old vector type has a multiple of
6508 the new vector type elements.
6509 (vect_create_partial_epilog): New function, split out from...
6510 (vect_create_epilog_for_reduction): ... here.
6511 (vect_transform_cycle_phi): Reduce the re-used accumulator
6512 to the new vector type.
6514 2021-07-14 Alexandre Oliva <oliva@adacore.com>
6516 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
6517 non-'t'-sized arg check.
6519 2021-07-14 Alexandre Oliva <oliva@adacore.com>
6521 * tree-cfg.c (cleanup_dead_labels_eh): Update
6522 post_landing_pad label upon change of landing pad block's
6524 (cleanup_dead_labels): Check that a removed label is not that
6527 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
6529 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
6531 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
6532 Add Neon to general purpose register case for zero-extend
6534 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
6535 case to prevent some cases opting to go through memory.
6536 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
6537 * rtl.c (rtvec_series_p): Define predicate to determine
6538 whether a vector contains a linear series of integers.
6539 * rtl.h (rtvec_series_p): Define.
6540 * rtlanal.c (vec_series_lowpart_p): Define predicate to
6541 determine if a vector selection is equivalent to the low part
6543 * rtlanal.h (vec_series_lowpart_p): Define.
6544 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
6545 Add vec_select -> subreg simplification.
6547 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
6549 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
6550 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
6551 _mm_test_mix_ones_zeros): New.
6553 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
6554 Richard Biener <rguenther@suse.de>
6556 * gimple.c (gimple_could_trap_p_1): Make S argument a
6557 "const gimple*". Preserve constness in call to
6558 gimple_asm_volatile_p.
6559 (gimple_could_trap_p): Make S argument a "const gimple*".
6560 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
6561 Update function prototypes.
6563 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6565 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
6566 (_loop_vec_info::main_loop_edge): New field.
6567 (_loop_vec_info::skip_main_loop_edge): Likewise.
6568 (_loop_vec_info::skip_this_loop_edge): Likewise.
6569 (_loop_vec_info::reusable_accumulators): Likewise.
6570 (_stmt_vec_info::reduc_scalar_results): Likewise.
6571 (_stmt_vec_info::reused_accumulator): Likewise.
6572 (vect_get_main_loop_result): Declare.
6573 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
6574 reduc_scalar_inputs.
6575 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
6576 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
6577 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
6578 skip_main_loop_edge and skip_this_loop_edge fields.
6579 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
6580 (vect_emit_reduction_init_stmts): New function.
6581 (get_initial_def_for_reduction): Use it.
6582 (get_initial_defs_for_reduction): Likewise. Change the vinfo
6583 parameter to a loop_vec_info.
6584 (vect_create_epilog_for_reduction): Store the scalar results
6585 in the reduc_info. If an epilogue loop is reusing an accumulator
6586 from the main loop, and if the epilogue loop can also be skipped,
6587 try to place the reduction code in the join block. Record
6588 accumulators that could potentially be reused by epilogue loops.
6589 (vect_transform_cycle_phi): When vectorizing epilogue loops,
6590 try to reuse accumulators from the main loop. Record the initial
6591 value in reduc_info for non-SLP reductions too.
6593 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6595 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
6596 adjustment handling. Take the neutral value as an argument,
6597 in place of the code argument.
6598 (vect_transform_cycle_phi): Update accordingly. Handle the
6599 initial values of cond reductions separately from code reductions.
6600 Choose the adjustment here rather than in
6601 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
6603 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6605 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
6606 (neutral_op_for_reduction): ...this, providing a more general
6608 (vect_create_epilog_for_reduction): Update accordingly.
6609 (vectorizable_reduction): Likewise.
6610 (vect_transform_cycle_phi): Likewise.
6612 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6614 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
6615 reduc_info instead of the original stmt_vec_info.
6616 (vect_transform_cycle_phi): Update accordingly.
6618 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6620 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
6621 reduc_info as an additional parameter.
6622 (vect_transform_cycle_phi): Update accordingly.
6624 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6626 * tree-vectorizer.h: Include tree-ssa-operands.h.
6627 (vect_phi_initial_value): New function.
6628 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
6629 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
6630 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
6631 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
6633 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6635 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
6636 the phi results to vectype after creating them. Remove later
6637 conversion code that thus becomes redundant.
6639 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6641 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
6642 the new_phis vector with a reduc_inputs vector. Combine handling
6643 of reduction chains and ncopies > 1.
6645 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6647 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
6648 scalar_results to group_size elements after reducing down from
6649 N*group_size elements. Construct an array_slice of the live-out
6650 stmts and assert that there is one stmt per scalar result.
6652 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6654 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6655 nested_in_vect_loop and use double_reduc everywhere. Remove dead
6656 assignment to "loop".
6658 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
6660 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
6661 vector types first. For scalar types, consider both the preferred
6662 vector mode and the alternative vector modes.
6663 * optabs-query.c (can_vec_mask_load_store_p): Use the same
6664 structure as above, in particular using related_vector_mode
6665 for modes provided by autovectorize_vector_modes.
6667 2021-07-13 Jakub Jelinek <jakub@redhat.com>
6668 Richard Biener <rguenther@suse.de>
6670 PR tree-optimization/101419
6671 * tree-pass.h (PROP_objsz): Define.
6672 (make_pass_early_object_sizes): Declare.
6673 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
6674 there to pass_early_object_sizes, drop parameter.
6675 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
6676 drop parameter, move pass_post_ipa_warn right after that.
6677 * tree-object-size.c (pass_object_sizes::execute): Rename to...
6678 (object_sizes_execute): ... this. Add insert_min_max_p argument.
6679 (pass_data_object_sizes): Move after object_sizes_execute.
6680 (pass_object_sizes): Likewise. In execute method call
6681 object_sizes_execute, drop set_pass_param method and insert_min_max_p
6682 non-static data member and its initializer in the ctor.
6683 (pass_data_early_object_sizes, pass_early_object_sizes,
6684 make_pass_early_object_sizes): New.
6685 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
6686 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
6688 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
6691 * config/riscv/constraints.md ("S"): Update description and remove
6693 * doc/md.texi (Machine Constraints): Document the 'S' constraints
6696 2021-07-13 Richard Biener <rguenther@suse.de>
6699 2021-07-12 Richard Biener <rguenther@suse.de>
6701 * tree-vect-slp.c (vect_slp_region): Show the number of
6702 SLP graph entries in the optimization message.
6704 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
6706 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
6708 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
6709 return type to long.
6710 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
6713 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
6715 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
6716 Query relation between the 2 operands and use it.
6718 2021-07-12 Sergei Trofimovich <siarheit@google.com>
6720 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
6722 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
6725 * config/i386/predicates.md (vec_setm_sse41_operand):
6726 Rename from vec_setm_operand.
6727 (vec_setm_avx2_operand): New predicate.
6728 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
6729 Use vec_setm_sse41_operand as operand 2 predicate.
6730 (vec_set<V_256_512:mode): New expander.
6731 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
6732 as operand 2 predicate.
6734 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
6736 PR tree-optimization/101335
6737 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
6739 2021-07-12 Andrew Pinski <apinski@marvell.com>
6741 * tree-ssa-phiopt.c (match_simplify_replacement): Move
6742 insert of the sequence before the movement of the
6743 statement. Check if to see if the statement is used
6744 outside of the original phi to see if we should move it.
6746 2021-07-12 Richard Biener <rguenther@suse.de>
6748 * dump-context.h (debug_dump_context::debug_dump_context):
6749 Add FILE * parameter defaulted to stderr.
6750 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
6751 * tree-vect-slp.c (dot_slp_tree): New functions.
6753 2021-07-12 Richard Biener <rguenther@suse.de>
6755 PR tree-optimization/101373
6756 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
6757 references when the BB may not return.
6758 (compute_avail): Pass in the function we're working on and
6759 replace cfun references with it. Externally throwing
6760 const calls also possibly terminate the function.
6761 (pass_pre::execute): Pass down the function we're working on.
6762 * gcse.c (compute_hash_table_work): Externally throwing
6763 const/pure calls also need record_last_mem_set_info.
6764 * postreload-gcse.c (record_opr_changes): Looping or externally
6765 throwing const/pure calls also need record_last_mem_set_info.
6767 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
6769 * recog.c (memory_address_addr_space_p): Change the type to bool.
6770 Return true/false instead of 1/0.
6771 (offsettable_memref_p): Ditto.
6772 (offsettable_nonstrict_memref_p): Ditto.
6773 (offsettable_address_addr_space_p): Ditto.
6774 Change the type of addressp indirect function to bool.
6775 * recog.h (memory_address_addr_space_p): Change the type to bool.
6776 (strict_memory_address_addr_space_p): Ditto.
6777 (offsettable_memref_p): Ditto.
6778 (offsettable_nonstrict_memref_p): Ditto.
6779 (offsettable_address_addr_space_p): Ditto.
6780 * reload.c (maybe_memory_address_addr_space_p): Ditto.
6781 (strict_memory_address_addr_space_p): Change the type to bool.
6782 Return true/false instead of 1/0.
6783 (maybe_memory_address_addr_space_p): Change the type to bool.
6785 2021-07-12 Richard Biener <rguenther@suse.de>
6787 * tree-vect-slp.c (vect_slp_region): Show the number of
6788 SLP graph entries in the optimization message.
6790 2021-07-12 Richard Biener <rguenther@suse.de>
6792 PR tree-optimization/101394
6793 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
6794 copies from abnormals for a full redundancy.
6796 2021-07-12 Richard Biener <rguenther@suse.de>
6798 PR middle-end/101423
6799 * gimple.c (gimple_could_trap_p_1): Internal function calls
6801 * tree-eh.c (tree_could_trap_p): Likewise.
6803 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
6806 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
6808 (vmulq_n_u32): Likewise.
6809 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
6810 (vmulq_n_f32): Likewise.
6811 (vmul_n_f16): Likewise.
6812 (vmulq_n_f16): Likewise.
6814 2021-07-12 Martin Liska <mliska@suse.cz>
6817 * gcc.c (check_offload_target_name): Call
6818 candidates_list_and_hint only if we have a candidate.
6820 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
6823 * config/arm/neon.md (vec_init): Move to ...
6824 * config/arm/vec-common.md (vec_init): ... here.
6825 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
6827 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
6829 PR tree-optimization/101403
6830 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
6831 signedness of the shift is not the same as the signedness of
6834 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
6835 Uroš Bizjak <ubizjak@gmail.com>
6837 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
6838 divmod of a constant numerator with new define_insn_and_split.
6840 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
6843 * config/i386/i386-expand.c (ix86_expand_call): If a call is
6844 to a non-local-binding, or local but to a public symbol, then
6845 assume that it might be indirected via the lazy symbol binder.
6846 Mark R10 and R10 as clobbered in that case.
6848 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
6851 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
6852 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
6853 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
6855 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
6857 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
6858 log2 range of operands[3] to [1,31].
6859 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
6861 2021-07-09 Sergei Trofimovich <siarheit@google.com>
6863 * doc/md.texi: Don't split @smallexample in multiple @groups.
6865 2021-07-09 Sergei Trofimovich <siarheit@google.com>
6867 * doc/md.texi: Add missing 'see' word.
6869 2021-07-09 Andrew Pinski <apinski@marvell.com>
6871 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
6872 to take sequence and gimple_match_op. Accept the case where
6873 op is a SSA_NAME and one statement in the sequence.
6874 Also allow constants.
6875 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
6876 Update call to phiopt_early_allow. Discard the sequence if not
6879 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
6884 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
6885 instead of ISA_HAS_MSA.
6886 (mips_expand_vec_unpack): Likewise.
6887 (mips_expand_vector_init): Likewise.
6889 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
6891 * config/rs6000/vsx.md (mods_<mode>): Rename to...
6892 (mod<mode>3): ... this.
6893 (modu_<mode>): Rename to...
6894 (umod<mode>3): ... this.
6895 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
6898 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
6900 * config/h8300/shiftrotate.md (variable shifts): Expose condition
6901 code handling for the test before the loop.
6903 2021-07-08 Martin Jambor <mjambor@suse.cz>
6906 * ipa-sra.c (class isra_call_summary): New member
6907 m_before_any_store, initialize it in the constructor.
6908 (isra_call_summary::dump): Dump the new field.
6909 (ipa_sra_call_summaries::duplicate): Copy it.
6910 (process_scan_results): Set it.
6911 (isra_write_edge_summary): Stream it.
6912 (isra_read_edge_summary): Likewise.
6913 (param_splitting_across_edge): Only override
6914 safe_to_import_accesses if m_before_any_store is set.
6916 2021-07-08 Martin Sebor <msebor@redhat.com>
6919 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
6920 Use Object Size Type 0 instead of 1.
6922 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
6924 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
6927 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
6929 * match.pd: Simplify an extend-operate-truncate sequence involving
6932 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
6933 Richard Biener <rguenther@suse.de>
6935 PR tree-optimization/40210
6936 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
6937 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
6938 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
6940 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
6943 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
6945 * config/i386/mmx.md (V_32): New mode iterator.
6946 (mov<V_32:mode>): Use V_32 mode iterator.
6947 (*mov<V_32:mode>_internal): Ditto.
6948 (*push<V_32:mode>2_rex64): Ditto.
6949 (*push<V_32:mode>2): Ditto.
6950 (movmisalign<V_32:mode>): Ditto.
6951 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
6952 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
6953 (vec_unpacks_lo_v4qi): New expander.
6954 (vec_unpacks_hi_v4qi): Ditto.
6955 (vec_unpacku_lo_v4qi): Ditto.
6956 (vec_unpacku_hi_v4qi): Ditto.
6957 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
6958 (VALID_INT_MODE_P): Ditto.
6960 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
6963 * config/rs6000/rs6000.md (udivti3): New insn.
6965 (umodti3): New insn.
6968 2021-07-07 Martin Sebor <msebor@redhat.com>
6970 PR tree-optimization/100137
6971 PR tree-optimization/99121
6972 PR tree-optimization/97027
6973 * builtins.c (access_ref::access_ref): Also set offmax.
6974 (access_ref::offset_in_range): Define new function.
6975 (access_ref::add_offset): Set offmax.
6976 (access_ref::inform_access): Handle access_none.
6977 (handle_mem_ref): Clear ostype.
6978 (compute_objsize_r): Handle ASSERT_EXPR.
6979 * builtins.h (struct access_ref): Add offmax member.
6980 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
6981 compute_objsize() and simplify.
6983 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
6985 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
6986 and VSX_BUILTIN_STXVP.
6988 2021-07-07 Martin Sebor <msebor@redhat.com>
6991 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
6992 a stray %K from error_at() missed in r12-2088.
6994 2021-07-07 Richard Biener <rguenther@suse.de>
6996 PR tree-optimization/99728
6997 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
6999 (mem_refs_may_alias_p): Add assert we handled aggregate
7001 (sm_seq_valid_bb): Give up when running into aggregate copies.
7002 (ref_indep_loop_p): Handle aggregate copies as never
7003 being invariant themselves but allow other refs to be
7004 disambiguated against them.
7005 (can_sm_ref_p): Do not try to apply store-motion to aggregate
7008 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
7011 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
7014 2021-07-06 Martin Sebor <msebor@redhat.com>
7016 * gimple-pretty-print.c (percent_G_format): Remove.
7017 * tree-diagnostic.c (default_tree_printer): Remove calls.
7018 * tree-pretty-print.c (percent_K_format): Remove.
7019 * tree-pretty-print.h (percent_K_format): Remove.
7021 2021-07-06 Martin Sebor <msebor@redhat.com>
7023 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
7024 Remove %K and use error_at.
7025 (aarch64_expand_fcmla_builtin): Same.
7026 (aarch64_expand_builtin_tme): Same.
7027 (aarch64_expand_builtin_memtag): Same.
7028 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
7029 (arm_expand_builtin): Same.
7030 * config/arm/arm.c (bounds_check): Same.
7032 2021-07-06 Martin Sebor <msebor@redhat.com>
7034 * builtins.c (warn_string_no_nul): Remove %G.
7035 (maybe_warn_for_bound): Same.
7036 (warn_for_access): Same.
7037 (check_access): Same.
7038 (check_strncat_sizes): Same.
7039 (expand_builtin_strncat): Same.
7040 (expand_builtin_strncmp): Same.
7041 (expand_builtin): Same.
7042 (expand_builtin_object_size): Same.
7043 (warn_dealloc_offset): Same.
7044 (maybe_emit_free_warning): Same.
7045 * calls.c (maybe_warn_alloc_args_overflow): Same.
7046 (maybe_warn_nonstring_arg): Same.
7047 (maybe_warn_rdwr_sizes): Same.
7048 * expr.c (expand_expr_real_1): Remove %K.
7049 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
7050 (gimple_fold_builtin_strncat): Same.
7051 * gimple-ssa-sprintf.c (format_directive): Same.
7052 (handle_printf_call): Same.
7053 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
7054 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
7055 (maybe_diag_access_bounds): Same. Call gimple_location.
7056 (check_bounds_or_overlap): Same.
7057 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
7058 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
7059 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
7060 (maybe_diag_stxncpy_trunc): Same.
7061 (handle_builtin_stxncpy_strncat): Same.
7062 (maybe_warn_pointless_strcmp): Same.
7063 * tree-ssa-uninit.c (maybe_warn_operand): Same.
7065 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
7068 * config/i386/predicates.md (vec_setm_operand): Enable
7069 register_operand for TARGET_SSE4_1.
7070 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
7071 as operand 2 predicate. Call ix86_expand_vector_set_var
7072 for non-constant index operand.
7073 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
7074 Call ix86_expand_vector_set_var for non-constant index operand.
7076 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
7078 * config/h8300/jumpcall.md (*branch): When possible, generate
7079 the comparison in CCZN mode.
7080 * config/h8300/predicates.md (simple_memory_operand): Reject all
7081 auto-increment addressing modes.
7083 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
7086 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
7089 2021-07-06 Richard Biener <rguenther@suse.de>
7091 * doc/md.texi (vec_fmaddsub<mode>4): Document.
7092 (vec_fmsubadd<mode>4): Likewise.
7093 * optabs.def (vec_fmaddsub$a4): Add.
7094 (vec_fmsubadd$a4): Likewise.
7095 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
7096 (IFN_VEC_FMSUBADD): Likewise.
7097 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
7098 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
7099 (addsub_pattern::build): Likewise.
7100 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
7101 and CFN_VEC_FMSUBADD are not transparent for permutes.
7102 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
7103 (vec_fmsubadd<mode>4): Likewise.
7105 2021-07-06 Richard Biener <rguenther@suse.de>
7107 * doc/invoke.texi (fmove-loop-stores): Document.
7108 * common.opt (fmove-loop-stores): New option.
7109 * opts.c (default_options_table): Enable -fmove-loop-stores
7111 * tree-ssa-loop-im.c (pass_lim::execute): Pass
7112 flag_move_loop_stores instead of true to
7113 loop_invariant_motion_in_fun.
7115 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
7117 * doc/install.texi: Document --with-dsymutil.
7119 2021-07-06 Andrew Pinski <apinski@marvell.com>
7121 PR tree-optimization/101256
7122 * dbgcnt.def (phiopt_edge_range): New counter.
7123 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
7124 Check to make sure the new name is defined in the same
7125 bb as the conditional before duplicating range info.
7126 Also add debug counter.
7128 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
7130 PR rtl-optimization/100328
7131 * config/i386/i386-options.c (ix86_option_override_internal):
7132 Set param_ira_consider_dup_in_all_alts to 0.
7134 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
7136 PR rtl-optimization/100328
7137 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
7139 * ira.c (ira_get_dup_out_num): Adjust as parameter
7140 param_ira_consider_dup_in_all_alts.
7141 * params.opt (ira-consider-dup-in-all-alts): New.
7142 * ira-conflicts.c (process_regs_for_copy): Add one parameter
7143 single_input_op_has_cstr_p.
7144 (get_freq_for_shuffle_copy): New function.
7145 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
7146 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
7148 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
7150 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
7151 generate condition code aware RTL directly.
7153 2021-07-05 Andrew Pinski <apinski@marvell.com>
7155 PR tree-optimization/101039
7156 * match.pd (A CMP 0 ? A : -A): New patterns.
7157 * tree-ssa-phiopt.c (abs_replacement): Delete function.
7158 (tree_ssa_phiopt_worker): Don't call abs_replacement.
7159 Update comment about abs_replacement.
7161 2021-07-05 Andrew Pinski <apinski@marvell.com>
7163 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
7164 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
7166 2021-07-05 Andrew Pinski <apinski@marvell.com>
7168 * tree-ssa-phiopt.c (match_simplify_replacement):
7169 Add early_p argument. Call gimple_simplify_phiopt
7170 instead of gimple_simplify.
7171 (tree_ssa_phiopt_worker): Update call to
7172 match_simplify_replacement and allow unconditionally.
7173 (phiopt_early_allow): New function.
7174 (gimple_simplify_phiopt): New function.
7176 2021-07-05 Andrew Pinski <apinski@marvell.com>
7178 PR middle-end/101237
7179 * fold-const.c (negate_expr_p): Remove call to element_mode
7180 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
7181 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
7182 (fold_negate_expr_1): Likewise.
7183 (const_unop): Likewise.
7184 (fold_cond_expr_with_comparison): Likewise.
7185 (fold_binary_loc): Likewise.
7186 (fold_ternary_loc): Likewise.
7187 (tree_call_nonnegative_warnv_p): Likewise.
7188 * match.pd (-(A + B) -> (-B) - A): Likewise.
7190 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
7192 * configure.ac: Handle --with-dsymutil in the same way as we
7193 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
7194 Extract the type and version for the dsymutil configured or
7195 found by the default searches.
7196 * config.in: Regenerated.
7197 * configure: Regenerated.
7198 * collect2.c (do_dsymutil): Handle locating dsymutil in the
7199 same way as for the assembler and linker.
7200 * config/darwin.h (DSYMUTIL): Delete.
7201 * gcc.c: Report a configured dsymutil correctly.
7202 * exec-tool.in: Allow for dsymutil.
7204 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
7206 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
7207 Handle V4QI and V2HI modes.
7208 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
7209 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
7210 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
7211 Handle 4-byte dual operands with TARGET_XOP and single operands
7212 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
7213 mmx_pshufbv4qi3 for TARGET_SSSE3.
7214 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
7215 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
7216 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
7217 (expand_vec_perm_even_odd_1): Handle V4QI mode.
7218 (expand_vec_perm_broadcast_1): Handle V4QI mode.
7219 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
7220 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
7221 (mmx_pshufbv4qi3): Ditto.
7222 (*mmx_pblendw32): Ditto.
7223 (*mmx_pblendw64): Rename from *mmx_pblendw.
7224 (mmx_punpckhbw_low): New insn_and_split pattern.
7225 (mmx_punpcklbw_low): Ditto.
7227 2021-07-05 Richard Biener <rguenther@suse.de>
7229 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
7230 set LOOP_C_INFINITE on the vectorized loop.
7232 2021-07-05 Richard Biener <rguenther@suse.de>
7234 PR middle-end/101291
7235 * cfgloopmanip.c (loop_version): Set the loop copy of the
7236 versioned loop to the new loop.
7238 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
7241 * config.gcc: Ensure that Darwin biarch definitions are
7242 added before i386.h.
7243 * config/i386/darwin.h (TARGET_64BIT): Remove.
7244 (PR80556_WORKAROUND): New.
7245 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
7246 (DARWIN_SUBARCH_SPEC): New.
7247 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
7248 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
7249 (REAL_LIBGCC_SPEC): Remove.
7250 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
7251 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
7252 (REAL_LIBGCC_SPEC): Remove.
7254 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
7256 PR middle-end/101294
7257 * expr.c (store_constructor): Don't use vec_duplicate on vector.
7259 2021-07-02 Martin Sebor <msebor@redhat.com>
7263 * diagnostic.c (get_any_inlining_info): New.
7264 (update_effective_level_from_pragmas): Handle inlining context.
7265 (diagnostic_enabled): Same.
7266 (diagnostic_report_diagnostic): Same.
7267 * diagnostic.h (struct diagnostic_info): Add ctor.
7268 (struct diagnostic_context): Add new member.
7269 * tree-diagnostic.c (set_inlining_locations): New.
7270 (tree_diagnostics_defaults): Set new callback pointer.
7272 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
7274 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
7276 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
7277 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
7278 lxvp and stxvp built-ins.
7279 (mma_init_builtins): Handle lxvp and stxvp built-ins.
7280 (builtin_function_type): Likewise.
7281 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
7283 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
7285 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
7286 additional argument for the code.
7287 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
7288 argument for the code. Just return if the ZN bits are useful or
7289 not rather than the old style CC_* enums.
7290 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
7291 more generic shiftqi patterns.
7292 (shifthi_noscratch, shiftsi_noscratch): Similarly.
7293 (shiftqi_noscratch_set_flags): New pattern.
7294 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
7296 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
7298 PR tree-optimization/101223
7299 * range-op.cc (build_lt): Add -1 for signed values.
7300 (built_gt): Subtract -1 for signed values.
7302 2021-07-02 David Faust <david.faust@oracle.com>
7304 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
7305 (btf_asm_type): Likewise.
7307 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
7309 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
7310 an array of rtx rather than a pointer to rtx. Add code argument.
7311 (compute_a_shift_length): Similarly.
7312 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
7313 shift itself isn't an operand. Create dummy operand[0] to carry
7314 a mode and pass a suitable rtx code to compute_a_shift_length.
7315 (get_shift_alg): Adjust operand number of clobber in output templates.
7316 (output_a_shift): Make first argument an array of rtx rather than
7317 a pointer to rtx. Add code argument for the type of shift.
7318 Adjust now that the shift itself is no longer an operand.
7319 (compute_a_shift_length): Similarly.
7320 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
7321 iterator rather than nshift_operator.
7322 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
7323 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
7324 and compute_a_shift_length.
7325 (shiftqi_noscratch_clobber_flags): Likewise.
7326 (shifthi_noscratch_clobber_flags): Likewise.
7327 (shiftsi_noscratch_clobber_flags): Likewise.
7329 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
7332 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
7333 dsymutil for BTF/CTF.
7335 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
7338 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
7339 segment to include BTF.
7340 (BTF_INFO_SECTION_NAME): New.
7342 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
7344 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
7345 (small_data_operand, memreg_operand, small_insn_p): Likewise.
7346 * config/m32r/m32r.c (call_operand): Adjust return type.
7347 (small_data_operand, memreg_operand): Likewise.
7349 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
7351 * config/frv/frv-protos.h (integer_register_operand): Adjust return
7353 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
7354 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
7355 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
7356 (move_source_operand, move_destination_operand): Likewise.
7357 (condexec_source_operand, condexec_dest_operand): Likewise.
7358 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
7359 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
7360 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
7361 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
7362 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
7363 (even_fpr_operand, odd_fpr_operand): Likewise.
7364 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
7365 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
7366 (uint4_operand, uint1_operand, int_2word_operand): Likewise
7367 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
7368 (relational_operator, float_relational_operator): Likewise.
7369 (ccr_eqne_operator, minmax_operator): Likewise.
7370 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
7371 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
7372 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
7373 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
7374 (quad_acc_operand, accg_operand): Likewise.
7376 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
7378 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
7379 return type to a bool.
7380 (nonimmediate_nonstack_operand): Likewise.
7381 (xstormy16_splittable_below100_operand): Likewise.
7382 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
7384 (xstormy16_splittable_below100_operand): Likewise.
7386 2021-07-02 Richard Biener <rguenther@suse.de>
7388 PR tree-optimization/101293
7389 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
7390 with combined offsets.
7391 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
7392 combined with the rest of the offset.
7394 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
7396 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
7397 PIC encodings for PE-COFF targets.
7399 2021-07-02 Jakub Jelinek <jakub@redhat.com>
7402 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
7403 Return nullptr for TImode inner mode.
7405 2021-07-02 Richard Biener <rguenther@suse.de>
7407 PR tree-optimization/101280
7408 PR tree-optimization/101173
7409 * gimple-loop-interchange.cc
7410 (tree_loop_interchange::valid_data_dependences): Properly
7411 guard all dependence checks with DDR_REVERSED_P or its
7414 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
7416 * config/i386/i386-expand.c (ix86_expand_builtin):
7417 Add branch to clear odata when ZF is set for asedecenc_expand
7418 and wideaesdecenc_expand.
7420 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
7422 * config/i386/gcc-auto-profile: regenerate
7424 2021-07-02 liuhongt <hongtao.liu@intel.com>
7426 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
7427 (trunc<mode><pmov_dst_4_lower>2): this.
7429 2021-07-01 David Malcolm <dmalcolm@redhat.com>
7431 * diagnostic.h (diagnostic_context::m_file_cache): New field.
7432 * input.c (class fcache): Rename to...
7433 (class file_cache_slot): ...this, making most members private and
7434 prefixing fields with "m_".
7435 (file_cache_slot::get_file_path): New accessor.
7436 (file_cache_slot::get_use_count): New accessor.
7437 (file_cache_slot::missing_trailing_newline_p): New accessor.
7438 (file_cache_slot::inc_use_count): New.
7439 (fcache_buffer_size): Move to...
7440 (file_cache_slot::buffer_size): ...here.
7441 (fcache_line_record_size): Move to...
7442 (file_cache_slot::line_record_size): ...here.
7443 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
7444 (fcache_tab_size): Move to file_cache::num_file_slots.
7445 (diagnostic_file_cache_init): Update for move of fcache_tab
7446 to global_dc->m_file_cache.
7447 (diagnostic_file_cache_fini): Likewise.
7448 (lookup_file_in_cache_tab): Convert to...
7449 (file_cache::lookup_file): ...this.
7450 (diagnostics_file_cache_forcibly_evict_file): Update for move of
7451 fcache_tab to global_dc->m_file_cache, moving most of
7452 implementation to...
7453 (file_cache::forcibly_evict_file): ...this new function and...
7454 (file_cache_slot::evict): ...this new function.
7455 (evicted_cache_tab_entry): Convert to...
7456 (file_cache::evicted_cache_tab_entry): ...this.
7457 (add_file_to_cache_tab): Convert to...
7458 (file_cache::add_file): ...this, moving bulk of implementation
7460 (file_cache_slot::create): ..this new function.
7461 (file_cache::file_cache): New.
7462 (file_cache::~file_cache): New.
7463 (lookup_or_add_file_to_cache_tab): Convert to...
7464 (file_cache::lookup_or_add_file): ..this new function.
7465 (fcache::fcache): Rename to...
7466 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
7468 (fcache::~fcache): Rename to...
7469 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
7471 (needs_read): Convert to...
7472 (file_cache_slot::needs_read_p): ...this.
7473 (needs_grow): Convert to...
7474 (file_cache_slot::needs_grow_p): ...this.
7475 (maybe_grow): Convert to...
7476 (file_cache_slot::maybe_grow): ...this.
7477 (read_data): Convert to...
7478 (file_cache_slot::read_data): ...this.
7479 (maybe_read_data): Convert to...
7480 (file_cache_slot::maybe_read_data): ...this.
7481 (get_next_line): Convert to...
7482 (file_cache_slot::get_next_line): ...this.
7483 (goto_next_line): Convert to...
7484 (file_cache_slot::goto_next_line): ...this.
7485 (read_line_num): Convert to...
7486 (file_cache_slot::read_line_num): ...this.
7487 (location_get_source_line): Update for moving of globals to
7488 global_dc->m_file_cache.
7489 (location_missing_trailing_newline): Likewise.
7490 * input.h (class file_cache_slot): New forward decl.
7491 (class file_cache): New.
7493 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
7495 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
7496 128-bit floating point conditional move support.
7497 (have_compare_and_set_mask): Add IEEE 128-bit floating point
7499 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
7500 (mov<mode>cc_p10, IEEE128 iterator): New insn.
7501 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
7502 (fpmask<mode>, IEEE128 iterator): New insn.
7503 (xxsel<mode>, IEEE128 iterator): New insn.
7505 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
7508 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
7510 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
7512 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
7514 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
7516 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
7517 (vec_duplicate<mode>): New expander.
7519 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
7522 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
7524 (ix86_byte_broadcast): New function.
7525 (ix86_convert_const_wide_int_to_broadcast): Likewise.
7526 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
7527 size is 16 bytes or bigger.
7528 (ix86_broadcast_from_integer_constant): New function.
7529 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
7530 to broadcast if mode size is 16 bytes or bigger.
7531 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
7533 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
7535 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
7537 * config/i386/predicates.md (ix86_endbr_immediate_operand):
7538 Return true/false instead of 1/0.
7539 (movq_parallel): Ditto.
7541 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
7543 * recog.c (general_operand): Return true/false instead of 1/0.
7544 (register_operand): Ditto.
7545 (immediate_operand): Ditto.
7546 (const_int_operand): Ditto.
7547 (const_scalar_int_operand): Ditto.
7548 (const_double_operand): Ditto.
7549 (push_operand): Ditto.
7550 (pop_operand): Ditto.
7551 (memory_operand): Ditto.
7552 (indirect_operand): Ditto.
7554 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
7556 * genpreds.c (write_predicate_subfunction):
7557 Change the type of written subfunction to bool.
7558 (write_one_predicate_function):
7559 Change the type of written function to bool.
7560 (write_tm_preds_h): Ditto.
7561 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
7562 * recog.c (general_operand): Change the type to bool.
7563 (address_operand): Ditto.
7564 (register_operand): Ditto.
7565 (pmode_register_operand): Ditto.
7566 (scratch_operand): Ditto.
7567 (immediate_operand): Ditto.
7568 (const_int_operand): Ditto.
7569 (const_scalar_int_operand): Ditto.
7570 (const_double_operand): Ditto.
7571 (nonimmediate_operand): Ditto.
7572 (nonmemory_operand): Ditto.
7573 (push_operand): Ditto.
7574 (pop_operand): Ditto.
7575 (memory_operand): Ditto.
7576 (indirect_operand): Ditto.
7577 (ordered_comparison_operator): Ditto.
7578 (comparison_operator): Ditto.
7579 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
7580 Change the type of indirect predicate function to bool.
7581 * config/rs6000/rs6000.c (easy_vector_constant):
7582 Change the type to bool.
7583 * config/mips/mips-protos.h (m16_based_address_p):
7584 Change the type of operand 3 to bool.
7586 2021-07-01 Richard Biener <rguenther@suse.de>
7588 PR tree-optimization/101280
7589 PR tree-optimization/101173
7590 * gimple-loop-interchange.cc
7591 (tree_loop_interchange::valid_data_dependences): Revert
7592 previous change and instead correctly handle DDR_REVERSED_P
7595 2021-07-01 Richard Biener <rguenther@suse.de>
7597 PR tree-optimization/101278
7598 * tree-ssa-dse.c (dse_classify_store): First check for
7599 uses, then ignore stmt for chaining purposes.
7601 2021-07-01 Richard Biener <rguenther@suse.de>
7603 PR tree-optimization/100778
7604 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
7605 vectorized ops ahead of their scalar BB.
7607 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
7610 * config/i386/i386.md (*nabs<dwi>2_doubleword):
7611 New insn_and_split pattern.
7612 (*nabs<dwi>2_1): Ditto.
7613 * config/i386/i386-features.c
7614 (general_scalar_chain::compute_convert_gain):
7615 Handle (NEG (ABS (...))) RTX. Rewrite src code
7616 scanner as switch statement.
7617 (general_scalar_chain::convert_insn):
7618 Handle (NEG (ABS (...))) RTX.
7619 (general_scalar_to_vector_candidate_p):
7620 Detect (NEG (ABS (...))) RTX. Reorder case statements
7621 for (AND (NOT (...) ...)) fallthrough.
7623 2021-07-01 Richard Biener <rguenther@suse.de>
7625 PR tree-optimization/101178
7626 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
7627 (slpg::perm_in): Add.
7628 (slpg::get_perm_in): Remove.
7629 (slpg::get_perm_materialized): Add.
7630 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
7631 during permute propagation and materialization.
7633 2021-07-01 Jakub Jelinek <jakub@redhat.com>
7636 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
7638 2021-07-01 Jakub Jelinek <jakub@redhat.com>
7641 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
7642 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
7643 use boolean_type_node instead of integer_type_node as NE_EXPR type.
7644 (lower_reduction_clauses): Likewise.
7646 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
7648 * config/gcn/gcn.c: Include dwarf2.h.
7649 (gcn_addr_space_debug): New function.
7650 (TARGET_ADDR_SPACE_DEBUG): New hook.
7652 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
7654 * common/config/gcn/gcn-common.c
7655 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
7656 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
7658 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
7659 (gcn_frame_pointer_rqd): New function.
7660 (TARGET_FRAME_POINTER_REQUIRED): New hook.
7662 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
7664 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
7665 prologue register saves.
7666 (gcn_debug_unwind_info): Use UI_DWARF2.
7667 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
7668 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
7669 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
7670 (DWARF_LINK_REGISTER): New define.
7671 (FIRST_PSEUDO_REGISTER): Increment.
7672 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
7673 (CALL_USED_REGISTERS): Likewise.
7674 (REGISTER_NAMES): Likewise.
7676 2021-06-30 Richard Biener <rguenther@suse.de>
7678 PR tree-optimization/101267
7679 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
7680 API and use SLP compatible interface of vect_is_simple_use.
7681 Reject not vectorized SLP defs for callers that do not support
7683 (vect_check_store_rhs): Handle masked stores and pass down
7684 the appropriate operator index.
7685 (vectorizable_call): Adjust.
7686 (vectorizable_store): Likewise.
7687 (vectorizable_load): Likewise. Handle SLP pecularity of
7689 (vect_is_simple_use): Remove special-casing of masked stores.
7691 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
7693 * common.opt (foffload): Remove help as Driver only.
7694 * gcc.c (display_help): Add -foffload.
7696 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
7698 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
7699 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
7700 a candidate list; better inform no offload target is configured
7701 and fix hint extraction when passed target is not '\0' at [len].
7702 * common.opt (foffload): Add tailing '.'.
7703 (foffload-options): Likewise; fix flag name in the help string.
7705 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
7708 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
7709 (vcage_f32): Gate comparison on __FAST_MATH__.
7710 (vcageq_f32): Likewise.
7711 (vcale_f32): Likewise.
7712 (vcaleq_f32): Likewise.
7713 (vcagt_f32): Likewise.
7714 (vcagtq_f32): Likewise.
7715 (vcalt_f32): Likewise.
7716 (vcaltq_f32): Likewise.
7717 (vcage_f16): Likewise.
7718 (vcageq_f16): Likewise.
7719 (vcale_f16): Likewise.
7720 (vcaleq_f16): Likewise.
7721 (vcagt_f16): Likewise.
7722 (vcagtq_f16): Likewise.
7723 (vcalt_f16): Likewise.
7724 (vcaltq_f16): Likewise.
7726 2021-06-30 Richard Biener <rguenther@suse.de>
7728 PR tree-optimization/101264
7729 * tree-vect-slp.c (vect_optimize_slp): Propagate the
7730 computed perm_in to all "any" permute successors
7731 we cannot de-duplicate immediately.
7733 2021-06-30 liuhongt <hongtao.liu@intel.com>
7736 * config/i386/sse.md
7737 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
7739 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
7741 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
7742 * config/i386/subst.md (maskz_scalar): New define_subst.
7743 (maskz_scalar_name): New subst_attr.
7744 (maskz_scalar_op5): Ditto.
7745 (round_saeonly_maskz_scalar_op5): Ditto.
7746 (round_saeonly_maskz_scalar_operand5): Ditto.
7748 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
7750 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
7751 Increase code CSECT alignment to at least 32 bytes.
7752 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
7753 alignment designation.
7755 2021-06-29 Sergei Trofimovich <siarheit@google.com>
7757 * doc/generic.texi: Fix s/net yet/not yet/ typo.
7759 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
7761 PR tree-optimization/101254
7762 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
7763 wrapping/non-wrapping when setting the result range.
7765 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
7767 * value-query.cc (gimple_range_global): Allow phis.
7769 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
7771 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
7772 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
7773 statement for location context.
7774 (check_for_binary_op_overflow): Ditto.
7775 (simplify_using_ranges::get_vr_for_comparison): Ditto.
7776 (simplify_using_ranges::compare_name_with_value): Ditto.
7777 (simplify_using_ranges::compare_names): Ditto.
7778 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
7779 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
7780 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
7781 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
7782 (simplify_using_ranges::two_valued_val_range_p): Ditto.
7783 (simplify_using_ranges::simplify): Ditto.
7784 * vr-values.h: Adjust prototypes.
7786 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
7789 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
7791 2021-06-29 Julian Brown <julian@codesourcery.com>
7793 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
7794 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
7795 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
7797 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
7798 (MAX_FIXED_MODE_SIZE): Change to 128.
7800 2021-06-29 Julian Brown <julian@codesourcery.com>
7802 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
7803 (s_mnemonic): Add clrsb.
7804 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
7805 (clrsb<mode>2): Add expander for SImode/DImode.
7807 2021-06-29 Julian Brown <julian@codesourcery.com>
7809 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
7810 muldi3): Add patterns.
7812 2021-06-29 Julian Brown <julian@codesourcery.com>
7814 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
7815 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
7817 2021-06-29 Julian Brown <julian@codesourcery.com>
7819 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
7821 2021-06-29 Joseph Myers <joseph@codesourcery.com>
7823 * btfout.c, ctfout.c: Include "memmodel.h".
7825 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
7827 * gcc.c (check_offload_target_name): Cast len argument to
7828 %q.*s to 'int'; avoid -Wstringop-truncation warning.
7830 2021-06-29 Richard Biener <rguenther@suse.de>
7832 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
7833 to "any" permute nodes and relax "any" permute proapgation
7834 during iterative backward propagation.
7836 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
7839 * common.opt (-foffload=): Update description.
7840 (-foffload-options=): New.
7841 * doc/invoke.texi (C Language Options): Document
7842 -foffload and -foffload-options.
7843 * gcc.c (check_offload_target_name): New, split off from
7844 handle_foffload_option.
7845 (check_foffload_target_names): New.
7846 (handle_foffload_option): Handle -foffload=default.
7847 (driver_handle_option): Update for -foffload-options.
7848 * lto-opts.c (lto_write_options): Use -foffload-options
7849 instead of -foffload.
7850 * lto-wrapper.c (merge_and_complain, append_offload_options):
7852 * opts.c (common_handle_option): Likewise.
7854 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
7856 * doc/invoke.texi (C Language Options): Sort options
7857 alphabetically in optlist and also the description itself.
7858 Remove leftover -fallow-single-precision from and add missing
7859 -fgnu-tm to the optlist.
7861 2021-06-29 Richard Biener <rguenther@suse.de>
7863 * tree-vect-slp.c (slpg_vertex::visited): Remove.
7864 (vect_slp_perms_eq): Handle -1 permutes.
7865 (vect_optimize_slp): Rewrite permute propagation.
7867 2021-06-29 Jakub Jelinek <jakub@redhat.com>
7870 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
7871 perform the optimization in GENERIC when sanitizing and x has a
7874 2021-06-29 Richard Biener <rguenther@suse.de>
7876 PR tree-optimization/101242
7877 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
7878 PHIs with not represented initial values as leafs.
7880 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
7882 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
7883 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
7885 (pdp11_initial_elimination_offset) Remove unused variable.
7886 (pdp11_cmp_length) Ditto.
7887 (pdp11_insn_cost): Ditto, and fix signedness warning.
7889 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
7891 * btfout.c: Include tm_p.h.
7894 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
7896 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
7898 (bpf_expand_epilogue): Likewise.
7899 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
7900 Do not define DBX_DEBUGGING_INFO.
7902 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
7904 * doc/invoke.texi: Document the CTF and BTF debug info options.
7906 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
7907 David Faust <david.faust@oracle.com>
7908 Jose E. Marchesi <jose.marchesi@oracle.com>
7909 Weimin Pan <weimin.pan@oracle.com>
7911 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
7912 GTFILES. Add new object files.
7913 * common.opt: Add CTF and BTF debug info options.
7914 * btfout.c: New file.
7917 * ctfout.c: Likewise.
7918 * dwarf2ctf.c: Likewise.
7919 * dwarf2ctf.h: Likewise.
7920 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
7922 * dwarf2out.c (dwarf2out_source_line): Likewise.
7923 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
7925 (debug_format_do_cu): New function.
7926 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
7928 Include dwarf2ctf.c.
7929 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
7931 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
7932 (CTF_DEBUG): New bitmask.
7933 (BTF_DEBUG): Likewise.
7934 (enum ctf_debug_info_levels): New enum.
7935 * gengtype.c (open_base_files): Handle ctfc.h.
7936 (main): Handle uint32_t type.
7937 * flags.h (btf_debuginfo_p): New definition.
7938 (dwarf_based_debuginfo_p): Likewise.
7939 * opts.c (debug_type_names): Add entries for CTF and BTF.
7940 (btf_debuginfo_p): New function.
7941 (dwarf_based_debuginfo_p): Likewise.
7942 (common_handle_option): Handle -gctfN and -gbtf options.
7943 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
7944 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
7947 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
7949 * dwarf2out.c (AT_class): Function is no longer static.
7951 (AT_unsigned): Likewise.
7954 (get_AT_string): Likewise.
7955 (get_AT_flag): Likewise.
7956 (get_AT_unsigned): Likewise.
7957 (get_AT_ref): Likewise.
7958 (new_die_raw): Likewise.
7959 (lookup_decl_die): Likewise.
7960 (base_type_die): Likewise.
7961 (add_name_attribute): Likewise.
7962 (add_AT_int): Likewise.
7963 (add_AT_unsigned): Likewise.
7964 (add_AT_loc): Likewise.
7965 (dw_get_die_tag): New function.
7966 (dw_get_die_child): Likewise.
7967 (dw_get_die_sib): Likewise.
7968 (struct dwarf_file_data): Move from here to dwarf2out.h
7969 (struct dw_attr_struct): Likewise.
7970 * dwarf2out.h: Analogous changes.
7972 2021-06-28 Martin Jambor <mjambor@suse.cz>
7975 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
7976 members m_dead_stmts and m_dead_ssas.
7977 * ipa-param-manipulation.c
7978 (ipa_param_body_adjustments::mark_dead_statements): New function.
7979 (ipa_param_body_adjustments::common_initialization): Call it on
7980 all removed but not split parameters.
7981 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
7983 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
7985 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
7986 dead debug statements.
7987 (copy_phis_for_bb): Do not copy dead PHI nodes.
7989 2021-06-28 Martin Jambor <mjambor@suse.cz>
7992 * symtab-clones.h (clone_info): Removed member param_adjustments.
7993 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
7994 deal with pass-through splits now.
7995 (ipa_param_performed_split): Removed.
7996 (ipa_param_adjustments::modify_call): Adjusted parameters.
7997 (class ipa_param_body_adjustments): Adjusted parameters of
7998 register_replacement, modify_gimple_stmt and modify_call_stmt.
7999 (ipa_verify_edge_has_no_modifications): Declare.
8000 (ipa_edge_modifications_finalize): Declare.
8001 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
8002 performed_splits processing, pas only edge to padjs->modify_call,
8003 check that call arguments were not modified if they should not have
8005 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
8007 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
8008 (ipa_edge_modification_info): Likewise.
8009 (ipa_edge_modification_sum): Likewise.
8010 (ipa_edge_modifications): New edge summary.
8011 (ipa_verify_edge_has_no_modifications): New function.
8012 (transitive_split_p): Removed.
8013 (transitive_split_map): Likewise.
8014 (init_transitive_splits): Likewise.
8015 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
8016 summary instead of performed_splits.
8017 (ipa_param_body_adjustments::register_replacement): Drop dummy
8018 parameter, set base_index of the created ipa_param_body_replacement.
8019 (phi_arg_will_live_p): New function.
8020 (ipa_param_body_adjustments::common_initialization): Do not create
8021 IPA_SRA dummy decls.
8022 (simple_tree_swap_info): Removed.
8023 (remap_split_decl_to_dummy): Likewise.
8024 (record_argument_state_1): New function.
8025 (record_argument_state): Likewise.
8026 (ipa_param_body_adjustments::modify_call_stmt): New parameter
8027 orig_stmt. Do not work with dummy decls, save necessary info about
8028 changes to ipa_edge_modifications.
8029 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
8030 orig_stmt, pass it to modify_call_stmt.
8031 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
8033 (ipa_edge_modifications_finalize): New function.
8034 * tree-inline.c (remap_gimple_stmt): Pass original statement to
8036 (copy_phis_for_bb): Do not copy dead PHI nodes.
8037 (expand_call_inline): Do not remap performed_splits.
8038 (update_clone_info): Likewise.
8039 * toplev.c: Include ipa-param-manipulation.h.
8040 (toplev::finalize): Call ipa_edge_modifications_finalize.
8042 2021-06-28 Andrew Pinski <apinski@marvell.com>
8044 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
8045 info if we're the only things setting the target PHI.
8046 (value_replacement): Don't duplicate range here.
8047 (minmax_replacement): Likewise.
8049 2021-06-28 Richard Biener <rguenther@suse.de>
8051 PR tree-optimization/101229
8052 * gimple-walk.c (gimple_walk_op): Handle PHIs.
8054 2021-06-28 Martin Liska <mliska@suse.cz>
8056 * config/v850/v850.c (construct_dispose_instruction): Allocate
8058 (construct_prepare_instruction): Likewise.
8060 2021-06-28 Martin Liska <mliska@suse.cz>
8062 * config/v850/v850.c (v850_option_override): Build default
8064 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
8065 ignored for inlining.
8066 (TARGET_CAN_INLINE_P): New.
8068 2021-06-28 Richard Biener <rguenther@suse.de>
8070 PR tree-optimization/101207
8071 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
8072 permute eliding for load permutations properly.
8074 2021-06-28 Richard Biener <rguenther@suse.de>
8076 PR tree-optimization/101173
8077 * gimple-loop-interchange.cc
8078 (tree_loop_interchange::valid_data_dependences): Disallow outer
8079 loop dependence distance of zero.
8081 2021-06-28 liuhongt <hongtao.liu@intel.com>
8084 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
8085 define_insn_and_split.
8086 (*avx_cmp<mode>3_ltint): Ditto.
8087 (*avx2_pcmp<mode>3_3): Ditto.
8088 (*avx2_pcmp<mode>3_4): Ditto.
8089 (*avx2_pcmp<mode>3_5): Ditto.
8091 2021-06-28 liuhongt <hongtao.liu@intel.com>
8093 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
8094 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
8095 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
8096 IX86_BUILTIN_PBLENDVB128): Replace icode with
8098 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
8100 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
8101 New pre_reload splitter.
8103 2021-06-27 Andrew Pinski <apinski@marvell.com>
8105 PR middle-end/101230
8106 * fold-const.c (fold_ternary_loc): Check
8107 the return value of invert_tree_comparison.
8109 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
8111 * config.gcc: Add SPDX License Identifier.
8112 (powerpc-ibm-aix789): Default to aix73.h.
8113 (powerpc-ibm-aix7.2.*.*): New stanza.
8114 * config/rs6000/aix72.h: Add SPDX License Identifier.
8115 * config/rs6000/aix73.h: New file.
8117 2021-06-26 Jason Merrill <jason@redhat.com>
8119 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
8121 2021-06-26 Andrew Pinski <apinski@marvell.com>
8123 * genmatch.c (lower_cond): Copy for_subst_vec
8124 for the simplify also.
8125 (lower): Swap the order for lower_for and lower_cond.
8127 2021-06-26 Andrew Pinski <apinski@marvell.com>
8129 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
8130 flow senatitive info on the moved ssa set.
8132 2021-06-26 Andrew Pinski <apinski@marvell.com>
8134 * fold-const.c (fold_cond_expr_with_comparison):
8135 Exand arg0 into comp_code, arg00, and arg01.
8136 (fold_ternary_loc): Use invert_tree_comparison
8137 instead of fold_invert_truthvalue for the case
8138 where we have A CMP B ? C : A.
8140 2021-06-25 Martin Sebor <msebor@redhat.com>
8142 PR middle-end/101216
8143 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
8145 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
8147 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
8149 2021-06-25 Richard Biener <rguenther@suse.de>
8151 PR tree-optimization/101202
8152 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
8155 2021-06-25 Richard Biener <rguenther@suse.de>
8157 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
8158 STMT_VINFO_REDUC_DEF from the original representative.
8160 2021-06-25 Martin Sebor <msebor@redhat.com>
8162 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
8163 gimple_no_warning_p and gimple_set_no_warning with
8164 warning_suppressed_p, and suppress_warning.
8166 (maybe_warn_for_bound): Same.
8167 (warn_for_access): Same.
8168 (check_access): Same.
8169 (expand_builtin_strncmp): Same.
8170 (fold_builtin_varargs): Same.
8171 * calls.c (maybe_warn_nonstring_arg): Same.
8172 (maybe_warn_rdwr_sizes): Same.
8173 * cfgexpand.c (expand_call_stmt): Same.
8174 * cgraphunit.c (check_global_declaration): Same.
8175 * fold-const.c (fold_undefer_overflow_warnings): Same.
8176 (fold_truth_not_expr): Same.
8177 (fold_unary_loc): Same.
8178 (fold_checksum_tree): Same.
8179 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
8180 (array_bounds_checker::check_mem_ref): Same.
8181 (array_bounds_checker::check_addr_expr): Same.
8182 (array_bounds_checker::check_array_bounds): Same.
8183 * gimple-expr.c (copy_var_decl): Same.
8184 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
8185 (gimple_fold_builtin_strncat): Same.
8186 (gimple_fold_builtin_stxcpy_chk): Same.
8187 (gimple_fold_builtin_stpcpy): Same.
8188 (gimple_fold_builtin_sprintf): Same.
8189 (fold_stmt_1): Same.
8190 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
8191 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
8192 * gimple-ssa-sprintf.c (handle_printf_call): Same.
8193 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
8194 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
8195 * gimple-ssa-warn-restrict.h: Adjust declarations.
8196 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
8197 gimple_no_warning_p and gimple_set_no_warning with
8198 warning_suppressed_p, and suppress_warning.
8200 (check_bounds_or_overlap): Same.
8201 * gimple.c (gimple_build_call_from_tree): Same.
8202 * gimplify.c (gimplify_return_expr): Same.
8203 (gimplify_cond_expr): Same.
8204 (gimplify_modify_expr_complex_part): Same.
8205 (gimplify_modify_expr): Same.
8206 (gimple_push_cleanup): Same.
8207 (gimplify_expr): Same.
8208 * omp-expand.c (expand_omp_for_generic): Same.
8209 (expand_omp_taskloop_for_outer): Same.
8210 * omp-low.c (lower_rec_input_clauses): Same.
8211 (lower_lastprivate_clauses): Same.
8212 (lower_send_clauses): Same.
8213 (lower_omp_target): Same.
8214 * tree-cfg.c (pass_warn_function_return::execute): Same.
8215 * tree-complex.c (create_one_component_var): Same.
8216 * tree-inline.c (remap_gimple_op_r): Same.
8217 (copy_tree_body_r): Same.
8218 (declare_return_variable): Same.
8219 (expand_call_inline): Same.
8220 * tree-nested.c (lookup_field_for_decl): Same.
8221 * tree-sra.c (create_access_replacement): Same.
8222 (generate_subtree_copies): Same.
8223 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
8224 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
8225 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
8226 * tree-ssa-loop-im.c (execute_sm): Same.
8227 * tree-ssa-phiopt.c (cond_store_replacement): Same.
8228 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
8229 (handle_builtin_strcpy): Same.
8230 (maybe_diag_stxncpy_trunc): Same.
8231 (handle_builtin_stxncpy_strncat): Same.
8232 (handle_builtin_strcat): Same.
8233 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
8234 (set_no_uninit_warning): Same.
8235 (uninit_undefined_value_p): Same.
8236 (warn_uninit): Same.
8237 (maybe_warn_operand): Same.
8238 * tree-vrp.c (compare_values_warnv): Same.
8239 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
8240 (test_for_singularity): Same.
8241 * gimple.h (warning_suppressed_p): New function.
8242 (suppress_warning): Same.
8243 (copy_no_warning): Same.
8244 (gimple_set_block): Call gimple_set_location.
8245 (gimple_set_location): Call copy_warning.
8247 2021-06-25 Martin Sebor <msebor@redhat.com>
8249 * tree.h (warning_suppressed_at, copy_warning,
8250 warning_suppressed_p, suppress_warning): New functions.
8252 2021-06-25 Martin Sebor <msebor@redhat.com>
8254 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
8255 * gengtype.c (open_base_files): Add diagnostic-spec.h.
8256 * diagnostic-spec.c: New file.
8257 * diagnostic-spec.h: New file.
8258 * tree.h (no_warning, all_warnings, suppress_warning_at): New
8260 * warning-control.cc: New file.
8262 2021-06-25 liuhongt <hongtao.liu@intel.com>
8265 * config/i386/i386.c (x86_order_regs_for_local_alloc):
8268 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
8270 PR tree-optimization/101189
8271 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
8272 LHS range of condition to postfold routine.
8273 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
8274 FALSE edge if the LHS range supports it being taken.
8275 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
8277 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
8279 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
8280 (relation_oracle::find_relation_block): Check correct bitmap.
8281 (relation_oracle::dump): Do not dump NULL blocks.
8283 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
8285 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
8286 range_on_edge instead of manually calculating.
8288 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
8290 * range-op.cc: Fix comment.
8292 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
8295 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
8296 Handle V8QI and V4HI modes.
8297 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
8299 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
8300 (mmxpackmode): New mode attribute.
8301 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
8302 (mmxunpackmode): New mode attribute.
8303 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
8304 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
8305 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
8306 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
8307 * config/i386/i386.md (extsuffix): Move from ...
8308 * config/i386/sse.md: ... here.
8310 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
8312 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
8313 (dwarf2out_finish): ...instead of here.
8315 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
8317 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
8318 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
8319 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
8320 * configure: Regenerate.
8322 2021-06-24 Richard Biener <rguenther@suse.de>
8324 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
8325 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
8326 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
8328 2021-06-24 Richard Biener <rguenther@suse.de>
8330 * config/i386/sse.md (avx_addsubv4df3): Rename to
8332 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
8333 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
8334 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
8335 * config/i386/i386-builtin.def: Adjust.
8336 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
8337 * optabs.def (vec_addsub_optab): New optab.
8338 * tree-vect-slp-patterns.c (class addsub_pattern): New.
8339 (slp_patterns): Add addsub_pattern.
8340 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
8341 across CFN_VEC_ADDSUB.
8342 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
8344 * doc/md.texi (vec_addsub<mode>3): Document.
8346 2021-06-24 Jakub Jelinek <jakub@redhat.com>
8348 PR middle-end/101170
8349 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
8350 where regno + subreg_regno_offset wraps around use 0 as starting
8353 2021-06-24 Jakub Jelinek <jakub@redhat.com>
8355 PR middle-end/101172
8356 * stor-layout.c (finish_bitfield_representative): If nextf has
8357 error_mark_node type, set repr type to error_mark_node too.
8359 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
8361 * config/s390/s390.c (s390_function_profiler): Ignore labelno
8363 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
8365 2021-06-24 Richard Biener <rguenther@suse.de>
8367 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
8368 across operations that have different semantics on different
8371 2021-06-24 Jakub Jelinek <jakub@redhat.com>
8373 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
8374 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
8375 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
8376 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
8377 OMP_TARGET user outer_ctx instead of ctx for placeholders and
8378 initializer/combiner gimplification.
8379 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
8380 on target constructs.
8381 (lower_rec_input_clauses): Likewise.
8382 (lower_omp_target): Likewise.
8383 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
8384 on target if in_reduction is present.
8386 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
8388 * tree-predcom.c (class pcom_worker): New class.
8389 (release_chain): Renamed to...
8390 (pcom_worker::release_chain): ...this.
8391 (release_chains): Renamed to...
8392 (pcom_worker::release_chains): ...this.
8393 (aff_combination_dr_offset): Renamed to...
8394 (pcom_worker::aff_combination_dr_offset): ...this.
8395 (determine_offset): Renamed to...
8396 (pcom_worker::determine_offset): ...this.
8397 (class comp_ptrs): New class.
8398 (split_data_refs_to_components): Renamed to...
8399 (pcom_worker::split_data_refs_to_components): ...this,
8400 and update with class comp_ptrs.
8401 (suitable_component_p): Renamed to...
8402 (pcom_worker::suitable_component_p): ...this.
8403 (filter_suitable_components): Renamed to...
8404 (pcom_worker::filter_suitable_components): ...this.
8405 (valid_initializer_p): Renamed to...
8406 (pcom_worker::valid_initializer_p): ...this.
8407 (find_looparound_phi): Renamed to...
8408 (pcom_worker::find_looparound_phi): ...this.
8409 (add_looparound_copies): Renamed to...
8410 (pcom_worker::add_looparound_copies): ...this.
8411 (determine_roots_comp): Renamed to...
8412 (pcom_worker::determine_roots_comp): ...this.
8413 (determine_roots): Renamed to...
8414 (pcom_worker::determine_roots): ...this.
8415 (single_nonlooparound_use): Renamed to...
8416 (pcom_worker::single_nonlooparound_use): ...this.
8417 (remove_stmt): Renamed to...
8418 (pcom_worker::remove_stmt): ...this.
8419 (execute_pred_commoning_chain): Renamed to...
8420 (pcom_worker::execute_pred_commoning_chain): ...this.
8421 (execute_pred_commoning): Renamed to...
8422 (pcom_worker::execute_pred_commoning): ...this.
8423 (struct epcc_data): New member worker.
8424 (execute_pred_commoning_cbck): Call execute_pred_commoning
8425 with pcom_worker pointer.
8426 (find_use_stmt): Renamed to...
8427 (pcom_worker::find_use_stmt): ...this.
8428 (find_associative_operation_root): Renamed to...
8429 (pcom_worker::find_associative_operation_root): ...this.
8430 (find_common_use_stmt): Renamed to...
8431 (pcom_worker::find_common_use_stmt): ...this.
8432 (combinable_refs_p): Renamed to...
8433 (pcom_worker::combinable_refs_p): ...this.
8434 (reassociate_to_the_same_stmt): Renamed to...
8435 (pcom_worker::reassociate_to_the_same_stmt): ...this.
8436 (stmt_combining_refs): Renamed to...
8437 (pcom_worker::stmt_combining_refs): ...this.
8438 (combine_chains): Renamed to...
8439 (pcom_worker::combine_chains): ...this.
8440 (try_combine_chains): Renamed to...
8441 (pcom_worker::try_combine_chains): ...this.
8442 (prepare_initializers_chain): Renamed to...
8443 (pcom_worker::prepare_initializers_chain): ...this.
8444 (prepare_initializers): Renamed to...
8445 (pcom_worker::prepare_initializers): ...this.
8446 (prepare_finalizers_chain): Renamed to...
8447 (pcom_worker::prepare_finalizers_chain): ...this.
8448 (prepare_finalizers): Renamed to...
8449 (pcom_worker::prepare_finalizers): ...this.
8450 (tree_predictive_commoning_loop): Renamed to...
8451 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
8452 some calls and remove some cleanup code.
8453 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
8454 (static variable looparound_phis): Remove.
8455 (static variable name_expansions): Remove.
8457 2021-06-24 Richard Biener <rguenther@suse.de>
8459 * tree-vect-slp.c (slpg_vertex): New struct.
8460 (vect_slp_build_vertices): Adjust.
8461 (vect_optimize_slp): Likewise. Maintain an outgoing permute
8462 and a materialized one.
8464 2021-06-24 Richard Biener <rguenther@suse.de>
8466 PR tree-optimization/101105
8467 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8468 Only ignore steps when they are equal or scalar order is preserved.
8470 2021-06-24 liuhongt <hongtao.liu@intel.com>
8473 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
8474 Adjust comments for ix86_expand_vecop_qihi2.
8475 (ix86_expand_vecmul_qihi): Renamed to ..
8476 (ix86_expand_vecop_qihi2): Adjust function prototype to
8477 support shift operation, add static to definition.
8478 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
8479 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
8480 ix86_expand_vec_shift_qihi_constant.
8481 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
8482 (ix86_expand_vec_shift_qihi_constant): Deleted.
8483 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
8485 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
8486 condition TARGET_64BIT.
8487 (mul<mode>3): Ditto.
8488 (<insn><mode>3): Ditto.
8489 (vlshr<mode>3): Extend to support avx512 vlshr.
8490 (v<insn><mode>3): New expander for
8492 (v<insn>v8qi3): Ditto.
8493 (vashrv8hi3<mask_name>): Renamed to ..
8494 (vashr<mode>3): And extend to support V16QImode for avx512.
8495 (vashrv16qi3): Deleted.
8496 (vashrv2di3<mask_name>): Extend expander to support avx512
8499 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
8501 * doc/lto.texi (Design Overview): Update that slim objects are
8504 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
8506 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
8507 of OTHER_POWER10_MASKS so it will not be enabled by default.
8509 2021-06-23 Richard Biener <rguenther@suse.de>
8510 Martin Jambor <mjambor@suse.cz>
8512 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
8513 param replacement unconditionally. Adjust comment.
8515 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
8517 * Makefile.in (OBJS): Add gimple-range-fold.o
8518 * gimple-range-fold.cc: New.
8519 * gimple-range-fold.h: New.
8520 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
8521 (gimple_range_calc_op2): Ditto.
8522 * gimple-range-gori.h: Move prototypes to here.
8523 * gimple-range.cc: Adjust include files.
8524 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
8525 (fur_source::get_operand): Ditto.
8526 (fur_source::get_phi_operand): Ditto.
8527 (fur_source::query_relation): Ditto.
8528 (fur_source::register_relation): Ditto.
8529 (class fur_edge): Ditto.
8530 (fur_edge::fur_edge): Ditto.
8531 (fur_edge::get_operand): Ditto.
8532 (fur_edge::get_phi_operand): Ditto.
8533 (fur_stmt::fur_stmt): Ditto.
8534 (fur_stmt::get_operand): Ditto.
8535 (fur_stmt::get_phi_operand): Ditto.
8536 (fur_stmt::query_relation): Ditto.
8537 (class fur_depend): Relocate to gimple-range-fold.h.
8538 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
8539 (fur_depend::register_relation): Ditto.
8540 (fur_depend::register_relation): Ditto.
8541 (class fur_list): Ditto.
8542 (fur_list::fur_list): Ditto.
8543 (fur_list::get_operand): Ditto.
8544 (fur_list::get_phi_operand): Ditto.
8545 (fold_range): Ditto.
8546 (adjust_pointer_diff_expr): Ditto.
8547 (gimple_range_adjustment): Ditto.
8548 (gimple_range_base_of_assignment): Ditto.
8549 (gimple_range_operand1): Ditto.
8550 (gimple_range_operand2): Ditto.
8551 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
8552 (gimple_range_calc_op2): Ditto.
8553 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
8554 (fold_using_range::range_of_range_op): Ditto.
8555 (fold_using_range::range_of_address): Ditto.
8556 (fold_using_range::range_of_phi): Ditto.
8557 (fold_using_range::range_of_call): Ditto.
8558 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
8559 (fold_using_range::range_of_builtin_call): Ditto.
8560 (fold_using_range::range_of_cond_expr): Ditto.
8561 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
8562 (fold_using_range::relation_fold_and_or): Ditto.
8563 (fold_using_range::postfold_gcond_edges): Ditto.
8564 * gimple-range.h: Add gimple-range-fold.h to include files. Change
8565 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
8566 (gimple_range_handler): Relocate to gimple-range-fold.h.
8567 (gimple_range_ssa_p): Ditto.
8568 (range_compatible_p): Ditto.
8569 (class fur_source): Ditto.
8570 (class fur_stmt): Ditto.
8571 (class fold_using_range): Ditto.
8572 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
8573 (gimple_range_calc_op2): Ditto.
8575 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
8577 PR tree-optimization/101148
8578 PR tree-optimization/101014
8579 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
8580 (ranger_cache::~ranger_cache): Adjust.
8581 (ranger_cache::block_range): Check if propagation disallowed.
8582 (ranger_cache::propagate_cache): Disallow propagation if new value
8583 can't be stored properly.
8584 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
8586 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
8588 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
8589 (sbr_vector::set_bb_range): Return true.
8590 (class sbr_sparse_bitmap): Adjust.
8591 (sbr_sparse_bitmap::set_bb_range): Return value.
8592 (block_range_cache::set_bb_range): Return value.
8593 (ranger_cache::propagate_cache): Use return value to print msg.
8594 * gimple-range-cache.h (class block_range_cache): Adjust.
8596 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
8598 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
8600 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
8602 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
8603 so this pattern can be used for test/compare removal. Pass
8604 current insn to compute_logical_op_length and output_logical_op.
8605 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
8606 (h8300_and_costs): Add argument to compute_logical_op_length.
8607 (output_logical_op): Add new argument. Use it to determine if the
8608 condition codes are used and adjust the output accordingly.
8609 (compute_logical_op_length): Add new argument and update length
8610 computations when condition codes are used.
8611 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
8613 (output_logical_op): Likewise.
8615 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
8618 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
8619 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
8620 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
8621 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
8622 * config/i386/sse.md (unspec): ... here.
8624 2021-06-23 Martin Liska <mliska@suse.cz>
8627 * optc-save-gen.awk: Put back arm_fp16_format to
8630 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
8633 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
8636 (clz<mode>2): Update RTX pattern for additions.
8638 2021-06-23 Jakub Jelinek <jakub@redhat.com>
8640 PR middle-end/101167
8641 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
8642 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
8644 2021-06-22 Sergei Trofimovich <siarheit@google.com>
8646 * doc/rtl.texi: drop unbalanced parenthesis.
8648 2021-06-22 Richard Biener <rguenther@suse.de>
8650 PR middle-end/101156
8651 * gimplify.c (gimplify_expr): Remove premature incorrect
8654 2021-06-22 Jakub Jelinek <jakub@redhat.com>
8656 PR tree-optimization/101159
8657 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
8660 2021-06-22 Jakub Jelinek <jakub@redhat.com>
8662 PR middle-end/101160
8663 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
8664 clear crtl->return_rtx instead of keeping it referencing a pseudo.
8666 2021-06-22 Jakub Jelinek <jakub@redhat.com>
8667 Andrew Pinski <apinski@marvell.com>
8669 PR tree-optimization/101162
8670 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
8673 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
8675 * range-op.cc (range_relational_tests): New.
8676 (range_op_tests): Call range_relational_tests.
8678 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
8680 * range-op.cc (operator_cast::lhs_op1_relation): New.
8681 (operator_identity::lhs_op1_relation): Mew.
8683 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
8685 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
8687 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
8689 * range-op.cc (operator_plus::lhs_op1_relation): New.
8690 (operator_plus::lhs_op2_relation): New.
8692 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
8694 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
8695 relation_oracle if dominators exist.
8696 (ranger_cache::~ranger_cache): Dispose of oracle.
8697 (ranger_cache::dump_bb): Dump oracle.
8698 * gimple-range.cc (fur_source::fur_source): New.
8699 (fur_source::get_operand): Use mmeber query.
8700 (fur_source::get_phi_operand): Use member_query.
8701 (fur_source::query_relation): New.
8702 (fur_source::register_dependency): Delete.
8703 (fur_source::register_relation): New.
8704 (fur_edge::fur_edge): Adjust.
8705 (fur_edge::get_phi_operand): Fix comment.
8706 (fur_edge::query): Delete.
8707 (fur_stmt::fur_stmt): Adjust.
8708 (fur_stmt::query): Delete.
8709 (fur_depend::fur_depend): Adjust.
8710 (fur_depend::register_relation): New.
8711 (fur_depend::register_relation): New.
8712 (fur_list::fur_list): Adjust.
8713 (fur_list::get_operand): Use member query.
8714 (fold_using_range::range_of_range_op): Process and query relations.
8715 (fold_using_range::range_of_address): Adjust dependency call.
8716 (fold_using_range::range_of_phi): Ditto.
8717 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
8718 (fold_using_range::relation_fold_and_or): New.
8719 (fold_using_range::postfold_gcond_edges): New.
8720 * gimple-range.h (class gimple_ranger): Adjust.
8721 (class fur_source): Adjust members.
8722 (class fur_stmt): Ditto.
8723 (class fold_using_range): Ditto.
8725 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
8727 * range-op.cc (range_operator::wi_fold): Apply relation effect.
8728 (range_operator::fold_range): Adjust and apply relation effect.
8729 (*::fold_range): Add relation parameters.
8730 (*::op1_range): Ditto.
8731 (*::op2_range): Ditto.
8732 (range_operator::lhs_op1_relation): New.
8733 (range_operator::lhs_op2_relation): New.
8734 (range_operator::op1_op2_relation): New.
8735 (range_operator::op1_op2_relation_effect): New.
8736 (relop_early_resolve): New.
8737 (operator_equal::op1_op2_relation): New.
8738 (operator_equal::fold_range): Call relop_early_resolve.
8739 (operator_not_equal::op1_op2_relation): New.
8740 (operator_not_equal::fold_range): Call relop_early_resolve.
8741 (operator_lt::op1_op2_relation): New.
8742 (operator_lt::fold_range): Call relop_early_resolve.
8743 (operator_le::op1_op2_relation): New.
8744 (operator_le::fold_range): Call relop_early_resolve.
8745 (operator_gt::op1_op2_relation): New.
8746 (operator_gt::fold_range): Call relop_early_resolve.
8747 (operator_ge::op1_op2_relation): New.
8748 (operator_ge::fold_range): Call relop_early_resolve.
8749 * range-op.h (class range_operator): Adjust parameters and methods.
8751 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
8753 * Makefile.in (OBJS): Add value-relation.o.
8754 * gimple-range.h: Adjust include files.
8755 * tree-data-ref.c: Adjust include file order.
8756 * value-query.cc (range_query::get_value_range): Default to no oracle.
8757 (range_query::query_relation): New.
8758 (range_query::query_relation): New.
8759 * value-query.h (class range_query): Adjust.
8760 * value-relation.cc: New.
8761 * value-relation.h: New.
8763 2021-06-22 Richard Biener <rguenther@suse.de>
8765 PR tree-optimization/101151
8766 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
8769 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
8771 * config/riscv/riscv.c (thead_c906_tune_info): New.
8772 (riscv_tune_info_table): Use new tune.
8774 2021-06-22 Richard Biener <rguenther@suse.de>
8776 PR tree-optimization/101158
8777 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
8778 checking after checking for matching operation.
8780 2021-06-22 Richard Biener <rguenther@suse.de>
8782 PR tree-optimization/101159
8783 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
8784 missing NULL vectype check.
8786 2021-06-22 Richard Biener <rguenther@suse.de>
8788 PR tree-optimization/101154
8789 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
8791 2021-06-22 Jakub Jelinek <jakub@redhat.com>
8794 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
8795 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
8796 * config/i386/i386.c (ix86_expand_prologue): Clear it.
8797 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
8798 Remove "" from match_operand. Emit new insns using emit_move_insn and
8799 set ix86_last_zero_store_uid to INSN_UID of the last store.
8800 Add peephole2s for 1/2/4 stores of const0_rtx following previous
8803 2021-06-22 Martin Liska <mliska@suse.cz>
8805 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
8808 2021-06-22 Martin Liska <mliska@suse.cz>
8810 * gcov-io.h: Remove padding entries.
8812 2021-06-22 liuhongt <hongtao.liu@intel.com>
8814 PR tree-optimization/97770
8815 * tree-vect-patterns.c (vect_recog_popcount_pattern):
8817 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
8819 2021-06-22 liuhongt <hongtao.liu@intel.com>
8822 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
8823 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
8824 (expand<mode>_mask): this ..
8825 (*expand<mode>_mask): New pre_reload splitter to transform
8826 v{,p}expand* to vmov* when mask is zero, all ones, or has all
8827 ones in it's lower part, otherwise still generate
8830 2021-06-22 liuhongt <hongtao.liu@intel.com>
8833 * config/i386/i386-expand.c
8834 (ix86_expand_special_args_builtin): Keep constm1_operand only
8835 if it satisfies insn's operand predicate.
8837 2021-06-21 Jason Merrill <jason@redhat.com>
8840 * df-scan.c (df_ref_record): Check that regno < endregno.
8841 * function.c (assign_parms, expand_function_end): Do nothing with a
8842 TYPE_EMPTY_P result.
8844 2021-06-21 Richard Biener <rguenther@suse.de>
8846 PR tree-optimization/101120
8847 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
8849 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
8850 DR chain DCE capability.
8851 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
8852 * tree-vect-stmts.c (vectorizable_load): Remove unused
8853 loads in the DR chain for SLP.
8855 2021-06-21 Jakub Jelinek <jakub@redhat.com>
8857 PR inline-asm/100785
8858 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
8859 output or input operands were already error_mark_node.
8860 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
8861 remove all inputs, outputs and clobbers from the asm and
8864 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
8866 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
8867 (vceq_s16): Likewise.
8868 (vceq_s32): Likewise.
8869 (vceq_u8): Likewise.
8870 (vceq_u16): Likewise.
8871 (vceq_u32): Likewise.
8872 (vceq_p8): Likewise.
8873 (vceqq_s8): Likewise.
8874 (vceqq_s16): Likewise.
8875 (vceqq_s32): Likewise.
8876 (vceqq_u8): Likewise.
8877 (vceqq_u16): Likewise.
8878 (vceqq_u32): Likewise.
8879 (vceqq_p8): Likewise.
8880 (vceq_f32): Gate __a == __b on __FAST_MATH__.
8881 (vceqq_f32): Likewise.
8882 (vceq_f16): Likewise.
8883 (vceqq_f16): Likewise.
8885 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
8888 * config/arm/iterators.md (NEON_VACMP): Remove.
8889 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
8891 (neon_vca<cmp_op><mode>_insn): Likewise.
8892 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
8895 2021-06-21 Richard Biener <rguenther@suse.de>
8897 PR tree-optimization/101121
8898 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
8899 when we just lack a stmt with the desired op when doing permutation.
8900 (vect_build_slp_tree): When caching a failed SLP build attempt
8901 assert that at least one lane is marked as not matching.
8903 2021-06-21 liuhongt <hongtao.liu@intel.com>
8906 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
8907 register alternative.
8908 (*and<mode>_1): Ditto.
8910 (*andn<mode>_1): Ditto.
8911 (*<code><mode>_1): Ditto.
8912 (*<code>qi_1): Ditto.
8913 (*one_cmpl<mode>2_1): Ditto.
8914 (*one_cmplsi2_1_zext): Ditto.
8915 (*one_cmplqi2_1): Ditto.
8916 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
8917 the order of mask registers to be before general registers.
8919 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
8922 * config/i386/i386.md: New define_peephole2s to shrink writing
8923 1, 2 or 4 consecutive zeros to memory when optimizing for size.
8925 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
8927 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
8928 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
8929 more efficient code when the source can be trivially simplified.
8931 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
8933 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
8934 a range if global is not available.
8935 (ranger_cache::entry_range): Fallback to range_of_def.
8936 * gimple-range-cache.h (range_of_def): Adjust prototype.
8938 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
8940 PR tree-optimization/101014
8941 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
8943 (ranger_cache::~ranger_cache): Ditto.
8944 (ranger_cache::enable_new_values): Delete.
8945 (ranger_cache::push_poor_value): Delete.
8946 (ranger_cache::range_of_def): Remove poor value processing.
8947 (ranger_cache::entry_range): Ditto.
8948 (ranger_cache::fill_block_cache): Ditto.
8949 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
8950 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
8951 * gimple-range.h (class gimple_ranger): Adjust.
8953 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
8956 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
8957 derived from arm_canon_arch.
8958 (arm_canon_arch_option): Call it.
8959 (arm_canon_arch_multilib_option): New function.
8960 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
8961 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
8962 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
8963 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
8964 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
8965 * config/arm/arm.opt (mlibarch): New option.
8966 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
8967 of march on RHS with mlibarch.
8969 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
8971 * config.in: Regenerate.
8972 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
8974 * configure: Regenerate.
8975 * configure.ac: Fix for global_load assembler functions.
8977 2021-06-18 Richard Biener <rguenther@suse.de>
8979 PR tree-optimization/101112
8980 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
8981 to lookup a pattern stmt def.
8983 2021-06-18 Jakub Jelinek <jakub@redhat.com>
8985 PR middle-end/101062
8986 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
8987 representatives in QUAL_UNION_TYPE.
8989 2021-06-18 Andrew Pinski <apinski@marvell.com>
8991 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
8992 Add counting of how many times it is done.
8993 (factor_out_conditional_conversion): Likewise.
8994 (match_simplify_replacement): Likewise.
8995 (value_replacement): Likewise.
8996 (spaceship_replacement): Likewise.
8997 (cond_store_replacement): Likewise.
8998 (cond_if_else_store_replacement_1): Likewise.
8999 (hoist_adjacent_loads): Likewise.
9001 2021-06-18 Andrew Pinski <apinski@marvell.com>
9003 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
9004 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
9005 (verify_gimple_assign_binary): Reject point and offset types on
9006 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
9007 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
9008 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
9010 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
9012 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
9013 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
9014 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
9017 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
9019 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
9020 earlyclobber to alts 0/1.
9021 (gen_addadd): Add earlyclobber to alts 0/1.
9022 * config/rs6000/fusion.md: Regenerate file.
9024 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
9026 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
9028 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
9030 * gimple-range-cache.cc: Comment cleanups.
9031 * gimple-range-gori.cc: Comment cleanups.
9032 * gimple-range.cc: Comment/spacing cleanups
9033 * value-range.h: Comment cleanups.
9035 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
9038 * calls.c (expand_call): Replace PUSH_ARGS with
9039 targetm.calls.push_argument (0).
9040 (emit_library_call_value_1): Likewise.
9041 * defaults.h (PUSH_ARGS): Removed.
9042 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
9043 targetm.calls.push_argument (0).
9044 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
9045 (emit_push_insn): Pass the number bytes to push to
9046 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
9047 * hooks.c (hook_bool_uint_true): New.
9048 * hooks.h (hook_bool_uint_true): Likewise.
9049 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
9050 targetm.calls.push_argument (0).
9051 * target.def (push_argument): Add a targetm.calls hook.
9052 * targhooks.c (default_push_argument): New.
9053 * targhooks.h (default_push_argument): Likewise.
9054 * config/bpf/bpf.h (PUSH_ARGS): Removed.
9055 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
9056 * config/cr16/cr16.h (PUSH_ARGS): Removed.
9057 * config/i386/i386.c (ix86_push_argument): New.
9058 (TARGET_PUSH_ARGUMENT): Likewise.
9059 * config/i386/i386.h (PUSH_ARGS): Removed.
9060 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
9061 * config/m32c/m32c.h (PUSH_ARGS): Removed.
9062 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
9063 * config/pru/pru.h (PUSH_ARGS): Likewise.
9064 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
9065 TARGET_PUSH_ARGUMENT hook.
9066 * doc/tm.texi: Regenerated.
9068 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
9071 * config/i386/i386-expand.c (expand_vector_set_var):
9072 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
9073 ix86_expand_vector_init_duplicate.
9074 (ix86_expand_vector_init_duplicate): Emit insv_1 for
9075 QImode for !TARGET_PARTIAL_REG_STALL.
9076 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
9077 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
9078 as operand 2 predicate. Call ix86_expand_vector_set_var
9079 for non-constant index operand.
9080 (vec_setv2si): Ditto.
9081 (vec_setv4hi): Ditto.
9082 (vec_setv8qi): ditto.
9084 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
9086 PR tree-optimization/100790
9087 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
9090 2021-06-17 Martin Liska <mliska@suse.cz>
9092 * doc/invoke.texi: Use consistently -O1 instead of -O.
9094 2021-06-17 Martin Liska <mliska@suse.cz>
9096 * gcov-io.h: Update documentation entry about string format.
9098 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
9101 * config/s390/vecintrin.h (vec_doublee): Fix to use
9102 __builtin_s390_vflls.
9103 (vec_floate): Fix to use __builtin_s390_vflrd.
9105 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
9107 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
9108 * dominance.h (get_dominated_to_depth): Likewise.
9109 (get_all_dominated_blocks): Likewise.
9110 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
9111 * gcse.c (hoist_code): Likewise.
9112 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
9113 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
9114 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
9115 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
9117 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
9119 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
9120 * dominance.h (get_dominated_by_region): Likewise.
9121 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
9122 (gimple_duplicate_sese_tail): Likewise.
9123 (move_sese_region_to_fn): Likewise.
9125 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
9127 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
9128 * dominance.h (get_dominated_by): Likewise.
9129 * auto-profile.c (afdo_find_equiv_class): Adjust.
9130 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
9131 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
9132 * tree-cfg.c (test_linear_chain): Likewise.
9133 (test_diamond): Likewise.
9135 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
9137 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
9138 * cfgloopanal.c (get_loop_hot_path): Likewise.
9139 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
9141 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
9143 * cgraph.c (cgraph_node::collect_callers): Return
9144 auto_vec<cgraph_edge *>.
9145 * cgraph.h (cgraph_node::collect_callers): Likewise.
9146 * ipa-cp.c (create_specialized_node): Adjust.
9147 (decide_about_value): Likewise.
9148 (decide_whether_version_node): Likewise.
9149 * ipa-sra.c (process_isra_node_results): Likewise.
9151 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
9153 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
9154 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
9156 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
9159 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
9161 * gimple-range.cc (debug_seed_ranger): New.
9163 (debug_ranger): New.
9165 2021-06-17 Richard Biener <rguenther@suse.de>
9167 PR tree-optimization/54400
9168 * tree-vectorizer.h (enum slp_instance_kind): Add
9169 slp_inst_kind_bb_reduc.
9170 (reduction_fn_for_scalar_code): Declare.
9171 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
9172 Check SLP_INSTANCE_KIND instead of looking at the
9174 (vect_slp_analyze_instance_alignment): Likewise.
9175 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
9176 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
9177 chain linearization from vect_build_slp_tree_2 and generalize
9178 for the use of BB reduction vectorization.
9179 (vect_build_slp_tree_2): Adjust accordingly.
9180 (vect_optimize_slp): Elide permutes at the root of BB reduction
9182 (vectorizable_bb_reduc_epilogue): New function.
9183 (vect_slp_prune_covered_roots): Likewise.
9184 (vect_slp_analyze_operations): Use them.
9185 (vect_slp_check_for_constructors): Recognize associatable
9186 chains for BB reduction vectorization.
9187 (vectorize_slp_instance_root_stmt): Generate code for the
9188 BB reduction epilogue.
9190 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
9192 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
9194 (gori_compute::may_recompute_p): New.
9195 (gori_compute::outgoing_edge_range_p): Perform recomputations.
9196 * gimple-range-gori.h (class gori_compute): Add prototype.
9198 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
9200 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
9201 true when a range can be calculated.
9202 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
9204 2021-06-16 Martin Sebor <msebor@redhat.com>
9206 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
9207 Correct documented defaults.
9209 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
9211 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
9212 m_new_value_p directly.
9214 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
9217 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
9218 Handle 64bit modes for TARGET_SSE4_1.
9219 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
9220 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
9221 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
9222 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
9223 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
9224 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
9226 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
9228 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
9229 Change to an expander that emits the correct instruction
9230 depending on endianness.
9231 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
9232 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
9234 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
9236 * config/aarch64/aarch64-simd-builtins.def: Split generator
9237 for aarch64_<su>qmovn builtins into scalar and vector
9239 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
9241 (aarch64_<su>qmovn<mode>_insn_be): Define.
9242 (aarch64_<su>qmovn<mode>): Split into scalar and vector
9243 variants. Change vector variant to an expander that emits the
9244 correct instruction depending on endianness.
9246 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
9248 * config/aarch64/aarch64-simd-builtins.def: Split generator
9249 for aarch64_sqmovun builtins into scalar and vector variants.
9250 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
9251 Split into scalar and vector variants. Change vector variant
9252 to an expander that emits the correct instruction depending
9254 (aarch64_sqmovun<mode>_insn_le): Define.
9255 (aarch64_sqmovun<mode>_insn_be): Define.
9257 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
9259 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
9260 Define - modeling zero-high-half semantics.
9261 (aarch64_xtn<mode>): Change to an expander that emits the
9262 appropriate instruction depending on endianness.
9263 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
9265 (aarch64_xtn2<mode>_le): Rename to...
9266 (aarch64_xtn2<mode>_insn_le): This.
9267 (aarch64_xtn2<mode>_be): Rename to...
9268 (aarch64_xtn2<mode>_insn_be): This.
9269 (vec_pack_trunc_<mode>): Emit truncation instruction instead
9271 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
9274 2021-06-16 Martin Jambor <mjambor@suse.cz>
9276 PR tree-optimization/100453
9277 * tree-sra.c (create_access): Disqualify any const candidates
9278 which are written to.
9279 (sra_modify_expr): Do not store sub-replacements back to a const base.
9280 (handle_unscalarized_data_in_subtree): Likewise.
9281 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
9282 instead of constant_decl_p.
9284 2021-06-16 Jakub Jelinek <jakub@redhat.com>
9286 PR middle-end/101062
9287 * stor-layout.c (finish_bitfield_representative): For fields in unions
9288 assume nextf is always NULL.
9289 (finish_bitfield_layout): Compute bit field representatives also in
9290 unions, but handle it as if each bitfield was the only field in the
9293 2021-06-16 Richard Biener <rguenther@suse.de>
9295 PR tree-optimization/101088
9296 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
9297 supported refs on edges. Do not assert same ref but
9298 different kind stores are unsuported but mark them so.
9299 (hoist_memory_references): Only look for supported refs
9302 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
9304 PR rtl-optimization/46235
9305 * config/i386/i386.md: New define_split for bt followed by cmov.
9306 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
9307 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
9308 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
9309 by setnc with zero extension.
9311 2021-06-16 Richard Biener <rguenther@suse.de>
9313 PR tree-optimization/101083
9314 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
9315 vectype as argument.
9316 (vect_build_slp_tree_2): Adjust.
9318 2021-06-15 Martin Sebor <msebor@redhat.com>
9320 PR middle-end/100876
9321 * builtins.c: (gimple_call_return_array): Account for size_t
9322 mangling as either unsigned int or unsigned long
9324 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
9326 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
9327 up before eliminating comparisons.
9329 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
9331 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
9332 nonzero|X is nonzero.
9333 (range_op_bitwise_and_tests): Add tests for above.
9335 2021-06-15 Carl Love <cel@us.ibm.com>
9338 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
9340 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
9343 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
9346 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
9347 (struct gimplify_omp_ctx): Extend defaultmap array by one.
9348 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
9349 (omp_notice_variable): Update type classification for Fortran.
9350 (gimplify_scan_omp_clauses): Update calls for new argument; handle
9351 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
9352 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
9353 * langhooks.c (lhd_omp_scalar_p): Likewise.
9354 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
9355 (LANG_HOOKS_DECLS): Add them.
9356 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
9357 omp_scalar_p pointer type to include the new bool argument.
9359 2021-06-15 David Malcolm <dmalcolm@redhat.com>
9362 (Special Functions for Debugging the Analyzer): Add
9363 __analyzer_dump_capacity.
9365 2021-06-15 Jakub Jelinek <jakub@redhat.com>
9368 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
9369 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
9371 2021-06-15 Richard Biener <rguenther@suse.de>
9373 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
9374 check to identify loop latches.
9375 * cfgloop.c (verify_loop_structure): Likewise.
9376 * loop-init.c (apply_loop_flags): Allow marked irreducible
9377 regions even with multiple latches.
9378 * predict.c (rebuild_frequencies): Simplify.
9380 2021-06-15 Richard Biener <rguenther@suse.de>
9382 * tree-ssa-threadupdate.c
9383 (jump_thread_path_registry::mark_threaded_blocks): Assert we
9384 have marked irreducible regions.
9386 2021-06-14 Martin Sebor <msebor@redhat.com>
9389 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
9390 Handle calls to placement new.
9391 (ndecl_dealloc_argno): Avoid placement delete.
9393 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
9396 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
9397 create_tmp_reg_or_ssa_name().
9399 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
9401 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
9402 (ranger_cache::enable_new_values): Set to specified value and
9403 return the old value.
9404 (ranger_cache::disable_new_values): Delete.
9405 (ranger_cache::fill_block_cache): Disable non 1st order derived
9407 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
9408 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
9410 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
9413 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
9414 Return true early when testing with V2HImode.
9415 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
9417 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
9419 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
9420 (mve_vec_unpack<US>_hi_<mode>): New pattern.
9421 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
9422 (mve_vmovntq_<supf><mode>): Prefix with '@'.
9423 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
9425 (vec_unpack<US>_lo_<mode>): Likewise.
9426 (vec_pack_trunc_<mode>): Rename to
9427 neon_quad_vec_pack_trunc_<mode>.
9428 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
9430 (vec_unpack<US>_lo_<mode>): New.
9431 (vec_pack_trunc_<mode>): New.
9433 2021-06-14 Richard Biener <rguenther@suse.de>
9435 PR tree-optimization/100934
9436 * tree-ssa-dom.c (pass_dominator::execute): Properly
9437 mark irreducible regions.
9439 2021-06-14 Martin Liska <mliska@suse.cz>
9441 * doc/invoke.texi: Put r{...} on the same line as @item.
9443 2021-06-14 Martin Liska <mliska@suse.cz>
9445 * doc/invoke.texi: Add missing newline.
9447 2021-06-14 Martin Liska <mliska@suse.cz>
9449 * doc/invoke.texi: Remove '+' charasters.
9451 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
9453 * config.gcc (arc): Add support for with_cpu option.
9454 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
9456 2021-06-14 Richard Biener <rguenther@suse.de>
9458 PR tree-optimization/101031
9459 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
9460 instead of size when accounting for a possibly string
9463 2021-06-14 Martin Liska <mliska@suse.cz>
9465 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
9467 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
9469 * value-query.cc (gimple_range_global): Call get_range_global
9470 if called after inlining.
9472 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
9475 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
9476 Emit constant permutation insn directly from here.
9478 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
9480 * attribs.c (find_attribute_namespace): Iterate over vec<> with
9482 * auto-profile.c (afdo_find_equiv_class): Likewise.
9483 * gcc.c (do_specs_vec): Likewise.
9484 (do_spec_1): Likewise.
9485 (driver::set_up_specs): Likewise.
9486 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
9487 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
9488 (imm_store_chain_info::try_coalesce_bswap): Likewise.
9489 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
9490 (get_location_for_stmts): Likewise.
9491 * graphite-poly.c (print_iteration_domains): Likewise.
9492 (free_poly_bb): Likewise.
9493 (remove_gbbs_in_scop): Likewise.
9494 (free_scop): Likewise.
9495 (dump_gbb_cases): Likewise.
9496 (dump_gbb_conditions): Likewise.
9497 (print_pdrs): Likewise.
9498 (print_scop): Likewise.
9499 * ifcvt.c (cond_move_process_if_block): Likewise.
9500 * lower-subreg.c (decompose_multiword_subregs): Likewise.
9501 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
9502 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
9503 * sel-sched-dump.c (dump_insn_vector): Likewise.
9504 * store-motion.c (store_ops_ok): Likewise.
9505 (store_killed_in_insn): Likewise.
9506 * timevar.c (timer::named_items::print): Likewise.
9507 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
9508 (cleanup_tree_cfg_noloop): Likewise.
9509 * tree-data-ref.c (dump_data_references): Likewise.
9510 (print_dir_vectors): Likewise.
9511 (print_dist_vectors): Likewise.
9512 (dump_data_dependence_relations): Likewise.
9513 (dump_dist_dir_vectors): Likewise.
9514 (dump_ddrs): Likewise.
9515 (create_runtime_alias_checks): Likewise.
9516 (free_subscripts): Likewise.
9517 (save_dist_v): Likewise.
9518 (save_dir_v): Likewise.
9519 (invariant_access_functions): Likewise.
9520 (same_access_functions): Likewise.
9521 (access_functions_are_affine_or_constant_p): Likewise.
9522 (find_data_references_in_stmt): Likewise.
9523 (graphite_find_data_references_in_stmt): Likewise.
9524 (free_dependence_relations): Likewise.
9525 (free_data_refs): Likewise.
9526 * tree-inline.c (copy_debug_stmts): Likewise.
9527 * tree-into-ssa.c (dump_currdefs): Likewise.
9528 (rewrite_update_phi_arguments): Likewise.
9529 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
9530 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
9532 (vect_slp_analyze_node_dependences): Likewise.
9533 (vect_slp_analyze_instance_dependence): Likewise.
9534 (vect_record_base_alignments): Likewise.
9535 (vect_get_peeling_costs_all_drs): Likewise.
9536 (vect_peeling_supportable): Likewise.
9537 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
9538 (vec_info::free_stmt_vec_infos): Likewise.
9540 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
9542 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
9543 (andqi3_1<cczn>): Removed.
9544 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
9545 (H8/SX bit logicals): Split out from other patterns.
9546 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
9547 mulqihi3_const_clobber_flags.
9548 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
9550 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
9553 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
9554 to true if red zone is used.
9555 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
9557 * config/i386/i386.h (machine_function): Add red_zone_used.
9558 (ix86_red_zone_size): Removed.
9559 (ix86_red_zone_used): New.
9560 * config/i386/i386.md (peephole2 patterns): Replace
9561 ix86_red_zone_size with ix86_red_zone_used.
9563 2021-06-12 Jason Merrill <jason@redhat.com>
9565 * doc/extend.texi (unused variable attribute): Applies to
9566 structure fields as well.
9568 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
9570 * auto-profile.c (read_profile): fix a typo in an error string
9572 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
9574 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
9576 * tree-pretty-print.c (dump_omp_clauses): Update.
9577 (dump_generic_node) <OMP_CLAUSE>: Use it.
9579 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
9582 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
9583 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
9584 the polymorphic variants matching code.
9585 (__arm_vld1q_z): Likewise.
9586 (__arm_vld2q): Likewise.
9587 (__arm_vld4q): Likewise.
9588 (__arm_vldrbq_gather_offset): Likewise.
9589 (__arm_vldrbq_gather_offset_z): Likewise.
9591 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
9593 PR tree-optimization/96392
9594 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
9596 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
9598 PR tree-optimization/96392
9599 * fold-const.c (fold_real_zero_addition_p): Take both arguments
9600 of the addition or subtraction, not just the zero. Use this
9601 other argument in tests for signaling NaNs and signed zeros.
9602 (tree_expr_maybe_real_minus_zero_p): New predicate.
9603 * fold-const.h (fold_real_zero_addition_p): Update prototype.
9604 (tree_expr_maybe_real_minus_zero_p): New function prototype.
9605 * match.pd: Update calls to fold_real_zero_addition_p.
9606 Replace HONOR_NANS with tree_expr_maybe_nan_p.
9607 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
9608 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
9609 * tree-ssa-reassoc.c (eliminate_using_constants): Update
9610 call to fold_real_zero_addition_p.
9612 2021-06-11 Richard Biener <rguenther@suse.de>
9614 PR tree-optimization/101025
9615 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
9616 all refs that require dependence checking.
9618 2021-06-11 Richard Biener <rguenther@suse.de>
9620 PR tree-optimization/101028
9621 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
9622 reassoc discovery fails fatally, mark appropriate lanes
9625 2021-06-11 Richard Biener <rguenther@suse.de>
9627 PR tree-optimization/101026
9628 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
9629 have a representative for the associated chain nodes.
9631 2021-06-11 Jakub Jelinek <jakub@redhat.com>
9633 PR rtl-optimization/101008
9634 * simplify-rtx.c (relational_result): New function.
9635 (simplify_logical_relational_operation,
9636 simplify_relational_operation): Use it.
9638 2021-06-11 Jakub Jelinek <jakub@redhat.com>
9641 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
9643 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
9646 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
9647 false if the permutation can be implemented with constant
9648 permutation instruction in wider mode.
9649 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
9650 Handle V8QImode and V4HImode.
9652 2021-06-11 Martin Liska <mliska@suse.cz>
9654 PR gcov-profile/100788
9655 * common.opt: Add new option.
9656 * coverage.c (coverage_begin_function): Emit warning instead on
9657 the internal compiler error.
9658 * doc/invoke.texi: Document the option.
9659 * toplev.c (process_options): Enable it by default.
9661 2021-06-11 Richard Biener <rguenther@suse.de>
9663 PR middle-end/101009
9664 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
9665 to set *init_b to true when we encounter a constant equal
9667 (compute_affine_dependence): Also dump the actual DR_REF.
9669 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
9671 PR tree-optimization/100984
9672 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
9674 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
9676 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
9678 * config/rs6000/rs6000.md
9679 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
9680 define_insn_and_split.
9682 2021-06-11 Richard Biener <rguenther@suse.de>
9684 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
9685 to sort operands of the associative chain.
9687 2021-06-11 Richard Biener <rguenther@suse.de>
9689 * system.h (gcc_stablesort_r): Declare.
9690 * sort.cc (gcc_sort_r): Support stable sort.
9691 (gcc_stablesort_r): Define.
9692 * vec.h (vec<>::stablesort): Add.
9694 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
9697 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
9698 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
9699 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
9700 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
9701 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
9702 (expand_vec_perm_interleave2): Handle 64bit modes.
9703 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
9704 (expand_vec_perm_even_odd_1): Ditto.
9705 (ix86_vectorize_vec_perm_const): Ditto.
9706 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
9707 * config/i386/sse.md: ... here.
9708 * config/i386/mmx.md (*vec_interleave_lowv2sf):
9709 New insn_and_split pattern.
9710 (*vec_interleave_highv2sf): Ditto.
9711 (mmx_pshufbv8qi3): New insn pattern.
9712 (*mmx_pblendw): Ditto.
9714 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
9716 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
9717 (build_acc): Likewise.
9718 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
9719 source operands in little-endian mode.
9720 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
9721 (mma_init_builtins): Likewise.
9722 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
9723 ordering for the MMA assemble and build source operands.
9724 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
9726 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
9729 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
9731 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
9733 * config/h8300/extensions.md: Replace _clobber_flags patterns
9736 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
9738 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
9739 (vcond_mask_<mode><tointvec>): this.
9741 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
9742 Thomas Schwinge <thomas@codesourcery.com>
9744 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
9745 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
9746 * gimple.h (enum gf_mask): Split
9747 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
9748 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
9749 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
9750 (is_gimple_omp_oacc): Update.
9751 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
9752 * gimplify.c (gimplify_omp_target_update): Likewise.
9753 * omp-expand.c (expand_omp_target, build_omp_regions_1)
9754 (omp_make_gimple_edges): Likewise.
9755 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
9758 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
9760 * value-query.cc (value_query::value_on_edge): Rename name to
9762 (range_query::range_on_edge): Same.
9763 (range_query::value_of_expr): Same.
9764 (range_query::value_on_edge): Same.
9765 * value-query.h (class value_query): Same.
9766 (class range_query): Same.
9768 2021-06-10 Richard Biener <rguenther@suse.de>
9770 PR tree-optimization/101003
9771 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
9772 use the pattern stmt defs when linearizing a chain.
9774 2021-06-10 Jakub Jelinek <jakub@redhat.com>
9777 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
9778 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
9780 2021-06-10 Clement Chigot <clement.chigot@atos.net>
9782 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
9783 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
9785 2021-06-09 Andrew Pinski <apinski@marvell.com>
9787 PR tree-optimization/100925
9788 * match.pd (a ? CST1 : CST2): Limit transformations
9789 that would produce a negative to integeral types only.
9790 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
9792 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
9795 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
9797 * doc/tm.texi: Correctly update.
9799 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
9801 * doc/tm.texi: Correctly update.
9803 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
9806 * doc/tm.texi.in (Trampolines): Add a missing blank line.
9808 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
9811 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
9812 and -ftrampolines work only with Ada.
9813 * doc/tm.texi.in (Trampolines): Likewise.
9814 * doc/tm.texi: Regenerated.
9816 2021-06-09 Carl Love <cel@us.ibm.com>
9818 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
9819 Add define for new builtins.
9820 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
9821 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
9822 overloaded builtin definitions.
9823 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
9824 VSIGNEXTSD2Q): Add builtin expansions.
9825 (SIGNEXT): Add P10 overload definition.
9826 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
9827 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
9828 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
9829 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
9830 vsignextend_si_v2di)[VIlong]: Add define_expand.
9831 Make define_insn vsx_sign_extend_si_v2di visible.
9832 * doc/extend.texi: Add documentation for the vec_signexti,
9833 vec_signextll builtins and vec_signextq.
9835 2021-06-09 Carl Love <cel@us.ibm.com>
9837 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
9838 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
9839 __floattikf_sw, __floatuntikf_sw respectively.
9840 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
9841 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
9842 define_insn for mode IEEE 128.
9844 2021-06-09 Carl Love <cel@us.ibm.com>
9846 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
9847 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
9848 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
9849 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
9850 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
9851 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
9852 uses of VSX_TI to VEC_TI.
9854 2021-06-09 Carl Love <cel@us.ibm.com>
9856 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
9858 2021-06-09 Carl Love <cel@us.ibm.com>
9860 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
9862 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
9863 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
9864 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
9865 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
9866 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
9867 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
9868 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
9870 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
9871 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
9872 altivec_vrlqnm): New define_expands.
9873 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
9874 VCMPGTUT_P): Add macro expansions.
9875 (BU_P10V_AV_P): Add builtin predicate definition.
9876 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
9877 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
9878 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
9879 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
9880 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
9881 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
9882 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
9883 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
9884 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
9885 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
9886 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
9887 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
9888 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
9889 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
9890 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
9891 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
9892 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
9893 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
9894 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
9895 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
9896 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
9897 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
9898 P10V_BUILTIN_MODU_V1TI):
9899 New overloaded definitions.
9900 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
9901 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
9902 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
9903 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
9904 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
9905 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
9907 (altivec_init_builtins): New E_V1TImode case statement.
9908 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
9909 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
9910 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
9911 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
9912 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
9913 E_V1TImode]: New case statements.
9914 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
9915 value RS6000_BTI_bool_V1TI.
9916 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
9917 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
9918 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
9919 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
9920 vlshrv1ti3, vashrv1ti3): New define_expands.
9921 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
9922 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
9923 UNSPEC_VSX_MODUQ): New unspecs.
9924 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
9925 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
9927 (vcmpnet): New define_expand.
9928 * doc/extend.texi: Add documentation for the new builtins vec_rl,
9929 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
9930 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
9931 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
9932 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
9933 vec_any_ge, vec_any_le.
9935 2021-06-09 Carl Love <cel@us.ibm.com>
9937 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
9938 bug in argument generation.
9940 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
9942 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
9944 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
9945 remove <supf> iterator.
9946 (mve_vclzq_u<mode>): New.
9947 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
9948 (neon_vclz<mode): Move to ...
9949 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
9950 * config/arm/vec-common.md: ... here. Add support for MVE.
9952 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
9954 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
9955 (@mve_vrhaddq_<supf><mode): Likewise.
9956 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
9957 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
9958 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
9960 2021-06-09 imba-tjd <109224573@qq.com>
9962 * doc/invoke.texi: Fix typo.
9964 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
9967 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
9968 Support evaluation of fmod/fmodf/fmodl at compile-time.
9970 2021-06-09 Richard Biener <rguenther@suse.de>
9972 PR tree-optimization/100981
9973 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
9974 gimple_get_lhs to also handle calls.
9975 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
9978 2021-06-09 Richard Biener <rguenther@suse.de>
9980 PR tree-optimization/97832
9981 * tree-vectorizer.h (_slp_tree::failed): New.
9982 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
9984 (_slp_tree::~_slp_tree): Free failed.
9985 (vect_build_slp_tree): Retain failed nodes and record
9986 matches in them, copying that back out when running
9987 into a cached fail. Dump start and end of discovery.
9989 (vect_build_slp_tree_2): Handle associatable chains
9990 together doing more aggressive operand swapping.
9992 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
9995 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
9997 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
9998 Linux and GNU targets.
10000 2021-06-09 Richard Biener <rguenther@suse.de>
10002 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
10005 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
10007 * config/arc/arc.md (loop_end): Change it to
10008 define_insn_and_split.
10010 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
10012 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
10013 (machi): New pattern.
10014 (umaddhisi4): Use VMAC2HU instruction.
10015 (umachi): New pattern.
10017 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
10019 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
10020 * config/arc/arc.c (arc_split_move_p): New function.
10021 (arc_split_move): Clean up.
10022 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
10023 (movdf_insn): Likewise.
10024 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
10026 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
10029 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
10030 argument to "raw". Do not emit segment overrides when "raw" is true.
10032 2021-06-09 Martin Liska <mliska@suse.cz>
10034 * doc/gcov.texi: Create a proper JSON files.
10035 * doc/invoke.texi: Remove dots in order to make it a valid
10038 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
10040 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
10041 (insn_is_load_p): Use pattern_is_rotate64.
10042 (insn_is_swap_p): Likewise.
10043 (quad_aligned_load_p): Likewise.
10044 (const_load_sequence_p): Likewise.
10045 (replace_swapped_aligned_load): Likewise.
10046 (recombine_lvx_pattern): Likewise.
10047 (recombine_stvx_pattern): Likewise.
10049 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
10051 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
10052 fur_stmt source record.
10053 * gimple-range.cc (fur_source::get_operand): Generic range query.
10054 (fur_source::get_phi_operand): New.
10055 (fur_source::register_dependency): New.
10056 (fur_source::query): New.
10057 (class fur_edge): New. Edge source for operands.
10058 (fur_edge::fur_edge): New.
10059 (fur_edge::get_operand): New.
10060 (fur_edge::get_phi_operand): New.
10061 (fur_edge::query): New.
10062 (fur_stmt::fur_stmt): New.
10063 (fur_stmt::get_operand): New.
10064 (fur_stmt::get_phi_operand): New.
10065 (fur_stmt::query): New.
10066 (class fur_depend): New. Statement source and process dependencies.
10067 (fur_depend::fur_depend): New.
10068 (fur_depend::register_dependency): New.
10069 (class fur_list): New. List source for operands.
10070 (fur_list::fur_list): New.
10071 (fur_list::get_operand): New.
10072 (fur_list::get_phi_operand): New.
10073 (fold_range): New. Instantiate appropriate fur_source class and fold.
10074 (fold_using_range::range_of_range_op): Use new API.
10075 (fold_using_range::range_of_address): Ditto.
10076 (fold_using_range::range_of_phi): Ditto.
10077 (imple_ranger::fold_range_internal): Use fur_depend class.
10078 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
10079 * gimple-range.h (class fur_source): Now a base class.
10080 (class fur_stmt): New.
10081 (fold_range): New prototypes.
10082 (fur_source::fur_source): Delete.
10084 2021-06-08 Andrew Pinski <apinski@marvell.com>
10086 PR tree-optimization/25290
10087 * tree-ssa-phiopt.c (xor_replacement): Delete.
10088 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
10089 (match_simplify_replacement): Allow one cheap preparation
10090 statement that can be moved to before the if.
10092 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
10094 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
10095 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
10097 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
10099 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
10100 Create length attribute on define_insn_and_split. Only split for cases which we
10102 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
10103 fix length computation.
10104 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
10106 2021-06-08 Richard Biener <rguenther@suse.de>
10108 PR tree-optimization/100923
10109 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
10110 the operand vector to be valueized.
10111 (valueize_refs): Likewise.
10112 (valueize_shared_reference_ops_from_ref): Adjust.
10113 (valueize_shared_reference_ops_from_call): Likewise.
10114 (vn_reference_lookup_3): Likewise.
10115 (vn_reference_lookup_pieces): Likewise. Re-valueize
10116 with honoring availability when we are about to create
10117 the ao_ref and valueized before.
10118 (vn_reference_lookup): Likewise.
10119 (vn_reference_insert_pieces): Adjust.
10121 2021-06-08 Richard Biener <rguenther@suse.de>
10123 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
10124 (_slp_instance::root_stmts): ... a vector.
10125 (SLP_INSTANCE_ROOT_STMT): Rename to ...
10126 (SLP_INSTANCE_ROOT_STMTS): ... this.
10127 (slp_root::root): Change to...
10128 (slp_root::roots): ... a vector.
10129 (slp_root::slp_root): Adjust.
10130 * tree-vect-slp.c (_slp_instance::location): Adjust.
10131 (vect_free_slp_instance): Release the root stmt vector.
10132 (vect_build_slp_instance): Adjust.
10133 (vect_analyze_slp): Likewise.
10134 (_bb_vec_info::~_bb_vec_info): Likewise.
10135 (vect_slp_analyze_operations): Likewise.
10136 (vect_bb_vectorization_profitable_p): Likewise. Adjust
10137 costs for the root stmt.
10138 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
10140 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
10142 (vectorize_slp_instance_root_stmt): Adjust.
10143 (vect_schedule_slp): Likewise.
10145 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
10147 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
10148 (ssa_equiv_stack::ssa_equiv_stack): New.
10149 (ssa_equiv_stack::~ssa_equiv_stack): New.
10150 (ssa_equiv_stack::enter): New.
10151 (ssa_equiv_stack::leave): New.
10152 (ssa_equiv_stack::push_replacement): New.
10153 (ssa_equiv_stack::get_replacement): New.
10154 (is_pointer_ssa): New.
10155 (class pointer_equiv_analyzer): New.
10156 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
10157 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
10158 (pointer_equiv_analyzer::set_global_equiv): New.
10159 (pointer_equiv_analyzer::set_cond_equiv): New.
10160 (pointer_equiv_analyzer::get_equiv): New.
10161 (pointer_equiv_analyzer::enter): New.
10162 (pointer_equiv_analyzer::leave): New.
10163 (pointer_equiv_analyzer::get_equiv_expr): New.
10164 (pta_valueize): New.
10165 (pointer_equiv_analyzer::visit_stmt): New.
10166 (pointer_equiv_analyzer::visit_edge): New.
10167 (hybrid_folder::value_of_expr): Call PTA.
10168 (hybrid_folder::value_on_edge): Same.
10169 (hybrid_folder::pre_fold_bb): New.
10170 (hybrid_folder::post_fold_bb): New.
10171 (hybrid_folder::pre_fold_stmt): New.
10172 (rvrp_folder::pre_fold_bb): New.
10173 (rvrp_folder::post_fold_bb): New.
10174 (rvrp_folder::pre_fold_stmt): New.
10175 (rvrp_folder::value_of_expr): Call PTA.
10176 (rvrp_folder::value_on_edge): Same.
10178 2021-06-08 Jakub Jelinek <jakub@redhat.com>
10181 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
10182 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
10184 2021-06-08 Richard Biener <rguenther@suse.de>
10186 PR middle-end/100951
10187 * tree-vect-generic.c (expand_vector_piecewise): Build a
10188 VECTOR_CST if all elements are constant.
10189 (expand_vector_condition): Likewise.
10190 (lower_vec_perm): Likewise.
10191 (expand_vector_conversion): Likewise.
10193 2021-06-08 Martin Liska <mliska@suse.cz>
10195 * doc/invoke.texi: Document new param evrp-sparse-threshold.
10197 2021-06-08 Martin Liska <mliska@suse.cz>
10199 * genautomata.c (create_automata): Fix typo.
10201 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
10203 PR tree-optimization/100794
10204 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
10205 allow_unroll_p and only allow unrolling when it's true.
10206 (tree_predictive_commoning): Add parameter allow_unroll_p and
10208 (run_tree_predictive_commoning): Likewise.
10209 (pass_predcom::gate): Check flag_tree_loop_vectorize and
10210 global_options_set.x_flag_predictive_commoning.
10211 (pass_predcom::execute): Adjust for allow_unroll_p.
10213 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
10215 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
10216 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
10217 lambda function cleanup, remove scev_reset call, and adjust return
10219 (tree_predictive_commoning): Adjust for different changed values,
10220 only set flag TODO_update_ssa_only_virtuals if changed.
10221 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
10222 from todo_flags_finish.
10224 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
10226 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
10227 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
10228 (sbr_sparse_bitmap::bitmap_set_quad): New.
10229 (sbr_sparse_bitmap::bitmap_get_quad): New.
10230 (sbr_sparse_bitmap::set_bb_range): New.
10231 (sbr_sparse_bitmap::get_bb_range): New.
10232 (sbr_sparse_bitmap::bb_range_p): New.
10233 (block_range_cache::block_range_cache): initialize bitmap obstack.
10234 (block_range_cache::~block_range_cache): Destruct obstack.
10235 (block_range_cache::set_bb_range): Decide when to utilze the
10236 sparse on entry cache.
10237 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
10238 * params.opt (-param=evrp-sparse-threshold): New.
10240 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
10242 * bitmap.c (bitmap_set_aligned_chunk): New.
10243 (bitmap_get_aligned_chunk): New.
10244 (test_aligned_chunk): New.
10245 (bitmap_c_tests): Call test_aligned_chunk.
10246 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
10248 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
10251 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
10253 (ix86_expand_vector_init_one_nonzero): Ditto.
10254 (ix86_expand_vector_init_one_var): Ditto.
10255 (ix86_expand_vector_init_general): Ditto.
10256 * config/i386/mmx.md (vec_initv4qiqi): New expander.
10258 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
10260 * config/h8300/movepush.md: Change most _clobber_flags
10261 patterns to instead use <cczn> subst.
10262 (movsi_cczn): New pattern with usable CC cases split out.
10263 (movsi_h8sx_cczn): Likewise.
10265 2021-06-07 Martin Liska <mliska@suse.cz>
10267 * common/common-target.def: Split long lines and replace them
10269 * target.def: Likewise.
10270 * doc/tm.texi: Re-generated.
10272 2021-06-07 Jakub Jelinek <jakub@redhat.com>
10275 * fold-const.c (fold_read_from_vector): Return NULL if trying to
10276 read from a CONSTRUCTOR with vector type elements.
10278 2021-06-07 Jakub Jelinek <jakub@redhat.com>
10280 PR middle-end/100898
10281 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
10282 should copy any arguments. Don't call gimple_call_num_args
10283 on id->call_stmt or call_stmt more than once.
10285 2021-06-07 liuhongt <hongtao.liu@intel.com>
10288 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
10290 (<insn>v4siv4di2): Delete constraints for define_expand.
10292 2021-06-07 liuhongt <hongtao.liu@intel.com>
10295 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
10296 assignment of cfun->machine->has_explicit_vzeroupper.
10297 * config/i386/i386-features.c
10298 (ix86_add_reg_usage_to_vzerouppers): Delete.
10299 (ix86_add_reg_usage_to_vzeroupper): Ditto.
10300 (rest_of_handle_insert_vzeroupper): Remove
10301 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
10303 (gate): Remove cfun->machine->has_explicit_vzeroupper.
10304 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
10306 * config/i386/i386.c (ix86_insn_callee_abi): New function.
10307 (ix86_initialize_callee_abi): Ditto.
10308 (ix86_expand_avx_vzeroupper): Ditto.
10309 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
10311 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
10312 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
10314 * config/i386/i386.h (struct GTY(()) machine_function): Delete
10315 has_explicit_vzeroupper.
10316 * config/i386/i386.md (enum unspec): New member
10318 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
10319 define_constants for insn callee abi index.
10320 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
10321 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
10322 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
10323 (*avx_vzeroupper): Rename to ..
10324 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
10325 call_insn which has a special vzeroupper ABI.
10326 (*avx_vzeroupper_1): Deleted.
10328 2021-06-07 liuhongt <hongtao.liu@intel.com>
10331 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
10332 it won't use stack pointer reg.
10333 * final.c (leaf_function_p): When call_insn is a fake call, it
10334 won't affect caller as a leaf function.
10335 * reg-stack.c (callee_clobbers_any_stack_reg): New.
10336 (subst_stack_regs): When call_insn doesn't clobber any stack
10337 reg, don't clear the arguments.
10338 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
10340 * shrink-wrap.c (requires_stack_frame_p): No need for stack
10341 frame for a fake call.
10342 * rtl.h (FAKE_CALL_P): New macro.
10344 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
10346 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
10348 (sparc_order_regs_for_local_alloc): ...this.
10349 (sparc_leaf_reg_remap): Declare.
10350 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
10351 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
10352 * config/sparc/sparc.c (leaf_reg_remap): Delete.
10353 (order_regs_for_local_alloc): Rename to...
10354 (sparc_order_regs_for_local_alloc): ...this.
10355 (sparc_leaf_reg_remap): New function.
10356 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
10358 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
10360 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
10361 Use assemble_name to output BSS section name.
10363 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
10365 * config/i386/constraints.md (Bs):
10366 Remove boolean operators from match_test RTX.
10369 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
10372 2021-06-06 Martin Liska <mliska@suse.cz>
10374 * doc/extend.texi: Add missing @headitem.
10375 * doc/invoke.texi: Likewise.
10376 * doc/objc.texi: Likewise.
10378 2021-06-06 Martin Liska <mliska@suse.cz>
10380 * genhooks.c (emit_findices): Remove unused function.
10381 (emit_documentation): Do not call emit_findices
10382 and do not search for @Fcode directives.
10384 2021-06-06 Martin Liska <mliska@suse.cz>
10386 * doc/invoke.texi: Remove extra character.
10388 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
10390 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
10392 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
10394 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
10395 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
10396 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
10397 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
10399 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
10401 * config/or1k/or1k.md (*movdi): Fix empty split condition.
10403 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
10405 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
10408 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
10410 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
10411 *zero_extendsidi2): Fix empty split condition.
10413 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
10415 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
10417 * config/h8300/bitfield.md: Likewise.
10418 * config/h8300/combiner.md: Likewise.
10419 * config/h8300/divmod.md: Likewise.
10420 * config/h8300/extensions.md: Likewise.
10421 * config/h8300/jumpcall.md: Likewise.
10422 * config/h8300/movepush.md: Likewise.
10423 * config/h8300/multiply.md: Likewise.
10424 * config/h8300/other.md: Likewise.
10425 * config/h8300/shiftrotate.md: Likewise.
10426 * config/h8300/logical.md: Likewise. Fix split pattern to use
10427 code iterator that somehow slipped through.
10429 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
10431 PR middle-end/100905
10432 * tree-nested.c (convert_nonlocal_omp_clauses,
10433 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
10435 2021-06-04 Martin Sebor <msebor@redhat.com>
10437 PR middle-end/100732
10438 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
10439 with either source or destination argument of invalid type.
10440 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
10441 calls with arguments of invalid type.
10443 2021-06-04 Martin Sebor <msebor@redhat.com>
10445 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
10447 (attr_access::vla_bounds): Also handle VLA bounds.
10449 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
10451 * config/i386/predicates.md (GOT_memory_operand):
10452 Implement using match_code RTXes.
10453 (GOT32_symbol_operand): Ditto.
10455 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
10458 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
10460 (ix86_expand_vector_init_general): Ditto.
10461 Use SImode instead of word_mode for logic operations
10462 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
10463 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
10464 implemented by expand_vec_perm_1.
10465 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
10466 should be implemented using standard shuffle patterns.
10467 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
10468 V2HI modes to modes, implementable with shuffle for one operand.
10469 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
10470 (*pshufw_1): New insn pattern.
10471 (*vec_dupv2hi): Ditto.
10472 (vec_initv2hihi): New expander.
10474 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
10476 * config/arm/vfp.md (no_literal_pool_df_immediate,
10477 no_literal_pool_sf_immediate): Fix empty split condition.
10479 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
10481 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
10482 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
10483 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
10484 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
10485 *<sse4_1_avx2>_pblendvb_lt): Likewise.
10487 2021-06-04 Jakub Jelinek <jakub@redhat.com>
10490 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
10491 concatenation from half-sized modes with TImode elements.
10493 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
10495 * config/arc/arc.c (arc_override_options): Disable millicode
10496 thunks when RF16 is on.
10498 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
10500 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
10502 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
10504 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
10505 Replace PROMOTE_MODE marco with its content.
10507 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
10509 * config/cris/cris.md (*addi_reload): Fix empty split condition.
10511 2021-06-03 Jim Wilson <jimw@sifive.com>
10513 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
10514 turn it on for all riscv targets.
10516 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
10519 * config/i386/i386-expand.c (ix86_expand_vector_set):
10520 Handle V2HI and V4QI modes.
10521 (ix86_expand_vector_extract): Ditto.
10522 * config/i386/mmx.md (*pinsrw): New insn pattern.
10525 (*pextrw_zext): Ditto.
10527 (*pextrb_zext): Ditto.
10528 (vec_setv2hi): New expander.
10529 (vec_extractv2hihi): Ditto.
10530 (vec_setv4qi): Ditto.
10531 (vec_extractv4qiqi): Ditto.
10532 (vec_setv8qi): Enable only for TARGET_SSE4_1.
10533 (vec_extractv8qiqi): Ditto.
10535 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
10537 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
10538 order to subf instruction.
10539 * config/rs6000/fusion.md: Regenerate.
10541 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
10543 * calls.c (get_size_range): Use range_of_expr instead of
10544 determine_value_range.
10545 * tree-affine.c (expr_to_aff_combination): Same.
10546 * tree-data-ref.c (split_constant_offset): Same.
10547 * tree-vrp.c (determine_value_range_1): Remove.
10548 (determine_value_range): Remove.
10549 * tree-vrp.h (determine_value_range): Remove.
10551 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
10553 * function-tests.c (test_ranges): Call gimple_range_tests.
10554 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
10556 * gimple-range.cc (fur_source::get_operand): Do not call
10557 get_tree_range or gimple_range_global.
10559 (get_tree_range): Move to value-query.cc.
10560 Call get_arith_expr_range.
10561 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
10562 Include gimple-range-tests.cc.
10563 * gimple-range.h (fold_range): Add argument.
10564 (get_tree_range): Remove.
10565 * selftest.h (gimple_range_tests): New.
10566 * value-query.cc (global_range_query::range_of_expr): Add
10568 (range_query::get_tree_range): Move from gimple-range.cc.
10569 * value-query.h (class range_query): Add get_tree_range and
10570 get_arith_expr_range. Make fur_source a friend.
10571 * vr-values.c (vr_values::range_of_expr): Pass stmt to
10573 * gimple-range-tests.cc: New file.
10575 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
10577 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
10578 update_global_range.
10579 * value-query.cc (update_global_range): New.
10580 * value-query.h (update_global_range): New.
10582 2021-06-03 David Malcolm <dmalcolm@redhat.com>
10584 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
10585 printing the same location twice if there are fix-it hints,
10586 multiple locations, or a label.
10588 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
10590 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
10591 thresholds to narrow the upper bound on epilogue iterations.
10593 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
10595 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
10596 (mve_vabsq_s<mode>): Likewise.
10597 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
10598 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
10599 * config/arm/vec-common.md (neg<mode>2): Rename to
10600 <absneg_str><mode>2.
10602 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
10604 * common/config/arc/arc-common.c (arc_option_optimization_table):
10605 Remove malign-call.
10606 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
10607 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
10608 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
10609 * config/arc/arc.md (abssi2_mixed): Remove pattern.
10610 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
10611 (malign-call): Likewise.
10612 (mmixed-code): Likewise.
10613 * doc/invoke.texi (ARC): Update doc.
10615 2021-06-03 Martin Liska <mliska@suse.cz>
10617 * common.opt: Use proper Enum values.
10618 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
10619 (parse_sanitizer_options): Handle only sanitizer_opts.
10620 (common_handle_option): Just assign value.
10622 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
10625 * tree-inline.c (inline_forbidden_p): Remove test on return type.
10627 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
10629 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
10630 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
10631 (type_byte_size): Inline into...
10632 (add_byte_size_attribute): ...this and call add_scalar_info.
10634 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
10636 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
10637 (typed_binop_from_tree): New function.
10638 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
10639 turn a divide by a power of 2 into a shift.
10640 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
10641 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
10642 typed divide by calling typed_binop_from_tree.
10644 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
10646 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
10647 (is_handled_procedure_type): Likewise.
10648 (struct loc_descr_context): Add strict_signedness field.
10649 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
10650 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
10651 (resolve_args_picking): Minor tweak.
10652 (function_to_dwarf_procedure): Initialize strict_signedness field.
10653 (type_byte_size): Likewise.
10654 (field_byte_offset): Likewise.
10655 (gen_descr_array_type_die): Likewise.
10656 (gen_variant_part): Likewise.
10657 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
10658 to true when a context is present before evaluating the arguments.
10659 <COND_EXPR>: Do not generate a useless comparison with zero.
10660 When dereferencing an address, if strict_signedness is true and the
10661 type is small and signed, use DW_OP_deref_type to do the dereference
10662 and then DW_OP_convert to convert back to the generic type.
10664 2021-06-03 Jakub Jelinek <jakub@redhat.com>
10667 * tree-inline.c (copy_tree_body_r): Handle iterators on
10668 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
10670 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
10672 * config/arc/arc.md (*bbit_di): Remove.
10674 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
10676 PR rtl-optimization/100264
10677 * ree.c (get_sub_rtx): Ignore SET expressions without register
10678 destinations and remove assertion, as it is not valid anymore
10679 with this new behaviour.
10680 (merge_def_and_ext): Eliminate destination check for register
10681 as such SET expressions can't occur anymore.
10682 (combine_reaching_defs): Likewise.
10684 2021-06-02 Jakub Jelinek <jakub@redhat.com>
10687 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
10688 -Wtype-limits warnings.
10689 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
10690 in operands to avoid -Wsign-compare warnings.
10692 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
10694 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
10697 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
10699 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
10701 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
10703 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
10705 * config/s390/subst.md(cconly_subst): Use a single constraint
10706 in (match_scratch).
10708 2021-06-02 Martin Liska <mliska@suse.cz>
10710 * ipa-icf.h: Use auto_vec for memory_access_types.
10712 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
10714 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
10715 argument from prototype.
10716 (output_logical_op): Add rtx_code argument.
10717 (compute_logical_op_length): Likewise.
10718 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
10719 to compute_a_shift_length.
10720 (output_logical_op); New argument with the rtx code rather than
10721 extracting it from an operand. Handle QImode too.
10722 (compute_logical_op_length): Similary.
10723 (compute_a_shift_length): Drop unused argument.
10724 * config/h8300/h8300.md (logicals): New code iterator.
10725 * config/h8300/logical.md (<code><mode>3 expander): Combine
10726 the "and" expander with the "ior"/"xor" expander.
10727 (bclr<mode>msx): Combine the QI/HI mode patterns.
10728 (<logical><mode>3 insns): Use code iterator rather than match_operator.
10729 Handle QImode as well. Update call to output_logical_op and
10730 compute_logical_op_length to pass in rtx_code
10731 Fix split condition on all define_insn_and_split patterns.
10732 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
10733 the flags and setting ZN via existing define_subst.
10734 * config/h8300/shiftrotate.md: Drop unused argument from
10735 calls to compute_a_shift_length.
10736 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
10738 2021-06-01 Andrew Pinski <apinski@marvell.com>
10740 PR tree-optimization/25290
10741 * tree-ssa-phiopt.c (match_simplify_replacement):
10743 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
10744 (two_value_replacement): Change the comment about
10745 conditional_replacement.
10746 (conditional_replacement): Delete.
10748 2021-06-01 Andrew Pinski <apinski@marvell.com>
10750 PR tree-optimization/95481
10751 * tree-tailcall.c (find_tail_calls): Handle empty typed
10754 2021-06-01 Andrew Pinski <apinski@marvell.com>
10756 * gimplify.c (zero_sized_field_decl): Delete
10757 (zero_sized_type): Delete
10758 (gimplify_init_ctor_eval): Use is_empty_type instead
10759 of zero_sized_field_decl.
10760 (gimplify_modify_expr): Use is_empty_type instead of
10763 2021-06-01 Jason Merrill <jason@redhat.com>
10766 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
10768 2021-06-01 Jason Merrill <jason@redhat.com>
10771 * diagnostic.h (warning_enabled_at): Declare.
10772 * diagnostic.c (diagnostic_enabled): Factor out from...
10773 (diagnostic_report_diagnostic): ...here.
10774 (warning_enabled_at): New.
10776 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
10778 * gimple-ssa-evrp.c: Enable exporting of global ranges.
10780 2021-06-01 Martin Liska <mliska@suse.cz>
10783 * doc/invoke.texi: Mention that -fgcse-after-reload
10784 is enabled with -O3.
10786 2021-06-01 liuhongt <hongtao.liu@intel.com>
10788 PR tree-optimization/98365
10789 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
10790 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
10791 (convert_scalar_cond_reduction): Ditto.
10792 (predicate_scalar_phi): Ditto.
10794 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
10796 PR tree-optimization/100781
10797 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
10798 value calculation by default.
10799 (ranger_cache::enable_new_values): New.
10800 (ranger_cache::disable_new_values): New.
10801 (ranger_cache::push_poor_value): Check if new values are allowed.
10802 * gimple-range-cache.h (class ranger_cache): New member/methods.
10803 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
10804 statement, and disable/renable new value calculation.
10806 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
10808 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
10809 (ranger_cache::range_of_def): New.
10810 (ranger_cache::entry_range): New.
10811 (ranger_cache::exit_range): New.
10812 (ranger_cache::range_of_expr): Adjust.
10813 (ranger_cache::range_on_edge): Adjust.
10814 (ranger_cache::propagate_cache): Call exit_range directly.
10815 * gimple-range-cache.h (class ranger_cache): Adjust.
10817 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
10819 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
10820 gori_compute being a member rather than base class.
10821 dervied call to member call.
10822 (ranger_cache::dump): No longer dump gori_map.
10823 (ranger_cache::dump_bb): New.
10824 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
10825 being a member rather than base class.
10826 (ranger_cache::set_global_range): Ditto.
10827 (ranger_cache::ssa_range_in_bb): Ditto.
10828 (ranger_cache::range_of_expr): New.
10829 (ranger_cache::range_on_edge): New.
10830 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
10831 (ranger_cache::propagate_cache): Adjust debugging output.
10832 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
10834 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
10835 member, and inherit from range_query instead.
10836 (ranger_cache::dump_bb): New. split from dump.
10837 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
10838 (gori_compute::expr_range_at_stmt): Delete.
10839 (gori_compute::compute_name_range_op): Delete.
10840 (gori_compute::compute_operand_range_switch): Add fur_source.
10841 (gori_compute::compute_operand_range): Add fur_source param, inline
10842 old compute_name_range_op and optimize_logical_operands.
10843 (struct tf_range): Delete.
10844 (gori_compute::logical_combine): Adjust
10845 (gori_compute::optimize_logical_operands): Delete.
10846 (gori_compute::compute_logical_operands_in_chain): Delete.
10847 (gori_compute::compute_logical_operands): Adjust.
10848 (gori_compute::compute_operand1_range): Adjust to fur_source.
10849 (gori_compute::compute_operand2_range): Ditto.
10850 (gori_compute::compute_operand1_and_operand2_range): Ditto.
10851 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
10852 and adjust to fur_source.
10853 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
10854 range_query and fur_source.
10855 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
10856 from the ranger_cache..
10857 (gimple_ranger::fold_range_internal): Adjust to base class change of
10859 (gimple_ranger::dump_bb): Adjust dump.
10860 * gimple-range.h (gimple_ranger):export gori computes object.
10862 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
10864 PR tree-optimization/100774
10865 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
10866 Constant values are also not stale.
10867 (ranger_cache::set_global_range): Range invariant values should also
10868 have the correct timestamp.
10870 2021-05-31 Martin Liska <mliska@suse.cz>
10872 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
10873 Unpack FUNCTION_DECL_DECL_TYPE.
10874 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
10875 Stream FUNCTION_DECL_DECL_TYPE instead of
10876 DECL_IS_OPERATOR_NEW_P.
10877 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
10879 (DECL_IS_OPERATOR_NEW_P): Likewise.
10880 (DECL_IS_OPERATOR_DELETE_P): Likewise.
10881 (DECL_LAMBDA_FUNCTION_P): Likewise.
10883 2021-05-31 Richard Biener <rguenther@suse.de>
10886 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
10887 * internal-fn.def (SHUFFLEVECTOR): New.
10888 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
10889 * doc/extend.texi: Document __builtin_shufflevector.
10891 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
10894 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
10895 indexed form addresses.
10897 2021-05-29 Jeff Law <jlaw@tachyum.com>
10899 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
10900 parameter. Call callers fixed.
10902 (output_plussi): Add FALLTHRU markers.
10903 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
10905 2021-05-29 Jakub Jelinek <jakub@redhat.com>
10907 PR middle-end/99928
10908 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
10909 combined with parallel, make sure to add shared clause to
10910 parallel for explicit linear clause.
10912 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
10914 PR tree-optimization/100787
10915 * gimple-ssa-evrp.c: Disable exporting of global ranges.
10917 2021-05-28 Jason Merrill <jason@redhat.com>
10919 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
10920 operator--, operator*, operator==, and operator!=.
10921 (class tsi_range): New.
10923 2021-05-28 Richard Biener <rguenther@suse.de>
10925 PR tree-optimization/100778
10926 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
10927 trapping ops in different BBs.
10929 2021-05-28 Richard Biener <rguenther@suse.de>
10932 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
10933 copy fntype from original call.
10935 2021-05-28 Martin Liska <mliska@suse.cz>
10937 PR gcov-profile/100751
10938 * doc/gcov.texi: Revert partially a hunk that was wrong.
10940 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
10942 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
10944 (HAVE_sync_compare_and_swaphi): Likewise.
10945 (HAVE_sync_compare_and_swapsi): Likewise.
10947 2021-05-28 Jakub Jelinek <jakub@redhat.com>
10949 PR middle-end/99928
10950 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
10952 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
10954 * gimplify.c (gimplify_omp_affinity): New.
10955 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
10956 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
10957 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
10958 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
10959 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
10961 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
10962 Richard Biener <rguenther@suse.de>
10964 * match.pd <popcount & / + pattern matching>:
10965 When generating popcount directly fails, try doing it in two halves.
10967 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
10969 * Makefile.in (generated_files): Add gimple-match.c and
10972 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
10974 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
10976 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
10978 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
10980 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
10982 PR tree-optimization/99398
10983 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
10984 where the fed operands are CTOR/CST and propagated through
10985 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
10986 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
10988 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
10991 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
10993 * config/i386/mmx.md (addv2sf3): Do not call
10994 ix86_fixup_binary_operands_no_copy.
10997 (<smaxmin:code>v2sf3): Ditto.
10998 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
10999 (<plusminus:insn><VI_32:mode>3): Remove expander.
11000 (<plusminus:insn><VI_32:mode>3): Rename from
11001 "*<plusminus:insn><VI_32:mode>3".
11002 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
11003 (mulv2hi3): Remove expander.
11004 (mulv2hi3): Rename from *mulv2hi3.
11005 (<s>mulv2hi3_highpart): Remove expander.
11006 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
11007 (<smaxmin:code><MMXMODE14:mode>3): Rename from
11008 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
11009 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
11010 (SMAXMIN_MMXMODEI): Remove mode iterator.
11011 (<smaxmin:code>v4hi3): New expander.
11012 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
11013 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
11014 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
11015 (SMAXMIN_VI_32): Remove mode iterator.
11016 (<umaxmin:code><MMXMODE24:mode>3): Rename from
11017 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
11018 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
11019 (UMAXMIN_MMXMODEI): Remove mode iterator.
11020 (<umaxmin:code>v8qi3): New expander.
11021 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
11022 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
11023 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
11024 (UMAXMIN_VI_32): Remove mode iterator.
11025 (<any_shift:insn>v2hi3): Remove expander.
11026 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
11027 (<any_logic:code><MMXMODEI:mode>3): Do not call
11028 ix86_fixup_binary_operands_no_copy.
11029 (<any_logic:code><VI_32:mode>3): Remove expander.
11030 (<any_logic:code><VI_32:mode>3): Rename from
11031 "*<any_logic:code><VI_32:mode>3".
11032 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
11033 * config/i386/sse.md (div<VF2:mode>3): Do not call
11034 ix86_fixup_binary_operands_no_copy.
11035 (div<VF1:mode>3): Ditto.
11036 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
11037 (smulhrsv4hi3): Ditto.
11038 (smulhrsv2hi3): Ditto.
11040 2021-05-27 Martin Sebor <msebor@redhat.com>
11042 * ggc.h (gt_ggc_mx): Add overloads for all integers.
11044 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
11046 (hash_map::operator==): New function.
11048 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
11051 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
11052 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
11053 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
11054 (*xop_maskcmp<VI_32:mode>3): Ditto.
11055 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
11056 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
11058 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
11061 * config/arm/arm.c (arm_configure_build_target): Remove parameter
11062 opts_set, directly check opts parameters for being non-null.
11063 (arm_option_restore): Update call to arm_configure_build_target.
11064 (arm_option_override): Likewise.
11065 (arm_can_inline_p): Likewise.
11066 (arm_valid_target_attribute_tree): Likewise.
11067 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
11068 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
11071 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
11073 * vr-values.c (simplify_conversion_using_ranges): Use
11074 get_range_query instead of get_global_range_query.
11076 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
11078 * gimple-range.cc (get_range_global): Move to value-query.cc.
11079 (gimple_range_global): Same.
11080 (get_global_range_query): Same.
11081 (global_range_query::range_of_expr): Same.
11082 * gimple-range.h (class global_range_query): Move to
11084 (gimple_range_global): Same.
11085 * tree-ssanames.c (get_range_info): Move to value-query.cc.
11086 (get_ptr_nonnull): Same.
11087 * tree-ssanames.h (get_range_info): Remove.
11088 (get_ptr_nonnull): Remove.
11089 * value-query.cc (get_ssa_name_range_info): Move from
11091 (get_ssa_name_ptr_info_nonnull): Same.
11092 (get_range_global): Move from gimple-range.cc.
11093 (gimple_range_global): Same.
11094 (get_global_range_query): Same.
11095 (global_range_query::range_of_expr): Same.
11096 * value-query.h (class global_range_query): Move from
11098 (gimple_range_global): Same.
11100 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
11103 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
11104 (uavgv2hi3_ceil): Ditto.
11106 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
11109 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
11111 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
11113 * tree-ssanames.c (get_range_info): Merge both copies of
11114 get_range_info into one that works with irange.
11115 * tree-ssanames.h (get_range_info): Remove version that works on
11118 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
11120 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
11121 (expand_builtin_strnlen): Same.
11122 (determine_block_size): Same.
11123 * fold-const.c (expr_not_equal_to): Same.
11124 * gimple-fold.c (size_must_be_zero_p): Same.
11125 * gimple-match-head.c: Include gimple-range.h.
11126 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
11127 * gimple-ssa-warn-restrict.c
11128 (builtin_memref::extend_offset_range): Same.
11129 * graphite-sese-to-poly.c (add_param_constraints): Same.
11130 * internal-fn.c (get_min_precision): Same.
11131 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
11132 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
11134 * tree-data-ref.c (split_constant_offset): Same.
11135 (dr_step_indicator): Same.
11136 * tree-dfa.c (get_ref_base_and_extent): Same.
11137 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
11138 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
11139 (determine_value_range): Same.
11140 (record_nonwrapping_iv): Same.
11141 (infer_loop_bounds_from_signedness): Same.
11142 (scev_var_range_cant_overflow): Same.
11143 * tree-ssa-phiopt.c (two_value_replacement): Same.
11144 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
11145 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
11146 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
11148 (dump_strlen_info): Same.
11149 (set_strlen_range): Same.
11150 (maybe_diag_stxncpy_trunc): Same.
11151 (get_len_or_size): Same.
11152 (handle_integral_assign): Same.
11153 * tree-ssa-structalias.c (find_what_p_points_to): Same.
11154 * tree-ssa-uninit.c (find_var_cmp_const): Same.
11155 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
11156 * tree-vect-patterns.c (vect_get_range_info): Same.
11157 (vect_recog_divmod_pattern): Same.
11158 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
11159 (register_edge_assert_for_2): Same.
11160 (determine_value_range_1): Same.
11161 * tree.c (get_range_pos_neg): Same.
11162 * vr-values.c (vr_values::get_lattice_entry): Same.
11163 (vr_values::update_value_range): Same.
11164 (simplify_conversion_using_ranges): Same.
11166 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
11168 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
11169 get_range_query instead of query argument.
11170 (pass_walloca::execute): Enable and disable global ranger.
11172 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
11174 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
11176 (rvrp_folder::~rvrp_folder): Call disable_ranger.
11177 (hybrid_folder::hybrid_folder): Call enable_ranger.
11178 (hybrid_folder::~hybrid_folder): Call disable_ranger.
11180 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
11182 * function.c (allocate_struct_function): Set cfun->x_range_query.
11183 * function.h (struct function): Declare x_range_query.
11184 (get_range_query): New.
11185 (get_global_range_query): New.
11186 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
11187 Remove call to safe_grow_cleared.
11188 * gimple-range.cc (get_range_global): New.
11189 (gimple_range_global): Move from gimple-range.h.
11190 (get_global_range_query): New.
11191 (global_range_query::range_of_expr): New.
11192 (enable_ranger): New.
11193 (disable_ranger): New.
11194 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
11195 (class global_range_query): New.
11196 (enable_ranger): New.
11197 (disable_ranger): New.
11198 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
11199 dump_all_value_ranges to dump.
11200 * tree-vrp.c (vrp_prop::finalize): Same.
11201 * value-query.cc (range_query::dump): New.
11202 * value-query.h (range_query::dump): New.
11203 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
11204 (vr_values::dump): ...this.
11205 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
11206 dump and make virtual.
11208 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
11210 * config/i386/i386.c (ix86_autovectorize_vector_modes):
11211 Add V4QImode and V16QImode for TARGET_SSE2.
11212 * doc/sourcebuild.texi (Vector-specific attributes):
11213 Add vect64 and vect32 description.
11215 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
11217 * gimple-range-gori.cc (range_def_chain::register_dependency):
11218 Resize m_def_chain when needed.
11220 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
11222 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
11223 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
11224 * config/arm/vec-common.md: .. here. Add support for MVE.
11226 2021-05-26 Jakub Jelinek <jakub@redhat.com>
11228 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
11230 * config/microblaze/microblaze.c (microblaze_legitimize_address,
11232 microblaze_option_override, print_operand): Likewise.
11233 * config/microblaze/microblaze.md (call_internal_plt,
11234 call_value_intern_plt, call_value_intern): Likewise.
11235 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
11236 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
11237 call_value_multiple_internal1): Likewise.
11238 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
11240 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11242 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
11243 arc_ccfsm_advance, symbolic_reference_mentioned_p,
11244 arc_raw_symbolic_reference_mentioned_p): Remove register
11247 2021-05-26 Jakub Jelinek <jakub@redhat.com>
11250 * omp-low.c: Include omp-offload.h.
11251 (create_omp_child_function): If current_function_decl has
11252 "omp declare target" attribute and is_gimple_omp_offloaded,
11253 remove that attribute from the copy of attribute list and
11254 add "omp target entrypoint" attribute instead.
11255 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
11256 variables for offloading if in omp_maybe_offloaded_ctx.
11257 * omp-offload.c (pass_omp_target_link::execute): Nullify second
11258 argument to GOMP_target_data_ext in offloaded code.
11260 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
11262 * config/csky/csky.c (csky_can_change_mode_class): Delete.
11263 For csky, HF/SF mode use the low bits of VREGS.
11265 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
11267 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
11268 DECL which is a reference for OMP.
11270 2021-05-26 Martin Liska <mliska@suse.cz>
11272 PR gcov-profile/100751
11273 * doc/gcov.texi: Document that __gcov_dump can be called just
11274 once and that __gcov_reset resets run-time counters.
11276 2021-05-26 Martin Liska <mliska@suse.cz>
11278 * doc/install.texi: Port relevant part from install-old.texi
11279 and re-generate list of CPUs and systems.
11281 2021-05-26 Martin Liska <mliska@suse.cz>
11283 * Makefile.in: Remove it.
11284 * doc/include/fdl.texi: Update next/previous chapters.
11285 * doc/install.texi: Likewise.
11286 * doc/install-old.texi: Removed.
11288 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
11290 * config/csky/csky.c (ck810_legitimate_index_p): Support
11291 "base + index" with DF mode.
11292 * config/csky/constraints.md ("Y"): New constraint for memory operands
11293 without index register.
11294 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
11295 when mov between memory and general registers, and lower their priority.
11296 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
11298 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
11300 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
11302 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
11304 * config/csky/csky.md (untyped_call): Emit clobber for return
11305 registers to mark them used.
11307 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
11309 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
11311 2021-05-26 Andrew Pinski <apinski@marvell.com>
11313 * match.pd (x < 0 ? ~y : y): New patterns.
11315 2021-05-26 Andrew Pinski <apinski@marvell.com>
11317 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
11318 A?POW2:0 and A?0:POW2.
11320 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
11322 * gimple-range-gori.cc (class logical_stmt_cache): Delete
11323 (logical_stmt_cache::logical_stmt_cache ): Delete.
11324 (logical_stmt_cache::~logical_stmt_cache): Delete.
11325 (logical_stmt_cache::cache_entry::dump): Delete.
11326 (logical_stmt_cache::get_range): Delete.
11327 (logical_stmt_cache::cached_name ): Delete.
11328 (logical_stmt_cache::same_cached_name): Delete.
11329 (logical_stmt_cache::cacheable_p): Delete.
11330 (logical_stmt_cache::slot_diagnostics ): Delete.
11331 (logical_stmt_cache::dump): Delete.
11332 (gori_compute_cache::gori_compute_cache): Delete.
11333 (gori_compute_cache::~gori_compute_cache): Delete.
11334 (gori_compute_cache::compute_operand_range): Delete.
11335 (gori_compute_cache::cache_stmt): Delete.
11336 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
11338 (class gori_compute_cache): Delete.
11340 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
11342 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
11344 (fold_using_range::range_of_address): Adjust.
11345 (fold_using_range::range_of_phi): Adjust.
11346 * gimple-range.h (class fur_source): Adjust.
11347 (fur_source::fur_source): Adjust.
11349 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
11351 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
11352 from expr_range_in_bb and adjust.
11353 (gori_compute::compute_name_range_op): Adjust.
11354 (gori_compute::optimize_logical_operands): Adjust.
11355 (gori_compute::compute_logical_operands_in_chain): Adjust.
11356 (gori_compute::compute_operand1_range): Adjust.
11357 (gori_compute::compute_operand2_range): Adjust.
11358 (ori_compute_cache::cache_stmt): Adjust.
11359 * gimple-range-gori.h (gori_compute): Rename prototype.
11361 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
11363 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
11364 checked only after range_of_stmt, not range_on_entry.
11365 (gimple_ranger::range_on_entry): Check for non-null in any
11366 predecessor block, if it is not already non-null.
11367 (gimple_ranger::range_on_exit): DOnt check for non-null after
11368 range on entry call.
11369 (gimple_ranger::dump_bb): New. Split from dump.
11370 (gimple_ranger::dump): Adjust.
11371 * gimple-range.h (class gimple_ranger): Adjust.
11373 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
11375 * gimple-range-cache.cc (struct range_timestamp): Delete.
11376 (class temporal_cache): Adjust.
11377 (temporal_cache::get_timestamp): Delete.
11378 (temporal_cache::set_dependency): Delete.
11379 (temporal_cache::temporal_value): Adjust.
11380 (temporal_cache::current_p): Take dependencies as params.
11381 (temporal_cache::set_timestamp): Adjust.
11382 (temporal_cache::set_always_current): Adjust.
11383 (ranger_cache::get_non_stale_global_range): Adjust.
11384 (ranger_cache::register_dependency): Delete.
11385 * gimple-range-cache.h (class range_cache): Adjust.
11387 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
11389 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
11391 (range_def_chain::~range_def_chain): Dispose of obstack rather than
11392 each individual bitmap.
11393 (range_def_chain::set_import): New.
11394 (range_def_chain::get_imports): New.
11395 (range_def_chain::chain_import_p): New.
11396 (range_def_chain::register_dependency): Rename from build_def_chain
11398 (range_def_chain::def_chain_in_bitmap_p): New.
11399 (range_def_chain::add_def_chain_to_bitmap): New.
11400 (range_def_chain::has_def_chain): Just check first depenedence.
11401 (range_def_chain::get_def_chain): Process imports, use generic
11402 register_dependency routine.
11403 (range_def_chain::dump): New.
11404 (gori_map::gori_map): Allocate import list.
11405 (gori_map::~gori_map): Release imports.
11406 (gori_map::exports): Check for past allocated block size.
11407 (gori_map::imports): New.
11408 (gori_map::def_chain_in_export_p): Delete.
11409 (gori_map::is_import_p): New.
11410 (gori_map::maybe_add_gori): Handle imports.
11411 (gori_map::dump): Adjust output, add imports.
11412 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
11413 (gori_export_iterator::gori_export_iterator): New.
11414 (gori_export_iterator::next): New.
11415 (gori_export_iterator::get_name): New.
11416 * gimple-range-gori.h (range_def_chain): Add imports and direct
11417 dependecies via struct rdc.
11418 (range_def_chain::depend1): New.
11419 (range_def_chain::depend2): New.
11420 (class gori_map): Adjust.
11421 (FOR_EACH_GORI_IMPORT_NAME): New.
11422 (FOR_EACH_GORI_EXPORT_NAME): New.
11423 (class gori_export_iterator): New.
11425 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
11427 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
11428 export cache filling to here.
11429 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
11431 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
11433 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
11434 (gori_map): Move to gimple-range-gori.h.
11435 (gori_compute::gori_compute): Adjust.
11436 (gori_compute::~gori_compute): Delete.
11437 (gori_compute::compute_operand_range_switch): Adjust.
11438 (gori_compute::compute_operand_range): Adjust.
11439 (gori_compute::compute_logical_operands): Adjust.
11440 (gori_compute::has_edge_range_p ): Adjust.
11441 (gori_compute::set_range_invariant): Delete.
11442 (gori_compute::dump): Adjust.
11443 (gori_compute::outgoing_edge_range_p): Adjust.
11444 * gimple-range-gori.h (class range_def_chain): Relocate here.
11445 (class gori_map): Relocate here.
11446 (class gori_compute): Inherit from gori_map, and adjust.
11448 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
11450 * value-range.cc (range_tests_legacy): Use
11451 build_nonstandard_integer_type instead of int and short.
11453 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
11455 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
11456 when really creating an initialization statement for it.
11458 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
11460 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
11462 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
11464 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
11466 2021-05-25 Martin Liska <mliska@suse.cz>
11468 PR tree-optimization/92860
11470 * optc-save-gen.awk: Remove exceptions.
11472 2021-05-25 Martin Liska <mliska@suse.cz>
11474 * asan.h (sanitize_coverage_p): New function.
11475 * doc/extend.texi: Document it.
11476 * fold-const.c (fold_range_test): Use sanitize_flags_p
11477 instead of flag_sanitize_coverage.
11478 (fold_truth_andor): Likewise.
11479 * sancov.c: Likewise.
11480 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
11481 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
11482 -fsanitize-coverage when inlining.
11484 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
11486 * config/csky/csky-modes.def : Fix copyright.
11488 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
11490 * config/csky/csky-modes.def : Amend copyright.
11491 * config/csky/csky_insn_fpuv2.md : Likewise.
11492 * config/csky/csky_insn_fpuv3.md : Likewise.
11494 2021-05-25 Richard Biener <rguenther@suse.de>
11496 PR middle-end/100727
11497 * calls.c (initialize_argument_information): Explicitely test
11498 for WITH_SIZE_EXPR.
11499 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
11501 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
11503 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
11504 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
11505 the signle definition. The signle definition may not work well
11506 at simplify_subreg_regno().
11507 (HARD_FRAME_POINTER_REGNUM): New.
11508 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
11509 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
11510 csky_initial_elimination_offset, csky_expand_prologue,
11511 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
11513 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
11515 * config/csky/csky.c (csky_option_override):
11516 Init csky_arch_isa_features[] in advance, so TARGET_DSP
11517 and TARGET_DIV can be set well.
11519 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
11521 * config/csky/constraints.md ("l", "h"): Delete.
11522 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
11523 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
11524 * config/csky/csky.c (regno_reg_classm,
11525 csky_secondary_reload, csky_register_move_cost):
11526 Use HILO_REGS instead of LO_REGS and HI_REGS.
11528 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
11530 * config/csky/constraints.md ("W"): New constriant for mem operand
11531 with base reg, index register.
11532 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
11533 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
11535 ("Dv"): New constraint for const double value that can be used at
11537 * config/csky/csky-modes.def (HFmode): New mode.
11538 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
11539 to "csky_valid_mem_constraint_operand" and support new constraint
11541 (csky_get_movedouble_length): New.
11542 (fpuv3_output_move): New.
11543 (fpuv3_const_double): New.
11544 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
11545 (decompose_csky_address): Refine.
11546 (csky_print_operand): New "CONST_DOUBLE" operand.
11547 (csky_output_move): Support fpv3 instructions.
11548 (csky_get_movedouble_length): New.
11549 (fpuv3_output_move): New.
11550 (fpuv3_const_double): New.
11551 (csky_emit_compare): Cover float comparsion.
11552 (csky_emit_compare_float): Refine.
11553 (csky_vaild_fpuv2_mem_operand): Rename to
11554 "csky_valid_mem_constraint_operand" and support new constraint "W".
11555 (ck860_rtx_costs): New.
11556 (csky_rtx_costs): Add the cost calculation of CK860.
11557 (regno_reg_class): New vregs for fpuv3.
11558 (csky_dbx_regno): Likewise.
11559 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
11560 (csky_conditional_register_usage): Suporrot fpuv3.
11561 (csky_dwarf_register_span): Suporrot fpuv3.
11562 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
11563 (ck810_legitimate_index_p): Support fp16.
11564 * config/csky/csky.h (TARGET_TLS): ADD CK860.
11565 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
11566 (TARGET_SINGLE_FPU): Support fpuv3.
11567 (TARGET_SUPPORT_FPV3): New.
11568 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
11569 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
11570 REG_CLASS_CONTENTS): Support fpuv3.
11571 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
11572 (csky_movsf_fpv2): Likewise.
11573 (ck801_movsf): Likewise.
11574 (csky_movsf): Likewise.
11576 (csky_movdf_fpv2): Likewise.
11577 (ck801_movdf): Likewise.
11578 (csky_movdf): Likewise.
11579 (movsicc): Refine. Use "comparison_operatior" instead of
11580 "ordered_comparison_operatior".
11581 (addsicc): Likewise.
11582 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
11583 (call_value_internal_vh): New.
11584 * config/csky/csky_cores.def (CK860): New arch and cpu.
11589 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
11590 into emit-patterns and match-patterns, remain the emit-patterns here,
11591 and move the match-patterns to csky_insn_fpuv2.md or
11592 csky_insn_fpuv3.md.
11593 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
11594 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
11596 * config/csky/csky_isa.def (fcr): New.
11601 (CK860): New definition for ck860.
11602 * config/csky/csky_tables.opt (ck860): New processors ck860,
11603 ck860f. And new arch ck860.
11608 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
11609 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
11610 * config/csky/t-csky-elf: Support 860.
11611 * config/csky/t-csky-linux: Likewise.
11612 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
11614 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
11616 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
11617 add generation of logical-add and add-logical fusion pairs.
11618 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
11620 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
11621 logical-add and add-logical fusion by default.
11622 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
11623 -mpower10-fusion-add-logical options.
11624 * config/rs6000/fusion.md: Regenerate file.
11626 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
11628 * value-range.cc (irange::legacy_equal_p): Check type when
11629 comparing VR_VARYING types.
11630 (range_tests_legacy): Test comparing VARYING ranges of different
11633 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
11635 * config/aarch64/aarch64.c (neoversen1_tunings):
11636 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
11638 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
11640 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
11641 extern weak symbols. Limit symbol offsets for non-GOT symbols with
11644 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
11646 * config/arm/neon.md (vec_load_lanesxi<mode>)
11647 (vec_store_lanexoi<mode>): Move ...
11648 * config/arm/vec-common.md: here.
11650 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
11652 * config/arm/neon.md (vec_load_lanesoi<mode>)
11653 (vec_store_lanesoi<mode>): Move ...
11654 * config/arm/vec-common.md: here.
11656 2021-05-24 liuhongt <hongtao.liu@intel.com>
11659 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
11660 stmt with GIMPLE_NOP when lhs doesn't exist.
11662 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
11665 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
11666 New instruction pattern.
11667 (*push<VI_32:mode>2): Ditto.
11668 (push splitter for SSE registers): New splitter.
11670 2021-05-23 Andrew Pinski <apinski@marvell.com>
11672 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
11674 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
11676 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
11677 * config/rs6000/fusion.md: Regenerate file.
11679 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
11681 * config/rs6000/genfusion.pl (gen_addadd): New function.
11682 * config/rs6000/fusion.md: Regenerate file.
11683 * config/rs6000/rs6000-cpus.def: Add
11684 OPTION_MASK_P10_FUSION_2ADD to masks.
11685 * config/rs6000/rs6000.c (rs6000_option_override_internal):
11686 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
11687 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
11689 2021-05-21 Jakub Jelinek <jakub@redhat.com>
11691 PR middle-end/99928
11692 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
11693 * gimplify.c (enum gimplify_omp_var_data): Fix up
11694 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
11695 (omp_lastprivate_for_combined_outer_constructs): If combined target
11696 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
11697 GOVD_MAP | GOVD_SEEN.
11698 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
11699 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
11700 (gimplify_adjust_omp_clauses): For firstprivate clauses with
11701 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
11702 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
11703 let it be replaced by implicit map clause.
11705 2021-05-21 Jakub Jelinek <jakub@redhat.com>
11707 PR middle-end/99928
11708 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
11710 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
11711 (gimplify_omp_for): Likewise.
11713 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11715 PR middle-end/90115
11716 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
11717 'external' in blocks.
11719 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11721 PR middle-end/90115
11722 * flag-types.h (enum openacc_privatization): New.
11723 * params.opt (-param=openacc-privatization): New.
11724 * doc/invoke.texi (openacc-privatization): Document it.
11725 * omp-general.h (get_openacc_privatization_dump_flags): New
11727 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
11728 * omp-offload.c (execute_oacc_device_lower)
11729 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
11730 * target.def (goacc.adjust_private_decl): Add 'location_t'
11732 * doc/tm.texi: Regenerate.
11733 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
11734 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
11735 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
11736 Likewise. Preserve it for...
11737 (nvptx_goacc_expand_var_decl): ... use here.
11739 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11741 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
11744 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11746 PR middle-end/90115
11747 * omp-low.c (oacc_privatization_candidate_p): New function.
11748 (oacc_privatization_scan_clause_chain)
11749 (oacc_privatization_scan_decl_chain): Use it. Also
11750 'gcc_checking_assert' that we're not seeing duplicates.
11752 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11754 PR middle-end/90115
11755 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
11758 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11760 PR middle-end/90115
11761 * omp-offload.c (execute_oacc_device_lower): Explain.
11763 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11765 PR middle-end/90115
11766 * omp-offload.c (execute_oacc_device_lower)
11767 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
11769 * internal-fn.c (expand_UNIQUE): Don't expect
11770 'IFN_UNIQUE_OACC_PRIVATE'.
11772 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11774 PR middle-end/90115
11775 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
11777 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
11779 PR middle-end/90115
11780 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
11781 (nvptx_goacc_expand_var_decl): Tighten.
11783 2021-05-21 Julian Brown <julian@codesourcery.com>
11784 Chung-Lin Tang <cltang@codesourcery.com>
11785 Thomas Schwinge <thomas@codesourcery.com>
11787 PR middle-end/90115
11788 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
11789 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
11790 * doc/tm.texi: Regenerate.
11791 * expr.c (expand_expr_real_1): Expand decls using the
11792 expand_var_decl OpenACC hook if defined.
11793 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
11794 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
11795 * omp-low.c (omp_context): Add oacc_privatization_candidates
11797 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
11799 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
11800 private marker's gimple call arguments, and pass it to
11801 lower_oacc_reductions.
11802 (oacc_privatization_scan_clause_chain)
11803 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
11805 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
11806 * omp-offload.c (convert.h): Include.
11807 (oacc_loop_xform_head_tail): Treat private-variable markers like
11808 fork/join when transforming head/tail sequences.
11809 (struct var_decl_rewrite_info): Add struct.
11810 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
11811 (execute_oacc_device_lower): Support rewriting gang-private
11812 variables using target hook, and fix up addr_expr and var_decl
11814 * target.def (adjust_private_decl, expand_var_decl): New hooks.
11815 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
11817 (gcn_goacc_adjust_private_decl): ...this.
11818 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
11820 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
11821 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
11822 definition using gcn_goacc_adjust_gangprivate_decl...
11823 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
11824 gcn_goacc_adjust_private_decl.
11825 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
11826 (gang_private_shared_size): New global variable.
11827 (gang_private_shared_align): Likewise.
11828 (gang_private_shared_sym): Likewise.
11829 (gang_private_shared_hmap): Likewise.
11830 (nvptx_option_override): Initialize these.
11831 (nvptx_file_end): Output gang_private_shared_sym.
11832 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
11834 (nvptx_set_current_function): Clear gang_private_shared_hmap.
11835 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
11836 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
11838 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
11840 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
11842 2021-05-21 Richard Biener <rguenther@suse.de>
11843 H.J. Lu <hjl.tools@gmail.com>
11845 PR middle-end/90773
11846 * expr.c (expand_constructor): Elide expand_constructor if
11847 move by pieces is preferred.
11849 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11851 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
11852 Take a flag and mode value as arguments.
11853 (aarch64_modifies_global_state_p): Likewise.
11854 (aarch64_reads_global_state_p): Likewise.
11855 (aarch64_could_trap_p): Likewise.
11856 (aarch64_get_attributes): Likewise.
11857 (aarch64_init_simd_builtins): Adjust callsite of above.
11858 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
11859 function attributes to apply to builtins.
11860 (aarch64_init_crc32_builtins): Likewise.
11861 (aarch64_init_builtin_rsqrt): Likewise.
11863 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
11865 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
11866 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
11867 (gen_2logical): Use new fusion types.
11868 * config/rs6000/fusion.md: Regenerate.
11870 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
11873 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
11874 Handle V4QI and V2HI modes.
11875 (ix86_expand_sse_movcc): Ditto.
11876 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
11877 New instruction pattern.
11878 (*eq<VI_32:mode>3): Ditto.
11879 (*gt<VI_32:mode>3): Ditto.
11880 (*xop_pcmov_<VI_32:mode>): Ditto.
11881 (mmx_pblendvb32): Ditto.
11882 (mmx_pblendvb64): Rename from mmx_pblendvb.
11883 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
11884 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
11885 (vcond<VI_32:mode><VI_32:mode>): Ditto.
11886 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
11887 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
11889 2021-05-21 Jakub Jelinek <jakub@redhat.com>
11891 PR tree-optimization/94589
11892 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
11893 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
11894 not the same as cmp3) treat <= the same as < and >= the same as >.
11895 Don't require that cond2_phi_edge is true edge, instead take
11896 false/true edges into account based on cmp1/cmp2 comparison kinds.
11898 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
11901 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
11902 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
11903 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
11904 using SMAXMIN_MMXMODEI mode iterator.
11905 (*<smaxmin:code>v4qi3): New insn pattern.
11906 (*<smaxmin:code>v2hi3): Ditto.
11907 (SMAXMIN_VI_32): New mode iterator.
11908 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
11909 (UMAXMIN_MMXMODEI): New mode iterator.
11910 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
11911 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
11912 using UMAXMIN_MMXMODEI mode iterator.
11913 (*<umaxmin:code>v4qi3): New insn pattern.
11914 (*<umaxmin:code>v2hi3): Ditto.
11915 (UMAXMIN_VI_32): New mode iterator.
11916 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
11917 (abs<VI_32:mode>2): New insn pattern.
11918 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
11919 * config/i386/sse.md: ... here.
11921 2021-05-20 Clement Chigot <clement.chigot@atos.net>
11922 David Edelsohn <dje.gcc@gmail.com>
11924 * collect2.c (scan_prog_file): Issue non-fatal warning for
11927 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
11929 * doc/invoke.texi (-Wno-c++11-extensions)
11930 (-Wno-c++14-extensions, -Wno-c++17-extensions)
11931 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
11934 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
11936 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
11937 * config/darwin.c (darwin_override_options): Likewise.
11938 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
11939 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
11940 (DWARF2_FRAME_REG_OUT): Likewise.
11941 * config/mips/mips.c (mips_output_filename): Likewise.
11942 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
11944 (rs6000_dbx_register_number): Likewise.
11945 * dbxout.c: Include flags.h.
11946 * dwarf2cfi.c (cfi_label_required_p): Likewise.
11947 (dwarf2out_do_frame): Likewise.
11948 * except.c: Include flags.h.
11949 * final.c (dwarf2_debug_info_emitted_p): Likewise.
11950 (final_scan_insn_1): Likewise.
11951 * flags.h (dwarf_debuginfo_p): New function declaration.
11952 * opts.c (dwarf_debuginfo_p): New function definition.
11953 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
11954 * toplev.c (process_options): Likewise.
11956 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
11958 * common.opt: Change type to support bitmasks.
11959 * flag-types.h (enum debug_info_type): Rename enumerator constants.
11960 (NO_DEBUG): New bitmask.
11961 (DBX_DEBUG): Likewise.
11962 (DWARF2_DEBUG): Likewise.
11963 (XCOFF_DEBUG): Likewise.
11964 (VMS_DEBUG): Likewise.
11965 (VMS_AND_DWARF2_DEBUG): Likewise.
11966 * flags.h (debug_set_to_format): New function declaration.
11967 (debug_set_count): Likewise.
11968 (debug_set_names): Likewise.
11969 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
11970 (debug_set_to_format): New function definition.
11971 (debug_set_count): Likewise.
11972 (debug_set_names): Likewise.
11973 (set_debug_level): Update access to debug_type_names.
11974 * toplev.c: Likewise.
11976 2021-05-20 Martin Sebor <msebor@redhat.com>
11978 PR middle-end/100684
11979 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
11981 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
11984 * config/i386/i386.md (isa): Remove x64_bmi.
11985 (enabled): Remove x64_bmi.
11986 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
11987 Remove general register alternative.
11988 (*andnot<VI_32:mode>3): Ditto.
11989 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
11990 (*<any_logic:code><VI_32:mode>3): Ditto.
11992 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
11994 * config/arm/arm.c: Include head files tree-vectorizer.h and
11997 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
12000 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
12001 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
12002 (<s>mulv4hi3_highpart): New expander.
12003 (*<s>mulv2hi3_highpart): New insn pattern.
12004 (<s>mulv2hi3_higpart): New expander.
12005 (*<any_shift:insn>v2hi3): New insn pattern.
12006 (<any_shift:insn>v2hi3): New expander.
12007 * config/i386/sse.md (smulhrsv2hi3): New expander.
12008 (*smulhrsv2hi3): New insn pattern.
12010 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
12012 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
12014 * params.opt (vect-inner-loop-cost-factor): New.
12015 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
12016 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
12017 tree-vectorizer.h and its required ones.
12018 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
12019 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
12020 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
12021 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
12022 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
12023 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
12025 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
12026 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
12027 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
12029 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
12030 Torbjörn Svensson <torbjorn.svensson@st.com>
12033 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
12035 2021-05-20 Jakub Jelinek <jakub@redhat.com>
12037 PR middle-end/99928
12038 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
12039 explicit linear clause when combined with target, make it map(tofrom:)
12040 instead of no clause or firstprivate.
12042 2021-05-20 Jakub Jelinek <jakub@redhat.com>
12044 PR tree-optimization/94589
12045 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
12046 of integral conversions.
12048 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
12050 * gimple-range.cc (fur_source::get_operand): New.
12051 (gimple_range_fold): Delete.
12052 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
12053 (fold_using_range::range_of_range_op): Move from gimple_ranger.
12054 (fold_using_range::range_of_address): Ditto.
12055 (fold_using_range::range_of_phi): Ditto.
12056 (fold_using_range::range_of_call): Ditto.
12057 (fold_using_range::range_of_builtin_ubsan_call): Move from
12058 range_of_builtin_ubsan_call.
12059 (fold_using_range::range_of_builtin_call): Move from
12060 range_of_builtin_call.
12061 (gimple_ranger::range_of_builtin_call): Delete.
12062 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
12063 (gimple_ranger::fold_range_internal): New.
12064 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
12065 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
12066 gimple_ranger. Improve ranges of SSA_NAMES when possible.
12067 * gimple-range.h (gimple_ranger): Remove various range_of routines.
12068 (class fur_source): New.
12069 (class fold_using_range): New.
12070 (fur_source::fur_source): New.
12072 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
12073 instead of range_of_builtin_call.
12075 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
12077 * doc/cpp.texi (Common Predefined Macros): Update documentation
12078 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
12080 2021-05-19 Alex Coplan <alex.coplan@arm.com>
12083 * config/arm/arm.md (nonsecure_call_internal): Always ensure
12084 callee's address is in a register.
12086 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
12088 * common/config/riscv/riscv-common.c
12089 (riscv_subset_list::parsing_subset_version): Properly parse the letter
12091 (riscv_subset_list::parse_std_ext,
12092 riscv_subset_list::parse_multiletter_ext): To handle errors generated
12093 in riscv_subset_list::parsing_subset_version.
12095 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
12097 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
12098 type attribute in patterns generating XTN(2).
12100 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
12102 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
12103 Remove as duplicate of...
12104 (aarch64_xtn<mode>): This.
12105 (aarch64_xtn2<mode>_le): Move position in file.
12106 (aarch64_xtn2<mode>_be): Move position in file.
12107 (aarch64_xtn2<mode>): Move position in file.
12108 (vec_pack_trunc_<mode>): Define as an expander.
12110 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
12112 * config/aarch64/aarch64-simd-builtins.def: Split builtin
12113 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
12114 separate scalar and vector generators.
12115 * config/aarch64/aarch64-simd.md
12116 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
12118 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
12119 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
12120 * config/aarch64/iterators.md: Define SD_HSDI iterator.
12122 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
12124 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
12126 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
12128 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
12130 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
12131 Implement as an expand emitting a big/little endian
12132 instruction pattern.
12133 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
12134 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
12136 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
12138 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
12139 Implement as an expand emitting a big/little endian
12140 instruction pattern.
12141 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
12142 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
12143 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
12144 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
12146 2021-05-19 Richard Biener <rguenther@suse.de>
12148 PR middle-end/100672
12149 * fold-const.c (fold_negate_expr_1): Use element_precision.
12150 (negate_expr_p): Likewise.
12152 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
12154 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
12155 (pred_load): New int attribute.
12156 * config/aarch64/aarch64-sve.md
12157 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
12158 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
12159 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
12160 code_for_aarch64_load.
12162 2021-05-19 Richard Biener <rguenther@suse.de>
12164 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
12165 sure TARGET_MEM_REF bases are expanded as memory.
12166 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
12167 Do not mark TARGET_MEM_REF bases addressable.
12168 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
12169 TARGET_MEM_REF bases as never rewritable.
12170 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
12171 walk TARGET_MEM_REF bases as address-takens.
12172 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
12174 2021-05-19 Richard Biener <rguenther@suse.de>
12176 * builtins.c (get_object_alignment_1): Strip outer
12178 * tree-dfa.c (get_ref_base_and_extent): Handle outer
12179 WITH_SIZE_EXPR for size processing and process the
12181 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
12182 outer WITH_SIZE_EXPR.
12183 (ao_ref_base_alias_ptr_type): Likewise.
12184 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
12185 and handle that accordingly, stripping it for the
12186 core alias workers.
12187 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
12188 looking through it instead of returning NULL.
12190 2021-05-19 Jakub Jelinek <jakub@redhat.com>
12192 PR middle-end/100576
12193 * builtins.c (check_read_access): Convert bound to size_type_node if
12196 2021-05-19 Richard Biener <rguenther@suse.de>
12198 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
12199 (verify_types_in_gimple_reference): ... here. Sanitize.
12200 (verify_gimple_call): Verify references in LHS and arguments.
12201 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
12203 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
12205 * config/i386/i386.h (VALID_INT_MODE_P):
12206 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
12207 * config/i386/i386.md (isa): Add x64_bmi.
12208 (enabled): Handle x64_bmi.
12209 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
12210 Add alternative using 64bit general registers.
12211 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
12213 2021-05-19 Jakub Jelinek <jakub@redhat.com>
12215 PR middle-end/99928
12216 * tree.h (OMP_MASTER_COMBINED): Define.
12217 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
12218 handling for outer combined/composite constructs to a loop.
12219 Handle lastprivate on combined target.
12220 (gimplify_expr): Formatting fix.
12222 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
12224 * passes.def: Add sink_code pass before store_merging.
12225 * tree-ssa-sink.c (pass_sink_code:clone): New.
12227 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
12229 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
12230 rs6000_special_adjust_field_align_p.
12231 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
12232 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
12233 Remove ABI warning.
12234 (rs6000_function_arg): Likewise.
12235 * config/rs6000/rs6000-protos.h
12236 (rs6000_special_adjust_field_align_p): Remove prototype.
12237 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
12239 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
12240 rs6000_special_adjust_field_align_p.
12242 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
12245 * config/i386/i386.h (VALID_SSE2_REG_MODE):
12246 Add V4QI and V2HI modes.
12247 (VALID_INT_MODE_P): Ditto.
12248 * config/i386/mmx.md (VI_32): New mode iterator.
12249 (mmxvecsize): Handle V4QI and V2HI.
12251 (mov<VI_32:mode>): New expander.
12252 (*mov<mode>_internal): New insn pattern.
12253 (movmisalign<VI_32:mode>): New expander.
12254 (neg<VI_32:mode>): New expander.
12255 (<plusminus:insn><VI_32:mode>3): New expander.
12256 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
12257 (mulv2hi3): New expander.
12258 (*mulv2hi3): New insn pattern.
12259 (one_cmpl<VI_32:mode>2): New expander.
12260 (*andnot<VI_32:mode>3): New insn pattern.
12261 (<any_logic:code><VI_32:mode>3): New expander.
12262 (*<any_logic:code><VI_32:mode>3): New insn pattern.
12264 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
12266 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
12267 Fix a mode mismatch with operand 1.
12269 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
12272 * config/i386/i386-expand.c (split_double_mode): Return
12273 temporary register when simplify_gen_subreg fails with
12274 the high half od the paradoxical subreg.
12276 2021-05-18 Richard Biener <rguenther@suse.de>
12278 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
12279 and honor it when expanding.
12280 (expand_used_vars_for_block): Pass through forced_stack_var.
12281 (expand_used_vars): Likewise.
12282 (discover_nonconstant_array_refs_r): Set bits in
12283 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
12284 (avoid_type_punning_on_regs): Likewise.
12285 (discover_nonconstant_array_refs): Likewise.
12286 (pass_expand::execute): Create and pass down forced_stack_var
12287 bitmap. For parameters and returns temporarily set
12288 TREE_ADDRESSABLE when expand_function_start.
12290 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
12292 * doc/sourcebuild.texi: Document 'dg-note'.
12294 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
12297 * configure: Regenerate.
12298 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
12300 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
12302 * gimple.h (is_gimple_omp_oacc): Tighten.
12303 * omp-low.c (check_omp_nesting_restrictions): Adjust.
12305 2021-05-18 Richard Biener <rguenther@suse.de>
12307 * tree-ssa-operands.c (mark_address_taken): Simplify.
12309 2021-05-18 Martin Liska <mliska@suse.cz>
12311 * config/gcn/mkoffload.c (STR): Redefine.
12312 * config/i386/intelmic-mkoffload.c (STR): Likewise.
12313 * config/nvptx/mkoffload.c (STR): Likewise.
12315 2021-05-18 Martin Liska <mliska@suse.cz>
12317 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
12318 Use startswith function instead of strncmp.
12319 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
12320 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
12321 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
12322 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
12323 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
12324 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
12325 * config/arm/arm.c (arm_file_start): Likewise.
12326 (arm_valid_target_attribute_rec): Likewise.
12327 (thumb1_md_asm_adjust): Likewise.
12328 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
12329 * config/avr/avr.c (STR_PREFIX_P): Likewise.
12330 (avr_set_current_function): Likewise.
12331 (avr_handle_addr_attribute): Likewise.
12332 (avr_asm_output_aligned_decl_common): Likewise.
12333 (avr_asm_named_section): Likewise.
12334 (avr_section_type_flags): Likewise.
12335 (avr_asm_select_section): Likewise.
12336 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
12337 (c6x_section_type_flags): Likewise.
12338 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
12339 (darwin_objc_declare_unresolved_class_reference): Likewise.
12340 (darwin_objc_declare_class_definition): Likewise.
12341 * config/darwin.c (indirect_data): Likewise.
12342 (darwin_encode_section_info): Likewise.
12343 (darwin_objc2_section): Likewise.
12344 (darwin_objc1_section): Likewise.
12345 (machopic_select_section): Likewise.
12346 (darwin_globalize_label): Likewise.
12347 (darwin_label_is_anonymous_local_objc_name): Likewise.
12348 (darwin_asm_named_section): Likewise.
12349 (darwin_asm_output_dwarf_offset): Likewise.
12350 * config/frv/frv.c (frv_string_begins_with): Likewise.
12351 (frv_in_small_data_p): Likewise.
12352 * config/gcn/mkoffload.c (STR): Likewise.
12354 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
12355 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
12356 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
12357 (ix86_md_asm_adjust): Likewise.
12358 * config/i386/intelmic-mkoffload.c (STR): Likewise.
12359 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
12360 (i386_pe_file_end): Likewise.
12361 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
12362 (ia64_section_type_flags): Likewise.
12363 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
12364 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
12365 (mips16_stub_function_p): Likewise.
12366 (mips_function_rodata_section): Likewise.
12367 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
12368 (msp430_function_section): Likewise.
12369 (msp430_section_type_flags): Likewise.
12370 (msp430_expand_helper): Likewise.
12371 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
12372 (nios2_valid_target_attribute_rec): Likewise.
12373 * config/nvptx/mkoffload.c (process): Likewise.
12375 * config/pa/som.h: Likewise.
12376 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
12377 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
12378 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
12379 (rs6000_inner_target_options): Likewise.
12380 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
12381 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
12382 * config/vax/vax.c (vax_output_int_move): Likewise.
12383 * config/vms/vms-ld.c (startswith): Likewise.
12384 (process_args): Likewise.
12386 * config/vms/vms.c: Likewise.
12388 2021-05-18 Jakub Jelinek <jakub@redhat.com>
12390 PR rtl-optimization/100590
12391 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
12392 they are NONJUMP_INSN_P.
12394 2021-05-18 Jakub Jelinek <jakub@redhat.com>
12397 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
12398 DECL_ASSEMBLER_NAME on the fn_decl.
12400 2021-05-18 Jakub Jelinek <jakub@redhat.com>
12402 PR tree-optimization/94589
12403 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
12404 phi result used in (res & ~1) == 0 comparison as res >= 0 as
12405 res == 2 would be UB with -ffinite-math-only.
12407 2021-05-18 Martin Liska <mliska@suse.cz>
12409 * Makefile.in: genversion.o should depend on DATESTAMP.
12411 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
12413 * config/arc/simdext.md (negv2si2): Remove round bracket.
12415 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
12417 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
12418 _Bool as macro expanding to _Bool.
12420 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
12423 * tree.c (build_reference_type_for_mode)
12424 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
12426 (build_reference_type, build_pointer_type): Invoke
12427 build_*_type_for_mode with VOIDmode.
12429 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
12431 PR tree-optimization/100512
12432 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
12433 and non-zero pointer ranges as invariant.
12434 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
12435 processing from here.
12437 2021-05-17 Tom de Vries <tdevries@suse.de>
12440 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
12441 * config/nvptx/nvptx.c (nvptx_output_barrier)
12442 (nvptx_output_atomic_insn): New function.
12443 (nvptx_print_operand): Add support for 'B'.
12444 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
12447 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
12449 PR tree-optimization/100349
12450 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
12453 2021-05-17 Tamar Christina <tamar.christina@arm.com>
12455 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
12456 (host_detect_local_cpu): Use it.
12458 2021-05-17 Martin Liska <mliska@suse.cz>
12460 * doc/invoke.texi: Add 2 missing dots.
12462 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
12464 PR bootstrap/100552
12465 * configure.ac: Replace pattern substitution with call to sed.
12466 * configure: Regenerate.
12468 2021-05-17 Richard Biener <rguenther@suse.de>
12470 PR middle-end/100582
12471 * tree.c (array_at_struct_end_p): Get to the base of the
12472 reference before looking for the underlying decl.
12474 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
12476 * genoutput.c (validate_insn_alternatives) Make "wrong number of
12477 alternatives" message more specific, and remove assumption on where
12480 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
12482 * config/arm/iterators.md (V16): New iterator.
12483 (VH_cvtto): New iterator.
12484 (v_cmp_result): Added V4HF and V8HF support.
12485 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
12486 (vcond<mode><mode>): Likewise.
12487 (vcond_mask_<mode><v_cmp_result>): Likewise.
12488 (vcond<VH_cvtto><mode>): New expander.
12490 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
12492 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
12494 * config/arm/arm.c (arm_expand_vector_compare): Add support for
12496 (arm_expand_vcond): Likewise.
12497 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
12498 VCMPEQQ_N_S, VCMPNEQ_N_S.
12499 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
12500 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
12501 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
12502 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
12503 (@mve_vpselq_<supf><mode>): Likewise.
12504 (@mve_vpselq_f<mode>"): Likewise.
12505 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
12506 and move to vec-common.md.
12507 (vec_cmpu<mode><mode>): Likewise.
12508 (vcond<mode><mode>): Likewise.
12509 (vcond<V_cvtto><mode>): Likewise.
12510 (vcondu<mode><v_cmp_result>): Likewise.
12511 (vcond_mask_<mode><v_cmp_result>): Likewise.
12512 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
12513 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
12514 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
12515 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
12516 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
12517 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
12519 (vec_cmpu<mode><mode>): Likewise.
12520 (vcond<mode><mode>): Likewise.
12521 (vcond<V_cvtto><mode>): Likewise.
12522 (vcondu<mode><v_cmp_result>): Likewise.
12523 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
12526 2021-05-17 liuhongt <hongtao.liu@intel.com>
12529 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
12530 gsi_insert_seq_before instead.
12532 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
12534 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
12535 (arm_sat_ok): ...this.
12537 2021-05-17 Martin Liska <mliska@suse.cz>
12539 * lto-wrapper.c (merge_flto_options): Factor out a new function.
12540 (merge_and_complain): Use it.
12541 (run_gcc): Merge also linker command line -flto=foo argument
12544 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
12546 * config/arm/arm.h (CPP_SPEC): Remove error message about
12547 -mlittle-endian/-mbig-endian conflict.
12549 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
12551 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
12552 __ROP_PROTECT__ if -mrop-protect is selected.
12554 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
12556 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
12557 rop_hash_save_offset and rop_hash_size.
12558 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
12559 rop_hash_size and rop_hash_save_offset.
12560 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
12561 (rs6000_emit_prologue): Emit hashst[p] in prologue.
12562 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
12563 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
12565 (hashst): New define_insn.
12566 (hashchk): Likewise.
12568 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
12570 * config/rs6000/rs6000.c (rs6000_option_override_internal):
12571 Disable shrink wrap when inserting ROP-protect instructions.
12572 * config/rs6000/rs6000.opt (mrop-protect): New option.
12573 (mprivileged): Likewise.
12574 * doc/invoke.texi: Document mrop-protect and mprivileged.
12576 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
12578 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
12581 2021-05-15 Martin Jambor <mjambor@suse.cz>
12584 2021-05-13 Martin Jambor <mjambor@suse.cz>
12586 PR tree-optimization/100453
12587 * tree-sra.c (sra_modify_assign): All const base accesses do not
12588 need refreshing, not just those from decl_pool.
12589 (sra_modify_assign): Do not refresh into a const base decl.
12591 2021-05-15 Jakub Jelinek <jakub@redhat.com>
12593 PR rtl-optimization/100342
12594 * regcprop.c (copy_value): When copying a source reg in a wider
12595 mode than it has recorded for the value, adjust recorded destination
12596 mode too or punt if !REG_CAN_CHANGE_MODE_P.
12598 2021-05-14 Jason Merrill <jason@redhat.com>
12600 * intl.h: Add comments.
12602 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12604 * config/aarch64/aarch64-simd.md
12605 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
12606 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
12607 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
12608 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
12609 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
12610 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
12611 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
12612 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
12613 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
12615 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
12618 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
12619 boolean logic equivalent.
12620 (vtst_s16): Likewise.
12621 (vtst_s32): Likewise.
12622 (vtst_u8): Likewise.
12623 (vtst_u16): Likewise.
12624 (vtst_u32): Likewise.
12625 (vtst_p8): Likewise.
12626 (vtst_p16): Likewise.
12627 (vtstq_s8): Likewise.
12628 (vtstq_s16): Likewise.
12629 (vtstq_s32): Likewise.
12630 (vtstq_u8): Likewise.
12631 (vtstq_u16): Likewise.
12632 (vtstq_u32): Likewise.
12633 (vtstq_p8): Likewise.
12634 (vtstq_p16): Likewise.
12635 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
12636 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
12638 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12640 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
12641 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
12642 (aarch64_sqdmlsl2<mode>): Delete.
12643 (aarch64_sqdmlal2_lane<mode>): Merge this...
12644 (aarch64_sqdmlsl2_lane<mode>): ... And this...
12645 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
12646 (aarch64_sqdmlal2_laneq<mode>): Merge this...
12647 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
12648 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
12649 (aarch64_sqdmlal2_n<mode>): Merge this...
12650 (aarch64_sqdmlsl2_n<mode>): ... And this...
12651 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
12653 2021-05-13 Martin Sebor <msebor@redhat.com>
12655 PR middle-end/100574
12656 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
12657 all null arguments.
12659 2021-05-13 Martin Sebor <msebor@redhat.com>
12661 PR tree-optimization/93100
12662 PR middle-end/98583
12663 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
12664 don't modify referenced objects.
12666 2021-05-13 Martin Jambor <mjambor@suse.cz>
12668 PR tree-optimization/100453
12669 * tree-sra.c (sra_modify_assign): All const base accesses do not
12670 need refreshing, not just those from decl_pool.
12671 (sra_modify_assign): Do not refresh into a const base decl.
12673 2021-05-13 Martin Liska <mliska@suse.cz>
12675 * tree-ssa-dom.c: Remove m_simplifier.
12677 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
12680 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
12681 canonicalize DImode inequality comparisons against the
12682 maximum integral value.
12684 2021-05-13 Jakub Jelinek <jakub@redhat.com>
12686 PR tree-optimization/98856
12687 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
12688 Expect V2DI and V4DI arithmetic right shifts to be emulated.
12689 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
12691 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
12692 expand_vec_perm_2perm_pblendv): New functions.
12693 (ix86_expand_vec_perm_const_1): Use them.
12694 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
12695 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
12696 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
12697 (ashrv4di3): New define_expand.
12698 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
12699 and !TARGET_AVX512VL expansion.
12701 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
12704 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
12705 sizes < 16 to a register when constructing vpcmov pattern.
12706 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
12708 2021-05-13 Martin Liska <mliska@suse.cz>
12710 * gcov-io.c (gcov_write_block): Remove.
12711 (gcov_write_words): Likewise.
12712 (gcov_read_words): Re-implement using gcov_read_bytes.
12713 (gcov_allocate): Remove.
12714 (GCOV_BLOCK_SIZE): Likewise.
12715 (struct gcov_var): Remove most of the fields.
12716 (gcov_position): Implement with ftell.
12717 (gcov_rewrite): Remove setting of start and offset fields.
12718 (from_file): Re-format.
12719 (gcov_open): Remove setbuf call. It should not be needed.
12720 (gcov_close): Remove internal buffer handling.
12721 (gcov_magic): Use __builtin_bswap32.
12722 (gcov_write_counter): Use directly gcov_write_unsigned.
12723 (gcov_write_string): Use direct fwrite and do not round
12725 (gcov_seek): Use directly fseek.
12726 (gcov_write_tag): Use gcov_write_unsigned directly.
12727 (gcov_write_length): Likewise.
12728 (gcov_write_tag_length): Likewise.
12729 (gcov_read_bytes): Use directly fread.
12730 (gcov_read_unsigned): Use gcov_read_words.
12731 (gcov_read_counter): Likewise.
12732 (gcov_read_string): Use gcov_read_bytes.
12733 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
12734 that size is not in bytes, but words (4B).
12735 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
12736 (GCOV_TAG_ARCS_LENGTH): Likewise.
12737 (GCOV_TAG_ARCS_NUM): Likewise.
12738 (GCOV_TAG_COUNTER_LENGTH): Likewise.
12739 (GCOV_TAG_COUNTER_NUM): Likewise.
12740 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
12742 2021-05-13 liuhongt <hongtao.liu@intel.com>
12745 * config/i386/sse.md (ssedoublevecmode): Add attribute for
12746 V64QI/V32HI/V16SI/V4DI.
12747 (ssehalfvecmode): Add attribute for V2DI/V2DF.
12748 (*vec_concatv4si_0): Extend to VI124_128.
12749 (*vec_concat<mode>_0): New pre-reload splitter.
12750 * config/i386/predicates.md (movq_parallel): New predicate.
12752 2021-05-13 Alexandre Oliva <oliva@adacore.com>
12754 * targhooks.c (default_zero_call_used_regs): Retry using
12755 successfully-zeroed registers as sources.
12757 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
12759 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
12761 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
12764 * gimple-range.cc (range_of_builtin_call): Skip out on
12765 processing __builtin_clz when varying.
12767 2021-05-12 Tom de Vries <tdevries@suse.de>
12770 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
12771 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
12772 to ptx_version_option.
12773 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
12774 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
12775 (define_insn "nvptx_vote_ballot"): Use sync variant for
12777 * config/nvptx/nvptx.opt (ptx_version): Add enum.
12778 (mptx): Add option.
12779 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
12781 2021-05-12 Richard Biener <rguenther@suse.de>
12783 PR tree-optimization/100566
12784 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
12785 allow_back for all edge queries.
12787 2021-05-12 liuhongt <hongtao.liu@intel.com>
12790 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
12791 splitters for pblendvb of NOT mask register.
12793 2021-05-12 Richard Biener <rguenther@suse.de>
12795 PR tree-optimization/100519
12796 * tree-ssa-reassoc.c (can_associate_p): Split into...
12797 (can_associate_op_p): ... this
12798 (can_associate_type_p): ... and this.
12799 (is_reassociable_op): Call can_associate_op_p.
12800 (break_up_subtract_bb): Call the appropriate predicates.
12801 (reassociate_bb): Likewise.
12803 2021-05-12 Martin Liska <mliska@suse.cz>
12805 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
12806 (run_gcc): Use -flto argument detection for merged
12809 2021-05-12 Martin Liska <mliska@suse.cz>
12811 * lto-wrapper.c (print_lto_docs_link): New function.
12812 (run_gcc): Print warning about missing job server detection
12813 after we know NR of partitions. Do the same for -flto{,=1}.
12814 * opts.c (get_option_html_page): Support -flto option.
12816 2021-05-12 Martin Liska <mliska@suse.cz>
12818 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
12820 (append_option): Remove.
12821 (find_option): Rework to use the vector type.
12822 (remove_option): Remove.
12823 (merge_and_complain): Use vectors for cl_decoded_option data
12825 (append_compiler_options): Likewise.
12826 (append_diag_options): Likewise.
12827 (append_linker_options): Likewise.
12828 (append_offload_options): Likewise.
12829 (compile_offload_image): Likewise.
12830 (compile_images_for_offload_targets): Likewise.
12831 (find_and_merge_options): Likewise.
12832 (run_gcc): Likewise.
12834 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
12837 * dwarf2out.c (dwarf2out_finish): Set
12838 have_multiple_function_sections with multi-range text_section.
12840 2021-05-12 Martin Liska <mliska@suse.cz>
12842 PR bootstrap/100560
12843 * Makefile.in: Remove version.h from linker command line.
12845 2021-05-12 Richard Biener <rguenther@suse.de>
12847 PR middle-end/100547
12848 * rtl.h (rtvec_alloc): Make argument size_t.
12849 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
12851 2021-05-12 Jakub Jelinek <jakub@redhat.com>
12853 PR middle-end/100508
12854 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
12855 type, don't reuse DECL_RTL if it has different mode, instead force
12856 creation of a new DEBUG_EXPR.
12858 2021-05-12 Jakub Jelinek <jakub@redhat.com>
12859 Marc Glisse <marc.glisse@inria.fr>
12861 PR tree-optimization/94589
12862 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
12863 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
12865 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
12868 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
12869 * config/i386/mmx.md (MMXMODE124): New mode iterator.
12871 (mmxintvecmode): New mode attribute.
12872 (mmxintvecmodelower): Ditto.
12873 (*mmx_maskcmpv2sf3_comm): New insn pattern.
12874 (*mmx_maskcmpv2sf3): Ditto.
12875 (vec_cmpv2sfv2si): New expander.
12876 (vcond<V2FI:mode>v2si): Ditto.
12877 (mmx_vlendvps): New insn pattern.
12878 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
12879 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
12880 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
12882 2021-05-11 Martin Sebor <msebor@redhat.com>
12884 PR middle-end/21433
12885 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
12887 2021-05-11 Richard Biener <rguenther@suse.de>
12889 * gimple-fold.c (gimple_fold_call): Do not call
12890 maybe_fold_reference on call arguments or the static chain.
12891 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
12894 2021-05-11 Martin Liska <mliska@suse.cz>
12896 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
12897 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
12898 (DEF_HSAIL_SAT_BUILTIN): Likewise.
12899 (DEF_HSAIL_INTR_BUILTIN): Likewise.
12900 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
12901 * doc/frontends.texi: Remove BRIG.
12902 * doc/install.texi: Likewise.
12903 * doc/invoke.texi: Likewise.
12904 * doc/standards.texi: Likewise.
12905 * brig-builtins.def: Removed.
12906 * brig/ChangeLog: Removed.
12907 * brig/Make-lang.in: Removed.
12908 * brig/brig-builtins.h: Removed.
12909 * brig/brig-c.h: Removed.
12910 * brig/brig-lang.c: Removed.
12911 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
12912 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
12913 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
12914 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
12915 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
12916 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
12917 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
12918 * brig/brigfrontend/brig-comment-handler.cc: Removed.
12919 * brig/brigfrontend/brig-control-handler.cc: Removed.
12920 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
12921 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
12922 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
12923 * brig/brigfrontend/brig-function-handler.cc: Removed.
12924 * brig/brigfrontend/brig-function.cc: Removed.
12925 * brig/brigfrontend/brig-function.h: Removed.
12926 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
12927 * brig/brigfrontend/brig-label-handler.cc: Removed.
12928 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
12929 * brig/brigfrontend/brig-machine.c: Removed.
12930 * brig/brigfrontend/brig-machine.h: Removed.
12931 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
12932 * brig/brigfrontend/brig-module-handler.cc: Removed.
12933 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
12934 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
12935 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
12936 * brig/brigfrontend/brig-to-generic.cc: Removed.
12937 * brig/brigfrontend/brig-to-generic.h: Removed.
12938 * brig/brigfrontend/brig-util.cc: Removed.
12939 * brig/brigfrontend/brig-util.h: Removed.
12940 * brig/brigfrontend/brig-variable-handler.cc: Removed.
12941 * brig/brigfrontend/hsa-brig-format.h: Removed.
12942 * brig/brigfrontend/phsa.h: Removed.
12943 * brig/brigspec.c: Removed.
12944 * brig/config-lang.in: Removed.
12945 * brig/gccbrig.texi: Removed.
12946 * brig/lang-specs.h: Removed.
12947 * brig/lang.opt: Removed.
12949 2021-05-11 Richard Biener <rguenther@suse.de>
12952 * ipa-param-manipulation.c
12953 (ipa_param_body_adjustments::modify_call_stmt): Avoid
12954 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
12955 via gimple_call_lhs_ptr.
12957 2021-05-11 Alex Coplan <alex.coplan@arm.com>
12960 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
12961 Avoid emitting CFA adjusts on the sp if we have the fp.
12963 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
12965 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
12966 (VMULD): New iterator.
12967 (VCOND): Handle V4HF and V8HF.
12968 (VCONQ): Fix entry for V2SF.
12969 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
12970 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
12971 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
12972 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
12973 Use a 128-bit vector mode for the indexed operand. Use stype for
12974 the scheduling type.
12976 2021-05-11 Richard Biener <rguenther@suse.de>
12978 * gimple-fold.c (maybe_fold_reference): Only return
12979 is_gimple_min_invariant values.
12981 2021-05-11 Richard Biener <rguenther@suse.de>
12983 PR middle-end/100509
12984 * gimple-fold.c (fold_gimple_assign): Only call
12985 get_symbol_constant_value on register type symbols.
12987 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
12988 Joe Ramsay <joe.ramsay@arm.com>
12991 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
12992 (__arm_vcmpneq): Remove duplicate definition.
12993 (__arm_vstrwq_scatter_offset_p): Likewise.
12994 (__arm_vmaxq_x): Likewise.
12995 (__arm_vmlsdavaq): Likewise.
12996 (__arm_vmlsdavaxq): Likewise.
12997 (__arm_vmlsdavq_p): Likewise.
12998 (__arm_vmlsdavxq_p): Likewise.
12999 (__arm_vrmlaldavhaq): Likewise.
13000 (__arm_vstrbq_p): Likewise.
13001 (__arm_vstrbq_scatter_offset): Likewise.
13002 (__arm_vstrbq_scatter_offset_p): Likewise.
13003 (__arm_vstrdq_scatter_offset): Likewise.
13004 (__arm_vstrdq_scatter_offset_p): Likewise.
13005 (__arm_vstrdq_scatter_shifted_offset): Likewise.
13006 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
13008 2021-05-11 Jakub Jelinek <jakub@redhat.com>
13010 PR middle-end/100471
13011 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
13012 is 0, bypass the reduction loop including
13013 GOMP_taskgroup_reduction_unregister call.
13015 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
13017 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
13018 costing_for_scalar.
13019 (rs6000_density_test): Early return if costing_for_scalar is true.
13020 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
13022 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
13024 * doc/tm.texi: Regenerated.
13025 * target.def (init_cost): Add new parameter costing_for_scalar.
13026 * targhooks.c (default_init_cost): Adjust for new parameter.
13027 * targhooks.h (default_init_cost): Likewise.
13028 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
13029 (vect_compute_single_scalar_iteration_cost): Likewise.
13030 (vect_analyze_loop_2): Likewise.
13031 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
13032 (vect_bb_vectorization_profitable_p): Likewise.
13033 * tree-vectorizer.h (init_cost): Likewise.
13034 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
13035 * config/i386/i386.c (ix86_init_cost): Likewise.
13036 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
13038 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
13040 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
13041 vect_nonmem and moved into...
13042 (struct rs6000_cost_data): ...here.
13043 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
13044 (rs6000_add_stmt_cost): Likewise.
13045 (rs6000_finish_cost): Likewise.
13047 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
13049 * range-op.cc (get_bool_state): Adjust head comment.
13050 (operator_not_equal::op1_range): Fix comment.
13051 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
13053 2021-05-10 Martin Sebor <msebor@redhat.com>
13055 PR middle-end/100425
13056 PR middle-end/100510
13057 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
13058 (pass_walloca::xlimit_certain_p): ...to this.
13059 (pass_walloca::gate): Execute for any kind of handled warning.
13060 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
13061 warnings when xlimit_certain_p is set.
13063 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
13065 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
13066 Return ALTIVEC_REGS if that is best_class.
13067 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
13069 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
13071 * config/arm/arm.h (CPP_SPEC): Remove error message about
13074 2021-05-10 Martin Jambor <mjambor@suse.cz>
13076 * ipa-prop.h (IPA_NODE_REF): Removed.
13077 (IPA_NODE_REF_GET_CREATE): Likewise.
13078 (IPA_EDGE_REF): Likewise.
13079 (IPA_EDGE_REF_GET_CREATE): Likewise.
13080 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
13081 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
13082 use of ipa_node_params_sum.
13083 (ipcp_versionable_function_p): Likewise.
13084 (push_node_to_stack): Likewise.
13085 (pop_node_from_stack): Likewise.
13086 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
13087 direct use of ipa_node_params_sum.
13088 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
13089 ipa_node_params_sum.
13090 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
13092 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
13093 use of ipa_node_params_sum.
13094 (self_recursively_generated_p): Likewise.
13095 (propagate_scalar_across_jump_function): Likewise.
13096 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
13097 direct use of ipa_edge_args_sum, moved the lookup after the early
13098 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
13099 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
13100 direct uses of ipa_node_params_sum.
13101 (propagate_vr_across_jump_function): Likewise.
13102 (propagate_aggregate_lattice): Likewise.
13103 (propagate_aggs_across_jump_function): Likewise.
13104 (propagate_constants_across_call): Likewise, also replaced
13105 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
13106 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
13107 of ipa_node_params_sum.
13108 (estimate_local_effects): Likewise.
13109 (add_all_node_vals_to_toposort): Likewise.
13110 (propagate_constants_topo): Likewise.
13111 (ipcp_propagate_stage): Likewise.
13112 (ipcp_discover_new_direct_edges): Likewise.
13113 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
13114 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
13115 (get_info_about_necessary_edges): Likewise.
13116 (want_remove_some_param_p): Likewise.
13117 (create_specialized_node): Likewise.
13118 (self_recursive_pass_through_p): Likewise.
13119 (self_recursive_agg_pass_through_p): Likewise.
13120 (find_more_scalar_values_for_callers_subset): Likewise and also
13121 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
13122 case replacing two of those with a single query.
13123 (find_more_contexts_for_caller_subset): Likewise for the
13124 ipa_polymorphic_call_context overload.
13125 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
13126 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
13127 ipa_node_params_sum.
13128 (find_aggregate_values_for_callers_subset): Likewise, also reusing
13129 results of ipa_edge_args_sum->get.
13130 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
13131 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
13132 direct use of ipa_edge_args_sum.
13133 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
13134 summary query after the early exit and reused the result later.
13135 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
13136 ipa_node_params_sum.
13137 (decide_whether_version_node): Likewise. Removed re-querying for
13138 summaries after cloning.
13139 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
13140 ipa_node_params_sum.
13141 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
13143 (identify_dead_nodes): Likewise.
13144 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
13145 ipa_node_params_sum.
13146 (ipcp_store_vr_results): Likewise.
13147 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
13148 (ipa_fn_summary_t::duplicate): Likewise.
13149 (analyze_function_body): Likewise.
13150 (estimate_calls_size_and_time): Likewise.
13151 (ipa_cached_call_context::duplicate_from): Likewise.
13152 (ipa_call_context::equal_to): Likewise.
13153 (remap_edge_params): Likewise.
13154 (ipa_merge_fn_summary_after_inlining): Likewise.
13155 (inline_read_section): Likewise.
13156 * ipa-icf.c (sem_function::param_used_p): Likewise.
13157 * ipa-modref.c (compute_parm_map): Likewise.
13158 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
13160 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
13161 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
13163 * ipa-profile.c (check_argument_count): Likewise.
13164 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
13165 with a direct use of ipa_node_params_sum.
13166 (ipa_initialize_node_params): Likewise.
13167 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
13168 direct use of ipa_edge_args_sum and reused the query result.
13169 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
13170 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
13171 direct use of ipa_edge_args_sum.
13172 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
13173 ipa_node_params_sum and reused the result of the query.
13174 (ipa_analyze_node): Likewise.
13175 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
13176 of ipa_node_params_sum.
13177 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
13178 direct uses of ipa_edge_args_sum.
13179 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
13180 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
13181 direct use of ipa_edge_args_sum. Removed superficial re-querying the
13183 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
13184 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
13186 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
13187 direct use of ipa_edge_args_sum.
13188 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
13189 use of ipa_node_params_sum.
13190 (ipa_print_node_params): Likewise.
13191 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
13192 direct uses of ipa_edge_args_sum.
13193 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
13195 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
13196 ipa_node_params_sum.
13197 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
13198 scopes where it is used.
13200 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
13202 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
13203 <case E_V2SImode>: Force op_true to register.
13205 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
13207 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
13208 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
13209 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
13211 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
13212 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
13213 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
13214 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
13215 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
13216 (mve_vcmpneq_n_f<mode>): Remove.
13217 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
13218 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
13219 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
13221 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
13223 * config/arm/iterators.md (MVE_COMPARISONS): New.
13225 (mve_cmp_type): New.
13226 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
13228 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
13229 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
13230 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
13231 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
13232 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
13233 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
13234 (mve_vcmpneq_n_<mode>): Remove.
13236 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
13238 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
13239 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
13240 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
13243 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
13245 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
13246 (vcmpneq_n_u): Likewise.
13247 (vcmpeqq_u,): Likewise.
13248 (vcmpeqq_n_u): Likewise.
13249 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
13250 VCMPEQQ_N_U and VCMPNEQ_N_U.
13251 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
13252 (mve_vcmpeqq_n): Likewise.
13253 (mve_vcmpeqq): Likewise.
13254 (mve_vcmpneq_n): Likewise.
13256 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
13258 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
13259 the 's' version of the builtin.
13261 2021-05-10 Richard Biener <rguenther@suse.de>
13263 PR tree-optimization/100492
13264 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
13265 Find nothing when the loop contains an irreducible region.
13267 2021-05-10 Richard Biener <rguenther@suse.de>
13269 PR middle-end/100464
13271 * gimple-fold.c (canonicalize_constructor_val): Do not set
13274 2021-05-10 Richard Biener <rguenther@suse.de>
13276 PR tree-optimization/100434
13277 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
13279 (dse_optimize_stmt): Handle call LHS by dropping the
13280 LHS or the whole call if it doesn't have other
13282 (pass_dse::execute): Adjust.
13284 2021-05-10 Martin Liska <mliska@suse.cz>
13286 * Makefile.in: Add missing genversion rule.
13288 2021-05-10 Alex Coplan <alex.coplan@arm.com>
13291 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
13292 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
13294 2021-05-10 Martin Liska <mliska@suse.cz>
13296 * builtins.c (is_builtin_name): Use startswith
13297 function instead of strncmp.
13298 * collect2.c (main): Likewise.
13299 (has_lto_section): Likewise.
13300 (scan_libraries): Likewise.
13301 * coverage.c (coverage_checksum_string): Likewise.
13302 (coverage_init): Likewise.
13303 * dwarf2out.c (is_cxx): Likewise.
13304 (gen_compile_unit_die): Likewise.
13305 * gcc-ar.c (main): Likewise.
13306 * gcc.c (init_spec): Likewise.
13307 (read_specs): Likewise.
13308 (execute): Likewise.
13309 (check_live_switch): Likewise.
13310 * genattrtab.c (write_attr_case): Likewise.
13311 (IS_ATTR_GROUP): Likewise.
13312 * gencfn-macros.c (main): Likewise.
13313 * gengtype.c (type_for_name): Likewise.
13314 (gen_rtx_next): Likewise.
13315 (get_file_langdir): Likewise.
13316 (write_local): Likewise.
13317 * genmatch.c (get_operator): Likewise.
13318 (get_operand_type): Likewise.
13319 (expr::gen_transform): Likewise.
13320 * genoutput.c (validate_optab_operands): Likewise.
13321 * incpath.c (add_sysroot_to_chain): Likewise.
13322 * langhooks.c (lang_GNU_C): Likewise.
13323 (lang_GNU_CXX): Likewise.
13324 (lang_GNU_Fortran): Likewise.
13325 (lang_GNU_OBJC): Likewise.
13326 * lto-wrapper.c (run_gcc): Likewise.
13327 * omp-general.c (omp_max_simt_vf): Likewise.
13328 * omp-low.c (omp_runtime_api_call): Likewise.
13329 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
13330 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
13331 * real.c (real_from_string): Likewise.
13332 * selftest.c (assert_str_startswith): Likewise.
13333 * timevar.c (timer::validate_phases): Likewise.
13334 * tree.c (get_file_function_name): Likewise.
13335 * ubsan.c (ubsan_use_new_style_p): Likewise.
13336 * varasm.c (default_function_rodata_section): Likewise.
13337 (incorporeal_function_p): Likewise.
13338 (default_section_type_flags): Likewise.
13339 * system.h (startswith): Define startswith.
13341 2021-05-10 Martin Liska <mliska@suse.cz>
13343 * bitmap.h (class auto_bitmap): Remove
13344 __cplusplus >= 201103.
13345 * config/aarch64/aarch64.c: Likewise.
13346 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
13348 * sbitmap.h: Likewise.
13350 2021-05-10 Martin Liska <mliska@suse.cz>
13352 * Makefile.in: Rename gcov-iov to genversion and depend
13353 on version.h (instead of gcov-iov.h).
13354 * gcov-io.h: Include version.h instread of gcov-iov.h.
13355 * gengtype-state.c (read_state_version): Likewise.
13356 * gcov-iov.c: Moved to...
13357 * genversion.c: ...here.
13358 * lto-streamer.h (LTO_major_version): Define it with
13360 * version.c: Removed.
13361 * version.h: Removed.
13363 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
13365 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
13366 * config/arc/simdext.md (VCT): Add predicates for iterator
13369 (voptab): Likewise.
13370 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
13371 (<voptab>v2si3): New patterns.
13373 (reduc_plus_scal_v4hi): Likewise.
13374 (reduc_plus_scal_v2si): Likewise.
13375 (vec_duplicatev2si): Likewise.
13376 (vec_duplicatev4hi): Likewise.
13378 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
13380 * config/arc/simdext.md: Format and cleanup file.
13382 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
13384 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
13385 only when munaligned-access option is on.
13386 (movmisalign<mode>): Likewise.
13388 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
13390 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
13392 * config/arc/arc.c (arc_reorg): Remove underscore from string.
13394 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
13396 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
13397 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
13398 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
13399 (norm_f): Likewise.
13402 (clzsi2): Use fls instruction when available.
13403 (arc_clzsi2): Likewise.
13405 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
13407 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
13409 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
13411 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
13413 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
13415 PR middle-end/100467
13416 * toplev.c (compile_file): Call insn_locations_init before
13417 targetm.asm_out.code_end.
13419 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
13422 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
13424 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
13426 2021-05-07 Jakub Jelinek <jakub@redhat.com>
13427 Andrew Stubbs <amd@codesourcery.com>
13430 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
13431 emit_move_insn operands.
13433 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
13435 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
13436 location for the outgoing edges of an empty block.
13437 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
13438 type by means of the get_array_descr_info langhook, if it is set and
13439 returns true. Remove obsolete code dealing with unnamed subtypes.
13441 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
13443 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
13444 (sbr_vector): Renamed from ssa_block_cache.
13445 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
13446 (ssa_block_ranges::~ssa_block_ranges): Remove.
13447 (sbr_vector::set_bb_range): Use varying and undefined cached values.
13448 (ssa_block_ranges::set_bb_varying): Remove.
13449 (sbr_vector::get_bb_range): Adjust assert.
13450 (sbr_vector::bb_range_p): Adjust assert.
13451 (~block_range_cache): No freeing loop required.
13452 (block_range_cache::get_block_ranges): Remove.
13453 (block_range_cache::set_bb_range): Inline get_block_ranges.
13454 (block_range_cache::set_bb_varying): Remove.
13455 * gimple-range-cache.h (set_bb_varying): Remove prototype.
13456 * value-range.h (irange_allocator::get_memory): New.
13458 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
13460 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
13461 dominator tree is available and requested.
13462 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
13463 (ranger_cache::fill_block_cache): Don't search dom tree here either.
13464 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
13466 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
13468 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
13469 only PHI nodes better.
13471 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
13473 * gimple-range-edge.h (gimple_outgoing_range): Rename from
13475 (gcond_edge_range): Export prototype.
13476 * gimple-range-edge.cc (gcond_edge_range): New.
13477 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
13478 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
13480 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
13482 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
13483 default range into a temp and allocate only what is needed.
13485 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
13487 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
13489 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
13491 * gimple-range.h (gimple_range_global): Pick up parameter initial
13492 values, and use-before defined locals are UNDEFINED.
13494 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
13496 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
13498 * tree.h (reverse_storage_order_for_component_p): Return false if
13499 the type is a pointer.
13501 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
13503 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
13505 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
13508 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
13509 Handle V8QI, V4HI and V2SI modes.
13510 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
13511 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
13512 * config/i386/i386.md (unspec): ... here.
13514 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
13515 Tom de Vries <tdevries@suse.de>
13517 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
13518 a truth_value_p reduction variable is nonintegral.
13520 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
13523 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
13524 Return false for mode sizes < 16.
13526 2021-05-07 Jakub Jelinek <jakub@redhat.com>
13529 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
13531 2021-05-06 Martin Jambor <mjambor@suse.cz>
13533 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
13534 when there is no function summary.
13535 (ipa_sra_summarize_function): produce edge summaries even when
13538 2021-05-06 Tom Tromey <tom@tromey.com>
13540 * godump.c (string_hash_eq): Remove.
13541 (go_finish): Use htab_eq_string.
13543 2021-05-06 Tom Tromey <tom@tromey.com>
13545 * gengtype-state.c (read_state): Use htab_eq_string.
13546 (string_eq): Remove.
13548 2021-05-06 Tom Tromey <tom@tromey.com>
13550 * gensupport.c (htab_eq_string): Remove.
13552 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
13555 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
13556 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
13557 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
13558 set_ignored_loc callbacks.
13559 * debug.c (do_nothing_debug_hooks): Likewise.
13560 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
13561 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
13562 (in_text_section_p, last_text_label, last_cold_label,
13563 switch_text_ranges, switch_cold_ranges): New data items.
13564 (dwarf2out_note_section_used): Remove.
13565 (dwarf2out_begin_prologue): Set fde->ignored_debug and
13567 (mark_ignored_debug_section): New helper function.
13568 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
13569 mark_ignored_debug_section.
13570 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
13571 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
13572 (size_of_aranges): Adjust formula for multi-part text ranges size.
13573 (output_aranges): Output multi-part text ranges.
13574 (dwarf2out_set_ignored_loc): New callback function.
13575 (dwarf2out_finish): Output multi-part text ranges.
13576 (dwarf2out_c_finalize): Clear new data items.
13577 * final.c (final_start_function_1): Call set_ignored_loc callback.
13578 (final_scan_insn_1): Likewise.
13579 * ggc-page.c (gt_ggc_mx): New helper function.
13580 * stringpool.c (gt_pch_nx): Likewise.
13582 2021-05-06 Richard Biener <rguenther@suse.de>
13584 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
13585 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
13586 (TV_TREE_INTO_SSA): New.
13587 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
13588 (rewrite_blocks): Likewise.
13589 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
13591 2021-05-06 Jakub Jelinek <jakub@redhat.com>
13593 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
13594 abs_replacement, xor_replacement,
13595 cond_removal_in_popcount_clz_ctz_pattern,
13596 replace_phi_edge_with_variable): Change type of phi argument from
13597 gimple * to gphi *.
13599 2021-05-06 Richard Biener <rguenther@suse.de>
13601 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
13602 Output an opt-info message.
13603 (do_split_loop_on_cond): Likewise.
13604 (tree_ssa_split_loops): Update SSA form here.
13606 2021-05-06 Richard Biener <rguenther@suse.de>
13608 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
13609 return variable removal.
13611 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
13613 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
13614 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
13615 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
13617 * config/s390/s390.c (s390_const_operand_ok): Remove unused
13620 2021-05-06 Jakub Jelinek <jakub@redhat.com>
13622 PR tree-optimization/94589
13623 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
13624 spaceship_replacement.
13625 (cond_only_block_p, spaceship_replacement): New functions.
13627 2021-05-06 Richard Biener <rguenther@suse.de>
13630 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
13631 dealing with a debug use and only query existing addresses
13633 (lower_emutls_1): Avoid splitting out addresses for debug
13634 stmts, reset the debug stmt when we fail to find existing
13636 (lower_emutls_phi_arg): Set wi.stmt.
13638 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
13641 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
13642 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
13643 (stack_protect_test): Use cbranch helper.
13645 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
13648 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
13649 always return the establisher frame for __builtin_frame_address (0).
13651 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
13654 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
13655 (ix86_cpu_model_var): Likewise.
13656 (ix86_cpu_features2_type_node): Likewise.
13657 (ix86_cpu_features2_var): Likewise.
13658 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
13661 2021-05-05 Martin Sebor <msebor@redhat.com>
13663 * passes.def (pass_warn_printf): Run after SSA.
13665 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
13667 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
13668 * config/arm/predicates.md (minus_one_operand): New predicate.
13670 2021-05-05 Jeff Law <jlaw@tachyum.com>
13672 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
13674 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
13676 PR rtl-optimization/100263
13677 * postreload.c (move2add_valid_value_p): Ensure register can
13680 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
13682 PR rtl-optimization/100411
13683 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
13684 and beginning of function markers.
13686 2021-05-05 Jeff Law <jlaw@tachyum.com>
13688 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
13689 * config/cr16/cr16.c (notice_update_cc): Remove.
13690 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
13692 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
13695 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
13696 Handle V8QI, V4HI and V2SI modes.
13697 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
13698 (ix86_build_signbit_mask): Ditto.
13699 * config/i386/mmx.md (MMXMODE14): New mode iterator.
13700 (<smaxmin:code><MMXMODE14:mode>3): New expander.
13701 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
13702 (<umaxmin:code><MMXMODE24:mode>3): New expander.
13703 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
13704 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
13705 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
13706 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
13707 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
13708 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
13710 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
13712 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
13713 not expand the VALUE_EXPR of variables put in the non-local frame.
13714 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
13715 to be ignored for debug info, ensure its variable offsets are not.
13717 2021-05-05 Richard Biener <rguenther@suse.de>
13719 PR tree-optimization/79333
13720 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
13721 Fold stmt following SSA edges.
13723 2021-05-05 Richard Biener <rguenther@suse.de>
13725 PR middle-end/100394
13726 * calls.c (expand_call): Preserve possibly throwing calls.
13727 * cfgexpand.c (expand_call_stmt): When a call can throw signal
13728 RTL expansion there are side-effects.
13729 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
13730 mark all possibly throwing stmts necessary unless we can elide
13732 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
13733 -fdelete-dead-exceptions.
13734 * tree.h (DECL_PURE_P): Add note about exceptions.
13736 2021-05-05 Alexandre Oliva <oliva@adacore.com>
13738 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
13741 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
13743 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
13744 get_fnname_from_decl for name of thunk.
13745 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
13746 and ASM_OUTPUT_LABEL.
13747 (rs6000_xcoff_declare_function_name): Use assemble_name and
13749 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
13750 (rs6000_xcoff_encode_section_info): Don't add mapping class
13751 for aliases. Always add [DS] mapping class to primary
13753 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
13755 2021-05-04 Martin Sebor <msebor@redhat.com>
13757 PR middle-end/100307
13758 * builtins.c (compute_objsize_r): Clear base0 for pointers.
13760 2021-05-04 Jeff Law <jlaw@tachyum.com>
13762 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
13764 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
13766 * caller-save.c: Remove CC0.
13767 * cfgcleanup.c: Remove CC0.
13768 * cfgrtl.c: Remove CC0.
13769 * combine.c: Remove CC0.
13770 * compare-elim.c: Remove CC0.
13771 * conditions.h: Remove CC0.
13772 * config/h8300/h8300.h: Remove CC0.
13773 * config/h8300/h8300-protos.h: Remove CC0.
13774 * config/h8300/peepholes.md: Remove CC0.
13775 * config/i386/x86-tune-sched.c: Remove CC0.
13776 * config/m68k/m68k.c: Remove CC0.
13777 * config/rl78/rl78.c: Remove CC0.
13778 * config/sparc/sparc.c: Remove CC0.
13779 * config/xtensa/xtensa.c: Remove CC0.
13780 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
13781 RTL where that is used as a placeholder only.
13782 * cprop.c: Remove CC0.
13783 * cse.c: Remove CC0.
13784 * cselib.c: Remove CC0.
13785 * df-problems.c: Remove CC0.
13786 * df-scan.c: Remove CC0.
13787 * doc/md.texi: Remove CC0. Adjust an example.
13788 * doc/rtl.texi: Remove CC0. Adjust an example.
13789 * doc/tm.texi: Regenerate.
13790 * doc/tm.texi.in: Remove CC0.
13791 * emit-rtl.c: Remove CC0.
13792 * final.c: Remove CC0.
13793 * fwprop.c: Remove CC0.
13794 * gcse-common.c: Remove CC0.
13795 * gcse.c: Remove CC0.
13796 * genattrtab.c: Remove CC0.
13797 * genconfig.c: Remove CC0.
13798 * genemit.c: Remove CC0.
13799 * genextract.c: Remove CC0.
13800 * gengenrtl.c: Remove CC0.
13801 * genrecog.c: Remove CC0.
13802 * haifa-sched.c: Remove CC0.
13803 * ifcvt.c: Remove CC0.
13804 * ira-costs.c: Remove CC0.
13805 * ira.c: Remove CC0.
13806 * jump.c: Remove CC0.
13807 * loop-invariant.c: Remove CC0.
13808 * lra-constraints.c: Remove CC0.
13809 * lra-eliminations.c: Remove CC0.
13810 * optabs.c: Remove CC0.
13811 * postreload-gcse.c: Remove CC0.
13812 * postreload.c: Remove CC0.
13813 * print-rtl.c: Remove CC0.
13814 * read-rtl-function.c: Remove CC0.
13815 * reg-notes.def: Remove CC0.
13816 * reg-stack.c: Remove CC0.
13817 * reginfo.c: Remove CC0.
13818 * regrename.c: Remove CC0.
13819 * reload.c: Remove CC0.
13820 * reload1.c: Remove CC0.
13821 * reorg.c: Remove CC0.
13822 * resource.c: Remove CC0.
13823 * rtl.c: Remove CC0.
13824 * rtl.def: Remove CC0.
13825 * rtl.h: Remove CC0.
13826 * rtlanal.c: Remove CC0.
13827 * sched-deps.c: Remove CC0.
13828 * sched-rgn.c: Remove CC0.
13829 * shrink-wrap.c: Remove CC0.
13830 * simplify-rtx.c: Remove CC0.
13831 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
13832 CC_STATUS_MDEP, and CC_STATUS.
13833 * target.def: Remove CC0.
13834 * valtrack.c: Remove CC0.
13835 * var-tracking.c: Remove CC0.
13837 2021-05-04 Richard Biener <rguenther@suse.de>
13839 PR tree-optimization/100414
13840 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
13842 (tree_ssa_phiopt_worker): But unconditionally here.
13844 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
13846 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
13847 && and || with floating-point and complex arguments.
13849 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
13851 * tree-inline.c (insert_debug_decl_map): Delete.
13852 (copy_debug_stmt): Minor tweak.
13853 (setup_one_parameter): Do not use a variable if the value is either
13854 a read-only DECL or a non-addressable local variable in the caller.
13855 In this case, insert the debug-only variable in the map manually.
13856 (expand_call_inline): Do not generate a CLOBBER for these values.
13857 * tree-inline.h (debug_map): Minor tweak.
13859 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
13861 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
13862 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
13864 2021-05-04 Richard Biener <rguenther@suse.de>
13866 PR tree-optimization/100329
13867 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
13869 (insert_stmt_after): Assert we're not running into asm goto.
13871 2021-05-04 Richard Biener <rguenther@suse.de>
13873 PR tree-optimization/100398
13874 * tree-ssa-dse.c (pass_dse::execute): Preserve control
13877 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
13879 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
13881 2021-05-04 Alexandre Oliva <oliva@adacore.com>
13883 * builtins.c (try_store_by_multiple_pieces): New.
13884 (expand_builtin_memset_args): Use it. If target_char_cast
13885 fails, proceed as for non-constant val. Pass len's ctz to...
13886 * expr.c (clear_storage_hints): ... this. Try store by
13887 multiple pieces after setmem.
13888 (clear_storage): Adjust.
13889 * expr.h (clear_storage_hints): Likewise.
13890 (try_store_by_multiple_pieces): Declare.
13891 * passes.def: Replace the last copy_prop with ccp.
13893 2021-05-03 Tom de Vries <tdevries@suse.de>
13896 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
13899 2021-05-03 Richard Biener <rguenther@suse.de>
13901 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
13903 2021-05-03 Richard Biener <rguenther@suse.de>
13905 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
13906 (dse_dom_walker): Remove.
13907 (dse_dom_walker::dse_optimize_stmt): Rename...
13908 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
13909 (dse_dom_walker::before_dom_children): Inline ...
13910 (pass_dse::execute): ... here. Perform a reverse program
13913 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
13916 * configure: Regenerated.
13918 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
13921 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
13922 (s390_md_asm_adjust): Handle hard registers.
13924 2021-05-03 Jakub Jelinek <jakub@redhat.com>
13926 PR tree-optimization/100382
13927 * tree-ssa-dse.c: Include tree-eh.h.
13928 (dse_dom_walker::before_dom_children): Don't remove stmts if
13929 stmt_unremovable_because_of_non_call_eh_p is true.
13931 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
13933 * varasm.c (compute_reloc_for_var): Split out from...
13934 (get_variable_section): Use it.
13935 * output.h (compute_reloc_for_var): Declare.
13936 * config/rs6000/rs6000-protos.h
13937 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
13939 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
13940 Don't append storage mapping class to symbol.
13941 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
13942 Don't convert TLS BSS to common.
13943 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
13944 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
13946 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
13948 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
13949 If align is 0 from TLS class, use the same rules as varasm.c
13950 If not common, switch to BSS section manually.
13951 If common, emit appropriate comm or lcomm directive.
13952 (rs6000_xcoff_encode_section_info): Add logic to append all
13953 storage mapping classes.
13954 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
13955 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
13956 rs6000_xcoff_asm_output_aligned_decl_common.
13957 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
13958 rs6000_xcoff_asm_output_aligned_decl_common.
13959 (ASM_OUTPUT_TLS_COMMON): Use
13960 rs6000_xcoff_asm_output_aligned_decl_common.
13962 2021-05-02 Jakub Jelinek <jakub@redhat.com>
13965 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
13966 as first argument of pseudo_node_t constructors.
13968 2021-05-02 Jakub Jelinek <jakub@redhat.com>
13971 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
13973 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
13975 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
13976 (gt_pch_nx (int_range<1> *&)): New.
13977 (gt_ggc_mx (int_range<1> *&)): New.
13978 * value-range.h (class irange): Add GTY support for
13981 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
13983 * doc/options.texi (Negative): Change either or to both and.
13985 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
13987 * config/aarch64/aarch64-simd-builtins.def: Add
13988 float_ml[as][q]_laneq builtin generator macros.
13989 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
13990 (aarch64_float_mla_laneq<mode>): Define.
13991 (aarch64_float_mls_laneq<mode>): Define.
13992 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
13993 instead of GCC vector extensions.
13994 (vmlaq_laneq_f32): Likewise.
13995 (vmls_laneq_f32): Likewise.
13996 (vmlsq_laneq_f32): Likewise.
13998 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
14000 * config/aarch64/aarch64-simd-builtins.def: Add
14001 float_ml[as]_lane builtin generator macros.
14002 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
14004 (mul_lane<mode>3): This, and re-order arguments.
14005 (aarch64_float_mla_lane<mode>): Define.
14006 (aarch64_float_mls_lane<mode>): Define.
14007 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
14008 instead of GCC vector extensions.
14009 (vmlaq_lane_f32): Likewise.
14010 (vmls_lane_f32): Likewise.
14011 (vmlsq_lane_f32): Likewise.
14013 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
14015 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
14016 builtin generator macros.
14017 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
14019 (aarch64_float_mls<mode>): Define.
14020 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
14021 instead of relying on GCC vector extensions.
14022 (vmla_f64): Likewise.
14023 (vmlaq_f32): Likewise.
14024 (vmlaq_f64): Likewise.
14025 (vmls_f32): Likewise.
14026 (vmls_f64): Likewise.
14027 (vmlsq_f32): Likewise.
14028 (vmlsq_f64): Likewise.
14029 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
14031 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
14033 * config/aarch64/aarch64-simd-builtins.def: Add
14034 float_ml[as]_n_builtin generator macros.
14035 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
14037 (mul_n<mode>3): This, and re-order arguments.
14038 (aarch64_float_mla_n<mode>): Define.
14039 (aarch64_float_mls_n<mode>): Define.
14040 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
14041 instead of inline asm.
14042 (vmlaq_n_f32): Likewise.
14043 (vmls_n_f32): Likewise.
14044 (vmlsq_n_f32): Likewise.
14046 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
14048 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
14049 builtin generator macros.
14050 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
14051 (aarch64_pmull_hiv16qi_insn): Define.
14052 (aarch64_pmull_hiv16qi): Define.
14053 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
14054 instead of inline asm.
14055 (vmull_p8): Likewise.
14057 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
14059 * config/avr/avr.md: Adjust peepholes to match and
14060 generate parallels with clobber of REG_CC.
14061 (mov<mode>_insn): Rename to mov<mode>_insn_split.
14062 (*mov<mode>_insn): Rename to mov<mode>_insn.
14064 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
14066 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
14067 for VAR_DECLs if -fdata-sections enabled.
14069 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
14071 PR bootstrap/100327
14072 * config/rs6000/rs6000.c
14073 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
14074 (rs6000_libgcc_floating_mode_supported_p): New target hook.
14076 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
14078 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
14080 (class back_threader_registry): ...to here...
14081 (class back_threader_profitability): ...and here...
14082 (thread_jumps::thread_through_all_blocks): Remove argument.
14083 (back_threader_registry::back_threader_registry): New.
14084 (back_threader_registry::~back_threader_registry): New.
14085 (back_threader_registry::thread_through_all_blocks): New.
14086 (thread_jumps::profitable_jump_thread_path): Move from here...
14087 (back_threader_profitability::profitable_path_p): ...to here.
14088 (thread_jumps::find_taken_edge): New.
14089 (thread_jumps::convert_and_register_current_path): Move...
14090 (back_threader_registry::register_path): ...to here.
14091 (thread_jumps::register_jump_thread_path_if_profitable): Move...
14092 (thread_jumps::maybe_register_path): ...to here.
14093 (thread_jumps::handle_phi): Call find_taken_edge and
14094 maybe_register_path.
14095 (thread_jumps::handle_assignment): Same.
14096 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
14097 tree argument to handle_phi and handle_assignment.
14098 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
14099 set of m_speed_p and m_max_threaded_paths.
14100 (pass_thread_jumps::execute): Remove second argument from
14101 find_jump_threads_backwards.
14102 (pass_early_thread_jumps::execute): Same.
14104 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
14106 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
14107 (class dom_opt_dom_walker): Initialize some class variables.
14108 (pass_dominator::execute): Pass evrp_range_analyzer and
14109 dom_jump_threader_simplifier to dom_opt_dom_walker.
14110 Adjust for some functions moving into classes.
14111 (simplify_stmt_for_jump_threading): Adjust and move to...
14112 (jump_threader_simplifier::simplify): ...here.
14113 (dom_opt_dom_walker::before_dom_children): Adjust for
14114 m_evrp_range_analyzer.
14115 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
14116 (test_for_singularity): Place in dom_opt_dom_walker class.
14117 (dom_opt_dom_walker::optimize_stmt): The argument
14118 evrp_range_analyzer is now a class field.
14119 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
14120 (thread_jumps::thread_through_all_blocks): New.
14121 (thread_jumps::convert_and_register_current_path): Use m_registry.
14122 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
14123 being in the threader class.
14124 (pass_early_thread_jumps::execute): Same.
14125 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
14126 (jump_threader::jump_threader): ...here.
14127 (threadedge_finalize_values): Move...
14128 (jump_threader::~jump_threader): ...here.
14129 (jump_threader::remove_jump_threads_including): New.
14130 (jump_threader::thread_through_all_blocks): New.
14131 (record_temporary_equivalences_from_phis): Move...
14132 (jump_threader::record_temporary_equivalences_from_phis): ...here.
14133 (record_temporary_equivalences_from_stmts_at_dest): Move...
14134 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
14136 (simplify_control_stmt_condition_1): Move to jump_threader class.
14137 (simplify_control_stmt_condition): Move...
14138 (jump_threader::simplify_control_stmt_condition): ...here.
14139 (thread_around_empty_blocks): Move...
14140 (jump_threader::thread_around_empty_blocks): ...here.
14141 (thread_through_normal_block): Move...
14142 (jump_threader::thread_through_normal_block): ...here.
14143 (thread_across_edge): Move...
14144 (jump_threader::thread_across_edge): ...here.
14145 (thread_outgoing_edges): Move...
14146 (jump_threader::thread_outgoing_edges): ...here.
14147 * tree-ssa-threadedge.h: Move externally facing functings...
14148 (class jump_threader): ...here...
14149 (class jump_threader_simplifier): ...and here.
14150 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
14151 (jump_thread_path_allocator::jump_thread_path_allocator): New.
14152 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
14153 (jump_thread_path_allocator::allocate_thread_edge): New.
14154 (jump_thread_path_allocator::allocate_thread_path): New.
14155 (jump_thread_path_registry::jump_thread_path_registry): New.
14156 (jump_thread_path_registry::~jump_thread_path_registry): New.
14157 (jump_thread_path_registry::allocate_thread_edge): New.
14158 (jump_thread_path_registry::allocate_thread_path): New.
14159 (dump_jump_thread_path): Make extern.
14160 (debug (const vec<jump_thread_edge *> &path)): New.
14161 (struct removed_edges): Move to tree-ssa-threadupdate.h.
14162 (struct thread_stats_d): Remove.
14163 (remove_ctrl_stmt_and_useless_edges): Make static.
14164 (lookup_redirection_data): Move...
14165 (jump_thread_path_registry::lookup_redirection_data): ...here.
14166 (ssa_redirect_edges): Make static.
14167 (thread_block_1): Move...
14168 (jump_thread_path_registry::thread_block_1): ...here.
14169 (thread_block): Move...
14170 (jump_thread_path_registry::thread_block): ...here.
14171 (thread_through_loop_header): Move...
14172 (jump_thread_path_registry::thread_through_loop_header): ...here.
14173 (mark_threaded_blocks): Move...
14174 (jump_thread_path_registry::mark_threaded_blocks): ...here.
14175 (debug_path): Move...
14176 (jump_thread_path_registry::debug_path): ...here.
14177 (debug_all_paths): Move...
14178 (jump_thread_path_registry::dump): ..here.
14179 (rewire_first_differing_edge): Move...
14180 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
14181 (adjust_paths_after_duplication): Move...
14182 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
14183 (duplicate_thread_path): Move...
14184 (jump_thread_path_registry::duplicate_thread_path): ..here.
14185 (remove_jump_threads_including): Move...
14186 (jump_thread_path_registry::remove_jump_threads_including): ...here.
14187 (thread_through_all_blocks): Move to...
14188 (jump_thread_path_registry::thread_through_all_blocks): ...here.
14189 (delete_jump_thread_path): Remove.
14190 (register_jump_thread): Move...
14191 (jump_thread_path_registry::register_jump_thread): ...here.
14192 * tree-ssa-threadupdate.h: Move externally facing functions...
14193 (class jump_thread_path_allocator): ...here...
14194 (class jump_thread_path_registry): ...and here.
14195 (thread_through_all_blocks): Remove.
14196 (struct removed_edges): New.
14197 (register_jump_thread): Remove.
14198 (remove_jump_threads_including): Remove.
14199 (delete_jump_thread_path): Remove.
14200 (remove_ctrl_stmt_and_useless_edges): Remove.
14201 (free_dom_edge_info): New prototype.
14202 * tree-vrp.c: Remove x_vr_values hack.
14203 (class vrp_jump_threader_simplifier): New.
14204 (vrp_jump_threader_simplifier::simplify): New.
14205 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
14206 Remove m_dummy_cond.
14207 Instantiate m_simplifier and m_threader.
14208 (vrp_jump_threader::thread_through_all_blocks): New.
14209 (vrp_jump_threader::simplify_stmt): Remove.
14210 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
14211 Remove x_vr_values hack.
14212 (execute_vrp): Adjust for thread_through_all_blocks being in a
14215 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
14217 * genflags.c (gen_insn): Print failed expansion string.
14219 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
14221 * expr.c (alignment_for_piecewise_move): Call mode_for_size
14222 without limit to MAX_FIXED_MODE_SIZE.
14224 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
14226 PR middle-end/90773
14227 * builtins.c (builtin_memset_gen_str): Don't use return from
14228 simplify_gen_subreg.
14230 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
14233 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
14234 (*addsi3_carry_zext_0r): Ditto.
14235 (*sub<mode>3_carry_0): Ditto.
14236 (*subsi3_carry_zext_0r): Ditto.
14237 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
14239 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
14240 Also consider ix86_carry_flag_unset_operator to calculate
14241 the cost of adc/sbb insn.
14243 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
14245 PR rtl-optimization/100225
14246 PR rtl-optimization/84878
14247 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
14248 where we have an instruction which touches (writes) any hard
14249 register from df->regular_block_artificial_uses set.
14250 Allow not-single-set instruction only right before basic block
14253 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
14255 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
14257 2021-04-30 LevyHsu <admin@levyhsu.com>
14259 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
14260 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
14261 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
14262 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
14264 2021-04-29 Alexandre Oliva <oliva@adacore.com>
14266 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
14268 2021-04-29 Alexandre Oliva <oliva@adacore.com>
14270 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
14271 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
14272 * config/i386/i386.c: Adjust.
14273 * config/i386/i386.md: Adjust.
14274 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
14275 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14276 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14277 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14278 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14279 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14280 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14281 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14282 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14283 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
14284 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
14286 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
14288 * config/i386/i386-expand.c (ix86_expand_int_compare):
14289 Swap operands of GTU and LEU comparison to emit carry flag comparison.
14290 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
14291 predicate to allow more combine opportunities with memory operands.
14292 (*sub<mode>3_carry_0): Ditto.
14294 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
14296 PR rtl-optimization/100303
14297 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
14298 boolean that indicates whether the use will only be used in
14299 debug instructions. Treat it in the same way that existing
14300 cross-EBB debug references would be handled if so.
14301 (function_info::make_uses_available): Likewise.
14302 * rtl-ssa/functions.h (function_info::make_uses_available): Update
14303 prototype accordingly.
14304 (function_info::make_uses_available): Likewise.
14305 * fwprop.c (try_fwprop_subst): Update call accordingly.
14307 2021-04-29 Jeff Law <jlaw@tachyum.com>
14309 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
14312 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
14313 Richard Biener <rguenther@suse.de>
14316 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
14317 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
14318 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
14319 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
14320 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
14321 to PURE_ARGS category.
14322 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
14323 Handle PURE_ARGS category.
14324 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
14326 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
14328 * configure.ac: Check for the presence of sys/locking.h header and
14329 for whether _LK_LOCK is supported by _locking.
14330 * configure: Regenerate.
14331 * config.in: Likewise.
14332 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
14333 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
14334 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
14336 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
14338 * config/i386/predicates.md (fcmov_comparison_operator):
14339 Do not check for trivial FP comparison operator.
14340 <case GEU, case LTU>: Allow CCGZmode.
14341 <case GTU, case LEU>: Do not allow CCCmode.
14342 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
14343 (ix86_carry_flag_operator): Match only LTU and UNLT code.
14344 Do not check for trivial FP comparison operator. Allow CCGZmode.
14346 2021-04-29 Tom de Vries <tdevries@suse.de>
14348 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
14349 fd->loop.step by either step or orig_step.
14351 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
14353 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
14354 (load_got_register): Do the PIC dance here.
14355 (sparc_legitimize_tls_address): Simplify.
14356 (sparc_emit_probe_stack_range): Likewise.
14357 (sparc32_initialize_trampoline): Likewise.
14358 (sparc64_initialize_trampoline): Likewise.
14359 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
14360 (probe_stack_range<P:mode>): Likewise.
14361 (flush<P:mode>): Likewise.
14362 (tgd_hi22<P:mode>): Likewise.
14363 (tgd_lo10<P:mode>): Likewise.
14364 (tgd_add<P:mode>): Likewise.
14365 (tgd_call<P:mode>): Likewise.
14366 (tldm_hi22<P:mode>): Likewise.
14367 (tldm_lo10<P:mode>): Likewise.
14368 (tldm_add<P:mode>): Likewise.
14369 (tldm_call<P:mode>): Likewise.
14370 (tldo_hix22<P:mode>): Likewise.
14371 (tldo_lox10<P:mode>): Likewise.
14372 (tldo_add<P:mode>): Likewise.
14373 (tie_hi22<P:mode>): Likewise.
14374 (tie_lo10<P:mode>): Likewise.
14375 (tie_add<P:mode>): Likewise.
14376 (tle_hix22<P:mode>): Likewise.
14377 (tle_lox10<P:mode>): Likewise.
14378 (stack_protect_setsi): Rename to...
14379 (stack_protect_set32): ...this.
14380 (stack_protect_setdi): Rename to...
14381 (stack_protect_set64): ...this.
14382 (stack_protect_set): Adjust calls to above.
14383 (stack_protect_testsi): Rename to...
14384 (stack_protect_test32): ...this.
14385 (stack_protect_testdi): Rename to...
14386 (stack_protect_test64): ...this.
14387 (stack_protect_test): Adjust calls to above.
14389 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
14391 PR middle-end/90773
14392 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
14393 (builtin_strncpy_read_str): Likewise.
14394 (builtin_memset_read_str): Add an argument for the previous RTL
14395 information and generate the new RTL from the previous RTL info.
14396 (builtin_memset_gen_str): Likewise.
14397 * builtins.h (builtin_strncpy_read_str): Update the prototype.
14398 (builtin_memset_read_str): Likewise.
14399 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
14400 returns true, round up size and alignment to the widest integer
14401 mode for maximum size.
14402 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
14403 and pass it to m_constfn.
14404 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
14405 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
14406 initialize m_push. Initialize m_overlap_op_by_pieces with
14407 targetm.overlap_op_by_pieces_p ().
14408 (op_by_pieces_d::run): Pass the previous RTL information to
14409 pieces_addr::adjust and generate overlapping operations if
14410 m_overlap_op_by_pieces is true.
14412 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
14414 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
14416 (can_store_by_pieces): Use by_pieces_constfn on constfun.
14417 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
14418 for op_by_pieces_d change.
14419 (clear_by_pieces_1): Add a dummy argument.
14420 (clear_by_pieces): Updated for op_by_pieces_d change.
14421 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
14422 (string_cst_read_str): Add a dummy argument.
14423 * expr.h (by_pieces_constfn): Add a dummy argument.
14424 (by_pieces_prev): New.
14425 * target.def (overlap_op_by_pieces_p): New target hook.
14426 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
14427 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
14428 * doc/tm.texi: Regenerated.
14430 2021-04-29 Richard Biener <rguenther@suse.de>
14432 PR tree-optimization/100253
14433 * tree-vect-stmts.c (vectorizable_load): Do not assume
14434 element alignment when DR_MISALIGNMENT is -1.
14435 (vectorizable_store): Likewise.
14437 2021-04-29 Jakub Jelinek <jakub@redhat.com>
14440 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
14441 absu_hwi instead of abs_hwi.
14443 2021-04-29 Richard Biener <rguenther@suse.de>
14445 PR middle-end/38474
14446 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
14447 forwarding when indirect forwarding through ESCAPED
14450 2021-04-29 Tom de Vries <tdevries@suse.de>
14453 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
14454 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
14455 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
14456 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
14458 2021-04-29 Richard Biener <rguenther@suse.de>
14460 PR tree-optimization/99912
14461 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
14462 (dse_dom_walker::todo): Likewise.
14463 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
14465 (dse_dom_walker::before_dom_children): Remove trivially
14466 dead SSA defs and schedule CFG cleanup if we removed all
14468 (pass_dse::execute): Get TODO as computed by the DOM walker
14469 and return it. Wipe dominator info earlier.
14471 2021-04-29 Richard Biener <rguenther@suse.de>
14474 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
14475 Track blocks to cleanup EH in new m_need_eh_cleanup.
14476 (ipcp_modif_dom_walker::cleanup_eh): New.
14477 (ipcp_transform_function): Release dominator info before
14480 2021-04-29 Martin Sebor <msebor@redhat.com>
14482 PR middle-end/100250
14483 * attribs.c (attr_access::array_as_string): Avoid dereferencing
14484 a pointer when it's null.
14486 2021-04-29 Martin Sebor <msebor@redhat.com>
14488 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
14489 * ipa-free-lang-data.cc: New file.
14490 * tree.c: Move pass free_lang_data to file above.
14491 (build_array_type_1): Declare extern.
14492 * tree.h (build_array_type_1): Declare.
14494 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14496 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
14497 make consistent with updated RTL pattern.
14498 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
14499 Implement using ss_truncate and us_truncate rather than
14501 * config/aarch64/iterators.md: Remove redundant unspecs and
14502 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
14504 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14506 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
14507 attributes consistent with those defined in arm_neon.h.
14509 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14511 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
14512 attributes consistent with those defined in arm_neon.h.
14514 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14516 * config/aarch64/aarch64-simd-builtins.def: Add
14517 float_trunc_rodd builtin generator macros.
14518 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
14520 (aarch64_float_trunc_rodd_lo_v2sf): Define.
14521 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
14522 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
14523 (aarch64_float_trunc_rodd_hi_v4sf): Define.
14524 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
14525 instead of inline asm.
14526 (vcvtx_high_f32_f64): Likewise.
14527 (vcvtxd_f32_f64): Likewise.
14528 * config/aarch64/iterators.md: Add FCVTXN unspec.
14530 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14532 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
14534 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
14536 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
14537 instead of inline asm.
14538 (vqtbx1_u8): Likewise.
14539 (vqtbx1_p8): Likewise.
14540 (vqtbx1q_s8): Likewise.
14541 (vqtbx1q_u8): Likewise.
14542 (vqtbx1q_p8): Likewise.
14543 (vtbx2_s8): Likewise.
14544 (vtbx2_u8): Likewise.
14545 (vtbx2_p8): Likewise.
14547 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14549 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
14551 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
14552 instead of inline asm.
14553 (vqtbl1_s8): Likewise.
14554 (vqtbl1_u8): Likewise.
14555 (vqtbl1q_p8): Likewise.
14556 (vqtbl1q_s8): Likewise.
14557 (vqtbl1q_u8): Likewise.
14558 (vtbl1_s8): Likewise.
14559 (vtbl1_u8): Likewise.
14560 (vtbl1_p8): Likewise.
14561 (vtbl2_s8): Likewise.
14562 (vtbl2_u8): Likewise.
14563 (vtbl2_p8): Likewise.
14565 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14567 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
14568 ssri_n buitin generator macro.
14569 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
14570 instead of inline asm.
14571 (vsri_n_p16): Likewise.
14572 (vsri_n_p64): Likewise.
14573 (vsriq_n_p8): Likewise.
14574 (vsriq_n_p16): Likewise.
14575 (vsriq_n_p64): Likewise.
14577 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14579 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
14580 iterator for polynomial ssli_n builtin generator macro.
14581 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
14582 instead of inline asm.
14583 (vsli_n_p16): Likewise.
14584 (vsliq_n_p8): Likewise.
14585 (vsliq_n_p16): Likewise.
14586 * config/aarch64/iterators.md: Define VALLP mode iterator.
14588 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14590 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
14591 iterator to generate [su]adalp RTL builtins.
14592 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
14593 [su]adalp RTL pattern.
14594 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
14595 instead of inline asm.
14596 (vpadal_u32): Likewise.
14598 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14600 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
14601 builtin generator macros.
14602 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
14604 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
14605 instead of inline asm.
14606 (vpaddl_s16): Likewise.
14607 (vpaddl_s32): Likewise.
14608 (vpaddl_u8): Likewise.
14609 (vpaddl_u16): Likewise.
14610 (vpaddl_u32): Likewise.
14611 (vpaddlq_s8): Likewise.
14612 (vpaddlq_s16): Likewise.
14613 (vpaddlq_s32): Likewise.
14614 (vpaddlq_u8): Likewise.
14615 (vpaddlq_u16): Likewise.
14616 (vpaddlq_u32): Liwewise.
14617 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
14618 appropriate attributes.
14620 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14622 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
14623 for aarch64_addp<mode> builtin macro generator.
14624 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
14625 aarch64_addp<mode> RTL pattern.
14626 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
14627 instead of inline asm.
14628 (vpaddq_s16): Likewise.
14629 (vpaddq_s32): Likewise.
14630 (vpaddq_s64): Likewise.
14631 (vpaddq_u8): Likewise.
14632 (vpaddq_u16): Likewise.
14633 (vpaddq_u32): Likewise.
14634 (vpaddq_u64): Likewise.
14636 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
14638 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
14639 builtin generator macros.
14640 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
14642 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
14643 instead of inline asm.
14644 (vqdmulh_n_s32): Likewise.
14645 (vqdmulhq_n_s16): Likewise.
14646 (vqdmulhq_n_s32): Likewise.
14647 (vqrdmulh_n_s16): Likewise.
14648 (vqrdmulh_n_s32): Likewise.
14649 (vqrdmulhq_n_s16): Likewise.
14650 (vqrdmulhq_n_s32): Likewise.
14652 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
14654 * doc/install.texi (--enable-offload-defaulted): Document.
14656 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
14658 * config/avr/avr-dimode.md: Turn existing patterns into
14659 define_insn_and_split style patterns where the splitter
14660 adds a clobber of the condition code register. Drop "cc"
14661 attribute. Add new patterns to match output of
14663 * config/avr/avr-fixed.md: Likewise.
14664 * config/avr/avr.c (cc_reg_rtx): New.
14665 (avr_parallel_insn_from_insns): Adjust insn count
14666 for removal of set of cc0.
14667 (avr_is_casesi_sequence): Likewise.
14668 (avr_casei_sequence_check_operands): Likewise.
14669 (avr_optimize_casesi): Likewise. Also insert
14670 new insns after jump_insn.
14671 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
14672 for removal of set of cc0.
14673 (avr_init_expanders): Initialize cc_reg_rtx.
14674 (avr_regno_reg_class): Handle REG_CC.
14675 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
14676 (avr_notice_update_cc): Remove function.
14677 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
14678 (compare_condition): Adjust for PARALLEL with
14680 (out_shift_with_cnt): Likewise.
14681 (ashlhi3_out): Likewise.
14682 (ashrhi3_out): Likewise.
14683 (lshrhi3_out): Likewise.
14684 (avr_class_max_nregs): Return single reg for REG_CC.
14685 (avr_compare_pattern): Check for REG_CC instead
14687 (avr_reorg_remove_redundant_compare): Likewise.
14688 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
14689 (avr_hard_regno_nregs): Return single reg for REG_CC.
14690 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
14691 (avr_md_asm_adjust): Clobber REG_CC.
14692 (TARGET_HARD_REGNO_NREGS): Define.
14693 (TARGET_CLASS_MAX_NREGS): Define.
14694 (TARGET_MD_ASM_ADJUST): Define.
14695 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
14697 (enum reg_class): Add CC_REG class.
14698 (NOTICE_UPDATE_CC): Remove.
14699 (CC_OVERFLOW_UNUSABLE): Remove.
14700 (CC_NO_CARRY): Remove.
14701 * config/avr/avr.md: Turn existing patterns into
14702 define_insn_and_split style patterns where the splitter
14703 adds a clobber of the condition code register. Drop "cc"
14704 attribute. Add new patterns to match output of
14706 (sez): Remove unused pattern.
14708 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
14711 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
14714 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
14717 * config/aarch64/constraints.md (Utq): Require the address to
14718 be valid for both the element mode and for V2DImode.
14720 2021-04-28 Jakub Jelinek <jakub@redhat.com>
14721 Tobias Burnus <tobias@codesourcery.com>
14723 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
14724 * gcc.c (process_command): New variable.
14725 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
14726 set it if -foffload is defaulted.
14727 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
14728 (compile_offload_image): If OFFLOAD_DEFAULTED and
14729 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
14730 if corresponding mkoffload can't be found.
14731 (compile_images_for_offload_targets): Likewise. Free and clear
14732 offload_names if no valid offload is found.
14733 * config.in: Regenerate.
14734 * configure: Regenerate.
14736 2021-04-28 Richard Biener <rguenther@suse.de>
14738 PR tree-optimization/100292
14739 * tree-vect-generic.c (expand_vector_condition): Do not fold
14742 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
14744 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
14745 * config/rs6000/aix64.opt (m64): New.
14748 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
14750 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
14751 (index_term_p): Handle ASHIFT too.
14753 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
14755 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
14756 (sync_lock_test_and_set<mode>): Adjust accordingly.
14757 (sync_lock_release<mode>): Likewise.
14759 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
14761 * config/vax/vax-protos.h (adjacent_operands_p): Remove
14763 * config/vax/vax.c (adjacent_operands_p): Remove.
14765 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
14767 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
14768 through to the non-conditional execution case if getting the
14769 condition for conditional execution has failed.
14771 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
14773 PR middle-end/100284
14774 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
14775 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
14776 than asserting on it.
14778 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
14780 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
14781 with TARGET_AIX_OS.
14783 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
14786 * calls.c (precompute_register_parameters): Additionally test
14787 targetm.precompute_tls_p to pre-compute argument.
14788 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
14789 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
14790 * target.def (precompute_tls_p): New.
14791 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
14792 * doc/tm.texi: Regenerated.
14794 2021-04-27 Jakub Jelinek <jakub@redhat.com>
14797 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
14798 back to HOST_WIDE_INT.
14800 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
14803 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
14804 memory alignment for the outer mode.
14806 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
14808 PR middle-end/90773
14809 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
14810 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
14812 2021-04-27 Alex Coplan <alex.coplan@arm.com>
14815 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
14816 with negative immediates: ensure we expand cbranchsi4_scratch
14817 correctly and ensure we satisfy its constraints.
14818 * config/arm/sync.md
14819 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
14820 attempt to tie two output operands together with constraints;
14821 collapse two alternatives.
14822 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
14823 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
14825 2021-04-27 Jakub Jelinek <jakub@redhat.com>
14828 * config/aarch64/predicates.md (aarch64_sub_immediate,
14829 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
14830 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
14831 * config/aarch64/aarch64.c (aarch64_print_operand,
14832 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
14834 2021-04-27 Jakub Jelinek <jakub@redhat.com>
14836 PR tree-optimization/100239
14837 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
14838 permutations with all indices from the first zero element as vec_shl.
14840 2021-04-27 Jakub Jelinek <jakub@redhat.com>
14842 PR rtl-optimization/100254
14843 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
14844 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
14846 2021-04-27 Richard Biener <rguenther@suse.de>
14848 PR tree-optimization/99912
14849 * passes.def: Add comment about new TODO_remove_unused_locals.
14850 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
14853 2021-04-27 Richard Biener <rguenther@suse.de>
14855 PR tree-optimization/99912
14856 * passes.def (pass_all_optimizations): Add pass_dse before
14857 the first pass_dce, move the first pass_dse before the
14858 pass_dce following pass_pre.
14860 2021-04-27 Jakub Jelinek <jakub@redhat.com>
14862 PR tree-optimization/95527
14863 * generic-match-head.c: Include tm.h.
14864 * gimple-match-head.c: Include tm.h.
14865 * match.pd (CLZ == INTEGER_CST): Don't use
14866 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
14867 if clz == CFN_CLZ. Add missing val declaration.
14868 (CTZ cmp CST): New simplifications.
14870 2021-04-27 Jakub Jelinek <jakub@redhat.com>
14872 PR tree-optimization/96696
14873 * expr.c (expand_expr_divmod): New function.
14874 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
14875 divisions. Formatting fixes.
14876 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
14879 2021-04-27 Martin Jambor <mjambor@suse.cz>
14882 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
14883 If removing a call statement LHS SSA name, release it.
14885 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
14888 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
14889 is valid before including it in the mask.
14891 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
14894 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
14897 2021-04-27 Richard Biener <rguenther@suse.de>
14899 PR tree-optimization/100051
14900 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
14901 disambiguator based on access size vs. decl size.
14903 2021-04-27 Richard Biener <rguenther@suse.de>
14905 PR tree-optimization/100278
14906 * tree-ssa-pre.c (compute_avail): Give up when we cannot
14907 adjust TBAA beacuse of mismatching bases.
14909 2021-04-27 Jakub Jelinek <jakub@redhat.com>
14912 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
14913 For any_rotate define_insn_split and following splitters, use
14914 SWI iterator instead of SWI48.
14916 2021-04-27 Richard Biener <rguenther@suse.de>
14918 PR tree-optimization/99776
14919 * match.pd (bit_field_ref (ctor)): Relax element extract
14920 type compatibility checks.
14922 2021-04-27 Cui,Lili <lili.cui@intel.com>
14924 * common/config/i386/i386-common.c (processor_names):
14925 Sync processor_names with processor_type.
14926 * config/i386/i386-options.c (processor_cost_table):
14927 Sync processor_cost_table with processor_type.
14929 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14931 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
14932 (irange::set): Call irange_set_1bit_anti_range for handling all
14933 1-bit ranges. Fall through on ~[MIN,MAX].
14935 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14937 * value-range.cc (irange::legacy_num_pairs): Remove.
14938 (irange::invert): Change gcc_assert to gcc_checking_assert.
14939 * value-range.h (irange::num_pairs): Adjust for a cached
14940 num_pairs(). Also, rename all gcc_assert's to
14941 gcc_checking_assert's.
14943 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14945 * value-range.cc (irange::operator=): Set m_kind.
14946 (irange::copy_to_legacy): Handle varying and undefined sources
14947 as a legacy copy since they can be easily copied.
14948 (irange::irange_set): Set m_kind.
14949 (irange::irange_set_anti_range): Same.
14950 (irange::set): Rename normalize_min_max to normalize_kind.
14951 (irange::verify_range): Adjust for multi-ranges having the
14953 (irange::irange_union): Set m_kind.
14954 (irange::irange_intersect): Same.
14955 (irange::invert): Same.
14956 * value-range.h (irange::kind): Always return m_kind.
14957 (irange::varying_p): Rename to...
14958 (irange::varying_comptaible_p): ...this.
14959 (irange::undefined_p): Only look at m_kind.
14960 (irange::irange): Always set VR_UNDEFINED if applicable.
14961 (irange::set_undefined): Always set VR_UNDEFINED.
14962 (irange::set_varying): Always set m_kind to VR_VARYING.
14963 (irange::normalize_min_max): Rename to...
14964 (irange::normalize_kind): ...this.
14966 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14968 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
14969 Adjust for constant_p including varying_p.
14970 * tree-vrp.c (vrp_prop::finalize): Same.
14971 (determine_value_range): Same.
14972 * vr-values.c (vr_values::range_of_expr): Same.
14973 * value-range.cc (irange::symbolic_p): Do not check varying_p.
14974 (irange::constant_p): Same.
14976 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
14978 * value-range.cc (irange::legacy_lower_bound): Replace
14979 !undefined_p check with num_ranges > 0.
14980 (irange::legacy_upper_bound): Same.
14981 * value-range.h (irange::type): Same.
14982 (irange::lower_bound): Same.
14983 (irange::upper_bound): Same.
14985 2021-04-26 Richard Biener <rguenther@suse.de>
14987 PR tree-optimization/99956
14988 * gimple-loop-interchange.cc (compute_access_stride):
14989 Try instantiating the access in a shallower loop nest
14990 if instantiating failed.
14991 (compute_access_strides): Pass adjustable loop_nest
14992 to compute_access_stride.
14994 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
14996 * doc/sourcebuild.texi (arm_cmse_hw): Document.
14998 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15000 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
15002 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
15003 Nathan Sidwell <nathan@codesourcery.com>
15004 Tom de Vries <vries@codesourcery.com>
15005 Julian Brown <julian@codesourcery.com>
15006 Kwok Cheung Yeung <kcy@codesourcery.com>
15008 * omp-offload.c (oacc_validate_dims): Implement
15009 '-Wopenacc-parallelism'.
15010 * doc/invoke.texi (-Wopenacc-parallelism): Document.
15012 2021-04-26 Richard Biener <rguenther@suse.de>
15014 * tree-cfg.h (gimplify_build1): Remove.
15015 (gimplify_build2): Likewise.
15016 (gimplify_build3): Likewise.
15017 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
15018 (gimplify_build2): Likewise.
15019 (gimplify_build3): Likewise.
15020 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
15022 (gimplify_build2): Likewise.
15023 (gimplify_build3): Likewise.
15024 (tree_vec_extract): Use resimplify with following SSA edges.
15025 (expand_vector_parallel): Avoid passing NULL size/bitpos
15026 to tree_vec_extract.
15027 * expr.c (store_constructor): Deal with zero-element CTORs.
15028 * match.pd (bit_field_ref <vector CTOR>): Make sure to
15029 produce vector constants when possible.
15031 2021-04-26 Richard Biener <rguenther@suse.de>
15033 * tree-complex.c: Include gimple-fold.h.
15034 (expand_complex_addition): Use gimple_build.
15035 (expand_complex_multiplication_components): Likewise.
15036 (expand_complex_multiplication): Likewise.
15037 (expand_complex_div_straight): Likewise.
15038 (expand_complex_div_wide): Likewise.
15039 (expand_complex_division): Likewise.
15040 (expand_complex_conjugate): Likewise.
15041 (expand_complex_comparison): Likewise.
15043 2021-04-26 Richard Biener <rguenther@suse.de>
15045 * tree-ssa-phiopt.c (two_value_replacement): Remove use
15046 of legacy gimplify_buildN API.
15048 2021-04-26 Richard Biener <rguenther@suse.de>
15050 PR tree-optimization/99473
15051 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
15054 2021-04-26 Richard Biener <rguenther@suse.de>
15056 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
15057 Use replace_call_with_value.
15059 2021-04-26 Richard Biener <rguenther@suse.de>
15061 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
15062 (update_gimple_call): Likewise.
15063 (update_call_from_tree): Likewise.
15064 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
15065 (valid_gimple_call_p): Likewise.
15066 (move_ssa_defining_stmt_for_defs): Likewise.
15067 (finish_update_gimple_call): Likewise.
15068 (update_gimple_call): Likewise.
15069 (update_call_from_tree): Likewise.
15070 (propagate_tree_value_into_stmt): Use replace_call_with_value.
15071 * gimple-fold.h (update_gimple_call): Declare.
15072 * gimple-fold.c (valid_gimple_rhs_p): Move here from
15073 tree-ssa-propagate.c.
15074 (update_gimple_call): Likewise.
15075 (valid_gimple_call_p): Likewise.
15076 (finish_update_gimple_call): Likewise, and simplify.
15077 (gimplify_and_update_call_from_tree): Implement
15078 update_call_from_tree functionality, avoid excessive
15079 push/pop_gimplify_context.
15080 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
15081 (gimple_fold_call): Likewise.
15082 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
15083 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
15084 (pass_fold_builtins::execute): Likewise.
15085 (optimize_stack_restore): Use replace_call_with_value.
15086 * tree-cfg.c (fold_loop_internal_call): Likewise.
15087 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
15088 only gimplify_and_update_call_from_tree.
15089 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
15090 (handle_builtin_strchr): Likewise.
15091 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
15093 2021-04-26 Jakub Jelinek <jakub@redhat.com>
15096 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
15097 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
15100 2021-04-25 liuhongt <hongtao.liu@intel.com>
15103 * config/i386/i386-builtin.def (BDESC): Change the icode of
15104 the following builtins to CODE_FOR_nothing.
15105 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
15106 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
15107 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
15108 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
15109 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
15110 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
15111 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
15112 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
15113 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
15114 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
15115 (sse2_eq<mode>3): Ditto.
15116 (sse4_1_eqv2di3): Ditto.
15117 (sse2_gt<mode>3): Rename to ..
15118 (*sse2_gt<mode>3): .. this.
15120 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
15123 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
15126 * config/darwin.c (darwin_binds_local_p): Assume that any
15127 public symbol might be interposed for PIC code. Update function
15128 header comment to reflect current Darwin capability.
15130 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
15133 * config/darwin.c (darwin_binds_local_p): Assume that any
15134 public symbol might be interposed for PIC code. Update function
15135 header comment to reflect current Darwin capability.
15137 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
15139 * doc/sourcebuild.texi: Document no-opts and any-opts target
15142 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
15144 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
15146 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
15148 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
15150 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
15153 * config/i386/i386-options.c (ix86_option_override_internal):
15154 Error out when -m96bit-long-double is used with 64bit targets.
15155 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
15157 2021-04-23 Martin Liska <mliska@suse.cz>
15159 * lto-wrapper.c: Remove FIXME about usage of
15160 hardware_concurrency. The function is not on par with
15163 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
15166 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
15167 Copy operand 3 to operand 4. Use sse_reg_operand
15168 as operand 3 predicate.
15169 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
15170 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
15171 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
15172 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
15173 Copy operand 1 to operand 0.
15174 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
15175 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
15176 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
15178 2021-04-23 Alex Coplan <alex.coplan@arm.com>
15180 PR rtl-optimization/100230
15181 * early-remat.c (early_remat::sort_candidates): Use delete[]
15182 instead of delete for array allocated with new[].
15184 2021-04-23 Richard Biener <rguenther@suse.de>
15186 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
15187 (capture_info::capture_info): Likewise.
15188 (capture_info::walk_match): Likewise.
15189 (expr::gen_transform): Likewise.
15190 (dt_simplify::gen_1): Likewise.
15191 * gimple-match-head.c (maybe_resimplify_conditional_op):
15192 Remove VEC_COND_EXPR special-casing.
15193 (gimple_simplify): Likewise.
15194 * gimple.c (gimple_could_trap_p_1): Adjust.
15195 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
15196 to participate in PRE.
15198 2021-04-23 Richard Biener <rguenther@suse.de>
15200 * cfganal.c (connect_infinite_loops_to_exit): First call
15201 add_noreturn_fake_exit_edges.
15202 * ipa-sra.c (process_scan_results): Do not call the now redundant
15203 add_noreturn_fake_exit_edges.
15204 * predict.c (tree_estimate_probability): Likewise.
15205 (rebuild_frequencies): Likewise.
15206 * store-motion.c (one_store_motion_pass): Likewise.
15208 2021-04-23 Richard Biener <rguenther@suse.de>
15210 PR tree-optimization/100222
15211 * predict.c (pass_profile::execute): Remove redundant call to
15212 mark_irreducible_loops.
15213 (report_predictor_hitrates): Likewise.
15215 2021-04-23 Richard Biener <rguenther@suse.de>
15217 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
15218 valid_gimple_rhs_p by instead gimplifying to one.
15220 2021-04-23 Richard Biener <rguenther@suse.de>
15222 PR tree-optimization/99971
15223 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
15224 Always use TBAA for loads.
15226 2021-04-23 liuhongt <hongtao.liu@intel.com>
15229 * config/i386/i386-options.c (ix86_option_override_internal):
15230 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
15231 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
15232 by target attribute.
15234 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
15236 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
15238 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
15240 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
15242 * config.gcc (powerpc-ibm-aix6.*): Remove.
15243 * config/rs6000/aix61.h: Delete.
15245 2021-04-22 Martin Liska <mliska@suse.cz>
15247 PR testsuite/100159
15248 PR testsuite/100192
15249 * builtins.c (expand_builtin): Fix typos and missing comments.
15250 * dwarf2out.c (gen_subprogram_die): Likewise.
15251 (gen_struct_or_union_type_die): Likewise.
15253 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
15256 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
15257 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
15259 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
15261 * config/i386/darwin.h (TARGET_64BIT): Remove definition
15262 based on TARGET_ISA_64BIT.
15263 (TARGET_64BIT_P): Remove definition based on
15264 TARGET_ISA_64BIT_P().
15266 2021-04-21 Martin Liska <mliska@suse.cz>
15269 2021-04-21 Martin Liska <mliska@suse.cz>
15271 * lto-wrapper.c (cpuset_popcount): Remove.
15272 (init_num_threads): Remove and use hardware_concurrency.
15274 2021-04-21 Martin Liska <mliska@suse.cz>
15277 * main.c (main): Call toplev::finalize in CHECKING_P mode.
15278 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
15279 when incremental LTO linking happens.
15281 2021-04-21 Martin Liska <mliska@suse.cz>
15283 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
15284 makeserver cannot be detected, then use -flto=N fallback.
15286 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
15288 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
15289 default to yes for aarch64-linux-gnu.
15290 * configure: Regenerate.
15292 2021-04-21 Martin Liska <mliska@suse.cz>
15294 * lto-wrapper.c (cpuset_popcount): Remove.
15295 (init_num_threads): Remove and use hardware_concurrency.
15297 2021-04-21 Martin Liska <mliska@suse.cz>
15299 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
15300 which remains to be '(... || 0)' and clang complains about it.
15301 * dwarf2out.c (AT_vms_delta): Declare conditionally.
15302 (add_AT_vms_delta): Likewise.
15303 * tree.c (fld_simplified_type): Use rather more common pattern
15304 for disabling of something (#if 0).
15305 (get_tree_code_name): Likewise.
15306 (verify_type_variant): Likewise.
15308 2021-04-21 Martin Liska <mliska@suse.cz>
15310 * config/i386/i386-expand.c (decide_alignment): Use newly named
15311 macro TARGET_CPU_P.
15312 * config/i386/i386.c (ix86_decompose_address): Likewise.
15313 (ix86_address_cost): Likewise.
15314 (ix86_lea_outperforms): Likewise.
15315 (ix86_avoid_lea_for_addr): Likewise.
15316 (ix86_add_stmt_cost): Likewise.
15317 * config/i386/i386.h (TARGET_*): Remove.
15318 (TARGET_CPU_P): New macro.
15319 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
15320 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
15321 (swap_top_of_ready_list): Likewise.
15322 (ix86_atom_sched_reorder): Likewise.
15323 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
15324 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
15326 2021-04-21 Martin Liska <mliska@suse.cz>
15328 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
15330 (SET_TARGET_NO_SAHF): Likewise.
15331 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
15332 (SET_TARGET_PREFETCH_SSE): Likewise.
15333 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
15334 (SET_TARGET_NO_TUNE): Likewise.
15335 (TARGET_EXPLICIT_NO_80387_P): Likewise.
15336 (SET_TARGET_NO_80387): Likewise.
15338 * config/i386/i386.h (TARGET_*): Remove.
15339 * opth-gen.awk: Generate new used macros.
15341 2021-04-21 Martin Liska <mliska@suse.cz>
15343 * config/i386/i386.h (PTA_*): Remove.
15344 (enum pta_flag): New.
15345 (DEF_PTA): Generate PTA_* values from i386-isa.def.
15346 * config/i386/i386-isa.def: New file.
15348 2021-04-21 Alex Coplan <alex.coplan@arm.com>
15351 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
15352 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
15353 jump table targets.
15355 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
15357 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
15358 x86_64-*-* targets.
15359 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
15361 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
15362 (ix86_handle_option): Handle -mmwait.
15363 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
15364 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
15365 __builtin_ia32_monitor and __builtin_ia32_mwait.
15366 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
15367 (ix86_valid_target_attribute_inner_p): Likewise.
15368 (ix86_option_override_internal): Enable mwait/monitor
15369 instructions for -msse3.
15370 * config/i386/i386.h (TARGET_MWAIT): New.
15371 (TARGET_MWAIT_P): Likewise.
15372 * config/i386/i386.opt: Add -mmwait.
15373 * config/i386/mwaitintrin.h: New file.
15374 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
15375 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
15377 (@sse3_monitor_<mode>): Likewise.
15378 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
15379 * doc/extend.texi: Document mwait target attribute.
15380 * doc/invoke.texi: Document -mmwait.
15382 2021-04-21 Martin Liska <mliska@suse.cz>
15384 * config/i386/i386-options.c (DEF_ENUM): Remove it.
15385 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
15386 * config/i386/stringop.def (DEF_ENUM): Likewise.
15388 2021-04-21 Martin Liska <mliska@suse.cz>
15390 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
15391 of print_generic_expr.
15393 2021-04-21 Jakub Jelinek <jakub@redhat.com>
15395 PR rtl-optimization/100148
15396 * cprop.c (constprop_register): Use next_nondebug_insn instead of
15399 2021-04-21 Martin Liska <mliska@suse.cz>
15402 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
15403 free_dominance_info calls.
15405 2021-04-21 Richard Biener <rguenther@suse.de>
15407 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
15408 parameter (and assume it to be false).
15409 (fold_gimple_assign): Adjust, remove all callers of
15410 maybe_fold_reference calling it with is_lhs true.
15411 (gimple_fold_call): Likewise.
15412 (fold_stmt_1): Likewise.
15414 2021-04-21 Richard Biener <rguenther@suse.de>
15416 * fold-const.c (pedantic_non_lvalue_loc): Remove.
15417 (fold_binary_loc): Adjust.
15418 (fold_ternary_loc): Likewise.
15420 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
15422 PR middle-end/100130
15423 * varasm.c (get_block_for_decl): Make sure that any use of the
15424 retain attribute matches the section's retain flag.
15425 (switch_to_section): Check for retain mismatches even when
15426 changing sections, but do not warn if the given decl is the
15427 section's named.decl.
15428 (output_object_block): Pass the first decl in the block (if any)
15429 to switch_to_section.
15431 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
15433 * config/i386/i386-c.c (ix86_target_macros_internal): Define
15434 __CRC32__ for -mcrc32.
15435 * config/i386/i386-options.c (ix86_option_override_internal):
15436 Enable crc32 instruction for -msse4.2.
15437 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
15439 (sse4_2_crc32di): Likewise.
15440 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
15443 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
15446 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
15449 2021-04-20 Martin Liska <mliska@suse.cz>
15451 * doc/invoke.texi: Fix typo.
15452 * params.opt: Likewise.
15454 2021-04-20 Martin Liska <mliska@suse.cz>
15456 * doc/invoke.texi: Document new param.
15458 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
15460 PR tree-optimization/100081
15461 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
15462 rather than gori_compute_cache.
15463 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
15464 (range_def_chain::m_logical_depth): New member.
15465 (range_def_chain::range_def_chain): Initialize m_logical_depth.
15466 (range_def_chain::get_def_chain): Don't build defchains through more
15467 than LOGICAL_LIMIT logical expressions.
15468 * params.opt (param_ranger_logical_depth): New.
15470 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
15473 * config/arm/arm.c (arm_configure_build_target): Do not strip
15474 extended FPU/SIMD feature bits from the target ISA when -mfpu
15475 is specified (partial revert of r11-8168).
15477 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
15479 * params.opt (-param=openacc-kernels=): Add.
15480 * omp-oacc-kernels-decompose.cc
15481 (pass_omp_oacc_kernels_decompose::gate): Use it.
15482 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
15483 (--param): ... here, 'openacc-kernels'.
15485 2021-04-19 Martin Liska <mliska@suse.cz>
15488 * gengtype.c (finish_root_table): Align function arguments
15489 in between declaration and definition.
15491 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
15493 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
15494 frames larger than the SEH maximum frame size.
15496 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
15498 PR rtl-optimization/99927
15499 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
15500 is dead, just drop it.
15502 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
15505 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
15506 * doc/tm.texi: Regenerate.
15507 * doc/tm.texi.in (D language and ABI): Add @hook for
15508 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
15510 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
15512 * config/darwin-d.c (darwin_d_handle_target_object_format): New
15514 (darwin_d_register_target_info): New function.
15515 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
15516 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
15518 (dragonfly_d_register_target_info): New function.
15519 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
15520 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
15522 (freebsd_d_register_target_info): New function.
15523 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
15524 * config/glibc-d.c (glibc_d_handle_target_object_format): New
15526 (glibc_d_register_target_info): New function.
15527 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
15528 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
15530 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
15531 as handler for objectFormat key.
15532 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
15534 (winnt_d_register_target_info): New function.
15535 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
15536 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
15538 (netbsd_d_register_target_info): New function.
15539 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
15540 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
15542 (openbsd_d_register_target_info): New function.
15543 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
15544 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
15545 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
15546 handler for objectFormat key.
15547 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
15549 (rs6000_d_register_target_info): Add
15550 rs6000_d_handle_target_object_format as handler for objectFormat key.
15551 * config/sol2-d.c (solaris_d_handle_target_object_format): New
15553 (solaris_d_register_target_info): New function.
15554 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
15556 2021-04-16 Jakub Jelinek <jakub@redhat.com>
15559 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
15560 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
15562 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
15563 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
15564 the old and new alignment after applying MIN/MAX to it is different.
15566 2021-04-16 Tamar Christina <tamar.christina@arm.com>
15569 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
15570 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
15572 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
15574 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
15576 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
15577 this section and its subsections.
15579 2021-04-16 Jakub Jelinek <jakub@redhat.com>
15582 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
15583 define_insn patterns.
15585 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
15587 PR rtl-optimization/98689
15588 * reg-notes.def (UNTYPED_CALL): New note.
15589 * combine.c (distribute_notes): Handle it.
15590 * emit-rtl.c (try_split): Likewise.
15591 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
15592 that calls with the note implicitly set all return value registers.
15593 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
15596 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
15598 PR rtl-optimization/99596
15599 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
15600 register accesses for const calls. Assume that pure functions
15601 can only read from global registers. Ignore cases in which
15602 the stack pointer has been marked global.
15604 2021-04-16 Jakub Jelinek <jakub@redhat.com>
15607 * tree-vect-loop.c (vect_transform_loop): Don't remove just
15608 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
15609 them by their last argument.
15611 2021-04-15 Martin Liska <mliska@suse.cz>
15613 * doc/invoke.texi: Other params don't use it, remove it.
15615 2021-04-15 Richard Biener <rguenther@suse.de>
15617 * gimple-builder.h: Add deprecation note.
15619 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
15622 * attribs.h (restrict_type_identity_attributes_to): Declare.
15623 * attribs.c (restrict_type_identity_attributes_to): New function.
15625 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
15628 * attribs.h (affects_type_identity_attributes): Declare.
15629 * attribs.c (remove_attributes_matching): New function.
15630 (affects_type_identity_attributes): Likewise.
15632 2021-04-15 Jakub Jelinek <jakub@redhat.com>
15635 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
15636 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
15637 ZERO_EXTEND, SIGN_EXTEND or AND.
15639 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
15641 PR rtl-optimization/99929
15642 * rtl.h (same_vector_encodings_p): New function.
15643 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
15644 * cselib.c (rtx_equal_for_cselib_1): Likewise.
15645 * jump.c (rtx_renumbered_equal_p): Likewise.
15646 * lra-constraints.c (operands_match_p): Likewise.
15647 * reload.c (operands_match_p): Likewise.
15648 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
15650 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
15652 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
15653 more information about variable-length CONST_VECTORs.
15655 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
15657 PR rtl-optimization/100066
15658 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
15659 ordered modes when choosing splitting mode for hard reg.
15661 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
15664 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
15666 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
15668 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
15670 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
15671 for mask operand types.
15672 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
15673 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
15675 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
15677 * config/s390/s390.c (s390_const_operand_ok): Check the new
15678 operand types and generate a list of valid values.
15680 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
15682 * doc/tm.texi: Regenerate.
15683 * doc/tm.texi.in (D language and ABI): Add @hook for
15684 TARGET_D_REGISTER_OS_TARGET_INFO.
15686 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
15688 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
15690 (aarch64_d_register_target_info): New function.
15691 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
15693 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
15695 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
15696 (arm_d_register_target_info): New function.
15697 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
15698 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
15699 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
15700 (ix86_d_register_target_info): New function.
15701 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
15702 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
15703 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
15704 (mips_d_register_target_info): New function.
15705 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
15706 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
15707 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
15708 (pa_d_register_target_info): New function.
15709 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
15710 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
15711 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
15713 (riscv_d_register_target_info): New function.
15714 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
15715 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
15716 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
15718 (rs6000_d_register_target_info): New function.
15719 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
15721 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
15722 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
15723 (s390_d_register_target_info): New function.
15724 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
15725 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
15726 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
15728 (sparc_d_register_target_info): New function.
15729 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
15730 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
15731 * doc/tm.texi: Regenerate.
15732 * doc/tm.texi.in (D language and ABI): Add @hook for
15733 TARGET_D_REGISTER_CPU_TARGET_INFO.
15735 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
15737 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
15738 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
15739 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
15740 * doc/tm.texi: Regenerate.
15741 * doc/tm.texi.in (D language and ABI): Add @hook for
15742 TARGET_D_HAS_STDCALL_CONVENTION.
15744 2021-04-14 Richard Biener <rguenther@suse.de>
15746 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
15747 VEC_COND_EXPRs have a gimple_val condition.
15748 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
15749 can no longer have a GENERIC condition.
15751 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
15754 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
15755 from the isa_delta when -mfpu has been used.
15756 (arm_options_perform_arch_sanity_checks): It's the architecture that
15757 lacks an FPU not the processor.
15759 2021-04-13 Richard Biener <rguenther@suse.de>
15761 PR tree-optimization/100053
15762 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
15763 not use optimistic dominance queries for backedges to validate
15765 (dominated_by_p_w_unex): Add parameter to ignore executable
15766 state on backedges.
15767 (rpo_elim::eliminate_avail): Adjust.
15769 2021-04-13 Jakub Jelinek <jakub@redhat.com>
15772 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
15773 *aarch64_bfxilsi_extrdi): New define_insn patterns.
15775 2021-04-13 Jakub Jelinek <jakub@redhat.com>
15778 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
15779 outermode, return NULL if the result doesn't encode back to the
15780 original byte sequence.
15781 (simplify_gen_subreg): Don't create SUBREGs from constants to
15782 MODE_COMPOSITE_P outermode.
15784 2021-04-12 Jakub Jelinek <jakub@redhat.com>
15786 PR rtl-optimization/99905
15787 * combine.c (expand_compound_operation): If pos + len > modewidth,
15788 perform the right shift by pos in inner_mode and then convert to mode,
15789 instead of trying to simplify a shift of rtx with inner_mode by pos
15790 as if it was a shift in mode.
15792 2021-04-12 Jakub Jelinek <jakub@redhat.com>
15795 * combine.c (simplify_and_const_int_1): Don't optimize varop
15796 away if it has side-effects.
15798 2021-04-12 Martin Liska <mliska@suse.cz>
15800 * doc/extend.texi: Escape @smallexample content.
15802 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
15804 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
15805 alternative in order to load a DFP zero.
15807 2021-04-12 Martin Liska <mliska@suse.cz>
15809 * doc/extend.texi: Be more precise in documentation
15810 of symver attribute.
15812 2021-04-12 Martin Liska <mliska@suse.cz>
15815 * gimplify.c (gimplify_expr): Right now, we unpoison all
15816 variables before a goto <dest>. We should not do it if we are
15819 2021-04-12 Cui,Lili <lili.cui@intel.com>
15821 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
15823 * common/config/i386/i386-common.c (processor_names): Add
15825 (processor_alias_table): Add rocketlake.
15826 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
15827 INTEL_COREI7_ROCKETLAKE.
15828 * config.gcc: Add -march=rocketlake.
15829 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
15831 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
15832 (processor_cost_table): Add rocketlake cost.
15833 * config/i386/i386.h (ix86_size_cost) : Define
15835 (processor_type) : Add PROCESSOR_ROCKETLAKE.
15836 (PTA_ROCKETLAKE): Ditto.
15837 * doc/extend.texi: Add rocketlake.
15838 * doc/invoke.texi: Add rocketlake.
15840 2021-04-12 Cui,Lili <lili.cui@intel.com>
15842 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
15843 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
15844 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
15845 * doc/invoke.texi: Change alderlake ISA list.
15847 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
15849 PR middle-end/98088
15850 * omp-expand.c (expand_oacc_collapse_init): Update condition in
15853 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
15856 * config/i386/serializeintrin.h (_serialize): Defined as macro.
15858 2021-04-10 Jakub Jelinek <jakub@redhat.com>
15861 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
15862 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
15864 2021-04-10 Jakub Jelinek <jakub@redhat.com>
15866 PR middle-end/99989
15867 * gimple-ssa-warn-alloca.c
15868 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
15869 0 with integer precision unconditionally.
15871 2021-04-10 Jakub Jelinek <jakub@redhat.com>
15873 PR rtl-optimization/98601
15874 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
15875 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
15876 unaligned_mems handle VOIDmode like BLKmode.
15878 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
15881 * tree.c (free_lang_data_in_decl): Do not release body of
15882 declare_variant_alt.
15884 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
15886 * config/aarch64/aarch64.c (aarch64_option_restore): If the
15887 architecture was specified explicitly and the tuning wasn't,
15888 tune for the architecture rather than the configured default CPU.
15890 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
15892 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
15893 as the temporary register.
15895 2021-04-09 Martin Liska <mliska@suse.cz>
15897 * doc/extend.texi: Move non-target attributes on the top level.
15899 2021-04-09 Martin Liska <mliska@suse.cz>
15901 * doc/invoke.texi: Document minimum and maximum value of the
15902 argument for both supported compression algorithms.
15904 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
15906 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
15907 TLS BSS before TLS data.
15908 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
15910 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
15912 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
15914 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
15916 * match.pd: Extend vec_cond folds to handle shifts.
15918 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
15920 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
15923 2021-04-08 Alex Coplan <alex.coplan@arm.com>
15926 * config/arm/iterators.md (MVE_vecs): New.
15927 (V_elem): Also handle V2DF.
15928 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
15929 (*mve_vdup<mode>): ... this. Remove second alternative since
15930 vec_duplicate of const_int is not canonical RTL, and we don't
15931 want to match symbol_refs.
15932 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
15934 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
15936 * fold-const.c (fold_single_bit_test): Fix typo.
15937 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
15940 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
15942 PR tree-optimization/97513
15943 * tree-vect-slp.c (vect_add_slp_permutation): New function,
15945 (vectorizable_slp_permutation): ...here. Detect cases in which
15946 all VEC_PERM_EXPRs are guaranteed to have the same stepped
15947 permute vector and only generate one permute vector for that case.
15948 Extend that case to handle variable-length vectors.
15950 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
15952 PR tree-optimization/99873
15953 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
15954 (vect_build_slp_instance): Don't split store groups that could
15955 use IFN_STORE_LANES.
15957 2021-04-07 Jakub Jelinek <jakub@redhat.com>
15960 * varasm.c (output_constant_pool_contents): Don't strip name encoding
15961 from XSTR (desc->sym, 0) or from label before passing those to
15964 2021-04-07 Richard Biener <rguenther@suse.de>
15966 PR tree-optimization/99954
15967 * tree-loop-distribution.c: Include tree-affine.h.
15968 (generate_memcpy_builtin): Try using tree-affine to prove
15970 (loop_distribution::classify_builtin_ldst): Always classify
15973 2021-04-07 Richard Biener <rguenther@suse.de>
15975 PR tree-optimization/99947
15976 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
15977 steps vector to avoid pushing elements from the reallocated
15980 2021-04-07 Richard Biener <rguenther@suse.de>
15982 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
15983 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
15985 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
15987 (debug_vn_reference_ops): New.
15989 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
15991 PR tree-optimization/98736
15992 * tree-loop-distribution.c
15993 * (loop_distribution::bb_top_order_init):
15994 Compute RPO with programing order preserved by calling function
15995 rev_post_order_and_mark_dfs_back_seme.
15997 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
16000 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
16001 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
16003 (process_bb_lives): Don't update biggest mode of hard reg for
16004 implicit in multi-register group. Use the new functions for
16005 updating dead_set and unused_set by register notes.
16007 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
16009 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
16012 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
16014 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
16015 (skylake_memset): Likewise.
16016 (skylake_cost): Change CLEAR_RATIO to 17.
16017 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
16018 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
16019 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
16021 2021-04-06 Richard Biener <rguenther@suse.de>
16023 PR tree-optimization/99880
16024 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
16025 set vectorized defs of relevant PHIs.
16027 2021-04-06 Richard Biener <rguenther@suse.de>
16029 PR tree-optimization/99924
16030 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
16031 nodes w/o scalar stmts as visited.
16033 2021-04-06 Alex Coplan <alex.coplan@arm.com>
16036 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
16037 PCS for [su]fix_optab.
16039 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
16041 * config/darwin.c (machopic_legitimize_pic_address): Check
16042 that the current pic register is one of the hard reg set
16043 before setting liveness.
16045 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
16047 * config/darwin.c (machopic_legitimize_pic_address): Fix
16048 whitespace, remove unused code.
16050 2021-04-03 Jakub Jelinek <jakub@redhat.com>
16052 PR tree-optimization/99882
16053 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
16056 2021-04-03 Jakub Jelinek <jakub@redhat.com>
16058 PR rtl-optimization/99863
16059 * dse.c (replace_read): Drop regs_live argument. Instead of
16060 regs_live, use store_insn->fixed_regs_live if non-NULL,
16061 otherwise punt if insns sequence clobbers or sets any hard
16064 2021-04-03 Jakub Jelinek <jakub@redhat.com>
16067 * targhooks.h (default_print_patchable_function_entry_1): Declare.
16068 * targhooks.c (default_print_patchable_function_entry_1): New function,
16069 copied from default_print_patchable_function_entry with an added flags
16071 (default_print_patchable_function_entry): Rewritten into a small
16072 wrapper around default_print_patchable_function_entry_1.
16073 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
16075 (rs6000_print_patchable_function_entry): New function.
16077 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
16079 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
16081 2021-04-01 Jason Merrill <jason@redhat.com>
16084 * common.opt: Document v15 and v16.
16086 2021-04-01 Richard Biener <rguenther@suse.de>
16088 PR tree-optimization/99863
16089 * gimplify.c (gimplify_init_constructor): Recompute vector
16092 2021-04-01 Jakub Jelinek <jakub@redhat.com>
16094 * doc/extend.texi (symver attribute): Fix up syntax errors
16097 2021-04-01 Jakub Jelinek <jakub@redhat.com>
16099 PR tree-optimization/96573
16100 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
16101 also pointer types.
16103 2021-04-01 Richard Biener <rguenther@suse.de>
16105 PR tree-optimization/99856
16106 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
16107 precision to vector element precision.
16109 2021-04-01 Martin Jambor <mjambor@suse.cz>
16111 PR tree-optimization/97009
16112 * tree-sra.c (access_or_its_child_written): New function.
16113 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
16116 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
16119 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
16121 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
16124 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
16125 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
16126 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
16127 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
16128 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
16129 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
16131 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
16132 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
16133 (define_attr "prefixed"): Update initializer.
16135 2021-03-31 Jakub Jelinek <jakub@redhat.com>
16138 * dwarf2out.c (debug_ranges_dwo_section): New variable.
16139 (DW_RANGES_IDX_SKELETON): Define.
16140 (struct dw_ranges): Add begin_entry and end_entry members.
16141 (DEBUG_DWO_RNGLISTS_SECTION): Define.
16142 (add_ranges_num): Adjust r initializer for addition of *_entry
16144 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
16145 set idx to DW_RANGES_IDX_SKELETON.
16146 (use_distinct_base_address_for_range): New function.
16147 (index_rnglists): Don't set r->idx if it is equal to
16148 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
16149 r->end_entry for -gsplit-dwarf if those will be needed by
16151 (output_rnglists): Add DWO argument. If true, switch to
16152 debug_ranges_dwo_section rather than debug_ranges_section.
16153 Adjust l1/l2 label indexes. Only output the offset table when
16154 dwo is true and don't include in there the skeleton range
16155 entry if present. For -gsplit-dwarf, skip ranges that belong
16156 to the other rnglists section. Change return type from void
16157 to bool and return true if there are any range entries for
16158 the other section. For dwarf_split_debug_info use
16159 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
16160 entries instead of DW_RLE_start_end, DW_RLE_start_length and
16161 DW_RLE_base_address. Use use_distinct_base_address_for_range.
16162 (init_sections_and_labels): Initialize debug_ranges_dwo_section
16163 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
16164 and range_base_label indexes.
16165 (dwarf2out_finish): Call index_rnglists earlier before finalizing
16166 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
16167 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
16168 with different dwo arguments.
16169 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
16171 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
16173 PR tree-optimization/98268
16174 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
16175 recompute_tree_invariant_for_addr_expr after successfully
16176 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
16178 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
16180 PR tree-optimization/99726
16181 * tree-data-ref.c (create_intersect_range_checks_index): Bail
16182 out if there is more than one access function SCEV for the loop
16185 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
16187 PR rtl-optimization/97141
16188 PR rtl-optimization/98726
16189 * emit-rtl.c (valid_for_const_vector_p): Return true for
16191 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
16192 poly_wide_int instead of a wide_int.
16193 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
16195 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
16196 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
16197 false for CONST_VECTORs that cannot be forced to memory.
16198 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
16199 is too complex to force to memory, build it up from individual
16202 2021-03-31 Jan Hubicka <jh@suse.cz>
16205 * cgraph.c (cgraph_node::release_body): Fix overactive check.
16207 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
16210 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
16213 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
16215 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
16216 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
16218 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
16219 "rep movsb/stosb" only for known sizes.
16220 * config/i386/i386-options.c (processor_cost_table): Use Ice
16221 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
16222 Rapids and Alder Lake.
16223 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
16224 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
16225 (icelake_memset): Likewise.
16226 (icelake_cost): Likewise.
16227 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
16230 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
16233 * config/aarch64/aarch64.c
16234 (aarch64_vectorize_preferred_vector_alignment): Query the size
16235 of the provided SVE vector; do not assume that all SVE vectors
16236 have the same size.
16238 2021-03-31 Jan Hubicka <jh@suse.cz>
16241 * cgraph.c (cgraph_node::release_body): Remove all callers and
16243 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
16244 * cgraphunit.c (cgraph_node::expand): And here.
16246 2021-03-31 Martin Liska <mliska@suse.cz>
16248 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
16249 and one negated condition.
16251 2021-03-31 Jakub Jelinek <jakub@redhat.com>
16252 Richard Sandiford <richard.sandiford@arm.com>
16255 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
16256 constraints on operands[2] and similarly 0 and rk constraints
16257 on operands[1] corresponding to that.
16259 2021-03-31 Jakub Jelinek <jakub@redhat.com>
16262 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
16263 linker doesn't support DWARF sections new in DWARF5.
16264 * config/i386/i386-options.c (ix86_option_override_internal): Default
16265 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
16267 * config.in: Regenerated.
16268 * configure: Regenerated.
16270 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16273 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
16274 available issue_info before using it.
16276 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16279 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
16282 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
16285 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
16286 (altivec_lvsl_reg_<mode>): ... this.
16287 (altivec_lvsr_reg): Change to ...
16288 (altivec_lvsr_reg_<mode>): ... this.
16289 * config/rs6000/predicates.md (vec_set_index_operand): New.
16290 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16291 Enable 32bit variable vec_insert for all TARGET_VSX.
16292 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
16293 Enable 32bit variable vec_insert for p9 and above.
16294 (rs6000_expand_vector_set_var_p8): Rename to ...
16295 (rs6000_expand_vector_set_var_p7): ... this.
16296 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
16298 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
16299 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
16300 gen_altivec_lvsr_reg_di.
16302 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
16305 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
16306 (__rdtscp): Likewise.
16308 2021-03-30 Tamar Christina <tamar.christina@arm.com>
16310 PR tree-optimization/99825
16311 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
16312 Reject non-mult 2 lanes.
16314 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
16317 * config/arm/arm.c (arm_file_start): Fix emission of
16318 Tag_ABI_VFP_args attribute.
16320 2021-03-30 Richard Biener <rguenther@suse.de>
16322 PR tree-optimization/99824
16323 * stor-layout.c (set_min_and_max_values_for_integral_type):
16324 Assert the precision is within the bounds of
16325 WIDE_INT_MAX_PRECISION.
16326 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
16327 the outermost component ref only to lower the access size
16328 and initialize that from the access type.
16330 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
16333 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
16334 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
16336 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
16338 * config/aarch64/aarch64.md
16339 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
16340 attribute to disambiguate between SIMD and FP variants of the
16343 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
16345 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
16346 (analyze_ssa_name_flags): Fix typo in comment.
16348 2021-03-29 Alex Coplan <alex.coplan@arm.com>
16351 * config/aarch64/aarch64-sve-builtins.cc
16352 (function_builder::add_function): Add placeholder_p argument, use
16353 placeholder decls if this is set.
16354 (function_builder::add_unique_function): Instead of conditionally adding
16355 direct overloads, unconditionally add either a direct overload or a
16357 (function_builder::add_overloaded_function): Set placeholder_p if we're
16358 using C++ overloads. Use the obstack for string storage instead
16359 of relying on the tree nodes.
16360 (function_builder::add_overloaded_functions): Don't return early for
16361 m_direct_overloads: we need to add placeholders.
16362 * config/aarch64/aarch64-sve-builtins.h
16363 (function_builder::add_function): Add placeholder_p argument.
16365 2021-03-29 Richard Biener <rguenther@suse.de>
16367 PR tree-optimization/99807
16368 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
16369 assert below VEC_PERM handling.
16371 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16374 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
16375 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
16376 matching const_int 0.
16377 (move_lo_quad_internal_be_<mode>): Likewise.
16378 (move_lo_quad_<mode>): Update for the above.
16379 * config/aarch64/iterators.md (VQ_2E): Delete.
16381 2021-03-29 Jakub Jelinek <jakub@redhat.com>
16383 PR tree-optimization/99777
16384 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
16385 types other than scalar integral types.
16387 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
16389 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
16390 XCOFF TLS reloc decorations.
16392 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
16394 * doc/analyzer.texi (Analyzer Internals): Update link to
16395 "A Memory Model for Static Analysis of C Programs".
16397 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
16399 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
16400 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
16402 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
16403 (rs6000_special_round_type_align): Recursively check innermost first
16406 2021-03-26 Jakub Jelinek <jakub@redhat.com>
16409 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
16410 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
16411 assignment with drap_reg active, queue reg save for hfp with offset 0
16412 and flush queued reg saves. When handling a push with rule18,
16413 defer queueing reg save for hfp and just assert the offset is 0.
16414 (scan_trace): Assert that fde->rule18 is false.
16416 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
16419 * ira-costs.c (record_reg_classes): Put case with
16420 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
16421 * ira.c (ira_setup_alts): Ditto.
16422 * lra-constraints.c (process_alt_operands): Ditto.
16423 * recog.c (asm_operand_ok): Ditto.
16424 * reload.c (find_reloads): Ditto.
16426 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16428 * config/aarch64/aarch64-protos.h
16429 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
16430 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
16431 * config/aarch64/aarch64.c (generic_addrcost_table): Update
16432 accordingly, using the same costs as for post_modify.
16433 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
16434 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
16435 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
16436 (a64fx_addrcost_table): Likewise.
16437 (neoversev1_addrcost_table): New.
16438 (neoversev1_tunings): Use neoversev1_addrcost_table.
16439 (aarch64_address_cost): Use the new post_modify costs for CImode
16442 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16444 * config/aarch64/aarch64.opt
16445 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
16446 * doc/invoke.texi: Document it.
16447 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
16448 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
16449 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
16450 (aarch64_vec_issue_info): New structures.
16451 (cpu_vector_cost): Write comments above the variables rather
16453 (cpu_vector_cost::issue_info): New member variable.
16454 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
16455 and tree-ssa-loop-niter.h.
16456 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
16457 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
16458 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
16459 (thunderx3t110_vector_cost): Initialize issue_info to null.
16460 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
16461 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
16462 (neoversev1_vector_cost): Use them.
16463 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
16464 (aarch64_vector_costs::saw_sve_only_op): New member variable.
16465 (aarch64_vector_costs::num_vector_iterations): Likewise.
16466 (aarch64_vector_costs::scalar_ops): Likewise.
16467 (aarch64_vector_costs::advsimd_ops): Likewise.
16468 (aarch64_vector_costs::sve_ops): Likewise.
16469 (aarch64_vector_costs::seen_loads): Likewise.
16470 (aarch64_simd_vec_costs_for_flags): New function.
16471 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
16472 Count the number of predicate operations required by SVE WHILE
16474 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
16475 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
16476 (aarch64_count_ops): Likewise.
16477 (aarch64_add_stmt_cost): Record whether see an SVE operation
16478 that cannot currently be implementing using Advanced SIMD.
16479 Record issue information about the scalar, Advanced SIMD
16480 and (where relevant) SVE versions of a loop.
16481 (aarch64_vec_op_count::dump): New function.
16482 (aarch64_sve_op_count::dump): Likewise.
16483 (aarch64_estimate_min_cycles_per_iter): Likewise.
16484 (aarch64_adjust_body_cost): If issue information is available,
16485 try to compare the issue rates of the various loop implementations
16486 and increase or decrease the vector body cost accordingly.
16488 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16490 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
16491 Assume a zero cost for induction phis.
16493 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16495 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
16497 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
16498 vector comparisons.
16500 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16502 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
16504 (aarch64_add_stmt_cost): Call it.
16506 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16508 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
16509 New tuning parameter.
16510 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
16511 (aarch64_estimated_sve_vq): New function.
16512 (aarch64_vector_costs::analyzed_vinfo): New member variable.
16513 (aarch64_vector_costs::is_loop): Likewise.
16514 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
16515 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
16516 (aarch64_record_potential_advsimd_unrolling): New function.
16517 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
16518 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
16519 aarch64_analyze_bb_vinfo on the first use of a costs structure.
16520 Detect whether we're vectorizing a loop for SVE that might be
16521 completely unrolled if it used Advanced SIMD instead.
16522 (aarch64_adjust_body_cost_for_latency): New function.
16523 (aarch64_finish_cost): Call it.
16525 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16527 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
16528 (aarch64_init_cost): New function.
16529 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
16530 the default unsigned[3].
16531 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
16532 (TARGET_VECTORIZE_INIT_COST): Override.
16533 (TARGET_VECTORIZE_FINISH_COST): Likewise.
16534 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
16536 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16538 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
16539 (neoversev1_sve_vector_cost): New cost structures.
16540 (neoversev1_vector_cost): Likewise.
16541 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
16543 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16545 * config/aarch64/aarch64-protos.h
16546 (sve_vec_cost::scatter_store_elt_cost): New member variable.
16547 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
16548 accordingly, taking the cost from the cost of a scalar_store.
16549 (a64fx_sve_vector_cost): Likewise.
16550 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
16552 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16554 * config/aarch64/aarch64-protos.h
16555 (simd_vec_cost::store_elt_extra_cost): New member variable.
16556 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
16557 accordingly, using the vec_to_scalar cost for the new field.
16558 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
16559 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
16560 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
16561 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
16562 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
16563 (thunderx3t110_advsimd_vector_cost): Likewise.
16564 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
16566 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16568 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
16569 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
16570 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
16571 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
16572 accordingly, using zero for the new costs.
16573 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
16574 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
16575 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
16576 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
16577 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
16578 (thunderx3t110_advsimd_vector_cost): Likewise.
16579 (aarch64_ld234_st234_vectors): New function.
16580 (aarch64_adjust_stmt_cost): Likewise.
16581 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
16582 the new vector costs.
16584 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16586 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
16587 derived class of simd_vec_cost. Add information about CLAST[AB]
16588 and FADDA instructions.
16589 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
16590 accordingly, using the vec_to_scalar costs for the new fields.
16591 (a64fx_sve_vector_cost): Likewise.
16592 (aarch64_reduc_type): New function.
16593 (aarch64_sve_in_loop_reduction_latency): Likewise.
16594 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
16595 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
16596 that occur in the loop body.
16597 (aarch64_add_stmt_cost): Update call accordingly.
16599 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
16601 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
16603 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
16604 above the fields rather than to the right.
16605 (simd_vec_cost::reduc_i8_cost): New member variable.
16606 (simd_vec_cost::reduc_i16_cost): Likewise.
16607 (simd_vec_cost::reduc_i32_cost): Likewise.
16608 (simd_vec_cost::reduc_i64_cost): Likewise.
16609 (simd_vec_cost::reduc_f16_cost): Likewise.
16610 (simd_vec_cost::reduc_f32_cost): Likewise.
16611 (simd_vec_cost::reduc_f64_cost): Likewise.
16612 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
16613 accordingly, using the vec_to_scalar_cost for the new fields.
16614 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
16615 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
16616 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
16617 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
16618 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
16619 (thunderx3t110_advsimd_vector_cost): Likewise.
16620 (aarch64_use_new_vector_costs_p): New function.
16621 (aarch64_simd_vec_costs): New function, split out from...
16622 (aarch64_builtin_vectorization_cost): ...here.
16623 (aarch64_is_reduction): New function.
16624 (aarch64_detect_vector_stmt_subtype): Likewise.
16625 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
16626 using the new vector costs.
16628 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
16631 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
16632 TLS declarations as public.
16634 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
16636 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
16637 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
16638 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
16639 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
16640 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
16641 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
16642 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
16643 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
16644 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
16646 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
16649 * config.gcc (*-*-cygwin*): Add winnt-d.o
16650 (*-*-mingw*): Likewise.
16651 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
16652 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
16653 * config/i386/t-cygming: Add winnt-d.o.
16654 * config/i386/winnt-d.c: New file.
16656 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
16658 * config/freebsd-d.c: Include memmodel.h.
16660 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
16663 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
16664 * config/t-openbsd: Add openbsd-d.o.
16665 * config/openbsd-d.c: New file.
16667 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
16669 PR tree-optimization/96974
16670 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
16671 with graceful exit.
16673 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
16676 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
16680 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
16681 always_inline in system headers.
16683 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
16685 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
16687 2021-03-25 Jakub Jelinek <jakub@redhat.com>
16690 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
16691 * fold-const.c (operand_compare::operand_equal_p): Don't compare
16692 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
16694 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
16698 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
16699 always_inline in system headers.
16701 2021-03-25 Richard Biener <rguenther@suse.de>
16703 PR tree-optimization/99746
16704 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
16705 the scalar stmt as patterned. Instead set up required things
16708 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
16710 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
16713 2021-03-24 Martin Liska <mliska@suse.cz>
16716 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
16718 * config/i386/i386-options.c (ix86_option_override_internal):
16719 Add run-time assert.
16721 2021-03-24 Martin Jambor <mjambor@suse.cz>
16724 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
16725 parameters with unknown type.
16726 (ipacp_value_safe_for_type): New function.
16727 (propagate_vals_across_arith_jfunc): Verify that the constant type
16728 can be used for a type of the formal parameter.
16729 (propagate_vals_across_ancestor): Likewise.
16730 (propagate_scalar_across_jump_function): Likewise. Pass the type
16731 also to propagate_vals_across_ancestor.
16733 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
16736 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
16738 (movmisalign<mode>_mve_load): Likewise.
16740 2021-03-24 Jakub Jelinek <jakub@redhat.com>
16743 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
16744 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
16746 2021-03-24 Alexandre Oliva <oliva@adacore.com>
16748 * doc/sourcebuild.texi (sysconf): New effective target.
16750 2021-03-24 Alexandre Oliva <oliva@adacore.com>
16752 * config/i386/predicates.md (reg_or_const_vec_operand): New.
16753 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
16754 the now *-prefixed insn_and_split, turn the splitter const vec
16755 into an input for the insn, making it an ignored immediate for
16756 non-split cases, and loaded into the scratch register
16759 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
16762 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
16763 Use define_relaxed_memory_constraint for them.
16765 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
16768 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
16769 colon to the diagnostic message.
16771 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
16773 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
16775 (try_fwprop_subst_note): Use set_info instead of insn_info.
16776 (try_fwprop_subst_pattern): Likewise.
16777 (try_fwprop_subst_notes): Likewise.
16778 (try_fwprop_subst): Likewise.
16779 (forward_propagate_subreg): Likewise.
16780 (forward_propagate_and_simplify): Likewise.
16781 (forward_propagate_into): Likewise.
16782 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
16784 (set_info::single_nondebug_insn_use): Likewise.
16785 (set_info::single_phi_use): Likewise.
16786 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
16788 (set_info::single_nondebug_insn_use): Likewise.
16789 (set_info::single_phi_use): Likewise.
16791 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
16793 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
16795 2021-03-23 Jakub Jelinek <jakub@redhat.com>
16798 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
16799 expand_mult to perform an unsigned rather than a signed
16802 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
16805 * config/i386/cpuid.h (__cpuid): Add __volatile__.
16806 (__cpuid_count): Likewise.
16808 2021-03-23 Richard Biener <rguenther@suse.de>
16810 PR tree-optimization/99721
16811 * tree-vect-slp.c (vect_slp_analyze_node_operations):
16812 Make sure we can schedule the node.
16814 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
16816 * config/riscv/riscv.c (riscv_subword): Take endianness into
16817 account when calculating the byte offset.
16819 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
16821 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
16822 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
16823 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
16824 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
16825 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
16826 new predicate "subreg_lowpart_operator"
16828 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
16830 * config/riscv/riscv.c (riscv_swap_instruction): New function
16831 to byteswap an SImode rtx containing an instruction.
16832 (riscv_trampoline_init): Byteswap the generated instructions
16835 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
16837 * common/config/riscv/riscv-common.c
16838 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
16839 * config.gcc (riscv32be-*, riscv64be-*): Set
16840 TARGET_BIG_ENDIAN_DEFAULT to 1.
16841 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
16842 depending on default endianness.
16843 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
16844 * config/riscv/linux.h (LINK_SPEC): Likewise.
16845 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
16846 default endianness.
16847 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
16849 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
16851 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
16852 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
16853 * config/riscv/linux.h (LINK_SPEC): Likewise.
16854 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
16856 (BYTES_BIG_ENDIAN): Handle big endian.
16857 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
16858 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
16860 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
16862 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
16864 * regcprop.c (find_oldest_value_reg): Ask target whether
16865 different mode is fine for replacement register.
16867 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
16869 PR tree-optimization/99296
16870 * value-range.cc (irange::irange_set_1bit_anti_range): New.
16871 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
16872 * value-range.h (irange::irange_set_1bit_anti_range): New.
16874 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
16877 * config/aarch64/constraints.md (UtQ): Use
16878 define_relaxed_memory_constraint for it.
16879 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
16880 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
16881 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
16882 (have_relaxed_memory_constraints): New static var.
16883 (relaxed_memory_start, relaxed_memory_end): Ditto.
16884 (add_constraint): Add arg is_relaxed_memory. Check name for
16885 relaxed memory. Set up is_relaxed_memory in constraint_data and
16886 have_relaxed_memory_constraints. Adjust calls.
16887 (choose_enum_order): Process relaxed memory.
16888 (write_tm_preds_h): Ditto.
16889 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
16890 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
16891 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
16892 * ira-lives.c (single_reg_class): Use
16893 insn_extra_relaxed_memory_constraint.
16894 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
16895 * lra-constraints.c (valid_address_p): Use
16896 insn_extra_relaxed_memory_constraint instead of other memory
16898 (process_alt_operands): Process CT_RELAXED_MEMORY.
16899 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
16900 * recog.c (asm_operand_ok, preprocess_constraints): Process
16902 * reload.c (find_reloads): Ditto.
16903 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
16904 * stmt.c (parse_input_constraint): Use
16905 insn_extra_relaxed_memory_constraint.
16907 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
16910 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
16913 2021-03-22 Alex Coplan <alex.coplan@arm.com>
16916 * config/arm/arm-protos.h (neon_make_constant): Add generate
16917 argument to guard emitting insns, default to true.
16918 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
16919 CONST_VECTORs which neon_make_constant can't handle.
16920 (neon_vdup_constant): Add generate argument, avoid emitting
16921 insns if it's not set.
16922 (neon_make_constant): Plumb new generate argument through.
16923 * config/arm/constraints.md (Ui): New. Use it...
16924 * config/arm/mve.md (*mve_mov<mode>): ... here.
16925 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
16926 synthesize constants.
16928 2021-03-22 Richard Biener <rguenther@suse.de>
16930 * debug.h: Add deprecation warning.
16932 2021-03-22 Richard Biener <rguenther@suse.de>
16934 PR tree-optimization/99694
16935 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
16938 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
16941 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
16942 after type checking.
16944 2021-03-22 Jakub Jelinek <jakub@redhat.com>
16948 * dwarf2out.c (get_full_len): Use get_precision rather than
16950 (add_const_value_attribute): Make sure add_AT_wide argument has
16951 precision prec rather than some very wide one.
16953 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
16955 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
16956 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
16957 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
16958 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
16959 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
16960 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
16961 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
16962 *fix_trunc<mode>si2_internal): Fix empty split condition.
16963 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
16964 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
16965 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
16966 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
16968 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
16971 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
16972 Convert idx to DImode.
16973 (rs6000_expand_vector_set_var_p8): Likewise.
16975 2021-03-21 Jakub Jelinek <jakub@redhat.com>
16978 * dwarf2out.c (insert_float): Change return type from void to
16979 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
16980 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
16983 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
16986 * config/i386/i386.c (construct_container): Check cfun != NULL
16987 before accessing silent_p.
16989 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
16991 * asan.c: Fix typos in comments.
16993 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
16995 PR rtl-optimization/99680
16996 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
16997 (process_address_1): Check empty constraint before using
17000 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
17002 * config/rs6000/rs6000.c (power10_cost): New.
17003 (rs6000_option_override_internal): Set Power10 costs.
17004 (rs6000_issue_rate): Set Power10 issue rate.
17005 * config/rs6000/power10.md: Rewrite for Power10.
17007 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
17010 * lra-constraints.c (process_address_1): Don't use unknown
17011 constraint for address constraint.
17013 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
17016 * config.gcc (powerpc-*-darwin8): Delete the reference to
17017 the now removed darwin8.h.
17019 2021-03-19 Olivier Hainque <hainque@adacore.com>
17022 * config/vxworksae.h (VX_CPU_PREFIX): Define.
17024 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
17026 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
17028 2021-03-19 Tamar Christina <tamar.christina@arm.com>
17030 PR tree-optimization/99656
17031 * tree-vect-slp-patterns.c (linear_loads_p,
17032 complex_add_pattern::matches, is_eq_or_top,
17033 vect_validate_multiplication, complex_mul_pattern::matches,
17034 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
17035 * tree-vectorizer.h: (complex_load_perm_t): Removed.
17036 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
17037 complex_load_perm_t.
17039 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
17042 * config/i386/i386-options.c (ix86_init_machine_status): Set
17044 * config/i386/i386.c (init_cumulative_args): Set silent_p to
17046 (construct_container): Return early for return and argument
17047 errors if silent_p is true.
17048 * config/i386/i386.h (machine_function): Add silent_p.
17050 2021-03-19 Jakub Jelinek <jakub@redhat.com>
17053 * config/arm/constraints.md (Ds): New constraint.
17054 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
17055 constraint instead of w,Dm.
17057 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
17059 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
17062 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
17064 PR middle-end/99641
17065 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
17066 array type, do the computation of the current position in sizetype.
17068 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
17071 * lra-constraints.c (process_address_1): Use lookup_constraint
17072 only for a single constraint.
17074 2021-03-18 Martin Sebor <msebor@redhat.com>
17076 PR middle-end/99502
17077 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
17078 (inbounds_memaccess_p): ...to this. Check the ending offset of
17079 the accessed member.
17081 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
17083 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
17084 %> quote markers to error messages.
17085 (gcn_goacc_validate_dims): Likewise.
17086 (gcn_conditional_register_usage): Remove exclaimation mark from error
17088 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
17090 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
17092 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
17095 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
17096 Kito Cheng <kito.cheng@sifive.com>
17098 * config/riscv/riscv.c (riscv_block_move_straight): Change type
17099 to unsigned HOST_WIDE_INT for parameter and local variable with
17100 HOST_WIDE_INT type.
17101 (riscv_adjust_block_mem): Ditto.
17102 (riscv_block_move_loop): Ditto.
17103 (riscv_expand_block_move): Ditto.
17105 2021-03-18 Nick Clifton <nickc@redhat.com>
17107 * config/v850/v850.c (construct_restore_jr): Increase static
17109 (construct_save_jarl): Likewise.
17110 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
17112 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17114 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
17115 (aarch64_override_options_internal): Use it.
17116 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
17119 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
17121 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
17122 error message format issues.
17123 (nios2_option_override): Likewise.
17124 (nios2_expand_fpu_builtin): Likewise.
17125 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
17126 truncation warning.
17127 (nios2_expand_custom_builtin): More error message format fixes.
17128 (nios2_expand_rdwrctl_builtin): Likewise.
17129 (nios2_expand_rdprs_builtin): Likewise.
17130 (nios2_expand_eni_builtin): Likewise.
17131 (nios2_expand_builtin): Likewise.
17132 (nios2_register_custom_code): Likewise.
17133 (nios2_valid_target_attribute_rec): Likewise.
17134 (nios2_add_insn_asm): Fix uninitialized variable warning.
17136 2021-03-17 Jan Hubicka <jh@suse.cz>
17138 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
17139 of gather to match reality.
17140 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
17142 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17144 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
17145 to compare against CC_REG rather than NE.
17147 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
17150 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
17151 inline assembly statements.
17152 (ix86_print_operand): Update 'P' handling for -fno-plt.
17154 2021-03-17 Tamar Christina <tamar.christina@arm.com>
17157 * config/aarch64/aarch64.c
17158 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
17160 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
17163 * config/rs6000/predicates.md (branch_comparison_operator): Allow
17164 ordered and unordered for CCFPmode, if flag_finite_math_only.
17166 2021-03-16 Jakub Jelinek <jakub@redhat.com>
17169 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
17170 rather than ASHIFT.
17171 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
17173 2021-03-16 Martin Liska <mliska@suse.cz>
17176 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
17177 cl_optimization_compare function.
17179 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
17181 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
17184 2021-03-16 Jakub Jelinek <jakub@redhat.com>
17187 * config/i386/i386.h (struct machine_function): Add
17188 has_explicit_vzeroupper bitfield.
17189 * config/i386/i386-expand.c (ix86_expand_builtin): Set
17190 cfun->machine->has_explicit_vzeroupper when expanding
17191 IX86_BUILTIN_VZEROUPPER.
17192 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
17193 Do the mode switching only when TARGET_VZEROUPPER, expensive
17194 optimizations turned on and not optimizing for size.
17195 (pass_insert_vzeroupper::gate): Enable even when
17196 cfun->machine->has_explicit_vzeroupper is set.
17198 2021-03-16 Jakub Jelinek <jakub@redhat.com>
17201 * config/aarch64/aarch64.c
17202 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
17203 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
17204 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
17206 2021-03-15 Richard Biener <rguenther@suse.de>
17208 PR tree-optimization/98834
17209 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
17210 subsetting by truncating the access size.
17212 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
17214 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
17215 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
17218 2021-03-15 Martin Liska <mliska@suse.cz>
17220 * spellcheck.c: Add missing comma in initialization.
17222 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
17224 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
17225 alternative 2 and alternative 1 with alternative 3 using
17226 YW register constraint.
17227 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
17228 using YW register constraint.
17229 (*vec_extractv16qi_zext): Ditto.
17230 (*vec_extractv4si): Merge alternatives 4 and 5
17231 using Yw register constraint.
17232 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
17234 2021-03-13 Martin Sebor <msebor@redhat.com>
17236 PR tree-optimization/99489
17237 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
17238 is not a call statement.
17240 2021-03-13 Jakub Jelinek <jakub@redhat.com>
17242 PR tree-optimization/99544
17243 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
17244 if for vector types multiplication can't be done in type's mode.
17246 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
17249 * config/sparc/constraints.md (w): Rename to...
17250 (W): ... this and ditch previous implementation.
17251 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
17252 (*movdf_insn_sp64): Likewise.
17253 (*mov<VM64:mode>_insn_sp64): Likewise.
17254 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
17256 (atomic_compare_and_swap_leon3_1): Likewise.
17257 (*atomic_compare_and_swapdi_v8plus): Likewise.
17258 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
17259 architecture and add missing address validity check during LRA.
17261 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
17264 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
17265 occuring for assumed-size arrays in use_device_{ptr,addr}.
17267 2021-03-12 Jakub Jelinek <jakub@redhat.com>
17270 * config/i386/constraints.md (YW): New internal constraint.
17271 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
17272 (*<sse2_avx2>_<insn><mode>3<mask_name>,
17273 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
17274 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
17276 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
17277 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
17278 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
17279 into one, use Yw instead of former x,v.
17280 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
17281 the last alternative.
17282 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
17283 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
17284 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
17285 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
17286 into one, use <v_Yw> instead of former x,v.
17287 (avx2_interleave_highv32qi<mask_name>,
17288 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
17289 constraints. Add && <mask_avx512bw_condition> to condition.
17290 (avx2_interleave_lowv32qi<mask_name>,
17291 vec_interleave_lowv16qi<mask_name>,
17292 avx2_interleave_highv16hi<mask_name>,
17293 vec_interleave_highv8hi<mask_name>,
17294 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
17295 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
17296 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
17297 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
17298 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
17299 Yw instead of v in constraints.
17300 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
17301 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
17302 instead of Yv in constraints.
17303 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
17304 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
17305 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
17306 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
17307 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
17309 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
17310 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
17311 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
17312 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
17313 two, one with just x, another isa avx512vl with v.
17315 2021-03-12 Martin Liska <mliska@suse.cz>
17317 * doc/invoke.texi: Add missing param documentation.
17319 2021-03-11 David Malcolm <dmalcolm@redhat.com>
17322 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
17323 analyzer/trimmed-graph.o.
17324 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
17325 feasibility checking to reflect new implementation.
17326 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
17328 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
17330 2021-03-11 David Malcolm <dmalcolm@redhat.com>
17332 * digraph.cc (selftest::test_shortest_paths): Update
17333 shortest_paths init for new param. Add test of
17334 SPS_TO_GIVEN_TARGET.
17335 * shortest-paths.h (enum shortest_path_sense): New.
17336 (shortest_paths::shortest_paths): Add "sense" param.
17337 Update for renamings. Generalize to use "sense" param.
17338 (shortest_paths::get_shortest_path): Rename param.
17339 (shortest_paths::m_sense): New field.
17340 (shortest_paths::m_prev): Rename...
17341 (shortest_paths::m_best_edge): ...to this.
17342 (shortest_paths::get_shortest_path): Update for renamings.
17343 Conditionalize flipping of path on sense of traversal.
17345 2021-03-11 David Malcolm <dmalcolm@redhat.com>
17347 * digraph.cc (selftest::test_shortest_paths): Add test coverage
17348 for paths from B and C.
17349 * shortest-paths.h (shortest_paths::shortest_paths): Handle
17350 unreachable nodes, rather than asserting.
17352 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
17355 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
17356 xcoff_tbss_section_name.
17357 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
17358 * xcoffout.c (xcoff_tbss_section_name): Delete.
17359 * xcoffout.h (xcoff_tbss_section_name): Delete.
17361 2021-03-11 Richard Biener <rguenther@suse.de>
17363 PR tree-optimization/99523
17364 * tree-cfg.c (dump_function_to_file): Dump SSA names
17365 w/o identifier to the decls section as well, not only those
17366 without a VAR_DECL.
17368 2021-03-11 Jakub Jelinek <jakub@redhat.com>
17371 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
17372 function calls with lhs fail if the lhs don't have compatible types.
17374 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
17376 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
17377 Change FRAME_POINTER_REGNUM to correspond to a new faked
17378 register faked_fp, part of GENNONACR_REGS like faked_ap.
17379 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
17380 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
17381 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
17382 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
17383 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
17385 (CRIS_REAL_FP_REGNUM): New constant.
17386 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
17387 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
17388 (cris_initial_elimination_offset): Handle elimination changes
17389 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
17390 and add one from FRAME_POINTER_REGNUM to
17391 HARD_FRAME_POINTER_REGNUM.
17392 (cris_expand_prologue, cris_expand_epilogue): Emit code for
17393 hard_frame_pointer_rtx instead of frame_pointer_rtx.
17395 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
17398 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
17399 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
17401 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
17404 * lra-constraints.c (process_address_1): Don't check unknown
17405 constraint, use X for empty constraint.
17407 2021-03-10 Alex Coplan <alex.coplan@arm.com>
17409 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
17410 Fix typo in comment describing "is_ha" argument.
17412 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
17414 * doc/sourcebuild.texi: Document LRA target selector.
17416 2021-03-10 David Malcolm <dmalcolm@redhat.com>
17418 * doc/ux.texi: Add subsection contrasting interactive versus
17419 batch usage of GCC.
17421 2021-03-10 Joel Hutton <joel.hutton@arm.com>
17424 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
17426 (vectorizable_load): Fix gather load mask check condition.
17428 2021-03-10 Richard Biener <rguenther@suse.de>
17430 PR tree-optimization/99510
17431 * tree.c (check_aligned_type): Check that the candidate
17432 has TYPE_USER_ALIGN set instead of matching with the
17435 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
17437 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
17438 float and vector integer modes only if the mode is not larger.
17440 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
17442 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
17444 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
17446 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
17448 * ira-lives.c (single_reg_class): Ditto.
17450 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
17452 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
17453 the architecture-specific rtems.h.
17454 (aarch64-*-rtems*): Likewise.
17455 (arm*-*-rtems*): Likewise.
17456 (epiphany-*-rtems*): Likewise.
17457 (riscv*-*-rtems*): Likewise.
17459 2021-03-09 Jakub Jelinek <jakub@redhat.com>
17461 PR tree-optimization/99305
17462 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
17463 before integer_all_onesp instead of vice versa.
17465 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
17467 * common/config/arm/arm-common.c (arm_config_default): Change type
17468 of 'i' to unsigned.
17470 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
17473 * lra-constraints.c (process_address_1): Process constraint 'g'
17474 separately and digital constraints containing more one digit.
17476 2021-03-09 Nick Clifton <nickc@redhat.com>
17478 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
17479 (DWARF"_DEBUGGING_INFO): Define.
17481 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
17484 * calls.c (initialize_argument_information): When the argument
17485 is passed by reference, do not make a copy in a thunk only if
17486 the argument is already in memory. Remove redundant test for
17487 the case of callee copy.
17489 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
17492 * lra-constraints.c (process_address_1): Process 0..9 constraints
17493 in process_address_1.
17495 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
17497 * config/s390/s390.c (struct s390_processor processor_table):
17498 Binutils name string must not be empty.
17500 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
17502 * config/arc/arc.c (arc_attr_type): Remove function.
17504 2021-03-09 Martin Liska <mliska@suse.cz>
17507 * config/i386/i386-options.c (ix86_option_override_internal):
17508 Set isa_flags for OPTS argument and not for the global
17511 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
17513 * config/rs6000/predicates.md (ds_form_mem_operand): Check
17516 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
17519 * config/rs6000/predicates.md (ds_form_mem_operand) New
17521 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
17522 ds_form_mem_operand in ld/lwa patterns.
17523 * config/rs6000/fusion.md: Regenerate file.
17525 2021-03-08 Martin Sebor <msebor@redhat.com>
17527 PR middle-end/98266
17528 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
17529 (array_bounds_checker::check_array_bounds): Call it.
17531 2021-03-08 Martin Sebor <msebor@redhat.com>
17533 PR middle-end/97631
17534 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
17535 (handle_builtin_stxncpy_strncat): Rename locals. Determine
17536 destination size from allocation calls. Issue a more appropriate
17538 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
17539 (handle_builtin_memset): Same.
17541 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
17544 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
17545 to ensure we do not have an Altivec style address.
17546 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
17547 an Altivec style address.
17548 (*vsx_le_perm_store_<mode>): Likewise.
17549 (splitters after *vsx_le_perm_store_<mode>): Likewise.
17550 (vsx_load_<mode>): Disable special expander if passed an Altivec
17552 (vsx_store_<mode>): Likewise.
17554 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17557 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
17558 (aarch64_simd_shift_imm_vec_hi): Likewise.
17559 (aarch64_simd_shift_imm_vec_si): Likewise.
17560 (aarch64_simd_shift_imm_vec_di): Likewise.
17561 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
17562 predicate from above.
17563 (aarch64_shrn<mode>_insn_be): Likewise.
17564 (aarch64_rshrn<mode>_insn_le): Likewise.
17565 (aarch64_rshrn<mode>_insn_be): Likewise.
17566 (aarch64_shrn2<mode>_insn_le): Likewise.
17567 (aarch64_shrn2<mode>_insn_be): Likewise.
17568 (aarch64_rshrn2<mode>_insn_le): Likewise.
17569 (aarch64_rshrn2<mode>_insn_be): Likewise.
17571 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
17574 * lra-constraints.c (skip_contraint_modifiers): New function.
17575 (process_address_1): Use it before lookup_constraint call.
17577 2021-03-08 Martin Liska <mliska@suse.cz>
17580 * config/i386/i386-options.c (ix86_option_override_internal):
17581 Enable UINTR and HRESET for -march that supports it.
17583 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
17585 * config/s390/s390.c (f_constraint_p): New function.
17586 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
17587 (TARGET_MD_ASM_ADJUST): Likewise.
17589 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
17592 * tree-nested.c (convert_local_reference_stmt): Avoid calling
17593 lookup_field_for_decl for Fortran module (= namespace context).
17595 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
17597 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
17598 comparison with arithmetic right shift.
17599 (s390_expand_vcond): No need for a force_reg anymore.
17600 s390_vec_compare will do it.
17601 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
17602 immediate operands.
17604 2021-03-07 Jakub Jelinek <jakub@redhat.com>
17607 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
17608 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
17610 * config/i386/sse.md (v_Yw): New define_mode_attr.
17611 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
17612 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
17614 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
17615 xYw in constraints.
17617 2021-03-06 Julian Brown <julian@codesourcery.com>
17619 * tree-pretty-print.c (dump_generic_node): Emit non-generic
17620 address space info for aggregates.
17622 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
17624 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
17626 2021-03-05 Jakub Jelinek <jakub@redhat.com>
17628 PR middle-end/99322
17629 * tree-cfg.c (bb_to_omp_idx): New variable.
17630 (execute_build_cfg): Release the bb_to_omp_idx vector after
17631 cleanup_tree_cfg returns.
17632 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
17633 for bb_to_omp_idx being a vec<int> instead of pointer to array
17635 (make_edges): Remove bb_to_omp_idx local variable, don't pass
17636 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
17637 vec<int> instead of pointer to array of ints and don't free/release
17639 (remove_bb): When removing a bb and placing forced label somewhere
17640 else, ensure it is put into the same OpenMP region during cfg
17641 pass if possible or to entry successor as fallback. Unregister
17642 bb from bb_to_omp_idx.
17644 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
17647 * lra-constraints.c (process_address_1): Skip decomposing address
17648 for asm insn operand with unknown constraint.
17650 2021-03-05 Martin Jambor <mjambor@suse.cz>
17653 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
17654 corresponding speculative edges if we are about to resolve
17655 sepculation. Make edge direct (and so resolve speculations) before
17656 removing it from call_site_hash.
17657 (cgraph_edge::make_direct): Relax the initial assert to allow calling
17658 the function on speculative direct edges.
17660 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
17662 PR rtl-optimization/99376
17663 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
17664 of low-order zero bits is too large, set the result to 0 directly.
17666 2021-03-04 Jakub Jelinek <jakub@redhat.com>
17668 PR middle-end/93235
17669 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
17670 SUBREG and a SUBREG to op_mode can't be created.
17672 2021-03-04 Alex Coplan <alex.coplan@arm.com>
17675 * config/aarch64/aarch64-sve-builtins.cc
17676 (function_resolver::require_vector_type): Handle error_mark_node.
17678 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
17680 * cfgexpand.c (expand_asm_loc): Pass new parameter.
17681 (expand_asm_stmt): Likewise.
17682 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
17684 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
17685 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
17686 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
17687 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
17688 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
17689 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
17690 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
17691 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
17692 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
17693 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
17694 * doc/tm.texi (md_asm_adjust): Likewise.
17695 * target.def (md_asm_adjust): Likewise.
17697 2021-03-04 Richard Biener <rguenther@suse.de>
17699 PR middle-end/97855
17700 * tree-pretty-print.c: Poison pp_printf.
17701 (dump_decl_name): Avoid use of pp_printf.
17702 (dump_block_node): Likewise.
17703 (dump_generic_node): Likewise.
17705 2021-03-04 Martin Sebor <msebor@redhat.com>
17707 PR middle-end/96963
17708 PR middle-end/94655
17709 * builtins.c (handle_array_ref): New helper.
17710 (handle_mem_ref): New helper.
17711 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
17712 into new helper functions. Correct a workaround for vectorized
17715 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
17717 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
17718 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
17719 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
17720 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
17721 attribute for Power10.
17722 * config/rs6000/mma.md (*movoo): Likewise.
17723 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
17724 (define_mode_attr bits): Add DD/TD modes.
17725 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
17726 store_conditionalpti): Update size attribute for Power10.
17728 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
17731 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
17732 -Wuninitialized, -Wmaybe-uninitialized.
17733 (wide-int.o-warn): Likewise.
17735 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
17737 * common/config/arm/arm-common.c: Include configargs.h.
17738 (arm_config_default): New function.
17739 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
17740 processors that do not support Thumb. Take into account the
17741 --with-mode configuration setting for selecting the default.
17742 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
17743 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
17745 2021-03-03 Martin Liska <mliska@suse.cz>
17747 PR gcov-profile/97461
17748 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
17750 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
17753 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
17754 point back the hard frame pointer to its default location when the
17755 frame is larger than SEH_MAX_FRAME_SIZE.
17757 2021-03-03 Jakub Jelinek <jakub@redhat.com>
17760 * config/i386/predicates.md (logic_operator): New define_predicate.
17761 * config/i386/i386.md (mov + mem using comm arith peephole2):
17762 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
17763 and the inner mode is [QH]Imode.
17765 2021-03-03 Jakub Jelinek <jakub@redhat.com>
17768 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
17769 (new_loc_list): Clear end_entry.
17770 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
17771 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
17773 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
17774 initialize also end_entry.
17776 2021-03-03 Jakub Jelinek <jakub@redhat.com>
17779 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
17780 partitions, if in non-layout mode after reorder_blocks also move
17781 affected blocks to ensure a single partition transition.
17783 2021-03-03 Jason Merrill <jason@redhat.com>
17786 * cgraphunit.c (process_function_and_variable_attributes): Don't
17787 warn about flatten on an alias if the target also has it.
17788 * cgraph.h (symtab_node::get_alias_target_tree): New.
17790 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
17792 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
17793 period to symbol name.
17794 (tls_get_addr_internal<mode>): Same.
17796 2021-03-02 David Malcolm <dmalcolm@redhat.com>
17799 * diagnostic-show-locus.c
17800 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
17803 2021-03-02 Martin Sebor <msebor@redhat.com>
17805 PR middle-end/99276
17806 * builtins.c (warn_for_access): Remove stray warning text.
17808 2021-03-02 Martin Sebor <msebor@redhat.com>
17810 PR middle-end/99295
17811 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
17814 2021-03-02 Jakub Jelinek <jakub@redhat.com>
17817 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
17818 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
17819 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
17820 DW_MACRO_define_strx and DW_MACRO_undef_strx.
17821 (save_macinfo_strings): Use DW_MACRO_*_str* even with
17822 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
17823 DW_MACRO_undef_strx.
17825 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
17827 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
17829 (BT_FN_V8HI_V8HI_UINT): Likewise.
17830 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
17831 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
17832 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
17833 New builtin definitions.
17834 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
17835 vector extension version.
17836 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
17837 available with current -march level.
17838 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
17839 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
17840 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
17841 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
17842 (vec_extend_to_fp32_lo): Likewise.
17843 (vec_round_from_fp32): Likewise.
17844 (vec_convert_to_fp16): Likewise.
17845 (vec_convert_from_fp16): Likewise.
17846 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
17847 (vclfnls_v8hi): Likewise.
17848 (vcrnfs_v8hi): Likewise.
17849 (vcfn_v8hi): Likewise.
17850 (vcnf_v8hi): Likewise.
17852 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
17854 * common/config/s390/s390-common.c (processor_flags_table): New entry.
17855 * config.gcc: Enable arch14 for --with-arch and --with-tune.
17856 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
17857 arch14 for unknown CPU models.
17858 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
17859 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
17860 (s390_get_sched_attrmask): Likewise.
17861 (s390_get_unit_mask): Likewise.
17862 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
17863 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
17864 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
17865 (TARGET_NNPA_P): New macro definitions.
17866 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
17867 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
17869 2021-03-02 Jakub Jelinek <jakub@redhat.com>
17871 PR middle-end/95757
17872 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
17873 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
17874 != 1 comparisons if name is lhs of a comparison.
17876 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
17880 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
17881 * config/darwin.c (darwin_should_restore_cfa_state): New.
17882 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
17883 * doc/tm.texi: Regenerated.
17884 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
17885 * dwarf2cfi.c (connect_traces): If the target requests, restore
17886 the CFA expression after a DW_CFA_restore.
17887 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
17889 2021-03-01 Martin Liska <mliska@suse.cz>
17892 * optc-save-gen.awk: Add 4 more exceptions.
17894 2021-03-01 Nathan Sidwell <nathan@acm.org>
17897 * tree.h (TYPE_ALIGN_RAW): New accessor.
17898 (TYPE_ALIGN): Use it.
17900 2021-03-01 Jan Hubicka <jh@suse.cz>
17903 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
17905 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
17908 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
17909 point the hard frame pointer to the SSE register save area instead
17910 of the general register save area. Perform only minimal adjustment
17911 for small frames if it is initially not correctly aligned.
17912 (ix86_expand_prologue): Remove early saves for a SEH target.
17913 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
17915 2021-02-28 Jakub Jelinek <jakub@redhat.com>
17918 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
17919 typo - referneced -> referenced.
17920 * tree.c (component_ref_size): Fix comment typo -
17921 refernce -> reference.
17922 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
17923 traling -> trailing.
17924 (aliasing_component_refs_p): Fix comment typos -
17925 refernce -> reference and refernece -> reference and
17926 traling -> trailing.
17927 (nonoverlapping_refs_since_match_p): Fix comment typo -
17928 referneces -> references.
17929 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
17930 referneces -> references.
17932 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
17934 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
17935 diagnostic message to avoid use of a contraction and format
17938 2021-02-27 Jakub Jelinek <jakub@redhat.com>
17941 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
17942 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
17943 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
17944 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
17947 2021-02-26 Richard Biener <rguenther@suse.de>
17949 PR middle-end/99281
17950 * expr.c (store_field): For calls with return-slot optimization
17951 and addressable return type expand the store directly.
17953 2021-02-26 Richard Biener <rguenther@suse.de>
17956 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
17958 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
17961 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
17964 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
17966 * config.gcc: Add rs6000-pcrel-opt.o.
17967 * config/rs6000/rs6000-pcrel-opt.c: New file.
17968 * config/rs6000/pcrel-opt.md: New file.
17969 * config/rs6000/predicates.md: Add d_form_memory predicate.
17970 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
17971 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
17972 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
17973 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
17974 and make_pass_pcrel_opt().
17975 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
17976 (rs6000_option_override_internal): Add pcrel-opt.
17977 (rs6000_delegitimize_address): Support pcrel-opt.
17978 (rs6000_opt_masks): Add pcrel-opt.
17979 (pcrel_opt_valid_mem_p): New function.
17980 (reg_to_non_prefixed): Make global.
17981 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
17982 (output_pcrel_opt_reloc): New function.
17983 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
17984 (pcrel_extern_addr): Set loads_extern_addr.
17985 Add include for pcrel-opt.md.
17986 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
17987 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
17990 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
17993 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
17994 If TARGET_64BIT and dest is SUBREG, we check the width, if it
17995 equal to SImode, we use SImode operation, just like what we are
17998 2021-02-26 Marek Polacek <polacek@redhat.com>
18000 * builtins.c (warn_for_access): Fix typos.
18002 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
18004 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
18005 mark in front of the immediate quantity.
18006 (<optab>_rolsi3_uxtw): Likewise.
18008 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
18011 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
18012 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
18013 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
18014 address and disable when the FPCXT is not available.
18015 (nonsecure_call_value_reg_thumb2): Likewise.
18017 2021-02-25 Nathan Sidwell <nathan@acm.org>
18020 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
18022 2021-02-25 Tamar Christina <tamar.christina@arm.com>
18024 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
18026 2021-02-25 Richard Biener <rguenther@suse.de>
18028 PR tree-optimization/99253
18029 * tree-vect-loop.c (check_reduction_path): First compute
18030 code, then verify out-of-loop uses.
18032 2021-02-25 Jakub Jelinek <jakub@redhat.com>
18035 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
18037 2021-02-25 Jakub Jelinek <jakub@redhat.com>
18039 PR tree-optimization/80635
18040 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
18041 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
18042 has mode precision.
18044 2021-02-25 Richard Biener <rguenther@suse.de>
18046 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
18047 load_map population.
18048 (vect_match_slp_patterns_2): Revert part of last change.
18049 (vect_analyze_slp): Do not interleave optimize_load_redistribution
18050 with pattern detection but do it afterwards. Dump the
18051 whole SLP graph after pattern recognition and load
18052 redistribution optimization finished.
18054 2021-02-24 Jakub Jelinek <jakub@redhat.com>
18057 * omp-low.c (struct omp_context): Add teams_nested_p and
18058 nonteams_nested_p members.
18059 (scan_omp_target): Diagnose teams nested inside of target with other
18060 directives strictly nested inside of the same target.
18061 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
18062 ctx->nonteams_nested_p as needed.
18064 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
18066 PR inline-asm/99123
18067 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
18069 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
18071 * config/cris/cris.c (cris_expand_prologue): Set
18072 current_function_static_stack_size, if flag_stack_usage_info.
18074 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
18076 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
18077 (rs6000_final_prescan_insn): Adjust.
18078 (rs6000_asm_output_opcode): Likewise.
18080 2021-02-24 Martin Sebor <msebor@redhat.com>
18082 PR middle-end/97172
18083 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
18084 from function arguments.
18086 2021-02-24 Tamar Christina <tamar.christina@arm.com>
18088 PR tree-optimization/99220
18089 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
18090 node from cache when it's about to be deleted.
18092 2021-02-24 Jakub Jelinek <jakub@redhat.com>
18094 PR tree-optimization/99225
18095 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
18096 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
18097 build_int_cst (..., 1). Formatting fixes.
18099 2021-02-24 Tamar Christina <tamar.christina@arm.com>
18101 PR tree-optimization/99149
18102 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
18104 (vect_slp_reset_pattern): Remove.
18105 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
18106 (complex_mul_pattern::build, complex_fma_pattern::build,
18107 complex_fms_pattern::build): Fix ref counts.
18108 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
18109 when node is being deleted.
18110 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
18111 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
18113 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
18115 2021-02-24 Matthias Klose <doko@ubuntu.com>
18118 2020-12-07 Matthias Klose <doko@ubuntu.com>
18120 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
18121 and ENABLE_RTL_FLAG_CHECKING.
18123 2021-02-24 Richard Biener <rguenther@suse.de>
18126 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
18128 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
18130 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
18131 (vsx_assemble_pair): ...to this.
18132 (*mma_assemble_pair): Rename from this...
18133 (*vsx_assemble_pair): ...to this.
18134 (mma_disassemble_pair): Rename from this...
18135 (vsx_disassemble_pair): ...to this.
18136 (*mma_disassemble_pair): Rename from this...
18137 (*vsx_disassemble_pair): ...to this.
18138 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
18139 BU_COMPAT): New macros.
18140 (mma_assemble_pair): Rename from this...
18141 (vsx_assemble_pair): ...to this.
18142 (mma_disassemble_pair): Rename from this...
18143 (vsx_disassemble_pair): ...to this.
18144 (mma_assemble_pair): New compatibility built-in.
18145 (mma_disassemble_pair): Likewise.
18146 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
18147 (RS6000_BUILTIN_COMPAT): Define.
18148 (bdesc_compat): New.
18149 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
18150 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
18151 and VSX_BUILTIN_ASSEMBLE_PAIR.
18152 (rs6000_init_builtins): Register compatibility built-ins.
18153 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
18154 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
18155 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
18156 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
18157 (__builtin_vsx_assemble_pair): ...to this.
18158 (__builtin_mma_disassemble_pair): Rename from this...
18159 (__builtin_vsx_disassemble_pair): ...to this.
18161 2021-02-23 Martin Liska <mliska@suse.cz>
18164 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
18165 with different alignment. That leads to an invalid red zone
18166 size allocated in runtime.
18168 2021-02-23 Jakub Jelinek <jakub@redhat.com>
18170 PR tree-optimization/99204
18171 * fold-const.c (fold_read_from_constant_string): Check that
18172 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
18174 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
18175 Kewen Lin <linkw@gcc.gnu.org>
18177 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
18178 (rotl<mode>3_insert_3): ...this.
18179 (plus_ior_xor): New code_iterator.
18180 (define_split for GPR rl*imi): New splitter.
18181 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
18182 for integer merging.
18184 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18186 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
18188 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
18189 into a register when the above is enabled.
18190 * config/aarch64/aarch64.c (neoversev1_tunings):
18191 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
18192 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
18194 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
18196 * config/cris/cris.c (cris_print_operand) <'T'>: Change
18197 valid operand from is now an addi mult-value to shift-value.
18198 * config/cris/cris.md (*addi): Change expression of scaled
18199 operand from mult to ashift.
18200 * config/cris/cris.md (*addi_reload): New insn_and_split.
18202 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
18205 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
18206 hook_bool_const_tree_hwi_hwi_const_tree_true.
18207 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
18209 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
18211 PR rtl-optimization/98791
18212 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
18213 for unordered modes.
18215 2021-02-22 Martin Liska <mliska@suse.cz>
18217 * tree-inline.c (inline_forbidden_p): Set
18218 inline_forbidden_reason.
18220 2021-02-22 Richard Biener <rguenther@suse.de>
18222 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
18225 2021-02-22 Richard Biener <rguenther@suse.de>
18227 PR tree-optimization/99165
18228 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
18229 Accumulate changed to ret.
18231 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
18234 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
18236 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
18238 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
18241 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
18243 (trunctf<DFP_ALL:mode>2): Likewise.
18244 (trunctdtf2_vr): Likewise.
18245 (trunctdtf2): Likewise.
18246 (extend<DFP_ALL:mode>tf2_vr): Likewise.
18247 (extend<DFP_ALL:mode>tf2): Likewise.
18248 (extendtftd2_vr): Likewise.
18249 (extendtftd2): Likewise.
18251 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
18253 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
18254 add memory alternative.
18255 (tf_to_fprx2): New pattern.
18257 2021-02-19 Martin Sebor <msebor@redhat.com>
18260 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
18261 (attr_access::free_lang_data): Remove a spurious test.
18263 2021-02-19 Nathan Sidwell <nathan@acm.org>
18265 * doc/invoke.texi (flang-info-module-read): Document.
18267 2021-02-19 Martin Liska <mliska@suse.cz>
18269 PR translation/99167
18270 * params.opt: Fix typo.
18272 2021-02-19 Richard Biener <rguenther@suse.de>
18274 PR middle-end/99122
18275 * tree-inline.c (inline_forbidden_p): Do not inline functions
18276 with VLA arguments or return value.
18278 2021-02-19 Jakub Jelinek <jakub@redhat.com>
18281 * config/arm/arm.md (*stack_protect_combined_set_insn,
18282 *stack_protect_combined_test_insn): If force_const_mem result
18283 is not valid general operand, force its address into the destination
18286 2021-02-19 Jakub Jelinek <jakub@redhat.com>
18289 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
18290 pad or non-local label, put FORCED_LABELs from bb b after that label
18291 rather than before it.
18293 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
18296 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
18297 expand_vector_broadcast' to emit the vec_duplicate operand.
18299 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
18301 PR rtl-optimization/96264
18302 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
18305 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
18308 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
18309 looking up the retain attribute.
18310 (resolve_unique_section): Likewise.
18311 (get_variable_section): Likewise.
18312 (switch_to_section): Likewise. Warn when a symbol without the
18313 retain attribute and a symbol with the retain attribute are
18314 placed in the section with the same name, instead of the used
18316 * doc/extend.texi: Document the "retain" attribute.
18318 2021-02-18 Nathan Sidwell <nathan@acm.org>
18321 * doc/invoke.texi (flang-info-include-translate): Document header
18324 2021-02-18 Richard Biener <rguenther@suse.de>
18326 PR middle-end/99122
18327 * ipa-fnsummary.c (analyze_function_body): Set
18328 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
18329 * tree-inline.c (insert_init_debug_bind): Pass NULL for
18330 error_mark_node values.
18331 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
18333 (setup_one_parameter): Delay force_value_to_type until when
18336 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
18338 PR tree-optimization/99142
18339 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
18341 2021-02-18 Jakub Jelinek <jakub@redhat.com>
18343 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
18344 wide_int_bitmask::wide_int_bitmask (uint64_t),
18345 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
18346 wide_int_bitmask::operator ~ () const,
18347 wide_int_bitmask::operator | (wide_int_bitmask) const,
18348 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
18350 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
18351 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
18352 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
18353 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
18354 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
18355 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
18356 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
18357 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
18358 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
18359 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
18360 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
18361 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
18362 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
18363 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
18364 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
18365 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
18366 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
18367 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
18368 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
18369 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
18370 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
18371 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
18372 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
18373 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
18375 2021-02-18 Jakub Jelinek <jakub@redhat.com>
18377 PR middle-end/99109
18378 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
18379 (build_printable_array_type): ... this. Add nelts argument. For
18380 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
18381 nelts, call build_array_type_nelts.
18382 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
18383 instead of build_zero_elt_array_type and build_array_type_nelts.
18385 2021-02-18 Jakub Jelinek <jakub@redhat.com>
18388 * config/i386/i386.c (distance_non_agu_define): Don't call
18389 extract_insn_cached here.
18390 (ix86_lea_outperforms): Save and restore recog_data around call
18391 to distance_non_agu_define and distance_agu_use.
18392 (ix86_ok_to_clobber_flags): Remove.
18393 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
18394 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
18395 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
18396 into define_insn. Move the splitting to define_peephole2 and
18397 check there using peep2_regno_dead_p if FLAGS_REG is dead.
18399 2021-02-17 Julian Brown <julian@codesourcery.com>
18401 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
18404 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
18407 * config/mips/mips.c (mips_symbol_insns): Do not use
18408 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
18410 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
18412 PR inline-asm/98096
18413 * stmt.c (resolve_operand_name_1): Take inout operands into account
18414 for access to labels by names.
18415 * doc/extend.texi: Describe counting operands for accessing labels.
18417 2021-02-16 Richard Biener <rguenther@suse.de>
18419 PR tree-optimization/38474
18420 * tree-ssa-structalias.c (variable_info::address_taken): New.
18421 (new_var_info): Initialize address_taken.
18422 (process_constraint): Set address_taken.
18423 (solve_constraints): Use the new address_taken flag rather
18424 than is_reg_var for sorting variables.
18425 (dump_constraint): Dump the variable number if the name
18428 2021-02-16 Jakub Jelinek <jakub@redhat.com>
18431 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
18432 multiply by 4096 and for inbranch by 8192.
18433 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
18434 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
18436 2021-02-15 Maya Rashish <coypu@sdf.org>
18438 * config/aarch64/aarch64.c (aarch64_init_builtins):
18439 Call SUBTARGET_INIT_BUILTINS.
18441 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
18443 PR rtl-optimization/98872
18444 * init-regs.c (initialize_uninitialized_regs): Skip initialization
18445 if CONST0_RTX is NULL.
18447 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
18449 PR rtl-optimization/98863
18450 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
18451 (function_info::build_info): Turn into a declaration, moving the
18452 definition to internals.h.
18453 (function_info::bb_walker): Declare.
18454 (function_info::create_reg_use): Likewise.
18455 (function_info::calculate_potential_phi_regs): Take a build_info
18457 (function_info::place_phis, function_info::create_ebbs): Declare.
18458 (function_info::calculate_ebb_live_in_for_debug): Likewise.
18459 (function_info::populate_backedge_phis): Delete.
18460 (function_info::start_block, function_info::end_block): Declare.
18461 (function_info::populate_phi_inputs): Delete.
18462 (function_info::m_potential_phi_regs): Move information to build_info.
18463 * rtl-ssa/internals.h: New file.
18464 (function_info::bb_phi_info): New class.
18465 (function_info::build_info): Moved from functions.h.
18466 Add a constructor and destructor.
18467 (function_info::build_info::ebb_use): Delete.
18468 (function_info::build_info::ebb_def): Likewise.
18469 (function_info::build_info::bb_live_out): Likewise.
18470 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
18471 (function_info::build_info::potential_phi_regs): Likewise.
18472 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
18473 (function_info::build_info::ebb_def_regs): Likewise.
18474 (function_info::build_info::bb_phis): Likewise.
18475 (function_info::build_info::bb_mem_live_out): Likewise.
18476 (function_info::build_info::bb_to_rpo): Likewise.
18477 (function_info::build_info::def_stack): Likewise.
18478 (function_info::build_info::old_def_stack_limit): Likewise.
18479 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
18480 Remove the regno argument. Push the previous definition onto the
18481 definition stack where necessary.
18482 * rtl-ssa/accesses.cc: Include internals.h.
18483 * rtl-ssa/changes.cc: Likewise.
18484 * rtl-ssa/blocks.cc: Likewise.
18485 (function_info::build_info::build_info): Define.
18486 (function_info::build_info::~build_info): Likewise.
18487 (function_info::bb_walker): New class.
18488 (function_info::bb_walker::bb_walker): Define.
18489 (function_info::add_live_out_use): Convert a logarithmic-complexity
18490 test into a linear one. Allow the same definition to be passed
18492 (function_info::calculate_potential_phi_regs): Moved from
18493 functions.cc. Take a build_info parameter and store the
18494 information there instead.
18495 (function_info::place_phis): New function.
18496 (function_info::add_entry_block_defs): Update call to record_reg_def.
18497 (function_info::calculate_ebb_live_in_for_debug): New function.
18498 (function_info::add_phi_nodes): Use bb_phis to decide which
18499 registers need phi nodes and initialize ebb_def_regs accordingly.
18500 Do not add degenerate phis here.
18501 (function_info::add_artificial_accesses): Use create_reg_use.
18502 Assert that all definitions are listed in the DF LR sets.
18503 Update call to record_reg_def.
18504 (function_info::record_block_live_out): Record live-out register
18505 values in the phis of successor blocks. Use the live-out set
18506 when processing the last block in an EBB, instead of always
18507 using the live-in sets of successor blocks. AND the live sets
18508 with the set of registers that have been defined in the EBB,
18509 rather than with all potential phi registers. Cope correctly
18510 with branches back to the start of the current EBB.
18511 (function_info::start_block): New function.
18512 (function_info::end_block): Likewise.
18513 (function_info::populate_phi_inputs): Likewise.
18514 (function_info::create_ebbs): Likewise.
18515 (function_info::process_all_blocks): Rewrite into a multi-phase
18517 * rtl-ssa/functions.cc: Include internals.h.
18518 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
18519 (function_info::init_function_data): Remove caller.
18520 * rtl-ssa/insns.cc: Include internals.h
18521 (function_info::create_reg_use): New function. Lazily any
18522 degenerate phis needed by the linear RPO view.
18523 (function_info::record_use): Use create_reg_use. When processing
18524 debug uses, use potential_phi_regs and test it before checking
18525 whether the register is live on entry to the current EBB. Lazily
18526 calculate ebb_live_in_for_debug.
18527 (function_info::record_call_clobbers): Update call to record_reg_def.
18528 (function_info::record_def): Likewise.
18530 2021-02-15 Martin Liska <mliska@suse.cz>
18532 * toplev.c (init_asm_output): Free output of
18533 gen_command_line_string function.
18534 (process_options): Likewise.
18536 2021-02-15 Martin Liska <mliska@suse.cz>
18538 * params.opt: Add 2 missing Param keywords.
18540 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
18542 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
18544 2021-02-15 Jakub Jelinek <jakub@redhat.com>
18546 PR tree-optimization/99079
18547 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
18548 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
18549 require both type and TREE_TYPE (@1) to be integral types and either
18550 type having smaller or equal precision, or TREE_TYPE (@1) being
18551 unsigned type, or type being signed type. If TREE_TYPE (@1)
18552 doesn't have wrapping overflow, perform the subtraction of one in
18555 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
18556 Richard Biener <rguether@suse.de>
18559 * ipa-reference.c (ipa_init): Only conditinally initialize
18560 reference_vars_to_consider.
18561 (propagate): Conditionally deninitialize reference_vars_to_consider.
18562 (ipa_reference_write_optimization_summary): Sanity check that
18563 reference_vars_to_consider is not allocated.
18565 2021-02-13 Levy Hsu <admin@levyhsu.com>
18568 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
18569 extend parameter to get_si_mem_base_reg declaration.
18570 (get_si_mem_base_reg): Add extend parameter. Set it.
18571 (analyze): Pass extend arg to get_si_mem_base_reg.
18572 (transform): Likewise. Use it when rewriting mems.
18573 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
18574 loads and emit sign/zero extending load followed by subreg move.
18576 2021-02-13 Jim Wilson <jimw@sifive.com>
18579 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
18580 exit when !reload_completed. Only perform check for compressed reg
18581 if reload_completed.
18582 (riscv_rtx_costs): In MEM case, when optimizing for size and
18583 shorten memrefs, if not compressible, then increase cost.
18585 2021-02-13 Jakub Jelinek <jakub@redhat.com>
18587 PR rtl-optimization/98439
18588 * recog.c (pass_split_before_regstack::gate): Enable even when
18589 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
18592 2021-02-13 Jakub Jelinek <jakub@redhat.com>
18595 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
18596 swap of V2SImode elements in memory into DImode memory rotate by 32.
18598 2021-02-12 Martin Sebor <msebor@redhat.com>
18600 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
18602 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
18604 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
18605 m_temp_obstack rather than m_obstack to allocate the temporary use.
18607 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
18609 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
18610 as read-modify operations.
18612 2021-02-12 Richard Biener <rguenther@suse.de>
18614 PR middle-end/38474
18615 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
18616 fbi->aa_walk_budget is bigger than zero. Update
18617 fbi->aa_walk_budget.
18618 (param_change_prob): Likewise.
18619 * ipa-prop.c (detect_type_change_from_memory_writes):
18620 Properly account walk_aliased_vdefs.
18621 (parm_preserved_before_stmt_p): Canonicalize updates.
18622 (parm_ref_data_preserved_p): Likewise.
18623 (parm_ref_data_pass_through_p): Likewise.
18624 (determine_known_aggregate_parts): Account own alias queries.
18626 2021-02-12 Martin Liska <mliska@suse.cz>
18628 * opts-common.c (decode_cmdline_option): Release werror_arg.
18629 * opts.c (gen_producer_string): Release output of
18630 gen_command_line_string.
18632 2021-02-12 Richard Biener <rguenther@suse.de>
18634 PR tree-optimization/38474
18635 * params.opt (-param=max-store-chains-to-track=): New param.
18636 (-param=max-stores-to-track=): Likewise.
18637 * doc/invoke.texi (max-store-chains-to-track): Document.
18638 (max-stores-to-track): Likewise.
18639 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
18641 (pass_store_merging::m_n_stores): Likewise.
18642 (pass_store_merging::terminate_and_process_chain): Update
18643 m_n_stores and m_n_chains.
18644 (pass_store_merging::process_store): Likewise. Terminate
18645 oldest chains if the number of stores or chains get too large.
18646 (imm_store_chain_info::terminate_and_process_chain): Dump
18649 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
18651 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
18652 the cold section, emit a nop before the directive if the previous
18653 active instruction can throw.
18655 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
18658 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
18659 memory addresses that are legal for quad word accesses.
18661 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
18664 * config/arm/thumb2.md (*doloop_end_internal): Generate
18665 alternative sequence to handle long range branches.
18667 2021-02-11 Joel Hutton <joel.hutton@arm.com>
18669 PR tree-optimization/98772
18670 * optabs-tree.c (supportable_half_widening_operation): New function
18671 to check for supportable V8QI->V8HI widening patterns.
18672 * optabs-tree.h (supportable_half_widening_operation): New function.
18673 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
18674 to create promotion stmts for V8QI->V8HI widening patterns.
18675 (vectorizable_conversion): Add case for V8QI->V8HI.
18677 2021-02-11 Richard Biener <rguenther@suse.de>
18679 * sparseset.h (SPARSESET_ELT_BITS): Remove.
18680 (SPARSESET_ELT_TYPE): Use unsigned int.
18681 * fwprop.c: Do not include sparseset.h.
18683 2021-02-10 Jakub Jelinek <jakub@redhat.com>
18686 * varasm.c (declare_weak): For -fsyntax-only, allow even
18687 TREE_ASM_WRITTEN function decls.
18689 2021-02-10 Jakub Jelinek <jakub@redhat.com>
18692 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
18693 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
18694 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
18695 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
18696 calling simplify_gen_subreg on it.
18698 2021-02-10 Martin Liska <mliska@suse.cz>
18700 * config/nvptx/nvptx.c (nvptx_option_override): Use
18701 flag_patchable_function_entry instead of the removed
18702 function_entry_patch_area_size.
18704 2021-02-10 Martin Liska <mliska@suse.cz>
18706 PR tree-optimization/99002
18707 PR tree-optimization/99026
18708 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
18709 leak when adjacent cases are merged.
18710 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
18712 (make_pass_lower_switch): Remove trailing whitespace.
18713 * tree-switch-conversion.h (release_clusters): New.
18715 2021-02-10 Richard Biener <rguenther@suse.de>
18717 PR rtl-optimization/99054
18718 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
18719 (fixup_partitions): Adjust.
18720 (rtl_verify_edges): Likewise.
18722 2021-02-10 Jakub Jelinek <jakub@redhat.com>
18724 PR middle-end/99007
18725 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
18726 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
18729 2021-02-10 Richard Biener <rguenther@suse.de>
18732 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
18735 2021-02-10 Richard Biener <rguenther@suse.de>
18737 PR tree-optimization/99024
18738 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
18739 clear loop->aux if it is associated with the destroyed loop_vinfo.
18741 2021-02-10 Martin Liska <mliska@suse.cz>
18743 PR tree-optimization/99002
18744 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
18747 2021-02-10 Martin Liska <mliska@suse.cz>
18750 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
18751 a reference exists.
18753 2021-02-10 Jakub Jelinek <jakub@redhat.com>
18756 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
18757 at class scope for DWARF5+.
18759 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
18761 PR rtl-optimization/96015
18762 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
18763 (relax_delay_slots): When deleting a jump to the next active
18764 instruction over a barrier, first delete the barrier if the
18765 jump is the only way to reach the target label.
18767 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
18769 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
18770 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
18771 vector multiplies and vect.alu for SSRA.
18772 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
18773 vect.mul cost field.
18774 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
18775 * config/arm/arm.c: Likewise.
18777 2021-02-09 Richard Biener <rguenther@suse.de>
18779 PR tree-optimization/98863
18780 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
18781 * tree-ssa-sccvn.c (last_pushed_avail): New global.
18782 (rpo_elim::eliminate_push_avail): Chain pushed avails.
18783 (unwind_state::avail_top): Add.
18784 (do_unwind): Rewrite unwinding of avail entries.
18785 (do_rpo_vn): Initialize last_pushed_avail and
18786 avail_top of the undo state.
18788 2021-02-09 Jakub Jelinek <jakub@redhat.com>
18790 PR middle-end/99004
18791 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
18792 const char * to char * and free those pointers after use.
18794 2021-02-09 Richard Biener <rguenther@suse.de>
18796 PR tree-optimization/99017
18797 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
18798 zero vector cost entries.
18800 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
18802 PR middle-end/98974
18803 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
18804 parameter in vectorizable_condition.
18806 2021-02-08 Richard Biener <rguenther@suse.de>
18809 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
18811 2021-02-08 Martin Liska <mliska@suse.cz>
18814 * cfgexpand.c (pass_expand::execute): Parse per-function option
18815 flag_patchable_function_entry and use it.
18816 * common.opt: Remove function_entry_patch_area_size and
18817 function_entry_patch_area_start global variables.
18818 * opts.c (parse_and_check_patch_area): New function.
18819 (common_handle_option): Use it.
18820 * opts.h (parse_and_check_patch_area): New function.
18821 * toplev.c (process_options): Parse and use
18822 function_entry_patch_area_size.
18824 2021-02-08 Martin Sebor <msebor@redhat.com>
18826 * doc/extend.texi (attribute malloc): Correct typos.
18828 2021-02-05 Nathan Sidwell <nathan@acm.org>
18831 * gcc.c (driver::maybe_run_linker): Check for input file
18832 accessibility if not linking.
18834 2021-02-05 Richard Biener <rguenther@suse.de>
18836 PR tree-optimization/98855
18837 * tree-vectorizer.h (add_stmt_cost): New overload.
18838 * tree-vect-slp.c (li_cost_vec_cmp): New.
18839 (vect_bb_slp_scalar_cost): Cost individual loop regions
18840 separately. Account for the scalar instance root stmt.
18842 2021-02-05 Tom de Vries <tdevries@suse.de>
18845 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
18847 (bit_test_cluster::emit): Reuse location_t for newly created
18849 (switch_decision_tree::try_switch_expansion): Preserve
18851 * tree-switch-conversion.h: Change function signatures.
18853 2021-02-05 Jakub Jelinek <jakub@redhat.com>
18856 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
18857 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
18858 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
18859 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
18861 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18863 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
18864 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
18865 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
18866 (vget_high_f16): Reimplement using new builtin.
18867 (vget_high_f32): Likewise.
18868 (vget_high_f64): Likewise.
18869 (vget_high_p8): Likewise.
18870 (vget_high_p16): Likewise.
18871 (vget_high_p64): Likewise.
18872 (vget_high_s8): Likewise.
18873 (vget_high_s16): Likewise.
18874 (vget_high_s32): Likewise.
18875 (vget_high_s64): Likewise.
18876 (vget_high_u8): Likewise.
18877 (vget_high_u16): Likewise.
18878 (vget_high_u32): Likewise.
18879 (vget_high_u64): Likewise.
18881 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18883 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
18884 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
18885 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
18886 (vget_low_f16): Reimplement using new builtin.
18887 (vget_low_f32): Likewise.
18888 (vget_low_f64): Likewise.
18889 (vget_low_p8): Likewise.
18890 (vget_low_p16): Likewise.
18891 (vget_low_p64): Likewise.
18892 (vget_low_s8): Likewise.
18893 (vget_low_s16): Likewise.
18894 (vget_low_s32): Likewise.
18895 (vget_low_s64): Likewise.
18896 (vget_low_u8): Likewise.
18897 (vget_low_u16): Likewise.
18898 (vget_low_u32): Likewise.
18899 (vget_low_u64): Likewise.
18901 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
18903 * gcc.c (print_multilib_info): Check all required argument is provided
18906 2021-02-05 liuhongt <hongtao.liu@intel.com>
18909 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
18910 generate integer mask comparison for 128/256-bits vector when
18911 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
18912 delete redundant !maskcmp condition.
18913 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
18915 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
18916 condition directly to if (maskcmp), add extra check for
18917 cmpmode, it should be MODE_INT.
18918 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
18919 parameters op_true/op_false.
18920 (ix86_use_mask_cmp_p): New.
18922 2021-02-05 liuhongt <hongtao.liu@intel.com>
18925 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
18926 Remove m_GENERIC from ~list.
18927 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
18929 2021-02-04 David Malcolm <dmalcolm@redhat.com>
18932 * diagnostic-show-locus.c (compatible_locations_p): Require
18933 locations in the same macro map to be either both from the
18934 macro definition, or both from the macro arguments.
18936 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
18938 * config/aarch64/aarch64-simd-builtins.def: Add
18939 [su]mull_hi_lane[q] builtin generator macros.
18940 * config/aarch64/aarch64-simd.md
18941 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
18942 (aarch64_<su>mull_hi_lane<mode>): Define.
18943 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
18944 (aarch64_<su>mull_hi_laneq<mode>): Define.
18945 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
18946 builtin instead of inline asm.
18947 (vmull_high_lane_s32): Likewise.
18948 (vmull_high_lane_u16): Likewise.
18949 (vmull_high_lane_u32): Likewise.
18950 (vmull_high_laneq_s16): Likewise.
18951 (vmull_high_laneq_s32): Likewise.
18952 (vmull_high_laneq_u16): Likewise.
18953 (vmull_high_laneq_u32): Liekwise.
18955 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
18957 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
18958 builtin generator macros.
18959 * config/aarch64/aarch64-simd.md
18960 (aarch64_<su>mull_hi_n<mode>_insn): Define.
18961 (aarch64_<su>mull_hi_n<mode>): Define.
18962 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
18963 instead of inline asm.
18964 (vmull_high_n_s32): Likewise.
18965 (vmull_high_n_u16): Likewise.
18966 (vmull_high_n_u32): Likewise.
18968 2021-02-04 Richard Biener <rguenther@suse.de>
18970 PR tree-optimization/98855
18971 * tree-vect-loop.c (vectorizable_phi): Do not cost
18972 single-argument PHIs.
18973 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
18974 * tree-vect-stmts.c (vectorizable_bswap): Also perform
18975 costing for SLP operation.
18977 2021-02-04 Martin Liska <mliska@suse.cz>
18979 * doc/extend.texi: Mention -mprefer-vector-width in target
18982 2021-02-03 Martin Sebor <msebor@redhat.com>
18984 PR tree-optimization/98937
18985 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
18986 Flush pointer_query cache.
18988 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
18990 * config/rs6000/genfusion.pl (gen_2logical): Add missing
18991 fixes based on patch review.
18992 * config/rs6000/fusion.md: Regenerate file.
18994 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
18996 * config/rs6000/t-rs6000: Comment out auto generation of
18999 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
19001 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
19002 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
19003 (output_file_start): Add gfx908.
19004 * config/gcn/gcn.opt (gpu_type): Add gfx908.
19005 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
19006 (MULTILIB_DIRNAMES): Add gfx908.
19007 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
19008 (main): Recognize gfx908.
19009 * config/gcn/t-omp-device: Add gfx908.
19011 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
19013 * config/aarch64/aarch64-simd-builtins.def: Add
19014 [su]mlsl_hi_lane[q] builtin macro generators.
19015 * config/aarch64/aarch64-simd.md
19016 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
19017 (aarch64_<su>mlsl_hi_lane<mode>): Define.
19018 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
19019 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
19020 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
19021 builtin instead of inline asm.
19022 (vmlsl_high_lane_s32): Likewise.
19023 (vmlsl_high_lane_u16): Likewise.
19024 (vmlsl_high_lane_u32): Likewise.
19025 (vmlsl_high_laneq_s16): Likewise.
19026 (vmlsl_high_laneq_s32): Likewise.
19027 (vmlsl_high_laneq_u16): Likewise.
19028 (vmlsl_high_laneq_u32): Likewise.
19029 (vmlal_high_laneq_u32): Likewise.
19031 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
19033 * config/aarch64/aarch64-simd-builtins.def: Add
19034 [su]mlal_hi_lane[q] builtin generator macros.
19035 * config/aarch64/aarch64-simd.md
19036 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
19037 (aarch64_<su>mlal_hi_lane<mode>): Define.
19038 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
19039 (aarch64_<su>mlal_hi_laneq<mode>): Define.
19040 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
19041 builtin instead of inline asm.
19042 (vmlal_high_lane_s32): Likewise.
19043 (vmlal_high_lane_u16): Likewise.
19044 (vmlal_high_lane_u32): Likewise.
19045 (vmlal_high_laneq_s16): Likewise.
19046 (vmlal_high_laneq_s32): Likewise.
19047 (vmlal_high_laneq_u16): Likewise.
19048 (vmlal_high_laneq_u32): Likewise.
19050 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
19052 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
19053 builtin generator macros.
19054 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
19056 (aarch64_<su>mlsl_hi_n<mode>): Define.
19057 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
19058 instead of inline asm.
19059 (vmlsl_high_n_s32): Likewise.
19060 (vmlsl_high_n_u16): Likewise.
19061 (vmlsl_high_n_u32): Likewise.
19063 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
19065 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
19066 builtin generator macros.
19067 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
19069 (aarch64_<su>mlal_hi_n<mode>): Define.
19070 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
19071 instead of inline asm.
19072 (vmlal_high_n_s32): Likewise.
19073 (vmlal_high_n_u16): Likewise.
19074 (vmlal_high_n_u32): Likewise.
19076 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
19078 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
19080 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
19082 (aarch64_<su>mlal_hi<mode>_insn): This.
19083 (aarch64_<su>mlal_hi<mode>): Define.
19084 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
19085 instead of inline asm.
19086 (vmlal_high_s16): Likewise.
19087 (vmlal_high_s32): Likewise.
19088 (vmlal_high_u8): Likewise.
19089 (vmlal_high_u16): Likewise.
19090 (vmlal_high_u32): Likewise.
19092 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
19094 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
19095 after calling alter_subreg() on a (mem).
19097 2021-02-03 Martin Liska <mliska@suse.cz>
19100 * lto-streamer-out.c (produce_lto_section): Fill up missing
19102 * lto-streamer.h (struct lto_section): Add _padding field.
19104 2021-02-03 Richard Biener <rguenther@suse.de>
19106 * lto-streamer.c (lto_get_section_name): Free temporary
19108 * tree-loop-distribution.c
19109 (loop_distribution::merge_dep_scc_partitions): Free edge data.
19111 2021-02-03 Jakub Jelinek <jakub@redhat.com>
19113 PR middle-end/97487
19114 * ifcvt.c (noce_can_force_operand): New function.
19115 (noce_emit_move_insn): Use it.
19116 (noce_try_sign_mask): Likewise. Formatting fix.
19118 2021-02-03 Jakub Jelinek <jakub@redhat.com>
19120 PR middle-end/97971
19121 * lra-constraints.c (process_alt_operands): For inline asm, don't call
19122 fatal_insn, but instead return false.
19124 2021-02-03 Jakub Jelinek <jakub@redhat.com>
19126 PR tree-optimization/98287
19127 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
19130 2021-02-03 Tamar Christina <tamar.christina@arm.com>
19132 PR tree-optimization/98928
19133 * tree-vect-loop.c (vect_analyze_loop_2): Change
19134 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
19135 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
19136 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
19137 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
19139 2021-02-02 Richard Biener <rguenther@suse.de>
19141 * gimple-loop-interchange.cc (prepare_data_references):
19143 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
19144 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
19145 * tree-vect-stmts.c (vectorizable_condition): Do not
19147 (vectorizable_comparison): Likewise.
19149 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19151 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
19152 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
19153 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
19154 (vrsqrteq_u32): Likewise.
19156 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19158 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
19159 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
19160 (aarch64_sqxtun2<mode>_be): Likewise.
19161 (aarch64_sqxtun2<mode>): Likewise.
19162 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
19163 (vqmovun_high_s32): Likewise.
19164 (vqmovun_high_s64): Likewise.
19165 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
19167 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19169 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
19171 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
19173 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19175 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
19176 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
19177 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
19178 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
19179 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
19180 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
19181 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
19182 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
19184 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19186 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
19187 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
19188 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
19190 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19192 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
19193 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
19195 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19197 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
19198 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
19199 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
19200 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
19201 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
19202 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
19203 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
19204 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
19205 NONE builtin flags.
19207 2021-02-02 Jakub Jelinek <jakub@redhat.com>
19209 PR tree-optimization/98848
19210 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
19211 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
19213 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
19216 * expr.c: Check mode before calling store_expr.
19218 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
19220 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
19222 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
19223 instruction using expression ior.
19224 (mve_vornq_u<mode>): New expander.
19225 (mve_vornq_f<mode>): Use ior code instead of unspec.
19226 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
19228 2021-02-02 Alexandre Oliva <oliva@adacore.com>
19230 * tree-nested.c (convert_nonlocal_reference_op): Move
19231 current_function_decl restore after re-gimplification.
19232 (convert_local_reference_op): Likewise.
19234 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19236 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
19238 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
19240 (aarch64_rshrn<mode>_insn_be): Likewise.
19241 (aarch64_rshrn<mode>): Likewise.
19242 (aarch64_rshrn2<mode>_insn_le): Likewise.
19243 (aarch64_rshrn2<mode>_insn_be): Likewise.
19244 (aarch64_rshrn2<mode>): Likewise.
19245 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
19246 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
19248 (vrshrn_high_n_s32): Likewise.
19249 (vrshrn_high_n_s64): Likewise.
19250 (vrshrn_high_n_u16): Likewise.
19251 (vrshrn_high_n_u32): Likewise.
19252 (vrshrn_high_n_u64): Likewise.
19253 (vrshrn_n_s16): Likewise.
19254 (vrshrn_n_s32): Likewise.
19255 (vrshrn_n_s64): Likewise.
19256 (vrshrn_n_u16): Likewise.
19257 (vrshrn_n_u32): Likewise.
19258 (vrshrn_n_u64): Likewise.
19260 2021-02-01 Sergei Trofimovich <siarheit@google.com>
19262 PR tree-optimization/98499
19263 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
19264 conservatively and assume all possible side-effects.
19266 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19268 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
19269 vec_unpacku_hi_): Define builtins.
19270 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
19272 (vmovl_high_s16): Likewise.
19273 (vmovl_high_s32): Likewise.
19274 (vmovl_high_u8): Likewise.
19275 (vmovl_high_u16): Likewise.
19276 (vmovl_high_u32): Likewise.
19278 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19280 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
19282 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
19284 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
19286 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
19288 (vabdl_s16): Likewise.
19289 (vabdl_s32): Likewise.
19290 (vabdl_u8): Likewise.
19291 (vabdl_u16): Likewise.
19292 (vabdl_u32): Likewise.
19293 * config/aarch64/iterators.md (ABDL): New int iterator.
19294 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
19296 2021-02-01 Martin Sebor <msebor@redhat.com>
19298 * tree.h (BLOCK_VARS): Add comment.
19299 (BLOCK_SUBBLOCKS): Same.
19300 (BLOCK_SUPERCONTEXT): Same.
19301 (BLOCK_ABSTRACT_ORIGIN): Same.
19302 (inlined_function_outer_scope_p): Same.
19304 2021-02-01 Martin Sebor <msebor@redhat.com>
19306 PR middle-end/97172
19307 * attribs.c (attr_access::free_lang_data): Define new function.
19308 * attribs.h (attr_access::free_lang_data): Declare new function.
19310 2021-02-01 Richard Biener <rguenther@suse.de>
19312 * vec.h (auto_vec::auto_vec): Add memory stat parameters
19314 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
19316 2021-02-01 Tamar Christina <tamar.christina@arm.com>
19318 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
19319 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
19321 2021-02-01 Richard Biener <rguenther@suse.de>
19323 PR rtl-optimization/98863
19324 * config/i386/i386-features.c (convert_scalars_to_vector):
19325 Set DF_RD_PRUNE_DEAD_DEFS.
19327 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
19329 * system.h (SIZE_MAX): Define if not already defined.
19331 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
19333 * config/rs6000/genfusion.pl (gen_2logical): New function to
19334 generate patterns for logical-logical fusion.
19335 * config/rs6000/fusion.md: Regenerated patterns.
19336 * config/rs6000/rs6000-cpus.def: Add
19337 OPTION_MASK_P10_FUSION_2LOGICAL.
19338 * config/rs6000/rs6000.c (rs6000_option_override_internal):
19339 Enable logical-logical fusion for p10.
19340 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
19342 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
19344 * config/rs6000/rs6000.opt: Add periods to new AIX options.
19346 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
19348 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
19349 (mabi=vec-default): New.
19350 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
19351 __EXTABI__ for AIX Vector extended ABI.
19352 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
19354 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
19356 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
19358 2021-01-30 Jakub Jelinek <jakub@redhat.com>
19360 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
19361 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
19363 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
19366 * lra-constraints.c (in_class_p): Don't narrow class only for REG
19369 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
19371 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
19372 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
19373 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
19375 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
19377 PR tree-optimization/98866
19378 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
19379 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
19380 (gori_map::m_maybe_invariant): Rename from all_outgoing.
19381 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
19382 (gori_map::is_export_p): Ditto.
19383 (gori_map::calculate_gori): Ditto.
19384 (gori_compute::set_range_invariant): New.
19385 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
19386 invariant for pointers evaluating to [1, +INF].
19388 2021-01-29 Richard Biener <rguenther@suse.de>
19390 PR rtl-optimization/98863
19391 * config/i386/i386-features.c (remove_partial_avx_dependency):
19392 Do not perform DF analysis.
19393 (pass_data_remove_partial_avx_dependency): Remove
19396 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
19398 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
19399 builtin generator macros.
19400 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
19402 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
19403 instead of inline asm.
19404 (vmull_n_s32): Likewise.
19405 (vmull_n_u16): Likewise.
19406 (vmull_n_u32): Likewise.
19408 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19410 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
19412 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
19414 (aarch64_<sur>abdl2<mode>): ... This.
19415 (<sur>sadv16qi): Adjust use of above.
19416 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
19418 (vabdl_high_s16): Likewise.
19419 (vabdl_high_s32): Likewise.
19420 (vabdl_high_u8): Likewise.
19421 (vabdl_high_u16): Likewise.
19422 (vabdl_high_u32): Likewise.
19424 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19426 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
19428 (uabal2): Likewise.
19429 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
19431 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
19433 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
19435 (vabal_high_s16): Likewise.
19436 (vabal_high_s32): Likewise.
19437 (vabal_high_u8): Likewise.
19438 (vabal_high_u16): Likewise.
19439 (vabal_high_u32): Likewise.
19440 * config/aarch64/iterators.md (ABAL2): New mode iterator.
19441 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
19443 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19445 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
19448 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
19450 (aarch64_<sur>abal<mode>): ... This
19451 (<sur>sadv16qi): Adust use of the above.
19452 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
19454 (vabal_s16): Likewise.
19455 (vabal_s32): Likewise.
19456 (vabal_u8): Likewise.
19457 (vabal_u16): Likewise.
19458 (vabal_u32): Likewise.
19460 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19462 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
19464 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
19466 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
19468 (vaddlv_s16): Likewise.
19469 (vaddlv_u8): Likewise.
19470 (vaddlv_u16): Likewise.
19471 (vaddlvq_s8): Likewise.
19472 (vaddlvq_s16): Likewise.
19473 (vaddlvq_s32): Likewise.
19474 (vaddlvq_u8): Likewise.
19475 (vaddlvq_u16): Likewise.
19476 (vaddlvq_u32): Likewise.
19477 (vaddlv_s32): Likewise.
19478 (vaddlv_u32): Likewise.
19479 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
19480 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
19481 (Vwstype): New mode attribute.
19483 (VWIDE_S): Likewise.
19484 (USADDLV): New int iterator.
19485 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
19487 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
19489 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
19490 builtin generator macros.
19491 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
19493 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
19494 instead of inline asm.
19495 (vmlsl_lane_s32): Likewise.
19496 (vmlsl_lane_u16): Likewise.
19497 (vmlsl_lane_u32): Likewise.
19498 (vmlsl_laneq_s16): Likewise.
19499 (vmlsl_laneq_s32): Likewise.
19500 (vmlsl_laneq_u16): Likewise.
19501 (vmlsl_laneq_u32): Likewise.
19503 2021-01-29 Richard Biener <rguenther@suse.de>
19505 * doc/invoke.texi (--param max-gcse-memory): Document unit
19507 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
19508 * params.opt (--param max-gcse-memory): Adjust default and
19509 document unit of size.
19511 2021-01-29 Richard Biener <rguenther@suse.de>
19513 PR rtl-optimization/98863
19514 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
19515 HOST_WIDE_INT for the memory estimate.
19517 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
19518 Richard Biener <rguenther@suse.de>
19520 PR tree-optimization/97627
19521 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
19522 Do not analyze fake edges.
19524 2021-01-29 Richard Biener <rguenther@suse.de>
19526 PR rtl-optimization/98144
19527 * df.h (df_mir_bb_info): Add con_visited member.
19528 * df-problems.c (df_mir_alloc): Initialize con_visited,
19529 do not fully populate IN and OUT.
19530 (df_mir_reset): Likewise.
19531 (df_mir_confluence_0): Set con_visited.
19532 (df_mir_confluence_n): Properly handle implicitely
19533 fully populated IN and OUT as designated by con_visited
19534 and update con_visited accordingly.
19536 2021-01-29 Jakub Jelinek <jakub@redhat.com>
19539 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
19540 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
19541 && !TARGET_REALLY_IWMMXT to conditions.
19543 2021-01-29 Jakub Jelinek <jakub@redhat.com>
19546 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
19549 2021-01-28 Marek Polacek <polacek@redhat.com>
19552 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
19553 the main variant, maybe reset it in its variants too.
19554 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
19555 (check_aligned_type): Check if TYPE_USER_ALIGN match.
19557 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
19560 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
19561 of constant zero for comparisons.
19563 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
19565 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
19566 support for mapping built-in function names for long double
19567 built-in functions if long double is IEEE 128-bit.
19569 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
19571 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
19572 builtin generator macros.
19573 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
19575 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
19576 instead of inline asm.
19577 (vmlsl_n_s32): Likewise.
19578 (vmlsl_n_u16): Likewise.
19579 (vmlsl_n_u32): Likewise.
19581 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
19583 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
19584 builtin generator macros.
19585 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
19587 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
19588 instead of inline asm.
19589 (vmlal_n_s32): Likewise.
19590 (vmlal_n_u16): Likewise.
19591 (vmlal_n_u32): Likewise.
19593 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19595 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
19597 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
19599 (aarch64_shrn2<mode>_insn_be): Likewise.
19600 (aarch64_shrn2<mode>): Likewise.
19601 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
19603 (vshrn_high_n_s32): Likewise.
19604 (vshrn_high_n_s64): Likewise.
19605 (vshrn_high_n_u16): Likewise.
19606 (vshrn_high_n_u32): Likewise.
19607 (vshrn_high_n_u64): Likewise.
19609 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19611 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
19613 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
19615 (aarch64_shrn<mode>_insn_be): Likewise.
19616 (aarch64_shrn<mode>): Likewise.
19617 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
19619 (vshrn_n_s32): Likewise.
19620 (vshrn_n_s64): Likewise.
19621 (vshrn_n_u16): Likewise.
19622 (vshrn_n_u32): Likewise.
19623 (vshrn_n_u64): Likewise.
19624 * config/aarch64/iterators.md (vn_mode): New mode attribute.
19626 2021-01-28 Richard Biener <rguenther@suse.de>
19628 PR rtl-optimization/80960
19629 * dse.c (check_mem_read_rtx): Call get_addr on the
19632 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
19633 David Edelsohn <dje.gcc@gmail.com>
19636 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19637 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
19639 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
19641 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
19642 wrapper call rs6000_expand_vector_set_var for cleanup. Call
19643 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
19645 (rs6000_expand_vector_set_var): Delete.
19646 (rs6000_expand_vector_set_var_p9): Make static.
19647 (rs6000_expand_vector_set_var_p8): Make static.
19649 2021-01-28 Xing GUO <higuoxing@gmail.com>
19651 * common/config/riscv/riscv-common.c
19652 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
19653 when `p` extension exists.
19655 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
19657 PR rtl-optimization/97684
19658 * ira.c (ira): Call ira_set_pseudo_classes before
19659 update_equiv_regs when it is necessary.
19661 2021-01-27 Jakub Jelinek <jakub@redhat.com>
19664 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
19665 %w0, %w1 and %2 instead of %0, %1 and %2.
19667 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
19669 * config/rs6000/genfusion.pl: New script to generate
19670 define_insn_and_split patterns so combine can arrange fused
19671 instructions next to each other.
19672 * config/rs6000/fusion.md: New file, generated fused instruction
19673 patterns for combine.
19674 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
19675 (non_update_memory_operand): New predicate.
19676 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
19677 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
19679 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
19681 * config/rs6000/rs6000.c (rs6000_option_override_internal):
19682 Automatically set OPTION_MASK_P10_FUSION and
19683 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
19684 (rs600_opt_masks): Allow -mpower10-fusion
19685 in function attributes.
19686 (address_is_non_pfx_d_or_x): New function.
19687 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
19688 * config/rs6000/rs6000.md: Include fusion.md.
19689 * config/rs6000/rs6000.opt: Add -mpower10-fusion
19690 and -mpower10-fusion-ld-cmpi.
19691 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
19693 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
19695 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
19696 builtin generator macros.
19697 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
19699 (aarch64_<su>mlal<mode>): This.
19700 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
19701 instead of inline asm.
19702 (vmlal_s16): Likewise.
19703 (vmlal_s32): Likewise.
19704 (vmlal_u8): Likewise.
19705 (vmlal_u16): Likewise.
19706 (vmlal_u32): Likewise.
19708 2021-01-27 Richard Biener <rguenther@suse.de>
19710 PR tree-optimization/98854
19711 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
19712 PHIs from scalars when the number of CTORs matches the
19713 number of children.
19715 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
19717 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
19719 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
19721 (aarch64_mls_n<mode>): This.
19722 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
19724 (vmls_n_s32): Likewise.
19725 (vmls_n_u16): Likewise.
19726 (vmls_n_u32): Likewise.
19727 (vmlsq_n_s16): Likewise.
19728 (vmlsq_n_s32): Likewise.
19729 (vmlsq_n_u16): Likewise.
19730 (vmlsq_n_u32): Likewise.
19732 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
19734 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
19736 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
19738 (vmls_s16): Likewise.
19739 (vmls_s32): Likewise.
19740 (vmls_u8): Likewise.
19741 (vmls_u16): Likewise.
19742 (vmls_u32): Likewise.
19743 (vmlsq_s8): Likewise.
19744 (vmlsq_s16): Likewise.
19745 (vmlsq_s32): Likewise.
19746 (vmlsq_u8): Likewise.
19747 (vmlsq_u16): Likewise.
19748 (vmlsq_u32): Likewise.
19750 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
19752 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
19754 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
19756 (aarch64_mla_n<mode>): This.
19757 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
19759 (vmla_n_s32): Likewise.
19760 (vmla_n_u16): Likewise.
19761 (vmla_n_u32): Likewise.
19762 (vmlaq_n_s16): Likewise.
19763 (vmlaq_n_s32): Likewise.
19764 (vmlaq_n_u16): Likewise.
19765 (vmlaq_n_u32): Likewise.
19767 2021-01-27 liuhongt <hongtao.liu@intel.com>
19770 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
19771 (*sse2_eq<mode>3): Ditto.
19773 2021-01-27 Jakub Jelinek <jakub@redhat.com>
19775 * tree-pass.h (PROP_trees): Rename to ...
19776 (PROP_gimple): ... this.
19777 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
19778 * passes.c (execute_function_dump, execute_function_todo,
19779 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
19780 * varpool.c (ctor_for_folding): Likewise.
19782 2021-01-27 Jakub Jelinek <jakub@redhat.com>
19784 PR tree-optimization/97260
19785 * varpool.c: Include tree-pass.h.
19786 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
19787 non-TREE_SIDE_EFFECTS automatic variables.
19789 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
19791 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
19793 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
19794 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
19795 (gen_compile_unit_die): Recognise C++23.
19797 2021-01-26 Jakub Jelinek <jakub@redhat.com>
19800 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
19803 2021-01-26 Jakub Jelinek <jakub@redhat.com>
19806 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
19807 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
19808 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
19810 2021-01-26 Richard Biener <rguenther@suse.de>
19812 * gimple-pretty-print.c (dump_binary_rhs): Handle
19813 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
19815 2021-01-26 Richard Biener <rguenther@suse.de>
19817 PR middle-end/98726
19818 * tree.h (vector_cst_int_elt): Remove.
19819 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
19822 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
19824 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
19825 for V64DFmode min/max reductions.
19827 2021-01-26 Jakub Jelinek <jakub@redhat.com>
19829 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
19830 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
19831 two halves, one with x and the other with const0_rtx, ordered
19832 depending on endianity.
19834 2021-01-26 Alexandre Oliva <oliva@adacore.com>
19836 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
19837 temporaries not seen in binding block, and not about to be
19838 added as gimple variables.
19840 2021-01-25 Martin Sebor <msebor@redhat.com>
19843 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
19845 2021-01-25 Martin Liska <mliska@suse.cz>
19847 * value-prof.c (get_nth_most_common_value): Use %s instead
19850 2021-01-25 Jakub Jelinek <jakub@redhat.com>
19853 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
19854 readelf -wi is able to read the emitted .debug_info back.
19855 * configure: Regenerated.
19857 2021-01-25 Martin Liska <mliska@suse.cz>
19859 PR gcov-profile/98739
19860 * common.opt: Add missing sign symbol.
19861 * value-prof.c (get_nth_most_common_value): Restore handling
19862 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
19863 PROFILE_REPRODUCIBILITY_MULTITHREADED.
19865 2021-01-25 Richard Biener <rguenther@suse.de>
19867 PR middle-end/98807
19868 * tree.c (vector_element_bits): Always use precision of
19869 the element type for boolean vectors.
19871 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
19873 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
19874 (ENDFILE_SPEC): Evaluate qnolinkcmds.
19876 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
19878 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
19879 nostartfiles handling since this is already done by
19880 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
19881 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
19882 is already done by LINK_COMMAND_SPEC.
19883 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
19884 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
19887 2021-01-25 Jakub Jelinek <jakub@redhat.com>
19890 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
19891 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
19892 value rather than host size_t.
19893 (fold_const_call): Change type of s2 from size_t to
19894 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
19895 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
19896 instead of s2 as last argument.
19898 2021-01-25 Tamar Christina <tamar.christina@arm.com>
19900 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
19901 VCMLA_OP, VCMUL_OP): New.
19902 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
19903 * config/arm/neon.md (cmul<conj_op><mode>3): New.
19904 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
19905 UNSPEC_VCMUL_CONJ): New.
19906 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
19907 cml<fcmac1><conj_op><mode>4): New.
19909 2021-01-23 Jakub Jelinek <jakub@redhat.com>
19912 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
19914 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
19916 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
19918 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
19920 (vmla_s16): Likewise.
19921 (vmla_s32): Likewise.
19922 (vmla_u8): Likewise.
19923 (vmla_u16): Likewise.
19924 (vmla_u32): Likewise.
19925 (vmlaq_s8): Likewise.
19926 (vmlaq_s16): Likewise.
19927 (vmlaq_s32): Likewise.
19928 (vmlaq_u8): Likewise.
19929 (vmlaq_u16): Likewise.
19930 (vmlaq_u32): Likewise.
19932 2021-01-22 David Malcolm <dmalcolm@redhat.com>
19934 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
19937 2021-01-22 Jakub Jelinek <jakub@redhat.com>
19940 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
19941 filenames to emit, still emit the required 0 index directory and
19942 filename entries that match DW_AT_comp_dir and DW_AT_name of the
19945 2021-01-22 Marek Polacek <polacek@redhat.com>
19948 * doc/invoke.texi: Update C++ ABI Version 15 description.
19950 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19952 PR tree-optimization/98766
19953 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
19954 comparing against type size with param_avoid_fma_max_bits.
19956 2021-01-22 Richard Biener <rguenther@suse.de>
19958 PR middle-end/98793
19959 * tree.c (vector_element_bits): Key single-bit bool vector on
19960 integer mode rather than not vector mode.
19962 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
19965 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19966 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
19968 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
19969 to call different path for P8 and P9.
19970 (rs6000_expand_vector_set_var_p9): New function.
19971 (rs6000_expand_vector_set_var_p8): New function.
19973 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
19977 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19978 Ajdust variable index vec_insert from address dereference to
19979 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
19980 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
19982 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
19984 2021-01-22 Martin Liska <mliska@suse.cz>
19986 PR gcov-profile/98739
19987 * profile.c (compute_value_histograms): Drop time profile for
19988 -fprofile-reproducible=multithreaded.
19990 2021-01-22 Nathan Sidwell <nathan@acm.org>
19992 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
19995 2021-01-22 Richard Biener <rguenther@suse.de>
19997 PR middle-end/98773
19998 * tree-data-ref.c (initalize_matrix_A): Revert previous
19999 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
20001 2021-01-22 Jakub Jelinek <jakub@redhat.com>
20003 PR tree-optimization/90248
20004 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
20005 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
20007 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
20008 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
20010 2021-01-22 Jakub Jelinek <jakub@redhat.com>
20012 PR tree-optimization/98255
20013 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
20014 extend index - low_bound from sizetype's precision rather than index
20016 (get_addr_base_and_unit_offset_1): Likewise.
20017 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
20018 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
20020 2021-01-22 Richard Biener <rguenther@suse.de>
20022 PR tree-optimization/98786
20023 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
20024 adding new uses of abnormals. Verify we deal with a conditional
20027 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
20030 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
20032 2021-01-22 liuhongt <hongtao.liu@intel.com>
20036 * config/i386/sse.md (VI_128_256): New mode iterator.
20037 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
20038 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
20039 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
20040 define_insn_and_split to lower avx512 vector comparison to avx
20041 version when dest is vector.
20042 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
20043 define_insn_and_split for negating the comparison result.
20044 * config/i386/predicates.md (float_vector_all_ones_operand):
20046 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
20047 general NOT operator without UNSPEC_MASKOP.
20049 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
20051 PR rtl-optimization/98777
20052 * lra-int.h (lra_pmode_pseudo): New extern.
20053 * lra.c (lra_pmode_pseudo): New global.
20055 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
20057 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
20059 * fwprop.c (fwprop_propagation::classify_result): Allow
20060 (subreg (mem)) simplifications.
20062 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20064 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
20066 (aarch64_sqdmlal<mode>): ... This...
20067 (aarch64_sqdmlsl<mode>): ... And this.
20068 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
20069 (aarch64_sqdmlal_lane<mode>): ... This...
20070 (aarch64_sqdmlsl_lane<mode>): ... And this.
20071 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
20072 (aarch64_sqdmlsl_laneq<mode>): ... This...
20073 (aarch64_sqdmlal_laneq<mode>): ... And this.
20074 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
20075 (aarch64_sqdmlsl_n<mode>): ... This...
20076 (aarch64_sqdmlal_n<mode>): ... And this.
20077 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
20078 (aarch64_sqdmlal2<mode>_internal): ... This...
20079 (aarch64_sqdmlsl2<mode>_internal): ... And this.
20081 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
20083 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
20085 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
20088 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
20090 2021-01-21 liuhongt <hongtao.liu@intel.com>
20092 PR rtl-optimization/98694
20093 * regcprop.c (copy_value): If SRC had been assigned a mode
20094 narrower than the copy, we can't link DEST into the chain even
20095 they have same hard_regno_nregs(i.e. HImode/SImode in i386
20098 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20100 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
20101 Convert to define_insn_and_split. Split into simple move when moving
20104 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
20106 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
20107 Adjust comment. Simplify code.
20109 2021-01-20 Jakub Jelinek <jakub@redhat.com>
20112 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
20113 with DW_FORM_line_strp form.
20114 (prune_unused_types_update_strings): Don't add into debug_str_hash
20115 indirect strings with DW_FORM_line_strp form.
20116 (adjust_name_comp_dir): New function.
20117 (dwarf2out_finish): Call it on CU DIEs after resetting
20118 debug_line_str_hash.
20120 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
20122 PR rtl-optimization/98722
20123 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
20124 has no 3-op add insn to transform insns containing two pluses.
20126 2021-01-20 Richard Biener <rguenther@suse.de>
20128 * hwint.h (add_hwi): New function.
20129 (mul_hwi): Likewise.
20130 * tree-data-ref.c (initialize_matrix_A): Properly translate
20131 tree constants and avoid HOST_WIDE_INT_MIN.
20132 (lambda_matrix_row_add): Avoid undefined integer overflow
20133 and return true on such overflow.
20134 (lambda_matrix_right_hermite): Handle overflow from
20135 lambda_matrix_row_add gracefully. Simplify previous fix.
20136 (analyze_subscript_affine_affine): Likewise.
20138 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
20140 PR tree-optimization/96674
20141 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
20142 x >= y && y != XXX_MIN --> x > y - 1
20144 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
20146 PR tree-optimization/98535
20147 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
20148 If the high and low permutes are the same, remove the high permutes
20149 from the working set and only continue with the low ones.
20151 2021-01-20 Jakub Jelinek <jakub@redhat.com>
20153 PR tree-optimization/98721
20154 * builtins.c (access_ref::inform_access): Don't assume
20155 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
20156 object whenever allocfn is NULL, rather than only when DECL_P
20157 is true. Use %qE instead of %qD for that. Formatting fixes.
20159 2021-01-20 Richard Biener <rguenther@suse.de>
20161 PR tree-optimization/98758
20162 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
20163 (lambda_matrix_right_hermite): Avoid undefinedness with
20164 signed integer abs and multiplication.
20165 (analyze_subscript_affine_affine): Use lambda_int.
20167 2021-01-20 David Malcolm <dmalcolm@redhat.com>
20170 * dwarf2out.c (output_line_info): Rename static variable
20171 "generation", moving it out of the function to...
20172 (output_line_info_generation): New.
20173 (init_sections_and_labels): Likewise, renaming the variable to...
20174 (init_sections_and_labels_generation): New.
20175 (dwarf2out_c_finalize): Reset the new variables.
20177 2021-01-19 Martin Sebor <msebor@redhat.com>
20179 PR middle-end/98664
20180 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
20181 all functions, even if they're not declared artificial or inline.
20182 * tree.c (tree_inlined_location): Use macro expansion location
20183 only if scope traversal fails to expose one.
20185 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
20187 PR rtl-optimization/92294
20188 * alias.c (compare_base_symbol_refs): Take an extra parameter
20189 and add the distance between two symbols to it. Enshrine in
20190 comments that -1 means "either 0 or 1, but we can't tell
20191 which at compile time".
20192 (memrefs_conflict_p): Update call accordingly.
20193 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
20196 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20198 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
20199 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
20200 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
20201 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
20202 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
20203 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
20204 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
20205 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
20206 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
20207 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
20208 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
20209 sqmovun): Use NONE flags.
20211 2021-01-19 Richard Biener <rguenther@suse.de>
20214 * ipa-modref.c (analyze_stmt): Only record a summary for a
20217 2021-01-19 Richard Biener <rguenther@suse.de>
20219 PR middle-end/98638
20220 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
20222 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
20224 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
20225 built-in define __FIX_LEON3FT_TN0018.
20227 2021-01-19 Richard Biener <rguenther@suse.de>
20230 * tree-inline.c (tree_function_versioning): Set input_location
20231 to UNKNOWN_LOCATION throughout the function.
20233 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
20236 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
20238 2021-01-19 Martin Jambor <mjambor@suse.cz>
20241 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
20242 whether non-call exceptions allow removal of a statement.
20243 (isra_analyze_call): Pass the appropriate function to
20244 ssa_name_only_returned_p.
20246 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
20248 * config/riscv/arch-canonicalize (longext_sort): New function for
20249 sorting 'multi-letter'.
20250 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
20251 'alts'. The 'arch' may not be the first of 'alts'.
20252 (_expand_combination): Add underline for the 'ext' without '*'.
20253 This is because, a single-letter extension can always be treated well
20254 with a '_' prefix, but it cannot be separated out if it is appended
20257 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
20260 * ira.c (ira): Skip abnormal critical edge splitting.
20262 2021-01-18 Jakub Jelinek <jakub@redhat.com>
20264 PR tree-optimization/98727
20265 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
20266 second .MUL_OVERFLOW operand for signed multiplication with overflow
20267 checking if the second operand of multiplication is not constant.
20269 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
20271 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
20272 defaults to version 4.
20274 2021-01-18 David Malcolm <dmalcolm@redhat.com>
20276 * attribs.h (fndecl_dealloc_argno): New decl.
20277 * builtins.c (call_dealloc_argno): Split out second half of
20279 (fndecl_dealloc_argno): New.
20280 * doc/extend.texi (Common Function Attributes): Document the
20281 interaction between the analyzer and the malloc attribute.
20282 * doc/invoke.texi (Static Analyzer Options): Likewise.
20284 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
20286 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
20287 dwarf_version to 4.
20288 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20290 2021-01-17 Martin Jambor <mjambor@suse.cz>
20293 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
20296 2021-01-17 Mark Wielaard <mark@klomp.org>
20298 * common.opt (gdwarf-): Init(5).
20299 * doc/invoke.texi (-gdwarf): Document default to 5.
20301 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
20303 * builtin-types.def
20304 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
20306 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
20307 ...this. Add extra argument.
20308 * gimplify.c (omp_default_clause): Ensure that event handle is
20309 firstprivate in a task region.
20310 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
20311 (gimplify_adjust_omp_clauses): Likewise.
20312 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
20313 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
20314 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
20315 if detach clause specified. Add detach argument when generating
20317 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
20319 (finish_taskreg_scan): Move field for variable containing the event
20320 handle to the front of the struct.
20321 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
20323 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
20324 OMP_CLAUSE_DETACH clause.
20325 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
20326 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
20327 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
20329 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
20331 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
20333 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
20335 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
20336 multilib directory names. Use MULTILIB_REQUIRED instead of
20337 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
20338 -mcustom-fpu-cfg=fph2 multilib.
20340 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
20342 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
20343 (nios2_init_fpu_configs): Provide register values for new
20344 -mcustom-fpu-cfg=fph2 option variant.
20345 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
20348 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
20350 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
20351 custom instruction warnings.
20353 2021-01-16 Jakub Jelinek <jakub@redhat.com>
20355 PR tree-optimization/96669
20356 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
20358 2021-01-16 Jakub Jelinek <jakub@redhat.com>
20360 PR tree-optimization/96271
20361 * passes.def: Pass false argument to first two pass_cd_dce
20362 instances and true to last instance. Add comment that
20363 last instance rewrites no longer addressed locals.
20364 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
20366 (pass_cd_dce::set_pass_param): New method.
20367 (pass_cd_dce::execute): Return TODO_update_address_taken from
20368 last cd_dce instance.
20370 2021-01-15 Carl Love <cel@us.ibm.com>
20372 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
20374 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
20375 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
20376 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
20377 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
20378 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
20379 Add builtin define.
20380 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
20381 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
20382 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
20383 New overloaded definitions.
20384 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
20385 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
20386 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
20387 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
20388 P10V_BUILTIN_MULHU_V4SI]: Add case
20389 statement for builtins.
20390 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
20391 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
20392 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
20393 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
20394 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
20395 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
20396 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
20397 Add define_insn, mode is VIlong.
20398 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
20399 Add builtin descriptions.
20401 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
20403 * final.c (final_start_function_1): Reset force_source_line.
20405 2021-01-15 Jakub Jelinek <jakub@redhat.com>
20407 PR tree-optimization/96669
20408 * match.pd (((1 << A) & 1) != 0 -> A == 0,
20409 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
20410 possibly different power of two constants and to right shift too.
20412 2021-01-15 Jakub Jelinek <jakub@redhat.com>
20414 PR tree-optimization/96681
20415 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
20416 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
20417 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
20418 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
20420 2021-01-15 Alexandre Oliva <oliva@adacore.com>
20422 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
20424 2021-01-15 Tamar Christina <tamar.christina@arm.com>
20426 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
20427 cmul<conj_op><mode>3): New.
20428 * config/aarch64/iterators.md (UNSPEC_FCMUL,
20429 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
20430 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
20431 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
20432 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
20433 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
20434 (rot_op): Renamed to conj_op.
20435 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
20436 cmul<conj_op><mode>3): New.
20437 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
20438 cmul<conj_op><mode>3): New.
20440 2021-01-15 David Malcolm <dmalcolm@redhat.com>
20444 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
20445 Escape the tempfile name when constructing the expected output.
20447 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20449 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
20451 (aarch64_<su>mlsl_hi<mode>): ... This.
20452 (aarch64_<su>mlsl_hi<mode>): Define.
20453 (*aarch64_<su>mlsl<mode): Rename to...
20454 (aarch64_<su>mlsl<mode): ... This.
20455 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
20456 smlsl_hi, umlsl_hi): Define builtins.
20457 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
20458 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
20459 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
20460 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
20462 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
20464 * config/i386/i386-c.c (ix86_target_macros):
20465 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
20467 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
20470 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
20471 * Makefile.in (RTL_SSA_H): New variable.
20472 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
20473 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
20474 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
20476 * config/aarch64/aarch64-cc-fusion.cc: New file.
20478 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
20480 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
20481 calling cancel_changes for changes that no longer exist.
20483 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
20485 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
20486 (function_info::reg_defs): ...this.
20487 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
20488 (function_info::reg_defs): ...this.
20490 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
20493 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
20495 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
20498 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
20501 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
20503 2021-01-15 Richard Biener <rguenther@suse.de>
20505 PR tree-optimization/96376
20506 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
20507 for VMAT_INVARIANT.
20509 2021-01-15 Martin Liska <mliska@suse.cz>
20511 * doc/install.texi: Document that some tests need pytest module.
20512 * doc/sourcebuild.texi: Likewise.
20514 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
20517 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
20519 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
20521 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
20522 (mve_vshrq_n_u<mode>_imm): Likewise.
20523 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
20524 * config/arm/vec-common.md: ... here.
20526 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
20528 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
20530 * config/arm/neon.md (vashl<mode>3): Delete.
20531 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
20532 (vasl<mode>3): New expander.
20534 2021-01-15 Richard Biener <rguenther@suse.de>
20536 PR tree-optimization/98685
20537 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
20538 of vector extern defs.
20540 2021-01-14 David Malcolm <dmalcolm@redhat.com>
20543 * diagnostic.c (diagnostic_kind_text): Break out this array
20545 (diagnostic_build_prefix): ...here.
20546 (fancy_abort): Detect when diagnostic_initialize has not yet been
20547 called and fall back to a minimal implementation of printing the
20548 ICE, rather than segfaulting in internal_error.
20550 2021-01-14 David Malcolm <dmalcolm@redhat.com>
20552 * diagnostic.c (diagnostic_initialize): Eliminate
20553 parseable_fixits_p in favor of initializing extra_output_kind from
20554 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
20555 (convert_column_unit): New function, split out from...
20556 (diagnostic_converted_column): ...this.
20557 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
20558 Use them to call convert_column_unit on the column values.
20559 (diagnostic_report_diagnostic): Eliminate conditional on
20560 parseable_fixits_p in favor of a switch statement on
20561 extra_output_kind, passing the appropriate values to the new
20562 params of print_parseable_fixits.
20563 (selftest::test_print_parseable_fixits_none): Update for new
20564 params of print_parseable_fixits.
20565 (selftest::test_print_parseable_fixits_insert): Likewise.
20566 (selftest::test_print_parseable_fixits_remove): Likewise.
20567 (selftest::test_print_parseable_fixits_replace): Likewise.
20568 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
20570 (selftest::diagnostic_c_tests): Call it.
20571 * diagnostic.h (enum diagnostics_extra_output_kind): New.
20572 (diagnostic_context::parseable_fixits_p): Delete field in favor
20574 (diagnostic_context::extra_output_kind): ...this new field.
20575 * doc/invoke.texi (Environment Variables): Add
20576 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
20577 * opts.c (common_handle_option): Update handling of
20578 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
20581 2021-01-14 Tamar Christina <tamar.christina@arm.com>
20583 * tree-vect-slp-patterns.c (class complex_operations_pattern,
20584 complex_operations_pattern::matches,
20585 complex_operations_pattern::recognize,
20586 complex_operations_pattern::build): New.
20587 (slp_patterns): Use it.
20589 2021-01-14 Tamar Christina <tamar.christina@arm.com>
20591 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
20592 * optabs.def (cmls_optab, cmls_conj_optab): New.
20593 * doc/md.texi: Document them.
20594 * tree-vect-slp-patterns.c (class complex_fms_pattern,
20595 complex_fms_pattern::matches, complex_fms_pattern::recognize,
20596 complex_fms_pattern::build): New.
20598 2021-01-14 Tamar Christina <tamar.christina@arm.com>
20600 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
20601 * optabs.def (cmla_optab, cmla_conj_optab): New.
20602 * doc/md.texi: Document them.
20603 * tree-vect-slp-patterns.c (vect_match_call_p,
20604 class complex_fma_pattern, vect_slp_reset_pattern,
20605 complex_fma_pattern::matches, complex_fma_pattern::recognize,
20606 complex_fma_pattern::build): New.
20608 2021-01-14 Tamar Christina <tamar.christina@arm.com>
20610 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
20611 * optabs.def (cmul_optab, cmul_conj_optab): New.
20612 * doc/md.texi: Document them.
20613 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
20614 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
20615 vect_build_combine_node, class complex_mul_pattern,
20616 complex_mul_pattern::matches, complex_mul_pattern::recognize,
20617 complex_mul_pattern::build): New.
20619 2021-01-14 Tamar Christina <tamar.christina@arm.com>
20621 * tree-vect-slp.c (optimize_load_redistribution_1): New.
20622 (optimize_load_redistribution, vect_is_slp_load_node): New.
20623 (vect_match_slp_patterns): Use it.
20625 2021-01-14 Tamar Christina <tamar.christina@arm.com>
20627 * tree-vect-slp-patterns.c (complex_add_pattern::build):
20630 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
20632 * config/gcn/mkoffload.c (main): Create an offload image only in
20633 64-bit configurations.
20635 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
20638 * config/i386/i386-options.c (ix86_option_override_internal):
20639 Issue an error for -fcf-protection with CF_BRANCH when compiling
20640 for 32-bit non-TARGET_CMOV targets.
20642 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
20645 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
20646 Remove declaration and initialization of shadow variable "ret".
20647 (ix86_option_override_internal): Remove delcaration of
20648 shadow variable "i". Redeclare shadowed variable to unsigned.
20649 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
20650 * config/i386/i386-builtins.c (get_builtin_code_for_version):
20651 Update for redeclaration.
20652 * config/i386/i386.h (pta_size): Ditto.
20654 2021-01-14 Richard Biener <rguenther@suse.de>
20656 PR tree-optimization/98674
20657 * tree-data-ref.c (base_supports_access_fn_components_p): New.
20658 (initialize_data_dependence_relation): For two bases without
20659 possible access fns resort to type size equality when determining
20660 shape compatibility.
20662 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
20665 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
20666 <=, >= operators in vcle and vcge intrinsics respectively.
20667 * config/arm/arm_neon_builtins.def: Remove entry for
20670 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
20673 * config/i386/i386-options.c (ix86_function_specific_save):
20674 Remove redundant assignment to opts->x_ix86_branch_cost.
20675 * config/i386/i386.c (ix86_prefetch_sse):
20676 Rename from x86_prefetch_sse. Update all uses.
20677 * config/i386/i386.h: Update for rename.
20678 * config/i386/i386-options.h: Ditto.
20680 2021-01-14 Jakub Jelinek <jakub@redhat.com>
20683 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
20684 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
20685 Use Bm instead of m for non-avx. Add isa attribute.
20687 2021-01-14 Jakub Jelinek <jakub@redhat.com>
20689 PR tree-optimization/96688
20690 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
20691 ~X can be simplified.
20693 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
20695 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
20696 IFN_LOAD_LANES results.
20698 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20700 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
20702 (aarch64_xtn<mode>): Likewise.
20703 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
20706 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
20708 (vmovl_s16): Likewise.
20709 (vmovl_s32): Likewise.
20710 (vmovl_u8): Likewise.
20711 (vmovl_u16): Likewise.
20712 (vmovl_u32): Likewise.
20713 (vmovn_s16): Likewise.
20714 (vmovn_s32): Likewise.
20715 (vmovn_s64): Likewise.
20716 (vmovn_u16): Likewise.
20717 (vmovn_u32): Likewise.
20718 (vmovn_u64): Likewise.
20720 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20722 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
20724 (aarch64_<su>qxtn2<mode>_be): Likewise.
20725 (aarch64_<su>qxtn2<mode>): Likewise.
20726 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
20728 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
20729 (su): Handle ss_truncate and us_truncate.
20730 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
20732 (vqmovn_high_s32): Likewise.
20733 (vqmovn_high_s64): Likewise.
20734 (vqmovn_high_u16): Likewise.
20735 (vqmovn_high_u32): Likewise.
20736 (vqmovn_high_u64): Likewise.
20738 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20740 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
20742 (aarch64_xtn2<mode>_be): Likewise.
20743 (aarch64_xtn2<mode>): Likewise.
20744 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
20746 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
20748 (vmovn_high_s32): Likewise.
20749 (vmovn_high_s64): Likewise.
20750 (vmovn_high_u16): Likewise.
20751 (vmovn_high_u32): Likewise.
20752 (vmovn_high_u64): Likewise.
20754 2021-01-13 Stafford Horne <shorne@gmail.com>
20756 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
20758 2021-01-13 Stafford Horne <shorne@gmail.com>
20760 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
20762 2021-01-13 Stafford Horne <shorne@gmail.com>
20764 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
20765 define for __or1k_hard_float__.
20767 2021-01-13 Stafford Horne <shorne@gmail.com>
20769 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
20770 (PROFILE_HOOK): Define to call _mcount.
20771 (FUNCTION_PROFILER): Change from abort to no-op.
20773 2021-01-13 Jakub Jelinek <jakub@redhat.com>
20775 PR tree-optimization/96691
20776 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
20777 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
20778 (~D ^ C) or (D ^ C) can be simplified.
20780 2021-01-13 Richard Biener <rguenther@suse.de>
20782 PR tree-optimization/92645
20783 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
20784 until after vector lowering.
20786 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
20788 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
20790 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
20791 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
20793 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
20795 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
20797 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
20798 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
20800 2021-01-13 Richard Biener <rguenther@suse.de>
20802 PR tree-optimization/92645
20803 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
20804 BIT_FIELD_REF argument.
20805 (vect_build_slp_tree_2): Record the desired vector type
20806 on the external vector def.
20807 (vectorizable_slp_permutation): Handle required punning
20808 of existing vector defs.
20810 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
20812 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
20814 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
20816 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
20818 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
20820 * config.gcc [$target == *-*-gnu*]: Enable
20821 'default_gnu_indirect_function'.
20823 2021-01-13 Jakub Jelinek <jakub@redhat.com>
20826 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
20827 registers before calling targetm.vectorize.vec_perm_const, only after
20829 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
20830 two argument permutation when one operand is zero vector and only
20831 after that force operands into registers.
20832 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
20833 define_insn_and_split pattern.
20834 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
20835 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
20836 (*avx2_zero_extendv8hiv8si2_1): Likewise.
20837 (*avx512f_zero_extendv8siv8di2_1): Likewise.
20838 (*avx2_zero_extendv4siv4di2_1): Likewise.
20839 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
20841 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
20842 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
20843 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
20844 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
20845 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
20846 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
20848 2021-01-13 Martin Liska <mliska@suse.cz>
20850 PR tree-optimization/98455
20851 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
20852 Record also virtual PHIs.
20853 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
20856 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
20858 * doc/invoke.texi (C++ Modules): Fix typos.
20860 2021-01-13 Richard Biener <rguenther@suse.de>
20862 PR tree-optimization/98640
20863 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
20864 handle plus or minus from a truncated operand to be
20867 2021-01-13 Jakub Jelinek <jakub@redhat.com>
20870 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
20871 define_insn_and_split patterns.
20872 (splitter after *btr<mode>_2): New splitter.
20874 2021-01-13 Martin Liska <mliska@suse.cz>
20877 * cgraphunit.c (analyze_functions): Remove dead code.
20879 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
20881 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
20882 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
20883 (a64fx_regmove_cost, a64fx_vector_cost): New.
20884 (a64fx_tunings): Use the new added cost tables.
20886 2021-01-13 Jakub Jelinek <jakub@redhat.com>
20889 * config/i386/predicates.md (pmovzx_parallel): New predicate.
20890 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
20891 define_insn_and_split pattern.
20892 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
20893 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
20895 2021-01-13 Julian Brown <julian@codesourcery.com>
20897 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
20898 to fix v0 register.
20900 2021-01-13 Julian Brown <julian@codesourcery.com>
20902 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
20905 2021-01-13 Julian Brown <julian@codesourcery.com>
20907 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
20908 for reciprocal-approximation instructions.
20909 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
20910 refinement and division result.
20911 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
20913 2021-01-13 Julian Brown <julian@codesourcery.com>
20915 * config/gcn/gcn-valu.md (subdf): Rename to...
20918 2021-01-12 Martin Liska <mliska@suse.cz>
20920 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
20922 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
20924 * function-abi.h: Fix typo.
20926 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
20930 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
20931 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
20932 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
20933 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
20934 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
20935 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
20936 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
20937 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
20938 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
20939 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
20940 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
20941 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
20942 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
20943 (ARM_HAVE_V2DI_LDST): Likewise.
20944 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
20945 (*movmisalign<mode>_mve_load): New pattern.
20946 * config/arm/neon.md (movmisalign<mode>): Move to ...
20947 * config/arm/vec-common.md: ... here.
20949 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
20952 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
20953 of pattern 'plus (plus (hard reg, const), pseudo)'.
20955 2021-01-12 Richard Biener <rguenther@suse.de>
20957 PR tree-optimization/98550
20958 * tree-vect-slp.c (vect_record_max_nunits): Check whether
20959 the group size is a multiple of the vector element count.
20960 (vect_build_slp_tree_1): When we need to fail because
20961 the vector type choosen causes unrolling do so lazily
20962 without affecting matches only at the end to guide group splitting.
20964 2021-01-12 Martin Liska <mliska@suse.cz>
20967 * optc-save-gen.awk: Compare also n_target_save vars with
20970 2021-01-12 Martin Liska <mliska@suse.cz>
20972 * gcov.c (source_info::debug): New.
20973 (print_usage): Add --debug (-D) option.
20974 (process_args): Likewise.
20975 (generate_results): Call src->debug after
20976 accumulate_line_counts.
20977 (read_graph_file): Properly assign id for EXIT_BLOCK.
20978 * profile.c (branch_prob): Dump function body before it is
20981 2021-01-12 Jakub Jelinek <jakub@redhat.com>
20983 PR tree-optimization/98629
20984 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
20985 unless returning non-zero.
20987 2021-01-12 Jakub Jelinek <jakub@redhat.com>
20989 PR tree-optimization/95731
20990 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
20991 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
20992 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
20993 only after optimize_range_tests_var_bound.
20995 2021-01-12 Jakub Jelinek <jakub@redhat.com>
20997 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
20998 * configure: Regenerated.
21000 2021-01-12 liuhongt <hongtao.liu@intel.com>
21003 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
21005 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
21008 2021-01-12 Alexandre Oliva <oliva@adacore.com>
21010 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
21012 (auto_end_imm_use_stmt_traverse): New struct.
21013 (FOR_EACH_IMM_USE_STMT): Use it.
21014 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
21016 * gimple-ssa-strength-reduction.c: ... here, ...
21017 * graphite-scop-detection.c: ... here, ...
21018 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
21019 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
21020 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
21021 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
21022 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
21023 * tree-vect-slp.c: ... and here, ...
21024 * doc/tree-ssa.texi: ... and the example here.
21026 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
21028 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
21029 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
21030 (*sdiv_pow2<mode>3): New pattern.
21031 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
21032 Wrap the ASRD in an UNSPEC_PRED_X.
21033 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
21034 predicate with a constant PTRUE, if it isn't already.
21035 (*cond_<sve_int_op><mode>_z): Replace with...
21036 (*cond_<sve_int_op><mode>_any): ...this new pattern.
21038 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
21040 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
21041 SVE_FULL_I to SVE_I.
21042 (*cond_bic<mode>_any): Likewise.
21044 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
21046 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
21047 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
21050 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
21052 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
21053 SVE_FULL_I to SVE_I.
21054 (*aarch64_cond_<su>abd<mode>_2): Likewise.
21055 (*aarch64_cond_<su>abd<mode>_any): Likewise.
21056 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
21057 for the max and min but not for the minus.
21058 (*aarch64_cond_<su>abd<mode>_3): New pattern.
21060 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
21062 * config/aarch64/iterators.md (SVE_24I): New iterator.
21063 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
21064 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
21066 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
21068 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
21069 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
21071 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
21072 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
21073 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
21074 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
21076 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
21078 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
21079 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
21080 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
21083 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
21085 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
21086 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
21087 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
21089 2021-01-11 Martin Liska <mliska@suse.cz>
21092 * symtab-clones.h (clone_info::release): Release
21093 symtab::m_clones with ggc_delete as it's a GGC memory.
21095 2021-01-11 Matthias Klose <doko@ubuntu.com>
21097 * Makefile.in (LINK_PROGRESS): Show the link target.
21099 2021-01-11 Richard Biener <rguenther@suse.de>
21101 PR tree-optimization/91403
21102 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
21103 single-element interleaving group size at 4096 elements.
21105 2021-01-11 Richard Biener <rguenther@suse.de>
21107 PR tree-optimization/98526
21108 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
21109 of the actual reduction op for the regular case.
21110 (vectorizable_reduction): Cost the stmts
21111 vect_transform_reduction produces here.
21113 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
21115 * tree-ssa-forwprop.c (simplify_vector_constructor): For
21116 big-endian, use UNPACK[_FLOAT]_HI.
21118 2021-01-11 Tamar Christina <tamar.christina@arm.com>
21120 * tree-vect-slp-patterns.c (class complex_pattern,
21121 class complex_add_pattern): Add parameters to matches.
21122 (complex_add_pattern::build): Free memory.
21123 (complex_add_pattern::matches): Move validation end of match.
21124 (complex_add_pattern::recognize): Likewise.
21126 2021-01-11 Tamar Christina <tamar.christina@arm.com>
21128 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
21130 2021-01-11 Tamar Christina <tamar.christina@arm.com>
21132 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
21134 2021-01-11 Jakub Jelinek <jakub@redhat.com>
21136 PR tree-optimization/95867
21137 * tree-ssa-math-opts.h: New header.
21138 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
21139 (powi_as_mults): No longer static. Use build_one_cst instead of
21140 build_real. Formatting fix.
21141 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
21142 (attempt_builtin_powi): Handle multiplication reassociation without
21143 powi_fndecl using powi_as_mults.
21144 (reassociate_bb): For integral types don't require
21145 -funsafe-math-optimizations to call attempt_builtin_powi.
21147 2021-01-11 Jakub Jelinek <jakub@redhat.com>
21149 PR tree-optimization/95852
21150 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
21151 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
21152 allow in the bb any of the stmts in that vector, div_stmt and
21153 up to 3 cast stmts.
21154 (arith_cast_equal_p): New function.
21155 (arith_overflow_check_p): Add cast_stmt argument, handle signed
21156 multiply overflow checks.
21157 (match_arith_overflow): Adjust caller. Handle signed multiply
21160 2021-01-11 Jakub Jelinek <jakub@redhat.com>
21162 PR tree-optimization/95852
21163 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
21164 (uaddsub_overflow_check_p): Renamed to ...
21165 (arith_overflow_check_p): ... this. Handle also multiplication
21166 with overflow check.
21167 (match_uaddsub_overflow): Renamed to ...
21168 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
21169 also multiplication with overflow check. Adjust function comment.
21170 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
21171 match_arith_overflow also for MULT_EXPR.
21173 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21175 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
21176 __builtin_convertvector.
21177 (vmovl_s16): Likewise.
21178 (vmovl_s32): Likewise.
21179 (vmovl_u8): Likewise.
21180 (vmovl_u16): Likewise.
21181 (vmovl_u32): Likewise.
21182 (vmovn_s16): Likewise.
21183 (vmovn_s32): Likewise.
21184 (vmovn_s64): Likewise.
21185 (vmovn_u16): Likewise.
21186 (vmovn_u32): Likewise.
21187 (vmovn_u64): Likewise.
21189 2021-01-11 Martin Liska <mliska@suse.cz>
21191 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
21192 (if_chain::is_beneficial): Delete clusters
21193 (find_conditions): Make second argument of conditions_in_bbs a
21194 pointer so that we control over it's lifetime.
21195 (pass_if_to_switch::execute): Delete them.
21197 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
21199 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
21202 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
21204 * config/vax/vax.md (cc): Remove mode attribute.
21205 (subst_<cc>, subst_f<cc>): Rename to...
21206 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
21207 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
21208 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
21209 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
21211 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
21213 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
21214 `const_double_zero'.
21216 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
21218 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
21219 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
21222 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
21224 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
21226 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
21227 with `const_double_zero'.
21228 * doc/rtl.texi (Constant Expression Types): Document it.
21230 2021-01-09 Jakub Jelinek <jakub@redhat.com>
21233 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
21234 POINTER_DIFF_EXPR to be any integral type.
21236 2021-01-09 Jakub Jelinek <jakub@redhat.com>
21238 PR rtl-optimization/98603
21239 * function.c (instantiate_virtual_regs_in_insn): For asm goto
21240 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
21241 if any, set ASM_OPERANDS mode to VOIDmode and change
21242 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
21244 2021-01-09 Alexandre Oliva <oliva@gnu.org>
21247 * final.c (notice_source_line): Narrow down the condition to
21248 skip a line-0 marker.
21250 2021-01-08 Sergei Trofimovich <siarheit@google.com>
21252 * ipa-modref.c (merge_call_side_effects): Fix
21253 linebreak split by reordering two print calls.
21255 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
21257 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
21258 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
21259 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
21260 consistency, fix constraint.
21262 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
21264 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
21265 callables instead of mask values.
21266 (struct target_flag_set_p): New predicate.
21267 (s390_cpu_cpp_builtins_internal): Define or undefine
21268 __LONG_DOUBLE_VX__ macro.
21270 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
21273 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
21274 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
21277 2021-01-08 Richard Biener <rguenther@suse.de>
21279 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
21281 2021-01-08 Richard Biener <rguenther@suse.de>
21283 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
21284 (vect_build_slp_tree): On cache hit release the matched
21285 scalar stmts vector.
21286 * tree-vect-stmts.c (vectorizable_store): Properly free
21287 vec_oprnds before possibly gathering them again.
21289 2021-01-08 Richard Biener <rguenther@suse.de>
21291 PR tree-optimization/98544
21292 * tree-vect-slp.c (vect_optimize_slp): Always materialize
21293 permutes at a permute node.
21295 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
21298 * config/i386/i386.c (x86_function_profiler): Use R10 to call
21299 mcount in large model. Sorry for large model with PIC.
21301 2021-01-08 Jakub Jelinek <jakub@redhat.com>
21304 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
21305 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
21306 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
21307 TargetSave and initialize for variables with enum types.
21308 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
21309 mstack-protector-guard-symbol=): Add Save.
21310 * config/i386/i386-options.c (ix86_function_specific_save,
21311 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
21312 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
21313 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
21314 x_ix86_veclibabi_type.
21316 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
21318 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
21319 SVE_FULL_I to SVE_I.
21320 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
21322 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
21324 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
21325 SVE_FULL_I to SVE_I.
21326 (*cond_uxt<mode>_any): Likewise.
21328 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21330 * config/aarch64/iterators.md (Vwhalf): New iterator.
21331 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
21333 (aarch64_<sur>adalp<mode>): ... This. Make more
21335 (<sur>sadv16qi): Adjust callsite of the above.
21336 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
21338 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
21340 (vpadal_s16): Likewise.
21341 (vpadal_u8): Likewise.
21342 (vpadal_u16): Likewise.
21343 (vpadalq_s8): Likewise.
21344 (vpadalq_s16): Likewise.
21345 (vpadalq_s32): Likewise.
21346 (vpadalq_u8): Likewise.
21347 (vpadalq_u16): Likewise.
21348 (vpadalq_u32): Likewise.
21350 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21352 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
21354 (aarch64_<su>abd<mode>): ... This.
21355 (<sur>sadv16qi): Adjust callsite of the above.
21356 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
21358 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
21360 (vabd_s16): Likewise.
21361 (vabd_s32): Likewise.
21362 (vabd_u8): Likewise.
21363 (vabd_u16): Likewise.
21364 (vabd_u32): Likewise.
21365 (vabdq_s8): Likewise.
21366 (vabdq_s16): Likewise.
21367 (vabdq_s32): Likewise.
21368 (vabdq_u8): Likewise.
21369 (vabdq_u16): Likewise.
21370 (vabdq_u32): Likewise.
21372 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21374 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
21376 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
21377 (vaba_s16): Likewise.
21378 (vaba_s32): Likewise.
21379 (vaba_u8): Likewise.
21380 (vaba_u16): Likewise.
21381 (vaba_u32): Likewise.
21382 (vabaq_s8): Likewise.
21383 (vabaq_s16): Likewise.
21384 (vabaq_s32): Likewise.
21385 (vabaq_u8): Likewise.
21386 (vabaq_u16): Likewise.
21387 (vabaq_u32): Likewise.
21389 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21391 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
21392 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
21393 Change RTL pattern to match.
21395 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
21397 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
21398 * config/riscv/riscv-c.c (riscv-subset.h): New.
21399 (INCLUDE_STRING): Define.
21400 (riscv_cpu_cpp_builtins): Add new style architecture extension
21402 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
21403 (riscv_subset_list::end): New.
21404 (riscv_current_subset_list): New.
21406 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
21408 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
21409 Move to riscv-subset.h.
21410 (struct riscv_subset_t): Ditto.
21411 (class riscv_subset_list): Ditto.
21412 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
21413 from riscv-common.c.
21414 (struct riscv_subset_t): Ditto.
21415 (class riscv_subset_list): Ditto.
21416 * config/riscv/t-riscv ($(common_out_file)): Add file
21419 2021-01-07 Jakub Jelinek <jakub@redhat.com>
21422 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
21423 New define_insn patterns.
21425 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
21427 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
21428 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
21429 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
21431 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
21433 PR tree-optimization/98560
21434 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
21435 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
21437 (vec_cond_direct): Likewise argument 2.
21438 (vec_condu_direct, vec_condeq_direct): Delete.
21439 (expand_vect_cond_optab_fn): Rename to...
21440 (expand_vec_cond_optab_fn): ...this, replacing old macro.
21441 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
21442 (expand_vect_cond_mask_optab_fn): Rename to...
21443 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
21444 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
21446 (direct_vec_cond_optab_supported_p): Likewise.
21447 (direct_vec_condu_optab_supported_p): Delete.
21448 (direct_vec_condeq_optab_supported_p): Delete.
21449 * gimple-isel.cc: Include internal-fn.h.
21450 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
21453 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
21455 PR tree-optimization/98560
21456 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
21457 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
21459 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
21461 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
21462 rotate_insn and optab code attributes.
21463 Update all uses to merged code attribute.
21464 * config/i386/sse.md: Update all uses to merged code attribute.
21465 * config/i386/mmx.md: Update all uses to merged code attribute.
21467 2021-01-07 Jakub Jelinek <jakub@redhat.com>
21469 PR tree-optimization/98568
21470 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
21471 (bswap_replace): Use it.
21473 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
21475 PR rtl-optimization/97978
21476 * lra-int.h (lra_hard_reg_split_p): New external.
21477 * lra.c (lra_hard_reg_split_p): New global.
21478 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
21479 * lra-assigns.c (lra_assign): Don't check allocation correctness
21480 after hard reg splitting.
21482 2021-01-06 Martin Sebor <msebor@redhat.com>
21485 * builtins.c (new_delete_mismatch_p): New overload.
21486 (new_delete_mismatch_p (tree, tree)): Call it.
21488 2021-01-06 Alexandre Oliva <oliva@adacore.com>
21490 * Makefile.in (T_GLIMITS_H): New.
21491 (stmp-int-hdrs): Depend on it, use it.
21492 * config/t-vxworks (T_GLIMITS_H): Override it.
21493 (vxw-glimits.h): New.
21495 2021-01-06 Richard Biener <rguenther@suse.de>
21497 PR tree-optimization/98513
21498 * value-range.cc (intersect_ranges): Compare the upper bounds
21499 for the expected relation.
21501 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
21504 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
21506 * doc/standards.texi (HSAIL): Remove section.
21508 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
21510 * configure: Re-generate.
21512 2021-01-05 Jakub Jelinek <jakub@redhat.com>
21514 * doc/invoke.texi (-std=c++20): Adjust for the publication of
21515 ISO 14882:2020 standard.
21516 * doc/standards.texi: Likewise.
21518 2021-01-05 Jakub Jelinek <jakub@redhat.com>
21520 PR tree-optimization/94802
21521 * expr.h (maybe_optimize_sub_cmp_0): Declare.
21522 * expr.c: Include tree-pretty-print.h and flags.h.
21523 (maybe_optimize_sub_cmp_0): New function.
21524 (do_store_flag): Use it.
21525 * cfgexpand.c (expand_gimple_cond): Likewise.
21527 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
21529 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
21530 * rtlanal.c (simple_regno_set): Tweak description to clarify the
21533 2021-01-05 Richard Biener <rguenther@suse.de>
21535 PR tree-optimization/98516
21536 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
21537 lanes when materializing on a VEC_PERM node.
21538 (vectorizable_slp_permutation): Dump the permute properly.
21540 2021-01-05 Richard Biener <rguenther@suse.de>
21542 * tree-vect-slp.c (vect_slp_region): Move debug counter
21543 to cover individual subgraphs.
21545 2021-01-05 Richard Biener <rguenther@suse.de>
21547 PR tree-optimization/98428
21548 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
21549 vector lane extracts for loop vectorization.
21551 2021-01-05 Jakub Jelinek <jakub@redhat.com>
21553 PR tree-optimization/98514
21554 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
21556 (operand_rank): Change type from hash_map<tree, long> to
21557 hash_map<tree, int64_t>.
21558 (phi_rank): Change return type from long to int64_t.
21559 (loop_carried_phi): Change block_rank variable type from long to
21561 (propagate_rank): Change return type, rank parameter type and
21562 op_rank variable type from long to int64_t.
21563 (find_operand_rank): Change return type from long to int64_t
21564 and change slot variable type from long * to int64_t *.
21565 (insert_operand_rank): Change rank parameter type from long to
21567 (get_rank): Change return type and rank variable type from long to
21568 int64_t. Use PRId64 instead of ld to print the rank.
21569 (init_reassoc): Change rank variable type from long to int64_t
21570 and adjust correspondingly bb_rank and operand_rank initialization.
21572 2021-01-05 Jakub Jelinek <jakub@redhat.com>
21574 PR tree-optimization/96928
21575 * tree-ssa-phiopt.c (xor_replacement): New function.
21576 (tree_ssa_phiopt_worker): Call it.
21578 2021-01-05 Jakub Jelinek <jakub@redhat.com>
21580 PR tree-optimization/96930
21581 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
21582 from narrower value which has the same type as 1 << B, perform
21583 the right shift on the narrower value followed by extension.
21585 2021-01-05 Jakub Jelinek <jakub@redhat.com>
21587 PR tree-optimization/96239
21588 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
21590 (get_status_for_store_merging): Don't return BB_INVALID for blocks
21591 with potential bswap optimizable CONSTRUCTORs.
21592 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
21595 2021-01-05 Richard Biener <rguenther@suse.de>
21597 PR tree-optimization/98381
21598 * tree.c (vector_element_bits): Properly compute bool vector
21600 * tree-vect-loop.c (vectorizable_live_operation): Properly
21601 compute the last lane bit offset.
21603 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
21606 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
21607 Clear the top 64 bytes of the input XMM register.
21608 (sse_cvttps2pi): Ditto.
21610 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
21613 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
21615 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
21618 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
21621 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
21623 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
21624 (umaddsidi4_split): Likewise.
21626 2021-01-05 liuhongt <hongtao.liu@intel.com>
21629 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
21630 define_insn_and_split for zero_extend of subreg HI of pmovskb
21632 (*sse2_pmovskb_zexthisi): Add new combine splitters for
21633 zero_extend of not of subreg HI of pmovskb result.
21635 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
21638 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
21640 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
21641 convert_memory_address to convert symbolic immediates to ptr_mode
21642 before forcing them to memory.
21644 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
21646 PR rtl-optimization/97144
21647 * recog.c (constrain_operands): Initialize matching_operand
21648 for each alternative, rather than only doing it once.
21650 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
21652 PR rtl-optimization/98403
21653 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
21654 why we don't remove call clobbers.
21655 (function_info::apply_changes_to_insn): Don't attempt to add
21656 call clobbers here.
21658 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
21660 PR tree-optimization/98371
21661 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
21662 (vect_analyze_loop): If an epilogue loop appears to be cheaper
21663 than the main loop, re-analyze it as a main loop before adopting
21666 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
21669 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
21670 * aclocal.m4, configure: Regenerate.
21671 * Makefile.in (NETLIBS): Define.
21672 (BACKEND): Remove $(CODYLIB).
21674 2021-01-05 Jakub Jelinek <jakub@redhat.com>
21676 PR rtl-optimization/98334
21677 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
21678 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
21680 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
21682 * tree-inline.c (expand_call_inline): Restore input_location.
21683 Return result from recursive call.
21685 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
21687 PR tree-optimization/95401
21688 * config/aarch64/aarch64-sve-builtins.cc
21689 (gimple_folder::load_store_cookie): Use bits rather than bytes
21690 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
21691 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
21692 * tree-vect-stmts.c (vectorizable_store): Likewise.
21693 (vectorizable_load): Likewise.
21695 2021-01-04 Richard Biener <rguenther@suse.de>
21697 PR tree-optimization/98308
21698 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
21701 2021-01-04 Jakub Jelinek <jakub@redhat.com>
21703 PR tree-optimization/95771
21704 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
21705 with precision smaller than int's precision and types with precision
21706 twice as large as long long. Formatting fixes.
21708 2021-01-04 Richard Biener <rguenther@suse.de>
21710 PR tree-optimization/98464
21711 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
21712 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
21713 (process_bb): Adjust.
21715 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
21718 * doc/invoke.texi (-fsanitize=address): Fix wording describing
21719 clash with -fsanitize=hwaddress.
21721 2021-01-04 Richard Biener <rguenther@suse.de>
21723 PR tree-optimization/98282
21724 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
21725 invariants as VN_NARY.
21727 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
21730 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
21731 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
21732 to handle zero operands.
21734 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
21736 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
21737 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
21738 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
21741 2021-01-04 Richard Biener <rguenther@suse.de>
21743 PR tree-optimization/98393
21744 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
21745 when hitting the limit.
21747 2021-01-04 Richard Biener <rguenther@suse.de>
21749 PR tree-optimization/98291
21750 * tree-vect-loop.c (vectorizable_reduction): Bypass
21751 associativity check for SLP reductions with VF 1.
21753 2021-01-04 Jakub Jelinek <jakub@redhat.com>
21755 PR tree-optimization/96782
21756 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
21758 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
21760 * collect-utils.c (collect_execute): Check dumppfx.
21761 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
21762 to collect_execute.
21763 (do_link): Add new parameter atsuffix.
21764 (main): Handle -dumpdir option. Skip one argument for
21765 -o, -isystem and -B options.
21766 * gcc.c (make_at_file): New helper function.
21767 (close_at_file): Use it.
21769 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
21771 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
21772 Amend handling for LD64_VERSION fallback defaults.
21774 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
21776 * config.gcc: Compute default version information
21777 from the configured target. Likewise defaults for
21779 * config/darwin10.h: Removed.
21780 * config/darwin12.h: Removed.
21781 * config/darwin9.h: Removed.
21782 * config/rs6000/darwin8.h: Removed.
21784 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
21786 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
21788 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
21790 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
21791 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
21793 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
21795 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
21797 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
21799 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
21801 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
21802 for the Darwin10 unwinder stub from here ...
21803 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
21805 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
21807 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
21808 (ASM_DEBUG_SPEC):Only define if the assembler supports
21810 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
21811 (DARWIN_PREFER_DWARF): Define.
21812 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
21813 (DARWIN_PREFER_DWARF): Likewise
21814 (DSYMUTIL_SPEC): Likewise.
21815 (COLLECT_RUN_DSYMUTIL): Likewise.
21816 (ASM_DEBUG_SPEC): Likewise.
21817 (ASM_DEBUG_OPTION_SPEC): Likewise.
21819 2021-01-02 Jan Hubicka <jh@suse.cz>
21821 * cfg.c (free_block): ggc_free bb.
21823 2021-01-01 Jakub Jelinek <jakub@redhat.com>
21825 * gcc.c (process_command): Update copyright notice dates.
21826 * gcov-dump.c (print_version): Ditto.
21827 * gcov.c (print_version): Ditto.
21828 * gcov-tool.c (print_version): Ditto.
21829 * gengtype.c (create_file): Ditto.
21830 * doc/cpp.texi: Bump @copying's copyright year.
21831 * doc/cppinternals.texi: Ditto.
21832 * doc/gcc.texi: Ditto.
21833 * doc/gccint.texi: Ditto.
21834 * doc/gcov.texi: Ditto.
21835 * doc/install.texi: Ditto.
21836 * doc/invoke.texi: Ditto.
21838 2021-01-01 Jakub Jelinek <jakub@redhat.com>
21840 * ChangeLog-2020: Rotate ChangeLog. New file.
21843 Copyright (C) 2021 Free Software Foundation, Inc.
21845 Copying and distribution of this file, with or without modification,
21846 are permitted in any medium without royalty provided the copyright
21847 notice and this notice are preserved.